CN114680849A - Method for evaluating thermal comfort of indoor personnel based on multi-level specific physiological indexes - Google Patents
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Abstract
The invention discloses a method for evaluating the thermal comfort of indoor personnel based on multi-level specific physiological indexes, which comprises the following steps: 1) acquiring indoor personnel information; 2) measuring to obtain systolic pressure and diastolic pressure; 3) dividing indoor thermal environment into thermal environment types I-III according to the sizes of systolic pressure and diastolic pressure; 4) when the thermal environment type I is adopted, evaluating the thermal comfort of the indoor environment through the heart rate variability parameters; when the indoor thermal environment is a thermal environment type II, the thermal comfort of the indoor environment is evaluated through the temperature change conditions caused by the skin temperature and the sweat; and when the indoor thermal environment is a thermal environment type III, evaluating the thermal comfort of the indoor environment through the sensory nerve conduction velocity parameter. The method does not completely depend on the subjective feeling of the testers, simultaneously avoids the problem of insufficient measurement precision caused by instability of a single physiological parameter under different thermal environments, and greatly improves the overall prediction precision.
Description
Technical Field
The invention relates to the technical field of indoor environment assessment, in particular to a method for assessing the thermal comfort of indoor personnel based on multi-level specific physiological indexes.
Background
The method for accurately evaluating the thermal comfort state of the human body is the premise of designing the indoor environment, and the existing method for evaluating the thermal comfort degree of the human body mainly takes a subjective evaluation method as a main method, namely directly inquiring the thermal sensation and the thermal comfort degree of people in a thermal comfort questionnaire survey mode, obtaining the relation between the thermal sensation and the thermal comfort degree of the people through regression fitting of the thermal sensation and the indoor environment parameters of the people, calculating the comfortable indoor environment parameter range and guiding the design of the indoor environment parameters.
With the development of sensor technology, thermal sensation prediction methods based in part on human physiological parameters are proposed, such as skin temperature, heart rate and the like, but the existing methods for predicting human thermal sensation based on physiological parameters predict human thermal sensation based on simple combination of a few physiological parameters such as skin temperature, heart rate and the like, a method for comprehensively predicting human thermal sensation by combining human deep physiological parameters is lacked, the physiological parameters are single in measurement level and easy to generate errors, and the accuracy of the single physiological parameter under different thermal environment levels is also unstable.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problems to be solved by the invention are as follows: how to provide a method for evaluating the thermal comfort of indoor personnel based on multi-level specific physiological indexes, which does not completely depend on the subjective feeling of testers, simultaneously avoids the problem of insufficient measurement precision caused by instability of a single physiological parameter under different thermal environments, and greatly improves the overall prediction precision.
In order to solve the technical problems, the invention adopts the following technical scheme:
the method for evaluating the thermal comfort of indoor personnel based on the multilevel specific physiological indexes comprises the following steps:
step 1) acquiring indoor personnel information;
step 2) measuring the blood pressure of the indoor personnel to obtain systolic pressure and diastolic pressure;
step 3) dividing the indoor thermal environment into a thermal environment type I, a thermal environment type II and a thermal environment type III according to the systolic pressure and the diastolic pressure obtained by measurement in the step 2);
step 4) when the indoor thermal environment is of a thermal environment type I, evaluating the thermal comfort of the indoor environment through the heart rate variability parameters of indoor personnel;
when the indoor thermal environment is a thermal environment type II, the thermal comfort of the indoor environment is evaluated through the skin temperature of indoor personnel and the temperature change condition caused by sweat;
and when the indoor thermal environment is a thermal environment type III, evaluating the thermal comfort of the indoor environment through the sensory nerve conduction velocity parameter of the indoor personnel.
When the indoor thermal environment is evaluated, the indoor thermal environment is divided into three types according to the measured diastolic pressure and systolic pressure of indoor personnel, and different physiological index parameters of the personnel are adopted for evaluation aiming at different indoor thermal environment types, so that the problem of different prediction precision of a certain single physiological parameter in different thermal environment ranges is solved, the overall prediction precision is greatly improved, meanwhile, the physiological index parameters of the personnel collected by the scheme can better reflect the thermal comfort state of a human body, the evaluation of the indoor thermal comfort by the scheme does not completely depend on the subjective feeling of the personnel through the collection of the parameters, and the evaluation is more objective and accurate.
Preferably, in step 1), the indoor personnel information is acquired to include age a, weight W and height H.
Like this, the personnel of different ages, weight and height are not completely unanimous to the requirement of indoor thermal environment, so this scheme is through gathering above-mentioned information, can provide data support for the evaluation of indoor thermal environment in the follow-up step to make the evaluation of indoor thermal environment more accurate.
Preferably, in the step 2), measuring systolic pressure and diastolic pressure of indoor personnel at intervals of T1 for not less than 2 times, averaging the systolic pressure obtained by each measurement to obtain average systolic pressure (BPs), and averaging the diastolic pressure obtained by each measurement to obtain average diastolic pressure (BPd);
in step 3), the indoor thermal environment is classified into a thermal environment type I, a thermal environment type II, and a thermal environment type III according to the average systolic pressure BPs and the average diastolic pressure BPd in step 2).
Therefore, the diastolic pressure and the systolic pressure of the indoor personnel are measured at specific time intervals, the average diastolic pressure BPd and the average systolic pressure BPs are used as the basis for dividing the indoor thermal environment, and the obtained average diastolic pressure BPd and average systolic pressure BPs can reflect the comfort condition of the indoor personnel in the indoor thermal environment more accurately through a mode of measuring for averaging for multiple times.
Preferably, in the step 3), the average diastolic pressure BPd and the average systolic pressure BPs are judged;
when the average diastolic pressure BPd is greater than a first set value and the average systolic pressure BPs is less than a second set value, the indoor thermal environment is a thermal environment type I;
when the average diastolic pressure BPd is less than the third set value and the average systolic pressure BPs is greater than the fourth set value, the indoor thermal environment is a thermal environment type II;
in other cases, the indoor thermal environment is thermal environment type III.
In this way, the indoor thermal environment is classified according to the magnitude of the average diastolic pressure BPd and the average systolic pressure BPs, so that the evaluation of the indoor thermal environment is more accurate.
Preferably, in step 3), when the mean diastolic pressure BPd > BPd1+ X1 and the mean systolic pressure BPs < BPs1+ Y1, the indoor thermal environment is thermal environment type I;
when the mean diastolic BPd < BPd1-X2 and the mean systolic BPs > BPs1-Y2, the indoor thermal environment is thermal environment type II;
in other cases, the indoor thermal environment is a thermal environment type III;
wherein the content of the first and second substances,
wherein, BPd0 and BPs0 are reference values;
a1, a2, b1, b2, c1 and c2 are all constants less than 1;
x1, Y1, X2, Y2 are constants.
Preferably, in step 4), when the indoor thermal environment is of the thermal environment type I, the heart rate frequency data of the indoor personnel is monitored by using the electrocardiograph, the heart rate variability parameter HRV is obtained by calculating the heart rate of the indoor personnel, and the thermal comfort of the indoor environment is evaluated by using the heart rate variability parameter HRV.
Preferably, in the step 4), when the indoor thermal environment is a thermal environment type I, evaluating the thermal comfort of the indoor environment by using the heart rate variability parameter HRV;
when HRV > HRV0, the room is assessed to be an uncomfortable environment;
when the HRV is less than or equal to HRV0, evaluating the indoor comfortable thermal environment;
wherein HRV0 is a default real value with a value range of 100-200.
Preferably, in the step 4), when the indoor thermal environment is a thermal environment type II, a resistance type dew point hygrometer is used for measuring whether the skin has humidity change caused by sweat, and a thermocouple is used for measuring the skin temperature Tskin the indoor personnel;
when the resistance-type dew point hygrometer measures that the moisture change caused by sweat exists on the skin, the indoor environment is judged to be an uncomfortable environment;
when the resistance type dew point hygrometer does not measure the humidity change caused by sweat on the skin and Tskin is larger than Tskin1, determining that the indoor environment is uncomfortable;
when the resistance-type dew point hygrometer does not measure the humidity change caused by sweat on the skin and the Tskin is less than or equal to Tskin1, determining that the indoor environment is a comfortable hot environment;
wherein, the Tskin1 is preset with a default real value, and Tskin1 is greater than 30 ℃.
Preferably, in step 4), when the indoor thermal environment is a thermal environment type III, applying an electrical stimulus to the indoor person by using the detection electrode to obtain a sensory nerve conduction velocity parameter SCV of the indoor person, and calculating an average thermal sensation value TSV according to the sensory nerve conduction velocity parameter SCV:
TSV＝d*SCV+e
wherein d and e are constants;
when-0.5 < TSV <0.5, the indoor is judged to be a comfortable thermal environment;
when the TSV is more than or equal to 0.5 or the TSV is less than or equal to-0.5, the indoor environment is judged to be uncomfortable.
Preferably, in the step 4), when the indoor thermal environment is a thermal environment type III, a sensory nerve conduction velocity parameter SCV of the indoor person is obtained by using a forward detection method or a reverse detection method;
the forward detection method comprises the following steps: placing a detection electrode at the position of a thumb or a forefinger of an indoor person and applying electric stimulation, and then recording a generated stimulation signal on the palm, the wrist, the elbow or the armpit of the indoor person;
the reverse detection method comprises the following steps: the detection electrode is placed at the palm and wrist position of the indoor person and is used for applying electric stimulation, and then the generated stimulation signals are recorded at the finger end of the indoor person.
Compared with the prior art, the invention has the following advantages:
1. the thermal comfort is evaluated by adopting human physiological indexes, so that the evaluation result does not completely depend on the subjective judgment of a subject any more, and the method is more objective and accurate.
2. The method adopts corresponding physiological indexes to predict under different thermal environments, avoids the problem that the prediction precision of a certain index is different in different ranges, improves the overall prediction precision, and thus, the evaluation method of the invention has wider application range.
Drawings
FIG. 1 is a flow chart of a method for evaluating the thermal comfort of indoor people based on multi-level specific physiological indexes according to the present invention;
FIG. 2 is a graph of the relationship between the average thermal sensation value TSV and the sensory nerve conduction velocity SCV in the first embodiment.
Detailed Description
The invention will be further explained with reference to the drawings and the embodiments.
As shown in the attached figure 1, the method for evaluating the thermal comfort of indoor personnel based on the multi-level specific physiological indexes comprises the following steps:
step 1) acquiring indoor personnel information;
step 2) measuring the blood pressure of the indoor personnel to obtain systolic pressure and diastolic pressure;
step 3) dividing the indoor thermal environment into a thermal environment type I, a thermal environment type II and a thermal environment type III according to the systolic pressure and the diastolic pressure obtained by measurement in the step 2);
step 4) when the indoor thermal environment is of a thermal environment type I, evaluating the thermal comfort of the indoor environment through the heart rate variability parameters of indoor personnel;
when the indoor thermal environment is a thermal environment type II, the thermal comfort of the indoor environment is evaluated through the skin temperature of indoor personnel and the temperature change condition caused by sweat;
and when the indoor thermal environment is a thermal environment type III, evaluating the thermal comfort of the indoor environment through the sensory nerve conduction velocity parameter of the indoor personnel.
When the indoor thermal environment is evaluated, the indoor thermal environment is divided into three types according to the measured diastolic pressure and systolic pressure of indoor personnel, and different physiological index parameters of the personnel are adopted for evaluation aiming at different indoor thermal environment types, so that the problem of different prediction precision of a certain single physiological parameter in different thermal environment ranges is solved, the overall prediction precision is greatly improved, meanwhile, the physiological index parameters of the personnel collected by the scheme can better reflect the thermal comfort state of a human body, the evaluation of the indoor thermal comfort by the scheme does not completely depend on the subjective feeling of the personnel through the collection of the parameters, and the evaluation is more objective and accurate.
In this embodiment, in step 1), the indoor person information includes age a, weight W, and height H.
Like this, the personnel of different ages, weight and height are not completely unanimous to the requirement of indoor thermal environment, so this scheme is through gathering above-mentioned information, can provide data support for the evaluation of indoor thermal environment in the follow-up step to make the evaluation of indoor thermal environment more accurate.
In this embodiment, in step 2), measuring systolic pressure and diastolic pressure every T1 time for indoor personnel, the number of times of measurement is not less than 2, averaging the systolic pressure obtained from each measurement to obtain average systolic pressure BPs, and averaging the diastolic pressure obtained from each measurement to obtain average diastolic pressure BPd;
in step 3), the indoor thermal environment is classified into a thermal environment type I, a thermal environment type II, and a thermal environment type III according to the average systolic pressure BPs and the average diastolic pressure BPd in step 2).
Therefore, the diastolic pressure and the systolic pressure of the indoor personnel are measured at specific time intervals, the average diastolic pressure BPd and the average systolic pressure BPs are used as the basis for dividing the indoor thermal environment, and the obtained average diastolic pressure BPd and average systolic pressure BPs can reflect the comfort condition of the indoor personnel in the indoor thermal environment more accurately through a mode of measuring for averaging for multiple times.
In this embodiment, in step 3), the magnitudes of the mean diastolic pressure BPd and the mean systolic pressure BPs are determined;
when the average diastolic pressure BPd is greater than a first set value and the average systolic pressure BPs is less than a second set value, the indoor thermal environment is a thermal environment type I;
when the average diastolic pressure BPd is less than the third set value and the average systolic pressure BPs is greater than the fourth set value, the indoor thermal environment is a thermal environment type II;
in other cases, the indoor thermal environment is thermal environment type III.
In this way, the indoor thermal environment is classified according to the magnitude of the average diastolic pressure BPd and the average systolic pressure BPs, so that the evaluation of the indoor thermal environment is more accurate.
In the present embodiment, in step 3), when the mean diastolic pressure BPd > BPd1+ X1 and the mean systolic pressure BPs < BPs1+ Y1, the indoor thermal environment is thermal environment type I;
when the mean diastolic BPd < BPd1-X2 and the mean systolic BPs > BPs1-Y2, the indoor thermal environment is thermal environment type II;
in other cases, the indoor thermal environment is a thermal environment type III;
wherein the content of the first and second substances,
wherein, BPd0 and BPs0 are reference values;
a1, a2, b1, b2, c1 and c2 are all constants less than 1;
x1, Y1, X2 and Y2 are constants.
In this embodiment, in step 4), when the indoor thermal environment is of a thermal environment type I, monitoring heartbeat frequency data of indoor personnel by using an electrocardiograph, calculating the heartbeat frequency of the indoor personnel to obtain a heart rate variability parameter HRV, and evaluating the thermal comfort of the indoor environment by using the heart rate variability parameter HRV; specifically, after the heart rate data of indoor personnel is monitored by an electrocardiograph, an electrocardio analog signal is input into a PowerLab data acquisition system, and then an HRV analysis module is used for analyzing and calculating the HRV frequency.
In the embodiment, in step 4), when the indoor thermal environment is a thermal environment type I, evaluating the thermal comfort of the indoor environment by using the heart rate variability parameter HRV;
when HRV > HRV0, the room is assessed to be an uncomfortable environment;
when the HRV is less than or equal to HRV0, evaluating the indoor comfortable thermal environment;
wherein, HRV0 is a default real value with a value range of 100-200.
In this embodiment, in step 4), when the indoor thermal environment is a thermal environment type II, a resistance-type dew-point hygrometer is used to measure whether there is a humidity change caused by sweat on the skin, and a thermocouple is used to measure the skin temperature Tskin of indoor personnel; specifically, when the skin temperature Tskin of indoor personnel is measured, the skin of multiple parts of a human body is tested by using a copper-constantan thermocouple, and the average skin temperature of the human body is obtained by weighting and summing;
when the resistance-type dew point hygrometer measures that the skin has the humidity change caused by sweat, the indoor environment is judged to be uncomfortable;
when the resistance-type dew point hygrometer does not measure the humidity change caused by sweat on the skin and Tskin is greater than Tskin1, the indoor environment is determined to be an uncomfortable environment;
when the resistance-type dew point hygrometer does not measure the humidity change caused by sweat on the skin and the Tskin is less than or equal to Tskin1, determining that the indoor environment is a comfortable hot environment;
wherein, the Tskin1 is preset with a default real value, and Tskin1 is greater than 30 ℃.
In this embodiment, in step 4), when the indoor thermal environment is of the thermal environment type III, applying electrical stimulation to the indoor person by using the detection electrode to obtain a sensory nerve conduction velocity parameter SCV of the indoor person, and calculating an average thermal sensation value TSV according to the sensory nerve conduction velocity parameter SCV:
TSV＝d*SCV+e
wherein d and e are constants;
when-0.5 < TSV <0.5, the indoor is judged to be a comfortable thermal environment;
and when the TSV is more than or equal to 0.5 or the TSV is less than or equal to-0.5, judging that the indoor environment is uncomfortable.
In this embodiment, in step 4), when the indoor thermal environment is a thermal environment type III, a sensory nerve conduction velocity parameter SCV of an indoor person is obtained by using a forward detection method or a reverse detection method;
the forward detection method comprises the following steps: placing a detection electrode at the position of a thumb or a forefinger of an indoor person and applying electric stimulation, and then recording a generated stimulation signal on the palm, the wrist, the elbow or the armpit of the indoor person;
the reverse detection method comprises the following steps: placing a detection electrode at the palm and wrist position of an indoor person, applying electrical stimulation, and recording a generated stimulation signal at the finger end of the indoor person;
compared with the prior art, the invention has the following advantages: the thermal comfort is evaluated by adopting human physiological indexes, so that the evaluation result does not completely depend on the subjective judgment of a subject any more, and the method is more objective and accurate. The method adopts corresponding physiological indexes to predict under different thermal environments, avoids the problem that the prediction precision of a certain index is different in different ranges, improves the overall prediction precision, and thus, the evaluation method of the invention has wider application range.
The first embodiment is as follows: in the following, a specific embodiment is described as an example:
step 1) inputting user information, wherein the user information comprises the age of 24 years, the height of 178cm and the weight of 75 kg;
step 2) measuring the blood pressure of indoor personnel, wherein the diastolic pressure BPd is 80mmHg, and the systolic pressure BPs is 120 mmHg;
step 3), setting BPd0 to 75mmHg and BPs0 to 115 mmHg; a is 0.4; b is 0.02; c is 0.1, X1 is 3, Y1 is 5, X2 is 3, and Y2 is 5;
then BMI 23.7, BPd 80 BPd1+ X1 76; BPs 120 BPs1+ Y1 117
Judging that the indoor environment belongs to a thermal environment type III;
step 4), judging the average thermal sensation value TSV by using the SCV index, and setting d to be 0.065 as shown in the attached figure 2; when the value of e is 3.149, the value of e is,
the method comprises the steps of adopting a reverse method for detection, placing a stimulating electrode at the position of the palm and wrist, stimulating the median nerve above the crease line of the wrist generally between the long metacarpal tendon and the flexor carpi radialis tendon, recording stimulating signals on the thumb, the index finger or the middle finger by using a ring electrode, measuring the SCV value to be 50m/s, and according to the calculation formula of the average heat sensation value, wherein the TSV is 0.065, 50-3.149 is 0.101;
-0.5< TSV 0.101<0.5, which can be judged as a comfortable thermal environment.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.
Claims (10)
1. The method for evaluating the thermal comfort of indoor personnel based on the multilevel specific physiological indexes is characterized by comprising the following steps of:
step 1) acquiring indoor personnel information;
step 2) measuring the blood pressure of the indoor personnel to obtain systolic pressure and diastolic pressure;
step 3) dividing the indoor thermal environment into a thermal environment type I, a thermal environment type II and a thermal environment type III according to the systolic pressure and the diastolic pressure obtained by measurement in the step 2);
step 4) when the indoor thermal environment is of a thermal environment type I, evaluating the thermal comfort of the indoor environment through the heart rate variability parameters of indoor personnel;
when the indoor thermal environment is a thermal environment type II, the thermal comfort of the indoor environment is evaluated through the skin temperature of indoor personnel and the temperature change condition caused by sweat;
and when the indoor thermal environment is a thermal environment type III, evaluating the thermal comfort of the indoor environment through the sensory nerve conduction velocity parameter of the indoor personnel.
2. The method for evaluating the thermal comfort of the indoor personnel based on the multilevel specific physiological indexes as claimed in claim 1, wherein in the step 1), the indoor personnel information is obtained to comprise age A, weight W and height H.
3. The method for evaluating the thermal comfort of the indoor personnel based on the multilevel specific physiological indexes as claimed in claim 1, wherein in the step 2), the systolic pressure and the diastolic pressure are measured every T1 time for the indoor personnel, the measurement times are not less than 2, the systolic pressure obtained by each measurement is averaged to obtain the average systolic pressure (BPs), and the diastolic pressure obtained by each measurement is averaged to obtain the average diastolic pressure (BPd);
in step 3), the indoor thermal environment is classified into a thermal environment type I, a thermal environment type II, and a thermal environment type III according to the average systolic pressure BPs and the average diastolic pressure BPd in step 2).
4. The method for evaluating the thermal comfort of indoor people based on multi-level specific physiological indexes as claimed in claim 3, wherein in the step 3), the average diastolic pressure BPd and the average systolic pressure BPs are judged;
when the average diastolic pressure BPd is greater than a first set value and the average systolic pressure BPs is less than a second set value, the indoor thermal environment is a thermal environment type I;
when the average diastolic pressure BPd is less than the third set value and the average systolic pressure BPs is greater than the fourth set value, the indoor thermal environment is a thermal environment type II;
in other cases, the indoor thermal environment is thermal environment type III.
5. The method for assessing the thermal comfort of an indoor person based on multiple levels of specific physiological indicators as claimed in claim 4, wherein in the step 3), when the average diastolic BPd > BPd1+ X1 and the average systolic BPs < BPs1+ Y1, the indoor thermal environment is thermal environment type I;
when the mean diastolic BPd < BPd1-X2 and the mean systolic BPs > BPs1-Y2, the indoor thermal environment is thermal environment type II;
in other cases, the indoor thermal environment is a thermal environment type III;
wherein the content of the first and second substances,
wherein, BPd0 and BPs0 are reference values;
a1, a2, b1, b2, c1 and c2 are all constants less than 1;
x1, Y1, X2 and Y2 are constants.
6. The method for evaluating the thermal comfort of the indoor personnel based on the multilevel specific physiological indexes as claimed in claim 1, wherein in the step 4), when the indoor thermal environment is of a thermal environment type I, the heart rate data of the indoor personnel is monitored by using an electrocardiograph, the heart rate variability parameter HRV is obtained by calculating the heart rate of the indoor personnel, and the thermal comfort of the indoor environment is evaluated by using the heart rate variability parameter HRV.
7. The method for evaluating the thermal comfort of the indoor personnel based on the multilevel specific physiological indexes as claimed in claim 6, wherein in the step 4), when the indoor thermal environment is a thermal environment type I, the thermal comfort of the indoor environment is evaluated by using a Heart Rate Variability (HRV) parameter;
when HRV > HRV0, the room is assessed to be an uncomfortable environment;
when the HRV is less than or equal to HRV0, evaluating the indoor comfortable thermal environment;
wherein, HRV0 is a default real value with a value range of 100-200.
8. The method for evaluating the thermal comfort of the indoor personnel based on the multilevel specific physiological indexes is characterized in that in the step 4), when the indoor thermal environment is a thermal environment type II, a resistance type dew point hygrometer is used for measuring whether the skin has a humidity change caused by sweat, and a thermocouple is used for measuring the skin temperature Tskin of the indoor personnel;
when the resistance-type dew point hygrometer measures that the skin has the humidity change caused by sweat, the indoor environment is judged to be uncomfortable;
when the resistance-type dew point hygrometer does not measure the humidity change caused by sweat on the skin and Tskin is greater than Tskin1, the indoor environment is determined to be an uncomfortable environment;
when the resistance-type dew point hygrometer does not measure the humidity change caused by sweat on the skin and the Tskin is less than or equal to Tskin1, determining that the indoor environment is a comfortable hot environment;
wherein, Tskin1 is preset with a default real value, and Tskin1 is greater than 30 ℃.
9. The method for evaluating the thermal comfort of the indoor people based on the multi-level specific physiological indexes as claimed in claim 1, wherein in the step 4), when the indoor thermal environment is a thermal environment type III, the sensing electrode is used to apply the electrical stimulation to the indoor people to obtain the sensory nerve conduction velocity parameter SCV of the indoor people, and the average thermal sensation value TSV is calculated according to the sensory nerve conduction velocity parameter SCV:
TSV＝d*SCV+e
wherein d and e are constants;
when-0.5 < TSV <0.5, the indoor is judged to be a comfortable thermal environment;
and when the TSV is more than or equal to 0.5 or the TSV is less than or equal to-0.5, judging that the indoor environment is uncomfortable.
10. The method for evaluating the thermal comfort of the indoor personnel based on the multilevel specific physiological index as claimed in claim 9, wherein in the step 4), when the indoor thermal environment is a thermal environment type III, a sensory nerve conduction velocity parameter SCV of the indoor personnel is obtained by adopting a forward detection method or a reverse detection method;
the forward detection method comprises the following steps: placing a detection electrode at the position of a thumb or a forefinger of an indoor person and applying electric stimulation, and then recording a generated stimulation signal on the palm, the wrist, the elbow or the armpit of the indoor person;
the reverse detection method comprises the following steps: the detection electrode is placed at the palm and wrist position of the indoor person and is used for applying electric stimulation, and then the generated stimulation signals are recorded at the finger end of the indoor person.
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