CN202469139U - Intelligent electric actuator for preventing malfunction - Google Patents
Intelligent electric actuator for preventing malfunction Download PDFInfo
- Publication number
- CN202469139U CN202469139U CN2012200190835U CN201220019083U CN202469139U CN 202469139 U CN202469139 U CN 202469139U CN 2012200190835 U CN2012200190835 U CN 2012200190835U CN 201220019083 U CN201220019083 U CN 201220019083U CN 202469139 U CN202469139 U CN 202469139U
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- CN
- China
- Prior art keywords
- intelligent electric
- electric actuator
- actuating mechanism
- electric actuating
- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an intelligent electric actuator for preventing a malfunction. The intelligent electric actuator for preventing the malfunction is installed on a valve device. The intelligent electric actuator comprises a protection unit used for preventing the malfunction. The protection unit further comprises a programmable controller, a direct-current relay, an alternating-current contactor, a condition inspection switch and a current overload protector. The programmable controller, the direct-current relay, the alternating-current contactor, the condition inspection switch and the current overload protector are sequentially connected and can control breakover and switch-off of a return circuit. The intelligent electric actuator is small in investment, safe and reliable in running, easy to operate and convenient to repair.
Description
Technical field
The utility model relates to a kind of intelligent electric actuating mechanism cheaply, relates in particular to a kind of intelligent electric actuating mechanism that prevents misoperation, and it is applicable to the occasion that needs the high reliability application controls.
Background technique
At industrial control field; Relate to the control of temperature, pressure, flow, liquid level; Wherein petrochemical industry utilization intelligent electric actuating mechanism device is more, wherein relates to poisonous, flammable, explosive medium, so need intelligent electric actuating mechanism to possess higher reliability.In practice, because of plant environment is complicated, consumer produces a lot of distrubance sources, can influence the quality of power supply, and corrosive gas all can cause the misoperation of actuator to the wearing out of burn into electronic component of circuit welding.
In order to address the aforementioned drawbacks, effectively improve the reliability of Electric actuator, thereby avoid the mistakenly stop car that economic benefit is caused unnecessary loss, those skilled in the art need research badly and develop a kind of intelligent electric actuating mechanism that prevents misoperation.
Summary of the invention
The technical problem that the utility model will solve is to provide a kind of intelligent electric actuating mechanism that prevents misoperation, and its input is little, safe and reliable to operation, simple to operate, easy to maintenance.
For realizing above-mentioned purpose; The utility model provides a kind of intelligent electric actuating mechanism that prevents misoperation; Be assemblied on the valving; Said intelligent electric actuating mechanism includes the protected location that is used to prevent misoperation, and said protected location comprises: the conducting that can realize control loop that links to each other successively and programmable controller, DC relay, A.C. contactor, state-detection switch and the overcurrent protection device of cut-out.
Intelligent electric actuating mechanism according to the utility model; Can improve the reliability of its operation, avoid because electromagnetic interference, circuit are aging, the chip internal fault causes actuator to send bad command to cause valving to change original position avoiding taking place security incident and unnecessary economic loss.This protected location can be applicable to any intelligent electric actuating mechanism.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.Wherein:
Fig. 1 is the control schematic representation of the intelligent electric actuating mechanism of the utility model.
Embodiment
Below, through exemplary mode of execution the utility model is specifically described.Yet should be appreciated that under the situation that is not having further narration element, structure and characteristic in mode of execution also can be attached in other mode of execution valuably.
Consult shown in Figure 1ly, the utility model discloses a kind of intelligent electric actuating mechanism that prevents misoperation, be assemblied on the valving.Be worth being with pointing out; Misoperation for fear of valve; Said intelligent electric actuating mechanism includes protected location, and said protected location also comprises: the programmable controller M, DC relay, A.C. contactor, state-detection switch and the overcurrent protection device that link to each other successively.Wherein, said programmable controller also includes the control program configuration, and programmable controller can be realized the conducting and the cut-out of control loop, and configuration program can be realized the logical operation of intelligent electric actuating mechanism, realizes long-range permission switch command.
To specifically introduce the operating process of the utility model intelligent electric actuating mechanism below.At first, intelligent electric actuating mechanism is assemblied on the suitable valve device, the back that powers on is confirmed to show normal.Connect on-the-spot control signal cable to the control room, the field adjustable valve confirms that up to standard-sized sheet, complete shut-down state signal is with on-the-spot consistent.After the outage, in intelligent mainboard control loop series connection a pair of passive auxiliary contact S1, S2, S3, S4 and the node access controller in, controller is carried out configuration and debugging.Through the debugging and practical operation up to reaching predetermined function.
Option A:
1, remote opening or close mortor operated valve each by bipartition; Promptly allow the order of local operation and On/Off; The On/Off control loop is supplied power is provided the direct current of 24V by the scene, the permission local operation is sent in the control room when sending the On/Off pulse command.
2, state is delivered to the control room by the scene, participates in shutdown command and allows local operation.
Option b:
1, control loop power supply provides the Ac of 220V by the control room, opens order relay and one through one and closes the series connection of order relay and deliver to the scene, the switch of control mortor operated valve.
2, state is delivered to the control room by the scene, and that does to show and order resets.(system detects the order shielding that time-delay 5s will send behind the state of power door operation, opens feedback and shields order, closes the feedback shielding and closes order, and both do not disturb mutually)
Further, the utlity model has following two kinds of control modes:
1, the automatic control mortor operated valve ON/OFF of interlocking on-the-spotly allows operation signal and switches on the spot remote button to operate except that carrying out lever operated can sending through total control on the spot.
2, procedure auto-control mortor operated valve ON/OFF need not artificial interference, and execute-in-place has two kinds of methods, and a, bat-handle switch b, total control are sent and allowed operation signal on the spot, and diverter switch is got on the spot, and hand push button is operated.
Further, the utlity model has following other two kinds of control modes:
1, interlocking is controlled the mortor operated valve pass automatically, and the scene does not have long-range on the spot switching push button, can carry out execute-in-place through handle.
2, after mortor operated valve is always controlled no interlocking signal or the lasting 5s of interlocking signal, can always control manually opened mortor operated valve.
The purpose cheaply of the utility model intelligent electric actuating mechanism be achieved in that the intelligent electric actuating mechanism control loop just/counter-rotating contactor coil A1 end a pair of passive auxiliary contact S1, S2, S3, the S4 of often opening that respectively connect by tele-control system control; Purpose is to cut off control loop contactor excitation power supply through the configuration of controller being realized the logic control of upper-position unit, can guarantee that valve can malfunction.When the needs local operation, can the manual setting instruction make auxiliary contact closed, throw over switch switches to manual mode on the spot, drives valve more according to actual needs and closes valve.Automatically in the control according to closed simultaneously local operation relay, the forward or reverse contactor of allowing of interlocking signal and regulated signal, when allow to throw on the spot relay not closed state automatically or manual actuator all can't move.
Intelligent electric actuating mechanism according to the utility model; Can improve the reliability of its operation, avoid because electromagnetic interference, circuit are aging, the chip internal fault causes actuator to send bad command to cause valving to change original position avoiding taking place security incident and unnecessary economic loss.Because the protected location of the utility model can be applicable to any intelligent electric actuating mechanism, therefore has extensive applicability.
Be appreciated that the utility model describes through some embodiments, those skilled in the art know, under the situation of spirit that does not break away from the utility model and scope, can carry out various changes or equivalence replacement to these characteristics and embodiment.In addition, under the instruction of the utility model, can make amendment to these characteristics and embodiment not to break away from the spirit and the scope of the utility model to adapt to concrete situation and material.Therefore, the utility model does not receive the restriction of specific embodiment disclosed herein, and all fall into the protection domain that embodiment in the application's the claim scope belongs to the utility model.
Claims (1)
1. intelligent electric actuating mechanism that prevents misoperation; Be assemblied on the valving; It is characterized in that; Said intelligent electric actuating mechanism includes the protected location that is used to prevent misoperation, and said protected location comprises: the conducting that can realize control loop that links to each other successively and programmable controller (M), DC relay, A.C. contactor, state-detection switch and the overcurrent protection device of cut-out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200190835U CN202469139U (en) | 2012-01-13 | 2012-01-13 | Intelligent electric actuator for preventing malfunction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200190835U CN202469139U (en) | 2012-01-13 | 2012-01-13 | Intelligent electric actuator for preventing malfunction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202469139U true CN202469139U (en) | 2012-10-03 |
Family
ID=46917298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200190835U Expired - Fee Related CN202469139U (en) | 2012-01-13 | 2012-01-13 | Intelligent electric actuator for preventing malfunction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202469139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269912A (en) * | 2017-08-08 | 2017-10-20 | 内蒙古鄂尔多斯联合化工有限公司 | A kind of new electric operator |
-
2012
- 2012-01-13 CN CN2012200190835U patent/CN202469139U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269912A (en) * | 2017-08-08 | 2017-10-20 | 内蒙古鄂尔多斯联合化工有限公司 | A kind of new electric operator |
| CN107269912B (en) * | 2017-08-08 | 2019-11-08 | 内蒙古鄂尔多斯联合化工有限公司 | A kind of novel electric operator |
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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: 20121003 Termination date: 20140113 |