CN210478350U - Cold air direct supply type quick precooling system of refrigerator car - Google Patents
Cold air direct supply type quick precooling system of refrigerator car Download PDFInfo
- Publication number
- CN210478350U CN210478350U CN201921014948.7U CN201921014948U CN210478350U CN 210478350 U CN210478350 U CN 210478350U CN 201921014948 U CN201921014948 U CN 201921014948U CN 210478350 U CN210478350 U CN 210478350U
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- refrigerator
- refrigerator car
- secondary refrigerant
- precooling
- pipe
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Abstract
The utility model belongs to the technical field of the refrigerator car refrigeration, especially, for quick precooling system of refrigerator car cold wind direct-feed type, including refrigerator wagon, one side fixed mounting of refrigerator wagon has refrigerator car condensation unit, one side inner wall fixed mounting of refrigerator wagon has the refrigerator car evaporimeter, the refrigerator car evaporimeter with refrigerator car condensation unit is connected, one side of refrigerator wagon is equipped with out tuber pipe and air-supply line, refrigerator wagon one side is equipped with the heat transfer case, go out the tuber pipe with the air-supply line all with the heat transfer case is linked together, be equipped with the precooling heat exchanger in the heat transfer case, the top of heat transfer case is equipped with the fan, be equipped with secondary refrigerant feed liquor pipe on the precooling heat exchanger, be equipped with the circulating pump on the secondary refrigerant feed liquor pipe. The utility model discloses convenient to use can cool off the air in the carriage fast, has shortened cooling time, has improved work efficiency to a certain extent.
Description
Technical Field
The utility model relates to a refrigerator car refrigeration technology field especially relates to quick precooling system of refrigerator car cold wind direct-feed type.
Background
The refrigerator car is a closed van type transport vehicle for transporting frozen or fresh goods, is a special refrigerator transport vehicle provided with a refrigerating device of a refrigerating unit and a polyurethane heat insulation compartment, and can be classified according to manufacturers, chassis bearing capacity and compartment types.
The air in the carriage is cooled by the condenser unit and the evaporator, although the temperature of the air in the carriage can be reduced by the method, the cooling speed is slow, the time required for reaching the preset temperature is long, and the working efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art, and providing a cold air direct-supply type quick precooling system for a refrigerator car.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a cold air direct-supply type quick precooling system of a refrigerator car comprises a refrigerator car body, one side of the refrigerator car body is fixedly provided with a refrigerator car condensing unit, the inner wall of one side of the refrigerator car body is fixedly provided with a refrigerator car evaporator, the refrigerator car evaporator is connected with the refrigerator car condensing unit, one side of the refrigerator car body is provided with an air outlet pipe and an air inlet pipe, one side of the refrigerator car body is provided with a heat exchange box, the air outlet pipe and the air inlet pipe are both communicated with the heat exchange box, a precooling heat exchanger is arranged in the heat exchange box, the top of the heat exchange box is provided with a fan, the precooling heat exchanger is provided with a secondary refrigerant liquid inlet pipe, the secondary refrigerant liquid inlet pipe is provided with a circulating pump, one side of the refrigerator car body is provided with a secondary refrigerant solution box, the secondary refrigerant liquid inlet pipe is communicated with the, an evaporation refrigerating pipe is arranged in the secondary refrigerant solution tank, a compressor is arranged at one end of the evaporation refrigerating pipe, and a precooling condenser is arranged on one side of the compressor.
Preferably, the air outlet pipe and the air inlet pipe are both provided with a first stop valve.
Preferably, a secondary refrigerant liquid outlet pipe is arranged on the precooling heat exchanger and communicated with the secondary refrigerant solution tank.
Preferably, the fan blades of the fan are arranged in the heat exchange box, and the output shaft of the fan is rotatably connected with the heat exchange box.
Preferably, two cooler pipes are arranged on the pre-cooling condenser, the two cooler pipes are respectively communicated with the compressor and the evaporation cooling pipe, and a second stop valve is arranged on the evaporation cooling pipe and connected with the corresponding cooler pipe.
Preferably, a mounting plate is arranged on one side of the secondary refrigerant solution tank, and the compressor and the pre-cooling condenser are both fixedly mounted on the mounting plate.
Compared with the prior art, the beneficial effects of the utility model are that: firstly, the device can carry out preliminary cooling on air in a refrigerated vehicle through the matching of a refrigerated vehicle condensing unit and a refrigerated vehicle evaporator, and through the matching of an air outlet pipe, a heat exchange box, a precooling heat exchanger, a fan, an air inlet pipe, a refrigerating medium liquid inlet pipe, a circulating pump, a refrigerating medium solution box, a refrigerating medium, an evaporation refrigerating pipe, a compressor, a precooling condenser, a first stop valve and a second stop valve, when the refrigerated vehicle needs to carry out quick precooling and cooling on the refrigerated vehicle when parking, two first stop valves are opened, a cold air direct supply system is provided with a circulating air pipe which is communicated with the air outlet pipe and the air inlet pipe of the vehicle, air with higher temperature in the refrigerated vehicle enters the heat exchange box through the air outlet pipe, the fan is started, the fan can boost and speed of the air entering the heat exchange box, so that the air can rapidly enter the refrigerated vehicle from the air inlet pipe, and the circulating pump and the compressor, the compressor can reduce the temperature of the secondary refrigerant by matching the pre-cooling condenser and the evaporation refrigerating pipe, the circulating pump runs, the secondary refrigerant enters the pre-cooling heat exchanger through the secondary refrigerant inlet pipe, so that the temperature of the pre-cooling heat exchanger is reduced, air with higher temperature in the refrigerator carriage enters the heat exchange box, the temperature is reduced after passing through the pre-cooling heat exchanger, the air enters the refrigerator carriage through the air inlet pipe, and the air in the refrigerator carriage can quickly achieve the pre-cooling effect through repeated circulating refrigeration.
The utility model discloses convenient to use can cool off the air in the carriage fast, has shortened cooling time, has improved work efficiency to a certain extent.
Drawings
FIG. 1 is a front sectional view of the present invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure: 1. a refrigerated compartment; 2. a refrigerator car condensing unit; 3. a refrigerated vehicle evaporator; 4. an air outlet pipe; 5. a heat exchange box; 6. a precooling heat exchanger; 7. a fan; 8. an air inlet pipe; 9. a secondary refrigerant inlet pipe; 10. a circulation pump; 11. a secondary refrigerant solution tank; 12. a secondary refrigerant; 13. evaporating and cooling the tube; 14. a compressor; 15. a pre-cooling condenser; 16. a first shut-off valve; 17. a second shut-off valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a cold air direct-supply type quick precooling system of a refrigerator car comprises a refrigerator car 1, a refrigerator car condensing unit 2 is fixedly arranged on one side of the refrigerator car 1, a refrigerator car evaporator 3 is fixedly arranged on the inner wall of one side of the refrigerator car 1, the refrigerator car evaporator 3 is connected with the refrigerator car condensing unit 2, an air outlet pipe 4 and an air inlet pipe 8 are arranged on one side of the refrigerator car 1, a heat exchange box 5 is arranged on one side of the refrigerator car 1, the air outlet pipe 4 and the air inlet pipe 8 are both communicated with the heat exchange box 5, a precooling heat exchanger 6 is arranged in the heat exchange box 5, a fan 7 is arranged at the top of the heat exchange box 5, a secondary refrigerant liquid inlet pipe 9 is arranged on the precooling heat exchanger 6, a circulating pump 10 is arranged on the secondary refrigerant liquid inlet pipe 9, a secondary refrigerant solution box 11 is arranged on one side of the refrigerator car 1, the secondary refrigerant liquid inlet pipe 9 is communicated with the secondary refrigerant solution box, one end of the evaporation refrigerating pipe 13 is provided with a compressor 14, and one side of the compressor 14 is provided with a precooling condenser 15;
the air outlet pipe 4 and the air inlet pipe 8 are respectively provided with a first stop valve 16, the precooling heat exchanger 6 is provided with a secondary refrigerant liquid outlet pipe, the secondary refrigerant liquid outlet pipe is communicated with a secondary refrigerant solution tank 11, fan blades of the fan 7 are arranged in the heat exchange tank 5, an output shaft of the fan 7 is rotatably connected with the heat exchange tank 5, the precooling condenser 15 is provided with two refrigerating machine pipes which are respectively communicated with the compressor 14 and the evaporation refrigerating pipe 13, the evaporation refrigerating pipe 13 is provided with a second stop valve 17, the second stop valve 17 is connected with the corresponding refrigerating machine pipe, one side of the secondary refrigerant solution tank 11 is provided with a mounting plate, the compressor 14 and the precooling condenser 15 are fixedly mounted on the mounting plate, the air in the refrigerated vehicle 1 can be preliminarily cooled through the matching of the refrigerated vehicle condenser unit 2 and the refrigerated vehicle evaporator 3, and the air can be preliminarily cooled through the air outlet pipe 4, the, The fan 7, the air inlet pipe 8, the secondary refrigerant liquid inlet pipe 9, the circulating pump 10, the secondary refrigerant solution tank 11, the secondary refrigerant 12, the evaporative cooling pipe 13, the compressor 14, the precooling condenser 15, the first stop valve 16 and the second stop valve 17 are matched, when the refrigerator car needs to be quickly precooled and cooled during parking, the two first stop valves 16 are opened, the cold air direct supply system is provided with a circulating air pipe which is communicated with the air outlet pipe 4 and the air inlet pipe 8 of the car, air with higher temperature in the refrigerator car 1 enters the heat exchange box 5 through the air outlet pipe 4, the fan 7 is started, the fan 7 can pressurize and speed up the air entering the heat exchange box 5, so that the air can quickly enter the refrigerator car 1 from the air inlet pipe 8, the circulating pump 10 and the compressor 14 are started simultaneously, the compressor 14 works through the matching of the precooling condenser 15 and the evaporative cooling pipe 13, the temperature of the secondary refrigerant 12 can be reduced, the circulating pump 10 operates, and the secondary refrigerant 12 enters the precooling heat exchanger 6 through the secondary refrigerant liquid inlet pipe 9, so that the temperature of the precooling heat exchanger 6 is reduced, air with higher temperature in the refrigerator carriage 1 enters the heat exchange box 5, the temperature is reduced after passing through the precooling heat exchanger 6, the air enters the refrigerator carriage 1 through the air inlet pipe 8, and the air in the refrigerator carriage 1 can quickly achieve the precooling effect through the repeated circulating refrigeration. The utility model discloses convenient to use can cool off the air in the carriage fast, has shortened cooling time, has improved work efficiency to a certain extent.
The working principle is as follows: when the refrigerator car condensing unit 2 is matched with the refrigerator car evaporator 3 to cool the interior of the refrigerator car 1, the refrigerator car condensing unit 2 and the refrigerator car evaporator 3 are in a closed state at the moment, when the refrigerator car needs to be quickly precooled and cooled when parked, two first stop valves 16 are opened, a cold air direct supply system is provided with a circulating air pipe communicated with the air outlet pipe 4 and the air inlet pipe 8 of the car, air with high temperature in the refrigerator car 1 enters the heat exchange box 5 through the air outlet pipe 4, the fan 7 is started, the fan 7 can boost the pressure of the air entering the heat exchange box 5 to enable the air to quickly enter the refrigerator car 1 from the air inlet pipe 8, the circulating pumps 10 and the compressor 14 are started simultaneously, and the compressor 14 works through the matching of the precooling condenser 15 and the evaporation cooling pipe 13, the temperature of the secondary refrigerant 12 can be reduced, the circulating pump 10 is operated, the secondary refrigerant 12 enters the precooling heat exchanger 6 through the secondary refrigerant liquid inlet pipe 9, so that the temperature of the precooling heat exchanger 6 is reduced, air with higher temperature in the refrigerator carriage 1 enters the heat exchange box 5, the temperature is reduced after passing through the precooling heat exchanger 6, the air enters the refrigerator carriage 1 through the air inlet pipe 8, and the air in the refrigerator carriage 1 can quickly achieve the precooling effect through repeated circulating refrigeration.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. Quick precooling system of refrigerator car cold wind direct-feed type, including refrigerator wagon (1), its characterized in that: one side of the refrigerator van (1) is fixedly provided with a refrigerator car condensing unit (2), one side inner wall of the refrigerator van (1) is fixedly provided with a refrigerator car evaporator (3), the refrigerator car evaporator (3) is connected with the refrigerator car condensing unit (2), one side of the refrigerator van (1) is provided with an air outlet pipe (4) and an air inlet pipe (8), one side of the refrigerator van (1) is provided with a heat exchange box (5), the air outlet pipe (4) and the air inlet pipe (8) are communicated with the heat exchange box (5), a precooling heat exchanger (6) is arranged in the heat exchange box (5), the top of the heat exchange box (5) is provided with a fan (7), the precooling heat exchanger (6) is provided with a secondary refrigerant liquid inlet pipe (9), the secondary refrigerant liquid inlet pipe (9) is provided with a circulating pump (10), one side of the refrigerator van (1) is provided with a secondary refrigerant solution box (11), the secondary refrigerant liquid inlet pipe (9) is communicated with the secondary refrigerant solution tank (11), a secondary refrigerant (12) is arranged in the secondary refrigerant solution tank (11), an evaporation refrigerating pipe (13) is arranged in the secondary refrigerant solution tank (11), a compressor (14) is arranged at one end of the evaporation refrigerating pipe (13), and a precooling condenser (15) is arranged on one side of the compressor (14).
2. A refrigerator car cold air direct-supply type rapid precooling system according to claim 1, wherein: the air outlet pipe (4) and the air inlet pipe (8) are both provided with a first stop valve (16).
3. A refrigerator car cold air direct-supply type rapid precooling system according to claim 1, wherein: and a secondary refrigerant liquid outlet pipe is arranged on the precooling heat exchanger (6), and is communicated with the secondary refrigerant solution tank (11).
4. A refrigerator car cold air direct-supply type rapid precooling system according to claim 1, wherein: the fan blades of the fan (7) are arranged in the heat exchange box (5), and an output shaft of the fan (7) is rotatably connected with the heat exchange box (5).
5. A refrigerator car cold air direct-supply type rapid precooling system according to claim 1, wherein: two refrigerating machine tubes are arranged on the pre-cooling condenser (15), the two refrigerating machine tubes are respectively communicated with the compressor (14) and the evaporation refrigerating pipe (13), a second stop valve (17) is arranged on the evaporation refrigerating pipe (13), and the second stop valve (17) is connected with the corresponding refrigerating machine tube.
6. A refrigerator car cold air direct-supply type rapid precooling system according to claim 1, wherein: and a mounting plate is arranged on one side of the secondary refrigerant solution tank (11), and the compressor (14) and the precooling condenser (15) are both fixedly mounted on the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921014948.7U CN210478350U (en) | 2019-07-02 | 2019-07-02 | Cold air direct supply type quick precooling system of refrigerator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921014948.7U CN210478350U (en) | 2019-07-02 | 2019-07-02 | Cold air direct supply type quick precooling system of refrigerator car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210478350U true CN210478350U (en) | 2020-05-08 |
Family
ID=70529590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921014948.7U Expired - Fee Related CN210478350U (en) | 2019-07-02 | 2019-07-02 | Cold air direct supply type quick precooling system of refrigerator car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210478350U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895209A (en) * | 2021-09-17 | 2022-01-07 | 江苏星星冷链科技有限公司 | Comprehensive heat exchange uniform-temperature refrigerating and fresh-keeping transportation device |
| CN114953928A (en) * | 2022-06-27 | 2022-08-30 | 广州大卡制冷设备有限公司 | Fill cold type cold-stored transportation system |
-
2019
- 2019-07-02 CN CN201921014948.7U patent/CN210478350U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895209A (en) * | 2021-09-17 | 2022-01-07 | 江苏星星冷链科技有限公司 | Comprehensive heat exchange uniform-temperature refrigerating and fresh-keeping transportation device |
| CN114953928A (en) * | 2022-06-27 | 2022-08-30 | 广州大卡制冷设备有限公司 | Fill cold type cold-stored transportation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200508 Termination date: 20200702 |