CN202712047U - Controller of permanent magnet operating mechanism of vacuum circuit breaker - Google Patents
Controller of permanent magnet operating mechanism of vacuum circuit breaker Download PDFInfo
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- CN202712047U CN202712047U CN 201220249782 CN201220249782U CN202712047U CN 202712047 U CN202712047 U CN 202712047U CN 201220249782 CN201220249782 CN 201220249782 CN 201220249782 U CN201220249782 U CN 201220249782U CN 202712047 U CN202712047 U CN 202712047U
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Abstract
The utility model relates to the field of electric power protection and control, and especially relates to a controller of a permanent magnet operating mechanism of a vacuum circuit breaker. The controller comprises a MSP430 single-chip microcomputer core chip, two isolation modules, an indicator light signal output module, an IGBT switching on/off drive module, an IGBT current foldback circuit, a vacuum circuit breaker permanent magnet coil, a capacitor charging management circuit, a switching on/off storage capacitor module, an external watchdog module, a power management module, an intrinsic safety signal input module, an intrinsic safety current-limiting processing circuit, a first external power input processing module, and a second external power input processing module. Beneficial effects of the controller are flexible control, low cost, and small size, and the controller has complete high-low voltage electric isolation, intrinsic safe input control signals, improved protective measures, and a circuit preventing the single-chip microcomputer from running away, so that problems existed in the prior art are solved.
Description
Technical field
The utility model relates to the electric power protection control field, relates in particular to a kind of controller of vacuum circuit-breaker permanent-magnet operating mechanism.
Background technology
The permanent-magnet manipulating mechanism vacuum circuit-breaker has the characteristics such as volume is little, lightweight, simple in structure, operation is reliable, the life-span is long, non-maintaining, has represented a leap of circuit breaker quality, has vast potential for future development.Permanent-magnet manipulating mechanism must could be realized minute closing operation of switch under the driving of controller, therefore, the performance quality of controller has a great impact the performance of circuit breaker, guarantee the reliably working of circuit breaker, a reliable controller just must be arranged, can say that controller is one of core devices of permanent-magnet manipulating mechanism vacuum circuit-breaker.
The implementation that the controller of front vacuum circuit-breaker permanent-magnet operating mechanism both at home and abroad adopts has 3 kinds:
1. adopt the discrete component design.The discrete component design advantage is that devices at full hardware realizes, but function is few, performance is limited, circuit is complicated, lack flexibility, goes back a large amount of the use now in some old products and existing operating mode.
2. adopt EDA technology (Electronic Design Automation electric design automation).The EDA technology is to adopt FPGA (Field Progrrammable Gate Array) and CPLD (Complex Programmable Logic Device) device to make the special chip of a controlling run, the characteristics of this technology are to realize whole electronic control functions in the mode with pure hardware, programme with hardware description language, program is difficult for race and flies, but structure is complicated, it is higher to control cost, and flexibility is poor than Single-chip Controlling.
3. adopt the single-chip microcomputer design.The single-chip microcomputer scheme mainly adopts software programming, and function is strong, and flexibility is good, and cost is lower, and weak point is to have flight distance order problem in the strong jamming situation, i.e. the instruction address pointer of CPU externally under the strong jamming instruction occurs easily runs and fly.
The utility model content
The utility model is for overcoming the deficiencies in the prior art part; purpose is to provide a kind of controller of novel vacuum circuit-breaker permanent-magnet operating mechanism; this controller control flexibly, cost is low, volume is little; have the input control signal of completely high-low pressure electrical isolation, intrinsic safety, perfect safeguard measure; and anti-single-chip microcomputer runs the circuit that flies, and solved problems of the prior art.
The utility model is to achieve the above object by following technological means: a kind of controller of vacuum circuit-breaker permanent-magnet operating mechanism comprises: MSP430 monolithic microcomputer kernel chip, two isolation modules, the indicator light signal output module, IGBT divide-shut brake driver module, the IGBT current-limiting circuit, vacuum circuit-breaker permanent magnetism coil, the capacitor charging management circuit, the divide-shut brake energy-storing capacitor module, the outer watchdog module, power management module, the intrinsic safety signal input module, intrinsic safety current limliting treatment circuit, the first external power source input processing module, the second external power source input processing module; Described MSP430 monolithic microcomputer kernel chip is connected with outer watchdog module, power management module, IGBT current-limiting circuit, two isolation modules respectively; An isolation module is connected with the intrinsic safety signal input module, and the intrinsic safety signal input module is connected with intrinsic safety current limliting treatment circuit, and intrinsic safety current limliting treatment circuit is connected with the first external power source input processing module; Another isolation module is connected with the indicator light signal output module, and the indicator light signal output module provides power supply by the first external power source input processing module; Another isolation module also is connected with IGBT divide-shut brake driver module, and under the power supply of the first external power source input processing module provided, output divide-shut brake signal was directly controlled vacuum circuit-breaker permanent magnetism coil through IGBT divide-shut brake driver module; The IGBT current-limiting circuit is connected with IGBT divide-shut brake driver module, and the electric current when gathering IGBT work is transferred to MSP430 monolithic microcomputer kernel chip and capacitor charging management circuit with signal; The capacitor charging management circuit provides lower at the power supply of the second external power source input processing module, and signal is transferred to the divide-shut brake energy-storing capacitor module; The divide-shut brake energy-storing capacitor module is connected with vacuum circuit-breaker permanent magnetism coil.
FLASH memory above 4K is arranged in the described MSP430 monolithic microcomputer kernel chip, the RAM of 512B, abundant input/output port, stable performance, super low-power consumption, and have very high anti-interference.
Described two isolation modules are optical coupling isolation circuit, are used for the interference signal that the isolation forceful electric power produces.
Described divide-shut brake energy-storing capacitor module is divided into separating brake energy capacitance set and combined floodgate energy capacitance set, and vacuum circuit-breaker permanent magnetism coil can be separated behind combined floodgate at once, has guaranteed the in case of emergency reliability of separating brake.Separating brake energy capacitance set and combined floodgate energy capacitance set adopt a plurality of little Capacitance parallel connection modes, have effectively reduced installation dimension.
Described intrinsic safety signal input module adopts the mode of two-stage resistance current limliting to do intrinsic safety external signal and processes, for the input of signal under complex environment provides safety assurance.
Described outer watchdog module is comprised of devices at full hardware, has guaranteed the independence of outer watchdog module.
Described power management module, outside input 6V～14V AC power provides 5V to isolation module inside part circuit behind the rectifying and voltage-stabilizing, provide 3.3V voltage to MSP430 monolithic microcomputer kernel chip after voltage stabilizing; Also finish the collection of over-and under-voltage signal, and the result is outputed to MSP430 monolithic microcomputer kernel chip.
Described the second external power source input processing module receives outside 100V～141V AC power, directly offers the capacitor charging management circuit after over commutation and over-voltage over-current protection measure.
Described the first external power source input processing module receives outside input 14V～28V AC power, provides the 18V DC power supply through behind the rectifying and voltage-stabilizing.
The beneficial effects of the utility model: the control of this controller flexibly, cost is low, volume is little, have the input control signal of completely high-low pressure electrical isolation, intrinsic safety, perfect safeguard measure and anti-single-chip microcomputer runs the circuit that flies, and solved problems of the prior art.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with implementation the utility model is described further, but protection range of the present utility model is not limited in this:
As shown in Figure 1, a kind of controller of vacuum circuit-breaker permanent-magnet operating mechanism comprises: MSP430 monolithic microcomputer kernel chip, two isolation modules, indicator light signal output module, IGBT divide-shut brake driver module, IGBT current-limiting circuit, vacuum circuit-breaker permanent magnetism coil, capacitor charging management circuit, divide-shut brake energy-storing capacitor module, outer watchdog module, power management module, intrinsic safety signal input module, intrinsic safety current limliting treatment circuit, the first external power source input processing module, the second external power source input processing module; Described MSP430 monolithic microcomputer kernel chip is connected with outer watchdog module, power management module, IGBT current-limiting circuit, two isolation modules respectively; An isolation module is connected with the intrinsic safety signal input module, and the intrinsic safety signal input module is connected with intrinsic safety current limliting treatment circuit, and intrinsic safety current limliting treatment circuit is connected with the first external power source input processing module; Another isolation module is connected with the indicator light signal output module, and the indicator light signal output module provides power supply by the first external power source input processing module; Another isolation module also is connected with IGBT divide-shut brake driver module, and under the power supply of the first external power source input processing module provided, output divide-shut brake signal was directly controlled vacuum circuit-breaker permanent magnetism coil through IGBT divide-shut brake driver module; The IGBT current-limiting circuit is connected with IGBT divide-shut brake driver module, and the electric current when gathering IGBT work is transferred to MSP430 monolithic microcomputer kernel chip and capacitor charging management circuit with signal; The capacitor charging management circuit provides lower at the power supply of the second external power source input processing module, and signal is transferred to the divide-shut brake energy-storing capacitor module; The divide-shut brake energy-storing capacitor module is connected with vacuum circuit-breaker permanent magnetism coil.
FLASH memory above 4K is arranged in the described MSP430 monolithic microcomputer kernel chip, the RAM of 512B, abundant input/output port, stable performance, super low-power consumption, and have very high anti-interference.MSP430 monolithic microcomputer kernel chip is responsible for the processing of all input/output signals, the management of divide-shut brake action, and it receives separating brake or the switching signal of outside input and fault-signal is inputted, the input of over-and under-voltage signal.
Described two isolation modules are optical coupling isolation circuit, are used for the interference signal that the isolation forceful electric power produces.
Described divide-shut brake energy-storing capacitor module is divided into separating brake energy capacitance set and combined floodgate energy capacitance set, makes vacuum circuit-breaker permanent magnetism coil can separately guarantee the in case of emergency reliability of separating brake behind combined floodgate at once.Separating brake energy capacitance set and combined floodgate energy capacitance set adopt a plurality of little Capacitance parallel connection modes, have effectively reduced installation dimension.
Described intrinsic safety signal input module adopts the mode of two-stage resistance current limliting to do intrinsic safety external signal and processes, for the input of signal under complex environment provides safety assurance.
Described outer watchdog module is comprised of devices at full hardware, does master chip by MAX706, has guaranteed independence, reliability and the fail safe of outer watchdog module.
Described the second external power source input processing module receives outside 100V～141V AC power, directly offers the capacitor charging management circuit after over commutation and over-voltage over-current protection measure.
Described the first external power source input processing module receives outside input 14V～28V AC power, provides the 18V DC power supply through behind the rectifying and voltage-stabilizing.
The capacitor charging management circuit charges when being full of at divide-shut brake storage capacitor end, under being full of or failure condition is arranged, disconnects the charging circuit of divide-shut brake storage capacitor.
The IGBT current-limiting circuit, electric current when gathering IGBT work, when flowing through certain electric current in the IGBT drive circuit, current-limiting circuit is had an effect, the off time energy accumulation capacitor charging circuit, simultaneously signal is passed to the MSP430 acp chip, guarantee that after class faults such as IGBT puncture occur the work of storage capacitor discharge circuit prevents that electric current is excessive, the extension of containment fault allows the user that enough fault handling times are arranged.
The divide-shut brake coil of corresponding separating brake or combined floodgate storage capacitor and permanent magnet vacuum breaker operating mechanism is connected in the conducting of root a tree name IGBT driver module appropriate section, realizes separating brake or the combined floodgate of permanent magnet vacuum breaker operating mechanism.
When having fault to occur or receiving fault-signal, send sub-gate signal control separating brake by the control of MSP430 acp chip, when decompression or under-voltage when reaching certain hour, also send sub-gate signal control separating brake by sending by the control of MSP430 acp chip.
Above described be specific embodiment of the utility model and the know-why used; if comply with the change that conception of the present utility model is done; when its function that produces does not exceed spiritual that specification and accompanying drawing contain yet, must belong to protection range of the present utility model.
Claims (9)
1. the controller of a vacuum circuit-breaker permanent-magnet operating mechanism is characterized in that comprising: MSP430 monolithic microcomputer kernel chip, two isolation modules, indicator light signal output module, IGBT divide-shut brake driver module, IGBT current-limiting circuit, vacuum circuit-breaker permanent magnetism coil, capacitor charging management circuit, divide-shut brake energy-storing capacitor module, outer watchdog module, power management module, intrinsic safety signal input module, intrinsic safety current limliting treatment circuit, the first external power source input processing module, the second external power source input processing module; Described MSP430 monolithic microcomputer kernel chip is connected with outer watchdog module, power management module, IGBT current-limiting circuit, two isolation modules respectively; An isolation module is connected with the intrinsic safety signal input module, and the intrinsic safety signal input module is connected with intrinsic safety current limliting treatment circuit, and intrinsic safety current limliting treatment circuit is connected with the first external power source input processing module; Another isolation module is connected with the indicator light signal output module, and the indicator light signal output module provides power supply by the first external power source input processing module; Another isolation module also is connected with IGBT divide-shut brake driver module, and under the power supply of the first external power source input processing module provided, output divide-shut brake signal was directly controlled vacuum circuit-breaker permanent magnetism coil through IGBT divide-shut brake driver module; The IGBT current-limiting circuit is connected with IGBT divide-shut brake driver module, and the electric current when gathering IGBT work is transferred to MSP430 monolithic microcomputer kernel chip and capacitor charging management circuit with signal; The capacitor charging management circuit provides lower at the power supply of the second external power source input processing module, and signal is transferred to the divide-shut brake energy-storing capacitor module; The divide-shut brake energy-storing capacitor module is connected with vacuum circuit-breaker permanent magnetism coil.
2. the controller of a kind of vacuum circuit-breaker permanent-magnet operating mechanism according to claim 1 is characterized in that described two isolation modules are optical coupling isolation circuit, is used for the interference signal that the isolation forceful electric power produces.
3. the controller of a kind of vacuum circuit-breaker permanent-magnet operating mechanism according to claim 1 is characterized in that described divide-shut brake energy-storing capacitor module is divided into separating brake energy capacitance set and combined floodgate energy capacitance set.
4. the controller of a kind of vacuum circuit-breaker permanent-magnet operating mechanism according to claim 3, separating brake energy capacitance set and combined floodgate energy capacitance set adopt a plurality of little Capacitance parallel connection modes.
5. the controller of a kind of vacuum circuit-breaker permanent-magnet operating mechanism according to claim 1 is characterized in that described intrinsic safety signal input module adopts the mode of two-stage resistance current limliting.
6. the controller of a kind of vacuum circuit-breaker permanent-magnet operating mechanism according to claim 1 is characterized in that described outer watchdog module is comprised of devices at full hardware.
7. the controller of a kind of vacuum circuit-breaker permanent-magnet operating mechanism according to claim 1 is characterized in that described power management module, and outside input 6V～14V AC power provides 5V to isolation module inside part circuit behind the rectifying and voltage-stabilizing; 5V provides 3.3V voltage to MSP430 monolithic microcomputer kernel chip after the voltage stabilizing again; Also finish the collection of over-and under-voltage signal, and the result is outputed to MSP430 monolithic microcomputer kernel chip.
8. the controller of a kind of vacuum circuit-breaker permanent-magnet operating mechanism according to claim 1; it is characterized in that described the second external power source input processing module receives outside 100V～141V AC power, directly offers the capacitor charging management circuit after over commutation and over-voltage over-current protection measure.
9. the controller of the described a kind of vacuum circuit-breaker permanent-magnet operating mechanism of arbitrary claim according to claim 1-8, it is characterized in that described the first external power source input processing module receives outside input 14V～28V AC power, provides the 18V DC power supply through behind the rectifying and voltage-stabilizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220249782 CN202712047U (en) | 2012-05-24 | 2012-05-24 | Controller of permanent magnet operating mechanism of vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220249782 CN202712047U (en) | 2012-05-24 | 2012-05-24 | Controller of permanent magnet operating mechanism of vacuum circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN202712047U true CN202712047U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220249782 Expired - Lifetime CN202712047U (en) | 2012-05-24 | 2012-05-24 | Controller of permanent magnet operating mechanism of vacuum circuit breaker |
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| CN (1) | CN202712047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664122A (en) * | 2012-05-24 | 2012-09-12 | 费江海 | Controller for vacuum-breaker permanent-magnet operating mechanism |
-
2012
- 2012-05-24 CN CN 201220249782 patent/CN202712047U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664122A (en) * | 2012-05-24 | 2012-09-12 | 费江海 | Controller for vacuum-breaker permanent-magnet operating mechanism |
| CN102664122B (en) * | 2012-05-24 | 2014-08-20 | 费江海 | Controller for vacuum-breaker permanent-magnet operating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130130 Effective date of abandoning: 20140820 |
|
| RGAV | Abandon patent right to avoid regrant |