CN113324712A - Air tightness detection table for upper cover of automobile battery - Google Patents
Air tightness detection table for upper cover of automobile battery Download PDFInfo
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- CN113324712A CN113324712A CN202110769549.7A CN202110769549A CN113324712A CN 113324712 A CN113324712 A CN 113324712A CN 202110769549 A CN202110769549 A CN 202110769549A CN 113324712 A CN113324712 A CN 113324712A
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- upper cover
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 230000009467 reduction Effects 0.000 claims description 16
- 238000012360 testing method Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 239000002861 polymer material Substances 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 210000002414 leg Anatomy 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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Abstract
The invention discloses an automobile battery upper cover air tightness detection platform, which relates to the technical field of automobile upper cover detection equipment and comprises a support plate, wherein a PLC control cabinet is installed on the support plate, the upper end of the support plate is fixedly connected with a detection platform which is horizontally arranged, and a battery upper cover placing groove for placing a battery upper cover is formed in the detection platform. At least one adjustable clamp assembly is arranged on the supporting plate and extends to the upper end of the battery upper cover placing groove. The detection table is provided with a central slot. According to the invention, the adjustable clamp assembly is arranged, the ball screw can be driven to rotate through the servo motor, the ball screw drives the ball nut in threaded connection with the ball screw to axially displace, the ball nut drives the sliding block on the ball screw to axially displace, and when the number of the sliding blocks is multiple, the sliding blocks can be synchronously driven to leftwards or rightwards displace, so that the positions of the sliding blocks and the battery upper cover clamps on the sliding blocks can be adjusted, and the flexibility is good.
Description
Technical Field
The invention relates to the technical field of automobile upper cover detection equipment, in particular to an automobile battery upper cover air tightness detection table.
Background
With the development of electric vehicles, the safety of the whole vehicle is directly affected by the vehicle battery as a core component of a pure electric vehicle. The development of the automobile battery needs to fully consider various factors, and the design requirements on the strength, rigidity, heat dissipation, water resistance, insulation and the like of the upper cover of the battery are high, so that the air tightness test of the upper cover of the battery is very important. With the improvement of the yield of the automobile battery and the requirement on the upper cover of the battery, a simple water detection method becomes more and more impractical, and the method for testing the airtightness of the upper cover of the battery box by using the airtightness testing equipment is more and more trusted by people.
For example, a device for detecting the airtightness of an upper cover of a battery case disclosed in publication No. CN208795440U includes an upper cover of a battery case, a frame, a pressing frame, a plurality of hydraulic cylinders, a bottom plate, and a pneumatic unit; the pressing frame is arranged in the rack and can move up and down along the rack, and the pressing frame is fixed below the pressing frame; the hydraulic cylinders are all fixed at the top of the frame, and the piston of each hydraulic cylinder is fixedly connected with the pressing frame; the pneumatic unit comprises a PLC controller, a plurality of pressure regulating valves, an electromagnetic valve, a throttle valve, a pressure transmitter and a display screen; the PLC is respectively connected with the electromagnetic valve, the throttle valve and the pressure transmitter; the pressure regulating valves, the electromagnetic valve, the throttle valve, the pressure transmitter and the display screen are sequentially connected; and the pressure transmitter is communicated with the upper cover of the battery box. The utility model discloses an automatic airtight detection, through measuring gas leakage quantity, judge battery case upper cover sealing performance.
Although the scheme can detect the automobile pressure, the detection means is conventional, and the air tightness requirement in the automobile running state cannot be simulated.
Disclosure of Invention
The invention aims to solve the problems and provides an automobile battery upper cover air tightness detection table.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a car battery upper cover gas tightness detects platform, includes the backup pad, a plurality of supporting legss of bottom fixedly connected with of backup pad, install the PLC switch board in the backup pad, the upper end fixedly connected with level of backup pad sets up examines the platform, examine and set up the battery upper cover standing groove that is used for placing the battery upper cover on the platform.
At least one adjustable clamp assembly is arranged on the supporting plate and extends to the upper end of the battery upper cover placing groove.
The detection table is provided with a central slot, a pipeline for detecting air tightness and inflating air is arranged in the central slot, the pipeline is connected with an air pump and a pressure sensor, and the air pump and the pressure sensor are electrically connected with the PLC control cabinet.
Optionally, the adjustable clamp assembly comprises a servo motor, a slide rail, a ball screw, a slider, a ball nut and a battery upper cover clamp;
slide rail fixed connection is in the backup pad, servo motor is connected with the PLC switch board electricity, servo motor installs the tip at the slide rail, ball rotates to be connected in the slide rail to the clearance passes slide rail and servo motor's output shaft fixed connection, slider sliding connection is on the slide rail, the slider is connected with ball nut's surface fixed, ball nut and ball screw threaded connection, the upper end at the slider is installed to the battery upper cover anchor clamps.
Optionally, the battery upper cover clamp comprises a cylinder, a connecting block, a connecting rod, a mounting plate and a pressing plate;
the cylinder fixed connection is on the slider, the output pole of cylinder rotates and is connected with the connecting rod, the middle part of connecting rod rotates and is connected with the connecting block, connecting block fixed connection is on the cylinder, the one end and the mounting panel fixed connection of cylinder are kept away from to the connecting rod, mounting panel and clamp plate fixed connection.
Optionally, the pressing plate is of a rectangular structure, the pressing plate is made of a polymer material, and a rubber pad is glued to the bottom end of the pressing plate.
Optionally, a gas turbulence assembly is further disposed in the central slot.
Optionally, the gas turbulence assembly comprises a sleeve, a bearing, a fixing rod and a blade, a driving motor and a reduction gearbox;
the outer surface of the sleeve is provided with at least one fixed rod, and blades are fixedly connected to the fixed rods;
the sleeve is arranged on the reduction gearbox through a bearing and extends into the reduction gearbox to be in transmission connection with the reduction gearbox, the reduction gearbox is in transmission connection with an output shaft of a driving motor, and the driving motor is electrically connected with the PLC control cabinet.
Optionally, the number of the fixing rods is three, the three fixing rods are radially arranged on the side face of the sleeve at equal intervals, the blades are of a rectangular structure, and the blades are radially arranged on the side face of the fixing rods.
The invention has the following advantages:
according to the invention, the adjustable clamp assembly is arranged, the ball screw can be driven to rotate through the servo motor, the ball screw drives the ball nut in threaded connection with the ball screw to axially displace, the ball nut drives the sliding block on the ball screw to axially displace, and when the number of the sliding blocks is multiple, the sliding blocks can be synchronously driven to leftwards or rightwards displace, so that the positions of the sliding blocks and the battery upper cover clamps on the sliding blocks can be adjusted, and the flexibility is good.
According to the invention, the battery upper cover clamp is arranged, the cylinder drives one end of the connecting rod to tilt, and the middle part of the connecting block is rotatably connected with the connecting block, so that the connecting rod moves according to the lever principle, and finally the mounting plate and the pressing plate are driven to press and fix the edge of the battery upper cover on the detection table, thereby preventing gas from escaping from the edge of the battery upper cover.
According to the invention, the gas turbulence assembly is arranged, and the blades can drive local gas to move when rotating, so that turbulence is generated, the airtightness of the upper cover of the battery is detected through turbulence, the detection intensity is higher, and the irregular movement state of the automobile in a running state can be simulated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a bottom view of the present invention;
FIG. 4 is a schematic view of an adjustable clamp assembly of the present invention;
FIG. 5 is a schematic view of a battery top cover clamp of the present invention;
FIG. 6 is a schematic view of a gas turbulence apparatus according to the present invention.
In the figure: the device comprises a supporting plate 1, supporting legs 2, a PLC control cabinet 3, a detection table 4, a battery upper cover placing groove 5, an adjustable clamp assembly 6, a servo motor 61, a sliding rail 62, a ball screw 63, a sliding block 64, a ball nut 65, a battery upper cover clamp 66, a 661 cylinder, a 662 connecting block 663 connecting rod 664 mounting plate 665 a pressing plate 7 center groove, a gas turbulence assembly 8, a sleeve 81, a bearing 82 83, a fixing rod 84 blade and a pipeline 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-3, an automobile battery upper cover airtightness detection platform comprises a supporting plate 1, wherein a plurality of supporting legs 2 are fixedly connected to the bottom end of the supporting plate 1, a PLC control cabinet 3 is installed on the supporting plate 1, a detection platform 4 horizontally arranged is fixedly connected to the upper end of the supporting plate 1, and a battery upper cover placing groove 5 used for placing a battery upper cover is formed in the detection platform 4.
Referring to fig. 4, at least one adjustable jig assembly 6 is provided on the support plate 1, and the adjustable jig assembly 6 extends to the upper end of the battery upper cover placing groove 5. The adjustable clamp assembly 6 comprises a servo motor 61, a slide rail 62, a ball screw 63, a slide block 64, a ball nut 65 and a battery upper cover clamp 66, and the specific connection mode is as follows:
The principle of the adjustable clamp assembly 6 is as follows: can drive ball 63 through servo motor 61 and rotate, ball 63 drives the ball nut 65 axial displacement of threaded connection with it, and ball nut 65 drives slider 64 axial displacement on it, and the quantity of slider 64 is a plurality of, can drive a plurality of sliders 64 left or right displacement in step to can adjust the position at slider 64 and battery upper cover anchor clamps 66 place on it, the flexibility is better.
Referring to fig. 5, the battery upper cover jig 66 includes a cylinder 661, a connection block 662, a connection rod 663, a mounting plate 664, and a pressure plate 665; air cylinder 661 fixed connection is on slider 64, and the output pole of air cylinder 661 rotates and is connected with connecting rod 663, and the middle part of connecting rod 663 rotates and is connected with connecting block 662, and connecting block 662 fixed connection is on air cylinder 661, and the one end and the mounting panel 664 fixed connection of air cylinder 661 are kept away from to connecting rod 663, mounting panel 664 and clamp plate 665 fixed connection.
In foretell battery upper cover anchor clamps 66, clamp plate 665 adopts the rectangle structure, and clamp plate 665 adopts the polymer material, and the bottom veneer of clamp plate 665 has the rubber pad, and polymer material hardness reduction weight avoids causing wearing and tearing to the surface of battery upper cover lighter, and the setting up of rubber pad can increase frictional force on the one hand and makes the fixed more stable of clamp plate 665, and on the other hand can further protect the junction of battery upper cover and clamp plate 665.
The principle of the battery upper cover clamp 66 is as follows: drive the one end perk of connecting rod 663 through cylinder 661, because the middle part and the connecting block 662 of connecting block 663 rotate to be connected, therefore connecting rod 663 moves according to lever principle to finally drive mounting panel 664 and clamp plate 665 to push down and press the edge of examining the battery upper cover on the platform 4 fixedly, because gas usually escapes from the side of battery upper cover, therefore to the edge of battery upper cover carry out the centre gripping can.
Detect and seted up central fluting 7 on the platform 4, be provided with in the central fluting 7 and be used for the gas tightness to detect gas filled pipeline 9, pipeline 9 is connected with air pump and pressure sensor, air pump and pressure sensor are connected with PLC switch board 3 electricity, and the air pump is used for filling gas to it after the battery upper cover is fixed, and pressure sensor is used for monitoring pressure variation, still can further set up pressure regulating valve, can adjust pressure to the trace level to the steady voltage tests.
Example two
In fig. 1-3 and fig. 6, a gas turbulence assembly 8 is further disposed in the central slot 7, the gas turbulence assembly 8 includes a sleeve 81, a bearing 82, a fixing rod 83, a blade 84, a driving motor 10 and a reduction gearbox 11, and the specific connection manner is as follows:
the surface of sleeve 81 is provided with at least one dead lever 83, fixedly connected with blade 84 on the dead lever 83, and the effect of dead lever 83 lies in following sleeve 81 and is driven, and the effect of blade 84 lies in, and it can drive local gas motion when blade 84 rotates to produce the turbulent flow, detect the gas tightness of battery upper cover through the turbulent flow, detect intensity higher, thereby can simulate the irregular motion state under the automobile driving state.
The sleeve 81 is arranged on the outer surface of the pipeline 9 in a clearance sleeved mode, the sleeve 81 is arranged on the reduction gearbox 11 through a bearing 82 and extends into the reduction gearbox 11 to be in transmission connection with the reduction gearbox 11, the reduction gearbox 11 is in transmission connection with an output shaft of the driving motor 10, the driving motor 10 is electrically connected with the PLC control cabinet 3, the rotating speed of the driving motor 10 is driven through the PLC control cabinet, therefore, the movement strength of the gas turbulence component 8 can be controlled, and different strengths can be adjusted according to battery upper covers of different sizes.
In this embodiment, the number of the fixing rods 83 is three, the three fixing rods 83 are radially disposed on the side of the sleeve 81 at equal intervals, the blades 84 are rectangular, the blades 84 are radially disposed on the side of the fixing rods 83, and the blades 84 are radially disposed on the fixing rods 83, so that the surrounding air can be driven to move in a maximum area.
The above description is only a preferred embodiment of the present invention, and not intended to be exhaustive or to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (7)
1. The automobile battery upper cover air tightness detection table comprises a support plate (1), wherein the bottom end of the support plate (1) is fixedly connected with a plurality of support legs (2), and is characterized in that a PLC control cabinet (3) is installed on the support plate (1), the upper end of the support plate (1) is fixedly connected with a detection table (4) which is horizontally arranged, and a battery upper cover placing groove (5) for placing a battery upper cover is formed in the detection table (4);
at least one adjustable clamp assembly (6) is arranged on the supporting plate (1), and the adjustable clamp assembly (6) extends to the upper end of the battery upper cover placing groove (5);
the air tightness detection device is characterized in that a central groove (7) is formed in the detection table (4), a pipeline (9) used for air tightness detection and inflation is arranged in the central groove (7), the pipeline (9) is connected with an air pump and a pressure sensor, and the air pump and the pressure sensor are electrically connected with the PLC control cabinet (3).
2. The upper battery cover airtightness testing table according to claim 1, wherein the adjustable clamp assembly (6) comprises a servo motor (61), a slide rail (62), a ball screw (63), a slide block (64), a ball nut (65), and an upper battery cover clamp (66);
slide rail (62) fixed connection is on backup pad (1), servo motor (61) are connected with PLC switch board (3) electricity, the tip at slide rail (62) is installed in servo motor (61), ball (63) rotate to be connected in slide rail (62) to the clearance passes slide rail (62) and servo motor (61) output shaft fixed connection, slider (64) sliding connection is on slide rail (62), the surface fixed connection of slider (64) and ball nut (65), ball nut (65) and ball (63) threaded connection, the upper end at slider (64) is installed in battery upper cover anchor clamps (66).
3. The upper battery cover airtightness testing table according to claim 2, wherein said upper battery cover clamp 66 includes an air cylinder 661, a connecting block 662, a connecting rod 663, a mounting plate 664 and a pressure plate 665;
the pneumatic cylinder 661 fixed connection is on slider 64, the output pole of pneumatic cylinder 661 rotates and is connected with connecting rod 663, the middle part of connecting rod 663 rotates and is connected with connecting block 662, connecting block 662 fixed connection is on pneumatic cylinder 661, the one end and the mounting panel 664 fixed connection of pneumatic cylinder 661 are kept away from to connecting rod 663, mounting panel 664 and clamp plate 665 fixed connection.
4. The upper cover airtightness testing table according to claim 3, wherein the pressing plate 665 has a rectangular structure, the pressing plate 665 is made of a polymer material, and a rubber pad is glued to a bottom end of the pressing plate 665.
5. The upper cover airtightness testing table for automobile batteries according to claim 1, wherein a gas turbulence member 8 is further provided in the central groove 7.
6. The upper cover air-tightness detecting table of the automobile battery according to claim 5, characterized in that the air turbulence assembly (8) comprises a sleeve (81), a bearing (82), a fixing rod (83) and a blade (84), a driving motor (10) and a reduction box (11);
the outer surface of the sleeve (81) is provided with at least one fixed rod (83), and blades (84) are fixedly connected to the fixed rod (83);
the sleeve (81) is sleeved on the outer surface of the pipeline (9) in a clearance mode, the sleeve (81) is arranged on the reduction gearbox (11) through the bearing (82) and extends into the reduction gearbox to be in transmission connection with the reduction gearbox (11), the reduction gearbox (11) is in transmission connection with an output shaft of the driving motor (10), and the driving motor (10) is electrically connected with the PLC control cabinet (3).
7. The upper battery cover airtightness testing table according to claim 6, wherein the number of the fixing rods (83) is three, three fixing rods (83) are radially arranged on the side of the sleeve (81) at equal intervals, the blades (84) are rectangular in structure, and the blades (84) are radially arranged on the side of the fixing rods (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110769549.7A CN113324712A (en) | 2021-07-07 | 2021-07-07 | Air tightness detection table for upper cover of automobile battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110769549.7A CN113324712A (en) | 2021-07-07 | 2021-07-07 | Air tightness detection table for upper cover of automobile battery |
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| Publication Number | Publication Date |
|---|---|
| CN113324712A true CN113324712A (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110769549.7A Pending CN113324712A (en) | 2021-07-07 | 2021-07-07 | Air tightness detection table for upper cover of automobile battery |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208795440U (en) * | 2018-08-13 | 2019-04-26 | 福建海源新材料科技有限公司 | A kind of battery box cover air-tightness detection device |
| CN110646146A (en) * | 2019-02-19 | 2020-01-03 | 杭州隆湖机电科技有限公司 | New energy automobile battery case shell gas tightness detection device |
| CN211192673U (en) * | 2019-11-14 | 2020-08-07 | 合肥源阔科技有限公司 | Welding fixture for maintenance of agricultural machinery |
| CN211504565U (en) * | 2020-03-31 | 2020-09-15 | 单科动力技术(昆山)有限公司 | Air leakage detection device of new energy automobile battery box cover |
| CN215065066U (en) * | 2021-07-07 | 2021-12-07 | 合肥兴海元能源科技有限公司 | Air tightness detection table for upper cover of automobile battery |
-
2021
- 2021-07-07 CN CN202110769549.7A patent/CN113324712A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208795440U (en) * | 2018-08-13 | 2019-04-26 | 福建海源新材料科技有限公司 | A kind of battery box cover air-tightness detection device |
| CN110646146A (en) * | 2019-02-19 | 2020-01-03 | 杭州隆湖机电科技有限公司 | New energy automobile battery case shell gas tightness detection device |
| CN211192673U (en) * | 2019-11-14 | 2020-08-07 | 合肥源阔科技有限公司 | Welding fixture for maintenance of agricultural machinery |
| CN211504565U (en) * | 2020-03-31 | 2020-09-15 | 单科动力技术(昆山)有限公司 | Air leakage detection device of new energy automobile battery box cover |
| CN215065066U (en) * | 2021-07-07 | 2021-12-07 | 合肥兴海元能源科技有限公司 | Air tightness detection table for upper cover of automobile battery |
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