CN208795436U - Helium mass spectrum leak detection equipment for new energy vehicle controller component - Google Patents

Helium mass spectrum leak detection equipment for new energy vehicle controller component Download PDF

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Publication number
CN208795436U
CN208795436U CN201821713336.2U CN201821713336U CN208795436U CN 208795436 U CN208795436 U CN 208795436U CN 201821713336 U CN201821713336 U CN 201821713336U CN 208795436 U CN208795436 U CN 208795436U
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China
Prior art keywords
helium
vacuum
mass spectrum
pallet
detection equipment
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Expired - Fee Related
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CN201821713336.2U
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Chinese (zh)
Inventor
陈加宝
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Suzhou Branch Surplus Automation System Co Ltd
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Suzhou Branch Surplus Automation System Co Ltd
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Priority to CN201821713336.2U priority Critical patent/CN208795436U/en
Application granted granted Critical
Publication of CN208795436U publication Critical patent/CN208795436U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of helium mass spectrum leak detection equipment for new energy vehicle controller component, including movable base plate, the movable base plate is equipped with vacuum plant, the helium for providing helium evacuated for controller assemblies sealing and fills recyclable device, the leak detector device for detecting helium leakage.The vacuum plant includes vacuum pump component, vacuum box assembly, and the vacuum box assembly includes for placing the vacuum tank of controller assemblies, for the fixture of clamp controller component.Moveable pallet is equipped in the vacuum tank, the fixture includes upper die clamper, lower mould clamping device in vacuum tank, and the lower mould clamping device is fixed on pallet, and the upper die clamper upper end is equipped with the cylinder assembly that it can be driven to move up and down.Lower mould clamping device can be removed to vacuum tank when pallet is mobile, controller assemblies can be placed on lower mould clamping device at this time.The utility model solves the problems, such as that helium mass spectrum leak detection equipment picks and places inconvenience when detecting controller assemblies air-tightness.

