CN211825665U - Vehicle-mounted SO2And NO2Three-dimensional distribution monitoring system - Google Patents
Vehicle-mounted SO2And NO2Three-dimensional distribution monitoring system Download PDFInfo
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- CN211825665U CN211825665U CN202020178749.6U CN202020178749U CN211825665U CN 211825665 U CN211825665 U CN 211825665U CN 202020178749 U CN202020178749 U CN 202020178749U CN 211825665 U CN211825665 U CN 211825665U
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Abstract
The utility model provides a vehicular SO2And NO2Three-dimensional distribution monitoring system, vehicle-mounted SO2And NO2The three-dimensional distribution monitoring system comprises a vehicle and a detection device, wherein the detection device is used for detecting SO in the atmosphere2And NO2(ii) a The base is arranged on the top of the vehicle; the first rotating unit is rotatably arranged on the base; a second rotation unit rotatably provided at the first rotation unitOn the unit; the included angle between the rotating axis of the second rotating unit and the rotating axis of the first rotating unit is an acute angle or a right angle. The utility model has the advantages of low cost, accuracy, high detection efficiency and the like.
Description
Technical Field
The utility model relates to an atmosphere analysis, in particular to vehicular SO2And NO2Three-dimensional distribution monitoring system.
Background
With the rapid improvement of living standard, people pay more and more attention to the air quality, such as the content of toxic and harmful gases, particulate matters and the like in the air.
For the monitoring of gas in the air, have multiple mode, if DOAS technique is the commonly used scheme, this technique has advantages such as can detect multiple gas simultaneously, accurate, obtains more applications in portable environmental protection detects. This solution has some drawbacks, such as:
1. in order to detect the gas content in each direction in the atmosphere, a plurality of detection devices are required, and the cost is increased correspondingly;
2. even if a plurality of detection devices are used, the detection devices face all directions, the detection devices cannot be covered in all directions, the monitored representative cross is formed, and the quality of atmospheric quality monitoring is reduced.
SUMMERY OF THE UTILITY MODEL
For solving the deficiencies in the prior art, the utility model provides a vehicular SO with low cost and accurate monitoring2And NO2Three-dimensional distribution monitoring system.
The utility model aims at realizing through the following technical scheme:
vehicle-mounted SO2And NO2Three-dimensional distribution monitoring system, vehicle-mounted SO2And NO2The three-dimensional distribution monitoring system comprises a vehicle and a detection device, wherein the detection device is used for detecting SO in the atmosphere2And NO2(ii) a The vehicle-mounted SO2And NO2The three-dimensional distribution monitoring system further includes:
a base disposed on a roof of the vehicle;
a first rotation unit rotatably provided on the base;
a second rotation unit rotatably provided on the first rotation unit; the included angle between the rotating axis of the second rotating unit and the rotating axis of the first rotating unit is an acute angle or a right angle.
Compared with the prior art, the utility model discloses the beneficial effect who has does:
1. the cost is low;
the light receiving unit is fixed on the rotating platform (the base, the first rotating unit and the second rotating unit), so that light in all directions (three dimensions) can be approached by the light receiving unit and then enters the detection device, a plurality of sets of detection devices are not needed, and the cost is obviously reduced;
2. the accuracy is high;
only one set of light receiving unit, detection device and rotary platform are needed, all directions (three dimensions) can be detected, and accordingly monitoring accuracy is improved.
Drawings
The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are only intended to illustrate the technical solution of the present invention and are not intended to limit the scope of the present invention. In the figure:
FIG. 1 is a vehicular SO according to an embodiment of the present invention2And NO2A local structure sketch of the three-dimensional distribution monitoring system;
FIG. 2 is a vehicular SO according to an embodiment of the present invention2And NO2The three-dimensional distribution monitoring system is a local structure sketch.
Detailed Description
Fig. 1-2 and the following description depict alternative embodiments of the invention to teach those skilled in the art how to make and reproduce the invention. For the purpose of teaching the present invention, some conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations or substitutions from these embodiments that will be within the scope of the invention. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the invention. Accordingly, the present invention is not limited to the following alternative embodiments, but is only limited by the claims and their equivalents.
Example 1:
the utility model discloses vehicular SO of embodiment2And NO2Three-dimensional distribution monitoring system, vehicle-mounted SO2And NO2The three-dimensional distribution monitoring system includes:
vehicles, such as vans;
detection devices, e.g. passive DOAS devices, for detecting atmospheric conditions by photoelectric analysisSO2And NO2The detection device of (1);
fig. 1 schematically shows the vehicular SO of the embodiment of the present invention2And NO2The partial structure diagram of the three-dimensional distribution monitoring system is shown in figure 1, and the vehicle-mounted SO2And NO2The three-dimensional distribution monitoring system further includes:
a base 11, the base 11 being disposed on the roof of the vehicle;
a first rotating unit 21, the first rotating unit 21 being rotatably provided on the base 11;
a second rotating unit 22, the second rotating unit 22 being rotatably provided on the first rotating unit 21; the included angle between the rotation axis of the second rotating unit 22 and the rotation axis of the first rotating unit 21 is an acute angle or a right angle.
A driving unit 31-32, wherein the driving unit 31-32 drives the first rotating unit 21 to rotate relative to the base 11 and drives the second rotating unit 22 to rotate relative to the first rotating unit 21;
and a light receiving unit 51, wherein the light receiving unit 51 is fixed to the second rotating unit 22, and the output signal is sent to the detecting device.
In order to improve the smoothness of rotation and the positioning accuracy, further, the monitoring system further comprises:
the first rotating unit is arranged on the base through a bearing, and the second rotating unit is arranged on the first rotating unit through a bearing.
In order to transmit the optical signal received by the light receiving unit to the detection device, further, the light received by the light receiving unit is coupled into one end of an optical fiber, and the other end of the optical fiber is connected to the detection device.
In order to detect a plurality of gases simultaneously, further, the detecting device includes:
the shell is provided with a slit, and the other end of the optical fiber is positioned at the outer side of the shell and is adjacent to the slit;
the light incident from the slit is received by the detector after being split by the light splitting component;
an analysis unit for analyzing the output signal of the detector by using DOAS technology to obtain SO in different directions in the atmosphere2And NO2The analytical unit is prior art in the field.
To provide power for monitoring, further, the monitoring system further comprises:
the storage battery is arranged in the vehicle and supplies power to the driving unit and the detection device;
and the positioning unit is arranged on the vehicle so as to establish the corresponding relation between the monitoring data and the place.
In order to send out monitoring data and receive external instructions, the monitoring system further comprises:
the signal transmitting unit is used for transmitting the data of the detection device and the positioning unit to a server;
a signal receiving unit to receive an instruction.
In order to transmit light into the vehicle for detection, further, the monitoring system further comprises:
a first light reflecting device provided in the first rotating unit;
the second light reflection device is arranged in the second rotation unit, the light received by the light receiving unit is reflected by the second light reflection unit and the first light reflection unit in sequence, and the detection device receives the reflected light on the first light reflection unit.
To receive the optical signal, further, the vehicle has an optical window through which the reflected light passes; the detection device is disposed within the vehicle.
Example 2:
according to the utility model discloses embodiment 1 vehicular SO2And NO2Application example of the three-dimensional distribution monitoring system.
