CN201276724Y - Variable-frequency multi-constant pressure non-negative pressure water supply device - Google Patents
Variable-frequency multi-constant pressure non-negative pressure water supply device Download PDFInfo
- Publication number
- CN201276724Y CN201276724Y CNU2008201718902U CN200820171890U CN201276724Y CN 201276724 Y CN201276724 Y CN 201276724Y CN U2008201718902 U CNU2008201718902 U CN U2008201718902U CN 200820171890 U CN200820171890 U CN 200820171890U CN 201276724 Y CN201276724 Y CN 201276724Y
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- water
- pipe
- pressure sensor
- bypass branch
- negative pressure
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Abstract
The utility model discloses a frequency-capacity variable multiple constant pressure non-negative pressure water supply device, which comprises a steady flow water storage tank mounted with a pressure sensor and an intelligent negative pressure eliminator, wherein a liquid level sensor is provided in the steady flow water storage tank; the water pipe between the water outlet orifice of the steady flow water storage tank and a user water tube is provided with a water pump water supply pipe unit; a bypass branch is provided between a tap water pipe and the user water pipe; the bypass branch is provided with a check valve; the user water pipe is mounted with a remote pressure sensor; the pressure sensor, the liquid level sensor and the remote pressure sensor are electrically connected with an electric control box provided with an PLC. When the pressure of the tap water pipe satisfies user unit, the utility model directly supplies water for each user unit via the bypass branch; the PLC in the electric control box sets different pressure values at different time periods, to control the working state of the water pump, to satisfy user's demands, avoid energy waste and save resource.
Description
Technical field
The utility model relates to the supply equipment field, specifically is a kind of many constant voltages of frequency conversion variable non-negative pressure water-supply installation that is used for the water supply pipe system.
Background technology
At present, along with the progressively development in city, urban water consumption increases, and original water supply pipe pressure occurs not enough.In this case, traditional way is a reservoir in the middle of building, and is pressurised into each subscriber unit by non-negative pressure water-supply installation or secondary and supplies water.Non-negative pressure water-supply installation mostly adopts the mode of series connection current stabilization water tank on the running water pipe, and under any circumstance, the current stabilization water tank is all in running order, causes the waste of the energy easily; In user's water use peak period and ebb period, be not easy to regulate pressure and satisfy user's water demand.
The utility model content
The technical problems to be solved in the utility model provides a kind of energy-conservation and regulate many constant voltages of frequency conversion variable non-negative pressure water-supply installation of service pipe pressure at times.
For solving the problems of the technologies described above, many constant voltages of the frequency conversion variable non-negative pressure water-supply installation that is provided, comprise the current stabilization water tank, the water inlet pipe mouth of current stabilization water tank is connected with running water pipe, the effluent pipe mouth of current stabilization water tank is connected with service pipe by water pump feed pipe group, pressure sensor and intelligent negative pressure arrester are installed on the current stabilization water tank, be provided with liquid level sensor in the current stabilization water tank, its design feature is: running water pipe also is parallel with the bypass branch road, the water side of bypass branch road is connected on the service pipe, the bypass branch road is provided with flap valve, be in series with distal pressure sensor on the described service pipe, described pressure sensor, liquid level sensor and distal pressure sensor all are electrically connected with electric control box, are provided with PLC in the electric control box.
After adopting said structure, when the pressure of running water pipe was enough to satisfy unit users, the current stabilization water tank was in off position, directly supplied water for each subscriber unit by the bypass branch road; Be provided with PLC in the electric control box, by the clock controller among the PLC different clocks section is set, extrapolate the force value of different period user needs according to the input signal of distal pressure sensor, by PLC clock control cell clock signal, set different force value in the different periods, electric control box comes the duty of control of pump by different force value, not only can satisfy user's water demand, also resource has been saved in the Zui Da waste of having avoided energy.
Described water pump feed pipe group comprises two groups of water pumps in parallel and the flap valve that is connected in series with water pump, the in addition bypass branch road in parallel with described water pump, and the bypass branch road is provided with flap valve.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model.
The specific embodiment
Many constant voltages of frequency conversion variable non-negative pressure water-supply installation as shown in Figure 1, comprise current stabilization water tank 3, the water inlet pipe mouth of current stabilization water tank 3 is connected with running water pipe 1, the effluent pipe mouth of current stabilization water tank 3 is connected with service pipe 2 by water pump feed pipe group, water pump feed pipe group comprises two groups of water pumps 7 in parallel and flap valve 9, the top of current stabilization water tank 3 is equipped with pressure sensor 5 and intelligent negative pressure arrester 6, be provided with liquid level sensor 11 in the current stabilization water tank 3, be associated with bypass branch road 4 between running water pipe 1 and the service pipe 2, bypass branch road 4 is provided with flap valve 9, distal pressure sensor 8 is installed on the service pipe 2, the terminal of service pipe 2 is each subscriber unit 12, described pressure sensor 5, water pump 7, liquid level sensor 11, distal pressure sensor 8 all is electrically connected with electric control box, is provided with PLC in the electric control box.
Claims (2)
1, a kind of many constant voltages of frequency conversion variable non-negative pressure water-supply installation, comprise current stabilization water tank (3), the water inlet pipe mouth of current stabilization water tank (3) is connected with running water pipe (1), the effluent pipe mouth of current stabilization water tank (3) is connected with service pipe (2) by water pump feed pipe group, pressure sensor (5) and intelligent negative pressure arrester (6) are installed on the current stabilization water tank (3), be provided with liquid level sensor (11) in the current stabilization water tank (3), it is characterized in that: be provided with bypass branch road (4) between running water pipe (1) and the service pipe (2), bypass branch road (4) is provided with flap valve (9), distal pressure sensor (8) is installed on the service pipe (2), described pressure sensor (5), liquid level sensor (11), water pump (7) and distal pressure sensor (8) all are electrically connected with electric control box (10), and electric control box is provided with PLC in (10).
2, many constant voltages of frequency conversion variable non-negative pressure water-supply installation according to claim 1, it is characterized in that: described water pump feed pipe group comprises two groups of water pumps (7) in parallel and the flap valve that is connected in series with water pump (7), the in addition bypass branch road (17) in parallel with described water pump (7), bypass branch road (17) is provided with flap valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201718902U CN201276724Y (en) | 2008-09-25 | 2008-09-25 | Variable-frequency multi-constant pressure non-negative pressure water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201718902U CN201276724Y (en) | 2008-09-25 | 2008-09-25 | Variable-frequency multi-constant pressure non-negative pressure water supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201276724Y true CN201276724Y (en) | 2009-07-22 |
Family
ID=40894309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201718902U Expired - Lifetime CN201276724Y (en) | 2008-09-25 | 2008-09-25 | Variable-frequency multi-constant pressure non-negative pressure water supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201276724Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866659A (en) * | 2012-08-27 | 2013-01-09 | 蚌埠凯盛工程技术有限公司 | Automatic control system for circulating cooling water |
| CN103529695A (en) * | 2013-10-08 | 2014-01-22 | 郭景礼 | Variable-frequency speed regulation water supply system based on day parting intelligent PID (proportion integration differentiation) regulator |
| CN110593349A (en) * | 2019-08-22 | 2019-12-20 | 上海威派格智慧水务股份有限公司 | Variable-frequency pressurized water supply equipment and working method thereof |
| CN111219600A (en) * | 2020-01-02 | 2020-06-02 | 温州大学 | Flow detection method of parallel variable-frequency constant-pressure water supply system based on Newton iteration |
-
2008
- 2008-09-25 CN CNU2008201718902U patent/CN201276724Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866659A (en) * | 2012-08-27 | 2013-01-09 | 蚌埠凯盛工程技术有限公司 | Automatic control system for circulating cooling water |
| CN102866659B (en) * | 2012-08-27 | 2014-10-29 | 蚌埠凯盛工程技术有限公司 | Automatic control system for circulating cooling water |
| CN103529695A (en) * | 2013-10-08 | 2014-01-22 | 郭景礼 | Variable-frequency speed regulation water supply system based on day parting intelligent PID (proportion integration differentiation) regulator |
| CN110593349A (en) * | 2019-08-22 | 2019-12-20 | 上海威派格智慧水务股份有限公司 | Variable-frequency pressurized water supply equipment and working method thereof |
| CN111219600A (en) * | 2020-01-02 | 2020-06-02 | 温州大学 | Flow detection method of parallel variable-frequency constant-pressure water supply system based on Newton iteration |
| CN111219600B (en) * | 2020-01-02 | 2021-05-04 | 温州大学 | Flow detection method of parallel variable-frequency constant-pressure water supply system based on Newton iteration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090722 |