Expandable RS485 concentrator
By designing an expandable RS485 hub and using the expansion structure to achieve interface expansion, the problem of insufficient expansion of the existing RS485 hub is solved, simplified the line management process and protected the unused interface.
Patent Information
- Application Number
- CN202422252707.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-09-13
AI Technical Summary
The existing RS485 hub has weak expansion ability and requires additional interfaces for external wiring, which leads to difficulty in managing wires.
A expandable RS485 hub is designed to achieve horizontal expansion through the integration of the expansion mother seat and the expansion male seat, vertical expansion through the integration of the expansion plug and the expansion jack, and protect the unconnected interface through the protective sleeve to reduce the use of wires.
It is possible to expand the interface without using external wiring, reduce the difficulty of wire management, and protect the unused interface to ensure the normal use of the expansion function.
Smart Images
Figure CN223052445U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hubs, in particular to an expandable RS485 hub. Background Art
[0002] An RS485 hub is a communication device used to expand the number of RS485 bus nodes and extend the communication distance. It can divide an RS485 bus into multiple branches, and multiple RS485 devices can be connected to each branch. At the same time, it provides electrical isolation and signal enhancement functions.
[0003] The expandability of existing RS485 hubs is relatively weak. When the hub interfaces are insufficient, external wiring materials are often needed to connect two groups of RS485 hubs to achieve the purpose of increasing interfaces. However, the external wiring materials will increase the number of wire connections of the hub, causing certain difficulties in cable management of the RS485 hub.
[0004] Therefore, an expandable RS485 hub can be designed so that the RS485 hubs can be connected to each other without external wiring materials to increase the number of interfaces, thereby reducing the difficulty of cable management. Summary of the Utility Model
[0005] In order to overcome the problem that the expandability of most RS485 hubs is relatively weak. When the hub interfaces are insufficient, external wiring materials are often needed to connect two groups of RS485 hubs to achieve the purpose of increasing interfaces. However, the external wiring materials will increase the number of wire connections of the hub, causing certain difficulties in cable management of the RS485 hub.
[0006] The technical solution of the utility model is: an expandable RS485 hub, which includes a hub body, an expansion female socket, an expansion plug, a male socket protective sleeve, a jack protective strip, an expansion male socket, an expansion jack, a female socket protective sleeve and a plug protective strip; an expansion female socket is arranged on one side of the hub body, an expansion male socket is arranged on one side of the hub body, the expansion female socket and the expansion male socket can be mutually engaged, a female socket protective sleeve is arranged above the expansion female socket, a male socket protective sleeve is arranged below the expansion male socket, an expansion plug is arranged above the hub body, a plug protective strip is arranged above the expansion plug, expansion jacks are opened at the bottom of the hub body, the expansion jacks and the expansion plugs can be mutually engaged, and a jack protective strip is arranged at the bottom of the expansion jacks.
[0007] Preferably, the function of the hub is realized by connecting the wire to the hub body. The two groups of hub bodies can be horizontally expanded by the mutual engagement of the expansion female socket and the expansion male socket, and the two groups of hub bodies can be vertically expanded by the mutual engagement of the expansion plug and the expansion socket. The unconnected expansion male socket is protected by the male socket protective sleeve, the unconnected expansion socket is protected by the socket protective strip, the unconnected expansion female socket is protected by the female socket protective sleeve, and the unconnected expansion plug is protected by the plug protective strip.
[0008] Preferably, multiple groups of expansion interfaces are provided on one side of the hub body, and an interface indicator light is provided on one side of each group of expansion interfaces.
[0009] Preferably, a power socket is provided on one side of the hub body, and an operation indicator light is provided on one side of the power socket.
[0010] Preferably, four groups of expansion posts are provided inside the expansion female socket, and an expansion hole is provided on one side of the expansion post.
[0011] Preferably, four groups of expansion plugs are provided, and the four groups of expansion plugs are arranged in a straight line. An access jack is provided on one side of the expansion plug.
[0012] Preferably, four groups of expansion pins are provided inside the expansion male socket, and the diameter of the expansion pins is slightly smaller than the inner diameter of the expansion hole.
[0013] Preferably, four groups of expansion sockets are provided, and the positions of the four groups of expansion sockets are arranged in one-to-one correspondence with the four groups of expansion plugs. Access pins are provided inside the expansion sockets.
[0014] Preferably, the shape of the male socket protective sleeve matches the expansion female socket, the shape of the socket protective strip matches the expansion socket, the shape of the female socket protective sleeve matches the expansion male socket, and the shape of the plug protective strip matches the expansion plug
[0015] Advantages of the present utility model:
[0016] The two groups of hub bodies can be horizontally expanded by the mutual engagement of the expansion female socket and the expansion male socket, and the two groups of hub bodies can be vertically expanded by the mutual engagement of the expansion plug and the expansion socket, so as to realize the expansion of the interface without using external wires, reduce the use of wires, reduce the difficulty of wire management. At the same time, the setting of the male socket protective sleeve, the socket protective strip, the female socket protective sleeve and the plug protective strip can effectively protect the unused interfaces of the hub during use, ensuring the normal use of the expansion function of the hub. Description of the Drawings
[0017] Figure 1 Shown is a three-dimensional structural schematic diagram of an expandable RS485 hub of the present utility model;
[0018] Figure 2 The figure shows a schematic structural diagram of the hub body of an expandable RS485 hub according to the present utility model;
[0019] Figure 3 The figure shows a three-dimensional structural diagram of an expansion female socket of an expandable RS485 hub according to the present utility model;
[0020] Figure 4 The figure shows a three-dimensional structural diagram of an expansion male socket of an expandable RS485 hub according to the present utility model.
[0021] Description of reference numerals: 1, hub body; 101, expansion interface; 102, interface indicator light; 103, power socket; 104, operation indicator light; 2, expansion female socket; 201, expansion post; 202, expansion hole; 3, expansion plug; 301, access jack; 4, male socket protective sleeve; 5, jack protective strip; 6, expansion male socket; 601, expansion pin; 7, expansion jack; 701, access pin; 8, female socket protective sleeve; 9, plug protective strip. Specific embodiments
[0022] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.
[0023] Please refer to Figures 1-4 , the present utility model provides an embodiment: an expandable RS485 hub, including an expandable RS485 hub, including a hub body 1, an expansion female socket 2, an expansion plug 3, a male socket protective sleeve 4, a jack protective strip 5, an expansion male socket 6, an expansion jack 7, a female socket protective sleeve 8 and a plug protective strip 9; an expansion female socket 2 is provided on one side of the hub body 1, an expansion male socket 6 is provided on one side of the hub body 1, the expansion female socket 2 and the expansion male socket 6 can be mutually engaged, a female socket protective sleeve 8 is provided above the expansion female socket 2, a male socket protective sleeve 4 is provided below the expansion male socket 6, an expansion plug 3 is provided above the hub body 1, a plug protective strip 9 is provided above the expansion plug 3, an expansion jack 7 is provided at the bottom of the hub body 1, the expansion jack 7 and the expansion plug 3 can be mutually engaged, and a jack protective strip 5 is provided at the bottom of the expansion jack 7.
[0024] Please refer to Figures 1-2 , in this embodiment, a plurality of expansion interfaces 101 are provided on one side of the hub body 1, an interface indicator light 102 is provided on one side of each group of expansion interfaces 101, a power socket 103 is provided on one side of the hub body 1, and an operation indicator light 104 is provided on one side of the power socket 103.
[0025] Please refer to Figure 3, in this embodiment, four sets of expansion posts 201 are provided inside the expansion female socket 2. An expansion hole 202 is formed on one side of the expansion post 201. Four sets of expansion plugs 3 are provided, and the four sets of expansion plugs 3 are arranged in a straight line. An access jack 301 is formed on one side of the expansion plug 3.
[0026] Please refer to Figure 4 , in this embodiment, four sets of expansion pins 601 are provided inside the expansion male socket 6. The diameter of the expansion pin 601 is slightly smaller than the inner diameter of the expansion hole 202. Four sets of expansion jacks 7 are formed, and the positions of the four sets of expansion jacks 7 are arranged in one-to-one correspondence with the four sets of expansion plugs 3. An access pin 701 is provided inside the expansion jack 7. The shape of the male socket protective sleeve 4 matches that of the expansion female socket 2. The shape of the jack protective strip 5 matches that of the expansion jack 7. The shape of the female socket protective sleeve 8 matches that of the expansion male socket 6. The shape of the plug protective strip 9 matches that of the expansion plug 3.
[0027] When the hub is expanded, after aligning the expansion hole 202 in the expansion post 201 with the expansion pin 601, the expansion female socket 2 and the expansion male socket 6 are fitted and connected and fixed to complete the horizontal expansion of the hub. After aligning the access pin 701 with the access jack 301, the expansion plug 3 and the expansion jack 7 are fitted and connected to complete the vertical expansion of the hub;
[0028] When the hub is in use, after connecting the wire to the expansion interface 101, insert the external power supply into the power socket 103 to supply power to the hub body 1. The interface indicator light 102 can display the working state of the expansion interface 101, and the operation indicator light 104 can display the operation state of the hub body 1. Insert the male socket protective sleeve 4 into the unconnected expansion male socket 6 for protection, insert the jack protective strip 5 into the unconnected expansion jack 7 for protection, insert the female socket protective sleeve 8 into the unconnected expansion female socket 2 for protection, and insert the plug protective strip 9 into the unconnected expansion plug 3 for protection.
[0029] Through the above steps, the function of the hub is realized by connecting the wire to the hub body 1. The two hub bodies 1 can be horizontally expanded by the mutual fitting of the expansion female socket 2 and the expansion male socket 6. The two hub bodies 1 can be vertically expanded by the mutual fitting of the expansion plug 3 and the expansion jack 7. The unconnected expansion male socket 6 is protected by the male socket protective sleeve 4, the unconnected expansion jack 7 is protected by the jack protective strip 5, the unconnected expansion female socket 2 is protected by the female socket protective sleeve 8, and the unconnected expansion plug 3 is protected by the plug protective strip 9.
[0030] The above describes the embodiments of the present invention in detail with reference to the drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the gist of the present invention.
Claims
1. An expandable RS485 hub, comprising a hub body (1); characterized in that: The hub body (1) further comprises an expansion female socket (2), an expansion plug (3), a male socket protective cover (4), a jack protective strip (5), an expansion male socket (6), an expansion jack (7), a female socket protective cover (8) and a plug protective strip (9); an expansion female socket (2) is arranged on one side of the hub body (1); an expansion male socket (6) is arranged on one side of the hub body (1); the expansion female socket (2) and the expansion male socket (6) can be interlocked with each other; a female socket protective cover (8) is arranged above the expansion female socket (2); the expansion female socket (2) and the female socket protective cover (8) can be interlocked with each other; the expansion male socket (6) is arranged on the upper side of the expansion female socket (2); the expansion female socket (2) and the female socket protective cover (8) can be interlocked with each other; A male socket protection cover (4) is arranged at the bottom, and the expansion male socket (6) and the male socket protection cover (4) can be interlocked with each other. An expansion plug (3) is arranged at the top of the hub body (1), and a plug protection strip (9) is arranged at the top of the expansion plug (3), and the expansion plug (3) and the plug protection strip (9) can be interlocked with each other. An expansion jack (7) is provided at the bottom of the hub body (1), and the expansion jack (7) and the expansion plug (3) can be interlocked with each other. A jack protection strip (5) is arranged at the bottom of the expansion jack (7), and the expansion jack (7) and the jack protection strip (5) can be interlocked with each other.
2. A scalable RS485 hub according to claim 1, characterized in that: A plurality of expansion interfaces (101) are arranged on one side of the hub body (1), and an interface indicator light (102) is arranged on one side of each expansion interface (101).
3. A scalable RS485 hub according to claim 1, characterized in that: A power socket (103) is arranged on one side of the hub body (1), and an operation indicator light (104) is arranged on one side of the power socket (103).
4. A scalable RS485 hub according to claim 1, characterized in that: Four groups of expansion columns (201) are arranged on the inner side of the expansion mother seat (2), and an expansion hole (202) is opened on one side of the expansion column (201).
5. A scalable RS485 hub according to claim 1, characterized in that: Four groups of expansion plugs (3) are provided, and the four groups of expansion plugs (3) are arranged in a straight line. An access socket (301) is provided on one side of the expansion plug (3).
6. A scalable RS485 hub according to claim 4, characterized in that: Four groups of expansion pins (601) are arranged on the inner side of the expansion male socket (6), and the diameter of the expansion pins (601) is slightly smaller than the inner diameter of the expansion hole (202).
7. A scalable RS485 hub according to claim 5, characterized in that: Four groups of expansion jacks (7) are provided, and the positions of the four groups of expansion jacks (7) are arranged in one-to-one correspondence with the four groups of expansion plugs (3). Access pins (701) are arranged on the inner side of the expansion jacks (7).
8. A scalable RS485 hub according to claim 5, characterized in that: The shape of the male socket protection cover (4) matches the expanded female socket (2), the shape of the jack protection strip (5) matches the expanded jack (7), the shape of the female socket protection cover (8) matches the expanded male socket (6), and the shape of the plug protection strip (9) matches the expanded plug (3).