阅读说明：本技术 大气污染检测设备 (Atmospheric pollution detection equipment ) 是由 周浪 喻晓峰 于 2020-12-18 设计创作，主要内容包括：本发明涉及环境检测技术领域,具体为大气污染检测设备,包括箱体,箱体内设置有检测仪,检测仪顶部竖直设置有若干检测杆,检测杆顶端设置有检测头和抽气泵,检测杆外滑动套设有采样管,箱体内设置有驱动机构,驱动机构用于驱动采样管升降,每个采样管上升的高度不同。本发明能够解决现有技术中的检测设备只能对同一高度的空气进行检测的问题。(The invention relates to the technical field of environmental detection, in particular to atmospheric pollution detection equipment which comprises a box body, wherein a detector is arranged in the box body, a plurality of detection rods are vertically arranged at the top of the detector, a detection head and an air suction pump are arranged at the top ends of the detection rods, sampling pipes are slidably sleeved outside the detection rods, a driving mechanism is arranged in the box body and used for driving the sampling pipes to lift, and the lifting heights of the sampling pipes are different. The invention can solve the problem that the detection equipment in the prior art can only detect the air at the same height.)

1. Atmospheric pollution check out test set, its characterized in that: including the box, be provided with the detector in the box, the vertical a plurality of measuring sticks that are provided with in detector top, the measuring stick top is provided with detects head and aspiration pump, and the measuring stick slides the cover outward and is equipped with the sampling pipe, is provided with actuating mechanism in the box, and actuating mechanism is used for driving the sampling pipe and goes up and down, and the height that every sampling pipe rose is different.

2. The atmospheric pollution detection device of claim 1, wherein: the driving mechanism comprises a worm, a rack is arranged on each sampling pipe along the length direction of the sampling pipe, each rack is meshed with a worm wheel, each worm wheel is meshed with the worm, and the diameter of each worm wheel is different.

3. The atmospheric pollution detection device of claim 2, wherein: the top end of the detection rod is provided with a piston which is connected in the sampling tube in a sliding manner, and the detection head and the air pump are arranged on the piston.

4. The atmospheric pollution detection device of claim 3, wherein: a filtering mechanism is arranged in the top end of the sampling pipe and used for filtering gas after detection is finished.

5. The atmospheric pollution detection device of claim 4, wherein: the filtering mechanism comprises a supporting net, a filtering cavity is formed between the supporting net and the top end of the sampling pipe, a filtering medium is arranged in the filtering cavity, an exhaust hole communicated with the filtering cavity is formed in the top end of the sampling pipe, and a one-way exhaust valve exhausting towards the outside of the sampling pipe is arranged in the exhaust hole; an air inlet pipe is fixed on the supporting net, two ends of the air inlet pipe are respectively positioned below the supporting net and outside the sampling pipe, and one end of the air inlet pipe positioned below the supporting net is provided with a one-way air inlet valve for air inlet towards the inside of the sampling pipe.

6. Atmospheric pollution detection apparatus as claimed in claim 5, wherein: the filter medium is active carbon, and a material changing door is arranged on the side wall of the filter cavity.

Technical Field

The invention relates to the technical field of environmental detection, in particular to atmospheric pollution detection equipment.

Background

Along with the improvement of the quality of life of people and the development of social economy, the discharge amount of wastes such as household garbage, industrial garbage, tail gas and the like is increased, and at present, a lot of wastes are not well treated and utilized, so that a large amount of wastes are directly discharged in the environment, the atmosphere is influenced, and serious atmospheric pollution is caused.

At present, detection equipment is mostly adopted for detecting air pollution, and the quality and the pollution degree of the air are judged by detecting the proportion of each component in the air. The detection equipment in the prior art can only detect the air with the same height generally, and has small detection range and insufficient detection precision. In addition, the existing detection equipment has fixed volume, cannot be folded and is inconvenient to carry and transport.

Disclosure of Invention

The invention aims to provide air pollution detection equipment to solve the problem that the detection equipment in the prior art can only detect air at the same height.

In order to achieve the purpose, the invention provides the following technical scheme:

atmosphere pollution check out test set, including the box, be provided with the detector in the box, the vertical a plurality of measuring poles that are provided with in detector top, the measuring pole top is provided with detects head and aspiration pump, and the measuring pole outer sliding sleeve is equipped with the sampling pipe, is provided with actuating mechanism in the box, and actuating mechanism is used for driving the sampling pipe and goes up and down, and the height difference that every sampling pipe rose.

The principle and the beneficial effect of the scheme are as follows:

the box is used for installing parts such as detector, and the test rod is used for installing and supporting the sampling pipe, and actuating mechanism is used for driving the sampling pipe to go up and down, and after the sampling pipe rised the target position, it was intraductal to start the aspiration pump and take out the atmosphere to the sampling, realizes the sampling. The air detection is realized by analyzing the ratio of each component of the air in the sampling pipe through the detection head. Because the lifting height of each sampling pipe is different, the scheme can sample the atmosphere at different positions and heights. After the detection is finished, the sampling tube is withdrawn, the detection rod slides in the sampling tube, the atmosphere in the sampling tube can be extruded out, and the automatic emission of the atmosphere is realized. When the scheme is not used, the sampling tube can be retracted into the box body, so that the sampling tube can be protected on one hand; on the other hand, compare with the fixed check out test set of sampling pipe structure among the prior art, can also reduce the volume of whole device after withdrawing the sampling pipe, portable and transportation.

Further, actuating mechanism includes the worm, all is provided with the rack along its length direction on every sampling pipe, and every rack all meshes has the worm wheel, and every worm wheel all meshes with the worm, and the diameter of every worm wheel is different.

Has the advantages that: the worm rotates to drive the worm wheel to rotate, so that the rack can be driven to lift, all the sampling tubes are driven to lift, the structure is simple, the operation is convenient, each sampling tube does not need to be driven independently, and power resources are saved; because the diameter of each worm wheel is different, the rotational speed of the worm wheel is different, so the distance that each rack moves is different, and the height that the sampling pipe goes up and down is then different.

Furthermore, a piston is arranged at the top end of the detection rod and is connected in the sampling tube in a sliding mode, and the detection head and the air pump are arranged on the piston.

Has the advantages that: set up the piston and can improve the sealing performance of being connected of test rod and sampling pipe, avoid the atmosphere to reveal, simultaneously also can be better detect the back of finishing with the atmosphere discharge.

Further, be provided with filtering mechanism in the sampling pipe top, filtering mechanism is used for filtering gas after detecting and finishing.

Has the advantages that: the filtering mechanism is arranged to filter the atmosphere and then discharge the filtered atmosphere, so that the environment can be improved, and pollution is avoided.

Further, the filtering mechanism comprises a supporting net, a filtering cavity is formed between the supporting net and the top end of the sampling pipe, a filtering medium is arranged in the filtering cavity, an exhaust hole communicated with the filtering cavity is formed in the top end of the sampling pipe, and a one-way exhaust valve exhausting towards the outside of the sampling pipe is arranged in the exhaust hole; an air inlet pipe is fixed on the supporting net, two ends of the air inlet pipe are respectively positioned below the supporting net and outside the sampling pipe, and one end of the air inlet pipe positioned below the supporting net is provided with a one-way air inlet valve for air inlet towards the inside of the sampling pipe.

Has the advantages that: during sampling, atmosphere can only enter the sampling pipe through the air inlet pipe and cannot pass through the filter cavity, so that the atmosphere is prevented from being filtered to influence detection; during the exhaust, the atmosphere can only pass through the filter chamber and then be discharged from the exhaust hole, so that the atmosphere can be filtered and then discharged.

Furthermore, the filter medium is active carbon, and a material changing door is arranged on the side wall of the filter cavity.

Has the advantages that: the active carbon can adsorb harmful particles in the atmosphere and effectively filter the atmosphere, and the material is good and low in cost; the material changing door is used for changing the active carbon.

Drawings

FIG. 1 is a longitudinal cross-sectional view of an embodiment of the present invention;

FIG. 2 is a left side view of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a of fig. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a detection head 1, a piston 2, a sampling pipe 3, an opening 4, a worm 5, a detection rod 6, a box body 7, a detector 8, a worm wheel 9, a rack 10, a one-way air inlet valve 11, a filter cavity 12, an air inlet pipe 13, a one-way exhaust valve 14 and a support net 15.

Examples

As shown in fig. 1, the atmospheric pollution detection device comprises a box body 7, an opening 4 is formed at the top of the box body 7, and a cover body (not shown in the figure) for closing the opening 4 is hinged at the opening 4. Install detector 8 in the box 7, the detector 8 top is fixed with a plurality of vertical check rod 6 through the bolt, and the quantity of check rod 6 is three in this embodiment. Three measuring rod 6 is all slided the cover outward and is equipped with sampling tube 3, and 6 tops of three measuring rod all glue and be fixed with piston 2, and piston 2 sliding connection installs miniature aspiration pump (not shown in the figure) on the piston 2 in sampling tube 3. The air detector in this embodiment adopts the air detector among the prior art, and the first 1 cementing of detection of detector 8 is fixed on piston 2, detects first 1 and is connected with detector 8 electricity, and the inside cavity of test rod 6 is used for holding the connecting wire of detecting first 1 and detector 8.

As can be known from the figure 2, a driving mechanism for driving the sampling tube 3 to ascend and descend is installed in the box body 7, the driving mechanism comprises a worm 5, one end of the worm 5 is rotatably connected to the inner wall of the box body 7, the other end of the worm 5 is connected with a motor (not shown in the figure), and the motor is installed on the inner wall of the box body 7. All there is rack 10 through the bolt fastening on every sampling pipe 3, and rack 10 sets up along the length direction of sampling pipe 3. The rear side of each rack 10 is engaged with a worm wheel 9, a worm wheel frame is fixed in the box body 7 through bolts, and the worm wheels 9 are rotatably arranged on the worm wheel frames. Each worm wheel 9 meshes with the worm 5, and the diameter of each worm wheel 9 is different.

As can be known from the figure 3, a filtering mechanism is installed in the top end of each sampling tube 3, the filtering mechanism comprises a supporting net 15, and the supporting net 15 is fixed in the sampling tube 3 through bolts. A filter cavity 12 is formed between the supporting net 15 and the top end of the sampling tube 3, the filter cavity 12 is filled with a filter medium, in this embodiment, the filter medium is activated carbon, and a material changing door (not shown in the figure) is installed on the side wall of the filter cavity 12. The top end of the sampling pipe 3 is provided with an exhaust hole communicated with the filter cavity 12, and a one-way exhaust valve 14 for exhausting air towards the outside of the sampling pipe 3 is arranged in the exhaust hole. There is intake pipe 13 through the bolt fastening on the supporting network 15, the vertical setting of intake pipe 13, outside the top of intake pipe 13 is located sampling pipe 3, the bottom of intake pipe 13 is located supporting network 15 below, and the one-way admission valve 11 of admitting air in the sampling pipe 3 is installed to intake pipe 13 bottom.

The specific implementation process is as follows:

when this scheme does not use, sampling pipe 3 is located box 7, and the lid seals opening 4, so can avoid the part in the box 7 to be contaminated and damage.

During detection, the starting motor drives the worm 5 to rotate, the worm 5 drives the three worm wheels 9 to rotate, and the three worm wheels 9 drive the three racks 10 to move upwards, so that the three sampling tubes 3 are driven to move upwards. Because the diameter of three worm wheel 9 is different, so the rotational speed of three worm wheel 9 is different, and the speed that three sampling pipe 3 moved up is just also different, consequently can make three sampling pipe 3 rise to different heights in the same time, samples the atmosphere of different height positions, has enlarged sampling range.

After the sampling tube 3 moves up to the target position, the motor is turned off, and the sampling tube 3 stops moving up. And starting a suction pump to pump the atmosphere into the three sampling pipes 3, thereby realizing sampling. The detection head 1 analyzes the types of the respective components, the proportions, and the like of the atmosphere in the sampling tube 3, thereby completing the detection of the atmosphere.

During sampling, because the exhaust hole is provided with the one-way exhaust valve 14, the atmosphere can only enter the sampling pipe 3 from the air inlet pipe 13, and the atmosphere can not contact with the activated carbon in the filter cavity 12, so the atmosphere can not be filtered, and the detection data and the detection result can not be influenced.

After the detection finishes, the starting motor drives the worm 5 to rotate reversely, so that the sampling tube 3 is driven to descend and reset through the worm wheel 9 and the rack 10, and the sampling tube 3 is contained in the box body 7, so that the carrying and the transportation are convenient.

In the process that sampling pipe 3 resets, piston 2 shifts up in sampling pipe 3, can outwards extrude the atmosphere in sampling pipe 3 to automatic atmospheric discharge. Because the air inlet pipe 13 is provided with the one-way air inlet valve 11, the atmosphere can not enter the air inlet pipe 13, the atmosphere can only pass through the supporting net 15 and enter the filter cavity 12, the atmosphere is contacted with the activated carbon, and harmful particles and substances in the atmosphere are absorbed and then discharged from the exhaust hole, so that the atmosphere is filtered, and the environment pollution after the atmosphere is discharged is avoided.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.