Liquid leakage detection device for energy storage cabinet of liquid cooling system

Abstract

The utility model discloses a liquid leakage detection device for an energy storage cabinet of a liquid cooling system, which comprises a cabinet body, a cabinet door hinged to the cabinet body, a liquid cooling system connected in the cabinet body and a liquid leakage detection assembly connected in the cabinet body, the liquid leakage detection assembly comprises a mounting plate, the mounting plate is connected with a positioning plate through a telescopic rod, and the positioning plate is connected with an intermediate relay and a wiring terminal strip. A turntable is connected in the positioning plate, the turntable is connected with a rotating shaft, a guide toothed bar is inserted in the positioning plate, the guide toothed bar is connected with a water immersion electrode, the water immersion electrode is electrically connected with an intermediate relay, the intermediate relay is electrically connected with a wiring terminal strip, and the wiring terminal strip is electrically connected with a main contactor of a battery system of the liquid cooling system. The beneficial effects are that the installation efficiency is improved, the cost is greatly reduced, the installation and wiring are convenient, and the safety and reliability are higher.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid leakage detection devices, in particular to a liquid leakage detection device for an energy storage cabinet of a liquid cooling system. Background Art

[0002] like Figure 1 As shown, a dry contact water immersion sensor is configured inside the energy storage cabinet of the liquid cooling system, and then the conductive electrode of the water immersion is installed at the lowest point inside the energy storage cabinet, so that when there is liquid, the liquid will flow into the lowest point of the cabinet, and the leakage can be detected immediately; when there is leakage in the cabinet, the water immersion electrode is in a conductive state, triggering the water immersion sensor to send a signal, and the water immersion sensor is connected to the DI port of the PCB control board. According to the software logic program, after the DI port detects the dry contact signal of the water immersion sensor, the DO relay module of the PCB control board is triggered to disconnect the power supply of the main contactor coil of the battery system, so that the main contactor disconnects the high-voltage circuit of the battery system, thereby avoiding accidental damage to the entire battery system due to leakage.

[0003] The existing liquid cooling system energy storage cabinet leakage detection device has the following disadvantages:

[0004] (1) High configuration cost: It is necessary to configure water immersion sensors, PCB control boards and other devices;

[0005] (2) The wiring is relatively complicated: it is necessary to connect the wiring harness of each node of the water immersion sensor, the DI detection line, the power supply line of the control board and the corresponding DO module control line. In addition, the DO module control line also has staggered wiring;

[0006] (3) Software logic assistance is required: The entire detection trigger process also requires the writing of corresponding software logic assistance programs. Utility Model Content

[0007] In order to achieve the above purpose, the utility model adopts the following technical means:

[0008] A liquid cooling system energy storage cabinet leakage detection device comprises a cabinet body, an opening of the cabinet body is hinged with a cabinet door, a liquid cooling system is connected to the cabinet body, a leakage detection component is connected to the cabinet body, the leakage detection component comprises a mounting plate connected to the inner wall of the cabinet body, the mounting plate is connected to a positioning plate through a telescopic rod, the positioning plate is connected to an intermediate relay and a terminal block, a turntable is rotatably connected to the positioning plate, the turntable is connected to a rotating shaft arranged on the outer side of the positioning plate, a guide gear rod meshing with the turntable is inserted at the bottom of the positioning plate, the bottom of the guide gear rod is connected to a water immersion electrode through a connecting plate, the water immersion electrode is electrically connected to the intermediate relay, the intermediate relay is electrically connected to the terminal block, and the terminal block is electrically connected to a main contactor of a battery system of the liquid cooling system.

[0009] A further solution of the utility model is that a lifting lug is connected to the top of the cabinet.

[0010] A further solution of the utility model is that the mounting plate is an I-shaped structure.

[0011] A further solution of the utility model is that the mounting plate is connected to the inner wall of the cabinet through positioning wires.

[0012] A further solution of the utility model is that the telescopic rod is made of stainless steel.

[0013] A further solution of the utility model is that the fixed end of the telescopic rod is threadedly connected to the mounting plate, and the telescopic end of the telescopic rod is threadedly connected to the positioning plate.

[0014] A further solution of the utility model is that the positioning plate is provided with a slide groove, the slide groove is slidably connected with a positioning block, and the positioning block is movably engaged with the rotating shaft.

[0015] A further solution of the utility model is that the clamping block includes a clamping ring movably clamped with the rotating shaft, one side of the clamping ring is connected to a sliding rod, and the sliding rod is connected to a sliding block slidably connected to the sliding groove.

[0016] A further solution of the utility model is that the clamping ring, the sliding rod and the sliding block are made in one piece.

[0017] Beneficial effects of the utility model:

[0018] 1. The leakage detection assembly of the utility model is composed of a mounting plate, a telescopic rod, a positioning plate, an intermediate relay, a rotating shaft, a turntable, a guide gear rod, a connecting plate, a water immersion electrode, and a terminal block. The telescopic rod can facilitate the outward pulling of the positioning plate and the connection of the intermediate relay; the guide gear rod can be moved up and down by rotating the turntable to facilitate the positioning of the water immersion electrode; the terminal block can facilitate the connection of wires. The above-mentioned configuration makes the entire leakage detection device easy to install, effectively improving the installation efficiency.

[0019] 2. The utility model saves high configuration costs: it eliminates components such as the water immersion sensor device and the PCB control board, thus greatly reducing costs.

[0020] 3. The utility model eliminates the need for complex wiring circuits, making the circuit concise and clear, and the installation and wiring are more convenient.

[0021] 4. The utility model eliminates the need for complex software logic programs, avoids the occurrence of false detection caused by software bugs, and makes the safety and reliability higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1It is a structural schematic diagram of an existing liquid cooling system energy storage cabinet leakage detection device;

[0023] Figure 2 It is a structural schematic diagram of the utility model;

[0024] Figure 3 This is a structural schematic diagram of the liquid leakage detection component of the utility model;

[0025] Figure 4 This is a schematic diagram of the connection between the turntable and the guide gear rod of the utility model;

[0026] Figure 5 This is a structural schematic diagram of the positioning card block of the utility model;

[0027] Figure 6 It is the electrical connection schematic diagram of the utility model;

[0028] Reference numerals:

[0029] Cabinet body 1, lifting ear 2, cabinet door 3, liquid leakage detection component 4, liquid cooling system 5, mounting plate 401, positioning wire 402, telescopic rod 403, positioning plate 404, intermediate relay 405, slide groove 406, positioning block 407, rotating shaft 408, rotating disk 409, guide gear rod 410, connecting plate 411, immersion electrode 412, terminal block 413, clamping ring 4071, sliding rod 4072, sliding block 4073. DETAILED DESCRIPTION

[0030] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Example 1

[0034] like Figure 2-6 As shown, the utility model provides a liquid cooling system energy storage cabinet leakage detection device, including a cabinet 1, an opening of the cabinet 1 is hinged with a cabinet door 3, a liquid cooling system 5 is connected to the cabinet 1, a leakage detection component 4 is connected to the cabinet 1, and the leakage detection component 4 includes a mounting plate 401 connected to the inner wall of the cabinet 1, the mounting plate 401 is connected to a positioning plate 404 through a telescopic rod 403, the positioning plate 404 is connected to an intermediate relay 405 and a terminal block 413, and a rotation connection in the positioning plate 404 is provided. A turntable 409 is connected, and the turntable 409 is connected to a rotating shaft 408 arranged on the outside of the positioning plate 404. A guide gear rod 410 meshing with the turntable 409 is inserted at the bottom of the positioning plate 404. The bottom of the guide gear rod 410 is connected to a water immersion electrode 412 through a connecting plate 411. The water immersion electrode 412 is electrically connected to the intermediate relay 405, and the intermediate relay 405 is electrically connected to the terminal block 413. The terminal block 413 is electrically connected to the main contactor of the battery system of the liquid cooling system 5.

[0035] How it works

[0036] The solution eliminates the water immersion sensor and the PCB control board, and adds a low-voltage intermediate relay 405 with normally open and normally closed contacts. The power supply coil of the main contactor of the battery system of the liquid cooling system 5 is connected to the normally closed contact of the intermediate relay 405. When there is no leakage inside the cabinet 1, the main contactor coil circuit is in a flow state, and the battery system charges and discharges normally; when leakage occurs inside the cabinet 1, the water immersion electrode 412 forms a flow state, the coil of the intermediate relay 405 is energized, and the contact of the intermediate relay 405 changes from a normally closed state to a normally open state, the main contactor coil power supply circuit is disconnected, the main contactor is disconnected, and the battery system disconnects the main circuit.

[0037] Example 2

[0038] like Figure 2-6As shown, the utility model provides a liquid cooling system energy storage cabinet leakage detection device, including a cabinet 1, an opening of the cabinet 1 is hinged with a cabinet door 3, a liquid cooling system 5 is connected to the cabinet 1, a leakage detection component 4 is connected to the cabinet 1, and the leakage detection component 4 includes a mounting plate 401 connected to the inner wall of the cabinet 1, the mounting plate 401 is connected to a positioning plate 404 through a telescopic rod 403, the positioning plate 404 is connected to an intermediate relay 405 and a terminal block 413, and a rotation connection in the positioning plate 404 is provided. A turntable 409 is connected, and the turntable 409 is connected to a rotating shaft 408 arranged on the outside of the positioning plate 404. A guide gear rod 410 meshing with the turntable 409 is inserted at the bottom of the positioning plate 404. The bottom of the guide gear rod 410 is connected to a water immersion electrode 412 through a connecting plate 411. The water immersion electrode 412 is electrically connected to the intermediate relay 405, and the intermediate relay 405 is electrically connected to the terminal block 413. The terminal block 413 is electrically connected to the main contactor of the battery system of the liquid cooling system 5.

[0039] The top of the cabinet 1 is connected with a lifting lug 2. This arrangement can facilitate the lifting and transfer of the cabinet 1, and can effectively improve the moving efficiency and moving effect of the cabinet 1.

[0040] The mounting plate 401 is an I-shaped structure, which can facilitate the positioning and installation of the mounting plate 401 and effectively improve the stability of the mounting plate 401 after installation.

[0041] The mounting plate 401 is connected to the inner wall of the cabinet 1 through the positioning wire 402. This arrangement can facilitate the disassembly and installation of the mounting plate 401, and can effectively improve the working efficiency and working effect of the mounting plate 401.

[0042] The telescopic rod 403 is made of stainless steel. The stainless steel product has good hardness, and at the same time, also has good wear resistance and corrosion resistance. The telescopic rod 403 made of stainless steel has a long service life.

[0043] The fixed end of the telescopic rod 403 is threadedly connected to the mounting plate 401, and the telescopic end of the telescopic rod 403 is threadedly connected to the positioning plate 404. This arrangement can facilitate the positioning and installation of the telescopic rod 403, and can effectively improve the working efficiency and working effect of the telescopic rod 403.

[0044] Example 3

[0045] like Figure 2-6As shown, the utility model provides a liquid cooling system energy storage cabinet leakage detection device, including a cabinet 1, an opening of the cabinet 1 is hinged with a cabinet door 3, a liquid cooling system 5 is connected to the cabinet 1, a leakage detection component 4 is connected to the cabinet 1, and the leakage detection component 4 includes a mounting plate 401 connected to the inner wall of the cabinet 1, the mounting plate 401 is connected to a positioning plate 404 through a telescopic rod 403, the positioning plate 404 is connected to an intermediate relay 405 and a terminal block 413, and a rotation connection in the positioning plate 404 is provided. A turntable 409 is connected, and the turntable 409 is connected to a rotating shaft 408 arranged on the outside of the positioning plate 404. A guide gear rod 410 meshing with the turntable 409 is inserted at the bottom of the positioning plate 404. The bottom of the guide gear rod 410 is connected to a water immersion electrode 412 through a connecting plate 411. The water immersion electrode 412 is electrically connected to the intermediate relay 405, and the intermediate relay 405 is electrically connected to the terminal block 413. The terminal block 413 is electrically connected to the main contactor of the battery system of the liquid cooling system 5.

[0046] The positioning plate 404 is provided with a slide groove 406, and the slide groove 406 is slidably connected with a positioning block 407, and the positioning block 407 is movably engaged with the rotating shaft 408. This arrangement can prevent the rotating shaft 408 from rotating when not in use, and can effectively improve the working efficiency and working effect of the rotating shaft 408.

[0047] The clamping block 407 includes a clamping ring 4071 movably clamped with the rotating shaft 408, a sliding rod 4072 is connected to one side of the clamping ring 4071, and the sliding rod 4072 is connected to a slider 4073 slidably connected to the sliding groove 406. This arrangement can facilitate the movable clamping of the positioning clamping block 407, and can effectively improve the working efficiency and working effect of the positioning clamping block 407.

[0048] The clamping ring 4071, the slide bar 4072, and the slider 4073 are made in one piece. This arrangement can effectively improve the tightness between the clamping ring 4071, the slide bar 4072, and the slider 4073, and can effectively prevent the clamping ring 4071, the slide bar 4072, and the slider 4073 from breaking.

[0049] The examples given in the present invention are not limitations on the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here, and the obvious changes or modifications derived from them are still within the scope of protection of the present invention.

Claims

1. A liquid cooling system energy storage cabinet leakage detection device, comprising a cabinet body (1), an opening of the cabinet body (1) is hingedly connected with a cabinet door (3), and a liquid cooling system (5) is connected inside the cabinet body (1), characterized in that: The cabinet (1) is connected with a liquid leakage detection component (4), the liquid leakage detection component (4) comprising a mounting plate (401) connected to the inner wall of the cabinet (1), the mounting plate (401) being connected to a positioning plate (404) via a telescopic rod (403), the positioning plate (404) being connected to an intermediate relay (405) and a terminal block (413), a rotating disk (409) being rotatably connected to the positioning plate (404), and the rotating disk (409) being connected to a rotating device arranged on the outer side of the positioning plate (404). The bottom of the positioning plate (404) is plugged with a guide gear rod (410) meshing with the rotating disk (409), the bottom of the guide gear rod (410) is connected to a water immersion electrode (412) through a connecting plate (411), the water immersion electrode (412) is electrically connected to an intermediate relay (405), the intermediate relay (405) is electrically connected to a terminal block (413), and the terminal block (413) is electrically connected to a main contactor of a battery system of a liquid cooling system (5).

2. A liquid cooling system energy storage cabinet leakage detection device according to claim 1, characterized in that: The top of the cabinet (1) is connected with a lifting lug (2).

3. A liquid cooling system energy storage cabinet leakage detection device according to claim 1, characterized in that: The mounting plate (401) is an I-shaped structure.

4. A liquid cooling system energy storage cabinet leakage detection device according to claim 3, characterized in that: The mounting plate (401) is connected to the inner wall of the cabinet (1) via positioning wires (402).

5. The liquid cooling system energy storage cabinet leakage detection device according to claim 1, characterized in that: The telescopic rod (403) is made of stainless steel.

6. A liquid cooling system energy storage cabinet leakage detection device according to claim 5, characterized in that: The fixed end of the telescopic rod (403) is threadedly connected to the mounting plate (401), and the telescopic end of the telescopic rod (403) is threadedly connected to the positioning plate (404).

7. A liquid cooling system energy storage cabinet leakage detection device according to claim 1, characterized in that: The positioning plate (404) is provided with a sliding groove (406), the sliding groove (406) is slidably connected with a positioning block (407), and the positioning block (407) is movably engaged with a rotating shaft (408).

8. A liquid cooling system energy storage cabinet leakage detection device according to claim 7, characterized in that: The clamping block (407) comprises a clamping ring (4071) movably clamped with the rotating shaft (408), one side of the clamping ring (4071) is connected to a sliding rod (4072), and the sliding rod (4072) is connected to a sliding block (4073) slidably connected to the sliding groove (406).

9. A liquid cooling system energy storage cabinet leakage detection device according to claim 8, characterized in that: The clamping ring (4071), the sliding rod (4072) and the sliding block (4073) are made in one piece.

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