CN210180876U - Air inlet drying mechanism of dust concentration measuring device - Google Patents
Air inlet drying mechanism of dust concentration measuring device Download PDFInfo
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- CN210180876U CN210180876U CN201920533789.5U CN201920533789U CN210180876U CN 210180876 U CN210180876 U CN 210180876U CN 201920533789 U CN201920533789 U CN 201920533789U CN 210180876 U CN210180876 U CN 210180876U
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- resistance coil
- heating resistance
- heat insulation
- coil support
- dust concentration
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Abstract
The utility model discloses an air inlet drying mechanism of a dust concentration measuring device, which comprises a drying cylinder, a heating resistance coil bracket, a heat insulation connector and a resistance coil; the drying cylinder body is of a cylindrical structure, a cylindrical groove for placing the heating resistance coil support is formed in the middle of the drying cylinder body, and an annular step for placing the upper end of the heating resistance coil support is arranged at the upper part of the cylindrical groove; the heating resistance coil support is provided with a through hole which is communicated from the upper end to the lower end; the resistance coil is wound on the surface of the middle part of the heating resistance coil support, and the heat insulation connector is in threaded connection with the drying cylinder body. The utility model relates to a dust concentration measurement device's air inlet drying mechanism can heat the drying to the air that is about to get into dust concentration measurement device to guarantee dust concentration measurement result's precision.
Description
Technical Field
The utility model relates to a dust concentration measuring device's dry mechanism that admits air.
Background
Chinese patent: a dust concentration measuring device CN206504981U relates to a dust concentration measuring device which can measure the dust concentration in the air. In the in-service use process, can cause the influence to dust measuring device's measurement accuracy when the air humidity that contains the dust is great, need carry out dehumidification, drying earlier with the air that gets into the dust entry for this reason, make the large granule drop of water gasify, avoid influencing the detection of dust concentration.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a dust concentration measuring device's dry mechanism that admits air aims at solving above-mentioned problem.
In order to achieve the purpose, the technical scheme of the utility model is to design an air inlet drying mechanism of a dust concentration measuring device, which comprises a drying cylinder, a heating resistance coil bracket, a heat insulation connector and a resistance coil; the drying cylinder body is of a cylindrical structure, a cylindrical groove for placing the heating resistance coil support is formed in the middle of the drying cylinder body, a first through hole is formed in the bottom of the cylindrical groove, and an annular step for placing the upper end of the heating resistance coil support is formed in the upper portion of the cylindrical groove; a plurality of first threaded holes are formed in the annular step, and internal threads are formed in the inner wall of the drying cylinder above the annular step; the middle part of the heating resistance coil support is cylindrical, the two ends of the heating resistance coil support are disc-shaped structures, the diameter of the middle part is smaller than the inner diameter of the cylindrical groove, the diameter of the disc-shaped structure at the lower end is equal to the inner diameter of the cylindrical groove, and the diameter of the disc-shaped structure at the upper end is equal to the diameter of the annular step; the heating resistance coil support is provided with a through hole which is communicated from the upper end to the lower end; a plurality of second threaded holes are formed in the surface of the disc-shaped structure at the upper end of the heating resistance coil support; the first threaded hole and the second threaded hole are fastened through screws; the resistance coil is wound on the surface of the middle part of the heating resistance coil bracket, and one end of the resistance coil, which is connected with a power supply, penetrates through any one second threaded hole; the heat insulation connector is cylindrical, external threads are arranged at two ends of the heat insulation connector, and a small hole for allowing one end of the resistance coil connected with the power supply to penetrate through is formed in the side wall of the heat insulation connector; the heat insulation connector is in threaded connection with the drying cylinder body.
Furthermore, the heat insulation connector is made of heat insulation materials.
Furthermore, a temperature control switch is arranged on the heating resistance coil support and connected with the resistance coil.
When in use, the upper part of the heat insulation connector is in threaded connection with a dust inlet of a dust concentration measuring device in the background technology; air containing dust enters from a first through hole at the bottom of a cylindrical groove of the drying cylinder body, a power supply of the resistance coil is switched on, the resistance coil heats the air passing through the through hole of the resistance coil support, so that the air entering the dust concentration measuring device is dried or water drops are gasified, and when the heating temperature reaches 100 ℃, the power supply is cut off by the temperature control switch.
The utility model has the advantages and the beneficial effects that: the utility model relates to a dust concentration measurement device's air inlet drying mechanism can heat the drying to the air that is about to get into dust concentration measurement device to guarantee dust concentration measurement result's precision.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the present invention.
Fig. 3 is an exploded view of the components of the present invention.
Fig. 4 is a schematic diagram of the temperature control switch of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example (b):
an air inlet drying mechanism of a dust concentration measuring device comprises a drying cylinder body 1, a heating resistance coil support 2, a heat insulation connector 3 and a resistance coil 4; the drying cylinder body 1 is of a cylindrical structure, a cylindrical groove for placing the heating resistance coil support 2 is formed in the middle of the drying cylinder body, a first through hole 13 is formed in the bottom of the cylindrical groove, and an annular step 11 for placing the upper end of the heating resistance coil support 2 is formed in the upper portion of the cylindrical groove; a plurality of first threaded holes 12 are formed in the annular step 11, and internal threads are formed in the inner wall of the drying cylinder 1 above the annular step 11; the middle part of the heating resistance coil support 2 is cylindrical, the two ends of the heating resistance coil support are disc-shaped structures, the diameter of the middle part is smaller than the inner diameter of the cylindrical groove, the diameter of the disc-shaped structure at the lower end is equal to the inner diameter of the cylindrical groove, and the diameter of the disc-shaped structure at the upper end is equal to the diameter of the annular step 11; the heating resistance coil support 2 is provided with a through hole 21 which penetrates from the upper end to the lower end; a plurality of second threaded holes 22 are formed in the surface of the disc-shaped structure at the upper end of the heating resistance coil support 2; the first threaded hole 12 and the second threaded hole 22 are fastened through screws; the resistance coil 4 is wound on the surface of the middle part of the heating resistance coil bracket 2, and one end of the resistance coil 4, which is connected with a power supply, penetrates through any one second threaded hole 22; the heat insulation connector 3 is cylindrical, external threads are arranged at two ends of the heat insulation connector 3, and a small hole 31 for allowing one end of the resistance coil 4 connected with a power supply to penetrate is formed in the side wall of the heat insulation connector 3; the heat insulation connector 3 is in threaded connection with the drying cylinder body 1.
The heat insulation connector 3 is made of heat insulation materials.
And a temperature control switch 5 is arranged on the heating resistance coil support, and the temperature control switch 5 is connected with the resistance coil.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides a dust concentration measuring device's dry mechanism of admitting air which characterized in that: the device comprises a drying cylinder, a heating resistance coil bracket, a heat insulation connector and a resistance coil; the drying cylinder body is of a cylindrical structure, a cylindrical groove for placing the heating resistance coil support is formed in the middle of the drying cylinder body, a first through hole is formed in the bottom of the cylindrical groove, and an annular step for placing the upper end of the heating resistance coil support is formed in the upper portion of the cylindrical groove; a plurality of first threaded holes are formed in the annular step, and internal threads are formed in the inner wall of the drying cylinder above the annular step; the middle part of the heating resistance coil support is cylindrical, the two ends of the heating resistance coil support are disc-shaped structures, the diameter of the middle part is smaller than the inner diameter of the cylindrical groove, the diameter of the disc-shaped structure at the lower end is equal to the inner diameter of the cylindrical groove, and the diameter of the disc-shaped structure at the upper end is equal to the diameter of the annular step; the heating resistance coil support is provided with a through hole which is communicated from the upper end to the lower end; a plurality of second threaded holes are formed in the surface of the disc-shaped structure at the upper end of the heating resistance coil support; the first threaded hole and the second threaded hole are fastened through screws; the resistance coil is wound on the surface of the middle part of the heating resistance coil bracket, and one end of the resistance coil, which is connected with a power supply, penetrates through any one second threaded hole; the heat insulation connector is cylindrical, external threads are arranged at two ends of the heat insulation connector, and a small hole for allowing one end of the resistance coil connected with the power supply to penetrate through is formed in the side wall of the heat insulation connector; the heat insulation connector is in threaded connection with the drying cylinder body.
2. The intake air drying mechanism of a dust concentration measuring apparatus according to claim 1, wherein: the heat insulation connector is made of heat insulation materials.
3. The intake air drying mechanism of a dust concentration measuring apparatus according to claim 1, wherein: and the heating resistance coil support is provided with a temperature control switch, and the temperature control switch is connected with the resistance coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920533789.5U CN210180876U (en) | 2019-04-19 | 2019-04-19 | Air inlet drying mechanism of dust concentration measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920533789.5U CN210180876U (en) | 2019-04-19 | 2019-04-19 | Air inlet drying mechanism of dust concentration measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210180876U true CN210180876U (en) | 2020-03-24 |
Family
ID=69831262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920533789.5U Active CN210180876U (en) | 2019-04-19 | 2019-04-19 | Air inlet drying mechanism of dust concentration measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210180876U (en) |
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2019
- 2019-04-19 CN CN201920533789.5U patent/CN210180876U/en active Active
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