CN217587514U

CN217587514U - Intelligent micro-breaking automatic testing device

Info

Publication number: CN217587514U
Application number: CN202121331105.7U
Authority: CN
Inventors: 吴亚迪; 曾俊; 华龙元; 耿真磊; 宋骥; 张丹丹; 宁赛赛; 赵祖光; 刘统; 刘志森; 周志娴; 范成辉; 仲炜康
Original assignee: Jiangsu Sankoujing Information Technology Co ltd
Current assignee: Jiangsu Sankoujing Information Technology Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-10-14
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses an automatic testing arrangement that intelligence is disconnected a little belongs to electric distribution terminal protection technical field, include: the test PCB fixing platform comprises a fixed bottom shell and a test PCB fixing platform arranged at the top of the fixed bottom shell, wherein a device PCB is arranged inside the fixed bottom shell, a plurality of connecting wires are arranged on the device PCB, and a plurality of ejector pins which are inserted into the fixed bottom shell and correspond to the connecting wires one by one are arranged at the bottom of the test PCB fixing platform. The utility model can simultaneously switch the program of automatically downloading the micro-break and the gateway by the 4 jointed boards in the production of the intelligent micro-break and the matched gateway unit, thereby greatly saving the production time and the labor cost; this device can automated inspection in the production intelligence slightly break and gateway unit's PCB circuit board function whether normal, and whether each can of still assembling the test wiring board after intelligence slightly break and intelligent gateway PCB circuit board welding accomplish the download procedure in the production is normal, save time and human cost.

Description

Intelligent micro-breaking automatic testing device

Technical Field

The utility model relates to an automatic testing arrangement that intelligence was disconnected a little belongs to electric distribution terminal protection technical field.

Background

The MCB is the most commonly used electric power distribution terminal protection device for building terminals in residential life, industrial application and the like, and the traditional MCB comprises 1P, 2P, 3P, 4P and the like and is used for power protection and the like of single-phase electricity and three-phase electricity short circuit, overload, overvoltage and the like. The traditional miniature circuit breaker mainly comprises mechanical structures such as various operating mechanisms, double-gold contacts, tripping protection devices and arc extinguishing devices, and has simple and practical structure and complex operation. On the mechanical structure basis based on traditional miniature circuit breaker, increase intelligent control detection part for intelligent miniature circuit breaker IMCB, realize operations such as real time monitoring, remote control to traditional circuit breaker, simplify people to the loaded down with trivial details manually operation of traditional circuit breaker, make things convenient for people to know the detection of life power consumption.

Because the development of novel miniature internet circuit breaker of intelligence is late, do not have the device to the multi-functional test of novel miniature circuit breaker of intelligence at present, to novel equipment such as novel internet circuit breaker and electrical unit, gateway unit, there is following weak point in the production at present: (1) the automatic downloading of the micro-breaking and gateway programs is impossible; (2) The novel micro-breaking and gateway unit cannot be automatically detected, and whether the power supply of the power supply unit is normal or not can be detected; (3) The method can not automatically detect whether the novel micro-broken motor acts normally or not; (4) The method comprises the following steps of automatically detecting whether the storage and RTC timing of the novel micro-interrupt are normal or not without sending; (5) The storage and timing functions of the novel gateway unit cannot be automatically detected to be normal; (6) The communication function of the novel gateway unit cannot be automatically detected to be normal;

therefore, aiming at the production and monitoring of the novel micro-breaker, the gateway unit and the power supply unit thereof, an automatic detection device needs to be designed for the production and monitoring thereof, so that the labor and time cost input in the production detection can be saved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective is in order to solve prior art not enough, and provides the automatic testing arrangement that disconnected a little of intelligence.

The purpose of the utility model can be achieved by adopting the following technical scheme:

an intelligent micro-breaking automated testing device, comprising: the fixed drain pan and install the test PCB fixed station at fixed drain pan top, the internally mounted of fixed drain pan has device PCB circuit board, be equipped with a plurality of connecting wires on the device PCB circuit board, the bottom of test PCB fixed station is equipped with a plurality of insertions fixed drain pan inside with the thimble of connecting wire one-to-one, install the test PCB on the test PCB fixed station, the top of test PCB promotes the handle from top to bottom, the both sides that promote the handle from top to bottom are equipped with the support column, one side of fixed drain pan is equipped with USB from top to bottom in proper order and changes serial interface, first USB interface and JLINK interface, the opposite side of fixed drain pan is equipped with power source.

Preferably, the PCB circuit board of the device comprises a power supply module, an indicator light module, an MCU chip control module, a JLINK/USB download switching circuit module, a test motor control module, a serial interface module, a DC power supply interface module and an ADC signal acquisition module for testing the PCB circuit board.

Preferably, the thimble is in contact with the test PCB test point on the fixed table.

Preferably, set screw, second USB interface, electrical unit detection interface, equipment power indicator, equipment supply test PCB power consumption interface, device switch, DC power supply interface, 4 way relay ADC signal acquisition module, 4 way serial communication switch module, test PCB circuit board pilot lamp, JLINK download interface, 4 way JLINK/USB download switch module and USB change serial interface are installed clockwise in proper order to test PCB's edge, 4 way serial communication switch module with be equipped with MCU control module between the electrical unit detection interface, MCU control module's keeping away from one side of MCU control module is equipped with the pilot lamp, MCU control module's below is equipped with device procedure and downloads short interface.

Preferably, the connector on the PCB is connected with the thimble in a welding manner, and the power interface is connected with an external power supply.

Preferably, the JLINK download interface is a test intelligent micro-break PCB circuit board program download connector, the first USB interface is a PCB board communication connector arranged in the computer and the bottom case, and the second USB interface is a test gateway PCB circuit board program download interface, which is a standard USB interface without horizontal signal conversion.

Preferably, the power module provides power for the device PCB, and the indicator light module turns on the indicator light for the device and tests the status and result indicator light for the PCB.

Preferably, the MCU chip control module is a main control module, the JLINK/USB download switching circuit is a multi-relay switching module, the motor control module controls the motor to rotate for the MCU, and the DC power supply interface is a 12V power supply interface.

Preferably, the JLINK downloads the interface first USB interface with the one end of second USB interface is connected with the host computer respectively through the wire, JLINK downloads the interface with first USB interface connection has analog switch, the second USB interface passes through MCU control module with analog switch connects.

Preferably, MCU control module connect respectively with 4 way serial ports communication switch module 4 way JLINK USB download switch module with 4 way relay ADC signal acquisition module connects, 4 way serial ports communication switch module with 4 way relay ADC signal acquisition module all with test PCB circuit board is connected, analog switch with MCU control module passes through 4 way JLINK USB download switch module with test PCB circuit board is connected.

The utility model has the advantages of that: according to the intelligent micro-breaking automatic testing device, the device can simultaneously switch the programs of automatically downloading the micro-breaking and the gateway during the production of the intelligent micro-breaking and the matched gateway unit, thereby greatly saving the production time and the labor cost; the device can automatically detect whether the functions of the intelligent micro-break and the PCB of the gateway unit in production are normal or not, and whether all the common functions of the test circuit board are normal or not can be assembled after the intelligent micro-break and the intelligent gateway PCB are welded to complete a downloading program in production, so that the time and the labor cost are saved; the device is simple to operate and high in detection efficiency.

Drawings

Fig. 1 is an exploded view of the overall structure of a preferred embodiment of an intelligent micro-breaking automatic testing device according to the present invention;

fig. 2 is a PCB circuit board of a preferred embodiment of the intelligent micro-breaking automatic testing device according to the present invention;

fig. 3 is an overall structure functional diagram of a preferred embodiment of the intelligent micro-breaking automatic testing device according to the present invention.

In the figure: 1-USB to serial interface, 2-first USB interface, 3-JLINK interface, 4-device PCB circuit board, 5-connecting wire, 6-power interface, 7-thimble, 8-test PCB fixed station, 9-test PCB, 10-push handle up and down, 2-1-set screw, 2-2-second USB interface, 2-3-power unit detection interface, 2-4-equipment power indicator, 2-5-equipment power interface for testing PCB, 2-6-device switch, 2-7-DC power supply interface, 2-8-4 relay ADC signal acquisition module, 2-9-4 serial communication switching module, 2-10-test PCB circuit board indicator, 2-11-JLINK download interface, 2-12-4 JLINK/USB download switching module, 2-13-USB to interface, 2-14-MCU control module, 2-15-indicator, 2-16-device program short interface.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1 to fig. 3, the automatic testing apparatus for intelligent micro-breaking provided in this embodiment includes: fixed drain pan and install the test PCB fixed station 8 at fixed drain pan top, the internally mounted of fixed drain pan has device PCB circuit board 4, be equipped with a plurality of connecting wires 5 on the device PCB circuit board 4, the bottom of test PCB fixed station 8 is equipped with a plurality of thimbles 7 that insert fixed drain pan inside and 5 one-to-one of connecting wire, install test PCB9 on the test PCB fixed station 8, the top of test PCB9 is equipped with upper and lower push handle 10, the both sides that push handle 10 from top to bottom are equipped with the support column, one side of fixed drain pan is equipped with USB from top to bottom in proper order and changes serial interface 1, first USB interface 2 and JLINK interface 3, the opposite side of fixed drain pan is equipped with power source 6. The utility model provides an automatic testing arrangement that intelligence was disconnected a little, includes fixed drain pan, test PCB circuit board fixed station, handle, thimble, connector lug, device PCB circuit board, external power supply changeover plug, external JLINK download connector, external USB connect 2. The fixed bottom shell is internally and fixedly provided with a PCB; the test PCB fixing table is used for fixing a PCB to be tested; the handle is used for pushing the top up and down to fix and replace the test PCB; the thimble is a contact point with a test point of the PCB on the fixed table; the connector lug is connected with a PCB (printed Circuit Board) in the fixed bottom shell, and the other side of the connector lug is welded on the thimble, so that signal connection between the PCB in the fixed bottom shell and the PCB to be tested on the test fixing table is realized; the PCB is designed to realize automatic multifunctional test; the external power supply is a power supply plug for a PCB (printed circuit board) of the device; the external JLINK download connector is used for testing an intelligent micro-breaking PCB program download connector; the first USB interface 2 is a communication joint between a computer and a PCB arranged in the bottom shell, the joint can be converted into a TTL universal serial port on a PCB arranged in the device through a USB and is communicated with an MCU on the PCB arranged in the device, the second USB interface 2-2 is a program downloading interface of the PCB arranged in the test gateway, and the joint has no horizontal signal conversion and is a standard USB interface. Product detection in traditional production needs people one to go to detect, and the device operation only need connect the computer and the JLINK of device download the head, and two USB connect, the power supply plug puts into the test fixed station 4 makeup PCBs, and fixed handle pushes down, and host computer key downloads, automatic download procedure and detection function to each item testing result of every board of notice display. The cost is reduced, and the production detection efficiency is improved.

In this embodiment, as shown in fig. 1 and fig. 2, the PCB 4 includes a power module, an indicator light module, an MCU chip control module, a JLINK/USB download switching circuit module, a test motor control module, a serial interface module, a DC power interface module, and an ADC signal acquisition module for testing the PCB. The thimble 7 is contacted with the test point of the test PCB9 on the fixed table. The edge of a test PCB9 is clockwise sequentially provided with a fixing screw 2-1, a second USB interface 2-2, a power supply unit detection interface 2-3, an equipment power indicator lamp 2-4, an equipment power supply for testing the PCB 2-5, a device switch 2-6, a DC power supply interface 2-7, a 4-way relay ADC signal acquisition module 2-8, a 4-way serial port communication switching module 2-9, a test PCB circuit board indicator lamp 2-10, a JLINK download interface 2-11, a 4-way JLINK/USB download switching module 2-12 and a USB to serial port interface 2-13, an MCU control module 2-14 is arranged between the 4-way serial port communication switching module 2-9 and the power supply unit detection interface 2-3, an indicator lamp 2-15 is arranged on one side of the MCU control module 2-14 far away from the MCU control module 2-14, and a device program download short interface 2-16 is arranged below the MCU control module 2-14. The device PCB circuit board comprises a power supply module, an indicator light module, an MCU chip control module, a JLINK/USB download switching circuit module, a test motor control module, a serial interface module, a DC power supply interface module and an ADC signal acquisition module for testing the PCB circuit board. The power supply module provides power for a PCB (printed circuit board) of the device, the power supply is divided into two stages of conversion modules, the first stage supplies power for a 12V power supply of a DC power interface, 5V power is supplied for the USB interface module to work through DC-DC conversion, and the voltage after the second stage of DC-DC conversion is supplied for the MCU chip, the indicator lamp module and the JILINK download interface module to work through a 3.3V power supply converted by LDO (low dropout regulator); the indicating lamp module is a device starting indicating lamp and a test PCB circuit board state and result indicating lamp; the MCU chip control module is a main control module and controls switching of a test interface, test items and the like, and signal communication between the MCU chip control module and the test tooling board is realized; the JLINK/USB download switching circuit is a multi-relay switching module, switching test of the PCB circuit boards is realized through the MCU chip control module, and at most 4 test PCB circuit board switching tests can be realized through design; the motor control module controls the motor to rotate for the MCU, and tests whether the Hall components on the intelligent micro-breaking PCB are normal; the serial port interface module is divided into a computer serial port communication module and a test PCB circuit board serial port communication module; the DC power supply interface is a 12V power supply interface, and an external universal 220V-to-12V power supply is adopted; the test circuit board ADC signal acquisition module controls relay switching for the MCU, and ADC signal acquisition is realized through resistance voltage division matching. The device can simultaneously switch the programs of automatically downloading the micro-breaking and the gateway by the 4 jointed boards in the production of the intelligent micro-breaking and the matched gateway unit, thereby greatly saving the production time and the labor cost; the device can automatically detect whether the intelligent micro-break and the PCB function of the gateway unit are normal in production, and whether each common function of the test circuit board is normal after the intelligent micro-break and the intelligent gateway PCB circuit board are welded to complete a downloading program in production, so that the time and the labor cost are saved, the device can realize the 4-makeup alternate switching test function, and the production time and the labor cost are greatly saved; the device is simple to operate and high in detection efficiency.

In this embodiment, as shown in fig. 1 and fig. 3, the connector on the PCB 4 of the device is connected to the thimble 7 by welding, and the power interface 6 is connected to an external power source. The JLINK download interface 2-11 is a test intelligent micro-break PCB program download connector, 2 external USB connectors, one of which is a communication connector for a computer and a PCB arranged in the bottom shell, and the other is a test gateway PCB program download interface, and the connector has no horizontal signal conversion and is a standard USB interface. The power module provides power for the device PCB 4, and the indicator light module turns on the indicator light for the device and tests the status and result indicator light of the PCB. The MCU chip control module is a main control module, the JLINK/USB download switching circuit is a multi-relay switching module, the motor control module controls the motor to rotate for the MCU, and the DC power supply interface is a 12V power supply interface. One end of the JLINK download interface 2-11, one end of the first USB interface 2 and one end of the second USB interface 2-2 are respectively connected with an upper computer through leads, the JLINK download interface 2-11 and the first USB interface 2 are connected with an analog switch, and the second USB interface 2-2 is connected with the analog switch through the MCU control module 2-14. The MCU control modules 2-14 are respectively connected with the 4-path serial port communication switching modules 2-9, the 4-path JLINK/USB download switching modules 2-12 and the 4-path relay ADC signal acquisition modules 2-8, the 4-path serial port communication switching modules 2-9 and the 4-path relay ADC signal acquisition modules 2-8 are both connected with the test PCB, and the analog switch and the MCU control modules 2-14 are connected with the test PCB through the 4-path JLINK/USB download switching modules 2-12.

As shown in fig. 1 to 3, the working principle of the intelligent micro-break automatic testing device is as follows:

step 1: the system starts to work after power is supplied, and the computer upper computer communicates with the MCU chip through the USB to serial port to realize transmission and issuing of one-key control command signals of the upper computer;

step 2: the MCU chip of the device is communicated with an intelligent micro-break on the test board or an UART serial port of an MCU/CPU chip module of the gateway unit by controlling the 4-path relay, so that the command is issued;

and 3, step 3: the test result is also sent to the device MCU chip through the serial port, and the device MCU chip sends the detection result to the upper computer.

In summary, in this embodiment, according to the automatic testing apparatus for intelligent micro-disconnection of this embodiment, the automatic testing apparatus for intelligent micro-disconnection provided in this embodiment starts to operate after the system is powered on, the computer upper computer communicates with the apparatus MCU chip through the USB to serial port to realize transmission and issue of a one-key control command signal of the upper computer, the apparatus MCU chip communicates with the intelligent micro-disconnection on the test board or the UART serial port of the MCU/CPU chip module of the gateway unit through the control 4-way relay to realize issue of a command, and meanwhile, a test result is also sent to the apparatus MCU chip through the serial port, and the apparatus MCU chip sends a detection result to the upper computer. JLINK and USB program downloading respectively correspond to the intelligent micro-break MCU and the gateway unit CPU, the device MCU can control the switching analog switch to switch program downloading interfaces of different types, and the program downloading is controlled by the MCU to switch and download by 4 paths of relays. ADC signal collection is also switched and collected through 4 paths of relays controlled by the MCU.

The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.

Claims

1. The utility model provides an automatic testing arrangement that intelligence was disconnected a little, its characterized in that includes: fixed drain pan and install test PCB fixed station (8) at fixed drain pan top, the internally mounted of fixed drain pan has device PCB circuit board (4), be equipped with a plurality of connecting wires (5) on device PCB circuit board (4), the bottom of test PCB fixed station (8) is equipped with a plurality of insertions fixed drain pan inside with thimble (7) of connecting wire (5) one-to-one, install test PCB (9) on test PCB fixed station (8), the top of test PCB (9) is equipped with from top to bottom and promotes handle (10), the both sides that promote handle (10) from top to bottom are equipped with the support column, one side of fixed drain pan is equipped with USB from top to bottom in proper order and changes serial interface (1), first USB interface (2) and JLINK interface (3), the opposite side of fixed drain pan is equipped with power source (6).

2. The intelligent micro-breaking automatic testing device according to claim 1, wherein the device PCB circuit board (4) comprises a power supply module, an indicator light module, an MCU chip control module, a JLINK/USB download switching circuit module, a testing motor control module, a serial port interface module, a DC power supply interface module, and an ADC signal acquisition module for testing the PCB circuit board.

3. The automatic intelligent micro-breaking testing device as claimed in claim 2, wherein the thimble (7) is in contact with the testing point of the testing PCB (9) on the fixed table.

4. The automatic testing device for the intelligent micro-breaking according to claim 1, wherein a fixing screw (2-1), a second USB interface (2-2), a power unit detection interface (2-3), a device power indicator (2-4), a device power utilization interface (2-5), a device switch (2-6), a DC power supply interface (2-7), a 4-way relay ADC signal acquisition module (2-8), a 4-way serial port communication switching module (2-9), a test PCB circuit board indicator (2-10), a JLINK download interface (2-11), a 4-way JLINK/USB download switching module (2-12) and a USB-to-serial port interface (1) are sequentially installed on the edge of the test PCB (9) clockwise, an MCU control module (2-14) is installed between the 4-way serial port communication switching module (2-9) and the power unit detection interface (2-3), an indicator (2-15) is installed on one side, away from the MCU control module (2-14), and a short program downloading device (2-14) is installed below the MCU control module (2-14).

5. The automatic intelligent micro-breaking testing device according to claim 1, wherein a connector on the PCB (4) is connected with the thimble (7) in a welding manner, and the power interface (6) is connected with an external power supply.

6. The automatic testing device of claim 4, wherein the JLINK download interface (2-11) is a PCB program download interface for testing intelligent micro-breaking, the first USB interface (2) is a PCB program communication interface for computer and chassis, and the second USB interface (2-2) is a PCB program download interface for testing gateway without horizontal signal conversion and is a standard USB interface.

7. The intelligent micro-breaking automatic testing device according to claim 2, wherein the power module supplies power to the device PCB circuit board (4), and the indicator light module is a device turn-on indicator light and a test PCB circuit board status and result indicator light.

8. The automatic testing device of claim 2, wherein the MCU chip control module is a main control module, the JLINK/USB download switching circuit is a multi-relay switching module, the motor control module is an MCU control motor, and the DC power interface is a 12V power supply interface.

9. The automatic testing device of claim 4, wherein one end of the JLINK download interface (2-11), one end of the first USB interface (2) and one end of the second USB interface (2-2) are respectively connected with an upper computer through wires, the JLINK download interface (2-11) and the first USB interface (2) are connected with an analog switch, and the second USB interface (2-2) is connected with the analog switch through the MCU control module (2-14).

10. The automatic testing device of claim 9, wherein the MCU control module (2-14) is connected to the 4 serial port communication switching modules (2-9), the 4 JLINK/USB download switching modules (2-12) and the 4 relay ADC signal acquisition modules (2-8), the 4 serial port communication switching modules (2-9) and the 4 relay ADC signal acquisition modules (2-8) are connected to the testing PCB, and the analog switch and the MCU control module (2-14) are connected to the testing PCB through the 4 JLINK/USB download switching modules (2-12).