CN210864375U

CN210864375U - Power on-off control equipment for laboratory

Info

Publication number: CN210864375U
Application number: CN201922116600.5U
Authority: CN
Inventors: 龚海霞; 王泽荣; 刘锦辉; 唐辉; 胡剑峰; 罗超; 赵金鹏; 张永轩; 邹峰; 吕文发
Original assignee: 716th Research Institute of CSIC
Current assignee: 716th Research Institute of CSIC
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-06-26
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a power-on and power-off control device for laboratory, which comprises a color touch screen for sending a setting instruction, an MCU unit for receiving the instruction and sending a control signal to a relay unit, a relay unit for receiving the control signal and completing power-on and power-off switching, and an AC/DC unit for converting commercial power into 3.3V and 12V direct-current voltages and respectively connecting the AC/DC unit and the color touch screen; the equipment connects the three-hole socket with the tested electronic equipment, and can set the power-on and power-off time through the touch screen, so as to complete the power-on and power-off stress test of the tested equipment; all instruction settings are accomplished through colored touch-sensitive screen, and it is clear pleasing to the eye to control the interface, can show experimental number of times and operating time, and break-make time control range is wide, and the function is diversified, brings very big facility for laboratory debugging personnel.

Description

Power on-off control equipment for laboratory

Technical Field

The invention belongs to the field of power-on and power-off control equipment, and particularly relates to power-on and power-off control equipment for a laboratory.

Background

The power-on and power-off times which can be endured by an electronic product is an important investigation index, 220V power-on and power-off stress test is carried out on the electronic product frequently in a laboratory when the electronic product is debugged, the test times can reach thousands or tens of thousands of times, the manual operation is certain to be unrealistic, and the test is generally realized by means of automatic power-on and power-off equipment.

At present, most of power on and power off equipment sets a power on and power off program through a mechanical key, an operation interface is not attractive enough, parameters such as test times and the like are not recorded and displayed generally in a test process, and the function is single.

Disclosure of Invention

The invention aims to provide power-on and power-off control equipment for a laboratory so as to realize power-on and power-off stress test on tested equipment.

The technical solution for realizing the purpose of the invention is as follows:

the utility model provides a laboratory is with switching on and shutting down control equipment, includes the colored touch-sensitive screen that is used for sending the setting instruction, is used for receiving the instruction and sends control signal for the MCU unit of relay unit, is used for receiving control signal and accomplishes the relay unit of switching on and shutting down, is used for changing the commercial power into 3.3V and 12V direct current voltage and is connected to the AC/DC unit of MCU unit and colored touch-sensitive screen respectively.

Compared with the prior art, the invention has the following remarkable advantages:

the utility model discloses a laboratory is with break-make electrical control equipment is connected three hole sockets with the electronic equipment of being tested, can set up break-make electricity time through the touch-sensitive screen, and then accomplish the break-make electricity stress test to equipment under test. All instruction settings are accomplished through colored touch-sensitive screen, and it is clear pleasing to the eye to control the interface, can show experimental number of times and operating time, and break-make time control range is wide, and the function is diversified, brings very big facility for laboratory debugging personnel.

Drawings

Fig. 1 is a block diagram of the present invention.

Fig. 2 is a schematic diagram of the circuit connection of the present invention.

1. MCU unit, 2, AC/DC unit, 3, color touch screen unit, 4, relay unit

Detailed Description

The invention is further described with reference to the following figures and embodiments.

The invention discloses power on and power off control equipment for a laboratory, which comprises an AC/DC unit 1, an MCU unit 2, a color touch screen 3 and a relay unit 4.

The AC/DC unit is used for converting mains supply into 3.3V and 12V, wherein the 3.3V direct current voltage is connected to the MCU unit and the color touch screen, and the 12V voltage is connected to the relay unit; the color touch screen is connected with the MCU through a serial port; the MCU unit is used for generating a control signal according to a set parameter after receiving a setting instruction sent by the color touch screen and sending the control signal to the relay unit; and the relay unit is used for completing power on-off switching work after receiving the control signal.

The AC/DC unit consists of a standard 220V three-jaw plug, a power module HLK-PM03 and a power module HLK-5M12, wherein the power module HLK-PM03 is provided with 4 pins, pins AC1 and AC2 are respectively connected with a pin L, N of the 220V plug, a pin VO + is simultaneously connected with a pin 131 of the singlechip and pins 1-3 of the color touch screen, and the pin VO-is simultaneously connected with a pin 130 of the singlechip and pins 8-10 of the color touch screen; the power module HLK-5M12 has 4 pins, wherein the pins AC1 and AC2 are respectively connected to pin L, N of the 220V plug, pin VO + is connected to pin 13 of the relay, and pin VO-is connected to pin VO-of the power module HLK-PM03 in common.

An ARM single chip microcomputer in the MCU unit selects STM32F103ZET6, the single chip microcomputer is provided with 144 pins, wherein the

pins

23 and 24 are connected with an 8MHz crystal oscillator, the crystal oscillator is grounded through two ceramic chip capacitors C1 and C2 of 20PF, and the single chip microcomputer is used for receiving an instruction generated by a touch screen and generating a power-on and power-off control signal.

The model of the color touch screen is DMT80480C070_02WT, the touch screen is provided with 10 pins, wherein

pins

5, 6 and 7 are respectively connected with

pins

101, 102 and 104 of a singlechip, 9 touch selection frames are arranged on the touch screen and respectively comprise page turning, increment, decrement, counting, zero clearing, selection, starting, stopping and pause, and required power on and off instructions can be sent to the singlechip through a serial port of the touch screen through the touch selection frames to complete power on and off instruction setting.

The relay unit consists of a relay RXM2AB2JD, a triode S9013, a 4.7K resistor R1, a diode 1N4007 and a three-hole socket, wherein the relay RXM2AB2JD is provided with 14 pins, the pin 13 is connected with a pin VO + of a power module HLK-5M12, the pin 14 is connected with a pin 1 of the triode S9013, the

pins

9 and 12 are respectively connected with a pin L, N of a 220V plug, the

pins

5 and 8 are respectively connected with a pin L, N of the three-hole socket, the relay is an action mechanism for controlling power on and off, and the three-hole socket is used for being externally connected with tested electronic equipment; the diode 1N4007 has 2 pins, wherein the pin 1 is connected with the pin 1 of the triode S9013, and the pin 2 is connected with the pin 13 of the relay RXM2AB2 JD; the triode S9013 is provided with 3 pins, wherein the pin 3 is grounded, and the pin 2 is connected with the pin 2 of the resistor R1; pin 1 of the resistor R1 is connected with pin 47 of the single chip microcomputer; pin E of the socket plugs pin E of the plug.

During the use, link to each other 220V plug and commercial power, be connected three hole sockets with the electronic equipment under test, can set up the break-make electricity time through 9 touch select frames on the touch-sensitive screen, and then accomplish the break-make electricity stress test to equipment under test.

Claims

1. The utility model provides a laboratory is with switching on and shutting down control equipment which characterized in that, includes the colored touch-sensitive screen that is used for sending the setting instruction, is used for receiving the instruction and sends control signal for the MCU unit of relay unit, is used for receiving control signal and accomplishes the relay unit that switches on and off the power supply, is used for changing the commercial power into 3.3V and 12V direct current voltage and is connected to the AC/DC unit of MCU unit and colored touch-sensitive screen respectively.

2. The laboratory power on/off control apparatus of claim 1, wherein the AC/DC unit comprises a three-prong plug, a power module HLK-PM03, and a power module HLK-5M 12;

the power module HLK-PM03 has 4 pins, wherein the pins AC1 and AC2 are respectively connected with a pin L, N of a 220V plug, a pin VO + is simultaneously connected with a pin 131 of the singlechip and pins 1-3 of the color touch screen, and the pin VO-is simultaneously connected with a pin 130 of the singlechip and pins 8-10 of the color touch screen; the power module HLK-5M12 has 4 pins, wherein the pins AC1 and AC2 are connected to the pin L, N of the three-prong plug, the pin VO + is connected to the pin 13 of the relay, and the pin VO-is connected to the VO-of the power module HLK-PM 03.

3. The laboratory power-on and power-off control device according to claim 1, wherein the ARM single chip microcomputer in the MCU unit has 144 pins, wherein the pins 23 and 24 are connected to the crystal oscillator, and the crystal oscillator is grounded through two ceramic chip capacitors C1 and C2.

4. The laboratory power on/off control apparatus of claim 1, wherein the touch screen has 10 pins, wherein pins 5, 6, 7 are connected to pins 101, 102, 104 of the chip microcomputer, respectively.

5. The laboratory power on/off control apparatus of claim 1 wherein the relay unit comprises a relay, a transistor, a resistor R1, a diode, and a three-hole socket;

the relay is provided with 14 pins, wherein the pin 13 is connected with a pin VO + of a power module HLK-5M12, the pin 14 is connected with a pin 1 of a triode, the pins 9 and 12 are respectively connected with a pin L, N of a three-jaw plug, and the pins 5 and 8 are respectively connected with a pin L, N of a three-hole socket; the diode has 2 pins, wherein pin 1 is connected with pin 1 of the triode, and pin 2 is connected with pin 13 of the relay; the triode has 3 pins, wherein pin 3 is grounded, and pin 2 is connected with pin 2 of the resistor R1; pin 1 of the resistor R1 is connected with pin 47 of the single chip microcomputer; pin E of the socket is connected with pin E of the three-jaw plug.

6. The laboratory power on and off control device as defined in claim 1, wherein an ARM single chip microcomputer model in the MCU unit is STM32F103ZET 6.

7. The laboratory power on/off control apparatus of claim 1 wherein said color touch screen is DMT80480C070_02 WT.