CN203134689U - Breaker bistable permanent magnetic operating mechanism electric control system - Google Patents
Breaker bistable permanent magnetic operating mechanism electric control system Download PDFInfo
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- CN203134689U CN203134689U CN 201320127169 CN201320127169U CN203134689U CN 203134689 U CN203134689 U CN 203134689U CN 201320127169 CN201320127169 CN 201320127169 CN 201320127169 U CN201320127169 U CN 201320127169U CN 203134689 U CN203134689 U CN 203134689U
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Abstract
The utility model discloses a breaker bistable permanent magnetic operating mechanism electric control system. The electric control system comprises a PWM controller, a parameter input module, a moving contact position detection unit, a first IGBT module for performing on-off control on a closing coil, a second IGBT module for performing on-off control on an opening coil, a first IGBT drive module, a second IGBT drive module, a first logic control circuit and a second logic control circuit respectively connected with the PWM controller, and a power supply unit supplying power to each power consumption unit. The operating mechanism of a controlled breaker is a bistable permanent magnetic operating mechanism. The power supply unit comprises a direct current cabinet power supply and a voltage conversion module connected with the direct current cabinet power supply. The breaker bistable permanent magnetic operating mechanism electric control system has the characteristics of reasonable circuit design, wiring convenience, relatively low investment cost, simple use, simple operation and good using effects. The breaker bistable permanent magnetic operating mechanism electric control system further solves problems existing in an electrolytic capacitor driving means adopted by a conventional breaker bistable permanent magnetic mechanism and characterized by inconvenient use, inconvenient operation, and requirements for regular maintenance and electrolytic capacitor replacement, etc.
Description
Technical field
The utility model relates to a kind of electric control system, especially relates to a kind of circuit breaker bi-stable permanent magnetism operating mechanism electric control system.
Background technology
At present, in the employed operating mechanism of medium voltage breaker, bistable-state permanent magnet mechanism is simple in structure owing to it, characteristics such as the source of trouble is few, reliability height obtain extensive concern, and bistable-state permanent magnet mechanism has become the focus of middle piezoelectricity gas manufacturing industry and operation department.Simultaneously, the part of controlling of bistable-state permanent magnet mechanism also becomes a key problem in technology point, and the design of this part is used, and can be directly connected to permanent-magnet breaker reliability service.The driving power of existing bistable-state permanent magnet mechanism is generally provided by big capacity electrochemical capacitor, and cut-offs control with high-power MOS tube.In the actual use, because electrochemical capacitor has certain life-span, and during charging operation under the hot soak condition, thereby want periodic maintenance and replacing, bring some inconvenience for normal use.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of circuit breaker bi-stable permanent magnetism operating mechanism electric control system is provided, its circuit design is rationally, easy-to-connect, input cost is lower and it is easy and simple to handle to use, result of use is good, can effectively solve use operation inconvenience that existing circuit breaker bistable-state permanent magnet mechanism adopts the electrochemical capacitor type of drive to exist, need periodic inspection and change problem such as electrochemical capacitor.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of circuit breaker bi-stable permanent magnetism operating mechanism electric control system, it is characterized in that: comprise the PWM controller, the parameter input module of joining with the PWM controller, the moving contact position detection unit that the moving contact shift position of control circuit breaker is detected in real time, the closing coil of control circuit breaker is carried out the IGBT module one of power on/off control, the switching winding of control circuit breaker is carried out the IGBT module two of power on/off control, the IGBT driver module one that IGBT module one is driven, the IGBT driver module two that IGBT module two is driven, the logic control circuit one that joins with the PWM controller and logic control circuit two and the power supply unit of powering for each power unit respectively, the operating mechanism of the circuit breaker of controlling is bi-stable permanent magnetism operating mechanism, and described power supply unit comprises direct current cabinet power supply and the voltage transformation module that joins with the direct current cabinet power supply, described PWM controller, IGBT module one, IGBT module two, IGBT driver module one, IGBT driver module two, logic control circuit one and logic control circuit two all join with voltage transformation module, described closing coil and switching winding all join with the direct current cabinet power supply, and described moving contact position detection unit and PWM controller join; Described logic control circuit one and logic control circuit two join with IGBT driver module one and IGBT driver module two respectively, and IGBT driver module one and IGBT driver module two join with IGBT module one and IGBT module two respectively; Described PWM controller is 32 embedded microprocessors.
Above-mentioned a kind of circuit breaker bi-stable permanent magnetism operating mechanism electric control system, it is characterized in that: be connected to digital buffer circuit module one between described PWM controller and the logic control circuit one, and be connected to data isolation circuit module two between PWM controller and the logic control circuit two.
Above-mentioned a kind of circuit breaker bi-stable permanent magnetism operating mechanism electric control system, it is characterized in that: described IGBT module one and IGBT module two are IGBT module G80N60.
Above-mentioned a kind of circuit breaker bi-stable permanent magnetism operating mechanism electric control system, it is characterized in that: described IGBT driver module one and IGBT driver module two are IR2110 power drive integrated chip.
Above-mentioned a kind of circuit breaker bi-stable permanent magnetism operating mechanism electric control system, it is characterized in that: also comprise the blocking checkout gear that the blocking to the anti-misoperation locking device of control circuit breaker detects in real time, described blocking checkout gear and PWM controller join.
The utility model compared with prior art has the following advantages:
1, circuit design rationally, easy-to-connect and input cost be lower.
2, use easy and simple to handle and result of use good, adopts 32 embedded microprocessors and utilize PWM copped wave digital modulation mode, drive the on/off switch coil by control IGBT module break-make, reasonable to control curve smoothing in the safety action process, failure rate is little.
3, adopt the direct current cabinet power supply that each power unit is powered, energy is big and almost undamped, not only significantly reduced the maintenance cost of run duration for electric control system, even can be described as non-maintaining, and reduced the processing cost of circuit breaker, efficiently solve use operation inconvenience that existing circuit breaker bistable-state permanent magnet mechanism adopts the electrochemical capacitor type of drive to exist, need periodic inspection and change problem such as electrochemical capacitor.
In sum, the utility model circuit design is rationally, easy-to-connect, input cost is lower and it is easy and simple to handle to use, result of use is good, can effectively solve use operation inconvenience that existing circuit breaker bistable-state permanent magnet mechanism adopts the electrochemical capacitor type of drive to exist, need periodic inspection and change problem such as electrochemical capacitor.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Description of reference numerals:
1-PWM controller; 2-1-digital buffer circuit module one;
2-2-data isolation circuit module two; 3-closing coil;
4-1-IGBT module one; 4-2-IGBT module two; 5-switching winding;
6-1-IGBT driver module one; 6-2-IGBT driver module two;
7-1-logic control circuit one; 7-2-logic control circuit two; 8-1-direct current cabinet power supply;
8-2-voltage transformation module; 9-moving contact position detection unit;
10-parameter input module; 11-blocking checkout gear.
Embodiment
As shown in Figure 1, the utility model comprises PWM controller 1, the parameter input module 10 of joining with PWM controller 1, the moving contact position detection unit 9 that the moving contact shift position of control circuit breaker is detected in real time, the closing coil 3 of control circuit breaker is carried out IGBT module one 4-1 of power on/off control, the switching winding 5 of control circuit breaker is carried out IGBT module two 4-2 of power on/off control, IGBT driver module one 6-1 that IGBT module one 4-1 is driven, IGBT driver module two 6-2 that IGBT module two 4-2 are driven, logic control circuit one 7-1 that joins with PWM controller 1 and logic control circuit two 7-2 and the power supply unit of powering for each power unit respectively, the operating mechanism of the circuit breaker of controlling is bi-stable permanent magnetism operating mechanism, and described power supply unit comprises direct current cabinet power supply 8-1 and the voltage transformation module 8-2 that joins with direct current cabinet power supply 8-1, described PWM controller 1, IGBT module one 4-1, IGBT module two 4-2, IGBT driver module one 6-1, IGBT driver module two 6-2, logic control circuit one 7-1 and logic control circuit two 7-2 all join with voltage transformation module 8-2, described closing coil 3 and switching winding 5 all join with direct current cabinet power supply 8-1, and described moving contact position detection unit 9 is joined with PWM controller 1.Described logic control circuit one 7-1 and logic control circuit two 7-2 join with IGBT driver module one 6-1 and IGBT driver module two 6-2 respectively, and IGBT driver module one 6-1 and IGBT driver module two 6-2 join with IGBT module one 4-1 and IGBT module two 4-2 respectively.Described PWM controller 1 is 32 embedded microprocessors.
In the present embodiment, be connected to digital buffer circuit module one 2-1 between described PWM controller 1 and logic control circuit one 7-1, and be connected to data isolation circuit module two 2-2 between PWM controller 1 and logic control circuit two 7-2.
In the actual use, realize that by logic control circuit one 7-1 and logic control circuit two 7-2 PWM controller 1 exports the logical interlock between the two-way pwm signal.
In the present embodiment, described IGBT module one 4-1 and IGBT module two 4-2 are IGBT module G80N60.Described IGBT driver module one 6-1 and IGBT driver module two 6-2 are IR2110 power drive integrated chip.During actual the use, described IGBT module one 4-1 and IGBT module two 4-2 carry out PWM copped wave by PWM controller 1 respectively to be regulated, can satisfy the service requirement of system, and excellent working performance and the tolerance of the IGBT module G80N60 that FAIRCHILD company produces are strong.The IR2110 power drive integrated chip that IR company produces, technology maturation and stable work in work, reliable.
During actual the use, described IGBT module one 4-1 and IGBT module two 4-2 also adopt the IGBT module of other type.And described IGBT driver module one 6-1 and IGBT driver module two 6-2 also can adopt the power drive chip of other type.
In the present embodiment, the utility model also comprises the blocking checkout gear 11 that the blocking to the anti-misoperation locking device of control circuit breaker detects in real time, and described blocking checkout gear 11 joins with PWM controller 1.
In the actual use, the blocking of 11 pairs of described anti-misoperation locking devices of described blocking checkout gear detects in real time, and with institute's detection signal synchronous driving to PWM controller 1.In the actual mechanical process, when need close a floodgate to control circuit breaker, described PWM controller 1 needs according to the testing result of blocking checkout gear 11 the closing of described anti-misoperation locking device, released state to be judged, and when described anti-misoperation locking device is in released state, could carry out closing operation to control circuit breaker.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every any simple modification, change and equivalent structure of above embodiment being done according to the utility model technical spirit changes, and all still belongs in the protection range of technical solutions of the utility model.
Claims (5)
1. circuit breaker bi-stable permanent magnetism operating mechanism electric control system, it is characterized in that: comprise PWM controller (1), the parameter input module (10) of joining with PWM controller (1), the moving contact position detection unit (9) that the moving contact shift position of control circuit breaker is detected in real time, the closing coil (3) of control circuit breaker is carried out the IGBT module one (4-1) of power on/off control, the switching winding (5) of control circuit breaker is carried out the IGBT module two (4-2) of power on/off control, the IGBT driver module one (6-1) that IGBT module one (4-1) is driven, the IGBT driver module two (6-2) that IGBT module two (4-2) is driven, the logic control circuit one (7-1) that joins with PWM controller (1) and logic control circuit two (7-2) and the power supply unit of powering for each power unit respectively, the operating mechanism of the circuit breaker of controlling is bi-stable permanent magnetism operating mechanism, and described power supply unit comprises direct current cabinet power supply (8-1) and the voltage transformation module (8-2) that joins with direct current cabinet power supply (8-1), described PWM controller (1), IGBT module one (4-1), IGBT module two (4-2), IGBT driver module one (6-1), IGBT driver module two (6-2), logic control circuit one (7-1) and logic control circuit two (7-2) all join with voltage transformation module (8-2), described closing coil (3) and switching winding (5) all join with direct current cabinet power supply (8-1), and described moving contact position detection unit (9) is joined with PWM controller (1); Described logic control circuit one (7-1) and logic control circuit two (7-2) join with IGBT driver module one (6-1) and IGBT driver module two (6-2) respectively, and IGBT driver module one (6-1) and IGBT driver module two (6-2) join with IGBT module one (4-1) and IGBT module two (4-2) respectively; Described PWM controller (1) is 32 embedded microprocessors.
2. according to the described a kind of circuit breaker bi-stable permanent magnetism operating mechanism electric control system of claim 1, it is characterized in that: be connected to digital buffer circuit module one (2-1) between described PWM controller (1) and the logic control circuit one (7-1), and be connected to data isolation circuit module two (2-2) between PWM controller (1) and the logic control circuit two (7-2).
3. according to claim 1 or 2 described a kind of circuit breaker bi-stable permanent magnetism operating mechanism electric control systems, it is characterized in that: described IGBT module one (4-1) and IGBT module two (4-2) are IGBT module G80N60.
4. according to the described a kind of circuit breaker bi-stable permanent magnetism operating mechanism electric control system of claim 3, it is characterized in that: described IGBT driver module one (6-1) and IGBT driver module two (6-2) are IR2110 power drive integrated chip.
5. according to claim 1 or 2 described a kind of circuit breaker bi-stable permanent magnetism operating mechanism electric control systems, it is characterized in that: also comprise the blocking checkout gear (11) that the blocking to the anti-misoperation locking device of control circuit breaker detects in real time, described blocking checkout gear (11) joins with PWM controller (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127169 CN203134689U (en) | 2013-03-19 | 2013-03-19 | Breaker bistable permanent magnetic operating mechanism electric control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127169 CN203134689U (en) | 2013-03-19 | 2013-03-19 | Breaker bistable permanent magnetic operating mechanism electric control system |
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| Publication Number | Publication Date |
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| CN203134689U true CN203134689U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320127169 Expired - Lifetime CN203134689U (en) | 2013-03-19 | 2013-03-19 | Breaker bistable permanent magnetic operating mechanism electric control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157509A (en) * | 2014-07-29 | 2014-11-19 | 东南大学 | Control device and method of bistable permanent-magnet vacuum circuit breaker rapid divide-shut brake |
-
2013
- 2013-03-19 CN CN 201320127169 patent/CN203134689U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157509A (en) * | 2014-07-29 | 2014-11-19 | 东南大学 | Control device and method of bistable permanent-magnet vacuum circuit breaker rapid divide-shut brake |
| CN104157509B (en) * | 2014-07-29 | 2016-08-17 | 东南大学 | A kind of control device and method of the quick divide-shut brake of bistable permanent-magnet vacuum circuit breaker |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |