Washing machine

FIELD: textile industry.

SUBSTANCE: washing machine for washing and cleaning of clothes using water comprises vessel, tank arranged in vessel, drum, which rotates inside tank and where clothes to be washed are placed, and engine, which provides for rotation of drum. Washing machine also comprises heat exchanger, which exchanges heat with engine and provides for required water for any of washing program cycles. Water shall be taken at earlier stage and is heated by means of heat generated by engine. Heat exchanger is connected to tank by one end to transfer heated water into tank in according cycle. Heat generated by engine, which puts drum in motion, is used to heat water inside heat exchanger.

EFFECT: creation of washing machine providing for energy saving, in which temperature of water for washing will be increasing as a result of heat application from motive circuit.

16 cl, 3 dwg

 

The present invention relates to a washing machine that saves energy.

Washing machines need to heat the water at different cycles in accordance with the running program. Usually, in order to heat water using an electric heater, which requires high power. The energy consumed for water heating, an average of 75% of the energy consumed for the entire washing process. This is why research aimed to reduce energy consumption, have recently been focused on reducing the energy used by the heater.

In the prior art patent of the United States of America No. US4245488 describes how incoming cold water in the washing machine heats the heat diffused from the semiconductor used in the motor control circuit. Heat is continuously exchanged between the circuit and the circulating water pump.

The aim of the present invention is to provide a washing machine in which the temperature of water for washing will increase due to the use of heat from the motor circuit.

Washing machine, designed to fulfill the purpose of the present invention described in the claims annexed to this document. Washing machine, which is the purpose of this is invention, uses the heat generated by the driving motor of the drum, in order to heat the cold water in the unit conversion heat. The water heated in this way is used as water for washing in subsequent cycles of the wash program. Studies have shown that the heating of the engine reaches 25C at the end of the fifteen-minute cycle of rotation and 30C at the end of the twenty-five-minute cycle of rotation. Water coming into the unit conversion heat, therefore, can be heated to 25C-30C by means of this invention. Given that a certain number of wash programs are performed at 30C, the water is heated as described above, will mean that the heater is either not work at all or works to a much lesser extent.

In one application of this invention the heat exchanger is a device that is separate and free from the engine, and is located in some place of the body motionless. The heat exchanger has no direct contact with the engine and the heat generated by the engine is transferred to the heat exchanger by a blower through forced displacement. The water in the unit conversion heat heats up when the programme goes on washing, and washing machine is prepared for a later cycle when you need hot water. It is obvious that the motor connected to the drum, will vibrate throughout its activity, whereas the application of the present invention, the tubes of the heat exchanger is not in contact with the engine, heat is transferred in the distance. Therefore, the vibration coming from the motor and the drum is not transferred to these devices, protecting them from wear and, ultimately, failure. This method also avoids the inconvenience that may be caused by installing fixed devices on the upper surface of the vibrating structure. One additional advantage of using the present invention is that it does not entail any modification of the engine. Therefore, it can be applied to existing engines and washing machines.

When applying the present invention, the fan, the motor and the heat exchanger can be arranged in different ways depending on the particular design of the fan (i.e. he is radial or axial, in which direction it is blowing, and so on).

In one application of this invention, to be able to more efficient use of air, which passes by the engine, can be used a guide that is installed between the engine and the heat exchanger. It is recommended to use the guide in the form of a prism or cone with the settlement of epano increasing cross-section in the same direction, that and air circulation. Thus, it becomes possible to use a heat exchanger with a surface area greater than the engine, and the same quantity of water will be heated much faster.

In one application of the present invention, the water circulates in the heat exchanger via a pump. This can be a special pump with the sole function of the circulation of water inside the heat exchanger. But it is also possible to use or circulation, or a suction pump that is already in the car.

The fan used in the application of the present invention is the same fan that is used to cool the engine. Because these fans are driven by the output shaft of the engine, there is no need for a separate fan motor.

Washing machine, designed to fulfill the purposes of the present invention, illustrated in the attached drawings, where:

Fig. 1 is a schematic side view of the washing machine;

Fig. 2 is a schematic side view of another application of the washing machine;

Fig. 3 is a schematic top view of another application of the washing machine.

The elements illustrated in the drawings, numbered as follows:

1. Washing machine

2. The entrance to the water

3. Heater

4. Pump

5. Body

6. Teploobmen the nick

7. Edge

8. Engine

9. Tank

10. Fan

11. Valve

12. The control unit

13. Drum

14. Guide

Washing machine (1) consists of

housing (5),

- tank (9) inside the housing (5),

drum (13), which rotates inside the tank (9) and where there are things that need to be washed, and

- engine (8), which drives the drum (13).

Washing machine (1) of the present invention is also equipped with a heat exchanger (6), which exchanges heat with the engine (8) and provides the necessary water for any one of the cycles of the wash program, which must be taken at an earlier cycle and heated with the heat generated by the engine (8), and which is connected to the tank (9) at one end for transferring heated water in the tank (9) in the corresponding cycle.

When the application of water required in the main loop washing, can be transferred in the heat exchanger (6), for example, during the pre-washing cycle. The heat generated by the engine (8) during the pre-washing cycle, heats water in the heat exchanger (8). When you begin the cycle main wash, hot water in the heat exchanger (6) will flow into the tank (9) and used as water for washing.

In one application of the present invention, the motor (8) is attached to the tank (9), whereas the heat exchanger (6) the mouth is determined regardless of the engine (8) fixed in some place inside the housing (5). In this application, the heat transfer is by forced displacement. The heat exchanger (6) is not affected by any vibration from the tank (9), no vibration from the engine (8), and, therefore, he does not wear out. In this application a washing machine equipped with a fan (10)to force the move. The heat generated by the engine (8), heats the air, which is then blown toward the heat exchanger (6).

In another application of the present invention is a washing machine (1) equipped in addition to the above:

input (2) to supply water from the local water supply network,

- unit (12) controls, which serves to perform various functions,

- heater (3), which heats the water to the appropriate temperature (Tp) according to the washing program selected by the user,

pump (4), which helps in the circulation of water inside the heat exchanger (6), and

- valve (11), which passes water from a heat exchanger (6) to the tank (9).

In this application both ends of the heat exchanger (6) is connected to the pump (4). It is recommended to use a solenoid valve with a single input - dual output. The pump, therefore, is to pour the water or in the tank (9), or in the heat exchanger (6). In this application, at any stage of a selected program block (12) control allows the water to flow che the ez input (2) for water. Flowing water naturally has the same temperature as the water in the local water supply network (Ts). Water from the local network, subject to certain changes due to climate and season, typically has a temperature between 8C and 15C. the Block (12) of the control generates a separate signal to the valve (11)to allow the water incoming through the inlet (2), to gather inside the heat exchanger (6) instead of flowing into the tank (9). He then starts the pump (4) and the fan (10), to allow the water flowing through the inlet (2), to circulate inside of the heat exchanger (6). When you run this water has a low temperature (Ts). Pump (4) carries out its recycling several times inside the heat exchanger (6). At the same time hot air is mixed with a fan (10), flows past the motor (8) and reaches the heat exchanger (6). The hot air heats the water circulating inside the heat exchanger (6) to almost the same temperature as the temperature (Tm) of the engine (8). When the selected program comes to cycle using hot water unit (12) control opens the valve (11) and provides the heated water in the heat exchanger (6) to result in the tank (9). Only after this phase, and if the selected program requires a higher water temperature, then activates the heater (3), and additional water is heated to the temperature required by the selected PR is a washing programme (Tp). This means that the heater (3) starts to heat water temperature (Ts) of local water, and the temperature (Tm) of the motor (8) and, therefore, involved in a much shorter period of time. In addition, some programmes washing using hot water with a temperature (Tp) at 30C, do not make the heater (3) in General, as the temperature of the water circulating in the heat exchanger (6)is quite sufficient. Therefore, energy consumption is significantly reduced. The time it takes the water circulation inside the heat exchanger (6)is either a fixed period predefined by the manufacturer, or is a variable period controlled by sensors (not shown)that measure the temperature of the water.

In another application of the present invention is a washing machine (1) equipped with a heat exchanger (6), on top of which has ribs (7), in order to increase heat transfer (Fig. 1). Thus, the time required to heat the water up to temperature (Tm) of the engine (8), are further reduced.

Several different types of fan (10) may be used in various applications of this invention. In one example using axial blower fan (10), fan (10), a motor (8) and the heat exchanger (6) are arranged one after another in the same to the managing, in which circulates the air after mixing fan (10) (Fig. 2). In another example, where the applied axial suction air fan (10), fan (10) is located between the engine (8) and heat exchanger (6). Fan (10) sucks air from the upper surface of the engine (8) and then pushes it towards the heat exchanger (6) (Fig. 1). In the case where a centrifugal fan (10), fan (6) sucks air from the upper surface of the engine located in front of the axis of rotation, and then pushes him towards the heat exchanger (6), which is located next in the radial direction (Fig. 3).

In one application of the present invention is a washing machine (1) includes a guide (14), which moves the air, mixed with a fan (10), and either between the engine (8) and heat exchanger (6), or between the fan (10) and heat exchanger (6), but without direct contact with the engine (8) (Fig. 2). The function of the guide (14) is to ensure that the maximum amount of air passing over the engine (8)reaches the heat exchanger (6) with the least possible loss.

When applying the present invention it is recommended to activate the fan (10) using the motor output shaft (8), which can also serve to ogladac the engine (8) (Fig. 2). As for the pump (4)for this purpose can be used circulation or a suction pump that was already present in the washing machine.

Washing machine (1), component the purpose of the present invention, consumes little energy, as the heater (3) is to a lesser extent. In addition, since the heat exchanger (6) and the guide (14) is located, regardless of the engine (8), they are less susceptible to vibrations and, therefore, less prone to wear.

1. Washing machine (1) for washing and cleaning with water, comprising a housing (5), the tank (9)located in the housing (5), drum (13), which rotates inside the tank (9) and in which there are things that need to be washed, and the engine (8), which provides the rotation of the drum (13), characterized in that it comprises a heat exchanger (6), which exchanges heat with the engine (8) and provides the necessary water for any of the cycles of the wash program, which must be taken at an earlier cycle and heated with the heat generated by the engine (8), and which is connected to the tank (9) at one end for transferring heated water in the tank (9) in the corresponding cycle.

2. Washing machine (1) according to claim 1, characterized in that the motor (8) is attached to the tank (9)and the heat exchanger (6) is set regardless of the engine (8) in some place still in building the CE (5).

3. Washing machine (1) according to claim 2, characterized in that it has a fan (10), which moves the air heated with heat generated by the engine (8), towards the heat exchanger (6).

4. Washing machine (1) according to claim 3, characterized in that it has an input (2), through which flows the water from the local water supply unit (12) control that provides various functions, the pump (4), which helps the water to circulate within the heat exchanger (6), and valve (11), which allows the water flowing from the heat exchanger (6), result in tank (9).

5. Washing machine (1) according to claim 3, characterized in that it has a radiator plate (7)that are installed on the heat exchanger (6) and facilitate the transfer of heat.

6. Washing machine (1) according to claim 3, characterized in that it has an axial blower fan (10)with the motor (8) and the heat exchanger (6) are mounted one behind the other in the direction of air circulation.

7. Washing machine (1) according to claim 3, characterized in that it has an axial suction air fan (10), installed between engine and muffler (8) and heat exchanger (6).

8. Washing machine (1) according to claim 3, characterized in that it has a radial fan (10)placed between the motor (8) and heat exchanger (6).

9. Washing machine (1) according to claim 1 or 2, characterized in that it has an input (2), through which retecal water from the local water supply network, block (12) control that provides various functions, the pump (4), which helps the water to circulate within the heat exchanger (6), and valve (11), which allows the water flowing from the heat exchanger (6), result in tank (9).

10. Washing machine (1) according to claim 1 or 2, characterized in that it has a radiator plate (7)that are installed on the heat exchanger (6) and facilitate the transfer of heat.

11. Washing machine (1) according to claim 1 or 2, characterized in that it has an axial blower fan (10)with the motor (8) and the heat exchanger (6) are mounted one behind the other in the direction of air circulation.

12. Washing machine (1) according to claim 11, characterized in that it has a guide (14)which passes through the air, mixed with a fan (10), but without any direct contact with the engine.

13. Washing machine (1) according to claim 1 or 2, characterized in that it has an axial suction air fan (10), installed between engine and muffler (8) and heat exchanger (6).

14. Washing machine (1) according to item 13, characterized in that it has a guide (14)which passes through the air, mixed with a fan (10), but without any direct contact with the engine.

15. Washing machine (1) according to claim 1 or 2, characterized in that it has a radial fan (10), o f the tion between the motor (8) and heat exchanger (6).

16. Washing machine (1) according to 15, characterized in that it has a guide (14)which passes through the air, mixed with a fan (10), but without any direct contact with the engine.



 

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Washing machine // 2401346

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