CN206635866U - A kind of pressure-stabilizing water supply system - Google Patents
A kind of pressure-stabilizing water supply system Download PDFInfo
- Publication number
- CN206635866U CN206635866U CN201720271340.7U CN201720271340U CN206635866U CN 206635866 U CN206635866 U CN 206635866U CN 201720271340 U CN201720271340 U CN 201720271340U CN 206635866 U CN206635866 U CN 206635866U
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- CN
- China
- Prior art keywords
- water
- supply
- water pump
- pressure
- frequency converter
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of pressure-stabilizing water supply system, is related to supply equipment field, including：Controller, multiple pressure sensors, more frequency converters and Duo Tai supply-water pumps, the controller electrically connects with the multiple pressure sensor and the multiple frequency converter respectively, the frequency converter and supply-water pump electrical connection, the water inlet of the supply-water pump connects with back with water inlet line, and the delivery port of the supply-water pump connects with water outlet pipeline；Wherein, the corresponding supply-water pump of every frequency converter.Using above-mentioned technical proposal, due to using supply-water pump and frequency converter 1:1 ratio setting, and each frequency converter is controlled by using controller, maximum Precise control supplies water so that when no matter water outlet can keep constant, protect supply equipment and lifting Consumer's Experience.
Description
Technical field
Supply equipment field is the utility model is related to, more particularly to a kind of pressure-stabilizing water supply system.
Background technology
Water system is an indispensable important ring in national product life.Traditional water supply mode floor space is big, water
Matter easily pollutes, and capital expenditure is more, and most important shortcoming is hydraulic pressure can not keep constant, causes equipment component can not normal work
Make, particularly in water supply industry, it is impossible to which accurate control stable water pressure is then easy to cause supply equipment along bad, to have a strong impact on confession
The progress of water.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of pressure-stabilizing water supply system, and solving in the prior art can not essence
The problem of close control stable water pressure.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：
A kind of pressure-stabilizing water supply system, including：Controller, multiple pressure sensors, more frequency converters and Duo Tai supply-water pumps, institute
State controller to electrically connect with the multiple pressure sensor and the multiple frequency converter respectively, the frequency converter and the supply-water pump
Electrical connection, the water inlet of the supply-water pump connect with back with water inlet line, and the delivery port of the supply-water pump connects with water outlet pipeline；Its
In, the corresponding supply-water pump of every frequency converter.
Wherein, the pressure sensor includes intake pressure sensor and discharge pressure sensor, and the intake pressure passes
Sensor is arranged in the back with water inlet line, and the discharge pressure sensor is arranged on the water outlet pipeline.
Wherein, the quantity of the frequency converter is at least 2, and the quantity of the supply-water pump is at least two, the more confessions
It is homogeneous intercommunicated between pump outlet, it is homogeneous intercommunicated between the supply-water pump water inlet.
Specifically, the delivery port of the supply-water pump is connected with water mixing valve, the water inlet of the supply-water pump is connected with shunt valve.
Wherein, the controller is PLC.
Specifically, it is additionally provided with protection switch and relay in the PLC.
Wherein, outlet valve is provided with the delivery port of every supply-water pump, in the water inlet of every supply-water pump
On be provided with water intaking valve.
Specifically, the outlet valve and the water intaking valve are electric control valve, the outlet valve and the water intaking valve with
The controller electrical connection.
Using above-mentioned technical proposal, due to using supply-water pump and frequency converter 1:1 ratio setting, and by using controller
Each frequency converter is controlled, maximum Precise control supplies water so that when no matter water outlet can
Keep constant, protect supply equipment and lifting Consumer's Experience.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model pressure-stabilizing water supply system.
In figure, 1-PLC controllers, 2- intake pressure sensors, 3- discharge pressure sensors, 4- frequency converters, 41- first becomes
Frequency device, the frequency converters of 42- second, the frequency converters of 43- the 3rd, 5- supply-water pumps, the supply-water pumps of 51- first, the supply-water pumps of 52- second, 53- the 3rd
Supply-water pump, the automatically controlled water intaking valves of 6-, 7- electric control outlet valves.
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.Herein it should be noted that
It is used to help understand the utility model for the explanation of these embodiments, but does not form to restriction of the present utility model.This
Outside, as long as technical characteristic involved in each embodiment of the utility model disclosed below does not form conflict each other
Can is mutually combined.
As first embodiment of the present utility model, a kind of pressure-stabilizing water supply system is proposed, as shown in figure 1, including：PLC is controlled
Device 1 (programmable controller), intake pressure sensor 2, discharge pressure sensor 3 and three frequency converters 4 processed and three water supply
Pump 5, PLC 1 electrically connect with intake pressure sensor 2, discharge pressure sensor 3 and three frequency converters 4 respectively, and first becomes
Frequency device 41 electrically connects with the first supply-water pump 51, and the second frequency converter 42 electrically connects with the second supply-water pump 52, the 3rd frequency converter 43 and
Three supply-water pumps 53 electrically connect.The delivery port of three supply-water pumps 5 connects outlet pipe respectively, and three outlet pipes are by water mixing valve (in figure
Be not shown) be connected to water outlet main pipe line, discharge pressure sensor 3 be arranged on water mixing valve (not shown) and water outlet main pipe line it
Between；The water inlet of three supply-water pumps 5 connects water inlet pipe respectively, and three water inlet pipes are led by shunt valve (not shown) and water inlet
Pipeline is connected, and intake pressure sensor 2 is arranged between shunt valve (not shown) and water inlet Trunk Line.In supply-water pump 5
Automatically controlled water intaking valve 6 is provided with water inlet, electric control outlet valve 7, automatically controlled water intaking valve and electric control outlet are provided with its delivery port
Also PLC 1 electrically connects valve.
In order to ensure the reliable and secure operation of system, administrative staff's running situation is prompted in time, in PLC 1 also
It is provided with protection switch and relay.
Intake pressure sensor 2 and discharge pressure sensor 3 are used to detect the actual hydraulic pressure in pipe network, and hydraulic pressure is converted into
4~20mA electric current either 0~10V voltage signal, feeds back in PLC 1 and frequency converter 4 and does at signal analysis
Reason.
PLC 1 is used as microcomputer controller, is fed back by advance program composition combination pressure sensor signal, and
When analyze and control whole system to run, and PC pair can be utilized at any time according to actual user's service condition, technical requirements
Program makes corresponding amendment or change.
Frequency converter 4 is the direct control device of pump motor, can be according to the stable hydraulic pressure of user's request target by 0~50Hz's
Frequency signal supplies pump motor, adjusts its rotating speed.Frequency converter it is powerful, inside preset accurate parameters collection, will make
The number of parameters set needed for process is reduced to minimum, and the default value of parameter sets different value according to the selection of application macro.
Inside is controlled using the operation method of PID control, carries out closed-loop control.When frequency converter is according to voltage stabilizing corresponding voltage setting value with from
The fed-back current signals that pressure sensor obtains, are automatically adjusted using pid control algorithm, reacted rapidly in real time, change frequency
Rate output valve adjusts controlled pump motor rotating speed, to ensure that pipe network water pressure is stable.
Using above-mentioned technical proposal, due to using supply-water pump and frequency converter 1:1 ratio setting, and by using controller
Each frequency converter is controlled, maximum Precise control supplies water so that when no matter water outlet can
Keep constant, protect supply equipment and lifting Consumer's Experience.
It is also equipped with advantages below simultaneously：
1st, stable water pressure is held, ensures production and living water demand.
2nd, control system can manually, automatically switch operation, the system of realization can be in unattended lower reliability service.
3rd, more pumps, which automatically switch, runs, to greatest extent using electricity wisely load.
4th, system sleep and wake-up, when extraneous stopping water, system is in sleep state, until when having water demand certainly
It is dynamic to wake up.
5th, on-line tuning systematic parameter, maintains easily human users' pump group and route protection real-time detection alarming, signal show
Show.
Embodiment of the present utility model is explained in detail above in association with accompanying drawing, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, it is right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall within the scope of protection of the utility model.
Claims (8)
- A kind of 1. pressure-stabilizing water supply system, it is characterised in that including：Controller, multiple pressure sensors, more frequency converters and Duo Tai Supply-water pump, the controller electrically connect with the multiple pressure sensor and the multiple frequency converter respectively, the frequency converter and The supply-water pump electrical connection, the water inlet of the supply-water pump connect with back with water inlet line, the delivery port and outlet pipe of the supply-water pump Line connects；Wherein, the corresponding supply-water pump of every frequency converter.
- 2. pressure-stabilizing water supply system according to claim 1, it is characterised in that：The pressure sensor passes including intake pressure Sensor and discharge pressure sensor, the intake pressure sensor are arranged in the back with water inlet line, the discharge pressure sensing Device is arranged on the water outlet pipeline.
- 3. pressure-stabilizing water supply system according to claim 1, it is characterised in that：The quantity of the frequency converter is at least 2, institute The quantity for stating supply-water pump is at least two, homogeneous intercommunicated, the supply-water pump water inlet between the more supply-water pump delivery ports Between it is homogeneous intercommunicated.
- 4. pressure-stabilizing water supply system according to claim 3, it is characterised in that：The delivery port of the supply-water pump is connected with mixed water Valve, the water inlet of the supply-water pump are connected with shunt valve.
- 5. pressure-stabilizing water supply system according to claim 1, it is characterised in that：The controller is PLC.
- 6. pressure-stabilizing water supply system according to claim 5, it is characterised in that：Also set in the PLC It is equipped with protection switch and relay.
- 7. pressure-stabilizing water supply system according to claim 1, it is characterised in that：Set on the delivery port of every supply-water pump Outlet valve is equipped with, water intaking valve is provided with the water inlet of every supply-water pump.
- 8. pressure-stabilizing water supply system according to claim 7, it is characterised in that：The outlet valve and the water intaking valve are electricity Valve is controlled, the outlet valve and the water intaking valve electrically connect with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271340.7U CN206635866U (en) | 2017-03-20 | 2017-03-20 | A kind of pressure-stabilizing water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271340.7U CN206635866U (en) | 2017-03-20 | 2017-03-20 | A kind of pressure-stabilizing water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206635866U true CN206635866U (en) | 2017-11-14 |
Family
ID=60249040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720271340.7U Expired - Fee Related CN206635866U (en) | 2017-03-20 | 2017-03-20 | A kind of pressure-stabilizing water supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206635866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000929A (en) * | 2019-04-28 | 2019-07-12 | 南京大地水刀股份有限公司 | A kind of super high power extra high voltage system |
-
2017
- 2017-03-20 CN CN201720271340.7U patent/CN206635866U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000929A (en) * | 2019-04-28 | 2019-07-12 | 南京大地水刀股份有限公司 | A kind of super high power extra high voltage system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20171114 Termination date: 20210320 |