CN203813401U - High reliability characterized theft prevention small scale breaker for corridor disposed induction light - Google Patents
High reliability characterized theft prevention small scale breaker for corridor disposed induction light Download PDFInfo
- Publication number
- CN203813401U CN203813401U CN201420203739.8U CN201420203739U CN203813401U CN 203813401 U CN203813401 U CN 203813401U CN 201420203739 U CN201420203739 U CN 201420203739U CN 203813401 U CN203813401 U CN 203813401U
- Authority
- CN
- China
- Prior art keywords
- current
- thyristor
- circuit
- triode
- chip microcomputer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000006698 induction Effects 0.000 title abstract 2
- 230000002265 prevention Effects 0.000 title abstract 2
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 41
- 238000005070 sampling Methods 0.000 claims abstract description 30
- 230000000694 effects Effects 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052710 silicon Inorganic materials 0.000 abstract description 3
- 239000010703 silicon Substances 0.000 abstract description 3
- 230000001960 triggered effect Effects 0.000 abstract 4
- 230000005611 electricity Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002350 accommodative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model belongs to the technical field of a small scale breaker, particularly to a high reliability characterized theft prevention small scale breaker for corridor disposed induction light. The breaker comprises a bidirectional thyristor and a zero-cross triggered thyristor; a current limiting resistor R6 is connected to the input end of the zero-cross triggered thyristor through a light emitting diode. The other end of the current limiting resistor is connected with the output end of a one-chip microcomputer; one output end of the zero-cross triggered thyristor is connected to a first positive electrode of the bidirectional thyristor through a bidirectional silicon controlled gate resistor R10; the first positive electrode of the bidirectional thyristor is regarded as a sampling point and is connected to the sampling end of a current sampling circuit. The other output end of the zero-cross triggered thyristor comprises two channels wherein one channel is connected to a second positive electrode of the bidirectional thyristor through a current limiting resistor R12 and the other channel is directly connected to the controlling electrode of the bidirectional thyristor. The second positive electrode of the bidirectional thyristor is connected with a load. The breaker of the utility model is small in size, flexible to use, and consumes low energy. The breaker also has high reliability and is capable of making movements un-interruptedly for a long time. The breaker also has high adaptability to environment.
Description
Technical field
The utility model belongs to miniature circuit breaker device field, relates in particular to the special-purpose anti-electricity-theft miniature circuit breaker of a kind of high reliability corridor sensing lamp.
Background technology
Residential quarter residential building is all installed corridor sensing lamp at present, conventionally corridor sensing lamp goes out special circuit after by concentrated gas meter box master switch and powers, supply line adopts " trunk formula " mode of connection, main line is by after control switch (miniature circuit breaker), supply power to attic from 1st floor, each floor sense light is connected on main line.Corridor sensing lamp belongs to communal facility, and some regional corridor sensing lamps are not all installed gauge table, and its electric energy consuming is born by the corridor each household resident form that monthly payment certain 1 is spent the electricity charge.Opposing electricity-stealing in inspection that residential quarter is carried out, find that part resident family utilizes corridor sensing lamp not fill the feature of table metering, privately power consumption equipment in family is connected to the enterprising electricity of committing theft of sense light supply main, although can judge and whether have user to pass through the stealing of corridor sensing lamp from the miniature circuit breaker side size of current of control sense light, but, being found to the end is which user is special-purpose very difficult with electric line stealing by corridor sensing lamp, how to take effective method, preventing that user from passing through this mode stealing, is a difficulties of current anti-electricity-theft work.
Because user utilizes disguise and the difficult treatment of the stealing of corridor sensing lamp, therefore, be necessary to study new technological means, address the above problem.Very large difference of the electricity consumption of corridor sensing lamp and residential electricity consumption is: the corridor sensing lamp electricity consumption duration is short, is generally interruption electricity consumption, and the residential electricity consumption duration is long, is generally continuous electricity consumption.For this feature, can develop a kind of novel miniature circuit breaker, control corridor sensing lamp power-on time, when not affecting the use of corridor sensing lamp, make the electricity consumption continuously of stealing family, thereby realize the function of opposing electricity-stealing.
Utility model content
For weak point of the prior art, technical problem to be solved in the utility model is to provide a kind of high reliability corridor sensing lamp anti-electricity-theft miniature circuit breaker.
The special-purpose anti-electricity-theft miniature circuit breaker of a kind of high reliability corridor sensing lamp, comprise current sampling circuit, actuating circuit and single-chip microcomputer, current sampling circuit sampling end gathers the load current of actuating circuit, the output of current sampling circuit is connected with the input of single-chip microcomputer, the output of single-chip microcomputer is connected with actuating circuit, the on off state of the Current Control actuating circuit that single-chip microcomputer gathers by circuit sample circuit, described actuating circuit comprises bidirectional thyristor and zero cross fired thyristor, one current-limiting resistance R9 is connected to the input of zero cross fired thyristor by a light-emitting diode, the other end of current-limiting resistance R9 is connected with the output of single-chip microcomputer, one output of zero cross fired thyristor is connected to the first anode of bidirectional thyristor by bidirectional triode thyristor gate electrode resistance R10, the first anode of bidirectional thyristor is connected with current sampling circuit sampling end as sampling point, another output of zero cross fired thyristor is divided into two-way, the current-limiting resistance R12 of leading up to is connected to the second plate of bidirectional thyristor, another road is directly connected to the control of bidirectional thyristor and extremely goes up, the second plate of bidirectional thyristor connects load.
Further, described current sampling circuit comprises current transformer, rectifier bridge and triode, wherein, current transformer exports the inductive current of collection to two inputs of rectifier bridge by two outputs, rectifier bridge is converted to direct current signal by the AC signal of input, by two outputs, export, the forward output of rectifier bridge is connected to the base stage of triode by a resistance R 7, the collector electrode of triode is connected on the pin P3.5 of single-chip microcomputer, the emitter of triode is connected with the pin GND of single-chip microcomputer, and the conducting by triode is to single chip microcomputers transmit signal; Parallel resistance R8 between the base stage of triode and emitter, shunt capacitance C5 between resistance R 7 and resistance R 8, as the accessory circuit of triode, to the direct current signal rectification of rectifier bridge output and the effect of adjustment current parameters.
Compared with prior art, beneficial effect is the utility model:
Actuating circuit adopts bidirectional thyristor by current-limiting resistance, and the driving of silicon controlled gate resistor and zero cross fired thyristor, has volume little, easy to use and flexible, and low in energy consumption, reliability is high, can long-time continuous repeatedly move, and accommodative ability of environment is strong.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the special-purpose anti-electricity-theft miniature circuit breaker of a kind of corridor sensing lamp, comprise current sampling circuit 3, actuating circuit 2 and single-chip microcomputer 6, current sampling circuit 3 sampling ends gather the load current of actuating circuit 2, the output of current sampling circuit 3 is connected with the input of single-chip microcomputer 6, the output of single-chip microcomputer 6 is connected with actuating circuit 2, the on off state of the Current Control actuating circuit that single-chip microcomputer 6 gathers by circuit sample circuit 3, current sampling circuit comprises Current Transmit, rectifier bridge U2 and triode Q2, wherein, Current Transmit exports the inductive current of collection to two inputs of rectifier bridge U2 by two outputs, rectifier bridge Y2 is converted to direct current signal by the AC signal of input, by two outputs, export, the forward output of rectifier bridge U2 is connected to the base stage of triode Q2 by a resistance R 7, the collector electrode of triode Q2 is connected on the pin P3.5 of single-chip microcomputer 6, the emitter of triode Q2 is connected with the pin GND of single-chip microcomputer 6, conducting by triode Q2 transmits to single-chip microcomputer 6, parallel resistance R8 between the base stage of triode Q2 and emitter, shunt capacitance C5 between resistance R 7 and resistance R 8, as the accessory circuit of triode Q2, to the direct current signal rectification of rectifier bridge U2 output and the effect of adjustment current parameters.The direct current signal of the lead-out terminal output of rectifier bridge makes triode Q2 enter saturation condition, and triode Q2 connects STC15F104 single-chip microcomputer P3.5 pin signal input.
Actuating circuit 2 comprises bidirectional thyristor BAT20800B and zero cross fired thyristor MOC3061, one current-limiting resistance R9 is connected to the input of zero cross fired thyristor MOC3061 by a LED, the other end of current-limiting resistance R9 is connected with the output of single-chip microcomputer 6, an output of zero cross fired thyristor MOC3061 is connected to the first anode A1(pin 1 of bidirectional thyristor BAT20800B by bidirectional triode thyristor gate electrode resistance R10), bidirectional triode thyristor gate electrode resistance R10 can improve bidirectional triode thyristor antijamming capability, the first anode of bidirectional thyristor BAT20800B is connected with current sampling circuit sampling end as sampling point, another output of zero cross fired thyristor MOC3061 is divided into two-way, the current-limiting resistance R12 of leading up to is connected to the second plate (pin 2) of bidirectional thyristor BAT20800B, another road is directly connected on the control utmost point G of bidirectional thyristor BAT20800B, the second plate of bidirectional thyristor BAT20800B (pin 2) connects load.
Under normal circumstances, the Continuity signal of the control utmost point (pin 3) of zero cross fired SCR-output pin 4 output access bidirectional thyristor BAT20800B, the first anode of bidirectional thyristor BAT20800B and second plate conducting, electrical appliance that anti-electricity-theft miniature circuit breaker is with is in normal power supply state; After the control signal that Single-chip Controlling end pin KZ sends, the infrarede emitting diode action of zero cross fired thyristor MOC3061, the inner bidirectional triode thyristor of zero cross fired thyristor, the pin 4 of controlling zero cross fired thyristor interrupts the Continuity signal of the control utmost point (pin 3) of access bidirectional thyristor BAT20800B, the first anode of bidirectional thyristor BAT20800B and second plate are ended to be communicated with, and electrical appliance that anti-electricity-theft miniature circuit breaker is with is ended power supply.
Contact resistance R6 between the pin VCC of single-chip microcomputer and pin P3.5, at pin VCC termination power 1.
The control terminal KZ of single-chip microcomputer 6 is connected with the current-limiting resistance R9 of actuating circuit 2, and lead-out terminal LE connects resistance R 5 ground connection after connecting a light-emitting diode.In the present embodiment, the model of bidirectional thyristor is BTA20800B type controllable silicon, and the model of zero cross fired thyristor is MOC3061.
Pin TX and pin RX connectivity port setting unit 5 at single-chip microcomputer, arrange required threshold value by port setting unit.Between the pin GND of single-chip microcomputer and input pin RX, be connected button KEY, button is when pressing, and single-chip microcomputer restarts.
Whole device action principle is as follows: when circuit breaker is unloaded, bidirectional thyristor BAT20800B is in conducting state, while connecing electrical appliance electricity consumption after circuit breaker, current sampling circuit 3 output direct current signals enter single-chip microcomputer, single-chip microcomputer starts timing, surpass after built-in Preset Time (60S), there is the conversion of level in the control terminal KZ of single-chip microcomputer, zero cross fired thyristor receives after the conversion of this level, its output (pin 4) level transforms output bidirectional thyristor conducting abort signal, bidirectional thyristor cuts off circuit, ends the power supply to load.Or when inverter surpasses 3A by electric current, the corresponding increase of current sampling circuit output current, surpasses single-chip microcomputer inner setting threshold values, the normal power supply to load is ended in the conversion of Single-chip Controlling terminal KZ level.After load supplying is ended, single-chip microcomputer P3.5 terminal is inputted without direct current signal, and Single-chip Controlling terminal KZ, after Preset Time 2S, stops output, zero cross fired thyristor (pin 4) recovering state, and bidirectional thyristor turning circuit, the normal power supply of load recovers.If now load electricity consumption, continues above-mentioned flow process.
The control method of the single-chip microcomputer relating in above-mentioned belongs to the existing method in this area, the utility model does not have improved sending out to this control procedure, and above-mentioned explanation is to understand actuating circuit and the application of current sampling circuit and a kind of further explanation of the course of work in the utility model for the ease of those skilled in the art.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (2)
1. the anti-electricity-theft miniature circuit breaker of high reliability corridor sensing lamp, comprise current sampling circuit, actuating circuit and single-chip microcomputer, current sampling circuit sampling end gathers the load current of actuating circuit, the output of current sampling circuit is connected with the input of single-chip microcomputer, the output of single-chip microcomputer is connected with actuating circuit, the on off state of the Current Control actuating circuit that single-chip microcomputer gathers by circuit sample circuit, it is characterized in that, described actuating circuit comprises bidirectional thyristor and zero cross fired thyristor, one current-limiting resistance R9 is connected to the input of zero cross fired thyristor by a light-emitting diode, the other end of current-limiting resistance R9 is connected with the output of single-chip microcomputer, one output of zero cross fired thyristor is connected to the first anode of bidirectional thyristor by bidirectional triode thyristor gate electrode resistance R10, the first anode of bidirectional thyristor is connected with current sampling circuit sampling end as sampling point, another output of zero cross fired thyristor is divided into two-way, the current-limiting resistance R12 of leading up to is connected to the second plate of bidirectional thyristor, another road is directly connected to the control of bidirectional thyristor and extremely goes up, the second plate of bidirectional thyristor connects load.
2. according to the anti-electricity-theft miniature circuit breaker of high reliability corridor sensing lamp claimed in claim 1, it is characterized in that, described current sampling circuit comprises current transformer, rectifier bridge and triode, wherein, current transformer exports the inductive current of collection to two inputs of rectifier bridge by two outputs, rectifier bridge is converted to direct current signal by the AC signal of input, by two outputs, export, the forward output of rectifier bridge is connected to the base stage of triode by a resistance R 7, the collector electrode of triode is connected on the pin P3.5 of single-chip microcomputer, the emitter of triode is connected with the pin GND of single-chip microcomputer, conducting by triode is to single chip microcomputers transmit signal, parallel resistance R8 between the base stage of triode and emitter, shunt capacitance C5 between resistance R 7 and resistance R 8, as the accessory circuit of triode, to the direct current signal rectification of rectifier bridge output and the effect of adjustment current parameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420203739.8U CN203813401U (en) | 2014-04-24 | 2014-04-24 | High reliability characterized theft prevention small scale breaker for corridor disposed induction light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420203739.8U CN203813401U (en) | 2014-04-24 | 2014-04-24 | High reliability characterized theft prevention small scale breaker for corridor disposed induction light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203813401U true CN203813401U (en) | 2014-09-03 |
Family
ID=51452110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420203739.8U Expired - Fee Related CN203813401U (en) | 2014-04-24 | 2014-04-24 | High reliability characterized theft prevention small scale breaker for corridor disposed induction light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203813401U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720809A (en) * | 2016-03-23 | 2016-06-29 | 施婷婷 | Switching control circuit for single chip microcomputer |
| CN113107829A (en) * | 2021-05-31 | 2021-07-13 | 爱科赛智能科技(浙江)有限公司 | Automatic control method for water pump |
-
2014
- 2014-04-24 CN CN201420203739.8U patent/CN203813401U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720809A (en) * | 2016-03-23 | 2016-06-29 | 施婷婷 | Switching control circuit for single chip microcomputer |
| CN113107829A (en) * | 2021-05-31 | 2021-07-13 | 爱科赛智能科技(浙江)有限公司 | Automatic control method for water pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103220860A (en) | Single live wire wireless intelligent switch based on Zigbee | |
| CN103207607B (en) | There is switch and the alarm method of warning function | |
| CN203813401U (en) | High reliability characterized theft prevention small scale breaker for corridor disposed induction light | |
| CN205051931U (en) | LED driving power supply | |
| CN201594941U (en) | A non-contact lamp switch | |
| CN205051933U (en) | LED driving power supply | |
| CN204069424U (en) | Lamp dimmer | |
| CN206787615U (en) | A kind of monitoring system of multifunctional unit | |
| CN203813405U (en) | Novel high-reliability anti-electricity-stealing miniature circuit breaker for corridor induction lamp | |
| CN203434958U (en) | Intelligent touch switch | |
| CN209070011U (en) | Alternating voltage zero-crossing detection circuit | |
| CN203168330U (en) | Vacuum cup with USB interface and electricity storing function | |
| CN2665990Y (en) | Power supply socket with delayed-breaking-off function | |
| CN105338687A (en) | Intelligent switch panel for LED lamp | |
| CN204721678U (en) | A kind of night light controlling device | |
| CN204180041U (en) | One is infrared induction control system and closely infrared sensing switch thereof closely | |
| CN206136380U (en) | Fluorescent tube circuit | |
| CN203810254U (en) | Induction lamp | |
| CN203632639U (en) | Single-wire-system intelligent communication switch | |
| CN207882707U (en) | It is a kind of that wiring intelligent switch is exempted from based on Bluetooth remote control | |
| CN206057988U (en) | A kind of under-voltage excessive low water level protection type Wireless water level controller | |
| CN106406195A (en) | Household energy-saving power utilization system | |
| CN2924544Y (en) | High voltage hot-line display device | |
| CN205037222U (en) | Power distribution cabinet with illumination function | |
| CN205142632U (en) | A wireless lamp remote control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20210424 |