CN219513508U - Vehicle-mounted split laser cooling device - Google Patents
Vehicle-mounted split laser cooling device Download PDFInfo
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- CN219513508U CN219513508U CN202320444645.9U CN202320444645U CN219513508U CN 219513508 U CN219513508 U CN 219513508U CN 202320444645 U CN202320444645 U CN 202320444645U CN 219513508 U CN219513508 U CN 219513508U
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- liquid supply
- liquid
- compressor
- outdoor unit
- pipeline
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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
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Abstract
The utility model relates to the field of laser cooling, and provides a vehicle-mounted split type laser cooling device. The outdoor unit comprises an outdoor unit shell, and a compression refrigeration system, a temperature sensor and a water tank are arranged in the outdoor unit shell. The electric heating device is characterized in that the electric heating device is arranged in the water tank, electric heating is wrapped on an air suction port of the compressor at the outer side of the compressor and a pipeline between the compressor and the plate heat exchanger, and an energy regulating valve branch is arranged between an air exhaust port of the compressor and the plate heat exchanger. The indoor machine shell is internally provided with a liquid supply pump, an electric heater, a liquid supply assembly and a liquid return assembly. Through installing electric heater unit on water tank, feed pump output, compressor and some pipelines, under low temperature environment, can improve the temperature of the interior lubricating oil of compressor and the temperature of coolant liquid through the mode of preheating, reduce the load of compressor for can start and work under low temperature environment at low temperature compression refrigeration system.
Description
Technical Field
The utility model relates to the field of laser cooling, in particular to a vehicle-mounted split type laser cooling device.
Background
The vehicle-mounted laser is equipment for providing working beams for the laser radar, and the laser generally consists of various crystals, an area array, a power supply, a small load and the like, consumes a large amount of energy in the process of emitting laser light, and generates a large amount of heat. In order to ensure that the laser can continuously work, the load of the laser needs to be cooled in time, and the proper working temperature is ensured.
In the prior art, a separate cooling device is generally adopted to provide cooling liquid with a certain temperature for the laser, and the cooling liquid is used for exchanging heat with a heat exchanger in the laser to bring heat out. As disclosed in patent CN114883894a, a temperature control device for an adaptive operation wide-control Wen Chezai laser is combined by two groups of modes of compression refrigeration and air-cooling condensation, and different heat exchange modes are switched according to different ambient temperatures to provide cooling liquid for the laser. However, for the vehicle-mounted laser, the cooling devices of the two heat exchange modes occupy the limited installation space on the vehicle and increase the load of the vehicle due to the limited installation space on the vehicle. Because the laser only lasts about 30 seconds at each time, even if the laser is empty, the required heat exchange amount is small or zero, the cooling device also needs to be in an operating state, and at the moment, the continuous refrigeration of the compressor can continuously cool the cooling water to below the set temperature, so that the heat exchange during the next period of operation of the subsequent laser is influenced, and even the laser is damaged.
The special environment of the operation of the vehicle-mounted laser, the cooling device needs to meet the requirement of continuous liquid supply at the ambient temperature of-40 ℃ to 60 ℃, and the working problem of the compressor at low temperature needs to be overcome for the cooling device with compression refrigeration.
Disclosure of Invention
The utility model provides a cooling device for a vehicle-mounted split laser, which aims to meet the requirements of the vehicle-mounted laser on continuously providing cooling liquid with set temperature under different temperature environments and the mounting requirements of weight reduction and volume reduction of vehicle-mounted application occasions.
The technical scheme adopted by the utility model is as follows:
the vehicle-mounted split type laser cooling device comprises an indoor unit, an outdoor unit and an electric cabinet, wherein the indoor unit is arranged in a cabin, the outdoor unit is arranged outside the cabin, the indoor unit and the outdoor unit are connected through a pipeline and a cable, the electric cabinet is arranged in the indoor unit, the outdoor unit comprises an outdoor unit shell, a compression refrigerating system, a temperature sensor and a water tank are arranged in the outdoor unit shell, the compression refrigerating system comprises a compressor, an air-cooled condenser, a drying filter, an expansion valve and a plate heat exchanger, the water tank is connected with the output end of a cooling water channel of the plate heat exchanger through a pipeline, the input end of the cooling water channel of the plate heat exchanger is connected with a liquid return pipe, and the bottom of the water tank is provided with a liquid supply pipe; the electric heating device is characterized in that an electric heating device is arranged in the water tank, an air suction port of the compressor at the outer side of the compressor and a pipeline between the compressor and the plate heat exchanger are wrapped by the electric heating device, an energy regulating valve branch is arranged between an air exhaust port of the compressor and the plate heat exchanger, the expansion valve is an electronic expansion valve, and a pressure sensor is arranged on a pipeline at the output end of the condenser; the indoor unit comprises an indoor unit shell, a liquid supply pump, an electric heater, a liquid supply assembly and a liquid return assembly are arranged in the indoor unit shell, the input end of the liquid supply pump is connected with a liquid supply pipe at the bottom of the water tank through a pipeline, the output end of the liquid supply pump is connected with the liquid supply assembly, the electric heater is arranged between the liquid supply pump and the liquid supply assembly, the liquid supply assembly supplies liquid to loads in the laser through a pipeline, cooling liquid after load heat exchange in the laser returns to the liquid return assembly through the pipeline, and the liquid return assembly is connected with the liquid return pipe through the pipeline.
Further, the liquid return assembly comprises a liquid return branch pipe and a plurality of liquid return branch pipes connected with the liquid return main pipe, and a ball valve and a flowmeter are respectively arranged on each liquid return branch pipe; the liquid supply assembly comprises a liquid supply branch pipe and a plurality of liquid supply branch pipes connected with the liquid supply main pipe, and ball valves and temperature sensors are respectively arranged on the liquid supply branch pipes.
Further, the indoor unit casing is provided with a row of liquid supply joints and a row of liquid return joints, the liquid supply branch pipes are correspondingly connected with the liquid supply joints, and the liquid return branch pipes are correspondingly connected with the liquid return joints.
Further, the air-cooled condenser fan is a speed-regulating fan.
Further, two groups of compression refrigeration systems which are arranged in parallel are arranged in the outdoor unit.
Still further, the one end that supplies liquid pipe and feed pump to be connected is equipped with the feed branch road, install ball valve and feed liquid joint on the feed branch road.
After the technical scheme is adopted, the beneficial effects of the utility model are as follows:
the indoor unit is arranged on the inner side of the vehicle cabin by adopting a split type design, so that the installation space in the vehicle cabin can be effectively saved; the heat exchange mode of the independent compression refrigeration system is adopted to meet the heat exchange at the ambient temperature of-40 ℃ to 60 ℃, the air cooling heat exchange mode is avoided, the volume and the weight of the outdoor unit can be effectively reduced, and the vehicle-mounted use occasion is met.
Through installing electric heater unit on water tank, feed pump output, compressor and some pipelines, under low temperature environment, can improve the temperature of the interior lubricating oil of compressor and the temperature of coolant liquid through the mode of preheating, reduce the load of compressor for can start and work under low temperature environment at low temperature compression refrigeration system.
Through setting up modes such as energy governing valve branch road, variable speed fan, when the laser instrument is in under empty condition, through the pressure value of pressure sensor in the system, the refrigerant of control compressor gas vent is sent to plate heat exchanger through the energy governing valve, reduces the fan rotational speed of forced air cooling condenser to can not produce a large amount of refrigerating capacity when making compression refrigerating system continuously work, guarantee that the coolant temperature is in reasonable within range.
Drawings
Fig. 1 is a front view of an outdoor unit.
Fig. 2 is a plan view showing an internal structure of the outdoor unit.
Fig. 3 is a schematic diagram of an outdoor unit.
Fig. 4 is a side view of the indoor unit.
Fig. 5 is a plan view of the indoor unit.
Fig. 6 is a schematic diagram of an outdoor unit.
Description of the embodiments
The following detailed description of the utility model refers to the accompanying drawings, which illustrate specific embodiments of the utility model:
the vehicle-mounted split type laser cooling device consists of an outdoor unit 1, an indoor unit 2 and an electric cabinet 3. The outdoor unit 1 is installed outside the cabin, and the indoor unit 3 is installed inside the cabin. The indoor unit and the outdoor unit are connected through a pipeline and a cable. The electric cabinet is installed in indoor set.
As shown in fig. 1 to 3, the outdoor unit 1 is composed of an outdoor unit casing 11, and a compressor 12, an air-cooled condenser 13, a drier-filter 14, an expansion valve 15, a plate heat exchanger 16, a water tank 17, and a temperature sensor installed in the outdoor unit casing. The refrigerant compressed by the compressor 12 is condensed by the air-cooled condenser 13 and filtered by the drying filter 14, and enters a refrigerant channel of the plate heat exchanger 16 after being throttled by the expansion valve 15, the input end of a cooling liquid channel of the plate heat exchanger 16 is connected with the liquid return pipe 4, and the cooling liquid after heat exchange from the laser load enters the plate heat exchanger 16 from the liquid return pipe 4 to exchange heat and flows into the water tank 17 through a pipeline. A liquid supply pipe 5 is arranged at the bottom of the water tank 17, and the liquid return pipe 4 and the liquid supply pipe 5 are respectively connected with the indoor unit 2 through pipelines.
In order to ensure that the compressor can work normally in a low temperature environment, electric heating or an electric heating blanket 18 is respectively installed on the outer side of the compressor 12 and on the pipeline between the compressor and the plate heat exchanger, and an electric heater 19 is installed in the water tank 17. In a low temperature environment, all electric heating is started, lubricating oil and cooling liquid in the compressor 12 are preheated, and when the cooling liquid reaches 20 ℃, the compressor 12 is started again.
Because the laser is operated intermittently, each time the operation duration is short and the generated heat is more. In order to ensure stable operation of the laser, the outdoor unit needs to be continuously operated when the laser is idle. In order to prevent the outdoor unit from continuously refrigerating the cooling liquid and reducing the temperature of the cooling liquid to below a set temperature, an energy adjusting branch is arranged between an exhaust port of the compressor 12 and a refrigerant channel of the plate heat exchanger, an energy adjusting valve 10 is arranged on the energy adjusting branch, an electronic expansion valve is selected as an expansion valve, meanwhile, a fan of the air cooling condenser 13 is an adjustable wind speed fan, a pressure sensor is arranged at a liquid outlet of the air cooling condenser 13, according to the value of the pressure sensor, the throttle quantity is controlled through the electronic expansion valve, the heat exchange quantity is controlled through the wind speed of the fan, and the heat exchange quantity of a system is reduced by three modes of bypassing the refrigerant through the energy adjusting valve 10, so that the supercooling problem of the cooling liquid is avoided.
As shown in fig. 4 to 6, the indoor unit 2 is composed of an indoor unit casing 21, and a liquid supply pump 22, a filter 23, an electric heater 24, a liquid supply unit 25, and a liquid return unit 26 which are installed in the indoor unit casing. The liquid supply assembly 25 is composed of a liquid supply branch pipe and a plurality of liquid supply branch pipes connected with a liquid supply main pipe, and ball valves and temperature sensors are respectively arranged on the liquid supply branch pipes. The liquid return assembly 26 is composed of a liquid return branch pipe and a plurality of liquid return branch pipes connected with a liquid return main pipe, and ball valves and flow meters are respectively arranged on the liquid return branch pipes. The top surface of the indoor unit shell 21 is provided with a liquid inlet 27 and a liquid outlet 28 which are correspondingly connected with the liquid supply pipe 5 and the liquid return pipe 4 of the indoor unit, the liquid inlet 27 is connected with the input end of the liquid supply pump 22, the liquid inlet 27 is connected with a liquid supply branch 29 through a tee joint, and a ball valve is arranged on the liquid supply branch 29. The output end of the liquid supply pump 22 is connected with a liquid supply main pipe of a liquid supply assembly 25 sequentially through a filter 23 and an electric heater 24, and liquid is supplied to a load in the laser at the same time by a plurality of liquid supply branch pipes connected with the liquid supply main pipe; the cooling liquid after load heat exchange in the laser is returned to the liquid return assembly 26 through the pipe, is collected to the liquid return main pipe through each liquid return branch pipe of the liquid return assembly 26, is sent to the liquid return pipe 4 through the liquid return main pipe, and finally enters the plate heat exchanger 16 for heat exchange. Quick connectors 20 are respectively arranged at the end parts of the liquid return branch pipes and the liquid supply branch pipes, and the quick connectors 20 are positioned on the side face of the indoor unit shell 21.
Claims (6)
1. The vehicle-mounted split type laser cooling device comprises an indoor unit, an outdoor unit and an electric cabinet, wherein the indoor unit is arranged in a cabin, the outdoor unit is arranged outside the cabin, the indoor unit and the outdoor unit are connected through a pipeline and a cable, the electric cabinet is arranged in the indoor unit, the outdoor unit comprises an outdoor unit shell, a compression refrigerating system, a temperature sensor and a water tank are arranged in the outdoor unit shell, the compression refrigerating system comprises a compressor, an air-cooled condenser, a drying filter, an expansion valve and a plate heat exchanger, the water tank is connected with the output end of a cooling water channel of the plate heat exchanger through a pipeline, the input end of the cooling water channel of the plate heat exchanger is connected with a liquid return pipe, and the bottom of the water tank is provided with a liquid supply pipe; the electric heating device is characterized in that electric heating is arranged in the water tank, electric heating is wrapped on an air suction port of the compressor at the outer side of the compressor and a pipeline between the compressor and the plate heat exchanger, an energy regulating valve branch is arranged between an air exhaust port of the compressor and the plate heat exchanger, the expansion valve is an electronic expansion valve, and a pressure sensor is arranged on a pipeline at the output end of the condenser; the indoor unit comprises an indoor unit shell, a liquid supply pump, an electric heater, a liquid supply assembly and a liquid return assembly are arranged in the indoor unit shell, the input end of the liquid supply pump is connected with a liquid supply pipe at the bottom of the water tank through a pipeline, the output end of the liquid supply pump is connected with the liquid supply assembly, the electric heater is arranged between the liquid supply pump and the liquid supply assembly, the liquid supply assembly supplies liquid to loads in the laser through a pipeline, cooling liquid after load heat exchange in the laser returns to the liquid return assembly through the pipeline, and the liquid return assembly is connected with the liquid return pipe through the pipeline.
2. The vehicle-mounted split type laser cooling device according to claim 1, wherein the liquid return assembly comprises a liquid return branch pipe and a plurality of liquid return branch pipes connected with a liquid return main pipe, and a ball valve and a flowmeter are respectively arranged on each liquid return branch pipe; the liquid supply assembly comprises a liquid supply branch pipe and a plurality of liquid supply branch pipes connected with the liquid supply main pipe, and ball valves and temperature sensors are respectively arranged on the liquid supply branch pipes.
3. The cooling device of claim 2, wherein the indoor unit casing is provided with a row of liquid supply connectors and a row of liquid return connectors, the liquid supply branch pipes are correspondingly connected with the liquid supply connectors, and the liquid return branch pipes are correspondingly connected with the liquid return connectors.
4. The vehicle-mounted split laser cooling device of claim 1, wherein the air-cooled condenser fan is a speed-regulating fan.
5. The vehicle-mounted split type laser cooling device according to claim 1, wherein two groups of compression refrigeration systems which are arranged in parallel are arranged in the outdoor unit.
6. The cooling device for the vehicle-mounted split laser according to claim 1, wherein a liquid supply branch is arranged at one end of the liquid supply pipe connected with the liquid supply pump, and a ball valve and a liquid supply joint are arranged on the liquid supply branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320444645.9U CN219513508U (en) | 2023-03-10 | 2023-03-10 | Vehicle-mounted split laser cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320444645.9U CN219513508U (en) | 2023-03-10 | 2023-03-10 | Vehicle-mounted split laser cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219513508U true CN219513508U (en) | 2023-08-11 |
Family
ID=87526392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320444645.9U Active CN219513508U (en) | 2023-03-10 | 2023-03-10 | Vehicle-mounted split laser cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219513508U (en) |
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2023
- 2023-03-10 CN CN202320444645.9U patent/CN219513508U/en active Active
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