CN103940553A - LED display screen case with seal testing equipment and seal testing method - Google Patents
LED display screen case with seal testing equipment and seal testing method Download PDFInfo
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- CN103940553A CN103940553A CN201410136238.7A CN201410136238A CN103940553A CN 103940553 A CN103940553 A CN 103940553A CN 201410136238 A CN201410136238 A CN 201410136238A CN 103940553 A CN103940553 A CN 103940553A
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- led display
- display casing
- wireway
- casing
- test equipment
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Abstract
The invention discloses an LED display screen case with seal testing equipment. The seal testing equipment comprises a testing device and the LED display screen case to be tested. The testing device comprises an air guide pipe, a connecting port is formed in the LED display screen case, one end of the air guide pipe is connected with an air source, and the other end of the air guide pipe is in seal connection with the connecting port. The invention further discloses a seal testing method of the LED display screen case. The seal testing method comprises the following steps that the connecting port is formed in the LED display screen case; the air guide pipe is in seal connection with the connecting port; the case connected with the air guide pipe is sunken into water and air is led into the LED display screen case through the air guide pipe. By means of the LED display screen case with the seal testing equipment and the seal testing method of the LED display screen case, the sealing performance of the LED display screen case can be effectively tested, the structure is simple, use is convenient to achieve and the cost is low.
Description
Technical field
The present invention relates to equipment Inspection field, relate in particular to a kind of LED display casing and tightness testing method with sealing test equipment.
Background technology
The advantage such as LED display has little power consumption, long service life, cost is low, brightness is high, visual angle is large, visual range is far away, waterproof, specification are wide in variety, can meet the demand of various different application scenes, being acknowledged as tool growth potential is also display applications with fastest developing speed.LED display can be divided into indoor and outdoor according to the environment for use of display screen, and the LED display using out of doors will experience the process of Environmental variations, therefore outdoor display screen will just can have larger market outlook by multiple performance test, and wherein sealing is exactly important performance index.Testing tool outward appearance is in the market the tank body of a sealing, LED display need be put into tank body, again by tank body vacuum chamber is found time with the situation of negative pressure, make LED display under water produce inside and outside differential pressure, in observation LED display, gas escapes situation, to judge the sealing property of sample; This kind of testing apparatus price is high, bulky, test DeGrain.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of LED that can effectively detect and shows that casing shields the LED display casing with sealing test equipment of sealing property, in addition, also provides a kind of tightness testing method of LED display casing.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of LED display casing with sealing test equipment is provided, comprise proving installation and LED display casing to be tested, described proving installation comprises wireway, on described LED display casing, offer interface, described wireway one end connects source of the gas, and the other end is connected with described sealing joint.
For solving the problems of the technologies described above, a kind of tightness testing method of LED display casing is also provided under same thinking, comprise the steps:
On LED display casing, offer interface;
Wireway is tightly connected on interface;
To be connected with the casing submerged of wireway, and ventilate in LED display casing by wireway.
The invention has the beneficial effects as follows: be different from prior art, the present invention offers interface on LED display casing, and on interface, connect wireway, the other end of wireway connects source of the gas and together puts into water, afterwards by source of the gas to gas transmission in LED display casing, if there is gas leakage to have Bubble formation, the sealing situation that this can fast detecting LED display casing, simple and fast and adopt commercially available common components and parts to form, with low cost.
Brief description of the drawings
Fig. 1 is the STRUCTURE DECOMPOSITION figure that the present invention one preferably has the LED display casing of sealing test equipment.
Label declaration:
1, wireway; 2, LED display casing; 3, flowrate control valve; 4, pressure detection device; 5, safety valve; 6, four-way; 7, brace; 8, projection; 9, through hole; 10, nut; 11, conducting connecting pipe; 12, controlled valve; 13, flexible pipe; 14, seal.
Embodiment
By describing technology contents of the present invention, structural attitude in detail, being realized object and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
Difference and prior art, described proving installation comprises wireway 1, on described LED display casing 2, offers interface, and described wireway 1 one ends connect source of the gas, the other end is connected with described sealing joint, can effectively realize the detection to LED display box sealing performance by wireway 1.
The testing apparatus of LED display casing 2 as shown in Figure 1, comprise proving installation and LED display casing 2 to be tested, described proving installation comprises wireway 1, on described LED display casing 2, offer interface, described wireway 1 one ends connect source of the gas, and the other end is connected with described sealing joint.
In this structure, on LED display casing 2, offer interface, and on interface, connect wireway 1, the other end of wireway 1 connects source of the gas and together puts into water, afterwards by source of the gas to the interior gas transmission of LED display casing 2, if there is gas leakage to have Bubble formation, this can fast detecting LED display casing 2 sealing situation, simple and fast and adopt commercially available common components and parts to form, with low cost.
In the present embodiment, wireway 1 is soft tube, and it has ensured that being connected of wireway 1 and LED display casing 2 and soft tube can carry out to a certain degree folding, bending, has ensured to connect and reliability and stability when test.
In order further to control the flow of gas, prevent that the pressure in LED display casing 2 from sharply rising, on wireway 1, be also provided with flowrate control valve 3.
For further understanding the pressure condition in LED display casing 2, on wireway 1, be provided with pressure detection device 4.
For further controlling the pressure condition of LED display casing 2, in the time that pressure is greater than setting value, timely pressure release ensures that LED display casing 2 internal pressures are stablized and element can not damaged by pressure, is provided with safety valve 5 on wireway 1.
Preferably this testing apparatus is provided with above three kinds of devices, the one end that is specially wireway 1 is provided with four-way 6, this four-way 6 connects respectively described safety valve 5, pressure detection device 4, wireway 1 and flowrate control valve 3, four kinds of devices be used in conjunction with the pressure that can ensure in LED display casing 2 in setting range, avoid the infringement to device in LED display.
Further, between flowrate control valve 3 and four-way 6, be also provided with controlled valve 12, between described controlled valve 12 and described flowrate control valve, be connected by flexible pipe 13, in the present embodiment, this controlled valve 12 is ball valve, enters or prevent entering of gas by what open or close to control gas.
On this LED display casing 2, bindiny mechanism is also set, this bindiny mechanism comprises conducting connecting pipe 11, described conducting connecting pipe 11 one end described interface that is tightly connected, the other end is connected with described wireway 1 end part seal, this bindiny mechanism is connected to and on LED display casing 2, can effectively ensures being connected of LED display casing 2 and wireway 1, ensure the stability in the time detecting, can effectively prevent the disengaging of wireway 1 and LED display casing 2, and the other end of conducting connecting pipe 11 completes after detection and can seal by seal 14.
In the present embodiment, this bindiny mechanism is brace 7, on LED display casing 2, be provided with projection 8, on the outer wall of projection 8, external thread is set, on brace 7, offer through hole 9 and conducting connecting pipe 11, brace 7 is socketed on described protruding 8 by through hole 9 and by a nut 10, brace 7 is fixed on to LED and shows on casing, and the 11 one end sealings of conducting connecting pipe are plugged in interface, the be tightly connected outlet side of wireway 1 of the other end.
For solving the problems of the technologies described above, under same thinking, provide a kind of tightness testing method of LED display casing 2, comprise the steps: to offer interface on LED display casing 2; Wireway 1 is tightly connected on interface; To be connected with LED display casing 2 submergeds of wireway 1, and pass through wireway 1 to the interior ventilation of LED display casing 2.
Further, the pressure in described LED display casing 2 is controlled between 0.01MPa～0.1MPa, as without finding gas leak phenomenon, can be judged as sealing qualified, after LED display casing 2 is completed by sealing joint.
On LED display casing 2, offer interface, and on interface, connect wireway 1, the other end of wireway 1 connects source of the gas and together puts into water, afterwards by source of the gas to the interior gas transmission of LED display casing 2, if there is gas leakage to have Bubble formation, this can fast detecting LED display casing 2 sealing situation, by flowrate control valve 3, pressure detection device 4 and safety valve 5 etc. are set, can effectively realize the control to the pressure in LED display casing 2.On this basis wireway 1 progressive is arranged to soft tube, ensured wireway 1 and LED display casing 2 be connected and soft tube can carry out to a certain degree folding, bending, reliability and stability while having ensured connect and test.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes instructions of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. one kind has the LED display casing of sealing test equipment, comprise proving installation and LED display casing to be tested, it is characterized in that, described proving installation comprises wireway, on described LED display casing, offer interface, described wireway one end connects source of the gas, and the other end is connected with described sealing joint.
