CN111387709A

CN111387709A - Intelligence children study table

Info

Publication number: CN111387709A
Application number: CN202010356207.8A
Authority: CN
Inventors: 王献勇; 肖建龙; 李宝明; 吴祥红; 张志佳
Original assignee: Liaocheng Haishibao Furniture Co ltd
Current assignee: Liaocheng Haishibao Furniture Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-07-10

Abstract

The invention belongs to the field of children learning equipment, and particularly relates to an intelligent children learning table which comprises a desk assembly and a bookshelf assembly arranged above the desk assembly, wherein the bookshelf assembly is provided with a book holder assembly and an L ED illuminating lamp, the book holder assembly and the L ED illuminating lamp are arranged on the book holder assembly through an intelligent expansion bracket, the intelligent expansion bracket comprises a fixed seat and a first connecting rod, the fixed seat is fixed on the bookshelf assembly, the first connecting rod is hinged with the fixed seat, one end, far away from the fixed seat, of the first connecting rod is hinged with a second connecting rod, one end, far away from the first connecting rod, of the second connecting rod is hinged with a connecting seat, and the connecting seat is detachably and fixedly connected with the book holder assembly and the L ED illuminating lamp.

Description

Intelligence children study table

Technical Field

The invention belongs to the field of children learning equipment, and particularly relates to an intelligent children learning table.

Background

The study desk is a tool made by deep research of three subjects of human engineering, human mechanics and human physiology, and through countless data acquisition, experiment and demonstration by combining human visual principle, coloristics, psychology and the like, and the study desk and the traditional desk are two completely different concepts.

The existing learning table can generally meet the learning functions of children, such as inclined table plate and height lifting, and for example, when the illumination is insufficient during learning, a table lamp needs to be added or an indoor lamp needs to be turned on for illumination, so that the learning can be met. However, the desk lamp is placed at a small learning desk, occupies a lot of positions, is not easy to store when not used, and opens an indoor lamp, so that the illumination cannot meet the learning requirement, and when the light of the existing desk lamp is adjusted, the existing desk lamp needs to be manually adjusted, so that children are often required to get up, and the learning efficiency of the children is further influenced. Or like the existing book end, the extension and retraction are controlled by a mechanical structure, and the adjustment of the book end or the desk lamp may affect the safety of the child due to the effective height of the child, so that the intelligent learning desk for the child is provided to realize the automatic adjustment of the book end and the desk lamp, which is very urgent.

Disclosure of Invention

Aiming at the technical problem that potential safety hazards exist in the existing children learning table, the invention provides the intelligent children learning table which is reasonable in design, simple in structure and low in cost and can realize automatic adjustment of book clamps and desk lamps.

In order to achieve the above purpose, the invention adopts the technical scheme that the invention provides an intelligent children learning desk, which comprises a desk assembly and a bookshelf assembly arranged above the desk assembly, wherein the bookshelf assembly is provided with a book end assembly and an L ED illuminating lamp, the book end assembly and a L ED illuminating lamp are arranged on the book end assembly through an intelligent expansion bracket, the intelligent expansion bracket comprises a fixed seat fixed on the bookshelf assembly and a first connecting rod hinged with the fixed seat, one end of the first connecting rod, far away from the fixed seat, is hinged with a second connecting rod, one end of the second connecting rod, far away from the first connecting rod, is hinged with a connecting seat, the connecting seat is detachably and fixedly connected with the book end assembly and the L ED illuminating lamp, the fixed seat is hinged with the first connecting rod, and the first connecting rod, the second connecting rod and the connecting seat are hinged with the connecting seat through a micro-motor damping shaft, and the desk is further provided with a control assembly for controlling the micro-motor damping shaft.

Preferably, the L ED light includes the lampshade epitheca and sets up the lamp shade inferior valve of a style of calligraphy casing form with the cooperation of lampshade epitheca, be provided with L ED lamp area in the lamp shade inferior valve, be provided with the left side of symmetry setting on the lamp shade inferior valve and cover the bare board with the right side, be provided with the sensor between left side cover bare board and the right side cover bare board, sensor and control assembly electric connection.

As preferred, the book end assembly is including being double-layered book panel and double-layered book bottom plate that box body form cooperation set up, the both sides of double-layered book panel still are provided with left side fly leaf and right side fly leaf, the scalable setting in the both sides of double-layered book panel of left side fly leaf and right side fly leaf, one side that double-layered book panel was kept away from to left side fly leaf is provided with left book end, one side that double-layered book panel was kept away from to right side fly leaf is provided with right book end, right book end sets up the right side at double-layered book panel through the right side fly leaf, left side book end is rotatable to be fixed on the left side fly leaf, right book end is.

Preferably, the left side fly leaf and the right side fly leaf pass through the scalable setting in the both sides of double-layered book panel of synchronous telescoping mechanism assembly, synchronous telescoping mechanism is including installing the flexible motor of locating at double-layered book bottom plate central point, installing at the driving gear of flexible motor output shaft, with the driven left rack of driving gear upper end meshing, with the driven right rack of driving gear lower extreme meshing, wherein, driven left rack and left side fly leaf fixed connection, driven right rack and right side fly leaf fixed connection.

Preferably, the desk assembly includes desktop assembly and symmetry and sets up left lift foot assembly and the right lift foot assembly in desktop assembly bottom, left side lift foot assembly and right lift foot assembly all include fixed foot and suit at the lift pin of fixed foot, lift pin and desktop assembly fixed connection, the lift pin liftable sets up in fixed foot.

Preferably, the lifting pin is arranged in the fixing pin in a lifting manner through a lifting mechanism, the lifting mechanism comprises a lifting screw rod arranged in the lifting pin and a screw nut sleeved on the lifting screw rod, the screw nut is fixed in the fixing pin, a gearbox used for controlling the rotation of the lifting screw rod is arranged at the top of the lifting screw rod, and the gearbox is fixed at the top of the lifting pin.

Preferably, the gearbox includes the gearbox box and sets up the initiative output shaft in the gearbox box, the initiative output shaft rotates and sets up in the gearbox box, the one end of initiative output shaft is provided with the initiative bevel pinion, still be provided with driven bevel pinion in the gearbox box, initiative bevel pinion and driven bevel pinion intermeshing set up, driven bevel pinion and the coaxial fixed setting of elevating screw, the setting of gearbox box is run through to the initiative output shaft, the one end that the initiative bevel pinion was kept away from to the initiative output shaft is connected with actuating mechanism.

Preferably, two ends of the driving output shaft penetrate through the gearbox body, and a transmission rod is arranged between the two driving output shafts.

Compared with the prior art, the invention has the advantages and positive effects that,

1. the intelligent children learning desk provided by the invention avoids the trouble of independently arranging lighting equipment such as a desk lamp, meanwhile, the desk is provided with the intelligent book holder, so that books in the children learning process have a proper storage and reading position, the reading visual distance of the books can be intelligently adjusted in the use process, the lighting angle, the height and the angle are intelligently adjusted, and the children healthy learning is really realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an intelligent child learning table provided in embodiment 1;

fig. 2 is a schematic structural diagram of an intelligent expansion bracket provided in embodiment 1;

FIG. 3 is an exploded view of the micro-motor damper shaft provided in example 1;

fig. 4 is a schematic structural view of an L ED illumination lamp provided in embodiment 1;

FIG. 5 is a schematic structural view of the book holder assembly provided in example 1;

FIG. 6 is a schematic view of the structure of the book holder assembly with the book holding panel removed according to embodiment 1;

fig. 7 is a schematic structural view of the lifting mechanism provided in embodiment 1;

fig. 8 is a schematic structural view of a transmission provided in embodiment 1;

in the figures, 1, a desk assembly, 11, a desktop assembly, 12, a left lifting foot assembly, 13, a right lifting foot assembly, 14, a fixed foot, 15, a lifting pin, 2, a bookshelf assembly, 3, L ED illuminating lamps, 31, a lampshade upper shell, 32, a lampshade lower shell, 33, a left covering light plate, 34, a right covering light plate, 35, a sensor, 4, a book clamp assembly, 41, a book clamping panel, 42, a book clamping bottom plate, 43, a left movable plate, 44, a right movable plate, 45, a left book clamp, 46, a right book clamp, 47, a synchronous telescopic mechanism, 471, a telescopic motor, 472, a driving gear, 473, a driven left rack, 474, a driven right rack, 5, an intelligent telescopic frame, 51, a fixed seat, 52, a first connecting rod, 53, a second connecting rod, 54, 6, a driving micro-motor damping shaft, 61, a rotating shaft shell, 62, a rotor, 63, a stator, 64, a sealing cover, 65, a convex rib, a torque box, 67, a damping block 68, a torque control screw rod, a flexible control screw rod, a flexible detection screw rod, a detection mechanism, a detection.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 8, this embodiment aims to provide an intelligent children learning table, so as to achieve the purposes of reducing the occupied space of a desk lamp and a book holder and achieving intelligent operation, and for this purpose, the intelligent children learning table provided in this embodiment includes a desk assembly and a bookshelf assembly disposed above the desk assembly.

The bookshelf assembly comprises a left side plate, a right side plate, a layer plate, a back plate assembly and a drawer, wherein the left side plate and the right side plate are aligned oppositely and are both positioned above the desktop assembly and are respectively fixedly arranged relative to the desktop assembly, one end of the length of the back plate assembly is vertically and fixedly connected with the rear edge of the left side plate, and the other end of the length of the back plate assembly is vertically and fixedly connected with the rear edge of the right side plate. Plywood length one end and the perpendicular fixed connection of left side face, the length other end and the perpendicular fixed connection of right side face. The back plate assembly comprises a back plate, a lamp holder book clamp holder connecting seat and a magnetic plate. The above structure is a common structure arrangement, and may be different, and since the structure does not belong to the position of improvement in the present embodiment, detailed description is not given in the present embodiment.

In order to reduce occupied space, and meanwhile, intelligent telescopic adjustment is realized, in the embodiment, the book holder assembly and the L ED illuminating lamp are arranged on the book holder assembly through an intelligent expansion bracket, specifically, the intelligent expansion bracket comprises a fixed seat and a first connecting rod, the fixed seat is fixed on the book holder assembly, the first connecting rod is hinged to the first connecting rod, the end, far away from the fixed seat, of the second connecting rod is hinged to the connecting seat, the connecting seat is detachably and fixedly connected with the book holder assembly and the L illuminating lamp, the fixed seat is connected with the first connecting rod, the first connecting rod and the second connecting rod are hinged to the connecting seat through a micro-motor damping shaft, the second connecting rod and the connecting seat form a conventional four-section hinged rod structure, the micro-motor damping shaft is arranged at the hinged position of the fixed seat, the micro-motor damping shaft is controlled to rotate, and accordingly, the intelligent telescopic control of the ED 2 illuminating lamp and the connecting seat are controlled mechanically.

In the embodiment, the control assembly comprises an intelligent control electronic board, a touch key board and an infrared sensor module, the intelligent control electronic board is provided with an L ED illuminating lamp driving output module, a bookshelf assembly driving output module, a power input end, N motor output ends and N control trigger ends, the control trigger ends comprise a power key, an infrared starting key, an illumination key, a color temperature key, a learning mode key, a lamp holder telescopic key and a book holder telescopic key, the lamp holder telescopic key is provided with a high key, an extending key and a flat key, the book holder telescopic key is provided with a high key, an extending key and a facing key, and the control is to simply control the micro motor and the L ED illuminating lamp, which belongs to the existing mature technology, so related circuit diagrams are not provided in the embodiment.

In order to better control an L ED lighting lamp and a bookshelf assembly, in this embodiment, a special micro-motor damping shaft is further provided, which includes a rotating shaft housing and a micro-motor assembly sleeved on a dual output shaft of the rotating shaft housing, in this embodiment, the rotating shaft housing is in a circular tube shape, the micro-motor assembly is a micro-motor assembly with dual output shafts, and like an existing motor, the micro-motor assembly provided in this embodiment includes a dual output shaft rotor and a stator sleeved outside the dual output shaft rotor, the stator is fixedly connected with the rotating shaft housing, and specifically, a fixing ring is provided in the rotating shaft housing to sleeve the micro-motor assembly in the rotating shaft housing.

The damping block is connected to two ends of the micro motor assembly, in this embodiment, the damping block is a hexagonal fixed block, a placing groove is arranged on the damping block, the placing groove is used for placing a micro torque force detection probe for detecting torque force change of the damping block, the micro torque force detection probe can be a probe on a conventional torque force detector, in this embodiment, the micro torque force detection probe is a metal resistance strain gauge, and the metal resistance strain gauge is an element for measuring strain. It can convert the change of strain on the mechanical member into a change of resistance. The wire is made by winding constantan wire or nickel-chromium wire with the diameter of 0.02-0.05 mm into a grid shape (or corroding the wire into the grid shape by using a thin metal foil) and clamping the grid shape in two layers of insulating sheets (substrates), and a tinned copper wire is connected with a strain gauge wire grid to be used as a strain gauge lead wire and used for connecting a measuring lead. Thus, when the damping block rotates, the metal resistance strain gauge changes to a certain extent, and the resistance changes accordingly. And then the rotating angle of the damping block can be deduced according to the variable quantity of the resistor.

In order to realize accurate control of the micro motor assembly, in the embodiment, a flexible control electronic board for controlling the rotation of the micro motor assembly of the dual output shaft according to the torsion magnitude of the damping block is further arranged between the rotating shaft shell and the micro motor assembly of the dual output shaft, in order to be used cooperatively and simplify the control structure, in the embodiment, the micro torsion detection probe is a metal resistance strain gauge, the flexible control electronic board comprises a flexible printed circuit board, a current detection circuit module for detecting the magnitude of current, a current amplification circuit module for amplifying the current, and a control chip for realizing control (in the embodiment, the control chip is an integrated current sensor, the specific model is M L X91210KDC-CAS-101-SP Strong advanced (Shenzhen corporation), a power input end, a power output end and a signal input end in signal communication with the micro torsion detection probe, and the micro torsion detection probe is electrically connected with the flexible control electronic board.

Therefore, the resistance of the metal resistance strain gauge changes and is transmitted to the control chip through the signal input end, the control chip judges whether the resistance changes according to a preset threshold value, if the resistance changes, the current amplification circuit module is conducted, current amplification is conducted, then the current of the micro motor assembly is controlled to be increased, the torque of the output rotating shaft is increased, stability is kept, the resistance does not change in the threshold value range, the current amplification circuit module is not conducted, and power supply current only passes through the current detection circuit module and only needs to keep the original current.

Considering that the rotation speed of the micro motor assembly is too large and the torque force is too small, in this embodiment, a micro speed reducer is further disposed between the micro motor assembly and the damping block and distributed at two ends of the micro motor assembly, the sun gear is axially and fixedly connected with the motor, and the damping block is connected with the power end of the micro speed reducer, so as to realize speed reduction control of the rotation speed of the micro motor assembly and increase of the output torque.

In order to facilitate the use of the whole damping rotating shaft, at least more than two convex ribs are arranged on the outer wall of the rotating shaft shell. The main function of the convex rib is to fix the convex rib with the groove of the fixed rod to form a clamping structure, so that relative rotation is avoided.

In order to ensure the sealing performance of the rotating shaft shell, two ends of the rotating shaft shell are provided with sealing covers, the sealing covers are arranged between the damping block and the miniature speed reducer, and through holes for lines to pass through are formed in the sealing covers. Through the equipment of closing cap, can play better sealed effect.

Therefore, when any one micromotor damping shaft is positively charged, the micromotor damping shaft rotates forwards and turns upwards by an angle to drive the connecting rod and the L ED illuminating lamp or the book holder assembly to tilt upwards by an angle, the vertical gravity of the connecting rod and the L ED illuminating lamp or the book holder assembly also changes, the resistance value change value of the metal resistance strain gauge arranged in the damping block and the damping block on the micromotor damping shaft is higher than the threshold value in the control chip program, the current amplification circuit module is switched on, the amplified current is supplied to the micromotor assembly to work, the micromotor assembly increases the torque of the output rotating shaft, the torque of the damping block is increased, the increase of the angle of the L ED illuminating lamp or the book holder assembly is counteracted, and the vertical gravity of the L ED illuminating lamp or the book holder assembly is ensured to be in the elevation.

In this embodiment, for the convenience of processing, fixing base, head rod, second connecting rod and connecting seat adopt the structural style of combination, and specific saying so is by the connection dimple that is the setting of type of calligraphy, be the connection boss and the connecting pipe of type of calligraphy and constitute, connects the dimple and can insert in the connecting pipe with connecting the boss, through such setting, can streamlined production and assemble wantonly, conveniently adjusts the length of different accessories to satisfy the demand of different L ED light or book end assembly.

In order to reduce the occupied area and provide a more intelligent L ED illuminating lamp, the embodiment further provides a L ED illuminating lamp, and specifically, the L ED illuminating lamp comprises a lamp shade upper shell and a lamp shade lower shell which is matched with the lamp shade upper shell to form a linear shell, wherein a L ED lamp strip is arranged in the lamp shade lower shell, a left light shade plate and a right light shade plate which are symmetrically arranged are arranged on the lamp shade lower shell, a sensor is arranged between the left light shade plate and the right light shade plate and electrically connected with a control assembly, in the embodiment, the sensor is an infrared sensor, the infrared sensor is connected with a circuit element inside a L ED illuminating lamp main body, the L ED illuminating lamp can sense the intensity of infrared radiation through the infrared sensor arranged on the infrared sensor, and then the intensity change of the infrared radiation is converted into an electric signal, so as to control the on and off of the L ED lamp, and achieve the purposes of energy conservation and environmental.

In order to realize the intelligent clamping of books, the book end board and the book end board that are the box body form cooperation setting that this embodiment provides including, in this embodiment, book end board and the whole book end body that constitutes a rectangle dress of book end board, holistic length is unanimous basically with the length of current books, it needs to explain that, in order to prevent books conveniently, in this embodiment, at the middle part of book end board one-tenth notch groove form setting to the placing of cooperation books. In order to realize the additional holding of the two sides of the page-turning book, a left book end and a right book end are arranged on the two sides of the book clamping panel, the left book end and the right book end can be fixedly arranged on the two sides of the book clamping panel in a rotating mode, the rotating mode of the left book end and the right book end can be controlled by a motor or can be controlled by a mechanical structure, for example, the control is carried out through a torsion spring.

Considering the size difference of books, still be provided with left side fly leaf and right side fly leaf in the both sides of double-layered book panel, press from both sides tight motor and fix the one side that the double-layered book panel was kept away from to left side fly leaf and right side fly leaf, left book end passes through the left side fly leaf and sets up in the left side of double-layered book panel, and right book end passes through the right side fly leaf and sets up in the right side of double-layered book panel, and left side fly leaf and the scalable setting in the both sides of double-. Therefore, the left movable plate and the right movable plate are obtained on the left side and the right side, so that the whole book holder is enlarged, and the requirement for reading books with different sizes is met.

In order to realize the automatic control of the left side movable plate and the right side movable plate, in this embodiment, the left side movable plate and the right side movable plate are telescopically arranged on two sides of the book clamping panel through a synchronous telescopic mechanism assembly, specifically, the synchronous telescopic mechanism comprises a telescopic motor arranged at the center of the book clamping bottom plate, a driving gear arranged on an output shaft of the telescopic motor, a driven left rack meshed with the upper end of the driving gear, and a driven right rack meshed with the lower end of the driving gear, wherein the driven left rack is fixedly connected with the left side movable plate, and the driven right rack is fixedly connected with the right side movable plate. Like this, through corotation or the reversal of flexible motor, realize the motion of left side fly leaf and right side fly leaf in opposite directions or relative direction, and then conveniently realize the centre gripping to not equidimension books.

The children of considering different heights need to adjust when study and the study scene of difference, and the height of desktop needs is adjusted, for this reason, the left side lift foot assembly that this embodiment provided all includes fixed foot and the lift pin of suit in fixed foot with right lift foot assembly, and in this embodiment, fixed foot wholly is the T style of calligraphy setting of inversion, and the lift pin suit is in the vertical portion of fixed foot, lift pin and desktop assembly fixed connection, and the lift pin liftable sets up in fixed foot.

Specific speaking, the elevating system liftable sets up in fixed foot through elevating system, elevating system is including setting up lifting screw and the screw-nut of suit on lifting screw in the elevating system foot, screw-nut fixes in fixed foot, because screw-nut fixes in fixed foot, and fixed foot is for placing subaerial, for this reason, under the unable circumstances that removes of fixed foot, the rotation of elevating screw only can make the fixed foot up-and-down motion of elevating screw, for the convenience control elevating screw rotates, top at the elevating screw sets up and is used for controlling the pivoted gearbox of elevating screw, the top at the elevating system foot is fixed to the gearbox. Therefore, the lifting pin is lifted by controlling the lifting screw rod to rotate, and the desktop assembly is driven to lift.

The gearbox includes the gearbox box and sets up the initiative output shaft in the gearbox box, and the initiative output shaft rotates and sets up in the gearbox box, and the one end of initiative output shaft is provided with the initiative umbrella tooth, still is provided with driven umbrella tooth in the gearbox box, and initiative umbrella tooth and driven umbrella tooth intermeshing set up, move the umbrella tooth and set up with the coaxial fixed of elevating screw, and the setting of gearbox box is run through to the initiative output shaft, and the one end that the initiative umbrella tooth was kept away from to the initiative output shaft is connected with actuating mechanism. Specifically, the end of the driving output shaft is provided with a hexagonal groove, the driving mechanism controls the driving conveying shaft through the groove, the driving mechanism can be a motor or a crank, the number of times of lifting of the table top assembly is limited, and in order to avoid misoperation of children, the crank is adopted in the embodiment.

In order to realize linkage control of the left lifting foot assembly and the right lifting foot assembly, two ends of the driving output shafts penetrate through the gearbox body, the transmission rod is arranged between the two driving output shafts, and therefore integral lifting can be realized by controlling the gearbox on one side.

When the infrared starting key is used for controlling the power key at the triggering end of the assembly and triggering the infrared starting key, when the body of a child such as a hand, a face and a head of the child is in the detection range of the infrared sensor module, the infrared sensor module outputs high level to drive the L ED driving output module to be switched on, the L ED lamp band is electrified to emit preset illumination light, if the brightness degree is unsatisfied, the triggering illumination key can be pressed to improve the brightness degree, if the color of the light is unsatisfied, the triggering color temperature key can be pressed to adjust the change from white light to yellow light, when the child leaves, the body such as the hand, the face and the head of the child is not in the detection range of the infrared sensor module, the infrared sensor module outputs low level, the L ED driving output module is switched off, and the L ED lamp band is not electrified to be extinguished.

Meanwhile, reminding setting can be carried out, for example, when the L ED lamp strip works for 45 minutes, a program is set, the L ED illuminating lamp obtains a flashing power supply to prompt a child to have a rest in learning, when the child considers that the L ED illuminating position is not right in learning, a stretching key or a shrinking key in an intelligent telescopic frame telescopic key of the L ED illuminating lamp is pressed for a long time, the intelligent control electronic board controls a corresponding micro-motor in the trigger end to obtain a low-level signal, the output end of the driving motor outputs a forward current, and the damping shaft of the micro-motor rotates forwards to drive the L ED illuminating lamp to a satisfactory position.

Similarly, when the child thinks that the book holder assembly is not right in position during learning, the child presses an extension key or a contraction key of a telescopic key of the bookshelf assembly, the intelligent control electronic board controls the corresponding micro-motor in the trigger end to obtain a high-level signal, the output end of the driving motor outputs current, and the micro-motor damping shaft rotates until the book holder assembly is at a satisfactory position.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides an intelligence children study table, includes desk assembly and sets up the bookshelf assembly in desk assembly top, be provided with book end assembly and L ED light on the bookshelf assembly, a serial communication port, book end assembly and L ED light set up on book end assembly through intelligent expansion bracket, intelligent expansion bracket is including being used for fixing the fixing base at bookshelf assembly and the head rod that sets up with the fixing base is articulated, the one end that the fixing base was kept away from to the head rod articulates there is the second connecting rod, the one end that the head rod was kept away from to the second connecting rod articulates there is the connecting seat, can dismantle fixed connection between connecting seat and book end assembly and the L ED light, between fixing base and the head rod, between head rod and the second connecting rod and between second connecting rod and the connecting seat through little motor damping axle articulated, still be provided with the control that is used for controlling little motor damping axle on the desk assembly.

2. The intelligent children learning table as claimed in claim 1, wherein the L ED lighting device comprises a lampshade upper shell and a lampshade lower shell matched with the lampshade upper shell and arranged in a straight shell shape, the lampshade lower shell is internally provided with a L ED lamp strip, the lampshade lower shell is symmetrically provided with a left lampshade light plate and a right lampshade light plate, a sensor is arranged between the left lampshade light plate and the right lampshade light plate, and the sensor is electrically connected with the control assembly.

3. The intelligent children learning table as claimed in claim 1 or 2, wherein the book holder assembly comprises a book clamping panel and a book clamping bottom plate which are cooperatively arranged in a box shape, a left side movable plate and a right side movable plate are further arranged on two sides of the book clamping panel, the left side movable plate and the right side movable plate are telescopically arranged on two sides of the book clamping panel, a left book holder is arranged on one side of the left side movable plate away from the book clamping panel, a right book holder is arranged on one side of the right side movable plate away from the book clamping panel, the right book holder is arranged on the right side of the book clamping panel through the right side movable plate, the left book holder is rotatably fixed on the left side movable plate, and the right book holder is rotatably fixed on the right side movable plate.

4. The intelligent children learning table as claimed in claim 3, wherein the left and right movable plates are telescopically arranged on both sides of the book clamping panel via a synchronous telescopic mechanism assembly, the synchronous telescopic mechanism comprises a telescopic motor installed at a central position of the book clamping bottom plate, a driving gear installed at an output shaft of the telescopic motor, a driven left rack engaged with an upper end of the driving gear, and a driven right rack engaged with a lower end of the driving gear, wherein the driven left rack and the left movable plate are fixedly connected, and the driven right rack and the right movable plate are fixedly connected.

5. The intelligent children learning table of claim 4, wherein the desk assembly comprises a desktop assembly and a left lifting foot assembly and a right lifting foot assembly symmetrically arranged at the bottom of the desktop assembly, the left lifting foot assembly and the right lifting foot assembly each comprise a fixing foot and a lifting pin sleeved in the fixing foot, the lifting pin is fixedly connected with the desktop assembly, and the lifting pin is arranged in the fixing foot in a lifting manner.

6. The intelligent children learning table as claimed in claim 5, wherein the lifting pin is arranged in the fixing pin in a lifting manner through a lifting mechanism, the lifting mechanism comprises a lifting screw rod arranged in the lifting pin and a screw nut sleeved on the lifting screw rod, the screw nut is fixed in the fixing pin, a gearbox for controlling the rotation of the lifting screw rod is arranged at the top of the lifting screw rod, and the gearbox is fixed at the top of the lifting pin.

7. The intelligent children learning table as claimed in claim 6, wherein the gearbox comprises a gearbox casing and a driving output shaft arranged in the gearbox casing, the driving output shaft is rotatably arranged in the gearbox casing, a driving bevel gear is arranged at one end of the driving output shaft, a driven bevel gear is further arranged in the gearbox casing, the driving bevel gear and the driven bevel gear are meshed with each other, the driven bevel gear is coaxially and fixedly arranged with the lifting screw, the driving output shaft penetrates through the gearbox casing, and a driving mechanism is connected to one end of the driving output shaft, which is far away from the driving bevel gear.

8. An intelligent children learning table according to claim 7, wherein two ends of the driving output shaft are arranged through the gearbox casing, and a transmission rod is arranged between the two driving output shafts.