CN102497032B - Reset switch with automatic closing function - Google Patents
Reset switch with automatic closing function Download PDFInfo
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- CN102497032B CN102497032B CN201110453116.7A CN201110453116A CN102497032B CN 102497032 B CN102497032 B CN 102497032B CN 201110453116 A CN201110453116 A CN 201110453116A CN 102497032 B CN102497032 B CN 102497032B
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- switch
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- reset
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- control unit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
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- Emergency Protection Circuit Devices (AREA)
- Keying Circuit Devices (AREA)
Abstract
The invention is suitable for the ammeter charging switch technology field and provides a reset switch with an automatic closing function. The reset switch comprises a power supply unit, a control unit, a trip-out unit and a reset unit, wherein the power supply unit is used for supplying power for the control unit and the reset unit, the control unit is used for outputting a trip-out signal to the trip-out unit and executing a trip-out operation of a switch according to a detected TS disconnection signal, and the control unit also is used for outputting a reset signal to the reset unit and executing an automatic closing operation of the switch according to a detected TS closing signal. According to the invention, considering a circuit is in maintenance, if power supply is connected and effective, maintenance personnel is in danger, after a maintenance switch is added, when the maintenance switch is disconnected manually, the switch enters into a fault mode and is not automatically closed, thus protection of the maintenance personnel and an electric appliance is ensured. The invention has the characteristics of abundant functions, low cost and a good economic benefit.
Description
Technical field
The invention belongs to ammeter charging switching technique field, relate in particular to one and there is automatic switching-in function, and the reset switch of tape jam pattern.
Background technology
Along with improving constantly of people's quality of life; electronics, electric equipment products have entered huge numbers of families; also progressively strengthening for the protection person and the awareness of safety of equipment; the function of the electronic product particularly using is now more and more important; the field of electronic product application is also more and more extensive, accordingly the requirement of protector of all kinds is also improved constantly.
At present, be applied in the switch in ammeter charging, major part is to only have separating brake function, seldom has automatic switching-in function, and ammeter charging switching function is single at present, if which section circuit needs power supply, needs manually switch to be closed, and causes the waste of manpower.
So prior art Shortcomings, need to be improved and enhanced.
Summary of the invention
The object of the present invention is to provide a kind of reset switch with automatic switching-in function, efficiently solve that existing ammeter charging switching function in prior art is single, defect that can not automatic closing.
The present invention is achieved in that a kind of reset switch with automatic switching-in function, it is characterized in that, comprises power subsystem, control unit, and trip unit and reset unit, wherein,
Described power subsystem is connected with described control unit and described reset unit signal respectively, is used to described control unit and the power supply of described reset unit;
Described control unit is connected with described trip unit and institute's reset unit signal respectively, described control unit is used for according to detected TS cut-off signal, output trip signal is to described trip unit, carry out the tripping operation of switch, described control unit is also according to detected TS switching signal, output reset signal, to described reset unit, is carried out the combined floodgate of described switch.
Wherein, between described control unit and described reset unit, also comprise that one dimension repaiies hand switch, the signal output part of control unit described in described maintenance hand switch one termination, the signal input part of reset unit described in described another termination of maintenance hand switch.
Wherein, described control unit comprises control chip U2, register U3, described control chip U2 the 4th pin connects one end of current-limiting resistance R20, the other end of current-limiting resistance R20 is connected in series two dropping resistor R11 and R10, and the other end of described dropping resistor connects the negative terminal of diode D6, and the anode of described diode D6 is connected to one end of TS holding wire, for by TS holding wire described in connecting and disconnecting, realize tripping operation and the combined floodgate of described switch by described trip unit and described reset unit.
Wherein, the 3rd pin of described control chip U2 is connected to optical coupling pipe U6 by resistance R 12 and is connected with described trip unit signal, the 2nd pin of described control chip U2 is connected to optical coupling pipe U5, in the time that described control chip U2 the 4th pin receives TS cut-off signal, the 3rd pin of described control chip U2 is exported a high potential, described optical coupling pipe U6 conducting, make its A, B holds closed, controllable silicon Q4 in described trip unit controls the utmost point and obtains a trigger voltage conducting, the electromagnet DCT energising work of described trip unit, carries out the tripping operation of described switch.
Wherein, the 5th pin of described control chip U2 is connected to described reset unit by described maintenance hand switch, when the 4th pin of described control chip U2 detects described TS switching signal, by the extremely described reset unit of high level of the 5th pin output of described control chip U2, described reset unit comprises controllable silicon Q1, controllable silicon Q2, resistance R 18 and PTC combined floodgate actuator, described resistance R 18 one end connect described maintenance hand switch, the control utmost point of controllable silicon Q2 described in described resistance R 18 another terminations, when described high level signal is by described resistance R 18, make described controllable silicon Q2 conducting, described PTC energising, carry out the combined floodgate of described switch.
Wherein, the 6th of described control chip U2 is connected with the 6th and 5 pins of described register respectively with the 7th pin, operating state when described register is used for recording the each closure of described switch or disconnecting.
Beneficial effect of the present invention is: a kind of reset switch with automatic switching-in function provided by the present invention, by increasing automatic switching-in function, when needs are given when user's power transmission just no longer with manually removing buck switch, in the time that control unit detects K switch 1 for off-state, can judge whether K switch 1 needs to close a floodgate always, if power-off in the situation of subscriber arrearage, when in the situation that user continues to pay dues again, reset switch can close K switch 1 automatically, no longer need manual closing operation, bring very large convenience so just to whole electric power system power supply, realize intelligent management, electric company has also been reduced to manpower, fund and temporal waste, improve efficiency, this K switch 1 is meeting automatic closing under powering-off state, and the present invention considers that circuit is the in the situation that of maintenance, if there is electric power thus supplied to occur, can cause personal safety to maintenance personal, in circuit, increase a fault mode, increase exactly a maintenance hand switch K2, in the time that maintenance hand switch disconnects, reset switch of the present invention has just entered fault mode, and under this pattern, K switch 1 is can automatic closing, has so just ensured the protective effect of maintenance personal and electrical equipment.
Brief description of the drawings
Fig. 1 is one embodiment of the invention schematic block circuit diagram.
Fig. 2 is one embodiment of the invention circuit theory diagrams.
Embodiment
In order to solve existing circuit protection device function singleness in present technology, defect problem that can not automatic closing, the invention provides the reset switch with automatic switching-in function, the core concept of this invention is: in the time that arrearage appears in user, by inputting a TS power-off signal to control unit, control unit sends trip signal and carries out the tripping operation of switch, after paying dues, carry out automatic closing to a TS switching signal of control unit input again, solve in prior art, also must be artificial after subscriber payment go closed a floodgate K switch 1, operation inconvenience very like this, the present invention is under the state of K switch 1 separating brake, can automatically this K switch 1 be closed a floodgate, and the present invention also comprises a maintenance hand switch K2, when in the situation that switch is manually disconnected, reset switch of the present invention enters fault mode, now K switch 1 there will not be automatic closing, after must manually maintenance hand switch K2 being closed, fault mode solution could be removed, ensure maintenance work fail safe.
For making object of the present invention, technical scheme and advantage clearer, clear and definite, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.
Accompanying drawing 1 is schematic block circuit diagram of the present invention, comprise power subsystem 100, control unit 200, trip unit 300, reset unit 400 and maintenance hand switch 500, wherein, power subsystem 100 is powered for control unit 200 and reset unit 400, control unit 200 connects respectively TS signal source, and (TS is Telecommunication Service: far-distance communication service, TS is power supply administration's control signal, 220 V), control unit 200 is connected with reset unit 400 by maintenance hand switch 500, keep in repair under normal circumstances hand switch 500(K switch 2) be on-state, in the time that control unit 200 detects TS cut-off signal, just export a trip signal to trip unit 300, carry out the tripping operation of K switch 1, in the time that control unit 200 detects TS switching signal, output reset signal is to reset unit 400, carry out the combined floodgate of K switch 1, because reset switch of the present invention is not in service mode, maintenance hand switch 500 is connected always, so just can realize automatic switching-in function, but when artificial will keep in repair hand switch 500 and disconnect after, reset switch of the present invention enters fault mode, now just there will not be K1 switch automatic closing, after must manually maintenance hand switch K2 being closed, can complete automatic switching-in function.
Accompanying drawing 2 is embodiments of the invention schematic diagram, and wherein power subsystem 100 comprises U1, and U1 is rectifier bridge, 1 and 3 ends of U1 connect civil power alternating current by K switch 1, are responsible for providing power supply to other unit of system, and its principle is for to be converted to direct voltage by rectifier bridge U1 by interchange, by dropping resistor R1, R2, R3, R4 step-down, and provide galvanic current to press to chip U2 and register U3 power supply by 5.1V voltage-stabiliser tube D1, C3, C4 strobes, and is used to power supply that stable operating voltage is provided.
Control unit 200 mainly comprises Master control chip U2, register U3, and the pin in Master control chip U2 mainly comprises the 2nd, 3,4,5,6 and 7 pins, these pins are control tripping operation of the present invention and the pin using that closes a floodgate, and other pin is not described in detail, and the 2nd pin is used for judging that K switch 1 is in disconnecting or closure state, in the time that K switch 1 is closed, 2 pin are high level, and when K switch 1 disconnects, 2 pin are low level; The 3rd pin is used for exporting a high level signal (trip signal), makes optical coupler U6 conducting, controls trip unit and trips; The 4th pin is used for receiving TS signal (comprising TS cut-off signal and switching signal), TS holding wire of the present invention is the front termination 220V alternating current in K switch 1, TS holding wire is added in to diode D6(halfwave rectifier) on, through resistance R 10 and resistance R 11 step-downs, diode D2, capacitor C 2 voltage stabilizings, connect current-limiting resistance R20, finally enter the 4th pin of chip, by connecting and disconnecting TS holding wire, realize combined floodgate and the separating brake of K switch 1; The signal input part that is connected to reset unit 400 behind one end of the 5th pin connection maintenance hand switch K2, exports high potential signal (reset signal) to reset unit 400; The 6th is connected with the 6th and 5 bipods of register U3 respectively with 7 bipods, plays communication effect, and closure each time or the off-state of K switch 1 all store by register U3.
Trip unit 300 mainly comprises rectifier bridge U7, rectifier bridge U7 converts alternating voltage to direct current, be used to the controllable silicon Q3 in trip unit, Q4 and optical coupler U5 and U6 provide power supply, in the time that the 4th pin of Master control chip U2 receives a low-potential signal, high potential signal of the 3rd pin output of Master control chip U2 passes through resistance R 12 to optical coupler U6, make its conducting, A simultaneously, B holds closed, make controllable silicon Q4 control the utmost point and obtain a trigger voltage conducting, the electromagnet DCT energising work of trip unit, K switch 1 in executive system trips, under normal operating conditions of the present invention, optical coupler U5 is in electriferous state, C, D is normal, for closure state, the 2nd pin of control chip U2 is high potential like this, but after K switch 1 tripping operation, rectifier bridge U7 does not have electricity, the input of optical coupler U5 does not have voltage input yet like this, C, D holds disconnection, the 2nd pin of control chip U2 is electronegative potential, C and D two ends are to be at normal condition or off state for detection of K switch 1.
Reset unit 400 comprises controllable silicon Q1, controllable silicon Q2, resistance R 18 and PTC(combined floodgate actuator), one termination maintenance control switch K2 of resistance R 18, the control utmost point of controllable silicon Q2 described in another termination, when high level signal is by resistance R 18, makes controllable silicon Q2 conducting, PTC energising, the feed motion of execution K switch 1.
Operation principle of the present invention is described below: power subsystem is used for being responsible for providing power supply to internal system, be converted to direct voltage with U7 by exchanging by rectifier bridge U1, by dropping resistor R1, R2, R3, R4 step-down, and provide galvanic current to press to control chip and register power supply by 5.1V voltage-stabiliser tube, capacitor C 3, C4 strobes, and provides stable operating voltage to power supply; K switch 1 rear end connects dropping resistor R5-R9 step-down by rectifier bridge U7, diode D5 (voltage stabilizing) and capacitor C 7 (filtering), connect 2nd pin of optical coupler U5 to control chip U2, by resistance R 15, capacitor C 8 ground connection (preventing that optocoupler from misleading), the 2nd pin that arrives control chip U2 judges disconnection or the closure state of K switch 1, in the time that K switch 1 is closed, the 2nd pin is high level, and when K switch 1 disconnects, the 2nd pin is low level; Control chip the 4th pin, by with the connecting and disconnecting of TS holding wire, realize combined floodgate and the separating brake of K switch 1.When TS holding wire is connected, service switch K2 is manually closed, now K switch 1 is normally worked, in the time that TS holding wire disconnects, now a high level of the 3rd pin output of control chip is opened optical coupler U6, makes controllable silicon Q4 conducting, now electromagnet DTC work, K switch 1 trips, and gives user's power-off.If again TS holding wire is added, the 4th pin of control chip U2 is high level, and the 2nd pin is low level, judges that K switch 1 is for gate-dividing state, now the 5th pin output high level of control chip U2, through resistance R 18 current limlitings, capacitor C 5 filtering, make controllable silicon Q2 conducting to direct current of controllable silicon Q2 control end, now PTC energising, by PTC actuator, K switch 1 is closed, PTC is set to 3-9 second heating time herein, prevents from heating time from long actuator being destroyed.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (2)
1. a reset switch with automatic switching-in function, is characterized in that, comprises power subsystem, control unit, and trip unit and reset unit, wherein,
Described power subsystem is connected with described control unit and described reset unit signal respectively, is used to described control unit and the power supply of described reset unit;
Described control unit is connected with described trip unit and institute's reset unit signal respectively, described control unit is used for according to detected TS cut-off signal, output trip signal is to described trip unit, carry out the tripping operation of K switch 1, described control unit is also according to detected TS switching signal, output reset signal is to described reset unit, carry out the combined floodgate of described K switch 1, between described control unit and described reset unit, also comprise the one dimension moving K switch 2 of manicuring, described maintenance hand switch K2 one end connects the signal output part of described control unit, the described maintenance hand switch K2 other end connects the signal input part of described reset unit,
Described control unit comprises control chip U2, register U3, one end that connects current-limiting resistance R20 for receiving the 4th pin of TS signal of described control chip U2, the other end of current-limiting resistance R20 is connected to dropping resistor R10 by dropping resistor R11, the other end of described dropping resistor R10 connects the negative terminal of diode D6, the anode of described diode D6 is connected to one end of TS holding wire, for by TS holding wire described in connecting and disconnecting, realize tripping operation and the combined floodgate of described K switch 1 by described trip unit and described reset unit.
2. the reset switch with automatic switching-in function according to claim 1, it is characterized in that, the 5th pin of described control chip U2 is also for being connected to described reset unit by described maintenance hand switch K2, when the 4th pin of described control chip U2 detects described TS switching signal, the 5th pin by described control chip U2 is exported a high level signal to described reset unit through described maintenance hand switch K2, described reset unit comprises controllable silicon Q1, controllable silicon Q2, resistance R 18 and PTC combined floodgate actuator, described resistance R 18 one end connect described maintenance hand switch K2, described resistance R 18 other ends connect the control utmost point of described controllable silicon Q2, when described high level signal is by described resistance R 18, make described controllable silicon Q2 conducting, the energising of described PTC combined floodgate actuator, carry out the combined floodgate of described K switch 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110453116.7A CN102497032B (en) | 2011-12-30 | 2011-12-30 | Reset switch with automatic closing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110453116.7A CN102497032B (en) | 2011-12-30 | 2011-12-30 | Reset switch with automatic closing function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102497032A CN102497032A (en) | 2012-06-13 |
| CN102497032B true CN102497032B (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110453116.7A Active CN102497032B (en) | 2011-12-30 | 2011-12-30 | Reset switch with automatic closing function |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112068468B (en) * | 2020-08-27 | 2022-02-08 | 成都长城开发科技有限公司 | Closing control circuit and closing controller of ammeter, ammeter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2393218Y (en) * | 1999-04-23 | 2000-08-23 | 北京Abb低压电器有限公司 | Circuit breaker for card-insertion type electric meter |
| CN2626120Y (en) * | 2003-04-07 | 2004-07-14 | 叶卫合 | Monitoring apparatus for preventing misdelivery of current in electric power overhaul |
| CN2812136Y (en) * | 2005-07-29 | 2006-08-30 | 大同电联电力设备销售有限责任公司 | 10KV prepaid power supply device with electric energy metering and control |
| CN202384843U (en) * | 2011-12-30 | 2012-08-15 | 无锡华阳科技有限公司 | Resetting switch with automatic closing function |
-
2011
- 2011-12-30 CN CN201110453116.7A patent/CN102497032B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2393218Y (en) * | 1999-04-23 | 2000-08-23 | 北京Abb低压电器有限公司 | Circuit breaker for card-insertion type electric meter |
| CN2626120Y (en) * | 2003-04-07 | 2004-07-14 | 叶卫合 | Monitoring apparatus for preventing misdelivery of current in electric power overhaul |
| CN2812136Y (en) * | 2005-07-29 | 2006-08-30 | 大同电联电力设备销售有限责任公司 | 10KV prepaid power supply device with electric energy metering and control |
| CN202384843U (en) * | 2011-12-30 | 2012-08-15 | 无锡华阳科技有限公司 | Resetting switch with automatic closing function |
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| Publication number | Publication date |
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| CN102497032A (en) | 2012-06-13 |
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Denomination of invention: Reset switch with automatic closing function Effective date of registration: 20190430 Granted publication date: 20141001 Pledgee: Bank of Jiangsu, Limited by Share Ltd, Wuxi branch Pledgor: Wuxi Hauyang Technology Co.,Ltd. Registration number: 2019990000382 |
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Date of cancellation: 20210622 Granted publication date: 20141001 Pledgee: Bank of Jiangsu Limited by Share Ltd. Wuxi branch Pledgor: WUXI HUAYANG SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: 2019990000382 |