CN206004977U - Intelligent road-lamp with residual current protecting controls chopper - Google Patents
Intelligent road-lamp with residual current protecting controls chopper Download PDFInfo
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- CN206004977U CN206004977U CN201621029908.6U CN201621029908U CN206004977U CN 206004977 U CN206004977 U CN 206004977U CN 201621029908 U CN201621029908 U CN 201621029908U CN 206004977 U CN206004977 U CN 206004977U
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- residual current
- signal processing
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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
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Dc-Dc Converters (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
This utility model is related to a kind of intelligent road-lamp with residual current protecting and controls chopper, power circuit is from the secondary side power taking of current transformer, the voltage output of rectified circuit is connected to mu balanced circuit, the current output terminal of rectification circuit is connected to phase current sampling and signal processing circuit, phase current sampling and signal processing circuit are monitored by CPU governor circuit, phase voltage sampling and signal processing circuit, residual current sampling and the output of signal processing circuit, export a road control signal to output circuit of threading off, CPU governor circuit also can monitoring switch status circuit output, export another road control signal to reclosing motor-drive circuit.When overload, excessively stream, overvoltage, under-voltage and earth fault occur, trip signal is exported by CPU governor circuit, and when the power supply recovery of street lamp is normal, restored electricity rapidly by CPU governor circuit it is ensured that street lamp normal illumination and road safety；In addition, the power supply drawn by current transformer is after a series of voltage stabilizing, system power supply voltage stabilization.
Description
Technical field
This utility model is related to a kind of intelligent road-lamp with residual current protecting and controls chopper.
Background technology
With the road construction in city and rural area, the control of street lamp is increasingly taken seriously.Street lamps control has a lot of requirements,
1st, adjust output with ambient lighting amount；2nd, adjust output with the time in season；3rd, there is automatic trip and reclosing function；4th, multiple
Defencive function is it is ensured that street lamp power supply, road lamp power supply circuit is normal；5th, during street lamp device insulation damages, automatic trip, in case leak-stopping electric current causes
Bigger danger.Traditional streetlight control box is integrated with various device for switching, and adopts electrical contact conduct between device for switching
Signal transmission, huge structure is complicated, and man machine interface is simple and crude, is unfavorable for maintenance and the Function Extension of product.
Content of the invention
The purpose of this utility model is to overcome the defect of prior art, provides one kind through Integrated design, compact conformation, work(
Can be perfect, the intelligent road-lamp with residual current protecting being easy to extend controls chopper.
For achieving the above object, this utility model controls open circuit using the intelligent road-lamp with residual current protecting for the such a
Device, adopts including power circuit, phase current sampling and signal processing circuit, phase voltage sampling and signal processing circuit, residual current
Sample and signal processing circuit, dropout output circuit, on off state observation circuit and reclosing motor-drive circuit, described power supply
From the secondary side power taking of current transformer, the voltage output of rectified circuit is connected to mu balanced circuit to circuit, described rectified current
The current output terminal on road is connected to described phase current sampling and signal processing circuit, by the described mutually electricity of CPU governor circuit monitoring
Stream sampling and signal processing circuit, the sampling of described phase voltage and signal processing circuit, the sampling of described residual current and signal
The output of process circuit, output one tunnel control signal to described dropout output circuit, also can monitor by described CPU governor circuit
The output of described on off state circuit, exports another road control signal to reclosing motor-drive circuit.With prior art phase
The beneficial effects of the utility model are embodied in ratio：By the design of above structure, by CPU governor circuit monitoring phase current, mutually electricity
Pressure and residual current value, when overload, excessively stream, overvoltage, under-voltage and earth-fault current, are exported by CPU governor circuit
Trip signal, and when the power supply of street lamp recovers normal, restored electricity rapidly it is ensured that street lamp is normal by CPU governor circuit
Illumination and road safety；In addition, the power supply drawn by current transformer is after a series of voltage stabilizing, it is the control circuit board of product
There is provided stable supply voltage it is ensured that system is normally effectively run, monitors and exported.
Particularly, described mu balanced circuit is PWM chopper stabilivolt circuit, and described PWM chopper stabilivolt circuit includes metal-oxide-semiconductor
And audion, the voltage output of described rectification circuit is connected to the drain electrode of described metal-oxide-semiconductor, described CPU governor circuit warp
Diode exports pwm control signal to the grid of described metal-oxide-semiconductor, the source ground of described metal-oxide-semiconductor, described rectification circuit
Voltage output end be connected to the base stage of described audion through stabilivolt, the colelctor electrode of described audion is connected to described through resistance
Metal-oxide-semiconductor drain electrode, the grounded emitter of described audion, the outfan of described stabilivolt picks out the first DC source,
The negative pole end of described diode is connected to ground through another resistance.By the design of above structure, when main line overtension, electricity
The voltage that current transformer introduces is also higher, by metal-oxide-semiconductor chopping depressuring, reduces input power capacity, reduces rear end stabilivolt
Pressurizer pressure it is ensured that the power supply of system control lines plate safe and stable, reliable.
Particularly, the described intelligent road-lamp with residual current protecting controls chopper also to include light sensing circuit, described
The outfan of light sensing circuit access first group of I/O mouth of described CPU governor circuit.By setting of above circuit structure
Meter, intelligent road-lamp controls chopper can also can guarantee that road according to quantity of illumination divide-shut brake especially in anomalous weathers such as rainy weathers
Lamp illuminates.
Particularly, the described intelligent road-lamp with residual current protecting controls chopper also to include button inputting circuits, show
Show circuit, RTC circuit, storage circuit and communicating circuit, described button inputting circuits are connected to the of described CPU governor circuit
Two groups of I/O mouths, described display circuit includes LCDs, described LCDs, described RTC circuit, described
Storage circuit and described communicating circuit are respectively connected to the serial port of described CPU governor circuit.By the design of above structure,
Optimize the user interface of product, and management personnel can control chopper by remote control intelligent road-lamp.In addition, management personnel can pass through
Button inputting circuits manual control divide-shut brake；The protection value of setting overload, excessively stream, overvoltage, under-voltage, residual current etc. and protection are dynamic
Make the time；When management personnel also can input current locale longitude and latitude, customize Street lamps control scheme.
Brief description
Fig. 1 is the functional-block diagram that the intelligent road-lamp with residual current protecting for this utility model controls chopper；
Fig. 2 is that the intelligent road-lamp with residual current protecting for this utility model controls PWM chopper stabilivolt circuit in chopper
Schematic diagram.
Specific embodiment
As shown in Fig. 1～2, a kind of intelligent road-lamp with residual current protecting controls chopper, including power circuit, mutually electricity
Stream sampling and signal processing circuit, phase voltage sampling and signal processing circuit, residual current sampling and signal processing circuit, dropout
Output circuit, on off state observation circuit and reclosing motor-drive circuit, power circuit is from the secondary side IR of current transformer
+, IR- power taking, the voltage output end V+ of rectified circuit is connected to mu balanced circuit, and the current output terminal V- of rectification circuit is connected to mutually electricity
Stream sampling and signal processing circuit, are monitored phase current sampling and signal processing circuit, phase voltage sampling and believed by CPU governor circuits
The output of number process circuit, residual current sampling and signal processing circuit, output one tunnel control signal to output circuit of threading off,
CPU governor circuit also can monitoring switch status circuit output, export another road control signal to reclosing motor-drive circuit.
Mu balanced circuit is PWM chopper stabilivolt circuit, and PWM chopper stabilivolt circuit includes metal-oxide-semiconductor Q11 and audion Q10, rectification
The voltage output end V+ of circuit is connected to the drain electrode of metal-oxide-semiconductor Q11, and CPU governor circuit is through diode D10 output pwm control signal extremely
The grid of metal-oxide-semiconductor Q11, the source ground of metal-oxide-semiconductor Q11, the voltage output end V+ of rectification circuit is connected to audion through stabilivolt D13
The base stage of Q10, the colelctor electrode of audion Q10 is connected to the drain electrode of metal-oxide-semiconductor Q11, the emitter stage of audion Q10 through resistance R73, R74
Ground connection, the outfan of stabilivolt D13 picks out the first DC source VCC, and the negative pole end of diode D10 is connected to through another resistance R75
Ground.
Intelligent road-lamp with residual current protecting controls chopper also to include light sensing circuit, the outfan of light sensing circuit
Access first group of I/O mouth of CPU governor circuit.
Intelligent road-lamp with residual current protecting controls chopper also to include button inputting circuits, display circuit, RTC electricity
Road, storage circuit and communicating circuit, button inputting circuits are connected to second group of I/O mouth of CPU governor circuit, and display circuit includes liquid
Crystal display screen, LCDs, RTC circuit, storage circuit and communicating circuit are respectively connected to the serial port of CPU governor circuit.
Claims (5)
1. a kind of intelligent road-lamp with residual current protecting control chopper it is characterised in that：Adopt including power circuit, phase current
Sample and signal processing circuit, phase voltage sampling and signal processing circuit, residual current sampling and signal processing circuit, output of threading off
Circuit, on off state observation circuit and reclosing motor-drive circuit, described power circuit is from the secondary side of current transformer
Power taking, the voltage output of rectified circuit is connected to mu balanced circuit, and the current output terminal of described rectification circuit is connected to described
Phase current sampling and signal processing circuit, by the described phase current sampling of CPU governor circuit monitoring and signal processing circuit, described
Phase voltage sampling and signal processing circuit, described residual current sampling and signal processing circuit output, output one tunnel control
To described dropout output circuit, described CPU governor circuit also can monitor the output of described on off state circuit to signal processed,
Export another road control signal to reclosing motor-drive circuit.
2. intelligent road-lamp with residual current protecting according to claim 1 control chopper it is characterised in that：Described
Mu balanced circuit is PWM chopper stabilivolt circuit, and described PWM chopper stabilivolt circuit includes metal-oxide-semiconductor and audion, described rectified current
The voltage output on road is connected to the drain electrode of described metal-oxide-semiconductor, and described CPU governor circuit exports pwm control signal through diode
To the grid of described metal-oxide-semiconductor, the source ground of described metal-oxide-semiconductor, the voltage output end of described rectification circuit is through stabilivolt
It is connected to the base stage of described audion, the colelctor electrode of described audion is connected to the drain electrode of described metal-oxide-semiconductor through resistance, described
The grounded emitter of audion, the outfan of described stabilivolt picks out the first DC source, the negative pole end of described diode
It is connected to ground through another resistance.
3. intelligent road-lamp with residual current protecting according to claim 1 and 2 control chopper it is characterised in that：Institute
The intelligent road-lamp with residual current protecting stated controls chopper also to include light sensing circuit, the output of described light sensing circuit
Terminate first group of I/O mouth into described CPU governor circuit.
4. intelligent road-lamp with residual current protecting according to claim 1 and 2 control chopper it is characterised in that：Institute
The intelligent road-lamp with residual current protecting stated controls chopper also to include button inputting circuits, display circuit, RTC circuit, deposit
Storing up electricity road and communicating circuit, described button inputting circuits are connected to second group of I/O mouth of described CPU governor circuit, described
Display circuit includes LCDs, described LCDs, described RTC circuit, described storage circuit and described
Communicating circuit is respectively connected to the serial port of described CPU governor circuit.
5. intelligent road-lamp with residual current protecting according to claim 3 control chopper it is characterised in that：Described
Intelligent road-lamp with residual current protecting controls chopper also to include button inputting circuits, display circuit, RTC circuit, storage electricity
Road and communicating circuit, described button inputting circuits are connected to second group of I/O mouth of described CPU governor circuit, described display
Circuit includes LCDs, described LCDs, described RTC circuit, described storage circuit and described communication
Circuit is respectively connected to the serial port of described CPU governor circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621029908.6U CN206004977U (en) | 2016-08-31 | 2016-08-31 | Intelligent road-lamp with residual current protecting controls chopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621029908.6U CN206004977U (en) | 2016-08-31 | 2016-08-31 | Intelligent road-lamp with residual current protecting controls chopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206004977U true CN206004977U (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621029908.6U Active CN206004977U (en) | 2016-08-31 | 2016-08-31 | Intelligent road-lamp with residual current protecting controls chopper |
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| CN (1) | CN206004977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106132050A (en) * | 2016-08-31 | 2016-11-16 | 浙江德菱科技股份有限公司 | Intelligent road-lamp with residual current protecting controls chopper |
-
2016
- 2016-08-31 CN CN201621029908.6U patent/CN206004977U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106132050A (en) * | 2016-08-31 | 2016-11-16 | 浙江德菱科技股份有限公司 | Intelligent road-lamp with residual current protecting controls chopper |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |