CN207183848U - It is a kind of based on state it is controllable and actively maintenance split-phase AC circuit breaker switch cubicle - Google Patents

Abstract

The utility model discloses a phase-separated AC circuit breaker switchgear based on state controllability and active maintenance, which comprises a main body box of the switchgear and an electronic display screen. The upper end of the contact of the phase-separated AC circuit breaker is provided with an angular displacement sensor. And one side of the angular displacement sensor is provided with a thermistor, and one side of the short message sending module is provided with an alarm device. A state-controllable and active maintenance-based split-phase AC circuit breaker switch cabinet described in the utility model is provided with a thermistor, an angular displacement sensor and a No. 1 temperature and humidity sensor. By setting the thermistor and the angular displacement sensor, Monitoring the opening and closing process of the split-phase circuit breaker and accurately sensing the position and temperature changes of the contacts, so that the routine inspection of the switchgear can be converted into state controllable, and the passive periodic maintenance can be converted into active maintenance according to the situation after the problem is found. , saving a lot of manpower and material resources, applicable to different working conditions, and bringing better prospects for use.

Description

A split-phase AC circuit breaker switchgear based on state controllable and active maintenance

technical field

The utility model relates to the field of high-voltage substations, in particular to a phase-separated AC circuit breaker switchgear based on state controllability and active maintenance.

Background technique

At present, more and more switchgears are used in substations, especially after experiencing the peak of power grid construction in the past ten years, many switchgears have different problems, such as circuit breaker contacts, current transformers and other equipment inside the switchgear Severe heat generation leads to severe insulation aging of components such as insulators and bushings inside the switchgear. Especially in summer, pollution flashover accidents often occur. However, when patrolling the switchgear, when the switchgear is not powered off, they can only observe in the observation window, but cannot judge whether the switchgear needs to be overhauled.

The existing split-phase AC circuit breaker switchgear has certain disadvantages in use. It cannot accurately sense the position of the contact, cannot accurately sense the temperature change of the contact, and cannot self-repair well. Faults, and the inability to send alarms and SMS notifications to testing personnel has brought a certain impact during use. For this reason, we propose a phase-separated AC circuit breaker switchgear based on state controllable and active maintenance.

Utility model content

The main purpose of the utility model is to provide a phase-separated AC circuit breaker switchgear based on state control and active maintenance, which can effectively solve the problems in the background technology.

In order to achieve the above object, the technical scheme that the utility model takes is:

A split-phase AC circuit breaker switchgear based on state controllability and active maintenance, including a switch cabinet main box and an electronic display screen, the inside of the switch cabinet main box is provided with a phase-separated circuit breaker, and the phase-separated circuit breaker The inner surface is fixed with a phase-separated AC circuit breaker contact, the upper end of the phase-separated AC circuit breaker contact is provided with an angular displacement sensor, and one side of the angular displacement sensor is provided with a thermistor, and the phase-separated circuit breaker There is a relay instrument room on one side, and a No. 1 temperature and humidity sensor is fixedly installed on the inner surface of the relay instrument room. A grounded metal partition is provided under the relay instrument room, and a ventilation hole is provided inside the grounded metal partition. A cable room is provided below the ventilation hole, a No. 2 temperature and humidity sensor is provided on the inner surface of the cable room, a main bus room is provided on one side of the cable room, and a No. Humidity sensor, above the No. 3 temperature and humidity sensor is provided with a connecting wire, and one end of the connecting wire is provided with an auxiliary control integration device, the auxiliary control integration device is fixedly connected to the electronic display screen, and the phase separation circuit breaker A hot air blower is arranged above the hot air blower, and a temperature-regulating dehumidifier is arranged on one side of the hot air blower. A data collector is arranged inside the auxiliary control integrated device, and a controller is arranged on one side of the data collector. A short message sending module is arranged under the device, and an alarm device is arranged on one side of the short message sending module.

Preferably, the phase-splitting circuit breaker is fixedly connected through the contacts of the phase-splitting AC circuit breaker and the angular displacement sensor.

Preferably, the No. 1 temperature and humidity sensor is fixedly connected to the connecting wire through the relay instrument room.

Preferably, the hot air blower is fixedly connected to the main box of the switchgear and the integrated auxiliary control device.

Preferably, the connecting wire is fixedly connected to the electronic display screen through the auxiliary control integration device.

Preferably, the ventilation holes are fixedly connected to the main box of the switch cabinet through a grounded metal partition, and the number of ventilation holes is two groups.

Compared with the prior art, the utility model has the following beneficial effects: the new railway traffic detection device, by setting a high-precision thermistor and an angular displacement sensor, monitors the opening and closing process of the phase-splitting circuit breaker while accurately sensing the contact The relevant data is transmitted to the auxiliary control integrated device in real time through wireless digital transmission technology. Once the contact position of the split-phase AC circuit breaker is detected to be abnormal, it will automatically return to its original position through the travel control function of the circuit breaker. Prepare for a new operation, and at the same time send an alarm signal and a text message that the problem has been solved to the substation monitoring system and inspection personnel. The substation monitoring system and inspection personnel send out alarm signals and short messages that the problem has been solved, and install No. 1 temperature and humidity sensors in different rooms of the switch cabinet to monitor the temperature and humidity in the switch cabinet in real time. Through the above functions, the routine from the switch cabinet The conversion from inspection to state controllable, from passive periodic maintenance to active maintenance after problems are found, saves a lot of manpower and material resources, and the effect of use is better than that of traditional methods.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a switchgear for split-phase AC circuit breakers based on state controllable and active maintenance of the present invention.

Fig. 2 is a partial view of a split-phase AC circuit breaker switchgear based on state controllable and active maintenance of the utility model.

In the figure: 1. Split-phase circuit breaker; 2. Contact of split-phase AC circuit breaker; 3. Angular displacement sensor; 4. Thermistor; 5. Relay instrument room; 6. No. 1 temperature and humidity sensor; 7. Grounding metal Partition; 8. Ventilation hole; 9. Cable room; 10. No. 2 temperature and humidity sensor; 11. Main busbar room; 12. No. 3 temperature and humidity sensor; 13. Connecting wire; 14. Electronic display screen; 15. Auxiliary control Integrated device; 16. Hot air blower; 17. Temperature-regulating dehumidifier; 18. Switch cabinet main box; 19. Data collector; 20. Controller; 21. SMS sending module; 22. Alarm device.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

As shown in Figure 1-2, a split-phase AC circuit breaker switchgear based on state controllable and active maintenance includes a switchgear main box 18 and an electronic display screen 14. The interior of the switchgear main box 18 is equipped with A phase circuit breaker 1, the inner surface of the phase separation circuit breaker 1 is fixed with a phase separation AC circuit breaker contact 2, the upper end of the phase separation AC circuit breaker contact 2 is provided with an angular displacement sensor 3, and the angular displacement sensor 3 is provided with a thermistor 4 on one side, and a relay instrument room 5 is provided on one side of the phase separation circuit breaker 1, and a No. temperature and humidity sensor 6 is fixedly installed on the inner surface of the relay instrument room 5, and the relay instrument room 5 is provided with a grounding metal partition 7, the interior of the grounding metal partition 7 is provided with a ventilation hole 8, and a cable chamber 9 is provided below the ventilation hole 8, and the inner surface of the cable chamber 9 is provided with two No. temperature and humidity sensor 10, one side of the cable room 9 is provided with a main busbar room 11, and the inner surface of the main busbar room 11 is provided with a No. 3 temperature and humidity sensor 12, and the top of the No. 3 temperature and humidity sensor 12 is provided with a connection wire 13, and one end of the connecting wire 13 is provided with an auxiliary control integration device 15, and the auxiliary control integration device 15 is fixedly connected with the electronic display screen 14, and a hot air blower 16 is arranged above the phase-splitting circuit breaker 1, and One side of the hot air blower 16 is provided with a temperature-regulating dehumidifier 17, and the inside of the auxiliary control integrated device 15 is provided with a data collector 19, and one side of the data collector 19 is provided with a controller 20, and the controller 20 A short message sending module 21 is arranged on the bottom of the short message sending module 21, and an alarm device 22 is arranged on one side of the short message sending module 21.

Wherein, the phase-splitting circuit breaker 1 is fixedly connected through the contact 2 of the phase-separating AC circuit breaker and the angular displacement sensor 3 .

Wherein, the No. 1 temperature and humidity sensor 6 is fixedly connected with the connecting wire 13 through the relay instrument room 5 .

Wherein, the connecting wire 13 is fixedly connected to the electronic display screen 14 through the auxiliary control integration device 15 .

Wherein, the connecting wire 13 is fixedly connected to the electronic display screen 14 through the auxiliary control integration device 15 .

Wherein, the ventilation holes 8 are fixedly connected to the main body box 18 of the switch cabinet through the grounded metal partition 7, and the number of the ventilation holes 8 is two groups.

It should be noted that the utility model is a split-phase AC circuit breaker switch cabinet based on state controllable and active maintenance. When in use, a high-precision thermistor 4 and an angular displacement sensor 3 are installed on the On the contact 2 of the circuit breaker, the temperature change of the contact is accurately sensed during the opening and closing process of the phase-splitting circuit breaker 1, and the relevant data is transmitted to the auxiliary control integrated device 15 in real time through wireless digital transmission technology. Once the system monitors the phase-splitting If the position of contact 2 of AC circuit breaker is abnormal, it will automatically return to its original position through the travel control function of contact 2 of the circuit breaker to prepare for the next re-operation. At the same time, it will send an alarm signal to the substation monitoring system and inspection personnel and the problem has been solved. When the system monitors the abnormal temperature rise of the contact 2 of the split-phase AC circuit breaker, it will automatically open the exhaust facility, and immediately send an alarm signal and a short message that the problem has been solved to the substation monitoring system and inspection personnel. The signal of the auxiliary node of the corresponding primary equipment in 18 is used to monitor the status of the primary equipment in the main body of the switch cabinet 18 in real time. Install No. 1 temperature and humidity sensor 6, No. 2 temperature and humidity sensor 10 and No. 3 temperature and humidity sensor 12 to monitor the temperature and humidity in the switch cabinet in real time. When the system detects the primary equipment status in the main body 18 of the switch cabinet according to the data from the data collector 19 In case of abnormality or abnormal temperature and humidity, the controller 20 immediately starts the hot air blower 16 or the temperature-regulating dehumidifier 17 for dehumidification and temperature regulation, and at the same time, the alarm device 22 and the short message sending module 21 in the auxiliary control integration device 15 are respectively used for monitoring and control of the substation. It is more practical for the system and the inspection personnel to send out alarm signals and short messages that the problem has been solved. A state-controllable and active maintenance-based split-phase AC circuit breaker switch cabinet described in the utility model is provided with a thermistor 4, an angular displacement sensor 3 and a No. 1 temperature and humidity sensor 6. By setting the thermistor 4 and The angular displacement sensor 3 monitors the position and temperature changes of the contacts accurately during the opening and closing process of the phase-splitting circuit breaker, so that the routine inspection of the switchgear can be converted into state controllable, and the conversion from passive periodic maintenance to problem discovery The final active maintenance according to the situation saves a lot of manpower and material resources, is applicable to different working conditions, and brings better prospects for use.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A split-phase AC circuit breaker switchgear based on state controllable and active maintenance, including a switchgear main box (18) and an electronic display screen (14), characterized in that: the switchgear main box (18) There is a split-phase circuit breaker (1) inside, and the inner surface of the split-phase circuit breaker (1) is fixedly installed with a split-phase AC circuit breaker contact (2), and the contact (2) of the split-phase AC circuit breaker (2) An angular displacement sensor (3) is provided at the upper end, and a thermistor (4) is provided on one side of the angular displacement sensor (3), and a relay instrument room (5) is provided on one side of the split-phase circuit breaker (1), And there is a No. 1 temperature and humidity sensor (6) fixedly installed on the inner surface of the relay instrument room (5), and a grounded metal partition (7) is provided under the relay instrument room (5), and the grounded metal partition (7) There is a ventilation hole (8) inside the ventilation hole (8), and a cable chamber (9) is arranged below the ventilation hole (8), and a No. 2 temperature and humidity sensor (10) is arranged on the inner surface of the cable chamber (9). One side of the cable room (9) is provided with a main busbar room (11), and the inner surface of the main busbar room (11) is provided with a No. 3 temperature and humidity sensor (12). There is a connecting wire (13), and one end of the connecting wire (13) is provided with an auxiliary control integration device (15), the auxiliary control integration device (15) is fixedly connected to the electronic display screen (14), and the phase separation A hot air blower (16) is provided above the circuit breaker (1), and a temperature-regulating dehumidifier (17) is provided on one side of the hot air blower (16), and a data acquisition device (15) is provided inside the auxiliary control integrated device (15). device (19), and a controller (20) is provided on one side of the data collector (19), and a short message sending module (21) is provided under the controller (20), and one part of the short message sending module (21) The side is provided with an alarm device (22). 2. A split-phase AC circuit breaker switchgear based on state controllable and active maintenance according to claim 1, characterized in that: said phase-separated circuit breaker (1) passes through the phase-separated AC circuit breaker contacts (2 ) and the angular displacement sensor (3) are fixedly connected. 3. A split-phase AC circuit breaker switchgear based on state controllable and active maintenance according to claim 1, characterized in that: the No. 1 temperature and humidity sensor (6) is connected to the relay instrument room (5) Wire (13) is fixedly connected. 4. A split-phase AC circuit breaker switchgear based on state controllable and active maintenance according to claim 1, characterized in that: the hot air blower (16) is integrated with the auxiliary control through the main box (18) of the switchgear Chemical device (15) is fixedly connected. 5. A split-phase AC circuit breaker switchgear based on state controllable and active maintenance according to claim 1, characterized in that: the connecting wire (13) passes through the auxiliary control integrated device (15) and electronic display Screen (14) is fixedly connected. 6. A split-phase AC circuit breaker switchgear based on state controllable and active maintenance according to claim 1, characterized in that: the ventilation hole (8) passes through the grounded metal partition (7) and the main body of the switchgear The box (18) is fixedly connected, and the number of ventilation holes (8) is two groups.