CN109922640B - Circulation cooling system and electronic equipment - Google Patents
Circulation cooling system and electronic equipment Download PDFInfo
- Publication number
- CN109922640B CN109922640B CN201910095456.3A CN201910095456A CN109922640B CN 109922640 B CN109922640 B CN 109922640B CN 201910095456 A CN201910095456 A CN 201910095456A CN 109922640 B CN109922640 B CN 109922640B
- Authority
- CN
- China
- Prior art keywords
- water
- cooling
- communicated
- switch valve
- water tank
- 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
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a circulating cooling system and electronic equipment, wherein the circulating cooling system comprises a first water tank, a first water pump, deionization equipment, a second water tank, a second water pump, a water cooler, a cooling water supply pipeline, a cooling water backflow pipeline, a conductivity tester, a first switch valve, a second switch valve and a controller. The controller can control the first switch valve to be opened and the second switch valve to be closed, so that water flows into the first water tank, when the conductivity of the water does not exceed a preset threshold value, the controller controls the first switch valve to be closed and the second switch valve to be opened, so that the backflow water flows into the second water tank again, the amount of the water flowing back into the second water tank is reduced, the influence of the backflow water on the temperature of the water in the second water tank is reduced, meanwhile, the conductivity of the water flowing back into the second water tank does not exceed the preset threshold value, and the influence on the conductivity of the water in the second water tank is also reduced, so that the normal work of the equipment to be cooled is ensured, and the work of the equipment to be cooled is more stable.
Description
Technical Field
The invention relates to the field of cooling equipment, in particular to a circulating cooling system and electronic equipment.
Background
Electronic devices often generate a large amount of heat during operation, which causes the temperature of the electronic device to rise. In order to make the electronic device work normally, the electronic device is usually required to be cooled and cooled.
For some electronic devices, such as stationary frequency converters, a circulating cooling system is used for cooling during operation, and the cooling medium is deionized water. The conductivity of the deionized water is low, so that dangerous conditions such as short circuit of electronic equipment can be avoided.
The current circulation cooling system generally comprises a water tank for containing deionized water, a deionization device, a water pump and pipelines, wherein the water tank is connected with an electronic device through a cooling water supply pipeline and a cooling water return pipeline, and the deionized water is circulated by the power provided by the water pump. The inlet and the outlet of the deionization equipment are both communicated with the water tank, and water in the water tank is continuously treated, so that the water in the water tank keeps low conductivity. Because the conductivity of deionized water can have great rising after the water tank is refluxed again to electronic equipment, the temperature of water that flows back is higher moreover, can influence the temperature of the water in the water tank, and these can lead to electronic equipment job stabilization nature to reduce, are unfavorable for electronic equipment's normal work.
Disclosure of Invention
The embodiment of the invention provides a circulating cooling system which can be beneficial to improving the working stability of electronic equipment and ensuring the normal working of the electronic equipment. The technical scheme is as follows:
in one aspect, an embodiment of the present invention provides a circulation cooling system, including a first water tank, a first water pump, a deionization apparatus, a second water tank, a second water pump, a water-cooling machine, a cooling water supply pipeline, a cooling water return pipeline, a conductivity meter, a first switch valve, a second switch valve, and a controller, where a water inlet of the first water pump is communicated with the first water tank, a water outlet of the first water pump is communicated with an inlet of the deionization apparatus, an outlet of the deionization apparatus is communicated with the second water tank, the second water tank is communicated with a water inlet of the second water pump, a water outlet of the second water pump is communicated with an inlet of the water-cooling machine, an outlet of the water-cooling machine is communicated with the cooling water supply pipeline, the cooling water supply pipeline is used for being communicated with a cooling water inlet of an apparatus to be cooled, and the cooling water return pipeline has a main line, a water outlet of the water pump is communicated with the main line, A first branch and a second branch connected to the same section of the trunk, wherein the trunk of the cooling water return pipeline is used for communicating with a cooling water outlet of the equipment to be cooled, the first branch is communicated with the first water tank, the second branch is communicated with the second water tank, the first switch valve is located on the first branch, the second switch valve is located on the second branch, the conductivity meter is located on the trunk for measuring the conductivity of the water in the trunk, the controller is connected with the conductivity meter, the first switch valve and the second switch valve, the controller is used for controlling the first switch valve to open when the conductivity measured by the conductivity meter exceeds a preset threshold value, the second switch valve to close, and when the conductivity measured by the conductivity meter does not exceed the preset threshold value, and controlling the first switch valve to be closed and the second switch valve to be opened.
Optionally, a flow regulating valve is arranged on the cooling water supply pipeline.
Optionally, the water cooling system further comprises a third switch valve, a water inlet of the third switch valve is communicated with an outlet of the water cooling machine, and a water outlet of the third switch valve is communicated with a water outlet of the second switch valve.
Optionally, a water temperature sensor is disposed on the cooling water supply pipeline and the trunk line.
Optionally, a water cooler is arranged on the trunk line.
Optionally, the trunk line has a section of spiral section, the water cooler includes a sealing housing, the sealing housing is connected to an outer wall of the trunk line, the spiral section is located in the sealing housing, the sealing housing and the outer wall of the trunk line enclose a cooling cavity, and the sealing housing has a liquid inlet for injecting cooling liquid and a liquid outlet for discharging the cooling liquid.
Optionally, the water tank is communicated with the water inlet of the first water pump, the water outlet of the first water pump is communicated with the water inlet of the sealing shell, and the water outlet of the sealing shell is communicated with the water tank.
Optionally, a water flow relay is arranged on the cooling water supply pipeline.
Optionally, a filter is disposed on the cooling water supply pipe, and the filter is located between the flow regulating valve and the water flow relay along a direction in which the cooling water supply pipe extends.
In another aspect, an embodiment of the present invention provides an electronic device, which includes the circulation cooling system according to the first aspect.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least: through setting up first water tank and second water tank, first water tank can be used for holding ordinary water, and the second water tank can be used for holding the deionized water, and through setting up deionization equipment and first water pump, deionization equipment can be taken out to water in the first water tank to first water pump, is handled by deionization equipment and obtains the deionized water, and deionization equipment sends the deionized water that obtains into in the second water tank. Through setting up second water pump and water-cooling machine, the second water pump can send into the water-cooling machine with the deionized water in the second water tank and cool off. The cooled deionized water may be supplied to the device to be cooled through the cooling water supply pipe. By providing a cooling water return line, cooling water returning from the electronic device enters a main line of the cooling water return line, and by providing a conductivity meter, the conductivity meter can measure the conductivity of water in the main line. The first branch of the cooling water return pipeline is communicated with the first water tank, the second branch of the cooling water return pipeline is communicated with the second water tank, the first switch valve is arranged on the first branch, the second switch valve is arranged on the second branch, the controller is arranged and is connected with the conductivity tester, the first switch valve and the second switch valve, when the conductivity of the water flowing back in the main pipeline exceeds a preset threshold value, the ion concentration in the water flowing back is over high and exceeds the requirement of reuse, the controller can control the first switch valve to be opened and the second switch valve to be closed, so that the water flowing back flows into the first water tank, when the conductivity of the water flowing back does not exceed the preset threshold value, the controller controls the first switch valve to be closed and the second switch valve to be opened, so that the water flowing back flows into the second water tank again, and the amount of the water flowing back into the second water tank is reduced, the influence of the reflowed water on the temperature of the water in the second water tank is reduced, and the influence on the conductivity of the water in the second water tank is also reduced because the conductivity of the reflowed water does not exceed the preset threshold value, so that the normal work of the equipment to be cooled is ensured, and the work of the equipment to be cooled is more stable.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a hydronic cooling system according to an embodiment of the present invention;
fig. 2 is a partial structural schematic diagram of a circulation cooling system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a circulation cooling system according to an embodiment of the present invention. As shown in fig. 1, the circulation cooling system includes a first water tank 21, a first water pump 22, a deionization apparatus 23, a second water tank 24, a second water pump 25, a water cooler 26, a cooling water supply pipe 30, a cooling water return pipe 31, a conductivity meter 27, a first switching valve 28, a second switching valve 29, and a controller (not shown).
The water inlet of the first water pump 22 is communicated with the first water tank 21, the water outlet of the first water pump 22 is communicated with the inlet of the deionization device 23, the outlet of the deionization device 23 is communicated with the second water tank 24, the second water tank 24 is communicated with the water inlet of the second water pump 25, the water outlet of the second water pump 25 is communicated with the inlet of the water cooler 26, the outlet of the water cooler 26 is communicated with the cooling water supply pipeline 30, and the cooling water supply pipeline 30 is used for being communicated with the cooling water inlet of the device to be cooled 10.
