CN110410683A - A kind of localization method for building inner conduit leakage point - Google Patents
A kind of localization method for building inner conduit leakage point Download PDFInfo
- Publication number
- CN110410683A CN110410683A CN201910717509.0A CN201910717509A CN110410683A CN 110410683 A CN110410683 A CN 110410683A CN 201910717509 A CN201910717509 A CN 201910717509A CN 110410683 A CN110410683 A CN 110410683A
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- China
- Prior art keywords
- water pipe
- water
- leakage point
- pipe
- leakage
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
-
- 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
- G01M3/002—Investigating fluid-tightness of structures by using thermal means
-
- 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
Abstract
The invention discloses a kind of localization methods for building inner conduit leakage point, comprising the following steps: S1: carrying out suppressing test to the entire pipeline section of water pipe inbuilt in building wall, detects the entire pipeline section of water pipe with the presence or absence of the phenomenon of leakage；S2: the valve faucet of water pipe water outlet is opened, and injects the hot water or ice water of certain hydraulic pressure into water pipe by hydraulic test pump, and when the hot water or ice water being passed through are flowed out from the valve faucet of water pipe water outlet, the valve faucet of water pipe water outlet is closed；S3: being checked paragraph by paragraph using pipeline section of the infra red thermograph to water pipe, whether there is the area of the pattern of irregular shape by the Infrared Thermogram that observation obtains, and judges the pipeline section of water pipe with the presence or absence of the phenomenon of leakage.Method of the invention is suitable for building interior conduit leakage point detection, especially house ornamentation pipeline concealed installation, and leakage point is small, leakage point is difficult to the leakage accident of precise positioning and is accurately positioned, and the accuracy in detection of water pipe leakage point is high.
Description
Technical field
The present invention relates to a kind of localization methods for building inner conduit leakage point.
Background technique
Leak is very intractable but frequent problem existing for building interior conduit, because building caused by different reasons
Water body leaks in object, will directly affect its normal use.Less serious case is stained interior decoration, influences vision perception；It is seeped if it is long-term
Leakage, can also corrode its structural elements, jeopardize using safe, shorten its service life.Therefore, leakage of building source is found very in time
It is necessary.But the leak source of buildings in general dampness and path are more covert, when leakage accident really occurs, how to correctly find
Real hidden leakage point is the problem of current pipeline and each house ornamentation market.The pipeline leak detection technology possessed currently on the market is main
Still it leaks hunting by rule of thumb, or is dug when leaking hunting and being a little difficult to determine using segmentation and suppress detection, lack professional skill of accurately leaking hunting
Art and product.
It is a kind of for water supply line difference water leakage positioning device and method (Chinese patent CN201910075137) with
And the water-leakage detecting system (Chinese patent CN201910099224) based on nonmetallic water supplying pipe, it discloses leakage point and is examined
The method of survey.But the pipeline that this two described patents are directed to all is municipal water supply large diameter pipeline, detection pressure inspection
Survey method is not met build in house ornamentation pipeline small-bore pipe detection demand, and required equipment is more more complex, initial cost compared with
Height does not meet house ornamentation pipeline requirement.
Summary of the invention
For above-mentioned technical problem of the existing technology, the purpose of the present invention is to provide a kind of building inner conduit leaks
The localization method of point, method of the invention are suitable for building interior conduit leakage point detection, especially house ornamentation pipeline concealed installation, leakage point
The leakage accident that small, leakage point is difficult to precise positioning is accurately positioned, and accuracy in detection is high.
A kind of localization method of the building inner conduit leakage point, it is characterised in that the following steps are included:
S1: carrying out suppressing test to water pipe inbuilt in building wall, and wherein the water outlet of water pipe has connected valve faucet and water
The water intake end of pipe has connected water pipe angle valve, and the water intake end of water pipe is passed through the water pipe angle valve and the hydraulic test pump for being equipped with pressure gauge
It is connected；Then the valve faucet of water pipe water outlet is closed, injects certain hydraulic pressure into water pipe by hydraulic test pump
Tap water, if there are pressure to reduce situation by the pressure gauge observation on hydraulic test pump, determining water pipe, there are drainages；
S2: the valve faucet that the water pipe water outlet of drainage will be present is opened, and is injected into water pipe centainly by hydraulic test pump
The hot water or ice water of hydraulic pressure, tap water remaining in water pipe is drained, when the hot water or ice water being passed through are from water pipe water outlet
Valve faucet outflow when, the valve faucet of water pipe water outlet is closed；
S3: being distributed using the infrared energy of the wall surface on the outside of the infrared detector detection water pipe of infra red thermograph,
The infrared energy distribution that detection obtains, which is imaged on the light-sensitive element of infrared detector, forms Infrared Thermogram；If obtaining
Infrared Thermogram shows the area of the pattern of irregular shape, then it represents that there are leakages for the water pipe on the inside of the detection section wall；If
The Infrared Thermogram of acquisition shows the columnar area of the pattern of regular bar shaped, then it represents that the water pipe on the inside of the detection section wall is not deposited
In leakage, that is, complete the accurate positionin of building inner conduit leakage point.
A kind of localization method of the building inner conduit leakage point, it is characterised in that in step S1, by hydraulic test pump to
The pressure of injection tap water is 6 ~ 8 kilograms in water pipe.
A kind of localization method of the building inner conduit leakage point, it is characterised in that in step S2, by hydraulic test pump to
The pressure of injection hot water or ice water is 6 ~ 8 kilograms in water pipe.
The localization method of a kind of building inner conduit leakage point, it is characterised in that in step S2, if indoor environment temperature
Degree is lower than 30 DEG C, then 70 ~ 80 DEG C of hot water is injected into water pipe；If indoor environment temperature is higher than 30 DEG C, 0 is injected into water pipe
~ 4 DEG C of ice water.
Compared with the existing technology, the beneficial effect that the present invention obtains is:
1) for the present invention by carrying out suppressing test to water pipe, the preliminary outlet pipe that detects whether there is drainage.If detection water outlet
That there are leaks is existing for pipe, then by injecting hot water or ice water into water pipe, and by infra red thermograph to being secretly embedded in wall
Pipeline accurately measured.
2) localization method of building inner conduit leakage point of the invention, can be fast and accurately to house ornamentation pipe leakage point
Detected, determine leakage point position, get rid of tradition dig segmentation detection leakage point detection inaccuracy, it is not necessary to cutting
Maintenance is excessive, and maintenance cost is higher to wait defect problems.
Detailed description of the invention
When Fig. 1 is that embodiment 1 carries out leakage point test to water pipe, at the water pipe leak that infra red thermograph captures
Infrared Thermogram；
It is red at the non-leak of the water pipe that infra red thermograph captures when Fig. 2 is that embodiment 1 carries out leakage point test to water pipe
Outer thermography.
Specific embodiment
The present invention is further explained in the light of specific embodiments, but the scope of protection of the present invention is not limited thereto.
Embodiment 1 is directed to about 20 DEG C of room temperature, and concealed installation has the case where leakage in the water pipe in household wall, carries out
Leakage point detection:
A kind of localization method for building inner conduit leakage point, comprising the following steps:
S1: carrying out suppressing test to water pipe inbuilt in building wall, and wherein the water outlet of water pipe has connected valve faucet and water
The water intake end of pipe has connected water pipe angle valve, and the water intake end of water pipe is passed through the water pipe angle valve and the hydraulic test pump for being equipped with pressure gauge
It is connected；Then the valve faucet of water pipe water outlet is closed and (makes there is ponding in water pipe), by hydraulic test pump to water
The tap water (check valve for preventing water from flowing back is provided on hydraulic test pump) of 7 kilograms of pressure of injection, is found out by observation in pipe
The pressure that pressure gauge on hydraulic test pump is shown is gradually reducing, then determining water pipe, there are drainages；
S2: the valve faucet that the water pipe water outlet of drainage will be present is opened, and 7 kilograms are injected into water pipe by hydraulic test pump
The hot water of 80 DEG C of temperature of pressure is continually fed into hot water and drains tap water remaining in water pipe, when the hot water or ice being passed through
When water is flowed out from the valve faucet of water pipe water outlet, the valve faucet of water pipe water outlet is closed；
S3: being distributed using the infrared energy of the wall surface on the outside of the infrared detector detection water pipe of infra red thermograph,
The infrared energy distribution that detection obtains, which is imaged on the light-sensitive element of infrared detector, forms Infrared Thermogram；In conjunction with pipeline
Figure checks water pipe paragraph by paragraph, shows the Infrared Thermogram of the area of the pattern of irregular shape as shown in Figure 1, indicates the section
There are the phenomenon of leakage for water pipe, and the wall on the outside of this section of water pipe is chiseled, observe be really at this water pipe leakage position.At this time
Continue to check remaining pipeline section of water pipe, shows the infrared thermal imagery of the columnar area of the pattern of regular bar shaped as shown in Figure 2
Scheme (the columnar area of the pattern of rule bar shaped is similar with the shape of water pipe), indicating this section of water pipe, there is no the phenomenon of leakage, by this
Wall on the outside of Duan Shuiguan is chiseled, and observes that really there is no leakage situations for water pipe at the pipeline section.
The localization method of 1 building inner conduit leakage point through the foregoing embodiment, can be quickly and accurately to family's tubulature
Road leakage point is detected, and determines leakage point position.In detection process, it is not necessary to carry out unnecessary wall of chiseling and carry out maintenance row
It looks into.
Because household concealed installation water pipe is closer from wall outer surface, if water pipe is with wall, there are biggish temperature differences
It is different, by infra red thermograph can the water pipe position to wall interiors capture, and can show that certain expression is red
The infrared energy of wall surface is distributed under the area of the pattern of external radiation Energy distribution, the area of the pattern and surrounding room temperature environment
Show apparent difference.
It is red since hot water oozes out and non-directiveness is spread around from water pipe when water pipe is there are when the phenomenon of leakage
The Infrared Thermogram that outside line thermal imaging system detects shows the area of the pattern of irregular shape.This is because the hot water temperature of exudation
Degree is higher, and the hot water of exudation is not uniformly heated, the diffusion area of the hot water of exudation to the wall concrete of pipeline
It is non-directiveness, Infrared Thermogram observes that the area of the pattern on the outside of pipeline is irregular shape, exists from any to extending out
Scattered phenomenon.
When the phenomenon of leakage is not present in water pipe, hot water is bound in inside water pipe, therefore the distributed areas of hot water are rules
Property.The Infrared Thermogram that detects from infra red thermograph is it is observed that heat in pipeline to external diffusion is uniform
(i.e. the wall concrete of pipeline is heated properly, and Infrared Thermogram observes that the area of the pattern on the outside of pipeline is
Bar shaped is columnar, is not in from any to the phenomenon that external diffusion.
It, can be to the pipe of the suspicious leak of height when to household indoor water pipe, whether leakage is detected by means of the present invention
Duan Jinhang investigation, such as water water pipe pipeline section in toilet or kitchen.By using the mode of above-mentioned investigation, water pipe leakage row can be improved
The efficiency looked into, and when hunting leak to water pipe, avoid injecting a large amount of hot water or ice water.
Content described in this specification is only to enumerate to inventive concept way of realization, and protection scope of the present invention is not answered
When the concrete form for being seen as limited by embodiment and being stated.
Claims (4)
1. a kind of localization method for building inner conduit leakage point, it is characterised in that the following steps are included:
S1: carrying out suppressing test to water pipe inbuilt in building wall, and wherein the water outlet of water pipe has connected valve faucet and water
The water intake end of pipe has connected water pipe angle valve, and the water intake end of water pipe is passed through the water pipe angle valve and the hydraulic test pump for being equipped with pressure gauge
It is connected；Then the valve faucet of water pipe water outlet is closed, injects certain hydraulic pressure into water pipe by hydraulic test pump
Tap water, if there are pressure to reduce situation by the pressure gauge observation on hydraulic test pump, determining water pipe, there are drainages；
S2: the valve faucet that the water pipe water outlet of drainage will be present is opened, and is injected into water pipe centainly by hydraulic test pump
The hot water or ice water of hydraulic pressure, tap water remaining in water pipe is drained, when the hot water or ice water being passed through are from water pipe water outlet
Valve faucet outflow when, the valve faucet of water pipe water outlet is closed；
S3: being distributed using the infrared energy of the wall surface on the outside of the infrared detector detection water pipe of infra red thermograph,
The infrared energy distribution that detection obtains, which is imaged on the light-sensitive element of infrared detector, forms Infrared Thermogram；If obtaining
Infrared Thermogram shows the area of the pattern of irregular shape, then it represents that there are leakages for the water pipe on the inside of the detection section wall；If
The Infrared Thermogram of acquisition shows the columnar area of the pattern of regular bar shaped, then it represents that the water pipe on the inside of the detection section wall is not deposited
In leakage, that is, complete the accurate positionin of building inner conduit leakage point.
2. a kind of localization method for building inner conduit leakage point according to claim 1, it is characterised in that in step S1, lead to
Crossing hydraulic test pump to inject the pressure of tap water into water pipe is 6 ~ 8 kilograms.
3. a kind of localization method for building inner conduit leakage point according to claim 1, it is characterised in that in step S2, lead to
Crossing hydraulic test pump to inject hot water or the pressure of ice water into water pipe is 6 ~ 8 kilograms.
4. a kind of localization method for building inner conduit leakage point according to claim 1, it is characterised in that in step S2, if
Indoor environment temperature is lower than 30 DEG C, then 70 ~ 80 DEG C of hot water is injected into water pipe；If indoor environment temperature is higher than 30 DEG C, to
The ice water of 0 ~ 4 DEG C of injection in water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910717509.0A CN110410683A (en) | 2019-08-05 | 2019-08-05 | A kind of localization method for building inner conduit leakage point |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910717509.0A CN110410683A (en) | 2019-08-05 | 2019-08-05 | A kind of localization method for building inner conduit leakage point |
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| CN110410683A true CN110410683A (en) | 2019-11-05 |
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ID=68365856
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| CN201910717509.0A Pending CN110410683A (en) | 2019-08-05 | 2019-08-05 | A kind of localization method for building inner conduit leakage point |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111005424A (en) * | 2019-12-20 | 2020-04-14 | 唐贤进 | Maintenance method based on water leakage problem of toilet water supply pipe |
| CN114061931A (en) * | 2021-11-17 | 2022-02-18 | 安徽新力电业科技咨询有限责任公司 | Test ball for ball passing test and application thereof |
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| CN114061931A (en) * | 2021-11-17 | 2022-02-18 | 安徽新力电业科技咨询有限责任公司 | Test ball for ball passing test and application thereof |
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200928 Address after: 317000 No. 6 Qianjiang South Road, Dayang Street, Linhai City, Taizhou City, Zhejiang Province Applicant after: Linhai Weixing New Building Materials Co.,Ltd. Address before: Boye Road Economic Development Zone coastal city Taizhou city Zhejiang province 317000 Applicant before: ZHEJIANG WEIXING NEW BUILDING MATERIALS Co.,Ltd. |
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Application publication date: 20191105 |