A low-power inductive device with bidirectional sensing and voice interaction function

Abstract

The utility model discloses a kind of low-power consumption sensing equipment with bidirectional sensing and voice interaction function, it is related to the technical field of bidirectional sensing and voice interaction, including shell, double infrared probe, main control module, audio sounding module, storage module, bluetooth communication module, power module, speaker, real-time clock module and passenger flow statistical module.Double infrared probe is divided and placed at the head of shell, the moving direction of human body can be detected, and the corresponding audio is played through speaker according to the main control module;Supporting the text-to-speech editing of mobile phone applet, audio is transmitted to storage module by bluetooth;Using intelligent hibernation technology, no one triggers 1 minute after closing part module to run with low power consumption, passenger flow can also be counted and details are recorded, adapt to a variety of power supply mode, improve the convenience and intelligent degree of use.

Description

Technical Field

[0001] This utility model relates to the field of bidirectional sensing and voice interaction technology, and in particular to a low-power sensing device with bidirectional sensing and voice interaction functions. Background Technology

[0002] Most existing sensor-based welcome systems use a single sensor (such as a single infrared or microwave radar) to detect human presence, triggering only a single welcome voice and unable to distinguish whether someone is entering or leaving the venue. While some devices have visitor flow statistics, their accuracy is low, especially in narrow entrances and exits or when people are walking side-by-side, making them prone to misjudgment. Furthermore, traditional devices have fixed voice content, are inconvenient to update, lack intelligent broadcasting modes (such as dynamic broadcasts combining time and visitor flow), and have high power consumption, relying on frequent battery replacements or continuous external power supply, resulting in insufficient ease of use and a lack of intelligence. Utility Model Content

[0003] The present invention aims to provide a low-power sensing device with two-way sensing and voice interaction functions, which solves the problems of existing inductive welcome devices that cannot distinguish the direction of people entering and exiting, have fixed voice content, have high power consumption, and have insufficient accuracy in passenger flow statistics.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a low-power sensing device with bidirectional sensing and voice interaction functions, comprising a sensing module for sensing external signals, a main control module for processing signals and controlling device operation, a storage module for storing information, an audio playback module for voice playback, a communication module for communicating with external devices, and a power supply module for providing power; the sensing module, storage module, audio playback module, communication module, and power supply module are electrically connected to the main control module, and the modules work together to achieve the device's bidirectional sensing, voice interaction, and low-power operation functions.

[0005] As a further improvement to the technical solution of this utility model, the sensing module includes a first infrared probe and a second infrared probe installed at both ends of the device; both the first infrared probe and the second infrared probe are used to detect the movement of the human body and generate a trigger signal.

[0006] As a further improvement to the technical solution of this utility model, the main control module determines the direction of the human body's entry and exit according to the triggering sequence of the sensing module, and calls the corresponding audio file in the storage module, which is then processed and played by the audio sound-producing module.

[0007] As a further improvement to the technical solution of this utility model, the main control module is equipped with a power consumption control component, which is used to shut down some unnecessary modules to reduce system power consumption when there is no pedestrian trigger signal for a continuous preset time.

[0008] As a further improvement to the technical solution of this utility model, the communication module is a Bluetooth communication module, which is used to establish a connection with an external smart terminal via Bluetooth to realize parameter configuration, parameter reading and audio file transmission. After receiving the audio file, the device stores it in the storage module.

[0009] As a further improvement to the technical solution of this utility model, the power module is powered by a battery, including but not limited to three AA batteries or a 3.7V lithium battery.

[0010] As a further improvement to the technical solution of this utility model, the external smart terminal generates an audio file through a text-to-speech (TTS) engine and transmits it to the device via Bluetooth.

[0011] As a further improvement to the technical solution of this utility model, the device also includes a passenger flow statistics module, which is electrically connected to the main control module. The passenger flow statistics module records passenger flow information based on the direction of human entry and exit, including entry and exit timestamps and passenger flow data.

[0012] As a further improvement to the technical solution of this utility model, the device also includes a real-time clock module, which is electrically connected to the main control module to provide time information for the device, used for timestamp marking of passenger flow records and control of timing modes.

[0013] As a further improvement to the technical solution of this utility model, the audio sound generation module includes an audio sound generation chip and a speaker. The audio sound generation chip is connected to the main control module and the speaker, and is used to process the audio file and then play the sound through the speaker.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] This invention solves the problem that existing equipment cannot distinguish between entry and exit by setting up a sensing module with a dual infrared probe layout.

[0016] It supports text-to-speech editing via mobile app and Bluetooth file transfer, enabling rapid customization of voice content and overcoming the shortcomings of traditional devices where voice content is fixed and inconvenient to update.

[0017] Employing intelligent sleep technology, when no one is present for a preset period of time, the main control module shuts down unnecessary parts of the audio module and the communication module, putting the entire unit into standby sleep mode, which significantly improves the doorbell's battery life and reduces power consumption.

[0018] Equipped with a passenger flow statistics module, it can accurately record passenger flow information, including entry and exit times and passenger volume, thus improving the accuracy of passenger flow statistics. Attached Figure Description

[0019] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0020] Figure 1 is a schematic diagram of the installation angle and personnel entry and exit recognition of a low-power sensing device with bidirectional sensing and voice interaction functions according to this utility model.

[0021] Figure 2 is a flowchart of the WeChat mini-program communication process of a low-power sensing device with bidirectional sensing and voice interaction functions according to this utility model.

[0022] Figure 3 is a structural framework diagram of a low-power sensing device with bidirectional sensing and voice interaction functions according to an embodiment of this utility model.

[0023] Figure 4 shows the circuit design diagram of the sensing module in this embodiment of the present invention;

[0024] Figure 5 shows the circuit design diagram of the power supply module according to an embodiment of this utility model;

[0025] Figure 6 shows the circuit design diagram of the audio sound generation module according to an embodiment of this utility model;

[0026] Figure 7 shows the circuit design diagram of the storage module in this embodiment of the present invention;

[0027] Figure 8 shows the circuit design diagram of the real-time clock module according to an embodiment of this utility model;

[0028] Figure 9 shows the circuit design diagram of the main control module in an embodiment of this utility model.

[0029] In the attached diagram: 1-Housing; 2-First infrared probe; 3-Second infrared probe; 4-Main control module; 5-Audio sound generation module; 6-Storage module; 7-Bluetooth communication module; 8-Power supply module; 9-Speaker. Detailed Implementation

[0030] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. The illustrative embodiments and descriptions of the present invention are used to explain the present invention, but are not intended to limit the present invention.

[0031] It should be noted that all directional indicators (such as up, down, left, right, front, back, upper end, lower end, top, bottom, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0032] In this utility model, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] Furthermore, in this utility model, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. If the combination of technical solutions is contradictory or impossible to implement, such a combination should be considered non-existent and not within the scope of protection claimed by this utility model.

[0034] The present invention will be further described in detail below with reference to the accompanying drawings.

[0035] Reference Figure 1-3 A low-power sensing device with bidirectional sensing and voice interaction functions is disclosed. The device includes a sensing module for sensing external signals, a main control module 4 for processing signals and controlling device operation, a storage module 6 for storing information, an audio playback module 5 for playing voice, a communication module for communicating with external devices, and a power supply module 8 for providing power. The sensing module, storage module 6, audio playback module 5, communication module, and power supply module 8 are electrically connected to the main control module 4, and the modules work together to realize the device's bidirectional sensing, voice interaction, and low-power operation functions.

[0036] Specifically, in this embodiment, the sensing module includes a first infrared probe 2 and a second infrared probe 3 installed at both ends of the device. Both the first infrared probe 2 and the second infrared probe 3 are used to detect human movement and generate trigger signals. It should be noted that both the first infrared probe 2 and the second infrared probe 3 are high-sensitivity infrared sensors used to detect human movement and generate trigger signals, providing a basis for determining the direction of human entry and exit. When a human body triggers the first infrared probe 2 first and then the second infrared probe 3, it is determined as "entering"; when a human body triggers the second infrared probe 3 first and then the first infrared probe 2, it is determined as "leaving".

[0037] It should be noted that the main control module 4, as the control core of the entire device, is electrically connected to the sensing module, storage module 6, audio output module 5, communication module, power supply module 8, passenger flow statistics module, and real-time clock module. It can determine the direction of a person's entry or exit based on the triggering sequence of the two infrared sensors in the sensing module, and then call the corresponding audio file from the storage module 6 for playback through the audio output module 5 and the speaker. Simultaneously, it controls the device's power consumption. If there is no pedestrian trigger signal for a preset duration (e.g., 1 minute), it shuts down unnecessary parts of the audio output module 5 and the communication module to reduce system power consumption. When a human trigger signal is detected again, it quickly wakes up all modules and resumes normal operation.

[0038] Storage module 6 is connected to main control module 4 and is used to store information such as audio files, passenger flow statistics, equipment configuration parameters, and working mode settings.

[0039] Specifically, in this embodiment, the main control module 4 determines the direction of the human body's entry and exit based on the triggering sequence of the sensing module, and calls the corresponding audio file in the storage module 6, which is then processed and played by the audio sound generation module 5.

[0040] Specifically, in this embodiment, the main control module 4 is equipped with a power consumption control component, which is used to shut down some unnecessary modules to reduce system power consumption when there is no pedestrian trigger signal for a continuous preset time.

[0041] Specifically, in this embodiment, the communication module is a Bluetooth communication module 7. The Bluetooth communication module 7 is used to establish a connection with an external smart terminal via Bluetooth, enabling parameter configuration, parameter reading, and audio file transmission. After receiving the audio file, the device stores it in the storage module 6. It should be noted that the communication module uses a Bluetooth communication module 7, which is connected to the main control module 4. It can connect with a mobile app via Bluetooth, enabling the mobile phone to configure and read the device's parameters and transmit audio files. After receiving the file, the device stores it in the storage module 6.

[0042] Specifically, in this embodiment, the power module 8 is battery-powered, including but not limited to three AA batteries or a 3.7V lithium battery. It should be noted that the power module 8, which can use three AA batteries or a 3.7V lithium battery, provides power to all modules of the doorbell and also has power management functions to ensure stable operation of the device under different power supply methods.

[0043] Specifically, in this embodiment, the external smart terminal generates an audio file through a text-to-speech (TTS) engine and transmits it to the device via Bluetooth.

[0044] Specifically, in this embodiment, the device further includes a passenger flow statistics module, which is electrically connected to the main control module 4. The passenger flow statistics module records passenger flow information based on the direction of entry and exit, including entry / exit timestamps and passenger flow data. It should be noted that the passenger flow statistics module, connected to the main control module 4, increments the entry passenger flow count based on the identified entry direction signal and the exit passenger flow count based on the exit direction signal, and records the timestamp and direction information of each entry / exit event, storing historical passenger flow statistics data.

[0045] Specifically, in this embodiment, the device further includes a real-time clock module, which is electrically connected to the main control module 4. This real-time clock module provides time information to the device for timestamp marking of passenger flow records and control of the timing mode. It should be noted that the real-time clock module is connected to the main control module 4 to provide accurate time information to the system for timestamp marking of passenger flow records and control of the timing mode.

[0046] Specifically, in this embodiment, the audio output module 5 includes an audio output chip and a speaker 9. The audio output chip is connected to the main control module 4 and the speaker 9, and is used to process audio files and then output sound through the speaker 9. It should be noted that the audio output chip, connected to the main control module 4 and the speaker 9, receives audio files called by the main control module 4, processes the audio files, and then outputs sound through the speaker 9.

[0047] Example:

[0048] This embodiment features a low-power sensing device with bidirectional sensing and voice interaction functions, a low-power welcome sensor doorbell with bidirectional voice editing capabilities, including a sensing module, a main control module 4, an audio output module 5, a storage module 6, a communication module, a power supply module 8, a passenger flow statistics module, and a real-time clock module.

[0049] Sensing module: The first infrared probe 2 and the second infrared probe 3 are installed at both ends of the housing 1. They are high-sensitivity infrared sensors that can detect human movement.

[0050] Main control module 4: Employs a high-performance microcontroller, receiving trigger signals from the first infrared probe 2 and the second infrared probe 3. Based on the trigger sequence, it determines the direction of human movement and sends instructions to the audio output module 5, retrieving the corresponding audio file from the storage module 6. Simultaneously, main control module 4 is responsible for controlling the device's power consumption. When there is no pedestrian trigger signal for one minute, it shuts down unnecessary components of the audio output module 5 and the communication module, entering a low-power state. When a human trigger signal is detected again, it quickly wakes up all modules and resumes normal operation.

[0051] Audio output module 5: The audio output chip adopts the AC6965E chip, which is connected to the main control module 4 and the speaker 9. It receives audio file instructions sent by the main control module 4, processes the audio file, and then plays the sound through the speaker 9.

[0052] Storage Module 6: Employs a high-capacity flash memory chip to store audio files transmitted via mobile app, device parameter configuration information, passenger flow statistics, etc.

[0053] Communication module: Integrated into the AC6965E chip, it can establish a connection with a mobile app via Bluetooth. Users can configure device parameters (such as working mode, broadcast volume, etc.) and read parameters (such as passenger flow data) through the mobile app. They can also transmit audio files generated by the mobile app to the device, which will then store them in storage module 6.

[0054] Power module 8: Supports power supply from three AA batteries or a 3.7V lithium battery, providing stable power to all modules of the device. Power module 9 also has power management functions to ensure stable operation of the device under different power supply methods.

[0055] Passenger flow statistics module: Connected to the main control module 4, it receives human entry and exit direction signals sent by the main control module 4, records the timestamp (obtained through the real-time clock module) and direction information of each entry and exit event, and counts the number of entering and leaving passengers, storing the data in the storage module 6. Users can read the passenger flow statistics data in the storage module 6 via a mobile app.

[0056] Real-time clock module: Employing a PCF8563T chip, it connects to the main control module 4 to provide accurate time information for the device. It timestamps the entry and exit events recorded by the passenger flow statistics module and provides a time basis for the device's timing modes, such as automatically turning the voice broadcast function on or off within a preset time period, or playing different voice content at different times.

[0057] Mobile Mini Program: Users can install the corresponding mini program on their mobile phones and connect to the device's Bluetooth communication module 7 via Bluetooth. The mini program has a built-in text-to-speech (TTS) engine. After the user inputs text content, the engine generates an audio file, which is then transmitted to the device via Bluetooth. In addition, the mini program can configure and read parameters such as the device's working mode (normal mode, carousel mode, continuous playback mode, timed mode).

[0058] Work mode

[0059] Normal mode: Plays preset corresponding voices only based on the direction of entry and exit, such as "Welcome" when entering and "Thank you" when leaving.

[0060] Carousel mode: Users can set multiple advertisements or prompt voice messages through a mobile app. Each time someone enters or exits, one of the messages will be played in a loop.

[0061] Continuous playback mode: Users can set up several advertisements or prompt voice messages through a mobile app. Each time someone enters or exits, all the set voice messages will be played in sequence.

[0062] Timed Mode: Based on the time information from the real-time clock module, the voice broadcast function is automatically turned on or off within a preset time period, or different voice content is played at different times (in conjunction with the direction of entry and exit). For example, welcome and farewell voice messages are played during business hours, and the voice broadcast function is turned off during non-business hours.

[0063] Reference Figures 4 to 9 The low-power sensing device with bidirectional sensing and voice interaction functions of this invention is constructed with the main control module 4 as the core in its circuit design. The main control module 4 is connected to many key components, such as the first infrared probe 2 and the second infrared probe 3 in the sensing module. Its circuit connection ensures that the main control module 4 can receive the trigger signals from the two probes in a timely and accurate manner, providing a data basis for determining the direction of human entry and exit.

[0064] The audio output module 5 and the main control module 4 are connected through a specific circuit. The relevant pins of the audio output chip, such as the AC6965E chip, are connected to the corresponding pins of the main control module 4. This circuit connection enables the main control module 4 to accurately transmit the audio file call instructions to the audio output chip. After processing, the audio output chip transmits the audio signal to the speaker 9 for playback through the circuit.

[0065] The storage module 6 and the main control module 4 are connected via data bus and control bus circuits, ensuring that the main control module 4 can perform efficient data read and write operations on the storage module 6, such as storing audio files and reading device configuration parameters. With the communication module integrated into the chip, its circuit connection with the main control module 4 enables Bluetooth communication, ensuring stable parameter configuration, parameter reading, and audio file transfer between the mobile app and the device.

[0066] Power module 9 is connected to each module via power lines, providing a stable power supply to the entire circuit system. Simultaneously, a power management circuit can be installed on the power lines to monitor and control the power output, ensuring that each module receives appropriate voltage and current under different operating conditions, thus achieving low-power operation of the equipment.

[0067] Compared with the prior art, the present invention has the following beneficial effects:

[0068] This invention solves the problem that existing equipment cannot distinguish between entry and exit by setting up a sensing module with a dual infrared probe layout.

[0069] It supports text-to-speech editing via mobile app and Bluetooth file transfer, enabling rapid customization of voice content and overcoming the shortcomings of traditional devices where voice content is fixed and inconvenient to update.

[0070] Employing intelligent sleep technology, when no one is present for a preset period of time, the main control module 4 shuts down unnecessary parts of the audio module 5 and the communication module, putting the entire unit into standby sleep mode, which greatly improves the doorbell's battery life and reduces power consumption.

[0071] Equipped with a passenger flow statistics module, it can accurately record passenger flow information, including entry and exit times and passenger volume, thus improving the accuracy of passenger flow statistics.

[0072] The technical solutions provided by the embodiments of this utility model have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the embodiments of this utility model. The description of the above embodiments is only for helping to understand the principles of the embodiments of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the embodiments of this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A low-power sensing device with bidirectional sensing and voice interaction functions, characterized in that: The device includes a sensing module for sensing external signals, a main control module for processing signals and controlling device operation, a storage module for storing information, an audio playback module for playing voice signals, a communication module for communicating with external devices, and a power supply module for providing power. The sensing module, storage module, audio playback module, communication module, and power supply module are all electrically connected to the main control module.

2. The low-power sensing device with bidirectional sensing and voice interaction functions according to claim 1, characterized in that: The sensing module includes a first infrared probe and a second infrared probe installed at both ends of the device; both the first infrared probe and the second infrared probe are used to detect human movement and generate trigger signals.

3. The low-power sensing device with bidirectional sensing and voice interaction functions according to claim 1, characterized in that: The main control module determines the direction of the human body's entry and exit based on the triggering sequence of the sensing module, and calls the corresponding audio file in the storage module, which is then processed and played by the audio sound-producing module.

4. The low-power sensing device with bidirectional sensing and voice interaction functions according to claim 1, characterized in that: The main control module is equipped with a power consumption control component, which is used to shut down some unnecessary modules when there is no pedestrian trigger signal for a continuous preset time.

5. The low-power sensing device with bidirectional sensing and voice interaction functions according to claim 1, characterized in that: The communication module is a Bluetooth communication module, which is used to establish a connection with an external smart terminal via Bluetooth to realize parameter configuration, parameter reading and audio file transmission. After receiving the audio file, the device stores it in the storage module.

6. The low-power sensing device with bidirectional sensing and voice interaction functions according to claim 1, characterized in that: The power module is powered by batteries, including but not limited to three AA batteries or a 3.7V lithium battery.

7. The low-power sensing device with bidirectional sensing and voice interaction functions according to claim 5, characterized in that: The external smart terminal generates an audio file using a text-to-speech engine and transmits it to the device via Bluetooth.

8. The low-power sensing device with bidirectional sensing and voice interaction functions according to claim 1, characterized in that: The device also includes a passenger flow statistics module, which is electrically connected to the main control module. The passenger flow statistics module records passenger flow information based on the direction of human entry and exit, including entry and exit timestamps and passenger flow data.

9. The low-power sensing device with bidirectional sensing and voice interaction functions according to claim 1, characterized in that: The device also includes a real-time clock module, which is electrically connected to the main control module and provides time information for the device, used for timestamp marking of passenger flow records and control of timing modes.

10. The low-power sensing device with bidirectional sensing and voice interaction functions according to claim 1, characterized in that: The audio output module includes an audio output chip and a speaker. The audio output chip is connected to the main control module and the speaker, and is used to process the audio file and then play the sound through the speaker.

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