Visual automatic air supply expansion tank and liquid cooling unit

By introducing a visual automatic gas replenishment device into the expansion tank, the gas condition can be visualized and automatically replenished using pressure sensors and controllers. This solves the problems of the lack of visibility and automation in the automatic gas replenishment of the expansion tank in liquid-cooled units, reduces maintenance costs, and improves the accuracy of gas replenishment.

CN223755619UActive Publication Date: 2026-01-02NINGBO AUX ELECTRIC CO LTD
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Patent Information

Application Number
CN202520112712.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-01-02
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

Existing automatic gas replenishment methods for expansion tanks are not visible and lack automation, and there is a lack of corresponding automatic gas replenishment devices in liquid cooling units, resulting in high maintenance costs.

Method used

Design a visual automatic gas replenishment expansion tank, including a first cavity and a second cavity inside the tank, a gas replenishment device and a display device on the outside of the tank. Visual monitoring of the gas status and automatic gas replenishment are realized through pressure sensors and controllers. The gas replenishment device is connected to the expansion tank to form a sealed environment. The controller automatically adjusts the gas replenishment amount according to the pressure signal.

Benefits of technology

It enables automated and visualized gas replenishment of the expansion tank, reducing maintenance costs, improving gas replenishment accuracy, and reducing manual intervention and unreasonable energy consumption.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223755619U_ABST
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Abstract

The utility model provides a visual automatic air supply expansion tank and a liquid cooling unit wherein the visual automatic air supply expansion tank comprises a tank body which comprises a first cavity and a second cavity; wherein the first cavity is used for containing gas, and the second cavity is used for containing water; the gas supplementing device is arranged on the outer side of the tank body, communicates with the first cavity and is used for supplementing gas in time after gas in the first cavity leaks; and the display device is used for displaying the gas condition in the first cavity. The expansion tank is provided with the display device and is externally connected with the small air supply device, so that the aims of accurately mastering the leakage condition of air in the tank and timely supplying appropriate air by the air supply device are fulfilled, the visual function can prevent maintenance personnel from misjudging the residual air in the expansion tank, and the expansion tank not only can automatically supply air, but also can supply air to the expansion tank. And the gas condition in the first cavity can be visualized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of expansion tank, concretely relates to a visual automatic air supplementing expansion tank and liquid cooling unit. BACKGROUND

[0002] In order to maintain the pressure balance of liquid cooling energy storage system, prevent air from entering the system and thus guarantee the efficient operation of the system, an expansion tank will be installed in the system. However, during the operation of the unit, the gas in the air bag inside the expansion tank will gradually leak, resulting in insufficient internal air pressure. Therefore, the expansion tank needs to be supplemented with air once a year. Since the installation location of the energy storage liquid cooling unit is usually in a remote area, the cost of maintenance and air supplementing is high. Therefore, a precise and visual automatic air supplementing device is needed to reduce the maintenance frequency and cost of the expansion tank during use.

[0003] Currently, there are automatic air supplementing tanks that can adjust the air supplementing amount in the technical field of water supply systems. An adjusting assembly is arranged inside the tank. The size relationship between the buoyancy and gravity of the adjusting assembly when the water level in the air supplementing tank rises or falls is used to adjust the air supplementing amount. That is, the adjusting device is not associated with the expansion tank, and is used with the expansion tank to achieve the corresponding effect. In a wind power cooling system, there is also a device for adding cooling water and supplementing air in the expansion tank. That is, one side is connected with a gas pipe, an air supplementing machine and a presser. This scheme has many system components and needs to be manually operated.

[0004] However, the existing automatic air supplementing method for the expansion tank has the disadvantages of invisibility, insufficient automation and too many components. Moreover, there is no automatic air supplementing device for the expansion tank of the liquid cooling unit. UTILITY MODEL CONTENTS

[0005] The utility model solves the disadvantages of invisibility and insufficient automation of the existing automatic air supplementing method for the expansion tank.

[0006] To solve the above problems, the utility model provides a visual automatic air supplementing expansion tank, which comprises: a tank body, the tank body comprises a first cavity and a second cavity;

[0007] The first cavity contains gas, and the second cavity contains water.

[0008] An air supplementing device is arranged outside the tank body and communicates with the first cavity, and is used for supplementing air in the first cavity in a timely manner after the gas leaks.

[0009] A display device is used for displaying the gas condition in the first cavity.

[0010] The technical effects achieved by the technical scheme are as follows: the display device and the small external air supplement device are arranged on the expansion tank, so that the gas leakage in the tank can be accurately grasped, the air supplement device can timely supplement the air in an appropriate amount, the visual function can avoid the misjudgment of the gas amount in the expansion tank by the maintenance personnel, the expansion tank can automatically supplement the air, and the gas condition in the first cavity can be visualized, the air supplement method of emptying the cooling liquid in the expansion tank and then injecting the gas with the pre-charged pressure value is not needed, and the maintenance cost is reduced.

[0011] Optionally, the tank body is provided with an air nozzle at one end, the air nozzle is in communication with the first cavity, and the air supplement device is connected with the air nozzle.

[0012] The technical effects achieved by the technical scheme are as follows: the air nozzle is used to connect the air supplement device with the first cavity of the expansion tank, the process of connecting the air supplement device with the first cavity of the expansion tank is simple, and the air supplement device has strong operability and implementability.

[0013] Optionally, the air supplement device comprises an air supplement pipe and an air supplement machine, the air supplement machine is connected with the air supplement pipe, and the air nozzle is connected with the air supplement pipe.

[0014] The technical effects achieved by the technical scheme are as follows: the air supplement device comprises the air supplement pipe and the air supplement machine, the air supplement machine is connected with the air supplement pipe, the air nozzle is connected with the air supplement machine, a sealed environment is formed, the risk of air entering the tank body is further reduced compared with the air nozzle being separately closed, and the air supplement device is simple and easy to install.

[0015] Optionally, the first cavity is provided with a pressure sensor, and the pressure sensor transmits the gas condition of the first cavity to the display device.

[0016] The technical effects achieved by the technical scheme are as follows: the pressure sensor arranged in the first cavity can accurately measure the pressure of the gas in the first cavity, and then the display device displays the pressure of the gas in the first cavity, so that the leakage of the gas in the first cavity can be monitored at any time.

[0017] Optionally, a controller is further included, the controller is connected with the pressure sensor and the display device respectively, and the pressure sensor transmits the gas condition of the first cavity to the display device through the controller.

[0018] The technical effects achieved by the technical scheme are as follows: the controller is connected with the pressure sensor and the display device respectively, so that the pressure signal detected by the pressure sensor is transmitted to the controller, the controller can output the display signal to be displayed on the display device, and the stability of the pressure signal transmission is realized.

[0019] Optionally, the controller is connected with the air supplement device, and the controller transmits the control signal to the air supplement device to control the air supplement amount of the air supplement device according to the control signal.

[0020] The technical effects achieved by the technical scheme are as follows: the controller is connected with the air supplement device, the pressure sensor transmits the pressure signal to the controller, the controller can output the control signal to the air supplement device, the user sets the pressure interval according to the use scene before use, the air supplement device automatically supplements air to the first chamber when the gas pressure of the first chamber is lower than the lower limit value of the pressure interval, the supplemented air enters the first chamber from the air supplement device through the air nozzle, the air supplement device stops working when the pressure value of the first chamber reaches the upper limit value of the pressure interval, the automatic air supplement process of the first chamber of the expansion tank is completed, the automatic air supplement of the expansion tank is more automatic, and the air supplement precision of this scheme is much higher than that of the adjusting assembly arranged in the water side of the air supplement tank.

[0021] Optionally, the air nozzle is detachably connected with the air supplement pipe, and the air supplement pipe is detachably connected with the air supplement machine.

[0022] The technical effects achieved by the technical scheme are as follows: the air nozzle is detachably connected with the air supplement pipe, and the air supplement pipe is detachably connected with the air supplement machine, the detachable air supplement machine and air supplement pipe can be connected with the air nozzle and the air supplement pipe when the reserved position of the expansion tank is limited.

[0023] Optionally, the tank body includes: the first shell and the partitioning piece surround the first chamber; and the second shell and the partitioning piece surround the second chamber.

[0024] The technical effects achieved by the technical scheme are as follows: the occupied space is smaller, the use is more flexible, and the application is more extensive.

[0025] The embodiment of the application further provides a liquid cooling unit, which comprises:

[0026] a fluorine system,

[0027] a water system, the water system comprising a circulating water pump and the expansion tank of any one of the technical schemes, and the circulating water pump being connected with the expansion tank.

[0028] The technical effects achieved by the technical scheme are as follows: when the circulating water pump is running, the water pressure and the water temperature change constantly, at this time, the expansion tank plays a buffering role, but long-term operation will cause the gas in the first chamber of the expansion tank to gradually leak, at this time, the expansion tank can be automatically and accurately supplemented with air by the air supplement device, and the gas amount and the gas pressure in the tank can be grasped by the display device, thereby reducing the operation and maintenance cost.

[0029] The display device displays parameters and indexes of the expansion tank and the liquid cooling unit.

[0030] The technical effects achieved by the technical scheme are as follows: the display device displays parameters and indexes of the expansion tank and the liquid cooling unit, that is, the expansion tank and the liquid cooling unit share one display device, and the display device and the liquid cooling unit are more systematic and integrated. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 A visual automatic air supplementing expansion tank structure schematic diagram is provided for the embodiment of the present application.

[0032] Figure 2 A visual automatic air supplementing expansion tank principle schematic diagram is provided for the embodiment of the present application.

[0033] Figure 3 A liquid cooling unit principle schematic diagram is provided for the embodiment of the present application.

[0034] BRIEF DESCRIPTION OF DRAWINGS

[0035] 100, expansion tank; 10, tank body; 20, air supplementing device; 30, display device; 40, pressure sensor; 50, controller;

[0036] 11, first cavity; 12, second cavity; 13, air nozzle; 14, interface; 15, first shell; 16, second shell; 17, barrier;

[0037] 21, air supplementing pipe; 22, air supplementing machine;

[0038] 1, liquid cooling unit; 200, circulating water pump. DETAILED DESCRIPTION

[0039] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below.

[0040] Please refer to Figure 1 and Figure 2 , Figure 1 A visual automatic air supplementing expansion tank structure schematic diagram is provided for the embodiment of the present application, Figure 2A visual automatic air supplementing expansion tank principle schematic diagram is provided for the embodiments of the present application, the embodiments of the present application provide a visual automatic air supplementing expansion tank 100, the expansion tank 100 includes a tank body 10, an air supplementing device 20, a display device 30, the tank body 10 includes a first cavity 11 and a second cavity 12, wherein the first cavity 11 contains gas, and the second cavity 12 contains water;The air supplementing device 20 is arranged outside the tank body 10 and is in communication with the first cavity 11, and is used for timely air supplementing after gas leakage in the first cavity 11;The display device 30 is used for displaying the gas condition in the first cavity 11;Through the mode that the expansion tank 100 is provided with the display device 30 and is externally connected with the small air supplementing device 20, the purpose that the gas leakage condition in the tank body 10 is accurately grasped, the air supplementing device 20 timely supplements appropriate air, and the visual function can avoid the misjudgment of the maintenance personnel to the gas residual amount in the expansion tank 100, so that the expansion tank 100 can not only automatically supplement air, but also visualize the gas condition in the first cavity 11, and the method that the cooling liquid water in the expansion tank 100 is emptied and then the gas with a pre-charged pressure value is punched is not needed for air supplementing, and the maintenance cost is reduced.

[0041] Further, one end of the tank body is provided with a gas nozzle 13, the gas nozzle 13 is in communication with the first cavity 11, and the air supplementing device 20 is connected with the gas nozzle 13, so that the air supplementing device 20 is in communication with the first cavity 11 of the expansion tank 100 through the gas nozzle 13, the air supplementing device 20 is simple and easy to communicate with the first cavity 11 of the expansion tank 100, and has strong operability and implementability.

[0042] Further, the air supplementing device 20 includes an air supplementing pipe 21 and an air supplementing machine 22, the air supplementing machine 22 is connected with the air supplementing pipe 21, the gas nozzle 13 is connected with the air supplementing pipe 21, a sealed environment is formed, compared with a separately closed gas nozzle, the risk of air entering the tank body 10 is further reduced, and the air supplementing device 20 is simple and easy to install.

[0043] In other embodiments, the first cavity 11 is provided with a pressure sensor 40, the pressure sensor 40 transmits the gas condition of the first cavity 11 to the display device 30, the pressure sensor 40 can accurately measure the pressure of the gas in the first cavity 11, and then the display device 30 displays the pressure of the gas in the first cavity 11, so that the leakage condition of the gas in the first cavity 11 can be monitored at any time.

[0044] Further, the expansion tank 100 further includes a controller 50, the controller 50 is connected with the pressure sensor 40 and the display device 30 respectively, the pressure sensor 40 transmits the gas condition of the first cavity 11 to the display device 30 through the controller 50, that is, the pressure sensor 40 detects the pressure signal and transmits the pressure signal to the controller 50, the controller 50 can output a display signal and display the display signal on the display device 30, so that the stability of the pressure signal transmission is realized.

[0045] Further, the controller 50 is connected with the air supplement device 20, the controller 50 transmits a control signal to the air supplement device 20, and the air supplement amount of the air supplement device 20 is controlled according to the control signal. Through the connection of the controller 50 and the air supplement device 30, the pressure sensor 40 transmits a pressure signal to the controller 50, and the controller 50 can output a control signal to the air supplement device 30. Before use, the user sets the pressure interval according to the use scene, when the gas pressure in the first chamber 11 is lower than the lower limit value of the pressure interval, the air supplement device 20 automatically supplements air to the first chamber 11, and the supplemented air enters the first chamber 11 from the air supplement device 20 through the air nozzle 13. When the pressure value of the first chamber 11 reaches the upper limit value of the pressure interval, the air supplement device 20 stops working, and the automatic air supplement process of the first chamber 11 of the expansion tank 100 is completed. That is to say, the automatic air supplement of the expansion tank 100 is more automated, and the air supplement precision of this embodiment is much higher than that of the adjusting assembly installed in the water side of the air supplement tank. That is to say, the pressure sensor 40 is arranged in the first chamber 11 of the expansion tank 100 to accurately grasp the gas amount in the first chamber 11, and the appropriate amount of air is automatically supplemented in time, which avoids the adverse effects of excessive or insufficient air supplement on the pipeline, and realizes not only more accurate air supplement of the expansion tank 100, but also reduces the cost of manual maintenance and reduces unreasonable energy consumption.

[0046] In some embodiments, the air nozzle 13 is detachably connected with the air supplement pipe 21, and the air supplement pipe 21 is detachably connected with the air supplement machine 22. When the reserved position of the expansion tank 100 is limited, the air supplement machine 22 and the air supplement pipe 21 can be detached, and when the display device 30 displays that the pressure in the first chamber 11 of the tank body 10 is too low, the air nozzle 13, the air supplement pipe 21 and the air supplement machine 22 are connected.

[0047] In some other embodiments, the tank body 10 comprises: the first shell and the barrier film 17 surrounding the first chamber 11, and the second shell 16 and the barrier film 17 surrounding the second chamber 12. Such an expansion tank 100 occupies less space, is more flexible to use, and is more widely applied.

[0048] Please continue to refer to Figure 3 , Figure 3The principle schematic diagram of the liquid cooling unit provided by the embodiment of the application is shown in the figure, and the embodiment of the application further provides a liquid cooling unit 1, which comprises a fluorine system and a water system, wherein the water system comprises a circulating water pump 200 and the expansion tank 100 in any of the above embodiments, and the circulating water pump 200 is connected with the expansion tank 100 through the interface 14. When the circulating water pump 200 is running, the water pressure and the water temperature will change constantly, at this time, the expansion tank 100 plays a buffering role, but long-term operation will cause the gas in the first cavity 11 of the expansion tank 100 to gradually leak, at this time, not only the expansion tank 100 can be automatically and accurately refilled with gas through the gas refilling device 20, but also the gas remaining amount and the gas pressure in the tank body 10 can be grasped through the display device 30, thereby reducing the operation and maintenance cost.

[0049] Further, the water system further comprises a heater, a water temperature sensor, a water pressure sensor, a liquid supplementing pump, a water supplementing tank and an exhaust valve.

[0050] It should be noted that:

[0051] (1) The connection mode of the expansion tank 100 and the gas refilling machine 22 is not limited to the form shown in the utility model, and any combination mode that can realize the connection of two containers to form a closed environment is covered in the utility model.

[0052] (2) The display device 30 is not limited to Figure 2 the form shown, and a pressure gauge can also be used, and the liquid cooling unit 1 can be cooperated to share the same visual interface, when the expansion tank 100 and the liquid cooling unit 1 share one display device 40, the display device 40 and the liquid cooling unit 1 are more systematic and integrated.

[0053] (3) The controller 50 can be placed alone or integrated into the controller of the liquid cooling unit 1.

[0054] Although the utility model discloses as above, the utility model is not limited to this. Any person skilled in the art, without departing from the spirit and scope of the utility model, can make various changes and modifications, therefore the protection scope of the utility model should be limited by the range defined in the claims.

Claims

1. A visualized auto-charging expansion tank (100) characterized by, include: The tank (10) includes a first cavity (11) and a second cavity (12). The first cavity (11) contains gas, and the second cavity (12) contains water; Gas replenishment device (20), the gas replenishment device (20) is located outside the tank (10) and communicates with the first cavity (11), and is used to replenish gas in time after gas leakage in the first cavity (11); Display device (30) is used to display the gas conditions inside the first cavity (11).

2. The expansion tank (100) according to claim 1, characterized in that The tank (10) is provided with an air nozzle (13) at one end. The air nozzle (13) is connected to the first cavity (11), and the air supply device (20) is connected to the air nozzle (13).

3. The expansion tank (100) according to claim 2, characterized in that The air replenishment device (20) includes an air replenishment pipe (21) and an air replenishment machine (22), the air replenishment machine (22) is connected to the air replenishment pipe (21), and the air nozzle (13) is connected to the air replenishment pipe (21).

4. The expansion tank (100) according to claim 1, characterized in that The first cavity (11) is equipped with a pressure sensor (40), which transmits the gas status of the first cavity (11) to the display device (30).

5. The expansion tank (100) according to claim 4, characterized in that It also includes a controller (50), which is connected to the pressure sensor (40) and the display device (30) respectively. The pressure sensor (40) transmits the gas status of the first cavity (11) to the display device (30) through the controller (50).

6. The expansion tank (100) according to claim 5, characterized in that The controller (50) is connected to the gas replenishment device (20). The controller (50) transmits control signals to the gas replenishment device (20) and controls the gas replenishment amount of the gas replenishment device (20) according to the control signals.

7. The expansion tank (100) according to claim 3, characterized in that The air nozzle (13) is detachably connected to the air supply pipe (21), and the air supply pipe (21) is detachably connected to the air supply machine (22).

8. The keg (100) of claim 1, wherein, The tank (10) includes: The first housing (15) and the partition (17) form the first cavity (11). The second housing (16) and the partition (17) form the second cavity (12).

9. A liquid cooling unit (1), characterized in that The liquid cooling unit (1) includes: Fluorine systems A water system comprising a circulating water pump (200) and an expansion tank (100) as claimed in any one of claims 1 to 8, wherein the circulating water pump (200) is connected to the expansion tank (100).

10. A liquid chiller unit (1) as claimed in claim 9, characterised in that, The display device (30) displays the parameters and specifications of the expansion tank (100) and the liquid cooling unit (1).