CN217716078U - Liquid cooling heat exchange system with backup function, flow and pressure adjustable and accurate temperature control functions - Google Patents
Liquid cooling heat exchange system with backup function, flow and pressure adjustable and accurate temperature control functions Download PDFInfo
- Publication number
- CN217716078U CN217716078U CN202221585144.4U CN202221585144U CN217716078U CN 217716078 U CN217716078 U CN 217716078U CN 202221585144 U CN202221585144 U CN 202221585144U CN 217716078 U CN217716078 U CN 217716078U
- Authority
- CN
- China
- Prior art keywords
- temperature
- pressure
- liquid
- sensor
- load
- 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
- Control Of Temperature (AREA)
Abstract
The utility model discloses a liquid cooling heat transfer system with adjustable accurate accuse temperature of backup function flow pressure, including the coolant liquid circulation circuit that heat exchanger (1), filter (3), load, bubble separator (7), solution tank (9), pump constitute, heat exchanger (1) connects in parallel has electronic bypass valve A (20), and temperature sensor A (30) are installed to the intercommunication between filter (3), the load. The utility model discloses can realize the accurate control of temperature and prevent the condensation function to realize the backup of pump, fan, improved operational reliability, and have easy maintenance's advantage.
Description
Technical Field
The utility model relates to a liquid cooling heat transfer system field specifically is a liquid cooling heat transfer system with adjustable accurate accuse temperature of backup function flow pressure.
Background
The liquid cooling heat exchange system matched with the special industry is required to have high task reliability, normally works at the ambient temperature (-40-50 ℃), has the requirement of the accuracy of the liquid supply temperature of the heat exchange device by the load to be +/-0.3 ℃, and has the change of the start-stop state of the load.
In addition, the liquid cooling heat exchange system matched with the special industry needs to start the pump under the condition of low environmental temperature, and the liquid supply temperature and the preheating of the cooling liquid need to be controlled due to the low liquid supply temperature.
Meanwhile, the liquid cooling heat exchange system matched with the special industry needs to display the liquid supply flow and pressure and control the liquid supply flow and pressure at any time because the liquid supply flow and pressure required by the load change at any time.
The existing liquid cooling heat exchange system in special industry can not meet the requirement of accurate temperature control, so that a liquid cooling heat exchange system capable of realizing accurate temperature control is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a liquid cooling heat transfer system with adjustable accurate accuse temperature of backup function flow pressure to the liquid cooling heat transfer system who solves prior art special industry is difficult to satisfy the problem of accurate accuse temperature demand.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
liquid cooling heat transfer system with adjustable accurate accuse temperature of backup function flow pressure, including coolant liquid circulation circuit, coolant liquid circulation circuit returns heat exchanger (1) through the pump after filter (3), load, bubble separator (7), solution tank (9), the pump are flowed through in proper order to heat exchanger (1) including heat exchanger (1), filter (3), load, bubble separator (7), solution tank (9) that dispose the fan, heat exchanger (1) parallel connection has electronic bypass valve A (20), temperature sensor A (30) are installed in the intercommunication between filter (3), the load, based on the signal control that temperature sensor A (30) gathered electronic bypass valve A (20).
Furthermore, a plurality of groups of pumps are connected in parallel and communicated between the solution tank (9) and the heat exchanger (1).
Furthermore, two ends of each group of pumps are respectively communicated with and provided with a stop valve.
Furthermore, the heat exchanger (1) is provided with a plurality of groups of fans, a temperature sensor D (38) is arranged on the air inlet side of the heat exchanger (1), and at least one group of fans is controlled based on signals collected by the temperature sensor D (38).
Furthermore, the air conditioner further comprises an electric bypass valve B (22), one end of the electric bypass valve B (22) is communicated between the filter (3) and the load in a bypass mode, the other end of the electric bypass valve B (22) is communicated between the load and the bubble separator (7) in a bypass mode, a flow sensor (31) and a pressure sensor A (32) are further communicated between the filter (3) and the load, and the electric bypass valve B (22) is controlled based on signals collected by the flow sensor (31) and the pressure sensor A (32).
Further, a stop valve K (23) is connected in parallel to the electric bypass valve B (22).
Further, the solution tank (9) is provided with a photoelectric liquid level sensor (35) and a pressure sensor C (37), the photoelectric liquid level sensor (35) collects the liquid level of the solution tank (9), and the pressure sensor C (37) collects the solution pressure in the solution tank (9).
Furthermore, the solution tank (9) is provided with an electric heating device (27) and a temperature sensor C (36), the temperature in the solution tank (9) is collected by the temperature sensor C (36), the solution tank (9) is heated by the electric heating device (27), and the electric heating device (27) is controlled based on a signal collected by the temperature sensor C (36).
Furthermore, two ends of the filter (3) are respectively communicated with and provided with a stop valve.
Further, a dew point temperature sensor (39) is arranged at the load, the temperature of the load is collected by the dew point temperature sensor (39), and the electric bypass valve A (20) is controlled based on a signal collected by the dew point temperature sensor (39).
The utility model discloses pipeline bypass between the heat exchanger has electronic bypass valve A, and electronic bypass valve A regards as the adjusting device of the other flux of coolant liquid, and with the difference and the trend of change of actual liquid supply temperature and settlement temperature as the judgement foundation, adopt the intelligent control means to realize the accurate control to liquid supply temperature.
The utility model discloses a parallelly connected pump of multiunit, when the pump breaks down wherein all the way, like pump A trouble, can automatic switch to pump B through electrical control, realize switching on line, reach backup function. And a plurality of groups of fans are adopted to realize cold backup when the heat exchange system in the low-temperature environment is started (namely, at least one group of fans of the axial flow are only needed to be started when the environment temperature is very low, so that the requirement of the liquid supply temperature can be met). And the task reliability is improved.
The utility model discloses an electric bypass valve B realizes supplying liquid flow, supply liquid pressure's regulation at any time, in addition when the debugging experiment, adopts manual regulation stop valve K to realize supplying liquid flow, supply liquid pressure to adjust for convenient the regulation.
The utility model adopts the photoelectric liquid level sensor to realize the low liquid level alarm of the solution tank, adopts the pressure sensor C to sense the pressure and realizes the liquid level display through the control, and has simple structure;
the utility model discloses an electric heater unit realizes preheating of heat transfer system in arranging the solution case in.
The stop valves are arranged at the two ends of the filter in the utility model, which is convenient for the maintenance and the replacement of the filter element;
the stop valves are arranged at the two ends of each group of pumps in the utility model, which is convenient for the maintenance and the replacement of the pumps;
the utility model discloses load return air department is arranged in to dew point temperature sensor, and the signal based on dew point temperature sensor gathers passes through electric bypass valve A (20) and transfers the temperature to 2 ℃ above the condensation point temperature automatically, can prevent effectively that the heat source from dewing.
Compared with the prior art, the utility model has the advantages that:
1) The backup and the online switching of the pump are realized, and the task reliability is improved.
2) The fan realizes cold backup.
3) The regulation of the liquid supply flow pressure and the liquid supply flow is realized.
4) The accurate control of temperature and prevent condensation function are realized.
5) The preheating of the cooling liquid of the heat exchange system is realized.
6) Simple structure, convenient to use, easy maintenance, the reliability is high.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, the utility model discloses liquid cooling heat transfer system with adjustable accurate temperature control of backup function flow pressure, including heat exchanger 1, stop valve A2, fine filter 3, stop valve B4, stop valve C5, stop valve D6, bubble separator 7, stop valve E8, solution tank 9, stop valve 10, primary filter 11, stop valve F12, stop valve G13, pump A14, pump B15, check valve A16, check valve B17, stop valve H18, stop valve I19, electronic bypass valve A20, stop valve J21, electronic bypass valve B22, stop valve K23, automatic exhaust valve 24, axial fan A25, axial fan B26, electric heater unit 27, stop valve L28, stop valve M29, temperature sensor A30, flow sensor 31, pressure sensor A32, temperature sensor B33, pressure sensor B34, photoelectric liquid level sensor 35, temperature sensor C36, pressure sensor C37, temperature sensor D38, dew point temperature sensor 39.
