CN110164088B - Dangerous article automatic detection device, automatic alarm system and alarm method thereof - Google Patents

Dangerous article automatic detection device, automatic alarm system and alarm method thereof Download PDF

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Publication number
CN110164088B
CN110164088B CN201910539054.8A CN201910539054A CN110164088B CN 110164088 B CN110164088 B CN 110164088B CN 201910539054 A CN201910539054 A CN 201910539054A CN 110164088 B CN110164088 B CN 110164088B
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automatic
air guide
dangerous
air
plate
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CN110164088A (en
Inventor
高加杰
袁宇
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Shanghai Lengxi Safety Technology Co ltd
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Shanghai Lengxi Safety Technology Co ltd
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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons

Abstract

The invention discloses an automatic dangerous article detection device, an automatic alarm system and an alarm method thereof. Dangerous goods automatic checkout device includes: the upper cover and the bottom plate form an accommodating space; an exhaust fan, an air guide duct, a semiconductor sensor board, a main control circuit board and an alarm device in the accommodating space; the air guide channel comprises a first air guide part and a second air guide part, the first air guide part and the bottom plate form a first air channel, the second air guide part and the bottom plate form a second air channel, and the first air channel is inclined to the second air channel; the semiconductor sensor board is arranged on the first air guide part; the main control circuit board is connected with the semiconductor sensor board, the alarm device and the exhaust fan, and the automatic alarm system and the alarm method are adopted. The automatic dangerous article detection device disclosed by the invention has the advantages that the ambient air is conveyed to the semiconductor sensor board for detection, the response speed is high, the dangerous case detection time is shortened, and the automatic alarm system and the alarm method realize that a single automatic dangerous article detection device finds out dangerous cases and all the automatic dangerous article detection devices alarm simultaneously.

Description

Dangerous article automatic detection device, automatic alarm system and alarm method thereof
Technical Field
The invention relates to the design of a bus safety protection device, in particular to an automatic dangerous article detection device, an automatic alarm system and an alarm method thereof.
Background
Public safety includes information safety, food safety, public health safety, public travel law safety, refuge behavior safety, personnel evacuation site safety, building safety, city life line safety, malicious and non-malicious personnel safety, personnel evacuation and the like.
The bus is taken as a common transportation means for citizens to travel, special importance is required for the safety requirement of the bus, if passengers carry dangerous articles such as inflammable and explosive articles to take the bus, if accidents occur, the serious safety accidents can be caused, the detection device for detecting the inflammable and explosive dangerous articles in the bus in the prior art is generally a sensor which is arranged in a box body, and the detection can be carried out only by the natural air flowing into the box body, so that the detection efficiency is lower and the response speed is slower.
Disclosure of Invention
The invention aims to provide an automatic dangerous article detection device, an automatic alarm system and an alarm method thereof, wherein the automatic dangerous article detection device shortens the dangerous case detection time, has high response speed and has higher exhaust efficiency of an exhaust fan. The automatic alarm system and the alarm method realize the automatic networking of a plurality of dangerous goods automatic detection devices, the single dangerous goods automatic detection device finds out dangerous situations, all the dangerous goods automatic detection devices alarm simultaneously, and meanwhile, the master controller alarms the driver, so that the driver and the passengers are prevented from neglecting alarm information due to noisy internal environment of the bus.
The technical scheme provided by the invention is as follows:
an automatic hazardous article detection device, comprising: the upper cover is detachably connected with the bottom plate, and the upper cover and the bottom plate form an accommodating space; the exhaust fan is arranged in the accommodating space, and an exhaust opening is formed in the position, corresponding to the exhaust fan, of the upper cover; the air guide channel is positioned in the accommodating space and comprises a first air guide part and a second air guide part which are connected with each other, one end of the first air guide part, which is far away from the second air guide part, is opposite to the air supply port of the exhaust fan, the first air guide part and the bottom plate form a first air channel, the second air guide part and the bottom plate form a second air channel, the extending direction of the first air channel is inclined to the extending direction of the second air channel, and the bottom plate is provided with a bottom plate ventilation opening corresponding to the air guide channel; the semiconductor sensor plate is arranged at the position, close to the exhaust fan, of the first air guide part; the main control circuit board and the alarm device are arranged in the accommodating space, and the main control circuit board is respectively in communication connection with the semiconductor sensor board, the alarm device and the exhaust fan.
In the structure, the surrounding air is conveyed to the semiconductor sensor plate for detection through the exhaust fan, compared with the situation that the surrounding air naturally flows into the box body for detection, the response speed of the structure is high, the dangerous situation detection time is shortened, and the rebound of the air sent out of the exhaust fan can be reduced due to the inclined arrangement of the first air guide part and the second air guide part of the air guide channel, so that about 80-90% of the air sent out by the exhaust fan can be blown to the semiconductor sensor plate, and the exhaust efficiency of the exhaust fan is improved.
Preferably, the first air guiding part and the second air guiding part are both arranged on the bottom plate; the first air guide part comprises a first air guide plate, an inclined plate and a second air guide plate which are sequentially connected, the first air guide plate and the second air guide plate are mutually parallel, the inclined plate is inclined towards the bottom plate along the direction away from the exhaust fan, and one end of the first air guide plate away from the inclined plate and one end of the second air guide plate away from the inclined plate are arranged on the bottom plate; a pair of clamping flanges are arranged at the corresponding positions of the first air deflector and the second air deflector, the clamping flanges extend towards the directions close to each other, and one end, close to the bottom plate, of each clamping flange extends towards the inclined plate; two ends of the semiconductor sensor plate are respectively provided with a clamping block, and the clamping blocks are clamped between the clamping flanges at the corresponding sides and the tilting plate.
In the structure, the semiconductor sensor plate is clamped on the tilting plate through the clamping block and the clamping flange, so that the semiconductor sensor plate is convenient to detach and mount on the tilting plate.
Preferably, the second air guiding part comprises a third air guiding plate, the edge of the third air guiding plate extends towards the bottom plate to form a vertical plate, and one end, far away from the third air guiding plate, of the vertical plate is arranged on the bottom plate.
Preferably, the extending direction of the first air duct is perpendicular to the extending direction of the second air duct.
Preferably, a wind shielding block is arranged on the bottom plate, and the wind shielding block is positioned between the air supply opening of the exhaust fan and the semiconductor sensor plate.
In the structure, the wind shielding block can block part of air from the exhaust fan to enter the air guide duct, so that the residence time of the air at the semiconductor sensor plate is prolonged, and the detection accuracy of the semiconductor sensor plate is improved.
Preferably, the alarm device comprises a buzzer and an indicator lamp, a buzzer opening is formed in the position of the upper cover corresponding to the buzzer, an indicator lamp socket is formed in the position of the upper cover corresponding to the indicator lamp, and a part of the indicator lamp extends out of the upper cover through the indicator lamp socket.
When the alarm device alarms, the indicator lights and the buzzer sounds, notifying nearby passengers and drivers of the danger.
Preferably, the dangerous goods automatic detection device further comprises: the antenna is rotatably arranged on the upper cover and is in communication connection with the main control circuit board.
In the above structure, the antenna is used for realizing the intercommunication between a plurality of dangerous goods automatic checkout device and the communication of dangerous goods automatic checkout device and outside master controller, realizes the automatic network deployment of a plurality of dangerous goods automatic checkout device, and single dangerous goods automatic checkout device discovers the dangerous case, and the function of all dangerous goods automatic checkout devices reporting to the police simultaneously.
Preferably, the dangerous goods automatic detection device further comprises: the grid file is positioned in the accommodating space and divides the accommodating space into a first accommodating space and a second accommodating space, the exhaust fan is positioned in the first accommodating space, and the air guide channel is positioned in the second accommodating space; and a blowing port is formed in the position, corresponding to the air supply port of the exhaust fan, of the grid, and air pumped by the exhaust fan enters the air guide channel through the blowing port.
An automatic alarm system, comprising: the dangerous goods automatic detection device further comprises an antenna, wherein the antenna is rotatably arranged on the upper cover and is in communication connection with the main control circuit board, and any two dangerous automatic detection devices are in communication connection through corresponding antennas; and the master controller is connected with the master control circuit board of each dangerous article automatic detection device through corresponding antennae in a communication manner.
The automatic alarm system comprises a plurality of dangerous article automatic detection devices for detecting whether dangerous cases occur or not and a master controller for realizing overall unified control, wherein the plurality of dangerous article automatic detection devices are automatically networked, a single dangerous article automatic detection device detects dangerous cases, all dangerous article automatic detection devices simultaneously alarm, and the dangerous article automatic detection devices which detect dangerous cases simultaneously send dangerous case information to other dangerous article automatic detection devices and the master controller respectively for alarm.
Preferably, the automatic alarm system further comprises: and the cab control panel is connected with the master controller.
In the structure, the cab control panel is used for displaying the specific position of the dangerous article automatic detection device for finding out dangerous cases and reminding a driver of the dangerous cases, so that the driver can conveniently carry out subsequent processing such as quick alarm and the like.
An alarm method, which is applied to the automatic alarm system, comprises the following steps: when any one of the semiconductor sensor boards of the automatic dangerous article detection devices detects dangerous cases, the main control circuit board of the corresponding automatic dangerous article detection device transmits dangerous case information to all other automatic dangerous article detection devices and the master controller through the antenna, and all alarm devices of the automatic dangerous article detection devices and the master controller give an alarm simultaneously.
Preferably, the automatic alarm system further comprises a cab control panel, wherein the cab control panel is connected with the master controller; the dangerous case information comprises dangerous article automatic detection device positions at dangerous case occurrence positions and dangerous case occurrence information; after the master controller receives the dangerous case information, the master controller transmits the position of the dangerous article automatic detection device at the received dangerous case occurrence position to the control panel of the cab and displays the dangerous case information, and the master controller displays the received dangerous case occurrence information on the control panel of the cab so as to prompt a driver of dangerous case occurrence.
The automatic dangerous article detection device, the automatic alarm system and the alarm method thereof provided by the invention have the following beneficial effects:
according to the automatic dangerous article detection device, ambient air is conveyed to the semiconductor sensor plate for detection through the exhaust fan, the response speed is high, the dangerous case detection time is shortened, and the rebound of the air sent out by the exhaust fan can be reduced due to the inclined arrangement of the first air guide part and the second air guide part of the air guide channel, so that about 80-90% of the air sent out by the exhaust fan can be blown to the semiconductor sensor plate, and the exhaust efficiency of the exhaust fan is improved. The automatic alarm system and the alarm method realize that a single dangerous article automatic detection device discovers dangerous cases and all dangerous article automatic detection devices alarm simultaneously, thereby overcoming the defect that the single dangerous article automatic detection device alarms and cannot cause attention of surrounding passengers and drivers.
Drawings
The above features, technical features, advantages and implementation modes of the automatic dangerous goods detection device, the automatic alarm system and the alarm method thereof will be further described in a clear and understandable manner by referring to the preferred embodiments described in the attached drawings.
FIG. 1 is a schematic diagram of an automatic dangerous goods detecting device;
FIG. 2 is a schematic view of the structure of the upper cover;
FIG. 3 is a schematic diagram of the automatic dangerous goods detecting device after the upper cover, the antenna and the waterproof connector are removed;
FIG. 4 is a schematic structural view of a base plate;
FIG. 5 is a schematic view of the structure of the air duct;
fig. 6 is a schematic view of the air guide duct viewed from another direction.
Reference numerals illustrate:
1-bottom plate, 1 a-first clamping groove, 1 b-wind shielding block, 1 c-bottom plate ventilation opening, 2-upper cover, 2 a-exhaust opening, 2 b-indication lamp opening, 2 c-buzzer opening, 2 d-storage cavity, 2 e-grid, 2 f-air blowing opening, 2 g-second clamping groove, 3-antenna, 4-waterproof joint, 5-exhaust fan, 6-air guide channel, 6 a-first air guide part, 6 b-second air guide part, 6 c-clamping flange, 6 d-first air guide plate, 6 e-second air guide plate, 6 f-notch, 6 g-tilting plate, 6 h-air outlet, 6 i-third air guide plate, 6 j-vertical plate, 7-semiconductor sensor plate, 7 a-clamping block, 8-main control circuit board, 9-alarm device, 10-indication lamp, 11-buzzer.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will explain the specific embodiments of the present invention with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For simplicity of the drawing, only the parts relevant to the present invention are schematically shown in each drawing, and they do not represent the actual structure thereof as a product.
[ example 1 ]
As shown in fig. 1 to 6, embodiment 1 discloses a specific embodiment of an automatic dangerous article detection device, which includes: the upper cover 2 and the bottom plate 1 are detachably connected, and the upper cover 2 and the bottom plate 1 form an accommodating space.
As shown in fig. 1 to 3, the present embodiment further includes an exhaust fan 5, an air duct 6, a semiconductor sensor board 7, an antenna 3, a main control circuit board 8, and an alarm device 9. The exhaust fan 5 is arranged in the accommodating space, and an exhaust opening 2a is formed in the position, corresponding to the exhaust fan 5, of the upper cover 2.
The air guide channel 6 is located in the accommodating space, the air guide channel 6 comprises a first air guide part 6a and a second air guide part 6b which are connected with each other, one end of the first air guide part 6a, which is far away from the second air guide part 6b, is opposite to the air supply port of the exhaust fan 5, the first air guide part 6a and the bottom plate 1 form a first air channel, the second air guide part 6b and the bottom plate 1 form a second air channel, the extending direction of the first air channel is perpendicular to the extending direction of the second air channel, and a bottom plate ventilation opening 1c is arranged at the position of the bottom plate 1, which corresponds to the air guide channel 6. The semiconductor sensor plate 7 is provided near the exhaust fan 5 in the first air guide 6a, and detects whether or not the air sent from the exhaust fan 5 contains dangerous components such as inflammable and explosive components.
In other specific embodiments, the extending direction of the first air channel is inclined to the extending direction of the second air channel, and the inclined angle can be valued according to practical situations, so that the air rebound of the exhaust fan 5 conveyed to the first air channel is ensured to be as small as possible, and the description is omitted here.
As shown in fig. 2, a shelf 2e is disposed in the accommodating space, the shelf 2e divides the accommodating space into a first accommodating space and a second accommodating space, the exhaust fan 5 is disposed in the first accommodating space, and the air guide duct 6 is disposed in the second accommodating space. The grid 2e is provided with a blowing port 2f corresponding to the air supply port of the exhaust fan 5, and air sent by the exhaust fan 5 enters the air guide duct 6 through the blowing port 2 f.
Specifically, as shown in fig. 3, 5 and 6, the first air guiding portion 6a and the second air guiding portion 6b are both disposed on the bottom plate 1. As shown in fig. 5 and 6, the first air guiding portion 6a includes a first air guiding plate 6d, an inclined plate 6g and a second air guiding plate 6e which are sequentially connected, the first air guiding plate 6d and the second air guiding plate 6e are parallel to each other, the inclined plate 6g is inclined toward the bottom plate 1 along a direction away from the exhaust fan 5, one end of the first air guiding plate 6d away from the inclined plate 6g and one end of the second air guiding plate 6e away from the inclined plate 6g are disposed on the bottom plate 1.
As shown in fig. 2, a second clamping groove 2g is formed in the grid 2e at a position corresponding to the first air deflector 6d and the second air deflector 6e, and the first air deflector 6d and the second air deflector 6e are clamped in the second clamping groove 2 g.
As shown in fig. 5 and 6, a pair of engaging flanges 6c are provided at corresponding positions of the first air guide plate 6d and the second air guide plate 6e, the engaging flanges 6c extend in directions toward each other, and one end of the engaging flange 6c near the bottom plate 1 extends toward the inclined plate 6 g. The two ends of the semiconductor sensor board 7 are respectively provided with a clamping block 7a, and the clamping blocks 7a are clamped between the clamping flanges 6c and the inclined boards 6g at the corresponding sides and are finally supported by the parts of the clamping flanges 6c extending towards the bottom board 1. In order to facilitate the removal of the semiconductor sensor plate 7 from the first wind guiding portion 6a, a notch 6f is formed at an end of the inclined plate 6g near the upper cover 2, and when the semiconductor sensor plate 7 needs to be removed, a finger contacts the semiconductor sensor plate 7 through the notch 6f and removes it from the first wind guiding portion 6 a.
The second air guiding part 6b comprises a third air guiding plate 6i, the edge of the third air guiding plate 6i extends towards the bottom plate 1 to form a vertical plate 6j, and one end of the vertical plate 6j away from the third air guiding plate 6i is arranged on the bottom plate 1. An air outlet 6h is formed in the third air deflector 6 i.
As shown in fig. 3 and 4, a first clamping groove 1a is provided at a position of the base plate 1 corresponding to the first air deflector 6d, the second air deflector 6e and the vertical plate 6j of the second air deflector 6b of the first air deflector 6a, and the first air deflector 6d, the second air deflector 6e and the vertical plate 6j of the second air deflector 6b of the first air deflector 6a are clamped in the first clamping groove 1a, so that the air guide duct 6 is mounted on the base plate 1.
As shown in fig. 3 and 6, the end of the second air deflector 6e near the bottom plate 1 is spaced from the grid 2e, so that the air of the first air deflector 6a flows out of the air guide 6 through the gap between the second air deflector 6e and the grid 2e and flows out through the bottom plate ventilation opening 1c.
As shown in fig. 1, the side surface of the upper cover 2 has a storage cavity 2d extending toward the inside, the antenna 3 is rotatably disposed on the upper cover 2, and when the antenna 3 is folded, the antenna 3 is located in the storage cavity 2 d.
As shown in fig. 1 and 3, a main control circuit board 8 and an alarm device 9 are arranged in the accommodating space, the main control circuit board 8 is respectively in communication connection with the semiconductor sensor board 7, the alarm device 9, the exhaust fan 5 and the antenna 3, a waterproof connector 4 is arranged on the side surface of the upper cover 2, and the main control circuit board 8, the semiconductor sensor board 7, the alarm device 9, the exhaust fan 5 and the matched wires of the antenna 3 are all connected with the outside through the waterproof connector 4.
As shown in fig. 1 to 3, the alarm device 9 includes a buzzer 11 and an indicator lamp 10, a buzzer opening 2c is formed in a position of the upper cover 2 corresponding to the buzzer 11, an indicator lamp socket 2b is formed in a position of the upper cover 2 corresponding to the indicator lamp 10, and a part of the indicator lamp 10 extends out of the upper cover 2 through the indicator lamp socket 2 b.
In the dangerous goods automatic detection device of the embodiment, surrounding air is conveyed to the semiconductor sensor board 7 at the first air guide part 6a through the exhaust fan 5 to detect dangerous situations, if the dangerous situations are found, the semiconductor sensor board 7 sends trigger information to the main control circuit board 8, the main control circuit board 8 enables the buzzer 11 to sound and the indicator lamp 10 to be lightened, and the dangerous situations information is sent to other dangerous goods automatic detection devices and/or the general controller to alarm through the antenna 3.
[ example 2 ]
As shown in fig. 2 and 3, in embodiment 2, on the basis of embodiment 1, a wind shielding block 1b is further provided on the bottom plate 1 of embodiment 2, where the wind shielding block 1b is located between the air supply port of the exhaust fan 5 and the semiconductor sensor board 7, and the wind shielding block 1b blocks a part of air from the exhaust fan 5 to enter the air guide duct 6, so that the residence time of the air at the semiconductor sensor board 7 is increased, and the detection accuracy of the semiconductor sensor board 7 is improved.
[ example 3 ]
Embodiment 3 discloses a specific implementation mode of an automatic alarm system, which comprises a plurality of dangerous goods automatic detection devices, a master controller and a cab control panel, wherein the dangerous goods automatic detection devices are exemplified in embodiment 1 or embodiment 2. The automatic dangerous article detection device is arranged on the side face of the seat in the bus and is used for detecting whether dangerous articles such as inflammable and explosive exist near the position, namely whether dangerous situations exist.
Any two dangerous automatic detection devices are connected through the corresponding antenna communication, so that all dangerous automatic detection devices are automatically networked, the master controller is connected with the master control circuit board of each dangerous article automatic detection device through the corresponding antenna communication, and the cab control panel is also connected with the master controller.
When any one of the danger automatic detection devices discovers dangerous cases, all the danger automatic detection devices communicate with each other through the antennas, the alarm devices of all the danger automatic detection devices can send out alarms together, and meanwhile, the master controller receives dangerous case information sent by the danger automatic detection devices which detect dangerous cases and alarms a driver on a control panel of a cab and displays the positions of the danger automatic detection devices which specifically discover dangerous cases.
[ example 4 ]
Embodiment 4 discloses an alarm method, and the automatic alarm system disclosed in embodiment 3 is applied, comprising the following steps:
when the semiconductor sensor board of any one of the dangerous article automatic detection devices detects dangerous cases, the main control circuit board of the corresponding dangerous article automatic detection device transmits dangerous case information to all other dangerous article automatic detection devices and the positions of the master controller through the antenna, and the alarm devices of all the dangerous article automatic detection devices and the master controller give an alarm simultaneously.
Specifically, the dangerous case information includes the dangerous article automatic detection device position at the dangerous case occurrence position and the dangerous case occurrence information.
When the master controller receives the dangerous case information, the master controller transmits the position of the dangerous article automatic detection device at the received dangerous case occurrence position to the control panel of the cab and displays the dangerous case information, and the master controller displays the received dangerous case occurrence information on the control panel of the cab so as to prompt the driver of dangerous case occurrence.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (11)

1. Dangerous goods automatic checkout device, its characterized in that includes:
the upper cover is detachably connected with the bottom plate, and the upper cover and the bottom plate form an accommodating space;
the exhaust fan is arranged in the accommodating space, and an exhaust opening is formed in the position, corresponding to the exhaust fan, of the upper cover;
the air guide channel is positioned in the accommodating space and comprises a first air guide part and a second air guide part which are connected with each other, one end of the first air guide part, which is far away from the second air guide part, is opposite to the air supply port of the exhaust fan, the first air guide part is arranged on the bottom plate and forms a first air channel with the bottom plate, the second air guide part is arranged on the bottom plate and forms a second air channel with the bottom plate, the extending direction of the first air channel is inclined to the extending direction of the second air channel, and a bottom plate ventilation opening is arranged at the position of the bottom plate corresponding to the air guide channel; the first air guide part comprises a first air guide plate, an inclined plate and a second air guide plate which are sequentially connected, the first air guide plate and the second air guide plate are mutually parallel, the inclined plate is inclined towards the bottom plate along the direction away from the exhaust fan, and one end of the first air guide plate away from the inclined plate and one end of the second air guide plate away from the inclined plate are arranged on the bottom plate; a pair of clamping flanges are arranged at the corresponding positions of the first air deflector and the second air deflector, the clamping flanges extend towards the directions close to each other, and one end, close to the bottom plate, of each clamping flange extends towards the inclined plate;
the semiconductor sensor plate is provided with clamping blocks at two ends respectively, the clamping blocks are clamped between the clamping flanges at the corresponding sides and the inclined plate, and the clamping blocks are positioned at the positions, close to the exhaust fan, of the first air guide part;
the main control circuit board and the alarm device are arranged in the accommodating space, and the main control circuit board is respectively in communication connection with the semiconductor sensor board, the alarm device and the exhaust fan.
2. The automatic hazardous article detecting device according to claim 1, wherein:
the second air guide part comprises a third air guide plate, the edge of the third air guide plate extends towards the bottom plate to form a vertical plate, and one end, away from the third air guide plate, of the vertical plate is arranged on the bottom plate.
3. The automatic hazardous article detecting device according to claim 2, wherein:
the extending direction of the first air channel is perpendicular to the extending direction of the second air channel.
4. The automatic hazardous article detecting device according to claim 1, wherein:
the bottom plate is provided with a wind shielding block, and the wind shielding block is positioned between the air supply outlet of the exhaust fan and the semiconductor sensor plate.
5. The automatic hazardous article detecting device according to claim 1, wherein:
the alarm device comprises a buzzer and an indicator lamp, wherein a buzzer opening is formed in the position, corresponding to the buzzer, of the upper cover, an indicator lamp opening is formed in the position, corresponding to the indicator lamp, of the upper cover, and a part of the indicator lamp extends out of the upper cover through the indicator lamp opening.
6. The automatic hazardous article detection device according to claim 1, further comprising:
the antenna is rotatably arranged on the upper cover and is in communication connection with the main control circuit board.
7. The automatic hazardous article detection device according to claim 1, further comprising:
the grid file is positioned in the accommodating space and divides the accommodating space into a first accommodating space and a second accommodating space, the exhaust fan is positioned in the first accommodating space, and the air guide channel is positioned in the second accommodating space;
and a blowing port is formed in the position, corresponding to the air supply port of the exhaust fan, of the grid, and air pumped by the exhaust fan enters the air guide channel through the blowing port.
8. An automatic alarm system, comprising:
the automatic dangerous article detection device according to claim 1, further comprising an antenna, wherein the antenna is rotatably arranged on the upper cover and is in communication connection with the main control circuit board, and any two automatic dangerous article detection devices are in communication connection through corresponding antennas;
and the master controller is connected with the master control circuit board of each dangerous article automatic detection device through corresponding antennae in a communication manner.
9. The automatic alarm system of claim 8, further comprising:
and the cab control panel is connected with the master controller.
10. An alarm method for use in the automatic alarm system of claim 8, comprising the steps of:
when any one of the semiconductor sensor boards of the automatic dangerous article detection devices detects dangerous cases, the main control circuit board of the corresponding automatic dangerous article detection device transmits dangerous case information to all other automatic dangerous article detection devices and the master controller through the antenna, and all alarm devices of the automatic dangerous article detection devices and the master controller give an alarm simultaneously.
11. The alarm method of claim 10, wherein:
the automatic alarm system also comprises a cab control panel, wherein the cab control panel is connected with the master controller;
the dangerous case information comprises dangerous article automatic detection device positions at dangerous case occurrence positions and dangerous case occurrence information;
after the master controller receives the dangerous case information, the master controller transmits the position of the dangerous article automatic detection device at the received dangerous case occurrence position to the control panel of the cab and displays the dangerous case information, and the master controller displays the received dangerous case occurrence information on the control panel of the cab so as to prompt a driver of dangerous case occurrence.
CN201910539054.8A 2019-06-21 2019-06-21 Dangerous article automatic detection device, automatic alarm system and alarm method thereof Active CN110164088B (en)

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CN106801966A (en) * 2017-02-27 2017-06-06 深圳沃海森科技有限公司 PM2.5 is decomposed and the new blower fan of formula is recovered by filtration
CN207507248U (en) * 2017-11-16 2018-06-19 刘金霞 A kind of exhaust treating purifier
CN208406470U (en) * 2018-04-23 2019-01-22 江苏江南绝缘粉末有限公司 Ventilation device is used in a kind of production of insulating powder
CN209879698U (en) * 2019-06-21 2019-12-31 上海冷溪安全科技有限公司 Automatic detection device for dangerous goods and automatic alarm system thereof

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