CN2812494Y - Intelligent real-time cold test apparatus for fault of street lamp - Google Patents
Intelligent real-time cold test apparatus for fault of street lamp Download PDFInfo
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- CN2812494Y CN2812494Y CN 200520078976 CN200520078976U CN2812494Y CN 2812494 Y CN2812494 Y CN 2812494Y CN 200520078976 CN200520078976 CN 200520078976 CN 200520078976 U CN200520078976 U CN 200520078976U CN 2812494 Y CN2812494 Y CN 2812494Y
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Abstract
The utility model discloses an intelligent real-time cold test apparatus for a fault of a street lamp. The apparatus relates to a circuit apparatus for supplying electricity or distributing electricity. More specifically, the utility model relates to a test apparatus for a fault of a circuit of a street lamp. The utility model mainly solves the problems that an apparatus of an original the utility model is not intelligent, is not standard and is not universal. The apparatus is composed of an intelligent main control device arranged on an inlet wire of the circuit of the street lamp, and a tail end device arranged at the tail end of the circuit of the street lamp, A microprocessor, a peripheral circuit, a parameter setting circuit, an outer abnormal reset circuit of the microprocessor, a communication interface and a level switching circuit are additionally arranged in a main control device of the original apparatus, which forms the intelligent main control device. The apparatus can be connected with real-time monitoring remote terminal machines with various model numbers for the street lamp. The utility model can monitor the street lamp in a real-time mode for 24 hours day and night, can discover a fault at any time and can solve the problem in time. When the utility model is used, the utilization rate of a real-time monitoring system of the street lamp can be improved by more than one time.
Description
Technical field
The utility model relates to the circuit arrangement or the system of power supply or distribution, particularly relates to the circuit arrangement of a kind of ac mains or ac distribution network, and specifically a kind of street lamp intelligence real time fail cold test device is used for the detection to street lamp fault.
Background technology
Each big and medium-sized cities guarantees street lamp normal illumination at night for beautifying city and city night safe now, and the street lamp real-time monitoring system all has been installed mostly.Present mounted street lamp real-time monitoring system can only be monitored the operating state and the various parameter of street lamp when the street lamp normal illumination.And designer of the present utility model had once declared a patent " street lamp fault cold test device " in 2002 as the patent designer, the patent No. is ZL 02 2 24674.6, this device is made up of main control device and end-equipment, and main control device comprises signal condition and modulation, signal amplification and demodulation, isolation and coupling circuit; End-equipment comprises reception, transmission and isolation module.It has solved the problem that can only could find fault under the street lighting situation that original street lamp real-time monitoring system exists, and when street lamp does not throw light on by day, and the street lamp real-time monitoring system also can operate as normal, finds fault, timely solution.But still there is following problem in it, that is: at first it is a kind of isolated plant, the interface criteria of right and wrong of it and streetlight monitoring remote testing, so it can only be used for the street lamp real-time monitoring system that this patent designer is developed, be difficult to be connected with domestic other road lamp remote monitoring system; Next is that former technology right and wrong are intelligent, its work is passive, promptly must be under the control of remote testing passive work, will increase the burden of remote testing like this, the more important thing is that it will make the remote testing can not generalization and standardization, so just make system main equipment occur, make main equipment become more random and more random along with the phenomenon that subset changes.Because its no standard interface so just can't be connected with mini-computer or notebook, makes that its Installation and Debugging are also very difficult, local measurement can't be realized in addition, remote measurement can only be carried out.
The utility model content
The purpose of this utility model is in order to solve non intelligentization, non-standard, the non-general problem that former utility model device exists, a kind of street lamp intelligence real time fail cold test device is provided, this device has intelligence, technical characterstic standard, general, be a kind ofly both can monitor remote testing in real time and be connected with various model street lamps, the device that can be connected with mini-computer or notebook again is used for the street lamp real-time monitoring system of each big and medium-sized cities.
The technical solution of the utility model is: on the basis of aforementioned means technology, adopted the peripheral interface circuit technology of computer technology and standard to form intelligent apparatus of the present utility model.Specifically, this device comprises intelligent main control device and end-equipment two parts, and wherein intelligent main control device is to have set up microprocessor and peripheral circuit, parameter setting circuit, the outside exceptional reset circuit of microprocessor, communication interface and level shifting circuit on the basis of original device main control device.Microprocessor is connected with parameter setting circuit is two-way, it sends to the work of signal controlling parameter setting circuit on the one hand, obtain the parameter be provided with from parameter setting circuit on the other hand, and send test signal by signal condition and modulation and isolation and coupling circuit terminad equipment, this test signal is sent back to after the end-equipment processing and amplifying, after isolate and coupling circuit, signal amplifies with demodulator circuit sends into microprocessor, after microprocessor is handled judgement to the received signal, according to fault-free is arranged, decision is to upload fault message then, still carries out the measurement on next road; Microprocessor is connected with communication interface and level shifting circuit are two-way, and microprocessor sends test result data by communication interface and level shifting circuit to remote testing, the test instruction that the receiving remote terminating machine is sent; The outside exceptional reset circuit of microprocessor is connected with microprocessor is two-way, guarantees that microprocessor is in normal operating conditions.
Above-mentioned street lamp intelligence real time fail cold test device, wherein microprocessor and peripheral circuit are made up of microprocessor, data latches, decoding control circuit, program storage, data storage and crystal oscillator.Microprocessor is according to the program timing of solidifying or test at random, as required the result is sent to remote testing or computer.
Above-mentioned street lamp intelligence real time fail cold test device, wherein communication interface and level shifting circuit are made up of integrated level conversion device and peripheral circuit and transistor collector open-circuit.It is connected with microprocessor is two-way, and to carry out signal mutual with remote testing.
Above-mentioned street lamp intelligence real time fail cold test device, wherein the outside exceptional reset circuit of microprocessor it form by timer, discharge triode and diode and Resistor-Capacitor Unit.Microprocessor and outside exceptional reset two-way connection of circuit of microprocessor, when the microprocessor operate as normal, microprocessor self-timing control discharge circuit discharges; When microprocessor work was unusual, reset circuit made its operate as normal with regard to the microprocessor that resets by force.
Above-mentioned street lamp intelligence real time fail cold test device, wherein parameter setting circuit selects an analog switch and integrated resistor to form by toggle switch, eight.It is connected with microprocessor is two-way, has both received the control signal that microprocessor is given, and the parameter that will be provided with is given microprocessor again.
The beneficial effect that the utility model is obtained is: because the utility model has adopted the peripheral interface circuit technology of computer technology and standard, so it combines with former utility model device and can solve the problem that original device exists.Simultaneously, it also can be used as one independently, monitor the fexible unit that remote testing is connected in real time with the street lamp of national various models.Like this, spent huge fund and installed under the condition of street lamp real-time monitoring system in that each city, the whole nation is all,, just can realize that 24 hours round the clock street lamps monitor in real time, found at any time to solve a problem promptly fault as long as increase seldom investment.Be extensive use of the utility model, not only can be so that the utilance of China's city street lamp real-time monitoring system is enhanced about more than once, and make the management of China's city street lamp real-time monitoring system step new paces to intelligent, scientific, development of modernization.
Description of drawings
Fig. 1 is the block diagram representation that the utility model is formed
Fig. 2 is the utility model microprocessor and peripheral circuit schematic diagram
Fig. 3 is communication interface of the present utility model and level shifting circuit schematic diagram
Fig. 4 is the outside exceptional reset circuit theory diagrams of microprocessor of the present utility model
Fig. 5 is a parameter setting circuit schematic diagram of the present utility model
Embodiment
With reference to Fig. 1, it is the block diagram representation that the utility model is formed, and it is made up of intelligent main control device, end-equipment, power supply distribution box and street lamp power line.The intelligence main control device comprises microprocessor A and memory B and control and decoding circuit C, parameter setting circuit F, the outside exceptional reset circuit of microprocessor E, communication interface and level shifting circuit D, signal condition and modulation circuit G, signal amplifies and demodulator circuit H, isolation and coupling circuit I.The intelligence main control device generally is installed in the power supply distribution box of box type transformer, promptly is installed in this public lighting circuit inlet, adopts wall-hanging structure to be mounted on the wall of casing.This intelligence main control device is connected with remote testing or computer by standard RS-232 interface and carries out data communication, use open collector port output alarm signal, can be connected with remote testing by relay, also can directly be connected with remote testing.In addition and between the street lamp power line, directly be connected behind isolation and the coupling circuit by itself with power line.End-equipment comprises isolation, reception, transmitter module, generally is installed on last electric pole of street lamp power line tip, can directly be connected with the street lamp power line by the isolation module of itself.
The course of work of the present utility model is roughly: the parameter that microprocessor A is provided with according to parameter setting circuit F is regularly sent test signal by signal condition and modulation circuit G and isolation and coupling circuit I to the street lamp power line, this test signal passes to end-equipment by power line, after the end-equipment processing and amplifying, send power line again back to, this inverse signal is passed through power line again, isolate and coupling circuit I, signal amplifies with demodulator circuit H sends into microprocessor A, microprocessor is according to the situation of received signal, after carrying out data processing, judged whether that fault takes place, if there is fault to take place, then microprocessor sends fault interruption and fault parameter by communication interface and level shifting circuit D to remote testing.Take place as fault-free, then parameter decision another road street lamp power line of test that is provided with according to parameter setting circuit F or next time test according to the time.Because microprocessor A is two-way the connection with communication interface with level shifting circuit D, so it also can be according to testing from remote testing or computer commands.
With reference to Fig. 2, it is the microprocessor and the peripheral circuit schematic diagram of the utility model device, it mainly is made up of the Intel80196KC of Intel Company sixteen bit microprocessor U1, data latches U2 (74LS373), decoding control circuit U11 (GAL16V8), program storage U3 (EPROM2764), data storage U4 (RAM6264) and crystal oscillator, this microprocessor has addressing space big, and port enriches and reaches advantages such as data-handling capacity is strong.Microprocessor U1 is provided with circuit F by pin (19), (20), (21) output signal Control Parameter, and obtains parameter setting information from pin (9), is kept at then among the data storage U4; Again according to the pin (28) of microprocessor U1, (30), (31), (32) the test power circuit that is determined number, pin (39) by microprocessor U1 sends test signal to signal condition and modulation circuit, this test signal is through signal condition and modulation circuit G, power line, end-equipment, after the end-equipment processing and amplifying, send power line again back to, pass through power line again, isolate and coupling circuit I, signal amplifies the pin (8) of sending into microprocessor U1 with demodulator circuit H, microprocessor is according to the signal that receives, judging has fault-free, if fault is arranged, then the pin (22) by microprocessor U1 sends the warning interrupt signal, and initiatively the pin (18) by U1 sends fault data to communication interface and level shifting circuit D, or by the order of pin (17) acceptance from communication interface and level shifting circuit.In order to guarantee the microprocessor operate as normal, when microprocessor work just often, the outside exceptional reset circuit of microprocessor does not produce reset signal, microprocessor U1 must discharge by the discharge circuit of pin (33) control abnormity reset circuit; When microprocessor work was unusual, reset circuit just worked, and the microprocessor that resets by force makes its operate as normal.
With reference to Fig. 3, it is communication interface of the present utility model and level shifting circuit schematic diagram, and it mainly is made up of the MAX202 device U5 of MAXIM company and peripheral circuit and triode T10 open collector circuit.After entering, the pin (13) of its input command by U5 be converted to the TTL signal, send into the pin (17) of microprocessor U1 again by pin (12), the pin (11) of dateout by U5 is connected with remote testing or microcomputer with the RS-232 signal of standard, and the alarm condition of this device is then exported with the open circuit form from triode T10 collector electrode.
With reference to Fig. 4, it is the schematic diagram of the outside exceptional reset circuit of microprocessor of the present utility model, and it is made up of timer U12 (NE555), discharge triode T9 (9013) and diode, resistance, electric capacity.Though Intel80196KC microprocessor U1 itself has watchdog circuit in the sheet, but because this device generally is installed in the distribution box of street lamp, its electromagnetic environment is more abominable, only depend on according to practical experience that watchdog circuit also is nowhere near in the sheet, so will add the outside exceptional reset circuit of microprocessor in addition, guarantee the very reliable work in adverse circumstances of this device.The discharge input QRES of this circuit is connected with the pin (33) of microprocessor U1, and the pin of this circuit U 12 (3) is connected with pin (16) RESET of microprocessor U1.The effect of the outside exceptional reset circuit of microprocessor is: when the microprocessor operate as normal, microprocessor self-timing control discharge circuit discharges; When microprocessor work is unusual, fly away from normal orbit etc. as microprocessor deadlock or program, then microprocessor just can not discharge by the timing controlled discharge circuit, and this moment, reset circuit will work, and the microprocessor that resets by force makes its operate as normal.
With reference to Fig. 5, it is the utility model parameter setting circuit schematic diagram, and this parameter setting circuit selects an analog switch U8 (CD4051) and integrated resistor R8 (4.7K * 8) to form by toggle switch U6, eight.General fully in order to guarantee, need to revise some parameters, this circuit is imported some actual parameters that are provided with by switch exactly, as: measure way and address etc.The output of this circuit is connected with U1 pin (9) by the pin (3) of U8, and the input control pin (9) of U8, (10), (11) are connected with pin (19), (20), (21) of U1 respectively.
Claims (5)
1. street lamp intelligence real time fail cold test device, comprise main control device of forming by signal condition and modulation circuit, signal amplification and demodulator circuit, isolation and coupling circuit and the end-equipment of forming by reception, transmission and isolation module, it is characterized in that also being included in the microprocessor and peripheral circuit, parameter setting circuit, the outside exceptional reset circuit of microprocessor, communication interface and the level shifting circuit that increase in the main control device; Microprocessor is connected with parameter setting circuit is two-way, and it sends to the work of signal controlling parameter setting circuit, receives the parameter signal of sending here from parameter setting circuit that has been provided with; Microprocessor passes by signal condition and modulation circuit, isolation and coupling circuit terminad equipment and goes test signal, and this test signal is sent back to after the end-equipment processing and amplifying, after isolation and coupling circuit, signal amplification and demodulator circuit are sent into microprocessor; Microprocessor is connected with communication interface and level shifting circuit are two-way, and microprocessor sends test result data by communication interface and level shifting circuit to remote testing, the test instruction that the receiving remote terminating machine is sent; The outside exceptional reset circuit of microprocessor is connected with microprocessor is two-way, guarantees that microprocessor is in normal operating conditions.
2. street lamp intelligence real time fail cold test device according to claim 1, it is characterized in that microprocessor and peripheral circuit be made up of microprocessor (U1), data latches (U2), decoding control circuit (U11), program storage (U3), data storage (U4) and crystal oscillator, microprocessor according to program curing regularly or test at random is sent to remote testing to the result as required.
3. street lamp intelligence real time fail cold test device according to claim 1, it is characterized in that communication interface and level shifting circuit be made up of integrated level conversion device (U5) and peripheral circuit and triode (T10) open collector circuit, it is connected with microprocessor is two-way, and to carry out signal mutual with remote testing.
4. street lamp intelligence real time fail cold test device according to claim 1, it is made up of the reset circuit that timer (U12), discharge triode (T9) and diode and Resistor-Capacitor Unit constitute to it is characterized in that the outside exceptional reset circuit of microprocessor, microprocessor and outside exceptional reset two-way connection of circuit of microprocessor, during the microprocessor operate as normal, its self-timing control discharge circuit discharges; When microprocessor work was unusual, reset circuit made its operate as normal with regard to the microprocessor that resets by force.
5. street lamp intelligence real time fail cold test device according to claim 1, it is characterized in that parameter setting circuit selects an analog switch (U8) and integrated resistor (R8) to form by toggle switch (U6), eight, it is connected with microprocessor is two-way, both received the control signal that microprocessor is given, the parameter that will be provided with is given microprocessor again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520078976 CN2812494Y (en) | 2005-06-29 | 2005-06-29 | Intelligent real-time cold test apparatus for fault of street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520078976 CN2812494Y (en) | 2005-06-29 | 2005-06-29 | Intelligent real-time cold test apparatus for fault of street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2812494Y true CN2812494Y (en) | 2006-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520078976 Expired - Fee Related CN2812494Y (en) | 2005-06-29 | 2005-06-29 | Intelligent real-time cold test apparatus for fault of street lamp |
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| Country | Link |
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| CN (1) | CN2812494Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188201A (en) * | 2018-08-31 | 2019-01-11 | 曾建忠 | A method of safely and fast searching public lighting circuit failure |
-
2005
- 2005-06-29 CN CN 200520078976 patent/CN2812494Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188201A (en) * | 2018-08-31 | 2019-01-11 | 曾建忠 | A method of safely and fast searching public lighting circuit failure |
| CN109188201B (en) * | 2018-08-31 | 2020-06-26 | 曾建忠 | Method for safely and quickly searching street lamp line fault |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |