CN217279802U - Transformer substation patrols and examines monitoring device - Google Patents
Transformer substation patrols and examines monitoring device Download PDFInfo
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- CN217279802U CN217279802U CN202221254710.3U CN202221254710U CN217279802U CN 217279802 U CN217279802 U CN 217279802U CN 202221254710 U CN202221254710 U CN 202221254710U CN 217279802 U CN217279802 U CN 217279802U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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Abstract
The utility model discloses a transformer substation patrols and examines monitoring device, monitoring device includes unusual monitoring circuit, patrols and examines sensing circuit, control action circuit, unusual monitoring circuit, patrols and examines sensing circuit connection control action circuit respectively, unusual monitoring circuit output detected signal amplifies detected signal, and buffer output to control action circuit patrols and examines sensing circuit output response signal transmission to control action circuit, and control action circuit receives amplified detected signal, sensing signal, and the action of execution acoustic response, light response, this monitoring device is behind the toy gets into substation equipment, and the warning that can be timely gives avoids arousing the problem emergence of equipment trouble.
Description
Technical Field
The utility model relates to a transformer substation field especially relates to a transformer substation patrols and examines monitoring device.
Background
The transformer substation can carry out electric energy conversion and electric energy distribution, plays an important role in a power grid, and patrols and checks the transformer substation regularly or irregularly, which is an important work for ensuring the safe operation of the transformer substation, in particular to some unattended transformer substations.
Disclosure of Invention
Based on the not enough of aforementioned prior art existence, the utility model provides a transformer substation patrols and examines monitoring device, this monitoring device is after toy gets into substation equipment, and the problem of avoiding arousing equipment trouble takes place for the warning that gives that can be timely.
The technical scheme is that the transformer substation inspection monitoring device comprises an abnormity monitoring circuit, an inspection sensing circuit and a control action circuit, wherein the abnormity monitoring circuit and the inspection sensing circuit are respectively connected with the control action circuit; the abnormality monitoring circuit outputs a detection signal, amplifies the detection signal, buffers the detection signal and outputs the detection signal to the control action circuit, the inspection sensing circuit outputs a sensing signal and transmits the sensing signal to the control action circuit, and the control action circuit receives the amplified detection signal and the sensing signal and executes an action of sending out an acoustic response and an action of sending out an optical response;
the control action circuit comprises a starting circuit, a first action response circuit and a second action response circuit, wherein the starting circuit is respectively connected with the first action response circuit and the second action response circuit; the starting circuit respectively receives the amplified detection signal output by the abnormality monitoring circuit and the sensing signal output by the inspection sensing circuit, and then outputs a starting signal which is respectively transmitted to the first action response circuit and the second action response circuit, wherein the first action response circuit executes the action of sending out the acoustic response, and the second action response circuit executes the action of sending out the optical response;
the second action response circuit comprises a second action response starting circuit, a brightness detection circuit, a processing circuit and a second action execution circuit which are connected in sequence; the second action response starting circuit receives the starting signal output by the starting circuit, controls the brightness detection circuit to detect the brightness of the environment, the brightness detection circuit outputs a dark signal to the processing circuit, the processing circuit delays the dark signal and then transmits the delayed dark signal to the second action execution circuit, and the second action execution circuit executes the action of sending out the light response.
The beneficial effects of the utility model are that:
the monitoring device combines the characteristics of random jumping and gnawing of small animals, a thinner enameled wire is arranged in the abnormity monitoring circuit for detection, after the enameled wire is abnormally disconnected, an amplified detection signal is output, the amplified detection signal can be transmitted to a remote monitoring end through a wireless communication technology for remote alarm, and inspection personnel is informed to perform patrol and inspection, the first action response circuit can perform acoustic response warning, on one hand, the abnormity of the inspection personnel can be prompted, on the other hand, the equipment of the transformer substation is more, the inspection personnel can quickly and accurately locate fault points by hearing sound, the second action response circuit can perform optical response warning in the dark environment at night, under the dark condition, the optical response combines the acoustic response, the inspection personnel can accurately and quickly find the fault points to perform hidden trouble shooting, after the small animals enter the transformer substation equipment, can give warning in time and avoid causing the problem of equipment failure to take place.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Fig. 2 is a flow chart of the present invention.
Fig. 3 is an installation schematic.
Detailed Description
The features and advantages of the present invention will be described in more detail in the following description, which should be construed as illustrative in nature and not as limiting the present invention.
The utility model provides a transformer substation inspection monitoring device, which comprises an abnormity monitoring circuit, an inspection induction circuit and a control action circuit, wherein the abnormity monitoring circuit and the inspection induction circuit are respectively connected with the control action circuit; the abnormality monitoring circuit outputs a detection signal, amplifies the detection signal, buffers the detection signal and outputs the detection signal to the control action circuit, the inspection sensing circuit outputs a sensing signal and transmits the sensing signal to the control action circuit, and the control action circuit receives the amplified detection signal and the sensing signal and executes an action of sending out an acoustic response and an action of sending out an optical response;
the control action circuit comprises a starting circuit, a first action response circuit and a second action response circuit, wherein the starting circuit is respectively connected with the first action response circuit and the second action response circuit; the starting circuit respectively receives the amplified detection signal output by the abnormality monitoring circuit and the sensing signal output by the inspection sensing circuit, and then outputs a starting signal which is respectively transmitted to the first action response circuit and the second action response circuit, wherein the first action response circuit executes the action of sending out the acoustic response, and the second action response circuit executes the action of sending out the optical response;
the second action response circuit comprises a second action response starting circuit, a brightness detection circuit, a processing circuit and a second action execution circuit which are connected in sequence; the second action response starting circuit receives the starting signal output by the starting circuit, controls the brightness detection circuit to detect the brightness of the environment, the brightness detection circuit outputs a dark signal to the processing circuit, the processing circuit delays the dark signal and then transmits the delayed dark signal to the second action execution circuit, and the second action execution circuit executes the action of sending out the light response.
The abnormality monitoring circuit comprises a switch SW1, one end of the switch SW1 is connected with a power supply VCC, the other end of the switch SW1 is respectively connected with one end of a resistor R1 and one end of a resistor R2, the other end of the resistor R2 is connected with a collector of a triode Q1, the other end of the resistor R1 is respectively connected with a base and a port A of the triode Q1, an emitter of a triode Q1 is respectively connected with one end of the resistor R4, one end of a resistor R3, the other end of the resistor R3 is connected with a port B and is connected with the ground in parallel, an enameled wire is connected between the port A and the port B, the other end of a resistor R4 is connected with a non-inverting input end of an operational amplifier AR1, an inverting input end of the operational amplifier AR1 is respectively connected with one end of a resistor R5 and one end of a resistor R6, the other end of the resistor R5 is connected with the ground, an output end of the operational amplifier AR1 is respectively connected with the other end of a resistor R6 and the non-inverting input end of the operational amplifier AR2, and the inverting input end of the operational amplifier AR2 is connected with an output end of the operational amplifier AR 2;
the principle of the abnormity monitoring circuit is as follows: as shown in fig. 1 of the specification, a thin enameled wire is connected between the port a and the port B, the enameled wire is disconnected, the port a and the port B are disconnected, the switch SW1 is a master switch, and when the switch SW1 is closed;
the detection circuit is formed by using enameled wires among a resistor R1, a resistor R2, a triode Q1, a resistor R3, a port A and a port B, and the amplification buffer circuit is formed by using a resistor R4, a resistor R5, a resistor R6, a resistor R6, an operational amplifier AR1 and an operational amplifier AR 2;
the enameled wire is disconnected, the port A and the port B are disconnected, a triode Q1 in the detection circuit is connected, a detection signal is output to the amplification buffer circuit, the amplification buffer circuit amplifies the detection signal through an operational amplifier AR1, and the amplified detection signal is output to the control action circuit after being buffered through an operational amplifier AR 2.
The inspection sensing circuit comprises a normally open contact reed switch S, one end of the reed switch S is respectively connected with one end of a resistor R10 and one end of a resistor R11, the other end of the resistor R10 is connected with the other end of a switch SW1 in the abnormality monitoring circuit, the other end of the resistor R11 is connected with the negative electrode of a voltage regulator D4, the positive electrode of the voltage regulator D4 is connected with one end of a resistor R12, the other end of the resistor R12 is connected with the other end of the reed switch S and connected with the ground in parallel, and a magnet NS is arranged close to the reed switch S;
the principle of the inspection induction circuit is as follows: as shown in the attached figure 3 of the specification, in figure 3, 1 is a door, 2 is a door frame, 3 is an upper edge part of the door, a magnet NS can be selectively placed at the position 3, 4 is an upper edge part of the door frame, a reed pipe S can be selectively placed at the position 4, the magnet NS is placed close to the reed pipe S, when the door is closed, the magnet NS is close to the reed pipe S, the contact of the reed pipe S is closed, when the door is opened, the magnet NS is far away from the reed pipe S, and the contact of the reed pipe S is opened, the above-mentioned placing positions of the magnet NS and the reed pipe S can also be respectively placed at other positions of the door and the door frame according to the actual situation;
when the door is opened, the magnet NS is far away from the reed switch S, the contact of the reed switch is disconnected, the voltage regulator tube D4 is broken down, and the positive electrode of the voltage regulator tube D4 outputs an induction signal and transmits the induction signal to the control action circuit.
The control action circuit comprises a thyristor SCR1, the anode of the thyristor SCR1 is connected with one end of a resistor R7, the other end of the resistor R7 is connected with the output end of an operational amplifier AR2 in the abnormity monitoring circuit, the control pole of the thyristor SCR1 is connected with the anode of a voltage regulator D4 in the inspection induction circuit, the cathode of the thyristor SCR1 is respectively connected with one end of a resistor R13, the base of a triode Q2 and the base of a triode Q3, the other end of the resistor R13 is connected with the ground, the emitter of the triode Q2 is connected with the ground, the collector of the triode Q2 is connected with one end of a buzzer LS1, the other end of the buzzer LS1 is connected with the other end of a switch SW1 in the abnormity monitoring circuit, the emitter of the triode Q3 is connected with the ground, the collector of the triode Q3 is respectively connected with one end of a relay K1 and the anode of a diode D6, and the other end of the relay K1 is respectively connected with the cathode of a diode D6 and the other end of a switch SW1 in the abnormity monitoring circuit, one end of a normally open contact K1-1 of a relay K1 is connected with the other end of a switch SW1 in the abnormity monitoring circuit, the other end of a normally open contact K1-1 of a relay K1 is connected with one end of a resistor R14, the other end of a resistor R14 is respectively connected with one end of a resistor R15 and one end of a photoresistor RG1, the other end of the photoresistor RG1 is connected with the ground, the other end of a resistor R15 is connected with the negative electrode of a voltage regulator D3, the positive electrode of the voltage regulator D3 is connected with one end of a resistor R3, the other end of the voltage regulator D3 is connected with the negative electrode of the voltage regulator D3, one end of a capacitor C3, one end of the resistor R3 and the positive electrode of the diode D3 are respectively connected with the other end of the capacitor C3 and the negative electrode of the resistor R3 is connected with the ground, the negative electrode of the diode D3 is connected with the base electrode of a triode Q3, the emitter of the triode Q3 is connected in parallel, and the collector of the triode Q3 is connected with the light emitting diode D3, the anode of the light emitting diode D5 is connected with one end of a resistor R16, and the other end of the resistor R16 is connected with the other end of a switch SW1 in the abnormality monitoring circuit;
the principle of the control action circuit is as follows: a resistor R7, a resistor R13 and a thyristor SCR1 form a starting circuit, a triode Q2 and a buzzer LS1 form a first action response circuit, a triode Q3, a diode D6 and a relay K1 form a second action response starting circuit, a normally open contact K1-1 of the relay K1, a resistor R14, a photosensitive resistor RG1, a resistor R15 and a voltage regulator tube D3 form a brightness detection circuit, a resistor R9, a voltage regulator tube D7, a capacitor C1, a resistor R8, a diode D1 and a diode D2 form a processing circuit, a triode Q4, a light emitting diode D5 and a resistor R16 form a second action execution circuit, and the second action response starting circuit, the brightness detection circuit, the processing circuit and the second action execution circuit form a second action response circuit;
the starting circuit in the control action circuit respectively receives an amplified detection signal output by the abnormality monitoring circuit and an induction signal output by the inspection induction circuit, the thyristor SCR1 is conducted, the starting circuit outputs a starting signal which is respectively transmitted to the first action response circuit and the second action response starting circuit, a triode Q2 in the first action response circuit is conducted, a buzzer LS1 sounds, a switch SW1 is disconnected, the buzzer LS1 stops sounding, a triode Q3 in the second action response starting circuit is conducted, a relay K1 is electrified, a normally open contact K1-1 of a relay K1 in the brightness detection circuit is controlled to be closed, the brightness detection circuit detects the brightness of the environment, the resistance of a photoresistor 1 is small when the brightness is received, the resistance is large when the brightness is not received, the ambient light is weak at night, the resistance of the photoresistor RG1 is large, a voltage regulator D3 is broken down, and a dark signal is output to the processing circuit, the capacitor C1 is used for delaying, the processing circuit delays the dark signal and outputs the dark signal to the second action execution circuit, the triode Q4 is conducted, the light emitting diode D5 is bright, light indication is given, the switch SW1 is switched off, and the light emitting diode D5 is switched off.
The utility model discloses when specifically using:
in the inspection of the transformer substation, the prevention of faults caused by the fact that small animals enter the transformer substation is one of inspection works of inspection personnel, and the method and the device can give warnings in time after the fact that the small animals enter the transformer substation is monitored so as to avoid equipment faults;
in the abnormality monitoring circuit, a thin enameled wire is arranged between a port A and a port B, the enameled wire is disconnected, and the port A and the port B are disconnected;
some equipment in a transformer substation room can not be completely sealed, holes, window seams and the like exist, due to the fact that sealing is not tight, small animals can enter the equipment, such as mice, and after the small animals enter the equipment, due to jumping or biting of the small animals, a potential risk of causing short circuit or open circuit occurs, a thin enameled wire can be arranged at a channel which is easy to enter the small animals, the enameled wire can surround the channel, when the small animals pass through the channel, due to the fact that the enameled wire is thin, jumping or biting of the small animals can damage the enameled wire, a port A and a port B in an abnormity monitoring circuit are disconnected, a triode Q1 in the abnormity monitoring circuit is conducted, a transmitting electrode of a triode Q1 transmits a detection signal, and the detection signal is amplified by an operational amplifier AR1 and buffered by an operational amplifier AR2 and then is output to a control action circuit;
the output end of the operational amplifier AR2 in the anomaly monitoring circuit of the present application, that is, the port C in fig. 1, may be connected to a remote monitoring end, and an amplified detection signal output by the port C may be sent to the remote monitoring end by a wireless communication technology in the prior art, so as to perform remote alarm, so as to prompt the transformer substation that an anomaly exists, a small animal may enter the transformer substation, so that the enameled wire is broken, and a patrol and inspection person needs to be notified;
the inspection sensing circuit is internally provided with a magnet NS and a reed switch S, the magnet NS can be arranged at the position of the graph 3 in the attached drawing 3, the reed switch S can be arranged at the position of the graph 4 in the attached drawing 3, the magnet NS is arranged close to the reed switch S, when a door is opened, the magnet NS is far away from the reed switch S, the contact of the reed switch S is disconnected, specifically, when an inspector enters a room for inspection and examination, the door of the room is opened, the contact of the reed switch S is disconnected, a voltage stabilizing tube D4 is broken down, the positive pole of the voltage stabilizing tube D4 outputs a sensing signal to the control action circuit, the output of the sensing signal represents that the door of the room is opened, and the inspector can make an inspection before;
it should be noted that the inspection sensing circuit is only one of specific embodiments, if the inspection sensing circuit is not used, a human body signal can be directly input at a port D in fig. 1 of the attached drawing, the existence of the human body signal indicates that an inspector comes for inspection, specifically, the human body signal can be obtained by the prior art, for example, a pyroelectric infrared sensor is adopted to monitor the inspector, a human body trigger signal is output, the human body trigger signal is transmitted to a pyroelectric infrared sensor signal processing integrated module to perform signal processing, and finally, the output human body signal enters a control action circuit through the port D of the present application, the pyroelectric infrared sensor can select a sensor with a model P2288, and the selectable model of the pyroelectric infrared sensor signal processing integrated module is BISS0001, which is the second embodiment of the present application;
the inspection sensing circuit outputs sensing signals, the control action circuit receives amplified detection signals output by the abnormality monitoring circuit and sensing signals output by the inspection sensing circuit, the thyristor SCR1 is conducted, and a cathode output starting signal of the thyristor SCR1 is respectively transmitted to the first action response circuit and the second action response circuit;
after the first action response circuit receives the starting signal, the buzzer LS1 makes a sound to prompt an inspector that the enameled wire is abnormal and the small animal possibly enters the transformer substation to cause wire breakage and timely troubleshoot hidden dangers;
the second action response circuit receives the starting signal, the relay K1 is electrified, the normally open contact K1-1 of the relay K1 is closed, the photosensitive resistor RG1 is used for checking the ambient brightness, if an inspector checks at night, the resistance value of the photosensitive resistor RG1 is large, the voltage regulator tube D3 is broken down to output a dark signal to the processing circuit, the processing circuit delays the time by using the capacitor C1, the time delay can be prolonged by using the diode D1 and the diode D2, after the time delay is carried out for a period, the light-emitting diode D4 emits light, the second action response circuit is arranged to aim at that when the inspector checks at night, if the lamp of a room is broken, the hidden danger can be checked by only depending on the sound emitted by the first action response circuit in the dark environment and not easily finding a fault point, and the light-emitting diode D5 emits light, so that a person can accurately position the fault point according to the sound and in combination with the light indication, the delay action of the processing circuit keeps enough lighting time for the polling personnel, and after delay, the room is still in a dark environment, so that the lighting fault is judged, and then the lighting indication of the light-emitting diode D5 is carried out, so that the lighting resource is not wasted;
according to the sound response and the light response, a patrol worker can quickly and accurately position the broken line fault position in a plurality of devices, carry out hidden danger troubleshooting and troubleshoot the potential safety hazard problem of the small animal entering the transformer substation;
the switch SW1 is a master switch, and when the switch SW1 is turned off, the acoustic response or the optical response is stopped.
The beneficial effects of the utility model are that:
1. according to the application, the characteristics of random jumping and gnawing of small animals are combined, a thin enameled wire is arranged in the abnormity monitoring circuit for detection, after the enameled wire is abnormally broken, the port A and the port B are disconnected, an amplified detection signal is output, the amplified detection signal can be transmitted to a remote monitoring end through a wireless communication technology, remote alarm is carried out, the transformer substation is prompted to have abnormal conditions, the small animals possibly enter the transformer substation, inspection personnel need to be informed to patrol and check, remote alarm can be carried out, and the system is particularly suitable for an unattended transformer substation;
2. when a patrol inspector goes to patrol, the patrol inspection sensing circuit outputs a sensing signal to indicate the existence of the patrol inspector, the first action response circuit receives the sensing signal and an amplified detection signal output by the abnormality monitoring circuit, the thyristor SCR1 is conducted, and the buzzer LS1 gives out an acoustic response, so that the abnormity of the patrol inspector can be prompted, more equipment of a transformer substation can be provided, the sound of the patrol inspector can be heard to quickly and accurately position a fault point, the fault point can be found without complicated investigation, and the method is quick and accurate;
after the enameled wire is broken, the sound alarm is started only after the appearance of the polling personnel, the method is particularly suitable for an unattended transformer substation, the alarm mode is timely, the alarm is not carried out when no polling personnel appears, the invalid alarm is not carried out, and the problem of sound interference in the alarm process can be avoided;
3. after the second action response circuit receives the starting signal, the photoresistor RG1 is used for detecting the ambient brightness, after the dark night environment is detected, the brightness detection circuit outputs a dark signal, the dark signal is delayed by a capacitor C1 in the processing circuit, the triode Q4 is conducted, the light-emitting diode D5 is lighted, when the patrol inspector inspects at night, if the lamp of a room is broken, the sound emitted by the first action response circuit is only used for finding a fault point in the dark environment, the light-emitting diode D5 emits light, so that the person can accurately position the fault point according to the sound and combined with light indication to perform hidden danger investigation, wherein the delay function of the processing circuit keeps enough lighting time for the patrol inspector, after the time delay, the room is still in the dark environment, the possibility of lighting fault is judged, and then the light-emitting diode D5 is used for lighting indication, the monitoring device can give out warning in time after the small animals enter the substation equipment, so that the problem of equipment failure is avoided.
Claims (3)
1. A transformer substation inspection monitoring device is characterized by comprising an abnormity monitoring circuit, an inspection sensing circuit and a control action circuit, wherein the abnormity monitoring circuit and the inspection sensing circuit are respectively connected with the control action circuit;
the abnormity monitoring circuit outputs a detection signal, amplifies the detection signal, buffers the detection signal and outputs the detection signal to the control action circuit, the inspection sensing circuit outputs a sensing signal and transmits the sensing signal to the control action circuit, and the control action circuit receives the amplified detection signal and the sensing signal and executes an action of sending out acoustic response and an action of sending out optical response.
2. The substation inspection monitoring device according to claim 1, wherein the control action circuit comprises a starting circuit, a first action response circuit and a second action response circuit, and the starting circuit is respectively connected with the first action response circuit and the second action response circuit;
the starting circuit respectively receives the amplified detection signal output by the abnormality monitoring circuit and the sensing signal output by the inspection sensing circuit, and then outputs a starting signal which is respectively transmitted to the first action response circuit and the second action response circuit, the first action response circuit executes the action of sending out the acoustic response, and the second action response circuit executes the action of sending out the optical response.
3. The substation inspection monitoring device according to claim 2, wherein the second action response circuit comprises a second action response starting circuit, a brightness detection circuit, a processing circuit and a second action execution circuit which are connected in sequence;
the second action response starting circuit receives the starting signal output by the starting circuit, controls the brightness detection circuit to detect the brightness of the environment, the brightness detection circuit outputs a dark signal to the processing circuit, the processing circuit delays the dark signal and then transmits the delayed dark signal to the second action execution circuit, and the second action execution circuit executes the action of sending out the light response.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221254710.3U CN217279802U (en) | 2022-05-24 | 2022-05-24 | Transformer substation patrols and examines monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221254710.3U CN217279802U (en) | 2022-05-24 | 2022-05-24 | Transformer substation patrols and examines monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN217279802U true CN217279802U (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221254710.3U Active CN217279802U (en) | 2022-05-24 | 2022-05-24 | Transformer substation patrols and examines monitoring device |
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| Country | Link |
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| CN (1) | CN217279802U (en) |
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2022
- 2022-05-24 CN CN202221254710.3U patent/CN217279802U/en active Active
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