Vehicle-mounted refrigerator using automobile air conditioning system for refrigeration

Abstract

The utility model belongs to the technical field of automobile air-conditioning refrigerator refrigerating system structures, and particularly relates to a vehicle-mounted refrigerator utilizing an automobile air-conditioning system to refrigerate. The compressor is matched with the four-way valve; the first condenser, the vehicle-mounted refrigerator system and the vehicle-mounted air conditioner refrigerating system conduct double refrigeration of an air conditioner and a refrigerator; the refrigerant can be reversely conveyed to a vehicle-mounted air-conditioning heating system, a vehicle-mounted refrigerator system and an evaporator I for air-conditioning heating and refrigerator refrigeration; the refrigerating effect of the vehicle-mounted refrigerator is achieved through the compressor and the heat exchanger of the vehicle-mounted air conditioner, parts such as the compressor, a condenser, a cooling fan and a filter of the vehicle-mounted refrigerator can be omitted, and equipment cost is greatly saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile air-conditioning refrigerator refrigeration system structure, in particular to a vehicle refrigerator which utilizes the automobile air-conditioning system for refrigeration. Background Art

[0002] The current compression refrigeration car refrigerators are all equipped with independent compressors, which are relatively expensive. Moreover, the compressor and the box are placed in the passenger compartment, which causes noise problems. If the car's own air conditioning refrigeration system can be used, it will not only save the refrigerator cost, but also completely solve a noise source in the passenger compartment. At the same time, due to the high cooling capacity of the air conditioning compressor, the refrigeration speed of the refrigerator will also be improved. Therefore, a car refrigerator that uses the car air conditioning system for refrigeration is provided. Utility Model Content

[0003] In order to solve the defects and shortcomings of the prior art, the purpose of the utility model is to provide a car refrigerator which is simple in structure, reasonably designed and easy to use and which utilizes the automobile air-conditioning system for refrigeration. It utilizes the compressor and heat exchanger of the car air-conditioning system to achieve the refrigeration effect of the car refrigerator, and can eliminate the compressor, condenser, cooling fan, filter and other components of the car refrigerator, thereby greatly saving equipment costs.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: it comprises a compressor, a four-way valve, a condensing / evaporating integrated device 1, a drying filter, an air-conditioning solenoid valve 1, a refrigerator solenoid valve 1, a refrigerator capillary, a refrigerator evaporator, a cooling / heating capillary, a one-way valve, a heating capillary, an air-conditioning solenoid valve 2, a condensing / evaporating integrated device 2, and a refrigerator solenoid valve 2; the compressor is connected to the four-way valve, and the four-way valve changes the conveying channel through electromagnetic drive; the four-way valve port A is respectively connected to the condensing / evaporating integrated device 1, the condensing / evaporating integrated device 1 is connected to the drying filter, and the output end of the drying filter is respectively connected to the air-conditioning solenoid valve 2, and the cooling / heating capillary of the refrigerator evaporator 2. Magnetic valve 1 is connected to refrigerator solenoid valve 1, air-conditioning solenoid valve 1 is connected to the cooling / heating capillary and then connected to the one-way valve and the heating capillary, and the tails of the one-way valve and the heating capillary are connected to air-conditioning solenoid valve 2; the output end of refrigerator solenoid valve 1 is connected to refrigerator solenoid valve 2 and the refrigerator capillary, the other end of refrigerator solenoid valve 2 is connected to the output end of air-conditioning solenoid valve 2, the refrigerator capillary is connected to the refrigerator evaporator and then connected to the compressor; the output end of air-conditioning solenoid valve 2 is respectively connected to condenser / evaporator 2; finally, the end of condenser / evaporator 2 is connected to port B of the four-way valve, and flows back to the compressor from port B through the internal channel of the four-way valve.

[0005] Preferably, the condenser / evaporator integrated device 1 is forward connected to serve as a condenser; the condenser / evaporator integrated device 2 is forward connected to serve as an evaporator to form an air-conditioning refrigeration system.

[0006] Preferably, the first condensing / evaporating unit is reversely connected as an evaporator; the second condensing / evaporating unit is reversely connected as a condenser to form a heating system for the air conditioner.

[0007] Preferably, the first condensing / evaporating unit and the second condensing / evaporating unit have the same structure, and both are composed of two copper tubes and two sets of heat dissipation fins to form a symmetrically distributed heat and cold exchanger.

[0008] Preferably, the refrigerator capillary tube and the refrigerator evaporator form a vehicle-mounted refrigerator system.

[0009] After adopting the above structure, the beneficial effects of the present utility model are as follows: It combines the refrigeration and heating systems of the automotive air conditioner and the refrigeration system of the vehicle-mounted refrigerator, and uses a set of compression systems to drive the automotive air conditioner system and the vehicle-mounted refrigerator system simultaneously, greatly saving equipment costs, and can avoid the problem of noise from the vehicle-mounted refrigerator compressor, further improving the comfort of the vehicle. Description of the Drawings

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the present utility model will be described in detail by the following specific embodiments and the accompanying drawings.

[0011] Figure 1 It is a schematic structural diagram of the present utility model;

[0012] Figure 2 It is a schematic diagram of the air-conditioning refrigeration and refrigerator refrigeration of the present utility model;

[0013] Figure 3 It is a schematic diagram of the air-conditioning heating and refrigerator refrigeration of the present utility model;

[0014] Explanation of the reference numerals in the drawings: Compressor 1, four-way valve 2, first condensing / evaporating unit 3, drying filter 5, first air-conditioning solenoid valve 6, first refrigerator solenoid valve 7, refrigerator capillary tube 8, refrigerator evaporator 9, refrigeration / heating capillary tube 10, check valve 11, heating capillary tube 12, second air-conditioning solenoid valve 13, second condensing / evaporating unit 14, second refrigerator solenoid valve 16. Detailed Embodiments

[0015] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be described below through specific embodiments shown in the drawings. However, it should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present utility model. In addition, in the following description, the descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concepts of the present utility model.

[0016] Here, it should also be noted that in order to avoid obscuring the present utility model due to unnecessary details, only the structures and / or processing steps closely related to the solution according to the present utility model are shown in the drawings, while other details less relevant to the present utility model are omitted.

[0017] See Figure 1 As shown, this specific embodiment adopts the following technical solution: It includes a compressor 1, a four-way valve 2, a condensing / evaporating integrator 3, a dryer filter 5, an air-conditioning solenoid valve 6, a refrigerator solenoid valve 7, a refrigerator capillary tube 8, a refrigerator evaporator 9, a refrigeration / heating capillary tube 10, a check valve 11, a heating capillary tube 12, an air-conditioning solenoid valve 13, a condenser 14, an evaporator 15, and a refrigerator solenoid valve 16; the compressor 1 is connected to the four-way valve 2, and the four-way valve 2 changes the conveying channel through electromagnetic drive; port A of the four-way valve 2 is connected to the condensing / evaporating integrator 3, the condensing / evaporating integrator 3 is connected to the dryer filter 5, and the output end of the dryer filter 5 is respectively connected to the air-conditioning solenoid valve 6 and the refrigerator solenoid valve 7. The air-conditioning solenoid valve 6 is connected to the refrigeration / heating capillary tube 10 and then respectively connected to the check valve 11 and the heating capillary tube 12. The tails of the check valve 11 and the heating capillary tube 12 are both connected to the air-conditioning solenoid valve 13; the output end of the refrigerator solenoid valve 7 is respectively connected to the refrigerator solenoid valve 16 and the refrigerator capillary tube 8. The other end of the refrigerator solenoid valve 16 is connected to the output end of the air-conditioning solenoid valve 13, and the refrigerator capillary tube 8 is connected to the refrigerator evaporator 9 and then connected to the compressor 1; the output end of the air-conditioning solenoid valve 13 is connected to the condensing / evaporating integrator 14; the end is connected to port B of the four-way valve 2 and returns to the compressor 1 through the internal channel of the four-way valve 2 from port B.

[0018] Among them, the condensing / evaporating integrator 3 is connected in the forward direction as a condenser; the condensing / evaporating integrator 14 is connected in the forward direction as an evaporator to form an air-conditioning refrigeration system. The condensing / evaporating integrator 3 is connected in the reverse direction as an evaporator; the condensing / evaporating integrator 14 is connected in the reverse direction as a condenser to form an air-conditioning heating system. The condensing / evaporating integrator 3 and the condensing / evaporating integrator 14 have the same structure, and both are composed of two-way copper tubes and two groups of heat dissipation fins to form a symmetrically distributed heat exchange device.

[0019] The working principle of this specific embodiment is: See Figure 2, air conditioner refrigeration and refrigerator refrigeration mode; the first air conditioner solenoid valve 6 is opened, the first refrigerator solenoid valve 7 is opened, the second air conditioner solenoid valve 13 is opened, the second refrigerator solenoid valve 16 is closed, the four-way valve outputs from port A, and ports B and C are connected; the compressor 1 transports the refrigerant from port A to the condenser / evaporator unit 3 (as a condenser) through the four-way valve 2 for cooling and heat dissipation; then after passing through the dryer filter 5, one path passes through the first refrigerator solenoid valve 7, the refrigerator capillary tube 8, and the refrigerator evaporator 9 to refrigerate the refrigerator, and finally returns to the compressor 1; at the same time, the other path enters the condenser / evaporator unit 2 in the vehicle air conditioning system (as an evaporator) through the refrigeration / heating capillary tube 10, the check valve 11, and the second air conditioner solenoid valve 13 for in-vehicle refrigeration, and finally the refrigerant returns to the compressor 1 through ports B and C of the four-way valve 2.

[0020] See Figure 3 , air conditioner heating and refrigerator refrigeration mode; the first air conditioner solenoid valve 6 is opened, the first refrigerator solenoid valve 7 is closed, the second air conditioner solenoid valve 13 is opened, the second refrigerator solenoid valve 16 is opened, the four-way valve outputs from port C, and ports A and B are connected; the compressor 1 transports the refrigerant from port C to the condenser / evaporator unit 2 (as a condenser) through the four-way valve 2, and then is respectively connected to the second air conditioner solenoid valve 13 and the second refrigerator solenoid valve 16. The second refrigerator solenoid valve 16 is connected to the refrigerator capillary tube 8 and the refrigerator evaporator 9 to refrigerate the refrigerator, and finally returns to the compressor 1; the second air conditioner solenoid valve 13 is transported to the condenser / evaporator unit 3 (as an evaporator) through the heating capillary tube 12, the refrigeration / heating capillary tube 10, and the dryer filter 5, and finally returns to the compressor 1 from ports A and B of the four-way valve 2.

[0021] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model.

[0022] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A vehicle-mounted refrigerator that uses an automotive air conditioning system for refrigeration, characterized in that: It includes a compressor, a four-way valve, a condenser / evaporator unit 1, a dryer filter, an air-conditioning solenoid valve 1, a refrigerator solenoid valve 1, a refrigerator capillary tube, a refrigerator evaporator, a refrigeration / heating capillary tube, a check valve, a heating capillary tube, an air-conditioning solenoid valve 2, a condenser / evaporator unit 2, and a refrigerator solenoid valve 2; the compressor is connected to the four-way valve, and the four-way valve changes the conveying channel through electromagnetic drive; port A of the four-way valve is respectively connected to the condenser / evaporator unit 1, the condenser / evaporator unit 1 is connected to the dryer filter, the output end of the dryer filter is respectively connected to the air-conditioning solenoid valve 1 and the refrigerator solenoid valve 1, the air-conditioning solenoid valve 1 is connected to the refrigeration / heating capillary tube and then respectively connected to the check valve and the heating capillary tube, and the tails of the check valve and the heating capillary tube are both connected to the air-conditioning solenoid valve 2; the output end of the refrigerator solenoid valve 1 is respectively connected to the refrigerator solenoid valve 2 and the refrigerator capillary tube, the other end of the refrigerator solenoid valve 2 is connected to the output end of the air-conditioning solenoid valve 2, and the refrigerator capillary tube is connected to the refrigerator evaporator and then connected to the compressor; the output end of the air-conditioning solenoid valve 2 is respectively connected to the condenser / evaporator unit 2; finally, the end of the condenser / evaporator unit 2 is connected to port B of the four-way valve and returns to the compressor from port B through the internal channel of the four-way valve.

2. The in-vehicle refrigerator that uses an automotive air conditioning system for refrigeration according to claim 1, wherein: The condenser / evaporator unit 1 is connected in the forward direction as a condenser; the condenser / evaporator unit 2 is connected in the forward direction as an evaporator to form an air-conditioning refrigeration system.

3. The vehicle-mounted refrigerator that uses an automotive air conditioning system for refrigeration according to claim 1, wherein: The condenser / evaporator unit 1 is connected in the reverse direction as an evaporator; the condenser / evaporator unit 2 is connected in the reverse direction as a condenser to form an air-conditioning heating system.

4. An in-vehicle refrigerator that uses an automotive air conditioning system for refrigeration according to claim 1, characterized in that: The condenser / evaporator unit 1 and the condenser / evaporator unit 2 have the same structure, and both are composed of two-way copper tubes and two groups of heat dissipation fins to form a symmetrically distributed heat exchange device.

5. The in-vehicle refrigerator using an automotive air conditioning system for refrigeration according to claim 1, wherein: The refrigerator capillary tube and the refrigerator evaporator form a vehicle-mounted refrigerator system.

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