CN209416422U - A kind of water meter or flowmeter structure based on resistance strain type sensor - Google Patents
A kind of water meter or flowmeter structure based on resistance strain type sensor Download PDFInfo
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- CN209416422U CN209416422U CN201920266291.7U CN201920266291U CN209416422U CN 209416422 U CN209416422 U CN 209416422U CN 201920266291 U CN201920266291 U CN 201920266291U CN 209416422 U CN209416422 U CN 209416422U
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- resistance strain
- type sensor
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- water meter
- strain type
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Abstract
The utility model discloses a kind of water meter or flowmeter structure based on resistance strain type sensor, measurement host including measurement pipe segment body and on the outside of measurement pipe segment body, measurement pipe segment body has fluid channel, measurement pipe segment body is installed with the packaging part of force-applied deformation, the resistance strain type sensor that insulation is sealed by it is equipped in the packaging part, resistance strain type sensor includes elastic element and resistance strain gage, elastic element stretched in fluid channel together with the part of packaging part and the impact based on fluid and generate deformation, resistance strain gage is attached at the surface of elastic element and changes the resistance of itself with the deformation of elastic element；Resistance strain gage is electrically connected with measurement host and the resistance of itself is transmitted to measurement host.The utility model has the following advantages that and effect: changing the structure of tradition machinery formula water meter, water meter is changed into electronic pattern by mechanical structure, to provide good basis for water meter and the multi-functional and intelligent of flowmeter.
Description
Technical field
The utility model relates to water meter, field of flow meters, in particular to a kind of water meter based on resistance strain type sensor
Or flowmeter structure.
Background technique
Currently, most water meter construction is mainly by machine components such as impeller, current deflecting device, transmission gears in the market
It is composed, structure is single, can only be used as water and count, be difficult to extend other function.Therefore improve conventional water meter and flowmeter
Structure, and the diversification for extending its function is necessary.
Utility model content
The purpose of the utility model is to provide a kind of water meter or flowmeter structure based on resistance strain type sensor, change
The structure of tradition machinery formula water meter, is changed into electronic pattern by mechanical structure for water meter, thus for water meter and flowmeter
It is multi-functional and intelligent provide good basis.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of based on resistance-strain
The water meter or flowmeter structure of formula sensor, the measurement host including measurement pipe segment body and on the outside of measurement pipe segment body are described
Measurement pipe segment body be hollow member and with one for fluid circulation fluid channel, the measurement pipe segment body is at least installed with
The packaging part of one force-applied deformation, interior be equipped with of the packaging part are sealed insulation by it and matched resistance-strain type biography
Sensor, the resistance strain type sensor include elastic element and resistance strain gage, and the elastic element is with packaging part
Part stretched in fluid channel together and the impact based on fluid and generate deformation, the resistance strain gage is attached at elasticity
The surface of element and the resistance for changing itself with the deformation of elastic element；The resistance strain gage is electrically connected with measurement host
And the resistance of itself is transmitted to measurement host.
Be further arranged to: the elastic element is in steel bar shape, and the resistance strain gage is attached at elastic element
Middle position.
Be further arranged to: the measurement pipe segment body is equipped with the mounting hole to match with packaging part, the packaging part
It is inserted in mounting hole, the periphery of the packaging part is installed with the locating piece to offset with the inner wall of mounting hole, the locating piece
Top be equipped with seal cover board for fixing packaging part.
It is further arranged to: being installed between the seal cover board and the measurement pipe segment body part at mounting hole
One sealing ring is installed with the second sealing ring between the seal cover board and locating piece.
Be further arranged to: the measurement host includes host shell and is located at the intracorporal circuit board of main case, described
Circuit board at least configured with control unit and be control unit power supply power supply, the host shell be set to mounting hole
Place, and be inserted in the packaging part in mounting hole and stretch in host shell and mutually fixed by locking bolt with host shell, institute
The resistance strain type sensor stated by conducting wire respectively on circuit board power supply and control unit be connected.
Be further arranged to: the outside of the host shell is equipped with liquid crystal display, which passes through conducting wire
Respectively on circuit board power supply and control unit be connected.
Be further arranged to: the circuit board is also configured with alarm unit, and the alarm unit is respectively and on circuit board
Power supply and control unit electrical connection.
The beneficial effects of the utility model are:
1, resistance strain type sensor is set in packaging part, which plays the role of sealed insulation, can prevent resistance
Strain gauge transducer contacts with the water in fluid channel and short circuit phenomenon occurs.And the force-applied deformation of packaging part, bullet will not be hindered
Property element is washed away and the movement of deformation by the water of fluid channel.Specifically, elastic element stretches to together with the part of packaging part
In fluid channel, as water passes through in fluid channel, deformation occurs under the washing away of water together with elastic element for packaging part, bullet
Property element can according in fluid channel when water flowing flow size variation and bending change, while adhering to resistance-strain thereon
For piece also with deformation is generated, resistance strain gage converts deformation to the variation of resistance value, then can be with by measurement Framework computing
The size of measuring force.Thus it is multi-functional, intelligentized to carry out visual numerical value will can be obtained based on the flow of water and flow velocity
Extension is created for subsequent electronization and provides good basis.
2, the utility model not only has the function of water meter, but also has flow meter function.As water meter function, it is logical to can record fluid
The water consumption of tap water in road, and as flow meter function, it not only can display pipes tap water instantaneous flow, also by it
It can be used as Running-water Company section piped water loss due to leakage and user pipe tap water loss due to leakage monitoring alarm function, such as generally certainly
Water user uses the water time about at 1-3 hours daily, and with the water time be it is desultory, if user's water supply pipe
There is leak, it is that continuously have flow for a long time, and it is more than 100 ls/h, continuous flow 3 hours that we, which set continuous flow,
Above warning function, if certain user pipe tap water loss due to leakage is more than 3 hours, the utility model by alarm unit can to
Family or Running-water Company's alarm reduce piped water loss due to leakage rate and national institute to be repaired and be handled in time to reach
The purpose advocated thriftiness with water.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the top view of packaging part in embodiment；
Fig. 3 is the cross-sectional view one of packaging part in embodiment；
Fig. 4 is the cross-sectional view two of packaging part in embodiment；
Fig. 5 is the structural block diagram of circuit board in embodiment.
In figure: 1, measurement pipe segment body；10, fluid channel；11, mounting hole；2, host is measured；20, host shell；3, it encapsulates
Part；30, locating piece；31, it is inserted into chamber；4, resistance strain type sensor；41, elastic element；42, resistance strain gage；6, sealing cover
Plate；71, the first sealing ring；72, the second sealing ring；8, locking bolt；91, power supply；92, control unit；93, liquid crystal display；
94, alarm unit.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to figs. 1 to Fig. 5, a kind of water meter or flowmeter structure based on resistance strain type sensor, including measurement pipeline section
Body 1 and the measurement host 2 on the outside of measurement pipe segment body 1, measurement pipe segment body 1 are hollow member and circulate with one for fluid
Fluid channel 10, measurement pipe segment body 1 are at least installed with the packaging part 3 of a force-applied deformation, be equipped in the packaging part 3 by its into
Row sealed insulation and matched resistance strain type sensor 4.In the present embodiment, the quantity of packaging part 3 is one, and should
The centre of packaging part 3 is equipped with the insertion chamber 31 being inserted into for resistance strain type sensor 4, and resistance strain type sensor 4 is inserted into and limits
In the insertion chamber 31.
Resistance strain type sensor 4 include elastic element 41 and resistance strain gage 42, elastic element 41 with packaging part 3 office
Portion stretched in fluid channel 10 together and the impact based on fluid and generate deformation, resistance strain gage 42 is attached at elastic element
41 surface and the resistance for changing itself with the deformation of elastic element 41；Resistance strain gage 42 is electrically connected simultaneously with measurement host 2
The resistance of itself is transmitted to measurement host 2.The part of packaging part 3 and elastic element 41 stretch to fluid channel 10 together
It is interior, when the water flow in fluid channel 10 is logical, packaging part 3 and elastic element 41 can be impacted.Another packaging part 3 is made of plastics, and
With deformable feature, when water slug packaging part 3, packaging part 3 can deformation occurs together with elastic element 41, elastic element
41 can according in fluid channel 10 when water flowing flow size variation and bending change, while adhering to resistance strain gage thereon
42 also with deformation is generated, and resistance strain gage 42 converts deformation to the variation of resistance value, then can by the measurement calculating of host 2
With the size of measuring force.Packaging part 3 plays the role of sealed insulation resistance strain type sensor 4, can prevent 41 He of elastic element
Resistance strain gage 42 contacts and causes the generation of short circuit phenomenon with the water in fluid channel 10.
Elastic element 41 is in steel bar shape, and resistance strain gage 42 is attached at the middle position of elastic element 41.
Measurement pipe segment body 1 is equipped with the mounting hole 11 to match with packaging part 3, and packaging part 3 is inserted in mounting hole 11, packaging part
3 periphery is installed with the locating piece 30 to offset with the inner wall of mounting hole 11, and packaging part 3 is interior by locating piece 30 and mounting hole 11
Wall offsets, and packaging part 3 is made not generate radial deflection under shaking, guarantees the stability of packaging part 3.Meanwhile locating piece 30
Top is equipped with seal cover board 6 for fixing packaging part 3, and the seal cover board 6 and packaging part 3 is fixed, then by seal cover board 6 with
Measurement pipe segment body 1 is fixed, and the modes such as bolt or welding can be used in connection type.
Separately in order to guarantee the sealing performance of the utility model, in seal cover board 6 and the measurement pipeline section that is located at mounting hole 11
It is installed with the first sealing ring 71 between 1 part of body, the second sealing ring 72 is installed between seal cover board 6 and locating piece 30.It utilizes
The Light deformation of first sealing ring 71 and the second sealing ring 72, effective the occurred gap of compensation, reinforces sealing performance.
Another measurement host 2 includes host shell 20 and the circuit board in host shell 20, is at least configured on circuit board
The power supply 91 for having control unit 92 and powering for control unit 92, host shell 20 is set at mounting hole 11, and is inserted in installation
Packaging part 3 in hole 11 is stretched in host shell 20 and is fixed by locking bolt 8 and 20 phase of host shell, resistance-strain type
Sensor 4 by conducting wire respectively on circuit board power supply 91 and control unit 92 be connected.Electricity in resistance strain type sensor 4
Resistance foil gauge 42 is connected by conducting wire with control unit 92, and STM32 single-chip microcontroller can be used in control unit 92, and control unit 92 is used for
The resistance that resistance strain gage 42 is transmitted in resistance strain type sensor 4 is received, and passes through the change in resistance of transient state, period
Property change in resistance or the change in resistance in certain time etc. calculate corresponding instantaneous flow or flow velocity, in certain time to correspond to
Flow or a variety of data such as average flow rate, be achieved in multi-functional, intelligentized extension, be subsequent electronic intelligent water meter
It creates and good basis is provided.
The outside of host shell 20 is equipped with liquid crystal display 93, and the liquid crystal display 93 is by conducting wire respectively and on circuit board
Power supply 91 and control unit 92 be connected, power supply 91 is that liquid crystal display 93 is powered, and control unit 92 will calculate flow rate
Etc. data be sent to liquid crystal display 93, liquid crystal display 93 shows that real time data is intuitively checked for user.
Circuit board is also configured with alarm unit 94, the alarm unit 94 respectively with the power supply 91 and control unit on circuit board
92 electrical connections, alarm unit 94 can be LED light and buzzer.When leak occurs in water supply pipe, it is continuous for a long time
There is a flow, therefore resistance strain type sensor 4 can detect the data at the moment, the capable of emitting alarm of alarm unit 94 at this time is reminded
User.Meanwhile the also expansible configuration wireless communication module of alarm unit 94 and Running-water Company link, and let out when running water pipe occurs
It is sounded an alarm in time to Running-water Company when leakage.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (7)
1. a kind of water meter or flowmeter structure based on resistance strain type sensor, including measurement pipe segment body (1) and it is set to measurement
Measurement host (2) on the outside of pipeline section body (1), the measurement pipe segment body (1) are hollow member and circulate with one for fluid
Fluid channel (10), it is characterised in that:
The measurement pipe segment body (1) is at least installed with the packaging part (3) of a force-applied deformation, is equipped in the packaging part (3)
Insulation is sealed by it and matched resistance strain type sensor (4), the resistance strain type sensor (4) include
Elastic element (41) and resistance strain gage (42), the elastic element (41) stretch to stream with the part of packaging part (3) together
In body channel (10) and the impact based on fluid and generate deformation, the resistance strain gage (42) is attached at elastic element (41)
Surface and change itself resistance with the deformation of elastic element (41)；The resistance strain gage (42) and measurement host
(2) it is electrically connected and the resistance of itself is transmitted to measurement host (2).
2. a kind of water meter or flowmeter structure based on resistance strain type sensor according to claim 1, feature exist
In: the elastic element (41) is in steel bar shape, and the resistance strain gage (42) is attached at the interposition of elastic element (41)
It sets.
3. a kind of water meter or flowmeter structure based on resistance strain type sensor according to claim 1, feature exist
In: the measurement pipe segment body (1) is equipped with the mounting hole (11) to match with packaging part (3), and the packaging part (3) is inserted in
Mounting hole (11), the periphery of the packaging part (3) is installed with the locating piece (30) to offset with the inner wall of mounting hole (11), described
The top of locating piece (30) be equipped with seal cover board (6) for fixing packaging part (3).
4. a kind of water meter or flowmeter structure based on resistance strain type sensor according to claim 3, feature exist
In: the first sealing ring is installed between the seal cover board (6) and measurement pipe segment body (1) part at mounting hole (11)
(71), it is installed between the seal cover board (6) and locating piece (30) the second sealing ring (72).
5. a kind of water meter or flowmeter structure based on resistance strain type sensor according to claim 3, feature exist
In: the measurement host (2) includes host shell (20) and the circuit board in host shell (20), the circuit board
On at least configured with control unit (92) and be the power supply (91) of control unit (92) power supply, the host shell (20) is set to
At mounting hole (11), and the packaging part (3) being inserted in mounting hole (11) stretches in host shell (20) and by locking spiral shell
Bolt (8) is mutually fixed with host shell (20), the resistance strain type sensor (4) by conducting wire respectively with the electricity on circuit board
Source (91) and control unit (92) are connected.
6. a kind of water meter or flowmeter structure based on resistance strain type sensor according to claim 5, feature exist
Be equipped with liquid crystal display (93) in: the outside of the host shell (20), the liquid crystal display (93) by conducting wire respectively with
Power supply (91) and control unit (92) on circuit board are connected.
7. a kind of water meter or flowmeter structure based on resistance strain type sensor according to claim 5, feature exist
In: the circuit board is also configured with alarm unit (94), the alarm unit (94) respectively on circuit board power supply (91) and
Control unit (92) electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920266291.7U CN209416422U (en) | 2019-03-01 | 2019-03-01 | A kind of water meter or flowmeter structure based on resistance strain type sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920266291.7U CN209416422U (en) | 2019-03-01 | 2019-03-01 | A kind of water meter or flowmeter structure based on resistance strain type sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209416422U true CN209416422U (en) | 2019-09-20 |
Family
ID=67945036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920266291.7U Active CN209416422U (en) | 2019-03-01 | 2019-03-01 | A kind of water meter or flowmeter structure based on resistance strain type sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209416422U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798943A (en) * | 2019-03-01 | 2019-05-24 | 孙良荣 | A kind of water meter or flowmeter structure based on resistance strain type sensor |
| CN112729421A (en) * | 2020-12-29 | 2021-04-30 | 安徽省锐凌计量器制造有限公司 | Multi-pipe-diameter non-full pipe flowmeter and installation and use method thereof |
-
2019
- 2019-03-01 CN CN201920266291.7U patent/CN209416422U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798943A (en) * | 2019-03-01 | 2019-05-24 | 孙良荣 | A kind of water meter or flowmeter structure based on resistance strain type sensor |
| CN112729421A (en) * | 2020-12-29 | 2021-04-30 | 安徽省锐凌计量器制造有限公司 | Multi-pipe-diameter non-full pipe flowmeter and installation and use method thereof |
| CN112729421B (en) * | 2020-12-29 | 2022-05-17 | 安徽省锐凌计量器制造有限公司 | Multi-pipe-diameter non-full pipe flowmeter and installation and use method thereof |
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