CN208533622U - A kind of constant pressure water supply device - Google Patents
A kind of constant pressure water supply device Download PDFInfo
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- CN208533622U CN208533622U CN201820922490.4U CN201820922490U CN208533622U CN 208533622 U CN208533622 U CN 208533622U CN 201820922490 U CN201820922490 U CN 201820922490U CN 208533622 U CN208533622 U CN 208533622U
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- pump
- water supply
- water
- plc controller
- pressure
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 230000006641 stabilisation Effects 0.000 claims abstract description 18
- 238000011105 stabilization Methods 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 239000008213 purified water Substances 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a kind of constant pressure water supply device, including current stabilization water tank, pump group, PLC controller and frequency converter, pump group includes parallel connection frequency conversion water supply branch, the converting operation of Frequency Converter Control variable frequency pump, pump group further includes the pressure-stabilizing water supply branch being in parallel with any variable frequency water supply branch, stabilized pressure pump is connected with PLC controller, the output power of stabilized pressure pump is less than the lowest frequency output power of variable frequency pump, the water outlet of pressure-stabilizing water supply branch is equipped with the circulation line of a connection current stabilization water tank, circulation line is equipped with water purifier and electric butterfly valve, electric butterfly valve is connected with PLC controller.The utility model uses the stabilized pressure pump branch that can be used in the smaller situation of pressure release amount, is avoided that the fallback of high-power frequency conversion pump, reduces energy loss.By forming purified water circulation between stabilized pressure pump branch and current stabilization water tank, the clean level being able to maintain in current stabilization water tank reduces the artificial clean frequency, it is ensured that the safety of water supply.Easy to implement and popularization and application.
Description
Technical field
The utility model relates to a kind of water system more particularly to a kind of constant pressure water supply dresses applied to water system
It sets, belongs to the technical field of frequency-changing pressure stabilizing equipment.
Background technique
Constant pressure water supply system for setup parameter, passes through computer controlled variable with pipe network water pressure (or user's water flow)
The output frequency of frequency device realizes that the closed loop of pipe network water pressure adjusts (PID), makes to supply water to automatically adjust the revolving speed of pump motor
System automatic constant is surely in the pressure value of setting: when i.e. water consumption increases, frequency is increased, and pump rotary speed is accelerated, and water supply accordingly increases
Greatly；When water consumption is reduced, frequency is reduced, and pump rotary speed slows down, and water supply also accordingly reduces, and ensures that water application efficiency is used in this way
Requirement of the family to hydraulic pressure and water, while having achieved the purpose that improve water supply quality and water application efficiency, " with how much water, for how much
Water "；It is not required to build high water tank using the equipment, water tower, water quality is without secondary pollution, is a kind of ideal modern architecture water supply
Equipment.
In the prior art, the powerful variable frequency pump of multiple groups can be generally used, minimum frequency modulation power is still larger, works as water supply
In the case that networking water is less and pressure release amount is small, high-power frequency conversion pump is in fallback state, causes unnecessary electricity
The loss of energy, and have an impact to the service life of variable frequency pump.
Utility model content
The purpose of this utility model is to solve the problem of that above-mentioned the deficiencies in the prior art are pumped for high-power frequency conversion, is proposed
A kind of constant pressure water supply device.
In order to achieve the above object, the technology employed by the present utility model is
A kind of constant pressure water supply device, including current stabilization water tank, pump group, PLC controller and frequency converter, the pump group go out
Water end (W.E.) is equipped with pressure transmitter, and the pump group includes several variable frequency water supply branches equipped with variable frequency pump in parallel, the PLC control
Device is mutually electrically connected with pressure transmitter, frequency converter respectively, the converting operation of the Frequency Converter Control variable frequency pump,
The pump group further includes the pressure-stabilizing water supply branch equipped with stabilized pressure pump being in parallel with any variable frequency water supply branch,
The stabilized pressure pump is connected with the PLC controller, and the output power of the stabilized pressure pump is less than the lowest frequency of the variable frequency pump
Output power,
The water outlet of the pressure-stabilizing water supply branch is equipped with the circulation line of a connection current stabilization water tank, the circulation line
It is equipped with water purifier and electric butterfly valve, the electric butterfly valve is connected with the PLC controller.
Preferably, the water outlet of the pump group is equipped with steady-flow tank.
Preferably, the steady-flow tank includes at least diaphragm type steady-flow tank and bellows steady-flow tank.
Preferably, the water outlet of the pump group is equipped with water quality detection mechanism, and the water quality detection mechanism and the PLC are controlled
Device is connected.
Preferably, the PLC controller is equipped with wireless communication module, and the PLC controller passes through the wireless telecommunications
Module is communicated with remote server and is connect.
Preferably, the variable frequency pump is equipped with thermal overload relay, the thermal overload relay and the PLC controller phase
Even.
The beneficial effects of the utility model are mainly reflected in:
1. using the stabilized pressure pump branch that can be used in the smaller situation of pressure release amount, it is avoided that the low of high-power frequency conversion pump
Efficiency operation, reduces energy loss.
2. by forming purified water circulation, the clean journey being able to maintain in current stabilization water tank between stabilized pressure pump branch and current stabilization water tank
Degree reduces the artificial clean frequency, it is ensured that the safety of water supply.
3. easy to implement and popularization and application.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of constant pressure water supply device of the utility model.
Specific embodiment
The utility model provides a kind of constant pressure water supply device.Below in conjunction with attached drawing to technical solutions of the utility model into
Row detailed description, so that it is more readily understood and grasps.
A kind of constant pressure water supply device, as shown in Figure 1, including current stabilization water tank 1, pump group 2, PLC controller 3 and frequency converter
4, the water outlet of pump group 2 is equipped with pressure transmitter 5, and pump group 2 includes several variable frequency water supply branches 6 equipped with variable frequency pump in parallel,
PLC controller 3 is electrically connected with pressure transmitter 5,4 phase of frequency converter respectively, and frequency converter 4 controls the converting operation of variable frequency pump.
Preset pressure is set by PLC controller 3, frequency modulation number is calculated by the water supply network pressure that monitors
According to being responded by frequency converter 4, to control the frequency modulation of variable frequency pump, the above control belongs to the prior art, and details are not described herein.
The pump group 2 of this case further includes the pressure-stabilizing water supply equipped with stabilized pressure pump being in parallel with any variable frequency water supply branch 6
Branch 7, stabilized pressure pump are connected with PLC controller 3, and the output power of stabilized pressure pump is less than the lowest frequency output power of variable frequency pump.
It specifically describes, in the lesser situation of water supply network management pressure release amount, far below the lowest frequency output power of variable frequency pump
Increment when, PLC controller 3 stops the output of whole variable frequency pumps by frequency converter 4, and starts stabilized pressure pump, is designed in this way energy
It is effectively prevent the fallback of variable frequency pump, the demand of the lower pressure release amount of water supply network is able to satisfy using stabilized pressure pump.
In addition, the water outlet of pressure-stabilizing water supply branch 7 is equipped with the circulation line 8 of a connection current stabilization water tank 1, on circulation line 8
Equipped with water purifier 9 and electric butterfly valve 10, electric butterfly valve 10 is connected with PLC controller 3.
It specifically describes, it is well known that current stabilization water tank 1 is a kind of water storage container of large size, and long-term storage will lead to inside
There is pollutant, secondary pollution can be generated to water supply, and frequently manually clean unrealistic, this case passes through the circulation line added
8 realize to the cleaning of the circulating filtration of current stabilization water tank 1.
It should be noted that the output power of variable frequency water supply branch 6 is larger, the demand and supply of partial circulating can not be adapted to, because
This can provide more appropriate output power by pressure-stabilizing water supply branch 7, meet the circulation demand to current stabilization water tank 1.
In one embodiment of this case, the water outlet of pump group 2 is equipped with steady-flow tank 11.It is steady that steady-flow tank 11 includes at least diaphragm type
Flow tank and bellows steady-flow tank.By 11 energy compensator or trimmer pressure fluctuation of steady-flow tank and peak clipping energy storage can be played the role of.
In one preferred embodiment of this case, the water outlet of pump group 2 is equipped with water quality detection mechanism 12, water quality detection mechanism 12
It is connected with PLC controller 3, the water quality condition of water supply can be detected by water quality detection mechanism 12, when there is secondary pollution more
When serious, variable frequency pump can be closed by the control of PLC controller 3, open stabilized pressure pump and electric butterfly valve 10, realize to current stabilization water tank 1
Circulating purification cleaning.
This case is advanced optimized, PLC controller 3 is equipped with wireless communication module 13, and PLC controller 3 passes through channel radio
News module 13 is communicated with remote server 14 to be connect.Pass through the setting of wireless communication module 13, convenient and remote server 14
Connection is built, the operating status to water supply device can be monitored in real time by remote server 14.
Finally, variable frequency pump is equipped with thermal overload relay, thermal overload relay is connected with PLC controller 3, passes through thermal overload
Relay can monitor the operating status of variable frequency pump, and providing overheating protection can prevent variable frequency pump from crossing cause thermal damage.
By above description it can be found that a kind of constant pressure water supply device of the utility model, using can be in pressure release
The stabilized pressure pump branch used in smaller situation is measured, the fallback of high-power frequency conversion pump is avoided that, reduces energy loss.It is logical
It crosses between stabilized pressure pump branch and current stabilization water tank and forms purified water circulation, the clean level being able to maintain in current stabilization water tank reduces people
The clean frequency of work, it is ensured that the safety of water supply.Easy to implement and popularization and application.
The technical solution of the utility model is fully described above, it should be noted that the tool of the utility model
Body embodiment is simultaneously not limited by the description set out above, and those skilled in the art exist according to the Spirit Essence of the utility model
All technical solutions that structure, method or function etc. are formed using equivalents or equivalent transformation, all fall within this reality
Within novel protection scope.
Claims (6)
1. a kind of constant pressure water supply device, including current stabilization water tank, pump group, PLC controller and frequency converter, the water outlet of the pump group
End is equipped with pressure transmitter, and the pump group includes several variable frequency water supply branches equipped with variable frequency pump in parallel, the PLC controller
It is mutually electrically connected with pressure transmitter, frequency converter respectively, the converting operation of the Frequency Converter Control variable frequency pump,
It is characterized by:
The pump group further includes the pressure-stabilizing water supply branch equipped with stabilized pressure pump being in parallel with any variable frequency water supply branch, described
Stabilized pressure pump is connected with the PLC controller, and the output power of the stabilized pressure pump is less than the lowest frequency output of the variable frequency pump
Power,
The water outlet of the pressure-stabilizing water supply branch is equipped with the circulation line of a connection current stabilization water tank, sets on the circulation line
There are water purifier and electric butterfly valve, the electric butterfly valve is connected with the PLC controller.
2. a kind of constant pressure water supply device according to claim 1, it is characterised in that: the water outlet of the pump group is equipped with
Steady-flow tank.
3. a kind of constant pressure water supply device according to claim 2, it is characterised in that: the steady-flow tank include at least every
Membrane type steady-flow tank and bellows steady-flow tank.
4. a kind of constant pressure water supply device according to claim 1, it is characterised in that: the water outlet of the pump group is equipped with
Water quality detection mechanism, the water quality detection mechanism are connected with the PLC controller.
5. a kind of constant pressure water supply device according to claim 1, it is characterised in that: the PLC controller is equipped with
Wireless communication module, the PLC controller are communicated with remote server by the wireless communication module and are connect.
6. a kind of constant pressure water supply device according to claim 1, it is characterised in that: the variable frequency pump is equipped with hot mistake
Relay is carried, the thermal overload relay is connected with the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820922490.4U CN208533622U (en) | 2018-06-14 | 2018-06-14 | A kind of constant pressure water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820922490.4U CN208533622U (en) | 2018-06-14 | 2018-06-14 | A kind of constant pressure water supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208533622U true CN208533622U (en) | 2019-02-22 |
Family
ID=65391258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820922490.4U Active CN208533622U (en) | 2018-06-14 | 2018-06-14 | A kind of constant pressure water supply device |
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| Country | Link |
|---|---|
| CN (1) | CN208533622U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791782A (en) * | 2019-11-28 | 2020-02-14 | 九江德福科技股份有限公司 | Constant-pressure-controlled automatic variable-frequency liquid supply system |
| CN111173072A (en) * | 2020-03-20 | 2020-05-19 | 轩春青 | Urban water supply system and method based on big data |
-
2018
- 2018-06-14 CN CN201820922490.4U patent/CN208533622U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791782A (en) * | 2019-11-28 | 2020-02-14 | 九江德福科技股份有限公司 | Constant-pressure-controlled automatic variable-frequency liquid supply system |
| CN111173072A (en) * | 2020-03-20 | 2020-05-19 | 轩春青 | Urban water supply system and method based on big data |
| CN111173072B (en) * | 2020-03-20 | 2021-11-02 | 郑州商学院 | Urban water supply system and method based on big data |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 1203, Building 1, Yijian River Cultural and Creative Industry Park, No. 333 Sufu Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province, 215100 Patentee after: Suzhou Su Pump Water Technology Co.,Ltd. Address before: No. 8 Lingshan Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province, 215100 Patentee before: SUZHOU SUBENG WATER BUSINESS ENGINEERING INSTALLATION Co.,Ltd. |
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| CP03 | Change of name, title or address |