CN213302831U

CN213302831U - Multi-channel signal switching output controller

Info

Publication number: CN213302831U
Application number: CN202022820454.7U
Authority: CN
Inventors: 朱伟
Original assignee: Wuhan Ruiweikang Technology Co ltd
Current assignee: Wuhan Ruiweikang Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-05-28
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to a multichannel signal switches output controller, in particular to data transmission control's technical field, including next machine, interface circuit, unit switching device, interface circuit adopts USB to be connected with the host computer, interface circuit and next machine are connected, adopt the decoder to connect between next machine and the unit switching device, unit switching device is connected with input terminal, unit switching device still is connected with output terminal, the next machine still is connected with wireless connection receiving element, wireless connection receiving element is connected with wireless connection transmitting element, be connected with the controller between wireless connection receiving element and the next machine, the controller is connected with the battery, the utility model discloses have and both can connect PC switching signal, can adopt the technological effect of mobile terminal switching signal again.

Description

Multi-channel signal switching output controller

Technical Field

The utility model belongs to the technical field of data transmission control's technique and specifically relates to indicate a multichannel signal switches output controller.

Background

The signal switching refers to the input of two or more paths of signals, and the switching is automatically carried out according to the requirements of users.

The traditional multi-channel signal switching output control device is mainly a relay unit, the relay unit generally supports large working current and working voltage, but the number of channels supported by the relay unit is only two, so that the selectable range is smaller, and the requirement for large-scale channel switching is difficult to solve.

However, most of the existing analog switch units can only be connected by an interface, which causes the wires to be too long and the wires to be twisted together.

Disclosure of Invention

The utility model aims at providing a multichannel signal switches output controller, it has both can connect the PC switching signal, can adopt mobile terminal switching signal's effect again.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a multichannel signal switches output device, includes next machine, interface circuit, unit switching device, interface circuit adopts USB to be connected with the host computer, interface circuit and next machine are connected, adopt the decoder to connect between next machine and the unit switching device, unit switching device is connected with input terminal, unit switching device still is connected with output terminal, the next machine still is connected with wireless connection receiving element, wireless connection receiving element is connected with wireless transmitting unit, be connected with the controller between wireless connection receiving element and the next machine, the controller is connected with the battery.

Preferably, an A/D converter is connected between the upper computer and the interface circuit, and a D/A converter is connected between the A/D converter and the interface circuit.

Preferably, the interface circuit is a MAX232 device, and the communication between the upper computer and the lower computer adopts an RS233 interface protocol.

Preferably, the unit switching device adopts an analog switch unit, and the analog switch unit is a 16-to-1 data selector.

Preferably, the 1-out-of-16 data selector comprises two pieces 74LS 151.

Preferably, still include PCB board and shell, be formed with the cavity between PCB board and the shell, interface circuit, next machine, decoder, unit switching device, wireless connection receiving element all install on the PCB board and lie in the cavity, the watering has heat dissipation silica gel in the cavity.

To sum up, the utility model has the advantages that:

the upper computer sends a command for controlling switching to the lower computer through the interface circuit, the lower computer responds according to the command, and the decoder translates a switching control signal from the lower computer into gating signals on the two 74LS151, so that a signal switching function of 16-out-of-one controlled by a PC can be achieved.

The mobile terminal can also be used for sending the instruction signal to the wireless connection receiving unit, the wireless connection receiving unit transmits the instruction to the lower computer, the lower computer makes a response according to the instruction, and the decoder translates the switching control signal from the lower computer into the gating signals on the two 74LS151, so that the signal switching function of selecting one from the mobile control 16 can be achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the module structure of the present invention.

The marks in the figure are respectively 1 and a lower computer; 2. an interface circuit; 3. a cell switching device; 31. an input terminal; 32. an output terminal; 4. a decoder; 5. a wireless connection receiving unit; 51. a wireless connection transmitting unit; 52. a controller; 53. a storage battery; 6. a PCB board; 61. a housing; 62. a cavity; 63. and (4) heat dissipation silica gel.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 2, a multichannel signal switching output device includes a lower computer 1, an interface circuit 2, a unit switching device 3, the interface circuit 2 is connected to an upper computer by a USB, the interface circuit 2 is connected to the lower computer 1, the lower computer 1 is connected to the unit switching device 3 by a decoder 4, the unit switching device 3 is connected to an input terminal 31, the unit switching device 3 is further connected to an output terminal 32, the lower computer 1 is further connected to a wireless connection receiving unit 5, the wireless connection receiving unit 5 is connected to a wireless connection transmitting unit 51, a controller 52 is connected between the wireless connection receiving unit 5 and the lower computer 1, and the controller 52 is connected to a storage battery 53.

An A/D converter is connected between the upper computer and the interface circuit 2, and a D/A converter is connected between the A/D converter and the interface circuit 2.

The interface circuit 2 is a MAX232 device, and the communication between the upper computer and the lower computer 1 adopts an RS233 interface protocol.

The cell switching device 3 employs an analog switch cell, which is a 16-to-1 data selector.

The 1-out-of-16 data selector includes two slices 74LS 151.

Still include PCB board 6 and shell 61, be formed with cavity 62 between PCB board 6 and the shell 61, interface circuit 2, lower computer 1, decoder 4, unit switching device 3, wireless connection receiving element 5 are all installed on PCB board 6 and are located cavity 62, the watering has heat dissipation silica gel 63 in the cavity 62.

The working principle is as follows: in the using process, the upper computer sends a command for controlling switching to the lower computer 1 through the interface circuit 2, the lower computer 1 reacts according to the command, and the decoder 4 translates the switching control signal from the lower computer 1 into gating signals on the two 74LS151, so that the signal switching function of 16-out-of-one controlled by the PC can be achieved.

The mobile terminal can also be used for sending the instruction signal to the wireless connection receiving unit 5, the wireless connection receiving unit 5 transmits the instruction to the lower computer 1, the lower computer 1 makes a response according to the instruction, and the decoder 4 translates the switching control signal from the lower computer 1 into gating signals on the two 74LS151, so that the signal switching function of mobile control 16-to-one can be achieved.

The cavity 62 is filled with the heat dissipation silica gel 63, so that the dustproof performance of each component on the PCB is better.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. A multi-signal switching output controller is characterized in that: including host computer (1), interface circuit (2), unit auto-change over device (3), interface circuit (2) adopt USB to be connected with the host computer, interface circuit (2) and host computer (1) are connected, adopt decoder (4) to connect between host computer (1) and unit auto-change over device (3), unit auto-change over device (3) are connected with input terminal (31), unit auto-change over device (3) still are connected with output terminal (32), host computer (1) still is connected with wireless connection receiving element (5), wireless connection receiving element (5) are connected with wireless connection transmitting element (51), be connected with controller (52) between wireless connection receiving element (5) and host computer (1), controller (52) are connected with battery (53).

2. The multi-signal switching output controller of claim 1, wherein: an A/D converter is connected between the upper computer and the interface circuit (2), and a D/A converter is connected between the A/D converter and the interface circuit (2).

3. The multi-signal switching output controller of claim 2, wherein: the interface circuit (2) is a MAX232 device, and an RS233 interface protocol is adopted for communication between the upper computer and the lower computer (1).

4. The multi-signal switching output controller of claim 3, wherein: the unit switching device (3) adopts an analog switch unit which is a 16-to-1 data selector.

5. The multi-signal switching output controller according to claim 4, wherein: the 1-out-of-16 data selector includes two slices 74LS 151.

6. The multi-signal switching output controller of claim 5, wherein: still include PCB board (6) and shell (61), be formed with cavity (62) between PCB board (6) and shell (61), interface circuit (2), next computer (1), decoder (4), unit auto-change over device (3), wireless connection receiving element (5) all install on PCB board (6) and lie in cavity (62), the watering has heat dissipation silica gel (63) in cavity (62).