CN201846524U - Improved structure of PCB (printed circuit board) circuit protection device - Google Patents
Improved structure of PCB (printed circuit board) circuit protection device Download PDFInfo
- Publication number
- CN201846524U CN201846524U CN 201020559737 CN201020559737U CN201846524U CN 201846524 U CN201846524 U CN 201846524U CN 201020559737 CN201020559737 CN 201020559737 CN 201020559737 U CN201020559737 U CN 201020559737U CN 201846524 U CN201846524 U CN 201846524U
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- protection
- pcb
- circuit board
- pcb board
- flexible circuit
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- Expired - Lifetime
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- Emergency Protection Circuit Devices (AREA)
- Storage Device Security (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The utility model provides an improved structure of a PCB (printed circuit board) circuit protection device. The structure comprises a casing of the whole device, and a PCB with protection wirings, wherein key golden fingers are arranged on the PCB; the PCB is covered by a layer of flexible circuit board covered with protection wirings; and protection metal domes are arranged on the bottom surface of the flexible circuit board, and are respectively and electrically connected with the protection wirings on the flexible circuit board and the protection wirings on the PCB. The structure is characterized in that an enclosed space formed by the protection wirings in an encircled manner is arranged between the flexible circuit board and the PCB, and a memory and an MCU (micro control unit) for storing sensitive data are arranged in the space. The PCB circuit protection device is combined with the protecting structure for protecting the memory and the MCU which are arranged on the PCB for storing the sensitive data, and the structure is simple, reasonable and smart, so that the modules of the PCB circuit board protection device are reduced, and products are easy to install and highly reliable.
Description
[technical field]
The utility model relates to a kind of protective device of electronic equipment, particularly a kind of improvement structure of pcb board circuit protection device.
[background technology]
Such as the electronic equipment of POS machine, code keypad, ATM and other financial field, the pcb board in its equipment is provided with the anti-contact of taking off of a plurality of connection protection cablings, and conductive rubber is pressed on anti-taking off on the contact by machine shell, makes the anti-testing circuit conducting of taking off.Like this, if the assailant attempts full wafer when opening machine shell and attacking this equipment, conductive rubber is just taken off the contact and is unclamped with anti-; cause that the anti-testing circuit of taking off opens circuit etc.; thereby trigger related mechanism to wipe the sensitive data information of main frame, like this, sensitive data information has just obtained effective protection.But the assailant can not touch anti-taking off under the situation of contact, use sharp other instruments such as pocket knife, excavate machine shell, store the MEMORY and the MCU of sensitive data, thereby the attack of being correlated with, distort to obtain personal identification number until manifesting being used on the pcb board.
The applicant is the improvement structure that discloses a kind of keyboard circuit protective device among the 2010.07.21 at Chinese utility model patent 201532882U publication number and open day; comprise machine shell and be provided with the keyboard pcb board of protecting cabling; this keyboard pcb board is provided with the button golden finger; the top of described keyboard pcb board covers one deck and is covered with the flexible circuit board of protecting cabling; it is young that the bottom surface of described flexible circuit board is provided with protection pot, this protection pot young respectively with described flexible circuit board on protection cabling and the protection cabling on the keyboard pcb board electrically connect.Its advantage is: as a kind of improvement of existing keyboard circuit protective device, the protection cabling and the protection cabling on the keyboard pcb board of flexible circuit board are electrically connected by the protection pot is young, make on the flexible circuit board the protection cabling with being connected of protection cabling become simpler on the keyboard pcb board, connect more reliable; Simultaneously will prevent taking off post again; also will be pressed in the young top of described protection pot in addition; can will prevent taking off protection and be one with the set of keyboard circuit protective device; simple and reasonable and ingenious, in addition, also button pot son is integrated on the flexible circuit board; can save the setting of the young sheet paster of pot; make structure simpler, but also more laborsaving can make button the time, feel is better.
As the electronic equipment of financial field, to take off protection and the keyboard circuit protection except anti-, it also is easy object under fire that pcb board is provided with the MEMORY and the MCU that are used to store sensitive data, also needs to be protected.Be one because this utility model only will prevent taking off protection with keyboard circuit protective device set, fail to protect the MEMORY and the MCU that are used to store sensitive data, the MEMORY and the MCU that are used to store sensitive data also need other protection mechanism and structure.
[utility model content]
The technical problems to be solved in the utility model is to provide a kind of improvement structure of pcb board circuit protection device, is about to that being used on pcb board circuit protection device and the pcb board stored the MEMORY of sensitive data and the protection of MCU combines.
The technical problems to be solved in the utility model is achieved in that a kind of improvement structure of pcb board circuit protection device; comprise machine shell and be provided with the pcb board of protecting cabling; this pcb board is provided with the button golden finger; the top of described pcb board covers one deck and is covered with the flexible circuit board of protecting cabling; it is young that the bottom surface of described flexible circuit board is provided with the protection pot; this protection pot young respectively with described flexible circuit board on protection cabling and the protection cabling on the pcb board electrically connect; it is characterized in that: be provided with the space of a sealing that surrounds by described protection cabling between described flexible circuit board and the described pcb board, be provided with the MEMORY and the MCU that are used to store sensitive data in the described space.
Usefulness of the present utility model is: as a kind of improvement of existing pcb board circuit protection device; flexible circuit board has local space of upwards heaving; below, the space of heaving pcb board is provided with MEMORY and the MCU that is used to store sensitive data, and pcb board is provided with the MEMORY and the MCU that are used for storing sensitive data and just can be hidden in the space of heaving on the flexible circuit board like this.Being used on pcb board circuit protection device and the pcb board stored the MEMORY of sensitive data to the utility model and the protection of MCU combines; simple and reasonable and ingenious; reduced the module of pcb board circuit protection device like this, and product is easy to the reliability height is installed.
[description of drawings]
Fig. 1 is the improvement STRUCTURE DECOMPOSITION schematic diagram of the utility model pcb board circuit protection device.
Fig. 2 is the bottom surface structure of the flexible circuit board of the utility model embodiment one.
Fig. 3 is the bottom surface structure of the flexible circuit board of the utility model embodiment two.
Fig. 4 is the catenation principle schematic diagram of flexible circuit board of the present utility model.
[embodiment]
Embodiment one
See also Fig. 1; Fig. 2 and shown in Figure 4; the improvement structure of pcb board circuit protection device of the present utility model; comprise machine shell 1 and be provided with the pcb board 2 of protecting cabling; this pcb board 2 is provided with button golden finger 21; the top of described pcb board 2 covers one deck and is covered with the flexible circuit board 3 of protecting cabling; the bottom surface of described flexible circuit board 3 is provided with protection pot young 32; this protection pot young 32 respectively with described flexible circuit board 3 on protection cabling and the protection cabling on the pcb board 2 electrically connect; be provided with the space 31 of a sealing that surrounds by described protection cabling between described flexible circuit board and the described pcb board; this space 31 is W shapes; described space 31 is upwards to be heaved by the part of flexible circuit board to form, and wherein is provided with MEMORY and the MCU22 that is used to store sensitive data in the space 31.The MEMORY and the MCU22 of storage sensitive data just can be hidden in the space of sealing like this.
As shown in Figure 4, disclose the catenation principle schematic diagram of a kind of flexible circuit board of the present utility model, being provided with a space 31 by the sealing of protecting cabling to surround between described flexible circuit board and the described pcb board is W shapes, and its longitudinal section is a T type structure.Its structure can well cover up the MEMORY and the MCU22 of the storage sensitive data on the pcb board.So, the MEMORY of the storage sensitive data on the pcb board and MCU22 just can be hidden in the space of the part of flexible circuit board upwards heaving, and make the MEMORY and the MCU22 of storage sensitive data obtain effective protection.
Embodiment two
As shown in Figure 3, present embodiment is compared with the foregoing description one, and its difference is: the space 31 that is provided with a sealing that is surrounded by described protection cabling between described flexible circuit board and the described pcb board is circular.
Among above-mentioned two embodiment, space 31 its shapes that are provided with a sealing that is surrounded by described protection cabling between described flexible circuit board and the described pcb board are not limit, and can be W shape, circle, trapezoidal or quadrangle.
As previously mentioned; usefulness of the present utility model is: as a kind of improvement of existing pcb board circuit protection device; flexible circuit board has local space of upwards heaving; below, the space of heaving pcb board is provided with MEMORY and the MCU that is used to store sensitive data, and pcb board is provided with the MEMORY and the MCU that are used for storing sensitive data and just can be hidden in the space of heaving on the flexible circuit board like this.Being used on pcb board circuit protection device and the pcb board stored the MEMORY of sensitive data to the utility model and the protection of MCU combines; simple and reasonable and ingenious; reduced the module of pcb board circuit protection device like this, and product is easy to the reliability height is installed.
The above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (2)
1. the improvement structure of a pcb board circuit protection device; comprise machine shell and be provided with the pcb board of protecting cabling; this pcb board is provided with the button golden finger; the top of described pcb board covers one deck and is covered with the flexible circuit board of protecting cabling; it is young that the bottom surface of described flexible circuit board is provided with the protection pot; this protection pot young respectively with described flexible circuit board on protection cabling and the protection cabling on the pcb board electrically connect; it is characterized in that: be provided with the space of a sealing that surrounds by described protection cabling between described flexible circuit board and the described pcb board, be provided with the MEMORY and the MCU that are used to store sensitive data in the described space.
2. the improvement structure of a kind of pcb board circuit protection device according to claim 1 is characterized in that: W shape, circle, the trapezoidal or quadrangle that forms upwards heaved in described space by the part of described flexible circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020559737 CN201846524U (en) | 2010-10-13 | 2010-10-13 | Improved structure of PCB (printed circuit board) circuit protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020559737 CN201846524U (en) | 2010-10-13 | 2010-10-13 | Improved structure of PCB (printed circuit board) circuit protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201846524U true CN201846524U (en) | 2011-05-25 |
Family
ID=44041397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020559737 Expired - Lifetime CN201846524U (en) | 2010-10-13 | 2010-10-13 | Improved structure of PCB (printed circuit board) circuit protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201846524U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105279456A (en) * | 2015-10-29 | 2016-01-27 | 江苏和乔科技股份有限公司 | Safety protection device capable of preventing information stealing through MCU circuit pins |
| CN108428308A (en) * | 2018-04-25 | 2018-08-21 | 福建升腾资讯有限公司 | A kind of veneer safety device of dual processors intelligence POS machine |
| WO2018205158A1 (en) * | 2017-05-10 | 2018-11-15 | Intel Corporation | Board protector for heatsink or integrated loading mechanism assemblies |
-
2010
- 2010-10-13 CN CN 201020559737 patent/CN201846524U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105279456A (en) * | 2015-10-29 | 2016-01-27 | 江苏和乔科技股份有限公司 | Safety protection device capable of preventing information stealing through MCU circuit pins |
| WO2018205158A1 (en) * | 2017-05-10 | 2018-11-15 | Intel Corporation | Board protector for heatsink or integrated loading mechanism assemblies |
| CN108428308A (en) * | 2018-04-25 | 2018-08-21 | 福建升腾资讯有限公司 | A kind of veneer safety device of dual processors intelligence POS machine |
| CN108428308B (en) * | 2018-04-25 | 2024-02-02 | 福建升腾资讯有限公司 | Single-board safety protection device of double-CPU intelligent POS machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |