CN111643954A - Automatic liquid filtering device and method for immersed liquid cooling system - Google Patents
Automatic liquid filtering device and method for immersed liquid cooling system Download PDFInfo
- Publication number
- CN111643954A CN111643954A CN202010380509.9A CN202010380509A CN111643954A CN 111643954 A CN111643954 A CN 111643954A CN 202010380509 A CN202010380509 A CN 202010380509A CN 111643954 A CN111643954 A CN 111643954A
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- liquid
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- secondary side
- conductivity
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- 239000007788 liquid Substances 0.000 title claims abstract description 134
- 238000001914 filtration Methods 0.000 title claims abstract description 31
- 238000001816 cooling Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000002826 coolant Substances 0.000 description 5
- 238000007654 immersion Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
Abstract
The invention discloses an automatic liquid filtering device and method for an immersed liquid cooling system, which comprises a primary side pipe, a secondary side pipe, a liquid filter and a controller, wherein the primary side pipe is connected with the secondary side pipe; the inlet of the liquid filter is communicated with the secondary side pipe through a liquid inlet pipe, and the outlet of the liquid filter is communicated with the primary side pipe through a liquid outlet pipe; a pressure sensor and a conductivity sensor are arranged on the primary side pipe, a first electromagnetic valve is arranged on the secondary side pipe, and a second electromagnetic valve is arranged on the liquid inlet pipe; wherein the first electromagnetic valve is positioned on the secondary side pipe at the downstream of the communication part of the liquid inlet pipe and the secondary side pipe. According to the invention, the filtering is automatically controlled according to the detected pressure and conductivity information, impurities in the cooling liquid are reduced after the filtering, the liquid heat dissipation efficiency is improved, the liquid conductivity is reduced, the server stability is improved, the liquid maintenance frequency is reduced, and the liquid and labor cost is saved.
Description
Technical Field
The invention relates to the field of immersed liquid cooling systems, in particular to an automatic filtering device and method for an immersed liquid cooling system.
Background
The current server usually adopts the air cooling or the heat dissipation of radiator liquid cooling pipe, and the immersed heat dissipation mode is rarely adopted. The immersion liquid cooling is to soak the server in a sealed box containing special cooling liquid, and the server can work normally. Because server production chain is longer, and inside difficult avoiding has dust and particulate matter, and these impurity in the machine can influence the effectual heat dissipation of liquid and can influence liquid conductivity simultaneously, can cause the decline of service heat dispersion, and influence the stability of server signal. At present, the coolant is replaced manually at regular time, so that the cost of manpower and material resources is high, and the efficiency is low.
Disclosure of Invention
In order to solve the problems, the invention provides an automatic liquid filtering device and method for an immersed liquid cooling system, which can realize automatic control of filtering according to detection information and save manpower and material resources.
The technical scheme of the invention is as follows: an automatic liquid filtering device of an immersed liquid cooling system comprises a primary side pipe (1), a secondary side pipe (2) and a liquid filter (10), wherein an inlet of the liquid filter (10) is communicated with the secondary side pipe (2) through a liquid inlet pipe (15), and an outlet of the liquid filter (10) is communicated with the primary side pipe (1) through a liquid outlet pipe (11);
a pressure sensor (7) and a conductivity sensor (5) are arranged on the primary side pipe (1), a first electromagnetic valve (18) is arranged on the secondary side pipe (2), and a second electromagnetic valve (16) is arranged on the liquid inlet pipe (15); wherein the first electromagnetic valve (18) is positioned on the secondary side pipe (2) at the downstream of the communication part of the liquid inlet pipe (15) and the secondary side pipe (2);
the device also comprises a controller, wherein the pressure sensor (7), the conductivity sensor (5), the first electromagnetic valve (18) and the second electromagnetic valve (16) are respectively electrically connected with the controller; the controller controls the on-off states of the first electromagnetic valve (18) and the second electromagnetic valve (16) according to the liquid pressure detected by the pressure sensor (7) and the liquid conductivity detected by the conductivity sensor (5).
Furthermore, a first check valve (19) is arranged on the secondary side pipe (2), and a second check valve (13) is arranged on the liquid outlet pipe (11); wherein the first check valve (19) is located upstream of the place where the liquid inlet pipe (15) communicates with the secondary side pipe (2) on the secondary side pipe (2).
Furthermore, a first temperature sensor (4) and a flow sensor (6) are arranged on the primary side pipe (1), and a second temperature sensor (21) is arranged on the secondary side pipe (2); the first temperature sensor (4), the flow sensor (6) and the second temperature sensor (21) are respectively electrically connected with the controller.
Furthermore, a first flow control valve (8) is arranged on the primary side pipe (1), and a second flow control valve (22) is arranged on the secondary side pipe (2); the first flow control valve (8) and the second flow control valve (22) are respectively electrically connected with the controller.
Furthermore, a water pump (20) is arranged on the secondary side pipe (2).
Furthermore, the device also comprises a differential pressure sensor (14) for detecting the liquid pressure difference in the liquid inlet pipe (15) and the liquid outlet pipe (11); the differential pressure sensor (14) is electrically connected with the controller.
Furthermore, a third flow control valve (17) is arranged on the liquid inlet pipe (15), and a fourth flow control valve (12) is arranged on the liquid outlet pipe (11); the third flow control valve (17) and the fourth flow control valve (12) are respectively electrically connected with the controller.
Further, the controller is a PLC.
The technical scheme of the invention also comprises an automatic liquid filtering method for the immersed liquid cooling system, which comprises the following steps:
the liquid inlet pressure of the primary side pipe (1) is detected through a pressure sensor (7), and the liquid inlet conductivity of the primary side pipe (1) is detected through a conductivity sensor (5);
when the liquid inlet pressure exceeds a preset pressure threshold or the liquid inlet conductivity exceeds a preset conductivity threshold, controlling a first electromagnetic valve (18) to close and a second electromagnetic valve (16) to open, and entering a filtering mode;
and when the liquid inlet pressure is lower than a preset pressure threshold value and the liquid inlet conductivity is lower than a preset conductivity threshold value, controlling the first electromagnetic valve (18) to be opened and the second electromagnetic valve (16) to be closed, and entering a normal working mode.
The invention provides an automatic liquid filtering device and method for an immersed liquid cooling system, which are provided with a liquid filter and an electromagnetic valve, wherein a primary side pipe is provided with a pressure sensor and a conductivity sensor, so that the liquid inlet pressure and the conductivity can be detected in real time, when the liquid inlet pressure is overlarge, the impurities of a cooling liquid are excessive, when the conductivity is overlarge, the impurities of conductive components are contained in the cooling liquid, the pressure is overlarge or the conductivity is overlarge, a controller controls the closing state of the relevant electromagnetic valve, the system is switched to a filtering mode, and the cooling liquid is filtered by the liquid filter. According to the invention, the filtering is automatically controlled according to the detected pressure and conductivity information, impurities in the cooling liquid are reduced after the filtering, the liquid heat dissipation efficiency is improved, the liquid conductivity is reduced, the server stability is improved, the liquid maintenance frequency is reduced, and the liquid and labor cost is saved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is a flowchart illustrating a second method according to an embodiment of the present invention.
In the figure, 1-primary side pipe, 2-secondary side pipe, 3-plate heat exchanger, 4-first temperature sensor, 5-conductivity sensor, 6-flow sensor, 7-pressure sensor, 8-first flow control valve, 9-liquid tank, 10-liquid filter, 11-liquid outlet pipe, 12-fourth flow control valve, 13-second check valve, 14-differential pressure sensor, 15-liquid inlet pipe, 16-second solenoid valve, 17-third flow control valve, 18-first solenoid valve, 19-first check valve, 20-water pump, 21-second temperature sensor, 22-second flow control valve.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of specific examples, which are illustrative of the present invention and are not limited to the following embodiments.
Example one
As shown in fig. 1, the embodiment provides an automatic liquid filtering device for an immersion type liquid cooling system, which comprises a primary side pipe 1 and a secondary side pipe 2, wherein a cooling liquid enters a liquid tank 9 from the primary side pipe 1, then enters a plate heat exchanger 3 after flowing out from the secondary side pipe 2 to exchange heat, and then flows into the primary side pipe 1.
The apparatus is provided with a liquid filter 10, and the liquid filter 10 may be a high-precision industrial liquid filter 10 for filtering the coolant. The inlet of the liquid filter 10 is connected to the secondary side pipe 2 through an inlet pipe 15, and the outlet of the liquid filter 10 is connected to the primary side pipe 1 through an outlet pipe 11.
A pressure sensor 7 and a conductivity sensor 5 are arranged on the primary side pipe 1, a first electromagnetic valve 18 is arranged on the secondary side pipe 2, and a second electromagnetic valve 16 is arranged on the liquid inlet pipe 15; wherein the first electromagnetic valve 18 is positioned on the secondary side pipe 2 downstream of the place where the liquid inlet pipe 15 communicates with the secondary side pipe 2.
The device is also provided with a controller, and the pressure sensor 7, the conductivity sensor 5, the first electromagnetic valve 18 and the second electromagnetic valve 16 are respectively and electrically connected with the controller. The controller controls the on-off states of the first solenoid valve 18 and the second solenoid valve 16 based on the liquid pressure detected by the pressure sensor 7 and the liquid conductivity detected by the conductivity sensor 5. Specifically, when the liquid inlet pressure exceeds a preset pressure threshold or the liquid inlet conductivity exceeds a preset conductivity threshold, the first electromagnetic valve 18 is controlled to be closed and the second electromagnetic valve 16 is controlled to be opened, and a filtering mode is entered; and when the liquid inlet pressure is lower than a preset pressure threshold value and the liquid inlet conductivity is lower than a preset conductivity threshold value, controlling the first electromagnetic valve 18 to be opened and the second electromagnetic valve 16 to be closed, and entering a normal working mode. It should be noted that the controller may be a PLC.
In this embodiment, the secondary side tube 2 is provided with a first check valve 19, and the liquid outlet tube 11 is provided with a second check valve 13; wherein the first check valve 19 is located upstream of the secondary side pipe 2 where the liquid inlet pipe 15 communicates with the secondary side pipe 2. The first check valve 19 and the second check valve 13 may be pinch check valves, preventing backflow of liquid.
In this embodiment, the apparatus further comprises a differential pressure sensor 14 for detecting a pressure difference between the liquids in the inlet pipe 15 and the outlet pipe 11. The liquid inlet pipe 15 is provided with a third flow control valve 17, the liquid outlet pipe 11 is provided with a fourth flow control valve 12, and the liquid inlet and outlet flow of the liquid filter 10 is controlled. The differential pressure sensor 14, the third flow rate control valve 17, and the fourth flow rate control valve 12 are electrically connected to the controller, respectively. The controller controls the opening degree of the third flow rate control valve 17 and the fourth flow rate control valve 12 based on the differential pressure detected by the differential pressure sensor 14.
In this embodiment, the primary pipe 1 is provided with a first temperature sensor 4 and a flow sensor 6, and the secondary pipe 2 is provided with a second temperature sensor 21. The first temperature sensor 4, the flow sensor 6, and the second temperature sensor 21 are electrically connected to the controller, respectively. The primary side pipe 1 is also provided with a first flow control valve 8, the secondary side pipe 2 is also provided with a second flow control valve 22, and the first flow control valve 8 and the second flow control valve 22 are respectively and electrically connected with a controller. The controller receives the temperatures detected by the first temperature sensor 4 and the second temperature sensor 21, and displays the detection results, so that the working personnel can check the operation condition of the system. The controller detects the liquid inlet flow according to the flow sensor 6, and controls the opening degrees of the first flow control valve 8 and the second flow control valve 22 by combining the liquid inlet and outlet temperature.
In this embodiment, the secondary side pipe 2 is further provided with a water pump 20 for pumping the coolant out of the liquid tank 9.
Example two
As shown in fig. 2, the embodiment provides an automatic liquid filtering method for an immersion liquid cooling system based on the above apparatus, including the following steps:
s1, detecting the liquid inlet pressure of the primary side pipe 1 through the pressure sensor 7, and detecting the liquid inlet conductivity of the primary side pipe 1 through the conductivity sensor 5;
s2, when the liquid inlet pressure exceeds a preset pressure threshold or the liquid inlet conductivity exceeds a preset conductivity threshold, controlling the first electromagnetic valve 18 to close and the second electromagnetic valve 16 to open, and entering a filtering mode;
and S3, when the liquid inlet pressure is lower than the preset pressure threshold value and the liquid inlet conductivity is lower than the preset conductivity threshold value, controlling the first electromagnetic valve 18 to be opened and the second electromagnetic valve 16 to be closed, and entering a normal working mode.
Under the normal operating mode, coolant liquid gets into liquid case 9 from primary side pipe 1, then flows out from secondary side pipe 2 and gets into plate heat exchanger 3 and cool back flow primary side pipe 1. In the filtration mode, the coolant flows out of the secondary side pipe 2, enters the liquid filter 10 for filtration, flows back to the primary side pipe 1 after filtration, and then flows into the liquid tank 9.
The method judges whether the cooling liquid contains excessive impurities or not according to the liquid inlet pressure and the liquid inlet conductivity, and when the pressure is excessive or the conductivity is excessive, the method indicates that the impurities in the cooling liquid are excessive or more conductive impurities exist, so that the opening and closing states of the first electromagnetic valve 18 and the second electromagnetic valve 16 are controlled, and the cooling liquid is filtered.
The above disclosure is only for the preferred embodiments of the present invention, but the present invention is not limited thereto, and any non-inventive changes that can be made by those skilled in the art and several modifications and amendments made without departing from the principle of the present invention shall fall within the protection scope of the present invention.
Claims (9)
1. An automatic liquid filtering device of an immersed liquid cooling system comprises a primary side pipe (1) and a secondary side pipe (2), and is characterized by further comprising a liquid filter (10), wherein an inlet of the liquid filter (10) is communicated with the secondary side pipe (2) through a liquid inlet pipe (15), and an outlet of the liquid filter (10) is communicated with the primary side pipe (1) through a liquid outlet pipe (11);
a pressure sensor (7) and a conductivity sensor (5) are arranged on the primary side pipe (1), a first electromagnetic valve (18) is arranged on the secondary side pipe (2), and a second electromagnetic valve (16) is arranged on the liquid inlet pipe (15); wherein the first electromagnetic valve (18) is positioned on the secondary side pipe (2) at the downstream of the communication part of the liquid inlet pipe (15) and the secondary side pipe (2);
the device also comprises a controller, wherein the pressure sensor (7), the conductivity sensor (5), the first electromagnetic valve (18) and the second electromagnetic valve (16) are respectively electrically connected with the controller; the controller controls the on-off states of the first electromagnetic valve (18) and the second electromagnetic valve (16) according to the liquid pressure detected by the pressure sensor (7) and the liquid conductivity detected by the conductivity sensor (5).
2. An automatic liquid filtration device according to claim 1, wherein the secondary side pipe (2) is provided with a first check valve (19), and the outlet pipe (11) is provided with a second check valve (13); wherein the first check valve (19) is located upstream of the place where the liquid inlet pipe (15) communicates with the secondary side pipe (2) on the secondary side pipe (2).
3. An automatic liquid filtering device according to claim 1 or 2, wherein the primary side pipe (1) is provided with a first temperature sensor (4) and a flow sensor (6), and the secondary side pipe (2) is provided with a second temperature sensor (21); the first temperature sensor (4), the flow sensor (6) and the second temperature sensor (21) are respectively electrically connected with the controller.
4. An automatic liquid filtering device according to claim 3, wherein the primary side pipe (1) is provided with a first flow control valve (8), and the secondary side pipe (2) is provided with a second flow control valve (22); the first flow control valve (8) and the second flow control valve (22) are respectively electrically connected with the controller.
5. An automatic liquid filtering device according to claim 4, wherein the secondary side pipe (2) is provided with a water pump (20).
6. An apparatus as claimed in claim 1 or 2, further comprising a differential pressure sensor (14) for detecting a differential pressure between the liquid in the inlet (15) and outlet (11) tubes; the differential pressure sensor (14) is electrically connected with the controller.
7. An automatic liquid filtering device according to claim 6, wherein a third flow control valve (17) is provided on the liquid inlet pipe (15), and a fourth flow control valve (12) is provided on the liquid outlet pipe (11); the third flow control valve (17) and the fourth flow control valve (12) are respectively electrically connected with the controller.
8. The apparatus of claim 1, 2, 4 or 7, wherein the controller is a PLC.
9. An automatic liquid filtering method for an immersed liquid cooling system is characterized by comprising the following steps:
the liquid inlet pressure of the primary side pipe (1) is detected through a pressure sensor (7), and the liquid inlet conductivity of the primary side pipe (1) is detected through a conductivity sensor (5);
when the liquid inlet pressure exceeds a preset pressure threshold or the liquid inlet conductivity exceeds a preset conductivity threshold, controlling a first electromagnetic valve (18) to close and a second electromagnetic valve (16) to open, and entering a filtering mode;
and when the liquid inlet pressure is lower than a preset pressure threshold value and the liquid inlet conductivity is lower than a preset conductivity threshold value, controlling the first electromagnetic valve (18) to be opened and the second electromagnetic valve (16) to be closed, and entering a normal working mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010380509.9A CN111643954A (en) | 2020-05-08 | 2020-05-08 | Automatic liquid filtering device and method for immersed liquid cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010380509.9A CN111643954A (en) | 2020-05-08 | 2020-05-08 | Automatic liquid filtering device and method for immersed liquid cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN111643954A true CN111643954A (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010380509.9A Pending CN111643954A (en) | 2020-05-08 | 2020-05-08 | Automatic liquid filtering device and method for immersed liquid cooling system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438295A (en) * | 2022-02-15 | 2022-05-06 | 宝钢湛江钢铁有限公司 | Automatic control method for production process parameters of quenching tank |
| CN114784418A (en) * | 2022-06-16 | 2022-07-22 | 北京以电航空科技有限公司 | Immersed battery pack and electric automobile |
| TWI809725B (en) * | 2021-07-21 | 2023-07-21 | 台達電子工業股份有限公司 | Immersion cooling system |
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| CN204929512U (en) * | 2015-08-18 | 2015-12-30 | 深圳市长昊机电有限公司 | A supply water -chilling plant for converter |
| CN106253635A (en) * | 2016-08-17 | 2016-12-21 | 常州博瑞电力自动化设备有限公司 | The double water distribution cooling system of a kind of direct-current transmission converter valve |
| CN207276361U (en) * | 2017-09-13 | 2018-04-27 | 沈阳创联工业技术有限公司 | A kind of closed cooling water system of reactive-load compensation generating means |
| CN209489050U (en) * | 2018-10-19 | 2019-10-11 | 三河同飞制冷股份有限公司 | A kind of recoil of band and microbubble remove dual function water cooling plant |
| CN209563071U (en) * | 2018-10-26 | 2019-10-29 | 常州博瑞电力自动化设备有限公司 | A kind of closed circulating cooling system with air pressure stabilizing |
-
2020
- 2020-05-08 CN CN202010380509.9A patent/CN111643954A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204929512U (en) * | 2015-08-18 | 2015-12-30 | 深圳市长昊机电有限公司 | A supply water -chilling plant for converter |
| CN106253635A (en) * | 2016-08-17 | 2016-12-21 | 常州博瑞电力自动化设备有限公司 | The double water distribution cooling system of a kind of direct-current transmission converter valve |
| CN207276361U (en) * | 2017-09-13 | 2018-04-27 | 沈阳创联工业技术有限公司 | A kind of closed cooling water system of reactive-load compensation generating means |
| CN209489050U (en) * | 2018-10-19 | 2019-10-11 | 三河同飞制冷股份有限公司 | A kind of recoil of band and microbubble remove dual function water cooling plant |
| CN209563071U (en) * | 2018-10-26 | 2019-10-29 | 常州博瑞电力自动化设备有限公司 | A kind of closed circulating cooling system with air pressure stabilizing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI809725B (en) * | 2021-07-21 | 2023-07-21 | 台達電子工業股份有限公司 | Immersion cooling system |
| CN114438295A (en) * | 2022-02-15 | 2022-05-06 | 宝钢湛江钢铁有限公司 | Automatic control method for production process parameters of quenching tank |
| CN114784418A (en) * | 2022-06-16 | 2022-07-22 | 北京以电航空科技有限公司 | Immersed battery pack and electric automobile |
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Application publication date: 20200911 |