CN202144897U - Multi-turn whole explosion-proof type valve electric actuator - Google Patents
Multi-turn whole explosion-proof type valve electric actuator Download PDFInfo
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- CN202144897U CN202144897U CN201120203960U CN201120203960U CN202144897U CN 202144897 U CN202144897 U CN 202144897U CN 201120203960 U CN201120203960 U CN 201120203960U CN 201120203960 U CN201120203960 U CN 201120203960U CN 202144897 U CN202144897 U CN 202144897U
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Abstract
The utility model relates to a multi-turn whole explosion-proof type valve electric actuator which comprises a main box body, a stroke box cover, a reducing mechanism, a hand wheel mechanism and an explosion-proof motor and is characterized in that a stroke and opening indication mechanism and a torque control mechanism are installed on the main box body in the stroke box cover, an electrical box body is installed on the main box body arranged at the other side opposite to the stroke box cover, an electrical control system is installed in the electrical box body, a field control knob lamp box is installed at one side of the electrical box body, the electrical control system adopts a microprocessor, and a junction box is installed on the side surface of the electrical box body and is internally provided with an explosion-proof wiring terminal. The multi-turn whole explosion-proof type valve electric actuator has the advantages that the functions of remote automatic control and automatic phase sequence identification and correction can be realized, therefore, the valve is avoided to be jammed or damaged due to phase sequence errors; a knob is of an inner and outer sleeve button structure, a knob shaft of the knob does not penetrate through an internal electrical box and generates magnetic pole induction with a Hall element through a magnetic steel, thereby realizing operation of valve opening and closing; and the operation is convenient, the reliability is high, and the protection performance is good.
Description
Technical field
The utility model belongs to electric device for valve control field, particularly relates to a kind of many revolution integrated explosion proof system type electric device for valve.
Background technique
At present, 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, and the active device that drives electric valve is an electric device for valve.Be applied to the equipment that electrical equipment that explosive gas atmosphere uses must have explosion prevention function, the electric device for valve in the respective environment on the electric valve also must possess explosion-resistance characteristic.In known technology, the explosion-proof type electric device for valve is divided into common explosion-proof type and integrated explosion proof system type again.Driving electric valve through common explosion-proof type electric device for valve also needs to control the other configuration control system in chamber or join the explosion-proof type controller at the scene in addition far away; Aforesaid way not only need be laid a large amount of cables; Engineering work load is bigger, has strengthened burden for users, and less reliable.Existing integrated explosion proof system type electric device for valve commonly used also has following shortcoming: 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; On-the-spot electric operating adopts push button more, and its barrier propterty and Safety performance all remain to be improved.
Summary of the invention
The utility model is for solving many revolutions integrated explosion proof system type electric device for valve that the technical problem that exists in the known technology provides a kind of compact structure, good reliability and can reduce customer using cost.
The technological scheme that the utility model is taked for the technical problem that exists in the solution known technology is: turn round integrated explosion proof system type electric device for valve more; Comprise main box body, with the fastening stroke case cover of main box body be installed in the reducing gear in the main box body; The outer side connection hand wheel mechanism of said main box body; Handwheel is connected with the interior reducing gear of main box body; On the opposite side main box body corresponding anti-explosion motor is installed, it is characterized in that: on the main box body in the said stroke case cover stroke and aperture indicating device and torque controling mechanism are installed with handwheel; On the main box body of stroke case cover right opposite opposite side, electrical box is installed; Be equipped with in the electrical box and have the electric control system that the automatic power phase sequence is differentiated calibration function; Side at electrical box is equipped with field control knob lamp box; The key control unit of said electric control system adopts microprocessor, and said electrical box side installation connection case is equipped with the explosion-proof wiring terminal in the junction box.
The utility model can also adopt following technological scheme:
Said field control knob lamp box comprises: lamp box housing, control panel, knob, knob shaft and Hall element; Overcoat button structure in said knob adopts; The knob shaft that is connected with knob be contained on the lamp box housing and with its formation enclosed construction, magnet steel is housed on knob.
Also be provided with the moving switching mechanism of torch in the said main box body.
Advantage and the good effect that the utlity model has are: because the utility model adopts technique scheme; Promptly adopt the key control unit of microprocessor (CPU) as electric control system; Not only can 4～20mA valve position signal be provided also and can be connected with host computer or PLC to the user as standard configuration, realize remote auto control; Also have phase sequence simultaneously 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 kind non-intrusion type controls form, and reliability is high, and barrier propterty is good.Case members such as main box body and case cover are the die casting aluminium material, and volume is little in light weight.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of the utility model field control knob lamp box;
Fig. 3 is the A-A sectional view of Fig. 2.
Among the figure: 1. main box body; 2. reducing gear; 3. stroke and aperture indicating device; 4. torque controling mechanism; 5. handwheel; 6. electric control system; 7. anti-explosion motor; 8. torch moves switching mechanism; 9. stroke case cover; 10. wiring casing; 11. junction box's cover; 12. electrical box; 13. electric box cover; 14. field control knob lamp box; 14-1, control panel; 14-2, knob; 14-3, magnet steel; 14-4, Hall element; 14-5, knob shaft; 14-6, lamp box housing; 15. explosion-proof wiring terminal.
Embodiment
For further understanding summary of the invention, characteristics and the effect of the utility model, the following examples of giving an example now, and conjunction with figs. specifies as follows:
See also Fig. 1-Fig. 3; Many revolution integrated explosion proof system type electric device for valve; Comprise main box body 1, with the fastening stroke case cover 9 of main box body be installed in the reducing gear 2 in the main box body; The outer side connection hand wheel mechanism 5 of said main box body, handwheel is connected with the interior reducing gear 2 of main box body, on the opposite side main box body corresponding with handwheel anti-explosion motor 7 is installed.Stroke and aperture indicating device 3 and torque controling mechanism 4 are installed on the main box body in the said stroke case cover 9; On the main box body of stroke case cover right opposite opposite side, the electrical box 12 that which is provided with electric box cover 13 is installed; Install in the electrical box and have the electric control system 6 that the automatic power phase sequence is differentiated calibration function; Side at electrical box is equipped with field control knob lamp box 14; The key control unit of the electric control system 6 in the said electrical box adopts microprocessor, and said electrical box side installation connection case 10 is equipped with explosion-proof wiring terminal 15 in the junction box.Said field control knob lamp box 14 comprises: lamp box housing 14-6, control panel 14-1, knob 14-2, knob shaft 14-5 and Hall element 14-4; Overcoat button structure in said knob adopts; The knob shaft that is connected with knob be contained on the lamp box housing and with its formation enclosed construction; And knob shaft does not connect with the internal electrical gas tank, has the functional characteristics that non-intruding controls, and magnet steel 14-3 is housed on knob.The user carries out various operations through the knob 14-2 on the rotation field control knob lamp box at the scene, and the Hall element 14-4 on magnet steel 14-3 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.Also be provided with the moving switching mechanism 8 of torch in the said main box body, so that the user switches to manual state through the moving switching mechanism of torch 8 with Electric actuator in case of necessity.
When electric device for valve energising operation; Anti-explosion motor 7 rotates the reducing gear 2 that transmits motion to main box body 1 inside; Reducing gear 2 will move again and output to stroke and aperture indicating device 3 and torque controling mechanism 4 respectively, realize the running state information of electric valve and the output of torque.Handwheel 5 is connected with reducing gear 2, and the user can switch to manual state with Electric actuator through the moving switching mechanism of torch 8 in case of necessity, manually controls the keying of electric valve; Electric elements in stroke and the aperture indicating device 3 is converted into electrical signal with mechanical transmission and is input to the electric control system 6 that is installed in the electrical box 12; Be converted into digital signal transfers to field control knob lamp box that is attached thereto 14 and explosion-proof wiring terminal 15 by electric control system 6 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 14 at the scene, accomplishes the operational order to Electric actuator.
Claims (3)
1. turn round integrated explosion proof system type electric device for valve one kind more; Comprise main box body, with the fastening stroke case cover of main box body be installed in the reducing gear in the main box body; The outer side connection hand wheel mechanism of said main box body; Handwheel is connected with the interior reducing gear of main box body, on the opposite side main box body corresponding with handwheel anti-explosion motor is installed, and it is characterized in that: on the main box body in the said stroke case cover stroke and aperture indicating device and torque controling mechanism are installed; On the main box body of stroke case cover right opposite opposite side, electrical box is installed; Be equipped with in the electrical box and have the electric control system that the automatic power phase sequence is differentiated calibration function; Side at electrical box is equipped with field control knob lamp box; The key control unit of said electric control system adopts microprocessor, and said electrical box side installation connection case is equipped with the explosion-proof wiring terminal in the junction box.
2. many revolution integrated explosion proof system type electric device for valve according to claim 1; It is characterized in that: said field control knob lamp box comprises: lamp box housing, control panel, knob, knob shaft and Hall element; Overcoat button structure in said knob adopts; The knob shaft that is connected with knob be contained on the lamp box housing and with its formation enclosed construction, magnet steel is housed on knob.
3. many revolution integrated explosion proof system type electric device for valve according to claim 1 is characterized in that: also be provided with the moving switching mechanism of torch in the said main box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120203960U CN202144897U (en) | 2011-06-16 | 2011-06-16 | Multi-turn whole explosion-proof type valve electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120203960U CN202144897U (en) | 2011-06-16 | 2011-06-16 | Multi-turn whole explosion-proof type valve electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202144897U true CN202144897U (en) | 2012-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120203960U Expired - Fee Related CN202144897U (en) | 2011-06-16 | 2011-06-16 | Multi-turn whole explosion-proof type valve electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202144897U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913667A (en) * | 2012-09-20 | 2013-02-06 | 常州电站辅机总厂有限公司 | Nuclear-grade direct-current valve electric device for pressurized water reactor nuclear plant |
| CN104763838A (en) * | 2015-02-15 | 2015-07-08 | 浙江永久科技实业有限公司 | Anti-explosion reversing valve |
| CN105952876A (en) * | 2016-06-30 | 2016-09-21 | 天津市津达执行器有限公司 | Manual safe transmission device for electric actuator |
| CN106090391A (en) * | 2016-05-31 | 2016-11-09 | 靖江市鹏明金属制品有限公司 | A kind of adjustable speed valve positioner |
| CN106090390A (en) * | 2016-05-31 | 2016-11-09 | 靖江市鹏明金属制品有限公司 | A kind of auto-manual operation valve positioner |
-
2011
- 2011-06-16 CN CN201120203960U patent/CN202144897U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913667A (en) * | 2012-09-20 | 2013-02-06 | 常州电站辅机总厂有限公司 | Nuclear-grade direct-current valve electric device for pressurized water reactor nuclear plant |
| CN104763838A (en) * | 2015-02-15 | 2015-07-08 | 浙江永久科技实业有限公司 | Anti-explosion reversing valve |
| CN104763838B (en) * | 2015-02-15 | 2017-03-08 | 浙江永久科技实业有限公司 | Explosion-proof reversal valve |
| CN106090391A (en) * | 2016-05-31 | 2016-11-09 | 靖江市鹏明金属制品有限公司 | A kind of adjustable speed valve positioner |
| CN106090390A (en) * | 2016-05-31 | 2016-11-09 | 靖江市鹏明金属制品有限公司 | A kind of auto-manual operation valve positioner |
| CN106090391B (en) * | 2016-05-31 | 2018-06-29 | 靖江市鹏明金属制品有限公司 | A kind of adjustable speed valve positioner |
| CN105952876A (en) * | 2016-06-30 | 2016-09-21 | 天津市津达执行器有限公司 | Manual safe transmission device for electric actuator |
| CN105952876B (en) * | 2016-06-30 | 2018-05-11 | 天津市津达执行器有限公司 | A kind of Electric Actuator manual safety transmitting 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 |