JP7114233B2 - electric bed - Google Patents

Description

Embodiments of the present invention relate to motorized beds.

For example, there is an electric bed that can change the height and the angle of the backrest. The electric bed is operated by an operation unit such as a hand switch.

Japanese Unexamined Patent Application Publication No. 2017-000701

Embodiments of the present invention provide an electric bed that can operate more in accordance with the user's intention.

According to the embodiment, the electric bed includes a bottom and an operation receiving section. In the electric bed, when the operation receiving unit receives the first operation and the height of the bottom is equal to or less than a first value, at least part of the time when the angle of the bottom is changing, the Bottom rises.

Embodiments of the present invention can provide an electric bed that can operate more in accordance with the user's intention.

1(a) and 1(b) are schematic perspective views illustrating an electric bed according to an embodiment. FIG. FIG. 2 is a schematic diagram illustrating the electric bed according to the embodiment. 3(a) to 3(c) are schematic diagrams illustrating the operation of the electric bed according to the embodiment. 4(a) to 4(c) are schematic diagrams and flowcharts illustrating the operation of the electric bed according to the embodiment. 5(a) to 5(c) are schematic diagrams and a flow chart illustrating the operation of the electric bed according to the embodiment. 6(a) to 6(c) are time charts illustrating the operation of the electric bed according to the embodiment.

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.
In the present specification and each figure, the same reference numerals are given to the same elements as those described above with respect to the previous figures, and detailed description thereof will be omitted as appropriate.

As shown in FIG. 1( a ), an electric bed 310 according to the embodiment includes an operation section 10 and a bottom 70 . The operation unit 10 can operate the control of the bottom 70 . The operating unit 10 is, for example, a remote controller for the electric bed 310 . The operation unit 10 is, for example, a hand switch. The operation unit 10 may have various functions such as a lighting on/off function, a nurse or caregiver calling function, or a power on/off function.

The electric bed 310 is used, for example, in hospitals, nursing homes, or homes.

Bottoms 70 include, for example, back bottom (back section) 70a, knee bottom (upper leg section) 70b, and leg bottom (lower leg section) 70c. The angles of the back bottom 70a, the knee bottom 70b, and the leg bottom 70c can be changed.

For example, the bottom 70 includes a back bottom driver 71a, a knee bottom driver 71b, and a height driver 72, as shown in FIG. For example, the back bottom drive 71a, knee bottom drive 71b, and height drive 72 each include an actuator. By driving the back bottom drive unit 71a, the back bottom 70a is operated to change the angle of the back of the user P (the person who sleeps on the electric bed). By driving the knee bottom driving portion 71b, the knee bottom 70b and the leg bottom 70c are operated, and the angle between these bottoms can be changed. Thereby, the angle of the user's P knee can be changed. The angle between each bottom may change in conjunction. By driving the height drive unit 72, the height of the bottom 70 (the distance between the floor surface and the bed surface) can be changed.

Electric bed 310 includes drive control unit 120 . The drive control section 120 includes a bottom control section 121 and a height control section 122 . The back bottom drive section 71 a and the knee bottom drive section 71 b are electrically connected to the bottom control section 121 . The operations of the back bottom drive section 71 a and the knee bottom drive section 71 b are controlled based on signals transmitted from the bottom control section 121 . The height drive section 72 is electrically connected to the height control section 122 . The operation of the height driving section 72 is controlled based on signals transmitted from the height control section 122 .

The operation unit 10 is electrically connected to the drive control unit 120 . For example, the operation unit 10 is connected to the drive control unit 120 shown in FIG. 2 via the cable 15 shown in FIG. 1(a). A control circuit may be provided between the operation unit 10 and the drive control unit 120 . In this way, the state of being electrically connected also includes the case where another circuit is provided between them. The operation unit 10 may be connected to the drive control unit 120 by wireless communication means.

As shown in FIG. 1B, the operation unit 10 includes an operation surface 10a. The operation surface 10a includes an operation reception section 20. As shown in FIG. The operation reception unit 20 can receive a control operation of the bottom 70 of the electric bed 310 . Control operations are performed by an operator (user) of the operation unit 10, for example.

For example, the operation reception unit 20 includes multiple operation buttons. For example, when the button 22a for raising the "head" is pressed, the angle θ1 of the back bottom 70a with respect to the horizontal plane increases as shown in FIG. 3(a). In this example, the overall angle of the bottom 70 and the angle between the knee bottom 70b and the leg bottom 70c also change accordingly. For example, when the downward button 22b related to "head" is pressed, the angle θ1 of the back bottom 70a with respect to the horizontal plane is reduced. For example, when the knee bottom 70b and the leg bottom 70c are in a horizontal state, pressing the rise button 23a related to "foot" increases the angle θ2 of the knee bottom 70b with respect to the horizontal plane, as shown in FIG. 3(b). . For example, in a state in which the angle θ2 is greater than 0 degrees, pressing the descent button 23b related to "foot" decreases the angle θ2 of the knee bottom 70b with respect to the horizontal plane. For example, when the knee bottom 70b and the leg bottom 70c are in a horizontal state, pressing the descent button 23b related to "foot" lowers a portion of the leg bottom 70c, as shown in FIG. The angle θ3 of the leg bottom 70c with respect to is increased.

For example, when the rise button 24a related to "height" is pressed, the bottom 70 is raised. For example, when the lowering button 24b related to "height" is pressed, the bottom 70 is lowered. For example, when the up button 21a or the down button 21b related to "interlocking" is pressed, the angles θ1 and θ2 change at the same time. These changes are effected by the action of bottom 70 .

For example, the above operation is performed while the operation button is kept pressed. This provides safe operation.

The operation reception unit 20 may be a switch having a mechanical contact, or any electrostatic or optical input device (for example, a touch switch). In the embodiment, reception of operations in the operation reception unit 20 may include a method such as voice recognition. For example, the voice generated by an operator (for example, the user of the electric bed 310) may be recognized, and the operation (control) of the electric bed 310 may be performed based on the voice operation (control).

As shown in FIG. 1B, a display area 28 may be provided on the operation surface 10a. The display area 28 can display, for example, information about the bottom 70 of the electric bed 310 (such as the angle and height of the bottom 70). The display area 28 may display information regarding the function or operating state of the operation reception unit 20 .

As shown in FIG. 1(b), a hook 30 may be provided on the operation unit 10. FIG. The operating unit 10 can be held by the hook 30 on, for example, a side rail of the electric bed 310, a bed grip, or the like.

In the electric bed 310, when the operation reception unit 20 of the operation unit 10 receives the first operation, the angle of the bottom 70 changes. When the height of the bottom is equal to or less than the first value, the electric bed 310 raises the bottom 70 at least partly while the angle of the bottom 70 is changing.

FIGS. 4(a), 4(b), 5(a), and 5(b) are schematic diagrams illustrating the operation of the electric bed. FIGS. 4(c) and 5(c) are flowcharts illustrating the operation of the electric bed.

In one example, the first operation is pressing the up button 22a for "head". As shown in FIG. 4C, the operation accepting unit 20 accepts the first operation (step S1). The drive control unit 120 determines whether the height of the bottom 70 is equal to or less than the first value (step S2). When the height of the bottom 70 is equal to or less than the first value, the drive control unit 120 drives the back bottom driving unit 71a to increase the angle θ1 of the back bottom 70a, and while the angle θ1 is increasing, At least partly, the height drive unit 72 is driven to raise the bottom 70 (step S3). By this step S3, for example, the bottom 70 moves from the state shown in FIG. 4(a) to the state shown in FIG. 4(b). When the height of the bottom 70 exceeds the first value, the drive control section 120 drives the back bottom driving section 71a to increase the angle θ1 of the back bottom 70a (step S4).

In another example, the first operation is pressing down button 23b related to "leg" when knee bottom 70b and leg bottom 70c are horizontal. As shown in FIG. 5C, the operation accepting unit 20 accepts the first operation (step S11). The drive control unit 120 determines whether the height of the bottom 70 is equal to or less than the first value (step S12). When the height of the bottom 70 is equal to or less than the first value, the drive control unit 120 drives the knee bottom driving unit 71b to increase the angle θ3 of the leg bottom 70c, and while the angle θ3 is increasing At least partly, the height drive unit 72 is driven to raise the bottom 70 (step S13). By this step S13, for example, the bottom 70 moves from the state shown in FIG. 5(a) to the state shown in FIG. 5(b). When the height of the bottom 70 exceeds the first value, the drive control section 120 drives the knee bottom driving section 71b to increase the angle θ3 of the leg bottom 70c (step S14).

The first value is preset, for example, before the electric bed 310 is used. For example, when the height of the bottom 70 exceeds the first value, contact between the parts included in the electric bed 310 or between the parts included in the electric bed 310 and the floor surface does not occur when the angle of the bottom 70 changes. . The first value is set to, for example, 10 cm or more and 65 cm or less.

If the angle of the bottom 70 changes when the height of the bottom 70 is less than or equal to the first value, for example, the contact described above may occur. In order to avoid this contact, an electric bed according to the following reference example is conceivable. In the electric bed according to this reference example, when the height of the bottom 70 is equal to or less than the first value, the angle of the bottom 70 changes after the height of the bottom 70 becomes higher than the first value. That is, the operation of changing the angle of the bottom 70 intended by the user is performed after raising the bottom 70 .

On the other hand, in the electric bed 310 according to the present embodiment, when the operation receiving unit 20 receives the first operation, the angle of the bottom 70 changes if the height of the bottom 70 is equal to or less than the first value. At least part of the time, the bottom 70 rises. Therefore, compared to the electric bed according to the reference example, the operation of changing the angle of the bottom 70 intended by the user is performed more quickly. According to this embodiment, it is possible to operate the electric bed 310 more in accordance with the user's intention.

The horizontal axis of FIGS. 6(a) to 6(c) represents time T. FIG. FIGS. 6A to 6C schematically show periods during which the height H of the bottom 70 and the angle A of the bottom 70 are changing.

For example, in the electric bed 310, the angle of the bottom 70 starts to change after the bottom 70 starts to rise as shown in FIG. 6(a). As a result, the contact described above when the angle of the bottom 70 is changed can be more reliably avoided.

In the electric bed 310, the bottom 70 may start to rise after the angle of the bottom 70 starts to change, as shown in FIG. 6(b). As a result, the action intended by the user can be performed more quickly. It becomes possible to operate the electric bed 310 more in accordance with the user's intention.

In the electric bed 310, as shown in FIG. 6C, the bottom 70 may start to rise at the same time when the angle of the bottom 70 starts to change. As a result, the electric bed 310 can be operated more in accordance with the user's intention while avoiding the above contact more reliably when the angle of the bottom 70 is changed.

According to the embodiment, it is possible to provide an electric bed that can operate more in accordance with the user's intention.

The embodiments of the present invention have been described above with reference to specific examples. However, the invention is not limited to these specific examples. For example, a person skilled in the art can carry out the present invention in the same manner and obtain the same effect by appropriately selecting the specific configuration of each element such as the operation reception part and the bottom included in the electric bed from the known range. are included within the scope of the invention as far as possible.

Any combination of two or more elements of each specific example within the technically possible range is also included in the scope of the present invention as long as it encompasses the gist of the present invention.

In addition, based on the electric bed described above as an embodiment of the present invention, all electric beds that can be implemented by those skilled in the art by appropriately modifying the design also belong to the scope of the present invention as long as they include the gist of the present invention.

In addition, within the scope of the idea of the present invention, those skilled in the art can conceive of various modifications and modifications, and it is understood that these modifications and modifications also belong to the scope of the present invention. .

DESCRIPTION OF SYMBOLS 10... Operation part 10a... Operation surface 15... Cable 20... Operation receiving part 21a, 21b, 22a, 22b, 23a, 23b, 24a, 24b... Button 28... Display area 30... Hook 70... Bottom 70a... Back bottom 70b... Knee Bottom 70c Leg bottom 71a Back bottom drive unit 71b Knee bottom drive unit 72 Height drive unit 120 Drive control unit 121 Bottom control unit 122 Height control unit 310 Electric bed A Angle H Height S1 to S4, S11 to S14 Step T Time θ1 to θ3 Angle

Claims (5)

a bottom including a back bottom, a knee bottom, and a leg bottom; and an operation reception unit,
When the operation receiving unit receives a first operation of raising the head when the bottom is in a horizontal state and the height is equal to or less than a first value, a second operation in which the first angle of the back bottom with respect to the horizontal plane is changed. An electric bed that performs a first action in which the first angle changes while the bottom is rising, at least partly while performing
In the second motion, a second angle of the knee bottom with respect to the horizontal plane is changed in a direction opposite to the change in the first angle, and a second angle of the leg bottom with respect to the horizontal plane is changed in the same direction as the first angle. Electric bed with 3 different angles . 2. The motorized bed according to claim 1, wherein in said second movement, said height begins to increase at the same time said first angle begins to change. 3. The electric bed according to claim 1 or 2, wherein in said first movement, said height begins to increase at the same time when said first angle begins to change. 4. The motorized bed according to claim 3, wherein in the second movement, the height begins to increase at the same time that the second angle begins to change. 4. The motorized bed according to claim 3, wherein in the second movement, the height begins to increase at the same time that the third angle begins to change.

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