Seat for preventing dizziness on ship and dizziness-prevention control method therefor

Abstract

A seat for preventing dizziness on a ship, said seat comprising a base (1), a seat body (2) located above the base (1), and a fixed-length supporting rod (3) and two variable-length supporting rods (4) which are located between the base (1) and the seat body (2). The bottom end of the fixed-length supporting rod (3) is fixedly connected to the base (1), and the top end is connected to the seat body (2) by means of using a first universal hinge (6). The bottom end of each variable-length supporting rod (4) is connected to the base (1) or the fixed-length supporting rod (3) by means of a third hinge (7), and the top end is connected to the seat body (2) by means of a second universal hinge (8). The first universal hinge (3) and the two second universal hinges (4) are distributed in a triangular pattern on the seat body (1). The described seat can compensate inclination caused by ship swaying, and the seat can constantly be kept at a specific position, thereby achieving the function of dizziness prevention.

Description

A marine anti-vertigo seat and an anti-vertigo control method thereof Technical Field

[0001] The present invention relates to the technical field of ships, and in particular to an anti-vertigo seat for ships and an anti-vertigo control method thereof. Background Art

[0002] In the shipping industry, when a ship is sailing on the water, it will shake under the influence of wind and waves, causing dizziness to the crew and passengers. This dizziness will affect people's mental state, making it difficult for them to maintain normal production and life, and in severe cases may even have adverse effects on human health.

[0003] According to investigations and research, when the ship's left or right tilt is more than 5°, people who are standing need to use their arms for support or lean their bodies to maintain their balance. People who are sitting need to hold the armrests tightly and adjust the tilt direction through their waist muscles to ensure their balance.

[0004] However, if a person remains in a sitting position for a long time on a rocking ship, it is easy to cause fatigue damage to the lumbar spine, thereby seriously endangering the health of crew members and passengers.

[0005] Therefore, there is an urgent need for a marine seat that can maintain the rider's body balance under the rocking state of the ship, thereby preventing the rider from experiencing dizziness and alleviating the rider's burden.

[0006] Summary of the Invention

[0007] In view of the problem in the prior art that people may feel dizzy and have difficulty maintaining body balance when the ship shakes, the purpose of the present invention is to provide an anti-vertigo seat for ships and an anti-vertigo control method thereof, so as to at least partially solve the above problems.

[0008] To achieve the above object, the technical solution of the present invention is:

[0009] In the first aspect, the present invention provides an anti-vertigo seat for ships, comprising a base, a seat body located above the base, and a fixed-length strut and two variable-length struts located between the base and the seat body; the bottom end of the fixed-length strut is fixedly connected to the base, and the top end is connected to the seat body via a first universal hinge; the bottom end of the variable-length strut is connected to the base or the fixed-length strut via a third hinge, and the top end is connected to the seat body via a second universal hinge; wherein the first universal hinge and the two second universal hinges are distributed in a triangular shape on the seat body.

[0010] Preferably, on the seat body, the two second universal hinges are distributed at 90° intervals on a circumference centered on the first universal hinge.

[0011] Preferably, the third hinge is configured as a one-way hinge, and a plane formed by the rotation center of the first universal hinge and the rotation centers of the two second universal hinges is parallel to the bottom surface of the seat body.

[0012] Preferably, the third hinge is configured as a universal hinge, and the third hinge includes a first axis and a second axis that are perpendicular to each other and fixedly connected, the first axis is pivotally connected to the lower side wall of the fixed-length support rod, and the second axis is pivotally connected to the bottom end of the variable-length support rod.

[0013] Preferably, the first universal hinge and the second universal hinge are cross bearing universal hinges or spherical bearing universal hinges.

[0014] Preferably, it also includes a posture detection device and a controller, wherein the posture detection device is used to detect the posture information of the seat body and the ship, and the controller is electrically connected to the posture detection device and the variable-length struts. The controller is used to control the two variable-length struts to move according to the posture information about the seat body and / or the ship obtained by the posture detection device, so that the seat body is always in a preset posture.

[0015] Preferably, the seat body is also provided with a safety mechanism for fixing the human body and a safety switch for indicating the closed or open state of the safety mechanism, wherein the safety switch is connected in series with the on-off switch, and the on-off switch is used to send a start or stop signal to the controller.

[0016] Preferably, the posture detection device includes a seat gyroscope fixedly mounted on the seat body and a base gyroscope fixedly mounted on the base or the fixed-length support rod; or, the posture detection device includes a seat gyroscope fixedly mounted on the seat body and an absolute encoder fixedly mounted on the variable-length support rod.

[0017] In a second aspect, the present invention further provides an anti-dizziness control method for a marine anti-dizziness seat. When the posture detection device includes the base gyroscope, the method comprises the following steps:

[0018] In response to a start signal, obtaining first attitude information of the vessel through the base gyroscope, and obtaining first attitude information of the seat body through the seat gyroscope;

[0019] determining whether an initial difference vector between the first posture information of the seat body and the first posture information of the vessel is consistent with a preset difference vector, and if so, proceeding to the next step; otherwise, the controller generates a correction signal and sends the correction signal to the two variable-length struts for execution, so that after the two variable-length struts execute the correction signal, the initial difference vector between the first posture information of the seat body and the first posture information of the vessel is consistent with the preset difference vector;

[0020] After the correction signal is executed by the two variable-length struts, the controller generates a control signal according to the first posture information of the vessel, and sends the control signal to the two variable-length struts for execution, so that the seat body reaches a preset posture after the two variable-length struts execute the control signal;

[0021] According to a preset adjustment cycle, the controller controls the two variable-length support rods according to the change amplitude of the detection result of the base gyroscope, so that the seat body is always in a preset posture until the controller receives a stop signal;

[0022] The preset posture is a posture that places the passenger in a horizontal state.

[0023] In a third aspect, the present invention further provides an anti-dizziness control method for a marine anti-dizziness seat. When the posture detection device includes an absolute encoder, the method comprises the following steps:

[0024] In response to a start signal, obtaining first posture information of the seat body through the seat gyroscope, and obtaining position information of the two variable-length struts through the absolute encoder respectively;

[0025] The controller generates a control signal according to the first posture information of the seat body and the position information of the two variable-length struts, and sends the control signal to the two variable-length struts for execution, so that the seat body reaches a preset posture after the two variable-length struts execute the control signal;

[0026] According to a preset adjustment cycle, the controller controls the two variable-length support rods according to the change amplitude of the detection result of the base gyroscope, so that the seat body is always in a preset posture until the controller receives a stop signal;

[0027] The preset posture is a posture that places the passenger in a horizontal state.

[0028] By adopting the above technical solution, the beneficial effect of the present invention is that: the present invention adopts a structural setting of a fixed-length strut, two variable-length struts, and the two are connected to the seat body through a universal hinge, so that the seat body can freely rotate and lock in three-dimensional space under the telescopic action of the two variable-length struts to compensate for the tilt caused by the shaking of the ship, so that the seat can always be maintained in a specific position, such as horizontal, so that the passenger can maintain his or her body balance without applying any additional external force, which not only realizes the anti-dizziness function, but also reduces the load on the body. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] FIG1 is a side view of the present invention;

[0030] FIG2 is a rear view of the present invention;

[0031] FIG3 is a schematic structural diagram of the present invention after removing the seat body and the occupant;

[0032] FIG4 is a schematic diagram of the structure of the present invention in another direction after removing the seat body and the occupant;

[0033] FIG5 is a partial enlarged view of point A in FIG3 ;

[0034] FIG6 is a partial enlarged view of point B in FIG4 ;

[0035] FIG7 is a schematic diagram of electrical connections of the present invention;

[0036] FIG8 is a flow chart of an anti-vertigo control method for a marine anti-vertigo seat according to a fifth embodiment of the present invention;

[0037] FIG9 is a flow chart of an anti-vertigo control method for a marine anti-vertigo seat according to a sixth embodiment of the present invention.

[0038] In the figure: 1-base, 2-seat body, 3-fixed-length support rod, 4-variable-length support rod, 5-bearing plate, 6-first universal hinge, 7-third hinge, 71-first axis, 72-second axis, 73-bearing, 74-sleeve, 75-connecting seat, 8-second universal hinge, 9-controller, 10-base gyroscope, 11-seat gyroscope. DETAILED DESCRIPTION

[0039] The following is a further description of specific embodiments of the present invention in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is intended to facilitate understanding of the present invention and does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

[0040] Example 1

[0041] As shown in Figures 1-6, an embodiment of the present invention provides an anti-vertigo seat for ships, including a base 1, a seat body 2 located above the base 1, and a fixed-length support rod 3 and two variable-length support rods 4 connected between the base 1 and the seat body 2.

[0042] The base 1 is a flat plate that is secured to the vessel via screws, bolts, or welding. The seat body 2 comprises at least a seat surface for supporting the occupant and, depending on the situation, typically includes one or more additional components such as a backrest, armrests, and leg rests. In this embodiment, a support plate 5 is secured to the underside of the seat surface via screws or bolts.

[0043] The fixed-length support rod 3 is configured as a columnar structure, the bottom end of which is fixed to the center of the top surface of the base 1 by bolts, screws or welding, and the top end of the fixed-length support rod 3 is connected to the center of the bottom surface of the support plate 5 by a first universal hinge 6. In this embodiment, the first universal hinge 6 is configured as a cross-bearing universal hinge, which includes a cross bearing, an upper connecting member and a lower connecting member, and each opposite end of the cross bearing is respectively assembled on the upper connecting member and the lower connecting member, and the upper connecting member is fixed to one side of the bottom surface of the support plate 5 by screws or welding, and the lower connecting member is fixed to the top end of the fixed-length support rod 3 by screws or welding. In other preferred embodiments, the first universal hinge 6 can also be configured as a spherical bearing universal hinge, which does not affect the implementation of the technical solution of this embodiment.

[0044] The variable-length strut 4 is configured as an electric cylinder, comprising a lead screw driven by a servo motor. This lead screw is typically equipped with an encoder, allowing precise control of the extension and retraction of the variable-length strut 4 by controlling the number of revolutions of the servo motor. The bottom end of the variable-length strut 4 is connected to the lower portion of the fixed-length strut 3 via a third hinge 7, while the top end is connected to the bottom surface of the support plate 5 via a second universal hinge 8. In this embodiment, the structure of the second universal hinge 8 is identical to that of the first universal hinge 6, comprising a cross bearing, an upper connector, and a lower connector.

[0045] In this embodiment, the third hinge 7 is also configured as a universal hinge, which includes a first shaft 71 and a second shaft 72 that are perpendicular to each other and fixedly connected. Among them, a bearing 73 is fixedly mounted on the first shaft 71, and a bearing seat for supporting the bearing is fixed on the lower side wall of the fixed-length support rod 3, such as a sleeve 74 welded on the lower side wall of the fixed-length support rod 3 (of course, it can also be welded on the top side of the base 1). The inner diameter of the sleeve 74 is adapted to the outer diameter of the bearing 73, and the first shaft 71 is configured to be perpendicular to the fixed-length support rod 4. The bottom end of the variable-length support rod 4 is fixed with a connecting seat 75 by screws or bolts. The connecting seat 75 has an ear, and the ear is provided with a through hole adapted to the second shaft 72 so that the second shaft 72 can rotate around the axis of the through hole. In this way, the variable-length support rod 4 can rotate relative to the fixed-length support rod 3 in two directions perpendicular to each other at the same time, thereby realizing a universal hinge. Of course, in other preferred embodiments, the third hinge 7 can also be configured as a cross bearing universal hinge or a spherical bearing universal hinge, which does not affect the implementation of the technical solution of this embodiment.

[0046] In this embodiment, the first universal hinge 6 and the two second universal hinges 8 are arranged in a triangular pattern on the seat body 1 (actually, on the support plate 5). That is, the three connection points of the first universal hinge 6 and the two second universal hinges 8 on the support plate 5 are not collinear. Furthermore, on the support plate 5, the two second universal hinges 8 (specifically, their upper connecting members) are arranged at 90° intervals on the same circumference or on two concentric circles centered on the first universal hinge 6 (specifically, its upper connecting member). That is, as shown in FIG4 , when viewed from the top surface of the support plate 5, a line is drawn from the center of the upper connecting member of each of the two second universal hinges 8 to the center of the upper connecting member of the first universal hinge 6. The two lines are perpendicular to each other, with the vertical point being the center of the upper connecting member of the first universal hinge 6. Correspondingly, the two third hinges 7 (specifically, the intersection of the first axis 71 and the second axis 72) are also spaced 90 degrees apart and located on the same circumference, or on two concentric circles, centered around the fixed-length support rod 3 (specifically, the axis of the fixed-length support rod 3). This arrangement minimizes the mathematical model of the anti-vertigo chair provided by this embodiment, thereby simplifying the control algorithm. In the simplest case, the control objective can be achieved by eliminating the need for an MCU and any other algorithms, and solely utilizing hardware circuits to form negative feedback control.

[0047] As shown in FIG7 , an embodiment of the present invention provides an anti-vertigo seat for use on a ship, which also includes a posture detection device and a controller 9. The posture detection device is used to detect the posture information of the seat body 2 and the ship (equivalent to the base 1 or the fixed-length support rod 3), and the controller 9 is electrically connected to the posture detection device and the two variable-length support rods 4. The controller 9 is specifically used to control the two variable-length support rods 4 to move according to the posture information about the seat body 2 and / or the ship obtained by the posture detection device, so that the seat body 2 is always in a preset posture, which is a posture that keeps the passenger in a horizontal state, such as keeping the seat surface in a horizontal state. Of course, this allows for a certain deviation, and the actual deviation value can be set according to the specific situation.

[0048] In this embodiment, the posture detection device specifically includes a seat gyroscope 10 fixedly mounted on the seat body 2 and a base gyroscope 11 fixedly mounted on the base 1 (which can also be a fixed-length strut 3). When in use, the detection result of the base gyroscope 11 represents the attitude information (tilt direction and angle) of the ship, and in the initial state (i.e., when the support plate 5 is perpendicular to the fixed-length strut 3), the detection result of the seat gyroscope 10 should be the same as the detection result of the base gyroscope 11, that is, the initial difference vector between the two is zero, or a constant value (for example, there is a reference error between the two gyroscopes). When the seat is adjusted from the initial state, the controller 9 only needs to control the extension and retraction of the two variable-length struts 4 based on the detection result of the base gyroscope 11, so that the seat body 2 reaches the preset posture.

[0049] In any subsequent unit time (i.e., adjustment cycle, adjustment interval), since the change amplitude of the detection result of the seat gyroscope 10 is the same as the change amplitude of the detection result of the base gyroscope 11, the controller 9 can control the extension and retraction of the two variable-length support rods 4 in real time according to the change amplitude of the detection result of the base gyroscope 11, so that the seat body 2 is always in a preset posture.

[0050] It is also understandable that when a plurality of anti-vertigo seats for ships provided by the present invention are arranged on a ship, each seat can share one base gyroscope 11, thereby reducing costs.

[0051] It can also be understood that the controller 9 includes a core controller and a motion controller, both of which can be physical or logical (i.e., running in the same physical machine), wherein the core controller is connected to the seat gyroscope 10, the base gyroscope 11, the start switch and the two encoders, and calculates the received information, and sends the calculation results to the motion controller, which controls the motion of the two variable-length struts 3.

[0052] Typically, an emergency stop switch is also included. When pressed, the core controller sends an emergency stop signal to the motion controller, which immediately stops and locks the two variable-length struts 3, and cuts off the power. To release the emergency stop state, the emergency stop switch button is twisted 90° and released. If the power supply is normal, the machine automatically enters the shutdown state and the seat body 2 is adjusted to its initial state (i.e., calibration).

[0053] Example 2

[0054] The difference between it and Example 1 is that: in this embodiment, the third hinge 7 is configured as a one-way hinge. For example, it is only necessary to fix the first shaft 71 in Example 1 to the through hole on the connecting seat 75 by means of a key or pin; or, the bearing 73 and the sleeve 74 are eliminated, and the second shaft 72 is fixed to the lower side wall of the fixed-length support rod 4 by welding or the like.

[0055] In addition, the rotation center of the first universal hinge 6 (i.e., the center of the cross axis) and the rotation center of the two second universal hinges 8 (i.e., the center of the cross axis) should be in the same plane parallel to the supporting plate 5, that is, the distance from the rotation center of the first universal hinge 6 to the supporting plate 5 is the same as the distance from the rotation center of the second universal hinge 8 to the supporting plate 5. In other words, when the seat body 2 is in a horizontal position, the center of the first universal hinge 6 and the center of the two second universal hinges 8 are in the same horizontal plane.

[0056] Example 3

[0057] The difference between this embodiment and the first embodiment is that in this embodiment, the posture detection device includes a seat gyroscope 10 fixedly mounted on the seat body 2 and two absolute encoders respectively fixedly mounted on the variable-length struts 4 .

[0058] The absolute encoder is typically battery-powered, and the batteries can be replaced as needed. In the above embodiment, when the base gyroscope 11 is used, the absolute position is never lost, and the validity of the sensor signal can be confirmed by mutual verification between the base gyroscope 10 and the seat gyroscope 11.

[0059] Example 4

[0060] This embodiment differs from the first embodiment in that, in this embodiment, the seat body 2 is further provided with a safety mechanism for securing the human body, such as a seat belt. Furthermore, a safety switch is provided to indicate the closed or open state of the safety mechanism. For example, the male and female connectors of a magnetic electrical connector are provided on the seat belt buckle and plate, respectively. The safety switch, on / off switch, and magnetic electrical connector are connected in series in the same electrical circuit, and the on / off switch is used to send a start or stop signal to the controller.

[0061] This arrangement ensures that when the seat is in use, the electrical circuit can be connected only by pressing the on / off switch after the safety mechanism is closed, thereby sending a start signal to the controller.

[0062] Of course, in other preferred embodiments, the safety belt can also be replaced with a safety pressure rod, and one of the male head or female seat of the magnetic electrical connector is fixedly connected to the safety pressure rod, and the other is fixedly connected to the seat body 2, and when the safety pressure rod is pressed down, the male head is connected to the female seat.

[0063] Example 5

[0064] As shown in FIG8 , an embodiment of the present invention provides an anti-vertigo control method for a marine anti-vertigo seat. Specifically, when the posture detection device includes a base gyroscope, the method includes the following steps:

[0065] In response to the start signal, first attitude information of the vessel is acquired through the base gyroscope, and first attitude information of the seat body is acquired through the seat gyroscope;

[0066] determining whether an initial difference vector between the first posture information of the seat body and the first posture information of the vessel is consistent with a preset difference vector; if so, proceeding to the next step; otherwise, the controller generates a correction signal and sends the correction signal to the two variable-length struts for execution, so that after the two variable-length struts execute the correction signal, the initial difference vector between the first posture information of the seat body and the first posture information of the vessel is consistent with the preset difference vector;

[0067] After the correction signal is executed by the two variable-length struts, the controller generates a control signal according to the first posture information of the vessel, and sends the control signal to the two variable-length struts for execution, so that the seat body reaches a preset posture after the two variable-length struts execute the control signal;

[0068] According to the preset adjustment cycle, the controller controls the two variable-length struts based on the change in the detection results of the base gyroscope, so that the seat body is always in the preset posture until the controller receives a stop signal;

[0069] The preset posture is a posture that places the passenger in a horizontal state.

[0070] Example 6

[0071] As shown in FIG9 , an embodiment of the present invention provides an anti-dizziness control method for a marine anti-dizziness seat. When the posture detection device includes an absolute encoder, the method includes the following steps:

[0072] In response to the start signal, first posture information of the seat body is obtained through the seat gyroscope, and position information of the two variable-length support rods is obtained through the absolute encoder respectively;

[0073] The controller generates a control signal according to the first posture information of the seat body and the position information of the two variable-length struts, and sends the control signal to the two variable-length struts for execution, so that the seat body reaches a preset posture after the two variable-length struts execute the control signal;

[0074] According to the preset adjustment cycle, the controller controls the two variable-length struts based on the change in the detection results of the base gyroscope, so that the seat body is always in the preset posture until the controller receives a stop signal;

[0075] The preset posture is a posture that places the passenger in a horizontal state.

[0076] It should be noted that, in the description of the present invention, the terms "up", "down", "left", "right", "front", "back", etc. indicating directions or positional relationships are based on the description of the structure of the present invention shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, it cannot be understood as a limitation on the present invention.

[0077] The "first" and "second" in this technical solution are only used to distinguish the same or similar structures, or corresponding structures with similar functions, and are not an arrangement of the importance of these structures, nor do they have any ranking, size comparison, or other meanings.

[0078] In addition, unless otherwise expressly specified or limited, the terms "installed" and "connected" should be understood broadly. For example, a connection can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two structures. Those skilled in the art can understand the specific meanings of the above terms in the present invention based on the overall principles of the present invention and the specific context of this solution.

[0079] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It is apparent to those skilled in the art that various changes, modifications, substitutions, and variations to these embodiments may be made without departing from the principles and spirit of the present invention, and these changes and modifications still fall within the scope of protection of the present invention.

Claims

1. A marine anti-vertigo seat, characterized in that: It includes a base, a seat body located above the base, and a fixed-length strut and two variable-length struts located between the base and the seat body; the bottom end of the fixed-length strut is fixedly connected to the base, and the top end is connected to the seat body via a first universal hinge; the bottom end of the variable-length strut is connected to the base or the fixed-length strut via a third hinge, and the top end is connected to the seat body via a second universal hinge; wherein the first universal hinge and the two second universal hinges are distributed in a triangular shape on the seat body.

2. The anti-vertigo seat for ships according to claim 1, characterized in that: On the seat body, two of the second universal hinges are distributed at 90° intervals on a circle centered on the first universal hinge.

3. The anti-vertigo seat for ships according to claim 1, characterized in that: The third hinge is configured as a one-way hinge, and a plane formed by the rotation center of the first universal hinge and the rotation centers of the two second universal hinges is parallel to the bottom surface of the seat body.

4. The anti-vertigo seat for ships according to claim 1, characterized in that: The third hinge is configured as a universal hinge, and the third hinge includes a first axis and a second axis which are perpendicular to each other and fixedly connected, the first axis is pivotally connected to the lower side wall of the fixed-length support rod, and the second axis is pivotally connected to the bottom end of the variable-length support rod.

5. The anti-vertigo seat for ships according to claim 1, characterized in that: The first universal hinge and the second universal hinge are cross bearing universal hinges or spherical bearing universal hinges.

6. The anti-vertigo seat for ships according to claim 1, characterized in that: It also includes a posture detection device and a controller, wherein the posture detection device is used to detect the posture information of the seat body and the ship, and the controller is electrically connected to the posture detection device and the variable-length struts. The controller is used to control the two variable-length struts to move according to the posture information about the seat body and / or the ship obtained by the posture detection device, so that the seat body is always in a preset posture.

7. The anti-vertigo seat for ships according to claim 6, characterized in that: The seat body is also provided with a safety mechanism for fixing the human body and a safety switch for indicating the closed or open state of the safety mechanism, wherein the safety switch is connected in series with the on-off switch, and the on-off switch is used to send a start or stop signal to the controller.

8. The anti-vertigo seat for ships according to claim 6, characterized in that: The posture detection device includes a seat gyroscope fixedly mounted on the seat body and a base gyroscope fixedly mounted on the base or the fixed-length support rod; or, the posture detection device includes a seat gyroscope fixedly mounted on the seat body and an absolute encoder fixedly mounted on the variable-length support rod.

9. An anti-vertigo control method for an anti-vertigo seat for a ship as claimed in claim 8, characterized in that: When the posture detection device includes the base gyroscope, the method includes the following steps: In response to a start signal, obtaining first attitude information of the ship through the base gyroscope, and obtaining first attitude information of the seat body through the seat gyroscope; Determine whether the initial difference vector between the first posture information of the seat body and the first posture information of the ship is consistent with the preset difference vector, if yes, proceed to the next step, otherwise, the controller generates a correction signal, and sends the correction signal to the two variable length struts for execution, so that after the two variable length struts execute the correction signal, the initial difference vector between the first posture information of the seat body and the first posture information of the ship is consistent with the preset difference vector; After the correction signal is executed by the two variable length struts, the controller generates a A control signal is sent to the two variable length struts for execution, so that the seat body reaches a preset posture after the two variable length struts execute the control signal; According to a preset adjustment cycle, the controller controls the two variable-length support rods according to the change amplitude of the detection result of the base gyroscope, so that the seat body is always in a preset posture until the controller receives a stop signal; The preset posture is a posture that puts the passenger in a horizontal state.

10. An anti-vertigo control method for an anti-vertigo seat for a ship as claimed in claim 8, characterized in that: When the posture detection device includes an absolute value encoder, the method includes the following steps: In response to a start signal, the first posture information of the seat body is acquired through the seat gyroscope, and the position information of the two variable-length support rods is acquired through the absolute encoder respectively; The controller generates a control signal according to the first posture information of the seat body and the position information of the two variable-length struts, and sends the control signal to the two variable-length struts for execution, so that the seat body reaches a preset posture after the two variable-length struts execute the control signal; According to a preset adjustment cycle, the controller controls the two variable-length support rods according to the change amplitude of the detection result of the base gyroscope, so that the seat body is always in a preset posture until the controller receives a stop signal; The preset posture is a posture that puts the passenger in a horizontal state.

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