A coolant filling and purging device
By integrating the filling, purging, self-filling, and self-draining systems of the coolant filling and purging device, the problem of integrating filling and purging in liquid cooling equipment has been solved, achieving efficient and reliable coolant management and avoiding coolant backflow and component redundancy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEFEI SWAN REFRIGERATOR TECH CO LTD
- Filing Date
- 2025-04-23
- Publication Date
- 2026-06-09
AI Technical Summary
Existing liquid cooling equipment makes it difficult to integrate filling and purging into the same device, and there is a problem of coolant backflow into the air pump.
A coolant filling and purging device was designed, which integrates filling, purging, self-filling and self-draining systems. It adopts a manual valve and a self-sealing connector, and reduces the number of components and connecting pipelines by sharing pipeline connection devices. The manual valve is used instead of the solenoid valve to improve reliability, and the pipeline is flexibly connected by a winch.
It enables efficient and rapid filling and purging of coolant, reduces the number of components and connecting pipes, improves the reliability and versatility of the system, prevents coolant contamination, and simplifies the operation process.
Smart Images
Figure CN224340400U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of liquid cooling equipment, specifically a coolant filling and purging device. Background Technology
[0002] Liquid cooling equipment in specialized fields requires efficient and rapid filling and purging of coolant. Existing liquid cooling equipment is limited by space constraints, making it difficult to integrate filling and purging within the same unit. Furthermore, due to the limitations of existing liquid cooling equipment piping structures, even if an air pump is integrated as a purging device, there is still a problem of coolant backflow into the air pump during filling. Utility Model Content
[0003] This invention provides a coolant filling and purging device to solve the problem that existing liquid cooling equipment is difficult to integrate with a filling and purging device and is prone to coolant backflow.
[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0005] A coolant filling and purging device is used in a liquid cooling equipment. In the liquid cooling equipment, a coolant is supplied from a storage tank (1) to the cooling equipment via a filling system. The filling system includes a circulating pump (2), a manual valve A (3), a filter (4), and a self-sealing supply connector (5). The outlet of the storage tank (1) is connected to the inlet of the circulating pump (2) via a pipeline. The outlet of the circulating pump (2) is connected to the inlet of the manual valve A (3) via a pipeline. The outlet of the manual valve A (3) is connected to the inlet of the filter (4) via a pipeline. The outlet of the filter (4) is connected to the self-sealing supply connector (5) via a pipeline. The inlet of the sealing connector (5) is connected, and the outlet of the liquid supply self-sealing connector (5) is connected to the inlet of the cold liquid equipment. It also includes a purging system, which includes an air pump (7), a hand valve B (8), and a return liquid self-sealing connector (9). The outlet of the air pump (7) is connected to the inlet of the hand valve B (8) through a pipeline, and the outlet of the hand valve B (8) is connected to the inlet of the filter (4) through a pipeline. The inlet of the return liquid self-sealing connector (9) is connected to the outlet of the cold liquid equipment, and the outlet of the return liquid self-sealing connector (9) is connected to the return port of the liquid storage tank (1) through a pipeline.
[0006] Furthermore, the purging system also includes a hand valve C (10), the outlet of the self-sealing return connector (9) is connected to the inlet of the hand valve C (10) through a pipeline, and the outlet of the hand valve C (10) is connected to the return port of the storage tank (1) through a pipeline.
[0007] Furthermore, the purging system also includes a needle valve (11), the outlet of which is connected to the pipeline between the air pump (7) and the hand valve B (8) via a pipeline bypass.
[0008] Furthermore, it also includes a self-draining system, which includes a hand valve D (17), the inlet of which is connected to the drain port of the storage tank (1) through a pipeline.
[0009] Furthermore, it also includes a self-priming system, which includes a self-priming pump (14). The inlet of the self-priming pump (14) is connected to the coolant source through a pipeline, and the outlet of the self-priming pump (14) is connected to the replenishment port of the storage tank (1) through a pipeline.
[0010] Furthermore, the pipeline between the filter (4), the self-sealing connector (5), and the outlet pipeline of the self-sealing connector (9) are all partially wound around the same winch (18).
[0011] Compared with the prior art, the advantages of this utility model are:
[0012] 1) This utility model integrates filling, purging, self-injection and self-draining into one unit, which has the advantages of being convenient, fast and efficient.
[0013] 2) In this utility model, the filling and purging parts are shared, which reduces the number of components and connecting pipelines, resulting in a simple structure, low cost, and convenient universality.
[0014] 3) In this utility model, by making hand valve A normally open and hand valves B, C and D normally closed, the problem of coolant backflow to the air pump during filling can be solved, which improves the reliability of purging. Using hand valves is more reliable than solenoid valves.
[0015] 4) This utility model uses a self-sealing quick connector, which can conveniently, quickly and efficiently connect to the coolant equipment and has good sealing performance to prevent coolant contamination;
[0016] 5) This utility model uses a needle valve to increase the number of purging methods and enhance its versatility;
[0017] 6) The supply pipeline between the filter and the self-sealing connector, and the outlet pipeline of the self-sealing connector are long pipelines that can be coiled on a winch, which makes it easy to connect to the location required by the user and is easy to retract. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of an embodiment of this utility model. Detailed Implementation
[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0020] like Figure 1As shown, this embodiment discloses a coolant filling and purging device for liquid cooling equipment. In the liquid cooling equipment, coolant is output to the coolant equipment from the storage tank 1 through the filling system. The filling system includes a circulation pump 2, a hand valve A3, a filter 4, and a self-sealing connector 5. The hand valve A3 is normally open. A sight glass is installed on the storage tank 1. The outlet of the storage tank 1 is connected to the inlet of the circulation pump 2 through a pipeline. The outlet of the circulation pump 2 is connected to the inlet of the hand valve A3 through a pipeline. The outlet of the hand valve A3 is connected to the inlet of the filter 4 through a pipeline. The outlet of the filter 4 is connected to the inlet of the self-sealing connector 5 through a supply pipeline. The outlet of the self-sealing connector 5 is connected to the inlet of the coolant equipment.
[0021] This embodiment also includes a purging system, a self-draining system, and a self-injecting system, wherein:
[0022] The purging system includes an air pump 7, a hand valve B8, a self-sealing return connector 9, a hand valve C10, and a needle valve 11. Hand valves B8 and C10 are normally closed. The outlet of the air pump 7 is connected to the inlet of the hand valve B8 via a pipeline, and the outlet of the hand valve B8 is connected to the inlet of the filter 4 via a pipeline. The outlet of the needle valve 11 is connected to the pipeline between the outlet of the hand valve B8 and the inlet of the filter 4 via a bypass pipeline. The inlet of the self-sealing return connector 9 is connected to the outlet of the cold liquid equipment, and the outlet of the self-sealing return connector 9 is connected to the inlet of the hand valve C10 via the return pipeline. The outlet of the hand valve C10 is connected to the return port of the liquid storage tank 1 via a pipeline.
[0023] In this embodiment, the liquid supply pipeline between the filter 4 and the liquid supply self-sealing connector 5, and the liquid return pipeline between the outlet of the liquid return self-sealing connector 9 and the hand valve C10 are all long pipes, and the liquid supply pipeline and the liquid return pipeline are partially wound on the same winch 18.
[0024] The self-draining system includes a manual valve D17, which is normally closed. The inlet of the manual valve D17 is connected to the drain port of the storage tank 1 through a connecting pipe B16, and the manual valve D17 leads to the outside of the storage tank 1.
[0025] The self-priming system includes a priming rigid pipe 12, a flexible hose 13, a self-priming pump 14, and a connecting pipe A15. The inlet of the self-priming pump 14 is connected to the priming rigid pipe 12 via the flexible hose 13. The priming rigid pipe 12 is connected to a coolant source. The outlet of the self-priming pump 14 is connected to the replenishment port of the storage tank 1 via the connecting pipe A15. The circulation pump 2, the air pump 7, and the self-priming pump 14 are electrically connected to the controller.
[0026] The filling process in this embodiment is as follows: the self-sealing connector 5 is connected to the filling port of the coolant equipment, and the filling system (storage tank 1 → circulation pump 2 → A hand valve 3 → filter 4 → self-sealing connector 5 → coolant equipment, at which time A hand valve 3 is open by default and circulation pump 2 is working) mode is turned on to complete the coolant filling.
[0027] The purging process in this embodiment is as follows: the liquid supply self-sealing connector 5 is connected to the filling port of the coolant equipment, the liquid return self-sealing connector 9 is connected to the drain port of the coolant equipment, and the purging system is turned on (air pump 7 (or connected to nitrogen cylinder through needle valve 11) → B hand valve 8 → filter 4 → liquid supply self-sealing connector 5 → coolant equipment → liquid return self-sealing connector 9 → C hand valve 10 → storage tank 1. At this time, A hand valve 3 is closed, B hand valve 8 and C hand valve 10 are open, and air pump 7 is working) mode to complete the purging of coolant.
[0028] The self-filling process in this embodiment is as follows: the injection tube 12 is placed in the pre-prepared coolant, the self-filling system (tube 12 → hose 13 → self-priming pump 14 → A tube 15 → storage tank 1, the self-priming pump 14 works, and at the same time the liquid level in the storage tank 1 is visually observed through the sight glass) mode is turned on, and the storage tank 1 is automatically filled with coolant.
[0029] In this embodiment, the draining process is as follows: the drain valve D, the manual valve 17, is opened, and the coolant is drained from the storage tank 1 through the pipe B 16 and then through the manual valve 17.
[0030] The preferred embodiments of this utility model have been described in detail above with reference to the accompanying drawings. These embodiments are merely descriptions of preferred embodiments and are not intended to limit the concept and scope of this utility model. The various specific technical features described in the above embodiments can be combined in any suitable manner without contradiction. Such combinations, as long as they do not violate the spirit of this utility model, should also be considered as part of this disclosure. To avoid unnecessary repetition, this utility model will not further describe all possible combinations.
[0031] This utility model is not limited to the specific details of the above embodiments. Within the scope of the technical concept of this utility model and without departing from the design idea of this utility model, all modifications and improvements made by those skilled in the art to the technical solution of this utility model should fall within the protection scope of this utility model. The technical content for which protection is sought in this utility model has been fully recorded in the claims.
Claims
1. A coolant filling and purging device for use in liquid cooling equipment, wherein coolant is supplied to the cooling equipment from a storage tank (1) via a filling system, wherein the filling system includes a circulating pump (2), a hand valve A (3), a filter (4), and a self-sealing connector for supplying coolant (5), wherein the outlet of the storage tank (1) is connected to the inlet of the circulating pump (2) via a pipeline, the outlet of the circulating pump (2) is connected to the inlet of the hand valve A (3) via a pipeline, the outlet of the hand valve A (3) is connected to the inlet of the filter (4) via a pipeline, the outlet of the filter (4) is connected to the inlet of the self-sealing connector for supplying coolant (5) via a pipeline, and the outlet of the self-sealing connector for supplying coolant (5) is connected to the inlet of the cooling equipment, characterized in that, It also includes a purging system, which includes an air pump (7), a hand valve B (8), and a self-sealing return connector (9). The outlet of the air pump (7) is connected to the inlet of the hand valve B (8) through a pipeline, and the outlet of the hand valve B (8) is connected to the inlet of the filter (4) through a pipeline. The inlet of the self-sealing return connector (9) is connected to the outlet of the cold liquid equipment, and the outlet of the self-sealing return connector (9) is connected to the return port of the liquid storage tank (1) through a pipeline.
2. The coolant filling and purging device according to claim 1, characterized in that, The purging system also includes a hand valve C (10), the outlet of the return liquid self-sealing connector (9) is connected to the inlet of the hand valve C (10) through a pipeline, and the outlet of the hand valve C (10) is connected to the return liquid port of the storage tank (1) through a pipeline.
3. The coolant filling and purging device according to claim 1, characterized in that, The purging system also includes a needle valve (11), the outlet of which is connected to the pipeline between the air pump (7) and the hand valve B (8) via a pipeline bypass.
4. The coolant filling and purging device according to claim 1, characterized in that, It also includes a self-draining system, which includes a hand valve D (17). The inlet of the hand valve D (17) is connected to the drain port of the storage tank (1) through a pipeline.
5. A coolant filling and purging device according to claim 1, characterized in that, It also includes a self-priming system, which includes a self-priming pump (14). The inlet of the self-priming pump (14) is connected to the coolant source through a pipeline, and the outlet of the self-priming pump (14) is connected to the replenishment port of the storage tank (1) through a pipeline.
6. A coolant filling and purging device according to any one of claims 1-5, characterized in that, The pipeline between the filter (4), the self-sealing connector (5), and the outlet pipeline of the self-sealing connector (9) are all partially wound on the same winch (18).