CN114776996A

CN114776996A - Ceiling television bracket and control method thereof

Info

Publication number: CN114776996A
Application number: CN202111596750.6A
Authority: CN
Inventors: 项乐宏; 林涛; 邵同旺; 郑世武
Original assignee: Loctek Ergonomic Technology Co Ltd
Current assignee: Loctek Ergonomic Technology Co Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-22

Abstract

The invention provides a ceiling television bracket and a control method thereof, which relate to the technical field of television brackets and comprise a fixed seat horizontally fixed on a ceiling and a bracket main body used for installing and positioning a television, wherein the bracket main body is hinged with the fixed seat through a folding assembly, and a driving assembly used for driving the folding assembly is arranged in the fixed seat; the driving assembly comprises a screw rod arranged along the length direction of the fixing seat and a driving motor for driving the screw rod to rotate, a screw rod nut is assembled on the screw rod and is connected with the folding assembly through a connecting shaft for controlling the connecting shaft to do reciprocating motion so as to realize that the bracket main body and the fixing seat are in an open or furled state. The intelligent control system can realize intelligent control by installing the corresponding driving assembly and the control box for controlling the driving assembly to operate on the fixed seat.

Description

Ceiling television bracket and control method thereof

Technical Field

The invention relates to the technical field of television supports, in particular to a ceiling television support and a control method thereof.

Background

At present, the fixing mode of the television is flexible and various, wherein the liquid crystal television with a small screen is generally favored by the public, and the application range of the liquid crystal television with the small screen is greatly expanded due to the reasons of unlimited use space and the like. How to conveniently adjust the bracket for fixing the television is also more and more valued by the majority of users.

In the prior art, a fixed plate on a fixed frame is generally lifted and adjusted by adopting a rope rolling structure or a mechanism which is matched with a mechanical folding structure, and the rope rolling structure is a flexible part, so that the stability is poor in the driving process, and the television is easy to shake when lifted and lowered; in addition, the connection between the rope winding structure and the fixed plate in the prior art is usually exposed, so that the rope winding connected between the fixed plate and the fixed seat can be obviously seen, and the integral television bracket is poor in aesthetic property.

Disclosure of Invention

The invention solves the problem of how to make the lifting adjustment of the television more stable and convenient, and has beautiful appearance.

In order to solve the problems, the invention provides a ceiling television bracket which comprises a fixed seat horizontally fixed on a ceiling and a bracket main body used for installing and positioning a television, wherein the bracket main body is hinged with the fixed seat through a folding assembly, and a driving assembly used for driving the folding assembly is arranged in the fixed seat;

the driving assembly comprises a screw rod arranged along the length direction of the fixed seat and a driving motor for driving the screw rod to rotate, a screw rod nut is assembled on the screw rod and is connected with the folding assembly through a connecting shaft for controlling the connecting shaft to reciprocate so as to realize the opening or closing state between the bracket main body and the fixed seat;

the folding mechanism is characterized in that a control box used for controlling the driving assembly to move is arranged on the fixing seat, a travel switch assembly is arranged at the position, close to the driving motor, of the bottom of the fixing seat and used for controlling the folding angle of the folding assembly and the movement speed of the folding assembly in an opening or closing state, and the control box is connected with the travel switch assembly through a signal line.

After the structure is adopted, the connecting shaft is arranged on the fixed seat in a sliding manner and is connected with the folding assembly, the angle adjustment between the support main body and the fixed seat can be realized by the sliding of the connecting shaft along the length direction of the fixed seat, and the intelligent control and more convenient control are realized by installing the corresponding driving assembly and the control box for controlling the driving assembly to operate on the fixed seat; and the driving component drives the connecting shaft to move so as to realize the opening or closing state between the bracket main body and the fixed seat.

Further, the fixing base is a metal plate frame with an upper opening and a lower opening, and a first metal plate seat and a second metal plate seat are arranged in the inner cavity of the metal plate frame at intervals.

After adopting above-mentioned structure, the sheet metal frame can conveniently assemble drive assembly and control box.

Furthermore, the both ends of lead screw normal running fit respectively be in first panel beating seat with on the second panel beating seat, driving motor installs on the second panel beating seat, just driving motor's output shaft with the one end coupling of lead screw.

After adopting above-mentioned structure, driving motor controls through the control box and starts and slew rate, and the lead screw orders about screw-nut under driving motor's drive, and screw-nut passes through the connecting axle and is connected with folding assembly to be used for controlling the connecting axle and make reciprocating motion.

Further, one end of the fixed seat is provided with a motor shell used for surrounding the outside of the driving motor.

After adopting above-mentioned structure, the motor casing is used for protecting driving motor to it influences pleasing to the eye to avoid exposing outside.

Furthermore, sliding grooves extending along the length direction of the two side walls of the fixed seat are formed in the two side walls of the fixed seat, and two ends of the connecting shaft are respectively assembled in the sliding grooves in a sliding mode.

After the structure is adopted, the connecting shaft is driven by the driving motor to reciprocate in the sliding groove, and the action state of opening or closing the folding mechanism is further controlled.

Furthermore, both ends of the connecting shaft are respectively connected with sliding blocks, and the two sliding blocks are respectively in sliding fit in the corresponding sliding grooves.

A method of controlling a ceiling television stand, the method comprising the steps of:

s1: detecting the angle between the current fixed seat and the bracket main body, and detecting the number of turns and the rotating direction of the driving motor;

s2: judging the current posture of the folding assembly according to the number of rotation turns and the rotation direction of the driving motor, wherein the posture of the folding assembly refers to the state that the bracket main body and the fixed seat are opened or closed;

s3: comparing the current angle between the fixed seat and the bracket main body with a preset angle corresponding to the current posture of the folding assembly to obtain a control signal for adjusting the running speed;

s4: sending a control signal to a control box corresponding to a driving motor to be driven, driving a screw rod nut on a screw rod to drive a connecting shaft to do reciprocating motion, and driving the current folding assembly until the corresponding preset angle under the posture is reached;

s5: and detecting the angle between the current fixed seat and the support main body, and triggering the travel switch assembly to control the driving motor to stop running when the corresponding preset angle is reached under the posture.

After the method is adopted, when the support main body needs to be folded and recovered, the folding assembly can perform recovery action at a speed from fast to slow, when the storage angle reaches a zero angle, the travel switch assembly can be triggered, and meanwhile, the driving motor is controlled to stop rotating to keep the television support in a static state.

Furthermore, an angle encoder arranged between the bracket main body and the fixed seat is used for detecting the angle or the movement stroke of the sliding block is detected by a displacement sensor arranged in the sliding chute;

the positions of the sliding blocks in the sliding grooves correspond to the angles of the bracket main body and the fixed seat one by one; through the proximity switch who sets up in the motor casing with detection driving motor pivoted number of turns and direction of rotation to send the detected value to the control box.

Further, the controller box judges the posture of the current folding assembly according to the number of turns of the motor and the rotation direction;

when the support main body and the fixed seat are in an open state, acquiring a motion stroke of the sliding block withdrawn along the sliding groove detected by the displacement sensor in the sliding groove, sending a control signal to the control box, controlling the driving motor to start and gradually reducing the rotating speed of the driving motor until the angle encoder detects that the angle between the support main body and the fixed seat reaches the corresponding angle under the posture, and triggering the travel switch assembly to control the driving motor to stop running;

when the support main body and the fixing seat are in a furled state, the motion stroke of the sliding block extending out along the sliding groove is detected by the displacement sensor in the sliding groove, the control signal is sent to the control box, the driving motor is controlled to start and the rotating speed of the driving motor is gradually reduced until the angle encoder detects that the angle between the support main body and the fixing seat reaches the corresponding angle under the posture, and the travel switch assembly is triggered to control the driving motor to stop running.

Further, a preset angle database corresponding to the posture of the folding assembly is pre-programmed into the control box.

The technical scheme adopted by the invention has the following beneficial effects:

according to the invention, the connecting shaft is arranged on the fixed seat in a sliding manner, and the angle between the bracket main body and the fixed seat can be adjusted by the sliding of the connecting shaft along the length direction of the fixed seat; and the driving component drives the connecting shaft to move. When the support main part needs folding recovery, folding assembly can retrieve the action according to by fast to slow speed, when accomodating the angle and reaching the zero degree angle, can trigger the travel switch subassembly, and control driving motor stall simultaneously keeps quiescent condition with TV support. The whole structure of the bracket is neat and beautiful, and the lifting adjustment of the bracket main body is stable and reliable.

Drawings

Fig. 1 is a schematic structural diagram of a ceiling tv stand according to an embodiment of the present invention;

fig. 2 is a first schematic structural diagram of a fixing base and a folding assembly of a ceiling television bracket according to a first embodiment of the present invention;

fig. 3 is a second schematic structural view of a fixing base and a folding assembly of a ceiling television bracket according to a first embodiment of the present invention;

fig. 4 is a flowchart of a control method of a ceiling tv stand according to a second embodiment of the present invention;

description of the reference numerals:

1-a fixed seat, 101-a first sheet metal seat, 102-a second sheet metal seat, 103-a motor shell, 104-a sliding chute, 2-a bracket main body, 3-a screw rod, 4-a screw rod nut, 5-a connecting shaft, 6-a driving motor, 7-a control box, 8-a travel switch assembly and 9-a sliding block.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Example one

The embodiment provides a ceiling television bracket, as shown in fig. 1 to 3, which includes a fixing seat 1 for horizontally fixing on a ceiling and a bracket main body 2 for installing and positioning a television, wherein the bracket main body 2 is hinged with the fixing seat 1 through a folding assembly, and a driving assembly for driving the folding assembly is arranged in the fixing seat 1;

the driving assembly comprises a screw rod 3 arranged along the length direction of the fixed seat 1 and a driving motor 6 for driving the screw rod 3 to rotate, a screw rod nut 4 is assembled on the screw rod 3, and the screw rod nut 4 is connected with the folding assembly through a connecting shaft 5 and used for controlling the connecting shaft 5 to do reciprocating motion so as to realize that the support main body 2 and the fixed seat 1 are in an open or folded state;

the fixing seat 1 is provided with a control box 7 used for controlling the movement of the driving assembly, the bottom of the fixing seat 1 is provided with a travel switch assembly 8 close to the driving motor and used for controlling the folding angle of the folding assembly and the movement speed of the folding assembly in the opening or closing state, and the control box 7 is connected with the travel switch assembly 8 through a signal line.

Specifically, the angle between the support main body 2 and the fixing seat 1 can be adjusted by sliding the connecting shaft 5 along the length direction of the fixing seat 1 through the connecting shaft 5 arranged on the fixing seat 1 in a sliding manner, and intelligent control and more convenient control are realized by installing a corresponding driving assembly and a control box 7 for controlling the driving assembly to operate on the fixing seat 1; and the driving component drives the connecting shaft 5 to move so as to realize the opening or closing state between the bracket main body 2 and the fixed seat 1.

Referring to fig. 2 and fig. 3, wherein the fixing base 1 is a metal plate frame with an upper opening and a lower opening, and a first metal plate seat 101 and a second metal plate seat 102 are arranged in the inner cavity of the metal plate frame at intervals.

Specifically, the sheet metal frame can be conveniently provided with the driving assembly and the control box 7.

Two ends of the screw rod 3 are respectively and rotatably matched on the first metal plate seat 101 and the second metal plate seat 102, the driving motor 6 is installed on the second metal plate seat 102, and an output shaft of the driving motor 6 is coupled with one end of the screw rod 3.

Specifically, the driving motor 6 controls the starting and rotating speed through the control box 7, the screw rod 3 drives the screw rod nut 4 under the driving of the driving motor 6, and the screw rod nut 4 is connected with the folding assembly through the connecting shaft 5 and used for controlling the connecting shaft 5 to do reciprocating motion.

Wherein, one end of the fixed seat 1 is provided with a motor casing 103 for surrounding the outside of the driving motor 6.

Specifically, the motor housing 103 is used to protect the driving motor 6 from being exposed to the outside to affect the appearance.

Wherein, the both sides wall of fixing base 1 is equipped with the spout 104 that extends along its length direction, and the both ends of connecting axle 5 are the sliding fit respectively in spout 104.

Specifically, the driving motor 6 drives the connecting shaft 5 to reciprocate in the sliding slot 104, so as to control the opening or closing state of the folding mechanism.

Referring to fig. 3, the bracket body 2 is hinged to the fixing base 1 through the folding assembly, two side walls of the fixing base 1 are provided with sliding grooves 104 extending along the length direction of the fixing base, the bottom of the fixing base 1 is provided with a travel switch assembly 8 near the driving motor, and one end of the fixing base 1 is provided with a motor casing 103.

Wherein, the two ends of the connecting shaft 5 are respectively connected with a sliding block 9, and the two sliding blocks 9 are respectively in sliding fit in the corresponding sliding grooves 104.

According to the invention, the connecting shaft is arranged on the fixed seat in a sliding manner, and the angle between the bracket main body and the fixed seat can be adjusted by the sliding of the connecting shaft along the length direction of the fixed seat; and the driving component drives the connecting shaft to move. The whole structure of the bracket is neat and attractive, and the lifting adjustment of the bracket main body is stable and reliable.

Example two

The present embodiment provides a method for controlling a ceiling television stand, as shown in fig. 4, the method includes the steps of:

Specifically, when the support main part needs folding recovery, folding assembly can be according to retrieving the action by fast to slow speed, when accomodating the angle and reaching the zero degree angle, can trigger the travel switch subassembly, and control driving motor stall simultaneously keeps quiescent condition with TV support.

The angle encoder arranged between the bracket main body and the fixed seat is used for detecting the angle or the displacement sensor arranged in the sliding chute is used for detecting the movement stroke of the sliding block;

The controller box judges the posture of the current folding assembly according to the number of turns of the motor and the rotation direction;

when the support main body and the fixing seat are in a folded state, the motion stroke of the sliding block extending out along the sliding groove detected by the displacement sensor in the sliding groove is obtained, a control signal is sent to the control box, the driving motor is controlled to start and the rotating speed of the driving motor is gradually reduced until the angle encoder detects that the angle between the support main body and the fixing seat reaches the corresponding angle under the posture, and the travel switch assembly is triggered to control the driving motor to stop running.

And a preset angle database corresponding to the posture of the folding assembly is pre-burnt into the control box.

According to the structure, the corresponding driving assembly and the control box for controlling the driving assembly to run are mounted on the fixed seat, so that intelligent control is realized, and the control is more convenient; and the driving component drives the connecting shaft to move. When the support main part needs folding recovery, folding assembly can retrieve the action according to by fast to slow speed, when accomodating the angle and reaching the zero degree angle, can trigger the travel switch subassembly, and control driving motor stall simultaneously keeps quiescent condition with TV support. The whole structure of the bracket is neat and attractive, and the lifting adjustment of the bracket main body is stable and reliable.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.

Claims

1. A ceiling television bracket is characterized by comprising a fixed seat (1) horizontally fixed on a ceiling and a bracket main body (2) used for installing and positioning a television, wherein the bracket main body (2) is hinged with the fixed seat (1) through a folding assembly, and a driving assembly used for driving the folding assembly is arranged in the fixed seat (1);

the driving assembly comprises a screw rod (3) arranged along the length direction of the fixing seat (1) and a driving motor (6) for driving the screw rod (3) to rotate, a screw rod nut (4) is assembled on the screw rod (3), and the screw rod nut (4) is connected with the folding assembly through a connecting shaft (5) and is used for controlling the connecting shaft (5) to do reciprocating motion so as to realize that the bracket main body (2) and the fixing seat (1) are in an opening or closing state;

the folding mechanism is characterized in that a control box (7) used for controlling the driving assembly to move is arranged on the fixing seat (1), a travel switch assembly (8) is arranged at the position, close to the driving motor, of the bottom of the fixing seat (1) and used for controlling the folding angle of the folding assembly and the movement speed of the folding assembly in an opening or closing state, and the control box (7) is connected with the travel switch assembly (8) through a signal line.

2. The ceiling television bracket according to claim 1, characterized in that the fixing seat (1) is a sheet metal frame with an opening at the upper and lower parts, and a first sheet metal seat (101) and a second sheet metal seat (102) are arranged at intervals in an inner cavity of the sheet metal frame.

3. A ceiling television bracket according to claim 2, characterized in that both ends of the screw (3) are respectively and rotationally fitted on the first sheet metal seat (101) and the second sheet metal seat (102), the driving motor (6) is mounted on the second sheet metal seat (102), and an output shaft of the driving motor (6) is coupled to one end of the screw (3).

4. A ceiling television stand according to claim 1, characterised in that one end of the holder (1) is provided with a motor housing (103) for enclosing outside the drive motor (6).

5. A ceiling television bracket according to claim 1, characterised in that the two side walls of the fixed base (1) are provided with sliding grooves (104) extending along the length direction thereof, and the two ends of the connecting shaft (5) are respectively slidably fitted in the sliding grooves (104).

6. A ceiling TV stand according to claim 5, characterised in that the two ends of the connecting shaft (5) are connected with slide blocks (9) respectively, and the two slide blocks (9) are in sliding fit in the corresponding slide grooves (104) respectively.

7. A control method for controlling the ceiling television stand of any one of claims 1 to 6, characterized in that the method comprises the steps of:

s4: sending a control signal to a control box corresponding to a driving motor to be driven, driving a screw rod nut on a screw rod to drive a connecting shaft to do reciprocating motion, and driving a current folding assembly until the current folding assembly reaches a corresponding preset angle under the posture;

8. The control method of the ceiling television bracket according to claim 7, wherein the angle is detected by an angle encoder provided between the bracket main body and the fixing base or the moving stroke of the slider is detected by a displacement sensor installed in the slide groove;

9. The ceiling television stand control method of claim 8, wherein the controller box determines the current attitude of the folding assembly based on the number of turns and direction of rotation of the motor;

10. A ceiling television stand control method according to claim 7 in which a database of preset angles corresponding to the attitude of the folding assembly is pre-programmed into the control box.