CN206157805U - Be applied to low discharge energy -saving control ware of secondary water supply equipment - Google Patents
Be applied to low discharge energy -saving control ware of secondary water supply equipment Download PDFInfo
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- CN206157805U CN206157805U CN201621055319.5U CN201621055319U CN206157805U CN 206157805 U CN206157805 U CN 206157805U CN 201621055319 U CN201621055319 U CN 201621055319U CN 206157805 U CN206157805 U CN 206157805U
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- water
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- water outlet
- low discharge
- diaphragm
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B5/00—Use of pumping plants or installations; Layouts thereof
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Reciprocating Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model provides a be applied to low discharge energy -saving control ware of secondary water supply equipment, include: check valve k2, relief pressure valve k1, motorised valve k3 and the 2nd pressure sensor k4, check valve k2 sets up and pumps intaking between the end of water side and diaphragm type atmospheric pressure jar in the assistance of booster pump array play water end (W. E. ) to orientation and intercommunication towards diaphragm type atmospheric pressure jar, relief pressure valve k1 sets up between the play water end (W. E. ) and service pipe of diaphragm type atmospheric pressure jar, motorised valve k3 sets up between the play water end (W. E. ) and service pipe of assisting the pump, when assisting the pump with first water water pressure play water, this motorised valve k3 open, when assisting the pump with second play water water pressure play water, this motorised valve k3 close, the atmospheric pressure that the 2nd pressure sensor k4 detected in the diaphragm type atmospheric pressure jar increases when going out water water pressure to the second, assist the pump dormancy.
Description
Technical field
The utility model is related to a kind of method of supplying water and supply equipment.
Background technology
General supply equipment Introduction on Principle is as shown in Figure 1：Equipment detects outlet pressure by second pressure sensor 2, will
Detecting value and setting value are compared, and calculate the pressure for needing to increase on original pressure-based of import pipe network, it is determined that increasing
Press pump puts into platform tricks and frequency converter output frequency and realizes constant pressure water supply with discharge pressure curve to chase after patch user.By flow
Sensor 3 detects user's discharge, and when the flow that user needs is in the range of the auxiliary pump metered flow of low discharge, system is by little
The auxiliary pump operation constant pressure water supply of flow.The supercharging pump operation starting stage, system to user supplies water while also to diaphragm-type air-compressed tank 1
Energy (moisturizing accumulation of energy) is supplemented until gas pressure is equal to system constant-pressure pressure in diaphragm-type air-compressed tank 1.By flow sensor 3
Detecting water consumption, the work of low discharge termination of pumping dormancy is automatically switched to when water consumption less than the specified water supply flow of auxiliary pump 10%
State, the wholly off operation of booster pump, into dormancy, changes and maintains the limited drop of low discharge by the diaphragm-type air-compressed tank 1 through accumulation of energy
Pressure supplies water.As low 1bar of pipe network water supply pressure ratio set value or so, system is waken up and exits dormancy, is supplied by booster pump constant pressure
Water.So circulation meets the requirement of user's pressure and flow.
Diaphragm-type air-compressed tank 1-be made up of the part such as tank body, barrier film, water inlet and porting.Tank is divided into by barrier film
Lower two chambers, cavity of resorption retaining, epicoele preliminary filling slightly below wakes up the inert gas of pressure.Accumulation of energy storage can be served in water system
Water is acted on, and when the extraneous water higher than Preliminary pressure-filled enters air pressure tank cavity of resorption, the gas for being sealed in epicoele in tank is compressed, according to
Boyle's law：Under quantitative constant temperature, the volume of perfect gas is inversely proportional to the pressure of gas, and volume becomes after gas is compressed
Little pressure rise, gas pressure is consistent with the pressure of water in air pressure tank and intakes equal to stopping during setting value.During dormancy, when
Gas pressure is more than the pressure of water in air pressure tank when water pressure lowers, and now gas expansion water is forced out.Until pipe network water supply pressure
(can set) during power 1bar lower than setting value or so, system is waken up and exits dormancy, by booster pump constant pressure water supply.
For same diaphragm-type air-compressed tank, the total measurement (volume) of the volume=diaphragm-type air-compressed tank of the volume+retaining of gas, mend
Hydraulic pressure is higher during water accumulation of energy, and the volume of gas is pressed less, then the volume of retaining is bigger, and the energy of savings is more, for
For the water yield for discharging is supplied water in limited step-down during dormancy, if the pressure that supply equipment wakes up is certain, the water yield of dormancy is maintained
More, the time of dormancy is longer.Dormancy time is long, then system reduces dormancy pump startup number of times and run time, reduces electricity
The consumption of energy.The above-mentioned consumption for reducing electric energy is realized, two key issues must be solved：One is water when improving accumulation of energy water storage
Pressure, two to be that the pressure of the water under high pressure in diaphragm-type air-compressed tank will be dropped to consistent with the constant pressure setting value of user's request.
Utility model content
Technical problem underlying to be solved in the utility model is to provide a kind of low discharge energy-saving controller, can increase every
The retention volume of membrane type air pressure tank, so as to extend the dormancy time of booster pump, reaches the purpose of energy saving.And the diaphragm type
The water outlet hydraulic pressure of air pressure tank can be reduced to the hydraulic pressure required for user.
In order to solve above-mentioned technical problem, the utility model provides a kind of low discharge for being applied to secondary water-supply equipment
Energy-saving controller, it is characterised in that include：Check-valves k2, pressure-reducing valve k1, motor-driven valve k3 and second pressure sensor k4；
The check-valves k2 is arranged on the auxiliary pump water outlet side of supercharging pumping array water side and the water inlet end of diaphragm-type air-compressed tank
Between, and towards diaphragm-type air-compressed tank direction and connect；The pressure-reducing valve k1 be arranged on the water side of diaphragm-type air-compressed tank with
Between service pipe；
The motor-driven valve k3 is arranged between the water side of auxiliary pump and service pipe；The auxiliary pump is gone out with the first water outlet hydraulic pressure
During water, motor-driven valve k3 is opened；The auxiliary pump is so that during the second water outlet hydraulic pressure water outlet, motor-driven valve k3 is closed；
When air pressure in the second pressure sensor k4 detections diaphragm-type air-compressed tank increases to setting value, the auxiliary pump is stopped
Sleep.
In a preferred embodiment：1.5-2 times up to the first water outlet hydraulic pressure of the second water outlet hydraulic pressure.
In a preferred embodiment：The supercharging pumping array includes the working barrel being connected in parallel and auxiliary pump.
In a preferred embodiment：Pressure sensor is additionally provided between the supercharging pumping array and service pipe and flow is passed
Sensor.
In a preferred embodiment：Water under high pressure in diaphragm-type air-compressed tank hydraulic pressure after pressure-reducing valve k1 is down to first
Water outlet hydraulic pressure
Compared to prior art, the technical solution of the utility model possesses following beneficial effect：
A kind of low discharge energy-saving controller that the utility model is provided, enables to the height that diaphragm-type air-compressed tank can be provided
Pressure dormancy water capacity is original several times.The flow for assuming user is in a balanced way, then the dormancy time of supercharging pumping array
It is original several times, the booster pump number of starts can be reduced, operational efficiency is very low in low discharge and startup because of booster pump, low discharge
Energy-saving controller shortens low discharge run time and reduces dormancy pump startup number of times, therefore significantly reduces equipment electric energy
Consume.Actual motion test shows that increasing low discharge energy-saving controller can make the overall efficiency of supply equipment improve more than 10%.
Decrease the noise produced during night frequent starting simultaneously.
Description of the drawings
Fig. 1 is the structure chart of secondary water-supply equipment in prior art；
Fig. 2 is the structure chart of secondary water-supply equipment in the utility model preferred embodiment.
Specific embodiment
The technical solution of the utility model is described further below in conjunction with accompanying drawing.
With reference to Fig. 2, a kind of secondary water-supply equipment, including：Supercharging pumping array, diaphragm-type air-compressed tank 1 and low discharge energy-conservation
Controller；In the present embodiment, the supercharging pumping array includes the working barrel being connected in parallel and auxiliary pump.
The low discharge energy-saving controller includes check-valves k1, pressure-reducing valve k2, motor-driven valve k3 and second pressure sensor k4；
The check-valves k1 is arranged between the water outlet side of auxiliary pump of supercharging pumping array water side and the water inlet end of diaphragm-type air-compressed tank 1,
And connect towards the direction of diaphragm-type air-compressed tank 1；The pressure-reducing valve k2 is arranged on the water side of diaphragm-type air-compressed tank 1 and user's water
Between pipe；
The motor-driven valve k3 is arranged between the water side of auxiliary pump and service pipe；The auxiliary pump is gone out with the first water outlet hydraulic pressure
During water, motor-driven valve k3 is opened；The auxiliary pump is so that during the second water outlet hydraulic pressure water outlet, motor-driven valve k3 is closed.The second pressure
Sensor k4 is used to detect the pressure value of diaphragm-type air-compressed tank 1.
First pressure sensor 2 and flow sensor 3 are additionally provided between the supercharging pumping array and service pipe.
The confession Water flow-path of above-mentioned secondary water-supply equipment is as described below：
1. the water flow pressure for flowing into service pipe is detected by first pressure sensor 2, detecting value and setting value are carried out
Relatively, the pressure for needing to increase on original pressure-based of import pipe network is calculated, it is determined that needing input in supercharging pumping array
The number of units and frequency converter output frequency (being reacted to booster pump for rotating speed) of pump, so as to realize that the water outlet for being pressurized pumping array chases after patch user
Realized carrying out constant pressure water supply with the first water outlet hydraulic pressure with discharge pressure curve.User's current are detected by flow sensor 3
Amount, in the auxiliary pump task period, auxiliary pump or working barrel and auxiliary parallel connection of pumps carry out constant pressure water outlet to service pipe with the first water outlet hydraulic pressure,
When user need flow in the range of auxiliary pump metered flow when, system by auxiliary pump operation the first water outlet hydraulic pressure constant pressure water supply,
Remaining booster pump is standby.
2. carried out with the first water outlet hydraulic pressure in booster pump the stage of constant pressure water supply, auxiliary pump to user supply water while also give every
The retaining of membrane type air pressure tank 1, until in diaphragm-type air-compressed tank 1 air pressure increase to it is identical with the first water outlet hydraulic pressure.
3. when the water consumption that flow sensor 3 is detected in service pipe is less than the 10% of the specified water supply flow of auxiliary pump
(as needed can also sets itself other ratios), control system closes motor-driven valve k3, subsequently, the auxiliary current for pumping out water end (W.E.) without
Method is flow in service pipe.Now, auxiliary pump rises to maximum operating frequency power frequency operation, and flow is little when being worked using centrifugal pump constant frequency
The then high curve characteristic of lift, it is possible to provide the water outlet of the second water outlet hydraulic pressure, because the second water outlet hydraulic pressure is about the first water outlet water
1.5-2 times of pressure, therefore the water of the second water outlet hydraulic pressure continues through the cavity of resorption that check-valves k1 streams enter diaphragm-type air-compressed tank 1, continues
Gas in compressed septum formula air pressure tank 1.Second is reached when pressure sensor k4 detects gas pressure in diaphragm-type air-compressed tank
During water outlet hydraulic pressure, auxiliary pump is also switched to termination of pumping resting state by system automatically.
4. now, the water in service pipe is supplied completely by diaphragm-type air-compressed tank 1.High pressure in diaphragm-type air-compressed tank 1
Water is decompressed to the first water outlet hydraulic pressure (title will with consistent before) by pressure-reducing valve k2, so as to realize the mesh of constant pressure water supply all the time
's.When the high pressure water in diaphragm-type air-compressed tank 1 is finished, the hydraulic pressure in service pipe begins to decline, when second pressure sensor 2
(other values equally can be separately set when detecting 1bar lower than setting value of the hydraulic pressure in service pipe or so), control system is called out
Wake up and exit dormancy, the first water outlet hydraulic pressure constant pressure water supply is recovered by supercharging pumping array, now motor-driven valve k3 is opened again.So follow
Ring meets requirement of the user to pressure and flow.
For same diaphragm-type air-compressed tank 1, after increasing low discharge energy-saving controller, the high pressure that can be provided during its dormancy
Power water capacity can reach more than 5 times of water capacity when not increasing low discharge energy-saving controller.For example：One 100 liters of total measurement (volume)
Diaphragm-type air-compressed tank, gas initial pressure 9bar, the first water outlet hydraulic pressure be 10bar, the first water outlet water after booster pump is in dormancy
It is waken up when pressure drop is to 9bar, calculates by Boyle's law P1V1=P2V2：To be carried when not increasing low discharge energy-saving controller
For dormancy water capacity be 10 liters；When increasing low discharge energy-saving controller, the second water outlet hydraulic pressure can reach 20bar, accordingly
Dormancy water capacity is increased to 55 liters, it is clear that after increasing low discharge energy-saving controller, the high pressure dormancy water capacity that can be provided
Product is original 5.5 times.The flow for assuming user is balanced, then the dormancy time of supercharging pumping array is original 5.5 times, can
Reduce supercharging pumping array to start 4.5 times, because of booster pump, in low discharge and startup, operational efficiency is very low, low discharge energy-saving controller
Shorten low discharge run time and reduce dormancy pump startup number of times, therefore significantly reduce the consumption of equipment electric energy.It is actual
Operation test shows that increasing low discharge energy-saving controller can make the overall efficiency of supply equipment improve more than 10%.Also subtract simultaneously
The noise produced during night frequent starting is lacked.
The utility model is not limited to aforesaid specific embodiment.Above-described embodiment should not be considered as limiting this practicality
New scope.Those skilled in the art can modify and become while aforementioned detailed description is read and understood
Change.Specific protection domain should be defined by claims.
Claims (5)
1. a kind of low discharge energy-saving controller for being applied to secondary water-supply equipment, it is characterised in that include：Check-valves k2, pressure-reducing valve
K1, motor-driven valve k3 and second pressure sensor k4；
The check-valves k2 is arranged between the auxiliary pump water outlet side of supercharging pumping array water side and the water inlet end of diaphragm-type air-compressed tank,
And towards diaphragm-type air-compressed tank direction and connect；The pressure-reducing valve k1 is arranged on the water side of diaphragm-type air-compressed tank and user's water
Between pipe；
The motor-driven valve k3 is arranged between the water side of auxiliary pump and service pipe；The auxiliary pump is with the first water outlet hydraulic pressure water outlet
When, motor-driven valve k3 is opened；The auxiliary pump is so that during the second water outlet hydraulic pressure water outlet, motor-driven valve k3 is closed；
When air pressure in the second pressure sensor k4 detections diaphragm-type air-compressed tank increases to setting value, the auxiliary pump dormancy.
2. a kind of low discharge energy-saving controller for being applied to secondary water-supply equipment according to claim 1, it is characterised in that：
1.5-2 times up to the first water outlet hydraulic pressure of the second water outlet hydraulic pressure.
3. a kind of low discharge energy-saving controller for being applied to secondary water-supply equipment according to claim 1, it is characterised in that：
The supercharging pumping array includes the working barrel being connected in parallel and auxiliary pump.
4. a kind of low discharge energy-saving controller for being applied to secondary water-supply equipment according to claim 1, it is characterised in that：
Pressure sensor and flow sensor are additionally provided between the supercharging pumping array and service pipe.
5. a kind of low discharge energy-saving controller for being applied to secondary water-supply equipment according to claim 4, it is characterised in that：
Water under high pressure in diaphragm-type air-compressed tank hydraulic pressure after pressure-reducing valve k1 is down to the first water outlet hydraulic pressure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621055319.5U CN206157805U (en) | 2016-09-14 | 2016-09-14 | Be applied to low discharge energy -saving control ware of secondary water supply equipment |
| DE202017004362.9U DE202017004362U1 (en) | 2016-09-14 | 2017-08-23 | Energy-saving low-flow control unit for a secondary water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621055319.5U CN206157805U (en) | 2016-09-14 | 2016-09-14 | Be applied to low discharge energy -saving control ware of secondary water supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206157805U true CN206157805U (en) | 2017-05-10 |
Family
ID=58651105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621055319.5U Active CN206157805U (en) | 2016-09-14 | 2016-09-14 | Be applied to low discharge energy -saving control ware of secondary water supply equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206157805U (en) |
| DE (1) | DE202017004362U1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638792A (en) * | 2016-09-14 | 2017-05-10 | 厦门海源泵业有限公司 | Small-flow energy-saving controller for secondary water supply equipment and secondary water supply method |
| CN110565735A (en) * | 2019-09-30 | 2019-12-13 | 湖南省大成水务发展有限责任公司 | Variable pressure water supply equipment with high-level energy storage and intelligent sensing functions |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667314B (en) * | 2019-03-02 | 2024-08-27 | 薛金山 | Modularized combined secondary pressurizing water supply equipment and application method thereof |
-
2016
- 2016-09-14 CN CN201621055319.5U patent/CN206157805U/en active Active
-
2017
- 2017-08-23 DE DE202017004362.9U patent/DE202017004362U1/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638792A (en) * | 2016-09-14 | 2017-05-10 | 厦门海源泵业有限公司 | Small-flow energy-saving controller for secondary water supply equipment and secondary water supply method |
| CN106638792B (en) * | 2016-09-14 | 2019-06-04 | 厦门海源泵业有限公司 | Small flow energy-saving controller and secondary water-supply method applied to secondary water-supply equipment |
| CN110565735A (en) * | 2019-09-30 | 2019-12-13 | 湖南省大成水务发展有限责任公司 | Variable pressure water supply equipment with high-level energy storage and intelligent sensing functions |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202017004362U1 (en) | 2017-10-30 |
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