Multi-point leakage positioning device for collision detection of hydrogen fuel cell

Abstract

The utility model discloses a multipoint leakage positioning device for hydrogen fuel cell collision detection, which comprises a device body and a controller, the bottom and the top of the device body are respectively provided with a placing table for limiting a hydrogen fuel cell and a collision assembly, the collision assembly penetrates through a partition plate, and the controller is connected with the controller. A plurality of hydrogen sensors electrically connected with the controller are arranged at the bottom of the partition plate, and the hydrogen sensors display the monitored hydrogen concentration and coordinate information in a display screen in the controller. The leakage point of the hydrogen fuel cell is positioned in time, subsequent analysis of leakage reasons is facilitated, subsequent improvement is performed according to the reasons, and the analysis efficiency of the leakage point is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydrogen fuel cell collision detection technical field, concretely relates to a kind of multi-point leakage positioning device for hydrogen fuel cell collision detection. BACKGROUND

[0002] Hydrogen fuel cell is a kind of fuel cell, and hydrogen fuel cell is the power generation device for converting the chemical energy of hydrogen and oxygen into electric energy directly.The basic principle is the reverse reaction of electrolysis of water, hydrogen and oxygen are supplied to the anode and cathode respectively, hydrogen diffuses outward through the anode and reacts with electrolyte, and then emits electrons to reach the cathode through external load.Hydrogen fuel cell is generally used in automotive industry.

[0003] Currently, when hydrogen fuel cell is collided and detected, the damage of hydrogen fuel cell is evaluated to facilitate subsequent performance improvement;However, during the collision detection process, hydrogen leakage often occurs, and there is a distance between the hydrogen leakage position and the hydrogen sensor.The existing hydrogen sensor can only detect the overall leakage condition, but cannot specifically locate the leakage point, so the cause of hydrogen fuel cell leakage cannot be analyzed and improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of multi-point leakage positioning device for hydrogen fuel cell collision detection, by changing the height of the partition plate, the leakage generated in the collision detection process is positioned in multiple points, the leakage position of hydrogen fuel cell is analyzed, the leakage reason is analyzed subsequently and improved according to the reason, and the above technical problems existing in the prior art are solved.

[0005] To solve the above technical problems, the utility model adopts the following scheme:

[0006] A kind of multi-point leakage positioning device for hydrogen fuel cell collision detection, including device body and controller, the bottom and top of the device body are respectively provided with placing table and collision assembly for limiting hydrogen fuel cell, the collision assembly penetrates partition plate, the bottom of the partition plate is provided with a plurality of hydrogen sensors electrically connected with the controller, and the hydrogen sensor displays the hydrogen concentration and coordinate information monitored in the display screen in the controller.

[0007] Further, a plurality of hydrogen sensors are evenly arranged on the bottom surface of the partition plate.

[0008] Further, the inner wall of the device body is provided with concave plate symmetrically, the assembly block in the concave plate is arranged at both ends of the partition plate, and the assembly block slides in the concave plate to adjust the height of the partition plate.

[0009] Further, multiple limiting holes one are arranged on two sides of the concave plate, limiting holes two are arranged on the side of the assembly block, and a U-shaped block is arranged and penetrates the limiting hole one and the limiting hole two on one side respectively, and the U-shaped block is located below the assembly block.

[0010] Further, an avoiding hole is arranged at the center of the partition plate, and a sleeve in the collision assembly penetrates the avoiding hole.

[0011] Further, an electric telescopic rod is arranged in the sleeve and fixed to the top of the assembly body, and a striking block is connected to the telescopic end of the electric telescopic rod.

[0012] Further, a sleeve ring is arranged on the outer periphery of the telescopic end, and the sleeve ring is detachably connected with the striking block.

[0013] Further, a through groove is formed in the bottom of the placing table, a weight sensor for monitoring weight change when collision occurs is arranged in the through groove, and the weight sensor and the electric telescopic rod are electrically connected with the controller respectively.

[0014] Further, a symmetrical sliding groove is formed in the surface of the placing table, a sliding block connected with a spring is arranged in the sliding groove, and a clamping plate with a buffer pad arranged on the inner side is fixed to the top end of the sliding block.

[0015] Further, a guide rod is arranged in the sliding groove and penetrates the sliding block and the spring.

[0016] The utility model discloses have beneficial effect:

[0017] The utility model discloses the inside height adjustable partition plate of device body, shorten the interval of hydrogen sensor and hydrogen fuel cell surface, monitor the leakage point after collision through the even arrangement of hydrogen sensor, show the concentration and coordinate in the display screen of controller, make the leakage point of hydrogen fuel cell in time positioning, be convenient for subsequent analysis to the leakage reason and carry out subsequent improvement according to this reason, improve the analysis efficiency of leakage point.

[0018] By setting the sliding groove in the placing plate, the spring, the guide rod and the sliding block in the sliding groove, the clamping plate can adapt to hydrogen fuel cells of multiple specifications, the stability of clamping is improved, and deviation during collision detection is avoided. ACCURATE DRAWINGS

[0019] Figure 1 It is the structural schematic diagram of the utility model;

[0020] Figure 2 It is the bottom structure schematic diagram of the partition plate of the utility model;

[0021] Figure 3 It is the top structure schematic diagram of the placing table of the utility model.

[0022] Fig. 1 - device body, 10 - controller, 11 - partition plate, 110 - escape hole, 111 - assembly block, 1111 - limit hole two, 13 - concave plate, 130 - limit hole one, 14 - U-shaped block, 2 - electric telescopic rod, 20 - telescopic end, 21 - collar, 22 - impact block, 24 - sleeve, 3 - placing table, 30 - sliding groove, 31 - sliding block, 32 - clamping plate, 33 - buffer pad, 34 - guide rod, 35 - spring, 36 - through slot, 4 - hydrogen sensor, 5 - weight sensor. DETAILED DESCRIPTION

[0023] The utility model will be described in further detail below in combination with the embodiments and drawings, but the implementation of the utility model is not limited to this.

[0024] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship of the utility model product when it is usually placed, which is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0025] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "set", "open", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] Example 1

[0027] The embodiment 1 of the utility model is a kind of multi-point leakage positioning device for hydrogen fuel cell collision detection, including device body 1 and controller 10, the bottom and top of the device body 1 are equipped with placing table 3 and collision assembly for limiting hydrogen fuel cell respectively, the collision assembly penetrates partition plate 11, the bottom of the partition plate 11 is equipped with a plurality of hydrogen gas sensors 4 electrically connected with controller 10, the hydrogen gas sensor 4 shows the hydrogen concentration and coordinate information monitored in the display screen in controller 10.

[0028] Reference Figure 1The technical concept of the present application is to arrange a height-changeable partition plate 11 inside the device body 1, the bottom of the partition plate 11 is provided with a plurality of hydrogen sensors 4, and the coordinate information of each hydrogen sensor 4 will be stored in the processing module of the controller 10, which is prior art and will not be described here. When collision detection, the hydrogen sensors 4 at the bottom of the partition plate 11 are as close to the surface of the hydrogen fuel cell as possible under the premise of not affecting the work of the collision assembly, shorten the distance between the hydrogen sensor 4 and the hydrogen fuel cell, improve the detection of the hydrogen leakage position of the hydrogen fuel cell after collision and the detection of the hydrogen concentration, facilitate the subsequent analysis of the leakage reason of the hydrogen fuel cell and subsequent improvement according to the reason. The hydrogen sensor 4 in the prior art can only detect the overall hydrogen leakage and cannot be positioned and analyzed.

[0029] It should be noted that the display screen in the controller 10 can display the surface picture of the hydrogen fuel cell, which can be transmitted and detected by the existing camera, and the picture can be imported into the display screen and the position of the plurality of hydrogen sensors 4 can be associated with the controller 10 module, which is prior art and will not be described here; so that in the positioning analysis of the leakage point after the collision detection, the concentration information and coordinate information monitored by the hydrogen sensor 4 can be directly displayed in the surface picture of the hydrogen fuel cell in the display screen, and the leakage point position can be analyzed through the display screen, so that the hydrogen fuel cell can be taken out for specific analysis reason.

[0030] In order to quickly locate the hydrogen leakage point, a plurality of hydrogen sensors 4 are uniformly arranged on the bottom surface of the partition plate 11. The number and position of the hydrogen sensor 4 are set according to the actual situation, so that the hydrogen leakage point of each hydrogen fuel cell during collision detection can be located, and the utilization rate of the device body 1 is improved.

[0031] Specifically, the device body 1 is provided with openable doors on both sides, which facilitates the movement of the partition plate 11 inside the device body 1. The inner wall of the device body 1 is symmetrically provided with a recessed plate 13, and the two ends of the partition plate 11 are provided with assembly blocks 111 located in the recessed plate 13. The assembly block 111 slides in the recessed plate 13 to adjust the height of the partition plate 11. The recessed plate 13 is provided with a plurality of limiting holes one 130 on both sides, and the side of the assembly block 111 is provided with a limiting hole two 1111, and a U-shaped block 14 is further included, which penetrates the limiting hole one 130 and the limiting hole two 1111 on one side, respectively. The U-shaped block 14 is located below the assembly block 111.

[0032] The movement of the partition plate 11 is mainly through the assembly block 111 at both ends of the partition plate 11 to move up and down in the groove provided in the concave plate 13 to adjust the distance between the hydrogen sensor 4 and the surface of the hydrogen fuel cell. When the height of the partition plate 11 is determined, the U-shaped block 14 is used to limit the height of the partition plate 11. The side of the U-shaped block 14 away from the assembly block 111 penetrates the limiting hole one 130 and the limiting hole two 1111, and the other side is adjacent to the end face of the concave plate 13 and its surface is adjacent to the assembly block 111, so as to ensure that the partition plate 11 does not fall at this height. The number of assembly blocks 111 is set according to the actual situation to ensure that the partition plate 11 is installed stably.

[0033] Embodiment 2

[0034] Embodiment 2 of the present application is implemented on the basis of embodiment 1. The partition plate 11 is provided with an avoiding hole 110 at the center, and the sleeve 24 in the collision assembly penetrates the avoiding hole 110. The inside of the sleeve 24 is provided with an electric telescopic rod 2 fixed to the top of the assembly body, and the telescopic end 20 of the electric telescopic rod 2 is connected with the impact block 22.

[0035] Specifically, when adjusting the height of the partition plate 11, the avoiding hole 110 does not affect the telescopic impact activity of the sleeve 24 and the electric telescopic rod 2 inside it. At the same time, the controller 10 is electrically connected with the electric telescopic rod 2. By starting the electric telescopic rod 2 to work through the controller 10, the impact block 22 below the telescopic end 20 impacts the surface of the hydrogen fuel cell, and the hydrogen sensor 4 monitors in real time when hydrogen leakage occurs.

[0036] In order to adapt the device block to the collision detection of hydrogen fuel cells of different specifications, a sleeve 21 is arranged on the outer periphery of the telescopic end 20, and the sleeve 21 is detachably connected with the impact block 22. Threaded connection or bolt connection and other ways can be used; at the same time, a plurality of through holes can be arranged on the surface of the device block, and the leaked hydrogen will be monitored by the hydrogen sensor 4 through the through holes, so as to locate the hydrogen leakage point and analyze the concentration.

[0037] Embodiment 3

[0038] Embodiment 3 is implemented on the basis of embodiment 1, so that the placement table 3 can stably clamp hydrogen fuel cells of different specifications. A through slot 36 is arranged at the bottom of the placement table 3, and a weight sensor 5 for monitoring the weight change when the collision occurs is arranged in the through slot 36. The weight sensor 5 and the electric telescopic rod 2 are electrically connected with the controller 10 respectively.

[0039] When the impact block 22 collides with the surface of the hydrogen fuel cell, the two are in contact, then the weight sensor 5 in the through groove 36 monitors the weight increase of the placement table 3 and the hydrogen fuel cell, indicating that the collision occurs; the weight sensor 5 transmits this weight information to the processing module of the controller 10, and the processing module drives the controller 10 to drive the impact block 22 to move upward, so that the impact block 22 is separated from the surface of the hydrogen fuel cell.

[0040] In order to improve the stability of clamping and adapt to hydrogen fuel cells of multiple specifications, the surface of the placement table 3 is provided with relatively symmetrical sliding grooves 30, the sliding grooves 30 are provided with sliding blocks 31 connected with springs 35, and the top ends of the sliding blocks 31 are fixedly connected with clamping plates 32 provided with buffer pads 33 on the inner sides.

[0041] That is, the sliding blocks 31 connected with the springs 35 and the clamping plates 32 change the clamping spacing between the two clamping plates 32 under the elastic action, so that the clamping spacing is adapted to the length of the hydrogen fuel cell, and the hydrogen fuel cell is stably clamped under the stretching reaction of the spring 35 after clamping, so that deviation during collision detection is avoided; the guide rod 34 provides conditions for the movement of the sliding block 31 and ensures linear movement; and the buffer pad 33 is arranged to avoid damage to the side surface of the hydrogen fuel cell during clamping, so as to avoid hydrogen leakage and affect the detection of the leakage point; and the buffer pad 33 can be made of rubber or silicone.

[0042] The working principle of the utility model is as follows: in use, the hydrogen fuel cell is clamped between the clamping plates 32 of the placement table 3, the assembly block 111 is lowered in the recessed plate 13 to be adjacent to the surface of the hydrogen fuel cell, the U-shaped plate is used for limiting, then the electric telescopic rod 2 is started to drive the impact block 22 to impact test, when the weight sensor 5 in the through groove 36 monitors the weight increase of the placement table 3 and the hydrogen fuel cell, the controller 10 drives the electric telescopic rod 2 to drive the impact block 22 to move upward, so that the impact block 22 is separated from the surface of the hydrogen fuel cell, if hydrogen leakage occurs at this time, multiple hydrogen sensors 4 will perform multi-point detection, and the detected hydrogen concentration and coordinates are displayed on the display screen of the controller 10, and the coordinates of the hydrogen sensor 4 are displayed on the surface of the hydrogen fuel cell in the display screen, so that the leakage point of the hydrogen fuel cell is located in time, and the subsequent analysis of the leakage reason is facilitated, and subsequent improvement is made according to the reason, and the analysis efficiency of the leakage point is improved.

[0043] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, and any simple modification, equivalent replacement and improvement of the above embodiment within the spirit and principle of the utility model still belongs to the protection scope of the utility model technical scheme.

Claims

1. A multi-point leak location device for hydrogen fuel cell crash detection, comprising: The device comprises a device body (1) and a controller (10), the bottom and top of the device body (1) are respectively provided with a placement table (3) for limiting hydrogen fuel cells and a collision assembly, the collision assembly penetrates a partition plate (11), the bottom of the partition plate (11) is provided with a plurality of hydrogen sensors (4) electrically connected with the controller (10), and the hydrogen sensors (4) display the monitored hydrogen concentration and coordinate information on a display screen in the controller (10).

2. A multi-point leak locating device for hydrogen fuel cell crash detection according to claim 1, wherein, The plurality of hydrogen sensors (4) are uniformly arranged on the bottom surface of the partition plate (11).

3. A multi-point leak locating device for hydrogen fuel cell crash detection according to claim 1, wherein, The inner wall of the device body (1) is symmetrically provided with a recessed plate (13), both ends of the partition plate (11) are provided with an assembly block (111) located in the recessed plate (13), and the assembly block (111) slides in the recessed plate (13) to adjust the height of the partition plate (11).

4. A multi-point leak locating device for hydrogen fuel cell crash detection according to claim 3, wherein, Both sides of the recessed plate (13) are provided with a plurality of limiting holes one (130), the side of the assembly block (111) is provided with a limiting hole two (1111), and a U-shaped block (14) is arranged on one side of the limiting hole one (130) and the limiting hole two (1111) and penetrates the limiting hole one (130) and the limiting hole two (1111).

5. A multi-point leak locating device for hydrogen fuel cell crash detection according to claim 3, wherein, The center of the partition plate (11) is provided with an avoiding hole (110), and a sleeve (24) in the collision assembly penetrates the avoiding hole (110).

6. A multi-point leak locating device for hydrogen fuel cell crash detection according to claim 5, wherein, The inside of the sleeve (24) is provided with an electric telescopic rod (2) fixedly connected with the top of an assembly body, and the telescopic end (20) of the electric telescopic rod (2) is connected with an impact block (22).

7. A multi-point leak locating device for hydrogen fuel cell crash detection according to claim 6, wherein, The outer periphery of the telescopic end (20) is provided with a sleeve ring (21), and the sleeve ring (21) is detachably connected with the impact block (22).

8. A multi-point leak locating device for hydrogen fuel cell crash detection according to claim 6, wherein, The bottom of the placement table (3) is provided with a through groove (36), the through groove (36) is provided with a weight sensor (5) for monitoring the weight change when the collision occurs, and the weight sensor (5) and the electric telescopic rod (2) are electrically connected with the controller (10) respectively.

9. A multi-point leak locating device for hydrogen fuel cell crash detection according to claim 6, wherein, The surface of the placement table (3) is provided with a symmetric sliding groove (30), the sliding groove (30) is provided with a sliding block (31) connected with a spring (35), and the top end of the sliding block (31) is fixedly connected with a clamping plate (32) provided with a buffer pad (33) on the inner side.

10. A multi-point leak locating device for hydrogen fuel cell crash detection according to claim 9, wherein, The sliding groove (30) is provided with a guide rod (34) penetrating the sliding block (31) and the spring (35).

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