CN103837306A - Testing device and method for detecting air tightness of lamp - Google Patents

Testing device and method for detecting air tightness of lamp Download PDF

Info

Publication number
CN103837306A
CN103837306A CN201210492686.1A CN201210492686A CN103837306A CN 103837306 A CN103837306 A CN 103837306A CN 201210492686 A CN201210492686 A CN 201210492686A CN 103837306 A CN103837306 A CN 103837306A
Authority
CN
China
Prior art keywords
light fixture
water tank
gland bonnet
connecting hole
lamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201210492686.1A
Other languages
Chinese (zh)
Inventor
周明杰
汪辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Science and Technology Co Ltd
Oceans King Dongguan Lighting Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
Original Assignee
Oceans King Lighting Science and Technology Co Ltd
Oceans King Dongguan Lighting Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oceans King Lighting Science and Technology Co Ltd, Oceans King Dongguan Lighting Technology Co Ltd, Shenzhen Oceans King Lighting Engineering Co Ltd filed Critical Oceans King Lighting Science and Technology Co Ltd
Priority to CN201210492686.1A priority Critical patent/CN103837306A/en
Publication of CN103837306A publication Critical patent/CN103837306A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Examining Or Testing Airtightness (AREA)

Abstract

The invention discloses a testing device for detecting the air tightness of a lamp. The testing device comprises a water tank, a plurality of locking studs, a sealing cover, a plurality of locking nuts, an air pipe and an air pump. The water tank is used for containing water and is provided with an opening. The locking studs are fixedly arranged at the bottom of the water tank. The sealing cover is arranged at the opening of the water tank, the locking studs penetrate through the sealing cover, and the sealing cover is provided with connecting holes and air hole sealing rings placed in the connecting holes. The locking nuts are arranged on the locking studs respectively in a sleeved mode, the locking nuts abut against the outer surface of the sealing cover, and accordingly the air hole sealing rings tightly abut against a cable leading-in opening of the lamp. One end of the air pipe is communicated with the connecting holes of the sealing cover. The air pump is communicated with the other end of the air pipe, and the air pump faces the inside of the lamp for inflation through the air pipe. According to the testing device for detecting the air tightness of the lamp, the mode that air pressure is added into the lamp is adopted, the waterproofness weak point of an outer shell of the lamp can be highlighted, so that the weak point is changed, and therefore the waterproofness reliability of the outer shell of the lamp can be effectively guaranteed. The invention further provides a testing method for detecting the air tightness of the lamp.

Description

Light fixture impermeability detects test unit and method
[technical field]
The present invention relates to a kind of light fixture and detect test unit and method, particularly relate to a kind of light fixture impermeability and detect test unit and method.
[background technology]
Dedicated lamp is more and more extensive in industry-by-industry application, and outdoor application is maximum again, because of its uniqueness in each environment, so also just higher to the design of light fixture.Especially the water resistance of light fixture is to weigh the important indicator of light fixture quality, and light fixture all will check whether lamp interior intakes, and analyzes into water position, then requires designer to change finishing after shell waterproof test at every turn.But after lamp interior water inlet, can only detect water inlet position by the mode of range estimation, cause the inaccurate of data analysis, and then can not effectively guarantee the reliability of lamp outer casing waterproof.
This test tool discharges the thin spot of lamp outer casing water resistance by add the mode of air pressure to lamp interior, and its thin spot is changed, thereby effectively guarantees the reliability of lamp outer casing waterproof.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide a kind of and detect the light fixture impermeability that light fixture impermeability comparatively accurately and effectively guarantees the reliability of lamp outer casing waterproof and detect test unit.
A kind of light fixture impermeability detects test unit, and it comprises:
Water tank, for splendid attire water, described water tank has an opening;
Multiple locking double-screw bolts, are fixed on the bottom of described water tank, and are erected in spaced reciprocally in described water tank, and the threaded portion of described multiple locking double-screw bolts is all towards the opening setting of described water tank;
Gland bonnet, be located at the opening part of described water tank, and described multiple locking double-screw bolt is through described gland bonnet, make described gland bonnet with respect to described multiple locking double-screw bolts slidably, described gland bonnet is provided with connecting hole and is positioned at the port sealing circle of described connecting hole, and described port sealing circle is for docking with the cable leading entrance of light fixture;
Multiple set nuts, be sheathed on respectively on described multiple locking double-screw bolt, and be screwed with the threaded portion of described multiple double-screw bolts, the outside surface butt of described multiple set nuts and described gland bonnet, makes the tightly cable leading entrance of light fixture described in butt of described port sealing circle;
Tracheae, one end is communicated with the connecting hole of described gland bonnet; And
Air pump, is communicated with the other end of described tracheae, and described air pump is inflated in described light fixture by described tracheae.
Above-mentioned light fixture impermeability detects test unit and light fixture can be positioned in the water tank that is loaded with water, adopt gland bonnet, locking double-screw bolt and set nut be located by connecting cable leading entrance and the tracheae of light fixture, and the housing inflation to light fixture by air pump, if the partially sealed property of the housing of light fixture is bad, corresponding place there will be bubble.Therefore, above-mentioned light fixture impermeability detects test unit and adopts the mode that adds air pressure to lamp interior that the thin spot of lamp outer casing water resistance is highlighted, and its thin spot is changed, thereby effectively guarantees the reliability of lamp outer casing waterproof.
In an embodiment, described water tank is square box therein, and described opening is opened in the top of described water tank, and described gland bonnet is the rectangle lid identical with described opening shape.
In an embodiment, the size of described gland bonnet is less than or equal to the opening size of described water tank therein.
In an embodiment, described locking double-screw bolt is four therein, passes respectively four drift angles of described gland bonnet.
In an embodiment, described connecting hole is four therein, and is positioned at the middle part of described gland bonnet, and wherein, each connecting hole is all between two described locking double-screw bolts.
In an embodiment, the free end of described multiple locking double-screw bolts is given prominence to the opening setting of described water tank therein.
In an embodiment, the end that described tracheae is connected with the connecting hole of described gland bonnet is provided with gas-pipe thread head therein, and described connecting hole is screw, and described tracheae is communicated with described connecting hole by described gas-pipe thread head.
Meanwhile, the present invention also provides a kind of light fixture impermeability to detect test method.
A kind of light fixture impermeability detects test method, and it adopts above-mentioned light fixture impermeability to detect test unit, it is characterized in that, comprises the steps:
Light fixture is positioned in described water tank, and the cable leading entrance of described light fixture is arranged upward, the cable leading entrance of described light fixture is docked with the connecting hole of described gland bonnet;
Described set nut is sheathed on described locking double-screw bolt, and tightens described set nut, make the tightly outside surface of gland bonnet described in butt of described set nut;
Described tracheae is communicated with connecting hole and the described air pump of described gland bonnet, and fills water to described water tank; And
Open described inflator pump, the inflation schedule time, and check whether bubble overflows for the surface of described light fixture.
In an embodiment, the described schedule time was 1 second therein.
In an embodiment, the water in described water tank is added with surfactant, for increasing the foamability of the water in described water tank therein.
[accompanying drawing explanation]
Fig. 1 is the structural representation that the light fixture impermeability of embodiment of the present invention detects test unit;
Fig. 2 is the process flow diagram that the light fixture impermeability of embodiment of the present invention detects test method.
[embodiment]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provide preferred embodiment of the present invention.But the present invention can realize in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is to make to the understanding of disclosure of the present invention more thoroughly comprehensively.
It should be noted that, when element is called as " being fixed on " another element, it can be directly on another element or also can have an element placed in the middle.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in instructions of the present invention herein, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1, the light fixture impermeability of embodiment of the present invention detects test unit 100, comprises water tank 110, multiple locking double-screw bolt 120, gland bonnet 130, multiple set nut 140, tracheae 150 and air pump 160.Multiple locking double-screw bolts 120 and multiple set nut 140 are for fixing seal lid 130.Air pump 160 passes through tracheae 150 to light fixture (not shown) inner inflatable.
Water tank 110 is for splendid attire water, and water tank 110 has an opening 111.Specifically in the illustrated embodiment, water tank 110 is square box, and opening 111 is opened in the top of water tank 110.Certainly, in the present invention, water tank 110 is not limited to square casing, can be also the casing of other shapes, and for example, water tank 110 is cylindrical shape, and opening 111 is the center of circle, and is positioned on the end face of water tank 110.
Multiple locking double-screw bolts 120 are fixed on the bottom of water tank 110, and are erected in spaced reciprocally in water tank 110.The threaded portion of multiple locking double-screw bolts 120 all arranges towards the opening 111 of water tank 110.
Gland bonnet 130 is located at opening 111 places of water tank 110, and multiple locking double-screw bolt 120 is through gland bonnet 130, makes gland bonnet 130 with respect to multiple locking double-screw bolts 120 slidably.Gland bonnet 130 is provided with connecting hole 131 and is positioned at the port sealing circle (not shown) of connecting hole 131, and port sealing circle is for docking with the cable leading entrance of light fixture.
Specifically in the illustrated embodiment, gland bonnet 130 is the rectangle lid identical with opening 111 shapes.The size of gland bonnet 130 is less than or equal to opening 111 sizes of water tank 110.In the present invention, gland bonnet 130 is not limited to the rectangle lid identical with opening 111 shapes, also can be other shapes, and for example, gland bonnet 130 is circular lid.The size of gland bonnet 130 also can be greater than opening 111 sizes of water tank 110, now, the connecting hole 131 of gland bonnet 130 is provided with the wireway 150 with port sealing circle, and wireway 150 docks with the cable leading entrance of light fixture, without gland bonnet 130 is extend in water tank 110.
Further, locking double-screw bolt 120 is four, passes respectively four drift angles of gland bonnet 130.Because four locking double-screw bolts 120 are positioned at four drift angles of gland bonnet 130, make gland bonnet 130 fixing comparatively steady, and then the port sealing circle of gland bonnet 130 and the cable leading entrance of light fixture are tightly docked, avoid leaking gas.
Further, connecting hole 131 is four, and is positioned at the middle part of gland bonnet 130, and wherein, each connecting hole 131 is all between two locking double-screw bolts 120.Because each connecting hole 131 is all between two locking double-screw bolts 120, make the position at multiple connecting holes 131 places of gland bonnet 130 stressed evenly, guarantee that each connecting hole 131 connects closely, thereby can make multiple light fixtures carry out impermeability detection simultaneously, improve detection efficiency.
Further, the opening 111 of the outstanding water tank 110 of the free end of multiple locking double-screw bolts 120 arranges, thus the convenient gland bonnet 130 of installing.Certainly, in the present invention, the free end of multiple locking double-screw bolts 120 also can be positioned at water tank 110, that is, the length of locking double-screw bolt 120 is shorter.
Multiple set nuts 140 are sheathed on respectively on multiple locking double-screw bolts 120, and are screwed with the threaded portion of multiple double-screw bolts.The outside surface butt of multiple set nuts 140 and gland bonnet 130, makes the tightly cable leading entrance of butt light fixture of port sealing circle.Preferably, set nut 140 is wing nut, and set nut 140 can free-handly be tightened, thereby in the time of installation or removal gland bonnet 130, without by specific purpose tool, installation or removal more for convenience.
One end of tracheae 150 is communicated with the connecting hole 131 of gland bonnet 130.Air pump 160 is communicated with the other end of tracheae 150, and air pump 160 is inflated in light fixture by tracheae 150.Because the gas pressure intensity of light fixture requires not quite, therefore, also can adopt low power air pump 160.
Specifically in the illustrated embodiment, tracheae 150 is provided with gas-pipe thread head 151 with the end that the connecting hole 131 of gland bonnet 130 is connected, and connecting hole 131 is screw, and tracheae 150 is communicated with connecting hole 131 by gas-pipe thread head 151.Owing to adopting gas-pipe thread head 151 to be communicated with, its installation or removal all more for convenience.
Further, for the convenient bubble of observing, water tank 110 can adopt transparent material to make, for example, transparent plastic or clear glass etc., thus bubble directly observed by transparent water tank 110.Or gland bonnet 130 can adopt transparent material to make, for example, transparent plastic or clear glass etc., thus bubble directly observed by transparent gland bonnet 130.Or gland bonnet 130 and water tank 110 all adopt transparent material to make, by transparent gland bonnet 130 and the convenient bubble of observing of water tank 110.
Above-mentioned light fixture impermeability detects test unit 100 and light fixture can be positioned in the water tank 110 that is loaded with water, adopt gland bonnet 130, locking double-screw bolt 120 and set nut 140 be located by connecting cable leading entrance and the tracheae 150 of light fixture, and the housing inflation to light fixture by air pump 160, if the partially sealed property of the housing of light fixture is bad, corresponding place there will be bubble.Therefore, above-mentioned light fixture impermeability detects test unit 100 and adopts the mode that adds air pressure to lamp interior that the thin spot of lamp outer casing water resistance is highlighted, and its thin spot is changed, thereby effectively guarantees the reliability of lamp outer casing waterproof.
Refer to Fig. 2, the present invention also provides a kind of light fixture impermeability to detect test method, and it adopts above-mentioned light fixture impermeability to detect test unit 100, and this light fixture impermeability detects test method and comprises step S201 ~ step S204:
Step S201, is positioned over light fixture in water tank 110, and the cable leading entrance of light fixture is arranged upward, and the cable leading entrance of light fixture and the connecting hole 131 of gland bonnet 130 are docked.
Step S202, is sheathed on set nut 140 on locking double-screw bolt 120, and tightens set nut 140, makes the tightly outside surface of butt gland bonnet 130 of set nut 140.
Step S203, tracheae 150 is communicated with connecting hole 131 and the air pump 160 of gland bonnet 130, and feed-tank 110 is filled water.Specifically in the present embodiment, if the end of tracheae 150 is provided with gas-pipe thread head 151, tracheae 150 is communicated with the connecting hole 131 of gland bonnet 130 by gas-pipe thread head 151.
Step S204, opens inflator pump 160, the inflation schedule time, and check whether bubble overflows for the surface of light fixture.The schedule time can be according to actual conditions setting, and for example, the schedule time can be 1 second.
Further, the water in water tank 110 is added with surfactant, for increasing the foamability of the water in water tank 110, makes the easier blebbing in place of the surface of shell gas leakage of light fixture, and then more easily observes the poor place of impermeability on lamp casing.
The principle that above-mentioned light fixture impermeability detects test method is as follows: utilize and by add the mode of air pressure to lamp interior, the thin spot of lamp outer casing water resistance is discharged, and its thin spot is changed, first light fixture is positioned in water tank 110, the cable leading entrance of light fixture is contacted upward and with the port sealing circle of gland bonnet 130, then the set nut 140 of gland bonnet 130 tops is tightened; Again the gas-pipe thread head being communicated with tracheae 150 151 and the connecting hole 131 of gland bonnet 130 are connected, and feed-tank 110 is filled water; Finally open 160 schedule times of low pressure air pump (for example, 1 second), it is exactly the water inlet position of light fixture that the surface of shell of checking light fixture has the place that bubble is constantly run out of, thereby effectively guarantees the reliability of lamp outer casing waterproof.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. light fixture impermeability detects a test unit, it is characterized in that, comprising:
Water tank, for splendid attire water, described water tank has an opening;
Multiple locking double-screw bolts, are fixed on the bottom of described water tank, and are erected in spaced reciprocally in described water tank, and the threaded portion of described multiple locking double-screw bolts is all towards the opening setting of described water tank;
Gland bonnet, be located at the opening part of described water tank, and described multiple locking double-screw bolt is through described gland bonnet, make described gland bonnet with respect to described multiple locking double-screw bolts slidably, described gland bonnet is provided with connecting hole and is positioned at the port sealing circle of described connecting hole, and described port sealing circle is for docking with the cable leading entrance of light fixture;
Multiple set nuts, be sheathed on respectively on described multiple locking double-screw bolt, and be screwed with the threaded portion of described multiple double-screw bolts, the outside surface butt of described multiple set nuts and described gland bonnet, makes the tightly cable leading entrance of light fixture described in butt of described port sealing circle;
Tracheae, one end is communicated with the connecting hole of described gland bonnet; And
Air pump, is communicated with the other end of described tracheae, and described air pump is inflated in described light fixture by described tracheae.
2. light fixture impermeability according to claim 1 detects test unit, it is characterized in that, described water tank is square box, and described opening is opened in the top of described water tank, and described gland bonnet is the rectangle lid identical with described opening shape.
3. light fixture impermeability according to claim 2 detects test unit, it is characterized in that, the size of described gland bonnet is less than or equal to the opening size of described water tank.
4. light fixture impermeability according to claim 2 detects test unit, it is characterized in that, described locking double-screw bolt is four, passes respectively four drift angles of described gland bonnet.
5. light fixture impermeability according to claim 4 detects test unit, it is characterized in that, described connecting hole is four, and is positioned at the middle part of described gland bonnet, and wherein, each connecting hole is all between two described locking double-screw bolts.
6. light fixture impermeability according to claim 1 detects test unit, it is characterized in that the opening setting of the outstanding described water tank of free end of described multiple locking double-screw bolts.
7. light fixture impermeability according to claim 1 detects test unit, it is characterized in that, the end that described tracheae is connected with the connecting hole of described gland bonnet is provided with gas-pipe thread head, and described connecting hole is screw, and described tracheae is communicated with described connecting hole by described gas-pipe thread head.
8. light fixture impermeability detects a test method, and it adopts the light fixture impermeability as described in claim 1 ~ 7 any one to detect test unit, it is characterized in that, comprises the steps:
Light fixture is positioned in described water tank, and the cable leading entrance of described light fixture is arranged upward, the cable leading entrance of described light fixture is docked with the connecting hole of described gland bonnet;
Described set nut is sheathed on described locking double-screw bolt, and tightens described set nut, make the tightly outside surface of gland bonnet described in butt of described set nut;
Described tracheae is communicated with connecting hole and the described air pump of described gland bonnet, and fills water to described water tank; And
Open described inflator pump, the inflation schedule time, and check whether bubble overflows for the surface of described light fixture.
9. light fixture impermeability according to claim 8 detects test method, it is characterized in that, the described schedule time was 1 second.
10. light fixture impermeability according to claim 8 detects test method, it is characterized in that, the water in described water tank is added with surfactant, for increasing the foamability of the water in described water tank.
CN201210492686.1A 2012-11-27 2012-11-27 Testing device and method for detecting air tightness of lamp Pending CN103837306A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210492686.1A CN103837306A (en) 2012-11-27 2012-11-27 Testing device and method for detecting air tightness of lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210492686.1A CN103837306A (en) 2012-11-27 2012-11-27 Testing device and method for detecting air tightness of lamp

