CN103593629B - A kind of board identification encryption device - Google Patents
A kind of board identification encryption device Download PDFInfo
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- CN103593629B CN103593629B CN201310482754.0A CN201310482754A CN103593629B CN 103593629 B CN103593629 B CN 103593629B CN 201310482754 A CN201310482754 A CN 201310482754A CN 103593629 B CN103593629 B CN 103593629B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/72—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in cryptographic circuits
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- General Engineering & Computer Science (AREA)
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- Alarm Systems (AREA)
Abstract
The open a kind of board identification encryption device of the present invention, described board identification encryption device is included mainboard and multiple pluggable from plate, is plugged on described mainboard by contact pin mode from plate；Described mainboard is provided with master controller MCU and multiple from plate encrypted circuit, is read by described master controller MCU described after plate information at described mainboard, controls corresponding being encrypted the described data message from plate from plate encrypted circuit by master controller MCU.The technical program not only realizes board identification, and is encrypted board data message, is effectively increased the data information security of board.
Description
Technical field
The present invention relates to Intelligent monitoring device field, particularly relate to a kind of board identification encryption device.
Background technology
In Intelligent monitoring device, generally individually use modularized design, various functions are individually integrated into not
On same board, to meet different demands, when dealing with different application occasion, use corresponding board
Combining, such level of integrated system is high, and strong adaptability is also liked by client deeply.
In such technical grade product, typically there is one block of plate as motherboard, i.e. mainboard, other plate
Card is all connected on motherboard by contact pin, and each piece of sub-version is linked together by motherboard by simple circuit.
In present stage product, general employing parameter configuration software comes different board manual configuration different
Parameter, the problem brought is, board type is many, it is not easy to distinguish various board, and various board
Data message confidentiality is not strong, is easily copied for some confidential information and usurps.
Summary of the invention
The technical problem to be solved in the present invention is, for existing board when being installed to motherboard, and board
Type is difficult to identified and the strongest to the data message confidentiality of board technical problem, it is provided that a kind of board
Easily identify and board data message continued the board identification encryption device of encryption.
The technical solution adopted for the present invention to solve the technical problems is: a kind of board identification encryption device,
Described board identification encryption device includes mainboard and multiple pluggable from plate, is inserted by contact pin mode from plate
It is connected on described mainboard；
Described mainboard is provided with master controller and multiple from plate encrypted circuit, at described mainboard by described master
Controller reads described after plate information, by main controller controls corresponding from plate encrypted circuit to described
It is encrypted from the data message of plate.
Further, described mainboard is additionally provided with from plate corresponding multiple from board status monitoring interface and from
Plate information encryption interface；
Described from plate encrypted circuit include audion Q1, resistance R9, resistance R10, encryption chip U1,
Electric capacity C3 and power supply VCC, wherein, the base stage of described audion Q1 is connected wherein by resistance R9
Monitoring interface from board status for one, the colelctor electrode of described audion Q1 connects power supply respectively by resistance R10
VCC and by electric capacity C3 ground connection, the emitter stage of described audion Q1 connects the PRW of described encryption chip
Pin, the VSS pin ground connection of described encryption chip U1, the SDQ pin of described encryption chip connects should
From plate corresponding from plate information encrypt interface.
Further, described board identification encryption device also include being connected with described master controller from tabular
State testing circuit and warning circuit, wherein:
Whether described testing circuit, insert institute from plate described in being detected by the middle fracture on master controller
State mainboard；
Described warning circuit, for exporting corresponding warning information described in plug from plate time.
Further, described include that a plurality of detection branch, every detection branch are divided from board status testing circuit
Do not include a contact pin, a resistance and a middle fracture, described contact pin one end and middle fracture and resistance one
End connects, and contact pin other end ground connection described also includes electric capacity C2 and power supply from board status testing circuit
VCC, in a plurality of detection branch, the other end of resistance connects power supply VCC and respectively by electric capacity C2 ground connection；
When described master controller has detected and inserted from plate, control correspondence exports one from board status monitoring interface
Individual high level signal.
Further, described warning circuit includes audion Q2, diode D, buzzer SP, resistance
R11 and power supply VCC, wherein, the colelctor electrode of described audion Q2 is respectively with described diode D's
One end of anode and described buzzer SP connects, the grounded emitter of described audion Q2, described two poles
The negative electrode of pipe D and the other end of described buzzer SP connect power supply VCC, institute by resistance R11 respectively
State and on mainboard, be additionally provided with multiple alarm control interfaces corresponding and that be connected with master controller with from plate, often
Individual alarm controls the corresponding warning circuit of interface and one from plate, and described each alarm controls interface respectively
Connect with the base stage of the audion Q2 in corresponding warning circuit；Come off from plate when master controller has detected
Or when being pulled out, control corresponding alarm and control interface one high level signal of output.
Further, the described data message from plate includes described from the type of plate, version information and institute thereof
The information of storage.
Further, described mainboard also includes that the LCD being connected with described master controller by data/address bus is shown
Show module, wherein, described LCD display module, described from the data message of plate for showing.
Further, described from the number of plate be eight.
Further, described master controller includes eight middle fractures, described mainboard is respectively equipped with eight from
Plate information monitoring interface, from plate information encryption interface and alarm control mouth.
Further, the signal of described encryption chip U1 is BQ26100.
Implement technical scheme, have the advantages that the master controller on mainboard reads institute
State from plate information, and by master controller MCU control corresponding from plate encrypted circuit to the described number from plate
It is believed that breath is encrypted, not only realize board identification, and board data message is encrypted,
It is effectively increased the data information security of board.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the board identification encryption device of an embodiment of the present invention；
Fig. 2 is the pin schematic diagram of master controller of the present invention；
Fig. 3 is the present invention circuit diagram from board status testing circuit；
Fig. 4 is the present invention circuit diagram from plate encrypted circuit；
Fig. 5 is the circuit diagram of warning circuit of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and
Embodiment, is further elaborated to the present invention.Should be appreciated that described herein being embodied as
Example only in order to explain the present invention, is not intended to limit the present invention.
In this scenario, this board identification encryption device includes mainboard and multiple pluggable from plate, from plate
It is connected with described mainboard respectively by contact pin mode, it should be noted that can should be dissimilar from plate
Functional cards or the functional cards of same type.
The effect of various piece be described below:
Described mainboard includes that master controller MCU, described mainboard also include by data/address bus and described master control
The LCD display module that device MCU processed connects, wherein, described LCD display module, it is used for showing described
From plate information.
Described it is provided with for record from the data message of plate from plate；Wherein, the described data message from plate
Including described from the type of plate, version information and the information stored thereof.
Refer to the structural representation that Fig. 1, Fig. 1 are board identification encryption devices of the present invention, as it is shown in figure 1,
Described mainboard is provided with master controller MCU101 and multiple from plate encrypted circuit 103, leads at described mainboard
Cross described master controller MCU101 and read described after plate information, controlled by master controller MCU101
Corresponding is encrypted the described data message from plate from plate encrypted circuit 103.
Further, described device also include being connected with described master controller MCU101 respectively from tabular
State testing circuit 102 and warning circuit 104.
In the present embodiment, described from the number of plate be 8, it should be noted that in the present embodiment, from
The number of plate is 8 to be intended only as an example, and those skilled in the art is it is to be appreciated that from the number of plate
Can select voluntarily according to user's request, not repeat them here, further, described mainboard is additionally provided with
From plate corresponding multiple from board status monitoring interface and from plate information encrypt interface.
The effect of various piece be described below:
Described master controller MCU101, for detect described inserts from plate time control respectively described in from
The reading of plate information and encryption and the reading of described warning information.
The pin signal of master controller MCU101 as in figure 2 it is shown, in the present embodiment, master controller
MCU101 include eight middle fractures, eight control interfaces etc. from board status monitoring interface, eight alarms.
Wherein, eight middle fractures are respectively INT1～INT8, and eight alarms control interface and are respectively I/O1～I/08,
Eight are respectively I/O9～I/16 from board status monitoring interface.
Described from board status testing circuit 102, for by the middle fracture of described master controller MCU101
Whether described mainboard is inserted by contact pin mode from plate described in Jian Ce.
From board status testing circuit 102 as it is shown on figure 3, described include a plurality of inspection from board status testing circuit
Surveying branch road, every detection branch includes a contact pin, a resistance and a middle fracture respectively, described slotting
Pin one end is connected with middle fracture and resistance one end, contact pin other end ground connection, described from board status testing circuit
Also including electric capacity C2 and power supply VCC, in a plurality of detection branch, the other end of resistance connects power supply respectively
VCC and by electric capacity C2 ground connection；When described master controller MCU has detected and inserted from plate, control
Corresponding exports a high level signal from board status monitoring interface.
In the present embodiment, described from board status testing circuit 102 include first contact pin the 1, second contact pin 2,
3rd contact pin the 3, the 4th contact pin the 4, the 5th contact pin the 5, the 6th contact pin the 6, the 7th contact pin the 7, the 8th contact pin 8,
Resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance
R8, electric capacity C2 and power supply VCC, wherein, one end of described first contact pin 1 respectively with first in fracture
One end of INT1 and resistance R1 connects, 2 one end of described second contact pin respectively with second in fracture INT2
Connect with one end of resistance R2, one end of described 3rd contact pin 3 respectively with the 3rd in fracture INT3 and electricity
Resistance R3 one end connect, one end of described 4th contact pin 4 respectively with the 4th in fracture INT4 and resistance R4
One end connect, one end of described 5th contact pin 5 respectively with the 5th in fracture INT5 and the one of resistance R5
End connects, one end of described 6th contact pin 6 respectively with the 6th in fracture INT6 and resistance R6 one end even
Connecing, one end with fracture INT7 in the 7th and resistance R7 respectively, one end of described 7th contact pin 7 is connected,
One end with fracture INT8 in the 8th and resistance R8 respectively, one end of described 8th contact pin 8 is connected, described
The other end of resistance R1, the other end of described resistance R2, the other end of described resistance R3, described electricity
The resistance other end of R4, the other end of described resistance R5, the other end of described resistance R6, described resistance
The other end of R7 and the other end of described resistance R8 connect power supply VCC and respectively by electric capacity C2 ground connection,
The other end of described first contact pin 1, the other end of described second contact pin 2, described 3rd contact pin 3 another
One end, the other end of described 4th contact pin 4, the other end of described 5th contact pin 5, described 6th contact pin 6
The other end and the other end respectively ground connection of described 7th contact pin 7.
It should be noted that, should be from the operation principle of board status testing circuit: when being inserted into mainboard from plate
After, contact pin pressuring spring, conducting ground connection, output low level, and by this low level output to master controller
The middle fracture of MCU101, thus judge have from plate insertion；Generally, it is not inserted into plate from plate,
The middle fracture of master controller MCU101 is defaulted as high level.
Read by described master controller MCU101 described after plate information at described mainboard, pass through master control
Device MCU101 processed controls corresponding being encrypted the described data message from plate from plate encrypted circuit.
From plate encrypted circuit 103 as shown in Figure 4, in the present embodiment from plate encrypted circuit 103 be multiple,
Each from plate encrypted circuit 103 include audion Q1, resistance R9, resistance R10, encryption chip U1,
Electric capacity C3 and power supply VCC, wherein, the base stage of described audion Q1 is connected wherein by resistance R9
Monitoring interface from board status for one, the colelctor electrode of described audion Q1 connects power supply respectively by resistance R10
VCC and by electric capacity C3 ground connection, the emitter stage of described audion Q1 connects the PRW of described encryption chip
Pin, the VSS pin ground connection of described encryption chip U1, the SDQ pin of described encryption chip connects should
From plate corresponding from plate information encrypt interface.In the present embodiment, from board status monitoring interface I/09 to be
Example, when master controller MCU101 has been detected from plate insertion mainboard by middle port INT1, controls
Exporting high level from board status monitoring interface I/09, audion Q1 turns on, and starts encryption chip U1 work,
The data message from plate inserted is read out, and completes the encrypted work from plate data message.This reality
Execute in example, it is preferable that described encryption chip uses model to be the chip of BQ26100
Described warning circuit 104, for exporting corresponding warning information described in plug from plate time.
Warning circuit 104 is as it is shown in figure 5, described warning circuit includes audion Q2, diode D, honeybee
Ring device SP, resistance R11 and power supply VCC, wherein, the colelctor electrode of described audion Q2 respectively with institute
One end of the anode and described buzzer SP of stating diode D connects, and the emitter stage of described audion Q2 connects
Ground, the negative electrode of described diode D and the other end of described buzzer SP are connected by resistance R11 respectively
Power supply VCC, described mainboard is additionally provided with from plate corresponding and be connected many with master controller MCU
Individual alarm controls interface, and each alarm controls the corresponding warning circuit of interface and one from plate, described often
Individual alarm controls interface and connects with the base stage of the audion Q2 in corresponding warning circuit respectively；Work as main control
Device MCU has detected when coming off from plate or be pulled out, and controls corresponding alarm and controls interface output one
High level signal.
In the present embodiment, control as a example by interface I/O1 by alarm, take off from plate 1 when master controller detects
When falling or be pulled out, I/O1 exports high level, then audion Q2 conducting, forms loop, can pass through buzzing
Device SP exports corresponding alarm sound, carries out sound it is to be understood that can also arrange when plate 1 inserts
Sound is pointed out, and is belonging to insert or extract from plate 1 to distinguish, and buzzer SP can be carried out accordingly by user
Setting, such as when extracting, buzzer sends continuous print alarm sound, during insertion, between buzzer sends
Disconnected alarm sound etc..
It is provided with master controller MCU by described mainboard and multiple from plate encrypted circuit, leads at described mainboard
Cross described master controller MCU and read described after plate information, control correspondence by master controller MCU
From plate encrypted circuit, the described data message from plate is encrypted.It is possible not only to realize from the information of plate
Automatic reading identification, and can be encrypted from the data message of plate, exempt human configuration
The serious consequence brought of maloperation, accomplish that on-the-spot realization exempts from configuration, save a large amount of man power and material；With
Time be effectively increased the data information security of board.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for this
For the technical staff in field, the present invention can have various modifications and variations.All spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included in the right of the present invention
Within claimed range.
Claims (9)
1. a board identification encryption device, it is characterised in that: described board identification encryption device includes mainboard and multiple pluggable from plate, is plugged on described mainboard by contact pin mode from plate；
Described mainboard is provided with master controller and multiple from plate encrypted circuit, is read described after plate information, by corresponding being encrypted the described data message from plate from plate encrypted circuit of main controller controls by described master controller at described mainboard；
Be additionally provided with on described mainboard with from plate corresponding multiple from board status monitoring interface and from plate information encrypt interface；
Described include audion Ql, resistance R9, resistance R10, encryption chip Ul, electric capacity C3 and power supply VCC from plate encrypted circuit, wherein, the base stage of described audion Ql connects one of them by resistance R9 and monitors interface from board status, the colelctor electrode of described audion Ql connects power supply VCC and by electric capacity C3 ground connection respectively by resistance R10, the emitter stage of described audion Ql connects the PRW pin of described encryption chip, the VSS pin ground connection of described encryption chip Ul, the SDQ pin of described encryption chip connect this from plate corresponding from plate information encrypt interface.
Board identification encryption device the most according to claim 1, it is characterised in that: described board identification encryption device also include being connected with described master controller from board status testing circuit and warning circuit, wherein:
Described from board status testing circuit, described in being detected by the middle fracture on master controller, whether insert described mainboard from plate；
Described warning circuit, for exporting corresponding warning information described in plug from plate time.
Board identification encryption device the most according to claim 2, it is characterized in that, described include a plurality of detection branch from board status testing circuit, every detection branch includes a contact pin, a resistance and a middle fracture respectively, described contact pin one end is connected with middle fracture and resistance one end, contact pin other end ground connection, described also includes electric capacity C2 and power supply VCC from board status testing circuit, and in a plurality of detection branch, the other end of resistance connects power supply VCC and respectively by electric capacity C2 ground connection；When described master controller has detected and inserted from plate, control correspondence exports a high level signal from board status monitoring interface.
Board identification encryption device the most according to claim 3, it is characterized in that: described warning circuit includes audion Q2, diode D, buzzer SP, resistance R11 and power supply VCC, wherein, the colelctor electrode of described audion Q2 one end with the anode of described diode D and described buzzer SP respectively is connected, the grounded emitter of described audion Q2, the negative electrode of described diode D and the other end of described buzzer SP connect power supply VCC by resistance R11 respectively, it is additionally provided with multiple alarms corresponding and that be connected with master controller with from plate on described mainboard and controls interface, each alarm controls the corresponding warning circuit of interface and one from plate, described each alarm controls interface and connects with the base stage of the audion Q2 in corresponding warning circuit respectively；When master controller has detected and come off from plate or be pulled out, control corresponding alarm and control interface one high level signal of output.
Board identification encryption device the most according to claim 1, it is characterised in that: the described data message from plate includes described from the type of plate, version information and the information stored thereof.
Board identification encryption device the most according to claim 1, it is characterised in that: described mainboard also includes the LCD display module being connected by data/address bus, wherein, described LCD display module with described master controller, described from the data message of plate for showing.
Board identification encryption device the most according to claim 4, it is characterised in that: described from the number of plate be eight.
Board identification encryption device the most according to claim 7, it is characterised in that: described master controller includes eight middle fractures, described mainboard is respectively equipped with eight from plate information monitoring interface, from plate information encryption interface and alarm control interface.
Board identification encryption device the most according to claim 1, it is characterised in that: the model of described encryption chip Ul is BQ261000.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310482754.0A CN103593629B (en) | 2013-10-15 | 2013-10-15 | A kind of board identification encryption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310482754.0A CN103593629B (en) | 2013-10-15 | 2013-10-15 | A kind of board identification encryption device |
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| CN103593629A CN103593629A (en) | 2014-02-19 |
| CN103593629B true CN103593629B (en) | 2016-09-14 |
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| CN201310482754.0A Active CN103593629B (en) | 2013-10-15 | 2013-10-15 | A kind of board identification encryption device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110569677B (en) * | 2019-09-02 | 2020-10-09 | 江苏云涌电子科技股份有限公司 | Method for identifying multiple encryption cards |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782950A (en) * | 2009-01-16 | 2010-07-21 | 深圳市维信联合科技有限公司 | System for communication control between motherboard and onboard equipment and method thereof |
| CN202042018U (en) * | 2010-11-12 | 2011-11-16 | 上海洪芸投资管理有限公司 | Terminal of internet of things capable of supporting e-payment |
| CN103034153A (en) * | 2012-12-20 | 2013-04-10 | 航天科工深圳（集团）有限公司 | Intelligent monitoring device and device identifying interior slave plates of intelligent monitoring device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005149416A (en) * | 2003-11-19 | 2005-06-09 | Fuji Xerox Co Ltd | Image forming apparatus and its replacement part |
| US20070143864A1 (en) * | 2005-12-15 | 2007-06-21 | Symbol Technologies, Inc. | Methods and apparatus for power source authentication |
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2013
- 2013-10-15 CN CN201310482754.0A patent/CN103593629B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782950A (en) * | 2009-01-16 | 2010-07-21 | 深圳市维信联合科技有限公司 | System for communication control between motherboard and onboard equipment and method thereof |
| CN202042018U (en) * | 2010-11-12 | 2011-11-16 | 上海洪芸投资管理有限公司 | Terminal of internet of things capable of supporting e-payment |
| CN103034153A (en) * | 2012-12-20 | 2013-04-10 | 航天科工深圳（集团）有限公司 | Intelligent monitoring device and device identifying interior slave plates of intelligent monitoring device |
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