CN210893838U - Accurate dust sampling instrument - Google Patents
Accurate dust sampling instrument Download PDFInfo
- Publication number
- CN210893838U CN210893838U CN201921827987.9U CN201921827987U CN210893838U CN 210893838 U CN210893838 U CN 210893838U CN 201921827987 U CN201921827987 U CN 201921827987U CN 210893838 U CN210893838 U CN 210893838U
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- China
- Prior art keywords
- casing
- sampling
- control system
- integrated control
- flowmeter
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- Expired - Fee Related
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Abstract
The utility model discloses an accurate dust sampling appearance, including casing, sampling head, prevent suck-back device, flowmeter, siren, buffer, aspiration pump, microcomputer integrated control system, display screen, listening room, operating panel, be connected with the sampling head on the left side wall of casing, the back lateral wall of casing is equipped with the gas vent, the preceding flowmeter, display screen and the operating panel that are equipped with of casing, the inside of casing is equipped with prevents suck-back device, buffer, aspiration pump and microcomputer integrated control system. The dust sampling instrument of the utility model can accurately measure the volume of the pumped air by arranging the flowmeter and the air pump, and the dust measuring result is accurate and reliable; the air sample detection system is provided with the alarm, when the concentration of the detection substance in the air sample reaches the range, the system gives an alarm to remind people to take measures, and the practicability is high.
Description
Technical Field
The utility model belongs to the technical field of the dust sampling device technique and specifically relates to an accurate dust sampling appearance.
Background
The dust sampler is an appliance for collecting dust patterns in air containing dust, is widely applied to health monitoring and evaluation of departments such as disease prevention, environmental monitoring, labor protection, safety supervision, military, scientific research and teaching, metallurgy, petrochemical industry, railways, building materials and the like, and is specially used for measuring the average concentration of the dust in the air in the workplaces of production teams and groups. The existing dust sampler is complex in structure and inconvenient to carry, and can only weigh the dust filtered on a filter membrane to measure and calculate the whole dust content, but cannot accurately calculate the dust content in a space with a unit volume.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect that exists among the prior art, the utility model provides an accurate dust sampling appearance.
The utility model provides a technical scheme that its technical problem adopted is: an accurate dust sampling instrument comprises a shell, a sampling head, a suck-back prevention device, a flowmeter, an alarm, a buffer, an air pump, a microcomputer integrated control system, a display screen, a detection chamber and an operation panel, wherein a handle is arranged at the upper end of the shell, supporting legs are arranged at four corners of the bottom end of the shell, the sampling head is connected to the left side wall of the shell, a charging socket is arranged on the right side wall of the shell, an air outlet is formed in the rear side wall of the shell, the flowmeter, the display screen and the operation panel are arranged in front of the shell, the suck-back prevention device, the buffer, the air pump and the microcomputer integrated control system are arranged in the shell, the sampling head, the suck-back prevention device, the flowmeter, the buffer, the air pump and the detection chamber are sequentially communicated through hoses, the air outlet end of the detection chamber is communicated with the air outlet, and the, The detection chamber is electrically connected with the microcomputer integrated control system, and the microcomputer integrated control system is respectively electrically connected with the display screen and the operation panel.
The accurate dust sampling instrument is characterized in that a left cursor moving key, a right cursor moving key, a digital increase and decrease adjusting key, an on-off key, a pause key and a reset key are arranged on the operation panel.
In the above precise dust sampling instrument, the air pump is a vacuum-driven pump.
In the accurate dust sampling instrument, the microcomputer integrated control system is provided with the timing function module and is provided with a plurality of function modes of sampling pause, delay sampling and cyclic sampling.
Compared with the prior art the utility model has the advantages of it is following and outstanding effect:
the utility model has the advantages that the dust sampling instrument of the utility model has simple structure, can accurately measure the volume of the pumped air by arranging the flowmeter and the air pump, further calculate the content of the dust, has accurate and reliable measuring result, is provided with the buffer and the anti-suck-back device, and can prevent the gas from scattering and disappearing; the air sample detection system is provided with the alarm, when the concentration of the detection substance in the air sample reaches the range, the system gives an alarm to remind people to take measures, and the practicability is high.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the present invention.
In the figure, 1, a handle, 2, a shell, 3, a display screen, 4, an operation panel, 5, an air pump, 6, a buffer, 7, a flowmeter, 8, a sampling head, 9, an anti-suck-back device, 10, a microcomputer integrated control system, 11, an alarm and 12, a detection chamber are arranged.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
[ example 1 ]
An accurate dust sampling instrument comprises a shell 2, a sampling head 8, an anti-suck-back device 9, a flowmeter 7, an alarm 11, a buffer 6, an air pump 5, a microcomputer integrated control system 10, a display screen 3, a detection chamber 12 and an operation panel 4, wherein the upper end of the shell 2 is provided with a handle 1, four corners of the bottom end of the shell 2 are provided with supporting legs, the left side wall of the shell 2 is connected with the sampling head 8, the right side wall of the shell 2 is provided with a charging socket, the rear side wall of the shell 2 is provided with an air outlet, the front of the shell 2 is provided with the flowmeter 7, the display screen 3 and the operation panel 4, the interior of the shell 2 is provided with the anti-suck-back device 9, the buffer 6, the air pump 5 and the microcomputer integrated control system 10, the sampling head 8, the anti-suck-back device 9, the flowmeter 7, the buffer 6, the air pump 5 and the detection chamber, the air outlet end of the detection chamber 12 is communicated with the air outlet, the air pump 5, the alarm 11 and the detection chamber 12 are electrically connected with the microcomputer integrated control system 10, and the microcomputer integrated control system 10 is respectively electrically connected with the display screen 3 and the operation panel 4.
Further, a left cursor moving key, a right cursor moving key, a number increasing and decreasing adjusting key, an on-off key, a pause key and a reset key are arranged on the operation panel 4.
Further, the air pump 5 is a vacuum-driven pump.
Further, the microcomputer integrated control system 10 is provided with a timing function module and a plurality of function modes of sampling pause, delay sampling and cyclic sampling.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.
Claims (4)
1. The utility model provides an accurate dust sampling appearance, includes casing (2), sampling head (8), prevents suck-back device (9), flowmeter (7), siren (11), buffer (6), aspiration pump (5), microcomputer integrated control system (10), display screen (3), detects room (12), operating panel (4), its characterized in that: the upper end of casing (2) is equipped with handle (1), four angles of the bottom of casing (2) are equipped with the landing leg, be connected with sampling head (8) on the left side wall of casing (2), the right side wall of casing (2) is equipped with charging socket, the back lateral wall of casing (2) is equipped with the gas vent, preceding flowmeter (7), display screen (3) and operating panel (4) of being equipped with of casing (2), the inside of casing (2) is equipped with prevents suck-back device (9), buffer (6), aspiration pump (5) and microcomputer integrated control system (10), sampling head (8), prevent suck-back device (9), flowmeter (7), buffer (6), aspiration pump (5), detect room (12) and be linked together through the hose in order, the end of giving vent to anger of detecting room (12) is linked together with the gas vent, aspiration pump (5), The alarm (11) and the detection chamber (12) are electrically connected with a microcomputer integrated control system (10), and the microcomputer integrated control system (10) is respectively electrically connected with the display screen (3) and the operation panel (4).
2. The precise dust sampling instrument according to claim 1, wherein the operation panel (4) is provided with a left cursor moving key, a right cursor moving key, a number increasing and decreasing adjusting key, an on-off key, a pause key and a reset key.
3. A precision dust sampler according to claim 1 in which the suction pump (5) is a vacuum driven pump.
4. An accurate dust sampler according to claim 1, wherein the microcomputer integrated control system (10) is provided with a timing function module and a plurality of function modes of sampling pause, delay sampling and cyclic sampling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921827987.9U CN210893838U (en) | 2019-10-29 | 2019-10-29 | Accurate dust sampling instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921827987.9U CN210893838U (en) | 2019-10-29 | 2019-10-29 | Accurate dust sampling instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210893838U true CN210893838U (en) | 2020-06-30 |
Family
ID=71324410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921827987.9U Expired - Fee Related CN210893838U (en) | 2019-10-29 | 2019-10-29 | Accurate dust sampling instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210893838U (en) |
-
2019
- 2019-10-29 CN CN201921827987.9U patent/CN210893838U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 Termination date: 20201029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |