CN106225999A - Multipoint mode probe and leakage sensor - Google Patents
Multipoint mode probe and leakage sensor Download PDFInfo
- Publication number
- CN106225999A CN106225999A CN201610671383.4A CN201610671383A CN106225999A CN 106225999 A CN106225999 A CN 106225999A CN 201610671383 A CN201610671383 A CN 201610671383A CN 106225999 A CN106225999 A CN 106225999A
- Authority
- CN
- China
- Prior art keywords
- conductive layer
- upper conductive
- multipoint mode
- underlying conductive
- detection plate
- 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
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/20—Status alarms responsive to moisture
Abstract
The invention discloses a kind of multipoint mode in leakage sensor probe, including at least one piece for the detection plate being connected with resistance measuring instrument;Detection plate every piece described is both provided with multiple detection hole;Described detection plate includes the Upper conductive layer for electrically connecting with described resistance measuring instrument, for the underlying conductive layer electrically connected with described resistance measuring instrument and the middle layer insulating being arranged between described Upper conductive layer and described underlying conductive layer;Each described detection hole extends through described Upper conductive layer, described middle layer insulating and described underlying conductive layer.The invention also discloses a kind of leakage sensor.Multipoint mode probe that the present invention provides and leakage sensor, by increasing substantial amounts of detection hole or test point, expand detection region, it is simple to user is arranged in it may happen that the position that leaks, is greatly improved the ability of anticipation of leaking, and cost is also effectively controlled.
Description
Technical field
The present invention relates to leak water detdction technology device technical field, particularly relate to a kind of multipoint mode probe and sensing of leaking
Device.
Background technology
As it is shown in figure 1, leakage sensor the most on the market typically has a limited number of even number of electrodes 1 ' and (such as adopts
With pair of electrodes, two pairs of electrodes, four pairs of electrodes etc.), utilize 1 ', electrode have water and anhydrous time change in resistance, it may be judged whether
Leak.
But its test point is limited, being only capable of carrying out the position at electrode 1 ' place leak water detdction, leak it is random to exist simultaneously
Characteristic, the detection region of leakage sensor of the prior art is little, it is impossible to meet risk ability to predict of leaking.
Summary of the invention
It is an object of the invention to overcome defect of the prior art, it is provided that a kind of detection region is big, pre-to risk of leaking
The much higher dot type probe of ability of sentencing and leakage sensor.
Technical solution of the present invention provide a kind of in leakage sensor multipoint mode probe, including at least one piece for
The detection plate that resistance measuring instrument connects;Detection plate every piece described is both provided with multiple detection hole;Described detection plate includes using
In the Upper conductive layer electrically connected with described resistance measuring instrument, for the underlying conductive layer electrically connected with described resistance measuring instrument and
It is arranged in the middle layer insulating between described Upper conductive layer and described underlying conductive layer;Each described detection hole extends through
Described Upper conductive layer, described middle layer insulating and described underlying conductive layer.
Further, this multipoint mode probe includes at least two blocks of described detection plates;Two blocks of described detection plates of arbitrary neighborhood
Link together by connecting assembly;Described connection assembly includes Upper conductive sheet and underlying conductive sheet;Described Upper conductive sheet
Being connected between adjacent two described Upper conductive layer, described underlying conductive sheet is connected to the described underlying conductive of adjacent two
Between Ceng.
Further, one block of described detection plate at least two blocks of described detection plates electrically connects with described resistance measuring instrument.
Further, described connection assembly also includes for described Upper conductive sheet and described underlying conductive sheet being fastened on
The adjacent insulated fastener on two described detection plates.
Further, described insulated fastener includes buckle body and the clasp end at the two ends being arranged on described buckle body;
Each described clasp end is each passed through described underlying conductive sheet, described detection plate and described Upper conductive sheet, and by under described
Layer conducting strip, described detection plate and described Upper conductive sheet are locked together.
Further, being provided with elastic seal ring in described buckle main body, described elastic seal ring is looped around described button
Hold the bottom of end.
Further, each described clasp end includes two barbs being oppositely arranged, and two described barbs are spaced to be set
Put.
Further, multiple described detection holes are distributed on described detection plate.
Technical solution of the present invention also provides for a kind of leakage sensor, including resistance measuring instrument and aforementioned arbitrary technical scheme institute
The multipoint mode probe described;Described multipoint mode probe in Upper conductive layer and underlying conductive layer respectively with described resistance measuring instrument
Electrical connection.
Further, the warning unit electrically connected with described resistance measuring instrument is also included;Described warning unit is detecting
When resistance value between described Upper conductive layer and described underlying conductive layer is less than preset alert threshold value, will give a warning information.
Use technique scheme, have the advantages that
By arranging detection plate, detection plate is set to be made up of Upper conductive layer, intermediate insulation plate and underlying conductive layer,
Arranging multiple detection hole on detection plate, Upper conductive layer, intermediate insulation plate and underlying conductive layer are run through in each detection hole, each
Detection hole is all equivalent to two electrodes of the prior art.
When not leaking, Upper conductive layer and underlying conductive layer are not electrically conducted, and resistance between the two is maximum;
When somewhere leaks, water can enter in the detection hole at this, thus Upper conductive layer and underlying conductive layer is electrically conducted, this
Time Upper conductive layer and underlying conductive layer between resistance will diminish, after resistance measuring instrument detects above-mentioned change in resistance, will
Determine whether to leak.
The multipoint mode that the present invention provides is popped one's head in and leakage sensor, by increasing substantial amounts of detection hole or test point, expands
Detection region, it is simple to user is arranged in it may happen that the position that leaks.According to products characteristics or the arrangement position of water pipe, can
Arbitrarily coordinate and increase multipoint mode probe, compared with existing product on market, the ability of anticipation of leaking is greatly improved, cost
Also it is effectively controlled.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of leakage sensor of the prior art;
The structural representation of the multipoint mode probe that Fig. 2 provides for one embodiment of the invention;
Fig. 3 is the partial sectional view of the detection plate shown in Fig. 1;
Fig. 4 is two pieces of detection plate connection diagrams;
Fig. 5 is to connect assembly and the enlarged diagram of two pieces of detection plate connections;
Fig. 6 is the structural representation of insulated fastener;
The schematic diagram of the leakage sensor that Fig. 7 provides for one embodiment of the invention.
Reference synopsis:
1 '-electrode;
1-detects plate;11-Upper conductive layer;12-underlying conductive layer;
Layer insulating in 13-;2-detects hole;3-connects assembly;
31-Upper conductive sheet;32-underlying conductive sheet;33-insulated fastener;
331-buckle main body;332-clasp end;333-barb;
334-interval trough;335-elastic seal ring;4-resistance measuring instrument;
5-wire.
Detailed description of the invention
Further illustrate the detailed description of the invention of the present invention below in conjunction with the accompanying drawings.The most identical parts are with identical
Reference represents.It should be noted that the word "front", "rear" used in describing below, "left", "right", "up" and "down"
Referring to the direction in accompanying drawing, word " interior " and " outward " refer respectively to the direction towards or away from particular elements geometric center.
As shown in Fig. 2-3 and Fig. 7, the probe of the multipoint mode in leakage sensor that one embodiment of the invention provides, bag
Include at least one piece for the detection plate 1 being connected with resistance measuring instrument 4.
Every block of detection plate 1 is both provided with multiple detection hole 2.
Detection plate 1 includes the Upper conductive layer 11 for electrically connecting with resistance measuring instrument 5, for electric with resistance measuring instrument 5
The underlying conductive layer 12 connected and the middle layer insulating 13 being arranged between Upper conductive layer 11 and underlying conductive layer 12.
Each detection hole 2 extends through Upper conductive layer 11, middle layer insulating 13 and underlying conductive layer 12.
Each detection hole 2 is equivalent to two electrodes of the prior art.When not leaking, Upper conductive layer 11 and under
Layer conductive layer 12 is not electrically conducted, and resistance between the two is maximum.
When somewhere leaks, water can enter in the detection hole 2 at this, thus by Upper conductive layer 11 and underlying conductive layer
12 electrically conduct, and now the resistance between Upper conductive layer 11 and underlying conductive layer 12 will diminish, and resistance measuring instrument 5 detects
After stating change in resistance, it is judged that leak at this.
Thus, the multipoint mode probe that the present invention provides, simple in construction, it is easily installed, and by increasing substantial amounts of detection hole
Or test point, expand detection region, it is simple to user is arranged in it may happen that the position that leaks, with existing product phase on market
Ratio, is greatly improved to the ability of anticipation of leaking, and cost is also effectively controlled.
Upper conductive layer 11 and underlying conductive layer 12 are preferably metal conducting layer, and middle layer insulating 13 is preferably plastic material
Layer.
It is preferred that as illustrated in figures 4-5, this multipoint mode probe includes at least two blocks of detection plates 1, two detections of arbitrary neighborhood
Plate 1 links together by connecting assembly 3.
Connecting assembly 3 and include Upper conductive sheet 31 and underlying conductive sheet 32, Upper conductive sheet 31 is connected to adjacent two
Between Upper conductive layer 11, underlying conductive sheet 32 is connected between adjacent two underlying conductive layer 12 so that two pieces or
The Upper conductive layer 11 of polylith detection plate 2 turns on, and underlying conductive layer 12 is also switched on, and has been achieved in that the continuation that multipoint mode is popped one's head in is expanded
Exhibition, expands area of detection or region.According to products characteristics or water pipe arrangement position, increase multipoint mode can be arbitrarily coordinated to visit
Head, meets different demands.
Upper conductive sheet 31 and underlying conductive sheet 32 are preferably metallic conduction sheet.
It is preferred that one block of detection plate 1 at least two blocks of detection plates 1 electrically connects with resistance measuring instrument 5.Resistance measuring instrument 5
Only electrically connect with one block of detection plate 1, thus without considering whether the position at other detection plate 1 place can connect up so that
Circuit connects convenient.
It is preferred that as Figure 4-Figure 6, connect assembly 3 and also include for by tight to Upper conductive sheet 31 and underlying conductive sheet 32
Gu the insulated fastener 33 on two adjacent detection plates 1.By arranging insulated fastener 33, on the one hand can be by Upper conductive sheet
31 and underlying conductive sheet 32 be fastened on adjacent two detection plate 1, on the other hand avoid electric impact resistance detection.
Insulated fastener 33 is preferably plastic buckle or plastic fastening.
It is preferred that as seen in figs. 5-6, insulated fastener 33 includes buckle body 331 and is arranged on the two ends of buckle body 331
Clasp end 332.
Each clasp end 332 is each passed through underlying conductive sheet 32, detection plate 1 and Upper conductive sheet 31, and lower floor is led
Electricity sheet 32, detection plate 1 and Upper conductive sheet 31 are locked together.
Clasp end 332 can pass from Upper conductive sheet 31, it is also possible to passes from underlying conductive sheet 32, and it can be by upper strata
Conducting strip 31 is fastened on adjacent two Upper conductive layer 11, and underlying conductive sheet 32 is fastened on adjacent two underlying conductive
On layer 12.
It is preferred that as seen in figs. 5-6, buckle main body 31 is provided with elastic seal ring 335, elastic seal ring 335 ring
It is wound on the bottom of clasp end 332.Elastic seal ring 335 has elasticity, when assembling so that conducting strip is connected with conductive layer can
Lean on.
It is preferred that as shown in Figure 6, each clasp end 332 includes two barbs being oppositely arranged 333, two barb 333 phases
It is spaced setting mutually.Thus it is formed with interval trough 334 between, at clasp end 332 through underlying conductive sheet 32, detection plate 1
During with hole in Upper conductive sheet 31, two barbs 333 can deform upon, and is beneficial to pass from hole.Pass at two barbs 333
After hole, two barbs 333 can deform upon again, and underlying conductive sheet 32, detection plate 1 and Upper conductive sheet 31 are clamped on one
Rise.
It is preferred that as in figure 2 it is shown, multiple detection hole 2 is distributed on detection plate 1, to leaking, region is uniformly detected, and keeps away
Exempt from because detection the uneven of hole causes missing inspection.
As it is shown in fig. 7, the leakage sensor that one embodiment of the invention provides, including resistance measuring instrument 5 and aforementioned arbitrary skill
Multipoint mode probe described by art scheme.
Upper conductive layer 11 and underlying conductive layer 12 in multipoint mode probe electrically connect with resistance measuring instrument 5 respectively.
Structure, structure and the operation principle of relevant multipoint mode probe, detailed earlier herein, do not repeat them here.
Upper conductive layer 11 and underlying conductive layer 12 are electrically connected with resistance measuring instrument 5 by wire respectively.
When there being the detection plate 1 of more than two pieces, resistance measuring instrument 5 only electrically connects with one of detection plate 1.
When somewhere leaks, water enters in the detection hole 2 at this, thus by Upper conductive layer 11 and underlying conductive layer 12
Electrically conducting, now the resistance between Upper conductive layer 11 and underlying conductive layer 12 will diminish, and resistance measuring instrument 5 detects above-mentioned
After change in resistance, it is judged that leak at this.
It is preferred that leakage sensor also includes the warning unit (not shown) electrically connected with resistance measuring instrument 6.
Warning unit is less than preset alert threshold in the resistance value detected between Upper conductive layer 11 and underlying conductive layer 12
During value, will give a warning information.
Preset alert threshold value is resistance R between the Upper conductive layer 11 and underlying conductive layer 12 not electrically conducted0。
When leaking, Upper conductive layer 11 and underlying conductive layer 12 are turned on by water, and resistance R between the two is less than R0。
Now, the information of giving a warning is pointed out by warning unit.Warning message includes with alarm bell, voice, light mode
Remind.
It is pointed out that when Upper conductive layer 11 and underlying conductive layer 12 do not electrically conduct, resistance between the two
Maximum, when Upper conductive layer 11 and underlying conductive layer 12 electrically conduct, resistance between the two will diminish, along with detection hole 2
The increase of middle current, resistance between the two will taper into.
In sum, the leakage sensor that the present invention provides, by increasing substantial amounts of detection hole or test point, expand inspection
Surveying region, it is simple to user is arranged in it may happen that the position that leaks, is greatly improved the ability of anticipation of leaking, cost is also
To effectively controlling.
As required, above-mentioned each technical scheme can be combined, to reach best-of-breed technology effect.
Above-described is only principle and the preferred embodiment of the present invention.It should be pointed out that, the common skill for this area
For art personnel, on the basis of the principle of the invention, it is also possible to make other modification some, also should be regarded as the protection model of the present invention
Enclose.
Claims (10)
1. the multipoint mode probe in the leakage sensor, it is characterised in that include at least one piece for resistance measurement
The detection plate that instrument connects;
Detection plate every piece described is both provided with multiple detection hole;
Described detection plate include the Upper conductive layer for electrically connecting with described resistance measuring instrument, for described resistance measuring instrument
The underlying conductive layer electrically connected and the middle layer insulating being arranged between described Upper conductive layer and described underlying conductive layer;
Each described detection hole extends through described Upper conductive layer, described middle layer insulating and described underlying conductive layer.
Multipoint mode the most according to claim 1 is popped one's head in, it is characterised in that this multipoint mode probe includes at least two pieces of described inspections
Drafting board;
Two blocks of described detection plates of arbitrary neighborhood link together by connecting assembly;
Described connection assembly includes Upper conductive sheet and underlying conductive sheet;
Described Upper conductive sheet is connected between adjacent two described Upper conductive layer, and described underlying conductive sheet is connected to adjacent
Two described underlying conductive layer between.
Multipoint mode the most according to claim 2 is popped one's head in, it is characterised in that described in a piece at least two blocks of described detection plates
Detection plate electrically connects with described resistance measuring instrument.
4. pop one's head according to the multipoint mode described in Claims 2 or 3, it is characterised in that described connection assembly also includes for by institute
State Upper conductive sheet and described underlying conductive sheet is fastened on the insulated fastener on adjacent two described detection plate.
Multipoint mode the most according to claim 4 is popped one's head in, it is characterised in that described insulated fastener includes buckle body and setting
Clasp end at the two ends of described buckle body;
Each described clasp end is each passed through described underlying conductive sheet, described detection plate and described Upper conductive sheet, and by institute
State underlying conductive sheet, described detection plate and described Upper conductive sheet to be locked together.
Multipoint mode the most according to claim 5 is popped one's head in, it is characterised in that be provided with elastic packing in described buckle main body
Circle, described elastic seal ring is looped around the bottom of described clasp end.
Multipoint mode the most according to claim 5 is popped one's head in, it is characterised in that each described clasp end includes that two are oppositely arranged
Barb, two spaced settings of described barb.
8. pop one's head according to the multipoint mode described in any claim in claim 1-3, it is characterised in that multiple described detection holes
It is distributed on described detection plate.
9. a leakage sensor, it is characterised in that include in resistance measuring instrument and claim 1-8 described in any claim
Multipoint mode probe;
Upper conductive layer and underlying conductive layer in described multipoint mode probe electrically connect with described resistance measuring instrument respectively.
Leakage sensor the most according to claim 9, it is characterised in that also include electrically connecting with described resistance measuring instrument
Warning unit;
Described warning unit is alert less than presetting in the resistance value detected between described Upper conductive layer and described underlying conductive layer
When accusing threshold value, will give a warning information.
Priority Applications (1)
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CN201610671383.4A CN106225999A (en) | 2016-08-15 | 2016-08-15 | Multipoint mode probe and leakage sensor |
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CN201610671383.4A CN106225999A (en) | 2016-08-15 | 2016-08-15 | Multipoint mode probe and leakage sensor |
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Family
ID=57547416
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108445339A (en) * | 2017-02-16 | 2018-08-24 | 通用汽车环球科技运作有限责任公司 | The leak testing method of low electric conductivity part |
CN110006596A (en) * | 2019-04-20 | 2019-07-12 | 清华大学 | A kind of static seal leak detecting device |
CN110987328A (en) * | 2019-12-11 | 2020-04-10 | 深圳万慧通自动化有限公司 | Cable formula location detection device that leaks |
CN111480066A (en) * | 2017-12-18 | 2020-07-31 | 拓自达电线株式会社 | Liquid detection sensor and liquid detection device |
WO2022127996A1 (en) * | 2020-12-17 | 2022-06-23 | Soluvent UG (haftungsbeschränkt) | Sensor device and method for detecting the presence of media using a sensor device |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108445339A (en) * | 2017-02-16 | 2018-08-24 | 通用汽车环球科技运作有限责任公司 | The leak testing method of low electric conductivity part |
CN111480066A (en) * | 2017-12-18 | 2020-07-31 | 拓自达电线株式会社 | Liquid detection sensor and liquid detection device |
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CN110006596B (en) * | 2019-04-20 | 2021-04-06 | 清华大学 | Static seal leakage detection device |
CN110987328A (en) * | 2019-12-11 | 2020-04-10 | 深圳万慧通自动化有限公司 | Cable formula location detection device that leaks |
WO2022127996A1 (en) * | 2020-12-17 | 2022-06-23 | Soluvent UG (haftungsbeschränkt) | Sensor device and method for detecting the presence of media using a sensor device |
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Application publication date: 20161214 |