CN110430058A - The vehicle-mounted fragrant atmosphere information recognition device of one kind and method - Google Patents
The vehicle-mounted fragrant atmosphere information recognition device of one kind and method Download PDFInfo
- Publication number
- CN110430058A CN110430058A CN201910502965.3A CN201910502965A CN110430058A CN 110430058 A CN110430058 A CN 110430058A CN 201910502965 A CN201910502965 A CN 201910502965A CN 110430058 A CN110430058 A CN 110430058A
- Authority
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- China
- Prior art keywords
- fragrant atmosphere
- atmosphere
- fragrant
- controller
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000002304 perfume Substances 0.000 claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 8
- 239000000796 flavoring agent Substances 0.000 claims description 5
- 235000019634 flavors Nutrition 0.000 claims description 5
- 235000013599 spices Nutrition 0.000 claims 1
- 239000003205 fragrance Substances 0.000 description 5
- 101100244969 Arabidopsis thaliana PRL1 gene Proteins 0.000 description 3
- 102100039558 Galectin-3 Human genes 0.000 description 3
- 101100454448 Homo sapiens LGALS3 gene Proteins 0.000 description 3
- 101150051246 MAC2 gene Proteins 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 235000019640 taste Nutrition 0.000 description 3
- 101100059544 Arabidopsis thaliana CDC5 gene Proteins 0.000 description 2
- 101150115300 MAC1 gene Proteins 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3226—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using a predetermined code, e.g. password, passphrase or PIN
Abstract
The present invention proposes a kind of vehicle-mounted fragrant atmosphere information recognition device and method, which comprises legitimacy certification is carried out to each fragrant atmosphere box by fragrant atmosphere controller, if it is illegal, then stopping alarm；If the perfume atmosphere box is legal, the perfume atmosphere controller reads the fragrant atmosphere information inside each fragrant atmosphere box and the fragrant atmosphere information is uploaded to automobile central control module.The present invention can verify that fragrant atmosphere box legitimacy, discern the false from the genuine, while the data inside fragrant atmosphere box being read, to meet user demand and fragrant atmosphere system control.
Description
Technical field
The invention belongs to automobile technical fields, and in particular to the vehicle-mounted fragrant atmosphere information recognition device of one kind and method.
Background technique
Vehicle-mounted perfume atmosphere system improves environment inside car by distributing different types of fragrance, is the one of automotive system at this stage
A effective supplement.However existing vehicle-mounted fragrant atmosphere system can not effectively identify the various odor types of loading, and it is more to be unable to satisfy user
The odor type of sample selects demand, and fake and forged fragrant atmosphere box is more on the market, user can not discern the false from the genuine and fragrance whether mistake
Phase, fragrance inferior, expired fragrance may also influence user's physical and mental health.
Summary of the invention
In consideration of it, the present invention proposes a kind of vehicle-mounted fragrant atmosphere information recognition device and method, the information of fragrant atmosphere box for identification,
It discerns the false from the genuine, while the data inside fragrant atmosphere box being read, to meet fragrant atmosphere system control.
First aspect present invention provides a kind of vehicle-mounted fragrant atmosphere information recognition device,
Described device includes fragrant atmosphere generator and fragrant atmosphere box, and the perfume atmosphere generator is equipped with fragrant atmosphere controller；
The perfume atmosphere generator is equipped with multiple fragrant atmosphere boxes, and each fragrant atmosphere box is same as the odor type of filling different tastes, often
A fragrant atmosphere box is internally integrated an encryption identification chip, and the corresponding fragrant atmosphere information of each fragrant atmosphere box is stored on the chip；
Each fragrant atmosphere box is connect by I2C bus communication mode with the fragrant atmosphere controller respectively；
The perfume atmosphere controller is used to periodically carry out legitimacy certification to each fragrant atmosphere box, authenticates the legal fragrant atmosphere box of rear reading
Internal fragrant atmosphere information, and the fragrant atmosphere information is uploaded into automobile central control module.
Optionally, the fragrant atmosphere information includes odor type code, unique series number and other production informations.
Optionally, the legitimacy certification includes version authentication unit and encryption authentication unit, the version authentication unit
Whether software version is consistent with the version of the encryption identification chip on the fragrant atmosphere controller；The encryption certification
Unit is used to generate one 64 random numbers by fragrant atmosphere controller, and the perfume atmosphere controller is according to 64 nonce counts
Calculate one 256 keys；64 random numbers are transmitted to fragrant atmosphere box to be certified by I2C communication by fragrant atmosphere controller
Identification chip is encrypted, the encryption identification chip generates one 256 keys by calculating, and described in being back to by I2C
Fragrant atmosphere controller；The key that the key that the encryption identification chip calculates is calculated with the fragrant atmosphere controller is compared, if one
It causes, then authenticates success, the fragrant atmosphere information of the encryption identification chip storage inside can be read；If key is inconsistent, certification
Failure, fragrant atmosphere box are illegal.
Second aspect of the present invention proposes vehicle-mounted fragrant atmosphere information identifying method, which comprises
S1, legitimacy certification is carried out to each fragrant atmosphere box by fragrant atmosphere controller, if it is illegal, then stopping alarm；
If S2, the fragrant atmosphere box are legal, read the fragrant atmosphere information inside each fragrant atmosphere box and upload the fragrant atmosphere information
To automobile central control module；
Optionally, in the step S1, the legitimacy certification includes version authentication and encryption certification: the version authentication
It is that whether software version is consistent with the version of the encryption identification chip on perfume atmosphere controller described in comparison；If version unanimously if version
This certification success, carries out encryption certification；The encryption certification is the random number that one 64 are generated by fragrant atmosphere controller, described
Fragrant atmosphere controller calculates one 256 keys according to 64 nonce counts；Fragrant atmosphere controller is random by described 64
Number is transmitted to the encryption identification chip of fragrant atmosphere box to be certified by I2C communication, and the encryption identification chip generates one by calculating
256 keys, and the fragrant atmosphere controller is back to by I2C；By it is described encryption identification chip calculate key with it is described
The key that fragrant atmosphere controller calculates compares, if unanimously, authenticating success, can read the encryption identification chip storage inside
Fragrant atmosphere information；If key is inconsistent, authentification failure, fragrant atmosphere box is illegal.
Optionally, the fragrant atmosphere information includes odor type code, unique series number and other production informations.
Optionally, the fragrant atmosphere box has uniqueness, and the fragrant atmosphere information on chip inside each perfume atmosphere box is disposable
Write-in.
Optionally, the fragrant atmosphere controller reads the fragrant atmosphere information in fragrant atmosphere box using poll scanning mode；The perfume atmosphere
Controller judges whether fragrant atmosphere is expired according to the date of manufacture, if expired, alarms to central control module.
Optionally, the central control module identifies the fragrant atmosphere information and is converted into the readable various flavor types of user
It is selected for user, while reminding the expired fragrant atmosphere of user's replacement.
The beneficial effects of the present invention are:
Present invention setting encryption identification chip on each fragrant atmosphere box, identifies fragrant atmosphere box by reading the information on chip
The true and false, while the data inside fragrant atmosphere box being read, to meet user demand and the control of fragrant atmosphere system.It can also be according to fragrant atmosphere box
Internal data judges whether fragrant atmosphere is expired, and user is reminded to replace fragrant atmosphere in time.
Detailed description of the invention
It, below will be to needed in the technology of the present invention description in order to illustrate more clearly of technical solution of the present invention
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without any creative labor, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is fragrant atmosphere identification device structural schematic diagram provided by the invention；
Fig. 2 is fragrant atmosphere recognition methods flow diagram proposed by the present invention；
Fig. 3 is encryption certification schematic diagram in legitimacy proposed by the present invention certification.
Specific embodiment
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Referring to Fig. 1, the present invention provides a kind of vehicle-mounted fragrant atmosphere information recognition device, described device includes fragrant atmosphere generator
100 are equipped with fragrant atmosphere controller 110 with fragrant atmosphere box 200, the perfume atmosphere generator；
Be equipped with multiple fragrant atmosphere boxes 200 on each fragrant atmosphere generator 100, each fragrant atmosphere box 200 be same as it is filling not
With the odor type of taste, each fragrant atmosphere box 200 is internally integrated an encryption identification chip, stores on the encryption identification chip
The corresponding fragrant atmosphere information of each perfume atmosphere box；Each fragrant atmosphere box 200 passes through the fragrant atmosphere control of I2C bus communication mode and difference
Device 110 processed connects；Specifically, the perfume atmosphere controller reads fragrant atmosphere box information using poll scanning mode；
The perfume atmosphere information includes odor type code, unique series number and other production informations.Specifically, each fragrant atmosphere
Box is same as the odor type of filling different tastes, and each odor type code corresponds to different classes of fragrance.Every kind of flavor type is one corresponding
Digital code, fragrant atmosphere controller at most can recognize 255 kinds of flavor types；Each perfume atmosphere box corresponds to a unique encodings, of the same race
Unique series number of odor type encodes different；Other production informations mainly include date of manufacture and batch number.
The perfume atmosphere box has uniqueness, and the fragrant atmosphere information on chip inside each perfume atmosphere box is write-once, permanently
It cannot change, only there is read only attribute after write-in.Specifically, each powder case is internally integrated a read-write chip, fragrant atmosphere box
Before factory, by the odor type information of powder case, the unique series number coding of production and other production information one-time writes to fragrant atmosphere
It cannot permanently be changed with internal chip and information.
The perfume atmosphere controller 110 does legitimacy certification to fragrant atmosphere box for timing, and each fragrant atmosphere is read after authenticating successfully
Fragrant atmosphere information inside box, and the fragrant atmosphere information is uploaded into automobile central control module.
Specifically, the multiple fragrant atmosphere boxes 200 of the configurable connection of fragrant atmosphere controller 110, each perfume atmosphere box need four harness: electricity
Source, data-signal, clock signal and ground connection；Power supply that wherein fragrant atmosphere controller 110 is connect with perfume atmosphere box 200, clock signal and
Ground line be it is shared, the data line of each perfume atmosphere box 200 is individually connect with perfume atmosphere controller 110；Fragrant atmosphere controller is using wheel
It askes scanning mode and accesses fragrant atmosphere box, carry out legitimacy certification, read fragrant atmosphere box information.
The legitimacy certification includes version authentication unit and encryption authentication unit, and the version authentication unit is for comparing
Whether software version is consistent with the version of the encryption identification chip on the perfume atmosphere controller；The encryption authentication unit is used for
One 64 random numbers are generated by fragrant atmosphere controller, the perfume atmosphere controller calculates one according to 64 nonce counts
256 keys；Fragrant atmosphere controller identifies 64 random numbers by the encryption that I2C communication is transmitted to fragrant atmosphere box to be certified
Chip, the encryption identification chip generates one 256 keys by calculating, and is back to the fragrant atmosphere control by I2C
Device；The key that the key that the encryption identification chip calculates is calculated with the fragrant atmosphere controller is compared, if unanimously, authenticated
Success can read the fragrant atmosphere information of the encryption identification chip storage inside；If key is inconsistent, authentification failure, fragrant atmosphere
Box is illegal.
Referring to Fig. 2, the present invention mentions a kind of fragrant atmosphere information identifying method vehicle-mounted out, which comprises
S1, legitimacy certification is carried out to each fragrant atmosphere box by fragrant atmosphere controller, if it is illegal, then stopping alarm；
If S2, the fragrant atmosphere box are legal, read the fragrant atmosphere information inside each fragrant atmosphere box and upload the fragrant atmosphere information
To automobile central control module；
S3, the central control module identify the fragrant atmosphere information and be converted into the readable various flavor types of user for
Family selection.
In the step S1, the legitimacy certification includes version authentication and encryption certification: the version authentication is to compare
Whether software version is consistent with the version of the encryption identification chip on the perfume atmosphere controller；If version unanimously if version authentication
Success, carries out encryption certification；
Referring to Fig. 3, the process of the encryption certification is: fragrant atmosphere controller generates one 64 by randomizer
Random number, the perfume atmosphere controller calculates one 256 key MAC1 according to 64 nonce counts, calculates code key
Algorithm HASH Encryption Algorithm, such as SHA-256 can be used；The random number is transmitted to fragrant atmosphere box to be certified by I2C communication
Encryption identification chip, the encryption identification chip, which equally calculates, generates one 256 key MAC2, and passes through I2C general
MAC2 is back to the fragrant atmosphere controller；The code key MAC2 that the encryption identification chip is calculated and the fragrant atmosphere controller calculating
Code key MAC1 compare, if unanimously, authenticating success, order write-in or information can be carried out and read, can also read it is described plus
The fragrant atmosphere information of close identification chip storage inside, if code key is inconsistent, authentification failure, fragrant atmosphere box is illegal, and alarm is stopped using.
The perfume atmosphere information includes odor type code, unique series number and other production informations.
The perfume atmosphere box has uniqueness, and the fragrant atmosphere information on the chip inside each perfume atmosphere box is write once
Enter, cannot permanently change, only there is read only attribute after the perfume atmosphere information write-in.
Present invention setting encryption identification chip on each fragrant atmosphere box, identifies fragrant atmosphere box by version authentication and encryption certification
The true and false, certification reads the data inside fragrant atmosphere box after passing through, to meet user's odor type demand and the control of fragrant atmosphere system.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations, although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of vehicle-mounted fragrant atmosphere information recognition device, which is characterized in that described device includes fragrant atmosphere generator and fragrant atmosphere box, described
Fragrant atmosphere generator is equipped with fragrant atmosphere controller；
The perfume atmosphere generator is equipped with multiple fragrant atmosphere boxes, and each fragrant atmosphere box is internally integrated an encryption identification chip, described
The corresponding fragrant atmosphere information of each fragrant atmosphere box is stored on encryption identification chip；Each fragrant atmosphere box passes through I2C bus communication mode
It is connect respectively with the fragrant atmosphere controller；
The perfume atmosphere controller is used to periodically carry out legitimacy certification to each fragrant atmosphere box, authenticates inside the legal fragrant atmosphere box of rear reading
Fragrant atmosphere information, and the fragrant atmosphere information is uploaded into automobile central control module.
2. vehicle-mounted fragrant atmosphere information recognition device according to claim 1, which is characterized in that the perfume atmosphere information includes odor type generation
Code, unique series number and other production informations.
3. vehicle-mounted fragrant atmosphere information recognition device according to claim 1, which is characterized in that the legitimacy certification includes version
Authentication unit and encryption authentication unit, the version authentication unit on the fragrant atmosphere controller software version with it is described
Whether the version for encrypting identification chip is consistent；
The encryption authentication unit is used to generate one 64 random numbers by fragrant atmosphere controller, the perfume atmosphere controller according to
64 nonce counts calculate one 256 keys；64 random numbers are communicated by I2C and are passed by fragrant atmosphere controller
To the encryption identification chip of fragrant atmosphere box to be certified, the encryption identification chip generates one 256 keys by calculating, and leads to
It crosses I2C and is back to the fragrant atmosphere controller；The key that the encryption identification chip calculates is calculated with the fragrant atmosphere controller
Key compares, if unanimously, authenticating success, can read the fragrant atmosphere information of the encryption identification chip storage inside；If
Key is inconsistent, authentification failure, stopping alarm.
4. a kind of vehicle-mounted fragrant atmosphere information identifying method using claim 1 described device, which is characterized in that the method packet
It includes:
S1, legitimacy certification is carried out to each fragrant atmosphere box by fragrant atmosphere controller, if it is illegal, then stopping alarm；
If S2, the fragrant atmosphere box are legal, the perfume atmosphere controller reads the fragrant atmosphere information inside each fragrant atmosphere box and by the perfume (or spice)
Atmosphere information is uploaded to automobile central control module.
5. vehicle-mounted fragrant atmosphere information identifying method according to claim 4, which is characterized in that described legal in the step S1
Property certification include version authentication and encryption certification:
The version authentication be on perfume atmosphere controller described in comparison software version and it is described encryption identification chip version whether one
It causes；If version unanimously if version authentication success, carry out encryption certification；The encryption certification is to generate one by fragrant atmosphere controller
64 random numbers, the perfume atmosphere controller calculate one 256 keys according to 64 nonce counts；Fragrant atmosphere controller
64 random numbers are transmitted to the encryption identification chip of fragrant atmosphere box to be certified, the encryption identification chip by I2C communication
One 256 keys are generated by calculating, and the fragrant atmosphere controller is back to by I2C；By the encryption identification chip
The key that the key of calculating is calculated with the fragrant atmosphere controller compares, if unanimously, authenticating success, can read the encryption
The fragrant atmosphere information of identification chip storage inside；If key is inconsistent, authentification failure, fragrant atmosphere box is illegal.
6. vehicle-mounted fragrant atmosphere information identifying method according to claim 4, which is characterized in that the perfume atmosphere information includes odor type generation
Code, unique series number and other production informations, other production informations include date of manufacture and batch number.
7. vehicle-mounted fragrant atmosphere information identifying method according to claim 4, which is characterized in that the perfume atmosphere box has uniqueness,
The fragrant atmosphere information on chip inside each perfume atmosphere box is one-time write.
8. vehicle-mounted fragrant atmosphere information identifying method according to claim 6, which is characterized in that the perfume atmosphere controller uses poll
Scanning mode reads the fragrant atmosphere information in fragrant atmosphere box；Whether the perfume atmosphere controller judges fragrant atmosphere according to the date of manufacture
It is expired, if expired, alarm to central control module.
9. vehicle-mounted fragrant atmosphere information identifying method according to claim 4, which is characterized in that after the step S2 further include:
S3, the central control module identify the fragrant atmosphere information and are converted into the readable various flavor types of user and select for user
It selects, while reminding the expired fragrant atmosphere of user's replacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502965.3A CN110430058A (en) | 2019-06-11 | 2019-06-11 | The vehicle-mounted fragrant atmosphere information recognition device of one kind and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502965.3A CN110430058A (en) | 2019-06-11 | 2019-06-11 | The vehicle-mounted fragrant atmosphere information recognition device of one kind and method |
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Family
ID=68408566
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Application publication date: 20191108 |