CN215449456U

CN215449456U - DI/DO card piece test box of control cabinet PLC module

Info

Publication number: CN215449456U
Application number: CN202121498072.5U
Authority: CN
Inventors: 赵金晓; 孔维广; 潘峰; 胡志涛; 宋阳; 梁雷; 李宏志; 曹明锐; 姜宝石; 袁鑫
Original assignee: Harbin Yulong Automation Co ltd
Current assignee: Harbin Yulong Automation Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-07
Anticipated expiration: 2031-07-01

Abstract

The utility model provides a DI/DO card testing box of a PLC module of a control cabinet, which comprises a control box, a DI testing card and a DO testing card, wherein the DI testing card comprises a plurality of two-position buttons and a wiring bar, the two-position buttons are directly connected with the wiring bar, and the two-position buttons are embedded and installed on the surface of the control box; DO test fastener includes a plurality of auxiliary relay, a plurality of 24V miniature pilot lamp and wiring row, and the single line access auxiliary relay coil positive pole of wiring row, the terminal short circuit of double line and draw 24+ connection cable, a plurality of 24V miniature pilot lamp and auxiliary relay often touch the switch and be connected, and the embedded installation of a plurality of 24V miniature pilot lamp is on the control box surface. The utility model solves the technical problem of accurately testing the channel of the DI/DO card of the control cabinet, is used for quickly and professionally measuring the on-off of the DI/DO card, saves the time cost of testing the card each time and improves the testing precision.

Description

DI/DO card piece test box of control cabinet PLC module

Technical Field

The utility model relates to a DI/DO card testing box for a PLC module of a control cabinet, belonging to the technical field of testing boxes.

Background

The DI/DO card channel test (including DI/DO points and corresponding wiring loops) of the control cabinet is one of the most important parts before the cabinet body leaves a factory, and if a certain channel is tested to be problematic, the channel needs to be modified before leaving the factory so as to ensure the accuracy of a drawing and the safety of a system. The accurate follow-up work energy of leaving the factory of the cabinet body that then can be very big sparingly of test. The product quality of the cabinet body is improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a DI/DO card testing box of a PLC module of a control cabinet, which is used for rapidly and professionally measuring the on-off of a DI/DO card, saving the time cost of testing the card each time and improving the testing precision, and aims to solve the technical problem of accurately testing the DI/DO card channel of the control cabinet.

The utility model provides a DI/DO card testing box of a PLC module of a control cabinet, which comprises a control box, a DI testing card and a DO testing card, wherein the DI testing card comprises a plurality of double-position buttons and a wiring row, the plurality of double-position buttons are directly connected with the wiring row, and the plurality of double-position buttons are embedded and installed on the surface of the control box; the DO test fastener comprises a plurality of intermediate relays, a plurality of 24V miniature indicator lamps and a wiring row, each intermediate relay comprises an intermediate relay coil and an intermediate relay normally-touching switch, a 24V-wiring cable is led out by the short circuit of the negative electrode of the relay coil, a single line of the wiring row is connected into the positive electrode of the intermediate relay coil, a 24+ wiring cable is led out by the short circuit of the tail end of a double line, the 24V miniature indicator lamps are connected with the intermediate relay normally-touching switch, and the 24V miniature indicator lamps are embedded and installed on the surface of the control box.

Preferably, the wiring bank is designed as a 16-bit bank.

Preferably, the control cabinet PLC module DI/DO card piece test box also comprises a 2.5 terminal strip, and the wiring strip is directly inserted into the 2.5 terminal strip in the control box.

The DI/DO card piece testing box of the PLC module of the control cabinet has the beneficial effects that:

1. the utility model can be carried movably and flexibly applied to various environment factories, such as field test and the like.

2. The DI test card of the utility model adopts the two-position button embedded type to be installed on the surface of the control box, the 8 two-position button normally open points of one group are directly connected with the 16-position terminal block of the wiring block, the wiring block is similar to the terminal short-circuit strip and can adopt the DI terminal block which is directly inserted into the control box without a screw, the two-position switch is turned, the contact is closed, the channel connection condition of the DI module can be directly observed, the terminal connection by one person is avoided, the complicated link of observing the DI module by one person is avoided, and the labor is saved.

3. According to the DO test clamping piece, 8 24V miniature indicating lamps are embedded and installed on the surface of a control box, a 24V relay is installed in the box, the negative pole of a relay coil is in short circuit and a 24V-wiring cable is led out, a 16-bit wiring row is in one group, a single number is connected into the positive pole of the relay coil, a double number tail end is in short circuit and a 24+ wiring cable is led out, the wiring row can be directly connected into a DO terminal row without screws, a PLC controls the output of the DO clamping piece, the state of the indicating lamps of the wiring box can be visually observed, a universal meter measuring link is omitted, the DO test clamping piece is visual, efficient and accurate, and labor is saved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic diagram of a DO test loop of a DI/DO card test box of a PLC module of a control cabinet according to the present invention;

FIG. 2 is a schematic diagram of a DI test loop of a DI/DO card test box of a control cabinet PLC module according to the present invention;

FIG. 3 is a schematic structural diagram of a control box panel of a DI/DO card testing box of a PLC module of a control cabinet according to the present invention;

wherein, 1-a control box; 2-dibit buttons, 8 dibit buttons are denoted by S1-S8, respectively; 3-intermediate relays, 8 intermediate relays are respectively represented by KA1-KA 8; 4-2.5 terminal rows; 5-24V miniature indicator lamps, 8 miniature indicator lamps of 24V are respectively represented by XL1-XL 8; 6-line bank.

Detailed Description

The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings:

the first embodiment is as follows: the present embodiment is explained with reference to fig. 1 to 3. The DI/DO card testing box of the PLC module of the control cabinet comprises a control box 1, DI testing cards and DO testing cards, wherein the DI testing cards comprise a plurality of two-position buttons 2 and a wiring bar 6, the two-position buttons 2 are directly connected with the wiring bar 6, and the two-position buttons 2 are embedded and installed on the surface of the control box 1; DO test fastener includes a plurality of auxiliary relay 3, a plurality of 24V miniature pilot lamp 5 and wiring row 6, and every auxiliary relay 3 includes auxiliary relay coil and auxiliary relay and often touches the switch, 24V-wiring cable is drawn forth in the negative pole short circuit of relay coil, wiring row 6's No. one circuit inserts the auxiliary relay coil anodal, and 24+ wiring cable is drawn forth in the terminal short circuit of No. two circuit, and a plurality of 24V miniature pilot lamp 5 and auxiliary relay often touch the switch and are connected, and a plurality of 24V miniature pilot lamp 5 are embedded to be installed on control box 1 surface.

The DI/DO card piece test box of the PLC module of the control cabinet further comprises a 2.5 terminal strip 4, and a wiring strip 6 is directly inserted into the 2.5 terminal strip 4 in the box 1 of the control cabinet.

DI test cards: adopt embedded the installing on 1 surface of control box of dibit button, 8 a set of dibit button 2 normally open a little lug connection line bank 6, line bank 6 is 16 a set of, line bank 6 can adopt the DI terminal strip (2.5 terminal strip 4) of exempting from screw disect insertion control box 1 incasement similar to terminal short circuit strip, stir dibit button 2 switches, the contact is closed, the passageway switch-on condition of direct observation DI module, it needs alone to put through the terminal to remove from, alone observe the numerous and diverse link of DI module, use manpower sparingly.

DO test card: 8 miniature pilot lamp of 24V are embedded to be installed on 1 surface of control box, 24V auxiliary relay 3 of installation in the case, auxiliary relay 3 includes relay coil and relay normal touch switch, the negative pole short circuit of relay coil draws forth 24V-wiring cable, 16 a set of row of working a telephone switchboard, the relay coil positive pole is inserted to the single number, 24+ wiring cable is drawn forth to the terminal short circuit of double numbers, the row of working a telephone switchboard can directly exempt from screw access DO terminal row (2.5 terminal row 4), PLC control DO fastener output, but visual observation junction box pilot lamp state, remove from and measure the link with the universal meter, directly perceived high-efficient accuracy, use manpower sparingly.

The above-mentioned embodiments further explain the objects, technical solutions and advantages of the present invention in detail. It should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and that the reasonable combination of the features described in the above-mentioned embodiments can be made, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A DI/DO card testing box of a PLC module of a control cabinet is characterized by comprising a control box (1), a DI testing card and a DO testing card,

the DI test clamping piece comprises a plurality of two-position buttons (2) and a wiring bar (6), the two-position buttons (2) are directly connected with the wiring bar (6), and the two-position buttons (2) are embedded in the surface of the control box (1);

DO test fastener includes that a plurality of auxiliary relay (3), a plurality of 24V miniature pilot lamp (5) and wiring are arranged (6), and every auxiliary relay (3) are including auxiliary relay coil and auxiliary relay and often touch the switch, 24V-wiring cable is drawn forth to the negative pole short circuit of relay coil, the single number circuit access auxiliary relay coil positive pole of wiring row (6), and 24+ wiring cable is drawn forth to the terminal short circuit of double number circuit, and a plurality of 24V miniature pilot lamp (5) are often touched the switch with auxiliary relay and are connected, and a plurality of 24V miniature pilot lamp (5) are embedded to be installed on control box (1) surface.

2. The DI/DO card tester cabinet of control cabinet PLC module according to claim 1, characterized in that the line bank (6) is designed as a 16-bit bank.

3. The control cabinet PLC module DI/DO card test box of claim 1, characterized in that it further comprises a 2.5 terminal strip (4), the connection strip (6) being directly plugged into the 2.5 terminal strip (4) inside the control box (1) box.

4. The DI/DO card tester of the control cabinet PLC module of claim 1, wherein each normally open point of the two-position button (2) is directly connected to the terminal block (6).