The cooling water return pipe 31 has a trunk 311, and a first branch 312 and a second branch 313 connected to the same section of the trunk 311. The trunk 311 of the cooling water return pipe 31 is used for communicating with a cooling water outlet of the device to be cooled 10. The first branch 312 communicates with the first water tank 21, and the second branch 313 communicates with the second water tank 24. A first on-off valve 28 is located on the first branch 312, a second on-off valve 29 is located on the second branch 313, and a conductivity meter 27 is located on the main line 311 to measure the conductivity of the water in the main line 311. The controller is connected to a conductivity meter 27, a first on-off valve 28 and a second on-off valve 29.
The controller is used for controlling the first switch valve 28 to be opened and the second switch valve 29 to be closed when the conductivity measured by the conductivity measuring instrument 27 exceeds a preset threshold value; when the conductivity measured by the conductivity meter 27 does not exceed the preset threshold, the first on-off valve 28 is controlled to be closed, and the second on-off valve 29 is controlled to be opened. The preset threshold value can be set manually.
Through setting up first water tank and second water tank, first water tank can be used for holding ordinary water (the conductivity is beyond the water of predetermineeing the threshold value promptly), and the second water tank can be used for holding the deionized water, and through setting up deionization equipment and first water pump, deionization equipment can be taken out to water in the first water tank to first water pump, is handled by deionization equipment and obtains the deionized water, and deionization equipment sends the deionized water that obtains into in the second water tank. Through setting up second water pump and water-cooling machine, the second water pump can send into the water-cooling machine with the deionized water in the second water tank and cool off. The cooled deionized water may be supplied to the device to be cooled through the cooling water supply pipe. By providing a cooling water return line, cooling water returning from the electronic device enters a main line of the cooling water return line, and by providing a conductivity meter, the conductivity meter can measure the conductivity of water in the main line. The first branch of the cooling water return pipeline is communicated with the first water tank, the second branch of the cooling water return pipeline is communicated with the second water tank, the first switch valve is arranged on the first branch, the second switch valve is arranged on the second branch, the controller is arranged and is connected with the conductivity tester, the first switch valve and the second switch valve, when the conductivity of the water flowing back in the main pipeline exceeds a preset threshold value, the ion concentration in the water flowing back is over high and exceeds the requirement of reuse, the controller can control the first switch valve to be opened and the second switch valve to be closed, so that the water flowing back flows into the first water tank, when the conductivity of the water flowing back does not exceed the preset threshold value, the controller controls the first switch valve to be closed and the second switch valve to be opened, so that the water flowing back flows into the second water tank again, and the amount of the water flowing back into the second water tank is reduced, the influence of the reflowed water on the temperature of the water in the second water tank is reduced, and the influence on the conductivity of the water in the second water tank is also reduced because the conductivity of the reflowed water does not exceed the preset threshold value, so that the normal work of the equipment to be cooled is ensured, and the work of the equipment to be cooled is more stable.
As shown in fig. 1, the cooling water supply pipe 30 may be provided with a flow rate adjustment valve 41. The flow rate of water in the cooling water supply pipe 30 can be adjusted by providing the flow rate adjustment valve 41. Further, when cooling is not necessary, for example, when the electronic device is repaired or replaced, the supply of deionized water to the electronic device may be stopped by closing the flow rate adjustment valve 41 to perform cooling.
Optionally, a water flow relay 45 may be further provided on the cooling water supply pipe 30. The water flow relay 45 may issue an alarm when the flow rate of the water in the cooling water supply pipe 30 is lower than a flow rate threshold value, thereby timely reminding a worker to adjust the flow rate of the water in the cooling water supply pipe 30 and ensuring that the electronic device works normally.
As shown in fig. 1, the circulation cooling system may further include a third on/off valve 42. The water inlet of the third switch valve 42 is communicated with the outlet of the water cooling machine 26, and the water outlet of the third switch valve 42 is communicated with the water outlet of the second switch valve 29. Since the water cooler may not be able to reduce the temperature of the deionized water to the required temperature at a time, before the deionized water is provided to the electronic device, the flow control valve 41 and the second on-off valve 29 may be closed, and the third on-off valve 42 may be opened, so that the deionized water in the second water tank 24 is cooled by the water cooler 26 and then returns to the second water tank 24 again, and after such circulation for a period of time, the temperature of the deionized water in the second water tank 24 may be lowered. Then, the third on/off valve 42 is closed, and the flow regulating valve 41 is opened, so that the deionized water is cooled by the water cooler 26 again and then sent to the electronic equipment, and thus the deionized water sent to the electronic equipment has a lower temperature.
Optionally, a filter 43 may be further provided on the cooling water supply pipe 30. A filter 43 is located between the flow rate adjustment valve 41 and the water flow relay 45 in the direction in which the cooling water supply pipe 30 extends. The filter 43 can filter the water in the cooling water supply pipeline 30, so that impurities are prevented from entering the electronic equipment, and the normal work of the electronic equipment is ensured.
As shown in fig. 1, a pressure gauge 44 may be further disposed on the cooling water supply pipe 30, and the pressure of the cooling water in the cooling water supply pipe 30 can be visually known through the pressure gauge 44.
Alternatively, the water temperature sensor 46 may be provided on both the cooling water supply pipe 30 and the trunk line 311. The water temperature sensor 46 on the cooling water supply line 30 can detect the temperature of the water in the cooling water supply line 30 to ensure that the temperature of the water supplied to the electronic device meets the requirements. When it is detected that the temperature of the cooling water in the cooling water supply pipe 30 is too high, the cooling power of the water cooler 26 can be increased. The water temperature sensor 46 in the main line 311 can detect the temperature of the cooling water returned from the electronic device, and roughly estimate the heat generation of the electronic device from the difference between the temperature of the returned cooling water and the temperature of the cooling water in the cooling water supply pipe 30.
Optionally, a water cooler 47 may be provided on the trunk 311. The water returned in the cooling water return pipe 31 is generally at a high temperature, and the water returned in the cooling water return pipe 31 can be cooled to some extent by the water cooler 47, so that the influence of the water returned via the second branch 313 on the temperature of the water in the second water tank 24 is reduced.
Fig. 2 is a partial structural schematic diagram of a circulation cooling system according to an embodiment of the present invention. As shown in fig. 2, the trunk 311 may have a spiral section 3111, the water cooler 47 includes a sealing housing 471, the sealing housing 471 is connected to an outer wall of the trunk 311, the spiral section 3111 is located in the sealing housing 471, the sealing housing 471 and the outer wall of the trunk 311 define a cooling chamber 471a, and the sealing housing 471 has a liquid inlet for injecting cooling liquid and a liquid outlet for discharging the cooling liquid. Through the liquid inlet and the liquid outlet of the sealed housing 471, a cooling liquid can be circulated in the cooling chamber 471a to cool the water of the spiral section 3111, and the cooling liquid can be water.
As shown in FIG. 2, the cooling system may also include a third water pump 48. A water inlet of the third water pump 48 is communicated with the first water tank 21, a water outlet of the third water pump 48 is communicated with a liquid inlet of the sealed shell 471, and a liquid outlet of the sealed shell 471 is communicated with the first water tank 21. The water that directly flows back in the cooling water return pipeline 31 is cooled by the water in the first water tank 21, the use is convenient, and the structure is simple.
Embodiments of the present invention also provide an electronic device including a circulation cooling system as shown in fig. 1.
Through setting up first water tank and second water tank, first water tank can be used for holding ordinary water, and the second water tank can be used for holding the deionized water, and through setting up deionization equipment and first water pump, deionization equipment can be taken out to water in the first water tank to first water pump, is handled by deionization equipment and obtains the deionized water, and deionization equipment sends the deionized water that obtains into in the second water tank. Through setting up second water pump and water-cooling machine, the second water pump can send into the water-cooling machine with the deionized water in the second water tank and cool off. The cooled deionized water may be supplied to the device to be cooled through the cooling water supply pipe. By providing a cooling water return line, cooling water returning from the electronic device enters a main line of the cooling water return line, and by providing a conductivity meter, the conductivity meter can measure the conductivity of water in the main line. The first branch of the cooling water return pipeline is communicated with the first water tank, the second branch of the cooling water return pipeline is communicated with the second water tank, the first switch valve is arranged on the first branch, the second switch valve is arranged on the second branch, the controller is arranged and is connected with the conductivity tester, the first switch valve and the second switch valve, when the conductivity of the water flowing back in the main pipeline exceeds a preset threshold value, the ion concentration in the water flowing back is over high and exceeds the requirement of reuse, the controller can control the first switch valve to be opened and the second switch valve to be closed, so that the water flowing back flows into the first water tank, when the conductivity of the water flowing back does not exceed the preset threshold value, the controller controls the first switch valve to be closed and the second switch valve to be opened, so that the water flowing back flows into the second water tank again, and the amount of the water flowing back into the second water tank is reduced, the influence of the reflowed water on the temperature of the water in the second water tank is reduced, and the influence on the conductivity of the water in the second water tank is also reduced because the conductivity of the reflowed water does not exceed the preset threshold value, so that the normal work of the equipment to be cooled is ensured, and the work of the equipment to be cooled is more stable.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A circulating cooling system is characterized by comprising a first water tank (21), a first water pump (22), a deionization device (23), a second water tank (24), a second water pump (25), a water cooler (26), a cooling water supply pipeline (30), a cooling water return pipeline (31), an electric conductivity tester (27), a first switch valve (28), a second switch valve (29) and a controller, wherein a water inlet of the first water pump (22) is communicated with the first water tank (21), a water outlet of the first water pump (22) is communicated with an inlet of the deionization device (23), an outlet of the deionization device (23) is communicated with the second water tank (24), the second water tank (24) is communicated with a water inlet of the second water pump (25), and a water outlet of the second water pump (25) is communicated with an inlet of the water cooler (26), an outlet of the water cooler (26) is communicated with the cooling water supply pipeline (30), the cooling water supply pipeline (30) is used for being communicated with a cooling water inlet of the equipment (10) to be cooled, the cooling water return pipeline (31) is provided with a main pipeline (311), a first branch pipeline (312) and a second branch pipeline (313) which are connected with the same section of the main pipeline (311), the main pipeline (311) of the cooling water return pipeline (31) is used for being communicated with a cooling water outlet of the equipment (10) to be cooled, the first branch pipeline (312) is communicated with the first water tank (21), the second branch pipeline (313) is communicated with the second water tank (24), the first switch valve (28) is positioned on the first branch pipeline (312), the second switch valve (29) is positioned on the second branch pipeline (313), the conductivity determinator (27) is positioned on the main pipeline (311) to determine the conductivity of the water in the main pipeline (311), the controller is connected with the conductivity measuring instrument (27), the first switch valve (28) and the second switch valve (29), and is used for controlling the first switch valve (28) to be opened and the second switch valve (29) to be closed when the conductivity measured by the conductivity measuring instrument (27) exceeds a preset threshold value, and controlling the first switch valve (28) to be closed and the second switch valve (29) to be opened when the conductivity measured by the conductivity measuring instrument (27) does not exceed the preset threshold value.
2. A circulation cooling system according to claim 1, wherein a flow regulating valve (41) is provided on the cooling water supply pipe (30).
3. A circulating cooling system according to claim 2, further comprising a third on-off valve (42), wherein a water inlet of the third on-off valve (42) is communicated with an outlet of the water cooling machine (26), and a water outlet of the third on-off valve (42) is communicated with a water outlet of the second on-off valve (29).
4. A circulation cooling system according to claim 1, wherein a water temperature sensor (46) is provided on both the cooling water supply pipe (30) and the trunk line (311).
5. A circulating cooling system according to claim 1, characterised in that a water cooler (47) is provided on the trunk (311).
6. A circulating cooling system according to claim 5, wherein the trunk (311) has a spiral section (3111), the water cooler (47) comprises a sealed housing (471), the sealed housing (471) is connected with the outer wall of the trunk (311), the spiral section (3111) is located in the sealed housing (471), the sealed housing (471) and the outer wall of the trunk (311) enclose a cooling cavity (471a), and the sealed housing (471) has a liquid inlet for injecting cooling liquid and a liquid outlet for discharging cooling liquid.
7. A circulating cooling system according to claim 6, characterized by further comprising a third water pump (48), wherein a water inlet of the third water pump (48) is communicated with the first water tank (21), a water outlet of the third water pump (48) is communicated with a water inlet of the sealed housing (471), and a water outlet of the sealed housing (471) is communicated with the first water tank (21).
8. A circulation cooling system according to claim 2, wherein a water flow relay (45) is provided on the cooling water supply pipe (30).
9. A circulation cooling system according to claim 8, wherein a filter (43) is provided on the cooling water supply conduit (30), the filter (43) being located between the flow rate adjustment valve (41) and the water flow relay (45) in the direction in which the cooling water supply conduit (30) extends.
10. An electronic apparatus, characterized by comprising the circulation cooling system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095456.3A CN109922640B (en) | 2019-01-31 | 2019-01-31 | Circulation cooling system and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095456.3A CN109922640B (en) | 2019-01-31 | 2019-01-31 | Circulation cooling system and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109922640A CN109922640A (en) | 2019-06-21 |
| CN109922640B true CN109922640B (en) | 2020-06-16 |
Family
ID=66961195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910095456.3A Active CN109922640B (en) | 2019-01-31 | 2019-01-31 | Circulation cooling system and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109922640B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791092B (en) * | 2021-07-23 | 2024-07-23 | 博众精工科技股份有限公司 | Water distributor for cooling transmission electron microscope and water distribution system thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106427262A (en) * | 2016-08-16 | 2017-02-22 | 浙江茉织华印刷股份有限公司 | Fountain solution and circulation system thereof |
| CN107300838A (en) * | 2017-08-08 | 2017-10-27 | 武汉华星光电技术有限公司 | Developer solution dilution system |
| CN208193777U (en) * | 2018-03-29 | 2018-12-07 | 福建省沙县金沙白炭黑制造有限公司 | A kind of automation control plate compression washing water recovery device |
| CN109065514A (en) * | 2018-10-09 | 2018-12-21 | 常州博瑞电力自动化设备有限公司 | A kind of water cooler refrigeration-type closed water-cooled system |
| CN208425083U (en) * | 2018-05-29 | 2019-01-22 | 许昌许继晶锐科技有限公司 | The cooling system and power electronic equipment of power electronic equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204100889U (en) * | 2014-08-12 | 2015-01-14 | 中国南方电网有限责任公司超高压输电公司天生桥局 | A kind of Converter Station Valve cooling water-cooling generator |
| CN206624728U (en) * | 2017-03-23 | 2017-11-10 | 长安石门发电有限公司 | A kind of electric generator inner cooling water treatment system |
| CN107387221A (en) * | 2017-08-02 | 2017-11-24 | 安徽江淮汽车集团股份有限公司 | Engine-cooling system |
-
2019
- 2019-01-31 CN CN201910095456.3A patent/CN109922640B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106427262A (en) * | 2016-08-16 | 2017-02-22 | 浙江茉织华印刷股份有限公司 | Fountain solution and circulation system thereof |
| CN107300838A (en) * | 2017-08-08 | 2017-10-27 | 武汉华星光电技术有限公司 | Developer solution dilution system |
| CN208193777U (en) * | 2018-03-29 | 2018-12-07 | 福建省沙县金沙白炭黑制造有限公司 | A kind of automation control plate compression washing water recovery device |
| CN208425083U (en) * | 2018-05-29 | 2019-01-22 | 许昌许继晶锐科技有限公司 | The cooling system and power electronic equipment of power electronic equipment |
| CN109065514A (en) * | 2018-10-09 | 2018-12-21 | 常州博瑞电力自动化设备有限公司 | A kind of water cooler refrigeration-type closed water-cooled system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109922640A (en) | 2019-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7655098B2 (en) | Readying cooling circuits for use in fuel cells | |
| CN109922640B (en) | Circulation cooling system and electronic equipment | |
| CN106759637B (en) | Operation method of hydropower station open-close type combined technical water supply system | |
| CN110044501B (en) | Device and method for detecting temperature of cable joint and processing fault under load condition | |
| KR100629807B1 (en) | Apparatus for supplying coolant | |
| KR100671255B1 (en) | Distinction equipment for temperature adjustment | |
| JP2017057871A (en) | Hydrogen gas filling device | |
| CN212210758U (en) | Automatic water replenishing device and generator stator cooling water system | |
| CN210764397U (en) | Generator stator cooling water quality blending and protecting device | |
| CN211174311U (en) | Operation processing device of engine water cooling system | |
| JP2006220510A (en) | Discharge water cooling device for reactor-cooling water purifying system | |
| EP2944885B1 (en) | Hot water supply apparatus | |
| CN204508904U (en) | A kind of electric generator inner cooling water alkalization inhibition setting device | |
| CN216540796U (en) | Cooling water system of sodium casting machine | |
| CN219913993U (en) | Intermediate frequency furnace cooling water temperature detection device | |
| JPH06223852A (en) | Fuel cell system | |
| CN112652432B (en) | Forced circulation cooling pipeline type water resistance device | |
| CN216515933U (en) | Pipeline and integrated water tank | |
| CN216747724U (en) | Oil on-line monitoring device | |
| CN206532151U (en) | Generator stator cooling water adds alkali system | |
| CN218468825U (en) | Water seal | |
| CN220083315U (en) | Electric heating boiler with automatic water level adjustment function | |
| CN216846900U (en) | System for controlling temperature of engine coolant in bench experiment | |
| CN213137364U (en) | Wafer cutting cooling water circulation equipment | |
| KR20060102033A (en) | System and method for monitoring resistivity of deionization water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |