CN211206160U - Atmospheric particulates detection device based on β ray method - Google Patents
Atmospheric particulates detection device based on β ray method Download PDFInfo
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- CN211206160U CN211206160U CN201922295016.0U CN201922295016U CN211206160U CN 211206160 U CN211206160 U CN 211206160U CN 201922295016 U CN201922295016 U CN 201922295016U CN 211206160 U CN211206160 U CN 211206160U
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Abstract
The utility model relates to an atmospheric particulates detection device based on β ray method, the device comprises a device body, tripod and handle, the device body is including detecting the box, the handle is fixed on the upper side board that detects the box, the bottom of each landing leg of tripod is provided with the walking wheel.
Description
Technical Field
The utility model relates to an atmospheric particulates detection device based on β ray method.
Background
The β ray method is a detection method based on radiation attenuation, energy is attenuated when β rays pass through filter paper collecting particulate matters, detection values before and after energy attenuation are detected through a detector, the concentration of the particulate matters can be calculated, the particulate matters are required to be measured by using a β ray method while the particulate matters are collected, and the existing atmospheric particulate matter detection device based on the β ray method is heavy, inconvenient to move, cannot be moved to a detected area to be detected according to actual needs, and is poor in portability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an atmospheric particulates detection device based on β ray method for solve the current relatively poor problem of portability based on the atmospheric particulates detection device of β ray method.
In order to solve the problem, the utility model relates to an atmospheric particulates detection device based on β ray method adopts following technical scheme:
an atmospheric particulate detection device based on an β ray method comprises a device body, a tripod and a handle;
the device body comprises a detection box body, the detection box body is of a cuboid structure, the handle is fixed on an upper side plate of the detection box body, a first air inlet is formed in a left side plate of the detection box body, a first air outlet is formed in a right side plate of the detection box body, a gas detection cavity, a gas inlet pipeline and a gas outlet pipeline are arranged in the detection box body, the gas detection cavity comprises a second air inlet, a cavity and a second air outlet, one end of the gas inlet pipeline is connected with the first air inlet, the other end of the gas inlet pipeline is connected with the second air inlet, one end of the gas outlet pipeline is connected with the first air outlet, the other end of the gas outlet pipeline is connected with the second air outlet, a first air pump and a first electromagnetic valve are arranged on the gas inlet pipeline, and a second electromagnetic valve and a second air pump;
the chamber is provided with β radioactive source, β radiation detector, and filter paper arranged between β radioactive source and β radiation detector;
the detection box body is internally provided with a controller, a wireless communication module and a lithium battery for supplying electric energy, a front side plate of the detection box body is provided with a touch screen and a power supply interface for accessing an external direct-current power supply, the power supply interface is connected with the β ray detector and the lithium battery through a power supply line, and the first air pump, the first electromagnetic valve, the second air pump, the β radioactive source, the β ray detector, the wireless communication module and the touch screen are electrically connected with the controller;
a first fixed block is fixed at the bottom end of the detection box body, a second fixed block is fixed at the top end of the tripod, a positioning cylindrical protrusion is arranged at the bottom end of the first fixed block, a cylindrical groove matched with the positioning cylindrical protrusion is formed in the top end of the second fixed block, the depth of the cylindrical groove is matched with the height of the positioning cylindrical protrusion, and the radius of the cylindrical groove is matched with the radius of the positioning cylindrical protrusion, so that when the first fixed block is placed on the second fixed block, the positioning cylindrical protrusion can be placed in the cylindrical groove, and the first fixed block and the second fixed block can be detachably connected;
and walking wheels are arranged at the bottoms of the supporting legs of the tripod.
Optionally, four angles of detecting the box bottom all are provided with and prevent falling the structure.
Optionally, the fall-resistant structure is a rubber block.
The utility model has the advantages as follows: the walking wheels are arranged at the bottom of the atmospheric particulate detection device, so that the atmospheric particulate detection device can move conveniently, can be moved to a detected area for detection according to actual needs, and is high in portability; the first fixing block and the second fixing block are detachably connected, so that the detection box body can be separated from the tripod when needed, the detection box body and the tripod are convenient to carry respectively, a lifting handle on the detection box body is convenient to move, and the portability is further improved; the reliable detection of the atmospheric particulates can be realized by controlling the first electromagnetic valve arranged on the air inlet pipeline and the second electromagnetic valve arranged on the air outlet pipeline; the gas circulation speed in the cavity can be accelerated through the first air pump and the second air pump, and the detection efficiency is improved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described as follows:
fig. 1 is a schematic structural diagram of an atmospheric particulate detection device based on an β ray method according to the present invention;
FIG. 2 is a schematic structural diagram of the inspection box of the present invention;
FIG. 3 is a schematic structural diagram of a first fixing block;
FIG. 4 is a schematic structural view of a second fixing block;
FIG. 5 is a schematic diagram of the structure of the gas detection chamber, inlet conduit and outlet conduit;
FIG. 6 is a cross-sectional view of the gas detection chamber;
fig. 7 is an electrical schematic diagram of the atmospheric particulates detection device based on the β ray method.
Detailed Description
In order to make the technical purpose, technical solutions and advantageous effects of the present invention clearer, the technical solutions of the present invention are further described below with reference to fig. 1 to 7 and specific embodiments.
The present embodiment provides an atmospheric particulate matter detection device based on the β ray method, which will be referred to as an atmospheric particulate matter detection device hereinafter.
The atmospheric particulates detection device comprises a device body, a handle 2 and a tripod 3, wherein the device body comprises a detection box body 1 as shown in figure 1. The detection box body 1 is of a cuboid structure and comprises an upper side plate, a lower side plate, a left side plate, a right side plate, a front side plate and a rear side plate. Handle 2 is fixed on the curb plate that detects box 1, and first air inlet 4 has been seted up to the left side board that detects box 1, and first gas outlet 5 has been seted up to the right side board that detects box 1, as shown in fig. 2, because the relation of visual angle, first air inlet 4 is drawn with the dotted line. The size of the first air inlet 4 and the specific position on the left side plate are determined by actual requirements; the size of the first air outlet 5 and the specific position on the right side plate are determined by actual requirements.
The front side plate of the detection box body 1 is provided with a touch screen 6 and a power interface 7 for accessing an external direct current power supply. The specific positions of the touch screen 6 and the power interface 7 on the front side plate of the detection box body 1 are not limited, and are set according to actual needs.
The bottom mounting that detects box 1 has first fixed block 8, and first fixed block 8 can be with the lower side plate welded fastening that detects box 1. In this embodiment, the first fixing block 8 is a cylindrical structure, and the height and the radius of the cylindrical structure are set according to actual needs. A second fixing block 9 is fixed at the top end of the tripod 3, and the second fixing block 9 can be welded and fixed with the top end of the tripod 3. In this embodiment, the second fixing block 9 is a cylindrical structure, and the height and the radius of the cylindrical structure are set according to actual needs. In this embodiment, the first fixing block 8 and the second fixing block 9 have the same shape, that is, the same height and radius. The first fixing block 8 and the second fixing block 9 may be both iron fixing blocks.
As shown in fig. 3, a positioning cylindrical protrusion 25 is disposed at the bottom end of the first fixing block 8, and for convenience of display, the upper and lower directions of fig. 3 are changed, in this embodiment, the positioning cylindrical protrusion 25 is disposed coaxially with the first fixing block 8. As shown in fig. 4, the top end of the second fixing block 9 is provided with a cylindrical groove 26, the positioning cylindrical protrusion 25 is matched with the cylindrical groove 26, i.e. the depth of the cylindrical recess 26 is adapted to the height of the positioning cylindrical protrusion 25 (where adapted means that the depth of the cylindrical recess 26 is equal to the height of the positioning cylindrical protrusion 25, or the depth of the cylindrical recess 26 is slightly greater than the height of the positioning cylindrical protrusion 25), the radius of the cylindrical recess 26 is adapted to the radius of the positioning cylindrical protrusion 25 (where adapted means that the radius of the cylindrical recess 26 is equal to the radius of the positioning cylindrical protrusion 25, or the radius of the cylindrical recess 26 is slightly greater than the radius of the positioning cylindrical protrusion 25), when the first fixing block 8 is placed on the second fixing block 9, the positioning cylindrical protrusion 25 can be placed in the cylindrical groove 26, and the first fixing block 8 and the second fixing block 9 can be detachably connected.
As shown in fig. 1, the bottom of each leg of tripod 3 is provided with road wheels 24.
As shown in fig. 5, a gas detection cavity 11, a gas inlet pipe and a gas outlet pipe are arranged in the detection box body 1, as shown in fig. 6, the gas detection cavity 11 comprises a second gas inlet 17, a chamber 16 and a second gas outlet 18, one end of the gas inlet pipe is connected with the first gas inlet 4, the other end of the gas inlet pipe is connected with the second gas inlet 17, one end of the gas outlet pipe is connected with the first gas outlet 5, and the other end of the gas outlet pipe is connected with the second gas outlet 18. As shown in fig. 5, the air inlet pipe is provided with a first air pump 12 and a first electromagnetic valve 13, and the air outlet pipe is provided with a second electromagnetic valve 14 and a second air pump 15. The volume and the operation power of the air pump are not only determined by the volume of the detection box 1 or the actual detection requirement.
As shown in FIG. 6, the chamber 16 is provided with β radioactive source 19, β ray detector 20 and filter paper 27 arranged between β 0 radioactive source 19 and β 1 ray detector 20. A specific structure of the gas detection chamber 11 is given below. as shown in FIG. 6, the gas detection chamber 11 is a rectangular parallelepiped structure, the chamber 16 is also a rectangular parallelepiped structure, the second gas inlet 17 is arranged on the left inner side wall, the second gas outlet 18 is arranged on the right inner side wall. the left inner side wall of the chamber 16 is also provided with a through hole whose position is not limited, the through hole is arranged above the second gas outlet 18 according to the actual situation, in this embodiment, the through hole of the left inner side wall is at the same height as the through hole of the right inner side wall, and corresponds to the through hole of the left inner side wall, the through hole of the chamber 16 is provided with a through hole 19 and β ray detector 20 on a straight line, β 4 and 6855 ray detector 20 are parallel to the transmission line of the chamber 16, the through hole is at the same height as the wiring space of the chamber 19, so that the through hole 19 is not in the room 16, the room 16 is in a through hole for the size of the radiation source 19, so that the radiation source 19 and the room 16, the room 16 is not only for the size of the radiation source 19, but the size of the radiation source 19 is in the room, so that the room, the size of the room, so that the room is not necessary size of the radiation source 19, the size of the room, the size of the room, the size of.
The controller 21, the wireless communication module 22 and the lithium battery 23 are arranged in the detection box 1, and the specific positions of the controller 21, the wireless communication module 22 and the lithium battery 23 in the detection box 1 are set according to actual conditions, the first air pump 12, the first electromagnetic valve 13, the second electromagnetic valve 14, the second air pump 15, the β radiation source 19, the β radiation detector 20, the wireless communication module 22 and the touch screen 6 are electrically connected with the controller 21, as shown in fig. 7, the power interface 7 is connected with the β radiation source 19 and/or the β radiation detector 20 through power supply lines and used for supplying power to the β radiation source 19 and/or the β radiation detector 20, of course, the power interface 7 can also supply power to connect other electric equipment, the lithium battery 23 is used for supplying power to each electric equipment of the atmospheric particulate matter detection device, fig. 7 takes the example of power supply connection with the controller 21.
In addition, as shown in fig. 1, four corners of the bottom end of the detection box 1 are provided with anti-falling structures 10. Further, the fall-preventing structure 10 is a rubber block. Because the lower side plate of the detection box body 1 is rectangular, the detection box body has four corners, each corner is fixed with an anti-falling structure 10, and the anti-falling structures 10 can be directly adhered to the corners and can also be welded to the corners.
When gas detection is needed, the touch screen 6 is operated, or a wireless communication module 22 receives a remote control signal, the controller 21 controls the first electromagnetic valve 13 and the second electromagnetic valve 14 to be opened, then the first air pump 12 and the second air pump 15 are controlled to operate, the gas to be detected enters the chamber 16 through the air inlet pipeline, particulate matters in the gas to be detected are filtered on the filter paper 27, the β radiation source 19 emits β rays, the β ray detector 20 receives β rays, energy is attenuated when the β rays pass through the filter paper 27 with the collected particulate matters, the controller 21 calculates the concentration of the particulate matters according to a detection value of the energy attenuation detected by the β ray detector 20, the detected gas is discharged from the air outlet pipeline, the touch screen 6 can display particulate matter concentration data in the atmosphere in real time, and the wireless communication module 22 can upload the detected particulate matter concentration data.
It should be noted that, the principle and the technology of detecting atmospheric particulates based on β ray method belong to the prior art, and the present application protects the hardware structure of the atmospheric particulates detection device based on β ray method, and the principle and the technology of detecting atmospheric particulates based on β ray method that are not in the hardware structure.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating but not limiting the technical solution of the present invention, and any equivalent replacement and modification or partial replacement which do not depart from the spirit and scope of the present invention should be covered within the protection scope of the claims of the present invention.
Claims (3)
1. An atmospheric particulate detection device based on an β ray method is characterized by comprising a device body, a tripod and a handle;
the device body comprises a detection box body, the detection box body is of a cuboid structure, the handle is fixed on an upper side plate of the detection box body, a first air inlet is formed in a left side plate of the detection box body, a first air outlet is formed in a right side plate of the detection box body, a gas detection cavity, a gas inlet pipeline and a gas outlet pipeline are arranged in the detection box body, the gas detection cavity comprises a second air inlet, a cavity and a second air outlet, one end of the gas inlet pipeline is connected with the first air inlet, the other end of the gas inlet pipeline is connected with the second air inlet, one end of the gas outlet pipeline is connected with the first air outlet, the other end of the gas outlet pipeline is connected with the second air outlet, a first air pump and a first electromagnetic valve are arranged on the gas inlet pipeline, and a second electromagnetic valve and a second air pump;
the chamber is provided with β radioactive source, β radiation detector, and filter paper arranged between β radioactive source and β radiation detector;
the detection box body is internally provided with a controller, a wireless communication module and a lithium battery for supplying electric energy, a front side plate of the detection box body is provided with a touch screen and a power supply interface for accessing an external direct-current power supply, the power supply interface is connected with the β ray detector and the lithium battery through a power supply line, and the first air pump, the first electromagnetic valve, the second air pump, the β radioactive source, the β ray detector, the wireless communication module and the touch screen are electrically connected with the controller;
a first fixed block is fixed at the bottom end of the detection box body, a second fixed block is fixed at the top end of the tripod, a positioning cylindrical protrusion is arranged at the bottom end of the first fixed block, a cylindrical groove matched with the positioning cylindrical protrusion is formed in the top end of the second fixed block, the depth of the cylindrical groove is matched with the height of the positioning cylindrical protrusion, and the radius of the cylindrical groove is matched with the radius of the positioning cylindrical protrusion, so that when the first fixed block is placed on the second fixed block, the positioning cylindrical protrusion can be placed in the cylindrical groove, and the first fixed block and the second fixed block can be detachably connected;
and walking wheels are arranged at the bottoms of the supporting legs of the tripod.
2. The atmospheric particulate detection device based on β ray method of claim 1, wherein the detection box bottom end is provided with anti-falling structures at each of four corners.
3. The β -ray-based atmospheric particulate detection device of claim 2, wherein the anti-falling structure is a rubber block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922295016.0U CN211206160U (en) | 2019-12-19 | 2019-12-19 | Atmospheric particulates detection device based on β ray method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922295016.0U CN211206160U (en) | 2019-12-19 | 2019-12-19 | Atmospheric particulates detection device based on β ray method |
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| Publication Number | Publication Date |
|---|---|
| CN211206160U true CN211206160U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922295016.0U Active CN211206160U (en) | 2019-12-19 | 2019-12-19 | Atmospheric particulates detection device based on β ray method |
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| CN (1) | CN211206160U (en) |
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