Publications (1)

Publication Number Publication Date
CN103837306A true CN103837306A (en) 2014-06-04

Family

ID=50801025

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210492686.1A Pending CN103837306A (en) 2012-11-27 2012-11-27 Testing device and method for detecting air tightness of lamp

Country Status (1)

Country Link
CN (1) CN103837306A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016090832A1 (en) * 2014-12-11 2016-06-16 广州代诺可光电科技有限公司 Production process and production line for led lamps
CN106197874A (en) * 2016-07-29 2016-12-07 芜湖鸣人热能设备有限公司 Hot water boiler internal detection device
CN106225997A (en) * 2016-08-28 2016-12-14 成都润博科技有限公司 A kind of method utilizing intelligence bubble detection device to carry out sealing experiment
CN106353044A (en) * 2016-08-28 2017-01-25 成都润博科技有限公司 An Intelligent and Efficient Bubble Detection Device
CN107179160A (en) * 2017-05-31 2017-09-19 江苏金钿实业有限公司 A kind of test equipment for wrist-watch water resistance
CN107255550A (en) * 2017-05-31 2017-10-17 江苏金钿实业有限公司 A kind of method of testing for being used to test wrist-watch water resistance
CN108801558A (en) * 2018-08-02 2018-11-13 广东光之典照明有限公司 A kind of line lamp waterproof test equipment level controling mechanism
CN109238580A (en) * 2018-08-29 2019-01-18 芜湖鸣人热能设备有限公司 A kind of thermal energy pipe air tightness detection equipment
CN109540400A (en) * 2018-11-29 2019-03-29 东莞市卓越鑫汽车电子科技有限公司 The waterproof detection method of coaxial connector and the waterproof detection system of coaxial connector

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03209142A (en) * 1990-01-10 1991-09-12 Taiheiyo Kogyo Kk Optical fiber type airtightness checking device
JPH04160334A (en) * 1990-10-25 1992-06-03 Takaoka Electric Mfg Co Ltd Inspecting apparatus for airtightness with image sensor
CN201041523Y (en) * 2006-10-20 2008-03-26 中华人民共和国湖南出入境检验检疫局 Lighter leakage testing device
CN201476945U (en) * 2009-07-08 2010-05-19 吴美娟 Rapid waterproof performance detection device for LED blister lamps
CN102121866A (en) * 2010-12-10 2011-07-13 东莞勤上光电股份有限公司 Airtightness test method of lamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03209142A (en) * 1990-01-10 1991-09-12 Taiheiyo Kogyo Kk Optical fiber type airtightness checking device
JPH04160334A (en) * 1990-10-25 1992-06-03 Takaoka Electric Mfg Co Ltd Inspecting apparatus for airtightness with image sensor
CN201041523Y (en) * 2006-10-20 2008-03-26 中华人民共和国湖南出入境检验检疫局 Lighter leakage testing device
CN201476945U (en) * 2009-07-08 2010-05-19 吴美娟 Rapid waterproof performance detection device for LED blister lamps
CN102121866A (en) * 2010-12-10 2011-07-13 东莞勤上光电股份有限公司 Airtightness test method of lamp

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016090832A1 (en) * 2014-12-11 2016-06-16 广州代诺可光电科技有限公司 Production process and production line for led lamps
CN106197874A (en) * 2016-07-29 2016-12-07 芜湖鸣人热能设备有限公司 Hot water boiler internal detection device
CN106225997A (en) * 2016-08-28 2016-12-14 成都润博科技有限公司 A kind of method utilizing intelligence bubble detection device to carry out sealing experiment
CN106353044A (en) * 2016-08-28 2017-01-25 成都润博科技有限公司 An Intelligent and Efficient Bubble Detection Device
CN106225997B (en) * 2016-08-28 2018-09-25 成都润博科技有限公司 A method of it is tested using intelligent being sealed property of bubble detection device
CN106353044B (en) * 2016-08-28 2018-09-25 成都润博科技有限公司 A kind of intelligent and high-efficiency bubble detection device
CN107179160A (en) * 2017-05-31 2017-09-19 江苏金钿实业有限公司 A kind of test equipment for wrist-watch water resistance
CN107255550A (en) * 2017-05-31 2017-10-17 江苏金钿实业有限公司 A kind of method of testing for being used to test wrist-watch water resistance
CN108801558A (en) * 2018-08-02 2018-11-13 广东光之典照明有限公司 A kind of line lamp waterproof test equipment level controling mechanism
CN109238580A (en) * 2018-08-29 2019-01-18 芜湖鸣人热能设备有限公司 A kind of thermal energy pipe air tightness detection equipment
CN109540400A (en) * 2018-11-29 2019-03-29 东莞市卓越鑫汽车电子科技有限公司 The waterproof detection method of coaxial connector and the waterproof detection system of coaxial connector

Similar Documents

Publication Publication Date Title
CN103837306A (en) Testing device and method for detecting air tightness of lamp
US11817599B2 (en) Explosion-proof valve core, explosion-proof valve, and box body gas tightness detection clamp
EP3372974A1 (en) Negative-pressure airtightness testing apparatus and method
CN208169587U (en) The test tube plug of valve assembly
CN102175404B (en) Waterproofness tester
CN103323324A (en) Hydrostatic pressure test connection joint
CN204214617U (en) Air tightness test tool
CN201935787U (en) Waterproof tester
CN103245467A (en) Detection method for sealing performance of lamp
CN103257022B (en) Seal testing instrument and seal testing methods
CN205815490U (en) The fixture of external pressure air inlet test doughnut membrane aperture and bubble platen press Porosimetry
CN219224051U (en) Detection device for valve rubber
CN203797358U (en) Fuel gas leakage detector casing and fuel gas leakage detector
CN102207419B (en) Waterproof testing method for LED street lamp
KR100977140B1 (en) Air tight resin of stern tube for ship construction apparatus and its construction method
CN204514553U (en) A kind of helium mass spectrometer leak detector detects the large device leaked
CN207231844U (en) Water fetching device
CN203116920U (en) Novel sealing inspection bin
CN217786455U (en) Part gas tightness testing arrangement
CN207039001U (en) A kind of electric power safety distribution box
CN204064581U (en) A kind of air leakage of valve nozzles detects frock
CN205578435U (en) A self tapping formula crossover sub for inciting somebody to action rod sensor installs on pressure vessel
CN110823469A (en) Internal and external pressure test device and method for watertight connecting seat
CN203732216U (en) Air tightness detection assembly for work piece holes
CN209102307U (en) Test fixture and test device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20140604