Self-balancing device of drum-type washing machines
FIELD: machine building.
SUBSTANCE: SBD is a device combined with a washer drum installed coaxially inside a boiler, able of rotation around a horizontal axis and consisting of the outer and inner cylindrical tanks of the drum. The torque of the outer cylindrical drum tank is transferred from the motor via a drive shaft, and that of the inner cylindrical tank - via a hinge, thus providing for the synchronous rotation of the outer and inner cylindrical drum tanks, as well as for the transverse movement of the inner cylindrical drum tank, perforation zones of the outer and inner cylindrical drum tanks are matched and set opposite each other, a tight elastic tank filled with a working liquid without hollow spaces is located between the side walls of the outer and inner cylindrical drum tanks in a stationary way without gaps, except for the perforation zones.
EFFECT: availability of the tight elastic tank provides for the easier disassembly and repair of the washing machine, preventing the transmission of vibrations from the drum to the main casing.
The invention relates to devices for reducing the vibration level of washing machine drum type.
One of the main directions of improving the washing machine of drum type is lowering their vibration activity at a centrifugal spinning of textile products.
The most effective event of decrease of the amplitudes of the oscillations in the spin cycle is the use of autobalancing devices (ABU).
In recent years, increasing attention is removed using washing machines liquid ABU passive type, as one of the most simple in design and efficient in operation.
One of the best known of such devices are liquid ABOU that represent the washing drum with double side walls, the inner space between which is limited to a sealed elastic elements and filled with a working fluid [A. S. 1581795 the USSR IPC5D06F 37/00. Machine for washing and wringing the linen [Text] / V. I. Malykhin, S. N. Alekhine (USSR). - No. 4442163; Appl. 15.06.1988; publ. 30.07.1990, bull. No. 28. - 12 p.], [Patent 2469138. Russian Federation, C1, D06F 39/00 (2006.01). Washing machine drum-type [Text]. Alekhin S. N., Petrosov P. S., S. A., Kuznetsov, A. E.; applicant and patentee of the Federal state budgetary educational institution of higher professional education "South-Russian�Ille state University of Economics and service" (fsbei HPE "yurgues") 2011128109/12; publ. 10.12.2012, bull. No. 34. - 3 p.: ill.].
However, the known design ABU this group, despite obvious advantages, not found up to the present time widespread use in washing machines. This is caused not only by the nearly absence of reasonable scientific methods of calculation of parameters such ABU, but, to a greater extent relative complexity of Assembly devices and some uncomfortable procedure for their maintenance during the operation.
A known design of a machine for washing and spinning of linen with ABU liquid type passive actions [Malykhin V. I., Alekhin S. N. Machine for washing and wringing the linen. AC USSR 1581795, Moscow technological Institute. 30.07.90. Bul. No. 28]. With the aim of improving vibration resistance of the machine is provided with an additional drum mounted on the shaft between the tank and washing the reel with extra reel is associated with a washing drum on the lateral surface by means of elastic elements, each of which covers the elastic channel and the cavity between washing and additional drums filled with a working fluid. The rotation of the washing drum is transmitted from the drive shaft using a four-bar hinge, providing simultaneous angular rotation of the washing and additional drums.
The disadvantages of this design ABU washing �the injection molding machine are the complexity of the Assembly autobalancing device and inconvenient procedure of maintenance during operation.
ABU this structure, the washing machine is taken as a prototype.
The object of this invention is the reduction of dynamic loads in the washing machines of the drum type in the period of a centrifugal wringer products, simplifying installation and improving the manufacturability of the Assembly ABU, ensuring the necessary conditions maintenance during operation of the washing machine.
The problem is solved as follows. Design ABU constituting the device, combined with a washing drum mounted coaxially inside the tank for rotation around a horizontal axis and comprising inner and outer cylindrical containers of the drum, a torque of the outer cylindrical container drum is transmitted from the engine through the drive shaft and the inner cylindrical container through the hinge, which ensures synchronous rotation of the outer and inner cylindrical containers of the drum, as well as lateral movement of the inner cylindrical container drum, is characterized in that the perforations of the inner and outer cylindrical containers of combined drum and are located opposite each other, and between the side walls of the inner and outer cylindrical containers of the drum, in addition to perforation zones is still sealed with no gaps ELAS�ary capacity, filled without voids working fluid.
The essence of the invention is illustrated by the diagram in Fig.1, which shows the device of the drum with ABU.
The proposed design ABU is a device that is combined with the washing drum is mounted coaxially inside the tank with the possibility of rotation around the horizontal axis and consisting of an inner 1 and outer 2 cylindrical containers of the drum. Torque outer cylindrical container drum 2 is transferred from the engine via the drive shaft 3 and the inner cylindrical container drum 1 through a hinge 4, which ensures synchronous rotation of the outer 2 and 1 internal cylindrical containers of the drum, as well as lateral movement of the inner cylindrical container drum 1. Of the perforations 5 of the inner 1 and outer 2 cylindrical tanks of combined drum and are located opposite each other. Between the side walls of the inner 1 and outer 2 cylindrical containers of the drum, in addition to perforation zones 5, is fixed with no gaps sealed flexible container 6 filled without voids working fluid 7.
The device operates as follows.
The drum is laid textiles to be processed. After switching on the machine, the supply of the cleaning solution into the tank. Through the perforations in zones of the cleaning solution enters the inner cylindrical drum capacity 1 to the workpiece and wets them. The drum together with the inner and outer containers is driven in rotation by the engine through the shaft 3 and a hinge 4. After the process of washing produces centrifugal extraction of the products by increasing the rotational speed of the drum to a value conducive to intensive removal of moisture from products. Thus in the period of acceleration of the drum causes the distribution of products on its inner sidewall of the cylindrical container of the drum 1. As is almost always the distribution of the products is uneven, then this leads to the formation of unbalanced mass, which is the source of considerable centrifugal forces acting from the side of the unbalanced parts of articles on the inner sidewall of the cylindrical container of the drum 1. This leads to misalignment of the inner cylindrical container drum 1 in a transverse plane and, as a consequence, the compression part of the sealed flexible container 6 in the direction coinciding with the direction of centrifugal force, and the displacement of the working fluid 7 from this area sealed flexible container 6 in that area, which increases in volume due to the displacement of the inner cylindrical container drum 1. As a result, a large portion of the working fluid 7 is concentrated in the area located opposite to the location naravno�esenich mass of the products in the drum, thus balance them. As a consequence, the drum is practically not exposed to dynamic loads during the spin cycle.
The use of the elastic system sealed elastic container (made of, for example, in the form of a rubber sheath), performing the role of adaptive balancing device, allows to simplify the procedure of its installation when assembling the washing drum, and a maintenance process of the washing machine. This preserves the function of an effective protection against high dynamic effects that occur during the period of the centrifugal spinning of textile products.
Thus, the proposed design liquid ABU passive action provides effective reduction of vibration activity of a washing machine during the spin cycle, has a more simple constructive solution in comparison with the prototype is characterized by workability during Assembly and provides the necessary conditions maintenance during operation of the washing machine.
The use of the proposed design in ABU washing machines drum type allows to reduce their cost in comparison with the prototype, to increase the reliability and durability, to reduce expenses for repair and maintenance, reduce the consumption of electricity by reducing the dynamic load�in bearing to support the drive shaft of the machine.
SOURCES of INFORMATION
1. A. S. 1581795 the USSR, IPC5D06F 37/00. Machine for washing and wringing the linen [Text] / V. I. Malykhin, S. N. Alekhine (USSR). - No. 4442163; Appl. 15.06.1988; publ. 30.07.1990, bull. No. 28. - 12 p.
2. Patent 2469138 Russian Federation, C1 D06F 39/00 (2006.01). Washing machine drum-type [Text], Alyokhin S. N., Petrosov P. S., S. A. S., Kuznetsov, A. E.; applicant and patentee of the Federal state budgetary educational institution of higher professional education "South-Russian state University of Economics and service" (fsbei HPE "yurgues") 2011128109/12; publ. 10.12.2012, bull. No. 34. - 3 p.: ill.
3. Vibration in engineering: Handbook. In 6 T. T. 6. Protection against vibration and shock. - M.: Mashinostroenie, 1981. 456 p., ill.
Autobalancing device washing machine drum type, the design of which is a device that is combined with the washing drum is mounted coaxially inside the tank for rotation around a horizontal axis and comprising inner and outer cylindrical containers of the drum, a torque of the outer cylindrical container drum is transmitted from the engine through the drive shaft and the inner cylindrical container through the hinge, which ensures synchronous rotation of the outer and inner cylindrical containers of the drum and the transverse AC�shift of the inner cylindrical container drum, characterized in that the perforations of the inner and outer cylindrical containers of combined drum and are located opposite each other and between the side walls of the inner and outer cylindrical containers of the drum, in addition to perforation zones, is fixed with no gaps sealed elastic container filled without voids working fluid.
FIELD: textiles, paper.
SUBSTANCE: washing machine comprises a washing tank (1), a feeding pipeline (2) for feeding water taken from the water-supply network, and a device (3) for preventing the back flow, made with the ability to close the water flow channel, at that the device (3) for prevention of the back flow is connected to at least one outer wall of the tank (1).
EFFECT: increased efficiency.
19 cl, 6 dwg
FIELD: textile, paper.
SUBSTANCE: along the perimetre of the outer surface of the linen tank near edges of holes at the angle there are protruding blades arranged. The design of the washing machine is realised in methods of linen washing and drying. In process of washing the drum blades capture the washing solution from the tank, mix it with air and move around the linen tank, creating a continuous flow of moving mass. Blades of hole edges capture portions from the moving mass and send their movement into the linen tank and secondarily mixing with air, creating an air and water emulsion sent to linen under pressure. In process of linen drying the blades of the hole edges capture portions from the moving air mass and send them into the linen tank and to linen along the entire perimetre. Inside the linen tank air swirling is produced, which provides for creation of a moisture evaporation medium and combination with air, and further intense airing from the linen tank under pressure via a drain nozzle. Air into the tank and the drum with blades arrives from atmosphere, via an inlet nozzle, arranged in the upper part of the tank.
EFFECT: methods of washing and drying exclude vibration of a machine, linen does not twist, press, fold, linen wear reduces.
3 cl, 3 dwg
SUBSTANCE: turbidity sensor has a light source (210) for emitting light. The emitted light has a variable radiant intensity. The sensor further comprises a light-sensitive element (220) for receiving light emitted from the light source (210). The light source (211) and the light-sensitive element (220) are positioned relative to each other so that, when the light source (210) is in operation, light emitted from the light source (210) can propagate through a washing liquid contained in the washing machine (400) on its way to the light sensitive element (220). The light-sensitive element (220) is configured to measure the intensity of light received by the light-sensitive element (221). Furthermore, the sensor has a controller (230) which is communicatively connected to the light source (210) and the light-sensitive element (220). The controller (230) is configured to adjust the intensity of light emitted by the light source (210) depending on the measured intensity of light received by the light-sensitive element (220). A computer data storage medium contains program instructions which, when executed by a device with computational capabilities, realises the method of measuring liquid turbidity described above.
EFFECT: high accuracy of measurement and wider operating range of the sensor.
15 cl, 6 dwg
FIELD: personal use articles.
SUBSTANCE: washing machine comprises a plastic tank (1), a cylindrical drum (3) with an axially protruding shaft (31) in the center, driven by an electric motor, the engaged with the tank pipe (11) bearing support (500) which is fully molded with deep drawing from of flat sheet metal (LP). The bearing support (500) comprises a first (500a) and a second (500b) edge parts with the corresponding housings (501, 502) for two ball bearings (4, 40) with different diameters and with the structure of their peripheral stoppers (500d and 500e) inside the housings ( 501 and 502) and comprises a peripheral flange (600) on the rib of the first edge part (500a) for engaging the support (500) with the pipe (11) of the tank. The first edge part (500a) of the support (500) is located higher than the second edge part (500b) so that the first ball bearing (4) is located in the housing (501) of the first edge part (500a), and the second ball bearing (40) is located in the housing (502) of the second edge part (500b). The support (500) is inserted into the plastic material of the pipe (11) of the tank, and the peripheral flange (600) of the support is folded back and is provided with an outer toothed rib (601) for attaching to the plastic structure of the pipe (11).
EFFECT: design improvement.
1 cl, 9 dwg
FIELD: personal use articles.
SUBSTANCE: invention relates to a household appliance to for textile products, in particular, to the dryer or the washing machine. The household appliance comprises a means for generating steam for treatment of textile products with water vapor, preferably hot or overheated, and there is a means of water supply to the means for generating steam. The means of water supply is intended for connection to an external source of water, in particular, to the water-distribution system. The means of water supply comprises the means for softening water for supply the means for generating steam with water of given and/or reduced and/or low hardness. The means of softening water comprises a filter element installed inside the household appliance with the ability of access from outside to replace the filter element, preferably via the control panel, or via the front cover or through the area of the front door, or through the receiving window of the tank for collecting condensate, or through the side cover of the household appliance, or the means of softening water containing the filter element is located outside of the household appliance and is hydraulically connected to the pipe that connects the means of water supply to the external source of water and/or the connecting part, preferably by fitting located in the household appliance to provide connection of the means of water supply to the external source of water.
EFFECT: simultaneous filtering and softening of water is provided for ensuring durability of means for generating steam and ease of use of the means of softening water.
23 cl, 2 dwg
FIELD: personal use articles.
SUBSTANCE: invention relates to a method of determining the level (L, L1, L2) of the washing fluid in the washing machine (10), in particular, household washing machine or a dishwasher, which comprises a tank (11), in which a drum (12) is located to accommodate a certain amount of laundry in it, connected to the tank (11) analog pressure relay (15) for determining pressure of the washing fluid in the said tank (11) and, therefore, the level (L, L1, L2) of the washing fluid in it and means of control and regulation of the washing machine (10). According to the invention, the analog pressure relay (15) is subjected to calibration process, and the said calibration process is performed during the working cycle of the washing machine (10).
EFFECT: determining the level of the washing fluid.
2 cl, 1 dwg
FIELD: textile, paper.
SUBSTANCE: washing machine comprises an object, displacement of which changes depending on linen weight, a sensor module for detection of an image, light quantity or optical pattern that vary depending on object displacement. Besides, the washing machine comprises a control device for measurement of linen weight on the basis of image change or weight amount change. In the method the object image change is defined depending on displacement of the object, and linen weight is measured on the basis of a certain change of the object image.
EFFECT: increased reliability of linen weight measurement and reduction of energy consumption.
15 cl, 13 dwg
FIELD: textile, paper.
SUBSTANCE: washing machine comprises a body, a washing unit, comprising a washing tank and a drum installed coaxially inside the tank as capable of rotation around the horizontal axis. The washing tank comprises inner and outer cylindrical reservoirs, a system of vibration insulation from springs of washing unit suspension and vibration dampers. Holes of perforation of inner and outer cylindrical reservoirs of the drum are arranged opposite to each other and are connected by means of elastic tight channels. Drum reservoirs are connected to each other by elastic tight elements, arranged near end edges of reservoirs, to form a closed tight cavity filled with working fluid between walls of inner and outer cylindrical reservoirs of the drum. The rotation torque of the outer cylindrical reservoir of the drum is transferred from the motor via the shaft, and of the inner reservoir - via helical springs, having the necessary radial and longitudinal stiffness and installed at ends of the inner reservoir outside the closed tight cavity and rigidly joined with both cylindrical reservoirs and the drum.
EFFECT: lower level of vibration in the period of centrifugal wringing of articles, improved manufacturability of structure assembly, reduction of dimensions, lower impact loads during rotation of a drum when washing and in process of wringing.
1 cl, 2 dwg
FIELD: textiles and paper.
SUBSTANCE: washing machine comprises a housing, a tank mounted in the housing, an elastic element and a damping element for flexible maintenance of the tank in the housing and the device for determining the amount of laundry placed in the tank. The device for determining the amount of laundry comprises a unit for measurement the amount of deformation of the elastic element and a control unit for receiving the amount measured by the unit for measuring the amount of deformation. The unit for measuring the amount of deformation comprises a sensor of loading having an elastically deformable housing and a sensor of deformation. Additionally there is an element for fixation the position, made with the ability to attach the sensor of loading to the two ends of the elastic element.
EFFECT: accurately measuring of the amount of laundry in the drum is provided for efficient use of electricity.
11 cl, 8 dwg
FIELD: machine building.
SUBSTANCE: turbine flow metre contains rotor with multiple blades mounted across the fluid flow and control unit for continuous registration of pulse signals at time moments Ti generated for each full rotation of the rotor and calculation of fluid flowing through flow metre. Note that the control unit can measure time intervals ΔTi=(Ti-Ti-1) coming between sequential pulse signals for definition of flow rate FRi related to each of the specified intervals ΔTi=(Ti-Ti-1) on the basis of experimental calibration non-linear analytical function that correlates the change of flow rate of pre-selected fluid with the change of time interval between sequential pulse signals of turbine flow metre and with the possibility of calculating discreet quantity of fluid Vi=Ti×FRi flowing during each of the said time intervals ΔTi=(Ti-Ti-1) between sequential signals to define total quantity of fluid Vt=ΣiVi flowing through flow metre.
EFFECT: possibility to determine actual flow rate of the fluid in non-linear conditions and define the quantity of fluid flowing through the flow metre that should be calculated with higher accuracy than at allowance of turbine flow metre operation at linear conditions.
7 cl, 5 dwg
FIELD: personal demand items.
SUBSTANCE: device for fixation of domestic washing machine drum in transportation comprises screw that connects wall of body and part of drum. Starting from its head located outside body wall, screw passes through and through body wall and is screwed into drum part. Between screw head and body wall, and also between body wall and drum part on each section there is a shock-absorbing element arranged, which springs in axial direction. Screw head and part of drum are held at a distance from each other by means of tube that passes through and through body wall and surrounds screw. Tube passes through and through both shock-absorbing elements, which in its tubular version comprise deformable part made of elastomer, previously stressed by means of screw with double-sided stop of tube.
EFFECT: with screw screwed certain pre-stressing of shock-absorbing elements is achieved, in which inertial forces from pushes in transportation of washing machine are reliably perceived with sufficient space for elastic motion.
5 cl, 5 dwg
FIELD: textile, paper.
SUBSTANCE: method for determination of preferable speed of rotation of linen-containing drum of machine rotated by a motor, includes the stage, when: serial measurement steps are executed over at least one specific working parametre of specified motor at various speeds of drum rotation. Then values of specified working parametre are compared to according reference values stored in nonvolatile unit of linen processing machine memory, and preferable speed of rotation is selected by means of specified comparison.
EFFECT: optimised washing process.
18 cl, 4 dwg
FIELD: textile, paper.
SUBSTANCE: first specified element is the body of a washing machine for laundry, washing/drying machine or a clothes dryer, and the second specified element is oscillating node of the specified washing machine for laundry, washing/drying machine or a clothes dryer. The holding-down gear is a monolithic device made by pressing-in rubber with plastic material.
EFFECT: ensuring holding of the tank node rigidly fixed to the machine bodyframe during its transportation.
7 cl, 2 dwg
SUBSTANCE: according to the present invention, one version of domestic device implementation includes control panel and controller. The control panel may contain electric switch, which can be utilised by the user to supply commands for device energising and de-energising, and input unit for supplying commands for device actuation by the user.
EFFECT: improving domestic device operation reliability.
13 cl, 5 dwg
FIELD: textile, paper.
SUBSTANCE: washing device, comprising a facility to control washing quality, which makes it possible to vary at least one washing parametre. The user interface in its turn comprises a facility to select a washing mode and a selector of washing quality, which is functionally connected to a facility of washing quality control. The washing device comprises a memory device, designed to memorise a command sent using a selector at the end of washing, where a specific programme of washing has been selected, besides, the specified command: complies with the request of a more or less high quality of washing compared to the quality of the already completed washing and is definitely associated with the specific washing mode selected in the already completed washing. At the same time the memory device sends the specified command to the facility of washing quality control, when the user, using a facility to control a washing programme, again selects washing complying with that specific programme of washing, with which the specified command is associated.
EFFECT: improved quality of washing, power saving.
28 cl, 3 dwg
FIELD: textile, paper.
SUBSTANCE: device for processing linen according to the invention comprises a housing (1) with a camera in it (2) for treated items, and a tool (6) of weight measuring, located between the housing (1) and at least one leg ( 4) mounted on the outer area (5) of the housing base (1) to support the device. Linen processing device is notable for the fact that a tool (6) of measuring weight includes a first electrically conductive lever (7, 27), taking the leg (4), and a second electrically conductive lever (8, 28) connected to the housing (1). At that, the said levers (7, 27, 8, 28) are placed in parallel to each other from cross-connecting element (9, 29), forming a gap (10, 210), inside of which the sensor is located (10) to generate an output signal denoting the change in capacitance, corresponding to change in weight of items.
EFFECT: improved reliability of device for processing linen with a tool of weight measuring, the possibility of replacing the tool of weight measuring in case of breakage, without disassembly of the processing linen device housing.
13 cl, 3 dwg
SUBSTANCE: on an external side of a false control panel (22) there are control segments (38) and indicator segments (36) for control or monitoring, and also with an electric circuit device (24), which is connected to control segments (38) and indicator segments (36) and is arranged in the area of inner side of the false control panel (22). At the same time the circuit device (24) has at least three electrodes (50), which are arranged as distributed approximately in parallel to the false control panel (22), and also facilities of data processing (54), which are tuned to determine the spatial position of a control facility (40) by an estimate relative to the position of three electrodes (50), and namely by determination of a numerical value of fields between electrodes (50) and the control facility (40) so that the control segments (38) as locations of the control facility (40) are made with the possibility of free determination in the area of the outer side of the false control panel (22), besides, for numerical determination of the specified fields, each of the electrodes (50) by means of an oscillator unit (56) is connected with a comparison device (58), providing for assessment of frequency displacement in the area of the oscillator unit (56), and outlets of comparison devices (58) are connected with a microcontroller (60), providing for recalculation of frequency displacements into parameters of position of the control device (40).
EFFECT: creation of an improved design of a false control panel and an improved method to manufacture such a false control panel design.
19 cl, 8 dwg
FIELD: textiles, paper.
SUBSTANCE: washing and/or drying system includes a washing machine of mainly domestic type with an electronic control unit and contains a radio frequency identification device (RFID) able to communicate with the means of communication of labels corresponding to the items of linen. Means of communication of labels are embedded in a variety of flexible containers wherein the items of washed linen are selectively loaded according to their different characteristics. At the top of the washing machine a radio frequency identification device and strain-gauge scales are integrated in order to send appropriate input signals to the control unit of the machine and to operate it.
EFFECT: improved organisation of selective collecting of dirty garments for the most efficient and accurate loading of washing machine.
5 cl, 1 dwg
SUBSTANCE: the invention relates to method of regulation of steam installation in home appliances, where the steam installation produces water steam, in particular, hot steam of overheated steam. Water steam is fed to the processing section, specifically, to the drum. The said steam installation comprises at least one steam generator with heating element and water feeding means. The steam generator temperature is measured, specifically, the surface temperature and/or the heating element temperature, and in normal operating mode the heating element of water feeding means are regulated in such a manner so the measure temperature is kept within the given lower and upper limits. The normal operation mode comprises the first stage and the second stage, furthermore, in the first stage which begins after reaching the given lower temperature limit until reaching the given upper temperature limit the heating element is active and the water feeding means feed the water with the given volume flow, which is the fixed second volume flow or the volume flow which is changed accoring to the measured temperature in the given second dependence. In the second phase of normal operating mode which which begins after reaching the given upper temperature limit until reaching the given lower temperature limit the heating element is deactivated or its heat reduced in comparison with the first phase, and the water feeding means feed the water with the given third volume flow or the volume flow which is changed in accordance with the measured temperature in the third dependence. The second phase duration is measured, compared with the given duration value, and if the measured value differs from the given value more than the given difference value, the troubleshooting service begins.
EFFECT: guaranteed constant steam temperature and/or steam constant volume flow, which prevents spotting and textile products damage.
25 cl, 6 dwg
FIELD: textiles, paper.
SUBSTANCE: invention relates to the method of determining of at least one parameter of textile products and/or at least one parameter of a programme execution in the device of textile products treatment, in particular, in a drying device, a refreshing device or in a washing machine with a drying function. At that the device of textile products treatment contains a compartment intended for keeping the treated textile products, and at least one device for feeding additive, in particular, a steam. The method includes the steps, at which: the additive is supplied from at least one device for feeding additive, the response (S, A, C) of textile products in the compartment is determined as reaction to feeding supply, and by processing a specific response at least one parameter of textile goods is determined. The parameter of textile products is a type of textile products and/or the number of textile products. Also a textile products processing device is disclosed, having a control module and made with the ability to determine at least one parameter of textile products.
EFFECT: convenience of use and efficiency are provided.
32 cl, 5 dwg