CN104602485B - Wide-temperature-range type efficient liquid cooling circulating temperature control device and control method thereof - Google Patents
Wide-temperature-range type efficient liquid cooling circulating temperature control device and control method thereof Download PDFInfo
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- CN104602485B CN104602485B CN201410741557.0A CN201410741557A CN104602485B CN 104602485 B CN104602485 B CN 104602485B CN 201410741557 A CN201410741557 A CN 201410741557A CN 104602485 B CN104602485 B CN 104602485B
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Abstract
The invention provides a wide-temperature-range type efficient liquid cooling circulating temperature control device. The device comprises a main control system, a compressor, a condenser, an expansion valve, a plate type heat exchanger, an air blower, a liquid storing box, a circulating pump, an air cooler, a temperature sensor, a pressure sensor, a first solenoid valve, a second solenoid valve, a third solenoid valve, a fourth solenoid valve, a fifth solenoid valve, a sixth solenoid valve and a seventh solenoid valve. The invention further provides a control method of the wide-temperature-range type efficient liquid cooling circulating temperature control device. According to the device and method, the condensing temperature of a refrigerant in the condenser is lowered down through self-circulating liquid, and thus the refrigerating efficiency under a high temperature environment is increased; a forced air cooling mode is adopted in the low temperature environment, so that the power consumption can be decreased, and the energy can be effectively saved.
Description
Technical field
The present invention relates to environment control technology field in electronic device works, specifically a kind of wide warm area highly effective liquid cooling circulation
Attemperating unit and its control method.
Background technology
With electronic equipment integration degree more and more higher, the caloric value of electronic equipment is presented geometry level and increases, heat without
Method is derived in time can cause electronic device works inefficiency, or even components and parts to be burnt.The cold kind of refrigeration cycle mode of traditional liquid is
Using compression refrigeration, after reducing temperature of liquid, transporting low temperature refrigerating liquid carries out reciprocation cycle through external heat load, reduces heat
Loaded work piece temperature.But for special trade, in high temperature environments, compress delivery temperature and the condensation temperature meeting of refrigeration
It is very high, it is unfavorable for working long hours；At low ambient temperatures, the mode of compression refrigeration is easily caused compressor and occurs being similar to liquid hammer damage
Bad such phenomenon of the failure, is also unfavorable for working long hours.
The content of the invention
It is an object of the invention to provide a kind of wide warm area highly effective liquid cooling circulation attemperating unit and its control method, using pressure
The characteristics of time liquid temp of contracting mechanism cold is relatively low, reduces to the air themperature through condenser, so as to reach effectively mitigation
High condensation temperature, lifts the purpose of refrigerating efficiency；Using air themperature under low temperature environment it is relatively low the characteristics of, it is indirectly empty using low temperature
Gas is reduced to electronic device operating temperature.
The technical scheme is that：
A kind of wide warm area highly effective liquid cooling circulates attemperating unit, including master control system, compressor, condenser, expansion valve, board-like
Heat exchanger, blower fan, reserving liquid tank and circulating pump, the compressor, condenser, expansion valve and plate type heat exchanger are followed successively by pipeline
Ring connects, and the liquid outlet of the reserving liquid tank is connected with the inlet of circulating pump by pipeline, and the blower fan is arranged on condenser
Side, the device also includes air cooler, temperature sensor, pressure transducer, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetism
Valve, the 4th electromagnetic valve, the 5th electromagnetic valve, the 6th electromagnetic valve and the 7th electromagnetic valve；The air cooler is arranged on the side of condenser,
Air draught flows to condenser by air cooler；The temperature sensor is used to detect ambient temperature that the pressure transducer to be arranged
In condensator outlet, for detecting the saturation of the air pressure of condensator outlet；The temperature sensor and pressure transducer it is defeated
Go out end to be connected with the input of master control system, the outfan of the master control system respectively with compressor, blower fan, circulating pump, first
The control of electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, the 5th electromagnetic valve, the 6th electromagnetic valve and the 7th electromagnetic valve
Input connection processed；
First electromagnetic valve is arranged on the pipeline between the liquid outlet of circulating pump and the inlet of plate type heat exchanger；Institute
State on the pipeline that the second electromagnetic valve is arranged between the liquid outlet of circulating pump and the inlet of air cooler；3rd electromagnetic valve sets
Put on the pipeline between the liquid outlet of air cooler and the inlet of reserving liquid tank；4th electromagnetic valve is arranged on external heat load
Liquid outlet and the inlet of reserving liquid tank between pipeline on；5th electromagnetic valve be arranged on the liquid outlet of external heat load with
On pipeline between the inlet of air cooler；6th electromagnetic valve is arranged on the liquid outlet of air cooler and entering for external heat load
On pipeline between liquid mouth；7th electromagnetic valve be arranged on the liquid outlet of plate type heat exchanger and external heat load inlet it
Between pipeline on.
Described a kind of wide warm area highly effective liquid cooling circulates the control method of attemperating unit, and the method is comprised the following steps：
（1）Master control system is judged the ambient temperature information that temperature sensor is detected, if normal temperature environment, is then performed
Step（2）If, low temperature environment, then execution step（3）If, hot environment, then execution step（4）；
（2）Master control system controls the first electromagnetic valve, the 4th electromagnetic valve and the 7th electromagnetic valve and opens, the second electromagnetic valve, the 3rd
Electromagnetic valve, the 5th electromagnetic valve and the 6th closed electromagnetic valve；Circulating pump conveys the electromagnetic valve of circulating liquid Jing first in reserving liquid tank
Cooled down to plate type heat exchanger, the electromagnetic valve of circulating liquid Jing the 7th after cooling reaches external heat load, absorbed external heat negative
After the heat of load, the electromagnetic valves of Jing the 4th return to reserving liquid tank；
（3）Master control system controls the second electromagnetic valve, the 4th electromagnetic valve and the 6th electromagnetic valve and opens, the first electromagnetic valve, the 3rd
Electromagnetic valve, the 5th electromagnetic valve and the 7th closed electromagnetic valve；Circulating pump conveys the electromagnetic valve of circulating liquid Jing second in reserving liquid tank
To air cooler, cooled down using Cryogenic air air-flow, the electromagnetic valve of circulating liquid Jing the 6th after cooling reaches external heat load,
After absorbing the heat of external heat load, the electromagnetic valves of Jing the 4th return to reserving liquid tank；
（4）The saturation of the air pressure information of the condensator outlet that master control system is detected to pressure transducer judges, if
The saturation of the air pressure of condensator outlet is higher than predetermined threshold value, then execution step（5）If, the saturation of the air pressure of condensator outlet
Less than predetermined threshold value, then execution step（2）；
（5）Master control system controls the first electromagnetic valve, the 3rd electromagnetic valve, the 5th electromagnetic valve and the 7th electromagnetic valve and opens, and second
Electromagnetic valve, the 4th electromagnetic valve and the 6th closed electromagnetic valve；Circulating pump conveys the electromagnetic valve of circulating liquid Jing first in reserving liquid tank
Cooled down to plate type heat exchanger, the electromagnetic valve of circulating liquid Jing the 7th after cooling reaches external heat load, absorbed external heat negative
After the heat of load, the electromagnetic valves of Jing the 5th reach air cooler, and after the heat exchange of high temperature air air-flow, the electromagnetic valves of Jing the 3rd return to liquid storage
Case；Condenser is flowed to by air cooler with the Cryogenic air air-flow obtained after circulating liquid heat exchange, with the cold-producing medium heat in condenser
Exchange, reduce the condensation temperature of cold-producing medium.
As shown from the above technical solution, the present invention is followed under different ambient temperature conditions using different refrigeration works
Circulation journey, reduces the purpose of electronic device work radiating, and hot environment reduces freezing in condenser using self-loopa liquid
The condensation temperature of agent, low temperature environment can automatically switch to difference using pressure air refrigerating mode, hot environment and low temperature environment
, there is efficient operating point in refrigeration mode, in hot environment and low temperature environment so as to solve liquid SAPMAC method attemperating unit in height
Warm environment and the adaptability of low temperature environment work, reduce power consumption at low ambient temperatures, effective save energy, while putting forward
High condensation efficiency in high temperature environments.
Description of the drawings
Fig. 1 is the principle of device schematic diagram of the present invention；
Fig. 2 is the air heat-exchange schematic diagram of the present invention；
Fig. 3 is the hot operation circulation figure of the present invention；
Fig. 4 is the room temperature working cycle diagram of the present invention；
Fig. 5 is the low-temperature working circulation figure of the present invention.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of wide warm area highly effective liquid cooling circulates attemperating unit, including master control system, compressor 8, condenser
9th, air cooler 10, blower fan 11, expansion valve 12, plate type heat exchanger 13, reserving liquid tank 14, circulating pump 15, temperature sensor 17, pressure is passed
Sensor 18, the first electromagnetic valve 1, the second electromagnetic valve 2, the 3rd electromagnetic valve 3, the 4th electromagnetic valve 4, the 5th electromagnetic valve 5, the 6th electromagnetic valve
6 and the 7th electromagnetic valve 7.Compressor 8, condenser 9, expansion valve 12 and plate type heat exchanger 13 circulate successively connection by pipeline, storage
The liquid outlet of liquid case 14 is connected with the inlet of circulating pump 15 by pipeline.Blower fan 11 is arranged on condenser 9 and air cooler 10
Side, condenser 9 is integrated design or independent design with air cooler 10, and along the trend of air draught, air cooler 10 is placed in cold
The front side of condenser 9, i.e. air draught flow to condenser 9 by air cooler 10, as shown in Figure 2.
Temperature sensor 17 is used to detect ambient temperature that pressure transducer 18 to be arranged on condenser 9 and exports, cold for detecting
The saturation of the air pressure of the outlet of condenser 9.The outfan of temperature sensor 17 and pressure transducer 18 and the master of electric control circuit
The input connection of control system, the outfan of master control system respectively with compressor 8, blower fan 11, circulating pump 15, the first electromagnetic valve 1,
The control of the second electromagnetic valve 2, the 3rd electromagnetic valve 3, the 4th electromagnetic valve 4, the 5th electromagnetic valve 5, the 6th electromagnetic valve 6 and the 7th electromagnetic valve 7
Input connection processed.
First electromagnetic valve 1 is arranged on the pipeline between the inlet of the liquid outlet of circulating pump 15 and plate type heat exchanger 13.
Second electromagnetic valve 2 is arranged on the pipeline between the inlet of the liquid outlet of circulating pump 15 and air cooler 10.3rd electromagnetic valve 3 sets
Put on the pipeline between the liquid outlet of air cooler 10 and the inlet of reserving liquid tank 14.It is negative that 4th electromagnetic valve 4 is arranged on external heat
Carry on the pipeline between 16 liquid outlet and the inlet of reserving liquid tank 14.5th electromagnetic valve 5 is arranged on going out for external heat load 16
On pipeline between the inlet of liquid mouth and air cooler 10.6th electromagnetic valve 6 is arranged on the liquid outlet and external heat of air cooler 10
On pipeline between the inlet of load 16.7th electromagnetic valve 7 is arranged on the liquid outlet of plate type heat exchanger 13 and external heat load
On pipeline between 16 inlet.
In hot environment, if master control system monitors that the saturation of the air pressure that condenser 9 is exported is higher, the is opened
One electromagnetic valve 1, the 3rd electromagnetic valve 3, the 5th electromagnetic valve 5 and the 7th electromagnetic valve 7, close the second electromagnetic valve 2, the and of the 4th electromagnetic valve 4
6th electromagnetic valve 6；As shown in figure 3, circulating liquid through plate type heat exchanger 13 after cooling, the electromagnetic valves 7 of Jing the 7th are reached
External heat load 16, after absorbing the heat of external heat load 16, the 5th electromagnetic valves of Jing 5 reach air cooler 10, with high temperature air gas
After stream heat exchange, the electromagnetic valves 3 of Jing the 3rd return to reserving liquid tank 14；With the Cryogenic air air-flow obtained after circulating liquid heat exchange by air cooler
10 flow to condenser 9, with the cold-producing medium heat exchange in condenser 9, reduce the condensation temperature of cold-producing medium under hot environment
Purpose.
If master control system monitors that the saturation of the air pressure that condenser 9 is exported is relatively low, open the first electromagnetic valve 1, the
Four electromagnetic valves 4 and the 7th electromagnetic valve 7, close the second electromagnetic valve 2, the 3rd electromagnetic valve 3, the 5th electromagnetic valve 5 and the 6th electromagnetic valve 6；
As shown in figure 4, circulating liquid is after plate type heat exchanger 13 cools, the electromagnetic valves 7 of Jing the 7th reach external heat load 16, inhale
After receiving the heat of external heat load 16, the electromagnetic valves 4 of Jing the 4th are returned directly to reserving liquid tank 14.
In low temperature environment, the second electromagnetic valve 2, the 4th electromagnetic valve 4 and the 6th electromagnetic valve 6 are opened, close the first electromagnetic valve
1st, the 3rd electromagnetic valve 3, the 5th electromagnetic valve 5 and the 7th electromagnetic valve 7；As shown in figure 5, being entered to circulating liquid using Cryogenic air air-flow
Row cooling, the electromagnetic valve 6 of circulating liquid Jing the 6th after cooling reaches external heat load 16, absorbs the heat of external heat load 16
Afterwards, the electromagnetic valves 4 of Jing the 4th return to reserving liquid tank 14；Master control system is controlled after circulating liquid cooling by controlling the start and stop of blower fan 11
Temperature.
The above embodiment is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of without departing from design spirit of the present invention, technical side of the those of ordinary skill in the art to the present invention
Various modifications and improvement that case is made, all should fall in the protection domain of claims of the present invention determination.
Claims (2)
1. a kind of wide warm area highly effective liquid cooling circulates attemperating unit, including master control system, compressor, condenser, expansion valve, board-like changes
Hot device, blower fan, reserving liquid tank and circulating pump, the compressor, condenser, expansion valve and plate type heat exchanger are circulated successively by pipeline
Connection, the liquid outlet of the reserving liquid tank is connected with the inlet of circulating pump by pipeline, and the blower fan is arranged on the one of condenser
Side, it is characterised in that：
The device also includes air cooler, temperature sensor, pressure transducer, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetism
Valve, the 4th electromagnetic valve, the 5th electromagnetic valve, the 6th electromagnetic valve and the 7th electromagnetic valve；The air cooler is arranged on the side of condenser,
Air draught flows to condenser by air cooler；The temperature sensor is used to detect ambient temperature that the pressure transducer to be arranged
In condensator outlet, for detecting the saturation of the air pressure of condensator outlet；The temperature sensor and pressure transducer it is defeated
Go out end to be connected with the input of master control system, the outfan of the master control system respectively with compressor, blower fan, circulating pump, first
The control of electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, the 5th electromagnetic valve, the 6th electromagnetic valve and the 7th electromagnetic valve
Input connection processed；
First electromagnetic valve is arranged on the pipeline between the liquid outlet of circulating pump and the inlet of plate type heat exchanger；Described
Two electromagnetic valves are arranged on the pipeline between the liquid outlet of circulating pump and the inlet of air cooler；3rd electromagnetic valve is arranged on
On pipeline between the liquid outlet of air cooler and the inlet of reserving liquid tank；4th electromagnetic valve is arranged on going out for external heat load
On pipeline between liquid mouth and the inlet of reserving liquid tank；5th electromagnetic valve is arranged on the liquid outlet and air cooling of external heat load
On pipeline between the inlet of device；6th electromagnetic valve is arranged on the liquid outlet of air cooler and the inlet of external heat load
Between pipeline on；7th electromagnetic valve is arranged between the inlet of the liquid outlet of plate type heat exchanger and external heat load
On pipeline；
The master control system is judged the ambient temperature information that temperature sensor is detected, if normal temperature environment, then master control system
System the first electromagnetic valve of control, the 4th electromagnetic valve and the 7th electromagnetic valve are opened, the second electromagnetic valve, the 3rd electromagnetic valve, the 5th electromagnetic valve
With the 6th closed electromagnetic valve；If low temperature environment, then master control system controls the second electromagnetic valve, the 4th electromagnetic valve and the 6th electromagnetic valve
Open, the first electromagnetic valve, the 3rd electromagnetic valve, the 5th electromagnetic valve and the 7th closed electromagnetic valve；If hot environment, then master control system
The saturation of the air pressure information of the condensator outlet of pressure transducer detection is judged, if the saturation of the air of condensator outlet
Pressure is higher than predetermined threshold value, then the first electromagnetic valve of master control system control, the 3rd electromagnetic valve, the 5th electromagnetic valve and the 7th electromagnetic valve are opened
Open, the second electromagnetic valve, the 4th electromagnetic valve and the 6th closed electromagnetic valve；If the saturation of the air pressure of condensator outlet is less than default threshold
Value, then master control system control the first electromagnetic valve, the 4th electromagnetic valve and the 7th electromagnetic valve and open, the second electromagnetic valve, the 3rd electromagnetic valve,
5th electromagnetic valve and the 6th closed electromagnetic valve.
2. a kind of wide warm area highly effective liquid cooling according to claim 1 circulates the control method of attemperating unit, it is characterised in that
The method is comprised the following steps：
（1）Master control system is judged the ambient temperature information that temperature sensor is detected, if normal temperature environment, then execution step
（2）If, low temperature environment, then execution step（3）If, hot environment, then execution step（4）；
（2）Master control system controls the first electromagnetic valve, the 4th electromagnetic valve and the 7th electromagnetic valve and opens, the second electromagnetic valve, the 3rd electromagnetism
Valve, the 5th electromagnetic valve and the 6th closed electromagnetic valve；The electromagnetic valve of circulating liquid Jing first in reserving liquid tank is delivered to plate by circulating pump
Formula heat exchanger is cooled down, and the electromagnetic valve of circulating liquid Jing the 7th after cooling reaches external heat load, absorbs external heat load
After heat, the electromagnetic valves of Jing the 4th return to reserving liquid tank；
（3）Master control system controls the second electromagnetic valve, the 4th electromagnetic valve and the 6th electromagnetic valve and opens, the first electromagnetic valve, the 3rd electromagnetism
Valve, the 5th electromagnetic valve and the 7th closed electromagnetic valve；The electromagnetic valve of circulating liquid Jing second in reserving liquid tank is delivered to sky by circulating pump
Cooler, is cooled down using Cryogenic air air-flow, and the electromagnetic valve of circulating liquid Jing the 6th after cooling reaches external heat load, is absorbed
After the heat of external heat load, the electromagnetic valves of Jing the 4th return to reserving liquid tank；
（4）The saturation of the air pressure information of the condensator outlet that master control system is detected to pressure transducer judges, if condensation
The saturation of the air pressure of device outlet is higher than predetermined threshold value, then execution step（5）If the saturation of the air pressure of condensator outlet is less than
Predetermined threshold value, then execution step（2）；
（5）Master control system controls the first electromagnetic valve, the 3rd electromagnetic valve, the 5th electromagnetic valve and the 7th electromagnetic valve and opens, the second electromagnetism
Valve, the 4th electromagnetic valve and the 6th closed electromagnetic valve；The electromagnetic valve of circulating liquid Jing first in reserving liquid tank is delivered to plate by circulating pump
Formula heat exchanger is cooled down, and the electromagnetic valve of circulating liquid Jing the 7th after cooling reaches external heat load, absorbs external heat load
After heat, the electromagnetic valves of Jing the 5th reach air cooler, and after the heat exchange of high temperature air air-flow, the electromagnetic valves of Jing the 3rd return to reserving liquid tank；With
The Cryogenic air air-flow that obtains flows to condenser by air cooler after circulating liquid heat exchange, and the cold-producing medium heat exchange in condenser,
Reduce the condensation temperature of cold-producing medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410741557.0A CN104602485B (en) | 2014-12-09 | 2014-12-09 | Wide-temperature-range type efficient liquid cooling circulating temperature control device and control method thereof |
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| CN201410741557.0A CN104602485B (en) | 2014-12-09 | 2014-12-09 | Wide-temperature-range type efficient liquid cooling circulating temperature control device and control method thereof |
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| CN104602485A CN104602485A (en) | 2015-05-06 |
| CN104602485B true CN104602485B (en) | 2017-05-03 |
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| CN113074473B (en) * | 2021-03-17 | 2022-06-28 | 中国电子科技集团公司第二十九研究所 | Consumable evaporation refrigerating device and using method |
| CN113238591B (en) * | 2021-07-13 | 2021-09-28 | 北京力耘柯创医学研究院 | Liquid conveying temperature control equipment |
| CN114136045A (en) * | 2021-11-19 | 2022-03-04 | 合肥天鹅制冷科技有限公司 | Self-adjusting power-saving heating temperature control device |
| CN114520383A (en) * | 2022-02-22 | 2022-05-20 | 广东海悟科技有限公司 | Immersed liquid cooling system and control method |
| CN114501955A (en) * | 2022-02-22 | 2022-05-13 | 广东海悟科技有限公司 | Self-circulation type liquid cooling system and control method |
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Address after: 230088 658 Wangjiang West Road, Hefei high tech Zone, Anhui Patentee after: CHINA ELECTRONICS TECHNOLOGY Group CORPORATION NO 16 INSTITUTE Address before: 230043 No. 439, Suixi Road, Hefei, Anhui Patentee before: CHINA ELECTRONICS TECHNOLOGY Group CORPORATION NO 16 INSTITUTE |