CN202144898U - Partially-rotated whole explosion-proof type valve electric actuator - Google Patents
Partially-rotated whole explosion-proof type valve electric actuator Download PDFInfo
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- CN202144898U CN202144898U CN201120203993U CN201120203993U CN202144898U CN 202144898 U CN202144898 U CN 202144898U CN 201120203993 U CN201120203993 U CN 201120203993U CN 201120203993 U CN201120203993 U CN 201120203993U CN 202144898 U CN202144898 U CN 202144898U
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Abstract
The utility model is applied to the field of valve control, and provides a partially-rotated whole explosion-proof type valve electric actuator. The electric actuator comprises an electrical machine, a speed reducing mechanism, a manual/electric switching mechanism, a box cover, a filed control knob lamp box, a main box body, a stroke control mechanism, a torque control mechanism, an electric control system and an explosion-proof control box. By taking two-stage worm gear endless screw transmission as the speed reducing mechanism, the valve electric actuator is stable in driving, small in noise and compact in structure; by taking a central processing unit (CPU) as a core control unit of the electric control system, the valve electric actuator realizes remote and automatic control; by adopting an automatic phase sequence distinguishing and correcting function, a logic circuit controlled by the CPU in the electric control system can automatically distinguish and correct an error phase sequence to be a correct phase sequence when the phase sequence of an external power source is inconsistent with the inner phase sequence, so that a valve cannot be clamped or damaged caused by malfunction due to the error phase sequence; and the valve electric actuator adopts nonintrusive operating control, and is high in reliability, and better in repellency.
Description
Technical field
The utility model belongs to valve control field, relates in particular to a kind of part revolution integrated explosion proof system type electric device for valve.
Background technique
The electric device for valve that uses in the explosive gas mixture environment should have explosion prevention function.Mostly the type of explosion proof construc tion of existing Electric actuator is flame-proof type both at home and abroad.Its basic principle is: the explosive power when structure can be born internal explosion property gaseous mixture and ignited, and stop it outside shell, to propagate.The electric arc in electric elements when work possibly ignite and have the explosive gas in the housing and produce blast; The blasting resistance structure of Electric actuator should design the length L and the matching gap W of flame proof junction plane by standard code, and parts such as explosion-proof wiring terminal board, cable entry are set.The electric valve that is installed in the industrial piping system often need carry out opening and closing according to the requirement that pipeline is controlled technological process; The active device that drives electric valve is an Electric actuator, and the explosion-proof type electric device for valve can be divided into two kinds on common explosion-proof type and integrated explosion proof system type at present.
Common common explosion-proof type electric device for valve drives electric valve need or join the explosion-proof type controller at the scene in addition in the other configuration control system in control chamber far away, and this mode need be laid a large amount of cables, and engineering work load is bigger, and Economy and reliability are all bad.And existing integrated explosion proof system type electric device for valve commonly used has following distinct disadvantage: 1. automatical control system does not possess the phase sequence identification function, when the access power phase is incorrect, very easily causes resistance of valve inverted running causes valve badge or damage; 2. on-the-spot electric operating adopts push button more, and its barrier propterty and Safety performance are all bad.
Summary of the invention
The purpose of the utility model is to provide a kind of part revolution integrated explosion proof system type electric device for valve, is intended to solve explosion-proof type electric device for valve driving electric valve and need lays a large amount of cables, and engineering work load is bigger, and Economy and reliability are all bad; Integrated explosion proof system type electric device for valve has automatical control system again and does not possess the phase sequence identification function; When the access power phase is incorrect; Very easily cause badge resistance of valve inverted running causes valve or damage and on-the-spot electric operating to adopt push button, problem such as its barrier propterty and Safety performance are all bad more.
The utility model is to realize like this; A kind of part revolution integrated explosion proof system type electric device for valve, this Electric actuator comprises: motor, reducing gear, the moving switching mechanism of torch, case cover, field control knob lamp box, main box body, range controlling mechanism, torque controling mechanism, electric control system, explosion-proof control box;
Explosion-proof control box is installed in the right flank of main box body, and the position, positive front of explosion-proof control box is equipped with field control knob lamp box, and it is the electric control system and the explosion-proof wiring terminal of core that explosion-proof control box inside is equipped with microprocessor (CPU); On the main box body in the case cover motor, range controlling mechanism, Torque Control mechanism are installed; The reducing gear that live axle, high speed worm and gear transmission, low speed worm and gear transmission are formed is installed in main box body inside.
Further, itself also is equipped with handwheel said Electric actuator, and the said explosion-proof control box of drum type is parallel with the hand wheel shaft of handwheel.
Further, said Electric actuator also is equipped with the moving switching mechanism of torch that can said Electric actuator be switched to manual state.
Further, said field control knob lamp box comprises lamp box housing, control panel, knob, magnet steel, Hall element, knob shaft;
On the lamp box housing control panel, knob shaft, Hall element are installed; The knob that magnet steel is installed is installed on the knob shaft.
Further, said knob is interior overcoat button, and its installation shaft does not connect with the internal electrical air cavity.
Further, said microprocessor (CPU) is connected with host computer or process control machine.
As reducing gear, stable drive, noise are little, compact structure through the two-stage worm and gear transmission adopting high speed worm and gear transmission, low speed worm and gear transmission and form for the utility model; Adopt the key control unit of microprocessor (CPU), 4～20mA valve position signal is provided also can be connected to the user as standard configuration, realize remote auto control with host computer or PLC as electric control system; Have phase sequence and differentiate calibration function automatically; When external electrical source of power phase sequence and inner when inconsistent; The logical circuit of microprocessor in the electric control system (CPU) control will be discerned automatically and proofread and correct and be correct phase sequence, avoid the phase sequence mistake to cause misoperation to cause valve jam or damage; Knob in the field control knob lamp box is interior overcoat button structure, and its knob shaft does not connect with the internal electrical gas tank, and the Hall element on magnet steel that when knob, is mounted thereon and the inner automatically controlled plate produces the magnetic pole induction, thereby realizes the operation of open and close valve.This form is that non-intrusion type controls, and reliability is high, and protective is better.And case members such as main box body, case cover are the die casting aluminium material, and volume is little in light weight.
Description of drawings
Fig. 1 is the sectional view of the part revolution integrated explosion proof system type electric device for valve that provides of the utility model embodiment;
Fig. 2 is the plan view of the part revolution integrated explosion proof system type electric device for valve that provides of the utility model embodiment;
Fig. 3 be the part revolution integrated explosion proof system type electric device for valve that provides of the utility model embodiment field control knob lamp box to view;
Fig. 4 is the sectional view of the field control knob lamp box of the part revolution integrated explosion proof system type electric device for valve that provides of the utility model embodiment.
Among the figure: 1, motor; 2, reducing gear; 3, the moving switching mechanism of torch; 4, case cover; 5, field control knob lamp box; 6, main box body; 7, range controlling mechanism; 8, torque controling mechanism; 9, handwheel; 10, electric control system; 11, explosion-proof control box; 12, box housing; 13, control panel; 14, knob; 15, magnet steel; 16, Hall element; 17, knob shaft.
Embodiment
For the purpose, technological scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The part that Fig. 1, Fig. 2 show the utility model embodiment to be provided is turned round the structure of integrated explosion proof system type electric device for valve.For the ease of explanation, only show the part relevant with the utility model embodiment.
A kind of part revolution integrated explosion proof system type electric device for valve, this Electric actuator comprises motor 1, reducing gear 2, the moving switching mechanism 3 of torch, case cover 4, field control knob lamp box 5, main box body 6, range controlling mechanism 7, torque controling mechanism 8, electric control system 10, explosion-proof control box 11;
Explosion-proof control box 11 is installed in the right flank of main box body 6, and the position, positive front of explosion-proof control box 11 is equipped with field control knob lamp box 5, and it is the electric control system 10 and explosion-proof wiring terminal of core that explosion-proof control box 11 inside are equipped with microprocessor (CPU); On the main box body 6 in the case cover 4 motor 1, range controlling mechanism 7, torque controling mechanism 8 are installed; The reducing gear 2 that live axle, high speed worm and gear transmission, low speed worm and gear transmission are formed is installed in main box body 6 inside.
In the utility model embodiment, Electric actuator itself also is equipped with handwheel 9, and the explosion-proof control box 11 of drum type is parallel with the hand wheel shaft of handwheel 9.
In the utility model embodiment, Electric actuator also is equipped with the moving switching mechanism of torch that can Electric actuator be switched to manual state.
In the utility model embodiment, like Fig. 3, shown in Figure 4, field control knob lamp box 5 comprises lamp box housing 12, control panel 13, knob 14, magnet steel 15, Hall element 16, knob shaft 17;
In the utility model embodiment, knob 14 is interior overcoat button, and its installation shaft does not connect with the internal electrical air cavity.
In the utility model embodiment, microprocessor (CPU) is connected with host computer or process control machine.
When electric device for valve energising operation; Motor 1 rotates the reducing gear 2 that transmits motion to main box body 6 inside; Reducing gear 2 will move again and output to range controlling mechanism 7 and torque controling mechanism 8 respectively, realize the running state information of electric valve and the output of torque; Handwheel 9 is connected with reducing gear 2, and the user can switch to manual state with Electric actuator through the moving switching mechanism of torch 3 in case of necessity, manually controls the keying of electric valve; Electric elements in the range controlling mechanism 7 is converted into electrical signal with mechanical transmission and is input to the electric control system 10 that is installed in the explosion-proof control box 11; Be converted into digital signal transfers to field control knob lamp box that is attached thereto 5 and explosion-proof wiring terminal by electric control system 10 again; And then digital signal outputed to control far away chamber, thereby realize control to electric valve.The user can carry out various operations through the knob on the field control knob lamp box 5 at the scene, accomplishes the operational order to Electric actuator.
The user carries out various operations through the knob 14 on the rotation field control knob lamp box 5 at the scene.The magnet steel 15 that when knob 14 rotates, is mounted thereon is responded to the Hall element 16 generation magnetic poles on the inner automatically controlled plate, thereby realizes the operation of open and close valve.
The utility model embodiment provides a kind of part revolution integrated explosion proof system type electric device for valve, is applicable to that flaps such as the electric ball valve of drive installation in having explosive gas atmosphere (except that the colliery), butterfly valve, stopcock make the valve of part rotation motion (be total travel＜360 °).
As reducing gear 2, stable drive, noise are little, compact structure through the two-stage worm and gear transmission adopting high speed worm and gear transmission, low speed worm and gear transmission and form for the utility model embodiment; Adopt the key control unit of microprocessor (CPU), 4～20mA valve position signal is provided also can be connected to the user as standard configuration, realize remote auto control with host computer or PLC as electric control system 10; Have phase sequence and differentiate calibration function automatically; When external electrical source of power phase sequence and inner when inconsistent; The logical circuit of microprocessor in the electric control system 10 (CPU) control will be discerned automatically and proofread and correct and be correct phase sequence, avoid the phase sequence mistake to cause misoperation to cause valve jam or damage; Knob in the field control knob lamp box 5 is interior overcoat button structure, and its knob shaft does not connect with the internal electrical gas tank, and the Hall element on magnet steel that when knob, is mounted thereon and the inner automatically controlled plate produces the magnetic pole induction, thereby realizes the operation of open and close valve.This form is that non-intrusion type controls, and reliability is high, and protective is better.And case members such as main box body 6, case cover 4 are the die casting aluminium material, and volume is little in light weight.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (6)
1. a part is turned round integrated explosion proof system type electric device for valve; It is characterized in that this Electric actuator comprises: motor, reducing gear, the moving switching mechanism of torch, case cover, field control knob lamp box, main box body, range controlling mechanism, torque controling mechanism, electric control system, explosion-proof control box;
Explosion-proof control box is installed in the right flank of main box body, and the position, positive front of explosion-proof control box is equipped with field control knob lamp box, and it is the electric control system and the explosion-proof wiring terminal of core that explosion-proof control box inside is equipped with microprocessor (CPU); On the main box body in the case cover motor, range controlling mechanism, Torque Control mechanism are installed; The reducing gear that live axle, high speed worm and gear transmission, low speed worm and gear transmission are formed is installed in main box body inside.
2. Electric actuator as claimed in claim 1 is characterized in that itself also is equipped with handwheel said Electric actuator, and the said explosion-proof control box of drum type is parallel with the hand wheel shaft of handwheel.
3. Electric actuator as claimed in claim 1 is characterized in that, said Electric actuator also is equipped with the moving switching mechanism of torch that can said Electric actuator be switched to manual state.
4. Electric actuator as claimed in claim 1 is characterized in that, said field control knob lamp box comprises lamp box housing, control panel, knob, magnet steel, Hall element, knob shaft;
On the lamp box housing control panel, knob shaft, Hall element are installed; The knob that magnet steel is installed is installed on the knob shaft.
5. Electric actuator as claimed in claim 4 is characterized in that, said knob is interior overcoat button, and its installation shaft does not connect with the internal electrical air cavity.
6. Electric actuator as claimed in claim 1 is characterized in that, said microprocessor (CPU) is connected with host computer or process control machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120203993U CN202144898U (en) | 2011-06-16 | 2011-06-16 | Partially-rotated whole explosion-proof type valve electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120203993U CN202144898U (en) | 2011-06-16 | 2011-06-16 | Partially-rotated whole explosion-proof type valve electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202144898U true CN202144898U (en) | 2012-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120203993U Expired - Fee Related CN202144898U (en) | 2011-06-16 | 2011-06-16 | Partially-rotated whole explosion-proof type valve electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202144898U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422950A (en) * | 2015-12-29 | 2016-03-23 | 常熟市亨达电子器材厂 | Mining flame-proof type electric ball valve |
| CN105508693A (en) * | 2014-09-22 | 2016-04-20 | 北京佳和康华科技有限公司 | Electric emergent cutting-off actuation mechanism |
| CN103997018B (en) * | 2014-05-09 | 2017-07-21 | 湖北慧中电子科技有限公司 | A kind of power phase automatic correction device |
| CN112594434A (en) * | 2020-12-28 | 2021-04-02 | 常州华诺自动化设备有限公司 | Flame-proof type integrated valve electric actuator |
-
2011
- 2011-06-16 CN CN201120203993U patent/CN202144898U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997018B (en) * | 2014-05-09 | 2017-07-21 | 湖北慧中电子科技有限公司 | A kind of power phase automatic correction device |
| CN105508693A (en) * | 2014-09-22 | 2016-04-20 | 北京佳和康华科技有限公司 | Electric emergent cutting-off actuation mechanism |
| CN105508693B (en) * | 2014-09-22 | 2020-04-10 | 北京佳和康华科技有限公司 | Electric emergency cut-off actuating mechanism |
| CN105422950A (en) * | 2015-12-29 | 2016-03-23 | 常熟市亨达电子器材厂 | Mining flame-proof type electric ball valve |
| CN112594434A (en) * | 2020-12-28 | 2021-04-02 | 常州华诺自动化设备有限公司 | Flame-proof type integrated valve electric actuator |
| CN112594434B (en) * | 2020-12-28 | 2023-12-05 | 常州华诺自动化设备有限公司 | Explosion-proof integrated valve electric device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120215 Termination date: 20130616 |