In this application example, as shown in fig. 1, the vehicle is a van; the base is fixed on the roof, and the first rotating unit 21 is arranged on the base 11 through a bearing; the second rotating unit 22 is mounted on the first rotating unit 21 through a bearing, and an included angle between a rotating axis of the first rotating unit 21 and a rotating axis of the second rotating unit 22 is a right angle; the driving units 31 to 32 adopt motors, are fixed on the base and drive the first rotating unit to rotate; the second rotating unit is also fixed on the first rotating unit and drives the second rotating unit to rotate;
the light receiving unit 51 adopts a telescope unit, so that the light receiving capacity is improved; the telescope unit is fixed on the second rotating unit, output light is coupled into the first end of the optical fiber, and the second end of the optical fiber is positioned in the vehicle; the included angle between the main optical axis of the telescope and the rotating axis of the second rotating unit is a right angle;
the detection device is arranged in a vehicle and comprises a shell, a light splitting component, a detector and an analysis unit, wherein the shell is provided with a slit, and the other end of the optical fiber is positioned on the outer side of the shell and is adjacent to the slit; the light splitting component adopts a grating, and the detector adopts a linear array photoelectric sensor; the light incident from the slit is received by the detector after being dispersed by the light-splitting component; the analysis unit analyzes the output signal of the detector by using the DOAS technology to obtain SO in different directions in the atmosphere2And NO2The analytical unit is prior art in the field;
the storage battery, the display unit, the signal transmitting unit and the signal receiving unit are arranged in the vehicle, and the positioning unit is arranged outside the vehicle, so that the corresponding relation between monitoring data and places is established;
lidar for detecting particulate matter in the atmosphere, having a carrier at a roof inner wall inside a vehicle, the carrier comprising:
the fixing seat is suitable for bearing the laser radar;
the bearing seat is arranged on the lower side of the fixed seat;
the shock absorbers, such as steel wire rope shock absorbers, are arranged between the fixed seat and the bearing seat;
the upper end of the frame piece is fixedly connected with the inner wall of the roof, and the lower end of the frame piece is connected with the bearing seat; the laser radar, the fixed seat and the shock absorber are arranged in an area enclosed by the frame member and the bearing seat; the frame member includes: the bottom ends of at least three vertical members are fixed on the bearing seat, and the upper ends of the vertical members are fixed on the inner wall of the roof, so that the whole bearing device is hung in a vehicle; the reinforcing members are inclined or horizontal and connect the adjacent vertical members;
a plurality of cushioning members disposed on the frame member and within the area, in particular captured between the frame member and the lidar, to prevent a sharp impact between the lidar and the frame member; the buffer piece is arranged on the reinforcing piece;
the supporting piece is arranged on the bearing seat and supports the fixed seat; the supporting piece is a supporting rod which penetrates through the fixed seat and is propped against the bearing seat, and the adjusting piece is a through hole which is arranged on the fixed seat and is suitable for the supporting rod to penetrate through and is provided with an internal thread and an external thread of the supporting rod matched with the internal thread; or the supporting piece is a supporting rod which is propped against the fixed seat, and the adjusting piece is a supporting seat which is arranged on the bearing seat and is suitable for the supporting rod to pass through and is provided with a through hole with an internal thread and an external thread of the supporting rod matched with the internal thread; or the supporting piece is a supporting rod which penetrates through the through hole of the fixed seat and is propped against the bearing seat, and the adjusting piece is a nut which is arranged on the supporting rod and is matched with the external thread of the supporting rod;
an adjusting member (not shown) that adjusts the length of the support member between the carrier and the holder.
The working mode of the monitoring system is as follows:
the monitoring personnel move the vehicle to a monitoring place according to the monitoring instruction received by the signal receiving unit;
the first rotating unit and the second rotating unit rotate under the drive of the motor, the light receiving units respectively receive light in all directions, then the light is transmitted to the crack of the shell through the optical fiber, and the light entering the shell passes through the crackThe grating is received by a detector after light splitting, and SO in each direction in the atmosphere is obtained after analysis2And NO2The three-dimensional monitoring is realized;
the gas content and the position information are sent out by a signal transmitting unit.
Example 3:
according to the utility model discloses embodiment 1 vehicular SO2And NO2Application example of the three-dimensional distribution monitoring system.
The difference from example 2 is:
the roof has an optical window, such as a through hole or a setting glass; as shown in fig. 2, a first reflecting mirror 61 is fixed in the first rotating unit 21, a second reflecting mirror 62 is fixed in the second rotating unit 22, the first reflecting mirror 61 and the second reflecting mirror 62 are arranged in parallel, and an included angle between a rotation axis of the first rotating unit 21 and the first reflecting mirror 61 is 45 degrees; the light received by the light receiving unit 51 is reflected by the second reflecting mirror 62 and the first reflecting mirror 61 in this order, and then enters the housing after passing through the optical window and the slit in this order.
Example 4:
according to the utility model discloses embodiment 1 vehicular SO2And NO2Application example of the three-dimensional distribution monitoring system.
The difference from example 3 is: the reflected light on the first mirror is coupled into the optical fiber and transmitted to the slit of the housing.
In the present application, "on-vehicle" is not limited to the upper part of the vehicle, but may be in the interior of the vehicle as long as it can be carried by the vehicle.
Claims (10)
1. Vehicle-mounted SO2And NO2Three-dimensional distribution monitoring system, vehicle-mounted SO2And NO2The three-dimensional distribution monitoring system comprises a vehicle and a detection device, wherein the detection device is used for detecting SO in the atmosphere2And NO2(ii) a The method is characterized in that: the vehicle-mounted SO2And NO2The three-dimensional distribution monitoring system further includes:
a base disposed on a roof of the vehicle;
a first rotation unit rotatably provided on the base;
a second rotation unit rotatably provided on the first rotation unit; the included angle between the rotating axis of the second rotating unit and the rotating axis of the first rotating unit is an acute angle or a right angle;
the driving unit drives the first rotating unit to rotate relative to the base and drives the second rotating unit to rotate relative to the first rotating unit;
and the light receiving unit is fixed on the second rotating unit, and the output signal is sent to the detection device.
2. Vehicle-mounted SO according to claim 12And NO2Three-dimensional distribution monitoring system, its characterized in that: the monitoring system further comprises:
the first rotating unit is arranged on the base through a bearing, and the second rotating unit is arranged on the first rotating unit through a bearing.
3. Vehicle-mounted SO according to claim 12And NO2Three-dimensional distribution monitoring system, its characterized in that: the driving unit adopts a motor.
4. Vehicle-mounted SO according to claim 12And NO2Three-dimensional distribution monitoring system, its characterized in that: the light received by the light receiving unit is coupled into one end of an optical fiber, and the other end of the optical fiber is connected with the detection device.
5. Vehicle-mounted SO according to claim 42And NO2Three-dimensional distribution monitoring system, its characterized in that: the detection device includes:
the shell is provided with a slit, and the other end of the optical fiber is positioned at the outer side of the shell and is adjacent to the slit;
the light incident from the slit is received by the detector after being split by the light splitting component;
an analysis unit for analyzing the output signal of the detector by using DOAS technology to obtain SO in different directions in the atmosphere2And NO2The content of (a).
6. Vehicle-mounted SO according to claim 52And NO2Three-dimensional distribution monitoring system, its characterized in that: the monitoring system further comprises:
the storage battery is arranged in the vehicle and supplies power to the driving unit and the detection device;
a positioning unit disposed on the vehicle.
7. Vehicle-mounted SO according to claim 62And NO2Three-dimensional distribution monitoring system, its characterized in that: the monitoring system further comprises:
the signal transmitting unit is used for transmitting the data of the detection device and the positioning unit to a server;
a signal receiving unit to receive an instruction.
8. Vehicle-mounted SO according to claim 12And NO2Three-dimensional distribution monitoring system, its characterized in that: the monitoring system further comprises:
a first light reflecting device provided in the first rotating unit;
the second light reflection device is arranged in the second rotation unit, the light received by the light receiving unit is reflected by the second light reflection device and the first light reflection device in sequence, and the detection device receives the reflected light on the first light reflection device.
9. Vehicle-mounted SO according to claim 82And NO2Three-dimensional distribution monitoring system, its characterized in that: the first light reflecting device and the second light reflecting device are arranged in parallel.
10. Vehicle-mounted SO according to claim 82And NO2Three-dimensional distribution monitoring system, its characterized in that: the vehicle having an optical window through which the reflected light passes; the detection device is disposed within the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020178749.6U CN211825665U (en) | 2020-02-17 | 2020-02-17 | Vehicle-mounted SO2And NO2Three-dimensional distribution monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020178749.6U CN211825665U (en) | 2020-02-17 | 2020-02-17 | Vehicle-mounted SO2And NO2Three-dimensional distribution monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211825665U true CN211825665U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020178749.6U Active CN211825665U (en) | 2020-02-17 | 2020-02-17 | Vehicle-mounted SO2And NO2Three-dimensional distribution monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211825665U (en) |
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2020
- 2020-02-17 CN CN202020178749.6U patent/CN211825665U/en active Active
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