CN2805064Y - Contacting means with self-testing device - Google Patents
Contacting means with self-testing device Download PDFInfo
- Publication number
- CN2805064Y CN2805064Y CN 200520042881 CN200520042881U CN2805064Y CN 2805064 Y CN2805064 Y CN 2805064Y CN 200520042881 CN200520042881 CN 200520042881 CN 200520042881 U CN200520042881 U CN 200520042881U CN 2805064 Y CN2805064 Y CN 2805064Y
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- CN
- China
- Prior art keywords
- contacting means
- contactor
- counter
- contacting
- self
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model relates to an electromagnetic contacting means, particularly a contacting means with a self-testing device. The utility model solves the technical problems of accurately displaying the action frequency of an ordinary contacting means in actual production, detecting the lack phase situation of a main circuit controlled by the contacting means and simultaneously judging the action situation of an actuating mechanism of the contacting means. The utility model is realized through the technical scheme that the contacting means with the self-testing device comprises a contacting means and a counter connected with the contacting means, a main contact controlling the contacting device is connected to a main loop power supply to be connected with electrical equipment controlled by the contacting means, pulse counting contact points of the counter are connected to an auxiliary contact of the contacting device and the input terminal of a counter driving power supply is connected with the main loop power supply of the main contact controlling the contacting means. The utility model has the controlling function of a normal contacting means, and also the functions of judging self service life, detecting lack phase, counting, etc.
Description
Technical field: the utility model relates to a kind of electromagnetic treadle, and particularly a kind of contactor with self-test device outside the controlled function that realizes normal contactor, also can be realized functions such as self diagnosis in useful life, phase shortage inspection, countings.
Background technology: general common electromagnetic treadle, exchange, all there is following shortcoming in direct current: because of the environment that uses, the difference of the capacity of control appliance, the frequency of action differs and has very big difference with the data that production firm provides the useful life that causes contactor, the contactor service quality is difficult to grasp, and the equipment fault that loss does not wait therefore occurs.Because of the long-term use of contactor or the physical factor of mechanical contact, the secondary contact damage of contactor or phase-deficient operation or the obstructed fault of major loop that the poor quality causes contactor often appear.
Summary of the invention: the purpose of this utility model provides a kind of contactor with self-test device, the technical issues that need to address are: accurately show the action frequency of common contactor in actual production, detect the main circuit phase shortage situation of contactor control, judged the action situation of contactor actuator simultaneously.The utility model is realized by following technical scheme: a kind of contactor with self-test device, comprise contactor and the counter that is attached thereto, the main contact of control contactor inserts in the main circuit power and is connected with the electric equipment of contactor control, the contactor auxiliary contact are received in counter pulse counting contact, and the input terminal of counter driving power joins with the main contact main circuit power of control contactor.
The beneficial effects of the utility model are: when contactor in electric wiring during control of electrical equipment, utilize the main circuit power and the effectively closed auxiliary contact of contactor of contactor control, the actuation counter action, contactor effective control of electrical equipment each time like this, counter all can be made the physics counting one time.Record by counter and regular comparison check can be grasped the actual life of a contactor in this operational environment, i.e. actuator's action frequency.The phenomenon of just changing after overcoming common contactor and only breaking down.Grasping actual life---behind the action frequency, just can in time change contactor, prevent maintenance and owed maintenance.The situation of the driving power by counter can be judged the quality of contactor control main circuit power---accurately judge phase-deficient operation situation two-phase power supply or three phase mains.Because if contactor causes the main power circuit phase shortage because of the contact poor quality, though the contactor adhesive, counter can be because of lacking or not counting less than the driving voltage of rated voltage.When maintenance, come into plain view, self control the quality of contact so this contactor can be diagnosed out.When if phenomenon such as mechanical jam appears in the actuator of contactor, because of the step-by-step counting point of counter can not be closed fully, so the physics counting can not appear in counter.Therefore, contactor of the present utility model can detect the running quality of self certainly.
Description of drawings:
Accompanying drawing is the utility model circuit theory diagrams
Among the figure: the main contact of 1 control contactor, 2 control contactor auxiliary contact, 3 counters, the input terminal of 4 counter driving powers, the electric equipment of 5 contactors control, 6 counter pulses counting contact embodiment: referring to accompanying drawing, being connected with contactor control of electrical equipment 5 in the main contact 1 access main circuit power of control contactor, simultaneously contactor auxiliary contact 2 are received in counter pulse counting contact 6, main contact 1 main circuit power of the input terminal 4 of counter driving power with control contactor joined.So that realize: when main contact 1 adhesive of control contactor, the input terminal 4 of counter driving power has power drives, counter pulse counting contact 6 steady closure are guaranteed in control contactor auxiliary contact 2 adhesives simultaneously, if power supply is normal, the tight adhesive of actuator, then counter 3 will be carried out the physics counting one time.If in these links, there is a step not carry out counter and can not count.It is the diagnosable quality that goes out contactor.
Claims (1)
1, a kind of contactor with self-test device, it is characterized in that: comprise contactor and the counter that is attached thereto, the main contact of control contactor inserts in the main circuit power and is connected with the electric equipment of contactor control, the contactor auxiliary contact are received in counter pulse counting contact, and the input terminal of counter driving power joins with the main contact main circuit power of control contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520042881 CN2805064Y (en) | 2005-06-27 | 2005-06-27 | Contacting means with self-testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520042881 CN2805064Y (en) | 2005-06-27 | 2005-06-27 | Contacting means with self-testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2805064Y true CN2805064Y (en) | 2006-08-09 |
Family
ID=36910349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520042881 Expired - Lifetime CN2805064Y (en) | 2005-06-27 | 2005-06-27 | Contacting means with self-testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2805064Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919252A (en) * | 2017-12-28 | 2018-04-17 | 南京工程学院 | A kind of electromagnetic contactor of tape counter |
-
2005
- 2005-06-27 CN CN 200520042881 patent/CN2805064Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919252A (en) * | 2017-12-28 | 2018-04-17 | 南京工程学院 | A kind of electromagnetic contactor of tape counter |
| CN107919252B (en) * | 2017-12-28 | 2020-12-29 | 南京工程学院 | Electromagnetic contactor with counter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150627 Granted publication date: 20060809 |
|
| EXPY | Termination of patent right or utility model |