CN108240956A - The electronic low pressure force test device and method of waterproof roll impermeability test - Google Patents
The electronic low pressure force test device and method of waterproof roll impermeability test Download PDFInfo
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- CN108240956A CN108240956A CN201711383651.3A CN201711383651A CN108240956A CN 108240956 A CN108240956 A CN 108240956A CN 201711383651 A CN201711383651 A CN 201711383651A CN 108240956 A CN108240956 A CN 108240956A
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- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 157
- 230000003068 static effect Effects 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 5
- 238000010998 test method Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 239000006227 byproduct Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- 238000001514 detection method Methods 0.000 description 7
- 230000001154 acute effect Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to the electronic low pressure force test devices and method of waterproof roll impermeability test, the device includes pedestal, water storage cavity, water supply mechanism, detent mechanism, wherein solenoid valve is equipped between the entrance of water inlet pipe and static hydraulic pressure pressure supply pipe, water supply mechanism includes water inlet pipe, static hydraulic pressure pressure supply pipe, monitoring unit, processing unit, and during water supply, solenoid valve automatically opens, when water level rises to predeterminated position in static hydraulic pressure pressure supply pipe, solenoid valve is closed stopping and supplies water automatically；Washer is equipped on water storage cavity, detected sample is laid on washer, detent mechanism includes platen, multiple positioning units, locating rod, gag lever post and limiting plate, when detected sample positions, gag lever post is horizontally disposed with, limiting plate contradicts the bottom of gag lever post so that the periphery and middle part of platen are in stress.One aspect of the present invention can be automatically performed water supply；On the other hand under the positioning of platen periphery and the limiting at middle part, and pass through the sealing of washer, realize positioning.
Description
Technical field
The invention belongs to waterproof roll testing equipment fields, and in particular to a kind of electricity of waterproof roll impermeability test
Dynamic low pressure force test device, also relates to a kind of waterproof roll impermeability test method.
Background technology
At present, waterproof roll impermeability is tested, and is typically depressed and is carried out in Static Water, mainly by manually adding water, mesh
The mode of observing and controlling height carries out, but the height required in testing will often reach several meters or more, not only compare when water filling
Trouble, height, which controls, to be also difficult to accurately, this is also that such detection device is difficult to the reason of universal, while detect knot all the time
The accuracy of fruit is not also high.
Meanwhile impermeability detecting instrument, it is as its name suggests, exactly whether saturating for detecting waterproof material（It oozes）The instrument of water
Device, abbreviation water proof apparatus.At present, water proof apparatus is mainly by two kinds：One kind is high pressure water proof apparatus；Another kind is that low pressure is waterproof
Instrument.High pressure water proof apparatus therein is mainly by extraneous pressure, for example, using various tools such as booster pump, pressurization cylinders, to anti-
Water material is detected in the environment of high pressure, and low pressure water proof apparatus uses a water column, in water column under the pressure of water, really
The water protected in detection zone is close to detect material surface so that waterproof material is detected in the environment of low pressure.
And the positioning in detection process, detected sample is mainly located in, and make with tiling by detection zone using platen
It obtains detected sample to contact with water, and bear hydraulic pressure, whether observation platen has bright water to ooze out.Therefore, detected sample is stablized
Particularly significant, and existing positioning is positioned, is all that the periphery of platen is located by connecting with detection zone, therefore, is susceptible to compression
Non-uniform phenomenon, causing testing result, there are certain deviations.
Invention content
The technical problems to be solved by the invention are to overcome the deficiencies of the prior art and provide a kind of improved waterproof roll not
The electronic low pressure force test device of water penetration test, one side can be automatic according to height of water level in static hydraulic pressure pressure supply pipe
The closure of electromagnetism is controlled, is automatically performed water supply；On the other hand under the positioning of platen periphery and the limiting at middle part, while pass through washer
Sealed connection, realize the positioning of detected sample, it is ensured that the hydraulic pressure relative equilibrium that detected sample is subject to, improve testing result
Accuracy.
Meanwhile the present invention also provides a kind of waterproof roll impermeability test methods, are tested and filled by electronic low-pressure
The setting put so that detection is more convenient, and result is more accurate.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of electronic low pressure force test device of waterproof roll impermeability test, including：
Pedestal；
Water storage cavity for water storage and allows detected sample surface to be contacted with water and pressure-bearing；
Water supply mechanism, including be connected with water storage cavity water inlet pipe, be arranged on the static hydraulic pressure pressure supply pipe of water inlet pipe branch road,
The pressure that water applies detected sample in water storage cavity wherein can be calculated by height of water level in static hydraulic pressure pressure supply pipe；
Detent mechanism, including for detected sample is located on water storage cavity platen, positioned at the periphery of platen be used for will
Platen withholds multiple positioning units on water storage cavity；
Solenoid valve wherein is equipped between the entrance of water inlet pipe and static hydraulic pressure pressure supply pipe, water supply mechanism further includes monitoring Static Water
Pressure is for monitoring unit, the processing unit for controlling solenoid valve open or close of water level in pressure pipe, and wherein monitoring unit is with locating
Reason unit is connected, and monitoring unit is in off-position when water level does not rise to predeterminated position, and during water supply, solenoid valve is automatic
It opens, when water level rises to predeterminated position in static hydraulic pressure pressure supply pipe, monitoring unit, which is powered, to be started, and passed to processing unit
Information is passed, processing unit assigns close command to solenoid valve, and solenoid valve is closed stopping and supplies water automatically；
Washer is equipped on water storage cavity, detected sample is laid on washer, and detent mechanism is further included to be prolonged upwards from the middle part of platen
The locating rod stretched extends along the diametric(al) of platen and with the gag lever post that hole is passed through for locating rod top and is arranged on
Limiting plate in locating rod, wherein gag lever post both ends are connected with two positioning units of opposite sides, work as detected sample
During positioning, gag lever post is horizontally disposed with, and limiting plate contradicts the bottom of gag lever post so that the periphery and middle part of platen are in stress shape
State.
Preferably, monitoring unit includes the fixation electrode being fixed in static hydraulic pressure pressure supply pipe, positioned at fixed electrode
Top and can along the traveling electrode that static hydraulic pressure pressure supply length of tube direction moves up and down, with fixed electrode and traveling electrode phase
The relay of connection and the adjusting part for adjusting traveling electrode position in static hydraulic pressure pressure supply pipe, wherein fixed electricity
Extremely being set close to solenoid valve, relay is connected with processing unit, when the water level of rising contacts traveling electrode, fixed electrode,
Traveling electrode and relay form closed circuit.Therefore, in this example, hydraulic pressure is adjusted by the position of traveling electrode, so as to full
Sufficient different pressures requirement.
Specifically, fixed electrode flushes setting with the liquid level in water storage cavity.So that fixed electrode is in and is submerged state.
A specific implementation according to the present invention and preferred aspect, adjusting part include being arranged on static hydraulic pressure pressure supply pipe
The pulley part in portion；The actuator being set on the base；Traveling electrode is connected to around pulley part one end, the other end is connected to
Conducting wire on actuator.
Preferably, actuator includes the bearing being located on pedestal, the turntable being rotatably arranged on bearing, turns for driving
The rotating member of disk rotation, wherein conducting wire are wrapped on the turntable from end and are connected with relay circuit.
Specifically, rotating member is handle.By the rotation of handle, turntable rotation is realized, so as to fulfill the height of traveling electrode
Degree is adjusted.
Specifically, pulley part is the fixed pulley for being located in static hydraulic pressure pressure supply tube top portion.
Another specific implementation according to the present invention and preferred aspect are also set between solenoid valve and static hydraulic pressure pressure supply pipe
There is hand control valve, when supplying water, hand control valve is in opening state with solenoid valve.Accident is prevented, while has been worked as
Into after experiment, it can directly be closed the hand control valve.
Another specific implementation according to the present invention and preferred aspect, water supply mechanism, which is further included, to be connected and is used with water storage cavity
In the exhaust pipe for discharging water storage intracavity gas；The control valve being arranged on exhaust pipe.Convenient for completing to supply water, when exhaust pipe has water
During discharge, control valve is closed.
Preferably, water supply mechanism further includes the drainpipe connected with water storage cavity and for water in water storage cavity to be discharged；Setting
Control valve on drainpipe.It, can direct draining after the completion of experiment.
Preferably, at the top of water storage cavity equipped with from periphery, horizontal-extending extension, multiple positioning units are uniform outward
Respectively on extension.
Another specific implementation according to the present invention and preferred aspect, positioning unit includes fixed seat, one end rotation is set
The first strut in the fixed seat is put, is arranged on first strut the other end and can press to the second of the periphery of platen
Strut and the first strut of driving rotate and so that the lower end of the second strut is pressed on platen around fixed seat connection end
Positioning component.
Preferably, positioning component includes being rotatably arranged in fixed seat from lower end and intersecting setting with the first strut
Third strut, between third strut and the first strut and both ends are rotatablely connected respectively with third strut and the first strut
4th strut and be arranged on the 4th strut can by the fixture block part of the 4th strut locking opposite with the first strut, wherein when
When third strut is in vertical state, the lower end of the second strut is pressed on platen, and fixture block part is by the 4th strut and first
Rod lock.
Further, the second strut can move being arranged on the first strut of adjusting along length direction, limit
The both ends of bar are fixed on the second strut of symmetrical both sides.
Preferably, briquetting is additionally provided in the lower end of the second strut, and is additionally provided on the second strut for by second
The locking piece of bar locking opposite with the first strut.In the application, lock is respectively equipped in the junction of the second strut and the first strut
Tight nut.
Another specific implementation according to the present invention and preferred aspect, the rectangular triangle in fixed seat section, the right angle three
Angular to be fixedly connected on water storage cavity from a right-angle side and bevel edge is set inwardly, the first strut is pivoted by first and is arranged on
At one acute angle of gable top, third strut pivots another acute angle for being arranged on triangular base by second
Place, and third strut and the first strut are in the opposite sides of right angled triangle.
Preferably, the first strut includes perpendicular first support arm and second support arm, when fixture block part locks, first support arm
It is flushed with another right-angle side of right angled triangle, second support arm is vertically arranged with third strut.
Another specific implementation according to the present invention and preferred aspect, are equipped with locating slot, washer is located on water storage cavity
In locating slot, detent mechanism, which further includes to be arranged between washer and detected sample, is additionally provided with annular gasket.
In addition, being equipped with connecting portion in the middle part of platen, locating rod is removably arranged on connecting portion from lower end, across hole
Along the length direction extension of gag lever post in elongated hole, locating rod can move in elongated hole.
The present invention another technical solution be：A kind of waterproof roll impermeability test method, the process employs above-mentioned
Electronic low pressure force test device, its step are as follows：
1）, by product orientation to be detected on water storage cavity, then successively upwards be laid with filter paper, moisture indicating mixture layer, filter paper,
And platen is pressed on the filter paper of top layer, positioning unit is then operated, gag lever post is horizontally disposed with, and limiting plate contradicts gag lever post
Bottom so that the periphery and middle part of platen are in stress, realize positioning；
2）, adjust monitoring unit and set the height of water level, open solenoid valve, and the water flowing into water storage cavity, static hydraulic pressure pressure supply
The water level of pipe is gradually increasing, and after contacting traveling electrode, monitoring unit forms closed circuit and transmits information to processor,
Instruction is assigned from processor to solenoid valve again, solenoid valve is closed stopping and supplies water automatically；
3）, under the time of setting and constant-pressure conditions, by observe platen surface whether water seepage, when there is water exudation, then say
The performance of watertightness of the bright detected sample is undesirable；When anhydrous exudation, remove positioning unit and platen, observation filter paper and
The variation of moisture indicating mixture layer, and then judge the performance of watertightness of detected sample.
Due to the implementation of above technical scheme, the present invention has the following advantages that compared with prior art：
One aspect of the present invention can automatically control the closure of electromagnetism according to height of water level in static hydraulic pressure pressure supply pipe, be automatically performed confession
Water；On the other hand under the positioning of platen periphery and the limiting at middle part, while by the sealed connection of washer, detected sample is realized
Positioning, it is ensured that the hydraulic pressure relative equilibrium that detected sample is subject to improves the accuracy of testing result.
Description of the drawings
The present invention will be further described in detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the schematic front view of the electronic low pressure force test device of the present invention；
Fig. 2 is the enlarged diagram of detent mechanism in Fig. 1；
Fig. 3 is the partial schematic diagram of gag lever post in Fig. 1；
Wherein：1st, pedestal；
2nd, water storage cavity；20th, locating slot；21st, extension；
3rd, water supply mechanism；30th, water inlet pipe；31st, static hydraulic pressure pressure supply pipe；32nd, solenoid valve；33rd, monitoring unit；330th, fixed electricity
Pole；331st, traveling electrode；332nd, relay；333rd, adjusting part；A, pulley part（Fixed pulley）；B, actuator；B1, bearing；b2、
Turntable；B3, rotating member（Handle）；C, conducting wire；34th, processing unit；340th, processor；35th, exhaust pipe；36th, drainpipe；37th, it controls
Valve processed；38th, hand control valve；
4th, detent mechanism；40th, platen；41st, positioning unit；410th, fixed seat；411st, the first strut；4111st, first support arm；
4112nd, second support arm；412nd, the second strut；413rd, positioning component；4133rd, third strut；4134th, the 4th strut；4135th, fixture block
Part；414th, briquetting；415th, locking piece；42nd, washer；43rd, gasket；44th, locating rod；45th, gag lever post；450th, across hole；46th, it limits
Plate；A1, the first pivot；A2, the second pivot；
X, detected sample.
Specific embodiment
As shown in Figure 1 to Figure 3, the electronic low pressure force test device of the waterproof roll impermeability test of the present embodiment,
It includes pedestal 1；Water storage cavity 2 for water storage and allows detected sample surface X to be contacted with water and pressure-bearing；Water supply mechanism 3,
Including be connected with water storage cavity 2 water inlet pipe 30, be arranged on the static hydraulic pressure pressure supply pipe 31 of 30 roads of water inlet pipe, wherein passing through
Height of water level can calculate the pressure that water applies detected sample X in water storage cavity 2 in static hydraulic pressure pressure supply pipe 31；Detent mechanism
4, including for detected sample X is located on water storage cavity 2 platen 40, be used for platen 40 positioned at the periphery of platen 40
Withhold multiple positioning units 41 on water storage cavity 2.
Solenoid valve 32 is equipped between the entrance and static hydraulic pressure pressure supply pipe 31 of water inlet pipe 30, water supply mechanism 3 further includes prison
Monitoring unit 33, the processing unit 34 for controlling 32 open or close of solenoid valve of water level in the static hydraulic pressure pressure supply pipe 31 of control,
Wherein monitoring unit 33 is connected with processing unit 34, and monitoring unit 33 is in power-off when water level does not rise to predeterminated position
State, during water supply, solenoid valve 32 automatically opens, when water level rises to predeterminated position in static hydraulic pressure pressure supply pipe 31, monitoring
Unit 33, which is powered, to be started, and transmit information to processing unit 34, and processing unit 34 assigns close command, solenoid valve to solenoid valve 32
32 automatic are closed stop supplying water.
In this example, in order to realize detection of supplying water, water supply mechanism 3, which is further included, to be connected with water storage cavity 2 and is used for water storage cavity 2
The exhaust pipe 35 of interior gas discharge；It is connected with water storage cavity 2 and is used for the drainpipe 36 for discharging water in water storage cavity 2；And respectively
The control valve 37 being arranged on exhaust pipe 35 and drainpipe 36.During water supply, gas in water storage cavity 2 is discharged by exhaust pipe 35, when
When exhaust pipe 35 has water discharge, control valve 37 is closed.It, can be directly from 36 draining of drainpipe after the completion of experiment.
Meanwhile hand control valve 38 is additionally provided between solenoid valve 32 and static hydraulic pressure pressure supply pipe 31, when supplying water, manually
Control valve 38 is in opening state with solenoid valve 32.Accident is prevented, while after completing to test, can directly be closed the hand
Dynamic control valve 38.
Specifically, monitoring unit 33 includes the fixation electrode 330 being fixed in static hydraulic pressure pressure supply pipe 31, positioned at solid
It and can be along the traveling electrode 331 that static 31 length direction of hydraulic pressure pressure supply pipe moves up and down and fixed electricity above fixed electrode 330
Relay 332 that pole 330 is connected with traveling electrode 331 and for adjusting traveling electrode 331 in static hydraulic pressure pressure supply pipe 31
The adjusting part 333 of interior position, wherein fixed electrode 330 is set close to solenoid valve 32, relay 332 is connected with processing unit 34
Logical, when the water level of rising contacts traveling electrode 331, fixed electrode 330, traveling electrode 331 and the composition of relay 332 are closed back
Road.Therefore, in this example, hydraulic pressure is adjusted by the position of traveling electrode, so as to meet different pressures requirement.
In this example, fixed electrode 330 flushes setting with the liquid level in water storage cavity 2.So that fixed electrode 330 is in and is submerged
State also illustrates to be at this time zero to the pressure of detected sample.
