CN112033612A - Helium detector for automobile storage battery box - Google Patents
Helium detector for automobile storage battery box Download PDFInfo
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- CN112033612A CN112033612A CN202011111099.4A CN202011111099A CN112033612A CN 112033612 A CN112033612 A CN 112033612A CN 202011111099 A CN202011111099 A CN 202011111099A CN 112033612 A CN112033612 A CN 112033612A
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- battery box
- helium
- storage battery
- box
- vacuum
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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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/202—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material using mass spectrometer detection systems
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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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/202—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material using mass spectrometer detection systems
- G01M3/205—Accessories or associated equipment; Pump constructions
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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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/226—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a helium detector for an automobile storage battery box, which comprises a table frame, wherein a working part is arranged on the table frame, the working part comprises an installation plate, the installation plate is fixedly installed on the table frame, a front and rear transplanting device, a vacuum box and a leakage detection device are arranged at the top of the installation plate, the front and rear transplanting device is used for installing and moving the storage battery box, the vacuum box is used for fixing and plugging the storage battery box, and the leakage detection device is used for detecting whether the storage battery box leaks gas or not. According to the invention, through arranging the front and rear transplanting devices, the vacuum box and the leakage detection device, the battery box can be moved, sealed, vacuumized, filled with helium gas, detected for helium gas leakage and the like, so that the tightness of the battery box is detected, and meanwhile, the detection is more sensitive and accurate by using the helium gas as the detection gas.
Description
Technical Field
The invention relates to the technical field of a helium detector for a storage battery box, in particular to a helium detector for an automobile storage battery box.
Background
With the development of electric vehicles, the power battery Pack as a core component of a pure electric vehicle directly influences the safety of the whole vehicle. The development of the battery Pack needs to fully consider various factors, needs to learn and absorb advanced technical experiences at home and abroad, and repeatedly verifies and optimizes the design scheme. Therefore, the design requirements on the strength, rigidity, heat dissipation, water resistance, insulation and the like of the battery box body are high, and the design and the tightness test of the battery box body are very important. The air tightness leak detector has strong regularity, can trace data, can trace the product state or data when the product leaves a factory at first when a problem occurs, has low subjectivity, does not depend on an operator, and the like.
At present, the mainstream battery Pack airtightness test is to divide the main test pressure into positive pressure or negative pressure, the material of the Pack is thin, and the bearable pressure is small, so that the Pack can only accept the test pressure of several Kpa or dozens of Kpa generally. The test results are also generally around 100Pa or 5 ml/min. However, in the actual experimental process, the pressure difference method has poor stability and repeatability when the product volume is large and the area of the air contact surface is large. Although the same product can be used as a comparison part, the general customers cannot select a test method for adding the comparison part due to the large variety of battery Pack products. More and more customers are therefore beginning to use the positive pressure method (pipette method) of helium mass spectrometer leak detectors for detection.
Therefore, a helium detector for a vehicle battery box is provided to solve the above problems.
Disclosure of Invention
The invention aims to provide a helium detector for an automobile storage battery box, which can realize the movement, sealing, vacuumizing, helium filling, helium leakage detection and the like of the storage battery box by arranging a front transplanting device, a rear transplanting device, a vacuum box and a leakage detection device, thereby realizing the tightness detection of the storage battery box.
The invention provides a specific technical scheme as follows:
the utility model provides a machine is examined to car battery box helium, includes the table frame, be equipped with work portion on the table frame, work portion includes the mounting panel, mounting panel fixed mounting is in on the table frame, transplanting device, vacuum box and detection leakage means around the top of mounting panel is equipped with, around transplanting device be used for the installation with remove the battery box, the vacuum box is used for fixing and shutoff battery box, it is used for detecting whether gas leakage of battery box to detect leakage means.
As a further improvement of the invention, the front and rear transplanting device comprises a bottom plugging plate, the bottom plugging plate is arranged above the mounting plate and used for mounting and plugging a storage battery box, two stretching cylinders are fixedly mounted at the top of the mounting plate, output shafts of the two stretching cylinders are fixedly connected with the bottom plugging plate, three guide rails are fixedly mounted at the top of the mounting plate, three sliding blocks are fixedly mounted at the bottom of the bottom plugging plate, and the three sliding blocks are respectively slidably mounted on the corresponding guide rails.
As a further improvement of the present invention, an annular groove is formed in the top of the bottom plugging plate, the annular groove is used for placing the storage battery box, a plurality of lower plugs are installed on the top of the bottom plugging plate, and the plurality of lower plugs are used for plugging corresponding openings of the storage battery box.
As a further improvement of the invention, a code scanning transplanting device is fixedly mounted at the top of the vacuum box and comprises a transplanting cylinder, a movable plate is fixedly mounted on an output shaft of the transplanting cylinder, a code scanning nozzle is fixedly mounted on a bottom plate of the movable plate, and the code scanning nozzle is used for spraying codes on the storage battery box.
As a further improvement of the invention, the leakage detection device comprises a robot arm, the robot arm is arranged at the top of the mounting plate, and a suction gun device is arranged on the robot arm and is used for detecting helium gas around the storage battery box.
As a further improvement of the invention, two telescopic cylinders are symmetrically arranged at the bottom of the mounting plate, output shafts of the two telescopic cylinders are fixedly connected with the vacuum box, the two telescopic cylinders are used for lifting the vacuum box, two four sliding rods are fixedly arranged at the bottom of the mounting plate, and the four sliding rods penetrate through the vacuum box and are in sliding connection with the vacuum box.
As a further improvement of the present invention, a balance detection device and a presence/absence detection device are fixedly mounted on the top of the mounting plate, the balance detection device is used for detecting whether the battery box is in a horizontal state, and the presence/absence detection device is used for detecting whether the battery box is present on the bottom blocking plate.
As a further improvement of the invention, one side of the vacuum box is provided with two rear plugging heads which are used for plugging the storage battery box, one side of the vacuum box is fixedly provided with a marking device, the marking device comprises a marking cylinder and a marking head, the marking head is fixedly arranged on an output shaft of the marking cylinder, the marking device is used for marking the storage battery box, one side of the vacuum box is fixedly provided with a helium filling port, an air filling port, two emptying devices, a pressure detection device and a helium concentration detection device, the helium gas filling port is used for filling helium gas into the storage battery box, the air filling port is used for filling air into the storage battery box, the two emptying devices are used for emptying gas in the storage battery, the pressure detection device is used for detecting the gas pressure in the storage battery box, and the helium concentration detection device is used for detecting the concentration of helium in the storage battery box.
As a further improvement of the invention, four elastic pressing devices are arranged in the vacuum box, the four elastic pressing devices are distributed in a rectangular array and used for pressing the storage battery box, each elastic pressing device comprises a fixed block, the fixed block is fixedly arranged at the top of the vacuum box, a bump is arranged on the fixed block in a threaded manner, a lifting rod is arranged on the bump and penetrates through the bump and is in sliding connection with the bump, a fixed plate is fixedly sleeved on the lifting rod, a spring is sleeved on the lifting rod, two ends of the spring are respectively and fixedly connected with the bottom of the bump and the top of the fixed plate, a threaded groove is formed in the bottom end of the lifting rod, a lead screw is arranged in the threaded groove in a threaded manner, a pressing plate is fixedly arranged at the bottom of the lead screw, and the lead screw is used for adjusting the height of the pressing plate, the pressing plate is in contact with the storage battery box, a nut is installed on the lead screw in a threaded mode, the nut is in contact with the bottom of the lifting rod, and the nut is used for locking the lead screw.
As a further improvement of the invention, a fan is fixedly arranged at the top of the table frame, an air suction pipe and an air outlet pipe are arranged on the fan, the air suction pipe is communicated with the table frame, and the fan is used for discharging helium.
The invention has the following beneficial effects:
(1) according to the helium detector for the automobile storage battery box, the front and rear transplanting devices, the vacuum box and the leakage detection device are arranged, so that the storage battery box can be moved, sealed, vacuumized, filled with helium, detected for helium leakage and the like, and the tightness of the storage battery box can be detected.
(2) According to the helium detector for the automobile storage battery box, the stretching cylinder is started, so that the bottom plugging plate can move, the storage battery box placed on the bottom plugging plate is driven, the storage battery box is driven to be right below the vacuum box, the three guide rails are matched with the three sliding blocks, the bottom plugging plate can be more stable to a certain extent, and the moving direction can only be along the direction of the guide rails.
(3) According to the helium detector for the automobile storage battery box, the storage battery box is placed in the annular groove in the bottom plugging plate, so that the storage battery box can be placed quickly, and the storage battery box can be plugged by the lower plugs.
(4) According to the helium detector for the automobile storage battery box, the mobile code scanning of the storage battery box can be realized by arranging the code scanning transplanting device, the transplanting cylinder is started, the movable plate can move to drive the code scanning nozzle to move, and the code scanning nozzle can move to code the storage battery box.
(5) According to the helium detector for the automobile storage battery box, the mechanical arm can drive the suction gun device to move around the vacuum box for a circle by operating the mechanical arm, so that whether the periphery of the storage battery box is air-leaked or not can be detected, and whether the storage battery box is air-leaked or not can be determined.
(6) According to the helium detector for the automobile storage battery box, the telescopic cylinder is arranged, so that the vacuum box can be lifted, when the storage battery box moves to the position below the vacuum box under the action of the front and rear transplanting devices, the telescopic cylinder is started, the vacuum box can move downwards and cover the storage battery box, the four sliding rods play a limiting role, and the vacuum box can move more stably.
(7) According to the helium detector for the automobile storage battery box, the balance detection device is arranged, so that the storage battery box can be horizontally detected, whether the storage battery box is placed horizontally can be determined, and subsequent detection is facilitated.
(8) The helium detector for the automobile storage battery box has the advantages that when the vacuum box covers the storage battery box, two rear plugging heads play a role in plugging the storage battery box, the marking device can mark the qualified storage battery box, air in the vacuum box is pumped out to enable the interior of the storage battery box to be in a vacuum state, helium is injected into the vacuum box through the helium filling port, the pressure detection device can detect the helium pressure in the vacuum box constantly, once the helium pressure in the vacuum box reaches a fixed value, the helium injection is stopped immediately, the helium concentration in the vacuum box can be detected through the helium concentration detection device, after the detection of the storage battery box is finished, the helium in the vacuum box is discharged through the two emptying devices, the helium is used as detection gas, and the lowest detectable leakage rate under the vacuum condition is as follows: is less than 5 × 10 ^ (-13) Pa.m3And/s, and can be measured quantitatively.
(9) According to the helium detector for the automobile storage battery box, the elastic pressing device is arranged, so that the storage battery box can be pressed, a certain thrust can be exerted on the storage battery box while the vacuum box moves upwards, and the storage battery box is prevented from being brought up by the vacuum box.
(10) According to the helium detector for the automobile storage battery box, the fan and the air outlet pipe are arranged, so that helium gas used for detection cannot be discharged into the atmosphere, and the helium gas can be collected.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic front view of a helium inspection machine for an automotive battery case according to the present invention;
FIG. 2 is a schematic perspective view of the working part of the helium testing machine for the vehicle battery box according to the present invention;
FIG. 3 is a schematic diagram of the front view of the working part of the helium testing machine for the automobile accumulator box of the present invention;
FIG. 4 is a schematic structural diagram of a vacuum box in the helium inspection machine for the automobile storage battery box according to the present invention;
fig. 5 is a schematic structural diagram of an elastic pressing device in the helium detector for the automobile storage battery box.
1. The device comprises a table frame, 2, a working part, 3, a mounting plate, 4, a bottom plugging plate, 5, a stretching cylinder, 6, a guide rail, 7, a sliding block, 8, a vacuum box, 9, a telescopic cylinder, 10, a sliding rod, 11, a balance detection device, 12, a presence detection device, 13, a transplanting cylinder, 15, a code scanning spray head, 16, a robot arm, 17, a suction gun device, 18, a rear plugging head, 19, a marking device, 20, a helium filling port, 21, an air filling port, 22, an emptying device, 23, a pressure detection device, 24, a helium concentration detection device, 25, an elastic pressing device, 26, a fixed block, 27, a bump, 28, a lifting rod, 29, a fixed plate, 30, a spring, 31, a thread groove, 32, a screw rod, 33, a pressing plate, 34, a nut, 35, a fan, 36 and an air outlet pipe.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "fixed," "mounted," "connected," or "disposed" to another element, it can be directly on the other element or be indirectly on the other element. It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, are used merely to facilitate description of the present invention and to simplify description, and do not indicate or imply that the referenced devices or elements must have the particular orientations, configurations and operations described in the specification, and therefore are not to be considered limiting.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings:
referring to fig. 1-5, a machine is examined to car battery box helium, includes table frame 1, be equipped with work portion 2 on the table frame 1, work portion 2 includes mounting panel 3, mounting panel 3 fixed mounting be in on the table frame 1, transplanting device, vacuum chamber 8 and detection leakage apparatus around mounting panel 3's top is equipped with, around the transplanting device be used for the installation with remove the battery box, vacuum chamber 8 is used for fixing and shutoff battery box, it leaks gas whether the apparatus is used for detecting the battery box.
Through transplanting device, vacuum chamber 8 and detection leakage apparatus around setting up, thereby can realize the removal to the battery box, sealed, evacuation, fill with helium and detect helium leakage etc. and realized the leakproofness detection to the battery case.
In some embodiments of the invention, the front and back transplanting device comprises a bottom plugging plate 4, the bottom plugging plate 4 is arranged above the mounting plate 3, the bottom plugging plate 4 is used for mounting and plugging a storage battery box, two stretching cylinders 5 are fixedly mounted at the top of the mounting plate 3, output shafts of the two stretching cylinders 5 are fixedly connected with the bottom plugging plate 4, three guide rails 6 are fixedly mounted at the top of the mounting plate 3, three slide blocks 7 are fixedly mounted at the bottom of the bottom plugging plate 4, and the three slide blocks 7 are respectively slidably mounted on the corresponding guide rails 6.
Through starting tensile cylinder 5 for bottom closure plate 4 can remove, thereby drives and places the battery box on bottom closure plate 4, and drives the battery box under vacuum box 8, and three guide rail 6 and three slider 7 cooperate, can make bottom closure plate 4 certain more stable, and the moving direction can only be along the direction of guide rail 6.
In some embodiments of the present invention, an annular groove is formed at the top of the bottom blocking plate 4, the annular groove is used for placing a battery box, and a plurality of lower plugs are installed at the top of the bottom blocking plate 4 and are used for blocking corresponding openings of the battery box.
Through placing the battery box in the annular groove on bottom shutoff board 4, can realize placing fast of battery box, a plurality of lower end caps can realize the shutoff to battery box.
In some embodiments of the present invention, a code scanning and transplanting device is fixedly installed on the top of the vacuum box 8, the code scanning and transplanting device includes a transplanting cylinder 13, a moving plate 14 is fixedly installed on an output shaft of the transplanting cylinder 13, a code scanning nozzle 15 is fixedly installed on a bottom plate of the moving plate 14, and the code scanning nozzle 15 is used for spraying codes on the storage battery box.
Sweep a yard transplanting device through the setting and can realize sweeping the removal of battery box the sign indicating number, start transplanting cylinder 13, can make movable plate 14 remove, movable plate 14 removes and can drive and sweep a yard shower nozzle 15 and remove, sweeps a yard shower nozzle 15 and removes and can spout the sign indicating number to battery box.
In some embodiments of the present invention, the leakage detection device comprises a robot arm 16, the robot arm 16 is mounted on the top of the mounting plate 3, a suction gun device 17 is mounted on the robot arm 16, and the suction gun device 17 is used for detecting helium gas around the storage battery box.
By operating the mechanical arm 16, the mechanical arm 16 can drive the suction gun device to move around the vacuum box 8 for one circle, so that whether air leakage exists around the storage battery box can be detected, and whether air leakage exists in the storage battery box can be determined.
In some embodiments of the present invention, two telescopic cylinders 9 are symmetrically installed at the bottom of the mounting plate 3, output shafts of the two telescopic cylinders 9 are both fixedly connected with the vacuum box 8, the two telescopic cylinders 9 are both used for lifting the vacuum box 8, two four sliding rods 10 are fixedly installed at the bottom of the mounting plate 3, and the four sliding rods 10 all penetrate through the vacuum box 8 and are slidably connected with the vacuum box 8.
Through setting up telescopic cylinder 9, can realize the lift of vacuum box 8, when the battery box moved to vacuum box 8 below under front and back transplanting device's effect, start telescopic cylinder 9, can make vacuum box 8 move down and cover on the battery box, four slide bars 10 all play spacing effect, can make vacuum box 8 remove more stable.
In some embodiments of the present invention, a balance detection device 11 and a presence detection device 12 are fixedly mounted on the top of the mounting plate 3, the balance detection device 11 is used for detecting whether the battery box is in a horizontal state, and the presence detection device 12 is used for detecting whether the battery box is present on the bottom blocking plate 4.
Through setting up balanced detection device 11, can carry out the level detection to the battery box to can confirm whether the battery box is placed the level, so that follow-up detection has or not detection device 12 to be used for detecting whether there is the battery box on bottom shutoff board 4, thereby can realize automatic and unmanned operation.
In some embodiments of the present invention, two rear plugging heads 18 are disposed on one side of the vacuum box 8, both the rear plugging heads 18 are used for plugging a battery box, a marking device 19 is fixedly mounted on one side of the vacuum box 8, the marking device 19 includes a marking cylinder and a marking head, the marking head is fixedly mounted on an output shaft of the marking cylinder, the marking device 19 is used for marking the battery box, a helium gas filling port 20, an air filling port 21, two emptying devices 22, a pressure detection device 23 and a helium gas concentration detection device 24 are fixedly mounted on one side of the vacuum box 8, the helium gas filling port 20 is used for filling helium gas into the battery box, the air filling port 21 is used for filling air into the battery box, both the emptying devices 22 are used for emptying gas in the battery, the pressure detection device 23 is used for detecting gas pressure in the battery box, the helium concentration detection device 24 is used for detecting the concentration of helium in the storage battery box.
When the vacuum box is covered by 8When the battery box is installed, the two rear plugging heads 18 play a role in plugging the battery box, the marking device 19 can mark the qualified battery box, air in the vacuum box 8 is pumped out, the interior of the vacuum box is in a vacuum state, helium is injected into the vacuum box 8 through the helium filling port 20, the pressure detection device 23 can detect helium pressure in the vacuum box 8 at any time, once the helium pressure in the vacuum box 8 reaches a fixed value, the helium injection is stopped immediately, the helium concentration in the vacuum box 8 can be detected through the helium concentration detection device 24, after the battery box detection is finished, the helium in the vacuum box 8 is discharged from the vacuum box 8 through the two emptying devices 22, the helium is used as detection gas, and under the vacuum condition, the lowest detectable leakage rate is as follows: is less than 5 × 10 ^ (-13) Pa.m3And/s, and can be measured quantitatively.
In some embodiments of the present invention, four elastic pressing devices 25 are disposed in the vacuum box 8, the four elastic pressing devices 25 are distributed in a rectangular array, the elastic pressing devices 25 are used for pressing a battery box, each elastic pressing device includes a fixing block 26, the fixing block 26 is fixedly mounted on the top of the vacuum box 8, a protrusion 27 is mounted on the fixing block 26 in a threaded manner, a lifting rod 28 is disposed on the protrusion 27, the lifting rod 28 penetrates through the protrusion 27 and is slidably connected with the protrusion 27, a fixing plate 29 is fixedly mounted on the lifting rod 28, a spring 30 is sleeved on the lifting rod 28, two ends of the spring 30 are respectively fixedly connected with the bottom of the protrusion 27 and the top of the fixing plate 29, a threaded groove 31 is formed at the bottom end of the lifting rod 28, a lead screw 32 is mounted in the threaded groove 31, and a pressing plate 33 is fixedly mounted at the bottom of the lead screw 32, the screw rod 32 is used for adjusting the height of the pressing plate 33, the pressing plate 33 is in contact with the storage battery box, a nut 34 is installed on the screw rod 32 in a threaded mode, the nut 34 is in contact with the bottom of the lifting rod 28, and the nut 34 is used for locking the screw rod 32.
Through setting up elasticity closing device 25, can play the effect that compresses tightly to the battery box, simultaneously in vacuum box 8 rebound, also can play certain thrust to battery box 1, avoid the battery box to be taken up by vacuum box 8.
In some embodiments of the present invention, a fan 35 is fixedly installed on the top of the table frame 1, an air suction pipe and an air outlet pipe 36 are installed on the fan 35, the air suction pipe is communicated with the table frame 1, and the fan 35 is configured to discharge helium gas.
By arranging the fan 35 and the air outlet pipe 36, helium used for detection can not be discharged into the atmosphere, and the used helium can be collected.
The working principle of the invention is as follows: the helium detector for the automobile storage battery box comprises a storage battery box, a plurality of lower plugs, a stretching cylinder 5, a plurality of guide rails 6, a plurality of guide rails 7, a plurality of guide rails 6 and a plurality of guide rails 6, wherein the storage battery box is placed in an annular groove in a bottom plugging plate 4, the storage battery box can be placed quickly, the storage battery box can be plugged by the plurality of lower plugs, the stretching cylinder 5 is started again, the bottom plugging plate 4 can move, the storage battery box placed on the bottom plugging plate 4 is driven, the storage battery box is driven to be right below a vacuum box 8, the bottom plugging plate 4 can be more stable to a certain extent, and the moving direction can only be along the guide;
when the storage battery box moves to the position below the vacuum box 8 under the action of the front and rear transplanting devices, the telescopic cylinder 9 is started, the vacuum box 8 can move downwards and cover the storage battery box, and the four sliding rods 10 play a limiting role, so that the vacuum box 8 can move more stably;
when the vacuum box 8 covers the storage battery box, four elastic pressing plates are pressed and equalized on the storage battery box, at the moment, the pressing plates 33 are contacted with the storage battery box, the fixing blocks 26 are driven to move downwards under the action of the vacuum box 8, the fixing blocks 26 move downwards to drive the lugs 27 to move downwards, the lugs 27 move downwards to compress the helium gas filling openings 20, so that the helium gas filling openings 20 contract and have elasticity, the pressing plates 33 can push the storage battery box under the action of the elasticity on the fixing plates 29, the two rear plugging heads 18 can plug the storage battery box, the marking devices 19 can mark qualified storage battery boxes, air in the vacuum box 8 is pumped out, the interior of the vacuum box is in a vacuum state, helium gas is injected into the vacuum box 8 through the helium gas filling openings 20, the pressure detection devices 23 can detect helium gas pressure in the vacuum box 8 at any time, once the helium pressure in the vacuum box 8 reaches a fixed value, the helium injection is immediately stopped, the helium concentration in the vacuum box 8 can be detected by the helium concentration detection device 24, and after the detection of the storage battery box is finished, the helium in the vacuum box 8 is exhausted by the two emptying devices 22;
after the vacuum box 8 is filled with a certain amount of helium, the mechanical arm 16 is operated, so that the mechanical arm 16 can drive the suction gun device to move around the vacuum box 8 for a circle, whether the periphery of the storage battery box is air-leaked can be detected, and whether the storage battery box is air-leaked can be determined;
when the detected storage battery box is qualified, the transplanting cylinder 13 is started, the movable plate 14 can be moved, the movable plate 14 can drive the code scanning nozzle 15 to move, the code scanning nozzle 15 can move to code the storage battery box, the detected helium gas is discharged, and at the moment, the fan 35 is started to suck the helium gas in the table frame 1 into the air outlet pipe 36 and collect the helium gas.
In conclusion, the helium detector for the automobile storage battery box, provided by the invention, can realize the movement, sealing, vacuumizing, helium filling, helium leakage detection and the like of the storage battery box by arranging the front and rear transplanting devices, the vacuum box 8 and the leakage detection device, so that the tightness of the storage battery box is detected, and meanwhile, the helium is used as the detected gas, so that the detection is more sensitive and accurate.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a machine is examined to car battery box helium, includes the table frame, be equipped with work portion on the table frame, work portion includes the mounting panel, mounting panel fixed mounting is in on the table frame, transplanting device, vacuum box and detection leakage means around the top of mounting panel is equipped with, around transplanting device be used for the installation with remove the battery box, the vacuum box is used for fixing and shutoff battery box, it is used for detecting whether gas leakage of battery box to detect leakage means.
2. The vehicle battery box helium inspection machine of claim 1, wherein: front and back transplanting device includes the bottom closure plate, the bottom closure plate is located the top of mounting panel, the bottom closure plate is used for installation and shutoff battery box, the top fixed mounting of mounting panel has two tensile cylinders, two the output shaft of tensile cylinder all with bottom closure plate fixed connection, the top fixed mounting of mounting panel has three guide rail, the bottom fixed mounting of bottom closure plate has three slider, and is three the slider is slidable mounting respectively on corresponding guide rail.
3. The vehicle battery box helium inspection machine of claim 2, wherein: the top of bottom closure plate has seted up annular groove, annular groove is used for placing the battery box, a plurality of end caps down are installed at the top of bottom closure plate, and is a plurality of the end cap is used for the shutoff down the corresponding opening of battery box.
4. The vehicle battery box helium inspection machine of claim 1, wherein: a yard transplanting device is swept to vacuum chamber's top fixed mounting, sweep a yard transplanting device including transplanting the cylinder, fixed mounting has the movable plate on transplanting the output shaft of cylinder, the bottom plate fixed mounting of movable plate sweeps a yard shower nozzle, it is used for spouting the sign indicating number to the battery box to sweep a yard shower nozzle.
5. The vehicle battery box helium inspection machine of claim 1, wherein: the leakage detection device comprises a robot arm, the robot arm is installed at the top of the mounting plate, a suction gun device is installed on the robot arm and used for detecting helium on the periphery of the storage battery box.
6. The vehicle battery box helium inspection machine of claim 1, wherein: two telescopic cylinder, two of the bottom symmetry installation of mounting panel telescopic cylinder's output shaft all with vacuum chamber fixed connection, two telescopic cylinder all is used for going up and down the vacuum chamber, the bottom fixed mounting of mounting panel has two four slide bars, four the slide bar all runs through the vacuum chamber and with vacuum chamber sliding connection.
7. The vehicle battery box helium inspection machine of claim 2, wherein: the top fixed mounting of mounting panel has balanced detection device and has or not detection device, balanced detection device is used for detecting whether the battery box is in the horizontality, whether there is or not detection device to be used for detecting whether the battery box exists on the bottom closure plate.
8. The vehicle battery box helium inspection machine of claim 1, wherein: one side of the vacuum box is provided with two rear plugging heads which are used for plugging the storage battery box, one side of the vacuum box is fixedly provided with a marking device, the marking device comprises a marking cylinder and a marking head, the marking head is fixedly arranged on an output shaft of the marking cylinder, the marking device is used for marking the storage battery box, one side of the vacuum box is fixedly provided with a helium filling port, an air filling port, two emptying devices, a pressure detection device and a helium concentration detection device, the helium gas filling port is used for filling helium gas into the storage battery box, the air filling port is used for filling air into the storage battery box, the two emptying devices are used for emptying gas in the storage battery, the pressure detection device is used for detecting the gas pressure in the storage battery box, and the helium concentration detection device is used for detecting the concentration of helium in the storage battery box.
9. The vehicle battery box helium inspection machine of claim 1, wherein: the vacuum box is internally provided with four elastic pressing devices which are distributed in a rectangular array, the elastic pressing devices are used for pressing the storage battery box and comprise fixed blocks, the fixed blocks are fixedly arranged at the top of the vacuum box, lugs are arranged on the fixed blocks in a threaded manner, lifting rods are arranged on the lugs and penetrate through the lugs and are in sliding connection with the lugs, fixed plates are fixedly sleeved on the lifting rods, springs are sleeved on the lifting rods, two ends of each spring are respectively fixedly connected with the bottoms of the lugs and the tops of the fixed plates, thread grooves are formed in the bottom ends of the lifting rods, lead screws are arranged in the thread grooves, pressing plates are fixedly arranged at the bottoms of the lead screws and are used for adjusting the height of the pressing plates, and the pressing plates are in contact with the storage battery box, the screw rod is provided with a nut in a threaded manner, the nut is in contact with the bottom of the lifting rod, and the nut is used for locking the screw rod.
10. The vehicle battery box helium inspection machine of claim 1, wherein: the top fixed mounting of table frame has the fan, install aspiration channel and air-out pipe on the fan, the aspiration channel is linked together with the table frame, the fan is used for discharging the helium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011111099.4A CN112033612A (en) | 2020-10-16 | 2020-10-16 | Helium detector for automobile storage battery box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011111099.4A CN112033612A (en) | 2020-10-16 | 2020-10-16 | Helium detector for automobile storage battery box |
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| CN112033612A true CN112033612A (en) | 2020-12-04 |
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| CN202011111099.4A Pending CN112033612A (en) | 2020-10-16 | 2020-10-16 | Helium detector for automobile storage battery box |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447218A (en) * | 2021-09-01 | 2021-09-28 | 苏州华智诚精工科技有限公司 | Battery leakage detection method, structure and system |
| CN114653616A (en) * | 2020-12-22 | 2022-06-24 | 安徽力翔电池科技有限公司 | High-precision self-suction type flow-dividing helium detection intelligent sorting system |
| CN114858359A (en) * | 2022-07-06 | 2022-08-05 | 南京宇众自动化装备有限公司 | Vacuum helium testing method and helium testing machine thereof |
-
2020
- 2020-10-16 CN CN202011111099.4A patent/CN112033612A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653616A (en) * | 2020-12-22 | 2022-06-24 | 安徽力翔电池科技有限公司 | High-precision self-suction type flow-dividing helium detection intelligent sorting system |
| CN113447218A (en) * | 2021-09-01 | 2021-09-28 | 苏州华智诚精工科技有限公司 | Battery leakage detection method, structure and system |
| CN113447218B (en) * | 2021-09-01 | 2021-11-23 | 苏州华智诚精工科技有限公司 | Battery leakage detection method, structure and system |
| CN114858359A (en) * | 2022-07-06 | 2022-08-05 | 南京宇众自动化装备有限公司 | Vacuum helium testing method and helium testing machine thereof |
| CN114858359B (en) * | 2022-07-06 | 2022-11-08 | 南京宇众自动化装备有限公司 | Vacuum helium testing method and helium testing machine thereof |
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