CN211954899U

CN211954899U - Smell detection device

Info

Publication number: CN211954899U
Application number: CN202020758649.0U
Authority: CN
Inventors: 侯伟卓; 郑树国; 赵海鹏; 管肇峰
Original assignee: Shijiazhuang Gepton Biotechnology Co ltd
Current assignee: Shijiazhuang Gepton Biotechnology Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-11-17
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses a smell detection device, which comprises a bottom plate, a driving component and a detection box; a bottom plate: the right side of the upper surface of the support is fixedly connected with a support, the left end of the upper surface of the support is fixedly connected with a piston cylinder, a piston is connected in the piston cylinder in a sliding manner, the right side surface of the piston is fixedly connected with a push-pull rod, the outer cambered surface of the push-pull rod is connected with the inside of a through hole formed in the right side plate of the piston cylinder in a sliding manner, the left side wall of the piston cylinder is provided with an air inlet, the lower end of the cambered surface of the piston cylinder is provided with an exhaust; a driving component: the driving component is arranged at the right end of the upper surface of the support and corresponds to the push-pull rod; a detection box: the guide pipe below the detection box penetrates through the through hole of the top plate of the detection box and extends to the bottom of the detection box; this smell detection device increases the speed that detects, improves the precision that detects, has reduced artifical work, has improved the reliability that detects the data.

Description

Smell detection device

Technical Field

The utility model relates to a smell detects technical field, specifically is a smell detection device.

Background

According to the regulations of food hygiene law in China, the food additive is an artificial or natural substance added into food for improving the quality of food such as color, fragrance, taste and the like, and for the requirements of anticorrosion and processing technology. At present, food additives in China have 23 categories, more than 2000 categories, including acidity regulators, anticaking agents, antifoaming agents, antioxidants, bleaches, leavening agents, coloring agents, color protection agents, enzyme preparations, flavor enhancers, nutrition enhancers, preservatives, sweeteners, thickeners, spices and the like, and in the production process of the food additives, the odor detection becomes more important, the traditional detection method is to use a sealed bottle device, place the materials in the sealed bottle for odor emission, remove a bottle cover by an olfactory recognizer, and use a hand to move the gas in the bottle to the nose for olfactory recognition, so that the following problems can exist in the process of odor detection by using the sealed bottle device: the sample gas in the bottle can be greatly replaced with the air outside the bottle in the processes of cover opening, fanning and sniffing by an olfactory operator, so that the sample gas is diluted and distorted, and the accuracy of a measurement result is poor; when the sniffer panelists use the sealed bottle device, the differences of cover opening, fanning and sniffing operations easily increase the detection errors among the panelists, and the accuracy of the measurement result is reduced; in order to avoid a large amount of loss of sample gas caused by frequent uncovering, in the actual operation process, each member of a sniffer group is generally required to be provided with a set of sealed bottle device for parallel detection, so that the detection cost is greatly increased, errors among samples are also introduced, the operation is very inconvenient, the detection precision is poor, the labor cost is increased, and therefore, the odor detection device is provided for solving the defects.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a smell detection device, increase the speed that detects, improve the precision that detects, reduced artifical work, improved the reliability that detects data, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a smell detection device comprises a bottom plate, a driving assembly and a detection box;

a bottom plate: the right side of the upper surface of the support is fixedly connected with a support, the left end of the upper surface of the support is fixedly connected with a piston cylinder, a piston is connected in the piston cylinder in a sliding manner, the right side surface of the piston is fixedly connected with a push-pull rod, the outer cambered surface of the push-pull rod is connected with the inside of a through hole formed in the right side plate of the piston cylinder in a sliding manner, the left side wall of the piston cylinder is provided with an air inlet, the lower end of the cambered surface of the piston cylinder is provided with an exhaust;

a driving component: the driving component is arranged at the right end of the upper surface of the support and corresponds to the push-pull rod;

a detection box: the guide pipe below the detection box penetrates through the through hole of the top plate of the detection box and extends to the bottom of the detection box;

wherein: still include the PLC controller, PLC controller fixed connection is in the right flank of support, and external power source is connected to the input electricity of PLC controller, can increase the speed that detects through constantly forcing the probe that gaseous stream crossed the smell detector, improves the precision that detects, has reduced the hand labor, has improved the reliability that detects the data.

Further, drive assembly includes motor, carousel, round pin axle and rectangle frame, and motor fixed connection is in the upper surface right-hand member of support, and carousel fixed connection is in the output shaft front end of motor, and round pin axle fixed connection is epitaxial in the leading flank of carousel, and rectangle frame fixed connection is in the right flank of push-and-pull rod, the extrados sliding connection of the medial surface round pin axle of rectangle frame, and the output of PLC controller is connected to the input electricity of motor, and automatic control reduces the hand labor to the pull of piston.

Further, still include spout and slider, the spout sets up in the upper surface right-hand member of support, the inside sliding connection of slider and spout, and the upper surface of slider and the lower fixed surface of rectangle frame are connected, play the spacing effect of support to the rectangle frame, increase stability.

Further, fixed surface is connected with the mount pad on the bottom plate of detection case, and the last fixed surface of mount pad is connected with the smell detector, and inside the pipe lower extreme that the smell detector is located the below, the lateral wall upper end of detection case was equipped with the outlet duct, and the output of PLC controller is connected to the input electricity of smell detector, carries out the smell to the gas of extraction and detects, improves detection efficiency.

Furthermore, the device also comprises two check valves which are respectively connected in series in the middle of the guide pipe, so that the flowing direction of gas is controlled, and the detection efficiency is improved.

Compared with the prior art, the beneficial effects of the utility model are that: this smell detection device has following benefit:

the output shaft of motor drives the carousel rotation, the carousel drives the round pin axle and rotates, promote the reciprocating motion about the rectangle frame when round pin axle rotates, the rectangle frame carries out the push-and-pull through the push-and-pull rod to the piston, when the piston moves to the right side, the left end of piston cylinder forms the negative pressure, left check valve is opened, outside gas gets into the inside of piston cylinder from left pipe, when the piston moves to the left side, left check valve closes, the check valve of below is opened, the inside pipe of pipe entering detection case's inside from the below of piston cylinder gas, when gas is discharged from the pipe bottom of below, the smell detector detects the smell of gas inside, can increase the speed that detects through the probe that constantly forces gas to flow through the smell detector, the precision of detection is improved, the hand labor has been reduced, the reliability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the device comprises a base plate 1, a support 2, a PLC 3, a piston cylinder 4, a piston 5, a push-pull rod 6, an air inlet 7, a driving assembly 8, a motor 81, a rotary table 82, a pin shaft 83, a rectangular frame 84, a detection box 9, a mounting seat 91, a smell detector 92, an air outlet pipe 93, an air outlet 10, a guide pipe 11, a check valve 12, a sliding chute 13 and a sliding block 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a kind of smell checkout gear, including the bottom plate 1, drive assembly 8 and detection box 9;

bottom plate 1: the right side of the upper surface of the piston cylinder is fixedly connected with a support 2, the left end of the upper surface of the support 2 is fixedly connected with a piston cylinder 4, a piston 5 is connected in the piston cylinder 4 in a sliding manner, the right side surface of the piston 5 is fixedly connected with a push-pull rod 6, the outer arc surface of the push-pull rod 6 is connected with the inside of a through hole formed in the right side plate of the piston cylinder 4 in a sliding manner, the left side wall of the piston cylinder 4 is provided with an air inlet 7, the lower end of the arc surface of the piston cylinder 4 is provided with an air outlet 10;

the driving assembly 8: set up in the upper surface right-hand member of support 2, drive assembly 8 includes motor 81, carousel 82, round pin axle 83 and rectangle frame 84, motor 81 is fixedly connected in the upper surface right-hand member of support 2, carousel 82 is fixedly connected in the output shaft front end of motor 81, round pin axle 83 is fixedly connected in the front side epitaxy of carousel 82, rectangle frame 84 is fixedly connected in the right side of push-and-pull rod 6, the extrados sliding connection of the medial surface round pin axle 83 of rectangle frame 84, the input electricity of motor 81 connects the output of PLC controller 3, the output shaft of motor 81 drives carousel 82 to rotate, carousel 82 drives round pin axle 83 to rotate, promote rectangle frame 84 left and right reciprocating motion when round pin axle 83 rotates, rectangle frame 84 carries out the push-and-pull to piston 5 through push-and-pull rod 6, when piston 5 moves to the right side, the left end of piston tube 4 forms the negative pressure, left check valve 12 is opened, outside, when the piston 5 moves to the left side, the one-way valve 12 on the left side is closed, the one-way valve 12 on the lower side is opened, and the gas in the piston cylinder 4 enters the detection box 9 from the guide pipe 11 on the lower side, so that the gas is controlled to continuously flow to the smell detector 92, the gas flowing speed is accelerated, the detection efficiency is improved, the accuracy of detection data is ensured, meanwhile, the manual labor is reduced, and the use is convenient;

a detection box 9: the odor detection device is arranged at the left end of the upper surface of the bottom plate 1, the lower guide tube 11 penetrates through a through hole of a top plate of the detection box 9 and extends to the bottom of the detection box 9, the upper surface of the bottom plate of the detection box 9 is fixedly connected with an installation seat 91, the upper surface of the installation seat 91 is fixedly connected with an odor detector 92, the odor detector 92 is positioned in the lower end of the lower guide tube 11, an air outlet tube 93 is arranged at the upper end of the side wall of the detection box 9, the input end of the odor detector 92 is electrically connected with the output end of the PLC 3, odor detection is carried out;

wherein: still include spout 13 and slider 14, spout 13 sets up in the upper surface right-hand member of support 2, the inside sliding connection of slider 14 and spout 13, and the upper surface of slider 14 and the lower fixed surface of rectangle frame 84 are connected, play the spacing effect of support to rectangle frame 84, increase stability.

Wherein: the gas detection device further comprises two check valves 12, wherein the two check valves 12 are respectively connected in series in the middle of the guide pipe 11, the flowing direction of gas is controlled, and the detection efficiency is improved.

Wherein: still include

PLC controller

3, 3 fixed connection in the right flank of support 2 of PLC controller, external power source is connected to PLC controller 3's input electricity.

When in use: the odor detector 92 and the motor 81 are respectively started by the PLC 3, the output shaft of the motor 81 drives the turntable 82 to rotate, the turntable 82 drives the pin shaft 83 to rotate, the pin shaft 83 pushes the rectangular frame 84 to reciprocate left and right when rotating, the rectangular frame 84 pushes and pulls the piston 5 through the push-pull rod 6, when the piston 5 moves towards the right side, the left end of the piston cylinder 4 forms negative pressure, the one-way valve 12 on the left side is opened, external air enters the inside of the piston cylinder 4 from the conduit 11 on the left side, when the piston 5 moves towards the left side, the one-way valve 12 on the left side is closed, the one-way valve 12 on the lower side is opened, air inside the piston cylinder 4 enters the inside of the detection box 9 from the conduit 11 on the lower side, when the air is discharged from the bottom of the conduit 11 on the lower side, the odor detector 92 detects odor inside the, the detection precision is improved, the manual labor is reduced, and the reliability of the detection data is improved.

It should be noted that the specific model of the PLC controller 3 disclosed in this embodiment is a huada HC32M140 single chip microcomputer, the odor detector 92 and the motor 81 can be freely configured according to an actual application scenario, the motor 81 can be a 20-series stepping motor available from moku electromechanical ltd, dongguan, and the PLC controller 3 controls the motor 81 to work by a method commonly used in the prior art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An odor detection device, characterized by: comprises a bottom plate (1), a driving component (8) and a detection box (9);

base plate (1): the right side of the upper surface of the piston cylinder is fixedly connected with a support (2), the left end of the upper surface of the support (2) is fixedly connected with a piston cylinder (4), a piston (5) is connected inside the piston cylinder (4) in a sliding manner, the right side surface of the piston (5) is fixedly connected with a push-pull rod (6), the outer arc surface of the push-pull rod (6) is connected with the inside of a through hole formed in the right side plate of the piston cylinder (4) in a sliding manner, the left side wall of the piston cylinder (4) is provided with an air inlet (7), the lower end of the arc surface of the piston cylinder (4) is provided with an exhaust port (10), and the left end;

drive assembly (8): the right end of the upper surface of the support (2) is provided with a driving component (8) corresponding to the push-pull rod (6);

detection box (9): the guide pipe (11) is arranged at the left end of the upper surface of the bottom plate (1), penetrates through a through hole of a top plate of the detection box (9) and extends to the bottom of the detection box (9);

wherein: still include PLC controller (3), PLC controller (3) fixed connection is in the right flank of support (2), and external power source is connected to the input electricity of PLC controller (3).

2. An odor detection device as defined in claim 1, wherein: drive assembly (8) include motor (81), carousel (82), round pin axle (83) and rectangle frame (84), motor (81) fixed connection is in the upper surface right-hand member of support (2), carousel (82) fixed connection is in the output shaft front end of motor (81), round pin axle (83) fixed connection is extensive in the leading flank of carousel (82), rectangle frame (84) fixed connection is in the right flank of push-and-pull rod (6), the extrados sliding connection of medial surface round pin axle (83) of rectangle frame (84), the output of PLC controller (3) is connected to the input electricity of motor (81).

3. An odor detection device as defined in claim 2, wherein: still include spout (13) and slider (14), spout (13) set up in the upper surface right-hand member of support (2), the inside sliding connection of slider (14) and spout (13), the upper surface of slider (14) and the lower surface fixed connection of rectangle frame (84).

4. An odor detection device as defined in claim 1, wherein: the detection box is characterized in that a mounting seat (91) is fixedly connected to the upper surface of a bottom plate of the detection box (9), a smell detector (92) is fixedly connected to the upper surface of the mounting seat (91), the smell detector (92) is located inside the lower end of a guide pipe (11) below, an air outlet pipe (93) is arranged at the upper end of the side wall of the detection box (9), and the input end of the smell detector (92) is electrically connected with the output end of the PLC (3).

5. An odor detection device as defined in claim 1, wherein: the device also comprises two one-way valves (12), wherein the two one-way valves (12) are respectively connected in series in the middle of the guide pipe (11).