CN202084446U - Permanent-magnet switch controller - Google Patents
Permanent-magnet switch controller Download PDFInfo
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- CN202084446U CN202084446U CN2011200601058U CN201120060105U CN202084446U CN 202084446 U CN202084446 U CN 202084446U CN 2011200601058 U CN2011200601058 U CN 2011200601058U CN 201120060105 U CN201120060105 U CN 201120060105U CN 202084446 U CN202084446 U CN 202084446U
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- circuit
- switch
- permanent
- control unit
- separating brake
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Abstract
The utility model discloses a permanent-magnet switch controller, which comprises a master control unit, a sampling circuit, a contact switching value acquiring input circuit, a switch-off actuating unit, a switch-on actuating unit and a power source unit, wherein the power source unit is used for supplying working power, the switch-off actuating unit comprises a switch-off driving circuit, a switch-off IGBT (insulated gate bipolar transistor) and a switch-off protective circuit, and the switch-on actuating unit comprises a switch-on driving circuit, a switch-on IGBT and a switch-on protective circuit. The permanent-magnet switch controller has functions of electric quantity sampling, contact switching value detecting and the like, is capable of realizing various permanent switch controlling functions according to the required parameters, and accordingly is complete in functions. Besides, the IGBT is a combination of an MOSFET (metal-oxide-semiconductor field effect transistor) and a GTR (giant transistor) and has the advantages of high control speed and precision, long service life and high reliability. Further, corresponding protective circuits are arranged between a switch-off coil and a switch-on coil, so that the service life of the permanent-magnet switch controller is further guaranteed.
Description
Technical field
The utility model relates to a kind of switching control device, particularly a kind of permanent-magnetic switching controller.
Background technology
The core of permanent-magnetic switching is a permanent magnet mechanism, and the maximum characteristics of permanent magnet mechanism are that mechanical structure is simple, and part is few, has improved reliability greatly than spring mechanism.But the controller that cooperates permanent magnet mechanism at present, because the divide-shut brake electric current is big, the back electromotive force height causes the permanent magnetism controller in the present industry often to be burnt, and has limited the development of permanent magnetism widely.In addition, tradition to minute, closing coil switches generally by D.C. contactor and realizes, this D.C. contactor has that control rate is slow, precision is low, the shortcoming of poor reliability.
Summary of the invention
For addressing the above problem, the utility model provides that a kind of functional performance is perfect, reliability is high, the permanent-magnetic switching controller of long service life.
The utility model is that the technical scheme that its problem of solution is adopted is:
A kind of permanent-magnetic switching controller; comprise main control unit; be used to gather the sample circuit of electric quantity data; the contact switch amount is gathered input circuit; the separating brake performance element; combined floodgate performance element and the power subsystem that is used to provide work energy; sample circuit; the output that the contact switch amount is gathered input circuit is connected with main control unit; the separating brake performance element comprises the separating brake drive circuit; be used to control separating brake IGBT and the separating brake protective circuit that switching winding switches; the input of separating brake drive circuit is connected with main control unit; the output of separating brake drive circuit is connected with separating brake IGBT; the separating brake protective circuit is connected between the switching winding; the combined floodgate performance element comprises the combined floodgate drive circuit; be used to control combined floodgate IGBT and the closing protective circuit that closing coil switches; the input of combined floodgate drive circuit is connected with main control unit; the output of combined floodgate drive circuit is connected with combined floodgate IGBT, and the closing protective circuit is connected between the closing coil.
As preferred embodiment, described sample circuit comprises A phase current sampling circuit, B phase current sampling circuit, C phase current sampling circuit and zero-sequence current sample circuit.
As preferred embodiment, described contact switch amount is gathered input circuit and is comprised the loop, divide-shut brake contact that is used to gather switch divide-shut brake contacts status, loop, energy storage contact and the input common return that is used to gather the energy storage contacts status.
As preferred embodiment, the utility model comprises man-machine interface, and described man-machine interface links to each other with main control unit.
As preferred embodiment, the utility model comprises the GPRS communication interface that is connected with main control unit.
As preferred embodiment, the utility model comprises 232/485 communication interface that is connected with main control unit.
As preferred embodiment, the utility model comprises the remote control processing module that is used to receive remote signal, and described remote control processing module is connected with main control unit.
The beneficial effects of the utility model are: the utility model has functions such as electric weight sampling, the detection of contact switch amount simultaneously, can realize various permanent-magnetic switching controlled function, perfect in shape and function based on the parameter of gained; The IGBT that is adopted is the compound of MOSFET and GTR, has characteristics such as high pressure resistant, big electric current, high-frequency, voltage-type driving, compares with traditional D.C. contactor, has that control rate is fast, precision is high, long service life and a high advantage of reliability; The utility model is provided with corresponding protection circuit between switching winding and closing coil, can absorb the back electromotive force that divide-shut brake produces, and realizes overcurrent, over-voltage protection function, has further guaranteed the useful life of permanent-magnetic switching controller.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is that system of the present utility model forms structure chart.
Embodiment
With reference to Fig. 1, a kind of permanent-magnetic switching controller of the present utility model, comprise main control unit 1, be used to gather sample circuit 2, contact switch amount collection input circuit 3, separating brake performance element 4, the combined floodgate performance element 5 of electric quantity data and the power subsystem 6 that is used to provide work energy, the output that sample circuit 2, contact switch amount are gathered input circuit 3 is connected with main control unit 1.Power subsystem 6 partly is made up of forceful electric power processing section and power supply managing, wherein anti-interference process can be carried out to the input power supply of outside in the forceful electric power processing section, the power supply managing part then further will be imported power supply and be converted into the power supply that is fit to the controller use, and the process of conversion comprises rectification, filtering or the like.The effect of sample circuit 2 is the corresponding electric weight in the circuit is gathered, usually, sample circuit 2 comprises A phase current sampling circuit, B phase current sampling circuit, C phase current sampling circuit and zero-sequence current sample circuit, the primary side of each sample circuit is connected with corresponding instrument transformer in A, B, the C three-phase in the electrical network respectively, detects each size of current value.The effect that the contact switch amount is gathered input circuit 3 is the contacts status of each on-off switch is detected, usually, the contact switch amount is gathered input circuit 3 and is comprised the loop, divide-shut brake contact that is used to gather switch divide-shut brake contacts status, loop, energy storage contact and the input common return that is used to gather the energy storage contacts status, the primary side in each loop is connected with corresponding switch respectively, detects corresponding divide-shut brake contact and contact contacts status.Sample circuit 2 and contact switch amount collection input circuit 3 detect the data of handling the back gained and send in the main control unit 1; main control unit 1 can be exported control to controller based on above-mentioned data, realizes logic functions such as syllogic protection, reclosing function, small current neutral grounding protection, looped network function, post acceleration function.
The output operating part of controller is realized by separating brake performance element 4 and combined floodgate performance element 5.Wherein, separating brake performance element 4 comprises separating brake drive circuit 7; be used to control separating brake IGBT 8 and the separating brake protective circuit 9 that switching winding switches; the input of separating brake drive circuit 7 is connected with main control unit 1; the output of separating brake drive circuit 7 is connected with separating brake IGBT 8; separating brake protective circuit 9 is connected between the switching winding; combined floodgate performance element 5 comprises combined floodgate drive circuit 10; be used to control combined floodgate IGBT 11 and the closing protective circuit 12 that closing coil switches; the input of combined floodgate drive circuit 10 is connected with main control unit 1; the output of combined floodgate drive circuit 10 is connected with combined floodgate IGBT 11, and closing protective circuit 12 is connected between the closing coil.When practical application, in order to cooperate the characteristic of IGBT, separating brake drive circuit 9 and combined floodgate drive circuit 10 generally adopt light-coupled isolation to do interference performance with raising in the output of IO mouth, and adopt NPN and PNP triode to form the type of drive of push-pull output circuit, in addition, for preventing that the high pressure spike from appearring in gate drive circuit, IGBT adopts positive-negative power control.Protective circuit is used to absorb the back electromotive force that divide-shut brake produces, and realizes overcurrent, over-voltage protection function.
When practical application, for the ease of controller is checked and control operation, generally also comprise man-machine interface 13 in the controller, man-machine interface 13 links to each other with main control unit 1.Man-machine interface 13 is provided with button, indicator light, switch etc., and the user utilizes this man-machine interface 13 can realize various functions.In addition, the utility model can also further utilize the mode of remote control to move, comprise the remote control processing module 16 that is used to receive remote signal in the controller, remote control processing module 16 is connected with main control unit 1, being provided for and can operating more easily based on this remote control processing module 16.
Except above-mentioned execute-in-place and straighforward operation, this controller can also further be realized inquiry and controlled function by long-range mode.Wherein, controller can comprise the GPRS communication interface 14 that is connected with main control unit 1, also can comprise 232/485 communication interface 15 that is connected with main control unit 1.Implement inquiry and controlled function based on the mode or the mode of the Internet that GPRS communication interface 14 and 232/485 communication interface, 15 long-distance users (as power supply administration etc.) can be by wireless telecommunications to controller.
Execution mode of the present utility model is not restricted to the described embodiments, as long as it reaches technique effect of the present utility model with essentially identical means, all should belong to protection range of the present utility model.
Claims (7)
1. permanent-magnetic switching controller; it is characterized in that comprising main control unit (1); be used to gather the sample circuit (2) of electric quantity data; the contact switch amount is gathered input circuit (3); separating brake performance element (4); combined floodgate performance element (5) and the power subsystem (6) that is used to provide work energy; sample circuit (2); the output that the contact switch amount is gathered input circuit (3) is connected with main control unit (1); separating brake performance element (4) comprises separating brake drive circuit (7); be used to control the separating brake IGBT(8 that switching winding switches) and separating brake protective circuit (9); the input of separating brake drive circuit (7) is connected with main control unit (1); the output of separating brake drive circuit (7) and separating brake IGBT(8) be connected; separating brake protective circuit (9) is connected between the switching winding; combined floodgate performance element (5) comprises combined floodgate drive circuit (10); be used to control the combined floodgate IGBT(11 that closing coil switches) and closing protective circuit (12); the input of combined floodgate drive circuit (10) is connected with main control unit (1); the output of combined floodgate drive circuit (10) and combined floodgate IGBT(11) be connected, closing protective circuit (12) is connected between the closing coil.
2. a kind of permanent-magnetic switching controller according to claim 1 is characterized in that described sample circuit (2) comprises A phase current sampling circuit, B phase current sampling circuit, C phase current sampling circuit and zero-sequence current sample circuit.
3. a kind of permanent-magnetic switching controller according to claim 1 is characterized in that described contact switch amount collection input circuit (3) comprises the loop, divide-shut brake contact that is used to gather switch divide-shut brake contacts status, loop, energy storage contact and the input common return that is used to gather the energy storage contacts status.
4. a kind of permanent-magnetic switching controller according to claim 1 is characterized in that comprising man-machine interface (13), and described man-machine interface (13) links to each other with main control unit (1).
5. a kind of permanent-magnetic switching controller according to claim 1 is characterized in that comprising the GPRS communication interface (14) that is connected with main control unit (1).
6. a kind of permanent-magnetic switching controller according to claim 1 is characterized in that comprising 232/485 communication interface (15) that is connected with main control unit (1).
7. a kind of permanent-magnetic switching controller according to claim 1 is characterized in that comprising the remote control processing module (16) that is used to receive remote signal, and described remote control processing module (16) is connected with main control unit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200601058U CN202084446U (en) | 2011-03-09 | 2011-03-09 | Permanent-magnet switch controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200601058U CN202084446U (en) | 2011-03-09 | 2011-03-09 | Permanent-magnet switch controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202084446U true CN202084446U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200601058U Expired - Fee Related CN202084446U (en) | 2011-03-09 | 2011-03-09 | Permanent-magnet switch controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202084446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779119A (en) * | 2014-02-14 | 2014-05-07 | 福州大学 | Zero-voltage pull-in and zero-current breaking alternating-current monopole intelligent switch |
-
2011
- 2011-03-09 CN CN2011200601058U patent/CN202084446U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779119A (en) * | 2014-02-14 | 2014-05-07 | 福州大学 | Zero-voltage pull-in and zero-current breaking alternating-current monopole intelligent switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20190309 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |