CN110780229A - 500 kilovolt high-voltage power transmission station safety detection equipment - Google Patents
500 kilovolt high-voltage power transmission station safety detection equipment Download PDFInfo
- Publication number
- CN110780229A CN110780229A CN201911153096.4A CN201911153096A CN110780229A CN 110780229 A CN110780229 A CN 110780229A CN 201911153096 A CN201911153096 A CN 201911153096A CN 110780229 A CN110780229 A CN 110780229A
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- CN
- China
- Prior art keywords
- power transmission
- voltage power
- transmission station
- control chip
- resonant cavity
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/06—Endless track vehicles with tracks without ground wheels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1209—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using acoustic measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
- G01N2021/1704—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids in gases
Abstract
The invention discloses safety detection equipment for a 500 kV high-voltage power transmission station, which belongs to the field of high-voltage power transmission and comprises a moving vehicle and a detection shell, wherein rollers are arranged at the bottom end of the moving vehicle, a camera and a radio transmission device are arranged on the moving vehicle, a rotating table is arranged at the top end of the moving vehicle, a telescopic rod is arranged at the edge position of the upper surface of the rotating table, the top end of the telescopic rod is fixedly connected with the bottom end of the detection shell, a control chip is arranged inside the detection shell, a photoacoustic pool, a light filtering wheel, a chopper and a concave lens are arranged inside the detection shell, an infrared light source is arranged at the central position of. The invention is convenient to check all places and all directions of the high-voltage power transmission station, avoids omission, ensures the safety, conveniently transmits the detected geographic information and the safety condition to a remote control center through the radio transmission device, avoids maintenance and detection workers from entering the high-voltage power transmission station with potential safety hazards, ensures the safety and is convenient to use.
Description
Technical Field
The invention relates to the field of high-voltage power transmission, in particular to safety detection equipment for a 500 kV high-voltage power transmission station.
Background
The ultrahigh voltage transmission line in China takes 330 kilovolt and 500 kilovolt alternating current transmission lines and 500 kilovolt and 800 kilovolt direct current transmission lines as backbone net racks. 5 regional power grids and southern power grids have been formed nationwide. Wherein: the power grids in 4 areas of east China, North China, China and the northeast China and the power grids in the south China already form a 500-kilovolt main grid frame, and the power grids in the northwest China are building 750-kilovolt grid frames on the basis of 330-kilovolt grid frames. 500 kv high-voltage transmission is an extra-high voltage transmission line. The ultra-high voltage transmission is developed on the basis of ultra-high voltage transmission, and the purpose of the ultra-high voltage transmission is to continuously improve the transmission capability, realize high-power medium and long-distance transmission, realize long-distance power system interconnection and build a combined power system. GIS has been the mainstream product of power transmission and transformation equipment in 500 kv high voltage transmission stations. The GIS equipment is filled with SF6 gas with certain pressure, and SF6 gas has excellent arc extinguishing performance and insulating performance. When the GIS equipment breaks down, the type and the degree of the insulation defect are judged according to the type and the content of the gas components, and a basis is provided for the judgment of the insulation level and the state maintenance of the GIS equipment, so that the serious fault and the major power failure accident are avoided. When the GIS equipment is detected in the existing 500 kV high-voltage power transmission station, the GIS equipment generally needs to be carried to a fault place directly, so that workers for maintenance and inspection are easily affected.
Disclosure of Invention
In view of the existing problems, the present invention aims to provide a safety detection device for 500 kv high voltage transmission station, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a 500 kilovolt high-voltage transmission station safety inspection equipment, including the locomotive and detect the shell, the locomotive bottom is equipped with the gyro wheel, the track is established to the cover on the gyro wheel, installation driving motor and battery in the locomotive, be equipped with camera and radio transmission device on the locomotive, the locomotive top is equipped with the revolving stage, revolving stage central authorities pivot and driving motor connect, revolving stage upper surface border position is equipped with the telescopic link, telescopic link top and detection shell bottom end fixed connection, detect the inside control chip that is equipped with of shell, it is equipped with the optoacoustic pond to detect the shell inside, the filter wheel, the chopper, concave lens central position is equipped with infrared light source, control chip passes through the lock-in amplification module and the optoacoustic pond is connected, control chip passes through the wire and in proper order with.
As a further scheme of the invention: the control chip is a PICC single chip microcomputer.
As a further scheme of the invention: and a shielding net is arranged outside the control chip.
As a further scheme of the invention: the photoacoustic cell, the filter wheel, the chopper and the optical window of the concave lens are coaxially arranged.
As a further scheme of the invention: the photoacoustic cell is characterized in that a cylindrical resonant cavity is arranged inside the photoacoustic cell, a quartz optical window and a reflector are respectively arranged on the left side and the right side of the resonant cavity, an air pressure sensor and a temperature sensor are arranged on one side of the resonant cavity, the air pressure sensor, the temperature sensor and a control chip are electrically connected, the other side of the resonant cavity is connected with one end of an air inlet pipe and one end of an air outlet pipe, and the other end of the air inlet pipe and the other end.
As a further scheme of the invention: and microphones are arranged on two sides of the resonant cavity and are connected with the control chip through a phase-locked amplification module.
As a further scheme of the invention: the outer wall of the reflector is provided with a first gland, the outer wall of the quartz optical window is provided with a second gland, the center of the second gland is provided with a through hole, and sealing rings are arranged between the inner end faces of the first gland and the second gland and the cavity wall of the resonant cavity and are assembled with the resonant cavity through threads.
Compared with the prior art, the invention has the beneficial effects that: the detection equipment is driven to move by the moving vehicle, so that the detection equipment can be conveniently checked at various places of the high-voltage power transmission station, the rotating table is controlled to rotate by the driving motor, the telescopic rod controls the detection shell to lift and fall, the detection in various directions of the power transmission station can be conveniently checked, omission is avoided, the use is convenient, the safety is ensured, the detected geographic information and the safety condition can be conveniently transmitted to the remote control center through the radio transmission device, a maintenance detection worker can be prevented from entering the high-voltage power transmission station with potential safety hazards, the safety is ensured, the detected information is remotely transmitted to the control center, the potential safety hazards such as electric leakage and the like can be estimated according to the detected concentration of gas, the safety is ensured, and.
Drawings
Fig. 1 is a schematic structural diagram of a 500 kv high-voltage transmission station safety detection device.
Fig. 2 is a schematic structural diagram of a photoacoustic cell in the safety detection device of the 500 kv high-voltage power transmission station.
Fig. 3 is an external schematic view of a detection enclosure in the safety detection equipment of the 500 kv high voltage transmission station.
In the figure: 1. the mobile vehicle comprises a mobile vehicle body, 2, rollers, 3, a crawler belt, 4, a camera, 5, a driving motor, 6, a storage battery, 7, a radio transmission device, 8, a rotating table, 9, a telescopic rod, 10, a detection shell, 11, a shielding net, 12, an infrared light source, 13, a control chip, 14, a phase-locked amplification module, 15, a photoacoustic cell, 16, a filter wheel, 17, a chopper, 18, a concave lens, 19, a first gland, 20, a reflector, 21, an air pressure sensor, 22, a microphone, 23, a temperature sensor, 24, a quartz optical window, 25, a second gland, 26, an air inlet pipe, 27 and an air outlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: referring to fig. 1-3, a 500 kv high voltage power transmission station safety detection device comprises a moving vehicle 1 and a detection housing 10, wherein a roller 2 is arranged at the bottom end of the moving vehicle 1, a track 3 is sleeved on the roller 2, the detection device is driven to move by the moving vehicle 1, so that each place of the high voltage power transmission station can be conveniently checked, omission is avoided, use is convenient, safety is ensured,
install driving motor 5 and battery 6 in the locomotive 1, be equipped with camera 4 and radio transmission device 7 on the locomotive 1, the geographical information and the security condition that conveniently will detect transmit the remote control center through radio transmission device 7 together, avoid the maintenance to detect the workman and get into the high voltage transmission station that has the potential safety hazard, guarantee security.
1 top of locomotive is equipped with revolving stage 8, and 8 central authorities of revolving stage pivot and driving motor 5 are connected, and 8 upper surface border positions of revolving stage are equipped with telescopic link 9, and 9 tops of telescopic link and detection shell 10 bottom fixed connection rotate through driving motor 5 control revolving stage 8, and telescopic link 9 control detection shell 10 rises and descends, conveniently inspects each direction at the power transmission station, facilitates the use.
The detection shell 10 is internally provided with a control chip 13, the control chip 13 is externally provided with a shielding net 11, the shielding net 11 reduces the influence of electromagnetism on signals in high-voltage power transmission and is convenient to use, the control chip 13 controls all parts to work, the detection shell 10 is internally provided with a photoacoustic cell 15, a filter wheel 16, a chopper 17 and a concave lens 18, the photoacoustic cell 15, the filter wheel 16, the chopper 17 and an optical window of the concave lens 18 are coaxially arranged, the center of the concave lens 18 is provided with an infrared light source 12, the control chip 13 is connected with the photoacoustic cell 15 through a phase-locked amplification module 14, and the control chip 13 is sequentially connected with the infrared light source 12, the chopper 17 and the filter wheel 16 through wires. The gas to be detected is brought into the resonant cavity of the photoacoustic cell 15. When the power supply is turned on, the corresponding working module is powered on, the control chip 13 controls the infrared light source 12 to emit periodically-changed red light, and after the red light is filtered by the chopper 17 and the filter wheel 16, a spectrum with a specific frequency wavelength is obtained so as to excite the gas to be detected to release heat energy. The spectrum of specific frequency wavelength enters the photoacoustic cell 15, the gas to be detected in the photoacoustic cell 15 is periodically heated according to incident light pulse, the periodic fluctuation of the temperature causes pressure fluctuation, the signal is converted into an electric signal, the signal-to-noise ratio is further improved through the phase-locked amplification module 14 and then transmitted to the control chip 13, the control chip 13 obtains the concentration value of the gas to be detected after processing, the information is transmitted to the remote control center through the radio transmission device 7 and displayed, whether potential safety hazards such as electric leakage occur or not is deduced according to the detected concentration of the gas, the safety is ensured, and the use is convenient.
Example two: on the basis of the first embodiment, the control chip 13 is a PICC single chip microcomputer, and is convenient to use.
The inside columniform resonant cavity that is equipped with of photoacoustic cell 15, the resonant cavity left and right sides is equipped with quartz optical window 24 and speculum 20 respectively, resonant cavity one side is equipped with baroceptor 21 and temperature sensor 23, baroceptor 21, temperature sensor 23 and control chip 13 electricity are connected, resonant cavity opposite side and intake pipe 26 one end, outlet duct 27 one end is connected, the intake pipe 26 other end and the 27 other ends of outlet duct set up on the lateral wall that detects shell 10, the inside gas that waits to detect of convenient business turn over high voltage transmission station, facilitate the use. The two sides of the resonant cavity are provided with the microphones 22, the microphones 22 are connected with the control chip 13 through the phase-locked amplifying module 14, the outer wall of the reflector 20 is provided with the first gland 19, the outer wall of the quartz optical window 24 is provided with the second gland 25, the center of the second gland 25 is provided with a through hole, the inner end surfaces of the first gland 19 and the second gland 25 and the cavity wall of the resonant cavity are both provided with sealing rings and assembled with the resonant cavity through screw pairs, the outer end of the sealing rings is provided with a flange structure, and a sealing gasket is arranged between the inner end surface of the flange structure and the outer end surface of the resonant cavity, so that the concentration of gas to be detected is.
It should be particularly noted that, the locomotive, the detection shell, the control chip, the phase-locked amplification module, the photoacoustic cell and the like and the connection combination thereof in the present application are innovative points of the present application, and the problems that the safety detection of the existing 500 kv high-voltage power transmission station to the GIS equipment easily affects the workers for maintenance and inspection, the inspection range is small, and the safety detection of the whole power transmission station is difficult are effectively solved.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and the scope of the present invention is not limited thereto. All changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a 500 kilovolt high-voltage power transmission station safety inspection equipment, including locomotive (1) and detection shell (10), a serial communication port, locomotive (1) bottom is equipped with gyro wheel (2), track (3) are established to gyro wheel (2) upper cover, installation driving motor (5) and battery (6) in locomotive (1), be equipped with camera (4) and radio transmission device (7) on locomotive (1), locomotive (1) top is equipped with revolving stage (8), revolving stage (8) central authorities pivot and driving motor (5) are connected, revolving stage (8) upper surface border position is equipped with telescopic link (9), telescopic link (9) top and detection shell (10) bottom fixed connection, it is equipped with control chip (13) to detect shell (10) inside is equipped with optoacoustic pond (15), filter wheel (16), chopper (17), The device comprises a concave lens (18), an infrared light source (12) is arranged in the center of the concave lens (18), a control chip (13) is connected with a photoacoustic cell (15) through a phase-locked amplification module (14), and the control chip (13) is sequentially connected with the infrared light source (12), a chopper (17) and a filter wheel (16) through a lead.
2. The safety detection device for the 500 kV high-voltage power transmission station according to claim 1, wherein the control chip (13) is a PICC (peripherally inserted central control) singlechip.
3. The 500 kv high voltage transmission station safety detection device according to claim 2, wherein the control chip (13) is externally provided with a shielding net (11).
4. The 500 kv high voltage power transmission station safety inspection device according to claim 1, wherein the optical windows of the photoacoustic cell (15), the filter wheel (16), the chopper (17), and the concave lens (18) are coaxially arranged.
5. The safety detection device for the 500 kV high-voltage power transmission station according to claim 4, wherein a cylindrical resonant cavity is arranged inside the photoacoustic cell (15), a quartz optical window (24) and a reflector (20) are respectively arranged on the left side and the right side of the resonant cavity, an air pressure sensor (21) and a temperature sensor (23) are arranged on one side of the resonant cavity, the air pressure sensor (21) and the temperature sensor (23) are electrically connected with the control chip (13), the other side of the resonant cavity is connected with one end of an air inlet pipe (26) and one end of an air outlet pipe (27), and the other end of the air inlet pipe (26) and the other end of the air outlet pipe (27) are arranged on the.
6. The safety inspection equipment for 500 kv high voltage power transmission station according to claim 5, wherein the resonant cavity is provided with microphones (22) at both sides, and the microphones (22) are connected with the control chip (13) through the phase-locked amplification module (14).
7. The safety detection device for the 500 kV high-voltage power transmission station according to claim 6, wherein a first gland (19) is arranged on the outer wall of the reflector (20), a second gland (25) is arranged on the outer wall of the quartz optical window (24), a through hole is formed in the center of the second gland (25), and sealing rings are arranged between the inner end faces of the first gland (19) and the second gland (25) and the cavity wall of the resonant cavity and assembled with the resonant cavity through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911153096.4A CN110780229A (en) | 2019-11-22 | 2019-11-22 | 500 kilovolt high-voltage power transmission station safety detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911153096.4A CN110780229A (en) | 2019-11-22 | 2019-11-22 | 500 kilovolt high-voltage power transmission station safety detection equipment |
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| Publication Number | Publication Date |
|---|---|
| CN110780229A true CN110780229A (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911153096.4A Pending CN110780229A (en) | 2019-11-22 | 2019-11-22 | 500 kilovolt high-voltage power transmission station safety detection equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551702A (en) * | 2021-06-23 | 2021-10-26 | 华能山东发电有限公司八角发电厂 | Power plant equipment parameter real-time monitoring system |
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| CN105858531A (en) * | 2016-06-03 | 2016-08-17 | 国网山东省电力公司龙口市供电公司 | Electric power overhaul lifting platform |
| CN105911354A (en) * | 2016-05-06 | 2016-08-31 | 国网山东省电力公司滨州市滨城区供电公司 | Measurement device and method for insulation resistance of 10kv distribution line insulator |
| CN105988068A (en) * | 2016-07-15 | 2016-10-05 | 国网江苏省电力公司检修分公司 | Fault detection device for GIS equipment in high-voltage power transmission and transformation power station |
| CN207866241U (en) * | 2017-09-26 | 2018-09-14 | 广东电网有限责任公司江门供电局 | A kind of power equipment inspection device |
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2019
- 2019-11-22 CN CN201911153096.4A patent/CN110780229A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381234A (en) * | 2011-08-26 | 2012-03-21 | 苏州华电电气股份有限公司 | Electric power emergency air-ground patrol vehicle |
| CN104242459A (en) * | 2014-09-26 | 2014-12-24 | 广东电网有限责任公司佛山供电局 | Real-time monitoring and analyzing system and real-time monitoring and analyzing method for substation |
| CN105911354A (en) * | 2016-05-06 | 2016-08-31 | 国网山东省电力公司滨州市滨城区供电公司 | Measurement device and method for insulation resistance of 10kv distribution line insulator |
| CN105858531A (en) * | 2016-06-03 | 2016-08-17 | 国网山东省电力公司龙口市供电公司 | Electric power overhaul lifting platform |
| CN105988068A (en) * | 2016-07-15 | 2016-10-05 | 国网江苏省电力公司检修分公司 | Fault detection device for GIS equipment in high-voltage power transmission and transformation power station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113551702A (en) * | 2021-06-23 | 2021-10-26 | 华能山东发电有限公司八角发电厂 | Power plant equipment parameter real-time monitoring system |
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Application publication date: 20200211 |
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