CN216845232U

CN216845232U - High-precision cooling device for multiple liquid supply temperature lasers

Info

Publication number: CN216845232U
Application number: CN202123275674.7U
Authority: CN
Inventors: 叶婷; 石玉颖; 季婷; 韩健; 张德旭; 钱文平
Original assignee: Zhongtian Jiangsu Defense Equipment Co ltd
Current assignee: Zhongtian Jiangsu Defense Equipment Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-06-28
Anticipated expiration: 2031-12-24

Abstract

The utility model relates to a refrigeration field provides a multiple confession liquid temperature laser instrument cooling device of high accuracy. The indoor unit comprises an inner box body, an electric cabinet, a liquid supply pump, a filter, a proportion adjusting three-way valve and a water tank, wherein the middle part of the water tank is divided into a cold water chamber and a hot water chamber by a partition plate, and the cold water chamber is connected with a cooling water channel of the plate heat exchanger through a pipeline to form a circulation passage; the hot water chamber is internally provided with electric heating; the bottom of the cold water chamber and the bottom of the hot water chamber are respectively connected with an electric proportional control three-way valve through pipelines, and the output end of the electric proportional control three-way valve is connected with a liquid supply pump. The target temperature of the cold and hot water tank is controlled through the compression refrigeration system and the electric heating, after the target temperature of cold and hot water is reached, the electric proportional control valve acts and adjusts to the target temperature, the temperature sensor monitors and meets the condition output, and various temperature supply high-precision liquid cooling is achieved.

Description

High-precision cooling device for multiple liquid supply temperature lasers

Technical Field

The utility model relates to a refrigeration field, concretely relates to multiple confession liquid temperature laser instrument cooling device of high accuracy.

Background

The laser can release a large amount of heat in the work engineering, and in order to ensure that the laser device can effectively and durably work, the cooling and heat dissipation treatment needs to be carried out on the internal elements of the laser device. At present, a common laser cooling device uses a cold source to provide cooling liquid with a certain temperature, and the cooling liquid does not have a cold plate of an integrated device or a heat exchanger to carry out heat exchange so as to take heat out. Conventional liquid cooling sources are typically only capable of simultaneously loading a laser with cooling water at a common temperature. For complex lasers, the working temperature of each part load is different, and the required cooling water temperature is different, so that a cooling device is required to be capable of simultaneously providing various liquid supply temperatures, and the high precision of the liquid supply temperature is required. Because the heat productivity of the container device is larger, the cooling water has higher heat after heat exchange, and the effective recovery of the heat of the laser can reduce the energy consumption of the cooling device.

Disclosure of Invention

In order to satisfy the requirement that the liquid was supplied simultaneously to the multitemperature of laser instrument, the utility model aims to provide a multiple confession liquid temperature laser instrument cooling device of high accuracy.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

a high-precision multiple-liquid-supply-temperature laser cooling device comprises an indoor unit and an outdoor unit, wherein the outdoor unit comprises an outer box body, condenser assemblies are respectively mounted on two side walls of the outer box body, a compressor, a plate type heat exchanger, a circulating pump, a liquid storage device, a drying filter and an expansion valve are mounted in the outer box body, the compressor and the liquid storage device are mounted on the bottom surface in the outer box body, the circulating pump and the plate type heat exchanger are mounted on the middle upper portion of the outer box body, the compressor, the condenser assemblies, the liquid storage device, the drying filter, the expansion valve and the plate type heat exchanger are sequentially connected in series through pipelines to form a refrigeration loop, and the circulating pump is communicated with a cooling water channel of the plate type heat exchanger through the pipelines; the indoor unit comprises an inner box body, an electric cabinet, a liquid supply pump, a filter, a proportional control three-way valve and a water tank, wherein the liquid supply pump is arranged on the bottom surface in the inner box body; the hot water chamber is internally provided with electric heating; the bottom of cold water room and hot water chamber is connected with electronic proportion regulation three-way valve through the pipeline respectively, the output connection liquid feed pump of electronic proportion regulation three-way valve, the output tube of box in the liquid feed pump connection inner box body through the filter.

Furthermore, a plurality of liquid feed pumps and a plurality of corresponding electric proportional control three-way valves are installed in the inner box body, two water inlets of each proportional control three-way valve are respectively connected with the bottoms of the hot water chamber and the cold water chamber, water outlets of the proportional control three-way valves are connected with the corresponding liquid feed pumps, the liquid feed pumps are connected with cooling water inlets of corresponding loads through output pipelines, and cooling water outlets of the loads are connected with the hot water chamber through pipelines.

Further, a filter, a flowmeter, a temperature sensor and a pressure sensor are mounted on the output pipeline.

Furthermore, the condenser assembly comprises condensers and fans, the condensers are installed on two sides of the outer box body and located between the front side face and the rear side face of the outer box body, and two or more than two fans are installed on the outer side of each condenser.

Further, the front and rear side surfaces of the outer box body are provided with louver boards.

Furthermore, the cold water chamber and the hot water chamber are respectively connected with a liquid feeding pipeline and a liquid discharging pipeline.

And furthermore, the electric cabinet collects signals of the flow meter, the temperature sensor and the pressure sensor through a PLC control circuit and controls the compressor, the condenser assembly, the circulating pump, the liquid supply pump and the electric proportional three-way valve.

After taking above technical scheme, the beneficial effects of the utility model are that:

1. the cold water prepared by the compression cycle refrigeration system is matched with the hot water generated by electric heating, the output of the cooling water with a plurality of temperatures is formed by matching the plurality of electric proportional control valves with the temperature sensor, the cooling requirements of a plurality of loads of laser at different temperatures are met, and the temperature control precision is convenient to control.

2. Through the mode that interior machine and outer quick-witted connection, outer machine compression cycle refrigeration, output after the interior machine adjusts the temperature, simple structure is convenient for install and the maintenance.

3. The cooling liquid after heat exchange in the laser load is recycled to the hot water chamber and mixed with hot water, and when the temperature is insufficient, electric heating is used for heating, so that the waste heat of the laser load can be effectively utilized.

4. The double condensers are matched with the plurality of radiating fans to improve the refrigerating capacity of the external unit, and the working quantity of the condensers and the fans can be controlled through the ambient temperature, so that the purpose of energy conservation is achieved.

According to the technical scheme, the target temperature of the cold and hot water tank is controlled through the compression refrigeration system and the electric heating, after the cold and hot target temperatures are reached, the electric proportional control valve moves and adjusts to the target temperature, the temperature sensor monitors and meets the condition output, and other liquid supply temperatures take the condition as an example, so that various high-precision liquid cooling for supplying temperature is reached, the index requirement of the high-precision liquid supply temperature in the system is ensured, the applicability is high, and the device is suitable for equipment requiring high temperature requirements of various high-precision liquid supply temperatures.

Drawings

Fig. 1 is a schematic structural view of an outdoor unit;

fig. 2 is a schematic structural view of an internal machine;

fig. 3 is a schematic diagram of the present embodiment.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:

a high-precision multiple-liquid-supply-temperature laser cooling device is composed of an indoor unit 1 and an outdoor unit 2 and is used for providing cooling liquid with different temperatures for cold plates or heat exchangers in multiple loads of laser equipment, and taking out heat in the loads to achieve a cooling effect.

As shown in fig. 1, the outdoor unit 1 includes an outer casing 10, a compressor 11, a plate heat exchanger 12, a circulation pump 13, a liquid reservoir 14, a drying filter 15, an expansion valve 16, and a pair of condenser modules 17 mounted on both side walls of the outer casing. The compressor 11 and the liquid storage device 14 are installed on the bottom surface in the outer box body 10, the circulating pump 13 and the plate type heat exchanger 12 are installed on the middle upper portion of the outer box body 10, the compressor 11, the condenser assembly 17, the liquid storage device 14, the drying filter 15, the expansion valve 16 and the plate type heat exchanger 12 are sequentially connected in series through pipelines to form a refrigerating loop, and other conventional refrigerating system accessories are installed on the refrigerating loop according to control and monitoring requirements. Both ends of the cooling water passage of the plate heat exchanger 12 are connected to a pair of cooling water ports 18 on the outer side of the outer case, respectively. The condenser assembly 17 is an air-cooled condenser composed of a condenser 171 and fans 172, the condenser 171 is installed on both sides of the outer case 10 and located between the front and rear sides of the outer case 10, three fans 172 are installed on the outer side of each condenser 171, the front and rear side walls of the outer case 10 are louvers, air outside the outer case 10 enters the outer case 10, is air-cooled by the condenser 171 and then is discharged outside the outer case by the fans 172, and condensation is completed.

As shown in fig. 2, the indoor unit 2 is composed of an inner casing 20, an electric cabinet 21, a plurality of liquid feed pumps 22, a filter 23, a plurality of proportional three-way valves 24, and a water tank 25. The multiple groups of liquid supply pumps 22 are arranged on the bottom surface in the inner box body 20 in parallel, the electric cabinet 21 is arranged above the liquid supply pumps 22, the water tank 25 is arranged on the upper part in the inner box body 20 and is positioned above the electric cabinet 21, and the middle part of the water tank 25 is divided into a cold water chamber 251 and a hot water chamber 252 by a partition plate or is separately provided with the cold water chamber and the hot water chamber. The cold water chamber 251 and the hot water chamber 252 are respectively provided with accessories such as a liquid level switch, a temperature sensor, a liquid supplementing pipeline, a liquid discharging pipeline and the like. The top and the bottom of the cold water chamber 251 respectively form a circulating passage with a pair of cooling water interfaces 18 of the plate heat exchanger 12 on the outer box body 10 through pipelines. The circulation pump 13 is disposed in the outer case 10 and connected in series to the circulation passage. An electric heater 26 is installed in the hot water chamber 252, and when the temperature of water in the hot water chamber 252 is lower than a set temperature, the water is heated to the set temperature by the electric heater 26, particularly in winter; the bottoms of the cold water chamber 251 and the hot water chamber 252 are respectively connected with two water inlet ends of a plurality of electric proportional control three-way valves 24 through pipelines, the output end of each electric proportional control three-way valve 24 is respectively and correspondingly connected with a liquid supply pump 22, the output end of each liquid supply pump 22 is provided with accessories such as a filter, a flowmeter, a temperature sensor, a pressure sensor and the like, and cooling water is conveyed to a corresponding cold plate or a heat exchanger in the laser load through pipelines. In order to utilize the heat of the laser load, the cooling liquid after heat exchange from the laser load is returned to the hot water chamber 252 through a pipeline to be mixed.

The electric cabinet 21 adopts a conventional refrigeration control principle, utilizes a PLC control circuit, and controls the working states of the electric proportional control valve 24, the liquid supply pump 22, the circulating pump 13, the compressor 11 and other elements by collecting data such as temperature, pressure, flow, liquid level and the like.

As shown in fig. 3, the working principle of the present technical solution is: the compressed refrigerant is condensed in the condenser and then exchanges heat in the plate heat exchanger, cooling water is sent into the cold water chamber through the circulating pump after being refrigerated, and hot water in the hot water chamber is kept at a certain temperature after being subjected to heat exchange through the electric heating 26 or the laser load. The hot water and the cold water are mixed according to the proportion under the control of the electric proportional control valve 24 to reach the required temperature, the plurality of electric proportional control valves 24 form the output of a plurality of cooling liquids with different temperatures, and then the cooling liquids are conveyed to different loads through the corresponding liquid supply pumps 22, so that the aim of supplying liquid at a plurality of groups of different temperatures is fulfilled.

Claims

1. A high-precision multiple-liquid-supply-temperature laser cooling device comprises an indoor unit and an outdoor unit, and is characterized in that the outdoor unit comprises an outer box body, condenser assemblies are respectively mounted on two side walls of the outer box body, a compressor, a plate type heat exchanger, a circulating pump, a liquid storage device, a drying filter and an expansion valve are mounted in the outer box body, the compressor and the liquid storage device are mounted on the bottom surface in the outer box body, the circulating pump and the plate type heat exchanger are mounted on the middle upper portion of the outer box body, the compressor, the condenser assemblies, the liquid storage device, the drying filter, the expansion valve and the plate type heat exchanger are sequentially connected in series through pipelines to form a refrigeration loop, and the circulating pump is communicated with a cooling water channel of the plate type heat exchanger through a pipeline; the indoor unit comprises an inner box body, an electric cabinet, a liquid supply pump, a filter, a proportional control three-way valve and a water tank, wherein the liquid supply pump is arranged on the bottom surface in the inner box body; the hot water chamber is internally provided with electric heating; the bottom of cold water room and hot water chamber is connected with electronic proportion regulation three-way valve through the pipeline respectively, the output connection liquid feed pump of electronic proportion regulation three-way valve, the output tube of box in the liquid feed pump process filter connection.

2. The cooling device for the laser with multiple high-precision liquid supply temperatures according to claim 1, wherein a plurality of liquid supply pumps and a plurality of corresponding electric proportional control three-way valves are installed in the inner box body, two water inlets of each proportional control three-way valve are respectively connected with the bottoms of the hot water chamber and the cold water chamber, water outlets of the proportional control three-way valves are connected with the corresponding liquid supply pumps, each liquid supply pump is connected with a corresponding cooling water inlet of a load through an output pipeline, and a cooling water outlet of each load is connected with the hot water chamber through a pipeline.

3. A high accuracy multiple feed liquid temperature laser cooling apparatus as defined in claim 2, wherein said output pipe is fitted with a filter, a flow meter, a temperature sensor and a pressure sensor.

4. A high accuracy multiple supply liquid temperature laser cooling apparatus as claimed in claim 1, wherein said condenser assembly comprises condensers and fans, the condensers are mounted on both sides of the outer box and located between the front and rear sides of the outer box, and two or more fans are mounted on the outside of each condenser.

5. A high precision multiple supply liquid temperature laser cooling device as claimed in claim 4, wherein the front and rear sides of the outer case are louvres.

6. A high accuracy multiple feed liquid temperature laser cooling device as defined in claim 1, wherein said cold water chamber and said hot water chamber are connected to a feed line and a discharge line, respectively.

7. A high-precision multiple-liquid-supply-temperature laser cooling device as claimed in claim 1, wherein the electric control box collects signals of a flow meter, a temperature sensor and a pressure sensor through a PLC control circuit and controls the compressor, the condenser assembly, the circulating pump, the liquid supply pump and the electric proportional three-way valve.