CN110332357A - A kind of aperture valve actuator of auto-manual - Google Patents
A kind of aperture valve actuator of auto-manual Download PDFInfo
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- CN110332357A CN110332357A CN201910570600.4A CN201910570600A CN110332357A CN 110332357 A CN110332357 A CN 110332357A CN 201910570600 A CN201910570600 A CN 201910570600A CN 110332357 A CN110332357 A CN 110332357A
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- 230000007246 mechanism Effects 0.000 claims abstract description 13
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
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- 230000003321 amplification Effects 0.000 description 3
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- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/046—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
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- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses a kind of aperture valve actuator of auto-manual, including actuator shell, transmission mechanism is provided on actuator shell；Transmission mechanism includes first gear, second gear, third gear, the 4th gear；First gear is connect by drive shaft with driving motor, third gear is double-layer gear, it includes upper layer gear and lower layer's gear, upper layer gear engages connection with first gear, lower layer's gear engages connection with second gear, third gear rear end face is fixedly connected with flexible connector, and the front end of third gear is connect by the first polished rod with the button that actuator housing forward end is arranged in；Second gear is rotatably connected on actuator shell by connecting shaft, and the rear end of connecting shaft is connected with the rotor of valve；4th gear is arranged in third gear rear end, and upon pressing the button, upper layer gear engages connection with the 4th gear, and the 4th gear front end is fixedly connected by the second polished rod with the handle that actuator housing forward end is arranged in.
Description
Technical field
The present invention relates to control valve field more particularly to a kind of aperture valve actuators of auto-manual.
Background technique
In the prior art, valve unadjustable aperture mostly, has the valve torque of the adjustable aperture of small part too small, greatly
Mostly less than 1Nm, only only a few can achieve 1Nm or more using the valve of alternating current, but usually carry out mobile work
The equipment of industry is all powered by direct current, therefore exchanges the device requirement that electric valve is not suitable for mobile operation.In addition, valve is in length
Phase, which controls precision using rear its, will appear deviation；Therefore, be badly in need of larger a kind of powered by direct current, torque, adjustable aperture, can school
The valve of quasi- precision.
Summary of the invention
Object of the present invention is in view of the above-mentioned problems, providing a kind of aperture valve of simple, the easy-to-use auto-manual of structure
Actuator.
To achieve the goals above, the technical scheme is that
A kind of aperture valve actuator of auto-manual, including actuator shell are provided with transmission mechanism on the actuator shell；
The transmission mechanism includes first gear, second gear, third gear, the 4th gear；One gear, second gear, third
Gear, the 4th gear are arranged on actuator shell, and first gear is by drive shaft and is arranged in the intracorporal drive of actuator shell
Dynamic motor connection, drive shaft are rotatably connected with actuator shell；Third gear is double-layer gear comprising upper layer gear is under
Layer gear, upper layer gear engage connection with first gear, and lower layer's gear engages connection with second gear, and third gear rear end face is solid
Surely flexible connector is connected, the front end of third gear is connect with one end of the first polished rod, and the other end of the first polished rod, which passes through, to be executed
It is connect after device shell with the button that actuator housing forward end is arranged in, the first polished rod is slidably connected with actuator shell；Second tooth
Wheel is rotatably connected on actuator shell by connecting shaft, and the rear end of connecting shaft is connected with the rotor of valve；4th gear
It is arranged in third gear rear end, upon pressing the button, upper layer gear engages connection, the 4th gear front end and second with the 4th gear
One end of polished rod connects, and the other end of the second polished rod is consolidated after passing through actuator shell with the handle that actuator housing forward end is arranged in
Fixed connection, the second polished rod are rotatably connected with actuator shell.
Further, the transmission mechanism further includes the 5th gear, and the 5th gear engages connection, the 5th tooth with second gear
Wheel is fixedly connected by third polished rod with the pointer that actuator housing forward end is arranged in, and third polished rod and actuator shell can be rotated
Connection.
Further, the flexible connector is spring, and one end of spring is fixedly connected with third gear rear end face, another
End is in contact with valve or actuator shell rear wall.
Further, in the third gear, the diameter ratio of upper layer gear and lower layer's gear is 5:1.
Further, the aperture valve actuator further includes control system, the control system include signal acquisition module,
Control module and execution module；Signal acquisition module includes limiter, slide rheostat；The control module includes single-chip microcontroller；
The execution module includes the amplifying circuit control, the driving motor to driving motor, and limiter, slide rheostat are solid
Surely it is connected on actuator shell, limiter setting is provided with retention bead on connecting shaft two sides, connecting shaft and passes through limit
Protrusion be in contact with limiter, the sliding terminal of slide rheostat with connect axis connection；Limiter, slide rheostat and single-chip microcontroller
It is electrically connected, single-chip microcontroller is electrically connected by amplifying circuit and driving motor.
Further, the amplifying circuit includes resistance R1, R2, R3, R4, NPN type triode Q1, Q2, Q3, Q4, relay
Device RL1, relay RL2, double-point double-throw switch SW；The base stage of the NPN type triode Q1 connect with resistance R1 after with single-chip microcontroller U
The connection of output end P1.1 serial ports, the collector of NPN type triode Q1 connects with power supply VCC, the emitter of NPN type triode Q1
It connects with relay RL1；The base stage of the NPN type triode Q2 is gone here and there after connecting with resistance R2 with the output end P1.2 of single-chip microcontroller U
Mouth connection, the Q2 collector of NPN type triode are connected with power supply VCC, and the emitter and relay RL2 of NPN type triode Q2 is gone here and there
Connection；The base stage of the NPN type triode Q3 is connect after connecting with resistance R3 with the output end P1.0 serial ports of single-chip microcontroller U, NPN type three
The collector of pole pipe Q3 is connected with power supply VCC, the emitter of NPN type triode Q3 and No. 4 terminal strings of double-point double-throw switch SW
Connection；The base stage of the NPN type triode Q4 is connect after connecting with resistance R4 with the output end P1.3 serial ports of single-chip microcontroller U, NPN type three
The collector of pole pipe Q4 is connected with power supply VCC, the emitter of NPN type triode Q4 and No. 1 terminal string of double-point double-throw switch SW
Connection, double-point double-throw switch SW and driving motor M connection.
Further, it is set between power supply VCC and the collector of NPN type triode Q1, Q2, Q3, Q4 in the amplifying circuit
It is equipped with fuse FU, one end of fuse FU is connect with power supply VCC, the current collection of the other end and NPN type triode Q1, Q2, Q3, Q4
Pole connection.
Compared with prior art, the advantages and positive effects of the present invention are:
The present invention uses the design of double-layer gear by third gear, increases effectively the rotation torque of valve, solves existing
The problem for using the valve torque of direct current too small in technology；And it is by being arranged spring and the 4th tooth in third gear rear end
The design of wheel can also be improved so that it both can carry out control valve by driving motor by handle manual control valve
Using effect of the invention；On the other hand, the present invention is controlled by working time of the single-chip microcontroller to driving motor, simultaneously
It is monitored in conjunction with opening angle of the slide rheostat to valve, greatly improves the standard of control valve opening angle of the present invention
True property；And its design combined by left limit device, right limit device with single-chip microcontroller, can be at any time to the prison of slide rheostat
It surveys accuracy to be calibrated, avoids valve and control precision after prolonged use and deviation be in the presence of, further mention
High using effect of the invention.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is whole front elevation of the invention；
Fig. 2 is the structural schematic diagram one of transmission mechanism；
Fig. 3 is the structural schematic diagram two of transmission mechanism；
Fig. 4 is the frame construction drawing of control system；
Fig. 5 is the circuit structure diagram of control system.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
As shown in Figures 1 to 5, the aperture valve actuator of a kind of auto-manual, including drive mechanism and control system two are greatly
Part.The drive mechanism is mainly by first gear 4, second gear 5, third gear 6, the 4th gear 7, the 5th gear 8, company
Spindle 10, spring 11, the first polished rod 12, handle 3, button 1, pointer 2, driving motor M etc., effect is driving motor M
Kinetic energy passes on valve body, and torque is amplified 5 times, opens and closes to be precisely controlled valve passage.The control system
It mainly include signal acquisition module, control module and execution module, effect is the angle that accurate control valve is opened.
The first gear 4 is connect using copper gear with driving motor M by drive shaft, first gear 4 and
Third gear 6 engages, and effect is that the kinetic energy of driving motor M is transmitted on third gear 6, realizes that electric control valve is opened
Angle.
The third gear 6, using copper gear, third gear 6 is the double-layer gear that transmission ratio is 5:1.That is third
The upper layer gear diameter of gear 6 and the diameter ratio of lower layer's gear are 5:1.The upper layer gear of third gear 6 is engaged with first gear,
Lower layer's gear of third gear 6 is engaged with second gear, and effect is that the kinetic energy of first gear is transmitted in second gear 5,
And torque is made to increase 5 times.Third gear 6 is fixed on actuator shell by the first polished rod 12.
The spring 11, one end press on the groove of 6 upper surface of third gear, and the other end is fixed on actuator shell
On the inside of 14 rear walls.When spring 11 is squeezed by external force, the upper layer tooth of third gear 6 is detached from first gear 5 and the 4th gear 7
Engagement；When spring 11 is squeezed without external force, spring 11, which stretches, makes the upper layer tooth of third gear 6 be detached from the 4th gear 7 simultaneously with the
The engagement of one gear 5.
The effect of the button 1 is to squeeze spring 11 by the first polished rod 12 of pressing, when external force presses lower button 1,
Spring 11 is squeezed, and when not having external force, button 1 is bounced under the action of spring 11.
The fixed third gear 6 of the effect of first polished rod 12, enables third gear 6 to slide back and forth.
The second gear 5 and the first gear 4 select identical gear, all use copper gear, with the
Three gears 6, the engagement of the 5th gear 8, while the connecting shaft 10 of second gear 5 and the rotor of valve are fixed together, effect is
The kinetic energy of third gear 6 is transmitted on the rotor and the 5th gear 8 of valve.
5th gear 8 is engaged using copper gear with second gear 6, while the 5th gear 8 passes through third
Polished rod 9 and the angle indicator 2 on 14 surface of actuator shell are fixed together, and effect is that the angle of valve opening is passed through execution
The pointer 2 of device shell 14 is intuitively shown.
4th gear 7 is fixedly connected by the way that the second polished rod 5 is fixed with handle 3, the 4th tooth using copper gear
Wheel 7 is engaged with third gear 6, and effect is that the kinetic energy of handle 3 is transmitted on third gear 6, realizes that manual control valve is opened
The angle opened.
The handle 3 and the 4th gear 7 are fixed, drive the rotation of the 4th gear 7 by rotational handle 3.
The connecting shaft 10, using copper material, both ends are separately connected the rotor of second gear 5 and valve, effect
It is that the kinetic energy of second gear 5 is transmitted on the rotor of valve.
In order to avoid label is obscured, in Structure Figure by left limit device, right limit device, driving motor, single-chip microcontroller mark
It number is consistent with the label in circuit diagram.
The signal acquisition module mainly includes first device such as left limit device RJ1, right limit device RJ2, slide rheostat RV
Part, main function are to acquire valve to need whether the angle signal opened and valve angle reach maximum, minimum and open now
The size opened.The control module is single-chip microcontroller U, and effect is the signal synthesis processing according to signal acquisition module acquisition, and
Output control signal.The execution module is mainly the components such as amplifying circuit and driving motor M, and effect is amplification control signal
Driving motor M work, and then accurate controlling opening of valve.
Optionally, the left limit device RJ1, right limit device RJ2, the present invention need to use 2 Risym brand and models for
The limiter of LB16 is separately positioned on the both sides of connecting shaft restriction protrusion, and when angle standard-sized sheet, retention bead touches left limit
The switch of position device RJ1；When angle is zero, retention bead touches the switch of right limit device RJ2.
The sliding end of the slide rheostat RV links together with connecting shaft 10, can use turbine and worm knot
Structure, when connecting shaft 10 rotates, the sliding terminal of slide rheostat RV is moved, and then changes the resistance of slide rheostat RV
Value.The signal output end of slide rheostat RV is connect with the P1.4 serial ports of single-chip microcontroller U.
The single-chip microcontroller U, the signal using STM32F103VET6 type single-chip microcontroller, for being obtained to signal acquisition module
Carry out integrated treatment, and output control signal.
The driving motor M, the present invention use Risym brand and model for 775 double ball bearing driving motor, act on
It is to adjust to provide kinetic energy to valve angle, the torque of the driving motor is 10NM.Torque is amplified 5 times by drive mechanism, it can
So that valve actual torque is reached 50NM, meets the actual demand of large torque.
The amplifying circuit effect is the control signal amplification that the single-chip microcontroller U is exported.
The amplifying circuit includes: resistance R1, R2, R3, R4, NPN type triode Q1, Q2, Q3, Q4, relay RL1,
Relay RL2, double-point double-throw switch SW, fuse FU, power supply VCC.Wherein resistance R1, NPN type triode Q1 and fuse FU,
Power supply VCC forms first group of amplifying circuit；Wherein resistance R2, NPN type triode Q2 and fuse FU, power supply VCC composition second
Group amplifying circuit；Wherein resistance R3, NPN type triode Q3 and fuse FU, power supply VCC form third group amplifying circuit；Wherein
Resistance R4, NPN type triode Q4 and fuse FU, power supply VCC form the 4th group of amplifying circuit.The NPN type triode Q1
Base stage and resistance R1 series connection after connect again with the output end P1.1 serial ports of single-chip microcontroller U, collector and fuse FU, power supply VCC
Series connection, emitter are connected with relay RL1；The base stage of the NPN type triode Q2 connect with resistance R2 after again with single-chip microcontroller U
The connection of output end P1.2 serial ports, collector connects with fuse FU, power supply VCC, and emitter is connected with relay RL2；It is described
NPN type triode Q3 base stage and resistance R3 series connection after connect again with the output end P1.0 serial ports of single-chip microcontroller U, collector with guarantor
Dangerous silk FU, power supply VCC series connection, No. 4 terminal series-shunts of emitter and double-point double-throw switch SW；The NPN type triode Q4's
Base stage is connect with the output end P1.3 serial ports of single-chip microcontroller U again after connecting with resistance R4, and collector and fuse FU, power supply VCC go here and there
Connection, No. 1 terminal series-shunt of emitter and double-point double-throw switch SW.
The effect of described resistance R1, R2, R3, R4 and fuse FU are protection circuits, prevent from damaging component because of overload.
The effect of described NPN type triode Q1, Q2, Q3, Q4 are defeated to single-chip microcontroller P1.1, P1.2, P1.0, P1.3 serial ports
Control signal out amplifies, to drive relay RL1, RL2 to work and be No. 1 of double-point double-throw switch SW, No. 4 terminals
Power supply.When the base stage of NPN type triode Q1 receives the high level signal of single-chip microcontroller P1.1 output, NPN type triode Q1 is led
Logical, electric current can flow to emitter from collector at this time, play the role of signal amplification.Described NPN type triode Q2, Q3, the Q4
It is identical as the working principle of Q1.
The effect of described relay RL1, RL2 are to control the double-pole deviation of double-point double-throw switch SW, when relay RL1 work
When making, the double-pole of double-point double-throw switch SW is biased to No. 2 and No. 4 terminals；When relay RL2 work, double-point double-throw switch SW's
Double-pole is biased to No. 1 and No. 3 terminals.
The effect of the double-point double-throw switch SW is to control the current trend of driving motor M and then realize driving motor M
Positive and negative rotation, when the double-pole of double-point double-throw switch SW is biased to No. 2 and driving motor M rotating forward when No. 4 terminals；When double-pole double throw is opened
The double-pole for closing SW is biased to driving motor M when No. 1 and No. 3 terminals and is inverted.
The effect of the driving motor M is to realize the increase and reduction of valve angle, driving motor M by positive and negative rotation
It rotates forward valve openings angle to increase, driving motor M inverts valve openings angle and reduces.
Embodiment 1, automatic adjustment valve aperture
When operator sends the instruction of " opening 60 ° " by signal input part, single-chip microcontroller U first passes through the resistance value of slide rheostat RV
The aperture of the present valve of accurate judgement.If aperture, less than 60 °, the P1.1 serial ports of single-chip microcontroller U issues high level signal, NPN type
The base stage of triode Q1 is connected after receiving the high level signal that the single-chip microcontroller P1.1 is exported, and electric current can be from collector at this time
Flow to relay RL1 after emitter, and then drive relay RL1 work, make the double-pole of double-point double-throw switch SW be biased to No. 2 and
No. 4 terminals.Meanwhile the P1.0 serial ports of single-chip microcontroller U issues high level signal, the base stage of NPN type triode Q3 receives described
It is connected after the high level signal of single-chip microcontroller P1.0 output, to double-point double-throw switch after electric current can flow to emitter from collector at this time
No. 4 terminals that the double-pole of SW is biased to, and then electric current flows through driving motor M from right to left, driving motor M is rotated forward, and realizes that valve is opened
Bicker degree increases.Single-chip microcontroller U is opened according to the revolving speed of driving motor M by the working time control angle of control driving motor M
Size, but due to the hydraulic pressure of valve working difference, will cause the inaccurate of adjusting.So single-chip microcontroller U is simultaneously according to sliding
Whether the angle of the resistance value size calibration valve opening of rheostat RV is accurate, if there is deviation then continues driving motor M work, reaches
To the effect for being precisely controlled valve opening.
If aperture is greater than 60 °, the P1.2 serial ports of single-chip microcontroller U issues high level signal, and the base stage of NPN type triode Q2 connects
Be connected after receiving the high level signal of the single-chip microcontroller P1.2 output, after electric current can flow to emitter from collector at this time to after
Electric appliance RL2, and then relay RL2 work is driven, so that the double-pole of double-point double-throw switch SW is biased to No. 1 and No. 3 terminals.Meanwhile it is single
The P1.3 serial ports of piece machine U issues high level signal, and the base stage of NPN type triode Q4 receives the single-chip microcontroller P1.3 output
It is connected after high level signal, 1 be biased to after electric current can flow to emitter from collector at this time to the double-pole of double-point double-throw switch SW
Number terminal, and then electric current flows through driving motor M from left to right, driving motor M reversion realizes that valve openings angle reduces.Similarly
Whether the angle that single-chip microcontroller U calibrates valve opening according to the resistance value size of slide rheostat RV simultaneously is accurate, then if there is deviation
Continue driving motor M work, achievees the effect that be precisely controlled valve opening.
Embodiment 2 manually adjusts valve aperture
When needing to manually adjust valve aperture, operator first presses lower button, when the first polished rod is squeezed by external force at this time, makes the
The upper layer gear of three gears is detached from first gear and engages simultaneously with the 4th gear.Operator passes through rotating handle again, and then drives
The rotation of 4th gear.Since the upper layer gear of third gear at this time is engaged with the 4th gear, lower layer's gear is engaged with second gear,
When the 4th gear is rotated, the rotation of third gear is driven, then second gear is driven to rotate, and then change valve opening.Operation
When person's release button, valve restores motoring condition.
Embodiment 3, system are calibrated automatically
For valve after long-time use, the control of valve opening will appear deviation.The system can calibrate deviation automatically.
During valve opening door, if valve angle standard-sized sheet, at this point, retention bead can touch left limit device RJ1
Switch, after single-chip microcontroller U receives the signal of left limit device RJ1, then P1.0 and P1.1 serial ports exports low level signal, NPN simultaneously
Type triode Q1 and Q3 is by then without electric current by driving motor M, driving motor M stops working.And it compares and slides at this time
Whether the resistance value size of rheostat RV should stop driving motor M work according to resistance value size, if should stop according to resistance value size
Only driving motor M works, then proves angle precise control；If driving motor M work should not be stopped according to resistance value size, remember
The resistance value of slide rheostat RV at this time is recorded, and the threshold value that the resistance value is valve maximum opening is set automatically.
Similarly, when valve completely closes, retention bead can touch the switch of right limit device RJ2, and single-chip microcontroller U is received
After the signal of left limit device RJ1, then P1.2 and P1.3 serial ports exports low level signal simultaneously, NPN type triode Q2 and Q4 by,
Then stopped working without electric current by driving motor M, driving motor M.And the resistance value size of slide rheostat RV at this time is compared,
Whether should stop driving motor M work according to resistance value size, if driving motor M work should be stopped according to resistance value size,
Prove angle precise control；If driving motor M work should not be stopped according to resistance value size, slide rheostat RV at this time is recorded
Resistance value, and be arranged automatically the resistance value be valve minimum aperture threshold value.System again automatically becomes change in resistance range and angle
Change range to correspond, achievees the purpose that automatic calibrating valve door control precision.
Claims (7)
1. a kind of aperture valve actuator of auto-manual, including actuator shell, it is characterised in that: set on the actuator shell
It is equipped with transmission mechanism；The transmission mechanism includes first gear, second gear, third gear, the 4th gear；One gear,
Second gear, third gear, the 4th gear are arranged on actuator shell, and first gear is being executed by drive shaft and setting
The intracorporal driving motor connection of device shell, drive shaft are rotatably connected with actuator shell；Third gear is double-layer gear comprising
Upper layer gear and lower layer's gear, upper layer gear engage connection with first gear, and lower layer's gear engages connection, third with second gear
Gear rear end face is fixedly connected with flexible connector, and the front end of third gear is connect with one end of the first polished rod, the first polished rod it is another
One end is connect after passing through actuator shell with the button that actuator housing forward end is arranged in, and the first polished rod and actuator shell slide
Connection；Second gear is rotatably connected on actuator shell by connecting shaft, and the rear end of connecting shaft is connected with the rotor of valve
It connects；4th gear is arranged in third gear rear end, and upon pressing the button, upper layer gear engages connection, the 4th tooth with the 4th gear
Wheel front end is connect with one end of the second polished rod, and the other end of the second polished rod is after actuator shell with setting in actuator shell
The handle of front end is fixedly connected, and the second polished rod is rotatably connected with actuator shell.
2. the aperture valve actuator of auto-manual as described in claim 1, it is characterised in that: the transmission mechanism further includes
Five gears, the 5th gear engage connection with second gear, and the 5th gear is by third polished rod and is arranged in actuator housing forward end
Pointer be fixedly connected, third polished rod is rotatably connected with actuator shell.
3. the aperture valve actuator of auto-manual as described in claim 1, it is characterised in that: the flexible connector is bullet
One end of spring, spring is fixedly connected with third gear rear end face, and the other end is in contact with valve or actuator shell rear wall.
4. the aperture valve actuator of auto-manual as described in claim 1, it is characterised in that: in the third gear, upper layer
The diameter ratio of gear and lower layer's gear is 5:1.
5. the aperture valve actuator of auto-manual as described in claim 1, it is characterised in that: the aperture valve actuator also wraps
Control system is included, the control system includes signal acquisition module, control module and execution module；Signal acquisition module includes limit
Position device, slide rheostat；The control module includes single-chip microcontroller；The execution module includes control to driving motor
Amplifying circuit, driving motor, limiter, slide rheostat are fixedly connected on actuator shell, and limiter setting is connecting
Axis two sides are provided with retention bead in connecting shaft and are in contact by retention bead with limiter, the sliding end of slide rheostat
Son with connect axis connection；Limiter, slide rheostat and single-chip microcontroller are electrically connected, and single-chip microcontroller passes through amplifying circuit and driving motor
It is electrically connected.
6. the aperture valve actuator of auto-manual as claimed in claim 5, it is characterised in that: the amplifying circuit includes resistance
R1, R2, R3, R4, NPN type triode Q1, Q2, Q3, Q4, relay RL1, relay RL2, double-point double-throw switch SW；The NPN
The base stage of type triode Q1 is connect after connecting with resistance R1 with the output end P1.1 serial ports of single-chip microcontroller U, the collection of NPN type triode Q1
Electrode is connected with power supply VCC, and the emitter of NPN type triode Q1 is connected with relay RL1；The base of the NPN type triode Q2
Pole is connect after connecting with resistance R2 with the output end P1.2 serial ports of single-chip microcontroller U, the Q2 collector and power supply VCC of NPN type triode
Series connection, the emitter of NPN type triode Q2 are connected with relay RL2；The base stage of the NPN type triode Q3 is connected with resistance R3
It is connect afterwards with the output end P1.0 serial ports of single-chip microcontroller U, the collector of NPN type triode Q3 is connected with power supply VCC, three pole of NPN type
The emitter of pipe Q3 and No. 4 terminal series-shunts of double-point double-throw switch SW；The base stage of the NPN type triode Q4 is connected with resistance R4
It is connect afterwards with the output end P1.3 serial ports of single-chip microcontroller U, the collector of NPN type triode Q4 is connected with power supply VCC, three pole of NPN type
The emitter of pipe Q4 and No. 1 terminal series-shunt of double-point double-throw switch SW, double-point double-throw switch SW and driving motor M connection.
7. the aperture valve actuator of auto-manual as claimed in claim 6, it is characterised in that: power supply in the amplifying circuit
Fuse FU, one end of fuse FU and power supply VCC are provided between VCC and the collector of NPN type triode Q1, Q2, Q3, Q4
Connection, the other end are connect with the collector of NPN type triode Q1, Q2, Q3, Q4.
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| CN201910570600.4A CN110332357A (en) | 2019-06-27 | 2019-06-27 | A kind of aperture valve actuator of auto-manual |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910570600.4A CN110332357A (en) | 2019-06-27 | 2019-06-27 | A kind of aperture valve actuator of auto-manual |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114063495A (en) * | 2021-10-29 | 2022-02-18 | 广东远通工业科技有限公司 | Intelligent valve controller |
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