CN108422924B - Self-carrying cold storage tank type refrigeration wagon box and control method - Google Patents
Self-carrying cold storage tank type refrigeration wagon box and control method Download PDFInfo
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- CN108422924B CN108422924B CN201810302862.8A CN201810302862A CN108422924B CN 108422924 B CN108422924 B CN 108422924B CN 201810302862 A CN201810302862 A CN 201810302862A CN 108422924 B CN108422924 B CN 108422924B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/20—Refrigerated goods vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H2001/3286—Constructional features
- B60H2001/3289—Additional cooling source
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Abstract
The invention relates to a refrigerated truck bed, in particular to an internal circulation type refrigerated truck bed which contains a cold storage tank and can realize circulation temperature control, belongs to the field of refrigerated transportation and is characterized in that: the refrigerator wagon box body is in a cuboid shape, the whole refrigerator wagon box body consists of an angle steel framework and a heat insulation board, heat exchange coil pipes are arranged on the inner surfaces of the top, the left side and the right side of the refrigerator wagon box, a cold accumulation tank is arranged in the middle of the front end of the refrigerator wagon box, a cold accumulation agent pump seat is arranged on the right side of the middle of the upper surface of the cold accumulation tank, a variable-frequency cold accumulation agent pump is arranged on the pump seat, a cold accumulation agent flow meter is arranged at the outlet of the cold accumulation agent pump, the flow of the cold accumulation agent is powered by the cold accumulation agent pump, and the flow direction of the cold accumulation agent is controlled by a normally-open electromagnetic four-way reversing valve; the nano fluid coolant can realize quick cold charging, so that the time and the cost are saved; by applying the advanced microcomputer and internet of things technology, the temperature of the refrigerated truck box is uniformly distributed, and the damage to refrigerated goods is less; the cold accumulation tank of the refrigerated truck box has large cold accumulation amount, does not need to carry a heavy refrigerating device and an energy-consuming power generation device, and is energy-saving and environment-friendly.
Description
Technical Field
The invention relates to a refrigeration wagon box, in particular to an internal circulation type refrigeration wagon box which contains a cold storage tank and can realize circulation and temperature control, and belongs to the field of refrigeration transportation.
Background
The food refrigeration chain comprises 4 links of low-temperature processing, low-temperature storage, low-temperature transportation and distribution and low-temperature sale. The low-temperature transportation and distribution refer to low-temperature state transportation in logistics links such as medium-distance transportation, long-distance transportation and short-distance distribution of food, and the refrigeration chain equipment mainly related to the low-temperature transportation links comprises low-temperature transportation tools such as refrigerated cars, railway refrigerated trucks, refrigerated ships and refrigerated containers.
The form of the refrigeration chain in China is relatively laggard, mainly because the refrigeration chain is not really formed in China, wherein low-temperature transportation and distribution are also a crucial part; the refrigeration mode of the low-temperature transportation equipment mainly comprises mechanical refrigeration, freezing plate refrigeration, liquid nitrogen refrigeration, dry ice refrigeration and ice-cold refrigeration, and the mechanical refrigeration is mainly used at present; however, the mechanical refrigeration adopts a mechanical refrigeration mode, and the mode needs to carry a heavy refrigeration device and an energy-consuming power generation device, so that the refrigeration efficiency is low and the energy consumption is large; the temperature of the mechanical refrigeration and cold storage compartment is uneven, so that the corrosion of goods in the compartment is easily caused; the cold accumulation plate type refrigerated truck box has insufficient cold accumulation amount and low adaptability due to difficult temperature control in the refrigerated truck box; the refrigeration of the liquid nitrogen and the dry ice needs to use a pressure container, so that the safety is reduced to some extent; therefore, a cold storage device with uniform temperature distribution in the refrigerator, convenient operation and management, low energy consumption, large cold quantity and safe transportation is needed to be invented so as to meet the requirements of low-temperature transportation and distribution links of a refrigeration chain.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the internal circulation type refrigeration wagon box has the advantages of uniform temperature distribution in the box, convenience in operation and management, low energy consumption, large cooling capacity, safety in transportation, storage of a cold tank and capability of realizing circulation and temperature control.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a from cold-storage tank formula refrigerator-carriage and control method, including control system, refrigerator-carriage body, bottom half heat preservation heat insulating board, box top heat preservation heat insulating board, box the place ahead heat preservation heat insulating board, box left side heat preservation heat insulating board, box right side heat preservation heat insulating board, box rear portion heat preservation insulated door, top heat transfer coil, left side heat transfer coil, right side heat transfer coil, hold cold jar, nano-fluid coolant, coolant pump, coolant flow meter, coolant circulation pipeline, electromagnetism four-way reversing valve, fill the manual stop valve of coolant, arrange the manual stop valve of coolant, heat transfer coil imports and exports manual stop valve, balanced pressure regulating valve, a weighing transducer, a humidity transducer, the battery electric cabinet, fill the coolant mouth of pipe case, its characterized in that: the refrigerator wagon box body is cuboid, the whole refrigerator wagon box body consists of an angle steel framework and a heat insulation board, heat exchange coil pipes are arranged on the inner surfaces of the top, the left side and the right side of the refrigerator wagon box body, and manual stop valves are arranged at the inlet and the outlet of each heat exchange coil pipe; the cold storage tank is arranged in the middle of the front end of the refrigerator wagon body, a cold storage agent discharge pipeline interface is arranged on the lower portion of the left side of the cold storage tank, a cold storage agent filling pipeline interface is arranged on the upper portion of the left side of the cold storage tank, a cold storage agent discharge manual stop valve and a cold storage agent charging manual stop valve are respectively arranged on the two pipelines, a cold storage agent pump pipeline interface is arranged in the middle of the upper surface of the cold storage tank, a pipeline of the cold storage agent pump pipeline interface extends to the inner bottom of the cold storage tank, a cold storage agent return pipeline interface is arranged outside the middle of the upper surface of the cold storage tank, a cold storage agent flow meter is arranged in the cold storage tank, an electromagnetic four-way reversing valve seat is arranged in the middle of the upper surface of the cold storage tank, a normally open electromagnetic four-way reversing valve is arranged on the valve seat, a cold storage agent pump seat is arranged on the right side of the middle of the upper surface of the cold storage tank, a variable frequency cold storage agent pump, a cold storage agent flow meter is arranged in the outlet of the cold storage agent pump pipe, an electromagnetic four-way reversing valve seat is connected with one end of the electromagnetic four-way reversing valve through a pipeline, the other end of the cold storage tank is connected with one end of the heat exchange coil pipe, the cold storage tank, the cold storage coil pipe is connected with the inner surface of the left side of the heat exchange coil pipe of the refrigerator wagon body, and the heat exchange coil pipe on the heat exchange coil pipe.
The refrigerator wagon box body is assembled by angle steel and heat-insulation boards, and all components are sealed by heat-insulation silica gel; the junction of the refrigerated truck box and the truck box door is provided with heat insulation pressure silica gel for sealing.
Wherein, the volume of cold storage tank is less than the volume of refrigeration railway carriage body.
The width of the refrigerated truck box body is equal to the sum of the widths of the storage battery electric cabinet, the storage tank and the pipe orifice box for charging and discharging the coolant.
The heat exchange coil is attached to the inner surfaces of the two sides and the top of the refrigerator wagon box body in a snake shape, and is supported and fixed by an aluminum frame with good heat conduction.
The heat exchange coil pipes on the two sides of the refrigerator wagon body are symmetrically installed, and a balance pressure regulating valve is arranged on a coolant conveying pipeline connected with the heat exchange coil pipes on the two sides of the refrigerator wagon body, so that the same resistance of conveying the coolant to the left heat exchange coil pipe, the right heat exchange coil pipe and the top heat exchange coil pipe is ensured.
Wherein, the direction of the fluid in the pipe changed by the electromagnetic four-way reversing valve is as follows: the flow can be changed into the cold storage agent return pipeline interface, the three heat exchange coil pipes, the electromagnetic four-way reversing valve, the cold storage agent pump pipeline interface of the cold storage tank, the electromagnetic four-way reversing valve, the cold storage agent pump, the electromagnetic four-way reversing valve and the cold storage agent pump pipeline interface of the cold storage tank.
The storage battery electric cabinet comprises a storage battery, a touch display screen, a single chip microcomputer control system and a frequency converter.
The cold accumulation agent is a nano fluid cold accumulation agent and consists of deionized water, aluminum oxide nano particles, a dispersing agent SDS, a sodium hydroxide solution and a hydrogen chloride solution.
Compared with the prior art, the invention has the beneficial effect that.
The self-carrying cold storage tank type refrigeration wagon box has the advantages of uniform temperature distribution, less damage to refrigerated goods, convenient operation and management, no need of carrying an energy-consuming compressor and a power generation device, low energy consumption, convenient cold storage agent charging and discharging, large cooling capacity and low operation cost.
Drawings
The invention is further illustrated by means of the attached drawings, the content of which is not in any way limitative of the invention.
Fig. 1 is an assembly view of a three-dimensional structure of a refrigerated truck bed with a cold accumulation tank of the invention.
Fig. 2 is a schematic structural diagram of a cold storage tank in a refrigerated truck bed with a cold storage tank of the invention.
FIG. 3 is a schematic structural view of the present invention, showing the disassembly of the top thermal insulation board from the refrigerated truck bed with cold storage tank.
FIG. 4 is a schematic structural view of the left side heat-insulating plate disassembled from the refrigerated truck bed with the cold storage tank of the present invention.
Fig. 5 is a structural schematic diagram of the right side heat-insulating board disassembled from the cold storage tank type refrigerated truck bed.
FIG. 6 is an assembly view of the three-dimensional structure of the refrigerated truck bed with cold accumulation tank for disassembling the top, left and right heat insulation boards.
Fig. 1 to 6 include:
1-a refrigerator wagon body; 2-top heat preservation and insulation board;
3-bottom heat preservation and insulation board; 4-left side heat preservation and insulation board;
5-right side heat preservation and insulation board; 6-front heat preservation and insulation board;
7-heat preservation and insulation door; 8-electric control box of accumulator;
9-electric control box door of accumulator; 10-charging and discharging a coolant pipe orifice box;
11-charging and discharging pipe mouth box door of coolant; 12-stop valve for charging coolant;
13-cold-storage agent discharge stop valve; 14-top heat exchange coil;
15-left heat exchange coil; 16-right side heat exchange coil;
17-cold storage tank; 18-pipe interface for charging coolant;
19-pipe interface for discharging cold-storage agent; 20-pump seat;
21-valve seat; 22-coolant pump pipe interface;
23-coolant return line interface; 24-coolant pump;
25-normally open electromagnetic four-way change valve; 26-flow meter;
27-balance pressure regulating valve I; 28-balance pressure regulating valve II;
29-stop valve one; 30-stop valve two;
31-stop valve III; 32-stop valve four;
33-stop valve five; 34-stop valve six;
35-pipe one; 36-pipe two;
37-line three; 38-conduit four;
39-pipe five; 40-pipeline six;
41-conduit seven; 42-conduit eight;
43-conduit nine; 44-conduit ten;
45-tube eleven; 46-angle steel.
Detailed description of the preferred embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and the detailed description thereof.
As shown in figures 1, 2, 3, 4, 5 and 6, the self-carrying cold storage tank type refrigeration truck box and the control method thereof comprise a control system, a refrigeration truck box body 1, a box bottom heat preservation and insulation board 3, a box top heat preservation and insulation board 2, a box front heat preservation and insulation board 6, a box left heat preservation and insulation board 4, a box right heat preservation and insulation board 5, a box rear heat preservation and insulation door 7, a refrigeration truck box body 1 top heat exchange coil pipe 14, a refrigeration truck box body left heat exchange coil pipe 15, a refrigeration truck box body right heat exchange coil pipe 16, a cold storage tank 17, a nano fluid cold storage agent, a cold storage agent pump 24, a cold storage agent flow meter 26, a cold storage agent circulation conveying pipeline, an electromagnetic four-way reversing valve 25, a cold storage agent charging stop valve 12, a cold storage agent discharging stop valve 13, a heat exchange coil pipe inlet and outlet manual stop valve, a balance pressure regulating valve, a temperature sensor, a humidity sensor, a storage battery electric cabinet 9 and a cold storage agent charging and discharging connection 10, the refrigerator wagon box body 1 is rectangular, the whole refrigerator wagon box body 1 is composed of an angle iron 46 framework and a heat insulation board, a heat exchange coil 14 is arranged on the inner surface of the top of the refrigerator wagon box body 1, manual stop valves are arranged at the inlet and the outlet of the heat exchange coil, a heat exchange coil 15 is arranged on the inner surface of the left side of the refrigerator wagon box body 1, a manual stop valve is arranged at the inlet and the outlet of the heat exchange coil, a heat exchange coil 16 is arranged on the inner surface of the right side of the refrigerator wagon box body 1, a manual stop valve is arranged at the inlet and the outlet of the heat exchange coil, a cold storage tank 17 is arranged in the middle of the front end of the refrigerator wagon box body 1, a cold storage agent discharging pipeline connector 19 is arranged at the lower part of the left side of the cold storage tank 17, a cold storage agent discharging manual stop valve 13 is arranged on a pipeline of the cold storage agent discharging pipeline connector 19, a cold storage agent charging pipeline connector 18 is arranged at the upper part of the left side of the cold storage tank 17, a manual stop valve 12 for cold-storage agent is arranged on the pipeline of the cold-storage agent charging pipeline interface 18, a cold-storage agent pump pipeline interface 22 is arranged in the middle of the upper surface of the cold-storage tank 17, an interface pipeline of the cold-storage agent pump pipeline interface 22 extends to the bottom in the cold-storage tank 17, a cold-storage agent return pipeline interface 23 is arranged outside the middle of the upper surface of the cold-storage tank 17, the pipeline of the cold-storage agent pump pipeline interface 22 extends to the inner surface of the cold-storage tank 17, a valve seat 21 of an electromagnetic four-way reversing valve 25 is arranged in the middle of the upper surface of the cold-storage tank 17, the electromagnetic four-way reversing valve 25 is arranged on the valve seat 21, a pump seat 20 of the cold-storage agent pump 24 is arranged on the right side of the middle of the upper surface of the cold-storage tank 17, a variable-frequency cold-storage agent pump 24 is arranged on the pump seat 20, and a cold-storage agent flow meter 26 is arranged at the outlet of the cold-storage agent pump 24, the outlet of the pipeline of the flowmeter 26 is connected with one end of an electromagnetic four-way reversing valve 25 through a pipeline three 37, the other end of the flowmeter carries the coolant to a left heat exchange coil 15, a right heat exchange coil 16 and a top heat exchange coil 14 of the refrigerated truck box body 1 through a pipeline four 38, the outlet of the heat exchange coil is connected to a coolant return pipeline interface 23 of a cold storage tank 17 through a pipeline, the left heat exchange coil 15 of the refrigerated truck box body 1 is arranged in the middle of the inner surface of a left heat insulation partition 4 of the refrigerated truck box body 1, the heat exchange coil 16 on the right side of the refrigerated truck box body 1 is arranged in the middle of the inner surface of a right heat insulation board 5 of the refrigerated truck box body 1, and the heat exchange coil 14 on the top of the refrigerated truck box body 1 is arranged in the middle of the inner surface of a heat insulation board 2 on the top of the refrigerated truck box body.
The refrigerator wagon box body 1 is assembled by angle steel 46 and a heat insulation board, and all components are sealed by heat insulation silica gel; the refrigerator wagon box body 1 is provided with a heat insulation door 7, and the joint of the refrigerator wagon box body 1 and the heat insulation door 7 is provided with heat insulation pressure silica gel for sealing.
Wherein, the volume of the cold storage tank 17 is smaller than that of the refrigerator wagon body 1.
The width of the refrigerator wagon body 1 is equal to the sum of the widths of the storage battery electric cabinet 8, the cold accumulation tank 17 and the pipe orifice box 10 for charging and discharging cold accumulation agent.
The heat exchange coil is attached to the inner surfaces of the two sides and the top of the refrigerated truck bed body 1 in a snake shape, and is supported and fixed by an aluminum frame with good heat conduction.
The heat exchange coil pipes on the two sides of the refrigerator wagon body 1 are symmetrically installed, and a balance pressure regulating valve is arranged on a coolant conveying pipeline connected with the heat exchange coil pipes on the two sides of the refrigerator wagon body 1, so that the same resistance force is ensured when the coolant is conveyed to the heat exchange coil pipes on the two sides and the top of the refrigerator wagon body 1.
The direction of the fluid in the pipe changed by the electromagnetic four-way reversing valve 25 is as follows: the cold storage agent pump pipeline interface 22 of the cold storage tank 17, the electromagnetic four-way reversing valve 25, the cold storage agent pump 24, the electromagnetic four-way reversing valve 25, the three heat exchange coils and the cold storage agent return pipeline interface 23 of the cold storage tank are changed into the cold storage agent return pipeline interface 23 of the cold storage tank 17, the three heat exchange coils, the electromagnetic four-way reversing valve 25, the cold storage agent pump 24, the electromagnetic four-way reversing valve 25 and the cold storage agent pump pipeline interface 22 of the cold storage tank 17.
The storage battery electric control box 8 comprises a storage battery, a touch display screen, a single chip microcomputer control system and a frequency converter.
The cold accumulation agent is a nano fluid cold accumulation agent and consists of deionized water, aluminum oxide nano particles, a dispersing agent SDS, a sodium hydroxide solution and a hydrogen chloride solution.
When the refrigerated truck box body 1 works, the refrigerated truck box body 1 is installed on a truck, the truck box is transported into a refrigeration house, a cold storage agent charging pipeline interface 18 on a cold storage tank 17 in the refrigerated truck box 1 is connected with a cold storage agent charging pipeline in the refrigeration house, then a cold storage agent charging stop valve 12 in the refrigerated truck box 1 is opened, meanwhile, a cold storage agent discharging stop valve 13 is ensured to be closed, low-temperature cold storage agent in the refrigeration house is charged into the cold storage tank 17 from the cold storage agent charging pipeline interface, a liquid level sensor in a storage battery electric cabinet 8 detects the liquid level in the cold storage tank 17, when the liquid level reaches a set position below the cold storage agent return pipeline interface 18, a control system sends a 'cold charging completion' voice prompt to stop cold charging, the cold storage agent charging stop valve 12 is closed, and then refrigerated goods such as fruits and vegetables are loaded into the refrigeration transport. During the transportation, monitor by control system drive temperature sensor to this internal temperature everywhere of refrigerator wagon, when the high temperature, then drive coolant pump 24 and send the coolant to three heat transfer coil pipe, take away the heat in the refrigerator wagon body. The flow direction of the coolant is as follows: the cold storage tank 17, the cold storage pump pipeline interface 22, the pipeline I35, the normally open electromagnetic four-way reversing valve 25, the pipeline II 36, the cold storage pump 24, the flow meter 26, the pipeline III 37, the normally open electromagnetic four-way reversing valve 25, the pipeline IV 38, the pipeline V39, the pipeline VI 40, the pipeline VII 41, the left heat exchange coil 15, the right heat exchange coil 16, the top heat exchange coil 14, the pipeline VIII 42, the pipeline VII, the pipeline VIII 45, the cold storage agent return pipeline interface 23 and the cold storage tank; when the change of the peripheral cold load is too large, the control system changes the frequency through controlling the frequency converter to adjust the rotating speed of the coolant pump so as to change the flow of the coolant, so that the temperature in the refrigerator wagon body is kept relatively stable, when the temperature in the refrigerator wagon body 1 is too low, the control system drives the electromagnetic four-way reversing valve 25 to be electrified so as to enable the coolant to reversely flow, the coolant in the heat exchange coil is pumped back to the coolant storage tank 17, and because a coolant return pipeline does not extend below the liquid level of the coolant, the coolant circulation cannot be caused when the coolant in the pipeline reversely flows, so that the temperature in the refrigerator wagon body 1 is not continuously reduced any more, and the damage to goods is avoided; the control system is connected with a mobile phone through a Bluetooth technology, the temperature and humidity in the refrigerator wagon body 1, the oxygen content and the carbon dioxide content in the air are fed back to the mobile phone APP, a driver carries out manual control or selective automatic control according to the condition in the refrigerator wagon body 1, when the cold storage agent leakage, the temperature is too high and cannot be controlled, and equipment and the like are abnormal in the refrigerator wagon body 1, a single-chip microcomputer control system in the storage battery electric control box 8 sends an alarm signal to the mobile phone, and the driver can handle the abnormal condition; in order to meet the requirement, when the transportation route is too far, the cold energy in the cold accumulation tank 17 is insufficient, an intermediate station is built midway, and the transport vehicle reaches the intermediate station to replace the cold accumulation agent which has released the cold energy in the cold accumulation tank 17 with the cold accumulation agent which finishes cold accumulation, so that the transportation on the remaining route is carried out.
The cold storage tank type refrigeration wagon box and the control method have the main advantages that the cold storage tank type refrigeration wagon box is provided with the cold storage tank type refrigeration wagon box.
(1) The cold accumulation tank has large cold accumulation amount, does not need to carry a heavy refrigerating device and an energy-consuming power generation device, and is energy-saving and environment-friendly.
(2) The nano fluid coolant can realize quick cold charging, and saves time and cost.
(3) The temperature of the refrigerated truck box is uniformly distributed, and the corrosion of refrigerated goods is reduced; the intelligent level is higher by applying the advanced microcomputer and internet of things technology.
Claims (7)
1. The utility model provides a from cold-storage tank formula refrigeration railway carriage, including control system, refrigeration railway carriage body, bottom half heat preservation heat insulating board, box top heat preservation heat insulating board, box the place ahead heat preservation heat insulating board, box left side heat preservation heat insulating board, box right side heat preservation heat insulating board, box rear portion heat preservation insulated door, top heat transfer coil, left side heat transfer coil, right side heat transfer coil, hold cold jar, nanometer fluid coolant, the coolant pump, the coolant flowmeter, coolant circulation pipeline, electromagnetism cross-way reversing valve, fill the manual stop valve of coolant, arrange the manual stop valve of coolant, manual stop valve is imported and exported to heat transfer coil, balanced pressure regulating valve, a temperature sensor, a humidity transducer, the battery electric cabinet, fill row coolant mouth of pipe case, its characterized in that: the refrigerator wagon box body is cuboid, the whole refrigerator wagon box body consists of an angle iron framework and a heat insulation board, the inner surfaces of the top, the left side and the right side of the refrigerator wagon box body are respectively provided with a heat exchange coil, the inlet and the outlet of the heat exchange coil are respectively provided with a manual stop valve for the inlet and the outlet of the heat exchange coil, the middle part of the front end of the refrigerator wagon box body is provided with a cold storage tank, the lower part of the left side of the cold storage tank is provided with a cold storage agent discharge pipeline interface, the pipeline of the cold storage agent discharge pipeline interface is provided with a cold storage agent discharge manual stop valve, the upper part of the left side of the cold storage tank is provided with a cold storage agent charging pipeline interface, the pipeline of the cold storage agent charging pipeline interface is provided with a cold storage agent charging manual stop valve, the middle part of the upper surface of the cold storage tank is internally provided with a cold storage agent pump pipeline interface, the pipeline of the cold storage agent pump pipeline interface extends to the inner bottom of the cold storage tank, the middle part of the upper surface of the cold storage tank is externally provided with a cold storage agent return pipeline interface, the pipeline of the cold storage agent return pipeline interface extends to the inner surface of the cold storage tank, the middle part of the upper surface of the cold accumulation tank is provided with an electromagnetic four-way reversing valve seat, the valve seat is provided with a normally open electromagnetic four-way reversing valve, a cold accumulation pump seat is arranged on the right side of the middle part of the upper surface of the cold accumulation tank, a variable-frequency cold accumulation pump is arranged on the pump seat, a cold accumulation flow meter is arranged at the outlet of the cold accumulation pump, the outlet of a pipeline of the flow meter is connected with one end of an electromagnetic four-way reversing valve through a pipeline, the other end of the electromagnetic four-way reversing valve conveys cold accumulation agent to a left heat exchange coil, a right heat exchange coil and a top heat exchange coil of the refrigerated wagon box body through pipelines, the outlet of the heat exchange coils is connected to a cold accumulation return pipeline interface of the cold accumulation tank through a pipeline, and the left heat exchange coil, the right heat exchange coil and the top heat exchange coil are respectively arranged in the middle part of the inner surface of the heat-insulation board on the corresponding side of the refrigerated wagon box body; the direction of the fluid in the pipe changed by the electromagnetic four-way reversing valve is as follows: the cold storage agent pump pipeline interface of the cold storage tank, the electromagnetic four-way reversing valve, the cold storage agent pump, the electromagnetic four-way reversing valve, the three heat exchange coils, the cold storage agent return pipeline interface of the cold storage tank are changed into a cold storage agent return pipeline interface, the three heat exchange coils, the electromagnetic four-way reversing valve, the cold storage agent pump, the electromagnetic four-way reversing valve and the cold storage agent pump pipeline interface of the cold storage tank; the cold accumulation agent is a nanofluid cold accumulation agent and consists of deionized water, aluminum oxide nanoparticles, a dispersing agent SDS, a sodium hydroxide solution and a hydrogen chloride solution.
2. The cold storage tank type refrigerator truck bed with cold storage according to claim 1, characterized in that: the refrigerator wagon box body is assembled by angle steel and heat insulation boards, and all components are sealed by heat insulation silica gel; the refrigerator wagon box body is provided with a wagon door, and the joint of the refrigerator wagon box body and the wagon door is provided with heat insulation pressure silica gel for sealing.
3. The self-contained cold storage tank type refrigerated truck bed as claimed in claim 1, characterized in that: the volume of cold storage tank is less than the volume of the refrigerator wagon box body.
4. The self-contained cold storage tank type refrigerated truck bed as claimed in claim 1, characterized in that: the width of the refrigerated truck box body is equal to the sum of the widths of the storage battery electric cabinet, the storage tank and the pipe orifice box for charging and discharging the coolant.
5. The cold storage tank type refrigerator truck bed with cold storage according to claim 1, characterized in that: the heat exchange coil is snakelike and attached to the inner surfaces of the two sides and the top of the refrigerator wagon box body, and is supported and fixed by an aluminum frame with good heat conduction.
6. The self-contained cold storage tank type refrigerated truck bed as claimed in claim 1, characterized in that: the heat exchange coil pipes on the two sides of the refrigerator wagon box body are symmetrically installed, and a balance pressure regulating valve is arranged on a conveying pipeline connected with the heat exchange coil pipes on the two sides of the refrigerator wagon box body, so that the resistance of conveying a coolant to the left heat exchange coil pipe, the right heat exchange coil pipe and the top heat exchange coil pipe is the same.
7. The cold storage tank type refrigerator truck bed with cold storage according to claim 1, characterized in that: the storage battery electric cabinet comprises a storage battery, a touch display screen, a single chip microcomputer control system and a frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810302862.8A CN108422924B (en) | 2018-04-06 | 2018-04-06 | Self-carrying cold storage tank type refrigeration wagon box and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810302862.8A CN108422924B (en) | 2018-04-06 | 2018-04-06 | Self-carrying cold storage tank type refrigeration wagon box and control method |
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| Publication Number | Publication Date |
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| CN108422924A CN108422924A (en) | 2018-08-21 |
| CN108422924B true CN108422924B (en) | 2023-03-28 |
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| CN201810302862.8A Active CN108422924B (en) | 2018-04-06 | 2018-04-06 | Self-carrying cold storage tank type refrigeration wagon box and control method |
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| CN111002790B (en) * | 2019-06-04 | 2023-06-23 | 深圳市布博卡科技有限公司 | Freight refrigeration system and heat preservation logistics box group thereof |
| CN110436066A (en) * | 2019-08-30 | 2019-11-12 | 中车长江车辆有限公司 | Frozen products insulated container |
| CN113175774B (en) * | 2020-06-05 | 2023-03-24 | 中国科学院青海盐湖研究所 | Refrigerator, refrigerator car and refrigerating method thereof |
| CN111591203B (en) * | 2020-06-06 | 2021-07-30 | 广州极速制冷设备有限公司 | LNG, liquid nitrogen, cold-storage agent joint refrigeration cold chain logistics container car |
| CN112027311A (en) * | 2020-09-15 | 2020-12-04 | 屠伟珍 | Multi-heat-pipe temperature-control cold-chain logistics box capable of being flexibly adjusted |
| WO2022228570A1 (en) * | 2021-04-30 | 2022-11-03 | 浙江雪波蓝科技有限公司 | Unit distribution box and cold chain system having same |
| CN114013237A (en) * | 2021-10-27 | 2022-02-08 | 合肥通用机械研究院有限公司 | Vehicle-mounted 5G refrigeration and cold supplement system |
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| JP2004125229A (en) * | 2002-09-30 | 2004-04-22 | Eizo Taira | Low temperature delivery system of fresh food and cold accumulator of on-vehicle refrigerating container used therefor |
| CN200946879Y (en) * | 2006-08-26 | 2007-09-12 | 宋绍辉 | Refrigerating air-conditioning apparatus |
| JP5076231B2 (en) * | 2006-12-28 | 2012-11-21 | 株式会社前川製作所 | Cold storage method and system for cold cars |
| CN103692950A (en) * | 2013-12-24 | 2014-04-02 | 澳柯玛股份有限公司 | Coil evaporative mobile refrigerator |
| CN205523900U (en) * | 2016-04-20 | 2016-08-31 | 河南松川专用汽车有限公司 | Refrigerator car and refrigerator van , heated board and inner skin thereof |
| CN206094684U (en) * | 2016-10-18 | 2017-04-12 | 廖启利 | Automatic filling machine of cold -accumulating fluid |
| CN206446502U (en) * | 2016-11-14 | 2017-08-29 | 广州聚联物流有限公司 | A kind of zero oil consumption is without electric container refrigeration fresh-keeping vehicle |
| CN206563380U (en) * | 2017-01-22 | 2017-10-17 | 中国航天建设集团有限公司 | A kind of system antifreeze for cold-storage water pot |
| CN207094915U (en) * | 2017-11-21 | 2018-03-13 | 李沛龙 | A kind of constant temperature cold-keeping device stored using natural cooling source |
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