CN114204332B - Signal transmission protection module based on electric power internet of things - Google Patents
Signal transmission protection module based on electric power internet of things Download PDFInfo
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- CN114204332B CN114204332B CN202111351481.7A CN202111351481A CN114204332B CN 114204332 B CN114204332 B CN 114204332B CN 202111351481 A CN202111351481 A CN 202111351481A CN 114204332 B CN114204332 B CN 114204332B
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- signal transmission
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- meshing rack
- transmission pipe
- toothed belt
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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Abstract
The invention discloses a signal transmission protection module based on an electric power internet of things, which comprises a signal transmission pipe, wherein one end of the signal transmission pipe is fixedly connected with a connecting end, a data wire is arranged in the signal transmission pipe, the outer side of the signal transmission pipe is fixedly connected with a first side meshing rack and a second side meshing rack, a main limiting cylinder is sleeved outside the signal transmission pipe, the outer side of the main limiting cylinder is fixedly connected with a side connecting rod, one end of the side connecting rod is fixedly connected with a fixed mounting plate, a fastening bolt is connected onto the fixed mounting plate, and a protection mechanism for controlling the connection of the signal transmission pipe is connected onto the fixed mounting plate. The invention adopts a mechanical structure to realize the connection and disconnection of signal transmission, meets the requirement of protecting the signal transmission when a large amount of signals are transmitted in the electric power internet of things, and can timely control the switching cylinder to complete the separation of the connecting end head and the connecting interface in the signal transmission pipe when the signal transmission is required to be protected, stop the signal transmission and complete the protection measures.
Description
Technical Field
The invention relates to the technical field of power internet of things modules, in particular to a signal transmission protection module based on the power internet of things.
Background
The electric power internet of things is an application of the internet of things in the smart grid, is a result of development of information communication technology to a certain stage, effectively integrates communication infrastructure resources and electric power system infrastructure resources, improves informatization level of the electric power system, improves utilization efficiency of the existing infrastructure of the electric power system, and provides important technical support for links such as power grid generation, power transmission, power transformation, power distribution and power consumption. The electric power internet of things refers to network signals formed by high technologies, and the network signals are distributed around life like a spider web. The information sharing method is in virtual network, information sharing in high technology is the same as hundred degrees encyclopedia, and the information sharing times are realized by fully utilizing artificial intelligence, information inquiry and the like. The Internet of things originates from the media field and is the third revolution of the information technology industry. The internet of things refers to connecting any object with a network through information sensing equipment according to a stipulated protocol, and carrying out information exchange and communication on the object through an information transmission medium so as to realize the functions of intelligent identification, positioning, tracking, supervision and the like. The internet of things refers to ubiquitous terminal equipment and facilities, including sensors with 'internal intelligence', mobile terminals, industrial systems, building control systems, household intelligent facilities, video monitoring systems and the like, and 'external enabled', such as 'intelligent objects or animals' or 'intelligent dust' of various assets attached with RFID, individuals and vehicles carrying wireless terminals and the like, the internet of things domain name is connected through various wireless and/or wired long-distance and/or short-distance communication networks to realize interconnection and intercommunication, large integration of application, saaS operation and the like based on cloud computing, and the management and service functions of 'everything' are realized by adopting proper information security guarantee mechanisms under the environments of an intranet, a private network and/or the Internet, such as real-time online monitoring, positioning, alarm linkage, scheduling command, pre-case management, remote control, security protection, remote maintenance, online upgrading, statistics report, decision support, centralized display and the like, so that the management, control and marketing of 'everything' are integrated.
The data interface transmission is adopted in the signal transmission, and the problem of lack of necessary protection modules for the safety of the signal transmission is solved, so that the disconnection operation can be automatically carried out when the signal transmission structure is required to be disconnected, the manual plugging signal transmission interface is adopted in the actual disconnection of the signal transmission, the accurate self-protection measure is difficult to carry out on the signal transmission under the unmanned operation for the high-density transmission of big data in the electric power Internet of things, namely the disconnection of the signal transmission interface is completed by the lack of an external mechanical mechanism in the aspect of the existing signal transmission.
Disclosure of Invention
The invention aims at: in order to solve the problems, the signal transmission protection module based on the electric power internet of things is provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a signal transmission protection module based on electric power thing networking, includes the signal transmission pipe, signal transmission pipe one end fixedly connected with connection end, be provided with the data line in the signal transmission pipe, signal transmission pipe outside fixedly connected with side meshing rack one and side meshing rack two, signal transmission pipe outside cover is equipped with main spacing section of thick bamboo, main spacing section of thick bamboo outside fixedly connected with side connecting rod, side connecting rod one end fixedly connected with fixed mounting plate, be connected with fastening bolt on the fixed mounting plate, be connected with the protection machanism of control signal transmission union coupling on the fixed mounting plate.
Preferably, the protection mechanism comprises a side half gear, the lower end of the side half gear is fixedly connected with a telescopic column, a damping spring is sleeved outside the telescopic column, the upper end of the damping spring is fixedly connected with the lower end of the side half gear, the lower end of the damping spring is fixedly connected with a side limiting cylinder, the telescopic column penetrates through the side limiting cylinder and the fixed mounting plate, and the lower surface of the side limiting cylinder is mutually attached to the upper surface of the fixed mounting plate.
Preferably, the first side half gear is meshed with the first side meshing rack, the connecting column is fixedly connected with the upper end of the first side half gear, the toothed belt limiting plates are fixedly connected to the connecting column, the two toothed belt limiting plates are arranged, the side top gear is arranged between the toothed belt limiting plates, the side top gear is fixedly connected to the outer side of the connecting column, and the side top gear is connected with the connecting toothed belt in a meshed mode.
Preferably, the connecting toothed belt is arranged right above the signal transmission pipe, the connecting toothed belt is in meshed connection with a transmission gear, the upper end of the toothed belt limiting disc is fixedly connected with a limiting cover, a side unfolding plate is arranged between the limiting cover and the toothed belt limiting disc, the side unfolding plate is fixedly connected with a motor fixing sleeve, a rotating motor is arranged in the motor fixing sleeve, and the output end of the rotating motor is fixedly connected with the transmission gear.
Preferably, two side half gears are arranged, one of the side half gears is fixedly connected with a switching cylinder, one end of the switching cylinder is fixedly connected with an intermediate rotary disk, four switching cylinders are arranged, the four switching cylinders are uniformly arranged on the outer side of the telescopic column in a surrounding mode, the intermediate rotary disk is arranged between the side limiting cylinder and the fixed mounting plate, and the intermediate rotary disk is sleeved on the outer side of the telescopic column.
Preferably, the first side meshing rack and the second side meshing rack have different lengths, the first side meshing rack is shorter than the second side meshing rack, the two side half gears are arranged on a non-same plane, and the horizontal plane of the side half gear meshed with the second side meshing rack is higher than that of the other side half gear.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. this application is through adopting side meshing rack one and side meshing rack two structures, when normally needing the transmission signal, it is rotatory to drive side half gear through rotating electrical machines, take place the displacement with the side meshing rack one of its meshing, make signal transmission pipe can follow the outside extension of main spacing section of thick bamboo, make connecting end and another signal transmission interface intercommunication, side meshing rack two and side half gear dislocation each other this moment, when needs are disconnected, the module receives disconnected signal, control switch cylinder makes its shrink, side half gear level decline, until side half gear takes place the meshing with side meshing rack two, drive side meshing rack two take place the opposite direction displacement along main spacing section of thick bamboo, the disconnected operation of connecting end has been accomplished promptly, make signal connection circuit disconnected, play the guard action to signal transmission.
2. According to the structure, the side unfolding plate structure is adopted, the positions of the toothed belt limiting plates on two sides of the rotating motor are limited by the side unfolding plate, the connecting toothed belt structure connected between the toothed belt limiting plates can be in a tight state, the relative positions of the two side half gears cannot be changed when the switching cylinder stretches and stretches, the structure is stable, when one side half gear and the side meshing rack are meshed with each other, the other side half gear cannot be meshed with the corresponding side meshing rack, the signal transmission tube can be always in a communicating or disconnecting state, and because the first length of the side meshing rack is different from the second length of the side meshing rack, the side half gear can be meshed with the corresponding side meshing rack when the upper position and the lower position of the side half gear are switched, the situation that the first side meshing rack on the signal transmission tube is separated from the side half gear cannot be meshed with the second side meshing rack is avoided, and the structure is reasonable.
Drawings
Fig. 1 is a schematic diagram showing an overall structure of a protection module according to an embodiment of the present invention;
fig. 2 shows an exploded view of a protection module according to an embodiment of the present invention;
fig. 3 is a schematic structural view showing a connection position of a rotating electric machine and a connecting toothed belt according to an embodiment of the present invention;
fig. 4 shows a schematic structural diagram of a switching cylinder connection provided according to an embodiment of the present invention;
fig. 5 shows a schematic structural diagram of a connection point of a connection end and a main limiting cylinder according to an embodiment of the present invention.
Legend description:
1. a signal transmission tube; 2. a connecting end; 3. a main limiting cylinder; 4. a data line; 5. a side connecting rod; 6. a fastening bolt; 7. a fixed mounting plate; 8. a side limiting cylinder; 9. a side half gear; 10. a telescopic column; 11. a side meshing rack I; 12. a connecting column; 13. toothed belt limit disc; 14. connecting a toothed belt; 15. a side top gear; 16. a limit cover; 17. a side deployment plate; 18. a motor fixing sleeve; 19. a rotating electric machine; 20. a middle rotating disc; 21. switching the cylinder; 22. a damping spring; 23. a transmission gear; 24. and the side is meshed with the second rack.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides a signal transmission protection module based on electric power thing networking, including signal transmission pipe 1, signal transmission pipe 1 one end fixedly connected with connecting end 2, be provided with data line 4 in the signal transmission pipe 1, signal transmission pipe 1 outside fixedly connected with side meshing rack one 11 and side meshing rack two 24, signal transmission pipe 1 outside cover is equipped with main spacing section of thick bamboo 3, main spacing section of thick bamboo 3 outside fixedly connected with side connecting rod 5, side connecting rod 5 one end fixedly connected with fixed mounting plate 7, be connected with fastening bolt 6 on the fixed mounting plate 7, be connected with the protection machanism that control signal transmission pipe 1 connected on the fixed mounting plate 7. The protection mechanism comprises a side half gear 9, the lower end of the side half gear 9 is fixedly connected with a telescopic column 10, a damping spring 22 is sleeved outside the telescopic column 10, the upper end of the damping spring 22 is fixedly connected with the lower end of the side half gear 9, the lower end of the damping spring 22 is fixedly connected with a side limiting cylinder 8, the telescopic column 10 penetrates through the side limiting cylinder 8 and the fixed mounting plate 7, and the lower surface of the side limiting cylinder 8 is mutually attached to the upper surface of the fixed mounting plate 7. The side half gear 9 and the side meshing rack I11 are meshed with each other, the upper end of the side half gear 9 is fixedly connected with a connecting column 12, the connecting column 12 is fixedly connected with toothed belt limiting plates 13, two toothed belt limiting plates 13 are arranged, a side top gear 15 is arranged between the toothed belt limiting plates 13, the side top gear 15 is fixedly connected to the outer side of the connecting column 12, and the side top gear 15 is in meshed connection with a connecting toothed belt 14. The connecting toothed belt 14 is arranged right above the signal transmission tube 1, the connecting toothed belt 14 is in meshed connection with a transmission gear 23, the upper end of the toothed belt limiting disc 13 is fixedly connected with a limiting cover 16, a side unfolding plate 17 is arranged between the limiting cover 16 and the toothed belt limiting disc 13, the side unfolding plate 17 is fixedly connected with a motor fixing sleeve 18, a rotating motor 19 is arranged in the motor fixing sleeve 18, and the output end of the rotating motor 19 is fixedly connected with the transmission gear 23. The side half gears 9 are provided with two, wherein one side half gear 9 lower extreme fixedly connected with switches cylinder 21, switch cylinder 21 one end fixedly connected with middle rotary disk 20, switch cylinder 21 is provided with four, four switch cylinders 21 evenly encircle the setting in the telescopic column 10 outside, middle rotary disk 20 sets up between side limit section of thick bamboo 8 and fixed mounting panel 7, middle rotary disk 20 cover is established in the telescopic column 10 outside. The length of the side meshing rack I11 is different from that of the side meshing rack II 24, the side meshing rack I11 is shorter than that of the side meshing rack II 24, the two side half gears 9 are arranged on the non-same plane, and the horizontal plane of the side half gear 9 meshed with the side meshing rack II 24 is higher than that of the other side half gear 9.
Specifically, as shown in fig. 1, a signal transmission protection module based on electric power thing networking, including signal transmission pipe 1, signal transmission pipe 1 one end fixedly connected with connection end 2, be provided with data line 4 in the signal transmission pipe 1, signal transmission pipe 1 outside fixedly connected with side meshing rack one 11 and side meshing rack two 24, signal transmission pipe 1 outside cover is equipped with main spacing section of thick bamboo 3, main spacing section of thick bamboo 3 outside fixedly connected with side connecting rod 5, side connecting rod 5 one end fixedly connected with fixed mounting plate 7, be connected with fastening bolt 6 on the fixed mounting plate 7, be connected with the protection machanism that control signal transmission pipe 1 connected on the fixed mounting plate 7, utilize mechanical mechanism to replace artifical plug signal transmission pipe 1, can realize regularly disconnected signal transmission, disconnected accuracy is high, protection signal transmission process that can be accurate.
Specifically, as shown in fig. 2, the protection mechanism comprises a side half gear 9, the lower end of the side half gear 9 is fixedly connected with a telescopic column 10, a damping spring 22 is sleeved outside the telescopic column 10, the upper end of the damping spring 22 is fixedly connected with the lower end of the side half gear 9, the lower end of the damping spring 22 is fixedly connected with a side limiting cylinder 8, the telescopic column 10 penetrates through the side limiting cylinder 8 and the fixed mounting plate 7, and the lower surface of the side limiting cylinder 8 is mutually attached to the upper surface of the fixed mounting plate 7. The side half gear 9 and the side meshing rack I11 are meshed with each other, the upper end of the side half gear 9 is fixedly connected with a connecting column 12, the connecting column 12 is fixedly connected with toothed belt limiting plates 13, two toothed belt limiting plates 13 are arranged, a side top gear 15 is arranged between the toothed belt limiting plates 13, the side top gear 15 is fixedly connected to the outer side of the connecting column 12, and the side top gear 15 is in meshed connection with a connecting toothed belt 14. The connecting toothed belt 14 is arranged right above the signal transmission tube 1, the connecting toothed belt 14 is in meshed connection with a transmission gear 23, the upper end of the toothed belt limiting disc 13 is fixedly connected with a limiting cover 16, a side unfolding plate 17 is arranged between the limiting cover 16 and the toothed belt limiting disc 13, a motor fixing sleeve 18 is fixedly connected to the side unfolding plate 17, a rotating motor 19 is arranged in the motor fixing sleeve 18, the transmission gear 23 is fixedly connected to the output end of the rotating motor 19, a structure of a side meshing rack I11 and a side meshing rack II 24 is adopted, when a signal is normally required to be transmitted, the rotating motor 19 drives the side half gear 9 to rotate, the meshed side meshing rack I11 is displaced, the signal transmission tube 1 can extend outwards along the main limiting cylinder 3, the connecting end 2 is communicated with another signal transmission interface, at the moment, the side meshing rack II 24 and the side half gear 9 are staggered with each other, when the signal is required to be disconnected, the module receives a disconnection signal, the switching cylinder 21 is controlled to shrink, the level of the side half gear 9 is lowered until the side half gear 9 is meshed with the side meshing rack II 24, the side meshing rack II 24 is driven to drive the side meshing rack II 24 to displace along the main limiting cylinder 3, and the signal transmission end 2 is reversely displaced, and the signal transmission end is connected, and the signal transmission end is protected, and the signal transmission end is connected.
Specifically, as shown in fig. 4, two side half gears 9 are provided, wherein the lower end of one side half gear 9 is fixedly connected with a switching cylinder 21, one end of the switching cylinder 21 is fixedly connected with an intermediate rotary disk 20, the switching cylinders 21 are provided with four, the four switching cylinders 21 are uniformly and circumferentially arranged on the outer side of the telescopic column 10, the intermediate rotary disk 20 is arranged between the side limiting cylinder 8 and the fixed mounting plate 7, and the intermediate rotary disk 20 is sleeved on the outer side of the telescopic column 10. The length of the side meshing rack I11 is different from that of the side meshing rack II 24, the side meshing rack I11 is shorter than that of the side meshing rack II 24, the two side half gears 9 are arranged on a non-same plane, the horizontal plane of the side half gears 9 meshed with the side meshing rack II 24 is higher than that of the other side half gears 9, the side unfolding plate 17 is used for limiting the positions of the toothed belt limiting plates 13 on the two sides of the rotating motor 19, the structure of the connecting toothed belt 14 connected between the toothed belt limiting plates 13 can be in a tight state, the relative positions of the two side half gears 9 cannot be changed during telescopic operation of the switching cylinder 21, the structure has stability, when one side half gear 9 and the side meshing rack II are meshed with each other, the other side half gear 9 cannot be meshed with the corresponding side meshing rack, so that the signal transmission tube 1 can be always in a communicating or disconnecting state, and because the length of the side meshing rack I11 and the side meshing rack II 24 is different, the situation that the side half gears 11 and the corresponding side meshing rack II are meshed with each other when the upper and lower positions are switched is guaranteed, the situation that the side half gears 9 on the signal transmission tube 1 cannot be meshed with the other side half gears 9 is completely when the side half gears 9 is separated from each other is guaranteed, and the situation that the side half gears 9 on the side transmission tube 1 is not meshed with the other side half gears is completed.
In summary, the signal transmission protection module based on the electric power internet of things provided by the embodiment adopts the mechanical structure to realize connection and disconnection of signal transmission, so that when a large amount of signal transmission in the electric power internet of things is satisfied, the requirement of protecting the signal transmission is needed, and when the signal transmission is needed to be protected, the switching cylinder 21 can be controlled in time to complete separation of the connecting end 2 and the connecting interface in the signal transmission pipe 1, signal transmission is stopped, and protection measures are completed.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a signal transmission protection module based on electric power thing networking, includes signal transmission pipe (1), its characterized in that, signal transmission pipe (1) one end fixedly connected with connecting end (2), be provided with data line (4) in signal transmission pipe (1), signal transmission pipe (1) outside fixedly connected with side meshing rack one (11) and side meshing rack two (24), signal transmission pipe (1) outside cover is equipped with main spacing section of thick bamboo (3), main spacing section of thick bamboo (3) outside fixedly connected with side connecting rod (5), side connecting rod (5) one end fixedly connected with fixed mounting plate (7), be connected with fastening bolt (6) on fixed mounting plate (7), be connected with the protection machanism that control signal transmission pipe (1) is connected with on fixed mounting plate (7);
the protection mechanism comprises a side half gear (9), a telescopic column (10) is fixedly connected to the lower end of the side half gear (9), a damping spring (22) is sleeved outside the telescopic column (10), the upper end of the damping spring (22) is fixedly connected to the lower end of the side half gear (9), a side limiting cylinder (8) is fixedly connected to the lower end of the damping spring (22), the telescopic column (10) penetrates through the side limiting cylinder (8) and the fixed mounting plate (7), and the lower surface of the side limiting cylinder (8) and the upper surface of the fixed mounting plate (7) are mutually attached.
2. The signal transmission protection module based on the electric power internet of things according to claim 1, wherein the side half gears (9) are meshed with the side meshing rack I (11), the upper ends of the side half gears (9) are fixedly connected with connecting columns (12), toothed belt limiting plates (13) are fixedly connected to the connecting columns (12), two toothed belt limiting plates (13) are arranged, side top gears (15) are arranged between the toothed belt limiting plates (13), the side top gears (15) are fixedly connected to the outer sides of the connecting columns (12), and connecting toothed belts (14) are meshed and connected to the side top gears (15).
3. The signal transmission protection module based on the electric power internet of things according to claim 2, wherein the connecting toothed belt (14) is arranged right above the signal transmission pipe (1), the connecting toothed belt (14) is connected with a transmission gear (23) in a meshed mode, the upper end of the toothed belt limiting disc (13) is fixedly connected with a limiting cover (16), a side unfolding plate (17) is arranged between the limiting cover (16) and the toothed belt limiting disc (13), the side unfolding plate (17) is fixedly connected with a motor fixing sleeve (18), a rotary motor (19) is arranged in the motor fixing sleeve (18), and the output end of the rotary motor (19) is fixedly connected with the transmission gear (23).
4. The signal transmission protection module based on the electric power internet of things according to claim 3, wherein two side half gears (9) are arranged, one of the side half gears (9) is fixedly connected with a switching cylinder (21), one end of the switching cylinder (21) is fixedly connected with an intermediate rotary disk (20), the four switching cylinders (21) are arranged, the four switching cylinders (21) are uniformly and circumferentially arranged on the outer side of a telescopic column (10), the intermediate rotary disk (20) is arranged between a side limiting cylinder (8) and a fixed mounting plate (7), and the intermediate rotary disk (20) is sleeved on the outer side of the telescopic column (10).
5. The signal transmission protection module based on the electric power internet of things according to claim 4, wherein the first side meshing rack (11) and the second side meshing rack (24) are different in length, the first side meshing rack (11) is shorter than the second side meshing rack (24), the two side half gears (9) are arranged on the same plane, and the horizontal plane of the side half gear (9) meshed with the second side meshing rack (24) is higher than that of the other side half gear (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111351481.7A CN114204332B (en) | 2021-11-16 | 2021-11-16 | Signal transmission protection module based on electric power internet of things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111351481.7A CN114204332B (en) | 2021-11-16 | 2021-11-16 | Signal transmission protection module based on electric power internet of things |
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| CN114204332A CN114204332A (en) | 2022-03-18 |
| CN114204332B true CN114204332B (en) | 2023-05-26 |
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| CN112211470A (en) * | 2020-10-21 | 2021-01-12 | 牛桂平 | Intelligent telegraph pole with 5G signal transmission protection structure |
| CN113410710A (en) * | 2021-05-22 | 2021-09-17 | 王晓磊 | Cable connector and cable device |
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| GB8908695D0 (en) * | 1989-04-18 | 1989-06-07 | Goodwin W J | Shutter securing means |
| JP2004151860A (en) * | 2002-10-29 | 2004-05-27 | Alps Electric Co Ltd | Card attachment unit |
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| CN114204332A (en) | 2022-03-18 |
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