CN114019273A - Multifunctional distribution network line loss detection device - Google Patents
Multifunctional distribution network line loss detection device Download PDFInfo
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- CN114019273A CN114019273A CN202111245323.3A CN202111245323A CN114019273A CN 114019273 A CN114019273 A CN 114019273A CN 202111245323 A CN202111245323 A CN 202111245323A CN 114019273 A CN114019273 A CN 114019273A
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- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 238000009826 distribution Methods 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 63
- 238000004140 cleaning Methods 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 230000000007 visual effect Effects 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000011179 visual inspection Methods 0.000 claims description 2
- 230000032683 aging Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 5
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- XBWAZCLHZCFCGK-UHFFFAOYSA-N 7-chloro-1-methyl-5-phenyl-3,4-dihydro-2h-1,4-benzodiazepin-1-ium;chloride Chemical compound [Cl-].C12=CC(Cl)=CC=C2[NH+](C)CCN=C1C1=CC=CC=C1 XBWAZCLHZCFCGK-UHFFFAOYSA-N 0.000 description 2
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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
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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Abstract
本发明公开了多功能的配电网线损检测装置，属于电网设备领域，包括无人机底座，无人机底座的上端一侧通过挂载臂安装有挂载轮，挂载轮对应无人机底座的正上方设置，无人机底座的上端中心分别设置有视觉检测图像采集机构和红外温度传感器，视觉检测图像采集机构对应挂载轮的正下方设置，挂载臂的两侧分别设置有夹持传动箱，夹持传动箱上设置有线缆清理机构，通过设置的挂载轮，使得装置整体能够挂载在线缆上移动，通过设置的红外温度传感器检测经过的线缆的表面温度，从而根据线缆的发热情况判断线缆的线损是否正常，通过设置的视觉检测图像采集机构能够通过视觉检测线缆的外皮，从而观察线缆是否破损和外皮老化程度，便于对线缆的维护。
The invention discloses a multifunctional power distribution network line loss detection device, which belongs to the field of power grid equipment and includes an unmanned aerial vehicle base. The upper end side of the unmanned aerial vehicle base is provided with a mounting wheel through a mounting arm, and the mounting wheel corresponds to the unmanned aerial vehicle. Set just above the base, the upper center of the drone base is provided with a visual detection image acquisition mechanism and an infrared temperature sensor, respectively. Holding the transmission box, a cable cleaning mechanism is arranged on the clamping transmission box, and the set mounting wheel enables the whole device to be mounted on the cable to move, and the set infrared temperature sensor detects the surface temperature of the passing cable, Therefore, according to the heating condition of the cable, it can be judged whether the wire loss of the cable is normal. The visual detection image acquisition mechanism can visually detect the outer skin of the cable, so as to observe whether the cable is damaged and the aging degree of the outer skin, which is convenient for the maintenance of the cable. .
Description
Technical Field
The invention relates to the field of power distribution network management equipment, in particular to a multifunctional power distribution network line loss detection device.
Background
With the continuous improvement of the living standard of people in China in recent years, the demand for electric power is also continuously increased, and in addition, the production of various industries has a great demand for electric power, great pressure is brought to the whole electric power system, the line loss phenomenon often occurs in the whole power distribution network system, the line loss mainly refers to the phenomenon of light emitting and heating in each link due to relatively more and more complex links in the normal electric power distribution system, and further the electric energy loss to a certain degree is caused, and the scientific and technical personnel refer to the common electric energy loss in China at the present stage as the active electric energy loss through years of analysis and comparison. In recent years, with the implementation of national policies of sustainable development and ecological environment protection in China, in order to achieve the aim of reducing GDP energy consumption, our party and the government begin to monitor the line loss condition of the power distribution network in the whole power industry in real time, and the overall management level of the power distribution network is improved. With the continuous deepening and development of scientific technology in China, the comprehensive realization of the real-time monitoring of the line loss of the power distribution network becomes possible, and the method has great significance for promoting energy-saving and emission-reducing engineering and sustainable development in China and effectively improving the economic benefit of power enterprises.
The actual line loss comprises two parts of technical line loss and management line loss. The electric quantity loss caused by few power supply points, long power supply radius, thin line number, equipment aging, insufficient reactive compensation capacity, unreasonable tide distribution and metering device errors belongs to technical line loss; because metering device trouble, the missing that individual personnel's technical matter and thought matter are poor to cause copy, estimate and copy, the wrong electric quantity loss that copies, look for the electric larceny and some external causes cause belongs to the management line loss, because the development of internet of things, all use internet of things to connect metering device to user side and each power transmission node among the prior art, through the measurement detection line loss of different nodes, can effectively reduce the line loss, but because the technological line loss prior art that the cable ageing damage leads to can not discover fast, for this reason we provide a multi-functional distribution network line loss detection device.
Disclosure of Invention
The invention aims to provide a multifunctional distribution network line loss detection device which can realize patrol of cables and detection of states of the cables, so that when the line cable loss is increased, the cable loss can be timely found, and the loss can be reduced.
In order to solve the problems, the invention adopts the following technical scheme:
multifunctional distribution network line loss detection device, including the unmanned aerial vehicle base, the carry wheel is installed through the carry arm in upper end one side of unmanned aerial vehicle base, the carry wheel corresponds the setting directly over the unmanned aerial vehicle base, the upper end center of unmanned aerial vehicle base is provided with visual detection image acquisition mechanism and infrared temperature sensor respectively, visual detection image acquisition mechanism corresponds the setting directly under the carry wheel, the both sides of carry arm are provided with the centre gripping transmission case respectively, be provided with cable clearance mechanism on the centre gripping transmission case.
According to a preferable scheme of the invention, the unmanned aerial vehicle base comprises a battery box and a control box, a moving motor is arranged in the control box, the moving motor is in transmission connection with a mounting wheel rotating shaft through a chain transmission mechanism, a cavity is arranged in the mounting arm, and the chain transmission mechanism is arranged in the cavity of the mounting arm.
According to a preferable scheme of the invention, the hanging wheel comprises a hanging shaft and two clamping wheels, the hanging shaft is rotatably connected to the upper end of a hanging arm, the two ends of the hanging shaft are respectively provided with a limiting end plate, the large ends of the clamping wheels are outward in a truncated cone-shaped structure, the clamping wheels are movably sleeved on the hanging shaft, clamping springs are fixedly connected between the outer ends of the two clamping wheels and the limiting end plate on the corresponding side, and the clamping springs are sleeved on the hanging shaft.
As a preferable scheme of the invention, the middle part of the mounting shaft is rotatably provided with a contact rotating ring, the outer wall of the contact rotating ring is fixedly connected with a contact friction sleeve, and the contact friction sleeve is made of polytetrafluoroethylene.
As a preferable scheme of the invention, the contact rotating ring and the mounting shaft are in interference connection and fixation through a bearing, and the limiting end plates on two sides are in threaded connection with the mounting shaft.
As a preferable scheme of the invention, a plurality of radial arms are uniformly distributed on the side wall of the battery box, and a rotor wing is arranged at the outer end of each radial arm.
As a preferable scheme of the present invention, a mobile PLC controller is disposed in the control box, the plurality of rotors are electrically connected to the mobile PLC controller, and the mobile PLC controller is electrically connected to an output end of the battery box.
As a preferred scheme of the invention, a detection PLC controller is further arranged in the control box, the detection PLC controller is electrically connected with the visual detection image acquisition mechanism and the infrared temperature sensor, and the detection PLC controller is electrically connected with the output end of the battery box.
As a preferable scheme of the invention, the visual detection image acquisition mechanism comprises an image sensor and an acquisition lens, the acquisition lens is a wide-angle lens, the upper ends of the two clamping transmission boxes are respectively provided with a reflector corresponding to the outer sides of the hanging wheels, and the reflectors are arranged obliquely to the horizontal plane.
As a preferred scheme of the invention, the cable cleaning mechanism comprises an upper cleaning cylinder and a lower cleaning cylinder, the upper cleaning cylinder is fixedly connected to the outer end of a pressure arm, the inner end of the pressure arm is fixedly connected with an input shaft of a clamping transmission box, the lower cleaning cylinder is fixedly connected with the outer end of an elastic supporting rod, the inner end of the elastic supporting rod is fixedly connected with an output shaft of the clamping transmission box, a driving gear, a transmission gear and a driven gear are arranged in the clamping transmission box, the transmission gear is respectively in meshing transmission with the driving gear and the driven gear, the transmission ratio of the driving gear, the transmission gear and the driven gear is 1:2:3, the driving gear is in key connection with the input shaft of the clamping transmission box, and the driven gear is fixedly in key connection with the output shaft of the clamping transmission box.
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through the carry wheel that sets up, make the unmanned aerial vehicle base can be under the remote control with carry the wheel cover receive the cable on, make the device wholly can carry and move on the cable, detect the surface temperature of the cable of process through the infrared temperature sensor who sets up, thereby judge whether normal the line loss of cable is normal according to the condition of generating heat of cable, visual detection image acquisition mechanism through the setting can pass through the crust of visual detection cable, thereby whether damaged and crust ageing degree of observation cable, be convenient for to the maintenance of cable.
(2) This scheme is through centre gripping transmission case and the cable clearance mechanism that sets up, go up the cleaning cylinder when the cable is carried to the carry gear, go up the upper end contact of cleaning cylinder and cable, make it upwards rotate to push down the arm outer end under the effect of device gravity to go up the cleaning cylinder, the rotation of pressure arm outer end passes through the driving gear, drive gear and driven gear's transmission back, the outer end that drives the elasticity die-pin upwards rotates, thereby make down the cleaning cylinder shift up, and because the driving gear, drive gear and driven gear's transmission ratio, make down the displacement of cleaning cylinder far away than last cleaning cylinder, make down the cleaning cylinder offset with the bottom surface of cable, and the elasticity die-pin that makes takes place elastic deformation, keep down the pressure of cleaning cylinder to the cable bottom surface, the clearance effect to the cable of last cleaning cylinder and lower cleaning cylinder has been improved.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a side cross-sectional view of the present invention.
Fig. 3 is a side sectional view of the loading wheel of the present invention.
FIG. 4 is a partial cross-sectional view of the cable cleaning mechanism and clamping drive housing of the present invention.
The reference numbers in the figures illustrate:
1. an unmanned aerial vehicle base; 2. a hanging arm; 3. a hanging wheel; 4. a visual inspection image acquisition mechanism; 5. an infrared temperature sensor; 6. clamping the transmission case; 7. a cable cleaning mechanism; 8. a battery box; 9. a control box; 10. a moving motor; 11. a chain transmission mechanism; 12. mounting a shaft; 13. a limiting end plate; 14. a clamping wheel; 15. a clamping spring; 16. contacting the swivel; 17. a contact friction sleeve; 18. a swing arm; 19. a rotor; 20. an image sensor; 21. acquiring a lens; 22. a reflector; 23. detecting a PLC controller; 24. moving the PLC controller; 25. pressing the arm; 26. an upper cleaning cylinder; 27. an elastic supporting rod; 28. a lower cleaning cylinder; 29. a driving gear; 30. a transmission gear; 31. a driven gear.
Detailed Description
The technical solution 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.
Example (b):
please refer to fig. 1-4, a multifunctional distribution network line loss detection device, comprising an unmanned aerial vehicle base 1, wherein a hanging wheel 3 is installed on one side of the upper end of the unmanned aerial vehicle base 1 through a hanging arm 2, the hanging wheel 3 is arranged right above the unmanned aerial vehicle base 1, a visual detection image acquisition mechanism 4 and an infrared temperature sensor 5 are respectively arranged at the center of the upper end of the unmanned aerial vehicle base 1, the visual detection image acquisition mechanism 4 is arranged right below the hanging wheel 3, clamping transmission boxes 6 are respectively arranged on two sides of the hanging arm 2, and a cable cleaning mechanism 7 is arranged on the clamping transmission boxes 6.
Specifically, unmanned aerial vehicle base 1 includes battery box 8 and control box 9, is provided with mobile motor 10 in the control box 9, and mobile motor 10 passes through chain drive 11 transmissions with the 3 pivots of carry wheel to be connected, is provided with the cavity in the arm of carry 2, and chain drive 11 sets up in the arm of carry 2 intracavity.
In this embodiment, through the battery box 8 that sets up, battery box 8 is the device power supply, and user's installation mobile motor 10 and control circuit in the control box 9, mobile motor 10 passes through chain drive 11 and is connected with the transmission of the 3 pivot of carry wheel for mobile motor 10 can drive carry wheel 3 through chain drive 11 and rotate, makes carry wheel 3 remove along the cable through the friction initiative, has guaranteed that the device can normally remove at the gentle section of cable.
