CN207082187U - Touch-screen safeguard protection formula POS - Google Patents
Touch-screen safeguard protection formula POS Download PDFInfo
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- CN207082187U CN207082187U CN201721062062.0U CN201721062062U CN207082187U CN 207082187 U CN207082187 U CN 207082187U CN 201721062062 U CN201721062062 U CN 201721062062U CN 207082187 U CN207082187 U CN 207082187U
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- circuit board
- safeguard protection
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Abstract
The utility model provides a kind of touch-screen safeguard protection formula POS; including fore shell, screen, main circuit board and rear shell; screen includes display screen and the touch-screen on display screen; screen is provided with the flexible PCB of connection main circuit board; main circuit board is provided with the safety chip that sensitive information is wiped during with triggering security mechanism; there is the touch signal line of connection touch-screen in flexible PCB; flexible PCB is also equipped with touch chip in the one side of fore shell, and touch signal line is connected with touch chip.The utility model by touch chip by being arranged on flexible PCB in the one side of fore shell; when screen is arranged on fore shell; and flexible PCB with main circuit board when being connected; it can be coordinated by flexible PCB and fore shell and wrap touch chip; play a part of protecting touch chip, while greatly shorten the length of flexible PCB, improve the level of security of touch chip; touch chip encapsulation saves cost without limiting.
Description
Technical field
The utility model belongs to POS field, is to be related to a kind of touch-screen safeguard protection formula POS more specifically.
Background technology
POS (point of sales terminal) Chinese means " point of sale " that full name is point of sale information management
System, has cash or amount cashier's function of bartering.POS generally comprises fore shell, rear shell, the screen on fore shell and installation
Mainboard (also known as main circuit board) in fore shell；Rear shell is buckled on fore shell, casing structure is formed, to protect each electricity in POS
Sub- device.Screen includes display screen and the touch-screen on display screen, shows consumption information by display screen, passes through touch
Shield to receive input data.Flexible PCB is connected with screen, is electrical connected by flexible PCB and mainboard.And in order to protect
User information safety is protected, safety chip can be typically set in POS, when safety chip detects rogue attacks, peace can be triggered
Full mechanism, wipe key and other sensitive informations.And in order to protect user to input the safety of information, current is usually by touch-screen
Touch chip be arranged on the back side of flexible PCB, then flexible PCB is extended in the safety zone on mainboard, and
To prevent from detecting, touch chip needs to use BGA package (Ball Grid Array Package, BGA Package), causes
FPC is very long, processed complex, cost increase.
Utility model content
The purpose of this utility model is to provide a kind of touch-screen safeguard protection formula POS, to solve to deposit in the prior art
Touch chip Security mechanism realize the problem of complicated, with high costs.
To achieve the above object, the technical solution adopted in the utility model is：A kind of touch-screen safeguard protection formula POS is provided
Machine, including fore shell, the screen being installed on the fore shell, the main circuit board that is installed in the fore shell and it is fastened on the fore shell
On rear shell, the screen includes display screen and the touch-screen on the display screen, and the screen is provided with described in connection
The flexible PCB of main circuit board, the main circuit board are provided with the safe core that sensitive information is wiped during with triggering security mechanism
Piece, there is the touch signal line for connecting the touch-screen, the flexible PCB is close to the fore shell in the flexible PCB
One side on be also equipped with touch chip, the touch signal line is connected with the touch chip.
Further, the accommodating cavity of the accommodating touch chip is correspondingly offered on the fore shell, the touch chip is put
In the accommodating cavity.
Further, the back side of the touch chip is provided with stiffening plate.
Further, at least corresponded on the flexible PCB touch signal line position be provided with the first Mesh around
Line.
Further, covered with the first Mesh coilings on the flexible PCB.
Further, the first Mesh coilings are extended on the flexible PCB in the back side of the touch chip
Corresponding region.
Further, the flexible PCB is provided with joint, and the main circuit board is provided with terminal, the joint and institute
Terminal is stated to be connected.
Further, the connector of the electric connection joint and the connection terminal is included.
Further, in addition to Anti-dismantling switchs and detachably supported the supporting piece of the Anti-dismantling switch, the fore shell
The Anti-dismantling switch and the supporting piece are clamped with the mainboard.
Further, in addition to contact switch and the holding piece for detachably supporting the contact switch, the main circuit board
The contact switch and the holding piece are clamped with the rear shell.
The beneficial effect of touch-screen safeguard protection formula POS provided by the utility model is：Compared with prior art, originally
Utility model by the way that touch chip is arranged on into flexible PCB in the one side of fore shell, when screen be arranged on fore shell on, and
When flexible PCB is connected with main circuit board, it can be coordinated by flexible PCB and fore shell and wrap touch chip, play guarantor
The effect of touch chip is protected, while greatly shortens the length of flexible PCB, safety shield is simplified, improves touch-control
The level of security of chip, touch chip encapsulation save cost without limiting.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the touch-screen safeguard protection formula POS that the utility model embodiment provides；
Fig. 2 is the configuration schematic diagram one of Fig. 1 POS；
Fig. 3 is the configuration schematic diagram two of Fig. 1 POS；
Fig. 4 is the configuration schematic diagram three of Fig. 1 POS；
Fig. 5 is the structural representation of Fig. 1 screen；
Fig. 6 is the structural representation that touch chip is protected in Fig. 1；
Fig. 7 is structural representation when main circuit board is connected with screen in Fig. 1；
Fig. 8 is structural representation when main circuit board is connected with fore shell in Fig. 1；
Fig. 9 supports structural representation during flexible PCB for main circuit board in Fig. 1.
Wherein, each accompanying drawing main mark in figure：
100- touch-screen safeguard protection formula POSs；11- screens；12- main circuit boards；121- terminals；13- flexible PCBs；
131- touch chips；The Mesh coilings of 132- the first；133- joints；The breaking-proof switch of 14a- first；The breaking-proof switch of 14b- second；14c-
3rd breaking-proof switch；The breaking-proof switch of 14d- the 4th；The connectors of 15a- first；The connectors of 15b- second；The connectors of 15c- the 3rd；
The support frames of 16a- first；The support frames of 16b- second；The support frames of 16c- the 3rd；18- connectors；20- casings；21- fore shells；211- waists
Line；212- accommodating cavities；22- rear shells.
Embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with
Lower combination drawings and Examples, the utility model is further elaborated.It is it should be appreciated that described herein specific real
Example is applied only to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
In description of the present utility model, it is to be understood that term " " center ", " length ", " width ", " thickness ",
The orientation of instruction such as " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " or
Position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of description the utility model and simplifies description,
Rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and operation, because
This is it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
Can be connection or the interaction relationship of two elements of two element internals.For one of ordinary skill in the art
Speech, can understand concrete meaning of the above-mentioned term in the utility model as the case may be.
In order to facilitate description, noun and its be explained as follows that the utility model can be used：
Safety chip：A kind of safe processor (also known as safe CPU) with security mechanism, for protecting user profile to pacify
Entirely, when safety chip detects rogue attacks, security mechanism can be triggered, wipes key and other sensitive informations.
Signal lead is (also known as：Tamper signal wires, or line trigger signal) it is a kind of safe processor (safety chip
Or safe CPU) signal wire of its level change is can detect, when CPU detects level on the signal wire with setting level value not
When consistent, CPU will trigger security mechanism, wipe key and other sensitive informations.
Breaking-proof switch (also known as Anti-dismantling switch, or contact switch)：One kind two terminates signal lead (also known as：
Tamper signal wires, or line trigger signal) switch, once switching off, safety chip will detect level change, and touch
Security mechanism is sent out, wipes key and other sensitive informations.
Signal lead is (also known as：Tamper signal wires, or line trigger signal)：A kind of safe processor (safety chip
Or safe CPU) signal wire of its level change is can detect, when CPU detects level on the signal wire with setting level value not
When consistent, CPU will trigger security mechanism, wipe key and other sensitive informations.
Mesh coilings (mesh coilings)：Refer to the independent coiling of Tamper signal wires, or two and above quantity Tamper letters
Number mutual coiling of line, that is, the coiling formed.Tamper signal wires can be coiled into it is latticed, or parallel interval set multiple strips
Or the shape such as line round.
PCB walls：Refer to a kind of wall of the circuit board making of band Mesh coilings, can be cross wall, straight wall, or other shapes,
Such as frame-shaped or annular shape.PCB Chineses are：Printed circuit board (PCB).
The front of main circuit board is refered in particular on main circuit board close to the one side of screen in the utility model.
Also referring to Fig. 1 to Fig. 6, now touch-screen safeguard protection formula POS provided by the utility model is illustrated.
The touch-screen safeguard protection formula POS 100, including fore shell 21, screen 11, main circuit board 12, rear shell 22；Screen 11 is installed on
On fore shell 21, screen 11 is supported by fore shell 21, screen 11 can be used for showing consumption information and input data.Screen 11
Touch-screen including display screen and on display screen, consumption information is shown by display screen, received by touch-screen defeated
Enter data.Main circuit board 12 is electrical connected with screen 11, drives display screen to show and receive touch-screen by main circuit board 12
The information of input；Safety chip is also set on main circuit board 12, safety chip can wipe key, use when triggering security mechanism
The sensitive informations such as family card number, to protect user profile, prevent leakage of information.Main circuit board 12 is additionally provided with for storing sensitive information
Sensing element (not shown).Safety chip and sensing element are arranged on the front of main circuit board 12.Main circuit board 12 is arranged on
In fore shell 21.Rear shell 22 is fastened on fore shell 21, so as to form the structure of casing 20, the internal each electronic device of protection.Screen 11
The back side is provided with the flexible PCB 13 of connection main circuit board 12, with by flexible PCB 13 that screen 11 and main circuit board 12 is electric
Property is connected.There is the touch signal line (not shown) of connection touch-screen, touch signal line and touch chip in flexible PCB 13
131 are connected, will pass through touch chip 131 to control touch-screen.Flexible PCB 13 is also installed in the one side of fore shell 21
There is touch chip 131, then touch chip 131 can be wrapped up by fore shell 21 and flexible PCB 13, to protect touch chip
131, the security that lifting touch chip 131 is protected.
Touch-screen safeguard protection formula POS 100 provided by the utility model, compared with prior art, the utility model leads to
Cross and touch chip 131 be arranged on flexible PCB 13 in the one side of fore shell 21, when screen 11 be arranged on fore shell 21 on, and
When flexible PCB 13 is connected with main circuit board 12, it can be coordinated by flexible PCB 13 and fore shell 21 and wrap touch chip
131, play a part of protecting touch chip 131, while the length of flexible PCB 13 is greatly shortened, simplify safeguard protection
Scheme, improves the level of security of touch chip 131, and touch chip encapsulation saves cost without limiting.
Further, Fig. 3 and Fig. 6 are referred to, as touch-screen safeguard protection formula POS 100 provided by the utility model
A kind of embodiment, the accommodating cavity 212 of accommodating touch chip 131 is correspondingly offered on fore shell 21, touch chip 131 is put
In accommodating cavity 212.Accommodating cavity 212 is opened up on fore shell 21, touch chip 131 can be preferably installed, make flexible PCB
13 are fitted in the back side of fore shell 21, preferably to protect touch chip 131.Further, accommodating cavity 212 can be before offering
The through hole at the back side of shell 21, to coordinate screen 11 to protect touch chip 131.Certainly, in other embodiments, accommodating cavity 212
It can be groove structure.
Further, Fig. 3 and Fig. 6 are referred to, as touch-screen safeguard protection formula POS 100 provided by the utility model
A kind of embodiment, the back side of touch chip 131 is provided with stiffening plate.Stiffening plate can be fixed on flexible PCB 13
On.Stiffening plate is set, can preferably protect touch chip 131, and it is tactile flexible PCB 13 is more stably supported
Control chip 131.
Further, in some other embodiment, the aobvious of touching display screen can also be set on flexible PCB 13
Show chip, to protect display chip.Certainly, in further embodiments, can also be by MSR (Model Specific
Register, register) it is arranged on flexible PCB 13.Certainly some other sensing element can also be arranged on flexible electrical
On road plate 13.
Further, Fig. 3 and Fig. 6 are referred to, as touch-screen safeguard protection formula POS 100 provided by the utility model
A kind of embodiment, the position that touch signal line is at least corresponded on flexible PCB 13 is provided with the first Mesh coilings
132.The first Mesh coilings 132 are set in position corresponding to touch signal line on flexible PCB 13, can preferably be protected
Touching signals line, the safety of information is inputted with protection.
Further, covered with the first Mesh coilings 132 on flexible PCB 13.Preferably to protect flexible PCB
13, prevent from illegally distorting display information and input information.
Further, the first Mesh coilings 132 extend over corresponding in the back side of touch chip 131 on flexible PCB 13
Region.So as to preferably protect touch chip 131, external attack touch chip 131 is prevented.
Further, Fig. 3 to Fig. 6 is referred to, as touch-screen safeguard protection formula POS 100 provided by the utility model
A kind of embodiment, flexible PCB 13 is provided with joint 133, and main circuit board 12 is provided with terminal 121, joint 133
It is connected with terminal 121.Joint 133 is set on flexible PCB 13, and terminal 121 is set on main circuit board 12, with convenient
Flexible PCB 13 and main circuit board 12 are electrical connected.
Further, a kind of specific embodiment party as touch-screen safeguard protection formula POS 100 provided by the utility model
Formula, the touch-screen safeguard protection formula POS 100 also include the connector 18 for being electrically connected with joint 133 and connection terminal 121.If
Put connector 18 joint 133 and terminal 121 are electrical connected, it is easy to connect.Connector 18 can be mother daughter board connector, FPC companies
Connect device, zebra bar or other conductive connectors.
Further, referring to Fig. 2, one kind as touch-screen safeguard protection formula POS 100 provided by the utility model
Embodiment, the periphery protrusion of fore shell 21 are provided with stringcourse 211, and stringcourse 211 protrudes the back side of main circuit board 12, so that preceding
Shell 21 and its stringcourse 211 wrap the front of main circuit board 12, and then prevent the positive sensitive member of rogue attacks main circuit board 12
Part.It is possible to further which the front that the sensing element of user profile is arranged on main circuit board 12, and the periphery of fore shell 21 will be stored
Protrusion sets stringcourse 211, and makes the back side of the protrusion main circuit board 12 of stringcourse 211, so that fore shell 21 and its stringcourse 211 wrap up main electricity
The front and side of road plate 12, so as to prevent 12 positive sensing element of external attack main circuit board, realize the main electricity of safeguard protection
The effect of sensing element on road plate 12；The front of main circuit board 12 is set to form safety zone.
Further, in further embodiments, PCB walls can also be set on 12 positive periphery of main circuit board, to protect
Protect the front of main circuit board 12.
Further, Fig. 5 to Fig. 9 is referred to, as touch-screen safeguard protection formula POS 100 provided by the utility model
A kind of embodiment, the touch-screen safeguard protection formula POS 100 also include Anti-dismantling switch and supporting piece；Anti-dismantling
Switch and supporting piece are located between fore shell 21 and main circuit board 12, and supporting piece detachably supports Anti-dismantling switch, and fore shell
21 clamp Anti-dismantling switch and supporting piece with main circuit board 12, so as to when dismantling main circuit board 12, make supporting piece with preventing
Dismounting switch separation, so as to trigger security mechanism, prevents from illegally dismantling main circuit board 12.
Further, Fig. 5 to Fig. 9 is referred to, as touch-screen safeguard protection formula POS 100 provided by the utility model
A kind of embodiment, the touch-screen safeguard protection formula POS 100 also include support supporting piece support, supporting piece peace
Loaded in support.Support is set, can preferably support supporting piece, to facilitate installation supporting piece, prevents from using, detecting
During POS, supporting piece is switched with Anti-dismantling because of vibration and separate.
Further, Fig. 5 to Fig. 9 is referred to, as touch-screen safeguard protection formula POS 100 provided by the utility model
A kind of embodiment, supporting piece is electrical connected with main circuit board 12, and then by Anti-dismantling switch and the electricity of main circuit board 12
Property is connected.Certainly, in further embodiments, supporting piece can not also be electrical connected with main circuit board 12, and only support master
Circuit board 12, and supporting piece is electrical connected with Anti-dismantling switch.
Further, a kind of specific embodiment party as touch-screen safeguard protection formula POS 100 provided by the utility model
Formula, supporting piece are elastic component.Due to touch-screen safeguard protection formula POS 100 after fabrication, generally require largely to be examined
Survey, at this moment often lead to touch-screen safeguard protection formula POS 100 and vibrate, and also can mobile touch screen peace in transport, use
Full guard formula POS 100, and vibrate touch-screen safeguard protection formula POS 100；Using elastic component as supporting piece, Ke Yigeng
Good plays damping effect, so as to avoid causing supporting piece to switch with Anti-dismantling because of vibration when using and detect etc. breaking
Open.
Specifically, supporting piece can be spring.In some other embodiment, supporting piece can also be electric silica gel, lead
The resilient conductive elements such as electric rubber.Anti-dismantling can so be switched and be directly electrical connected with main circuit board 12.There are some realities
Apply in example, conducting strip only can also be set close to one end that Anti-dismantling switchs in supporting piece, conducting strip is switched electricity with Anti-dismantling
Property connection.Further, conducting strip can be sheet metal or carbon granules etc..Supporting piece can be flexible connector,
Such as：Zebra bar, the silica gel with carbon granules；Supporting piece can also be inelastic connector：Such as the connection of metal column, or other forms
Part.
Further, Fig. 5 to Fig. 9 is referred to, as touch-screen safeguard protection formula POS 100 provided by the utility model
A kind of embodiment, support is PCB walls, and support is electrical connected with main circuit board 12., can be more preferable using PCB walls
Supporting piece is protected, prevents from, from external attack supporting piece, when such as can prevent from illegally dismantling, fixing supporting piece using external devices
On Anti-dismantling switch.Further, mounting hole is offered in support, to house and install supporting piece.
Further, Fig. 5 and Fig. 7 are referred to, as touch-screen safeguard protection formula POS 100 provided by the utility model
A kind of embodiment, Anti-dismantling switch include be located at the positive first breaking-proof switch 14a of main circuit board 12, supporting piece bag
Detachable the first connector 15a for supporting the first breaking-proof switch 14a is included, fore shell 21 supports the first connector 15a.By the first tamper
Switch 14a is located on main circuit board 12, can facilitate processing and fabricating, while be easy to the first breaking-proof switch 14a and main circuit board 12
It is electrical connected, and the first connector 15a detachably supports the first breaking-proof switch 14a, when the first connector 15a and the first unpacking-preventing
When closing 14a separation, security mechanism can be triggered.
In some other embodiment, the first breaking-proof switch 14a can also be arranged on fore shell 21, and the first unpacking-preventing
14a is closed to be electrical connected with main circuit board 12 by the first connector 15a.
Further, Fig. 5 and Fig. 7 are referred to, as touch-screen safeguard protection formula POS 100 provided by the utility model
A kind of embodiment, the first connector 15a can be fixed on fore shell 21, with ease of assembly.
Further, a kind of specific embodiment party as touch-screen safeguard protection formula POS 100 provided by the utility model
Formula, support include the first connector 15a of support the first support frame 16a, the first connector are supported by the first support frame 16a
15a, to facilitate the first connector 15a of installation, while avoid when using vibrating, the first connector 15a and the first breaking-proof switch
14a is separated.
Further, Fig. 5 and Fig. 8 are referred to, as touch-screen safeguard protection formula POS 100 provided by the utility model
A kind of embodiment, Anti-dismantling switch includes the second breaking-proof switch 14b on the flexible PCB 13, supporting piece bag
Detachable the second connector 15b for supporting the second breaking-proof switch 14b is included, main circuit board 12 supports the second connector 15b.By second
Breaking-proof switch 14b is located on flexible PCB 13, can facilitate processing and fabricating, while it is soft to be easy to the second breaking-proof switch 14b to pass through
Property circuit board 13 is electrical connected with main circuit board 12, and the second connector 15b detachably supports the second breaking-proof switch 14b, when
When two connector 15b separate with the second breaking-proof switch 14b, security mechanism can be triggered.
Further, Fig. 5 and Fig. 8 are referred to, as touch-screen safeguard protection formula POS 100 provided by the utility model
A kind of embodiment, support include support the second connector 15b the second support frame 16b, pass through the second support frame 16b
The second connector 15b is supported, to facilitate the second connector 15b of installation, while is avoided when using vibrating, the second connector
15b separates with the second breaking-proof switch 14b.
Further, referring to Fig. 9, one kind as touch-screen safeguard protection formula POS 100 provided by the utility model
Embodiment, Anti-dismantling switch include the 3rd breaking-proof switch 14c being located on flexible PCB 13 and located at main circuit boards
The 4th breaking-proof switch 14d that 12 fronts correspond at the 3rd breaking-proof switch 14c, supporting piece detachably support the respectively including both ends
Three breaking-proof switch 14c and the 4th breaking-proof switch 14d the 3rd connector 15c.By setting on flexible PCB 13 the simultaneously
Three breaking-proof switch 14c, the 4th breaking-proof switch 14d is set on main circuit board 12, and the 3rd connector 15c both ends difference is removable
Unload and support the 3rd breaking-proof switch 14c and the 4th breaking-proof switch 14d, double insurance can be played a part of, when illegally opening screen
When 11, no matter the 3rd connector 15c separates with the 3rd breaking-proof switch 14c, or separated with the 4th breaking-proof switch 14d, safe place
Reason device triggers security mechanism, wipes key and other sensitive informations, prevents leakage of information.
Further, a kind of specific embodiment party as touch-screen safeguard protection formula POS 100 provided by the utility model
Formula, support include the 3rd connector 15c of support the 3rd support frame 16c, the 3rd connector are supported by the 3rd support frame 16c
15c, to facilitate the 3rd connector 15c of installation, while avoid when using vibrating, the 3rd connector 15c and the 3rd breaking-proof switch
14c or the 4th breaking-proof switch 14d separation.
Further, a kind of specific embodiment party as touch-screen safeguard protection formula POS 100 provided by the utility model
Formula, the touch-screen safeguard protection formula POS 100 also include contact switch (not shown) and detachably support holding for contact switch
Part (not shown), main circuit board 12 and rear shell 22 clamp contact switch and holding piece.Contact switch and holding piece are set, make to hold
Part detachably supports contact switch, and main circuit board 12 and rear shell 22 is clamped contact switch and holding piece, then after illegal dismounting
During shell 22, holding piece can be made to be separated with contact switch, and trigger security mechanism, and then can prevent from illegally dismantling rear shell 22, with
The preferably electronic device in protection casing.
Further, a kind of specific embodiment party as touch-screen safeguard protection formula POS 100 provided by the utility model
Formula, contact switch are located at the back side of main circuit board 12, and holding piece supports rear shell 22.Contact switch is arranged on main circuit board 12
The back side, processing and fabricating can be facilitated, while facilitate contact switch to be electrical connected with main circuit board 12.Further, holding piece can
To be fixedly linked with rear shell 22.Certainly, in some other embodiment, contact switch can also be arranged in rear shell 22, and is led to
Holding piece is crossed to be electrical connected with main circuit board 12.
Further, a kind of specific embodiment party as touch-screen safeguard protection formula POS 100 provided by the utility model
Formula, holding piece are electrical connected with main circuit board 12, and then contact switch and main circuit board 12 are electrical connected.Certainly, another
In a little embodiments, holding piece can not also be electrical connected with main circuit board 12, and only support main circuit board 12, and holding piece with
Contact switch is electrical connected.
Further, a kind of specific embodiment party as touch-screen safeguard protection formula POS 100 provided by the utility model
Formula, holding piece are elastic component.Due to touch-screen safeguard protection formula POS 100 after fabrication, generally require largely to be examined
Survey, at this moment often lead to touch-screen safeguard protection formula POS 100 and vibrate, and also can mobile touch screen peace in transport, use
Full guard formula POS 100, and vibrate touch-screen safeguard protection formula POS 100；Using elastic component as holding piece, Ke Yigeng
Good plays damping effect, so as to avoid causing holding piece and contact switch disconnection because of vibration when using and detect etc..
Specifically, holding piece can be spring.In some other embodiment, holding piece can also be electric silica gel, lead
The resilient conductive elements such as electric rubber.So contact switch can be directly electrical connected with main circuit board 12.There are some implementations
In example, conducting strip only can also be set close to one end of contact switch in holding piece, conducting strip is electrically connected with contact switch.
Further, conducting strip can be sheet metal or carbon granules etc..Holding piece can be flexible connector, such as：Zebra
Bar, the silica gel with carbon granules；Holding piece can also be inelastic connector：Such as the connector of metal column, or other forms.
Further, a kind of specific embodiment party as touch-screen safeguard protection formula POS 100 provided by the utility model
Formula, the touch-screen safeguard protection formula POS 100 also include the locating rack (not shown) of support holding piece, and holding piece is installed on fixed
In the frame of position.Locating rack is set, can preferably support holding piece, to facilitate installation holding piece, prevents from using, detecting POS
During machine, holding piece is set to be separated with contact switch because of vibration.Further, locating rack can also be PCB walls.
Further, referring to Fig. 2, one kind as touch-screen safeguard protection formula POS 100 provided by the utility model
Embodiment, the back side of main circuit board 12 are built-in with the 2nd Mesh coilings and set second at the back side of main circuit board 12
Mesh coilings, prevent from attacking the main circuit board 12 from the back side of main circuit board 12, can preferably protect main circuit board 12, improve
Security.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. touch-screen safeguard protection formula POS, including fore shell, be installed on the fore shell screen, be installed in the fore shell
Main circuit board and the rear shell that is fastened on the fore shell, the screen include display screen and the touch on the display screen
Screen, the screen are provided with the flexible PCB for connecting the main circuit board, and the main circuit board, which is provided with, has triggering safety
The safety chip of sensitive information is wiped during mechanism, it is characterised in that：Have in the flexible PCB and connect the touch-screen
Touch signal line, the flexible PCB are also equipped with touch chip, the touch signal line in the one side of the fore shell
It is connected with the touch chip.
2. touch-screen safeguard protection formula POS as claimed in claim 1, it is characterised in that：Correspondingly offered on the fore shell
The accommodating cavity of the touch chip is housed, the touch chip is placed in the accommodating cavity.
3. touch-screen safeguard protection formula POS as claimed in claim 1, it is characterised in that：The back side of the touch chip is set
There is stiffening plate.
4. the touch-screen safeguard protection formula POS as described in claim any one of 1-3, it is characterised in that：The flexible circuit
The position that the touch signal line is at least corresponded on plate is provided with the first Mesh coilings.
5. touch-screen safeguard protection formula POS as claimed in claim 4, it is characterised in that：Covered on the flexible PCB
There are the first Mesh coilings.
6. touch-screen safeguard protection formula POS as claimed in claim 4, it is characterised in that：The first Mesh coilings extension
Cover on the flexible PCB in region corresponding to the back side of the touch chip.
7. the touch-screen safeguard protection formula POS as described in claim any one of 1-3, it is characterised in that：The flexible circuit
Plate is provided with joint, and the main circuit board is provided with terminal, and the joint is connected with the terminal.
8. touch-screen safeguard protection formula POS as claimed in claim 7, it is characterised in that：Also include connecing described in electric connection
The connector of head and the connection terminal.
9. the touch-screen safeguard protection formula POS as described in claim any one of 1-3, it is characterised in that：Also include Anti-dismantling
Switch and the supporting piece for detachably supporting Anti-dismantling switch, the fore shell and the mainboard clamp the Anti-dismantling switch with
The supporting piece.
10. the touch-screen safeguard protection formula POS as described in claim any one of 1-3, it is characterised in that：Also opened including contact
The holding piece of the contact switch is closed and detachably supports, the main circuit board and the rear shell clamp the contact switch and institute
State holding piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721062062.0U CN207082187U (en) | 2017-08-23 | 2017-08-23 | Touch-screen safeguard protection formula POS |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444627A (en) * | 2018-10-31 | 2019-03-08 | 福建新大陆支付技术有限公司 | POS liquid crystal safety detection switch |
| CN112053515A (en) * | 2020-08-07 | 2020-12-08 | 福建联迪商用设备有限公司 | Intelligent POS terminal data protection structure and protection method |
| CN112330896A (en) * | 2020-09-29 | 2021-02-05 | 福建联迪商用设备有限公司 | Safety protection structure of LCD screen |
-
2017
- 2017-08-23 CN CN201721062062.0U patent/CN207082187U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444627A (en) * | 2018-10-31 | 2019-03-08 | 福建新大陆支付技术有限公司 | POS liquid crystal safety detection switch |
| CN112053515A (en) * | 2020-08-07 | 2020-12-08 | 福建联迪商用设备有限公司 | Intelligent POS terminal data protection structure and protection method |
| CN112330896A (en) * | 2020-09-29 | 2021-02-05 | 福建联迪商用设备有限公司 | Safety protection structure of LCD screen |
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