CN106383011A - Water leakage sensor - Google Patents
Water leakage sensor Download PDFInfo
- Publication number
- CN106383011A CN106383011A CN201610697831.8A CN201610697831A CN106383011A CN 106383011 A CN106383011 A CN 106383011A CN 201610697831 A CN201610697831 A CN 201610697831A CN 106383011 A CN106383011 A CN 106383011A
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- CN
- China
- Prior art keywords
- probe
- water inlet
- sealing member
- leakage sensor
- inlet pipe
- 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.)
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Classifications
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- 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
- G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/183—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for pipe joints or seals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a water leakage sensor, which comprises a main body and a resistance measuring instrument, and is characterized in that the main body comprises a water inlet pipe and a water outlet pipe which are used for being connected with a water supply pipe, the water inlet pipe is internally provided with a sealing element; the sealing element can open or close according to pressure variations between two sides of the sealing element; the main body is further configured with a detection probe used for detecting resistance between the two sides of the sealing element, and the detection probe is electrically connected with the resistance measuring instrument. The water leakage sensor provided by the invention can be assembled on the water supply pipe to act as a one-way valve in use, so that the cost is saved, water leakage of any water outlet end of the water supply pipe can be detected, and the detection range is expanded.
Description
Technical field
The present invention relates to leak water detdction technology device technical field, more particularly, to a kind of leakage sensor.
Background technology
The detection range of leakage sensor on the market and test point are limited at present, and leak must be passed by user when using
Sensor is placed on the high exact position of leak risk, and the detection range of sensor so just can be made to be covered to.But leak has
Random characteristic, once the detection range of leakage point separating sensor, leak cannot point out.But if user at home or
Arrange in public bathroom place that substantial amounts of leak passes device, cost increase certainly will be caused.
Content of the invention
It is an object of the invention to overcoming defect of the prior art, provide one kind can be arranged on, in water terminal, carrying
The high leakage sensor of leak water detdction scope.
Technical solution of the present invention provides a kind of leakage sensor, including main body and resistance measuring instrument；Described main body includes
For the water inlet pipe that is connected with feed pipe and outlet pipe；It is provided with sealing member in described water inlet pipe；Described sealing member being capable of root
Open and close according to the pressure change between its both sides；Described main body is also configured with for detect described sealing member two
The detection probe of the resistance between side, described detection probe is electrically connected with described resistance measuring instrument.
Further, described detection probe includes two probes；Along in the water (flow) direction in described main body, wherein one
The probe of probe described in root is arranged in the upstream side of described sealing member, the described probe arrangement of another described probe
Downstream in described sealing member.
Further, the described probe of a wherein described probe is arranged in described water inlet pipe, described in another
The described probe of probe is arranged in described outlet pipe.
Further, it is provided with hollow cavity in described main body, the outlet pipe water inlet of described outlet pipe is positioned at described
In hollow cavity；The described probe of a wherein described probe is arranged in described water inlet pipe, another described probe
Described probe is arranged in described hollow cavity.
Further, described sealing member is arranged on the water inlet pipe outlet of described water inlet pipe.
Further, described sealing member includes flexible gasket and sealing pad support；Described flexible gasket is arranged on
On described sealing pad support, and towards the setting of described water inlet pipe outlet side；The edge of described flexible gasket is connected to institute
State in main body.
Further, the edge of described flexible gasket is provided with bending section.
Further, fluted and convex towards the side setting of described flexible gasket on described sealing pad support
Muscle；Described convex tendon passes through described flexible gasket, is at least partially disposed in described groove in described flexible gasket.
Further, also include the warning unit electrically connecting with described resistance measuring instrument；Described warning unit is detecting
The resistance value of described sealing member both sides is more than default minimum warning threshold, and during less than maximum warning threshold, will give a warning letter
Breath.
Further, described main body includes housing and is removably engaged in described case top lid body；Described water inlet pipe sets
Put on the housing, described outlet pipe is arranged on described lid.
Using technique scheme, have the advantages that：
By setting water inlet pipe and outlet pipe in main body, such that it is able to leakage sensor is arranged on going out with water terminal
On the mouth of a river, by detecting the resistance variations of sealing member both sides, and then judge that water side is in closed mode, opening also
It is in leak condition.
By arranging above-mentioned sealing member, this leakage sensor is also used as check valve and uses.
To sum up, the leakage sensor that the present invention provides, can be assembled in and use as check valve on feed pipe, save into
This, any one water side leak in feed pipe can be detected, and expands detection range.
Brief description
The schematic diagram of the leakage sensor that Fig. 1 provides for one embodiment of the invention；
Fig. 2 is the exploded perspective view of main body；
Fig. 3 is the sectional view of leakage sensor；
Fig. 4 is the structural representation of flexible gasket；
Fig. 5 is the structural representation of sealing pad support.
Reference synopsis：
1- main body；11- housing；12- lid；
13- hollow cavity；2- water inlet pipe；21- external screw thread；
22- water inlet pipe outlet；3- outlet pipe；31- external screw thread；
32- outlet pipe water inlet；4- resistance measuring instrument；5- detection probe；
51- probe；511- probe；6- sealing member；
61- flexible gasket；611- bending section；612- installation through-hole；
62- seals pad support；621- groove；622- convex tendon.
Specific embodiment
To further illustrate the specific embodiment of the present invention below in conjunction with the accompanying drawings.Wherein identical parts identical
Reference represents.It should be noted that word "front", "rear", "left", "right", "up" and "down" used in describing below
Refer to the direction in accompanying drawing, word " interior " and " outward " refer respectively to the direction towards or away from particular elements geometric center.
As Figure 1-3, the leakage sensor that one embodiment of the invention provides, including main body 1 and resistance measuring instrument 4.
Main body 1 includes water inlet pipe 2 and outlet pipe 3 for being connected with feed pipe.
Be provided with sealing member 6 in water inlet pipe 2, sealing member 6 can be opened according to the pressure change between its both sides and
Close.
Main body 1 is also configured with for detect sealing member 6 both sides between resistance detection probe 5, detection probe 5
Electrically connect with resistance measuring instrument 6.
This leakage sensor can be arranged on feed pipe by water inlet pipe 2 and outlet pipe 3.For the ease of with feed pipe even
Connect, external screw thread 21 is provided with water inlet pipe 2, external screw thread 31 is provided with outlet pipe 3.
It is configured with sealing member 6 in water inlet pipe 2, it can play the effect of check valve, sealing member 6 can be in pressure at both sides
Automatically turn under effect and close.
When sealing member 6 is opened, current can enter in outlet pipe 3, and when sealing member 6 is closed, current are disconnected.
It is also configured with detection probe 5 in main body 1, it is used for detecting the resistance variations between sealing member 6 both sides.
The both sides of sealing member 6 specifically refer to, its positive side and dorsal part, or upstream side and downstream.
Sealing member 6 is referred to as positive side towards the side of water inlet pipe 2, opposite side is referred to as dorsal part.
On the direction of current in main body 1, the side being in sealing member 6 upstream is referred to as upstream side, sealing will be in
The side in part 6 downstream is referred to as downstream.
When sealing member 6 completely closes, the water in water inlet pipe 2 is disconnected or closes, and water may not flow into the downstream of sealing member 6
Side, now, the resistance of sealing member 6 both sides is maximum, can be set to Rmax.
When fully opening, the water in water inlet pipe 2 can flow into the downstream of sealing member 6, now, sealing member 6 both sides
Resistance is minimum, can be set to Rmin.
When the leak of feed pipe water side, the pressure in sealing member 6 dorsal part or downstream reduces, and sealing member 6 acts in hydraulic pressure
Lower open a part, current when current now fully open less than sealing member 6, during leakage generation, the electricity of sealing member 6 both sides
R is between R for resistanceminWith RmaxBetween.
So, when the resistance of display on resistance measuring instrument 4 is in RminWith RmaxBetween when, show the water side in feed pipe somewhere
Leak, any one water side leak in feed pipe can be detected.
Meanwhile, this leakage sensor is also used as a check valve use, need not install single again on feed pipe source
Only check valve, can be greatly cost-effective.
The leakage sensor that the present invention provides, can be connected on the water inlet pipe of one or more use water terminals, or even can
To be arranged at domestic running water water inlet manifold, expand usage range.
It is preferred that as shown in figure 3, detection probe 5 includes two probes 51.
Along in the water (flow) direction in main body 1, the probe 511 of a wherein probe 51 is arranged in sealing member 6
Upstream side, the probe 511 of another probe 51 is arranged in the downstream of sealing member 6, such that it is able to detect sealing member 6 both sides
Resistance.
Resistance between two probes 51 changes with the change of discharge between the two, specific as follows：
When sealing member 6 is closed, current are disconnected, and may not flow into the downstream position of sealing member 6, and now two probes 5 are not
Electrically conducted, resistance between the two is maximum, resistance is Rmax.
When sealing member 6 starts completely, two probes 5 are electrically conducted by current, and now current are maximum, between the two
Resistance minimum, resistance is Rmin.
When there is leakage, sealing member 6 part is opened, and two probes 5 are electrically conducted by current, and now current are less than
Current when sealing member 6 fully opens, resistance between the two is in RminWith RmaxBetween.
A kind of arrangement of two probes 51 is as follows：
The probe 511 of wherein probe 51 is arranged in water inlet pipe 2, the probe of another probe 51
511 are arranged in outlet pipe 3, convenient arrangement.
Another kind of arrangement of two probes 51 is as follows：
It is provided with hollow cavity 13 in main body 1, the outlet pipe water inlet 32 of outlet pipe 3 is located in hollow cavity 13；Will
The probe 511 of a wherein probe 51 is arranged in water inlet pipe 2, and the probe 511 of another probe 51 is arranged in
In hollow cavity 13, the distance between two probes 51 can be shortened, reduce physical dimension, be easy to resistance measuring instrument adapter
Design.
Preferably, probe 51 is arranged in the bottom of water inlet pipe 2, outlet pipe 3 and hollow cavity 13.When there being current
By when, current can first pass around water inlet pipe 2, the bottom of hollow cavity 13 and outlet pipe 3, such that it is able to making a response rapidly or
Judge.
It is preferred that as shown in figure 3, sealing member 6 is arranged on the water inlet pipe outlet 22 of water inlet pipe 2.Water inlet pipe outlet
22 are located in hollow cavity 13, are easy to assembling seal 6.
It is preferred that as in Figure 3-5, sealing member 6 includes flexible gasket 61 and sealing pad support 62.Flexible gasket
61 are arranged on sealing pad support 62, and towards the setting of water inlet pipe outlet 22 side, the edge of flexible gasket 61 is connected to
In main body 1.
Flexible gasket 61 is to have resilient sealing gasket, and sealing pad support 62 is used for resilient to flexible or tool
Flexible gasket 61 provides and supports.
It is more than outlet pipe 3 lateral pressure in water inlet pipe 2 lateral pressure and during sealing gasket pretightning force, flexible gasket 61 and sealing gasket
Support member 62 one is away from water inlet pipe outlet 22, thus opening water inlet pipe outlet 22.
When water inlet pipe 2 lateral pressure is equal to outlet pipe 3 lateral pressure and sealing gasket pretightning force, flexible gasket 61 is sealed in into water
On pipe outlet 22.
Preferably, the bearing area in water outlet side or dorsal part or downstream for the flexible gasket 61 is being more than it in influent side or just
Side or the bearing area of upstream side so that when sealing member 6 both sides pressure is identical, flexible gasket 61 can be adjacent to be sealed in into
On water pipe outlet 22.
It is preferred that as shown in figure 4, the edge of flexible gasket 61 is provided with bending section 611, to improve flexible gasket 61
Elastic deformation ability, beneficial to reset.
It is preferred that it is as shown in figure 5, fluted towards the side setting of flexible gasket 61 on sealing pad support 62
621 and convex tendon 622.Convex tendon 622 passes through flexible gasket 61, is at least partially disposed in groove 621 in flexible gasket 61.
If the area of flexible gasket 61 is too big, easily cause contact facial disfigurement, in order to control flexible gasket 61
Area, on sealing pad support 62, setting groove 621 and convex tendon 622 are so that convex tendon 622 passes through the peace on flexible gasket 61
Dress through hole 612, thus partially flexible sealing gasket 61 is assembled in groove 621, beneficial to the shape to flexible gasket 61 during processing
Shape and the control of thickness.
It is preferred that this leakage sensor also includes the warning unit (not shown) electrically connecting with resistance measuring instrument 4.
Warning unit is more than default minimum warning threshold in resistance value sealing member 6 both sides is detected, and alert less than maximum
When accusing threshold value, will give a warning information.Warning message includes being reminded with alarm bell, voice, light mode.
Minimum warning threshold is Rmin, maximum warning threshold is Rmax.
It is preferred that as Figure 2-3, main body 1 includes housing 11 and is removably engaged in housing 11 upper cover body 12, water inlet
Pipe 2 is arranged on housing 11, and outlet pipe 3 is arranged on lid 12, is easy to dismount and keeps in repair.
In sum, the leakage sensor that the present invention provides, can be assembled in and use as check valve on feed pipe, save
Cost, any one water side leak in feed pipe can be detected, expand detection range.
As needed, above-mentioned each technical scheme can be combined, to reach best-of-breed technology effect.
Above-described be only the present invention principle and preferred embodiment.It should be pointed out that the common skill for this area
For art personnel, on the basis of the principle of the invention, some other modifications can also be made, also should be regarded as the protection model of the present invention
Enclose.
Claims (10)
1. a kind of leakage sensor is it is characterised in that include main body and resistance measuring instrument；
Described main body includes water inlet pipe and outlet pipe for being connected with feed pipe；
It is provided with sealing member in described water inlet pipe；
Described sealing member can open and close according to the pressure change between its both sides；
Described main body is also configured with for detect described sealing member both sides between resistance detection probe, described detection
Probe is electrically connected with described resistance measuring instrument.
2. leakage sensor according to claim 1 is it is characterised in that described detection probe includes two probes；
Along in the water (flow) direction in described main body, the probe of a wherein described probe is arranged in described sealing member
Upstream side, the described probe of another described probe is arranged in the downstream of described sealing member.
3. leakage sensor according to claim 2 is it is characterised in that the described probe of a wherein described probe
It is arranged in described water inlet pipe, the described probe of another described probe is arranged in described outlet pipe.
4. leakage sensor according to claim 2 is it is characterised in that be provided with hollow cavity in described main body, institute
The outlet pipe water inlet stating outlet pipe is located in described hollow cavity；
The described probe of a wherein described probe is arranged in described water inlet pipe, the described probe of another described probe
Probe arrangement is in described hollow cavity.
5. the leakage sensor according to any claim in claim 1-4 is it is characterised in that described sealing member is arranged
On the water inlet pipe outlet of described water inlet pipe.
6. leakage sensor according to claim 5 is it is characterised in that described sealing member includes flexible gasket and sealing
Pad support；
Described flexible gasket is arranged on described sealing pad support, and towards the setting of described water inlet pipe outlet side；
The edge of described flexible gasket connects on the body.
7. leakage sensor according to claim 6 is it is characterised in that the edge of described flexible gasket is provided with bending
Portion.
8. leakage sensor according to claim 6 is it is characterised in that towards described soft on described sealing pad support
Property sealing gasket side arrange fluted and convex tendon；
Described convex tendon passes through described flexible gasket, is at least partially disposed in described groove in described flexible gasket.
9. leakage sensor according to claim 1 it is characterised in that also include is electrically connected with described resistance measuring instrument
Warning unit；
Described warning unit is more than default minimum warning threshold in the resistance value described sealing member both sides is detected, and less than maximum
During warning threshold, will give a warning information.
10. leakage sensor according to claim 1 is it is characterised in that described main body includes housing and removably joins
It is combined in described case top lid body；
Described water inlet pipe is arranged on the housing, and described outlet pipe is arranged on described lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610697831.8A CN106383011B (en) | 2016-08-19 | 2016-08-19 | Leakage sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610697831.8A CN106383011B (en) | 2016-08-19 | 2016-08-19 | Leakage sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106383011A true CN106383011A (en) | 2017-02-08 |
| CN106383011B CN106383011B (en) | 2019-01-22 |
Family
ID=57916840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610697831.8A Active CN106383011B (en) | 2016-08-19 | 2016-08-19 | Leakage sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106383011B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357750A (en) * | 2021-05-17 | 2021-09-07 | 青岛海尔空调器有限总公司 | Intelligent self-treatment method and device for air conditioner, electronic equipment and storage medium |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62220774A (en) * | 1986-03-20 | 1987-09-28 | Agency Of Ind Science & Technol | Shaft seal device using visco seal |
| EP0791814A2 (en) * | 1997-05-26 | 1997-08-27 | Martin Lehmann | Method for leak testing and leak testing apparatus |
| US20010006003A1 (en) * | 1997-05-27 | 2001-07-05 | Martin Lehmann | Method for leak testing and leak testing apparatus |
| CN101143735A (en) * | 2007-08-20 | 2008-03-19 | 浙江沁园水处理科技股份有限公司 | Low-voltage electronic energy-saving anti-leaking device for water purifier |
| CN101246077A (en) * | 2007-06-24 | 2008-08-20 | 陈宜中 | Insulating tube water channel leak detecting method |
| CN201156183Y (en) * | 2008-01-31 | 2008-11-26 | 杨大庆 | Full-automatic water leak alarming protection apparatus |
| CN103454048A (en) * | 2013-05-30 | 2013-12-18 | 明达实业(厦门)有限公司 | Water leakage detection mechanism |
| CN104949805A (en) * | 2014-12-03 | 2015-09-30 | 佛山市云米电器科技有限公司 | Water leakage detection method and apparatus |
| CN105699019A (en) * | 2016-04-28 | 2016-06-22 | 浙江省青田超达铸造有限公司 | Valve water leakage detection device and detection method thereof |
-
2016
- 2016-08-19 CN CN201610697831.8A patent/CN106383011B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62220774A (en) * | 1986-03-20 | 1987-09-28 | Agency Of Ind Science & Technol | Shaft seal device using visco seal |
| EP0791814A2 (en) * | 1997-05-26 | 1997-08-27 | Martin Lehmann | Method for leak testing and leak testing apparatus |
| US20010006003A1 (en) * | 1997-05-27 | 2001-07-05 | Martin Lehmann | Method for leak testing and leak testing apparatus |
| CN101246077A (en) * | 2007-06-24 | 2008-08-20 | 陈宜中 | Insulating tube water channel leak detecting method |
| CN101143735A (en) * | 2007-08-20 | 2008-03-19 | 浙江沁园水处理科技股份有限公司 | Low-voltage electronic energy-saving anti-leaking device for water purifier |
| CN201156183Y (en) * | 2008-01-31 | 2008-11-26 | 杨大庆 | Full-automatic water leak alarming protection apparatus |
| CN103454048A (en) * | 2013-05-30 | 2013-12-18 | 明达实业(厦门)有限公司 | Water leakage detection mechanism |
| CN104949805A (en) * | 2014-12-03 | 2015-09-30 | 佛山市云米电器科技有限公司 | Water leakage detection method and apparatus |
| CN105699019A (en) * | 2016-04-28 | 2016-06-22 | 浙江省青田超达铸造有限公司 | Valve water leakage detection device and detection method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357750A (en) * | 2021-05-17 | 2021-09-07 | 青岛海尔空调器有限总公司 | Intelligent self-treatment method and device for air conditioner, electronic equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106383011B (en) | 2019-01-22 |
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