CN212031643U - System for monitoring and early warning of creepage of breaker insulator - Google Patents
System for monitoring and early warning of creepage of breaker insulator Download PDFInfo
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- CN212031643U CN212031643U CN202020413065.XU CN202020413065U CN212031643U CN 212031643 U CN212031643 U CN 212031643U CN 202020413065 U CN202020413065 U CN 202020413065U CN 212031643 U CN212031643 U CN 212031643U
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Abstract
The utility model discloses a system for monitoring and early warning the creepage of a breaker insulator, which comprises a supporting seat, a breaker, an insulator arranged on a conducting rod of the breaker, a voltage detection device, a drying device, a humidity sensor and a controller; the voltage detection device comprises a metal conductive ring and a voltage detector and is used for measuring the voltage value of the surface of the insulator; the drying device comprises a drying fan and a pipeline and is used for dehumidifying the insulator; the humidity sensor is arranged on the outer surface of the supporting seat and close to the insulator and is used for detecting the humidity of the environment where the insulator is located; the controller is connected with voltage detector, drying fan and humidity transducer electricity for through the creepage that survey humidity height leads to, start drying fan, in order to eliminate creepage phenomenon, avoid leading to the harm of insulator creepage because of the humidity, guarantee normal power consumption.
Description
Technical Field
The utility model relates to a technical field of protection circuit breaker insulator. More specifically, the utility model relates to a system for monitoring and early warning circuit breaker insulator creepage.
Background
A circuit breaker insulator is a device that is mounted on conductors connected to different potentials of a circuit breaker and is able to withstand the effects of voltage and mechanical stress. Insulator creepage refers to a charged area in which an insulating material around a conductor is polarized to cause the insulating material to present a charged phenomenon, and is caused by the fact that a discharge phenomenon is formed on the surface of the insulator in a humid weather due to dirt substances with conductive performance, such as dust, oil stains and the like, accumulated on the surface of a line insulator, so that electric leakage can be caused under general conditions, and insulation breakdown, flashover and even fire can be caused under severe conditions to cause severe consequences. Therefore, it is very important to monitor and prevent the breaker insulator to ensure the normal use of the insulator.
The name of the prior art is a high-voltage insulator creepage detection device, and the bulletin number is CN209342857U, and the real-time detection and insulator protection of the insulator creepage phenomenon are to monitor the insulator creepage phenomenon on the surface by monitoring the creepage voltage value on the insulator surface, and to perform voltage reduction treatment according to the monitoring creepage strength condition so as to protect the insulator and prolong the service life of the insulator. The prior art protects the insulator and avoids safety accidents caused by insulator creepage by reducing voltage to eliminate electric arcs. Although the detection device in the prior art can detect the creepage condition and the protection of the insulator, the voltage reduction affects the normal operation of equipment, and the normal operation of production is not facilitated. Thus, there is a need for improvements and enhancements in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve prior art and be unfavorable for the problem of normal production operation to circuit breaker insulator real-time detection and insulator protection.
In order to solve the technical problems mentioned above and realize the following advantages, the utility model provides a system for monitoring and early warning the creepage of a breaker insulator, which comprises a supporting seat, a breaker and an insulator, wherein the breaker is arranged at the middle position of the lower surface of the supporting seat, the breaker is fixedly connected with the supporting seat, the insulator is fixedly arranged at the middle position of the upper surface of the supporting seat, a conductive rod penetrates through the insulator, and the lower end of the conductive rod penetrates through the inside of the supporting seat to be connected with the breaker;
the voltage detection device comprises a metal conducting ring and a voltage detector, and is used for measuring the voltage value on the surface of the insulator, the inner wall of the metal conducting ring and the outer wall of the insulator are tightly and fittingly sleeved and fixed on the insulator and are close to the ground wire end, and the voltage detector is electrically connected with the metal conducting ring;
the drying device comprises a drying fan and a pipeline and is used for dehumidifying the insulator, an air outlet of the drying fan is communicated with the pipeline, and an air outlet of the pipeline is arranged right above the insulator;
the humidity sensor is arranged on the outer surface of the supporting seat and close to the insulator and is used for detecting the humidity of the environment where the insulator is located;
the controller is electrically connected with the voltage detector, the drying fan and the humidity sensor and is used for starting the drying fan when the measured value of the humidity sensor is greater than the humidity set value D and the voltage value measured by the voltage detector is greater than the voltage set value U, so that the measured value of the humidity sensor is smaller than the humidity set value D and the voltage value measured by the voltage detector is smaller than the voltage set value U, and then the drying fan is closed.
Preferably, still include the alarm, it sets up on the supporting seat, the alarm is connected with the controller electricity, and when humidity transducer's measured value is less than humidity set value D, and voltage value that voltage detector surveyed is greater than voltage set value U, start the alarm and send out the chimes of doom, the controller is through wireless or wired transmission simultaneously, sends humidity transducer present measured value and voltage detector present measured value to and alarm signal for management backstage and operation personnel.
Preferably, the device also comprises a first valve, a second valve, an infrared temperature sensor and a dry ice storage tank communicated with the pipeline;
the first valve is arranged on an air outlet of the drying fan and used for controlling the communication between the drying fan and the pipeline;
the second valve is arranged on the jet orifice of the dry ice storage tank and is used for controlling the communication between the dry ice storage tank and the pipeline
The infrared temperature sensor is used for detecting the temperature of the insulator;
the dry ice storage tank is used for cooling and extinguishing the insulator and the periphery of the insulator;
the first valve, the second valve and the infrared temperature sensor are respectively and electrically connected with the controller, when the measured value of the humidity sensor is smaller than a humidity set value D, the voltage value measured by the voltage detector is larger than a voltage set value U, and the measured value of the infrared temperature sensor is larger than a temperature set value C, the alarm is kept on to emit light and send alarm sound, and meanwhile, the controller sends the current measured value of the humidity sensor, the current measured value of the voltage detector and the current measured value of the infrared temperature sensor and alarm signals to a management background and an operator through wireless or wired transmission, the drying fan and the first valve are closed, and the second valve is opened; and when the measured value of the infrared temperature sensor is less than the temperature set value C, closing the second valve.
Preferably, the controller controls the circuit breaker to be opened when the time for which the measured value of the infrared temperature sensor is greater than the temperature set value C is maintained exceeds a set time T.
Preferably, the temperature set value C, the humidity set value D and the voltage set value U are set according to the insulator production safety parameter value.
Preferably, the duct outlet is flared.
Preferably, the infrared temperature sensor is arranged on the inner wall of the wall body or the inner wall of the cabinet body, and the detecting head is aligned to the insulator.
Preferably, the conductive metal ring is a conductive metal non-closed ring.
The utility model discloses at least, include following beneficial effect:
1. the utility model discloses a controller, voltage detector, humidity transducer and drying fan combine for when leading to the insulator creepage because of humid environment, can eliminate the insulator creepage phenomenon through drying fan to the insulator dehumidification, thereby realize the monitoring of insulator creepage phenomenon and the harm of prevention insulator creepage, avoid the incident to take place, and whole control and prevention process need not to step down the conducting rod, have guaranteed normal power consumption. The method specifically comprises the following steps: when the measured value of the humidity sensor of the system is greater than a humidity set value D and the voltage value measured by the voltage detector is greater than a voltage set value U, the controller starts the drying fan to dehumidify the insulator and the environment where the insulator is located and plays a certain role in dust removal. Therefore, the damage of insulator creepage caused by moisture can be avoided by monitoring, and normal power utilization is ensured.
2. The utility model discloses a combination of controller, voltage detector, humidity transducer, drying blower and alarm can be monitored not the insulator creepage that the humidity leads to, can send alarm sound and pilot lamp for the scene through the alarm to and send for management backstage and operation personnel, play the insulator creepage phenomenon that in time reports non-humid environment and influence, improve the security. The method specifically comprises the following steps: after the drying fan dehumidifies the insulator and the surrounding environment of the insulator, or the surrounding environment of the insulator is in a dry condition, the measured value of the humidity sensor is smaller than a humidity set value D, when the voltage value measured by the voltage detector is larger than a voltage set value U, the controller starts the alarm to emit light and give an alarm, meanwhile, the controller sends the current measured value of the humidity sensor and the current measured value of the voltage detector and an alarm signal to a management background and an operator through wireless or wired transmission, the insulator creepage phenomenon influenced by a non-humid environment can be timely notified, the environmental influence is eliminated, lines and insulators are quickly checked, and the overhauling speed and the safety are improved.
3. The utility model discloses a combination of controller, voltage detector, humidity transducer, drying blower, alarm, first valve, second valve, infrared ray temperature sensor and dry ice storage tank can further improve the security, when creepage or insulation breakdown that the insulator non-humidity leads to arouse the temperature to rise, can cool down and eliminate probably burning things which may cause a fire disaster through the dry ice, when the temperature lasts to keep higher temperature, the disconnection of circuit breaker can be controlled to the controller, improves the security of whole power supply line.
4. The utility model discloses a metal conducting ring is the electrically conductive non-closed ring of metal, can avoid the voltage on insulator surface to form the return circuit in the metal conducting ring, influences the detection.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of an implementation form of the system for monitoring and early warning the creepage of the insulator of the circuit breaker according to the present invention;
fig. 2 is a schematic structural view of another implementation form of the system for monitoring and early warning the creepage of the insulator of the circuit breaker according to the present invention;
fig. 3 is a schematic structural view of a metal conductive non-closed ring according to the present invention;
wherein, the circuit breaker 1; a support base 2; a humidity sensor 3; a metal conductive ring 4; an insulator 5; a pipeline air outlet 6; a duct 7; a drying fan 8; a first valve 9; a dry ice storage tank 10; a second valve 11; a controller 12; a voltage detector 13; an alarm 14; a metallic conductive non-closed loop 15; a non-enclosure portion 16.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.
Examples
Fig. 1 shows a specific implementation form of the present invention, a system for monitoring and early warning the creepage of a breaker insulator comprises a supporting seat 2, a breaker 1 and an insulator 5, wherein the breaker 1 is arranged at the middle position of the lower surface of the supporting seat 2, the breaker 1 is fixedly connected with the supporting seat 2, the insulator 5 is fixedly arranged at the middle position of the upper surface of the supporting seat 2, a conductive rod penetrates through the insulator 5, and the lower end of the conductive rod penetrates through the inside of the supporting seat to be connected with the breaker; the system of the utility model also comprises a voltage detection device, a drying device, a humidity sensor 3 and a controller 12;
the voltage detection device comprises a metal conducting ring 4 and a voltage detector 13, and is used for measuring the voltage value of the surface of the insulator 5, the inner wall of the metal conducting ring 4 and the outer wall of the insulator are tightly sleeved and fixed on the insulator in a close fit manner and are close to the end of a grounding wire, and the voltage detector 13 is electrically connected with the metal conducting ring 4;
the drying device comprises a drying fan 8 and a pipeline 7 and is used for dehumidifying the insulator 5, an air outlet of the drying fan 8 is communicated with the pipeline, and an air outlet 6 of the pipeline is arranged right above the insulator 5;
the humidity sensor 3 is arranged on the outer surface of the supporting seat and close to the insulator and is used for detecting the humidity of the environment where the insulator is located;
the controller 12 is electrically connected to the voltage detector 13, the drying fan 8 and the humidity sensor 3, and is configured to start the drying fan 8 when the measured value of the humidity sensor 3 is greater than the humidity set value D and the voltage value measured by the voltage detector 13 is greater than the voltage set value U, and to shut down the drying fan 8 when the measured value of the humidity sensor 3 is less than the humidity set value D and the voltage value measured by the voltage detector 13 is less than the voltage set value U.
The utility model discloses an implementation process does: when the measured value of the humidity sensor 3 of the system is greater than the humidity set value D and the voltage value measured by the voltage detector 13 is greater than the voltage set value U, the controller 12 starts the drying fan 8 to dehumidify the insulator 5 and the environment where the insulator is located and also plays a certain dust cleaning role, and after the drying fan 8 runs for a period of time, when the measured value of the humidity sensor 3 is less than the humidity set value D and the voltage value measured by the voltage detector 13 is less than the voltage set value U, the drying fan 8 is closed. Therefore, the damage of insulator creepage caused by moisture can be avoided by monitoring, and normal power utilization is ensured.
On the basis of the above embodiment, the portable humidity monitoring device further comprises an alarm 14 which is arranged on the supporting base 2, the alarm 14 is electrically connected with the controller 12, when the measured value of the humidity sensor 3 is smaller than the humidity set value D and the voltage value measured by the voltage detector 13 is larger than the voltage set value U, the alarm 14 is started to emit light and give an alarm, and meanwhile, the controller 12 sends the current measured value of the humidity sensor 3, the current measured value of the voltage detector 13 and an alarm signal to a management background and an operator through wireless or wired transmission.
The utility model discloses an implementation process does: after the drying fan 8 dehumidifies the insulator 5 and the surrounding environment thereof, or the surrounding environment of the insulator is in a dry condition, the measured value of the humidity sensor 3 is smaller than the humidity set value D, when the voltage value measured by the voltage detector 13 is larger than the voltage set value U, the controller 12 starts the alarm 14 to emit light and send alarm sound, meanwhile, the controller 12 sends the current measured value of the humidity sensor 3 and the current measured value of the voltage detector 13, and alarm signals to a management background and operating personnel through wireless or wired transmission, the insulator 5 creepage phenomenon influenced by the non-humid environment can be reported in time, the environmental influence is eliminated, the circuit and the insulator 5 are checked more quickly, and the overhauling speed and the safety are improved.
On the basis of the above embodiment, fig. 2 shows another specific implementation form of the present invention, which further includes a first valve 9, a second valve 11, an infrared temperature sensor (not shown in the figure) and a dry ice storage tank 10 communicated with the pipeline 7;
the first valve 9 is arranged on an air outlet of the drying fan 8 and used for controlling the communication between the drying fan 8 and the pipeline 7;
a second valve 11 is arranged at the jet of the dry ice storage tank 10 for controlling the communication of the dry ice storage tank 10 with the conduit 7
An infrared temperature sensor for detecting the temperature of the insulator 5;
a dry ice storage tank 10 for cooling and extinguishing the insulator 5 and its surroundings;
the first valve 9, the second valve 11 and the infrared temperature sensor are respectively electrically connected with the controller 12, when the measured value of the humidity sensor 3 is smaller than a humidity set value D, the voltage value measured by the voltage detector 13 is larger than a voltage set value U, and the measured value of the infrared temperature sensor is larger than a temperature set value C, the alarm 14 is kept to be started to emit light and give an alarm, and meanwhile, the controller 12 sends the current measured value of the humidity sensor 3, the current measured value of the voltage detector 13, the current measured value of the infrared temperature sensor and an alarm signal to a management background and an operator through wireless or wired transmission, the drying fan 8 and the first valve 9 are closed, the second valve 11 is opened, so that dry ice high-pressure gas is sprayed onto the insulator, and the insulator and the periphery of the insulator are; when the infrared temperature sensor measurement value is smaller than the temperature set value C, the second valve 11 is closed. Therefore, the safety can be further improved, and when the temperature is increased due to creepage or insulation breakdown caused by non-moisture of the insulator 5, the temperature can be reduced through the dry ice, and possible fire sources can be eliminated, so that the occurrence of accidents is reduced.
In addition to the above embodiments, when the time for which the measured value of the infrared temperature sensor is greater than the temperature set value C is kept exceeds the set time T, the controller 12 controls the circuit breaker 1 to be turned off, so that the safety of the entire power supply line can be improved.
On the basis of the above embodiment, the temperature set value C, the humidity set value D and the voltage set value U are set according to the insulator production safety parameter values.
On the basis of the above embodiment, the duct outlet 6 is in the shape of a horn.
On the basis of the above embodiment, the infrared temperature sensor is arranged on the inner wall of the wall body or the inner wall of the cabinet body, the detecting head is aligned to the insulator, and the conventional circuit breaker insulator is arranged in the indoor cabinet body.
On the basis of the above embodiment, as shown in fig. 3, the conductive metal ring is a conductive metal non-closed ring 15, which is a conductive metal ring with a non-closed portion 16 left thereon. Therefore, the voltage on the surface of the insulator can be prevented from forming a loop in the metal conductive ring to influence detection.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (8)
1. A system for monitoring and early warning the creepage of a breaker insulator comprises a supporting seat, a breaker and an insulator, wherein the breaker is arranged at the middle position of the lower surface of the supporting seat and is fixedly connected with the supporting seat;
the voltage detection device comprises a metal conducting ring and a voltage detector, and is used for measuring the voltage value on the surface of the insulator, the inner wall of the metal conducting ring and the outer wall of the insulator are tightly sleeved and fixed on the insulator in a fit manner and are close to the ground wire end, and the voltage detector is electrically connected with the metal conducting ring;
the drying device comprises a drying fan and a pipeline and is used for dehumidifying the insulator, an air outlet of the drying fan is communicated with the pipeline, and an air outlet of the pipeline is arranged right above the insulator;
the humidity sensor is arranged on the outer surface of the supporting seat and close to the insulator and is used for detecting the humidity of the environment where the insulator is located;
the controller is electrically connected with the voltage detector, the drying fan and the humidity sensor and is used for starting the drying fan when the measured value of the humidity sensor is greater than a humidity set value D and the voltage value measured by the voltage detector is greater than a voltage set value U, and closing the drying fan when the measured value of the humidity sensor is less than the humidity set value D and the voltage value measured by the voltage detector is less than the voltage set value U.
2. The system for monitoring and warning the creepage of insulator in breaker according to claim 1, further comprising an alarm installed on the support base, the alarm being electrically connected to the controller, and when the measured value of the moisture sensor is smaller than the moisture set value D and the voltage value measured by the voltage detector is larger than the voltage set value U, the alarm is activated to emit light and sound an alarm, and simultaneously the controller transmits the current measured value of the moisture sensor and the current measured value of the voltage detector, and an alarm signal to the management back office and the operator through wireless or wired transmission.
3. The system for monitoring and early warning of creepage of insulator for a circuit breaker according to claim 2, further comprising a first valve, a second valve, an infrared temperature sensor, and a dry ice storage tank in communication with the conduit;
the first valve is arranged on an air outlet of the drying fan and used for controlling the communication between the drying fan and the pipeline;
the second valve is arranged on the jet orifice of the dry ice storage tank and is used for controlling the communication between the dry ice storage tank and the pipeline
The infrared temperature sensor is used for detecting the temperature of the insulator;
the dry ice storage tank is used for cooling and extinguishing the insulator and the periphery of the insulator;
the first valve, the second valve and the infrared temperature sensor are respectively and electrically connected with the controller, when the measured value of the humidity sensor is smaller than a humidity set value D, the voltage value measured by the voltage detector is larger than a voltage set value U, and the measured value of the infrared temperature sensor is larger than a temperature set value C, the alarm is kept on to emit light and send alarm sound, and meanwhile, the controller sends the current measured value of the humidity sensor, the current measured value of the voltage detector and the current measured value of the infrared temperature sensor and alarm signals to a management background and an operator through wireless or wired transmission, the drying fan and the first valve are closed, and the second valve is opened; and when the measured value of the infrared temperature sensor is less than the temperature set value C, closing the second valve.
4. The system for monitoring and warning of insulator creep of a circuit breaker according to claim 3, wherein the controller controls the circuit breaker to open when the time for which the infrared temperature sensor measurement exceeds the temperature set point Cmax exceeds the set time T.
5. The system for monitoring and early warning of creepage of insulator for circuit breaker according to claim 4, wherein the temperature set point C, the humidity set point D and the voltage set point U are set according to the insulator production safety parameter values.
6. The system for monitoring and warning of insulator creep for a circuit breaker according to claim 5, wherein the infrared temperature sensor is disposed on an inner wall of a wall or an inner wall of a cabinet, and the probe is directed at the insulator.
7. The system for monitoring and warning of creepage of insulator in circuit breaker according to claim 1, wherein the duct vent is flared.
8. The system for monitoring and warning of creepage of insulator for circuit breaker according to claim 1, wherein said conductive metal ring is a conductive metal non-closed ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020413065.XU CN212031643U (en) | 2020-03-27 | 2020-03-27 | System for monitoring and early warning of creepage of breaker insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020413065.XU CN212031643U (en) | 2020-03-27 | 2020-03-27 | System for monitoring and early warning of creepage of breaker insulator |
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| Publication Number | Publication Date |
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| CN212031643U true CN212031643U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020413065.XU Active CN212031643U (en) | 2020-03-27 | 2020-03-27 | System for monitoring and early warning of creepage of breaker insulator |
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| Country | Link |
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| CN (1) | CN212031643U (en) |
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- 2020-03-27 CN CN202020413065.XU patent/CN212031643U/en active Active
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