CN107564774A - A kind of breaker - Google Patents
A kind of breaker Download PDFInfo
- Publication number
- CN107564774A CN107564774A CN201710929556.2A CN201710929556A CN107564774A CN 107564774 A CN107564774 A CN 107564774A CN 201710929556 A CN201710929556 A CN 201710929556A CN 107564774 A CN107564774 A CN 107564774A
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- Prior art keywords
- breaker
- drive module
- motor drive
- open position
- mcu
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- 230000005693 optoelectronics Effects 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims description 6
- MKGHDZIEKZPBCZ-ULQPCXBYSA-N methyl (2s,3s,4r,5r,6r)-4,5,6-trihydroxy-3-methoxyoxane-2-carboxylate Chemical compound CO[C@H]1[C@H](O)[C@@H](O)[C@H](O)O[C@@H]1C(=O)OC MKGHDZIEKZPBCZ-ULQPCXBYSA-N 0.000 claims 8
- 230000011664 signaling Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 239000012636 effector Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Abstract
The invention discloses a kind of breaker, including：Switching Power Supply, optoelectronic switch, micro-control unit MCU and motor drive module, wherein, optoelectronic switch is used to gather combined floodgate/open position signal, and combined floodgate/open position signal is sent to MCU；MCU is by handling combined floodgate/open position signal, then action signal is sent to motor drive module, motor drive module and drives motor to rotate according to the action signal received, so control breaker point/close a floodgate.Use combined floodgate/open position signal of optoelectronic switch collection killer switch, micro-control unit is dealt with according to the position signalling, the rotation of controlled motor drive module is so as to driving the divide-shut brake of killer switch, due to using trendy Switching Power Supply, saving conventional FET and three-terminal voltage-stabilizing pipe, use cost is reduced, effectively increases the service efficiency of breaker.
Description
Technical field
The present invention relates to technical field of electric equipment, and in particular to a kind of breaker.
Background technology
According to the intelligentized demand of supply network, State Grid Corporation of China requires that supply network is intelligent.Therefore need to power
The end effector of network --- miniature circuit breaker or miniature circuit breaker perform upper end signal and possess tripping operation, closing function.Cause
The current development trend of this miniature circuit breaker be in addition to possessing traditional manual divide-shut brake and the automatic tripping function of over-current and -load,
Also need to that there is electronic divide-shut brake function, i.e., automatic divide-shut brake function, to realize remote control.It is real especially in combination with intelligent electric meter
Existing arrearage automatic trip power-off, fill the function of expense automatic closing power transmission.
The existing electric energy meter breaker with automatic divide-shut brake function, in the design of its circuit in sample circuit, control circuit
Majority uses Hall element and FET, and the collecting efficiency of Hall element is had a great influence by temperature and magnetic field, and field is imitated
Answer that pipe volume is big, price is high so that low space utilization, cost are high in breaker.
The content of the invention
In view of this, the embodiments of the invention provide a kind of breaker, to improve the external circuit breaker sampling circuit of electric energy meter
With the reliability of control circuit.
The invention provides a kind of breaker, including：Optoelectronic switch, micro-control unit (Microcontroller Unit,
MCU) and motor drive module, wherein,
Optoelectronic switch is used to gather combined floodgate/open position signal, and combined floodgate/open position signal is sent to MCU；MCU
Combined floodgate/open position signal is sent to motor drive module, motor drive module is used to be turned according to combined floodgate/open position signal
It is dynamic, and then control dividing/closing a floodgate for breaker.
Alternatively, in addition to：Switching Power Supply, MCU are connected with Switching Power Supply, for sending controlling switch electricity to Switching Power Supply
The on or off level signal in source.
Alternatively, in the first designated pin input high level of combined floodgate/open position signal control motor drive module,
Motor drive module rotates forward；In the second designated pin input high level of combined floodgate/open position signal control motor drive module
When, motor drive module reversion；The first designated pin and the second designated pin is controlled to input height in combined floodgate/open position signal
During level, motor drive module brake.
Alternatively, Switching Power Supply is controlled to close when MCU exports high level；The controlling switch electricity when MCU exports low level
Open in source.
Alternatively, MCU is additionally operable to receive indication signal, and indication signal instruction breaker it is in stable condition lasting when
Between when being more than predetermined threshold, the control signal cut-off for controlling switch power supply is sent to Switching Power Supply；Wherein, indication signal is used
In the state of instruction breaker.
Alternatively, motor drive module is SGM42609 motor drive ics.
Alternatively, MCU is STM8S chips.
The breaker provided in the present embodiment, combined floodgate/open position signal of killer switch is gathered using optoelectronic switch,
Micro-control unit is dealt with according to the position signalling, and the rotation of controlled motor drive module is so as to driving the division of killer switch
Lock, due to being rotated using chip controls motor, conventional Hall element and FET are saved, use cost is reduced, effectively carries
The service efficiency of high breaker.
Brief description of the drawings
The features and advantages of the present invention can be more clearly understood by reference to accompanying drawing, accompanying drawing is schematically without that should manage
Solve to carry out any restrictions to the present invention, in the accompanying drawings：
Fig. 1 shows the circuit connection diagram of breaker in the embodiment of the present invention；
Fig. 2 shows the photoswitch circuit figure of breaker in the embodiment of the present invention；
Fig. 3 shows the micro-control unit MCU of breaker in embodiment of the present invention circuit diagram；
Fig. 4 shows the circuit diagram of the motor drive module of breaker in the embodiment of the present invention；
Fig. 5 shows the circuit diagram of the Switching Power Supply of breaker in the embodiment of the present invention；
Fig. 6 shows that the circuit of the Switching Power Supply of breaker, optoelectronic switch and its peripheral circuit in the embodiment of the present invention connects
Map interlinking.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those skilled in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of protection of the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be mechanically connecting or electrically connecting；Can be joined directly together, also may be used
To be indirectly connected by intermediary, the connection of two element internals is can also be, can be wireless connection or wired
Connection.For the ordinary skill in the art, it can understand that above-mentioned term in the present invention specific contains with concrete condition
Justice.
Referring to Fig. 1, a kind of breaker is present embodiments provided, including optoelectronic switch 10, micro-control unit MCU20 and electricity
Machine drive module 30, wherein, optoelectronic switch 10 is used to gather combined floodgate/open position signal, and combined floodgate/open position signal is sent out
Deliver to MCU20；MCU20, which sends combined floodgate/open position signal to motor drive module 30, motor drive module 30, is used for basis
Combined floodgate/open position signal rotates, and then controls dividing/closing a floodgate for breaker 40.In a particular embodiment, as shown in Fig. 2 photoelectricity
Switching 10 circuits includes photoelectric sensor U4 and photoelectric sensor U5, and the pin 1 and pin 4 of photoelectric sensor (U4 and U5) connect
Ground, the connecting resistance of pin 2, diode and 4.5V dc sources；As shown in figure 3, two pins 3 of photoelectric sensor (U4 and U5) divide
MCU20 two pin PA1 and pin PA2 are not met, and two photoelectric sensors (U4 and U5) of optoelectronic switch 10 are collected into open circuit
The combined floodgate of device/open position signal is sent to MCU20 through pin 3；As shown in figure 4, motor drive module 30 includes a direct current
Motor and a driving chip U6, driving chip U6 pin 3 and pin 4 connect with MCU20 pin PC7 and pin PC6 respectively
Connecing, direct current generator connects with driving chip U6, the breaker closing that direct current generator receives according to driving chip U6 from MCU20/
Open position signal is rotated, so as to drive separating brake/combined floodgate of killer switch.In addition, driving chip U6 pin 6 connects electricity
Resistance R29 is grounded again, and R29 plays a part of current-limiting protection, can avoid the excessive influence to circuit of motor rotation blockage, electric current.
As optional embodiment, in addition to：Switching Power Supply 50, MCU20 are connected with Switching Power Supply 50, for switch
Power supply 50 sends the on or off level signal of controlling switch power supply 50.In a particular embodiment, as shown in figure 5, switch
Power supply 50 includes a switching power source chip U3, and its pin ZC is connected via resistance R18 with MCU20 chip pins PC3, pin ZC
It is connected respectively with electric capacity C18 with resistance R18, electric capacity C18 other ends ground connection.MCU20 is sent out by pin PC3 to switching power source chip
Send the level signal being switched on or off.
As optional embodiment, specify and draw the first of combined floodgate/open position signal control motor drive module 30
During 31 input high level of pin, motor drive module 30 rotates forward；The of combined floodgate/open position signal control motor drive module 30
During two 32 input high levels of designated pin, motor drive module 30 inverts；Specify and draw in combined floodgate/open position signal control first
During 31 and second 32 equal input high level of designated pin of pin, motor drive module 30 brakes.In a particular embodiment, it refer to figure
3 and Fig. 4, MCU20 pin PC7 and the first designated pin 31 of motor drive module 30, i.e. pin 3 connect, MCU20 pin
PC6 and motor drive module 30 the second designated pin 32, i.e. pin 4 connect.Control signal end ccl receives what outside was led to
220V level, optocoupler U1 conductings and the startup that a pumping signal triggering MCU20 is sent to MCU20, while MCU20 pin
PA3 receives breaker open operation position signalling, MCU20 pin PC7 output high level, PC6 output low levels from optoelectronic switch 10
Or output level, driving chip do not receive the signal and control direct current generator to rotate forward, driving the switch of breaker 40 makes its conjunction
Lock.Control signal end ccl do not receive it is outside lead to 220V level when, optocoupler U1 disconnects, and MCU20 pin PA3 is from photoelectricity
Switch 10 receives the closing position signal of breaker 40, MCU20 pin PC6 output high level, PC7 output low levels or not defeated
Go out level, driving chip U6 receives the signal and controls direct current generator to invert, and drives the switch of breaker 40 and makes its separating brake.
When MCU20 pin PC6 and pin PC7 export high level, receive the signal and control direct current generator to brake, breaker 40 is opened
Off position is fixed.
As optional embodiment, when MCU20 exports high level, control Switching Power Supply 50 is closed；Exported in MCU20
Switching Power Supply 50 is controlled to open during low level.Fig. 5 and Fig. 6 are refer to, in a particular embodiment, MCU20 pin PC3 outputs are high
Level, so as to the shut-off of controlling switch power supply 50, exports 5V dc sources or dormancy, entered to power switch chip U3 pin ZC
Enter low-power consumption mode；MCU20 pin PC3 exports low level to power switch chip U3 pin ZC, now Switching Power Supply 50
Export 12V DC power supply, normal work.
As optional embodiment, MCU20 is additionally operable to receive indication signal, and in indication signal instruction breaker 40
When the in stable condition duration is more than predetermined threshold, the control turned off for controlling switch power supply 50 is sent to Switching Power Supply 50
Signal；Wherein, indication signal is used for the state for indicating breaker 40.In a particular embodiment, MCU20 receives optoelectronic switch 10
Whether the status signal of status signal and motor drive module 30 simultaneously judges the stable duration of its status signal more than predetermined
Time, such as when motor drive module is in braking state, optoelectronic switch 10 indicates that breaker 40 be in "on" position, stably holds
If the continuous time sends control signal more than 5 seconds, to Switching Power Supply 50, controlling switch power supply 50 is closed.
As optional embodiment, motor drive module 30 is SGM42609 motor drive ics.
As optional embodiment, MCU20 is STM8S chips.
In an alternate embodiment of the invention, in addition to a manual/auto mode switch module, as shown in figure 3, in STM8S cores
A circuit is connect on the pin PD2 of piece, the manual/auto pattern switching of breaker is controlled by a toggle switch.
In an alternate embodiment of the invention, in addition to a signal lamp, powered by Switching Power Supply 50, be connected on STM8S chips
Pin PD3 on, for indicating that Switching Power Supply 50 is in normal mode or low-power consumption mode.
Breaker disclosed in the present embodiment, combined floodgate/open position signal of killer switch is gathered using optoelectronic switch, it is micro-
Control unit is simultaneously sent action signal to motor drive module by handling combined floodgate/open position signal, generation action signal,
Motor drive module rotates according to the action signal motor received, and then controls dividing/closing a floodgate for breaker, due to using
Trendy Switching Power Supply, conventional three-terminal voltage-stabilizing pipe and FET are saved, reduce use cost, effectively improve the use of breaker
Efficiency.
Although being described in conjunction with the accompanying embodiments of the invention, those skilled in the art can not depart from the present invention
Spirit and scope in the case of various modification can be adapted and modification, such modifications and variations are each fallen within by appended claims institute
Within the scope of restriction.
Claims (7)
- A kind of 1. breaker, it is characterised in that including：Optoelectronic switch (10), micro-control unit MCU (20) and motor drive module (30)；Wherein,The optoelectronic switch (10), sent for gathering combined floodgate/open position signal, and by the combined floodgate/open position signal To the MCU (20)；The MCU (20) sends the combined floodgate/open position signal to the motor drive module (30), the motor driving Module (30) is used to be rotated according to the combined floodgate/open position signal, and then controls dividing/closing a floodgate for the breaker (40).
- 2. breaker according to claim 1, it is characterised in that also include：Switching Power Supply (50), the MCU (20) are connected with the Switching Power Supply (50), for being sent to the Switching Power Supply (50) Control the on or off level signal of the Switching Power Supply (50).
- 3. breaker according to claim 1, it is characterised in that control the electricity in the combined floodgate/open position signal During the first designated pin (31) input high level of machine drive module (30), the motor drive module (30) rotates forward；Described It is described when combined floodgate/open position signal controls the second designated pin (32) input high level of the motor drive module (30) Motor drive module (30) inverts；First designated pin (31) and described the are controlled in the combined floodgate/open position signal During two designated pins (32) equal input high level, motor drive module (30) brake.
- 4. breaker according to claim 1, it is characterised in that when the MCU (20) exports high level described in control Switching Power Supply (50) is closed；The Switching Power Supply (50) is controlled to open when the MCU (20) exports low level.
- 5. breaker according to claim 1, it is characterised in that the MCU (20) be additionally operable to receive indication signal, and When the indication signal indicates that the in stable condition duration of the breaker (40) is more than predetermined threshold, to the switch electricity Source (50) sends the control signal for controlling the Switching Power Supply (50) to turn off；Wherein, the indication signal is used to indicate institute State the state of breaker (40).
- 6. breaker according to claim 1, it is characterised in that the motor drive module (30) is SGM42609 motors Driving chip.
- 7. according to any described breaker in claim 1 to 5, it is characterised in that the MCU (20) is STM8S chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710929556.2A CN107564774A (en) | 2017-10-09 | 2017-10-09 | A kind of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710929556.2A CN107564774A (en) | 2017-10-09 | 2017-10-09 | A kind of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107564774A true CN107564774A (en) | 2018-01-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710929556.2A Pending CN107564774A (en) | 2017-10-09 | 2017-10-09 | A kind of breaker |
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| Country | Link |
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| CN (1) | CN107564774A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565826A (en) * | 2018-05-08 | 2018-09-21 | 深圳供电局有限公司 | A kind of low pressure trip device resetting apparatus |
| CN108572445A (en) * | 2018-04-26 | 2018-09-25 | 中国科学院武汉物理与数学研究所 | It is a kind of doing timesharing power control super-silent fast laser switch and control method |
| CN110931277A (en) * | 2019-11-07 | 2020-03-27 | 江苏觅丹智能电器有限公司 | Transformer-free motor type circuit breaker and opening and closing control method thereof |
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| CN101534020A (en) * | 2009-04-10 | 2009-09-16 | 沈阳工业大学 | Device and method for controlling motor operating mechanism of circuit breaker |
| CN203150487U (en) * | 2013-04-18 | 2013-08-21 | 华立仪表集团股份有限公司 | Built-in relay of electric energy meter for performing photoelectric detection on switching on/off state |
| CN205159242U (en) * | 2015-12-14 | 2016-04-13 | 威胜集团有限公司 | External circuit breaker electric operating mechanism's of electric energy meter position detecting device |
| CN205943793U (en) * | 2016-07-29 | 2017-02-08 | 台州市晶拓电子科技有限公司 | Controlling means of external circuit breaker of electric energy meter |
| CN206117538U (en) * | 2016-11-07 | 2017-04-19 | 苏州博创集成电路设计有限公司 | Switching power supply circuit device that convergence was inputed in zero standby |
| CN207217440U (en) * | 2017-10-09 | 2018-04-10 | 浙江人民电器有限公司 | A kind of breaker |
-
2017
- 2017-10-09 CN CN201710929556.2A patent/CN107564774A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101534020A (en) * | 2009-04-10 | 2009-09-16 | 沈阳工业大学 | Device and method for controlling motor operating mechanism of circuit breaker |
| CN203150487U (en) * | 2013-04-18 | 2013-08-21 | 华立仪表集团股份有限公司 | Built-in relay of electric energy meter for performing photoelectric detection on switching on/off state |
| CN205159242U (en) * | 2015-12-14 | 2016-04-13 | 威胜集团有限公司 | External circuit breaker electric operating mechanism's of electric energy meter position detecting device |
| CN205943793U (en) * | 2016-07-29 | 2017-02-08 | 台州市晶拓电子科技有限公司 | Controlling means of external circuit breaker of electric energy meter |
| CN206117538U (en) * | 2016-11-07 | 2017-04-19 | 苏州博创集成电路设计有限公司 | Switching power supply circuit device that convergence was inputed in zero standby |
| CN207217440U (en) * | 2017-10-09 | 2018-04-10 | 浙江人民电器有限公司 | A kind of breaker |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572445A (en) * | 2018-04-26 | 2018-09-25 | 中国科学院武汉物理与数学研究所 | It is a kind of doing timesharing power control super-silent fast laser switch and control method |
| CN108572445B (en) * | 2018-04-26 | 2019-09-24 | 中国科学院武汉物理与数学研究所 | It is a kind of do timesharing power control super-silent fast laser switch and control method |
| CN108565826A (en) * | 2018-05-08 | 2018-09-21 | 深圳供电局有限公司 | A kind of low pressure trip device resetting apparatus |
| CN110931277A (en) * | 2019-11-07 | 2020-03-27 | 江苏觅丹智能电器有限公司 | Transformer-free motor type circuit breaker and opening and closing control method thereof |
| CN110931277B (en) * | 2019-11-07 | 2021-08-31 | 江苏觅丹智能电器有限公司 | Transformer-free motor type circuit breaker and opening and closing control method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180109 |
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