CN207395815U - Wide-range plug-in type intellectual water meter - Google Patents
Wide-range plug-in type intellectual water meter Download PDFInfo
- Publication number
- CN207395815U CN207395815U CN201720554405.9U CN201720554405U CN207395815U CN 207395815 U CN207395815 U CN 207395815U CN 201720554405 U CN201720554405 U CN 201720554405U CN 207395815 U CN207395815 U CN 207395815U
- Authority
- CN
- China
- Prior art keywords
- pressure
- differential pressure
- pick
- differential
- water meter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model is related to wide-range plug-in type intellectual water meters, and including measurement pipe, the intellectual water meter further includes differential pressure pick-up A, differential pressure pick-up B and pressure sensor；The high pressure chest is respectively connected to a port of differential pressure pick-up A and differential pressure pick-up B by high pressure pressure guiding pipe, and the low pressure chamber is respectively connected to the another port of differential pressure pick-up A and differential pressure pick-up B by low pressure pressure guiding pipe；The static pressure hole of the measurement pipe, the static pressure hole are connected by static pressure pressure guiding pipe with pressure sensor；The intellectual water meter further includes the control mainboard that is electrically connected with the differential pressure pick-up A, differential pressure pick-up B and pressure sensor and the in order to control battery module of main board power supply.The utility model is enabled small-range differential pressure pick-up when flow is small, wide range differential pressure pick-up is enabled when flow is big, realized wide range measure using the differential pressure pickup of two different ranges.
Description
Technical field
The utility model is related to water meter technical fields, and in particular to a kind of wide-range plug-in type intellectual water meter.
Background technology
Occur a variety of measuring devices for being used for measuring water flow in the market, mean velocity tube flowmeter belongs to one of which,
Fast flowmeter for pipe (also known as fluted shape mean velocity tube flowmeter, Annular Round Model PFB and support hand shaft flowmeter) belongs to differential pressure flowmeter.
Mean velocity tube flowmeter is formed using between the dynamic pressure of Pitot tube measuring principle measurement block body upstream and the static pressure in downstream
Pressure difference, so as to achieve the purpose that measure flow.
Its function of existing flowmeter is more single, single flow detection can only be carried out to the flow in certain pipeline, so
And in the actual use process, flow in same pipeline can be usually allowed due to factors such as the touchings of pipe deforming or external force
There is different situation, it may appear that big flow and small flow, if only measured with single flowmeter to it, thus
Cause its detection not accurate enough, so as to be impacted to subsequent production.
Utility model content
The purpose of this utility model is to be directed to more than shortcoming, provides a kind of wide-range, can be according to actual flow feelings
Condition carries out the wide-range plug-in type intellectual water meter of specific aim measurement using the differential pressure pick-up of corresponding range.
Scheme is used by the utility model solves technical problem：A kind of wide-range plug-in type intellectual water meter, including surveying
Buret, the measurement tube cavity are separated into the high pressure chest positioned at upstream face one side and the low pressure positioned at back side one side by partition plate
Chamber, be evenly equipped on the front side wall of high pressure chest it is multiple for introducing the pressure holes of extratubal fluid pressure, in the left and right sidewall of low pressure chamber
Multiple low pressure holes for being used to introduce extratubal fluid pressure are evenly equipped with, pressure hole is located at measurement pipe upstream face, and low pressure hole is located at measurement
Pipe back side；The intellectual water meter further includes differential pressure pick-up A, differential pressure pick-up B and pressure sensor；The differential pressure pick-up
The pressure difference range ability that B is detected is more than the pressure difference range ability that differential pressure pick-up A is detected, and the high pressure chest is drawn by high pressure
Pressure pipe is respectively connected to a port of differential pressure pick-up A and differential pressure pick-up B, and the low pressure chamber is distinguished by low pressure pressure guiding pipe
It is connected to the another port of differential pressure pick-up A and differential pressure pick-up B；On the back side of rear wall, that is, measurement pipe of the measurement pipe
Offer to introduce the static pressure hole of extratubal fluid pressure, the static pressure hole is connected by static pressure pressure guiding pipe with pressure sensor；
The intellectual water meter further include the control mainboard that is electrically connected with the differential pressure pick-up A, differential pressure pick-up B and pressure sensor with
And the battery module of main board power supply, the differential pressure pick-up A, differential pressure pick-up B are detected work and will detect in order to control
Flow information be sent to control mainboard, control mainboard switches to the flow measurement side of differential pressure pick-up A according to the size of flow
The flow measurement mode of formula or differential pressure pick-up B.
In order to be measured to fluids within pipes flow；The high pressure pressure guiding pipe is connected with high pressure chest top, the low pressure
Pressure guiding pipe is connected with low pressure chamber top.
In order to obtain the working pressure of measurement pipe local environment；The static pressure pressure guiding pipe is built in measurement pipe, static pressure
One end of pressure guiding pipe is connected with static pressure hole, and the other end is connected after being stretched out by one end nozzle of measurement pipe with pressure sensor.
In order to obtain the temperature of measurement pipe local environment；Temperature sensor, the temperature are additionally provided in the measurement pipe
Sensor is electrically connected with control mainboard, is provided with to show the display module of real time environment temperature in control mainboard.
For remote monitoring traffic conditions；The control mainboard includes that the nothing that data are sent to remote terminal will be detected
Line communicates transmitting module in order to monitor pipeline flow situation in real time.
In order to charge to control mainboard；The power module be battery, the power module can external power supply charge.
In order to which various aspects monitor pipeline traffic conditions；The control mainboard further includes alarm module, timing module.
For the prior art, the utility model has the following advantages：
(1) detection when the utility model uses the differential pressure pickup of two different ranges to tackle different flow, two
The numerical value detected is passed to control mainboard by the differential pressure pickup of different ranges, and control mainboard judges the big of flow according to numerical value
Flow value that is small, being calculated when flow is small using small-range differential pressure pick-up is passed when flow is big using wide range differential pressure
The flow value that sensor calculates realizes wide range measure；
(2) the utility model sets pressure hole, low pressure hole and static pressure hole to obtain the stream of varying environment in measurement pipe
Body pressure, and the Fluid pressure is respectively directed on each differential pressure pick-up and pressure sensor, to obtain pressure difference and pressure
Force value；
(3) control mainboard of the utility model includes wireless communication module, convenient for remote monitoring pipeline flow situation；
(4) using rechargeable battery module, efficent use of resources prevents from bringing using disposable battery the utility model
Environmental pollution.
Description of the drawings
The utility model is described in further detail in conjunction with the embodiments with reference to the accompanying drawings：
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of measurement pipe.
In figure：1- measurement pipes；11- high pressure chests；111- pressure holes；12- low pressure chambers；121- low pressure holes；13- static pressure holes；2-
High pressure pressure guiding pipe；3- low pressure pressure guiding pipes；4- static pressure pressure guiding pipes.
Specific embodiment
The utility model content is described in detail with reference to Figure of description and specific embodiment：
As shown in Figs. 1-2, the present embodiment provides a kind of wide-range plug-in type intellectual water meters, including measurement pipe 1, the measurement
1 inner cavity of pipe is separated into the high pressure chest 11 positioned at upstream face one side and the low pressure chamber 12 positioned at back side one side, high pressure by partition plate
Be evenly equipped on the front side wall of chamber 11 it is multiple for introducing the pressure holes 111 of extratubal fluid pressure, in the left and right sidewall of low pressure chamber 12
Multiple low pressure holes 121 for being used to introduce extratubal fluid pressure are evenly equipped with, pressure hole 111 is located at 1 upstream face of measurement pipe, low pressure hole
121 are located at 1 back side of measurement pipe；The intellectual water meter further includes differential pressure pick-up A, differential pressure pick-up B and pressure sensor；Institute
It states the pressure difference range ability that differential pressure pick-up B is detected and is more than the pressure difference range ability that differential pressure pick-up A is detected, the high pressure
Chamber 11 is respectively connected to a port of differential pressure pick-up A and differential pressure pick-up B, the low pressure chamber 12 by high pressure pressure guiding pipe 2
The another port of differential pressure pick-up A and differential pressure pick-up B are respectively connected to by low pressure pressure guiding pipe 3；The rear side of the measurement pipe 1
Offer to introduce the static pressure hole 13 of extratubal fluid pressure on the back side of wall, that is, measurement pipe 1, the static pressure hole 13 is by quiet
Pressure pressure guiding pipe 4 is connected with pressure sensor；The intellectual water meter further includes and the differential pressure pick-up A, differential pressure pick-up B and pressure
The control mainboard of force snesor electrical connection and the in order to control battery module of main board power supply, the differential pressure pick-up A, differential pressure sensing
Device B is detected work and the flow information detected is sent to control mainboard, and control mainboard switches according to the size of flow
Into the flow measurement mode of differential pressure pick-up A or the flow measurement mode of differential pressure pick-up B.
In the present embodiment, differential pressure pick-up A can use range as 0-1Kpa, and differential pressure pick-up B can use range as 1Kpa-
1Mpa, to tackle the fluid flow rate of different flow measurement situation, during in low flow velocity, the small-range of differential pressure pick-up A can be into
Row specific aim measures, the relatively large deviation generated when avoiding using sensors of large measurement range measurement；During in high flow rate, differential pressure pick-up
The wide range of B can provide sufficiently wide measurement range to meet measurement demand.
In the present embodiment, in order to be measured to fluids within pipes flow；On the high pressure pressure guiding pipe 2 and high pressure chest 11
Portion connects, and the low pressure pressure guiding pipe 3 is connected with 12 top of low pressure chamber, as shown in Figure 1, each pressure guiding pipe respectively draws Fluid pressure
To each sensor in order to be measured to each Fluid pressure, herein because differential pressure pick-up A has overload protection ability,
Therefore can be placed in the fluid of no to scale, it is of course also possible to which the two-port in differential pressure pick-up A sets control valve to protect
Differential pressure pick-up A.
In the present embodiment, in order to obtain the working pressure of 1 local environment of measurement pipe；Built in the static pressure pressure guiding pipe 4
In in measurement pipe 1, one end of static pressure pressure guiding pipe 4 is connected with static pressure hole 13, the other end stretched out by one end nozzle of measurement pipe 1 after with
Pressure sensor connects.
In the present embodiment, in order to obtain the temperature of 1 local environment of measurement pipe；Temperature is additionally provided in the measurement pipe 1
Sensor, the temperature sensor are electrically connected with control mainboard, are provided with to show real time environment temperature in control mainboard
Display module.
In the present embodiment, for remote monitoring traffic conditions；The control mainboard includes that data sending will be detected
To remote terminal wireless telecommunications transmitting module in order to monitoring pipeline flow situation in real time.
In the present embodiment, in order to charge to control mainboard；The power module be battery or chargeable storage, it is described
Power module can external power supply charge.
In the present embodiment, in order to which various aspects monitor pipeline traffic conditions；The control mainboard further includes alarm module, meter
When module.
In the present embodiment, it is monitoring pipeline flow velocity；The differential pressure pick-up A, which is electrically connected with, is used to indicate its work
The work light A of state, differential pressure pick-up B are electrically connected with the work light B for being used to indicate its working condition, operating personnel
Can be clear how it is which differential pressure pick-up intuitively recognizes pipeline flow situation in work by indicator light.
In the present embodiment, when fluid flows through measurement pipe 1, a high pressure distributed area, high pressure distribution are generated in its forepart
The pressure in area is slightly above the static pressure of pipeline.According to Bernoulli equation principle, speed is accelerated when fluid flows through measurement pipe 1, is measuring
1 rear portion of pipe generates a low pressure distributed area, and the pressure in low pressure distributed area is slightly below the static pressure of pipeline.Fluid is flowed through from measurement pipe 1
Partial vacuum is generated at probe rear portion afterwards, and vortex occurs in the both sides of probe.The cross sectional shape of uniform speed flow probe, surface are thick
The position of rough situation and low pressure pressure port is the key factor for determining probe performance.The stabilization of low-voltage signal and accurately to average rate visit
The precision and performance of head play a decisive role.Flow probe can be accurately detected average as caused by the average speed of fluid
Differential pressure.Flow probe has the multipair pressure port arranged by certain criterion in high and low pressure area, makes accurately to survey mean flow rate as can
Energy.
Specific implementation process：During measurement, measurement pipe is inserted into pipeline, each Fluid pressure is respectively by pressure hole 111, low
Pressure hole 121 and static pressure hole 13 are flowed into respective chamber and pipeline, and pass through pressure guiding pipe be introduced to two differential pressure pick-ups by
On the compression face of pressure surface and pressure sensor, in order to which two differential pressure pick-ups and pressure sensor obtain pressure data, here
Differential pressure pick-up needs two ports, and pressure sensor only needs a port with fluidly connecting with fluidly connecting；Differential pressure senses
For device A and differential pressure pick-up B by the pressure value data transfer of measurement to control mainboard, control mainboard judges that this is enabled according to the data
Small-range differential pressure pick-up A or wide range differential pressure pick-up B when water flow velocity is smaller, is obtained using differential pressure pick-up A
Measurement data ensures measurement accuracy；When water flow velocity is larger, using the measurement data of differential pressure pick-up B acquisitions, provide wider
Measurement range.
Above-listed preferred embodiment has been further described the purpose of this utility model, technical solution and advantage,
It should be understood that the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all
Within the spirit and principles of the present invention, any modifications, equivalent replacements and improvements are made should be included in this practicality
Within new protection domain.
Claims (5)
1. a kind of wide-range plug-in type intellectual water meter, it is characterised in that：Including measurement pipe (1), measurement pipe (1) inner cavity passes through
Partition plate is separated into the high pressure chest (11) positioned at upstream face one side and the low pressure chamber (12) positioned at back side one side, high pressure chest (11)
Be evenly equipped on front side wall it is multiple for introducing the pressure holes (111) of extratubal fluid pressure, in the left and right sidewall of low pressure chamber (12)
It is furnished with multiple low pressure holes (121) for being used to introduce extratubal fluid pressure；The intellectual water meter further includes differential pressure pick-up A, differential pressure
Sensor B and pressure sensor；The pressure difference range ability that the differential pressure pick-up B is detected is detected more than differential pressure pick-up A
Pressure difference range ability, the high pressure chest (11) is respectively connected to differential pressure pick-up A and differential pressure by high pressure pressure guiding pipe (2) and senses
The a port of device B, the low pressure chamber (12) is respectively connected to differential pressure pick-up A by low pressure pressure guiding pipe (3) and differential pressure senses
The another port of device B；Offer to introduce the static pressure hole (13) of extratubal fluid pressure on the rear wall of the measurement pipe (1),
The static pressure hole (13) is connected by static pressure pressure guiding pipe (4) with pressure sensor；The intellectual water meter further includes and the differential pressure
The control mainboard and the battery module of main board power supply in order to control of sensors A, differential pressure pick-up B and pressure sensor electrical connection.
2. wide-range plug-in type intellectual water meter according to claim 1, it is characterised in that：In the static pressure pressure guiding pipe (4)
Be placed in measurement pipe (1), one end of static pressure pressure guiding pipe (4) is connected with static pressure hole (13), the other end by measurement pipe (1) an end pipe
Mouth is connected after stretching out with pressure sensor.
3. wide-range plug-in type intellectual water meter according to claim 1, it is characterised in that：It is also set on the measurement pipe (1)
Temperature sensor is equipped with, the temperature sensor is electrically connected with control mainboard, is provided with to show real-time ring in control mainboard
The display module of border temperature.
4. wide-range plug-in type intellectual water meter according to claim 1, it is characterised in that：The control mainboard includes being used for
Detection data are sent to the wireless telecommunications transmitting module of remote terminal in order to monitor pipeline flow situation in real time.
5. wide-range plug-in type intellectual water meter according to claim 1, it is characterised in that：The battery module is battery,
The battery module can external power supply charge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720554405.9U CN207395815U (en) | 2017-05-18 | 2017-05-18 | Wide-range plug-in type intellectual water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720554405.9U CN207395815U (en) | 2017-05-18 | 2017-05-18 | Wide-range plug-in type intellectual water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207395815U true CN207395815U (en) | 2018-05-22 |
Family
ID=62402077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720554405.9U Active CN207395815U (en) | 2017-05-18 | 2017-05-18 | Wide-range plug-in type intellectual water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207395815U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443459A (en) * | 2018-12-05 | 2019-03-08 | 福建上润精密仪器有限公司 | The throttling set of built-in high-precision sensor |
| CN111157071A (en) * | 2020-01-17 | 2020-05-15 | 北京市天茏利华科技有限责任公司 | Split type flow monitoring instrument |
| CN111896770A (en) * | 2020-07-16 | 2020-11-06 | 中国船舶重工集团公司第七0七研究所九江分部 | Processing circuit suitable for measuring flow velocity based on differential pressure principle |
| CN114184233A (en) * | 2021-12-13 | 2022-03-15 | 上海立格仪表有限公司 | Intelligent sensor module and control method thereof |
-
2017
- 2017-05-18 CN CN201720554405.9U patent/CN207395815U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443459A (en) * | 2018-12-05 | 2019-03-08 | 福建上润精密仪器有限公司 | The throttling set of built-in high-precision sensor |
| CN109443459B (en) * | 2018-12-05 | 2024-01-16 | 福建上润精密仪器有限公司 | Throttle device with built-in high-precision sensor |
| CN111157071A (en) * | 2020-01-17 | 2020-05-15 | 北京市天茏利华科技有限责任公司 | Split type flow monitoring instrument |
| CN111896770A (en) * | 2020-07-16 | 2020-11-06 | 中国船舶重工集团公司第七0七研究所九江分部 | Processing circuit suitable for measuring flow velocity based on differential pressure principle |
| CN114184233A (en) * | 2021-12-13 | 2022-03-15 | 上海立格仪表有限公司 | Intelligent sensor module and control method thereof |
| CN114184233B (en) * | 2021-12-13 | 2022-11-25 | 上海立格仪表有限公司 | Intelligent sensor module and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207395815U (en) | Wide-range plug-in type intellectual water meter | |
| CN100538307C (en) | A kind of wind tunnel calibration method for large flow gas pipeline averaging velocity tube flowmeter | |
| CN104048808A (en) | Dynamic entropy probe | |
| CN208999264U (en) | Radial flow sediment content real-time measurement apparatus and real-time measurement system | |
| CN207395827U (en) | Insert type flow measuring device | |
| CN109884341A (en) | The method and system that the pressure difference zero point value of measuring wind speed is calibrated automatically | |
| CN202836639U (en) | Heat-type v-cone differential pressure flow duplex measurement device | |
| CN108279194B (en) | Droplet concentration detection apparatus and detection method | |
| CN105806434A (en) | System for measuring flow of open channel | |
| CN207963973U (en) | A kind of ultrasonic flowmeter unit and device | |
| CN203191005U (en) | Precession vortex flowmeter | |
| CN202582616U (en) | Integrated intelligent Verabar flow meter | |
| CN109799362A (en) | A kind of Flow speed measurer | |
| CN202533120U (en) | Wide-range gas flowmeter integrating instrument | |
| CN201138216Y (en) | Detection device for steam bidirectional flowing in steam lead | |
| CN208488130U (en) | A kind of apparatus for measuring air quantity | |
| CN210689729U (en) | High-precision wide-range integrated differential pressure type flow measuring device | |
| CN207180590U (en) | A kind of cylinder jacket external diameter thickness measurement equipment | |
| CN202836646U (en) | Thermal vortex composite flow measuring device with bypass bridge circuit | |
| CN209690115U (en) | A kind of duct type on-line densimeter | |
| CN209247080U (en) | The throttling set of built-in high-precision sensor | |
| CN206990132U (en) | A kind of base table is the ultrasonic calorimeter of column | |
| CN208536911U (en) | A kind of gauge check application apparatus | |
| CN201237513Y (en) | Integrated intelligent differential pressure type mass flowmeter | |
| CN201255677Y (en) | Air fluid pressure sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |