CN200982458Y

CN200982458Y - Electric means for valve

Info

Publication number: CN200982458Y
Application number: CN 200620093835
Authority: CN
Inventors: 李大安
Original assignee: ANSHAN METALLERGY EQUIPMENT Co Ltd
Current assignee: ANSHAN METALLERGY EQUIPMENT Co Ltd
Priority date: 2006-10-26
Filing date: 2006-10-26
Publication date: 2007-11-28
Anticipated expiration: 2016-10-26

Abstract

The utility model relates to a novel valve electric device with the integration of a machine, electricity, an instrument and microelectronics technique, which is characterized in that the utility model comprises a machine, electricity, a control apparatus instrument and a microelectronic portion, wherein the control apparatus instrument comprises a travel length counter, a torque limiter, and an opening indicator. The opening indicator, the torque limiter, the travel length counter and the electric central control board are arranged in a control chamber to form a modular assembly construction. The utility model has the advantages of high reliability, control accuracy and multiple protection functions, and can perfectly and reliably control the valve in the way of distant control, programmed checking, bus system and network control, thereby achieving the multiple-track multiple-layer accident prevention and the complete automation of hand-electric switching over device. The utility model completely satisfies the automatic control demand of all kinds of high grade and high level for the valve in the modern industry duct system, solves the question of nonlinearity, slow time variant, distribution parameter and non-deterministic control when using the industry valve, and achieves intelligent control.

Description

NEW SERIES OF VALVE ELECTRIC ACTUATORS

Technical field

The utility model relates to the matched control gear of a kind of industrial general valve, particularly relates to a kind ofly collecting mechanical, electrical, instrument and microelectronic technology is the NEW SERIES OF VALVE ELECTRIC ACTUATORS of one.

Background technique

At present, in known, that use and traditional electric device for valve, because function and performance can not satisfy the requirement of the high-grade automatic control level of modern industry pipe-line system valve, exist: can not realize the setting and the control of valve flap arbitrary position; Can not realize remote control, program control or bus system control; Poor controllability, various measurement and problem such as control accuracy is low, maintenance is big.

Summary of the invention

The utility model has overcome the defective of above-mentioned existence; purpose is for solving the deficiency on current conventional valves Electric actuator performance and the function; a kind of have high reliability, high control accuracy and kinds of protect function are provided; can realize mode control valve accurately, reliably, realize the NEW SERIES OF VALVE ELECTRIC ACTUATORS of multiple tracks multi-level safety measure with remote control, program control, bus system, network control.

The utility model electric device for valve content Description:

The utility model electric device for valve, it is characterized in that: formed by mechanical, electric, control instrument instrument and microelectronic part institute, the control instrument instrument is meant trip count device, torque limiter and indicator of opening, indicator of opening, torque limiter, trip count device and electrical centre control panel are arranged in the control chamber, form cordwood composite structure; It is full-automatic that hand--electronic switching mechanism is arranged on the high speed axle head of worm gearing, and is fixed on the casing of speed reducer.

The trip count device be by the input gear shaft, the built-up gear axle that bidentate sheet, full-depth tooth sheet, teeth groove sheet are formed by stacking, the fine motion isolating switch, on the basis of the traditional mechanical formula counter that the gear shaft that cam and long and short gear are formed by stacking constitutes, be provided with two micro motors and spiral electromagnet switching mechanism, the trip count device is installed in the control chamber, is in transmission connection with output shaft.

Torque limiter is installed in the control chamber, connects with the tooth bar in the worm gearing, is provided with micro-stepping motor and digital regulation resistance in the torque limiter.

Indicator of opening is installed in the control chamber, is in transmission connection with output shaft, is provided with stepping miniature motor and multi-turn digital regulation resistance in the indicator of opening.

It is full-automatic that hand--electronic switching mechanism is to be provided with jaw clutch and fax moving gear and electronic mesomerism gear, motor gear to be in transmission connection on the worm screw splined shaft, return spring is set in trying to stop people from fighting each other and the spiral electromagnet is housed, and the outside is a guard shield; Jaw clutch connects and composes by bevel gear and handwheel.

The utility model electric device for valve; have high reliability, high control accuracy and kinds of protect function; can realize mode control valve accurately, reliably with remote control, program control, bus system, network control; realize the measure of multiple tracks multi-level safety; realized the full-automation of manual-electronic switching mechanism; can satisfy in the modern industry pipe-line system various high-level, high-caliber automation control requirement fully to valve; change when having solved in use non-linear, slow of industrial valve, distributed parameter and uncertainty control problem have realized intelligent control.

Description of drawings

Fig. 1 is the NEW SERIES OF VALVE ELECTRIC ACTUATORS structural representation

Fig. 2 is a trip count device structural representation

Fig. 3 is the torque limiter structural representation

Fig. 4 is the indicator of opening structural representation

Fig. 5 is manually full-automatic-electronic switching mechanism structural representation

Fig. 6 is an electrical centre control panel circuit diagram

Embodiment

The utility model electric device for valve is achieved in that below in conjunction with accompanying drawing and specifies.

The utility model electric device for valve, integral body have adopted by mechanical part, electric part, instrument and apparatus part and microelectronic part institute to be formed, and utilizes valve special chip etc. to realize the organic assembling of multiple intellectuality control function and usability.See Fig. 1, among the figure: the 1st, worm gearing, the 2nd, man-operated mechanism, the 3rd, manually full-automatic-electronic switching mechanism, the 4th, speed reducer, the 5th, indicator of opening, the 6th, output shaft, the 7th, torque limiter, the 8th, trip count device, the 9th, control chamber, the 10th, electrical centre control panel.The control instrument instrument is meant: trip count device 8, torque limiter 7 and indicator of opening 5, indicator of opening 5, torque limiter 7, trip count device 8 and electrical centre control panel 10 are arranged in the control chamber 9, and form cordwood composite structure; It is full-automatic that hand--electronic switching mechanism 3 is arranged on the high speed axle head of worm gearing 1, and is fixed on the casing of speed reducer 4.

See Fig. 2, be the structural representation of trip count device 8, among the figure: the 11st, input gear shaft, the 12nd, by the built-up gear axle, the 13rd that bidentate sheet, full-depth tooth sheet, teeth groove sheet are formed by stacking, micro motor, the 14th, spiral electromagnet switching mechanism, the 15th, fine motion isolating switch, the 16th, the gear shaft that cam and long and short gear are formed by stacking.

Trip count device 8 is on the basis of the traditional mechanical formula counter that is made of the gear shaft 16 of importing gear shaft 11, the built-up gear axle 12 that is formed by stacking by bidentate sheet, full-depth tooth sheet, teeth groove sheet, fine motion isolating switch 15 and be formed by stacking by cam and long and short gear, be provided with two micro motors 13 and spiral electromagnet switching mechanism 14, control its adjustment or any location by the decoder of special use.

Trip count device 8 is installed in the control chamber 9 of the present utility model, carries out mechanical transmission with output shaft 6 and connect, by mechanical position limitation mode control valve flap (straight line motion) stroke.The control valve rod is turn-taked several and the location is set, and is to be realized by the pulse signal that the photoelectric turnplate that trip count device 8 carries produces.The trip counter 8 Stroke Control signals are exported by digital signal.

See that Fig. 3 is torque limiter 7 structural representations, among the figure: the 17th, driving gearshaft, the 18th, torque seat, the 19th, shifting block, the 20th, fine motion isolating switch, the 21st, micro-stepping motor, the 22nd, pressure cap, the 23rd, dial, the 24th, digital regulation resistance.Torque limiter 7 is provided with micro-stepping motor 21 and digital regulation resistance 24 on the basis of machine torque limiter.

Torque limiter 7 is installed in the control chamber 9 of the present utility model, connects, realize mechanical overtorque control with the tooth bar in the worm gearing 1.On torque limiter 7, be provided with digital regulation resistance 24 simultaneously, realized the over torque protection of electric and microelectronic technology.The two-way controlling torque signal of switch valve is output as digital signal.

See that Fig. 4 is indicator of opening 5 structural representations, among the figure: the 25th, needle pivot, the 26th, worm reducer, the 27th, stepping miniature motor, the 28th, multi-turn digital regulation resistance, the 29th, the wheeled stepless speed variator of friction roll, the 30th, input gear shaft.Indicator of opening 5 is on the basis of adjustable mechanical opening indicator, is provided with a stepping miniature motor 27 and a multi-turn digital regulation resistance 28.

This indicator of opening 5 is installed in the control chamber 9 of the present utility model, carries out mechanical transmission with output shaft 6 and connect, realize the synchronous follow-up type valve of machinery type (lobe) position.Because this indicator of opening 5 has adopted photoelectric turnplate and 28 pairs of valves of multi-turn digital regulation resistance (lobe) tracking, the output valve position signal is a digital signal, shows valve (lobe) position accurately, and tracking and display precision are 0.01.

See Fig. 5 full-automatic manually-electronic switching mechanism 3 structural representations, among the figure: the 31st, worm screw splined shaft, the 32nd, handwheel, the 33rd, bevel gear shaft, the 34th, jaw clutch, the 35th, fax moving gear, the 36th is tried to stop people from fighting each other, the 37th, return spring, the 38th, spiral electromagnet, the 39th, guard shield, the 40th, electronic mesomerism gear, the 41st, motor gear.

Full-automatic hand--electronic switching mechanism 3 is to be provided with jaw clutch 34 and fax moving gear 35 and electronic mesomerism gear 40, motor gear 41 to be in transmission connection on worm screw splined shaft 31, return spring 37 is set and spiral electromagnet 38 is housed in 36 trying to stop people from fighting each other, the outside is a guard shield 39; Jaw clutch 34 is connected with handwheel 32 by bevel gear shaft 33.

When main motor was worked, jaw clutch 34 to the moving side of fax, when main motor quits work, was promoted jaw clutch 34 self-returns to a manual side by return spring 37 by 38 adhesives of spiral electromagnet.

With full-automatic hand--electronic switching mechanism 3 is arranged on the high speed axle head at worm gearing 1 of the present utility model, and is fixed on the casing of speed reducer 4, and the mechanical transmission by a kind of electromagnetic type realizes.When valve motor is worked, can automatically switch to electronic connection transmission, when valve motor quits work, can get back to manual position again and connect, fully need not be artificial.

Fig. 6 is electric control circuit figure, and the utility model can pass through electric control circuit, can realize site infrare remote control, long-range wireless remote control, the control of bus system, network control, and can automatic speed changing, switching, location or adjustment etc.Feedback, demonstration etc. are digital signal.

The utility model is during in integral body assembling sealing back or with the supporting composition one of valve, can carry out infrared remote control to it by the outside, enforcement is carried out digital accurate debugging to trip count device, torque limiter, indicator of opening, debug rapidly, accurately and reliably, and can realize location or conciliation arbitrarily.Adopt electromagnetic type manually full-automatic-electronic switching mechanism synchronously, simplified mechanical structure greatly, and switching is reliable, from being dynamically connected electronic side, during electronic stopping, returning manual side automatically when promptly electronic, very insurance has also alleviated working strength of workers simultaneously greatly.Owing to adopted valve chip and microelectronic technology, make that its control can realize far, short-range wireless remote control, programming Control, the control of bus system and Local Area Network control, on function, can locate automatically, switching, speed change, adjusting, interlock etc.

Claims

1, a kind of NEW SERIES OF VALVE ELECTRIC ACTUATORS, it is characterized in that: formed by mechanical, electric, control instrument instrument and microelectronic part institute, the control instrument instrument is meant trip count device (8), torque limiter (7) and indicator of opening (5), indicator of opening (5), torque limiter (7), trip count device (8) and electrical centre control panel (10) are arranged in the control chamber (9), form cordwood composite structure; Full-automatic hand-electronic switching mechanism (3) is arranged on the high speed axle head of worm gearing (1), and is fixed on the casing of speed reducer (4).

2, NEW SERIES OF VALVE ELECTRIC ACTUATORS according to claim 1, it is characterized in that: said trip count device (8) is on the basis of the traditional mechanical formula counter that is made of the gear shaft (16) of importing gear shaft (11), the built-up gear axle (12) that is formed by stacking by bidentate sheet, full-depth tooth sheet, teeth groove sheet, fine motion isolating switch (15) and being formed by stacking by cam and long and short gear, be provided with two micro motors (13) and spiral electromagnet switching mechanism (14), trip count device (8) is installed in the control chamber (9), and same output shaft (6) is in transmission connection.

3, NEW SERIES OF VALVE ELECTRIC ACTUATORS according to claim 1, it is characterized in that: said torque limiter (7) is installed in the control chamber (9), tooth bar in the same worm gearing (1) connects, and is provided with micro-stepping motor (21) and digital regulation resistance (24) in the torque limiter 7.

4, NEW SERIES OF VALVE ELECTRIC ACTUATORS according to claim 1, it is characterized in that: said indicator of opening (5) is installed in the control chamber (9), same output shaft (6) is in transmission connection, and is provided with stepping miniature motor (27) and multi-turn digital regulation resistance (28) in the indicator of opening (5).

5, NEW SERIES OF VALVE ELECTRIC ACTUATORS according to claim 1, it is characterized in that: described full-automatic-electronic switching mechanism (3) is to be provided with jaw clutch (34) and fax moving gear (35) and electronic mesomerism gear (40), motor gear (41) to be in transmission connection on worm screw splined shaft (31), return spring (37) is set in try to stop people from fighting each other (36) and spiral electromagnet (38) is housed, the outside is guard shield (39); The bevel gear shaft (33) that passes through of jaw clutch (34) connects and composes with handwheel (32).