CN118132485A - Multichannel expansion system - Google Patents

Multichannel expansion system Download PDF

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Publication number
CN118132485A
CN118132485A CN202410082121.9A CN202410082121A CN118132485A CN 118132485 A CN118132485 A CN 118132485A CN 202410082121 A CN202410082121 A CN 202410082121A CN 118132485 A CN118132485 A CN 118132485A
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column
horizontal
level
electrically connected
port
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陈佳琪
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Ningbo Nuo Microelectronics Co ltd
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Ningbo Nuo Microelectronics Co ltd
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Abstract

The invention provides a multichannel extension system, comprising: the driving circuit comprises at least one group of state conversion circuits, and the control end of each group of state conversion circuits is electrically connected with an input port respectively; the state switching circuit controls the output ports to output according to the high level, the suspension level and the low level of the input ports, and one, two or three of the three output ports are selected to be electrically connected with one, two or three scanning lines respectively; the channel output circuit comprises a plurality of output switches which are arranged in a matrix, all input ends of each row of output switches are electrically connected with a transverse row of scanning lines, all control ends of each column of output switches are electrically connected with a longitudinal column of scanning lines, and the output end of each output switch is a channel output end. According to the invention, each input port is divided into one, two or three output ports through the state conversion circuit, so that the input ports can be electrically connected with more output switches, further more channel output ends are provided, and the channel expansion quantity is greatly increased.

Description

Multichannel expansion system
Technical Field
The invention relates to the technical field of signal channel expansion, in particular to a multichannel expansion system.
Background
Among control channels such as a Micro Control Unit (MCU), a Central Processing Unit (CPU), and digital control, it is common that one port controls one channel, which results in very few control channels.
In order to improve channel expansion, transistors are arranged in a matrix manner so as to achieve multi-channel output. For example, there are N horizontal input ports, each electrically connected to all sources of a row of transistors, M vertical output ports, each electrically connected to all gates of a column of transistors, and finally, n×m transistors can be controlled, and n×m channels can be extended to output. The number of the channel output ports of the channel expansion system can be greatly larger than that of the input ports, but the number of the expansion is limited.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: a multi-channel expansion system is provided, which solves the problem of too small channel expansion number in the prior art.
The invention solves the problems by adopting the following technical scheme: a multi-channel expansion system, comprising:
the horizontal driving circuit comprises at least one group of first horizontal state conversion circuits, and the control end of each group of first horizontal state conversion circuits is electrically connected with one horizontal input port respectively; in the same group of first horizontal state conversion circuits, the input ends of the first horizontal state conversion circuits are electrically connected with a first level, the first horizontal state conversion circuits respectively control the first level to be electrically connected with a first horizontal output port according to whether the horizontal input ports are high level, suspension level and low level, and one, two or three of the three first horizontal output ports are optionally electrically connected with one, two or three horizontal scanning lines respectively;
the column driving circuit comprises at least one group of first column state conversion circuits, and the control end of each group of first column state conversion circuits is electrically connected with a column input port respectively; in the same group of first column state conversion circuits, the input ends of the first column state conversion circuits are electrically connected with a second level, the first column state conversion circuits respectively control the second level to be electrically connected with a first column output port according to the fact that the column input ports are high level, suspension level and low level, and one, two or three of the three first column output ports are optionally electrically connected with one, two or three column scanning lines respectively;
The channel output circuit comprises a plurality of output switches which are arranged in a matrix, all input ends of each row of the output switches are electrically connected with a transverse row of scanning lines, all control ends of each column of the output switches are electrically connected with a longitudinal column of scanning lines, and the output end of each output switch is a channel output end;
If the output switch is turned on at a high level, the first level is a low level, and the second level is a high level; if the output switch is turned on at a low level, the first level is a high level, and the second level is a low level; the hover level is greater than the low level and the hover level is less than the high level.
Compared with the prior art, the invention has the advantages that: through first horizontal state transition circuit and first column state transition circuit, with every horizontal input port and column input port all divide into one, two or three output port, can be connected with more output switch electricity, and then have more passageway output, greatly increased passageway expansion quantity.
Preferably, the first horizontal state conversion circuit comprises a horizontal port high level conversion circuit, a horizontal port floating level conversion circuit and a horizontal port low level conversion circuit; the control end of the horizontal port high-level conversion circuit, the control end of the horizontal port floating level conversion circuit and the control end of the horizontal port low-level conversion circuit are electrically connected with the same horizontal input port, the input end of the horizontal port high-level conversion circuit, the input end of the horizontal port floating level conversion circuit and the input end of the horizontal port low-level conversion circuit are electrically connected with a first level, and the output end of the horizontal port high-level conversion circuit, the output end of the horizontal port floating level conversion circuit and the output end of the horizontal port low-level conversion circuit are respectively electrically connected with a first horizontal output port;
the horizontal port high-level conversion circuit is conducted at a high level, the horizontal port floating level conversion circuit is conducted at a floating level, and the horizontal port low-level conversion circuit is conducted at a low level;
The first column state conversion circuit comprises a column port low level conversion circuit, a column port floating level conversion circuit and a column port high level conversion circuit; the control end of the column port high-level conversion circuit, the control end of the column port floating-level conversion circuit and the control end of the column port low-level conversion circuit are electrically connected with the same column input port, the input end of the column port high-level conversion circuit, the input end of the column port floating-level conversion circuit and the input end of the column port low-level conversion circuit are electrically connected with the second level, and the output end of the column port high-level conversion circuit, the output end of the column port floating-level conversion circuit and the output end of the column port low-level conversion circuit are respectively electrically connected with a first column output port;
the column port high-level conversion circuit is conducted at a high level, the column port floating-level conversion circuit is conducted at a floating level, and the column port low-level conversion circuit is conducted at a low level.
The technical scheme has the technical effects that: the state conversion circuit is respectively a high level conversion circuit, a suspension level conversion circuit and a low level conversion circuit, and can respectively and correspondingly convert whether the input port is high level, suspension level or low level, so that the conduction condition of a corresponding output switch is controlled.
Preferably, the horizontal port high level conversion circuit comprises a first horizontal electronic switch, wherein the control end of the first horizontal electronic switch is electrically connected with the horizontal input port, the input end of the first horizontal electronic switch is electrically connected with the first level, and the output end of the first horizontal electronic switch is electrically connected with a first horizontal output port;
The column port low-level conversion circuit comprises a first column electronic switch, wherein the control end of the first column electronic switch is electrically connected with a column input port, the input end of the first column electronic switch is electrically connected with a second level, and the output end of the first column electronic switch is electrically connected with a first column output port;
The output switch is conducted in a high level, the first level is a low level, and the second level is a high level; the first horizontal row electronic switch is conducted in a high level, and the first vertical column electronic switch is conducted in a low level.
The technical scheme has the technical effects that: the high level of the horizontal input port can be converted into low level output only through one first horizontal electronic switch, the low level of the vertical input port can be converted into high level output only through one first vertical electronic switch, few electronic components are used, the high level of the horizontal input port and the low level of the vertical input port can be conveniently converted into one output port respectively, and the output switches of more rows can be controlled.
Preferably, the horizontal port suspension level conversion circuit comprises a second horizontal electronic switch, a third horizontal electronic switch and a fourth horizontal electronic switch, wherein the control end of the second horizontal electronic switch and the control end of the fourth horizontal electronic switch are electrically connected with the horizontal input port, the input end of the second horizontal electronic switch is electrically connected with the first level, the output end of the second horizontal electronic switch is electrically connected with the input end of the third horizontal electronic switch, the input end of the fourth horizontal electronic switch is electrically connected with the second level, the output end of the fourth horizontal electronic switch is electrically connected with the control end of the third horizontal electronic switch, and the output end of the third horizontal electronic switch is electrically connected with a first horizontal output port;
The column port suspension level conversion circuit comprises a second column electronic switch, a third column electronic switch and a fourth column electronic switch, wherein the control end of the second column electronic switch and the control end of the fourth column electronic switch are electrically connected with a column input port, the input end of the second column electronic switch is electrically connected with a second level, the output end of the second column electronic switch is electrically connected with the input end of the third column electronic switch, the input end of the fourth column electronic switch is electrically connected with a first level, the output end of the fourth column electronic switch is electrically connected with the control end of the third column electronic switch, and the output end of the third column electronic switch is electrically connected with a first column output port;
The output switch is conducted in a high level, the first level is a low level, and the second level is a high level; the third horizontal row electronic switch is conducted in a high level, the second horizontal row electronic switch, the fourth horizontal row electronic switch, the second column electronic switch and the fourth column electronic switch are conducted in a floating level, and the third column electronic switch is conducted in a low level.
The technical scheme has the technical effects that: the horizontal row can convert the suspension level of the horizontal input port into low-level output through three electronic switches, the vertical row can convert the suspension level of the vertical row input port into high-level output through three electronic switches, fewer electronic components are used, the suspension level of the horizontal row input port and the suspension level of the vertical row input port are conveniently converted into one output port respectively, and the output switches of more rows can be controlled.
Preferably, the low-level switching circuit for a horizontal port includes a fifth horizontal electronic switch and a sixth horizontal electronic switch, where a control end of the fifth horizontal electronic switch is electrically connected to the horizontal input port, an input end of the fifth horizontal electronic switch is electrically connected to the second level, an output end of the fifth horizontal electronic switch is electrically connected to a control end of the sixth horizontal electronic switch, an input end of the sixth horizontal electronic switch is electrically connected to the first level, and an output end of the sixth horizontal electronic switch is electrically connected to a first horizontal output port;
The column port high-level conversion circuit comprises a fifth column electronic switch and a sixth column electronic switch, wherein the control end of the fifth column electronic switch is electrically connected with a column input port, the input end of the fifth column electronic switch is electrically connected with a first level, the output end of the fifth column electronic switch is electrically connected with the control end of the sixth column electronic switch, the input end of the sixth column electronic switch is electrically connected with a second level, and the output end of the sixth column electronic switch is electrically connected with a first column output port;
The output switch is conducted in a high level, the first level is a low level, and the second level is a high level; the fifth horizontal row electronic switch and the sixth vertical column electronic switch are both in low-level conduction, and the sixth horizontal row electronic switch and the fifth vertical column electronic switch are both in high-level conduction.
The technical scheme has the technical effects that: the horizontal row can convert the low level of the horizontal input port into low level output through two electronic switches, the vertical row can convert the high level of the vertical row input port into high level output through two electronic switches, the used electronic components are few, the horizontal row input port and the vertical row input port can be conveniently converted into one output port respectively according to the low level of the horizontal row input port and the high level of the vertical row input port, and the output switches of more rows can be controlled.
Preferably, the low-level conversion circuit of the horizontal port is a second horizontal wire, one end of the second horizontal wire is electrically connected with the horizontal input port, and the other end of the second horizontal wire is electrically connected with a first horizontal output port;
And/or the column port high level conversion circuit is a second column conductor, one end of the second column conductor is electrically connected with the column input port, and the other end of the second column conductor is electrically connected with a first column output port.
The technical scheme has the technical effects that: the low-level signal of the horizontal input port can be directly output as low level through the second horizontal wire without other circuits; the high level signal of the column input port can be directly output as high level through the second column conductor, no other circuits are needed, and the structure is simple and the implementation is easy.
Preferably, each of the first horizontal state switching circuits is a first horizontal wire, one end of each of the first horizontal wires is electrically connected to the first horizontal output port, and the other end of each of the first horizontal wires is electrically connected to the first level.
The technical scheme has the technical effects that: through setting up first horizontal row wire, directly link first level signal, only set up a horizontal row, realize multichannel extension function through first column state switching circuit.
Preferably, each of the first column state conversion circuits is a first column conductor, one end of each of the first column conductors is electrically connected to the second level, and the other end of each of the first column conductors is electrically connected to a column input port.
The technical scheme has the technical effects that: by arranging the first column conductors and directly connecting the second level signals, only one column is arranged, and the multi-channel expansion function is realized through the first horizontal state switching circuit.
Preferably, the horizontal driving circuit includes 3N groups of first horizontal state conversion circuits and N groups of second horizontal state conversion circuits, wherein the control ends of each three groups of first horizontal state conversion circuits are electrically connected with the same horizontal input port, the input ends of each three groups of first horizontal state conversion circuits are electrically connected with the first level through one group of second horizontal state conversion circuits, and the control ends of each group of second horizontal state conversion circuits are electrically connected with one horizontal input port; in the same group of second horizontal state conversion circuits, the input ends of the second horizontal state conversion circuits are electrically connected with the first level, the second horizontal state conversion circuits respectively control the first level to be electrically connected with a second horizontal output port according to the high level, the suspension level and the low level of the horizontal input ports, and three second horizontal output ports are respectively electrically connected with the input ends of the three groups of first horizontal state conversion circuits;
The column driving circuit comprises 3M groups of first column state conversion circuits and M groups of second column state conversion circuits, wherein the control ends of every three groups of first column state conversion circuits are electrically connected with the same column input port, the input ends of every three groups of first column state conversion circuits are electrically connected with the second level through one group of second column state conversion circuits, and the control ends of every three groups of second column state conversion circuits are electrically connected with one column input port; in the same group of second column state conversion circuits, the input ends of the second column state conversion circuits are electrically connected with a second level, the second column state conversion circuits respectively control the second level to be electrically connected with a second column output port according to the fact that the column input ports are high level, suspension level and low level, and three second column output ports are respectively electrically connected with the input ends of the three groups of first column state conversion circuits;
wherein M and N are positive integers.
The technical scheme has the technical effects that: through the second horizontal state conversion circuit, three first levels are output according to three different level states of the horizontal input ports, the three first levels are used as input ends of the three first horizontal state conversion circuits, and the horizontal input ports are further expanded to three exponent power output ports; through the second column state conversion circuit, three second levels are output according to three different level states of the column input ports, the three second levels are used as input ends of three first column state conversion circuits, and the column input ports are further expanded to three exponent power output ports; the number of channel extensions is greater.
Preferably, the horizontal driving circuit includes 2N groups of first horizontal state conversion circuits and N groups of second horizontal state conversion circuits, wherein the control ends of every two groups of first horizontal state conversion circuits are electrically connected with the same horizontal input port, the input ends of every two groups of first horizontal state conversion circuits are electrically connected with the first level through one group of second horizontal state conversion circuits, and the control ends of every two groups of second horizontal state conversion circuits are electrically connected with one horizontal input port; in the same group of second horizontal state conversion circuits, the input ends of the second horizontal state conversion circuits are electrically connected with the first level, the second horizontal state conversion circuits respectively control the first level to be electrically connected with a second horizontal output port according to the high level, the suspension level and the low level of the horizontal input ports, and optionally two of the three second horizontal output ports are respectively electrically connected with the input ends of the two groups of first horizontal state conversion circuits;
The column driving circuit comprises 2M groups of first column state conversion circuits and M groups of second column state conversion circuits, wherein the control ends of every two groups of first column state conversion circuits are electrically connected with the same column input port, the input ends of every two groups of first column state conversion circuits are electrically connected with the second level through one group of second column state conversion circuits, and the control ends of every two groups of second column state conversion circuits are electrically connected with one column input port; in the same group of second column state conversion circuits, the input ends of the second column state conversion circuits are electrically connected with a second level, the second column state conversion circuits respectively control the second level to be electrically connected with a second column output port according to the fact that the column input ports are high level, suspension level and low level, and optionally, two of the three second column output ports are respectively electrically connected with the input ends of the two groups of first column state conversion circuits;
wherein M and N are positive integers.
The technical scheme has the technical effects that: through the second horizontal state conversion circuit, according to three different level states of the horizontal input port, three first levels are output, two of the first levels are selected as input ends of the two first horizontal state conversion circuits, and the horizontal input port is further expanded to be an exponent power of two output ports; through the second column state conversion circuit, according to three different level states of the column input port, three second levels are output, and optionally two second levels are used as input ends of the two first column state conversion circuits, so that the column input port is expanded to be an exponent power of two output ports; the number of channel extensions is greater.
Drawings
FIG. 1 is a block diagram of a three-output channel expansion parallel connection method of a state transition circuit in a multi-channel expansion system according to the present invention;
FIG. 2 is a block diagram of a system for a channel expansion parallel connection method of a dual output of a state transition circuit in a multi-channel expansion system according to the present invention;
FIG. 3 is a block diagram of the overall system in a multi-channel expansion system according to the present invention;
FIG. 4 is a block diagram of a system in which a first column state transition circuit is a first column conductor in a multi-channel expansion system according to the present invention;
FIG. 5 is a block diagram of a system in which a first horizontal line state transition circuit is a first horizontal line wire in a multi-channel expansion system according to the present invention;
FIG. 6 is a schematic diagram of a basic circuit I of a three-output state transition circuit in a multi-channel expansion system according to the present invention;
FIG. 7 is a diagram of a multi-channel expansion system according to the first embodiment of FIG. 6;
FIG. 8 is a schematic diagram of a second basic circuit of the third output of the state transition circuit in the multi-channel expansion system according to the present invention;
FIG. 9 is a diagram of a multi-channel expansion system according to a second embodiment of the present invention based on FIG. 8;
FIG. 10 is a diagram of a third embodiment of a dual output of a state transition circuit in a multi-channel expansion system according to the present invention;
FIG. 11 is a schematic diagram of a basic circuit three of a state transition circuit dual output in a multi-channel expansion system according to the present invention;
FIG. 12 is a diagram of a multi-channel expansion system according to a fourth embodiment of the present invention based on FIG. 11;
FIG. 13 is a block diagram of a three-output channel expansion series connection method of a state transition circuit in a multi-channel expansion system according to the present invention;
FIG. 14 is a diagram of a multi-channel expansion system according to the fifth embodiment of the present invention based on FIG. 13;
FIG. 15 is a block diagram of a dual output channel extension series connection of a state transition circuit in a multi-channel extension system according to the present invention;
Fig. 16 is a diagram showing a multi-channel expansion system according to a sixth embodiment of the present invention based on fig. 15.
Reference numerals illustrate:
1-horizontal input ports; 11-a first row of output ports; 12-a second row of output ports;
2-column input ports; 21-a first column output port; 22-a second column output port;
3-a first horizontal state transition circuit; 31-a horizontal port high level conversion circuit; 311-a first transversal electronic switch; a 32-row port floating level shift circuit; 321-a second transverse electronic switch; 322-third row electronic switch; 323-fourth row electronic switch; 33-horizontal port low level switching circuit; 331-fifth row electronic switch; 332-sixth horizontal electronic switches; 333-second row conductors; 34-a first row of wires;
4-a first column state transition circuit; 41-column port low level shift circuit; 411-first column electronic switch; 42-column port floating level shift circuit; 421-second column electronic switch; 422-third column electronic switches; 423-fourth column electronic switches; 43-column port high level switching circuit; 431-fifth column electronic switches; 432-sixth column electronic switches; 433-a second column conductor; 44-a first column conductor;
A 5-channel output circuit; 51-an output switch;
6-channel output;
7-a second horizontal state transition circuit;
8-a second column state transition circuit.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
Referring to fig. 1 and 2, the present embodiment relates to a multi-channel expansion system, including:
The horizontal driving circuit comprises at least one group of first horizontal state conversion circuits 3, and the control end of each group of first horizontal state conversion circuits 3 is respectively and electrically connected with one horizontal input port 1; in the same group of first horizontal state conversion circuits 3, the input ends of the first horizontal state conversion circuits 3 are electrically connected with a first level, the first horizontal state conversion circuits 3 respectively control the first level to be electrically connected with a first horizontal output port 11 according to whether the horizontal input port 1 is a high level, a suspension level or a low level, and one, two or three of the three first horizontal output ports 11 are respectively electrically connected with one, two or three horizontal scanning lines;
The column driving circuit comprises at least one group of first column state conversion circuits 4, and the control end of each group of first column state conversion circuits 4 is respectively and electrically connected with one column input port 2; in the same group of first column state conversion circuits 4, the input ends of the first column state conversion circuits 4 are electrically connected with the second level, the first column state conversion circuits 4 respectively control the second level to be electrically connected with a first column output port 21 according to whether the column input port 2 is a high level, a suspension level or a low level, and one, two or three of the three first column output ports 21 are respectively electrically connected with one, two or three column scanning lines;
the channel output circuit 5 comprises a plurality of output switches 51 which are arranged in a matrix, all input ends of each row of output switches 51 are electrically connected with a transverse row of scanning lines, all control ends of each column of output switches 51 are electrically connected with a longitudinal column of scanning lines, and the output end of each output switch 51 is a channel output end 6;
if the output switch 51 is turned on at a high level, the first level is a low level, and the second level is a high level; if the output switch 51 is turned on at a low level, the first level is high and the second level is low; the hover level is greater than the low level and less than the high level.
Through the first horizontal state switching circuit 3 and the first vertical state switching circuit 4, each horizontal input port 1 and each vertical input port 2 are divided into one, two or three output ports, and can be electrically connected with more output switches 51, so that more channel output ends are provided, and the number of channel expansion is greatly increased.
Wherein, optionally one, two or three of the three first transversal output ports 11 are electrically connected to one, two or three transversal scanning lines, respectively. In this selection process, the selection may be performed by setting a selector to select one, two, or three of the three.
For selecting three horizontal scanning lines to be electrically connected, a selector is not required to be arranged, and the three horizontal scanning lines can be directly connected by adopting a wire.
Similarly, for selecting one to be electrically connected with one horizontal scanning line or selecting two to be electrically connected with two horizontal scanning lines, one or two through wires can be directly and randomly selected to be directly connected without setting a selector.
Or when the first horizontal state switching circuit 3 triggers and conducts, trigger and conduct are conducted only for high level and low level (or high level and suspension level trigger and conduct, or suspension level and low level trigger and conduct), and another trigger and conduct are not arranged, so that only two horizontal output ports 11 are led out, and only two horizontal scanning lines are connected.
Columns are similar.
In the actual design process, since the number of the horizontal input ports 1 and the number of the vertical input ports 2 are plural, the number of the first horizontal state transition circuits 3 and the second vertical state transition circuits 4 connected with the horizontal input ports may be plural, and thus the selection condition of each first horizontal state transition circuit 3 may be set to be the same, and may be set to be different.
Referring to fig. 3, the first horizontal state transition circuit 3 includes a horizontal port high level transition circuit 31, a horizontal port floating level transition circuit 32, and a horizontal port low level transition circuit 33; the control end of the horizontal port high level conversion circuit 31, the control end of the horizontal port floating level conversion circuit 32 and the control end of the horizontal port low level conversion circuit 33 are electrically connected with the same horizontal input port 1, the input end of the horizontal port high level conversion circuit 31, the input end of the horizontal port floating level conversion circuit 32 and the input end of the horizontal port low level conversion circuit 33 are electrically connected with the first level, and the output end of the horizontal port high level conversion circuit 31, the output end of the horizontal port floating level conversion circuit 32 and the output end of the horizontal port low level conversion circuit 33 are respectively electrically connected with a first horizontal output port 11;
wherein, the horizontal port high level conversion circuit 31 is conducted at high level, the horizontal port floating level conversion circuit 32 is conducted at floating level, and the horizontal port low level conversion circuit 33 is conducted at low level;
The first column state conversion circuit 4 includes a column port low level conversion circuit 41, a column port floating level conversion circuit 42, and a column port high level conversion circuit 43; the control end of the column port high level shift circuit 43, the control end of the column port floating level shift circuit 42, and the control end of the column port low level shift circuit 41 are electrically connected to the same column input port 2, the input end of the column port high level shift circuit 43, the input end of the column port floating level shift circuit 42, and the input end of the column port low level shift circuit 41 are all electrically connected to the second level, and the output end of the column port high level shift circuit 43, the output end of the column port floating level shift circuit 42, and the output end of the column port low level shift circuit 41 are respectively electrically connected to a first column output port 21;
The column port high level switching circuit 43 is turned on at a high level, the column port floating level switching circuit 42 is turned on at a floating level, and the column port low level switching circuit 41 is turned on at a low level.
The state conversion circuit is respectively a high level conversion circuit, a suspension level conversion circuit and a low level conversion circuit, and can respectively and correspondingly convert whether the input port is high level, suspension level or low level, so that the conduction condition of a corresponding output switch is controlled.
In this embodiment, each first horizontal state transition circuit 3 is connected to one horizontal input port 1, each first vertical state transition circuit 4 is connected to one vertical input port 2, and it can be seen that each first horizontal state transition circuit 3 is independent, and each first vertical state transition circuit 4 is also independent, so that it is called a channel expansion parallel connection method.
Referring to fig. 4, each of the first column state transition circuits 4 is a first column conductor 44, one end of all of the first column conductors 44 is electrically connected to the first column output port 21, and the other end of all of the first column conductors 44 is electrically connected to the second level.
By providing the first column conductor 44, directly connected to the second level signal, only one column is provided, and the multi-channel expansion function is realized by the first horizontal state transition circuit 3.
Referring to fig. 5, each of the first horizontal state transition circuits 3 is a first horizontal wire 34, one end of all the first horizontal wires 34 is electrically connected to the first horizontal output port 11, and the other end of all the first horizontal wires 34 is electrically connected to the first level.
By providing the first row conductors 34, directly connecting with the first level signal, only one row is provided, and the multi-channel expansion function is realized by the first column state switching circuit 4.
Example 1
As shown in fig. 1, 3, 6 and 7, this embodiment takes as an example that each first horizontal state transition circuit 3 outputs three horizontal scan lines and each first vertical state transition circuit 4 also outputs three vertical scan lines. Considering that the output switch 51 has two different conduction modes (high level conduction and low level conduction), the present embodiment takes high level conduction as an example, and the first level is low level, and the second level is high level.
In this embodiment, the horizontal port high level conversion circuit 31 includes a first horizontal electronic switch 311, a control end of the first horizontal electronic switch 311 is electrically connected to the horizontal input port 1, an input end of the first horizontal electronic switch 311 is electrically connected to a first level, and an output end of the first horizontal electronic switch 311 is electrically connected to a first horizontal output port 11;
the column port low level conversion circuit 41 includes a first column electronic switch 411, a control terminal of the first column electronic switch 411 is electrically connected to the column input port 2, an input terminal of the first column electronic switch 411 is electrically connected to the second level, and an output terminal of the first column electronic switch 411 is electrically connected to a first column output port 21;
The first row electronic switch 311 is turned on at a high level, and the first column electronic switch 411 is turned on at a low level.
The high level of the horizontal input port 1 can be converted into low level output by only one first horizontal electronic switch 311; the low level of the column input port 2 can be converted into the high level by only one first column electronic switch 411, fewer electronic components are used, the conversion into one output port is convenient according to the high level of the horizontal input port 1 and the low level of the column input port 2, and the output switches 51 of more rows can be controlled.
In this embodiment, the horizontal port floating level conversion circuit 32 includes a second horizontal electronic switch 321, a third horizontal electronic switch 322 and a fourth horizontal electronic switch 323, where a control end of the second horizontal electronic switch 321 and a control end of the fourth horizontal electronic switch 323 are electrically connected to the horizontal input port 1, an input end of the second horizontal electronic switch 321 is electrically connected to a first level, an output end of the second horizontal electronic switch 321 is electrically connected to an input end of the third horizontal electronic switch 322, an input end of the fourth horizontal electronic switch 323 is electrically connected to a second level, an output end of the fourth horizontal electronic switch 323 is electrically connected to a control end of the third horizontal electronic switch 322, and an output end of the third horizontal electronic switch 322 is electrically connected to a first horizontal output port 11;
The column port floating level conversion circuit 42 includes a second column electronic switch 421, a third column electronic switch 422, and a fourth column electronic switch 423, where a control end of the second column electronic switch 421 and a control end of the fourth column electronic switch 423 are electrically connected to the column input port 2, an input end of the second column electronic switch 421 is electrically connected to the second level, an output end of the second column electronic switch 421 is electrically connected to an input end of the third column electronic switch 422, an input end of the fourth column electronic switch 423 is electrically connected to the first level, an output end of the fourth column electronic switch 423 is electrically connected to a control end of the third column electronic switch 422, and an output end of the third column electronic switch 422 is electrically connected to a first column output port 21;
The third row electronic switch 322 is turned on at a high level, the second row electronic switch 321, the fourth row electronic switch 323, the second column electronic switch 421, and the fourth column electronic switch 423 are all turned on at a floating level, and the third column electronic switch 422 is turned on at a low level.
The horizontal input port 1 can be converted into low-level output by three electronic switches; the column can convert the levitation level of the column input port 2 into a high level for output through three electronic switches, fewer electronic components are used, the levitation level of the column input port 2 and the levitation level of the column input port 1 can be conveniently converted into one output port respectively according to the levitation level of the horizontal input port 1, and the output switches 51 of more rows can be controlled.
In this embodiment, the low level switch circuit 33 of the horizontal port includes a fifth horizontal electronic switch 331 and a sixth horizontal electronic switch 332, the control end of the fifth horizontal electronic switch 331 is electrically connected to the horizontal input port 1, the input end of the fifth horizontal electronic switch 331 is electrically connected to the second level, the output end of the fifth horizontal electronic switch 331 is electrically connected to the control end of the sixth horizontal electronic switch 332, the input end of the sixth horizontal electronic switch 332 is electrically connected to the first level, and the output end of the sixth horizontal electronic switch 332 is electrically connected to a first horizontal output port 11;
The column port high level conversion circuit 43 includes a fifth column electronic switch 431 and a sixth column electronic switch 432, wherein a control end of the fifth column electronic switch 431 is electrically connected to the column input port 2, an input end of the fifth column electronic switch 431 is electrically connected to the first level, an output end of the fifth column electronic switch 431 is electrically connected to a control end of the sixth column electronic switch 432, an input end of the sixth column electronic switch 432 is electrically connected to the second level, and an output end of the sixth column electronic switch 432 is electrically connected to a first column output port 21;
Wherein, the output switch 51 is turned on at a high level, the first level is a low level, and the second level is a high level; the fifth row electronic switch 331 and the sixth column electronic switch 432 are both turned on at a low level, and the sixth row electronic switch 332 and the fifth column electronic switch 431 are both turned on at a high level.
The low level of the horizontal input port 1 can be converted into low level output through the two electronic switches; the column can convert the high level of the column input port 2 into the high level for output by two electronic switches, the number of electronic components used is small, the conversion into one output port is convenient according to the low level of the horizontal input port 1 and the high level of the column input port 2, and the output switches 51 of more rows can be controlled.
Specific circuits are provided for each of the horizontal port high level conversion circuit 31, the horizontal port floating level conversion circuit 32, the horizontal port low level conversion circuit 33, the column port low level conversion circuit 41, the column port floating level conversion circuit 42 and the column port high level conversion circuit 43, and the circuits are all conducted through electronic switches, so that the normal operation of the circuits can be realized only by hardware without a controller (without a program).
In this embodiment, each of the electronic switches and the output switch 51 may be one or a combination of several components such as a transistor, a MOS transistor, a relay, a contactor, or a photocoupler. Or a circuit which can realize the on or off of the input end and the output end according to different signals of the control end.
Referring to fig. 6, the electronic switch and the output switch 51 are both exemplified by MOS transistors. For example, the first level is the power supply negative voltage, i.e., 0V, which is also the low level voltage; the second level is the positive voltage of the power supply, for example 3.3V, which is also the high level voltage; the floating level is the average of the high and low levels (but may be other values between the high and low voltages) and is 1.65V.
Specifically, the output switch 51, the first horizontal electronic switch 311, the third horizontal electronic switch 322, the sixth horizontal electronic switch 332, and the fifth vertical electronic switch are all NMOS transistors, and are all high-level triggered and turned on; for example, the on-voltage is 2.2V (greater than the floating level and less than the high level).
The second horizontal row electronic switch 321 and the fourth vertical row electronic switch 423 are NMOS transistors and are triggered and conducted by suspension level; for example, the on-voltage is 1.1V (less than the floating level).
The fifth horizontal row electronic switch 331, the first column electronic switch 411, the third column electronic switch 422, and the sixth column electronic switch 432 are all NMOS transistors, and are all low-level triggered and turned on; for example, the on voltages are all 2.2V.
The fourth horizontal electronic switch 323 and the second vertical electronic switch 421 are NMOS transistors and are all triggered and conducted by suspension level; for example, the on voltages are 1.1V.
At this time, if the horizontal input port 1 is input at a high level, the vertical input port 2 is input at a floating level. Then, only the first transversal electronic switch 311 is turned on, that is, only the third transversal scanning line (for example, fig. 6) outputs a low level signal; in the column, the second column electronic switch 421 and the fourth column electronic switch 423 are turned on, so that the third column electronic switch 422 is turned on, and only the second column scanning line outputs a high-level signal, that is, only the output switch 51 of 3B in fig. 6 is turned on to output a signal, thereby realizing only output.
Fig. 6 shows a basic circuit one in which only one signal is input to each of the horizontal and vertical columns. Fig. 7 is an actual circuit (taking a horizontal row 2 input, a vertical column 1 input as an example) based on the multi-signal input of fig. 6, so based on this basic circuit of fig. 6, the number of channel extensions a that can be realized by the channel extension parallel connection method is: a=9 nm;
where n is the number of horizontal input ports 1 and m is the number of vertical input ports 2.
Example two
Referring to fig. 1, 3, 8 and 9, the present embodiment is basically the same as the first embodiment except that the arrangement of the horizontal port low level shift circuit 33 and the vertical port high level shift circuit 43 is different, in the present embodiment:
The low level switch circuit 33 of the horizontal port is a second horizontal wire 333, one end of the second horizontal wire 333 is electrically connected with the horizontal input port 1, and the other end of the second horizontal wire 333 is electrically connected with a first horizontal output port 11;
And/or column port high level shifter 43 is a second column conductor 433, one end of second column conductor 433 is electrically connected to column input port 2, and the other end of second column conductor 433 is electrically connected to a first column output port 21;
The output switch 51 is turned on at a high level, the first level is at a low level, and the second level is at a high level.
The low level signal of the horizontal input port 1 can be directly output as low level through the second horizontal wire 333, and no other circuit is required; the high level signal of the column input port 2 can be directly output as a high level through the second column conductor 433, and no other circuit is required, so that the structure is simple and the implementation is easy.
FIG. 8 shows a second basic circuit with only one signal input for each row and column. Fig. 9 is an actual circuit (taking a horizontal row 2 input, a vertical column 1 input as an example) based on the multi-signal input of fig. 8, so based on this basic circuit of fig. 8, the number of channel extensions a that can be realized by the channel extension parallel connection method is: a=9 nm;
where n is the number of horizontal input ports 1 and m is the number of vertical input ports 2.
Example III
Referring to fig. 2 and 10, this embodiment is basically the same as the first embodiment in that the first embodiment is three outputs for each of the first horizontal state transition circuits 3 and each of the first vertical state transition circuits 4, and two outputs for each of the first horizontal state transition circuits.
Specific: the first horizontal state switching circuit 3 includes a horizontal port high level switching circuit 31 and a horizontal port low level switching circuit 33, the horizontal port high level switching circuit 31 has the same structure as in the first embodiment, and the horizontal port low level switching circuit 33 is a second horizontal wire 333; the first column state conversion circuit 4 includes a column port low level conversion circuit 41 and a column port high level conversion circuit 43, the column port low level conversion circuit 41 having the same configuration as in the first embodiment, and the column port high level conversion circuit 43 being a second column conductor 433.
In the actual use process, the two horizontal scanning lines led out by each first horizontal state conversion circuit 3 are respectively and electrically connected with the first level and the second level through resistors, and the two vertical scanning lines led out by each first vertical state conversion circuit 4 are respectively and electrically connected with the first level and the second level through resistors.
Thus, by pulling up the resistor, each horizontal scan line and each vertical scan line are ensured to be at a floating level, preventing the output switch 51 from being erroneously turned on.
Fig. 10 shows an actual circuit after multiple signal inputs (taking horizontal row 2 input and vertical column 2 input as an example), and the number of channel extensions a that can be implemented by the channel extension parallel connection method is: a=4 nm;
where n is the number of horizontal input ports 1 and m is the number of vertical input ports 2.
Example IV
Referring to fig. 2, 11 and 12, this embodiment is basically the same as the third embodiment, except that the third embodiment realizes the trigger conduction by the horizontal port high level shift circuit 31 and the horizontal port low level shift circuit 33, the vertical port low level shift circuit 41 and the vertical port high level shift circuit 43.
In the present embodiment, the trigger conduction is realized by the horizontal port high level conversion circuit 31 and the horizontal port floating level conversion circuit 32, the vertical port low level conversion circuit 41 and the vertical port floating level conversion circuit 42.
Fig. 11 shows a basic circuit three having only one signal input for each of the horizontal and vertical columns. Fig. 12 is an actual circuit (taking horizontal row 2 input, vertical column 2 input as an example) based on the multi-signal input of fig. 11, so based on this basic circuit of fig. 11, the number of channel extensions a that can be realized by the channel extension parallel connection method is: a=4 nm;
where n is the number of horizontal input ports 1 and m is the number of vertical input ports 2.
Example five
Referring to fig. 6, 13 and 14, the present embodiment is based on the first embodiment, in which the row driving circuit is further provided with a second row state switching circuit 7, and the column driving circuit is further provided with a second column state switching circuit 8.
Specific: the horizontal driving circuit comprises 3N groups of first horizontal state conversion circuits 3 and N groups of second horizontal state conversion circuits 7, wherein the control ends of every three groups of first horizontal state conversion circuits 3 are electrically connected with the same horizontal input port 1, the input ends of every three groups of first horizontal state conversion circuits 3 are electrically connected with the first level through one group of second horizontal state conversion circuits 7, and the control ends of every group of second horizontal state conversion circuits 7 are electrically connected with one horizontal input port 1; in the same group of second horizontal state conversion circuits 7, the input ends of the second horizontal state conversion circuits 7 are electrically connected with the first level, the second horizontal state conversion circuits 7 respectively control the first level to be electrically connected with a second horizontal output port 12 according to the high level, the suspension level and the low level of the horizontal input port 1, and three second horizontal output ports 12 are respectively electrically connected with the input ends of the three groups of first horizontal state conversion circuits 3;
the column driving circuit comprises 3M groups of first column state conversion circuits 4 and M groups of second column state conversion circuits 8, wherein the control ends of each three groups of first column state conversion circuits 4 are electrically connected with the same column input port 2, the input ends of each three groups of first column state conversion circuits 4 are electrically connected with the second level through one group of second column state conversion circuits 8, and the control ends of each group of second column state conversion circuits 8 are electrically connected with one column input port 2; in the same group of second column state conversion circuits 8, the input ends of the second column state conversion circuits 8 are electrically connected with the second level, the second column state conversion circuits 8 respectively control the second level to be electrically connected with a second column output port 22 according to the high level, the suspension level and the low level of the column input port 2, and three second column output ports 22 are respectively electrically connected with the input ends of the three groups of first column state conversion circuits 4;
wherein M and N are positive integers.
Through the second horizontal state conversion circuit 7, according to three different level states of the horizontal input port 1, three first levels are output, and the three first levels are used as input ends of the three first horizontal state conversion circuits 3, so that the horizontal input port 1 is expanded to three exponent power output ports; by the second column state conversion circuit 8, according to three different level states of the column input port 2, three second levels are output, and the three second levels are used as input ends of the three first column state conversion circuits 4, so that the column input port 2 is expanded to three exponent power output ports; the number of channel extensions is greater.
In practical design, the second horizontal state transition circuit 7 may be configured as a circuit structure identical to that of the first horizontal state transition circuit 3, and the second vertical state transition circuit 8 may be configured as a circuit structure identical to that of the first vertical state transition circuit.
In this embodiment, each of the three first horizontal state switching circuits 3 is connected to one horizontal input port 1, and each of the second horizontal state switching circuits 7 is connected to one horizontal input port 1; every three first column state conversion circuits 4 are connected to one column input port 2, and every second column state conversion circuit 8 is connected to one column input port 2. Thus, it can be seen that the first row state transition circuits 3 are connected in series every three rows and the first column state transition circuits 4 are also connected in series every three columns, which is therefore referred to as a channel expansion series connection.
Fig. 14 shows an actual circuit (taking a horizontal row 2 input, a vertical column 2 input as an example) based on the multi-signal input of fig. 6, so based on this basic circuit of fig. 6, the number of channel extensions a that can be realized by the channel extension series connection method is: a=3 (n+m);
If based on this basic circuit of fig. 8, the number of channel extensions a that can be achieved by the channel extension series connection method is:
where n is the number of horizontal input ports 1 and m is the number of vertical input ports 2.
Example six
Referring to fig. 11, 15 and 16, the present embodiment is substantially the same as the fifth embodiment except that each of the first horizontal state transition circuits 3 and each of the first vertical state transition circuits of the fifth embodiment is a three-channel output, and in the present embodiment, is a two-channel output.
Specifically, the horizontal driving circuit includes 2N groups of first horizontal state conversion circuits 3 and N groups of second horizontal state conversion circuits 7, wherein the control ends of every two groups of first horizontal state conversion circuits 3 are electrically connected with the same horizontal input port 1, the input ends of every two groups of first horizontal state conversion circuits 3 are electrically connected with the first level through one group of second horizontal state conversion circuits 7, and the control ends of every group of second horizontal state conversion circuits 7 are electrically connected with one horizontal input port 1; in the same group of second horizontal state conversion circuits 7, the input ends of the second horizontal state conversion circuits 7 are electrically connected with the first level, the second horizontal state conversion circuits 7 respectively control the first level to be electrically connected with a second horizontal output port 12 according to the high level, the suspension level and the low level of the horizontal input port 1, and two of the three second horizontal output ports 12 are optionally electrically connected with the input ends of the two groups of first horizontal state conversion circuits 3 respectively;
The column driving circuit comprises 2M groups of first column state conversion circuits 4 and M groups of second column state conversion circuits 8, wherein the control ends of every two groups of first column state conversion circuits 4 are electrically connected with the same column input port 2, the input ends of every two groups of first column state conversion circuits 4 are electrically connected with the second level through one group of second column state conversion circuits 8, and the control end of every group of second column state conversion circuits 8 is electrically connected with one column input port 2; in the same group of second column state conversion circuits 8, the input ends of the second column state conversion circuits 8 are electrically connected with the second level, the second column state conversion circuits 8 respectively control the second level to be electrically connected with a second column output port 22 according to the high level, the suspension level and the low level of the column input port 2, and two of the three second column output ports 22 are optionally electrically connected with the input ends of the two groups of first column state conversion circuits 4 respectively;
wherein M and N are positive integers.
Through the second horizontal state conversion circuit 7, according to three different level states of the horizontal input port 1, three first levels are output, and optionally two first levels are used as input ends of the two first horizontal state conversion circuits 3, so that the horizontal input port 1 is expanded to be an exponent power of two output ports; through the second column state conversion circuit 8, according to three different level states of the column input port 2, three second levels are output, and optionally two second levels are used as input ends of the two first column state conversion circuits 4, so that the column input port 2 is expanded to be an exponent power of two output ports; the number of channel extensions is greater.
Fig. 16 shows an actual circuit (taking a horizontal row 2 input, a vertical column 2 input as an example) based on the multi-signal input of fig. 11, so based on this basic circuit of fig. 11, the number of channel extensions a that can be realized by the channel extension series connection method is: a=2 (n +m);
If based on the basic circuit of fig. 10, the number of channel extensions a that can be achieved by the channel extension series connection method is:
where n is the number of horizontal input ports 1 and m is the number of vertical input ports 2.
The application is shown in only a few examples and many more practical examples are possible.
In actual use, the output switch 51 has two different conduction modes: high level conduction and low level conduction.
All the first horizontal row state transition circuits 3 can be directly connected through wires, and the columns are similar.
Each first horizontal state transition circuit 3 can realize three outputs (shown by ①、②、③) through a circuit, and one of the first horizontal state transition circuits can realize the output through the circuit, and can also directly output through a wire (shown byRepresentation) and finally select 4 kinds of single output (①,/>)②、③ ) Connection mode, double output 5 kinds (①②、①③、②③,/>)②、/>③ ) Connection method, three outputs 2 kinds (①②③,/>②③ ) The connection mode is 11 connection modes for each first horizontal state transition circuit 3. In column-like fashion, each first column state transition circuit 4 has 11 connections.
Meanwhile, there are a channel expansion parallel connection method and a channel expansion serial connection method.
Therefore, if the first row state transition circuits 3 are the same in each embodiment and each first column state transition circuit 4 is the same, the number B of common embodiments of the present application is:
B＝2×2×11×11×2＝968。
If the first row state transition circuits 3 are different in each embodiment and the first column state transition circuits 4 are different in each embodiment, then there will be more embodiments.
The beneficial effects of the invention are as follows: through the first horizontal state switching circuit 3 and the first vertical state switching circuit 4, each horizontal input port 1 and each vertical input port 2 are divided into one, two or three output ports, and can be electrically connected with more output switches 51, so that more channel output ends are provided, and the number of channel expansion is greatly increased.
While the foregoing description illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the invention.

Claims (10)

1. A multi-channel expansion system, characterized by: comprising the following steps:
The horizontal driving circuit comprises at least one group of first horizontal state conversion circuits (3), and the control end of each group of first horizontal state conversion circuits (3) is respectively and electrically connected with one horizontal input port (1); in the same group of first horizontal state conversion circuits (3), the input ends of the first horizontal state conversion circuits (3) are electrically connected with a first level, the first horizontal state conversion circuits (3) respectively control the first level to be electrically connected with a first horizontal output port (11) according to the high level, the suspension level and the low level of a horizontal input port (1), and one, two or three optional first horizontal output ports (11) are respectively electrically connected with one, two or three horizontal scanning lines;
The column driving circuit comprises at least one group of first column state conversion circuits (4), and the control end of each group of first column state conversion circuits (4) is electrically connected with a column input port (2) respectively; in the same group of first column state conversion circuits (4), the input ends of the first column state conversion circuits (4) are electrically connected with the second level, the first column state conversion circuits (4) respectively control the second level to be electrically connected with a first column output port (21) according to the high level, the suspension level and the low level of the column input port (2), and one, two or three optional first column output ports (21) are respectively electrically connected with one, two or three column scanning lines;
The channel output circuit (5) comprises a plurality of output switches (51) which are arranged in a matrix, all input ends of each row of the output switches (51) are electrically connected with a horizontal scanning line, all control ends of each column of the output switches (51) are electrically connected with a vertical scanning line, and the output end of each output switch (51) is a channel output end (6);
wherein, if the output switch (51) is turned on at a high level, the first level is at a low level, and the second level is at a high level; if the output switch (51) is turned on at a low level, the first level is at a high level, and the second level is at a low level; the hover level is greater than the low level and the hover level is less than the high level.
2. A multi-channel expansion system according to claim 1, characterized in that:
The first horizontal state switching circuit (3) comprises a horizontal port high-level switching circuit (31), a horizontal port floating level switching circuit (32) and a horizontal port low-level switching circuit (33); the control end of the horizontal port high-level conversion circuit (31), the control end of the horizontal port floating level conversion circuit (32) and the control end of the horizontal port low-level conversion circuit (33) are electrically connected with the same horizontal input port (1), the input end of the horizontal port high-level conversion circuit (31), the input end of the horizontal port floating level conversion circuit (32) and the input end of the horizontal port low-level conversion circuit (33) are electrically connected with a first level, and the output end of the horizontal port high-level conversion circuit (31), the output end of the horizontal port floating level conversion circuit (32) and the output end of the horizontal port low-level conversion circuit (33) are respectively electrically connected with a first horizontal output port (11);
the horizontal port high-level conversion circuit (31) is conducted at a high level, the horizontal port floating level conversion circuit (32) is conducted at a floating level, and the horizontal port low-level conversion circuit (33) is conducted at a low level;
The first column state conversion circuit (4) comprises a column port low level conversion circuit (41), a column port floating level conversion circuit (42) and a column port high level conversion circuit (43); the control end of the column port high-level conversion circuit (43), the control end of the column port floating-level conversion circuit (42) and the control end of the column port low-level conversion circuit (41) are electrically connected with the same column input port (2), the input end of the column port high-level conversion circuit (43), the input end of the column port floating-level conversion circuit (42) and the input end of the column port low-level conversion circuit (41) are electrically connected with the second level, and the output end of the column port high-level conversion circuit (43), the output end of the column port floating-level conversion circuit (42) and the output end of the column port low-level conversion circuit (41) are respectively electrically connected with a first column output port (21);
The column port high level conversion circuit (43) is conducted at a high level, the column port floating level conversion circuit (42) is conducted at a floating level, and the column port low level conversion circuit (41) is conducted at a low level.
3. A multi-channel expansion system according to claim 2, characterized in that:
The horizontal port high-level conversion circuit (31) comprises a first horizontal electronic switch (311), wherein the control end of the first horizontal electronic switch (311) is electrically connected with the horizontal input port (1), the input end of the first horizontal electronic switch (311) is electrically connected with a first level, and the output end of the first horizontal electronic switch (311) is electrically connected with a first horizontal output port (11);
The column port low-level conversion circuit (41) comprises a first column electronic switch (411), wherein the control end of the first column electronic switch (411) is electrically connected with the column input port (2), the input end of the first column electronic switch (411) is electrically connected with the second level, and the output end of the first column electronic switch (411) is electrically connected with a first column output port (21);
Wherein the output switch (51) is turned on at a high level, the first level is a low level, and the second level is a high level; the first horizontal row electronic switch (311) is turned on at a high level, and the first vertical column electronic switch (411) is turned on at a low level.
4. A multi-channel expansion system according to claim 2, characterized in that:
The horizontal port suspension level conversion circuit (32) comprises a second horizontal electronic switch (321), a third horizontal electronic switch (322) and a fourth horizontal electronic switch (323), wherein the control end of the second horizontal electronic switch (321) and the control end of the fourth horizontal electronic switch (323) are electrically connected with the horizontal input port (1), the input end of the second horizontal electronic switch (321) is electrically connected with the first level, the output end of the second horizontal electronic switch (321) is electrically connected with the input end of the third horizontal electronic switch (322), the input end of the fourth horizontal electronic switch (323) is electrically connected with the second level, the output end of the fourth horizontal electronic switch (323) is electrically connected with the control end of the third horizontal electronic switch (322), and the output end of the third horizontal electronic switch (322) is electrically connected with a first horizontal output port (11);
The column port floating level conversion circuit (42) comprises a second column electronic switch (421), a third column electronic switch (422) and a fourth column electronic switch (423), wherein the control end of the second column electronic switch (421) and the control end of the fourth column electronic switch (423) are electrically connected with the column input port (2), the input end of the second column electronic switch (421) is electrically connected with a second level, the output end of the second column electronic switch (421) is electrically connected with the input end of the third column electronic switch (422), the input end of the fourth column electronic switch (423) is electrically connected with a first level, the output end of the fourth column electronic switch (423) is electrically connected with the control end of the third column electronic switch (422), and the output end of the third column electronic switch (422) is electrically connected with a first column output port (21);
Wherein the output switch (51) is turned on at a high level, the first level is a low level, and the second level is a high level; the third horizontal row electronic switch (322) is conducted at a high level, the second horizontal row electronic switch (321), the fourth horizontal row electronic switch (323), the second column electronic switch (421) and the fourth column electronic switch (423) are all conducted at a suspension level, and the third column electronic switch (422) is conducted at a low level.
5. A multi-channel expansion system according to claim 2, characterized in that:
The horizontal port low-level conversion circuit (33) comprises a fifth horizontal electronic switch (331) and a sixth horizontal electronic switch (332), wherein the control end of the fifth horizontal electronic switch (331) is electrically connected with the horizontal input port (1), the input end of the fifth horizontal electronic switch (331) is electrically connected with the second level, the output end of the fifth horizontal electronic switch (331) is electrically connected with the control end of the sixth horizontal electronic switch (332), the input end of the sixth horizontal electronic switch (332) is electrically connected with the first level, and the output end of the sixth horizontal electronic switch (332) is electrically connected with a first horizontal output port (11);
The column port high-level conversion circuit (43) comprises a fifth column electronic switch (431) and a sixth column electronic switch (432), wherein the control end of the fifth column electronic switch (431) is electrically connected with the column input port (2), the input end of the fifth column electronic switch (431) is electrically connected with the first level, the output end of the fifth column electronic switch (431) is electrically connected with the control end of the sixth column electronic switch (432), the input end of the sixth column electronic switch (432) is electrically connected with the second level, and the output end of the sixth column electronic switch (432) is electrically connected with a first column output port (21);
Wherein the output switch (51) is turned on at a high level, the first level is a low level, and the second level is a high level; the fifth horizontal row electronic switch (331) and the sixth vertical column electronic switch (432) are both in low-level conduction, and the sixth horizontal row electronic switch (332) and the fifth vertical column electronic switch (431) are both in high-level conduction.
6. A multi-channel expansion system according to claim 2, characterized in that:
The horizontal port low-level conversion circuit (33) is a second horizontal wire (333), one end of the second horizontal wire (333) is electrically connected with the horizontal input port (1), and the other end of the second horizontal wire (333) is electrically connected with a first horizontal output port (11);
And/or the column port high level conversion circuit (43) is a second column conductor (433), one end of the second column conductor (433) is electrically connected to the column input port (2), and the other end of the second column conductor (433) is electrically connected to a first column output port (21).
7. A multi-channel expansion system according to claim 1, characterized in that:
Each first horizontal state switching circuit (3) is a first horizontal wire (34), one end of each first horizontal wire (34) is electrically connected with the first horizontal output port (11), and the other end of each first horizontal wire (34) is electrically connected with the first level.
8. A multi-channel expansion system according to claim 1, characterized in that:
each first column state conversion circuit (4) is a first column conductor (44), one end of each first column conductor (44) is electrically connected with the first column output port (21), and the other end of each first column conductor (44) is electrically connected with the second level.
9. A multi-channel expansion system according to any of claims 1-8, characterized in that:
The horizontal driving circuit comprises 3N groups of first horizontal state conversion circuits (3) and N groups of second horizontal state conversion circuits (7), wherein the control ends of each three groups of first horizontal state conversion circuits (3) are electrically connected with the same horizontal input port (1), the input ends of each three groups of first horizontal state conversion circuits (3) are electrically connected with a first level through one group of second horizontal state conversion circuits (7), and the control ends of each group of second horizontal state conversion circuits (7) are electrically connected with one horizontal input port (1); in the same group of second horizontal state conversion circuits (7), the input ends of the second horizontal state conversion circuits (7) are electrically connected with the first level, the second horizontal state conversion circuits (7) respectively control the first level to be electrically connected with a second horizontal output port (12) according to the high level, the suspension level and the low level of the horizontal input port (1), and the three second horizontal output ports (12) are respectively electrically connected with the input ends of the three groups of first horizontal state conversion circuits (3);
The column driving circuit comprises 3M groups of first column state conversion circuits (4) and M groups of second column state conversion circuits (8), wherein the control ends of each three groups of first column state conversion circuits (4) are electrically connected with the same column input port (2), the input ends of each three groups of first column state conversion circuits (4) are electrically connected with the second level through one group of second column state conversion circuits (8), and the control ends of each group of second column state conversion circuits (8) are electrically connected with one column input port (2); in the same group of second column state conversion circuits (8), the input ends of the second column state conversion circuits (8) are electrically connected with second levels, the second column state conversion circuits (8) respectively control the second levels to be electrically connected with a second column output port (22) according to the high level, the suspension level and the low level of the column input ports (2), and three second column output ports (22) are respectively electrically connected with the input ends of the three groups of first column state conversion circuits (4);
wherein M and N are positive integers.
10. A multi-channel expansion system according to any of claims 1-8, characterized in that:
The horizontal driving circuit comprises 2N groups of first horizontal state conversion circuits (3) and N groups of second horizontal state conversion circuits (7), wherein the control ends of every two groups of first horizontal state conversion circuits (3) are electrically connected with the same horizontal input port (1), the input ends of every two groups of first horizontal state conversion circuits (3) are electrically connected with a first level through one group of second horizontal state conversion circuits (7), and the control ends of every two groups of second horizontal state conversion circuits (7) are electrically connected with one horizontal input port (1); in the same group of second horizontal state conversion circuits (7), the input ends of the second horizontal state conversion circuits (7) are electrically connected with the first level, the second horizontal state conversion circuits (7) respectively control the first level to be electrically connected with a second horizontal output port (12) according to the high level, the suspension level and the low level of the horizontal input port (1), and two of the three second horizontal output ports (12) are optionally electrically connected with the input ends of the two groups of first horizontal state conversion circuits (3) respectively;
the column driving circuit comprises 2M groups of first column state conversion circuits (4) and M groups of second column state conversion circuits (8), wherein the control ends of every two groups of first column state conversion circuits (4) are electrically connected with the same column input port (2), the input ends of every two groups of first column state conversion circuits (4) are electrically connected with the second level through one group of second column state conversion circuits (8), and the control ends of every two groups of second column state conversion circuits (8) are electrically connected with one column input port (2); in the same group of second column state conversion circuits (8), the input ends of the second column state conversion circuits (8) are electrically connected with second levels, the second column state conversion circuits (8) respectively control the second levels to be electrically connected with a second column output port (22) according to the high level, the suspension level and the low level of the column input ports (2), and two of the three second column output ports (22) are optionally electrically connected with the input ends of the two groups of first column state conversion circuits (4) respectively;
wherein M and N are positive integers.
CN202410082121.9A 2024-01-19 2024-01-19 Multichannel expansion system Pending CN118132485A (en)

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Application Number Priority Date Filing Date Title
CN202410082121.9A CN118132485A (en) 2024-01-19 2024-01-19 Multichannel expansion system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410082121.9A CN118132485A (en) 2024-01-19 2024-01-19 Multichannel expansion system

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CN118132485A true CN118132485A (en) 2024-06-04

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Family Applications (1)

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CN202410082121.9A Pending CN118132485A (en) 2024-01-19 2024-01-19 Multichannel expansion system

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