CN201276721Y - Non-negative pressure water supply equipment with flow regulation function - Google Patents

Abstract

The utility model discloses a non-negative pressure water supply device with flux adjusting function, which comprises an electric control box and a water storage tank, wherein the water inlet end of the water storage tank is communicated with a tap water pipe via a water inlet pipe; the water inlet pipe is mounted with a pipeline controller; the water outlet end of the water storage tank is mounted with a water outlet pipe; a main water pipe is communicated between the water outlet pipe and a user water pipe; the main water pipe is mounted with a water pump and a one-way valve; the water pump is electrically connected with the electric control box; a bypass water pipe is connected between the tap water pipe and the main water pipe and is connected with the water outlet pipe in parallel; the bypass water pipe is mounted with an electric control valve; the main water pipe is connected with an auxiliary water pipe in parallel; the auxiliary water pipe is mounted wit a one-way valve; the water outlet pipe of the water storage tank is mounted with a one-way valve; the tap water pipe is mounted with a pressure meter; the pressure meter and the electric control valve are electrically connected with the electric control box. The water supply device has small occupied space, can utilize the pressure of tap water, has large flux adjustment range, is suitable for the water supply of buildings, and especially for the water supply of the buildings with high water consumption.

Description

The non-negative pressure water-supply installation of band flow regulating function

Technical field

The utility model relates to the non-negative pressure water-supply installation of being with flow regulating function.

Background technology

At present, the tap water booster station, the bigger water-supplying unit of water supply volume such as large-scale public buildings and large-scale sub-district, what adopt mostly when tap water pressure and underfed is that the mode that pressurization is supplied water supplies water, this supply equipment mainly comprises electrical control cubicles and storage tank, the water inlet end of storage tank is communicated with running water pipe by water inlet pipe, pipe controller is installed on the water inlet pipe, can after being full of water, storage tank cut off water inlet pipe automatically, the water side of storage tank is equipped with outlet pipe, be communicated with water main between outlet pipe and the service pipe, water pump and one way valve are installed on the water main, water pump is electrically connected with the electrical control cubicles formation, its operating principle is all to be put into tap water in the storage tank, make hydraulic pressure reduce to zero, and then the user is supplied with in the pressurization back of the water in the storage tank by water pump, the weak point of this supply equipment is: 1, during tap water supply, tap water has certain pressure, after in being put into water tank, its pressure reduces to zero, the pressure that tap water carries is not utilized, and is wasted; 2, the required tap water of user is all from water tank, and in order to satisfy water requirements, the volume of water tank need be done very greatly, and floor space is big; 3, the flow regulating function of traditional water supply equipment is relatively poor, is difficult to satisfy water demand during user's water use peak especially.

The utility model content

The technical problems to be solved in the utility model is to provide a kind of at above-mentioned deficiency to take up room for a short time, can utilize tap water hydraulic, and the big non-negative pressure water-supply installation of flow adjustment range.

For solving the problems of the technologies described above, the non-negative pressure water-supply installation of this band flow regulating function, comprise electrical control cubicles and storage tank, the water inlet end of storage tank is communicated with running water pipe by water inlet pipe, pipe controller is installed on the water inlet pipe, the water side of storage tank is equipped with outlet pipe, be communicated with water main between outlet pipe and the service pipe, water pump and one way valve are installed on the water main, water pump is electrically connected with the electrical control cubicles formation, its design feature is: be connected with the Bypass hose in parallel with outlet pipe between running water pipe and the water main, electrically-controlled valve is installed on the Bypass hose, be parallel with secondary water pipe on the water main, on the secondary water pipe one way valve is installed, one way valve also is installed on the outlet pipe of storage tank, pressure meter is installed, pressure meter on the running water pipe, electrically-controlled valve is electrically connected with the electrical control cubicles formation.

Itself have certain pressure during tap water supply, tap water is water-filling in storage tank at first, when storage tank is filled, pipe controller on the storage tank water inlet pipe cuts off the water supply path automatically, tap water stops to the storage tank water-filling, by outlet pipe water-filling in jar of storage tank, on the outlet pipe of storage tank one way valve is installed when preventing that tap water pressure is too high, guarantee that water can only flow out from the outlet pipe of storage tank, can not flow to from outlet pipe; When tap water pressure satisfies water requirements, electrical control cubicles is by being installed in the force value that pressure meter on the running water pipe detects tap water, water pump on electrical control cubicles control water main and the standby water pipe is shut down, water main and standby water pipe are closed condition, electrically-controlled valve on the electrical control cubicles control Bypass hose is opened, tap water supplies water to the user by Bypass hose and secondary water pipe, causing tap water pours in down a chimney in the service pipe, pipeline is impacted in order to prevent that tap water supply pressure from reducing suddenly, one way valve is installed on the Bypass hose, so this supply equipment can utilize tap water self hydraulic pressure to supply water, and has saved the energy greatly; When tap water self hydraulic pressure does not satisfy water supply requirement, electrically-controlled valve on the electrical control cubicles control Bypass hose is closed, and the water pump on the startup water main, water pump is delivered to service pipe after the water in the storage tank is pressurizeed, because be the storage tank water storage that adopts, so water pump produces negative pressure at the Shi Buhui that draws water, in order to reduce of the impact of the electric current of water pump when starting and stopping to water pump, electrical control cubicles adopts variable frequency control to water pump, variable frequency control can also realize the real-time control to water supply flow, when water supply volume low speed water supply after a little while, when water supply volume supplies water at a high speed for a long time, can satisfy user's different demands, in order to prevent to have a power failure suddenly, water in the service pipe causes down drop impact to water pump, on water main and standby water pipe one way valve is installed all.

As improvement, more reliable in order to guarantee the supply equipment operation, also be parallel with standby water pipe on the water main, water pump and one way valve are installed on the standby water pipe, water pump is electrically connected with the switch board formation.

Can be used as reserve pump when the water pump of the water pump on the standby water pipe on water main damages and use, also can be used alternatingly, reduce the application life of water pump to avoid single water pump to work long hours with the water pump on the water main.

As a kind of implementation, described pipe controller is an electric control valve.

Realize control to pipeline can reducing people's manual labor by electric control valve, improved the automaticity of supply equipment.

As another kind of implementation, described pipe controller is a float valve.

Float valve can utilize self buoyancy to close or open pipeline automatically according to the height of liquid level in the storage tank, and is very convenient.

In sum, adopt the non-negative pressure water-supply installation of the band flow regulating function of this structure, it is little to take up room, and can utilize tap water hydraulic, and flow adjustment range is big, and suitable building supply water and use, and is particularly suitable for the big building of water demand amount and uses.

Description of drawings

In conjunction with the accompanying drawings the utility model is described in further detail:

Fig. 1 is a structural representation of the present utility model.

Among the figure: 1 is electrical control cubicles, and 2 is running water pipe, and 3 is service pipe, 4 is water main, and 5 is electrically-controlled valve, and 6 is water pump, 7 is one way valve, and 8 is storage tank, and 9 is content gauge, 10 is float valve, and 11 is pressure meter, and 12 is flap valve, 13 is gate valve, and 14 is Bypass hose, and 15 is secondary water pipe, 16 is standby water pipe, and 17 is water inlet pipe, and 18 is outlet pipe.

The specific embodiment

As shown in the figure, the non-negative pressure water-supply installation of this band flow regulating function comprises electrical control cubicles 1, also comprise storage tank 8, the water inlet end of storage tank 8 is communicated with running water pipe 2 by water inlet pipe 17, the water side of storage tank 8 is by being equipped with outlet pipe 18, outlet pipe 18 is communicated with service pipe 3 by water main 4, water pump 6 and one way valve 7 are installed on the water main 4, water pump 6 is accepted the variable frequency control of electrical control cubicles 1, can according to how many automatic rotating speeds of regulating water pump 6 of user's water supply volume, one way valve 7 can be avoided impact at the supply water protection water pump 6 that has a power failure suddenly when causing water column service pipe 3 in to fall of water pump 6, in order to prevent that one way valve 7 long-term works from causing losing efficacy, flap valve 12 and gate valve 13 also are installed on water main 4, can water main be cut off so that maintenance out of control the grade under the fortuitous event of water pipe; For the ease of detecting the liquid level of storage tank 8, content gauge 9 is installed in the storage tank 8, content gauge 9 will detect liquid level signal and send electrical control cubicles 1 to, cut off the water inlet pipe of storage tank 8 automatically in order to make storage tank 8 after being full of water, and water inlet pipe 17 ends of storage tank 8 are equipped with float valve 10; In order to utilize tap water self hydraulic pressure to supply water, running water pipe 2 is communicated with the Bypass hose in parallel with outlet pipe 14 with the water inlet end of water main 4, also be parallel with secondary water pipe 15 on the water main 4, when self hydraulic pressure of tap water satisfies water requirements, tap water supplies water to the user by Bypass hose 14 and secondary water pipe 15, has avoided the drawback that tap water flows in the storage tank 8 earlier so that hydraulic pressure wastes in the traditional water supply equipment; In order to prevent that the too high and outlet pipe 18 by storage tank 8 of tap water hydraulic from flowing in the storage tank 8, is equipped with one way valve 7 on the outlet pipe 18 of storage tank 8; Damage and the water supply of can't pressurizeing in order to prevent that water main 4 is in operation, on water main 4, also be parallel with standby water pipe 16, water pump 6, one way valve 7, flap valve 12 and gate valve 13 are installed on the standby water pipe 16, this water pump 6 is accepted the variable frequency control of electrical control cubicles 1 equally, standby water pipe 16 both can be used alternatingly to increase the application life of water pump 6 with water main 4, can work simultaneously to increase pressure of supply water with water main 4 again; For the ease of detecting tap water hydraulic, on running water pipe 2 and service pipe 3, pressure meter 11 is installed, pressure meter 11 sends hydraulic signal to electrical control cubicles 1, electrical control cubicles 1 is judged tap water self hydraulic pressure according to hydraulic signal and whether is satisfied user's water requirements, when tap water self hydraulic pressure satisfies user's water demand, 1 pair of water pump 6 of electrical control cubicles sends stopping signal, and tap water supplies water to service pipe 3 by Bypass hose 14 and secondary water pipe 15; When tap water self hydraulic pressure is crossed low and is not satisfied user's water demand, electrical control cubicles 1 is sent starting-up signal to water pump 6, whether the hydraulic pressure that detects service pipe 3 simultaneously satisfies the demands, and then adjust the quantity of the rotating speed and the water pump 6 of water pump 6 in real time according to this hydraulic signal, discharge pressure up to water pump 6 satisfies user's water demand, in order to guarantee that 6 on water pump draws water in the storage tank 8 and do not rob water in Bypass hose 14, electrically-controlled valve 5 is installed on Bypass hose 14, electrically-controlled valve 5 is accepted the control of electrical control cubicles 1, and electrically-controlled valve 5 was closed before starting water pump 6 in advance; When preventing that water pump 6 from supplying water, the water that flows out from water pump 6 flows back to water pump 6 again through secondary water pipe 15, on the secondary water pipe 15 one way valve 7 is installed; Water in the storage tank 8 are drained and dallied in order to prevent water pump 6; electrical control cubicles 1 is cut off water pump 6 power supplys automatically according to the signal of content gauge 9, thereby plays the purpose of protection water pump, when being full of water once more in the storage tank 8; electrical control cubicles 1 control of pump 6 starts once more, thereby reaches the purpose of timely water supply.

In this supply equipment, electrical control cubicles 1 has adopted frequency conversion control technique, because converter technique belongs to known technology, no longer carefully states at this.

Claims (4)

1, the non-negative pressure water-supply installation of band flow regulating function, comprise electrical control cubicles (1) and storage tank (8), the water inlet end of storage tank (8) is communicated with running water pipe (2) by water inlet pipe (17), water inlet pipe is equipped with pipe controller on (17), the water side of storage tank (8) is equipped with outlet pipe (18), be communicated with water main (4) between outlet pipe (18) and the service pipe (3), water pump (6) and one way valve (7) are installed on the water main (4), water pump (6) is electrically connected with electrical control cubicles (1) formation, it is characterized in that: be connected with the Bypass hose (14) in parallel between running water pipe (2) and the water main (4) with outlet pipe (18), electrically-controlled valve (5) is installed on the Bypass hose (14), be parallel with secondary water pipe (15) on the water main (4), on the secondary water pipe (15) one way valve (7) is installed, on the outlet pipe (18) of storage tank (8) one way valve (7) is installed also, pressure meter (11) is installed, pressure meter (11) on the running water pipe (2), electrically-controlled valve (5) is electrically connected with electrical control cubicles (1) formation.

2, the non-negative pressure water-supply installation of band flow regulating function as claimed in claim 1, it is characterized in that: also be parallel with standby water pipe (16) on the water main (4), water pump (6) and one way valve (7) are installed on the standby water pipe (16), and water pump (6) is electrically connected with switch board (1) formation.

3, the non-negative pressure water-supply installation of band flow regulating function as claimed in claim 1 or 2 is characterized in that: described pipe controller is an electric control valve.

4, the non-negative pressure water-supply installation of band flow regulating function as claimed in claim 1 or 2 is characterized in that: described pipe controller is float valve (10).

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