Split type real-time infrared passenger flow counter

Abstract

The invention discloses a split type real-time infrared passenger flow counter. The split type real-time infrared passenger flow counter comprises an infrared transmitter, an infrared receiving data processor and a data uploader, wiring-free installation and continuous communication are realized through a split type power supply framework (battery power supply at a detection end and mains supply power supply at an uploading end); the hardware-level adjustable power unit is used for solving the problems of short-distance reflection interference and long-distance signal attenuation; passenger flow data are uploaded to the cloud end in a second level through low-power-consumption Bluetooth long connection; a mobile terminal Bluetooth network configuration technology is adopted, and non-contact network configuration is completed within 5 seconds. The real-time performance, accuracy and deployment efficiency of passenger flow statistics are improved, and the method is suitable for intelligent passenger flow monitoring in commercial and public scenes.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent passenger flow statistics, and particularly relates to a split-type infrared passenger flow counter, which is applicable to real-time passenger flow monitoring in scenarios such as commercial places and public passageways. Background Art

[0002] Existing infrared passenger flow counters mostly adopt an integrated design, and have the following technical defects:

[0003] Serious data transmission delay: Limited by battery power supply and the power consumption of the communication module, the data upload interval is as long as several minutes or even dozens of minutes, which cannot meet the requirements of real-time monitoring;

[0004] Single power supply mode: The integrated structure relies on a single battery for power supply, and it is difficult to support the power consumption of high-frequency data transmission, resulting in a contradiction between the device's battery life and real-time performance;

[0005] Fixed infrared power: The emission power is fixed. At close range, false detections are easily caused by ambient light reflection, and at long range, missed detections are caused by signal attenuation, resulting in poor scene adaptability;

[0006] Low network configuration efficiency: Relying on physical buttons or local interface operations, on-site repeated debugging is required, which is time-consuming and error-prone, especially in large-scale deployments, the efficiency is extremely low.

[0007] The above problems seriously restrict the accuracy and real-time performance of passenger flow statistics, and there is an urgent need for a solution that takes into account low power consumption, high adaptability, real-time transmission, and convenient deployment. Summary of the Invention

[0008] The purpose of the present invention is to provide a split-type real-time infrared passenger flow counter, aiming at the technical defects of the existing technology, and aiming to:

[0009] Solve the dual problems of near-distance reflection interference and far-distance signal loss through adjustable infrared power design;

[0010] Optimize the power supply scheme through a split-type structure, taking into account the wiring-free detection end and continuous power supply of the upload end;

[0011] Adopt the Bluetooth master-slave network configuration mode to achieve fast wireless configuration and improve the deployment efficiency;

[0012] Through split power supply and Bluetooth long connection technology, realize the second-level upload of passenger flow data to the server.

[0013] To achieve the above purpose, the present invention is realized through the following technical solutions: A split-type real-time infrared passenger flow counter, comprising: an infrared emitter, an infrared reception data processor, and a data uploader;

[0014] The infrared emitter includes an infrared emission unit, an infrared power adjustment unit, and a first power supply unit, and is used for emitting infrared rays and dynamically adjusting the infrared emission power;

[0015] The infrared received data processor includes an infrared receiving module, a first wireless communication unit, a second power supply unit, and a data processing module, and is used for receiving infrared signals, processing to obtain passenger flow data, and transmitting the data to a data uploader through the first wireless communication unit;

[0016] The data uploader includes a second wireless communication unit, a power supply adaptation unit, and a network communication module, and is used for establishing a continuous communication connection with the infrared received data processor and uploading the passenger flow data to a cloud server in real time;

[0017] Both the first power supply unit and the second power supply unit are independent power supply architectures, and the data uploader is directly powered by connecting to the commercial power through the power supply adaptation unit, forming a split power supply architecture;

[0018] A long connection communication link is maintained between the infrared received data processor and the data uploader through a low-power Bluetooth protocol to achieve second-level synchronization of passenger flow data.

[0019] Further as an improvement of the technical solution of the present invention, the infrared power adjustment unit is a hardware-level adjustable switch, integrated with the infrared emission unit on the same circuit board, and adjusts the infrared emission power through multiple gears to adapt to different detection distance scenarios.

[0020] Further as an improvement of the technical solution of the present invention, the network communication module of the data uploader supports an encrypted data transmission protocol, and the second wireless communication unit operates in a slave mode, and sends encrypted network configuration information through the host mode of an external terminal device to achieve wireless network configuration without physical operation.

[0021] Further as an improvement of the technical solution of the present invention, the infrared emitter and the infrared received data processor are in a physically separated structure, capture passenger flow behaviors through directional infrared pair signals, and a communication connection is established between the first wireless communication unit of the infrared received data processor and the second wireless communication unit of the data uploader within a preset distance range.

[0022] Further as an improvement of the technical solution of the present invention, the external terminal device is a mobile application program, sends encrypted WIFI configuration information to the data uploader through a Bluetooth protocol, and automatically disconnects the Bluetooth connection after the network configuration is completed.

[0023] Further as an improvement of the technical solution of the present invention, the relationship between the gears of the infrared power adjustment unit and the detection distance is non-linearly corresponding, and the specific gear thresholds are dynamically set according to the width of the installation scenario and the ambient light.

[0024] As a further improvement of the technical solution of the present invention, the network communication module is not limited to a WIFI module, a 4G module, or other types of modules. It should be noted that the types of the network communication module are rich and diverse, not limited to the common WIFI module or 4G module, but also cover other network communication modules, such as long-distance wireless communication modules (such as 2G / 3G / 5G / 6G cellular network modules, LoRa modules and NB-IoT modules in LPWAN modules, WiMAX modules), satellite communication modules (such as GPS / Beidou modules, maritime satellite / iridium modules), wired communication modules (such as Ethernet modules, PLC modules, serial communication modules), and industrial and special scenario dedicated modules (such as microwave communication modules, RFID modules, custom radio frequency modules), etc.

[0025] The present invention has the following beneficial effects:

[0026] Improved real-time performance: Through split power supply and long Bluetooth connection, data can be uploaded to the server within 1 - 2 seconds, which is two orders of magnitude higher than the traditional solution (in the order of minutes).

[0027] Strong scene adaptability: Dynamic power adjustment covers a detection distance of 1 - 12 meters, and the accuracy of passenger flow statistics is increased by more than 40%.

[0028] Deployment convenience: The detection end is free of wiring (battery-powered), and the uploader is powered by the mains. The efficiency of contactless Bluetooth network configuration is increased by 80%, which is suitable for rapid deployment in large-scale scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] By reading the detailed description of the non-restrictive embodiments with reference to the following drawings, other features, objectives, and advantages of the present invention will become more apparent:

[0030] Figure 1 It is a circuit diagram of the infrared emission power level and its circuit implementation (example: a 3-bit DIP switch corresponds to 4 power levels, and the higher the level, the higher the power, which is adapted to different channel widths).

[0031] Figure 2 It is a schematic diagram of the split structure (the infrared emitter and the infrared receiving data processor are physically separated and installed on both sides of the channel; the data uploader is close to the receiving end and is connected to the mains).

[0032] Figure 3 It is a flowchart of the Bluetooth network configuration interaction (the mobile terminal acts as the host and sends encrypted WIFI information to the data uploader slave to complete wireless network configuration).

[0033] In the accompanying drawings: 1 - infrared emitter; 2 - infrared receiving data processor; 3 - data uploader; 11 - infrared emission unit; 12 - infrared power adjustment unit; 13 - first power supply unit; 21 - infrared receiving module; 22 - first wireless communication unit; 23 - second power supply unit; 24 - data processing module; 31 - second wireless communication unit; 32 - power adapter unit; 33 - network communication module. Detailed implementation manners

[0034] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. Here, the schematic embodiments and descriptions of the present invention are used to explain the present invention, but are not intended to limit the present invention.

[0035] It should be noted that all directional indications (such as up, down, left, right, front, back, upper end, lower end, top, bottom...) in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0036] In the present invention, unless otherwise clearly defined and limited, the term "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood according to specific circumstances.

[0037] In addition, in the present invention, descriptions such as "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention.

[0038] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0039] Refer to Figures 1 to 3 , the present invention provides a technical solution: a split-type real-time infrared passenger flow counter, including: an infrared emitter 1, an infrared receiving data processor 2, and a data uploader 3.

[0040] 1. Split-type power supply architecture

[0041] Infrared transmitter 1: includes an infrared transmitting unit 11, an infrared power adjustment unit 12 and a first power supply unit 13 (replaceable battery, independent power supply), which is used to transmit infrared rays and dynamically adjust the transmission power. It supports wiring-free installation and its low-power design ensures months of battery life.

[0042] Infrared receiving data processor 2: includes an infrared receiving module 21, a first wireless communication unit 22 (low-power Bluetooth), a second power supply unit 23 (replaceable battery, independent power supply) and a data processing module 24, which is used to receive infrared signals, process passenger flow data, and communicate with the data uploader 3 via Bluetooth.

[0043] Data uploader 3: includes a second wireless communication unit 31 (low-power Bluetooth slave), a power adapter unit 32 (connected to the mains for direct power supply) and a network communication module 33 (supports encrypted data transmission), which is used to establish a long connection with the infrared receiving data processor 2 and upload passenger flow data to the cloud server in real time.

[0044] 2. Dynamic infrared power adjustment technology

[0045] The infrared power adjustment unit 12 is a hardware-level adjustable switch (such as a dip switch) and is integrated into the same circuit board as the infrared emission unit 11. It supports multiple gears (such as 4 gears) to adjust the infrared emission power. The gears have a nonlinear correspondence with the detection distance and are dynamically set according to the width of the installation scene and the ambient light to solve the problems of short-range reflection interference and long-range signal attenuation.

[0046] 3. Bluetooth long connection real-time transmission mechanism

[0047] The infrared receiving data processor 2 and the data uploader 3 maintain a long-connection communication link through the low-power Bluetooth protocol. Data is transmitted as soon as it is triggered, and the transmission delay is ≤2 seconds, enabling passenger flow data to be synchronized to the cloud in seconds.

[0048] 4. Contactless Bluetooth network configuration

[0049] The data uploader 3 operates in Bluetooth slave mode, and the external terminal device (such as a mobile application) acts as the host to send encrypted WIFI configuration information. Network configuration can be completed without physical operation, and it takes effect within 5 seconds. After network configuration, the Bluetooth connection is automatically disconnected, improving the efficiency of large-scale deployment.

[0050] Example: Split power supply architecture:

[0051] Passenger counting terminal (infrared transmitter 1 and infrared receiving data processor 2): uses independent battery power supply, supports wiring-free installation, and the low-power design ensures several months of battery life;

[0052] Upload end (Data Uploader 3): Connected to the external 220V mains power supply to ensure the continuous operation of the Bluetooth and network modules and support real-time data transmission.

[0053] Technical effect: Completely separate the high-power consumption module (network communication) from the low-power consumption module (infrared detection), break through the power supply bottleneck of the integrated design, and achieve a balance between real-time performance and battery life.

[0054] Dynamic infrared power adjustment technology:

[0055] The infrared emitter 1 is built-in with a DIP switch, supporting multi-level power adjustment (such as 4 levels), and controlling the emission intensity at the hardware level through the PCB board;

[0056] Scene adaptation: Select the corresponding level according to the installation width (such as 1 - 12 meters), reduce the power at close range to avoid reflection interference, and increase the power at long range to ensure signal stability.

[0057] Technical effect: Cover the detection requirements of multiple scenarios, and the passenger flow statistics accuracy rate is increased by more than 40% (see the attached Figure 1 Level and circuit implementation method).

[0058] Bluetooth long connection real-time transmission mechanism:

[0059] The infrared data processor 2 and the data uploader 3 communicate through Bluetooth BLE long connection. The data is transmitted immediately when triggered, and the transmission delay ≤ 2 seconds;

[0060] The data uploader 3 is built-in with a network module, and is synchronized to the cloud in seconds through the TCP protocol, and the front-end software is updated in real-time.

[0061] Technical effect: Compared with the traditional solution (uploading at the minute level), the data real-time performance is improved by two orders of magnitude.

[0062] Contactless Bluetooth network configuration:

[0063] The uploader operates in the Bluetooth slave mode, and the mobile phone applet acts as the master to send encrypted WIFI information; after entering the WIFI information on the applet side, the network configuration is automatically completed, and no physical operation is required throughout the process, and it takes effect within 5 seconds.

[0064] Technical effect: The network configuration efficiency is increased by 80%, especially suitable for large-scale commercial scenario deployment (see the attached Figure 2 Interaction process).

[0065] It should be noted that the attached Figure 1It is: the infrared transmission power level and the circuit implementation circuit diagram; the infrared transmission power is divided into 4 levels. When all 3-bit DIP switches are closed, it is defaulted to level 1; when the first DIP switch is turned on and the rest are closed, the level is adjusted to level 2; when the second DIP switch is turned on and the rest are closed, the level is adjusted to level 3; when the third DIP switch is turned on and the rest are closed, the level is adjusted to level 4. The higher the level, the higher the infrared transmission power, and the wider the corresponding door or channel.

[0066] Hardware installation of this embodiment:

[0067] Infrared transmitter 1 and infrared receiving data processor 2: Fixed on both sides of the door or channel through back adhesive or bracket to form a directional infrared pair structure.

[0068] Data uploader 3: Connected to 220V mains power and installed within 10 meters (the effective communication distance of Bluetooth) around the infrared receiving data processor 2.

[0069] Power adjustment

[0070] According to the channel width (such as 1 - 12 meters) and ambient light, adjust the level of the infrared power adjustment unit 12 through the DIP switch:

[0071] Level 1 (default): Suitable for short distances of 1 - 3 meters (low power, anti-reflection interference);

[0072] Levels 2 - 4: The power increases with the increase of the level, suitable for long distances of 3 - 12 meters (high power, anti-signal attenuation).

[0073] Network configuration operation

[0074] Open the mobile application and search for the Bluetooth signal of the data uploader 3;

[0075] Enter the WIFI account and password or through the 4G network, and the program automatically sends the encrypted information to the second wireless communication unit 31 of the data uploader 3;

[0076] After the network configuration is completed, the Bluetooth connection is automatically disconnected, and the data uploader 3 accesses the cloud through the network communication module 33.

[0077] Data transmission

[0078] After the infrared receiving data processor 2 detects the passenger flow signal, the passenger flow data is generated by the data processing module 24;

[0079] Transmit data through long connection between the first wireless communication unit 22 (Bluetooth host) and the second wireless communication unit 31 (Bluetooth slave) of the data uploader 3;

[0080] The data uploader 3 is uploaded to the cloud server in real time through the network communication module 33 (such as TCP protocol), and the front-end software is refreshed and displayed in real time.

[0081] It should be noted that the types of the network communication module 33 are rich and diverse, not limited to common WIFI modules or 4G modules, but also cover other network communication modules, such as long-distance wireless communication modules (such as 2G / 3G / 5G / 6G cellular network modules, LoRa modules and NB-IoT modules in LPWAN modules, WiMAX modules), satellite communication modules (such as GPS / Beidou modules, maritime satellite / iridium satellite modules), wired communication modules (such as Ethernet modules, PLC modules, serial communication modules), and modules dedicated to industrial and special scenarios (such as microwave communication modules, RFID modules, custom radio frequency modules), etc.

[0082] In summary, the present invention has the following beneficial effects:

[0083] Improved real-time performance: Through split power supply and long Bluetooth connection, data can be uploaded to the server within 1-2 seconds, which is two orders of magnitude higher than the traditional solution (minute level).

[0084] Strong scene adaptability: Dynamic power adjustment covers a detection distance of 1-12 meters, and the accuracy of passenger flow statistics is increased by more than 40%.

[0085] Deployment convenience: The detection end is free of wiring (battery-powered), and the uploader is powered by mains electricity. The efficiency of contactless Bluetooth network configuration is increased by 80%, which is suitable for rapid deployment in large-scale scenarios.

[0086] The technical solutions provided by the embodiments of the present invention have been introduced in detail above. Specific examples are used in this article to elaborate on the principles and implementation manners of the embodiments of the present invention. The descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; at the same time, for those of ordinary skill in the art, according to the embodiments of the present invention, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation to the present invention.

Claims

1. A split-type real-time infrared passenger flow counter, characterized in that Including: An infrared emitter (1), an infrared receiving data processor (2), and a data uploader (3); The infrared emitter (1) includes an infrared emission unit (11), an infrared power adjustment unit (12), and a first power supply unit (13), and is used for emitting infrared rays and dynamically adjusting the infrared emission power; The infrared receiving data processor (2) includes an infrared receiving module (21), a first wireless communication unit (22), a second power supply unit (23), and a data processing module (24), and is used for receiving infrared signals and processing to obtain passenger flow data, and transmitting the data to the data uploader (3) through the first wireless communication unit (22); The data uploader (3) includes a second wireless communication unit (31), a power supply adaptation unit (32), and a network communication module (33), and is used for establishing a continuous communication connection with the infrared receiving data processor (2), and uploading the passenger flow data to the cloud server in real time; Both the first power supply unit (13) and the second power supply unit (23) are independent power supply architectures, and the data uploader (3) is directly powered by connecting to the mains through the power supply adaptation unit (32), forming a split power supply architecture; A long connection communication link is maintained between the infrared receiving data processor (2) and the data uploader (3) through the low-power Bluetooth protocol to achieve second-level synchronization of passenger flow data.

2. The split-type real-time infrared passenger flow counter according to claim 1, characterized in that The infrared power adjustment unit (12) is a hardware-level adjustable switch, integrated with the infrared emission unit (11) on the same circuit board, and adjusts the infrared emission power in multiple gears to adapt to different detection distance scenarios.

3. The split-type real-time infrared passenger flow counter according to claim 1, wherein: The network communication module (33) of the data uploader (3) supports an encrypted data transmission protocol, and the second wireless communication unit (31) operates in slave mode, and the encrypted network configuration information is sent through the host of the external terminal device to achieve wireless network configuration without physical operation.

4. The split-type real-time infrared passenger flow counter according to claim 1, characterized in that: Both the infrared emitter (1) and the infrared receiving data processor (2) are physically separated structures, and the passenger flow behavior is captured through directional infrared pair-emission signals, and a communication connection is established between the first wireless communication unit (22) of the infrared receiving data processor (2) and the second wireless communication unit (31) of the data uploader (3) within a preset distance range.

5. The split-type real-time infrared passenger flow counter according to claim 3, wherein: The external terminal device is a mobile application program, and sends encrypted WIFI configuration information to the data uploader (3) through the Bluetooth protocol, and automatically disconnects the Bluetooth connection after the network configuration is completed.

6. The split-type real-time infrared passenger flow counter according to claim 2, wherein: The gear of the infrared power adjustment unit (12) has a non-linear correspondence with the detection distance, and the specific gear threshold is dynamically set according to the width of the installation scenario and the ambient light.

7. An integral real-time infrared passenger flow counter according to claim 1 or 3, characterized in that: The network communication module (33) is a WIFI module or a 4G module.

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