Utility model content
The technical problem to be solved by the present invention is to provide a kind of electronic equipment tampers with stronger tamper ability
Device and electronic equipment.
In order to solve the above technical problems, the utility model provides a kind of electronic equipment antiwithdrawal device, including zebra item and
Flexible PCB, the flexible PCB has first surface and second surface, on the first surface and the second surface
It is respectively equipped with first surface circuit and second surface circuit;
The flexible PCB includes main part and folding portion, and the folding portion is turned down to the first surface of the main part
And cover a part for the first surface of the main part;
The zebra item is arranged between the flexible PCB and the Electron Equipment Circuit Board of the electronic equipment, described
Zebra item is by the institute on the first surface of the second surface circuit and the main part on the second surface of the folding portion
First surface circuit is stated to be electrically connected with the respective electrode of the Electron Equipment Circuit Board of the electronic equipment respectively.
At least one embodiment according to the present utility model, the first surface circuit and second surface circuit are by silver paste
The silver paste circuit of making.
At least one embodiment according to the present utility model, at least part of the main part and the electronic equipment
Cover piece connects.
At least one embodiment according to the present utility model, the cover piece of the electronic equipment are the displays of the electronic equipment
Screen;
At least part of the main part is connect with the back side of the display screen.
At least one embodiment according to the present utility model, the electronic equipment have the first shell that is fixedly connected and the
Two shells, the Electron Equipment Circuit Board are arranged between the first shell and the second shell, and the antiwithdrawal device is set
It sets between the Electron Equipment Circuit Board and the first shell;
The first shell and the second shell are electric by the flexible PCB, the zebra item and the electronic equipment
Road plate compresses, and first surface circuit and second surface circuit is made to pass through the electronic equipment of the zebra item and the electronic equipment
The respective electrode of circuit board is electrically connected.
At least one embodiment according to the present utility model, the first shell has to be aligned with the edge of the zebra item
First edge, at least part of the main part sets from the edge of the zebra item through the first edge and the electronics
The first area of standby cover piece connects, and the first area is close to the first edge.
At least one embodiment according to the present utility model, the first part of the main part is with the cover piece by being arranged
The first part and the cover piece between it is resin-bonded,
Or the second surface of the first part is contacted with the cover piece, resin covers the first surface of the first part
With the region close to the first part on the cover piece.
At least one embodiment according to the present utility model, the first surface circuit include first electrode pair and connection institute
The first meander wire of first electrode pair is stated, the second surface circuit includes second electrode pair and the connection second electrode pair
The second meander wire;
The first electrode pair is located at region corresponding with the zebra item on the main part, the second electrode contraposition
In region corresponding with the zebra item in the folding portion.
At least one embodiment according to the present utility model, at least part of the main part and the electronic equipment
Cover piece connects, and has first meander wire at least on the part that the main part is connect with the cover piece of the electronic equipment
At least part of a part of and/or described second meander wire.
At least one embodiment according to the present utility model, the zebra item includes spacer portion, the spacer portion include with
With the first electrode pair and second electrode to the parallel spaced multiple insulating layers in direction and multiple conductive layers;
Each electrode of the first electrode pair and the second electrode pair passes through the different conductive layers and the electricity
The respective electrode of sub- circuitry plate is electrically connected.
At least one embodiment according to the present utility model, the first surface are equipped with the first earth polar made of silver paste
Pair and to connect the first earth polar circuit in first earth polar pair made of silver paste, the second surface is equipped with made of silver paste
Second earth polar pair and to connect the second earth polar circuit in second earth polar pair made of silver paste;
First earth polar pair and second earth polar are to the phase by the zebra item and the Electron Equipment Circuit Board
The ground electrode electrical connection answered.
At least one embodiment according to the present utility model, first earth polar circuit are located at outside first meander wire
Side, second earth polar circuit are located on the outside of second meander wire.
At least one embodiment according to the present utility model, the shape of first earth polar circuit and first meander line
Road corresponds to, and the shape of second earth polar circuit is corresponding with second meander wire.
At least one embodiment according to the present utility model, the zebra item include spacer portion, are located at the spacer portion two
The insulation division of side and the conductive part on the outside of the insulation division;
Each electrode of the first electrode pair and the second electrode pair passes through the spacer portion and the electronic equipment
The respective electrode of circuit board is electrically connected;
First earth polar pair and second earth polar are to the phase by the conductive part and the Electron Equipment Circuit Board
The ground electrode electrical connection answered.
At least one embodiment according to the present utility model, the folding portion and the main part are equipped with location hole;
The folding portion to the first surface of the main part turn down, in the folding portion location hole and the main body
The mode of location hole alignment in portion, covers a part for the first surface of the main part.
In order to solve at least part technical problem of the utility model, the utility model also provides a kind of electronic equipment,
Including the antiwithdrawal device described in shell, cover piece, Electron Equipment Circuit Board and above-mentioned any one;
The shell and the cover piece form sealing structure, and the Electron Equipment Circuit Board is arranged in the sealing structure
Interior, the antiwithdrawal device is arranged between the Electron Equipment Circuit Board and the cover piece.
Electronic equipment antiwithdrawal device provided by the utility model, due to the use of two surfaces all flexible electricals with circuit
Road plate, therefore when dismounting person dismantles electronic equipment in such a way that acupuncture needle punctures, it is possible to it can be by the two of flexible PCB
The signal wire conducting of side is got up.Therefore it is equipped with the safety of the electronic equipment of electronic equipment antiwithdrawal device provided by the utility model
Property is preferable.
Specific implementation mode
For the above objects, features, and advantages of the utility model can be clearer and more comprehensible, below in conjunction with attached drawing to this practicality
Novel specific implementation mode elaborates.
Many details are elaborated in the following description in order to fully understand the utility model, but this practicality is new
Type can also be implemented using other different from other manner described here, therefore the utility model is not by following public tool
The limitation of body embodiment.
As shown in the application and claims, unless context clearly prompts exceptional situation, " one ", "one", " one
The words such as kind " and/or "the" not refer in particular to odd number, may also comprise plural number.It is, in general, that term " comprising " only prompts to wrap with "comprising"
Include clearly identify the step of and element, and these steps and element do not constitute one it is exclusive enumerate, method or equipment
The step of may also including other or element.
The knot of electronic equipment antiwithdrawal device in the one embodiment for illustrating the utility model referring initially to Fig. 1 to Fig. 3
Structure.The electronic equipment antiwithdrawal device of the embodiment includes zebra item 1 and flexible PCB 2.Flexible PCB 2 is laminated structure,
For the convenience of description, two surfaces of the flexible PCB 2 are respectively designated as first surface 201 and second surface 202.Such as figure
Shown in 2, the upper surface of the right part of flexible PCB 2 is first surface 201, and lower surface is then second surface 202, due to
The left part of the flexible PCB 2 has turnover structure, therefore the upper surface of left side folding portion point is second surface 202.
It is upper equipped with the first table respectively in the first surface 201 and second surface 202 of the flexible PCB 2 with continued reference to Fig. 2
Upper thread road 21 and second surface circuit 22.The material of first signal wire 21 and second signal line 22 can be various, for example,
In some embodiments, first signal wire 21 and second signal line 22 can cover copper using on flexible PCB 2 to lose
Made of quarter mode.Optionally, in the ongoing illustrated embodiment, the first surface circuit 21 and second surface circuit 22 are all by silver
Circuit made of slurry.Since circuit made of silver paste is more fragile, thus the first surface circuit 21 and second surface circuit 22
Breakage can occur when under the effect of external force pull, torsion occur for flexible PCB 2, so the first surface line
Road 21 and second surface circuit 22 can be used for detecting whether flexible PCB 2 with cover piece occurs relative displacement, thus into one
Step reinforces the performance of the antiwithdrawal device of the present embodiment.
With continued reference to Fig. 2, flexible PCB 2 includes main part 23 and folding portion 24.The folding portion 24 is to the main part 23
First surface 201 direction fold, and cover a part of region of the first surface 201 of main part 23.In current implementation
In example, it is covered on a part of region in left side of main part 23 after the fold of folding portion 24 of flexible PCB 2.
It is worth noting that, first surface 201 and second surface 202 are two surfaces of flexible PCB 2.Main part 23
All it is two parts of flexible PCB 2 with folding portion 24, thus all there is first surface 201 and second surface 202 naturally.Institute
With, it is clear that first surface 201, second surface 202, main part 23 and folding portion 24 should not be interpreted as concept arranged side by side, more
It should not be assumed that the part that flexible PCB 2 has aforementioned four different.
In addition, the specific material of flexible PCB 2 can according to circumstances carry out selection.It is, for example, possible to use poly- pair
Ethylene terephthalate (Polyethylene terephthalate, PET) or polyimides (Polyimide, PI) etc.
Material makes flexible PCB 2.
With reference to figure 3, zebra item 1 be arranged between flexible PCB 2 and the Electron Equipment Circuit Board 3 of electronic equipment (in order to
It is distinguished with flexible PCB 2, the circuit board of electronic equipment is named as Electron Equipment Circuit Board 3).Such setting makes
Zebra item 1 can be by the second surface circuit 22 and electronic equipment electricity on the second surface 202 of the folding portion 24 of flexible PCB 2
The respective electrode of road plate 3 is electrically connected.Likewise, zebra item 1 also can be by the first surface on the first surface 201 of main part 23
Circuit 21 is electrically connected with the counter electrode of Electron Equipment Circuit Board 3.Such setting enables to Electron Equipment Circuit Board 3 can
It is connected to by first surface circuit 21 on zebra item 1, second surface circuit 22, and then judges first surface circuit 21, the
Whether the circuit that two surface lines 22 are formed with zebra item 1 disconnects.When Electron Equipment Circuit Board 3 detects first surface line
When the conducting in the circuit that road 21, second surface circuit 22 are formed with zebra item 1 happens variation, it is judged as the electronic equipment
Whether dismantled.
The reason of judging as can carrying out is, either due to raising flexible electrical caused by the shell of electronic equipment
The disengagement of road plate 2 and zebra item 1, or since acupuncture needle is spied between caused first surface circuit 21, second surface circuit 22
Short circuit either since violence dismounting first surface circuit 21, second surface circuit 22 destruction of itself can all lead to the first table
The conducting in the circuit that upper thread road 21, second surface circuit 22 are formed with zebra item 1 happens variation.In addition, electronic equipment is electric
The conducting that road plate 3 detects first surface circuit 21, the circuit that second surface circuit 22 is formed with zebra item 1 happens variation
Concrete mode can be various.For example, in some embodiments, Electron Equipment Circuit Board 3 is to first surface circuit 21, second
One end of surface lines 22 apply predeterminated voltage and to the current potential of the other end of first surface circuit 21, second surface circuit 22 into
Row detection, judges first surface circuit 21, second surface circuit by judging the difference of the current potential and predeterminated voltage that detect
Whether the conducting situation in 22 circuits formed with zebra item 1 is changed.In some other embodiments, electronic equipment electricity
Road plate 3 then inputs predetermined current to first surface circuit 21, second surface circuit 22, by judging that outflow judges first surface line
Road 21, second surface circuit 22 the size of electric current judge first surface circuit 21,1 group of second surface circuit 22 and zebra item
At the conducting situation in circuit whether changed.
The electronic equipment antiwithdrawal device of the present embodiment all has signal wire in the both sides of flexible PCB 2, works as the present embodiment
Electronic equipment antiwithdrawal device meet with puncture when, it is possible to acupuncture needle for puncture can be caused the both sides of flexible PCB 2
Signal wire conducting get up, and then lead to the variation for being enough to be perceived by safety controls such as safety chips.It is above-mentioned perceiving
When variation, these devices can start corresponding tamper function (such as removing the operations such as crucial key information), to realize
The purpose (for example, data is protected not leak) of tamper.Therefore, the electronic equipment antiwithdrawal device of the present embodiment makes dismounting person
It is difficult to implement the operation of acupuncture needle short circuit by way of gently opening cover piece 4, tamper performance is stronger.
Although the embodiments of the present invention are as described above, still the above is intended merely to provided by the utility model
One embodiment of electronic equipment antiwithdrawal device illustrates.In fact, in the other embodiment of the utility model, electronics is set
Many aspects of standby antiwithdrawal device may have various set-up mode, below with some embodiments to the anti-dismounting of electronic equipment
At least part variation set illustrates.
Optionally, in one embodiment of the utility model, at least part of the main part 23 of flexible PCB 2 with
The cover piece 4 of electronic equipment connects.In the ongoing illustrated embodiment, the cover piece 4 of electronic equipment is the display screen of the electronic equipment.But
In fact cover piece 4 can select among the shell of electronic equipment.The shell of modern electronic equipment often designs more simple
About, such as the shell of electronic equipment is only made of integrated rear cover and display screen.Therefore the dismounting of modern electronic equipment is past
Toward since dismantling display screen.So the cover piece that cover piece 4 is arranged to electronic equipment in the ongoing illustrated embodiment is display
Screen.In other examples, cover piece 4 can also be rear cover, frame or other easily disassembled structures.
Such setting works as electronic equipment so that after electronic equipment is equipped with the electronic equipment antiwithdrawal device of the present embodiment
When by dismantling, no matter cover piece 4 be occur translation or started, can all cause Electron Equipment Circuit Board 3 respective electrode it
Between current interruptions.Specifically, since flexible PCB 2 is due at least part and electricity of the main part 23 of flexible PCB 2
The cover piece 4 of sub- equipment connects.Cover piece 4, which is slightly started or occurs to translate on a small quantity, this may result in the meeting of cover piece 4 to flexible PCB 2
More apparent pull effect is formed, and then causes the silver paste circuit on flexible PCB 2 that damaged or flexible PCB 2 occurs
Connection between zebra item 1 changes.
Although as described in previous embodiment, if ensure at least part of the main part 23 of flexible PCB 2 with
The connection of cover piece 4 of electronic equipment can be achieved with tamper function.But in one embodiment, electronic equipment antiwithdrawal device also has
Other structures.With continued reference to Fig. 3, in the ongoing illustrated embodiment, electronic equipment has the first shell 51 that is fixedly connected and the
Two shells 52.Electron Equipment Circuit Board 3 is then arranged between the first shell 51 and second shell 52 of electronic equipment.Antiwithdrawal device
It (i.e. by the region shown in circle A in Fig. 3, including one of main part 23 and turns in the region corresponding with zebra item 1 of flexible PCB 2
Most of region of folding part 24) it is compressed by the first shell 51 of electronic equipment and zebra item 1.Such setting is so that flexible circuit
Combination situation between silver paste circuit on plate 2 and zebra item 1 is preferable, and when shell is opened, due to 51 He of first shell
Second shell 52 can be separated from each other, and will be got loose between flexible PCB 2 and zebra item 1.
With continued reference to Fig. 3, optionally, in the ongoing illustrated embodiment, first shell 51 has to be aligned with the edge of zebra item 1
First edge 511.At least part of the main part 23 of flexible PCB 2 extends outwardly from the edge of zebra item 1.The part
Main part 23 through first edge 511 extend at cover piece 4 (such as being extended to shown in Fig. 3 at the lower section of cover piece 4) and
The cover piece 4 of this region and electronic equipment connects.For convenience of description, the region of this connection is hereinafter referred to as the firstth area
Domain, i.e. by the region shown in circle B in Fig. 3.Correspondingly, the main part 23 of flexible PCB 2 this region part below
In be referred to as first part.In the ongoing illustrated embodiment, the first area is close to first edge 511.Such setting is so that lid
No matter part 4 can all cause in first area (to be shown by circle B in Fig. 3 toward which kind of direction translation to the formation pull of flexible PCB 2
Region in) flexible PCB 2 and cover piece 4 it is peeling-off, and then silver paste circuit is caused to be destroyed.Certainly, if cover piece 4 is upward
It lifts and obviously also results in silver paste circuit and be destroyed.
The concrete mode of the first part of main part 23 and the connection of cover piece 4 can be various.With reference to figure 3, in this reality
With in novel one embodiment, the second surface 202 (i.e. upper surface in Fig. 3) and cover piece of the first part of the main part 23
4 contacts, and resin covers on the first surface 201 (i.e. lower surface in Fig. 3) and cover piece 4 of the first part close to this first
The region divided.In another embodiment of the utility model, first part and the cover piece 4 of the main part 23 of flexible PCB 2
By be arranged first part second surface 202 (i.e. upper surface in Fig. 3) it is resin-bonded between cover piece 4.It is worth note
Meaning, although the present embodiment is illustrated with Fig. 3, in fact, in other examples, electronic equipment can have it
The first shell 51 and/or second shell 52 of his shape, or do not have first shell 51 even.
With reference to figure 1-3, in one embodiment of the utility model, first surface circuit 21 includes first electrode pair 211
With the first meander wire 212.Wherein first meander wire 212 connects two electrodes of first electrode pair 211 so that
It is formed into a loop between first electrode pair 211.The first electrode pair 211 and the first meander wire 212 are all made of silver paste, thus compared with
It is easy to be crushed under external force.Correspondingly, second surface circuit 22 includes then second electrode pair 221 and by second electrode pair
The second meander wire 222 that 221 two electrodes are connected with each other.Second electrode pair 221 and the second meander wire 222 be also all by
Made of breakable silver paste.
In this embodiment, the position of 221 pairs of first electrode pair 211 and second electrode is corresponding with zebra item 1.Specifically
, the first electrode pair 211 is to being located at region corresponding with zebra item 1 on main part 23.Correspondingly, second electrode pair 221
The region corresponding with zebra item 1 in folding portion 24.Such setting is so that first electrode pair 211 and second electrode pair 221
It can be connected with corresponding structure (such as corresponding electrode on Electron Equipment Circuit Board) by zebra item 1.Main part 23 and electricity
It is respectively provided with the first meander wire 212 on the first surface 201 and second surface 202 of the part that the cover piece 4 of sub- equipment connects
At least part and the second meander wire 222 at least part.For example, as shown in Figure 3, in resin by cover piece and main body
Portion 23 is connected by the region shown in circle B, and the main part 23 is had the first meander wire 212 on the region shown in circle B
At least part and the second meander wire 222 at least part.It certainly, in other examples can also be according to resin
Specific facilities by the part that the main part 23 is connect with the cover piece 4 of electronic equipment be set as only have the first meander wire
212 part or a part only with the second tortuous 222 circuits.
Continue to refer to figure 1,2,4a and 4b, in one embodiment of the utility model, zebra item 1 further comprises being spaced
Portion 11.The spacer portion 11 includes multilayer dielectric layer 111 and plurality of conductive layers 112.The multilayer dielectric layer 111 and plurality of conductive layers
112 are arranged in a manner of spaced so that plurality of conductive layers 112 between each other and is not connected to.Multilayer dielectric layer 111 with lead
The direction of electric layer 112 is parallel with first electrode pair 211, second electrode pair 221.Such setting is so that first electrode pair
211 and each electrode of second electrode pair 221 can be via the respective electrode of different conductive layer 112 and Electron Equipment Circuit Board
Electrical connection is without interfering with each other.
With reference to figure 2, also there is the first earth polar pair 251 and the first earth polar circuit on the first surface 201 of flexible PCB 2
252.Correspondingly, also having the second earth polar pair 261 and the second earth polar circuit 262 on the second surface 202 of flexible PCB 2.Its
In the first earth polar pair 251, the first earth polar circuit 252, the second earth polar pair 261 and the second earth polar circuit 262 be also all by silver paste system
At.First earth polar pair 251 and the second earth polar pair 261 pass through zebra item 1 and the corresponding ground electrode of Electron Equipment Circuit Board electricity
Connection.The advantages of this arrangement are as follows if wishing to pass through short circuit first electrode pair 211 and second electrode in such a way that acupuncture needle is spied
When to 221 detection to evade antiwithdrawal device, acupuncture needle is easily by the first meander wire 212 and/or the second meander wire 222 and
One earth polar circuit 252,262 short circuit of the second earth polar circuit are to connect the first meander wire 212 and/or the second meander wire 222
Ground.The devices such as the safety chip on Electron Equipment Circuit Board 3 are able to detect that the first meander wire 212 and/or second is bent
Broken line road 222 has been grounded, and makes corresponding reaction in time.
With reference to figure 2, optionally, in the ongoing illustrated embodiment, the first earth polar circuit 252 is located at the first meander wire 212
Outside.Corresponding second earth polar circuit 262 also is located at the outside of the second meander wire 222.Such setting can increase acupuncture needle
By the probability of short-circuit first meander wire 212 and the second earth polar circuit 262 when being punctured.(on the other hand, positive registration signal
The back side may pierce ground wire when line) further, it, can also be by the shape of the first earth polar circuit 252 and the with continued reference to Fig. 2
One meander wire 212 corresponds to, and the shape of the second earth polar circuit 262 is corresponding with the second meander wire 222, to further increase silver
By the probability of short-circuit first meander wire 212 and the second earth polar circuit 262 when needle is punctured.
It is worth noting that, the first earth polar pair 251 and the second earth polar pair 261 pass through zebra item 1 and Electron Equipment Circuit Board
Corresponding ground electrode electrical connection concrete mode can be various.With reference to figure 4a, Fig. 5 and Fig. 6, in one embodiment,
Zebra item 1 other than including spacer portion 11, further include positioned at spacer portion 11 both sides two insulation divisions 12 and positioned at this two
Two conductive parts 13 in 12 outside of a insulation division.Such setting is so that each of first electrode pair 211 and second electrode pair 221
Electrode is electrically connected by spacer portion 11 with the respective electrode of Electron Equipment Circuit Board.And the first earth polar pair 251 and the second earth polar pair
261 can be electrically connected by two conductive parts 13 with the corresponding ground electrode on Electron Equipment Circuit Board 3.Due to the first earth polar
To 251 and second earth polar pair 261 all only be ground connection and wave-off, thus partial electrode using identical conductive part 13 not
Unfavorable effect can be brought.
By the way that the first earth polar pair 251, the first earth polar circuit 252, the second earth polar pair 261 and the second earth polar circuit 262 is arranged
The difficulty of acupuncture needle puncture can be further increased.Specifically, due to when carrying out acupuncture needle puncture, it can only be from flexible PCB 2
One is punctured towards another side, thus when hope is spied by acupuncture needle come short circuit first surface circuit 21, second surface circuit
When 22, although positive first earth polar circuit 252 or the second earth polar circuit 262 can be avoided, but still it can not avoid piercing the back of the body
The second earth polar circuit 262 or the first earth polar circuit 252 in face.And if when puncturing by first surface circuit 21, second surface line
Road 22 and the conducting of the first earth polar circuit 252 or the second earth polar circuit 262 then will produce and be enough to be detected by Electron Equipment Circuit Board 3
Conducting situation variation, and then cause dismounting fail.
By example above-mentioned it is found that the purpose that the folding portion 24 of flexible PCB 2 turned down and covered main part 23 includes real
A current zebra item 1 all connects the circuit on two surfaces of flexible PCB 2 with the respective electrode on Electron Equipment Circuit Board 3
It connects.In order to preferably realize that this purpose, the utility model can also have more variations.With reference to figure 5 to Fig. 7, in this reality
With in novel one embodiment, folding portion 24 and main part 23 location hole 27 that be provided with position opposite.Such setting makes
When proper folding portion 24 turns down to the first surface 201 of main part 23 and covers a part for first surface 201 for main part 23,
It can make the relative position of the two by way of being mutually aligned the location hole 27 being arranged in folding portion 24 and main part 23
It is more accurate.
It is worth noting that, the description of " being mutually aligned the location hole 27 being arranged in folding portion 24 and main part 23 " is not answered
When being understood to that location hole 27 can only use in itself mutually matched method.In another embodiment of the utility model
In, the location hole 27 being arranged in folding portion 24 and main part 23 all (is not painted with the positioning convex portion being arranged on zebra item 1 in figure
Show) it cooperates so that the mutual alignment of three is more accurate when installation.
Fig. 3 is returned to, a kind of electronic equipment with antiwithdrawal device is provided in an implementation of the utility model.Including shell
Body, cover piece 4 and antiwithdrawal device.Wherein selected among the antiwithdrawal device of antiwithdrawal device in the above-described embodiments.In current example
In, shell further comprises first shell 51 and second shell 52.First shell 51, second shell 52 and cover piece 4 form one
Sealing structure.Electron Equipment Circuit Board 3 is arranged in the inside of the sealing structure and by first shell 51, second shell 52 and lid
The protection of part 4.Antiwithdrawal device is then arranged between the circuit board 3 and cover piece 4 of the electronic equipment.
Although the utility model is described with reference to current specific embodiment, ordinary skill in the art
Personnel it should be appreciated that more than embodiment be intended merely to illustrate the utility model, be detached from the spirit of the present invention no
In the case of can also make various equivalent change or replacement, therefore, as long as to upper in the spirit of the utility model
State the variation of embodiment, modification will all be fallen in the range of following claims.