CN216411536U

CN216411536U - Automatic line detection system

Info

Publication number: CN216411536U
Application number: CN202121224123.5U
Authority: CN
Inventors: 周海; 李书生; 王贤刚; 麻国栋
Original assignee: Zhejiang Seakon Teaching Equipment Co ltd
Current assignee: Zhejiang Seakon Teaching Equipment Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-04-29
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses an automatic line detection system. Including singlechip, first relay, first adapter plate, socket, first wall terminal, first device, electric plate, second relay, second device and second wall terminal of wearing, the inside procedure of singlechip sets up detection switch and equipment power interlock, and equipment can not be gone up to the electricity during the detection, detects the correct back, can go up the electricity, the effectual equipment of having protected. The device is connected with the normally closed contact of the relay, the normally open contact of the electric appliance is closed after the electric appliance is electrified, and the normally closed contact is opened, so that the strong electricity on the device is isolated, and the strong electricity protection singlechip is realized. The automatic circuit detection system can automatically detect and judge whether the circuit wiring is correct or not, automatically detect wrong wiring and know the wiring condition more clearly. The power can be turned on after the detection is correct, the equipment is effectively protected, and the operation is simple.

Description

Automatic line detection system

Technical Field

The utility model relates to the field of electric experiment wiring teaching, in particular to an automatic line detection system.

Background

Along with the development of present vocational education, more and more pay attention to experimental teaching, wherein the electric class student needs a large amount of experiments wiring exercises. Meanwhile, in the face of a plurality of experimenters, the wiring condition is difficult to be checked by an experimenter, a large amount of time is needed, and equipment can be burnt due to the fact that the wiring condition is not checked carefully.

The existing self-detection wiring device system can basically judge the wiring correctness, but cannot determine which part of the wiring error is, and once the error needs to be checked by one block, the operation is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the wiring condition is difficult to check, a large amount of time is needed, equipment is burnt possibly due to careless checking, the wrong wiring part cannot be determined, once the wrong wiring part needs checking, the wiring is troublesome and the like. The power can be turned on after the detection is correct, the equipment is effectively protected, and the operation is simple.

The technical scheme of the utility model is that the automatic line detection system comprises a single chip microcomputer, a first relay, a first adapter plate, a socket, a first wall-through terminal, a first device and an electric plate; an IO port of the single chip microcomputer is connected with a normally open contact of a first relay, the first relay is connected with a socket, the socket is located on a first adapter plate, a lead wire from a first device passes through the first adapter plate to be connected with a normally closed contact NC1 on the first relay, a lead wire from a first wall penetrating terminal passes through the first adapter plate to be connected with a common contact COM1 on the first relay, and the first device and the first wall penetrating terminal are located on an electric board.

In order to further supplement the technical scheme, the automatic line detection system further comprises a second relay, a second device and a second wall-through terminal; the other IO port of the single chip microcomputer is connected with a normally open contact of the second relay, a lead wire from the second device is connected to an NC2 contact of the second relay through an A02 interface on the adapter plate, and a lead wire from the second wall penetrating terminal 2 is connected to a COM2 contact of the second relay through a B02 interface on the adapter plate.

In order to further supplement the technical scheme, the single chip microcomputer adopts an STM32F103ZET6 chip integrated with an ARM core and is used for detecting whether wiring is correct.

In order to further supplement the technical scheme, the principle structure of strong and weak current isolation is that the singlechip is connected with a normally open contact on the relay, a device is connected with a normally closed contact on the relay, and the normally open contact and the normally closed contact are in a mutual exclusion relation.

In order to further supplement the technical scheme, the detection switch is arranged in the internal program of the single chip microcomputer and is interlocked with the power supply of the equipment, the equipment cannot be powered on during detection, and the equipment can be powered on after error-free detection.

The circuit automatic detection system has the advantages that the circuit automatic detection system can automatically detect and judge whether the circuit wiring is correct or not, automatically detect wrong wiring and know the wiring condition more clearly. The power can be turned on after the detection is correct, the equipment is effectively protected, and the operation is simple.

Drawings

FIG. 1 is a schematic structural diagram of an automatic line inspection system;

fig. 2 is a schematic structural diagram of strong and weak electrical isolation.

In the figure, 1, a single chip microcomputer; 2. a first relay; 3. an adapter plate; 4. a socket; 5. detecting points; 6. a first through-wall terminal; 7. a first device; 8. an electric board; 9. a second device; 10. a second through-wall terminal; 11. a second relay; 12. a normally closed contact NC 1; 13. a common contact COM1 contact; 14. NC2 contact points; 15. COM2 contacts; 16. an A02 interface; 17. b02 interface.

Detailed Description

The utility model is described in detail with reference to the accompanying drawings, and as shown in fig. 1, the automatic line detection system includes a single chip microcomputer 1, a first relay 2, a first adapter plate 3, a socket 4, a first wall-through terminal 6, a first device 7 and an electric board 8; an IO port of the single chip microcomputer 1 is connected with a normally open contact of the first relay 2, the first relay 2 is connected with the socket 4, the socket 4 is located on the first adapter plate 3, a lead wire from the first device 7 passes through the first adapter plate 3 to be connected with a normally closed contact NC112 on the first relay 2, a lead wire from the first wall penetrating terminal 6 passes through the first adapter plate 3 to be connected with a common contact COM113 on the first relay 2, and the first device 7 and the first wall penetrating terminal 6 are located on the electric board 8. The device also comprises a second relay 11, a second device 9 and a second wall-through terminal 10; the other IO port of the single chip microcomputer 1 is connected with a normally open contact of the second relay 11, a lead wire from the second device 9 passes through an a02 interface 16 on the adapter board to an NC2 contact 14 on the second relay 11, and a lead wire from the second wall penetrating terminal 10 passes through a B02 interface 17 on the adapter board to a COM2 contact 15 on the second relay 11.

The single chip microcomputer 1 adopts an STM32F103ZET6 chip integrated with an ARM inner core and is used for detecting whether wiring is correct or not. The adapter plate is used for adapting the wiring to make the device beautiful. The relay is equivalent to a switch to protect the single chip microcomputer 1, the automatic electrification is prevented after the detection wiring is correct, and the single chip microcomputer 1 is burnt by strong electricity on the first device 7 and the second device 9. If the device is directly connected with the wall-through terminal and the singlechip 1 is connected with the wall-through terminal, then strong electricity is introduced into the singlechip 1 to burn the singlechip 1. The relay is added, when the single chip microcomputer 1 detects, the coil of the relay is attracted, the normally open and normally closed contacts are in a mutual exclusion relation, strong electricity cannot enter the single chip microcomputer 1, and the effect of isolating the strong electricity is achieved.

The relay is equivalent to a switch to protect the singlechip 1 from being automatically electrified after the detection wiring is correct, so that the singlechip 1 is burnt by strong electricity on the first device 7 and the second device 9. If the device is directly connected with the wall-through terminal and the singlechip 1 is connected with the wall-through terminal, then strong electricity is introduced into the singlechip 1 to burn the singlechip 1.

The working principle is as follows:

after the single chip microcomputer 1 is electrified, a relay coil is attracted, a normally open contact of a relay is closed, the normally closed contact is opened, a group of IO ports of the single chip microcomputer 1 are connected with a first wall penetrating terminal 6 and a second wall penetrating terminal 10, the first wall penetrating terminal 6 and the second wall penetrating terminal 10 are equivalent to a detection point 5, the experimental wiring is that wiring is conducted on the first wall penetrating terminal 6 and the second wall penetrating terminal 10, the two wall penetrating terminals are in wired connection, the two IO ports of the single chip microcomputer 1 are equivalent to direct connection, communication can be achieved to know which two IO ports, the three parts, namely the serial number of the IO ports of the single chip microcomputer 1, the serial number of the adapter plate 3, the serial number of the devices on the electric plate 8, have corresponding relation, the single chip microcomputer 1 judges whether the wiring is correct according to stored correct wiring data, and the operation is simple.

As shown in fig. 2, the principle of strong and weak galvanic isolation: the internal program of the single chip microcomputer 1 is provided with a detection switch and a device power supply which are interlocked, the device can not be electrified during detection, and the device can be electrified after the detection is correct, so that the device is effectively protected. The device is connected with the normally closed contact of the relay, the normally open contact of the electric appliance is closed after the electric appliance is electrified, and the normally closed contact is opened, so that the strong electricity on the device is isolated, and the strong electricity protection single chip microcomputer 1 is isolated.

Claims

1. The automatic line detection system is characterized by comprising a single chip microcomputer (1), a first relay (2), a first adapter plate (3), a socket (4), a first wall-through terminal (6), a first device (7) and an electric plate (8); an IO port of the single chip microcomputer (1) is connected with a normally open contact of the first relay (2), the first relay (2) is connected with the socket (4), the socket (4) is located on the first adapter plate (3), a lead wire from the first device (7) passes through the first adapter plate (3) to be connected with the normally closed contact NC1(12) on the first relay (2), a lead wire from the first wall penetrating terminal (6) passes through the first adapter plate (3) to be connected with the common contact COM1(13) on the first relay (2), and the first device (7) and the first wall penetrating terminal (6) are located on the electric plate (8).

2. The automatic line detection system according to claim 1, characterized by further comprising a second relay (11), a second device (9) and a second through-wall terminal (10); the other IO port of the single chip microcomputer (1) is connected with a normally open contact of a second relay (11), a lead wire from a second device (9) passes through an A02 interface (16) on the adapter plate to be connected with an NC2 contact (14) on the second relay (11), and a lead wire from a second wall penetrating terminal (10) passes through a B02 interface (17) on the adapter plate to be connected with a COM2 contact (15) on the second relay (11).

3. The automatic line detection system according to claim 1, characterized in that the single chip microcomputer (1) adopts an STM32F103ZET6 chip integrated with an ARM core to detect whether the wiring is correct.

4. The automatic line detection system according to claim 1, wherein the single chip microcomputer (1) is connected with a normally open contact on the relay, the device is connected with a normally closed contact on the relay, and mutual exclusion is achieved between the normally open contact and the normally closed contact.