CN116047962A

CN116047962A - General multi-way relay system

Info

Publication number: CN116047962A
Application number: CN202211712150.6A
Authority: CN
Inventors: 叶永权; 陈杰铭; 邹坤; 黄晓彬; 欧阳鹏; 黄麦多; 丘杨枫
Original assignee: Guangdong Weihui Intelligent Technology Co ltd
Current assignee: Guangdong Weihui Intelligent Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-02

Abstract

The invention relates to the technical field of relay control, in particular to a universal multi-path relay system. The intelligent control system comprises a singlechip, a relay module, a control module, a relay state monitoring module and an input/output module; the single chip microcomputer is in signal connection with the control module, and the relay module is in control connection with the control module; the relay module comprises at least 100 paths of relays, the control module is respectively connected with coils of the relays in a control mode, the relay is controlled to be electrically conducted according to control signals of the single chip microcomputer, and the relay state monitoring module is used for detecting the conduction condition of the relays and sending detected signals to the single chip microcomputer; the input/output module is used for controlling the connection of the input signal end and the output signal end according to the state of each relay. The system has low equipment cost and short exchange period, saves a great deal of equipment cost and time cost, and is greatly convenient for popularization and application.

Description

General multi-way relay system

Technical Field

The invention relates to the technical field of relay control, in particular to a universal multi-path relay system.

Background

The relay system is generally used as a control device in the test of products, and with the continuous development of industry, ports of the products are increased at present, so that higher requirements on the test efficiency of the products are also provided, and the relay system can only reach 64 paths at most. In order to meet the requirements, a relay system reaching the target number of ports is usually used by adopting a plurality of channel DO boards and matched with the self-made relay boards, and although the number of channels can reach the requirements, a plurality of sets of systems are needed to be combined, so that the cost is relatively high. The special relay board card with high integration level is adopted, but the cost is high, the exchange period is very long, at least six months are required, the development time of the project is greatly prolonged, the expandability is very poor, the structure is very compact, the wiring is inconvenient, and the large-scale popularization and application are not facilitated.

Disclosure of Invention

The invention provides a general multi-channel relay system, which aims to solve the technical problems that a multi-channel relay needs a plurality of sets of system components in the number of channels which can be realized by the current relay system, has high cost and poor expandability.

In order to solve the technical problems, the technical scheme of the invention is as follows:

the invention provides a general multi-path relay system, which comprises a singlechip, a relay module, a control module, a relay state monitoring module and an input/output module, wherein the singlechip is connected with the relay module; the single chip microcomputer is in signal connection with the control module, the relay module is in control connection with the control module, the input end of the relay state monitoring module is in signal detection connection with the relay module, and the output end of the relay state monitoring module is connected with the single chip microcomputer; the input/output module comprises an input signal end and an output signal end, and the input signal end is connected with the output signal end through the relay module; the relay module comprises at least 100 paths of relays, the control module is respectively connected with coils of the relays in a control mode, the relay is controlled to be electrically conducted according to control signals of the single chip microcomputer, and the relay state monitoring module is used for detecting the conduction condition of the relays and sending detected signals to the single chip microcomputer; the input/output module is used for controlling the connection of the input signal end and the output signal end according to the state of each relay.

Furthermore, the relay is a double-pole double-throw relay, one path of the relay is connected with the relay state monitoring module in a detection mode, and the other path of the relay is connected with the input/output module.

Further, the relay state monitoring module comprises at least 20 detection ports, the relay state monitoring module forms a matrix detection network through a plurality of detection ports, the detection ports are connected with a plurality of relays, each relay of the relay module is respectively connected with 2 detection ports of the relay state detection module, and the relay state monitoring module detects whether the corresponding relay acts normally or not through detecting signal change conditions of the corresponding 2 detection ports.

Further, the relay module comprises 100 relays, the relay state monitoring module comprises 20 detection ports, the detection ports are respectively connected with 10 relays, and the relays are respectively connected with 2 detection ports to form a 10×10 rectangular detection network.

Further, the input/output module includes 100 input channels and 100 output channels, and each input channel is connected with a corresponding output channel through a corresponding relay.

Further, the input channel combination of the input/output module comprises a single 100-path signal source, two 50-path signal sources and four 25-path signal sources.

Further, the control module comprises a plurality of groups of D flip-flops and Darlington transistors; and the input end of the D trigger is connected with the singlechip through signals, and the output end of the D trigger is connected with each relay of the relay module through a Darlington transistor.

Further, the system also comprises an Ethernet module, wherein the Ethernet module is in signal connection with the singlechip and is used for being in butt joint with an external Ethernet port to realize the connection between the system and an upper computer.

Further, the intelligent power supply system further comprises a power supply module, wherein the power supply module is respectively in power supply connection with the singlechip, the relay module, the control module, the relay state monitoring module and the input/output module and is used for providing power input for each module in the system.

Further, the relay state monitoring device further comprises an indicator lamp, wherein the indicator lamp is connected with the relay state monitoring module and used for indicating when the relay state monitoring module detects that the relay module has false actions.

The relay module is provided with 100 paths of relays and is connected with the singlechip through the control module, and when the relay module is used, the singlechip controls the relay module to switch the corresponding relay to obtain electricity by sending clock signals and control signals, so that the communication of the input and output modules is realized. The system can flexibly control the number of the accessed channels, and can also very flexibly combine the input channels, thereby conveniently meeting the requirements of production test application. The system has low equipment cost and short exchange period, saves a great deal of equipment cost and time cost, and is greatly convenient for popularization and application.

Drawings

Fig. 1 is a block diagram of a general multi-path relay system according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a relay status monitoring module according to an embodiment of the present invention.

Fig. 3 is a control block diagram of the one-way relay in the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of an input channel combination in an embodiment of the present invention.

Fig. 5 is a block diagram of an implementation structure of a general multi-path relay system according to an embodiment of the present invention.

Wherein, the liquid crystal display device comprises a liquid crystal display device,

the single chip microcomputer is 10, the relay module is 20, the control module is 30, the relay state monitoring module is 40, the input and output module is 50, the Ethernet module is 60, and the power supply module is 70.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

The same or similar reference numerals in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it should be understood that, if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc., based on the orientation or positional relationship shown in the drawings, this is merely for convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in the specific orientation, so that the words describing the positional relationship in the drawings are merely for illustration and are not to be construed as limiting the present patent.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are primarily for distinguishing between different devices, elements, or components (the particular categories and configurations may be the same or different) and are not intended to indicate or imply relative importance or quantity of the devices, elements, or components indicated, but are not to be construed as indicating or implying relative importance.

Example 1

Referring to fig. 1, the present embodiment provides a general multi-path relay system, which is mainly used for controlling between input and output in the product testing process. Specifically, the system comprises a singlechip 10, a relay module 20, a control module 30, a relay state monitoring module 40 and an input/output module 50, wherein the singlechip 10 is a CPU processor of the system and is responsible for information processing and signal transmission and is used for outputting a time sequence signal and a control signal according to a signal of an upper computer, and the control module 30 is used for controlling the power-on and power-off of a relay coil of the relay module 20 so as to control the on-off of the whole relay module 20. On the other hand, the relay module 20 is an action module of the system, controls on-off of each signal channel, the input/output module 50 is responsible for input and output of each signal channel, and two ends of the signal channel are respectively an input signal end and an output signal end of the input/output module 50, wherein the input signal end is connected with an input signal source of the system, and the output signal end is connected with an output signal source of the signal. The relay state detection module is mainly used for detecting whether each relay receives a conduction signal and closes the relay, namely judging whether the relay module 20 acts normally or not, and if false acts exist, alarming and recording are carried out.

In a specific connection aspect, the single chip microcomputer 10 is in signal connection with the control module 30, the relay module 20 is in control connection with the control module 30, specifically, the input end of the control module 30 is connected with the signal output end of the single chip microcomputer 10, the output end of the control module 30 is connected with the control end of the relay module 20, and the single chip microcomputer 10 sends a control signal to the control module 30 to control the on and off of a multi-path relay in the relay module 20. On the other hand, the input end of the relay state monitoring module 40 is connected with the relay module 20 through signal detection, the output end of the relay state monitoring module is connected with the single chip microcomputer 10, the relay state monitoring module is connected with one switch of each relay of the relay module 20, signal changes when the switch is closed are collected and sent to the single chip microcomputer 10, and then whether the relay acts normally or not is detected.

The input/output module 50 includes an input signal end and an output signal end, the input signal end is connected with the output signal end through the relay module 20, the relay module 20 includes at least 100 paths of relays, the plurality of input signal ends are respectively connected with the output signal end through corresponding relays, the control module 30 is connected with coil control of each path of relay, and after the singlechip 10 outputs a time sequence signal and a control signal, the control module 30 enables the corresponding relay to be powered on at corresponding time, so as to realize a control function of a relay system.

The advantage of this embodiment is that the relay module 20 of this embodiment is provided with a relay of 100 routes, and is connected with the singlechip 10 through the control module 30, and when in use, the singlechip 10 controls the relay module 20 to switch the corresponding relay to obtain electricity through sending clock signals and control signals, so as to realize the communication of the input/output module 50. The system can flexibly control the number of the accessed channels, and can also very flexibly combine the input channels, thereby conveniently meeting the requirements of production test application.

Example two

The embodiment also provides a general multi-path relay system, which comprises a singlechip 10, a relay module 20, a control module 30, a relay state monitoring module 40 and an input/output module 50; the single chip microcomputer 10 is in signal connection with the control module 30, the relay module 20 is in control connection with the control module 30, the input end of the relay state monitoring module 40 is in signal detection connection with the relay module 20, and the output end of the relay state monitoring module is connected with the single chip microcomputer 10; the input/output module 50 includes an input signal end and an output signal end, the input signal end is connected with the output signal end through the relay module 20; the relay module 20 comprises at least 100 paths of relays, the control module 30 is respectively connected with coils of each path of relay in a control manner, and is used for controlling the conduction of each path of relay according to control signals of the singlechip 10, and the relay state monitoring module 40 is used for detecting the conduction condition of each path of relay and sending detected signals to the singlechip 10; the input/output module 50 is used for controlling the connection of the input signal terminal and the output signal terminal according to the states of the relays.

The difference between this embodiment and the first embodiment is that this embodiment also provides some specific implementations.

Preferably, the relay is a double-pole double-throw relay, one path of the relay switch is connected with the relay state monitoring module 40 in a detection way, the other path of the relay switch is connected with the input/output module 50, and the double-pole double-throw relay is adopted to separate the state detection circuit from the signal channel based on the consideration of the relay state detection function, so that the influence of the state detection circuit on the actual signal channel is avoided. In this way, when the coil of the relay is powered on, the contact switch of the relay will be closed, one path is a signal channel, the input/output module 50 is controlled, the relay control function is realized, the other path is for state detection, and the relay state monitoring module 40 monitors whether the switch of the relay acts normally or not through the path.

Preferably, the relay protection device further comprises an indicator lamp, wherein the indicator lamp is connected with the relay state monitoring module 40 and is used for indicating when the relay state monitoring module 40 detects that the relay module 20 is in error action.

More preferably, the relay state monitoring module 40 includes at least 20 detection ports, the relay state monitoring module 40 forms a matrix detection network through a plurality of detection ports, the detection ports are connected with a plurality of relays, each relay of the relay module 20 is respectively connected with 2 detection ports of the relay state monitoring module, and the relay state monitoring module 40 detects whether the corresponding relay acts normally by detecting the signal change condition of the corresponding 2 detection ports. The purpose of matrix detection is to effectively reduce the quantity of detection ports, after the relay gets the electricity, is equivalent to the signal source of detection circuit's one end connection high level, connect two GPIO ports of same relay, the detection port can all receive high level signal promptly, therefore through judging which two GPIO ports received the mode of high level, can be accurate know the action of corresponding relay whether, and whether the system has normal action according to the instruction of control relay switch that singlechip 10 sent again, if the mistake then lights the error indication lamp.

