Ambient air sampling device
Technical Field
The utility model relates to the technical field of environmental monitoring, in particular to an ambient air sampling device.
Background
The existing air sampling is mostly manual sampling, in some complex or severe environments, personnel are inconvenient to enter, limitation is brought to the air sampling, air is inconvenient to collect, and when the air is collected, only a certain place is collected, so that the collection range is not comprehensive.
Through retrieving, chinese patent application number 202120825874.6's patent discloses an ambient air waste gas collection sampling device, including the base, a plurality of support column fixedly connected with mount pad are passed through on base upper portion, install moving mechanism on the mount pad, have seted up annular spout on the mount pad, slidable mounting has the movable rod in the annular spout, and movable rod upper portion cover is equipped with collection device, and collection device includes the collecting bottle, and the collecting bottle lower part is provided with the connecting cylinder, and the connecting cylinder is pegged graft with the movable rod and is cooperated, and the collecting bottle bottleneck end is connected with the air inlet piece. The above patent suffers from the following disadvantages: when the device is used for sampling air, only one collecting bottle is provided, and the device can not sample a plurality of places, so that the data is less comprehensive.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an ambient air sampling device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an ambient air sampling device, includes collection subassembly, lifting unit and removal subassembly, collection subassembly includes fixed plate, sample bucket, pipeline, first gas holder and second gas holder are located the fixed plate bottom, the sample bucket is located the fixed plate top, is connected through the pipeline, the check valve is installed to first gas holder and second gas holder entrance, the inside welding of sample bucket has the backup pad, backup pad one side rotates and is connected with the lead screw, lead screw outer surface threaded connection has screw nut, screw nut one side welding has the connecting rod, connecting rod one end threaded connection has the piston, sample bucket one end has the motor through bolted connection, and the motor output is connected with the lead screw, first solenoid valve is installed to pipeline top one side, the second solenoid valve is installed to the pipeline opposite side, the intake pipe is installed at the sample bucket top.
As still further aspects of the utility model: the lifting assembly comprises a bottom plate, a lifting rod sleeve and a lifting rod, wherein the lifting rod sleeve is fixed on the upper surface of the bottom plate through bolts, the lifting rod is slidably connected inside the lifting rod sleeve, and one end of the lifting rod is connected with the fixing plate.
As still further aspects of the utility model: the movable assembly comprises a wheel frame and wheels, the wheel frame is welded at the bottom of the bottom plate, the wheels are rotatably connected inside the wheel frame, and the wheels drive the bottom plate to move under remote control.
As still further aspects of the utility model: and one end of the bottom of the first air storage tank is connected with an exhaust pipe in a sealing way, and a control valve is arranged in the middle of the exhaust pipe.
As still further aspects of the utility model: the camera is connected with the bottom plate through threads.
As still further aspects of the utility model: and a storage battery is arranged on the upper surface of the bottom plate.
As still further aspects of the utility model: the filter screen is arranged in the air inlet pipe.
As still further aspects of the utility model: and one end of the upper surface of the bottom plate is provided with a handle.
The beneficial effects of the utility model are as follows:
1. the screw rod is driven to rotate through the rotation of the motor, the screw rod nut drives the piston to reciprocate through the connecting rod, the air extraction is achieved, the second electromagnetic valve is closed when the first air storage tank is collected, the air can only enter the first air storage tank, and similarly, the first electromagnetic valve is closed when the second air storage tank is collected. Thereby realizing the collection of gases at different positions.
2. Through the lifter installed on the upper surface of the bottom plate, the gas with different heights can be conveniently collected.
3. Through at intake pipe internally mounted filter screen, can prevent that the foreign matter from getting into the intake pipe inside, through at blast pipe mid-mounting control valve, can be convenient for control gas discharge.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an ambient air sampling device according to the present utility model;
FIG. 2 is a schematic view illustrating an internal structure of an ambient air sampling device according to the present utility model;
FIG. 3 is a schematic view of an embodiment of an ambient air sampling device according to the present utility model;
fig. 4 is a schematic structural diagram of the bottom of an ambient air sampling device according to the present utility model.
In the figure: 1-bottom plate, 2-lifting rod sleeve, 3-lifting rod, 4-handle, 5-battery, 6-first gas holder, 7-fixed plate, 8-motor, 9-sample bucket, 10-first solenoid valve, 11-filter screen, 12-intake pipe, 13-second solenoid valve, 14-pipeline, 15-check valve, 16-second gas holder, 17-lead screw nut, 18-lead screw, 19-backup pad, 20-connecting rod, 21-piston, 22-blast pipe, 23-control valve, 24-bracing piece, 25-camera, 26-wheel carrier, 27-wheel.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
Example 1
An ambient air sampling device, as shown in fig. 1-4, comprising:
the device comprises a collecting assembly, a lifting assembly and a moving assembly;
the collecting assembly comprises a fixing plate 7, a sampling bucket 9, a pipeline 14, a first air storage tank 6 and a second air storage tank 16, wherein the first air storage tank 6 and the second air storage tank 16 are located at the bottom of the fixing plate 7, the sampling bucket 9 is located at the top of the fixing plate 7 and connected through the pipeline 14, a one-way valve 15 is installed at the inlet of the first air storage tank 6 and the second air storage tank 16, a supporting plate 19 is welded inside the sampling bucket 9, one side of the supporting plate 19 is rotationally connected with a lead screw 18, the outer surface of the lead screw 18 is in threaded connection with a lead screw nut 17, one side of the lead screw nut 17 is welded with a connecting rod 20, one end of the connecting rod 20 is in threaded connection with a piston 21, one end of the sampling bucket 9 is connected with a motor 8 through a bolt, the output end of the motor 8 is connected with the lead screw 18, a first electromagnetic valve 10 is installed at one side of the top of the pipeline 14, a second electromagnetic valve 13 is installed at the other side of the pipeline 14, and an air inlet pipe 12 is installed at the top of the sampling bucket 9.
When the device is used, the motor 8 rotates to drive the screw rod 18 to rotate, the screw rod nut 17 drives the piston 21 to reciprocate through the connecting rod 20, so that air is extracted, when the first air storage tank 6 is collected, the second electromagnetic valve 13 is closed, so that air can only enter the first air storage tank 6, and similarly, when the second air storage tank 16 is collected, the first electromagnetic valve 10 is closed. Thereby realizing the collection of gases at different positions.
To facilitate collection of gases at different heights; as shown in fig. 1, the lifting assembly comprises a bottom plate 1, a lifting rod sleeve 2 and a lifting rod 3, wherein the lifting rod sleeve 2 is fixed on the upper surface of the bottom plate 1 through bolts, the lifting rod 3 is slidably connected inside the lifting rod sleeve 2, and one end of the lifting rod 3 is connected with a fixing plate 7.
By installing the lifting rod 3 on the upper surface of the bottom plate 1, the gas with different heights can be conveniently collected.
To facilitate movement of the device; as shown in fig. 4, the moving assembly includes a wheel frame 26 and wheels 27, the wheel frame 26 is welded to the bottom of the base plate 1, the wheels 27 are rotatably connected to the inside of the wheel frame 26, and the wheels 27 drive the base plate 1 to move under remote control.
To prevent foreign matter from entering the intake pipe 12; as shown in fig. 1, the filter screen 11 is installed inside the air inlet pipe 12.
By installing the screen 11 inside the intake pipe 12, foreign substances can be prevented from entering the inside of the intake pipe 12.
To facilitate the evacuation of the gas; as shown in fig. 3, one end of the bottom of the first air storage tank 6 is connected with an exhaust pipe 22 in a sealing manner, and a control valve 23 is installed in the middle of the exhaust pipe 22.
By installing the control valve 23 in the middle of the exhaust pipe 22, the gas discharge can be controlled easily.
To facilitate viewing of the device travel path; as shown in fig. 3, a supporting rod 24 is screwed on one side of the upper surface of the base plate 1, and a camera 25 is screwed on the top of the supporting rod 24.
By mounting the camera 25 on the upper surface of the base plate 1, it is possible to facilitate observation of the travel route of the device.
To facilitate powering of the wheels 27; as shown in fig. 1, a battery 5 is mounted on the upper surface of the base plate 1.
By mounting the battery 5 on the upper surface of the floor panel 1, the power to the wheels 27 can be facilitated.
Working principle: when the device is used, the motor 8 rotates to drive the screw rod 18 to rotate, the screw rod nut 17 drives the piston 21 to reciprocate through the connecting rod 20, so that air is extracted, when the first air storage tank 6 is collected, the second electromagnetic valve 13 is closed, so that air can only enter the first air storage tank 6, and similarly, when the second air storage tank 16 is collected, the first electromagnetic valve 10 is closed. Thereby realizing the collection of gases at different positions.
Example 2
In order to facilitate manual control of the device, referring to fig. 1, an ambient air sampling device is modified from embodiment 1 in this embodiment, in which a handle 4 is mounted at one end of the upper surface of the base plate 1.
By attaching a handle 4 to one end of the upper surface of the base plate 1, the manual control device can be facilitated.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.