CN214752193U - Safety monitoring and alarming device in cabin - Google Patents

Safety monitoring and alarming device in cabin Download PDF

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Publication number
CN214752193U
CN214752193U CN202120982574.9U CN202120982574U CN214752193U CN 214752193 U CN214752193 U CN 214752193U CN 202120982574 U CN202120982574 U CN 202120982574U CN 214752193 U CN214752193 U CN 214752193U
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China
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resistor
data
cabin
sensor
triode
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CN202120982574.9U
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Chinese (zh)
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初秀民
马玉鹏
郑茂
祝添权
田国昊
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Abstract

The utility model relates to a safety monitoring and alarming device in a cabin, which comprises a data collector, a first data transmitter, an information terminal and an alarm, wherein the data collector, the first data transmitter, the information terminal and the alarm are arranged in the cabin; the data acquisition unit comprises a temperature and humidity sensor, a gas sensor, a flame sensor, a signal amplifier, an analog-to-digital converter and a data processing chip; the information terminal comprises a first data receiver, a second data transmitter and a control chip; the alarm comprises a second data receiver and a buzzer; the first data transmitter is connected with the first data receiver and the second data transmitter through the Bluetooth module; the first data receiver is connected with the control chip, the control chip is connected with the communication module, and the communication module is connected with the shore-based terminal through a 4G/5G network to realize the warning of the shore-based warning condition; the second data transmitter is connected with the second data receiver, and the second data receiver is connected with the buzzer, so that the warning condition in the cabin is informed. The utility model discloses a bank base-boats and ships dual warning, ensure the accuracy reliable of monitoring warning.

Description

Safety monitoring and alarming device in cabin
Technical Field
The utility model relates to a boats and ships safety technical field, concretely relates to cabin interior safety monitoring and alarm device.
Background
With the global economy integration, ocean shipping is becoming an increasingly linked link between countries throughout the world. In the navigation of ships, the safety problem in the cabin always draws wide attention, and particularly in the ocean navigation, the safety problem of a living area relates to the life safety of seamen and has great influence on the smooth navigation of the ships, so that the safety in the cabin is more and more concerned by people. In the past, people only adopt conventional checks for the safety in a cabin, such as: manual inspection, electromagnetic float type liquid level detectors and the like are generally judged based on experience and independent equipment data, so that hidden dangers are eliminated, and the inspection mode is lack of accuracy and comprehensiveness. The safety monitoring device based on the wireless communication system proposed recently is widely used due to comprehensive monitoring performance, but feedback is delayed due to the fact that the judgment mode is shore-based judgment, and personnel and environment change continuously in the process, so that the monitoring result shows a low return trend, and the reliability is low in a complex and variable offshore environment.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing a cabin interior safety monitoring and alarm device to the not enough of above-mentioned prior art existence, it can automatic acquisition cabin interior harmful gas information, temperature/humidity information, fire source information and realize bank base-boats and ships dual warning.
The utility model discloses a solve the technical scheme that technical problem that the aforesaid provided adopted and be:
a safety monitoring and alarming device in a cabin comprises a data collector, a first data transmitter, an information terminal, an alarm and a communication module, wherein the data collector, the first data transmitter, the information terminal, the alarm and the communication module are arranged in the cabin;
the data acquisition unit comprises a temperature and humidity sensor, a gas sensor, a flame sensor, a signal amplifier, an analog-to-digital converter and a data processing chip; the information terminal comprises a first data receiver, a second data transmitter and a control chip; the alarm comprises a second data receiver and a buzzer;
the temperature and humidity sensor, the gas sensor and the flame sensor are all connected with an analog-to-digital converter through the signal amplifier, the analog-to-digital converter is connected with a data processing chip, and the data processing chip is connected with the first data transmitter; the first data transmitter is respectively connected with the first data receiver and the second data transmitter through a Bluetooth module; the output end of the first data receiver is connected with a control chip, the control chip is connected with a communication module, and the communication module is connected with a shore-based terminal through a 4G/5G network to realize the warning of the shore-based warning; the second data transmitter is connected with the second data receiver, and the second data receiver is connected with the buzzer, so that the warning condition in the cabin is informed.
In the above scheme, the information terminal further includes a memory and a display, and the memory and the display are respectively connected to the control chip.
In the above scheme, the temperature and humidity sensor adopts a DHT11 temperature and humidity module.
In the above scheme, the gas sensor employs an MQ gas sensor.
In the scheme, the flame sensor adopts an YL-38 flame sensor.
In the scheme, the flame sensor is divided into a four-wire system interface, and the four-wire system interface is respectively a VCC interface, a GND interface, a DO interface and an AO interface; the VCC interface is externally connected with 3.3V-5V voltage, the GND interface is externally connected with GND, DO is a platelet digital output interface, and AO is a platelet analog output interface; after the flame sensors are arranged, the serial port sends data baud rate, and the module is started; when the ambient flame spectrum exceeds a threshold value, the serial port continuously sends 0/1 signals, and meanwhile, the switch indicator light is on; when the ambient flame spectrum does not exceed the threshold value, the serial port does not send data, and the switch indicator lamp is powered on.
In the above scheme, the flame sensor comprises a temperature measurement comparison circuit and a sensor display circuit; among the temperature measurement comparison circuit, VCC analog signal power passes through resistance R1 and links to each other with infrared emission pipe, via infrared emission pipe ground connection, electric capacity C2 links to each other with resistance R1, other end ground connection, two voltage comparator integrated circuit LM393 connect the electricity through right side VCC analog signal power and start, through 3 interface signal inputs in the left side, carry out the temperature comparison, two voltage comparator integrated circuit LM393 are by 4 port ground connections, right side VCC analog signal power links to each other ground with electric capacity C1.
In the scheme, in the sensor display circuit, a VCC power supply is connected with a power supply indicator D1, the other end of the power supply indicator D1 is connected with a resistor R3, and a resistor R3 is connected with an access output end and is connected with a measuring device P1; the VCC power supply is connected with a switch indicator D2, the other end of the switch indicator D2 is connected with a resistor R4 and is connected with a signal output port of measuring equipment P1, meanwhile, the resistor R5 is connected with a signal output port of the measuring equipment P1, and the resistor R2 is grounded.
In the above scheme, the signal amplifier includes a first triode Q1, a second triode Q2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, a second capacitor C2, a third capacitor C3, and a fourth capacitor C4;
a collector of the first triode Q1 is connected to one ends of a fourth resistor R4 and a seventh resistor R7 through a third resistor R3, the other end R4 of the fourth resistor is grounded, and the other end R7 is connected to an emitter of a second triode Q2; the base electrode of the first triode Q1 is connected with the collector electrode of the second triode Q2; the emitter of the first triode Q1 is connected with the fourth capacitor C4;
the collector of the second triode Q2 is also connected to one end of a second resistor R2, the emitter of the second triode Q2 is grounded through a seventh resistor R7 and a fourth resistor R4, and the base of the second triode Q2 is connected with a resistor R6 and is grounded through a second capacitor C2.
In the above scheme, two ends of the third capacitor C3 are respectively connected with the first resistor R1 and the fifth resistor R5; one end of the first resistor R1 is connected to the positive electrode of the power supply, and is grounded through the second capacitor C2 at the other end.
The beneficial effects of the utility model reside in that:
1. the utility model provides an in-cabin safety monitoring and alarm device can fast reaction under-deck environment transform, detects conflagration and other hidden dangers and reminds the under-deck personnel to take measures through the alarm to inform the bank base terminal through the 4G 5G network with the condition. The device adopts shore-based-ship dual alarm, ensures the accuracy and reliability of monitoring alarm, has simple structure and strong practicability.
2. The utility model provides an in-cabin safety monitoring and alarm device can automatic acquisition under-deck harmful gas data, humiture data and fire source information. Wherein, monitoring harmful gas is based on gas sensitive material SnO of MQ gas sensor2The (stannic oxide) has the characteristic of lower conductivity to the clean air, converts the concentration of harmful gas into a corresponding output signal, and excites a buzzer alarm; temperature/humidity data monitoring is carried out on the basis of a DHT11 temperature and humidity module, the temperature control range is 40-80 ℃, the adaptability is strong, a special digital module acquisition technology and a temperature and humidity sensing technology are applied, an NTC temperature measuring element is contained, and the temperature and humidity sensor is connected with a high-performance 8-bit single chip microcomputer by the NTC temperature measuring element; for monitoring fire hazard, a YL-38 flame sensor is used for monitoring a light source in a range of 760 nm-1100 nm, the flame spectrum is particularly sensitive, and the sensor can be triggered in a half-meter range through flame testing of a lighter. Through synthesizing above three kinds of sensor information sources, monitor cabin internal environment safety, need not to pay out any amount of labour in this process, the system response is rapid, can play positive early warning effect to the data precision that obtains is higher.
3. The utility model discloses a signal amplifier can correspond temperature and humidity sensor, gas sensor, three kinds of sensors of flame sensor, realizes that many signal fits and enlargies, has saved the expense of laying new circuit.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a block diagram of the overall structure of the safety monitoring and alarming device in the cabin of the present invention;
FIG. 2 is a schematic diagram of shore-based communications of the present invention;
FIG. 3 is a circuit diagram of the flame sensor of the present invention;
fig. 4 is a circuit diagram of the signal amplifier of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, for the embodiment of the utility model provides a pair of safety monitoring and alarm device in cabin, including setting up data collection station, first data transmitter, information terminal, alarm and the communication module in the cabin.
The data acquisition unit comprises a temperature and humidity sensor, a gas sensor, a flame sensor, a signal amplifier, an analog-to-digital converter and a data processing chip. The information terminal comprises a first data receiver, a second data transmitter, a control chip, a memory and a display. The alarm comprises a second data receiver and a buzzer.
The temperature and humidity sensor, the gas sensor and the flame sensor are all connected with the analog-to-digital converter through the signal amplifier, the analog-to-digital converter is connected with the data processing chip, and the data processing chip is connected with the first data transmitter.
The signal amplifier amplifies the transmitted temperature/humidity signal, the harmful gas content signal and the fire source data signal, and the analog-to-digital converter performs analog-to-digital conversion on the amplified temperature/humidity signal, the amplified harmful gas content signal and the amplified fire source data signal to obtain temperature/humidity data, harmful gas content data and fire source data in the cabin. The data processing chip processes the temperature/humidity signal, the harmful gas signal and the fire source signal to obtain temperature/humidity data, harmful gas content data and fire source data, and sends the data to the information terminal through local oscillation, wherein the information terminal can select a computer or a mobile phone.
First data transmitter passes through bluetooth module and is connected with first data receiver, and first data receiver's output is connected with control chip, and first data receiver is used for receiving temperature/humidity data, harmful gas content data, the fire source data that first data transmitter launches, with data transfer to control chip, and control chip will synthesize temperature/humidity data, harmful gas content data, flame spectrum data and judge whether take place danger in the cabin. The control chip is connected with the communication module, and the communication module is connected with the shore-based terminal through a 4G/5G network, so that the shore-based warning is realized. The memory and the display are respectively connected with the control chip, and the memory is used for storing historical temperature/humidity information, harmful gas information and fire source information. The display is used for displaying current temperature/humidity information, harmful gas information and fire source information.
As shown in fig. 2, the control chip realizes 4G/5G network transmission through the embedded 4G/5G full network communication module, informs the shore base station of alarm information, and realizes shore-based-ship dual alarm. In the mode, the control chip sends 4G/5G data to the base station server through the communication module, the base station transfers the TCPO data to the network cloud end and finally reaches the designated shore-based TCP server of the network, and a worker can inquire the condition of the ship in danger at any time and make emergency feedback. The communication module can also be used for receiving data from the shore-based server and forwarding the information to the serial port equipment. The user does not need to pay attention to the data conversion process between the serial port data and the network data packet, and transparent data communication between the serial port equipment and the network server can be realized only through simple parameter setting.
Continuing to refer to fig. 1, first data transmitter still passes through bluetooth module and is connected with second data transmitter, and second data transmitter is connected with second data receiver, and second data receiver is connected with bee calling organ, realizes that the inboard warning condition informs. The three sensor receiving ends receive data from the cabin, the data are compared with preset limit data in the cabin, if the obtained data are higher than the preset data in the cabin, data signals are transmitted to the second data transmitter through the Bluetooth module, the second data transmitter transmits the data signals, and the alarm in the cabin receives the data signals and sends out buzzing sound to indicate warning.
Further optimize, in this embodiment, the temperature and humidity sensor adopts a DHT11 temperature and humidity module.
Further preferably, in the present embodiment, the gas sensor employs an MQ gas sensor.
Further preferably, in the embodiment, the flame sensor is an YL-38 flame sensor. As shown in fig. 3, the flame sensor is divided into four-wire interfaces, which are respectively a VCC interface, a GND interface, a DO interface, and an AO interface. The VCC interface is externally connected with 3.3V-5V voltage (single chip microcomputer), the GND interface is externally connected with GND, DO is a small plate digital quantity output interface (signal form 0 and 1), and AO is a small plate analog quantity output interface. After the flame sensor is arranged, the serial port sends the data baud rate, and the module is started. When the ambient flame spectrum exceeds the threshold value, the serial port continuously sends 0/1 signals, and the switch indicator light is on. When the ambient flame spectrum does not exceed the threshold value, the serial port does not send data, and the switch indicator lamp is powered on.
The upper part of fig. 3 is a temperature measurement comparison circuit, and the lower part is a sensor display circuit. As shown in the temperature measurement comparison circuit, the VCC analog signal power supply is connected to the infrared transmitting tube through a 10k resistor R1 and is grounded via the infrared transmitting tube. The capacitor C2 is connected to the 10k resistor R1, the other terminal of which is connected to ground. The dual voltage comparator integrated circuit LM393 is powered on and started by a right VCC analog signal power supply, and is input through a left 3 interface signal for temperature comparison. Dual voltage comparator integrated circuit LM393 is grounded by the 4-port. The right VCC analog signal supply is connected to capacitor C1.
As shown in the sensor display circuit, the VCC power-on indication D1, the other end of D1 is connected with the resistor R3, and the R3 access output end is connected with the measuring equipment P1. The VCC power supply is connected with a switch indicator D2, the other end of the switch indicator D2 is connected with a resistor R4 and is connected with a signal output port of measuring equipment P1, meanwhile, the resistor R5 is connected with a signal output port of the measuring equipment P1, and the resistor R2 is grounded.
Further, as shown in fig. 4, the signal amplifier includes a first transistor Q1, a second transistor Q2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, a second capacitor C2, a third capacitor C3, and a fourth capacitor C4.
A collector of the first triode Q1 is connected to one ends of a fourth resistor R4 and a seventh resistor R7 through a third resistor R3, the fourth resistor R4 is grounded, and the other end of the seventh resistor R7 is connected to an emitter of a second triode Q2; the base electrode of the first triode Q1 is connected with the collector electrode of the second triode Q2; the emitter of the first transistor Q1 is connected to a fourth capacitor C4.
The collector of the second triode Q2 is connected to one end of the second resistor R2, the collector of the second triode Q2 is connected to the base of the first triode Q1, the emitter of the second triode Q2 is grounded through the seventh resistor R7 and the fourth resistor R4, and the base of the second triode Q2 is connected to the resistor R6 and is grounded through the second capacitor C2.
The third capacitor C3 is connected to the first resistor R1 and the fifth resistor R5, one end of the first resistor R1 is connected to the positive electrode of the power supply, and the second capacitor C2 is grounded through the other end.
The signal amplifier can correspond to three types of sensors, namely a temperature and humidity sensor, a gas sensor and a flame sensor, so that multi-signal fitting amplification is realized, and the cost for laying a new line is saved.
The utility model provides an in-cabin safety monitoring and alarm device can fast reaction under-deck environment transform, detects conflagration and other hidden dangers and reminds the under-deck personnel to take measures through the alarm to inform the bank base terminal through the 4G 5G network with the condition. The device adopts shore-based-ship dual alarm, ensures the accuracy and reliability of monitoring alarm, has simple structure and strong practicability.
The utility model provides an in-cabin safety monitoring and alarm device can automatic acquisition under-deck harmful gas data, humiture data and fire source information. Wherein, monitoring harmful gas is based on gas sensitive material SnO of MQ gas sensor2(II)Tin oxide) has lower conductivity to clean air, converts the concentration of harmful gas into corresponding output signals, and excites a buzzer alarm; temperature/humidity data monitoring is carried out on the basis of a DHT11 temperature and humidity module, the temperature control range is 40-80 ℃, the adaptability is strong, a special digital module acquisition technology and a temperature and humidity sensing technology are applied, an NTC temperature measuring element is contained, and the temperature and humidity sensor is connected with a high-performance 8-bit single chip microcomputer by the NTC temperature measuring element; for monitoring fire hazard, a YL-38 flame sensor is used for monitoring a light source in a range of 760 nm-1100 nm, the flame spectrum is particularly sensitive, and the sensor can be triggered in a half-meter range through flame testing of a lighter. Through synthesizing above three kinds of sensor information sources, monitor cabin internal environment safety, need not to pay out any amount of labour in this process, the system response is rapid, can play positive early warning effect to the data precision that obtains is higher.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims (10)

1. A safety monitoring and alarming device in a cabin is characterized by comprising a data collector, a first data transmitter, an information terminal, an alarm and a communication module, wherein the data collector, the first data transmitter, the information terminal, the alarm and the communication module are arranged in the cabin;
the data acquisition unit comprises a temperature and humidity sensor, a gas sensor, a flame sensor, a signal amplifier, an analog-to-digital converter and a data processing chip; the information terminal comprises a first data receiver, a second data transmitter and a control chip; the alarm comprises a second data receiver and a buzzer;
the temperature and humidity sensor, the gas sensor and the flame sensor are all connected with an analog-to-digital converter through the signal amplifier, the analog-to-digital converter is connected with a data processing chip, and the data processing chip is connected with the first data transmitter; the first data transmitter is respectively connected with the first data receiver and the second data transmitter through a Bluetooth module; the output end of the first data receiver is connected with a control chip, the control chip is connected with a communication module, and the communication module is connected with a shore-based terminal through a 4G/5G network to realize the warning of the shore-based warning; the second data transmitter is connected with the second data receiver, and the second data receiver is connected with the buzzer, so that the warning condition in the cabin is informed.
2. The cabin interior safety monitoring and alarming device of claim 1, wherein the information terminal further comprises a memory and a display, and the memory and the display are respectively connected with the control chip.
3. The cabin interior safety monitoring and warning device of claim 1, wherein the temperature and humidity sensor is a DHT11 temperature and humidity module.
4. The in-cabin security monitoring and warning device of claim 1, wherein the gas sensor employs an MQ gas sensor.
5. The cabin interior safety monitoring and warning device of claim 1, wherein the flame sensor is an YL-38 flame sensor.
6. The cabin interior safety monitoring and alarm device of claim 5, wherein the flame sensor is divided into four-wire system interfaces, the four-wire system interfaces are a VCC interface, a GND interface, a DO interface and an AO interface respectively; the VCC interface is externally connected with 3.3V-5V voltage, the GND interface is externally connected with GND, DO is a platelet digital output interface, and AO is a platelet analog output interface; after the flame sensors are arranged, the serial port sends data baud rate, and the module is started; when the ambient flame spectrum exceeds a threshold value, the serial port continuously sends 0/1 signals, and meanwhile, the switch indicator light is on; when the ambient flame spectrum does not exceed the threshold value, the serial port does not send data, and the switch indicator lamp is powered on.
7. The in-cabin safety monitoring and warning device of claim 6, wherein the flame sensor comprises a temperature measurement comparison circuit and a sensor display circuit; among the temperature measurement comparison circuit, VCC analog signal power passes through resistance (R1) and links to each other with infrared emission pipe, via infrared emission pipe ground connection, electric capacity (C2) link to each other with resistance (R1), the other end ground connection, two voltage comparator integrated circuit LM393 connect the electric start through right side VCC analog signal power, through the 3 interface signal inputs in left side, carry out the temperature comparison, two voltage comparator integrated circuit LM393 are by 4 port ground connections, right side VCC analog signal power links to each other ground with electric capacity (C1).
8. The cabin interior safety monitoring and warning device according to claim 7, wherein in the sensor display circuit, VCC power is connected to a power indicator (D1), the other end of the power indicator (D1) is connected with a resistor (R3), and a resistor (R3) is connected with a measuring device (P1) in an access output end; the VCC power supply is connected with a switch indicator (D2), the other end of the switch indicator (D2) is connected with a resistor (R4) and is connected with a signal output port of measuring equipment (P1), meanwhile, the resistor (R5) is connected with a signal output port of the measuring equipment (P1), and the resistor (R2) is grounded.
9. The cabin interior safety monitoring and alarming device of claim 1, wherein the signal amplifier comprises a first triode (Q1), a second triode (Q2), a first resistor (R1), a second resistor (R2), a third resistor (R3), a fourth resistor (R4), a fifth resistor (R5), a sixth resistor (R6), a seventh resistor (R7), a second capacitor (C2), a third capacitor (C3) and a fourth capacitor (C4);
a collector of the first triode (Q1) is connected to one ends of a fourth resistor (R4) and a seventh resistor (R7) through a third resistor (R3), the other end (R4) of the fourth resistor is grounded, and the other end of the seventh resistor (R7) is connected to an emitter of the second triode (Q2); the base electrode of the first triode (Q1) is connected with the collector electrode of the second triode (Q2); the emitter of the first triode (Q1) is connected with a fourth capacitor (C4);
the collector of the second triode (Q2) is also connected to one end of a second resistor (R2), the emitter of the second triode (Q2) is grounded through a seventh resistor (R7) and a fourth resistor (R4), and the base of the second triode (Q2) is connected with a resistor (R6) and is connected with a second capacitor (C2) to be grounded.
10. The cabin interior safety monitoring and warning device of claim 9, wherein the third capacitor (C3) is connected to the first resistor (R1) and the fifth resistor (R5) at two ends; one end of the first resistor (R1) is connected to the positive pole of the power supply, and the other end of the first resistor (R1) is grounded through the second capacitor (C2).
CN202120982574.9U 2021-05-10 2021-05-10 Safety monitoring and alarming device in cabin Expired - Fee Related CN214752193U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120982574.9U CN214752193U (en) 2021-05-10 2021-05-10 Safety monitoring and alarming device in cabin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120982574.9U CN214752193U (en) 2021-05-10 2021-05-10 Safety monitoring and alarming device in cabin

Publications (1)

Publication Number Publication Date
CN214752193U true CN214752193U (en) 2021-11-16

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ID=78620186

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120982574.9U Expired - Fee Related CN214752193U (en) 2021-05-10 2021-05-10 Safety monitoring and alarming device in cabin

Country Status (1)

Country Link
CN (1) CN214752193U (en)

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Granted publication date: 20211116