CN109797811A - A kind of constant pressure water supply system - Google Patents
A kind of constant pressure water supply system Download PDFInfo
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- CN109797811A CN109797811A CN201910101655.0A CN201910101655A CN109797811A CN 109797811 A CN109797811 A CN 109797811A CN 201910101655 A CN201910101655 A CN 201910101655A CN 109797811 A CN109797811 A CN 109797811A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 238000004891 communication Methods 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 238000010295 mobile communication Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000008030 elimination Effects 0.000 abstract description 6
- 238000003379 elimination reaction Methods 0.000 abstract description 6
- 230000007257 malfunction Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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Abstract
The invention discloses a kind of constant pressure water supply system, including water supply network, control system and a plurality of water supplying units, water supplying unit includes water pump, frequency converter, flow sensor, pressure sensor and the first ZigBee module；The output end of flow sensor and pressure sensor connects the first ZigBee module respectively, and the control signal output of the first ZigBee module connects frequency converter；Control system includes remote control terminal and ZigBee coordinator gateway, ZigBee coordinator gateway includes microprocessor and the second ZigBee module, second ZigBee module and the first ZigBee module wireless communication connect, receive the pump capacity data and pressure data that the first ZigBee module is sent, after the data on flows received and pressure data are compared ZigBee coordinator gateway with the flow value of setting and pressure value, the first ZigBee module is sent control signals to, the long-range water supplying unit that controls operates in suitable state.The present invention is able to achieve the operating status of each long-range control, remote real-time monitoring water pump, is convenient for malfunction elimination.
Description
[technical field]
The present invention relates to water supply device more particularly to a kind of constant pressure water supply systems.
[background technique]
At present save water and energy have become characteristics of the times current conditions under, constant pressure water supply system is answered more and more
Used in urban water supply field.The principle of this system be by install pressure sensor in systems by system pressure signal with
Setup pressure value is made comparisons, then the output of frequency converter is adjusted by controller, step-less adjustment pump rotary speed, and passes through increase and decrease water pump
To achieve the purpose that constant pressure water supply.
Application No. is a kind of Full-automatic variable-frequency constant pressure water supply system of the disclosure of the invention of CN201410311131.1 and its controls
Method processed, including pressurized tank, pressure sensor, flow sensor, control cabinet, multistage frequency conversion water pump group, low water level sensor and
Pond；The control cabinet is connect with more multi-level water pump groups in parallel, and multistage frequency conversion water pump group water inlet end is connect with pond, multistage
The water outlet of variable frequency pump group is connect with pressurized tank, and the pressurized tank is connected through pressure sensor with control cabinet, and pond is through low water
Level sensor is connected with control cabinet, and the flow sensor is connected with control cabinet.The invention, can frequency conversion adjustment by control method
The revolving speed of water pump and the number of units of control pump working, realize and use water end (W.E.) pressure adjustable, intelligence degree is high；Pressurized tank can effectively disappear
Except the pressure fluctuation with water end (W.E.), guarantee constant pressure of supply water.
Current constant pressure water supply system mainly carries out pressure adjusting by the output of controller control frequency converter,
After PID arithmetic inside frequency converter, the variation of frequency converter output frequency is completed, cutting for frequency conversion and power frequency is completed by controller
It changes, it is difficult to realize the long-range control of water pump operation pattern switching and frequency converter output frequency.Control cabinet by pressure sensor and
Flow sensor obtains the pressure of pipe network and data on flows is controlled and adjusted to water pump, but it is specific not grasp every water pump
Working condition, in order to guarantee the safe and reliable operation of water pump, need to arrange staff carry out it is on duty；And when system is transported
When row failure, make troubles to malfunction elimination.
[summary of the invention]
The technical problem to be solved in the present invention is to provide one kind to be easy to implement water pump operation pattern switching and frequency converter output
The operating status of each water pump of remote real-time monitoring is capable of in the long-range control of frequency, is supplied convenient for the frequency-changing pressure stabilizing of malfunction elimination
Water system.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that, a kind of constant pressure water supply system, including
Water supply network, control system and a plurality of water supplying units, water supplying unit include water pump, frequency converter, the flow sensing for driving water pump
Device, pressure sensor and the first ZigBee module；The water pump of a plurality of water supplying units is attempted by water supply network, flow sensor
The water outlet of water pump is mounted on pressure sensor, the output end of flow sensor and the output end of pressure sensor connect respectively
First ZigBee module, the first control signal output termination frequency converter of the first ZigBee module；Control system includes long-range control
Terminal processed and ZigBee coordinator gateway, ZigBee coordinator gateway include microprocessor and the second ZigBee module, micro process
Device and the second ZigBee module and remote control terminal communication connection；The first of second ZigBee module and all water supplying units
ZigBee module wireless communication connection, receives the pump capacity data and pressure data that the first ZigBee module is sent,
After the data on flows received and pressure data are compared ZigBee coordinator gateway with the flow value of setting and pressure value,
The first ZigBee module is sent control signals to, the long-range water supplying unit that controls operates in suitable state.
Above-described constant pressure water supply system, remote control terminal include long-range administrative department middle control platform,
Server and mobile client, ZigBee coordinator gateway includes Ethernet interface and mobile communication module；Microprocessor passes through ether
Mouth and Ethernet are connect with middle control Platform communication, pass through mobile communication module and mobile communications network and server and mobile client
End wireless communication connection.
Above-described constant pressure water supply system, water supplying unit include relay and relay drive circuit, water pump electricity
Machine connects frequency converter by relay contact；The second control signal of control the first ZigBee module of termination of relay drive circuit
Output end is controlled the start and stop of pump motor by remote control terminal by ZigBee coordinator gateway and the first ZigBee module.
Above-described constant pressure water supply system supplies water single when water supplying unit switchs to power frequency operation by converting operation
First ZigBee module of member is transferred to dormant state；When the microprocessor monitors of ZigBee coordinator gateway do not reach to system hydraulic pressure
When to prescribed requirement, the first ZigBee module of wake-up command to corresponding water supplying unit is sent by the second ZigBee module, it is right
Water supplying unit is answered to switch to converting operation by power frequency operation.
First ZigBee module is installed on frequency converter, and exporting an external AC-DC module by frequency converter is it
Power supply is provided.
The present invention is able to achieve the long-range control of water pump operation pattern switching and frequency converter output frequency, can remotely supervise in real time
The operating status for controlling each water pump, is convenient for malfunction elimination.
[Detailed description of the invention]
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structural block diagram of constant pressure water supply system of the embodiment of the present invention.
Fig. 2 is the structural block diagram of water supplying unit of the embodiment of the present invention.
Fig. 3 is the structural block diagram of ZigBee coordinator gateway of the embodiment of the present invention.
[specific embodiment]
In view of many deficiencies existing for existing water pump operation system, the present invention proposes a kind of change based on ZigBee technology
Frequency constant pressure water supply system.The system can be realized the automatic switchover of water pump operation mode and the long-range control of frequency converter output frequency
System, achievees the purpose that constant pressure water supply, and can monitor the operating status of each water pump in real time, brings convenience to malfunction elimination.
Constant pressure water supply system based on ZigBee technology includes water supply network, control system and multiple water supplying units.
Control system includes remote control terminal and ZigBee coordinator gateway.Remote control terminal includes in long-range administrative department
Control platform, server and mobile client.
Water supplying unit include water pump, frequency converter, flow sensor, pressure sensor, the first ZigBee module, relay and
Relay drive circuit.Pump motor connects frequency converter by relay contact.The water pump of each water supplying unit is attempted by water supply network
Water inlet system and outlet system between.
Flow sensor and pressure sensor are mounted on the water outlet of water pump, and the output end and pressure of flow sensor pass
The output end of sensor connects the first ZigBee module, the first control signal output termination frequency converter of the first ZigBee module respectively.
The second control signal output end of control the first ZigBee module of termination of relay drive circuit, by remotely controlling
Terminal controls the start and stop of pump motor by ZigBee coordinator gateway and the first ZigBee module.
ZigBee coordinator gateway includes microprocessor and the second ZigBee module, microprocessor and the second ZigBee module
Connection, microprocessor and remote control terminal communicate to connect.First ZigBee of the second ZigBee module and all water supplying units
Module wireless communication connection, receives the pump capacity data and pressure data that the first ZigBee module is sent, and ZigBee coordinates
After the data on flows received and pressure data are compared device gateway with the flow value of setting and pressure value, signal will be controlled
It is sent to the first ZigBee module, the long-range water supplying unit that controls operates in suitable state.
ZigBee coordinator gateway includes Ethernet interface and mobile communication module.Microprocessor by Ethernet interface and Ethernet with
Middle control Platform communication connection, is connected by mobile communication module and mobile communications network and server and mobile client wireless communication
It connects.
When water supplying unit switchs to power frequency operation by converting operation, the first ZigBee module of water supplying unit is transferred to suspend mode shape
State.When the microprocessor monitors of ZigBee coordinator gateway to system hydraulic pressure are not up to prescribed requirement, pass through the 2nd ZigBee
Module sends the first ZigBee module of wake-up command to corresponding water supplying unit, and corresponding water supplying unit switchs to frequency conversion by power frequency operation
Operation.
The present invention is described in further detail with reference to the accompanying drawings and examples.
The constant pressure water supply system of the embodiment of the present invention is as shown in Figure 1 to Figure 3, and system includes coordinator node, multiple
Water supplying unit (terminal node containing ZigBee) and remote control terminal.The overall structure block diagram of constant pressure water supply system such as attached drawing
Shown in 1, ZigBee coordinator node includes power supply module, CC2530 module II and ARM terminal composition, ZigBee association
It adjusts and sets up a zonal wireless sensing between device node and all ZigBee terminal nodes being installed on frequency converter
Device network receives and acquires the water pump output flow and pressure information sended over, ARM terminal from all ZigBee terminal nodes
After pressure set by the pressure received and system is compared, the control signal for meeting live actual requirement is passed through
CC2530 module II is sent to each ZigBee terminal node, remotely to control each water pump operation in suitable state.
CC2530 module II enhances circuit by CC2530 chip and the power connecting with the CC2530 chip, and enhances with power
The impedance matching circuit of circuit connection is formed with the whip antenna connected by impedance matching circuit.
ZigBee terminal node includes the pressure sensor of a CC2530 module I and detection water pump output hydraulic pressure,
CC2530 module I is installed on frequency converter, and is exported an external AC-DC module by frequency converter and provided power supply for it.
CC2530 module I is responsible for receiving the control signal sended over by CC2530 module II, controls the output of frequency converter, reaches reasonable
Using the purpose of water pump, while real-time collected water pump operation status information is also sent to CC2530 mould by CC2530 module I
Block II carries out long-range and Real time displaying by controlling platform and mobile client in ARM terminal and long-range administrative department.
Remote control terminal includes that platform and mobile phone mobile client are controlled in administrative department, can be real-time by controlling terminal
It checks the operating status of each water pump, and the mesh of reasonable employment water pump can be reached by remotely controlling the output of frequency converter
's.It is attached respectively by 3G/4G network and Internet network between ZigBee coordinator gateway and remote control terminal.
Involved by the embodiment of the present invention by the wireless sensor network of ZigBee communication protocol realization have self-organizing,
The technical advantages such as fast, high fault tolerance are disposed, are very suitable for being used in city water pump location with distribution dispersion, running environment complexity
The characteristics of.ZigBee communication module is all made of 2.4GHz carrier frequency and frequency direct expansion technology, and can work in the mould of power adjustable
Under formula, which passes through energy saving program and carries out electric energy management, achievees the purpose that power saving, energy-efficient.Secondly, the present invention uses one
The new information collecting method of kind reduces communication energy consumption, when guaranteeing that information collection node is long in the case where limited energy as far as possible
Between non-maintaining operation.
System uses the operating mode of circulation variable frequency pump, can carry out mutual rotation, synchronization between different variable frequency pumps
At most only a pump can be used as variable frequency pump use, and other pumps all work in power frequency state.Corresponding pump uses variable frequency starting,
When being unsatisfactory for switchable pump condition, which is adjusted as the variable of entire constant pressure water supply system
Water pump is run by Frequency Converter Control and according to the actual pressure of the collected system of ZigBee terminal node, automatic to adjust
The output of the pump is saved, to maintain the constant of system pressure；When reaching switching condition, motor the setting according to switching mode of the pump
It is fixed, it is switched to power frequency operation or out of service, its start and stop is controlled by corresponding relay module.Relay module is by remotely controlling
Terminal processed can control its start and stop.Simultaneously when meeting plus-minus pump condition, currently running variable frequency pump switches to power frequency operation, newly opens
Water pump started using conversion system, corresponding ZigBee terminal node enters the state for sending and receiving data.
The data acquisition of ZigBee terminal node has four kinds of transmission, reception, acquisition, suspend mode states, identical in supply voltage
In the case where, power consumption is to send, receive, acquiring, suspend mode from high to low.When variable frequency pump switchs to power frequency operation by converting operation,
It is installed on the ZigBee terminal node on frequency converter at this time and is transferred to dormant state at once, when ARM terminal monitoring to hydraulic pressure does not reach
When to prescribed requirement, ZigBee coordinator node will be passed through and send wake-up command to corresponding terminal node, water pump operation shape
State switchs to frequency conversion by power frequency.
The constant pressure water supply system based on ZigBee technology that above embodiments of the present invention propose can remotely be become
The mutual switching of frequency pump work mode achievees the purpose that constant pressure water supply by the output of remote terminal equipment control frequency converter,
The working efficiency of water pump is greatly improved, the burden of field personnel is alleviated.Above embodiments of the present invention pass through
ZigBee wireless sensor network technology can make the switching of pump working mode more convenient, it is ensured that each water pump in system
Suitable state is all operated in, it can be in long-range administrative department's controlling terminal in real time additionally by ZigBee wireless sensor network
It checks the operation working condition of each water pump, and can be carried out real-time control, when operation troubles occurs for system, facilitate work people
Member carries out malfunction elimination.
Claims (5)
1. a kind of constant pressure water supply system, including water supply network, control system and a plurality of water supplying units, water supplying unit include
The frequency converter of water pump and driving water pump, the water pump of a plurality of water supplying units are attempted by water supply network, which is characterized in that are supplied water single
Member includes flow sensor, pressure sensor and the first ZigBee module；Flow sensor and pressure sensor are mounted on water pump
Water outlet, the output end of flow sensor and the output end of pressure sensor connect the first ZigBee module respectively, first
The first control signal output termination frequency converter of ZigBee module；Control system includes remote control terminal and ZigBee coordinator
Gateway, ZigBee coordinator gateway include microprocessor and the second ZigBee module, microprocessor and the second ZigBee module and
Remote control terminal communication connection；Second ZigBee module and the first ZigBee module of all water supplying units, which wirelessly communicate, to be connected
It connects, the pump capacity data and pressure data, ZigBee coordinator gateway that the first ZigBee module of reception is sent will receive
Data on flows and after pressure data is compared with the flow value of setting and pressure value, send control signals to first
ZigBee module, the long-range water supplying unit that controls operate in suitable state.
2. constant pressure water supply system according to claim 1, which is characterized in that remote control terminal includes long-range pipe
Middle control platform, server and the mobile client of reason department, ZigBee coordinator gateway includes Ethernet interface and mobile communication module；
Microprocessor is connect by Ethernet interface and Ethernet with middle control Platform communication, by mobile communication module and mobile communications network and
Server and mobile client wireless communication connection.
3. constant pressure water supply system according to claim 1, which is characterized in that water supplying unit includes relay and relay
Device driving circuit, pump motor connect frequency converter by relay contact；The control of relay drive circuit terminates the first ZigBee
The second control signal output end of module passes through ZigBee coordinator gateway and the first ZigBee module control by remote control terminal
The start and stop of pump motor processed.
4. constant pressure water supply system according to claim 1, which is characterized in that when water supplying unit is switched to by converting operation
When power frequency operation, the first ZigBee module of water supplying unit is transferred to dormant state；When the microprocessor of ZigBee coordinator gateway
When the system hydraulic pressure of monitoring is not up to prescribed requirement, wake-up command is sent to corresponding water supplying unit by the second ZigBee module
First ZigBee module, corresponding water supplying unit switch to converting operation by power frequency operation.
5. constant pressure water supply system according to claim 1, which is characterized in that the first ZigBee module is installed on frequency conversion
On device, and an external AC-DC module is exported by frequency converter and provides power supply for it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101655.0A CN109797811A (en) | 2019-01-30 | 2019-01-30 | A kind of constant pressure water supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101655.0A CN109797811A (en) | 2019-01-30 | 2019-01-30 | A kind of constant pressure water supply system |
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| CN109797811A true CN109797811A (en) | 2019-05-24 |
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| CN201910101655.0A Pending CN109797811A (en) | 2019-01-30 | 2019-01-30 | A kind of constant pressure water supply system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112288106A (en) * | 2020-11-03 | 2021-01-29 | 江苏威迩恒机电科技有限公司 | Automatic pressure control system of bag type pressure tank |
| CN113325794A (en) * | 2021-05-27 | 2021-08-31 | 三峡电力职业学院 | Remote variable frequency control system based on PLC |
| CN113780972A (en) * | 2021-08-04 | 2021-12-10 | 广州云硕科技发展有限公司 | Integrated management method and system for intelligent park |
| CN113863443A (en) * | 2021-10-22 | 2021-12-31 | 浙江南方智慧水务有限公司 | Secondary water supply equipment with emergent manual frequency conversion function |
| CN113931830A (en) * | 2021-11-12 | 2022-01-14 | 华能伊敏煤电有限责任公司 | Combined type variable frequency control system and method for open-pit coal mine open-drainage system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112288106A (en) * | 2020-11-03 | 2021-01-29 | 江苏威迩恒机电科技有限公司 | Automatic pressure control system of bag type pressure tank |
| CN113325794A (en) * | 2021-05-27 | 2021-08-31 | 三峡电力职业学院 | Remote variable frequency control system based on PLC |
| CN113780972A (en) * | 2021-08-04 | 2021-12-10 | 广州云硕科技发展有限公司 | Integrated management method and system for intelligent park |
| CN113780972B (en) * | 2021-08-04 | 2022-08-02 | 广州云硕科技发展有限公司 | Integrated management method and system for intelligent park |
| CN113863443A (en) * | 2021-10-22 | 2021-12-31 | 浙江南方智慧水务有限公司 | Secondary water supply equipment with emergent manual frequency conversion function |
| CN113931830A (en) * | 2021-11-12 | 2022-01-14 | 华能伊敏煤电有限责任公司 | Combined type variable frequency control system and method for open-pit coal mine open-drainage system |
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Effective date of registration: 20220728 Address after: 518000 3F, kumak building, Dongzhou community, Guangming Street, Guangming District, Shenzhen, Guangdong Applicant after: Shenzhen kumak Technology Co.,Ltd. Address before: 518000 706, North block, Tairan Cangsong building, Tairan 6th Road, Shatou street, Futian District, Shenzhen City, Guangdong Province Applicant before: Shenzhen Cumark New Technology Co.,Ltd. |
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Application publication date: 20190524 |