CN108801719B - Air dust is collection system regularly convenient to sample - Google Patents
Air dust is collection system regularly convenient to sample Download PDFInfo
- Publication number
- CN108801719B CN108801719B CN201810703276.4A CN201810703276A CN108801719B CN 108801719 B CN108801719 B CN 108801719B CN 201810703276 A CN201810703276 A CN 201810703276A CN 108801719 B CN108801719 B CN 108801719B
- Authority
- CN
- China
- Prior art keywords
- sampling
- incomplete gear
- sheet
- spring
- plate
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
Abstract
The invention provides an air dust timing acquisition device convenient for sampling, which realizes the respective sampling of dust in different time of air, and is convenient for sealing and sampling after sampling; the technical scheme for solving the problem comprises a barrel, wherein a rotary table is arranged in the barrel, a sampling sheet is arranged on the rotary table, a gear shaft is connected below the rotary table, an incomplete gear is arranged on a bottom plate of the barrel, a sampling port is arranged on the side wall of the barrel, and partition plates arranged on the left side and the right side of the sampling port are arranged in the barrel; a material taking port is arranged in the cylinder, a top rod is arranged on a bottom plate of the cylinder, a first spring is connected between the top rod and the cylinder, a bulge is arranged at the upper end of the incomplete gear, two sides of the bulge are inclined planes, and the top rod moves upwards to jack up the sampling sheet in the through groove to the material taking port, so that the lower end face of the incomplete gear is pressed on the upper end face of the pressing plate; the invention has novel conception and smart structure.
Description
Technical Field
The invention relates to the technical field of gas dust collection, in particular to an air dust timing collection device convenient for sampling.
Background
Under the background that environmental problems are becoming more severe at present, air quality detection is particularly important, and there are many factors causing air pollution, wherein PM2.5 is an important index for distinguishing air quality, and PM2.5 refers to the content of fine dust in air, so a dust sampling device is required for detecting the content of dust in air.
The traditional sampling device is very simple and can only realize the content of dust in the air in one time period, which has no reference for the research on the air quality, and the content and the type of the dust in different time periods are slightly different, so the detection on the air quality has universality only by sampling the dust in the air from different times.
Therefore, the present invention provides a dust sampling and processing device to solve the above problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the air dust timing acquisition device convenient for sampling, so that dust in air in different time periods can be respectively sampled, the sampling is convenient to seal and sample, and the convenience of subsequent treatment is improved.
The technical scheme includes that the device comprises a vertically placed barrel body, the barrel body is of a hollow shell-shaped structure, a horizontal and intermittently rotatable rotary table is installed in the barrel body, a plurality of circumferentially and uniformly distributed through grooves are formed in the rotary table, a sampling sheet is placed in each through groove, the sampling sheet can move upwards but cannot move downwards in the through grooves, a gear shaft is connected below the rotary table, an incomplete gear capable of being meshed with the gear shaft is arranged on a bottom plate of the barrel body, a sampling port is formed in the side wall of the barrel body, the sampling sheet is placed at the sampling port, the lower end of the sampling port is flush with the upper end face of the rotary table, the width of the sampling port is equal to the width of the through grooves, and partition plates which are;
the barrel is internally provided with a material taking port arranged above the turntable, the incomplete gear rotates for a circle to enable a sampling sheet at the sampling port to rotate to the material taking port, a top rod which is arranged under the material taking port and can move up and down is arranged on a bottom plate of the barrel, a horizontally arranged press plate is arranged on the top rod, a first spring is connected between the lower end of the press plate and the bottom plate of the barrel, when the incomplete gear is meshed with a gear shaft, the lower end surface of the press plate is pressed on the upper end surface of the incomplete gear, the first spring is in the original length, the upper end of the top rod is arranged under the turntable, a bulge which can be contacted with the press plate is arranged at the edge of the upper end surface of the incomplete gear, two sides of the bulge are inclined planes, the top rod can move upwards through the bulge by the rotation of the incomplete gear, at the moment, the first spring is in a stretching state, the top rod, the ejector rod moves downwards under the action of the first spring so that the lower end face of the pressing plate presses the upper end face of the incomplete gear.
The dust sampler has novel concept and ingenious structure, well realizes the respective sampling of dust in air in different time, simultaneously is convenient for sealing and sampling after sampling, and improves the convenience of subsequent treatment.
Drawings
FIG. 1 is a top plan view of the internal turntable of the barrel of the present invention.
FIG. 2 is a view taken along the line A of FIG. 1 according to the present invention.
FIG. 3 is a view from the direction B of FIG. 1 according to the present invention.
FIG. 4 is a schematic view illustrating a state of the lift pin of FIG. 3 according to the present invention.
FIG. 5 is a top view of the present invention with the turntable removed.
Fig. 6 is a perspective view of a partial gear of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As can be seen from fig. 1-6, the invention comprises a vertically placed cylinder 1, the cylinder 1 is a hollow shell-shaped structure, a horizontal and intermittently rotatable rotary table 2 is installed in the cylinder 1, a plurality of circumferentially and uniformly distributed through grooves 3 are formed on the rotary table 2, a sampling sheet 4 is placed in each through groove 3, the sampling sheet 4 can move upwards but cannot move downwards in the through groove 3, a gear shaft 5 is connected below the rotary table 2, an incomplete gear 6 capable of being meshed with the gear shaft 5 is arranged on a bottom plate of the cylinder 1, a sampling port 7 is arranged on a side wall of the cylinder 1, the sampling sheet 4 is arranged at the sampling port 7, the lower end of the sampling port 7 is flush with the upper end face of the rotary table 2, the width of the sampling port 7 is equal to that of the through grooves 3, and partition plates 8 which are vertically placed on the left and right;
a material taking port 13 arranged above the rotary table 2 is arranged in the cylinder 1, the incomplete gear 6 rotates for a circle to enable the sampling sheet 4 at the sampling port 7 to rotate to the material taking port 13, a push rod 9 which is arranged under the material taking port 13 and can move up and down is arranged on a bottom plate of the cylinder 1, a pressure plate 10 which is horizontally arranged is arranged on the push rod 9, a first spring 11 is connected between the lower end of the pressure plate 10 and the bottom plate of the cylinder 1, when the incomplete gear 6 is meshed with the gear shaft 5, the lower end surface of the pressure plate 10 is pressed on the upper end surface of the incomplete gear 6, at the moment, the first spring 11 is in the original length, the upper end of the push rod 9 is arranged below the rotary table 2, a bulge 12 which can be contacted with the pressure plate 10 is arranged at the edge of the upper end surface of the incomplete gear 6, two sides of the bulge 12 are inclined planes, the push rod 9 can move, the push rod 9 moves upwards to push up the sampling sheet 4 in the through groove 3 to the material taking port 13, after the incomplete gear 6 continues to rotate to separate the press plate 10 from the protrusion 12, the push rod 9 moves downwards under the action of the first spring 11 to press the lower end face of the press plate 10 on the upper end face of the incomplete gear 6.
In order to store and uniformly collect the sampling sheet 4 conveniently, the material taking port 13 is internally provided with a collecting box 14, the collecting box 14 is of a cylindrical structure with an open lower end, the left side wall and the right side wall of the collecting box 14 are respectively provided with a telescopic wedge-shaped block 15, a second spring 16 is connected between each wedge-shaped block 15 and the corresponding side wall of the collecting box 14, the wedge-shaped blocks 15 are arranged inside the collecting box 14 under the action of the second springs 16, the sampling sheet 4 moves upwards to extrude the wedge-shaped blocks 15 to move towards two sides, and when the sampling sheet 4 is arranged above the wedge-shaped blocks 15, the wedge-shaped blocks 15 can be clamped on the lower end face of the sampling sheet 4 under the action of the second springs 16 to enable.
In order to conveniently seal and store the sampling sheet 4 after sampling, a sealing plate 17 arranged above the wedge block 15 is arranged in the collection box 14, a third spring 18 is connected between the sealing plate 17 and a top plate of the collection box 14, in an initial state, under the action of the third spring 18, the lower end face of the sealing plate 17 is in contact with the upper end face of the wedge block 15, the sampling sheet 4 moves upwards to enable the upper end face of the sampling sheet 4 to be in contact with the lower end face of the sealing plate 17, the sampling sheet 4 can be compressed when being arranged above the wedge block 15, and the upper end of the sampling sheet 4 is sealed under the pressure of the third spring 18 and the action of the sealing plate 17.
In order to jack up the sampling sheet 4 which has been sampled when the top rod 9 jacks up, the notch 12 on the incomplete gear 6 is arranged at the position which is symmetrical with the tooth part on the incomplete gear 6, and the rotating direction of the rotating disc 2 is clockwise.
In order to facilitate taking and using the collecting box 14, the collecting box 14 is placed in the material taking port 13, the top plate of the collecting box 14 is larger than the width of the material taking port 13 and is placed outside the barrel 1, and a pull ring 19 is installed on the top plate of the collecting box 14.
In order to jack up the wedge-shaped block 15 when the sampling sheet 4 moves upwards, a chamfer is arranged around the upper end of the sampling sheet 4.
In order to improve the efficiency of dust sampling, the sampling port 7 of the cylinder 1 is provided with an air suction pipe 22, the lower end of the incomplete gear 6 is connected with a motor 20, and the motor 20 is fixed on the bottom plate of the cylinder 1.
In order to better jack up the sampling sheet 4, the upper end of the ejector rod 9 is provided with a flat plate 21, the width of the flat plate 21 is smaller than that of the sampling sheet 4, and the flat plate 21 is higher than the wedge-shaped block 15 by the highest position of upward movement of the ejector rod 9.
When the dust sampling device is used specifically, the whole device is firstly placed at a place where dust sampling is needed, after the dust sampling device is placed, when the dust sampling device is in an initial state, one sampling sheet 4 is placed at a sampling port 7, the sampling port 7 is communicated with the outside, and is in an isolated state with the inside of a cylinder body 1 under the action of a partition plate 8, the sampling sheet 4 at the sampling port 7 can collect dust in outside air for sampling, in order to accelerate sampling efficiency and air flow, an air suction pipe 22 is designed at the sampling port 7, so that a large amount of air can enter the sampling port 7, the dust can quickly fall on the sampling sheet 4, when a certain time is passed, a motor 20 is started, the motor 20 can drive an incomplete gear 6 to rotate, the rotation of the incomplete gear 6 can intermittently drive a rotating disc 2 to rotate, the sampling sheet at the sampling port 7 can be rotated to a material taking port 13 every time when the incomplete gear 6 rotates for one circle, the next sampling sheet 4 to be sampled comes to the sampling port 7 to be sampled circularly, the sampling sheet 4 which has been sampled rotates to the position above the ejector rod 9 at the sampling port 13, at this time, because the lower end surface of the pressing plate 10 is pressed on the upper end surface of the incomplete gear 6, under the action of the first spring 11, the pressing plate 10 is always in contact with the incomplete gear 6, at this time, the upper end of the ejector rod 9 is below the turntable 2, because the upper end surface of the incomplete gear 6 is provided with the bulge 12, along with the rotation of the incomplete gear 6, when the bulge 12 rotates to the position of the pressing plate 10, because the two sides of the bulge 12 are of the inclined plane structure, the rotation of the incomplete gear 6 can upwards jack the pressing plate 10 through the inclined plane at the side edge of the bulge 12, further driving the ejector rod 9 to upwards move, the first spring 11 is stretched, at this time, under the action of the tension of the first spring 11, the pressing plate 10 is always in, the push rod 9 can move upwards more stably, the push rod 9 can move upwards to jack up the sampling sheet 4 which is sampled in the through groove 3 through the flat plate 21, the collecting box 14 which is arranged in the material taking opening 13 is arranged in the barrel body 1, the lower end of the collecting box 14 is of an opening structure, when the push rod 9 jacks up the sampling sheet 4, the sampling sheet 4 can enter the collecting box 14, the wedge block 15 is arranged on the side wall of the collecting box 14, the wedge block 15 can be extruded to two sides in the upward movement process of the sampling sheet 4, when the sampling sheet 4 is arranged above the wedge block 15, the upper end of the sampling sheet 4 can jack up the sealing plate 17 to enable the sealing plate 17 to move upwards, the third spring 18 is compressed, under the action of the third spring 18, the sealing plate 17 can be well pressed on the upper end of the sampling sheet 4 to realize the sealing of a sampling area, and meanwhile, the wedge block 15 can be clamped at the lower end of the sampling sheet 4 under the action, with the rotation of the incomplete gear 6, the pressing plate 10 can slowly separate from the protrusion 12, at this time, under the action of the first spring 11, the ejector rod 9 can move downwards, and finally the pressing plate 10 is restored to a state of being in contact with the upper end face of the incomplete gear 6; at this time, the sampling sheet 4 cannot move downwards under the action of the wedge-shaped block 15, so that the sampling sheet 4 is collected in the collection box 14; along with the rotation of the incomplete gear 6, the sampling of the dust sampling position at different times can be intermittently realized, and meanwhile, the sampled sampling sheets 4 can be well collected in the collecting box 14 under the action of the ejector rod 9, so that the uniform storage and sealing of the sampling sheets 4 are realized.
Wherein barrel 1 designs upper portion curb plate and roof structure as an organic whole, and can break away from with the bottom plate, and when using, the user can take off the upper portion of barrel 1 at first, puts into sampling piece 4 in logical groove 3 on the carousel, places the upper portion of barrel 1 on the bottom plate afterwards, can adopt the connection structure of key-keyway between carousel 2 and the gear shaft 5.
According to the invention, by designing the structure of the incomplete gear 6 and the turntable 2, the incomplete gear 6 can intermittently drive the turntable 2 to rotate, so that the sampling sheets 4 at different positions on the turntable 2 can successively rotate to the position of the sampling port 7 of the cylinder 1 for sampling, and meanwhile, because the sampling port 7 is provided with the partition plate 8, the lower end surface of the partition plate 8 is in fit arrangement with the upper end surface of the turntable 2, so that the interference on the sampling sheets 4 which are not at the position of the sampling port 7 can be well avoided, the independence of each sampling is ensured, and the representativeness of an analysis result is improved.
The invention designs the mutual matching of the mandril 9 arranged at one side of the sampling port 7 and the bulge 12 on the incomplete gear 6, and the sample sheet 4 which has been sampled can move upwards under the action of the mandril 9 for storage and collection because the sample sheet can move intermittently and well along with the rotation of the incomplete gear 6.
The invention also designs the collection box 14, and the structures of the sealing plate 17, the wedge-shaped block 15 and the third spring 18 are designed in the collection box 14, so that the purpose that the sampling sheet 4 cannot move downwards to achieve collection can be effectively realized, meanwhile, the sealing plate 17 can effectively seal the sampling area of the sampling sheet 4 under the action of the third spring 18, the next sampling sheet 4 can be sealed at the lower end face of the last sampling sheet 4, the effect of gradual sealing is realized, and meanwhile, a plurality of sampling sheets 4 can be effectively and regularly gathered in the collection box 14, so that the corresponding time of the sampling sheet 4 can be conveniently analyzed, and the dust content in air at different times can be obtained.
The dust sampler has novel concept and ingenious structure, well realizes the respective sampling of dust in air in different time, simultaneously is convenient for sealing and sampling after sampling, and improves the convenience of subsequent treatment.
Claims (8)
1. The utility model provides an air dust is collection system regularly convenient to sample, a serial communication port, including vertical barrel (1) of placing, barrel (1) is hollow casing column structure, but install level and intermittent type pivoted carousel (2) in barrel (1), logical groove (3) of a plurality of circumference equipartitions have been seted up on carousel (2), place sampling sheet (4) in every logical groove (3), sampling sheet (4) can the rebound but can not the lapse in leading to groove (3), gear shaft (5) are connected to the below of carousel (2), be equipped with on the bottom plate of barrel (1) can with incomplete gear (6) of gear shaft (5) meshing, be equipped with on barrel (1) lateral wall and sample mouthful (7), sampling sheet (4) are arranged in sample mouthful (7) department, the last terminal surface parallel and level of sample mouthful (7) lower extreme and carousel (2), the width of sample mouthful (7) equals with the width that leads to groove (3), the barrel body (1) is internally provided with a baffle plate (8) which is arranged at the left side and the right side of the sampling port (7) and is vertically arranged;
the automatic sampling device is characterized in that a material taking opening (13) arranged above the rotary table (2) is arranged in the cylinder body (1), the incomplete gear (6) rotates for a circle to enable the sampling sheet (4) at the position of the sampling opening (7) to rotate to the material taking opening (13), an ejector rod (9) which is arranged under the material taking opening (13) and can move up and down is arranged on a bottom plate of the cylinder body (1), a pressing plate (10) which is horizontally arranged is arranged on the ejector rod (9), a first spring (11) is connected between the lower end of the pressing plate (10) and the bottom plate of the cylinder body (1), when the incomplete gear (6) is meshed with the gear shaft (5), the lower end face of the pressing plate (10) is pressed on the upper end face of the incomplete gear (6), at the moment, the first spring (11) is in the original length, the upper end of the ejector rod (9) is arranged below the rotary table (2), a bulge (, the two sides of the protrusion (12) are inclined planes, the rotation of the incomplete gear (6) can enable the ejector rod (9) to move upwards through the inclined planes through the protrusion (12), the first spring (11) is in a stretching state at the moment, the ejector rod (9) moves upwards to jack up the sampling sheet (4) in the through groove (3) to the material taking port (13), the incomplete gear (6) continues to rotate to enable the pressing plate (10) to be separated from the protrusion (12), and the ejector rod (9) moves downwards under the action of the first spring (11) to enable the lower end face of the pressing plate (10) to be pressed on the upper end face of the incomplete gear (6).
2. The air dust timing collection device convenient to sample according to claim 1, characterized in that a collection box (14) is arranged in the material taking port (13), the collection box (14) is of a cylindrical structure with an open lower end, a telescopic wedge block (15) is respectively arranged on the left side wall and the right side wall of the collection box (14), a second spring (16) is connected between each wedge block (15) and the corresponding side wall of the collection box (14), the wedge blocks (15) are arranged in the collection box (14) under the action of the second springs (16), the sampling sheet (4) moves upwards to extrude the wedge blocks (15) to move towards two sides, and when the sampling sheet (4) is arranged above the wedge blocks (15), the wedge blocks (15) can be clamped on the lower end face of the sampling sheet (4) under the action of the second springs (16) to enable the sampling sheet (4) not to move downwards.
3. The air dust timing collection device convenient for sampling according to claim 2, wherein a sealing plate (17) arranged above the wedge-shaped block (15) is arranged in the collection box (14), a third spring (18) is connected between the sealing plate (17) and a top plate of the collection box (14), in an initial state, under the action of the third spring (18), the lower end face of the sealing plate (17) is in contact with the upper end face of the wedge-shaped block (15), the sampling sheet (4) moves upwards to enable the upper end face of the sampling sheet (4) to be in contact with the lower end face of the sealing plate (17), the third spring (18) can be compressed when the sampling sheet (4) is arranged above the wedge-shaped block (15), and the upper end of the sampling sheet (4) is sealed under the pressure of the third spring (18) and the action of the sealing plate (17).
4. An air dust timing collection device convenient for sampling according to claim 1, characterized in that the protrusion (12) on the incomplete gear (6) is arranged at a position symmetrical to the tooth part on the incomplete gear (6), and the rotation direction of the rotary disc (2) is clockwise.
5. An air dust timing collection device convenient for sampling according to claim 2, characterized in that the top plate of the collection box (14) is larger than the width of the material taking port (13) and is arranged outside the cylinder body (1), and the top plate of the collection box (14) is provided with a pull ring (19).
6. The air dust timing collection device convenient for sampling according to claim 1, characterized in that the upper end of the sampling sheet (4) is provided with a chamfer at its periphery.
7. The air dust timing collection device convenient for sampling according to claim 1, characterized in that an air suction pipe (22) is arranged at the sampling port (7) of the cylinder (1), the lower end of the incomplete gear (6) is connected with a motor (20), and the motor (20) is fixed on the bottom plate of the cylinder (1).
8. The air dust timing collection device convenient for sampling according to claim 2, characterized in that the upper end of the ejector rod (9) is provided with a flat plate (21), the width of the flat plate (21) is smaller than that of the sampling sheet (4), and the flat plate (21) is higher than the wedge-shaped block (15) due to the upward moving highest position of the ejector rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703276.4A CN108801719B (en) | 2018-06-30 | 2018-06-30 | Air dust is collection system regularly convenient to sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703276.4A CN108801719B (en) | 2018-06-30 | 2018-06-30 | Air dust is collection system regularly convenient to sample |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108801719A CN108801719A (en) | 2018-11-13 |
| CN108801719B true CN108801719B (en) | 2020-06-12 |
Family
ID=64073790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810703276.4A Active CN108801719B (en) | 2018-06-30 | 2018-06-30 | Air dust is collection system regularly convenient to sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108801719B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560336A (en) * | 2019-09-25 | 2019-12-13 | 深圳市海润智能机械有限公司 | Conveying structure with simple structure |
| CN113640070B (en) * | 2021-10-13 | 2021-12-14 | 徐州市元亨新能源开发有限公司 | Automatic dust sampler |
| CN114018811B (en) * | 2021-11-04 | 2023-07-18 | 山东省农业科学院 | Bean seed genetic diversity appearance form detection equipment |
| CN117664665B (en) * | 2024-02-01 | 2024-04-12 | 绵阳师范学院 | Carbon dioxide detection device based on thermal infrared |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201004022Y (en) * | 2007-02-06 | 2008-01-09 | 汤富盛 | High-precision quantified sampling device for accumulated dust inside wind pipe |
| CN103558067A (en) * | 2013-11-14 | 2014-02-05 | 丹东百特仪器有限公司 | Automatic membrane changing device of multi-filter-membrane ambient air particle sampler |
| CN103776665A (en) * | 2014-02-27 | 2014-05-07 | 青岛众瑞智能仪器有限公司 | Air particulate matter sampler capable of automatically changing membrane |
| US8955368B2 (en) * | 2011-09-21 | 2015-02-17 | Massachusetts Institute Of Technology | Apparatus and method for aerosol collection and fluid analysis |
| CN107572129A (en) * | 2017-08-21 | 2018-01-12 | 河南鑫安利安全科技股份有限公司 | One kind is used for dust timing sampling and processing unit |
-
2018
- 2018-06-30 CN CN201810703276.4A patent/CN108801719B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201004022Y (en) * | 2007-02-06 | 2008-01-09 | 汤富盛 | High-precision quantified sampling device for accumulated dust inside wind pipe |
| US8955368B2 (en) * | 2011-09-21 | 2015-02-17 | Massachusetts Institute Of Technology | Apparatus and method for aerosol collection and fluid analysis |
| CN103558067A (en) * | 2013-11-14 | 2014-02-05 | 丹东百特仪器有限公司 | Automatic membrane changing device of multi-filter-membrane ambient air particle sampler |
| CN103776665A (en) * | 2014-02-27 | 2014-05-07 | 青岛众瑞智能仪器有限公司 | Air particulate matter sampler capable of automatically changing membrane |
| CN107572129A (en) * | 2017-08-21 | 2018-01-12 | 河南鑫安利安全科技股份有限公司 | One kind is used for dust timing sampling and processing unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108801719A (en) | 2018-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108801719B (en) | Air dust is collection system regularly convenient to sample | |
| CN108680404B (en) | Factory air discharges dust sampling device | |
| CN114062010A (en) | Soil detection device and method for environmental monitoring | |
| CN2826398Y (en) | Thin-layer cytologyic specimen filter | |
| CN112517432A (en) | Automatic assembling equipment for double-ball pen point | |
| CN108613838B (en) | Water sample collection system that can sample many times | |
| CN116590128A (en) | Cell culture exosome collecting device and collecting method | |
| CN114701771B (en) | A two flap valve ejection of compact subassemblies for spray dryer | |
| CN114414706B (en) | Efficient detection device and detection method for benzene series volatile organic components | |
| CN116124519A (en) | Be applied to automatic sampling device on pneumatic pipeline transportation | |
| CN212975165U (en) | Protein preservation kit convenient to sample | |
| CN213516472U (en) | Rural river course water sample draws storage device | |
| CN212482960U (en) | Sampling device for soil pollution detection | |
| CN209624151U (en) | A kind of sewage sample collection device for sewage detection | |
| CN113375956A (en) | Sampling device for environmental monitoring | |
| CN215065409U (en) | Continuous detection device of soil nutrient | |
| CN217251892U (en) | Terminal stamping device with detect and reject function | |
| CN116429986B (en) | Device for automatically positioning square frames with different sizes | |
| CN215727167U (en) | Chromosome specimen dropping device | |
| CN211538608U (en) | Quality detection device of small hard disk | |
| CN113640533B (en) | Livestock and poultry disease detection method for veterinarian | |
| CN220729716U (en) | Fodder sampler | |
| CN214237884U (en) | Plastic pipe machining clamping device | |
| CN218916966U (en) | Atmospheric pollution monitoring instrument convenient to use | |
| CN219524639U (en) | Chip production sample strorage device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200518 Address after: 325000 No.4, building C2, Xinyu residential area, Tengyue Road, Fengmen street, Lucheng District, Wenzhou City, Zhejiang Province Applicant after: LAN Ming Wu Address before: 476000 Changzheng road 66, Liang Yuan, Shangqiu, Henan. Applicant before: Wang Jun |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201209 Address after: No. d133, No. 866, Baiyun South Road, Deqing County, Deqing County, Huzhou City, Zhejiang Province Patentee after: Huzhou langpei Intelligent Technology Co.,Ltd. Address before: No.4, building C2, Xinyu residential area, Tengyue Road, Fengmen street, Lucheng District, Wenzhou City, Zhejiang Province Patentee before: LAN Ming Wu |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221108 Address after: Floor 2, No. 23, Hailong Road, Liwan District, Guangzhou, Guangdong 510388 Patentee after: GUANGZHOU OSH CHINA SAFETY TECHNOLOGY CO.,LTD. Address before: No. d133, No. 866, Baiyun South Road, Deqing County, Deqing County, Huzhou City, Zhejiang Province Patentee before: Huzhou langpei Intelligent Technology Co.,Ltd. |