CN213023036U - A U-disk electronic nose detector - Google Patents
A U-disk electronic nose detector Download PDFInfo
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- CN213023036U CN213023036U CN202021563980.3U CN202021563980U CN213023036U CN 213023036 U CN213023036 U CN 213023036U CN 202021563980 U CN202021563980 U CN 202021563980U CN 213023036 U CN213023036 U CN 213023036U
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- 239000007789 gas Substances 0.000 description 40
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- 230000005540 biological transmission Effects 0.000 description 4
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- 238000012549 training Methods 0.000 description 3
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- 238000011161 development Methods 0.000 description 2
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- 238000013528 artificial neural network Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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- 230000004044 response Effects 0.000 description 1
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- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of the electron nose detector is relevant to a USB flash disk electron nose detector is disclosed. The detector comprises a main control circuit board, a gas sensor, a USB male connector, a USB upper cover and a USB bottom cover, wherein the main control circuit board is arranged between the USB upper cover and the USB bottom cover; USB upper cover and gas sensor correspond position department and are provided with a plurality of gas pockets, wait to detect gas on the one hand and get into the inside and gas sensor contact of detector through this gas pocket, and on the other hand heat gives off through this gas pocket. Through the utility model discloses, simplify equipment structure, reduce the volume, reduce cost improves the commonality and the suitability of detector.
Description
Technical Field
The utility model belongs to the technical field of the electron nose detector is relevant, more specifically relates to a USB flash disk electron nose detector.
Background
Gases carry a great deal of information and gas quality detection is becoming increasingly important in order to make full use of this information. In the industrial field, the development of modern industry, although bringing great convenience to people's lives, inevitably, industrial production is always accompanied by the emission of harmful substances and gases which, if not properly treated, would compromise the quality of the atmosphere, affecting our living environment; in the medical field, researches find that certain trace gas indexes (mainly volatile organic gases) of exhaled gas of people can be used as auxiliary references for diagnosing diseases; in daily life, the quality of food can be judged by odor; during traffic control, the ethanol content in the breath exhaled by a person who drinks and drives the automobile is obviously higher than the normal level, which provides important reference for preliminarily judging whether the automobile is drunk and driven.
On the development path of gas sensors, bionics plays a very important role. Electronic nose equipment developed by people to simulate the olfactory organs of animals is a milestone scientific product. The principle is that based on the characteristic response spectrum generated by the sensitivity difference of different sensors to different gases, algorithms such as a neural network and other data processing methods are utilized to achieve the purpose of analyzing and evaluating the quality of the gases. Electronic nose equipment is widely used in low-cost environment detection scenes such as drunk driving detection, breath detection, home environment detection and the like, but the current commercial electronic nose equipment has the following problems: 1) the equipment volume is large, and the portable equipment is expensive; 2) the equipment can detect less gas types, and has poor universality and applicability.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects or the improvement requirements in the prior art, the utility model provides a USB disk type electronic nose detector, which is connected with a mobile phone or a computer through a USB interface, and can utilize the mobile phone or the computer to realize the functions of power supply, data transmission, operation, display and the like, so that the detector only comprises a sensor array and the functions of conditioning, data sampling and transmission, and the gas sensor array is highly integrated, thereby greatly simplifying the structure of equipment, reducing the volume of the equipment and reducing the cost of the equipment; meanwhile, the universality and the applicability of the detector are improved by selecting the gas sensor.
In order to achieve the above object, according to the present invention, there is provided a U-disk type electronic nose detector, which comprises a main control circuit board, a gas sensor, a USB male connector, a USB upper cover and a USB bottom cover, wherein,
the main control circuit board is arranged between the USB upper cover and the USB bottom cover, the gas sensor is arranged at one end of the main control circuit board, the USB male connector is arranged at the other end of the main control circuit board, the gas sensor is used for detecting gas to be detected and transmitting the detected data to the main control circuit board, and the main control circuit board transmits the detected data to the outside through the USB connector;
the USB upper cover and the USB bottom cover are used for protecting the gas sensor and the main control circuit board, wherein a plurality of air holes are formed in the position, corresponding to the gas sensor, of the USB upper cover, on one hand, gas to be detected enters the inside of the detector through the air holes and contacts the gas sensor, and on the other hand, heat is dissipated through the air holes.
Further preferably, the gas sensor is a micro-array gas sensor comprising k array-distributed sensing elements, wherein k is an integer not less than 1.
Further preferably, the k sensor element gas sensors are an integration of one or more of a catalytic combustion sensor element, a solid electrolyte sensor element, and a semiconductor type sensor element.
Further preferably, the gas sensor surface is also provided with gas holes through which the gas to be detected further enters the gas sensor.
Further preferably, the USB male connector is one or more of TYPE-A, TYPE-C or USB-micro.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, possesses following beneficial effect:
1. the utility model provides a U-disk electronic nose detector which has simple structure, small volume, portability and convenient carrying; the micro array type gas sensor can be highly integrated by various sensors, and the application cost is greatly reduced on the premise of ensuring high functional integration level;
2. the utility model provides a pair of USB disk electronic nose detector can select different USB male joint types according to the application, makes it remove the end with computer end or cell-phone and is connected, and the commonality is good. Furthermore, the utility model provides a pair of USB flash disk electronic nose detector also provides online training recognition function, cooperates computer end or removes end software, can realize that gaseous detection and early warning rule under the strange environment establish, and the suitability is good.
Drawings
Fig. 1 is an exploded view of a structure of a usb-disc electronic nose detector constructed in accordance with a preferred embodiment of the present invention;
fig. 2 is a schematic structural diagram of a usb-disc electronic nose detector constructed according to a preferred embodiment of the present invention;
fig. 3 is a block diagram of a structure of a usb-disc electronic nose detector according to a preferred embodiment of the present invention.
In all the figures, the same reference numerals denote the same features, in particular:
1-USB upper cover, 2-USB male connector, 3-main control circuit board, 4-gas sensor, 5-USB bottom cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
Please refer to fig. 1 and fig. 2, which are a schematic structural diagram and an exploded structural diagram of a usb disk type electronic nose detector according to an embodiment of the present invention. The U-disk type electronic nose detector comprises a USB upper cover 1, a USB male connector 2, a main control circuit board 3, a gas sensor 4 and a USB bottom cover 5, wherein the USB male connector 2 and the micro array type gas sensor 4 are arranged on the main control circuit board 3 at intervals, the main control circuit board 3 is arranged between the USB upper cover 1 and the USB bottom cover 5, and the USB male connector 2 and the micro array type gas sensor 4 are fixedly connected through screws; the USB upper cover 1 is provided with an array of holes at the position of the micro array type gas sensor 4, so that heat generated during the working of the sensor can be dissipated, and external target gas can flow through the sensor cavity to interact with the sensor.
Further, the USB male connector 2 can be one or a combination of more of TYPE-A, TYPE-C, USB-micro, etc.; the embodiment of the utility model provides a pair of USB disk electronic nose detector has chooseed TYPE-C formula USB male joint for use, can hold compatible use with the removal that has corresponding interface such as cell-phone, can the different target gas of on-line training discernment. In addition, the gas sensor 4 is a micro-array type gas sensor, and comprises k different array gas sensitive elements, wherein k is an integer not less than 1. The array gas sensitive element can be one or more of a catalytic combustion type sensing element, a solid electrolyte type sensing element, a semiconductor type sensing element and the like; preferably, the embodiment of the utility model provides a pair of USB flash disk electronic nose detector has adopted the mixed array of a polybasic miniature gas sensor, collects catalytic combustion formula, solid electrolyte formula, semiconductor formula sensor on same miniature sensing device, under the prerequisite that does not influence the function integration nature, has reduced the volume and the cost of detector.
Further, the main control circuit board has any shape, and the functions comprise: sensor working state control, data transmission, data storage and the like.
Furthermore, the software matched with the main control circuit board comprises computer end software and mobile end software, and the functions of the software comprise: data transmission, computation, storage, display and the like.
To sum up, the embodiment of the utility model provides a pair of USB flash disk electron nose detector volume is only a USB flash disk size, portable. In addition, the TYPE-C interface of the USB flash disk TYPE electronic nose detector provided by the embodiment allows the detector to be matched with a mobile terminal for use, and provides an online training and recognition function, so that the applicability of the detector to strange environments is improved.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A U-disk type electronic nose detector is characterized by comprising a main control circuit board (3), a gas sensor (4), a USB male connector (2), a USB upper cover (1) and a USB bottom cover (5),
the main control circuit board (3) is arranged between the USB upper cover (1) and the USB bottom cover (5), the gas sensor (4) is arranged at one end of the main control circuit board (3), the USB male connector (2) is arranged at the other end of the main control circuit board (3), the gas sensor (4) is used for detecting gas to be detected and transmitting detected data to the main control circuit board (3), and the main control circuit board transmits the detected data to the outside through the USB connector;
USB upper cover (1) and USB bottom (5) are used for protecting institute's gas sensor and main control circuit board, wherein, USB upper cover (1) with gas sensor corresponding position department is provided with a plurality of gas pockets, on the one hand wait to detect gas through this gas pocket get into the detector inside with the gas sensor contact, on the other hand heat distributes through this gas pocket.
2. The U-disk electronic nose detector according to claim 1, wherein the gas sensor (4) is a micro-array gas sensor comprising k sensor elements distributed in an array, wherein k is an integer not less than 1.
3. The U-disk electronic nose detector of claim 2, wherein the sensing element of the gas sensor (4) is an integration of one or more of a catalytic combustion type sensing element, a solid electrolyte type sensing element and a semiconductor type sensing element.
4. The U-disk electronic nose detector according to claim 1, wherein the surface of the gas sensor (4) is also provided with a gas hole through which the gas to be detected further enters the gas sensor.
5. The U-disk electronic nose detector of claim 1, wherein the USB male connector (2) is of a TYPE of TYPE-A, TYPE-C or USB-micro or a combination of one or more of the TYPEs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021563980.3U CN213023036U (en) | 2020-07-31 | 2020-07-31 | A U-disk electronic nose detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021563980.3U CN213023036U (en) | 2020-07-31 | 2020-07-31 | A U-disk electronic nose detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213023036U true CN213023036U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021563980.3U Active CN213023036U (en) | 2020-07-31 | 2020-07-31 | A U-disk electronic nose detector |
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| Country | Link |
|---|---|
| CN (1) | CN213023036U (en) |
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2020
- 2020-07-31 CN CN202021563980.3U patent/CN213023036U/en active Active
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