Description

Helium mass spectrum leak detection equipment for new energy vehicle controller component
Technical field
The utility model relates to helium mass spectrum leak detection field more particularly to a kind of helium for new energy vehicle controller component Mass spectrum leak detection equipment.
Background technique
Concern recently as people to environmental problem, new-energy automobile become a focus concerned by people.New energy Source automobile refers to (or with conventional vehicle fuel, to be moved using unconventional vehicle fuel using novel on-vehicle as a source of power Power device), the dynamic Control of comprehensive vehicle and the advanced technology of driving aspect, the technical principle of formation is advanced, have new technology, The automobile of new construction.New energy vehicle controller component is the important component of automobile engine using new energy resources, air tightness test It is to ensure that the important link of engine health.Helium mass spectrum leak detection equipment is to examine the common equipment of air tightness of workpiece, work at present Make process are as follows: workpiece to be checked is placed into vacuum tank, and is fixed by upper die clamper, lower mould clamping device;Then pass through vacuum Pump assembly carries out workpiece to be checked to vacuumize big inspection, carries out vacuum pumping to vacuum tank after the assay was approved, then passes through helium Filling recovering mechanism is filled with helium into workpiece to be checked, then the helium for whether having leakage in vacuum tank is detected by Helium leak detector. Existing helium mass spectrum leak detection equipment is that workpiece to be checked is placed into lower mould clamping device in vacuum tank, but due to new-energy automobile Structure is complicated for controller assemblies, in the narrow operating space of vacuum tank, it is difficult to be accurately placed on lower mould clamping device, be caused Lower mould clamping device is bad to its sealing effect, and then influences the accuracy of air tightness test result.
Utility model content
To overcome disadvantages mentioned above, the purpose of this utility model is to provide a kind of for new energy vehicle controller component Helium mass spectrum leak detection equipment solves the (hereinafter referred " control of new energy vehicle controller component by the improvement to vacuum box structure Device assembly processed ") pick and place inconvenient problem.
In order to reach the goals above, the technical solution adopted in the utility model is: one kind being used for new energy vehicle controller The helium mass spectrum leak detection equipment of component, including movable base plate, the movable base plate are equipped with for controller assemblies sealing evacuation Vacuum plant, the helium for providing helium fill recyclable device, the leak detector device for detecting helium leakage.The helium Filling recyclable device includes storing the gas tank of helium, the air compressor machine of compressed helium and the interface connecting with vacuum plant;It is described Leak detector device includes the leak detector for detecting concentrations of helium, prompts the alarm assemblies of helium leakage and connect with vacuum plant Interface.The helium filling recyclable device, leak detector device are existing equipment in production.The vacuum plant includes inside Vacuum pump component, the vacuum box assembly of connection, the vacuum box assembly include for placing the vacuum tank of controller assemblies, being used for The fixture of clamp controller component.Moveable pallet is equipped in the vacuum tank, the fixture includes being located in vacuum tank Upper die clamper, lower mould clamping device, the lower mould clamping device are fixed on pallet, and the upper die clamper upper end is equipped with to drive and move down thereon Dynamic cylinder assembly.
Furthermore, it is understood that the vacuum tank includes the chamber door that side is equipped with the box shell of opening, sealable opening, the chamber door Upper end be equipped with chamber door can be driven along the driving mechanism that moves up and down of opening.The driving mechanism includes being fixedly connected with chamber door Chain, can the mobile idler sheave assemblies of drive chain;The idler sheave assemblies are located at the top of cylinder assembly, including solid with cylinder assembly Surely the mounting plate connected, the upper surface side of the mounting plate are equipped with the top plate of fixed idler, and the other side, which is equipped with, drives chain to move Dynamic push plate component.Described chain one end is connect with chamber door, and the other end is connect by idle pulley and with push plate component.Pass through driving machine Structure can drive chamber door to move up and down, to realize the opening and closing of vacuum tank.
Furthermore, it is understood that the box shell is made of No.1 box shell, No. two box shells of integrally formed, internal connection.It is described No. two box shells are located at side of the No.1 box shell far from chamber door, and the No.1 box shell, No. two box shells form L-type structure.The No.1 Box shell, internal formation No.1 cavity, No. two box shells inside form No. two cavitys.Under the No.1 cavity, No. two cavitys End face is equipped with the No.1 sliding rail mobile for pallet jointly, and the pallet is placed on No.1 sliding rail, and side is located at No.1 cavity Interior, the other side is located in No. two cavitys.No. two intracorporal pallets of chamber can be moved to No.1 cavity, No.1 chamber by No.1 sliding rail Intracorporal pallet removes No.1 box shell.
Furthermore, it is understood that the upper end of No. two box shells is equipped with the screw body for driving pallet mobile, the screw body Including the ball screw being fixedly connected with No.1 motor, nut seat, the side of the nut seat are set on the ball screw Equipped with the No.1 push rod being fixedly connected with the tray.Pallet can be driven to move on No.1 sliding rail by screw body.
Furthermore, it is understood that the lower mould clamping device is fixedly connected on the intracorporal pallet of No.1 chamber, upper end is equipped with sealing The lower die sealing ring of controller assemblies lower end surface stomata.The lower end surface of the upper die clamper is equipped with sealing controller assemblies upper surface The upper mold sealing ring of stomata.By upper die clamper, lower mould clamping device cooperation can static controller component, by upper mold sealing ring, Lower die sealing ring can realize the sealing to the upper and lower end face of controller assemblies.
Furthermore, it is understood that the cylinder assembly includes the cylinder frame being fixedly connected with No.1 box shell upper surface, is fixed on gas No.1 cylinder on cylinder frame, the No.1 cylinder rod of the No.1 cylinder pass through the fixed company in upper surface of No.1 box shell and upper die clamper It connects, the upper surface of the cylinder frame is fixedly connected with mounting plate.Upper die clamper can be driven to move up and down by cylinder assembly.
Furthermore, it is understood that one end of the No.1 box shell is equipped with plugging device, the plugging device includes being located at No.1 chamber In vivo, with the matched block head in the passway of controller assemblies, one end of the block head is equipped with moveable No. two push rods.Institute No. two push rods are stated across No.1 box shell, and are connect with No. two cylinders for being fixed on No.1 box shell outer wall.Pass through moveable No. two Push rod can realize the closure to the passway of controller assemblies.
The utility model has the beneficial effects that: lower mould clamping device is pushed to outside vacuum tank, just by moveable pallet It is placed on lower mould clamping device in by controller assemblies, and then improves the accuracy of air-leakage test.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model embodiment;
Fig. 2 is the stereoscopic schematic diagram inside the equipment protection cover of the utility model embodiment;
Fig. 3 is the front view of the vacuum box assembly of the utility model embodiment;
Fig. 4 is the stereoscopic schematic diagram of the vacuum box assembly of the utility model embodiment;
Fig. 5 is the left view of the fixture of the utility model embodiment;
Fig. 6 is the front view of the controller assemblies of the utility model embodiment.
In figure:
1- movable base plate;21- vacuum pump component;22- vacuum tank tower;23- vacuum tank;24- box shell;241- opening;242- No.1 box shell;No. bis- box shells of 243-;244- No.1 sliding rail;25- chamber door;251- idler sheave assemblies;252- mounting plate;253- top plate; 254- push-rod assembly;26- pallet;271- screw rodb base;272- nut seat;273- No.1 push rod;No. bis- push rods of 281-;282- is blocked Head;The upper die clamper of 31-;311- cylinder frame;312- No.1 cylinder;32- lower mould clamping device;4- leak detector device;5- equipment protection cover; 6- electronic box;7- controller assemblies.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear Define.
Embodiment
Referring to shown in attached drawing 1-6, a kind of helium mass spectrum leak detection for new energy vehicle controller component of the utility model Equipment, including movable base plate 1 are placed with equipment protection cover 5, electronic box 6 on the movable base plate 1, set in the equipment protection cover 5 There are the vacuum plant, the helium for providing helium that evacuate for the sealing of controller assemblies 7 to fill recyclable device, for detecting helium The leak detector device 4 of gas leakage, the helium filling recyclable device, leak detector device 4 are connect with vacuum plant.
The helium filling recyclable device includes the gas tank for storing helium, the air compressor machine and and vacuum plant of compressed helium The interface of connection;The leak detector device include detect concentrations of helium leak detector, prompt helium leakage alarm assemblies and The interface being connect with vacuum plant.The helium filling recyclable device, leak detector device are existing equipment in production.
The upper surface of the controller assemblies 7 is equipped with the stomata of connection lower end surface, and inside is equipped with channel, the passway position In one end of controller assemblies 7.Before carrying out air-leakage test, need to block stomata, passway.
The vacuum plant includes vacuum pump component 21, the vacuum box assembly of internal connection.The vacuum box assembly includes The vacuum tank tower 22 being placed on movable base plate 1 is equipped with vacuum tank 23 above the vacuum tank tower 22, is used for clamp controller group The fixture of part 7, the vacuum tank 23 includes the chamber door 25 that side is equipped with the box shell 24 of opening 241, sealable opening 241, described Chamber door 25 can be moved up and down along opening 241.The inside of the box shell 24 is equipped with moveable pallet 26, and one end is equipped with sealing control The plugging device of 7 passway of device assembly.
The opening 241 is equipped with the sealing ring sealed with chamber door 25, and the upper end of the chamber door 25, which is equipped with, can drive chamber door 25 driving mechanisms moved up and down.The driving mechanism include the chain being fixedly connected with chamber door 25, can drive chain it is mobile Idler sheave assemblies.The idler sheave assemblies are located at the top of fixture, including the mounting plate 252 being fixedly connected with fixture, the mounting plate 252 upper surface side is equipped with the top plate 253 of fixed idler, and the other side is equipped with the push plate component 254 for driving chain mobile.It is described Idle pulley is engaged with chain, and described chain one end is connect with chamber door 25, and the other end is connect by idle pulley with push plate component 254.It is described Push plate component 254 includes No. two sliding rails being fixed on mounting plate 252, the slide plate that can be moved along No. two sliding rails, the slide plate Side is equipped with No. three cylinders, and the other side is equipped with No. three push rods being fixedly connected with chain.No. three cylinders push slide plate along No. two cunnings Rail is mobile, and No. three push rods drive chain mobile, and then drives idle pulley rotation, so that the chain connecting with chamber door 25 is mobile, in turn It drives chamber door 25 to move up and down, completes the movement of open and close.
The box shell 24 is made of 242, No. two box shells 243 of No.1 box shell of integrally formed, internal connection.Described No. two Box shell 243 is located at the lower part of No.1 box shell 242 far from the side of chamber door 25, and 242, No. two box shells 243 of the No.1 box shell form L Type structure.No.1 cavity is formed inside the No.1 box shell 242, forms No. two cavitys inside No. two box shells 243.Described one Number cavity, No. two cavitys lower end surface be equipped with the No.1 sliding rail 244 mobile for pallet 26 jointly;The pallet 26 is placed on one On number sliding rail 244, side is located in No.1 cavity, and the other side is located in No. two cavitys.When chamber door 25 is opened, by 25 edge of pallet Direction from No.1 sliding rail 244 to opening 241 it is mobile, the intracorporal pallet 26 of No. two chambers can be moved to No.1 cavity, No.1 chamber Intracorporal pallet 26 removes No.1 box shell 242.
The upper end of No. two box shells 243 is equipped with the screw body for driving pallet 26 mobile, and the screw body includes silk Pole socket 271, the screw rodb base 271 include the pedestal being fixedly connected with No. two box shells 243, and the pedestal both ends are equipped with fixed ball The bearing block of screw rod.The ball screw is located above pedestal, and one end is connect with the No.1 motor being fixed on bearing block.It is described Nut seat 272 is set on ball screw, the side of the nut seat 272 is equipped with the No.1 push rod being fixedly connected with pallet 26 273.One end of the No.1 push rod 273 is fixedly connected with nut seat 272, the other end pass through No.1 box shell 242 and with pallet 26 It is fixedly connected.Start No.1 motor, ball screw rotation, and drives nut seat 272 mobile, one be fixed on nut seat 272 Number push rod 273 is mobile, and then pallet 26 is driven to move on No.1 sliding rail 244.
Described 242 one end of No.1 box shell is equipped with the No.1 through-hole for connecting plugging device, and side is equipped with true for connecting No. two through-holes of empty pump assembly 21, No. three through-holes for connecting No.1 push rod 273, upper end are equipped with No. four for jockey Through-hole.
The plugging device includes the matched block head 282 in passway in No.1 cavity, with controller assemblies 7, One end of the block head 282 is equipped with moveable No. two push rods 281.No. two push rods 281 pass through No.1 through-hole, and with it is solid It is scheduled on No. two cylinders connection of No.1 box shell outer wall.No. two push rods 281 are tightly connected by sealing flange and No.1 through-hole. No. two cylinder rods of No. two cylinders are pushed, No. two push rods 281 are mobile to the direction of No.1 box shell 242, until 282 sealing paste of block head It closes on the passway of controller assemblies 7.
The fixture includes upper die clamper 31, the lower mould clamping device 32 inside No.1 box shell 242.The lower mould clamping device 32 It is fixedly connected on and is located on the intracorporal pallet 26 of No.1 chamber, upper end is equipped with the lower die sealing ring of sealing 7 stomata of controller assemblies;Institute The lower end surface for stating die clamper 31 is equipped with the upper mold sealing ring of sealing 7 stomata of controller assemblies, upper surface and can drive above and below it Mobile cylinder assembly connection.Mating reaction by block head 282, upper mold sealing ring, lower die sealing ring is achievable to control The closure of 7 outer surface of device assembly.
The cylinder assembly includes the cylinder frame 311 being fixedly connected with 242 upper surface of No.1 box shell, is fixed on cylinder frame No.1 cylinder 312 on 311, the No.1 cylinder rod of the No.1 cylinder 312 pass through No. four through-holes and are fixedly connected with upper die clamper 31, The No.1 cylinder rod is tightly connected by sealing flange and No. four through-holes.The upper surface of the cylinder frame 311 and mounting plate 252 connect It connects.After controller assemblies 7 are placed on lower mould clamping device 32, No. two cylinder rods are pushed, and upper 31 palette of die clamper is driven to exist On the upper surface of controller assemblies 7.
In order to make upper die clamper 31 when pushing to 7 uniform force application of controller assemblies, the present embodiment is upper upper die clamper End face is provided with a pair of of auxiliary push-rod.The auxiliary push-rod is located at the two sides of No.1 cylinder rod, one end and the fixed company of upper die clamper 31 It connects, the other end passes through the upper surface of No.1 box shell 242, and is tightly connected by the upper surface of sealing flange and No.1 box shell 242.
The vacuum pump component 21 include for examine the thick grade leaked greatly pump, the high-vacuum pump for examining small leakage, it is described Thick grade pump, high-vacuum pump are connect by the vacuum tube of internal connection with No.1 box shell 242.The vacuum tube is equipped with and leak detector The No.1 port of the interface connection of device, No. two ports being connect with the interface of helium filling recyclable device.The No.1 port Place is equipped with the test valve for being connected to leak detector device, is equipped at No. two ports for being connected to helium filling recovering mechanism Charge valve.
The specific work process of the present embodiment is as follows:
Start No. three cylinders first, it is mobile to push chain, and chamber door 25 is driven to move upwards, opens chamber door 25, forward direction opens Dynamic No.1 motor, ball screw rotation, No.1 push rod 273 is mobile, and drives pallet 26 mobile to 241 directions of opening, Zhi Daowei It is moved to outside box shell 24 in the lower mould clamping device 32 on pallet 241;Controller assemblies 7 are placed on lower mould clamping device 32, lower die is made Sealing ring blocks the lower end surface stomata of controller assemblies 7;Reverse starting No.1 motor, ball screw reversion, and drive pallet 26 is mobile to No. two box shells, until lower mould clamping device 32 is moved to operating position;Start cylinder assembly, so that No.1 cylinder rod drives Die clamper 31 moves down, until upper mold sealing ring blocks the upper surface stomata of controller assemblies 7;Start No. two cylinders, makes Obtaining No. two push rods 281 pushes block heads 282 mobile to the direction of the passway of controller assemblies 7, until 281 sealing paste of block head It closes on the passway of controller assemblies 7, the outer surface of controller assemblies 7, which seals, at this time completes;No. three cylinders are again started up, are made It obtains chain-driving fixed ear to move down, closes chamber door 25;Start thick grade pump to vacuumize the inside of controller assemblies 7, examine Whether there is big leakage inside controller assemblies 7, start high-vacuum pump after the assay was approved and vacuum tank 23 is vacuumized, at this time 25 jail of chamber door Jail fits on the sealing ring at opening 241, so that forming vacuum environment in vacuum tank 23;Charge valve is opened, helium is filled Recyclable device is filled with helium into controller assemblies 7, opens simultaneously test valve, is detected in vacuum tank 23 by leak detector device Helium, if it is detected that helium content be greater than standard value, alarm assemblies issue controller assemblies 7 the underproof letter of air-tightness Number;Otherwise the air-tightness of controller assemblies 7 is qualified.
Embodiment of above is only to illustrate the technical ideas and features of the present invention, and its object is to allow be familiar with this skill The people of art understands the content of the utility model and is implemented, and does not limit the protection scope of the present invention, and all According to the equivalent change or modification that the spirit of the present invention is substantially done, should all cover within the protection scope of the present utility model.

Claims (9)

1. a kind of helium mass spectrum leak detection equipment for new energy vehicle controller component, including movable base plate (1), the mobile bottom Plate (1) is equipped with vacuum plant, the helium for providing helium evacuated for controller assemblies (7) sealing and fills recycling dress It sets, the leak detector device (4) for detecting helium leakage;Helium filling recyclable device, leak detector device (4) are and vacuum Device connection;The vacuum plant includes vacuum pump component (21), the vacuum box assembly of internal connection, it is characterised in that: described Vacuum box assembly includes the fixture for placing the vacuum tank of controller assemblies (7) (23), being used for clamp controller component (7); Moveable pallet (26) are equipped in the vacuum tank (23), the fixture includes the upper die clamper in vacuum tank (23) (31), lower mould clamping device (32), the lower mould clamping device (32) are fixed on pallet (26), and upper die clamper (31) upper end is equipped with can Drive the cylinder assembly that it is moved up and down.
2. helium mass spectrum leak detection equipment according to claim 1, it is characterised in that: the vacuum tank (23) includes that side is equipped with Be open the box shell (24) of (241), the chamber door (25) of sealable opening (241), and the upper end of the chamber door, which is equipped with, can drive chamber door (25) driving mechanism moved up and down along opening (241).
3. helium mass spectrum leak detection equipment according to claim 2, it is characterised in that: the driving mechanism includes and chamber door (25) The chain that is fixedly connected, can the mobile idler sheave assemblies of drive chain;The idler sheave assemblies are located at the top of cylinder assembly, including with The mounting plate (252) that cylinder assembly is fixedly connected, the upper surface side of the mounting plate (252) are equipped with the top plate of fixed idler (253), the other side is equipped with the push plate component (254) for driving chain mobile;Described chain one end is connect with chamber door (25), the other end It is connect by idle pulley and with push plate component (254).
4. helium mass spectrum leak detection equipment according to claim 2 or 3, it is characterised in that: the box shell (24) is by being integrally formed , the No.1 box shell (242) of internal connection, No. two box shells (243) compositions;No. two box shells (243) are located at No.1 box shell (242) far from the side of chamber door (25), the No.1 box shell (242), No. two box shells (243) form L-type structure.
5. helium mass spectrum leak detection equipment according to claim 4, it is characterised in that: the No.1 box shell (242), internal formation No.1 cavity, No. two box shells (243) are internal to form No. two cavitys;The No.1 cavity, the lower end surface of No. two cavitys are common Equipped with the No.1 sliding rail (244) mobile for pallet (26);The pallet (26) is placed on No.1 sliding rail (244), side position In in No.1 cavity, the other side is located in No. two cavitys.
6. helium mass spectrum leak detection equipment according to claim 5, it is characterised in that: the upper end of No. two box shells (243) is set The screw body for having drive pallet (26) mobile, the screw body includes the ball screw being fixedly connected with No.1 motor, institute It states and is set on ball screw nut seat (272), the side of the nut seat (272) is equipped be fixedly connected with pallet (26) one Number push rod (273).
7. helium mass spectrum leak detection equipment according to claim 6, it is characterised in that: the lower mould clamping device (32) is fixedly connected on On the intracorporal pallet of No.1 chamber (26), upper end is equipped with the lower die sealing ring of sealing controller assemblies (7) lower end surface stomata;Institute The lower end surface for stating die clamper (31) is equipped with the upper mold sealing ring of sealing controller assemblies (7) upper surface stomata.
8. helium mass spectrum leak detection equipment according to claim 7, it is characterised in that: the cylinder assembly includes and No.1 box shell (242) upper surface is fixedly connected cylinder frame (311), the No.1 cylinder (312) being fixed on cylinder frame (311);The No.1 The No.1 cylinder rod of cylinder (312) passes through No.1 box shell (242) and is fixedly connected with the upper surface of upper die clamper, the cylinder frame (311) upper surface is fixedly connected with mounting plate (252).
9. helium mass spectrum leak detection equipment according to claim 8, it is characterised in that: one end of the No.1 box shell (242) is set There is plugging device, the plugging device includes the matched block head in passway in No.1 cavity, with controller assemblies (7) (282), one end of the block head (282) is equipped with moveable No. two push rods (281);No. two push rods (281) pass through one Number box shell (242), and connect with No. two cylinders for being fixed on No.1 box shell (242) outer wall.
CN201821713336.2U 2018-10-22 2018-10-22 Helium mass spectrum leak detection equipment for new energy vehicle controller component Expired - Fee Related CN208795436U (en)

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Application Number Priority Date Filing Date Title
CN201821713336.2U CN208795436U (en) 2018-10-22 2018-10-22 Helium mass spectrum leak detection equipment for new energy vehicle controller component

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Application Number Priority Date Filing Date Title
CN201821713336.2U CN208795436U (en) 2018-10-22 2018-10-22 Helium mass spectrum leak detection equipment for new energy vehicle controller component

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Publication Number Publication Date
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110542516A (en) * 2019-09-11 2019-12-06 东野精机(昆山)有限公司 High-speed helium mass spectrometer leak detection sorting system and sorting method thereof
CN110954279A (en) * 2019-12-02 2020-04-03 江门龙浩智能装备有限公司 Leak detection device
CN110954280A (en) * 2019-12-02 2020-04-03 江门龙浩智能装备有限公司 Leak detection device
CN110954278A (en) * 2019-12-02 2020-04-03 江门龙浩智能装备有限公司 Leak detection method
CN110954277A (en) * 2019-12-02 2020-04-03 江门龙浩智能装备有限公司 Leak detection device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110542516A (en) * 2019-09-11 2019-12-06 东野精机(昆山)有限公司 High-speed helium mass spectrometer leak detection sorting system and sorting method thereof
CN110954279A (en) * 2019-12-02 2020-04-03 江门龙浩智能装备有限公司 Leak detection device
CN110954280A (en) * 2019-12-02 2020-04-03 江门龙浩智能装备有限公司 Leak detection device
CN110954278A (en) * 2019-12-02 2020-04-03 江门龙浩智能装备有限公司 Leak detection method
CN110954277A (en) * 2019-12-02 2020-04-03 江门龙浩智能装备有限公司 Leak detection device

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Granted publication date: 20190426

Termination date: 20201022