CN2371558Y

CN2371558Y - Odorimeter for oral cavity

Info

Publication number: CN2371558Y
Application number: CN 98241623
Authority: CN
Inventors: 苏兆达
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-10-20
Filing date: 1998-10-20
Publication date: 2000-03-29
Anticipated expiration: 2008-10-20

Abstract

The utility model relates to an odorimeter for an oral cavity, particularly an odorimeter for an oral cavity for testing the density of odor in an oral cavity of a human body. The utility model mainly comprises a power supply part, a sensing part, a central processing part and a display part. A compound perceptron of the odorimeter for an oral cavity measures the odor in an oral cavity, the odor is sensed and separated, the density is sampled, and the value of the density is amplified to be inputted in a single crystal slice microprocessor. A multiple button detecting matrix detects the value of the density. A user presses a switch, a signal is generated to be inputted in the single crystal slice microprocessor, and a sensing signal for testing the density of odor is outputted into a liquid crystal display.

Description

The oral cavity smell concentration detector

The utility model relates to a kind of oral cavity smell concentration detector, refers to a kind of oral cavity smell concentration detector of gradation of human body oral cavity smell especially.

Along with the lifting of social life level, interpersonal communication talk becomes an important ring of ceremony life, therefore, when having peculiar smell as if talking with the people in the oral cavity, will make the expansion of interpersonal relation own form invisible barrier one.

In addition, people have often in the middle of the diet having a dinner after, retain the distinctive smell of food in the oral cavity, as garlic or durian etc., even after people use mouthwash or chew gum, still can't feel to have got rid of whether the peculiar smell in the oral cavity really.Therefore, the utility model provides a kind of Portable and operates easy oral cavity smell concentration detector, and whether the smell that can make the user can accurately grasp the oral cavity more at any time can influence the atmosphere of talking to each other.

Fundamental purpose of the present utility model provides a kind of Portable and operates easy oral cavity smell concentration detector.

Another purpose of the present utility model provides the oral cavity smell concentration detector that a kind of user can detect the oral cavity smell concentration standard.

The purpose of this utility model can reach by following measure: a kind of oral cavity smell concentration detector, and in order to measure odorousness in the oral cavity, it includes:

One power unit produces a reference voltage;

One central processing portion has input interface and output interface;

One smell detects part, is reference with aforementioned reference voltage, and the signal of a smell synthesis perceptron being measured odorousness in the aforementioned oral cavity exports the input interface of aforementioned central processing portion to after sampling is amplified;

One display part can be shown as numeric representation with the signal of the output interface of aforementioned central processing portion;

Aforementioned central processing portion acceptable gas flavor concentration is set, and analyzes odorousness in the aforementioned oral cavity according to this.

Wherein aforementioned smell detects part, also comprises a smell checking circuit, a smell separation circuit, a concentration sample circuit and a signal amplification circuit.

Wherein aforementioned central processing portion comprises button detecting matrix, when pressing to detect a switch, after the signal Processing with input interface, exports the aforementioned display branch to by output interface.

Wherein aforementioned central processing portion comprises button detecting matrix, when pressing to detect a switch, accepts aforementioned odorousness and sets, and is present execution parameter.

The utility model has following advantage compared to existing technology:

The utility model oral cavity smell concentration detector is mainly detected reference voltage, an oral cavity smell synthesis perceptron, a smell checking circuit, a smell separation circuit, a concentration sample circuit, a concentration value amplifying circuit, a LCD and circuit thereof and is formed by a single chip microprocessor, a crystal oscillation circuit, system's reset circuit, a multiple button detecting matrix, a general supply circuit, certain electric current mu balanced circuit, a smell.

The utility model utilizes a kind of smell synthesis perceptron to go to survey the gradation of smell in the oral cavity, when the synthesis perceptron of oral cavity odorousness detecting device records smell in the oral cavity, via smell detect, smell separates, the concentration sampling is amplified in the back input single chip microprocessor with concentration value, and press switch by multiple button detecting matrix detecting user, just produce a signal and input to aforementioned single chip microprocessor, export a LCD to and will predict the odorousness sensing signal.

The oral cavity smell concentration detector that the utility model is implemented, whether can effectively solve existing can't learning at any time has peculiar smell that inconvenience takes place in the oral cavity, and the utility model oral cavity smell concentration detector has portability and operates simple and easyly, provides the user to predict unusual odor in the oral cavity easily under various occasions.

The utility model oral cavity smell concentration detector and plurality of advantages thereof and feature will be further understood from following detailed description and appended diagram.

[illustrating]

Fig. 1. be the calcspar of the utility model oral cavity smell concentration detector;

Fig. 2. be the concrete enforcement circuit diagram of the utility model oral cavity smell concentration detector.

[figure number explanation]

1 ... power unit 11 ... the general supply circuit

12 ... decide electric current mu balanced circuit 13 ... smell detects reference voltage

2 ... detect part 21 ... oral cavity smell synthesis perceptron

22 ... smell checking circuit 23 ... the smell separation circuit

24 ... concentration sample circuit 25 ... the concentration value amplifying circuit

26 ... detection signal 3 ... central processing portion

31 ... single chip microprocessor 32 ... crystal oscillation circuit

33 ... system's reset circuit 34 ... multiple button detecting matrix

4 ... display part 41 ... LCD and circuit thereof

The utility model oral cavity smell concentration detector is characterised in that and utilizes a kind of smell synthesis perceptron to go to survey the gradation of smell in the oral cavity, via the linear change of this smell perceptron to smell itself, and learns the concentration value of aforementioned smell.

, be the calcspar of the utility model oral cavity smell concentration detector at first with reference to shown in Figure 1.This calcspar mainly comprises four parts: power unit 1, detect part 2, central processing portion 3 and display part 4.Power unit 1 is by general supply circuit 11 and decide electric current mu balanced circuit 12 and formed, and mainly produces the power supply supply that a smell detects reference voltage 13 and each square of the utility model oral cavity smell concentration detector is provided.Aforementioned general supply circuit 11 comprises one group of dry type battery, and smell to detect reference voltage 13 be to decide electric current mu balanced circuit 12 by this to produce and be electrically connected in the circuit that detects part 2 and use.

Detecting part 2 is made up of oral cavity smell synthesis perceptron 21, smell checking circuit 22, smell separation circuit 23, concentration sample circuit 24 and concentration value amplifying circuit 25.Aforementioned detect that part 2 is main the deep or light feature of smell in the oral cavity found out via smell synthesis perceptron 21 after, conversion produces a detection signal 26 and inputs to central processing portion 3 again.Aforementioned oral cavity smell synthesis perceptron 21 can predict the gradation of multiple smell, and is to grasp intensity of variation by smell checking circuit 22; This smell checking circuit 22 detects reference voltage 13 relatively with the smell that power unit 1 produces, and is set by the control signal from central processing portion 3, and aforementioned control signal is data and the parameter that all smells to be detected are provided by single chip microprocessor 31; The output signal of smell checking circuit 22 is separated unnecessary curvilinear motion and data by smell separation circuit 23, becoming single linear changes, and then be transferred to concentration sample circuit 24 and carry out analytical sampling, concentration sample circuit 24 major functions are to carry out the linear work sampling and sampled data is analyzed deep or light value; And because signal is quite faint after taking a sample by analysis, so need utilize concentration value amplifying circuit 25 amplification detection signals 26 to meet single chip microprocessor 31 receivable scopes.

Central processing portion 3 is to comprise single chip microprocessor 31, quartzy oscillating circuit 32, system's reset circuit 33 and multiple button detecting matrix 34.This single chip microprocessor 31 mainly contains four functions: (1) receives keying signal, and the smell that detecting is given in deep or light value of smell that record is extraneous and selection becomes present execution parameter; (2) the aforementioned detecting data of smell and the parameter of giving of output is to smell checking circuit 22; (3) extracting detects the detection signal 26 that part 2 is produced; (4) export result to display part 4 with encoded signals, to show the deep or light value of present specific scent.Aforementioned crystal oscillation circuit 32 comprises a quartz (controlled) oscillator, and stably provide single chip microprocessor 31 and the required frequency of operation of other circuit, and system's reset circuit 33 is in order to generation system replacement (Reset) signal, make single chip microprocessor 31 be set to original state, 34 man-machine interfaces that the utility model device is provided of multiple button detecting matrix, make the user can see through keyswitch, the detecting of parameter setting being imported single chip microprocessor 31 or oral cavity smell concentration the results are shown on the LCD.

The display part 4 of the utility model oral cavity smell concentration detector is LCD (LCD) and circuit 41 thereof, the coded signal of single chip microprocessor 31 outputs can be shown in this LCD, so can show the concentration of measurement.

Then, be the concrete enforcement circuit diagram of the utility model oral cavity smell concentration detector with reference to shown in Figure 2.Central processing portion 3 mainly is to implement its function by a single chip microprocessor 31, the output interface signal of this single chip microprocessor 31 can drive LCD 41, and the input interface signal receive clock signal, the reset circuit 33 of oscillatory circuit 32 reset signal, key-press matrix 34 switching signal and detect the detection signal 26 of part 2 outputs.The smell checking circuit 22 that detects part 2 receives the voltage of reference voltage generating circuit 13 outputs of being made up of operational amplifier U37C, the sensing that cooperates oral cavity smell synthesis perceptron 21, via the smell separation circuit 23 of operational amplifier U38C, U38D, U38C composition and the detection signal of the little signal of concentration sample circuit 24 acquisitions, the concentration value amplifying circuit 25 that last operational amplifier U35D, U35B form is enlarged into the detection signal of aforementioned little signal detection signal 26 and exports single chip microprocessor 31 to.

After describing preferred embodiment of the present utility model in detail, to be familiar with this technology personage and can clearly to understand, all equivalences of doing according to technical solutions of the utility model are replaced, all should be in the protection domain of technical solutions of the utility model.

In sum, the utlity model has many good characteristics, and solve prior art on the practice with disappearance of using and inconvenience, effective solution is proposed, finish the practical and reliable device, and then reach the value of novel and attached economic benefit, the real application important document that has conformed to utility model patent is so propose patented claim in accordance with the law.

Claims

1. oral cavity smell concentration detector in order to measure odorousness in the oral cavity, is characterized in that:

One power unit produces a reference voltage;

One central processing portion has input interface and output interface;

2. as claim 1 a described oral cavity smell concentration detector, it is characterized in that: wherein aforementioned smell detects part, also comprises a smell checking circuit, a smell separation circuit, a concentration sample circuit and a signal amplification circuit.

3. as claim 2 a described oral cavity smell concentration detector, it is characterized in that: wherein aforementioned central processing portion comprises button detecting matrix, after the signal Processing with input interface, exports the aforementioned display branch to by output interface.

4. as claim 2 a described oral cavity smell concentration detector, it is characterized in that: wherein aforementioned central processing portion comprises button detecting matrix, accepts aforementioned odorousness and sets, and is present execution parameter.