CN204406406U - Line protective structure and route protection lid - Google Patents
Line protective structure and route protection lid Download PDFInfo
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- CN204406406U CN204406406U CN201420833500.9U CN201420833500U CN204406406U CN 204406406 U CN204406406 U CN 204406406U CN 201420833500 U CN201420833500 U CN 201420833500U CN 204406406 U CN204406406 U CN 204406406U
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- over cap
- protective structure
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- line
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Abstract
The utility model discloses a kind of line protective structure and route protection lid.This line protective structure comprises circuit board and over cap; Circuit board is provided with target line, and over cap is arranged on circuit boards and coverage goal circuit, and the internal face of over cap is provided with protection circuit; Target line comprises the first signaling point and secondary signal point, is electrically connected between the first signaling point and secondary signal point by protection circuit.Implement the technical solution of the utility model; the over cap of this line protective structure covers in target line on circuit boards; target line then on circuit board normally works; and the internal face of over cap is provided with protection circuit; when over cap suffers outside destroy; this protection circuit can disconnect, and makes the information in target line can instantaneous deletion.Thus this line protective structure can ensure the reliability of target line work, again can the information security of containment objective circuit.
Description
Technical field
The utility model relates to information security field, especially relates to a kind of line protective structure and route protection lid.
Background technology
Along with the develop rapidly of infotech, information security is paid attention to by more and more people, and security product it is also proposed more and more higher requirement for information security, is exactly wherein an importance of information security for the protection of the core circuit of product.The service requirement that user is daily can being met, instantaneous elimination chip internal information guarantee information not leak when running into malicious intrusions again.This technology and process innovation aim to provide a kind of can the solution of protection circuit information security, ensure the reliability of dairy products operational process, protect the information security of core circuit simultaneously.
Utility model content
The technical problems to be solved in the utility model is, provides a kind of line protective structure and route protection lid.
The utility model solves the technical scheme that its technical matters adopts: construct a kind of line protective structure, comprise circuit board and over cap; Described circuit board is provided with target line, and described over cap to be arranged on described circuit board and to cover described target line, and the internal face of described over cap is provided with protection circuit;
Described target line comprises the first signaling point and secondary signal point, is electrically connected between described first signaling point and described secondary signal point by described protection circuit.
In line protective structure of the present utility model, described protection circuit comprises the first electric connection point be connected with described first signaling point, and the second electric connection point be connected with described secondary signal point.
In line protective structure of the present utility model, described circuit board is provided with the first solder joint mated with described first electric connection point, described circuit board is provided with the second solder joint mated with described second electric connection point.
In line protective structure of the present utility model, be tightly connected between the periphery of described over cap and described circuit board.
In line protective structure of the present utility model, described circuit board is provided with the multiple pads for being tightly connected with described over cap, described multiple pad distributes along the periphery of described over cap.
In line protective structure of the present utility model; described target line comprises signal deteching circuit, executive circuit and chip; the input end of described signal deteching circuit is electrically connected with described first signaling point and described secondary signal point respectively; output terminal and the described executive circuit of described signal deteching circuit are electrically connected, and described executive circuit and described chip are electrically connected.
In line protective structure of the present utility model, described signal deteching circuit and described executive circuit are positioned at the inside of described chip, and described signal deteching circuit is a signal detection module, and described executive circuit is an execution module.
In line protective structure of the present utility model, silk-screen or be electroplate with described protection circuit on the internal face of described over cap.
A kind of route protection lid is have also been constructed in the technical solution of the utility model; target line on covering board; comprising lid, the internal face of described lid being provided with the protection circuit of the first signaling point for being communicated with described target line and secondary signal point.
In route protection lid of the present utility model, be tightly connected between the periphery of described lid and described circuit board.
Implement the technical solution of the utility model; at least there is following beneficial effect: the over cap of this line protective structure covers in target line on circuit boards; target line then on circuit board normally works; and the internal face of over cap is provided with protection circuit; when over cap suffers outside destroy; this protection circuit can disconnect, and makes the information in target line can instantaneous deletion.Thus this line protective structure can ensure the reliability of target line work, again can the information security of containment objective circuit.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the line protective structure in an embodiment of the present utility model;
Fig. 2 is the inside structure schematic diagram of the over cap in an embodiment of the present utility model;
Fig. 3 is the structural representation of the target line in an embodiment of the present utility model;
Wherein, 1, circuit board; 11, signal deteching circuit; 12 executive circuits; 13, chip; 2, over cap; 3, target line; 31, the first signaling point; 32, secondary signal point; 4, protection circuit; 41, the first electric connection point; 42, the second electric connection point.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
Fig. 1 to Fig. 3 shows a kind of line protective structure in the utility model, and this line protective structure can be protected the information in the circuit of product, the information in the chip 13 in the core circuit of particularly product.Concrete, after the core circuit of product employs the line protective structure in the utility model, when running into malicious intrusions, can the instantaneous information eliminated in chip 13 while line protective structure is destroyed, to ensure that the information in chip 13 does not leak.
Fig. 1 is the structural representation of the line protective structure in an embodiment of the present utility model.Fig. 2 is the inside structure schematic diagram of the over cap 2 in an embodiment of the present utility model.Fig. 3 is the structural representation of the target line 3 in an embodiment of the present utility model.
As shown in Figure 1 to Figure 2, this line protective structure comprises circuit board 1 and over cap 2.Circuit board 1 is provided with target line 3, over cap 2 is arranged on the circuit card 1 and coverage goal circuit 3, the internal face of over cap 2 is provided with protection circuit 4.
Consult Fig. 1, this target line 3 is comprised the first signaling point 31 and is electrically connected by protection circuit 4 between secondary signal point 32, first signaling point 31 and secondary signal point 32.The Main Function of this protection circuit 4 is to form a loop between the first signaling point 31 and secondary signal point 32, and it is equivalent for making between this first signaling point 31 and secondary signal point 32.Understandably; first signaling point 31 is not limited to a pair with the logarithm of secondary signal point 32; multipair first signaling point 31 and secondary signal point 32 can be comprised in target line 3; correspondingly; according to multipair first signaling point 31 and secondary signal point 32, the protection circuit 4 on the internal face of over cap 2 is expanded, make this protection circuit 4 can make to form loop between often pair of first signaling point 31 and secondary signal point 32.
Consult Fig. 2, this protection circuit 4 comprises the first electric connection point 41 be connected with the first signaling point 31, and the second electric connection point 42 be connected with secondary signal point 32.Namely over cap 2 is closely attached to after on circuit board 1, and the first electric connection point 41 of the protection circuit 4 on the internal face of over cap 2 is connected with the first signaling point 31, and the second electric connection point 42 of the protection circuit 4 on the internal face of over cap 2 is connected with secondary signal point 32.
During concrete enforcement; when the target line 3 be sealed between over cap 2 and circuit board 1 normally works; equivalent between first signaling point 31 of target line 3 and secondary signal point 32; after over cap 2 is destroyed; protection circuit 4 on the internal face of over cap 2 disconnects; no longer equivalence between first signaling point 31 of target line 3 and secondary signal point 32; namely target line 3 detects that the signal of the first signaling point 31 is different from the signal of secondary signal point 32, then the information in target line 3 can be eliminated.Generally, this first signaling point 31 is the source signal point of target line 3, and this secondary signal point 32 is the detection signal point of target line 3, and this circuit board 1 is pcb board.
To sum up; the over cap 2 of this line protective structure covers in target line 3 on the circuit card 1; target line 3 then on circuit board 1 normally works; and the internal face of over cap 2 is provided with protection circuit 4; when over cap 2 suffers outside destroy; this protection circuit 4 can disconnect, and makes the information in target line 3 can instantaneous deletion.Thus this line protective structure can ensure the reliability that target line 3 works, again can the information security of containment objective circuit 3.
Consult Fig. 3, this target line 3 can comprise signal deteching circuit 11, executive circuit 12 and chip 13, the input end of signal deteching circuit 11 is electrically connected with the first signaling point 31 and secondary signal point 32 respectively, output terminal and the executive circuit 12 of signal deteching circuit 11 are electrically connected, and executive circuit 12 and chip 13 are electrically connected.The Main Function of this signal deteching circuit 11 is that whether the signal between detection first signaling point 31 and secondary signal point 32 is identical, namely whether equivalently detect between the first signaling point 31 and secondary signal point 32, particularly, whether the electric current that can detect between the first signaling point 31 and secondary signal point 32 is identical, or whether the voltage that can detect between the first signaling point 31 and secondary signal point 32 is equal.Certainly the specific implementation of this equivalence has diversity, but all in protection domain of the present utility model.
In certain embodiments, this signal deteching circuit 11 and executive circuit 12 can be positioned at the inside of chip 13, and signal deteching circuit 11 can be a signal detection module, and executive circuit 12 can be an execution module.
In certain embodiments, the connected mode that the first electric connection point 41 is connected with the first signaling point 31 is varied, and the first electric connection point 41 in the utility model is connected with the first signaling point 31 and is preferably welded to connect.The connected mode that second electric connection point 42 is connected with secondary signal point 32 is varied, and the second electric connection point 42 in the utility model is connected with secondary signal point 32 and is preferably welded to connect.
In certain embodiments, circuit board 1 is provided with the first solder joint mated with the first electric connection point 41, circuit board 1 is provided with the second solder joint mated with the second electric connection point 42.The position of this first solder joint and the second solder joint has multiple choices, can determine according to the circuit distribution of actual product, the position of the first solder joint in the utility model is preferably consistent with the position of the first signaling point 31, and the position of the second solder joint is preferably consistent with the position of secondary signal point 32.
In certain embodiments, be tightly connected between the periphery of over cap 2 and circuit board 1.Namely seamless between this over cap 2 and circuit board 1, its role is to make the objective circuit on circuit board 1 be sealed in over cap 2, external force cannot be invaded from the side of over cap 2.Thus further increasing the reliability of this line protective structure.
In certain embodiments, the structure that over cap 2 is connected with circuit board 1 is varied, the circuit board 1 in the utility model is preferably provided with the multiple pads for being tightly connected with over cap 2, and multiple pad distributes along the periphery of over cap 2.
In certain embodiments, the over cap 2 in the utility model preferably adopts extraordinary plastic cement to make, and the over cap 2 adopting this extraordinary plastic cement to make is high temperature resistant, then directly can process protection circuit 4 by the mode of SMT paster on the internal face of over cap 2.
Further, the methods such as silk-screen, plating, turmeric are adopted protection circuit 4 to be arranged on the internal face of over cap 2 all in protection domain of the present utility model.
A kind of route protection lid is also disclosed, its target line on covering board in the utility model.When being applied in the line protective structure in the utility model, this route protection lid is above-mentioned over cap, and this route protection lid comprises lid, the internal face of lid is provided with the protection circuit of the first signaling point for being communicated with target line and secondary signal point.And be tightly connected between the periphery of lid and circuit board.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various change, combination and change.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present utility model.
Claims (10)
1. a line protective structure, is characterized in that, comprises circuit board (1) and over cap (2); Described circuit board (1) is provided with target line (3), described over cap (2) is arranged on described circuit board (1) and goes up and cover described target line (3), the internal face of described over cap (2) is provided with protection circuit (4);
Described target line (3) comprises the first signaling point (31) and secondary signal point (32), is electrically connected between described first signaling point (31) and described secondary signal point (32) by described protection circuit (4).
2. line protective structure according to claim 1; it is characterized in that; described protection circuit (4) comprises the first electric connection point (41) be connected with described first signaling point (31), and the second electric connection point (42) be connected with described secondary signal point (32).
3. line protective structure according to claim 2; it is characterized in that; described circuit board (1) is provided with the first solder joint mated with described first electric connection point (41), described circuit board (1) is provided with the second solder joint mated with described second electric connection point (42).
4. line protective structure according to claim 1, is characterized in that, is tightly connected between the periphery of described over cap (2) and described circuit board (1).
5. line protective structure according to claim 4, is characterized in that, described circuit board (1) is provided with the multiple pads for being tightly connected with described over cap (2), described multiple pad distributes along the periphery of described over cap (2).
6. the line protective structure according to any one of claim 1 to 5; it is characterized in that; described target line (3) comprises signal deteching circuit (11), executive circuit (12) and chip (13); the input end of described signal deteching circuit (11) is electrically connected with described first signaling point (31) and described secondary signal point (32) respectively; output terminal and the described executive circuit (12) of described signal deteching circuit (11) are electrically connected, and described executive circuit (12) and described chip (13) are electrically connected.
7. line protective structure according to claim 6; it is characterized in that; described signal deteching circuit (11) and described executive circuit (12) are positioned at the inside of described chip (13); described signal deteching circuit (11) is a signal detection module, and described executive circuit (12) is an execution module.
8. the line protective structure according to any one of claim 1 to 5, is characterized in that, silk-screen or be electroplate with described protection circuit (4) on the internal face of described over cap (2).
9. a route protection lid, the target line on covering board, is characterized in that, comprises lid, the internal face of described lid is provided with the protection circuit of the first signaling point for being communicated with described target line and secondary signal point.
10. route protection lid according to claim 9, is characterized in that, is tightly connected between the periphery of described lid and described circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833500.9U CN204406406U (en) | 2014-12-24 | 2014-12-24 | Line protective structure and route protection lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833500.9U CN204406406U (en) | 2014-12-24 | 2014-12-24 | Line protective structure and route protection lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204406406U true CN204406406U (en) | 2015-06-17 |
Family
ID=53430248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420833500.9U Active CN204406406U (en) | 2014-12-24 | 2014-12-24 | Line protective structure and route protection lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204406406U (en) |
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2014
- 2014-12-24 CN CN201420833500.9U patent/CN204406406U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |