Mining acousto-optic voice alarm device

Abstract

The utility model discloses a mining acousto-optic voice alarm device, belongs to the technical field of mining safety equipment, and solves the problems that a traditional alarm device is single in function and cannot meet the requirements of warning, lighting and voice alarm at the same time. Comprising a shell, a circuit board, a light guide plate and a warning poster plate. A constant white light LED lamp strip and an alarm flickering LED lamp strip are arranged in the shell, and the light guide plate converts a point light source into an area light source to achieve the lighting function. The circuit board comprises a main control module, a sensor circuit, an alarm control circuit, a power supply module and a voice power amplifier circuit, and the main control module controls the alarm flicker LED lamp strip and the voice chip according to a sensor signal to realize sound-light alarm linkage; the device has the functions of warning, lighting and intelligent voice alarm, is suitable for dangerous environments such as mines, and effectively improves the safety protection capability.

Description

Technical Field

[0001] This utility model belongs to the technical field of mining safety equipment and relates to a mining sound and light voice alarm device. Background Technology

[0002] In hazardous working environments such as mines, timely and effective safety warnings and alarms are crucial for ensuring personnel safety. Traditional alarm devices are typically single-function, offering only basic audible and visual alarms, failing to simultaneously meet the needs for warning, lighting, and voice prompts. Furthermore, existing devices have low protection levels, making them ill-suited to the complex and harsh environmental conditions within mines. While some alarm devices possess voice functionality, they lack intelligent signal recognition and response mechanisms, failing to provide targeted alarm prompts based on different hazard signals (such as personnel approaching or gas leaks). Therefore, there is an urgent need for a mining device that integrates warning, lighting, and intelligent voice alarms to enhance the safety and emergency response capabilities of mine operations. Utility Model Content

[0003] The technical solution of this utility model is used to solve the problem that traditional alarm devices have limited functions and cannot simultaneously meet the needs of warning, lighting and voice alarm.

[0004] This utility model solves the above-mentioned technical problems through the following technical solution:

[0005] This utility model provides a mining sound and light alarm device, comprising: a housing, a circuit board, a light guide plate, and a warning poster board; the housing has a rectangular cavity in the middle; the light guide plate covers the rectangular cavity, the warning poster board is placed above the light guide plate, a constant white LED light strip is arranged on each of the left and right sides inside the rectangular cavity, and an alarm flashing LED light strip is arranged at each of the upper and lower ends inside the housing; the circuit board is fixedly installed inside the housing, and the circuit board is connected to the constant white LED light strip and the alarm flashing LED light strip respectively.

[0006] Furthermore, the circuit board includes: a main control module, a sensor circuit, an alarm control circuit, a power supply module, and a voice amplifier circuit. The main control module is connected to the sensor circuit, the alarm control circuit, and the voice amplifier circuit, respectively, and the power supply module is connected to the main control module, the sensor circuit, the alarm control circuit, and the voice amplifier circuit, respectively.

[0007] Further, the sensor circuit includes: terminal P2, terminal P3, resistors R11, R12, R13, and R14, capacitors C8 and C9, switching transistors Q2 and Q3; terminal P3 has a 1 # Connect the terminal to a +12VDC power supply, and connect terminal P3 to pin 2. #One end of the terminal is connected to one end of resistor R12, and the other end of resistor R12 is connected to the gate of switching transistor Q3. Capacitor C9 is connected in parallel with resistor R14. One common terminal of capacitor C9 and resistor R14 in parallel is connected to the gate of switching transistor Q3, and the other common terminal of capacitor C9 and resistor R14 in parallel is connected to the source of switching transistor Q3 and terminal P3. # The terminal is connected such that the source of switching transistor Q3 is grounded, and the drain of switching transistor Q3 serves as the output terminal of sensing signal IN1; the terminal P2 is connected to the ground terminal. # Connect the terminal to a +12VDC power supply, and connect terminal P2 to pin 2. # One end of the terminal is connected to one end of resistor R11, and the other end of resistor R11 is connected to the gate of switching transistor Q2. Capacitor C8 is connected in parallel with resistor R13. One common terminal of capacitor C8 and resistor R13 in parallel is connected to the gate of switching transistor Q2, and the other common terminal of capacitor C8 and resistor R13 in parallel is connected to the source of switching transistor Q2 and terminal P2. # With terminal connections, the source of switching transistor Q2 is grounded, and the drain of switching transistor Q2 serves as the output terminal of the sensing signal IN2.

[0008] Furthermore, the alarm control circuit includes: resistor R5, resistor R6, switching transistor Q1, capacitor C4, terminal P1, and fuse F2; one end of resistor R5 is connected to terminal 7 of the main control chip U1. # Pin connections: the other end of resistor R5 is connected to the gate of switching transistor Q1; one end of resistor R6 is connected to the gate of switching transistor Q1; the other end of resistor R6 is connected to the source of switching transistor Q1; and the drain of switching transistor Q1 is connected to terminal P1. # Terminal connections: one end of fuse F2 is connected to the +12VDC power supply, and the other end of fuse F2 is connected to terminal P1. # Terminal connection: One end of capacitor C4 is connected to terminal P1 at point 2. # Terminal connections: the other end of capacitor C4 is connected to the source of switching transistor Q1, and the source of switching transistor Q1 is grounded; terminal P1... # Terminals and 2 # The terminal is connected to the alarm flashing LED light strip.

[0009] Furthermore, the power supply module includes: voltage conversion module U2 and voltage conversion module U3; the input terminal of voltage conversion module U2 is connected to a +12VDC power supply to convert the input +12VDC power supply to a +5VDC power supply, and the input terminal of voltage conversion module U3 is connected to a +5VDC power supply to convert the input +5VDC power supply to a +3.3VDC power supply.

[0010] Furthermore, the voice power amplifier circuit includes: a selection switch SW1, a voice chip M1, and an audio power amplifier chip IC1. The input terminal of the selection switch SW1 is connected to the main control chip U1 via resistor R27. # Pin connections: The output of selector switch SW1 is connected to voice chip M1, and voice chip M1 is connected to audio power amplifier chip IC1.

[0011] Furthermore, a hanging lug is provided at the top and bottom ends of the left and right sides of the back plate of the housing.

[0012] Preferably, the main control module uses an STM32F030F4P6 main control chip U1.

[0013] Preferably, the voltage conversion module U2 is model K7805-500R3, and the voltage conversion module U3 is model ME6211C33M5G-N.

[0014] Preferably, the voice chip M1 is model BY8301-16P, and the audio power amplifier chip IC1 is VA2208TSG28.

[0015] The mine-use sound, light, and voice alarm device of this utility model has the following advantages:

[0016] 1) Multifunctional integration: It has warning, lighting and voice alarm functions at the same time, meeting the multiple needs of dangerous environments such as mines.

[0017] 2) High-efficiency light source design: Adopting constant white LED light strips and alarm flashing LED light strips, the light guide plate converts point light sources into uniform surface light sources, improving the lighting and warning effects.

[0018] 3) Modular circuit design: The circuit board integrates the main control module, sensor circuit, alarm control circuit, power supply module and voice power amplifier circuit. The functions are clearly divided, which facilitates maintenance and upgrades.

[0019] 4) Intelligent alarm control: The main control chip intelligently controls the alarm flashing LED strip and voice alarm based on sensor signals (such as people approaching, environmental sensing, gas leakage, etc.), with a rapid and accurate response.

[0020] 5) Transparent warning design: Both the light guide plate and the warning poster board are made of transparent acrylic sheets, which not only ensures the transmission effect of the light source, but also facilitates the display of warning information.

[0021] 6) Flexible voice alarm: The voice amplifier circuit supports multiple alarm audio signal types and can switch alarm voices according to different scenarios to enhance the warning effect.

[0022] 7) Stable and reliable power management: The power module adopts a high-efficiency voltage conversion module to convert the input power into a multi-level stable voltage to ensure stable system operation.

[0023] 8) High protection level: The enclosure has an IP65 protection level, which can effectively prevent dust and water, and is suitable for harsh environments such as mines.

[0024] 9) Easy installation: The back panel of the housing is designed with hanging ears, which facilitates the installation and fixation of the device and adapts to different installation environments.

[0025] In summary, this device combines functionality, safety, and practicality, making it ideal for use in hazardous environments. Attached Figure Description

[0026] Figure 1 This is a front view of the structure of the mine sound and light voice alarm device according to an embodiment of this utility model;

[0027] Figure 2 This is a rear view of the structure of the mine sound and light voice alarm device according to an embodiment of this utility model;

[0028] Figure 3 This is a schematic diagram of the installation of the LED light strip of the mine sound and light alarm device according to an embodiment of this utility model;

[0029] Figure 4 This is a circuit diagram of the main control module of the circuit board of the mine sound and light alarm device according to an embodiment of the present utility model;

[0030] Figure 5 This is a schematic diagram of the sensor circuit of the circuit board of the mine sound and light alarm device according to an embodiment of the present invention;

[0031] Figure 6 This is a schematic diagram of the alarm control circuit of the circuit board of the mine sound and light alarm device according to an embodiment of the present invention;

[0032] Figure 7 This is a circuit diagram of the power module of the circuit board of the mine sound and light alarm device according to an embodiment of the present utility model.

[0033] Figure 8 This is a schematic diagram of the voice amplifier circuit of the circuit board of the mine sound and light alarm device according to an embodiment of this utility model. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below in conjunction with the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0035] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments:

[0036] Example 1

[0037] like Figures 1 to 3 As shown, the mine-use sound and light alarm device of this embodiment includes: a housing 10, a circuit board 11, a light guide plate 12, and a warning poster board 13; the housing 10 has a rectangular cavity 101 in the middle; the light guide plate 12 covers the rectangular cavity 101, and the light guide plate 12 converts the point light source emitted by the constant white LED light strip 20 into a surface light source; the warning poster board 13 is set above the light guide plate 12, and a warning poster is affixed to the warning poster board 13; both the light guide plate 12 and the warning poster board 13 are made of transparent acrylic sheet; the housing 10 has an IP65 protection rating, which is suitable for dangerous environments such as mines.

[0038] like Figure 2 As shown, a hanging ear 103 is provided at the top and bottom ends of the left and right sides of the back plate 102 of the housing 10 to facilitate the installation of the device.

[0039] like Figure 3 As shown, a constant white LED light strip 20 is provided on each of the left and right sides inside the rectangular cavity 101, and an alarm flashing LED light strip 21 is provided at each of the upper and lower ends inside the device housing 10.

[0040] The circuit board 11 is fixedly installed inside the housing 10 (not shown in the figure). The circuit board 11 is connected to the constant white light LED strip 20 and the alarm flashing LED strip 21 respectively. The circuit board 11 is used to supply power to the constant white light LED strip 20 and the alarm flashing LED strip 21, and to control the operation of the alarm flashing LED strip 21 according to the sensor signal.

[0041] like Figures 4 to 8As shown, the circuit board 11 includes: a main control module, a sensor circuit, an alarm control circuit, a power supply module, and a voice amplifier circuit. The main control module is connected to the sensor circuit, the alarm control circuit, and the voice amplifier circuit respectively. The power supply module is connected to the main control module, the sensor circuit, the alarm control circuit, and the voice amplifier circuit respectively, and is used to supply power to the main control module, the sensor circuit, the alarm control circuit, and the voice amplifier circuit.

[0042] like Figure 4 As shown, the main control module uses an STM32F030F4P6 main control chip U1. The main control chip U1 receives the sensing signals IN1 and IN2 sent by the sensor circuit, sends the XZ signal to the voice power amplifier circuit, and sends the L1 signal to the alarm control circuit.

[0043] like Figure 5 As shown, the sensor circuit includes: terminal P2, terminal P3, resistors R11, R12, R13, and R14, capacitors C8 and C9, switching transistors Q2 and Q3; terminal P3 has a 1 # Connect the terminal to a +12VDC power supply, and connect terminal P3 to pin 2. # One end of the terminal is connected to one end of resistor R12, and the other end of resistor R12 is connected to the gate of switching transistor Q3. Capacitor C9 is connected in parallel with resistor R14. One common terminal of capacitor C9 and resistor R14 in parallel is connected to the gate of switching transistor Q3, and the other common terminal of capacitor C9 and resistor R14 in parallel is connected to the source of switching transistor Q3 and terminal P3. # The terminal is connected such that the source of switching transistor Q3 is grounded, and the drain of switching transistor Q3 serves as the output terminal of sensing signal IN1; the terminal P2 is connected to the ground terminal. # Connect the terminal to a +12VDC power supply, and connect terminal P2 to pin 2. # One end of the terminal is connected to one end of resistor R11, and the other end of resistor R11 is connected to the gate of switching transistor Q2. Capacitor C8 is connected in parallel with resistor R13. One common terminal of capacitor C8 and resistor R13 in parallel is connected to the gate of switching transistor Q2, and the other common terminal of capacitor C8 and resistor R13 in parallel is connected to the source of switching transistor Q2 and terminal P2. # The terminal connections are as follows: the source of the switching transistor Q2 is grounded, and the drain of the switching transistor Q2 serves as the output terminal of the sensing signal IN2; the wiring terminals P2 and P3 are used to connect the sensor.

[0044] like Figure 6 As shown, the alarm control circuit includes: resistor R5, resistor R6, switching transistor Q1, capacitor C4, terminal P1, and fuse F2; one end of resistor R5 is connected to terminal 7 of the main control chip U1. #Pin connections: the other end of resistor R5 is connected to the gate of switching transistor Q1; one end of resistor R6 is connected to the gate of switching transistor Q1; the other end of resistor R6 is connected to the source of switching transistor Q1; and the drain of switching transistor Q1 is connected to terminal P1. # Terminal connections: one end of fuse F2 is connected to the +12VDC power supply, and the other end of fuse F2 is connected to terminal P1. # Terminal connection: One end of capacitor C4 is connected to terminal P1 at point 2. # Terminal connections: the other end of capacitor C4 is connected to the source of switching transistor Q1, and the source of switching transistor Q1 is grounded; terminal P1... # Terminals and 2 # The terminal is connected to the alarm flashing LED strip 21 to supply power to the alarm flashing LED strip 21; the main control chip U1 sends an alarm flashing signal L1 to control the switching transistor Q1 to turn on and off according to the signal input from the sensor circuit, thereby controlling the alarm flashing LED strip 21 to work.

[0045] like Figure 7 As shown, the power supply module includes: voltage conversion module U2 and voltage conversion module U3; the input terminal of voltage conversion module U2 is connected to a +12VDC power supply, converting the input +12VDC power supply to a +5VDC power supply; the input terminal of voltage conversion module U3 is connected to a +5VDC power supply, converting the input +5VDC power supply to a +3.3VDC power supply; the model of voltage conversion module U2 is K7805-500R3, and the model of voltage conversion module U3 is ME6211C33M5G-N.

[0046] like Figure 8 As shown, the voice power amplifier circuit includes: a selection switch SW1, a voice chip M1, and an audio power amplifier chip IC1. The input terminal of the selection switch SW1 is connected to the main control chip U1 via resistor R27. # The pin connections are as follows: the output of the selector switch SW1 is connected to the voice chip M1, and the voice chip M1 is connected to the audio power amplifier chip IC1. The main control chip U1 sends different signals XZ according to different signals input from the sensor circuit (such as personnel approach signal, environmental sensing signal, gas leak signal, etc.), controls the selector switch SW1, thereby controlling the voice chip M1 to output different alarm audio signal types. After the alarm audio signal is amplified by the audio power amplifier chip IC1, it is output by the buzzer to sound an alarm.

[0047] Preferably, the voice chip M1 is model BY8301-16P, and the audio power amplifier chip IC1 is VA2208TSG28.

[0048] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A mine-use audible, visual, and voice alarm device, characterized in that, include: The device comprises a housing (10), a circuit board (11), a light guide plate (12), and a warning poster board (13). The housing (10) has a rectangular cavity (101) in the middle. The light guide plate (12) covers the rectangular cavity (101), and the warning poster board (13) is set above the light guide plate (12). A constant white LED light strip (20) is set on each of the left and right sides inside the rectangular cavity (101), and an alarm flashing LED light strip (21) is set on each of the upper and lower ends inside the housing (10). The circuit board (11) is fixedly installed inside the housing (10), and the circuit board (11) is connected to the constant white LED light strip (20) and the alarm flashing LED light strip (21) respectively.

2. The mine-use audible and visual alarm device according to claim 1, characterized in that, The circuit board (11) includes: a main control module, a sensor circuit, an alarm control circuit, a power supply module, and a voice power amplifier circuit. The main control module is connected to the sensor circuit, the alarm control circuit, and the voice power amplifier circuit, respectively. The power supply module is connected to the main control module, the sensor circuit, the alarm control circuit, and the voice power amplifier circuit, respectively.

3. The mine-use audible and visual alarm device according to claim 2, characterized in that, The sensor circuit includes: terminal P2, terminal P3, resistors R11, R12, R13, and R14, capacitors C8 and C9, and switching transistors Q2 and Q3; terminal P3 has a 1 # Connect the terminal to a +12VDC power supply, and connect terminal P3 to pin 2. # One end of the terminal is connected to one end of resistor R12, and the other end of resistor R12 is connected to the gate of switching transistor Q3. Capacitor C9 is connected in parallel with resistor R14. One common terminal of capacitor C9 and resistor R14 in parallel is connected to the gate of switching transistor Q3, and the other common terminal of capacitor C9 and resistor R14 in parallel is connected to the source of switching transistor Q3 and terminal P3. # The terminal is connected such that the source of switching transistor Q3 is grounded, and the drain of switching transistor Q3 serves as the output terminal of sensing signal IN1; the terminal P2 is connected to the ground terminal. # Connect the terminal to a +12VDC power supply, and connect terminal P2 to pin 2. # One end of the terminal is connected to one end of resistor R11, and the other end of resistor R11 is connected to the gate of switching transistor Q2. Capacitor C8 is connected in parallel with resistor R13. One common terminal of capacitor C8 and resistor R13 in parallel is connected to the gate of switching transistor Q2, and the other common terminal of capacitor C8 and resistor R13 in parallel is connected to the source of switching transistor Q2 and terminal P2. # With terminal connections, the source of switching transistor Q2 is grounded, and the drain of switching transistor Q2 serves as the output terminal of the sensing signal IN2.

4. The mine-use audible and visual alarm device according to claim 2, characterized in that, The alarm control circuit includes: resistor R5, resistor R6, switching transistor Q1, capacitor C4, terminal P1, and fuse F2; one end of resistor R5 is connected to terminal 7 of the main control chip U1. # Pin connections: the other end of resistor R5 is connected to the gate of switching transistor Q1; one end of resistor R6 is connected to the gate of switching transistor Q1; the other end of resistor R6 is connected to the source of switching transistor Q1; and the drain of switching transistor Q1 is connected to terminal P1. # Terminal connections: one end of fuse F2 is connected to the +12VDC power supply, and the other end of fuse F2 is connected to terminal P1. # Terminal connection: One end of capacitor C4 is connected to terminal P1 at point 2. # Terminal connections: the other end of capacitor C4 is connected to the source of switching transistor Q1, and the source of switching transistor Q1 is grounded; terminal P1... # Terminals and 2 # The terminal is connected to the alarm flashing LED strip (21).

5. The mine-use audible and visual alarm device according to claim 2, characterized in that, The power supply module includes: voltage conversion module U2 and voltage conversion module U3; the input terminal of voltage conversion module U2 is connected to a +12VDC power supply and converts the input +12VDC power supply to a +5VDC power supply; the input terminal of voltage conversion module U3 is connected to a +5VDC power supply and converts the input +5VDC power supply to a +3.3VDC power supply.

6. The mine-use audible and visual alarm device according to claim 2, characterized in that, The aforementioned voice power amplifier circuit includes: a selection switch SW1, a voice chip M1, and an audio power amplifier chip IC1. The input terminal of the selection switch SW1 is connected to the main control chip U1 via a resistor R27. # Pin connections: The output of selector switch SW1 is connected to voice chip M1, and voice chip M1 is connected to audio power amplifier chip IC1.

7. The mine-use audible and visual alarm device according to claim 1, characterized in that, The back plate (102) of the housing (10) is provided with a hanging ear (103) at the top and bottom ends on the left and right sides.

8. The mine-use audible and visual alarm device according to claim 2, characterized in that, The main control module uses an STM32F030F4P6 main control chip U1.

9. The mine-use audible and visual alarm device according to claim 5, characterized in that, The voltage conversion module U2 is model K7805-500R3, and the voltage conversion module U3 is model ME6211C33M5G-N.

10. The mine-use audible and visual alarm device according to claim 6, characterized in that, The voice chip M1 is model BY8301-16P, and the audio power amplifier chip IC1 is VA2208TSG28.

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