CN200999357Y - Automatic frequency-changing pressure-sustaining water-feeding equipment against electrical grid fluctuation - Google Patents
Automatic frequency-changing pressure-sustaining water-feeding equipment against electrical grid fluctuation Download PDFInfo
- Publication number
- CN200999357Y CN200999357Y CNU2007200950546U CN200720095054U CN200999357Y CN 200999357 Y CN200999357 Y CN 200999357Y CN U2007200950546 U CNU2007200950546 U CN U2007200950546U CN 200720095054 U CN200720095054 U CN 200720095054U CN 200999357 Y CN200999357 Y CN 200999357Y
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Abstract
An automatic frequency conversion water supply equipment capable of resisting the power network fluctuation is provided. A circuit is composed of a major loop, a frequency converter, a controller, a control circuit, a pressure detecting circuit and a power support circuit. Wherein, the network voltage is connected with the input end of the frequency converter via an air switch and an AC contactor at the output end of the frequency converter is connected with a water pump motor. The utility model has the advantages that the utility model has wide suitable control signals: the voltage signals detected by the transmission pressure gauge or the current signals detected by the pressure transmitter, the current signals detected by the liquid level transmitter or detected by the temperature transmitter, which can control the automatic constant voltage of the water supply equipment; the capacitor with large capacity of the power support circuit adopts the capacitor with nanotechnology, the rated voltage and the rated capacitance are all improved a lot, which has low cost, free maintenance for life, high system reliable degree, long service life, fast charge, strong capacity of storing energy and strong capacity of resisting the power network fluctuation; the equipment is free from leakage and pollution.
Description
Technical field
The utility model belongs to the automatic frequency-conversion water supply facilities of the anti-power network fluctuation of a kind of energy, the automatic frequency-conversion constant pressure water supply equipment of the anti-power network fluctuation of particularly a kind of energy.
Background technology
More and more higher to the automation degree of equipment requirement in recent years in water treatment and plumbing industry, highrise building is more and more, deep well is beaten darker and darker, and this all makes the constant pressure water supply equipment demand increase greatly.There are deficiencies such as not high, the anti-power network fluctuation ability of control accuracy is relatively poor in old constant pressure water supply equipment.
Summary of the invention
The purpose of this utility model just is to overcome above-mentioned the deficiencies in the prior art, and the automatic frequency-conversion constant pressure water supply equipment of the anti-power network fluctuation of a kind of novel constant pressure water supply equipment----energy is provided.
The technical solution of the utility model is:
The automatic frequency-conversion water supply facilities of the anti-power network fluctuation of a kind of energy comprises cabinet, it is characterized in that: the circuit in the cabinet supports circuit to form by major loop, variable-frequency governor, controller, control circuit, pressure detection circuit and power; Line voltage is connected with the variable-frequency governor input by air switch, and the output A.C. contactor of variable-frequency governor is connected with pump motor; Pressure detection circuit is sent detected pressure of supply water value into controller, through controller with set in advance force value analysis, comparison, calculate, and then control variable-frequency governor and optimize the optimum frequency value and make water supply facilities accomplish constant pressure water supply and reach optimum energy-saving effect; Power supports that circuit is to be linked to each other with the DC master row of variable-frequency governor by the discharge circuit that monolithic capacitor and equalizing resistance compose in parallel by being made up of diode and straight line current divider by bank of super capacitors, and fluctuating when the electrical network appearance is to make the water supply facilities still can operate as normal.
Power supports that the large value capacitor of circuit is to adopt under the nanometer technology support to produce a kind of large value capacitor.
The utility model has the advantages that: can be used for various types of water workss, water treatment plant; Industrial water use, agricultural drainage and irrigation water; Highrise building, biotope; Cooling water circulation and hot water supply system; The novel water supply installation in fields such as the constant voltage fuel transfer system of oil pipeline, oil depot, pumping plant.
1, it is wide that this equipment adapts to control signal: no matter be detected voltage signal of teletransmission pressure meter or the detected current signal of pressure transmitter, or even detected current signal of fluid level transmitter or the detected current signal of temperature transmitter, all can the control of this water supply facilities of better controlled automatic constant-pressure.
2, the design's power supports that circuit is to adopt under the nanometer technology support to produce a kind of large value capacitor, its rated voltage and rated capacitance are compared with the traditional electrical electrolysis condenser and are all improved a lot, and investment cost is low, maintenance-free, system's degree of reliability height, long service life, charging are fast, therefore the ability of stored energy is strong, and the ability of anti-power network fluctuation is strong.3, this equipment do not have leakage, pollution-free be Green Product.
Description of drawings:
Fig. 1 is an electrical schematic diagram of the present utility model
The specific embodiment:
The automatic frequency-conversion water supply facilities of the anti-power network fluctuation of a kind of as shown in Figure 1 energy comprises cabinet, and the circuit in the cabinet supports circuit to form by major loop, variable-frequency governor, controller, control circuit, pressure detection circuit and power; Line voltage is connected with the variable-frequency governor input by air switch, and the output A.C. contactor of variable-frequency governor is connected with pump motor; Pressure detection circuit is sent detected pressure of supply water value into controller, through controller with set in advance force value analysis, comparison, calculate, and then control variable-frequency governor and optimize the optimum frequency value and make water supply facilities accomplish constant pressure water supply and reach optimum energy-saving effect; Power supports that circuit is to be linked to each other with the DC master row of variable-frequency governor by the discharge circuit that monolithic capacitor and equalizing resistance compose in parallel by being made up of diode and straight line current divider by bank of super capacitors, and fluctuating when the electrical network appearance is to make the water supply facilities still can operate as normal.
Above-mentioned equipment adaptation control signal is wide: no matter be detected voltage signal of teletransmission pressure meter or the detected current signal of pressure transmitter, or even detected current signal of fluid level transmitter or the detected current signal of temperature transmitter, all can the control of this water supply facilities of better controlled automatic constant-pressure.
Power supports that circuit is to adopt under the nanometer technology support to produce a kind of large value capacitor, its rated voltage and rated capacitance are compared with the traditional electrical electrolysis condenser and are all improved a lot, and investment cost is low, maintenance-free, system's degree of reliability height, long service life, charging are fast, therefore the ability of stored energy is strong, and the ability of anti-power network fluctuation is strong.
The utility model is applied to occasions such as big tomb pharmacy (China) Co., Ltd water treatment workshop supply equipment, Tianjin Railway Signal Factory's boiler room water system, Beijing's second School of Foreign Language's boiler room water system, the two favour community resident living water use automatic water supply systems in Tongzhou District, Beijing City, the automatic water treatment system of Tongzhou District, Beijing City Tuan Li village's living water use, has all obtained extraordinary energy-saving effect and anti-power network fluctuation effect.Facts have proved that above automatic frequency-conversion constant pressure water supply equipment scheme is feasible fully.
Claims (2)
1, the automatic frequency-conversion water supply facilities of the anti-power network fluctuation of a kind of energy comprises cabinet, it is characterized in that: the circuit in the cabinet supports circuit to form by major loop, variable-frequency governor, controller, control circuit, pressure detection circuit and power; Line voltage is connected with the variable-frequency governor input by air switch, and the output A.C. contactor of variable-frequency governor is connected with pump motor; Pressure detection circuit is sent detected pressure of supply water value into controller, through controller with set in advance force value analysis, comparison, calculate, and then control variable-frequency governor and optimize the optimum frequency value and make water supply facilities accomplish constant pressure water supply and reach optimum energy-saving effect; Power supports that circuit is to be linked to each other with the DC master row of variable-frequency governor by the discharge circuit that monolithic capacitor and equalizing resistance compose in parallel by being made up of diode and straight line current divider by bank of super capacitors, and fluctuating when the electrical network appearance is to make the water supply facilities still can operate as normal.
2, the automatic frequency-conversion water supply facilities of the anti-power network fluctuation of energy according to claim 1 is characterized in that: power supports that the large value capacitor of circuit is to adopt under the nanometer technology support to produce a kind of large value capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200950546U CN200999357Y (en) | 2007-01-24 | 2007-01-24 | Automatic frequency-changing pressure-sustaining water-feeding equipment against electrical grid fluctuation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200950546U CN200999357Y (en) | 2007-01-24 | 2007-01-24 | Automatic frequency-changing pressure-sustaining water-feeding equipment against electrical grid fluctuation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200999357Y true CN200999357Y (en) | 2008-01-02 |
Family
ID=39013762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200950546U Expired - Fee Related CN200999357Y (en) | 2007-01-24 | 2007-01-24 | Automatic frequency-changing pressure-sustaining water-feeding equipment against electrical grid fluctuation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200999357Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185556A (en) * | 2011-05-10 | 2011-09-14 | 义马煤业集团股份有限公司 | Power joint control method for cage motor back-to-back frequency converter and frequency converter |
| CN104801187A (en) * | 2015-04-23 | 2015-07-29 | 湖南中沃水务环保科技有限公司 | Constant-pressure variable-frequency control system of pure water equipment, and control method of constant-pressure variable-frequency control system |
| CN112302921A (en) * | 2020-10-29 | 2021-02-02 | 蓓慈电器有限公司 | Water pump control system and foot bath device |
-
2007
- 2007-01-24 CN CNU2007200950546U patent/CN200999357Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185556A (en) * | 2011-05-10 | 2011-09-14 | 义马煤业集团股份有限公司 | Power joint control method for cage motor back-to-back frequency converter and frequency converter |
| CN104801187A (en) * | 2015-04-23 | 2015-07-29 | 湖南中沃水务环保科技有限公司 | Constant-pressure variable-frequency control system of pure water equipment, and control method of constant-pressure variable-frequency control system |
| CN112302921A (en) * | 2020-10-29 | 2021-02-02 | 蓓慈电器有限公司 | Water pump control system and foot bath device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20140124 |