In this embodiment, referring to fig. 2, the relay module 20 includes 100 relays, the relay status monitoring module 40 includes 20 detection ports, the detection ports are respectively connected with 10 relays, and the relays are respectively connected with 2 detection ports, so as to form a 10×10 rectangular detection network. Also preferably, the input-output module 50 includes 100 input channels and 100 output channels, each input channel being connected to a corresponding output channel through a corresponding relay, respectively.

Referring to fig. 4, the input channel combination of the input/output module 50 preferably includes 100×1, 50×2 and 25×4, which is beneficial for large-scale application and popularization. 50×2 means that 100 inputs are divided into 2 groups of 50 inputs, and 2 groups of inputs are respectively connected in parallel to 2 signal sources, namely 50 inputs are the same signal source, and the other 50 inputs are another signal source. 25×4 means dividing 100 inputs into 4 groups of 25 inputs, the 4 groups of inputs being connected in parallel to 4 signal sources, respectively.

Example III

The embodiment also provides a general multi-path relay system, which comprises a singlechip 10, a relay module 20, a control module 30, a relay state monitoring module 40 and an input-output module 50; the single chip microcomputer 10 is in signal connection with the control module 30, the relay module 20 is in control connection with the control module 30, the input end of the relay state monitoring module 40 is in signal detection connection with the relay module 20, and the output end of the relay state monitoring module is connected with the single chip microcomputer 10; the input/output module 50 includes an input signal end and an output signal end, the input signal end is connected with the output signal end through the relay module 20; the relay module 20 comprises at least 100 paths of relays, the control module 30 is respectively connected with coils of each path of relay in a control manner, and is used for controlling the conduction of each path of relay according to control signals of the singlechip 10, and the relay state monitoring module 40 is used for detecting the conduction condition of each path of relay and sending detected signals to the singlechip 10; the input/output module 50 is used for controlling the connection of the input signal terminal and the output signal terminal according to the states of the relays.

The present embodiment differs from the first and second embodiments in that the present embodiment discloses the following embodiments.

Preferably, the control module 30 of the present embodiment includes a plurality of sets of D flip-flops and darlington transistors, wherein an input end of the D flip-flop is connected to the single chip microcomputer 10 through signals, and an output end of the D flip-flop is connected to each relay of the relay module 20 through the darlington transistors. Specifically, each relay is controlled through a D trigger and a Darlington transistor array, and then a plurality of groups of D triggers and the Darlington transistor array are distributed to form 100 relay control circuits, so that the relay control circuits are integrated on a system.

Preferably, the universal multi-path relay system further comprises an ethernet module 60 and a power supply module 70, wherein the ethernet module 60 is used for being responsible for information interaction between the system and the outside, and the power supply module 70 is used for being responsible for power supply of the whole system. In terms of specific structure, the ethernet module 60 is in signal connection with the single chip microcomputer 10, and is used for interfacing with an external ethernet port, so as to realize connection between the system and an upper computer. The power supply module 70 is respectively in power supply connection with the singlechip 10, the relay module 20, the control module 30, the relay state monitoring module 40 and the input/output module 50, and is used for providing power input for each module in the system.

For better operation experience, specific parameters of each component of the embodiment are provided, refer to fig. 5, in which, the singlechip 10 adopts a chip of STM32, the relay in the relay module 20 adopts a double-pole double-throw relay, and is provided with 100 paths of relays, the control module 30 includes a D trigger and a darlington transistor, the ethernet module 60 includes an ethernet PHY chip, and the singlechip 10 is connected with an external ethernet port through the ethernet PHY chip. The power module 70 is used to power other modules in the system. Specifically, the system adopts an STM32 chip as a main control, and the main control sends out a clock signal and a relay switch instruction to control the Darlington transistor array to drive the relay to act through a D trigger. As shown in fig. 2, the relay state monitoring module 40 detects the states of all the relay switches connected by the 20 GPIO ports, and the two switches connected to the two paths respectively act simultaneously when the relay acts, so that one end of the detection circuit is connected with a high-level signal source, and the two GPIO ports connected to the same relay receive high-level signals, so that only by judging which two GPIO ports receive high level, whether the relay acts or not can be accurately known, and then whether the system acts normally or not is judged according to the instruction of controlling the relay switches sent by the singlechip 10, and if an error occurs, the error indicator is lighted.

It is to be understood that the above examples of the present invention are provided by way of illustration only and are not intended to limit the scope of the invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. The universal multi-path relay system is characterized by comprising a singlechip, a relay module, a control module, a relay state monitoring module and an input/output module; the single chip microcomputer is in signal connection with the control module, the relay module is in control connection with the control module, the input end of the relay state monitoring module is in signal detection connection with the relay module, and the output end of the relay state monitoring module is connected with the single chip microcomputer; the input/output module comprises an input signal end and an output signal end, and the input signal end is connected with the output signal end through the relay module; the relay module comprises at least 100 paths of relays, the control module is respectively connected with coils of the relays in a control mode, the relay is controlled to be electrically conducted according to control signals of the single chip microcomputer, and the relay state monitoring module is used for detecting the conduction condition of the relays and sending detected signals to the single chip microcomputer; the input/output module is used for controlling the connection of the input signal end and the output signal end according to the state of each relay.

2. The universal multiple relay system according to claim 1, wherein the relay is a double pole double throw relay, one path of the relay is connected with the relay state monitoring module in a detection manner, and the other path of the relay is connected with the input/output module.

3. The universal multi-path relay system according to claim 1 or 2, wherein the relay state monitoring module comprises at least 20 detection ports, the relay state monitoring module forms a matrix detection network through a plurality of detection ports, the detection ports are connected with a plurality of relays, each path of relay of the relay module is respectively connected with 2 detection ports of the relay state detection module, and the relay state monitoring module detects whether the corresponding relay acts normally or not by detecting the signal change condition of the corresponding 2 detection ports.

4. A universal multiple relay system according to claim 3, wherein the relay module comprises 100 relays, the relay status monitoring module comprises 20 detection ports, the detection ports are respectively connected with 10 relays, and the relays are respectively connected with 2 detection ports to form a 10 x 10 rectangular detection network.

5. The universal multiple relay system of claim 4, wherein the input-output module comprises 100 input channels and 100 output channels, each of the input channels being connected to a corresponding output channel by a corresponding relay.

6. The universal multi-way relay system of claim 5, wherein the input channel combination of the input-output module comprises a single 100-way signal source, two 50-way signal sources, and four 25-way signal sources.

7. The universal multi-way relay system of claim 1, wherein the control module comprises a plurality of sets of D flip-flops and darlington transistors; and the input end of the D trigger is connected with the singlechip through signals, and the output end of the D trigger is connected with each relay of the relay module through a Darlington transistor.

8. The universal multi-way relay system according to claim 1, further comprising an ethernet module, wherein the ethernet module is in signal connection with the single-chip microcomputer and is used for interfacing with an external ethernet port to realize connection between the system and an upper computer.

9. The universal multiple relay system of claim 1, further comprising a power module in power connection with the single chip microcomputer, the relay module, the control module, the relay status monitoring module, and the input-output module, respectively, for providing power input to each module within the system.

10. The universal multi-way relay control system of claim 1, further comprising an indicator light coupled to the relay status monitoring module for indicating when the relay status monitoring module detects a malfunction of the relay module.