CN105704990A - Liquid cooling system and intelligent temperature control unit therefor - Google Patents
Liquid cooling system and intelligent temperature control unit therefor Download PDFInfo
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- CN105704990A CN105704990A CN201610270486.XA CN201610270486A CN105704990A CN 105704990 A CN105704990 A CN 105704990A CN 201610270486 A CN201610270486 A CN 201610270486A CN 105704990 A CN105704990 A CN 105704990A
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- outer circulation
- internal recycle
- liquid
- feed pipe
- liquid back
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20281—Thermal management, e.g. liquid flow control
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a liquid cooling system and an intelligent temperature control unit therefor. The intelligent temperature control unit of the liquid cooing system comprises a controller, an internal circulating liquid supply pipe, an internal circulating liquid return pipe, an external circulating liquid supply pipe, an external circulating liquid return pipe and a heat exchanger, wherein the internal circulating liquid supply pipe communicates with the internal circulating liquid return pipe through the heat exchanger; the external circulating liquid return pipe communicates with the external circulating liquid supply pipe through the heat exchanger; an internal circulating pump is arranged on the internal circulating liquid return pipe or the internal circulating liquid supply pipe; an external circulating pump is arranged on the external circulating liquid supply pipe or the external circulating liquid return pipe; the external circulating pump is electrically connected with the controller through a first transducer; a temperature sensor is arranged on the internal circulating liquid supply pipe; and the temperature sensor and the internal circulating pump are electrically connected with the controller respectively. The supplied liquid temperature of the internal circulating liquid supply pipe is monitored in real time; the frequency of the external circulating pump is adjusted; the supplied liquid temperature of the internal circulating liquid supply pipe is within a deviation range of a preset temperature value; and no condensation on liquid pipes, the liquid cooling module and the like in a machine room is ensured.
Description
Technical field
The present invention relates to liquid cooling system control technology, particularly to a kind of liquid cooling system and intelligent temperature control unit thereof。
Background technology
Along with electronic devices and components integrated level improves, its volume constantly reduces, and performance constantly promotes, and the functional density of chip is also increasing, and traditional wind-cooling heat dissipating mode can not meet growing radiating requirements。Liquid cooling technology provides new solution with its efficient radiating efficiency for high heat flux dissipation from electronic devices, and application is launched in the heart, server, multiple fields such as individual PC etc. in the data, but traditional liquid system, it is easy to liquid pipe in machine room, liquid cooled module etc. produce condensation。
Summary of the invention
Based on this, it is necessary to for the defect of prior art, it is provided that a kind of liquid cooling system and intelligent temperature control unit thereof, the liquid pipe in machine room, liquid cooled module etc. can be prevented effectively from and produce condensation。
Its technical scheme is as follows:
A kind of intelligent temperature control unit of liquid cooling system, including controller, internal recycle feed pipe, internal recycle liquid back pipe, outer circulation feed pipe, outer circulation liquid back pipe and heat exchanger, the entrance of described internal recycle feed pipe is connected by the first passage of described heat exchanger with the outlet of internal recycle liquid back pipe, the allocation units that the outlet of described internal recycle feed pipe is respectively used to liquid cooling system with the entrance of internal recycle liquid back pipe connect, the entrance of described outer circulation liquid back pipe is connected by the second channel of described heat exchanger with the outlet of outer circulation feed pipe, the cooling unit that the entrance of described outer circulation feed pipe is respectively used to liquid cooling system with the outlet of outer circulation liquid back pipe connects, described internal recycle liquid back pipe or internal recycle feed pipe are provided with internal circulation pump, described outer circulation feed pipe or outer circulation liquid back pipe are provided with outer circulation pump, described outer circulation pump is electrically connected with described controller by the first converter, described internal recycle feed pipe is provided with temperature sensor, described temperature sensor, internal circulation pump is electrically connected with described controller respectively。
Its further technical scheme is as follows:
Being provided with outer circulation bypass line between described outer circulation feed pipe and outer circulation liquid back pipe, described outer circulation bypass line is provided with outer circulation bypass valve, and described outer circulation bypass valve is electrically connected with described controller。
Described internal recycle feed pipe is provided with pressure transducer, and described internal recycle liquid back pipe is provided with pressure transducer, and two described pressure transducers are electrically connected with described controller respectively, and described internal circulation pump is electrically connected with described controller by the second converter。
Being provided with internal recycle bypass line between described internal recycle feed pipe and internal recycle liquid back pipe, described internal recycle bypass line is provided with internal recycle bypass valve, and described internal recycle bypass valve is electrically connected with described controller。
The intelligent temperature control unit of described liquid cooling system includes two described heat exchangers, two described internal circulation pumps and two described outer circulation pumps, the first passage of two described heat exchangers is arranged in parallel, the second channel of two described heat exchangers is arranged in parallel, two described internal circulation pumps are connected in parallel on described internal recycle liquid back pipe, and two described outer circulation parallels connection of pumps are on described outer circulation feed pipe。
The intelligent temperature control unit of described liquid cooling system also includes constant pressure arrangement and fluid infusion interface, and described fluid infusion interface, constant pressure arrangement are separately positioned on described internal recycle liquid back pipe, and described fluid infusion interface, constant pressure arrangement are positioned at the liquid feeding side of described internal circulation pump。
Described internal recycle feed pipe, internal recycle liquid back pipe, outer circulation feed pipe and outer circulation liquid back pipe are equipped with air bleeding valve and tapping valve, described air bleeding valve is arranged on the peak of internal recycle feed pipe, internal recycle liquid back pipe, outer circulation feed pipe and outer circulation liquid back pipe, and described tapping valve is arranged on the minimum point of internal recycle feed pipe, internal recycle liquid back pipe, outer circulation feed pipe and outer circulation liquid back pipe。
Described internal recycle feed pipe or internal recycle liquid back pipe, outer circulation liquid back pipe or outer circulation feed pipe are provided with flow transducer, described internal recycle feed pipe or internal recycle liquid back pipe, outer circulation feed pipe or outer circulation liquid back pipe are equipped with filter, described internal circulation pump, outer circulation pump, the liquid feeding side of filter and heat exchanger and tapping side are equipped with pressure transducer, described internal recycle liquid back pipe, outer circulation feed pipe and outer circulation liquid back pipe are equipped with temperature sensor, described flow transducer, pressure transducer and temperature sensor are electrically connected with described controller respectively, described controller is provided with communication interface。
A kind of liquid cooling system, including cooling unit, for providing the allocation units of the cold working medium of liquid and the intelligent temperature control unit of described liquid cooling system to server cabinet, the outlet of described internal recycle feed pipe is connected with described allocation units respectively with the entrance of internal recycle liquid back pipe, described allocation units and internal recycle feed pipe, the first passage of internal recycle liquid back pipe and heat exchanger forms internal recycle loop, the entrance of described outer circulation feed pipe connects with described cooling unit respectively with the outlet of outer circulation liquid back pipe, described cooling unit and outer circulation feed pipe, the second channel of outer circulation liquid back pipe and heat exchanger forms outer circulation loop。
Its further technical scheme is as follows:
Described liquid cooling system includes maintenance unit, multiple described allocation units, described maintenance unit is for being connected the intelligent temperature control unit of described liquid cooling system with each described allocation units, having in described maintenance unit and detect the pressure transducer of single allocation units, temperature sensor and flow transducer, described pressure transducer, temperature sensor and flow transducer are electrically connected with described controller respectively。
Advantage or principle to preceding solution illustrate below:
Above-mentioned liquid cooling system and intelligent temperature control unit thereof, the cold working medium of liquid after absorbing heat from server cabinet in allocation units enters internal recycle liquid back pipe, controller controls internal circulation pump and runs, the cold working medium stream of liquid in internal recycle liquid back pipe is in heat exchanger first passage, the cold working medium of liquid after the cooling of cooled unit enters outer circulation feed pipe, controller controls outer circulation pump operation, the cold working medium stream of liquid in outer circulation feed pipe is in heat exchanger second channel, the cold working medium of liquid in heat exchanger first passage carries out heat exchange with the cold working medium of liquid in its second channel, internal recycle feed pipe is flowed into after the cold working medium cooling of liquid in heat exchanger first passage, the liquid the allocated unit of cold working medium in internal recycle feed pipe is supplied to server cabinet, absorb the heat that server cabinet sends, outer circulation liquid back pipe is flowed into after the cold working medium heat absorption of liquid in heat exchanger second channel, the cold working medium of liquid in outer circulation liquid back pipe returns to cooling unit and again cools down, owing to arranging temperature sensor on internal recycle feed pipe, that monitors internal recycle feed pipe in real time supplies liquid temp, controller controls the first converter according to the liquid temp that supplies of internal recycle feed pipe, regulate the frequency of outer circulation pump, thus regulating the flow of the cold working medium of liquid in outer circulation loop, what make internal recycle feed pipe supplies liquid temp in the deviation range of preset temperature value, realize the internal recycle accurate control for liquid temp, ensure that in machine room, liquid pipe and liquid cooled module etc. do not produce condensation。
Accompanying drawing explanation
Fig. 1 is the schematic diagram of liquid cooling system described in the embodiment of the present invention。
Description of reference numerals:
1, intelligent temperature control unit, 2, cooling unit, 3, allocation units, 4, maintenance unit, 10, controller, 20, internal recycle feed pipe, 210, internal circulation pump, 220, second converter, 30, internal recycle liquid back pipe, 40, outer circulation feed pipe, 50, outer circulation liquid back pipe, 510, outer circulation pump, 520, first converter, 60, heat exchanger, 70, temperature sensor, 80, outer circulation bypass line, 801, outer circulation bypass valve, 90, pressure transducer, 100, internal recycle bypass line, 101, internal recycle bypass valve, 110, constant pressure arrangement, 120, fluid infusion interface, 130, air bleeding valve, 140, tapping valve, 150, flow transducer, 160, filter。
Detailed description of the invention
With reference to Fig. 1, , a kind of intelligent temperature control unit 1 of liquid cooling system, including controller 10, internal recycle feed pipe 20, internal recycle liquid back pipe 30, outer circulation feed pipe 40, outer circulation liquid back pipe 50 and heat exchanger 60, the entrance of described internal recycle feed pipe 20 is connected by the first passage of described heat exchanger 60 with the outlet of internal recycle liquid back pipe 30, the allocation units 3 that the outlet of described internal recycle feed pipe 20 is respectively used to liquid cooling system with the entrance of internal recycle liquid back pipe 30 connect, the entrance of described outer circulation liquid back pipe 50 is connected by the second channel of described heat exchanger 60 with the outlet of outer circulation feed pipe 40, the cooling unit 2 that the entrance of described outer circulation feed pipe 40 is respectively used to liquid cooling system with the outlet of outer circulation liquid back pipe 50 connects, described in the present embodiment, internal recycle liquid back pipe 30 is provided with internal circulation pump 210, described internal circulation pump 210 may also be arranged on internal recycle feed pipe 20 according to the actual requirements, described outer circulation feed pipe 40 is provided with outer circulation pump 510, described outer circulation pump 510 may also be arranged on outer circulation liquid back pipe 50 according to the actual requirements, described outer circulation pump 510 is electrically connected with described controller 10 by the first converter 520, described internal recycle feed pipe 20 is provided with temperature sensor 70, described temperature sensor 70, internal circulation pump 210 is electrically connected with described controller 10 respectively。
The cold working medium of liquid after absorbing heat from server cabinet in allocation units 3 enters internal recycle liquid back pipe 30, controller 10 controls internal circulation pump 210 and runs, the cold working medium stream of liquid in internal recycle liquid back pipe 30 is in heat exchanger 60 first passage, the cold working medium of liquid after the cooling of cooled unit 2 enters outer circulation feed pipe 40, controller 10 controls outer circulation pump 510 and runs, the cold working medium stream of liquid in outer circulation feed pipe 40 is in heat exchanger 60 second channel, the cold working medium of liquid in heat exchanger 60 first passage carries out heat exchange with the cold working medium of liquid in its second channel, internal recycle feed pipe 20 is flowed into after the cold working medium cooling of liquid in heat exchanger 60 first passage, the allocated unit 3 of the cold working medium of liquid in internal recycle feed pipe 20 is supplied to server cabinet, absorb the heat that server cabinet sends, outer circulation liquid back pipe 50 is flowed into after the cold working medium heat absorption of liquid in heat exchanger 60 second channel, the cold working medium of liquid in outer circulation liquid back pipe 50 returns to cooling unit 2 and again cools down, owing to arranging temperature sensor 70 on internal recycle feed pipe 20, that monitors internal recycle feed pipe 20 in real time supplies liquid temp, controller 10 controls the first converter 520 according to the liquid temp that supplies of internal recycle feed pipe 20, regulate the frequency of outer circulation pump 510, thus regulating the flow of the cold working medium of liquid in outer circulation loop, what make internal recycle feed pipe 20 supplies liquid temp in the deviation range of preset temperature value, realize the internal recycle accurate control for liquid temp, ensure that in machine room, liquid pipe and liquid cooled module etc. do not produce condensation。
Being provided with outer circulation bypass line 80 between described outer circulation feed pipe 40 and outer circulation liquid back pipe 50, described outer circulation bypass line 80 is provided with outer circulation bypass valve 801, and described outer circulation bypass valve 801 is electrically connected with described controller 10。When described outer circulation pump 510 frequency reaches minima, the liquid temp that supplies of internal recycle feed pipe 20 still is below preset temperature value, outer circulation bypass valve 801 starts, and controller 10 controls the aperture of outer circulation bypass valve 801 makes being adjusted in the deviation range of preset temperature value for liquid temp of described internal recycle feed pipe 20。Described in the present embodiment, outer circulation bypass line 80 is arranged on the tapping side of outer circulation pump 510, and regulating effect is better。
Described internal recycle feed pipe 20 is provided with pressure transducer 90, described internal recycle liquid back pipe 30 is provided with pressure transducer 90, two described pressure transducers 90 are electrically connected with described controller 10 respectively, and described internal circulation pump 210 is electrically connected with described controller 10 by the second converter 220。Pressure transducer 90 on internal recycle feed pipe 20 detects the liquid supply pressure of internal recycle feed pipe 20, and data are passed to controller 10；Pressure transducer 90 on described internal recycle liquid back pipe 30 detects time hydraulic coupling of internal recycle liquid back pipe 30, and data are passed to controller 10；Controller 10 is according to the hydraulic pressure difference returning hydraulic coupling with internal recycle liquid back pipe 30 of the liquid supply pressure of the current internal recycle feed pipe 20 received and preset pressure value, control instruction is sent to described second converter 220, second converter 220 controls the frequency speed of described internal circulation pump 210 according to described control instruction, the liquid supply pressure of described internal recycle feed pipe 20 is made to be adjusted in the deviation range of preset pressure value with the hydraulic pressure difference returning hydraulic coupling of internal recycle liquid back pipe 30, internal recycle loop keeps level pressure difference to run, it is ensured that each server liquid cold branch road liquid supply rate is uniform。
Being provided with internal recycle bypass line 100 between described internal recycle feed pipe 20 and internal recycle liquid back pipe 30, described internal recycle bypass line 100 is provided with internal recycle bypass valve 101, and described internal recycle bypass valve 101 is electrically connected with described controller 10。When described internal circulation pump 210 frequency reaches minima, when the hydraulic pressure difference returning hydraulic coupling of the liquid supply pressure of internal recycle feed pipe 20 and internal recycle liquid back pipe 30 is still above preset pressure value, internal recycle bypass valve 101 starts, and controller 10 controls the aperture of internal recycle bypass valve 101 makes the liquid supply pressure of internal recycle feed pipe 20 be maintained within the deviation range of preset pressure value with the hydraulic pressure difference returning hydraulic coupling of internal recycle liquid back pipe 30。Internal recycle bypass line 100 described in the present embodiment is arranged on the liquid feeding side of internal circulation pump 210, and regulating effect is better。
The intelligent temperature control unit 1 of the liquid cooling system described in the present embodiment includes 60, two described internal circulation pumps 210 of two described heat exchangers and two described outer circulation pumps 510, the first passage of two described heat exchangers 60 is arranged in parallel, the second channel of two described heat exchangers 60 is arranged in parallel, two described internal circulation pumps 210 are connected in parallel on described internal recycle liquid back pipe 30, and two described outer circulation pumps 510 are connected in parallel on described outer circulation feed pipe 40。Heat exchanger 60, internal circulation pump 210 and outer circulation pump 510 is configured by the using and the reserved, raising system dependability and redundancy, can adopt and switch with electric or manual mode, realize the heat transfer from the outside closed circuit in internal recycle loop, according to the actual requirements, can also only arranging a heat exchanger 60, internal circulation pump 210 and outer circulation pump 510, wherein the accessory cancellation spare part of the using and the reserved can also run, and arranges spare part and is primarily to raising system reliability and redundancy。Described heat exchanger 60 adopts plate type heat exchanger, and its compact conformation, volume are little, lightweight, and augmentation of heat transfer is effective, and is easy to clean and maintenance, it is possible to match other high-performance heat exchangers。
The intelligent temperature control unit 1 of described liquid cooling system also includes constant pressure arrangement 110 and fluid infusion interface 120, described fluid infusion interface 120, constant pressure arrangement 110 are separately positioned on described internal recycle liquid back pipe 30, and described fluid infusion interface 120, constant pressure arrangement 110 are positioned at the liquid feeding side of described internal circulation pump 210。Described constant pressure arrangement 110 adopts expansion drum, guarantee internal recycle loop voltage regulation operation, described fluid infusion interface 120 is for the internal recycle loop cold working medium of replenisher, described fluid infusion interface 120, constant pressure arrangement 110 are positioned at the liquid feeding side of described internal circulation pump 210, it is on low pressure line, make fluid infusion operation regulate with pressure and be more easy to realization, it is to avoid the cold refrigerant leakage of liquid。
Described internal recycle feed pipe 20, internal recycle liquid back pipe 30, outer circulation feed pipe 40 and outer circulation liquid back pipe 50 are equipped with air bleeding valve 130 and tapping valve 140, described air bleeding valve 130 is arranged on the peak of internal recycle feed pipe 20, internal recycle liquid back pipe 30, outer circulation feed pipe 40 and outer circulation liquid back pipe 50, and described tapping valve 140 is arranged on the minimum point of internal recycle feed pipe 20, internal recycle liquid back pipe 30, outer circulation feed pipe 40 and outer circulation liquid back pipe 50。Discharge internal recycle loop and the cold working medium of liquid in outer circulation loop by tapping valve 140 is convenient, institute's internal recycle loop and the incoagulable gas in outer circulation loop can be discharged by air bleeding valve 130。
Described internal recycle feed pipe 20 or internal recycle liquid back pipe 30, outer circulation liquid back pipe 50 or outer circulation feed pipe 40 are provided with flow transducer 150, described internal recycle feed pipe 20 or internal recycle liquid back pipe 30, outer circulation feed pipe 40 or outer circulation liquid back pipe 50 are provided with filter 160, described internal circulation pump 210, outer circulation pump 510, the liquid feeding side of filter 160 and heat exchanger 60 and tapping side are equipped with pressure transducer 90, described internal recycle liquid back pipe 30, outer circulation feed pipe 40 and outer circulation liquid back pipe 50 are equipped with temperature sensor 70, described flow transducer 150, pressure transducer 90 and temperature sensor 70 are electrically connected with described controller 10 respectively, described controller 10 is provided with communication interface。The impurity in the cold working medium of filtrate is carried out by arranging filter 160, carry out the flow detection in inner-outer circulation loop by arranging flow transducer 150, temperature sensor 70, pressure transducer 90 respectively, supply back liquid temp detection and pressure detecting, abnormal if there is the cold working medium flow of liquid；Supply back liquid temp too high or too low；Internal circulation pump 210, outer circulation pump 510, filter 160, heat exchanger 60 the situation such as liquid in-out side pressure difference is normal, controller 10 gives a warning prompting, and can pass through described communication interface such as RS485 standard communication interface, with energy-consumption monitoring system connected network communication。Fig. 1 includes 150, four temperature sensors of two flow transducers, 90, two filters 160 of 70, eight pressure transducers, does not mark out one by one。The quantity of described flow transducer 150, temperature sensor 70, pressure transducer 90 and filter 160, air bleeding valve 130 and tapping valve 140 etc. is actually needed can increase and decrease according to journey; its location under the premise of operation logic can local directed complete set, broadly fall into protection scope of the present invention。
As shown in Figure 1, a kind of liquid cooling system, including cooling unit 2, for providing the allocation units 3 of the cold working medium of liquid and the intelligent temperature control unit 1 of described liquid cooling system to server cabinet, the outlet of described internal recycle feed pipe 20 is connected with described allocation units 3 respectively with the entrance of internal recycle liquid back pipe 30, described allocation units 3 and internal recycle feed pipe 20, the first passage of internal recycle liquid back pipe 30 and heat exchanger 60 forms internal recycle loop, the entrance of described outer circulation feed pipe 40 connects with described cooling unit 2 respectively with the outlet of outer circulation liquid back pipe 50, described cooling unit 2 and outer circulation feed pipe 40, the second channel of outer circulation liquid back pipe 50 and heat exchanger 60 forms outer circulation loop。The intelligent temperature control unit 1 of described liquid cooling system is connected respectively with allocation units 3 and cooling unit 2, collectively constitute a set of liquid cooling system, have concurrently accurate temperature and pressure reduction control, internal circulation pump 210 and outer circulation pump 510 frequency conversion Flow-rate adjustment, liquid cooling system level pressure, fluid infusion, primary liquid distribution, system pressure, temperature and the function such as flow detection, intelligent networking monitoring, it is ensured that in machine room, liquid pipe and liquid cooled module etc. do not produce condensation and server liquid cold branch road liquid supply rate is uniform。
Further, described liquid cooling system includes maintenance unit 4, multiple described allocation units 3, described maintenance unit 4 is for being connected the intelligent temperature control unit 1 of described liquid cooling system with each described allocation units 3, having in described maintenance unit 4 and detect the pressure transducer 90 of single allocation units 3, temperature sensor 70 and flow transducer 150, described pressure transducer 90, temperature sensor 70 and flow transducer 150 are electrically connected with described controller 10 respectively。Wherein allocation units 3 are responsible for providing the cold working medium of liquid to server cabinet, maintenance unit 4 is responsible for connecting the confession liquid back pipe road of the intelligent temperature control unit 1 of the allocation units 3 of each server cabinet and described liquid cooling system, cooling unit 2 is by making full use of natural cooling source, and the heat being responsible for being obtained liquid cooling system from server cabinet by inside and outside closed circuit is discharged to ambient atmosphere。Have in described maintenance unit 4 and detect the pressure transducer 90 of single allocation units 3, temperature sensor 70 and flow transducer 150, can realizing the pressure of each allocation units 3, supply back liquid temp and flow detection, in maintenance unit 4, the parameter of all the sensors carries out management and control also by the controller 10 of the intelligent temperature control unit 1 of described liquid cooling system。
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded。
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention。It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention。Therefore, the protection domain of patent of the present invention should be as the criterion with claims。
Claims (10)
1. the intelligent temperature control unit of a liquid cooling system, it is characterized in that, including controller, internal recycle feed pipe, internal recycle liquid back pipe, outer circulation feed pipe, outer circulation liquid back pipe and heat exchanger, the entrance of described internal recycle feed pipe is connected by the first passage of described heat exchanger with the outlet of internal recycle liquid back pipe, the allocation units that the outlet of described internal recycle feed pipe is respectively used to liquid cooling system with the entrance of internal recycle liquid back pipe connect, the entrance of described outer circulation liquid back pipe is connected by the second channel of described heat exchanger with the outlet of outer circulation feed pipe, the cooling unit that the entrance of described outer circulation feed pipe is respectively used to liquid cooling system with the outlet of outer circulation liquid back pipe connects, described internal recycle liquid back pipe or internal recycle feed pipe are provided with internal circulation pump, described outer circulation feed pipe or outer circulation liquid back pipe are provided with outer circulation pump, described outer circulation pump is electrically connected with described controller by the first converter, described internal recycle feed pipe is provided with temperature sensor, described temperature sensor, internal circulation pump is electrically connected with described controller respectively。
2. the intelligent temperature control unit of liquid cooling system as claimed in claim 1, it is characterized in that, being provided with outer circulation bypass line between described outer circulation feed pipe and outer circulation liquid back pipe, described outer circulation bypass line is provided with outer circulation bypass valve, and described outer circulation bypass valve is electrically connected with described controller。
3. the intelligent temperature control unit of liquid cooling system as claimed in claim 1 or 2, it is characterized in that, described internal recycle feed pipe is provided with pressure transducer, described internal recycle liquid back pipe is provided with pressure transducer, two described pressure transducers are electrically connected with described controller respectively, and described internal circulation pump is electrically connected with described controller by the second converter。
4. the intelligent temperature control unit of liquid cooling system as claimed in claim 3, it is characterized in that, being provided with internal recycle bypass line between described internal recycle feed pipe and internal recycle liquid back pipe, described internal recycle bypass line is provided with internal recycle bypass valve, and described internal recycle bypass valve is electrically connected with described controller。
5. the intelligent temperature control unit of liquid cooling system as claimed in claim 4, it is characterized in that, it includes two described heat exchangers, two described internal circulation pumps and two described outer circulation pumps, the first passage of two described heat exchangers is arranged in parallel, the second channel of two described heat exchangers is arranged in parallel, two described internal circulation pumps are connected in parallel on described internal recycle liquid back pipe, and two described outer circulation parallels connection of pumps are on described outer circulation feed pipe。
6. the intelligent temperature control unit of liquid cooling system as claimed in claim 4, it is characterized in that, it also includes constant pressure arrangement and fluid infusion interface, and described fluid infusion interface, constant pressure arrangement are separately positioned on described internal recycle liquid back pipe, and described fluid infusion interface, constant pressure arrangement are positioned at the liquid feeding side of described internal circulation pump。
7. the intelligent temperature control unit of liquid cooling system as claimed in claim 4, it is characterized in that, described internal recycle feed pipe, internal recycle liquid back pipe, outer circulation feed pipe and outer circulation liquid back pipe are equipped with air bleeding valve and tapping valve, described air bleeding valve is arranged on the peak of internal recycle feed pipe, internal recycle liquid back pipe, outer circulation feed pipe and outer circulation liquid back pipe, and described tapping valve is arranged on the minimum point of internal recycle feed pipe, internal recycle liquid back pipe, outer circulation feed pipe and outer circulation liquid back pipe。
8. the intelligent temperature control unit of liquid cooling system as claimed in claim 4, it is characterized in that, described internal recycle feed pipe or internal recycle liquid back pipe, outer circulation liquid back pipe or outer circulation feed pipe are provided with flow transducer, described internal recycle feed pipe or internal recycle liquid back pipe, outer circulation feed pipe or outer circulation liquid back pipe are equipped with filter, described internal circulation pump, outer circulation pump, the liquid feeding side of filter and heat exchanger and tapping side are equipped with pressure transducer, described internal recycle liquid back pipe, outer circulation feed pipe and outer circulation liquid back pipe are equipped with temperature sensor, described flow transducer, pressure transducer and temperature sensor are electrically connected with described controller respectively, described controller is provided with communication interface。
9. a liquid cooling system, it is characterized in that, including cooling unit, for providing the intelligent temperature control unit of the liquid cooling system described in the allocation units of the cold working medium of liquid and any one of claim 1-8 to server cabinet, the outlet of described internal recycle feed pipe is connected with described allocation units respectively with the entrance of internal recycle liquid back pipe, described allocation units and internal recycle feed pipe, the first passage of internal recycle liquid back pipe and heat exchanger forms internal recycle loop, the entrance of described outer circulation feed pipe connects with described cooling unit respectively with the outlet of outer circulation liquid back pipe, described cooling unit and outer circulation feed pipe, the second channel of outer circulation liquid back pipe and heat exchanger forms outer circulation loop。
10. liquid cooling system as claimed in claim 9, it is characterized in that, including maintenance unit, multiple described allocation units, described maintenance unit is for being connected the intelligent temperature control unit of described liquid cooling system with each described allocation units, having in described maintenance unit and detect the pressure transducer of single allocation units, temperature sensor and flow transducer, described pressure transducer, temperature sensor and flow transducer are electrically connected with described controller respectively。
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| CN106059323A (en) * | 2016-07-08 | 2016-10-26 | 深圳市英威腾电气股份有限公司 | Cooling system of frequency converter |
| CN106659081A (en) * | 2016-12-27 | 2017-05-10 | 广东申菱环境***股份有限公司 | Cooling control system of liquid cooling server and control method thereof |
| CN107072107A (en) * | 2016-12-28 | 2017-08-18 | 广东申菱环境***股份有限公司 | A kind of accurate high-efficiency refrigerating system of data center's liquid gas binary channels and its control method |
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| CN107632684A (en) * | 2017-09-22 | 2018-01-26 | 比赫电气（太仓）有限公司 | A kind of server enclosed liquid cooling system of stabilization and accurate temperature control |
| CN108112224A (en) * | 2018-01-25 | 2018-06-01 | 郑州云海信息技术有限公司 | A kind of liquid cooling heat-exchanger |
| CN113161114A (en) * | 2021-04-02 | 2021-07-23 | 首钢京唐钢铁联合有限责任公司 | Cold rolling welding machine and cooling system of transformer thereof |
| WO2022121865A1 (en) * | 2020-12-07 | 2022-06-16 | 华为技术有限公司 | Liquid cooling system and electronic device |
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