Anti-frost evaporation tube of refrigerator with drawers

FIELD: heating systems.

SUBSTANCE: anti-frost evaporation tube of refrigerator with drawers consists of internal housing wherein there provided is food storage compartment for arranging drawer-container, and in the latter, low temperature is maintained by means of evaporation tube for cooling agent circulation, which is located around external part of internal housing. Evaporation tube includes curved parts located on both side surfaces of internal housing and straight tube part located on upper surface of internal housing and connected to curved tube parts.

EFFECT: use of this invention allows eliminating frost formation on roof surface of refrigerator internal housing.

5 cl, 7 dwg

 

Background of the invention

1. The technical field to which the invention relates

The present invention relates to the evaporation tube refrigerator with drawers, and more particularly to protivoanemi evaporative tube refrigerator with drawers, in which the design of the evaporator tube is improved and prevents the formation of frost on the ceiling part in the storage of products of the refrigerator, and an operating mode of the refrigerator can be more accurately controlled by using a more precise definition of the status of internal parts of the camera storage products.

2. Description of the prior art

Basically, refrigerator designed for extension food preservation by means of circulation of the refrigerant inside it. In recent times there have been developed various refrigerators according to their assignments. For such special purposes were established refrigerators that allow easy storage of products and have the function of ripening products.

In accordance with the methods of opening doors these refrigerators are divided into the fridge, opening the upper part, when the food product is put or take out of the refrigerator through its upper part, and a fridge with drawer in which the door is made in the form of a box.

IG depicts a perspective view of a typical refrigerator with drawers, and figure 2 depicts a view showing the internal configuration of the refrigerator with drawers in accordance with the prior art.

As shown in figures 1 and 2, the refrigerator 10 of the prior art includes the outer body 20 in the form of a rectangular box and inner housings 30 installed in the outer case 20 and forming a number of chambers 32 food storage. The appropriate camera 32 storage products formed in the inner housings 30, independently thermoregulate through the device 22 controls installed in the upper front part of the outer casing 20.

Furthermore, between the outer and inner housings 20 and 30 provides a predetermined gap, and this gap is filled with insulating material 25. Moreover, a drawer container 40 for storing food is located in the chamber 32 food storage internal housing 30. Products such as fruits, vegetables, meats and processed foods, are stored directly in the drawer container 40 for storing food or stored in an additional inner container 42, is installed in the drawer container for food storage.

Drawer container 40, configured, includes a door 44, fixed on its front side, and retracts or extends from the inner housing is 30 for closing or opening the camera 32 food storage.

With this purpose, the movable guides 47 are installed on both sides of the drawer container 40 in the horizontal direction and supported slidable on the stationary guide 37 mounted on the camera 32 food storage internal housing 30.

Figure 3 depicts a perspective view of the inner housing and the evaporator tube refrigerator with drawers in accordance with the prior art, and figure 4 depicts a perspective view with a spatial separation of the parts, showing the position in which the generator tube figure 3 is separated from the interior of the housing. Design and operation of the internal casing and the evaporator tube will be described in detail with reference to Fig 3 and 4.

The evaporator containing evaporative tube 34, through which the refrigerant circulates to keep products stored in the chamber 32 storing food at a low temperature, is located on the outer side of the inner housing 30. In addition, the compressor 29 to pump refrigerant and the refrigeration circulation system to supply or to collect the refrigerant from the evaporator tube 34 is mounted under the inner housing 30.

When the inner case 30 is made of aluminum to increase its rate of heat exchange and evaporative tube 34 is formed in such a way that it is the three exterior surfaces, i.e. on both side surfaces and the upper surface of the inner housing 30.

The refrigerator 10 with drawers prior art, configured, includes a sensor 38 for measuring the temperature or similar device to maintain optimal storage conditions of products in the Luggage storage products. With this purpose up to the present time, the sensor 38 was located between the evaporator tubes 34, is placed on the upper surface of the inner casing 30, and the fastening element 39 for fixing the sensor 38 on the inner casing was placed crosswise over the adjacent evaporator tubes 34.

When the generator tube 34 conventional refrigerator 10 with drawers, configured as described above is used for a long time, the products stored in the upper part of the drawer container 40, strongly cooled and, thus, are frozen by the evaporation tube 34 installed on the ceiling surface of the inner casing 30, and as a result they spoil.

In addition, since the ceiling surface of the inner housing 30 is formed frost, for drawer container 40 is generated interference from the inner housing 30 when the container is pushed or pulled out from the inner cor the USA. In addition, since the drawer container 40 quickly premarket to the inner housing 30, the drawer container 40 can not be smoothly opened or closed.

In addition, since the frost formed on the ceiling surface of the inner housing 30, prevents the transfer of heat into the inner housing and, thus, reduces thermal efficiency of the refrigerator, it is necessary to remove the frost.

On the other hand, when the user defrost refrigerator, frost turns into water, which flows down into a drawer container 40. Therefore, the products stored in the drawer container 40, damaged and deteriorate.

These problems are the consequence of the formation of frost on the surfaces of the inner housing 30. Thus, it is necessary to take measures to prevent frost buildup on the inner surfaces of the inner housing 30. For this purpose, attempts were made to prevent frost with improving the design of the evaporator tube. More specifically, it requires the improvement of the design, in which the sensor is fixed for a more accurate measurement of the temperature in the storage of products.

Brief description of the invention

The present invention is directed to solving the above problems concerning the current level of tech is I. Therefore, the aim of the present invention is to provide protivoanemi evaporative tube refrigerator with drawers, in which by preventing the formation of frost on the ceiling surface of the inner housing through the improvement of the design of the evaporator tube installed on the inner body, strong cooling and spoilage of food products, as well as spoilage of products as a result of turning frost into the water can be prevented, and a box container can more smoothly be opened or closed, and which can be installed more accurate operation and excluded fluctuation of temperature in the storage of products through the use of the sensor for more accurate determination of the mode storage products.

In accordance with an aspect of the present invention for achieving the specified goals stipulated protivoyadia generator tube refrigerator with drawers, including the internal casing, which is formed Luggage storage products to accommodate a drawer container for storage of products, and through the evaporator tubes, placed on the outer surface of the inner housing, the drawer container for storing food remains low temperature, thus evaporating the cutting includes curved part of the tube, located on both lateral surfaces of the inner housing, and a straight part of the tube located on the upper surface of the inner casing and connected with the curved parts of the tubes.

Preferably, each of the curved parts of the tubes includes a large number of densely Packed straight sections of the tube. More preferably, the evaporation surface of the curved parts of the tubes located on the output side, whence comes the refrigerant larger than the area of the curved parts of the tubes located on the input side, which receives the refrigerant. Protivoyadia generator tube may optionally include additional curved part of the tube, which is installed the sensor for measuring the status of the camera for storage of products, and specified additional curved part of the tube formed on the section of the straight part of the tube. Preferably additional curved part of the tube includes an additional straight sections of the tube are parallel to each other, and an additional curved section of the tube is connected with an additional straight sections of the tube. In addition, the fastening element can be established across over additional parallel straight sections of the tube to secure the sensor.

Brief description of drawings

These and other objectives, oflicial the special features and advantages of the present invention will become apparent when reading the following description of preferred embodiments in conjunction with the accompanying drawings, on which:

figure 1 depicts a perspective view of a typical refrigerator with drawers;

figure 2 is a view showing the internal configuration of the refrigerator prior art;

figure 3 is a perspective view of the inner housing and the evaporator tube refrigerator with drawers prior art;

4 is a perspective view with a spatial separation of the parts, showing the position in which the generator tube figure 3 is separated from the inner case;

5 is a view showing the internal configuration of the refrigerator with drawers in accordance with the present invention;

6 is a perspective view of the inner housing and the evaporator tube with protivoanemi design that is used in it;

Fig.7 is a perspective view with a spatial separation of the parts, showing the position in which the generator tube figure 6 is separated from the inner case.

Description of the preferred variant of the invention, the

Next, with reference to the accompanying drawings will be described in detail the preferred implementation of the present invention.

Figure 5 depicts a view showing the internal configuration of the refrigerator with drawers in accordance with the present invention.

As shown in figure 5, the refrigerator 50 with pull the drawers contains the outer body 60 in the form of a rectangular box, which defines the outer appearance of the refrigerator, and the inner case 70 in the form of a box with an open front surface, which is installed in the outer housing 60 to form a large number of cameras 72 food storage. The appropriate camera 72 storage products independently thermoregulate by device 62 controls installed in the upper front part of the outer casing 60.

In addition, the outer and inner housings 60 and 70 are connected to each other with a specified gap, and the insulation material 65 fills the gap to maintain a constant temperature chambers 72 food storage.

Drawer container 90 is located in the chamber 72 food storage inner housing 70. Products such as fruits, vegetables, meats and processed foods, are stored directly in the drawer container 90 for food storage or stored in an additional inner container 92, established in the drawer container 90 for food storage.

Drawer container 90 includes a door 94, mounted on its front side, and can vdvinut'sā or be nominated from the inner housing 70 for closing or opening the camera 72 food storage.

With this purpose, the movable guides 97 are installed on both sides of the drawer container 90 in horizontal the m direction, while the fixed guide 77, the respective movable guides 97, mounted on the camera 72 food storage internal body 70 to maintain the slidable drawer container 90 and the direction of the movable guide 97 on stationary rails 77, when the drawer container is pushed or pulled out from the inner case.

Mechanical devices, including a compressor 69, capacitor and drive the refrigerant (not shown in the figure) installed in a compartment located under the inner housing 70. A capacitor (not shown) is connected to the output of the compressor 69, and an expansion valve and an evaporator (not shown) are also connected in series with the compressor output.

The evaporator contains evaporative tube 74, located on the outer surface of the inner housing 70. The refrigerant pumped from the compressor 69, circulates through the evaporator tube 74 and cools the inner part of the inner housing 70.

6 depicts a perspective view of the inner housing and the evaporator tube with protivoanemi design that is used in it; and Fig.7 depicts a perspective view with a spatial separation of the parts, showing the position in which the generator tube figure 6 is separated from the inner case.

As shown nafig and 7, the generator tube 74 tightly configured on both side surfaces of the inner housing 70 and has a sparse configuration on the upper surface of the inner housing 70.

To this end the generator tube 74 is composed of a curved portion 75 of the tube, formed on both side surfaces of the inner housing 70, and the straight part of the tube 76 formed on the upper surface of the inner housing 70. The curved portion 75 of the tube contains a large number of straight sections 75a tube, densely located on the lateral surfaces of the inner housing 70, and a large number of semi-circular curved sections 75b tube connected to the ends of the straight sections 75a tube for the passage of fluid through straight and curved sections of the tube. Meanwhile, the straight portion 76 of the tube is loose. By changing the cross-sectional dimension and the number of curved and straight parts 75 and 76 of the tube can be adjusted cooling capacity.

In addition, the sensor 78 measuring temperature storage products for the measurement condition storage products installed on the side of the inner housing 70. With this purpose, the installation position 80 for the sensor, which is mounted sensor 78, formed on the side of the evaporator tube 74.

More specifically, the installation location 80 for sensor sformirovanaya side of the straight part of the tube 76 to ensure tight contact with the top surface of the inner case 70 so to the sensor 78 can determine the status of the upper part of the chamber 72 food storage. With this purpose, the installation position sensor 80 is provided with an additional curved part of the tube 85, formed on the side of the straight part of the tube 76.

In this embodiment of the present invention an additional curved portion 85 of the tube formed in the center of the upper surface of the inner housing 70. Additional curved portion 85 of the tube is composed of two additional straight sections 85 of the tube, parallel to each other, and an additional curved portion 85b connected for communication with the ends of the respective straight sections 85a tube. In addition, the fastening element 79 is installed across over additional parallel straight sections 85a tube. The fastening element 79 is used for mounting sensor 78 for additional curved portion 85 of the tube so that the sensor 78 is fixed on the bottom surface of the fastening element 79 and, then, is in close contact with the top surface of the inner housing 70.

In addition, the curved part of the tube located on the side surfaces of the inner housing 70 is formed so that the bent part of the tube located on the outlet side of the refrigerant, more curved parts of the tubes positioned on the input from the Auron refrigerant, taking into account their area of evaporation. While most of the evaporation surface means a greater area of contact of the inner housing 70 from the outside. More specifically, the curved part of the tube located on the output side, whence comes the refrigerant is longer than the curved part of the tube located on the input side, which receives the refrigerant. That is, the refrigerant circulating in the curved portion 75 of the tube on the inlet side can sufficiently cool the chamber 72 food storage due to its high cooling capacity, although the evaporation surface curved part of the tube on the inlet side is smaller, while the refrigerant circulating in the curved portion 75 of the tube on the output side, has a relatively low cooling capacity due to loss of cooling capacity when passing through the curved portion 75 of the tube on the inlet side and the straight part of the tube. Accordingly, the evaporation surface curved portion 75 of the tube on the output side is increased so that the cooling capacity is regulated in the same way as it occurs on the curved portion 75 of the tube on the inlet side. In addition, to achieve a more constant cooling the curved portion 75 of the tube on the outlet side can be extended to part of the upper surface of the inner casing 0.

As described above, it is possible to reduce temperature fluctuations at the right and left side of the camera 72 storage products, as well as to operate the refrigerator in the optimal mode by adjusting the length of the curved part of the tube in accordance with the cooling capacity of the refrigerant.

Meanwhile, the defrosting device (not shown) for defrosting chamber 72 storage products installed on the side of the inner case 70.

Work protivoanemi evaporative tube refrigerator with drawers in accordance with the present invention configured thus will be described as follows.

First of all, when you turn on the refrigerator through the device 62 controls the compressor 69 starts to work and then delivers the refrigerant compressed under high pressure to the condenser. The refrigerant is fed to the capacitor generates heat and, thus, becomes in phase with the high pressure and low temperature and then is fed to the expansion valve. Then, the refrigerant submitted to the expansion valve, immediately expand and, thus, becomes in phase with low pressure and low temperature is fed to the evaporator. The refrigerant fed to the evaporator, carries out heat exchange chamber 72 storing food in the inner housing 70 with the passage h is through the evaporation tube 74, placed around the inner housing 70. At this time, a drawer container 90 mounted in the chamber 72 storage of products, and the products stored in the drawer container 90, and cooled so that the products can be kept for long fresh.

In addition, between the camera 72 storing food in the inner housing 70 and curved portions 75 of the tube mounted on the side surfaces of the inner housing, and a straight part of the tube 76 mounted on the upper surface of the inner housing and connected to the curved part of the tube, there is a heat exchange. Heat transfer effect is also present in the chamber 72 storing food thanks to the air circulation in it.

During operation of the refrigerator with drawers, as described above, a ceiling surface of the inner housing 70 is not strongly cooled and, thus, the products stored in the upper part of the drawer container 90 may be not frozen and fresh.

In addition, because frost is not formed on the ceiling surface of the inner housing 70, a drawer container 90 does not apply to frost and, thus, operated smoothly, when a drawer container is pushed or pulled out from the inner case.

In addition, since the sensor 78, which is firmly installed in the installation space 80 for the sensor is on the upper surface of the inner casing by means of the fastening element 79, can measure the state in the storage of products, and then send the information on the measured state of the device 62 control, it is possible to operate the refrigerator 50 in the optimal mode.

In accordance with the present invention configured thus, the design of protivoanemi evaporative tube refrigerator with drawers, mounted on the internal housing, improved so that it can be effectively heat transfer in the storage of the products formed in the inner housing. Consequently, since the ceiling surface of the inner body is not cooled much the products stored in the upper storage products cannot be frozen. In addition, because frost is not formed on a ceiling surface, a drawer container can be smoothly vdvinut'sā or be nominated from the inner housing. Moreover, because frost is not formed on the ceiling surface of the inner housing, water, which can be formed by melting the frost formed on the inner surface of the inner case, does not come in a drawer container. Therefore, the products stored in the drawer container, not suffer from produced water, and, in addition, the working environment is clean, and also increases the exchanger is military capability. In addition, since the evaporation surface of the curved parts of the tubes located on the output side, whence comes the refrigerant, more evaporation area of the curved parts of the tubes located on the input side, which receives the refrigerant, the temperature fluctuations at the right and left sides of the camera storage products can be reduced and, thus, the refrigerator can operate in an optimal manner. Moreover, since the sensor is mounted so that it can measure the temperature in the storage products more accurately, the state storage products can be precisely defined and, thus, the refrigerator may also work in optimum operating mode.

Although protivoyadia generator tube refrigerator with drawers in accordance with the present invention has been described with reference to the accompanying drawings, the present invention is not limited to the embodiment described together with the drawings. Specialists in the art will understand that various modifications and changes in the scope of the attached claims. It is also possible to additionally increase the cooling capacity by adding the curved part of the tube on the side of the straight part of the tube. It should also be understood that curved and straight sections of the tube, rassmotren the e in the description of the present invention, only depicted in accordance with their layout, and does not mean that they are mathematically represented exactly straight or curved lines. As an example, the straight section of the tube, located on the upper surface of the inner housing may include multiple curved sections of the tube to further increase the cooling capacity of the evaporator tube. In addition, the specified sensor is a sensor for measuring the temperature in the storage of products, but also can be installed and another sensor having a function for measuring the moisture or the like to provide the best work.

1. Protivoyadia generator tube refrigerator with drawers containing the inner case, which is formed Luggage storage products to accommodate a drawer container and drawer container is supported by the low temperature evaporator tubes for circulation of refrigerant, which is located around the outer part of the inner housing, while the evaporator tube includes a curved part of the tube located on both lateral surfaces of the inner housing; and a straight part of the tube located on the upper surface of the inner casing and connected with the curved parts of the tubes.

2. Protivoyadia generator tube according to claim 1, the each of the curved parts of the tubes contains many densely Packed straight tube sections and semicircular curved sections of the tube, connected to both ends of the straight sections of the tube.

3. Protivoyadia generator tube according to claim 1 or 2, in which the evaporation surface of the curved parts of the tubes located on the output side, whence comes the refrigerant, more evaporation area of the curved parts of the tubes located on the input side, which receives the refrigerant.

4. Protivoyadia generator tube according to claim 1 or 2, containing additional curved part of the tube, in which the sensor is installed to measure the status of the camera storage products, with specified additional curved part of the tube formed on the section of the straight part of the tube.

5. Protivoyadia generator tube according to claim 4, in which additional curved part of the tube contains additional straight sections of the tube are parallel to each other, and an additional curved section of the tube is connected with an additional straight sections of the tube, and the fastening element is transversely over parallel straight sections of the tube to secure it to the sensor.



 

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