Intelligent scanning dictionary pen
By designing a two-chip system, the problems of long startup time and high power consumption of the scanning dictionary pen were solved, achieving fast startup and ultra-low power standby, thus improving the user experience.
Patent Information
- Application Number
- CN202422765467.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-12
AI Technical Summary
Existing scanning dictionary pens have a long startup time, high power consumption, and cannot achieve long-term standby time.
The system employs a two-chip system. The second chip serves as the main control chip, running an RTOS system and supporting low-power standby. The first chip is an AI chip that quickly starts up and completes image acquisition and translation. It achieves fast startup and ultra-low power consumption through SPI and UART communication bridging.
It achieves fast startup and ultra-low power standby for the scanning dictionary pen, improving the user experience.
Smart Images

Figure CN223461896U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to an education electronic product field especially particularly relates to a kind of intelligent scanning dictionary pen for teaching auxiliary learning tool.
BACKGROUND
[0002] With the development of information and electronic technology, auxiliary learning tools have developed rapidly. Dictionary pen is a new generation of learning products after computer learning machine, tape recorder and electronic dictionary. The scanning pen, also known as scanning pen, replaces the key input mode of traditional electronic dictionary by scanning. It is the most popular learning tool among students. When encountering an unknown word, you only need to scan it, and you can get a prompt for the unfamiliar word. It can greatly improve the learning effect and interest of students. Due to the sharing and convenience of the dictionary pen, it is welcomed by more and more students and parents. When in use, most of the scanning pens in the prior art use LINUX system, which needs a long startup time. Generally, it takes at least 7 seconds, or even longer. The use consumes a lot of power, and long standby time cannot be achieved.
SUMMARY OF UTILITY MODEL
[0003] Therefore, the technical problem to be solved by the utility model is to provide an intelligent scanning dictionary pen that can support fast startup and ultra-low power consumption.
[0004] To solve the above technical problems, the utility model provides an intelligent scanning dictionary pen, which includes a dictionary pen shell, a cavity horn assembly installed on the upper end of the dictionary pen shell, a battery module installed at the middle position of the dictionary pen shell, a dictionary pen circuit board installed inside the dictionary pen shell and located above the cavity horn assembly and the battery module, a silica gel decorative sheet and a silica gel voice key assembly installed at the bottom end of the periphery of the dictionary pen shell, and a dictionary pen reading assembly installed at the lower end of the dictionary pen shell for reading data information.
[0005] The dictionary pen shell includes a dictionary pen rear shell placed at the bottom, a dictionary pen middle frame installed on the upper end of the dictionary pen rear shell, and a high-definition screen assembly installed on the upper end of the dictionary pen middle frame. The dictionary pen rear shell includes a horn assembly storage groove for storing and fixing the cavity horn assembly at the upper end, a battery storage groove for storing the battery module at the middle position, and a dictionary pen reading assembly at the lower end position.
[0006] The dictionary pen reading assembly includes a movable pen head support placed at the bottom end, a return spring installed on the upper end of the movable pen head support, a foresight scanning piece installed on the side of the movable pen head support, a camera dustproof lens installed on the upper end of the foresight scanning piece, a high-definition camera installed on the upper end of the camera dustproof lens, and a camera protection pad installed on the upper end of the high-definition camera.
[0007] The dictionary pen circuit board comprises a first chip, a second chip, a communication circuit connected between the first chip and the second chip, a charging and power management unit connected to the first chip and the second chip respectively, an image acquisition circuit connected to the first chip and the second chip respectively and simultaneously, a NOR FLASH storage circuit connected to the first chip, and an SD NAND storage circuit connected to the first chip; a TF card storage circuit, a WIFI circuit, a sound acquisition circuit, an audio power amplifier circuit, and a display circuit connected to the second chip respectively.
[0008] The first chip comprises a first chip main body, an SPI1 interface, a QSPI interface, an SDIO1 interface, a POWER1 interface, a UARI1 interface, and an SPI2 interface arranged in the first chip main body respectively; and the first chip main body is composed of a chip system with a model number of CSK6011.
[0009] The second chip comprises a second chip main body, a UARI2 interface, a UARI3 interface, an SPI3 interface, an INT interface, an SPI2 interface, a DCXO interface, a WIFI interface, a MIC interface, an AUDIO interface, an SPI4 interface, an I2C interface, an SDIO2 interface, and a POWER2 interface arranged in the second chip main body respectively; and the second chip main body is composed of a chip system with a model number of XR872.
[0010] The second chip minimum operating system is composed of a nor FLASH, a master control chip XR872, and a clock oscillation circuit, is responsible for the operation of the entire system, various data processing, and contains sound input, sound output, and image output driving.
[0011] Further limited, the charging and power management unit comprises a storage power supply, a DC power supply connected to the storage power supply, a charging chip with a model number of TP4057C connected to the storage power supply, and a TYPE-C interface connected to the charging chip; the storage power supply and the POWER2 interface in the second chip are connected to each other, and the DC power supply is connected to the POWER2 interface in the second chip and the POWER1 interface in the first chip simultaneously and respectively; when in use, the main board is powered by the type-c interface, the battery is charged by the charging chip with a model number of TP4057C, the battery supplies power to the WIFI-SOC-XR872 system, the XR872 system has a PMU power management inside, can output 3.3V power supply externally, and the radio frequency amplification circuit inside the XR872 system is powered by an external DC-DC 1.8V.
[0012] The NOR FLASH storage circuit comprises a NOR FLASH chip connected with a QSPI interface inside the first chip, and is responsible for storing running firmware, image splicing, OCR algorithm and translation engine of the first chip.
[0013] The SD NAND storage circuit comprises an SD NAND chip connected with an SDIO1 interface inside the first chip, and is mainly responsible for storage, dictionary, thesaurus and content resource.
[0014] The image acquisition circuit comprises a Scan Camera chip connected with an SPI1 interface inside the first chip, and adopts a 62-frame 800,000-pixel camera to transmit pictures to the first chip for processing through the SPI1 interface.
[0015] The communication circuit is composed of an SPI bus and a UART communication protocol, and is mainly responsible for communication information between the first chip and the second chip.
[0016] The WIFI circuit comprises a WIFEI ANT antenna connected with a WIFI interface inside the second chip, and the bottom end of the WIFEI ANT antenna is externally connected with a ceramic antenna, and the circuit is mainly responsible for wide area network connection.
[0017] The sound acquisition circuit comprises a MIC chip connected with a MIC interface inside the second chip, and an analog microphone is externally connected to the circuit to acquire sound signals.
[0018] The audio power amplifier circuit comprises an HHA9103 chip connected with an AUDIO interface inside the second chip, and a loudspeaker SPK connected to the HHA9103 chip, wherein the second chip outputs analog audio signals, the sound is amplified through the HAA9203 chip of the power amplifier, and then the external loudspeaker is driven.
[0019] The display circuit comprises a display screen LCD connected with an SPI4 interface inside the second chip, and the image is transmitted to the display screen LCD through the SPI4 interface.
[0020] The TF card storage circuit comprises a TF CARD chip connected with an SDIO interface inside the second chip, and the storage circuit is composed of a TF card seat and is used for providing extended storage for users.
[0021] The utility model discloses beneficial technical effects: because the thesaurus pen circuit board comprises a first chip, a second chip and a communication circuit connected between the first chip and the second chip, when using, through the second chip, the first chip and the communication circuit mutual cooperation, realize quick start action, can enter ultra -low power consumption standby state at any time, thereby, reach can support quick start, ultra -low power consumption's function.
[0022] The technical scheme of the utility model will be described in further detail below with reference to the drawings and embodiments.
DRAWINGS
[0023] Fig. 1 It is a perspective exploded view of the intelligent scanning dictionary pen in the utility model;
[0024] Fig. 2 It is an installation structure schematic view of the intelligent scanning dictionary pen in the utility model;
[0025] Fig. 3 It is a block schematic view of the dictionary pen circuit board in the utility model;
[0026] Fig. 4 It is a circuit diagram of the dictionary pen circuit board in the utility model.
[0027] The drawings show that A is a charging and power management unit, B is a second chip, C is a NOR FLASH storage circuit, D is an SD NAND storage circuit, E is an image acquisition circuit, F is a communication circuit, G is a WIFI circuit, H is a sound acquisition circuit, K is an audio power amplifier circuit, M is a display circuit, and N is a TF card storage circuit.
DETAILED DESCRIPTION
[0028] In order to make the technical problems, technical schemes and beneficial effects to be solved in the utility model more clear and obvious, the utility model will be described in further detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model.
[0029] Please refer to Figs. 1 to 4 The intelligent scanning dictionary pen comprises a dictionary pen shell, a cavity loudspeaker assembly 1, a battery module 2, a dictionary pen circuit board 3, a silica gel decorative sheet 4, a silica gel voice key assembly 5, and a dictionary pen reading assembly.
[0030] The dictionary pen shell comprises a dictionary pen back shell 6 arranged at the bottom, a dictionary pen middle frame 7 arranged on the dictionary pen back shell 6, and a high-definition screen assembly 8 arranged on the dictionary pen middle frame 7; the dictionary pen back shell 6 comprises a loudspeaker assembly accommodating groove arranged at the upper end and used for accommodating and fixing the cavity loudspeaker assembly 1, a battery accommodating groove arranged at the middle position and used for accommodating the battery module 2, and a dictionary pen reading assembly arranged at the lower end position.
[0031] The reading component of the dictionary pen comprises a movable pen head support 9 arranged at the bottom end, a reset spring 10 arranged at the upper end of the movable pen head support 9, a sight scanning piece 11 arranged at the side of the movable pen head support 9, a camera dustproof lens 12 arranged at the upper end of the sight scanning piece 11, a high-definition camera 13 arranged above the camera dustproof lens 12, and a camera protection pad 14 arranged at the upper end of the high-definition camera 13.
[0032] When installed, the cavity loudspeaker assembly 1 is installed at the upper end of the dictionary pen shell, the battery module 2 is installed at the middle position of the dictionary pen shell, the dictionary pen circuit board 3 is installed inside the dictionary pen shell and above the cavity loudspeaker assembly 1 and the battery module 2, the silica gel decorative sheet 4 and the silica gel voice button assembly 5 are installed at the peripheral bottom end of the dictionary pen shell, and the reading component of the dictionary pen is installed at the lower end of the dictionary pen shell, which is mainly used for reading data information.
[0033] The dictionary pen circuit board 3 comprises a first chip, a second chip, a communication circuit connected between the first chip and the second chip, a charging and power management unit connected to the first chip and the second chip respectively, an image acquisition circuit connected to the first chip and the second chip respectively, a NOR FLASH storage circuit connected to the first chip, and an SD NAND storage circuit connected to the first chip; a TF card storage circuit, a WIFI circuit, a sound acquisition circuit, an audio power amplifier circuit, and a display circuit connected to the second chip respectively.
[0034] The first chip comprises a first chip main body, an SPI1 interface, a QSPI interface, an SDIO1 interface, a POWER1 interface, a UARI1 interface, and an SPI2 interface arranged inside the first chip main body respectively; and the first chip main body is composed of a chip system with a model number of CSK6011.
[0035] The second chip comprises a second chip main body, a UARI2 interface, a UARI3 interface, an SPI3 interface, an INT interface, an SPI2 interface, a DCXO interface, a WIFI interface, a MIC interface, an AUDIO interface, an SPI4 interface, an I2C interface, an SDIO2 interface, and a POWER2 interface arranged inside the second chip main body respectively; and the second chip main body is composed of a chip system with a model number of XR872.
[0036] The minimum running system of the second chip is composed of a nor FLASH, a master control chip XR872, and a clock oscillation circuit, which is responsible for the running of the entire system, various data processing, including sound input, sound output, and image output driving.
[0037] The charging and power management unit includes a storage power supply, a DC power supply connected with the storage power supply, a charging chip of TP4057C connected with the storage power supply, and a TYPE-C interface connected with the charging chip; the storage power supply and the POWER2 interface in the second chip are connected with each other, the DC power supply is connected with the POWER2 interface in the second chip and the POWER1 interface in the first chip at the same time; in use, the TYPE-C interface is used to supply power to the mainboard, the charging chip of TP4057C is used to charge the battery, the battery is used to supply power to the WIFI-SOC-XR872 system, the XR872 system has a PMU power management inside, can output 3.3V power supply outside, and the radio frequency amplification circuit inside the XR872 system is supplied with power by an external DC-DC 1.8V.
[0038] The NOR FLASH storage circuit includes a NOR FLASH chip connected with a QSPI interface inside the first chip, and is responsible for the storage operation of the first chip, the running of firmware, the image splicing, the OCR algorithm and the translation engine. The SD NAND storage circuit includes an SD NAND chip connected with an SDIO1 interface inside the first chip; the storage circuit is mainly responsible for storage, dictionaries, dictionaries and content resources.
[0039] The image acquisition circuit includes a Scan Camera chip connected with an SPI1 interface inside the first chip; the acquisition circuit adopts a 62-frame 800,000-pixel camera, and transmits pictures to the first chip for processing through the SPI1 interface.
[0040] The communication circuit is composed of an SPI bus and a UART communication protocol, and is mainly responsible for the communication information between the first chip and the second chip. The WIFI circuit includes a WIFEI ANT antenna connected with a WIFI interface inside the second chip, and the bottom end of the WIFEI ANT antenna is externally linked with a ceramic antenna; the circuit is mainly responsible for wide area network connection. The sound acquisition circuit includes a MIC chip connected with a MIC interface inside the second chip; an analog microphone is externally connected to the circuit to acquire sound signals.
[0041] The audio power amplifier circuit includes an HHA9103 chip connected with an AUDIO interface inside the second chip, and a speaker SPK connected with the HHA9103 chip, wherein the second chip outputs an analog audio signal, the audio signal is amplified by the HAA9203 chip of the power amplifier, and then the external speaker is driven. The display circuit includes a display screen LCD connected with an SPI4 interface inside the second chip, and the image is transmitted to the display screen LCD through the SPI4 interface. The TF card storage circuit includes a TF CARD chip connected with an SDIO interface inside the second chip, and the storage circuit is composed of a TF card seat and is used for providing the user with extended storage.
[0042] In use, the foresight scanning piece 11 arranged on the active pen head support 9 is pressed down, a mechanical switch inside the foresight scanning piece 11 is triggered, and the second chip in the ultra-low power consumption standby state is triggered and started. After the second chip is started, the chip power supply of the first chip is immediately driven to be turned on.
[0043] After the first chip is powered on, the camera is opened, the image acquisition circuit acquires image information, and the collected image is spliced and OCR through the internal NPU neural network unit and algorithm, the text in the long picture is extracted to form text information, and Chinese or English translation is performed, and the text information is transmitted to the second chip through the SPI bus.
[0044] After the second chip receives the text information, the text information is transmitted to the display screen through the SPI4 interface and displayed, and TTS speech synthesis technology is performed to convert the text into speech. At the same time, after the second chip converts the text into speech, the sound is transmitted to the rear-end power amplifier chip through the analog audio interface, the sound is amplified, and the sound is played out.
[0045] In the embodiment, the second chip with the model number XR872 is used as the main control motherboard of the entire circuit board. If the main control motherboard is not controlled for 5 minutes, the second chip enters an ultra-low power consumption standby mode, the second chip closes the circuit consuming power in the system, and the low power consumption standby is achieved. When the user uses the scanning pen next time, the mechanical key of the scanning head triggers the second chip, the system is immediately started, and power is quickly provided to the first chip. After the first chip is powered on, the image acquisition splicing, OCR and translation can be completed in 0.1 seconds, the corresponding text is transmitted to the second chip through the SPI2 interface, the second chip is responsible for displaying the text, and the function of rapid starting is realized.
[0046] In the scanning process, two sets of chip combinations of the first chip and the second chip are adopted. The second chip runs the RTOS system, and this chip serves as the upper computer and controls the entire circuit system. The advantage of this chip is that it can be in low-power standby, and the minimum standby current can be 30uA, and it supports interrupt triggering and fast startup. In addition, the first chip is the CSK6011 AI chip, and the second chip is built-in 128G computing power NPU. The camera image can be collected within 0.1 seconds after power-on, and image stitching, OCR recognition and text extraction can be completed. Based on the two chips, the problems of ultra-low power standby and fast startup can be solved through the SPI and UART communication bridge.
[0047] Based on the above, the dictionary pen circuit board 3 includes the first chip, the second chip, and the communication circuit connected between the first chip and the second chip. When in use, the second chip, the first chip and the communication circuit cooperate with each other to realize fast startup action and enter the ultra-low power standby state at any time. Therefore, the function of supporting fast startup and ultra-low power consumption can be achieved.
[0048] The preferred embodiments of the present application are described above with reference to the accompanying drawings, but the scope of the present application is not limited by the above. Any modification, equivalent replacement and improvement made by those skilled in the art without departing from the scope and essence of the present application shall be within the scope of the present application.
Claims
1. An intelligent scanning dictionary pen, comprising a dictionary pen shell, a cavity horn assembly installed at the upper end of the dictionary pen shell, a battery module installed at the middle position of the dictionary pen shell, a dictionary pen circuit board installed inside the dictionary pen shell and located above the cavity horn assembly and the battery module, a silica gel decorative piece and a silica gel voice key assembly installed at the peripheral bottom end of the dictionary pen shell, and a dictionary pen reading assembly installed at the lower end portion of the dictionary pen shell for reading data information; The dictionary pen shell comprises a dictionary pen rear shell arranged at the bottom, a dictionary pen middle frame installed above the dictionary pen rear shell, and a high-definition screen assembly installed above the dictionary pen middle frame; the dictionary pen rear shell comprises a horn assembly accommodating groove arranged at the upper end for accommodating and fixing the cavity horn assembly, a battery accommodating groove arranged at the middle position for accommodating the battery module, and a dictionary pen reading assembly arranged at the lower end position; The dictionary pen reading assembly comprises a movable pen head support arranged at the bottom end, a return spring installed at the upper end of the movable pen head support, a foresight scanning piece installed at the side of the movable pen head support, a camera dustproof lens installed at the upper end of the foresight scanning piece, a high-definition camera installed above the camera dustproof lens, and a camera protection pad installed at the upper end of the high-definition camera; characterized in that: The dictionary pen circuit board comprises a first chip, a second chip, a communication circuit connected between the first chip and the second chip, a charging and power management unit connected to the first chip and the second chip respectively, an image acquisition circuit connected to the first chip and the second chip respectively, a NOR FLASH storage circuit and an SD NAND storage circuit connected to the first chip respectively, a TF card storage circuit, a WIFI circuit, a sound acquisition circuit, an audio power amplifier circuit, and a display circuit connected to the second chip respectively; The first chip comprises a first chip main body, an SPI1 interface, a QSPI interface, an SDIO1 interface, a POWER1 interface, a UARI1 interface, and an SPI2 interface arranged inside the first chip main body respectively; the first chip main body is composed of a chip system with a model number of CSK6011; The second chip comprises a second chip main body, a UARI2 interface, a UARI3 interface, an SPI3 interface, an INT interface, an SPI2 interface, a DCXO interface, a WIFI interface, a MIC interface, an AUDIO interface, an SPI4 interface, an I2C interface, an SDIO2 interface, and a POWER2 interface arranged inside the second chip main body respectively; the second chip main body is composed of a chip system with a model number of XR872; The second chip minimum operating system is composed of a nor FLASH, a master control chip XR872, and a clock oscillation circuit, responsible for the entire system operation and various data processing, including sound input, sound output, and image output driving.
2. The intelligent scanning dictionary pen according to claim 1, wherein: The charging and power management unit comprises a storage power supply, a DC power supply connected with the storage power supply, a charging chip of TP4057C connected with the storage power supply, and a TYPE-C interface connected with the charging chip; the storage power supply and a POWER2 interface in the second chip are connected with each other, and the DC power supply is connected with the POWER2 interface in the second chip and a POWER1 interface in the first chip at the same time; in use, the TYPE-C interface supplies power for the mainboard, the charging chip of TP4057C charges the battery, the battery supplies power for the WIFI-SOC-XR872 system, the XR872 system has a PMU power management inside, can output a 3.3V power supply externally, and the radio frequency amplification circuit inside the XR872 system is supplied with power by an external DC-DC 1.8V; The NOR FLASH storage circuit comprises a NOR FLASH chip connected with a QSPI interface inside the first chip, and is responsible for storing the running firmware of the first chip, running image splicing, an OCR algorithm and a translation engine; The SD NAND storage circuit comprises an SD NAND chip connected with an SDIO1 interface inside the first chip, and is mainly responsible for storage, dictionaries, word dictionaries and content resources; The image acquisition circuit comprises a Scan Camera chip connected with an SPI1 interface inside the first chip, and the acquisition circuit adopts a 62-frame 800,000-pixel camera to transmit pictures to the first chip through the SPI1 interface for processing; The communication circuit is composed of an SPI bus and a UART communication protocol, and is mainly responsible for communication information between the first chip and the second chip; The WIFI circuit comprises a WIFEI ANT antenna connected with a WIFI interface inside the second chip, and a ceramic antenna connected with the bottom end of the WIFEI ANT antenna, and the circuit is mainly responsible for wide area network connection; The sound acquisition circuit comprises a MIC chip connected with a MIC interface inside the second chip, and an analog microphone connected externally to acquire sound signals; The audio power amplifier circuit comprises an HHA9103 chip connected with an AUDIO interface inside the second chip, and a loudspeaker SPK connected with the HHA9103 chip, the second chip outputs an analog audio signal, the sound is amplified through the HAA9203 chip of the power amplifier, and then the external loudspeaker is driven; The display circuit comprises a display screen LCD connected with an SPI4 interface inside the second chip, and the image is transmitted to the display screen LCD through the SPI4 interface; The TF card storage circuit comprises a TF CARD chip connected with an SDIO interface inside the second chip, and the storage circuit is composed of a TF card seat and is used for providing the user with extended storage.