Remote vocational education platform and system based on Internet of Things

Abstract

The present invention discloses a remote vocational education platform and system based on the Internet of Things, including a career judgment module, a course matching module and a qualification verification module, which are used to solve the problem that learners in the remote vocational education platform cannot correctly select vocational education courses. The career judgment module is used to judge the learner's job occupation. The career judgment module sends the official title corresponding to the learner's job occupation to the course matching module. The course matching module receives the learner's official title sent by the career judgment module, and matches the corresponding vocational education courses according to the official title. The qualification certification unit is used to certify the teaching qualifications of the teaching staff's vocational education. The qualification verification module is used to verify the teaching staff whose teaching qualifications are to be verified. The present invention facilitates learners in the remote vocational education platform to correctly select vocational education courses and certifies the teaching qualifications of the teaching staff in the remote vocational education platform.

Description

Technical Field

[0001] The present invention belongs to the field of vocational education and relates to a remote vocational education platform, specifically a remote vocational education platform and system based on the Internet of Things. Background Art

[0002] Vocational education refers to education that enables the educated to acquire the professional knowledge, skills and professional ethics required for a certain profession or production labor, including primary vocational education, secondary vocational education, and higher vocational education (vocational education at the junior college level, vocational education at the undergraduate level, and vocational education at the graduate level). Vocational education and general education are two different types of education and have the same importance. Vocational education is a type of education, not a level of education.

[0003] The existing remote vocational education platform is a remote listening platform. There are vocational education courses with similar names in the education platform. It is difficult for learners to effectively distinguish them and thus cannot choose the correct vocational education courses, resulting in a waste of recharge amount and a lot of time. For this reason, we propose a remote vocational education platform and system based on the Internet of Things. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention aims to provide a remote vocational education platform and system based on the Internet of Things.

[0005] The technical problems to be solved by the present invention are:

[0006] (1) How to help learners in the distance vocational education platform to correctly choose vocational education courses;

[0007] (2) How to certify the teaching qualifications of teaching staff in the distance vocational education platform.

[0008] The purpose of the present invention can be achieved through the following technical solutions:

[0009] The remote vocational education platform and system based on the Internet of Things includes a registration and login module, a data collection module, a career judgment module, a course matching module, a qualification verification module, an intelligent screening module and an education platform;

[0010] The education platform stores a number of official titles and a number of vocational education courses, a number of matching words are set corresponding to the official titles, and a number of matching words of each official title are combined into a corresponding matching set group; each of the official titles is set corresponding to a number of vocational education courses;

[0011] The occupation judgment module receives the personal information of the learner sent by the registration and login module and is used to judge the learner's job occupation;

[0012] The occupation judgment module sends the official professional title corresponding to the learner's job occupation to the course matching module. The course matching module receives the official professional title of the learner sent by the occupation judgment module and matches the appropriate vocational education courses according to the official professional title.

[0013] The course matching module sends the vocational education courses that match the learners to the intelligent screening module.

[0014] Furthermore, the registration and login module is used for teachers and learners to register and log in after entering personal information through a user terminal, and the personal information is sent to the education platform for storage;

[0015] The registration and login module sends the learner's personal information to the career judgment module;

[0016] The user terminal is connected to the education platform for communication, and the user terminal includes a demand receiving and sending unit, an evaluation unit, and a qualification certification unit; the demand receiving and sending unit is used for teaching staff to receive vocational education requests and for learning staff to issue vocational education requests; the evaluation unit is used for teaching staff to evaluate vocational education courses in the education platform and send the evaluation information to the education platform; the qualification certification unit is used to certify the teaching qualifications of teaching staff for vocational education;

[0017] The data collection module is used to collect course information in the remote vocational education platform and send the course information to the education platform.

[0018] Furthermore, the personal information of the learner includes the user's name, age, facial image, education background, job occupation and real-name authenticated mobile phone number; the personal information of the teaching staff includes the user's name, age, facial image, education background, real-name authenticated mobile phone number and teaching information;

[0019] Teaching information includes teaching years, teaching subjects, teaching achievements and teacher qualification level.

[0020] Furthermore, the certification process of the qualification certification unit is as follows:

[0021] Step S1: Acquire the certified teaching staff in the education platform, and record the certified teaching staff as Ju, where u=1, 2, ..., z, where z is a positive integer;

[0022] Step S2: Obtain the teaching subject corresponding to the teaching staff. If the teaching subject matches the vocational education course certified by the teaching staff, execute step S3; if the teaching subject does not match the vocational education course certified by the teaching staff, return to step S1;

[0023] Step S3: Obtain the teaching years corresponding to the teaching staff, and mark the teaching years as NJu;

[0024] Step S4: Obtain the teacher qualification level DJu corresponding to the teaching staff; the teacher qualification level is divided into primary teacher qualification, intermediate teacher qualification, senior teacher qualification and special teacher qualification, and different levels of teacher qualification levels correspond to different preset values. Primary teacher qualification, intermediate teacher qualification, senior teacher qualification and special teacher qualification correspond to preset values ​​X1, X2, X3 and X4 respectively, and X1<X2<X3<X4;

[0025] Step S5: Using formula The certification value RZu of the teaching staff vocational education is calculated; where a1 and a2 are correction coefficients, and the values ​​of a1 and a2 are both greater than zero, the value of α is greater than zero, α is the compensation coefficient, and e is a natural constant;

[0026] Step S6: obtaining two thresholds Y1 and Y2 set by the teaching staff corresponding to the certified vocational education courses, and 0<Y1<Y2;

[0027] Step S7: If RZu<Y1, the authentication fails;

[0028] If Y1≤RZu≤Y2, the certification is preliminarily passed, and the teaching qualifications of the teaching staff are to be verified;

[0029] If Y2<RZu, the authentication is passed;

[0030] The qualification authentication unit sends the teaching staff whose teaching qualifications are to be verified to the qualification verification module; the qualification verification module is used to verify the teaching staff whose teaching qualifications are to be verified;

[0031] Step 1: The qualification verification module sends a verification message to the user terminal of the teaching staff whose teaching qualifications are to be verified, notifying the teaching staff whose teaching qualifications are to be verified to upload the teaching certificate of vocational education through the user terminal;

[0032] Step 2: After uploading the teaching certificate, obtain the certificate image and certificate number corresponding to the teaching certificate;

[0033] Step 3: Compare the uploaded certificate image and certificate number with the certificate image and certificate number stored in the education platform;

[0034] The specific comparison process is as follows:

[0035] Mark the uploaded certificate image and certificate number as AJu and BJu; mark the certificate image and certificate number stored in the education platform as CJu and DJu; if AJu≠CJu or BJu≠DJu, generate a verification failure signal; if AJu=CJu and BJu=DJu, generate a verification success signal;

[0036] Step 4: Generate a verification failure signal and a verification success signal and feed it back to the corresponding user terminal. The teaching staff whose teaching qualifications are to be verified who receives the verification success signal indicates that their teaching qualifications have been verified, and the teaching staff can teach vocational education courses on the education platform.

[0037] Furthermore, the intelligent screening module is used to intelligently screen vocational education courses that meet the needs of learners in the education platform. The intelligent screening steps are as follows:

[0038] Q1: Mark the vocational education courses that meet the requirements of the learners as o, where o = 1, 2, ..., n;

[0039] Q2: Get the number of pushes TCo and views GCo of vocational education courses. If GCo ≥ TCo, use the formula Calculate the actual viewing rate ZGo of the vocational education course and execute step Q3; if GCo<TCo, the vocational education course will not be adopted;

[0040] Q3: Get the favorable comment rate of vocational education courses and mark the favorable comment rate as HPo; get the attendance rate of vocational education courses and mark the attendance rate as TKo;

[0041] Q4: Get the sales price PRo and class duration STo of vocational education courses;

[0042] Q5: Use the formula to calculate the recommended value TJo for vocational education courses. The formula is as follows:

[0043] Wherein d1, d2 and d3 are fixed values ​​of proportional coefficients, and the values ​​of d1, d2 and d3 are all greater than zero;

[0044] Q6: The recommendation values ​​of vocational education courses are arranged in descending order, and the top five vocational education courses are selected and pushed to the user terminals of teaching staff.

[0045] Furthermore, the calculation process of the attendance rate of vocational education courses is as follows:

[0046] a. By viewing the course videos of vocational education courses, the total listening time TSo and the amount of physical activity HDo of each attendee in each vocational education course are obtained;

[0047] b. Obtain the noise decibel value of the vocational education course during the course time, and mark the noise decibel value as Ro;

[0048] c, according to the formula The attendance rate TKo of vocational education courses is obtained. γ and λ are both measurement factors of vocational education courses. c1, c2 and c3 are all at fixed values ​​of proportional coefficients. The values ​​of γ, λ, c1, c2 and c3 are all greater than zero.

[0049] Furthermore, the judgment steps of the occupation judgment module are specifically as follows:

[0050] P1: Obtain several official titles stored in the education platform and mark the official titles as i, i = 1, 2, ..., x;

[0051] P2: Perform a preliminary match between the learner's job occupation and the official title in turn. The official titles after the preliminary match are displayed in descending order according to the matching accuracy. The official titles with matching accuracy exceeding the set threshold are obtained and recorded as preliminary official titles. A number of matching words CYti of several preliminary official titles are obtained to obtain a matching set group Pi = {p11, p12, ..., pxm} for each preliminary official title, t = 1, 2, ..., m, t represents the preliminary official title;

[0052] P3: Work Occupation traverses the matching set Pi of each initial official title, and calculates the ratio between the work occupation and the matching words in the matching set;

[0053] P4: Select matching words whose ratio is infinitely close to one, and determine the official title corresponding to the matching set group where the matching words are located as the official title of the learner's job occupation.

[0054] Compared with the prior art, the present invention has the following beneficial effects:

[0055] 1. The present invention certifies the teaching qualifications of teaching staff for vocational education through a qualification certification unit, compares the teaching subjects with the vocational education courses they certify, collects the teaching years and teacher qualification levels corresponding to the teaching staff, and uses a formula to calculate the certification value of the teaching staff's vocational education. After comparing the certification value of the teaching staff with two thresholds, it is judged that the certification fails, the teaching qualifications of the teaching staff are to be verified, and the certification passes three results. Then, the teaching staff whose teaching qualifications are to be verified are verified through a qualification verification module. The present invention facilitates strict control of the teaching qualifications of teaching staff in the remote vocational education platform;

[0056] 2. The present invention uses a career judgment module to judge the work occupation of learners in the education platform, and initially matches the work occupation of the learner with the official title in turn to obtain the initial official title, and obtains a matching set group for each initial official title based on the initial official title. The work occupation of the learner is again traversed to match the matching set group of each initial official title, and the official title corresponding to the work occupation of the learner is obtained based on the ratio between the work occupation and the matching words in the matching set group. The vocational education courses that match the work occupation of the learner are obtained based on the official title matching, and the best education courses are intelligently screened out from the vocational education courses that match the work occupation of the learner. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0058] Figure 1 It is the overall system block diagram of the present invention. DETAILED DESCRIPTION

[0059] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0060] See also Figure 1 As shown, the remote vocational education platform and system based on the Internet of Things includes a registration and login module, a data collection module, a career judgment module, a course matching module, a qualification verification module, an intelligent screening module and an education platform;

[0061] The registration and login module is used for teachers and learners to register and log in after entering personal information through the user terminal, and send the personal information to the education platform for storage; the personal information of the learner includes the user's name, age, facial image, education, job occupation, real-name authenticated mobile phone number, etc.; the personal information of the teaching staff includes the user's name, age, facial image, education, real-name authenticated mobile phone number, teaching information, etc.;

[0062] Among them, teaching information includes teaching years, teaching subjects, teaching achievements, and teacher qualification level;

[0063] The data collection module is used to collect course information in the remote vocational education platform and send the course information to the education platform;

[0064] The user terminal is connected to the education platform in communication, and the user terminal includes a demand receiving and sending unit, an evaluation unit, and a qualification certification unit; the demand receiving and sending unit is used for teaching staff to receive vocational education requests and for learning staff to issue vocational education requests; the evaluation unit is used for teaching staff to evaluate vocational education courses in the education platform and send the evaluation information to the education platform; the qualification certification unit is used to certify the teaching qualifications of teaching staff for vocational education, and the certification process is as follows:

[0065] Step S1: Acquire the certified teaching staff in the education platform, and record the certified teaching staff as Ju, where u=1, 2, ..., z, where z is a positive integer;

[0066] Step S2: Obtain the teaching subject corresponding to the teaching staff. If the teaching subject matches the vocational education course certified by the teaching staff, execute step S3; if the teaching subject does not match the vocational education course certified by the teaching staff, return to step S1;

[0067] Step S3: Obtain the teaching years corresponding to the teaching staff, and mark the teaching years as NJu;

[0068] Step S4: Obtain the teacher qualification level DJu corresponding to the teaching staff; the teacher qualification level is divided into primary teacher qualification, intermediate teacher qualification, senior teacher qualification and special teacher qualification, and different levels of teacher qualification levels correspond to different preset values. Primary teacher qualification, intermediate teacher qualification, senior teacher qualification and special teacher qualification correspond to preset values ​​X1, X2, X3 and X4 respectively, and X1<X2<X3<X4;

[0069] Step S5: Using formula The certification value RZu of the teaching staff vocational education is calculated; where a1 and a2 are correction coefficients, and the values ​​of a1 and a2 are both greater than zero, the value of α is greater than zero, α is the compensation coefficient, and e is a natural constant;

[0070] Step S6: obtaining two thresholds Y1 and Y2 set by the teaching staff corresponding to the certified vocational education courses, and 0<Y1<Y2;

[0071] Step S7: If RZu<Y1, the authentication fails;

[0072] If Y1≤RZu≤Y2, the certification is preliminarily passed, and the teaching qualifications of the teaching staff are to be verified;

[0073] If Y2<RZu, the authentication is passed;

[0074] The qualification authentication unit sends the teaching staff whose teaching qualifications are to be verified to the qualification verification module; the qualification verification module is used to verify the teaching staff whose teaching qualifications are to be verified;

[0075] Step 1: The qualification verification module sends a verification message to the user terminal of the teaching staff whose teaching qualifications are to be verified, notifying the teaching staff whose teaching qualifications are to be verified to upload the teaching certificate of vocational education through the user terminal;

[0076] Step 2: After uploading the teaching certificate, obtain the certificate image and certificate number corresponding to the teaching certificate;

[0077] Step 3: Compare the uploaded certificate image and certificate number with the certificate image and certificate number stored in the education platform;

[0078] The specific comparison process is as follows:

[0079] Mark the uploaded certificate image and certificate number as AJu and BJu; mark the certificate image and certificate number stored in the education platform as CJu and DJu; if AJu≠CJu or BJu≠DJu, generate a verification failure signal; if AJu=CJu and BJu=DJu, generate a verification success signal;

[0080] Step 4: Generate a verification failure signal and a verification success signal and feed them back to the corresponding user terminal. The teaching staff whose teaching qualification is to be verified and receives the verification success signal indicates that their teaching qualification verification has passed, and the teaching staff can teach vocational education courses on the education platform;

[0081] The education platform stores a number of official titles and a number of vocational education courses, a number of matching words are set corresponding to the official titles, and a number of matching words of each official title are combined into a corresponding matching set group; each of the official titles is set corresponding to a number of vocational education courses;

[0082] The registration and login module sends the learner's personal information to the occupation judgment module; after receiving the learner's personal information sent by the registration and login module, the occupation judgment module is used to judge the learner's job occupation. The judgment steps are as follows:

[0083] P1: Obtain several official titles stored in the education platform and mark the official titles as i, i = 1, 2, ..., x;

[0084] P2: Perform a preliminary match between the learner's job occupation and the official title in turn. The official titles after the preliminary match are displayed in descending order according to the matching accuracy. The official titles with matching accuracy exceeding the set threshold are obtained and recorded as preliminary official titles. A number of matching words CYti of several preliminary official titles are obtained to obtain a matching set group Pi = {p11, p12, ..., pxm} for each preliminary official title, t = 1, 2, ..., m, t represents the preliminary official title;

[0085] P3: Work Occupation traverses the matching set Pi of each initial official title, and calculates the ratio between the work occupation and the matching words in the matching set;

[0086] P4: Select matching words whose ratio is infinitely close to one, and determine the official title corresponding to the matching set group where the matching words are located as the official title of the learner's job occupation;

[0087] The occupation judgment module sends the official professional title corresponding to the learner's job occupation to the course matching module. The course matching module receives the official professional title of the learner sent by the occupation judgment module and matches the appropriate vocational education courses according to the official professional title.

[0088] The course matching module sends the vocational education courses that match the learners to the intelligent screening module; the intelligent screening module is used to intelligently screen the vocational education courses that match the learners in the education platform, and the intelligent screening steps are as follows:

[0089] Q1: Mark the vocational education courses that meet the requirements of the learners as o, where o = 1, 2, ..., n;

[0090] Q2: Get the number of pushes TCo and views GCo of vocational education courses. If GCo ≥ TCo, use the formula Calculate the actual viewing rate ZGo of the vocational education course and execute step Q3; if GCo<TCo, the vocational education course will not be adopted;

[0091] Q3: Get the favorable comment rate of vocational education courses and mark the favorable comment rate as HPo; get the attendance rate of vocational education courses and mark the attendance rate as TKo; the favorable comment rate is obtained by statistics after evaluation by the evaluation unit;

[0092] Q4: Get the sales price PRo and class duration STo of vocational education courses;

[0093] Q5: Use the formula to calculate the recommended value TJo for vocational education courses. The formula is as follows:

[0094] Wherein d1, d2 and d3 are fixed values ​​of proportional coefficients, and the values ​​of d1, d2 and d3 are all greater than zero;

[0095] Q6: The recommended values ​​of vocational education courses are arranged in descending order, and the top five vocational education courses are selected and pushed to the user terminals of teaching staff;

[0096] The specific calculation process of the attendance rate of vocational education courses is as follows:

[0097] 1. By viewing the course videos of vocational education courses, the total listening time TSo and the amount of physical activity HDo of each attendee during the course time of each vocational education course are obtained;

[0098] 2. Obtain the noise decibel value of the vocational education course during the course time, and mark the noise decibel value as Ro;

[0099] 3. According to the formula The attendance rate TKo of vocational education courses is obtained. γ and λ are both measurement factors of vocational education courses. c1, c2 and c3 are all at fixed values ​​of proportional coefficients. The values ​​of γ, λ, c1, c2 and c3 are all greater than zero.

[0100] Based on the IoT remote vocational education platform and system, when working:

[0101] The teaching qualification of the teaching staff in vocational education is certified through the qualification certification unit, and the teaching subjects of the certified teaching staff Ju in the education platform are obtained. If the teaching subjects match the certified vocational education courses, then the corresponding teaching years NJu and teacher qualification level DJu of the teaching staff are obtained, and the formula is used The certification value RZu of the teaching staff's vocational education is calculated, and finally the two thresholds Y1 and Y2 set for the teaching staff's corresponding certified vocational education courses are obtained. After the teaching staff's certification value is compared with the two thresholds, the three results are judged as follows: certification failed, teaching staff's teaching qualifications to be verified, and certification passed;

[0102] The qualification authentication unit sends the teaching staff whose teaching qualifications are to be verified to the qualification verification module, and the teaching staff whose teaching qualifications are to be verified are verified by the qualification verification module. The qualification verification module sends a verification message to the user terminal of the teaching staff whose teaching qualifications are to be verified, and notifies the teaching staff whose teaching qualifications are to be verified to upload the teaching certificate of vocational education through the user terminal. After the teaching certificate is uploaded, the uploaded certificate image and certificate number are compared with the certificate image and certificate number stored in the education platform, so as to generate a verification failure signal and a verification success signal and feed them back to the corresponding user terminal. The teaching staff whose teaching qualifications are to be verified who receives the verification success signal indicates that their teaching qualifications have been verified, and the teaching staff can teach vocational education courses in the education platform;

[0103] The education platform stores several official titles and several vocational education courses, and several matching words are set corresponding to the official titles. The several matching words of each official title are combined into a corresponding matching set group, and at the same time, each of the official titles is set corresponding to several vocational education courses;

[0104] After the learner registers and logs in, the registration and login module sends the learner's personal information to the occupation judgment module. The occupation judgment module judges the learner's work occupation, obtains several official titles i stored in the education platform, and performs preliminary matching of the learner's work occupation with the official title in turn. The official titles after preliminary matching are displayed in descending order of matching accuracy, and the preliminary official titles with matching accuracy exceeding the set threshold are obtained. Then, several matching words CYti of several preliminary official titles are obtained, and the matching set group Pi of each preliminary official title can be obtained. The learner's work occupation traverses the matching set group Pi of each preliminary official title, calculates the ratio between the work occupation and the matching words in the matching set group, selects the matching words with a ratio infinitely close to one, and determines the official title corresponding to the matching set group where the matching word is located as the official title of the learner's work occupation;

[0105] After the learner's job occupation is judged, the job judgment module sends the official job title corresponding to the learner's job occupation to the course matching module. The course matching module receives the learner's official job title sent by the job judgment module and matches the vocational education courses that match the official job title. The vocational education courses that match the learner's job occupation are finally intelligently screened through the course matching module to obtain the push count TCo and viewing count GCo of the vocational education courses. If GCo ≥ TCo, the formula Calculate the actual viewing rate ZGo of vocational education courses, and then obtain the praise rate HPo, listening rate TKo, sales price PRo and listening time STo of vocational education courses, using the formula The recommended value TJo of the vocational education courses is calculated, the recommended values ​​of the vocational education courses are arranged in descending order, and the top five vocational education courses are selected and pushed to the user terminal of the teaching staff.

[0106] The above formulas are all dimensionless and numerical calculations. The formula is a formula for the most recent real situation obtained by collecting a large amount of data and performing software simulation. The preset parameters in the formula are set by technicians in this field according to actual conditions.

[0107] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The remote vocational education platform and system based on the Internet of Things is characterized by: It includes registration and login module, data collection module, career judgment module, course matching module, qualification verification module, intelligent screening module and education platform; The education platform stores a number of official titles and a number of vocational education courses, a number of matching words are set corresponding to the official titles, and a number of matching words of each official title are combined into a corresponding matching set group; each of the official titles is set corresponding to a number of vocational education courses; The occupation judgment module receives the personal information of the learner sent by the registration and login module and is used to judge the learner's job occupation; The occupation judgment module sends the official professional title corresponding to the learner's job occupation to the course matching module. The course matching module receives the official professional title of the learner sent by the occupation judgment module and matches the appropriate vocational education courses according to the official professional title. The data collection module is used to collect course information in the remote vocational education platform and send the course information to the education platform; The course matching module sends the vocational education courses that match the learners to the intelligent screening module; The registration and login module is used for teachers and learners to register and log in after entering personal information through the user terminal, and send the personal information to the education platform for storage; The registration and login module sends the learner's personal information to the career judgment module; The user terminal is connected to the education platform for communication, and the user terminal includes a demand receiving and sending unit, an evaluation unit, and a qualification certification unit; the demand receiving and sending unit is used for teaching staff to receive vocational education requests and for learning staff to issue vocational education requests; the evaluation unit is used for teaching staff to evaluate vocational education courses in the education platform and send the evaluation information to the education platform; the qualification certification unit is used to certify the teaching qualifications of teaching staff for vocational education; The certification process of the qualification certification unit is as follows: Step S1: Acquire the certified teaching staff in the education platform, and record the certified teaching staff as Ju, where u=1, 2, ..., z, where z is a positive integer; Step S2: Obtain the teaching subject corresponding to the teaching staff. If the teaching subject matches the vocational education course certified by the teaching staff, execute step S3; if the teaching subject does not match the vocational education course certified by the teaching staff, return to step S1; Step S3: Obtain the teaching years corresponding to the teaching staff, and mark the teaching years as NJu; Step S4: Obtain the teacher qualification level DJu corresponding to the teaching staff; the teacher qualification level is divided into primary teacher qualification, intermediate teacher qualification, senior teacher qualification and special teacher qualification, and different levels of teacher qualification levels correspond to different preset values. Primary teacher qualification, intermediate teacher qualification, senior teacher qualification and special teacher qualification correspond to preset values ​​X1, X2, X3 and X4 respectively, and X1<X2<X3<X4; Step S5: Using formula The certification value RZu of the teaching staff vocational education is calculated; where a1 and a2 are correction coefficients, and the values ​​of a1 and a2 are both greater than zero, the value of α is greater than zero, α is the compensation coefficient, and e is a natural constant; Step S6: obtaining two thresholds Y1 and Y2 set by the teaching staff corresponding to the certified vocational education courses, and 0<Y1<Y2; Step S7: If RZu<Y1, the authentication fails; If Y1≤RZu≤Y2, the certification is preliminarily passed, and the teaching qualifications of the teaching staff are to be verified; If Y2<RZu, the authentication is passed; The qualification authentication unit sends the teaching staff whose teaching qualifications are to be verified to the qualification verification module; the qualification verification module is used to verify the teaching staff whose teaching qualifications are to be verified; Step 1: The qualification verification module sends a verification message to the user terminal of the teaching staff whose teaching qualifications are to be verified, notifying the teaching staff whose teaching qualifications are to be verified to upload the teaching certificate of vocational education through the user terminal; Step 2: After uploading the teaching certificate, obtain the certificate image and certificate number corresponding to the teaching certificate; Step 3: Compare the uploaded certificate image and certificate number with the certificate image and certificate number stored in the education platform; The specific comparison process is as follows: Mark the uploaded certificate image and certificate number as AJu and BJu; mark the certificate image and certificate number stored in the education platform as CJu and DJu; if AJu≠CJu or BJu≠DJu, generate a verification failure signal; if AJu=CJu and BJu=DJu, generate a verification success signal; Step 4: Generate a verification failure signal and a verification success signal and feed them back to the corresponding user terminal. The teaching staff whose teaching qualification is to be verified and receives the verification success signal indicates that their teaching qualification verification has passed, and the teaching staff can teach vocational education courses on the education platform; The judgment steps of the occupation judgment module are as follows: P1: Obtain several official titles stored in the education platform and mark the official titles as i, i = 1, 2, ..., x; P2: Perform a preliminary match between the learner's job occupation and the official title in turn. The official titles after the preliminary match are displayed in descending order according to the matching accuracy. The official titles with matching accuracy exceeding the set threshold are obtained and recorded as preliminary official titles. A number of matching words CYti of several preliminary official titles are obtained to obtain a matching set group Pi = {p11, p12, ..., pxm} for each preliminary official title, t = 1, 2, ..., m, t represents the preliminary official title; P3: Work Occupation traverses the matching set Pi of each initial official title, and calculates the ratio between the work occupation and the matching words in the matching set; P4: Select matching words whose ratio is infinitely close to one, and determine the official title corresponding to the matching set group where the matching words are located as the official title of the learner's job occupation.

2. The IoT-based remote vocational education platform and system according to claim 1 is characterized in that: The personal information of the learner includes the user's name, age, facial image, education background, job occupation and real-name authenticated mobile phone number; the personal information of the teaching staff includes the user's name, age, facial image, education background, real-name authenticated mobile phone number and teaching information; Teaching information includes teaching years, teaching subjects, teaching achievements and teacher qualification level.

3. The IoT-based remote vocational education platform and system according to claim 1 is characterized in that: The intelligent screening module is used to intelligently screen vocational education courses that meet the needs of learners in the education platform. The intelligent screening steps are as follows: Q1: Mark the vocational education courses that meet the requirements of the learners as o, where o = 1, 2, ..., n; Q2: Get the number of pushes TCo and views GCo of vocational education courses. If GCo ≥ TCo, use the formula Calculate the actual viewing rate ZGo of the vocational education course and execute step Q3; if GCo<TCo, the vocational education course will not be adopted; Q3: Get the favorable comment rate of vocational education courses and mark the favorable comment rate as HPo; get the attendance rate of vocational education courses and mark the attendance rate as TKo; Q4: Get the sales price PRo and class duration STo of vocational education courses; Q5: Use the formula to calculate the recommended value TJo for vocational education courses. The formula is as follows: Wherein d1, d2 and d3 are fixed values ​​of proportional coefficients, and the values ​​of d1, d2 and d3 are all greater than zero; Q6: The recommendation values ​​of vocational education courses are arranged in descending order, and the top five vocational education courses are selected and pushed to the user terminals of teaching staff.

4. The IoT-based remote vocational education platform and system according to claim 3 is characterized in that: The specific calculation process of the attendance rate of vocational education courses is as follows: a. By viewing the course videos of vocational education courses, the total listening time TSo and the amount of physical activity HDo of each attendee in each vocational education course are obtained; b. Obtain the noise decibel value of the vocational education course during the course time, and mark the noise decibel value as Ro; c, according to the formula The attendance rate TKo of vocational education courses is obtained. γ and λ are both measurement factors of vocational education courses. c1, c2 and c3 are all at fixed values ​​of proportional coefficients. The values ​​of γ, λ, c1, c2 and c3 are all greater than zero.

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