CN212066212U - Intelligent learning table and chair - Google Patents
Intelligent learning table and chair Download PDFInfo
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- CN212066212U CN212066212U CN201921129808.4U CN201921129808U CN212066212U CN 212066212 U CN212066212 U CN 212066212U CN 201921129808 U CN201921129808 U CN 201921129808U CN 212066212 U CN212066212 U CN 212066212U
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Abstract
An intelligent learning desk and chair. The product comprises a chair backrest and a desktop, wherein the chair backrest is S-shaped and is hinged with a fixed support, the fixed support is connected with a connecting rod mechanism, the connecting rod mechanism is connected with a chair seat, the chair seat is connected with a chair air cylinder, and the chair air cylinder is connected with a roller; the bottom four angles of desktop all connect SC32 cylinders, the desktop connect the table case, the table case connect the table and hold in the palm the box, the table hold in the palm the box in be equipped with the pneumatic rod, the pneumatic rod connect the slide rail, the slide rail connect and adjust the desktop, the regulation desktop connect articulated seat, articulated seat connect the one end of desktop. The utility model discloses a be used for intelligent study table chair.
Description
Technical Field
The utility model relates to an intelligence study table chair.
Background
Along with the rapid development of society and science and technology, people's work and life rhythm are faster and faster, and the kind of table chair is abundanter, and people also are higher and higher to the requirement of table chair function and comfort level.
With the rapid development of society and science and technology, the pace of work and life of people is faster and faster, the requirements on tables and chairs are higher and higher, and meanwhile, the efficiency of work and study is more emphasized. The study table and chair for children appears and shows a growing trend in the market by referring to relevant literature data, but the study table and chair for college students and adults rarely appears, and related intelligent products are not available.
Disclosure of Invention
The utility model aims at providing a have intelligent and automatic characteristics, can effectual improvement work and learning efficiency's an intelligent study table chair.
The above purpose is realized by the following technical scheme:
the intelligent learning table and chair comprises a chair backrest and a table top, wherein the chair backrest is S-shaped, the chair backrest is hinged with a fixed support, the fixed support is connected with a connecting rod mechanism, the connecting rod mechanism is connected with a chair seat, the chair seat is connected with a chair air cylinder, and the chair air cylinder is connected with a roller; the bottom four angles of desktop all connect SC32 cylinders, the desktop connect the table case, the table case connect the table and hold in the palm the box, the table hold in the palm the box in be equipped with the pneumatic rod, the pneumatic rod connect the slide rail, the slide rail connect and adjust the desktop, the regulation desktop connect articulated seat, articulated seat connect the one end of desktop.
The intelligent learning table and chair is characterized in that the top of the SC32 cylinder is fixed with the table top through screws, the table top is connected with a table lamp holder, and the table lamp holder is connected with a table lamp.
The intelligent learning table and chair comprises a link mechanism, wherein the link mechanism comprises a switch, the switch is fixed on the chair seat, the switch is connected with an upper direct current servo motor, a middle direct current servo motor and a lower direct current servo motor, the upper direct current servo motor, the middle direct current servo motor and the lower direct current servo motor are all connected with a memory element, the upper direct current servo motor, the middle direct current servo motor and the lower direct current servo motor are all connected with a system circuit, the system circuit comprises a power supply, a negative electrode VSS of the power supply is connected with a first sensor CN1, a second sensor CN2, a third sensor CN3 and a fourth sensor CN4, a negative electrode VSS of the power supply is connected with a patch capacitor EC, the patch capacitor EC is connected with a capacitor C1 in parallel, the patch capacitor EC is connected with a positive electrode VDD of the power supply, anodal VDD connecting resistance R3, resistance R3 connect amplifier Q1, amplifier Q1 connect lamp LED1, lamp LED1 connecting resistance R1, resistance R1 connecting resistance R2, resistance R2 connect lamp LED2, lamp LED2 connect amplifier Q2, amplifier Q2 connecting resistance R4, resistance R4 connect anodal VDD, anodal VDD connecting resistance R5, resistance R5 connect reminding device BUZ.
An intelligence study table chair, desk lamp connect desk lamp self-adaptation system circuit, instituteThe circuit of the desk lamp self-adaptive system comprises an arrester LB, the arrester LB is connected with a switch S, the arrester LB is connected with an amplifier, the amplifier is connected with a resistor R1 and a resistor R2, the resistor R1 is connected with a diode, the diode is connected with a capacitor C, and the resistor R2 is connected with a light-emitting resistor R2LThe diode is connected with a Silicon Controlled Rectifier (SCR), and the Silicon Controlled Rectifier (SCR) is connected with the amplifier.
Advantageous effects
1. The utility model discloses can satisfy multiple demands such as people's leisure work, improve comfort level and work learning efficiency.
2. The utility model discloses make the study seat not confine to the application to children, also adapt to university student and adult's needs, can satisfy people to the demand of multiple work learning environment. Through the conversion of various modes, the user can write, draw, use a computer and have a rest in the most comfortable environment.
3. The utility model can simplify the office and study environment and correct the sitting posture of people according to the preset computer program; when the chair is used for a long time, the reminding device can be triggered to remind the user of taking a rest.
4. The utility model discloses can improve the comfort level of people's study work, also can effectual promotion work efficiency.
Drawings
Fig. 1 is a structural schematic diagram of the chair of the product.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a structural schematic diagram of the learning table of the product.
Fig. 4 is a schematic structural view of fig. 3 for adjusting the lifting of the table top.
Fig. 5 is a schematic structural diagram of the cylinder of the product.
FIG. 6 is a functional diagram of the intelligent learning table and chair.
Figure 7 is a circuit diagram of the present product seat adjustment system.
Fig. 8 is a circuit diagram of the user reminder system of the product.
Fig. 9 is a circuit diagram of the self-adaptive system of the desk lamp.
Fig. 10 is an external view of the chair of the present invention.
Figure 11 is an exterior view of the table of the present product.
Fig. 12 is a first seat back adjustment mechanism of the present product.
Fig. 13 is a second seat back adjusting mechanism of the present product.
Fig. 14 is a third seat back adjustment mechanism of the present product.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
The intelligent learning table and chair comprises a chair backrest 1 and a table top 2, wherein the chair backrest is S-shaped and is hinged with a fixed support 3, the fixed support is connected with a connecting rod mechanism 4, the connecting rod mechanism is connected with a chair seat 5, the chair seat is connected with a chair air cylinder 6, and the chair air cylinder is connected with a roller 7; the bottom four angles of desktop all connect SC32 cylinder 8, the desktop connect table case 9, the table case connect table and hold in the palm box 10, table hold in the palm the box in be equipped with pneumatic rod 11, pneumatic rod connect slide rail 12, sliding rail connect and adjust desktop 13, adjust the desktop connect articulated seat 14, articulated seat connect the one end of desktop.
The top of SC32 cylinder with the desktop between pass through the fix with screw, the desktop connect desk lamp stand 15, desk lamp stand connect desk lamp 16.
Example 2
The intelligent learning desk and chair of embodiment 1, wherein the link mechanism includes a switch 17, the switch is fixed on the chair seat, the switch is connected with an upper dc servomotor, a middle dc servomotor and a lower dc servomotor, the upper dc servomotor, the middle dc servomotor and the lower dc servomotor are all connected with a memory element, the upper dc servomotor, the middle dc servomotor and the lower dc servomotor are all connected with a system circuit, the system circuit includes a power supply, a negative electrode VSS of the power supply is connected with a first sensor CN1, a second sensor CN2, a third sensor CN3 and a fourth sensor CN4, a negative electrode VSS of the power supply is connected with a patch capacitor EC, the patch capacitor EC is connected in parallel with a capacitor C1, the patch capacitor EC is connected with a positive electrode VDD of the power supply, anodal VDD connecting resistance R3, resistance R3 connect amplifier Q1, amplifier Q1 connect lamp LED1, lamp LED1 connecting resistance R1, resistance R1 connecting resistance R2, resistance R2 connect lamp LED2, lamp LED2 connect amplifier Q2, amplifier Q2 connecting resistance R4, resistance R4 connect anodal VDD, anodal VDD connecting resistance R5, resistance R5 connect reminding device BUZ.
Seat adjusting circuit design
The switches at the corresponding positions of the seat are powered on, the switches are closed, the direct current is input into the corresponding direct current servo motors, the motors are powered on to rotate, all parts of the seat are driven, and lifting of the seat and adjustment of a seat backrest are achieved. When a memory element is added into the system, the rotation data of the motor can be accurately recorded, and the memory function of the seat is realized. When the motor at the lowest position rotates, the upgrading mechanism of the seat can be controlled to realize the up-and-down movement of the seat; when the middle motor is powered on, the rotation of the seat can be controlled; when the uppermost motor (backrest motor) is electrified, the inner gear can be driven to rotate, and then the rotation adjustment of the backrest is realized.
User alert circuit design
A user reminding system of the seat, wherein CN1 is a first sensor which is positioned right below a cushion of the seat and is used for detecting the pressure of a user; CN2 and CN3 are second third sensors, respectively located at two sides of the seat, for detecting pressure values at two sides; CN4 is a fourth sensor located at the bottom of the backrest for detecting the pressure on the backrest to correct the sitting posture of the user.
The first sensor sends out a signal once at intervals to detect whether a pressure value exists or not, and if the pressure value does not exist, the indicating device is closed; if the pressure value is high, the current indicating device is kept turned on, and when a certain time value is reached, the system can prompt the user to stand up so as to prevent the body from being damaged due to long-time sitting. The second third sensor sets a certain pressure range, and when the pressure received by the second third sensor is larger than the maximum value or smaller than the minimum value, the second third sensor can prompt a user to move or adjust the sitting posture through an indicator light LED or a reminding device BUZ. The fourth sensor is used for detecting the pressure on the backrest, and through setting a pressure range, when the pressure exceeds or is lower than the pressure range, the user can be prompted to adjust the sitting posture through an indicator light or a reminding device.
Example 3
The intelligent learning desk and chair of embodiment 1, the desk lamp is connected with a desk lamp adaptive system circuit, the desk lamp adaptive system circuit includes an arrester LB, the arrester LB is connected with a switch S, the arrester LB is connected with an amplifier, the amplifier is connected with a resistor R1 and a resistor R2, the resistor R1 is connected with a diode, the diode is connected with a capacitor C, and the resistor R2 is connected with a light-emitting resistor R2LThe diode is connected with a Silicon Controlled Rectifier (SCR), and the Silicon Controlled Rectifier (SCR) is connected with the amplifier.
Self-adaptive circuit design of desk lamp
For a light self-adaptive circuit system, the light brightness can be controlled by changing the voltage at two ends of a lamp by utilizing the characteristic that the resistance values of a photosensitive resistor in different environments are different; the light bulb with different power and brightness can be connected, and the switch of different light bulbs is powered on to control the brightness along with the resistance value change of the photoresistor, wherein the former is adopted.
The circuit diagram of a desk lamp adaptive system is a typical light control regulating system, and the working principle is as follows: when the light of the surroundings of the photoresistor RL becomes dark gradually, the resistance value of the photoresistor RL increases gradually, the partial voltage on the capacitor C increases, the conduction angle on the controllable silicon increases, the voltage at the two ends of the illuminating lamp increases, and the light becomes bright gradually; when the light of the photosensitive resistor RL surrounding environment becomes bright gradually, the resistance value of the photosensitive resistor RL is reduced gradually, and the partial pressure of the capacitor C is reduced, so that the conduction angle of the silicon controlled rectifier is reduced, the voltage at the two ends of the illuminating lamp is reduced, and the light becomes dark gradually. By the circuit system, the light of the table and chair system changes along with the change of the environment.
Example 4
An intelligent learning desk and chair as described in embodiment 1,
the seat backrest is designed to be S-shaped by combining ergonomics, and a motor and a transmission device are additionally arranged at the joint of the seat backrest and the seat cushion, so that the seat backrest can freely rotate within a certain angle, and the comfort level is increased; the seat lifting device uses a pneumatic device; the bottom of the seat adopts a roller type chassis, so that the seat is convenient to move. A switch is additionally arranged on the seat, so that the lifting of the seat and the adjustment of the backrest can be controlled.
The desktop lifting device adopts a pneumatic lifting device sliding rail mechanism (a pneumatic rod is connected with a sliding rail), and the angle adjustment of the drawing table adopts a pneumatic device. The angle can be automatically adjusted by inputting the angle in the system in advance, and the angle required by a user can also be automatically adjusted by a control button (switch).
The control system of the intelligent table and chair comprises a seat adjusting system, a user reminding system, a table lamp self-adaptive system and the like, and is mainly realized through a specific circuit. The seat adjusting system is mainly used for adjusting the lifting of the seat and the adjustment of the backrest, the user reminding system is mainly used for reminding people of resting, correcting sitting postures and the like, and the desk lamp self-adaptive system can automatically adjust the brightness according to the environment.
The structure and the circuit of the intelligent learning table and chair are researched, designed and optimized by combining human engineering. The lifting and the backrest adjustment of the intelligent seat are realized by adopting a motor and a pneumatic device, the angle adjustment of the tabletop of the intelligent table is realized by adopting devices such as a pneumatic rod and a sliding rail, the data of the table and the chair are recorded by a memory, and the automation of the lifting, the correction and the reminding of the table and the chair and the light self-adaption function are realized by a seat adjusting system, a user reminding system and a table lamp self-adaption system.
Example 5
According to the intelligent learning table and chair, the seat lifting device is selected, the lifting seat is a seat which can be lifted up and down and can rotate horizontally, the lifting seat is common in the current life, and the transmission of the lifting part generally comprises pneumatic or hydraulic modes and the like. The hydraulic lifting device has the advantages of high cost, relatively complex structure, difficulty in cleaning after oil leakage and low domestic market occupation ratio, and the air pressure lifting device has the characteristics of low price, simple structure, flexibility in operation and the like, so that the application is more, and the market occupation ratio is higher. According to survey and survey, most of the main seats of companies or office buildings are pneumatic lifting seats, and in daily life, the pneumatic seats are gradually favored and can be used for rest or used as computer seats.
The air cylinder of the air pressure lifting chair is sealed by a sealing ring, 0.1-0.2 MPa of nitrogen is sealed inside the air cylinder, and the density of the nitrogen is changed under the action of an adjusting switch and the gravity, so that the lifting of the chair is realized. When the lifting switch is pressed down, a person sitting on the chair can apply pressure to the lifting shaft, and at the moment, the chair can descend at a low speed and a uniform speed until the chair descends to the lowest point; when the pressure on the lifting shaft is not applied, the switch is pressed down, and the seat can be lifted to the highest position at a medium speed and a constant speed; when not operating, the seat automatically locks the current position.
Example 6
The intelligent learning table and chair of the embodiment is designed for the memory function of the chair and the rotating table top,
each user has his own custom seat and table top status, and there is a need for a mechanism to record the user's usage data and optimal status. The memory can restore the operation data of the equipment and record the optimal state, so the memory can be used for realizing the purpose.
There are currently two main approaches to recording data for motors and other devices. One is to use a potentiometer, which can record the rotation data of the seat motor in more detail, but the method has the disadvantages of low precision and short working life, and adds cost to the design scheme; and the other scheme is that Hall elements are used for recording various data of the operation of the motor, so that the scheme saves the cost to a great extent, increases the service life of the motor and overcomes the defects of the former memory.
In addition, the desktop rotating device can also adopt the memory device (Hall element), and the memory device can record the time of the pneumatic rod because the desktop angle rotation is uniform, so that the optimal drawing angle of the desktop can be realized by one key.
The design of the desktop angle adjusting mechanism is adopted,
the angle adjustment of the drawing table can adopt a pneumatic mechanism and a four-bar mechanism driven by a motor, and the structure and the realization form of the four-bar mechanism are complex, so that the pneumatic mechanism is adopted here. The vertical rod is riveted with the bottom surface, the top of the pneumatic rod is connected with the desktop and the joint of the desktop and the vertical rod through fixed hinges, and the desktop can rotate freely. A switch may be provided on the table or on the chair to control the operation of the pneumatic device. When the lifting distance of the lifting rod is 0, the desktop is kept horizontal; when the lifting rod ascends or descends, the desktop rotates forwards or reversely to adjust the angle of the desktop. The desktop angle adjustment mechanism is shown in fig. 4.
Example 7
The intelligent learning table and chair and the selection of the air cylinder in the embodiment
Selecting of a seat cylinder
Assuming the maximum weight of the chair (including the user) is, the weight is:
1500N(14)
the model of the Adam air cylinder is compared with the thrust of each model of the Adam air cylinder shown in the following table 1,
TABLE 1
The SC80 model may be selected for safety.
The basic parameters of the selected SC80 are as follows:
cylinder diameter: 80mm, selecting a stroke: the thickness of the glass is 200mm,
air inlet hole thread: piston rod screw:
the operation type is as follows: the double action type ensures the pressure resistance: 1.5MPa
The use pressure range is as follows: 0.1-1.0MPa working temperature:
the speed range used: 30-80mm/s buffer type: adjustable buffering
Buffering stroke: caliber of the 28mm connecting pipe: .
Example 8
The intelligent learning table and chair described in the above embodiments,
selecting cylinder of table
Because the desk bearing is less, when the people lies prone on the desk, the biggest weight of hypothesis desk (including the user) is then received gravity:
1000N(15)
the cylinder is also used as Adeko cylinder.
Since the table has four legs, the weight is divided approximately equally by four legs, i.e. each leg bears a maximum weight of 250N, and therefore an SC32 type cylinder may be used.
The specific parameters of the cylinder are as follows:
cylinder diameter: 32mm selection stroke: 200mm
Air inlet hole thread: and the piston rod is threaded: ,
the operation type is as follows: the double action type ensures the pressure resistance: 1.5MPa
The use pressure range is as follows: 0.1-1.0MPa working temperature:
the speed range used: 30-80mm/s buffer type: adjustable buffering
Buffering stroke: caliber of the 28mm connecting pipe: .
Example 9
The determination of the chair backrest adjusting mechanism of the intelligent learning table and chair according to the above embodiment
The main components of the seat back adjustment mechanism are a low speed motor 17 having an output shaft 23 connected to a primary gear 18, which meshes with a secondary gear 19, a secondary gear connecting shaft 20, a shaft connecting external gear 21, which meshes with an external secondary gear 22, a shaft and a gear. The gear mechanism constitutes a gear reduction device that reduces the output rotational speed of the motor. The forward and reverse rotation of the seat can be realized through the cooperation of the forward and reverse rotation of the motor and the gear reduction mechanism, and the maximum adjusting angle of the seat is set to be 45 degrees.
The number of the internal gear teeth of the seat back is 26, and the number of the external gear teeth of the seat back is 28, because the gear meshing rotating speed is not very high and the load is relatively stable. The motor shaft gear is 16, and the coaxial gear is 32.
The selected gear parameters are as follows:
normal modulus: 3 ═ 3
Pressure angle: alpha is 20 DEG
Reference circle diameter: dl＝78mm ＝84mm
Diameter of addendum circle: 84 mm-90 mm
Root circle diameter: dΩ＝70.5mm dΩ＝76.5mm
Diameter of base circle: dWind power＝73.30mm ＝78.93mm
Pitch: 9.42mm
Tooth thickness: 4.71mm
Standard center distance: 81mm
The transmission ratio is as follows: 1413
The overall reduction ratio is 28: 13.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (4)
1. An intelligent learning table and chair comprises a chair backrest and a table top and is characterized in that the chair backrest is S-shaped, the chair backrest is hinged with a fixed support, the fixed support is connected with a connecting rod mechanism, the connecting rod mechanism is connected with a chair seat, the chair seat is connected with a chair air cylinder, and the chair air cylinder is connected with a roller; the bottom four angles of desktop all connect SC32 cylinders, the desktop connect the table case, the table case connect the table and hold in the palm the box, the table hold in the palm the box in be equipped with the pneumatic rod, the pneumatic rod connect the slide rail, the slide rail connect and adjust the desktop, the regulation desktop connect articulated seat, articulated seat connect the one end of desktop.
2. The intelligent learning table and chair as claimed in claim 1, wherein the top of the SC32 cylinder is fixed with the table top through screws, the table top is connected with a table lamp holder, and the table lamp holder is connected with a table lamp.
3. The intelligent learning desk and chair of claim 1, wherein the linkage mechanism comprises a switch, the switch is fixed on the chair seat, the switch is connected with an upper DC servo motor, a middle DC servo motor and a lower DC servo motor, the upper DC servo motor, the middle DC servo motor and the lower DC servo motor are all connected with a memory element, the upper DC servo motor, the middle DC servo motor and the lower DC servo motor are all connected with a system circuit, the system circuit comprises a power supply, a negative electrode VSS of the power supply is connected with a first sensor CN1, a second sensor CN2, a third sensor CN3 and a fourth sensor CN4, a negative electrode VSS of the power supply is connected with a patch capacitor EC, the patch capacitor EC is connected with a capacitor C1 in parallel, the patch capacitor EC is connected with a positive electrode VDD of the power supply, anodal VDD connecting resistance R3, resistance R3 connect amplifier Q1, amplifier Q1 connect lamp LED1, lamp LED1 connecting resistance R1, resistance R1 connecting resistance R2, resistance R2 connect lamp LED2, lamp LED2 connect amplifier Q2, amplifier Q2 connecting resistance R4, resistance R4 connect anodal VDD, anodal VDD connecting resistance R5, resistance R5 connect reminding device BUZ.
4. The intelligent learning desk and chair of claim 2, wherein the desk lamp is connected with a desk lamp adaptive system circuit, and the desk lamp adaptive system circuit packageThe lightning arrester LB is connected with a switch S, the lightning arrester LB is connected with an amplifier, the amplifier is connected with a resistor R1 and a resistor R2, the resistor R1 is connected with a diode, the diode is connected with a capacitor C, and the resistor R2 is connected with a light-emitting resistor R2LThe diode is connected with a Silicon Controlled Rectifier (SCR), and the Silicon Controlled Rectifier (SCR) is connected with the amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129808.4U CN212066212U (en) | 2019-07-18 | 2019-07-18 | Intelligent learning table and chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129808.4U CN212066212U (en) | 2019-07-18 | 2019-07-18 | Intelligent learning table and chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212066212U true CN212066212U (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921129808.4U Expired - Fee Related CN212066212U (en) | 2019-07-18 | 2019-07-18 | Intelligent learning table and chair |
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| Country | Link |
|---|---|
| CN (1) | CN212066212U (en) |
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2019
- 2019-07-18 CN CN201921129808.4U patent/CN212066212U/en not_active Expired - Fee Related
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Granted publication date: 20201204 Termination date: 20210718 |