Battery tray airtightness detection equipment

Abstract

The utility model discloses battery tray airtightness detection equipment, which comprises a workbench, the top of the workbench is provided with a placing groove, a battery tray body is placed in the placing groove, and the top of the workbench is fixedly connected with four guide columns. During detection, the battery tray body is placed in the placement groove of the workbench, and then the electric hydraulic cylinder is started to press the moving plate downwards, so that the inner clamping block is clamped into the battery tray body, the sealing ring is located above the battery tray body, and the moving plate and the battery tray body form a sealed environment; after the inflator pump is started, the numerical value on the air pressure detector is observed, if the numerical value does not change, the air tightness is good, then the front electromagnetic valve is opened to discharge air in the battery tray body, and the battery tray is taken down to complete detection, so that the device is simple to operate, convenient to detect, accurate, high in efficiency, simple in structure and low in detection cost and has popularization value.

Description

Technical Field

[0001] The utility model relates to the technical field of battery trays, in particular to an airtightness detection device for a battery tray. Background Art

[0002] The battery tray is an important component of the power system of new energy vehicles. It is mainly used to carry battery modules and play a sealing and protective role. Therefore, the air tightness of the battery tray is an important indicator of the battery tray. Air tightness testing is required before the battery leaves the factory.

[0003] Currently, there is no corresponding automated equipment to test the air tightness of battery trays. Manual testing is generally used, which not only has low detection efficiency, but is also prone to false detection, missed detection, etc., and has low accuracy. Utility Model Content

[0004] The purpose of the utility model is to provide a battery tray air tightness detection device. When performing the detection, the battery tray body is placed in the placement slot of the workbench, and then the electric hydraulic cylinder is started to press the movable plate downward, so that the inner card block is stuck in the interior of the battery tray body. The sealing ring is located above the battery tray body, and the movable plate and the battery tray body form a sealed environment. After starting the air pump, the value on the air pressure detector is observed. If there is no change, it means that the air tightness is good. Then the front solenoid valve is opened to discharge the gas in the battery tray body. The battery tray can be removed to complete the detection. The operation is simple, the detection is convenient, accurate and efficient, and the device structure is simple, the detection cost is low, and it has promotion value.

[0005] To achieve the above-mentioned purpose, a battery tray airtightness detection device is provided, comprising: a workbench, a placement slot is provided on the top of the workbench, a battery tray body is placed in the placement slot, a guide column is fixedly connected to the top of the workbench, the number of the guide columns is provided, and they are symmetrically distributed at the four corners of the placement slot, the top of the guide column is fixedly connected to a top plate, the bottom of the top plate is fixedly connected to an electric hydraulic cylinder, the bottom of the electric hydraulic cylinder is fixedly connected to a movable plate, the movable plate is provided with guide holes, the number of the guide holes is provided, and they are evenly distributed at the four corners of the movable plate, the bottom of the movable plate is fixedly connected to an inner clamping block and a sealing ring, the sealing ring is located on the outside of the inner clamping block, the top of the movable plate is fixedly connected to an air pressure detector and a tee pipe, the front side of the tee pipe is provided with a front exhaust pipe, the circumferential surface of the front exhaust pipe is fixedly connected to a front solenoid valve, the top of the tee pipe is fixedly connected to a connecting pipe, the circumferential surface of the connecting pipe is fixedly connected to a side solenoid valve, and the end of the connecting pipe away from the tee pipe is fixedly connected to an air pump.

[0006] According to the battery tray airtightness detection device, the inner clamping block is located above the battery tray body and engages with the inner side wall of the battery tray body, and the sealing ring is located above the battery tray body, so as to form a sealed environment between the movable plate and the battery tray body after the movable plate moves downward.

[0007] According to the battery tray airtightness detection device, the guide pillar is located inside the guide hole, which enables the movable plate to move vertically up and down.

[0008] According to the battery tray airtightness detection device, the bottom of the workbench is fixedly connected with pillars, and the number of the pillars is set to four and symmetrically distributed at the four corners of the bottom of the workbench.

[0009] According to the battery tray airtightness detection device, the connecting pipe is a hose.

[0010] According to the battery tray airtightness detection device, the three-way pipe and the air pressure detector are relatively arranged on the left and right sides of the electric hydraulic cylinder, and the bottoms of the three-way pipe and the air pressure detector pass through the movable plate and the inner clamping block.

[0011] According to the battery tray airtightness testing device, the pressure detector is equipped with a pressure sensor at the bottom, located below the inner clamping block, and a pressure gauge at the top, located above the movable plate. The pressure detector can detect the internal pressure of the battery tray and display it on the pressure gauge, making it easy to detect leaks.

[0012] According to the battery tray airtightness testing equipment, the bottom of the air pump is fixedly connected to the workbench, and the top of the workbench is fixedly connected to a controller. The controller is located in front of the air pump and is electrically connected to the air pump, electric hydraulic cylinder, front solenoid valve, and side solenoid valve, making it easy to control each component.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: by setting a workbench, a battery tray body, a guide column, a top plate, a movable plate, a guide hole, an inner clamping block, a sealing ring, an air pressure detector, a tee pipe, a front exhaust pipe, a front solenoid valve, a connecting pipe, a side solenoid valve, an electric hydraulic cylinder, an air pump and a controller, when conducting an inspection, the battery tray body is placed in the placement slot of the workbench, and then the electric hydraulic cylinder is started to press the movable plate downward, so that the inner clamping block is stuck in the interior of the battery tray body, and the sealing ring is located above the battery tray body, and the movable plate and the battery tray body form a sealed environment. After starting the air pump, the value on the air pressure detector is observed. If there is no change, it means that the air tightness is good. Then the front solenoid valve is opened to discharge the gas in the battery tray body. The inspection can be completed by removing it. The operation is simple, the inspection is convenient, accurate and efficient, and the device structure is simple, the inspection cost is low, and it has promotion value.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a front view of a battery tray airtightness detection device according to the present invention;

[0017] Figure 2 This is a bottom view of a movable plate of a battery tray airtightness detection device according to the present invention;

[0018] Figure 3 This is a front view of a battery tray airtightness detection device according to the present utility model;

[0019] Figure 4 This is a structural diagram of a battery tray airtightness detection device during detection.

[0020] In the figure: 1. Workbench; 2. Battery tray body; 3. Guide column; 4. Top plate; 5. Moving plate; 6. Guide hole; 7. Internal clamping block; 8. Sealing ring; 9. Air pressure detector; 10. T-tube; 11. Front exhaust pipe; 12. Front solenoid valve; 13. Connecting pipe; 14. Side solenoid valve; 15. Electric hydraulic cylinder; 16. Air pump; 17. Controller; 18. Pillar. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4The utility model provides a technical solution: a battery tray airtightness detection device, comprising: a workbench 1, a placement slot is provided on the top of the workbench 1, a battery tray body 2 is placed in the placement slot, a guide column 3 is fixedly connected to the top of the workbench 1, the number of guide columns 3 is set to four, and they are symmetrically distributed at the four corners of the placement slot, the top of the guide column 3 is fixedly connected to a top plate 4, the bottom of the top plate 4 is fixedly connected to an electric hydraulic cylinder 15, the bottom of the electric hydraulic cylinder 15 is fixedly connected to a movable plate 5, the movable plate 5 is provided with guide holes 6, the number of guide holes 6 is set to There are four guide posts 3 evenly distributed at the four corners of the movable plate 5. The guide posts 3 are located inside the guide holes 6. When the movable plate 5 moves up and down, the guide posts 3 can form a limit to allow the movable plate 5 to move vertically. The bottom of the movable plate 5 is fixedly connected with an inner card block 7 and a sealing ring 8. The sealing ring 8 is located on the outside of the inner card block 7. The inner card block 7 is located above the battery tray body 2 and is engaged with the inner side wall of the battery tray body 2. The sealing ring 8 is located above the battery tray body 2. When the movable plate 5 moves down, the inner card block 7 is engaged with the inside of the battery tray body 2. The sealing ring 8 forms a sealed environment between the movable plate 5 and the battery tray body 2. The top of the movable plate 5 is fixedly connected with an air pressure detector 9 and a three-way pipe 10. The three-way pipe 10 and the air pressure detector 9 are relatively arranged on the left and right sides of the electric hydraulic cylinder 15. The bottoms of the three-way pipe 10 and the air pressure detector 9 pass through the movable plate 5 and the inner block 7. The bottom of the air pressure detector 9 is provided with an air pressure sensor, and is located below the inner block 7 for detecting the internal air pressure of the battery tray body 2. The top of the air pressure detector 9 is provided with a barometer, and is located at the movable plate 5. Above the plate 5, it is used to display the internal air pressure of the battery tray body 2. A front exhaust pipe 11 is provided on the front side of the tee pipe 10. A front solenoid valve 12 is fixedly connected to the circumferential surface of the front exhaust pipe 11. When the front solenoid valve 12 is opened, the gas in the battery tray body 2 can be discharged, making it convenient to remove the battery tray body 2. A connecting pipe 13 is fixedly connected to the top of the tee pipe 10. The connecting pipe 13 is a hose. A side solenoid valve 14 is fixedly connected to the circumferential surface of the connecting pipe 13. An air pump 16 is fixedly connected to the end of the connecting pipe 13 away from the tee pipe 10.

[0023] The bottom of the air pump 16 is fixedly connected to the workbench 1, and the top of the workbench 1 is fixedly connected to a controller 17. The controller 17 is located in front of the air pump 16. The controller 17 is electrically connected to the air pump 16, the electric hydraulic cylinder 15, the front solenoid valve 12 and the side solenoid valve 14, and is used to control the operation of each component to make the operation more convenient. The bottom of the workbench 1 is fixedly connected to a pillar 18. There are four pillars 18, which are symmetrically distributed at the four corners of the bottom of the workbench 1.

[0024] Working principle: When conducting the test, place the battery tray body 2 in the placement slot of the workbench 1, and then start the electric hydraulic cylinder 15 through the controller 17 to press the movable plate 5 downward, so that the internal blocking block 7 is stuck in the interior of the battery tray body 2. The sealing ring 8 is located above the battery tray body 2, and the movable plate 5 and the battery tray body 2 form a sealed environment. After starting the air pump 16, observe the value on the air pressure detector 9. If there is no change, it means that the air tightness is good. Then open the front solenoid valve 12 to discharge the gas in the battery tray body 2, and remove it to complete the test.

[0025] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A battery tray airtightness detection device, comprising: A workbench (1) is characterized in that a placement groove is provided on the top of the workbench (1), a battery tray body (2) is placed in the placement groove, a guide column (3) is fixedly connected to the top of the workbench (1), the number of the guide columns (3) is set to four and symmetrically distributed at the four corners of the placement groove, the top of the guide column (3) is fixedly connected to a top plate (4), the bottom of the top plate (4) is fixedly connected to an electric hydraulic cylinder (15), the bottom of the electric hydraulic cylinder (15) is fixedly connected to a movable plate (5), the movable plate (5) is provided with a guide hole (6), the number of the guide holes (6) is set to four and evenly distributed at the four corners of the movable plate (5). The bottom of the movable plate (5) is fixedly connected to an inner clamping block (7) and a sealing ring (8), the sealing ring (8) is located on the outside of the inner clamping block (7), the top of the movable plate (5) is fixedly connected to an air pressure detector (9) and a three-way pipe (10), the front side of the three-way pipe (10) is provided with a front exhaust pipe (11), the circumferential surface of the front exhaust pipe (11) is fixedly connected to a front solenoid valve (12), the top of the three-way pipe (10) is fixedly connected to a connecting pipe (13), the circumferential surface of the connecting pipe (13) is fixedly connected to a side solenoid valve (14), and the end of the connecting pipe (13) away from the three-way pipe (10) is fixedly connected to an air pump (16).

2. The battery tray airtightness detection device according to claim 1, characterized in that: The bottom of the air pump (16) is fixedly connected to the workbench (1), and the top of the workbench (1) is fixedly connected to a controller (17). The controller (17) is located in front of the air pump (16). The controller (17) is electrically connected to the air pump (16), the electric hydraulic cylinder (15), the front solenoid valve (12), and the side solenoid valve (14).

3. The battery tray airtightness detection device according to claim 1, characterized in that: The inner clamping block (7) is located above the battery tray body (2) and is clamped with the inner side wall of the battery tray body (2); the sealing ring (8) is located above the battery tray body (2).

4. The battery tray airtightness detection device according to claim 1, characterized in that: The three-way pipe (10) and the air pressure detector (9) are relatively arranged on the left and right sides of the electric hydraulic cylinder (15), and the bottoms of the three-way pipe (10) and the air pressure detector (9) pass through the movable plate (5) and the inner clamping block (7).

5. The battery tray airtightness detection device according to claim 1, characterized in that: The bottom of the air pressure detector (9) is provided with an air pressure sensor, and is located below the inner clamping block (7); the top of the air pressure detector (9) is provided with an air pressure gauge, and is located above the movable plate (5).

6. The battery tray airtightness detection device according to claim 1, characterized in that: The guide column (3) is located inside the guide hole (6).

7. The battery tray airtightness detection device according to claim 1, characterized in that: The connecting pipe (13) is a hose.

8. The battery tray airtightness detection device according to claim 1, characterized in that: The bottom of the workbench (1) is fixedly connected with pillars (18), and the number of the pillars (18) is set to four and symmetrically distributed at the four corners of the bottom of the workbench (1).

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