CN209559717U - A kind of waterproof ventilated membrane waterproof detection device - Google Patents
A kind of waterproof ventilated membrane waterproof detection device Download PDFInfo
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- CN209559717U CN209559717U CN201822262386.XU CN201822262386U CN209559717U CN 209559717 U CN209559717 U CN 209559717U CN 201822262386 U CN201822262386 U CN 201822262386U CN 209559717 U CN209559717 U CN 209559717U
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- ventilated membrane
- waterproof ventilated
- waterproof
- water
- detection device
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Abstract
The utility model relates to test the permeability of porous material more particularly to a kind of waterproof ventilated membrane waterproof detection device.When in use, in the channel or access port seals fixed waterproof ventilated membrane to the waterproof ventilated membrane waterproof detection device of the utility model, and waterproof ventilated membrane is made to obstruct channel；Add water in the side of waterproof ventilated membrane and water is made to flood waterproof ventilated membrane completely；To the water surface press, detection under a certain pressure waterproof ventilated membrane the other side whether leak.When detecting the waterproof performance of waterproof ventilated membrane by the detection device of the utility model, it is to be pressed by stable static pressure to waterproof ventilated membrane, avoids influence caused by water impact in the prior art, improve the accuracy of detection.
Description
Technical field
The utility model relates to test the permeability of porous material more particularly to a kind of waterproof ventilated membrane waterproof detection dress
It sets.
Background technique
Nanotube bundle is mounted in a kind of water-proof breathable filter part on hydrogen test leak transmitter, and effect is filtering power generation
Steam in machine water tank.The Air permenbility that nanotube bundle needs to have certain, and certain pressure can be born, it is just avoided that because of steam
It enters in transmitter and causes sensor moisture damage.And hydrogen test leak transmitter can in time, accurately measure generator
The hydrogen of water tank internal leakage, and steady in a long-term can measure, the water pressure resistance of nanotube bundle and the performance of Air permenbility rise
Crucial effect is arrived.
There are many modes that waterproof detection is carried out for the waterproof ventilated membrane to similar nanotube bundle in the prior art.Such as award
Power notification number is CN206945229U, a kind of entitled China of the waterproof detection device for waterproof ventilated membrane of utility model is real
The mode that a kind of waterproof performance for detecting waterproof ventilated membrane is disclosed with new patent, waterproof ventilated membrane is pasted and fixed on
Then through-hole one end of waterproof test workpiece is that one end connection of the mistake water lines of the through-hole connection of waterproof test workpiece is vertical
The lower end of the water pipe of extension, water pipe is equipped with valve, after the water column of certain altitude is injected in water pipe, opens valve, water is in gravity
Under can flow to test piece by crossing water lines and kept off by waterproof ventilated membrane, by detection waterproof ventilated membrane whether leak come
Examine its waterproofness.But when using the detection of this detection mode, when crossing water lines under gravity stream due to water column edge, have
Biggish speed has biggish impact to waterproof ventilated membrane when flowing to waterproof ventilated membrane, is easy to rush waterproof ventilated membrane de-
Adhesive surface, or be easy to break through waterproof ventilated membrane, though waterproof ventilated membrane by water block, it is contemplated that the momentum of water flow is made
With, can the waterproof performance testing result to waterproof ventilated membrane impact.
Similarly, the entitled a kind of gas stream of waterproof ventilated membrane of application publication number CN108592989A, utility model
Mode of the utility model patent application with regard to the disclosed waterproof performance for detecting waterproof ventilated membrane of detection device is measured, although
By frock clamp by waterproof ventilated membrane clamping in the channel, by water pump filled the water into channel when, pass through adjusting pressuring knob energy
Enough control hydraulic pressure and flow velocity, but it still remains water flow to waterproof ventilated membrane there is a situation where impacting, it also can be to waterproof and breathable
The waterproof performance testing result of film impacts.
Utility model content
The purpose of this utility model is to provide a kind of accurate waterproof ventilated membrane waterproof detection devices of detection.
The waterproof ventilated membrane waterproof detection device of the utility model, including water containing chamber body, water containing chamber body have water filling port, note
Capping is sealed and installed on the mouth of a river, the bottom of water containing chamber body is equipped with the intercommunicating pore of perforation cavity wall, is tightly connected on the intercommunicating pore
There is waterproof ventilated membrane that workpiece is installed, waterproof ventilated membrane installation workpiece has the logical of connection intercommunicating pore and water containing chamber intracoelomic cavity
Road, waterproof ventilated membrane installation workpiece in be equipped with for by waterproof ventilated membrane be sealingly mounted in channel or access port position and incite somebody to action
The mounting structure of passageway break is additionally provided with the gas source connector for connecting high-pressure air source on water containing chamber body.
In the detection device detection using the utility model, waterproof ventilated membrane is mounted on waterproof ventilated membrane installation first
In workpiece, then waterproof ventilated membrane installation workpiece is sealingly mounted in intercommunicating pore, waterproof ventilated membrane is by passageway break at this time, i.e.,
Also water containing chamber body is separated with the external world, a certain amount of water is then added into water containing chamber body, and it is saturating so that the water surface is flooded waterproof completely
Air film closes water filling port, then connects high-pressure air source pressurising into water containing chamber body by gas source connector, detects under intercommunicating pore
Side whether leak.The present apparatus avoids impact of the water to waterproof ventilated membrane in use, ensure that the accurate of detection
Property, and structure is simple, and it is easy to use.
Further, the water containing chamber body is tubular chamber, and the upper end opening of tubular chamber constitutes the water filling port, convenient for note
Water.
Preferably, the intercommunicating pore is vertically extending, and the channel of the waterproof ventilated membrane installation workpiece is put down with axially bored line is connected to
Row, in this way in waterproof ventilated membrane leak, the water of leakage can be observed directly, and fast and easy learns the leak of waterproof ventilated membrane
Time.
Preferably, the sealing for installing workpiece and intercommunicating pore for convenience of waterproof ventilated membrane is installed, and the intercommunicating pore is threaded hole,
The waterproof ventilated membrane installation workpiece has external thread section, and through the external thread section spinning in intercommunicating pore.
Further, the water containing chamber body is provided with pressure-detecting device connector at the position close to bottom, exists in this way
Hydraulic pressure can be directly detected by pressure gauge when use, guarantee the accuracy of pressure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment one of waterproof ventilated membrane waterproof detection device；
Fig. 2 is the bottom view of Fig. 1；
Fig. 3 is the structural schematic diagram of nanotube bundle；
Description of symbols: 1- tubular chamber；10- intercommunicating pore；11- capping；12- closure gasket groove；2- pressure-detecting device connects
Head；3- waterproof ventilated membrane installs workpiece；The channel 30-；31- sealing ring；32- center bearing bracket；33- end cap；34- nut body；9- is anti-
Water ventilated membrane；4- gas source connector.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The embodiment one of the waterproof ventilated membrane waterproof detection device of the utility model, as shown in Figs. 1-2, including upper end opening
Tubular chamber 1, tubular chamber 1 be cylinder chamber, tubular chamber 1 as water containing chamber body for contain detects waterproof ventilated membrane used in water,
And end opening constitutes water filling port thereon.The side wall of tubular chamber 1 is equipped with gas source connector 4, seals peace at the upper end opening of tubular chamber 1
Equipped with capping 11.Specifically, the upper end inner wall of tubular chamber 1 is equipped with closure gasket groove 12, is inserted into tubular chamber 1 in capping 11
Opening when, pass through closure gasket groove 12 guarantee aperture position at hermetic seal.Seven connections are additionally provided on the bottom wall of tubular chamber 1
Hole 10 has in seven intercommunicating pores one to be located at center, remaining six annular groove be in center one is arranged circumferentially.Intercommunicating pore
10 be threaded hole, and is connected with waterproof ventilated membrane by internal screw thread and installs workpiece 3.
Specifically, as shown in figure 3, waterproof ventilated membrane installation workpiece 3 includes the nut body 34 with external thread section, nut body
34 periphery is also equipped with sealing ring 31 in the end of thread segment, and waterproof ventilated membrane installation workpiece 3 is also exactly based on the nut body
34 are sealingly mounted in intercommunicating pore.There is vertically communicated channel 30, the channel 30 and intercommunicating pore are substantially same in nut body 34
Axis.Waterproof ventilated membrane 9 is moulded in nut body 34 and obstructs channel 30, is equipped with support waterproof in nut body 34 also in channel 30
The center bearing bracket 32 of the medium position of ventilated membrane 9.Center bearing bracket 32 passes through circumferentially spaced multiple supporting legs and channel 30
Inner wall is fixedly connected.It further includes the end cap 33 for being mounted on 34 upper end of nut body, the circumferential direction of end cap 33 that waterproof ventilated membrane, which installs workpiece 3,
There are multiple radial through holes (i.e. arrow starting point pointed location in figure) on wall and guarantee that channel 30 is connected to water containing chamber body, such as
Waterproof ventilated membrane leak in fruit detection process, the water in water containing chamber body can be passed through by path as indicated with an arrow.
It should be noted that structure (the waterproof ventilated membrane installation workpiece for being equipped with waterproof ventilated membrane) as shown in Figure 3 is
Nanotube bundle, nanotube bundle are existing product, i.e., are embodied directly in waterproof and breathable using the structure of existing product in the present embodiment
To the fixation of waterproof ventilated membrane in film detection process, the part of the removing waterproof ventilated membrane of nanotube bundle constitutes above-described anti-
Water ventilated membrane installs workpiece, and certainly, in other embodiments, similar Shen Qing Publication can also be used in waterproof ventilated membrane installation workpiece
Number for CN108592989A application documents in detecting tool fixture structure, i.e., by special fixture to waterproof ventilated membrane
It is fixed.
In the detection device detection using the utility model, there is following waterproof detection method: first by waterproof ventilated membrane 9
It is mounted in waterproof ventilated membrane installation workpiece 3, then waterproof ventilated membrane installation workpiece 3 is sealingly mounted in intercommunicating pore 10, this
When waterproof ventilated membrane 9 channel 30 is separated, i.e., also water containing chamber body is separated with the external world；Then on pressure-detecting device connector 2
Pressure gauge is connected, a certain amount of water is added into water containing chamber body, and the water surface is made to flood waterproof ventilated membrane 9 completely, certainly, preferably makes
The water surface also floods pressure monitoring device connector 2, and capping 11 is screwed at the upper opening of tubular chamber 1 and closes water filling port, then
By gas source connector 4 connect high-pressure air source pressurising into water containing chamber body, detect intercommunicating pore downside whether leak.
Wherein, in more detail, it when being pressurizeed by high-pressure air source, slowly pressurizes, while observing pressure-detecting device inspection
The pressure value of survey stops pressure when pressure value slowly increases to 0.03MPa, and pressure maintaining 30s, channel is observed in calm water chamber bottom
Whether interior waterproof ventilated membrane downside has water stain or water droplet to be precipitated；As do not found drainage when 0.03Mpa, further inflate
Pressurization, makes pressure value rise to 0.05MPa, stops pressure, pressure maintaining 30s again, and calm water chamber bottom is observed anti-in channel
Whether water ventilated membrane downside has water stain or water droplet to be precipitated；The rest may be inferred, slowly increases gas pressure, successively increase pressure value
To 0.06MPa, 0.065MPa, 0.07MPa, 30s is waited respectively, it is water stain whether the waterproof ventilated membrane downside in observation channel has
Or water droplet is precipitated.It such as finds that there is drainage in waterproof ventilated membrane downside, then stops testing, record test pressure data.This reality
Apply in example, the waterproof criterion of acceptability of waterproof ventilated membrane be in pressure≤0.06MPa leak be determined as it is unqualified.
Existing skill is avoided when in conjunction with the detection of above-mentioned waterproof detection method using the waterproof detection device of the utility model
Impact of the water to waterproof ventilated membrane in art, presses to waterproof ventilated membrane with stable static pressure, ensure that the accuracy of detection,
And structure is simple, and it is easy to use.
Certainly, the waterproof detection device of the utility model and not only limit and above embodiment, such as the shape of water containing chamber body
Shape can be spherical, prismatic etc., or irregular shape, water filling port can be upper opening, or lateral openings；
Even, in some embodiments, water containing chamber body upper end is enclosuring structure, and the intercommunicating pore of bottom is used as water filling port, waterproof
Ventilated membrane installation workpiece is sealingly mounted at the lower position on intercommunicating pore and being in water containing chamber body, uses as enclosuring structure, this
When, water filling that water containing chamber body turns over is needed in water filling, is being turned around after waterproof ventilated membrane installation workpiece is installed in sealing.
Or in other embodiments, the hole of intercommunicating pore is arranged at intervals with connecting hole, waterproof ventilated membrane peace along upper circumferential direction
Filling workpiece has connecting flange, is tightly connected by the fastener being installed in connecting flange and connecting hole；Or in other realities
It applies in mode, the channel of intercommunicating pore and waterproof ventilated membrane installation workpiece not parallel can be arranged, such as waterproof ventilated membrane erector
The channel of part is horizontally disposed or is obliquely installed, and at this time if there is water leakage in the detection process, the water of leakage can be from intercommunicating pore stream
Out, or moisture content detection device can also be connected on intercommunicating pore and detected.
In other embodiments, gas source connector also can be set in capping, be preferably at the top of water containing chamber body
Position；Pressure-detecting device connector also can be set in the bottom or top of tubular chamber.
Claims (5)
1. a kind of waterproof ventilated membrane waterproof detection device, characterized in that including water containing chamber body, water containing chamber body has water filling port, note
Enclosuring structure is sealed and installed on the mouth of a river, the bottom of water containing chamber body is equipped with the intercommunicating pore of perforation cavity wall, seals on the intercommunicating pore
It is connected with waterproof ventilated membrane installation workpiece, waterproof ventilated membrane installation workpiece has connection intercommunicating pore and water containing chamber intracoelomic cavity
Channel, waterproof ventilated membrane installation workpiece in be equipped with for by waterproof ventilated membrane be sealingly mounted in channel or access port position and
By the mounting structure of passageway break, the gas source connector for connecting high-pressure air source is additionally provided on water containing chamber body.
2. waterproof ventilated membrane waterproof detection device according to claim 1, characterized in that the water containing chamber body is tubular
The upper end opening of chamber, tubular chamber constitutes the water filling port.
3. waterproof ventilated membrane waterproof detection device according to claim 1 or 2, characterized in that the intercommunicating pore vertically prolongs
It stretches, the channel of the waterproof ventilated membrane installation workpiece is parallel with connection axially bored line.
4. waterproof ventilated membrane waterproof detection device according to claim 1 or 2, characterized in that the intercommunicating pore is screw thread
Hole, the waterproof ventilated membrane installation workpiece have external thread section, and through the external thread section spinning in intercommunicating pore.
5. waterproof ventilated membrane waterproof detection device according to claim 1 or 2, characterized in that the water containing chamber body is leaning on
Pressure-detecting device connector is provided at the position of nearly bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822262386.XU CN209559717U (en) | 2018-12-30 | 2018-12-30 | A kind of waterproof ventilated membrane waterproof detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822262386.XU CN209559717U (en) | 2018-12-30 | 2018-12-30 | A kind of waterproof ventilated membrane waterproof detection device |
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| Publication Number | Publication Date |
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| CN209559717U true CN209559717U (en) | 2019-10-29 |
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| CN201822262386.XU Active CN209559717U (en) | 2018-12-30 | 2018-12-30 | A kind of waterproof ventilated membrane waterproof detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557011A (en) * | 2018-12-30 | 2019-04-02 | 光力科技股份有限公司 | A kind of waterproof ventilated membrane waterproof detection method and detection device |
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2018
- 2018-12-30 CN CN201822262386.XU patent/CN209559717U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557011A (en) * | 2018-12-30 | 2019-04-02 | 光力科技股份有限公司 | A kind of waterproof ventilated membrane waterproof detection method and detection device |
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