DE202023104308U1 - Human-machine interface module - Google Patents

Abstract

Human-machine interface module, with
a circuit module (10) which can be installed on a frame (200) and is formed by stacking a first circuit board (11) and a second circuit board (12) in parallel, the first circuit board (11) being on the inside of the frame (200 ) is attached and the second circuit board (12) is attached behind the first circuit board (11), the first circuit board (11) being electrically connected to the second circuit board (12), on both sides of the first circuit board (11). a plurality of notches (111) are formed; a fastening part (20) which is fastened parallel in front of the first printed circuit board (11) and is provided on the front with a receiving recess (21), the two sides of the fastening part (20) corresponding to the notches (111) with several extending backwards Hooks (22) are provided, the hooks (22) being inserted into the notches (111) and being able to hook onto the first printed circuit board (11), so that the fastening part (20) is secured through the hooks (22) to the first printed circuit board ( 11) is fastened, with a plurality of projections (23) being provided on the back of the fastening part (20), which can rest on the first circuit board (11); and
a liquid crystal screen (30) which is housed in the receiving recess (21), the liquid crystal screen (30) and the first circuit board (11) being electrically connected via a ribbon cable (31).

Description

Technical area

The invention relates to a human-machine interface, in particular a human-machine interface module.

State of the art

With industrial automation, the human-machine interface is used in many devices and machines. The human-machine interface (HMI), also called the user interface (OI), has the main function of providing an interface between people and machines that understands the process (process) or mechanical state of the system, Can display alarm messages and other related information in text, numbers or graphics.

The human-machine interface can not only use buttons of different colors, sizes and appearances, switches and indicator lights to operate the equipment and display the operating status, such as: B. Turning the power on and off, but also supporting the description through a display (Flat Panel Display, FPD), so that the operator can better understand the necessary condition of the equipment or information can be sent to the operator for reference. The most commonly used display devices are LED screen (Light Emitting Display, LED) or liquid crystal display (LCD). The above buttons, switches, indicator lights or screens are integrated into a human-machine interface module.

In addition to making it easier to use and read, the design of the human-machine interface also has the task of reducing volume, simplifying assembly and increasing robustness.

For this reason, the inventor developed this invention based on his many years of experience in research in related technical fields.

Task of the invention

The object of the invention is to provide a human-machine interface module that has a small volume, easy assembly and good robustness.

This object is achieved by the human-machine interface module of the invention, with a circuit module that can be installed on a frame and is formed by parallel stacking a first circuit board and a second circuit board, the first circuit board being attached to the inside of the frame and the second circuit board is mounted behind the first circuit board, the first circuit board being electrically connected to the second circuit board, a plurality of notches being formed on both sides of the first circuit board; a fastening part which is fastened in parallel in front of the first circuit board and is provided with a receiving recess on the front, the two sides of the fastening part being provided with a plurality of hooks extending backwards corresponding to the notches, the hooks being inserted into the notches and on the can hook the first circuit board, so that the fastening part is fastened to the first circuit board by the hooks, with a plurality of projections being provided on the back of the fastening part, which can rest on the first circuit board; and a liquid crystal display housed in the receiving recess, the liquid crystal display and the first circuit board being electrically connected via a ribbon cable.

Brief description of the drawings

• 1 a perspective view of the preferred embodiment of the invention,
• 2 an exploded view of the preferred embodiment of the invention,
• 3 an exploded view from the other viewing direction of the preferred embodiment of the invention,
• 4 a sectional view of the preferred embodiment of the invention,
• 5 an exploded view with the frame of the preferred embodiment of the invention,
• 6 a perspective view with the frame of the preferred embodiment of the invention,
• 7 a sectional view with the frame of the preferred embodiment of the invention.

Ways of carrying out the invention

• ein Schaltungsmodul 10, das durch paralleles Stapeln einer ersten Leiterplatte 11 und einer zweiten Leiterplatte 12 gebildet ist, wobei die erste Leiterplatte 11 und die zweite Leiterplatte 12 durch mehrere Bolzen 13 verbunden werden, so dass die zweite Leiterplatte 12 hinter der ersten Leiterplatte 11 befestigt ist, wobei die erste Leiterplatte 11 elektrisch mit der zweiten Leiterplatte 12 verbunden ist, wobei an den beiden Seiten der ersten Leiterplatte 11 jeweils mehrere Kerben 111 gebildet sind, wobei mehrere Drucktasten 112 auf der ersten Leiterplatte 11 und mehrere Drehknöpfe 121 auf der zweiten Leiterplatte 12 angeordnet sind, wobei die erste Leiterplatte 11 an den Stellen der Drehknöpfe 121 mit Durchgangslöchern 113 versehen ist, so dass die Drehknöpfe 121 durch die Durchgangslöcher 113 hindurchgehen und auf der ersten Leiterplatte 11 freiliegen können;
• ein Befestigungsteil 20, das parallel vor der ersten Leiterplatte 11 befestigt ist und an der Frontseite mit einer Aufnahmeausnehmung 21 versehen ist, wobei die beiden Seiten des Befestigungsteils 20 entsprechend den Kerben 111 mit mehreren nach hinten erstreckenden Haken 22 versehen sind, wobei die Haken 22 in die Kerben 111 eingeführt werden und an der ersten Leiterplatte 11 haken können, so dass das Befestigungsteil 20 durch die Haken 22 an der ersten Leiterplatte 11 befestigt ist,
• wobei auf der Rückseite des Befestigungsteils 20 mehrere Vorsprünge 23 vorgesehen sind, die an der ersten Leiterplatte 11 anliegen können, wobei das Schaltungsmodul 10 weiterhin auf der Frontseite der ersten Leiterplatte eine erste Schutzscheibe 14 beinhaltet, wobei die erste Schutzscheibe 14 sich zwischen der ersten Leiterplatte 11 und dem Befestigungsteil 20 befindet, wobei von der oberen und unteren Seite der ersten Schutzscheibe 14 sich jeweils ein Seitenflügel 141 vertikal nach hinten erstreckt, wodurch diese Seitenflügel 141 auf der Oberseite und
• der Unterseite der ersten Leiterplatte 11 und der zweiten Leiterplatte 12 liegen, so dass die erste Schutzscheibe 14 eine isolierende Schutzwirkung für die Fronseite der ersten Leiterplatte 11 sowie die Oberseite und die Unterseite der ersten Leiterplatte 11 und der zweiten Leiterplatte 12 erzeugen kann, wobei das Befestigungsteil 20 an einer Seite mit einem Langloch 24 versehen ist und an der Außenseite des Langloches 24 einen Verstärkungsabschnitt 25 hat, wobei der Verstärkungsabschnitt 25 durch eine Vielzahl von Löchern gebildet ist, die nicht nur die Verschraubungssposition bieten können, sondern auch den Effekt haben, das Befestigungsteil 20 zu verstärken und zu schützen; und
• einen Flüssigkristallbildschirm 30, der in der Aufnahmeausnehmung 21 untergebracht ist, wobei der Flüssigkristallbildschirm 30 und die erste Leiterplatte 11 über ein Flachbandkabel 31 elektrisch verbunden sind, wobei ein Ende dieses Flachbandkabels 31 mit dem Flüssigkristallbildschirm 30 verbunden und das andere Ende des Flachbandkabels 31 durch das Langloch 24 hindurchgeführt und mit der Rückseite der ersten Leiterplatte 11 verbunden ist, wobei der Flüssigkristallbildschirm 30 an der Außenseite des Flachbandkabels 31 mit einer zweiten Schutzscheibe 32 versehen ist, wobei ein Ende der zweiten Schutzscheibe 32 parallel am Flachbandkabel 31 anliegt und das andere Ende vertikal gebogen und durch das Langloch 24 zum Schutz des Flachbandkabels 31 hindurchgeführt wird.

1 until 7 show a preferred embodiment of the human-machine interface module of the invention, comprising:

• a circuit module 10 formed by stacking in parallel a first circuit board 11 and a second circuit board 12, the first circuit board 11 and the second circuit board 12 can be connected by several bolts 13, so that the second circuit board 12 is fastened behind the first circuit board 11, the first circuit board 11 being electrically connected to the second circuit board 12, with several notches 111 being formed on both sides of the first circuit board 11 are, wherein a plurality of pushbuttons 112 are arranged on the first circuit board 11 and a plurality of rotary knobs 121 on the second circuit board 12, the first circuit board 11 being provided with through holes 113 at the locations of the rotary knobs 121, so that the rotary knobs 121 pass through the through holes 113 and may be exposed on the first circuit board 11;
• a fastening part 20, which is fastened in parallel in front of the first circuit board 11 and is provided on the front with a receiving recess 21, the two sides of the fastening part 20 being provided with a plurality of backwards extending hooks 22 corresponding to the notches 111, the hooks 22 being in the notches 111 are inserted and can hook on the first circuit board 11, so that the fastening part 20 is attached to the first circuit board 11 by the hooks 22,
• wherein on the back of the fastening part 20 a plurality of projections 23 are provided, which can rest on the first circuit board 11, the circuit module 10 further including a first protective pane 14 on the front side of the first circuit board, the first protective pane 14 being between the first circuit board 11 and the fastening part 20, with one side wing 141 extending vertically backwards from the upper and lower sides of the first protective pane 14, whereby these side wings 141 are on the top and
• the underside of the first circuit board 11 and the second circuit board 12 lie, so that the first protective pane 14 can generate an insulating protective effect for the front side of the first circuit board 11 as well as the top and the bottom of the first circuit board 11 and the second circuit board 12, the fastening part 20 is provided on one side with an elongated hole 24 and has a reinforcing section 25 on the outside of the elongated hole 24, the reinforcing section 25 being formed by a plurality of holes which can not only provide the screwing position, but also have the effect of securing the fastening part 20 to reinforce and protect; and
• a liquid crystal screen 30 which is housed in the receiving recess 21, the liquid crystal screen 30 and the first circuit board 11 being electrically connected via a ribbon cable 31, one end of this ribbon cable 31 being connected to the liquid crystal screen 30 and the other end of the ribbon cable 31 through the elongated hole 24 is passed through and connected to the back of the first circuit board 11, the liquid crystal screen 30 being provided with a second protective disk 32 on the outside of the ribbon cable 31, one end of the second protective disk 32 resting parallel to the ribbon cable 31 and the other end bent vertically and is passed through the elongated hole 24 to protect the ribbon cable 31.

In order to better understand the structural features, the technical means and the expected effects, the use of the invention is described again below.

As in 5 until 7 shown, the invention is installed on a frame 200 in front of a power supply. The back of the frame 200 is provided with a plurality of threaded bushings 201, whereby the first circuit board 11 and the second circuit board 12 can be screwed to the threaded bushings 201 by the bolts 13, so that the circuit module 10 is attached to the back of the frame 200. In addition, the frame 200 is provided with an opening 202 corresponding to the liquid crystal screen 30. The frame 200 is provided with a plurality of push-button holes 203 and a plurality of push-button caps 204 corresponding to the push buttons 112. The frame 200 is provided with a plurality of knob holes 205 and knob caps 206 corresponding to the knobs 121. At the positions of the opening 202, the push button holes 203, the knob holes 205, a common protective film 207 is provided to protect and cover the liquid crystal panel. When the circuit module 10 is attached to the frame 200, the liquid crystal display 30 is just in the opening 202 and is aligned with the frame 200. The push buttons 112 pass through the push button holes 203. The knobs 121 pass through the knob holes 205. Finally, the protective film 207 is glued to the surface of the frame 200. In this way the assembly on the frame 200 is completed.

As can be seen from the above description, in the invention, the screen, push buttons and knobs of the human-machine interface are all integrated on the circuit module 10. In addition, the volume of the circuit module 10 can be minimized by stacking the first circuit board 11 and the second circuit board 12 in parallel. In addition, the liquid crystal image Screen 30 can be reliably attached to the circuit module 10 by the fastening part 20 and the projections 23 on the back of the fastening part 20 and is aligned with the surface of the frame 200. It is not easy to loosen or dent. Therefore, the invention is not only small, but also offers the advantages of easy assembly and good robustness.

In summary, the invention has excellent progressive applicability in similar products. At the same time, no similar structure has been found in the technical data of the literature at home and abroad. Therefore, the invention already meets the requirements of a utility model and an application should be prepared in accordance with the legal provisions.

The above is just one of the better possible embodiments of the invention. Therefore, all equivalent structural changes made using the instructions of this invention and the scope of the patent application should be included within the scope of the patent of this invention.

Reference symbol list

10

Circuit module

11

first circuit board

111

score

112

Push button

113

through hole

12

second circuit board

121

Rotary knob

13

bolt

14

first protective screen

141

Side wings

20

Fastening part

21

receiving recess

22

Hook

23

head Start

24

Long hole

25

Reinforcement section

30

Liquid crystal screen

31

Ribbon cable

32

second protective screen

200

frame

201

Threaded bushing

202

opening

203

Push button hole

204

Push button cap

205

Rotary button hole

206

Knob cap

207

Protective film

Claims (7)

Human-machine interface module, with a circuit module (10) which can be installed on a frame (200) and is formed by stacking a first circuit board (11) and a second circuit board (12) in parallel, the first circuit board (11) being on the inside of the frame (200 ) is attached and the second circuit board (12) is attached behind the first circuit board (11), the first circuit board (11) being electrically connected to the second circuit board (12), on both sides of the first circuit board (11). a plurality of notches (111) are formed; a fastening part (20) which is fastened parallel in front of the first printed circuit board (11) and is provided on the front with a receiving recess (21), the two sides of the fastening part (20) corresponding to the notches (111) with several extending backwards Hooks (22) are provided, the hooks (22) being inserted into the notches (111) and being able to hook onto the first printed circuit board (11), so that the fastening part (20) is secured through the hooks (22) to the first printed circuit board ( 11) is fastened, with a plurality of projections (23) being provided on the back of the fastening part (20), which can rest on the first circuit board (11); and a liquid crystal screen (30) which is housed in the receiving recess (21), the liquid crystal screen (30) and the first circuit board (11) being electrically connected via a ribbon cable (31). Human-machine interface module Claim 1 , characterized in that the fastening part (20) is provided on one side with an elongated hole (24), one end of the ribbon cable (31) being connected to the liquid crystal screen (30) and the other end of the ribbon cable (31) passing through the elongated hole ( 24) is passed through and connected to the first circuit board (11). Human-machine interface module Claim 1 , characterized in that the circuit module (10) further includes a first protective pane (14) on the front side of the first circuit board, the first protective pane (14) being located between the first circuit board (11) and the fastening part (20), from the upper one and lower side of the first protective pane (14), a side wing (141) extends vertically backwards, whereby these side wings (141) lie on the top and bottom of the first circuit board (11) and the second circuit board (12). Human-machine interface module Claim 1 , characterized in that a plurality of pushbuttons (112) are arranged on the first circuit board (11) and a plurality of rotary knobs (121) on the second circuit board (12), the first circuit board (11) having through holes at the locations of the rotary knobs (121). (113) is provided so that the rotary knobs (121) pass through the through holes (113). Human-machine interface module Claim 1 , characterized in that a second protective disk (32) is provided on the outside of the ribbon cable (31), one end of the second protective disk (32) resting parallel to the ribbon cable (31) and the other end bent vertically and passed through the elongated hole (24 ) is passed through to protect the ribbon cable (31). Human-machine interface module Claim 1 , characterized in that the first circuit board (11) and the second circuit board (12) are attached to the frame (200) by several bolts (13). Human-machine interface module Claim 1 , characterized in that a reinforcing section (25) is provided on the outside of the elongated hole (24), the reinforcing section (25) being formed by a plurality of holes which can not only provide the screwing position, but also have the effect of To reinforce and protect the fastening part (20) and the ribbon cable (31).

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