Sealed integrated ball valve for energy storage industry

Abstract

The utility model discloses a sealed integrated ball valve for the energy storage industry, which comprises a ball valve main shell and a sealed connecting disc which are integrally formed, the sealed connecting disc is arranged at one end of the ball valve main shell, a sealed connecting groove is formed in one side of the sealed connecting disc, and a first sealing ring is arranged in the sealed connecting groove; the same side of the sealing connecting disc is fixedly connected with a first external thread connecting pipe, one end of the first external thread connecting pipe is fixedly connected with a second external thread connecting pipe, one end of the second external thread connecting pipe is fixedly connected with an external thread connector, and the outer wall of the second external thread connecting pipe is sleeved with a sealing nut in a threaded mode. According to the sealed integrated ball valve, liquid cooling pipeline connection is carried out through the integrated ball valve, the sealing performance of connection of the ball valve and the liquid cooling pipeline is guaranteed through cooperation of the first sealing ring and the second sealing ring, liquid leakage in the liquid cooling pipeline is avoided, the performance of a battery is prevented from being affected, and use safety of the battery is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of pipeline sealing and on / off control technology, and in particular to a sealing integrated ball valve for the energy storage industry. Background Technology

[0002] Among existing technologies, liquid-cooled energy storage systems are a relatively new energy storage technology used in the market, characterized by high temperature uniformity, high integration, high volumetric energy density, and ease of maintenance. Liquid-cooled energy storage systems use liquid cooling to dissipate heat from the battery system. Generally, liquid-cooled energy storage systems contain a large number of batteries and have a greater demand for heat dissipation, thus requiring a greater number of liquid cooling pipes and pipe joints.

[0003] A search revealed that Chinese patent application number 202322848220.7 discloses a liquid cooling pipeline for an energy storage system, including an inlet pipe and a distribution pipe. The distribution pipe is located at the outlet end of the inlet pipe and has multiple distribution cavities of equal volume connected to the inlet pipe. The end of the distribution pipe away from the inlet pipe has an outlet channel connected to the distribution cavities.

[0004] The aforementioned patent has the following shortcomings: The current pipeline sealing uses threads and thread sealant for curing. During transportation and stress, the sealant may crack, causing liquid leakage in the pipeline. This may reduce battery performance, lead to battery short circuits, and in severe cases, may even cause dangerous heat and fire. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of the existing technology and propose a sealed integrated ball valve for the energy storage industry.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A sealed integrated ball valve for the energy storage industry includes an integrally formed ball valve main body and a sealing connecting plate. The sealing connecting plate is disposed at one end of the ball valve main body, and a sealing connecting groove is formed on one side of the sealing connecting plate. A sealing ring is disposed inside the sealing connecting groove. On the same side of the sealing connecting plate where the sealing connecting groove is provided, an external threaded connecting pipe I, an external threaded connecting pipe II, and an external threaded connector are sequentially fixedly connected, and the orifice diameters of the external threaded connecting pipe I, the external threaded connecting pipe II, and the external threaded connector decrease sequentially.

[0008] The outer wall of the external threaded connecting pipe II is threaded with a sealing nut, and one end of the sealing nut is fixedly connected to a sealing pressure sleeve; the other end of the ball valve main body is provided with a limit sealing disc, and one side of the limit sealing disc is fixedly connected to an external threaded connecting pipe III, and the external threaded connecting pipe III is partially threaded and installed inside the ball valve main body.

[0009] As a further embodiment of this utility model: a sealing ring three is provided between the limiting sealing disc and the main body of the ball valve, and the external threaded connecting pipe three exposed outside the main body of the ball valve on the other side of the limiting sealing disc forms a fluid replenishment and drainage joint section.

[0010] As a further improvement of this utility model: an installation groove is provided on one side of the bottom of the sealing nut, and a sealing ring II is installed inside the installation groove.

[0011] As a further improvement of this utility model: a rotatable ball valve core is provided inside the main housing of the ball valve, and valve core mating seat one and valve core mating seat two are respectively provided on both sides of the ball valve core. The valve core mating seat one and valve core mating seat two are used to cooperate with the ball valve core to improve the sealing performance of the ball valve.

[0012] As a further improvement of this utility model: a connecting valve stem is fixedly installed at the top of the ball valve core, and a positioning connecting sleeve is sleeved on the outer wall of the connecting valve stem.

[0013] As a further embodiment of this utility model: a control valve stem is fixedly installed at the top of the connecting valve stem, and an electric actuator is provided on the outer wall of the control valve stem.

[0014] As a further embodiment of this utility model: the positioning connecting sleeve is fixedly connected to the top of the ball valve main body, and the electric actuator is fixedly installed on the outside of the positioning connecting sleeve and the control valve stem.

[0015] Compared with the prior art, this utility model provides a sealed integrated ball valve for the energy storage industry, which has the following advantages:

[0016] This sealed integrated ball valve connects to the liquid cooling pipeline. With the help of sealing ring one and sealing ring two, it ensures the sealing performance of the connection between the ball valve and the liquid cooling pipeline, preventing liquid leakage in the liquid cooling pipeline from affecting battery performance and ensuring the safety of battery use.

[0017] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the overall assembly of this utility model;

[0019] Figure 2 This is a partial cross-sectional view of the overall assembly of this utility model.

[0020] Figure 3 This is a schematic diagram of the working conditions of this utility model assembled with pipelines of different specifications.

[0021] In the diagram: 1. Ball valve main body; 2. Electric actuator; 3. Control valve stem; 4. Limit sealing disc; 5. Make-up / drainage connector section; 6. Sealing connection disc; 7. Sealing connection groove; 8. Sealing ring one; 9. External threaded connecting pipe one; 10. External threaded connecting pipe two; 11. External threaded connector; 12. Sealing nut; 13. Sealing sleeve; 14. Ball valve core; 15. Core mating seat one; 16. Core mating seat two; 17. Connecting valve stem; 18. Positioning connecting sleeve; 19. Sealing ring two; 20. External threaded connecting pipe three; 21. Sealing ring three; 22. Limiting protrusion ring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] A type of sealed integrated ball valve for the energy storage industry, such as Figures 1 to 3 As shown, the device includes an integrally formed ball valve main body 1 and a sealing connection plate 6. The ball valve main body 1 is equipped with a ball valve core 14. On both sides of the ball valve core 14, there are valve core mating seats 15 and 16 respectively. Both valve core mating seats 15 and 16 are fixedly installed inside the ball valve main body 1 and work in conjunction with the ball valve core 14. When the ball valve is closed, valve core mating seats 15 and 16 are used to ensure the sealing effect of the ball valve core 14.

[0024] A connecting valve stem 17 is fixedly installed at the top of the ball valve core 14. The top of the connecting valve stem 17 penetrates the top outer wall of the ball valve main body 1 and extends upward. A positioning connecting sleeve 18 is sleeved on the outer wall of its extension end. The positioning connecting sleeve 18 can be connected to the ball valve main body 1 by welding the positioning connecting sleeve 18 to the top of the ball valve main body 1, or by directly adopting an integral molding design.

[0025] A control valve stem 3 is fixedly installed at the top of the connecting valve stem 17. An electric actuator 2 is provided on the outer wall of the control valve stem 3, and the electric actuator 2 is fixedly installed on the outside of the positioning connecting sleeve 18.

[0026] The electric actuator 2 receives a control signal, drives the motor to rotate, and then drives the connecting valve stem 17 to rotate through a transmission mechanism (such as a gear, worm gear, or worm). The connecting valve stem 17 drives the ball valve core 14 to rotate around the axis of the connecting valve stem 17, thus blocking the medium passage inside the ball valve body.

[0027] Specifically, see Figure 2The diagram shows the connection between the ball valve core 14, the valve core mating seat 15, and the valve core mating seat 2 16. The two edges of the ball valve core 14 are arc-shaped and fit tightly with the adjacent valve core mating seats 15 and 2 16. Therefore, when the ball valve core 14 rotates, the valve core mating seats 15 and 2 16 will not hinder its rotation, and at the same time, they will ensure the sealing effect of the ball valve core 14.

[0028] The sealing connection plate 6 is located at one end of the ball valve main body 1, and the sealing connection plate 6 has an annular sealing connection groove 7 extending circumferentially along the side away from the electric actuator 2. The sealing connection groove 7 is provided with a sealing ring 8, which can be made of EPDM material, without any special limitation.

[0029] The sealing connecting disc 6, which has a sealing connecting groove 7, is also fixedly connected to an externally threaded connecting pipe 9 on one side. The outer wall of the externally threaded connecting pipe 9 is provided with a G1 / 2 thread. In practical applications, such as... Figure 3 As shown in a, when the external threaded connecting pipe 9 is connected to a liquid cooling pipeline with a larger inner diameter, a combination gasket and threaded seal are used.

[0030] In addition, an external threaded connecting pipe 2 10 is fixedly connected to the end of the external threaded connecting pipe 1 9 away from the sealing connecting plate 6. The outer wall of the external threaded connecting pipe 2 10 is provided with G1 / 2 thread, and the diameter of the external threaded connecting pipe 2 10 is smaller than that of the external threaded connecting pipe 1 9.

[0031] It should be explained that there is a spacer groove between the external threaded connecting pipe 19 and the external threaded connecting pipe 20. The two are not in direct contact. Furthermore, the end of the external threaded connecting pipe 20 away from the external threaded connecting pipe 19 is integrally formed with an external threaded connector 11. The diameter of the external threaded connector 11 is also smaller than that of the external threaded connecting pipe 20. There is also a spacer groove between the two, so they are not in direct contact, which facilitates the rapid connection of subsequent pipes.

[0032] In practical applications, such as Figure 3 As shown in b, the external threaded connecting pipe 10 can be directly connected to a liquid cooling pipeline with a suitable inner diameter, using a combination gasket and threaded seal.

[0033] In a preferred embodiment, a sealing nut 12 is threaded onto the outer wall of the externally threaded connecting pipe 10. A sealing sleeve 13 is fixedly connected to one end of the sealing nut 12. In actual use, after the sealing nut 12 is screwed onto the externally threaded connecting pipe 10, the sealing sleeve 13 is located on the side of the sealing nut 12 furthest from the externally threaded connecting pipe 9. Specifically, as shown... Figure 3As shown in c, when the integral ball valve is installed on a liquid cooling pipeline with a smaller inner diameter, the liquid cooling pipeline with a smaller inner diameter is connected to the external threaded connector 11, and at this time the sealing sleeve 13 is fitted onto the outer wall of the liquid cooling pipeline with a smaller inner diameter.

[0034] Accordingly, in this embodiment, three installation positions are shown: external threaded connecting pipe 1 9, external threaded connecting pipe 2 10, and external threaded connector 11. These positions can accommodate the connection of liquid cooling pipelines with various inner diameters, greatly improving the practical value of the ball valve. However, the specific number of connection positions is not limited in this embodiment, and more installation positions can be designed according to different usage requirements.

[0035] See Figure 2 and Figure 3 The sealing nut 12 has an installation groove on one side of its end, and a second sealing ring 19 is installed inside the installation groove. The second sealing ring 19 is made of the same material as the first sealing ring 8. After the second external threaded connecting pipe 10 is screwed in, the second sealing ring 19 can fit against the end of the first external threaded connecting pipe 9. The sealing sleeve 13 has a rubber gasket inside to improve the sealing performance of liquid cooling pipelines with smaller inner diameter specifications.

[0036] In a preferred embodiment, a limit sealing disc 4 is provided at the other end of the ball valve main housing 1 (on the side of the electric actuator 2 away from the external threaded connecting pipe 9, see details). Figure 1 The limiting sealing disc 4 is fixedly connected to an external threaded connecting pipe 20. The external threaded connecting pipe 20 is partially threaded and installed inside the main body 1 of the ball valve. Its extended end abuts against the side of the valve core mating seat 16 away from the ball valve core 14.

[0037] In a preferred embodiment, a sealing ring 21 is provided between the limiting sealing disc 4 and the main body of the ball valve 1, and the other side of the limiting sealing disc 4, that is, the exposed external threaded connecting pipe 20, forms a fluid replenishment and drainage joint section 5, and the outer wall of the fluid replenishment and drainage joint section 5 is integrally formed with a limiting protrusion ring 22.

[0038] Based on the above description, the specific working principle of the sealed integrated ball valve for the energy storage industry proposed in this application embodiment is as follows: Please refer to... Figures 1 to 3 Assemble the device as shown in the figure;

[0039] According to the specifications of the liquid cooling pipeline, select the installation position of the liquid cooling pipeline (connect the liquid cooling pipeline to one of the following: external threaded connecting pipe 19, external threaded connecting pipe 210, or external threaded connector 11), and install the ball valve in the manner described above. After the ball valve is installed, send a command to the electric actuator 2 remotely via the cloud. The electric actuator 2 controls the rotation of the ball valve core 14 by controlling the valve stem 3 and connecting valve stem 17, thereby changing the on / off state of the ball valve and adjusting the circulation speed of the coolant in the liquid cooling pipeline.

[0040] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A sealed integrated ball valve for energy storage industry, comprising an integrated ball valve main shell (1) and a sealing connecting disc (6), characterized in that: The sealing connecting disc (6) is arranged at one end of the ball valve main shell (1), and a sealing connecting groove (7) is arranged on one side of the sealing connecting disc (6), and a sealing ring I (8) is arranged in the sealing connecting groove (7); the outer threaded connecting pipe I (9), the outer threaded connecting pipe II (10) and the outer threaded connecting head (11) are sequentially fixed and connected on the same side of the sealing connecting disc (6) provided with the sealing connecting groove (7), and the hole diameters of the outer threaded connecting pipe I (9), the outer threaded connecting pipe II (10) and the outer threaded connecting head (11) are sequentially reduced; The outer wall of the outer threaded connecting pipe II (10) is threadedly sleeved with a sealing nut (12), one end of the sealing nut (12) is fixedly connected with a sealing pressing sleeve (13); the other end of the ball valve main shell (1) is provided with a limiting sealing disc (4), one side of the limiting sealing disc (4) is fixedly connected with an outer threaded connecting pipe III (20), and the outer threaded connecting pipe III (20) is partially threadedly installed in the ball valve main shell (1).

2. The sealed integrated ball valve for energy storage industry of claim 1, wherein: The limiting sealing disc (4) and the ball valve main shell (1) are provided with a sealing ring III (21), and the outer threaded connecting pipe III (20) located on the other side of the limiting sealing disc (4) and exposed outside the ball valve main shell (1) forms a liquid supplementing and discharging joint segment (5).

3. The sealed integrated ball valve for energy storage industry of claim 1, wherein: A mounting groove is formed on one side of the bottom of the sealing nut (12), and a sealing ring II (19) is mounted in the mounting groove.

4. The sealed integrated ball valve for energy storage industry of claim 1, wherein: The ball valve main shell (1) is provided with a rotatable ball valve spool (14) inside, and the ball valve spool (14) is provided with a spool matching seat I (15) and a spool matching seat II (16) on both sides, respectively, which are used to cooperate with the ball valve spool (14) to work, so as to improve the sealing performance of the ball valve.

5. The sealed integrated ball valve for energy storage industry according to claim 4, characterized in that: The top end of the ball valve spool (14) is fixedly installed with a connecting valve rod (17), and the outer wall of the connecting valve rod (17) is sleeved with a positioning connecting clamp cylinder (18).

6. The sealed integrated ball valve for energy storage industry according to claim 5, characterized in that: The top end of the connecting valve rod (17) is fixedly installed with a control valve rod (3), and the outer wall of the control valve rod (3) is provided with an electric actuator (2).

7. The sealed integrated ball valve for energy storage industry of claim 6, wherein: The positioning connecting clamp cylinder (18) is fixedly connected to the top end of the ball valve main shell (1), and the electric actuator (2) is fixedly installed outside the positioning connecting clamp cylinder (18) and the control valve rod (3).

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