CN103669467A - Non-negative pressure water supply equipment - Google Patents
Non-negative pressure water supply equipment Download PDFInfo
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- CN103669467A CN103669467A CN201310613019.9A CN201310613019A CN103669467A CN 103669467 A CN103669467 A CN 103669467A CN 201310613019 A CN201310613019 A CN 201310613019A CN 103669467 A CN103669467 A CN 103669467A
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Abstract
The invention discloses non-negative pressure water supply equipment which comprises a water inlet pipe, a pressure stabilizing balancer, a supercharging device and a control cabinet. The water inlet pipe is connected with an inlet of the pressure stabilizing balancer, an outlet of the pressure stabilizing balancer is communicated with the supercharging device via a feed pump pipe network, an outlet of the supercharging device is communicated with a user pipe network via an outlet pipe network, the water inlet pipe is provided with a flow regulator, the outlet pipe network is provided with a pressure sensor, and an output end of the flow regulator and an output end of the pressure sensor are connected with the intelligent pressure superposing control cabinet. The non-negative pressure water supply equipment is characterized by further comprising a pressure compensating tank and a three-way valve, an outlet of the pressure compensating tank is arranged at one end of the three-way valve in a communicated manner, two other ends of the three-way valve are respectively communicated with the outlet pipe network and the feed pump pipe network, and a control end of the three-way valve is electrically connected with the intelligent pressure superposing control cabinet. The non-negative pressure water supply equipment has the advantages of stability in control and running and long service life.
Description
Technical field
The invention belongs to the water supply pressurized equipment field of tap water or other purposes water, is a kind of non-negative pressure water-supply installation specifically.
Background technology
Current in short supply along with the quickening of urbanization process and urban construction soil, city area is increasing, build more and more higher, affected by this, the laying area of city tap-water company city planting ductwork is increasing, more and more far away by the distance of water spot and water factory, in the situation that water factory's discharge pressure cannot improve, certainly will cause the whole pressure of supply water of water supply network more and more lower, in city, the place of pressure of supply water deficiency is also just more and more, in this case, city water supply secondary pressurized, highrise building secondary water-supply, the second pressure water supplies of residential quarter etc. need the place of water supply pressurization also more and more, meanwhile, consuming excessively of the energy causes ecological degeneration also to become unavoidable fact of the mankind.
Under this background, can make full use of municipal tap water pressure have obvious energy saving effect without negative pressure (laminating) supply equipment, become gradually the main flow supply equipment on market.Prior art:
If 1, common supply equipment is directly connected to city planting ductwork, when tap water supply is not enough, if water pump continues to draw water from city planting ductwork, can produces negative pressure and cause robbing water phenomenon, other users' of city planting ductwork pressure of supply water is reduced.Without negative pressure, < laminates) its technical characteristics of supply equipment can destroy negative pressure exactly when negative pressure produces, do not make negative pressure form, water pump no longer directly extracts the water of city planting ductwork simultaneously, but draws water from the preposition water tank of pump group, until the water in water tank exhausts.Therefore, without negative pressure, < laminates) supply equipment can directly be connected in series with tap water city planting ductwork, make full use of the water pressure of coming of tap water, realization laminates water supply, energy-saving run effectively, its shortcoming is to adopt intake method to destroy moment negative pressure, and due to moment being created in without belonging to common phenomenon in negative pressure laminating apparatus of negative pressure, frequent air inlet causes water supply pollution.2, in everybody normal water utilizing process, there is obvious water use peak phase and water low peak period, water supply volume has great variation, particularly the water at night is few, if at this moment rely on according to the water pump operation of peak period water supply volume design and supply few water, the huge waste that is undoubtedly a kind of energy, therefore, an air pressure tank < is set in supply equipment can be kept above user and need pressure or consistent and can store the tank body > of a part of water, out of service at water low peak period water pump, minority supplies water and is supplemented by air pressure tank, shut down pressurize, when water supply volume is large, restart water pump, the operation power consumption of supply equipment is saved greatly.This is also the technology of existing supply equipment more application.Air pressure tank function is limited, only plays pressure maintaining effect at night.3, existingly without negative pressure <, laminating) automated control technology of supply equipment is all to adopt by water pressure, constant equipment discharge pressure to be set according to user, by frequency converter, adjust the running frequency of water pump, the equipment discharge pressure of making is constant is all the time arranging force value, to meet user's water needs.Control mode is single, can not come the water yield to adjust equipment water outlet according to municipal administration.
Summary of the invention
According to above deficiency of the prior art, problem to be solved by this invention is to provide that a kind of controlling run is stable, a kind of non-negative pressure water-supply installation of long service life.
The present invention is that the technical scheme that technical solution problem adopts is: a kind of non-negative pressure water-supply installation, comprise water inlet pipe, voltage stabilizing equalizer, supercharging device and switch board, water inlet pipe connects the entrance of voltage stabilizing equalizer, the outlet of voltage stabilizing equalizer is communicated with supercharging device by entering pump line net, the outlet of supercharging device is communicated with house lead in pipe network by outlet pipe network, water inlet pipe arranges flow regulator, outlet network collocation pressure sensor, the output of flow regulator and pressure sensor is connected intelligence and laminates switch board, it is characterized in that: atmospheric pressure compensating tank and three-dimensional access valve are set, the outlet of atmospheric pressure compensating tank arranges one end of UNICOM's three-dimensional access valve, the other two ends of three-dimensional access valve are communicated with respectively outlet pipe network and enter pump line net, the control end of three-dimensional access valve is electrically connected to intelligence and laminates switch board.
Shutdown pressure holding function when air pressure tank both can have been realized low discharge water; can also be when the not enough generation of water inlet pipe tap water moment negative pressure; supplement water; destroy moment negative pressure; guarantee the normal operation of the equipment such as supercharging device; when water is not enough, supercharging device is from preposition water tank < voltage stabilizing equalizer) and air pressure tank absorb water simultaneously.
Wherein preferred version is:
Described three-dimensional access valve adopts three-way solenoid valve, and the common port of three-way solenoid valve is communicated with the outlet of air pressure tank, and two branch roads are communicated with respectively outlet pipe network and enter pump line net.A kind of example that can realize is provided.By intelligence, laminate the break-make of duplex channel of the signal controlling three-way solenoid valve of switch board.
Described voltage stabilizing equalizer arranges fluid level controller, and the output of fluid level controller is electrically connected to intelligence and laminates switch board.The water yield of being convenient to monitor in voltage stabilizing equalizer changes, so that control the startup of three-dimensional access valve.
The beneficial effect that a kind of non-negative pressure water-supply installation of the present invention has is:
Shutdown pressure holding function when 1, atmospheric pressure compensating tank both can have been realized low discharge water can also be supplemented water when the not enough generation of water inlet pipe tap water moment negative pressure, destroys moment negative pressure, guarantees the normal operation of equipment.When water is not enough, supercharging device is from preposition water tank < voltage stabilizing equalizer) and air pressure compensating tank water suction simultaneously, therefore, compared with prior art, store the water yield and want greatly, the time that can maintain water supply is longer.
2, compared to existing compensation without negative pressure laminating water supply equipment, without at water tank < voltage stabilizing equalizer) in minute chamber design, device manufacturing process is simple, working service is convenient.
3, negative pressure canceller is except possessing the effect of eliminating long-time negative pressure, also possess in time the gas producing due to pipeline fluctuating in city planting ductwork water is discharged in time, the water pump of avoiding gas to enter supercharging device forms the damage that cavitation erosion causes water pump vane, effectively extends the application life of water pump.
4, control technology is more advanced.When tap water water is not enough; control system can be controlled flow regulator and reduce to come the water yield; to guarantee the protection pressure of city planting ductwork; automatically the outlet of reduction equipment arranges pressure simultaneously; thereby minimizing water yield; although can not guarantee so all users' water, compared with prior art water pump assembly, exhaust and store water and can only stop supplying water and cause all users and cut off the water, be undoubtedly a kind of significant progress.
5, be equipped with chlorination equipment, can guarantee the pollution-free of water quality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Wherein: 1, water inlet pipe 2, flow regulator 3, voltage stabilizing equalizer 4, atmospheric pressure compensating tank 5, three-dimensional access valve 6, user's pipeline 7, intelligence laminate switch board 8, pressure sensor 9, outlet pipe network 10, supercharging device 11, enter pump line net 12, fluid level controller 13, chlorination equipment 14, negative pressure canceller.
Specific embodiments
Below in conjunction with accompanying drawing, embodiments of the invention are described
Embodiment 1:
As shown in Figure 1, water inlet pipe 1 connects the entrance of voltage stabilizing equalizer 3, and voltage stabilizing equalizer 3 arranges negative pressure canceller 14, and the outlet of voltage stabilizing equalizer 3 arranges chlorination equipment 13, by entering pump line net 11, be communicated with supercharging device 10, the outlet of supercharging device 10 is communicated with house lead in pipe network 6 by outlet pipe network 9.Water inlet pipe 1 arranges flow regulator 2, and outlet pipe network 9 arranges pressure sensor 8, and the output of flow regulator 2 and pressure sensor 8 is connected intelligence and laminates switch board 7.The outlet of atmospheric pressure compensating tank 4 arranges one end of UNICOM's three-dimensional access valve 5, and the other two ends of three-dimensional access valve 5 are communicated with respectively outlet pipe network 9 and enter pump line net 11, and the control end of three-dimensional access valve 5 is electrically connected to intelligence and laminates switch board 7.Voltage stabilizing equalizer 3 arranges fluid level controller 12, and the output electricity Kui of fluid level controller 12 connects intelligence and laminates switch board 7.The water yield of being convenient to monitor in voltage stabilizing equalizer 3 changes, so that control the startup of three-dimensional access valve 5.
Three-dimensional access valve 5 adopts three-way solenoid valve, and the common port of three-way solenoid valve is communicated with the outlet of air pressure tank 4, and two branch roads are communicated with respectively outlet pipe network 9 and enter pump line net 11.The break-make of the duplex channel of the signal controlling three-way solenoid valve by switch board 7.
Supercharging device 10 comprises valve, connecting hose, eccentric reducer, booster pump group and flap valve etc., and its setting and use are common prior art.
Shutdown pressure holding function when atmospheric pressure compensating tank both can have been realized low discharge water; can also be when the tap water deficiency of water inlet pipe; supplement water; guarantee the normal operation of the equipment such as supercharging device; when water is not enough, supercharging device is from preposition water tank < voltage stabilizing equalizer) and air pressure tank absorb water simultaneously.
The intelligence that the present invention mentions laminates the setting of switch board 7 and flow regulator 2, pressure sensor 8, supercharging device and uses as common prior art, and by the industry, technician is grasped.
Operating principle and use procedure:
According to waterworks, need to set an impossible constant-pressure value, or sometime section pressure set points.If water inlet pipe 1 comes water pressure higher than outlet pipe network 9 setting pressures, pressure sensor on current stabilization equalizer 3 sends ductwork pressure to intelligence and laminates switch board 7, after microcomputer digital processing, control system is adjusted automatically, supercharging device 10 is in stopped status, and municipal water can directly supply water to user by supercharging device 10 and user's pipe network; Water pump assembly does not move, do not consume energy, and energy conservation.
If water inlet pipe 1 comes water pressure lower than outlet pipe network 9 setting pressures, one or more force (forcing) pump that control system starts supercharging device 10 successively by converter low-frequency is to 9 pressurizations of outlet pipe network.Water under high pressure after part pressurization is simultaneously crossed three-dimensional access valve 5 from outlet Netcom and is entered 4 storages of atmospheric pressure compensating tank, at this moment pressure sensor 8 is sent in real time intelligence by outlet pipe network 9 change value of pressure and laminates the frequency converter in switch board 7, by PID function, adjust output frequency, thereby adjusting pump rotary speed, keeps constant pressure near setting value, when user's water supply volume increases to single pump and can not meet setting pressure, the automatic conversion of system moved water pump into power frequency running, and next water pump of low-frequency start simultaneously, until outlet pressure meets setup pressure value, on the contrary, when user's water water supply volume declines, system is stopped general pump automatically, keeps variable frequency pump, when user is during without water, frequency is down to when setting sleep frequency and surpassing setting-up time, and supercharging device 10 is shut down, and by atmospheric pressure compensating tank 4, maintains outlet pipe network 9 outlet pressures, enters low discharge and shuts down packing state, realizes energy-saving run function at night, when the force value of pressure sensor 8, be down to and set lower prescribing a time limit, supercharging device 10 puts into operation again, when water inlet pipe 1 water pressure decreased is to setting protection value, during lower than equipment design water pressure, three-dimensional access valve 5 reverse openings, atmospheric pressure compensating tank 4 discharges water under high pressure by entering pump line net 11 and the supplementary city planting ductwork water of supercharging device 10, make equipment not produce moment negative pressure, flow regulator 2 starts simultaneously, reduce water inlet pipe 1 flow, to keep city planting ductwork protection pressure, while intelligence laminates control system and automatically reduces outlet pressure setting value, Jin Gong low layer certain customers water, the not enough pressure compensation tank of long-time water water under high pressure discharges when complete, the negative pressure canceller that is arranged on voltage stabilizing equalizer 3 tops is opened, guarantee that negative pressure can not continue to form, until the water level in voltage stabilizing equalizer 3 is shut down after dropping to the lower limit that fluid level controller 12 sets, after city planting ductwork comes water pressure to recover normally, 14 of negative pressure cancellers will be closed after unnecessary gas discharging, and unit restarts water supply.
During power failure, supercharging device 10 quits work, and tap water can enter user's pipe network by unit, guarantees that low layer user supplies water; After incoming call, unit recovers original program normal water supply through self check.
Claims (3)
1. a non-negative pressure water-supply installation, comprise water inlet pipe, voltage stabilizing equalizer, supercharging device and switch board, water inlet pipe connects the entrance of voltage stabilizing equalizer, the outlet of voltage stabilizing equalizer is communicated with supercharging device by entering pump line net, the outlet of supercharging device is communicated with house lead in pipe network by outlet pipe network, water inlet pipe arranges flow regulator, outlet network collocation pressure sensor, the output of flow regulator and pressure sensor is connected intelligence and laminates switch board, it is characterized in that: atmospheric pressure compensating tank and three-dimensional access valve are set, the outlet of atmospheric pressure compensating tank arranges one end of UNICOM's three-dimensional access valve, the other two ends of three-dimensional access valve are communicated with respectively outlet pipe network and enter pump line net, the control end of three-dimensional access valve is electrically connected to intelligence and laminates switch board.
2. a kind of non-negative pressure water-supply installation according to claim 1, is characterized in that: described three-dimensional access valve adopts three-way solenoid valve, and the common port of three-way solenoid valve is communicated with the outlet of air pressure tank, and two branch roads are communicated with respectively outlet pipe network and enter pump line net.
3. a kind of non-negative pressure water-supply installation according to claim 1, is characterized in that: described voltage stabilizing equalizer arranges fluid level controller, and the output of fluid level controller is electrically connected to intelligence and laminates switch board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310613019.9A CN103669467A (en) | 2013-11-19 | 2013-11-19 | Non-negative pressure water supply equipment |
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| CN201310613019.9A CN103669467A (en) | 2013-11-19 | 2013-11-19 | Non-negative pressure water supply equipment |
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| CN103669467A true CN103669467A (en) | 2014-03-26 |
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| CN201310613019.9A Pending CN103669467A (en) | 2013-11-19 | 2013-11-19 | Non-negative pressure water supply equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043475A (en) * | 2019-05-22 | 2019-07-23 | 苏州市苏水实业发展有限公司 | A kind of water wheels pump-type laminates water supply process |
| CN111997143A (en) * | 2020-08-26 | 2020-11-27 | 蒋介中 | Energy-saving optimized pipe network pressure-superposed water supply control system |
-
2013
- 2013-11-19 CN CN201310613019.9A patent/CN103669467A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043475A (en) * | 2019-05-22 | 2019-07-23 | 苏州市苏水实业发展有限公司 | A kind of water wheels pump-type laminates water supply process |
| CN110043475B (en) * | 2019-05-22 | 2024-05-28 | 苏州市苏水实业发展有限公司 | Water turbine pump type laminated water supply process |
| CN111997143A (en) * | 2020-08-26 | 2020-11-27 | 蒋介中 | Energy-saving optimized pipe network pressure-superposed water supply control system |
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Application publication date: 20140326 |