CN109085947B - Electronic answer sheet, electronic paper marking device and electronic paper marking system - Google Patents
Electronic answer sheet, electronic paper marking device and electronic paper marking system Download PDFInfo
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- CN109085947B CN109085947B CN201810752386.XA CN201810752386A CN109085947B CN 109085947 B CN109085947 B CN 109085947B CN 201810752386 A CN201810752386 A CN 201810752386A CN 109085947 B CN109085947 B CN 109085947B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- 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
- G09B7/02—Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
Abstract
The invention provides an electronic answer sheet, an electronic marking device and an electronic marking system, and relates to the technical field of intelligent equipment. The invention displays the corresponding answer information on the electronic answer sheet according to the touch position of the user so as to provide the answer information to be collected for the electronic marking device. When the answer is needed, the corresponding answer information can be displayed by touching the answer options on the electronic answer sheet, a pencil is not needed to be uniformly smeared on the paper answer sheet, the examination time is saved, and the examination paper can be read by acquiring the answer information on the electronic answer sheet through the electronic examination paper reading device.
Description
Technical Field
The invention relates to the technical field of intelligent equipment, in particular to an electronic answer sheet, an electronic paper marking device and an electronic paper marking system.
Background
At present, various examinations are more and more, answer sheets adopted in large-scale examinations are generally paper answer sheets, a user needs to use a pencil to coat the answer sheets, and in order to ensure that a subsequent examination paper reading device can accurately read the coated answer options, the coating is required to be uniform when the answer sheets are coated.
However, in this way, the paper answer sheet is used in combination with a pencil, which usually delays the examination time when the pencil is used to coat the answer sheet.
Disclosure of Invention
The invention provides an electronic answer sheet, an electronic paper marking device and an electronic paper marking system, which aim to solve the problem that the conventional mode of answering questions by matching a paper answer sheet with a pencil delays examination time.
In order to solve the above problems, the present invention discloses an electronic answer sheet, which is configured to display corresponding answer information according to a touch position of a user, so as to provide answer information to be collected for an electronic paper marking device.
Preferably, the electronic answer sheet comprises a first substrate and a second substrate which are oppositely arranged;
a touch sensing layer and a first electrode layer are sequentially arranged on one side, facing the second substrate, of the first substrate, a second electrode layer is arranged on one side, facing the first substrate, of the second substrate, and a two-dimensional material is filled between the first electrode layer and the second electrode layer;
the first electrode layer and/or the second electrode layer comprise a plurality of electrodes arranged at intervals, and each electrode corresponds to one answer option.
Preferably, the electronic answer sheet further comprises a thin film transistor;
the first electrode layer comprises a plurality of first electrodes arranged at intervals, the thin film transistor is positioned between the touch sensing layer and the first electrodes, is respectively connected with the touch sensing layer and the first electrodes, and is configured to apply a preset voltage to the first electrodes when corresponding positions on the touch sensing layer are touched;
or the second electrode layer comprises a plurality of second electrodes arranged at intervals, the thin film transistor is located between the second substrate and the second electrodes, and the thin film transistor is respectively connected with the touch sensing layer and the second electrodes and configured to apply a preset voltage to the second electrodes when a corresponding position on the touch sensing layer is touched.
Preferably, the electronic answer sheet further comprises a driving chip;
the first electrode layer comprises a plurality of first electrodes arranged at intervals, the driving chip is respectively connected with the touch sensing layer and the plurality of first electrodes arranged at intervals and is configured to apply preset voltage to the corresponding first electrode at the touch position according to the touch position detected by the touch sensing layer;
or the second electrode layer comprises a plurality of second electrodes arranged at intervals, the driving chip is respectively connected with the touch sensing layer and the plurality of second electrodes arranged at intervals, and is configured to apply a preset voltage to the second electrode corresponding to the touch position according to the touch position detected by the touch sensing layer.
Preferably, the electronic answer sheet further comprises a support structure;
the first electrode layer comprises a plurality of first electrodes arranged at intervals, and the supporting structure is positioned between the touch sensing layer and the second electrode layer;
or, the second electrode layer includes a plurality of second electrodes disposed at intervals, and the support structure is located between the first electrode layer and the second substrate.
Preferably, when the answer options at the corresponding positions on the electronic answer sheet are not touched, the two-dimensional material is arranged along a first direction, so that light rays incident on the two-dimensional material are reflected; when answer options at corresponding positions on the electronic answer sheet are touched, the two-dimensional material is arranged along a second direction, so that light rays incident on the two-dimensional material are not reflected.
Preferably, the two-dimensional material is graphene oxide.
In order to solve the problems, the invention also discloses an electronic marking device, which comprises a collecting unit;
the acquisition unit is configured to acquire answer information displayed on the electronic answer sheet.
Preferably, the electronic scoring device further comprises a transmission unit;
the transmission unit is configured to transmit the electronic answer sheet so as to transmit the electronic answer sheet to a position corresponding to the acquisition unit.
Preferably, the electronic marking device further comprises an information eliminating unit;
the information eliminating unit is configured to eliminate the answer information displayed on the electronic answer sheet.
In order to solve the above problems, the present invention further discloses an electronic paper marking system, which includes the electronic answer sheet and the electronic paper marking device.
Compared with the prior art, the invention has the following advantages:
and displaying corresponding answer information on the electronic answer sheet according to the touch position of the user so as to provide answer information to be collected for the electronic marking device. When the answer is needed, the corresponding answer information can be displayed by touching the answer options on the electronic answer sheet, a pencil is not needed to be uniformly smeared on the paper answer sheet, the examination time is saved, and the examination paper can be read by acquiring the answer information on the electronic answer sheet through the electronic examination paper reading device.
Drawings
Fig. 1 is a schematic structural diagram of an electronic answer sheet according to an embodiment of the invention;
fig. 2 is a partial schematic view of a first electronic answer sheet according to an embodiment of the invention;
fig. 3 is a partial schematic view of a second electronic answer sheet according to the embodiment of the invention;
fig. 4 is a partial schematic view of a third electronic answer sheet according to the embodiment of the invention;
fig. 5 is a partial schematic view of a fourth electronic answer sheet according to the embodiment of the invention;
fig. 6 is a partial schematic view of a fifth electronic answer sheet according to the embodiment of the invention;
FIG. 7 shows a schematic structural view of a two-dimensional material arranged in a first direction according to an embodiment of the invention;
FIG. 8 is a schematic diagram showing the arrangement of two-dimensional materials along a second direction according to an embodiment of the present invention;
fig. 9 shows a schematic structural diagram of an electronic scoring device according to an embodiment of the present invention;
fig. 10 shows a schematic structural diagram of an electronic scoring system according to an embodiment of the present invention;
fig. 11 shows a top view of an electronic scoring system in accordance with an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
Referring to fig. 1, a schematic structural diagram of an electronic answer sheet according to an embodiment of the present invention is shown.
An embodiment of the present invention provides an electronic answer sheet 10, where the electronic answer sheet 10 is configured to display corresponding answer information according to a touch position of a user, so as to provide answer information to be collected for an electronic paper marking device.
As shown in fig. 1, the electronic answer sheet 10 includes an information area M1 and an answer area M2, the information area M1 is used for displaying contents such as user information, for example, name, admission card number, etc., the answer area M2 mainly includes question numbers, answer options, etc., for example, the 1 st to 6 th questions, and the answer option corresponding to each question includes an answer option a, an answer option B, an answer option C, and an answer option D.
When the user needs to answer, touch the answer options corresponding to the question numbers in the second area M2 of the electronic answer sheet 10, the touched answer options may be displayed in black, while the non-touched answer options are not displayed in black, and the answer options selected by the user are displayed according to the touch position of the user.
For example, when a touch is performed on answer item B of question 1 in the second area M2, answer item B is displayed in black, and answer item a, answer item C, and answer item D of question 1 are not displayed in black.
It should be noted that the answer information in the embodiment of the present invention includes answer options, user information, and other contents, when the user needs to fill in the corresponding user information, touch may also be performed at the corresponding position, and the touched position is displayed as black, so as to display the user information.
After the user finishes answering on the electronic answer sheet 10, answer information to be collected is provided for the electronic marking device, and the answer information on the electronic answer sheet 10 is collected through the electronic marking device, so that the marking is completed.
Fig. 2 is a partial schematic view of a first electronic answer sheet according to an embodiment of the present invention, fig. 3 is a partial schematic view of a second electronic answer sheet according to an embodiment of the present invention, fig. 4 is a partial schematic view of a third electronic answer sheet according to an embodiment of the present invention, fig. 5 is a partial schematic view of a fourth electronic answer sheet according to an embodiment of the present invention, and fig. 6 is a partial schematic view of a fifth electronic answer sheet according to an embodiment of the present invention. Fig. 2 to fig. 6 are partial schematic views corresponding to the area N in the electronic answer sheet shown in fig. 1.
As shown in fig. 2 to 6, the electronic answer sheet 10 includes a first substrate 11 and a second substrate 12, which are oppositely disposed, a touch sensing layer 13 and a first electrode layer 14 are sequentially disposed on a side of the first substrate 11 facing the second substrate 12, a second electrode layer 15 is disposed on a side of the second substrate 12 facing the first substrate 11, and a two-dimensional material 16 is filled between the first electrode layer 14 and the second electrode layer 15.
The first electrode layer 14 and/or the second electrode layer 15 include a plurality of electrodes arranged at intervals, and each electrode corresponds to one answer option.
As shown in fig. 2, the electronic answer sheet 10 further includes a thin film transistor 17, the first electrode layer 14 includes a plurality of first electrodes 141 arranged at intervals, the thin film transistor 17 is located between the touch sensing layer 13 and the first electrodes 141, and the thin film transistor 17 is respectively connected to the touch sensing layer 13 and the first electrodes 141, and configured to apply a preset voltage to the first electrodes 141 when a corresponding position on the touch sensing layer 13 is touched.
In the first embodiment of the present invention, the display color of the answer option can be controlled by the thin film transistor 17 disposed between the touch sensing layer 13 and the first electrode 141, the gate of the thin film transistor 17 is connected to the touch sensing layer 13, the source of the thin film transistor 17 is connected to the first power supply, the drain of the thin film transistor 17 is connected to the corresponding first electrode 141, and the voltage input by the first power supply is a preset voltage; each first electrode 141 corresponds to one answer option, and each first electrode 141 includes a first sub-electrode 1411 and a second sub-electrode 1412.
In practical application, the gate of the thin film transistor 17 is connected to the touch sensing layer 13 through a driving circuit, and after the touch sensing layer 13 detects a touch position of a user, the driving circuit sends a driving signal to the corresponding driving circuit, and the driving circuit controls the thin film transistor 17 to be turned on according to the driving signal.
For example, the first electrodes 141 from left to right in fig. 2 correspond to the answer options a, B and C in the area N of the electronic answer sheet 10, respectively.
The electronic answer sheet 10 further includes a supporting structure 18, the first electrode layer 14 includes a plurality of first electrodes 141 arranged at intervals, and the supporting structure 18 is located between the touch sensing layer 13 and the second electrode layer 15.
The principle of the answer options displaying different colors will be described below by taking the electronic answer sheet 10 shown in fig. 2 as an example.
Referring to fig. 7, a schematic diagram of a structure in which two-dimensional materials are arranged in a first direction according to an embodiment of the present invention is shown.
Before the electronic answer sheet 10 is used, the electronic answer sheet 10 is placed in an electric field or magnetic field environment, an electric field or magnetic field in a first direction is applied to the two-dimensional material 16 in the electronic answer sheet 10, specifically, the electric field or magnetic field in the first direction is applied between the first sub-electrode 1411 and the second sub-electrode 1412, so that the two-dimensional material 16 is arranged in the first direction, external incident light R1 can be reflected when being incident on the two-dimensional material 16, the corresponding reflected light is R2, and at this time, the answer options on the electronic answer sheet 10 do not display black.
Referring to fig. 8, a schematic diagram of a structure in which two-dimensional materials are arranged in a second direction according to an embodiment of the present invention is shown.
When the electronic answer sheet 10 is used and when a certain answer option needs to be touched, the touch sensing layer 13 detects a touch position of a user, controls the thin film transistor 17 at the corresponding position to be turned on according to the touch position of the user, and writes a preset voltage input by the first power supply into the first electrode 141, that is, applies the preset voltage to the first electrode 141, specifically, applies the preset voltage to the first sub-electrode 1411 and the second sub-electrode 1412 in the first electrode 141 at the same time.
Generally, a certain common voltage is applied to the second electrode layer 15, when the corresponding position of the answer option is touched, a preset voltage is applied to the first electrode 141 at the corresponding position of the answer option, and a certain voltage difference is formed between the preset voltage and the common voltage of the second electrode layer 15, so that the two-dimensional material 16 is controlled to be arranged along the second direction, the external incident light R1 is incident on the two-dimensional material 16 and is not reflected, and at this time, the touched answer option on the electronic answer sheet 10 is displayed in black.
For the non-touched answer options, the two-dimensional material 16 is still arranged along the first direction, and the external incident light R1 can be reflected when being incident on the two-dimensional material 16, and at this time, the non-touched answer options do not display black.
As shown in fig. 3, the electronic answer sheet 10 further includes a thin film transistor 17, the second electrode layer 15 includes a plurality of second electrodes 151 disposed at intervals, the thin film transistor 17 is located between the second substrate 12 and the second electrodes 151, and the thin film transistor 17 is respectively connected to the touch sensing layer 13 and the second electrodes 151, and is configured to apply a preset voltage to the second electrodes 151 when a corresponding position on the touch sensing layer 13 is touched.
In the second embodiment of the present invention, the display color of the answer option can be controlled by the thin film transistor 17 disposed between the second substrate 12 and the second electrode 151, the gate of the thin film transistor 17 is connected to the touch sensing layer 13, the source of the thin film transistor 17 is connected to the first power supply, the drain of the thin film transistor 17 is connected to the corresponding second electrode 151, and the voltage input by the first power supply is a preset voltage; each second electrode 151 corresponds to one answer option, and each second electrode 151 includes a third sub-electrode 1511 and a fourth sub-electrode 1512.
The electronic answer sheet 10 further includes a supporting structure 18, the second electrode layer 15 includes a plurality of second electrodes 151 disposed at intervals, and the supporting structure 18 is located between the first electrode layer 14 and the second substrate 12.
Before using the electronic answer sheet 10, the electronic answer sheet 10 is placed in an electric field or magnetic field environment, an electric field or magnetic field in the first direction is applied between the third sub-electrode 1511 and the fourth sub-electrode 1512, so that the two-dimensional material 16 is aligned in the first direction, and external incident light can be reflected when being incident on the two-dimensional material 16.
When the electronic answer sheet 10 is used, when a certain answer option needs to be touched, the touch sensing layer 13 detects a touch position of a user, controls the thin film transistor 17 at a corresponding position to be turned on according to the touch position of the user, writes a preset voltage input by the first power supply into the second electrode 151, that is, applies the preset voltage to the second electrode 151, specifically, the preset voltage may be simultaneously applied to the third sub-electrode 1511 and the fourth sub-electrode 1512 in the second electrode 151, a voltage difference is formed between the preset voltage of the second electrode 151 and a common voltage applied to the first electrode layer 14, so as to control the two-dimensional material 16 to be arranged along the second direction, and when external incident light R1 is incident on the two-dimensional material 16, no reflection occurs, and at this time, the touched answer option on the electronic answer sheet 10 displays black.
As shown in fig. 4, the electronic answer sheet 10 further includes a driving chip 19, the first electrode layer 14 includes a plurality of first electrodes 141 arranged at intervals, and the driving chip 19 is respectively connected to the touch sensing layer 13 and the plurality of first electrodes 141 arranged at intervals, and is configured to apply a preset voltage to the corresponding first electrode 141 at the touch position according to the touch position detected by the touch sensing layer 13.
In the third embodiment of the present invention, the display color of the answer option can be controlled by the control chip 19, and the driving chip 19 applies a preset voltage to the corresponding first electrode 141 at the touch position according to the touch position detected by the touch sensing layer 13, so that the touch position displays black, and the position not touched displays no black.
The electronic answer sheet 10 further includes a supporting structure 18, the first electrode layer 14 includes a plurality of first electrodes 141 arranged at intervals, and the supporting structure 18 is located between the touch sensing layer 13 and the second electrode layer 15.
Before using the electronic answer sheet 10, the electronic answer sheet 10 is placed in an electric field or magnetic field environment, an electric field or magnetic field is applied between the first sub-electrode 1411 and the second sub-electrode 1412 along a first direction, so that the two-dimensional material 16 is arranged along the first direction, and external incident light can be reflected when being incident on the two-dimensional material 16.
When the electronic answer sheet 10 is used, when a certain answer option needs to be touched, the touch sensing layer 13 detects a touch position of a user, the driving chip 19 applies a preset voltage to the first electrode 141 corresponding to the touch position according to the touch position detected by the touch sensing layer 13, a voltage difference is formed between the preset voltage of the first electrode 141 and a common voltage applied to the second electrode layer 15, so that the two-dimensional material 16 is controlled to be arranged along the second direction, external incident light is incident on the two-dimensional material 16 and is not reflected, and at the moment, the touched answer option on the electronic answer sheet 10 displays black.
As shown in fig. 5, the electronic answer sheet 10 further includes a driving chip 19, the second electrode layer 15 includes a plurality of second electrodes 151 disposed at intervals, and the driving chip 19 is respectively connected to the touch sensing layer 13 and the plurality of second electrodes 151 disposed at intervals, and is configured to apply a preset voltage to the corresponding second electrode 151 at the touch position according to the touch position detected by the touch sensing layer 13.
In the fourth embodiment of the present invention, the display color of the answer option can be controlled by the control chip 19, and the driving chip 19 applies a preset voltage to the corresponding second electrode 151 at the touch position according to the touch position detected by the touch sensing layer 13, so that the touch position displays black, and the position not touched displays no black.
The electronic answer sheet 10 further includes a supporting structure 18, the second electrode layer 15 includes a plurality of second electrodes 151 disposed at intervals, and the supporting structure 18 is located between the first electrode layer 14 and the second substrate 12.
Before using the electronic answer sheet 10, the electronic answer sheet 10 is placed in an electric field or magnetic field environment, an electric field or magnetic field in the first direction is applied between the third sub-electrode 1511 and the fourth sub-electrode 1512, so that the two-dimensional material 16 is aligned in the first direction, and external incident light can be reflected when being incident on the two-dimensional material 16.
When the electronic answer sheet 10 is used, when a certain answer option needs to be touched, the touch sensing layer 13 detects a touch position of a user, the driving chip 19 applies a preset voltage to the second electrode 151 corresponding to the touch position according to the touch position detected by the touch sensing layer 13, a voltage difference is formed between the preset voltage of the second electrode 151 and a common voltage applied to the first electrode layer 14, so that the two-dimensional material 16 is controlled to be arranged along the second direction, external incident light is incident on the two-dimensional material 16 without reflection, and at this time, the touched answer option on the electronic answer sheet 10 displays black.
In the fifth embodiment of the present invention, the first electrode layer 14 includes a plurality of first electrodes 141 disposed at intervals, and the second electrode layer 15 includes a plurality of second electrodes 151 disposed at intervals.
As shown in fig. 6, the electronic answer sheet 10 may include a thin film transistor 17, wherein the thin film transistor 17 is located between the second substrate 12 and the second electrode 151, and the thin film transistor 17 is respectively connected to the touch sensing layer 13 and the second electrode 151, and is configured to apply a predetermined voltage to the second electrode 151 and apply a common voltage to the corresponding first electrodes 141 when a corresponding position on the touch sensing layer 13 is touched.
Alternatively, the electronic answer sheet 10 may include the thin film transistor 17, and the thin film transistor 17 may be further located between the touch sensing layer 13 and the first electrode 141, and the thin film transistor 17 is respectively connected to the touch sensing layer 13 and the first electrode 141, and is configured to apply a predetermined voltage to the first electrode 141 and apply a common voltage to the corresponding second electrodes 151 when a corresponding position on the touch sensing layer 13 is touched.
Or, the electronic answer sheet 10 further includes a driving chip 19, and the driving chip 19 is respectively connected to the touch sensing layer 13 and the plurality of first electrodes 141 arranged at intervals, and is configured to apply a preset voltage to the corresponding first electrode 141 at the touch position according to the touch position detected by the touch sensing layer 13, and apply a common voltage to the corresponding plurality of second electrodes 151.
Or, the electronic answer sheet 10 further includes a driving chip 19, and the driving chip 19 is respectively connected to the touch sensing layer 13 and the plurality of second electrodes 151 disposed at intervals, and is configured to apply a preset voltage to the corresponding second electrode 151 at the touch position according to the touch position detected by the touch sensing layer 13, and apply a common voltage to the corresponding first electrodes 141.
As shown in fig. 6, the electronic answer sheet 10 further includes a supporting structure 18, and the supporting structure 18 is located between the touch sensing layer 13 and the second substrate 12.
In summary, when the answer item at the corresponding position on the electronic answer sheet 10 is not touched, the two-dimensional material 16 is arranged along the first direction, so that the light incident on the two-dimensional material 16 is reflected; when the answer options at the corresponding positions on the electronic answer sheet 10 are touched, the two-dimensional material 16 is arranged along the second direction, so that the light incident on the two-dimensional material 16 is not reflected.
The first direction is a direction horizontally disposed with the first substrate 11, and the second direction is a direction perpendicular to the first substrate 11.
In addition, the first electrode layer 14 and the second electrode layer 15 may be formed of ITO (Indium Tin Oxide), and when the first electrode layer 14 needs to be formed into a plurality of first electrodes 141 arranged at intervals, the first electrode layer may be formed by using processes such as exposure, development, and etching, and correspondingly, when the second electrode layer 15 needs to be formed into a plurality of second electrodes 151 arranged at intervals, the second electrode layer may be formed by using processes such as exposure, development, and etching.
In the embodiment of the present invention, the two-dimensional material refers to a material in which electrons can move freely only on a non-nanometer scale of two dimensions, and the two-dimensional material 16 may be graphene oxide.
It should be noted that, the electronic answer sheet 10 is further provided with a power module, which is used for supplying power to the electronic answer sheet 10, for example, supplying power to the driving chip 19 and the touch sensing layer 13 in the electronic answer sheet 10, when a user touches a corresponding answer option, the two-dimensional material 16 at a corresponding position is arranged along the second direction, and after the power module is turned off, the two-dimensional material 16 at the corresponding position is stably maintained in the state of being arranged along the second direction.
In the embodiment of the invention, the corresponding answer information is displayed on the electronic answer sheet according to the touch position of the user so as to provide the answer information to be collected for the electronic marking device. When the answer is needed, the corresponding answer information can be displayed by touching the answer options on the electronic answer sheet, a pencil is not needed to be uniformly smeared on the paper answer sheet, the examination time is saved, and the examination paper can be read by acquiring the answer information on the electronic answer sheet through the electronic examination paper reading device.
Example two
Referring to fig. 9, a schematic structural diagram of an electronic paper marking apparatus according to an embodiment of the present invention is shown.
The embodiment of the invention provides an electronic marking device 20, and the electronic marking device 20 comprises a collecting unit 21, and the collecting unit 21 is configured to collect answer information displayed on an electronic answer sheet 10.
The collecting unit 21 may be a camera, the electronic answer sheet 10 is photographed by the camera to form a picture, and the answer information in the picture is identified by the image identification system, so as to complete the scoring finally.
As shown in fig. 9, the electronic scoring device 20 further includes a transmission unit 22, the transmission unit 22 is configured to transmit the electronic answer sheet 10 to a position corresponding to the collecting unit 21; the electronic scoring device 20 further comprises an information elimination unit 23, the information elimination unit 23 being configured to eliminate the answer information displayed on the electronic answer sheet 10.
The information removing unit 23 is an electric field generator or a magnetic field generator, the electric field generator may be an electrode, and the magnetic field generator may be a permanent magnet.
After the user finishes answering on the electronic answer sheet 10, the collection unit 21 in the electronic marking device 20 collects the answer information on the electronic answer sheet 10, so as to complete marking, and after the marking is finished, the information elimination unit 23 in the electronic marking device 20 eliminates the answer information on the electronic answer sheet 10, specifically, an electric field or a magnetic field along a first direction is applied to the two-dimensional material 16 in the electronic answer sheet 10 through an electric field generator or a magnetic field generator.
In an embodiment of the present invention, the transmission unit 22 may be a transmission belt, one end of the transmission belt is used for placing the electronic answer sheet 10, the other end of the transmission belt is provided with the information elimination unit 23, and the collection unit 21 is located between the two ends of the transmission belt and is spaced from the transmission belt in a direction perpendicular to the transmission belt by a certain distance, so as to conveniently collect the answer information of the electronic answer sheet 10.
For example, the electronic answer sheet 10 may be placed at the left end of the conveyor belt, the information erasing unit 23 is located at the right end of the conveyor belt, and the collecting unit 21 is located at the top end of the middle portion of the conveyor belt.
When the examination paper needs to be read, the electronic answer sheet 10 is placed at the left end of the conveyor belt, the conveyor belt is controlled to convey the electronic answer sheet 10 to the position corresponding to the acquisition unit 21, the acquisition unit 21 acquires answer information displayed on the electronic answer sheet 10, after the answer information is acquired, the conveyor belt is continuously controlled to convey the electronic answer sheet 10 to the position corresponding to the information elimination unit 23, the information elimination unit eliminates the answer information displayed on the electronic answer sheet 10, and the electronic answer sheet 10 is recovered to an unused state, so that the aim of recycling is fulfilled.
It should be noted that the electronic examination paper marking device 20 in the embodiment of the present invention may only include the collecting unit 21, but not include the transmitting unit 22 and the information eliminating unit 23, when examination paper marking is required, the electronic answer sheet 10 is placed at a corresponding position, and after being aligned with the collecting unit 21, the collecting unit 21 directly collects answer information on the electronic answer sheet 10; however, by arranging the transmission unit 22, the electronic answer sheet 10 is placed on the transmission unit 22, and the transmission unit 22 can acquire the answer information displayed on the electronic answer sheet 10 by transmitting the electronic answer sheet 10 to the position corresponding to the acquisition unit 21 without aligning the electronic answer sheet 10 with the acquisition unit 21, so that the transmission unit 22 is arranged in the electronic marking device 20, which is convenient for the acquisition unit 21 to acquire the answer information, and the information elimination unit 23 is arranged to eliminate the answer information on the electronic answer sheet 10 after acquiring the answer information, which is convenient for the next time of continuing using the electronic answer sheet 10, so as to realize the reuse of the electronic answer sheet 10.
In the embodiment of the invention, the collection unit in the electronic reading device collects the answer information displayed on the electronic answer sheet, and after the user finishes answering on the electronic answer sheet, the examination paper can be read by collecting the answer information on the electronic answer sheet.
EXAMPLE III
Referring to fig. 10, a schematic structural diagram of an electronic paper marking system according to an embodiment of the present invention is shown, and fig. 11 is a top view of the electronic paper marking system according to an embodiment of the present invention.
The embodiment of the present invention further provides an electronic marking system, which includes the electronic answer sheet 10 and the electronic marking device 20.
The user can display corresponding answer information by touching the answer options on the electronic answer sheet, and after the user finishes answering on the electronic answer sheet 10, the collection unit 21 in the electronic marking device 20 collects the answer information on the electronic answer sheet 10, thereby completing the marking.
As shown in fig. 10 and 11, the electronic answer sheet 10 is placed at the left end of the transmission unit 22, the transmission unit 22 is controlled to transmit in the direction shown by the arrow, the electronic answer sheet 10 is transmitted to the position corresponding to the acquisition unit 21, the acquisition unit 21 acquires the answer information displayed on the electronic answer sheet 10, the transmission unit 22 continues to transmit in the direction shown by the arrow, the electronic answer sheet 10 is transmitted to the position corresponding to the information elimination unit 23, and the information elimination unit 23 eliminates the answer information displayed on the electronic answer sheet 10.
For the specific description of the electronic answer sheet 10, reference may be made to the description of the first embodiment, and for the specific description of the electronic marking device 20, reference may be made to the description of the second embodiment, which is not repeated herein.
In the embodiment of the invention, the electronic marking device comprises an electronic answer sheet and an electronic marking device, corresponding answer information is displayed on the electronic answer sheet according to the touch position of a user, and the answer information displayed on the electronic answer sheet is collected through a collecting unit in the electronic marking device. When the answer is needed, the corresponding answer information can be displayed by touching the answer options on the electronic answer sheet, a pencil is not needed to be uniformly coated on the paper answer sheet, the examination time is saved, and the examination reading can be completed by collecting the answer information on the electronic answer sheet through a collecting unit in the electronic answer sheet.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The electronic answer sheet, the electronic paper marking device and the electronic paper marking system provided by the invention are introduced in detail, a specific example is applied in the text to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. An electronic answer sheet is characterized in that the electronic answer sheet is configured to display corresponding answer information according to a touch position of a user so as to provide answer information to be collected for an electronic marking device;
when answer options at corresponding positions on the electronic answer sheet are not touched, the two-dimensional material is arranged along a first direction, so that light rays incident on the two-dimensional material are reflected; when answer options at corresponding positions on the electronic answer sheet are touched, the two-dimensional material is arranged along a second direction, so that light rays incident on the two-dimensional material are not reflected;
the electronic answer sheet comprises a first substrate and a second substrate which are oppositely arranged;
a touch sensing layer and a first electrode layer are sequentially arranged on one side, facing the second substrate, of the first substrate, a second electrode layer is arranged on one side, facing the first substrate, of the second substrate, and the two-dimensional material is filled between the first electrode layer and the second electrode layer;
the first electrode layer and/or the second electrode layer comprise a plurality of electrodes arranged at intervals, and each electrode corresponds to one answer option.
2. The electronic answer card of claim 1, further comprising a thin film transistor;
the first electrode layer comprises a plurality of first electrodes arranged at intervals, the thin film transistor is positioned between the touch sensing layer and the first electrodes, is respectively connected with the touch sensing layer and the first electrodes, and is configured to apply a preset voltage to the first electrodes when corresponding positions on the touch sensing layer are touched;
or the second electrode layer comprises a plurality of second electrodes arranged at intervals, the thin film transistor is located between the second substrate and the second electrodes, and the thin film transistor is respectively connected with the touch sensing layer and the second electrodes and configured to apply a preset voltage to the second electrodes when a corresponding position on the touch sensing layer is touched.
3. The electronic answer sheet of claim 1, further comprising a driving chip;
the first electrode layer comprises a plurality of first electrodes arranged at intervals, the driving chip is respectively connected with the touch sensing layer and the plurality of first electrodes arranged at intervals and is configured to apply preset voltage to the corresponding first electrode at the touch position according to the touch position detected by the touch sensing layer;
or the second electrode layer comprises a plurality of second electrodes arranged at intervals, the driving chip is respectively connected with the touch sensing layer and the plurality of second electrodes arranged at intervals, and is configured to apply a preset voltage to the second electrode corresponding to the touch position according to the touch position detected by the touch sensing layer.
4. The electronic answer sheet according to claim 2 or 3, further comprising a support structure;
the first electrode layer comprises a plurality of first electrodes arranged at intervals, and the supporting structure is positioned between the touch sensing layer and the second electrode layer;
or, the second electrode layer includes a plurality of second electrodes disposed at intervals, and the support structure is located between the first electrode layer and the second substrate.
5. The electronic answer card of claim 1, wherein the two-dimensional material is graphene oxide.
6. An electronic marking device, which is applied to the electronic answer sheet of any one of claims 1 to 5, and comprises a collecting unit;
the acquisition unit is configured to acquire answer information displayed on the electronic answer sheet.
7. The electronic scoring device according to claim 6, characterized in that it further comprises a transfer unit;
the transmission unit is configured to transmit the electronic answer sheet so as to transmit the electronic answer sheet to a position corresponding to the acquisition unit.
8. The electronic scoring device according to claim 6, characterized in that the electronic scoring device further comprises an information elimination unit;
the information eliminating unit is configured to eliminate the answer information displayed on the electronic answer sheet.
9. An electronic scoring system, comprising an electronic answer sheet according to any one of claims 1-5 and an electronic scoring device according to any one of claims 6-8.
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| CN201810752386.XA CN109085947B (en) | 2018-07-10 | 2018-07-10 | Electronic answer sheet, electronic paper marking device and electronic paper marking system |
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| CN201810752386.XA CN109085947B (en) | 2018-07-10 | 2018-07-10 | Electronic answer sheet, electronic paper marking device and electronic paper marking system |
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