CN113301450A - Protocol conversion gateway protection device based on intelligent wireless transmission - Google Patents
Protocol conversion gateway protection device based on intelligent wireless transmission Download PDFInfo
- Publication number
- CN113301450A CN113301450A CN202110215805.8A CN202110215805A CN113301450A CN 113301450 A CN113301450 A CN 113301450A CN 202110215805 A CN202110215805 A CN 202110215805A CN 113301450 A CN113301450 A CN 113301450A
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- Prior art keywords
- box body
- bevel gear
- wireless transmission
- protection device
- protocol conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
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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
- H04Q1/025—Cabinets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/04—Frames or mounting racks for selector switches; Accessories therefor, e.g. frame cover
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention provides a protocol conversion gateway protection device based on intelligent wireless transmission, which belongs to the technical field of communication equipment and comprises a box body, wherein a notch is formed in one side of the upper part of the box body, a clamping plate is detachably arranged in the notch, a connector assembly is arranged on one side in the box body, and a through hole is formed in the side wall of the box body; the joint assembly comprises a rotary drum and a rotary shaft which horizontally penetrates through the rotary drum and is rotatably connected with the inner wall of the box body. The embodiment of the invention has the advantages of simple structure, convenient operation and strong protection, the jack is arranged on the side wall of the rotary drum, when the device is not used, the knob can be rotated reversely, the knob drives the rotary rod to rotate reversely, the rotary shaft and the rotary drum are driven to rotate reversely by utilizing the meshing action between the first bevel gear and the second bevel gear so as to adjust the jack to the inside of the box body, thereby protecting the jack, avoiding the jack from being corroded by external dust and water vapor, causing the damage of a joint component and influencing the normal use of the protocol converter.
Description
Technical Field
The invention belongs to the technical field of communication equipment, and particularly relates to a protocol conversion gateway protection device based on intelligent wireless transmission.
Background
The protocol conversion gateway is also called protocol converter, also called interface converter, it CAN make the host computer adopting different high-level protocols in communication network still cooperate with each other to implement various distributed applications, it works in transmission layer or higher, the interface protocol converter CAN be implemented by using an ASIC chip generally, and its cost is low and volume is small, it CAN convert Ethernet or V.35 data interface of IEEE802.3 protocol and 2M interface of standard G.703 protocol into each other, also CAN convert between 232/485/422 serial port and E1, CAN interface and 2M interface.
At present, protocol converter is in the use, generally need to connect plug end and the socket grafting cooperation of protocol converter with the plug end of external wire, realizes the electricity and connects, but its socket of current protocol converter is direct exposing outside mostly, when not using, suffers the erosion of air dust and steam very easily, damages easily, consequently, current protocol converter protectiveness is relatively poor, can't satisfy the user demand.
Disclosure of Invention
In view of the above deficiencies of the prior art, an embodiment of the present invention provides a protocol conversion gateway protection device based on intelligent wireless transmission.
In order to solve the technical problems, the invention provides the following technical scheme:
a protocol conversion gateway protection device based on intelligent wireless transmission comprises a box body, wherein a notch is formed in one side of the upper portion of the box body, a clamping plate is detachably arranged in the notch, a connector assembly is arranged on one side of the inner portion of the box body, and a through hole is formed in the side wall of the box body; the joint subassembly includes that rotary drum and level run through the rotary drum and with the pivot of box inner wall rotation connection, the jack has been seted up to the rotary drum lateral wall, rotary drum one side still is provided with second bevel gear, the rotary drum laminate in the inside lateral wall of box, second bevel gear fixed mounting is in the pivot, vertical run through and rotation are provided with the bull stick on the cardboard, the fixed first bevel gear that is provided with in bull stick bottom, the fixed knob that is provided with in bull stick upper end, first bevel gear with second bevel gear meshing, the perforation has been seted up to the inside cavity of pivot and one end, wear to be equipped with the wire in the perforation, wire one end with the jack electricity is connected, and the other end is connected with the electrical components electricity inside the box.
As a further improvement of the invention: the joint of the rotating rod and the clamping plate is in running fit through a bearing.
As a further improvement of the invention: the cardboard with the breach is the L type structure of mutual adaptation, cardboard one end pass through the hinge with the box lateral wall is articulated to be linked to each other, and other end upper portion is fixed and is provided with first extension board, breach one side bottom is fixed and is provided with the second extension board, first extension board can overlap joint in second extension board upper portion links to each other with the second extension board through the screw.
As a further improvement of the invention: the outer wall of the rotary drum is further fixedly provided with a first limiting block and a second limiting block, the first limiting block can abut against the inner wall of the clamping plate, and the second limiting block can abut against the inner wall of the box body.
As a still further improvement of the invention: the inner side wall of the box body is further provided with an arc-shaped groove matched with the rotary drum, the rotary drum is abutted against the inner wall of the arc-shaped groove, the arc-shaped groove is communicated with the through hole, and the side wall of the rotary drum is further provided with a sealing layer.
As a still further improvement of the invention: the sealing layer is a rubber layer.
As a still further improvement of the invention: the sealing layer is a sponge layer.
Compared with the prior art, the invention has the beneficial effects that:
the embodiment of the invention has the advantages of simple structure, convenient operation and strong protection, the jack is arranged on the side wall of the rotary drum, when the device is not used, the knob can be rotated reversely, the knob drives the rotary rod to rotate reversely, the rotary shaft and the rotary drum are driven to rotate reversely by utilizing the meshing action between the first bevel gear and the second bevel gear so as to adjust the jack to the inside of the box body, thereby protecting the jack, avoiding the jack from being corroded by external dust and water vapor, causing the damage of a joint component and influencing the normal use of the protocol converter.
Drawings
Fig. 1 is a schematic structural diagram of a protocol conversion gateway protection device based on intelligent wireless transmission;
fig. 2 is a schematic structural diagram of a connector assembly in a protocol conversion gateway protection device based on intelligent wireless transmission;
FIG. 3 is an enlarged view of area A of FIG. 1;
in the figure: the device comprises a box body 1, a sealing layer 2, a rotating cylinder 3, a through hole 4, a first limiting block 5, a hinge 6, a clamping plate 7, a first bevel gear 8, a rotating rod 9, a bearing 10, a knob 11, a rotating shaft 12, a second bevel gear 13, a first extending plate 14, a screw 15, a second extending plate 16, a second limiting block 17, a wire 18, a through hole 19 and a jack 20.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-3, the embodiment provides a protocol conversion gateway protection device based on intelligent wireless transmission, including a box 1, a notch is formed on one side of the upper portion of the box 1, a card 7 is detachably disposed in the notch, a connector assembly is disposed on one side of the inside of the box 1, a through hole 4 is formed on a sidewall of the box 1, specifically, the connector assembly includes a rotating drum 3 and a rotating shaft 12 horizontally penetrating through the rotating drum 3 and rotatably connected to an inner wall of the box 1, a jack 20 is formed on a sidewall of the rotating drum 13, a second bevel gear 13 is further disposed on one side of the rotating drum 3, the rotating drum 3 is attached to the sidewall of the inside of the box 1, the second bevel gear 13 is fixedly mounted on the rotating shaft 12, a rotating rod 9 is vertically penetrated and rotatably disposed on the card 7, and a first bevel gear 8 is fixedly disposed at the bottom of the rotating rod 9, the upper end of the rotating rod 9 is fixedly provided with a knob 11, the first bevel gear 8 is meshed with the second bevel gear 13, the rotating shaft 12 is hollow, one end of the rotating shaft is provided with a through hole 19, a lead 18 penetrates through the through hole 19, one end of the lead 18 is electrically connected with the jack 20, and the other end of the lead is electrically connected with an electrical component inside the box body 1.
When the device is used, the knob 11 can be rotated, the knob 11 drives the rotating rod 9 to rotate so as to drive the first bevel gear 8 to rotate, the rotating shaft 12 and the rotating drum 3 are driven to rotate by utilizing the meshing action between the first bevel gear 8 and the second bevel gear 13, so that the jack 20 is adjusted to be corresponding to the position of the through hole 4, and at the moment, an external plug can be inserted into the jack 20 from the through hole 4, so that the connection of the port of the protocol converter is realized; when the device is not used, the knob 11 can be rotated reversely, the knob 11 drives the rotating rod 9 to rotate reversely, the rotating shaft 12 and the rotating drum 3 are driven to rotate reversely by utilizing the meshing action between the first bevel gear 8 and the second bevel gear 13, so that the jack 20 is adjusted to the inside of the box body 1, the jack 20 is protected, and the situation that the jack 20 is corroded by external dust and water vapor to damage a joint component and influence the normal use of the protocol converter is avoided; through the cardboard 7 of dismantling the setting, can dismantle cardboard 7 from the breach to the butt joint subassembly is maintained.
Specifically, the joint of the rotating rod 9 and the clamping plate 7 is in running fit through a bearing 10.
Specifically, cardboard 7 with the breach is the L type structure of mutual adaptation, cardboard 7 one end pass through hinge 6 with box 1 lateral wall is articulated to be connected to each other, and the fixed first extension board 14 that is provided with in other end upper portion, the fixed second extension board 16 that is provided with in breach one side bottom, first extension board 14 can overlap joint in second extension board 16 upper portion links to each other with second extension board 16 through screw 15.
When the clamping plate 7 needs to be disassembled, the screw 15 can be disassembled, then the clamping plate 7 is rotated along the hinge 6, the carving plate 7 can drive the rotating rod 9 and the first bevel gear 8 to synchronously rotate, so that the rotating rod 9 and the first bevel gear 8 are rotated out from the notch, and the first bevel gear 8, the second bevel gear 13, the rotating shaft 12 and the rotating drum 3 are maintained; through the arrangement of the first extension plate 14 and the second extension plate 16, when the notch is sealed, the stability of the clamping plate 7 and the fit degree between the notch can be improved.
In this embodiment, the outer wall of the rotary drum 13 is further fixedly provided with a first limiting block 5 and a second limiting block 17, the first limiting block 5 can abut against the inner wall of the clamping plate 7, the second limiting block 17 can abut against the inner wall of the box body 1, and the rotation range of the rotary drum 3 can be limited by the arrangement of the first limiting block 5 and the second limiting block 17, so that the jack 20 can rotate within a certain range, the rotation range of the jack 20 is prevented from being too large, the jack 20 cannot rotate to the through hole 4 quickly in a short time, and the normal butt joint of an external plug and the jack 20 is influenced.
The working principle of the embodiment is as follows: when the device is used, the knob 11 can be rotated, the knob 11 drives the rotating rod 9 to rotate so as to drive the first bevel gear 8 to rotate, the rotating shaft 12 and the rotating drum 3 are driven to rotate by utilizing the meshing action between the first bevel gear 8 and the second bevel gear 13, so that the jack 20 is adjusted to be corresponding to the position of the through hole 4, and at the moment, an external plug can be inserted into the jack 20 from the through hole 4, so that the connection of the port of the protocol converter is realized; when the device is not used, the knob 11 can be rotated reversely, the knob 11 drives the rotating rod 9 to rotate reversely, the rotating shaft 12 and the rotating drum 3 are driven to rotate reversely by utilizing the meshing action between the first bevel gear 8 and the second bevel gear 13, so that the jack 20 is adjusted to the inside of the box body 1, the jack 20 is protected, and the situation that the jack 20 is corroded by external dust and water vapor to damage a joint component and influence the normal use of the protocol converter is avoided; through the cardboard 7 of dismantling the setting, can dismantle cardboard 7 from the breach to the butt joint subassembly is maintained.
Example 2
Referring to fig. 1-2, in this embodiment, compared with embodiment 1, an arc-shaped groove adapted to the rotating drum 3 is further disposed on an inner side wall of the box 1, the rotating drum 3 abuts against an inner wall of the arc-shaped groove, the arc-shaped groove is communicated with the through hole 4, and a sealing layer 2 is further disposed on a side wall of the rotating drum 3.
When first bevel gear 8 drives second bevel gear 13 and rotates in order to drive pivot 12 and rotary drum 3 and rotate, rotary drum 3 can rotate at the arc wall is inside, and when not using, rotary drum 3 can rotate sealing layer 2 to the arc wall inside to carry out the shutoff to through-hole 4, and then improve through-hole 4's leakproofness, avoid outside dust and steam to get into inside 1 box from through-hole 4, cause the erosion damage to the electrical components of box 1 inside.
Specifically, the sealing layer 2 is a rubber layer or a sponge layer.
The embodiment of the invention has the advantages of simple structure, convenient operation and strong protection, the jack 20 is arranged on the side wall of the rotary drum 3, when the device is not used, the knob 11 can be rotated reversely, the knob 11 drives the rotary rod 9 to rotate reversely, the rotary shaft 12 and the rotary drum 3 are driven to rotate reversely by utilizing the meshing action between the first bevel gear 8 and the second bevel gear 13, so that the jack 20 is adjusted to the inside of the box body 1, the jack 20 is protected, and the phenomenon that the jack 20 is corroded by external dust and water vapor, so that a joint component is damaged, and the normal use of a protocol converter is influenced is avoided.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. The protocol conversion gateway protection device based on intelligent wireless transmission is characterized by comprising a box body (1), wherein a notch is formed in one side of the upper portion of the box body (1), a clamping plate (7) is detachably arranged in the notch, a connector assembly is arranged on one side of the inner portion of the box body (1), and a through hole (4) is formed in the side wall of the box body (1);
the joint component comprises a rotary drum (3) and a rotary shaft (12) which horizontally penetrates through the rotary drum (3) and is rotatably connected with the inner wall of the box body (1), jacks (20) are formed in the side wall of the rotary drum (13), a second bevel gear (13) is further arranged on one side of the rotary drum (3), the rotary drum (3) is attached to the inner side wall of the box body (1), the second bevel gear (13) is fixedly installed on the rotary shaft (12), a rotary rod (9) is vertically penetrated through and rotatably arranged on the clamping plate (7), a first bevel gear (8) is fixedly arranged at the bottom of the rotary rod (9), a knob (11) is fixedly arranged at the upper end of the rotary rod (9), the first bevel gear (8) is meshed with the second bevel gear (13), a through hole (19) is formed in the hollow inner part of the rotary shaft (12), a lead (18) is penetrated in the through hole (19), one end of the lead (18) is electrically connected with the jack (20), and the other end of the lead is electrically connected with an electrical element in the box body (1).
2. The intelligent wireless transmission-based protocol conversion gateway protection device according to claim 1, wherein the joint of the rotating rod (9) and the card board (7) is rotatably matched through a bearing (10).
3. The intelligent wireless transmission-based protocol conversion gateway protection device according to claim 1 or 2, wherein the card board (7) and the notch are in an L-shaped structure which is matched with each other, one end of the card board (7) is hinged to the side wall of the box body (1) through a hinge (6), a first extension board (14) is fixedly arranged at the upper part of the other end of the card board, a second extension board (16) is fixedly arranged at the bottom of one side of the notch, and the first extension board (14) can be lapped on the upper part of the second extension board (16) and is connected with the second extension board (16) through a screw (15).
4. The intelligent wireless transmission-based protocol conversion gateway protection device according to claim 1, wherein a first limit block (5) and a second limit block (17) are further fixedly arranged on the outer wall of the drum (13), the first limit block (5) can abut against the inner wall of the clamping plate (7), and the second limit block (17) can abut against the inner wall of the box body (1).
5. The intelligent wireless transmission-based protocol conversion gateway protection device according to claim 4, wherein an arc-shaped groove matched with the rotating drum (3) is further formed in the inner side wall of the box body (1), the rotating drum (3) abuts against the inner wall of the arc-shaped groove, the arc-shaped groove is communicated with the through hole (4), and a sealing layer (2) is further formed in the side wall of the rotating drum (3).
6. The intelligent wireless transmission-based protocol conversion gateway protection device according to claim 5, wherein the sealing layer (2) is a rubber layer.
7. The intelligent wireless transmission-based protocol conversion gateway protection device according to claim 5, wherein the sealing layer (2) is a sponge layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110215805.8A CN113301450B (en) | 2021-02-26 | 2021-02-26 | Protocol conversion gateway protector based on intelligent wireless transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110215805.8A CN113301450B (en) | 2021-02-26 | 2021-02-26 | Protocol conversion gateway protector based on intelligent wireless transmission |
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| Publication Number | Publication Date |
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| CN113301450A true CN113301450A (en) | 2021-08-24 |
| CN113301450B CN113301450B (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110215805.8A Active CN113301450B (en) | 2021-02-26 | 2021-02-26 | Protocol conversion gateway protector based on intelligent wireless transmission |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0737421Y2 (en) * | 1989-01-19 | 1995-08-23 | 富士通株式会社 | Fixing mechanism for accessories of electronic devices |
| KR20050119399A (en) * | 2004-06-16 | 2005-12-21 | 주식회사 팬택 | Semi- automatic opening and shutting apparatus of folder type mobile communication terminal |
| US20120099742A1 (en) * | 2010-10-22 | 2012-04-26 | Research In Motion Limited | Audio jack with esd protection |
| CN207306253U (en) * | 2017-10-19 | 2018-05-04 | 潍坊歌尔电子有限公司 | A kind of telescopic device and wearable device |
| CN108490300A (en) * | 2018-06-27 | 2018-09-04 | 南安市威速电子科技有限公司 | One kind having jack safeguard function external application table |
| CN110032255A (en) * | 2019-04-16 | 2019-07-19 | 江苏海事职业技术学院 | A kind of computer dust guard |
| CN209608792U (en) * | 2019-04-17 | 2019-11-08 | 浙江恒信科技股份有限公司 | The gateway interface of intelligent building synthesis management system |
| CN209881108U (en) * | 2019-05-07 | 2019-12-31 | 广州市聚乐音响设备有限公司 | Power supply time sequence device with protection function |
| CN110955299A (en) * | 2019-11-28 | 2020-04-03 | 广州市妙伊莲科技有限公司 | Software testing device convenient to transport and having protection function |
| CN210404157U (en) * | 2019-11-07 | 2020-04-24 | 山东博远数据服务有限公司 | Mobile data processing connector based on USB interface |
| CN211481413U (en) * | 2020-01-13 | 2020-09-11 | 陈朝南 | Switch with small forwarding delay |
| CN111786910A (en) * | 2020-06-03 | 2020-10-16 | 肇庆市小凡人科技有限公司 | Switch with dustproof function |
-
2021
- 2021-02-26 CN CN202110215805.8A patent/CN113301450B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0737421Y2 (en) * | 1989-01-19 | 1995-08-23 | 富士通株式会社 | Fixing mechanism for accessories of electronic devices |
| KR20050119399A (en) * | 2004-06-16 | 2005-12-21 | 주식회사 팬택 | Semi- automatic opening and shutting apparatus of folder type mobile communication terminal |
| US20120099742A1 (en) * | 2010-10-22 | 2012-04-26 | Research In Motion Limited | Audio jack with esd protection |
| CN207306253U (en) * | 2017-10-19 | 2018-05-04 | 潍坊歌尔电子有限公司 | A kind of telescopic device and wearable device |
| CN108490300A (en) * | 2018-06-27 | 2018-09-04 | 南安市威速电子科技有限公司 | One kind having jack safeguard function external application table |
| CN110032255A (en) * | 2019-04-16 | 2019-07-19 | 江苏海事职业技术学院 | A kind of computer dust guard |
| CN209608792U (en) * | 2019-04-17 | 2019-11-08 | 浙江恒信科技股份有限公司 | The gateway interface of intelligent building synthesis management system |
| CN209881108U (en) * | 2019-05-07 | 2019-12-31 | 广州市聚乐音响设备有限公司 | Power supply time sequence device with protection function |
| CN210404157U (en) * | 2019-11-07 | 2020-04-24 | 山东博远数据服务有限公司 | Mobile data processing connector based on USB interface |
| CN110955299A (en) * | 2019-11-28 | 2020-04-03 | 广州市妙伊莲科技有限公司 | Software testing device convenient to transport and having protection function |
| CN211481413U (en) * | 2020-01-13 | 2020-09-11 | 陈朝南 | Switch with small forwarding delay |
| CN111786910A (en) * | 2020-06-03 | 2020-10-16 | 肇庆市小凡人科技有限公司 | Switch with dustproof function |
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| CN113301450B (en) | 2023-07-04 |
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