The system comprises a heat exchanger 1, a stop valve A2, a fine filter 3, a stop valve B4, a stop valve C5, a stop valve D6, a bubble separator 7, a stop valve E8, a solution 9, a stop valve 10 and a primary filter 11 which are sequentially connected through a pipeline and divided into A, B, wherein the A path is sequentially connected with a stop valve F12, a pump A14, a check valve A16 and a stop valve H18 through a pipeline, the B path is sequentially connected with a stop valve G13, a pump B15, a check valve B17 and a stop valve I19 through a pipeline, and the A path and the B path are converged at the outlet of the stop valve H18 and the outlet of the stop valve I19 through a pipeline and enter the heat exchanger 1 to form a circulation loop.
An electric bypass valve A20 is bypassed on the pipeline between the heat exchangers 1.
A cut-off valve J21 is bypassed between the inlet of the cut-off valve A2 and the outlet of the cut-off valve B4.
An electric bypass valve B22 and a stop valve K23 are bypassed between the inlet of the stop valve C5 and the outlet of the stop valve D6, respectively.
A temperature sensor a30 is attached to the outlet of the stop valve B4 and the inlet pipe of the stop valve C5, a flow sensor 31 and a pressure sensor a32 are attached to the pipe between the outlet of the stop valve C5 and the load, and a temperature sensor B33 and a pressure sensor B34 are attached to the outlet pipe of the stop valve D6. A dew point temperature sensor 39 is mounted at the load.
The heat exchange of the heat exchanger 1 is realized by an axial flow fan A25 and an axial flow fan B26, and a temperature sensor D38 is installed at the air inlet of the heat exchanger 1.
The automatic exhaust valve 24, the electric heating device 27, the photoelectric liquid level sensor 35, the temperature sensor C36 and the pressure sensor V37 are arranged on the solution tank 9.
The stop valves L28 and M29 are drain valves.
The cooling liquid of the heat exchange system flows into two paths, wherein the first path comprises the following steps: heat exchanger 1 → stop valve A2 → fine filter 3 → stop valve B4 → stop valve C5 → stop valve D6 → bubble separator 7 → stop valve E8 → solution tank 9 → stop valve 10 → primary filter 11 → stop valve F12 → pump a14 → stop valve a16 → stop valve H18 → heat exchanger 1. In the first path: heat exchanger 1 → stop valve A2 → fine filter 3 → stop valve B4 → stop valve C5 → stop valve D6 → bubble separator 7 → stop valve E8 → solution 9 → stop valve 10 → primary filter 11 → stop valve F13 → pump B15 → stop valve a17 → stop valve H19 → heat exchanger 1.
After the high-temperature cooling liquid from the load exchanges heat with air circulating in the heat exchanger 1 through the heat exchanger 1, the high-temperature cooling liquid is discharged into the surrounding atmosphere through the axial flow fan A25 and the axial flow fan B26 to finish cooling the cooling liquid.
The utility model discloses in, the mode is as follows:
1) When the heat exchange system works, except the working process of the heat exchange system, an electric bypass valve A20 is bypassed on a pipeline between the heat exchangers 1, the electric bypass valve A20 is used as a regulating device for the bypass flux of cooling liquid, the cooling liquid bypass is that part of the cooling liquid discharged by a pump A14 is directly sent to an inlet of a stop valve A2 without being cooled by the heat exchanger 1, and is mixed with the cooling liquid passing through an outlet of the heat exchanger 1 (equivalently, the temperature of the liquid supply of the cooling liquid entering a load is increased) for regulating the temperature of the liquid supply in real time. Taking the difference value between the actual liquid supply temperature and the set temperature and the variation trend thereof as judgment bases, when the liquid supply temperature is detected to be higher than the set temperature, closing all the electric bypass valves A20, and at the moment, not using all the bypass quantity for cooling; when the liquid supply temperature is detected to be lower than the set temperature, opening the electric bypass valve A20 to mix a part of high-temperature cooling liquid with the cooling liquid passing through the outlet of the heat exchanger 1, thereby increasing the liquid supply temperature; and the difference value between the liquid supply temperature and the set temperature and the change trend of the difference value are used as judgment bases, the opening degree of the electric bypass valve A20 is adjusted in real time, the bypass quantity is adjusted in real time, and the accurate control of the liquid supply temperature is finally realized.
2) The pump A14 and the pump B15 are installed in parallel, when one pump fails, such as the pump A14 fails, the pump A14 can be automatically switched to the pump B15 through electric control, online switching is achieved, and a backup function is achieved.
3) Two axial fans are adopted to realize cold backup when the heat exchange system in the low-temperature environment is started (namely when the environment temperature is very low, only the axial fan A25 or the axial fan B26 needs to be started), and the requirement of the liquid supply temperature is met.
4) When the liquid supply flow and the liquid supply pressure need to be adjusted, the load liquid supply flow and the load liquid supply pressure change along with the needs, the liquid supply flow and the liquid supply pressure of the heat exchange system are required to be adjusted at any time, the electric bypass valve B22 is adopted to realize the adjustment at any time, and in addition, during debugging experiments, the manual adjusting stop valve K23 is adopted to realize the adjustment of the liquid supply flow and the liquid supply pressure in order to facilitate the adjustment.
5) The photoelectric liquid level sensor 35 is adopted to realize low liquid level alarm of the solution tank 9, and the pressure sensor C37 is adopted to sense pressure and realize liquid level display through control.
6) The electric heating device 27 is arranged in the solution tank 9 to realize the preheating of the heat exchange system.
7) The two ends of the fine filter 3 are provided with a stop valve A2 and a stop valve B4, so that the filter element can be conveniently replaced.
8) Stop valve G13 and stop valve I19 are installed at pump A14 both ends, and check valve B17 and stop valve H18 are installed at pump B15 both ends, and the maintenance of the pump of being convenient for is changed.
9) The dew point temperature sensor 39 is arranged at the load return air position, and the controller automatically adjusts the water temperature to 2 ℃ above the condensation point temperature through the electric bypass valve A (20). When the liquid supply temperature is manually set, the liquid supply temperature range is 2 ℃ above the condensation point temperature, and the condensation of a heat source can be effectively prevented.
The embodiments of the present invention are only descriptions of the preferred embodiments of the present invention, not right the present invention is designed and limited, without departing from the design concept of the present invention, the technical personnel in the field should fall into the protection scope of the present invention for various modifications and improvements made by the technical solution of the present invention, and the technical contents of the present invention are all recorded in the claims.
Claims (10)
1. Liquid cooling heat transfer system with adjustable accurate accuse temperature of backup function flow pressure, including coolant liquid circulation circuit, coolant liquid circulation circuit is including heat exchanger (1), filter (3), load, bubble separator (7), solution tank (9), the pump that dispose the fan, and the coolant liquid that heat exchanger (1) flows out returns to heat exchanger (1) through the pump after filter (3), load, bubble separator (7), solution tank (9) in proper order, its characterized in that, heat exchanger (1) parallel connection has electronic bypass valve A (20), temperature sensor A (30) are installed in the intercommunication between filter (3), the load, based on the signal control that temperature sensor A (30) gathered electronic bypass valve A (20).
2. The liquid-cooled heat exchange system with backup function, adjustable flow pressure and accurate temperature control as claimed in claim 1, wherein there are multiple sets of pumps, and the multiple sets of pumps are connected in parallel between the solution tank (9) and the heat exchanger (1).
3. The system of claim 2, wherein two ends of each set of pumps are respectively connected to a stop valve.
4. The liquid-cooled heat exchange system with the backup function, the pressure of flow and the accurate temperature control function as claimed in claim 1, wherein the heat exchanger (1) is provided with a plurality of sets of fans, the air inlet side of the heat exchanger (1) is provided with a temperature sensor D (38), and at least one set of fans is controlled based on signals collected by the temperature sensor D (38).
5. The liquid cooling heat exchange system with the backup function, the flow pressure can be adjusted, and the temperature can be accurately controlled, according to the claim 1, the system further comprises an electric bypass valve B (22), one end of the electric bypass valve B (22) is communicated between the filter (3) and the load in a bypass mode, the other end of the electric bypass valve B (22) is communicated between the load and the bubble separator (7) in a bypass mode, a flow sensor (31) and a pressure sensor A (32) are further communicated between the filter (3) and the load in a bypass mode, and the electric bypass valve B (22) is controlled based on signals collected by the flow sensor (31) and the pressure sensor A (32).
6. The system of claim 5, wherein said electrically operated bypass valve B (22) is connected in parallel with a shut-off valve K (23).
7. The liquid-cooled heat exchange system with backup function, adjustable pressure and accurate temperature control of flow as claimed in claim 1, wherein the solution tank (9) is configured with a photoelectric liquid level sensor (35) and a pressure sensor C (37), the photoelectric liquid level sensor (35) is used to collect the liquid level of the solution tank (9), and the pressure sensor C (37) is used to collect the solution pressure inside the solution tank (9).
8. The liquid cooling heat exchange system with the backup function, the pressure of which can be adjusted and the temperature of which can be accurately controlled according to the pressure of which can be adjusted is as set forth in claim 1, wherein the solution tank (9) is provided with an electric heating device (27) and a temperature sensor C (36), the temperature sensor C (36) is used for collecting the temperature in the solution tank (9), the electric heating device (27) is used for heating the solution tank (9), and the electric heating device (27) is controlled based on the signal collected by the temperature sensor C (36).
9. The liquid-cooled heat exchange system with the backup function, the adjustable pressure and the accurate temperature control of the flow rate as claimed in claim 1, wherein two ends of the filter (3) are respectively communicated with and provided with a stop valve.
10. The liquid-cooled heat exchange system with the backup function, the flow pressure of which can be adjusted and the temperature of which can be accurately controlled according to claim 1, wherein a dew point temperature sensor (39) is arranged at the load, the temperature of the load is collected by the dew point temperature sensor (39), and the electric bypass valve A (20) is controlled based on a signal collected by the dew point temperature sensor (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221585144.4U CN217716078U (en) | 2022-06-23 | 2022-06-23 | Liquid cooling heat exchange system with backup function, flow and pressure adjustable and accurate temperature control functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221585144.4U CN217716078U (en) | 2022-06-23 | 2022-06-23 | Liquid cooling heat exchange system with backup function, flow and pressure adjustable and accurate temperature control functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217716078U true CN217716078U (en) | 2022-11-01 |
Family
ID=83776189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221585144.4U Active CN217716078U (en) | 2022-06-23 | 2022-06-23 | Liquid cooling heat exchange system with backup function, flow and pressure adjustable and accurate temperature control functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217716078U (en) |
-
2022
- 2022-06-23 CN CN202221585144.4U patent/CN217716078U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101660815B (en) | Air-conditioning system and control method thereof | |
| CN108680050B (en) | Conduction oil heating and cooling system with air cooling function | |
| CN201093649Y (en) | Full heat recovery instant heating circulating type water heat supply central air conditioner | |
| CN210554237U (en) | Fuel cell system and automobile | |
| CN206959658U (en) | Fully-automatic intelligent plate-type heat-exchange unit | |
| CN217716078U (en) | Liquid cooling heat exchange system with backup function, flow and pressure adjustable and accurate temperature control functions | |
| CN106059323A (en) | Cooling system of frequency converter | |
| CN218677217U (en) | Fuel cell heat dissipation system and fuel cell | |
| CN201166447Y (en) | Hot water generating device and heat pump hot water system with same | |
| CN115031568A (en) | Liquid cooling heat exchange system with backup function, flow and pressure adjustable and accurate temperature control functions | |
| CN107839496A (en) | The heat management system of electrokinetic cell bag and there is its electric automobile | |
| CN110380152A (en) | A kind of novel battery thermal management module and its control method | |
| CN115243527A (en) | Inserting frame CDU system and control method | |
| CN110118428A (en) | Environmentally protective heat recovery system | |
| CN109631140A (en) | Ocean nuclear power platform cabin heating system | |
| CN208920613U (en) | Dual-purpose heating stove waterway structure and dual-purpose heating stove comprising it | |
| CN211177453U (en) | Multi-medium multi-temperature intelligent heating equipment | |
| CN207473437U (en) | A kind of double mode handover control system of automatic steam control and electric heating control | |
| CN218244222U (en) | Insert frame CDU system | |
| CN209752929U (en) | Special cold and hot full-effect constant temperature machine | |
| CN211202160U (en) | Device for controlling fuel temperature of single-cylinder diesel engine | |
| CN219368450U (en) | Antifreezing cross flow cooling tower | |
| CN218937715U (en) | Wind tunnel cooling system | |
| CN221484288U (en) | Boiler heating system | |
| CN218336927U (en) | Split type air-cooled CDU system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |