CN210223004U - Bus volatile substance detection alarm system - Google Patents
Bus volatile substance detection alarm system Download PDFInfo
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- CN210223004U CN210223004U CN201920942015.8U CN201920942015U CN210223004U CN 210223004 U CN210223004 U CN 210223004U CN 201920942015 U CN201920942015 U CN 201920942015U CN 210223004 U CN210223004 U CN 210223004U
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Abstract
The utility model provides a bus volatile substance detects alarm system, include: the device comprises a controller, an alarm device, a display, a gas detector and a communication detection device; the gas detector sends a concentration signal of the volatile substances to the controller through the volatile substance detection sensor, and the controller sends the concentration signal of the volatile substances to the display and the alarm device; the communication detection device sends the current and voltage information to the controller, and the controller selects a corresponding line state according to the received current and voltage information and sends the line state to the display and the alarm device; the display displays the concentration information of the volatile matter and the state of the communication line; the alarm device gives out sound and light alarm when receiving the alarm signal. The system can effectively check whether volatile substances exist in the gas in the bus or not in real time, and positions the position of the volatile substances to be detected when the volatile substances are detected, so that the safety of the bus is effectively improved.
Description
Technical Field
The utility model relates to a bus volatile substance check out test set technique, concretely relates to bus volatile substance detects alarm system.
Background
The bus is used as a public transport means for traveling in cities, and cannot be subjected to security check like rail transit due to the fact that the bus is an open type platform. Therefore, passengers on the bus are easy to carry dangerous goods such as volatile matters and the like, and cannot be noticed, even if the concentration of the volatile matters is too high, the dangerous goods are not easy to find, and therefore more potential safety hazards are brought for people going out.
SUMMERY OF THE UTILITY MODEL
The application provides a bus volatile substance detects alarm system to can't carry out timely effectual location to volatile substance and detect the more potential safety hazard that brings on solving current bus.
In order to achieve the above object, the utility model provides a bus volatile substance detection alarm system, include:
the gas detector comprises a controller, an alarm device, a display and a plurality of gas detectors;
the controller is connected with the gas detector through a serial port communication line; the gas detector comprises a volatile matter detection sensor, the volatile matter detection sensor is used for sending a volatile matter concentration signal to the controller after detecting the concentration of the volatile matter, and the controller receives the volatile matter concentration signal and sends the volatile matter concentration signal to the display and the alarm device;
the controller actively detects the communication state of a serial communication line, if the controller does not receive or receives an error message within a preset time period, the controller actively judges the communication fault and sends a communication fault signal to the display and the alarm device;
the display is connected with the controller and used for displaying the concentration information of the volatile matters and the state of the communication line received from the controller;
the alarm device is connected with the controller and is used for giving out sound and light alarm when receiving the alarm signal.
Further, the gas detector comprises a shell and an air suction device; the air suction device and the volatile substance detection sensor are arranged in the shell; the air suction device is used for actively sucking air.
Further, the air suction device is provided with a first control switch which is connected in series with the circuit of the air suction device; the first control switch controls the on and off of the circuit of the air suction device by sensing a human body through infrared rays.
Furthermore, the air suction device is also provided with a second control switch, and the second control switch is arranged on the circuit of the air suction device and is used for controlling the on and off of the circuit of the air suction device.
Further, the air suction device is a fan.
Further, the gas detector comprises a ceiling type detector and a floor type detector according to the installation mode; the ceiling type detector is connected with the vehicle buckle through the mounting bracket and is mounted near the seat; the floor-standing detector is mounted in front of or near a door in the vehicle.
Further, the floor type detector comprises a status indicator lamp group; the state indicating lamp group is connected in series with a circuit of the volatile substance detection sensor; the state indicating lamp group comprises a first indicating lamp group and a second indicating lamp group; the first indicator lamp group is used for displaying the normal power supply state of the power supply; the second indicator light group is used for displaying the state of the volatile matter detection sensor when the volatile matter is detected, the second indicator light group comprises a plurality of indicator lights, and the concentration of the volatile matter is displayed through the display number of the indicator lights.
Furthermore, the floor type detector is connected with a vehicle-mounted power supply through a power supply connector; the power connector is arranged in the shell, and the shell is provided with a window which can be opened so as to facilitate the assembly of the power connector; and an emergency switch is arranged on the side wall of the shell and used for cutting off the power supply of the floor type detector.
Further, ceiling type detector includes a status indicator lamp, the status indicator lamp with the volatile substance detects the sensor and connects for show circuit circular telegram state, and be used for showing the volatile substance concentration state that volatile substance detected the sensor and detected.
Furthermore, the alarm device comprises an alarm indicator light and a buzzer; the alarm indicator lamp lights different colors according to the communication state and the volatile substance detection state of any gas detector, and flickers according to the volatile substance concentration detected by the gas detector; the buzzer alarms and reminds when detecting the volatile matter.
The utility model discloses following beneficial effect has:
(1) the system can check and alarm the gas safety condition in the bus;
(2) the system is arranged on a plurality of gas detectors in the bus, and can effectively check whether volatile matter components exist in the gas in the bus in real time;
(3) each gas detector is connected with the system controller through a serial port communication line, and the line state is displayed on the display in real time, so that the communication state of each gas detector can be effectively positioned;
(4) each gas detector is provided with an indicator light reminding device, and the display displays the detection state of each gas detector, so that the detection state of each gas detector can be positioned;
(5) the gas detector controls the air suction device through the human body infrared sensing device, the person comes the air suction device to suck air actively, and the person walks the air suction device to stop, thereby effectively checking.
(6) The system is provided with alarm indicator lamp and bee calling organ, can carry out audible and visual alarm when detecting volatile substance to effectively improve the security of bus.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
fig. 2 is a schematic structural diagram of a housing of a gas detector according to the present invention;
fig. 3 is a schematic view of a housing structure of another gas detector according to the present invention.
Detailed Description
The following description and discussion of the embodiments of the present invention, which are made in conjunction with the accompanying drawings of the present invention, are clear and complete, and it is obvious that only some embodiments, not all embodiments, of the present invention are described herein, and all other embodiments, which can be obtained by a person skilled in the art without creative work, are included in the protection scope of the present invention based on the embodiments of the present invention.
For the convenience of understanding the embodiments of the present invention, the following detailed description will be given by way of example with reference to the accompanying drawings, and the embodiments are not limited to the embodiments of the present invention.
As shown in fig. 1, the present embodiment provides a bus volatile substance detection alarm system, including: controller 1, display 4, alarm device 3, a plurality of gas detectors 2
Specifically, controller 1 and gas detector 2 pass through serial communication line to be connected, and further, gas detector 2 is including 4 in this embodiment, is connected with serial communication line through connector AMP282105-1, and at this moment, controller 1 passes through connector AMP 12 core (AMP174045-2) and is connected with serial communication line, and wherein the function that each pin corresponds in each connector transmits different signals respectively. Wherein, controller 1 can adopt the singlechip, for example the model is: stm32f030c8t 6. Specifically, the gas detector 2 comprises a volatile matter detection sensor, the volatile matter detection sensor is used for detecting the concentration of the volatile matter and sending a volatile matter concentration signal to the controller 1, and the controller 1 receives the volatile matter concentration signal and selects a corresponding instruction according to the volatile matter concentration signal to send the instruction to the display 4 and the alarm device 3; the controller 1 actively detects the communication state of the serial communication line, if the controller 1 is in a state of not receiving or receiving an error message all the time within a certain time, the controller 1 actively judges that the line has a communication fault, and sends a communication fault signal to the display 4 and the alarm device 3; the display 4 is connected with the controller 1 and is used for displaying the concentration information of the volatile matters and the state information of the communication lines received by each line from the controller 1; the alarm device 3 is connected with the controller 1, and when the controller 1 receives a communication line fault signal or a volatile substance concentration signal, an alarm signal is sent to the alarm device 3 to enable the alarm device to give out sound and light alarm.
Further, the controller 1 monitors the communication state of the serial communication line in real time, the serial communication line transmits message information to the controller 1 in real time, if the controller 1 detects that the message information is lost or not transmitted, for example, the communication line is saturated, the message information is regularly lost, or the hardware of the communication line is disconnected, the message information cannot be transmitted, and the controller 1 transmits a communication fault signal to the display 4 and the alarm device 3.
Here, the controller 1 and the display 4 may be integrated into a single body structure and disposed within a range visible to a driver, or may be independent from each other as needed, and may be connected to each other by signals.
Wherein, the gas detector 2 also comprises a shell and an air suction device; and the air suction device and the volatile substance detection sensor are arranged in the shell, and the air suction device is used for actively sucking air. Specifically, a first control switch is arranged on a main circuit of the air suction device in series, and the first control switch controls the on and off of the circuit of the air suction device through infrared induction human body. Further, in this embodiment, the air suction device is a fan, the fan sucks air into the housing of the gas detector 2, and volatile substances dispersed in the ambient air are sucked into the gas detector 2, so that the volatile substance detection sensor can detect the volatile substances conveniently.
Furthermore, the fan is controlled to rotate and stop through the first control switch, when a person is detected to approach the fan, the fan is controlled to rotate automatically, and after the person leaves the fan, the fan stops; in order to prolong the service life of the air suction device, the first control switch can be set as a delay switch, so that the fan can not stop immediately after a person leaves, a resistor and a capacitor are connected in parallel, and the delay of different time is realized by changing the value of the resistor and the value of the capacitor.
In addition, the air suction device is also provided with a second control switch which is arranged on a main circuit of the air suction device and is also used for switching on and off the circuit of the air suction device. In order to prevent the fan from being in a rotating state all the time and being unable to be turned off when a passenger stays near the gas detector 2, a second control switch may be used to turn off and stop the rotation of the fan. Therefore, the first control switch and the second control switch are used as double control switches to control the rotation and stop of the fan.
Further, in the present embodiment, the gas detector 2 includes a ceiling type detector 5 and a floor type detector 6 according to different installation manners, wherein the ceiling type detector 5 is installed with a mounting rack, is clamped on the vehicle through a mounting bracket, is installed near the seat, and is generally installed at the bottom of the seat. The floor-standing detector 6 is a vertical detector, and is generally installed near a front door or a middle door of a vehicle.
Specifically, in this embodiment, the floor-standing detector 6 is provided with a status indicator lamp set, the status indicator lamp set is connected in series to the main circuit of the volatile substance detection sensor, and the status indicator lamp set includes a first indicator lamp set and a second indicator lamp set, and the second indicator lamp set includes a plurality of indicator lamps. In order to distinguish the functions of each group, the first indicator light group is a green indicator light, and the second indicator light group is a red indicator light. When the floor type detector 6 is just powered on, the floor type detector is in a preheating stage, the preheating time is usually 3min, at the moment, the equipment is in an abnormal working state, and at the moment, the red indicator lamp of the second indicator lamp group is in a water lamp state; after the preheating is finished, under the normal condition of the equipment, the green indicator light of the first indicator light group is lightened. Further, when the volatile substance detection sensor detects the presence of the volatile substance, the red indicator lamp is also turned on, and at this time, the higher the concentration of the volatile substance, the greater the number of red lamps turned on. Of course, the specific water-flowing lamps or non-water-flowing lamps are set in advance, and from the viewpoint of the aesthetic property and structural reasonableness of the equipment, the number of the red lamps is selected to be 8, so that when all the red lamps are turned on at most, 8 red lamps are turned on.
Further, in the present embodiment, the floor-type detector 6 is connected to the vehicle-mounted power supply through a power connector, the power connector is disposed in the housing, and the housing is provided with an openable window, which is convenient for assembling the power connector in the housing; in addition, an emergency switch is arranged on the side wall of the shell, and when no window key exists, the emergency switch is used for cutting off the power supply of the floor type detector 6; when the equipment breaks down, the window is opened, and the connection with the vehicle-mounted power supply is interrupted.
In addition, in the present embodiment, the ceiling type detector 5 includes a status indicator lamp for indicating an operation status of the ceiling type detector 5. The status indicator lamp controls the indicator lamp through pulse width modulation according to the driving setting inside the detector, and the states of the breathing lamp and the non-breathing lamp are realized. Further, the status indicator lamp is connected to a volatile substance detection sensor. For displaying the power-on state of the circuit of the ceiling type detector 5 and the concentration state of the volatile substance detected by the volatile substance detection sensor. Further, in this embodiment, after the ceiling type detector 5 is powered on, the ceiling type detector 5 is in a preheating stage, and the preheating time is usually 3min, at this time, the status indicator lamp is turned on by a yellow lamp; when the preheating is finished, the indicating lamp lights the green breathing lamp under the normal condition; when the volatile substance detection sensor detects a volatile substance, the status indicator lamp turns on a yellow breathing lamp when the concentration of the volatile substance is mild or moderate (0.8-30ppm), and turns on a red breathing lamp when the concentration of the volatile substance is greater than a threshold value (> ═ 30 ppm).
In this embodiment, each corresponding gas detector 2 in the display 4 may be numbered, the communication state of each gas detector 2 in the system is displayed in the display 4, and generally "normal" is displayed, when the gas detector 2 detects a volatile substance, the display 4 may display the alarm levels "light alarm", "moderate alarm", and "heavy alarm", and certainly, when a communication failure occurs between the gas detector 2 and the controller 1, the display 4 may directly display "communication failure".
In this embodiment, the alarm device 3 includes an alarm indicator and a buzzer. When any gas detector 2 in the system has communication faults, the alarm indicator lamp is turned on to be yellow, when any gas detector 2 in the system detects volatile matters, the alarm indicator lamp is turned on to be red and to be red, the higher the concentration of the volatile matters is, the faster the flashing frequency is, and when a set threshold value is reached, for example, a buzzer starts to buzz under the alarm condition of a heavy alarm state, so that the sound-light alarm effect is achieved.
Further, when the gas detector 2 detects volatile substances, the corresponding display position in the display 4 flickers to remind the driver and passengers of quickly positioning the position or the area where the volatile substances are located.
It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.
Claims (10)
1. The utility model provides a bus volatile substance detection alarm system which characterized in that includes:
the gas detector comprises a controller, an alarm device, a display and a plurality of gas detectors;
the controller is connected with the gas detector through a serial port communication line; the gas detector comprises a volatile matter detection sensor, the volatile matter detection sensor is used for detecting the concentration of the volatile matter and sending a volatile matter concentration signal to the controller, and the controller receives the volatile matter concentration signal and sends the volatile matter concentration signal to the display and the alarm device;
the controller actively detects the communication state of a serial communication line, if the controller does not receive or receives an error message within a preset time period, the controller actively judges the communication fault and sends a communication fault signal to the display and the alarm device;
the display is connected with the controller and used for displaying the concentration information of the volatile matters and the state of the communication line received from the controller;
the alarm device is connected with the controller and is used for giving out sound and light alarm when receiving the alarm signal.
2. The bus volatile substance detection alarm system as claimed in claim 1, wherein the gas detector further comprises a housing, an air suction device; the air suction device and the volatile substance detection sensor are arranged in the shell; the air suction device is used for actively sucking air.
3. The bus volatile matter detection alarm system as claimed in claim 2, wherein the air suction device is provided with a first control switch, and the first control switch is connected in series with a circuit of the air suction device; the first control switch controls the on and off of the circuit of the air suction device by sensing a human body through infrared rays.
4. The bus volatile matter detection alarm system as claimed in claim 3, wherein the air suction device is further provided with a second control switch, and the second control switch is arranged on the circuit of the air suction device and is used for controlling the on and off of the circuit of the air suction device.
5. The bus volatile detection alarm system of claim 2, wherein the air-breathing device is a fan.
6. The bus volatile matter detection alarm system as claimed in claim 2, wherein the gas detector comprises a ceiling type detector and a floor type detector according to the installation mode; the ceiling type detector is connected with the vehicle buckle through the mounting bracket and is mounted near the seat; the floor-standing detector is mounted in front of or near a door in the vehicle.
7. The bus volatile matter detection alarm system as recited in claim 6, wherein the floor-standing detector comprises a status indicator light set; the state indicating lamp group is connected in series with a circuit of the volatile substance detection sensor; the state indicating lamp group comprises a first indicating lamp group and a second indicating lamp group; the first indicator lamp group is used for displaying the normal power supply state of the power supply; the second indicator light group is used for displaying the state of the volatile matter detection sensor when the volatile matter is detected, the second indicator light group comprises a plurality of indicator lights, and the concentration of the volatile matter is displayed through the display number of the indicator lights.
8. The bus volatile matter detection alarm system as claimed in claim 6, wherein the floor-type detector is connected with a vehicle-mounted power supply through a power connector; the power connector is arranged in the shell, and the shell is provided with a window which can be opened so as to facilitate the assembly of the power connector; and an emergency switch is arranged on the side wall of the shell and used for cutting off the power supply of the floor type detector.
9. The bus volatile substance detection alarm system according to claim 6, wherein the ceiling type detector comprises a status indicator light, and the status indicator light is connected with the volatile substance detection sensor and used for displaying the power-on state of a circuit and displaying the concentration state of the volatile substance detected by the volatile substance detection sensor.
10. The bus volatile matter detection alarm system as claimed in claim 1, wherein the alarm device comprises an alarm indicator light and a buzzer; the alarm indicator lamp lights different colors according to the communication state and the volatile substance detection state of any gas detector, and flickers according to the volatile substance concentration detected by the gas detector; the buzzer alarms and reminds when detecting the volatile matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920942015.8U CN210223004U (en) | 2019-06-21 | 2019-06-21 | Bus volatile substance detection alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920942015.8U CN210223004U (en) | 2019-06-21 | 2019-06-21 | Bus volatile substance detection alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210223004U true CN210223004U (en) | 2020-03-31 |
Family
ID=69933342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920942015.8U Active CN210223004U (en) | 2019-06-21 | 2019-06-21 | Bus volatile substance detection alarm system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210223004U (en) |
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2019
- 2019-06-21 CN CN201920942015.8U patent/CN210223004U/en active Active
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