CN212391369U - Dust concentration detector calibrating device - Google Patents
Dust concentration detector calibrating device Download PDFInfo
- Publication number
- CN212391369U CN212391369U CN202021026191.6U CN202021026191U CN212391369U CN 212391369 U CN212391369 U CN 212391369U CN 202021026191 U CN202021026191 U CN 202021026191U CN 212391369 U CN212391369 U CN 212391369U
- Authority
- CN
- China
- Prior art keywords
- dust
- detector
- housing
- box body
- concentration detector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a dust concentration detector calibrating device, include: the test box is a closed box body with an inlet; the first dust detector is arranged in the box body; the second dust detector is arranged in the box body; the humidifier humidifies the inside of the box body; the dehumidifier dehumidifies the box body; and the humidity detector is arranged in the box body. The technical scheme of the utility model the problem of the calibration of dust concentration detector among the prior art has been solved effectively.
Description
Technical Field
The utility model relates to a dust detection's technical field particularly, relates to a dust concentration detector calibrating device.
Background
Pneumoconiosis is one of the major occupational hazards in mines, and respiratory dust is a major factor causing pneumoconiosis. Controlling the concentration of respiratory dust is a major means of preventing the development of pneumoconiosis. The accurate determination of the concentration of the respiratory dust in a workplace is a necessary way for realizing the early warning of pneumoconiosis, and has important practical significance for protecting the physical health of workers.
At present, the dust detector is of a plurality of types, the accuracy of measurement is different, and different dust detectors are used, so that certain measurement errors exist.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a dust concentration detector calibrating device to there is the different problem of measuring accuracy in the dust measuring apparatu of solving among the prior art.
In order to achieve the above object, the utility model provides a dust concentration detector calibrating device, include: the test box is a closed box body with an inlet; the first dust detector is arranged in the box body; the second dust detector is arranged in the box body or is communicated with the box body through a guide pipe; the humidifier humidifies the inside of the box body; the dehumidifier dehumidifies the box body; and the humidity detector is arranged in the box body.
Furthermore, the dust concentration detector calibrating device further comprises a dust filtering guide pipe, and two ends of the dust filtering guide pipe are communicated with the box body.
Furthermore, the first end of the dust filtering pipe is connected to the first side wall of the box body, the second end of the dust filtering pipe is connected to the second side wall of the box body, and the first side wall of the box body is opposite to the second side wall of the box body.
Further, dust concentration detector calibrating device still includes first fan, and first fan setting is on the dust filters the pipe to make the gas in the box pass through dust and filter the pipe circulation.
Further, dust concentration detector calibrating device still includes the filtration, and the filtration is installed in the dust filters the pipe.
Further, the filtration includes two, and two filtration set up respectively in the both sides of first fan.
Further, dust concentration detector calibrating device still includes temperature detector, and temperature detector sets up at least partially in the box to detect the temperature in the box.
Further, the dust concentration detector calibrating device also comprises a heater, and the heater is arranged in the box body to heat the gas in the box body.
Further, dust concentration detector calibrating device still includes dust generator subassembly, and dust generator subassembly includes that the dust produces case and dust generator, and dust generator sets up in the dust produces the incasement, and the dust produces the case and is linked together with the entry of box.
Further, the dust generation box is communicated with the box body through a communicating pipe, and a second fan is arranged on the communicating pipe.
Use the technical scheme of the utility model, first dust detector and second dust detector are all placed in same proof box to maintain and calibrate under a specific temperature, first dust detector and second dust detector are different along with the dust concentration in the proof box like this, and two dust detector measuring data are the same. The change in dust concentration comes from two aspects, one is the concentration level generated by the dust generation box. The dust concentration generating box generates a high-concentration dust environment, and then the fan is started to gradually filter to generate lower and lower dust concentrations, so that a desired dust concentration calibration point is obtained. When the measurement data of the two dust detectors are different, one of the two dust detectors is indicated to have a deviation. It should be noted that the first dust detector may be a standard dust detector, and the second dust detector may be a certified or calibrated instrument. The technical scheme of the utility model the problem of the calibration of dust concentration detector among the prior art has been solved effectively.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural diagram of an embodiment of a calibration device for a dust concentration detector according to the present invention.
Wherein the figures include the following reference numerals:
10. a test chamber; 20. a first dust detector; 30. a second dust detector; 40. a humidifier; 41. a dehumidifier; 50. a humidity detector; 60. a dust filtration conduit; 70. a first fan; 80. a filter structure; 90. a dust generator assembly; 100. a heater; 110. and a third fan.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
As shown in fig. 1, the dust concentration detector calibration apparatus of the present embodiment includes: test chamber 10, first dust detector 20, second dust detector 30, humidifier 40, dehumidifier and moisture detector 50. Test chamber 10 is a closed box with an inlet. The first dust detector 20 is disposed within the housing. The second dust detector 30 is disposed in the housing or the second dust detector 30 is connected to the housing through a conduit. The humidifier 40 humidifies the inside of the cabinet. The dehumidifier 41 dehumidifies the inside of the case. Humidity detector 50 is disposed within the housing.
By applying the technical scheme of the embodiment, the first dust detector 20 and the second dust detector 30 are both placed in the same test chamber 10 and are maintained at a specific temperature for calibration, so that the first dust detector 20 and the second dust detector 30 have the same measured data along with the different dust concentrations in the test chamber 10, and the dust concentration changes from two aspects, namely the concentration of the dust generation chamber. The dust concentration generating box generates a high-concentration dust environment, and then the fan is started to gradually filter to generate lower and lower dust concentrations, so that a desired dust concentration calibration point is obtained. When the measurement data of the two dust detectors are different, one of the two dust detectors is indicated to have a deviation. It should be noted that the first dust detector 20 can be a standard dust detector, the second dust detector can be a certified or calibrated instrument, and the second dust detector 30 can be one or more. The technical scheme of this embodiment has solved the problem of the calibration of dust concentration detector among the prior art effectively.
As shown in fig. 1, in the technical solution of this embodiment, the calibration apparatus for a dust concentration detector further includes a dust filtering duct 60, and both ends of the dust filtering duct 60 are communicated with the box body. Dust filter duct 60 is provided to reduce the dust concentration in test chamber 10 to that required for the test.
As shown in fig. 1, in the solution of this embodiment, a first end of the dust filtering duct 60 is connected to a first side wall of the box, a second end of the dust filtering duct 60 is connected to a second side wall of the box, and the first side wall of the box and the second side wall of the box are arranged opposite to each other. The dust filtering duct 60 of the above structure has a higher dust removing efficiency, for example, the two ends of the dust filtering duct 60 are far away, so that the air outlet of the dust filtering duct 60 has less influence on the air inlet of the dust filtering duct 60.
As shown in fig. 1, in the technical solution of this embodiment, the calibration apparatus for a dust concentration detector further includes a first fan 70, and the first fan 70 is disposed on the dust filtering duct 60, so that the gas in the box circulates through the dust filtering duct 60. The arrangement of the first fan 70 enables the mixture in the test chamber 10 to form forced circulation dust removal, and the efficiency of the test chamber 10 is high when the dust concentration is reduced.
As shown in fig. 1, in the solution of this embodiment, the calibration apparatus for a dust concentration detector further includes a filter structure 80, and the filter structure 80 is installed in the dust filter conduit 60. The filter structure 80 is provided to effectively remove dust from the mixture in the test chamber 10.
As shown in fig. 1, in the solution of the present embodiment, the number of the filter structures 80 is two, and the two filter structures 80 are respectively disposed on two sides of the first fan 70. The filter structure 80 of the above structure has high dust removal efficiency, and can effectively protect the first fan 70. For example, by providing the filter structure 80 upstream of the first fan 70, damage to the first fan 70 by dust can be avoided. It should be noted that, according to the technical scheme of this embodiment, the calibration device for the dust concentration detector further includes the third fan 110, and the third fan 110 is disposed in the box, so that the mixture in the box is relatively uniform.
As shown in fig. 1, in the technical solution of this embodiment, the calibration apparatus for a dust concentration detector further includes a temperature detector, and the temperature detector is at least partially disposed in the box to detect the temperature in the box. The temperature detector is arranged to enable the experiment to detect at the required temperature.
As shown in fig. 1, in the technical solution of this embodiment, the calibration apparatus for a dust concentration detector further includes a heater 100 disposed in the box to heat the gas in the box. The heater 100 is provided to ensure that the test chamber 10 can be tested at a predetermined temperature.
As shown in fig. 1, in the technical solution of this embodiment, the calibration apparatus for a dust concentration detector further includes a dust generator assembly 90, the dust generator assembly 90 includes a dust generation box and a dust generator, the dust generator is disposed in the dust generation box, and the dust generation box is communicated with the inlet of the box body. The placement of dust generator assembly 90 effectively ensures that the dust within test chamber 10 reaches a predetermined concentration. On the one hand, dust generator assembly 90 can produce dust at the beginning of the test, and on the other hand, dust generator assembly 90 can increase the dust concentration in test chamber 10 during the test when the dust concentration in test chamber 10 is low.
As shown in fig. 1, in the technical scheme of this embodiment, the dust generating box is communicated with the box body through a communicating pipe, and a second fan is arranged on the communicating pipe. The arrangement of the second fan improves the efficiency of improving the dust concentration in the test chamber 10.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A dust concentration detector calibrating device, characterized by includes:
the test chamber (10), the test chamber (10) is a closed box body with an inlet;
a first dust detector (20), the first dust detector (20) being disposed within the housing;
the second dust detector (30), the second dust detector (30) is arranged in the box body or the second dust detector (30) is communicated with the box body through a conduit;
a humidifier (40), the humidifier (40) humidifying the inside of the case;
a dehumidifier (41), wherein the dehumidifier (41) dehumidifies the inside of the box body;
and the humidity detector (50) is arranged in the box body, and the humidity detector (50) is arranged in the box body.
2. The dust concentration detector calibration device of claim 1, further comprising a dust filter conduit (60), wherein both ends of the dust filter conduit (60) are in communication with the housing.
3. The dust concentration detector calibration apparatus of claim 2, wherein a first end of the dust filter conduit (60) is attached to a first side wall of the housing, a second end of the dust filter conduit (60) is attached to a second side wall of the housing, and the first side wall of the housing is disposed opposite the second side wall of the housing.
4. The dust concentration detector calibration apparatus of claim 2, further comprising a first fan (70), the first fan (70) being disposed on the dust filter conduit (60) to circulate gas within the housing through the dust filter conduit (60).
5. The dust concentration detector calibration apparatus of claim 4, further comprising a filter structure (80), the filter structure (80) being mounted within the dust filter conduit (60).
6. The dust concentration detector calibration apparatus of claim 5, wherein the filter structures (80) comprise two, and the two filter structures (80) are respectively disposed on two sides of the first fan (70).
7. The dust concentration detector calibration apparatus of claim 1, further comprising a temperature detector at least partially disposed within the housing to detect a temperature within the housing.
8. The dust concentration detector calibration apparatus of claim 7, further comprising a heater (100), the heater (100) being disposed within the housing to heat the gas within the housing.
9. The dust concentration detector calibration device of any one of claims 1 to 8, further comprising a dust generator assembly (90), the dust generator assembly (90) comprising a dust generation tank and a dust generator, the dust generator being disposed within the dust generation tank, the dust generation tank being in communication with the inlet of the housing.
10. The dust concentration detector calibrating device according to claim 9, wherein the dust generating tank is communicated with the tank body through a communicating pipe, and a second fan is arranged on the communicating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021026191.6U CN212391369U (en) | 2020-06-05 | 2020-06-05 | Dust concentration detector calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021026191.6U CN212391369U (en) | 2020-06-05 | 2020-06-05 | Dust concentration detector calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212391369U true CN212391369U (en) | 2021-01-22 |
Family
ID=74254214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021026191.6U Active CN212391369U (en) | 2020-06-05 | 2020-06-05 | Dust concentration detector calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212391369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405960A (en) * | 2021-06-18 | 2021-09-17 | 中煤科工集团重庆研究院有限公司 | Continuous stable and environmental parameter adjustable circulation dust device and test system |
-
2020
- 2020-06-05 CN CN202021026191.6U patent/CN212391369U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405960A (en) * | 2021-06-18 | 2021-09-17 | 中煤科工集团重庆研究院有限公司 | Continuous stable and environmental parameter adjustable circulation dust device and test system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2571030B1 (en) | Method and device for testing for leaks in iodine filters | |
| CN106645587A (en) | Gas sensor evaluation and calibration system | |
| CN212391369U (en) | Dust concentration detector calibrating device | |
| US9329279B2 (en) | Method and device for measuring radon by electrostatic collection method without influence of environmental temperature and environmental humidity | |
| KR102155995B1 (en) | Method for testing purify capacity of air purifier | |
| CN201311379Y (en) | Formaldehyde tester of wood-based plates by gas analyzing method | |
| CN105043954A (en) | Calibration system and calibration method for digital dust meter | |
| KR102158448B1 (en) | Apparatus for testing purify capacity of air purifier | |
| CN110333066B (en) | Breather valve calibration stand | |
| CN204924683U (en) | DMMP protects time testing arrangement | |
| CN211293281U (en) | Novel emanometer calibrating device | |
| CN106596871A (en) | Method and device for detecting performance reliability of air quality monitor | |
| CN208350586U (en) | A kind of vapor permeability energy test macro | |
| CN106896397B (en) | Test method and system for radioactive aerosol monitoring technical device | |
| CN202233370U (en) | Moisture absorption and moisture permeability tester for closed shoes | |
| KR102256275B1 (en) | Photocatalyst performance test device and testing method for photocatalyst performance using it | |
| CN205483950U (en) | Measurement device for be used for accurate position of car | |
| CN212255056U (en) | High-temperature water vapor concentration measurement test system | |
| US20230324271A1 (en) | Device and method for measuring gas concentration | |
| CN113945404A (en) | Ion generator concentration detection method | |
| CN111948091A (en) | Gas concentration measuring device and method | |
| CN208476836U (en) | A kind of minimum film forming temperature tester | |
| KR102083397B1 (en) | Weighing machine having a means for removing static electricity | |
| CN219369496U (en) | Charged property measurement system for primary emission pollutant particles in haze system | |
| CN210604500U (en) | Volatile organic gas detection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |