A kind of Waterpower regulating valve of automatic control
Technical field
The utility model relates to a kind of Waterpower regulating valve, especially relates to a kind of Waterpower regulating valve of automatic control.
Background technology
Hydraulic control valve is exactly the valve of hydraulic pressure control, and hydraulic control valve is made up of a main valve and the Dao Guan ﹑ Dao Fa ﹑ Zhen Fa ﹑ ball valve set up and tensimeter etc.Distant control can be developed into according to the use ﹑ function of order and the difference in place to float ball valve ﹑ and subtract the slow non-return valve ﹑ stream amount control valve ﹑ that closes of pressure valve ﹑ and let out and press valve ﹑ hydro electric brake control valve, control valve for water pump etc.Want mounting filter before hydraulic control valve, and the requirement of blowdown should be convenient to.
Existing waterpower regulating and controlling valve is just mechanical type adjustment generally, adjustment form is more single, and staff must arrive scene regulates, and compares and wastes time and energy, do not accomplish automatically to control as required and Long-distance Control, be not easy to the adjustment realizing function of time type.
Chinese patent CN104235480A discloses a kind of hydraulic control valve, comprise valve gap, barrier film, guide rod, spring, valve body, flap, valve seat, also comprise diaphragm train wheel bridge, diaphragm lower plate, barrier film seat, barrier film seat is provided with between described valve gap and valve body, diaphragm train wheel bridge is disposed with from top to bottom between valve gap and barrier film seat, barrier film, diaphragm lower plate, described diaphragm train wheel bridge, diaphragm lower plate is divided into epicoele and cavity of resorption by between valve gap and barrier film seat, described guide rod is successively through diaphragm train wheel bridge, barrier film, diaphragm lower plate, barrier film seat, guide rod end is connected with flap, described flap is arranged on valve seat, described spring housing is connected on guide rod, this hydraulic control valve is by the design of epicoele and lower chamber structure, improve switch performance, but aperture can only be regulated by pressure reduction, thus adjust flux, can not automatically according to pressure ducted after valve and automatic control valve for flow aperture.
Utility model content
The purpose of this utility model is exactly provide the Waterpower regulating valve of the automatic control that a kind of self-control is strong, safe and reliable, structure is simple, easy to operate to overcome defect that above-mentioned prior art exists.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of Waterpower regulating valve of automatic control, comprise the waterpower adjustment main valve be arranged on current-regulating voltage-regulating main pipeline and the control water loop be connected with the control chamber of waterpower adjustment main valve, described control water loop is provided with the first ball valve, second ball valve, first needle-valve and the second needle-valve, the first described ball valve, second ball valve, first needle-valve, the control chamber of waterpower adjustment main valve and the second needle-valve are by stainless-steel tube and joint composition loop, described control water loop also comprise be arranged on the first needle-valve and waterpower adjustment main valve control chamber between the first solenoid valve, the electric cabinet being arranged on the second solenoid valve between the control chamber of waterpower adjustment main valve and the second needle-valve and being connected with the first solenoid valve and the second solenoid valve respectively.
Described control water loop also comprises and is arranged on pressure transducer on the current-regulating voltage-regulating main pipeline of waterpower adjustment main valve downstream or flow sensor, and described pressure transducer or flow sensor are connected with electric cabinet.
Described flow sensor is the adjustable flow sensor of inductive flow range, and described pressure transducer is the adjustable pressure transducer of induction pressure range.
Described control water loop also comprises the filtrator be arranged between the first ball valve and the second ball valve.
Described filtrator is y-type filter.
Described control water loop is also provided with the 3rd ball valve and tensimeter, described tensimeter is connected between the control chamber of the first ball valve and waterpower adjustment main valve by the 3rd ball valve.
Described waterpower adjustment main valve is diaphragm type hydraulic operated main valve.
Described electric cabinet is also provided with communication interface and display screen.
The first described ball valve, the second ball valve and the 3rd ball valve are maintenance ball valve.
Compared with prior art, the utility model has the following advantages:
One, self-control is strong: the utility model passes through pressure or the flow in pressure transducer or the flow sensor induction waterpower adjustment main valve downstream arranged on the current-regulating voltage-regulating main pipeline of waterpower adjustment main valve downstream, after electric cabinet inside carries out arranging threshold value and analysis, control to be arranged on by electric cabinet and control the break-make that the first solenoid valve in water loop and the second solenoid valve control water loop automatically, achieve the function of control automatically.
Two, safe and reliable: by arranging the pressure in three maintenance ball valves and tensimeter monitoring water loop in control water loop of the present utility model, filtrator ensures the cleaning of water quality simultaneously, prevents sewage from destroying the normal regulatory function of waterpower adjustment main valve.
Three, structure is simple, easy to operate: the utility model has only added an electric cabinet, a sensor and two solenoid valves and just achieved automatic control, reduces operation easier, is convenient to inspection and maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the structural representation of embodiment 2.
Wherein: 1, current-regulating voltage-regulating main pipeline, 2, water loop is controlled, 3, electric cabinet, MV, waterpower adjustment main valve, BV1, the first ball valve, BV2, the second ball valve, BV3, the 3rd ball valve, NV1, the first needle-valve, NV2, the second needle-valve, YV1, the first solenoid valve, YV2, the second solenoid valve, SP, pressure transducer, P, tensimeter, F, flow sensor.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment 1:
As shown in Figure 1, a kind of Waterpower regulating valve of automatic control, comprise the waterpower adjustment main valve MV be arranged on current-regulating voltage-regulating main pipeline 1 and the control water loop 2 be connected with the control chamber of waterpower adjustment main valve MV, control water loop 2 and be provided with the first ball valve BV1, second ball valve BV2, first needle-valve NV1 and the second needle-valve NV2, first ball valve BV1, second ball valve BV2, first needle-valve NV1, the control chamber of waterpower adjustment main valve MV and the second needle-valve NV2 are by stainless-steel tube and joint composition loop, control water loop 2 also comprise be arranged on the first needle-valve NV1 and waterpower adjustment main valve MV control chamber between the first solenoid valve YV1, the electric cabinet 3 being arranged on the second solenoid valve YV2 between the control chamber of waterpower adjustment main valve MV and the second needle-valve NV2 and being connected with the first solenoid valve YV1 and the second solenoid valve YV2 respectively.
Control water loop 2 and also comprise the pressure transducer SP be arranged on waterpower adjustment main valve MV downstream current-regulating voltage-regulating main pipeline 1, pressure transducer SP is connected with electric cabinet 3, pressure transducer SP is the adjustable pressure transducer of induction pressure range, and pressure transducer SP can select its induction pressure scope as required.
Control water loop 2 and also comprise the filtrator STR be arranged between the first ball valve BV1 and the second ball valve BV2, filtrator STR is y-type filter, and regularly can pull down cleaning, control water loop 2 is also provided with the 3rd ball valve BV3 and tensimeter P, tensimeter P is connected between the control chamber of the first ball valve BV1 and waterpower adjustment main valve MV by the 3rd ball valve BV3.
Electric cabinet 3 is also provided with communication interface and display screen, electric cabinet 3 can pressure setting scope as required after variable valve, and can pressure after the Waterpower regulating valve that controls of real time inspection on electric cabinet 3, realize the object of remote monitoring Waterpower regulating valve thus.
Embodiment 2:
As shown in Figure 2, control water loop 2 and also comprise the flow sensor F be arranged on waterpower adjustment main valve MV downstream current-regulating voltage-regulating main pipeline 1, flow sensor F is connected with electric cabinet 3 respectively, flow sensor F is the adjustable flow sensor of inductive flow range, the flow range that flow sensor F can select it to respond to as required.
Electric cabinet 3 is also provided with communication interface and display screen, electric cabinet 3 can regulate the setting range by valve flow as required, and on electric cabinet 3 can real time inspection by the flow of Waterpower regulating valve, realize the object of remote monitoring Waterpower regulating valve thus, the remainder in the present embodiment is all identical with embodiment 1.
Principle of work of the present utility model is:
Waterpower adjustment main valve MV is diaphragm type hydraulic operated main valve, waterpower adjustment main valve MV is arranged on current-regulating voltage-regulating main pipeline 1, pressure or the flow of this valve place pipeline can be regulated as required at any time, electric cabinet 3 judges after receiving pressure signal that pressure transducer SP sends or the flow signal that flow sensor F sends, when downstream pressure or by the flow of this valve higher than setting value time, electric cabinet 3 controls to close after the first solenoid valve YV1 must conduct certain hour, the time of the first solenoid valve YV1 conducting sets according to actual needs, second solenoid valve YV2 not be electricly in closed condition, the control chamber water inlet pressurization of waterpower adjustment main valve MV, the spool of waterpower adjustment main valve MV moves down into a certain position, after first solenoid valve YV1 dead electricity, waterpower adjustment main valve MV is in the lock state, the pressure signal received or flow signal continue to adjust and judge pressure now or flow whether in setting range by electric cabinet 3, repeatedly after circulation, until downstream pressure or the flow by this valve are in the scope of set pressure or flow, first solenoid valve YV1 no longer electric, the spool of waterpower adjustment main valve MV stops moving down and being locked in this position, when downstream pressure or when passing through this valve flow lower than setting value, electric cabinet 3 controls to close after the second solenoid valve YV2 must conduct certain hour, the time of the second solenoid valve YV2 conducting sets according to actual needs, first solenoid valve YV1 not be electricly in closed condition, the control chamber water outlet pressure release of waterpower adjustment main valve MV, the spool of waterpower adjustment main valve MV rises to a certain position, after second solenoid valve YV2 dead electricity, waterpower adjustment main valve MV is in the lock state, the pressure signal received or flow signal continue to adjust and judge pressure now or flow whether in setting range by electric cabinet 3, repeatedly after circulation, until downstream pressure or the flow by this valve are in setting range, second solenoid valve YV2 no longer electric, the spool of waterpower adjustment main valve MV stops rising and being locked in this position, after valve, current-regulating voltage-regulating main pipeline 1 recovers normal pressure setting value or flow setting value, thus the equipment on current-regulating voltage-regulating main pipeline 1 is normally worked.