CN203519072U - Non-contact flow detecting device - Google Patents
Non-contact flow detecting device Download PDFInfo
- Publication number
- CN203519072U CN203519072U CN201320560043.6U CN201320560043U CN203519072U CN 203519072 U CN203519072 U CN 203519072U CN 201320560043 U CN201320560043 U CN 201320560043U CN 203519072 U CN203519072 U CN 203519072U
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- China
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- detecting device
- control circuit
- flow detecting
- flow
- baroceptor
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Abstract
The utility model relates to a non-contact flow detecting device which comprises a T-shaped tee joint, a pressure sensor and a control circuit. The non-contact flow detecting device is characterized in that a straight-pipe section of the T-shaped tee joint is connected and communicated with a detected pipe, a vertical-pipe section of the T-shaped tee joint is coaxially and fixedly provided with the pressure sensor, and the pressure sensor is connected with the control circuit through a wire. The non-contact flow detecting device utilizes a flowing direction characteristic of a fluid in a tee joint pipe to achieve non-contact detection and does not damage a water flowing pipeline structure and influence the production efficiency. Even if a water-quality environment is poor, the sensor is not damaged, and the non-contact flow detecting device is simple in structural design, small in size and convenient to install.
Description
Technical field
The utility model belongs to flow detection technical field, relates to the flow monitoring in embrane method water treatment environment, especially a kind of contactless flow detector.
Background technology
Flow detection is the pith of modern industry production run, and flow, temperature, pressure, thing position are referred to as the large parameter of four in process control together, and people are monitored and control production run by these parameters.Fluid flow is carried out correct measurement and regulated is to guarantee production run safety and economic operation, the basis of improving the quality of products, reducing material energy consumption, increasing economic efficiency, realizing scientific management.
And at field of environment protection, the same performer key player of flow detection.People, in order to control atmospheric pollution, must monitor the discharge capacity of the flue gas of atmosphere pollution and other greenhouse gases; The discharge of waste liquid and sewage, is polluted earth surface water source and underground water source, and people must process waste liquid and sewage, and discharge capacity is controlled.So millions of fume emission points has all become flow measurement object with Sewage outlet.Membrane Separation for Water Treatment is able to widespread use in field of environment protection at present; it be mainly used in reclaiming utility, water outlet quality requirements high (as water outlet require can reuse) and pollutant with other conventional treatment methods, be difficult to the occasion of removing, and be usually that embrane method is used in conjunction with other method for treating water (as flocculence, biochemical process etc.).The waste water that Membrane Separation for Water Treatment relates to mainly comprises textile industry, paper industry, petrochemical industry, food-processing industry and other industrial waste waters, and liquid comprises city domestic sewage.
Current various about test fluid method of flow, conventional have a positive displacement, differential pressure type, float, turbine, electromagnetism, vortex street, ultrasonic etc.Although flow rate testing methods is various, respectively there is feature.But in embrane method water treatment environment, there is multiple particular surroundings fluid measurement simultaneously, as caliber 8mm with interior, flow is less, special water quality (as viscous fluid, sewage etc.), non-contact detecting etc.Due to the restriction of above-mentioned particular surroundings, there are some technical matterss in existing detection method:
1) measuring instrument volume is larger, installs complicated;
2) environment of convection cell has higher requirements;
3) defect such as complicated operation, control inconvenience;
4) what have can meet the demands, and still, for the situation of a large amount of uses, cost is too high.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, and a kind of flow detection unit is provided, and the fluid flow of realizing in pipe with small pipe diameter, low discharge, special water quality and non-contact detecting environment detects.
The technical scheme that the utility model is realized object is:
A kind of contactless flow detector, comprise T-shaped three-way connection, baroceptor and control circuit, it is characterized in that: the conducting of joining of the straight length of described T-shaped three-way connection and tested pipeline, the standpipe section of T-shaped three-way connection is coaxially fixedly mounted with baroceptor, and this baroceptor is connected with control circuit by circuit.
And, described control circuit consists of signal amplifier, analog to digital converter and display, the pressure data of the gas column that signal amplifier gathers baroceptor amplifies, then carries out signal conversion through analog to digital converter, and the data after conversion show on display.
Of the present utility modelly with beneficial effect be a little:
1, the utility model utilizes fluid in triplate line, to flow to feature, has realized untouchable measurement, water pipeline structure is not damaged, and does not have influence on production efficiency.
2, the utility model, owing to being non-contact type, even if water quality environment is poor, can not damage sensor yet;
3, the utility model structural design is simple, and volume is little, easy for installation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is control circuit block scheme of the present utility model.
Embodiment
Below by the drawings and specific embodiments, the utility model is described in further detail, but the utility model is not limited to following embodiment, and any change of making in the present embodiment principle or replacement scheme all fall among the claimed scope of the utility model.
A contactless flow detector, as shown in Figure 1, comprises T-shaped three-way connection 3, baroceptor 1 and control circuit, and the conducting of joining of the straight length of T-shaped three-way connection and tested pipeline, for fluid transfer medium; The standpipe section of T-shaped three-way connection is coaxially fixedly mounted with baroceptor, and this baroceptor is connected with control circuit by circuit.
Described control circuit consists of signal amplifier, analog to digital converter and display, and the pressure data of the gas column 2 that signal amplifier gathers baroceptor amplifies, then carries out signal conversion through analog to digital converter, and the data after conversion show on display.
Principle of work of the present utility model is:
When the fluid of hydraulic medium flows through T-shaped three-way connection, the feature flowing in triplate line due to fluid, can form one section of gas column in the standpipe section of T-shaped three-way connection, baroceptor is measured the pressure of this section of gas column, and by measured (pressure) input control circuit (being data acquisition circuit), data acquisition circuit converts voltage signal to by this measured (pressure), voltage signal is after the signal amplifier in data acquisition circuit amplifies, via the analog to digital converter in data acquisition circuit, convert voltage signal to energy digital signal, and by digital signal through programmed algorithm obtain utilizing and and pressure, flow is reached certain linear ratio relation's numeral, and this numerical value is presented on display, be the flow of demonstration directly perceived.
In the above-described embodiments, data acquisition circuit 2 amplifies measured (pressure) via signal amplifier, then by analog to digital converter 7 switching signals, program calculating is converted to flow value and outputs to display, and flow value is intuitively shown.The present embodiment can be expanded, as after analog to digital converter conversion model, without program, calculate and be converted to flow value, but directly output, be about to force value output, intuitively be presented in display, be i.e. in the program composition of the utility model in can the analog to digital converter in data acquisition circuit, determine that output is flow value, force value or the two has concurrently.
In addition, above-described embodiment also can expand to, and data acquisition circuit output is not to join with display, but joins with another data communication circuit processed, forms real-time monitoring system, and fluid flow/pressure is monitored in real time.
Detect flow principle:
When current out-of-date, in pipeline, produce negative pressure, utilize specific that water flows at triplate line, red area leaves one section of gas column in the drawings, baroceptor can be measured the pressure of this section of gas column, this pressure versus flow becomes certain proportionate relationship, the flow of measuring liquid is changed into measurement gas pressure that is:.
Electric control theory:
Sensor converts voltage signal to by measured (pressure), and this signal is after operational amplifier amplifies, through single-chip microcomputer
Analog to digital converter voltage signal is converted to can digital signal, and digital signal is obtained utilizing through programmed algorithm and and pressure, flow reach certain linear ratio relation's numeral, this numeral is exactly our flow showing directly perceived.
System work process
Membrane stack flow collection module is received to water inlet and the water delivering orifice of each lamina membranacea, system can detect water real-time traffic in lamina membranacea, and face has two ultimate values, and face stops up to obtain the flow value of flow value and face breakage, when system detects these two
During ultimate value, system can be reported to the police by different way, tells that respectively staff is that face stops up or face breakage, when normal work, also can recall the present flow rate value of lamina membranacea in real time.
Claims (2)
1. a contactless flow detector, comprise T-shaped three-way connection, baroceptor and control circuit, it is characterized in that: the conducting of joining of the straight length of described T-shaped three-way connection and tested pipeline, the standpipe section of T-shaped three-way connection is coaxially fixedly mounted with baroceptor, and this baroceptor is connected with control circuit by circuit.
2. contactless flow detector according to claim 1, it is characterized in that: described control circuit consists of signal amplifier, analog to digital converter and display, the pressure data of the gas column that signal amplifier gathers baroceptor amplifies, through analog to digital converter, carry out signal conversion again, the data after conversion show on display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560043.6U CN203519072U (en) | 2013-09-10 | 2013-09-10 | Non-contact flow detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560043.6U CN203519072U (en) | 2013-09-10 | 2013-09-10 | Non-contact flow detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203519072U true CN203519072U (en) | 2014-04-02 |
Family
ID=50377991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320560043.6U Expired - Fee Related CN203519072U (en) | 2013-09-10 | 2013-09-10 | Non-contact flow detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203519072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU199214U1 (en) * | 2019-01-29 | 2020-08-21 | Общество с ограниченной ответственностью "Газпром трансгаз Казань" | Measuring pipeline for gas flow measurement unit |
| RU199216U1 (en) * | 2020-02-14 | 2020-08-21 | Общество с ограниченной ответственностью "Газпром трансгаз Казань" | Measuring pipeline for gas flow measurement unit |
-
2013
- 2013-09-10 CN CN201320560043.6U patent/CN203519072U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU199214U1 (en) * | 2019-01-29 | 2020-08-21 | Общество с ограниченной ответственностью "Газпром трансгаз Казань" | Measuring pipeline for gas flow measurement unit |
| RU199216U1 (en) * | 2020-02-14 | 2020-08-21 | Общество с ограниченной ответственностью "Газпром трансгаз Казань" | Measuring pipeline for gas flow measurement unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20210910 |