CN209243810U - A kind of interruption water supply non-negative pressure water-supply device - Google Patents
A kind of interruption water supply non-negative pressure water-supply device Download PDFInfo
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- CN209243810U CN209243810U CN201821645981.5U CN201821645981U CN209243810U CN 209243810 U CN209243810 U CN 209243810U CN 201821645981 U CN201821645981 U CN 201821645981U CN 209243810 U CN209243810 U CN 209243810U
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- water
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- negative pressure
- level switch
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Abstract
The utility model proposes a kind of interruption water supply non-negative pressure water-supply devices, including water storage unit, water supplying unit and control unit；Water storage unit includes steady-flow tank；Water supplying unit is connected by pipeline with the water outlet of steady-flow tank；The water inlet that goes out of steady-flow tank is equipped with solenoid valve and flow controller；The first liquid-level switch and the second liquid-level switch are equipped in steady-flow tank；First liquid-level switch, the second liquid-level switch, solenoid valve, flow controller and water supplying unit are connect with control unit signal, to avoid existing pot type non-negative pressure water-supply device because of municipal ductwork pressure deficiency, the case where leading to user's long-time water shortage.
Description
Technical field
The utility model relates to supply equipment technical field more particularly to a kind of interruption water supply non-negative pressure water-supply devices.
Background technique
No-negative-pressure water supply equipment is that a kind of pressurizing feedwater machine is directly connect, in municipal official website residue pressure with municipal network water supply
Series connection, which laminates, on the basis of power supplies water and ensures secondary pressurized water work of the municipal ductwork pressure not less than setting protection pressure.
Traditional pot type non-negative pressure water-supply device, flow controller detect the pressure instability timing of city planting ductwork, that is, close
The valve of vacuum tank water inlet is closed, if the lengthy pressure of city planting ductwork does not restore, leads to supply equipment insufficient water；If uneasy
Fill flow controller, since the work of pressure pump can to generate negative pressure in city planting ductwork again, influence other residents for regimen
Condition.
Utility model content
The purpose of this utility model is that propose a kind of interruption water supply non-negative pressure water-supply device, to avoid existing pot type without
Negative pressure water-supply installation is because of municipal ductwork pressure deficiency, the case where leading to user's long-time water shortage.
In order to achieve the above objectives, the utility model proposes a kind of interruption water supply non-negative pressure water-supply devices, including including water storage
Unit, water supplying unit and control unit；The water storage unit includes steady-flow tank；The water supplying unit passes through pipeline and the current stabilization
The water outlet of tank is connected；The water inlet that goes out of the steady-flow tank is equipped with solenoid valve and flow controller；It is set in the steady-flow tank
There are the first liquid-level switch and the second liquid-level switch；First liquid-level switch, the second liquid-level switch, solenoid valve, flow controller
It is connect with described control unit signal with water supplying unit.
Preferably, the water supplying unit includes water inlet pipe, outlet pipe and at least one pressure pump；The water inlet of the pressure pump
Mouth is connected by water inlet pipe with the water outlet of the steady-flow tank；The water outlet of the pressure pump is connected with the outlet pipe.
Preferably, the outlet pipe is equipped with the air pressure tank for avoiding the frequent open and close of water pump.
Preferably, the steady-flow tank is equipped with vacuum suppresser.
Compared with prior art, the utility model is advantageous in that: in the insufficient situation of municipal ductwork pressure, stream
Amount controller closes solenoid valve, avoids the work of drawing water because of pressure pump, causes city planting ductwork to generate negative pressure, influences other residents'
Just common water；When water level reaches the first liquid-level switch, i.e., tank inner storing water reaches minimum, the letter of the first liquid-level switch transmission at this time
Number to control unit, control unit controls pressure pump and closes, while opens solenoid valve；Remaining water in city planting ductwork pipeline passes through weight
Power effect, is directly entered in tank, any negative pressure will not be caused to influence on city planting ductwork, opens when the water in tank reaches the second liquid level
Guan Shi, the second liquid-level switch transmit signal to control unit, and control unit starts pressure pump, closes solenoid valve at the same time, just
It often supplies water to user, any negative pressure will not be caused to influence on city planting ductwork.
Detailed description of the invention
Fig. 1 is the top view of cut-off water non-negative pressure water-supply device among an embodiment of the present invention；
Fig. 2 is the side view of cut-off water non-negative pressure water-supply device among an embodiment of the present invention.
Specific embodiment
It, below will be to technical solution of the present invention to keep the purpose of this utility model, technical solution and advantage clearer
It is further described.
As depicted in figs. 1 and 2, the utility model proposes a kind of interruption water supply non-negative pressure water-supply devices, including water storage unit
1, water supplying unit 2 and control unit 3, the water storage unit 1 include steady-flow tank 11, the water supplying unit 2 by pipeline with it is described
The water outlet of steady-flow tank 11 is connected；The water inlet that goes out of the steady-flow tank 11 is equipped with solenoid valve and flow controller 12；It is described
The first liquid-level switch 4 and the second liquid-level switch 5 are equipped in steady-flow tank 11；First liquid-level switch 4, the second liquid-level switch 5, electricity
Magnet valve, flow controller 12 and water supplying unit 2 are connect with 3 signal of described control unit.
In the present embodiment, the water supplying unit 2 includes water inlet pipe 21, outlet pipe 22 and at least one pressure pump 23；Institute
The water inlet for stating pressure pump 23 is connected by water inlet pipe 21 with the water outlet of the steady-flow tank 11；The water outlet of the pressure pump 23
Mouth is connected with the outlet pipe 22.
In the present embodiment, the outlet pipe 22 is equipped with the air pressure tank for avoiding the frequent open and close of water pump.
In the present embodiment, the steady-flow tank 11 is equipped with vacuum suppresser.
In the present embodiment, in the insufficient situation of municipal ductwork pressure, flow controller 12 close solenoid valve, avoid because
The work of drawing water of pressure pump 23 causes city planting ductwork to generate negative pressure, influences the just common water of other residents；When water level reaches first
When liquid-level switch 4, i.e., tank inner storing water reaches minimum, and the first liquid-level switch 4 transmits signal to control unit 3 at this time, and control is single
Member 3 controls pressure pump 23 and closes, while opens solenoid valve；Remaining water in city planting ductwork pipeline is directly entered by gravity
In tank, any negative pressure will not be caused to influence on city planting ductwork, when the water in tank reaches the second liquid-level switch 5, the second liquid level
Switch 5 transmits signal to control unit 3, and control unit 3 starts pressure pump 23, closes solenoid valve, bio-occlusion user at the same time
It supplies water, any negative pressure will not be caused to influence on city planting ductwork.
The preferred embodiment that above are only the utility model, does not play the role of any restrictions to the utility model.
Any person of ordinary skill in the field, in the range of not departing from the technical solution of the utility model, to the utility model
The technical solution and technology contents of exposure make the variation such as any type of equivalent replacement or modification, belong to without departing from the utility model
Technical solution content, still fall within the protection scope of the utility model.
Claims (4)
1. a kind of interruption water supply non-negative pressure water-supply device, which is characterized in that including water storage unit, water supplying unit and control unit；
The water storage unit includes steady-flow tank；The water supplying unit is connected by pipeline with the water outlet of the steady-flow tank；It is described steady
The water inlet that goes out for flowing tank is equipped with solenoid valve and flow controller；The first liquid-level switch and the second liquid level are equipped in the steady-flow tank
Switch；First liquid-level switch, the second liquid-level switch, solenoid valve, flow controller and water supplying unit are single with the control
First signal connection.
2. interruption water supply non-negative pressure water-supply device according to claim 1, which is characterized in that the water supplying unit include into
Water pipe, outlet pipe and at least one pressure pump；The water inlet of the pressure pump passes through the water outlet of water inlet pipe and the steady-flow tank
It is connected；The water outlet of the pressure pump is connected with the outlet pipe.
3. interruption water supply non-negative pressure water-supply device according to claim 2, which is characterized in that the outlet pipe, which is equipped with, to be used
In the air pressure tank for avoiding the frequent open and close of water pump.
4. interruption water supply non-negative pressure water-supply device according to claim 1, which is characterized in that the steady-flow tank is equipped with true
Empty suppressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821645981.5U CN209243810U (en) | 2018-10-11 | 2018-10-11 | A kind of interruption water supply non-negative pressure water-supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821645981.5U CN209243810U (en) | 2018-10-11 | 2018-10-11 | A kind of interruption water supply non-negative pressure water-supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209243810U true CN209243810U (en) | 2019-08-13 |
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ID=67524736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821645981.5U Active CN209243810U (en) | 2018-10-11 | 2018-10-11 | A kind of interruption water supply non-negative pressure water-supply device |
Country Status (1)
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| CN (1) | CN209243810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351795A (en) * | 2021-12-24 | 2022-04-15 | 上海汇业机械科技有限公司 | Low-energy-consumption anti-scale non-negative-pressure water supply equipment |
-
2018
- 2018-10-11 CN CN201821645981.5U patent/CN209243810U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351795A (en) * | 2021-12-24 | 2022-04-15 | 上海汇业机械科技有限公司 | Low-energy-consumption anti-scale non-negative-pressure water supply equipment |
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