CN112617398A

CN112617398A - Self-adaptive adjusting table and table control system

Info

Publication number: CN112617398A
Application number: CN202011611261.9A
Authority: CN
Inventors: 甄家乐; 甄昊元; 甄昊阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-04-09

Abstract

The invention relates to the technical field of intelligent home furnishing, and discloses a self-adaptive adjusting table and a table control system, which comprise a bottom plate, wherein a lifting cylinder is fixedly arranged at the top of the bottom plate, a lifting column is inserted into the lifting cylinder, an installation plate is fixedly arranged at the top of the lifting column, a fixed plate is fixedly arranged at the top of the installation plate, a table plate is movably connected to the top of the fixed plate, the table plate is fixedly connected to the outer wall of a bent plate, a top plate is fixedly arranged at the top of the bent plate, a camera is arranged in the bent plate, the table plate can be controlled to ascend or descend through an electric rod, the table plate can be controlled to translate through an electric push rod or a motor and move towards or away from a user, the control system is simpler, more efficient and more stable, and the user can feel more comfortable The height and the front-back distance of the desk can be automatically adjusted by sitting high and using posture.

Description

Self-adaptive adjusting table and table control system

Technical Field

The invention relates to the technical field of smart homes, in particular to a self-adaptive adjusting table and a table control system.

Background

The table is common furniture, the table produced in industry is usually designed according to the requirement of standard height, the height of the produced table is uniform, and people with non-standard height can only adapt to the table by bending the spine or lifting the arm and the like.

The height of teenagers is increased rapidly in the growth process, so that tables need to be replaced or tables with adjustable table tops need to be used at intervals, students or other persons engaged in desk work often work for a long time while bending over a desk, the fatigue of shoulders, necks, spines, waists and other parts can be caused when the students or other persons engage in desk work in a long-time sitting posture, and muscle strain, chronic diseases and skeletal distortion can be caused when the students or other persons engage in long-time sitting.

The desk with adjustable height can solve the fatigue caused by sedentary sitting to a certain extent. But the worker is absorbed in and cannot adjust the desktop manually or actively in time, so even if the desk with adjustable height is used, the strain caused by sedentary sitting still cannot be effectively solved.

The Chinese patent publication number is: the invention of CN106263513B discloses a lifting table, which comprises a table board, a transmission device, table legs, a power device, a lifting device and a single motor control box circuit for controlling the power device, and can realize automatic lifting of the table, especially the transmission mechanism can be more uniformly stressed when the motor is arranged in the middle of the table body, thereby prolonging the service life of the table.

In the above patent, although the height of the table can be adjusted, the height adjustment still needs manual control, and cannot be adjusted according to the posture of the user, so that the table does not have the function of correcting the sitting posture.

Based on this, we propose a self-adaptive adjustment desk and a desk control system, and hope to solve the defects in the prior art.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a self-adaptive adjusting table and a table control system, which have the advantages of automatically adjusting the height and the front-back distance of the table according to the height, sitting height and using posture of a user.

(II) technical scheme

In order to realize the aim of automatically adjusting the height and the front-back distance of the desk according to the height, the sitting height and the using posture of a user, the invention provides the following technical scheme: a self-adaptive adjusting desk comprises a bottom plate, wherein a lifting cylinder is fixedly installed at the top of the bottom plate, a lifting column is inserted into the lifting cylinder, and an installation plate is fixedly installed at the top of the lifting column;

the utility model discloses a fixed plate, including mounting panel, table, top swing joint, table fixed connection, the top fixed mounting of mounting panel has the fixed plate, the top swing joint of fixed plate has the table, table fixed connection is on the outer wall of bent plate, the top fixed mounting of bent plate has the roof, the inside of bent plate is provided with the camera.

As a preferable technical solution of the present invention, an electric rod is disposed inside the lifting cylinder, and the lifting column is fixedly mounted on the top of an output shaft of the electric rod.

As a preferred technical scheme of the invention, an electric push rod is fixedly mounted on the right side of the bottom of the bent plate, the top of an output shaft of the electric push rod is fixedly mounted on the outer wall of the fixed plate, sliding grooves are further formed in two sides of the fixed plate, sliding blocks are connected to the inner wall of each sliding groove in a sliding manner, and the sliding blocks are fixedly mounted on two sides of the bottom of the table plate.

As a preferred technical scheme, a motor is fixedly mounted on the right side of the bottom of the bent plate, a lead screw is fixedly mounted at the top of an output shaft of the motor, the lead screw is in threaded connection with the inside of a fixed plate, sliding grooves are further formed in two sides of the fixed plate, sliding blocks are connected to the inner walls of the sliding grooves in a sliding mode, and the sliding blocks are fixedly mounted on two sides of the bottom of the table plate.

An adaptively adjusted desk control system for an adaptively adjusted desk, comprising:

the image acquisition module comprises a camera and is used for acquiring key point information and desktop information of a human body;

the human body identification module is used for measuring and calculating the accurate size of the human body and the position of each part of the human body in the space according to the key point information and the desktop information of the human body;

the gesture recognition module is used for recognizing the body gesture of the user according to the human body key point information and the desktop information;

the control module is used for receiving the identification data of the human body identification module and the gesture identification module, controlling the operation of the lifting driving module and the translation driving module and controlling the communication module to communicate;

the lifting driving module is used for controlling the lifting column to ascend or descend through the electric rod and adjusting the height of the table plate;

the translation driving module is used for controlling the table plate to translate through an electric push rod or a motor and adjusting the front position and the rear position of the table plate;

and the communication module comprises a Bluetooth unit and a WIFI unit and is used for data transmission between the mobile terminal and the Internet.

As a preferred technical solution of the present invention, the specific measurement method of the human body recognition module is as follows:

the camera collects information of the edge of the desktop and information of the information identification points on the desktop, pixels of the information identification points are compared with pixels of a picture of the camera, the position and the angle of the camera from the desktop are calculated according to the pixel proportion of the information points on the desktop and the angular distortion caused by shooting of the desktop and the information points, and the accurate size of the human body and the position of each part of the human body in the space are calculated according to the position and the angle.

As a preferred technical scheme of the invention, the human body posture monitoring system further comprises a database, wherein the database is used for storing the human body posture of the health standard.

As a preferred technical solution of the present invention, the gesture recognition module includes the following processing steps:

s1: acquiring images of a user through a camera, identifying key points of the body of the user, wherein the key points comprise a head, a forehead, two eyes, a nose, a mouth, a jaw, a neck, a chest, two shoulders, two elbows, two wrists and ten fingers, and identifying and judging the body posture of the user through the position relation of the key points of the body;

s2: comparing the body posture of the user with the body posture of the health standard stored in the database, judging the deviation of the current posture of the user from the health posture, and judging the unhealthy degree of the user to perform corresponding adjustment;

s3: and judging whether the user needs to adjust the body posture or not by counting the current posture maintaining time of the user.

(III) advantageous effects

Compared with the prior art, the invention provides a self-adaptive adjusting table and a table control system, which have the following beneficial effects:

1. this desk and desk control system of self-adaptation regulation, through the controllable table of electric pole rise or descend, through the controllable table translation of electric putter or motor, towards user or user's removal of carrying on the back, control system is succinct more, high-efficient, stable for the user has more comfortable use impression.

2. According to the self-adaptive adjusting table and the table control system, the human body recognition module, the posture recognition module and the control module can automatically judge the height of the table top required by a user according to factors such as the current body posture of the user, the time length for keeping the unified posture and the like, and the table top and the horizontal movement table top are lifted through the lifting driving module and the translation driving module to drive the user to adjust the body bones and muscle activities, so that the discomfort caused by long-time sitting or incorrect posture of the user is improved.

3. The self-adaptive adjusting desk and the desk control system dynamically acquire the body posture maintaining condition and the body posture changing condition of a user, compare the body posture maintaining condition and the body posture changing condition with the healthy postures in the database, judge whether the current posture is suitable, and realize the lifting or horizontal movement of the desktop according to the judgment so as to drive the body of the user to extend or swing, thereby realizing the correction of the posture of the user.

Drawings

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention;

FIG. 2 is a schematic overall structure diagram of a second embodiment of the present invention;

FIG. 3 is a schematic diagram of a system architecture according to the present invention;

FIG. 4 is a schematic process flow diagram of the present invention.

In the figure: 1-bottom plate, 2-lifting cylinder, 3-lifting column, 4-mounting plate, 5-fixing plate, 6-table plate, 7-bending plate, 8-top plate, 9-camera, 10-electric push rod, 11-slide block, 12-slide groove, 13-motor and 14-screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The first embodiment is as follows:

referring to fig. 1, 3 and 4, a self-adaptive adjusting table includes a bottom plate 1, a lifting cylinder 2 is fixedly installed on the top of the bottom plate 1, a lifting column 3 is inserted into the lifting cylinder 2, and an installation plate 4 is fixedly installed on the top of the lifting column 3;

the top fixed mounting of mounting panel 4 has fixed plate 5, and the top swing joint of fixed plate 5 has table 6, and 6 fixed connection of table are on the outer wall of bent plate 7, and the top fixed mounting of bent plate 7 has roof 8 for placing object article, and the inside of bent plate 7 is provided with camera 9.

In this embodiment, the inside of a lift section of thick bamboo 2 is provided with electronic pole, and 3 fixed mounting of lift post can the direct control lift 3 of post or descend through electronic pole at the output shaft top of electronic pole, and control system is succinct more, high-efficient, stable.

In this embodiment, an electric push rod 10 is fixedly installed on the right side of the bottom of the bent plate 7, the top of an output shaft of the electric push rod 10 is fixedly installed on the outer wall of the fixed plate 5, sliding grooves 12 are further formed in two sides of the fixed plate 5, sliding blocks 11 are connected to the inner wall of the sliding grooves 12 in a sliding mode, the sliding blocks 11 are fixedly installed on two sides of the bottom of the table 6, when the output shaft of the electric push rod 10 extends out, the electric push rod 10 is far away from the fixed plate 5, and therefore the bent plate 7 and the table 6 move on the fixed plate 5;

when the output shaft of the electric push rod 10 retracts, the electric push rod 10 gradually approaches the fixed plate 5, and then the bent plate 7 and the table plate 6 move on the fixed plate 5 and gradually approach a user;

the image acquisition module comprises a camera 9 and is used for acquiring key point information of a human body and desktop information;

the lifting driving module is used for controlling the lifting column 3 to ascend or descend through an electric rod and adjusting the height of the table plate 6;

the optimal desktop height suitable for the current user is automatically calculated according to the data of the height, the sitting height, the current posture and the like of the user, and the desk plate 6 is automatically controlled to ascend and descend without the intervention and control of the user;

the translation driving module is used for controlling the table plate 6 to translate through the electric push rod 10 and adjusting the front position and the rear position of the table plate 6;

under the condition that the waist of the user is not moved, the horizontal movement of the table top can promote the waist of the user to move in a larger angle and drive the body above the waist to move correspondingly, thereby achieving the purposes of promoting the work of the user and simultaneously carrying out moderate limb movement and adjusting the body posture.

The user can acquire the use data and data statistics of the table through the mobile terminal and can set the table in a personalized way through the mobile terminal;

the human body key node data acquired by the camera 9 can be uploaded to the internet cloud for improving the algorithm for judging the body posture;

by uploading the local equipment information, the local equipment information can be remotely acquired, and the use of the local equipment can be diagnosed;

the system can be used for downloading firmware information and a database of the internet cloud end in a networking manner, and improves local recognition of human body postures.

In this embodiment, the specific measurement method of the human body recognition module is as follows:

the camera 9 collects the information of the edge of the desktop and the information of the information identification point on the desktop, the pixels of the information identification point are compared with the pixels of the picture of the camera 9, the position and the angle of the camera 9 from the desktop are calculated according to the pixel proportion of the information points on the desktop and the angular distortion caused by shooting of the desktop and the information points, and the accurate size of the human body and the position of each part of the human body in the space are measured and calculated according to the position and the angle.

In this embodiment, the system further comprises a database, and the database is used for storing the health standard human body posture.

In this embodiment, the gesture recognition module includes the following processing steps:

step 1: the camera 9 is used for collecting images of a user, key points of the body of the user are identified, the key points comprise a head, a forehead, two eyes, a nose, a mouth, a jaw, a neck, a chest, two shoulders, two elbows, two wrists and ten fingers, and the posture of the body of the user is identified and judged through the position relation of the key points of the body;

step 2: comparing the body posture of the user with the body posture of the health standard stored in the database, judging the deviation of the current posture of the user from the health posture, and judging the unhealthy degree of the user to perform corresponding adjustment;

and step 3: and judging whether the user needs to adjust the body posture or not by counting the current posture maintaining time of the user.

When the camera 9 detects face information in the visual field, the camera 9 automatically measures and calculates the relative height between the binocular connecting line and the table board 6, and accordingly the vertical or sitting type working height is switched.

When the camera 9 collects data and the comparison shows that the posture of the upper half of the user keeps relatively unchanged in a set time period, the posture of the user is determined to intervene through model operation:

when the user is sensed to be in a sedentary state, the desk plate 6 automatically rises and is switched to a vertical working state, so that the user can work in a standing mode instead of in a standing mode in order to adapt to the rising of the desk plate 6;

when the user is sensed to work in a long stand, the table 6 automatically descends and is switched to a sitting type working state, so that the user changes the sitting type working state into the sitting type working state for adapting to the reduction of the table 6;

the camera 9 can identify the working type of the user according to the position and the motion state of the information points of the eyes, the nose, the lower jaw, the neck, the shoulders, the upper arms, the elbows, the wrists and the fingers of the two hands of the user in the space, and adjust the height of the table 6 according to the working type so as to meet the requirement of the specific work on the height of the table;

the camera 9 judges the fatigue degree of the user keeping the posture according to the posture keeping condition of the user, and the horizontal position of the desk plate 6 is adjusted to enable the desk plate 6 to be close to or far away from the user, so as to drive the upper half body of the user to lean forwards or backwards, thereby realizing the limited movement of the upper half body and realizing the change of the tension state of the muscle group of the upper half body and the adjustment of the bone position;

when the camera 9 judges that the user is in an error posture (such as various non-standard skeleton postures of bowing, bending over, extending forward of the neck, inclining the shoulders and the like), the table 6 is finely adjusted in lifting or horizontal movement through a preset table 6 movement program, so that the posture of the body of the user is adjusted;

the database is used for storing data of different postures of a human body and is used as a comparison reference with different body postures of a current user, and the database can be updated on line;

unmanned reduction: when no human body appears in the visual angle range of the camera 9, the table 6 is automatically reset to the initial height and the initial horizontal position;

resetting at low illumination: when the ambient lighting is below the set brightness, the table 6 automatically resets to the initial height and the initial horizontal position.

In this embodiment, information such as an initial height of the table, an initial size of the table top, and an initial position of the table top in a horizontal direction is stored in advance as initial values for daily use. After the desktop desk is started, all parts of the desk can be restored to the initial positions and adjusted according to the environmental conditions and the actual conditions of a user;

in this embodiment, the camera 9 collects images of the front edge and the left and right edges of the table 6, and compares the image pixels occupied by the edges with the image pixels to determine the height of the camera 9. The angle at which the camera 9 is mounted on the table 6 is determined by the distortion of the lens caused by the edge. And establishing a table plate 6 and a table front space coordinate system according to the data, and realizing accurate measurement of the human body in front of the table.

In this embodiment, the camera 9 collects images in front of the table at regular time, and determines whether a person uses the table through face recognition, and if the person uses the table, the table 6 is automatically adjusted to meet the height required by the current user according to the heights of the two eyes of the user.

And determining the classification of the current using posture according to the comparison between the current using posture of the user and the human body posture models in the database. And judging whether the current posture of the user is healthy or not according to the current posture and the deviation of the standard posture in the database, if the current posture of the user is unhealthy, adjusting the height and the horizontal position of the table plate 6 according to a preset program, enabling the table plate 6 to ascend and descend and move back and forth to be in accordance with the healthy use position, and driving the user to adjust the body posture.

If the user keeps the same posture for more than a certain time, the body fatigue and muscle fatigue of the user are judged, the switching between the vertical working mode and the sitting type working mode is carried out according to the judgment, and the desk plate 6 is lifted to the desk top used in a standing mode or the desk top used in a sitting type mode, so that the user can change the working posture, and rest and body posture adjustment are achieved.

Example two:

referring to fig. 2, 3 and 4, a self-adaptive adjusting table includes a bottom plate 1, a lifting cylinder 2 is fixedly installed on the top of the bottom plate 1, a lifting column 3 is inserted into the lifting cylinder 2, and an installation plate 4 is fixedly installed on the top of the lifting column 3;

In this embodiment, bottom right side fixed mounting of bent plate 7 has motor 13, output shaft top fixed mounting of motor 13 has

lead screw

14, 14 threaded connection of lead screw is in the inside of fixed plate 5, spout 12 has still been seted up to the both sides of fixed plate 5, the inner wall sliding connection of spout 12 has

slider

11, 11 fixed mounting of slider is in the bottom both sides of table 6, it is rotatory that motor 13 operation drives lead screw 14 at its output shaft top, lead screw 14 just reverses to make motor 10 be close to gradually or keep away from fixed plate 5 gradually, when motor 10 is close to fixed plate 5 gradually, table 6 is also close to the user gradually, when motor 10 keeps away from fixed plate 5 gradually, the user is also kept away from gradually to table 6.

the translation driving module is used for controlling the table plate 6 to translate through the motor 13 and adjusting the front position and the rear position of the table plate 6;

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An adaptive adjustment table, comprising a bottom plate (1), characterized in that: a lifting cylinder (2) is fixedly mounted at the top of the bottom plate (1), a lifting column (3) is inserted into the lifting cylinder (2), and a mounting plate (4) is fixedly mounted at the top of the lifting column (3);

the top fixed mounting of mounting panel (4) has fixed plate (5), the top swing joint of fixed plate (5) has table (6), table (6) fixed connection is on the outer wall of bent plate (7), the top fixed mounting of bent plate (7) has roof (8), the inside of bent plate (7) is provided with camera (9).

2. An adaptive adjustment table according to claim 1, wherein: an electric rod is arranged inside the lifting cylinder (2), and the lifting column (3) is fixedly installed at the top of an output shaft of the electric rod.

3. An adaptive adjustment table according to claim 1, wherein: the utility model discloses a table top, including bent plate (7), the bottom right side fixed mounting of bent plate (7) has electric putter (10), the output shaft top fixed mounting of electric putter (10) is on the outer wall of fixed plate (5), spout (12) have still been seted up to the both sides of fixed plate (5), the inner wall sliding connection of spout (12) has slider (11), slider (11) fixed mounting is in the bottom both sides of table (6).

4. An adaptive adjustment table according to claim 1, wherein: the utility model discloses a table top, including bent plate (7), the bottom right side fixed mounting of bent plate (7) has motor (13), the output shaft top fixed mounting of motor (13) has lead screw (14), lead screw (14) threaded connection is in the inside of fixed plate (5), spout (12) have still been seted up to the both sides of fixed plate (5), the inner wall sliding connection of spout (12) has slider (11), slider (11) fixed mounting is in the bottom both sides of table (6).

5. An adaptive desk control system for an adaptive desk as claimed in any one of claims 1 to 4, wherein: the method comprises the following steps:

the image acquisition module comprises a camera (9) and is used for acquiring key point information of a human body and desktop information;

the lifting driving module is used for controlling the lifting column (3) to ascend or descend through an electric rod and adjusting the height of the table plate (6);

the translation driving module is used for controlling the table plate (6) to translate through an electric push rod (10) or a motor (13) and adjusting the front position and the rear position of the table plate (6);

6. An adaptively adjusted table control system as in claim 5, wherein: the specific measuring and calculating method of the human body recognition module comprises the following steps:

the camera (9) collects information of the edge of the desktop and information of the information identification points on the desktop, pixels of the information identification points are compared with pixels of a picture of the camera (9), the position and the angle of the camera (9) from the desktop are calculated according to the pixel proportion of the information points on the desktop and the angular distortion caused by shooting of the information points on the desktop, and the accurate size of the human body and the position of each part of the human body in the space are measured and calculated according to the position and the angle.

7. An adaptively adjusted table control system as in claim 5, wherein: the system further comprises a database, wherein the database is used for storing the human body postures of the health standards.

8. An adaptively adjusted table control system as in claim 7, wherein: the gesture recognition module comprises the following processing steps:

s1: the camera (9) is used for collecting images of a user, key points of the body of the user are identified, the key points comprise a head, a forehead, two eyes, a nose, a mouth, a jaw, a neck, a chest, two shoulders, two elbows, two wrists and ten fingers, and the posture of the body of the user is identified and judged through the position relation of the key points of the body;