CN210572239U - Daqu odor analysis sampling device - Google Patents
Daqu odor analysis sampling device Download PDFInfo
- Publication number
- CN210572239U CN210572239U CN201921577823.5U CN201921577823U CN210572239U CN 210572239 U CN210572239 U CN 210572239U CN 201921577823 U CN201921577823 U CN 201921577823U CN 210572239 U CN210572239 U CN 210572239U
- Authority
- CN
- China
- Prior art keywords
- daqu
- air
- sampling device
- filter
- sampling
- 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
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a yeast for making hard liquor smell analysis sampling device relates to making wine analysis detection area, and when solving current carrying out smell analysis to yeast for making hard liquor, the sampling process is loaded down with trivial details, long problem consuming time. The utility model adopts the technical proposal that: the Daqu odor analysis sampling device comprises a gas collecting cap, wherein the gas collecting cap is in an open cover shape, an air inlet and a sampling port are formed in the gas collecting cap, an air filter is arranged at the air inlet, and the sampling port is connected with a sampling pipe. The sampling tube is also provided with a sampling filter. The gas collecting cap of the Daqu odor analysis sampling device is in an open cover shape, can be directly sleeved on the cross section of a bent block for sampling, does not need to carry out pretreatment on the sample, can be directly matched with an electronic nose in a production workshop for use, avoids complex pretreatment steps such as crushing and weighing, can quickly obtain detection data in real time, and is suitable for quick detection of the Daqu in actual production. The Daqu odor analysis and sample introduction device has the advantages of simple structure, low cost and repeated use.
Description
Technical Field
The utility model relates to a making wine analysis detects the field, specifically is a sampling device that is used for carrying out the analysis to the Daqu smell through portable electron nose and detects.
Background
The Daqu is used as a saccharification leavening agent for solid-state fermentation of the white spirit in China, not only provides a bacterial system and an enzyme system for the whole fermentation process, but also is an important source of flavor substances of the white spirit. Abundant flavor substances in the yeast have profound influence on the formation and the enhancement of the wine style characteristics. The electronic nose technology is an analog simulation technology, quickly provides the overall information of a tested sample by using a specific sensor array and mode identification, indicates the implicit characteristics of the sample, has the advantages of high accuracy, good repeatability, simplicity in operation, capability of obtaining results in real time and the like, and has a better application prospect in Daqu odor detection and analysis.
At present, the odor analysis of the Daqu based on the electronic nose technology is mostly laboratory detection and analysis, and the specific sampling and analysis method comprises the following steps: crushing the yeast, weighing a certain amount of sample into a headspace bottle, standing and balancing for a period of time, and collecting gas in the headspace bottle for analysis. In the sampling process, the yeast needs to be pretreated, so that the problems of complicated operation process and long consumed time exist, the workshop sample cannot be subjected to nondestructive testing and real-time analysis, and the yeast cannot be classified rapidly and scientifically in production.
SUMMERY OF THE UTILITY MODEL
The utility model provides a yeast for making hard liquor odor analysis sampling device, when solving current to yeast for making hard liquor odor analysis, the sampling process is loaded down with trivial details, long problem consuming time.
The utility model provides a technical scheme that its technical problem adopted is: the Daqu odor analysis sampling device comprises a gas collecting cap, wherein the gas collecting cap is in an open cover shape, an air inlet and a sampling port are formed in the gas collecting cap, an air filter is arranged at the air inlet, and the sampling port is connected with a sampling pipe.
Further, the method comprises the following steps: the air filter is detachably and hermetically connected to the air inlet of the air collecting cap.
Specifically, the method comprises the following steps: the air inlet of the air collecting cap is provided with a threaded pipe, the air filter comprises a shell, an air filtering channel is formed between two ends of the shell, one end of the shell is provided with external threads and is connected with the threaded pipe, a cavity is arranged in the shell, a filtering medium is filled in the cavity, the other end of the shell is provided with a sealing cover, and the sealing cover is provided with air holes.
Specifically, the method comprises the following steps: and two ends of the cavity of the shell are respectively provided with a filter screen, and the cavity enclosed by the filter screen and the shell is filled with active carbon.
Specifically, the method comprises the following steps: the shell of the air filter is made of polyethylene material.
Specifically, the method comprises the following steps: the gas collection cap is made of silica gel, the gas collection cap is in an inverted semi-ellipsoidal shape, and the sample inlet is formed in the top of the semi-ellipsoidal shape.
Further, the method comprises the following steps: and the sample inlet pipe is provided with a sample inlet filter.
Specifically, the method comprises the following steps: the sample injection filter is a syringe type microporous filter membrane filter with the diameter of 0.45 mu m/0.20 mu m.
Specifically, the method comprises the following steps: the sample inlet of the gas collecting cap is provided with a hard conduit, and the sample inlet pipe is a hose and is connected with the hard conduit.
The utility model has the advantages that: the gas collecting cap of the Daqu odor analysis sampling device is in an open cover shape, and can be directly sleeved on the cross section of the bent block for sampling without pretreatment of the sample. The device can be directly matched with an electronic nose in a production workshop for use, so that the complex pretreatment steps of crushing, weighing and the like are eliminated, the detection data can be quickly obtained in real time, and the device is suitable for quickly detecting the yeast in actual production; the device has simple structure and low cost and can be used repeatedly.
The air filter and the gas collecting cap are detachably connected, for example, through threaded connection, so that the air filter is convenient to replace and has a good sealing effect. The gas collecting cap is made of silica gel, has no smell, cannot interfere detection and analysis, has better elasticity and can realize circumferential sealing with the periphery of the bent block. The sample injection filter adopts a 0.45 mu m/0.20 mu m syringe type microporous filter membrane filter, is a common consumable and is easy to purchase.
Drawings
Fig. 1 is a schematic diagram of the general structure of the Daqu odor analysis sample injection device of the present invention.
Fig. 2 is a cross-sectional view of the air intake and air filter of fig. 1.
Parts, positions and numbers in the drawings: the gas collecting cap 1, the gas inlet 11, the sample inlet 12, the threaded pipe 13, the hard conduit 14, the air filter 2, the shell 21, the sealing cover 22, the filter screen 23, the activated carbon 24, the sample inlet pipe 3 and the sample inlet filter 4.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in figure 1, the utility model discloses Daqu odor analysis sampling device, including gas collecting cap 1, gas collecting cap 1 is open cover form, sets up air inlet 11 and introduction port 12 on the gas collecting cap 1, and air inlet 11 department sets up air cleaner 2, and introduction port 12 connects into appearance pipe 3. The gas collecting cap 1 is in the shape of an open cover, the open cover is used for being directly sleeved on the cross section of the bent block, in order to improve the airtightness between the open edge and the bent block, the gas collecting cap 1 is at least made of elastic and odorless materials such as silica gel, preferably food-grade silica gel, and the elasticity of the silica gel can be used for enabling the open cover and the bent block to be attached to each other to achieve circumferential sealing. The gas collecting cap 1 is in a cover shape, for example, a semi-sphere or a cuboid shape, preferably a semi-sphere or a semi-ellipsoid shape, wherein the semi-ellipsoid shape is an inverted semi-ellipsoid shape.
The air inlet 11 is a passage for air to enter the air collecting cap 1, and the air filter 2 filters the air and then enters the air collecting cap 1. Air cleaner 2 belongs to the consumptive material, and in order to facilitate the change, air cleaner 2 can dismantle the air inlet 11 of connecting in gas collecting cap 1. For example, the air filter 2 is connected to the air collecting cap 1 by bolts or connected to the air collecting cap 1 by a pressing plate, and the air filter 2 and the air collecting cap 1 are connected and kept airtight. Specifically, as shown in fig. 2, a hard material is disposed at the air inlet 11 of the air collecting cap 1, and an internal thread is disposed on the hard material to form a threaded pipe 13, and the threaded pipe 13 is used for screwing the air filter 2, so as to facilitate the detachment and ensure the sealing. The air filter 2 comprises a shell 21, an air filtering channel is formed between two ends of the shell 21, one end of the shell 21 is provided with an external thread and is in threaded connection with a threaded pipe 13, a cavity is arranged in the shell 21, a filtering medium is filled in the cavity, the other end of the shell 21 is provided with a sealing cover 22, the sealing cover 22 is in threaded connection with the shell 21, and the sealing cover 22 is provided with air holes. Wherein, the filter medium is a filter screen 23 and activated carbon 24, the two ends of the cavity of the housing 21 are respectively provided with the filter screen 23, and the cavity enclosed by the filter screen 23 and the housing 21 is filled with the activated carbon 24. The filter media can be replaced by opening the closure 22. The housing 21 of the air filter 2 is of polyethylene material.
The sample inlet 12 and the sample inlet tube 3 are channels for the gas containing the volatile matters in the bent blocks in the gas collecting cap 1 to enter a detection and analysis device, such as channels for entering an electronic nose. The sample inlet pipe 3 is provided with a sample inlet filter 4, and the sample inlet filter 4 can be a 0.45 mu m/0.20 mu m needle cylinder type microporous filter membrane filter. In order to facilitate the connection of the sample inlet 3, a rigid conduit 14 is arranged at the sample inlet 12 of the gas collecting cap 1, and the rigid conduit 14 and the gas collecting cap 1 are integrated. The sampling pipe 3 is a hose, and one end of the hose is connected with the hard conduit 14; the other end is connected with a sample injection filter 4.
The process of detecting and analyzing the koji blocks by using the Daqu odor analysis sample injection device and matching with the electronic nose is as follows: firstly, an air filter 2 is arranged at an air inlet 11 of a gas collecting cap 1, and inspection is carried out to ensure that the air tightness of the air inlet 11 and the air tightness of a sample inlet 12 are good; secondly, sleeving the gas collecting cap 1 on the cross section of the curved block to be detected, and checking whether the sealing is good or not; thirdly, the electronic nose runs a detection program, and after the cleaning time is over, the air inlet pipe of the electronic nose is connected with the sample injection filter 4 within the zeroing time; and finally, gas collection is carried out to obtain the response value of each sensor, and after the detection program is finished, the response curve of the sample can be obtained.
Claims (9)
1. Daqu odor analysis sampling device, its characterized in that: the gas collection device comprises a gas collection cap (1), wherein the gas collection cap (1) is in an open cover shape, a gas inlet (11) and a sample inlet (12) are arranged on the gas collection cap (1), an air filter (2) is arranged at the gas inlet (11), and the sample inlet (12) is connected with a sample inlet pipe (3).
2. The Daqu odor analysis sampling device of claim 1, wherein: the air filter (2) is detachably and hermetically connected to the air inlet (11) of the air collecting cap (1).
3. The Daqu odor analysis sampling device of claim 2, wherein: an air inlet (11) of the air collecting cap (1) is provided with a threaded pipe (13), the air filter (2) comprises a shell (21), an air filtering channel is formed between two ends of the shell (21), one end of the shell (21) is provided with an external thread and is connected with the threaded pipe (13), a cavity is formed in the shell (21), a filtering medium is filled in the cavity, the other end of the shell (21) is provided with a sealing cover (22), and air holes are formed in the sealing cover (22).
4. The Daqu odor analysis sampling device of claim 3, wherein: two ends of the cavity of the shell (21) are respectively provided with a filter screen (23), and activated carbon (24) is filled in the cavity enclosed by the filter screen (23) and the shell (21).
5. The Daqu odor analysis sampling device of claim 3, wherein: the shell (21) of the air filter (2) is made of polyethylene material.
6. The Daqu odor analysis sampling device of claim 1, wherein: the gas collecting cap (1) is made of silica gel, the gas collecting cap (1) is in a half-ellipsoid shape with an inverted buckle, and the sample inlet (12) is arranged at the top of the half-ellipsoid shape.
7. The Daqu odor analysis sampling device according to any one of claims 1 to 6, wherein: and a sample introduction filter (4) is arranged on the sample introduction pipe (3).
8. The Daqu odor analysis sampling device of claim 7, wherein: the sample injection filter (4) is a needle cylinder type microporous filter membrane filter with the diameter of 0.45 mu m/0.20 mu m.
9. The Daqu odor analysis sampling device of claim 7, wherein: a sample inlet (12) of the gas collecting cap (1) is provided with a hard conduit (14), and the sample inlet pipe (3) is a hose and is connected with the hard conduit (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577823.5U CN210572239U (en) | 2019-09-20 | 2019-09-20 | Daqu odor analysis sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577823.5U CN210572239U (en) | 2019-09-20 | 2019-09-20 | Daqu odor analysis sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210572239U true CN210572239U (en) | 2020-05-19 |
Family
ID=70640731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921577823.5U Active CN210572239U (en) | 2019-09-20 | 2019-09-20 | Daqu odor analysis sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210572239U (en) |
-
2019
- 2019-09-20 CN CN201921577823.5U patent/CN210572239U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106769978B (en) | Fermentation tank tail gas in-line analyzer | |
| CN201658978U (en) | Bioexperiment device | |
| CN210572239U (en) | Daqu odor analysis sampling device | |
| CN202886139U (en) | Vacuum sampler for liquid food | |
| CN206684134U (en) | A kind of detecting system for Food Monitoring early warning | |
| CN105203510B (en) | A kind of microorganism in food rapid detection method | |
| CN205139122U (en) | Little biological detection device of food | |
| CN204479597U (en) | A kind ofly realize sampling/calibration alternately air automatic monitoring the device that runs of equivalence | |
| CN202886151U (en) | Ambient air sampling bottle | |
| CN103630429B (en) | A kind of sampler with pressure based on near-infrared spectrum analysis and sampling method | |
| CN110501300A (en) | A kind of automobile exhaust gas checking apparatus and detection method | |
| CN116359454A (en) | Portable grape wine harmful substance short-term test device | |
| CN205956616U (en) | Single sealing towards leading to quick -operation joint | |
| CN201596427U (en) | High-temperature resistant filter film particle catcher | |
| CN111366423B (en) | Device for collecting soil respiratory gas and gas collection method | |
| CN202049074U (en) | Gas sampling valve plate device | |
| CN208536918U (en) | A kind of survey wine degree device | |
| CN202822915U (en) | Device for filtering water bodies and detecting chemical properties through mechanical supercharging | |
| CN206114371U (en) | Storage device is discharged to portable gaseous collection | |
| CN210803425U (en) | Portable gas sampling and detecting device | |
| CN202855143U (en) | Experiment device for intermolecular forces | |
| CN205749509U (en) | A kind of device observing forest ecosystem soil respiration process | |
| WO2021031530A1 (en) | Syringe for aviation gasoline water detector | |
| CN206399753U (en) | A kind of novel pressure Pulse Cyclic Tests equipment | |
| CN206166942U (en) | Spittle collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |