CN207416347U - Automatic-turning-page device and books filming apparatus - Google Patents
Automatic-turning-page device and books filming apparatus Download PDFInfo
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- CN207416347U CN207416347U CN201721526761.6U CN201721526761U CN207416347U CN 207416347 U CN207416347 U CN 207416347U CN 201721526761 U CN201721526761 U CN 201721526761U CN 207416347 U CN207416347 U CN 207416347U
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Abstract
The utility model provides a kind of automatic-turning-page device and books filming apparatus, is related to reading device technical field.The automatic-turning-page device includes first support, page turning mechanism, the first friction page turning mechanism, the second friction page turning mechanism and control chip, it can be by the way that the spine of the books of reading be placed in the groove of first support, first friction lever and the second friction lever can be separated the page of the top layer of books left or right side with other pages by rotation, page turning bar can be by stirring separated page, the page in left side is toggled it into right side, or the page on right side is toggled it into left side, it realizes and books page is stirred.The automatic-turning-page device can not only shelve books, can also realize and page is stirred, simple in structure without manually carrying out stirring for page, easy to be easy-to-use.
Description
Technical field
The utility model is related to reading device technical fields, are shot in particular to a kind of automatic-turning-page device and books
Device.
Background technology
When being read to books, it usually needs manually carry out the operation of books page turning, turned over for a long time in some needs
The reading occasion of page or the user for inconvenient progress page turn over operation, the user experience for manually carrying out page turn over operation are poor.
Utility model content
In view of this, the utility model provides a kind of automatic-turning-page device and books filming apparatus, can realize automatically into
The operation of row page turning.
The technical scheme that the utility model is provided is as follows：
A kind of automatic-turning-page device based on speech recognition, including first support, page turning mechanism, the first friction page turning mechanism,
Second friction page turning mechanism and control chip；
Offer to place the groove of the spine of books in the first support；
The page turning mechanism is arranged in the first support, and the page turning mechanism is arranged on one end of the groove, should
Page turning mechanism includes page turning motor and the page turning bar with the output axis connection of the page turning motor；
The first friction page turning mechanism and the second friction page turning mechanism are arranged in the first support, and described first rubs
It wipes page turning mechanism and the second friction page turning mechanism is separately positioned on the opposite sides of the groove extending direction；
The first friction page turning mechanism includes the first driving motor and the output axis connection with first driving motor
The first friction lever, the one end of first friction lever away from first driving motor for opened with the books when one side
Page friction；
The second friction page turning mechanism includes the second driving motor and the output axis connection with second driving motor
The second friction lever, the one end of second friction lever away from second driving motor for opened with the books when it is another
The page friction of side；
The control chip is connected with the page turning motor, the first driving motor and the second driving motor, for controlling
State page turning motor, the second driving motor and the operating of the second driving motor.
Further, second support is further included, the one side of the second support and the one side of the first support are rotatable
Connection, so that the first support and second support are retractable.
Further, the sound pick-up being connected with the control chip is further included, the sound pick-up is used to collect phonetic order,
So that the control chip controls the page turning motor, the second driving motor and the second driving motor to transport according to the phonetic order
Turn.
Further, the sliding block that can be slided along the groove is provided in the groove, the sliding block can be along the groove
It slides or is fixed in the groove.
Further, power module is further included, which is used to provide electric energy for the automatic-turning-page device.
Further, the light modules being arranged in the first support are further included.
Further, page-turning button is additionally provided in the first support, the page-turning button is connected with the control, used
In reception page-turning instruction input by user.
Further, it is provided with to accommodate the first sliding groove of the first friction page turning mechanism in the first support,
The first friction page turning mechanism can be slided along the first sliding groove.
Further, it is provided with to accommodate the second sliding slot of the second friction page turning mechanism in the first support,
The second friction page turning mechanism can be slided along second sliding slot.
The utility model additionally provides a kind of books filming apparatus, including above-mentioned automatic-turning-page device and is arranged on described
Camera in first support, the camera are placed on the content of the books in the first support for shooting.
Automatic-turning-page device provided by the embodiments of the present application includes first support, page turning mechanism, the first friction page turning mechanism, the
Two friction page turning mechanisms and control chip, can by the way that the spine of the books of reading is placed in the groove of first support, the
One friction lever and the second friction lever can be separated the page of the top layer of books left or right side with other pages by rotation,
The page in left side can be toggled it to right side or page by right side by page turning bar by being stirred to separated page
Left side is toggled it to, realizes and books page is stirred.The automatic-turning-page device can not only shelve books, can also realize to page
Stir, it is simple in structure without manually carrying out stirring for page, it is easy to be easy-to-use.
For the above-mentioned purpose of the utility model, feature and advantage is enable to be clearer and more comprehensible, preferred embodiment cited below particularly, and
Attached drawing appended by cooperation, is described in detail below.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of schematic diagram for automatic-turning-page device that the utility model embodiment provides.
Fig. 2 is a kind of schematic diagram for automatic-turning-page device that the utility model embodiment provides.
Fig. 3 is the schematic diagram for another automatic-turning-page device that the utility model embodiment provides.
Fig. 4 is the schematic diagram for another automatic-turning-page device that the utility model embodiment provides.
Fig. 5 is the schematic diagram for another automatic-turning-page device that the utility model embodiment provides.
Icon：10- automatic-turning-page devices；101- first supports；111- grooves；112- sliding blocks；113 the first sliding grooves；114-
Two sliding slots；102- page turning mechanisms；121- page turning motors；122- page turning bars；The friction page turning mechanisms of 103- first；131- first drives
Motor；The first friction levers of 132-；The friction page turning mechanisms of 104- second；The second driving motors of 141-；The second friction levers of 142-；105-
Light modules；106- page-turning buttons；201- second supports.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole realities
Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of configurations
Arrangement and design.Therefore, the detailed description of the embodiment of the utility model provided in the accompanying drawings is not intended to limit below
Claimed the scope of the utility model, but it is merely representative of the selected embodiment of the utility model.Based on the utility model
Embodiment, those skilled in the art's all other embodiments obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.It is meanwhile new in this practicality
In the description of type, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
The embodiment of the present application provides a kind of automatic-turning-page device 10, as depicted in figs. 1 and 2, including first support 101, turns over
Page mechanism 102, first friction page turning mechanism 103, second friction page turning mechanism 104 and control chip.
Offer to place the groove 111 of the spine of books in the first support 101.
The shape of first support 101 can be tabular, groove 111 be opened up in the first support 101, for accommodating book
The spine of nationality, the length of groove 111 can be determined according to the length of the spine of books, in order to accommodate the figure of different size
Book, the length of groove 111 could be provided as the match specifications with larger books.As shown in figure 3, in the groove 111 also
Sliding block 112 can be set, which can slide along the groove 111, and elastic clamping block, groove can be set on sliding block 112
Multiple and elastic clamping block card slot can be set on 111, and elastic clamping block can be connected in card slot, make sliding block 112 and groove 111
It is relatively fixed.When needing to place smaller books, position that can be by adjusting sliding block 112 in groove 111 makes sliding block
112 and the distance between one end of groove 111 match with the smaller books, the spine of books is fixed using sliding block 112
In groove 111, the page turning mechanism 102 be arranged in the first support 101, the page turning mechanism 102 is arranged on described
One end of groove 111, the page turning mechanism 102 include page turning motor 121 and are turned over the output axis connection of the page turning motor 121
Page bar 122.Page turning structure can control the rotation of page turning bar 122 by page turning motor 121, realize and page is stirred.
The first friction page turning mechanism 103 and second friction page turning mechanism 104 is arranged in the first support 101,
The first friction page turning mechanism 103 and second friction page turning mechanism 104 is separately positioned on the phase of 111 extending direction of groove
To both sides.
The first friction page turning mechanism 103 includes the first driving motor 131 and defeated with first driving motor 131
Go out the first friction lever 132 of axis connection, the one end of first friction lever 132 away from first driving motor 131 be used for
The page friction of one side when the books are opened.
The second friction page turning mechanism 104 includes the first driving motor 131 and defeated with second driving motor 141
Go out the second friction lever 142 of axis connection, the one end of second friction lever 142 away from second driving motor 141 be used for
The page friction of opposite side when the books are opened.
First friction page turning mechanism 103 is identical with the structure of the second friction page turning mechanism 104, the first friction page turning mechanism
103 can be arranged on the top of left page when books are opened, and the first friction lever 132 can be in the first driving motor 131
The lower rotation of driving, the one end of the first friction lever 132 away from the first driving motor 131 can be in contact with the page of books, the
When one driving motor 131 rotates, the first friction lever 132 can rotate counterclockwise under the drive of the first driving motor 131.It is inverse
First friction lever 132 of hour hands rotation can apply the strength stirred to the right, position to page with the page friction being in contact
Under drive of the uppermost page in the first friction lever 132, it is possible to be separated with other pages.In actual use,
It can be arranged on when often receiving a page-turning instruction, the first driving motor 131 can rotate by a certain angle counterclockwise so that
The page friction that one friction lever 132 can will be in contact makes it, into more air, make most upper between other pages
The page in face is separated with other pages.
Similar, the second friction page turning mechanism 104 can be arranged on the top of right page when books are opened, and second drives
The direction of rotation of dynamic motor 141 is with the direction of rotation of the first driving motor 131 on the contrary, the second driving motor 141 can be clockwise
Rotation, can drive the second friction lever 142 to rotate clockwise.The operation principle of second friction lever 142 and the second friction lever 142
Operation principle is similar, but direction of rotation is opposite.When receiving a page-turning instruction, second drives second friction page turning mechanism 104
Dynamic motor 141 rotates clockwise certain angle, and the second friction lever 142 is driven to rotate clockwise, it is separate to give the second friction lever 142
The page that one end of second driving motor 141 is in contact applies the strength stirred to the left, connects with the second friction lever 142
Tactile page can separate under the driving of this strength with other pages, make between uppermost page and other pages into
Enter air.
Page structure or the second friction page turning mechanism 104 are wiped by the page friction of the left or right side of open books first
Get up after being separated with other pages, page turning motor 121 can rotate control page turning bar 122 and rotate, and page turning bar 122 can rotate
It enters between the page of phase separation, then the page in left side is toggled it to by right side by rotation or stirs the page on right side
To left side.
The control chip is connected with the page turning motor 121, the first driving motor 131 and the second driving motor 141, is used
It is operated in controlling the page turning motor 121, the first driving motor 131 and the second driving motor 141.Control chip can be according to control
The difference of system instruction controls corresponding driving mechanism operating.
In a kind of specific embodiment, as shown in figure 4, the automatic-turning-page device 10 further includes second support 201, described
The one side of two stents 201 and the one side of the first support 101 are rotatably connected, so that the first support 101 and second
Frame 201 is retractable.In use, first support 101 can be placed on desktop or other platforms, it would be desirable to the book of reading
The spine of nationality is placed in groove 111, it would be desirable to which the page of reading is opened.By controlling the position of the first friction lever 132, make the
One friction lever 132 is contacted with the page on the left of open books, while by adjusting the position of the second friction lever 142, makes second
Friction lever 142 is contacted with the page on the right side of open books.But such occupation mode causes books that can only place in the plane,
There is certain influence on reading experience.By setting second support 201, second support 201 can be by that can consolidate with first support 101
Determine shaft connection so that the folding angle between first support 101 and second support 201 can be adjusted, and can meet different angles
The reading of degree.In addition, in second support 201 or supporting rod can be set, the supporting rod can between first close to second
The one side of stent 201 is supported, and by adjusting the position that supporting rod is contacted with first support 101, adjusts 101 He of first support
Folding angle between second support 201 makes the reading angle that first support 101 provides variable.
In another embodiment specific implementation mode, which further includes the pickup being connected with the control chip
Device, the sound pick-up is for collecting phonetic order, so that the control chip controls the page turning electricity according to the phonetic order
Machine 121, the second driving motor 141 and the second driving motor 141 operate.
Sound pick-up can receive the voice of user, and voice can be identified the instruction of definite user speech in control chip
Meaning, for example, the corresponding control life of instructions such as " turning over one page forward " " turning over one page backward " " returning N pages forward " can be preset
Order.When control instruction is " turning over one page forward ", the second driving motor 141 can first be controlled to rotate, the second friction lever 142 is the
Under the driving of two driving motors 141, certain angle is rotated clockwise, with the page that the second friction lever 142 contacts in the second friction
Under the rubbing action of bar 142, uppermost page is separated with other pages.At this point, page turning motor 121 is controlled to rotate again, page turning
Bar 122 first rotates clockwise certain angle under the driving of page turning motor 121, and one end of page turning bar 122 is made to enter the books right side
Side, between separated page.Page turning motor 121 is controlled to rotate clockwise the angle of a bigger again, stirs page turning bar 122
Separated page stirs on the left of books.Page on right side is struck to after left side, the first driving positioned at left side
Motor 131 drives the first friction lever 132 to rotate clockwise certain angle, and the first friction lever 132 is made to move a certain distance to the left,
The page just stirred is made not fall above the first friction lever 132, treats the book in the page and left side stirred from right side
After page is in contact, the first driving motor 131 rotates by a certain angle counterclockwise again, 132 homing of the first friction lever is driven, by a left side
The page of side is pushed down, and completes the operation for once " turning over one page forward ".
In addition, the automatic-turning-page device 10 can also be pre-configured with the function of number of pages calibration, controlling can deposit in chip in advance
The number of pages data of books are stored up, by inputting phonetic order or passing through calibration knob so that the number of pages number stored in control chip
According to increasing or decreasing.
In order to improve the rubbing action of the first friction lever 132 and the second friction lever 142, first friction lever 132 is separate
One end of first driving motor 131 can be provided with soft material, and the second friction lever 142 is away from the second driving motor 141
One end soft material can also be set.Soft material can select other materials larger with paper frictional force such as rubber, make
The first friction lever 132 and the second friction lever 142 are obtained when rubbing with paper, frictional force bigger easier can will be located at most
The page on upper strata is separated with other pages.
The automatic-turning-page device 10 can also include power module, which is used to provide electricity for the automatic-turning-page device 10
Energy.Power module can include attaching plug, can be connected with other power supply units, the work for automatic-turning-page device 10 provides electricity
Energy.Power module can also include rechargeable battery, and the electric energy stored using rechargeable battery is provided for the work of automatic-turning-page device 10
Electric energy, rechargeable battery can be used with recharge, and the use occasion for making the automatic-turning-page device 10 is more flexible.
Again as shown in figure 4, in order to meet the requirement for not having to occasion, the automatic-turning-page device 10 further include be arranged on it is described
Light modules 105 in first support 101.Light modules 105 may provide the user with light, meet it in the poor field of light
The reading of conjunction needs.
In another embodiment specific implementation mode, page-turning button 106, the page turning are additionally provided in the first support 101
Button 106 is connected with the control chip, for receiving page-turning instruction input by user.Page-turning button 106 can be physics by
Key or touch-screen, user can input page-turning instruction by page-turning button 106.Page-turning button 106 can include Page forward
The input of different page-turning instructions by pressing different page-turning buttons 106, is realized in button 106 and backward page-turning button 106.
As shown in figure 5, in actual use, books it is of different sizes, in order to make different size of books that can be adapted to
The automatic-turning-page device 10 is provided in the first support 101 to accommodate the first of the first friction page turning mechanism 102 and slide
Slot 113, the first friction page turning mechanism 102 can be slided along the first sliding groove 113.It is set in the first support 101 useful
In accommodate it is described second friction page turning mechanism 102 the second sliding slot 114, it is described second friction page turning mechanism 102 can along this second
Sliding slot 114 slides.By adjusting position of the first friction page turning mechanism 103 in the first sliding groove 113, the first friction can be adjusted
The position that bar 132 is contacted with the page of books, by adjusting the second position of the friction page turning mechanism 104 in the second sliding slot 114,
The position that the second friction lever 142 is contacted with the page of books can be adjusted.It, can be by the first friction when the books of reading are smaller
Page turning mechanism 103 is slided to close to the direction of page turning mechanism 102, while by the second friction page turning mechanism 104 to close to page-turning machine
It slides in the direction of structure 102.When the paper of the books of reading is larger, if still maintaining the first friction page turning mechanism 103 and
The position of two friction page turning mechanisms 104 is constant, it is possible that the first friction lever 132 or the second friction lever 142 cannot be smoothly
The page of top layer is separated with other pages.At this point it is possible to it is turned over by adjusting the first friction friction of page turning mechanism 103 and second
The position of page mechanism 104 makes the books that are located closer to of the first friction lever 132 and the second friction lever 142 and the contact of page
Edge makes the first friction lever 132 and the second friction lever 142 during exercise can the easier page by top layer and other books
Page separates, and improves the success rate of page turning.
Automatic-turning-page device 10 provided by the embodiments of the present application, can be by being placed on first by the spine of the books of reading
In the groove 111 of frame 101, the first friction lever 132 and the second friction lever 142 can be by books left or right sides most by rotation
The page on upper strata is separated with other pages, and page turning bar 122 can be by stirring separated page, by the page in left side
It toggles it to right side or the page on right side is toggled it into left side, realize and books page is stirred.The automatic-turning-page device 10 is not only
Books can be shelved, can also realize and page is stirred, it is simple in structure without manually carrying out stirring for page, it is easy to be easy-to-use.
The embodiment of the present application additionally provides a kind of books filming apparatus, including above-mentioned automatic-turning-page device 10 and is arranged on institute
The camera in first support 101 is stated, which is placed on the content of the books in the first support 101 for shooting.
The books filming apparatus can realize the shooting to page content, nothing by the cooperation of above-mentioned automatic-turning-page device 10 and camera
It is shot again after needing the manual page turning one by one of manpower, it is more efficient to the electronic disposal of books.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modifications, equivalent replacements and improvements are made should be included within the scope of protection of this utility model.It should be noted that
It arrives：Similar label and letter represents similar terms in following attached drawing, therefore, once determined in a certain Xiang Yi attached drawing
Justice further need not then be defined and explained to it in subsequent attached drawing.
The above is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, in the technical scope that any one skilled in the art discloses in the utility model, variation can be readily occurred in
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be described with power
Subject to the protection domain of profit requirement.
Claims (10)
1. a kind of automatic-turning-page device, which is characterized in that rub including first support, page turning mechanism, the first friction page turning mechanism, second
Wipe page turning mechanism and control chip；
Offer to place the groove of the spine of books in the first support；
The page turning mechanism is arranged in the first support, and the page turning mechanism is arranged on one end of the groove, the page turning
Mechanism includes page turning motor and the page turning bar with the output axis connection of the page turning motor；
The first friction page turning mechanism and the second friction page turning mechanism are arranged in the first support, and first friction is turned over
Page mechanism and the second friction page turning mechanism are separately positioned on the opposite sides of the groove extending direction；
The first friction page turning mechanism include the first driving motor and with the output axis connection of first driving motor the
One friction lever, the book of one side when the one end of first friction lever away from first driving motor is used to open with the books
Page friction；
The second friction page turning mechanism include the second driving motor and with the output axis connection of second driving motor the
Two friction levers, the opposite side when one end of second friction lever away from second driving motor is used to open with the books
Page friction；
The control chip is connected with the page turning motor, the first driving motor and the second driving motor, for controlling described turn over
Page motor, the second driving motor and the operating of the second driving motor.
2. automatic-turning-page device according to claim 1, which is characterized in that second support is further included, the second support
One side and the one side of the first support are rotatably connected, so that the first support and second support are retractable.
3. automatic-turning-page device according to claim 1, which is characterized in that further include the pickup being connected with the control chip
Device, the sound pick-up is for collecting phonetic order, so that the control chip controls the page turning electricity according to the phonetic order
Machine, the second driving motor and the operating of the second driving motor.
4. automatic-turning-page device according to claim 1, which is characterized in that being provided in the groove can slide along the groove
Dynamic sliding block, the sliding block can be slided along the groove or be fixed in the groove.
5. automatic-turning-page device according to claim 1, which is characterized in that further include power module, which is used for
Electric energy is provided for the automatic-turning-page device.
6. automatic-turning-page device according to claim 1, which is characterized in that further include the lamp being arranged in the first support
Optical module.
7. automatic-turning-page device according to claim 1, which is characterized in that be additionally provided in the first support page turning by
Button, the page-turning button is connected with the control, for receiving page-turning instruction input by user.
8. according to the automatic-turning-page device described in claim 1 to 7 any one, which is characterized in that set in the first support
It is useful for accommodating the first sliding groove of the first friction page turning mechanism, the first friction page turning mechanism can be slided along the first sliding groove
It is dynamic.
9. according to the automatic-turning-page device described in claim 1 to 7 any one, which is characterized in that set in the first support
It is useful for accommodating the second sliding slot of the second friction page turning mechanism, the second friction page turning mechanism can be slided along second sliding slot
It is dynamic.
10. a kind of books filming apparatus, which is characterized in that including the automatic-turning-page device described in claim 1 to 9 any one,
And the camera in the first support is arranged on, which is placed on the interior of the books in the first support for shooting
Hold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721526761.6U CN207416347U (en) | 2017-11-15 | 2017-11-15 | Automatic-turning-page device and books filming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721526761.6U CN207416347U (en) | 2017-11-15 | 2017-11-15 | Automatic-turning-page device and books filming apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207416347U true CN207416347U (en) | 2018-05-29 |
Family
ID=62305169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721526761.6U Expired - Fee Related CN207416347U (en) | 2017-11-15 | 2017-11-15 | Automatic-turning-page device and books filming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207416347U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995431A (en) * | 2018-07-27 | 2018-12-14 | 河南教育学院 | The music easel of automatic page turning |
| CN110556088A (en) * | 2019-09-10 | 2019-12-10 | 河南理工大学 | Piano is played with music stand that can turn over page or leaf intelligently |
| CN111524403A (en) * | 2020-05-08 | 2020-08-11 | 黑龙江工业学院 | Foreign language learning interaction platform and method based on campus big data |
| CN114246420A (en) * | 2021-12-13 | 2022-03-29 | 罗谢明 | Intelligence chinese reading bookshelf |
-
2017
- 2017-11-15 CN CN201721526761.6U patent/CN207416347U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995431A (en) * | 2018-07-27 | 2018-12-14 | 河南教育学院 | The music easel of automatic page turning |
| CN110556088A (en) * | 2019-09-10 | 2019-12-10 | 河南理工大学 | Piano is played with music stand that can turn over page or leaf intelligently |
| CN111524403A (en) * | 2020-05-08 | 2020-08-11 | 黑龙江工业学院 | Foreign language learning interaction platform and method based on campus big data |
| CN111524403B (en) * | 2020-05-08 | 2022-01-28 | 黑龙江工业学院 | Foreign language learning interaction platform and method based on campus big data |
| CN114246420A (en) * | 2021-12-13 | 2022-03-29 | 罗谢明 | Intelligence chinese reading bookshelf |
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