CN101096855A

CN101096855A - Water source automatic switchover device

Info

Publication number: CN101096855A
Application number: CNA2007100701069A
Authority: CN
Inventors: 陈仁德
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-07-20
Filing date: 2007-07-20
Publication date: 2008-01-02

Abstract

The invention discloses a water source automatic switching device, which is characterized by the following: arranging main water source interface, auxiliary water source interface and water outlet interface on lateral face of container; communicating the interfaces to tee pipe separately; concatenating the main water source interface and the tee pipe to clack valve component and air-vent valve; concatenating the auxiliary water source interface and tee pipe to one-way valve; concatenating the water outlet interface and the tee pipe to flow sensor; connecting auxiliary water source detector to water level entry side of controller on inner wiring board. This invention possesses simple structure and lower cost.

Description

Water source automatic switchover device

Technical field:

The present invention relates to the automatic switchover device of plumbing technical field, particularly municipal water supply and auxiliary water source.

Background technology:

Along with the shortage day by day of water resource and the growth of water consumption, there are many places to face the predicament of lack of water; Advocate citizen's using water wisely all the time, and obtained certain effect.How a large amount of rainwater catchment systems being got up, is the more effective means that solves water scarcity.Current, rain water collecting system has been set up in some city, and the rainwater of extract collecting by water pump is irrigated, flushed the toilet etc., need manually come control of pump, as long as the running that water pump has water consumption just not stop, water pump damages easily.How rain water collecting system is applied to huge numbers of families, realizes the auxiliary automatically tap water of rainwater, be badly in need of at present a kind ofly can surveying the auxiliary water source, the equipment at the water source that can automatically switch again.

Summary of the invention:

The purpose of this invention is to provide a kind of water source automatic switchover device, can discern the auxiliary water source automatically, select the water source, and have the protection water pump function according to water supply volume.

The solution of the present invention is: be included in main suit interface, auxiliary water source interface, water outlet interface that the housing side is provided with, above-mentioned interface is communicated with T joint respectively, the main suit interface is connected in series check valve assembly and pressure regulator valve with T joint, the auxiliary water source interface is connected in series one way valve with T joint, the water outlet interface is connected in series flow inductor with T joint, and the water level input of the controller on auxiliary water source probe and the circuit board having built-in is connected.

The valve that is made of spool and valve seat is housed, spool bottom and adjustable spring touching in the housing bottom of pressure regulator valve.Form the arc chamber in the pressure regulator valve case top, spool passes valve seat top and is with by the spacing sealing mat of nut, and the spool bottom is provided with the diaphragm by screw, and housing is with bottom, and the adjusting screw(rod) in the bottom is with nut, nut and the touching of spring bottom.The valve seat outside is with filter mantle, and the valve seat upper end is with O-ring seals, and the spool bottom is with O-ring seals.

Check valve assembly is composed in series by two flap valve.The base of flow inductor is shaped on cylindrical cavity, and the induction float is movably installed in the cylindrical cavity, and magnet steel is flush-mounted in induction float afterbody, is fixed with magnet steel in the base, welds tongue tube on the wiring board that base top is equipped with admittedly; The loam cake left end is threaded with swivel nut, and loam cake and base through screws are fixed.Two magnet steel are arranged on the same horizon, between loam cake and the base sealing ring are housed, and swivel nut the inner is with three sealing rings.The wiring board of flow inductor is connected with circuit board having built-in, and the control output end of the controller on pump power control signal and the wiring board is connected.

Advantage of the present invention is: simple in structure, cost of production is lower, can be fit to family and use.The present invention realizes the automatic switchover at water source, need not artificial participation; Relatively little or when occurring slowly leaking, directly selection municipal water supply system water supply so not only prolongs water pump life-span but also power saving when water demand.Adopt special-purpose pressure regulator valve and flow inductor, performance is more reliable, and has power-off protection function.The above-mentioned rainwater resource that utilizes, the pressure of minimizing municipal water supply.

Description of drawings:

Fig. 1 is a longitudinal sectional view of the present invention.

Fig. 2 is pressure regulator valve 8 enlarged drawings among Fig. 1.

Fig. 3 is Fig. 2 explosive view.

Fig. 4 is flow inductor 5 structural representations among Fig. 1.

Fig. 5 is Fig. 4 explosive view.

Fig. 6 is an operating principle block diagram of the present invention.

The specific embodiment:

With reference to Fig. 1, housing 1 left end of water source automatic switchover device of the present invention is shaped on main suit interface I, and right-hand member is shaped on water outlet interface III, and the bottom is shaped on auxiliary water source interface II.T joint 6 left ends in the housing 1 are communicated with main suit interface I, are connected in series pressure regulator valve 8 and check valve assembly 9 between the two, and wherein check valve assembly 9 is composed in series by two flap valve, mix to prevent the water source.T joint 6 right-hand members are communicated with water outlet interface III, are connected in series flow inductor 5 between the two.T joint 6 bottoms are communicated with auxiliary water source interface II, are connected in series one way valve 3 between the two, prevent aqueous reflux.Wiring board 7 is installed in the housing 1, and the holding wire of auxiliary water source probe 10 penetrates housing 1 and is connected with the controller water level input of wiring board 7.Power line 11 is for the invention provides working power, by switch 4 controls; The open close controller by wiring board 7 of the power supply of pump power socket 2 is controlled; Water pump is installed on other places, auxiliary water source such as rainwater storage bin.

With reference to Fig. 2 and Fig. 3, pressure regulator valve 8 is formed shell by housing 86 and bottom 81, and its middle shell 86 is T shape chamber, the top is arc chamber 98, housing 86 left side intake antrums 96 are communicated with check valve assembly 9, and the right side water chamber is communicated with the left end of T joint 6, and the bottom inner chamber is equipped with valve.Wherein above-mentioned valve upwards inserts valve seat 87 by spool 88 and constitutes, and valve seat 87 peripheries are shaped on a plurality of through holes that flow into inner chamber for the main flow water source; Spool 88 passes valve seat 87 upper ends and is with sealing mat 90, and screw rod is made in spool 88 upper ends, and nut 89 is threaded onto this screw rod fixing seal pad 90.Valve seat 87 outsides are with filter mantle 92, form water stream channel 97 between valve seat 87 and the spool 88, and this passage 97 is communicated with arc chamber 98 and diaphragm 85 upper surfaces.Diaphragm 85 is equipped with in spool 88 bottoms, and screw 82 passes clamping piece 84, diaphragm 85 and is connected qualification diaphragm 85 with spool 88 bottoms.Spring 83 is housed, spring 83 upper ends and screw 82 touchings, bottom and nut 94 touchings that are inserted with screw rod 95 in the bottom 81; Bottom 81 bottom surfaces have circular hole, and this Circularhole diameter is less than the nut diameter of screw rod 95, and screw is cut and can be stretched into circular hole adjusting screw(rod) 95.Valve seat 97 upper ends are with O-ring seals 91, and spool 88 bottoms are with O-ring seals 93, increase sealing.

Pressure regulator valve 8 carries out the water source switching according to the pressure at two different water sources, mainly according to law of connected vessels, utilizes diaphragm 85 elastic reactions control arc chamber 98 pressure, by the folding between spool 88 and the valve seat 87, reaches the purpose of switching the water source.Under the original state, spool 88 moves under the promotion of spring 83, and spool 88 is opened with valve seat 87.When water outlet interface III consume water, main suit interface I internal pressure is greater than the pressure in the arc chamber 98, because valve seat 87 is opened with spool 88, the main flow water source supplies water, and from the peripheral through hole inflow of valve seat 87, the valve opening from valve seat 87 tops flows to arc chamber 98 again.When maximum value that the pressure in the arc chamber 98 is provided with greater than spring 83, arc chamber 98 is communicated with diaphragm 85 by water stream channel 97, hydraulic pressure promotes diaphragm 85 downwards, spool 88 overcomes spring 83 elastic force and moves down, spool 88 moves down, the valve opening of valve seat 87 is closed, and closes the main flow water source, and the pressure in arc chamber 98 is controlled within certain scope.Or when in the interface II of auxiliary water source being water-aspirator pressure when being higher than the pressure that regulator sets, hydraulic pressure promotes diaphragm 85 downwards, and spool 88 overcomes spring 83 elastic force and moves down, and valve seat 87 is closed with spool 88, closes the main flow water source and supplies water, and open the auxiliary water source.

With reference to Fig. 4 and Fig. 5, the loam cake 52 of flow inductor 5 is connected by screw 53 with base 51, is provided with sealing ring 58 between the two.Loam cake 52 left ends are shaped on the internal thread chamber, and swivel nut 57 is placed in this chamber, and swivel nut 57 right sides are provided with Sealing shield ring 56, cylindrical seal circle 64 and fusiformis sealing ring 55 successively.Wiring board 63 is installed on base 51 tops by screw 54, and this wiring board 63 is connected with circuit board having built-in 7.Base 51 left ends are shaped on cylindrical cavity, and 59 activities of induction float insert in this cylindrical cavity; Induction float 59 tail ends are equipped with magnet steel 60, are provided with the magnet steel 61 that is installed in base on the same horizon of magnet steel 60.The setting that repels each other of two

magnet steel

60,61, tongue tube 62 is equipped with in the upper end, and tongue tube 62 is welded on the wiring board 63 admittedly; The holding wire of wiring board 63 and power line pass from the axis hole of swivel nut 57, are connected with circuit board having built-in 7.

Flow inductor 5 utilizes the interaction of built-in magnet steel 60 with the base magnet steel 61 of induction float 59, and deciliter change of tongue tube 62 in magnetic field, detects the aqueous condition of using of water outlet interface III.During this device original state, induction float 59 base 51 in because its built-in magnet steel 60 and magnet steel 61 interaction forces are in a critical condition, when user's water, induction float 59 moves to magnet steel 61 directions owing to bourn acting force, changes of magnetic field tongue tube 62 deciliters and then changes, and this variable signal is sent on the controller of circuit board having built-in 7 by wiring board 63.When the user stopped water, magnet steel 60 made induction float 59 get back to the original place with magnet steel 61 interaction forces, and tongue tube 62 deciliters changes once more; These two

magnet steel

60,61 play the limit switch effect.Two

magnet steel

60,61 utilize the reaction mutual expelling force to replace conventional springs, avoid spring because of getting rusty in water for a long time, cause that elastic acting force changes, and water quality is influenced; In addition, can also remove the magnetize of hard water and turn usefulness into.

Operating principle is with reference to Fig. 6, and water pump 12 separately and by pipeline is connected with the present invention.Municipal water supply is that the main flow water source flows into pressure regulator valve 8 by check valve assembly 9.Reducing valve 8 delivery ports are connected with an interface end of T joint 6.Another interface end of T joint 6 flows to the user by flow inductor 5.The 3rd interface end of T joint 6 be connected with water pump 12 by one way valve 3.The present invention has comprised a low-tension supply and has been used for starting controller on the wiring board 7; The water source exploration device 10 that is installed in the relevant rainwater storage bin is wired on the controller of wiring board 7.

User's water need be responded to by flow inductor 5; Flow inductor 5 is provided with a threshold in advance, and the situation such as little leakage can not cause the unnecessary running of water pump 12.Water pump 12 is that the controller by wiring board 7 starts, and controller receives flow inductor 5 and is positioned at the signal that the water source exploration device 10 on the rainwater storage bin transmits and determines whether needing to start water pump 12.Have sufficient water and flow inductor 5 to detect the user to need water greater than predetermined value when water source exploration device 10 detects storage tank, controller starts water pump 12, makes pressure regulator valve 9 cut off the main flow water source by pressure change, selects the rainwater storage bin to supply water.When storage tank stores enough water, and the current that flow to the user are detected by flow inductor 5 and are lower than below the predetermined threshold, and controller does not start water pump 12, and supplying water is provided by the main flow water source, avoids water pump 12 repeated primings.When water source exploration device 10 detect the storage tank water storage low during with predetermined minimum starter switch off the pump 12 automatically, avoid water pump 12 anhydrous dried commentaries on classics.

When power failure or outage took place, pressure regulator valve 8 was in open mode, and the main flow water source provides water.Even if there are enough water users also can select the main flow water source in the rainwater storage bin, only need close switch 4 and cut off the electricity supply just passable.

Claims

1, water source automatic switchover device, be included in the main suit interface (I) that housing (1) side is provided with, auxiliary water source interface (II), water outlet interface (III), above-mentioned interface (I, II, III) be communicated with T joint (6) respectively, it is characterized in that main suit interface (I) is connected in series check valve assembly (9) and pressure regulator valve (8) with T joint (6), auxiliary water source interface (II) is connected in series one way valve (3) with T joint (6), water outlet interface (III) is connected in series flow inductor (5) with T joint (6), and the water level input of the controller on auxiliary water source probe (10) and the circuit board having built-in (7) is connected.

2, water source automatic switchover device according to claim 1 is characterized in that the valve that is made of spool (88) and valve seat (87) being housed, spool (88) bottom and adjustable spring (83) touching in housing (86) bottom of pressure regulator valve (8).

3, water source automatic switchover device according to claim 2, it is characterized in that forming in pressure regulator valve housing (86) top arc chamber (98), spool (88) passes valve seat (87) top and is with by the spacing sealing mat (90) of nut (89), spool (88) bottom is provided with by the fixing diaphragm (85) of screw (82), housing (86) is with bottom (81), adjusting screw(rod) (95) in the bottom (81) is with nut (94), nut (94) and the touching of spring (83) bottom.

4, water source automatic switchover device according to claim 3 is characterized in that valve seat (87) outside is with filter mantle (92), and valve seat (87) upper end is with O-ring seals (91), and spool (88) bottom is with O-ring seals (93).

5, water source automatic switchover device according to claim 1 is characterized in that check valve assembly (9) is composed in series by two flap valve.

6, water source automatic switchover device according to claim 1, the base (51) that it is characterized in that flow inductor (5) is shaped on cylindrical cavity, induction float (59) is movably installed in the cylindrical cavity, magnet steel (60) is flush-mounted in induction float (59) afterbody, be fixed with magnet steel (61) in the base (51), weld tongue tube (62) admittedly on the wiring board (63) that be equipped with at base (51) top; Loam cake (52) left end is threaded with swivel nut (57), and loam cake (52) and base (51) are fixing by screw (53).

7, water source automatic switchover device according to claim 6, it is characterized in that two magnet steel (60,61) are arranged on the same horizon, between loam cake (52) and the base (51) sealing ring (58) is housed, swivel nut (57) the inner is with three sealing rings (56,64,55).

8, water source automatic switchover device according to claim 6 is characterized in that the wiring board (63) of flow inductor is connected with circuit board having built-in (7), and the control output end of the controller on pump power control signal and the wiring board (7) is connected.