CN207601131U - A kind of external breaker of electric energy meter answers lock system - Google Patents
A kind of external breaker of electric energy meter answers lock system Download PDFInfo
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- CN207601131U CN207601131U CN201721798911.9U CN201721798911U CN207601131U CN 207601131 U CN207601131 U CN 207601131U CN 201721798911 U CN201721798911 U CN 201721798911U CN 207601131 U CN207601131 U CN 207601131U
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Abstract
The utility model provides a kind of external breaker of electric energy meter and answers lock system,It includes MCU,Power module,Control signal detection module for the motor drive module for driving circuit-breaker switching on-off and for obtaining control signal,The MCU is connect with the motor drive module,The MCU is connect with the control signal detection module,The control circuit is additionally provided with to detect the handle position detection module of handle present position and gear position detection module,The gear position detection module drives the motor of driving gear rotation and MCU connections respectively,The handle position detection module is connect with the MCU,The utility model is detected by introducing handle position detection and gear position,Whether manual operation occurred on handle when alloing the MCU clearly to know current action,So as to be distinguished when execution acts,Avoid potential risk.
Description
Technical field
The utility model is related to the external breaker technical fields of electric energy meter, and in particular to a kind of external breaker of electric energy meter is answered
Lock system.
Background technology
According to the intelligentized demand of China's supply network, State Grid Corporation of China requires breaker to realize supply network intelligence
Change, it is desirable that remote control can be carried out in end user location and carry out the functions such as the functions such as divide-shut brake and pre-payment, and put into effect
Relevant criterion, such as《The external on-load switch technical specification of electric energy meter》.The specification provides that the external breaker automatic type of electric energy meter produces
Product must have hand automatic switching function, pull down circuit breaker handle when late-class circuit needs repairing, and switching working mode
To manual position.But broad masses of the people not fully understand, and do not know about the function of the breaker even, it is likely that only
Shake hands handle and without operating mode handover operation, leave security risk.
Utility model content
For the deficiency more than solving, the utility model provides a kind of external breaker of electric energy meter and answers lock system.
The utility model provides a kind of external breaker of electric energy meter and answers lock system, including MCU, power module, for driving
The motor drive module of dynamic circuit-breaker switching on-off and the control signal detection module for obtaining control signal, the MCU with
The motor drive module connection, the MCU are connect with the control signal detection module, and the control circuit, which is additionally provided with, to be used for
Detect the handle position detection module and gear position detection module of handle present position, the gear position detection module point
Not Dai Dong driving gear rotation motor and MCU connections, the handle position detection module connect with the MCU, the MCU
The multiple lock module that control instruction is sent out after artificial sub-switching operation is additionally provided with, the MCU passes through handle position detection module and tooth
The signal of wheel position detecting module detection is judged, if artificial sub-switching operation occurred, and is locked and driven by multiple lock module
Dynamic model block.
The control circuit is additionally provided with function switch module.
The gear position detection module is detected including two states：Driving gear reset position detects, driving gear point
Gate position detects.
The gear position detection module uses microswitch.
The anode series diode D12 that the control signal detection module includes optocoupler U4, the optocoupler U4 is followed by port
The cathode of CTR, the optocoupler U4 are sequentially connected in series resistance R19 and resistance R17 and connect alternating current N lines, and the collector of the optocoupler U4 connects electricity
The emitter of source VCC_5, the optocoupler U4 pass sequentially through capacitance C10, resistance R11 ground connection and are followed by MCU.
It connects between the anode of the optocoupler U4 and diode D12 light emitting diode.
Parallel diode D10, capacitance C8 and capacitance C21 successively between the anode and cathode of the optocoupler U4.
The handle position detection module includes the actuator being linked with circuit breaker handle and is triggered by actuator
Have at least two microswitches, the actuator have in breaker closing trigger a microswitch first state
With the second state that another microswitch is triggered in breaker open operation.
The utility model is detected by introducing handle position detection and gear position so that MCU, which can clearly know, to be worked as
Whether manual operation occurred on handle during preceding action, and so as to be distinguished when execution acts, avoided potential risk.
Description of the drawings
Fig. 1 is the logic diagram of the utility model.
Fig. 2 is the circuit diagram of power module.
The circuit diagram of Fig. 3 signal detection modules in order to control.
Fig. 4 is the circuit diagram of MCU.
Fig. 5 is the circuit diagram of handle position detection module and gear position detection module.
Fig. 6, Fig. 7, Fig. 8 and Fig. 9 are the partial schematic diagram of Fig. 2.
Figure 10 is the operating procedure schematic diagram of the utility model.
Specific embodiment
The utility model embodiment is described further below in conjunction with the accompanying drawings：
As shown in Fig. 1 to Fig. 9, the utility model discloses a kind of external breakers of electric energy meter to answer lock system, including
MCU1, power module 3, the motor drive module 2 for driving circuit-breaker switching on-off and the control for acquisition control signal
Signal detection module 5, the MCU1 are connect with the motor drive module 2, and the MCU outputs control signal is simultaneously driven by motor
Dynamic model block drive gear rotates, and so as to fulfill reclosing operation, the MCU1 is connect with the control signal detection module 5, institute
The signal that MCU obtains control signal detection module output is stated, the control circuit is additionally provided with to detect handle present position
Handle position detection module 6 and gear position detection module 7, the gear position detection module drive driving tooth to rotate respectively
Dynamic motor and MCU connections, the handle position detection module are connect with the MCU.The MCU uses PIC16F1503 cores
Piece.
Wherein handle position detection module for detecting circuit breaker handle present position, by coincidence brake mechanism with open circuit
The actuator driving of device handle coaxial linkage is realized；Gear position detection module is used to detect reclosing device driving gear place
Position is driven by driving gear and realized.
And MCU is additionally provided with multiple lock module, in the circuit breaker handle present position of handle position detection module detection and gear
During the driving gear position difference of position detecting module detection, it is made to determine whether it is artificial separating brake, belongs to people in judgement
During for separating brake, then lock module then locks drive module again, and the No switching on when signal is controlled to arrive again avoids potential electric shock wind
Security reliability is improved in danger.
The control circuit is additionally provided with function switch module 4, and function switch module is used to convert the control of the control circuit
Function is realized manually with automatic function switch.
Based on product function, gear open position, reset gear position are passed through in driving gear rotation successively, and driving handle is straight
To handle closing position；When driving gear is rotated between gear open position and reset gear position, handle is in freely
State can freely operate manually or via breaker.
The gear position detection module is detected including two states：Driving gear reset position detects, driving gear point
Gate position detects.Driving gear reset position terminates the holding position of rear drive gear for normal closing operation；Driving gear point
Gate position terminates rear drive gear side holding position for normal sub-switching operation.
The gear position detection module uses microswitch.Different fine motions is touched respectively by driving gear rotation to open
It closes to realize that different positions is realized, Hall sensor can also be used to carry out position detection.
As shown in figure 3, the control signal detection module includes optocoupler U4, the anode series diode of the optocoupler U4
D12 is followed by port CTR, and the cathode of the optocoupler U4 is sequentially connected in series resistance R19 and resistance R17 and connects alternating current N lines, the optocoupler U4's
Collector connect power supply VCC_5, the optocoupler U4 emitter pass sequentially through capacitance C10, resistance R11 ground connection be followed by MCU.The light
It connects between the anode of coupling U4 and diode D12 light emitting diode.Between the anode and cathode of the optocoupler U4 successively and union II
Pole pipe D10, capacitance C8 and capacitance C21, the capacitance C8 and capacitance C21 are located at the rear and front end of light emitting diode D9 respectively, come
It realizes the protection of test side and signal filtering, to ensure the accuracy of detection, will be converted into from the control signal with ammeter
The identifiable signals of MCU.
The handle position detection module includes the actuator being linked with circuit breaker handle and is triggered by actuator
Have at least two microswitches, the actuator have in breaker closing trigger a microswitch first state
With the second state that another microswitch is triggered in breaker open operation.Whether the detection is used to identify handle in closing position
It puts.
The power module includes Switching Power Supply and regulator circuit, and wherein switching circuit includes sequentially connected rectified current
Road, input energy storage filter circuit, power supply chip, high frequency transformer, output energy storage filter circuit and linear voltage-stabilizing circuit.In detail
Circuit is shown in Fig. 2, Fig. 6, Fig. 7, Fig. 8 and Fig. 9.
As shown in Figure 10, in operation, it is sub-gate signal or switching signal first by the control signal for judging to obtain,
If sub-gate signal, then automatic brake separating, but during switching signal, then determine whether in manual mode or automatic mode, place
In manual mode, then need closing by hand, and during in automatic mode, then need to judge last time separating brake be manual brake separating or from
Dynamic separating brake, when last time, separating brake belonged to manual, then current close a floodgate is also required to closing by hand, and when last time separating brake belongs to automatic, then
It this time can also automatic closing.
It is practical i.e. whether consistent by two synchronous states of handle position detection module and gear position detection module, come
It is made to determine whether the state in manual brake separating, and is locked drive module by multiple lock module, avoid automatic closing.
Embodiment is not construed as the limitation to the utility model, but changing of being made of any spirit based on the utility model
Into should all be within the protection scope of the utility model.
Claims (8)
1. a kind of external breaker of electric energy meter answers lock system, it is characterised in that：It includes MCU, power module, disconnected for driving
The motor drive module of road device divide-shut brake and for obtain control signal control signal detection module, the MCU with it is described
Motor drive module connects, and the MCU is connect with the control signal detection module, and the control circuit is additionally provided with to detect
The handle position detection module of handle present position and gear position detection module, gear position detection module band respectively
The motor and MCU connections, the handle position detection module of dynamic driving gear rotation are connect with the MCU, and the MCU is also set
There is the multiple lock module that control instruction is sent out after artificial sub-switching operation, the MCU passes through handle position detection module and gear position
The signal for putting detection module detection is judged, if artificial sub-switching operation occurred, and locks driving mould by multiple lock module
Block.
2. the external breaker of a kind of electric energy meter according to claim 1 answers lock system, it is characterised in that：The control circuit
It is additionally provided with function switch module.
3. the external breaker of a kind of electric energy meter according to claim 1 answers lock system, it is characterised in that：The gear position
Detection module is detected including two states：Driving gear reset position detects, the detection of driving gear open position.
4. the external breaker of a kind of electric energy meter according to claim 3 answers lock system, it is characterised in that：The gear position
Detection module uses microswitch.
5. the external breaker of a kind of electric energy meter according to claim 1 answers lock system, it is characterised in that：The control signal
The anode series diode D12 that detection module includes optocoupler U4, the optocoupler U4 is followed by port CTR, the cathode of the optocoupler U4
It is sequentially connected in series resistance R19 and resistance R17 and connects alternating current N lines, the collector of the optocoupler U4 meets power supply VCC_5, the optocoupler U4's
Emitter passes sequentially through capacitance C10, resistance R11 ground connection and is followed by MCU.
6. the external breaker of a kind of electric energy meter according to claim 5 answers lock system, it is characterised in that：The optocoupler U4's
It connects between anode and diode D12 light emitting diode.
7. the external breaker of a kind of electric energy meter according to claim 5 answers lock system, it is characterised in that：The optocoupler U4's
Parallel diode D10, capacitance C8 and capacitance C21 successively between anode and cathode.
8. the external breaker of a kind of electric energy meter according to claim 1 answers lock system, it is characterised in that：The handle position
Detection module includes the actuator being linked with circuit breaker handle and by what actuator triggered there are at least two fine motions to open
It closes, the actuator has the first state of one microswitch of triggering in breaker closing and triggered in breaker open operation
Second state of another microswitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798911.9U CN207601131U (en) | 2017-12-21 | 2017-12-21 | A kind of external breaker of electric energy meter answers lock system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798911.9U CN207601131U (en) | 2017-12-21 | 2017-12-21 | A kind of external breaker of electric energy meter answers lock system |
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| Publication Number | Publication Date |
|---|---|
| CN207601131U true CN207601131U (en) | 2018-07-10 |
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ID=62766194
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721798911.9U Active CN207601131U (en) | 2017-12-21 | 2017-12-21 | A kind of external breaker of electric energy meter answers lock system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907722A (en) * | 2017-12-21 | 2018-04-13 | 浙江天正电气股份有限公司 | A kind of external breaker of electric energy meter answers lock system |
-
2017
- 2017-12-21 CN CN201721798911.9U patent/CN207601131U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907722A (en) * | 2017-12-21 | 2018-04-13 | 浙江天正电气股份有限公司 | A kind of external breaker of electric energy meter answers lock system |
| CN107907722B (en) * | 2017-12-21 | 2024-05-07 | 浙江天正电气股份有限公司 | External circuit breaker double-locking system of electric energy meter |
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