CN203012439U - Extended module of PLC - Google Patents
Extended module of PLC Download PDFInfo
- Publication number
- CN203012439U CN203012439U CN 201320036867 CN201320036867U CN203012439U CN 203012439 U CN203012439 U CN 203012439U CN 201320036867 CN201320036867 CN 201320036867 CN 201320036867 U CN201320036867 U CN 201320036867U CN 203012439 U CN203012439 U CN 203012439U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- module
- connector
- cpu pcb
- fixed head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Programmable Controllers (AREA)
Abstract
The utility model relates to the technical field of controllers and specifically relates to an extended module of a PLC. The extended module of the PLC is provided with a shell. The shell is inside provided with a CPU circuit board and an I/O circuit board. The CPU circuit board is provided with a storage and an extended port module circuit board. It is characterized in that the extended port module circuit board is provided with a connector fixing board, a connection curved needle and a connector. A boss is arranged in the center of the upper end of the connector fixing board. The connection curved needle is a right-angled curved needle. A positioning groove is arranged in the center of the upper end of the CPU circuit board of the extended module. A display lamp and the connection curved needle are arranged on the CPU circuit board of the extended module on two sides of the positioning groove. The center of the connector fixing board is inserted in the positioning groove of the CPU circuit board of the extension module vertically through the boss. A connector is connected to the boss of the connection fixing board in a manner of being inserted. Two sides of the connector fixing board are clamped with the CPU circuit board of the extension module respectively. A pin of the connection curved needle is connected with the CPU circuit board of the extension module fixedly while another pin of the connection curved needle is connected with the connector fixing board fixedly. The extended module of the PLC has advantages of simple structure, convenient installation, stable contact, low space occupancy, powerful in performance and the like.
Description
Technical field
The utility model relates to controller technology field, specifically a kind of expansion module of PLC controller.
Background technology
As everyone knows, the PLC Programmable Logic Controller is the electronic system of digital operation operation, aims to use under industrial environment and design.it adopts programmable memory, being used within it, section stores the actuating logic computing, sequential control, regularly, the operational orders such as counting and arithmetical operation, and control various types of machineries or production run by digital or analog input and output, it is provided with housing, be provided with cpu pcb and IO circuit board in housing, the I/O circuit board is provided with connecting terminal block, cpu pcb comprises storer and expansion mouthful module board, in numerous industrial occasions now, in order to complete powerful and complicated engineering, need serviceability temperature, voltage, the different mode such as digital quantity is controlled, just need PLC to have powerful and stable extended capability, for this reason, whether the expansion interface layout of PLC is well extremely important, in prior art, the placement scheme that two kinds of expansion interfaces are arranged, as shown in Figure 1, be provided with the expansion module cpu pcb and be provided with the I/O circuit board, cpu pcb one side of expansion module is provided with the I/O circuit board, the I/O circuit board is provided with connection terminal, be provided with jack in the middle of the cpu pcb of expansion module, connector carries looper, connector fixedly is inserted on the cpu pcb of expansion module by looper, the advantage of this structure is: simple in structure, save the space, its deficiency is: the plug and socket of this connector is to match by jack and contact pin, in the Practical Project expanded application, easily cause loose contact, cause engineering operation chaotic, produce serious consequence, as shown in Figure 2, vertically be plugged with the cpu pcb of expansion mouthful module board and be provided with the I/O circuit board, in order to connect the input/output signal line, the I/O circuit board is provided with connection terminal, in order to realize the expanded function of expansion module, usually vertically be fixed with expansion mouthful module board on the cpu pcb of expansion module, jack is also arranged on cpu pcb, expanded mode buccal mass circuit board vertically inserts on cpu pcb by connecting looper, an expansion mouthful module board comprises connection looper and connector fixed head, two place's jacks are arranged on the connector fixed head, one place's jack is used for being fixedly connected with looper, another place's jack is used for fixedly connector, wherein, the plug and socket of this connector is that the sheet metal by leaf spring type matches, contact stabilization mostly, firm effect, make the extended capability of system strong, but the stitch of connector is straight, realize being electrically connected to by above labyrinth and cpu circuit, due to the constraint that is subjected to space in housing, connection terminal can only fixedly mount the both sides of web joint, take up room large, affect number of terminals, install inconvenient.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, a kind of rational in infrastructure, easy for installation, contact stabilization, saving space is provided, can increases the expansion module of the PLC controller of terminal row quantity.
The technical scheme that its technical matters that solves the utility model adopts is:
a kind of expansion module of PLC controller, it is provided with housing, be provided with cpu pcb and I/O circuit board in housing, cpu pcb is provided with storer, expansion mouthful module board, the I/O circuit board is provided with connecting terminal block, the cpu pcb of expansion module comprises storer and expansion mouthful module board, expansion mouthful module board vertical direct inserted is on cpu pcb, it is characterized in that being provided with the connector fixed head and be connected looper and connector, be provided with boss in the middle of described connector fixed head upper end, connect the rectangular looper of looper, the center, cpu pcb upper end of expansion module is provided with detent, the width of detent is corresponding with the width of boss, the cpu pcb of the expansion module of detent both sides is provided with display lamp and is connected looper, in the connector fixed head, the heart channel of Hang-Shaoyin boss vertically is inserted in the detent of cpu pcb of expansion module, be plugged with connector on the boss of connector fixed head, connector fixed head both sides fasten with the cpu pcb of expansion module respectively, connecting looper one pin is fixedly connected with the cpu pcb of expansion module, another pin is fixedly connected with the connector fixed head, make connector through the connector fixed head be connected looper and be electrically connected to the cpu pcb of expansion module, reaching pegs graft stablizes, functional, save the space, increase the space of terminal row and the effect of quantity.
Socket connector plug described in the utility model and socket are that the sheet metal by leaf spring type matches, and contact area is large, and forms self-locking, difficult drop-off after pegging graft, and reaches the effect of contact stabilization.
The utility model realizes that owing to adopting said structure the leaf spring type connector is electrically connected to cpu circuit, simultaneously, has also increased the quantity of connection terminal, has simple in structure, easy for installation, contact stabilization, saving space, the advantage such as powerful.
Description of drawings
Fig. 1 is the structural representation of prior art 1.
Fig. 2 is the side view of the cpu pcb of prior art 1
Fig. 3 is the structural representation of prior art 2.
Fig. 4 is the side view of the cpu pcb of prior art 2
Fig. 5 is structural representation of the present utility model.
Fig. 6 is the front elevation of cpu pcb of the present utility model.
Fig. 7 is the vertical view of cpu pcb of the present utility model.
Fig. 8 is the side view of cpu pcb of the present utility model.
Fig. 9 is the structural representation of plug connector fixed head in the utility model.
Reference numeral: the cpu pcb 4 of housing 1, I/O circuit board 2, connecting terminal block 3, expansion module, connector 5, connector fixed head 6, connection looper 7, detent 8, boss 9, display lamp 10.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is further illustrated:
as shown in drawings, a kind of expansion module of PLC controller, it is provided with housing 1, be provided with cpu pcb 4 and I/O circuit board 2 in housing, cpu pcb 4 is provided with storer, expansion mouthful module board, I/O circuit board 2 is provided with connecting terminal block 3, expansion mouthful module board vertically is plugged in the cpu pcb 4 of expansion module circuit board, it is characterized in that being provided with connector fixed head 6, connector 5 be connected looper 7, described connector fixed head is provided with boss 9 in the middle of 6 upper ends, connect the rectangular looper of looper 7, cpu pcb 4 centers, upper end of expansion module are provided with detent 8, the width of detent 8 is corresponding with the width of boss 9, the cpu pcb 4 of the expansion module of detent 8 both sides is provided with display lamp 10 and is connected looper 7, in connector fixed head 6, the heart channel of Hang-Shaoyin boss 9 vertically is inserted in the detent 8 of cpu pcb 4 of expansion module, be plugged with connector 5 on the boss 9 of connector fixed head 6, connector fixed head 6 both sides fasten with the cpu pcb 4 of expansion module respectively, connecting looper 7 one pins is fixedly connected with the cpu pcb 4 of expansion module, another pin is fixedly connected with connector fixed head 6, make connector 5 through connector fixed head 6 be connected looper 7 and be electrically connected to the cpu pcb 4 of expansion module, reaching pegs graft stablizes, functional, save the space, increase the space of terminal row and the effect of quantity.
Socket connector plug described in the utility model and socket are that the sheet metal by leaf spring type matches, and contact area is large, and forms self-locking, difficult drop-off after pegging graft, and reaches the effect of contact stabilization.
The utility model can be expanded connection by expansion module with different control modules such as needing serviceability temperature, voltage, electric current, digital quantity in use, has realized powerful and stable extended capability.
The utility model realizes that owing to adopting said structure the leaf spring type connector is electrically connected to cpu circuit, simultaneously, has also increased the quantity of connection terminal, has rational in infrastructure, easy for installation, contact stabilization, saving space, the advantage such as powerful.
Claims (1)
1. the expansion module of a PLC controller, it is provided with housing, be provided with cpu pcb and I/O circuit board in housing, cpu pcb is provided with storer, expansion mouthful module board, the I/O circuit board is provided with connecting terminal block, the cpu pcb of expansion module comprises storer and expansion mouthful module board, expansion mouthful module board vertical direct inserted is on cpu pcb, it is characterized in that being provided with the connector fixed head and be connected looper and connector, be provided with boss in the middle of described connector fixed head upper end, connect the rectangular looper of looper, the center, cpu pcb upper end of expansion module is provided with detent, the width of detent is corresponding with the width of boss, the cpu pcb of the expansion module of detent both sides is provided with display lamp and is connected looper, in the connector fixed head, the heart channel of Hang-Shaoyin boss vertically is inserted in the detent of cpu pcb of expansion module, be plugged with connector on the boss of connector fixed head, connector fixed head both sides fasten with the cpu pcb of expansion module respectively, connecting looper one pin is fixedly connected with the cpu pcb of expansion module, another pin is fixedly connected with the connector fixed head, make connector through the connector fixed head be connected looper and be electrically connected to the cpu pcb of expansion module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320036867 CN203012439U (en) | 2013-01-21 | 2013-01-21 | Extended module of PLC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320036867 CN203012439U (en) | 2013-01-21 | 2013-01-21 | Extended module of PLC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203012439U true CN203012439U (en) | 2013-06-19 |
Family
ID=48604013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320036867 Expired - Lifetime CN203012439U (en) | 2013-01-21 | 2013-01-21 | Extended module of PLC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203012439U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184404A (en) * | 2014-03-17 | 2014-12-03 | 成都绿迪科技有限公司 | Intelligent photovoltaic junction box |
| CN104916965A (en) * | 2015-06-04 | 2015-09-16 | 上海友邦电子有限公司 | PLC quick plug-in |
-
2013
- 2013-01-21 CN CN 201320036867 patent/CN203012439U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184404A (en) * | 2014-03-17 | 2014-12-03 | 成都绿迪科技有限公司 | Intelligent photovoltaic junction box |
| CN104916965A (en) * | 2015-06-04 | 2015-09-16 | 上海友邦电子有限公司 | PLC quick plug-in |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203466518U (en) | Junction box used for electric vehicle | |
| CN203012439U (en) | Extended module of PLC | |
| CN203775311U (en) | Camera module and electronic equipment | |
| CN204205121U (en) | Binding post | |
| CN203983526U (en) | A kind of combined connecting terminal | |
| CN203941199U (en) | Electric energy meter | |
| CN201078814Y (en) | Surface-mounted miniature rectangular electric connector | |
| CN205159580U (en) | A circular connector for industrial control box | |
| CN202738338U (en) | Circuit board module used in electric instruments | |
| CN203703894U (en) | Pin-socket type lamp head component and energy-saving lamp using pin-socket type lamp head component | |
| CN202534593U (en) | Connector for electronic board of relay | |
| CN203703876U (en) | Simple side-inserting connector and LED lamp using same | |
| CN203445272U (en) | Circuit board and socket assembly | |
| CN204290681U (en) | A kind of frequency converter control panel of optimization | |
| CN203414775U (en) | High-power programmable controller | |
| CN204271339U (en) | Electrical connection module in relay socket | |
| CN204045771U (en) | A kind of wiring board and connection structure of conductive terminals | |
| CN203690526U (en) | Elevator cable connector board | |
| CN203288848U (en) | Multiple connector integrated device | |
| CN203260811U (en) | Extension socket | |
| CN203398441U (en) | Connector, and fixed needle plate for connector | |
| CN203503933U (en) | Bidirectional interface on PCB | |
| CN205724089U (en) | Small-sized anti-plug formula SMD connector construction | |
| CN207753232U (en) | A kind of multi-form combination insert row | |
| CN202856115U (en) | Control device adopting side vertical D-SUB socket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
|
| CX01 | Expiry of patent term |