CN207965603U - A kind of PLC interface control device - Google Patents

Abstract

The utility model provides a kind of PLC interface control device, including circuit board, upper box, lower box, protective shell；Protective shell is internally provided with groove, and the edge of circuit board is placed in groove, and upper box is placed in above protective shell, and lower box is placed in below protective shell；Circuit board is divided into the subregion of upper, middle and lower three, and upper subregion is equipped with input winding displacement, output winding displacement and power interface；Middle subregion is equipped with relay, motor, potentiometer, buzzer, charactron, indicator light and dial gauge；Lower subregion is equipped with 12 waypoints and moves button and 12 road toggle switch buttons；Button pushing device is additionally provided on crawl button, button pushing device is placed in the key opening on upper box.A kind of PLC interface control device described in the utility model, it is simple in structure, easily operated, it is more suitable for teaching and uses.

Description

A kind of PLC interface control device

Technical field

The utility model belongs to PLC Practical training equipment technical fields, more particularly, to a kind of PLC interface control device.

Background technology

PLC Practical training equipments are the experimental facilities that automation, On Electro-mechanics Integration Major course configure extensively, in culture from affairs that should be kept secret The workmanship such as use, repair, management and the design of electric equipment, applied talent play an important role in the middle.PLC real trainings are set It is standby that the practices such as PLC application expertises real training, electrical equipment O＆M can be provided.For such equipment in the extensive of universities Service condition, and PLC is frequent as the core cell cable dismounting of such Practical training equipment, leads to its interface spoilage height, repair Replacement cost is high, the raising of scale development and quality of instruction when constraining Practical Courses, therefore plain type PLC interface control device exists Religion instrument field is generally used.The device has the characteristics that at low cost, reproducibility is high, using flexible is convenient, all kinds of Universities and colleges, training organization are widely used.The use of such equipment realize experimental real-training class, Course Exercise it is two-in-one, accomplish A tractor serves several purposes, resources effective utilization.

But there are still deficiencies as teaching aid should fully ensure the safety that student uses for existing PLC interface device Property and ease for operation, so needing to develop a kind of suitable PLC interface device used of imparting knowledge to students.

Utility model content

In view of this, the utility model is directed to a kind of PLC interface control device, to promote PLC actual training devices just Profit.

In order to achieve the above objectives, the technical solution of the utility model is realized in：

A kind of PLC interface control device, including：Circuit board, upper box, lower box, protective shell, Quick release；The protection Shell is internally provided with groove, and the edge of circuit board is placed in groove, and the upper box is placed in above protective shell, and lower box is placed in Below protective shell；The left and right ends of the protective shell are equipped with connecting hole, are also set in the relative position of upper box and lower box There is connecting hole；There are two the Quick release is total, it is inserted into connecting hole respectively；The Quick release can realize the quick of the present apparatus Dismounting facilitates all parts split in teaching process in the explanation present apparatus；In the front and rear surfaces and protective shell of upper box Catching groove is equipped in front and rear surfaces, the catching groove can facilitate the pickup after present apparatus dismounting；The circuit board is divided into upper, middle and lower The left part of three subregions, upper subregion is equipped with input winding displacement, and the middle part of upper subregion is equipped with output winding displacement, and the right part of upper subregion is equipped with electricity Source interface；Middle subregion is equipped with relay, motor, potentiometer, buzzer, charactron, indicator light and dial gauge, the relay It is adjacently arranged in the middle part of middle subregion with motor, the potentiometer, buzzer, charactron, indicator light and dial gauge are scattered arrangement Around relay and motor；Lower subregion is equipped with 12 waypoints and moves button and 12 road toggle switch buttons；The input of PL Port moves button with potentiometer, 12 waypoints by the input winding displacement and 12 road toggle switch buttons are connected, the output of PLC Port is connected by the output winding displacement with relay, motor, buzzer, charactron, indicator light and dial gauge；On circuit boards The subregion for being inputted and being exported is conducive to practical operation, while being conducive to the explanation in teaching process；In the top surface of upper box The functional areas of upper, middle and lower three are equipped with, the position of three functional areas is corresponding with upper, middle and lower subregion respectively, in upper, middle and lower The opening for facilitating the electric elements on circuit board to be connect with the external world is equipped on functional areas.

Further, button pushing device is additionally provided on the crawl button, the button that the button pushing device is placed on upper box is opened In mouthful, button pushing device energy effective protection crawl button and the effective input for ensuring crawl button；The button pushing device includes key box, key Cap, key axis, shrapnel and baffle；The top of the key box is equipped with square opening, and the bottom of key box is equipped with round hole, button Box is internally provided with positioning pipe, and fixed bin, one end of the positioning pipe and the bottom of key box are additionally provided with below key box Inner wall is connected, the top of the fixed bin and the bottom Joint of key box, and the bottom of fixed bin connects crawl button；The key Axis is placed in inside key box, and key axis is equipped with baffle, and the key axis above the baffle is prism, and the key axis below baffle is circle Column, the upper end of the key axis are pierced by square opening and are connected with the keycap outside key box, and the lower end of key axis is inserted into positioning pipe；It is keeping off Spring is equipped between plate and the inner wall bottom surface of button pushing device, the spring can be such that key axis is bounced rapidly after completing push action；Institute Shrapnel is stated to be spring steel plate of the thickness less than 0.1mm and be horizontally placed on inside key box, one end of shrapnel and key box The free end of side wall Joint, shrapnel is equipped with taper section, on the baffle at position corresponding with shrapnel free end Equipped with taper section；When button pushing device executes push action, key axis is axially downward, and spring enters compressive state, baffle The pressing feedback that shrapnel is formed to finger is stirred to realize in crawl button then by the button of key axis bottom pressing crawl button The connection of portion's circuit, after unclamping finger, key axis will rapidly be bounced by the elastic force of spring, avoid the formation of company's point of crawl button； Pressing feedback between shrapnel and baffle can play suggesting effect when student operates, and be conducive to student to PLC program typing Memory is strengthened.

Further, the baffle is higher 2mm than the shrapnel in button pushing device free state, and the bottom surface of the key axis is being pressed Apart from crawl button 3mm when key device free state；During pressing keys device, the key stroke of preceding 3mm can only trigger gear The pressing of plate and shrapnel is fed back, and could be pressed crawl button after pressing 3mm；The key stroke of paragraph type can give student There are think times, are conducive to the progress of teaching process.

Further, screening glass is additionally provided at the top of the key box, the screening glass can prevent the excessively pushing of key axis from leading Cause the damage of crawl button.

Further, the circuit board uses double-sided printing form, and signal wire and power cord are isolated, can guarantee control The order of system, while avoiding circuit misconnection.

Further, the upper and lower surface of the protective shell is equipped with soft rubber cushion, the soft rubber cushion can enhance upper and lower box with The tight ness rating of protective shell connection, while soft rubber cushion can also prevent dust from entering from the connecting portion of the present apparatus.

Further, the bottom surface of the lower box is equipped with anti-skidding adhesive tape, and the anti-skidding adhesive tape can guarantee the steady of the present apparatus It places.

Further, the display output of the charactron is realized by the light on and off of eight sections of LED light.

Further, the power interface is aviation socket, and the reliability of present apparatus circuit can be effectively ensured.

Compared with the existing technology, a kind of PLC interface control device described in the utility model has the advantage that：

A kind of PLC interface control device described in the utility model, it is simple in structure easy to use, it is more suitable for teaching and uses； The present apparatus is realized by Quick release and is assembled, and the dismounting in teaching process is facilitated to explain；The present apparatus is equipped with button on crawl button Device is conducive to student's operation and student memory；The present apparatus carries out printed on both sides and function division to circuit board, can more reasonably send out Wave circuit effect.

Description of the drawings

The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model. In attached drawing：

Fig. 1 is the trimetric drawing of the utility model；

Fig. 2 is the cut-away illustration of the utility model；

Fig. 3 is the button pushing device schematic diagram of the utility model；

Fig. 4 is the button pushing device free state perspective view of the utility model；

Fig. 5 is the button pushing device pressing state perspective view of the utility model；

Fig. 6 is the circuit board PCB schematic diagrames of the utility model；

Fig. 7 is the electrical connection schematic diagram of the utility model；

Fig. 8 is the output control schematic diagram of the utility model.

Reference sign：

1- upper boxes；11- catching grooves；2- protective shells；3- lower boxes；The anti-skidding adhesive tape of 31-；4- Quick releases；5- soft rubber cushions；6- electricity Road plate；The upper subregions of 61-；611- inputs winding displacement；612- exports winding displacement；613- power interfaces；Subregion in 62-；621- motors；622- Relay；623- charactrons；Subregion under 63-；631- toggle switch buttons；632- crawl buttons；71- key box；711- is positioned Pipe；712- screening glass；72- key axis；73- keycaps；74- baffles；75- shrapnels；76- springs；77- fixed bins.

Specific implementation mode

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more this feature.It is in the description of the present invention, unless another It is described, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State the concrete meaning of term in the present invention.

The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

As depicted in figs. 1 and 2, a kind of PLC interface control device, including：Circuit board 6, upper box 1, lower box 3, protection Shell 2, Quick release 4；Protective shell 2 is internally provided with groove, and the edge of circuit board 6 is placed in groove, and upper box 1 is placed in protective shell 2 tops, lower box 3 are placed in 2 lower section of protective shell, and the upper and lower surface of protective shell 2 is equipped with soft rubber cushion 5, and soft rubber cushion 5 can enhance up and down The tight ness rating that babinet 3 is connect with protective shell 2, while soft rubber cushion 5 can also prevent dust from entering from the connecting portion of the present apparatus；Protection The left and right ends of shell 2 are equipped with connecting hole, and connecting hole also is provided in the relative position of upper box 1 and lower box 3；Quick release 4 There are two altogether, it is inserted into connecting hole respectively；Quick release 4 can realize the fast quick-detach of the present apparatus, facilitate in teaching process Split all parts in the explanation present apparatus；It is equipped with catching groove in the front and rear surfaces of upper box 1 and the front and rear surfaces of protective shell 2 11, catching groove 11 can facilitate the pickup after present apparatus dismounting；The bottom surface of lower box 3 is equipped with anti-skidding adhesive tape 31, and anti-skidding adhesive tape 31 can protect Demonstrate,prove the steady placement of the present apparatus；The functional areas of upper, middle and lower three, the position point of three functional areas are equipped on the top surface of upper box 1 It is not corresponding with upper, middle and lower subregion, electric elements and the external world facilitated on circuit board 6 is equipped on the functional areas of upper, middle and lower The opening of connection；Button pushing device is additionally provided on crawl button 632, button pushing device is placed in the key opening on upper box 1, button pushing device Energy effective protection crawl button 632 and the effective input for ensuring crawl button 632.

As shown in Fig. 3, Fig. 4 and Fig. 5, button pushing device includes key box 71, keycap 73, key axis 72, shrapnel 75 and baffle 74；It presses The top of key box 71 is equipped with square opening, and the bottom of key box 71 is equipped with round hole, and key box 71 is internally provided with positioning pipe 711, it is additionally provided with fixed bin 77 in the lower section of key box 71, one end of positioning pipe 711 is connected with the bottom interior wall of key box 71, Gu Determine the top of box 77 and the bottom Joint of key box 71, the bottom connection crawl button 632 of fixed bin 77；The top of key box 71 Portion is additionally provided with screening glass 712, and screening glass 712 can prevent key axis 72 from excessively pushing the damage for leading to crawl button 632；Key axis 72 is set Inside key box 71, key axis 72 is equipped with baffle 74, and the key axis 72 of 74 top of baffle is prism, the key axis 72 of 74 lower section of baffle For cylinder, the upper end of key axis 72 is pierced by square opening and is connected with the keycap 73 outside key box 71, and positioning is inserted into the lower end of key axis 72 In pipe 711；Spring 76 is equipped between baffle 74 and the inner wall bottom surface of button pushing device, spring 76 can make key axis 72 complete to press to press It is bounced rapidly after work；Shrapnel 75 is spring steel plate of the thickness less than 0.1mm and is horizontally placed on inside key box 71, shrapnel 75 One end and key box 71 side wall Joint, the free end of shrapnel 75 is equipped with taper section, on baffle 74 with shrapnel 75 from By holding corresponding position also to be provided with taper section；Baffle 74 is in button pushing device free state than 75 high two millimeters of shrapnel, key The bottom surface of axis 72 is in button pushing device free state apart from 632 3 millimeters of crawl button；During pressing keys device, first three milli The key stroke of rice can only trigger baffle 74 and the pressing of shrapnel 75 is fed back, could be to crawl button 632 after three millimeters of pressing It is pressed；The key stroke of paragraph type can give student, and there are think times, are conducive to the progress of teaching process；When button pushing device is held When row push action, key axis 72 is axially downward, and spring 76 enters compressive state, and baffle 74 stirs shrapnel 75 and forms opponent The pressing of finger is fed back, and then by the button of 72 bottom of key axis pressing crawl button 632, realizes 632 internal circuit of crawl button Connection, after unclamping finger, key axis 72 will rapidly be bounced by the elastic force of spring 76, avoid the formation of company's point of crawl button 632；Bullet Pressing feedback between piece 75 and baffle 74 can play suggesting effect when student operates, and be conducive to student to PLC program typing Memory strengthen.

Fig. 4 and Fig. 5 respectively shows structure change of the button pushing device under different conditions, helps to manage its structure Solution.

As shown in fig. 6, circuit board 6 uses double-sided printing form, signal wire and power cord are isolated, can guarantee control Order, while avoiding circuit misconnection；It is divided into the subregion of upper, middle and lower three on circuit board 6, the left part of upper subregion 61 is equipped with Winding displacement 611 is inputted, the middle part of upper subregion 61 is equipped with output winding displacement 612, and the right part of upper subregion 61 is equipped with power interface 613, power supply Interface 613 is aviation socket, and the reliability of present apparatus circuit can be effectively ensured；Middle subregion 62 is equipped with relay 622, motor 621, potentiometer, buzzer, charactron 623, indicator light and dial gauge, relay 622 and motor 621 are adjacently arranged in middle subregion 62 middle part, potentiometer, buzzer, charactron 623, indicator light and dial gauge, which are scattered, is arranged in relay 622 and motor 621 Around；Lower subregion 63 is equipped with 12 waypoints and moves 632 and 12 road toggle switch button 631 of button；The input port of PLC passes through Input winding displacement 611 moves 632 and 12 road toggle switch button 631 of button with potentiometer, 12 waypoints and is connected, the output end of PLC Mouth is connected by exporting winding displacement 612 with relay 622, motor 621, buzzer, charactron 623, indicator light and dial gauge；In electricity The subregion for being inputted and being exported on road plate 6 is conducive to practical operation, while being conducive to the explanation in teaching process；Charactron 623 display output is realized by the light on and off of eight sections of LED light.

Fig. 7 and Fig. 8 is used to illustrate the composition of electric connection mode and member control circuit in the present apparatus.

Power interface is GX-16 in the present embodiment, and it is 34P self-locking ox horns to connect input winding displacement used with output winding displacement Holder structure, crawl button are 12*12*7.3 touch-switch, and toggle switch button is MTS-102, relay HK19F-DC 24V, motor are DC24V types, and charactron XSM-S8016A, potentiometer is 103 horizontal potentiometers of TELESKY, and indicator light is 0805 paster LED lamps of Risym, buzzer TMB12A05, dial gauge are that tri- line numbers of YB27 show table.The structure of above equipment Be connected as big well known, therefore do not repeat herein.

Before start-up operation, by data line, the input port of PLC is connected to the input winding displacement 611 of the present apparatus, by PLC's Output port connects the output winding displacement 612 of the present apparatus, while power supply is connected to power interface 613, can then start to work.

The present apparatus is used as PLC input signals by crawl button 632, toggle switch button 631 and potentiometer, passes through instruction Table, buzzer, relay 622, motor 621, indicator light, charactron 623 simulate controlled device, can carry out simple PLC and refer to Practice, color light control, DC motor positive and negative rotation control, simulation Y- Δ changing-overs is enabled to start the common realities such as control, step motor control It tests, facilitates teaching and student's simulated training；The analog input signal that potentiometer obtains, can be by one by resistance series voltage stabilizing The 10V regulator circuits that pipe is formed are expressed, and are finally shown on dial gauge；2 PLC outputs inside the present apparatus Point is acted for controlling relay 622, is passed through to control the different actions of relay 622 motor 621 can be achieved and be powered the cutting of direction It changes, the final control for realizing 621 positive and negative rotation of motor operation.

The present apparatus can also be dismantled by Quick release 4 simultaneously, and the independent explanation of all parts is carried out to student.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection domain within.

Claims (9)

1. a kind of PLC interface control device, it is characterised in that：Including circuit board (6), upper box (1), lower box (3), protective shell (2), Quick release (4)；The protective shell (2) is internally provided with groove, and the edge of circuit board (6) is placed in groove, it is described on Babinet (1) is placed in above protective shell (2), and lower box (3) is placed in below protective shell (2)；The left and right ends of the protective shell (2) are equal Equipped with connecting hole, connecting hole also is provided in the relative position of upper box (1) and lower box (3)；The Quick release (4) shares two It is a, it is inserted into connecting hole respectively；It is equipped with catching groove in the front and rear surfaces of upper box (1) and the front and rear surfaces of protective shell (2) (11)；The circuit board (6) is divided into the subregion of upper, middle and lower three, and the left part of upper subregion (61) is equipped with input winding displacement (611), upper to divide The middle part in area (61) is equipped with output winding displacement (612), and the right part of upper subregion (61) is equipped with power interface (613)；On middle subregion (62) Equipped with relay (622), motor (621), potentiometer, buzzer, charactron (623), indicator light and dial gauge, the relay (622) and motor (621) is adjacently arranged in the middle parts of middle subregion (62), the potentiometer, buzzer, charactron (623), instruction Lamp and dial gauge, which are scattered, to be arranged in around relay (622) and motor (621)；Lower subregion (63) is moved equipped with 12 waypoints and is pressed Key (632) and 12 road toggle switch buttons (631)；The input port of PLC by the input winding displacement (611) and potentiometer, 12 waypoints move button (632) and are connected with 12 road toggle switch buttons (631), and the output port of PLC is arranged by the output Line (612) is connected with relay (622), motor (621), buzzer, charactron (623), indicator light and dial gauge；In upper box (1) top surface is equipped with the functional areas of upper, middle and lower three, and the position of three functional areas is corresponding with upper, middle and lower subregion respectively, The opening for facilitating the electric elements on circuit board (6) to be connect with the external world is equipped on the functional areas of upper, middle and lower.

2. a kind of PLC interface control device according to claim 1, it is characterised in that：On the crawl button (632) It is additionally provided with button pushing device, the button pushing device is placed in the key opening on upper box (1)；The button pushing device include key box (71), Keycap (73), key axis (72), shrapnel (75) and baffle (74)；The top of the key box (71) is equipped with square opening, key box (71) bottom is equipped with round hole, and key box (71) is internally provided with positioning pipe (711), is also set in the lower section of key box (71) There are fixed bin (77), one end of the positioning pipe (711) to be connected with the bottom interior wall of key box (71), the fixed bin (77) The bottom Joint at top and key box (71), the bottom connection crawl button (632) of fixed bin (77)；The key axis (72) is set Internal in key box (71), key axis (72) is equipped with baffle (74), and the key axis (72) above the baffle (74) is prism, baffle (74) the key axis (72) below is cylinder, and the upper end of the key axis (72) is pierced by square opening and the keycap of key box (71) outside (73) it is connected, the lower end of key axis (72) is inserted into positioning pipe (711)；It is equipped between baffle (74) and the inner wall bottom surface of button pushing device Spring (76)；The shrapnel (75) is spring steel plate of the thickness less than 0.1mm and is horizontally placed on key box (71) inside, bullet The free end of the side wall Joint of one end and key box (71) of piece (75), shrapnel (75) is equipped with taper section, in the baffle (74) on taper section also is provided at position corresponding with shrapnel (75) free end.

3. a kind of PLC interface control device according to claim 2, it is characterised in that：The baffle (74) is in button pushing device Higher 2mm than the shrapnel (75) when free state, the bottom surface of the key axis (72) is pressed in button pushing device free state apart from crawl Key (632) 3mm.

4. a kind of PLC interface control device according to claim 2, it is characterised in that：The top of the key box (71) It is additionally provided with screening glass (712).

5. a kind of PLC interface control device according to claim 1, it is characterised in that：The circuit board (6) is using two-sided Printing form, signal wire and power cord are isolated.

6. a kind of PLC interface control device according to claim 1, it is characterised in that：The upper following table of the protective shell (2) Face is equipped with soft rubber cushion (5).

7. a kind of PLC interface control device according to claim 1, it is characterised in that：The bottom surface of the lower box (3) is set There is anti-skidding adhesive tape (31).

8. a kind of PLC interface control device according to claim 1, it is characterised in that：The display of the charactron (623) Output is realized by the light on and off of eight sections of LED light.

9. a kind of PLC interface control device according to claim 1, it is characterised in that：The power interface (613) is boat Dummy receptacle.