CN207317877U - A kind of pipeline road flow quantity detecting system - Google Patents
A kind of pipeline road flow quantity detecting system Download PDFInfo
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- CN207317877U CN207317877U CN201721459798.1U CN201721459798U CN207317877U CN 207317877 U CN207317877 U CN 207317877U CN 201721459798 U CN201721459798 U CN 201721459798U CN 207317877 U CN207317877 U CN 207317877U
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- flowmeter
- module
- pipeline road
- flow quantity
- detecting system
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Abstract
The utility model discloses a kind of pipeline road flow quantity detecting system, including the multiple oval gear flowmeter being installed on pipeline road, distributed director and wireless terminals, distributed director connects control centre by fieldbus or industrial control network;Power conversion mechanism and control module are further included in flowmeter;The rotation axis of one elliptic gear of flowmeter connects flowmeter casing by bearing, which is also connected with generator amature, and the electric energy output end of generator connects rechargeable battery by power transformation circuit, and module provides electric energy to rechargeable battery in order to control;Wireless terminal is communicated by the control module in built-in Zigbee module and flowmeter.The utility model disposes single battery powered for each flowmeter, and the rotational kinetic energy of flowmeter is converted into electric energy and is charged for battery, not only effectively solve the problems, such as the power wiring for needing design complicated in existing pipeline road flux monitoring system, but also solve the problems, such as that battery is continued a journey for a long time.
Description
Technical field
Detection device and device field are the utility model is related to, particularly a kind of pipeline road flow quantity detecting system.
Background technology
Oval gear flowmeter is the positive displacement instrument that flow flows through fluid flow total amount in pipeline, is mainly used for measurement oil
The integrated flow of the expensive medias such as class or other high viscosity mediums.Oval gear flowmeter housing and gear use stainless steel
Make, there is health, keep a public place clean, is acidproof, is corrosion-resistant, be widely used in the requirement such as liquid beverage, daily skin lotion and medicine
The metering of the industrial department corrosive solution such as hygienic, occasion of keeping a public place clean and metallurgy, chemical industry.Its basic principle is flowed in fluid
Under the action of, instrument inlet and outlet both ends form pressure difference, and a pair of of elliptic gear ceaselessly rotates on axis, and the cavity between its gear fills
Full liquid, as rotation is discharged, the revolution for measuring elliptic gear may know that the flow for flowing through instrument liquid.If elliptic gear
Rotate a circle the volume Q of discharge, and unit interval elliptic gear number of revolutions is N, then the liquid volume flowed through within the time
Measure as NQ.
In oil transportation engineering, using oval gear flowmeter detection flows, it is necessary to be provided for each oval gear flowmeter
Electric energy, thus there is complicated wiring engineering.Oval gear flowmeter generally need to only use low-voltage DC, low-voltage direct
Electricity is not easy to long distance transmission again, therefore also needs to increase external power converter module and High Level AC Voltage is changed into low-voltage direct
It is available to flowmeter.Flowmeter is in operation process, and because gear friction etc. will also produce extra heat, heat can cause to flow
Gauge temperature raises, and causes the sensor of detection flows that temperature drift occurs, and causes the inaccurate phenomenon of measurement.In addition, scene dimension
Shield engineer generally requires to monitor in real time the unusual condition of each flowmeter, service engineer sometimes not in control room, and
On-the-spot make an inspection tour, if any corner of service engineer in the field can real time inspection its be responsible for safeguard flowmeter flow
Detection state, will greatly facilitate its maintenance work.Therefore, it is necessary to design a kind of new flow quantity detecting system, solve the above problems.
Utility model content
The utility model for solve the problems, such as it is existing in the prior art propose, the purpose is to provide a kind of pipeline road flow
Detecting system.
The utility model takes following technical solution.
A kind of pipeline road flow quantity detecting system, including multiple flowmeters being installed on pipeline road;The flowmeter
For oval gear flowmeter, including flow quantity detection mechanism, flow quantity detection mechanism includes intermeshing first elliptic gear and the
Two elliptic gears, the second elliptic gear are nested in the second rotation axis, and the second elliptic gear is flexibly connected with the second rotation axis;Institute
State detecting system and further include the distributed director and wireless terminal for connecting multiple flowmeters, distributed director passes through live total
Line or industrial control network connection control centre;Power conversion mechanism and control module are further included in the flowmeter;Described
One elliptic gear is nested in the first rotation axis and connects flowmeter by bearing with the first rotation axis static connection, the first rotation axis
Casing;The power conversion mechanism includes generator, power transformation circuit, rechargeable battery, the first rotation of generator amature connection
Axis, the electric energy output end connection power transformation circuit input terminal of generator, power transformation circuit output terminal output DC power supply is simultaneously
Rechargeable battery positive and negative anodes are connected, module provides electric energy to rechargeable battery in order to control;The control module include master controller and with master
Hall sensor that controller is connected, ZigBee module, display module;The wireless terminal by built-in Zigbee module with
Control module communication in flowmeter.
Further, the power transformation circuit includes rectification module, filter module, the voltage transformation mould being sequentially connected in series
Block, charging interface module.
Further, ADC module built in the master controller, hall sensor output connection ADC module input terminal.
Further, the display module is LCD display.
Further, the rechargeable battery is lithium polymer battery.
Further, gateway of each distributed director as a sub-network, at least one is equipped with each sub-network
A flowmeter and at most a wireless terminal.
Further, power transformation circuit output terminal output direct current power source voltage is 5 ~ 12V.
The utility model obtains following beneficial effect.
The utility model is converted the rotational kinetic energy of flowmeter by disposing single battery powered for each flowmeter
It is battery charging for electric energy, not only effectively solves the electricity for needing design complicated in existing pipeline road flux monitoring system
Power wiring problem, and solve the problems, such as that battery is continued a journey for a long time;The utility model also constructs wireless ZigBee-network, will be every
A flowmeter is managed as a node in sub-network, and facilitating service engineer, optional position can lead in the field
Cross the reading of any one flowmeter of wireless terminal real time inspection.The utility model devises a kind of pipeline road flow detection system
System, relative to existing system, not only early period, construction used manpower and material resources sparingly, and later maintenance is also more convenient.
Brief description of the drawings
Fig. 1 is the system architecture diagram of the utility model;
Fig. 2 is flow quantity detection mechanism internal structure schematic diagram in the utility model;
Fig. 3 is the structure diagram of flowmeter power conversion mechanism and control module in the utility model.
Wherein:1. the first elliptic gear;2. the second elliptic gear;3. bearing;4. the second rotation axis;5. the first rotation axis.
Embodiment
The utility model is described in detail with embodiment with reference to the accompanying drawings.
As shown in Fig. 1 ~ 3, a kind of pipeline road flow quantity detecting system, including multiple flows being installed on pipeline road
Meter;The flow is calculated as oval gear flowmeter, including flow quantity detection mechanism, and flow quantity detection mechanism includes intermeshing first
1 and second elliptic gear 2 of elliptic gear, the second elliptic gear 2 are nested in the second rotation axis 4, the second elliptic gear 2 and second
Rotation axis 4 is flexibly connected;The detecting system further includes the distributed director and wireless terminal for connecting multiple flowmeters, distribution
Formula controller connects control centre by fieldbus or industrial control network;Power conversion mechanism is further included in the flowmeter
And control module;First elliptic gear 1 is nested in the first rotation axis 5 and is rotated with 5 static connection of the first rotation axis, first
Axis 5 connects flowmeter casing by bearing 3;The power conversion mechanism includes generator, power transformation circuit, rechargeable battery,
Generator amature connects the first rotation axis 5, the electric energy output end connection power transformation circuit input terminal of generator, power converter electricity
Road output terminal output DC power supply simultaneously connects rechargeable battery positive and negative anodes, and module provides electric energy to rechargeable battery in order to control;The control
Module includes master controller and the Hall sensor, ZigBee module, the display module that are connected with master controller;The wireless terminal
Communicated by the control module in built-in Zigbee module and flowmeter.
The power transformation circuit includes rectification module, filter module, voltage transformation module, the charging interface being sequentially connected in series
Module.
ADC module built in the master controller, hall sensor output connection ADC module input terminal.
The display module is LCD display.
The rechargeable battery is lithium polymer battery.
Each gateway of the distributed director as a sub-network, be equipped with each sub-network at least one flowmeter and
An at most wireless terminal.
Power transformation circuit output terminal output direct current power source voltage is 5 ~ 12V.
Flowmeter is deployed in each measurement point of oil pipeline, according to the position distribution of each measurement point in scene, is divided into
More sub-regions, each region set a distributed director as gateway, sub-network as a sub- network system
Interior, in a RS485 bus, bus is connected all flowmeter carries with gateway.It is independent for the distribution of each flowmeter by gateway
ID addresses.
The list of devices that wireless terminal typing is obtained from gateway, passes through each flow in ZigBee module and sub-network
Meter establishes connection, and inquires about and obtain the reading of flowmeter by ZigBee-network.
It is a pair of under the action of flowmeter imports and exports both ends fluid pressure differential when the oil stream in oil pipeline is through flowmeter
Elliptic gear ceaselessly rotates on axis and discharges liquid, and the revolution for measuring elliptic gear may know that and flow through the total of instrument liquid
Value.Two magnet assemblies are respectively provided with each gear, cause surrounding magnetic field to change in gear rotation process, so that by hall sensing
Device perceives, and master controller reads the mutation twice of Hall sensor numerical value, represents that gear turns over one week, if elliptic gear rotates
The volume Q of discharge in one week, unit interval elliptic gear number of revolutions is N, then the volume of fluid flowed through within the time is
NQ。
The rotor of generator is connected with the axis of one of gear, thus a part of kinetic energy in gear rotation process turns
Electric energy has been melted into, and has been charged for rechargeable battery, and then circuit is powered in order to control.It not only ensure that the continuation of the journey of battery, and it is another
Aspect decreases the energy value for being converted into thermal energy.
Claims (7)
1. a kind of pipeline road flow quantity detecting system, including multiple flowmeters being installed on pipeline road;The flow is calculated as
Oval gear flowmeter, including flow quantity detection mechanism, flow quantity detection mechanism include intermeshing first elliptic gear(1)With
Two elliptic gears(2), the second elliptic gear(2)It is nested in the second rotation axis(4)On, the second elliptic gear(2)With the second rotation
Axis(4)It is flexibly connected;It is characterized in that, the detecting system further includes the distributed director that connects multiple flowmeters and wireless
Terminal, distributed director connect control centre by fieldbus or industrial control network;Electricity is further included in the flowmeter
Force transforming mechanism and control module;First elliptic gear(1)It is nested in the first rotation axis(5)It is upper and with the first rotation axis
(5)Static connection, the first rotation axis(5)Pass through bearing(3)Connect flowmeter casing;The power conversion mechanism include generator,
Power transformation circuit, rechargeable battery, generator amature connect the first rotation axis(5), the electric energy output end connection electric power of generator
Translation circuit input terminal, power transformation circuit output terminal output DC power supply simultaneously connect rechargeable battery positive and negative anodes, and rechargeable battery is
Control module provides electric energy;The control module includes master controller and the Hall sensor, the ZigBee that are connected with master controller
Module, display module;The wireless terminal is communicated by the control module in built-in Zigbee module and flowmeter.
A kind of 2. pipeline road flow quantity detecting system as claimed in claim 1, it is characterised in that the power transformation circuit bag
Include the rectification module being sequentially connected in series, filter module, voltage transformation module, charging interface module.
3. a kind of pipeline road flow quantity detecting system as claimed in claim 1, it is characterised in that built in the master controller
ADC module, hall sensor output connection ADC module input terminal.
4. a kind of pipeline road flow quantity detecting system as claimed in claim 1, it is characterised in that the display module is LCD
Display screen.
5. a kind of pipeline road flow quantity detecting system as claimed in claim 1, it is characterised in that the rechargeable battery gathers for lithium
Compound battery.
6. a kind of pipeline road flow quantity detecting system as claimed in claim 1, it is characterised in that each distributed director is made
For the gateway of a sub-network, at least one flowmeter and an at most wireless terminal are equipped with each sub-network.
A kind of 7. pipeline road flow quantity detecting system as claimed in claim 1, it is characterised in that power transformation circuit output terminal
Output direct current power source voltage is 5 ~ 12V.
Priority Applications (1)
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CN201721459798.1U CN207317877U (en) | 2017-11-06 | 2017-11-06 | A kind of pipeline road flow quantity detecting system |
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CN201721459798.1U CN207317877U (en) | 2017-11-06 | 2017-11-06 | A kind of pipeline road flow quantity detecting system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112050861A (en) * | 2020-09-23 | 2020-12-08 | 绍兴市上虞东虞塑料电器有限公司 | Temperature flow detection circuit and sensor thereof |
CN114323177A (en) * | 2021-12-15 | 2022-04-12 | 浙江华章科技有限公司 | A digital small flow detection and collection device |
CN111049428B (en) * | 2019-01-10 | 2024-01-02 | 杜书勇 | Renewable power system of in-pipeline detection device |
-
2017
- 2017-11-06 CN CN201721459798.1U patent/CN207317877U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111049428B (en) * | 2019-01-10 | 2024-01-02 | 杜书勇 | Renewable power system of in-pipeline detection device |
CN112050861A (en) * | 2020-09-23 | 2020-12-08 | 绍兴市上虞东虞塑料电器有限公司 | Temperature flow detection circuit and sensor thereof |
CN114323177A (en) * | 2021-12-15 | 2022-04-12 | 浙江华章科技有限公司 | A digital small flow detection and collection device |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 Termination date: 20181106 |
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CF01 | Termination of patent right due to non-payment of annual fee |