Specifically, the hanging wheel 3 comprises a hanging shaft 12 and two clamping wheels 14, the hanging shaft 12 is rotatably connected to the upper end of the hanging arm 2, the two ends of the hanging shaft 12 are provided with limiting end plates 13, the large ends of the clamping wheels 14 face outwards to form a circular truncated cone-shaped structure, the clamping wheels 14 are movably sleeved on the hanging shaft 12, the outer ends of the two clamping wheels 14 are fixedly connected with clamping springs 15 between the limiting end plates 13 on one side, and the clamping springs 15 are sleeved on the hanging shaft 12.
In this embodiment, through the centre gripping wheel 14 that sets up, the outer end of centre gripping wheel 14 is fixed with spacing end plate 13 through clamping spring 15 for can drive centre gripping wheel 14 through spacing end plate 13 when carry axle 12 rotates and rotate, the centre gripping wheel 14 of both sides can be on the surface of self-adaptation cable when contacting with the cable, improves carry 3 frictional force on wheel 3 and the cable surface when having improved carry 3 application scope.
Specifically, the middle part of the mounting shaft 12 is rotatably provided with a contact rotating ring 16, the outer wall of the contact rotating ring 16 is fixedly connected with a contact friction sleeve 17, and the contact friction sleeve 17 is made of polytetrafluoroethylene.
In this embodiment, through the contact swivel 16 and the contact friction sleeve 17 that set up for when both sides centre gripping wheel 14 separately reached the cable surface and carried axle 12 middle part contact, through the rotation of contact swivel 16, reduced the wearing and tearing of carrying axle 12 and cable, the wearing and tearing of carrying axle 12 and cable have further been reduced to the setting of contact friction sleeve 17.
Specifically, the contact rotating ring 16 and the mounting shaft 12 are fixed in an interference fit manner through a bearing, and the limiting end plates 13 on the two sides are in threaded connection with the mounting shaft 12.
In this embodiment, contact swivel 16 and limiting end plate 13 are fixedly mounted on the mounting shaft 12 through interference connection and threaded connection, so that the mounting wheel 3 can be conveniently disassembled and maintained, and the maintenance cost is reduced.
Specifically, a plurality of radial arms 18 are uniformly distributed on the side wall of the battery box 8, and a rotor 19 is arranged at the outer end of each radial arm 18.
In this embodiment, through rotor 19 that sets up, a plurality of rotors 19 drive the device and take off, the long-range overhead mounting of being convenient for.
Specifically, be provided with in the control box 9 and remove PLC controller 24, a plurality of rotors 19 all with remove PLC controller 24 electric connection, and remove PLC controller 24 and 8 output electric connections of battery box.
In this embodiment, through the removal PLC controller 24 that sets up, be convenient for independently to the control of a plurality of rotors 19, can guarantee the normal take-off of device and return when detection circuitry trouble.
Specifically, still be provided with in the control box 9 and detect PLC controller 23, detect PLC controller 23 and visual detection image acquisition mechanism 4 and infrared temperature sensor 5 electric connection, and detect PLC controller 23 and 8 output electric connection of battery box.
In this embodiment, through the detection PLC controller 23 that sets up, detect PLC controller 23 user and receive visual detection image acquisition mechanism 4 and infrared temperature sensor 5's detection data to through wireless communication technology transmission data, independent control module has guaranteed the security of detection achievement, the later maintenance of being convenient for.
Specifically, visual detection image acquisition mechanism 4 includes image sensor 20 and collecting lens 21, and collecting lens 21 is wide-angle lens, and the outside department that the upper end of two centre gripping transmission cases 6 corresponds carry wheel 3 all is provided with reflector panel 22, and reflector panel 22 inclines to the horizontal plane setting.
In this embodiment, through the cooperation of the image sensor 20 and the collecting lens 21 that set up, can gather the cable crust image directly under the carry wheel 3, through the reflector panel 22 that sets up, can launch the crust image of cable upper end to the collecting lens 21 on for the upper and lower homoenergetic of cable can receive the detection.
Specifically, the cable cleaning mechanism 7 comprises an upper cleaning cylinder 26 and a lower cleaning cylinder 28, the upper cleaning cylinder 26 is fixedly connected to the outer end of a pressure arm 25, the inner end of the pressure arm 25 is fixedly connected with an input shaft of the clamping transmission box 6, the lower cleaning cylinder 28 is fixedly connected with the outer end of an elastic supporting rod 27, the inner end of the elastic supporting rod 27 is fixedly connected with an output shaft of the clamping transmission box 6, a driving gear 29, a transmission gear 30 and a driven gear 31 are arranged in the clamping transmission box 6, the transmission gear 30 is respectively in meshing transmission with the driving gear 29 and the driven gear 31, the transmission ratio of the driving gear 29, the transmission gear 30 and the driven gear 31 is 1:2:3, the driving gear 29 is connected to the input shaft of the clamping transmission box 6, and the driven gear 31 is fixedly connected with the output shaft of the clamping transmission box 6.
In this embodiment, by providing the upper cleaning cylinder 26, when the hanging wheel 3 is hung on the cable, the upper cleaning cylinder 26 contacts with the upper end of the cable, so that the upper cleaning cylinder 26 pushes the outer end of the pressure arm 25 to rotate upwards under the action of the gravity of the device, the rotation of the outer end of the pressure arm 25 drives the outer end of the elastic supporting rod 27 to rotate upwards after being transmitted by the driving gear 29, the transmission gear 30 and the driven gear 31, thereby moving the lower cleaning cylinder 28 upward, and due to the gear ratio of the driving gear 29, the driving gear 30 and the driven gear 31, so that the lower cleaning cylinder 28 moves a much greater distance than the upper cleaning cylinder 26, so that the lower cleaning cylinder 28 is against the bottom surface of the cable, and the elastic supporting rod 27 is elastically deformed, so that the pressure of the lower cleaning cylinder 28 on the bottom surface of the cable is kept, and the cable cleaning effect of the upper cleaning cylinder 26 and the lower cleaning cylinder 28 is improved.
The working principle is as follows: when the device is used, the unmanned aerial vehicle base 1 is controlled to fly to the side face of a cable through remote control, then the unmanned aerial vehicle base 1 enables the hanging wheel 3 to be sleeved on the cable under the remote control, the unmanned aerial vehicle base 1 stops flying, the whole device is hung on the cable through the hanging wheel 3, the middle part of the cable sags under the action of gravity, the device can be hung at two ends of the cable through the hanging, the device is driven to move along the cable through the integral gravity of the device, when a gentle section is met, the moving motor 10 is started, the hanging wheel 3 is driven to rotate actively through the transmission of the chain transmission mechanism 11, the driving device moves along the gentle cable, the surface temperature of the passing cable is detected through the arranged infrared temperature sensor 5, whether the line loss of the cable is normal or not is judged according to the heating condition of the cable, the image acquisition mechanism 4 can detect the outer skin of the cable through vision through the arranged vision, therefore, whether the cable is damaged or not and the aging degree of the outer skin are observed, and the cable is convenient to maintain; when the hanging wheel 3 is hung on a cable, the upper cleaning cylinder 26 is in contact with the upper end of the cable, so that the upper cleaning cylinder 26 pushes the outer end of the pressing arm 25 to rotate upwards under the action of the gravity of the device, the outer end of the pressing arm 25 rotates through the transmission of the driving gear 29, the transmission gear 30 and the driven gear 31, and then the outer end of the elastic supporting rod 27 is driven to rotate upwards, so that the lower cleaning cylinder 28 moves upwards, the moving distance of the lower cleaning cylinder 28 is far greater than that of the upper cleaning cylinder 26 due to the transmission ratio of the driving gear 29, the transmission gear 30 and the driven gear 31, so that the lower cleaning cylinder 28 is abutted against the bottom surface of the cable, the elastic supporting rod 27 is elastically deformed, the pressure of the lower cleaning cylinder 28 on the bottom surface of the cable is kept, and the cable cleaning effect of the upper cleaning cylinder 26 and the lower cleaning cylinder 28 on the cable is improved.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111245323.3A CN114019273A (en) | 2021-10-26 | 2021-10-26 | Multifunctional distribution network line loss detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111245323.3A CN114019273A (en) | 2021-10-26 | 2021-10-26 | Multifunctional distribution network line loss detection device |
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| CN114019273A true CN114019273A (en) | 2022-02-08 |
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| CN202111245323.3A Pending CN114019273A (en) | 2021-10-26 | 2021-10-26 | Multifunctional distribution network line loss detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115060991A (en) * | 2022-05-17 | 2022-09-16 | 国网湖北省电力有限公司黄冈供电公司 | A power grid line loss calculation device and method |
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Application publication date: 20220208 |
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