CN219283662U

CN219283662U - High-efficiency energy-saving double-temperature variable-frequency laser water chiller

Info

Publication number: CN219283662U
Application number: CN202222408313.3U
Authority: CN
Inventors: 张楚坤; 余叶飞; 刘龙泉
Original assignee: Jiangxi Ruike Refrigeration Technology Co ltd
Current assignee: Jiangxi Ruike Refrigeration Technology Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-06-30
Anticipated expiration: 2032-09-13

Abstract

The utility model relates to the field of laser water coolers, and provides a high-efficiency energy-saving dual-temperature variable-frequency laser water cooler, which comprises a variable-frequency compressor; refrigerant gas is filled in the variable frequency compressor, the variable frequency compressor compresses the refrigerant gas with low temperature and low pressure into gas with high temperature and high pressure, the gas enters the fin condenser to release heat to the environment to be condensed into liquid refrigerant with high temperature and high pressure, and one path of liquid refrigerant directly enters the electronic expansion valve; the device utilizes a variable frequency driving technology to enable the compressor to adapt to the change of different use temperatures, adjusts the output power to keep the machine stably running, and avoids the frequent starting of the machine to consume a large amount of electric energy; meanwhile, according to the characteristic that the compressor is not stopped, the heat of the high-temperature refrigerant is utilized to carry out auxiliary temperature control on the other waterway through coil pipe heat exchange, so that the energy consumption of heating by the electric heating pipe is reduced; the cold and heat sources of the machine can be fully utilized, energy conservation and emission reduction are realized, the environment-friendly energy conservation policy implemented by the nation is responded, the running cost of the machine is reduced, and long-term economic benefit is brought to customers.

Description

High-efficiency energy-saving double-temperature variable-frequency laser water chiller

Technical Field

The utility model relates to the technical field of laser water coolers, in particular to a high-efficiency energy-saving dual-temperature variable-frequency laser water cooler.

Background

Because the laser can generate heat during operation, the condensing mirror surface can deform due to the excessively high temperature, and the smaller the temperature fluctuation is, the smaller the deformation amount is, the higher the working efficiency of the laser is; the mirror surface part needs to be controlled by high-precision constant temperature water, and meanwhile, the environment temperature of the laser is cooled by constant temperature water with the temperature of +/-1 ℃ so as to avoid the influence of temperature and humidity changes. In order to reduce the cooling equipment used, the cooler is provided with two groups of water supply loops with different temperatures for cooling and controlling the temperature of different parts of the laser. The main flow mode in the market at present is fixed-frequency refrigerating system plus electrothermal tube PID control or variable-frequency refrigerating system plus electrothermal tube PID control, and is matched with a single pump distribution cooling loop for cooling or matched with double pumps for independent water supply for cooling, and the two temperature control modes are used for ensuring that the cold water supply loop can meet the temperature requirement of +/-1 ℃, and the auxiliary temperature control of the electrothermal tube is required, so that the energy consumption is high. Therefore, it is necessary to develop an energy-saving dual-temperature variable-frequency laser water chiller.

Disclosure of Invention

The utility model aims to solve the problems in the background technology and provides a high-efficiency energy-saving double-temperature variable-frequency laser water chiller.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an efficient energy-saving double-temperature variable-frequency laser water chiller comprises a variable-frequency compressor;

the variable frequency compressor compresses low-temperature and low-pressure refrigerant gas into high-temperature and high-pressure gas, the high-temperature and high-pressure gas enters the fin condenser to emit heat to the environment to be condensed into high-temperature and high-pressure liquid refrigerant, one path of liquid refrigerant directly enters the electronic expansion valve, the other path of liquid refrigerant enters the heat exchange coil through the liquid pipe electromagnetic valve to exchange heat with cooling liquid in the heating cylinder to form supercooled liquid refrigerant, the supercooled liquid refrigerant is mixed with the high-temperature and high-pressure liquid refrigerant to enter the electronic expansion valve to be subjected to heat insulation depressurization, low-temperature and low-pressure liquid refrigerant vapor from the variable frequency compressor is directly depressurized into high-temperature and low-pressure vapor through the auxiliary electronic valve to enter the plate evaporator, the high-temperature and low-pressure vapor is mixed with low-temperature and low-pressure two-phase refrigerant from the electronic expansion valve, the low-temperature and low-pressure vapor enters the plate evaporator to evaporate and absorb heat to form low-temperature and low-pressure gas through heat exchange with cooling liquid, and the water pump distributes cooling liquid from the water tank to the water tank, and one path of cooling liquid refrigerant enters the water filter to the use end to be cooled and then returns to the plate evaporator to the water tank to be subjected to heat exchange; the other path of cooling liquid enters the heating cylinder for temperature control, and enters the water tank after flowing through the water filter, entering the using end for cooling and returning to the plate type evaporator for heat exchange, and the variable frequency compressor is provided with a controller.

Preferably, a first temperature sensing probe is installed in the water tank, a second temperature sensing probe is installed in the heating cylinder, and the first temperature sensing probe and the second temperature sensing probe are electrically connected with the controller.

Preferably, the motor used by the variable frequency compressor is a variable frequency motor, and the motor is electrically connected with the controller.

Preferably, the electronic expansion valve and the auxiliary electronic valve are electrically connected with the controller.

Preferably, the liquid pipe electromagnetic valve is electrically connected with the controller.

Advantageous effects

1. The device utilizes a variable frequency driving technology to enable the compressor to adapt to the change of different use temperatures, adjusts the output power to keep the machine stably running, and avoids the frequent starting of the machine to consume a large amount of electric energy; meanwhile, according to the characteristic that the compressor is not stopped, the heat of the high-temperature refrigerant is utilized to carry out auxiliary temperature control on the other waterway through coil pipe heat exchange, so that the energy consumption of heating by the electric heating pipe is reduced; the cold and heat sources of the machine can be fully utilized, energy conservation and emission reduction are realized, the environment-friendly energy conservation policy implemented by the nation is responded, the running cost of the machine is reduced, and long-term economic benefit is brought to customers.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic flow chart of the working principle of the utility model.

Fig. 2 is a schematic diagram of an electronic component connection structure according to the present utility model.

Legend description: 1. a variable frequency compressor; a 2-fin condenser; 3. an electronic expansion valve; 4. a plate evaporator; 5. an auxiliary electronic valve; 6. a liquid pipe electromagnetic valve; 7. a water pump; 8. a heating cylinder; 9. a heat exchange coil; 10. a water tank; 11. a first temperature sensing probe; 12. a second temperature sensing probe; 13. a water filter.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.

Referring to fig. 1-2, a high-efficiency energy-saving dual-temperature variable-frequency laser water chiller comprises a variable-frequency compressor 1;

the variable frequency compressor 1 is internally filled with refrigerant gas, the variable frequency compressor 1 compresses low-temperature and low-pressure refrigerant gas into high-temperature and high-pressure gas, the high-temperature and high-pressure gas enters the fin condenser 2 to emit heat to the environment to be condensed into high-temperature and high-pressure liquid refrigerant, one path of liquid refrigerant is directly fed into the electronic expansion valve 3, the other path of liquid refrigerant enters the heat exchange coil 9 through the liquid pipe electromagnetic valve 6 to exchange heat with cooling liquid in the heating cylinder 8, supercooled liquid refrigerant is formed and then mixed with the high-temperature and high-pressure liquid refrigerant to enter the electronic expansion valve 3 to be subjected to heat insulation depressurization, low-temperature and low-pressure liquid refrigerant enters the inlet of the plate evaporator 4, in addition, high-temperature and high-pressure refrigerant steam from the variable frequency compressor 1 is directly depressurized into high-temperature and low-pressure steam through the auxiliary electronic valve 5 to enter the inlet of the plate evaporator 4 to be mixed with low-temperature and low-pressure two-phase refrigerant from the electronic expansion valve 3, the low-temperature and low-pressure refrigerant enters the plate evaporator 4 to be evaporated to absorb heat into low-temperature and low-pressure gas through the heat exchange, and the water pump 7 distributes the cooling liquid from the water tank 10 to the pumping path into the water through the water filter 13 to the water tank to enter the use end to be cooled and then back into the plate evaporator 4 to be subjected to heat exchange; the other path of cooling liquid enters the heating cylinder 8 for temperature control, enters the water tank 10 after flowing through the water filter 13, enters the using end for cooling and returns to the plate type evaporator 4 for heat exchange, and a controller is arranged on the variable frequency compressor 1.

The first temperature sensing probe 11 is installed in the water tank 10, the second temperature sensing probe 12 is installed in the heating cylinder 8, the first temperature sensing probe 11 and the second temperature sensing probe 12 are electrically connected with the controller, and the first temperature sensing probe 11 and the second temperature sensing probe 12 sense the temperature in the water tank 10 and the heating cylinder 8 and transmit the temperature to the controller.

The motor used by the variable frequency compressor 1 is a variable frequency motor, and the motor is electrically connected with the controller, and the running frequency of the motor in the variable frequency compressor 1 can be controlled by the controller.

The electronic expansion valve 3 and the auxiliary electronic valve 5 are electrically connected with a controller, and the opening degree of the electronic expansion valve 3 and the opening degree of the auxiliary electronic valve 5 can be controlled by the controller.

The liquid pipe electromagnetic valve 6 is electrically connected with the controller, and the opening degree of the liquid pipe electromagnetic valve 6 can be controlled by the controller.

Working principle:

the operation frequency of the variable frequency compressor 1 is determined and regulated according to the difference between the temperature of the cooling liquid in the water tank 10 and the set temperature detected by the first temperature sensing probe 11 according to the size of the load at the use end, and the change of the output energy is realized by the frequency; when the temperature sensing probe I11 detects that the temperature difference between the actual temperature and the set temperature is reduced, the motor frequency of the variable frequency compressor 1 is fed back according to the temperature signal and gradually reduced, and simultaneously the valve opening of the electronic expansion valve 3 and the auxiliary electronic valve 5 is adjusted, so that the cold output is reduced;

conversely, when the temperature sensing probe 11 detects that the temperature difference between the actual temperature and the set temperature is increased, the motor frequency of the variable frequency compressor 1 is gradually increased according to the temperature signal feedback, and simultaneously the valve opening of the electronic expansion valve 3 and the auxiliary electronic valve 5 is adjusted, so that the cold output is improved;

the temperature signal detected by the second temperature sensing probe 12 is fed back to the controller, the valve frequency of the liquid pipe electromagnetic valve 6 is switched according to the temperature difference change, the heat exchange effect of the refrigerant and the cooling liquid in the heat exchange coil 9 is controlled, and the temperature control is realized.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims

1. An efficient energy-saving double-temperature variable-frequency laser water chiller is characterized in that; comprises a variable frequency compressor (1) and a water pump (7);

the variable frequency compressor (1) is internally filled with refrigerant gas, the variable frequency compressor (1) compresses low-temperature and low-pressure refrigerant gas into high-temperature and high-pressure gas, the high-temperature and high-pressure gas enters the fin condenser (2) to emit heat to the environment to be condensed into high-temperature and high-pressure liquid refrigerant, one path of liquid refrigerant is directly fed into the electronic expansion valve (3), the other path of liquid refrigerant enters the heat exchange coil (9) through the liquid pipe electromagnetic valve (6) to be subjected to heat exchange with cooling liquid in the heating cylinder (8) to form supercooled liquid refrigerant, the supercooled liquid refrigerant is mixed with the high-temperature and high-pressure liquid refrigerant to enter the electronic expansion valve (3) to be subjected to heat insulation depressurization, low-temperature and low-pressure liquid refrigerant enters the inlet of the plate-type evaporator (4), in addition, high-temperature and high-pressure refrigerant steam discharged from the variable frequency compressor (1) is directly decompressed into high-temperature and low-pressure steam enters the inlet of the plate-type evaporator (4) through the auxiliary electronic valve (5), the low-temperature and low-pressure two-phase refrigerant is mixed with one path of the electronic expansion valve (3), the low-temperature and low-pressure two-phase refrigerant enters the plate-type evaporator (4) to evaporate and absorb heat to be low-temperature and low-pressure gas, and the water is pumped out of the cooling liquid through the water tank (10) to be returned to the plate-type evaporator (4) through the water tank (10) to the evaporator to the one path of the evaporator to be subjected to heat exchange and the water to the heat exchange and the water tank (13) to enter the water and the water tank to be cooled; the other path of cooling liquid enters the heating cylinder (8) for temperature control, flows through the water filter (13), enters the using end for cooling and then returns to the plate type evaporator (4) for heat exchange, and then enters the water tank (10), and the variable frequency compressor (1) is provided with a controller.

2. The efficient and energy-saving dual-temperature variable-frequency laser water chiller according to claim 1 and characterized in that: the water tank (10) is internally provided with a first temperature sensing probe (11), the heating cylinder (8) is internally provided with a second temperature sensing probe (12), and the first temperature sensing probe (11) and the second temperature sensing probe (12) are electrically connected with the controller.

3. The efficient and energy-saving dual-temperature variable-frequency laser water chiller according to claim 1 and characterized in that: the motor used by the variable frequency compressor (1) is a variable frequency motor, and the motor is electrically connected with the controller.

4. The efficient and energy-saving dual-temperature variable-frequency laser water chiller according to claim 1 and characterized in that: the electronic expansion valve (3) and the auxiliary electronic valve (5) are electrically connected with the controller.

5. The efficient and energy-saving dual-temperature variable-frequency laser water chiller according to claim 1 and characterized in that: the liquid pipe electromagnetic valve (6) is electrically connected with the controller.