CN106383011B - Leakage sensor - Google Patents
Leakage sensor Download PDFInfo
- Publication number
- CN106383011B CN106383011B CN201610697831.8A CN201610697831A CN106383011B CN 106383011 B CN106383011 B CN 106383011B CN 201610697831 A CN201610697831 A CN 201610697831A CN 106383011 B CN106383011 B CN 106383011B
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- Prior art keywords
- probe
- sealing element
- water inlet
- inlet pipe
- water
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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 kind of leakage sensors, including main body and resistance measuring instrument；The main body includes the water inlet pipe and outlet pipe for connecting with water supplying pipe；Sealing element is provided in the water inlet pipe；The sealing element can be opened and closed according to the pressure change between its two sides；In the detection probe for the resistance being also configured between the two sides for detecting the sealing element in the main body, the detection probe is electrically connected with the resistance measuring instrument.Leakage sensor provided by the invention can be assembled on water supplying pipe and use as check valve, save cost, any one water outlet leak can be detected in water supplying pipe, expand detection range.
Description
Technical field
The present invention relates to leak water detdction technology device technical field more particularly to a kind of leakage sensors.
Background technique
The detection range of leakage sensor on the market and test point are limited at present, and user when in use must pass leak
Sensor is placed on the high exact position of leak risk, just the detection range of sensor can be made to be covered in this way.But leak has
Random characteristic, once leakage point is detached from the detection range of sensor, leak cannot be prompted.But if user at home or
It arranges that a large amount of leak passes device in public bathroom place, is bound to cause cost increase.
Summary of the invention
The purpose of the present invention is to overcome the defects in the prior art, and providing one kind can be mounted on in water terminal, mentions
The high leakage sensor of leak water detdction range.
Technical solution of the present invention provides a kind of leakage sensor, including main body and resistance measuring instrument；The main body includes
Water inlet pipe and outlet pipe for being connect with water supplying pipe；Sealing element is provided in the water inlet pipe；The sealing element being capable of root
It is opened and closed according to the pressure change between its two sides；Two for detecting the sealing element are also configured in the main body
The detection probe of resistance between side, the detection probe are electrically connected with the resistance measuring instrument.
Further, the detection probe includes two probes；On along the intracorporal water (flow) direction of the master, wherein one
The probe of probe described in root is arranged in the upstream side of the sealing element, the probe arrangement of another probe
In the downstream side of the sealing element.
Further, wherein the probe of a probe is arranged in the water inlet pipe, described in another
The probe of probe is arranged in the outlet pipe.
Further, hollow cavity is provided in the main body, the outlet pipe water inlet of the outlet pipe is located at described
In hollow cavity；Wherein the probe of a probe is arranged in the water inlet pipe, another probe
The probe is arranged in the hollow cavity.
Further, the sealing element is arranged on the water inlet pipe water outlet of the water inlet pipe.
Further, the sealing element includes flexible gasket and sealing pad support；The flexible gasket is mounted on
On the sealing pad support, and it is arranged towards water inlet pipe water outlet side；The edge of the flexible gasket is connected to institute
It states in main body.
Further, the edge of the flexible gasket is provided with bending section.
Further, fluted and convex towards the setting of the side of the flexible gasket on the sealing pad support
Muscle；The convex ribs pass through the flexible gasket, are at least partially disposed in the groove in the flexible gasket.
It further, further include the warning unit being electrically connected with the resistance measuring instrument；The warning unit is detecting
When the resistance value of the sealing element two sides is greater than presetting minimum warning threshold, and being less than maximum warning threshold, letter will be given a warning
Breath.
Further, the main body includes shell and is removably engaged in the case top lid body；The water inlet pipe is set
It sets on the housing, the outlet pipe is arranged on the lid.
By adopting the above technical scheme, it has the following beneficial effects:
By the way that water inlet pipe and outlet pipe are arranged in main body, so as to which leakage sensor is mounted on going out with water terminal
On the mouth of a river, by detect sealing element two sides resistance variations, and then judge water outlet be in close state, open state also
It is in leak condition.
By the way that above-mentioned sealing element is arranged, which is also used as check valve use.
To sum up, leakage sensor provided by the invention can be assembled on water supplying pipe and use as check valve, save into
This, any one water outlet leak can be detected in water supplying pipe, expand detection range.
Detailed description of the invention
Fig. 1 is the schematic diagram for the leakage sensor that one embodiment of the invention provides；
Perspective view of the explosion based on Fig. 2；
Fig. 3 is the cross-sectional view of leakage sensor；
Fig. 4 is the structural schematic diagram of flexible gasket；
Fig. 5 is the structural schematic diagram for sealing pad support.
The appended drawing reference table of comparisons:
1- main body；11- shell；12- lid；
13- hollow cavity；2- water inlet pipe；21- external screw thread；
22- water inlet pipe water 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 element；
61- flexible gasket；The bending section 611-；612- installation through-hole；
62- seals pad support；621- groove；622- convex ribs.
Specific embodiment
Further illustrate a specific embodiment of the invention with reference to the accompanying drawing.Wherein identical components are with identical
Appended drawing reference indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down"
Refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to the direction towards or away from geometric center of specific component.
As shown in 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 the water inlet pipe 2 and outlet pipe 3 for connecting with water supplying pipe.
Be provided with sealing element 6 in water inlet pipe 2, sealing element 6 can be opened according to the pressure change between its two sides and
It closes.
In the detection probe 5 for the resistance being also configured in main body 1 between the two sides for detecting sealing element 6, detection probe 5
It is electrically connected with resistance measuring instrument 6.
The leakage sensor can be mounted on water supplying pipe by water inlet pipe 2 and outlet pipe 3.For the ease of connecting with water supplying pipe
It connects, external screw thread 21 is provided on water inlet pipe 2, external screw thread 31 is provided on outlet pipe 3.
It is configured with sealing element 6 in water inlet pipe 2, check valve can be played the role of, sealing element 6 can be in pressure at both sides
Effect is lower to automatically turn on and closes.
When sealing element 6 is opened, water flow can enter in outlet pipe 3, and when sealing element 6 is closed, water flow is disconnected.
It is also configured with detection probe 5 in main body 1, is used to detect the resistance variations between 6 two sides of sealing element.
The two sides of sealing element 6 specifically refer to, positive side and back side or upstream side and downstream side.
The side of sealing element 6 towards water inlet pipe 2 is referred to as positive side, the other side is referred to as back side.
In main body 1 on the direction of water flow, the side in 6 upstream of sealing element is referred to as upstream side, it will be in sealing
The side in 6 downstream of part is referred to as downstream side.
When sealing element 6 completely closes, the water in water inlet pipe 2 is disconnected or closes, and water may not flow into the downstream of sealing element 6
Side can be set to R at this point, the resistance of 6 two sides of sealing element is maximummax。
When fully opening, the water in water inlet pipe 2 can flow into the downstream side of sealing element 6, at this point, 6 two sides of sealing element
Resistance is minimum, can be set to Rmin。
When the leak of water supplying pipe water outlet, the pressure in 6 back side of sealing element or downstream side reduces, and sealing element 6 is acted in hydraulic pressure
Lower unlatching a part, water flow at this time are less than water flow when sealing element 6 fully opens, when leakage occurs, the electricity of 6 two sides of sealing element
R is hindered between RminWith RmaxBetween.
So when the resistance shown on resistance measuring instrument 4 is in RminWith RmaxBetween when, show the water outlet in water supplying pipe somewhere
Leak, any one water outlet leak can be detected in water supplying pipe.
Meanwhile the leakage sensor is also used as a check valve and uses, and no longer needs to install on water supplying pipe source single
Only check valve can greatly save cost.
Leakage sensor provided by the invention can be connected on one or more water inlet pipes with water terminal, or even can
To be mounted at domestic running water water inlet manifold, usage range is expanded.
