CN110926048A - Cage type compressed liquid gas refrigerant refrigerating system device - Google Patents

Cage type compressed liquid gas refrigerant refrigerating system device Download PDF

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Publication number
CN110926048A
CN110926048A CN201911212155.0A CN201911212155A CN110926048A CN 110926048 A CN110926048 A CN 110926048A CN 201911212155 A CN201911212155 A CN 201911212155A CN 110926048 A CN110926048 A CN 110926048A
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CN
China
Prior art keywords
valve
pipeline
refrigerating system
compartment
refrigerant
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Pending
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CN201911212155.0A
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Chinese (zh)
Inventor
梁永强
何笃帅
陈立杨
高利剑
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Huachen Special Vehicle Equipment Technology (dalian) Co Ltd
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Huachen Special Vehicle Equipment Technology (dalian) Co Ltd
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Priority to CN201911212155.0A priority Critical patent/CN110926048A/en
Publication of CN110926048A publication Critical patent/CN110926048A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/005Arrangement or mounting of control or safety devices of safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention discloses a cage type compressed liquid gas refrigerant refrigerating system device which mainly comprises a cargo compartment, a refrigerating system and an electrical control system, wherein the refrigerating system comprises a refrigerating system outside the cargo compartment and a refrigerating system inside the cargo compartment, the electrical control system comprises a power supply, an electrical box, an electrical control end, a wiring harness, a display, a control button, recording equipment, a central processing unit, a sensor, an alarm and an electromagnetic valve, the electrical box and the electrical control end are connected through the wiring harness, and the electrical box is connected to a valve system of the refrigerating system outside the cargo compartment through the wiring harness. The cage type compressed liquid gas refrigerant refrigerating system device has the advantages of simple structure, light weight, high cooling speed, no noise, no pollution, energy conservation, low carbon and environmental protection, is particularly used for fluid food transportation, can inhibit food deterioration, prolongs the preservation time, solves the transportation and storage of articles or food with temperature requirements, and accords with the development strategy of advocating green, low carbon, energy conservation and environmental protection in the current society.

Description

Cage type compressed liquid gas refrigerant refrigerating system device
Technical Field
The invention relates to a cage type compressed liquid gas refrigerant refrigerating system device.
Background
In recent years, with the continuous development of fresh and raw electricity suppliers and the continuous improvement of food safety consciousness of Chinese people, cold-chain logistics is developed quickly, so that the collaborative development of the upper and lower industries is driven, and vegetables, meat, seafood, fresh milk, vaccines, milk products and liquid foods also gradually enter the lives of common people; therefore, the transportation and storage of food become an important part in food transportation, which is not good for transportation and storage, often causes pollution and deterioration of food, and is not beneficial to intensive production and processing of bulk commodities for long-distance sale.
Disclosure of Invention
The invention aims to provide a cage type compressed liquid gas refrigerant refrigerating system device which is green, energy-saving, environment-friendly, low in noise, high in refrigerating efficiency and easy to automatically control a temperature range.
The technical scheme adopted by the invention for realizing the purpose is as follows: the utility model provides a cage type compressed liquid gas refrigerant refrigerating system device, mainly includes storehouse (1), refrigerating system and electrical control system, refrigerating system includes refrigerating system outside the storehouse and refrigerating system in the storehouse, refrigerating system outside the storehouse includes temperature sensor (2), manometer (5), relief valve (6), valving (13), filler (14), refrigerant jar (15) and pipeline (23), temperature sensor (2) are installed in first heat preservation (7) of storehouse (1) outer wall, manometer (5) and relief valve (6) are installed on the pipeline between refrigerant jar (15) and filler (14), valving (13) are installed on pipeline (23), pipeline (23) are connected between storehouse (1) and refrigerant jar (15), refrigerating system includes drying chamber (17) in the cargo hold, Transduction pipeline (18), nozzle (19) and first check valve (20), drying chamber (17) are fixed on the inner wall of warehouse (1), transduction pipeline (18) parallel mount is in warehouse (1), parallelly connected transduction pipeline (18) are connected with drying chamber (17) respectively, nozzle (19) and first check valve (20) distribution are installed on every transduction pipeline (18), electrical control system contains power, electric box (3), automatically controlled end (8), pencil (11), display, control button, recording equipment, central processing unit, sensor, siren, solenoid valve, electric box (3) and automatically controlled end (8) are connected through pencil (11), electric box (3) are connected on refrigerating system's outside the warehouse valve system (13) through pencil (11).
Warehouse (1) is tank-type warehouse, including jar body (24), discharge port (4), first heat preservation (7), snuffle valve (9) and manhole cover (10), discharge port (4) set up the bottom at jar body (24), first heat preservation (7) set up on jar body (24) outer wall, manhole cover (10) set up the top at jar body (24), snuffle valve (9) set up on manhole cover (10).
A bin partition plate (21) is arranged in a tank body (24) of the cargo bin (1), the cargo bin (1) is divided into two independent spaces by the bin partition plate (21), and an energy conversion pipeline (18), a nozzle (19) and a first one-way valve (20) which are connected in parallel are arranged in each independent space respectively.
The energy conversion pipeline (18) is installed in series in a tank body (24) of the warehouse (1), and one end of the energy conversion pipeline (18) connected in series is connected to the drying chamber (17).
Warehouse (1) is van-type warehouse, including the railway carriage or compartment body (25), first heat preservation (7), snuffle valve (9) and railway carriage or compartment door (22), first heat preservation (7) set up in the railway carriage or compartment body (25) railway carriage or compartment inboard, snuffle valve (9) set up the upper portion at the railway carriage or compartment body (25), railway carriage or compartment door (22) are installed in the railway carriage or compartment body (25) outside.
The valve system (13) mainly comprises an emergency stop valve (26), a stop valve (27), an electromagnetic valve (28), a first regulating valve (29), a first throttle valve (30), a second one-way valve (31), a second throttle valve (32), a second regulating valve (33) and a third one-way valve (34), wherein the emergency stop valve (26), the stop valve (27) and the second one-way valve (31) are arranged on a main pipeline between the cargo bin (1) and the refrigerant tank (15), the electromagnetic valve (28), the first regulating valve (29) and the first throttle valve (30) are arranged on two parallel branch pipelines communicated with the main pipeline, one branch pipeline is provided with the electromagnetic valve (28) and the first regulating valve (29), the other branch pipeline is provided with the electromagnetic valve (28), the first regulating valve (29) and the first throttle valve (30), and the second throttle valve (32), the second regulating valve (33) and the third one-way valve (34) are arranged between a refrigerant filling port (14) and the refrigerant tank (15) On the pipeline.
A protective frame (16) is arranged outside the refrigerant tank (15), and a second heat-insulating layer (12) is arranged between the refrigerant tank (15) and the protective frame (16).
The cage type compressed liquid gas refrigerant refrigerating system device has the advantages of simple structure, light weight, high cooling speed, no noise, no pollution, energy conservation, low carbon and environmental protection, is particularly used for fluid food transportation, can inhibit food deterioration, prolongs the fresh-keeping time, solves the problem of transportation and storage of articles or food with temperature requirements, accords with the development strategy of advocating green, low carbon, energy conservation and environmental protection in the current society, and has the advantages of unique green energy conservation, environmental protection, low noise, high refrigerating efficiency, easy automatic temperature interval control and the like, and the compressed liquid refrigerant refrigerating system device can gradually go into the lives of people.
Drawings
Fig. 1 is a front view of a tank type cargo compartment of a cage type compressed liquid gas refrigerant refrigerating system device according to the present invention.
Fig. 2 is a left side view of a tank type cargo compartment of the cage type compressed liquid gas refrigerant refrigerating system device of the present invention.
Fig. 3 is a front view of a van-type cargo compartment of a cage-type compressed liquid gas refrigerant refrigerating system device according to the present invention.
Fig. 4 is a right side view of a van-type cargo compartment of a cage-type compressed liquid gas refrigerant refrigeration system apparatus according to the present invention.
Fig. 5 is a front view of an external cargo compartment refrigeration system of a cage-type compressed liquid gas refrigerant refrigeration system apparatus of the present invention.
Fig. 6 is a left side view of an external cargo compartment refrigeration system of a cage-type compressed liquid gas refrigerant refrigeration system apparatus according to the present invention.
Fig. 7 is a schematic diagram of a refrigerating system in a cargo compartment, wherein transduction pipelines of the cage type compressed liquid gas refrigerant refrigerating system device are connected in parallel.
Fig. 8 is a schematic diagram of a refrigerating system in a cargo compartment with energy-exchanging pipelines of a cage type compressed liquid gas refrigerant refrigerating system device connected in series according to the present invention.
Fig. 9 is a front view of the parallel connection of the energy conversion pipelines of the cage type compressed liquid gas refrigerant refrigerating system device according to the present invention.
Fig. 10 is a left side view of the overall structure of the cage type compressed liquid gas refrigerant refrigerating system device with parallel connection of the energy conversion pipelines.
Fig. 11 is a front view of the overall structure of the cage type compressed liquid gas refrigerant refrigerating system device with the energy conversion pipes connected in series.
Fig. 12 is a left side view of the overall structure of the cage type compressed liquid gas refrigerant refrigeration system device with the transduction pipes connected in series according to the present invention.
Fig. 13 is a schematic diagram of an electrical control system of a cage-type compressed liquid gas refrigerant refrigeration system apparatus according to the present invention.
Fig. 14 is a flow chart of an electrical control system of the cage type compressed liquid refrigerant refrigeration system of the present invention.
Fig. 15 is a schematic view of a valve system of an external cargo compartment refrigeration system of a cage-type compressed liquid gas refrigerant refrigeration system apparatus according to the present invention.
In the figure: 1. a warehouse; 2. a temperature sensor; 3. an electrical box; 4. a bleed port; 5. a pressure gauge; 6. a safety valve; 7. a first insulating layer; 8. an electric control end; 9. a gas release valve; 10. a manhole cover; 11. a wire harness; 12. a second insulating layer; 13. a valve system; 14. a filling port; 15. a refrigerant tank; 16. a protective frame; 17. a drying chamber; 18. a transduction pipeline; 19. a nozzle; 20. a first check valve; 21. a partition panel; 22. a compartment door; 23. a pipeline; 24. a tank body; 25. a compartment body; 26. an emergency shut-off valve; 27. a stop valve; 28. an electromagnetic valve; 29. a first regulating valve; 30. a first throttle valve; 31. a second one-way valve; 32. a second throttle valve; second 33, regulating valve; 34. and a third one-way valve.
Detailed Description
As shown in fig. 1 to 15, the cage type compressed liquid gas refrigerant refrigerating system device mainly comprises a cargo compartment 1, a refrigerating system and an electrical control system, wherein the refrigerating system comprises a cargo compartment external refrigerating system and a cargo compartment internal refrigerating system, the cargo compartment external refrigerating system comprises a temperature sensor 2, a pressure gauge 5, a safety valve 6, a valve system 13, a filling port 14, a refrigerant tank 15 and a pipeline 23, when the cargo compartment is of a tank type structure, the temperature sensor 2 is installed in a first heat preservation layer 7 on the outer wall of the cargo compartment 1, when the cargo compartment is of a box type structure, the temperature sensor 2 is installed on the inner wall of the cargo compartment 1, the pressure gauge 5 and the safety valve 6 are installed on the pipeline between the refrigerant tank 15 and the filling port 14, the valve system 13 is installed on the pipeline 23, and the valve system 13 mainly comprises an emergency cut-off valve 26, a stop valve 27, a stop valve 28, a first regulating valve 29, a first throttle valve, A second throttle valve 32, a second regulating valve 33 and a third check valve 34, wherein the emergency cut-off valve 26, the stop valve 27 and the second check valve 31 are arranged on a main pipeline between the cargo hold 1 and the refrigerant tank 15, the electromagnetic valve 28, the first regulating valve 29 and the first throttle valve 30 are arranged on two parallel branch pipelines communicated with the main pipeline, the electromagnetic valve 28 and the first regulating valve 29 are arranged on one branch pipeline, the electromagnetic valve 28, the first regulating valve 29 and the first throttle valve 30 are arranged on the other branch pipeline, the second throttle valve 32, the second regulating valve 33 and the third check valve 34 are arranged on a pipeline between the filling port 14 and the refrigerant tank 15, the pipeline 23 is connected between the cargo hold 1 and the refrigerant tank 15, a protective frame 16 is arranged outside the refrigerant tank 15, a second heat-insulating layer 12 is arranged between the refrigerant tank 15 and the protective frame 16, the refrigerating system in the cargo hold comprises a drying chamber 17, an energy conversion pipeline 18, a nozzle 19 and the first check valve 20, the drying chamber 17 is fixed on the inner wall of the cargo compartment 1, the transduction pipelines 18 are installed in the cargo compartment 1 in parallel, the transduction pipelines 18 connected in parallel are respectively connected with the drying chamber 17, the nozzles 19 and the first one-way valves 20 are installed on each transduction pipeline 18 in a required distribution manner, one transduction pipeline 18 may be provided with a plurality of nozzles 19 and first one-way valves 20, an electrical control system comprises a power supply, an electrical box 3, an electric control end 8, a wiring harness 11, a display, a control button, a recording device, a central processing unit, a sensor, an alarm and an electromagnetic valve, the electrical box 3 and the electric control end 8 are connected through the wiring harness 11, the electrical box 3 is connected to a valve system 13 of a refrigeration system in the cargo compartment through the wiring harness 11, the cargo compartment 1 is a tank cargo compartment or a compartment cargo compartment, and the transduction pipelines connected in parallel can be installed in the tank cargo compartment or the compartment; the energy conversion pipelines connected in series can only be arranged in the tank type cargo bin; the tank type cargo compartment comprises a tank body 24, a discharge port 4, a first heat-preservation layer 7, an air escape valve 9 and a manhole cover 10, wherein the discharge port 4 is arranged at the bottom of the tank body 24, the first heat-preservation layer 7 is arranged on the outer wall of the tank body 24, the manhole cover 10 is arranged at the top of the tank body 24, the air escape valve 9 is arranged on the manhole cover 10, a partition board 21 can be further arranged in the tank body 24 of the cargo compartment 1, the cargo compartment 1 is divided into two independent spaces by the partition board 21, a transduction pipeline 18, a nozzle 19 and a first one-way valve 20 which are connected in parallel are respectively arranged in each independent space, the transduction pipeline 18 is connected in series in the tank body 24 of the cargo compartment 1, one end of the transduction pipeline 18 connected in series is connected to a drying chamber 17, the cargo compartment 1 is a compartment type cargo compartment and comprises a compartment body 25, the first heat-preservation layer 7, the air escape valve 9 and a compartment door 22, the first heat-preservation layer 7 is arranged in the compartment board of the air, the compartment door 22 is installed outside the compartment body 25, the tank-type structure cargo compartment 1 is generally used for storing fluid cargos, cargos are loaded into the cargo compartment from the manhole cover 10 and unloaded from the drainage port 4, and pump equipment can be additionally installed for facilitating unloading operation; the van-type structure cargo compartment 1 is generally used for storing solid-state cargos, a large-opening van door structure is convenient for cargos to directly enter and exit from the compartment, the heat-insulating layer is used for keeping the temperature in the cargo compartment, and the air release valve 9 is used for balancing the internal and external pressure of the cargo compartment; when the second discharge port 4 unloads the goods, the pressure release valve 9 absorbs air to supplement the internal pressure of the warehouse, and the manhole cover 10 has the function of facilitating the maintenance of personnel besides loading the goods; the refrigerating system can be divided into two parts of a cargo compartment and a cargo compartment, a refrigerant tank 15 of the refrigerating system outside the cargo compartment is used for storing liquid refrigerant (liquid nitrogen), a safety valve 6 is used for stabilizing the pressure in the refrigerant tank 15, when the pressure exceeds a threshold value when the refrigerant is filled, the valve is automatically opened to remove internal gas/liquid and reduce the pressure in the tank, the position of an outlet of the safety valve is marked with a touch-free approaching mark, the outlet is towards the space direction far away from people and from a cooling wearing part so as to avoid freezing damage, a pressure gauge 5 displays the pressure value in the refrigerant tank 15 and indirectly reflects the amount of the refrigerant in the refrigerant tank 15, a valve system 13 mainly comprises an emergency cut-off valve 26, a stop valve 27, an electromagnetic valve 28, a first regulating valve 29, a first throttle valve 30, a second one-way valve 31, a second throttle valve 32, a second regulating valve 33 and a third one-way valve 34, the electric control system starts to work, the electromagnetic valve 28 in the 1-way valve is closed, the electromagnetic valve 28 in the 2-way valve is opened at the moment, after the mechanical emergency cut-off valve 26 and the stop valve 27 are closed, the refrigerant flows out of the refrigerant tank 15, passes through the emergency cut-off valve 26, the stop valve 27, the electromagnetic valve 28 in the 1-way valve, the first regulating valve 29, the first throttle valve 30 and the second one-way valve 31 in the main pipeline and flows to the drying chamber 17, then the gaseous refrigerant is discharged into the cargo bin 1 through the energy conversion pipeline 18, the first one-way valve 20 and the nozzle 19 to cool the cargo, the button switch 2 controls the electromagnetic valve 28 in the 2-way valve, after the button is pressed, the valve is closed, the refrigerant passes through the emergency cut-off valve 26, the stop valve 27, the electromagnetic valve 28 in the 2-way valve 29 and the first regulating valve 29 and flows to the second one-way valve 31 in the main pipeline, the electromagnetic valve 28 can be disconnected, the emergency cut-off valve 26 is installed at the outlet end of the refrigerant tank, namely the starting end of the valve system, in order to ensure potential safety hazard in the refrigerant releasing process, the refrigeration system can be closed in time, the continuous release of the refrigerant is stopped, the stop valve 27 is installed behind the emergency cut-off valve 26 to control the on-off of the pipeline, the electromagnetic valve 28 in the path 1 is controlled by an electric control system, the automatic control function is realized, the electromagnetic valve 28 in the path 2 is directly controlled by the single button 2, the refrigerant can rapidly enter a cargo hold after passing through the path 2, the temperature of the cargo is reduced, meanwhile, when the path 1 fails, the path 2 serves as a valve pipeline to continuously and intermittently provide the refrigerant for the cargo hold as an alternative path, the pressure of the refrigerant passing through the valve is reduced by the first regulating valve 29 and the second regulating valve 33, and the flow of, the second one-way valve 31 in the main pipeline ensures the one-way circulation of the refrigerant, 3 pipelines are refrigerant filling valve pipelines, and the refrigerant enters the refrigerant tank 15 through the filling port 14, the third one-way valve 34, the second regulating valve 33 and the second throttle valve 32; the valve system 13 is an on-off switch of the pipeline 23 and controls the releasing speed of the refrigerant, the control center and the operation end of the electrical control system comprise an electric control end device, an electrical box device and a wire harness and are used for receiving signals of the temperature sensor 2 in the cargo compartment, recording data and adjusting the on-off of the valve system 13, the pipeline 23 is a channel for releasing the refrigerant from the refrigerant tank to the cargo compartment, the filling port 14 is an interface for supplementing the refrigerant in the refrigerant tank 15, in addition, the external device is provided with a collision-preventing protective frame 16, a heat-insulating material is filled between the protective frame 16 and the protected device, and the heat-insulating material provides an environment with stable temperature and capable of buffering collision damage for the protected device; refrigerating system's drying chamber 17 plays the cushioning effect to back part nozzle 19 and first check valve 20 in the refrigerant release in-process in the goods storehouse, and absorb the steam that gets into the pipeline from transducing pipeline 18 end or damage mouth department, the transducing pipeline is used for transmitting the refrigerant, and pass through the metal pipe wall energy transfer, first check valve 20 makes the refrigerant folk prescription to flow, prevent that the foreign object from getting into transducing pipeline 18, thereby prevent that the foreign matter from receiving the cold crystallization in transducing pipeline 18 and blockking up the pipeline, nozzle 19 is the refrigerant export, install at transducing pipeline 18 end, the front end is directly linked with first check valve 20, temperature sensor 2 installs on the inside goods storehouse wall of heat preservation, be used for temperature measuring, and send measured data to electrical control system.
As shown in fig. 13 and 14, after the button 1 is started, the power supply is turned on, the electrical control system is started, the system controls the valve to be switched on and off by using the central processing unit and receives feedback signals of the sensor, the temperature is automatically controlled within a set temperature interval, the display displays the temperature value in the cargo bin, the refrigerant storage capacity in the refrigerant tank, the oxygen content in the cargo bin and other contents in real time, the recording equipment stores the data in a data disc or prints the data, the sensor at least comprises a temperature sensor, a pressure sensor and an oxygen concentration sensor, the electromagnetic valve is arranged in the valve system, and the alarm alarms under at least the following three conditions; firstly, the temperature value in the cargo compartment is not in a set temperature interval for a long time; secondly, when the memory amount of the refrigerant storage tank is too small; thirdly, closing the personnel in the warehouse by mistake; the button 2 controls the warehouse to refrigerate rapidly, the button is set to open the valve when being pressed, the button automatically bounces and disconnects the valve after being loosened, and the refrigerating system does not work when the warehouse door is opened; the working principle of the cage type compressed liquid gas refrigerant refrigerating system device is as follows: the button switch is turned on, the refrigeration system device starts to work, the pipeline is connected by the valve system, and liquid refrigerant (liquid nitrogen is generally used as the refrigerant in the industry) is stored in the refrigerant tank and is conveyed into the cargo hold through the pipeline; the refrigerant flows through the drying chamber and the transduction pipeline, and is discharged in the cargo compartment in a low-temperature gas form through the one-way valve and the nozzle to cool the cargo, the electric control system controls the on-off of the valve system and receives the temperature information fed back by the temperature sensor in the cargo compartment, when the temperature is higher, the electric control system controls the valve system to be opened, and at the moment, the refrigerant in the refrigerant tank is released into the cargo compartment, and the temperature is reduced; when the temperature is lower than the set temperature, the electric control system controls the valve system to be disconnected, the refrigerant stops being discharged at the moment, the internal temperature of the cargo bin is kept to be close to the set temperature value by the aid of the heat insulation layer, the electric control system controls the valve system to be opened again until the temperature sensor detects that the temperature in the cargo bin is higher than the set value, the refrigerant is continuously output to the cargo bin to be cooled, the process is repeated in this way, the temperature in the cargo bin is kept to be close to the set value, the electric control system comprises an electric control end and an electric box, and the electric control end is a button switch, an alarm and a display device; the electric box is internally provided with a central processing unit, a recording device and the like, when the temperature in the cargo compartment deviates from the set temperature greatly, an alarm is given, when the refrigerant allowance in the refrigerant tank is too low, the alarm is given, a display device displays the information of the temperature in the cargo compartment, the refrigerant allowance, the oxygen content in the cargo compartment and the like, the central processing unit receives signals sent by the sensor, controls the on-off of a valve system, sends an alarm instruction and the like, and the recording device records the contents of temperature data, time information and the like.
The cage type compressed liquid gas refrigerant refrigerating system device has the advantages of simple structure, light weight, high cooling speed, no noise, no pollution, energy conservation, low carbon and environmental protection, is particularly used for fluid food transportation, can inhibit food deterioration, prolongs the fresh-keeping time, solves the problem of transportation and storage of articles or food with temperature requirements, accords with the development strategy of advocating green, low carbon, energy conservation and environmental protection in the current society, and has the advantages of unique green energy conservation, environmental protection, low noise, high refrigerating efficiency, easy automatic temperature interval control and the like, and the compressed liquid refrigerant refrigerating system device can gradually go into the lives of people.

Claims (7)

1. The utility model provides a cage compression liquid gas refrigerant refrigerating system device which characterized in that: mainly comprises a cargo compartment (1), a refrigerating system and an electrical control system, wherein the refrigerating system comprises an external refrigerating system of the cargo compartment and an internal refrigerating system of the cargo compartment, the external refrigerating system of the cargo compartment comprises a temperature sensor (2), a pressure gauge (5), a safety valve (6), a valve system (13), a filling port (14), a refrigerant tank (15) and a pipeline (23), the temperature sensor (2) is arranged in a first heat-insulating layer (7) on the outer wall of the cargo compartment (1), the pressure gauge (5) and the safety valve (6) are arranged on the pipeline between the refrigerant tank (15) and the filling port (14), the valve system (13) is arranged on the pipeline (23), the pipeline (23) is connected between the cargo compartment (1) and the refrigerant tank (15), the internal refrigerating system of the cargo compartment comprises a drying chamber (17), an energy conversion pipeline (18), a nozzle (19) and a first one-way valve (20), drying chamber (17) are fixed on the inner wall of warehouse (1), transduction pipeline (18) parallel connection is installed in warehouse (1), parallel transduction pipeline (18) are connected with drying chamber (17) respectively, nozzle (19) and first check valve (20) distribution are installed on every transduction pipeline (18), electrical control system contains power, electric box (3), automatically controlled end (8), pencil (11), display, control button, recording equipment, central processing unit, sensor, siren, solenoid valve, electric box (3) and automatically controlled end (8) are connected through pencil (11), electric box (3) are connected on refrigerating system's outside the warehouse valve system (13) through pencil (11).
2. The cage-type compressed liquid gas refrigerant refrigeration system device according to claim 1, wherein: warehouse (1) is tank-type warehouse, including jar body (24), discharge port (4), first heat preservation (7), snuffle valve (9) and manhole cover (10), discharge port (4) set up the bottom at jar body (24), first heat preservation (7) set up on jar body (24) outer wall, manhole cover (10) set up the top at jar body (24), snuffle valve (9) set up on manhole cover (10).
3. The cage-type compressed liquid gas refrigerant refrigeration system device according to claim 2, wherein: a bin partition plate (21) is arranged in a tank body (24) of the cargo bin (1), the cargo bin (1) is divided into two independent spaces by the bin partition plate (21), and an energy conversion pipeline (18), a nozzle (19) and a first one-way valve (20) which are connected in parallel are arranged in each independent space respectively.
4. The cage-type compressed liquid gas refrigerant refrigeration system device according to claim 2, wherein: the energy conversion pipeline (18) is installed in series in a tank body (24) of the warehouse (1), and one end of the energy conversion pipeline (18) connected in series is connected to the drying chamber (17).
5. The cage-type compressed liquid gas refrigerant refrigeration system device according to claim 1, wherein: warehouse (1) is van-type warehouse, including the railway carriage or compartment body (25), first heat preservation (7), snuffle valve (9) and railway carriage or compartment door (22), first heat preservation (7) set up in the railway carriage or compartment body (25) railway carriage or compartment inboard, snuffle valve (9) set up the upper portion at the railway carriage or compartment body (25), railway carriage or compartment door (22) are installed in the railway carriage or compartment body (25) outside.
6. The cage-type compressed liquid gas refrigerant refrigeration system device according to claim 1, wherein: the valve system (13) mainly comprises an emergency stop valve (26), a stop valve (27), an electromagnetic valve (28), a first regulating valve (29), a first throttle valve (30), a second one-way valve (31), a second throttle valve (32), a second regulating valve (33) and a third one-way valve (34), wherein the emergency stop valve (26), the stop valve (27) and the second one-way valve (31) are arranged on a main pipeline between the cargo bin (1) and the refrigerant tank (15), the electromagnetic valve (28), the first regulating valve (29) and the first throttle valve (30) are arranged on two parallel branch pipelines communicated with the main pipeline, one branch pipeline is provided with the electromagnetic valve (28) and the first regulating valve (29), the other branch pipeline is provided with the electromagnetic valve (28), the first regulating valve (29) and the first throttle valve (30), and the second throttle valve (32), the second regulating valve (33) and the third one-way valve (34) are arranged between a refrigerant filling port (14) and the refrigerant tank (15) On the pipeline.
7. The cage-type compressed liquid gas refrigerant refrigeration system device according to claim 1, wherein: a protective frame (16) is arranged outside the refrigerant tank (15), and a second heat-insulating layer (12) is arranged between the refrigerant tank (15) and the protective frame (16).
CN201911212155.0A 2019-12-02 2019-12-02 Cage type compressed liquid gas refrigerant refrigerating system device Pending CN110926048A (en)

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