CN206906076U - A kind of foundation ditch dust sampling device - Google Patents
A kind of foundation ditch dust sampling device Download PDFInfo
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- CN206906076U CN206906076U CN201720420090.9U CN201720420090U CN206906076U CN 206906076 U CN206906076 U CN 206906076U CN 201720420090 U CN201720420090 U CN 201720420090U CN 206906076 U CN206906076 U CN 206906076U
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- Prior art keywords
- dust
- storage chamber
- filter membrane
- slot
- foundation ditch
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Abstract
Sampling apparatus field is the utility model is related to, specially a kind of foundation ditch dust sampling device, its object is to provide a kind of foundation ditch dust sampling device, samples and weighs while carry out, be easy to dust measurement, while ensure measurement accuracy；It includes casing (1), dust collect plant (2) and closure (3), it is characterised in that：The casing (1) includes housing (101), housing (101) is internal to be divided into power cavity (4), negative pressure cavity (5) and dust-collecting cavity (6) by first partition (103) and second partition (104), the aspiration pump (8) for leading to negative pressure cavity (5) is provided with power cavity (4), aspiration pump (8) is connected with motor (7), and dust-collecting cavity (6) is divided into the first dust storage chamber (16) and the second dust storage chamber (17) by the 3rd dividing plate (15)；Its advantage is：Electronic scale can record the weight that dust collect plant enters before and after dust, carry out soot density calculating, by the degree of accuracy for provided with two groups of dust collect plants, improving measurement.
Description
Technical field
Sampling apparatus field is the utility model is related to, specially a kind of foundation ditch dust sampling device.
Background technology
Dust refers to the solid particle in atmosphere of suspending, and traditionally has many titles to dust, as dust, dust, flue dust,
Mine dust, sand and dust, powder etc., these nouns do not have obvious boundary.ISO, particle diameter are less than 75um solid
Suspension is defined as dust.One of the main reason for global warming is kept during the presence of dust in an atmosphere, it is excessive in air or
Very few dust will produce disastrous effect to environment.But in live and work, industrial dust is the day of human health
Enemy, it is the main reason for inducing a variety of diseases.Air quality is of poor quality compared to atmospheric air in foundation ditch, it is therefore desirable to air matter
Amount is monitored, and foundation ditch dust sampling device is then for gathering dust, and then for detecting the concentration of dust, traditional adopts
The use cost of sampling device is higher, and operation is more complicated, in-convenience in use.The patent of Application No. 201620953610.8 is public
A kind of mining dust sampling device is opened, its technical scheme includes casing, and the casing is connected by air inlet pipe with sampling mouth, described
One end of casing is fixed with escape pipe, and the front of the casing is fixed with timer, and one end of the box house is provided with
First filter membrane, is fixed with closure at the top of the casing, and one end of the sampling mouth is fixed with sealing ring, and described first
One end of filter membrane is fixed with dust storage chamber, and the top of the dust storage chamber is connected by geometrical clamp with wire netting, first filter membrane
It is connected by the dust storage chamber with the second filter membrane, one end of second filter membrane is fixed with air pump, and the one of the air pump
End is fixed with motor, and the top of the closure is fixed with the handle for being cased with Anti-slip cover.Although this technical scheme utilizes double
Layer filter membrane intercepts dust, makes sampling more accurate, but this device, when calculating dust concentration, need first claim the dust of collection
Weight, this operation makes dust measurement become trouble, while can spread the dust of collection, causes dust concentration to calculate inaccurate,
Therefore a kind of foundation ditch dust sampling device is devised, samples and weigh while carry out, be easy to dust measurement, while ensure measurement essence
Degree.
Utility model content
The purpose of this utility model is to provide a kind of foundation ditch dust sampling device, samples and weigh while carry out, be easy to
Dust measurement, while ensure measurement accuracy.
To achieve these goals, the utility model is achieved using following technical scheme：
A kind of foundation ditch dust sampling device, including casing 1, dust collect plant 2 and closure 3, it is characterised in that：The casing
1 includes housing 101, is divided into power cavity 4, negative pressure cavity 5 by first partition 103 and second partition 104 inside housing 101 and collects
Dirt chamber 6, the aspiration pump 8 for leading to negative pressure cavity 5 is provided with power cavity 4, aspiration pump 8 is connected with motor 7, dust-collecting cavity 6 by the 3rd every
Plate 15 is divided into the first dust storage chamber 16 and the second dust storage chamber 17, between the first dust storage chamber 16 and the second dust storage chamber 17 and negative pressure cavity 5
Second partition 104 be provided with passage 105, set in the first dust storage chamber 16 and the second cavity wall of the dust storage chamber 17 away from negative pressure cavity 5
There is air inlet 109, air inlet pipe 10 is sealedly connected with air inlet 109, the other end of air inlet pipe 10 is sealedly connected with suction nozzle 11,
Air inlet pipe 10 is provided with switch valve 12 and mass air flow sensor 13, and the bottom of the dust storage chamber 17 of the first dust storage chamber 16 and second is provided with
Electronic scale 9, the outer wall of housing 101 corresponding with electronic scale 9 are provided with weight display screen 21, first dust storage chamber 16 and
The opening of two dust storage chambers 17 is provided with the first slot 18 and the second slot 19, and the outside of the first slot 18 and the second slot 19 is provided with
Seal groove 20, dust collect plant 2 is provided with the dust storage chamber 17 of the first dust storage chamber 16 and second, and the top of dust collect plant 2 is provided with
Closure 3, the outer wall of the housing 101 are provided with timer 108, set on the casing 1 with the 10 corresponding other end of air inlet pipe
There is escape pipe 106, the top of the casing 1 is provided with handle 107, and the bottom of casing 1 is provided with rubber supporting leg 102.
A pair of outer walls of the dust collect plant 2 are provided with and 19 corresponding second inserted block 201 of the second slot, dust collect plant 2
Another pair outer wall be provided with air admission hole 202 corresponding with air inlet 109 and passage 105 and venthole 203, dust collect plant 2
Inside be provided with two groups of filter membrane slots 204, be inserted with the first filter membrane device 22 and the second filter membrane device in two groups of filter membrane slots 204
23。
The closure 3 includes lid 301, and the bottom of lid 301 is connected with sealing block 303, set around sealing block 303
There is rubber gasket 302 corresponding with seal groove 20, be provided between the sealing block 303 and rubber gasket 302 and inserted with first
First inserted block 304 corresponding to groove 18, the top of the lid 301 are provided with handle 305.
The filter membrane device 23 of first filter membrane device 22 and second is by rectangle frame 24 and the filter membrane in rectangle frame 24
25 compositions.
The bottom of dust collect plant 2 is provided with sealing slot 205 corresponding to the first filter membrane device 22 and the second filter membrane device 23.
The neck 19 of first neck 18 and second is dove-tail form.
The mass air flow sensor 13 is provided with air mass flow display screen 14.
The beneficial effects of the utility model are：It is of the present utility model simple in construction, cheap and practical, lead to
To cross and the gas containing dust can be sucked from air inlet pipe provided with air pump so that gas enters dust collect plant, and by first
Before the effect of filter membrane device and the second filter membrane device causes dust to be intercepted, while the recordable dust collect plant of electronic scale enters dust
Weight afterwards, soot density calculating is carried out, by provided with two groups of dust collect plants, can more be apparent from soot density, improve
The degree of accuracy of measurement.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1 exploded view.
Fig. 3 is the top view of the utility model middle case.
Fig. 4 is Fig. 3 A-A sectional views.
Fig. 5 is the structural representation of dust collect plant.
Fig. 6 is the structural representation one of closure.
Fig. 7 is the structural representation two of closure.
Fig. 8 is the structural representation of filter membrane device.
Shown in figure：Casing 1, dust collect plant 2, closure 3, power cavity 4, negative pressure cavity 5, dust-collecting cavity 6, motor 7, aspiration pump
8, electronic scale 9, air inlet pipe 10, suction nozzle 11, switch valve 12, mass air flow sensor 13, air mass flow display screen 14, the 3rd dividing plate
15, the first dust storage chamber 16, the second dust storage chamber 17, the first slot 18, the second slot 19, seal groove 20, weight display screen 21, first
Filter membrane device 22, the second filter membrane device 23, rectangle frame 24, filter membrane 25, housing 101, rubber supporting leg 102, first partition 103, the
Two dividing plates 104, passage 105, escape pipe 106, handle 107, timer 108, air inlet 109, the second inserted block 201, air admission hole
202, venthole 203, filter membrane slot 204, slot 205 is sealed, lid 301, rubber gasket 302, sealing block 303, first inserts
Block 304, handle 305.
Embodiment
Structure of the present utility model and its advantage are further illustrated below in conjunction with accompanying drawing 1 to accompanying drawing 8.
Example 1：
As shown in Figures 1 to 8, a kind of foundation ditch dust sampling device, including casing 1, dust collect plant 2 and closure 3, it is special
Sign is：The casing 1 includes housing 101, is divided into power by first partition 103 and second partition 104 inside housing 101
Chamber 4, negative pressure cavity 5 and dust-collecting cavity 6, power cavity 4 is interior to be provided with the aspiration pump 8 for leading to negative pressure cavity 5, and aspiration pump 8 is connected with motor 7, is collected
Dirt chamber 6 is divided into the first dust storage chamber 16 and the second dust storage chamber 17, the first dust storage chamber 16 and the second dust storage chamber by the 3rd dividing plate 15
Second partition 104 between 17 and negative pressure cavity 5 is provided with passage 105, and the first dust storage chamber 16 and the second dust storage chamber 17 are away from negative
The cavity wall of pressure chamber 5 is provided with air inlet 109, and air inlet pipe 10, the other end sealing of air inlet pipe 10 are sealedly connected with air inlet 109
Suction nozzle 11 is connected with, air inlet pipe 10 is provided with switch valve 12 and mass air flow sensor 13, and first dust storage chamber 16 and second collects
The bottom of dirt room 17 is provided with electronic scale 9, and the outer wall of housing 101 corresponding with electronic scale 9 is provided with weight display screen 21, and described
The opening of one dust storage chamber 16 and the second dust storage chamber 17 is provided with the first slot 18 and the second slot 19, the first slot 18 and second
The outside of slot 19 is provided with seal groove 20, and dust collect plant 2, dust are provided with the dust storage chamber 17 of the first dust storage chamber 16 and second
The top of device 2 is provided with closure 3.The speed that air enters air inlet pipe is can detect and recorded by mass air flow sensor 13, that is, is adopted
Sample flow.And two dust storage chambers can be used for two groups of data of record, is convenient for blank or averages, when for blank pair
Than when, one of switch valve is closed, another switch valve open, then proceed by sample detecting；When averaging,
Two switch valves can enough be opened, then proceed by sample detecting, the soot density value for detecting calculating is averaged.
The outer wall of the housing 101 is provided with timer 108, is set on the casing 1 with the 10 corresponding other end of air inlet pipe
There is escape pipe 106, the top of the casing 1 is provided with handle 107, and the bottom of casing 1 is provided with rubber supporting leg 102.Pass through timer
108 can show that air enters the time of dust collect plant 2, and timer records sample time by the way of countdown herein.
A pair of outer walls of the dust collect plant 2 be provided with 19 corresponding second inserted block 201 of the second slot, so as to dust fill
Put 2 to be fixed on casing 1, another pair outer wall of dust collect plant 2 is provided with and the 105 corresponding air inlet of air inlet 109 and passage
Hole 202 and venthole 203, so that gas open is by the way that the inside of dust collect plant 2 is provided with two groups of filter membrane slots 204, two groups of filters
The first filter membrane device 22 and the second filter membrane device 23 are inserted with film slot 204.Two groups of filter membrane devices are as far as possible by air
Dust catching, it is possible to increase the degree of accuracy of measurement.
The closure 3 includes lid 301, and the bottom of lid 301 is connected with sealing block 303, set around sealing block 303
There is rubber gasket 302 corresponding with seal groove 20, to be tightly connected between closure 3 and casing 1, avoid dust from revealing,
Between the sealing block 303 and rubber gasket 302 be provided with 18 corresponding first inserted block 304 of the first slot, so as to closure 3
It is fixed on casing 1, the top of the lid 301 is provided with handle 305.
The filter membrane device 23 of first filter membrane device 22 and second is by rectangle frame 24 and the filter membrane in rectangle frame 24
25 compositions.
The bottom of dust collect plant 2 is provided with sealing slot 205 corresponding to the first filter membrane device 22 and the second filter membrane device 23,
Dust is avoided to reveal.
The neck 19 of first neck 18 and second is dove-tail form.
The mass air flow sensor 13 is provided with air mass flow display screen 14.
The distance between the described top of filter membrane slot 204 and the top of dust collect plant 2 are equal to the thickness of sealing block 303.
The course of work of the present utility model is：The numerical value on weight display screen 21 is recorded first, then adjusts timer 108
After section, motor 7 drives air pump 8 to move aspirating chamber negative pressure cavity 5 and produces negative pressure, forms air-flow, air enters suction nozzle 11, gas
Dust collect plant 2 is entered via air inlet pipe 10 by suction nozzle 11, finally discharged by escape pipe 106, gas enters dust collect plant 2
Afterwards, dust is stayed on the first filter membrane device 22 and the second filter membrane device 23, or is dropped and terminated in the bottom of dust collect plant 2, sampling
Afterwards, the numerical value on weight display screen 21 is recorded again, and front and rear weight subtracts each other the amount that can be increased weight, passes through mass air flow sensor 13
Detectable and record air enters the speed of air inlet pipe, i.e. sampling flow, reads sample time by timer, then calculates quilt
Detect the dust concentration in air.Its formula is：Dust concentration=gross weight (after collection weight-weight before collection) (mg)/take
Sample flow (L/min) * sample times (min)
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.
Claims (7)
1. a kind of foundation ditch dust sampling device, including casing (1), dust collect plant (2) and closure (3), it is characterised in that：It is described
Casing (1) includes housing (101), and housing (101) is internal to be divided into power by first partition (103) and second partition (104)
Chamber (4), negative pressure cavity (5) and dust-collecting cavity (6), power cavity (4) is interior to be provided with the aspiration pump (8) for leading to negative pressure cavity (5), aspiration pump (8)
It is connected with motor (7), dust-collecting cavity (6) is divided into the first dust storage chamber (16) and the second dust storage chamber (17) by the 3rd dividing plate (15),
Second partition (104) between first dust storage chamber (16) and the second dust storage chamber (17) and negative pressure cavity (5) is provided with passage
(105), the cavity wall of the first dust storage chamber (16) and the second dust storage chamber (17) away from negative pressure cavity (5) is provided with air inlet (109), air inlet
Air inlet pipe (10) is sealedly connected with mouth (109), the other end of air inlet pipe (10) is sealedly connected with suction nozzle (11), air inlet pipe
(10) it is provided with the bottom of switch valve (12) and mass air flow sensor (13), first dust storage chamber (16) and the second dust storage chamber (17)
Provided with electronic scale (9), the outer wall of housing (101) corresponding with electronic scale (9) is provided with weight display screen (21), first collection
The opening of dirt room (16) and the second dust storage chamber (17) is provided with the first slot (18) and the second slot (19), the first slot (18) and
The outside of second slot (19) is provided with seal groove (20), and collection is provided with first dust storage chamber (16) and the second dust storage chamber (17)
Dirt device (2), dust collect plant (2) top are provided with closure (3), and the outer wall of the housing (101) is provided with timer
(108), the other end corresponding with air inlet pipe (10) is provided with escape pipe (106), the top of the casing (1) on the casing (1)
Provided with handle (107), the bottom of casing (1) is provided with rubber supporting leg (102).
A kind of 2. foundation ditch dust sampling device according to claim 1, it is characterised in that：The one of the dust collect plant (2)
Be provided with the second inserted block (201) corresponding with the second slot (19) to outer wall, another pair outer wall of dust collect plant (2) be provided with
Air admission hole (202) and venthole (203), the inside of dust collect plant (2) are provided with corresponding to air inlet (109) and passage (105)
Two groups of filter membrane slots (204), two groups of filter membrane slots (204) are interior to be inserted with the first filter membrane device (22) and the second filter membrane device (23).
A kind of 3. foundation ditch dust sampling device according to claim 1, it is characterised in that：The closure (3) includes lid
Body (301), the bottom of lid (301) are connected with sealing block (303), and it is right with seal groove (20) to be provided with around sealing block (303)
The rubber gasket (302) answered, it is right with the first slot (18) to be provided between the sealing block (303) and rubber gasket (302)
The first inserted block (304) answered, the top of the lid (301) are provided with handle (305).
A kind of 4. foundation ditch dust sampling device according to claim 2, it is characterised in that：First filter membrane device (22)
It is made up of with the second filter membrane device (23) rectangle frame (24) and the filter membrane (25) in rectangle frame (24).
A kind of 5. foundation ditch dust sampling device according to claim 1, it is characterised in that：Dust collect plant (2) bottom
Provided with sealing slot (205) corresponding to the first filter membrane device (22) and the second filter membrane device (23).
A kind of 6. foundation ditch dust sampling device according to claim 1, it is characterised in that：First slot (18) and
Two slots (19) are dove-tail form.
A kind of 7. foundation ditch dust sampling device according to claim 1, it is characterised in that：On the mass air flow sensor (13)
Provided with air mass flow display screen (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720420090.9U CN206906076U (en) | 2017-04-20 | 2017-04-20 | A kind of foundation ditch dust sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720420090.9U CN206906076U (en) | 2017-04-20 | 2017-04-20 | A kind of foundation ditch dust sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206906076U true CN206906076U (en) | 2018-01-19 |
Family
ID=61289938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720420090.9U Expired - Fee Related CN206906076U (en) | 2017-04-20 | 2017-04-20 | A kind of foundation ditch dust sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206906076U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279197A (en) * | 2018-04-26 | 2018-07-13 | 孝感华工高理电子有限公司 | A kind of dust sensor |
| CN114608902A (en) * | 2022-03-10 | 2022-06-10 | 安徽理工大学 | Dust collecting and analyzing equipment with automatic film changing device for coal mine working face |
-
2017
- 2017-04-20 CN CN201720420090.9U patent/CN206906076U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279197A (en) * | 2018-04-26 | 2018-07-13 | 孝感华工高理电子有限公司 | A kind of dust sensor |
| CN114608902A (en) * | 2022-03-10 | 2022-06-10 | 安徽理工大学 | Dust collecting and analyzing equipment with automatic film changing device for coal mine working face |
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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: 20180119 Termination date: 20190420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |