CN106355110A - BMS hardware encryption system and encryption method thereof - Google Patents
BMS hardware encryption system and encryption method thereof Download PDFInfo
- Publication number
- CN106355110A CN106355110A CN201610748327.6A CN201610748327A CN106355110A CN 106355110 A CN106355110 A CN 106355110A CN 201610748327 A CN201610748327 A CN 201610748327A CN 106355110 A CN106355110 A CN 106355110A
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- bms
- control module
- encryption
- main control
- encrypted
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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
-
- 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
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Bioethics (AREA)
- General Health & Medical Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a BMS hardware encryption system and an encryption method thereof. The method comprises the steps of S101 the encrypted hardware circuit module sending the first encrypted identification code to BMS master control module; S102 the BMS master control verifying the first encrypted identification code and the seocnd encrypted identification code stored in the BMS master control module, if the verification succeeds, implementing step S103; and implementing S104 if fails; the BMS master control module of S103 sends enabled control instruction to BMS enabled power supply circuit module, and the enabled battery of the BMS enabled power supply circuit module manages the system electrifying work; and management system of S104 battery is under inoperation. The BMS hardware encryption system consists of encrypted hardware circuit module, BMS master control module, BMS enabled power supply circuit module, nattery pack and low-voltage power supply. The BMS hardware encryption system and encryption method thereof designs a BMS hardwarwe circuit with encryption function, which reduces the probability of hardware circuit being plagiarized, decreases the adverse impact of technology escape and provide the BMS hardware system with higher safety and reliability.
Description
Technical field
The present invention relates to a kind of bms circuit field of encryption, more particularly to a kind of bms hardware encryption system and its encryption side
Method.
Background technology
Application with new forms of energy is more and more extensive, and electric automobile is also used widely therewith.Electric automobile is by battery
Bag provides power.Battery bag is assembled with certain series-parallel system by multiple single battery cores.Battery management system (bms) is
Connect the important tie of battery bag and electric automobile, its major function includes: battery physical parameter real-time monitoring, battery status is estimated
Meter, inline diagnosis and early warning, charge and discharge are controlled with preliminary filling, balanced management and heat management etc., and it is safely electronic for realizing battery bag
Automobile is powered.The circuit board of battery management system is the core of whole battery management system.Because circuit board is to compare out
The design in source, so the circuit board of a lot of companies design is easily plagiarized by other manufacturers and used, makes the core skill of company itself
Art reveal, so that the sales volume of circuit board is reduced, simultaneously nor protection circuit plate design core technology, damage company interests,
Also reduce by the income of infringement company.
Content of the invention
The purpose of the present invention is to overcome weak point of the prior art, provides a kind of bms hardware with encryption function
Encryption system and its encryption method.
The purpose of the present invention is achieved through the following technical solutions:
A kind of bms hardware encryption system, comprising:
For sending the encryption hardware circuit module of the first Encrypted-identification-code；
For storing the bms main control module of second Encrypted-identification-code corresponding with described first Encrypted-identification-code, described
Bms main control module receive described encryption hardware circuit module the first Encrypted-identification-code, and with described second Encrypted-identification-code
Verified, if verifying successfully, sending and enabling control instruction to bms enable power supply circuits module；
Described bms enables power supply circuits module, and the enable control instruction according to described bms main control module enables cell tube
Reason system electrification work.
As preferred technical scheme, also include the low-tension supply powered for described battery management system.
A kind of bms hardware encryption method, comprising:
S101 encryption hardware circuit module sends the first Encrypted-identification-code to bms main control module；
Bms main control module described in s102 by the first Encrypted-identification-code be stored in the second of described bms main control module
Encrypted-identification-code is verified, if verifying successfully, execution step s103；If verifying unsuccessfully, execution step s104；
Bms main control module described in s103 sends and enables control instruction to bms enable power supply circuits module, and described bms makes
Can power supply circuits module enable battery management system work on power；
S104 battery management system does not work.
As preferred technical scheme, described step s101 is: described encryption hardware circuit module sends once above
First Encrypted-identification-code is to bms main control module；
Described step s102 is: described bms main control module is by the receive each time first Encrypted-identification-code and storage
The second Encrypted-identification-code in described bms main control module is verified, if all verifying successfully, execution step s103, and otherwise hold
Row step s104.
As preferred technical scheme, described step s101 is: described encryption hardware circuit module sends three times first and adds
Close identification code gives described bms main control module.
As preferred technical scheme, described step s104 is particularly as follows: described bms main control module no longer receives described adding
First Encrypted-identification-code of close hardware circuit module.
As preferred technical scheme, described step s104 will be particularly as follows: described bms main control module will verify failure command
Feed back to described encryption hardware circuit module, described encryption hardware circuit module does not retransmit the first Encrypted-identification-code to described
Bms main control module.
As preferred technical scheme, described step s104 will be particularly as follows: described bms main control module will verify failure command
Feed back to described encryption hardware circuit module, electricity under described encryption hardware circuit module.
As preferred technical scheme, described step s104 particularly as follows: under described bms main control module electricity.
As preferred technical scheme, after battery management system works on power, described bms main control module real-time detection institute
State characteristic information and/or the fault message of battery bag, if battery bag breaks down, control described battery bag to stop power supply defeated
Go out, described characteristic information is information of voltage, current information, any group between any one or three in temperature information
Close.
Compared with prior art, the beneficial effects of the present invention is:
The present invention provides a kind of bms hardware encryption system, is provided with hardware encryption circuit module in circuit, circuit can be entered
Row encryption, when system carries out power on operation it is necessary to the verification of advanced row information judges, after verification success, just can normally go up electricity,
Otherwise then can not normally work on power, realize the cryptographic operation of bms hardware circuit, decrease the probability that hardware circuit is plagiarized,
A kind of adverse effect that minimizing technology leaks, there is provided safer, more reliable bms hardware system.
Brief description
Fig. 1 is the structured flowchart of the bms hardware encryption system of one embodiment of the invention；
Fig. 2 is the flow chart of the bms hardware encryption method of one embodiment of the invention.
Specific embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing
Give the better embodiment of the present invention.But, the present invention can realize however it is not limited to herein in many different forms
Described embodiment.On the contrary, providing the purpose of these embodiments to be to make the disclosure is understood more
Plus it is thoroughly comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left ",
For illustrative purposes only, being not offered as is unique embodiment for " right " and similar statement.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body is it is not intended that in limiting the present invention.Term as used herein " and/or " include one or more
The arbitrary and all of combination of related Listed Items.
Embodiment one
The embodiment of the present invention one provides a kind of bms hardware encryption system, and Fig. 1 is that the bms hardware of one embodiment of the invention adds
The structured flowchart of close system 20.Refer to Fig. 1, a kind of bms hardware encryption system 20 includes: for sending the first Encrypted-identification-code
Encryption hardware circuit module 201；For storing the bms main control of second Encrypted-identification-code corresponding with the first Encrypted-identification-code
Module 202, bms main control module 202 receives the first Encrypted-identification-code of encryption hardware circuit module 201, and encrypts with second
Identification code is verified, if verifying successfully, sending and enabling control instruction to bms enable power supply circuits module 203；Bms enables
Power supply circuits module 203, the enable control instruction according to bms main control module 202 enables battery management system and works on power.
Bms hardware encryption system 20 also includes the low-tension supply 205 powered for battery management system.
When low-tension supply 205 provides power supply for battery management system, the encryption hardware circuit in battery management system
Module 201 will send the first Encrypted-identification-code to bms main control module 202, and bms main control module 202 adds receive first
Close identification code is verified with the second Encrypted-identification-code being stored in bms main control module 202, if information checking success, bms
Main control module 202 sends instructions to whole battery management system and carries out normal power on operation；If information checking failure,
Bms main control module 202 sends verification failure command to encryption hardware circuit module 201, and forbids that circuit board works on power.
Meanwhile, bms main control module 202 no longer receives the first Encrypted-identification-code of encryption hardware circuit module 201 transmission, encryption hardware
201 times electricity of circuit module, 202 times electricity of bms main control module.Wherein, the first Encrypted-identification-code and the second Encrypted-identification-code are spy
Different waveform or random number.
The enable that bms hardware encryption system 20 also includes receiving the control instruction that bms main control module 202 sends is powered electricity
Road module 203 and the battery bag 204 that power supply is provided for whole circuit, the outfan of battery bag 204 and bms main control module 202
Connect.
When the information of bms main control module 202 verification is correct, bms main control module 202 sends enable module control and refers to
Make to enabling power supply circuits module 203 and connecting enable power supply circuits, according to the enable control instruction of bms main control module 202
Enable battery management system to work on power.Specifically, sending control instruction to battery bag 204, battery bag 204 is made to be bms master control
Molding block 202 provides the power supply normally going up electricity.
When the information errors of bms main control module 202 verification, then bms main control module 202 sends and disconnects power supply circuits
Instruction give and enable power supply circuits module 203 disconnect enable power supply circuits, send verification failure information to encryption hardware simultaneously
Circuit module 201, Circuit management system does not work.
Further, after battery management system works on power, the spy of bms main control module 202 real-time detection battery bag 204
Reference breath and/or fault message, if battery bag 204 breaks down, control battery bag 204 to stop power supply output, characteristic information
For the combination in any between any one in information of voltage, current information, temperature information or three.
The present invention provides a kind of bms hardware encryption system, is provided with hardware encryption circuit module in circuit, can be to circuit
Be encrypted, when system carries out power on operation it is necessary to advanced row information verification judge, verification success after, just can normally on
Electricity, on the contrary then can not normally work on power, realize the cryptographic operation of bms hardware circuit, decrease that emergency circuit plagiarized is general
Rate, the adverse effect that minimizing technology leaks, a kind of safer, more reliable bms hardware system is provided.
Embodiment two
The embodiment of the present invention two provides a kind of bms circuit board encryption method, and Fig. 2 is the bms hardware of one embodiment of the invention
The flow chart of encryption method.Refer to Fig. 2, a kind of bms circuit board encryption method, it concretely comprises the following steps:
S101 encryption hardware circuit module sends the first Encrypted-identification-code to bms main control module；
S102bms main control module by the first Encrypted-identification-code and be stored in bms main control module second encryption identification
Code is verified, if verifying successfully, execution step s103；If verifying unsuccessfully, execution step s104；
S103bms main control module sends and enables control instruction to bms enable power supply circuits module, and bms enables power supply electricity
Road module enables battery management system and works on power；
S104 battery management system does not work.
In step s101: encryption hardware circuit module 201 sends once the first above Encrypted-identification-code to bms master control
Molding block 202；Further, encryption hardware circuit module 201 sends three the first Encrypted-identification-codes to bms main control module
202.
In step s102: bms main control module 202 by the receive each time first Encrypted-identification-code be stored in
Second Encrypted-identification-code of bms main control module 202 is verified, if all verifying successfully, execution step s103, and otherwise execute
Step s104.
In step s104 particularly as follows: bms main control module 202 no longer receive encryption hardware circuit module 201 first plus
Close identification code.Bms main control module 202 feeds back to encryption hardware circuit module 201, encryption hardware circuit by verifying failure command
Module 201 does not retransmit the first Encrypted-identification-code to bms main control module 202.Bms main control module 202 unsuccessfully refers to verifying
Order feeds back to encryption hardware circuit module 201,201 times electricity of encryption hardware circuit module.Meanwhile, under bms main control module 202
Electricity.
After battery management system works on power, the characteristic information of bms main control module 202 real-time detection battery bag 204 and/
Or fault message, if battery bag 204 breaks down, control battery bag 204 to stop power supply output, characteristic information is voltage letter
The combination in any between any one or three in breath, current information, temperature information.
The present invention provides a kind of bms hardware encryption method, only when the first encryption that encryption hardware circuit module sends is known
When second Encrypted-identification-code of other code and bms main control module verifies successfully, battery management system just can carry out normally going up electricity
Work, realizes the cryptographic operation of bms hardware circuit, reduces the probability that hardware circuit is plagiarized, the technology of reducing leaks not
Profit impact, protects the core technology of company, thus protecting the interests of company.
The bms circuit board encryption method of the present invention also includes repeat step s101 and step s102 more than tri- times.Repeat to walk
Rapid s101 and step s102 are for many times to mate encryption hardware circuit module 201 and bms main control module more like clockwork
202.
Embodiment of above only have expressed the several embodiments of the present invention, and its description is more concrete and detailed, but not
Therefore the restriction to the scope of the claims of the present invention can be interpreted as.It should be pointed out that coming for those of ordinary skill in the art
Say, without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of bms hardware encryption system is it is characterised in that include:
For sending the encryption hardware circuit module of the first Encrypted-identification-code；
For storing the bms main control module of second Encrypted-identification-code corresponding with described first Encrypted-identification-code, described bms master
Control module receives the first Encrypted-identification-code of described encryption hardware circuit module, and carries out school with described second Encrypted-identification-code
Test, if verifying successfully, sending and enabling control instruction to bms enable power supply circuits module；
Described bms enables power supply circuits module, and the enable control instruction according to described bms main control module enables battery management system
System works on power.
2. bms hardware encryption system according to claim 1 is it is characterised in that also include for described battery management system
The low-tension supply of power supply.
3. a kind of bms hardware encryption method is it is characterised in that include:
S101 encryption hardware circuit module sends the first Encrypted-identification-code to bms main control module；
Bms main control module described in s102 by the first Encrypted-identification-code and be stored in described bms main control module second encryption
Identification code is verified, if verifying successfully, execution step s103；If verifying unsuccessfully, execution step s104；
Bms main control module described in s103 sends and enables control instruction to bms enable power supply circuits module, and described bms enables and supplies
Electric circuit module enables battery management system and works on power；
S104 battery management system does not work.
4. bms hardware encryption method according to claim 3 it is characterised in that
Described step s101 is: described encryption hardware circuit module sends the first once above Encrypted-identification-code to bms master control
Molding block；
Described step s102 is: described bms main control module by the receive each time first Encrypted-identification-code be stored in institute
The second Encrypted-identification-code stating bms main control module is verified, if all verifying successfully, execution step s103, and otherwise execute
Step s104.
5. bms hardware encryption method according to claim 4 is it is characterised in that described step s101 is: described encryption is hard
Part circuit module sends three the first Encrypted-identification-codes to described bms main control module.
6. bms hardware encryption method according to claim 3 is it is characterised in that described step s104 is particularly as follows: described
Bms main control module no longer receives the first Encrypted-identification-code of described encryption hardware circuit module.
7. bms hardware encryption method according to claim 3 is it is characterised in that described step s104 is particularly as follows: described
Bms main control module feeds back to described encryption hardware circuit module by verifying failure command, and described encryption hardware circuit module is not
Retransmit the first Encrypted-identification-code to described bms main control module.
8. bms hardware encryption method according to claim 3 is it is characterised in that described step s104 is particularly as follows: described
Bms main control module feeds back to described encryption hardware circuit module by verifying failure command, under described encryption hardware circuit module
Electricity.
9. bms hardware encryption method according to claim 3 is it is characterised in that described step s104 is particularly as follows: described
Electricity under bms main control module.
10. bms hardware encryption method according to claim 3 is it is characterised in that after battery management system works on power,
The characteristic information of battery bag and/or fault message described in described bms main control module real-time detection, if battery bag breaks down,
Described battery bag is then controlled to stop power supply output, described characteristic information is information of voltage, any in current information, temperature information
A kind of combination in any between or three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610748327.6A CN106355110A (en) | 2016-08-29 | 2016-08-29 | BMS hardware encryption system and encryption method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610748327.6A CN106355110A (en) | 2016-08-29 | 2016-08-29 | BMS hardware encryption system and encryption method thereof |
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| Publication Number | Publication Date |
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| CN106355110A true CN106355110A (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610748327.6A Pending CN106355110A (en) | 2016-08-29 | 2016-08-29 | BMS hardware encryption system and encryption method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595355A (en) * | 2003-11-05 | 2005-03-16 | 深圳市研祥智能科技股份有限公司 | Encryption system for computer mainboard and encryption method thereof |
| CN102991612A (en) * | 2012-12-05 | 2013-03-27 | 中路股份有限公司 | Intelligent anti-theft system of electric bicycle and implementation method |
| CN103049683A (en) * | 2012-12-18 | 2013-04-17 | 惠州市亿能电子有限公司 | Authorization encryption method of upper computer program of BMS (Battery Management System) |
| US20140227571A1 (en) * | 2011-06-15 | 2014-08-14 | Michelin Recherche Et Technique S.A. | Device for monitoring an electrical accumulation battery and associated method |
| CN105789714A (en) * | 2014-12-26 | 2016-07-20 | 上海鼎研智能科技有限公司 | Battery pack for electric automobile |
-
2016
- 2016-08-29 CN CN201610748327.6A patent/CN106355110A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595355A (en) * | 2003-11-05 | 2005-03-16 | 深圳市研祥智能科技股份有限公司 | Encryption system for computer mainboard and encryption method thereof |
| US20140227571A1 (en) * | 2011-06-15 | 2014-08-14 | Michelin Recherche Et Technique S.A. | Device for monitoring an electrical accumulation battery and associated method |
| CN102991612A (en) * | 2012-12-05 | 2013-03-27 | 中路股份有限公司 | Intelligent anti-theft system of electric bicycle and implementation method |
| CN103049683A (en) * | 2012-12-18 | 2013-04-17 | 惠州市亿能电子有限公司 | Authorization encryption method of upper computer program of BMS (Battery Management System) |
| CN105789714A (en) * | 2014-12-26 | 2016-07-20 | 上海鼎研智能科技有限公司 | Battery pack for electric automobile |
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Application publication date: 20170125 |
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