2. the LED display casing with sealing test equipment according to claim 1, is characterized in that, is also provided with one or more in flowrate control valve, pressure detection device and safety valve on described wireway.
3. will remove the LED display casing with sealing test equipment described in 1 according to right, it is characterized in that: one end of described wireway is provided with four-way, described four-way is connection safety valve, pressure detection device, wireway and flowrate control valve respectively.
4. the LED display casing with sealing test equipment according to claim 3, is characterized in that: between described flowrate control valve and four-way, be also provided with controlled valve, between described controlled valve and described flowrate control valve, be connected by flexible pipe.
5. the LED display casing with sealing test equipment according to claim 1, is characterized in that: described wireway is soft tube.
6. according to the LED display casing with sealing test equipment described in claim 1-5 any one, it is characterized in that: on described LED display casing, bindiny mechanism is also set, described bindiny mechanism comprises conducting connecting pipe, described conducting connecting pipe one end described interface that is tightly connected, the other end and the described wireway end of giving vent to anger is tightly connected.
7. the LED display casing with sealing test equipment according to claim 6, it is characterized in that, described bindiny mechanism comprises brace, on described LED display casing, be provided with projection, on the outer wall of described projection, external thread is set, on described brace, offer through hole and and be connected with described conducting connecting pipe, described brace is socketed in described projection and by a nut, brace is fixed on to LED by through hole and shows on casing.
8. a tightness testing method for LED display casing, is characterized in that, comprises the steps:
On LED display casing, offer interface;
Wireway is tightly connected on interface;
To be connected with the casing submerged of wireway, and ventilate in LED display casing by wireway.
9. the method for testing of LED display casing according to claim 8, is characterized in that, the pressure in described LED display casing is 0.01MPa～0.1MPa.
10. the method for testing of LED display casing according to claim 8 or claim 9, is characterized in that: after described LED display casing is completed by sealing joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410136238.7A CN103940553A (en) | 2014-04-04 | 2014-04-04 | LED display screen case with seal testing equipment and seal testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410136238.7A CN103940553A (en) | 2014-04-04 | 2014-04-04 | LED display screen case with seal testing equipment and seal testing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103940553A true CN103940553A (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410136238.7A Pending CN103940553A (en) | 2014-04-04 | 2014-04-04 | LED display screen case with seal testing equipment and seal testing method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10318874A (en) * | 1997-05-19 | 1998-12-04 | Rhythm Watch Co Ltd | Method and device for testing water-proof characteristics of electronic device |
| CN102098891A (en) * | 2009-12-10 | 2011-06-15 | 佳能企业股份有限公司 | Waterproof electronic device with test structure, water leakage tester and testing method |
| CN202471374U (en) * | 2011-12-31 | 2012-10-03 | 凯迈（洛阳）气源有限公司 | Multifunctional airtightness detection apparatus |
| CN102759431A (en) * | 2011-04-29 | 2012-10-31 | 神基科技股份有限公司 | Airtightness testing member and electronic equipment adopting same |
| CN202869756U (en) * | 2012-09-10 | 2013-04-10 | 延锋伟世通汽车电子有限公司 | A product air impermeability testing device |
| CN203785852U (en) * | 2014-04-04 | 2014-08-20 | 深圳市洲明科技股份有限公司 | LED display screen case body with sealing testing equipment |
-
2014
- 2014-04-04 CN CN201410136238.7A patent/CN103940553A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10318874A (en) * | 1997-05-19 | 1998-12-04 | Rhythm Watch Co Ltd | Method and device for testing water-proof characteristics of electronic device |
| CN102098891A (en) * | 2009-12-10 | 2011-06-15 | 佳能企业股份有限公司 | Waterproof electronic device with test structure, water leakage tester and testing method |
| CN102759431A (en) * | 2011-04-29 | 2012-10-31 | 神基科技股份有限公司 | Airtightness testing member and electronic equipment adopting same |
| CN202471374U (en) * | 2011-12-31 | 2012-10-03 | 凯迈（洛阳）气源有限公司 | Multifunctional airtightness detection apparatus |
| CN202869756U (en) * | 2012-09-10 | 2013-04-10 | 延锋伟世通汽车电子有限公司 | A product air impermeability testing device |
| CN203785852U (en) * | 2014-04-04 | 2014-08-20 | 深圳市洲明科技股份有限公司 | LED display screen case body with sealing testing equipment |
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Application publication date: 20140723 |