CN103337403B - Three-position switch adopting touch screen - Google Patents

Abstract

The invention discloses a three-position switch adopting a touch screen. A screw rod is driven by a motor; a rotation coding sensor for sensing the rotation condition of the screw rod is arranged on the screw rod, and is connected with an encoder controller; the encoder controller is connected with a programmable controller for controlling the rotation of the motor, and outputs a moving contact position signal to the programmable controller; the programmable controller further controls the motor to rotate forwards and backwards or stop according to the moving contact position signal, so as to further control the rotation state of the screw rod; the programmable controller adopts a touch screen structure; patterns of a button and a position indicator are arranged on the touch screen, so as to point the position of the three-position switch, and control the working state of the three-position switch. The three-position switch is reasonable in structure, convenient to operate, accurate in working position, and high in working performance.

Description

Adopt the three-station of touch-screen

Technical field

The present invention relates to a kind of three-station of gas-insulated switchgear.

Background technology

Existing gas-insulated switchgear, the switch control rule of its different station relies on and manually controls, and accuracy is undesirable, affects working effect.

Summary of the invention

The object of the present invention is to provide a kind of rational in infrastructure, the three-station of the employing touch-screen working accurate, easy to operate.

Technical solution of the present invention is:

Adopt a three-station for touch-screen, it is characterized in that: comprise the moving contact that screw mandrel drives, the left and right sides of moving contact is respectively earth terminal and isolation closing end; When moving contact is positioned at left side under the drive that screw mandrel rotates, engage with earth terminal, switch is in ground state; When moving contact is positioned at right side under the drive that screw mandrel rotates, engage with isolation closing end, switch is in isolation closure state; When moving contact is positioned at middle part under the drive that screw mandrel rotates, with earth terminal with isolate closing end and all do not engage, switch is in isolation open mode; Screw mandrel is driven by motor, screw mandrel arranges the code sensor of perception screw mandrel rotation situation, code sensor is connected with coding controller, coding controller is connected with the Programmable Logic Controller controlling electric machine rotation, coding controller exports moving contact position signalling to Programmable Logic Controller, controlled rotating and the stopping of motor by Programmable Logic Controller according to above-mentioned moving contact position signalling further, and then control the rotary state of screw mandrel; Programmable Logic Controller adopts touch screen structure, arranges the figure of button and position indicator on the touchscreen, and for indicating the position of three-station, carrying out operation control operating state.

The rotating of Controlled by Programmable Controller motor and the process of stopping are: time initial, screw mandrel is positioned at zero-bit, three-station is in earthing position, presses " isolation " button on Programmable Logic Controller touch-screen, and Programmable Logic Controller exports, earthing position indicator light is bright, Programmable Logic Controller contact output order, to electric machine controller, controls motor and rotates forward, and drives screw mandrel to rotate forward, code sensor rotates with screw mandrel, to the rotation number of turns n of setting ₁, namely arrive isolated location, coding controller " isolated location " closing of contact, Programmable Logic Controller sends motor and rotates forward halt instruction, motor stalls; Press " the ground connection button " on Programmable Logic Controller touch-screen, Programmable Logic Controller sends motor reversal instruction to electric machine controller, motor reversal, the reversion of drive screw mandrel, coding controller display numeral, its numerical value and rotation number of turns n ₁relevant, motor reversal setting n ₁circle, Programmable Logic Controller sends motor reversal halt instruction, and Programmable Logic Controller earthing position closing of contact earthing position indicator light is bright, and Programmable Logic Controller sends motor halt instruction, motor stalls; By " close push button " on Programmable Logic Controller touch-screen, isolated location indicator light is bright, and Programmable Logic Controller sends motor and rotates forward instruction, and motor rotates forward n ₂turn, coding controller display numeral, its numerical value and n ₁+ n ₂the number of turns associates, and rotation direction is for rotating forward, and Programmable Logic Controller sends motor and rotates forward halt instruction, and " closing " indicator light is bright, and instruction three-station is in the close position, and Programmable Logic Controller sends motor halt instruction, motor stalls.

The present invention is rational in infrastructure, easy to operate, and service position is accurate, favorable working performance; Adopt Programmable Logic Controller and touch-screen, more convenient operation is directly perceived, can grasp the operating state of switch in time, conveniently can adjust in time when needed.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the invention will be further described.

Fig. 1 is the structural representation of one embodiment of the invention.

Embodiment

Adopt a three-station for touch-screen, comprise the moving contact 2 that screw mandrel 1 drives, the left and right sides of moving contact is respectively earth terminal 3 and isolation closing end 4; When moving contact is positioned at left side under the drive that screw mandrel rotates, engage with earth terminal, switch is in ground state; When moving contact is positioned at right side under the drive that screw mandrel rotates, engage with isolation closing end, switch is in isolation closure state; When moving contact is positioned at middle part under the drive that screw mandrel rotates, with earth terminal with isolate closing end and all do not engage, switch is in isolation open mode; Screw mandrel is driven by motor, screw mandrel arranges the code sensor of perception screw mandrel rotation situation, code sensor is connected with coding controller, coding controller is connected with the Programmable Logic Controller controlling electric machine rotation, coding controller exports moving contact position signalling to Programmable Logic Controller, controlled rotating and the stopping of motor by Programmable Logic Controller according to above-mentioned moving contact position signalling further, and then control the rotary state of screw mandrel; Programmable Logic Controller adopts touch screen structure, arranges the figure of button and position indicator on the touchscreen, and for indicating the position of three-station, carrying out operation control operating state.

The rotating of Controlled by Programmable Controller motor and the process of stopping are: time initial, screw mandrel is positioned at zero-bit, three-station is in earthing position, presses " isolation " button on Programmable Logic Controller touch-screen, and Programmable Logic Controller exports, earthing position indicator light is bright, Programmable Logic Controller contact output order, to electric machine controller, controls motor and rotates forward, and drives screw mandrel to rotate forward, code sensor rotates with screw mandrel, to the rotation number of turns n of setting ₁, namely arrive isolated location, coding controller " isolated location " closing of contact, Programmable Logic Controller sends motor and rotates forward halt instruction, motor stalls; Press " the ground connection button " on Programmable Logic Controller touch-screen, Programmable Logic Controller sends motor reversal instruction to electric machine controller, motor reversal, the reversion of drive screw mandrel, coding controller display numeral, its numerical value and rotation number of turns n ₁relevant, motor reversal setting n ₁circle, Programmable Logic Controller sends motor reversal halt instruction, and Programmable Logic Controller earthing position closing of contact earthing position indicator light is bright, and Programmable Logic Controller sends motor halt instruction, motor stalls; By " close push button " on Programmable Logic Controller touch-screen, isolated location indicator light is bright, and Programmable Logic Controller sends motor and rotates forward instruction, and motor rotates forward n ₂turn, coding controller display numeral, its numerical value and n ₁+ n ₂the number of turns associates, and rotation direction is for rotating forward, and Programmable Logic Controller sends motor and rotates forward halt instruction, and " closing " indicator light is bright, and instruction three-station is in the close position, and Programmable Logic Controller sends motor halt instruction, motor stalls.

Claims (1)

1. adopt a three-station for touch-screen, it is characterized in that: comprise the moving contact that screw mandrel drives, the left and right sides of moving contact is respectively earth terminal and isolation closing end; When moving contact is positioned at left side under the drive that screw mandrel rotates, engage with earth terminal, switch is in ground state; When moving contact is positioned at right side under the drive that screw mandrel rotates, engage with isolation closing end, switch is in isolation closure state; When moving contact is positioned at middle part under the drive that screw mandrel rotates, with earth terminal with isolate closing end and all do not engage, switch is in isolation open mode; Screw mandrel is driven by motor, screw mandrel arranges the code sensor of perception screw mandrel rotation situation, code sensor is connected with coding controller, coding controller is connected with the Programmable Logic Controller controlling electric machine rotation, coding controller exports moving contact position signalling to Programmable Logic Controller, controlled rotating and the stopping of motor by Programmable Logic Controller according to above-mentioned moving contact position signalling further, and then control the rotary state of screw mandrel; Programmable Logic Controller adopts touch screen structure, arranges the figure of button and position indicator on the touchscreen, and for indicating the position of three-station, carrying out operation control operating state;

The rotating of Controlled by Programmable Controller motor and the process of stopping are: time initial, screw mandrel is positioned at zero-bit, three-station is in earthing position, presses " isolation " button on Programmable Logic Controller touch-screen, and Programmable Logic Controller exports, earthing position indicator light is bright, Programmable Logic Controller contact output order, to electric machine controller, controls motor and rotates forward, and drives screw mandrel to rotate forward, code sensor rotates with screw mandrel, to the rotation number of turns n of setting ₁, namely arrive isolated location, coding controller " isolated location " closing of contact, Programmable Logic Controller sends motor and rotates forward halt instruction, motor stalls; Press " the ground connection button " on Programmable Logic Controller touch-screen, Programmable Logic Controller sends motor reversal instruction to electric machine controller, motor reversal, the reversion of drive screw mandrel, coding controller display numeral, its numerical value and rotation number of turns n ₁relevant, motor reversal setting n ₁circle, Programmable Logic Controller sends motor reversal halt instruction, and Programmable Logic Controller earthing position closing of contact earthing position indicator light is bright, and Programmable Logic Controller sends motor halt instruction, motor stalls; By " close push button " on Programmable Logic Controller touch-screen, isolated location indicator light is bright, and Programmable Logic Controller sends motor and rotates forward instruction, and motor rotates forward n ₂turn, coding controller display numeral, its numerical value and n ₁+ n ₂the number of turns associates, and rotation direction is for rotating forward, and Programmable Logic Controller sends motor and rotates forward halt instruction, and " closing " indicator light is bright, and instruction three-station is in the close position, and Programmable Logic Controller sends motor halt instruction, motor stalls.