CN214469305U - Constant-temperature water cooling unit adopting automatic water mixing valve for temperature control - Google Patents
Constant-temperature water cooling unit adopting automatic water mixing valve for temperature control Download PDFInfo
- Publication number
- CN214469305U CN214469305U CN202120383911.2U CN202120383911U CN214469305U CN 214469305 U CN214469305 U CN 214469305U CN 202120383911 U CN202120383911 U CN 202120383911U CN 214469305 U CN214469305 U CN 214469305U
- Authority
- CN
- China
- Prior art keywords
- valve
- water
- communicated
- temperature
- butterfly valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a constant temperature water cooling unit adopting an automatic water mixing valve to control temperature, which comprises components to be cooled, a plate heat exchanger, a water supply mechanism and a heat exchange mechanism; the water outlet of the component to be cooled is communicated with the water inlet of the first butterfly valve; and a first flow sensor, a first pressure sensor, a first temperature sensor and a first ball valve are sequentially arranged on the water outlet of the first butterfly valve and are communicated with the water inlet of the degassing tank. The water temperature control of the constant temperature water cooling unit adopting the automatic water mixing valve for temperature control is controlled by the constant temperature water mixing valve, an electric three-way valve is replaced, and the principle is simple; the control method is simple, the complex electronic control system is simplified, and the fault points are reduced; the valve has simple structure and convenient maintenance; the constant-temperature water mixing valve can ensure that the outlet flow is stable, flow fluctuation cannot occur, and the system is more stable in operation; the system has low manufacturing cost.
Description
Technical Field
The utility model relates to a constant temperature water-cooling unit specifically is an adopt constant temperature water-cooling unit of automatic muddy water valve accuse temperature.
Background
Along with the rapid development and the mature application of the pure water cooling system, the reliability and the stability of the operation of the water cooling unit have higher requirements, the control system is simple, effective and stable to become the main attention direction of the water cooling unit system, and most of the existing pure water cooling systems have complex structures and cannot automatically control the temperature.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adopt automatic constant temperature water-cooling unit who mixes water valve accuse temperature to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a constant temperature water cooling unit adopting an automatic water mixing valve for temperature control comprises components to be cooled, a plate heat exchanger, a water supply mechanism and a heat exchange mechanism; the water outlet of the component to be cooled is communicated with the water inlet of the first butterfly valve; a first flow sensor, a first pressure sensor, a first temperature sensor and a first ball valve are sequentially arranged on a water outlet of the first butterfly valve and are communicated with a water inlet of a degassing tank; the water outlet of the degassing tank is communicated with the water inlet of the water supply mechanism; the water outlet of the water supply mechanism is respectively communicated with the left water inlet of the plate heat exchanger and the bottom water inlet of the constant-temperature water mixing valve; the left water outlet of the plate heat exchanger is communicated with the side water inlet of the constant-temperature water mixing valve; the constant-temperature water mixing valve is sequentially communicated with a sixth butterfly valve, a filter and a third ball valve, and a second exhaust valve, a second ball valve, a second temperature sensor and an electric conductivity sensor are sequentially arranged between the filter and the third ball valve; the water outlet of the third ball valve is communicated with the water inlet of the component to be cooled, and a second pressure sensor is arranged between the water outlet of the third ball valve and the water inlet of the component to be cooled; and a heat exchange mechanism is also arranged on the right side of the plate heat exchanger.
As a further aspect of the present invention: the heat exchange mechanism comprises a seventh butterfly valve and an eighth butterfly valve; a water outlet of the seventh butterfly valve is communicated with a right water inlet of the plate heat exchanger, and a first pressure gauge, a second flow sensor and a third temperature sensor are sequentially arranged between the water outlet of the seventh butterfly valve and the right water inlet of the plate heat exchanger; and a right water outlet of the plate heat exchanger is communicated with a water inlet of an eighth butterfly valve, and a second pressure gauge and a fifth ball valve are sequentially arranged between the right water outlet of the plate heat exchanger and the eighth butterfly valve.
As a further aspect of the present invention: the water supply mechanism comprises a second butterfly valve and a fourth butterfly valve; the water outlet of the degassing tank is communicated with the water inlets of the second butterfly valve and the fourth butterfly valve; the second butterfly valve is sequentially communicated with the first water pump, the first one-way valve and the third butterfly valve, and the fourth butterfly valve is sequentially communicated with the second water pump, the second one-way valve and the fifth butterfly valve; and the water outlets of the third butterfly valve and the fifth butterfly valve are communicated and then communicated with the left water inlet of the plate heat exchanger and the bottom water inlet of the constant-temperature water mixing valve.
As a further aspect of the present invention: the second temperature sensor and the conductivity sensor are communicated with one end of the filtering mechanism, and the other end of the filtering mechanism is communicated with the first temperature sensor and the first ball valve; the filtering mechanism comprises a throttle valve, a flowmeter, a deionization tank, a precision filter and a fourth ball valve; one end of the throttle valve between the second temperature sensor and the conductivity sensor is communicated; the throttle valve is sequentially communicated with the flowmeter, the deionization tank, the precision filter and the fourth ball valve; and the fourth ball valve is communicated with the first temperature sensor and the first ball valve.
As a further aspect of the present invention: and a first exhaust valve is arranged on the degassing tank, and an expansion valve is arranged at the position where the water outlet of the degassing tank is communicated with the water inlets of the second butterfly valve and the fourth butterfly valve.
As a further aspect of the present invention: the constant-temperature water mixing valve comprises a valve body main body, an adjusting handle, an adjusting spring, a thermosensitive adjusting rod, a cold water inlet, a return spring, a mixed water outlet and a hot water inlet; the left side and the right side of the valve body main body are respectively provided with a hot water inlet and a cold water inlet, and the bottom of the valve body main body is provided with a mixed water outlet; an adjusting handle is arranged at the upper end inside the valve body main body, and the bottom of the adjusting handle is connected with a thermosensitive adjusting rod through an adjusting spring; the thermosensitive adjusting rod is connected with the bottom of the valve body main body through a return spring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the water temperature control of the system is controlled by a constant-temperature water mixing valve, an electric three-way valve is replaced, and the principle is simple;
2. the control method is simple, the complex electronic control system is simplified, and the fault points are reduced;
3. the valve has simple structure and convenient maintenance;
4. the constant-temperature water mixing valve can ensure that the outlet flow is stable, flow fluctuation cannot occur, and the system is more stable in operation;
5. the system has low manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram of a constant temperature water cooling unit adopting an automatic water mixing valve for temperature control.
Fig. 2 is a schematic structural diagram of a thermostatic water mixing valve in a thermostatic water cooling unit adopting an automatic water mixing valve for temperature control.
In the figure: 1. a first butterfly valve; 2. a first flow sensor; 3. a first pressure sensor; 4. a first temperature sensor; 5. a first ball valve; 6. a degassing tank; 7. a first exhaust valve; 8. an expansion valve; 9. a second butterfly valve; 10. a first water pump; 11. a first check valve; 12. a third butterfly valve; 13. a fourth butterfly valve; 14. a second water pump; 15. a second one-way valve; 16. a fifth butterfly valve; 17. a constant temperature water mixing valve; 18. a sixth butterfly valve; 19. a filter; 20. a second exhaust valve; 21. a second ball valve; 22. a second temperature sensor; 23. a conductivity sensor; 24. a third ball valve; 25. a second pressure sensor; 26. a throttle valve; 27. a flow meter; 28. a deionization tank; 29. a precision filter; 30. a fourth ball valve; 31. cooling the component; 32. a plate heat exchanger; 33. a seventh butterfly valve; 34. a first pressure gauge; 35. a second flow sensor; 36. a third temperature sensor; 37. a second pressure gauge; 38. a fifth ball valve; 39. an eighth butterfly valve; 40. an adjusting handle; 41. adjusting the spring; 42. a thermo-sensitive adjusting rod; 43. a cold water inlet; 44. a return spring; 45. a mixed water outlet; 46. a hot water inlet.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
Referring to fig. 1-2, the present embodiment provides a constant temperature water cooling unit using an automatic water mixing valve to control temperature, which includes a to-be-cooled device 31, a plate heat exchanger 32, a water supply mechanism and a heat exchange mechanism; the water outlet of the component 31 to be cooled is communicated with the water inlet of the first butterfly valve 1; a first flow sensor 2, a first pressure sensor 3, a first temperature sensor 4 and a first ball valve 5 are sequentially arranged on a water outlet of the first butterfly valve 1 and are communicated with a water inlet of a degassing tank 6; the water outlet of the degassing tank 6 is communicated with the water inlet of the water supply mechanism; the water outlet of the water supply mechanism is respectively communicated with the left water inlet of the plate heat exchanger 32 and the bottom water inlet of the constant-temperature water mixing valve 17; the left water outlet of the plate heat exchanger 32 is communicated with the side water inlet of the constant-temperature water mixing valve 17; the constant-temperature water mixing valve 17 is sequentially communicated with a sixth butterfly valve 18, a filter 19 and a third ball valve 24, and a second exhaust valve 20, a second ball valve 21, a second temperature sensor 22 and a conductivity sensor 23 are sequentially arranged between the filter 19 and the third ball valve 24; a water outlet of the third ball valve 24 is communicated with a water inlet of the component 31 to be cooled, and a second pressure sensor 25 is arranged between the third ball valve and the component 31 to be cooled; and a heat exchange mechanism is also arranged on the right side of the plate heat exchanger 32.
Further, the heat exchange mechanism comprises a seventh butterfly valve 33 and an eighth butterfly valve 39; a water outlet of the seventh butterfly valve 33 is communicated with a right water inlet of the plate heat exchanger 32, and a first pressure gauge 34, a second flow sensor 35 and a third temperature sensor 36 are sequentially arranged between the water outlet of the seventh butterfly valve and the right water inlet of the plate heat exchanger; and a right water outlet of the plate heat exchanger 32 is communicated with a water inlet of an eighth butterfly valve 39, and a second pressure gauge 37 and a fifth ball valve 38 are sequentially arranged between the right water outlet and the eighth butterfly valve.
Further, the water supply mechanism comprises a second butterfly valve 9 and a fourth butterfly valve 13; the water outlet of the degassing tank 6 is communicated with the water inlets of a second butterfly valve 9 and a fourth butterfly valve 13; the second butterfly valve 9 is sequentially communicated with a first water pump 10, a first one-way valve 11 and a third butterfly valve 12, and the fourth butterfly valve 13 is sequentially communicated with a second water pump 14, a second one-way valve 15 and a fifth butterfly valve 16; the water outlets of the third butterfly valve 12 and the fifth butterfly valve 16 are communicated with the left water inlet of the plate heat exchanger 32 and the bottom water inlet of the constant temperature water mixing valve 17.
Further, in order to filter ions in the circulating water and maintain the purity of the circulating water, the second temperature sensor 22 and the conductivity sensor 23 are communicated with one end of the filtering mechanism, and the other end of the filtering mechanism is communicated with the first temperature sensor 4 and the first ball valve 5; the filtering mechanism comprises a throttle valve 26, a flow meter 27, a deionization tank 28, a precision filter 29 and a fourth ball valve 30; one end of a throttle valve 26 is communicated between the second temperature sensor 22 and the conductivity sensor 23; the throttle valve 26 is communicated with a flow meter 27, a deionization tank 28, a precision filter 29 and a fourth ball valve 30 in sequence; the fourth ball valve 30 is communicated with the first temperature sensor 4 and the first ball valve 5; by the arrangement, the throttling valve 26, the flow meter 27, the deionization tank 28, the precision filter 29 and the fourth ball valve 30 form a micro-circulation in the system, ions in circulating water are removed, the purity of the circulating water is guaranteed, the flow of the deionization loop can be adjusted by the throttling valve 26, the flow meter 27 can monitor the flow of the deionization loop, deionization resin is filled in the deionization tank 28 and used for removing ions in water, and the precision filter 29 is used for intercepting broken resin and preventing debris from entering the system to block the pipeline.
Furthermore, a first exhaust valve 7 is arranged on the degassing tank 6, and an expansion valve 8 is arranged at the position where the water outlet of the degassing tank 6 is communicated with the water inlets of a second butterfly valve 9 and a fourth butterfly valve 13.
Further, the thermostatic mixing valve 17 comprises a valve body main body, an adjusting handle 40, an adjusting spring 41, a thermosensitive adjusting rod 42, a cold water inlet 43, a return spring 44, a mixed water outlet 45 and a hot water inlet 46; the left side and the right side of the valve body main body are respectively provided with a hot water inlet 46 and a cold water inlet 43, and the bottom of the valve body main body is provided with a mixed water outlet 45; an adjusting handle 40 is arranged at the upper end inside the valve body main body, and the bottom of the adjusting handle 40 is connected with a thermosensitive adjusting rod 42 through an adjusting spring 41; the heat-sensitive adjusting rod 42 is connected with the bottom of the valve body main body through a return spring 44; with the arrangement, the temperature-sensitive adjusting rod 42 moves up and down under the combined action of the temperature-sensitive adjusting rod 42, the adjusting spring 41 and the return spring 44 during operation, so that the temperature of the mixed water outlet 45 is adjusted by adjusting the opening degrees of the hot water inlet 46 and the cold water inlet 43, and the function of automatically adjusting the water temperature can be realized without external signal control.
The working principle of the embodiment is as follows: the first water pump 10 pumps high-temperature pure water returned by the component 31 to be cooled through the first check valve 11, the high-temperature pure water enters the plate heat exchanger 32 and is cooled through the plate heat exchanger 32, the low-temperature cold source water is mainly sent through the other side of the plate heat exchanger 32, the constant-temperature water mixing valve 17 is arranged at an inlet and an outlet of the plate heat exchanger 32, the temperature of an outlet of the constant-temperature water mixing valve 17 is automatically adjusted by the constant-temperature water mixing valve 17 according to a temperature set value, so that the aim of accurately controlling the temperature of the water entering the component 31 to be cooled is fulfilled, the cooled pure water enters the component 31 to be cooled through the filter 19 after filtering solid impurities larger than 200 mu m for heat exchange, the heat of the component 31 to be cooled is taken away, and the heated pure water is subjected to reciprocating circulation through the first water pump 10.
The working principle of the thermostatic water mixing valve 17 is that the thermosensitive adjusting rod 42 moves up and down under the combined action of the thermosensitive adjusting rod 42, the adjusting spring 41 and the return spring 44 during working, so that the temperature of the mixed water outlet 45 is adjusted by adjusting the opening degrees of the hot water inlet 46 and the cold water inlet 43, and the function of automatically adjusting the water temperature can be realized without external signal control.
The first temperature sensor 4 is used for monitoring the water outlet temperature of the component 31 to be cooled, the first pressure sensor 3 is used for monitoring the water outlet pressure of the component 31 to be cooled, the second temperature sensor 22 is used for monitoring the water inlet temperature of the component 31 to be cooled, the second pressure sensor 25 is used for monitoring the water inlet pressure of the component 31 to be cooled, the first flow sensor 2 is used for monitoring the water outlet flow of the component 31 to be cooled, and the conductivity sensor 23 is used for monitoring the conductivity value of pure water; the expansion valve 8 is used for absorbing and compensating the volume increase and decrease of water brought by water expansion and cold contraction in the system, and stabilizing the inlet pressure of the first water pump 10; the second water pump 14 and the second check valve 15 are redundant configurations provided to ensure reliable operation of the system, and the second water pump 14 is automatically operated when the first water pump 10 fails.
The throttling valve 26, the flow meter 27, the deionization tank 28, the precision filter 29 and the fourth ball valve 30 form a micro-circulation in the system, the micro-circulation is used for deionizing ions in circulating water, the purity of the circulating water is guaranteed, the flow rate of the deionization loop can be adjusted through the throttling valve 26, the flow meter 27 can monitor the flow rate of the deionization loop, deionization resin is filled in the deionization tank 28 and used for deionizing ions in water, and the precision filter 29 is used for intercepting broken resin and preventing debris from entering the system to block pipelines.
