CN107622613B - Electronic fence protection device - Google Patents
Electronic fence protection device Download PDFInfo
- Publication number
- CN107622613B CN107622613B CN201710824125.XA CN201710824125A CN107622613B CN 107622613 B CN107622613 B CN 107622613B CN 201710824125 A CN201710824125 A CN 201710824125A CN 107622613 B CN107622613 B CN 107622613B
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- Prior art keywords
- brush
- electric wire
- baffle
- electronic fence
- shell
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- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 238000007664 blowing Methods 0.000 claims description 6
- 230000001012 protector Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 15
- 238000004140 cleaning Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 description 6
- 230000032683 aging Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The invention belongs to the technical field of electronic fence auxiliary equipment, and particularly relates to an electronic fence protection device. The electronic fence guard includes a protective enclosure, a plurality of brushes, and a plurality of drive mechanisms. The protective cover comprises a baffle plate, the baffle plate is suitable for being arranged above the electric wire and arranged along the length direction of the electric wire, and the baffle plate can shield the electric wire; each brush comprises a brush handle and a brush head, wherein the first end of the brush handle is hinged with the baffle, the second end of the brush handle is connected with the brush head, and the brush head can be in contact with the electric wire; each actuating mechanism can drive each brush holder that corresponds and rotate around the pin joint. The protection device is time-saving and labor-saving, reduces the workload of manually cleaning dust and sundries, saves the time for patrolling by the staff behind the false alarm, and improves the working efficiency.
Description
Technical Field
The invention belongs to the technical field of electronic fence auxiliary equipment, and particularly relates to an electronic fence protection device.
Background
The transformer substation belongs to national important assets, and is mostly special equipment such as transformer, high voltage electric network, block terminal in the station moreover, in order to prevent artificial destruction, steal, also in order to avoid personnel to enter and cause the incident by mistake, generally set up fence on transformer substation's enclosure all around. The electronic fence is an intelligent perimeter system consisting of a pulse generator and a fence, wherein the pulse generator sends pulses, the fence is provided with a plurality of electrified wires, and when people invade and touch the net, the fence sends out audible and visual alarm to strive for initiative and response time for safety precaution. And the pulse type voltage period is long, the energy is low, the casualties cannot be caused, and the effects of blocking and deterring are achieved.
At present, false alarms caused by factors such as humidity, foreign matter hanging, sand and dust adhesion and the like frequently occur to the electronic fence in use, interference is caused to daily operation and maintenance work of a transformer substation, the electronic fence is exposed outdoors, the aging phenomenon is serious, and the maintenance cost is increased.
Disclosure of Invention
In view of this, the present invention provides an electronic fence protection device capable of automatically cleaning up foreign objects and dust and reducing false alarms.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
fence protector includes:
the protective cover comprises a baffle, the baffle is suitable for being arranged above the electric wire and arranged along the length direction of the electric wire, and the baffle can shield the electric wire;
the plurality of hairbrushes comprise brush holders and brush heads, the first ends of the brush holders are hinged with the baffle plates, the second ends of the brush holders are connected with the brush heads, and the brush heads can be in contact with the wires; and
and each driving mechanism can drive each corresponding brush handle to rotate around a hinged point.
Further, the protection casing still includes:
the supporting rods are vertically arranged, the first ends of the supporting rods are suitable for being fixed on the wall, and the second ends of the supporting rods are fixedly connected with the baffle.
Further, each of the struts includes:
the main supporting rod is vertically arranged, and the first end of the main supporting rod is suitable for being fixed on a wall; and
the auxiliary supporting rod is vertically arranged, and a first end of the auxiliary supporting rod is telescopically connected with a second end of the main supporting rod and can be fixed through a jackscrew; and the second end of the auxiliary supporting rod is fixedly connected with the baffle.
Further, the brush head includes:
the first end of the shell is detachably connected with the second end of the brush handle, a plurality of air holes for blowing air are formed in the side wall of the second end of the shell, bristles are arranged at the second end of the shell, and the bristles can be in contact with the electric wire; and
and the fan is arranged in the cavity of the shell and is suitable for being connected with a power supply.
Further: the brush head further includes:
the heater is arranged in the cavity of the shell, is positioned between the fan and the air hole and is suitable for being connected with a power supply.
Further, the heater is provided with a high gear mode and a low gear mode, and the power of the heater in the high gear mode is larger than that in the low gear mode;
the fan and the heater are both suitable for being connected with a terminal controller.
Further, each of the driving mechanisms includes:
the motor is fixed on the baffle;
the first end of the crank is connected with an output shaft of the motor; in the direction perpendicular to the corresponding swing direction of the brush holders, the motor and the crank are both positioned on the side surface of the brush holders; and
the first end of the sliding block is rotatably connected with the second end of the crank, the second end of the sliding block is provided with a through hole, and the corresponding brush handle penetrates through the through hole.
Further, the motor is adapted to be connected to a terminal controller.
Furthermore, the surfaces of the protective cover, the hair brushes and the driving mechanisms are all provided with insulating layers.
Further, the baffle plate includes a first inclined portion and a second inclined portion which are integrally formed, and both the first inclined portion and the second inclined portion are inclined obliquely downward.
Due to the adoption of the technical scheme, the invention has the technical progress that:
the baffle is located the top of fence's outdoor electric wire, and the length direction along the electric wire sets up and can shelter from the electric wire, avoids sunshine insolate aggravation electric wire ageing, and the direct water droplet that drips causes the mistake to send out the signal on the electric wire when also can avoiding sleet weather. The first end of the brush holder is hinged with the baffle, and the driving mechanism drives the brush holder to rotate around the hinged point. The second end of the brush handle is connected with the brush head, so that the brush handle can drive the brush head to swing in a reciprocating manner. The brush head is contacted with the electric wire, thereby realizing the effects of cleaning dust on the surface of the electric wire and hanging foreign matters.
Be equipped with a plurality of brushes along the length direction of electric wire, every brush corresponds one set of actuating mechanism, can set up the position and the quantity of brush in a flexible way during the installation according to the trend and the installation space of electric wire, and the while operation is also nimble convenient.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the fence protector of this scheme of use can clear up the dust of outdoor electric wire and the foreign matter of hanging automatically, reduces the wrong report police that the missending signal caused, avoids causing the interference for patrolling and examining personnel. Moreover, the protection device can shield the electric wire, prevent sunshine insolation or rain and snow from attaching on the electric wire to aggravate electric wire aging, and also prevent the electric wire from mistakenly sending signals due to dampness. The protection device is time-saving and labor-saving, reduces the workload of manually cleaning dust and sundries, saves the time for patrolling by the staff behind the false alarm, and improves the working efficiency.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention and are not to be considered as limiting the invention. In the drawings:
fig. 1 is a front view of an electronic fence guard in accordance with an embodiment of the present invention;
fig. 2 is a side view of an electronic fence guard in accordance with an embodiment of the present invention;
FIG. 3 is a front view of a brush and drive mechanism according to an embodiment of the present invention;
FIG. 4 is an enlarged partial view of the drive mechanism according to an embodiment of the present invention;
FIG. 5 is a side view of a brush and drive mechanism according to an embodiment of the present invention;
FIG. 6 is an enlarged partial view of another angle of the drive mechanism according to an embodiment of the present invention;
figure 7 is a schematic view of a brush head according to an embodiment of the present invention.
Description of reference numerals:
10-shield, 11-baffle, 111-first inclined part, 112-second inclined part, 12-support bar, 121-primary support bar, 122-secondary support bar, 20-brush, 21-brush handle, 22-brush head, 221-shell, 2211-wind hole, 2212-brush, 222-fan, 223-heater, 30-driving mechanism, 31-motor, 32-crank, 33-slide block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings in combination with embodiments. The specific exemplary embodiments and descriptions thereof described herein are merely illustrative of the invention and are not intended to be limiting.
The present embodiment provides an electronic fence protecting apparatus, which is shown in fig. 1, 2 and 3, and comprises a protecting cover 10, a plurality of brushes 20 and a plurality of driving mechanisms 30. The protective cover 10 comprises a baffle 11, wherein the baffle 11 is suitable for being arranged above the electric wire and arranged along the length direction of the electric wire, and the electric wire can be shielded. Each brush 20 comprises a brush handle 21 and a brush head 22, wherein a first end of the brush handle 21 is hinged with the baffle 11, a second end of the brush handle is connected with the brush head 22, and the brush head 22 can be contacted with the electric wire. Each of the driving mechanisms 30 can drive each of the brush holders 21 to rotate around the hinge point.
Baffle 11 is located the top of fence's outdoor electric wire, sets up and can shelter from the electric wire along the length direction of electric wire, avoids sunshine insolate aggravation electric wire ageing, and the direct water droplet that drips when also can avoiding sleet weather causes the false signal on the electric wire. The first end of the brush handle 21 is hinged with the baffle 11, and the driving mechanism 30 drives the brush handle 21 to rotate around the hinged point. The second end of the brush handle 21 is connected with the brush head 22, so that the brush handle 21 can drive the brush head 22 to swing back and forth. The brush head 22 is in contact with the electric wire, thereby achieving the effects of cleaning dust on the surface of the electric wire and hanging foreign matters.
Be equipped with a plurality of brushes 20 along the length direction of electric wire, every brush 20 corresponds one set of actuating mechanism 30, can set up the position and the quantity of brush in a flexible way according to the trend and the installation space of electric wire during the installation, and the operation is also nimble convenient simultaneously.
Specifically, as shown in fig. 1, the protective cover 10 further includes a plurality of struts 12. Each of the support rods 12 is vertically arranged, a first end of each support rod is suitable for being fixed on a wall, and a second end of each support rod is fixedly connected with the baffle 11. The struts 12 act as struts. Generally, the outdoor electric wires of the electronic fence are arranged along the direction of the enclosing wall, generally enclosing into a rectangle, and locally having a protrusion or a groove, and a plurality of support rods 12 are arranged for facilitating installation.
Specifically, as shown in fig. 2, each of the struts 12 includes a primary strut 121 and a secondary strut 122. The primary support bar 121 is vertically disposed and has a first end adapted to be secured to a wall. The auxiliary supporting rod 122 is vertically arranged, and the first end of the auxiliary supporting rod 122 is telescopically connected with the second end of the main supporting rod 121 and can be fixed through a jackscrew. The second end of the secondary strut 122 is fixedly connected with the baffle 11.
The primary support rod 121 serves as a positioning function, and the secondary support rod 122 serves as a support function for the baffle 11. The auxiliary supporting rod 122 is telescopically connected with the main supporting rod 121, so that the height of the auxiliary supporting rod 122 can be conveniently adjusted, the second end of the auxiliary supporting rod 122 is fixedly connected with the baffle plate 11, the height of the baffle plate 11 can be conveniently adjusted, the height of the baffle plate 11 can be conveniently determined according to the relative position of an outdoor electric wire and a surrounding wall and the number of the electric wires, and the installation and maintenance are convenient.
In one embodiment, as shown in connection with fig. 7, the brush head 22 includes a housing 221 and a blower 222. The first end of the shell 221 is detachably connected with the second end of the brush handle 21, a plurality of air holes 2211 for blowing air are formed in the side wall of the second end of the shell 221, bristles 2212 are arranged at the second end of the shell 221, and the bristles 2212 can be in contact with the wires. The blower 222 is disposed in the cavity of the housing 221 and is adapted to be connected to a power source.
Different types of brush heads 22 can be arranged according to factors such as the relative position of the outdoor electric wire and the enclosing wall, the number of the electric wires, the distance between the electric wires and the like, and the sizes and the dimensions of the different brush heads 22 are different. The first end of the shell 221 is detachably connected with the second end of the brush handle 21, so that different types of brush heads 22 can be replaced according to actual requirements. The blower 222 is used for blowing air, and the air flow is blown out from the air holes 2211 and used for blowing dust on the surface of the electric wire and hung foreign matters, such as branches, plastic bags, kites and the like; the brush 2212 is used for cleaning dust and foreign matters, blowing and cleaning are combined, the phenomenon that the dust and the foreign matters attached to the surface of the electric wire cause mistaken signal sending is avoided, and the workload of inspection personnel is increased.
Specifically, as shown in connection with fig. 7, the brush head 22 further includes a heater 223. The heater 223 is disposed in the cavity of the housing 221 between the blower 222 and the air hole 2211, and is adapted to be connected to a power source. The heater 223 is used for heating the gas generated by the blower 222, and then the hot air flow is blown out from the air hole 2211, so as to dry the moisture attached to the surface of the wire, thereby avoiding the wire being affected with damp and aged, causing short-circuit fault, or causing signal false sending.
Specifically, the heater 223 is provided with a high range mode and a low range mode, and the heater 223 has a higher power in the high range mode than in the low range mode. The blower 222 and the heater 223 are each adapted to be connected to a terminal controller. In rainy and snowy weather, the heater 223 is in a high-grade mode, and the moisture on the surface of the wire can be dried quickly. In sunny weather, the heater 223 is in a low gear mode, so that the drying effect can be achieved, and short-circuit faults caused by the fact that the temperature of the electric wire is increased can be avoided. The blower 222 and the heater 223 are both connected with the terminal controller, so that a manager can control the start and stop of the blower 222 and the heater 223 at the terminal controller, and the blower 222 and the heater 223 can be selectively started by the manager according to different weather and different conditions.
The blower 222 and the heater 223 are respectively connected to the terminal controller, so that the blower 222 or the heater 223 can be independently controlled. Such as: in a sand-dust weather, a large amount of dust and foreign matters are adhered to the surface of the wire, and at the moment, the fan 222 is started to sweep while cleaning, so that the efficiency is improved; in sunny weather, the blower 222 can be turned off and only cleaning is performed. When the air humidity is high, the heater 223 is started and is set in a high-grade mode, and the moisture on the surface of the wire is quickly dried; when the air humidity is low, the heater 223 may be turned off. The fan 222 and the heater 223 may be turned on simultaneously, turned off simultaneously, or the fan 222 or the heater 223 may be turned on separately.
As an embodiment, as shown in fig. 3, 4, 5 and 6, each of the driving mechanisms 30 includes a motor 31, a crank 32 and a slider 33. The motor 31 is fixed to the barrier 11. The first end of the crank 32 is connected to the output shaft of the motor 31, and the motor 31 and the crank 32 are both located on the side of the brush holder 21 in the direction perpendicular to the swing direction of the corresponding brush holder 21. The first end of the sliding block 33 is rotatably connected with the second end of the crank 32, the second end of the sliding block 33 is provided with a through hole, and the corresponding brush handle 21 passes through the through hole.
After the motor 31 is started, the crank 32 is rotated. The crank 32 is connected to the slider 33 so that the crank 32 rotates the slider 33. The brush handle 21 passes through the through hole on the sliding block 33, and the upper end of the brush handle 21 is hinged on the protective cover 10, so the sliding block 33 drives the brush handle to rotate around the hinged point. In the direction perpendicular to the swinging direction of the brush holder 21, the motor 31 and the crank 32 are both located at the side of the brush holder 21, i.e. the motor 31 and the brush holder 21 are not arranged side by side, but have a gap in the horizontal projection. The crank 32 and the brush handle 21 are not arranged side by side, and a gap is formed in the horizontal projection. The above design is to prevent the brush shaft 21 from crossing the crank 32 during rotation and colliding, which results in the rotation being impossible. By arranging the motor 31 and the crank 32 on the side of the brush holder 21, the normal rotation of the crank 32 is ensured, and the reciprocating motion of the brush holder 21 can also be ensured.
In particular, the motor 31 is adapted to be connected to a terminal controller. The manager can control the start and stop of the motor 31 through the terminal controller. Therefore, the manager can selectively activate the motor 31 according to the actual demand. Such as: the surface of the wire is clean and has no sundries, the motor 31 can be closed, and the cleaning is stopped; when the weather is bad and a large amount of dust and sundries are attached to the electric wires, the motor 31 is started to clean.
Preferably, the surface of the protection cover 10, the surface of each brush 20, and the surface of each driving mechanism 30 are provided with an insulating layer, so as to avoid signal interference caused by the protection cover 10, each brush 20, and each driving mechanism 30 to the electronic fence. Preferably, as shown in fig. 2, the baffle 11 includes a first inclined portion 111 and a second inclined portion 112 in an integral structure, and both the first inclined portion 111 and the second inclined portion 112 are inclined obliquely downward, that is, a vertical projection of the baffle 11 is in an arrow shape. The first inclined part 111 and the second inclined part 112 are inclined towards the inclined lower side, so that rain and snow can slide conveniently, and the shielding effect is better.
The fence protector of this scheme of use can clear up the dust of outdoor electric wire and the foreign matter of hanging automatically, reduces the wrong report police that the missending signal caused, avoids causing the interference for patrolling and examining personnel. Moreover, the protection device can shield the electric wire, prevent sunshine insolation or rain and snow from attaching on the electric wire to aggravate electric wire aging, and also prevent the electric wire from mistakenly sending signals due to dampness. The protection device is time-saving and labor-saving, reduces the workload of manually cleaning dust and sundries, saves the time for patrolling by the staff behind the false alarm, and improves the working efficiency.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. Fence protector, its characterized in that includes:
the protective cover comprises a baffle, the baffle is suitable for being arranged above the electric wire and arranged along the length direction of the electric wire, and the baffle can shield the electric wire;
the plurality of hairbrushes comprise brush holders and brush heads, the first ends of the brush holders are hinged with the baffle plates, the second ends of the brush holders are connected with the brush heads, and the brush heads can be in contact with the wires; and
the brush holders can rotate around a hinge point;
the brush head comprises a shell, the first end of the shell is detachably connected with the second end of the brush handle, a plurality of air holes used for blowing air are formed in the side wall of the second end of the shell, bristles are arranged at the second end of the shell, and the bristles can be in contact with the electric wire; and the fan is arranged in the cavity of the shell and is suitable for being connected with a power supply.
2. An electronic fence guard as defined in claim 1, wherein the protective enclosure further comprises:
the supporting rods are vertically arranged, the first ends of the supporting rods are suitable for being fixed on the wall, and the second ends of the supporting rods are fixedly connected with the baffle.
3. An electronic fence guard as defined in claim 2 wherein each of said posts comprises:
the main supporting rod is vertically arranged, and the first end of the main supporting rod is suitable for being fixed on a wall; and
the auxiliary supporting rod is vertically arranged, and a first end of the auxiliary supporting rod is telescopically connected with a second end of the main supporting rod and can be fixed through a jackscrew; and the second end of the auxiliary supporting rod is fixedly connected with the baffle.
4. An electronic fence guard as defined in claim 1 wherein: the brush head further includes:
the heater is arranged in the cavity of the shell, is positioned between the fan and the air hole and is suitable for being connected with a power supply.
5. An electronic fence guard as claimed in claim 4, wherein: the heater is provided with a high-gear mode and a low-gear mode, and the power of the heater in the high-gear mode is larger than that in the low-gear mode;
the fan and the heater are both suitable for being connected with a terminal controller.
6. An electronic fence guard as defined in claim 1 wherein each of said drive mechanisms comprises:
the motor is fixed on the baffle;
the first end of the crank is connected with an output shaft of the motor; in the direction perpendicular to the corresponding swing direction of the brush holders, the motor and the crank are both positioned on the side surface of the brush holders; and
the first end of the sliding block is rotatably connected with the second end of the crank, the second end of the sliding block is provided with a through hole, and the corresponding brush handle penetrates through the through hole.
7. An electronic fence guard as claimed in claim 6, wherein: the motor is suitable for being connected with a terminal controller.
8. An electronic fence guard as defined in claim 1 wherein: the surface of the protection cover, the surfaces of the brushes and the surfaces of the driving mechanisms are all provided with insulating layers.
9. An electronic fence guard as claimed in any one of claims 1 to 8 wherein: the baffle includes first inclined portion and second inclined portion that are integral structure, first inclined portion with the second inclined portion all inclines to the below that inclines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710824125.XA CN107622613B (en) | 2017-09-13 | 2017-09-13 | Electronic fence protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710824125.XA CN107622613B (en) | 2017-09-13 | 2017-09-13 | Electronic fence protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107622613A CN107622613A (en) | 2018-01-23 |
| CN107622613B true CN107622613B (en) | 2019-12-31 |
Family
ID=61089697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710824125.XA Active CN107622613B (en) | 2017-09-13 | 2017-09-13 | Electronic fence protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107622613B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113393626B (en) * | 2021-05-08 | 2022-12-09 | 上海客欧电子科技有限公司 | Portable installation formula fence with burglar alarm function |
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| CN202477545U (en) * | 2012-02-22 | 2012-10-10 | 马盛崑 | Rapid glass cleaning eraser |
| CN103947638A (en) * | 2014-05-21 | 2014-07-30 | 国家电网公司 | Anti-bird cover of power transmission line |
| CN204349396U (en) * | 2014-12-04 | 2015-05-20 | 魏家鹏 | High-altitude circuit deicing robot |
| CN205231623U (en) * | 2015-12-08 | 2016-05-11 | 隋海林 | Power transmission and transformation line cleaning device |
| CN205354235U (en) * | 2015-12-27 | 2016-06-29 | 国家电网公司 | Long distance combined type safety surrounding rod device |
| CN206117087U (en) * | 2016-07-18 | 2017-04-19 | 孙丽君 | Novel transmission line deicing device |
| CN206398574U (en) * | 2017-01-22 | 2017-08-11 | 尤鹏超 | Being capable of self-cleaning street lamp |
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2017
- 2017-09-13 CN CN201710824125.XA patent/CN107622613B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2152879A1 (en) * | 1995-06-06 | 1996-12-07 | Sam Death | Hammock with collapsible spreader bars and sheltering enclosure |
| CN201613232U (en) * | 2010-02-22 | 2010-10-27 | 张刚平 | Portable dust collection high insulation live cleaning machine |
| CN202477545U (en) * | 2012-02-22 | 2012-10-10 | 马盛崑 | Rapid glass cleaning eraser |
| CN103947638A (en) * | 2014-05-21 | 2014-07-30 | 国家电网公司 | Anti-bird cover of power transmission line |
| CN204349396U (en) * | 2014-12-04 | 2015-05-20 | 魏家鹏 | High-altitude circuit deicing robot |
| CN205231623U (en) * | 2015-12-08 | 2016-05-11 | 隋海林 | Power transmission and transformation line cleaning device |
| CN205354235U (en) * | 2015-12-27 | 2016-06-29 | 国家电网公司 | Long distance combined type safety surrounding rod device |
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| CN206398574U (en) * | 2017-01-22 | 2017-08-11 | 尤鹏超 | Being capable of self-cleaning street lamp |
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| Publication number | Publication date |
|---|---|
| CN107622613A (en) | 2018-01-23 |
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