Flow battery testing system

Abstract

The utility model relates to the technical field of galvanic pile equipment, in particular to a flow battery testing system which comprises a frame and a top plate, the top plate is fixedly connected to the upper surface of the frame, a lifting mechanism is arranged in the frame, a shell is arranged above the top plate, a bearing plate is fixedly connected to the interior of the shell, and the bearing plate is fixedly connected to the top plate. The upper surface of the bearing plate is fixedly connected with a liquid tank, the liquid tank is fixedly connected with one end of a first pipeline, and the other end of the first pipeline is fixedly connected with a second connecting pipe above the first pipeline. When a cylinder is pulled leftwards, the cylinder drives a wedge-shaped block to move, the wedge-shaped block compresses a first spring, the wedge-shaped block loses extrusion on a ball, a connector at the end of a second connecting pipe is inserted into a round pipe, the second connecting pipe is attached to the round pipe, the cylinder is loosened, and the first spring drives the wedge-shaped block to move reversely under the elastic effect. And the wedge-shaped block extrudes the ball body, the ball body is clamped into a groove formed in the connector, and the connector is fixedly connected into the circular pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of battery stack equipment, in particular to a liquid flow battery testing system. Background Art

[0002] Liquid flow batteries store electrical energy from the grid and output it to the user, so their stability, safety, power conversion rate and storage capacity have become the direction of continuous research and development by various battery manufacturers.

[0003] For example, a liquid flow battery test device with patent number CN220231931U includes a shell and a test body, the test body includes a test stack and multiple liquid circuit components, the test stack has multiple liquid flow paths, the outer surface of the shell is provided with a bearing surface, the test stack is arranged on the bearing surface, and the multiple liquid circuit components are arranged in the shell and are cyclically connected with the multiple liquid flow paths in a one-to-one correspondence. The above document still has shortcomings. When in use, by using a miniaturized liquid flow battery test device to replace the actual liquid flow battery for relevant tests, the test results equivalent to the test results of the actual liquid flow battery can be achieved, which can effectively reduce the difficulty of the test. However, when the liquid flow battery test system in the above document is in use, it is necessary to connect the liquid circuit component to the liquid inlet pipe or the liquid outlet pipe. When connecting, the traditional method is to connect by flange. When connecting, more bolts need to be screwed, and the operation is more troublesome. It is not convenient to realize the connection of the pipeline between the liquid tank and the test stack. At the same time, the height of the liquid flow battery test system in the above document is fixed, and the height and operating habits of different staff members are different. It is not convenient to adjust the height of the liquid flow battery test system according to actual use needs. Utility Model Content

[0004] The utility model aims to solve the problem that it is inconvenient to connect the pipeline between the liquid tank and the test battery stack, and proposes a liquid flow battery test system.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A liquid flow battery testing system is designed, including a frame and a top plate, wherein the top plate is fixedly connected to the upper surface of the frame, a lifting mechanism is arranged inside the frame, a shell is arranged above the top plate, a carrying plate is fixedly connected to the inside of the shell, a liquid tank is fixedly connected to the upper surface of the carrying plate, the liquid tank is fixedly connected to one end of a first pipeline, the other end of the first pipeline is fixedly connected to a second connecting pipe above, a connecting mechanism is arranged on the left side of the second connecting pipe, the liquid tank is connected to the input end of a liquid pump, and the liquid pump is fixedly connected to the upper surface of the carrying plate.

[0007] Preferably, the connecting mechanism includes a connecting head, which is fixedly connected to the end of the second connecting tube, and a circular tube is gap-fitted in the outer wall of the connecting head. A first spring is sleeved on the outer wall of the circular tube, one end of the first spring is fixedly connected to the circular tube, and the other end of the first spring is fixedly connected to a wedge block, and the wedge block is fixedly connected to the inner wall of the cylinder, and the cylinder is slidingly connected to the outer wall of the circular tube, the outer wall of the wedge block fits with a sphere, and the sphere is movably connected to the inside of the circular tube, and the sphere is clamped in a groove arranged in the connecting head.

[0008] Preferably, the lifting mechanism includes a motor, the motor is fixedly connected to the outer wall of the frame, the output shaft of the motor is fixedly connected to a worm, the outer walls at both ends of the worm are rotatably connected to the frame through bearings, the worm is meshed and connected to two worm wheels, the two worm wheels are rotatably connected to the frame through bearings, a first support rod is fixedly connected to the surface of the worm wheel, the end of the first support rod is rotatably connected to the second support rod through a pin shaft, the end of the second support rod is rotatably connected to the third support rod through a pin shaft, the outer walls of the two third support rods are slidably connected to the top plate, the upper ends of the two third support rods are fixedly connected to the shell, the outer wall of the third support rod is sleeved with a second spring, and the two ends of the second spring are respectively fixedly connected to the top plate and the shell.

[0009] Preferably, the output end of the liquid pump is fixedly connected to a second pipeline, and the end of the second pipeline is fixedly connected to a second connecting pipe below.

[0010] Preferably, a test stack is placed on the upper surface of the shell, and a liquid inlet pipe and a liquid outlet pipe are provided on the right side of the test stack.

[0011] Preferably, the ends of the liquid inlet pipe and the liquid outlet pipe are both fixedly connected with a first connecting pipe, and the end of the first connecting pipe is fixedly connected to the circular pipe.

[0012] The utility model proposes a liquid flow battery testing system, which has the following beneficial effects: through the cooperation among the connecting head, the circular tube, the first spring, the wedge block, the barrel and the sphere, the cylinder is pulled to the left, the cylinder drives the wedge block to move, the wedge block compresses the first spring, the wedge block loses the squeezing of the sphere, the connecting head at the end of the second connecting tube is inserted into the interior of the circular tube, the second connecting tube fits with the circular tube, the cylinder is loosened, the first spring drives the wedge block to move in the opposite direction under the elastic action, the wedge block squeezes the sphere, the sphere is stuck in the groove provided inside the connecting head, the connecting head is fixedly connected to the interior of the circular tube, the connection between the first connecting tube and the second connecting tube is realized, and then the connection of the pipeline between the test stack and the liquid tank is realized, the two liquid inlet pipes and the liquid outlet pipes are connected to the liquid tank using the same method, the operation is relatively simple, and it is convenient to realize the connection of the pipeline between the liquid tank and the test stack.

[0013] Through the cooperation between the motor, the worm, the worm wheel, the first support rod, the second support rod, the third support rod and the second spring, the motor drives the worm to rotate, the worm drives the two worm wheels to rotate, the worm wheels drive the first support rod to rotate, the first support rod drives the second support rod to move, the second support rod drives the third support rod to slide, the two third support rods drive the shell to move, the height of the shell changes, and the motor is turned off after adjusting to the required height, so that the height of the liquid flow battery test system can be adjusted according to actual usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a structural sectional view of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the connection between the shell, the bearing plate and the liquid tank in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the connection between the motor, the worm and the worm wheel in the utility model;

[0018] Figure 5 It is a structural schematic diagram of the connection between the test battery stack, the liquid inlet pipe and the liquid outlet pipe in the utility model;

[0019] Figure 6 It is a structural schematic diagram of the connection between the connector, the round tube and the cylinder in the utility model.

[0020] In the figure: 1. frame, 2. first connecting pipe, 3. connecting mechanism, 301. connecting head, 302. round pipe, 303. first spring, 304. wedge block, 305. cylinder, 306. sphere, 3a1. rubber pad, 4. lifting mechanism, 401. motor, 402. worm, 403. worm wheel, 404. first support rod, 405. second support rod, 406. third support rod, 407. second spring, 5. top plate, 6. shell, 7. bearing plate, 8. liquid tank, 9. first pipeline, 10. second connecting pipe, 11. liquid pump, 12. second pipeline, 13. test stack, 14. liquid inlet pipe, 15. liquid outlet pipe. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] Embodiment 1:

[0023] See attached Figure 1-6: In the present embodiment, a liquid flow battery test system includes a frame 1 and a top plate 5, the top plate 5 is fixedly connected to the upper surface of the frame 1, a lifting mechanism 4 is arranged inside the frame 1, and the lifting mechanism 4 adjusts the height of the liquid flow battery test system, a shell 6 is arranged above the top plate 5, a bearing plate 7 is fixedly connected inside the shell 6, a liquid tank 8 is fixedly connected to the upper surface of the bearing plate 7, the liquid tank 8 is fixedly connected to one end of a first pipe 9, the liquid tank 8 is connected to the first pipe 9, the other end of the first pipe 9 is fixedly connected to the second connecting pipe 10 above, the first pipe 9 is connected to the second connecting pipe 10 at the upper end, and a connecting mechanism 3 is arranged on the left side of the second connecting pipe 10, and the connecting mechanism 3 realizes a quick connection between the first connecting pipe 2 and the second connecting pipe 10;

[0024] The liquid tank 8 is connected to the input end of the liquid pump 11, the liquid pump 11 is fixedly connected to the upper surface of the supporting plate 7, the output end of the liquid pump 11 is fixedly connected to the second pipe 12, the liquid pump 11 is connected to the second pipe 12, the end of the second pipe 12 is fixedly connected to the second connecting pipe 10 below, the second pipe 12 is connected to the second connecting pipe 10 below, a test stack 13 is placed on the upper surface of the shell 6, the test stack 13 is the liquid flow battery to be tested, and an inlet pipe 14 and a liquid outlet pipe 15 are arranged on the right side of the test stack 13, two of each of the inlet pipe 14 and the outlet pipe 15 are arranged, the ends of the inlet pipe 14 and the outlet pipe 15 are fixedly connected to the first connecting pipe 2, the inlet pipe 14 and the outlet pipe 15 are respectively connected to the corresponding first connecting pipe 3, the end of the first connecting pipe 2 is fixedly connected to the circular pipe 302, and the first connecting pipe 2 is connected to the circular pipe 302.

[0025] The connecting mechanism 3 includes a connecting head 301, a round tube 302, a first spring 303, a wedge block 304, a barrel 305 and a sphere 306. The connecting head 301 is fixedly connected to the end of the second connecting tube 10. The outer wall gap of the connecting head 301 is matched with the round tube 302. The connecting head 301 can be inserted into the inside of the round tube 302. The outer wall of the round tube 302 is sleeved with the first spring 303. One end of the first spring 303 is fixedly connected to the round tube 302. The other end of the first spring 303 is fixedly connected to the wedge block 304. The first spring 303 can drive the wedge block 304 to move under the action of elasticity.

[0026] The wedge block 304 is fixed to the inner wall of the cylinder 305. The wedge block 304 and the cylinder 305 move together. The cylinder 305 is slidably connected to the outer wall of the circular tube 302. The cylinder 305 slides on the outer wall of the circular tube 302. The outer wall of the wedge block 304 fits the sphere 306. The wedge block 304 drives the sphere 306 to move. The sphere 306 is movably connected to the inside of the circular tube 302. The sphere 306 moves inside the circular tube 302 and will not separate from the circular tube 302. The sphere 306 is clamped with the groove provided in the connector 301. The sphere 306 fixes the position of the connector 301 through the groove provided in the connector 301.

[0027] Pull the cylinder 305 to the left, the cylinder 305 drives the wedge block 304 to move, the wedge block 304 compresses the first spring 303, the wedge block 304 loses the squeeze on the ball 306, and the connecting head 301 at the end of the second connecting tube 10 is inserted into the interior of the circular tube 302, the second connecting tube 10 fits with the circular tube 302, and the cylinder 305 is released. The first spring 303 drives the wedge block 304 to move in the opposite direction under the elastic action, the wedge block 304 squeezes the ball 306, and the ball 306 is stuck in the groove set inside the connecting head 301, and the connecting head 301 is fixed to the interior of the circular tube 302, so as to realize the connection between the first connecting tube 2 and the second connecting tube 10, and then realize the connection of the pipeline between the test battery stack 13 and the liquid tank 8, and use the same method to connect the two liquid inlet pipes 14 and the liquid outlet pipe 15 to the liquid tank 8. The operation is relatively simple, which is convenient for realizing the connection of the pipeline between the liquid tank 8 and the test battery stack 13.

[0028] The lifting mechanism 4 includes a motor 401, a worm 402, a worm wheel 403, a first support rod 404, a second support rod 405, a third support rod 406 and a second spring 407. The motor 401 is fixedly connected to the outer wall of the frame 1. The output shaft of the motor 401 is fixedly connected to the worm 402. The motor 401 drives the worm 402 to rotate. The outer walls at both ends of the worm 402 are rotatably connected to the frame 1 through bearings. The worm 402 is meshed and connected with two worm wheels 403. The worm 402 drives the two worm wheels 403 to rotate. The two worm wheels 403 are rotatably connected to the frame 1 through bearings. The surface of the worm wheel 403 is fixedly connected to the first support rod 404. The worm wheel 403 drives the first support rod 404 to rotate. The end of the first support rod 404 is rotatably connected to the second support rod 405 through a pin shaft. The first support rod 404 drives the second support rod 405 to move.

[0029] The end of the second support rod 405 is rotatably connected to the third support rod 406 through a pin shaft, and the second support rod 405 drives the third support rod 406 to slide. The outer walls of the two third support rods 406 are slidably connected to the top plate 5, and the upper ends of the two third support rods 406 are fixedly connected to the shell 6. The two third support rods 406 drive the shell 6 to move. The outer wall of the third support rod 406 is sleeved with a second spring 407, and the two ends of the second spring 407 are respectively fixedly connected to the top plate 5 and the shell 6. The second spring 407 can assist the shell 6 to move upward under the action of elasticity. The model of the spring is selected according to actual use requirements to meet the work needs;

[0030] The motor 401 drives the worm 402 to rotate, the worm 402 drives the two worm wheels 403 to rotate, the worm wheels 403 drive the first support rod 404 to rotate, the first support rod 404 drives the second support rod 405 to move, the second support rod 405 drives the third support rod 406 to slide, the two third support rods 406 drive the shell 6 to move, the height of the shell 6 changes, and the motor 401 is turned off after adjusting to the required height, so as to facilitate the height adjustment of the liquid flow battery testing system according to actual usage requirements.

[0031] Working principle:

[0032] When testing the test stack 13;

[0033] Adjusting the Altitude Stage of a Flow Battery Testing System:

[0034] Start the motor 401, the motor 401 drives the worm 402 to rotate, the worm 402 drives the two worm wheels 403 to rotate, the worm wheels 403 drive the first support rod 404 to rotate, the first support rod 404 drives the second support rod 405 to move, the second support rod 405 drives the third support rod 406 to slide, the two third support rods 406 drive the housing 6 to move, the height of the housing 6 changes, and the motor 401 is turned off after adjusting to the required height, so as to facilitate the height adjustment of the flow battery test system according to actual use requirements;

[0035] Fast connection stage:

[0036] Place the test stack 13 on the upper left side of the housing 6, pull the cylinder 305 to the left, the cylinder 305 drives the wedge block 304 to move, the wedge block 304 compresses the first spring 303, the wedge block 304 loses the squeeze on the ball 306, insert the connector 301 at the end of the second connecting tube 10 into the inside of the circular tube 302, the second connecting tube 10 fits with the circular tube 302, release the cylinder 305, the first spring 303 drives the wedge block 304 to move in the opposite direction under the elastic action, and the wedge block 304 squeezes the ball 306;

[0037] The sphere 306 is inserted into the groove set inside the connecting head 301, and the connecting head 301 is fixedly connected to the inside of the circular tube 302, so as to realize the connection between the first connecting tube 2 and the second connecting tube 10, and then realize the connection of the pipeline between the test battery stack 13 and the liquid tank 8. The same method is used to connect the two liquid inlet pipes 14 and the liquid outlet pipe 15 to the liquid tank 8. The operation is relatively simple, and it is convenient to realize the connection of the pipeline between the liquid tank 8 and the test battery stack 13, and test the test battery stack 13. The specific testing principle is the same as that in a liquid flow battery testing device with patent number CN220231931U, and the liquid flow battery test is completed.

[0038] Embodiment 2:

[0039] See attached Figure 1-6: In this embodiment, a flow battery testing system, the connection mechanism 3 also includes a rubber pad 3a1, the rubber pad 3a1 is fixedly connected to the end of the second connecting tube 10, the rubber pad 3a1 increases the sealing of the connection between the second connecting tube 10 and the round tube 302, and the rubber pad 3a1 is fixedly connected to the outer wall of the connecting head 301;

[0040] Due to the effect of the rubber pad 3a1 , when the second connecting pipe 10 is connected to the cylinder 302 , the second connecting pipe 10 contacts the cylinder 302 through the rubber pad 3a1 , and the rubber pad 3a1 increases the sealing performance of the connection between the second connecting pipe 10 and the cylinder 302 .

[0041] Working principle:

[0042] When the second connecting pipe 10 is connected to the cylinder 302 , the second connecting pipe 10 contacts the cylinder 302 through the rubber pad 3 a 1 , and the rubber pad 3 a 1 increases the sealing performance of the connection between the second connecting pipe 10 and the cylinder 302 .

[0043] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A flow battery testing system, comprising a frame (1) and a top plate (5), wherein the top plate (5) is fixedly connected to the upper surface of the frame (1), characterized in that: A lifting mechanism (4) is arranged inside the frame (1); a shell (6) is arranged above the top plate (5); a carrying plate (7) is fixedly connected inside the shell (6); a liquid tank (8) is fixedly connected to the upper surface of the carrying plate (7); the liquid tank (8) is fixedly connected to one end of a first pipe (9); the other end of the first pipe (9) is fixedly connected to a second connecting pipe (10) above; a connecting mechanism (3) is arranged on the left side of the second connecting pipe (10); the liquid tank (8) is connected to the input end of a liquid pump (11); and the liquid pump (11) is fixedly connected to the upper surface of the carrying plate (7).

2. A flow battery testing system according to claim 1, characterized in that: The connecting mechanism (3) comprises a connecting head (301), the connecting head (301) is fixedly connected to the end of the second connecting tube (10), the outer wall of the connecting head (301) is gap-matched with a circular tube (302), the outer wall of the circular tube (302) is sleeved with a first spring (303), one end of the first spring (303) is fixedly connected to the circular tube (302), the other end of the first spring (303) is fixedly connected to a wedge block (304), the wedge block (304) is fixedly connected to the inner wall of a cylinder (305), the cylinder (305) is slidably connected to the outer wall of the circular tube (302), the outer wall of the wedge block (304) is fitted with a sphere (306), the sphere (306) is movably connected to the inside of the circular tube (302), and the sphere (306) is clamped with a groove arranged in the connecting head (301).

3. A flow battery testing system according to claim 1, characterized in that: The lifting mechanism (4) comprises a motor (401), the motor (401) is fixedly connected to the outer wall of the frame (1), the output shaft of the motor (401) is fixedly connected to a worm (402), the outer walls of both ends of the worm (402) are rotatably connected to the frame (1) via bearings, the worm (402) is meshedly connected to two worm wheels (403), the two worm wheels (403) are rotatably connected to the frame (1) via bearings, the surface of the worm wheel (403) is fixedly connected to a first support rod (404), the first support rod The end of the second support rod (404) is rotatably connected to a second support rod (405) via a pin shaft, and the end of the second support rod (405) is rotatably connected to a third support rod (406) via a pin shaft. The outer walls of the two third support rods (406) are slidably connected to the top plate (5), and the upper ends of the two third support rods (406) are fixedly connected to the shell (6). The outer wall of the third support rod (406) is sleeved with a second spring (407), and the two ends of the second spring (407) are respectively fixedly connected to the top plate (5) and the shell (6).

4. A flow battery testing system according to claim 1, characterized in that: The output end of the liquid pump (11) is fixedly connected to a second pipeline (12), and the end of the second pipeline (12) is fixedly connected to a second connecting pipe (10) below.

5. A flow battery testing system according to claim 1, characterized in that: A test cell stack (13) is placed on the upper surface of the shell (6), and a liquid inlet pipe (14) and a liquid outlet pipe (15) are arranged on the right side of the test cell stack (13).

6. A flow battery testing system according to claim 5, characterized in that: The ends of the liquid inlet pipe (14) and the liquid outlet pipe (15) are both fixedly connected to a first connecting pipe (2), and the end of the first connecting pipe (2) is fixedly connected to the circular pipe (302).

Images