It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
Claims (6)
1. A constant-temperature water cooling unit adopting an automatic water mixing valve for temperature control is characterized by comprising a component (31) to be cooled, a plate type heat exchanger (32), a water supply mechanism and a heat exchange mechanism; the water outlet of the component (31) to be cooled is communicated with the water inlet of the first butterfly valve (1); a first flow sensor (2), a first pressure sensor (3), a first temperature sensor (4) and a first ball valve (5) are sequentially arranged on a water outlet of the first butterfly valve (1), and are communicated with a water inlet of a degassing tank (6); the water outlet of the degassing tank (6) is communicated with the water inlet of the water supply mechanism; the water outlet of the water supply mechanism is respectively communicated with the left water inlet of the plate heat exchanger (32) and the bottom water inlet of the constant-temperature water mixing valve (17); the left water outlet of the plate heat exchanger (32) is communicated with the side water inlet of the constant-temperature water mixing valve (17); the constant-temperature water mixing valve (17) is sequentially communicated with a sixth butterfly valve (18), a filter (19) and a third ball valve (24), and a second exhaust valve (20), a second ball valve (21), a second temperature sensor (22) and an electric conductivity sensor (23) are sequentially arranged between the filter (19) and the third ball valve (24); a water outlet of the third ball valve (24) is communicated with a water inlet of the component (31) to be cooled, and a second pressure sensor (25) is arranged between the water outlet of the third ball valve and the water inlet of the component (31) to be cooled; and a heat exchange mechanism is also arranged on the right side of the plate heat exchanger (32).
2. The thermostatic water-cooling unit adopting the automatic water mixing valve for temperature control according to claim 1, characterized in that the heat exchange mechanism comprises a seventh butterfly valve (33) and an eighth butterfly valve (39); a water outlet of the seventh butterfly valve (33) is communicated with a right water inlet of the plate heat exchanger (32), and a first pressure gauge (34), a second flow sensor (35) and a third temperature sensor (36) are sequentially arranged between the water outlet of the seventh butterfly valve and the right water inlet of the plate heat exchanger; and a right water outlet of the plate heat exchanger (32) is communicated with a water inlet of an eighth butterfly valve (39), and a second pressure gauge (37) and a fifth ball valve (38) are sequentially arranged between the right water outlet and the eighth butterfly valve.
3. The thermostatic water-cooling unit adopting the automatic water mixing valve for temperature control according to claim 1, characterized in that the water supply mechanism comprises a second butterfly valve (9) and a fourth butterfly valve (13); the water outlet of the degassing tank (6) is communicated with the water inlets of a second butterfly valve (9) and a fourth butterfly valve (13); the second butterfly valve (9) is communicated with the first water pump (10), the first one-way valve (11) and the third butterfly valve (12) in sequence, and the fourth butterfly valve (13) is communicated with the second water pump (14), the second one-way valve (15) and the fifth butterfly valve (16) in sequence; the water outlets of the third butterfly valve (12) and the fifth butterfly valve (16) are communicated with the left water inlet of the plate heat exchanger (32) and the bottom water inlet of the constant-temperature water mixing valve (17).
4. The thermostatic water cooling unit adopting the automatic water mixing valve for temperature control according to claim 1, is characterized in that the second temperature sensor (22) and the conductivity sensor (23) are communicated with one end of the filtering mechanism, and the other end of the filtering mechanism is communicated with the first temperature sensor (4) and the first ball valve (5); the filtering mechanism comprises a throttle valve (26), a flowmeter (27), a deionization tank (28), a precision filter (29) and a fourth ball valve (30); one end of a throttle valve (26) is communicated between the second temperature sensor (22) and the conductivity sensor (23); the throttle valve (26) is communicated with a flowmeter (27), a deionization tank (28), a precision filter (29) and a fourth ball valve (30) in sequence; the fourth ball valve (30) is communicated with the first temperature sensor (4) and the first ball valve (5).
5. The thermostatic water-cooling unit adopting the automatic water mixing valve for temperature control according to claim 3 is characterized in that a first exhaust valve (7) is arranged on the degassing tank (6), and an expansion valve (8) is arranged at the position where the water outlet of the degassing tank (6) is communicated with the water inlets of a second butterfly valve (9) and a fourth butterfly valve (13).
6. The thermostatic water-cooling unit adopting the automatic water mixing valve for temperature control according to claim 1, characterized in that the thermostatic water mixing valve (17) comprises a valve body main body, an adjusting handle (40), an adjusting spring (41), a thermosensitive adjusting rod (42), a cold water inlet (43), a return spring (44), a mixed water outlet (45) and a hot water inlet (46); the left side and the right side of the valve body main body are respectively provided with a hot water inlet (46) and a cold water inlet (43), and the bottom of the valve body main body is provided with a mixed water outlet (45); an adjusting handle (40) is arranged at the upper end inside the valve body main body, and the bottom of the adjusting handle (40) is connected with a thermosensitive adjusting rod (42) through an adjusting spring (41); the heat-sensitive adjusting rod (42) is connected with the bottom of the valve body main body through a return spring (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120383911.2U CN214469305U (en) | 2021-02-21 | 2021-02-21 | Constant-temperature water cooling unit adopting automatic water mixing valve for temperature control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120383911.2U CN214469305U (en) | 2021-02-21 | 2021-02-21 | Constant-temperature water cooling unit adopting automatic water mixing valve for temperature control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214469305U true CN214469305U (en) | 2021-10-22 |
Family
ID=78144234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120383911.2U Active CN214469305U (en) | 2021-02-21 | 2021-02-21 | Constant-temperature water cooling unit adopting automatic water mixing valve for temperature control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214469305U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117268040A (en) * | 2023-09-15 | 2023-12-22 | 广东合瑞盛科技有限公司 | Water cooling system for biomass power generation cooling |
-
2021
- 2021-02-21 CN CN202120383911.2U patent/CN214469305U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117268040A (en) * | 2023-09-15 | 2023-12-22 | 广东合瑞盛科技有限公司 | Water cooling system for biomass power generation cooling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207637906U (en) | A kind of fuel cell heat management system of the non-mixed circulation waterway containing two-stage | |
| AU2010278454A1 (en) | Coolant temperature controlling system for engine performance test | |
| CN212677604U (en) | Liquid cooling heat exchange unit and liquid cooling heat exchange system of server | |
| CN214469305U (en) | Constant-temperature water cooling unit adopting automatic water mixing valve for temperature control | |
| CN204359196U (en) | A kind of data center module rack cooling system | |
| CN109383729A (en) | Marine main engine jacket water heat energy utilization system | |
| CN108680050B (en) | Conduction oil heating and cooling system with air cooling function | |
| CN105549702A (en) | Liquid cooling system of server | |
| CN203704768U (en) | Temperature-control water cooling system | |
| CN205825522U (en) | A kind of air energy heat pump water chiller-heater unit with automatic temp controller | |
| CN209462850U (en) | A kind of internet of things data acquisition storage platform cooling device | |
| WO2021114878A1 (en) | Server water-cooling heat dissipation system having redundant phase change heat transfer element, and control method | |
| CN212299388U (en) | Circulating fluid system with accurate temperature control function | |
| CN202075129U (en) | Diesel engine test room heat exchange water circulation system | |
| CN209543931U (en) | Cooling system for instrument | |
| CN104457394A (en) | Temperature-control water cooling system | |
| CN110849205B (en) | Water-cooling constant-pressure liquid supplementing water tank system and application method thereof | |
| CN201540209U (en) | Highly efficient heat exchange system | |
| CN204693882U (en) | Full working scope scope compound many temperature feed flow refrigeration unit | |
| CN113851674A (en) | Thermal management system for testing fuel cell system | |
| CN209706179U (en) | The circulatory system of one heating furnace high/low temperature heat supply simultaneously | |
| CN202789079U (en) | Automatic water-feeding water tank of generator set | |
| CN101852521B (en) | Load adjusting method | |
| CN203779764U (en) | Temperature control device of calender | |
| CN204925965U (en) | Blade server liquid cooling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |