CN109272795A - With no paper long-range independent examination system - Google Patents
With no paper long-range independent examination system Download PDFInfo
- Publication number
- CN109272795A CN109272795A CN201811319828.8A CN201811319828A CN109272795A CN 109272795 A CN109272795 A CN 109272795A CN 201811319828 A CN201811319828 A CN 201811319828A CN 109272795 A CN109272795 A CN 109272795A
- Authority
- CN
- China
- Prior art keywords
- camera
- connecting rod
- rack gear
- fixedly connected
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
Abstract
The invention discloses with no paper long-range independent examination system, reflecting system is located at the top of computer；Reflecting system includes two connecting rods being fixedly connected on the ceiling, and connecting rod is tilted down towards close to the direction where bench；The wherein fixed motor in the outside of a connecting rod, the output shaft of motor passes through connecting rod and connect with gear, sliding rail is fixedly connected on the inside of another connecting rod, rack gear is set above gear, and rack and pinion is intermeshed, and sliding block is arranged on sliding rail, sliding block can be moved along sliding rail, mounting plate is fixedly connected on sliding block, mounting plate is facing each other with rack gear, and mirror is fixedly connected between mounting plate and rack gear；Image-taking system includes camera, and camera is located at the top of computer, and the camera lens of camera is upward.The present invention to solve in the prior art by different examinee's height and weight sitting postures be accustomed to it is different influenced, the limited problem of versatility of camera invigilator realizes the purpose of the versatility and flexibility that improve camera invigilator.
Description
Technical field
The present invention relates to nonpaperlized examination fields, and in particular to no paper long-range independent examination system.
Background technique
It is foundation, with the exam pool resource of optimization that nonpaperlized examination, which is " the working qualification's examination outline " printed and distributed with the Ministry of Finance,
Based on, using modern information technologies as means, generate nonpaperlized examination paper by random creating test papers and take an exam, and generate in time
Total marks of the examination, integrate examination registration, test paper generation, Hands-On test, go over examination papers, achievement generate, the quality certification (list) print etc.,
Diversification, novel working examination management mode.As computer assisted assessment is the educational measurement and learning evaluation during
It is widely applied, has caused the deep reform of evaluation content, method and form.Exploitation, application being capable of, sides theoretical in conjunction with education assessment
The test on line system of method and modern information technology means provides " the assessment clothes of " flexibly, conveniently, science, fair " for examinee
Business ", it has also become the vital task that the numerous workers of educational front are faced.The research of nonpaperlized examination network system is exactly
It has developed in this case.Nonpaperlized examination can more efficiently ensure take an examination objectivity, fairness, in real time
Property, have improve management work efficiency, save exam information, specification examination management, facilitate examinee the tradition examination such as to take an examination can not
The advantage of substitution, is implement scientific view of development, and the strong behave of active construction Economizing Government is that qualifying examination develops
Inexorable trend.With the continuous popularization of nonpaperlized examination, occurs a large amount of Examination System without paper in the prior art, took an examination
Cheng Zhong, Examination System without paper can periodically automatically save examinee's answer situation, to prevent the burst such as crash, power-off, maloperation
Event and caused by take an examination interrupt.After examination, the total marks of the examination of examinee are uniformly recycled to database by examination hall and are permanently protected
It deposits；Conditional area, can alternate device of the ad hoc server as examination paper and total marks of the examination database.However,
Existing nonpaperlized examination is all based on carries out paper test on computers, and in invigilator's link, there is still a need for artificial invigilator.?
On this basis, also occur some systems remotely invigilated with camera in the prior art, however these systems
Camera is all relatively fixed, and the difference that different examinees are accustomed to due to height and weight sitting posture, the relative position of distance calculation
Relationship, if longitudinal separation, body height are all different, this allows for the invigilator of existing camera and asks there are versatility is limited
Topic.
Summary of the invention
The purpose of the present invention is to provide with no paper long-range independent examination systems, to solve in the prior art by different examinees
Height and weight sitting posture is accustomed to different influences, and the limited problem of the versatility of camera invigilator is realized and improves camera invigilator's
The purpose of versatility and flexibility.
The present invention is achieved through the following technical solutions:
With no paper long-range independent examination system, the bench including computer described in computer, face, the computer, seat
There is ceiling above stool, further include the reflecting system of image-taking system and connection on the ceiling；The reflecting system
Positioned at the top of computer；The reflecting system includes two connecting rods being fixedly connected on the ceiling, and two connecting rods are mutually flat
Row, the connecting rod are tilted down towards close to the direction where bench；The wherein fixed motor in the outside of a connecting rod, the motor
Output shaft pass through connecting rod and connect with gear, be fixedly connected with sliding rail on the inside of another connecting rod, the gear top setting rack gear,
The rack and pinion intermeshing, the long axis of rack gear are parallel to the long axis of sliding rail, sliding block, the sliding block are arranged on the sliding rail
It can be moved along sliding rail, mounting plate is fixedly connected on the sliding block, the mounting plate and rack gear are facing each other, mounting plate and tooth
Mirror is fixedly connected between item；For the long axis of the rack gear perpendicular to the long axis of connecting rod, the lower surface of the mirror is parallel to rack gear
Long axis；It includes camera that described image, which obtains system, and the camera is located at the top of computer, the camera lens court of camera
On.
In the prior art by different examinee's height and weight sitting postures be accustomed to it is different influenced, camera invigilator versatility have
Limit；In order to overcome the problems, such as versatility deficiency, existing solution is will to invigilate the front that examinee is arranged in camera, this
It is like that have special messenger to stare at always before eyes, therefore can bring biggish psychology interference to the bad examinee of some psychological qualities, does
Disturb the normal performance of this kind of examinee.Based on the above issues, the present invention proposes with no paper long-range independent examination system, and introducing is fixed on
The reflecting system of ceiling above computer obtains the light reflected by reflecting system reflection light, then by image-taking system,
Realize the long-range invigilator to examinee.Specifically, reflecting system includes two connecting rods being fixedly connected on the ceiling, two connecting rods
It is parallel to each other, connecting rod is tilted down towards close to the direction where bench.The present invention provides power driven gear rotation by motor,
Since motor is fixed on a connecting rod, motor is relatively fixed, gear is also just relatively fixed, therefore turns with gear
Dynamic, meeting drive rack moves linearly.Mirror is fixedly connected between rack gear and mounting plate, mounting plate is fixedly connected with a slide block,
Sliding block matches with sliding rail, and inevitable sliding block can be limited by sliding rail, and sliding rail is fixed in another connection, therefore
Since two connecting rods are fixed, so that sliding rail is fixed, the moving direction of sliding block is just fixed, so how pipe rack does not move, simultaneously
Drive how the center of mirror is moved, under the limitation of sliding rail and sliding block, mirror can keep relative translation, Bu Huifa
Raw overturning.When specific works of the present invention, during examinee is sitting in progress nonpaperlized examination on stool, long-range invigilator personnel are logical
The positive and negative rotation of control motor, the rotation of sliding tooth wheel are crossed, so that drive rack moves linearly, the linear movement band index glass of rack gear
Son synchronizes movement, while providing limit by sliding rail and sliding block, so that the mobile holding of mirror moves linearly, until by mirror
It adjusts and mirror is enabled to receive the light that more examinee's reflections come to suitable position, obtained at this time by camera
Image information in mirror, since camera is located at the top of computer, upward, therefore camera can be completely for the camera lens of camera
Receive by mirror reflection come examinee position light, to realize invigilator to examinee.The present invention is by reflecting system
Realize to the examinee of different height and weights, sitting posture habit remotely invigilate be adjusted flexibly, it is flat at itself by adjusting mirror
Relative position in face, so that the separate or close computer no matter examinee sits, can access more complete image, pole
The big versatility for improving the invigilator of nonpaperlized examination process medium-long range, at the same also avoid that certain examinees deliberately sit farther out or
More closely avoiding camera blind area with this is problem, significantly improves the control ability for remotely invigilating.Simultaneously as camera
Positioned at the top of computer, upward, therefore for examinee, camera is no longer lofty always to be appeared in the camera lens of camera
Front face oneself, so the examinee bring psychology interference bad to psychological quality can be eliminated obviously, it is ensured that examinee is usual
The heart takes an exam.
The reflecting system is located at oblique upper of the computer far from bench direction.Bigger incline convenient for being provided for mirror
Angle reflects light in larger scope around examinee.
Angle between the connecting rod and the bottom surface of ceiling is α, 65 ° of 70 ° of < α <.The angle refers to connecting rod towards seat
The angle constituted between stool direction and ceiling.
The motor is stepper motor.
Compared with prior art, the present invention having the following advantages and benefits:
1, the with no paper long-range independent examination system of the present invention is realized by reflecting system to different height and weights, sitting posture habit
Used examinee remotely invigilate be adjusted flexibly, by adjusting relative position of the mirror in own layer so that examinee without
By seat far from or close to computer, more complete image can be accessed, during greatly improving nonpaperlized examination
The versatility remotely invigilated, at the same also avoid that certain examinees deliberately sit farther out or more closely to avoid camera blind area with this be to ask
Topic, significantly improves the control ability for remotely invigilating.
2, the with no paper long-range independent examination system of the present invention, since camera is located at the top of computer, the mirror of camera
Head-up, therefore for examinee, camera it is no longer lofty always appear in front face oneself, so can obviously disappear
Except the examinee bring psychology interference bad to psychological quality, it is ensured that examinee's usual mind takes an exam.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the side view of the specific embodiment of the invention；
Fig. 2 is the front view of reflecting system in the specific embodiment of the invention；
Fig. 3 is the structural schematic diagram of reflecting system in the specific embodiment of the invention.
Label and corresponding parts title in attached drawing:
1- computer, 2- bench, 3- ceiling, 4- connecting rod, 5- motor, 6- gear, 7- sliding rail, 8- rack gear, 9- mounting plate,
10- mirror, 11- camera, 12- sliding block.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1:
With no paper long-range independent examination system as shown in Figure 1 to Figure 3, with no paper long-range independent examination system, including meter
The bench 2 of computer 1 described in calculation machine 1, face has ceiling 3 above the computer 1, bench 2, further includes that image obtains
System and the reflecting system being connected on ceiling 3；The reflecting system is located at the top of computer 1；The reflecting system
Including two connecting rods 4 being fixedly connected on ceiling 3, two connecting rods 4 are parallel to each other, and the connecting rod 4 is towards close to 2 institute of bench
Direction tilt down；The wherein fixed motor 5 in the outside of connecting rod 4, the output shaft 51 of the motor 5 pass through connecting rod 4 with
Gear 6 connects, and the inside of another connecting rod 4 is fixedly connected with sliding rail 7, and rack gear 8, the rack gear 8 and tooth is arranged above the gear 6
6 intermeshing of wheel, the long axis of rack gear 8 are parallel to the long axis of sliding rail 7, sliding block 12 are arranged on the sliding rail 7, the sliding block 12 can
It is moved along sliding rail 7, mounting plate 9 is fixedly connected on the sliding block 12, the mounting plate 9 and rack gear 8 are facing each other, mounting plate 9
Mirror 10 is fixedly connected between rack gear 8；Long axis of the long axis of the rack gear 8 perpendicular to connecting rod 4, the lower surface of the mirror 10
It is parallel to the long axis of rack gear 8；It includes camera 11 that described image, which obtains system, and the camera 11 is located at the top of computer 1,
The camera lens of camera 11 is upward.
Embodiment 2:
With no paper long-range independent examination system as shown in Figure 1 to Figure 3, on the basis of embodiment 1, the reflecting system
Oblique upper positioned at computer 1 far from 2 direction of bench.Angle between the connecting rod 4 and the bottom surface of ceiling 3 is 71 °.
The motor 5 is stepper motor.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (4)
1. with no paper long-range independent examination system, the bench (2) including computer (1) described in computer (1), face, the meter
Calculation machine (1) has ceiling (3) above bench (2), which is characterized in that further includes image-taking system and is connected to smallpox
Reflecting system on plate (3)；The reflecting system is located at the top of computer (1)；The reflecting system includes being fixedly connected on
Two connecting rods (4) on ceiling (3), two connecting rods (4) are parallel to each other, and the connecting rod (4) is towards where bench (2)
Direction tilts down；Wherein the outside of a connecting rod (4) is fixed motor (5), and the output shaft (51) of the motor (5) passes through connecting rod
(4) it connect with gear (6), is fixedly connected sliding rail (7) on the inside of another connecting rod (4), rack gear is set above the gear (6)
(8), the rack gear (8) and gear (6) are intermeshed, and the long axis of rack gear (8) is parallel to the long axis of sliding rail (7), the sliding rail (7)
Upper setting sliding block (12), the sliding block (12) can be mobile along sliding rail (7), are fixedly connected with mounting plate on the sliding block (12)
(9), the mounting plate (9) and rack gear (8) are facing each other, and mirror (10) are fixedly connected between mounting plate (9) and rack gear (8)；Institute
Long axis of the long axis perpendicular to connecting rod (4) of rack gear (8) is stated, the lower surface of the mirror (10) is parallel to the long axis of rack gear (8)；Institute
Stating image-taking system includes camera (11), and the camera (11) is located at the top of computer (1), the mirror of camera (11)
Head-up.
2. with no paper long-range independent examination system according to claim 1, which is characterized in that the reflecting system is located at meter
Oblique upper of the calculation machine (1) far from bench (2) direction.
3. with no paper long-range independent examination system according to claim 1, which is characterized in that the connecting rod (4) and smallpox
Angle between the bottom surface of plate (3) is α, 65 ° of 70 ° of < α <.
4. with no paper long-range independent examination system according to claim 1, which is characterized in that the motor (5) is stepping
Motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811319828.8A CN109272795A (en) | 2018-11-07 | 2018-11-07 | With no paper long-range independent examination system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811319828.8A CN109272795A (en) | 2018-11-07 | 2018-11-07 | With no paper long-range independent examination system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109272795A true CN109272795A (en) | 2019-01-25 |
Family
ID=65192187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811319828.8A Withdrawn CN109272795A (en) | 2018-11-07 | 2018-11-07 | With no paper long-range independent examination system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109272795A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112365771A (en) * | 2020-11-10 | 2021-02-12 | 青岛黄海学院 | Training auxiliary device and method for enterprise management consultation |
-
2018
- 2018-11-07 CN CN201811319828.8A patent/CN109272795A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112365771A (en) * | 2020-11-10 | 2021-02-12 | 青岛黄海学院 | Training auxiliary device and method for enterprise management consultation |
| CN112365771B (en) * | 2020-11-10 | 2022-04-12 | 青岛黄海学院 | Training auxiliary device and method for enterprise management consultation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190125 |
|
| WW01 | Invention patent application withdrawn after publication |