CN208395911U - A kind of frequency-changing water supply device - Google Patents
A kind of frequency-changing water supply device Download PDFInfo
- Publication number
- CN208395911U CN208395911U CN201820773158.6U CN201820773158U CN208395911U CN 208395911 U CN208395911 U CN 208395911U CN 201820773158 U CN201820773158 U CN 201820773158U CN 208395911 U CN208395911 U CN 208395911U
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- Prior art keywords
- frequency
- water supply
- water
- pipe
- supply device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
The utility model discloses a kind of frequency-changing water supply devices, including diaphragm air pressure tank, stainless steel water supply tank and frequency-conversion control cabinet, the water pipe being connected with outlet pipe is equipped on the stainless steel water supply tank side by side, the outlet pipe is connect by being discharged pipe flange with diaphragm air pressure tank, it is equipped with water pump on each water pipe, on the water pipe and is located at the front side of water pump and is successively arranged check-valves and butterfly valve from front to back.The utility model uses constant pressure water supply, and technologically advanced, water pressure invariableness, easy to operate, reliable for operation, saving electric energy, high degree of automation have the function of that water pressure invariableness and more pumps is maintained to automatically switch operation in pumping plant water supply.
Description
Technical field
The utility model belongs to pumping plant hydrotechny field, and in particular to a kind of frequency-changing water supply device.
Background technique
Constant pressure water supply is that secondary water-supply equipment carries out a kind of mode to supply water.It is to maintain the constant of pressure of supply water, can make
It supplies water and with keeping balancing between water, i.e., supplies water when more with water also more, supply water when few with water also few, to improve the matter of water supply
Amount.
And pumping plant water supply device often cannot be achieved constant pressure water supply and make hydraulic pressure unstable in the prior art, operation
Inconvenience, it is unreliable to run, and wastes electric energy significantly, and the degree of automation is low, and pumping plant water supply device is past in the prior art
Automatically switch the function of running toward more pumps cannot be achieved.
For this purpose, it is proposed that a kind of being capable of constant pressure water supply and the frequency conversion confession with more pump automatic switchover operation functions
Wetting system solves the above problems.
Utility model content
The purpose of this utility model is to provide a kind of frequency-changing water supply devices, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions: a kind of frequency-changing water supply device, including diaphragm gas
Tank, stainless steel water supply tank and frequency-conversion control cabinet are pressed, is equipped on the stainless steel water supply tank and is connected with outlet pipe side by side
Water pipe, the outlet pipe by be discharged pipe flange connect with diaphragm air pressure tank, water pump, the water pipe are equipped on each water pipe
Front side that is upper and being located at water pump is successively arranged check-valves and butterfly valve from front to back.
Preferably, connecting hose is additionally provided between the check-valves and butterfly valve.
Preferably, the outlet pipe is equipped with relief valve and distance-transmission pressure gauge.
Preferably, the frequency-conversion control cabinet is by breaker, frequency converter, contactor, intermediate relay, PLC control plane board group
At the PLC control panel is electrically connected with breaker, frequency converter, contactor, intermediate relay respectively by conducting wire, described
The control output end of frequency-conversion control cabinet and the automatically controlled end of water pump are electrically connected.
Preferably, the signal receiving end of the signal sending end of the distance-transmission pressure gauge and frequency-conversion control cabinet is electrically connected.
The technical effect and advantage of the utility model: the frequency-changing water supply device is able to maintain outlet pipe constant pressure water supply, will go out
The actual pressure of distance-transmission pressure gauge is compared after feeding back with given pressure on water pipe, when outlet pipe insufficient pressure, frequency conversion
Device increases output frequency, and pump rotary speed is accelerated, and water supply increases, and water outlet pipe pressure is forced to rise, otherwise water spin down, supplies water
Amount reduces, and water outlet pipe pressure decline keeps constant pressure water supply.Constant pressure water supply is technologically advanced, water pressure invariableness, easy to operate, fortune
Row is reliable, saves electric energy, high degree of automation, has in pumping plant water supply and water pressure invariableness and more pumps is maintained to automatically switch fortune
Capable function is widely used in waterworks, booster pump chamber supplies water, resident living area, hotel and other building enterprises production use
Water, boiler circulating water system and farm irrigation system etc..
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the connection relationship diagram of the utility model frequency-conversion control cabinet and water pump.
In figure: 1 diaphragm air pressure tank, 2 stainless steel water supply tanks, 3 outlet pipes, 4 water pipes, 5 water outlet pipe flanges, 6 water pumps, 7 are stopped
Return valve, 8 butterfly valves, 9 connecting hoses, 10 relief valves, 11 distance-transmission pressure gauges, 12 frequency-conversion control cabinets.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of frequency-changing water supply device as shown in Figs. 1-2, including diaphragm air pressure tank 1, stainless steel
Water supply tank 2 and frequency-conversion control cabinet 12 are equipped with the water pipe being connected with outlet pipe 3 on the stainless steel water supply tank 2 side by side
4, the outlet pipe 3 is connect by being discharged pipe flange 5 with diaphragm air pressure tank 1, and water pump 6, the water pipe are equipped on each water pipe 4
It is successively arranged check-valves 7 and butterfly valve 8 from front to back on 4 and positioned at the front side of water pump 6.
Specifically, being additionally provided with connecting hose 9 between the check-valves 7 and butterfly valve 8.
Specifically, the outlet pipe 3 is equipped with relief valve 10 and distance-transmission pressure gauge 11.
Specifically, the frequency-conversion control cabinet 12 is by breaker, frequency converter, contactor, intermediate relay, PLC control panel
Composition, the PLC control panel are electrically connected with breaker, frequency converter, contactor, intermediate relay respectively by conducting wire, institute
The automatically controlled end of the control output end and water pump 6 of stating frequency-conversion control cabinet 12 is electrically connected.
Specifically, the signal sending end of the distance-transmission pressure gauge 11 and the signal receiving end of frequency-conversion control cabinet 12 electrically connect
It connects.
The frequency-changing water supply device is able to maintain 3 constant pressure water supply of outlet pipe, by the reality of distance-transmission pressure gauge 11 on outlet pipe 3
Pressure is compared after feeding back with given pressure, when 3 insufficient pressure of outlet pipe, frequency converter increase output frequency, and 6 turns of water pump
Speed is accelerated, and water supply increases, and 3 pressure of outlet pipe is forced to rise, otherwise 6 spin down of water, and water supply reduces, 3 pressure of outlet pipe
Decline keeps constant pressure water supply.Constant pressure water supply is technologically advanced, water pressure invariableness, it is easy to operate, reliable for operation, save electric energy, from
Dynamicization degree is high, has the function of maintaining water pressure invariableness in pumping plant water supply, is widely used in waterworks, booster pump chamber supplies
Water, resident living area, hotel and other building enterprise's industrial waters, boiler circulating water system and farm irrigation system etc..
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of frequency-changing water supply device, including diaphragm air pressure tank (1), stainless steel water supply tank (2) and frequency-conversion control cabinet (12),
It is characterized by: the water pipe (4) being connected with outlet pipe (3), the water outlet are equipped on the stainless steel water supply tank (2) side by side
Pipe (3) is connect by being discharged pipe flange (5) with diaphragm air pressure tank (1), is equipped with water pump (6), the water pipe on each water pipe (4)
(4) it is successively arranged check-valves (7) and butterfly valve (8) from front to back on and positioned at the front side of water pump (6).
2. a kind of frequency-changing water supply device according to claim 1, it is characterised in that: the check-valves (7) and butterfly valve (8) it
Between be additionally provided with connecting hose (9).
3. a kind of frequency-changing water supply device according to claim 1, it is characterised in that: the outlet pipe (3) is equipped with pressure release
Valve (10) and distance-transmission pressure gauge (11).
4. a kind of frequency-changing water supply device according to claim 1, it is characterised in that: the frequency-conversion control cabinet (12) is by open circuit
Device, frequency converter, contactor, intermediate relay, PLC control panel composition, the PLC control panel by conducting wire respectively with open circuit
Device, frequency converter, contactor, intermediate relay are electrically connected, control output end and water pump (6) of the frequency-conversion control cabinet (12)
Automatically controlled end is electrically connected.
5. a kind of frequency-changing water supply device according to claim 3, it is characterised in that: the signal of the distance-transmission pressure gauge (11)
Transmitting terminal and the signal receiving end of frequency-conversion control cabinet (12) are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820773158.6U CN208395911U (en) | 2018-05-23 | 2018-05-23 | A kind of frequency-changing water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820773158.6U CN208395911U (en) | 2018-05-23 | 2018-05-23 | A kind of frequency-changing water supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208395911U true CN208395911U (en) | 2019-01-18 |
Family
ID=65136058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820773158.6U Active CN208395911U (en) | 2018-05-23 | 2018-05-23 | A kind of frequency-changing water supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208395911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173021A (en) * | 2019-06-17 | 2019-08-27 | 上海威派格智慧水务股份有限公司 | A kind of frequency conversion pressurization dedicated pressurization energy storage equipment of supply equipment |
-
2018
- 2018-05-23 CN CN201820773158.6U patent/CN208395911U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173021A (en) * | 2019-06-17 | 2019-08-27 | 上海威派格智慧水务股份有限公司 | A kind of frequency conversion pressurization dedicated pressurization energy storage equipment of supply equipment |
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