CN212078967U - Cable trench cover plate and intelligent key - Google Patents
Cable trench cover plate and intelligent key Download PDFInfo
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- CN212078967U CN212078967U CN201921905098.XU CN201921905098U CN212078967U CN 212078967 U CN212078967 U CN 212078967U CN 201921905098 U CN201921905098 U CN 201921905098U CN 212078967 U CN212078967 U CN 212078967U
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Abstract
The utility model discloses a cable trench cover plate, which comprises a cover plate module and a lockset module; the cover plate module comprises a starting cover plate, an intermediate cover plate and a stopping cover plate which are sequentially arranged; the starting cover plate and the middle cover plate respectively comprise a cover plate body and a metal pressing sheet arranged at the bottom of the cover plate body; the three cover plates are placed through corresponding metal pressing sheets in a compression joint mode; the lockset module is arranged on the upper surface of the stopping cover plate, and a protection circuit is arranged in the lockset module. The utility model also discloses an intelligent key for open as above cable trench cover. The cable trench cover plate and the intelligent key matched with the cable trench cover plate provided by the embodiment of the utility model only use the metal pressing sheet as the connecting link between the cover plates, so that the processing cost is lower, and the structure of the whole cable trench cover plate is more stable; meanwhile, the lockset module combines a mechanical principle and a circuit principle, and the anti-theft performance of the cable trench cover plate is greatly improved.
Description
Technical Field
The utility model relates to an electric power engineering technical field especially relates to a cable trench cover and intelligent key.
Background
With the continuous development of the current power engineering technology, the number of power cables used is rapidly increasing, and the power cables are mainly used for transmitting strong electric energy in power generation, distribution, transmission, transformation and power supply lines, and the current passing through the power cables has a large change range (dozens of amperes to thousands of amperes) and a high voltage (220V to 35kV or more), so the power cables are generally intensively and uniformly arranged in a cable trench to achieve the effect of laying and replacing power or telecommunication cable facilities.
The general cable trench structure is an underground trench with a cover plate, cable facilities are intensively laid in the trench, and the cover plate structure on the surface is used for enclosing the trench. When laying and repairing cables, the cover plate must be firstly uncovered for subsequent work. At present, the cable trench cover usually adopts the mode that a plurality of cover plates are mutually matched, the front side and the rear side of each cover plate are connected with the next cover plate by adopting a metal bolt structure, the left side and the right side of each cover plate are also fixed with the cable trench wall by adopting corresponding mechanical mechanisms (such as metal bolts), and the last cover plate is provided with a specific mechanical mechanism (such as a mechanical lock) and is fixed on the ground so as to ensure that the whole cable trench cover plate achieves the effects of fixation and theft prevention. Therefore, in the existing cable trench cover plate, the periphery sides of each layer of cover plate at the front, the back, the left and the right need to be precisely machined to realize fixation, the requirement on machining precision is extremely high, and the whole machining cost is high; meanwhile, when each trench cover plate is fixed, the operation is very complicated, the installation efficiency is low, and the trench cover plate is not convenient to disassemble and maintain; more importantly, because the cover plate on the top can adopt a mechanical mechanism such as a mechanical lock, when the cover plate on the top is opened, hardware such as a key matched with the mechanical lock is needed, if the key is lost or stolen, an external person can easily open the mechanical lock by using the stolen key to steal a cable in a channel, so that property loss is caused to a certain degree, and the whole power system is in a fault to harm personal safety in serious cases.
SUMMERY OF THE UTILITY MODEL
To the above problem, an object of the utility model is to provide a simple structure, cable trench cover that theftproof performance is high and assorted intelligent key thereof.
In order to achieve the above object, an embodiment of the present invention provides a cable trench cover, which includes a cover module and a lock module.
The cover plate module is arranged at the top of the cable channel and comprises a starting cover plate, a middle cover plate and a stopping cover plate which are sequentially arranged.
The starting cover plate and the middle cover plate respectively comprise a cover plate body and a metal pressing sheet arranged at the bottom of the cover plate body; one end of each metal pressing sheet is arranged on the side part of the corresponding cover plate body and is fixedly connected with the bottom of the corresponding cover plate body through a fastening piece; the other end of the metal pressing sheet extends to the direction far away from the cover plate body and forms a convex edge; the cover plate body of the starting cover plate and the cover plate body of the middle cover plate are placed in a compression joint mode through the corresponding convex edges; the cover plate body of the middle cover plate and the termination cover plate are placed in a compression joint mode through the corresponding protruding edges.
The tool to lock module is located the upper surface of stopping the apron, just be equipped with protection circuit in the tool to lock module.
As an improvement of the above solution, the lock module comprises a signal recognition unit.
The signal identification unit is used for receiving an authorization signal sent by an external intelligent key and verifying the authorization signal so as to enable the lock module to perform corresponding actions according to a verification result.
The signal identification unit is further used for detecting at least one of the following parameters according to the authorization signal: a location of use of the fob, a time of use of the fob, and an authorized user of the fob.
As a modification of the above, the fastener is a fastening screw.
As an improvement of the above scheme, the number of the metal pressing pieces is four, two of the metal pressing pieces are arranged on the cover plate body of the initial cover plate, and the other two metal pressing pieces are arranged on the cover plate body of the middle cover plate.
As an improvement of the scheme, the lockset module further comprises a base, a stainless steel upper cover plate, a stainless steel inner cover and a spring bolt mechanism.
The stainless steel upper cover plate is arranged on the outermost layer of the base, a first mechanical key hole for opening the stainless steel upper cover plate is formed in the base, and the first mechanical key hole is matched with a corresponding mechanical switch key.
The stainless steel inner cover is arranged on the middle layer of the base, is of a sliding structure, and is provided with an inner cover handle on the surface, and the inner cover handle is used for opening the stainless steel inner cover;
the spring bolt mechanism is arranged on the inner layer of the base and comprises a groove cover plate spring bolt switch, an intelligent key lock hole and a second mechanical key hole.
The intelligent key lock hole is electrically connected with the signal identification unit and is used for being inserted into the external intelligent key so that the signal identification unit receives the authorization signal sent by the external intelligent key.
The groove cover plate spring bolt switch is connected with a groove cover plate spring bolt on the outer side of the base and used for controlling the groove cover plate spring bolt; the cable trench cover lock tongue is connected with a cable trench metal frame fixed outside.
The second mechanical keyway is mated with a corresponding back-up key that is used to directly open the deadbolt mechanism.
As an improvement of the scheme, the outer surface of the base is provided with an outer drainage hole.
As an improvement of the scheme, the stainless steel upper cover plate is provided with a plastic cover electronic signal hole.
As an improvement of the scheme, the periphery of the stainless steel inner cover is provided with an observation window and an inner drainage hole.
Another embodiment of the present invention provides an intelligent key, which includes a signal receiving unit and a signal transmitting unit.
The signal receiving unit is used for synchronously receiving an authorization signal issued by external terminal equipment.
The signal transmitting unit is used for transmitting the authorization signal to an external cable trench cover plate so that the cable trench cover plate can perform corresponding actions according to the authorization signal.
As an improvement of the scheme, a battery is arranged in the intelligent key and is a rechargeable battery.
The utility model provides a cable trench cover and intelligent key that matches with it, the overall structure to cable trench cover has carried out great improvement, between the polylith apron, only through adding the metal preforming as connecting link, and the transformation work load to the apron is little, need not to carry out the precision finishing to it, also need not to add other accurate link fittings, greatly reduced the cost of equipment processing; meanwhile, the metal pressing sheets fixedly connected are arranged between the adjacent cover plates, so that each cover plate cannot be opened randomly, only the cover plate at the previous stage is opened, but the cover plate at the next stage can be opened, and the structure of the whole cable trench cover plate is more stable; more importantly, the utility model provides a cable trench cover and assorted intelligent key therewith, mechanical principle and circuit principle have been combined effectively, set for the restriction condition to intelligent key in advance, transmission and inspection through data, just can operate cable trench cover correspondingly, the flow is more clear to whole equipment is opened, the step is more perfect, even outside personnel steal intelligent key and also can't open cable trench cover, cable equipment's safety and electric power system's steady operation have been ensured effectively, very big improvement cable trench cover's theftproof performance.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the embodiments will be briefly described below, and obviously, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cable trench cover according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an initial cover plate according to an embodiment of the present invention;
fig. 3 is a schematic view of an outer structure of a base of a lock module according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a middle-layer structure of a base of a lock module according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a structure of an inner layer of a base of a lock module according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the embodiments of the present invention, and do not indicate or imply that the device or component being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the embodiments of the present invention.
Furthermore, the terms first, second and the like in the description and in the claims, are used for descriptive purposes only to distinguish the same technical features, and are not to be construed as indicating or implying relative importance or implicit indication of the number of technical features indicated, nor is an order or temporal order necessarily described. The terms are interchangeable where appropriate. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
An embodiment of the utility model provides a cable trench cover, it is concrete, please refer to fig. 1, does the embodiment of the utility model provides a structural schematic diagram of a cable trench cover, it includes apron module and tool to lock module 5.
The cover plate module is arranged at the top of the cable channel and comprises a starting cover plate 1, a middle cover plate 2 and a stopping cover plate 3 which are sequentially arranged.
The embodiment of the utility model provides a cable trench cover comprises three apron jointly, as shown in fig. 1, place in proper order by left to right with termination apron 3 in the place of originated apron 1, middle apron 2.
The starting cover plate 1 and the middle cover plate 2 both comprise a cover plate body and a metal pressing sheet 4 arranged at the bottom of the cover plate body; specifically, please refer to fig. 2, which is a schematic structural diagram of an initial cover plate 1 according to an embodiment of the present invention, it should be noted that the structure of the initial cover plate 1 is the same as that of the middle cover plate 2, and therefore, the structure of the middle cover plate 2 can also refer to fig. 2. As shown in fig. 2, the metal sheet 4 is preferably rectangular, and the material thereof may be selected from a high-hardness corrosion-resistant alloy material, or may be selected from a suitable material according to the actual processing cost.
One end of the metal pressing sheet 4 is arranged on the side part of the cover plate body and is fixedly connected with the bottom 9 of the corresponding cover plate body through a fastener 7; the other end of the metal pressing sheet 4 extends to the direction far away from the cover plate body and forms a convex edge 8; the extension length of the raised edge 8 is changed according to the actual processing requirement, and the raised edge 8 is arranged on the cover plate body to be used as a connecting link for connecting the initial cover plate 1 and the middle cover plate 2. The specific connection mode is as follows: set up metal preforming 4 in the apron body right side bottom of originated apron 1, metal preforming 4 outwards extends has raised edge 8, and the right side bottom crimping of the apron body of middle apron 2 is to corresponding raised edge 8 again, accomplishes the connection of originated apron 1 and middle apron 2. Because metal pressing sheet 4 is fixed connection on the apron body of originated apron 1, under the prerequisite of not opening middle apron 2, just can't open originated apron 1, and then can't open whole cable trench cover. Correspondingly, the bottom of the right side of the cover plate body of the middle cover plate 2 is provided with a metal pressing sheet 4, the metal pressing sheet 4 extends outwards to form a convex edge 8, and the bottom of the right side of the stopping cover plate 3 is pressed on the corresponding convex edge 8 to complete the connection of the middle cover plate 2 and the stopping cover plate 3. Similarly, since the metal pressing plate 4 is fixedly connected to the cover plate body of the middle cover plate 2, the middle cover plate 2 cannot be opened without opening the termination cover plate 3, and then the whole cable trench cover cannot be opened.
The lock module 5 is arranged on the upper surface of the stop cover plate 3, the lock module 5 is used for connecting the stop cover plate 3 with a corresponding mechanism on the ground, the effect of closing the stop cover plate 3 is achieved, the specific closing principle can refer to the mechanical principle of the prior art, and the closing of the stop cover plate 3 is completed by arranging a corresponding mechanical structure. Just because the utility model discloses a cable trench cover has combined mechanical principle and circuit principle, so still be equipped with relevant protection circuit in its inside, be used for right tool to lock module 5 carries out the protection on the circuit.
The embodiment of the utility model provides a cable trench cover improves the overall structure of cable trench cover greatly, between polylith apron, only through adding metal preforming 4 as connecting link, is different from the prior art and needs to carry out the precision finishing to each apron, the utility model discloses it is little to the transformation work volume of apron, need not to carry out the precision finishing to it, also need not to add other extra link fittings, greatly reduced the cost of equipment processing; meanwhile, the metal pressing sheets 4 fixedly connected are arranged between the adjacent cover plates, so that each cover plate cannot be opened at will, only the cover plate at the previous stage is opened, but the cover plate at the next stage can be opened, and the whole cable trench cover plate is more stable in structure and is not easy to damage by external force; more importantly, every block of mechanical mechanism and link fitting of apron connection all locate easily with the environment of air contact among the prior art, appear the dead phenomenon of tool to lock corrosion card easily, lead to unable opening cable trench cover, and the utility model discloses the bottom of every block of apron is located to the metal preforming 4 that adds, prevents that the rusty ability is compared and is promoted greatly in prior art.
Preferably, in this embodiment, the lock module 5 includes a signal recognition unit. The signal identification unit is used for receiving an authorization signal sent by an external intelligent key and verifying the authorization signal so that the lock module 5 performs corresponding action according to a verification result; the signal identification unit is further used for detecting at least one of the following parameters according to the authorization signal: a location of use of the fob, a time of use of the fob, and an authorized user of the fob.
It should be noted that the function of the signal recognition unit can be implemented by an embedded host or HMI human-machine interface provided in the lock module 5, or a specific electronic circuit can be formed by a specific type of single chip microcomputer chip in combination with corresponding electronic components (e.g., sensors) to implement corresponding functions.
Specifically, referring to fig. 2, the fastening member 7 is preferably a fastening screw. The metal pressing sheet 4 is tightly fixed at the bottom of the cover plate body through fastening screws.
Specifically, referring to fig. 1, the number of the metal pressing pieces 4 is four, and the four metal pressing pieces 4 are made of the same material and have the same shape and size, two of the metal pressing pieces are disposed on the cover plate body of the initial cover plate 1, and the other two metal pressing pieces are disposed on the cover plate body of the middle cover plate 2. Of course, the shape, size, material and number of the metal pressing sheet 4 can be adjusted according to the actual processing requirement, so as to ensure the purpose of stably connecting the cover plate bodies of the two adjacent cover plates.
Preferably, in the above embodiment, the lock module 5 further includes a base, a stainless steel upper cover plate 12, a stainless steel inner cover 17, and a latch mechanism.
Specifically, please refer to fig. 3, which is a schematic diagram of an outer structure of a base of a lock module 5 according to an embodiment of the present invention, wherein the stainless steel upper cover plate 12 is disposed on the outermost layer of the base, and a first mechanical key hole 14 for opening the stainless steel upper cover plate 12 is disposed on the base, and the first mechanical key hole 14 is matched with a corresponding mechanical switch key, that is, a corresponding mechanical structure is disposed inside the base to open the stainless steel upper cover plate 12. The side of the stainless steel upper cover plate 12 is provided with a cover plate handle 13 for facilitating the operation of technicians.
If the cable trench cover according to the embodiment of the present invention is to be opened, a dedicated mechanical switch key is firstly required to be inserted into the first mechanical key hole 14 to rotate clockwise, and then the cover handle 13 is pulled upward, so that the stainless steel upper cover plate 12 can be opened.
After opening stainless steel upper cover plate 12, can see to locate on the middle level stainless steel inner cup 17, it is concrete, please see fig. 4, do the embodiment of the utility model provides a base middle level structure sketch map of tool to lock module 5, stainless steel inner cup 17 is sliding construction, is equipped with inner cup handle 18 on its surface lateral part and makes things convenient for the technical staff to operate, inner cup handle 18 is used for opening stainless steel inner cup 17.
After opening stainless steel inner cup 17, can see the spring bolt mechanism who locates the inlayer, it is concrete, please refer to fig. 5, do the embodiment of the utility model provides a base inlayer structure schematic diagram of tool to lock module 5, the spring bolt mechanism is in the base is inboard, and it includes cover plate spring bolt switch 17, intelligent key lockhole and second machinery key hole 18.
The intelligent key lock hole is electrically connected with the signal identification unit and is used for being inserted into the external intelligent key so that the signal identification unit receives the authorization signal sent by the external intelligent key.
The groove cover bolt switch 17 is connected with a groove cover bolt 15 on the outer side of the base, and the groove cover bolt switch and the groove cover bolt 15 are of an integrally formed structure; the trench cover latch 15 is connected to the cable trench metal frame 6 fixed to the outside. As shown in fig. 1, the cable trench metal frame 6 is fixed on the ground, the trench cover latch is inserted into the cable trench metal frame 6 in a locked state to form a closed structure, and the trench cover latch is separated from the cable trench metal frame 6 by pulling the trench cover latch switch 17 leftward in an open state, thereby achieving opening.
The second mechanical key hole 18 is matched with a corresponding spare key for directly opening the deadbolt mechanism. The lock module 5 can also be unlocked using a spare mechanical key inserted into the second mechanical keyway 18 when the fob fails for an unknown reason.
Preferably, in the above embodiment, as shown in fig. 3, the outer surface of the base is provided with an outer drainage hole 10 to prevent the lock module 5 from being soaked by rainwater for a long time.
Preferably, in the above embodiment, the stainless steel upper cover plate 12 has plastic cover electronic signal holes 11, so that certain electronic components (such as sensors) inside can detect corresponding signals.
Preferably, in the above embodiment, the stainless steel inner cover 17 is provided with an observation window and an inner drain hole 16 on the periphery side, so as to further improve the drainage function of the lock module 5, and the observation window is convenient for a worker to check the inside.
Another embodiment of the present invention provides a smart key (not shown), which includes a signal receiving unit and a signal transmitting unit.
The signal receiving unit is used for synchronously receiving the authorization signal issued by the external terminal equipment. Namely, the smart key needs to be connected with a specific device (such as a computer) before being opened at a corresponding cable trench cover for subsequent operation after obtaining an authorization signal. The authorization signal comprises position information and service time information of the cable trench cover plate to be opened, and an authorized user is marked, so that the purpose of opening the specific cover plate at a specific time by using an intelligent key is achieved, and the integral anti-theft performance of the cable trench cover plate is greatly improved.
The signal transmitting unit is used for transmitting the authorization signal to an external cable trench cover plate so that the cable trench cover plate can perform corresponding actions according to the authorization signal. It should be noted that the function of the smart key can be implemented by an internal smart chip, and a specific electronic circuit is formed by combining corresponding electronic components (e.g., a sensor) to achieve the functions of receiving and transmitting signals.
Preferably, in the above embodiment, a battery is arranged in the smart key, and the battery is a rechargeable battery, so as to ensure that the smart key can be recycled for multiple times. Of course, the mode of using the power circuit is only a preferred embodiment, and the smart key can also realize corresponding functions by using the external device only by carrying the authorization information when being connected with the external device.
The embodiment of the utility model provides a cable trench cover and intelligent key, the overall structure to cable trench cover has carried out great improvement, between the polylith apron, only through adding metal preforming 4 as connecting link, the transformation work load to the apron is little, need not to carry out the precision finishing to it, also need not to add other accurate link fittings, greatly reduced the cost of equipment processing; meanwhile, the metal pressing sheets 4 fixedly connected are arranged between the adjacent cover plates, so that each cover plate cannot be opened randomly, only the cover plate at the previous stage is opened, but the cover plate at the next stage can be opened, and the structure of the whole cable trench cover plate is more stable; more importantly, the utility model provides a cable trench cover and assorted intelligent key therewith, mechanical principle and circuit principle have been combined effectively, set for the restriction condition to intelligent key in advance, transmission and inspection through data, just can operate cable trench cover correspondingly, the flow is more clear to whole equipment is opened, the step is more perfect, even outside personnel steal intelligent key and also can't open cable trench cover, cable equipment's safety and electric power system's steady operation have been ensured effectively, very big improvement cable trench cover's theftproof performance.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A cable trench cover, comprising: a cover plate module and a lockset module;
the cover plate module is arranged at the top of the cable channel and comprises an initial cover plate, a middle cover plate and a termination cover plate which are sequentially arranged;
the starting cover plate and the middle cover plate respectively comprise a cover plate body and a metal pressing sheet arranged at the bottom of the cover plate body; one end of each metal pressing sheet is arranged on the side part of the corresponding cover plate body and is fixedly connected with the bottom of the corresponding cover plate body through a fastening piece; the other end of the metal pressing sheet extends to the direction far away from the cover plate body and forms a convex edge; the cover plate body of the starting cover plate and the cover plate body of the middle cover plate are placed in a compression joint mode through the corresponding convex edges; the cover plate body of the middle cover plate and the termination cover plate are placed in a compression joint mode through the corresponding convex edges;
the tool to lock module is located the upper surface of stopping the apron, just be equipped with protection circuit in the tool to lock module.
2. The cable duct cover of claim 1, wherein the lock module includes a signal identification unit;
the signal identification unit is used for receiving an authorization signal sent by an external intelligent key and verifying the authorization signal so as to enable the lock module to perform corresponding action according to a verification result;
the signal identification unit is further used for detecting at least one of the following parameters according to the authorization signal: a location of use of the fob, a time of use of the fob, and an authorized user of the fob.
3. The cable duct cover of claim 1, wherein the fastener is a fastening screw.
4. The cable duct cover of claim 1, wherein the number of metal tabs is four, two of the metal tabs being provided on the cover body of the initial cover and two of the metal tabs being provided on the cover body of the intermediate cover.
5. The cable duct cover of claim 2, wherein the lock module further comprises a base, a stainless steel upper cover plate, a stainless steel inner cover, and a latch mechanism;
the stainless steel upper cover plate is arranged on the outermost layer of the base, a first mechanical key hole for opening the stainless steel upper cover plate is formed in the base, and the first mechanical key hole is matched with a corresponding mechanical switch key;
the stainless steel inner cover is arranged on the middle layer of the base, is of a sliding structure, and is provided with an inner cover handle on the surface, and the inner cover handle is used for opening the stainless steel inner cover;
the lock tongue mechanism is arranged on the inner layer of the base and comprises a groove cover plate lock tongue switch, an intelligent key lock hole and a second mechanical key hole;
the intelligent key lock hole is electrically connected with the signal identification unit and is used for being inserted into an external intelligent key so that the signal identification unit receives the authorization signal sent by the external intelligent key;
the groove cover plate spring bolt switch is connected with a groove cover plate spring bolt on the outer side of the base and used for controlling the groove cover plate spring bolt; the groove cover plate lock tongue is connected with a cable groove metal frame fixed outside;
the second mechanical keyway is mated with a corresponding back-up key that is used to directly open the deadbolt mechanism.
6. The cable trench cover of claim 5, wherein the outer surface of the base is provided with outer drainage holes.
7. The cable trench cover of claim 5, wherein the stainless steel cover has plastic cover electrical signal holes.
8. The cable trench cover according to claim 5, wherein the stainless steel inner cover has a viewing window and an inner drain hole around the periphery.
9. A smart key, comprising: the device comprises a signal receiving unit and a signal transmitting unit;
the signal receiving unit is used for synchronously receiving an authorization signal issued by external terminal equipment;
the signal transmitting unit is used for transmitting the authorization signal to an external cable trench cover plate so that the cable trench cover plate can perform corresponding actions according to the authorization signal.
10. The smart key of claim 9, wherein a battery is disposed in the smart key, and the battery is a rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921905098.XU CN212078967U (en) | 2019-11-06 | 2019-11-06 | Cable trench cover plate and intelligent key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921905098.XU CN212078967U (en) | 2019-11-06 | 2019-11-06 | Cable trench cover plate and intelligent key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212078967U true CN212078967U (en) | 2020-12-04 |
Family
ID=73556683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921905098.XU Active CN212078967U (en) | 2019-11-06 | 2019-11-06 | Cable trench cover plate and intelligent key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212078967U (en) |
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2019
- 2019-11-06 CN CN201921905098.XU patent/CN212078967U/en active Active
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