Fingerprint module, fingerprint lock and vehicle

Abstract

This application discloses a fingerprint module, a fingerprint lock, and a vehicle. The fingerprint module of this application includes a main control module and a processing module. The processing module includes a fingerprint sensor and a fingerprint processor. The main control module is connected to the fingerprint processor and is used to send prompt signals to the fingerprint processor. The fingerprint sensor is connected to the fingerprint processor and is used to acquire fingerprint images and send them to the fingerprint processor. The fingerprint processor is equipped with a voice unit, which is used to process the fingerprint images and, based on the processing results and / or prompt signals, to provide corresponding voice announcements. Thus, without the need for additional voice chips and peripheral circuit components, the overall circuitry of the fingerprint module can be simplified, reducing the overall power consumption and cost of the fingerprint module.

Description

Technical Field

[0001] This application relates to the field of fingerprint recognition technology, and in particular to a fingerprint module, a fingerprint lock, and a vehicle. Background Technology

[0002] Fingerprint recognition technology is widely used in various scenarios in the field of biometrics due to its uniqueness and non-replicability. In many fingerprint module applications, to enhance user convenience and accuracy, additional voice chips and voice circuit modules are added to provide audible prompts and guidance. However, the high power consumption of voice chips and voice circuit modules leads to a higher overall power consumption for the fingerprint module. Utility Model Content

[0003] This application provides a fingerprint module, a fingerprint lock, and a vehicle to solve at least one of the aforementioned technical problems.

[0004] The fingerprint module according to the embodiments of this application includes a main control module and a processing module, wherein the processing module includes a fingerprint sensor and a fingerprint processor;

[0005] The main control module is connected to the fingerprint processor, and the main control module is used to send a prompt signal to the fingerprint processor;

[0006] The fingerprint sensor is connected to the fingerprint processor, and the fingerprint sensor is used to acquire fingerprint images and send them to the fingerprint processor;

[0007] The fingerprint processor is equipped with a voice unit, which is used to process the fingerprint image and, based on the processing result and / or the prompt signal, perform corresponding voice broadcasts through the voice unit.

[0008] In some embodiments, the fingerprint module further includes a driver module, which is connected to the main control module;

[0009] The fingerprint processor is used to send the processing result to the main control module;

[0010] The main control module is used to send control signals to the drive module according to the processing result, so as to control the operation of the drive module.

[0011] In some implementations, the main control module is connected to the fingerprint processor via an interrupt request interface, a universal asynchronous transmitter, and a universal asynchronous receiver;

[0012] The interrupt request interface is used to transmit interrupt requests between the main control module and the fingerprint processor;

[0013] The universal asynchronous transmitter and the universal asynchronous receiver are used for data transmission between the fingerprint processor and the main control module.

[0014] In some embodiments, the universal asynchronous transmitter includes a first universal asynchronous transmitter and a second universal asynchronous transmitter, and the universal asynchronous receiver includes a first universal asynchronous receiver and a second universal asynchronous receiver;

[0015] The first universal asynchronous transmitter is located in the main control module, and the first universal asynchronous receiver is located in the fingerprint processor. The main control module sends the prompt signal to the fingerprint processor through the first universal asynchronous transmitter and the first universal asynchronous receiver; and / or

[0016] The second universal asynchronous transmitter is located in the fingerprint processor, and the second universal asynchronous receiver is located in the main control module. The fingerprint processor sends the processing result to the main control module through the second universal asynchronous transmitter and the second universal asynchronous receiver.

[0017] In some implementations, the fingerprint sensor is connected to a first input pin of the main control module, and the fingerprint sensor is connected to a second input pin of the fingerprint processor;

[0018] The fingerprint sensor is used to detect touch signals, and when the touch signal is detected, it sends a first interrupt signal to the main control module through the first input pin to wake up the main control module; and / or sends a second interrupt signal to the fingerprint processor through the second input pin to wake up the fingerprint processor.

[0019] In some embodiments, the fingerprint processor and the fingerprint sensor are connected via a serial peripheral interface, which includes a chip select sub-interface, a host output-slave input sub-interface, and a host input-slave output sub-interface.

[0020] The fingerprint processor selects the fingerprint sensor for communication via the chip select sub-interface;

[0021] The fingerprint processor controls the fingerprint sensor to acquire the fingerprint image through the host output-slave input sub-interface;

[0022] The fingerprint sensor sends the fingerprint image to the fingerprint processor through the host input-slave output sub-interface.

[0023] In some embodiments, the fingerprint module further includes a speaker connected to the fingerprint processor, the speaker being used to amplify the voice broadcast by the voice unit.

[0024] In some embodiments, the fingerprint module further includes a power module, which is connected to both the main control module and the processing module to supply power to them.

[0025] The fingerprint lock according to the embodiments of this application includes the fingerprint module of any of the above embodiments.

[0026] The vehicle described in this application includes the fingerprint lock of any of the above embodiments.

[0027] In the fingerprint module, fingerprint lock, and vehicle described in this application, the fingerprint processor is equipped with a voice unit. This eliminates the need for additional voice chips and peripheral circuit components, simplifying the overall circuitry of the fingerprint module and reducing its overall power consumption and cost.

[0028] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments or related technologies of this application, the drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort. Among them:

[0030] Figure 1 This is a schematic diagram of a fingerprint module according to certain embodiments of this application;

[0031] Figure 2 This is a schematic diagram of a fingerprint lock module according to certain embodiments of this application;

[0032] Figure 3 This is a schematic diagram of the fingerprint enrollment process in some embodiments of this application;

[0033] Figure 4 This is a schematic diagram of the fingerprint recognition process according to certain embodiments of this application;

[0034] Figure 5 This is a structural schematic diagram of a vehicle according to certain embodiments of this application.

[0035] Explanation of reference numerals in the attached figures:

[0036] Fingerprint module 100, main control module 10, processing module 20, fingerprint sensor 21, fingerprint processor 22, voice unit 23, driver module 30, speaker 40, power supply module 50, fingerprint lock 200, vehicle 1000. Detailed Implementation

[0037] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0038] Please see Figure 1 This application also provides a fingerprint module 100. The fingerprint module 100 includes a main control module 10 and a processing module 20. The processing module 20 includes a fingerprint sensor 21 and a fingerprint processor 22. The main control module 10 is connected to the fingerprint processor 22 and is used to send prompt signals to the fingerprint processor 22. The fingerprint sensor 21 is connected to the fingerprint processor 22 and is used to acquire fingerprint images and send them to the fingerprint processor 22. The fingerprint processor 22 is equipped with a voice unit 23, which is used to process the fingerprint images and, based on the processing results and / or prompt signals, to perform corresponding voice broadcasts through the voice unit 23.

[0039] In the fingerprint module 100 of this application embodiment, the fingerprint processor 22 is provided with a voice unit 23. In this way, there is no need to add an additional voice chip and peripheral circuit components, which simplifies the overall circuit of the fingerprint module 100 and reduces the overall power consumption and cost of the fingerprint module 100.

[0040] Specifically, such as Figure 2 As shown, the fingerprint module 100 can be applied to the fingerprint lock 200 to complete fingerprint acquisition and recognition, thereby controlling the locking mechanism of the fingerprint lock 200. The fingerprint module 100 includes a main control module 10 and a processing module 20, with the main control module 10 connected to the processing module 20. The processing module 20 includes a fingerprint sensor 21 and a fingerprint processor 22, both connected to the main control module 10. The fingerprint processor 22 can be a digital signal processor (DSP). The fingerprint processor 22 integrates a voice unit 23 for voice announcements. The specific content of the voice announcements can be set according to actual application requirements.

[0041] The fingerprint lock 200 may include interactive components such as a keypad and a display screen. When using the fingerprint lock 200, the user can perform corresponding operations on the interactive components according to their needs. The main control module 10 can send corresponding prompt signals to the fingerprint processor 22 based on the user's operations.

[0042] In one example, a user can select fingerprint enrollment on the display screen, and the main control module 10 can send a corresponding prompt signal to the fingerprint processor 22. The voice unit 23 integrated on the fingerprint processor 22 can provide corresponding voice prompts to the user based on the prompt signal, such as... Figure 3 As shown, the system announces "Please press your finger". Furthermore, the fingerprint processor 22 can also control the fingerprint sensor 21 to acquire fingerprint images based on the prompt signal.

[0043] After the fingerprint sensor 21 acquires a fingerprint image, it sends the image to the fingerprint processor 22 for processing to obtain the processing result. The voice unit 23 can provide corresponding voice prompts to the user based on the processing result. For example, during the fingerprint enrollment process, before the required number of enrollments is reached, the voice unit 23 can announce "Please press your finger again" after each processing result. After enrollment is complete, the fingerprint processor 22 can generate a fingerprint template based on the acquired fingerprint images and store it.

[0044] During fingerprint recognition, the fingerprint sensor 21 acquires a fingerprint image and sends it to the fingerprint processor 22 for processing. For example, the fingerprint image is compared with a stored fingerprint template to obtain a processing result. The voice unit 23 can provide corresponding voice prompts to the user based on the processing result. For example, if the processing result is a successful match, the voice unit 23 can announce "Match successful"; if the processing result is a failed match, the voice unit 23 can announce "Fingerprint mismatch".

[0045] In related technologies, additional voice chips and voice circuit modules are required to achieve voice guidance functions, which leads to increased power consumption and cost.

[0046] In this embodiment, the voice unit 23 is integrated into the fingerprint processor 22, eliminating the need for an additional voice chip and saving on voice chip and peripheral circuit components (such as voice circuit modules). Furthermore, the integrated voice unit 23 has lower power consumption and cost compared to a voice chip. This simplifies the overall circuitry of the fingerprint module 100 and reduces its overall power consumption and cost.

[0047] Please see Figure 1 In some embodiments, the fingerprint module 100 further includes a driver module 30, which is connected to the main control module 10. The fingerprint processor 22 is used to send the processing result to the main control module 10. The main control module 10 is used to send control signals to the driver module 30 according to the processing result to control the operation of the driver module 30.

[0048] Specifically, the drive module 30 may include a motor. The drive module 30 is connected to the locking element of the fingerprint lock 200 and is used to control the unlocking and locking of the locking element. The drive module 30 is connected to the main control module 10. After the fingerprint processor 22 processes the fingerprint and obtains the processing result, it can send the processing result to the main control module 10. The main control module 10 can send a control signal to the drive module 30 according to the processing result to control the operation of the drive module 30. For example, during fingerprint recognition, if the processing result is a successful match, the main control module 10 can send a control signal to the drive module 30 so that the drive module 30 can control the locking element to unlock.

[0049] It should be noted that during the fingerprint enrollment process, the fingerprint processor 22 can also send the processing result to the main control module 10. The main control module 10 can determine whether to continue acquiring fingerprint images based on the processing result and send a corresponding prompt signal to the fingerprint processor 22. The fingerprint processor 22 controls the fingerprint sensor 21 according to the prompt signal, and the voice unit 23 can also perform corresponding voice prompts to remind the user according to the prompt signal.

[0050] For example, the main control module 10 determines that it is necessary to continue acquiring fingerprint images based on the processing results, and sends a corresponding prompt signal to the fingerprint processor 22. The fingerprint processor 22 controls the fingerprint sensor 21 to continue acquiring fingerprint images based on the prompt signal, and the voice unit 23 announces "Please press your fingerprint again" based on the prompt signal.

[0051] Please see Figure 1 In some embodiments, the main control module 10 and the fingerprint processor 22 are connected via an interrupt request interface, a universal asynchronous transmitter (UAST), and a universal asynchronous receiver (UAST). The interrupt request interface is used for transmitting interrupt requests between the main control module 10 and the fingerprint processor 22. The UAST and UAST transmitters and receivers are used for data transmission between the fingerprint processor 22 and the main control module 10.

[0052] Specifically, the main control module 10 and the fingerprint processor 22 are connected via an Interrupt Request (IRQ) interface, a Universal Asynchronous Receiver / Transmitter Transmitter (UART-TX), and a Universal Asynchronous Receiver / Transmitter Receiver (UART-RX).

[0053] The interrupt request interface can transmit interrupt requests between the main control module 10 and the fingerprint processor 22. For example, the main control module 10 can send an interrupt request to the fingerprint processor 22 through the interrupt request interface, causing the fingerprint processor 22 to suspend its currently executing task and instead execute a preset interrupt handler to process the prompt signal sent by the main control module 10. In this way, the fingerprint processor 22 can respond quickly and perform relevant processing and analysis, improving the response speed of fingerprint enrollment and recognition.

[0054] Alternatively, when the fingerprint processor 22 obtains the processing result, it can send an interrupt request to the main control module 10 via the interrupt request interface. This causes the main control module 10 to suspend its currently executing task and instead execute a preset interrupt handler to process the processing result sent by the fingerprint processor 22. In this way, the main control module 10 can respond quickly and perform relevant processing and analysis, improving the response speed of fingerprint enrollment and recognition.

[0055] A universal asynchronous transmitter and receiver enable data transmission between the fingerprint processor 22 and the main control module 10. Communication via a universal asynchronous transmitter and receiver is simple, flexible, and reliable, adaptable to various application requirements. The data transmission between the fingerprint processor 22 and the main control module 10 is explained in detail below.

[0056] Please see Figure 1 In some embodiments, the universal asynchronous transmitter includes a first universal asynchronous transmitter TX1 and a second universal asynchronous transmitter TX2, and the universal asynchronous receiver includes a first universal asynchronous receiver RX1 and a second universal asynchronous receiver RX2. The first universal asynchronous transmitter TX1 is located in the main control module 10, and the first universal asynchronous receiver RX1 is located in the fingerprint processor 22. The main control module 10 sends a prompt signal to the fingerprint processor 22 via the first universal asynchronous transmitter TX1 and the first universal asynchronous receiver RX1; and / or the second universal asynchronous transmitter TX2 is located in the fingerprint processor 22, and the second universal asynchronous receiver RX2 is located in the main control module 10. The fingerprint processor 22 sends the processing result to the main control module 10 via the second universal asynchronous transmitter TX2 and the second universal asynchronous receiver RX2.

[0057] Specifically, a first universal asynchronous transmitter (UAST) TX1 is disposed in the main control module 10, and a first UAST receiver RX1 is disposed in the fingerprint processor 22. The first UAST transmitter TX1 and the first UAST receiver RX1 are used for data transmission from the main control module 10 to the fingerprint processor 22. For example, the main control module 10 can send a prompt signal to the fingerprint processor 22 through the first UAST transmitter TX1 and the first UAST receiver RX1.

[0058] A second universal asynchronous transmitter (UAV) TX2 is disposed in the fingerprint processor 22, and a second UAV receiver RX2 is disposed in the main control module 10. The second UAV transmitter TX2 and the second UAV receiver RX2 are used for data transmission from the fingerprint processor 22 to the main control module 10. For example, the fingerprint processor 22 can send processing results to the main control module 10 via the second UAV transmitter TX2 and the second UAV receiver RX2.

[0059] Please see Figure 1 and Figure 4 In some embodiments, the fingerprint sensor 21 is connected to the first input pin INT1 of the main control module 10, and the fingerprint sensor 21 is connected to the second input pin INT2 of the fingerprint processor 22. The fingerprint sensor 21 is used to detect touch signals, and when a touch signal is detected, it sends a first interrupt signal to the main control module 10 through the first input pin INT1 to wake up the main control module 10; and / or sends a second interrupt signal to the fingerprint processor 22 through the second input pin INT2 to wake up the fingerprint processor 22.

[0060] Specifically, when the user does not operate the fingerprint lock 200, the fingerprint lock 200 can be in standby mode. At this time, the main control module 10 and the fingerprint processor 22 are in sleep mode, and the fingerprint sensor 21 is in low-power touch detection mode. The fingerprint sensor 21 can detect touch signals in low-power touch detection mode. When the user touches the fingerprint lock 200, the fingerprint sensor 21 can detect the touch signal.

[0061] The fingerprint sensor 21 is connected to the first input pin INT1 of the main control module 10 and to the second input pin INT2 of the fingerprint processor 22. When a touch signal is detected, the fingerprint sensor 21 can output a first interrupt signal and a second interrupt signal. The first interrupt signal is sent to the main control module 10 via the first input pin INT1 to wake up the main control module 10 and start its operation. The second interrupt signal is sent to the fingerprint processor 22 via the second input pin INT2 to wake up the fingerprint processor 22 and start its operation, thereby enabling the fingerprint processor 22 to control the fingerprint sensor 21 to acquire fingerprint images.

[0062] In this embodiment, when the user does not operate the fingerprint lock 200, the fingerprint lock 200 is in standby mode, and the main control module 10, fingerprint processor 22, and fingerprint sensor 21 are in sleep mode or low-power mode, only starting to work when the fingerprint sensor 21 detects a touch signal. This effectively reduces the overall power consumption of the fingerprint module 100.

[0063] Please see Figure 1In some embodiments, the fingerprint processor 22 and the fingerprint sensor 21 are connected via a serial peripheral interface, which includes a chip select sub-interface, a host output-slave input sub-interface, and a host input-slave output sub-interface. The fingerprint processor 22 selects the fingerprint sensor 21 for communication via the chip select sub-interface. The fingerprint processor 22 controls the fingerprint sensor 21 to acquire fingerprint images via the host output-slave input sub-interface. The fingerprint sensor 21 sends the fingerprint image to the fingerprint processor 22 via the host input-slave output sub-interface.

[0064] Specifically, the fingerprint processor 22 and the fingerprint sensor 21 are connected via a Serial Peripheral Interface (SPI). The SPI includes a Chip Select (CS) sub-interface, a Master Out Slave In (MOSI) sub-interface, and a Master In Slave Out (MISO) sub-interface. The fingerprint processor 22 is the master, and the fingerprint sensor 21 is the slave.

[0065] The chip select sub-interface is used to transmit the chip select signal. The fingerprint processor 22 selects the fingerprint sensor 21 for communication through the chip select sub-interface. The fingerprint processor 22 can be activated by pulling the chip select signal low, and conversely, pulling the chip select signal high indicates the end of communication. That is to say, data transmission between the fingerprint processor 22 and the fingerprint sensor 21 can only occur through the host output-slave input sub-interface and the host input-slave output sub-interface when the fingerprint processor 22 sends a low-level chip select signal to the fingerprint sensor 21.

[0066] The fingerprint processor 22 can send commands to the fingerprint sensor 21 via the host output-slave input sub-interface to control the fingerprint sensor 21 to acquire fingerprint images. The fingerprint sensor 21 can send fingerprint images to the fingerprint processor 22 via the host input-slave output sub-interface.

[0067] In this embodiment, the fingerprint processor 22 and the fingerprint sensor 21 communicate via SPI. This enables high-speed data transmission, improves the speed of fingerprint enrollment and recognition, and the SPI communication protocol is relatively simple with low hardware implementation costs.

[0068] Please see Figure 1 In some embodiments, the fingerprint module 100 also includes a speaker 40. The speaker 40 is connected to the fingerprint processor 22 and is used to amplify the voice broadcast by the voice unit 23.

[0069] Specifically, the speaker 40 is connected to the voice unit 23 integrated in the fingerprint processor 22. When the voice unit 23 plays a voice message, the speaker 40 can amplify the voice message to better guide the user's operation.

[0070] Please see Figure 1 In some embodiments, the fingerprint module 100 further includes a power module 50. The power module 50 is connected to the main control module 10 and the processing module 20 respectively to supply power to the main control module 10 and the processing module 20.

[0071] Specifically, the power module 50 is connected to the main control module 10, the fingerprint sensor 21, and the fingerprint processor 22, respectively, and is used to supply power to the main control module 10, the fingerprint sensor 21, and the fingerprint processor 22. In one example, the power module 50 is also used to supply power to the entire fingerprint lock 200.

[0072] The following describes in detail the specific process of fingerprint enrollment and recognition performed by the fingerprint lock 200 according to the embodiments of this application.

[0073] Example 1: Fingerprint Enrollment

[0074] Please see Figure 3 The user selects fingerprint enrollment on the display screen, and the main control module 10 sends a corresponding prompt signal to the fingerprint processor 22. The voice unit 23 integrated on the fingerprint processor 22 announces "Please press your finger" according to the prompt signal. At this time, the fingerprint processor 22 controls the fingerprint sensor 21 to acquire a fingerprint image according to the prompt signal. The acquired fingerprint image is sent to the fingerprint processor 22, and the fingerprint processor 22 generates a fingerprint template based on the fingerprint image.

[0075] The processing result includes the generated result. Each time the fingerprint sensor 21 acquires an image, the fingerprint processor 22 sends the current generated result (i.e., the processing result) to the main control module 10. The main control module 10 can determine whether fingerprint enrollment is complete based on the generated result. Alternatively, the main control module 10 can directly obtain the current image acquisition count from the fingerprint processor 22 and compare it with the preset fingerprint enrollment count to determine whether fingerprint enrollment is complete.

[0076] If fingerprint enrollment is incomplete, the main control module 10 sends a corresponding prompt signal to the fingerprint processor 22. The voice unit 23 announces "Please press your finger" according to the prompt signal, and the fingerprint processor 22 also continues to control the fingerprint sensor 21 to acquire fingerprint images according to the prompt signal.

[0077] The processing results also include detection results. Each time the fingerprint sensor 21 acquires an image, the fingerprint processor 22 can also perform image quality detection on the fingerprint image, obtain the detection result, and broadcast the corresponding detection voice through the voice unit 23 based on the detection result. Image quality detection includes any one or more of image overlap detection, image size detection, and image contamination detection.

[0078] The image overlap detection is used to detect the degree of overlap between two adjacent finger pressing positions. For example, the image overlap detection can compare the feature points in the currently acquired fingerprint image with those in the previously acquired fingerprint image. When the number of identical feature points exceeds a preset threshold, the image overlap is determined to be high, that is, the finger pressing position overlap is high. At this time, the voice unit 23 can announce "Please move your finger to press" based on the detection result.

[0079] Image size detection is used to detect whether the finger is lifted too quickly or whether the finger pressing position is off-center. For example, image size detection can calculate the size of the currently acquired fingerprint image. If the size is smaller than a preset size threshold, it is determined that the image size is too small, that is, the finger is lifted too quickly or the finger pressing position is off-center. At this time, the voice unit 23 can announce "image too small" based on the detection result.

[0080] Image dirt detection is used to detect whether the fingers are sweaty or dirty. For example, image dirt detection can detect the clarity of the currently acquired fingerprint image. When the clarity is lower than a preset clarity threshold, it is determined that the image is dirty, that is, the fingers are sweaty or dirty. At this time, the voice unit 23 can announce "Please clean your fingers before recording" or "Your fingers are dirty" based on the detection result.

[0081] Upon completion of fingerprint enrollment, the control module sends a corresponding prompt signal to the fingerprint processor 22. The voice unit 23 announces "Enrollment complete" based on the prompt signal. The fingerprint processor 22 then ceases control of the fingerprint sensor 21, generates a fingerprint template based on the multiple acquired fingerprint images, and stores it.

[0082] Example 2: Fingerprint Recognition

[0083] Please see Figure 4 When the user does not operate the fingerprint lock 200, the fingerprint lock 200 can be in standby mode. At this time, the main control module 10 and the fingerprint processor 22 are in sleep mode, and the fingerprint sensor 21 is in low-power touch detection mode. The user can directly touch the position on the display screen corresponding to the fingerprint sensor 21, so that the fingerprint sensor 21 can detect the touch signal.

[0084] Upon detecting a touch signal, the fingerprint sensor 21 sends a first interrupt signal to the main control module 10 to wake up the main control module 10; the fingerprint sensor 21 also sends a second interrupt signal to the fingerprint processor 22 to wake up the fingerprint processor 22. After being woken up, the fingerprint processor 22 can control the fingerprint sensor 21 to acquire fingerprint images. The fingerprint sensor 21 then sends the acquired fingerprint image to the fingerprint processor 22 for processing.

[0085] The processing results include comparison results. The fingerprint processor 22 processes the fingerprint image by comparing it with the fingerprint template generated during fingerprint registration, thereby obtaining the comparison results. The fingerprint processor 22 sends the comparison results to the main control module 10, which can control the drive module 30 to operate based on the comparison results. At this time, the voice unit 23 can perform corresponding voice broadcasts based on the comparison results.

[0086] For example, when the comparison result is successful, the main control module 10 can send a control signal to the drive module 30, causing the drive module 30 to control the locking element to unlock. Simultaneously, the voice unit 23 announces "Match successful". When the comparison result is unsuccessful, the main control module 10 may not send a signal to the drive module 30, allowing the drive module 30 to remain in its original state and the locking element to remain locked. Simultaneously, the voice unit 23 announces "Fingerprint mismatch".

[0087] Please see Figure 2 This application also provides a fingerprint lock 200. The fingerprint lock 200 includes the fingerprint module 100 of any of the above embodiments.

[0088] Please see Figure 5 This application also provides a vehicle 1000. The vehicle 1000 includes a fingerprint lock 200 according to any of the above embodiments.

[0089] Specifically, a fingerprint lock 200 can be installed in vehicle 1000 to control the car's wiring, fuel system, and engine starting, ensuring that only verified and authorized users can start vehicle 1000. This improves the security and convenience of using vehicle 1000.

[0090] The specific location of the fingerprint lock 200 in the vehicle 1000 can be set according to actual application needs. For example, the fingerprint lock 200 can be set on the central control screen of the vehicle 1000.

[0091] In summary, in the fingerprint module 100, fingerprint lock 200, and vehicle 1000 of this application, the fingerprint processor 22 is equipped with a voice unit 23. Thus, there is no need to add an additional voice chip and peripheral circuit components, which simplifies the overall circuitry of the fingerprint module 100 and reduces its overall power consumption and cost.

[0092] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0093] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0094] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0095] The foregoing disclosure provides many different embodiments or examples for implementing different structures of this application. To simplify the disclosure, specific examples of components and arrangements are described above. Of course, these are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this application, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0096] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," and "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with an embodiment or example that are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0097] Although embodiments of this application have been shown and described above, those skilled in the art will understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A fingerprint module (100), characterized in that, It includes a main control module (10) and a processing module (20), wherein the processing module (20) includes a fingerprint sensor (21) and a fingerprint processor (22); The main control module (10) is connected to the fingerprint processor (22), and the main control module (10) is used to send a prompt signal to the fingerprint processor (22); The fingerprint sensor (21) is connected to the fingerprint processor (22). The fingerprint sensor (21) is used to acquire fingerprint images and send them to the fingerprint processor (22). The fingerprint processor (22) is equipped with a voice unit (23). The fingerprint processor (22) is used to process the fingerprint image and to broadcast the corresponding voice message through the voice unit (23) according to the processing result and / or the prompt signal.

2. The fingerprint module (100) according to claim 1, characterized in that, The fingerprint module (100) further includes a driving module (30), which is connected to the main control module (10); The fingerprint processor (22) is used to send the processing result to the main control module (10); The main control module (10) is used to send control signals to the drive module (30) according to the processing result, so as to control the drive module (30) to work.

3. The fingerprint module (100) according to claim 2, characterized in that, The main control module (10) and the fingerprint processor (22) are connected through an interrupt request interface, a universal asynchronous transmitter and a universal asynchronous receiver; The interrupt request interface is used to transmit interrupt requests between the main control module (10) and the fingerprint processor (22); The universal asynchronous transmitter and the universal asynchronous receiver are used for data transmission between the fingerprint processor (22) and the main control module (10).

4. The fingerprint module (100) according to claim 3, characterized in that, The universal asynchronous transmitter includes a first universal asynchronous transmitter and a second universal asynchronous transmitter, and the universal asynchronous receiver includes a first universal asynchronous receiver and a second universal asynchronous receiver; The first universal asynchronous transmitter is located in the main control module (10), and the first universal asynchronous receiver is located in the fingerprint processor (22). The main control module (10) sends the prompt signal to the fingerprint processor (22) through the first universal asynchronous transmitter and the first universal asynchronous receiver; and / or The second universal asynchronous transmitter is located in the fingerprint processor (22), and the second universal asynchronous receiver is located in the main control module (10). The fingerprint processor (22) sends the processing result to the main control module (10) through the second universal asynchronous transmitter and the second universal asynchronous receiver.

5. The fingerprint module (100) according to claim 1, characterized in that, The fingerprint sensor (21) is connected to the first input pin of the main control module (10), and the fingerprint sensor (21) is connected to the second input pin of the fingerprint processor (22); The fingerprint sensor (21) is used to detect touch signals, and when the touch signal is detected, it sends a first interrupt signal to the main control module (10) through the first input pin to wake up the main control module (10); and / or sends a second interrupt signal to the fingerprint processor (22) through the second input pin to wake up the fingerprint processor (22).

6. The fingerprint module (100) according to claim 5, characterized in that, The fingerprint processor (22) and the fingerprint sensor (21) are connected through a serial peripheral interface, which includes a chip select sub-interface, a host output-slave input sub-interface, and a host input-slave output sub-interface. The fingerprint processor (22) selects the fingerprint sensor (21) for communication through the chip select sub-interface; The fingerprint processor (22) controls the fingerprint sensor (21) to acquire the fingerprint image through the host output-slave input sub-interface; The fingerprint sensor (21) sends the fingerprint image to the fingerprint processor (22) through the host input-slave output sub-interface.

7. The fingerprint module (100) according to any one of claims 1-6, characterized in that, The fingerprint module (100) also includes a speaker (40), which is connected to the fingerprint processor (22). The speaker (40) is used to amplify the voice broadcast by the voice unit (23).

8. The fingerprint module (100) according to any one of claims 1-6, characterized in that, The fingerprint module (100) also includes a power module (50), which is connected to the main control module (10) and the processing module (20) respectively to supply power to the main control module (10) and the processing module (20).

9. A fingerprint lock (200), characterized in that, Includes the fingerprint module (100) as described in any one of claims 1-8.

10. A vehicle (1000), characterized in that, Includes the fingerprint lock (200) as described in claim 9.

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