CN213813910U - Electric wire leakage detection device - Google Patents
Electric wire leakage detection device Download PDFInfo
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- CN213813910U CN213813910U CN202022595625.0U CN202022595625U CN213813910U CN 213813910 U CN213813910 U CN 213813910U CN 202022595625 U CN202022595625 U CN 202022595625U CN 213813910 U CN213813910 U CN 213813910U
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Abstract
The utility model discloses an electric wire leakage detection device, a driving roll is horizontally and transversely arranged at the middle position in a frame in a rotating way, a first driving mechanism is arranged at one side right above the driving roll, and the driving roll rotates forwards and backwards through the first driving mechanism; telescopic rods are vertically arranged on the inner bottom surface of the frame in a bilateral symmetry mode, and the telescopic ends of the telescopic rods are connected with the corresponding second driving mechanisms; a driven roller is horizontally and transversely arranged between the two second driving mechanisms, and two ends of the driven roller are respectively in rotary connection with the corresponding second driving mechanisms and do vertical motion through the second driving mechanisms; a signal emitter is arranged on the upper surface of the frame, and a receiving end of the signal emitter vertically extends downwards into the frame and is electrically connected with the electric leakage inductor; through the matching of the driving roller and the driven roller, the frame moves horizontally and longitudinally on the electric wire and is detected through the electric leakage inductor. The utility model discloses simple structure, convenient to use have avoided a large amount of losses of electric power, have improved the security performance.
Description
Technical Field
The utility model relates to a check out test set field, concretely relates to electric wire leakage detection device.
Background
At present, when a telegraph pole is used for erecting electric wires to transport electric power at high altitude, the electric wires in remote areas are often damaged due to factors such as branches, wind erosion, hail and the like; the outer surface of the wire is damaged, so that the leakage phenomenon is easily caused, and high-voltage electric arcs are often generated at the damaged part of the outer surface and discharge, so that the huge loss of electric power is caused; and the damaged electric leakage part of the surface skin is difficult to find, so that great potential safety hazard exists. Therefore, the above problems need to be solved.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an electric wire leakage detection device cliies the electric wire through drive roll and driven voller to drive this device and remove on the electric wire, thereby be convenient for look for the electric leakage department of electric wire through the electric leakage inductor, avoided the loss in a large number of electric power, improved the security performance.
In order to solve the technical problem, the utility model discloses take following technical scheme: the utility model discloses an electric wire leakage detection device, its innovation point lies in: the device comprises a frame, a driving roller, a driven roller, a first driving mechanism, a second driving mechanism, a telescopic rod, a leakage inductor and a signal emitter; the frame is of a vertically arranged hollow cuboid structure, a driving roller is horizontally and transversely arranged in the middle of the frame, two ends of the driving roller are respectively rotatably connected with the left inner side wall and the right inner side wall of the frame, a first driving mechanism is arranged right above the driving roller and close to the right side of the driving roller, and the driving roller rotates forwards and backwards through the first driving mechanism; telescopic rods are also vertically and symmetrically arranged on the left side and the right side of the inner bottom surface of the frame, the fixed end of each telescopic rod is fixedly connected with the inner bottom surface of the frame respectively, the movement direction of the telescopic end of each telescopic rod is vertical, and the telescopic ends are fixedly connected with the fixed ends corresponding to the second driving mechanisms respectively; a driven roller is horizontally and transversely arranged between the two second driving mechanisms, is arranged under the driving roller in parallel, and is respectively rotatably connected with the fixed ends of the corresponding second driving mechanisms at two ends and vertically reciprocates through the second driving mechanisms; a signal emitter is vertically arranged in the middle of the upper surface of the frame, and a receiving end of the signal emitter vertically extends downwards into the frame and is electrically connected with the electric leakage inductor which is horizontally arranged; the electric wire horizontally and longitudinally penetrates through the front surface and the rear surface of the frame and is clamped between the driving roller and the driven roller, the frame horizontally and longitudinally reciprocates on the electric wire through the mutual matching of the driving roller and the driven roller, and the electric leakage position of the electric wire is detected through the electric leakage sensor.
Preferably, the insulating layer is further included; an insulating layer used for protecting the electric leakage inductor is horizontally arranged in the frame, the insulating layer is arranged between the first driving mechanism and the electric leakage inductor, and the four peripheral edges of the insulating layer are respectively fixedly connected with the inner side wall of the frame and support the electric leakage inductor.
Preferably, a first rack is further arranged on the right side of the surface of the driving roller along the circumferential direction of the surface, the first racks are distributed annularly, and the tooth surfaces of the first racks are arranged outwards along the radial direction of the driving roller.
Preferably, the first driving mechanism comprises a first motor fixing seat, a first motor and a first gear; a first motor fixing seat is vertically arranged on the right side above the driving roller, the first motor fixing seat is of an L-shaped structure, one end of the long side of the first motor fixing seat is horizontally and transversely arranged and is vertically and fixedly connected with the right inner side wall of the frame, and one end of the short side of the first motor fixing seat is vertically and downwardly arranged and is not interfered with the driving roller; a first motor is further horizontally arranged on the inner side face of one end of the short side of the first motor fixing seat, the first motor is fixedly connected with the first motor fixing seat in a threaded manner, and the output end of the first motor horizontally and vertically extends out of the outer side face of one end of the short side of the first motor fixing seat and is in linkage connection with the vertically arranged first gear; under the drive of the first motor, the driving roller rotates in the front-back direction through the meshing fit of the first gear and the first rack.
Preferably, the device also comprises a plurality of reinforcing plates; and a plurality of reinforcing plates are vertically arranged on the inner surface of one end of the long edge of each first motor fixing seat at intervals, and each reinforcing plate is fixedly connected with the first motor fixing seat and the right inner side wall of the frame respectively, arranged without interfering with the first motor respectively and used for supporting and reinforcing the first motor fixing seat respectively.
Preferably, second racks are vertically and symmetrically arranged at the lower positions of the left inner side wall and the right inner side wall of the frame, each second rack is arranged right below the driving roller, and the tooth surfaces of the second racks are respectively arranged towards the central direction of the frame; and limiting plates are respectively and horizontally fixedly arranged at the upper end and the lower end of each second rack, and each limiting plate is respectively and fixedly connected with the left inner side wall and the right inner side wall of the frame and limits the vertical up-and-down motion of the driven roller.
Preferably, each second driving mechanism comprises a second motor fixing seat, a second motor and a second gear; the lower surface of each second motor fixing seat is fixedly connected with the telescopic end corresponding to the telescopic rod, and the two ends of the driven roller are rotatably connected with the side surfaces corresponding to the second motor fixing seats respectively; a second motor is horizontally and fixedly arranged on one side, close to the corresponding inner side wall of the frame, of the upper surface of each second motor fixing seat, and the output end of each second motor is horizontally and longitudinally arranged and is meshed and connected with the corresponding second rack through a second gear; under the drive of the second motor, the driven roller vertically reciprocates through the meshing and matching of the second gear and the second rack.
Preferably, a gravity center block is further horizontally and fixedly arranged in the middle of the inner bottom surface of the frame, and the gravity center block is arranged in a manner of not interfering with the driven roller and the corresponding telescopic rod.
Preferably, the roller surface of the driving roller is of a cylindrical structure, a first positioning groove is further embedded in the middle of the roller surface along the circumferential direction of the roller surface, the first positioning groove is of an arc-shaped structure, and a plurality of positioning protrusions are further uniformly distributed on the outer surface of the first positioning groove along the circumferential direction of the first positioning groove at intervals.
Preferably, the roller surface of the driven roller is of a cylindrical structure, a second positioning groove is further embedded in the middle of the roller surface along the circumferential direction of the roller surface, the second positioning groove is of an arc-shaped structure, the arrangement position of the second positioning groove corresponds to the arrangement position of the first positioning groove, and a plurality of positioning protrusions are further uniformly distributed on the outer surface of the driven roller along the circumferential direction of the driven roller at intervals; the electric wire centre gripping is in first constant head tank and second constant head tank to prevent skidding through the location arch.
The utility model has the advantages that: the utility model has simple structure and convenient use; the electric wire is clamped by the driving roller and the driven roller, and the device is driven to move on the electric wire, so that the electric leakage position of the electric wire is conveniently found through the electric leakage inductor, a large amount of electric power loss is avoided, and the safety performance is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of the electric wire leakage detecting device of the present invention.
Fig. 2 is a schematic structural diagram of the first driving mechanism in fig. 1.
Fig. 3 is a schematic structural diagram of the second driving mechanism in fig. 1.
Wherein, 1-frame; 2-a first drive mechanism; 3-a second drive mechanism; 4-a drive roll; 5-a driven roller; 6, a telescopic rod; 7-a first rack; 8-a second rack; 9-a limiting plate; 10-gravity center piece; 11-a first positioning groove; 12-a positioning projection; 13-a second positioning groove; 14-an insulating layer; 15-leakage inductors; 16-a signal transmitter; 21-a first motor mount; 22-a first motor; 23-a first gear; 24-a reinforcement plate; 31-a second motor mount; 32-a second motor; 33-second gear.
Detailed Description
The technical solution of the present invention will be described clearly and completely through the following detailed description.
The utility model discloses an electric wire electric leakage detection device, which comprises a frame 1, a driving roller 4, a driven roller 5, a first driving mechanism 2, a second driving mechanism 3, a telescopic rod 6, an electric leakage inductor 15 and a signal emitter 16; the concrete structure is as shown in fig. 1, the frame 1 is a hollow cuboid structure which is vertically arranged, a driving roller 4 is horizontally and transversely arranged at the middle position in the frame, two ends of the driving roller 4 are respectively and rotatably connected with the left inner side wall and the right inner side wall of the frame 1, a first driving mechanism 2 is arranged right above the driving roller and close to the right side of the driving roller, and the driving roller rotates forwards and backwards through the first driving mechanism 2; the roll surface of the driving roll 4 is of a cylindrical structure, a first positioning groove 11 is further embedded in the middle of the roll surface along the circumferential direction, the first positioning groove 11 is of an arc-shaped structure, and a plurality of positioning protrusions 12 are further uniformly distributed on the outer surface of the first positioning groove at intervals along the circumferential direction.
The utility model is also provided with a first rack 7 along the circumferential direction at the right side of the roll surface of the driving roll 4, the first rack 7 is distributed in a ring shape, and the tooth surface is arranged outwards along the radial direction of the driving roll 4; as shown in fig. 1 and 2, the first driving mechanism 2 includes a first motor fixing seat 21, a first motor 22 and a first gear 23; a first motor fixing seat 21 is vertically arranged on the right side above the driving roller 4, the first motor fixing seat 21 is of an L-shaped structure, one end of the long side of the first motor fixing seat is horizontally and transversely arranged and is vertically and fixedly connected with the right inner side wall of the frame 1, and one end of the short side of the first motor fixing seat 21 is vertically and downwardly arranged and is not interfered with the driving roller 4; a first motor 22 is horizontally arranged on the inner side face of one end of the short side of the first motor fixing seat 21, the first motor 22 is fixedly connected with the first motor fixing seat 21 in a threaded manner, and the output end of the first motor 22 horizontally and vertically extends out of the outer side face of one end of the short side of the first motor fixing seat 21 and is in linkage connection with a vertically arranged first gear 23; the utility model discloses under the drive of first motor 22, through the meshing cooperation of first gear 23 and first rack 7, the fore-and-aft direction is rotated to drive roll 4.
As shown in fig. 1 and 2, a plurality of reinforcing plates 24 are further vertically arranged on an inner surface of one end of each long side of each first motor fixing seat 21 at intervals, each reinforcing plate 24 is fixedly connected to the first motor fixing seat 21 and the right inner side wall of the frame 1, and is arranged without interfering with the first motor 22, and supports and reinforces the first motor fixing seats 21.
The utility model is also provided with the telescopic rods 6 vertically and symmetrically at the left and right sides of the inner bottom surface of the frame 1, as shown in fig. 1 and fig. 3, the fixed end of each telescopic rod 6 is respectively and fixedly connected with the inner bottom surface of the frame 1, and the movement direction of the telescopic end is arranged in the vertical direction and is respectively and fixedly connected with the fixed end of the corresponding second driving mechanism 3; a driven roller 5 is horizontally and transversely arranged between the two second driving mechanisms 3, the driven roller 5 is arranged under the driving roller 4 in parallel, and two ends of the driven roller 5 are respectively and rotatably connected with fixed ends of the corresponding second driving mechanisms 3 and do vertical up-and-down reciprocating motion through the second driving mechanisms 3; the roller surface of the driven roller 5 is of a cylindrical structure, a second positioning groove 13 is further embedded in the middle of the roller surface along the circumferential direction of the roller surface, the second positioning groove 13 is of an arc-shaped structure, the arrangement position of the second positioning groove 13 corresponds to the arrangement position of the first positioning groove 11, and a plurality of positioning protrusions 12 are further uniformly distributed on the outer surface of the second positioning groove at intervals along the circumferential direction of the second positioning groove; the electric wire is clamped in the first positioning groove 11 and the second positioning groove 13, so that the phenomenon of deviation cannot occur in the process that the driving roller 4 and the driven roller 5 move along the electric wire, and the detection can be smoothly carried out; by providing the positioning protrusions 12, the occurrence of slipping during the movement of the drive roller 4 and the driven roller 5 along the electric wire is effectively prevented.
As shown in fig. 1, second racks 8 are also vertically and symmetrically arranged at positions lower than the left and right inner side walls of the frame 1, each second rack 8 is arranged right below the driving roller 4, and tooth surfaces of the second racks are respectively arranged towards the center direction of the frame 1; limiting plates 9 are horizontally and fixedly arranged at the upper end and the lower end of each second rack 8 respectively, and each limiting plate 9 is fixedly connected with the left inner side wall and the right inner side wall of the frame 1 respectively and limits the vertical up-and-down motion of the driven roller 5.
Each second driving mechanism 3 comprises a second motor fixing seat 31, a second motor 32 and a second gear 33; as shown in fig. 1 and 3, the lower surface of each second motor fixing seat 31 is fixedly connected with the telescopic end of the corresponding telescopic rod 6, and two ends of the driven roller 5 are rotatably connected with the side surface of the corresponding second motor fixing seat 31; a second motor 32 is further horizontally and fixedly arranged on one side, close to the corresponding inner side wall of the frame 1, of the upper surface of each second motor fixing seat 31, and the output end of each second motor 32 is horizontally and longitudinally arranged and is meshed with the corresponding second rack 8 through a second gear 33; the utility model discloses under the drive of second motor 32, through the meshing cooperation of second gear 33 and second rack 8, vertical up-and-down motion is done to driven voller 5.
The utility model is also vertically provided with a signal emitter 16 at the middle position of the upper surface of the frame 1, and the receiving end of the signal emitter 16 vertically extends downwards to the inside of the frame 1 and is electrically connected with a leakage inductor 15 which is horizontally arranged; as shown in fig. 1, an insulating layer 14 for protecting the electric leakage inductor 15 is horizontally arranged in the frame 1, the insulating layer 14 is arranged between the first driving mechanism 2 and the electric leakage inductor 15, and four peripheral edges of the insulating layer are respectively fixedly connected with the inner side wall of the frame 1 and support the electric leakage inductor 15; by providing the insulating layer 14, the electric leakage inductor 15 is effectively prevented from being damaged by a strong arc at the breakage on the electric wire. The utility model discloses well electric wire level vertically passes the front and back surface of frame 1 to the centre gripping is between drive roll 4 and driven voller 5, through mutually supporting of drive roll 4 and driven voller 5, and frame 1 is horizontal vertical reciprocating motion on the electric wire, and carries out the detection of electric wire electric leakage department through electric leakage inductor 15.
As shown in fig. 1, a center of gravity block 10 is further horizontally and fixedly arranged at the middle position of the inner bottom surface of the frame 1, and the center of gravity block 10 is arranged to be not interfered with the driven roller and the corresponding telescopic rod 6, so that the frame 1 is prevented from rotating on the electric wire.
The utility model discloses a theory of operation: firstly, horizontally and longitudinally penetrating an electric wire through the front surface and the rear surface of a frame 1 and penetrating the electric wire through a space between a driving roller 4 and a driven roller 5; then driven by a second motor 32, through the meshing fit of a second gear 33 and a second rack 8, the driven roller 5 moves vertically upwards and clamps the wires in the first positioning groove 11 and the second positioning groove 13; then, under the driving of a first motor 22, through the meshing fit of a first gear 23 and a first rack 7, the driving roller 4 rotates on the surface of the electric wire, so that the frame 1 is driven to horizontally move on the electric wire; when encountering the electric leakage part of the electric wire, the electric leakage inductor 15 induces the strong magnetic field of the electric arc at the electric leakage part and sends out a signal through the signal transmitter 16, thereby being convenient for an operator to directly carry out maintenance and repair.
The utility model has the advantages that: the utility model has simple structure and convenient use; the electric wire is clamped by the driving roller 4 and the driven roller 5, and the device is driven to move on the electric wire, so that the electric leakage position of the electric wire is conveniently found through the electric leakage inductor 15, a large amount of electric power loss is avoided, and the safety performance is improved.
The above-mentioned embodiments are only described as the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the technical content of the present invention, which is claimed by the present invention, is fully recorded in the technical claims.
Claims (10)
1. An electric wire leakage detection device, characterized in that: the device comprises a frame, a driving roller, a driven roller, a first driving mechanism, a second driving mechanism, a telescopic rod, a leakage inductor and a signal emitter; the frame is of a vertically arranged hollow cuboid structure, a driving roller is horizontally and transversely arranged in the middle of the frame, two ends of the driving roller are respectively rotatably connected with the left inner side wall and the right inner side wall of the frame, a first driving mechanism is arranged right above the driving roller and close to the right side of the driving roller, and the driving roller rotates forwards and backwards through the first driving mechanism; telescopic rods are also vertically and symmetrically arranged on the left side and the right side of the inner bottom surface of the frame, the fixed end of each telescopic rod is fixedly connected with the inner bottom surface of the frame respectively, the movement direction of the telescopic end of each telescopic rod is vertical, and the telescopic ends are fixedly connected with the fixed ends corresponding to the second driving mechanisms respectively; a driven roller is horizontally and transversely arranged between the two second driving mechanisms, is arranged under the driving roller in parallel, and is respectively rotatably connected with the fixed ends of the corresponding second driving mechanisms at two ends and vertically reciprocates through the second driving mechanisms; a signal emitter is vertically arranged in the middle of the upper surface of the frame, and a receiving end of the signal emitter vertically extends downwards into the frame and is electrically connected with the electric leakage inductor which is horizontally arranged; the electric wire horizontally and longitudinally penetrates through the front surface and the rear surface of the frame and is clamped between the driving roller and the driven roller, the frame horizontally and longitudinally reciprocates on the electric wire through the mutual matching of the driving roller and the driven roller, and the electric leakage position of the electric wire is detected through the electric leakage sensor.
2. An electric wire leakage detecting device according to claim 1, wherein: further comprising an insulating layer; an insulating layer used for protecting the electric leakage inductor is horizontally arranged in the frame, the insulating layer is arranged between the first driving mechanism and the electric leakage inductor, and the four peripheral edges of the insulating layer are respectively fixedly connected with the inner side wall of the frame and support the electric leakage inductor.
3. An electric wire leakage detecting device according to claim 1, wherein: the roller surface of the driving roller is also provided with a first rack along the circumferential direction at the right side, the first racks are distributed annularly, and the tooth surfaces of the first racks are arranged outwards along the radial direction of the driving roller.
4. An electric wire leakage detecting device according to claim 3, wherein: the first driving mechanism comprises a first motor fixing seat, a first motor and a first gear; a first motor fixing seat is vertically arranged on the right side above the driving roller, the first motor fixing seat is of an L-shaped structure, one end of the long side of the first motor fixing seat is horizontally and transversely arranged and is vertically and fixedly connected with the right inner side wall of the frame, and one end of the short side of the first motor fixing seat is vertically and downwardly arranged and is not interfered with the driving roller; a first motor is further horizontally arranged on the inner side face of one end of the short side of the first motor fixing seat, the first motor is fixedly connected with the first motor fixing seat in a threaded manner, and the output end of the first motor horizontally and vertically extends out of the outer side face of one end of the short side of the first motor fixing seat and is in linkage connection with the vertically arranged first gear; under the drive of the first motor, the driving roller rotates in the front-back direction through the meshing fit of the first gear and the first rack.
5. An electric wire leakage detecting device according to claim 4, wherein: also comprises a plurality of reinforcing plates; and a plurality of reinforcing plates are vertically arranged on the inner surface of one end of the long edge of each first motor fixing seat at intervals, and each reinforcing plate is fixedly connected with the first motor fixing seat and the right inner side wall of the frame respectively, arranged without interfering with the first motor respectively and used for supporting and reinforcing the first motor fixing seat respectively.
6. An electric wire leakage detecting device according to claim 1, wherein: second racks are also vertically and symmetrically arranged at the lower positions of the left inner side wall and the right inner side wall of the frame, each second rack is arranged right below the driving roller, and the tooth surfaces of the second racks are respectively arranged towards the central direction of the frame; and limiting plates are respectively and horizontally fixedly arranged at the upper end and the lower end of each second rack, and each limiting plate is respectively and fixedly connected with the left inner side wall and the right inner side wall of the frame and limits the vertical up-and-down motion of the driven roller.
7. An electric wire leakage detecting device according to claim 6, wherein: each second driving mechanism comprises a second motor fixing seat, a second motor and a second gear; the lower surface of each second motor fixing seat is fixedly connected with the telescopic end corresponding to the telescopic rod, and the two ends of the driven roller are rotatably connected with the side surfaces corresponding to the second motor fixing seats respectively; a second motor is horizontally and fixedly arranged on one side, close to the corresponding inner side wall of the frame, of the upper surface of each second motor fixing seat, and the output end of each second motor is horizontally and longitudinally arranged and is meshed and connected with the corresponding second rack through a second gear; under the drive of the second motor, the driven roller vertically reciprocates through the meshing and matching of the second gear and the second rack.
8. An electric wire leakage detecting device according to claim 1, wherein: and a gravity center block is horizontally and fixedly arranged in the middle of the inner bottom surface of the frame, and the gravity center block is arranged in a manner of not interfering with the driven roller and the corresponding telescopic rod.
9. An electric wire leakage detecting device according to claim 1, wherein: the roller surface of the driving roller is of a cylindrical structure, a first positioning groove is formed in the middle of the roller surface in an embedded mode along the circumferential direction of the roller surface, the first positioning groove is of an arc-shaped structure, and a plurality of positioning protrusions are uniformly distributed on the outer surface of the first positioning groove at intervals along the circumferential direction of the first positioning groove.
10. An electric wire leakage detecting device according to claim 9, wherein: the roller surface of the driven roller is of a cylindrical structure, a second positioning groove is further embedded in the middle of the roller surface along the circumferential direction of the roller surface, the second positioning groove is of an arc-shaped structure, the arrangement position of the second positioning groove corresponds to the arrangement position of the first positioning groove, and a plurality of positioning bulges are further uniformly distributed on the outer surface of the driven roller at intervals along the circumferential direction of the driven roller; the electric wire centre gripping is in first constant head tank and second constant head tank to prevent skidding through the location arch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022595625.0U CN213813910U (en) | 2020-11-11 | 2020-11-11 | Electric wire leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022595625.0U CN213813910U (en) | 2020-11-11 | 2020-11-11 | Electric wire leakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213813910U true CN213813910U (en) | 2021-07-27 |
Family
ID=76932099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022595625.0U Expired - Fee Related CN213813910U (en) | 2020-11-11 | 2020-11-11 | Electric wire leakage detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213813910U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113794946A (en) * | 2021-09-13 | 2021-12-14 | 南通理工学院 | Wireless communication equipment for port and use method thereof |
-
2020
- 2020-11-11 CN CN202022595625.0U patent/CN213813910U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113794946A (en) * | 2021-09-13 | 2021-12-14 | 南通理工学院 | Wireless communication equipment for port and use method thereof |
| CN113794946B (en) * | 2021-09-13 | 2023-09-29 | 南通理工学院 | Wireless communication equipment for port and application method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 Termination date: 20211111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |