CN205159169U - Novel physics keyboard safety protection device - Google Patents
Novel physics keyboard safety protection device Download PDFInfo
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- CN205159169U CN205159169U CN201520893451.2U CN201520893451U CN205159169U CN 205159169 U CN205159169 U CN 205159169U CN 201520893451 U CN201520893451 U CN 201520893451U CN 205159169 U CN205159169 U CN 205159169U
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Abstract
The utility model relates to a novel physics keyboard safety protection device is provided with a compound protective layer between its button and the snap dome, compound protective layer contains protective layer, the first line layer, flexible parent metal layer, the second line layer, lower protection layer, thin layer and glue layer, it sets up in flexible parent metal layer top edge bottom the support button to go up the protective layer, the first line layer and the second line layer set up in the surface on flexible parent metal layer, lower protection layer sets up in flexible parent metal layer below, the thin layer sets up in the lower protection layer below, the glue layer sets up in order to paste on the PCB board below the thin layer, the position of going up the corresponding button of protective layer, the first line layer, flexible parent metal layer, the second line layer and lower protection layer is provided with the opening, button bottom center just is located above the thin layer in stretching into the opening. The button directly through thin layer and glue layer contact snap dome, not only plays protection snap dome's effect, improves feeling of button moreover.
Description
Technical field
The utility model relates to the keyboard operator guards of financial payment equipment, particularly a kind of Novel physical keyboard safety protection device.
Background technology
At present, the key board of the electronic equipment such as all kinds of POS, code keypad in financial payment field is as the main path inputting sensitive information, and the safeguard protection of keyboard seems particularly important.Existing a kind of keyboard protection arrangement is on the golden finger of pcb board, paste the keyboard baffle covering and have sandwich construction; a protective circuit is provided with in this keyboard baffle; this keyboard baffle is provided with the electric connecting point connecting protective circuit and pcb board tamper-evident point, this keyboard baffle is pasted with the young sheet of metal pan of corresponding golden finger position.When button is pressed, the Internal and external cycle of pot young sheet conducting golden finger, makes systems axiol-ogy press to button; But due to the sandwich construction of keyboard baffle, the young sheet of pot is upspring and can be subject to more resistance, causes handfeel of keys not obvious.Handfeel of keys is not obvious connect by when will likely cause using the sensitive informations such as key-press input PIN or leak by, cause inputing by mistake password, even card number is frozen.
Utility model content
In view of the deficiencies in the prior art, technical problem to be solved in the utility model is to provide simple, the safe and reliable and Novel physical keyboard safety protection device that handfeel of keys is good of a kind of modern design, structure.
In order to solve the problem, the technical solution of the utility model is: a kind of Novel physical keyboard safety protection device, comprise the young sheet of pot corresponding to pcb board golden finger position, button is provided with above the young sheet of described pot, a composite protection layer is provided with between described button and the young sheet of pot, described composite protection layer comprises up-protective layer, first line layer, flexible substrate layer, second line layer, lower protective layer, thin layer and glue layer, described up-protective layer is arranged at above flexible substrate layer with support keys bottom margin, described first line layer and the second line layer are arranged at the upper and lower surface of flexible substrate layer respectively or are set in turn in the lower surface of flexible substrate layer, described lower protective layer is arranged at below flexible substrate layer, described thin layer is arranged at below lower protective layer, described glue layer is arranged at below thin layer to paste on pcb board, described up-protective layer, first line layer, flexible substrate layer, the position of the second line layer and the corresponding button of lower protective layer is provided with opening, described button bottom centre to stretch in opening and is positioned at above thin layer.
Further, described composite protection layer is provided with the electric connecting point for first line layer and the second line layer being connected electrically to respectively pcb board tamper-evident point, and described opening is not opened in the electric connecting point position of first line layer and the second line layer.
Further, the size of described opening is less than the young sheet of pot.
Further, described first line layer and the second line layer are MESH line layer.
Further, described flexible substrate layer is PET base material layer.
Compared with prior art, the utility model has following beneficial effect: (1) by arranging two line layers on the surface of flexible substrate layer, tamper-evident point on pcb board can be connected to by electric connecting point at the line layer that presses of machine shell, when assailant attempts to open shell attack keyboard and inside, electric connecting point will be made to lose pressure, thus be separated with the tamper-evident point on pcb board, testing circuit disconnects, triggering secure mechanism is to wipe inner sensitive information, safe and reliable; (2) by arranging opening at the position of the corresponding button of up-protective layer, first line layer, flexible substrate layer, the second line layer and lower protective layer; button is made not contact the young sheet of pot by flexible substrate layer, two line layers and two protective layers; but directly contact the young sheet of pot by thin layer with glue layer; not only play the effect of the young sheet of protection pot, and improve the feel of button.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of the utility model embodiment one.
Fig. 2 is the scheme of installation of the utility model embodiment two.
In figure: 100-PCB plate, 110-golden finger, 300-button; 310-annular brace pin, 320-presses compression leg, the young sheet of 400-pot; 600-composite protection layer, 610-flexible substrate layer, 620-first line layer; 630-second line layer; 640-up-protective layer, 650-lower protective layer, 660-thin layer; 670-glue layer, 700-opening.
Embodiment
In order to allow above-mentioned feature and advantage of the present utility model become apparent, special embodiment below, and coordinate accompanying drawing, be described in detail below.
embodiment one:as shown in Figure 1, a kind of Novel physical keyboard safety protection device, comprise the young sheet 400 of pot corresponding to pcb board 100 golden finger 110 position, button 300 is provided with above the young sheet 400 of described pot, a composite protection layer 600 is provided with between described button 300 and the young sheet 400 of pot, described composite protection layer 600 comprises up-protective layer 640, first line layer 620, flexible substrate layer 610, second line layer 630, lower protective layer 650, thin layer 660 and glue layer 670, described up-protective layer 640 is arranged at above flexible substrate layer 610 with support keys 300 bottom margin, described first line layer 620 and the second line layer 630 are arranged at the upper and lower surface of flexible substrate layer 610 respectively, described lower protective layer 650 is arranged at below flexible substrate layer 610, described thin layer 660 is arranged at below lower protective layer 650, described glue layer 670 is arranged at below thin layer 660 to paste on pcb board 100, described up-protective layer 640, first line layer 620, flexible substrate layer 610, the position of the second line layer 630 and the corresponding button 300 of lower protective layer 650 is provided with opening 700, described button 300 bottom centre to stretch in opening 700 and is positioned at above thin layer 660.
embodiment two:as shown in Figure 2, a kind of Novel physical keyboard safety protection device, comprise the young sheet 400 of pot corresponding to pcb board 100 golden finger 110 position, button 300 is provided with above the young sheet 400 of described pot, a composite protection layer 600 is provided with between described button 300 and the young sheet 400 of pot, described composite protection layer 600 comprises up-protective layer 640, first line layer 620, flexible substrate layer 610, second line layer 630, lower protective layer 650, thin layer 660 and glue layer 670, described up-protective layer 640 is arranged at above flexible substrate layer 610 with support keys 300 bottom margin, described first line layer 620 and the second line layer 630 are set in turn in the lower surface of flexible substrate layer 610, described lower protective layer 650 is arranged at below flexible substrate layer 610, described thin layer 660 is arranged at below lower protective layer 650, described glue layer 670 is arranged at below thin layer 660 to paste on pcb board 100, described up-protective layer 640, first line layer 620, flexible substrate layer 610, the position of the second line layer 630 and the corresponding button 300 of lower protective layer 650 is provided with opening 700, described button 300 bottom centre to stretch in opening 700 and is positioned at above thin layer 660.
In above-mentioned two embodiments; described composite protection layer 600 is provided with the electric connecting point for first line layer 620 and the second line layer 630 being connected electrically to respectively pcb board 100 tamper-evident point; described opening 700 is not opened in the electric connecting point position of first line layer 620 and the second line layer 630; namely electric connecting point is away from opening 700 place, attacks to avoid external short circuit.
In above-mentioned two embodiments, the size of described opening 700 is less than the young sheet 400 of pot, little 0.5mm ~ the 3mm of diameter of the diameter sheet 400 younger than circular pot of such as circular open 700, avoid the golden finger 110 exposing pcb board 100, during installation, young sheet 400 top of pot heads in opening 700 across glue layer 670 and thin layer 660.
In above-mentioned two embodiments, described button 300 bottom margin is provided with annular brace pin 310, and described annular brace pin 310 contacts with up-protective layer 640; Described button 300 bottom centre is provided with by compression leg 320, describedly to stretch in opening 700 by compression leg 320 and is positioned at above thin layer 660.
In above-mentioned two embodiments, described flexible substrate layer 610 is transparent PET base material layer.Described first line layer 620 and the second line layer 630 are MESH line layer, and described MESH line layer can be the surface being printed in flexible substrate layer 610.
Because up-protective layer 640, first line layer 620, flexible substrate layer 610, second line layer 630 and lower protective layer 650 all eliminate the portion of material of young sheet 400 position of corresponding pot; namely carried out opening 700 to process; therefore button 300 need not contact the young sheet 400 of pot by up-protective layer 640, first line layer 620, flexible substrate layer 610, second line layer 630 with lower protective layer 650; but contact the young sheet 400 of pot by thin layer 660 with glue layer 670; not only play the effect of the young sheet 400 of protection pot, and improve the feel of button 300.
The utility model is not limited to above-mentioned preferred forms, and anyone can draw other various forms of Novel physical keyboard safety protection device under enlightenment of the present utility model.All equalizations done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (5)
1. a Novel physical keyboard safety protection device, comprise the young sheet of pot corresponding to pcb board golden finger position, button is provided with above the young sheet of described pot, it is characterized in that: between described button and the young sheet of pot, be provided with a composite protection layer, described composite protection layer comprises up-protective layer, first line layer, flexible substrate layer, second line layer, lower protective layer, thin layer and glue layer, described up-protective layer is arranged at above flexible substrate layer with support keys bottom margin, described first line layer and the second line layer are arranged at the upper and lower surface of flexible substrate layer respectively or are set in turn in the lower surface of flexible substrate layer, described lower protective layer is arranged at below flexible substrate layer, described thin layer is arranged at below lower protective layer, described glue layer is arranged at below thin layer to paste on pcb board, described up-protective layer, first line layer, flexible substrate layer, the position of the second line layer and the corresponding button of lower protective layer is provided with opening, described button bottom centre to stretch in opening and is positioned at above thin layer.
2. Novel physical keyboard safety protection device according to claim 1; it is characterized in that: described composite protection layer is provided with the electric connecting point for first line layer and the second line layer being connected electrically to respectively pcb board tamper-evident point, and described opening is not opened in the electric connecting point position of first line layer and the second line layer.
3. Novel physical keyboard safety protection device according to claim 1 and 2, is characterized in that: the size of described opening is less than the young sheet of pot.
4. Novel physical keyboard safety protection device according to claim 1 and 2, is characterized in that: described first line layer and the second line layer are MESH line layer.
5. Novel physical keyboard safety protection device according to claim 1 and 2, is characterized in that: described flexible substrate layer is PET base material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520893451.2U CN205159169U (en) | 2015-11-11 | 2015-11-11 | Novel physics keyboard safety protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520893451.2U CN205159169U (en) | 2015-11-11 | 2015-11-11 | Novel physics keyboard safety protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205159169U true CN205159169U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520893451.2U Active CN205159169U (en) | 2015-11-11 | 2015-11-11 | Novel physics keyboard safety protection device |
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| Country | Link |
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| CN (1) | CN205159169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019041258A1 (en) * | 2017-08-31 | 2019-03-07 | 海能达通信股份有限公司 | Toggle key switch device and electronic apparatus thereof |
-
2015
- 2015-11-11 CN CN201520893451.2U patent/CN205159169U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019041258A1 (en) * | 2017-08-31 | 2019-03-07 | 海能达通信股份有限公司 | Toggle key switch device and electronic apparatus thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |