CN203821499U - Non-negative pressure water supply equipment with pressure sensor - Google Patents

Non-negative pressure water supply equipment with pressure sensor Download PDF

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Publication number
CN203821499U
CN203821499U CN201420063467.6U CN201420063467U CN203821499U CN 203821499 U CN203821499 U CN 203821499U CN 201420063467 U CN201420063467 U CN 201420063467U CN 203821499 U CN203821499 U CN 203821499U
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CN
China
Prior art keywords
water
negative pressure
pressure
water inlet
pressure sensor
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Expired - Fee Related
Application number
CN201420063467.6U
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Chinese (zh)
Inventor
靳文东
曾向军
杜海生
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Shenyang Zhong Chenbengye A Complete Set Of Equipment Manufacturing Co Ltd
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Shenyang Zhong Chenbengye A Complete Set Of Equipment Manufacturing Co Ltd
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Priority to CN201420063467.6U priority Critical patent/CN203821499U/en
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Publication of CN203821499U publication Critical patent/CN203821499U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use

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  • Control Of Non-Positive-Displacement Pumps (AREA)

Abstract

The utility model provides non-negative pressure water supply equipment with a pressure sensor. The non-negative pressure water supply equipment comprises a non-negative pressure flow stabilizing tank, a control cabinet, a water inlet pipe, a water outlet pipe, a plurality of water pumps and a pressure stabilizing tank, wherein the non-negative pressure flow stabilizing tank is connected with a water inlet, a pipe network pressure detection device, a filter and a reverse flow preventer are sequentially arranged between the water inlet and the non-negative pressure flow stabilizing tank, the water inlet end of the non-negative pressure flow stabilizing tank is provided with a vacuum inhibiter, an equipment hanging lug and a liquid level sensor used for measuring the water level, an electric joint pressure meter is arranged on the water inlet pipe, and the pressure sensor and an overpressure protection device are arranged on the water outlet pipe. Compared with the prior art, the non-negative pressure water supply equipment has the advantages that negative pressure cannot be generated on a municipal tap water pipe network, the original pressure of the municipal tap water pipe network is utilized to the maximum degree, the efficiency is high, and the energy is saved. In addition, through the arrangement of the pressure sensor and the overpressure protection device, when the water pressure is too great, the speed regulation can be realized through a frequency converter arranged inside the control cabinet, so the problem of potential safety hazards is solved.

Description

A kind of non-negative pressure water-supply installation that is provided with pressure sensor
Technical field
The utility model relates to second pressure water supply field, is specifically related to a kind of non-negative pressure water-supply installation that is provided with pressure sensor.
Background technology
Traditional second pressure water supply mode, is in the tap water of city planting ductwork is introduced the pond or water tank pump house, via force (forcing) pump, to user, supplies water, and the hydraulic pressure on former city planting ductwork is wasted completely.If fetched water and water pump is directly connected on city planting ductwork, can make again pipe network produce negative pressure, affect other user's waters of periphery.
Although people are by variable-frequency control technique, according to the minimizing of user's water supply volume or increase, pump speed control moves, but does not utilize the pressure on former city planting ductwork, consumes energy larger.Build water tank, pond is long in time limit, cost is high, floor space is large, reservoir fouling, scale removal is cleaned, secondary pollution, unhygienic, not environmental protection.Pump house customer interrupted does not have water.
On the other hand, because hydraulic pressure is unstable, easily in water supply process, produce safety problem, cause potential safety hazard.
Utility model content
The purpose of this utility model is for the above-mentioned problems in the prior art, provides a kind of intelligent operation, energy-efficient, hygienic environment-protecting can guarantee the safe non-negative pressure water-supply installation that is provided with pressure sensor.
The utility model provides a kind of non-negative pressure water-supply installation that is provided with pressure sensor, it comprises non-negative pressure stabilized tank, switch board, water inlet pipe, outlet pipe, a plurality of water pump and vacuum tank, described non-negative pressure stabilized tank connects water inlet, between described water inlet and described non-negative pressure stabilized tank, is disposed with ductwork pressure checkout gear, strainer and backflow preventer; The water inlet end of described non-negative pressure stabilized tank is provided with vacuum suppresser, equipment hanger and for measuring the liquid level sensor of water level, the water side of described non-negative pressure stabilized tank is provided with delivery port, support, cleaning blowoff valve and blow vent; Described delivery port connects described water inlet pipe; described water inlet pipe connects described outlet pipe; between described water inlet pipe and described outlet pipe, be provided with vacuum tank, a plurality of water pump and bypass pipe; described a plurality of water pump connects respectively described switch board; on described water inlet pipe, be provided with electro connecting pressure gauge, on described outlet pipe, be provided with pressure sensor and overpressure protection apparatus.
Preferably, described pressure sensor and overpressure protection apparatus connect respectively described switch board.
Preferably, the quantity of described water pump is 3.
Preferably, in described switch board, be provided with frequency converter, the quantity of described frequency converter is 2.
Preferably, the end of described outlet pipe is provided with valve.
Preferably, between described a plurality of water pumps and described water inlet pipe, be provided with valve, between described a plurality of water pumps and described outlet pipe, be disposed with the pipeline that is flexible coupling, flap valve and valve.
Preferably, between described vacuum tank and described water inlet pipe, be provided with valve, between described vacuum tank and described outlet pipe, be disposed with flap valve and valve.
Preferably, on described bypass pipe, between described water inlet pipe and described outlet pipe, be disposed with flap valve and valve.
Preferably, described vacuum suppresser and described liquid level sensor all connect described switch board.
Preferably, described switch board is frequency-conversion control cabinet, on described switch board, is provided with control button.
Preferably, the quantity of institute's transfer device hanger is two, is provided with the convenient through hole hanging on described equipment hanger.
Preferably, described water pump is provided with motor, and described water pump is stainless steel centrifugal multistage pump multiple centrifugal pump.
Preferably, the quantity of described water pump is 2-6 platform.
Preferably, in described frequency-conversion control cabinet, be provided with frequency converter, the quantity of described frequency converter is 1-5 platform.
Advantage of the present utility model has: compared with prior art, this frequency control non-negative pressure water-supply installation has replaced traditional water tank, pond with non-negative pressure stabilized tank, saves construction investment, the secondary pollution of having avoided quoting water, hygienic environment-protecting.Can directly not come grid to produce negative pressure to municipal administration simultaneously, utilize to greatest extent the municipal original pressure that directly carrys out grid, energy-efficient, pump house customer interrupted still has water.On the other hand, due to the setting of pressure sensor and overpressure protection apparatus, when hydraulic pressure is excessive, can carries out speed governing by the frequency converter of switch board inside, thereby solve potential safety hazard.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is further explained:
As shown in Figure 1, this non-negative pressure water-supply installation comprises non-negative pressure stabilized tank 1, switch board 6, water inlet pipe 3, outlet pipe 5, some water pumps 4 and vacuum tank 10, non-negative pressure stabilized tank 1, water inlet pipe 3, outlet pipe 5, some water pumps 4 and vacuum tank 10 connect into complete equipment, liquid level sensor 7 in its non-negative pressure stabilized tank, the electro connecting pressure gauge 9 on inlet pipeline, the pressure sensor 8 on outlet pipe, some water pumps 4 are all connected with switch board 6, thereby realize Based Intelligent Control frequency control.The number of units of water pump 4 is 2 to 6, and in the present embodiment, the number of units of water pump 4 is 3, and water pump 4 is stainless steel vertical multi-stage centrifugal pump.
Switch board 6 is frequency-conversion control cabinet, is provided with frequency converter in frequency-conversion control cabinet, and the quantity of frequency converter is 1-5 platform.On switch board 6, be provided with control button.Electro connecting pressure gauge 9, the pressure sensor 8 on outlet pipe, some water pumps 4 on switch board 6 difference connecting fluid level sensors 7, inlet pipeline.
Between the water inlet end of municipal tap water pipe and non-negative pressure stabilized tank 1, be disposed with ductwork pressure checkout gear 15, strainer 17 and backflow preventer 18, on the water inlet end of non-negative pressure stabilized tank 1, be provided with equipment hanger 19 and liquid level sensor 7, on the water side of non-negative pressure stabilized tank 1, be provided with and clean blowoff valve 20 and blow vent 21.On the outlet pipe 5 of non-negative pressure water-supply installation, be provided with overpressure protection apparatus 16.
Between water inlet pipe 3 and outlet pipe 5, be provided with vacuum tank 10, a plurality of water pump 4 and bypass pipe 14, a plurality of water pumps 4 connect respectively switch board 6.Between a plurality of water pumps 4 and water inlet pipe 3, be provided with valve 12, between a plurality of water pumps 4 and outlet pipe 5, be disposed with the pipeline 13 that is flexible coupling, flap valve 11 and valve 12.Between vacuum tank 10 and water inlet pipe 3, be provided with valve, between vacuum tank 10 and outlet pipe 5, be disposed with flap valve 11 and valve 12.On bypass pipe 14, between water inlet pipe 3 and outlet pipe 5, be disposed with flap valve 11 and valve 12.
Non-negative pressure stabilized tank 1, water inlet pipe 3, outlet pipe 5, valve 12, flap valve 11, be flexible coupling 13, water pump 4, vacuum tank 10, be stainless steel (304 material) manufacture, guarantee tap water quality non-secondary pollution.
Below operating principle of the present utility model is further explained:
Non-negative pressure stabilized tank 1 in this non-negative pressure water-supply installation is directly connected with municipal tap water pipe network, water enters and is stored in non-negative pressure stabilized tank 1 from water inlet, by vacuum suppresser 2, suppress vacuum, can not produce negative pressure to municipal tap water pipe network, when the straight water ductwork pressure of municipal administration is enough, pressure sensor 8 is passed to frequency-conversion control cabinet 6 by the detected pressure value that the water side of outlet pipe 5 detected, the water pump 4 that frequency-conversion control cabinet 6 is controlled cuts out, and the bypass pipe 14 with municipal tap water by water inlet pipe and water outlet pipe directly supplies water to user.When the straight water ductwork pressure of municipal administration is not enough, pressure sensor 8 is passed to frequency-conversion control cabinet 6 by the detected pressure value of water side, frequency-conversion control cabinet 6 compares detected pressure value and setting value, calculate the force value that needs supercharging on original pressure-based of municipal tap water pipe network, determine number of units and water pump 4 frequency conversion output valves (pump rotary speed and frequency change) that water pump 4 puts into operation, to meet water curve, realize constant voltage.When municipal administration directly comes grid short-term to cut off the water or when water supply volume is greater than output, the interior storage water of non-negative pressure stabilized tank 1 replenish user is used; When the interior storage water of non-negative pressure stabilized tank 1 reaches in limited time lower, liquid level sensor 7, electro connecting pressure gauge 9 are passed to switch board 6 by signal, frequency-conversion control cabinet 6 powered-downs, equipment quits work, when municipal administration directly comes grid recover pressure and supply water, the water level of the storage water in non-negative pressure stabilized tank 1 rises, and liquid level sensor 7, electro connecting pressure gauge 9 are passed to frequency-conversion control cabinet 6 by signal, frequency-conversion control cabinet 6 power-on, equipment is resumed work.
Vacuum suppresser 2 in this frequency control non-negative pressure water-supply installation in non-negative pressure stabilized tank is stainless steel (304 material) manufacture.Stable performance, guarantees to suppress vacuum.
In this frequency control non-negative pressure water-supply installation, the number of units of the interior configuration frequency converter of switch board 6 is 1 to 5, in the present embodiment, water pump 4 number of units are 3, belong to dual-purpose one for type, and the number of units of the interior configuration frequency converter of switch board 6 is 2, make 2 work water pumps all in variable frequency water supply mode, more energy-conservation.
Advantage of the present utility model has: compared with prior art, this frequency control non-negative pressure water-supply installation has replaced traditional water tank, pond with non-negative pressure stabilized tank, saves construction investment, the secondary pollution of having avoided quoting water, hygienic environment-protecting.Can directly not come grid to produce negative pressure to municipal administration simultaneously, utilize to greatest extent the municipal original pressure that directly carrys out grid, energy-efficient, pump house customer interrupted still has water.
Person of ordinary skill in the field is to be understood that: in the situation that not departing from basic principle of the present utility model; can carry out various modifications, retouching, combination to the utility model, supplement or the replacement of technical characterictic, these are equal to substitute mode or within obviously mode of texturing all falls into protection domain of the present utility model.

Claims (5)

1. a non-negative pressure water-supply installation that is provided with pressure sensor, it is characterized in that: it comprises non-negative pressure stabilized tank, switch board, water inlet pipe, outlet pipe, a plurality of water pump and vacuum tank, described non-negative pressure stabilized tank connects water inlet, between described water inlet and described non-negative pressure stabilized tank, is disposed with ductwork pressure checkout gear, strainer and backflow preventer; The water inlet end of described non-negative pressure stabilized tank is provided with vacuum suppresser, equipment hanger and for measuring the liquid level sensor of water level, the water side of described non-negative pressure stabilized tank is provided with delivery port, support, cleaning blowoff valve and blow vent; Described delivery port connects described water inlet pipe; described water inlet pipe connects described outlet pipe; between described water inlet pipe and described outlet pipe, be provided with vacuum tank, a plurality of water pump and bypass pipe; described a plurality of water pump connects respectively described switch board; on described water inlet pipe, be provided with electro connecting pressure gauge, on described outlet pipe, be provided with pressure sensor and overpressure protection apparatus.
2. the non-negative pressure water-supply installation that is provided with pressure sensor according to claim 1, is characterized in that: described pressure sensor and overpressure protection apparatus connect respectively described switch board.
3. the non-negative pressure water-supply installation that is provided with pressure sensor according to claim 1, is characterized in that: the quantity of described water pump is 3.
4. the non-negative pressure water-supply installation that is provided with pressure sensor according to claim 3, is characterized in that: in described switch board, be provided with frequency converter, the quantity of described frequency converter is 2.
5. the non-negative pressure water-supply installation that is provided with pressure sensor according to claim 4, is characterized in that: the end of described outlet pipe is provided with valve.
CN201420063467.6U 2014-02-12 2014-02-12 Non-negative pressure water supply equipment with pressure sensor Expired - Fee Related CN203821499U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420063467.6U CN203821499U (en) 2014-02-12 2014-02-12 Non-negative pressure water supply equipment with pressure sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420063467.6U CN203821499U (en) 2014-02-12 2014-02-12 Non-negative pressure water supply equipment with pressure sensor

Publications (1)

Publication Number Publication Date
CN203821499U true CN203821499U (en) 2014-09-10

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108286278A (en) * 2018-04-04 2018-07-17 天津宏捷安装工程有限公司 A kind of pipe network pressure-superposed compression system of frequency conversion
CN108708432A (en) * 2018-05-29 2018-10-26 马鞍山松鹤信息科技有限公司 A kind of high service device
CN111456156A (en) * 2020-04-13 2020-07-28 安徽省阜阳市大洋消防器材有限公司 Intelligent water supply equipment and water supply system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108286278A (en) * 2018-04-04 2018-07-17 天津宏捷安装工程有限公司 A kind of pipe network pressure-superposed compression system of frequency conversion
CN108708432A (en) * 2018-05-29 2018-10-26 马鞍山松鹤信息科技有限公司 A kind of high service device
CN111456156A (en) * 2020-04-13 2020-07-28 安徽省阜阳市大洋消防器材有限公司 Intelligent water supply equipment and water supply system

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140910

Termination date: 20160212