CN215492710U

CN215492710U - Daqu odor analysis sampling device

Info

Publication number: CN215492710U
Application number: CN202122221651.1U
Authority: CN
Inventors: 侯建光; 郭富祥; 韩素娜; 张振科; 樊建辉
Original assignee: Henan Yangshao Biotechnology Co ltd
Current assignee: Henan Yangshao Biotechnology Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-01-11
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a Daqu odor analyzing and sampling device, which comprises a gas collecting box, wherein one end side surface of a box body of the gas collecting box is opened, a feeding door and a sealing device are arranged on the opening side of the box body, the feeding door and the sealing device can be matched with the box body to form a sealed space, an air inlet and a sample inlet are arranged on the upper end surface of the box body, an air filter is arranged at the air inlet, the sample inlet is connected with an air suction device through an air pipe, a sample inlet pipe used for being connected with an electronic nose is arranged at the outlet of the air suction device, an airflow control device is arranged on the sample inlet pipe, a circulating fan for promoting gas flow is also arranged in the box body, during testing, a Daqu block is directly placed in the box body and is directly tested in a workshop by being matched with the electronic nose, so that the complicated pretreatment step of laboratory testing is avoided, the Daqu odor testing device is suitable for testing of different shapes and can effectively eliminate the interference of the workshop odor, and the Daqu can be quickly carried out in production, And (4) accurate detection.

Description

Daqu odor analysis sampling device

Technical Field

The utility model relates to the field of wine making analysis and detection, in particular to a Daqu odor analysis and sampling device.

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. Chinese patent CN 210572239U discloses a bent odor analysis sampling device, adopt and be open cover form gas collecting cap, cover the gas collecting cap directly on the bent piece cross section and take a sample, because of the gas collecting cap need with bent piece periphery realize circumferential seal, so only be applicable to the bent piece of fixed size, can't realize circumferential seal to the bent piece that is less than the gas collecting cap size, in addition, even to the bent piece of the same specification size that the gas collecting cap is supporting, the size also has the deviation, so the gas collecting cap is difficult to guarantee that every test can both be good with the bent piece circumferential seal who selects, when gas collecting cap and bent piece circumferential seal are not good, the smell in workshop just can directly get into the gas collecting cap, influence the accuracy of test result.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a Daqu odor analyzing and sampling device which can effectively avoid interference of workshop environment odor on a test result and realize rapid and accurate detection of yeast blocks with different specifications in production.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a Daqu odor analysis sampling device, includes the gas collecting tank, the gas collecting tank includes the box, the one end side opening of box, the opening side of box is equipped with feed door and sealing device, be equipped with inlet port and inlet hole on the box up end, inlet hole department is equipped with air cleaner, inlet hole passes through the trachea and is connected with the getter device, the export of getter device is equipped with the inlet pipe that is used for being connected with the electron nose, set up air flow control device on the inlet pipe, be equipped with circulating fan in the box.

Further, the sealing device comprises a groove formed in the end face of the opening side of the box body, a hollow sealing strip is arranged in the groove and connected with the inflator pump through an air inlet pipe, a one-way valve is arranged at the joint of the air inlet pipe and the inflator pump, and a release valve is arranged in the air inlet pipe between the one-way valve and the hollow sealing strip.

Furthermore, a lofting platform is arranged inside the box body, and a pressure sensor is arranged between the lofting platform and the inner bottom surface of the box body.

Furthermore, a pressure sensor control module is arranged on the box body, the pressure sensor control module is electrically connected with the pressure sensor, and a display screen is arranged on the pressure sensor control module.

Furthermore, a fan control module is arranged on the box body, and the fan control module is electrically connected with the circulating fan.

Furthermore, a handle is arranged on the box body, and rollers are installed at the bottom of the box body.

The utility model has the beneficial effects that: the device can be used in the workshop direct cooperation electron nose, has avoided loaded down with trivial details pretreatment step, can directly put into the gas collection box with bent piece and test, is applicable to the bent piece of different shape size to can prevent effectively that external gas from directly getting into the box, avoid workshop smell to produce the interference to the test result, can obtain accurate detection data fast in real time.

Drawings

FIG. 1 is a schematic diagram of the general structure of the present invention;

FIG. 2 is a side view of the open side of the case;

fig. 3 is a sectional view taken along the direction a-a.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. However, the present invention is not limited to the following examples.

As shown in fig. 1, a Daqu odor analyzing and sampling device comprises a gas collecting box, the gas collecting box comprises a box body 1, one end side surface of the box body 1 is open, the opening side of the box body 1 is provided with a feeding door 2 and a sealing device, the upper end surface of the gas collecting box 1 is provided with a gas inlet hole 16 and a sample inlet hole 12, the gas inlet hole 16 and the sample inlet hole 12 are made of hard materials and are integrated with the box body, the gas inlet hole 16 is provided with an air filter 17, the sample inlet hole 12 is connected with an air suction device 13 through a gas pipe, the gas pipe can be a hose hermetically matched with the sample inlet 12 and the air suction device 13, the air suction device 13 can accelerate odor in the box body to enter an electronic nose, the outlet of the air suction device 13 is provided with a sample inlet pipe 14 connected with the electronic nose, the sample inlet pipe 14 is provided with an airflow control device 15, the airflow control device is a manual control valve, according to one embodiment of the utility model, the circulating fans 11 are arranged on the inner walls of the left side and the right side adjacent to the opening side of the box body 1 (figure 3), and can be used for removing residual odor in the box body 1 before testing, and can promote air flow in the box body 1 in the testing process so as to enable gas molecules to be dispersed more uniformly.

The gas collection box designs into the box structure of taking feed door and sealing device, can directly put into the box with bent piece and test, is applicable to the bent piece of different shape size, and the suitability is strong to can effectively avoid external smell to the interference of test result, improve the accuracy that detects.

As shown in fig. 2, the sealing device comprises a groove 3 arranged on the end face of the open side of the box body 1, a hollow sealing strip 4 is arranged in the groove 3, and the hollow sealing strip 4 can be directly bonded in the groove 3; the hollow sealing strip 4 is connected with the inflator pump 5 through the air inlet pipe 6, a one-way valve 7 is arranged at the joint of the air inlet pipe 6 and the inflator pump 5, and a deflation valve 8 is arranged on the air inlet pipe 6 between the one-way valve and the hollow sealing strip 4. When needs are sealed, close the feed gate 2 and fixed, stimulate the inflator pump 5 from top to bottom, during gas backs up check valve 7 promptly and gets into hollow sealing strip 4, when gas was sufficient in the sealing strip 4, closely extrudeed with feed gate 2, can reach fine sealed effect to avoid external gas to get into in the box 1, got rid of workshop smell to the interference of test result, when need not seal, open bleed valve 8, it can to emit part or whole gas in the sealing strip 4.

The hollow sealing strip 4 is preferably made of an elastic material without peculiar smell, such as silicon rubber, and the box body 1 is preferably made of a hard material without peculiar smell, such as a polytetrafluoroethylene material or a stainless steel material, so that the interference on the test result is avoided.

As shown in fig. 1 and fig. 3, a lofting platform 9 is arranged inside the box body 1 and used for placing a test curved block, a pressure sensor 10 is arranged between the lower end face of the lofting platform 9 and the inner bottom face of the box body 1, the pressure sensor 10 is electrically connected with a pressure sensor control module 20 arranged on the box body, and a display screen 21 is arranged on the pressure sensor control module 20 and can display the weight of the test curved block so as to facilitate recording. The box body 1 is further provided with a fan control module 22 for controlling the start and stop of the circulating fan 11, and the fan control module 22 is electrically connected with the circulating fan 11.

The side face of one end of the box body 1 is provided with a handle 19, the bottom of the box body 1 is provided with a roller 18, and the roller 18 is preferably a universal wheel and is convenient to move in a workshop.

The process of detecting the yeast by using the yeast odor analysis sampling device and matching with the electronic nose is as follows: promote the bent odor analysis sampling device of daqu to the assigned position, open the feed door, open circulating fan, get rid of the interior residual smell of box, directly put the piece of cranking in the lofting platform, close the feed door and fixed, stimulate the inflator pump from top to bottom, after reaching certain pressure in the sealing strip, the sealing strip closely extrudees with the feed door, and is sealed intact, with the electronic nose equipment of sampling union coupling, open getter device, regulation flow, detects. And after the detection is finished, taking out the bent block, opening the air release valve, releasing all the gas in the sealing strip, and releasing the sealing to promote the release of the residual smell in the box body.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a Daqu odor analysis sampling device, includes gas collection box, its characterized in that: the gas collecting box includes box (1), the one end side opening of box (1), the opening side of box (1) is equipped with feed door (2) and sealing device, be equipped with inlet port (16) and sample inlet hole (12) on box (1) up end, inlet port (16) department is equipped with air cleaner (17), sample inlet hole (12) are connected with getter device (13) through the trachea, the export setting of getter device (13) is used for advancing appearance pipe (14) be connected with the electron nose, it sets up air current controlling means (15) on appearance pipe (14) to advance, be equipped with circulating fan (11) in box (1).

2. The Daqu odor analyzing and sampling device of claim 1, wherein: sealing device is including establishing recess (3) on box (1) opening side end face, be equipped with cavity sealing strip (4) in recess (3), cavity sealing strip (4) are connected with inflator pump (5) through intake pipe (6), intake pipe (6) go up with inflator pump (5) junction is equipped with check valve (7), check valve (7) with be equipped with bleed valve (8) on intake pipe (6) between cavity sealing strip (4).

3. The Daqu odor analyzing and sampling device of claim 1, wherein: the inside of box (1) is equipped with lofting platform (9), set up pressure sensor (10) between bottom surface in lofting platform (9) and box (1).

4. A Daqu odor analyzing and sampling device according to claim 3, wherein: the pressure sensor control module (20) is arranged on the box body (1), the pressure sensor control module (20) is electrically connected with the pressure sensor (10), and a display screen (21) is arranged on the pressure sensor control module (20).

5. The Daqu odor analyzing and sampling device of claim 1, wherein: the box body (1) is provided with a fan control module (22), and the fan control module (22) is electrically connected with the circulating fan (11).

6. The Daqu odor analyzing and sampling device of claim 5, wherein: a handle (19) is arranged on the box body (1), and a roller (18) is installed at the bottom of the box body.