CN203326725U - Feed line automation terminal having timely monitoring function - Google Patents

Abstract

The utility model relates to a feeder automation terminal with a timely monitoring function, which comprises a housing, in which a core processor, a battery charging module, a capacitor charging module, and charging and discharging capacitors are installed, and the battery charging module respectively charges the capacitor charging module and the core processor for power supply, the capacitor charging module is connected with the charging and discharging capacitors, a permanent magnet circuit breaker is also installed in the housing, the core processor is connected with the permanent magnet circuit breaker through a circuit breaker controller, and the circuit breaker controller passes through An undervoltage relay is connected with the capacitor charging module. The circuit breaker controller of the utility model intelligently manages the power supply of the charging and discharging capacitor, monitors various states of the permanent magnet circuit breaker, judges and instructs various states, and simultaneously monitors the voltage of the capacitor in real time, by adjusting the voltage threshold , to avoid the failure of opening and closing and damage to the circuit breaker due to the low operating voltage of the capacitor, which greatly improves the reliability and adaptability of the operation.

Description

A Feeder Automatic Terminal with Timely Monitoring Function

technical field

The utility model belongs to electric power monitoring equipment, in particular to a feeder automatic terminal with timely monitoring function. the

Background technique

As the power industry and the majority of end users have higher and higher performance requirements for switchgear, compared with the traditional spring mechanism, there are many parts, complex manufacturing process, and unstable operation, which seriously affect the performance and reliability of the circuit breaker. . At present, 6-35KV series permanent magnet mechanism vacuum circuit breakers have gradually begun to be widely used as medium voltage circuit breakers. Therefore, the feeder automatic monitoring terminal (FTU) with built-in control permanent magnet circuit breaker has gradually been recognized by customers. However, this kind of FTU power supply mode is single, and there is no continuous monitoring of the timely state of the circuit breaker, and the operation of the circuit breaker may not be in place during the remote control process. the

Contents of the invention

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a feeder automation terminal with a timely monitoring function. The terminal is used for power load monitoring and power fault capture, and realizes rapid fault isolation and recovery of feeder lines. the

The purpose of this utility model is achieved by the following technical solutions:

A feeder automation terminal with a timely monitoring function, comprising a housing in which a core processor, a battery charging module, a capacitor charging module, and charging and discharging capacitors are installed, and the battery charging module respectively charges the capacitor charging module and the core processor For power supply, the capacitor charging module is connected to the charging and discharging capacitors, and a permanent magnet circuit breaker is installed in the housing. The core processor is connected to the permanent magnet circuit breaker through a circuit breaker controller, and the circuit breaker controller is connected through an undervoltage relay Connect with the capacitor charging module. the

Moreover, the housing is a stainless steel closed box. the

Moreover, the core processor is connected with the main station server through CT, PT sampling module and communication module. the

Moreover, the battery charging module is externally connected to a PT power supply or a solar photovoltaic device to obtain power. the

Moreover, the core processor performs power management on the capacitor charging module. the

Moreover, the capacitor charging module is connected to the charging and discharging capacitors, the charging and discharging capacitors are connected to the opening and closing control module, and the opening and closing control module is connected to the core processor. the

Moreover, a display and a circuit breaker power indicator are installed on the housing, the display is connected to the core processor, and the circuit breaker power indicator is connected to the permanent magnet circuit breaker. the

Advantage and positive effect of the present invention are:

In the utility model, the permanent magnet circuit breaker controller intelligently manages the power supply of the charging and discharging capacitor, monitors various states of the permanent magnet circuit breaker, and judges and indicates various states. If the state of the circuit breaker is abnormal, it will automatically lock and close. gate operation. In particular, the real-time monitoring of the voltage of the capacitor is carried out. By adjusting the voltage threshold, various types of permanent magnet circuit breakers can be matched to avoid the failure of closing and opening and the damage of the circuit breaker due to the low operating voltage of the capacitor. Greatly improved the reliability and adaptability of the operation. All devices are reasonably arranged in a stainless steel box with a high protection level, and the connection with the primary equipment and other equipment is realized through the aviation plug, and the construction is extremely convenient and fast. the

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the connection block diagram of control circuit in the utility model;

Fig. 3 is a connection block diagram of the power supply part in the utility model. the

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and the embodiments. The following embodiments are illustrative, not restrictive, and the protection scope of the present invention cannot be limited by the following embodiments. the

A feeder automation terminal with a timely monitoring function, including a housing 1, which is a stainless steel closed box, in which a core processor, a battery charging module, a capacitor charging module, and a charging and discharging capacitor are installed, wherein The core processor performs remote control and remote signaling operations with the main station server (not shown) through the CT, PT sampling module and communication module. The capacitor charging module is connected to an external PT power supply or solar photovoltaic equipment to supply power to the battery charging module. While supplying power to the capacitor charging module and the core processor, the core processor performs intelligent power management on the capacitor charging module. the

The capacitor charging module is connected to the charging and discharging capacitors, thereby realizing the current transmission between the two. The charging and discharging capacitors are connected to the opening and closing control module, and the opening and closing control module is connected to the core processor to obtain the opening and closing control module. status information. the

The cabinet is also equipped with a permanent magnet circuit breaker, and the core processor is connected with the permanent magnet circuit breaker through a circuit breaker controller, so that the permanent magnet circuit breaker can be switched on and off according to instructions. the

The innovation point of the present utility model is:

The above-mentioned circuit breaker controller is connected to the capacitor charging module through an undervoltage relay. The circuit breaker controller is connected to the capacitor charging module. The permanent magnet circuit breaker controller performs rapid remote control of the circuit breaker according to the closing and opening instructions of the core unit. . At the same time, the permanent magnet circuit breaker controller intelligently manages the power supply of the charging and discharging capacitors, monitors various states of the permanent magnet circuit breaker, and judges and indicates various states. If the state of the circuit breaker is abnormal, it will automatically block the closing and opening operation. In particular, the real-time monitoring of the voltage of the capacitor is carried out. By adjusting the voltage threshold, various types of permanent magnet circuit breakers can be matched to avoid the failure of closing and opening and the damage of the circuit breaker due to the low operating voltage of the capacitor. Greatly improved the reliability and adaptability of the operation. All devices are reasonably arranged in a stainless steel box with a high protection level, and the connection with the primary equipment and other equipment is realized through the aviation plug, and the construction is extremely convenient and fast. the

A display 2 and a circuit breaker power indicator 3 are installed on the casing, the display is connected to the core processor, and the circuit breaker power indicator is connected to the permanent magnet circuit breaker. the

The feeder automation terminal realizes the connection with the primary equipment and other equipment through the aviation plug 4, and the construction is extremely convenient and fast. the

Claims (7)

1. A feeder automation terminal with a timely monitoring function, comprising a housing in which a core processor, a battery charging module, a capacitor charging module, and charging and discharging capacitors are installed, and the battery charging module respectively charges the capacitor charging module and the core The processor supplies power, and the capacitor charging module is connected to the charging and discharging capacitors. It is characterized in that: a permanent magnet circuit breaker is also installed in the housing, and the core processor is connected to the permanent magnet circuit breaker through a circuit breaker controller. The controller controller is connected with the capacitor charging module through an undervoltage relay. 2. The feeder automation terminal with timely monitoring function according to claim 1, characterized in that: the housing is a stainless steel closed box. 3. The feeder automation terminal with timely monitoring function according to claim 1, characterized in that: said core processor is connected to the main station server through CT, PT sampling module and communication module. 4. The feeder automation terminal with timely monitoring function according to claim 1, characterized in that: the battery charging module is externally connected to a PT power supply or a solar photovoltaic device to obtain power. 5. The feeder automation terminal with timely monitoring function according to claim 1, characterized in that: the core processor performs power management on the capacitor charging module. 6. The feeder automation terminal with timely monitoring function according to claim 1, characterized in that: the capacitor charging module is connected to the charging and discharging capacitors, and the charging and discharging capacitors are connected to the opening and closing control module, and the opening and closing control The modules are connected to the core processor. 7. The feeder automation terminal with timely monitoring function according to claim 1, characterized in that: a display and a circuit breaker power indicator are installed on the housing, the display is connected to the core processor, and the circuit breaker power indicator is connected to the core processor. Permanent magnet circuit breaker connection. the

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