CN109594613A - Tap water supply device and leak detection method with leak self-checking function - Google Patents
Tap water supply device and leak detection method with leak self-checking function Download PDFInfo
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- CN109594613A CN109594613A CN201711155116.2A CN201711155116A CN109594613A CN 109594613 A CN109594613 A CN 109594613A CN 201711155116 A CN201711155116 A CN 201711155116A CN 109594613 A CN109594613 A CN 109594613A
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- valve
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- leak
- detection
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/003—Arrangement for testing of watertightness of water supply conduits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/15—Leakage reduction or detection in water storage or distribution
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
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- Water Supply & Treatment (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of tap water supply devices and leak detection method with leak self-checking function, including main-supply and secondary water supplying pipe, valve includes main valve and auxiliary-valve, the valve is the detection valve with flow and pressure detecting function being electrically connected with the server of monitoring room, it detects and is installed with the detection pipe for upwardly extending setting on the shell of valve, detection tube cavity lower section is installed with the detection block affixed with detection valve, detection block upper surface is equipped with the conical bore of the thick lower end point in upper end, it further include auscultation instrument, auscultation instrument input terminal, which is electrically connected with, listens clave, it listens clave lower section that can insert with detection pipe to cooperate, clave lower end is listened to be installed with the conical blocks with conical bore inserting cooperation, auscultation instrument output end is electrically connected with earphone.Advantage: can high quality meet user's water requirements, also examination judgement quickly, simply can be carried out to the leakage point in the water supply pipe of underground, leak hunting an accuracy height, leaks hunting high-efficient, at low cost and easy to operate.
Description
Technical field
The present invention relates to a kind of tap water supply devices and leak detection method with leak self-checking function.
Background technique
Water system refers to, by water source, water pump, pipeline, valve needed for the different water-using sector of certain mass requirement supply
The synthesis of door and other engineerings.For the technical ability function of water supplying system, entire water supplying system should meet user to water quality, water
The demand of amount and hydraulic pressure.In addition to this, it in entire capital construction process and produces and there is also a need for capital expenditure in operating and save, usually running cost
With low, convenience is handled in operation, and tower-free water supplying can produce and give full play to safely the economic benefit of entire water supplying system.Mesh
Preceding common tap water supply system is widely used in the building in each town and country, residence district supplies water, and effectively prevented the taste of bacterium
Raw, red worm breeding, provides purer, more good drinking water for vast resident, not only ensure that urbanite water consumption safety, but also section
About energy consumption saves expenses.
Although traditional tap water supply system have the advantages that it is above, due to no matched leak water detdction used
There is also following shortcomings for device and method: 1, can only if underground piping there are leakage point, is not easy accurately to check after installing
Using existing auscultation instrument and clave blindly large area inspection relatively is listened, a large amount of manpower and material resources is needed to support, working efficiency is low
Under；2, after being used for a long time, subterranean pipe line leak caused by corroding because of pipeline is also not easy to check, and causes a large amount of water loss, namely supply
It is increased significantly with water cost.
Summary of the invention
It is a kind of structurally reasonable the technical problem to be solved by the present invention is to provide in view of the above deficiencies, it can high quality satisfaction use
Family water requirements also quickly, simply can carry out examination judgement to the leakage point in the water supply pipe of underground, an accuracy of leaking hunting
Height leaks hunting high-efficient, and at low cost and easy to operate is a kind of with the tap water supply device of leak self-checking function and the side of leaking hunting
Method.
In order to solve the above technical problems, a kind of this tap water supply device with leak self-checking function include water supplying pipe and
The valve being mounted on water supplying pipe, is structurally characterized in that: the water supplying pipe includes a main-supply, is connected on main-supply
Several secondary water supplying pipes, the valve includes the main valve for being mounted on main-supply water inlet end, further includes being mounted on every secondary confession
The auxiliary-valve of water pipe water inlet end, the valve are electrically connected with the server of monitoring room with flow and pressure detecting function
Valve is detected, detects and is installed with the detection pipe for upwardly extending setting on the shell of valve, detection tube cavity lower section is installed with and examines
The affixed detection block of side valve door, detection block upper surface are equipped with the conical bore of the thick lower end point in upper end, further include auscultation instrument, auscultation instrument
Input terminal, which is electrically connected with, listens clave, listens clave lower section that can insert with detection pipe and cooperates, listens clave lower end to be installed with and insert with conical bore
The conical blocks closed are assembled, auscultation instrument output end is electrically connected with earphone.
As an improvement, the water supplying pipe further includes the several water supplying pipes being mounted on each secondary water supplying pipe, the valve is also
Branch valve including being mounted on every branch water supplying pipe water inlet end.
As a further improvement, the detection pipe upper end is coaxially installed with the small coniform guide housing of big lower mouth suitable for reading, also
Including the rubber the cover that can be fastened with guide housing, the cover includes the down-set lid of oral area, and lid inner sidewall is in lower mouth imperial palace
Small coniform in bottom, lid inner bottom diameter is identical as guide housing outer diameter suitable for reading, solid along inner sidewall circumference on lid inner sidewall inner segment
Surely at least two flexibly positioned pieces are equipped with, locating piece is height protrude from lid inner sidewall of lower end than upper end from lid inside
The low wedge block of the height of wall protrusion.
It further include the operating block for being installed in lid upper end as further improving, operating block upper end is equipped with and listens clave
Lower section and the handle hole of conical blocks inserting cooperation, operating block or lid side it is fixed there are two it is spaced can elastics wing
Operate ring, operation ring where track plane it is vertically arranged, listen clave lower section be vertically installed with a root long degree greater than two operation interannulars away from
Horizontal bar, horizontal bar is opposite to listen clave to be symmetrical set.
As an improvement, the handle hole is the cone more slightly larger than internal orifice suitable for reading, operation hole mouth ratio listens clave lower section slightly
Slightly, be equipped with up and down extended elastic rib on handle hole inner wall, elastic rib and when clave lower section being listened to step up cooperation horizontal bar with
Operating block upper surface is adjacent to by press-fit.
To solve aforementioned technical problem, a kind of leak detection method of the tap water supply device with leak self-checking function
Include:
The first step, operation of the auxiliary-valve arranged side by side each to main valve passage downstream according to the number that puts in order, as subsequent switch auxiliary-valve
Sequence foundation, and using each secondary water supplying pipe of main-supply and downstream as a detection unit, according to water supply upstream-downstream relationship, definition
Water pipe positioned at upstream is higher level's water pipe, and the valve of higher level's water pipe water inlet is higher level's valve, the water positioned at higher level's water pipe downstream
Pipe is junior's water pipe, and the valve of junior's water pipe water inlet is junior's valve；
Second step selects in -100 seconds 10 seconds interval ranges sometime between acquisition under all detection valve opening states
Every the time, a flow signal is acquired to higher level's valve namely main valve (4) every the primary acquisition time interval server (7)
And pressure signal, it at least acquires 5 data and calculates average flow rate value, which is defined as level-one average flow rate
Value；
Third step successively closes each junior's valve (auxiliary-valve) by first step sequence, after one auxiliary-valve of every closing, Mei Geyi
Secondary aforementioned acquisition time interval acquires a flow signal and pressure signal to upper machine valve (main valve), at least acquires 5 numbers
According to and calculate corresponding average value, thus obtain and several one-to-one average flow rate values of higher level's valve quantity, will
The average flow rate value is defined as second level average flow rate value；After closing all junior's valves, obtained the last one level-one mean flow
Magnitude is equal to zero after cutting error estimation value, otherwise determines higher level's water pipe (main-supply) leak, must carry out listening leak detection；
4th step listens leak detection step: the conical blocks for listening clave are pressed into and determine leak water by hand-held auscultation instrument, headphone
Pipe is mated formation on the corresponding ground in track, and the leak sound of earphone outflow is bigger, it was demonstrated that closer to leakage point, when conical blocks pressing position
Leak sodar to maximum when, this position is determined as leakage point；
5th step is successively arranged level-one average flow rate value, each second level average flow rate value by acquisition time if higher level's water pipe is water-tight
It arranges into average value to arrange, the difference of adjacent front and back value represents the flow that junior corresponding with being worth afterwards valve closes front and back in average value column
Difference proves junior valve downstream user in without water state and not if the difference of the difference in flow and error estimation value is zero
Leak, if the difference of the difference in flow and error estimation value is not zero, prove junior's valve downstream water pipe be in water state or
This junior's valve downstream water pipe leak must carry out the 4th step and listen leak detection step.
As an improvement, if be equipped with several water supplying pipes on secondary water supplying pipe, and every branch water supplying pipe water inlet end is equipped with branch
Valve, then secondary water supplying pipe and downstream branch water supplying pipe constitute a detection unit, then further including the 6th step, determine according to the first step
Any higher level's water pipe and downstream all junior's water pipes are considered as a detection unit by higher level's water pipe and junior's water pipe, and will be by
The water-supply structure that higher level's water pipe, junior's water pipe are constituted is considered as the water-supply structure being made of main-supply, secondary water supplying pipe, and before repetition
Two to five steps are stated, that is, can determine that there are water leakage situation and leaking areas for which root junior water pipe.
As a further improvement, further including step 7, if junior's water pipe downstream is also equipped with several junior's water pipes, press
It is defined as higher level's water pipe and junior's water pipe according to water supply upstream-downstream relationship, and is handled according to the 6th step.
As further improving, in the third step, after junior's valve is closed, need to carry out valve leak detection, including hand
Auscultation instrument is held, headphone will listen clave lower section to be inserted into detection pipe along guide housing, and make conical blocks and the detection of listening clave lower end
Conical bore on block is corresponding to press press-fit, if leak, earphone is by the leak sound of outflow, it was demonstrated that junior's valve does not fasten needs
Again it fastens；It after fastening again, repeats the above steps, until earphone can't hear leak sound.
As an improvement, further include final step, detection finishes resume water supply after, by conical blocks and listen clave lower section insertion behaviour
Make in the handle hole of block upper end and make elastic rib and listen clave lower section clamping engagement, then holds and listen clave that will cover by operating block
Lid probes into originally water cellar well, is directed at lid oral area and close to guide housing；When the locating piece of lid inner wall snaps fitted to guide housing mouth
When portion, pulls listen clave straight up, the separation for listening clave and the cover can be realized, just complete and blocked on the ground with the cover
The function of guide housing.
In conclusion using a kind of with the tap water supply device of leak self-checking function and the side of leaking hunting of this structure
Method, it is structurally reasonable, can high quality meet user's water requirements, also can be quickly, simply to the leak in the water supply pipe of underground
Point carries out examination judgement, and leak hunting an accuracy height, leaks hunting high-efficient, at low cost and easy to operate.
Detailed description of the invention
In conjunction with attached drawing, invention is further described in detail:
Fig. 1 is the whole structural schematic diagram of the present invention；
Fig. 2 is auscultation instrument, the fit structure schematic diagram for listening clave, detection pipe and the cover；
Fig. 3 is the fit structure schematic diagram of the cover and guide housing discrete state；
Fig. 4 is the structural schematic diagram of the cover and guide housing buckling state.
Specific embodiment
As shown, a kind of tap water supply device with leak self-checking function includes water supplying pipe and is mounted on water supply
Valve on pipe, the water supplying pipe include a main-supply 1, and several secondary water supplying pipes 2, the valve are connected on main-supply
Door includes the main valve 4 for being mounted on main-supply water inlet end, further includes the auxiliary-valve 5 for being mounted on every secondary water supplying pipe water inlet end,
The valve is the detection valve with flow and pressure detecting function being electrically connected with the server 7 of monitoring room, detects valve
Shell on be installed with the detection pipe 8 for upwardly extending setting, detection tube cavity lower section is installed with the detection affixed with detection valve
Block 9, detection block upper surface are equipped with the conical bore 10 of the thick lower end point in upper end, further include auscultation instrument 11, auscultation instrument input terminal is electrically connected
It is connected to and listens clave 12, listen clave lower section that can insert with detection pipe and cooperate, clave lower end is listened to be installed with and conical bore inserting cooperation
Conical blocks 13, auscultation instrument output end are electrically connected with earphone 14.
In this patent, the water supplying pipe further includes the several water supplying pipes 3 being mounted on each secondary water supplying pipe, the valve
It further include the branch valve 6 for being mounted on every branch water supplying pipe water inlet end,
In this patent, the detection pipe upper end is coaxially installed with the small coniform guide housing 15 of big lower mouth suitable for reading, further includes energy
The rubber the cover 16 fastened with guide housing, the cover include the down-set lid 17 of oral area, and lid inner sidewall is in lower mouth imperial palace bottom
Small is coniform, and lid inner bottom diameter is identical as guide housing outer diameter suitable for reading, fixes on lid inner sidewall inner segment along inner sidewall circumference
It is equipped at least two flexibly positioned pieces 18, locating piece is height protrude from lid inner sidewall of lower end than upper end from lid inside
The low wedge block of the height of wall protrusion.
After the cover button is covered on guide housing, because lid is in up-thin-low-thick coniform, either dust, sundries
Or rainwater, can all flow down along the cover, thus block dust, rainwater, sundries and enter detection pipe, ensure that inside detection pipe
Cleaning, can guarantee detection accuracy and quality in subsequent valves leak detection.
This patent further includes the operating block 19 for being installed in lid upper end, and operating block upper end is equipped with and listens clave lower section and circular cone
Block inserting cooperation handle hole 20, operating block or lid side it is fixed there are two it is spaced can elastics wing operation ring
21, operation ring where track plane it is vertically arranged, listen clave lower section be vertically installed with a root long degree greater than two operation interannulars away from cross
Stick 22, horizontal bar is opposite to listen clave to be symmetrical set.
In specific manufacture, for the convenience of operation, round and smooth bending upwards is connected at transverse slat both ends namely to operation
Person, which holds, listens the curved bending section 24 in the direction of clave.In fact in this patent, horizontal bar length is much larger than two operation interannulars away from can
To guarantee that operating ring during pull-up will not slide from transverse slat end.But if horizontal bar length is too long not only to carry not side
Just, also very inconvenient when horizontal bar catches on operation ring or takes out horizontal bar from two operation interannulars.Therefore, the mesh of bending section is set
One of, the reliability for exactly making transverse slat ensure that pull-up process crepis is connect with operation ring under the premise of not needing be too long of.
In addition, the second purpose is exactly the convenience and reliability increased when hooking operation ring.
In this patent, the handle hole is the cone more slightly larger than internal orifice suitable for reading, and operation hole mouth ratio listens clave lower section
It is slightly thick, it is equipped with elastic rib 23 extended up and down on handle hole inner wall, elastic rib and while listening clave lower section to step up cooperation are horizontal
Stick and operating block upper surface are adjacent to by press-fit.
In this patent, clave upper end is listened to be installed with handle 25, handle 25 is in pistol-shaped, in order to user's assurance.Hand
Button 26 corresponding with index finger location is installed, which, which is serially connected in, listens in clave and auscultation instrument signal circuit, therefore only on handle
There is the signal for listening clave when a button is depressed that can just pass to auscultation instrument and earphone.In this way, user can by press and pine
Button is opened to judge the relative size of signal, is convenient for accurate judgement leaking area.
In the present embodiment, a kind of leak detection method of tap water supply device with leak self-checking function includes:
The first step, operation of the auxiliary-valve arranged side by side each to main valve passage downstream according to the number that puts in order, as subsequent switch auxiliary-valve
Sequence foundation, and using each secondary water supplying pipe of main-supply and downstream as a detection unit, according to water supply upstream-downstream relationship, definition
Water pipe positioned at upstream is higher level's water pipe, and the valve of higher level's water pipe water inlet is higher level's valve, the water positioned at higher level's water pipe downstream
Pipe is junior's water pipe, and the valve of junior's water pipe water inlet is junior's valve；
Second step selects in -100 seconds 10 seconds interval ranges sometime between acquisition under all detection valve opening states
Every the time, a flow signal and pressure are acquired to higher level's valve namely main valve 4 every the primary acquisition time interval server 7
Force signal at least acquires 5 data and calculates average flow rate value, which is defined as level-one average flow rate value；
Third step successively closes each junior's valve (auxiliary-valve) by first step sequence, after one auxiliary-valve of every closing, Mei Geyi
Secondary aforementioned acquisition time interval acquires a flow signal and pressure signal to upper machine valve (main valve), at least acquires 5 numbers
According to and calculate corresponding average value, thus obtain and several one-to-one average flow rate values of higher level's valve quantity, will
The average flow rate value is defined as second level average flow rate value；After closing all junior's valves, obtained the last one level-one mean flow
Magnitude is equal to zero after cutting error estimation value, otherwise determines higher level's water pipe (main-supply) leak, must carry out listening leak detection；
4th step listens leak detection step: the conical blocks for listening clave are pressed into and determine leak water by hand-held auscultation instrument, headphone
Pipe is mated formation on the corresponding ground in track, and the leak sound of earphone outflow is bigger, it was demonstrated that closer to leakage point, when conical blocks pressing position
Leak sodar to maximum when, this position is determined as leakage point；
5th step is successively arranged level-one average flow rate value, each second level average flow rate value by acquisition time if higher level's water pipe is water-tight
It arranges into average value to arrange, the difference of adjacent front and back value represents the flow that junior corresponding with being worth afterwards valve closes front and back in average value column
Difference proves junior valve downstream user in without water state and not if the difference of the difference in flow and error estimation value is zero
Leak, if the difference of the difference in flow and error estimation value is not zero, prove junior's valve downstream water pipe be in water state or
This junior's valve downstream water pipe leak must carry out the 4th step and listen leak detection step.
In the present embodiment, if being equipped with several water supplying pipes on secondary water supplying pipe, and every branch water supplying pipe water inlet end installation
There is branch valve, then secondary water supplying pipe and downstream branch water supplying pipe constitute a detection unit, then further including the 6th step, according to the first step
It determines higher level's water pipe and junior's water pipe, any higher level's water pipe and downstream all junior's water pipes is considered as a detection unit, and
The water-supply structure being made of higher level's water pipe, junior's water pipe is considered as to the water-supply structure being made of main-supply, secondary water supplying pipe, is laid equal stress on
Multiple aforementioned two to five step, that is, can determine that there are water leakage situation and leaking areas for which root junior water pipe.
It in the present embodiment, further include step 7, if junior's water pipe downstream is also equipped with several junior's water pipes, according to
Water supply upstream-downstream relationship is defined as higher level's water pipe and junior's water pipe, and handles according to the 6th step.
In the present embodiment, in the third step, after junior's valve is closed, need to carry out valve leak detection, including hold and listen
Instrument is examined, headphone will listen clave lower section to be inserted into detection pipe along guide housing, and make to listen on the conical blocks and detection block of clave lower end
Conical bore it is corresponding press press-fit, if leak, earphone is by the leak sound of outflow, it was demonstrated that junior's valve does not fasten needs again
It fastens；It after fastening again, repeats the above steps, until earphone can't hear leak sound.
In the present embodiment, further include final step, after detection is finished and resumed water supply, by conical blocks and clave lower section is listened to insert
Enter in the handle hole of operating block upper end and make elastic rib and listen clave lower section clamping engagement, then holds and clave is listened to pass through operating block
The cover is probeed into originally water cellar well, is directed at lid oral area and close to guide housing；When the locating piece of lid inner wall snaps fitted to guiding
When cover oral area, pulls listen clave straight up, the separation for listening clave and the cover can be realized, just complete and use the cover on the ground
Block the function of guide housing.
In the present embodiment, before carrying out valve leak detection to the detection valve comprising main valve, auxiliary-valve, branch valve, also
Need to operate following steps: clave is listened in holding, and clave lower section will be listened to probe into originally water cellar well, and then rotation listens clave to make audition
Horizontal bar on the left of stick catches on the operation ring on the left of lid from right to left and left-hand operation circumferential direction is pushed to move left, and then rotates backward
Listening clave again makes to listen the horizontal bar on the right side of clave to catch on the operation ring on the right side of lid from left to right and clave will be listened to be moved to two operations
Ring middle position, finally pulls up and listens clave.Since two operation rings are located at lid the same side, clave is listened to apply lid
The pulling force added is located at lid side rather than entirety, and the pulling force in this direction is easiest to make in the side cover body locating piece of wall and leads
It is detached to cover oral area.Once having a locating piece and guide housing oral area to be detached from, other locating pieces will also take advantage of a situation and guide housing mouth
Portion is detached from, and plays the role of Rapid opening.After lid is removed from guide housing, then clave lower section will be listened from two operation rings separation
Out, then in the relevant operation for carrying out valve leak detection.
In order to improve accuracy in detection, when the fact leaks hunting work, it is typically chosen morning 1-4 point, resident has been substantially at this time
It fallen asleep, operated with water business stability, water consumption is more constant.It leaks hunting more to detect in the above-mentioned period and judges not having to
Then the water pipe of water namely watertight water pipe can be oriented detection, accuracy with water or leak water pipe on a small quantity to residue
It greatly promotes.In addition, error estimation value is determined according to running water pipe actual motion environment and situation in work of actually leaking hunting
, cell mats formation water pipe error estimation value at 0-1 ton/hours within general 5 years, and 5-10 cell is mated formation water pipe error estimation value
At 1-3 ton/hours, 10 years or more cells mat formation water pipe error estimation value within 5 ton/hours.For accurate perception night use
The accurate water consumption of water enterprise or user can carry out average computation with period water consumption to it in one week, thus can be with
Substantially its water consumption when work of leaking hunting carries out is determined.If the difference in flow that valve closes front and back subtracts the water consumption accidentally again
It is then water-tight in poor estimated value, there are water leakage situation if beyond error estimation value, carry out listening leak detection.In this patent
In, detection valve can be in the time interval of setting, such as 10 seconds or 1 minute, flow and pressure instantaneous value are transmitted to server,
Server can automatically record and be depicted as table, in order to which staff judges leak source.
In this patent, server, detection valve and auscultation instrument are the off-the-shelfs bought on the market, and detection valve is equivalent
In the assembly of flowmeter, pressure gauge and valve, structure and working principle belong to well-known technique, not described in detail herein.
Claims (10)
1. a kind of tap water supply device with leak self-checking function, including water supplying pipe and the valve being mounted on water supplying pipe,
It is characterized in that: the water supplying pipe includes a main-supply (1), several secondary water supplying pipes (2) are connected on main-supply, it is described
Valve includes the main valve (4) for being mounted on main-supply water inlet end, further includes the secondary valve for being mounted on every secondary water supplying pipe water inlet end
Door (5), the valve is the detection valve with flow and pressure detecting function being electrically connected with the server of monitoring room (7),
It detects and is installed with the detection pipe (8) for upwardly extending setting on the shell of valve, detection tube cavity lower section is installed with and detection valve
Affixed detection block (9), detection block upper surface are equipped with the conical bore (10) of the thick lower end point in upper end, further include auscultation instrument (11),
Auscultation instrument input terminal, which is electrically connected with, listens clave (12), listens clave lower section that can insert with detection pipe and cooperates, clave lower end is listened to be installed with
With the conical blocks (13) of conical bore inserting cooperation, auscultation instrument output end is electrically connected with earphone (14).
2. a kind of tap water supply device with leak self-checking function as described in claim 1, it is characterized in that: the water supply
Pipe further includes the several water supplying pipes (3) being mounted on each secondary water supplying pipe, and the valve further includes being mounted on every branch water supplying pipe
The branch valve (6) of water inlet end.
3. a kind of tap water supply device with leak self-checking function as claimed in claim 2, it is characterized in that: the detection
Pipe upper end is coaxially installed with the small coniform guide housing (15) of big lower mouth suitable for reading, further includes the rubber the cover that can be fastened with guide housing
(16), the cover includes the down-set lid of oral area (17), lid inner sidewall coniform, lid in the bottom small in lower mouth imperial palace bottom
Diameter is identical as guide housing outer diameter suitable for reading, is equipped at least two elasticity along inner sidewall circumference fixed ring on lid inner sidewall inner segment and determines
Position block (18), locating piece are the height protruded from lid inner sidewall of the lower end wedge lower than the height that upper end is protruded from lid inner sidewall
Shape block.
4. a kind of tap water supply device with leak self-checking function as claimed in claim 3, it is characterized in that: further including solid
It is located at the operating block (19) of lid upper end, operating block upper end, which is equipped with, inserts the handle hole of cooperation with clave lower section and conical blocks is listened
(20), operating block or lid side are fixed there are two the operation ring (21) of spaced energy elastics wing, and operation ring institute is in-orbit
Mark face is vertically arranged, listen clave lower section be vertically installed with a root long degree greater than two operation interannulars away from horizontal bar (22), horizontal bar is opposite
Clave is listened to be symmetrical set.
5. a kind of tap water supply device with leak self-checking function as claimed in claim 4, it is characterized in that: the operation
Hole is the cone more slightly larger than internal orifice suitable for reading, and operation hole mouth ratio is listened clave lower section slightly thick, is equipped on handle hole inner wall up and down
Extended elastic rib (23), elastic rib and listen clave lower section step up cooperation when horizontal bar and operating block upper surface be adjacent to by press-fitting
It closes.
6. a kind of leak detection method of the tap water supply device with leak self-checking function, it is characterized in that: the first step, to main valve
Each auxiliary-valve arranged side by side in downstream is according to the number that puts in order, as the operation order foundation of subsequent switch auxiliary-valve, and by main water supply
Each secondary water supplying pipe of pipe and downstream is as a detection unit, and according to water supply upstream-downstream relationship, the water pipe that definition is located at upstream is upper
Grade water pipe, the valve of higher level's water pipe water inlet are higher level's valve, and the water pipe positioned at higher level's water pipe downstream is junior's water pipe, junior's water
The valve of water inlet tube mouth is junior's valve；
Second step selects in -100 seconds 10 seconds interval ranges sometime between acquisition under all detection valve opening states
Every the time, a flow signal is acquired to higher level's valve namely main valve (4) every the primary acquisition time interval server (7)
And pressure signal, it at least acquires 5 data and calculates average flow rate value, which is defined as level-one average flow rate
Value；
Third step successively closes each junior's valve (auxiliary-valve) by first step sequence, after one auxiliary-valve of every closing, Mei Geyi
Secondary aforementioned acquisition time interval acquires a flow signal and pressure signal to upper machine valve (main valve), at least acquires 5 numbers
According to and calculate corresponding average value, thus obtain and several one-to-one average flow rate values of higher level's valve quantity, will
The average flow rate value is defined as second level average flow rate value；After closing all junior's valves, obtained the last one level-one mean flow
Magnitude is equal to zero after cutting error estimation value, otherwise determines higher level's water pipe (main-supply) leak, must carry out listening leak detection；
4th step listens leak detection step: the conical blocks for listening clave are pressed into and determine leak water by hand-held auscultation instrument, headphone
Pipe is mated formation on the corresponding ground in track, and the leak sound of earphone outflow is bigger, it was demonstrated that closer to leakage point, when conical blocks pressing position
Leak sodar to maximum when, this position is determined as leakage point；
5th step is successively arranged level-one average flow rate value, each second level average flow rate value by acquisition time if higher level's water pipe is water-tight
It arranges into average value to arrange, the difference of adjacent front and back value represents the flow that junior corresponding with being worth afterwards valve closes front and back in average value column
Difference proves junior valve downstream user in without water state and not if the difference of the difference in flow and error estimation value is zero
Leak, if the difference of the difference in flow and error estimation value is not zero, prove junior's valve downstream water pipe be in water state or
This junior's valve downstream water pipe leak must carry out the 4th step and listen leak detection step.
7. a kind of leak detection method of the tap water supply device with leak self-checking function as claimed in claim 6, feature
It is: if being equipped with several water supplying pipes on secondary water supplying pipe, and every branch water supplying pipe water inlet end is equipped with branch valve, then secondary water supplying pipe
A detection unit, which is constituted, with downstream branch water supplying pipe determines higher level's water pipe and junior according to the first step then further including the 6th step
Any higher level's water pipe and downstream all junior's water pipes are considered as a detection unit by water pipe, and will be by higher level's water pipe, junior's water
The water-supply structure that pipe is constituted is considered as the water-supply structure being made of main-supply, secondary water supplying pipe, and repeats aforementioned two to five step, i.e.,
It can determine that there are water leakage situation and leaking areas for which root junior water pipe.
8. a kind of leak detection method of the tap water supply device with leak self-checking function as claimed in claim 7, feature
Be: further including step 7, if junior's water pipe downstream is also equipped with several junior's water pipes, according to water supply upstream-downstream relationship by its
It is defined as higher level's water pipe and junior's water pipe, and is handled according to the 6th step.
9. a kind of survey of tap water supply device with leak self-checking function as described in claim 6-8 any claim
Leakage method, it is characterized in that: after junior's valve is closed, need to carry out valve leak detection, including hand-held auscultation instrument in the third step,
Headphone will listen clave lower section to be inserted into detection pipe along guide housing, and make to listen the circle on the conical blocks and detection block of clave lower end
Taper hole is corresponding to press press-fit, if leak, earphone is by the leak sound of outflow, it was demonstrated that junior's valve, which is not fastened, to be needed to close again
Tightly；It after fastening again, repeats the above steps, until earphone can't hear leak sound.
10. a kind of leak detection method of the tap water supply device with leak self-checking function as claimed in claim 9, feature
It is: further includes final step, after detection is finished and resumed water supply, by conical blocks and listens the operation of clave lower section insertion operation block upper end
In hole and make elastic rib and listen clave lower section clamping engagement, then holds and listen clave that the cover is probeed into originally water cellar by operating block
Well is directed at lid oral area and close to guide housing；When the locating piece of lid inner wall snaps fitted to guide housing oral area, draw straight up
Interesting to listen to clave, can be realized the separation for listening clave and the cover, just complete the function of blocking guide housing with the cover on the ground.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113157007A (en) * | 2021-03-18 | 2021-07-23 | 国网冀北电力有限公司技能培训中心 | Intelligent shutoff method for abnormal flow of liquid pipeline |
| CN114251605A (en) * | 2021-12-29 | 2022-03-29 | 东本电气科技(苏州)有限公司 | Leakage detection method and emergency device for gas underground pipe network |
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