CN220414048U - Electric power engineering construction safety warning device - Google Patents
Electric power engineering construction safety warning device Download PDFInfo
- Publication number
- CN220414048U CN220414048U CN202321465229.3U CN202321465229U CN220414048U CN 220414048 U CN220414048 U CN 220414048U CN 202321465229 U CN202321465229 U CN 202321465229U CN 220414048 U CN220414048 U CN 220414048U
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- rotating motor
- warning
- construction safety
- threaded rod
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 24
- 238000013016 damping Methods 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model provides a power engineering construction safety warning device, which comprises: install the box, the outside of installation box sets up the bradyseism subassembly, the inside of installation box sets up altitude mixture control subassembly, the top of installation box corresponds altitude mixture control subassembly trompil, altitude mixture control subassembly's top center sets up first rotating assembly, the top of first rotating assembly sets up warning subassembly, warning subassembly's top sets up the second rotating assembly, the top of second rotating assembly sets up adjustable solar power module, altitude mixture control subassembly, first rotating assembly, warning subassembly, second rotating assembly and adjustable solar power module electric connection controller. The power engineering construction safety warning device provided by the utility model has a simple structure, can realize construction safety warning, can fully utilize solar energy, has a damping function, and is convenient to move and use.
Description
Technical Field
The utility model relates to the technical field of power engineering construction, in particular to a power engineering construction safety warning device.
Background
When power engineering construction, often need set up safety warning device and warn, prevent that the passersby from mistake income construction area, however, safety warning device among the prior art has some defects, wherein, current safety warning device often only sets up the warning sign, warning dynamics is not enough, and under the darker circumstances of night light, it is difficult to see clearly, in addition, warning device among the prior art generally sets up in the open air, if need the power supply, often adopt the stay wire to pass through the commercial power supply, or through the battery power supply, unable make full use of outdoor solar energy, warning device among the prior art generally adopts the design of loading and unloading, after the installation is accomplished, can't adjust its height, and dismantle inconveniently, it is very hard when using and need transportation after finishing. Therefore, it is necessary to design a novel electric power engineering construction safety warning device.
Disclosure of Invention
The utility model aims to provide a construction safety warning device for electric power engineering, which has a simple structure, can realize construction safety warning, can fully utilize solar energy, has a damping function and is convenient to move and use.
In order to achieve the above object, the present utility model provides the following solutions:
an electrical engineering construction safety warning device, comprising: the solar energy power supply device comprises an installation box body, a damping component, a height adjusting component, a first rotating component, an alarming component, a second rotating component, an adjustable solar energy power supply module and a controller, wherein the damping component is arranged on the outer side of the installation box body;
the warning subassembly includes photosensitive sensor, warning box and display element, the top of first rotating assembly sets up the warning box, the four sides of warning box all set up the display element, the lateral part of warning box sets up photosensitive sensor, photosensitive sensor is used for gathering the strong and weak change of outside environment light, the top center of warning box sets up the second rotating assembly, photosensitive sensor and display element electric connection the controller.
Optionally, the bradyseism subassembly includes bradyseism board and bradyseism spring, the four sides of installation box evenly set up the multiunit bradyseism spring, bradyseism spring coupling the bradyseism board for the striking that receives the installation box is bradyseism.
Optionally, the altitude mixture control subassembly includes first rotating electrical machines, first threaded rod, first screw thread piece, second rotating electrical machines, second threaded rod, second screw thread piece, telescopic bracket, first fixed plate and second fixed plate, the interior bottom fixed setting of installation box first fixed plate, the top both sides of first fixed plate set up respectively first rotating electrical machines and second rotating electrical machines, the top center of first fixed plate corresponds first rotating electrical machines and second rotating electrical machines set up first rotating member and second rotating member, the output of first rotating electrical machines with set up between the first rotating electrical machines first threaded rod, the output of second rotating electrical machines with set up between the second rotating electrical machines the second threaded rod, threaded connection on the first screw thread piece, threaded connection on the second threaded rod the second screw thread piece, the top of first fixed plate is provided with the spout for supply first screw thread piece and second screw thread piece to slide, first rotating electrical machines and second rotating electrical machines with second rotating electrical machines set up between the second rotating electrical machines the second threaded rod with the second screw thread piece sets up between the second rotating electrical machines the second threaded rod, the second fixed plate sets up the second screw thread piece, the second sliding electrical machines sets up the top fixed plate.
Optionally, the first rotating assembly is a third rotating motor, the top center of the second fixing plate is provided with the third rotating motor, the output end of the third rotating motor is fixedly provided with the warning box body, and the third rotating motor is electrically connected with the controller.
Optionally, the second rotating assembly is a fourth rotating motor, the center of the top of the warning box body is fixedly provided with the fourth rotating motor, the output end of the fourth rotating motor is provided with the adjustable solar module, and the fourth rotating motor is electrically connected with the controller.
Optionally, the adjustable solar module comprises a base, a U-shaped bracket, a solar panel, an electric energy conversion storage module, a storage battery, a fifth rotating motor, a third threaded rod, a third threaded block, a third rotating member, a sliding rod and a sliding block, wherein the base is fixedly arranged at the output end of the fourth rotating motor, the U-shaped bracket is arranged on the right side of the top of the base, the opening end of the U-shaped bracket is leftwards, two groups of the fifth rotating motor are fixedly arranged at the front side and the rear side of the top of the U-shaped bracket, the output end of the fifth rotating motor is downwards and penetrates through the top of the U-shaped bracket, the third threaded rod is arranged between the output end of the U-shaped bracket and the third rotating member, the third threaded rod is in threaded connection with the third threaded block, the left side of the third threaded block is respectively and rotatably connected with the front side and the rear side of the solar panel, two groups of the base are fixedly arranged at the front side and the rear side of the right side of the solar panel, the first sliding block is connected with the front side and the rear side of the storage battery, the first sliding block is correspondingly arranged at the top of the bottom of the U-shaped bracket, the solar module is connected with the first sliding block, the first sliding block is connected with the two sides of the storage battery, the first sliding block is respectively, the first sliding block is connected with the two sides of the storage battery is fixedly arranged at the top of the storage battery, the storage battery is respectively, and the storage module is connected with the storage battery is in the front side of the storage battery is in the storage battery, and the storage module is in the storage box, and the storage battery is in the storage box is in the storage battery is in the storage box and the storage box is in the storage battery is in the storage state in the storage battery and the storage state in the storage battery is in the storage state and the storage battery and the storage state in the storage battery and the storage state and the storage battery and the storage. The fifth rotating motor and the electric energy conversion storage module are electrically connected with the controller.
Optionally, universal wheels and brake pads are arranged at the bottom of the installation box body, and reflective warning strips are uniformly arranged on the cushioning plates.
According to the specific embodiment provided by the utility model, the utility model discloses the following technical effects: the utility model provides a power engineering construction safety warning device which comprises a mounting box body, a damping component, a height adjusting component, a first rotating component, a warning component, a second rotating component, an adjustable solar power supply module and a controller, wherein the damping component can damp the device when the device is impacted, the device is prevented from being damaged, the height of the device can be adjusted through the height adjusting module, the device can be retracted into the mounting box body when the device is not used, the device can be protected without disassembly, the transportation is convenient, the angle of the warning component can be adjusted through the first rotating component, the orientation of the adjustable solar power supply module can be adjusted through the second rotating component, the angle of a solar cell panel can be adjusted through the adjustable solar power supply module, and further solar power supply is fully utilized.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a safety warning device for electric power engineering construction according to an embodiment of the utility model;
FIG. 2 is a schematic view of a cushioning assembly;
fig. 3 is a schematic view of a height adjustment assembly.
Reference numerals: 1. installing a box body; 2. a cushioning assembly; 3. a reflective warning strip; 4. a height adjustment assembly; 5. a third rotary electric machine; 6. a warning box body; 7. a display assembly; 8. a fourth rotating electrical machine; 9. a base; 10. a U-shaped bracket; 11. a fifth rotating electric machine; 12. a third rotating member; 13. a third threaded rod; 14. a third threaded block; 15. a solar cell panel; 16. a second limiting block; 17. a first limiting block; 18. a slide block; 19. a shock absorbing plate; 20. a damping spring; 21. a first fixing plate; 22. a first rotating electric machine; 23. a first threaded rod; 24. a first threaded block; 25. a second rotating electric machine; 26. a second threaded rod; 27. a second threaded block; 28. a telescopic bracket; 29. a sliding block; 30. a second fixing plate; 31. a universal wheel; 32. a brake pad.
Detailed Description
The utility model aims to provide a construction safety warning device for electric power engineering, which has a simple structure, can realize construction safety warning, can fully utilize solar energy, has a damping function and is convenient to move and use.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1, the power engineering construction safety warning device provided by the embodiment of the utility model includes: the solar energy power supply device comprises an installation box body 1, a cushioning component 2, a height adjusting component 4, a first rotating component, a warning component, a second rotating component, an adjustable solar energy power supply module and a controller, wherein the cushioning component 2 is arranged on the outer side of the installation box body 1, the height adjusting component 4 is arranged in the installation box body 1, the top of the installation box body 1 is correspondingly provided with a hole in the height adjusting component 4, the center of the top of the height adjusting component 4 is provided with the first rotating component, the top of the first rotating component is provided with the warning component, the top of the warning component is provided with the second rotating component, the top of the second rotating component is provided with the adjustable solar energy power supply module, and the height adjusting component 4, the first rotating component, the warning component, the second rotating component and the adjustable solar energy power supply module are electrically connected with the controller;
the warning subassembly includes photosensitive sensor, warning box 6 and display element 7, the top of first rotating assembly sets up warning box 6, the four sides of warning box 6 all set up display element 7, the lateral part of warning box 6 sets up photosensitive sensor, photosensitive sensor is used for gathering the strong and weak change of outside environment light, the top center of warning box 6 sets up second rotating assembly, photosensitive sensor and display element electric connection the controller, when using, photosensitive sensor gathers the strong and weak change of outside environment light to send it to the controller, the controller adjusts the luminance of display element 7 according to it, and display element 7 optional display screen also optional only shows the display panel of typeface.
The device can set up control switch and wireless communication module according to specific demand, wherein, control switch connects the controller, and the controller passes through wireless communication module communication connection mobile terminal, realizes the control to the controller through control switch or mobile terminal, and then realizes the control to each subassembly.
The device can also set up the voice broadcast module, realizes voice broadcast warning, and the voice broadcast module adopts among the prior art conventional means can, and electric connection the controller.
As shown in fig. 2, the cushioning component 2 includes a cushioning plate 19 and cushioning springs 20, multiple groups of cushioning springs 20 are uniformly disposed on four sides of the mounting box 1, and the cushioning springs 20 are connected with the cushioning plate 19 and used for cushioning impact received by the mounting box 1, when the impact is received, the cushioning plate 19 compresses the cushioning springs 20 and unloads force, so that direct hard collision is prevented, and the cushioning plate 19 can be a rubber plate or the like.
As shown in fig. 3, the height adjusting assembly comprises a first rotary motor 22, a first threaded rod 23, a first threaded block 24, a second rotary motor 25, a second threaded rod 26, a second threaded block 27, a telescopic bracket 28, a first fixing plate 21 and a second fixing plate 30, wherein the first fixing plate 21 is fixedly arranged at the inner bottom of the installation box 1, the first rotary motor 22 and the second rotary motor 25 are respectively arranged at the two sides of the top of the first fixing plate 21, a first rotary member and a second rotary member are arranged at the top center of the first fixing plate 21 corresponding to the first rotary motor 22 and the second rotary motor 25, the first threaded rod 23 is arranged between the output end of the first rotary motor 22 and the first rotary member, the second threaded rod 26 is arranged between the output end of the second rotary motor 25 and the second rotary member, the first threaded rod 23 is in threaded connection with the first threaded block 24, the second threaded rod 26 is in threaded connection with the second threaded block 27, a chute is arranged at the top of the first fixing plate 21 and used for sliding the first threaded block 24 and the second threaded block 27, the tops of the first threaded block 24 and the second threaded block 27 are rotationally connected with the bottom of the telescopic bracket 28, two groups of sliding blocks 29 are arranged at two sides of the top of the telescopic bracket 28, a chute is arranged at the bottom of the second fixing plate 30, the sliding blocks 29 are in sliding connection with the bottom of the second fixing plate 30 through the chute, the top of the mounting box 1 corresponds to the opening of the second fixing plate 30 and is used for allowing the second fixing plate 30 to pass through, the center of the top of the second fixing plate 30 is fixedly provided with the first rotating assembly, the first rotary motor 22 and the second rotary motor 25 are electrically connected with the controller;
when the height adjusting assembly is used, the controller controls the first rotating motor 22 and the second rotating motor 25 to rotate, drives the two threaded rods to rotate, and further drives the two threaded blocks to approach or separate, the rotation direction of the first rotating motor 22 and the second rotating motor 25 can be set, and the rotation direction of the threaded rods can also be set, so that the height adjusting assembly is realized.
As shown in fig. 1, the first rotating assembly is a third rotating motor 5, the top center of the second fixing plate 30 is provided with the third rotating motor 5, the output end of the third rotating motor 5 is fixedly provided with the warning box 6, the third rotating motor 5 is electrically connected with the controller, and the controller controls the third rotating motor 5 to rotate according to specific requirements so as to drive the warning box 6 to reach a proper position.
The second rotating assembly is a fourth rotating motor 8, the center of the top of the warning box 6 is fixedly provided with the fourth rotating motor 8, the output end of the fourth rotating motor 8 is provided with the adjustable solar module, and the fourth rotating motor 8 is electrically connected with the controller.
The adjustable solar module comprises a base 9, a U-shaped bracket 10, a solar panel 15, an electric energy conversion storage module, a storage battery, a fifth rotating motor 11, a third threaded rod 13, a third threaded block 14, a third rotating member 12, a sliding rod and a sliding block 18, wherein the base 9 is fixedly arranged at the output end of the fourth rotating motor 8, the U-shaped bracket 10 is arranged on the right side of the top of the base 9, the opening end of the U-shaped bracket 10 is leftwards, two groups of fifth rotating motors 11 are fixedly arranged at the front side and the rear side of the top of the U-shaped bracket 10, the output end of the fifth rotating motor 11 is downwards and penetrates through the top of the U-shaped bracket 10, the third rotating member 12 is arranged at the top of the bottom end of the U-shaped bracket 10 corresponding to the fifth rotating motor 11, the third threaded rod 13 is arranged between the output end of the fifth rotating motor 11 and the third rotating member 12, the third threaded rod 13 is connected with the third threaded block 14 through threads, the left sides of the front and rear groups of the third threaded blocks 14 are respectively connected with the front and rear sides of the right side of the solar cell panel 15 in a rotating mode, the front and rear sides of the left side of the top of the base 9 are provided with the first limiting block 17, the right side of the first limiting block 17 is provided with the second limiting block 16 corresponding to the first limiting block 17, a sliding rod is fixedly arranged between the first limiting block 17 and the second limiting block 16, the sliding rod is connected with the sliding block 18 in a sliding mode, the tops of the front and rear groups of the sliding blocks 18 are respectively connected with the front and rear sides of the left side of the solar cell panel 15 in a rotating mode, the solar cell panel 15 is connected with the storage battery through an electric energy conversion storage module and used for charging the storage battery, the storage battery is used for supplying power to all components, the storage battery, the electric energy conversion storage module and the controller are arranged in the installation box body, and the fifth rotating motor 11 and the electric energy conversion storage module are electrically connected with the controller.
The use process of the second rotating assembly combined with the adjustable solar module is as follows: firstly, it is to be noted that the utility model can be used in combination with a photosensitive sensor, and according to illumination information collected by the photosensitive sensor, the adjustable solar module can be further adjusted in real time, and also can be directly combined with local weather conditions and time, different time periods are set, and each time period controls the adjustable solar module to face a fixed direction and has a fixed angle; in addition, the electric energy conversion storage module adopts the conventional module that charges can, can supply power to the battery through solar cell panel, the battery adopts removable design, when illumination is not enough, can directly change the battery, prevent that the electric power is not enough, also can additionally set up the commercial power and supply power, when illumination is not enough, adopts the commercial power to supply power, when using, if need adjust adjustable solar module's orientation, then control fourth rotating electrical machines 8 is rotatory, drive base 9 and rotate to suitable direction, if need adjust solar cell panel's 15 angle, then controller control fifth rotating electrical machines 11 is rotatory, drive the upper and lower removal of third screw thread piece 14, drive slider 18 and control and remove, realize the angle modulation to solar cell panel 15.
The bottom of the installation box body 1 is provided with universal wheels 31 and brake pads 32, and the shock absorbing plate 19 is uniformly provided with reflective warning strips 3.
The utility model provides a power engineering construction safety warning device which comprises a mounting box body, a damping component, a height adjusting component, a first rotating component, a warning component, a second rotating component, an adjustable solar power supply module and a controller, wherein the damping component can damp the device when the device is impacted, the device is prevented from being damaged, the height of the device can be adjusted through the height adjusting module, the device can be retracted into the mounting box body when the device is not used, the device can be protected without disassembly, the transportation is convenient, the angle of the warning component can be adjusted through the first rotating component, the orientation of the adjustable solar power supply module can be adjusted through the second rotating component, the angle of a solar cell panel can be adjusted through the adjustable solar power supply module, and further solar power supply is fully utilized.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present utility model and the core ideas thereof; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (7)
1. The utility model provides an electric power engineering construction safety warning device which characterized in that includes: the solar energy power supply device comprises an installation box body, a damping component, a height adjusting component, a first rotating component, an alarming component, a second rotating component, an adjustable solar energy power supply module and a controller, wherein the damping component is arranged on the outer side of the installation box body;
the warning subassembly includes photosensitive sensor, warning box and display element, the top of first rotating assembly sets up the warning box, the four sides of warning box all set up the display element, the lateral part of warning box sets up photosensitive sensor, photosensitive sensor is used for gathering the strong and weak change of outside environment light, the top center of warning box sets up the second rotating assembly, photosensitive sensor and display element electric connection the controller.
2. The power engineering construction safety warning device according to claim 1, wherein the damping component comprises damping plates and damping springs, a plurality of groups of damping springs are uniformly arranged on four sides of the installation box body, and the damping springs are connected with the damping plates and used for damping impact received by the installation box body.
3. The electric power engineering construction safety warning device according to claim 1, wherein the height adjusting assembly comprises a first rotating motor, a first threaded rod, a first threaded block, a second rotating motor, a second threaded rod, a second threaded block, a telescopic bracket, a first fixing plate and a second fixing plate, the first fixing plate is fixedly arranged at the inner bottom of the installation box body, the first rotating motor and the second rotating motor are respectively arranged at the two sides of the top of the first fixing plate, a first rotating member and a second rotating member are arranged at the top center of the first fixing plate corresponding to the first rotating motor and the second rotating motor, a first threaded rod is arranged between the output end of the first rotating motor and the first rotating member, the second threaded rod is arranged between the output end of the second rotating motor and the second rotating member, the first threaded rod is connected with the first threaded block, the second threaded block is connected with the second threaded rod, a sliding groove is arranged at the top of the first fixing plate, a sliding groove is formed in the top of the first fixing plate and is used for enabling the first rotating motor and the second rotating motor to be connected with the second rotating member, a sliding block is arranged at the bottom of the second rotating plate, a sliding block is connected with the sliding block is arranged at the sliding block, and the sliding block is arranged at the sliding block.
4. The power engineering construction safety warning device according to claim 3, wherein the first rotating assembly is a third rotating motor, the third rotating motor is arranged in the center of the top of the second fixing plate, the warning box is fixedly arranged at the output end of the third rotating motor, and the third rotating motor is electrically connected with the controller.
5. The power engineering construction safety warning device according to claim 4, wherein the second rotating assembly is a fourth rotating motor, the fourth rotating motor is fixedly arranged at the center of the top of the warning box body, the adjustable solar power supply module is arranged at the output end of the fourth rotating motor, and the fourth rotating motor is electrically connected with the controller.
6. The electric power engineering construction safety warning device according to claim 5, wherein the adjustable solar power supply module comprises a base, a U-shaped bracket, a solar panel, an electric energy conversion storage module, a storage battery, a fifth rotating motor, a third threaded rod, a third threaded block, a third rotating member, a slide bar and a sliding block, wherein the base is fixedly arranged at the output end of the fourth rotating motor, the U-shaped bracket is arranged at the right side of the top of the base, the opening end of the U-shaped bracket is leftwards, two groups of fifth rotating motors are fixedly arranged at the front and rear sides of the top of the U-shaped bracket, the output end of the fifth rotating motor is downwards, and penetrates through the top of the U-shaped bracket, the top of the bottom end of the U-shaped bracket corresponds to the third rotating member, the third threaded rod is arranged between the output end of the fifth rotating motor and the third rotating member, the third threaded rod is in threaded connection with the third threaded block, the two groups of solar power conversion storage battery packs are respectively connected at the left side and right side of the third threaded block, the two groups of solar power conversion storage battery packs are respectively connected at the right side of the top of the first rotating motor, the two groups of solar battery packs are respectively connected at the front and rear side of the top of the solar power conversion storage battery packs are respectively, and the two sides of the solar power conversion storage battery packs are respectively arranged at the top of the top rotating battery packs are respectively, and the top of the solar power conversion battery packs are respectively connected to the top and the top of the top rotating The electric energy conversion storage module and the controller are arranged in the installation box body, and the fifth rotating motor and the electric energy conversion storage module are electrically connected with the controller.
7. The power engineering construction safety warning device according to claim 2, wherein universal wheels and brake pads are arranged at the bottom of the installation box body, and reflective warning strips are uniformly arranged on the damping plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321465229.3U CN220414048U (en) | 2023-06-09 | 2023-06-09 | Electric power engineering construction safety warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321465229.3U CN220414048U (en) | 2023-06-09 | 2023-06-09 | Electric power engineering construction safety warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220414048U true CN220414048U (en) | 2024-01-30 |
Family
ID=89646070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321465229.3U Active CN220414048U (en) | 2023-06-09 | 2023-06-09 | Electric power engineering construction safety warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220414048U (en) |
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2023
- 2023-06-09 CN CN202321465229.3U patent/CN220414048U/en active Active
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