CN205475451U - Water supply equipment without negative pressure - Google Patents
Water supply equipment without negative pressure Download PDFInfo
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- CN205475451U CN205475451U CN201620266840.7U CN201620266840U CN205475451U CN 205475451 U CN205475451 U CN 205475451U CN 201620266840 U CN201620266840 U CN 201620266840U CN 205475451 U CN205475451 U CN 205475451U
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- water
- steady
- pressure
- supply equipment
- variable frequency
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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 water supply equipment without negative pressure, this water supply equipment without negative pressure include and be equipped with the vacuum inhibitor by the stationary flow jar on the stationary flow jar, and the water inlet of stationary flow jar connects the municipal administration to come the water pipe, and the delivery port of stationary flow jar connects the inlet tube of frequency conversion water pump, and the outlet pipe of frequency conversion water pump meets user water main, water supply equipment without negative pressure still includes the PLC intelligent control ware according to intake parameter and water consumption parameter control frequency conversion water pump operation operating mode, be equipped with the flow sensor of intaking who provides the flow information of intaking in real time for the PLC intelligent control ware in the stationary flow jar, be equipped with the water consumption flow sensor who provides active user consumption water yield information for the PLC intelligent control ware on user water main, this water supply equipment without negative pressure comes discharge and user to consume quantity of water regulation frequency conversion water pump operation operating mode according to the municipal administration, realize when the municipal administration comes water not enough for a long time, incessant feedwater, realize that the independence municipal administration comes the water pressure to be the incessant feedwater of equipment operation important document.
Description
Technical field
This utility model relates to water work technical field, particularly to a kind of no-negative-pressure water supply equipment.
Background technology
Non-negative pressure water-supply installation is a kind of secondary energy-saving water work that tap water pipe network will not produce any side effect being directly connected with tap water pipe network, water supply is directly laminated on the basis of municipal ductwork pressure, save the energy, and also there is the plurality of advantages such as totally-enclosed, pollution-free, occupation of land amount is little, quick for installation, reliable, easy to maintenance.Non-negative pressure water-supply installation in early days only could work in the case of municipal administration water pressure abundance; if occurring as soon as shutdown (such as festivals or holidays) in the case of the pressure transient of tap water; in order to overcome this defect; it is developed the non-negative pressure water-supply installation with vacuum suppresser; this non-negative pressure water-supply installation just uses the water in steady-flow tank as supplementing when municipal administration carrys out water shortage; if the water yield declines again; equipment will perform the second pressure; ensure uninterrupted water supply; until steady-flow tank interior edema is all for complete, equipment autostop.But, this non-negative pressure water-supply installation can not regulate force (forcing) pump operating condition in real time according to user's water loss and water changes in flow rate, and waste of energy is serious, and when municipal water supply amount reduces, it is short that equipment continues water supply time.
Utility model content
Utility model to solve the technical problem that: for the deficiencies in the prior art, a kind of no-negative-pressure water supply equipment is provided, this no-negative-pressure water supply equipment comes discharge and user's water loss regulation variable frequency pump operating condition according to municipal administration, realize when municipal administration water deficiency for a long time, uninterruptedly feed water, it is achieved carrying out water pressure not against municipal administration is the uninterrupted feedwater that equipment runs important document.
The technical scheme that solution technical problem is taked: a kind of no-negative-pressure water supply equipment, including steady-flow tank, steady-flow tank is provided with vacuum suppresser, it is provided with blow-off pipe and blowoff valve in the bottom of steady-flow tank, the water inlet of steady-flow tank connects municipal administration and carrys out water pipe, the outlet of steady-flow tank connects the water inlet pipe of variable frequency pump, the outlet pipe of variable frequency pump meets user water main, described no-negative-pressure water supply equipment also includes according to flooding parameter and the PLC intelligent controller of water consumption state modulator variable frequency pump operating condition, the flow of inlet water sensor that real-time flow of inlet water information is provided it is provided with into PLC intelligent controller in steady-flow tank, user water main is provided with the water consumption flow transducer providing active user water loss information into PLC intelligent controller.
As improvement of the present utility model: be provided with in steady-flow tank and provide current stabilization pressure inside the tank and the pressure transducer of water level information and level sensor into PLC intelligent controller, water main is provided with the pressure transducer providing pressure of supply water information into PLC intelligent controller.
As further improvement of the utility model: at least provided with the variable frequency pump of two connections arranged side by side in described no-negative-pressure water supply equipment, the influent side of variable frequency pump is provided with the water knockout drum being connected by the water inlet pipe of many variable frequency pumps with the outlet of steady-flow tank, described water knockout drum is eccentric water knockout drum, and water knockout drum transverse tube bottom surface is in same level with the water inlet pipe bottom surface of variable frequency pump.
nullBeneficial effect: no-negative-pressure water supply equipment of the present utility model，Steady-flow tank is included owing to have employed described no-negative-pressure water supply equipment，Steady-flow tank is provided with vacuum suppresser，It is provided with blow-off pipe and blowoff valve in the bottom of steady-flow tank，The water inlet of steady-flow tank connects municipal administration and carrys out water pipe，The outlet of steady-flow tank connects the water inlet pipe of variable frequency pump，The outlet pipe of variable frequency pump meets user water main，Described no-negative-pressure water supply equipment also includes according to flooding parameter and the PLC intelligent controller of water consumption state modulator variable frequency pump operating condition，The flow of inlet water sensor that real-time flow of inlet water information is provided it is provided with into PLC intelligent controller in steady-flow tank，User water main is provided with the technical scheme of the water consumption flow transducer providing active user water loss information into PLC intelligent controller，When municipal water supply pressure and flow-reduction，PLC intelligent controller carries out computing according to flow of inlet water and user's water loss information，Draw optimal feedwater flow and force value，And by the operational factor of this optimum regulation variable frequency pump，Thus realize when municipal water supply deficiency，The most uninterruptedly feed water with relatively low flow，And maintain non-negative pressure water supply with minimum operation power，Energy-saving effect is notable，No-negative-pressure water supply equipment of the present utility model can also set variable frequency pump minimum speed by PLC intelligent controller，Prevent the long-time low cruise of variable frequency pump can not proper heat reduction and motor damage，In addition，This no-negative-pressure water supply equipment is when detecting the useless water consumption of user side，Variable frequency pump can be automatically switched off，Energy-saving effect is more preferable.In steady-flow tank, pressure transducer and level sensor it is provided with owing to have employed, water main is provided with the technical characteristic of pressure transducer, by PLC intelligent controller, pressure information is calculated, draw the pressure needing variable frequency pump superposition, by water level information in collection steady-flow tank, by water level information with carry out discharge, user's water consumption informix calculates, optimize and draw optimal flow and the force value that can maintain long-time water supply, and adjust variable frequency pump running parameter according to optimum, so that no-negative-pressure water supply equipment of the present utility model is when municipal water supply insufficient pressure, low discharge can be maintained for a long time, low-pressure uninterruptedly supplies water, reduce the not enough impact on user of municipal water supply.Owing to have employed in described no-negative-pressure water supply equipment the variable frequency pump at least provided with two connections arranged side by side, the influent side of variable frequency pump is provided with the water knockout drum being connected by the water inlet pipe of many variable frequency pumps with the outlet of steady-flow tank, described water knockout drum is eccentric water knockout drum, the water inlet pipe bottom surface of water knockout drum transverse tube bottom surface and variable frequency pump is in the technical characteristic of same level, on the one hand regular maintenance and the maintenance of equipment are facilitated, overhaul of the equipments impact is avoided to supply water, on the other hand, eccentric water knockout drum occurs in can avoiding water knockout drum that stagnant water or impurity deposition affect water quality.
Accompanying drawing explanation
Fig. 1 is no-negative-pressure water supply equipment structural representation of the present utility model.
Detailed description of the invention
nullAs shown in Figure 1，No-negative-pressure water supply equipment of the present utility model，Including steady-flow tank 5，Steady-flow tank is provided with vacuum suppresser，Blow-off pipe 3 and blowoff valve 4 it is provided with in the bottom of steady-flow tank，The water inlet 8 of steady-flow tank connects municipal water supply pipe 1，The outlet 10 of steady-flow tank connects the water inlet pipe of variable frequency pump，The outlet pipe of variable frequency pump 9 meets user water main 2，Described no-negative-pressure water supply equipment also includes according to flooding parameter and the PLC intelligent controller 15 of water consumption state modulator variable frequency pump operating mode，The flow of inlet water sensor 6 that real-time flow of inlet water information is provided it is provided with into PLC intelligent controller in steady-flow tank，User water main is provided with the water consumption flow transducer 14 providing active user water loss information into PLC intelligent controller，It is provided with in steady-flow tank and provides current stabilization pressure inside the tank and the pressure transducer of water level information and level sensor 7 into PLC intelligent controller，Water main is provided with the pressure transducer 13 providing pressure of supply water information into PLC intelligent controller，At least provided with the variable frequency pump of two connections arranged side by side in described no-negative-pressure water supply equipment，The influent side of variable frequency pump is provided with the water knockout drum being connected by the water inlet pipe of many variable frequency pumps with the outlet of steady-flow tank，Described water knockout drum is eccentric water knockout drum，Water knockout drum transverse tube 11 bottom surface is in same level with water inlet pipe 12 bottom surface of variable frequency pump.
Claims (3)
1. a no-negative-pressure water supply equipment, including steady-flow tank, steady-flow tank is provided with vacuum suppresser, it is provided with blow-off pipe and blowoff valve in the bottom of steady-flow tank, the water inlet of steady-flow tank connects municipal administration and carrys out water pipe, the outlet of steady-flow tank connects the water inlet pipe of variable frequency pump, the outlet pipe of variable frequency pump meets user water main, it is characterized in that: described no-negative-pressure water supply equipment also includes according to flooding parameter and the PLC intelligent controller of water consumption state modulator variable frequency pump operating condition, the flow of inlet water sensor that real-time flow of inlet water information is provided it is provided with into PLC intelligent controller in steady-flow tank, user water main is provided with the water consumption flow transducer providing active user water loss information into PLC intelligent controller.
No-negative-pressure water supply equipment the most according to claim 1, it is characterized in that: be provided with in steady-flow tank and provide current stabilization pressure inside the tank and the pressure transducer of water level information and level sensor into PLC intelligent controller, water main is provided with the pressure transducer providing pressure of supply water information into PLC intelligent controller.
No-negative-pressure water supply equipment the most according to claim 1 and 2, it is characterized in that: at least provided with the variable frequency pump of two connections arranged side by side in described no-negative-pressure water supply equipment, the influent side of variable frequency pump is provided with the water knockout drum being connected by the water inlet pipe of many variable frequency pumps with the outlet of steady-flow tank, described water knockout drum is eccentric water knockout drum, and water knockout drum transverse tube bottom surface is in same level with the water inlet pipe bottom surface of variable frequency pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620266840.7U CN205475451U (en) | 2016-04-05 | 2016-04-05 | Water supply equipment without negative pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620266840.7U CN205475451U (en) | 2016-04-05 | 2016-04-05 | Water supply equipment without negative pressure |
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| Publication Number | Publication Date |
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| CN205475451U true CN205475451U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620266840.7U Active CN205475451U (en) | 2016-04-05 | 2016-04-05 | Water supply equipment without negative pressure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319503A (en) * | 2022-01-25 | 2022-04-12 | 威乐(中国)水泵系统有限公司 | Secondary water supply equipment |
-
2016
- 2016-04-05 CN CN201620266840.7U patent/CN205475451U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319503A (en) * | 2022-01-25 | 2022-04-12 | 威乐(中国)水泵系统有限公司 | Secondary water supply equipment |
| CN114319503B (en) * | 2022-01-25 | 2022-10-28 | 威乐(中国)水泵系统有限公司 | Secondary water supply equipment |
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