CN206804794U - A kind of distribution line dead electricity alarm signal harvester - Google Patents

Abstract

The utility model discloses a power-off alarm signal acquisition device for distribution network lines, which comprises an MCU, a power supply module, a power-off signal acquisition module and a wireless communication module interacting with the MCU, the output end of the power supply module and the power-off signal acquisition module The input end is connected with the power input end of the MCU; the utility model can actively send the operation status of each distribution network branch line to the dispatcher when the distribution network line loses power, supplement and improve the collection range of the distribution network automation system, and find the distribution network line in time faults and improve repair efficiency. The utility model can accurately judge that a wire tool in a certain place is broken, and send the location information to the client. The operation method of the utility model is simple, convenient, safe and reliable. The utility model has fewer operators and high work efficiency.

Description

A distribution network line power failure alarm signal acquisition device

【Technical field】

The utility model belongs to the technical field of maintenance equipment for overhead transmission lines, and relates to a power failure alarm signal acquisition device for distribution network lines.

【Background technique】

At present, the signal collection range of the distribution network automation system only covers FTU and TTU, but the operation status of a large number of branch lines connected by wire tools cannot be collected. In this situation, the dispatcher has no way of knowing whether the branch wire is disconnected or the line is live, and is in a state of blind adjustment; after the branch line fault causes the wire to fuse, a large number of low-voltage users lose power, the dispatcher cannot actively know, and can only wait passively Power-off users get reports through the repair call, and it is difficult to judge the relative location of the fault, and the repair efficiency is very low.

【Content of utility model】

The purpose of the utility model is to solve the above-mentioned problems in the prior art, and provide a device for collecting power-off alarm signals of distribution network lines, which can remotely send the specific location of power-off to the upper computer and the mobile phone client.

In order to achieve the above object, the utility model adopts the following technical solutions to achieve:

A distribution network line power failure alarm signal acquisition device, including MCU, a power module, and a power failure signal acquisition module and a wireless communication module interacting with the MCU, the output terminal of the power module, the input terminal of the power failure signal acquisition module and the MCU connected to the power input; where,

The power module obtains electric energy through the power-taking terminal, and supplies power for the whole device;

The power-off signal acquisition module is used to collect the power-off signal and send the power-off signal to the MCU;

The wireless communication module is used for data communication between the MCU, the host computer and the mobile terminal;

The MCU is used to process and calculate the data between the power supply module, the power failure signal acquisition module and the wireless communication module.

The further improvement of the utility model is:

The power module includes a full-wave rectification circuit, a charging management chip, and a battery pack; the power-taking terminal inputs power into the charging management chip through the full-wave rectification circuit, and the charging management chip is connected to the battery pack to supply power to the battery pack for charging.

The power-taking terminal is an open-type current induction coil.

The charging management chip adopts LS2811.

The power-off signal acquisition module includes an A/D sampling circuit, the input end of the A/D sampling circuit is connected with the output end of the power module; the output end of the A/D sampling circuit is connected with the signal input end of the MCU.

The wireless communication module includes a short-distance wireless transmission unit and a GPRS data transmission unit. The short-distance wireless transmission unit is used to transmit power-off information between phases A, B, and C. The GPRS data transmission unit is used to send power-off information to the host computer and mobile terminal.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model can actively send the running status of each distribution network branch line to the dispatcher when the distribution network line loses power, supplement and improve the collection range of the distribution network automation system, find the distribution network line failure in time, and improve the repair efficiency. The utility model can accurately judge that a wire tool in a certain place is broken, and send the location information to the client. The operation method of the utility model is simple, convenient, safe and reliable. The utility model has fewer operators and high work efficiency.

【Description of drawings】

Fig. 1 is the structural diagram of the integral circuit of the present utility model;

Fig. 2 is the circuit diagram of the utility model power supply module;

Fig. 3 is the circuit diagram of the power-off signal acquisition module of the present utility model;

Fig. 4 is the circuit diagram of the short distance wireless transmission unit of the present invention;

Fig. 5 is the circuit diagram of the utility model GPRS data transmission unit;

Fig. 6 is the circuit connection diagram of the utility model MCU;

【detailed description】

Below in conjunction with accompanying drawing, the utility model is described in further detail:

Referring to Fig. 1, the utility model distribution network line power failure alarm signal acquisition device includes an MCU and a power module interacting with the MCU, a power failure signal acquisition module and a wireless communication module; as shown in Fig. Open-type special current induction coil) will input the electric energy obtained through full-wave rectification to the lithium battery charging management chip LS2811, and the charging management chip will supply the electric energy to the lithium battery for charging, providing reliable electric energy for the work of the system.

As shown in FIG. 3 , the power-off signal acquisition module includes an A/D sampling circuit, and the A/D sampling circuit is connected to the back end of the power supply module, and is used to send the power-off determination information to the MCU.

As shown in Figures 4 and 5, the wireless communication module includes a short-range wireless transmission unit and a GPRS data transmission unit. The short distance is mainly used in the transmission of power failure information between A, B, and C phases. The GPRS data transmission unit is mainly used to send power failure information to the host computer and mobile terminal. Host computer and mobile terminal: used to receive fault information and save the records of fault information data.

As shown in Figure 6, the MCU is used for data processing and calculation among various parts such as power-off signal acquisition, wireless communication, and power supply.

Principle and working process of the utility model:

The utility model can collect and send the specific geographical location information to the power-off signal. The three phases A, B and C all collect the power-off signals of their respective lines. The electrical signal is transmitted to phase A through the short-distance communication module, and then transmitted from phase A to the dispatching center through GPRS; after the branch line of the distribution network loses power in an accident, it actively sends signals to the dispatching end to improve the speed and accuracy of dispatching fault location, and then Improve the efficiency of fault repair; during the maintenance operation of distribution network branch lines, assist in judging the opening and closing positions of branch line wire tools and knife switches, and solve the problem of blind adjustment of distribution network branch lines.

In the process of operation, first set the parameters of each module accurately, and then install each module on the special tool in turn, then use the threaded insulating rod to hold up the installed device, align it with the wire and force it up to make the hook fall off, Clamp the wire to take off the bracket, and the installation is successful.

The above content is only to illustrate the technical idea of the utility model, and cannot limit the protection scope of the utility model. Any changes made on the basis of the technical solution according to the technical idea proposed by the utility model all fall into the scope of the utility model. within the scope of protection of the claims.

Claims (6)

1. A distribution network line power-off alarm signal acquisition device is characterized by comprising an MCU, a power supply module, a power-off signal acquisition module and a wireless communication module, wherein the power-off signal acquisition module and the wireless communication module are mutually interacted with the MCU; wherein,

the power supply module obtains electric energy through the electricity taking end to supply power to the whole device;

the power-off signal acquisition module is used for acquiring a power-off signal and sending the power-off signal to the MCU;

the wireless communication module is used for data communication between the MCU and the upper computer and the mobile terminal;

the MCU is used for processing and operating data among the power supply module, the power-off signal acquisition module and the wireless communication module.

2. The distribution network line power failure alarm signal acquisition device of claim 1, wherein the power module comprises a full-wave rectification circuit, a charging management chip and a battery pack; the power taking end inputs electric energy into the charging management chip through the full-wave rectification circuit, and the charging management chip is connected with the battery pack and supplies the electric energy to the battery pack for charging.

3. The distribution network line power failure alarm signal acquisition device of claim 1 or 2, wherein the power acquisition end is an open current induction coil.

4. The distribution network line power failure alarm signal acquisition device of claim 1 or 2, wherein the charging management chip is LS 2811.

5. The distribution network line power failure alarm signal acquisition device of claim 1, wherein the power failure signal acquisition module comprises an A/D sampling circuit, and an input end of the A/D sampling circuit is connected with an output end of the power module; the output end of the A/D sampling circuit is connected with the signal input end of the MCU.

6. The distribution network line power failure alarm signal acquisition device of claim 1, wherein the wireless communication module comprises a short-range wireless transmission unit and a GPRS data transmission unit, the short-range wireless transmission unit is used for A, B, C inter-phase power failure information transmission, and the GPRS data transmission unit is used for sending the power failure information to an upper computer and a mobile terminal.