WO2017101056A1

WO2017101056A1 - Digital equipment industrial control platform

Info

Publication number: WO2017101056A1
Application number: PCT/CN2015/097661
Authority: WO
Inventors: 邹建红; 庞观士; 陈志列
Original assignee: 研祥智能科技股份有限公司
Priority date: 2015-12-17
Filing date: 2015-12-17
Publication date: 2017-06-22

Abstract

A digital equipment industrial control platform comprises a master (10) and power box (20). The power box (20) comprises a power cabinet (22), a power source provided in the power cabinet (22), and a power connector male (244) exposed outside the power cabinet (22). The power connector male (244) is used for plugging with and supplying power to a power connector female (142). The master (10) comprises a master cabinet (12), a back plate (14) and a plurality of circuit boards with pull-type structure arranged in the master cabinet (12), wherein the back plate (14) is fixed to the inside of one panel of the master cabinet (12), the circuit boards comprise a main board (162) and a hard disk plate (164) with each circuit board being inserted into the back plate (14), and the back plate (14) comprises the power connector female (142) exposed outside the master cabinet (12). Through the use of different combinations of modules, it is possible to realize rapid response to different customization requirements, achieve multi-functional extension, and be applied to different industrial sites.

Description

Digital Equipment Industrial Control Platform

Technical field

The present invention relates to computer control systems, and more particularly to a digital equipment industrial control platform.

Background technique

With the rapid development of industrial automation, a wide variety of control devices and process monitoring devices are widely used in industrial control systems. Around the application of different needs, the traditional single, fixed-architecture industrial control platform does not have flexibility. Once the application requirements are changed, the underlying hardware and even the upper-layer software code must be modified, and the development cycle is long; and the developed software and hardware platforms are Due to different projects, the reusability rate is very low.

In the current system application of various fields, the client application system generally consists of "industrial control platform + client hardware + application software". The client hardware part often needs to be developed according to different systems, and the following problems exist:

The existing functions of the traditional industrial control platform can not meet the needs of customers, and need to add or modify the existing functions of the industrial computer, such as processing capacity, expansion capability, power, etc., with high cost of change and long cycle;

Ordinary industrial control platform as a general-purpose model, due to space constraints, reserved expansion capabilities often can not meet the needs of different customers cooling, power and system hardware resources;

Ordinary industrial control platform can only provide standard bus expansion, can not match different client hardware, such as: smart client, DSP, FPGA, etc., has certain limitations.

The underlying hardware and upper layer software vary greatly in form, function, and performance as the application requirements change. Existing software and hardware platforms are difficult to upgrade and reuse, and need to be redesigned.

At the same time, the traditional industrial control computer, motherboard, expansion card, power supply and other components are installed in a chassis, part of the input / output (I / O) interface and functional components are connected to the motherboard by cable connection to achieve various inputs /Output, display, storage and other functions. This makes the layout of the internal wiring of the traditional industrial control computer messy and difficult to maintain.

Summary of the invention

Based on this, it is necessary to provide a digital equipment industrial control platform with a simple layout, flexible combination, and easy upgrade, installation and maintenance.

A digital equipment industrial control platform includes a main control unit and a power supply box; the power supply box includes a power supply box body, a power supply disposed in the power supply box body, and a power connector male body exposed to the power supply box body, the power supply The connector male is used for plugging in the female connector of the power connector and providing power; the main controller includes a main body box, a backboard, and a plurality of pull-out structure boards disposed in the main body box, the back The board is fixed on the inner side of a panel of the main body box. The circuit board includes a main board and a hard disk board. Each circuit board is plugged into the back board, and the back board includes a power connector female body exposed from the main body box. .

In one of these embodiments, the circuit board also includes an expansion board for implementing customized extended functions.

In one embodiment, a support frame for fixing the main control unit and the power box is further included, the power supply box forms a sliding connection with the support frame, and the main control unit and the power supply box are provided with a clamping The supporting frame is provided with a engaging portion that cooperates with the engaging member, and the main control unit and the power box are engaged with the supporting frame through the engaging member; the back plate is fixed to the panel on the back of the main body box Inside.

In one embodiment, the support frame includes a support backing plate and is perpendicular to an edge of the support backplane a supporting supporting side plate, wherein the engaging portion is an engaging groove extending from the edge of the supporting side plate to a middle portion of the supporting side plate, the supporting back plate is provided with a sliding rail, and the side panel of the power supply box The upper opening is provided with a sliding groove that cooperates with the sliding rail to form a sliding connection.

In one embodiment, the power box further includes a wrench, and the wrench is rotatably connected to the power box through a rotating shaft fixed to the back of the power box, and the wrench of the power box is engaged in the engaging slot. The support side plates abut, and the contact lines formed by the abutment are perpendicular to the projection of the slide rails on the support side plates.

In one embodiment, the inner side of the panel on both sides of the main body case is provided with a guiding groove, and the circuit board slides in the guiding groove when being pulled.

In one embodiment, the main board is covered with a passive heat sink, the main body box is fenestrated on a side opposite to the power connector female head to expose the heat sink, and the main board is installed into the host a resilient protrusion is disposed on a side of the case where the heat sink is disposed adjacent to the front surface of the main body case; or the power source is covered with a passive heat sink, and the power supply box is opposite to the male side of the power connector Opening the window to expose the passive heat sink.

In one embodiment, the method further includes an expansion box disposed between the power box and the main control unit, the expansion box includes an expansion box and a bottom plate, the bottom plate being fixed to an inner side of the panel on one side of the expansion box, The bottom plate includes an expansion card slot for plugging a standard expansion card, a power connector male connector, a power connector female connector, and a data signal connector male connector, wherein the power connector female connector of the expansion box is disposed to be connected to the power supply box On one side, the power connector male connector and the data signal connector male connector of the expansion box are disposed on the side connected to the main control unit.

In one embodiment, a support frame for fixing the main control unit, the expansion box and the power box is further included, and the power box and the expansion box form a sliding connection with the support frame, and the main control unit and the extension a latching member is arranged on the box and the power box, and the supporting frame is provided with a engaging portion matched with the engaging member, the main control device, The expansion box and the power box are engaged with the support frame through the engaging member; the back plate is fixed to the inner side of the panel on the back of the main body case.

In one embodiment, the support frame includes a support back plate and a support side plate perpendicularly connected to an edge of the support back plate, and the engaging portion includes three self-supporting side plate edges extending a distance from a middle portion of the support side plate Each of the engaging slots is provided with a sliding rail, and the supporting backing plate is provided with a sliding rail, and one side of the expansion box and a side panel of the power box are opened and The slide rails cooperate to form a sliding joint.

In one embodiment, the power box and the expansion box each include a wrench. The wrench of the power box is rotatably connected to the power box through a rotating shaft fixed to the back of the power box, and the wrench of the expansion box is fixed to the back of the expansion box. The rotating shaft is rotatably connected to the expansion box. When the engaging members of the power box and the expansion box are engaged in the engaging groove, the wrenches of the two are abutted against the supporting side plates, and the contact lines formed by the abutting are perpendicular to the sliding rails. The projection on the supporting side plate, the supporting side plate at the position of the engaging groove in the middle of the three engaging grooves is provided with an opening for the wrench to protrude into and abut against the supporting side plate.

In one embodiment, the bottom plate is provided with a slot for inserting the adapter board, and the power connector male connector and the data signal connector male connector of the bottom plate are disposed on the adapter board.

In one embodiment, the main control unit and the expansion box have a cableless structure inside.

In one embodiment, the main body case, the expansion case, and the power supply case are formed of sheet metal.

The above-mentioned digital equipment industrial control platform adopts a modular design, and the power supply is separately installed in a box, so that the components in the main control machine are all components that can be pulled by the card type, the layout is simple, and the main control machine can realize Cable-free assembly, assembly and maintenance are quick and easy. And because of the modular design, the power box and the main control unit are connected through the power connector, which can quickly respond to different customization requirements by selecting different module combinations, and can realize multi-functional expansion and application to different industrial sites.

DRAWINGS

The above and other objects, features and advantages of the present invention will become more apparent from the <RTIgt; The same reference numerals are used throughout the drawings to refer to the same parts, and the drawings are not intended to be scaled to the actual size. The emphasis is on the subject matter of the invention.

Figure 1 is a schematic view of a master in an embodiment;

2 is a schematic view of a main body case in which a backboard is mounted in the embodiment shown in FIG. 1;

3 is a schematic view of a motherboard in an embodiment;

4 is a schematic view of a hard disk board in an embodiment;

Figure 5 is a schematic view of a backing plate in an embodiment;

Figure 6 is a schematic view of a power supply box in an embodiment;

Figure 7 is a perspective view of the power box of Figure 6 at another angle;

Figure 8 is a schematic diagram of a digital equipment industrial control platform composed of a main control unit, a power supply box and an expansion box;

Figure 9 is a schematic view of an expansion box in an embodiment;

Figure 10 is a perspective view of the expansion box of Figure 9 at another angle;

Figure 11 is a schematic view of a bottom plate in an embodiment;

Figure 12 is a schematic view of an adapter plate in an embodiment;

Figure 13 is a schematic view of a support frame in an embodiment;

14 is a schematic diagram of a digital equipment industrial control platform composed of a main control unit, a power box expansion box, and a support frame.

detailed description

In order to facilitate the understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the invention are given in the drawings. However, the invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and comprehensive.

It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or the element can be present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like, as used herein, are used for purposes of illustration only.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. The terminology used in the description of the present invention is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and/or" used herein includes any and all combinations of one or more of the associated listed items.

The invention provides a digital equipment industrial control platform, comprising a main control unit 10 and a power supply box 20. Referring to FIG. 1 and FIG. 2, the main control unit 10 includes a main body casing 12, a backboard 14 and a plurality of circuit boards of the pull-type structure disposed in the main body casing 12. The back plate 14 is fixed to the inner side of a panel of the main body casing 12, and is the inner side of the panel on the back side of the main body casing 12 in this embodiment. Referring to FIG. 3 and FIG. 4 together, the circuit board includes a main board 162 and a hard disk board 164, and each circuit board is plugged into the back board 14. Referring to FIG. 5, the backboard 14 includes a power connector female 142 that is exposed on the bottom surface of the main chassis 12. The power connector female head 142 needs to be used with the power connector male connector, and the two are plugged into each other to form a power connector, and the power connector male connector 142 is supplied with power through the power connector male connector.

Referring to FIG. 1, in the present embodiment, the circuit board further includes an expansion board 166. The purpose of the expansion board 166 is to customize the expansion function according to the individual needs of the user when manufacturing the digital equipment industrial control platform. According to no With the requirements of the application, different functional modules can be extended in the same model.

The main control unit 10 is a control unit of the digital equipment industrial control platform, and each circuit board can be separately inserted and removed for installation and disassembly in the main control unit 10. Referring to FIG. 2, in the embodiment, the inner side of the panel on both sides of the main body casing 12 is provided with a guiding groove 17 for sliding in the guiding groove 17 when each circuit board is pulled. The main casing body 12 is formed of sheet metal, and each circuit board is inserted into the backing plate 14 through the guide groove 17.

Since the heat generated by the main board 162 is generally the largest among the boards, it needs to be mounted in a position that is easy to dissipate heat. Referring to FIG. 8, since one side of the main control unit 10 is connected to the power supply box 20 or the expansion box 30, which is disadvantageous for heat dissipation, it is preferable to mount the main board 162 on the side opposite to the connection surface (hereinafter referred to as a heat dissipation surface). And a passive heat sink 161 is disposed on one side of the main board 162. In this embodiment, it is a metal heat sink housing provided with a fin-shaped heat sink. Referring to FIG. 2 together, the main body 12 is opened on the left side (ie, the heat dissipating surface) of FIG. 2 to form a window 11 to expose the passive heat sink 161 for heat dissipation. The passive heat sink 161 serves as the main control unit at the same time. 10 heat sink surface housing. In order to enable the main board 162 inserted into the backboard 14 to be more stably fixed, the main board 162 is provided with a resilient protrusion at a position where the heat dissipating surface of the main body casing 12 meets the front surface, and the elastic protrusion is inserted by the frame beside the window 11 after insertion. The 122 is pressed to form a fixing to the main board 162.

Referring to FIGS. 6 and 7 , the power box 20 includes a power box 22 , a power source disposed in the power box 22 , and a power connector male 244 exposed to the power box 22 . In this embodiment, the opposite side (heat dissipation surface) of the power supply box 20 and the power connector male 244 is provided with a passive heat sink 26 similar to the main board 162. The heat dissipation surface of the power supply box 22 is also opened to allow a passive heat sink. Exposed, the exposed passive heat sink 26 serves as the outer casing of the heat sink 20 of the power box 20 at the same time.

The above digital equipment industrial control platform, the main control unit 10 and the power supply box 20 can form a basic industrial control computer to meet basic industrial control requirements. Due to the combined structure, there are users When the demand is expanded, the expansion box 30 can also be provided. At this time, the digital equipment industrial control platform is composed of the main control unit 10, the power supply box 20, and the expansion box 30, as shown in FIG.

Referring to FIG. 9, FIG. 10 and FIG. 11, the expansion box 30 includes an expansion box 32 and a bottom plate 34. The bottom plate 34 is fixed to the inner side of the panel on one side of the expansion box 32. Referring to FIG. 11 together, the bottom plate 34 includes an expansion card slot 341 for plugging the standard expansion card 42 and a power connector female connector 342. When the standard expansion card 42 is required, it can be opposite from the bottom plate 34 of the expansion box 32. Insert on one side. In this embodiment, the bottom plate 34 further includes an adapter plate slot 343 for plugging the adapter plate, and a power connector male 344 and data are inserted through the adapter plate slot 343 of the bottom plate 34. The adapter plate 36 of the signal connector male 346 is connected to the main control unit 10. The structure of the adapter plate 36 is as shown in FIG. The data signal connector male 346 and the data signal connector female 146 on the backplane form a data signal connector. It can be understood that in other embodiments, the power connector male 344 and the data signal connector male 346 can also be disposed directly on the bottom plate 34. The power connector female head 342 is disposed on a side connected to the power supply box 20, and the power connector male connector 344 and the data signal connector male connector 346 are disposed on a side connected to the main control unit 10.

The expansion box 30 has a rich expansion interface, and is compatible with standard expansion cards in the industry, and is connected to the backboard 14 of the main control unit 10 through the data signal connector male 346 to realize mutual signal transmission. The expansion case 32 is formed of sheet metal. In the present embodiment, the number of the expansion boxes 30 is one, and in other embodiments, two or more expansion boxes may be provided.

In the embodiment shown in FIG. 8, since the mounting direction of the backboard 14 and the bottom plate 34 are different, the positions of the power connector female 142 and the power connector female 342 with respect to the power box 20 are different, and the power box 20 must be A power connector male connector is provided for each of the power connector female 142 and the power connector female 342. It can be understood that in the embodiment where the power connector female of the master 10 and the power connector of the expansion box 30 are in the same position as the power box 20, only one power can be configured on the power box 20. Source connector male.

The above digital equipment industrial control platform adopts a modular design, and the power supply is separately installed in a box, so that the components in the main control unit 10 are all components that can be pulled by the card type, and the main control unit 10 can realize wireless. Cable assembly, assembly and maintenance are quick and easy, thus reducing the cost of after-sales service. And because of the modular design, the power box 20 can be respectively connected to the main control unit 10 or the expansion box 30 through the electrical connector, and the different module combinations can be selected (ie, the main control unit 10+ power supply box 20, or the main control unit is selected) The combination of 10+ expansion box 30+ power box 20) responds quickly to different customization requirements and enables multi-functional expansion for different industrial sites.

The modular design of the digital equipment industrial control platform divides the whole machine design into different functional modules. By arranging and combining different modules, it can quickly respond to different customization requirements while reducing the internal wire of the whole machine. Reduce the cost of after-sales service and provide new solutions for the industrial site. Since the box body of each module unit is formed by sheet metal, and the high heat-generating component of the main control unit 10 and the power box 20 is matched with a passive heat sink, the working heat dissipation of each functional module is realized, so the digital equipment industrial control platform can be adopted. Fanless design.

In one of these embodiments, the digital equipment industrial control platform also includes a support frame 40. The main control unit 10 and the expansion box 30 form a sliding connection with the support frame 40. The main control unit 10, the expansion box 30 and the power box 20 are provided with engaging members, and the supporting frame 40 is provided with a engaging portion for engaging with the engaging member. The main control unit 10, the expansion box 30, and the power box 20 are engaged with the support frame 40 through the engaging members.

Referring to Figures 13 and 14, the support frame 40 includes a support back plate 42 and a support side plate 44 perpendicularly connected to the edge of the support back plate. The engaging portion includes three edges of the self-supporting side plate 44 extending toward the middle of the support side plate 44. The engagement grooves of the distance are the first engagement groove 412, the second engagement groove 422, and the third engagement groove 432. In this embodiment, each of the engagement grooves is a hollow groove. When the digital equipment industrial control platform adopts the main control When the combination of the machine 10+ expansion box 30+ the power box 20 is used, the first engagement slot 412 is used to engage with the engaging member 212 on the power box 20, and the second engagement slot 422 is used to be associated with the main control unit 10. The engaging member 112 is engaged, the third engaging groove 432 is used for engaging with the engaging member 312 on the expansion box 30; when the digital equipment industrial control platform adopts the combination of the main control unit 10 + the power box 20, the second card The engaging groove 422 is for engaging with the engaging member 112 on the main control unit 10, and the third engaging groove 432 is for engaging with the engaging member 212 on the power supply box 20. The supporting back plate 42 is provided with a protruding sliding rail 43. One side of the main body casing 10, one side of the expansion box 30 and one side of the power box 20 are respectively recessed and cooperate with the sliding rail 43 to form a sliding. The connected chute 13, the chute 33 and the chute 23. In the present embodiment, the slide rail 43 extends from the bottom of the support back plate 42 to the top, and since the main control unit 10 does not need to slide on the support frame 40, the slide rail 43 can also be made in other embodiments. It is short, and no chute is provided on the main body 12. The support frame 40 can reinforce the rigidity of the whole machine of the digital equipment industrial control platform after the combination of the modules.

In one embodiment, the digital equipment industrial control platform can be designed as a fixed module + detachable module, that is, when the main control unit 10, the power box 20, the expansion box 30, and the like are mounted on the support frame 40, One module is fixed and the other modules are disassembled on the support frame 40 when combined as needed. Since the main control unit 10 and the power supply box 20 are basic modules, one of them can be used as a fixed module. In this embodiment, the main control unit 10 is used as a fixed module. Correspondingly, the extending direction of the second engaging groove 422 is perpendicular to the projection of the sliding rail 43 on the supporting side plate 44, so that the main control machine 10 as the fixing module is not easy to slide on the support frame 40; and the first engaging groove 412 The extending direction of the third card slot 432 is parallel to the projection of the sliding rail 43 on the supporting side plate 44, facilitating assembly and disassembly of the power box 20 and the expansion box 30 as detachable modules.

A wrench is provided on both the power box 20 and the expansion box 30. The wrench 28 of the power box 20 is rotatably connected to the power box 22 via a rotating shaft 27 fixed to the back of the power box 22. Similarly, the wrench 38 of the expansion box 30 The rotating shaft 37 fixed to the back surface of the expansion case 32 is rotatably coupled to the expansion case 32. When the engaging member 212 is engaged with the first engaging groove 412 and the engaging member 312 is engaged with the third engaging groove 432, the wrench 28 and the wrench 38 abut against the supporting side plate 44, and the contact formed by the abutment The lines are all perpendicular to the projection of the slide rails 43 on the support side panels 44. In this way, by turning the wrench 28, the support side plate 44 gives the wrench 28 a reverse thrust, so that the power box 20 is separated from the support frame 40. The same applies to the function of the wrench 38. The support side plate 44 is provided with an opening 45 at a position of the third engagement groove 432 for the wrench 38 (or the wrench 28) to protrude from the side to abut against the support side plate 44. It can be understood that the wrench can also be set correspondingly on the power box 20.

The above-mentioned embodiments are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims

A digital equipment industrial control platform, characterized in that comprising a main control unit and a power supply box;

The power box includes a power box, a power source disposed in the power box, and a power connector male body exposed to the power box, the power connector male connector being inserted into the female connector of the power connector and provided power supply;

The main control unit includes a main body box, a back board and a plurality of circuit boards of the pull-type structure disposed in the main body box. The back board is fixed on a side of a panel of the main body box, and the circuit board includes a main board and a hard disk. A board, each of which is plugged into the backplane, the backboard including a power connector female exposed to the main body.
The digital equipment industrial control platform of claim 1 wherein said circuit board further comprises an expansion board for implementing customized extended functionality.
The digital equipment industrial control platform according to claim 1, further comprising a support frame for fixing said main control unit and said power supply box, said power supply box forming a sliding connection with said support frame, said main a locking member is disposed on the control box and the power box, and the supporting frame is provided with a engaging portion that cooperates with the engaging member, and the main control unit and the power box are engaged with the supporting frame through the engaging member; The back plate is fixed to the inside of the panel on the back of the main body cabinet.
The digital equipment industrial control platform according to claim 3, wherein the support frame comprises a supporting back plate and a supporting side plate perpendicularly connected to an edge of the supporting back plate, wherein the engaging portion is a self-supporting side plate edge An engaging groove extending to a middle portion of the supporting side plate, wherein the supporting back plate is provided with a sliding rail, and a sliding groove is formed on the side panel of the power supply box to form a sliding connection with the sliding rail.
The digital equipment industrial control platform according to claim 4, wherein the power box further comprises a wrench, and the wrench is rotatably connected to the power box through a rotating shaft fixed to the back of the power box. When the engaging member of the power box is engaged in the engaging groove, the wrench abuts against the supporting side plate, and the contact line formed by the abutting is perpendicular to the projection of the sliding rail on the supporting side plate.
The digital equipment industrial control platform according to claim 1, wherein a guide groove is arranged inside the panel on both sides of the main body, and the circuit board slides in the guide groove when being pulled.
The digital equipment industrial control platform according to claim 1, wherein

The main board is covered with a passive heat sink, the main body box is opened on a side opposite to the female connector of the power connector to expose the heat sink, and the main board is installed with a heat sink when being installed into the main body box. One side of the main body of the main body is provided with a resilient protrusion; or

The power source is covered with a passive heat sink, and the power box opens a window on a side opposite to the male connector of the power connector to expose the passive heat sink.
The digital equipment industrial control platform according to any one of claims 1-7, further comprising an expansion box disposed between the power box and the main control unit, the expansion box comprising an expansion box and a bottom plate, The bottom plate is fixed to the inner side of the panel on one side of the expansion box, and the bottom plate includes an expansion card slot for plugging a standard expansion card, a power connector male connector, a power connector female connector, and a data signal connector male connector. The power connector female connector of the expansion box is disposed on a side connected to the power box, and the power connector male connector and the data signal connector male connector of the expansion box are disposed on a side connected to the main controller.
The digital equipment industrial control platform according to claim 8, further comprising a support frame for fixing said main control unit, an expansion box and a power supply box, said power supply box and expansion case forming said support frame Sliding connection, the main control unit, the expansion box and the power box are provided with engaging members, and the supporting frame is provided with a engaging portion matched with the engaging member, and the main control unit, the expansion box and the power box are engaged The back plate is fastened to the inner side of the panel on the back side of the main body case.
The digital equipment industrial control platform according to claim 9, wherein said branch The bracket comprises a supporting backboard and a supporting side panel perpendicularly connected to an edge of the supporting backboard, the engaging portion comprising three engaging slots extending from the edge of the supporting side panel to a middle of the supporting side panel, each engaging The slot is matched with a latching member, and the supporting backing plate is provided with a sliding rail, and a side surface of the expansion box body and a side panel of the power box body are provided with a sliding slot that cooperates with the sliding rail to form a sliding connection. .
The digital equipment industrial control platform according to claim 10, wherein the power box and the expansion box each comprise a wrench, and the wrench of the power box is rotatably connected to the power box through a rotating shaft fixed on the back of the power box, the expansion box The wrench is rotatably connected to the expansion box by a rotating shaft fixed to the back of the expansion box, and the wrench of the power box and the expansion box abuts against the supporting side plate when the engaging member of the power box and the expansion box are engaged with the supporting side plate, and the abutting is formed. The contact lines are perpendicular to the projection of the slide rail on the support side plate, and the support side plate at the position of the engagement groove at the middle of the three engagement grooves is provided with an opening for the wrench to extend into, and thus support the side plate Abut.
The digital equipment industrial control platform according to claim 8, wherein the bottom plate is provided with a slot for plugging the adapter board, and the power connector male connector and the data signal connector male connector of the bottom plate are provided. On the transfer board.