Mixture detection method and device

1. A mixture detection method, comprising:

performing measurement spectrum line collection on a mixture consisting of different kinds of substances to identify the kinds of the substances in the mixture, wherein a solvent of the mixture is a first calibration substance;

selecting a characteristic peak of a measurement spectrum line of each kind of substance according to the kinds of the substances, and obtaining an intensity proportion of the characteristic peak of each kind of substance;

querying a relative activity database according to the kinds of the substances to obtain relative activity corresponding to each kind of substance, wherein the relative activity database comprises the relative activity L of at least one kind of standard sample substance, wherein

L

=

C

⁢

∑

i

=

0

n

⁢

L

⁡

(

i

)

/

n

,

L(i)=I(i)/(T*W), and C is a constant; and when the first calibration substance is mixed with the standard sample substance according to a first predetermined proportion, T represents an integration time when the characteristic peak of the measurement spectrum line of the standard sample substance reaches an intensity value I(i), W represents an excitation intensity of a signal source of the measurement spectrum line, and n represents collection times of the intensity value of the measurement spectrum line of the standard sample substance; and

determining the proportion contents of the different kinds of substances contained in the mixture according to the intensity proportion of the characteristic peak of each kind of substance and a quotient of the relative activities.

2. The method according to claim 1 , further comprising:

when the first calibration substance and the standard sample substance are mixed according to a first predetermined proportion, setting the excitation intensity W of the signal source, and setting the integration time T;

obtaining the relative activity L of the standard sample substance, when the characteristic peak of the measurement spectrum line of the standard sample substance reaches the intensity value I(i); and

adding the relative activity L of at least one standard sample substance to the relative activity database.

3. The method according to claim 1 , further comprising:

when the first calibration substance and the standard sample substance are mixed according to a second predetermined proportion, setting the excitation intensity W of the signal source, and setting the integration time T;

obtaining the relative activity

L

1

=

∑

i

=

0

n

⁢

L

1

⁡

(

i

)

/

n

,

L 1 (i)=I 1 (i)/(T*W) of the first calibration substance, when the characteristic peak of the measurement spectrum line of the first calibration substance reaches the intensity value I 1 (i); and the relative activity

L

2

=

∑

i

=

0

n

⁢

L

2

⁡

(

i

)

/

n

,

L 2 (i)=I 2 (i)/(T*W) of the first calibration substance, when the characteristic peak of the measurement spectrum line of a second calibration substance reaches the intensity value I 2 (i); and

calculating the constant C=L 1 \L 2 .

4. The method according to claim 1 , wherein the standard sample substance is mixed with the first calibration substance in equal proportions.

5. The method according to claim 1 , wherein the measurement spectrum line comprises at least one of the following: Raman spectrum, infrared spectrum, laser induced breakdown spectrum LIBS, mass spectrum, chromatography, and ionic migration spectrum.

6. A mixture detection device, comprising: a memory, an interface and a processor; the memory and a communication interface are coupled to the processor; the memory is configured to store computer executable instructions, the interface is configured for data transmission of the mixture detection device and an external device, and the processor is configured to execute the computer executable instructions to control an execution of a mixture detection method comprising:

performing measurement spectrum line collection on a mixture consisting of different kinds of substances to identify the kinds of the substances in the mixture, wherein a solvent of the mixture is a first calibration substance;

selecting a characteristic peak of a measurement spectrum line of each kind of substance according to the kinds of the substances, and obtaining an intensity proportion of the characteristic peak of each kind of substance;

querying a relative activity database according to the kinds of the substances to obtain relative activity corresponding to each kind of substance, wherein the relative activity database comprises the relative activity L of at least one kind of standard sample substance, wherein

L

=

C

⁢

∑

i

=

0

n

⁢

L

⁡

(

i

)

/

n

,

L(i)=I(i)/(T*W), and C is a constant; and when the first calibration substance is mixed with the standard sample substance according to a first predetermined proportion, T represents an integration time when the characteristic peak of the measurement spectrum line of the standard sample substance reaches an intensity value I(i), W represents an excitation intensity of a signal source of the measurement spectrum line, and n represents collection times of the intensity value of the measurement spectrum line of the standard sample substance; and

determining the proportion contents of the different kinds of substances contained in the mixture according to the intensity proportion of the characteristic peak of each kind of substance and a quotient of the relative activities.

7. The mixture detection device according to claim 6 , wherein the processor is further configured to execute the computer executable instructions to implement the following steps:

when the first calibration substance and the standard sample substance are mixed according to a first predetermined proportion, setting the excitation intensity W of the signal source, and setting the integration time T;

obtaining the relative activity L of the standard sample substance, when the characteristic peak of the measurement spectrum line of the standard sample substance reaches the intensity value I(i); and

adding the relative activity L of at least one standard sample substance to the relative activity database.

8. The mixture detection device according to claim 6 , wherein the processor is further configured to execute the computer executable instructions to implement the following steps:

when the first calibration substance and the standard sample substance are mixed according to a second predetermined proportion, setting the excitation intensity W of the signal source, and setting the integration time T;

obtaining the relative activity

L

1

=

∑

i

=

0

n

⁢

L

1

⁡

(

i

)

/

n

,

L 1 (i)=I 1 (i)/(T*W) of the first calibration substance, when the characteristic peak of the measurement spectrum line of the first calibration substance reaches the intensity value I 1 (i); and the relative activity

L

2

=

∑

i

=

0

n

⁢

L

2

⁡

(

i

)

/

n

,

L 2 (i)=I 2 (i)/(T*W) of the first calibration substance, when the characteristic peak of the measurement spectrum line of a second calibration substance reaches the intensity value I 2 (i); and

calculating the constant C=L 1 \L 2 .

9. A computer readable storage medium storing one or more programs, wherein the one or more programs comprise instructions, and when being executed by a computer the instructions cause the computer to execute a mixture detection method comprising:

performing measurement spectrum line collection on a mixture consisting of different kinds of substances to identify the kinds of the substances in the mixture, wherein a solvent of the mixture is a first calibration substance;

selecting a characteristic peak of a measurement spectrum line of each kind of substance according to the kinds of the substances, and obtaining an intensity proportion of the characteristic peak of each kind of substance;

querying a relative activity database according to the kinds of the substances to obtain relative activity corresponding to each kind of substance, wherein the relative activity database comprises the relative activity L of at least one kind of standard sample substance, wherein

L

=

C

⁢

∑

i

=

0

n

⁢

L

⁡

(

i

)

/

n

,

L(i)=I(i)/(T*W), and C is a constant; and when the first calibration substance is mixed with the standard sample substance according to a first predetermined proportion, T represents an integration time when the characteristic peak of the measurement spectrum line of the standard sample substance reaches an intensity value I(i), W represents an excitation intensity of a signal source of the measurement spectrum line, and n represents collection times of the intensity value of the measurement spectrum line of the standard sample substance; and

determining the proportion contents of the different kinds of substances contained in the mixture according to the intensity proportion of the characteristic peak of each kind of substance and a quotient of the relative activities.

10. The computer readable storage medium according to claim 9 , wherein when being executed by the computer the instructions further cause the computer to implement the following steps:

when the first calibration substance and the standard sample substance are mixed according to a first predetermined proportion, setting the excitation intensity W of the signal source, and setting the integration time T;

obtaining the relative activity L of the standard sample substance, when the characteristic peak of the measurement spectrum line of the standard sample substance reaches the intensity value I(i); and

adding the relative activity L of at least one standard sample substance to the relative activity database.