Adjusting part 333 includes the pulley part a for being arranged on static 31 top of hydraulic pressure pressure supply pipe；The drive being arranged on pedestal 1
Moving part b；Traveling electrode 331 is connected to around pulley part a one ends, the other end is connected to conducting wire c on actuator b.
Actuator b includes the bearing b1 being located on pedestal 1, the turntable b2 being rotatably arranged on bearing b1, for driving
Turntable b2 rotation rotating member b3, wherein conducting wire c be wrapped on the turntable b2 from end and with 332 circuit communication of relay.
Specifically, rotating member b3 is handle.By the rotation of handle, turntable b2 rotations are realized, so as to fulfill traveling electrode
331 height is adjusted.
Specifically, pulley part a is the fixed pulley for being located in static 31 top of hydraulic pressure pressure supply pipe.
Processing unit 34 includes the processor 340 being connected between solenoid valve 32 and relay 332.
Washer 42 is equipped on water storage cavity 2, detected sample X is laid on washer 42.
Specifically, being equipped with locating slot 20 on water storage cavity 2, washer 42 is located in locating slot 20.
In this example, detent mechanism 4, which further includes to be arranged between 4 washer 42 of washer and detected sample X, is additionally provided with air ring
Piece 43, the locating rod 44 upwardly extended from the middle part of platen 40 extend and along the diametric(al) of platen 40 with for locating rod 44
The limiting plate 46 that top passes through the gag lever post 45 in hole 450 and is arranged in locating rod 44, wherein 45 both ends of gag lever post and phase
It is connected to two positioning units 41 of both sides, when detected sample X is positioned, gag lever post 45 is horizontally disposed, and limiting plate 46 supports
Touch the bottom of gag lever post 45 so that the periphery and middle part of platen 40 are in stress.
Connecting portion 400 is equipped at 40 middle part of platen, locating rod 44 is removably arranged on from lower end on connecting portion 400,
Across hole 450 along the length direction extension of gag lever post 45 in elongated hole, locating rod 44 can move in elongated hole.
At the top of water storage cavity 2 equipped with from periphery, horizontal-extending extension 21, multiple positioning units 41 uniformly divide outward
Not on extension 21.
The first strut in fixed seat 410 described in positioning unit 41 includes fixed seat 410, one end is rotatably arranged on
411st, it is arranged on 411 the other end of the first strut and second strut 412 on the periphery of platen 40 and driving first can be pressed to
Strut 411 is rotated around the connection of fixed seat 410 end and so that the lower end of the second strut 412 is pressed on the adjusting on platen 40
Component 333.
Adjusting part 333 includes being rotatably arranged in fixed seat 410 from lower end and intersecting setting with the first strut 411
Third strut 4133, between 4133 and first strut 411 of third strut and both ends respectively with third strut 4133 with
4th strut 4134 of the first strut 411 rotation connection and be arranged on the 4th strut 4134 can be by the 4th strut 4134
The fixture block part 4135 locked relatively with the first strut 411, wherein when third strut 4133 is in vertical state, the second strut
412 lower end is pressed on platen 40, and fixture block part 4135 locks the 4th strut 4134 and the first strut 411.
Second strut 412 can move being arranged on the first strut 411 of adjusting, gag lever post 45 along length direction
Both ends be fixed on the second strut 412 of symmetrical both sides.
Briquetting 414 is additionally provided in the lower end of the second strut 412, and is additionally provided on the second strut 412 for by second
The locking piece 415 of 412 and first strut of strut, 411 opposite locking.In the application, in the second strut 412 and the first strut 411
Junction is respectively equipped with locking nut.
The rectangular triangle in 410 section of fixed seat, the right angled triangle be fixedly connected on water storage cavity 2 from a right-angle side and
Bevel edge is set inwardly, and the first strut 411 is rotatably arranged on by the first pivot a1 at an acute angle of gable top, third branch
Bar 4133 is rotatably arranged on by the second pivot a2 at another acute angle of triangular base, and third strut 4133 and first
Bar 411 is in the opposite sides of right angled triangle.
First strut 411 includes perpendicular first support arm 4111 and second support arm 4112, when fixture block part 4135 locks,
First support arm 4111 is flushed with another right-angle side of right angled triangle, and second support arm 4112 is vertically arranged with third strut 4133.
In addition, in the application, washer 42 is ring-shaped cylinder flexible material, for ensureing detected sample with device sealing not
Leakage；Gasket 43 is annular flexible thin slice, is placed between material and washer to protect by gasket when the more fragile rapid wear of material
Material avoids damage to.
The detecting step of the present embodiment is as follows：
1）, first detected sample is placed on gasket, be then laid with filter paper, moisture indicating mixture layer, filter paper upwards successively,
And platen is pressed on the filter paper of top layer, then operate positioning unit so that when fixture block part locks, third strut and second
Arm is vertically arranged, and the second strut is pressed on the periphery of platen from the briquetting of bottom, while gag lever post is in horizontality, limiting plate
Contradict the bottom of gag lever post so that the periphery and middle part of platen are under stress, realize positioning；
2）, by the height of the rotation setting traveling electrode of turntable, open simultaneously the control valve on exhaust pipe, be closed on drainpipe
Control valve, then open hand control valve and solenoid valve, the water supply start into water storage cavity, after exhaust pipe there are flowing out,
The control valve being closed on exhaust pipe, the water level for being now placed in static hydraulic pressure pressure supply pipe is gradually increasing, after contacting traveling electrode,
Monitoring unit forms closed circuit and transmits information, then assign instruction from processor to solenoid valve to processor, and solenoid valve is automatic
It is closed and stops supplying water；
3）, under the time of setting and constant-pressure conditions, by observe platen surface whether water seepage, when there is water exudation, then say
The performance of watertightness of the bright detected sample is undesirable；When anhydrous exudation, remove positioning unit and platen, observation filter paper and
The variation of moisture indicating mixture layer, and then judge the performance of watertightness of detected sample.
The present invention is described in detail above, its object is to allow the personage for being familiar with this field technology that can understand this
The content of invention is simultaneously implemented, and it is not intended to limit the scope of the present invention, all Spirit Essence institutes according to the present invention
The equivalent change or modification of work should all cover within the scope of the present invention.
Claims (10)
1. a kind of electronic low pressure force test device of waterproof roll impermeability test, including：
Pedestal；
Water storage cavity for water storage and allows detected sample surface to be contacted with water and pressure-bearing；
Water supply mechanism, including be connected with the water storage cavity water inlet pipe, be arranged on the Static Water of the water inlet pipe branch road
Pressure applies detected sample wherein can calculate water in the water storage cavity by height of water level in static hydraulic pressure pressure supply pipe for pressure pipe
The pressure added；
Detent mechanism, including for detected sample is located on water storage cavity platen, positioned at the periphery of the platen use
In platen to be withheld to multiple positioning units on the water storage cavity；
It is characterized in that：
Solenoid valve is equipped between the entrance and the static hydraulic pressure pressure supply pipe of the water inlet pipe, the water supply mechanism further includes
Monitor monitoring unit, the processing list for controlling the solenoid valve open or close of water level in the static hydraulic pressure pressure supply pipe
Member, wherein monitoring unit are connected with the processing unit, and the monitoring unit described in when water level does not rise to predeterminated position
In off-position, during water supply, the solenoid valve automatically opens, until in the static hydraulic pressure pressure supply pipe water level rise to it is pre-
If during position, the monitoring unit, which is powered, to be started, and transmit information to the processing unit, and the processing unit is to described
Solenoid valve assigns close command, and the solenoid valve is closed stopping and supplies water automatically；
Washer is equipped on the water storage cavity, the detected sample is laid on the washer, and the detent mechanism is also
Including upwardly extend in the middle part of the platen locating rod, extend along the diametric(al) of the platen and with supplying the positioning
The limiting plate that bar top passes through the gag lever post in hole and is arranged in the locating rod, wherein the gag lever post both ends and phase
It is connected to the positioning unit described in two of both sides, when detected sample positions, the gag lever post is horizontally disposed with, described
Limiting plate contradict the bottom of the gag lever post so that the periphery and middle part of the platen are in stress.
2. the electronic low pressure force test device of waterproof roll impermeability test according to claim 1, feature exist
In：The monitoring unit includes the fixation electrode being fixed in the static hydraulic pressure pressure supply pipe, positioned at the fixation
It and can be along the traveling electrode and the fixed electricity that the static hydraulic pressure pressure supply length of tube direction move up and down above electrode
Relay that pole is connected with the traveling electrode and for adjusting the traveling electrode in the static hydraulic pressure pressure supply pipe
The adjusting part of position, wherein the fixed electrode is set close to the solenoid valve, the relay and the processing are single
Member is connected, and when the water level of rising contacts the traveling electrode, the fixation electrode, traveling electrode and relay composition are closed
Close circuit.
3. the electronic low pressure force test device of waterproof roll impermeability test according to claim 2, feature exist
In：The fixation electrode flushes setting with the liquid level in water storage cavity.
4. the electronic low pressure force test device of waterproof roll impermeability test according to claim 2, feature exist
In：The adjusting part includes the pulley part for being arranged on the static hydraulic pressure pressure supply pipe top；It is arranged on the pedestal
Actuator；The traveling electrode is connected to around the pulley part one end, the other end is connected to leading on the actuator
Line.
5. the electronic low pressure force test device of waterproof roll impermeability test according to claim 4, feature exist
In：The actuator includes the bearing being located on the pedestal, the turntable being rotatably arranged on the bearing, for driving
The rotating member of turntable rotation, wherein the conducting wire be wrapped on the turntable from end and with the relay circuit
Connection.
6. the electronic low pressure force test device of waterproof roll impermeability test according to claim 1, feature exist
In：The water supply mechanism further includes the exhaust pipe connected with the water storage cavity and for the water storage intracavity gas to be discharged；
It is connected with the water storage cavity and is used for the drainpipe for discharging water in the water storage cavity；It is separately positioned on the exhaust pipe and institute
State the control valve on drainpipe.
7. the electronic low pressure force test device of waterproof roll impermeability test according to claim 1, feature exist
In：At the top of the water storage cavity equipped with from periphery, horizontal-extending extension, multiple positioning units are uniform outward
Respectively on the extension, the positioning unit includes fixed seat, one end is rotatably arranged in the fixed seat
The first strut, be arranged on described first strut the other end and the periphery that the platen can be pressed to the second strut and
Driving first strut is rotated around fixed seat connection end and so that the lower end of second strut is pressed on
Positioning component on the platen.
8. the electronic low pressure force test device of waterproof roll impermeability test according to claim 7, feature exist
In：The positioning component includes being rotatably arranged in the fixed seat from lower end and intersecting setting with first strut
Third strut, between the third strut and first strut and both ends respectively with the third strut with it is described
4th strut of the first strut rotation connection and be arranged on the 4th strut can will the 4th strut and described the
The fixture block part of the opposite locking of one strut, wherein when the third strut is in vertical state, the lower end of second strut
It is pressed on the platen, the fixture block part is by the 4th strut and first rod lock.
9. the electronic low pressure force test device of waterproof roll impermeability test according to claim 7 or 8, feature
It is：Second strut can move being arranged on first strut of adjusting, the limit along length direction
The both ends of position bar are fixed on second strut of symmetrical both sides.
10. a kind of waterproof roll impermeability test method, it is characterised in that：The process employs any in claim 1 to 9
Electronic low pressure force test device described in, its step are as follows：
1）, by product orientation to be detected on water storage cavity, then successively upwards be laid with filter paper, moisture indicating mixture layer, filter paper,
And platen is pressed on the filter paper of top layer, positioning unit is then operated, gag lever post is horizontally disposed with, and the limiting plate contradicts institute
State the bottom of gag lever post so that the periphery and middle part of the platen are in stress, realize positioning；
2）, adjust monitoring unit and set the height of water level, open solenoid valve, and the water flowing into water storage cavity, static hydraulic pressure pressure supply
The water level of pipe is gradually increasing, and after contacting traveling electrode, monitoring unit forms closed circuit and transmits information to processor,
Instruction is assigned from processor to solenoid valve again, solenoid valve is closed stopping and supplies water automatically；
3）, under the time of setting and constant-pressure conditions, by observe platen surface whether water seepage, when there is water exudation, then say
The performance of watertightness of the bright detected sample is undesirable；When anhydrous exudation, remove positioning unit and platen, observation filter paper and
The variation of moisture indicating mixture layer, and then judge the performance of watertightness of detected sample.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711383651.3A CN108240956B (en) | 2017-12-20 | 2017-12-20 | Electric low-pressure testing device and method for waterproof coiled material impermeability test |
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| CN201711383651.3A CN108240956B (en) | 2017-12-20 | 2017-12-20 | Electric low-pressure testing device and method for waterproof coiled material impermeability test |
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| CN108240956B CN108240956B (en) | 2020-02-18 |
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| Publication number | Publication date |
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| CN108240956B (en) | 2020-02-18 |
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