CN102466551A - Waterproof testing device and method thereof - Google Patents
Waterproof testing device and method thereof Download PDFInfo
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- CN102466551A CN102466551A CN2010105547914A CN201010554791A CN102466551A CN 102466551 A CN102466551 A CN 102466551A CN 2010105547914 A CN2010105547914 A CN 2010105547914A CN 201010554791 A CN201010554791 A CN 201010554791A CN 102466551 A CN102466551 A CN 102466551A
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Abstract
The invention provides a waterproof testing device, which is used for testing the waterproof performance of the article to be tested; a testing hole and an opening are arranged on the surface of the article to be tested; the air permeable waterproof materials are enveloped on the opening; the waterproof testing device comprises a bearing tool for bearing the article to be tested which is provided with a sealing part and an exhaust hole positioned in the sealing part, a water supply unit which is arranged on the bearing tool and is provided with a water outlet corresponding to the opening of the article to be tested, a pressure supply unit which is connected with the exhaust hole of the bearing tool; the article to be tested is exhausted by the pressure supply unit, so that the negative pressure is formed in the article to be tested; and the pressure supply unit is used for testing the inside pressure of the article to be tested. At the same time, the invention provides the waterproof testing method corresponding to the waterproof testing device; and the problem that the waterproof performance of the article to be tested with opening or hole can not be tested by the exhaustion method is solved via the invention.
Description
Technical field
The present invention relates to a kind of waterproof test device and method, relate in particular to a kind of waterproof test device and method that is used to detect electronic installation with air permeable waterproof material.
Background technology
The inner body of electronic product possibly cause damage because moisture content infiltrates, and electronic product is accurate day by day now, for the also lifting gradually of requirement of waterproof.Meet different classification of waterproof for satisfying electronic product, IPX7 standard for example can be kept under 1 meter depth of water and kept waterproof in 30 minutes for to be measured, therefore in the research and development or manufacture process of product, all need carry out the test of waterproof.
After known electronic installation waterproof test directly is placed in the water with to be measured, disassembles to be measured and whether seep water to inspect inside.So when not passing through waterproof test for to be measured, moisture content will infiltrate to be measured inside and cause damage.And this method only is useful in a small amount of test of initial stage development or the product when producing is in a large number taken a sample test, so can't guarantee that each product is all identical with the waterproof effect of taking a sample test part.
Therefore; The waterproof test of high unit price electronic package bears hydraulic pressure with air pressure emulation object in water mode; To be measured outside imposed malleation or to be measured inside is imposed negative pressure, replace to be measured and directly immerse in the water, to reduce in the production run to be measured the cost that is caused of scrapping.Can be with reference to " water-proof investigating system and the method " of Taiwan patent of invention I302601 number; Its utilization module of bleeding is extracted the measured object gas inside out; And, change the fire resistance characteristic of judging measured object in time by the pressure of being detected with sensator detecting measured object pressure inside.Yet; For many non-electronic installations of sealing fully; For example mobile phone, multimedia player etc.; It is provided with the air permeable waterproof material on the certain openings of these electronic installations or hole (the for example microphone of mobile phone, loudspeaker or noise filter etc.), make gas can pass this air permeable waterproof material and reach specific function.Though above-mentioned air permeable waterproof material can be reached waterproof effect, make electronic installation integral body can't be applicable to the above-mentioned method of utilizing air pressure to carry out waterproof test because of impermeability is not good.
Summary of the invention
For solving the shortcoming of above-mentioned known technology, the object of the present invention is to provide a kind of waterproof test device and waterproof test method that is used to detect electronic installation with air permeable waterproof material.
The object of the present invention is to provide a kind of waterproof test device and method, it is used to detect the water proofing property of to be measured (electronic installation) with air permeable waterproof material.
In order to reach above-mentioned purpose; The present invention provides a kind of waterproof test device, is used to detect one to be measured water proofing property, and this to be measured surface has instrument connection and opening; And this opening envelope is provided with the air permeable waterproof material; This waterproof test device comprises: bearing fixture, be used for carrying this to be measured, and this bearing fixture is provided with sealing and is arranged in the aspirating hole of sealing portion; Sealing portion aims at this instrument connection and seals this aspirating hole and this instrument connection space on every side in order to when this bearing fixture carries this to be measured; The water supply unit, it is located on this bearing fixture and has the water delivering orifice to this aperture position that should to be measured, and this water supply unit supplies water to this air permeable waterproof material in order to see through this water delivering orifice; And pressure feeding unit; It is connected to this aspirating hole of this bearing fixture; This pressure feeding unit is bled and is made its inner negative pressure that produces being carried on this bearing fixture this to be measured in order to see through this aspirating hole and this instrument connection, and in order to this to be measured pressure inside of detection.
Above-mentioned waterproof test device; Wherein should further comprise the flow control assembly that is connected to this water delivering orifice in the water supply unit; So as to the flow through flow of this water delivering orifice of control, and then improve the usefulness and the convenience of operation, and can combine computer programing control; Integrate with making the product line, further reach the robotization waterproof test.
Above-mentioned waterproof test device, wherein this bearing fixture has load bearing seat and fixator, and this load bearing seat is in order to carry this to be measured, and this fixator is in order to cooperate fixing this to be measured of this load bearing seat.
Above-mentioned waterproof test device, wherein sealing portion can be gasket seal, closely this to be measured of contact when should to be measured when this fixator being fixed on this load bearing seat, and replaceable use.
Above-mentioned waterproof test device; This pressure feeding unit aspiration pump of comprising controller and being connected to this controller wherein; This aspiration pump further is connected to this aspirating hole of this bearing fixture, and this controller is bled to this to be measured through this aspirating hole in order to control this aspiration pump.In addition, can carry out waterproof test by setting different pressure and the time, to reach the requirement of different classification of waterproof.
The present invention also proposes a kind of waterproof test method; It uses waterproof test device of the present invention; Be used to detect to be measured water proofing property; Wherein this to be measured surface has instrument connection and opening, and this opening envelope is provided with the air permeable waterproof material, and this method comprises: the air permeable waterproof material that covers the opening part on this to be measured surface with water; Setting the bleed set pressure and first setting-up time of program; Carry out this program of bleeding according to this first setting-up time and this set pressure to this to be measured and make this to be measured the inner negative pressure that produces; And when carrying out this program of bleeding when reaching this first setting-up time, negative pressure and this set pressure of comparing this to be measured inside are to judge this water proofing property of to be measured.
Above-mentioned waterproof test method can further comprise the following step: when carrying out negative pressure that this program of bleeding reaches this first setting-up time and this to be measured inside when reaching this set pressure, stop this this to be measured of program and sealing of bleeding; And in second setting-up time, negative pressure and this set pressure of comparing this to be measured inside are to judge this water proofing property of to be measured.
Therefore, waterproof test device and method of the present invention can carry out waterproof test to the electronic installation with air permeable waterproof material, and it need not electronic installation directly is placed in the water, can reduce research and development and production cost; Simultaneously, test process is judged test result with the actual pressure of to be measured inside, does not inspect inner infiltration situation and need not disassemble to be measured, can promote the efficient of testing process, and help carrying out in the manufacture course of products waterproofing tests of all over products; In addition, the present invention has more solved the problem that the air permeable waterproof material of the electronic installation past is provided with to(for) opening or hole can't detect water proofing property with air-exhaust method.
Description of drawings
Fig. 1 is the waterproof test schematic representation of apparatus of first embodiment of the invention.
Fig. 2 is the combination synoptic diagram of the waterproof test device of first embodiment of the invention.
Fig. 3 is the waterproof test schematic representation of apparatus of second embodiment of the invention.
Fig. 4 is the waterproof test schematic representation of apparatus of third embodiment of the invention.
Fig. 5 is the process flow diagram of the waterproof test method of fourth embodiment of the invention.
Fig. 6 is the process flow diagram of the waterproof test method of fifth embodiment of the invention.
[primary clustering symbol description]
1 waterproof test device
2 waterproof test devices
3 waterproof test devices
10 to be measured
12 openings
14 instrument connections
20 bearing fixtures
21 load bearing seats
22 fixators
30 water supply unit
31 water delivering orifices
40 pressure feeding units
50 aspirating holes
60 sealings
61 gasket seals
70 air permeable waterproof materials
80 flow control assemblies
Embodiment
Following specific embodiment should not limit scope of the present invention for explanation, with the variation and the displacement of this embodiment equivalence, all be interpreted as being encompassed in the scope of the present invention such as, protection scope of the present invention should with claims the person of being defined be as the criterion.
For fully understanding the object of the invention, characteristic and effect, existing by following specific embodiment, and cooperate appended graphicly, the present invention is done a detailed description.
Fig. 1 and Fig. 2 are the synoptic diagram of the waterproof test device 1 of first embodiment of the invention.To be measured 10 of electronic installation of the present invention can be but be not limited to portable electronic products such as mobile phone, multimedia player, digital camera.In the present embodiment, to be measured 10 is mobile phone, because the needs of its function, must be provided with opening at the ad-hoc location of mobile phone casing, for example microphone radio reception mouth, loudspeaker speaking terminal etc.As shown in the figure, to be measured 10 casing has three openings 12 and instrument connection 14, but and is being provided with air permeable waterproof material 70 supplied gas on the opening 12 through the specific function with near device (like microphone radio reception mouth, loudspeaker speaking terminal) satisfying.
With reference to Fig. 1 and Fig. 2; According to the waterproof test tool 1 of first embodiment of the invention, in order to detect to be measured 10 waterproof effect, waterproof test device 1 comprises: bearing fixture 20; Be used to carry to be measured 10; Bearing fixture 20 is provided with sealing 60 and is arranged in the aspirating hole 50 of sealing 60, sealing 60 bearing fixture 20 carry to be measured 10 o'clock, in order to aim at instrument connection 14 and to seal aspirating hole 50 and space around the instrument connection 14; Water supply unit 30, it is located on the bearing fixture 20 and has the water delivering orifice 31 of corresponding to be measured 10 opening 12 positions, and water supply unit 30 supplies water in order to see through 31 pairs of these air permeable waterproof materials of this water delivering orifice; And pressure feeding unit 40; It is connected to the aspirating hole 50 of bearing fixture 20; Pressure feeding unit 40 is bled in order to see through to be measured 10 that aspirating hole 50 and 14 pairs of instrument connections be carried on the bearing fixture 20, makes it innerly produce negative pressure, and in order to detect to be measured 10 pressure inside.In practical application, the water supply unit has the water delivering orifice of the position of the corresponding opening of a plurality of difference, with the air permeable waterproof material water supply at pairs of openings place.
In addition, bearing fixture 20 can have load bearing seat 21 and fixator 22, and load bearing seat 21 is in order to carrying to be measured 10, and fixator 22 is in order to cooperate load bearing seat 21 fixing to be measured 10, by fixator 22 to pressed with fixing to be measured 10.Wherein, load bearing seat 21 can comprise aspirating hole 50, and it is connected to pressure feeding unit 40; Simultaneously; Load bearing seat can comprise sealing 60, instantly during press fit device 22, so as to sealing aspirating hole 50 engage with to be measured 10 around; Make to be measured 10 back side and load bearing seat 21 fluid-tight engagement, prevent that outside air from getting into to be measured 10 inside.Yet to be measured 10 was not limited thereto with being connected of pressure feeding unit 40, and pressure feeding unit 40 can be connected directly to be measured 10 by gas piping, so as to be measured 10 is bled and make its inner negative pressure that produces.
Then, on the air permeable waterproof material 70 of opening 12, water is provided by water supply unit 30.Because the fire resistance characteristic of air permeable waterproof material 70, the inside that water can not infiltrated to be measured 10 makes to be measured 10 to become sealing state.
Then, pressure feeding unit pressure feeding unit 40 begins the program of bleeding, and to be measured 10 inner air is drawn out of and forms negative pressure, and detect its pressure inside.
The pressure feeding unit 40 of waterproof test device of the present invention can provide the program of bleeding, and it can preset different set pressures, first setting-up time according to waterproof demand or to be measured 's characteristic.Wherein, first setting-up time can reach the required time of set pressure for the waterproof standard items are bled.In addition,, can further comprise second setting-up time according to the requirement of classification of waterproof, its be the program of bleeding stop the back detected pressures during.For example, when the set pressure of waterproof test is that P, first setting-up time are the T1 and second setting-up time when being T2, expression is bled to waterproof standard items inside behind the T1, and internal pressure can reach set pressure P, and the state of the P that keep-ups pressure in can be during T2.Therefore, to be measured 10 program of bleeding, make to be measured the 10 inner negative pressure P ' that produces according to the first setting-up time T1 and set pressure P.When the program of bleeding reaches the first setting-up time T1, compare this to be measured 10 inner negative pressure P ' and set pressure P to judge this water proofing property of to be measured 10.If to be measured 10 negative pressure P ' can't reach set pressure P in the first setting-up time T1 time, represent to be measured the non-sealing fully in inside, judge that then to be measured 10 is not passed through waterproof test.Otherwise,, represent that to be measured inside is sealing, then judges to be measured 10 through preliminary waterproof test if to be measured 10 negative pressure P ' can reach pressure P in the first setting-up time T1 time.Further, when the program of bleeding reaches the inner negative pressure P ' of the first setting-up time T1 and to be measured 10 and reaches set pressure P, stop the program of bleeding and seal to be measured 10.At this moment, in the second setting-up time T2, the negative pressure P ' in comparing to be measured and set pressure P are to judge this water proofing property of to be measured 10.If to be measured 10 negative pressure P ' can keep pressure P during the second setting-up time T2, judge that then to be measured 10 is passed through waterproof test; If to be measured 10 negative pressure P ' can't keep pressure P during the second setting-up time T2, expression has gas to get into to be measured 10 inside, judges that then to be measured 10 is not passed through waterproof test.
In addition; Pressure feeding unit 40 can comprise controller and be connected to the aspiration pump (not shown) of this controller; This aspiration pump further is connected to the aspirating hole 50 of bearing fixture 20, and controller sees through 50 pairs to be measured 10 of aspirating hole in order to the control aspiration pump and bleeds.Wherein, controller can be program-controlled device or the main frame with man-machine interface, and user's set pressure and time are provided, and controls aspiration pump and carry out or stop the program of bleeding, and measures to be measured 10 pressure inside simultaneously.
Fig. 3 is the synoptic diagram of the waterproof test device 2 of second embodiment of the invention; Wherein the sealing 60 of load bearing seat 21 can be gasket seal 61; In order to tight contact measured part 10 when fixator 22 should be fixed on load bearing seat 21 for to be measured 10; But enhanced leaktightness aspirating hole 50 engage with to be measured 10 around, prevent outside air get into to be measured 10 inner and influence testing result.Because frequent replacing action when installing for to be measured 10, and the compressing and the friction that continue when detecting, be prone to cause sealing wearing and tearing or distortion after long-term the use, make sealing reduce.Therefore utilize replaceable gasket seal 61, need not change load bearing seat 21 integral body during damage, can prolong the serviceable life of waterproof test device.
Fig. 4 is the synoptic diagram of the waterproof test device 3 of third embodiment of the invention; The water supply unit 30 of waterproof test device 3 of the present invention can further comprise and is connected to water delivering orifice 31 flow control assemblies 80; So as to the flow through flow of water delivering orifice 31 of control, help to improve the convenience of waterproof test.Water supply unit 30 and flow control assembly 80 more can combine computer programing control, detect usefulness to improve, and integrate with making the product line, reach the robotization waterproof test.In addition; Flow control assembly also can be arranged on other position when practical application; For example supply water between unit to water delivering orifice pipeline or the pipeline between aqua storage tank to the water delivering orifice of all water demands of waterproof test device of the present invention is provided, and be not limited to the position that is provided with of this specific embodiment.
Another object of the present invention is to provide a kind of waterproof test method, it uses waterproof test device of the present invention, is used to detect to be measured 10 water proofing property with air permeable waterproof material.With reference to Fig. 5; It is the process flow diagram of the waterproof test method of fourth embodiment of the invention; And illustrating this waterproof test method with Fig. 1 and waterproof test device 1 shown in Figure 2, this method comprises: cover the air permeable waterproof material 70 at opening 12 places on to be measured 10 surface with water, because the fire resistance characteristic of air permeable waterproof material 70; Therefore water can not infiltrate to be measured 10 inside, and then makes to be measured 10 to become sealing state; Then, set the set pressure and first setting-up time of the program of bleeding; To be measured 10 program of bleeding, make to be measured the 10 inner negative pressure that produces according to first setting-up time and set pressure; And, compare to be measured 10 inner negative pressure and set pressure to judge to be measured 10 water proofing property when carrying out this program of bleeding when reaching this first setting-up time.If to be measured 10 inner negative pressure can't reach set pressure, represent to be measured 10 inner non-sealing fully, therefore judge that to be measured 10 is not passed through waterproof test.Otherwise, if to be measured 10 inner negative pressure can reach set pressure, represent that to be measured 10 is sealing state, therefore judge that to be measured 10 is passed through waterproof test.
With reference to Fig. 6; It is the waterproof test method of fifth embodiment of the invention; It is according to the waterproof test method of the 4th embodiment; Further comprise the following step: when the program of bleeding reaches the inner negative pressure of first setting-up time and to be measured 10 and reaches set pressure, stop this program and seal to be measured 10 of bleeding; And in second setting-up time, compare to be measured 10 inner negative pressure and set pressure to judge to be measured 10 water proofing property.When to be measured 10 inner negative pressure was not definite value in second setting-up time, the expression outside air got into to be measured 10 inside, i.e. the effect of air permeable waterproof material forfeiture is judged to be measured 10 and do not passed through waterproof test; When in to be measured 10 inner negative pressure is during second setting-up time, keeping definite value, judge to be measured 10 through waterproof test, and can meet the requirements of classification of waterproof.
The present invention discloses with preferred embodiment hereinbefore, it will be understood by those skilled in the art that so the foregoing description only is used to explain the present invention, and should not be read as restriction scope of the present invention.It should be noted that the variation and the displacement of all and embodiment equivalence all are interpreted as being encompassed in the category of the present invention.Therefore, protection scope of the present invention should with the claim of hereinafter the person of being defined be as the criterion.
Claims (7)
1. a waterproof test device is used to detect to be measured water proofing property, and this to be measured surface has instrument connection and opening, and this opening envelope is provided with the air permeable waterproof material, it is characterized in that this waterproof test device comprises:
Bearing fixture is used for carrying this to be measured, and this bearing fixture is provided with sealing and is arranged in the aspirating hole of sealing portion, and sealing portion aims at this instrument connection and seals this aspirating hole and this instrument connection space on every side in order to when this bearing fixture carries this to be measured;
The water supply unit, it is located on this bearing fixture and has the water delivering orifice to this aperture position that should to be measured, and this water supply unit supplies water to this air permeable waterproof material in order to see through this water delivering orifice; And
The pressure feeding unit; It is connected to this aspirating hole of this bearing fixture; This pressure feeding unit is bled and is made its inner negative pressure that produces being carried on this bearing fixture this to be measured in order to see through this aspirating hole and this instrument connection, and in order to this to be measured pressure inside of detection.
2. waterproof test device as claimed in claim 1 is characterized in that, this water supply unit further comprises the flow control assembly that is connected to this water delivering orifice, so as to the flow through flow of this water delivering orifice of control.
3. waterproof test device as claimed in claim 1 is characterized in that this bearing fixture has load bearing seat and fixator, and this load bearing seat is in order to carry this to be measured, and this fixator is in order to cooperate fixing this to be measured of this load bearing seat.
4. waterproof test device as claimed in claim 3 is characterized in that, sealing portion is a gasket seal, in order to when this fixator is fixed on this load bearing seat with to be measured, closely to contact this to be measured.
5. waterproof test device as claimed in claim 1; It is characterized in that; The aspiration pump that this pressure feeding unit comprises controller and is connected to this controller; This aspiration pump further is connected to this aspirating hole of this bearing fixture, and this controller is bled to this to be measured through this aspirating hole in order to control this aspiration pump.
6. a waterproof test method is used to detect to be measured water proofing property, and wherein this to be measured surface has instrument connection and opening, and this opening envelope is provided with the air permeable waterproof material, it is characterized in that this method comprises:
Cover the air permeable waterproof material of the opening part on this to be measured surface with water;
Setting the bleed set pressure and first setting-up time of program;
Carry out this program of bleeding according to this first setting-up time and this set pressure to this to be measured and make this to be measured the inner negative pressure that produces; And
When carrying out this program of bleeding when reaching this first setting-up time, negative pressure and this set pressure of comparing this to be measured inside are to judge this water proofing property of to be measured.
7. waterproof test method as claimed in claim 6 is characterized in that, further comprises the following step:
When carrying out negative pressure that this program of bleeding reaches this first setting-up time and this to be measured inside when reaching this set pressure, stop this this to be measured of program and sealing of bleeding; And
In second setting-up time, negative pressure and this set pressure of comparing this to be measured inside are to judge this water proofing property of to be measured.
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| CN2010105547914A CN102466551A (en) | 2010-11-19 | 2010-11-19 | Waterproof testing device and method thereof |
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| CN2010105547914A CN102466551A (en) | 2010-11-19 | 2010-11-19 | Waterproof testing device and method thereof |
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Cited By (10)
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| CN104075853A (en) * | 2013-03-26 | 2014-10-01 | 深圳市海洋王照明工程有限公司 | Waterproof air permeability valve detection method |
| CN104280191A (en) * | 2013-07-10 | 2015-01-14 | 纬创资通股份有限公司 | Electronic device |
| WO2018059001A1 (en) * | 2016-09-29 | 2018-04-05 | 武汉高明兰光电科技有限公司 | Impregnating detection system and method |
| CN108426680A (en) * | 2018-03-14 | 2018-08-21 | 北京云狐时代科技有限公司 | A kind of the water resistance test method and system of intelligent terminal |
| CN109073429A (en) * | 2018-05-31 | 2018-12-21 | 歌尔股份有限公司 | test device and calibration method |
| CN109313099A (en) * | 2018-05-31 | 2019-02-05 | 歌尔股份有限公司 | Test device and calibration method |
| CN109406069A (en) * | 2018-12-27 | 2019-03-01 | 深圳市海能达通信有限公司 | Test macro and method for testing water-proof product |
| CN112484933A (en) * | 2020-10-16 | 2021-03-12 | 嘉丰工业科技（惠州）有限公司 | Waterproof testing device and method for mobile phone protection shell |
| CN112763146A (en) * | 2020-12-29 | 2021-05-07 | 博众精工科技股份有限公司 | Bearing jig for water tightness test, test device and test method |
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| CN104075853A (en) * | 2013-03-26 | 2014-10-01 | 深圳市海洋王照明工程有限公司 | Waterproof air permeability valve detection method |
| CN104075853B (en) * | 2013-03-26 | 2016-12-07 | 深圳市海洋王照明工程有限公司 | A kind of detection method of waterproof vent valve |
| CN104280191A (en) * | 2013-07-10 | 2015-01-14 | 纬创资通股份有限公司 | Electronic device |
| CN104280191B (en) * | 2013-07-10 | 2017-04-12 | 纬创资通股份有限公司 | Electronic device |
| WO2018059001A1 (en) * | 2016-09-29 | 2018-04-05 | 武汉高明兰光电科技有限公司 | Impregnating detection system and method |
| CN108426680A (en) * | 2018-03-14 | 2018-08-21 | 北京云狐时代科技有限公司 | A kind of the water resistance test method and system of intelligent terminal |
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| CN109313099A (en) * | 2018-05-31 | 2019-02-05 | 歌尔股份有限公司 | Test device and calibration method |
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Application publication date: 20120523 |