CN108712327B - Wired access screens formula gateway device - Google Patents
Wired access screens formula gateway device Download PDFInfo
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- CN108712327B CN108712327B CN201810295081.0A CN201810295081A CN108712327B CN 108712327 B CN108712327 B CN 108712327B CN 201810295081 A CN201810295081 A CN 201810295081A CN 108712327 B CN108712327 B CN 108712327B
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 6
- 238000012938 design process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/13—Patch panels for monitoring, interconnecting or testing circuits, e.g. patch bay, patch field or jack field; Patching modules
Abstract
The invention relates to a wired access clamping type gateway device, which introduces an electromechanical control structure aiming at the existing wired connection structure of a gateway, adopts a connection structure of a clamping piece (2) and an electric rotating shaft (4), realizes the rotation of the clamping piece (2) based on the control of the electric rotating shaft (4), and realizes the clamping aiming at limited wire harnesses by matching with each notch (9) designed on the edge of the clamping piece (2) corresponding to each wired wire harness, then adopts the synchronous work of each miniature electric control telescopic rod (6) to synchronously push the electric rotating shaft (4) connected at the same time, finishes the traction operation, realizes the firm connection of each wired joint, and can effectively ensure the stability of wired connection signals.
Description
Technical Field
The invention relates to a wired access card type gateway device, belonging to the technical field of network equipment.
Background
The gateway is also called an internetwork connector and a protocol converter, and the gateway realizes network interconnection above a network layer, is the most complex network interconnection device and is only used for the interconnection of two networks with different high-level protocols. The gateway can be used for interconnection of wide area networks and local area networks, the gateway is a computer system or device acting as a conversion task, and is used between different communication protocols, data formats or languages, even between two systems with completely different architectures, the gateway in the prior art has developed quite mature on the network technology level, but in practical application, there still exist some disadvantages, wired access is the most basic communication connection mode in network connection, although wireless technology is mature nowadays, the stability and reliability of wired connection still have their advantages, but these advantages must be established at the firm wired connection point of communication lines, but if the force is applied, the force is necessarily applied to the connection, and the force is applied to the connection at this time, whether the firmness of the wired connection is affected, but in practical application, any emergency is uncertain and therefore it becomes equally important to enhance the robustness of the wired connection while preserving the manner in which the wires are connected.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a wired access card type gateway device which introduces an electromechanical control structure aiming at the existing wired connection structure of the gateway, adopts an automatic mode and can effectively improve the firmness of wired connection points.
The invention adopts the following technical scheme for solving the technical problems: the invention designs a wired access card type gateway device, which comprises a gateway device body, a clamping piece with an L-shaped end part, at least one miniature electric control telescopic rod, a control module, an electric rotating shaft, a control button and a synchronous motor driving circuit, wherein the electric rotating shaft, the control button and the synchronous motor driving circuit are respectively connected with the control module; the control module is connected with a power module in the gateway device body to take power, and the control module supplies power for the electric rotating shaft and the control button respectively; the control module and the synchronous motor driving circuit are arranged in the gateway device body, and the control button is arranged on one side edge of the gateway device body; the synchronous motor driving circuit comprises a first NPN type triode Q1, a second NPN type triode Q2, a third PNP type triode Q3, a fourth PNP type triode Q4, a first resistor R1, a second resistor R2, a third resistor R3 and a fourth resistor R4; one end of the first resistor R1 is connected to the positive power supply end of the control module, and the other end of the first resistor R1 is connected to the collector of the first NPN transistor Q1 and the collector of the second NPN transistor Q2, respectively; an emitting electrode of the first NPN type triode Q1 and an emitting electrode of the second NPN type triode Q2 are respectively connected to two ends of the telescopic motor group, and meanwhile, an emitting electrode of the first NPN type triode Q1 is connected with an emitting electrode of the third PNP type triode Q3, and an emitting electrode of the second NPN type triode Q2 is connected with an emitting electrode of the fourth PNP type triode Q4; the collector of the third PNP triode Q3 is connected with the collector of the fourth PNP triode Q4 and is grounded; the base electrode of the first NPN type triode Q1 is connected with the base electrode of the third PNP type triode Q3 and is connected with the control module through a second resistor R2; the base electrode of the second NPN type triode Q2 is connected with the control module through a third resistor R3; the base electrode of the fourth PNP type triode Q4 is connected with the control module through a fourth resistor R4; each wired interface is arranged on one side edge of the gateway device body, the distance between two ends of the clamping piece is equal to the length of the side edge of the gateway device body on which the wired interfaces are arranged, the length of the electric rotating shaft is equal to the distance between two ends of the clamping piece, the electric rotating shaft is butted with one edge between two ends of the clamping piece, and the clamping piece rotates by taking the electric rotating shaft as a shaft under the control of the electric rotating shaft; the top end of each telescopic rod on each miniature electric control telescopic rod is respectively connected with the side surface of the electric rotating shaft, the telescopic rods on each miniature electric control telescopic rod are parallel to each other, and each miniature electric control telescopic rod works synchronously; the motor of each miniature electric control telescopic rod is respectively and fixedly arranged on the upper surface of the gateway device body, and the telescopic rod on each miniature electric control telescopic rod is in a horizontal posture, and the straight line of the electric rotating shaft is parallel to the side edge of the gateway device body provided with the wired interface, the concave area between the two ends of the clamping piece faces the wired interface on the gateway device body in the rotating process of the clamping piece by taking the electric rotating shaft as the shaft, and at least one notch is arranged on the other edge of the two ends of the clamping piece which is relatively connected with the electric rotating shaft, the number of the notches is equal to the number of the wired interfaces on the gateway device body, and the inner diameter of the notch is adapted to the outer diameter of a wire harness connected with the wired interface on the gateway device body, each notch on the clamping piece is respectively in one-to-one correspondence with each wired interface on the gateway device body, and the position of each notch on the clamping piece is respectively in correspondence with the position of the corresponding wired interface on the gateway device body.
As a preferred technical scheme of the invention: each miniature electric control telescopic rod is a brushless motor electric control telescopic rod.
As a preferred technical scheme of the invention: the control module is a microprocessor.
As a preferred technical scheme of the invention: the microprocessor is an ARM processor.
Compared with the prior art, the wired access card type gateway device adopting the technical scheme has the following technical effects:
(1) the invention designs a wired access blocking type gateway device, which introduces an electromechanical control structure aiming at the existing gateway wired connection structure, adopts a connection structure of a clamping piece and an electric rotating shaft, realizes the rotation of the clamping piece based on the control of the electric rotating shaft, and realizes the blocking aiming at limited wire harnesses by matching with each notch designed on the edge of the clamping piece corresponding to each wired wire harness;
(2) in the wired access blocking type gateway device designed by the invention, the brushless motor electric control telescopic rods are further designed and adopted aiming at each micro electric control telescopic rod, so that the designed wired access blocking type gateway device can realize mute work in the actual working process, the stability of the wired access blocking type gateway device in a wired mode is ensured, the working process of the wired access blocking type gateway device is not influenced to the surrounding environment, and the humanized design in the design process is embodied;
(3) in the wired access card type gateway device designed by the invention, a microprocessor is further designed and adopted aiming at the control module, and an ARM processor is specifically applied, so that the wired access card type gateway device can meet the expansion requirement aiming at the designed wired access card type gateway device in the later period on one hand, and the simple control architecture mode can facilitate the later maintenance on the other hand.
Drawings
Fig. 1 is a schematic structural diagram of a wired access card type gateway device designed by the present invention.
The gateway device comprises a gateway device body 1, a clamping piece 2, a control module 3, an electric rotating shaft 4, a control button 5, a miniature electric control telescopic rod 6, a wired interface 7, a synchronous motor driving circuit 8 and a notch 9.
Detailed Description
The following description will explain embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1, the present invention designs a wired access card type gateway device, which comprises a gateway device body 1, a card 2 with an L-shaped end portion, at least one micro electric control telescopic rod 6 and a control module 3, and an electric rotating shaft 4, a control button 5 and a synchronous motor driving circuit 8 which are respectively connected with the control module 3; the control module 3 is connected with a power module in the gateway device body 1 to get electricity, the control module 3 supplies power for the electric rotating shaft 4 and the control button 5 respectively, and meanwhile, the control module 3 supplies power for each miniature electric control telescopic rod 6 through the synchronous motor driving circuit 8; the control module 3 and the synchronous motor driving circuit 8 are arranged inside the gateway device body 1, and the control button 5 is arranged on one side edge of the gateway device body 1; the synchronous motor driving circuit 8 comprises a first NPN type triode Q1, a second NPN type triode Q2, a third PNP type triode Q3, a fourth PNP type triode Q4, a first resistor R1, a second resistor R2, a third resistor R3 and a fourth resistor R4; one end of the first resistor R1 is connected to the positive power supply end of the control module 3, and the other end of the first resistor R1 is connected to the collector of the first NPN transistor Q1 and the collector of the second NPN transistor Q2, respectively; an emitting electrode of the first NPN type triode Q1 and an emitting electrode of the second NPN type triode Q2 are respectively connected to two ends of the telescopic motor group, and meanwhile, an emitting electrode of the first NPN type triode Q1 is connected with an emitting electrode of the third PNP type triode Q3, and an emitting electrode of the second NPN type triode Q2 is connected with an emitting electrode of the fourth PNP type triode Q4; the collector of the third PNP triode Q3 is connected with the collector of the fourth PNP triode Q4 and is grounded; the base electrode of the first NPN type triode Q1 is connected with the base electrode of the third PNP type triode Q3 and is connected with the control module 3 through a second resistor R2; the base electrode of the second NPN type triode Q2 is connected with the control module 3 through a third resistor R3; the base electrode of the fourth PNP type triode Q4 is connected with the control module 3 through a fourth resistor R4; each wired interface 7 is arranged on one side edge of the gateway device body 1, the distance between two ends of the clamping piece 2 is equal to the length of the side edge provided with the wired interface 7 on the gateway device body 1, the length of the electric rotating shaft 4 is equal to the distance between two ends of the clamping piece 2, the electric rotating shaft 4 is butted with one edge between two ends of the clamping piece 2, and the clamping piece 2 rotates by taking the electric rotating shaft 4 as a shaft under the control of the electric rotating shaft 4; the top end of the telescopic rod on each miniature electric control telescopic rod 6 is respectively connected with the side surface of the electric rotating shaft 4, the telescopic rods on each miniature electric control telescopic rod 6 are parallel to each other, and each miniature electric control telescopic rod 6 works synchronously; the motor of each miniature electric control telescopic rod 6 is respectively and fixedly arranged on the upper surface of the gateway device body 1, the telescopic rod on each miniature electric control telescopic rod 6 is in a horizontal posture, the straight line of the electric rotating shaft 4 is parallel to the side edge of the gateway device body 1 provided with the wired interface 7, the concave area between the two ends of the clamping piece 2 faces the wired interface 7 on the gateway device body 1 in the rotating process of the clamping piece by taking the electric rotating shaft 4 as an axis, at least one notch 9 is arranged on the other side between the two ends of the clamping piece 2 which is relatively connected with the electric rotating shaft 4, the number of the notches 9 is equal to the number of the wired interfaces 7 on the gateway device body 1, the inner diameter of each notch 9 is adapted to the outer diameter of a wire harness connected with the wired interface 7 on the gateway device body 1, each notch 9 on the clamping piece 2 is respectively in one-, the positions of the notches 9 on the clamping piece 2 correspond to the positions of the wired interfaces 7 on the gateway device body 1 respectively. Above-mentioned technical scheme designs wired access screens formula gateway device, to current gateway wired connection structure, introduce electromechanical control structure, adopt fastener 2 and the continuous structure of electronic pivot 4, based on the control of electronic pivot 4, realize the rotation of fastener 2, and cooperate each notch 9 that each wired pencil was designed on 2 edges of fastener, realize the screens to limited pencil, then, adopt the synchronous working of each miniature automatically controlled telescopic link 6 again, carry out synchronous propulsion to the electronic pivot 4 that connects simultaneously, accomplish and pull the operation, realize the firm connection of each wired joint, can effectively guarantee the stability of wired connection signal.
Based on the technical scheme of designing the wired access card type gateway device, the invention further designs the following preferred technical scheme: aiming at each miniature electric control telescopic rod 6, a brushless motor electric control telescopic rod is further designed, so that the designed wired access clamping type gateway device can realize mute work in the actual working process, the stability of the wired mode of the designed wired access clamping type gateway device is ensured, the working process of the wired access clamping type gateway device is also ensured not to influence the surrounding environment, and the humanized design in the design process is embodied; aiming at the control module 3, the microprocessor is further designed and adopted, and the ARM processor is specifically applied, so that the system can be suitable for the expansion requirement of the designed wired access card type gateway device in the later period on the one hand, and the simple control architecture mode can be convenient for the maintenance in the later period on the other hand.
The invention designs a wired access card type gateway device in the practical application process, which specifically comprises a gateway device body 1, a card 2 with an L-shaped end part, at least one brushless motor electric control telescopic rod, an ARM processor, an electric rotating shaft 4, a control button 5 and a synchronous motor driving circuit 8, wherein the electric rotating shaft 4, the control button 5 and the synchronous motor driving circuit are respectively connected with the ARM processor; the electric control telescopic rods of the brushless motors are connected in parallel to form a telescopic motor set, the telescopic motor set is connected with an ARM processor through a synchronous motor driving circuit 8, the ARM processor is connected with a power module in the gateway device body 1 to take power, the ARM processor supplies power for the electric rotating shaft 4 and the control button 5 respectively, and meanwhile, the ARM processor supplies power for the electric control telescopic rods of the brushless motors through the synchronous motor driving circuit 8; the ARM processor and the synchronous motor driving circuit 8 are arranged inside the gateway device body 1, and the control button 5 is arranged on one side edge of the gateway device body 1; the synchronous motor driving circuit 8 comprises a first NPN type triode Q1, a second NPN type triode Q2, a third PNP type triode Q3, a fourth PNP type triode Q4, a first resistor R1, a second resistor R2, a third resistor R3 and a fourth resistor R4; one end of the first resistor R1 is connected with the positive power supply end of the ARM processor, and the other end of the first resistor R1 is respectively connected with the collector of the first NPN type triode Q1 and the collector of the second NPN type triode Q2; an emitting electrode of the first NPN type triode Q1 and an emitting electrode of the second NPN type triode Q2 are respectively connected to two ends of the telescopic motor group, and meanwhile, an emitting electrode of the first NPN type triode Q1 is connected with an emitting electrode of the third PNP type triode Q3, and an emitting electrode of the second NPN type triode Q2 is connected with an emitting electrode of the fourth PNP type triode Q4; the collector of the third PNP triode Q3 is connected with the collector of the fourth PNP triode Q4 and is grounded; the base electrode of the first NPN type triode Q1 is connected with the base electrode of the third PNP type triode Q3 and is connected with the ARM processor through a second resistor R2; the base electrode of the second NPN type triode Q2 is connected with the ARM processor through a third resistor R3; the base electrode of the fourth PNP type triode Q4 is connected with the ARM processor through a fourth resistor R4; each wired interface 7 is arranged on one side edge of the gateway device body 1, the distance between two ends of the clamping piece 2 is equal to the length of the side edge provided with the wired interface 7 on the gateway device body 1, the length of the electric rotating shaft 4 is equal to the distance between two ends of the clamping piece 2, the electric rotating shaft 4 is butted with one edge between two ends of the clamping piece 2, and the clamping piece 2 rotates by taking the electric rotating shaft 4 as a shaft under the control of the electric rotating shaft 4; the top end of the telescopic rod on each brushless motor electric control telescopic rod is respectively connected with the side surface of the electric rotating shaft 4, the telescopic rods on each brushless motor electric control telescopic rod are parallel to each other, and the brushless motor electric control telescopic rods work synchronously; the motors of the brushless motor electric control telescopic rods are respectively and fixedly arranged on the upper surface of the gateway device body 1, the telescopic rods on the brushless motor electric control telescopic rods are in a horizontal posture, the straight line of the electric rotating shaft 4 is parallel to the side edge of the gateway device body 1 provided with the wired interfaces 7, the concave area between the two ends of the clamping piece 2 faces the wired interfaces 7 on the gateway device body 1 in the rotating process of the clamping piece 2 by taking the electric rotating shaft 4 as an axis, at least one notch 9 is arranged on the other side between the two ends of the clamping piece 2 which is relatively connected with the electric rotating shaft 4, the number of the notches 9 is equal to the number of the wired interfaces 7 on the gateway device body 1, the inner diameter of each notch 9 is adapted to the outer diameter of a wire harness connected with the wired interfaces 7 on the gateway device body 1, and each notch 9 on the clamping piece 2 is respectively in, the positions of the notches 9 on the clamping piece 2 correspond to the positions of the wired interfaces 7 on the gateway device body 1 respectively. In practical application, a user firstly butt-joints each communication wire harness with each wired interface 7 on the side of the gateway device body 1, then the user touches the designed control button 5 to send a clamping command to the ARM processor, after receiving the command, the ARM processor immediately sends a control command to the electric rotating shaft 4 connected with the ARM processor to control the electric rotating shaft 4 to work and drive the clamping piece 2 to rotate along with the electric rotating shaft 4, because the positions of each notch 9 on the clamping piece 2 correspond to the positions of the corresponding wired interfaces 7 on the gateway device body 1 respectively, and the inner diameter of each notch 9 is adapted to the outer diameter of the wire harness connected with the wired interfaces 7 on the gateway device body 1, each notch 9 on the clamping piece 2 is clamped on each communication wire harness along with the rotation of the clamping piece 2, then the ARM processor sends a traction command to the synchronous motor driving circuit 8, synchronous machine drive circuit 8 generates corresponding traction instruction according to the received traction command to send simultaneously for each brushless motor automatically controlled telescopic link, control each brushless motor automatically controlled telescopic link synchronous working shrink, based on notch 9 screens to the communication pencil on fastener 2, further give each communication pencil respectively to its even application of force that has line interface 7 direction, guarantee each communication pencil and even fastness between line interface 7, further guarantee wired communication's stability.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (4)
1. A wired access card formula gateway device which characterized in that: the gateway device comprises a gateway device body (1), a clamping piece (2) with an L-shaped end part, at least one miniature electric control telescopic rod (6), a control module (3), an electric rotating shaft (4), a control button (5) and a synchronous motor driving circuit (8), wherein the electric rotating shaft, the control button (5) and the synchronous motor driving circuit are respectively connected with the control module (3); the intelligent gateway device comprises a gateway device body (1), a control module (3), a synchronous motor drive circuit (8), a power module, a control button (5), a control module (3) and a micro electric control telescopic rod (6), wherein the micro electric control telescopic rods (6) are connected in parallel to form a telescopic motor set, the telescopic motor set is connected with the control module (3) through the synchronous motor drive circuit (8), the control module (3) is connected with the power module in the gateway device body (1) to get electricity, the control module (3) supplies power for the electric rotating shaft (4) and the control button (5) respectively, and meanwhile, the control module (3) supplies power for; the control module (3) and the synchronous motor driving circuit (8) are arranged inside the gateway device body (1), and the control button (5) is arranged on one side edge of the gateway device body (1); the synchronous motor driving circuit (8) comprises a first NPN type triode Q1, a second NPN type triode Q2, a third PNP type triode Q3, a fourth PNP type triode Q4, a first resistor R1, a second resistor R2, a third resistor R3 and a fourth resistor R4; one end of the first resistor R1 is connected with the positive power supply end of the control module (3), and the other end of the first resistor R1 is respectively connected with the collector of the first NPN type triode Q1 and the collector of the second NPN type triode Q2; an emitting electrode of the first NPN type triode Q1 and an emitting electrode of the second NPN type triode Q2 are respectively connected to two ends of the telescopic motor group, and meanwhile, an emitting electrode of the first NPN type triode Q1 is connected with an emitting electrode of the third PNP type triode Q3, and an emitting electrode of the second NPN type triode Q2 is connected with an emitting electrode of the fourth PNP type triode Q4; the collector of the third PNP triode Q3 is connected with the collector of the fourth PNP triode Q4 and is grounded; the base electrode of the first NPN type triode Q1 is connected with the base electrode of the third PNP type triode Q3 and is connected with the control module (3) through a second resistor R2; the base electrode of the second NPN type triode Q2 is connected with the control module (3) through a third resistor R3; the base electrode of the fourth PNP type triode Q4 is connected with the control module (3) through a fourth resistor R4; each wired interface (7) is arranged on one side edge of the gateway device body (1), the distance between the two ends of the clamping piece (2) is equal to the length of the side edge provided with the wired interface (7) on the gateway device body (1), the length of the electric rotating shaft (4) is equal to the distance between the two ends of the clamping piece (2), the electric rotating shaft (4) is butted with one edge between the two ends of the clamping piece (2), and the clamping piece (2) rotates by taking the electric rotating shaft (4) as an axis under the control of the electric rotating shaft (4); the top end of the telescopic rod on each micro electric control telescopic rod (6) is respectively connected with the side surface of the electric rotating shaft (4), the telescopic rods on each micro electric control telescopic rod (6) are parallel to each other, and each micro electric control telescopic rod (6) works synchronously; the motors of the miniature electric control telescopic rods (6) are respectively and fixedly arranged on the upper surface of the gateway device body (1), the telescopic rods on the miniature electric control telescopic rods (6) are in a horizontal posture, the straight line of the electric rotating shaft (4) is parallel to the side edge of the gateway device body (1) provided with the wired interface (7), the concave area between the two ends of the clamping piece (2) faces the wired interface (7) on the gateway device body (1) in the rotating process of taking the electric rotating shaft (4) as an axis, at least one notch (9) is arranged on the other edge of the two ends of the clamping piece (2) which is relatively connected with the electric rotating shaft (4), the number of the notches (9) is equal to the number of the wired interfaces (7) on the gateway device body (1), and the inner diameter of the notch (9) is adapted to the outer diameter connected with the wired wiring harness interface (7) on the gateway device body (1), each notch (9) on the clamping piece (2) is respectively corresponding to each wired interface (7) on the gateway device body (1), and the position of each notch (9) on the clamping piece (2) is respectively corresponding to the position of the corresponding wired interface (7) on the gateway device body (1).
2. A wired access card type gateway device according to claim 1, wherein: each miniature electric control telescopic rod (6) is a brushless motor electric control telescopic rod.
3. A wired access card type gateway device according to claim 1, wherein: the control module (3) is a microprocessor.
4. A wired access card type gateway device according to claim 3, wherein: the microprocessor is an ARM processor.
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| CN201810295081.0A CN108712327B (en) | 2018-03-30 | 2018-03-30 | Wired access screens formula gateway device |
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| CN201810295081.0A CN108712327B (en) | 2018-03-30 | 2018-03-30 | Wired access screens formula gateway device |
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| CN104320331A (en) * | 2014-10-29 | 2015-01-28 | 湖州高鼎智能科技有限公司 | Plug-in type gateway smart host |
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| CN206193796U (en) * | 2016-10-20 | 2017-05-24 | 刘黎明 | Computer network safety controller |
| CN107171951A (en) * | 2017-06-30 | 2017-09-15 | 南宁市振永科技有限公司 | A kind of intelligent control gateway of intelligent domestic system |
| CN107426632A (en) * | 2017-08-04 | 2017-12-01 | 合肥不止信息科技有限公司 | A kind of router heat abstractor |
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| US8774378B2 (en) * | 2006-11-02 | 2014-07-08 | Digifonica (International) Limited | Allocating charges for communications services |
| CN104320331A (en) * | 2014-10-29 | 2015-01-28 | 湖州高鼎智能科技有限公司 | Plug-in type gateway smart host |
| CN107393183A (en) * | 2017-07-27 | 2017-11-24 | 福州台江区超人电子有限公司 | A kind of shared system of shared electric bicycle |
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