CN201409250Y - Street lamp single lamp monitor - Google Patents

Abstract

The utility model relates to a single-lamp monitor of a street lamp. A plurality of disadvantages exist in current street lamp monitoring. In the utility model, one end of a leakage detection module,a power carrier communication module and an inductor is respectively connected with the live line of a power supply; the other ends of the leakage detection module and the power carrier communicationmodule are connected with the zero line of the power supply; and the zero line of the power supply is connected with one end of a street lamp after passing through a current transducer. One end of a four-way switch module is connected with the other end of an inductor, the other end of the four-way switch module is connected with one end of a voltage detection module, and the other end of the voltage detection module is connected with the other end of the street lamp. The leakage detection module, the power carrier communication module, the four-way switch module, the wireless communication module, the voltage detection module and the current transducer are all in signal connection with a single chip. The single-lamp monitor of street lamp can realize positioning monitoring to specific lamp posts so that the control of the street lamp is more scientific.

Description

Street lamp single lamp monitor

technical field

The utility model belongs to the field of electronic technology, and relates to a single-lamp monitoring device, in particular to an intelligent monitoring device applied to a single-pole street lamp.

Background technique

With the popularization of modern centralized control automation systems for street lamps, the shortcomings of centralized control are becoming more and more obvious: the lighting rate cannot be accurately judged, faulty street lamps cannot be accurately located, and the switch of a single street lamp cannot be controlled at will. Since the fault point cannot be located, street lamp maintenance personnel can only drive around to check, find faulty street lamps, or call citizens, and the maintenance cost is high. In addition, some light poles will leak electricity when it is cloudy and rainy, and there is a danger of electric shock. The current street light centralized control system cannot locate and protect the leakage circuit lights at all.

Contents of the invention

The purpose of the utility model is to provide a single-lamp device that solves the disadvantages of centralized control of current street lamps in view of the deficiencies of the prior art.

The utility model comprises a single-chip microcomputer, a leakage detection module, a power carrier communication module, a four-way switch module, a wireless communication module, a voltage detection module, a current transformer and an inductance. One end of the leakage detection module, the power carrier communication module and the inductor is respectively connected to the live wire of the power supply, and the other end of the leakage detection module and the power carrier communication module is connected to the neutral wire of the power supply, and the neutral wire of the power supply is connected to one end of the street lamp through the current transformer. One end of the four-way switch module is connected to the other end of the inductor, the other end of the four-way switch module is connected to one end of the voltage detection module, and the other end of the voltage detection module is connected to the other end of the street lamp. The leakage detection module, the power carrier communication module, the four-way switch module, the wireless communication module, the voltage detection module, and the current transformer are all connected to the signal of the single-chip computer.

The single lamp monitoring equipment converts the measured street lamp information into a digital signal, which is converted into a special power signal by the power carrier transmission module, and transmitted to the monitoring host through the power line, and the monitoring host converts the power signal into a digital signal through the power carrier receiving module. Then it is transmitted to the computer in the remote monitoring room through GPRS to realize communication.

The leakage detection module is realized by detecting whether the current of the zero wire and the live wire flowing through the lamp head is balanced. When the difference between the current flowing through the live wire and the neutral wire is greater than 15mA (the upper limit of the human body's safety current), that is, when the leakage current is greater than 15mA, the microcontroller will detect it and disconnect the output relay to cut off the output line to protect the safety of personnel.

The wireless communication module is composed of a wireless receiving module and a wireless sending module. The maintenance personnel can hold the handheld device next to the street lamp to be repaired on site, and control each street lamp at will through wireless, which is convenient for maintenance.

The utility model can realize positioning monitoring on specific light poles, so that the street light control is more humanized and scientific.

Description of drawings

Fig. 1 is a system block diagram of the present invention.

Detailed ways

As shown in Figure 1, the street lamp single lamp monitor 1 (within the dotted line frame) includes a single chip microcomputer 7, a leakage detection module 10, a power carrier communication module 9, a four-way switch module 3, a wireless communication module 8, a voltage detection module 4, a current mutual inductance device 6 and inductor 2. One end of the leakage detection module 10, the power carrier communication module 9 and the inductor 2 is respectively connected to the live wire of the power supply, the other end of the leakage detection module 10 and the power carrier communication module 9 is connected to the neutral wire of the power supply, and the neutral wire of the power supply is connected through the current transformer 6 Connect with one end of street lamp 5. One end of the four-way switch module 3 is connected to the other end of the inductor 2 , the other end of the four-way switch module 3 is connected to one end of the voltage detection module 4 , and the other end of the voltage detection module 4 is connected to the other end of the street lamp 5 . The leakage detection module 10 , the power carrier communication module 9 , the four-way switch module 3 , the wireless communication module 8 , the voltage detection module 4 , and the current transformer 6 are all signally connected to the single chip microcomputer 7 .

Claims (1)

1, street lamp single lamp monitoring device comprises single-chip microcomputer, detection of electrical leakage module, power carrier communication module, four-way switch module, wireless communication module, voltage detection module, current transformer and inductance, it is characterized in that: an end of detection of electrical leakage module, power carrier communication module and inductance is connected with power firestreak respectively, the other end of detection of electrical leakage module and power carrier communication module is connected with zero-power line, and the zero-power line connection is passed current transformer and is connected with an end of street lamp; One end of four-way switch module is connected with the other end of inductance, and the other end of four-way switch module is connected with an end of voltage detection module, and the other end of voltage detection module is connected with the other end of street lamp; Detection of electrical leakage module, power carrier communication module, four-way switch module, wireless communication module, voltage detection module, current transformer all are connected with the single-chip microcomputer signal.

Images