Multi-channel biological acoustic acquisition instrument
Through the modular design of multi-channel bioacoustic acquisition instruments and solar power supply system, the problems of low acquisition efficiency and poor durability of traditional bioacoustic acquisition instruments are solved, and efficient and convenient data acquisition and transmission are achieved, adapted to harsh environments and are suitable for field research.
Patent Information
- Application Number
- CN202421487892.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-06-26
AI Technical Summary
Traditional bioacoustic collectors have low acquisition efficiency and poor durability, complex structure and inconvenient assembly and maintenance, and a single data transmission method, low working efficiency.
The multi-channel bioacoustic acquisition device is designed, adopting a modular component layout (photovoltaic controller, rechargeable battery, analog board, motherboard, display structure), combined with solar power supply system, portable design, integrated display structure and wireless module, using aviation sockets and multi-function antennas, with colorful LCD display, and the box is made of high-strength plastic.
It improves the comprehensiveness and accuracy of the acquisition, enhances the portability and durability of the equipment, simplifies the assembly and maintenance process, supports sound acquisition in multiple directions or multiple biological individuals, realizes instant viewing and remote transmission of data, and adapts to harsh environments.
Smart Images

Figure CN223179637U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sound monitoring, and particularly relates to a multi-channel bioacoustic collector. Background Art
[0002] Traditional bioacoustic collectors generally only have single-channel collection, with slow collection efficiency. Moreover, the recorded sounds are generally transmitted in a wired manner for researchers to view and analyze, resulting in low work efficiency. In addition, traditional bioacoustic collectors work in harsh collection environments, with poor durability and reliability. Also, traditional bioacoustic collectors have complex structures, and the relationships between various components are not convenient for assembly and maintenance, increasing costs. Content of the Utility Model
[0003] Technical Problems to be Solved by the Utility Model
[0004] Aiming at the technical problems of how to improve the collection comprehensiveness, accuracy of bioacoustic collectors and facilitate assembly and maintenance, the utility model provides a multi-channel bioacoustic collector, which improves the collection comprehensiveness and accuracy of bioacoustic collectors, accurately locates the sound source type and position, captures sounds all-round and precisely, and is more convenient for assembly and maintenance.
[0005] Technical Solution
[0006] To solve the above problems, the technical solution provided by the utility model is as follows:
[0007] A multi-channel bioacoustic collector, including a box body, which includes an electrical box and a dry battery box, and the box body is provided with an opening; an electrical box, including a photovoltaic controller, a rechargeable battery, an analog board, a main board and a display structure arranged in sequence in the direction towards the opening, the photovoltaic controller, the rechargeable battery, the analog board and the display structure are all electrically connected to the main board, and the analog board is connected with a plurality of XLR sockets.
[0008] Solar Power System: With a built-in photovoltaic controller and rechargeable battery, the device can be charged using solar energy, significantly enhancing its ability to operate for extended periods in the field and reducing reliance on traditional dry-cell batteries. This is both environmentally friendly and economical. Modular Design: Components within the electrical box are arranged in functional order (PV controller → rechargeable battery → analog board → main board → display module). This layout facilitates heat dissipation management and maintenance upgrades. Each module is relatively independent, making troubleshooting and replacement easier. Multi-channel Acquisition Capability: The analog board connects to multiple XLR sockets, enabling the device to simultaneously record sounds from different directions or from multiple individuals. This is crucial for studying biodiversity, social interactions, and species location, significantly enhancing the comprehensiveness and depth of data collection. Portability and Durability: The enclosure design features openings, potentially allowing for quick access to internal components. It may also incorporate dust and water protection to ensure stable operation in harsh outdoor environments. The enclosure structure enhances the device's portability and durability, making it suitable for deployment in diverse terrains and climates. Integrated display structure: The directly integrated display structure facilitates instant on-site viewing of device status, adjustment of settings, or preview of collected data, improving the intuitiveness and efficiency of on-site operations. Basic operations can be completed without an external monitor or computer.
[0009] Optionally, a lid hinged at one side is provided at the opening of the box.
[0010] The hinged lid can be tightly closed when not in use, effectively preventing dust, moisture, rain or other external factors from invading the box, and protecting sensitive electronic components in the electrical box and dry battery box from damage. The lid design with hinged one side allows users to open it quickly and easily when they need to check or replace internal components (such as rechargeable batteries, make circuit adjustments, etc.) without removing the entire box or extensive disassembly, simplifying daily maintenance and emergency troubleshooting. Compared to a fully detachable lid design, a hinged lid is usually equipped with a locking mechanism (such as a snap lock, screw fixation, etc.), which can better maintain a closed state in harsh outdoor environments, avoid accidental opening, and ensure equipment safety. When deployed or transported in the field, the hinged lid design does not require an additional lid for storage, making the overall design more compact and easier to carry and store.
[0011] Optionally, a sealing strip is provided on the edge of the cover or the edge of the opening.
[0012] The sealing strip can effectively prevent rain, dust and other tiny particles from entering the box, protecting the internal circuits and electronic components from moisture and pollution. This is especially important for equipment deployed in the field for a long time.
[0013] Optionally, the main board includes a main board body, a main board support plate, and a main board housing. The main board support plate structurally connects the main board body and the rechargeable battery, and the main board housing covers the outside of the main board body.
[0014] Main board body: This is the core part of the device, integrating key electronic components such as a processor, a memory, and a signal processing circuit, responsible for data acquisition, processing, and other functions of the management system. Main board support plate: It acts as a bridge, structurally connecting the main board body and the rechargeable battery, ensuring a stable connection between the main board and the power supply, avoiding connection loosening caused by vibration or external forces, and improving the stability and reliability of the system. Main board housing: Covering the outside of the main board body, it serves as a physical protection barrier, which can prevent external factors such as dust, moisture, and collision from damaging the main board, extending the service life of the device. The main board housing may be made of corrosion-resistant and impact-resistant materials, further enhancing the environmental adaptability of the device.
[0015] Optionally, the rechargeable battery is connected to an aviation socket.
[0016] Aviation sockets are known for their high reliability and durability, capable of withstanding more plugging and unplugging times, and providing stable power transmission during connection, ensuring an efficient and error-free charging process. This is crucial for devices that need to frequently replace or connect to external power sources in the wild. Aviation sockets usually have good waterproof and dustproof performance (such as reaching IP67 level), which can effectively prevent moisture and dust from entering under various outdoor weather conditions, protecting the charging interface from environmental damage and extending the service life of the device. The unique locking design of the aviation socket can prevent accidental disconnection, especially when the device is in a vibrating or moving environment, ensuring the continuity and safety of the charging process. By selecting standard or widely recognized aviation socket specifications, it is convenient to use a variety of charging power sources for charging, increasing the flexibility and convenience of the device during field operations, and also facilitating maintenance and replacement of accessories.
[0017] Optionally, a dry battery cover is provided inside the dry battery box.
[0018] The dry battery cover can prevent dust, moisture, and other external impurities from entering the dry battery box, keep the battery contact points clean, reduce the possibility of battery corrosion, thereby extending the battery service life and ensuring the stability of power supply. A reasonably designed dry battery cover is usually easy to open and close, facilitating users to quickly replace dry batteries without complex tools, enhancing the convenience and practicality of the device during field operations.
[0019] Optionally, the main board is connected to a multi-functional antenna and is provided with a wireless module.
[0020] The wireless module enables the collector to exchange data with other devices (such as computers, mobile phones, or remote servers) via Wi-Fi, Bluetooth, or other wireless communication protocols. This not only facilitates real-time data transmission and remote monitoring but also reduces the reliance on wired connections in on-site operations, enhancing flexibility and mobility. The multi-functional antenna design means it can support multiple wireless communication standards or frequency bands. For example, it can be compatible with both 2.4GHz and 5GHz Wi-Fi bands simultaneously or integrate satellite positioning functions such as GPS and GLONASS, which are crucial for field positioning and tracking, time synchronization, and improving the stability and range of data transmission.
[0021] Optionally, the main board is connected to an upper button panel and a lower button panel.
[0022] The design of the upper and lower button panels allows users to directly control the device through physical buttons, enabling easy operation even without an external display or remote control. This is particularly important in field working environments where advanced input methods such as touchscreens may be inconvenient due to environmental conditions (such as rain and dust). Physical buttons are more wear-resistant than touchscreens and are less affected by environmental factors. They can be accurately operated even when wearing gloves, meeting the usage requirements of harsh outdoor environments. At the same time, a good button feedback mechanism also allows users to confirm that the operation has been successfully executed. Compared with graphical interfaces and touchscreens, a simple button operation system usually consumes less power, helping to extend the working time of the device in the field without external power supply.
[0023] Optionally, the display structure is a color liquid crystal.
[0024] Compared with monochrome screens, color liquid crystal screens can display more colors, which means that they can more intuitively and clearly display the collected data, system status, warning information, etc. For example, different biological sound signal intensities, battery power levels, or system alarm states can be distinguished by different colors, enabling users to clearly understand the working conditions and collection results of the device at a glance.
[0025] Optionally, the housing is made of high-strength plastic.
[0026] The housing is made of lightweight but strong high-strength plastic to ensure that the instrument can operate normally in harsh environments.
[0027] Beneficial effects
[0028] Adopting the technical solution provided by the present utility model, compared with the prior art, it has the following beneficial effects:
[0029] In the technical solution provided by the present utility model, the components inside the electrical box are arranged in the order of functions (photovoltaic controller → rechargeable battery → analog board → main board → display structure). This layout is beneficial to the heat dissipation management and maintenance upgrade of the system. Each module is relatively independent, facilitating fault troubleshooting and replacement.
[0030] The analog board is connected to multiple XLR sockets, indicating that this acquisition instrument can simultaneously record sounds from different directions or multiple biological individuals, which is extremely important for researching biodiversity, community communication, species localization, etc., greatly improving the comprehensiveness of data collection and the depth of research. BRIEF DESCRIPTION OF THE DRAWINGS
[0031] Figure 1 is a top view of a multi-channel bioacoustic acquisition instrument provided by an embodiment of the present utility model;
[0032] Figure 2 is a schematic cross-sectional view of a multi-channel bioacoustic acquisition instrument provided by an embodiment of the present utility model;
[0033] 1. Box body; 2. XLR socket; 3. Aviation socket; 4. Dry battery cover plate; 5. Dry battery box; 6. Dry battery; 7. Multi-functional antenna; 8. Upper key panel; 9. Glass cover plate; 10. Main board housing; 11. Lower key panel; 12. Bottom plate; 13. Photovoltaic controller; 14. Rechargeable battery; 15. Main board support plate; 16. Analog board; 17. Main board body; 18. Colorful liquid crystal; 19. Sealing strip. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0034] To further understand the content of the present utility model, the present utility model will be described in detail in combination with the drawings and embodiments.
[0035] Embodiment
[0036] Combined with the attached Figure 1 , a multi-channel bioacoustic acquisition instrument includes a box body 1. The box body 1 includes an electrical box and a dry battery box 5. The box body 1 is provided with an opening. The electrical box and the dry battery box 5 are arranged side by side left and right, and can be separated by a partition in the middle. The bottom of the box body 1 is provided with a bottom plate 12. The XLR socket 2, the aviation socket 3, the multi-functional antenna 7, and the bottom plate 12 are fixed inside the box body 1. The photovoltaic controller 13, the rechargeable battery 14, and the dry battery box 5 are fixed on the bottom plate 12. The main board support plate 15 is fixed on the bottom plate 12 using copper posts. The analog board 16 is fixed on the main board support plate 15 using copper posts. The main board body 17 is fixed on the analog board 16 using copper posts and pin headers, and the colorful liquid crystal 18 is fixed on the main board body 17. The main board housing 10 is fixed on the main board body 17 using copper posts. The upper key panel 8, the glass cover plate 9, and the lower key panel 11 are fixed at the corresponding positions of the main board housing 10. The dry battery 6 is installed in the dry battery box 5, the dry battery cover plate 4 is covered, and fixed using hand-tightened screws.
[0037] The housing 1 is made of high-strength plastic. It can be made of fiberglass-reinforced plastic (FRP), which combines the corrosion resistance of plastic and the high strength of fiberglass, and is suitable for making the outer shells of field equipment, guardrails, etc.; it can also be made of polycarbonate (PC), which has strong impact resistance, high transparency, and certain weather resistance and corrosion resistance, and is suitable for making goggles, outdoor lamp housings, etc.
[0038] At the opening of the housing 1, there is a lid hinged on one side. A sealing strip 19 is provided at the edge of the lid or the edge of the opening. Through holes are provided at the corresponding positions on the edges of the lid and the housing 1, and the two through holes can be fastened by screws or bolts. The hinged lid can be tightly closed when not in use, effectively preventing dust, moisture, rainwater or other external factors from entering the housing 1, and protecting the sensitive electronic components in the electrical box and the dry battery box 5 from damage. The sealing strip 19 can effectively block rainwater, dust and other small particles from entering the interior of the housing 1, protecting the internal circuit and electronic components from moisture and pollution, which is particularly important for equipment deployed outdoors for a long time.
[0039] The main board includes a main board body 17, a main board support plate 15 and a main board housing 10. The main board support plate 15 is structurally connected to the main board body 17 and the rechargeable battery 14, and the main board housing 10 covers the main board body 17.
[0040] There is a main board in the electrical box. The analog board 16 is connected with a plurality of XLR sockets 2. In this embodiment, the XLR socket 2 can be connected to at most four preamplifiers and microphones. The instrument has a 48V phantom power supply function, can support balanced-to-unbalanced input, can record with multiple microphones simultaneously, accurately locate the sound source type and position, and capture sounds accurately in all directions. An instrument with a 48V phantom power supply function usually refers to audio equipment such as a mixer, an audio interface or a professional recording device, which can provide the necessary DC voltage (i.e., 48V phantom power) for a condenser microphone, which is necessary for the normal operation of the condenser microphone. This function ensures that even when connecting multiple condenser microphones, each microphone can obtain a stable power supply, thus ensuring the recording quality. The device supports a variety of sampling frequencies and can be used for collecting sounds emitted by land animals, birds, insects, and bats, fully covering the full frequency bands of infrasound, audible sound, and ultrasound. At the same time, the instrument has multiple sampling frequencies that can be set, and the highest supports 192000Hz. It supports three parallel frequency weightings of A, C, and Z. It also supports a variety of recording start modes, such as timed recording, equally spaced recording, trigger recording, etc., to meet different research needs. The recording data is saved in the TF card, and the TF card can be conveniently removed and inserted into a computer or a mobile device to transfer data. A socket cover is provided outside the XLR socket 2 for dust and water protection.
[0041] The rechargeable battery 14 is connected to an aviation socket 3. The aviation socket 3 is located outside the box body 1 on the side of the dry battery box 5.
[0042] A dry battery cover plate 4 is provided in the dry battery box 5 and is fixed by screws.
[0043] The main board is connected to a multi-functional antenna 7 and is provided with a wireless module. The instrument has a variety of data transmission functions and can transmit the recorded data to a computer, a cloud server or a mobile device in real time in a wireless manner such as 4G, Wi-Fi, etc., which is convenient for researchers to view and analyze at any time. It can also transmit the data to the computer in a wired manner such as USB, serial port, etc. It has a built-in GNSS function to accurately locate and record the geographical location of the sound.
[0044] The main board is connected to an upper button panel 8 and a lower button panel 11. The upper button panel 8 is provided with power-on, power-off, lighting, and delete buttons, and the lower button panel 11 is provided with up, down, left, and right selection buttons and return, plus, minus, etc. buttons.
[0045] The display structure is a colorful liquid crystal 18.
[0046] Combined with the attached Figure 2 , the electrical box includes a photovoltaic controller 13, a rechargeable battery 14, an analog board 16, a main board, and a display structure sequentially arranged in the direction of the opening. The photovoltaic controller 13, the rechargeable battery 14, the analog board 16, and the display structure are all electrically connected to the main board. The main board housing 10, the main board body 17, the analog board 16, the main board support plate 15, and the bottom plate 12 adopt a laminated assembly method, which is convenient for assembly and maintenance. In this embodiment, the top of the box body 1 is open, and the photovoltaic controller 13, the rechargeable battery 14, the analog board 16, the main board, and the display structure are arranged from bottom to top. When assembling, the components can be easily placed one by one, improving the assembly efficiency. Disassembly during maintenance is also equally efficient and convenient.
[0047] The above schematically describes the present invention and its embodiments. This description is not restrictive. What is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if those of ordinary skill in the art are inspired by it and design similar structural modes and embodiments without creative efforts without departing from the purpose of the present invention, they shall fall within the protection scope of the present invention.
Claims
1. A multi-channel bioacoustic acquisition device, characterized in that, including a box body, including an electrical box and a dry battery box, the box body being provided with an opening; the electrical box, including a photovoltaic controller, a rechargeable battery, a simulation board, a main board and a display structure sequentially arranged in the direction towards the opening, the photovoltaic controller, the rechargeable battery, the simulation board and the display structure all being electrically connected to the main board, and the simulation board being connected with a plurality of XLR sockets.
2. The multi-channel bioacoustic collector according to claim 1, characterized in that, A lid hinged on one side is provided at the opening of the box body.
3. The multi-channel bioacoustic collector according to claim 2, characterized in that, A sealing strip is provided at the edge of the lid or the edge of the opening.
4. The multi-channel bioacoustic collector according to claim 1, characterized in that, The main board includes a main board body, a main board support plate and a main board housing, the main board support plate connecting the main board body and the rechargeable battery, and the main board housing covering the main board body.
5. The multi-channel bioacoustic acquisition device according to claim 1, wherein, The rechargeable battery is connected with an aviation socket.
6. The multi-channel bioacoustic collector according to claim 1, wherein A dry battery cover plate is provided in the dry battery box.
7. The multi-channel bioacoustic collector according to claim 1, characterized in that The main board is connected with a multi-functional antenna and is provided with a wireless module.
8. The multi-channel bioacoustic collector according to claim 1, wherein, The main board is connected with an upper key panel and a lower key panel.
9. The multi-channel bioacoustic collector according to claim 1, characterized in that, The display structure is a color liquid crystal.
10. A multi-channel bioacoustic collector according to any one of claims 1 to 9, characterized in that, The box body is made of high-strength plastic.