CN108564748B - Anti-theft alarm system for transformer - Google Patents
Anti-theft alarm system for transformer Download PDFInfo
- Publication number
- CN108564748B CN108564748B CN201810736061.2A CN201810736061A CN108564748B CN 108564748 B CN108564748 B CN 108564748B CN 201810736061 A CN201810736061 A CN 201810736061A CN 108564748 B CN108564748 B CN 108564748B
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- China
- Prior art keywords
- transformer
- unit
- alarm
- infrared light
- microcomputer control
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- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000001960 triggered effect Effects 0.000 claims 2
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
- G08B13/193—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems using focusing means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The system comprises four transformer support columns, a transformer, four infrared light spot detection alarm units, a GPS positioning unit, a microcomputer control unit, a power supply unit and an alarm unit; the transformer is arranged on four transformer support columns, four infrared light spot detection alarm units are positioned below four corners of the bottom of the transformer, the GPS positioning unit is positioned at the center position below the bottom of the transformer, the infrared light spot detection alarm units and the GPS positioning unit are connected with the microcomputer control unit through wires, and the alarm units and the power supply unit are respectively connected with the microcomputer control unit through wires; the system has the advantages of improving the sensitivity of the alarm by two-stage alarm, reducing false alarm and detecting the position of the transformer in real time when theft occurs.
Description
Technical Field
The invention belongs to the technical field of power engineering, and relates to a transformer anti-theft alarm system.
Background
The rural power grid distribution area is wide, the rural power distribution transformers are hundreds to thousands in number in county units, and the rural power distribution transformers are huge in number. The power facilities such as the agricultural transformer are generally placed in a remote place, and the event that the agricultural transformer is stolen frequently occurs, so that normal life of local residents is disturbed, and agricultural production is seriously influenced in busy seasons.
The rural power grid distribution transformer is stolen with the following characteristics:
1. theft time is mostly concentrated around the early morning. People are in sleep before and after the morning, so that the people are careless to prevent, and the best opportunity for the thief to get down is provided.
2. Theft periods are of significant seasonal nature. Summer is a key period of drought resistance and flood prevention in rural areas, and the transformer is frequently used, so that the transformer also becomes a peak period of theft of the copper core of the transformer.
3. The theft method mainly includes two methods, namely cutting high and low voltage leads of the transformer, detaching bolts for fixing foundation pins of the transformer, and then stealing the whole transformer; the second method is to steal only copper wires inside the transformer and disassemble the transformer in a destructive manner until the copper coil of the transformer is removed.
Because of the specificity of the rural power grid distribution network, the rural power grid distribution transformer has a plurality of distribution points and wide range, and is difficult to manage. At present, a method for welding a transformer onto a rack is mainly adopted for transformer theft prevention, and for a user self-management transformer, when the transformer is stopped, the user often dismantles and transports the transformer, and the transformer is installed when the transformer is used in the next year, so that the repeated dismounting workload is increased, and the user cost burden is increased.
In addition to the high cost of repairing the power after the transformer is stolen, the most worry of people is that the stolen event happens again, so that the establishment of the transformer anti-theft alarm system is very necessary.
Disclosure of Invention
The invention provides a transformer anti-theft alarm system for solving the problem that a transformer is stolen.
The technical scheme for solving the technical problems is as follows:
the transformer anti-theft alarm system is characterized by comprising four transformer supporting columns, a transformer, four infrared light spot detection alarm units, a GPS (global positioning system) positioning unit, a microcomputer control unit, a power supply unit and an alarm unit; the transformer is arranged on four transformer support columns, four infrared light spot detection alarm units are positioned at the lower positions of four corners of the bottom of the transformer, the GPS positioning unit is positioned at the central position of the lower part of the bottom of the transformer, the infrared light spot detection alarm units and the GPS positioning unit are connected with the microcomputer control unit through wires, and the alarm units and the power supply unit are respectively connected with the microcomputer control unit through wires.
The infrared light spot detection alarm unit comprises: the infrared LED, the collimating lens, the narrow-band filter, the converging lens, the photoelectric detector and the digital processing chip; the infrared LED is positioned on the focal plane of the collimating lens, the narrow-band filter and the converging lens are arranged on the same optical axis, the photoelectric detector is positioned on the focal plane of the converging lens, and the digital processing chip is connected with the photoelectric detector; the digital processing chip is connected with the microcomputer control unit.
The alarm unit includes: the alarm comprises an electric switch, a warning lamp, an alarm horn and a microwave transmitting unit; the electric switch is respectively connected with the warning lamp, the warning horn and the microwave transmitting unit through wires; the microcomputer control unit is respectively connected with the warning lamp, the warning horn and the microwave transmitting unit.
The invention has the beneficial effects that:
the system utilizes an infrared light spot detection unit and a GPS positioning unit to realize two-stage alarm, the infrared light spot detection unit realizes the detection of the centimeter-level displacement of the transformer, and the GPS positioning realizes the detection of the meter-level displacement of the transformer. The two-stage alarm method of the system improves the sensitivity of alarm, reduces false alarm and can also detect the position of the transformer in real time when theft occurs.
The system can realize anti-theft monitoring in normal operation or off-line state of the transformer, can ensure normal operation of a power line, reduce production loss caused by theft of the transformer, save a large amount of repeated disassembly and assembly cost for the off-line transformer, and greatly reduce work load of workers. Therefore, the system is widely applied to the power system, and has huge popularization and application prospects.
Drawings
Fig. 1: the invention relates to a transformer anti-theft alarm system structure schematic diagram.
Fig. 2: the invention relates to a layout diagram of four infrared spot detection alarm units and a GPS positioning unit of a transformer anti-theft alarm system.
Fig. 3: the invention relates to a schematic diagram of an infrared light spot detection alarm unit.
Fig. 4: the invention provides a schematic diagram of a remote alarm unit.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the transformer burglar alarm system comprises four transformer support posts 1, a transformer 2, four infrared light spot detection alarm units 3, a GPS positioning unit 4, a microcomputer control unit 5, a power supply unit 6 and an alarm unit 7. Four transformer support posts 1 support a transformer 2, four infrared light spot detection alarm units 3 are located at four corners of the bottom of the transformer 2, a GPS positioning unit 4 is located at the center of the bottom of the transformer 2, the infrared light spot detection alarm units 3 and the GPS positioning unit 4 are connected with a microcomputer control unit 5 through wires, and an alarm unit 7 and a power supply unit 6 are connected with the microcomputer control unit 5 through wires respectively.
As shown in fig. 3, the infrared light spot detection alarm unit 3 includes: the infrared LED lamp comprises an infrared LED3-1, a collimating lens 3-2, a narrow-band filter 3-3, a converging lens 3-4, a photoelectric detector 3-5 and a digital processing chip 3-6.
In the infrared light spot detection alarm unit 3, an infrared LED3-1 is positioned on the focal plane of a collimating lens 3-2, the collimating lens 3-2, a narrow-band filter 3-3 and a converging lens 3-4 are arranged on the same optical axis, a photoelectric detector 3-5 is positioned on the focal plane of the converging lens 3-4, and a digital processing chip 3-6 is connected with the photoelectric detector 3-5; the digital processing chip 3-6 is connected with the microcomputer control unit 5. The infrared LEDs 3-1 and the collimating lenses 3-2 are the emitting ends of the infrared light spot detection alarm units 3, and the emitting ends of the four infrared light spot detection alarm units 3 are arranged at four corners of the bottom of the transformer 2. The narrow-band filter 3-3, the converging lens 3-4, the photoelectric detector 3-5 and the digital processing chip 3-6 form a receiving end of the infrared light spot detection alarm unit 3, and the four receiving ends are arranged below the four transmitting ends.
As shown in fig. 4, the alarm unit 7 includes: an electric switch 7-1, a warning lamp 7-2, a warning horn 7-3 and a microwave emitting unit 7-4. The electric switch 7-1 is respectively connected with the warning lamp 7-2, the warning horn 7-3 and the microwave transmitting unit 7-4 through wires. The microcomputer control unit 5 is respectively connected with the warning lamp 7-2, the warning horn 7-3 and the microwave emitting unit 7-4.
The infrared light emitted by the infrared LED3-1 is emitted through the collimating lens 3-2, filtered through the narrow-band filter 3-3 and converged on the photoelectric detector 3-5 through the converging lens 3-4, and the digital processing chip 3-6 detects whether the photoelectric detector 3-5 has light spots or not. If the transformer 2 is stolen and generates displacement of centimeter level, the digital processing chip 3-6 detects that the light spot moves to the photoelectric detector 3-5 without signal, the microwave transmitting unit 7-4 is controlled by the microcomputer control unit 5 to transmit an alarm signal to the indoor monitoring center by triggering the alarm signal, and the staff can judge that the transformer 2 is stolen according to the display of the monitoring center.
When the transformer 2 is stolen and the displacement reaches the meter level, the GPS positioning unit 4 detects the position change of the meter level, triggers an alarm signal to control the alarm lamp 7-2 and the alarm horn 7-3 to generate the alarm signal through the microcomputer control unit 5, and simultaneously controls the microwave transmitting unit 7-4 to transmit the alarm signal to the indoor monitoring center to display the theft of the transformer 2 and the current position of the transformer 2.
Claims (1)
1. The transformer anti-theft alarm system is characterized by comprising four transformer supporting columns (1), a transformer (2), four infrared light spot detection alarm units (3), a GPS positioning unit (4), a microcomputer control unit (5), a power supply unit (6) and an alarm unit (7); the transformer (2) is arranged on four transformer support columns (1), four infrared light spot detection alarm units (3) are positioned at the lower positions of four corners of the bottom of the transformer (2), the GPS positioning unit (4) is positioned at the central position of the lower part of the bottom of the transformer (2), the infrared light spot detection alarm units (3) and the GPS positioning unit (4) are connected with the microcomputer control unit (5) through wires, and the alarm unit (7) and the power supply unit (6) are respectively connected with the microcomputer control unit (5) through wires;
the infrared light spot detection alarm unit (3) comprises: an infrared LED (3-1), a collimating lens (3-2), a narrow-band filter (3-3), a converging lens (3-4), a photoelectric detector (3-5) and a digital processing chip (3-6); the infrared LED (3-1) is positioned on the focal plane of the collimating lens (3-2), the narrow-band optical filter (3-3) and the converging lens (3-4) are arranged on the same optical axis, the photoelectric detector (3-5) is positioned on the focal plane of the converging lens (3-4), and the digital processing chip (3-6) is connected with the photoelectric detector (3-5) through wires; the digital processing chip (3-6) is connected with the microcomputer control unit (5);
the alarm unit (7) comprises: an electric switch (7-1), a warning lamp (7-2), an alarm horn (7-3) and a microwave emission unit (7-4); the electric switch (7-1) is respectively connected with the warning lamp (7-2), the warning horn (7-3) and the microwave emission unit (7-4) through wires; the microcomputer control unit (5) is respectively connected with the warning lamp (7-2), the warning horn (7-3) and the microwave emission unit (7-4);
an infrared LED (3-1) emits infrared light rays, the infrared light rays are emitted through a collimating lens (3-2), the infrared light rays are filtered through a narrow-band optical filter (3-3) and converged on a photoelectric detector (3-5) through a converging lens (3-4), and a digital processing chip (3-6) detects whether the photoelectric detector (3-5) has light spots or not; if the transformer (2) is stolen and generates displacement of centimeter level, the digital processing chip (3-6) detects that the light spot moves to the photoelectric detector (3-5) without a signal, the alarm signal is triggered to control the microwave transmitting unit (7-4) to transmit the alarm signal to the indoor monitoring center through the microcomputer control unit (5), and the staff judges that the transformer (2) is stolen according to the display of the monitoring center;
when the transformer (2) is stolen and the displacement reaches the meter level, the GPS positioning unit (4) detects the position change of the meter level, the alarm signal is triggered to control the alarm lamp (7-2) and the alarm horn (7-3) to generate the alarm signal through the microcomputer control unit (5), and meanwhile, the microwave transmitting unit (7-4) is controlled to transmit the alarm signal to the indoor monitoring center, so that the theft of the transformer (2) and the current position of the transformer (2) are displayed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810736061.2A CN108564748B (en) | 2018-07-06 | 2018-07-06 | Anti-theft alarm system for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810736061.2A CN108564748B (en) | 2018-07-06 | 2018-07-06 | Anti-theft alarm system for transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108564748A CN108564748A (en) | 2018-09-21 |
| CN108564748B true CN108564748B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810736061.2A Active CN108564748B (en) | 2018-07-06 | 2018-07-06 | Anti-theft alarm system for transformer |
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| CN (1) | CN108564748B (en) |
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| CN108564748A (en) | 2018-09-21 |
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