CN205942352U - Circuit breaker controller circuit of automatic coincidence of low -power consumption - Google Patents
Circuit breaker controller circuit of automatic coincidence of low -power consumption Download PDFInfo
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- CN205942352U CN205942352U CN201620906924.2U CN201620906924U CN205942352U CN 205942352 U CN205942352 U CN 205942352U CN 201620906924 U CN201620906924 U CN 201620906924U CN 205942352 U CN205942352 U CN 205942352U
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Abstract
The utility model relates to a circuit breaker controller circuit of automatic coincidence of low -power consumption for control the killer switch and realize the divide -shut brake action according to the arrearage condition under low power consumption state, this controller circuit includes: power sub circuit, signal battery detect sub circuit, step -down steady voltage sub circuit: detect sub - circuit connection with signal battery, as low pressure constant voltage power supply, killer switch position sigual detection sub circuit, singlechip, the motor hall sensor driver chip of controller circuit inside. Compared with the prior art, the utility model has the advantages of full automatization, judgement accuracy, ultra -low power consumption, detection accuracy.
Description
Technical field
The utility model is related to a kind of breaker controller, especially relates to a kind of breaker control of low-power consumption automatic reclosing
Device circuit processed.
Background technology
The research and development of the external breaker of electric energy meter are for replacing the brand-new exploitation that the external breaker of semi-automatic electric energy meter is carried out, mesh
Front most of electricity box are all to install the external breaker of semi-automatic electric energy meter.
The external breaker of semi-automatic electric energy meter, can only realize arrearage separating brake, and after arrearage separating brake, payment completes to need to enter manually
Row closes a floodgate, and user could normally use, and the external breaker of semi-automatic electric energy meter enters, electricity charge monitoring mode, and due to its prison
Control pattern is constantly in high power power consumption state, and therefore power consumption is unfavorable for greatly energy-conservation.
With the acceleration of expanding economy and urbanization, city size is increasing, simultaneously as a lot of family is that only have
Old father and mother are in, once arrearage switch trip, because some distribution box installation sites are higher, user cannot be carried out closing
Lock, closes a floodgate after payment and usually needs the professional of grid company to be operated, and the personnel that so can increase grid company need
Ask, this product, in order to meet the requirement to power consumption for the national grid, is mainly entered to the position of the switch using microswitch on the market at present
Row detection, main purpose is the power consumption in order to reduce sensor, thus reducing the power consumption of Switching Power Supply further, but fine motion is opened
Closing the reason such as get rusty easily can affect the life and reliability of product, and common product will not carry out power supply signal detection, deposits
Repeat power down, on electric product malfunction risk.
Therefore, in order to reduce customer complaint, preferably service to user, we be badly in need of a can collect arrearage separating brake, pay
Take automatic closing, and be capable of the external breaker of the full automatic electric energy meter of low-power consumption.
Utility model content
The purpose of this utility model be exactly provide to overcome the defect that above-mentioned prior art exists a kind of full-automatic,
Accuracy of judgement, super low-power consumption, the breaker controller circuit of the accurate low-power consumption automatic reclosing of detection.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of breaker controller circuit of low-power consumption automatic reclosing, in order to control breaker to open under low power consumpting state
Close and divide-shut brake action is realized according to arrearage situation, this controller circuitry includes：
Power supply electronic circuit：Including a full-wave rectification bridge, the bus bar side controlling killer switch is connected to by end of incoming cables, and
And power for whole controller circuitry；
Power supply signal detects electronic circuit：It is connected with power supply electronic circuit, including partial pressure detector unit and LC filter unit, in order to
The bus that detection end of incoming cables is located whether there is voltage, and carries out LC filtering to power supply electronic circuit；
Lowering and stabilizing blood pressure electronic circuit：It is connected with power supply signal detection electronic circuit, as the low pressure voltage stabilizing within controller circuitry
Power supply；
Killer switch position signalling detects electronic circuit：Control killer switch position is detected respectively using Hall element
Put；
Arrearage signal detection electronic circuit：Obtain the arrearage signal of bus bar side ammeter and send single-chip microcomputer to；
Single-chip microcomputer：Respectively power supply signal is obtained by power supply signal pin, arrearage signal pins obtain killer switch
The arrearage signal of bus bar side ammeter and the position signalling being obtained control killer switch by switch position signal pin, are gone forward side by side
Row logic judgment, produces the control signal of motor/Hall element driving chip and the enable signal of Hall element；
Motor/Hall element driving chip：It is connected with single-chip microcomputer, produce electricity after the control signal receiving single-chip microcomputer
Machine drive signal and Hall element drive signal, controlled motor rotates and controls killer switch to realize divide-shut brake action and control
Hall element detection switch position processed.
Described partial pressure detector unit include the tenth electric capacity, the 11st electric capacity and the second resistance being sequentially connected in series, the 5th
Resistance, the 7th resistance, the tenth resistance and the 12nd resistance, described second resistance is connected with full-wave rectification bridge one output end, institute
The 12nd resistance one end ground connection stated, the tenth described electric capacity one end is connected between the 7th resistance and the tenth resistance, the other end
Ground connection, the 11st described electric capacity one end is connected between the tenth resistance and the 12nd resistance, and the other end is grounded, described monolithic
The power supply signal pin of machine is connected between the tenth resistance and the 12nd resistance.
Described lowering and stabilizing blood pressure electronic circuit is sequentially connected and is constituted by switching power source chip, transformer and linear voltage-stablizer for one
Circuit, output end power pins and the position signal of hall sensor pin with single-chip microcomputer respectively of described linear voltage-stablizer
Connect.
Described arrearage signal detection electronic circuit includes signal transmission unit parallel with one another and signal designation unit, described
Signal transmission unit include the 18th resistance, the 19th resistance, the 20th resistance and the 21st resistance that are sequentially connected, institute
The 21st resistance stated is connected with the arrearage signal pins of single-chip microcomputer, and described signal designation unit is a light emitting diode.
Described Hall element detection controls the position of the switch of breaker to include open position, closing position and freedom
Position.
A kind of control method of breaker controller circuit, comprises the following steps：
1) when not operating, single-chip microcomputer is in cycle discontinuous operation state to breaker controller circuit, and remaining electronic circuit is equal
It is in sleep state；
2) single-chip microcomputer obtains power supply signal and arrearage signal carries out logic decision, when being judged to subscriber arrearage state, enters
Row step 3)；
3) single-chip microcomputer produces the control signal of motor/Hall element driving chip respectively, drives letter including controlled motor
Number and control Hall element drive signal, motor/Hall element driving chip produces after receiving controlled motor drive signal
Motor positive and inverse control signal, and it is sent to motor, controlled motor rotates and realizes separating brake, and motor/Hall element drives simultaneously
Chip receives and controls Hall element drive signal and produce Hall element drive signal, and is sent to Hall element,
Drive Hall element work, detection controls killer switch position and returns to single-chip microcomputer；
4) after separating brake release, Hall element and motor/Hall element driving chip return to sleep state.
Described step 2) in, the method for logic decision is：
If power supply signal is high level, when arrearage signal is low level, then judge user as arrearage state, if power supply signal
For high level, when arrearage signal is high level, then judge that user is in non-arrearage state, if power supply signal is low level,
It is judged to bus dead electricity.
Compared with prior art, the utility model has advantages below：
First, full-automatic：The utility model can obtain the arrearage signal of ammeter automatically, is carried out according to arrearage signal point
Lock and combined floodgate, instead of the mode of original closing by hand, easy to operate.
2nd, accuracy of judgement：Move because existing breaker may carry out separating brake by arrearage and two kinds of situations of bus dead electricity
Make, for avoiding false judgment, be additionally arranged power supply signal and arrearage signal, can accurately carry out separating brake after logic judgment and move
Make.
3rd, super low-power consumption：In monitoring, only single-chip microcomputer is in discontinuous operation state to the utility model, only needs timing to examine
Survey signal, once motion, then wake up other elements and carry out action, after other elements action, return to sleep state, therefore, it is possible to make
Below whole electromechanical source line standby input power consumption AC0.2mA, below control signal wire power consumption AC1mA.
4th, detect accurately：The utility model replaces original microswitch that the position of the switch is carried out using Hall element
Detection, it is therefore prevented that microswitch gets rusty easily and the detection bringing of wearing and tearing is inaccurate, can adapt to compare relatively rugged environment.
Brief description
Fig. 1 is the circuit diagram that power supply electronic circuit and power supply signal detect electronic circuit.
Fig. 2 is the circuit diagram of lowering and stabilizing blood pressure electronic circuit.
Fig. 3 is the circuit structure diagram of single-chip microcomputer.
Fig. 4 is the circuit structure diagram of motor/Hall element driving chip.
Fig. 5 is the circuit structure diagram of arrearage signal detection electronic circuit.
Fig. 6 detects the circuit structure diagram of electronic circuit for killer switch position signalling, and wherein, figure (6a) is to control breaker
Switch is in the circuit structure diagram of closing position, and figure (6b) is the circuit structure diagram controlling killer switch to be in open position,
Figure (6c) is the circuit structure diagram controlling killer switch to be in free position.
Specific embodiment
With specific embodiment, the utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment：
A kind of breaker controller circuit of low-power consumption automatic reclosing, in order to control killer switch under low power consumpting state
Divide-shut brake action is realized according to arrearage situation, this controller circuitry includes：
Power supply electronic circuit：Including a full-wave rectification bridge, the bus bar side controlling killer switch is connected to by end of incoming cables, and
And power for whole controller circuitry；
Power supply signal detects electronic circuit：Including partial pressure detector unit and LC filter unit, in order to detect what end of incoming cables was located
Bus whether there is voltage, and carries out LC filtering to power supply electronic circuit；
Lowering and stabilizing blood pressure electronic circuit：It is connected with power supply signal detection electronic circuit, as the low pressure voltage stabilizing within controller circuitry
Power supply, lowering and stabilizing blood pressure electronic circuit is one to be sequentially connected and constituted by switching power source chip U2, transformer T1 and linear voltage-stablizer U1
Circuit, switching power source chip U2 adopts UCC28910 chip；
Killer switch position signalling detects electronic circuit：Control killer switch position is detected respectively using Hall element
Put；
Arrearage signal detection electronic circuit：Obtain the arrearage signal of bus bar side ammeter and send single-chip microcomputer U3 to；
As shown in figure 3, single-chip microcomputer U3：Respectively power supply signal is obtained by power supply signal pin, arrearage signal pins obtain
The arrearage signal of the bus bar side ammeter of killer switch and obtained by switch position signal pin and control killer switch
Position signalling, and carry out logic judgment, produces the control signal of motor/Hall element driving chip U4 and Hall element
Enable signal, single-chip microcomputer adopts MSP430FR572X type single-chip microcomputer；
As shown in figure 4, motor/Hall element driving chip U4：It is connected with single-chip microcomputer U3, by receiving motor/Hall
Motor drive signal is produced, controlled motor rotates and controls killer switch to realize division after the control signal of sensor driving chip
Lock action, motor/Hall element driving chip U4 adopts DRV8848 type driving chip.
As illustrated in fig. 1 and 2, power supply electronic circuit uses super low-power consumption Switching Power Supply, and Switching Power Supply uses primary side feedback in itself,
Few using component number, low cost.
Piezo-resistance RV1 is protected to the lightning surge of circuit, and thermistor RT1 protects to circuit start surge
Shield, inductance L1 and L3 in LC filter unit suppress to DM EMI, and L2 suppresses to common mode disturbances, simultaneously both with
Electric capacity C9 forms LC filter circuit, can reduce power consumption in the jamproof power factor (PF) improving circuit simultaneously.
By R2, R5, R7, R10, R12, C10, C11, supply voltage is detected, can effectively prevent power supply from continuously breaking
Electricity goes up the misoperation that electricity causes control loop again, because after power cut-off, Switching Power Supply output has the larger electric capacity of ratio, such as
Re-power after fruit power-off suddenly, because single-chip microprocessor MCU is being run always by capacitance energy storage, control signal and power supply signal all come
Export from ammeter, if do not detected, differentiation of having no idea is control signal wire power-off or power line power-off, so this
Plant the defect that circuit can effectively solve the problem that malfunction.
As shown in figure 5, power supply signal detection electronic circuit passes through R18, R19, R20, R21, R22, C21, C22, C23 to control
Model is monitored, and R23, R24, VD12 indicate to control signal simultaneously, and the power consumption of whole control loop can reach
AC0.2mA, the AC1mA requiring less than standard.
As shown in fig. 6, position of the switch observation circuit, on off state is carried out by Hall element U5, U6, U7 and carries out accurately
Monitoring, closing position, open position, free open position.
Switch closing and switch opening is carried out by U4 controlled motor driving switch, controls Hall element U5, U6, U7 using U4 simultaneously
Power supply loop, this control mode is capable of holding state, and whole system only U3 is in mode of operation, and U3
Low-power consumption mode can intermittently be entered, reduce power consumption further, the power consumption of whole machine can be less than AC0.15mA.
Both operation model, full-automatic model and semi-automatic models of switch can be realized by R4, C7, J1.
The virtual condition ("on" position or gate-dividing state) of ammeter feedback switch can be given by VD13, R25.
Whole circuit realiration realizes arrearage automatic brake separating, the basic training of payment automatic closing according to the presence or absence of control signal
Can, stand-by power consumption can be less than AC0.2mA simultaneously.
Claims (5)
1. a kind of breaker controller circuit of low-power consumption automatic reclosing, in order to control killer switch root under low power consumpting state
Realize divide-shut brake action according to arrearage situation it is characterised in that this controller circuitry includes：
Power supply electronic circuit：Including a full-wave rectification bridge, the bus bar side controlling killer switch is connected to by end of incoming cables, and is
Whole controller circuitry is powered；
Power supply signal detects electronic circuit：It is connected with power supply electronic circuit, including partial pressure detector unit and LC filter unit, in order to detect
The bus that end of incoming cables is located whether there is voltage, and carries out LC filtering to power supply electronic circuit；
Lowering and stabilizing blood pressure electronic circuit：It is connected with power supply signal detection electronic circuit, as the low-voltage regulated power supply within controller circuitry；
Killer switch position signalling detects electronic circuit：Control killer switch position is detected respectively using Hall element；
Arrearage signal detection electronic circuit：Obtain the arrearage signal of bus bar side ammeter and send single-chip microcomputer (U3) to；
Single-chip microcomputer (U3)：Respectively power supply signal is obtained by power supply signal pin, arrearage signal pins obtain killer switch
The arrearage signal of bus bar side ammeter and the position signalling being obtained control killer switch by switch position signal pin, are gone forward side by side
Row logic judgment, produces motor/control signal of Hall element driving chip (U4) and the enable signal of Hall element；
Motor/Hall element driving chip (U4)：It is connected with single-chip microcomputer (U3), by receiving the control signal of single-chip microcomputer (U3)
Produce motor drive signal and Hall element drive signal afterwards, it is dynamic that controlled motor rotation controls killer switch to realize divide-shut brake
Make and control Hall element detection switch position.
2. a kind of breaker controller circuit of low-power consumption automatic reclosing according to claim 1 is it is characterised in that described
Partial pressure detector unit include the tenth electric capacity (R10), the 11st electric capacity (R11) and the second resistance (R2) being sequentially connected in series,
Five resistance (R5), the 7th resistance (R7), the tenth resistance (R10) and the 12nd resistance (R12), described second resistance (R2) with complete
Ripple rectifier bridge one output end connects, and the 12nd described resistance (R12) one end is grounded, and the tenth described electric capacity (R10) one end is even
It is connected between the 7th resistance (R7) and the tenth resistance (R10), the other end is grounded, the 11st described electric capacity (R11) one end connects
To between the tenth resistance (R10) and the 12nd resistance (R12), the other end is grounded, and the power supply signal of described single-chip microcomputer (U3) draws
Pin is connected between the tenth resistance (R10) and the 12nd resistance (R12).
3. a kind of breaker controller circuit of low-power consumption automatic reclosing according to claim 1 is it is characterised in that described
Lowering and stabilizing blood pressure electronic circuit be sequentially connected and constituted by switching power source chip (U2), transformer (T1) and linear voltage-stablizer (U1) for one
Circuit, output end power pins and the Hall element position with single-chip microcomputer (U3) respectively of described linear voltage-stablizer (U1)
Signal pins connect.
4. a kind of breaker controller circuit of low-power consumption automatic reclosing according to claim 1 is it is characterised in that described
Arrearage signal detection electronic circuit include signal transmission unit parallel with one another and signal designation unit, described signal transmission list
Unit includes the 18th resistance (R18), the 19th resistance (R19), the 20th resistance (R20) and the 21st resistance being sequentially connected
(R21), the 21st described resistance (R21) is connected with the arrearage signal pins of single-chip microcomputer (U3), described signal designation list
Unit is a light emitting diode (VD12).
5. a kind of breaker controller circuit of low-power consumption automatic reclosing according to claim 1 is it is characterised in that described
Hall element detection control breaker the position of the switch include open position, closing position and free position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620906924.2U CN205942352U (en) | 2016-08-19 | 2016-08-19 | Circuit breaker controller circuit of automatic coincidence of low -power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620906924.2U CN205942352U (en) | 2016-08-19 | 2016-08-19 | Circuit breaker controller circuit of automatic coincidence of low -power consumption |
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| CN205942352U true CN205942352U (en) | 2017-02-08 |
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| CN201620906924.2U Active CN205942352U (en) | 2016-08-19 | 2016-08-19 | Circuit breaker controller circuit of automatic coincidence of low -power consumption |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094657A (en) * | 2016-08-19 | 2016-11-09 | 德力西电气有限公司 | The breaker controller circuit of a kind of low-power consumption automatic reclosing and control method |
| CN106940392A (en) * | 2017-04-19 | 2017-07-11 | 许昌许继低压电器有限公司 | A kind of external breaker of electric energy meter with automatic divide-shut brake function |
| CN106971922A (en) * | 2017-04-24 | 2017-07-21 | 浙江大学 | Inexpensive low standby power loss takes control breaker control system and control method |
| CN111029226A (en) * | 2019-12-07 | 2020-04-17 | 浙江大学 | Prevent expense accuse circuit breaker control system and expense accuse circuit breaker of destruction |
-
2016
- 2016-08-19 CN CN201620906924.2U patent/CN205942352U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094657A (en) * | 2016-08-19 | 2016-11-09 | 德力西电气有限公司 | The breaker controller circuit of a kind of low-power consumption automatic reclosing and control method |
| CN106094657B (en) * | 2016-08-19 | 2023-10-27 | 德力西电气有限公司 | Low-power-consumption automatic reclosing circuit breaker controller circuit and control method |
| CN106940392A (en) * | 2017-04-19 | 2017-07-11 | 许昌许继低压电器有限公司 | A kind of external breaker of electric energy meter with automatic divide-shut brake function |
| CN106940392B (en) * | 2017-04-19 | 2023-03-31 | 许昌许继低压电器有限公司 | External circuit breaker of electric energy meter with automatic switching-on and switching-off function |
| CN106971922A (en) * | 2017-04-24 | 2017-07-21 | 浙江大学 | Inexpensive low standby power loss takes control breaker control system and control method |
| CN111029226A (en) * | 2019-12-07 | 2020-04-17 | 浙江大学 | Prevent expense accuse circuit breaker control system and expense accuse circuit breaker of destruction |
| CN111029226B (en) * | 2019-12-07 | 2020-11-06 | 浙江大学 | Prevent expense accuse circuit breaker control system and expense accuse circuit breaker of destruction |
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