Preferably, as shown in figure 3, detection probe 5 includes two probes 51.
On along the water (flow) direction in main body 1, wherein the probe 511 of a probe 51 is arranged in sealing element 6
Upstream side, the probe 511 of another probe 51 are arranged in the downstream side of sealing element 6, so as to detect 6 two sides of sealing element
Resistance.
Resistance between two probes 51 changes with the variation of water flow between the two, specific as follows:
When sealing element 6 is closed, water flow is disconnected, and may not flow into the downstream position of sealing element 6, and two probes 5 are not at this time
It is electrically conducted, resistance between the two is maximum, resistance value Rmax。
When sealing element 6 starts completely, two probes 5 are electrically conducted by water flow, and water flow is maximum at this time, between the two
Resistance it is minimum, resistance value Rmin。
When leaking, 6 part of sealing element is opened, and two probes 5 are electrically conducted by water flow, and water flow is less than at this time
Water flow when sealing element 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 a wherein probe 51 is arranged in water inlet pipe 2, the probe of another probe 51
511 are arranged in outlet pipe 3, facilitate arrangement.
Another arrangement of two probes 51 is as follows:
Hollow cavity 13 is provided in main body 1, the outlet pipe water inlet 32 of outlet pipe 3 is located in hollow cavity 13；It will
Wherein the probe 511 of a 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 structure size, convenient for resistance measuring instrument connector
Design.
Preferably, probe 51 is arranged in the bottom of water inlet pipe 2, outlet pipe 3 and hollow cavity 13.When there is water flow
By when, water flow can first pass around water inlet pipe 2, the bottom of hollow cavity 13 and outlet pipe 3, so as to making a response rapidly or
Judgement.
Preferably, as shown in figure 3, sealing element 6 is arranged on the water inlet pipe water outlet 22 of water inlet pipe 2.Water inlet pipe water outlet
22 are located in hollow cavity 13, are convenient for assembling seal 6.
Preferably, as in Figure 3-5, sealing element 6 includes flexible gasket 61 and sealing pad support 62.Flexible gasket
61 are mounted on sealing pad support 62, and are arranged towards 22 side of water inlet pipe water outlet, and the edge of flexible gasket 61 is connected to
In main body 1.
Flexible gasket 61 is flexible gasket, and sealing pad support 62 is used for flexible or flexible
Flexible gasket 61 provides support.
When 2 lateral pressure of water inlet pipe is greater than 3 lateral pressure of outlet pipe and gasket pretightning force, flexible gasket 61 and gasket
62 one of supporting element is far from water inlet pipe water outlet 22, to open water inlet pipe water outlet 22.
When 2 lateral pressure of water inlet pipe is equal to 3 lateral pressure of outlet pipe and gasket pretightning force, flexible gasket 61 is sealed in into water
On pipe water outlet 22.
Preferably, bearing area of the flexible gasket 61 in water outlet side or back side or downstream side is being greater than it in influent side or just
The bearing area of side or upstream side so that when 6 two sides pressure of sealing element is identical, flexible gasket 61 can be adjacent to be sealed in into
On water pipe water outlet 22.
Preferably, 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, be conducive to reset.
Preferably, as shown in figure 5, fluted towards the setting of the side of flexible gasket 61 on sealing pad support 62
621 and convex ribs 622.Convex ribs 622 pass through flexible gasket 61, are at least partially disposed in groove 621 in flexible gasket 61.
If the area of flexible gasket 61 is too big, it be easy to cause contact surface to deform, in order to control flexible gasket 61
Groove 621 and convex ribs 622 are arranged on sealing pad support 62 in area, so that convex ribs 622 pass through the peace on flexible gasket 61
Fill through-hole 612, so that partially flexible gasket 61 is assembled in groove 621, conducive to when processing to the shape of flexible gasket 61
The control of shape and thickness.
Preferably, the leakage sensor further includes the warning unit (not shown) being electrically connected with resistance measuring instrument 4.
Warning unit is greater than default minimum warning threshold in the resistance value for detecting 6 two sides of sealing element, and is less than maximum alert
When accusing threshold value, it will send a warning message.Warning message includes being reminded with alarm bell, voice, light mode.
Minimum warning threshold is Rmin, maximum warning threshold is Rmax。
Preferably, as Figure 2-3, main body 1 includes shell 11 and is removably engaged in 11 upper cover body 12 of shell, intake
Pipe 2 is arranged on shell 11, and outlet pipe 3 is arranged on lid 12, easy to disassemble and maintenance.
In conclusion leakage sensor provided by the invention, can be assembled on water supplying pipe and use as check valve, save
Cost, any one water outlet leak can be detected in water supplying pipe, expand detection range.
As needed, above-mentioned each technical solution can be combined, to reach best-of-breed technology effect.
Above-described is only the principle of the present invention and preferred embodiment.It should be pointed out that for the common skill of this field
For art personnel, on the basis of the principle of the invention, several other modifications can also be made, also should be regarded as protection model of the invention
It encloses.
Claims (8)
1. a kind of leakage sensor, which is characterized in that including main body and resistance measuring instrument；
The main body includes the water inlet pipe and outlet pipe for connecting with water supplying pipe；
Sealing element is provided in the water inlet pipe, the sealing element is arranged on the water inlet pipe water outlet of the water inlet pipe；
The sealing element includes flexible gasket and sealing pad support；
The flexible gasket is mounted on the sealing pad support, and is arranged towards water inlet pipe water outlet side, described
The edge connection of flexible gasket is on the body；
The sealing element can be opened and closed according to the pressure change between its two sides；
In the detection probe for the resistance being also configured in the main body between the two sides for detecting the sealing element, the detection
Probe is electrically connected with the resistance measuring instrument.
2. leakage sensor according to claim 1, which is characterized in that the detection probe includes two probes；
On along the intracorporal water (flow) direction of the master, wherein the probe of a probe is arranged in the sealing element
The probe of upstream side, another probe is arranged in the downstream side of the sealing element.
3. leakage sensor according to claim 2, which is characterized in that the wherein probe of a probe
It is arranged in the water inlet pipe, the probe of another probe is arranged in the outlet pipe.
4. leakage sensor according to claim 2, which is characterized in that be provided with hollow cavity, institute in the main body
The outlet pipe water inlet for stating outlet pipe is located in the hollow cavity；
Wherein the probe of a probe is arranged in the water inlet pipe, the probe of another probe
Probe arrangement is in the hollow cavity.
5. leakage sensor according to claim 1, which is characterized in that the edge of the flexible gasket is provided with bending
Portion.
6. leakage sensor according to claim 1, which is characterized in that towards described soft on the sealing pad support
Property gasket side be arranged fluted and convex ribs；
The convex ribs pass through the flexible gasket, are at least partially disposed in the groove in the flexible gasket.
7. leakage sensor according to claim 1, which is characterized in that further include being electrically connected with the resistance measuring instrument
Warning unit；
The warning unit is greater than default minimum warning threshold in the resistance value for detecting the sealing element two sides, and is less than maximum
When warning threshold, it will send a warning message.
8. leakage sensor according to claim 1, which is characterized in that the main body includes shell and removably cooperates
Lid on the housing；
On the housing, the outlet pipe is arranged on the lid for the water inlet pipe setting.
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 CN106383011A (en) | 2017-02-08 |
| CN106383011B true 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) |
Families Citing this family (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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0791814A2 (en) * | 1997-05-26 | 1997-08-27 | 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 |
Family Cites Families (2)
| 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 |
| US6082184A (en) * | 1997-05-27 | 2000-07-04 | Martin Lehmann | Method for leak testing and leak testing apparatus |
-
2016
- 2016-08-19 CN CN201610697831.8A patent/CN106383011B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0791814A2 (en) * | 1997-05-26 | 1997-08-27 | 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 |
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| Publication number | Publication date |
|---|---|
| CN106383011A (en) | 2017-02-08 |
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