CN109406069A - Test macro and method for testing water-proof product - Google Patents

Test macro and method for testing water-proof product Download PDF

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Publication number
CN109406069A
CN109406069A CN201811613706.XA CN201811613706A CN109406069A CN 109406069 A CN109406069 A CN 109406069A CN 201811613706 A CN201811613706 A CN 201811613706A CN 109406069 A CN109406069 A CN 109406069A
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CN
China
Prior art keywords
test
product
waterproof
plate
test fixture
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
CN201811613706.XA
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Chinese (zh)
Inventor
刘建钊
沈祖勇
王向荣
盛双星
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.)
Sea Shenzhen Can Reach Communication Co Ltd
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Sea Shenzhen Can Reach Communication 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 Sea Shenzhen Can Reach Communication Co Ltd filed Critical Sea Shenzhen Can Reach Communication Co Ltd
Priority to CN201811613706.XA priority Critical patent/CN109406069A/en
Publication of CN109406069A publication Critical patent/CN109406069A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors

Abstract

The invention discloses a kind of test macros and test method for testing water-proof product, the test macro includes test fixture, dripping water controller, waterproof tester and measuring and calculation machine, the test fixture is connect with waterproof tester, test fixture and waterproof tester are connect with measuring and calculation machine respectively, dripping water controller is loaded on test fixture, and the test fixture further includes pneumatic control mechanism.By in product cover by instilling water droplet at sound hole, it blocks outside waterproof ventilated membrane by sound hole space, both avoided the product when extracting air pressure inside progress waterproof test, outside air enters to interiors of products by waterproof ventilated membrane from by sound hole position, can effectively monitor again be mounted on interiors of products waterproof ventilated membrane it is whether good, and whether can effectively prevent hydrone and enter interiors of products.

Description

Test macro and method for testing water-proof product
Technical field
The present invention relates to waterproof test technical fields, more particularly relate to test macro and the side of testing water-proof product Method.
Background technique
Waterproof performance is one of prerequisite key property of all waterproof product institutes, and industry is for built in waterproof product The waterproofing protection of microphone designs, and is widely used and is mounted waterproof ventilated membrane by the position between sound hole and microphone in product, Reach external voice can be penetrated by air dielectric to interiors of products be conveyed to microphone by sound wall and meanwhile completely cut off fluid molecule from Entered inside machine by sound hole position, avoids the dysfunctions such as microphone function failure.As shown in Figure 1, waterproof product include from On the product cover 1 ', product face-piece 2 ', waterproof ventilated membrane 3 ' and the microphone 4 ' that are stacked down, in corresponding microphone 4 ' It is also provided on position, the product cover 1 ' by sound hole 5 '.
Since waterproof ventilated membrane 3 ' and microphone 4 ' they are separate component materials, after the assembling of interiors of products contact, waterproof Ventilated membrane 3 ' and microphone 4 ' are not fully reached close tolerance seal by between sound wall, lead to the existing middle and high end waterproof of industry For product when manufacturing, the percent of pass of waterproof test is lower, and need to repair quantitative proportion may be up to 20%.Waterproof product is with certain master For streaming digital terminal interphone, existing waterproof test process flow as shown in Fig. 2, product through the unqualified of waterproof test instrument Product, need to manually blow soaked inspection Gas leak position, and according to whether by outside waterproof ventilated membrane 3 ' by sound hole 5 ' position gas leakage, Again defective products is determine whether, and herein in artificial decision process, it is influenced by personnel's technical ability, existing probability erroneous judgement, out Existing product waterproof property quality accident, causes customer complaint.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of surveys for being efficiently used for testing water-proof product Test system and method are dripped using from the outside of waterproof product to the position by sound hole, and closing is reached that block waterproof saturating by sound hole The purpose of air film, then product waterproof property test jobs are carried out, it effectively avoids saturating by sound wall and waterproof by interiors of products microphone Outside air caused by gap between air film leaks to interiors of products, occurs after test equipment disposable test is greatly reduced The pending rejected product sentenced again, high-efficiency sieve selects test non-defective unit and defective products, reduces and manually sentences operation again, saves manpower.
Present invention technical effect to be achieved is realized by following scheme: a kind of test system for testing water-proof product System, the test macro include test fixture, dripping water controller, waterproof tester and measuring and calculation machine, the test fixture with Waterproof tester connection, test fixture and waterproof tester are connect with measuring and calculation machine respectively, and dripping water controller is loaded in test On fixture, the test fixture further includes pneumatic control mechanism.
Preferably, the test fixture includes box body, and the box body is to carry pneumatic control mechanism and dripping water controller.
Preferably, the test fixture further includes the first plate, the Second Board and the third plate of sequence setting from the bottom up Block, first plate, the Second Board and third plate are coaxially connected by connector, the Second Board and third plate by Pneumatic control mechanism control moves up and down.
Preferably, first plate is fixed on the upper surface of box body, the upper surface of the first plate to carry it is fixed to Survey waterproof product.
Preferably, the dripping water controller includes clear water bearing tube and the control valve that drips, and the lower end for the control valve that drips is equipped with Drip syringe needle, and the syringe needle that drips passes through third plate and the Second Board and is directed at setting by sound hole with product to be measured.
Preferably, elastic component is equipped between the Second Board and third plate.
Preferably, the test fixture further includes two switch buttons.
A kind of test method of the test macro for testing water-proof product as described above, which is characterized in that including Following steps:
Step S1: product to be measured is loaded to test fixture, starting test;
Step S2: dripping water controller drips to product to be measured by sound hole, blocks by sound hole;
Step S3: waterproof tester extracts interiors of products air pressure;
Step S4: waterproof tester keeps interiors of products air pressure negative value balance;
Step S5: waterproof tester test product reveals negative pressure value.
Preferably, product to be measured to test fixture is loaded in the step S1 specifically including, product to be measured is loaded in first On plate, pneumatic control mechanism control the Second Board, which drops to, overlays product to be measured, and then pneumatic control mechanism controls third plate The step of block and the control valve that drips decline together.
Preferably, it is blocked after by sound hole in the step S2, further includes that pneumatic control mechanism control third plate rises, band The step of dynamic control valve that drips rises.
The invention has the following advantages that
By, by water droplet is instilled at sound hole, blocking outside waterproof ventilated membrane by sound hole space in product cover, both having avoided the production When extracting air pressure inside progress waterproof test, outside air is entered in product from by sound hole position by waterproof ventilated membrane product Portion, but can effectively monitor be mounted on interiors of products waterproof ventilated membrane it is whether good, and whether can effectively prevent hydrone into Enter interiors of products.
Detailed description of the invention
Fig. 1 is the partial structural diagram of waterproof product;
Fig. 2 is the process flow chart of testing water-proof product in the prior art;
Fig. 3 is the planar structure schematic diagram in the present invention for the test macro of testing water-proof product;
Fig. 4 is the overlooking structure diagram of Fig. 3;
Fig. 5 is the schematic perspective view in the present invention for the test macro of testing water-proof product;
Fig. 6 is the schematic perspective view of test fixture and dripping water controller in the present invention;
Fig. 7 is the planar structure schematic diagram of test fixture and dripping water controller in the present invention;
Fig. 8 is the flow diagram in the present invention for the test method of testing water-proof product.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples, and the examples of the embodiments are shown in the accompanying drawings Out, in which the same or similar labels are throughly indicated same or similar element or members with the same or similar functions Part.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and should not be understood as to this The limitation of invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention System.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase To importance or implicitly indicate the quantity of indicated technical characteristic." first ", " second ", " third " are defined as a result, Feature can explicitly or implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is Two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation ", Terms such as " settings " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be with It is mechanical connection, is also possible to be electrically connected;It can be directly connected, can also can also be indirectly connected through an intermediary The interaction relationship of connection or two elements inside two elements.It for the ordinary skill in the art, can be with The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
Embodiment one
The embodiment of the present invention one provides a kind of test macro for testing water-proof product, which is mainly used for anti-aquatic products Product are built-in with the waterproof performance test of waterproof ventilated membrane.Specifically, the waterproof product can be communication device, as intercom, Phone etc., is equipped with microphone in communication device, and communication device is also provided with by sound hole, external voice by air dielectric penetrate to Microphone is realized the voice transfer of communication device by sound wall.Due to by sound hole by the inside and outside connection of product, usually , can be by waterproof ventilated membrane be arranged between sound hole and microphone in order to make product reach waterproof purpose, which both may be used Microphone is conveyed to by sound wall to realize that external voice is crossed air dielectric and penetrated to interiors of products, while can also completely cut off liquid point Son enters interiors of products from by sound hole position, effectively avoids the dysfunctions such as microphone function failure.
Since waterproof ventilated membrane and microphone are separate component materials, after the assembling of interiors of products contact, waterproof and breathable Film and microphone are by close tolerance seal is not fully reached between sound wall, waterproof test percent of pass is lower, the embodiment of the present invention The test macro of offer by, by water droplet is instilled at sound hole, being blocked in product cover outside waterproof ventilated membrane by sound hole space, Both avoided the product extract air pressure inside carry out waterproof test when, outside air from by sound hole position by waterproof ventilated membrane into Enter to interiors of products, but can effectively monitor be mounted on interiors of products waterproof ventilated membrane it is whether good, and whether can effectively prevent Sealing molecule enters interiors of products.
As shown in fig. 3 to 7, the test macro includes test fixture 100, dripping water controller 200,300 and of waterproof tester Measuring and calculation machine 400, the test fixture 100 are connect with waterproof tester 300, and test fixture 100 and waterproof tester 300 divide It is not connect with measuring and calculation machine 400, dripping water controller 200 is loaded on test fixture 100, and the test fixture 100 further includes Pneumatic control mechanism 110.
The 100 integrated products loading of test fixture, pneumatic control, 300 enabling signal of control and waterproof tester of dripping Control test software data acquisition is controlled in one, one-key start, entire roboticized work.Specifically, the test fixture 100 includes Box body 120, the box body 120 can load PLC in box body 120 to carry pneumatic control mechanism 110 and dripping water controller 200 Control circuit board.The test fixture 100 further includes the first plate 130 of sequence setting from the bottom up, the Second Board 140 and the Three plates 150, first plate 130, the Second Board 140 and third plate 150 are coaxially connected by connector 160, described The Second Board 140 and third plate 150 are moved up and down by the control of pneumatic control mechanism 110.First plate 130 is fixed on box The upper surface of body 120, the upper surface of the first plate 130 is to carry fixed waterproof product to be measured.
The dripping water controller 200 includes clear water bearing tube 210 and the control valve 220 that drips, the lower end for the control valve 220 that drips Equipped with the syringe needle 221 that drips, the syringe needle 221 that drips passes through third plate 150 and the Second Board 140 and with product to be measured by sound hole pair Quasi- setting, realizes the control of drip position and the amount of dripping.Specifically, it is provided with clear water in clear water bearing tube 210, clear water passes through pipe Road is connected to the control valve 220 that drips, and the control valve 220 that drips is precisely controlled water yield realization and precisely drips.
The test fixture 100 further includes two switch buttons 170, one-key start, the preferred difference of the switch button 170 The two sides of box body 120 are set, it is necessary to while pressing and could start, avoid singlehanded starting.After starting switch button 170, pneumatically The control the Second Board 140 of control mechanism 110, which drops to, overlays product to be measured, prevents product from shaking, the preferably described the Second Board 140 Lower end surface be equipped with profiling product surface structure;Then pneumatic control mechanism 110 controls third plate 150 and the control valve that drips 220 decline together, and elastic component 180 is equipped between the Second Board 140 and third plate 150, utilizes pneumatic control mechanism 110 Control descending stroke control elastic component 180 decrement, thus the syringe needle 221 that drips for reaching the control valve 220 that drips protrude into it is to be measured Product then is carried out control of dripping by the depth of sound hole, is blocked waterproof ventilated membrane and is contacted with product outside air, after the completion of dripping, Pneumatic control mechanism 110 controls third plate 150 and rises, and drive is dripped, and (the Second Board 140 is kept the rising of control valve 220 at this time Compress Product Status), last waterproof tester 300 starts to be tested, and after the completion of test, outputs test data to measuring and calculation Machine 400, output display.
The pneumatic control mechanism 110 further includes escape pipe 111 and air inlet pipe 112.
Connector 160 between first plate 130, the Second Board 140 and third plate 150 can be rod piece, institute The quantity for stating rod piece can be four, respectively symmetrically be formed in four corners of plate, one end of the rod piece can be with One plate 130 is fixedly connected, and the Second Board 140 and third plate 150 can move up and down with respect to rod piece.Described second It is sliding that elastic component 180 between plate 140 and third plate 150 can be the support between the Second Board 140 and third plate 150 Spring is provided on bar, the quantity of the elastic component 180 can be four, in being symmetrically threaded through the Second Board 140 and third Between plate 150.
Nagano Feitian (Tianjin) instrument and meter Co., Ltd can be used in waterproof tester 300 described in the embodiment of the present invention FL-296B model waterproof tester is Full automatic digital test equipment, obtains enabling signal by test fixture 100, voluntarily complete Pairs of interiors of products air pressure extracts, balance metering, the detection of leakage atmospheric pressure value and test data be transmitted to computer testing software with Storage system realizes waterproof performance test.
Measuring and calculation machine described in the embodiment of the present invention 400 and test fixture 100 and waterproof tester 300 communicate to connect, And judgement is compared by test data of the special-purpose water-proof test software to waterproof tester 300, output test Pass or Fail as a result, and upload storage server is recorded.
The test macro of the embodiment of the present invention is directed to the waterproof electronic product of structure combination sealing type, is having compressed air In input, the good situation of 220V AC power source input status, using this test macro, IP67 grades and IP68 grades of waterproofs can be carried out Test, by taking intercom as an example, relevant parameter is as follows:
IP67 grades of waterproof test parameters: power supply: AC 220V 2KW;Compressed air input: -15Kpa (can pass through device pressure regulator valve It adjusts);It drips the time: 1s;The amount of dripping: 0.01ml;Delay time: 1s;Pumpdown time: 7s;Equilibration time: 5s;Test leakage It is worth the time: 5s;Evacuation time: 1s;Reveal criterion value range: -120Pa ~ 120Pa.
IP68 grades of waterproof test parameters: power supply: AC 220V 2KW;Compressed air input: -30Kpa (can pass through device tune Pressure valve is adjusted);It drips the time: 1s;The amount of dripping: 0.01ml;Delay time: 1s;Pumpdown time: 10s;Equilibration time: 25s;It surveys Try the leakage value time: 15s;Evacuation time: 5s;Reveal criterion value range: -90Pa ~ 90Pa.
The embodiment of the present invention by it is extra large can reach PD7 series intercom for, using being produced in this test system and test procedure for producing After product waterproof performance, disposable waterproof tests Yield lmproved 17.23%, and waterproof test non-defective unit output capacity is up to 97.55%, therefore this The test macro of inventive embodiments can reduce product test erroneous judgement to be measured, promote product waterproof test efficiency, prevent manually multiple Erroneous judgement when sentencing promotes product yield, avoids quality accident or customer complaint, can also save manpower, reduce cost.
Embodiment two
As shown in figure 8, second embodiment of the present invention provides the test methods of one testing water-proof product test macro of embodiment, including with Lower step:
Step S1: product to be measured is loaded to test fixture 100, starting test;
Step S2: dripping water controller 200 drips to product to be measured by sound hole, blocks by sound hole;
Step S3: waterproof tester 300 extracts interiors of products air pressure;
Step S4: waterproof tester 300 keeps interiors of products air pressure negative value balance;
Step S5: 300 test product of waterproof tester reveals negative pressure value.
Product to be measured is loaded in the step S1 specifically including to test fixture 100, product to be measured is loaded in the first plate (it can be manual operation, be also possible to machine automatization operation) on 130, pneumatic control mechanism 110 controls the Second Board 140 and declines To product to be measured is overlayed, then pneumatic control mechanism 110 controls the step that third plate 150 declines together with the control valve 220 that drips Suddenly.It is blocked after by sound hole in the step S2, further includes that pneumatic control mechanism 110 controls the rising of third plate 150, drive is dripped The step of control valve 220 rises.
The product of defective products can be detected in the step S3, step S4 and step S5.
The test method of the embodiment of the present invention is directed to the waterproof electronic product of structure combination sealing type, is having compressed air In input, the good situation of 220V AC power source input status, using this test method, IP67 grades and IP68 grades of waterproofs can be carried out Test, by taking intercom as an example, relevant parameter is as follows:
IP67 grades of waterproof test parameters: power supply: AC 220V 2KW;Compressed air input: -15Kpa (can pass through device pressure regulator valve It adjusts);It drips the time: 1s;The amount of dripping: 0.01ml;Delay time: 1s;Pumpdown time: 7s;Equilibration time: 5s;Test leakage It is worth the time: 5s;Evacuation time: 1s;Reveal criterion value range: -120Pa ~ 120Pa.
IP68 grades of waterproof test parameters: power supply: AC 220V 2KW;Compressed air input: -30Kpa (can pass through device tune Pressure valve is adjusted);It drips the time: 1s;The amount of dripping: 0.01ml;Delay time: 1s;Pumpdown time: 10s;Equilibration time: 25s;It surveys Try the leakage value time: 15s;Evacuation time: 5s;Reveal criterion value range: -90Pa ~ 90Pa.
The embodiment of the present invention is tested in procedure for producing using this test method and is produced so that sea can reach PD7 series intercom as an example After product waterproof performance, disposable waterproof tests Yield lmproved 17.23%, and waterproof test non-defective unit output capacity is up to 97.55%, therefore this The test method of inventive embodiments can reduce product test erroneous judgement to be measured, promote product waterproof test efficiency, prevent manually multiple Erroneous judgement when sentencing promotes product yield, avoids quality accident or customer complaint, can also save manpower, reduce cost.
Finally, it should be noted that above embodiments be only to illustrate the technical solution of the embodiment of the present invention rather than to its into Row limitation, although the embodiment of the present invention is described in detail referring to preferred embodiment, those skilled in the art It should be understood that the technical solution of the embodiment of the present invention can be still modified or replaced equivalently, and these are modified or wait The range of modified technical solution disengaging technical solution of the embodiment of the present invention cannot also be made with replacement.

Claims (10)

1. a kind of test macro for testing water-proof product, which is characterized in that the test macro includes test fixture, drips Controller, waterproof tester and measuring and calculation machine, the test fixture are connect with waterproof tester, test fixture and waterproof test Instrument is connect with measuring and calculation machine respectively, and dripping water controller is loaded on test fixture, and the test fixture further includes pneumatic control Mechanism.
2. being used for the test macro of testing water-proof product as described in claim 1, which is characterized in that the test fixture includes Box body, the box body is to carry pneumatic control mechanism and dripping water controller.
3. being used for the test macro of testing water-proof product as claimed in claim 2, which is characterized in that the test fixture also wraps Include the first plate, the Second Board and the third plate of sequence setting from the bottom up, first plate, the Second Board and third plate Block is coaxially connected by connector, and the Second Board and third plate are moved up and down by pneumatic control mechanism control.
4. being used for the test macro of testing water-proof product as claimed in claim 3, which is characterized in that first plate is fixed In the upper surface of box body, the upper surface of the first plate is to carry fixed waterproof product to be measured.
5. being used for the test macro of testing water-proof product as claimed in claim 3, which is characterized in that the dripping water controller packet Include clear water bearing tube and drip control valve, the lower end for the control valve that drips is equipped with the syringe needle that drips, the syringe needle that drips pass through third plate and The Second Board is simultaneously directed at setting by sound hole with product to be measured.
6. being used for the test macro of testing water-proof product as claimed in claim 3, which is characterized in that the Second Board and the Elastic component is equipped between three plates.
7. being used for the test macro of testing water-proof product as described in claim 1, which is characterized in that the test fixture also wraps Include two switch buttons.
8. a kind of test method of such as described in any item test macros for testing water-proof product of claim 1-7, special Sign is, comprising the following steps:
Step S1: product to be measured is loaded to test fixture, starting test;
Step S2: dripping water controller drips to product to be measured by sound hole, blocks by sound hole;
Step S3: waterproof tester extracts interiors of products air pressure;
Step S4: waterproof tester keeps interiors of products air pressure negative value balance;
Step S5: waterproof tester test product reveals negative pressure value.
9. the test method for the test macro of testing water-proof product as claimed in claim 8, which is characterized in that the step Product to be measured to test fixture is loaded in rapid S1 specifically including, product to be measured is loaded on the first plate, pneumatic control mechanism control The Second Board processed, which drops to, overlays product to be measured, and then pneumatic control mechanism control third plate and the control valve that drips decline together The step of.
10. the test method for the test macro of testing water-proof product as claimed in claim 9, which is characterized in that described It is blocked after by sound hole in step S2, further includes that pneumatic control mechanism control third plate rises, drive control valve rising of dripping Step.
CN201811613706.XA 2018-12-27 2018-12-27 Test macro and method for testing water-proof product Pending CN109406069A (en)

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Application Number Priority Date Filing Date Title
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CN112098305A (en) * 2020-11-04 2020-12-18 天津博益气动股份有限公司 Detection device and method for waterproof detection of waterproof breathable film
CN113125186A (en) * 2021-04-25 2021-07-16 歌尔微电子股份有限公司 Waterproof testing device

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CN108871675A (en) * 2018-04-16 2018-11-23 广东小天才科技有限公司 Detect method, apparatus, waterproof electronic product and the storage medium of waterproof performance
CN209416621U (en) * 2018-12-27 2019-09-20 深圳市海能达通信有限公司 Test macro for testing water-proof product

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Publication number Priority date Publication date Assignee Title
CN112098305A (en) * 2020-11-04 2020-12-18 天津博益气动股份有限公司 Detection device and method for waterproof detection of waterproof breathable film
CN113125186A (en) * 2021-04-25 2021-07-16 歌尔微电子股份有限公司 Waterproof testing device

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