CN210626143U - A portable air pocket sampling case for VOC sampling - Google Patents
A portable air pocket sampling case for VOC sampling Download PDFInfo
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- CN210626143U CN210626143U CN201921431974.XU CN201921431974U CN210626143U CN 210626143 U CN210626143 U CN 210626143U CN 201921431974 U CN201921431974 U CN 201921431974U CN 210626143 U CN210626143 U CN 210626143U
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- air inlet
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- placing
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Abstract
The utility model discloses a portable air pocket sampling case for VOC sampling. The box cover is rotatably connected with the box body through a hinge; the box body is internally provided with a collecting air bag, an air exhaust device, an air inlet device and an air pressure detection device; the air collecting bag is provided with three pipeline interfaces which are respectively communicated with an air inlet end of the air suction device, an air outlet end of the air inlet device and a detection end of the air pressure detection device through pipelines. This technical scheme is gathered the sample through gathering the air pocket, convenient operation.
Description
Technical Field
The utility model belongs to the collection box field particularly, is a portable air pocket sampling box for VOC sampling.
Background
Gas detection and sampling is generally carried out in departments of environmental protection, sanitation, labor, security inspection, military officers, scientific research, education and the like or data collection, wherein the gas detection and sampling comprises the sampling of pollution source waste gas and excessively-heavy volatile organic compounds, the gas detection and sampling needs to be designed according to the above conditions, and a collection box convenient to carry and use is manufactured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a overcome among the prior art not enough a portable air pocket sampling case for VOC sampling. In order to realize the technical purpose, the utility model discloses a technical scheme as follows:
a portable air bag sampling box for VOC sampling comprises a box body and a box cover, wherein the box cover is rotatably connected with the box body through a hinge;
the box body is internally provided with a collecting air bag, an air exhaust device, an air inlet device and an air pressure detection device;
the air collecting bag is provided with three pipeline interfaces which are respectively communicated with an air inlet end of the air suction device, an air outlet end of the air inlet device and a detection end of the air pressure detection device through pipelines.
By adopting the technical scheme, the acquisition air bag can adopt an aluminum film bag, the air exhaust device can adopt a suction pump, the air inlet device can adopt a vent pump, three pipeline interfaces are arranged on the acquisition air bag, one pipeline interface is connected with the air pressure detection device, the other pipeline interface is connected with the air exhaust device, and the other pipeline interface is connected with the air inlet device; then open air inlet unit, will be detected gaseous full collection air pocket to detect the gas pressure in gathering the air pocket through atmospheric pressure detection device, prevent that too high pressure from causing the collection air pocket damaged, and cause the sampling failure, gather the sample through gathering the air pocket, convenient operation.
Further inject, air exhaust device and air inlet unit are all fixed and are located the bottom half, box opening part joint has the tray of placing, it is equipped with undercut to place the tray middle part for place the standing groove of gathering the air pocket, still be provided with the mounting hole that is used for placing atmospheric pressure detection device on the tray.
Further inject, the bottom half still is provided with the battery that is used for the power supply to air exhaust device and air inlet unit, and the battery improves the practicality convenience as the power.
Further inject, air inlet unit's inlet end has the collection air gun through the pipe connection, the collection end parcel of gathering the air gun has the filter layer, gathers the air gun and passes through the pipe connection, can carry out the fixed point sample to some narrow and small positions through gathering the air gun, and the filter layer can prevent that large granule debris from being inhaled in the sampling process, improves the purity of being gathered gas.
Further inject, still be provided with on the box and be used for controlling air exhaust device and air inlet unit control panel, the control panel can be for touch-control formula or button for control air exhaust device and air inlet unit, the operation of being convenient for.
Further inject, be provided with the elasticity binding area that is used for fixed collection air pocket in the standing groove, fix collection air pocket, prevent to drop.
Further inject, still be provided with the handle on placing the tray, the handle is provided with two, and the symmetry sets up and places the tray both sides, is convenient for dismantle placing the tray, is convenient for maintain the internals.
Compared with the prior art, the utility model, gather convenient operation through gathering the air pocket to the sample.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. In the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the box body.
The main element symbols are as follows:
the air collecting box comprises a box body 1, a box cover 2, a collecting air bag 3, an air extracting device 4, an air inlet device 5, an air pressure detecting device 6, a pipeline connector 7, a placing tray 8, a placing groove 9, a mounting hole 10, a storage battery 11, a collecting air gun 12, a control panel 13, an elastic binding belt 14 and a handle 15.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1 and 2, a portable air bag sampling box for VOC sampling comprises a box body 1 and a box cover 2, wherein the box cover 2 is rotatably connected with the box body 1 through a hinge; the box body 1 is internally provided with an acquisition air bag 3, an air extractor 4, an air inlet device 5 and an air pressure detection device 6; the acquisition air bag 3 is provided with three pipeline interfaces 7, and the three pipeline interfaces 7 are respectively communicated with the air inlet end of the air suction device 4, the air outlet end of the air inlet device 5 and the detection end of the air pressure detection device 6 through pipelines.
In this embodiment, the collection air bag 3 may be an aluminum film bag, the air exhaust device 4 may be a suction pump, the air intake device 5 may be a vent pump, three pipeline interfaces 7 are provided on the collection air bag 3, one pipeline interface 7 is connected with the air pressure detection device 6, one pipeline interface 7 is connected with the air exhaust device 4, and one pipeline interface 7 is connected with the air intake device 5; then open air inlet unit 5, will be detected gaseous full collection air pocket 3 of filling to detect the gas pressure in gathering air pocket 3 through atmospheric pressure detection device 6, prevent that too high pressure from causing the collection air pocket 3 damaged, and cause the sampling failure, gather convenient operation through gathering air pocket 3 to the sample.
In this embodiment, the air exhaust device 4 and the air intake device 5 are both fixedly arranged at the bottom of the box body 1, a placing tray 8 is clamped at the opening of the box body 1, a downward recess is formed in the middle of the placing tray 8 and used for placing a placing groove 9 for placing the collecting air bag 3, and a mounting hole 10 for placing the air pressure detection device 6 is further formed in the tray.
In this embodiment, box 1 bottom still is provided with the battery 11 that is used for the power supply to air exhaust device 4 and air inlet unit 5, and battery 11 improves the practicality convenience as the power.
In this embodiment, there is collection air gun 12 air inlet end of air inlet unit 5 through the pipe connection, the collection end parcel of gathering air gun 12 has the filter layer, gathers air gun 12 and passes through the pipe connection, can carry out the fixed point sample to some narrow and small positions through gathering air gun 12, and the filter layer can prevent that large granule debris from being inhaled in the sampling process, improves the purity of being gathered gas.
In this embodiment, the box body 1 is further provided with a control panel 13 for controlling the air extracting device 4 and the air inlet device 5, and the control panel 13 may be of a touch type or a key type, and is used for controlling the air extracting device 4 and the air inlet device 5, so as to facilitate operation.
In this embodiment, an elastic binding band 14 for fixing the collection bag 3 is provided in the placement groove 9, and the collection bag 3 is fixed to prevent the separation.
In this embodiment, still be provided with handle 15 on placing tray 8, handle 15 is provided with two, and the symmetry sets up and places tray 8 both sides, is convenient for dismantle placing tray 8, is convenient for maintain the internals.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (7)
1. The utility model provides a portable air pocket sampling case for VOC sampling which characterized in that: the box cover is rotatably connected with the box body through a hinge;
the box body is internally provided with a collecting air bag, an air exhaust device, an air inlet device and an air pressure detection device;
the air collecting bag is provided with three pipeline interfaces which are respectively communicated with an air inlet end of the air suction device, an air outlet end of the air inlet device and a detection end of the air pressure detection device through pipelines.
2. The portable air bag sampling box for VOC sampling of claim 1, wherein: the air extracting device and the air inlet device are fixedly arranged at the bottom of the box body, the box body opening is connected with a placing tray in a clamping mode, a downward concave portion is formed in the middle of the placing tray and used for placing a placing groove for placing an air collecting bag, and a mounting hole for placing an air pressure detection device is further formed in the tray.
3. A portable air bag sampling case for VOC sampling according to claim 2 wherein: and the bottom of the box body is also provided with a storage battery for supplying power to the air exhaust device and the air inlet device.
4. A portable air bag sampling case for VOC sampling according to claim 3 wherein: the air inlet end of the air inlet device is connected with a collection air gun through a pipeline, and the collection end of the collection air gun is wrapped by a filter layer.
5. A portable air bag sampling case for VOC sampling as claimed in claim 4 wherein: the box body is also provided with a control panel for controlling the air exhaust device and the air inlet device.
6. The portable air bag sampling box for VOC sampling of claim 5 wherein: an elastic binding belt for fixing the collecting air bag is arranged in the placing groove.
7. The portable air bag sampling box for VOC sampling of claim 6, wherein: the placing tray is further provided with two handles, and the two handles are symmetrically arranged on the two sides of the placing tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921431974.XU CN210626143U (en) | 2019-08-30 | 2019-08-30 | A portable air pocket sampling case for VOC sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921431974.XU CN210626143U (en) | 2019-08-30 | 2019-08-30 | A portable air pocket sampling case for VOC sampling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210626143U true CN210626143U (en) | 2020-05-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921431974.XU Active CN210626143U (en) | 2019-08-30 | 2019-08-30 | A portable air pocket sampling case for VOC sampling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210626143U (en) |
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2019
- 2019-08-30 CN CN201921431974.XU patent/CN210626143U/en active Active
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