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Intelligent push-button switch and switch group thereof

A switch group, button technology, applied in program control, instrument, computer control, etc., can solve the problems of installation difficulty and failure probability, unchangeable button switch function, inconvenient installation, etc., to achieve easy system control, easy installation and automation. Control, easy-to-connect effects

Pending Publication Date: 2017-06-13
UNIV FOR SCI & TECH ZHENGZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Today, with the rapid development of science and technology, many automatic control occasions need to be controlled by computers and PLCs. Each switch of the traditional button switch needs to occupy an IO port, and it cannot be directly connected to a PC, and an interface card needs to be added.
As the number of switches increases, the number of wires increases, increasing installation difficulty and probability of failure
In addition, the traditional button switch has no display function and needs to add a label to indicate the function, which brings inconvenience to the installation. The function of the button switch cannot be changed during use.

Method used

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  • Intelligent push-button switch and switch group thereof
  • Intelligent push-button switch and switch group thereof
  • Intelligent push-button switch and switch group thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1: a kind of intelligent button switch, see figure 1 , figure 2 , including a switch housing 8 and a plastic nut 7, the threaded cylinder at the bottom of the switch housing 8 is inserted into the place to be installed and fixed by the plastic nut 7.

[0030] The upper surface of housing 8 is embedded with button cap 1, is provided with control panel 2 in housing 8, is provided with the micro switch 3 that is connected with button cap 1 correspondingly on control panel 2, on the control panel 2 The lower part is provided with a bus interface A and a bus interface B. Both bus interface A and bus interface B include two sets of input and output differential signals and 4 power supply pins. The corresponding pins of one bus interface can be connected to an external 24V power supply, and the other bus interface can be connected to an external main controller through an RJ45 connector. The serial port is directly connected. The button cap 1 is made of transpar...

Embodiment 2

[0032] Embodiment 2: A switch group consisting of the smart button switches in Embodiment 1, including the number of the smart button switches not exceeding 60, between two adjacent smart button switches, a bus interface of a smart button switch B is correspondingly connected to the bus interface A of another adjacent smart button switch, see image 3 ; All smart button switches are connected in turn to form a switch group. The RJ45 connector pin definition of the smart button switch is as follows Figure 4 As shown, it includes input and output two sets of differential signals and 4 power supply pins, each with a total of 8 wires. When using online, the B port and A port of the adjacent smart button switch are directly connected in parallel, and the differential input and output signals of the B port are respectively connected with the differential output and input signals of the A port. For specific use, it only needs to be inserted through an 8-core twisted pair with RJ45...

Embodiment approach

[0034] The input and output of ASCII and GB2312 coded character information through the bus interface A and B on the switch, for example: when the button cap is pressed, the bus interface A and B can output the string "KEY_ADDR_ON" to the main controller at the same time, and display on the LCD display on the screen; when the button switch is popped up, the bus interface A and B can output the character string "KEY_ ADDR _OFF" to the main controller at the same time, and display it on the LCD screen; if the information is input through the controller, the bus interface A or B receives the information input by the main controller, such as the string "KEY_ ADDR _DIS_ ON", and the Chinese character "ON" will be displayed on the LCD screen of the button switch, which can be used to indicate or change the function of the button.

[0035] In the online use mode, controlled by the control software on the external main controller, the smart button switch can realize the following funct...

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Abstract

The invention discloses an intelligent push-button switch. The switch comprises a shell, a control board is installed in the shell, and the upper part of the shell is provided with an embedded push-button cap; micro switches connected with the push-button cap correspondingly are arranged on the control board, and the lower portion of the control board is provided with bus interfaces A and B used for connection between every two intelligent push-button switches or connection between the intelligent push-button switch and an external main controller; the push-button cap is made of transparent materials, and the push-bottom cap is internally provided with a minitype LCD screen. According to the intelligent push-button switch, the bus interfaces are directly connected with RS232 interfaces of the external controller so as to output switch information, the switches can be connected together in parallel to achieve bus power supply and bus control, and the LCD screen on each switch can display the state of the switch and information input by the external controller in real time. The intelligent push-button switch is convenient to install and connect, system control is convenient to achieve, the automation degree is higher, and the switch is suitable for use in occasions where a large quantity of switches are needed and space is limited.

Description

technical field [0001] The invention relates to the technical field of switch equipment, in particular to an intelligent button switch and a switch group thereof. Background technique [0002] The traditional button switch is a purely mechanical switch, with only one or several mechanical contacts in the structure, and the switch signal is output by turning on and off the current, and the interface is a terminal block. Today, with the rapid development of science and technology, many automatic control occasions need to be controlled by computers and PLCs. Each switch of the traditional button switch needs to occupy an IO port, and it cannot be directly connected to a PC, and an interface card needs to be added. As the number of switches increases, the number of wires will increase, and the difficulty of installation and probability of failure will increase. In addition, the traditional button switch has no display function and needs to add a label to indicate the function, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257
Inventor 张莉郑喜贵邬宝寅刘军朱永刚吕刚磊
Owner UNIV FOR SCI & TECH ZHENGZHOU
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