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Power accumulator. RU patent 2520309. |
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IPC classes for russian patent Power accumulator. RU patent 2520309. (RU 2520309):
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FIELD: transport. SUBSTANCE: invention relates to automotive industry, particularly, to automotive storage batteries. Storage battery comprises application unit (AU) to define and/or process the storage unit operating parameters. Besides, storage battery incorporates cryptography unit (CU) for cryptographic processing of defined and/or processed operating parameters. Besides, it comprises communication interface (IF1, IF2) to output cryptographically processed working parameters. EFFECT: possibility of accumulator authentication. 17 cl, 2 dwg
The invention relates to the battery energy, in particular, for the car. In modern cars requirements to reliability and performance vehicle power is particularly high. In particular, the hybrid vehicle or electric car with a predominantly all-electric accumulators of energy play an important role. Besides, in modern cars is increasing the number of systems operating with electric power. This increases the need for power such vehicles. The energy management system in modern cars are trying to manage properly the energy needs around the car, to avoid any failures of the corresponding battery energy because of the very high current consumption. Article “Friend or Foe - Battery-Authentication ICs separate the good guys from the bad”, Margery Conner, published on 2 February 2006 in EDN, discloses the use of authentication chips in the batteries, and the batteries for mobile phones or portable computers. Through these authentication chips batteries or accumulators with respect to the appropriate device are identified unambiguously, so can only apply appropriate batteries. The objective underlying the invention consists in creating an energy storage, which should be exploited to the maximum extent reliably and efficiently. This problem can be solved signs independent claim of the invention. The preferred embodiments of the invention presented in dependent clauses. The invention is an energy storage with application block, which is made with the possibility to define and/or process the specified operating energy storage, and protection unit, which is made with the possibility of cryptographically to handle specific and/or processed working parameters, and the communication interface to provide cryptographically processed operating parameters. Through certain operating parameters can be especially good to determine the mode of charging and discharging the battery of energy which can be provided especially efficient operation of energy storage. Due to cryptographic processing of certain operational parameters before passing them can very safely to recognize manipulation. Under the preferred option of the implementation, protection block is executed with the ability to encrypt certain and/or processed operating parameters. Thus the operating parameters are transmitted in a secure manner, so that the manipulation over them can be prevented. In another preferred option implementation, protection block is executed with the option to generate a checksum based on specific and/or processed operating parameters. To do this, depending on the specific operational parameters before passing them is determined by the checksum. It can be transmitted in addition to the working parameters, to reliably recognize the change during a transfer. Thus it is possible to reliably guarantee the integrity parameters. In another preferred option implementation, protection block is executed with the ability to authenticate the battery power by using cryptographic processing operating parameters. At the relevant encryption and generate a checksum battery power can be authenticated against the receiver operating parameters. Mismatched energy accumulators can thus recognize simple and reliable way, so that, for example, warranty claims in cases of damage can be unambiguously determined. Accordingly identified a battery power can be operated particularly effective way. In another preferred option exercise, the protection unit is designed as a controller smart card is protected with non-volatile memory to store data to be protected. Controllers smart card is especially preferred way designed to encrypt and generate checksums. Cryptographic keys used to encrypt and generation of checksums are used only inside the controller smart card, so that manipulation can be reliably prevented. In a protected, nonvolatile memory, in addition to encryption keys stored parameters. In addition, controllers, smart cards are proven components that are particularly favorable cost. In another preferred option exercise, the application block includes the application controller peripheral interfaces to define and/or processing of working parameters of the battery energy. The application controller preferred way is made especially productive, to be able to identify and especially to quickly process operating parameters. Especially suitable way the application controller can be used as setting the controller to, along with the definition and/or treatment of operating parameters control the protection unit. In another preferred option implementation, protection block and the block applications integrated on a single chip. Due to this, the determination and processing of working parameters of energy storage may be provided particularly quickly and reliably. In another preferred option exercise, the application block contains the communication interface. The application block contains the preferred way peripheral interfaces and can, therefore, is especially easy to use for the transfer of operating parameters. In another preferred option implementation, communication interface is made with the possibility of wireless transmission of operating parameters. Wireless transmission is particularly suitable for the provision of working parameters of the external receiver. The battery power can be checked, for example by device diagnostics. In another preferred option exercise, the application block contains the block of measurement made with the possibility of determination of working parameters of the battery's energy is particularly simple way. Thus the operating parameters of battery power, you can define a particularly simple way. Examples of the implementation of the invention in more detail below with the help of drawings showing the following: Figure 1 - schematic representation of battery power, Figure 2 - another schematic representation of the battery energy. Elements of similar structure and/or function indicated on the drawings same reference positions. In the first example run (figure 1) is a schematic representation of the car VEH. Car VEH contains as an energy accumulator battery BAT for power supply of on-Board network. Typically, the battery power can be executed as a condenser with double layer, in particular, the so-called UltraCap or SuperCap in hybrid cars. However, for the specialist will be apparent and other well-known implementation of energy accumulators. Battery energy Wat contains the block of measurement and authentication MAU, who from the entrance mapped line supply SL, which is the typical way connected with the connection terminals of the battery energy Wat. Typical unit of measurement and authentication MAU also receives power through the line of supply SL. Through the lines of supply SL battery energy Wat is connected with the energy distributor DIST and thus with an onboard network of the car VEH. The unit of measurement and authentication MAU can be integrated, for example, in some part of the body of the battery energy Wat, so that the measurement unit and authentication MAU nerushenko associated with battery energy Wat and mechanically protected. It is also possible separate accommodation in the body of the unit of measurement and authentication MAU and his mount out of battery power, and it is necessary to pay attention to the fact that the attachment is a mechanical one-piece. In addition, the unit of measurement and authentication MAU contains a protection unit CU and the application block AU. The protection unit CU and the application block AU connected to each other, so between the two units can be controlled two-way communication, for example, using SPI. In addition, there may be other signal lines for transmission of control signals between the blocks. The protection unit CU designed as a controller smart card and a typical way, along with communication capabilities with the application block, does not contain any other peripherals. Controllers smart cards typically made with the possibility of cryptographic processing, for example, encryption and/or decryption of data streams, as well as the generation and/or checksumming. The application block AU contains unit of measurement MU required to determine the operating parameters. Along with the unit MU, the application block AU also contains the first and second communication interface IF1 and IF2. Through the first communication interface (IF1 the application block AU correlated with the control device CTRL that is accomplished, for example, as a system of power distribution. The first communication interface IF1 typically performed as CAN-interface, so that the operating parameters of the battery energy Wat available to not only the system CTRL energy distribution, and other control devices. The first communication interface IF1 can also be made wireless. However, specialist in the art will be apparent and other well-known communication interfaces, for example, LIN. A second communication unit IF2 typically performed as a wireless interface, for example, Bluetooth or WLAN. Through him the operating parameters can be made available to other devices outside the car. For example, through this working parameters can be passed to the device diagnostics in the workshop. Operating parameters that are passed through a second serial interface (IF2, can for example also be used for calculations in the gas station for charging of battery energy. In principle, it is also possible wired second serial interface (IF2, for example, CAN, USB or RS232. Through measurement unit MU in the application block AU operating parameters of the battery energy Wat on the line supply SL identified and processed in the application block AU. Processed operating parameters then served on the protection unit CU and handled it by using cryptographic means. At the same time working to parameters can be added checksum, and/or operating parameters encrypted. Encrypted and/or provided with a checksum operating parameters intermediate image is saved in the protection unit CU and/or re-transmitted in the application block AU and through him are transferred into the CTRL energy distribution or device diagnostics. Working parameters of energy storage are, for example, voltage, current, capacitance, temperature, or the type of battery energy. Depending on these parameters can be defined mode voltage and current energy storage Wat and, thus, can tune the process of charging and discharging, so the battery energy Wat is effectively used. Figure 2 shows the block of measurement and authentication MAU containing the application block AU and the protection unit CU. The application block AU contains, along with the first and second communication interface IF1 and IF2 and unit of measurement MU, the controller s application. It contains a typical image field module to bind to communication interfaces IF1 and IF2 and unit of measurement MU. The controller s applications can also be done in such a way that it contains unit of measurement MU and/or communication interfaces IF1 and IF2. The protection unit CU designed as a controller smart card with nonvolatile memory MEME. Through a shunt resistance R_S current, as an example of a working option of battery energy Wat, is determined by a measurement unit MU, which in this case can be performed as analog-to-digital Converter. Through the controller s application, depending on certain analog-to-digital value, determined current through a shunt resistance R_S and served on the controller smart card. The controller s applications typically performed as setting the controller and the controller manages the smart card, designed as a slave controller, so that you pass the current value is encrypted and/or depending on it generates a checksum. This cryptographic keys needed to encrypt and/or generate the checksum stored in non-volatile memory MEM controller smart card. The controller smart card is designed so that access to non-volatile memory MEM can be carried out only by himself. External access to non-volatile memory is not possible. Encrypted and/or provided with a checksum, the value of current can, depending on the controller management s applications, stored intermediate way in nonvolatile memory MEME. Moreover, in non-volatile memory MEME can also save the settings charge and discharge, as well as the identification settings for the battery energy. But also there may be other units non-volatile memory, for example, the application block AU, which can be saved settings, preferably encrypted or provided with a checksum. If the current value is requested, e.g. by CTRL energy distribution, encrypted and/or provided with a checksum, the value of current is passed back to the controller s applications and through the first or second serial interface (IF1 or IF2 is transmitted to the system CTRL energy distribution in or into the external device of diagnostics. Along with the transfer of identification of parameters of energy storage Wat, the latter may, in relation to the system CTRL energy distribution or other control devices to authenticate so that apply appropriate methods of encryption and/or checksum, for example, the way "message authentication code" or a way to "request-response". Battery energy Wat can thus be identified as appropriate or not appropriate. If the battery energy Wat is identified as not appropriate, or between the unit and authentication MAU manipulate so that, for example, the message is changed, this can clearly identify, for example, electronically recorded in nonvolatile memory. If due to the use of unsuitable energy accumulators will be damaged by logging can unambiguously determine any warranty claims. If, on the contrary, the battery energy Wat is identified as the appropriate storage of energy and settings, and parameters of the charge and discharge it to the appropriate control device, the battery energy through the appropriate coordination and accumulation of energy output can be operated effectively. In addition, through the use of non-volatile memory, you can more effectively to operate the entire system architecture of the car. Along with separately used by the application block AU and protection unit CU, it is also possible integration units on a single chip. Along with the application the application block AU and protection unit CU in battery energy vehicles, the battery power can and out of cars to be supplied similar blocks and operated accordingly. 1. Battery energy, especially for the car, with the application block (AU), which is made with the possibility to define and/or process the specified operating energy storage, and protection unit (CU), which is made with the possibility of cryptographically to handle specific and/or processed working parameters, and communication interface (IF1, IF2)to provide cryptographically processed working parameters, the protection unit (CU)performed as the controller smart card with a non-volatile memory to store data to be protected. 2. Battery energy of claim 1, wherein the protection unit (CU) is made with the ability to encrypt certain and/or processed operating parameters. 3. Battery energy of claim 1, wherein the protection unit (CU) is made with the option to generate a checksum based on specific and/or processed operating parameters. 4. Battery energy of claim 1, wherein the protection unit (CU) is made with the ability to authenticate the battery power by using cryptographic processing operating parameters. 5. Battery energy according to claim 1 in which the application block (AU) includes the application controller peripheral interfaces to define and/or processing of working parameters of the battery energy. 6. Battery energy of claim 1, wherein the protection unit (CU) and the application block (AU) integrated on a single chip. 7. Battery energy according to claim 1 in which the application block (AU) provides a data communication interface (IF1, IF2). 8. Battery energy according to paragraph 7, in which communication interface (IF1, IF2) made with the possibility of wireless transmission of operating parameters. 9. Battery energy according to claim 1 in which the application block (AU) provides a measurement unit (MU), which is made with the ability to determine operating parameters of the battery energy. 10. Battery energy according to claim 2, in which the protection unit (CU) is made with the ability to authenticate the battery power by using cryptographic processing operating parameters. 11. Battery energy according to claim 2, in which the application block (AU) includes the application controller peripheral interfaces to define and/or processing of working parameters of the battery energy. 12. Battery energy according to claim 2, in which the application block (AU) provides a data communication interface (IF1, IF2). 13. Battery energy indicated in paragraph 12, in which the protection unit (CU) is made with the ability to authenticate the battery power by using cryptographic processing operating parameters. 14. Battery energy on item 3, in which the protection unit (CU) is made with the ability to authenticate the battery power by using cryptographic processing operating parameters. 15. Battery energy on item 3, in which the application block (AU) includes the application controller peripheral interfaces to define and/or processing of working parameters of the battery energy. 16. Battery energy on item 3, in which the application block (AU) provides a data communication interface (IF1, IF2). 17. Battery energy according to article 16, in which communication interface (IF1, IF2) made with the possibility of wireless transmission of operating parameters.
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