CN103901786A - Electronic controller of air circuit breaker - Google Patents
Electronic controller of air circuit breaker Download PDFInfo
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- CN103901786A CN103901786A CN201410102839.6A CN201410102839A CN103901786A CN 103901786 A CN103901786 A CN 103901786A CN 201410102839 A CN201410102839 A CN 201410102839A CN 103901786 A CN103901786 A CN 103901786A
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Abstract
The invention discloses an electronic controller of an air circuit breaker. The electronic controller of the air circuit breaker comprises a central controller unit, a power module, a current sampling module, a voltage sampling module, a phase detecting module, a display and input module, an execution mechanism detecting and driving module, a communication module and an output module. According to the electronic controller of the air circuit breaker, two power supplies are used for supplying power, current signals and voltage signals are acquired through multiple paths of alternating current signals, the current value and the voltage value are calculated in real time, and the phase difference is detected through a phase detection module; after the acquired current signals and the acquired voltage signals are processed through the central controller unit, and whether a circuit is in an overloading condition or a short circuit condition or a transient interruption condition or an unbalanced current condition or an unbalanced voltage condition or a normal condition can be judged, so that the circuit is protected in different ways according to the different conditions of the circuit; the signals output by the central controller unit are transmitted through the communication module; parameters of the breaker can be adjusted through the display and input module; the operating state of the breaker is output through the output module. The electronic controller of the air circuit breaker has the advantages that the system stability is good, the circuit is simplified, and the power consumption is low.
Description
Technical field
The invention belongs to breaker technical field, the electronic controller of especially a kind of omnipotent breaker or frame circuit breaker.
Background technology
Universal circuit breaker claims again frame-type circuit breaker; be a kind of can connection, electric current under carrying and disjunction normal circuit condition, also can the improper circuit of regulation as conditions such as overload, short circuit, hit, phase shortage, current imbalance, Voltage unbalances under the switchgear of holding circuit.Universal circuit breaker is widely used in electrical power distribution system, and very important effect is played in the safety to electrical network, stable operation.And electronic controller correctly completes the core component of function as isolating switch, therefore people are further strict to the reliability requirement of electronic controller.
Existing circuit breaker intelligent controller comprises central controller, power module, current transformer, voltage transformer (VT), demonstration and load module, topworks's detection and driver module, communication module and output module, power module is central controller power supply, the output terminal of current transformer is connected with the current sampling signal input end of central controller, voltage transformer (VT) is connected with the voltage sampling signal input end of central controller after gathering voltage, after central controller is processed, whether the signal of output belongs to normal or abnormal circuit and drives the electrical apparatus release under different adjustment to carry out corresponding operation through controlling after topworks's detection and driver module detect, by communication module, the signal of central controller output is transferred out simultaneously, and by show and load module to the correlation parameter of isolating switch as the setting valve of protective current, communication speeds etc. modify setting, normal or the abnormality of circuit is exported by output module.
Although power module of the prior art is dual power supply pattern, but its defect is most of linear stabilized power supply chip or employing switching power source chip of adopting, the feature not changing according to current cycle in current transformer power supply is designed method of supplying power to flexibly, and inadequate to the consideration of low power dissipation design.
Current module of the prior art, in the time gathering current signal, does not conventionally carry out the higher amplifier of automatic stepping choice accuracy according to the size of electric current to be measured and causes the problem that measuring accuracy is low; And voltage module is in the time gathering voltage signal, conventionally adopt the directly method of measurement of large electric resistance partial pressure, the method, compared with adopting isolation measurement, has stable not defect.
The topworks of prior art detects with driver module and moves in order to control topworks, needs optional equipment power supply, complex structure, and cost is high.
Summary of the invention
In order to overcome the deficiencies in the prior art, the omnipotent breaker electronic controller of the invention provides a kind of low-power consumption, simplify circuit, powering stable.
To achieve these goals, the technical solution used in the present invention is: a kind of omnipotent breaker electronic controller, comprises central controller (1), power module (4), current acquisition module, voltage acquisition module, phase detecting module (3), shows (7) and load module (81), topworks's detection and driver module (6), communication module (5) and output module (82), the output terminal of described power module (4) is connected with described central controller (1), and described current acquisition module comprises the current transformer (21) being connected with the current acquisition input end of described central controller (1), voltage acquisition module comprises the voltage transformer (VT) (22) being connected with the voltage acquisition input end of described central controller (1), the input end of phase detecting module (3) is connected with described current acquisition module and voltage acquisition module respectively, the output terminal of phase detecting module (3) is connected with described central controller (1), described demonstration (7) and load module (81), topworks is detected and driver module (6), communication module (5) and output module (82) are connected with described central controller (1) respectively, it is characterized in that: described power module (4) comprises transformer-supplied module summation current transformer supply module,
Described transformer-supplied module comprises transformer, the output terminal of transformer is connected with common mode choke (L2), the output terminal of common mode choke (L2) is connected with Switching Power Supply and mu balanced circuit by rectifier (BR1), and the output terminal of mu balanced circuit is connected with described central controller (1);
Described current transformer power supply module comprises that common mode choke (L1), metal-oxide-semiconductor drive chip, metal-oxide-semiconductor drives the high-order output terminal of chip to be connected with metal-oxide-semiconductor (Q1), metal-oxide-semiconductor drives the low level output terminal of chip to be connected with metal-oxide-semiconductor (Q7), one end of common mode choke (L1) is connected with described current transformer (21) one end, and the other end of common mode choke (L1) is connected with described metal-oxide-semiconductor (Q1) and metal-oxide-semiconductor (Q7) respectively; The other end of described current transformer (21) is connected with the current acquisition input end of described central controller (1).
In said structure, omnipotent breaker electronic controller adopts dual power supply, power supply one is that 220V alternating current becomes 24V AC signal through transformer, after rectification, export 12V voltage through low-power consumption Switching Power Supply L5970D, at 3.3V, be the modules power supplies such as electric current, voltage acquisition module, phase detecting module (3), communication module (5), central controller (1) through HT7533 voltage stabilizing; Power supply two is that this current transformer power supply module and above-mentioned transformer-supplied module share a set of Switching Power Supply and mu balanced circuit by quick-magnetic saturated current transformer (21) power supply; This road adopts the mode of software and hardware combining, ensures the power supply of system; Quick-magnetic saturated current transformer (21) is as current source, when electric current changes from small to big to a certain extent, metal-oxide-semiconductor drives chip I R2101 to reach normal power supply voltage, during this period, central controller (1) does not start, metal-oxide-semiconductor drives high-order output terminal control metal-oxide-semiconductor (Q1) conducting of chip I R2101, by input end short circuit, in the time that central controller (1) normally starts, by software output pulse, metal-oxide-semiconductor drives chip I R2101 low level output signal control metal-oxide-semiconductor (Q7) conducting, by this method, ensures the stable of system power supply.
As the further setting of the present invention, described current acquisition module comprises current signal conditioning module, current signal conditioning module comprises common mode choke (L5) and two-stage calculation amplifier, the input end of common mode choke (L5) is connected with described current transformer (21), the output terminal of common mode choke (L5) is connected with the input end of described two-stage amplifier, and the output terminal of two-stage calculation amplifier is connected with the current acquisition input end of described central controller (1).
In said structure, current acquisition can suppress external interference by current transformer (21) input, ensures current signal transmitting; In addition, because the curent change scope of sampling is larger, rated current I
nfor 1000A, sample rate current variation range is from several amperes～several Wan An training, and electric current amplifier section adopts the mode of automatic stepping, can improve measuring accuracy; In the time that sample rate current is little electric current, can adopt the input data of two stage amplifer; And in the time adopting electric current to be large electric current, adopt the input data of single-stage amplifier; Two kinds of modes are carried out suitable amplification targetedly, more flexible.
As the further setting of the present invention, described current acquisition module comprises module virtually, virtually module comprise amplifier (U10D) virtually, etc. resistance (R19) and resistance (R20) and the filter capacitor (CE7) of resistance, the input end of amplifier (U10D) is connected with described power module (4) virtually, virtually the output terminal of amplifier (U10D) be the resistance (R20) that is connected in parallel and filter capacitor (C14) series connection after be connected with resistance (R19) output voltage be also described power module (4) output voltage 1/2.
In said structure, current sample is inputted by current transformer (21), after common mode strategic point stream circle (L5), be input to current signal conditioning module, due to system acquisition be AC signal, for power module of the prior art (4), need to provide negative and positive dual power for power supply, so not only increase equipment increases cost, simultaneously also complicated circuit structure; And this virtually arranging of module AC signal zero-point voltage is risen to Vcc/2, so only need to provide single power supply, simplified power circuit, convenient collection.
As the further setting of the present invention, described voltage acquisition module comprises three-phase current-limiting resistance, be respectively resistance (R41), resistance (R42), resistance (R43), the input end of described three-phase current-limiting resistance is connected with described transformer, and the output terminal of three-phase current-limiting resistance is respectively by being connected with the voltage acquisition input end of described central controller (1) after voltage transformer (VT) (T1, T2, T3) conversion.
In said structure, when voltage signal acquisition, isolate by voltage transformer (VT) (T1, T2, T3), by the conversion of voltage-to-current-voltage (V-I-V), compared with the direct measuring method of the large electric resistance partial pressure mode of employing of the prior art, there is the I/O mouth that can avoid voltage signal direct interference central controller, significantly improve the effect of system stability.
As the further setting of the present invention, described topworks detects with driver module and comprises boost module, described boost module comprises common mode choke (L4), metal-oxide-semiconductor (Q5), commutation diode (D15), electric capacity (CE4), resistance (R100), resistance (R9) and resistance (R10), the input end of described common mode choke (L4) is connected with described power module (4) is anodal, the drain electrode end of described metal-oxide-semiconductor (Q5) is connected with the output terminal of common mode choke (L4) and the positive pole of electric capacity (CE4) with after resistance (R9) series connection, the other end of metal-oxide-semiconductor (Q5) is connected with described power module (4) earth terminal by resistance (R10), described electric capacity (CE4) negative pole is connected with earth terminal.
In said structure, topworks detects with driver module (6) and utilizes central controller (1) output pulse signal, control metal-oxide-semiconductor (Q5) thus open or close the effect of boosting that reaches, voltage signal can provide power supply for the electrical apparatus release that topworks is isolating switch again after boost module boosts after stabilivolt (D12) voltage stabilizing, so just do not need additionally to provide power supply to electrical apparatus release, simplified equipment.
Adopt such scheme, the present invention adopts dual power supply, and stability is better; By multichannel AC signals collecting electric current, voltage signal, calculating in real time electric current, magnitude of voltage and carry out the detection of phase differential by phase detecting module (3) can rated output factor; The electric current, voltage signal that gather are after central controller (1) computing, can be according to the different range of current/voltage value, judgement is to belong to overload, short circuit, hit, phase shortage, current imbalance or Voltage unbalance or normal condition, and make corresponding processing according to the protection feature under different situations, topworks detects with driver module (6) and judges the action of rear drive electrical apparatus release according to the signal of central controller (1) output; In addition, the signal of central controller (1) output can also transfer signals to other smart machines by isolated form RS485 communication module (5), in addition, can adjust some parameters of isolating switch by demonstration (7) and load module (81), such as the parameter such as current setting, traffic rate is adjusted; And the duty of isolating switch can be passed through output module (82) output; Central controller of the present invention (1) has hot memory function, can carry out 32 sub frequency analysis to three-phase current signal simultaneously, supports MODBUS communication protocol, and system all has the effect of low-power consumption from many-sides such as device selection, power circuit designs.
Below in conjunction with accompanying drawing, the invention will be further described.
Brief description of the drawings
Accompanying drawing 1 is specific embodiment of the invention electronic controller system chart;
Accompanying drawing 2 is specific embodiment of the invention double power supply circuit figure;
Accompanying drawing 3 is specific embodiment of the invention current signal Acquisition Circuit figure;
Accompanying drawing 4 is specific embodiment of the invention circuit diagram virtually;
Accompanying drawing 6 is the detection of specific embodiment of the invention topworks and the circuit diagram of driver module.
Embodiment
Specific embodiments of the invention are omnipotent breaker electronic controllers as shown in Fig. 1-6, comprise central controller 1, power module 4, current acquisition module, voltage acquisition module, phase detecting module 3, display module 7, load module 81, topworks's detection and driver module 6, communication module 5 and output module 82.
As shown in Figure 1, this central controller 1 adopts Cortex-M3 single-chip microcomputer, and this single-chip microcomputer comprises AD modulus signal modular converter 11, DMA memory module 12, UART communication module 13, timer module 14, multi-job operation module 15 and GPIO input/output module 16.
This current acquisition module comprises that with the current acquisition input end of central controller 1 be the quick-magnetic saturated current transformer 21 that AD modulus signal modular converter 11 is connected, voltage acquisition module comprises that with the voltage acquisition input end of central controller 1 be the voltage transformer (VT) 22 that AD modulus signal modular converter 11 is connected, the input end of phase detecting module 3 is connected with current acquisition module and voltage acquisition module respectively, the output terminal of phase detecting module 3 is connected with central controller 1, display module 7 is liquid crystal display, load module 81, topworks detects and is connected with the GPIO input/output module 16 of central controller 1 respectively with driver module 6 and output module 82, above-mentioned communication module 5 is connected with the UART communication module 13 of central controller 1.
The output terminal of this power module 4 and central controller 1 are connected to central controller 1 and power, and power module 4 comprises transformer-supplied module summation current transformer supply module; As shown in Figure 2, transformer-supplied module comprises that transformer is voltage dependent resistor (VDR) 7D101, the output terminal of transformer 7D101 is connected with common mode choke L2, the output terminal of common mode choke L2 is connected with switching power circuit and mu balanced circuit by rectifier BR1, and the output terminal of mu balanced circuit is connected with central controller 1; Current transformer power supply module comprises that common mode choke L1, metal-oxide-semiconductor drive chip I R2101, metal-oxide-semiconductor drives the high-order output terminal of chip I R2101 to be connected with metal-oxide-semiconductor Q1, metal-oxide-semiconductor drives the low level output terminal of chip I R2101 to be connected with metal-oxide-semiconductor Q7, one end of common mode choke L1 is connected with current transformer 21 one end, and the other end of common mode choke L1 is connected with metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q7 respectively; The other end of current transformer 21 is connected with the current acquisition input end of central controller 1.
In said structure, omnipotent breaker electronic controller adopts dual power supply, power supply one is that 220V alternating current becomes 24V AC signal through transformer, after diode rectifier bridge BR1 rectification by low-power consumption Switching Power Supply L5970D output 12V voltage, through mu balanced circuit HT7533 voltage stabilizing at 3.3V; Power supply two is to be powered by quick-magnetic saturated current transformer 21, and this road adopts the mode of software and hardware combining, ensures the power supply of system; Quick-magnetic saturated current transformer 21 is as current source, when electric current changes from small to big to a certain extent, metal-oxide-semiconductor drives chip I R2101 to reach normal power supply voltage, during this period, central controller 1 does not start, metal-oxide-semiconductor drives the high-order output terminal control of chip I R2101 metal-oxide-semiconductor Q1 conducting, by input end short circuit, in the time of central controller 1 normal startup, by software output pulse, metal-oxide-semiconductor drives chip I R2101 low level output signal control metal-oxide-semiconductor Q7 conducting, by this method, ensures the stable of system power supply.
As shown in Figure 3, above-mentioned current acquisition module comprises current signal conditioning module, current signal conditioning module comprises the two-stage calculation amplifier of common mode choke L5 and three groups of different amplification, the input end of common mode choke L5 is connected with the three-phase alternating current signal transmitting through current transformer 21 respectively, the output terminal of common mode choke L5 is exported with the two-stage calculation amplifier of above-mentioned three groups of different amplification respectively, and the output terminal of each two-stage calculation amplifier is connected with the current acquisition input end of central controller 1 respectively.The two-stage calculation amplifier of above-mentioned three groups is connection corresponding with three-phase alternating current electric signal respectively, and three groups of two-stage calculation amplifiers are: first group of two-stage calculation amplifier comprises elementary operational amplifier (U7A) and secondary operational amplifier (U9A); Second group of two-stage calculation amplifier comprises elementary operational amplifier (U7B) and secondary operational amplifier (U9B); The 3rd group of two-stage calculation amplifier comprise in elementary operational amplifier (U7C) and secondary operational amplifier (U9C) said structure, and current acquisition can suppress external interference by current transformer 21 inputs, ensures current signal transmitting; In addition, because the curent change scope of sampling is larger, rated current I
nfor 1000A, sample rate current variation range is from several amperes～several Wan An training, and electric current amplifier section adopts the mode of stepping, can improve measuring accuracy; In the time that sample rate current is little electric current, can adopt two stage amplifer; And in the time adopting electric current to be large electric current, adopt single-stage amplifier; Two kinds of modes are carried out suitable amplification targetedly, more flexible.
As shown in Figure 4, above-mentioned current acquisition module comprises module virtually, virtually module comprise amplifier U10D virtually, etc. resistance R 19 and R20 and the filter capacitor CE7 capacitor C 14 of resistance, the input end of amplifier U10D is connected with power module virtually, virtually the output terminal of amplifier U10D be the resistance R 20 that is connected in parallel and filter capacitor C14 series connection after be connected with resistance R 19 output voltage be power module output voltage 1/2.
In said structure, current sample is inputted by current transformer 21, after common mode strategic point stream circle L2, be input to current signal conditioning module, due to system acquisition be AC signal, for power module of the prior art, need to provide negative and positive dual power for power supply, so not only increase equipment increases cost, simultaneously also complicated circuit structure; And this virtually arranging of module AC signal zero-point voltage is risen to Vcc/2, so only need to provide single power supply, simplified power circuit, convenient collection also reduced power consumption simultaneously.
As shown in Figure 5, above-mentioned voltage acquisition module comprises three-phase current-limiting resistance, be respectively resistance R 41, resistance R 42, resistance R 43, the input end of three-phase current-limiting resistance is connected with transformer, and the output terminal of three-phase current-limiting resistance is respectively by being connected with the voltage acquisition input end of central controller 1 after voltage transformer (VT) T1, voltage transformer (VT) T2, voltage transformer (VT) T3 conversion.
In said structure, when voltage signal acquisition, by voltage transformer (VT) T1, voltage transformer (VT) T2, voltage transformer (VT) T3 isolation, by the conversion of voltage-to-current-voltage (V-I-V), compared with the direct employing method of the large electric resistance partial pressure mode of employing of the prior art, there is the I/O mouth that can avoid voltage signal direct interference central controller, significantly improve the effect of system stability.
As shown in Figure 6, above-mentioned topworks detects with driver module and comprises boost module, boost module comprises common mode choke L4, metal-oxide-semiconductor Q5, commutation diode D15, capacitor C E4, resistance R 100, resistance R 9 and resistance R 10, the input end of common mode choke L4 is connected with power module 4 is anodal, one end of metal-oxide-semiconductor Q5 is connected with the output terminal of common mode choke L4 and the input end of capacitor C E4 with after R9 series connection, the other end of metal-oxide-semiconductor Q5 is connected with power module 4 negative poles by resistance R 10, and capacitor C E4 and metal-oxide-semiconductor Q5 are connected in parallel.
In said structure, topworks detects with driver module and utilizes central controller 1 output pulse signal, thereby control metal-oxide-semiconductor Q5 and open or close the effect of boosting that reaches, voltage signal can provide power supply for the electrical apparatus release that topworks is isolating switch again after boost module boosts after stabilivolt D12 voltage stabilizing, so just do not need additionally to provide power supply to electrical apparatus release, simplified equipment.
The present invention adopts dual power supply, and stability is better; By multichannel AC signals collecting electric current, voltage signal, calculating in real time electric current, magnitude of voltage and carry out the detection of phase differential by phase detecting module can be so that the research and design reducing the wastage; The signal of the electric current, voltage signal gathering output after central controller 1 is processed can be according to being that circuit to be made to protection action under different situations be that topworks detects and judges rear drive electrical apparatus release with driver module according to the signal of central controller output and action occurs or action does not occur or postpone to occur the protection actions such as action for overload, short circuit, hit, phase shortage, current imbalance or Voltage unbalance or normal condition; In addition, the signal of central controller output can also transfer signals to the superior and the subordinate's electrical network by isolated form RS485 communication module 5, in addition, can adjust some parameters of isolating switch by liquid crystal display 7, load module 81, such as the parameter such as current setting, traffic rate is adjusted; And the duty of isolating switch can be exported by output module 82; Central controller of the present invention has hot memory function, can carry out 32 sub frequency analysis to three-phase current signal simultaneously, supports MODBUS communication protocol, and system all has the effect of low-power consumption from many-sides such as device selection, power circuit designs.The present invention has advantages of that system stability is good, circuit reduction, low-power consumption.
Claims (9)
1. an omnipotent breaker electronic controller, comprises central controller (1), power module (4), current acquisition module, voltage acquisition module, phase detecting module (3), shows (7) and load module (81), topworks's detection and driver module (6), communication module (5) and output module (82), the output terminal of described power module (4) is connected with described central controller (1), and described current acquisition module comprises the current transformer (21) being connected with the current acquisition input end of described central controller (1), voltage acquisition module comprises the voltage transformer (VT) (22) being connected with the voltage acquisition input end of described central controller (1), the input end of phase detecting module (3) is connected with described current acquisition module and voltage acquisition module respectively, the output terminal of phase detecting module (3) is connected with described central controller (1), described demonstration (7) and load module (81), topworks is detected and driver module (6), communication module (5) and output module (82) are connected with described central controller (1) respectively, it is characterized in that: described power module (4) comprises transformer-supplied module summation current transformer supply module,
Described transformer-supplied module comprises transformer, the output terminal of transformer is connected with common mode choke (L2), the output terminal of common mode choke (L2) is connected with Switching Power Supply and mu balanced circuit by rectifier (BR1), and the output terminal of mu balanced circuit is connected with described central controller (1);
Described current transformer power supply module comprises that common mode choke (L1), metal-oxide-semiconductor drive chip, metal-oxide-semiconductor drives the high-order output terminal of chip to be connected with metal-oxide-semiconductor (Q1), metal-oxide-semiconductor drives the low level output terminal of chip to be connected with metal-oxide-semiconductor (Q7), one end of common mode choke (L1) is connected with described current transformer (21) one end, and the other end of common mode choke (L1) is connected with described metal-oxide-semiconductor (Q1) and metal-oxide-semiconductor (Q7) respectively; The other end of described current transformer (21) is connected with the current acquisition input end of described central controller (1).
2. omnipotent breaker electronic controller according to claim 1, it is characterized in that: described current acquisition module comprises current signal conditioning module, current signal conditioning module comprises common mode choke (L5) and two-stage calculation amplifier, the input end of common mode choke L5 is connected with described current transformer (21), the output terminal of common mode choke (L5) is connected with the input end of described two-stage amplifier, and the output terminal of two-stage calculation amplifier is connected with the current acquisition input end of described central controller (1).
3. omnipotent breaker electronic controller according to claim 1 and 2, it is characterized in that: described current acquisition module comprises module virtually, module comprises amplifier (U10D) virtually virtually, etc. resistance (R19) and the resistance (R20) of resistance, and filter capacitor (CE7), the input end of amplifier (U10D) is connected with described power module (4) virtually, virtually the output terminal of amplifier (U10D) be the resistance (R20) that is connected in parallel and filter capacitor (C14) series connection after be connected with resistance (R19) output voltage be also described power module (4) output voltage 1/2.
4. omnipotent breaker electronic controller according to claim 1 and 2, it is characterized in that: described voltage acquisition module comprises three-phase current-limiting resistance, be respectively resistance (R41), resistance (R42), resistance (R43), the input end of described three-phase current-limiting resistance is connected with described transformer, and the output terminal of three-phase current-limiting resistance is respectively by being connected with the voltage acquisition input end of described central controller (1) after voltage transformer (VT) (T1, T2, T3) conversion.
5. omnipotent breaker electronic controller according to claim 3, it is characterized in that: described voltage acquisition module comprises three-phase current-limiting resistance, be respectively resistance (R41), resistance (R42), resistance (R43), the input end of described three-phase current-limiting resistance is connected with described transformer, and the output terminal of three-phase current-limiting resistance is respectively by being connected with the voltage acquisition input end of described central controller (1) after voltage transformer (VT) (T1, T2, T3) conversion.
6. omnipotent breaker electronic controller according to claim 1 and 2, it is characterized in that: described topworks detects with driver module and comprises boost module, described boost module comprises common mode choke (L4), metal-oxide-semiconductor (Q5), commutation diode (D15), electric capacity (CE4), resistance (R100), resistance (R9) and resistance (R10), the input end of described common mode choke (L4) is connected with described power module (4) is anodal, the drain electrode end of described metal-oxide-semiconductor (Q5) is connected with the output terminal of common mode choke (L4) and the positive pole of electric capacity (CE4) with after resistance (R9) series connection, the other end of metal-oxide-semiconductor (Q5) is connected with described power module (4) earth terminal by resistance (R10), described electric capacity (CE4) negative pole is connected with earth terminal.
7. omnipotent breaker electronic controller according to claim 3, it is characterized in that: described topworks detects with driver module and comprises boost module, described boost module comprises common mode choke (L4), metal-oxide-semiconductor (Q5), commutation diode (D15), electric capacity (CE4), resistance (R100), resistance (R9) and resistance (R10), the input end of described common mode choke (L4) is connected with described power module (4) is anodal, the drain electrode end of described metal-oxide-semiconductor (Q5) is connected with the output terminal of common mode choke (L4) and the positive pole of electric capacity (CE4) with after resistance (R9) series connection, the other end of metal-oxide-semiconductor (Q5) is connected with described power module (4) earth terminal by resistance (R10), described electric capacity (CE4) negative pole is connected with earth terminal.
8. omnipotent breaker electronic controller according to claim 4, it is characterized in that: described topworks detects with driver module and comprises boost module, described boost module comprises common mode choke (L4), metal-oxide-semiconductor (Q5), commutation diode (D15), electric capacity (CE4), resistance (R100), resistance (R9) and resistance (R10), the input end of described common mode choke (L4) is connected with described power module (4) is anodal, the drain electrode end of described metal-oxide-semiconductor (Q5) is connected with the output terminal of common mode choke (L4) and the positive pole of electric capacity (CE4) with after resistance (R9) series connection, the other end of metal-oxide-semiconductor (Q5) is connected with described power module (4) earth terminal by resistance (R10), described electric capacity (CE4) negative pole is connected with earth terminal.
9. omnipotent breaker electronic controller according to claim 5, it is characterized in that: described topworks detects with driver module and comprises boost module, described boost module comprises common mode choke (L4), metal-oxide-semiconductor (Q5), commutation diode (D15), electric capacity (CE4), resistance (R100), resistance (R9) and resistance (R10), the input end of described common mode choke (L4) is connected with described power module (4) is anodal, the drain electrode end of described metal-oxide-semiconductor (Q5) is connected with the output terminal of common mode choke (L4) and the positive pole of electric capacity (CE4) with after resistance (R9) series connection, the other end of metal-oxide-semiconductor (Q5) is connected with described power module (4) earth terminal by resistance (R10), described electric capacity (CE4) negative pole is connected with earth terminal.
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| CN201410102839.6A CN103901786A (en) | 2014-03-19 | 2014-03-19 | Electronic controller of air circuit breaker |
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| CN105207168A (en) * | 2015-09-15 | 2015-12-30 | 苏州新大诚科技发展股份有限公司 | Universal circuit breaker intelligent controller |
| CN105843085A (en) * | 2015-11-26 | 2016-08-10 | 德力西电气有限公司 | Intelligent controller with Wi-Fi communication function for air circuit breakers |
| CN106028712A (en) * | 2016-06-30 | 2016-10-12 | 扬中市众成管路配件有限公司 | Electric cabinet high in integration level |
| CN106451765A (en) * | 2016-08-31 | 2017-02-22 | 江苏创能电器有限公司 | Control device of marine molded case circuit breaker |
| CN108228537A (en) * | 2017-09-26 | 2018-06-29 | 武汉工程大学 | A kind of Intelligent indoor design horizontal measuring instrument |
| CN110187165A (en) * | 2019-07-08 | 2019-08-30 | 西安创特电气科技有限公司 | A kind of single current transformer takes can be with sample circuit and control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100264906A1 (en) * | 2009-04-16 | 2010-10-21 | Panoramic Power Ltd. | Apparatus and Methods Thereof for Power Consumption Measurement at Circuit Breaker Points |
| CN102709127A (en) * | 2012-05-30 | 2012-10-03 | 江苏国星电器有限公司 | Low-voltage alternating current/direct current general under-voltage tripper |
| CN203191750U (en) * | 2013-04-03 | 2013-09-11 | 南京因泰莱配电自动化设备有限公司 | Control device of monostable vacuum circuit breaker permanent magnetic operation mechanism based on PWM |
-
2014
- 2014-03-19 CN CN201410102839.6A patent/CN103901786A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100264906A1 (en) * | 2009-04-16 | 2010-10-21 | Panoramic Power Ltd. | Apparatus and Methods Thereof for Power Consumption Measurement at Circuit Breaker Points |
| CN102709127A (en) * | 2012-05-30 | 2012-10-03 | 江苏国星电器有限公司 | Low-voltage alternating current/direct current general under-voltage tripper |
| CN203191750U (en) * | 2013-04-03 | 2013-09-11 | 南京因泰莱配电自动化设备有限公司 | Control device of monostable vacuum circuit breaker permanent magnetic operation mechanism based on PWM |
Non-Patent Citations (2)
| Title |
|---|
| 王朝霞: "框架式断路器智能控制器的研制", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
| 郑义: "面向智能供配电网的断路器控制器研究与设计", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207168A (en) * | 2015-09-15 | 2015-12-30 | 苏州新大诚科技发展股份有限公司 | Universal circuit breaker intelligent controller |
| CN105843085A (en) * | 2015-11-26 | 2016-08-10 | 德力西电气有限公司 | Intelligent controller with Wi-Fi communication function for air circuit breakers |
| CN106028712A (en) * | 2016-06-30 | 2016-10-12 | 扬中市众成管路配件有限公司 | Electric cabinet high in integration level |
| CN106451765A (en) * | 2016-08-31 | 2017-02-22 | 江苏创能电器有限公司 | Control device of marine molded case circuit breaker |
| CN108228537A (en) * | 2017-09-26 | 2018-06-29 | 武汉工程大学 | A kind of Intelligent indoor design horizontal measuring instrument |
| CN110187165A (en) * | 2019-07-08 | 2019-08-30 | 西安创特电气科技有限公司 | A kind of single current transformer takes can be with sample circuit and control method |
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Application publication date: 20140702 |