Performance detection machine for polar plate of alkaline water electrolyzer

Abstract

The utility model discloses an alkaline water electrolyser polar plate performance detection machine, which comprises a detection platform, a tool tray and a polar plate main body, the upper surface of the tool tray is provided with a circular groove, the circular groove is provided with an annular sealing groove, and a sealing ring is fixedly arranged in the annular sealing groove; through the designed pressing mechanism, the rubber sealing ring on the pressing ring can move downwards to press the polar plate main body through the hydraulic rod in use, and the rubber sealing ring is in contact with the surface of the polar plate main body, so that the phenomenon that a pressing head on a pressing cylinder is directly in contact with the surface of the polar plate main body when the polar plate main body is pressed by the pressing cylinder traditionally is avoided; and moreover, the surface of the edge of the polar plate main body is integrally pressed through the pressing ring, so that the integral sealing performance between the polar plate main body and the tool tray is improved, and the airtight performance detection effect of welding between the polar frame and the plate body in the polar plate main body is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of testing machines, and particularly relates to a performance testing machine for alkaline water electrolyzer plates. Background Technique

[0002] The plate is a supporting component of the alkaline water hydrogen production electrolyzer, which plays the roles of supporting the electrodes, diaphragm and conducting electricity. It is the component with the largest repetition quantity in the whole electrolyzer. The plate is composed of a plate body and a frame. The surface of the plate body is covered with concave-convex structures, which make multi-point contact with the electrodes on both sides of the diaphragm to reduce the internal resistance. After the frame and the plate body are processed, the frame and the plate body are welded together to form an integrated plate. After the weld between the plate body and the frame is completed, the airtight performance between the plate body and the frame needs to be detected by a testing machine.

[0003] Chinese Patent Application No. 202223376348.X discloses a device for detecting the airtightness of the weld of an electrolyzer plate. This patent does not need to apply a detection substance and can detect the airtightness of the weld only by single-sided vacuum pumping, saving labor and working hours. After the above-mentioned plate is placed in a circular groove, the pressing head on the pressing cylinder moves downward to contact the surface of the plate to press it to increase the sealing performance. When the force of the pressing head pressing the surface of the plate is too large, it is easy to produce indentations on the surface of the plate, reducing the quality of the plate. Moreover, when pressing the surface of the plate by ten groups of hydraulic cylinders, if the pressing force of a certain group or other groups of hydraulic cylinders is inconsistent with that of other pressing cylinders, it is easy to cause the edge of the plate to warp up, affecting the sealing and reducing the detection effect. Therefore, we propose a performance testing machine for alkaline water electrolyzer plates. Content of the Utility Model

[0004] The purpose of the utility model is to provide a performance testing machine for alkaline water electrolyzer plates, so as to solve the problems proposed in the above background technique that when the force of the pressing head pressing the surface of the plate is too large, it is easy to produce indentations on the surface of the plate, reducing the quality of the plate, and when pressing the surface of the plate by ten groups of hydraulic cylinders, if the pressing force of a certain group or other groups of hydraulic cylinders is inconsistent with that of other pressing cylinders, it is easy to cause the edge of the plate to warp up, affecting the sealing.

[0005] To achieve the above object, the utility model provides the following technical solutions: An alkaline water electrolysis cell plate performance detector, comprising a detection platform, a tooling tray and a plate body. A circular groove is provided on the upper surface of the tooling tray, and an annular sealing groove is arranged on the circular groove. A sealing ring is fixedly arranged inside the annular sealing groove. The plate body is located inside the circular groove. The plate body includes a plate and a pole frame welded outside the plate. A pressing mechanism is arranged on the tooling tray. The pressing mechanism includes a pressing ring and a hydraulic rod. A bracket is fixedly arranged at the working end of the hydraulic rod. The bottom of the bracket contacts the upper surface of the pressing ring. A rubber sealing ring is fixedly arranged at the bottom of the pressing ring. The lower surface of the rubber sealing ring contacts the upper surface of the plate body.

[0006] Preferably, a vertical plate is fixedly arranged at the top of the tooling tray, and a horizontal plate is fixedly arranged at the top of the vertical plate. The hydraulic rod is fixed on the horizontal plate.

[0007] Preferably, a plurality of replacement parts for replacing the pressing ring and the rubber sealing ring are arranged between the pressing ring and the bracket. The replacement parts include screws. A plurality of through holes for the top of the screws to pass through are provided inside the bracket. A screw ring is connected to the outside of the screw by threads. The screw is fixed at the top of the pressing ring.

[0008] Preferably, four groups of adjusting components are arranged between the tooling tray and the detection platform. The adjusting components include a spirit level and an internal thread cylinder. An external thread ring is connected to the inside of the internal thread cylinder by threads. A bearing is arranged at the top of the external thread ring. A top column is fixedly arranged on the inner wall of the bearing.

[0009] Preferably, the tooling tray and the top column are fixedly connected by screws. The internal thread cylinder is fixed at the top of the detection platform.

[0010] Preferably, a vacuum pumping hole is arranged on the circular groove, and a connecting pipe is arranged at the bottom of the vacuum pumping hole. A vacuum pump, a leak detector and a buffer tank are respectively arranged on the detection platform.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) Through the designed pressing mechanism of the present utility model, during use, the hydraulic rod can be used to move the rubber sealing ring on the pressing ring downward to tightly press the plate body. By contacting the surface of the plate body with the rubber sealing ring, it avoids the situation that the pressing head on the pressing cylinder directly contacts the surface of the plate body when pressing through the traditional pressing cylinder, which may cause indentations on the surface of the plate body. Moreover, through the overall pressing of the edge surface of the plate body by the pressing ring, the overall sealing performance between the plate body and the tooling tray is increased, improving the airtight performance detection effect of the welding between the pole frame and the plate body in the plate body.

[0013] (2) Through the designed adjusting component of the present utility model, during use, after the detector is placed on an uneven ground, the height of the four corners of the tooling tray can be adjusted according to the display of the spirit level, making the tooling tray horizontal and improving the detection effect. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 is of the present utility model Figure 1 amplified structural diagram of part A;

[0016] Figure 3 is a schematic structural diagram of the tooling tray of the present utility model;

[0017] Figure 4 is a schematic structural diagram of the pressing ring and the rubber sealing ring of the present utility model;

[0018] Figure 5 is a schematic structural diagram of the plate body of the present utility model;

[0019] Figure 6 is a schematic structural diagram of the adjusting component of the present utility model;

[0020] In the figure: 100, detection platform; 101, tooling tray; 102, plate body; 103, circular groove; 104, limiting plate; 105, vacuum extraction hole; 106, sealing ring; 107, plate; 108, pole frame; 109, connecting pipe; 200, internal thread cylinder; 201, top column; 202, bearing; 203, external thread ring; 204, spirit level; 300, vertical plate; 301, horizontal plate; 302, pressing ring; 303, hydraulic rod; 304, bracket; 305, screw rod; 306, screw ring; 307, rubber sealing ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] Embodiment 1

[0023] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 The present invention provides a technical solution: an alkaline water electrolysis cell plate performance detector, including a detection platform 100, a tooling tray 101 and a plate body 102. Four groups of limiting plates 104 for facilitating the placement of the plate body 102 are arranged on the tooling tray 101. A circular groove 103 is opened on the upper surface of the tooling tray 101. An annular sealing groove is arranged on the circular groove 103, and a sealing ring 106 is fixedly arranged inside the annular sealing groove. The plate body 102 is located inside the circular groove 103. The plate body 102 includes a plate body 107 and a pole frame 108 welded outside the plate body 107. A pressing mechanism is arranged on the tooling tray 101. The pressing mechanism includes a pressing ring 302 and a hydraulic rod 303. The pressing ring 302 and the rubber sealing ring 307 can be moved downward by the hydraulic rod 303. A bracket 304 is fixedly arranged at the working end of the hydraulic rod 303. The bottom of the bracket 304 is in contact with the upper surface of the pressing ring 302. A rubber sealing ring 307 is fixedly arranged at the bottom of the pressing ring 302. The rubber sealing ring 307 can be in contact with the upper surface of the lower plate body 102. The lower surface of the rubber sealing ring 307 is in contact with the upper surface of the plate body 102;

[0024] A vertical plate 300 is fixedly arranged at the top of the tooling tray 101, and a horizontal plate 301 is fixedly arranged at the top of the vertical plate 300. The hydraulic rod 303 is fixed on the horizontal plate 301.

[0025] Embodiment 2

[0026] On the basis of Embodiment 1, please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4, multiple sets of replacement parts for replacing the pressure ring 302 and the rubber sealing ring 307 are arranged between the pressure ring 302 and the bracket 304. The replacement parts include screws 305. Multiple perforations for the top of the screws 305 to pass through are provided inside the bracket 304. A screw ring 306 is threadedly connected to the outside of the screw 305. By tightening the screw ring 306, the bracket 304 and the screw 305 can be fixedly connected together, and the screw 305 is fixed on the top of the pressure ring 302.

[0027] Through the designed pressing mechanism of the present utility model, during use, the hydraulic rod 303 can be used to move the rubber sealing ring 307 on the pressure ring 302 downward to tightly press the plate body 102. Through the contact between the rubber sealing ring 307 and the surface of the plate body 102, it avoids the situation that the pressing head on the pressing cylinder directly contacts the surface of the plate body 102 when pressing by the traditional pressing cylinder, resulting in indentations on the surface of the plate body 102. Moreover, through the overall pressing of the edge surface of the plate body 102 by the pressure ring 302, the overall sealing performance between the plate body 102 and the tooling tray 101 is increased, and the airtight performance detection effect of the welding between the pole frame 108 and the plate body 107 in the plate body 102 is improved.

[0028] Embodiment 3

[0029] On the basis of Embodiment 2, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 6 , four groups of adjusting components are arranged between the tooling tray 101 and the detection platform 100. The adjusting components include a spirit level 204 and an internal thread cylinder 200. When the external thread ring 203 is rotated, the top of the external thread ring 203 rotates inside the internal thread cylinder 200. The external thread ring 203 is threadedly connected to the inside of the internal thread cylinder 200. A bearing 202 is arranged at the top of the external thread ring 203. Through the bearing 202, the tooling tray 101 will not rotate when the external thread ring 203 rotates. A top column 201 is fixedly arranged on the inner wall of the bearing 202;

[0030] The tooling tray 101 and the top column 201 are fixedly connected by screws. The tooling tray 101 can be disassembled and assembled through the screws, and the internal thread cylinder 200 is fixed on the top of the detection platform 100.

[0031] Through the designed adjusting components of the present utility model, during use, after the detector is placed on an uneven ground, the height of the four corners of the tooling tray 101 can be adjusted according to the display of the spirit level 204 to make the tooling tray 101 horizontal, improving the detection effect.

[0032] In this embodiment, evacuation holes 105 are provided on the circular groove 103. A connecting pipe 109 is provided at the bottom of the evacuation holes 105. A vacuum pump, a leak detector and a buffer tank are respectively provided on the detection platform 100. The vacuum pump can evacuate the inside of the circular groove 103. The inlet of the vacuum pump is connected to the outlet of the buffer tank through a pipeline with a valve. The inlet of the leak detector is connected to the leak detection port of the buffer tank through a pipeline with a valve. The inlet of the buffer tank is connected to the evacuation pipeline through a pipeline.

[0033] The working principle and usage process of the present utility model:

[0034] When the present utility model is in use, the plate body 102 is placed at a suitable position in the circular groove 103, and then the hydraulic rod 303 is started. At this time, the working end of the hydraulic rod 303 moves downward, driving the bracket 304 to move. The bracket 304 drives the pressure ring 302 to move, and the pressure ring 302 drives the rubber sealing ring 307 to move. Then, the lower surface of the rubber sealing ring 307 contacts and presses the outer edge surface of the plate body 102, and the outer edge of the plate body 102 can be integrally pressed at this time, improving the sealing performance. Then, the detection operation can be carried out on the plate body 102. After the detection is completed, the plate body 102 can be removed according to the reverse principle described above. When the rubber sealing ring 307 needs to be replaced after long-term use, the hydraulic rod 303 is started to raise the pressure ring 302 and the rubber sealing ring 307. Then, the screw ring 306 is rotated upward to disengage from the screw rod 305. Then, the pressure ring 302 is moved downward, driving the top of the screw rod 305 to disengage from the through hole in the bracket 304. At this time, it can be removed and a new one can be taken out and installed back in the original position according to the reverse principle described above;

[0035] When the detector is placed on an uneven ground, the heights of the four corners of the tooling tray 101 are adjusted according to the position of the bubble in the level bubble 204. When adjusting, the external thread ring 203 is rotated upward or downward first. At this time, the corners of the tooling tray 101 will move upward or downward until the four corners are at the same height, and then the adjustment is completed.

[0036] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An alkaline water electrolyzer plate performance tester, comprising a test platform (100), a tooling tray (101) and a plate body (102), wherein a circular groove (103) is provided on the upper surface of the tooling tray (101), an annular sealing groove is provided on the circular groove (103), a sealing ring (106) is fixedly provided inside the annular sealing groove, the plate body (102) is located inside the circular groove (103), the plate body (102) comprises a plate body (107) and a pole frame (108) welded to the outside of the plate body (107), characterized in that: The tooling tray (101) is provided with a pressing mechanism, the pressing mechanism comprising a pressing ring (302) and a hydraulic rod (303), a bracket (304) is fixedly provided at the working end of the hydraulic rod (303), the bottom of the bracket (304) is in contact with the upper surface of the pressing ring (302), a rubber sealing ring (307) is fixedly provided at the bottom of the pressing ring (302), and the lower surface of the rubber sealing ring (307) is in contact with the upper surface of the electrode body (102).

2. The alkaline water electrolyzer plate performance tester according to claim 1, characterized in that: A vertical plate (300) is fixedly arranged on the top of the tooling pallet (101), a horizontal plate (301) is fixedly arranged on the top of the vertical plate (300), and the hydraulic rod (303) is fixed on the horizontal plate (301).

3. The alkaline water electrolyzer plate performance tester according to claim 2, characterized in that: A plurality of replacement parts for replacing the pressure ring (302) and the rubber sealing ring (307) are arranged between the pressure ring (302) and the bracket (304), and the replacement parts include a screw rod (305). The interior of the bracket (304) is provided with a plurality of through holes for the top of the screw rod (305) to pass through. The outside of the screw rod (305) is connected with a screw ring (306) by a thread, and the screw rod (305) is fixed to the top of the pressure ring (302).

4. The alkaline water electrolyzer plate performance tester according to claim 3, characterized in that: Four groups of adjustment components are arranged between the tooling tray (101) and the detection platform (100), and the adjustment components include a level bubble (204) and an internal threaded cylinder (200), the interior of the internal threaded cylinder (200) is connected to an external threaded ring (203) through a thread, a bearing (202) is arranged on the top of the external threaded ring (203), and a top column (201) is fixedly arranged on the inner wall of the bearing (202).

5. The alkaline water electrolyzer plate performance testing machine according to claim 4, characterized in that: The tooling tray (101) and the top column (201) are fixedly connected via screws, and the internal threaded cylinder (200) is fixed on the top of the detection platform (100).

6. The alkaline water electrolyzer plate performance tester according to claim 1, characterized in that: The circular groove (103) is provided with a vacuum hole (105), the bottom of the vacuum hole (105) is provided with a connecting pipe (109), and the detection platform (100) is respectively provided with a vacuum pump, a leak detector and a buffer tank.

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