CN203352284U - 10 kV pole-mounted breaker open-close position remote display device - Google Patents

Abstract

The utility model relates to the technical field of electric power monitoring systems, and discloses a remote display device for closing and closing positions of a 10kV pole-mounted circuit breaker, comprising: a magnetic control switch for a pole-mounted circuit breaker, a radio transmitter, a radio receiving controller, and a circuit breaker for closing and dividing positions Remote display device, optical fiber communication network, distribution network automation background microcomputer, the magnetic control switch of the pole-mounted circuit breaker set on the 10kV pole is wirelessly connected with the radio receiving controller through the radio transmitter, and the radio receiving controller communicates with the circuit breaker through the communication management unit The separation and closing display is connected, and the communication management unit is connected with the distribution network automation background microcomputer of the county through the optical fiber communication network; the utility model can quickly and remotely display the specific position of the closing and closing position of the 10kV column circuit breaker on the accident line, and the processing time is fast, improving reliability of power supply. It has a wide range of applications, no need to set up dedicated communication lines, one-time investment, and no network fees.

Description

10kV pole-mounted circuit breaker closing and closing position remote display device

technical field

The utility model relates to the technical field of electric power monitoring systems, in particular to a remote display device for closing and closing positions of a 10kV pole-mounted circuit breaker. the

Background technique

At present, my country's 6-10kV power distribution lines are particularly important at the power supply end, and the power supply lines are generally around 15KM. In addition to dedicated users, a 10kV line needs to carry several to dozens of distribution transformers. In order to prevent the line from being long and carrying a large load, most of the 10kV lines are installed on poles at one-half or one-third of the 10kV line. Circuit breakers, some need to install more than one. In order to improve the reliability of power supply and realize the power supply of the 10kV line hand-in-hand ring network, the city network has installed section circuit breakers on the line. An existing distribution line has many branches, and pole-mounted circuit breakers are installed on the branch lines. Due to the popularization and application of circuit breakers on poles, the tripping information of circuit breakers depends on erecting optical fibers, using SIM cards, sending text messages, and other methods. The cost is high, the amount of maintenance is large, and the use cannot be popularized. Once the circuit breaker on the pole trips or skips the trip, it can only be reported by the user. After driving to the site for inspection, arrange personnel to check and deal with it. Because the circuit breaker trip information feedback method is backward, it takes a long time to deal with line accidents, affecting users. power supply reliability. the

Contents of the invention

In order to grasp the tripping information of the 10kV pole-mounted circuit breaker in time, the line management personnel can quickly go to the site to find and isolate faults, quickly restore power transmission, improve the effective judgment basis, and reduce the difficulty and labor intensity of line staff. The utility model provides a 10kV pole-mounted circuit breaker close/distance remote display device, especially a pole-mounted circuit breaker that can be installed in a 10kV distribution network line. When the line is short-circuited, the remote display can be realized through radio technology. the

In order to achieve the above-mentioned purpose of the invention, the utility model adopts the following technical solutions:

A 10kV pole-mounted circuit breaker closing and splitting remote display device, including: a pole-mounted circuit breaker magnetic switch, a radio transmitter, a radio receiving controller, a circuit breaker closing and splitting remote display device, an optical fiber communication network, and a distribution network automation background computer , the auxiliary switch on the 10kV column or the magnetic control switch of the circuit breaker on the column set on the 10kV column is wirelessly connected to the radio receiving controller through the radio transmitter, and the output terminal of the radio receiving controller is connected to the circuit breaker opening and closing display, and the radio receiving The output end of the controller is connected with the distribution network automation background microcomputer of the county through the optical fiber communication network; wherein, the battery E of the radio transmitter is a solar power source.

A 10kV pole-mounted circuit breaker closing and closing remote display device, the circuit breaker opening and closing display is composed of several dividing line sound and light alarms, and each dividing line sound and light alarm is triggered by a thyristor and a dividing line The sound and light alarm circuit is electrically connected to form, the sound alarm circuit of the positional sound and light alarm circuit is composed of integrated block IC3 connected with the speaker through the triode, and the sound alarm circuit of the positional sound and light alarm circuit is composed of light-emitting diodes LED. the

A 10kV pole-mounted circuit breaker closing and splitting remote display device. The optical fiber communication network is composed of a communication management unit, an optical transceiver a connected to an optical transceiver b, and an optical fiber communication management unit through an optical fiber line. the

Due to the above method, the utility model has the following advantages:

A 10kV post-mounted circuit breaker closing and opening remote display device, with a wide application range of 6-10kv outdoor overhead lines, due to the use of wireless transmission signals, it is less restricted by the terrain, and there is no need to set up special communication lines, and the radio transmission collects the position signal of the circuit breaker Simple, the transmission speed is 2-5 seconds fast, the power supply uses solar cells, a single bypass type charge and discharge controller is used, the built-in battery and the battery are automatically charged, and it is equipped with charging protection, the standby current of the radio transmitter is small, a Within a month, the solar battery can still work normally, a one-time investment, using wireless transmission and local area network, and no network fee will be generated. The invention can quickly and remotely display the specific position of closing and closing of the circuit breaker on the 10KV pole of the accident line, has fast processing time and improves the reliability of power supply.

Description of drawings

Figure 1 is a block diagram of a remote display device for closing and closing positions of a 10kV pole-mounted circuit breaker;

Fig. 2 is the circuit diagram of the long-distance radio transmitter of subdivision;

Fig. 3 is a circuit diagram of the radio receiving controller of the remote display device.

Specific implementation method

As shown in Figures 1, 2, and 3, a 10kV pole-mounted circuit breaker closing and closing remote display device includes: a pole-mounted circuit breaker magnetic switch, a radio transmitter, a radio receiving controller, and a circuit breaker closing and closing remote display device, optical fiber communication network, distribution network automation background microcomputer, the auxiliary switch on the 10kV column or the magnetic control switch of the circuit breaker on the 10kV column is wirelessly connected to the radio receiving controller through the radio transmitter, and the output terminal of the radio receiving controller It is connected with the switch display of the circuit breaker, and the output terminal of the radio receiving controller is connected with the distribution network automation background microcomputer of the county through the optical fiber communication network; wherein, the battery E of the radio transmitter is a solar power source.

The optical fiber communication network is composed of a communication management unit, an optical transceiver a connected to an optical transceiver b, and an optical fiber communication management unit through an optical fiber line. the

The remote display method of closing and closing position of 10KV pole-mounted circuit breaker is to install a magnetic switch on the pole-mounted circuit breaker’s closing and closing position pointer for remote display. The steps are as follows: 

A magnetic control switch is installed at the sub-position of the circuit breaker on each column. When the circuit breaker on each column opens and closes, the permanent magnet installed on the opening and closing action pointer moves to the sub-action display signal magnet installed at the sub-action position. The reed switch of the control switch, the reed switch transmits the opening and closing action signal of the circuit breaker on the column through the wireless communication radio transmitter integrated block VD5026

The code emits a coded pulse signal, which is sent to the radio receiving controller in the duty room through wireless communication. After being decoded and paired by the integrated block VD5027 of the radio receiving controller, the output of the radio receiving controller will receive some actions The signal passes through the acousto-optic alarm of the dividing line corresponding to the remote display device of the circuit breaker to display the audible and visual alarm of the dividing action signal of the circuit breaker on each column; The alarm is composed of an audible and visual alarm for each subdivision line, which is composed of a triggering silicon controlled rectifier and a subdivided audible and visual alarm circuit. The sound alarm circuit of the minute sound and light alarm circuit is composed of light-emitting diodes (LEDs).

Several branch action signals from the output of the radio receiver controller are transmitted to the county and district distribution network automation background microcomputer through the optical fiber communication network, so as to achieve the purpose of remote display of the closing and closing positions of the 10kV pole-mounted circuit breaker and realize the distribution network upgrade. the

The magnetic control switch is installed on the opening and closing pointer of the circuit breaker on the column, or replaced with an auxiliary switch for opening and closing of the circuit breaker on the column for remote display. The steps are as follows: When the opening and closing action of each column circuit breaker is When the position is divided, at the same time, the auxiliary switch action of the circuit breaker on the column provides the divided action signal, and the radio transmitter code through the wireless communication emits a coded pulse signal, and the pulse signal is transmitted to the radio receiving controller through the wireless communication After being decoded and paired by the radio receiving controller, several sub-action signals at the output end of the radio receiving controller are sent to the remote display device of the circuit breaker to display the sub-action signals; Transmission to county and district distribution network automation background microcomputer, so as to achieve the purpose of remote display of closing and opening positions of 10kV pole-mounted circuit breaker, and realize distribution network upgrade. the

When in use, a pair of normally open contacts are drawn from the auxiliary switch of the circuit breaker on the column and connected to the radio transmitter. The antenna uses an outdoor pull rod type. On the pole tower, the solar panel is fixed with a bracket to adjust the direction. The charging equipment and the battery are installed in the radio transmitter. The antenna of the radio transmitter is relatively parallel to the radio receiving antenna. Ensure the effective transmission of signals. the

The radio transmitter needs to be coded and paired with the radio receiving controller before installation, and then installed after passing the debugging; the radio receiving controller can receive signals from multiple radio transmitters at the same time, and the telescopic antenna is used according to the geographical location and good location during installation. Poor reception The signal is weak, use an external antenna to ensure the signal reception effect. In the present invention, a complete pole-mounted circuit breaker close-off position remote display device is formed by a radio transmitter, a radio receiver, a communication management unit, a microcomputer, and a UPS power supply. the

Claims (3)

1. A 10kV pole-mounted circuit breaker closing and splitting remote display device, characterized in that it includes: a pole-mounted circuit breaker magnetic switch, a radio transmitter, a radio receiving controller, a circuit breaker closing and splitting remote display device, and an optical fiber communication network 1. Distribution network automation background microcomputer, the auxiliary switch on the 10kV column or the magnetic control switch of the circuit breaker on the 10kV column is wirelessly connected to the radio receiving controller through the radio transmitter, and the output terminal of the radio receiving controller is separated from the circuit breaker The output end of the radio receiving controller is connected with the distribution network automation background microcomputer of the county through the optical fiber communication network; wherein, the battery E of the radio transmitter is a solar power source. 2. A 10kV pole-mounted circuit breaker closing and dividing remote display device according to claim 1, characterized in that: the circuit breaker closing and closing display is composed of several dividing line sound and light alarms, each dividing The line sound and light alarm is composed of a triggering silicon controlled rectifier and a sound and light alarm circuit with a sound and light alarm circuit. The alarm circuit is composed of light-emitting diodes (LEDs). 3. A 10kV pole-mounted circuit breaker close-point remote display device according to claim 1, characterized in that: the optical fiber communication network is connected by the communication management unit, the optical terminal a, the optical terminal b, and the optical fiber communication management unit through optical fiber lines composition.

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