CN201540643U - Landscape street lamp remote monitoring device - Google Patents
Landscape street lamp remote monitoring device Download PDFInfo
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- CN201540643U CN201540643U CN2009202385520U CN200920238552U CN201540643U CN 201540643 U CN201540643 U CN 201540643U CN 2009202385520 U CN2009202385520 U CN 2009202385520U CN 200920238552 U CN200920238552 U CN 200920238552U CN 201540643 U CN201540643 U CN 201540643U
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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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Abstract
A landscape street lamp remote monitoring device relates to a signal control device and provides a landscape street lamp remote monitoring device, which performs real-time monitoring to the landscape street lamp remote monitoring terminal based on the GPRS technology to detect the working state of all street lamp stations in a real-time manner. When the street lamp stations break down, the information can be quickly reflected to a supervision center to giving an alarm, and the breakdown can be treated; and when a cable is stolen, an alarm is given to the supervision center. The device comprises a main-control module, a switching value control and detection module and a GPRS module, wherein the main-control module is provided with a microprocessor, a power module and a clock module; the communication terminal of the clock module is connected with the I/O port of the microprocessor; the control terminal of the switching value control and detection module is circumscribed with the magnet coil terminal of an AC contactor, and the detection terminal of the switching value control and detection module is circumscribed with the normally open and normally close contacts of the AC contactor; the communication terminal of the switching value control and detection module is connected with the I/O port of the microprocessor; and the communication terminal of the GPRS module is connected with the asynchronous serial interface of the microprocessor.
Description
Technical field
The utility model relates to a kind of signal control device, especially relates to a kind of GPRS of employing mechanics of communication is carried out remote monitoring to road lamp landscape lamp device.
Background technology
Road lamp landscape lamp is the sign of city image, is the window in city, also is public infrastructure essential in the urban construction.City illumination is the important step that is related to citizen's vital interests, has directly reflected its construction level and the appearance of the city style and features in city, and the control of road lamp landscape lamp and management level more demonstrate the up-to-dateness in city.Technology is also relatively backward on the whole for the present road lamp landscape lamp supervisory system of China.Because traditional road lamp landscape lamp illumination control mode does not have remote data acquisition and communication function, can't realize Centralized Monitoring, so it moves and operating result can not be concentrated supervision, record and statistics, the requirement that does not reach quantitative management.In traditional control mode, whether correct operation, work normal etc. can't in time know for equipment, have only by the extensive work personnel make an inspection tour, citizen report for repairment etc., and means are understood.Along with the quick expansion of city street lamp, Landscape Lamp number in recent years, the workload that equipment is maked an inspection tour is also increasing, and when festivals or holidays and special circumstances need guarantee whole city's brightening rate, the overall situation personnel of street lamp office reached the standard grade to make an inspection tour and still do not satisfy requirement.Make an inspection tour periodic problem because manual patrol exists simultaneously, can't in time grasp the equipment failure situation, thereby cause fault to can not get rapid processing, data such as bright lamp rate, failure rate also can't real-time statistics.
Chinese patent CN2152364 provides a kind of automatic monitoring device of street lamp facility, is made up of radio station, modulator-demodular unit, terminal unit, Switching Power Supply and street lamp panel box.The radio station connects modulator-demodular unit, modulator-demodular unit by interface connecting terminal unit, and the signal that master station is sent is received in the radio station, and this signal is sent into terminal unit by modulator-demodular unit, realizes detecting the function of data and distribution control box.The utility model is convenient to monitoring, and each panel box does not have influence mutually.
Chinese patent CN2724353 provides a kind of city public illumination light monitoring management apparatus, comprise Surveillance center, streetlight monitoring terminal RTU in handheld terminal and the road lamp switch case, Surveillance center be one by central server, the radio alarming terminal, the LAN (Local Area Network) that GIS workstation and monitor workstation are formed, radio alarming terminal and handheld terminal are set up communication by the wireless communication transmission mode, GIS workstation and monitor workstation and streetlight monitoring terminal RTU can pass through the wireless communication transmission mode, streetlight monitoring terminal RTU links to each other with the electrical equipment of control street lamp, streetlight monitoring terminal RTU also has the interface that single lamp detects, the single lamp sense terminals at least one road of can plugging into.City public illumination light monitoring management apparatus of the present utility model, can realize the joint-monitoring of street lamp, urban look lamp, flood light lamp, realize the safe, reliable, efficient operation of urban lighting net, improved working efficiency, the expense of saving street lamp tour and operator on duty and causing.
The utility model content
The purpose of this utility model is that the problem that exists is gone up in monitoring at transitional street lamps, a kind of road lamp landscape lamp remote monitoring apparatus is provided, so that pass through real-time monitoring based on the road lamp landscape lamp remote monitoring terminal of GPRS technology, the working condition of each street lamp website be can patrol and examine in real time, current voltage, electric current and energy value and switch lamp state etc. comprised; When the street lamp website broke down, information can be reflected to Surveillance center's processing of reporting to the police very soon, thereby made that fault can obtain handling as early as possible, guaranteed that street lamp is in benign state.
The utility model is provided with main control module, switching value control detection module and GPRS module, and main control module is provided with microprocessor, power module and clock module, and the clock module communication ends is connected to the I/O port of microprocessor.The external A.C. contactor solenoid of switching value control detection module controls end end, external A.C. contactor normally-open normally-close contact, switching value control detection module test side, switching value control detection module communication end is connected to the I/O port of microprocessor, and GPRS module communication end connects the Asynchronous Serial Interface of microprocessor by the RS232 interface.
Can establish the clock module at switching value control detection module controls end, clock module output terminal is connected to switching value control detection module controls end.
Electric parameter detection port at main control module can be established the electric parameter detection module, the current transformer in the external on-the-spot power distribution cabinet of electric parameter detection module input end, and electric parameter detection module output terminal is connected to the electric parameter detection port of main control module.
Can be provided with temperature collect module at the I/O of microprocessor port, the temperature collect module communication ends is connected to the I/O port of microprocessor.
Also can be provided with liquid crystal display and keyboard input module at the I/O of microprocessor mouth, liquid crystal display and keyboard input module are connected to the I/O mouth of microprocessor.
Described clock module, temperature collect module and liquid crystal display and keyboard input module are installed in the front of main control module, and switching value control detection module, electric parameter detection module, GPRS module are installed in the side of main control module.
Link to each other with the Surveillance center supervisory system in the mode of GPRS communication.
When the street lamp remote measuring and controlling system produced, communication just played crucial effect therein, and it is the basis of realizing remote measurement and control.In the evolution of street lamp remote measuring and controlling system, many different communication modes are adopted in succession, and obtained effect is also had nothing in common with each other.From communication modes, mainly be divided into wire communication and wireless telecommunications.Wire communication has the reliable and big characteristics of transmission capacity of transmission, but wire communication mode only is adapted to the supervisory system of zonule among a small circle, it almost is impossible that wire communication mode is adopted in metropolitan global monitoring management, can imagine that putting a cover monitoring transmission communication network at a big city lining will be a how time-consuming thing of expensive effort, and its stationarity can't solve the requirement that city layout develops variation rapidly again.
Compare with existing various wire communication modes, the wireless telecommunications that the utility model adopted have following its distinctive advantage that is applicable to the remote measurement and control field:
1) cost cheapness: because the foundation of wire communication mode must be set up cable, or excavate cable duct, therefore need great amount of manpower and material resources; And the employing wireless communication mode, it is just passable then only need to connect wireless data transmission module in each terminal.Use wireless communication mode by contrast, saved manpower and materials, investment is quite to save.
2) the construction project cycle is short: adopt wired mode, must set up the cable of long distance or excavate very long cable duct, this construction period may just need the time of several months, and with the mode of wireless telecommunications, construction period only needed several days or a few week just passable.
3) adaptability is good: the limitation of wire communication is too big, running into some special applied environments, such as running into wirings such as special geographical environment such as mountain region, lake, forest zone or mobile object relatively during the applied environment of difficulty, extremely strong restrained force will be arranged the wiring installation of cable network, and will not limited by these with wireless communication mode.
4) favorable expandability: after what a communication network the user sets up, usually because the needs of system increase new equipment.If adopt wired mode, need rewiring, it is cumbersome to construct, but also might destroy original communication line, if but adopt wireless communication mode, only newly added equipment need be connected with wireless data transmission module and just can realize the expansion of system.
5) easier realization in the plant maintenance: the maintenance of wire communication link needs road along the line to check, when breaking down, the general very difficult trouble spot of in time finding out, and adopt wireless communication mode only need safeguard wireless data transmission module, the Shi Zeneng that breaks down finds out reason fast, recovers circuit and normally moves.
The communication mode of the described wireless digital broadcasting station of in background technology part, being quoted of Chinese patent CN2152364, its frequency resource, bandwidth, power, erect a television antenna, the insoluble problems of wireless high capacity private network such as relay, maintainability and environmental stability are the biggest problem during it is used.
In sum, in the street lamp remote measuring and controlling system, adopt wire communication mode to exist many problems that are difficult to avoid, and wireless communication techniques such as data radio station all have the some shortcomings part.So remote control technology scheme of the present utility model adopts the GPRS communication technology, has following advantage:
1) reasonable price, the resource utilization height.GPRS has introduced the transmission mode of packet switch, makes the user only just take resource in transmission or during receiving data, this means that a plurality of users can share same wireless channel expeditiously, thereby has improved the utilization factor of resource.The mode of charging by flow is taked in the GPRS communication, has embodied the principle of " obtain what, payment what ".
2) transfer rate height, real-time is good, and data volume is big.GPRS can provide the transfer rate up to 115kbit/s.
3) turn-on time is short.Packet switch is less than 1 second turn-on time, can provide fast and connect timely, can increase substantially some affairs (as credit card check, remote monitoring etc.) efficient, and the Internet that oneself is had to use (as E-mail, web page browsing etc.) operation more convenient, smooth.
4), can provide powerful Internet access capability based on the IP agreement.
5) always online, the reliability height, antijamming capability is strong.
No matter from construction period, construction cost and operating cost, or the angle relatively be concerned about of user such as the advance of the reliability of system, stability and technology and a speech, the GPRS technology has an enormous advantage at long-range decentralized data acquisition application tool.The GPRS wireless communication mode has that coverage is big, real-time good, exempt from network operation, transfer rate is fast, data volume is big, charge by flow and can insert advantages such as Internet, therefore, wider in distribution range, data collection point is many, the occasion that real-time is had relatively high expectations, the GPRS mechanics of communication is proper, and it also meets the development trend in remote measurement and control field simultaneously, and that is exactly the fusion of measurement and control network and information network.
Adopt the technical solution of the utility model, can monitor the road lamp landscape lamp running status in real time, and can carry out long-range GPRS with Surveillance center and communicate by letter, finish " remote regulating ", " remote measurement ", " remote signalling " and " four is distant " functions such as " remote controls ".The user also can be by the on-the-spot inquiry in road lamp landscape lamp remote monitoring terminal human-computer interaction interface road lamp landscape lamp running status simultaneously.Designed long-distance monitorng device can carry out the control of automatic switch lamp according to the switch lamp timetable that Surveillance center sends, and can obtain on-the-spot line voltage distribution, electric current and energy value, switch lamp state and environment temperature simultaneously, and it is uploaded to Surveillance center.Designed road lamp landscape lamp remote monitoring apparatus not only has the function of monitoring, has also reserved the remote meter reading communication interface, can change the expense that manual metering in the past brings big, be inconvenient to control, problems such as power stealing.Be furnished with two kinds of modules of master control and clock in the device, also can control automatically when master control is broken down at the scene.
Description of drawings
Fig. 1 is that the circuit of the utility model embodiment is formed theory diagram;
Fig. 2 is the microprocessor and the power module circuitry theory of constitution figure of the utility model embodiment main control module;
Fig. 3 is that liquid crystal display and keyboard input module, clock module and the thermal module circuit of the utility model embodiment main control module formed schematic diagram;
Fig. 4 is that the communication module circuit of the utility model embodiment main control module is formed schematic diagram;
Fig. 5 is that the utility model embodiment electric parameter acquisition module circuit is formed schematic diagram;
Fig. 6 is that the switching value control module circuit of the utility model embodiment switching value control detection module is formed schematic diagram;
Fig. 7 is that the switching value detection module circuit of the utility model embodiment switching value control detection module is formed schematic diagram;
Fig. 8 is the host CPU and the power circuit theory of constitution figure of the utility model embodiment clock module;
Fig. 9 is that button, demonstration, the clock module circuit of the utility model embodiment clock module formed schematic diagram;
Figure 10 is the switching value control circuit theory of constitution figure of the utility model embodiment clock module.
Embodiment
Referring to Fig. 1, the utility model is provided with main control module 1, clock module 2, switching value control detection module 3, electric parameter detection module 4, GPRS module 5, clock module 6, temperature collect module 7 and liquid crystal display and keyboard input module 8, clock module 2 output terminals are connected to switching value control detection module 3 control ends, the external A.C. contactor solenoid of switching value control detection module 3 control ends end, the external A.C. contactor normally-open normally-close of switching value control detection module 3 test side ends contact, switching value control detection module 3 communication ends are connected to the I/O port of main control module 1, electric parameter detection module 4 input end external impressed current mutual inductors, electric parameter detection module 4 output terminals are connected to the electric parameter detection port of main control module 1, GPRS module 5 communication ends are connected to the RS232 interface of main control module 1, clock module 6 is connected to the I/O port of main control module, temperature collect module 7 is connected to the I/O port of main control module, and liquid crystal display and keyboard input module 8 are connected to the I/O mouth of main control module.
The switching value communication interface of switching value control detection module 3 is connected to the switching value control detection communication interface of main control module 1 with DB25 needle serial port line; The switching value communication interface of electric parameter detection module 4 detects interface with the electric parameter that DB25 needle serial port line is connected to main control module 1; The communication interface of GPRS module 5 is connected to the GPRS module communication interface of main control module 1 with DB9 needle serial port line; The switching value control interface of clock module 2 is connected to the switching value control interface of switching value control detection module 3 with the lead of diameter 0.75mm; Clock module 6, temperature collect module 7 and liquid crystal display and keyboard input module 8 are installed in the front of main control module 1 panel.
Referring to Fig. 2, the Switching Power Supply of external 12V is connected to LM317T integrated regulator U1 through interface PWR, convert the power supply of 5V voltage to through R1 and R2 as LCD, RS232 communication interface, RS485 communication interface and electric parameter acquisition module, 5V voltage converts 3.3V voltage to through RH5RL33AA integrated circuit U2 again, as the power supply of microprocessor MSP430F149.CAT1161 integrated circuit U6 is connected on the microprocessor MSP430F149, and JTAG is connected to the programming that is used for program on the microprocessor MSP430F149.
Referring to Fig. 3, button S1, S2, S3 and S4 are connected to the interface of the 8255A integrated circuit U3 of MSP430F149 microprocessor, LCD also is connected to the interface of the 8255A integrated circuit U3 of MSP430F149 microprocessor, the interface of button S1, S2, S3 and S4 control LCD.The interface that SD2300 integrated circuit of clock U5 is connected to the MSP430F149 microprocessor is used for exchanges data, reads current real-time time.The interface that DS18B20 temperature integrated circuit U4 is connected to the MSP430F149 microprocessor carries out exchanges data, is used to read current temperature.
Referring to Fig. 4, received signal and transmission signal are sent by the MSP430F149 microprocessor, in received signal and the transmission signal a road is connected to GM8125 integrated circuit U7, GM8125 integrated circuit U7 becomes signal extension two-way to be transferred to MAX485 integrated circuit U8 and MAX232 integrated circuit U9 respectively again, received signal is connected to MAX485 integrated circuit U8 and is connected to MAX232 integrated circuit U9 by the RS232 interface by the RS485 communication interface, MAX485 integrated circuit U8 and MAX232 integrated circuit U9 are connected to GM8125 integrated circuit U7, be connected to the MSP430F149 microprocessor by GM8125 integrated circuit U7 again, send signal and be connected to GM8125 integrated circuit U7 by the MSP430F149 microprocessor, be connected to MAX485 integrated circuit U8 and MAX232 integrated circuit U9 by GM8125 integrated circuit U7 again, MAX485 integrated circuit U8 is connected to the RS485 communication interface, and MAX232 integrated circuit U9 is connected to the RS232 communication interface.Another road received signal and transmission signal are connected to MAX232 integrated circuit U10, received signal sends to the MAX232 communication interface by the GPRS signal and is connected to MAX232 integrated circuit U10, MAX232 integrated circuit U10 is connected to the MSP430F149 microprocessor, send signal and be connected to MAX232 integrated circuit U10, be connected to the RS232 communication interface by MAX232 integrated circuit U10 again by the MSP430F149 microprocessor.
Referring to Fig. 5, current signal is connected to the interface JP3 of DB25 pin by current transformer, the interface JP3 of DB25 pin is transferred to CD4052 integrated circuit U12, U13, U14 to signal, gating current signal wherein is connected to SA9904B integrated circuit U11 by CD4052 integrated circuit U12, U13, U14, and SA9904B integrated circuit U11 is connected to the MSP430F149 microprocessor and carries out exchanges data.Voltage signal is connected to the interface JP2 of DB9 pin by voltage transformer (VT), and the interface JP2 of DB9 pin is transferred to SA9904B integrated circuit U11 to signal, and SA9904B integrated circuit U11 is connected to the MSP430F149 microprocessor and carries out data acquisition.
Referring to Fig. 6, switching signal is received P521 light idol U3 and U4 by interface JP1 and JP2, and P521 light idol U3 and U4 are transferred to the MSP430F149 microprocessor to the signal that collects by DB25 needle interface JP4.
Referring to Fig. 7, when the selector switch of main control module was got to manual gear, the switching value control module was by the switch control of main control module.When the selector switch of main control module was got to automatic control gear, the switching value control module was by master control module controls.By DB25 needle interface JP4, the MSP430F149 microprocessor sends to 74HC244 integrated circuit U5 to control signal, 74HC244 integrated circuit U5 is connected to P621 light idol U6, P621 light idol U6 is transferred to switching signal the break-make of electromagnetic relay DC1, DC2, DC3 and DC4 control electromagnetic relay again, again make-and-break signal is passed through interface JP1, realize the control of switch amount.
Referring to Fig. 8, the reset terminal of external CAT1161 chip is connected to the AT89S52 microprocessor simultaneously through pull down resistor R7 ground connection; The clock line of CAT1161 chip and data line are connected respectively to the AT89S52 microprocessor.External 12V power supply is connected to LM317 integrated regulator U3 through IN4148 stabilivolt D1 and filter capacitor C4, C5, converts the power supply of 5V voltage as button, demonstration, clock module, reset circuit and AT89S52 microprocessor to through R8 and R9.
Referring to Fig. 9, button S1, S2 are connected to the interface of AT89S52 microprocessor, charactron LED1-LED6 selects interface through the position that triode Q1-Q6 is connected to the AT89S52 microprocessor, charactron LED1-LED6 is connected to simultaneously and drives U5, and driving U5 is connected to the section of AT89S52 microprocessor and selects interface.The serial communication port of clock chip U4 is connected to the AT89S52 microprocessor simultaneously through pull-up resistor R11-R14 connection+5V power supply.Clock chip U4, button S1, S2 control charactron display interface.
Referring to Figure 10; control signal is sent by the AT89S52 microprocessor; control signal is connected to 74HC244 and drives U6; 74HC244 drives U6 and is connected to P621-4 optocoupler U7; P621-4 optocoupler U7 is connected to an end of DCSSR relay DC1-DC4 Inside coil by current-limiting resistance R25-R28 and amplifying triode Q7-Q10; be connected to the other end of DCSSR relay DC1-DC4 Inside coil by protection diode D2-D5, this end is connected to+12Vcc on.
The label of power module, title value and components and parts title are referring to table 1.
Table 1
The label of host CPU module, title value and components and parts title are referring to table 2.
Table 2
Label, title value and the components and parts title of button input and display module are referring to table 3.
Table 3
The label of communication module, title value and components and parts title are referring to table 4.
Table 4
Label, title value and components and parts title that electric parameter is gathered are referring to table 5.
Table 5
Label, title value and components and parts title that switching value detects are referring to table 6.
Table 6
Label, title value and the components and parts title of switching value control are referring to table 7.
Table 7
The label of host CPU, power module, title value and components and parts title are referring to table 8.
Table 8
The label of clock, button and display module and switching value control module, title value and components and parts title are referring to table 9.
Table 9
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but the those skilled in the art should be understood that; in the spirit and scope of the present utility model that do not break away from appended claims and limited; can make various variations to the utility model in the form and details, be protection domain of the present utility model.
Claims (6)
1. road lamp landscape lamp remote monitoring apparatus, it is characterized in that being provided with main control module (1), switching value control detection module (3) and GPRS module (5), main control module (1) is provided with microprocessor, power module and clock module (6), and clock module (6) communication ends is connected to the I/O port of microprocessor; The external A.C. contactor solenoid of switching value control detection module (3) control end end, the external A.C. contactor normally-open normally-close of switching value control detection module (3) test side end contact, switching value control detection module (3) communication ends is connected to the I/O port of microprocessor, and GPRS module (5) communication ends connects the Asynchronous Serial Interface of microprocessor by the RS232 interface.
2. road lamp landscape lamp remote monitoring apparatus as claimed in claim 1 is characterized in that establishing clock module (2) at switching value control detection module (3) control end, and clock module (2) output terminal is connected to switching value control detection module (3) control end.
3. road lamp landscape lamp remote monitoring apparatus as claimed in claim 1, it is characterized in that establishing electric parameter detection module (4) in the electric parameter detection port of main control module (1), current transformer in the external on-the-spot power distribution cabinet of electric parameter detection module (4) input end, electric parameter detection module (4) output terminal is connected to the electric parameter detection port of main control module (1).
4. road lamp landscape lamp remote monitoring apparatus as claimed in claim 1 is characterized in that being provided with temperature collect module (7) at the I/O of microprocessor port, and temperature collect module (7) communication ends is connected to the I/O port of microprocessor.
5. road lamp landscape lamp remote monitoring apparatus as claimed in claim 1 is characterized in that being provided with liquid crystal display and keyboard input module (8) at the I/O of microprocessor mouth, and liquid crystal display and keyboard input module (8) are connected to the I/O mouth of microprocessor.
6. road lamp landscape lamp remote monitoring apparatus as claimed in claim 1, it is characterized in that described clock module (6), temperature collect module (7) and liquid crystal display and keyboard input module (8) are installed in the front of main control module, switching value control detection module (3), electric parameter detection module (4), GPRS module (5) are installed in the side of main control module (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202385520U CN201540643U (en) | 2009-10-30 | 2009-10-30 | Landscape street lamp remote monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202385520U CN201540643U (en) | 2009-10-30 | 2009-10-30 | Landscape street lamp remote monitoring device |
Publications (1)
| Publication Number | Publication Date |
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| CN201540643U true CN201540643U (en) | 2010-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202385520U Expired - Fee Related CN201540643U (en) | 2009-10-30 | 2009-10-30 | Landscape street lamp remote monitoring device |
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| CN (1) | CN201540643U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393195A (en) * | 2011-08-24 | 2012-03-28 | 潍坊大禹水文科技有限公司 | Hydrologic information collection instrument |
| CN102740570A (en) * | 2012-07-13 | 2012-10-17 | 厦门元谷信息科技有限公司 | Remote LED (light emitting diode) light adjusting system |
| CN102802312A (en) * | 2012-08-14 | 2012-11-28 | 成都理工大学 | Energy consumption controller for urban road lighting |
-
2009
- 2009-10-30 CN CN2009202385520U patent/CN201540643U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393195A (en) * | 2011-08-24 | 2012-03-28 | 潍坊大禹水文科技有限公司 | Hydrologic information collection instrument |
| CN102393195B (en) * | 2011-08-24 | 2013-04-10 | 潍坊大禹水文科技有限公司 | Hydrologic information collection instrument |
| CN102740570A (en) * | 2012-07-13 | 2012-10-17 | 厦门元谷信息科技有限公司 | Remote LED (light emitting diode) light adjusting system |
| CN102740570B (en) * | 2012-07-13 | 2016-03-16 | 厦门元谷信息科技有限公司 | A kind of remote LED light adjusting system |
| CN102802312A (en) * | 2012-08-14 | 2012-11-28 | 成都理工大学 | Energy consumption controller for urban road lighting |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20121030 |