Novel liquid supplementing device

Abstract

The utility model relates to a novel liquid supplementing device which is connected to a closed system and comprises a vacuum pump assembly connected to the closed system, the vacuum pump assembly comprises a vacuum pump and a first electric ball valve, the first electric ball valve is arranged between the vacuum pump and the closed system, and the vacuum pump is used for vacuumizing the closed system; the liquid supplementing assembly is connected to the vacuum pump assembly and comprises a liquid storage tank, a liquid supplementing pump, a liquid supplementing ball valve and a second electric ball valve; one end of the liquid storage tank is connected with the vacuum pump, the liquid supplementing pump is connected to the closed system through the second electric ball valve, and the liquid supplementing ball valve is connected to the two ends of the liquid supplementing pump in parallel. The first pressure monitoring meter is arranged between the second electric ball valve and the closed system and is used for monitoring the pressure value of the closed system before liquid supplementation; the closed system, the vacuum pump assembly, the liquid supplementing assembly and the first pressure monitoring meter are connected through pipelines and pipe fittings to form a closed loop. By the adoption of the structure, rapid liquid supplementing of the closed system is achieved, the pipeline is simple and convenient, and the problems of air resistance or cavitation erosion and the like in the pipeline of the closed system are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fluid infusion devices, in particular to a novel fluid infusion device. Background Art

[0002] As the heat density of heating components in electrical equipment has increased exponentially, liquid cooling systems have become a cost-effective and efficient temperature control method. Commonly used liquid cooling systems are divided into two types: open and closed. Whether in terms of technical performance, environmental performance, or economic investment, closed systems are superior to open systems. However, the pipelines of existing and conventional closed systems are often very complicated, requiring local climbing up and down to avoid functional equipment or devices, causing air accumulation in the pipelines, which is difficult to quickly remove, resulting in local air blockage or cavitation, affecting the water flow conditions of the system pipelines (including flow and pressure), and even causing cavitation of the circulating pump, pipeline vibration, or local temporary overheating of the heating components.

[0003] Therefore, there is an urgent need to provide a novel fluid infusion device to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings and defects of the existing technology and provide a new type of fluid replenishment device, which realizes rapid fluid replenishment of a closed system, has a simple and convenient pipeline, and prevents problems such as air blockage or cavitation in the closed system pipeline.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A novel fluid infusion device, connected to a closed system, comprises:

[0007] a vacuum pump assembly connected to the closed system, the vacuum pump assembly comprising a vacuum pump and a first electric ball valve, the first electric ball valve being disposed between the vacuum pump and the closed system, the vacuum pump being used to evacuate the closed system;

[0008] A fluid replenishment assembly is connected to the vacuum pump assembly, comprising a fluid reservoir, a fluid replenishment pump, a fluid replenishment ball valve, and a second electric ball valve; one end of the fluid reservoir is connected to the vacuum pump, the fluid replenishment pump is connected to the closed system via the second electric ball valve, and the fluid replenishment ball valve is connected in parallel to both ends of the fluid replenishment pump;

[0009] The first pressure monitoring gauge is arranged between the second electric ball valve and the closed system, and is used to monitor the pressure value of the closed system before fluid replenishment; the closed system, vacuum pump assembly, fluid replenishment assembly and the first pressure monitoring gauge are all connected by pipes and fittings to form a closed loop.

[0010] Optionally, the novel fluid infusion device further includes a second pressure monitoring gauge, which is disposed between the closed system and the vacuum pump assembly.

[0011] Optionally, the new fluid infusion device includes a vacuum circuit, an atmospheric pressure fluid injection circuit and a positive pressure fluid infusion circuit; the vacuum circuit includes a vacuum pump, a first electric ball valve and a second pressure monitoring gauge, the atmospheric pressure fluid injection circuit includes a liquid storage tank, a second electric ball valve, a fluid infusion ball valve and a first pressure monitoring gauge, and the positive pressure fluid infusion circuit includes a liquid storage tank and a fluid infusion pump.

[0012] Optionally, a filter is provided between the liquid storage tank and the fluid infusion pump, and the filter is used to filter the medium.

[0013] Optionally, the positive pressure fluid infusion circuit further includes a check valve, which is arranged between the fluid infusion pump and the second electric ball valve.

[0014] Optionally, the novel fluid infusion device further includes a PLC control system, and the closed system, vacuum pump assembly, fluid infusion assembly, first pressure monitoring gauge and second pressure monitoring gauge are all electrically connected to the PLC control system.

[0015] Optionally, the liquid storage tank is semi-open, with a breathing valve and an overflow port provided on the top of the liquid storage tank, as well as a low liquid level switch and a liquid level meter for monitoring the liquid level.

[0016] Optionally, the fluid replenishing device is provided in a movable box-type configuration, and a storage box is provided inside, and the storage box is used to store pipelines, interfaces and seals.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] In the present invention, the novel fluid replenishing device is connected to the closed system, including a vacuum pump assembly, a fluid replenishing device and a first pressure monitoring gauge; the vacuum pump assembly is connected to the liquid cooling system, including a vacuum pump and a first electric ball valve, and the vacuum pump is used to evacuate the closed system so that the closed system is in a negative pressure state; the fluid replenishing assembly is connected to the vacuum pump assembly, including a liquid storage tank, a fluid replenishing pump, a fluid replenishing ball valve and a second electric ball valve, and the liquid storage tank is used to replenish the closed system, and the first pressure monitoring gauge is arranged between the second electric ball valve and the closed system. When When the display value of the first pressure monitoring gauge reaches the set negative pressure value, the first electric ball valve and the vacuum pump are closed, and the medium in the liquid storage tank enters the closed system for fluid replenishment under the action of atmospheric pressure. When the pressure inside and outside the closed system is consistent, the fluid replenishment ball valve is disconnected, and the fluid replenishment pump is started to continue to replenish fluid into the closed system until the closed system reaches a full liquid state, thereby completing the fluid replenishment of the closed system. Through the arrangement of the above components, rapid fluid replenishment of the closed system is achieved, the pipeline is simple and convenient, and problems such as air blockage or cavitation in the closed system pipeline are prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the present utility model.

[0020] The above drawings include the following reference numerals:

[0021] 1. First electric ball valve, 2. Liquid replenishment ball valve, 3. Second electric ball valve, 4. Check valve, 5. First pressure monitoring gauge, 6. Second pressure monitoring gauge, 7. Low liquid level switch. DETAILED DESCRIPTION

[0022] The present invention will be described in further detail below with reference to the embodiments and drawings, but the embodiments of the present invention are not limited thereto.

[0023] The technical solution of the utility model proposes a novel fluid replenishing device connected to a closed system.

[0024] Reference Figure 1 , in this embodiment, including:

[0025] A vacuum pump assembly is connected to the closed system. The vacuum pump assembly includes a vacuum pump and a first electric ball valve 1. The first electric ball valve 1 is provided between the vacuum pump and the closed system. The vacuum pump is used to evacuate the closed system.

[0026] The rehydration assembly is connected to the vacuum pump assembly. The rehydration assembly includes a liquid storage tank, a liquid rehydration pump, a liquid rehydration ball valve 2, and a second electric ball valve 3. One end of the liquid storage tank is connected to the vacuum pump, and the liquid rehydration pump is connected to the closed system through the second electric ball valve 3. The liquid rehydration ball valve 2 is connected in parallel to both ends of the liquid rehydration pump.

[0027] The first pressure monitoring gauge 5 is arranged between the second electric ball valve 3 and the closed system to monitor the pressure value of the closed system before fluid replenishment; the closed system, vacuum pump assembly, fluid replenishment assembly and the first pressure monitoring gauge 5 are all connected by pipe fittings to form a closed loop.

[0028] Optionally, in this embodiment, the new fluid replenishing device is connected to a closed system, and the closed system is used to perform heat exchange with external equipment. The new fluid replenishing device includes a vacuum pump assembly, a fluid replenishing device and a first pressure monitoring gauge 5; wherein the vacuum pump assembly is connected to the liquid cooling system, and the vacuum pump assembly includes a vacuum pump and a first electric ball valve 1, and the first electric ball valve 1 is arranged between the vacuum pump and the closed system. The vacuum pump is used to vacuum the closed system, and the first electric ball valve 1 is in a disconnected state. When the closed system needs to be replenished with fluid When the pressure is too low, the first electric ball valve 1 is closed, and the inlet of the vacuum pump evacuates the closed system, so that the closed system is in a negative pressure state; the liquid replenishing component is connected to the vacuum pump component, and the liquid replenishing component includes a liquid storage tank, a liquid replenishing pump, a liquid replenishing ball valve 2 and a second electric ball valve 3. The liquid storage tank is used to store the medium, and the liquid storage tank is connected to the vacuum pump. The liquid replenishing pump is connected to the closed system through the second electric ball valve 3. The liquid replenishing ball valve 2 is connected in parallel to both ends of the liquid replenishing pump. The liquid storage tank is used to replenish the closed system. The first pressure monitoring meter 5 is provided on the second electric ball valve 3. Between the closed system, that is, to monitor the pressure value before the closed system is replenished. When the display value of the first pressure monitoring meter 5 reaches the set negative pressure value, the first electric ball valve 1 and the vacuum pump are closed, the vacuum treatment of the closed system is stopped, the replenishment ball valve 2 and the second electric ball valve 3 are closed, and the medium in the liquid storage tank enters the closed system under the action of atmospheric pressure to replenish the closed system. The pressure in the system rises accordingly. When the pressure inside and outside the closed system is consistent, that is, when the closed system reaches the same pressure as the outside pressure, the atmospheric pressure can no longer The medium in the liquid storage tank is pressed into the closed system, the liquid replenishing ball valve 2 is disconnected, the liquid replenishing pump is started, and the closed system is continued to be replenished until the closed system reaches a full liquid state, and the second electric ball valve 3 is randomly closed to complete the liquid replenishment of the closed system. The closed system, vacuum pump assembly, liquid replenishing assembly and first pressure monitoring gauge 5 are all connected by pipe fittings to form a closed loop; through the arrangement of the above components, rapid liquid replenishment of the closed system is achieved, the pipeline is simple and convenient, and problems such as air blockage or cavitation in the closed system pipeline are prevented.

[0029] In this embodiment, the new fluid replenishment device also includes a second pressure monitoring gauge 6, which is arranged between the closed system and the vacuum pump assembly. The second pressure monitoring gauge 6 is used to monitor the pressure value in the closed system after fluid replenishment. When the pressure in the first pressure monitoring gauge 5 reaches the set negative pressure value, the electric ball valve and the vacuum pump are closed. Driven by atmospheric pressure, the liquid storage tank replenishes the closed system. When the display value of the second pressure monitoring gauge 6 is 0, the internal and external pressures of the closed system are consistent, the fluid replenishment ball valve 2 is disconnected, and the fluid replenishment pump is started. The fluid replenishment pump extracts the medium in the fluid storage tank and sends it to the closed system until the display value in the second pressure monitoring gauge 6 reaches the set positive pressure value. The second electric ball valve 3 and the fluid replenishment pump are closed to complete the fluid replenishment. Through the setting of the second pressure monitoring gauge 6, people can close the ball valve and the fluid replenishment pump in time, so that a certain static pressure value can be reached in the closed system.

[0030] In this embodiment, the new type of fluid replenishment device includes a vacuum circuit, an atmospheric pressure fluid injection circuit, and a positive pressure fluid replenishment circuit. The vacuum circuit includes a vacuum pump, a first electric ball valve 1, and a second pressure monitoring gauge 6, that is, when the vacuum circuit is started, it is used to vacuum the closed system; the atmospheric pressure fluid injection circuit includes a liquid storage tank, a second electric ball valve 3, a fluid replenishment ball valve 2, and a first pressure monitoring gauge 5, which replenish the closed system under the action of atmospheric pressure; the positive pressure fluid replenishment circuit includes a liquid storage tank and a fluid replenishment pump. When the positive pressure fluid replenishment circuit is started, the closed system is replenished by the fluid replenishment pump to reach the set positive pressure value. Furthermore, in this embodiment, a filter is also provided between the liquid storage tank and the fluid replenishment pump. Through the setting of the filter, the medium in the liquid storage tank is filtered to remove impurities therein.

[0031] In this embodiment, the positive pressure fluid infusion circuit also includes a check valve 4, which is set to allow only one-way flow of the medium to prevent backflow of the medium. The check valve 4 can regulate the pressure in the system to a certain extent, thereby maintaining the stability of the system pressure.

[0032] In this embodiment, the new fluid replenishment device also includes a PLC control system. The closed system, vacuum pump assembly, fluid replenishment assembly, first pressure monitoring gauge 5 and second pressure monitoring gauge 6 are all electrically connected to the PLC control system. Through the setting of the PLC control system, automatic control of fluid replenishment in the closed system is achieved, and manual intervention can also be performed. The PLC control system includes a PLC, a touch screen and low-voltage electrical components, etc., which can not only realize automatic fluid replenishment through a predetermined program, but also realize real-time monitoring and control of the fluid replenishment process through the touch screen.

[0033] In this embodiment, the liquid storage tank is semi-open, with a breathing valve and overflow port located on the top. It is also equipped with a low-liquid-level switch 7 and a level gauge for monitoring the liquid level. When the liquid level in the tank is detected to be too low, the tank is replenished. Furthermore, in this embodiment, the refilling device is configured as a movable box for easy movement. It also includes an internal storage compartment for piping, interfaces, and seals connected to the closed system.

[0034] The above-described embodiments merely represent implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A novel fluid infusion device, connected to a closed system, comprising: a vacuum pump assembly connected to the closed system, the vacuum pump assembly comprising a vacuum pump and a first electric ball valve, the first electric ball valve being disposed between the vacuum pump and the closed system, the vacuum pump being used to evacuate the closed system; A fluid replenishment assembly is connected to the vacuum pump assembly, comprising a fluid reservoir, a fluid replenishment pump, a fluid replenishment ball valve, and a second electric ball valve; one end of the fluid reservoir is connected to the vacuum pump, the fluid replenishment pump is connected to the closed system via the second electric ball valve, and the fluid replenishment ball valve is connected in parallel to both ends of the fluid replenishment pump; The first pressure monitoring gauge is arranged between the second electric ball valve and the closed system, and is used to monitor the pressure value of the closed system before fluid replenishment; the closed system, vacuum pump assembly, fluid replenishment assembly and the first pressure monitoring gauge are all connected by pipes and fittings to form a closed loop.

2. A novel fluid infusion device according to claim 1, characterized in that: The novel fluid infusion device further includes a second pressure monitoring gauge, which is arranged between the closed system and the vacuum pump assembly.

3. A novel fluid infusion device according to claim 2, characterized in that: The novel fluid infusion device includes a vacuum pump circuit, an atmospheric pressure fluid injection circuit and a positive pressure fluid infusion circuit; the vacuum pump circuit includes a vacuum pump, a first electric ball valve and a second pressure monitoring gauge, the atmospheric pressure fluid injection circuit includes a liquid storage tank, a second electric ball valve, a fluid infusion ball valve and a first pressure monitoring gauge, and the positive pressure fluid infusion circuit includes a liquid storage tank and a fluid infusion pump.

4. A novel fluid infusion device according to claim 1, characterized in that: A filter is further provided between the liquid storage tank and the fluid infusion pump, and the filter is used to filter the medium.

5. A novel fluid infusion device according to claim 3, characterized in that: The positive pressure fluid infusion circuit further includes a check valve, which is arranged between the fluid infusion pump and the second electric ball valve.

6. A novel fluid infusion device according to claim 3, characterized in that: The novel fluid infusion device further includes a PLC control system, and the closed system, vacuum pump assembly, fluid infusion assembly, first pressure monitoring gauge and second pressure monitoring gauge are all electrically connected to the PLC control system.

7. A novel fluid infusion device according to claim 1, characterized in that: The liquid storage tank is semi-open, with a breathing valve and an overflow port provided on the top of the liquid storage tank, as well as a low liquid level switch and a liquid level meter for monitoring the liquid level.

8. A novel fluid infusion device according to claim 1, characterized in that: The fluid replenishing device is arranged in a movable box-type, and a storage box is provided inside. The storage box is used to store pipelines, interfaces and sealing components.

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