CN210402679U - Circuit breaker oil level monitoring and alarming device - Google Patents

Circuit breaker oil level monitoring and alarming device Download PDF

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Publication number
CN210402679U
CN210402679U CN201921875604.5U CN201921875604U CN210402679U CN 210402679 U CN210402679 U CN 210402679U CN 201921875604 U CN201921875604 U CN 201921875604U CN 210402679 U CN210402679 U CN 210402679U
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oil level
circuit breaker
proximity sensor
wireless signal
capacitive proximity
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李海生
李建光
郑明富
王凯
张健全
潘剑锋
廖之旭
赵志军
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Liuzhou Bureau of Extra High Voltage Power Transmission Co
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Liuzhou Bureau of Extra High Voltage Power Transmission Co
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Abstract

A circuit breaker oil level monitoring and alarming device comprises a circuit breaker mechanism box, at least two capacitive proximity sensors, a wireless signal transmission module and a wireless signal receiving module which are in communication connection with each other. The box wall of circuit breaker mechanism case is equipped with the oil level observation window, is equipped with hydraulic oil in the oil level observation window, and the equal butt of sense terminal that two at least capacitanc proximity sensor correspond sets up in the oil level observation window and with the hydraulic oil interval, and the sense terminal that a plurality of capacitanc proximity sensor correspond is along vertical direction interval distribution, and wireless signal transmission module is connected with capacitanc proximity sensor electricity, and wireless signal receiving module electricity is connected with control room circuit breaker oil level alarm device. The circuit breaker leakage and oil level change condition can be monitored, the risk of electric leakage and ignition in the oil is avoided when the throw-in type sensor is put into the oil, the plurality of capacitance type proximity sensors are used for alarming under different emergency conditions, and the practicability is high.

Description

Circuit breaker oil level monitoring and alarming device
Technical Field
The utility model relates to a monitoring alarm technical field particularly, relates to a circuit breaker oil level monitoring alarm device.
Background
The high-voltage circuit breaker is the most important equipment in a transformer substation, has strong current breaking capacity, and plays a role in closing or breaking current in a high-voltage loop. Oil leakage phenomenon can often appear because mechanism's part is ageing after the oil pressure circuit breaker long-term operation, because the operation personnel carries out equipment according to certain cycle and tours, can not be the monitoring circuit breaker seepage and the oil level condition of changing all the time. If a large amount of oil leaks from the circuit breaker in non-patrol time, air enters a high-pressure oil pipeline, the circuit breaker can be slowly separated during operation, and the risk of equipment explosion exists.
Some circuit breakers detection scheme at present adopt the formula sensor of input to detect the liquid level, and the formula sensor of input must put into oil and adopt the signal of telecommunication, has the risk of electric leakage striking sparks.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a circuit breaker oil level monitoring alarm device, it can keep watch on circuit breaker seepage and oil level situation of change, avoids throwing into the risk that the formula sensor put into oil electric leakage and strike sparks, and a plurality of capacitanc proximity sensor are used for the warning under the different emergency, and the practicality is strong.
The embodiment of the utility model discloses a realize through following technical scheme:
a circuit breaker oil level monitoring and alarming device comprises a circuit breaker mechanism box, at least two capacitive proximity sensors, a wireless signal transmission module and a wireless signal receiving module which are in communication connection with each other. The box wall of circuit breaker mechanism case is equipped with the oil level observation window, is equipped with hydraulic oil in the oil level observation window, and the equal butt of sense terminal that two at least capacitanc proximity sensor correspond sets up in the oil level observation window and with the hydraulic oil interval, and the sense terminal that a plurality of capacitanc proximity sensor correspond is along vertical direction interval distribution, and wireless signal transmission module is connected with capacitanc proximity sensor electricity, and wireless signal receiving module electricity is connected with control room circuit breaker oil level alarm device.
The inventor finds that in the existing detection scheme for the oil level and the liquid level in the circuit breaker, a drop-in sensor is adopted to detect the liquid level, the drop-in sensor needs to be put into oil and adopts an electric signal, and the risk of electric leakage and ignition exists. Moreover, when the operator performs the inspection of the equipment at a certain period, the leakage of the circuit breaker and the change of the oil level cannot be monitored at any time.
The invention provides a circuit breaker oil level monitoring and alarming device which comprises a circuit breaker mechanism box, at least two capacitive proximity sensors, a wireless signal transmission module and a wireless signal receiving module, wherein the wireless signal transmission module and the wireless signal receiving module are in communication connection with each other. The oil level of the circuit breaker is detected by adopting the capacitive proximity sensor, so that the risk of electric leakage and ignition when the throw-in sensor is put into the oil is avoided. And a plurality of capacitive proximity sensors are used for alarming under different emergency conditions, so that the practicability is high. The detection signal of telecommunication for capacitanc proximity sensor gives wireless signal transmission module, and final control monitor room circuit breaker oil level alarm device reports to the police, can carry out real-time detection to the oil level of circuit breaker, and the security is high.
Further, the monitoring chamber circuit breaker oil level alarm device is provided with an audible and visual alarm.
Further, monitoring room circuit breaker oil level alarm device is equipped with the display, and the display is equipped with alarm indication.
Further, monitoring room circuit breaker oil level alarm device is equipped with cell-phone end APP.
Further, circuit breaker mechanism case is equipped with the support, and the support closes on the fixed setting of oil level observation window, and capacitanc proximity sensor installs in the support.
Furthermore, two capacitive proximity sensors are arranged, namely a first capacitive proximity sensor and a second capacitive proximity sensor which are distributed at intervals downwards along the vertical direction, and the first capacitive proximity sensor and the second capacitive proximity sensor are used for general alarm and serious alarm respectively.
The utility model discloses technical scheme has following advantage and beneficial effect at least:
1. the oil level of the circuit breaker is detected in real time, and the circuit breaker oil level alarm device in the monitoring room is controlled to give an alarm in a remote mode, so that the safety is good;
2. the oil level of the circuit breaker is detected by adopting a capacitive proximity sensor, so that the risk of electric leakage and ignition when the throw-in sensor is put into oil is avoided;
3. adopt a plurality of capacitanc proximity sensor to be used for the warning under the different emergency, the practicality is strong.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a first structure of a circuit breaker oil level monitoring and alarming device according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of the circuit breaker oil level monitoring and alarming device according to the embodiment of the present invention.
Icon: 100-circuit breaker mechanism box, 110-oil level observation window, 120-bracket, 200-capacitance proximity sensor, 210-first capacitance proximity sensor, 220-second capacitance proximity sensor, 300-wireless signal transmission module, 400-wireless signal receiving module, 500-monitoring chamber circuit breaker oil level alarm device, 510-audible and visual alarm, 520-display.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred to must have a specific position, be constructed and operated in a specific position, and therefore, should not be interpreted as a limitation of the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, a circuit breaker oil level monitoring and alarming device includes a circuit breaker mechanism box 100, at least two capacitive proximity sensors 200, a wireless signal transmission module 300 and a wireless signal receiving module 400, which are communicatively connected to each other. The wall of the circuit breaker mechanism box 100 is provided with an oil level observation window 110, hydraulic oil is arranged in the oil level observation window 110, detection ends corresponding to at least two capacitive proximity sensors 200 are abutted to the oil level observation window 110 and are arranged at intervals with the hydraulic oil, the detection ends corresponding to the capacitive proximity sensors 200 are distributed at intervals along the vertical direction, the wireless signal transmission module 300 is electrically connected with the capacitive proximity sensors 200, and the wireless signal receiving module 400 is electrically connected with a monitoring room circuit breaker oil level alarm device 500.
The inventor finds that in the existing detection scheme for the oil level and the liquid level in the circuit breaker, a drop-in sensor is adopted to detect the liquid level, the drop-in sensor needs to be put into oil and adopts an electric signal, and the risk of electric leakage and ignition exists. Moreover, when the operator performs the inspection of the equipment at a certain period, the leakage of the circuit breaker and the change of the oil level cannot be monitored at any time.
The inventor invents a circuit breaker oil level monitoring and alarming device which comprises a circuit breaker mechanism box 100, at least two capacitive proximity sensors 200, a wireless signal transmission module 300 and a wireless signal receiving module 400 which are mutually communicated and connected.
Referring to fig. 1, in a circuit breaker mechanism box 100, an oil level observation window 110 is disposed at a position of a box wall, and the oil level observation window 110 has transparency so as to facilitate direct visual observation of hydraulic oil disposed in the window from outside. The oil level of the circuit breaker is detected by adopting the capacitive proximity sensor 200, the capacitive proximity sensor 200 is arranged close to the oil level observation window 110, the detection end of the capacitive proximity sensor 200 is abutted with the oil level observation window 110, and the capacitive proximity sensor 200 is arranged outside the oil level observation window 110.
The detection ends corresponding to the plurality of capacitive proximity sensors 200 are distributed at intervals in the vertical direction. When the oil level is lowered to the height position of the detection end of the single capacitive proximity sensor 200, the capacitive proximity sensor 200 obtains an oil level signal and transmits the oil level signal to the wireless signal transmission module 300 in an electrical signal manner.
The wireless signal transmission module 300 is electrically connected with the capacitive proximity sensor 200, the wireless signal transmission module 300 is in communication connection with the wireless signal receiving module 400, and the wireless signal receiving module 400 controls the monitoring room circuit breaker oil level alarm device 500 to send out a corresponding alarm signal according to a signal to remind a worker to timely handle an oil leakage event of the circuit breaker.
Specifically, two capacitive proximity sensors 200, a first capacitive proximity sensor 210 and a second capacitive proximity sensor 220, respectively, may be provided in the circuit breaker oil level monitoring and warning device. The first and second capacitive proximity sensors 210 and 220 are spaced apart vertically downward from the circuit breaker mechanism compartment 100. The first capacitive proximity sensor 210 is disposed above the second capacitive proximity sensor 220. When an oil leakage event occurs in the circuit breaker and the oil level drops to the height position of the first capacitive proximity sensor 210, the first capacitive proximity sensor 210 generates an electric signal, and the monitoring chamber circuit breaker oil level alarm device 500 performs corresponding general alarm after receiving the signal.
When an oil leakage event occurs in the circuit breaker and the oil level drops to the height position of the second capacitive proximity sensor 220, the oil level dropping speed and the oil level dropping degree are obtained through analysis, and after the monitoring chamber circuit breaker oil level alarm device 500 obtains a signal, a corresponding serious alarm is given.
The above-mentioned general alarm and the serious alarm are used to distinguish the oil level from the oil level drop caused by the slight leakage of the circuit breaker or the change of the environmental temperature and the oil level drop caused by the serious oil leakage. Adopt multiple warning mode, remind the corresponding circuit breaker emergency degree of oil leak condition of staff, make things convenient for the staff to rationally arrange the time and carry out repair work.
Further, referring to fig. 1, the circuit breaker mechanism case 100 is provided with a bracket 120, the bracket 120 is fixedly disposed adjacent to the oil level observation window 110, and the capacitive proximity sensor 200 is mounted to the bracket 120.
Further, referring to fig. 2, the monitoring chamber circuit breaker oil level alarm device 500 is provided with an audible and visual alarm 510, a display 520 and a mobile phone terminal APP. Display 520 is equipped with alarm indication, shows the circuit breaker oil level through display 520 and reports an emergency and asks for help or increased vigilance to start audible-visual alarm 510 and remind the person on duty, also can pass through 4G network transmission signal to cell-phone end APP, and cell-phone end APP reports an emergency and asks for help or increased vigilance the person on duty, and the person on duty deals with to the on-site inspection. Can remind the staff in time.
The utility model discloses technical scheme has following advantage and beneficial effect at least:
1. the oil level of the circuit breaker is detected in real time, and the circuit breaker oil level alarm device 500 in the monitoring room is controlled to give an alarm in a remote way, so that the safety is good;
2. the capacitance type proximity sensor 200 is adopted to detect the oil level of the circuit breaker, so that the risk of electric leakage and ignition when the throw-in type sensor is put into oil is avoided;
3. the plurality of capacitive proximity sensors 200 are used for alarming in different emergency situations, such as general alarming and serious alarming, and distinguishing the slight drop of the oil level caused by the slight leakage of the circuit breaker or the change of the environmental temperature from the rapid drop of the oil level caused by the serious leakage of the oil;
4. adopt wireless signal transmission module 300 to carry out remote communication, practice thrift the cable, construction convenience.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A circuit breaker oil level monitoring alarm device, comprising:
the oil level observation window is arranged on the wall of the circuit breaker mechanism box, and hydraulic oil is arranged in the oil level observation window;
the detection ends corresponding to the at least two capacitive proximity sensors are abutted to the oil level observation window and are arranged at intervals with the hydraulic oil, and the detection ends corresponding to the at least two capacitive proximity sensors are distributed at intervals along the vertical direction;
the oil level alarm device comprises a wireless signal transmission module and a wireless signal receiving module which are in communication connection with each other, wherein the wireless signal transmission module is electrically connected with the capacitive proximity sensor, and the wireless signal receiving module is electrically connected with a monitoring chamber circuit breaker oil level alarm device.
2. The circuit breaker oil level monitoring and warning device of claim 1, wherein: and the monitoring chamber circuit breaker oil level alarm device is provided with an audible and visual alarm.
3. The circuit breaker oil level monitoring and warning device of claim 2, wherein: monitor room circuit breaker oil level alarm device is equipped with the display, the display is equipped with alarm indication.
4. The circuit breaker oil level monitoring and warning device of claim 3, wherein: monitoring room circuit breaker oil level alarm device is equipped with cell-phone end APP.
5. The circuit breaker oil level monitoring and warning device of claim 1, wherein: the circuit breaker mechanism case is equipped with the support, the support closes on the fixed setting of oil level observation window, capacitanc proximity sensor install in the support.
6. The circuit breaker oil level monitoring and warning device of claim 1, wherein: the device is provided with two capacitive proximity sensors, namely a first capacitive proximity sensor and a second capacitive proximity sensor which are distributed at intervals downwards along the vertical direction, wherein the first capacitive proximity sensor and the second capacitive proximity sensor are respectively used for general alarm and serious alarm.
CN201921875604.5U 2019-11-01 2019-11-01 Circuit breaker oil level monitoring and alarming device Active CN210402679U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921875604.5U CN210402679U (en) 2019-11-01 2019-11-01 Circuit breaker oil level monitoring and alarming device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921875604.5U CN210402679U (en) 2019-11-01 2019-11-01 Circuit breaker oil level monitoring and alarming device

Publications (1)

Publication Number Publication Date
CN210402679U true CN210402679U (en) 2020-04-24

Family

ID=70343119

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921875604.5U Active CN210402679U (en) 2019-11-01 2019-11-01 Circuit breaker oil level monitoring and alarming device

Country Status (1)

Country Link
CN (1) CN210402679U (en)

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