CN114204332A - Signal transmission protection module based on electric power thing networking - Google Patents
Signal transmission protection module based on electric power thing networking Download PDFInfo
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- CN114204332A CN114204332A CN202111351481.7A CN202111351481A CN114204332A CN 114204332 A CN114204332 A CN 114204332A CN 202111351481 A CN202111351481 A CN 202111351481A CN 114204332 A CN114204332 A CN 114204332A
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- signal transmission
- fixedly connected
- meshing rack
- gear
- transmission pipe
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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
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 line is arranged in the signal transmission pipe, the outer side of the signal transmission pipe is fixedly connected with a side meshing rack I and a side meshing rack II, a main limiting cylinder is sleeved on the outer side of the signal transmission pipe, a side connecting rod is fixedly connected on the outer side of the main limiting cylinder, 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 mechanical structure is adopted to realize connection and disconnection of signal transmission, the requirement that signal transmission needs to be protected when a large number of signals are transmitted in the power internet of things is met, and when the signal transmission needs to be protected, the switching cylinder can be controlled in time to complete separation of the connecting end and the connecting interface in the signal transmission pipe, stop signal transmission and complete 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 a power internet of things.
Background
The power internet of things is an application of the internet of things in a smart grid, is a result of information communication technology development to a certain stage, effectively integrates communication infrastructure resources and power system infrastructure resources, improves the informatization level of a power system, improves the utilization efficiency of the existing infrastructure of the power system, and provides important technical support for links such as power grid generation, transmission, transformation, distribution and power utilization. The power internet of things refers to network signals composed of high technologies and distributed around life like spider nets. The information sharing method is in a virtual network, information is shared in high technology, and in the information sharing era, the information sharing method fully utilizes artificial intelligence, information inquiry and the like to realize the information required to be inquired. The internet of things originates from the field of media and is the third revolution of the information technology industry. The internet of things is that any object is connected with a network through information sensing equipment according to an agreed protocol, and the object performs information exchange and communication through an information transmission medium so as to realize functions of intelligent identification, positioning, tracking, supervision and the like. The internet of things refers to ubiquitous terminal equipment and facilities, and comprises a sensor with 'internal intelligence', a mobile terminal, an industrial system, a building control system, a household intelligent facility, a video monitoring system and the like, and 'external enabling', such as various assets attached with RFID, intelligent objects or animals of individuals and vehicles carrying wireless terminals and the like or 'intelligent dust', the internet of things domain names are connected through various wireless and/or wired long-distance and/or short-distance communication networks to realize modes of interconnection, application large integration, SaaS operation based on cloud computing and the like, and under the environments of an intranet, a private network and/or the internet, a proper information safety guarantee mechanism is adopted to provide safe, controllable and personalized real-time online monitoring, positioning, alarm linkage, scheduling command, plan management, remote control, safety precaution, real-time online monitoring, positioning and tracking, alarm linkage, scheduling command, plan management, remote control and the like, The management and service functions of remote maintenance, online upgrade, statistical forms, decision support, leadership desktop centralized display and the like realize the integration of management, control and management of all things with high efficiency, energy conservation, safety and environmental protection.
Adopt data interface transmission more in signal transmission, and lack the problem of necessary protection module to signal transmission's safety for when needing disconnected signal transmission structure, can carry out the disconnected operation automatically, adopt artifical plug signal transmission interface more to signal transmission's disconnection in the reality, to the transmission of the high density of big data in the electric power thing networking, under no manual operation, hardly carry out accurate self-protection measure to signal transmission, lack external mechanical mechanism in the aspect of current signal transmission promptly and accomplish the disconnected of signal transmission interface.
Disclosure of Invention
The invention aims to: in order to solve the above problems, a signal transmission protection module based on the power internet of things is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a signal transmission protection module based on electric power thing networking, includes signal transmission pipe, signal transmission pipe one end fixedly connected with connects the 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 panel, the last fastening bolt that is connected with of fixed mounting panel, the last protection mechanism that is connected with control signal transmission pipe of fixed mounting panel.
Preferably, protection mechanism includes the side semi-gear, the flexible post of side semi-gear lower extreme fixedly connected with, flexible post outside cover is equipped with damping spring, damping spring upper end fixed connection is at the side semi-gear lower extreme, the spacing section of thick bamboo of damping spring lower extreme fixedly connected with side, flexible post runs through the spacing section of thick bamboo of side and fixed mounting board, laminate each other between spacing section of thick bamboo lower surface of side and the fixed mounting board upper surface.
Preferably, intermeshing between side half gear and the side meshing rack one, side half gear upper end fixedly connected with spliced pole, the spacing dish of fixedly connected with cingulum on the spliced pole, the spacing dish of cingulum is provided with two, be provided with the side top gear between the spacing dish of cingulum, side top gear fixed connection is in the spliced pole outside, the meshing of side top gear is connected with the connection cingulum.
Preferably, the connecting toothed belt is arranged right above the signal transmission pipe, the connecting toothed belt is meshed with a transmission gear, a limiting cover is fixedly connected to the upper end of the toothed belt limiting disc, 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, the side semi-gear is provided with two, one of them side semi-gear lower extreme fixedly connected with switches the cylinder, switch the middle rotary disk of cylinder one end fixedly connected with, it is provided with four, four to switch the cylinder and evenly encircle and set up in the flexible post outside, middle rotary disk sets up between side spacing section of thick bamboo and fixed mounting board, the flexible post outside is established to middle rotary disk cover.
Preferably, the first side meshing rack and the second side meshing rack are different in length, 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 the horizontal plane of the other side half gear.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. this application is through adopting side meshing rack one and side meshing rack two structure, when the normal signal that needs to be transmitted, it is rotatory to drive side half gear through the rotating electrical machines, take place the displacement rather than the side meshing rack one of meshing, make signal transmission pipe can outwards extend along main spacing section of thick bamboo, make connection end and another signal transmission interface intercommunication, side meshing rack two misplaces with side half gear each other this moment, when needing to be disconnected, the module receives disconnected signal, control switching cylinder makes its shrink, side half gear level descends, until side half gear and side meshing rack two take place the meshing, drive side meshing rack two and take place reverse direction displacement along main spacing section of thick bamboo, the disconnection operation of connection end has been accomplished promptly, make signal connection circuit disconnect, play the guard action to signal transmission.
2. The application adopts the side expanding plate structure, utilizes the side expanding plate to limit the positions of the toothed belt limiting discs at two sides of the rotating motor, ensures that the connecting toothed belt structure connected between the toothed belt limiting discs can be in a tight state, ensures that the relative positions of two side half gears can not be changed when the switching cylinder is in telescopic operation, has stability, ensures that the side half gear can not be meshed with the corresponding side meshing rack when one side half gear is meshed with the side meshing rack, ensures that a signal transmission pipe can be always in a connected or disconnected state, ensures that the other side half gear can not be meshed with the side meshing rack when the side meshing rack I and the side meshing rack II are different in length, ensures that 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, and can not occur when the side meshing rack I on the signal transmission pipe is separated from the side half gear, the structure has rationality.
Drawings
Fig. 1 is a schematic diagram illustrating an overall structure of a protection module according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating an explosive structure of a protection module according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a connection between a rotating electrical machine and a connecting toothed belt according to an embodiment of the present invention;
FIG. 4 illustrates a schematic structural view of a switch cylinder connection provided in accordance with an embodiment of the present invention;
fig. 5 is a schematic structural diagram illustrating a connection position of the connection end head and the main limiting cylinder provided by the embodiment of the invention.
Illustration of the drawings:
1. a signal transmission pipe; 2. connecting the end heads; 3. a main limiting cylinder; 4. a data line; 5. a side connecting rod; 6. fastening a bolt; 7. fixing the mounting plate; 8. a side limiting cylinder; 9. a side half gear; 10. a telescopic column; 11. a first side meshing rack; 12. connecting columns; 13. a toothed belt limiting disc; 14. connecting a toothed belt; 15. a side top gear; 16. a limiting cover; 17. a side deployment plate; 18. a motor fixing sleeve; 19. a rotating electric machine; 20. a middle rotating disc; 21. switching the air cylinder; 22. a damping spring; 23. a transmission gear; 24. and the side is meshed with the second rack.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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, 1 one end fixedly connected with connection end 2 of signal transmission pipe, be provided with data line 4 in the signal transmission pipe 1, 1 outside fixedly connected with side meshing rack 11 of signal transmission pipe and side meshing rack two 24, 1 outside cover of signal transmission pipe is equipped with main spacing section of thick bamboo 3, 3 outside fixedly connected with side connecting rod 5 of main spacing section of thick bamboo, 5 one end fixedly connected with fixed mounting panel 7 of side connecting rod, be connected with fastening bolt 6 on the fixed mounting panel 7, be connected with the protection machanism that control signal transmission pipe 1 connects on the fixed mounting panel 7. Protection mechanism includes side semi-gear 9, and the flexible post 10 of 9 lower extremes fixedly connected with of side semi-gear, flexible post 10 outside cover are equipped with damping spring 22, and damping spring 22 upper end fixed connection is at the 9 lower extremes of side semi-gear, and the spacing section of thick bamboo 8 of damping spring 22 lower extreme fixedly connected with side, flexible post 10 run through the spacing section of thick bamboo 8 of side and fixed mounting board 7, laminate each other between the spacing section of thick bamboo 8 lower surface of side and the fixed mounting board 7 upper surface. Intermeshing between side semi-gear 9 and the side meshing rack 11, side semi-gear 9 upper end fixedly connected with spliced pole 12, the spacing dish 13 of fixedly connected with cingulum on the spliced pole 12, the spacing dish 13 of cingulum is provided with two, is provided with side top gear 15 between the spacing dish 13 of cingulum, and side top gear 15 fixed connection is in the spliced pole 12 outside, and side top gear 15 meshing is connected with and connects the cingulum 14. The connecting toothed belt 14 is arranged right above the signal transmission pipe 1, the connecting toothed belt 14 is meshed 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 semi-gear 9 is provided with two, and wherein the cylinder 21 is switched in the fixedly connected with of one side semi-gear 9 lower extreme, switches cylinder 21 one end fixedly connected with middle rotary disk 20, switches cylinder 21 and is provided with four, and four switch cylinders 21 evenly encircle and set up in the flexible post 10 outside, and middle rotary disk 20 sets up between side spacing section of thick bamboo 8 and fixed mounting board 7, and middle rotary disk 20 cover is established in the flexible post 10 outside. The length of the first side meshing rack 11 is different from that of the second side meshing rack 24, the first side meshing rack 11 is shorter than that of the second side meshing rack 24, the two side half gears 9 are arranged on a non-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.
Specifically, as shown in fig. 1, a signal transmission protection module based on electric power thing networking, including signal transmission pipe 1, 1 one end fixedly connected with connection end 2 of signal transmission pipe, be provided with data line 4 in the signal transmission pipe 1, 1 outside fixedly connected with side meshing rack one 11 of signal transmission pipe and side meshing rack two 24, 1 outside cover of signal transmission pipe is equipped with main spacing section of thick bamboo 3, 3 outside fixedly connected with side connecting rod 5 of main spacing section of thick bamboo, 5 one end fixedly connected with fixed mounting panel 7 of side connecting rod, be connected with fastening bolt 6 on the fixed mounting panel 7, be connected with the protection mechanism that control signal transmission pipe 1 connects on the fixed mounting panel 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 includes side semi-gear 9, and side semi-gear 9 lower extreme fixedly connected with telescopic column 10, telescopic column 10 outside cover are equipped with damping spring 22, and damping spring 22 upper end fixed connection is at side semi-gear 9 lower extreme, and damping spring 22 lower extreme fixedly connected with side spacing section of thick bamboo 8, telescopic column 10 run through side spacing section of thick bamboo 8 and fixed mounting board 7, laminate each other between side spacing section of thick bamboo 8 lower surface and the fixed mounting board 7 upper surface. Intermeshing between side semi-gear 9 and the side meshing rack 11, side semi-gear 9 upper end fixedly connected with spliced pole 12, the spacing dish 13 of fixedly connected with cingulum on the spliced pole 12, the spacing dish 13 of cingulum is provided with two, is provided with side top gear 15 between the spacing dish 13 of cingulum, and side top gear 15 fixed connection is in the spliced pole 12 outside, and side top gear 15 meshing is connected with and connects the cingulum 14. The connecting toothed belt 14 is arranged right above the signal transmission pipe 1, the connecting toothed belt 14 is meshed with a transmission gear 23, the upper end of a toothed belt limiting disc 13 is fixedly connected with a limiting cover 16, a side expanding plate 17 is arranged between the limiting cover 16 and the toothed belt limiting disc 13, the side expanding plate 17 is fixedly connected with a motor fixing sleeve 18, a rotating motor 19 is arranged in the motor fixing sleeve 18, the output end of the rotating motor 19 is fixedly connected with the transmission gear 23, a side meshing rack I11 and a side meshing rack II 24 structure are adopted, when signals are normally required to be transmitted, the side half gear 9 is driven to rotate by the rotating motor 19, the side meshing rack I11 meshed with the side half gear is displaced, the signal transmission pipe 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 mutually dislocated, when the signals are required to be disconnected, the module receives the disconnection signal, controls the switching cylinder 21 to contract, and the horizontal height of the side half gear 9 descends until the side half gear 9 is meshed with the side meshing rack II 24 to drive the side meshing rack II 24 to displace in the opposite direction along the main limiting cylinder 3, namely, the disconnection operation of the connecting end 2 is completed, so that the signal connecting circuit is disconnected, and the signal transmission is protected.
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 a middle rotating disk 20, the switching cylinder 21 is provided with four, the four switching cylinders 21 are uniformly arranged around the telescopic column 10, the middle rotating disk 20 is arranged between the side limiting cylinder 8 and the fixed mounting plate 7, and the middle rotating disk 20 is sleeved on the telescopic column 10. The length of the first side meshing rack 11 is different from that of the second side meshing rack 24, the first side meshing rack 11 is shorter than that of the second side meshing rack 24, the two side half gears 9 are arranged on a non-same plane, the horizontal plane of the first side half gear 9 meshed with the second side meshing rack 24 is higher than that of the second side half gear 9, the positions of the toothed belt limiting discs 13 on two sides of the rotating motor 19 are limited by the side expanding plate 17, so that the connecting toothed belt 14 structure connected between the toothed belt limiting discs 13 can be in a tight state, the relative positions of the two side half gears 9 cannot be changed when the switching cylinder 21 is in telescopic operation, the structure has stability, when the first side half gear 9 is meshed with the side meshing rack, the second side half gear 9 cannot be meshed with the corresponding side meshing rack, the signal transmission pipe 1 can be in a connected or disconnected state all the time, and because the first side meshing rack 11 is different from that of the second side meshing rack 24, when the upper position and the lower position of the side half gear 9 are switched, the side half gear 9 can be meshed with the corresponding side meshing rack, when the side meshing rack I11 on the signal transmission pipe 1 is separated from the side half gear 9, the other side half gear 9 cannot be meshed with the side meshing rack II 24, and the structure is reasonable.
In summary, according to the signal transmission protection module based on the power internet of things provided by the embodiment, a mechanical structure is adopted to realize connection and disconnection of signal transmission, so that the requirement for protecting the signal transmission when a large number of signals are transmitted in the power internet of things is met, and when the signal transmission is required to be protected, the switching cylinder 21 can be controlled in time to complete separation of the connection end 2 and the connection interface in the signal transmission pipe 1, stop the signal transmission, and complete protection measures.
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 (6)
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 connects 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 board (7), be connected with fastening bolt (6) on fixed mounting board (7), be connected with the protection machanism that control signal transmission pipe (1) is connected on fixed mounting board (7).
2. The signal transmission protection module based on the electric power internet of things is characterized in that 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 on the outer side of 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 a 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.
3. The signal transmission protection module based on the power internet of things is characterized in that the side half gear (9) and the side meshing rack I (11) are meshed with each other, a connecting column (12) is fixedly connected to the upper end of the side half gear (9), a toothed belt limiting disc (13) is fixedly connected to the connecting column (12), two toothed belt limiting discs (13) are arranged, a side top gear (15) is arranged between the toothed belt limiting discs (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 meshed with a connecting toothed belt (14).
4. The signal transmission protection module based on the power internet of things is characterized in that 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 expanding plate (17) is arranged between the limiting cover (16) and the toothed belt limiting disc (13), the side expanding 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).
5. The signal transmission protection module based on the electric power internet of things is characterized in that the number of the side half gears (9) is two, one of the lower ends 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 rotating disk (20), the number of the switching cylinder (21) is four, the four switching cylinder (21) is uniformly arranged outside the telescopic column (10) in a surrounding manner, the intermediate rotating disk (20) is arranged between the side limiting cylinder (8) and the fixed mounting plate (7), and the intermediate rotating disk (20) is arranged outside the telescopic column (10) in a sleeved manner.
6. The signal transmission protection module based on the power internet of things is characterized in that the length of the first side meshing rack (11) is different from that of the second side meshing rack (24), the first side meshing rack (11) is shorter than that of the second side meshing rack (24), the two side half gears (9) are arranged on a non-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 true CN114204332A (en) | 2022-03-18 |
| CN114204332B CN114204332B (en) | 2023-05-26 |
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| Publication number | Publication date |
|---|---|
| CN114204332B (en) | 2023-05-26 |
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