CN204302255U - A kind of imitative zokor nasal cavity Electronic Nose - Google Patents

A kind of imitative zokor nasal cavity Electronic Nose Download PDF

Info

Publication number
CN204302255U
CN204302255U CN201420687106.9U CN201420687106U CN204302255U CN 204302255 U CN204302255 U CN 204302255U CN 201420687106 U CN201420687106 U CN 201420687106U CN 204302255 U CN204302255 U CN 204302255U
Authority
CN
China
Prior art keywords
air
gas
cleaner
guide face
cylindrical
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.)
Expired - Fee Related
Application number
CN201420687106.9U
Other languages
Chinese (zh)
Inventor
常志勇
慕海锋
陈东辉
佟金
马云海
孙霁宇
郭丽丽
李默
周江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jilin University
Original Assignee
Jilin University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jilin University filed Critical Jilin University
Priority to CN201420687106.9U priority Critical patent/CN204302255U/en
Application granted granted Critical
Publication of CN204302255U publication Critical patent/CN204302255U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Sampling And Sample Adjustment (AREA)

Abstract

The utility model discloses a kind of imitative zokor nasal cavity Electronic Nose, be made up of cleaner, air pump and gas compartment, cleaner, air pump and gas compartment are arranged from front to back successively, use conduit UNICOM each other; The utility model has imitative zokor nasal cavity mechanism, by the size of gas outlet, adjustments of gas room, and the position of sensor, the structure of air chamber, can make sensor be in be suitable for the optimum gas stream mode of signals collecting; Each sensor is uniformly distributed in air chamber, ensure that the uniformity of each sensor place smell state, and these features improve accuracy of detection and the sensitivity of Electronic Nose.By the design ap-plication of dedusting and drying equipment etc., solve the problem that underground gas detects well.

Description

A kind of imitative zokor nasal cavity Electronic Nose
Technical field
The utility model relates to a kind of imitative zokor nasal cavity Electronic Nose, is specially adapted to underground gas and detects, belong to mechanical engineering field.
Background technology
Zokor, have another name called ground sheep, Sialon, the bodily form is as common mouse, and head is large and flat, and vision is extremely undeveloped, perches in soil moisture, loose hole, and happiness is dark, and be afraid of sunlight, weak-eyed, digs a hole and search for food, and smell can be leaned on to find and identify food, having very strong sense of smell ability.
Formation and the airflow pattern of sense of smell have substantial connection, and the architectural feature of nasal cavity determines the hydrodynamic characteristic of its internal gas flow, and regio olfactoria and flow passage structure change and strongly can affect internal flow and the transmission of smell in regio olfactoria.Therefore, when carrying out the design of Electronic Nose gas compartment, in order to improve the olfactory sensibility of Electronic Nose further, must take into full account that gas compartment structure, gas production mode and concrete olfactory region geometry are on the impact of accuracy of detection.
Summary of the invention
The utility model adopts imitative zokor nasal cavity structure, and provide a kind of imitative zokor nasal cavity Electronic Nose, the utility model improves accuracy of detection and the sensitivity of Electronic Nose by Bionic Design.Be specially adapted to underground gas detect.
The utility model is made up of cleaner, air pump and gas compartment, and cleaner, air pump and gas compartment are arranged from front to back successively, use conduit UNICOM each other;
Described cleaner is made up of gas collection lid, cylindrical cleaner cup, long duct, cork, gravel, drier and air valve, gas collection chamber cap is set in cleaner periphery, gas collection chamber cap sidewall lower limb has cutting edge, be convenient to its incision soil, an airtight collection chamber is formed with the gas collection interference fit of underground, cork is filled in cover and form closed space on cylindrical cleaner cup, this space closed is cleaner cavity, gravel is inserted in the bottom of cleaner cavity, insert drier at an upper portion thereof, realize the dedusting to gas to be detected and drying.Long duct is inserted bottom collection chamber by the aperture on cork, cleaner cavity bottom successively, and the air inlet of long duct is provided with air valve; Air valve is closed when gas collection, opens when air pump is bled and detected.Have air permeable plate in the bottom of cleaner cup, air permeable plate is evenly distributed with the identical hole of diameter ringwise, and this hole is as the gas feed of cleaner cavity, and cork offers through hole as the outlet of filtering rear gas.
The air inlet of described air pump is connected with cleaner gas outlet by conduit, and the gas outlet of air pump is connected with gas compartment air inlet, and the gas flowing that air pump is whole device provides power.
Described gas compartment is by cylindrical housings, lower guide face, upper guide face, sensor, cylindrical top cover, screw rod, screwed hole, internal thread and external screw thread are formed, lower guide face is installed on the bottom of cylindrical housings, upper guide face is coaxially installed on the top of lower guide face, wherein go up guide face, a part for lower guide face and cylindrical housings forms air chamber, this air chamber has imitative zokor nose flow passage structure, the circular cylindrical shell body sidewall of formation air chamber is evenly distributed with the first air-vent, this structure is in order to the nosepiece structure of imitative zokor, this the first air-vent is also the gas outlet of air chamber.Sensor is evenly distributed with at the horizontal plane of upper guide face, in cylindrical top cover, central authorities are connected with screw rod by thread pore structure, screw rod lower end and upper guide face center consolidation, the structure of air chamber and the upper-lower position of sensor can be changed by rotary screw, cylindrical top cover sidewall is evenly distributed with the second air-vent, pass and the distribution of the second air-vent are identical with the first air-vent in cylindrical housings.Cylindrical housings is connected by internal thread and external screw thread with cylindrical top cover.The air inlet of air chamber is at the lower center position of cylindrical housings.
The course of work of the present utility model and principle:
Air pump provides power for the gas in whole device flows.During work, inserted in the gas collection space, underground dug by cleaner, make the cutting edge incision soil of gas collection chamber cap sidewall lower limb, the gas collection interference fit with underground is formed an airtight collection chamber by gas collection chamber cap, air valve is closed when gas collection, opens when gas air pump is bled and detected.After gas collection terminates, open air valve and air pump, under the effect of air pump, gas to be measured in collection chamber enters cleaner cavity by from the aperture on the air permeable plate bottom cleaner cup, dedusting and drying is carried out by gravel and drier in cleaner cavity, then discharge through the hole of cork central authorities, enter air pump, enter the air chamber of gas compartment through the air inlet of air chamber under the pumping of air pump, the sensor installed by the upper horizontal portions of upper guide face completes the detection to gas to be measured in air chamber, the air-vent finally covered through cylindrical housings and cylindrical, top is discharged.In the process detected, the structure of air chamber and the upper-lower position of sensor can be changed by rotary screw; Also can be changed structure and the volume of air chamber by rotational circle cylindricality top cover, also can change the registration that cylindrical housings and cylindrical, top cover air-vent simultaneously.The state of sensor surveyed area air-flow is changed, to reach the optimum gas stream mode being suitable for collecting sensor signal, to improve accuracy of detection and the sensitivity of sensor by above-mentioned measure.
The beneficial effects of the utility model:
The utility model has imitative zokor nasal cavity mechanism, by the size of gas outlet, adjustments of gas room, and the position of sensor, the structure of air chamber, can make sensor be in be suitable for the optimum gas stream mode of signals collecting; Each sensor is uniformly distributed in air chamber, ensure that the uniformity of each sensor place smell state, and these features improve accuracy of detection and the sensitivity of Electronic Nose.By the design ap-plication of dedusting and drying equipment etc., solve the problem that underground gas detects well.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is cleaner structure schematic diagram of the present utility model.
Fig. 3 is the air permeable plate structural representation of the cleaner of the utility model.
Fig. 4 is gas compartment structural representation of the present utility model.
Fig. 5 is the cylindrical top cover structural representation of the gas compartment of the utility model.
Fig. 6 is the Cylindrical housing structure schematic diagram of the gas compartment of the utility model.
Detailed description of the invention
Refer to shown in Fig. 1, the utility model is made up of cleaner A, air pump B and gas compartment C, and cleaner A, air pump B and gas compartment C arrange from front to back successively, use conduit UNICOM each other;
Refer to Fig. 1, shown in Fig. 2 and Fig. 3, cleaner A is by gas collection lid A2, cylindrical cleaner cup A3, long duct A5, cork A1, gravel, drier and air valve A6 are formed, gas collection chamber cap A2 is set in cleaner A periphery, gas collection chamber cap A2 sidewall lower limb has cutting edge, be convenient to its incision soil, an airtight collection chamber is formed with the gas collection interference fit of underground, cork A1 fills in cover and form closed space on cylindrical cleaner cup A3, this space closed is cleaner cavity D, gravel is inserted in the bottom of cleaner cavity D, insert drier at an upper portion thereof, realize the dedusting to gas to be detected and drying.Long duct A5 is successively by inserting bottom collection chamber bottom the aperture on cork, cleaner cavity D, and the air inlet of long duct A5 is provided with air valve A6; Air valve A6 closes when gas collection, opens when air pump is bled and detected.Have air permeable plate A4 in the bottom of cleaner cup A3, air permeable plate A4 is evenly distributed with the identical hole A41 of diameter ringwise, and this hole A41 is as the gas feed of cleaner cavity D, and cork A1 offers through hole as the outlet of filtering rear gas.
Refer to shown in Fig. 1, the air inlet of described air pump B is connected with cleaner A gas outlet by conduit, and the gas outlet of air pump B is connected with gas compartment C air inlet, and the gas flowing that air pump B is whole device provides power.
Refer to Fig. 1, Fig. 4, shown in Fig. 5 and Fig. 6, described gas compartment C is by cylindrical housings C5, lower guide face C4, upper guide face C3, sensor C2, cylindrical top cover C1, screw rod C6, screwed hole C11, internal thread C13 and external screw thread C52 is formed, lower guide face C4 is installed on the bottom of cylindrical housings C5, upper guide face C3 is coaxially installed on the top of lower guide face C4, wherein go up guide face C3, a part of lower guide face C4 and cylindrical housings C5 forms air chamber, this air chamber has imitative zokor nose flow passage structure, the cylindrical housings C5 sidewall of formation air chamber is evenly distributed with the first air-vent C51, this structure is in order to the nosepiece structure of imitative zokor, this first air-vent C51 is also the gas outlet of air chamber.Sensor C2 is evenly distributed with at the horizontal plane of upper guide face C3, screw rod C6 is had by screwed hole C11 anatomical connectivity in cylindrical top cover C1 central authorities, screw rod C6 lower end and upper guide face C3 center consolidation, the structure of air chamber and the upper-lower position of sensor C2 can be changed by rotary screw C6, cylindrical top cover C1 sidewall is evenly distributed with the second air-vent C12, pass and the distribution of the second air-vent C12 are identical with the first air-vent C51 on cylindrical housings C5, and cylindrical housings C5 is connected by internal thread C13 and external screw thread C52 with cylindrical top cover C1.The air inlet C53 of air chamber is at the lower center position of cylindrical housings C5.
The course of work of the present utility model and principle:
Air pump B provides power for the gas in whole device flows.During work, inserted in the gas collection space, underground dug by cleaner A, make the cutting edge incision soil of gas collection chamber cap A2 sidewall lower limb, the gas collection interference fit with underground is formed an airtight collection chamber by gas collection chamber cap A2, air valve A6 closes when gas collection, opens when gas air pump B bleeds and detects.After gas collection terminates, open air valve A6 and air pump B, under the effect of air pump B, gas to be measured in collection chamber enters cleaner cavity D by from the aperture on the air permeable plate A4 bottom cleaner cup A3, dedusting and drying is carried out by gravel and drier in cleaner cavity D, then discharge through the hole of cork A1 central authorities, enter air pump B, enter the air chamber of gas compartment C through the air inlet of air chamber under the pumping of air pump B, the sensor C2 installed by the upper horizontal portions of upper guide face C3 completes the detection to gas to be measured in air chamber, final air-vent on cylindrical housings C5 and cylindrical top cover C1 is discharged.In the process detected, the structure of air chamber and the upper-lower position of sensor C2 can be changed by rotary screw C6; Also can be changed structure and the volume of air chamber by rotational circle cylindricality top cover C1, also can change the registration of air-vent on cylindrical housings C5 and cylindrical top cover C1 simultaneously.The state of sensor C2 surveyed area air-flow is changed, to reach the optimum gas stream mode being suitable for sensor C2 signals collecting, to improve accuracy of detection and the sensitivity of sensor by above-mentioned measure.

Claims (1)

1. an imitative zokor nasal cavity Electronic Nose, it is characterized in that: be made up of cleaner (A), air pump (B) and gas compartment (C), cleaner (A), air pump (B) and gas compartment (C) are arranged from front to back successively, use conduit UNICOM each other;
Described cleaner (A) is by gas collection lid (A2), cylindrical cleaner cup (A3), long duct (A5), cork (A1), gravel, drier and air valve (A6) are formed, gas collection chamber cap (A2) is set in cleaner (A) periphery, gas collection chamber cap (A2) sidewall lower limb has cutting edge, be convenient to its incision soil, an airtight collection chamber is formed with the gas collection interference fit of underground, the space covered and close in the upper formation of cylindrical cleaner cup (A3) filled in by cork (A1), this space closed is cleaner cavity (D), gravel is inserted in the bottom of cleaner cavity (D), insert drier at an upper portion thereof, long duct (A5) is successively by the aperture on cork, cleaner cavity (D) bottom is inserted bottom collection chamber, the air inlet of long duct (A5) is provided with air valve (A6), in the bottom of cleaner cup (A3), there is air permeable plate (A4), air permeable plate (A4) is evenly distributed with the identical hole of diameter (A41) ringwise, this hole (A41) is as the gas feed of cleaner cavity (D), and cork (A1) offers through hole as the outlet of filtering rear gas,
The air inlet of described air pump (B) is connected with cleaner (A) gas outlet by conduit, the gas outlet of air pump (B) is connected with gas compartment (C) air inlet, and the gas flowing that air pump (B) is whole device provides power;
Described gas compartment (C) is by cylindrical housings (C5), lower guide face (C4), upper guide face (C3), sensor (C2), cylindrical top cover (C1), screw rod (C6), screwed hole (C11), internal thread (C13) and external screw thread (C52) are formed, lower guide face (C4) is installed on the bottom of cylindrical housings (C5), upper guide face (C3) is coaxially installed on the top of lower guide face (C4), wherein go up guide face (C3), a part for lower guide face (C4) and cylindrical housings (C5) forms air chamber, cylindrical housings (C5) sidewall of formation air chamber is evenly distributed with the first air-vent (C51), this the first air-vent (C51) is also the gas outlet of air chamber, sensor (C2) is evenly distributed with at the horizontal plane of upper guide face (C3), in cylindrical top cover (C1), there are screw rod (C6) in central authorities by screwed hole (C11) anatomical connectivity, screw rod (C6) lower end and upper guide face (C3) center consolidation, the structure of air chamber and the upper-lower position of sensor (C2) can be changed by rotary screw (C6), cylindrical top cover (C1) sidewall is evenly distributed with the second air-vent (C12), pass and the distribution of the second air-vent (C12) are identical with the first air-vent (C51) in cylindrical housings (C5), cylindrical housings (C5) is connected by internal thread (C13) and external screw thread (C52) with cylindrical top cover (C1), and the air inlet (C53) of air chamber is at the lower center position of cylindrical housings (C5).
CN201420687106.9U 2014-11-17 2014-11-17 A kind of imitative zokor nasal cavity Electronic Nose Expired - Fee Related CN204302255U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420687106.9U CN204302255U (en) 2014-11-17 2014-11-17 A kind of imitative zokor nasal cavity Electronic Nose

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420687106.9U CN204302255U (en) 2014-11-17 2014-11-17 A kind of imitative zokor nasal cavity Electronic Nose

Publications (1)

Publication Number Publication Date
CN204302255U true CN204302255U (en) 2015-04-29

Family

ID=53107786

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420687106.9U Expired - Fee Related CN204302255U (en) 2014-11-17 2014-11-17 A kind of imitative zokor nasal cavity Electronic Nose

Country Status (1)

Country Link
CN (1) CN204302255U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104360023A (en) * 2014-11-17 2015-02-18 吉林大学 Zokor nasal cavity-imitation electronic nose

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104360023A (en) * 2014-11-17 2015-02-18 吉林大学 Zokor nasal cavity-imitation electronic nose
CN104360023B (en) * 2014-11-17 2017-01-25 吉林大学 Zokor nasal cavity-imitation electronic nose

Similar Documents

Publication Publication Date Title
CN104360023A (en) Zokor nasal cavity-imitation electronic nose
CN107024409B (en) A kind of measurement method of Cigarette segmentation resistance to suction
CN206339413U (en) Ground water fixed depth quantitative water sampler
CN204302255U (en) A kind of imitative zokor nasal cavity Electronic Nose
CN108593873A (en) A kind of sampling detecting device of the chemical products processing convenient for stored sample
CN206618741U (en) Dark box type formaldehyde examination device
CN206601321U (en) A kind of dust sensor
CN204903249U (en) Portable mining dust sampler
CN205538373U (en) Many degree of depth of single injection formula soil gas collection system
CN203869885U (en) Evenly wind sending device
CN204112301U (en) A kind of hole pressure touching methods probe vacuum degassing device
CN105865995B (en) Green plants blade lays the dust amount detecting device
CN205664903U (en) Water level transducer
CN205850360U (en) A kind of filter
CN105445426A (en) Architectural coating formaldehyde testing device
CN205909881U (en) Amount of wind collection system
CN206725533U (en) Formaldehyde wireless collection box
CN108554463A (en) A kind of rain test chamber
CN105013791B (en) Dust absorbing devices
CN204165600U (en) A kind of air quantity shield
CN203606181U (en) Sampling apparatus for testing water quality
CN205175992U (en) Architectural coatings formaldehyde detector
CN205679576U (en) A kind of gas chromatograph constant voltage sampling device
CN207882241U (en) A kind of detection device of formaldehyde removal rate
CN102519840B (en) Viscose filtering resistance detection method

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150429

Termination date: 20161117

CF01 Termination of patent right due to non-payment of annual fee