CN215418877U

CN215418877U - Multichannel extension machine case

Info

Publication number: CN215418877U
Application number: CN202121587335.XU
Authority: CN
Inventors: 谈昳晔; 祝宇怀
Original assignee: Jiangshan Jifeng Electronic Technology Co ltd
Current assignee: Jiangshan Jifeng Electronic Technology Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-01-04
Anticipated expiration: 2031-07-13

Abstract

The utility model provides a multi-channel expansion chassis, which relates to the technical field of channel expansion and comprises the following components: the access board is arranged in the box body, is provided with a plurality of first input ports and at least one first output port, and correspondingly provides a plurality of input channels; the first expansion board is provided with at least two second output ports and second input ports correspondingly connected with the first output ports; the at least two second expansion boards are respectively provided with a third output port and a third input port correspondingly connected with the second output port; the at least two output plates are respectively provided with a plurality of fourth output ports and fourth input ports correspondingly connected with the third output ports, and a plurality of output channels are correspondingly provided; the number of output channels is greater than the number of output channels. The multifunctional expansion case has the beneficial effects that the original input channels are expanded by arranging the plurality of expansion boards, and the number of the output channels is expanded into a certain multiple of the number of the input channels reasonably through internal wiring.

Description

Multichannel extension machine case

Technical Field

The utility model relates to the technical field of channel expansion, in particular to a multichannel expansion chassis.

Background

The output port of the existing case can only provide 120 output channels at present, because of the limitation of the number of the output channels, the use of the case is greatly influenced and the dimension of the case test is reduced, and the internal structure of the existing case is simple, just because of the simple structure, only 120 output channels can be provided.

Disclosure of Invention

To solve the problems in the prior art, the present invention provides a multi-channel expansion chassis, including:

the access board is arranged in a box body and is provided with a plurality of first input ports and at least one first output port, and each first input port correspondingly provides a plurality of input channels;

the first expansion board is provided with at least two second output ports and a second input port correspondingly connected with the first output port;

each second expansion board is provided with a third output port and a third input port correspondingly connected with the second output port;

the output board is provided with a plurality of fourth output ports and a fourth input port correspondingly connected with the third output ports, and each fourth output port correspondingly provides a plurality of output channels;

the number of output channels is greater than the number of input channels.

Preferably, the number of the first expansion boards is two, four second expansion boards are correspondingly connected, and each second expansion board is correspondingly connected with one of the outgoing boards.

Preferably, the first input port and the fourth output port are both bus cable ports.

Preferably, the number of the first input ports and the number of the fourth output ports are 12, each of the first input ports correspondingly provides 10 input channels, and each of the fourth output ports correspondingly provides 10 output channels.

Preferably, each first input port is connected to a group of flat cables, each group of flat cables is composed of forty lines, and four lines in each group of flat cables are respectively and correspondingly provided with one input channel.

Preferably, each fourth output port is connected to a group of flat cables, each group of flat cables is composed of forty lines, and four lines in each group of flat cables respectively provide one output channel correspondingly.

Preferably, the access plate and the exit plate are identical in structure.

Preferably, the first expansion plate and the second expansion plate are identical in structure.

The technical scheme has the following advantages or beneficial effects: this multi-functional extension machine case expands original input channel through setting up a plurality of expansion boards to rationally expand output channel quantity into the certain multiple of input channel quantity through internal wiring.

Drawings

FIG. 1 is a schematic view of the internal connections of the present case in accordance with the preferred embodiment of the present invention;

fig. 2 is a structural diagram of an access board and an exit board in a preferred embodiment of the present invention.

Detailed Description

The utility model is described in detail below with reference to the figures and specific embodiments. The present invention is not limited to the embodiment, and other embodiments may be included in the scope of the present invention as long as the gist of the present invention is satisfied.

In the preferred embodiment of the present invention, based on the above problems in the prior art, there is now provided a multi-channel expansion chassis, as shown in fig. 1 and 2, including:

the access board 1 is arranged in a box body, a plurality of first input ports 11 and at least one first output port 12 are arranged on the access board 1, and each first input port 11 correspondingly provides a plurality of input channels 2;

at least one first expansion board 3, wherein the first expansion board 3 is provided with at least two second output ports 31 and a second input port 32 correspondingly connected with the first output port 12;

at least two second expansion boards 4, each second expansion board 4 is provided with a third output port 41 and a third input port 42 correspondingly connected to the second output port 31;

at least two output boards 5, each output board 5 is respectively provided with a plurality of fourth output ports 51 and a fourth input port 52 correspondingly connected with the third output port 41, and each fourth output port 51 correspondingly provides a plurality of output channels 6;

the number of output channels 6 is greater than the number of input channels 2.

Specifically, in the present embodiment, the size of the multichannel expansion chassis is 650mm × 600mm × 1400mm, which is sufficient to accommodate the access board 1, the plurality of first expansion boards 3, the plurality of second expansion boards 4, and the plurality of access boards 5.

In a preferred embodiment of the present invention, the number of the first expansion boards 3 is two, and four second expansion boards 4 are correspondingly connected, and each second expansion board 4 is correspondingly connected with one take-out board 5.

In the preferred embodiment of the present invention, the first input port 11 and the fourth output port 51 are both flat cable ports.

Specifically, in this embodiment, there may be two layout schemes inside the chassis, in the first layout scheme, the access board 1, the first expansion board 3, the second expansion board 4, and the access board 5 are all disposed in the chassis and connected through corresponding connection lines, and the first input port on the access board 1 and the fourth output port 51 on the access board 5 are connected to the inherent interface on the chassis through a flat cable.

In the second layout scheme, the access board 1, the first expansion board 3, the second expansion board 4, and the access board 5 are all disposed in the chassis but the first input port 11 on the access board 1 and the fourth output port 51 on the access board 5 penetrate through the chassis and are exposed outside the chassis, and the first input port 11 and the fourth output port 51 are directly connected to an external device through a flat cable.

In the preferred embodiment of the present invention, the number of the first input ports 11 and the number of the fourth output ports 51 are 12, each of the first input ports 11 provides 10 input channels 2, and each of the fourth output ports 51 provides 10 output channels 6.

Specifically, in this embodiment, the number of the first expansion boards 3 and the second expansion boards 4 can be adjusted according to actual requirements, for example, the number of the first expansion boards 3 is set to one, two second expansion boards 4 are connected, and the second expansion boards 4 are respectively connected to one output board 5, so as to expand the original 120 input channels 2 into 240 output channels 6.

Preferably, in this embodiment, the number of the first expansion boards 3 is two, the two second expansion boards 4 are connected to each other, and the 120 input channels 2 are correspondingly expanded into 480 output channels 6.

In the preferred embodiment of the present invention, each first input port 11 is connected to a group of flat cables 7, and each group of flat cables 7 is composed of forty wires, and four wires in each group of flat cables 7 correspondingly provide one input channel 2.

In the preferred embodiment of the present invention, each fourth output port 51 is connected to a group of flat cables 7, each group of flat cables 7 is composed of forty lines, and four lines in each group of flat cables 7 provide an output channel 6.

Specifically, in this embodiment, the first expansion board 3 is sequentially labeled as an expansion board 01 and an expansion board 02, the second expansion board 4 is sequentially labeled as an expansion board 03, an expansion board 04, an expansion board 05, and an expansion board 06, the 120 output channels 6 on each outgoing board 5 are respectively labeled as channels No. 1 to 60 and channels No. 61 to 120, the outgoing boards 5 are respectively labeled as an outgoing board 01, an outgoing board 02, an outgoing board 03, and an outgoing board 04, and the expansion board 01, the expansion board 02, the expansion board 03, the expansion board 04, the expansion board 05, and the expansion board 06 are respectively controlled by a high-level control signal or a low-level control signal.

Preferably, the expansion board 01 and the expansion board 02 are controlled by a low-level control signal, the expansion board 03 and the expansion board 05 are also controlled by a low-level control signal, and the expansion board 04 and the expansion board 06 are controlled by a high-level control signal or a low-level control signal, at this time, the output channels 61-120 on the output board 01 are connected with the expanded test channels 1-60, and the output channels 61-120 on the output board 03 are connected with the expanded test channels 61-120.

Preferably, the expansion board 01 and the expansion board 02 are controlled by a low level control signal, the expansion board 04 and the expansion board 06 are controlled by a high level control signal or a low level control signal, but the expansion board 03 and the expansion board 05 are controlled by a high level control signal, at this time, the output channel number 1-60 on the outgoing board 01 is connected with the expansion test channel number 121-.

Preferably, the expansion board 01 and the expansion board 02 are controlled by a high level control signal, the expansion board 03 and the expansion board 05 are controlled by a high level control signal or a low level control signal, and the expansion board 04 and the expansion board 06 are controlled by a low level control signal, at this time, the output channel number 61-120 on the output board 02 is connected with the expansion test channel number 241-300, and the output channel number 61-120 on the output board 04 is connected with the expansion test channel number 301-360.

Preferably, the expansion board 01 and the expansion board 02 are controlled by a high level control signal, the expansion board 04 and the expansion board 06 are also controlled by a high level control signal, and the expansion board 03 and the expansion board 05 are controlled by a high level control signal or a low level control signal, at this time, the output channel number 1-60 on the output board 02 is connected with the expansion test channel number 361-.

In the preferred embodiment of the present invention, the access panel 1 and the access panel 5 have the same structure.

Specifically, in this embodiment, the access board 1 has 12 first input ports 11 distributed in three rows and four columns, three first input ports 11 in a first column from right to left are sequentially a number 1-10 input channel, a number 11-20 input channel, and a number 21-30 input channel from top to bottom, three first input ports 11 in a second column from right to left are sequentially a number 31-40 input channel, a number 41-50 input channel, and a number 51-60 input channel from top to bottom, three first input ports 11 in a second column from left to right are sequentially a number 61-70 input channel, a number 71-80 input channel, and a number 81-90 input channel from top to bottom, the three first input ports 11 in the first column from left to right are the input channels 91-100, the input channels 101-110 and the input channels 111-120 in sequence from top to bottom.

Specifically, in this embodiment, 12 fourth output ports 51 are disposed on the output board 5, and are distributed in three rows and four columns, three fourth output ports 51 in the first column from right to left are sequentially a number 1-10 output channel, a number 11-20 output channel, and a number 21-30 output channel from top to bottom, three fourth output ports 51 in the second column from right to left are sequentially a number 31-40 output channel, a number 41-50 output channel, and a number 51-60 output channel from top to bottom, three fourth output ports 51 in the second column from left to right are sequentially a number 61-70 output channel, a number 71-80 output channel, and a number 81-90 output channel from top to bottom, the three fourth output ports 51 in the first column from left to right are the output channels 91-100, 101-110 and 111-120 in sequence from top to bottom.

In the preferred embodiment of the present invention, the first expansion board 3 and the second expansion board 4 are identical in structure.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims

1. A multi-channel expansion chassis comprising:

the number of output channels is greater than the number of input channels.

2. The multi-channel expansion chassis of claim 1, wherein the number of the first expansion board is two, four of the second expansion boards are correspondingly connected, and each of the second expansion boards is correspondingly connected to one of the output boards.

3. The multi-channel expansion chassis of claim 1, wherein the first input port and the fourth output port are both flex cable ports.

4. The multi-channel expansion cabinet of claim 2, wherein the first input port and the fourth output port are each 12, and wherein each of the first input ports provides 10 of the input channels and each of the fourth output ports provides 10 of the output channels.

5. The multi-channel expansion chassis of claim 4, wherein each of the first input ports is connected to a set of flat cables, each set of flat cables is composed of forty lines, and four lines in each set of flat cables provide one input channel.

6. The multi-channel expansion chassis of claim 4, wherein each of the fourth output ports is connected to a set of flat cables, each set of flat cables is composed of forty lines, and four lines in each set of flat cables provide one output channel.

7. The multi-channel extender chassis of claim 1 wherein the access panel and the exit panel are identical in structure.

8. The multi-channel expansion chassis of claim 1, wherein the first expansion board and the second expansion board are identical in structure.