CN208923915U - A kind of electric energy meter takes control system, breaker and switch electric control circuit - Google Patents
A kind of electric energy meter takes control system, breaker and switch electric control circuit Download PDFInfo
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- CN208923915U CN208923915U CN201821567029.8U CN201821567029U CN208923915U CN 208923915 U CN208923915 U CN 208923915U CN 201821567029 U CN201821567029 U CN 201821567029U CN 208923915 U CN208923915 U CN 208923915U
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Abstract
A kind of electric energy meter takes control system, the external breaker being connect including electric energy meter and with electric energy meter, the external breaker includes tripping mechanism, the driving motor being connect with tripping mechanism, the motor-drive circuit being connect with driving motor, the motor power module being connect with driving circuit, the switch module being connect with motor power module, the control module being connect with switch module, the control circuit power module being connect with control module.In addition, the invention also discloses a kind of breakers and switch electric control circuit.Using the utility model, the energy is saved.
Description
Technical field
The utility model relates to breaker reclosing technical fields, are related specifically to a kind of electrically operated mechanism circuit of switch.
Background technique
Currently, electric energy meter expense control system is usually made of electric energy meter and the external breaker of electric energy meter.When electric energy meter detects
When subscriber arrearage, electric energy meter sends arrearage signal and gives electric energy meter external breaker, and the external breaker of electric energy meter is according to electric energy meter
Instruct automatic brake separating；After electric energy meter detects that user has continued to pay dues, electric energy meter sends switching signal and gives electric energy meter external open circuit
Device, the external breaker of electric energy meter complete automatic closing according to instruction.
For the external breaker of electric energy meter other than the starting work in subscriber arrearage, most of time operates in standby mode.
Currently, in the standby state, power supply is still powered to motor, therefore there are biggish energy losses.
Utility model content
The purpose of this utility model provides a kind of electric energy meter expense control system, breaker and switch electric control circuit, standby
State ShiShimonoseki powers off electromechanical source, saves the energy.
In order to solve the problems existing in the prior art, the utility model provides a kind of electric energy meter expense control system, which includes:
Electric energy meter and the external breaker connecting with electric energy meter, the external breaker includes tripping mechanism, is connect with tripping mechanism
Driving motor, the motor-drive circuit being connect with driving motor, the motor power module being connect with driving circuit, with motor power
The switch module of module connection, the control module being connect with switch module, the control circuit power module being connect with control module.
In the standby state, control circuit control switch module cuts off motor power circuit and external module to the technical program
Connection, motor power circuit stop be motor power.Therefore, in the standby state, motor does not consume electric energy, has saved energy
Source.In addition, motor power circuit, which is not only arranged, in the technical program is additionally provided with control circuit power module, to make control circuit
Power supply circuit and the power supply circuit of motor separate, to realize being separately controlled for control circuit and motor power supply, into
And it can be realized in the standby state and both save the energy and have the work for not influencing control circuit.
Preferably, the switch module includes triode Q2, field-effect tube Q3, voltage-stabiliser tube D5, resistance R7, resistance R8 and electricity
Hinder R9；The base stage of triode Q2 and one end of resistance R7 and resistance R9 connect together, and the other end and control circuit of resistance R7 connects
It connects, the other end ground connection of resistance R9；The emitter grounding of triode Q2, the collector and resistance R7 and field-effect tube of triode Q2
Grid link together；Be connected with voltage-stabiliser tube D5 between the drain electrode and source electrode of field-effect tube Q3, the source electrode of field-effect tube Q3 with
The plus earth of voltage-stabiliser tube, the drain electrode of field-effect tube and the cathode of voltage-stabiliser tube are connect with motor power circuit.
Correspondingly, the utility model also provides a kind of breaker, which includes:
Including tripping mechanism, the driving motor being connect with tripping mechanism, the motor-drive circuit being connect with driving motor, with
The motor power module of driving circuit connection, the switch module being connect with motor power module, the control being connect with switch module
Module, the control circuit power module being connect with control module.
Preferably, the switch module includes triode Q2, field-effect tube Q3, voltage-stabiliser tube D5, resistance R7, resistance R8 and electricity
Hinder R9；The base stage of triode Q2 and one end of resistance R7 and resistance R9 connect together, and the other end and control circuit of resistance R7 connects
It connects, the other end ground connection of resistance R9；The emitter grounding of triode Q2, the collector and resistance R7 and field-effect tube of triode Q2
Grid link together；The drain electrode of field-effect tube Q3 and the input terminal of motor power circuit connect, the source S of field-effect tube Q3
With ground connection.
Correspondingly, the utility model also provides a kind of switch electric control circuit, which includes: motor power module, with
The switch module of motor power module connection, the control module being connect with switch module, the control circuit being connect with control module
Power module, and with control circuit power module.
It preferably, further include the filter circuit being connect with motor power module, the input terminal of the filter circuit and outside
The both ends of power supply connect, and the first output end of the filter circuit is connect with control module power supply, and the second of the filter circuit
Output end is connect with motor power module.
Preferably, the filter circuit includes diode D1, variable resistance VR1 and capacitor C1；Variable resistance VR1 is parallel to
The both ends of external power supply, the anode of the diode D1 are connect with the anode of external power supply, the cathode and capacitor C1 of diode D1
Anode connection, capacitor C1 cathode ground connection；The anode of capacitor C1 is connect with the first input end of motor power circuit；Two poles
The cathode of pipe D1 is connect with the first input end of control circuit power module, the cathode and control circuit power supply of external input power
The second input terminal connection.
Preferably, the switch module includes triode Q2, field-effect tube Q3, voltage-stabiliser tube D5, resistance R7, resistance R8 and electricity
Hinder R9；The base stage of triode Q2 and one end of resistance R7 and resistance R9 connect together, and the other end and control circuit of resistance R7 connects
It connects, the other end ground connection of resistance R9；The emitter grounding of triode Q2, the collector and resistance R7 and field-effect tube of triode Q2
Grid link together；The drain electrode of field-effect tube Q3 and the input terminal of motor power circuit connect, the source S of field-effect tube Q3
With ground connection.
The electric energy meter of the utility model takes control system when external breaker is standby, and the control circuit of breaker makes switching molding
Block disconnects the connection between motor power circuit and external power supply, therefore motor power circuit no longer gives motor in the standby state
Power supply, therefore electric energy is no longer consumed in motor, saves the energy.
Detailed description of the invention
Fig. 1 is a kind of a kind of schematic diagram of embodiment of electric energy meter expense control system of the utility model；
Fig. 2 is a kind of a kind of schematic diagram of embodiment of breaker of the utility model；
Fig. 3 is a kind of a kind of schematic diagram for the embodiment for switching electric control circuit of the utility model；
Fig. 4 is a kind of schematic diagram of the specific implementation circuit of switch electric control circuit of the utility model.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing.
With reference to Fig. 1, which is a kind of a kind of schematic diagram of embodiment of electric energy meter expense control system of the utility model, the system
Including electric energy meter 1 and external breaker 2, external breaker 2 is connect with electric energy meter 1.When electric energy meter detects subscriber arrearage, electricity
Can table send arrearage signal and give electric energy meter external breaker, the external breaker of electric energy meter according to the instruction automatic brake separating of electric energy meter,
The external breaker of electric energy meter completes automatic closing according to instruction.
Below in the utility model embodiment to external breaker be described in detail.As shown in Fig. 2, the breaker
Including tripping mechanism 21, driving motor 22, motor-drive circuit 23 and switch electric control circuit 24.Its tripping mechanism 21 and drive
Dynamic motor 22 connects, and driving motor 22 is connect with motor-drive circuit 23, motor-drive circuit 23 and switch electric control circuit 24
Connection.Switch electric control circuit controls whether to power to motor, i.e., powers when subscriber arrearage for motor, make driving motor
Task driven tripping mechanism separating brake, and drive tripping mechanism to close a floodgate after user continues to pay dues.Furthermore it is also possible to standby mode when
It waits and stops being that driving motor is powered, saved the energy.
As shown in figure 3, switch electric control circuit 24, including motor power circuit 241, switch module 242, control circuit
243, control circuit power module 244 and current rectifying and wave filtering circuit 245；Motor power circuit 241 is connect with switch module 242,
Switch module 242 is connect with control circuit 243, and control circuit 243 is connect with control circuit power module 244, filter circuit 245
Input terminal and the both ends of external power supply connect, the first output end of filter circuit 245 connect with control circuit power module 27,
The second output terminal of filter circuit 245 is connect with motor power circuit 241；
When specific implementation, current rectifying and wave filtering circuit provides power supply for control circuit power module and motor power circuit.Control
Circuit power module provides working power for control circuit (microcontroller circuit) and switch module.Motor power circuit is motor
Operating provides power supply, and motor power circuit controls its on-off by switch module, when electric energy meter detects subscriber arrearage, electric energy meter
Arrearage signal is provided to control circuit, control circuit gives switch module, switch module conducting, electricity after signal processing and operation
The ground wire of electromechanical source circuit and the ground wire of current rectifying and wave filtering circuit are connected, and motor power circuit starts normally to start and remain operational straight
It is turned off to switch module.Similarly, after electric energy meter detects that user has continued to pay dues, electric energy meter provides the signal for completing to continue to pay dues to outer
The control circuit of breaker is set, control circuit provides motor start stop signal to switch module after signal processing and operation, opens
Module conducting is closed, the ground wire of motor power circuit and the ground wire of current rectifying and wave filtering circuit are connected, and motor power circuit starts normally to open
It moves and remains operational until power circuit control switch module turns off.
As shown in figure 4, current rectifying and wave filtering circuit 245, including diode D1, variable resistance VR1 and capacitor C1；Variable resistance
VR1 is parallel to the both ends of external power supply, and the anode of diode D1 is connect with the anode of external power supply, the cathode and electricity of diode D1
Hold the anode connection of C1, the cathode ground connection of capacitor C1；The anode of capacitor C1 is connect with the first input end of motor power circuit；
The cathode of diode D1 is connect with the first input end of control circuit power module, the cathode and control circuit of external input power
Second input terminal of power module connects.
Switch module 242 includes triode Q2, field-effect tube Q3, voltage-stabiliser tube D5, resistance R7, resistance R8 and resistance R9；Three
The base stage of pole pipe Q2 and one end of resistance R7 and resistance R9 connect together, and the other end of resistance R7 connects to the control circuit, resistance
The other end of R9 is grounded；The emitter grounding of triode Q2, the collector of triode Q2 and the grid of resistance R7 and field-effect tube
It links together；The input terminal of the drain electrode of field-effect tube Q3 and motor power circuit connects, the source S of field-effect tube Q3 with connect
Ground.
Triode Q3 is N-channel (NPN type) enhanced metal-oxide-semiconductor, plays the role of switching tube in circuit.Triode Q3
Drain D is connect with load input terminal, and source S is connect with power ground, and the one of the collector and resistance R7 of grid G and triode Q2
End connection.
Triode Q2 constitutes MCU(single-chip microcontroller as signal conversion element together with resistance R7, R8, R9) circuit and switch
The electrical level matching circuit of module.Resistance R7 mono- terminates power input, and the other end is connect with triode Q2 collector, resistance R8 mono-
End is connect with the base stage of triode Q2, and the other end is connect with control signal input.
Voltage-stabiliser tube D5 is Transient Suppression Diode, is shielded in circuit to MOSFET pipe Q3.
When specific implementation, when control signal input receives high level signal (under standby mode), through resistance R8, R9
The base stage of triode Q2 is applied to after partial pressure, triode Q2 saturation conduction, the grid G of MOSFET pipe Q3 is through triode Q2 and ground
Line is connected, and becomes low level, therefore MOSFET pipe Q3 is in an off state, therefore motor power circuit 241 stops supplying to motor
Electricity saves the energy；Conversely, triode Q2 is cut when control signal input receives low level signal (when subscriber arrearage)
Only, the grid G of MOSFET pipe Q3 is pulled to high level through pull-up resistor R7 by power input (+15V), and MOSFET pipe Q3 is led
Logical, motor power circuit is powered to motor, motor driven breaker open operation.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Claims (8)
1. a kind of electric energy meter takes control system, which is characterized in that the external breaker being connect including electric energy meter and with electric energy meter, it is described
External breaker includes tripping mechanism, the driving motor connecting with tripping mechanism, the motor-drive circuit connecting with driving motor,
The motor power module being connect with driving circuit, the switch module being connect with motor power module, the control being connect with switch module
Molding block, the control circuit power module being connect with control module.
2. electric energy meter according to claim 1 takes control system, which is characterized in that the switch module include triode Q2,
Field-effect tube Q3, voltage-stabiliser tube D5, resistance R7, resistance R8 and resistance R9；The base stage of triode Q2 and the one of resistance R7 and resistance R9
End connects together, and the other end of resistance R7 is connect with control module, the other end ground connection of resistance R9；The emitter-base bandgap grading of triode Q2 connects
The grid on ground, the collector and resistance R7 and field-effect tube of triode Q2 links together；The drain electrode of field-effect tube Q3 and source electrode
Between be connected with voltage-stabiliser tube D5, the source electrode of field-effect tube Q3 and the plus earth of voltage-stabiliser tube, the drain electrode of field-effect tube and voltage-stabiliser tube
Cathode connect with motor power circuit.
3. a kind of breaker, which is characterized in that including tripping mechanism, the driving motor being connect with tripping mechanism, with driving motor
The motor-drive circuit of connection, the motor power module being connect with driving circuit, the switch module being connect with motor power module,
The control module being connect with switch module, the control circuit power module being connect with control module.
4. breaker according to claim 3, which is characterized in that the switch module includes triode Q2, field-effect tube
Q3, voltage-stabiliser tube D5, resistance R7, resistance R8 and resistance R9；The base stage of triode Q2 and one end of resistance R7 and resistance R9 are connected in one
It rises, the other end of resistance R7 is connect with control module, the other end ground connection of resistance R9；The emitter grounding of triode Q2, triode
The collector of Q2 and the grid of resistance R7 and field-effect tube link together；It is connected between the drain electrode and source electrode of field-effect tube Q3
Voltage-stabiliser tube D5, the source electrode of field-effect tube Q3 and the plus earth of voltage-stabiliser tube, the drain electrode of field-effect tube and the cathode of voltage-stabiliser tube and electricity
Electromechanical source circuit connection.
5. a kind of switch electric control circuit characterized by comprising motor power module is opened with what motor power module was connect
Pass module, the control module being connect with switch module, the control circuit power module being connect with control module, and it is electric with control
Road power module.
6. switch electric control circuit according to claim 5, which is characterized in that further include being connect with motor power module
The both ends of filter circuit, the input terminal of the filter circuit and external power supply connect, the first output end of the filter circuit with
The connection of control module power supply, the second output terminal of the filter circuit are connect with motor power module.
7. switch electric control circuit according to claim 6, which is characterized in that the filter circuit include diode D1,
Variable resistance VR1 and capacitor C1；Variable resistance VR1 is parallel to the both ends of external power supply, anode and the outside of the diode D1
The anode connection of power supply, the cathode of diode D1 are connect with the anode of capacitor C1, the cathode ground connection of capacitor C1；The anode of capacitor C1
It is connect with the first input end of motor power module；The cathode of diode D1 and the first input end of control circuit power module connect
It connects, the cathode of external input power is connect with the second input terminal of control circuit power supply.
8. switch electric control circuit according to claim 5, which is characterized in that the switch module include triode Q2,
Field-effect tube Q3, voltage-stabiliser tube D5, resistance R7, resistance R8 and resistance R9；The base stage of triode Q2 and the one of resistance R7 and resistance R9
End connects together, and the other end of resistance R7 is connect with control module, the other end ground connection of resistance R9；The emitter-base bandgap grading of triode Q2 connects
The grid on ground, the collector and resistance R7 and field-effect tube of triode Q2 links together；The drain electrode of field-effect tube Q3 and source electrode
Between be connected with voltage-stabiliser tube D5, the source electrode of field-effect tube Q3 and the plus earth of voltage-stabiliser tube, the drain electrode of field-effect tube and voltage-stabiliser tube
Cathode connect with motor power circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821567029.8U CN208923915U (en) | 2018-09-25 | 2018-09-25 | A kind of electric energy meter takes control system, breaker and switch electric control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821567029.8U CN208923915U (en) | 2018-09-25 | 2018-09-25 | A kind of electric energy meter takes control system, breaker and switch electric control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208923915U true CN208923915U (en) | 2019-05-31 |
Family
ID=66706949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821567029.8U Active CN208923915U (en) | 2018-09-25 | 2018-09-25 | A kind of electric energy meter takes control system, breaker and switch electric control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208923915U (en) |
-
2018
- 2018-09-25 CN CN201821567029.8U patent/CN208923915U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NOARK ELECTRICS (SHANGHAI) Co.,Ltd. Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000023 Denomination of utility model: Circuit break and switch electric control circuit of electric energy meter fee control system Granted publication date: 20190531 License type: Common License Record date: 20200426 |