CN111281732A

CN111281732A - Massage chair control method for local massage of waist and back

Info

Publication number: CN111281732A
Application number: CN201811489273.1A
Authority: CN
Inventors: 林琪; 刘广涛; 王贵华; 屈勇
Original assignee: Shanghai Rongtai Health Technology Corp Ltd
Current assignee: Shanghai Rongtai Health Technology Corp Ltd
Priority date: 2018-12-06
Filing date: 2018-12-06
Publication date: 2020-06-16

Abstract

The invention provides a massage chair control method for carrying out local massage on the waist and the back, wherein two groups of kneading heads are arranged on a massage chair, a first motor for driving the kneading heads to rotate, a second motor for driving the kneading heads to move along the height direction of a massage person and a third motor for driving the kneading heads to move back and forth, a control system acquires the position of the waist and the back of the massage person, and the two groups of kneading heads carry out local massage on the waist and the back, which is different from the existing massage chair without targeted massage.

Description

Massage chair control method for local massage of waist and back

Technical Field

The invention relates to a massage control method of a massage armchair, in particular to a massage armchair control method for carrying out local massage on the waist and the back.

Background

The massage chair utilizes the mechanical rolling force action and the mechanical force extrusion to carry out massage, and the manual massage can dredge channels and collaterals, lead qi and blood to circulate and keep the yin-yang balance of the organism, so that people can feel relaxed muscles after massage, have flexible joints, excite people, eliminate fatigue and play an important role in ensuring the health. However, the existing massage chairs only can massage the back of the body in a general way, and cannot massage special parts of the body specifically, namely, the massage chairs have few massage forms or types and cannot bring about better experience.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a massage chair control method for performing a local massage with respect to the low back.

In order to achieve the above and other related objects, the present invention provides a control method of a massage chair for local massage of the back and the waist, the massage chair is provided with two sets of kneading heads, a first motor for driving the two sets of kneading heads to rotate, a second motor for driving the two sets of kneading heads to move along the height direction of a massage person, a third motor for driving the two sets of kneading heads to move back and forth, and a control system, wherein the control system obtains the height of the massage person, the area of the back of the massage person to be massaged have a start massage position and an end massage position which are sequentially arranged in the height direction, and the preset positions to which the two sets of kneading heads need to move in the front and back directions; the first motor can drive the two groups of kneading heads to move to a position where the distance between the two groups of kneading heads is minimum and a position where the distance between the two groups of kneading heads is maximum, and the position where the distance between the two groups of kneading heads is minimum and the position where the distance between the two groups of kneading heads is maximum are two spacing limit positions of the two groups of kneading heads; the control method of the massage chair for carrying out local massage on the waist and the back comprises the following steps:

1) the control system controls the second motor to drive the two groups of kneading heads to move to a starting massage position of the waist and back, controls the first motor to execute movement, enables the two groups of kneading heads to rotate, enables the two groups of kneading heads to reach one of two spacing limit positions of the two groups of kneading heads in the rotating process, and controls the third motor to move to a preset position required by the two groups of kneading heads in the front-back direction;

2) the control system controls the first motor to perform movement, so that the two groups of kneading heads rotate and move towards the other spacing limit position of the two spacing limit positions of the two groups of kneading heads during the rotation, and simultaneously controls the second motor to drive the two groups of kneading heads to move towards the massage termination position of the waist and the back;

3) when the distance between the two groups of the kneading heads reaches the other distance limit position of the two distance limit positions of the two groups of the kneading heads, the control system controls the first motor and the second motor to stop;

4) the control system controls the first motor to perform movement, so that the two groups of kneading heads rotate and move towards one of the two spacing limit positions of the two groups of kneading heads reached in the step 1) in the rotating process, and simultaneously, the control system controls the second motor to drive the two groups of kneading heads to move towards the starting massage position of the waist and the back;

5) when the spacing between the two groups of kneading heads reaches one of the two spacing limit positions of the two groups of kneading heads in the step 1), controlling the first motor and the second motor to stop by the control system;

repeat step 2).

Preferably, when the massage chair control method for performing local massage on the back and the waist is to perform local three-dimensional massage on the back and the waist:

in step 1), the control system controls the third motor to move the two sets of kneading heads to a rear limit;

in the step 2), the control system controls the first motor and the second motor to start running, and simultaneously controls the third motor to enable the two groups of kneading heads to move forwards in a limiting manner;

in the step 3), when the two groups of kneading heads move to a front limit position, the control system controls the third motor to stop;

in the step 4), the control system controls the first motor and the second motor to start running, and simultaneously controls the third motor to enable the two groups of kneading heads to move backwards in a limiting way;

in step 5), when the two groups of kneading heads move to a rear limit position, the control system controls the third motor to stop.

Preferably, when the massage chair control method for performing the local massage on the lumbar and the back is to perform the local three-dimensional massage on the back in the lumbar and the back:

in the step 1), one of the two spacing limit positions is the position with the minimum spacing between the two groups of kneading heads;

in step 2), the other of the two spacing limit positions is a position where the spacing between the two sets of kneading heads is maximum.

Preferably, when the massage chair control method for performing the local massage on the waist and the back is to perform the local three-dimensional massage on the waist in the waist and the back:

in the step 1), one of the two spacing limit positions is the position with the largest spacing between the two groups of kneading heads;

in step 2), the other of the two spacing limit positions is the position where the spacing between the two sets of kneading heads is the smallest.

Preferably, the front limit and the rear limit of the kneading head are realized by matching front and rear limit magnets with first induction electronic elements and second induction electronic elements which are arranged in front and rear, and feeding back signals to the control system, and the front and rear limit magnets are arranged on a front and rear linkage rod which is in transmission connection with the kneading head.

Preferably, the first motor moves to enable the distance between the two groups of kneading heads to be detected by the following method: spacing magnets are mounted on kneading linkage rods in transmission connection with the kneading heads, an induction circuit board is fixed on the first motor, narrow and wide induction elements corresponding to the minimum value and the maximum value of the spacing between the two groups of kneading heads respectively are arranged in the induction circuit board, and the current spacing value between the two groups of kneading heads is obtained by feeding back signals to a control system through the spacing magnets in the induction spacing between the narrow and wide induction elements.

As described above, the method for controlling a massage chair for performing a local massage on the back and the waist according to the present invention has the following advantageous effects: the multifunctional lumbar and back massager can massage the local part of the lumbar and back of a human body, achieves the optimized massage mode of the lumbar and back, and realizes diversified massage modes of the lumbar and back.

Drawings

Fig. 1 shows a massage chair.

Fig. 2 is a schematic view of a massage movement in the massage chair.

Fig. 3 is a schematic view showing a state where the pitch of the kneading heads in the massage movement is widened.

Fig. 4 is a schematic view showing a state in which the pitch of the kneading heads in the massage movement is narrowed.

Fig. 5 is a schematic view showing a rear limit state of a kneading head in the massage movement.

Fig. 6 is a schematic view showing a state of a front limit of a kneading head in the massage movement.

Description of the element reference numerals

1 first Motor

2 leather belt

3 first gear box

4 induction circuit board

5 spacing magnet

6 kneading head

7 kneading linkage rod

8 cam

9 kneading crank

10 securing bolt

11 base

12 controller

13 massage machine core

14-stroke guide rail

15 drive gear

16 second motor

17 third motor

18 second gearbox

19 front and rear linkage rod

20 pinion

21 front and rear guide rail gear

22 first inductive electronic component

23 front and rear direction limiting magnet

24 rear limit baffle

25 front limit baffle

26 second inductive electronic component

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1 to 6. It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions that the present disclosure can be implemented, so that the present disclosure is not limited to the technical essence, and any structural modifications, ratio changes, or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

The directions in this specification are defined as: sitting in the massage chair according to the human body, wherein the height direction of the human body is the up-down direction, the front-back direction of the human body is the front-back direction, the face of the human body faces to the front, and the back of the human body faces to the back; similarly, the clockwise direction and the counterclockwise direction corresponding to the human face are the clockwise direction and the counterclockwise direction in this specification.

As shown in fig. 1 and 6, the massage chair of the present invention has a specific structure for massaging the upper part of the human body (including the shoulder, back and waist) comprising: a controller 12, a massage machine core 13 and a stroke mechanism which can make the massage machine core 13 move up and down along the back of the human body; the massage machine core 13 is provided with two sets of kneading heads 6, a first motor 1 for driving the kneading heads 6 to rotate, a second motor 16 for driving the kneading heads 6 to move in the height direction (i.e., up-down direction) of the massage person, and a third motor 17 for driving the kneading heads 6 to move back and forth.

In this embodiment, the first motor 1 is fixed on the base 11, the first motor 1 drives the first gear box 3 to move through the belt 2, the first gear box 3 drives the kneading linkage rod 7, the kneading linkage rod 7 drives the cam 8 in the kneading crank 9 to rotate, the rotation of the cam 8 drives the kneading crank 9 to move, the fixing bolt 10 drives the kneading heads 6 to move, the kneading heads 6 can drive the two groups of kneading heads 6 to rotate, when the two groups of kneading heads 6 rotate counterclockwise, as shown in fig. 3, the direction indicated in the figure is the counterclockwise direction, and the distance between the two groups of kneading heads 6 is widened; when the kneading heads 6 of both sets are rotated clockwise, as shown in fig. 4, which is a clockwise rotation direction, the distance between the kneading heads 6 of both sets becomes narrow.

In order to detect the distance between the two groups of kneading heads 6, in the embodiment, a spacing limiting magnet 5 is installed on a kneading linkage rod 7 in transmission connection with the kneading heads 6, an induction circuit board 4 is fixedly arranged on a first gear box 3 of a first motor 1, a narrow induction element corresponding to the minimum value of the spacing between the two groups of kneading heads 6 and a wide induction element corresponding to the maximum value of the spacing between the two groups of kneading heads 6 are arranged in the induction circuit board 4, and a signal is fed back to a controller through the spacing limiting magnet 5 by the narrow and wide induction elements, so that whether the current spacing value between the two groups of kneading heads 6 is the minimum value or the maximum value is obtained. Namely, the controller 12 outputs a command to enable the first motor 1 to drive the kneading heads 6 to move back and forth, the kneading linkage rod 7 rotates for one circle, the induction circuit board 4 can generate wide and narrow signals to the controller 12, and the controller 12 can determine the distance between the two groups of kneading heads according to the fed-back signals, so as to drive other action mechanisms (namely, the second motor 16 and the third motor 17) to act. In the embodiment, the cam 8 rotates for one circle, the kneading crank 9 moves clockwise or anticlockwise according to an elliptical track, the distance between the two groups of kneading heads 6 at the narrowest part is 3cm, and the distance between the two groups of kneading heads at the widest part is 21 cm.

In this embodiment, the second motor 16 can drive the massage machine core 13 to move on the travel guide rail 14, so as to realize the up-and-down movement of the massage machine core. The second motor 16 is connected with the transmission gear 15 and forms the stroke mechanism together with the stroke guide rail 14, and the second motor 16 rotates to drive the transmission gear 15 to rotate along the stroke guide rail 14, so that the massage machine core 13 moves up and down along the back of the human body.

The third motor 17 is fixed on the base 11, the third motor 17 rotates to drive the gear in the second gear box 18 to rotate, so as to drive the front and rear linkage rods 19 to move, the pinions 20 fixed on the front and rear linkage rods 19 also rotate synchronously, and the pinions 20 are main transmission gears to drive the front and rear guide rail gears 21 to move forwards and backwards.

In this embodiment, the front and rear linkage rod 19 is provided with a front and rear limiting magnet 23, the first induction electronic element 22 and the second induction electronic element 26 are fixed on the base 11 in a front and rear manner, the first induction electronic element 22 and the second induction electronic element 26 are both located within an induction range of the front and rear limiting magnet 23, the front and rear limiting magnet 23 rotates, the first induction electronic element 22 can generate a front limiting signal or the second induction electronic element 26 can generate a rear limiting signal, the front limiting signal and the rear limiting signal can be provided to the controller 12, and the controller 12 determines whether the kneading head 6 is located at a front position or a rear position after receiving the signals, so as to control other actuating mechanisms (i.e., the first motor 1 and the second motor 16) to actuate. It can also be understood that, as shown in fig. 5 and 6, when the pinion 20 moves to the rear limit fence 24, a rear limit signal is generated, and when the pinion 20 moves to the front limit fence 25, a front limit signal is generated. Figure 5 shows the massage movement 13 in the forward limit, seen with the rear limit stop 24. The massage movement 13 is shown in figure 6 in a rear limit position, where the front limit stop 25 is seen.

The control system is a controller 12. The massage chair is provided with a height detector (not shown) which can detect the height reached by the two groups of kneading heads 6.

Example 1

In this embodiment, the control method of the massage chair for performing local massage on the waist and the back is to massage the trapezius muscle of the back, and the controller 12 obtains the height of the massage person, the area of the back of the massage person to be massaged, the sequentially set initial massage position and final massage position in the height direction of the area of the back of the massage person to be massaged, and the preset positions to which the two sets of kneading heads 6 need to move in the front-back direction; in this embodiment, the initial massaging position of the back is the boundary of the back, and the final massaging position of the back is the reference position of the shoulder. The shoulder reference position corresponds to the upper edge of a first thoracic vertebra of the human body, namely is horizontal to the Jianjing acupoint; the lumbosacral demarcation line is defined as: the fifth lumbar and sacrum boundary; the back and waist line is defined as: the twelfth thoracic vertebra and the first lumbar vertebra. In this embodiment, the distance between the shoulder reference position and the lumbar-back boundary in the height direction is 159 mm.

The first motor 1 can drive the two groups of kneading heads 6 to move to a position where the distance between the two groups of kneading heads 6 is minimum and a position where the distance between the two groups of kneading heads 6 is maximum, and the position where the distance between the two groups of kneading heads 6 is minimum and the position where the distance between the two groups of kneading heads 6 is maximum are two spacing limit positions of the two groups of kneading heads 6;

the control method of the massage chair for carrying out local massage on the trapezius muscles of the waist and the back comprises the following steps:

1) the controller 12 controls the second motor 16 to drive the two groups of kneading heads 6 to move to the initial massage position of the back, the controller 12 controls the first motor 1 to execute movement, so that the two groups of kneading heads 6 rotate, and in the rotating process, the two groups of kneading heads 6 reach one of two spacing limit positions of the two groups of kneading heads 6, in the embodiment, one of the two spacing limit positions of the two groups of kneading heads 6 is the position with the smallest spacing of the two groups of kneading heads 6, and the spacing of the two groups of kneading heads 6 reaches the minimum value of 3 cm; the controller 12 controls the third motor 17 to move the two groups of kneading heads 6 to the preset positions in the front-back direction;

2) the controller 12 controls the first motor 1 to perform a movement, so that the two sets of kneading heads 6 rotate, and during the rotation, the two sets of kneading heads 6 move towards a direction reaching the other spacing limit position of the two spacing limit positions of the two sets of kneading heads 6, in the present embodiment, the other spacing limit position of the two spacing limit positions of the two sets of kneading heads 6 is the position with the largest spacing between the two sets of kneading heads 6, and the spacing between the two sets of kneading heads 6 reaches the maximum value of 21 cm; meanwhile, the controller 12 controls the second motor 16 to drive the two groups of kneading heads 6 to move towards the massage termination position of the waist and the back, namely, the massage machine core 13 moves upwards along the travel guide rail 14;

3) when the pitch of the two sets of kneading heads 6 reaches the other pitch limit position of the two pitch limit positions of the two sets of kneading heads 6, the controller 12 controls the first motor 1 and the second motor 16 to stop;

4) the controller 12 controls the first motor 1 to execute movement, so that the two groups of kneading heads 6 rotate, and in the rotating process, the two groups of kneading heads 6 move towards one of the two spacing limit positions of the two groups of kneading heads 6 reached in the step 1), and simultaneously, the controller 12 controls the second motor 16 to drive the two groups of kneading heads 6 to move towards the initial massage position of the waist and back, namely, the massage machine core 13 moves downwards along the travel guide rail 14;

5) when the pitch of the two sets of kneading heads 6 reaches one of the two pitch limit positions of the two sets of kneading heads 6 in step 1), the controller 12 controls the first motor 1 and the second motor 16 to stop;

6) repeat step 2).

The massage chair control method of the embodiment is used for massaging the trapezius muscle, and the kinematic anatomy of the trapezius muscle is defined as: from the occipital protuberance, superior nuchal line, nuchal ligament, cervical vertebra 7 and all thoracic vertebra spinous processes; the fibers are divided into three parts, namely, the upper part, the middle part and the lower part, which are respectively stopped at the outer side 1/3 of the clavicle, the scapular spine and the acromion. When the scapula is fixed, the upper fibers shrink to lift, rotate upwards and retract; the fibers in the middle contract to enable the scapula to retract and rotate upwards; the fibers at the lower part contract to make the scapula descend and rotate upwards. When far fixation, one side contracts to enable the head to bend towards the same side and rotate towards the opposite side; contracting the two sides to straighten the head and the spine; the muscle can be developed in children to prevent and correct kyphosis.

In the step 2) of this embodiment, in the process of moving the two sets of kneading heads 6 upward, the distance between the two sets of kneading heads 6 is gradually enlarged, so as to realize the process of massaging from the spine to both sides while massaging upward; in the step 4), in the process that the two groups of kneading heads 6 move downwards, the distance between the two groups of kneading heads 6 is gradually reduced, so that the process of massaging from two sides to the spine while massaging downwards is realized, and the massage of the trapezius is realized according to the kinematic anatomical characteristics of the trapezius.

Example 2

In this embodiment, the control method of the massage chair for performing local massage on the waist and the back includes massaging the back of the waist and the back, where the initial massage position of the waist and the back is a boundary of the waist and the final massage position of the waist and the back is a shoulder reference position; the method comprises the following steps:

1) the controller 12 controls the second motor 16 to drive the two groups of kneading heads 6 to move to the initial massage position of the back, the controller 12 controls the first motor 1 to execute movement, so that the two groups of kneading heads 6 rotate, and in the rotating process, the two groups of kneading heads 6 reach one of two spacing limit positions of the two groups of kneading heads 6, in the embodiment, one of the two spacing limit positions of the two groups of kneading heads 6 is the position with the smallest spacing of the two groups of kneading heads 6, and the spacing of the two groups of kneading heads 6 reaches the minimum value of 3 cm; the controller 12 controls the third motor 17 to move the two sets of kneading heads 6 to the rear limit; in this embodiment, the rear limit signal is fed back to the controller 12 through the second sensing electronic element 26 and the front-rear direction limit magnet 23;

2) the controller 12 controls the first motor 1 to perform a movement, so that the two sets of kneading heads 6 rotate, and during the rotation, the two sets of kneading heads 6 move towards a direction reaching the other spacing limit position of the two spacing limit positions of the two sets of kneading heads 6, in the present embodiment, the other spacing limit position of the two spacing limit positions of the two sets of kneading heads 6 is the position with the largest spacing between the two sets of kneading heads 6, and the spacing between the two sets of kneading heads 6 reaches the maximum value of 21 cm; meanwhile, the controller 12 controls the second motor 16 to drive the two groups of kneading heads 6 to move towards the massage termination position of the waist and the back, namely, the massage machine core 13 moves upwards along the travel guide rail 14; meanwhile, the controller 12 controls the third motor 17 to enable the two groups of kneading heads 6 to move forwards in a limiting manner; in this embodiment, the front limit signal is fed back to the controller 12 through the first sensing electronic element 22 and the front-rear direction limit magnet 23;

3) when the pitch of the two sets of kneading heads 6 reaches the other pitch limit position of the two pitch limit positions of the two sets of kneading heads 6, the controller 12 controls the first motor 1 and the second motor 16 to stop; when the two sets of kneading heads 6 move to the front limit, the controller 12 controls the third motor 17 to stop;

4) the controller 12 controls the first motor 1 to execute movement, so that the two groups of kneading heads 6 rotate, and in the rotating process, the two groups of kneading heads 6 move towards one of the two spacing limit positions of the two groups of kneading heads 6 reached in the step 1), and simultaneously, the controller 12 controls the second motor 16 to drive the two groups of kneading heads 6 to move towards the initial massage position of the waist and back, namely, the massage machine core 13 moves downwards along the travel guide rail 14; meanwhile, the controller 12 controls the third motor 17 to enable the two groups of kneading heads 6 to move backwards in a limiting manner; in this embodiment, the rear limit signal is fed back to the controller 12 through the second sensing electronic element 26 and the front-rear direction limit magnet 23;

5) when the pitch of the two sets of kneading heads 6 reaches one of the two pitch limit positions of the two sets of kneading heads 6 in step 1), the controller 12 controls the first motor 1 and the second motor 16 to stop; when the two sets of kneading heads 6 move to the rear limit, the controller 12 controls the third motor 17 to stop.

6) Repeat step 2).

In the step 2) of this embodiment, in the process of moving up the two sets of kneading heads 6, the distance between the two sets of kneading heads 6 is gradually enlarged, and at the same time, the two sets of kneading heads 6 move toward the front limit, so as to realize the process of moving toward the front limit while massaging up, and massaging from the spine to both sides; in the step 4), in the process that the two groups of kneading heads 6 move downwards, the distance between the two groups of kneading heads 6 is gradually reduced, and meanwhile, the two groups of kneading heads 6 move towards the rear limit position, so that the processes of upward massage, movement towards the rear limit position and massage towards the spine from two sides are realized; the embodiment can meet the requirement of back massage.

Example 3

In this embodiment, a method for controlling a massage chair for performing a local massage on a lumbar region includes massaging a lumbar region in the lumbar region, where an initial massage position of the lumbar region is a lumbosacral boundary line, and a final massage position of the lumbar region is a lumbar region boundary line, and includes the following steps:

1) the controller 12 controls the second motor 16 to drive the two groups of kneading heads 6 to move to the initial massage position of the back, the controller 12 controls the first motor 1 to execute movement, so that the two groups of kneading heads 6 rotate, and in the rotating process, the two groups of kneading heads 6 reach one of two spacing limit positions of the two groups of kneading heads 6, in the embodiment, one of the two spacing limit positions of the two groups of kneading heads 6 is the position with the largest spacing of the two groups of kneading heads 6, and the spacing of the two groups of kneading heads 6 reaches the maximum value of 21 cm; the controller 12 controls the third motor 17 to move the two sets of kneading heads 6 to the rear limit; in this embodiment, the rear limit signal is fed back to the controller 12 through the second sensing electronic element 26 and the front-rear direction limit magnet 23;

2) the controller 12 controls the first motor 1 to perform a movement, so that the two sets of kneading heads 6 rotate, and during the rotation, the two sets of kneading heads 6 move towards a direction reaching the other spacing limit position of the two spacing limit positions of the two sets of kneading heads 6, in the present embodiment, the other spacing limit position of the two spacing limit positions of the two sets of kneading heads 6 is a position at which the spacing between the two sets of kneading heads 6 is the smallest, and the spacing between the two sets of kneading heads 6 reaches a minimum value of 3 cm; meanwhile, the controller 12 controls the second motor 16 to drive the two groups of kneading heads 6 to move towards the massage termination position of the waist and the back, namely, the massage machine core 13 moves upwards along the travel guide rail 14; meanwhile, the controller 12 controls the third motor 17 to enable the two groups of kneading heads 6 to move forwards in a limiting manner; in this embodiment, the front limit signal is fed back to the controller 12 through the first sensing electronic element 22 and the front-rear direction limit magnet 23;

6) Repeat step 2).

In the step 2) of this embodiment, in the process of moving the two sets of kneading heads 6 upward, the distance between the two sets of kneading heads 6 is gradually reduced, and the two sets of kneading heads 6 move toward the front limit, so that the processes of moving toward the front limit and massaging the spine from both sides while massaging upward are realized; in the step 4), in the process that the two groups of kneading heads 6 move downwards, the distance between the two groups of kneading heads 6 is gradually enlarged, and meanwhile, the two groups of kneading heads 6 move towards the rear limit position, so that the processes of downward massage, movement towards the rear limit position and massage from the spine to two sides are realized; the embodiment can meet the requirement of waist massage.

The method of the invention can realize the massage mode of the trapezius muscle, the local back part and the local waist part, and enriches the massage mode of the massage chair.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A control method of a massage chair for carrying out local massage on the waist and the back is characterized in that two groups of kneading heads are arranged on the massage chair, a first motor for driving the two groups of kneading heads to rotate, a second motor for driving the two groups of kneading heads to move along the height direction of a massage person, a third motor for driving the two groups of kneading heads to move back and forth and a control system are arranged on the massage chair, the control system obtains the height of the massage person, the area of the waist and the back of the massage person, which needs to be massaged, and the area of the waist and the back of the massage person, which needs to be massaged, is provided with a starting massage position and an ending massage position which are sequentially arranged in the height direction, and two groups of kneading heads need to move to preset positions in the front and; the first motor can drive the two groups of kneading heads to move to a position where the distance between the two groups of kneading heads is minimum and a position where the distance between the two groups of kneading heads is maximum, and the position where the distance between the two groups of kneading heads is minimum and the position where the distance between the two groups of kneading heads is maximum are two spacing limit positions of the two groups of kneading heads;

the control method of the massage chair for carrying out local massage on the waist and the back comprises the following steps:

1) the control system controls the second motor to drive the two groups of kneading heads to move to a starting massage position of the waist and back, controls the first motor to execute movement, enables the two groups of kneading heads to rotate, enables the two groups of kneading heads to reach one of two spacing limit positions of the two groups of kneading heads in the rotating process, controls the third motor, and enables the two groups of kneading heads to move to a preset position required to move in the front-back direction;

6) repeat step 2).

2. The control method of the massage chair for local massage of the lumbar and the back according to claim 1, wherein when the control method of the massage chair for local massage of the lumbar and the back is local stereo massage of the lumbar and the back:

in the step 3), when the two groups of kneading heads move to a front limit position, the control system controls the third motor to stop; in the step 4), the control system controls the first motor and the second motor to start running, and simultaneously controls the third motor to enable the two groups of kneading heads to move backwards in a limiting way;

3. The control method of a massage chair for local massage of the lumbar and back according to claim 1, wherein when the control method of a massage chair for local massage of the lumbar and back is local stereo massage of the back in the lumbar and back:

4. The control method of a massage chair for local massage of the lumbar and back according to claim 1, wherein when the control method of a massage chair for local massage of the lumbar and back is local three-dimensional massage of the lumbar region in the lumbar and back:

5. The control method of the massage chair for local massage of the low back according to claim 1, wherein:

the front limiting part and the rear limiting part of the kneading head are matched with the first induction electronic element and the second induction electronic element which are arranged in the front and the rear directions through front and rear limiting magnets to feed back signals to the control system, and the front and rear limiting magnets are arranged on a front linkage rod and a rear linkage rod which are connected with the kneading head in a transmission way.

6. The control method of the massage chair for local massage of the low back according to claim 1, wherein:

the method for detecting the distance between the two groups of kneading heads by the movement of the first motor comprises the following steps: spacing magnets are mounted on kneading linkage rods in transmission connection with the kneading heads, an induction circuit board is fixed on the first motor, narrow and wide induction elements corresponding to the minimum value and the maximum value of the spacing between the two groups of kneading heads respectively are arranged in the induction circuit board, and the current spacing value between the two groups of kneading heads is obtained by feeding back signals to a control system through the spacing magnets in the induction spacing between the narrow and wide induction elements.