CN207689216U - A kind of gas sampling assembly - Google Patents
A kind of gas sampling assembly Download PDFInfo
- Publication number
- CN207689216U CN207689216U CN201820068068.7U CN201820068068U CN207689216U CN 207689216 U CN207689216 U CN 207689216U CN 201820068068 U CN201820068068 U CN 201820068068U CN 207689216 U CN207689216 U CN 207689216U
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- CN
- China
- Prior art keywords
- gas
- gas receiver
- sampling
- receiver
- rack
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Abstract
The utility model provides a kind of gas sampling assembly, including rack, multiple gas receivers are provided in the rack, it is sealed by sealing plate one end of each gas receiver, the other end is open, breather check valve and outgassing nonreturn valve is provided on the sealing plate, the conducting direction of the breather check valve is by leading in gas receiver outside gas receiver, the conducting direction of the outgassing nonreturn valve is by leading to outside gas receiver in gas receiver, and the breather check valve is connected with sampling pipe；The gas receiver is internally provided with piston, and the piston is connected with piston rod, and the piston rod stretches out gas receiver from the open end of gas receiver, and piston rod is connected with driving mechanism.When being sampled using the present apparatus, residual air whole in sampling pipe and gas receiver can be discharged, can ensure that result is accurate when analyzing its ingredient to ensure that the gas in gas receiver is pure sample gas.
Description
Technical field
The utility model is related to sample devices field, especially a kind of gas sampling assembly.
Background technology
Gas sampling assembly is for the gas for formulating region to be collected, in order to analyze the ingredient of the zone gas,
Existing gas sampling assembly can refer to application No. is 201610421228.7 application for a patent for invention, including Sampling Machine ontology,
Aspiration pump, the first exhaust tube, the second exhaust tube, third exhaust tube, dust granule filter device, air accumulator, it is characterised in that institute
State aspiration pump, air accumulator be arranged in Sampling Machine ontology, the first exhaust tube, the second exhaust tube, third exhaust tube one end difference
Be connected on air accumulator by dust granule filter device, the first exhaust tube, the second exhaust tube, third exhaust tube the other end set
It sets in Sampling Machine body exterior.First exhaust tube, the second exhaust tube, third pumping length of tube are different, convenient for in air
The air of different height is sampled.First exhaust tube, the second exhaust tube, the setting of third exhaust tube are external in Sampling Machine sheet
The length in portion is different, is sampled convenient for the air to different height in air.Existing gas sampling assembly is all made of gas storage
Tank stores sample gas, collects gas using air pump when acquisition, since air residual is had in air accumulator and sample lines always,
Remaining air can be mixed into sample gas, and the concentration of each component in sample gas is caused to change, and be unfavorable for ensureing sample gas
Degree of purity.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of gas sampling assembly, remaining sky in anti-locking apparatus
Gas is mixed into sample gas, to ensure the pure of sample gas.
Technical solution adopted by the utility model to solve its technical problems is：Gas sampling assembly, including rack, it is described
Multiple gas receivers are provided in rack,
One end of each gas receiver is sealed by sealing plate, and the other end is open, be provided on the sealing plate breather check valve and
Outgassing nonreturn valve, the conducting direction of the breather check valve are to be led in gas receiver outside by gas receiver, the outgassing nonreturn valve
Conducting direction is by leading to outside gas receiver in gas receiver, and the breather check valve is connected with sampling pipe；
The gas receiver is internally provided with piston, and the piston is connected with piston rod, and the piston rod is from gas receiver
Gas receiver is stretched out in open end, and piston rod is connected with driving mechanism.
Further, the driving mechanism includes motor, transmission shaft, driving wheel and connecting rod, and the motor is fixedly mounted on
In rack, the transmission shaft is mounted in rack by bearing and is connected with the main shaft of motor, and the driving wheel is fixedly mounted on
One end of transmission shaft, one end of the connecting rod and being hinged at for driving wheel, the other end are hinged with piston rod.
Further, the sampling pipe is hose.
Further, it is provided with locating shaft in the rack, reel is provided on the locating shaft, it is described when not sampling
Sampling pipe is wound on reel；When sampling, sampling pipe is connected by quick coupling with breather check valve.
Further, the gas receiver is tempered glass cylinder.
Further, the side wall of gas receiver is carved with scale and volume reading.
The utility model has the beneficial effects that：When sampling, the inlet end of sampling pipe is placed in target area, driving is utilized
Mechanism urges piston rod and reciprocating motion of the pistons constantly suck the gas in target area, while by sampling pipe and gas storage
Remaining air discharge in cylinder after continuing for some time in this way, can substantially be discharged whole residual in sampling pipe and gas receiver
Gas of leaving a blank, when analyzing its ingredient, can ensure result standard to ensure that the gas in gas receiver is pure sample gas
Really.
Description of the drawings
Fig. 1 is the schematic top plan view of the utility model.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1, the gas sampling assembly of the utility model, including rack 1, multiple storages are provided in the rack 1
The welding fabrications such as tubing, plank can be used in inflator 2, rack 1, and the quantity of gas outlet 2 is arranged according to actual demand.In order to facilitate shifting
Idler wheel can be arranged in the bottom of rack 1 in the dynamic present apparatus, and pushing hands is arranged in side.
One end of each gas receiver 2 is sealed by sealing plate 3, and the other end is open, and breather check valve is provided on the sealing plate 3
4 and outgassing nonreturn valve 5, the conducting direction of the breather check valve 4 is the outlet list by leading in gas receiver 2 outside gas receiver 2
It is by leading to outside gas receiver 2 in gas receiver 2 to the conducting direction of valve 5, the breather check valve 4 is connected with sampling pipe 6；
The gas receiver 2 is internally provided with piston 7, and piston 7 and the sealing of gas receiver 2 coordinate, and piston 7 can be along
The internal slide of gas receiver 2, the piston 7 are connected with piston rod 8, and the piston rod 8 stretches out gas storage from the open end of gas receiver 2
Cylinder 2, and piston rod 8 is connected with driving mechanism.Driving mechanism realizes gas for pushing piston rod 8 and piston 7 to move back and forth
Acquisition and exhaust.
In use, the inlet end of sampling pipe 6 is placed in target area, piston rod 8 and piston 7 are pushed using driving mechanism
Move back and forth, piston 7 towards gas receiver 2 open end motion when, can by the gas in target area suck sampling pipe 6, gas
Body enters gas receiver 2 by sampling pipe 6 and breather check valve 4, can will be in gas receiver 2 when piston 7 is moved towards sealing plate 3
Gas is discharged from outgassing nonreturn valve 5, and piston 7 moves back and forth, and can constantly suck the gas in target area, originally remain in
Air in sampling pipe 6 and gas receiver 2 is constantly discharged, and after continuing for some time in this way, 6 He of sampling pipe can substantially be discharged
Whole residual air in gas receiver 2 is analyzing its ingredient to ensure that the gas in gas receiver 2 is pure sample gas
When, it can ensure that result is accurate.When analysis, pushes piston 7 to be moved towards sealing plate 3, sample gas is driven to analytical equipment.
The driving mechanism includes motor 9, transmission shaft 10, driving wheel 11 and connecting rod 12, and the motor 9 is fixedly mounted on machine
On frame 1, the transmission shaft 10 is mounted in rack 1 by bearing and is connected with the main shaft of motor 9, and the driving wheel 11 fixes peace
Mounted in one end of transmission shaft 10, one end of the connecting rod 12 and being hinged at for driving wheel 11, the other end are hinged with piston rod 8.
Circular wheel can be used in driving wheel 11, can also use cam.Motor 9 drives transmission shaft 10 to rotate, and driving wheel 11 is with biography
Moving axis 10 rotates, and driving wheel 11 and connecting rod 12 form toggle, and piston rod 8 can be pushed to move back and forth.
The sampling pipe 6 be hose, facilitate and its inlet end be moved to target area, can be used corrosion resistant rubber tube or
Person's plastic tube.
It is provided with locating shaft 13 in the rack 1, reel 14 is provided on the locating shaft 13, it is described to adopt when not sampling
Sample pipe 6 is wound on reel 14, the convenient for collecting and mobile present apparatus；When sampling, sampling pipe 6 is unidirectional with air inlet by quick coupling
Valve 4 is connected, convenient for disassembly and assembly.
The gas receiver 2 is tempered glass cylinder, and intensity is high, and transparent, can observe internal situation.
The side wall of gas receiver 2 is carved with scale and volume reading, is conducive to the gas flow that control uses.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. gas sampling assembly, including rack (1), multiple gas receivers (2) are provided on the rack (1), it is characterised in that：
One end of each gas receiver (2) is sealed by sealing plate (3), and the other end is open, and it is unidirectional to be provided with air inlet on the sealing plate (3)
The conducting direction of valve (4) and outgassing nonreturn valve (5), the breather check valve (4) is by leading to gas receiver (2) outside gas receiver (2)
Interior, the conducting direction of the outgassing nonreturn valve (5) is the breather check valve by leading to gas receiver (2) outside in gas receiver (2)
(4) it is connected with sampling pipe (6)；
The gas receiver (2) is internally provided with piston (7), and the piston (7) is connected with piston rod (8), the piston rod (8)
Gas receiver (2) is stretched out from the open end of gas receiver (2), and piston rod (8) is connected with driving mechanism.
2. gas sampling assembly as described in claim 1, it is characterised in that：The driving mechanism includes motor (9), transmission shaft
(10), driving wheel (11) and connecting rod (12), the motor (9) are fixedly mounted in rack (1), and the transmission shaft (10) passes through axis
It holds in rack (1) and is connected with the main shaft of motor (9), the driving wheel (11) is fixedly mounted on the one of transmission shaft (10)
End, one end of the connecting rod (12) and being hinged at for driving wheel (11), the other end are hinged with piston rod (8).
3. gas sampling assembly as described in claim 1, it is characterised in that：The sampling pipe (6) is hose.
4. gas sampling assembly as claimed in claim 3, it is characterised in that：It is provided with locating shaft (13) on the rack (1),
It is provided with reel (14) on the locating shaft (13), when not sampling, the sampling pipe (6) is wound on reel (14)；When sampling,
Sampling pipe (6) is connected by quick coupling with breather check valve (4).
5. gas sampling assembly as described in claim 1, it is characterised in that：The gas receiver (2) is tempered glass cylinder.
6. gas sampling assembly as claimed in claim 5, it is characterised in that：The side wall of gas receiver (2) is carved with scale and volume
Reading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820068068.7U CN207689216U (en) | 2018-01-16 | 2018-01-16 | A kind of gas sampling assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820068068.7U CN207689216U (en) | 2018-01-16 | 2018-01-16 | A kind of gas sampling assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207689216U true CN207689216U (en) | 2018-08-03 |
Family
ID=62991806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820068068.7U Expired - Fee Related CN207689216U (en) | 2018-01-16 | 2018-01-16 | A kind of gas sampling assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207689216U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982173A (en) * | 2018-08-27 | 2018-12-11 | 武汉理工大学 | Gas sampling analysis system and its method |
| CN109001000A (en) * | 2018-10-24 | 2018-12-14 | 吉林建筑大学 | A kind of atmospheric volatile organic compounds sampler |
| CN109060462A (en) * | 2018-09-10 | 2018-12-21 | 广州赛宝计量检测中心服务有限公司 | A kind of calibration chamber with small cavity |
| CN109211626A (en) * | 2018-09-10 | 2019-01-15 | 江苏中聚检测服务有限公司 | A kind of air detection sampler |
| CN110286006A (en) * | 2019-06-04 | 2019-09-27 | 广西科技大学 | A kind of air detection sampler |
| CN113281112A (en) * | 2021-05-24 | 2021-08-20 | 杭州乐为健康科技有限公司 | External automatic air inlet device and method for exhaled air analyzer |
-
2018
- 2018-01-16 CN CN201820068068.7U patent/CN207689216U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982173A (en) * | 2018-08-27 | 2018-12-11 | 武汉理工大学 | Gas sampling analysis system and its method |
| CN109060462A (en) * | 2018-09-10 | 2018-12-21 | 广州赛宝计量检测中心服务有限公司 | A kind of calibration chamber with small cavity |
| CN109211626A (en) * | 2018-09-10 | 2019-01-15 | 江苏中聚检测服务有限公司 | A kind of air detection sampler |
| CN109211626B (en) * | 2018-09-10 | 2020-11-03 | 江苏中聚检测服务有限公司 | Air detection sampler |
| CN109001000A (en) * | 2018-10-24 | 2018-12-14 | 吉林建筑大学 | A kind of atmospheric volatile organic compounds sampler |
| CN110286006A (en) * | 2019-06-04 | 2019-09-27 | 广西科技大学 | A kind of air detection sampler |
| CN110286006B (en) * | 2019-06-04 | 2021-08-24 | 广西科技大学 | Air detection sampler |
| CN113281112A (en) * | 2021-05-24 | 2021-08-20 | 杭州乐为健康科技有限公司 | External automatic air inlet device and method for exhaled air analyzer |
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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: 20180803 Termination date: 20190116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |