CN209656511U - A kind of dust explosion protection atmospheric detection device - Google Patents
A kind of dust explosion protection atmospheric detection device Download PDFInfo
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- CN209656511U CN209656511U CN201920231143.1U CN201920231143U CN209656511U CN 209656511 U CN209656511 U CN 209656511U CN 201920231143 U CN201920231143 U CN 201920231143U CN 209656511 U CN209656511 U CN 209656511U
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Abstract
The utility model relates to dust detection technique fields, specifically a kind of dust explosion protection atmospheric detection device, including casing, tripod and detection cylinder, the side of the casing is provided with detection cylinder, the inside of the casing is equipped with cylinder, the detection cylinder is the cylindrical shape that one end is equipped with conical head, vacuum pump is fixed at the top of the detection cylinder, the vacuum pump is connected by vaccum suction pipe with the inner cavity of detection cylinder, the detection cylinder is internally provided with push top, the push top is flexibly connected with the inner cavity of detection cylinder, described have a haircut is fixedly connected at the axle center of casing side with the telescopic shaft of cylinder, the end of the detection cylinder offers air inlet, the inside of the air inlet is equipped with valve.The utility model is removed the dust being attached on detection cylinder inner wall by push top, be will test remaining air in cylinder by vacuum pump and is extracted to form vacuum state, the accuracy of detection data when improving next sub-sampling.
Description
Technical field
The utility model relates to dust detection technique field, specially a kind of dust explosion protection atmospheric detection device.
Background technique
Dust Testing Instrument is mainly used for the quick measurement of the inspirable particle concentration of public place, industrial and mining enterprises' production now
The detection of dust concentration and the monitoring of field of environment protection inhalable particulates concentration in terms of the labour healths such as field.It is widely used in
The neck such as disease prevention and control center, mine, metallurgy, power plant, chemical industry manufacture, health supervision, environmental protection, online environment monitoring
Domain.
Existing Dust Testing Instrument is in use, every once to be examined in order to more accurately record dust data
It surveys and requires to exclude the sucked dusty gas of last detection, but some dust are attached to air inlet inner wall, if being not added
With remove, cause testing result to be inaccurate, and the remaining gas in air inlet detection data can also be caused it is unfavorable
It influences.
Utility model content
The purpose of this utility model is to provide a kind of dust explosion protection atmospheric detection devices, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of dust explosion protection atmospheric detection device, packet
Casing, tripod and detection cylinder are included, display screen is installed on the outside of the casing, is rotatably connected to handle at the top of the casing,
The casing is internally provided with detection probe, and the detection probe level deeply detects the inside of cylinder, and the tripod passes through
Hinged seat is mounted on the bottom of casing, and the side of the casing is provided with detection cylinder, and the inside of the casing is close to detection cylinder
Side is equipped with cylinder by bracket, and the detection cylinder is the cylindrical shape that one end is equipped with conical head, and the top of the detection cylinder is leaned on
The side of nearly casing is fixed with vacuum pump, and the vacuum pump is connected by vaccum suction pipe with the inner cavity of detection cylinder, the detection
The bottom side of cylinder is connected with dust collecting trough, and the dust collecting trough is connected by dust collecting duct with the inner cavity of detection cylinder, the detection
Cylinder is internally provided with push top, and the push top is flexibly connected with the inner cavity of detection cylinder, described to have a haircut close to the axle center of casing side
Place is fixedly connected with the telescopic shaft of cylinder, and the end of the detection cylinder offers air inlet, and the inside of the air inlet is equipped with
Valve, the detection cylinder are provided with first conical surface close to the side inner wall of air inlet.
Preferably, the surface of the push top is provided with second conical surface to match with first conical surface, second conical surface
Adhesive surface has bristle, and the outer radial periphery of the push top is provided with elastic cushion, for the inner wall flexible contact with detecting cylinder.
Preferably, the bottom inside of the push top offers opening, and the opening is circle, and with detection probe coaxial line
Setting will test probe when pushing dust for push top and be included in open interior.
Preferably, the dust collecting duct is located at the least significant end in detection cylinder close to first conical surface.
Preferably, the telescopic shaft of the detection probe and cylinder is provided with sealing ring at the inner wall for passing through detection cylinder.
Compared with prior art, the utility model has the beneficial effects that being led to by being internally provided with push top in detection cylinder
Starting cylinder is crossed, using the flexible mobile in the inner cavity of detection cylinder to drive push top of telescopic shaft, to will be attached in detection cylinder
Dust in portion is removed.By being fixed with vacuum pump close to the side of casing at the top of detection cylinder, vacuum pump is inhaled by vacuum
It managing and is connected with the inner cavity of detection cylinder, for will test the evacuating air inside cylinder, vacuum state is formed, when convenient for sampling next time
Air quality and dust content can accurately be detected.The bottom side of detection cylinder is connected with dust collecting trough, dust by elastic strip
Slot is connected by dust collecting duct with the inner cavity of detection cylinder, for when removing is attached to the detection remaining dust of cylinder inner wall, energy
Enough by dust centralized collection, avoids dust from influencing air-borne dust content data when sampling again, improve the accurate of detection data
Property.
Detailed description of the invention
Fig. 1 is the utility model external structure schematic diagram；
Fig. 2 is that cylinder schematic diagram of internal structure is detected in the utility model；
Fig. 3 is schematic diagram of internal structure of having a haircut in the utility model.
In figure: 1- casing；11- display screen；12- handle；13- cylinder；131- bracket；132- telescopic shaft；14- detection is visited
Head；2- tripod；21- hinged seat；3- detects cylinder；31- vacuum pump；311- vaccum suction pipe；32- dust collecting trough；321- dust collecting duct；
33- push top；The second inclined-plane 331-；332- bristle；333- opening；334- elastic cushion；34- air inlet；341- valve；35- first
The conical surface.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, Fig. 2, the utility model provides a kind of technical solution: a kind of dust explosion protection atmospheric detection device, packet
Casing 1, tripod 2 and detection cylinder 3 are included, display screen 11 is installed on the outside of casing 1, for showing the data detected, casing 1
Top is rotatably connected to handle 12, is convenient for carrying, and is also moved easily the present apparatus to the place for needing to detect air.Casing 1
Inside cylinder 13 is equipped with by bracket 131 close to the side of detection cylinder 3, casing 1 is internally provided with detection probe 14, inspection
The inside of the horizontal deeply detection cylinder 3 of probing head 14, detection probe 14 are internally provided with gas sensor and sensor of dust concentration,
The dust concentration and gaseous mass for the gas that inside for detecting detection cylinder 3 is sampled.Tripod 2 is pacified by hinged seat 21
Mounted in the bottom of casing 1, it is used to support entire detection device, convenient for preventing the influence of the dust by ground bottom when detection
(testing staff will adversely affect detection data in the dust that walk process sole takes up).
The side of casing 1 is provided with detection cylinder 3, and threaded connection or fixed cementing mode, which can be used, will test cylinder 3 and set
It sets in the side of casing 1, detecting cylinder 3 is the cylindrical shape that one end is equipped with conical head, detects the top of cylinder 3 close to the side of casing 1
It is fixed with vacuum pump 31, vacuum pump 31 is connected by vaccum suction pipe 311 with the inner cavity of detection cylinder 3, for will test inside cylinder 3
Evacuating air, formed vacuum state, convenient for next time sampling when can accurately detect air quality and dust content.Detect cylinder
3 bottom side is connected with dust collecting trough 32 by elastic strip, and dust collecting trough 32 passes through dust collecting duct 321 and the inner cavity phase for detecting cylinder 3
Connection, for that dust can be avoided to influence dust centralized collection when removing is attached to the detection remaining dust of 3 inner wall of cylinder
Air-borne dust content data when sampling again, improves the accuracy of detection data.
Detection cylinder 3 is internally provided with push top 33, and push top 33 is flexibly connected with the inner cavity of detection cylinder 3, and push top 33 is close to machine
It is fixedly connected at the axle center of 1 side of shell with the telescopic shaft 132 of cylinder 13, by starting cylinder 13, utilizes the flexible of telescopic shaft 132
It is mobile in the inner cavity of detection cylinder 3 to drive push top 33, so that the dust being attached on detection 3 inside of cylinder be removed.Detect cylinder 3
End offers air inlet 34, and the inside of air inlet 34 is equipped with valve 341, and the electricity that can be automatically controlled can be used in valve 341
Magnet valve should close valve 341 when will test 3 inside vacuum pumping state of cylinder using vacuum pump 31, in non-atmospheric sampling,
Also valve 341 should be closed, prevents outside air from entering the inside of detection cylinder 3, influences the accuracy of detection data.Detection cylinder 3 leans on
The side inner wall of nearly air inlet 34 is provided with first conical surface 35, and first conical surface 35 is matched with the conical outer wall of detection cylinder 3, saves
Material is used in production.
As a kind of preferred scheme, match referring to Fig. 3, being provided on the surface of push top 33 with first conical surface 35
The adhesive surface of second conical surface 331, second conical surface 331 has bristle 332, and under dust brush, will have a haircut, 33 outer radial periphery is set
It is equipped with elastic cushion 334, for the inner wall flexible contact with detecting cylinder 3, the wearability of push top 33 is improved, extends the use of push top 33
Service life.
As a kind of preferred scheme, opening 333 is offered in the bottom inside of push top 33, opening 333 is circle, and with
Detection probe 14 is coaxially set, and will test probe 14 when pushing dust for push top 33 and is included in inside opening 333.
It prevents during pushing back and forth, push top 33 collides detection probe 14.
As a kind of preferred scheme, dust collecting duct 321 is located at the least significant end in detection cylinder 3 close to first conical surface 35, powder
After dirt is moved back and forth under brush by push top 33, dust is fallen from second conical surface 331 along 33 tapers of push top, is finally pushed to
In the dust collecting duct 321 of bottom, then enter dust collecting trough 32.
As a kind of preferred scheme, the telescopic shaft 132 of detection probe 14 and cylinder 13 is at the inner wall for passing through detection cylinder 3
It is provided with sealing ring, for the inner cavity of casing 1 to be isolated with the inner cavity of detection cylinder 3, realizes that the extraction of vacuum pump 31 is empty
The operation of gas.
Vacuum pump 31, cylinder 13 and valve 341 in the present embodiment are electrical with the power supply installed inside casing 1 respectively
Connection.
Working principle: when needing to sample, Open valve 341 allows ambient atmos to enter in detection cylinder 3 by air inlet 34
Portion tests and analyzes dust content and air quality in air using detection probe 14, when detection finishes, by opening cylinder
13 are moved back and forth in detection cylinder 3 using the driving of telescopic shaft 132 push top 33, and the dust being attached on detection 3 inner wall of cylinder is cleared up
Getting off, the dust cleaned up finally enters dust collecting trough 32 by dust collecting duct 321 because of the push of push top 33, valve 341 is then closed,
It will test the extraction of the air inside cylinder 3 by vacuum pump 31, allow detection 3 inner cavity of cylinder to form vacuum state, done for next sub-sampling
Prepare.
It should be noted that, in this document, the relational terms of such as " first ", " second " etc are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence, indication or suggestion relative importance can not be interpreted as.Term " includes ", " packet
Containing " or any other variant thereof is intended to cover non-exclusive inclusion, so that including the process of a series of elements, side
Method, article or equipment not only include those elements, but also including other elements that are not explicitly listed, or further include
For elements inherent to such a process, method, article, or device.
In the present invention, unless otherwise indicated, " several " are meant that two or more；Term " peace
Dress ", " connected ", " connection ", the terms such as " fixation " shall be understood in a broad sense, can also be with for example, " connection " may be a fixed connection
It is to be detachably connected, or be integrally connected, can be directly connected, it can also be indirectly connected through an intermediary.For ability
For the those of ordinary skill in domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of dust explosion protection atmospheric detection device, including casing (1), tripod (2) and detection cylinder (3), the casing (1) is outside
Side is equipped with display screen (11), is rotatably connected to handle (12) at the top of the casing (1), the inside setting of the casing (1)
Have detection probe (14), the inside of horizontal deeply detection cylinder (3) of the detection probe (14), the tripod (2) passes through hinged
Seat (21) is mounted on the bottom of casing (1), and the side of the casing (1) is provided with detection cylinder (3), it is characterised in that: the machine
The inside of shell (1) is equipped with cylinder (13) close to the side of detection cylinder (3) by bracket (131), and the detection cylinder (3) is one end
The top of cylindrical shape equipped with conical head, detection cylinder (3) is fixed with vacuum pump (31) close to the side of casing (1), described
Vacuum pump (31) is connected by vaccum suction pipe (311) with the inner cavity of detection cylinder (3), the bottom side card of detection cylinder (3)
It is connected to dust collecting trough (32), the dust collecting trough (32) is connected by dust collecting duct (321) with the inner cavity of detection cylinder (3), the inspection
Being internally provided with push top (33) for cylinder (3) is surveyed, the push top (33) is flexibly connected with the inner cavity for detecting cylinder (3), the push top
(33) it is fixedly connected at the axle center of casing (1) side with the telescopic shaft (132) of cylinder (13), the end of detection cylinder (3)
Portion offers air inlet (34), and the inside of the air inlet (34) is equipped with valve (341), and the detection cylinder (3) is close to air inlet
The side inner wall of mouth (34) is provided with first conical surface (35).
2. a kind of dust explosion protection atmospheric detection device according to claim 1, it is characterised in that: the table of the push top (33)
Face is provided with second conical surface (331) to match with first conical surface (35), and the adhesive surface of second conical surface (331) has bristle
(332), the outer radial periphery of the push top (33) is provided with elastic cushion (334), for the inner wall flexible contact with detecting cylinder (3).
3. a kind of dust explosion protection atmospheric detection device according to claim 2, it is characterised in that: the bottom of the push top (33)
It is offered opening (333) on the inside of portion, the opening (333) is circle, and is coaxially set with detection probe (14), for having a haircut
(33) it will test probe (14) when pushing dust and be included in opening (333) inside.
4. a kind of dust explosion protection atmospheric detection device according to claim 1, it is characterised in that: the dust collecting duct
(321) it is located at the least significant end in detection cylinder (3) close to first conical surface (35).
5. a kind of dust explosion protection atmospheric detection device according to claim 1, it is characterised in that: the detection probe (14)
Sealing ring is provided at the inner wall for passing through detection cylinder (3) with the telescopic shaft (132) of cylinder (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920231143.1U CN209656511U (en) | 2019-02-25 | 2019-02-25 | A kind of dust explosion protection atmospheric detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920231143.1U CN209656511U (en) | 2019-02-25 | 2019-02-25 | A kind of dust explosion protection atmospheric detection device |
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| Publication Number | Publication Date |
|---|---|
| CN209656511U true CN209656511U (en) | 2019-11-19 |
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ID=68524981
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920231143.1U Active CN209656511U (en) | 2019-02-25 | 2019-02-25 | A kind of dust explosion protection atmospheric detection device |
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| Country | Link |
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| CN (1) | CN209656511U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264580A (en) * | 2021-11-19 | 2022-04-01 | 上海龙象环保科技股份有限公司 | Explosion-proof type high concentration dust on-line measuring device |
-
2019
- 2019-02-25 CN CN201920231143.1U patent/CN209656511U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264580A (en) * | 2021-11-19 | 2022-04-01 | 上海龙象环保科技股份有限公司 | Explosion-proof type high concentration dust on-line measuring device |
| CN114264580B (en) * | 2021-11-19 | 2024-01-26 | 上海龙象环保科技股份有限公司 | Explosion-proof type high concentration dust on-line measuring device |
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