CN113256455A - Informatization laboratory evaluation and teaching system - Google Patents
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Abstract
The invention provides an informatization laboratory examination system, which relates to the field of informatization examinations; the laboratory examination system includes: the management terminal is used for adjusting experimental equipment in the laboratory and outputting examination seat information; the invigilating terminal is used for confirming examination seat information and carrying out examination operation, acquiring an operation image corresponding to an examinee, outputting the operation image, storing the operation image and providing the operation image for a user to read; the evaluation terminal receives the operation images, scores the operation images, arbitrates the operation images when the scores are different, and outputs examination data corresponding to examinees; and the analysis terminal receives the test data, analyzes the test data and outputs an analysis result. The invention has the beneficial effects that: the invention solves the problems that social resources are consumed in the related technology, the examination process cannot be traced, the examination score has unfairness and the like, and provides the informatization laboratory examination system, which saves manpower and social resources, improves the examination score fairness and improves the traceability of the examination result.
Description
Technical Field
The invention relates to the field of informatization examination and teaching, in particular to an informatization laboratory evaluation and teaching system.
Background
Along with the development of the country, the education department pays more and more attention to the establishment of advanced, efficient and practical laboratory resources, the laboratory operation examinations are required to be carried out in various physical, chemical and professional practice examinations and other examinations, along with the increase of the laboratory operation examinations, the examination time and examination room arrangement of examinee examination of different specialties are required to be carried out by the examination administration department, and the operation specifications and the operation results of students in the examinations are recorded and scored in real time by calling different numbers of teachers or invigilators, so that different laboratory operation examinations are required to be scored by the invigilators or professional teachers of related specialties. In addition, as the experimental operation examinations are brought into other high-interest examinations such as middle examinations and the like, schools and teachers are required to actively participate in experimental teaching activities, in the teacher demonstration experiments and student grouping experiment activities of daily experimental teaching, the seat arrangement of a laboratory causes that students in the back row cannot see the demonstration experiments of the teachers clearly, and the students often only can see the demonstration experiments of the teachers once; meanwhile, one teacher needs to manage the experiment operation process of dozens of students.
In the prior art, resources of a laboratory are limited, the examination room utilization rate is insufficient when the examination room is artificially arranged, invigilation and scoring need the professional, a large amount of manpower and social resources can be consumed, the examination room is invigilated and scored in real time on site, scores after examination are issued, when students or parents challenge scores, the students or parents cannot provide bases, the experimental examination is subjective scoring of related invigilates, unfairness exists, the experimental ability of the students cannot be truly reflected, the examination process resources are lost due to the examination on site, and the problems that the examination process cannot be traced back in the later period and the like can be solved. And in daily teaching process, the department of responsible for experimental education for because lack corresponding experimental process record and experimental data record and analysis for experimental teaching can't further promote experimental teaching level according to the evaluation of experiment consequently, has the teacher to demonstrate the problem that the experiment flows in form and teaching effect and is difficult to the aassessment.
Disclosure of Invention
The invention provides a technical scheme of an informatization laboratory examination and teaching system, and aims to effectively improve and even solve the problems of consumption of manpower, resource loss in an examination process, incapability of tracing in a later period, errors of subjective evaluation, and difficulty in evaluation of the form of demonstration experiments of teachers and the effect of experimental teaching, so that the benefits of operation examination and teaching of experiments are improved.
The invention provides an informatization laboratory evaluation and teaching system which is applied to two scenes of examination and teaching. The system comprises an information laboratory examination and teaching system, a management center module, a monitoring center module and a monitoring center module, wherein the information laboratory examination and teaching process is controlled by the management center module, and the management center module is pre-stored with examination and teaching data;
the informatization laboratory evaluation and teaching system comprises: the system comprises a management center module, a teacher management module, a student experiment module, an evaluation module and an analysis module, wherein the management center module manages the teacher management module and the student experiment module and is used for receiving and storing data of the teacher management module and the student experiment module;
in an examination scene, the teacher management module is further used for receiving the examination information and managing and controlling an examination process of the experimental equipment in the laboratory; in a teaching scene, the teacher management module is further used for receiving the teaching information and managing and controlling the teaching process of the experimental equipment in the laboratory;
the student experiment module is used for performing examination or teaching operation, acquiring the corresponding operation data, outputting the operation data, storing the operation data and allowing a user to read the operation data;
the evaluation module receives the examination data and scores the examination data in an examination scene, arbitrates the evaluation data when the scores are different, and outputs the examination data corresponding to the examinees; in a teaching scene, receiving the teaching data and performing comment;
and the analysis module receives the examination or teaching data, performs big data analysis on the examination or teaching data and outputs an analysis result.
Furthermore, the information laboratory examination and teaching system is used in an examination scene, wherein the examination information comprises examinee information, teacher information, administrator information, examination question information, examination point information and examination session information; in a teaching scene, the teaching information comprises student information, teacher information, administrator information, experiment subject information, class information and class time information;
furthermore, in the informatization laboratory examination and evaluation and teaching system, the student experiment module is used for confirming the examination information and carrying out the examination operation; the acquisition operation sub-module of the student experiment module is used for acquiring the operation video of the examinee in the experiment process and outputting the operation video;
the teacher management module is used for outputting instructions and processes according to the examination or teaching information, and receiving and outputting the operation data output by the student experiment module;
furthermore, in the informatization laboratory examination and evaluation and teaching system, in an examination scene, an examination paper marking module and an arbitration module are arranged in the evaluation module; in the teaching scene, a commenting module is arranged;
the examination paper marking module is used for receiving the operation data, grading and outputting the examination data;
the arbitration module is used for carrying out arbitration when the scores in the scoring module are different, and outputting the test data after the arbitration.
Furthermore, the information laboratory appraisal and teaching system is characterized in that the management center module is further used for issuing the examination question information, and a laboratory teacher for preparing an instrument can set the acquisition angle of the acquisition operation sub-module and set corresponding experimental device (consumable) materials according to the examination question information and the examination seat information.
Further, this information-based laboratory appraisal and teaching system, wherein, gather operation submodule and include and gather the camera, the operating data includes the operation video.
Further, the information laboratory examination and evaluation and teaching system is characterized in that the acquisition operation sub-module and the examination operation sub-module are integrated, and the acquisition cameras are a first acquisition camera and a second acquisition camera; the first acquisition camera and the second acquisition camera are independently controlled by the examination operation sub-module and synchronously record under the control of the examination operation sub-module.
Furthermore, the informatization laboratory appraisal and teaching system is characterized in that the student experiment module also comprises a system for acquiring the operation data through external digital equipment; the external digital equipment comprises an electronic eyepiece; the electronic eyepiece is connected with an electronic microscope, and the operation data comprises a microscopic image of the electronic microscope. In addition, the device can be externally connected with a digital sensor to obtain experimental data.
Furthermore, the informatization laboratory examination and teaching system is characterized in that an arbitration mechanism is preset in the arbitration module and is used for starting the arbitration mechanism when scores in the scoring module are different and outputting the examination data.
Further, the system for the informatization laboratory examination and teaching is characterized in that the examination reading module is preset with correct experiment steps corresponding to the examination and examination values corresponding to the correct experiment steps, and the examination reading module is used for comparing the operation images with the correct experiment steps to obtain the examination values corresponding to the operation images and outputting the examination data.
Further, the informatization laboratory evaluation and teaching system is characterized in that the trained AI algorithm model can realize intelligent evaluation.
The informatization laboratory evaluation and teaching system provided by the invention has the following beneficial effects:
1) the manpower and social resources are saved;
2) the fairness of examination grading is improved;
3) the traceability of the examination result is improved;
4) provides a large amount of research data for experimental teaching research.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention, and are incorporated in and constitute a part of this application, in which:
FIG. 1 is a block diagram of a system for informatization laboratory evaluation and education in accordance with a preferred embodiment of the present invention;
FIG. 2 is a connection block diagram of student experiment modules in the preferred embodiment of the present invention;
FIG. 3 is a block diagram of the evaluation module connections in the preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
In the prior art, manpower and social resources are consumed, and the examination process cannot be traced, so that teaching and research data is lack, subjective judgment is provided for scoring, and examination fairness is not facilitated.
Therefore, the invention discloses an informatization laboratory evaluation and teaching system to solve the problems in the prior art.
In this embodiment, an informatization laboratory evaluation and teaching system is provided, which is applied to informatization examination or teaching of the operation of an examiner on experimental equipment in a laboratory, as shown in fig. 1.
The informatization laboratory appraisal and teaching system comprises: the system comprises a management center module 1, a teacher management module 2, a student experiment module 3, an evaluation module 4 and an analysis module 5, wherein the management center module 1 is respectively connected with the teacher management module 2, the student experiment module 3, the evaluation module 4 and the analysis module 5, and the management center module 1 is pre-stored with information of each examination or teaching participant and examination and teaching information and is used for managing and storing data of the teacher management module 2, the student experiment module 3, the evaluation module 4 and the analysis module 5;
the teacher management module 2 is also used for receiving data of examination and teaching, adjusting experimental equipment in a laboratory and outputting examination seat information corresponding to examinees;
the student experiment module 3 is used for confirming examination seat information and performing examination operation, acquiring an operation image corresponding to an examinee, outputting the operation image, storing the operation image and providing the operation image for a user to read; in a teaching scene, acquiring an operation image corresponding to a student in a class, outputting the operation image, and storing and reading the operation image by a user;
the evaluation module 4 is used for receiving the operation images, grading the operation images, arbitrating when the grading is different, and outputting examination data corresponding to the examinees;
and the analysis module 5 is used for receiving the examination or teaching data, analyzing the examination or teaching data and outputting an analysis result.
Specifically, in this embodiment, the management center module 1 is a city level management center module, a district level management center module, and a school level management center module, where the city level management center module is equipped with a city level server, and the school level management center module is equipped with a school server.
Specifically, in the present embodiment, the laboratory evaluations include physical examinations, chemical examinations, and biological examinations.
Specifically, in this embodiment, the city level management center module of the management center module 1 includes the following settings:
adding tests: the examination starting time, the examination ending time, the examination name, the seat number and the examination type;
examination paper marking management: the number of the people for reading each test paper, the arbitration difference, the arbitration mechanism and the reading place are set;
arranging examinees: adding examinees and selecting the examination information of schools needing arrangement.
Specifically, in this embodiment, the examination information is confirmed as student information confirmation, including student signing and face recognition, and examination operations are performed to check examination questions, answer sheets, and advance examination paper delivery.
Specifically, in this embodiment, the analysis module 5, depending on a big data analysis means, may perform comparison of examination situations of examinees at each class in the school, comparison of examination situations of each class, comparison of examination situations of each person in each class, comparison of examination situations of each district, comparison of examination situations of each school, and comparison of examination situations of each person in the city (province or county) after scores of the examinees are scored.
In a preferred embodiment of the present invention, the participant information includes examinee information, teacher information, and administrator information, and the examination information includes examination question information and examination point information.
Specifically, in this embodiment, the management center module 1 further includes the following settings:
and (3) examinee information: selecting an examinee information adding form, wherein the adding form can be single adding or batch adding or adding according to schools;
teacher information: selecting teacher personnel for each examination and setting the number of the teacher personnel;
administrator information: selecting managers of each examination and setting the number of the managers;
examination question information: adding test paper information, evaluating point management and seat management;
examination point information: examination point name setting, seat number setting, interval time setting of each field and equipment classroom setting.
Specifically, in this embodiment, the administrator is a city level administrator, a district level administrator, or a school level administrator.
Specifically, in this embodiment, the teacher personnel include a proctor and a paper reader.
Specifically, in this embodiment, the school management center module of the management center module 1 includes: and drawing and arranging the examinees to obtain corresponding examination room information and examination seats.
Specifically, in the present embodiment, at the management center module 1, the examinee information includes an examinee name, an examinee sex, a school, a grade, a region of belongings, a student's certificate number, an examination subject, and an examinee's avatar.
Specifically, in this embodiment, the teacher management module 2 is configured to output an examination instruction and an examination procedure according to the examination information, and receive and upload an operation image output by the acquisition operation sub-module 312.
In a preferred embodiment of the present invention, as shown in fig. 2, an operation module 31 and a storage module 32 are disposed inside the student experiment module 3, and an examination operation sub-module 311 and an acquisition operation sub-module 312 are disposed in the operation module 31;
the examination operation sub-module 311 is configured to confirm the examination seat information and perform an examination operation;
the acquisition operation sub-module 312 is used for acquiring an operation image of the examinee in the examination process and outputting the operation image;
and the storage module 32 is used for receiving the operation image for storage and reading by a user.
Specifically, in the present embodiment, the storage module 32 stores data for a user to read as a user with a predetermined authority.
Specifically, in this embodiment, the examination instruction includes: seat information acquisition, device self-checking, test start, test end, test countdown and test exception handling.
Specifically, in this embodiment, the examination process includes: confirming whether the examinee corresponding to the examination is in the corresponding examination seat, distributing examination papers, starting the examination and ending the examination.
Specifically, in this embodiment, the processing of the examination abnormality includes the processing of cheating by the examinee, examination lack by the examinee, and early examination delivery by the examinee.
Specifically, in this embodiment, the teacher management module 2 monitors and records the whole process video, and uploads the examination data to the management center module 1.
Specifically, in this embodiment, the teacher management module 2 further includes a connection state of the self-detection capture camera.
In the preferred embodiment of the present invention, as shown in fig. 3, the evaluation module 4 is internally provided with a scoring module 41 and an arbitration module 42;
the scoring module 41 is used for receiving the examinee operation data, scoring and outputting examinee score data;
and the arbitration module 42 is used for arbitrating when the scores in the scoring module 41 have differences, and outputting the score data of the examinees after arbitration.
Specifically, in the present embodiment, the scoring module 41 may be a single-person scoring or a multi-person scoring, where the multi-person scoring is performed by a plurality of teachers, and the multi-person scoring may have a scoring difference and thus enter the arbitration module 42.
In a preferred embodiment of the present invention, the management center module 1 is further configured to set examination question information, and according to the examination question information and the examination position information, it is convenient for relevant personnel to set the acquisition angle of the acquisition operation sub-module 312 and set the corresponding experimenter (consumable) material.
Specifically, in this embodiment, before the examination, the experimenter (consumable) is set and placed in advance according to the examination question information of the examination point.
In the preferred embodiment of the present invention, the collecting operation sub-module 312 is a collecting camera, and the operation image is a video signal.
Specifically, in this embodiment, the collection camera does not need to be connected with the encoder, and the angle of the camera can be adjusted at will.
In a preferred embodiment of the present invention, the acquisition operation sub-module 312 and the examination operation sub-module 311 are an integrated machine, and the acquisition cameras are a first acquisition camera and a second acquisition camera; the first acquisition camera and the second acquisition camera are independently controlled by the examination operation sub-module 311, and start recording after forcibly refreshing a frame under the control of the examination operation sub-module 311.
Specifically, in this embodiment, the all-in-one only needs to be placed on the laboratory table, and the first collection camera of private network protocol control and the second collection camera can issue the video recording instruction to two cameras simultaneously, have avoided recording the resource competition problem of process among the prior art to through forcing refreshing a frame of synchronous recording time, guarantee that the video synchronization error that two cameras gathered is in more than one second, the synchronous retrieval operation image of when being convenient for go over the examination paper.
In a preferred embodiment of the present invention, the student experiment module 3 further comprises an operation image acquisition module, which is connected with an external digital device, wherein the external digital device comprises an electronic eyepiece; the electronic eyepiece is connected with an electron microscope, and the operation image comprises a microscopic image of the electron microscope; the device can also be externally connected with digital sensor equipment to obtain experimental data.
Specifically, in this embodiment, in the biological experiment operation examination, the examinee needs to observe the experimental material and record the related content through the microscope, and the electron eyepiece is connected with the electron microscope to obtain a clear microscopic image, so that the phenomenon that the examination process is unfair due to poor instrument condition in the conventional experiment operation examination is avoided, and meanwhile, the microscopic image is acquired through the electron eyepiece and is sent to the evaluation module 4, so that the microscopic image and the examinee record content are compared when the examiner performs subsequent examination, and the examination efficiency and accuracy are improved.
In the preferred embodiment of the present invention, the arbitration module 42 is pre-configured with an arbitration mechanism, and is used for starting the arbitration mechanism to output the test data when there is a difference in scores in the scoring module 41.
Specifically, in this embodiment, the scoring results of multiple scoring are different by a certain value, and the result enters the arbitration module 42, where the certain value is set in the management center module 1 in advance.
Specifically, in this embodiment, the arbitration mechanism may be preset to be direct arbitration or arbitration after third party reviews, where the third party is teacher personnel preset in the management center module 1.
In a preferred embodiment of the invention, the examination reading module is preset with a correct experiment step corresponding to the examination and an evaluation value corresponding to the correct experiment step, and the examination reading module is used for comparing the operation image with the correct experiment step to obtain the evaluation value corresponding to the operation image and outputting examination data.
Specifically, in this embodiment, relevant experimental steps and examination evaluation values are set for examination questions in advance, and a teacher performs comparison and scoring to give a scoring result.
Specifically, in the present embodiment, the experimental procedures and the evaluation values are further described by the following examples:
the name of the experiment: calculating the density of small stones;
experimental procedure and corresponding evaluation values:
step 1: the balance is placed on a horizontal desktop, and the balance is moved to the '0' scale of the scale with tweezers-evaluation value: 1 minute;
step 2: adjusting nuts at two ends of the cross beam to enable the deflection angles of the pointer to swing on the central scale line of the dial or on two sides to be approximately equal, representing balance, reading and recording the quality-evaluation value of the small stone: 1 minute;
and step 3: after weighing, the weight is put back into the weight box by tweezers, and the vernier is reset to the scale line of '0' -on the scale-evaluation value: 1 minute;
and 4, step 4: measuring a certain amount of water by using a measuring cylinder, pouring a proper amount of water into the measuring cylinder, and then using a rubber head dropper to enable the water in the measuring cylinder to reach the scale mark-evaluation value of the measuring cylinder: 1 minute;
and 5: during reading, the sight line is level with the lowest position of the concave liquid surface of the water surface in the measuring cylinder, and the volume-evaluation value of the water at the moment is recorded: 2 min;
step 6: tying the small stone blocks with a thin line, carefully immersing the small stone blocks in water in a measuring cylinder, and reading and recording the volume-evaluation value of the water when the water surface is calm: 2 min;
and 7: the volume of the small stone blocks is calculated firstly, and then the density-evaluation value of the small stone blocks is calculated: 3 min;
and 8: equipment is arranged and restored-evaluation value: and 1 point.
Specifically, in this embodiment, the examinee can enter the management center module 1 through the admission reference number to perform examination result query, and can trace the result.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. An informatization laboratory examination and teaching system is applied to two scenes of informatization examination and teaching for the operation of an examinee on experimental equipment in a laboratory; the system is characterized in that the evaluation and teaching process of the informatization laboratory is controlled by a management center module, and the management center prestores information of each examination participant and examination information;
the informatization laboratory evaluation and teaching system comprises: the management center is respectively connected with the teacher management module, the evaluation module and the analysis module and is used for receiving and storing data of the student experiment module, the evaluation module and the analysis module;
in an examination scene, the teacher management module is further used for receiving the examination information, and controlling and adjusting an examination process of the experimental equipment in the laboratory;
in a teaching scene, the teacher management module is further configured to receive the teaching participant information and the teaching information, and manage and control the experimental device teaching process in the laboratory;
the student experiment module is used for performing examination or teaching operation, collecting operation data corresponding to the examinees, outputting the operation data, storing the operation data and allowing a user to read the operation data;
in the examination scene, the evaluation module receives the operation data and carries out grading, carries out arbitration when the grading is different, and outputs examination data corresponding to the examinee;
in the teaching scene, the evaluation module receives the teaching data and makes a comment;
the analysis module receives the examination data or the teaching data, analyzes the examination data or the teaching data and outputs an analysis result.
2. The informatization laboratory examination system of claim 1, wherein in the examination scenario, the examination information comprises examinee information, teacher information, administrator information, examination question information, examination point information, and examination session information;
in the teaching scene, the teaching information includes student information, teacher information, administrator information, experiment subject information, class information, and time information.
3. The informatization laboratory examination system according to claim 1, wherein an operation module and a storage module are arranged inside the student experiment module, and an examination operation sub-module and an acquisition operation sub-module are arranged in the operation module;
the examination operation sub-module is used for confirming the examination seat information and performing the examination operation;
the acquisition operation sub-module is used for acquiring an operation video of the examinee in the examination process and outputting the operation video;
the invigilating module is used for outputting examination instructions and examination processes according to the examination information, and receiving and outputting the operation data output by the acquisition operation sub-module;
and the storage module is used for receiving the operation data for storage and reading by the user.
4. The informatization laboratory examination system of claim 1, wherein the evaluation module is internally provided with a scoring module and an arbitration module;
the examination paper marking module is used for receiving the operation data, grading and outputting the examination data;
the arbitration module is used for carrying out arbitration when the scores in the scoring module are different, and outputting the test data after the arbitration.
5. The system of claim 1, wherein the invigilation module is further configured to receive the examination question information, and set the collection angle of the collection operation sub-module and set the corresponding tester (consumable) material according to the examination question information and the examination location information.
6. The informatization laboratory examination system of claim 3, wherein the collection operations sub-module comprises a collection camera and the operational data comprises the operational video.
7. The informatization laboratory examination system of claim 6, wherein the acquisition operation sub-module and the examination operation sub-module are integrated;
the acquisition cameras are a first acquisition camera and a second acquisition camera;
the first acquisition camera and the second acquisition camera are independently controlled by the examination operation sub-module, and start recording after forcibly refreshing a frame under the control of the examination operation sub-module.
8. The informatization laboratory examination system of claim 1, wherein the student experiment module further comprises means for acquiring the operational data via an external digital device;
the external digital equipment comprises an electronic eyepiece and a digital sensor;
the electronic eyepiece is connected with an electronic microscope, and the operation data comprises a microscopic image of the electronic microscope;
the digital sensor is connected with an experimental instrument and acquires experimental data of the experimental instrument, and the operation data comprises the experimental data.
9. The informatization laboratory test system according to claim 1, wherein the arbitration module is preset with an arbitration mechanism, and is used for starting the arbitration mechanism to output the test data when the scores in the scoring module are different.
10. The informatization laboratory examination system according to claim 4, wherein the examination marking module is preset with a correct experiment step corresponding to an examination and an evaluation value corresponding to the correct experiment step, and the examination marking module is configured to compare the operation data with the correct experiment step to obtain the evaluation value corresponding to the operation data, and output the examination data.
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