CN212473246U - Agricultural product low temperature warehousing and transportation equipment based on two cold sources are complementary - Google Patents
Agricultural product low temperature warehousing and transportation equipment based on two cold sources are complementary Download PDFInfo
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- CN212473246U CN212473246U CN202021536589.4U CN202021536589U CN212473246U CN 212473246 U CN212473246 U CN 212473246U CN 202021536589 U CN202021536589 U CN 202021536589U CN 212473246 U CN212473246 U CN 212473246U
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- 230000000295 complement effect Effects 0.000 title claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 117
- 238000004321 preservation Methods 0.000 claims abstract description 31
- 239000003507 refrigerant Substances 0.000 claims description 50
- 238000009413 insulation Methods 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 abstract description 11
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to an agricultural product low temperature warehousing and transportation is equipped based on two cold sources are complementary, including the heat preservation carriage of cuboid, heat preservation carriage bottom is equipped with the low temperature water tank, and the both sides in heat preservation carriage are equipped with the high temperature water tank that is linked together, and the refrigerator is installed to the front end in heat preservation carriage, and the refrigerator includes built-in evaporimeter, compressor, condenser, expansion valve, installs external evaporimeter in the heat preservation carriage. The utility model has the advantages that: the low-temperature storage and transportation equipment for the agricultural products is matched with a cold accumulation technology by means of mechanical refrigeration, so that the mechanical refrigeration efficiency is improved, the energy consumption of the mechanical refrigeration is reduced, and the low-temperature transportation cost of the agricultural products is reduced.
Description
Technical Field
The utility model relates to a cold chain transportation field especially relates to an agricultural product low temperature warehousing and transportation equipment based on two cold sources are complementary.
Background
The existing refrigerated transport equipment mainly obtains a cold source by a mechanical refrigeration mode. The refrigerant is changed into high-temperature and high-pressure gas through the compressor, the gas flows through the condenser to release heat and is changed into high-temperature and high-pressure liquid, then the high-temperature and high-pressure liquid is formed through the expansion valve to form medium-temperature and low-pressure atomized liquid, and the medium-temperature and low-pressure atomized liquid flows through the evaporator to absorb heat in a carriage, so that the surface temperature of agricultural products is. The mechanical refrigeration efficiency is high, but the energy consumption is also high, and the transportation cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above problem that prior art exists, provide an agricultural product low temperature warehousing and transportation equipment based on two cold sources are complementary.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
the agricultural product low-temperature storage and transportation equipment based on double cold source complementation comprises a cuboid heat preservation carriage, wherein a low-temperature water tank is arranged at the bottom of the heat preservation carriage, high-temperature water tanks communicated with each other are arranged on two sides of the heat preservation carriage, a refrigerator is arranged at the front end of the heat preservation carriage, the refrigerator comprises a built-in evaporator, a compressor, a condenser and an expansion valve, and an external evaporator is arranged in the heat preservation carriage; the water inlet of the built-in evaporator is communicated with the water outlet of the high-temperature water tank, the water outlet of the built-in evaporator is communicated with the water inlet of the low-temperature water tank, the water outlet of the low-temperature water tank is communicated with the water inlet of the high-temperature water tank, the refrigerant outlet of the expansion valve is respectively communicated with the refrigerant inlet of the built-in evaporator and the refrigerant inlet of the external evaporator, the refrigerant inlet of the compressor is respectively communicated with the refrigerant outlet of the built-in evaporator and the refrigerant outlet of the external evaporator, and the refrigerant inlet and the refrigerant outlet of the condenser are respectively communicated with the refrigerant outlet of the compressor and the refrigerant inlet of.
Furthermore, a plurality of hollow support bars protruding upwards are arranged at the top of the low-temperature water tank, and a ventilation groove is formed between every two adjacent hollow support bars.
Furthermore, a porous support plate for supporting the hollow support bars is fixedly connected in the low-temperature water tank.
Furthermore, a heat insulation pad is laid at the bottom of the low-temperature water tank, and the high-temperature water tank is wrapped in a heat insulation sleeve.
Further, the built-in evaporator is a shell-and-tube evaporator, and the external evaporator is a calandria evaporator.
Furthermore, a vehicle-mounted generator is further installed at the front end of the heat preservation carriage and supplies power to the refrigerator.
Further, the water inlet of the built-in evaporator is communicated with the water outlet of the high-temperature water tank through a water supply pipeline connected with a water supply valve in series, the water outlet of the built-in evaporator is communicated with the water inlet of the low-temperature water tank through a water return pipeline, the water outlet of the low-temperature water tank is communicated with the water inlet of the high-temperature water tank through a water pumping pipeline connected with a water pump in series, the refrigerant outlet of the expansion valve is communicated with the refrigerant inlet of the built-in evaporator through a first pipeline connected with a first valve in series, the refrigerant outlet of the expansion valve is communicated with the refrigerant inlet of the external evaporator through a second pipeline connected with a second valve in series, the refrigerant inlet of the compressor is communicated with the refrigerant outlet of the built-in evaporator through a third pipeline connected with a third valve in series, and the refrigerant outlet of the external evaporator is communicated through.
Furthermore, an isolation grid for preventing the external evaporator from being extruded by goods is arranged behind the external evaporator in the heat preservation carriage.
Further, the condenser is an air-cooled condenser.
Further, a thermometer is installed in the low-temperature water tank.
The utility model has the advantages that: mechanical refrigeration and cold accumulation technologies are combined, high-temperature water is made into low-temperature water by utilizing the mechanical refrigeration during the power consumption peak valley and stored in a low-temperature water tank, the purpose of low-temperature cold accumulation is achieved, then after the power consumption peak valley is finished, the temperature in the heat-insulation carriage is reduced by depending on cold energy stored in the low-temperature water tank until the cold energy in the low-temperature water tank is released completely, and the mechanical refrigeration is started to provide a low-temperature environment for the heat-insulation carriage; the low-temperature storage and transportation equipment for the agricultural products is matched with a cold accumulation technology by means of mechanical refrigeration, so that the mechanical refrigeration efficiency is improved, the energy consumption of the mechanical refrigeration is reduced, and the low-temperature transportation cost of the agricultural products is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a refrigerating part of the low-temperature agricultural product storage and transportation equipment in the embodiment of the invention;
FIG. 2 is a schematic view of the external structure of the thermal insulation compartment in the embodiment of the present invention;
fig. 3 is the internal structure schematic diagram of the heat preservation carriage in the embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 3, the agricultural product low-temperature storage and transportation equipment based on double cold source complementation comprises a cuboid heat preservation compartment 100, wherein a low-temperature water tank 6 is arranged at the bottom of the heat preservation compartment 100, high-temperature water tanks 7 communicated with each other are arranged on two sides of the heat preservation compartment 100, a refrigerator 200 is installed at the front end of the heat preservation compartment 100, the refrigerator 200 comprises a compressor 1, a condenser 2, an expansion valve 3 and a built-in evaporator 4, and an external evaporator 5 is installed in the heat preservation compartment 100; the water inlet of the built-in evaporator 4 is communicated with the water outlet of the high-temperature water tank 7, the water outlet of the built-in evaporator 4 is communicated with the water inlet of the low-temperature water tank 6, the water outlet of the low-temperature water tank 6 is communicated with the water inlet of the high-temperature water tank 7, the refrigerant outlet of the expansion valve 3 is respectively communicated with the refrigerant inlet of the built-in evaporator 4 and the refrigerant inlet of the external evaporator 5, the refrigerant inlet of the compressor 1 is respectively communicated with the refrigerant outlet of the built-in evaporator 4 and the refrigerant outlet of the external evaporator 5, the refrigerant inlet and the refrigerant outlet of the condenser 2 are respectively communicated with the refrigerant outlet of the compressor 1 and the refrigerant inlet of the expansion valve 3 through a.
The thermometer is installed in the low-temperature water tank 6, the top of the low-temperature water tank 6 is provided with a plurality of hollow support bars 601 protruding upwards, a ventilation groove 602 is formed between every two adjacent hollow support bars 601, and the ventilation groove 602 improves the ventilation efficiency in the heat preservation carriage 100. The porous supporting plate for supporting the hollow supporting strip 601 is fixedly connected in the low-temperature water tank 6, so that the strength of the hollow supporting strip 601 is improved, and the possibility that the hollow supporting strip 601 is squashed by goods is reduced. The bottom of the low-temperature water tank 6 is paved with a heat insulation pad, and the high-temperature water tank 7 is wrapped in a heat insulation sleeve. The heat exchange between the low-temperature water tank 6 and the high-temperature water tank 7 and the air outside the heat preservation carriage 100 is reduced, and an isolation grid 400 for preventing the external evaporator from being extruded by goods is arranged behind the external evaporator in the heat preservation carriage 100.
The front end of the insulated compartment 100 is also provided with an on-board generator 300, and the on-board generator 300 supplies power to the refrigerator 200. The heat preservation compartment utilizes the on-vehicle generator to generate electricity to supply power to the refrigerator in the running process.
The built-in evaporator 4 is a shell-and-tube evaporator, the external evaporator 5 is a calandria evaporator, the water inlet of the built-in evaporator 4 is communicated with the water outlet of the high-temperature water tank 7 through a water supply pipeline 9 connected with a water supply valve 8 in series, the water outlet of the built-in evaporator 4 is communicated with the water inlet of the low-temperature water tank 6 through a water return pipeline 10, the water outlet of the low-temperature water tank 6 is communicated with the water inlet of the high-temperature water tank 7 through a water suction pipeline 12 connected with a water pump 11 in series, the refrigerant outlet of the expansion valve 3 is communicated with the refrigerant inlet of the built-in evaporator 4 through a first pipeline 14 connected with a first valve 13 in series, the refrigerant outlet of the expansion valve 3 is communicated with the refrigerant inlet of the external evaporator 5 through a second pipeline 16 connected with a second valve 15 in series, the refrigerant inlet of the compressor 1 is communicated with the, the refrigerant outlet of the circumscribed evaporator 5 is connected to a fourth pipe 20 connected in series with a fourth valve 19, and a pipe 21 connecting the condenser 2 and the expansion valve 3 is connected in series with a filter 22.
The working principle is as follows: when the peak and valley of electricity consumption is finished at night, the power grid is used for supplying power to the refrigerating machine, the second valve and the fourth valve are closed, the external evaporator does not work, the water feeding valve, the first valve and the third valve are opened, the internal evaporator works, high-temperature water in the high-temperature water tank is made into low-temperature water through the internal evaporator and is stored in the cold water tank, the upper part of the low-temperature water tank is directly exposed in the heat preservation carriage, so that low-temperature environment can be provided for the heat preservation carriage, after the peak and valley of electricity consumption is finished, when the temperature of the water in the low-temperature water tank is increased to be incapable of providing low-temperature environment for the heat preservation carriage, the water in the low-temperature water tank is pumped into the high-temperature water tank, the water feeding valve, the first valve and the third valve are closed, the internal evaporator does not work, the second valve and the fourth valve are opened, the external evaporator, thereby reducing the temperature in the insulated compartment.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides an agricultural product low temperature warehousing and transportation equipment based on two cold sources are complementary, includes the heat preservation carriage of cuboid, its characterized in that: the refrigerator comprises a built-in evaporator, a compressor, a condenser and an expansion valve, wherein a low-temperature water tank is arranged at the bottom of the heat preservation carriage, high-temperature water tanks communicated with each other are arranged on two sides of the heat preservation carriage, the refrigerator is arranged at the front end of the heat preservation carriage and comprises the built-in evaporator, the compressor, the condenser and the expansion valve, and an external evaporator is arranged in the heat preservation carriage; the water inlet of the built-in evaporator is communicated with the water outlet of the high-temperature water tank, the water outlet of the built-in evaporator is communicated with the water inlet of the low-temperature water tank, the water outlet of the low-temperature water tank is communicated with the water inlet of the high-temperature water tank, the refrigerant outlet of the expansion valve is respectively communicated with the refrigerant inlet of the built-in evaporator and the refrigerant inlet of the external evaporator, the refrigerant inlet of the compressor is respectively communicated with the refrigerant outlet of the built-in evaporator and the refrigerant outlet of the external evaporator, and the refrigerant inlet and the refrigerant outlet of the condenser are respectively communicated with the refrigerant outlet of the compressor and the refrigerant inlet of.
2. The agricultural product low temperature storage and transportation equipment of claim 1, wherein: the top of the low-temperature water tank is provided with a plurality of hollow support bars protruding upwards, and a ventilation groove is formed between every two adjacent hollow support bars.
3. The agricultural product low temperature storage and transportation equipment of claim 2, wherein: and a porous support plate for supporting the hollow support bar is fixedly connected in the low-temperature water tank.
4. The agricultural product low temperature storage and transportation equipment of claim 1, wherein: the bottom of the low-temperature water tank is paved with a heat insulation pad, and the high-temperature water tank is wrapped in a heat insulation sleeve.
5. The agricultural product low temperature storage and transportation equipment of claim 1, wherein: the built-in evaporator is a shell-and-tube evaporator, and the external evaporator is a calandria evaporator.
6. The agricultural product low temperature storage and transportation equipment of claim 1, wherein: and the front end of the heat preservation carriage is also provided with a vehicle-mounted generator which supplies power to the refrigerator.
7. The agricultural product low temperature storage and transportation equipment of claim 1, wherein: the water inlet of the built-in evaporator is communicated with the water outlet of the high-temperature water tank through a water supply pipeline which is connected with a water supply valve in series, the water outlet of the built-in evaporator is communicated with the water inlet of the low-temperature water tank through a water return pipeline, the water outlet of the low-temperature water tank is communicated with the water inlet of the high-temperature water tank through a water pumping pipeline which is connected with a water pump in series, the refrigerant outlet of the expansion valve is communicated with the refrigerant inlet of the built-in evaporator through a first pipeline which is connected with a first valve in series, the refrigerant outlet of the expansion valve is communicated with the refrigerant inlet of the external evaporator through a second pipeline which is connected with a second valve in series, the refrigerant inlet of the compressor is communicated with the refrigerant outlet of the built-in evaporator through a third pipeline which is connected with a third valve in series.
8. The agricultural product low temperature storage and transportation equipment of claim 1, wherein: and an isolation grid for preventing the external evaporator from being extruded by goods is arranged behind the external evaporator in the heat insulation carriage.
9. The agricultural product low temperature storage and transportation equipment of claim 1, wherein: the condenser is an air-cooled condenser.
10. The agricultural product low temperature storage and transportation equipment of claim 1, wherein: and a thermometer is arranged in the low-temperature water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021536589.4U CN212473246U (en) | 2020-07-29 | 2020-07-29 | Agricultural product low temperature warehousing and transportation equipment based on two cold sources are complementary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021536589.4U CN212473246U (en) | 2020-07-29 | 2020-07-29 | Agricultural product low temperature warehousing and transportation equipment based on two cold sources are complementary |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212473246U true CN212473246U (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021536589.4U Expired - Fee Related CN212473246U (en) | 2020-07-29 | 2020-07-29 | Agricultural product low temperature warehousing and transportation equipment based on two cold sources are complementary |
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| Country | Link |
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| CN (1) | CN212473246U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762085A (en) * | 2020-07-29 | 2020-10-13 | 广东新供销天业冷链集团有限公司 | Agricultural product low temperature warehousing and transportation equipment based on two cold sources are complementary |
-
2020
- 2020-07-29 CN CN202021536589.4U patent/CN212473246U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762085A (en) * | 2020-07-29 | 2020-10-13 | 广东新供销天业冷链集团有限公司 | Agricultural product low temperature warehousing and transportation equipment based on two cold sources are complementary |
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| 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: 20210205 |