Anti-pinch electric bed with contact sensor strip

By setting a contact-type sensing strip on the lower surface edge of the sub-bed board of the electric bed, the detection device triggers the controller to control the electric folding device, which solves the safety hazard problem of the lack of anti-pinch structure in the electric bed, realizes a reliable anti-pinch function, and improves safety and response speed.

CN224420539UActive Publication Date: 2026-06-30SLEEMON HEALTHY SLEEP TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SLEEMON HEALTHY SLEEP TECHNOLOGY CO LTD
Filing Date
2025-07-09
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing electric beds with soft frames lack reliable anti-pinch structures, posing safety hazards or damage risks to users during bed movement.

Method used

The device employs a contact-type sensor strip detection system. By setting a contact-type sensor strip on the lower surface edge of the movable sub-bed board, a signal is triggered when a limb or clothing enters the gap. The controller then controls the electric folding device to stop or reverse its movement, thus achieving the anti-pinch function.

Benefits of technology

It effectively prevents limbs or clothing from getting caught in the gap, improving the safety of the electric bed, avoiding accidental damage, and featuring rapid response and high reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model belongs to the field of electric bed technology, specifically relating to an anti-pinch electric bed with a contact-type sensing strip. Addressing the deficiency of existing electric beds with soft bed frames lacking a reliable anti-pinch structure, this utility model adopts the following technical solution: The anti-pinch electric bed with a contact-type sensing strip includes: a soft bed frame; a bed support; a bed board, including multiple sub-bed boards, at least some of which are foldable; an electric folding device driving at least some of the sub-bed boards to fold; a controller controlling the electric folding device; and a detection device including a contact-type sensing strip located on the edge of the lower surface of each movable sub-bed board, connected to the controller; wherein the soft bed frame surrounds the bed support and bed board; wherein, when the contact-type sensing strip is triggered, the controller controls the electric folding device to stop or reverse its movement. The beneficial effect of this utility model is that reliable anti-pinch is achieved through the contact-type sensing strip.
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Description

Technical Field

[0001] This utility model belongs to the field of electric bed technology, specifically relating to an anti-pinch electric bed with a contact-type sensing strip. Background Technology

[0002] Electric beds are widely used in homes, hospitals, and nursing homes due to their adjustable functions (such as height adjustment, tilting, and massage). However, during bed movement, user misoperation or accidents may cause limbs to enter the gaps in the mechanical structure, posing safety hazards or risks of damage.

[0003] Meanwhile, some electric beds include a soft bed frame, a bed support, and a bed board, with the soft bed frame enclosing the bed support and bed board. No anti-pinch structure has been found for this type of electric bed on the market. Summary of the Invention

[0004] This invention addresses the deficiency of existing electric beds with soft bed frames that lack reliable anti-pinch structures by providing an anti-pinch electric bed with a contact-type sensing strip. It has a soft bed frame and can reliably achieve anti-pinch protection.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: an anti-pinch electric bed with a contact-type sensing strip, wherein the anti-pinch electric bed with the contact-type sensing strip includes:

[0006] Soft bed frame;

[0007] Bed rest;

[0008] A bed board, comprising multiple sub-bed boards, wherein at least some of the sub-bed boards are foldable;

[0009] An electric folding device drives at least part of the sub-bed panels to fold;

[0010] Controller, controls the electric folding device;

[0011] The detection device includes a contact sensing strip located on the edge of the lower surface of each movable sub-bed plate and connected to the controller;

[0012] The soft bed frame encloses the bed frame and bed board.

[0013] When the contact sensor is triggered, the controller controls the electric folding device to stop or reverse its movement.

[0014] This utility model discloses an anti-pinch electric bed with a contact-type sensing strip. It has a detection device connected to a controller. The detection device includes a contact-type sensing strip located on the edge of the lower surface of each movable sub-bed board. When a limb or clothing is located in the gap between the bed board and the soft bed frame, the limb or clothing will trigger the contact-type sensing strip of the detection device during the descent of the bed board. The contact-type sensing strip sends a signal to the controller, and the controller controls the electric folding device to stop descending or rise.

[0015] As an improvement, the detection device also includes a flexible strip-shaped contact edge that wraps around the contact-type sensing strip.

[0016] As an improvement, flexible strip-shaped edges completely wrap around the contact sensing strip.

[0017] As an improvement, a T-shaped groove is provided on the upper part of the flexible strip contact edge, and the detection device also includes a T-shaped mounting piece located in the T-shaped groove, which is fixedly connected to the bed board.

[0018] As an improvement, the extrusion opening force of the flexible strip contact edge is ≤10N; and / or,

[0019] The T-shaped mounting bracket is fixed to the lower surface of the sub-bed board with adhesive backing.

[0020] As an improvement, the bed board includes five sub-boards corresponding to the head and back, waist, hips, thighs and calves, and the three sub-boards corresponding to the head and back, thighs and calves are foldable.

[0021] As an improvement, the distance between the contact sensor strip and the side of the bed board is less than or equal to 1 cm.

[0022] As an improvement, the contact sensing bands on the head, back, and lower legs are arranged in a U-shape, while the contact sensing bands on the thighs consist of two parallel strips.

[0023] As an improvement, each contact sensor strip sends a signal to the controller.

[0024] As an improvement, the contact sensing strip can be a capacitive sensor or a piezoresistive pressure sensor.

[0025] As an improvement, the anti-pinch electric bed with a contact-type sensing strip also includes a lifting device that drives the entire bed board to rise; and / or,

[0026] All contact sensor strips are arranged in a square shape.

[0027] The beneficial effects of this utility model of an anti-pinch electric bed with a contact-type sensing strip are as follows: the anti-pinch electric bed with a contact-type sensing strip has a detection device connected to a controller. The detection device includes a contact-type sensing strip located on the edge of the lower surface of each movable sub-bed board. When a limb or clothing is located in the gap between the bed board and the soft bed frame, the limb or clothing will trigger the contact-type sensing strip of the detection device during the descent of the bed board. The contact-type sensing strip sends a signal to the controller, and the controller controls the electric folding device to stop descending or rising, thereby achieving reliable anti-pinch protection. Attached Figure Description

[0028] Figure 1 and Figure 2 This is a schematic diagram of the anti-pinch electric bed with a contact sensor strip at different angles according to Embodiment 1 of this utility model (the soft bed frame is not shown, and the bed board is not folded).

[0029] Figure 3 and Figure 4 This is a schematic diagram of the anti-pinch electric bed with a contact sensor strip at different angles according to Embodiment 1 of this utility model (the soft bed frame is not shown, and the bed board is folded).

[0030] Figure 5 This is a distribution diagram of the contact sensing belt of the anti-pinch electric bed with contact sensing belt according to Embodiment 1 of this utility model.

[0031] Figure 6 This is a cross-sectional view of the installation structure of the detection device for the anti-pinch electric bed with a contact-type sensing strip according to Embodiment 1 of this utility model.

[0032] Figure 7 This is an exploded view of the structure of the anti-pinch electric bed with a contact-type sensing strip according to Embodiment 1 of this utility model (the mattress is also shown).

[0033] In the picture, 1. Bed support;

[0034] 2. Bed board; 21. Head and back bed board; 22. Waist bed board; 23. Hip bed board; 24. Thigh bed board; 25. Lower leg bed board;

[0035] 3. Electric folding device;

[0036] 4. Detection device; 41. Contact sensing strip; 42. Flexible strip-shaped contact edge; 43. T-shaped mounting bracket;

[0037] 5. Soft bed frame;

[0038] 6. Mattress. Detailed Implementation

[0039] The technical solutions of the embodiments of the present invention will be explained and described below. However, the following embodiments are only preferred embodiments of the present invention and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments in the implementation methods without creative effort are all within the protection scope of the present invention.

[0040] See Figures 1 to 7 The present invention relates to an anti-pinch electric bed with a contact-type sensing strip, wherein the anti-pinch electric bed with a contact-type sensing strip includes:

[0041] Soft bed frame;

[0042] Bed rest;

[0043] A bed board, comprising multiple sub-bed boards, wherein at least some of the sub-bed boards are foldable;

[0044] An electric folding device drives at least part of the sub-bed panels to fold;

[0045] Controller, controls the electric folding device;

[0046] The detection device includes a contact sensing strip located on the edge of the lower surface of each movable sub-bed plate and connected to the controller;

[0047] The soft bed frame encloses the bed frame and bed board.

[0048] When the contact sensor is triggered, the controller controls the electric folding device to stop or reverse its movement.

[0049] This utility model discloses an anti-pinch electric bed with contact-type sensing strips. It has a detection device connected to a controller. The detection device includes contact-type sensing strips located on the edges of the lower surfaces of each movable sub-bed board. When a limb or clothing is located in the gap between the bed board and the soft bed frame, the limb or clothing will trigger the contact-type sensing strips during the bed board's descent. The contact-type sensing strips send a signal to the controller, which then controls the electric folding device to stop descending or rise. There is no risk of being pinched during the electric folding device's ascent.

[0050] Example 1

[0051] See Figures 1 to 7 The present invention relates to an anti-pinch electric bed with a contact sensor strip 41, as described in Embodiment 1. The anti-pinch electric bed with the contact sensor strip 41 includes:

[0052] Soft bed frame 5;

[0053] Bed support 1;

[0054] Bed board 2, comprising multiple sub-bed boards 2, wherein at least some of the sub-bed boards 2 are foldable;

[0055] Electric folding device 3 drives at least part of the sub-bed board 2 to fold;

[0056] Controller, controls the electric folding device 3;

[0057] The detection device 4 includes a contact sensing strip 41 located on the edge of the lower surface of each movable sub-bed plate 2, which is connected to the controller;

[0058] The soft bed frame 5 surrounds the bed support 1 and the bed board 2.

[0059] When the contact sensor 41 is triggered, the controller controls the electric folding device 3 to stop or reverse its operation.

[0060] In this embodiment, the detection device 4 also includes a flexible strip-shaped contact edge 42 that wraps around the contact-type sensing strip 41. The flexible strip-shaped contact edge 42 is used to protect the contact-type sensing strip 41.

[0061] In this embodiment, the flexible strip-shaped edge 42 completely wraps around the protective contact sensing strip 41.

[0062] In this embodiment, a T-shaped groove is formed on the upper part of the flexible strip contact edge 42, and the detection device 4 also includes a T-shaped mounting member 43 located in the T-shaped groove, which is fixedly connected to the bed board 2. The T-shaped groove prevents the flexible strip contact edge 42 and the T-shaped mounting member 43 from separating.

[0063] In this embodiment, the squeezing opening force of the flexible strip contact edge 42 is ≤10N. That is, the flexible strip contact edge 42 will deform and the contact sensing strip 41 will be triggered when the force applied to the flexible strip contact edge 42 is greater than or equal to 10N.

[0064] In this embodiment, the T-shaped mounting piece 43 is fixed to the lower surface of the sub-bed board by adhesive backing.

[0065] In this embodiment, the thickness of the flexible strip-shaped contact edge 42 is approximately 1.8 mm, and the width is approximately 2.2 mm.

[0066] In this embodiment, the bed board 2 includes five sub-bed boards 2 corresponding to the head and back, waist, buttocks, thighs, and calves. Three of the sub-bed boards 2 corresponding to the head and back, thighs, and calves are foldable. The head and back sub-bed board 21, thigh sub-bed board 24, and calves sub-bed board 25 can be unfolded (lying flat) or folded.

[0067] In this embodiment, the contact sensing bands 41 at the head, back, and lower legs are distributed in a U-shape, and the contact sensing bands 41 at the thigh include two parallel ones. One contact sensing band 41 is provided at the head, back, and lower legs, and two parallel contact sensing bands 41 are provided at the thigh.

[0068] In this embodiment, the contact sensor strips 41 at the head and back, thighs, and calves respectively send signals to the controller for precise positioning. Furthermore, each edge of the contact sensor strips 41 at the head and back, thighs, and calves also sends signals to the controller for even more precise positioning. When the electric bed stops or reverses, the user can accurately determine the location of the movement, such as whether it is at the head and back, thighs, or calves, and which of the three edges of the head and back, two edges of the thighs, or three edges of the calves it is.

[0069] In other embodiments, three contact-type sensor strips 41 are respectively provided on the back of the head and the lower legs, and each contact-type sensor strip 41 is connected to the controller.

[0070] See Figure 5 In this embodiment, the distance between the contact sensing strip 41 and the side of the bed board 2 is less than or equal to 1 cm. More specifically, it is preferably around 8 mm.

[0071] In this embodiment, the length of the flexible strip-shaped contact edge 42 is approximately equal to the straight-line length of the edge of the sub-bed board 2 on which it is located.

[0072] In this embodiment, when the bed board 2 is laid flat, the contact sensing strip 41 is parallel to the ground.

[0073] In this embodiment, the contact sensing strip 41 is a capacitive sensor or a piezoresistive pressure sensor.

[0074] In this embodiment, environmental interference (such as temperature fluctuations and electromagnetic noise) can be eliminated through filtering algorithms.

[0075] In this embodiment, a combination of threshold comparison and machine learning algorithms can be used to distinguish between normal operations (such as bed sheet friction) and dangerous contact.

[0076] In this embodiment, the anti-pinch electric bed with contact sensing strip 41 also includes an audible and visual alarm device connected to the controller. The audible and visual alarm device is activated when the electric bed stops or reverses its movement.

[0077] In this embodiment, when the contact sensor 41 detects a dangerous contact signal, the control unit sends an emergency braking command within 20ms to cut off the power supply to the motor of the electric folding device 3 or drive the motor to move in the opposite direction; and simultaneously triggers the audible and visual alarm device to remind the user to eliminate the danger.

[0078] In this embodiment, the anti-pinch electric bed with contact sensor strip 41 also includes an operation display screen, or the anti-pinch electric bed with contact sensor strip 41 can also be connected to a smart terminal such as a mobile phone via wired or wireless connection.

[0079] In this embodiment, the system automatically detects the integrity of the touch edge when it starts up, and alarms are triggered via mobile APP or display screen after a damaged or malfunctioning area is detected.

[0080] In this embodiment, the controller of the anti-pinch electric bed with contact sensing strip 41 includes two controllers, a main controller and a backup controller, which support a dual-controller redundancy design. When the main controller fails, the backup controller takes over, further improving safety.

[0081] In this embodiment, the width direction of the bed board 2 can be one or more pieces (such as when a single bed is assembled).

[0082] In other embodiments, the anti-pinch electric bed with contact sensor strips 41 also includes a lifting device that drives the entire bed board 2 to rise, and all contact sensor strips 41 are arranged in a U-shape. When the entire bed board 2 can be raised as a whole, a ring of contact sensor strips 41 is provided around the edge of the entire bed board 2 to achieve complete protection.

[0083] The beneficial effects of the anti-pinch electric bed with contact sensor strip 41 in Embodiment 1 of this utility model are as follows: The anti-pinch electric bed with contact sensor strip 41 has a detection device 4 connected to the controller. The detection device 4 includes contact sensor strips 41 located on the edges of the lower surfaces of each movable sub-bed board 2. When a limb or clothing is located in the gap between the bed board 2 and the soft bed frame 5, the limb or clothing will trigger the contact sensor strip 41 of the detection device 4 during the descent of the bed board 2. The contact sensor strip 41 sends a signal to the controller, and the controller controls the electric folding device 3 to stop descending or rising. Each contact sensor strip 41 is connected to the controller, which can determine the specific contact sensor strip 41 where the problem occurs. Each edge of each contact sensor strip 41 sends a signal to the controller individually, which can more specifically determine which edge of the specific contact sensor strip 41 the problem occurs on. The response speed is fast; there is no blind spot coverage; compared with photoelectric sensors, it is not affected by ambient light and dust, and has good reliability.

[0084] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Those skilled in the art should understand that the present invention includes, but is not limited to, the content described in the above specific embodiments. Any modifications that do not depart from the functional and structural principles of the present invention will be included within the scope of the claims.

Claims

1. An anti-pinch electric bed with a contact-type sensing strip, characterized in that: The anti-pinch electric bed with a contact-type sensing strip includes: Soft bed frame (5); Bed support (1); A bed board (2) comprising multiple sub-bed boards (2), wherein at least some of the sub-bed boards (2) are foldable; An electric folding device (3) drives at least part of the sub-bed board (2) to fold; Controller, controls the electric folding device (3); The detection device (4) includes a contact sensing strip (41) located on the edge of the lower surface of each movable sub-bed plate (2) and connected to the controller; The soft bed frame (5) encloses the bed support (1) and the bed board (2); When the contact sensor strip (41) is triggered, the controller controls the electric folding device (3) to stop or reverse its action.

2. The anti-pinch electric bed with a contact-type sensing strip according to claim 1, characterized in that: The detection device (4) also includes a flexible strip-shaped contact edge (42) that wraps around the contact-type sensing strip (41).

3. The anti-pinch electric bed with a contact-type sensing strip according to claim 2, characterized in that: The flexible strip edge (42) completely wraps around the contact sensing strip (41).

4. The anti-pinch electric bed with a contact-type sensing strip according to claim 2, characterized in that: A T-shaped groove is provided on the upper part of the flexible strip-shaped contact edge (42), and the detection device (4) also includes a T-shaped mounting piece (43) located in the T-shaped groove, which is fixedly connected to the bed board (2).

5. The anti-pinch electric bed with a contact-type sensing strip according to claim 4, characterized in that: The extrusion opening force of the flexible strip contact edge (42) is ≤10N; and / or, The T-shaped mounting bracket (43) is fixed to the lower surface of the sub-bed board by adhesive backing.

6. The anti-pinch electric bed with a contact-type sensing strip according to claim 1, characterized in that: The distance between the contact sensing strip (41) and the side of the bed board (2) is less than or equal to 1 cm; and / or, The contact sensing strip (41) is a capacitive sensor or a piezoresistive pressure sensor.

7. The anti-pinch electric bed with a contact-type sensing strip according to claim 1, characterized in that: The bed board (2) includes five sub-bed boards (2) corresponding to the head and back, waist, hips, thighs and calves, and three sub-bed boards (2) corresponding to the head and back, thighs and calves are foldable.

8. The anti-pinch electric bed with a contact-type sensing strip according to claim 7, characterized in that: The contact sensing bands (41) on the head, back and lower legs are distributed in a U-shape, and the contact sensing bands (41) on the thighs include two parallel ones.

9. The anti-pinch electric bed with a contact-type sensing strip according to claim 8, characterized in that: Each contact sensor strip (41) is connected to the controller; and / or, Each edge of each contact-type sensing strip (41) is connected to the controller.

10. The anti-pinch electric bed with a contact-type sensing strip according to claim 1, characterized in that: The anti-pinch electric bed with a contact-type sensing strip also includes a lifting device that drives the entire bed board (2) to rise; and / or, All contact sensor strips (41) are arranged in a square shape.