JP2007054262A - Controller for bed - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a controller for bed, which automatically deforms a bed to be in the state of a sofa when detecting the bed-leaving state of a user from the bed part of the bed deformable into the state of the sofa. <P>SOLUTION: In the controller for the bed deformable into the state of the sofa, bed-leaving detection means for detecting an in-bed state and the bed-leaving state by a load applied from the user of the bed to the bed part are provided at respective bottoms on which mats forming the bed part of the bed are placed and which are divided into at least a back rest bottom, a hip rest bottom and a leg rest bottom. Then, when all the bed-leaving detection means detect the bed-leaving state of the user from the bed part, a control part makes a driving means operate when a prescribed period passes after the detection of the bed-leaving state is started, and deforms the bed into the state of the sofa. Moreover, when at least one bed-leaving detection means detect the in-bed state, the control part stops the driving means to suspend the deforming operation of the bed. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a bed control device that can be transformed into a chair state.

  In recent years, beds that can be transformed into various forms of chairs have been proposed. Among them, for example, when the bed described in Patent Document 1 is transformed into a chair state, the back support bottom, the waist support bottom, and the leg support bottom move backward along with the back raising operation of the back support bottom. The leg support bottom is configured to be stored below the waist support bottom. Therefore, when this bed is transformed into a chair state, a large open space can be formed in front of the bed, and the room in which this bed is installed can be used widely. In addition, the bed control device can arbitrarily operate and stop the driving means for deforming the bed, and the bed can be operated by operating a switch such as a remote controller. It is inferred that this is configured (see, for example, Patent Document 1).

However, when the bed user wakes up, if the bed leaves the bed while in the bed state, the bed remains in a state of occupying the room, and thus the room cannot be used widely. Moreover, in order to solve it, it cannot be denied that a user feels troublesome to operate the switch of the remote controller.
JP 2004-298372 A

  Therefore, in view of the above circumstances, the present invention is a bed that can be deformed into a chair state, and when the user's bed leaving state is detected from the floor of the bed, the bed can be automatically deformed into a chair state. It is an object to provide a control device.

According to the first aspect of the present invention, in the bed control device that can be transformed into a chair state, the bed leaving state from the floor of the user is detected by all the bed detecting means for detecting the bed leaving state of the user from the bed floor. When detected, the drive means is then operated by the control unit so that the bed is transformed into a chair state.
According to a second aspect of the present invention, the bed leaving detecting means is provided with a portion that is displaced between a state where a load from a user applied to the floor portion of the bed is applied and a state where the load is not applied, and the displacement of the displaced portion is detected. By doing so, the present invention is characterized in that it is configured to detect the user's in-bed and out-of-bed state.
Furthermore, the invention according to claim 3 is a configuration in which the detection bar is configured to detect a bed leaving state from the floor portion of the user's bed by rotating the detection bar, and the detection bar is a position that interferes with bed leaving. The user is detected to be in the floor state, and when the detection rod is in a position where the detection bar is turned to a position where the user does not get out of bed, the user is detected to be in the floor state. It is characterized in that a bed leaving detection means is installed.
According to a fourth aspect of the present invention, when at least one bed detection means detects the user's bed state during the bed deformation operation by the bed detection means, the drive means is stopped to stop the bed deformation operation. It is characterized by doing so.

According to the first aspect of the present invention, when the bed leaving state from the user's floor is detected by all the bed leaving detection means for detecting the user's bed leaving state from the bed floor, the control unit thereafter The driving means was operated to transform the bed into a chair state.
According to this, when a user leaves the bed, even if the bed leaves the bed, the bed can be automatically turned into a chair, and the bed in the room where the bed is automatically installed Since the occupying amount by can be reduced, the room can be easily used widely. In addition, since no special operation is required at this time, for example, it is possible to effectively use a morning time. Further, when the user leaves the bed and later returns to the bed, the user is easily returned to the bed because the bed is transformed into a chair state. Furthermore, by returning to the bed and deforming the bed into a bed state by operating a remote controller or the like, the user can easily take a sleeping posture on the floor. That is, even a physically handicapped user can easily perform the operation from the state of being away from the bed to returning to the bed and taking a sleeping posture, which also assists in assistance.

According to a second aspect of the present invention, the bed leaving detecting means is provided with a portion that is displaced between a state in which a load from a user applied to the floor portion of the bed is applied and a state in which the load is not applied, and the displacement of the displaced portion is detected. By doing so, it was set as the structure which detects a user's in-bed state and a bed leaving state. That is, the in-bed state and the out-of-bed state are detected by a load applied from the user to the floor.
According to this, the state of getting out of the floor of the user can be reliably detected.

According to the invention of claim 3, the bed leaving detecting means is configured to detect the bed leaving state from the floor portion of the user's bed by rotating the detection rod. When the detection bar is in a position where the detection bar interferes with getting out of the bed, the user detects that the user is in the floor and the detection bar is rotated to a position where the user does not get out of bed. It was installed to let the user detect that he was out of bed when in position. In other words, the user is detected by detecting the movement of the user trying to get out of bed.
According to this, by operating the detection rod while the user is sleeping on the bed, the bed is automatically transformed into a chair state by the control unit, so that the operation of the remote control is not performed. The bed can be transformed into a chair state. In addition, when detecting the user's bed condition, the detection bar is positioned at a position that interferes with getting out of bed, so that when the user wakes up from the sleeping state, It is possible to wake up the body as if it was grabbed and caused to wake up. That is, the bed leaving detection means can be used as an assisting device, and the user can easily wake up.

According to the invention of claim 4, when at least one bed detection means detects the user's bed state during the bed deformation operation by the bed detection means, the drive means is stopped and the bed deformation operation is stopped. I did it.
According to this, during the bed deformation operation by the bed leaving detection unit, the bed deformation operation can be stopped by giving pseudo information that the bed detection unit determines that the bed presence state is detected. That is, even if there is no user on the floor of the bed, the deformation operation of the bed can be stopped, and the deformation operation of the bed by the bed leaving detection means can be easily stopped.

  In a bed control device that can be transformed into a chair state, a bed user is provided on each bottom divided into at least a back support bottom, a waist support bottom, and a leg support bottom on which a mat that forms the floor of the bed is placed. A bed leaving detecting means for detecting a bed standing state and a bed leaving state by a load applied to the floor from the outside is provided. And when detecting the user's getting-off state from the floor part in all the getting-off detection means, the driving means is operated after a predetermined time has elapsed since the detection of the getting-off state is started by the control part, and the bed is in the chair state To be deformed. Further, during the bed deformation operation by the bed leaving detection means, when at least one bed detection means detects the user's bed presence state, the driving means is stopped to stop the bed deformation operation.

By configuring the control device as described above, first, when the user leaves the floor of the bed, even if the bed leaves the bed, the bed can be automatically put into a chair state. In addition, since the occupied amount of the bed in which the bed is installed can be reduced, the room can be easily used widely. In addition, since no special operation is required at this time, for example, it is possible to effectively use a morning time.
Further, when the user leaves the bed and later returns to the bed, the user is easily returned to the bed because the bed is transformed into a chair state. Furthermore, by returning to the bed and deforming the bed into a bed state by operating a remote controller or the like, the user can easily take a sleeping posture on the floor. That is, even a physically handicapped user can easily perform the operation from the state of being away from the bed to returning to the bed and taking a sleeping posture, which also assists in assistance.
Furthermore, since the bed leaving detection means detects the user's bed and bed leaving state by the load applied from the user to the bed floor, the bed leaving state from the user floor can be reliably detected. Can do.
In addition, during the bed deformation operation by the bed leaving detection means, the bed deformation operation can be stopped by causing at least one of the bed detection means to detect the bed state. According to this, it is possible to stop the deforming operation of the bed by giving pseudo information for determining that the bed is detected to at least one bed leaving detection unit. Therefore, even if there is no user on the floor of the bed, the deformation operation of the bed by the bed leaving detection means can be stopped only by applying a load to a part of the floor of the bed. That is, the entire bed portion serves as a switch for stopping the bed deformation operation by the bed leaving detection means, and the operation for stopping the bed deformation operation can be easily performed even in the case of a bag.

  An embodiment of a bed control apparatus according to the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing a bed provided with a control device. FIG. 2 is a block diagram showing the configuration of the control device. FIG. 3 is a side view showing the bed. FIG. 4 is a side sectional view showing the state of the driving means in the state of each bed. FIG. 5 is a side view showing the bed leaving detection means. FIG. 6 is an explanatory view showing an installation state of the bed leaving detection means. FIG. 7 is a flowchart showing a control flow of the control device. FIG. 8 is an explanatory view showing an installation state of another bed leaving detection means.

First, the bed B provided with the control device 1 according to the present invention will be described.
This bed B is configured as shown in FIG. More specifically, the base frame 3 is fixed to the base frame 2 installed on the floor surface, and the sliding frame 4 is disposed on the base frame 3 so as to be movable back and forth with respect to the base frame 3. . Further, a waist support bottom 5 is disposed on the sliding frame 4. And it was supported by the raising / lowering mechanism 6 comprised between the said base frame 3 and the sliding frame 4 so that it could adjoin on the back side of this waist support bottom 5, and the same plane could be formed. A back bottom 7 is disposed. Further, the leg support bottom supported by the storage mechanism 8 that is actuated in accordance with the back-and-forth movement of the slide frame 4 so as to be adjacent to each other on the front side of the waist support bottom 5 and form the same plane. 9 is disposed. Further, mats M ₁ and M ₂ forming a floor portion of the bed B are placed on the waist receiving bottom 5, the back receiving bottom 7 and the leg receiving bottom 9. Further, in this bed B, as shown in FIG. 4, a driving means 10 is disposed between the fixture 3a provided on the base frame 3 and the fixture 4a provided on the sliding frame 4. .

The bed B configured as described above is operated as follows by operating the driving means 10 from the bed state shown in FIG. 3A and moving the sliding frame 4 backward. . First, when the sliding frame 4 is moved backward, the bottoms 5, 7, and 9 are moved backward. Along with this, the backrest bottom 7 is gradually raised by the hoisting mechanism 6. That is, the back support bottom 7 is raised while being moved backward. Further, the storage link 8 a of the storage mechanism 8 is operated in accordance with the rearward movement of the sliding frame 4, and the leg receiving frame 8 b of the storage mechanism 8 is moved rearward with respect to the sliding frame 4. As a result, the support link 8c of the storage mechanism 8 formed between the leg receiving bottom 9 and the leg receiving frame 8b is operated, and the leg receiving bottom 9 is moved downward. That is, the leg receiving bottom 9 is moved downward while being moved rearward, and the bed B is transformed into a chair state shown in FIG. 3 (b). Therefore, the bed B operates the driving means 10 and moves the sliding frame 4 in the front-rear direction to operate the hoisting mechanism 6 and the storage mechanism 8, and as shown in FIG. It is configured to be deformable. Further, when the bed B is transformed into a chair state, a large open space S is formed in front of the bed B.
The drive means 10 can be electrically controlled, and an actuator, a hydraulic device, or the like is used.

Next, the control device 1 will be described.
As shown in FIG. 2, the control device 1 includes a remote control 13 provided with a wake-up switch 11 and a fall-down switch 12 that are operated by the user to operate the bed B, and a floor portion of the bed B by the user. .., And a control unit 15 for operating the driving means 10 in response to signals from the remote controller 13 and the bed detection means 14, 14... Consists mainly of. Further, the control device 1 includes a bed state detection limit switch 16 for electrically detecting the bed state of the bed B, and a chair state detection limit switch for electrically detecting the chair state of the bed B. 17.

First, the bed leaving detection means 14 will be described.
The bed leaving detection means 14 is configured as shown in FIG. More specifically, the elastic members 19, 19 such as springs are inserted into the shaft portions 18a, 18a of the pin members 18, 18, and the shaft members 18a, 18a of the pin members 18, 18 are fixed ends. 20 is fitted to be movable up and down. Further, the pin members 18, 18 are prevented from falling off the boss members 20, 20 by pins 21, 21 attached to the shaft portions 18a, 18a below the boss members 20, 20. Further, a plate 22 is fixed to the upper portions of the pin members 18 and 18. Accordingly, when the plate 22 is pushed down, the elastic bodies 19, 19 are crushed between the heads 18 b, 18 b of the pin members 18, 18 and the boss members 20, 20. The urging force is accumulated, and the plate 22 is moved downward while being guided by the boss members 20 and 20 and the pin members 18 and 18. Further, when the force for pushing down the plate 22 is loosened or removed, the plate 22 is returned to its original state by the urging force accumulated in the elastic bodies 19 and 19. Further, limit switches 23 and 23 for electrically detecting the downward movement of the plate 22 are disposed via fixtures 24 and 24 serving as fixed ends so as to be positioned below the plate 22. . Further, on the lower surface of the plate 22, contacts 25 and 25 are provided for operating the detection pieces 23a and 23a of the limit switches 23 and 23 as the plate 22 moves up and down.
The bed leaving detection means 14 configured as described above is configured such that when a load is applied to the plate 22 from the state shown in FIG. 5 (a), the plate 22 is pushed down as shown in FIG. 23 detection pieces 23a and 23a are rotated downward so that a load is applied to the upper side of the plate 22, that is, so that the user can electrically detect a bed-like state existing on the floor portion of the bed B. Has been. When the load acting on the plate 22 is removed, the plate 22 is moved upward by the urging force of the elastic bodies 19 and 19, and the detection pieces 23a and 23a of the limit switches 23 and 23 are returned to the original state. The plate 22 is applied with a load, that is, the user is electrically detected from the bed leaving state that does not exist on the floor of the bed B.

The above-mentioned bed detection means 14, 14,... Are provided on the reinforcing beams 5a, 5a, 7a, 7a, 9a, 9a of the bottoms 5, 7, 9 of the bed B, as shown in FIG. The boss members 20, 20,... Are fixed via the arm plates 26, 26,... And the fixtures 24, 24,. . At this time, the six view (b) as shown in the figure, the plate 22 from a plane mat _M 1, _{M 2} is placed to the bottom 5, 7, 9 forms, ... are The bed leaving detection means 14, 14,... Are installed so as to protrude. Therefore, when the mats M ₁ and M ₂ are placed with the bed leaving detection means 14, 14,... Installed on the bottoms 5, 7, 9, the plates 22, 22,. It is necessary to select the elastic bodies 19, 19,... So that the bed leaving detection means 14, 14,... Do not enter a state where there is no user on the floor. . Further, by installing the bed detection means 14, 14,... On the bottoms 5, 7, 9 of the bed B, the load applied to the bed detection means 14, 14,. Since the rigidity of the bed leaving detection means 14, 14,... Is not required as much as the difference, the configuration can be simplified.

Although not shown, when the mats M ₁ and M ₂ are placed on the bottoms 5, 7, 9, the plates 22, 22,. 14..., Even if the notches are provided in the mats M ₁ and M ₂ so as not to detect the presence of the user even though the user is not present on the floor, there is no functional problem. Absent.
Further, the bed leaving detection means 14 of the present embodiment is configured as shown in FIG. 5, but there is provided a portion that is displaced depending on whether or not a load from the user applied to the floor portion of the bed B is applied. There is no problem in terms of function as long as the bed leaving detection means can electrically detect the displacement of the displaced portion with a limit switch or a proximity sensor.
Further, in this embodiment, as shown in FIG. 6, two bed detecting means 14 and 14 are installed at the bottoms 5, 7 and 9 of the bed B, respectively, but not shown. One bed leaving detecting means 14 may be installed for each of the bottoms 5, 7, 9. However, in the case where there is one bed detection means 14 installed on each of the bottoms 5, 7, and 9, the plate 22 of the bed detection means 14 is made large so as not to reduce the sensitivity of detecting the user's bed leaving state. It is desirable to make it. Moreover, there is no problem in terms of function even if there are three or more bed leaving detection means 14 installed on each of the bottoms 5, 7, 9.
In the present embodiment, the bed detection means 14, 14,... Are installed at the bottoms 5, 7, 9 of the bed B. However, usually, when the user tries to get out of the bed B while the bed B is in the bed state, the following operation is performed. First, raise your body on the floor of Bed B. Then, the body direction is changed around the buttocks so that the legs are thrown out toward the side of the bed B which is easily separated from the bed B, and the posture of the end position is taken at the side end of the bed B. Alternatively, the robot moves while lying down to the side of the bed B, lowers the foot from the bed B while raising the body around the buttocks, and takes an end-sitting posture at the side end of the bed B. And, it comes out of bed B. That is, when the user tries to leave the bed B while the bed B is in the bed state, the user's load is applied to the waist receiving bottom 5 until just before leaving the bed. Therefore, the bed leaving detection means 14 may be provided at least on the waist receiving bottom 5. However, when the bed B is used, it is also possible that a user's load is applied only to the back support bottom 7 or only to the leg support bottom 9, so that each bottom 5, 7, 9 is used as in this embodiment. It is desirable to install bed leaving detection means 14, 14,. That is, it is desirable that the bed leaving detection unit 14 be installed so that the load applied to the floor by the user can be detected regardless of the location of the floor of the bed B.

Next, the control unit 15 will be described with reference to FIG.
When the wake-up switch 11 of the remote controller 13 is operated, the control unit 15 operates the driving unit 10 so that the bed B is deformed toward the chair state. When the operation of the wake-up switch 11 is stopped, the driving means 10 is stopped and the deformation operation of the bed B is stopped. Further, when the chair state detection limit switch 17 detects the chair state of the bed B while the wake-up switch 11 is being operated, the control unit 15 stops the driving means 10 regardless of the operation of the wake-up switch 11. Thus, the deformation operation of the bed B is stopped. That is, the control unit 15 operates the driving means 10 so as to deform the bed B toward the chair state only while operating the wake-up switch 11, and the chair state detection limit switch 17 switches the chair state. If detected, the driving means 10 is configured not to be operated by operating the wake-up switch 11.
The chair state detection limit switch 17 is fixed to a fixture 4b provided on the fixture 4a of the sliding frame 4, as shown in FIG. When the bed B shown in FIG. 4 (a) is not in the chair state, the detection piece 17a is not in contact with the driving means 10 and the chair state detection limit switch 17 is not in contact with the drive means 10, and FIG. In the state where the sliding frame 4 is moved most rearward so that the bed B shown in the figure is in the chair state, the detection piece 17a is rotated by coming into contact with the driving means 10 to electrically detect the chair state. It is installed so that it can.

In addition, when the falling switch 12 of the remote controller 13 is operated, the control unit 15 operates the driving unit 10 so that the bed B is deformed toward the bed state. When the operation of the falling floor switch 12 is stopped, the driving means 10 is stopped and the deformation operation of the bed B is stopped. Further, when the bed state detection limit switch 16 detects the bed state of the bed B while the fall switch 12 is being operated, the control unit 15 drives the driving means 10 regardless of the operation of the fall switch 12. Is stopped, and the deformation operation of the bed B is stopped. That is, the control unit 15 operates the driving means 10 so as to deform the bed B toward the bed state only while operating the falling floor switch 12, and the bed state detection limit switch 16 is set to the bed state. Is detected, the driving means 10 is configured not to be operated by the operation of the falling floor switch 12.
As shown in FIG. 4, the bed state detection limit switch 16 is fixed to a connecting girder 3b provided on the front side of the base frame 3 via a fixture 3c. When the bed B shown in FIG. 4 (b) is not in the bed state, the detection piece 16a is not in contact with the driving means 10 and the bed state detection limit switch 16 is shown in FIG. 4 (a). In the state where the sliding frame 4 is moved most forward so that the bed B shown in the figure is in the bed state, the detection piece 16a is rotated by coming into contact with the driving means 10, and the bed state can be detected electrically. It is installed as follows.

Further, when the control unit 15 detects the bed leaving state from the floor of the user by all the bed leaving detecting means 14, 14,... Provided on the bottoms 5, 7, 9 of the bed B, Furthermore, the drive means 10 is operated until the chair state detection limit switch 17 detects the chair state, and the bed B is transformed into the chair state. In this embodiment, when the control unit 15 detects the user's getting-off state by all the getting-off detection means 14, 14,..., The control unit 15 operates the timer, and after the measurement time of the timer. The driving means 10 is operated until the chair state detection limit switch 17 detects the chair state, and the bed B is transformed into the chair state. As described above, by confirming that the bed detection means 14, 14,... Continue to detect the bed leaving state for a predetermined time using the timer, the user surely leaves the bed B. To make sure. Further, when the wake-up switch 11 or the falling-down switch 12 is operated during the measurement time of the timer or during the operation of the driving means 10 after the measurement time has elapsed, the control unit 15 follows the operation of the operated switch. The driving means 10 is operated. At this time, the timer is reset. Further, the control unit 15 resets the timer when at least one bed detection means 14, 14,. In addition, when at least one bed detection means 14 detects the bed state during the operation of the driving means 10 after the elapsed time of the timer, the control unit 15 stops the driving means 10 and performs the deformation operation of the bed B. Stop and reset the timer.
Moreover, the deformation | transformation operation | movement of the bed B by the bed leaving detection means 14, 14, ... will be performed if the select switch 27 electrically interposed between the bed detection means 14, 14, ... and the control part 15 is ON. If it is OFF, it is not executed. When the select switch 27 is turned OFF, the control unit 15 is in a state of receiving a pseudo signal that the bed leaving detection means 14, 14,... The deformation operation of the bed B by the bed leaving detection means 14, 14,... Is not executed.
As shown in FIGS. 3 and 4, the control unit 15 configured as described above is disposed in a control box 28 provided at the lower portion of the driving means 10.

Although not shown, if the wake-up switch 11 or the fall-over switch 12 is operated during the deformation operation of the bed B by the bed leaving detection means 14, 14,... Stop deformation operation. Even if the control unit 15 is configured such that the bed B is deformed according to the rising switch 11 or the falling switch 12 by operating the rising switch 11 or the falling switch 12 again, there is no functional problem. There is no.
Although not shown, there is no functional problem even if the setting of the timer measurement time can be adjusted.
Further, in this embodiment, the control box 28 is provided below the driving means 10. That is, the control box 28 is provided in a place that does not hinder the deformation operation of the bed B and does not interfere with the use of the bed B by the user. Therefore, the place where the control box 28 is provided may be anywhere in the bed B as long as the above-described conditions are satisfied, and is not limited to the present embodiment.
In this embodiment, the bed state detection limit switch 16 and the chair state detection limit switch 17 are provided as shown in FIG. That is, the bed state detection limit switch 16 detects the bed state electrically when the detection piece 16a is rotated in a state where the back bottom 7 forms the same plane as the other bottoms 5 and 9. It is arranged. Further, the chair state detection limit switch 17 is arranged so that the chair state is electrically detected by rotating the detection piece 17a with the backrest bottom 7 in the highest position. Therefore, if the bed state detection limit switch 16 and the chair state detection limit switch 17 are installed so that the respective states can be detected, the place of the bed B where the limit switches 16 and 17 are installed. Can be located anywhere, and is not limited to this embodiment. In recent years, the limit switch for detecting the longest state and the shortest state in the stroke range of the actuator that can be used for the driving means 10 and stopping the operation of the actuator in each state. Etc. are inherent. For example, the actuator is provided with the base frame 3 and the sliding frame so that the bed B is in the bed state at the longest stroke and the bed B is in the chair state at the shortest stroke. 4 is not necessary to provide the bed state detection limit switch 16 and the chair state detection limit switch 17 in particular.

Further, in this embodiment, the bed leaving detection means 14, 14,... Are installed on the bottoms 5, 7, 9 of the bed B. However, although not shown, the bed leaving detection means 14 may be installed between the base frame 2 installed on the floor surface of the bed B and the floor surface. Further, the bed leaving detection means 14 may be installed between the fixed portions of the bed B between the base frame 2 and the base frame 3. In this way, the bed leaving detecting means is transmitted to the constituent parts of the bed B to which the user's load acting on the floor of the bed B is transmitted via the bottoms 5, 7, 9 and the hoisting mechanism 6, the storage mechanism 8, etc. 14 will be installed. That is, even if there is only one bed leaving detecting means 14 to be installed, it is possible to detect the load of the user applied to any place on the floor portion of the bed B, and to detect the user's bed standing state and bed leaving state. become able to. Therefore, installing the bed leaving detection means 14 in such a place can suppress the number of bed leaving detection means 14 to be installed, and the configuration of the control device 1 can be simplified. Although not shown, for example, at least one leg 2a of the base frame 2 of the bed B is divided into an upper part and a lower part, and the bed detection means 14 is interposed therebetween. The same effect as described above can be obtained.
In the present embodiment, the bed leaving state and the bed standing state are detected by the load of the user applied to the floor portion of the bed B. However, instead of the bed leaving detection means 14, a bed leaving detection means 29 using a thermographic camera, a video camera, a photoelectric sensor such as an infrared sensor, or the like may be used. That is, the bed leaving state may be detected by comparing the state where the user is present on the floor portion of the bed B with the state where the user is not present on the bed B. Then, as shown in FIG. 8 (a), the bed leaving detection means 29 can be used as a monitoring area on the ceiling or the like of the room where the bed B is installed, at least when the bed B is in the bed state. Let them be installed. At this time, as shown in FIG. 8B, even when the bed B is in the chair state, it is desirable to install the bed leaving detection means 29 where the floor of the bed B can be used as a monitoring area. According to the bed leaving detection means 29, the monitoring area can be included not only on the floor portion of the bed B but also the periphery thereof. Therefore, during the deformation operation of the bed B by the bed leaving detection means 29, the deformation operation of the bed B can be stopped just by approaching the bed B, and a bed control device rich in safety can be configured. Although not shown, there is no problem even if the bed leaving detection means 29 is installed directly on the bed B or installed via a fixture.

The control device 1 configured as described above can change the bed B into an arbitrary state by operating the wake-up switch 11 or the fall-off switch 12 provided in the remote controller 13.
In addition, the control device 1 can automatically change the bed B into a chair state by detecting the user's getting-off state from the floor portion of the bed B by the getting-off detection means 14, 14,. Has been. According to this, when the user leaves the bed, even if the bed B leaves the bed B in the bed state, the bed B can be automatically set in the chair state, and the room in which the bed B is automatically installed Since the occupation amount by the bed B can be reduced, the room can be easily used widely. In addition, since no special operation is required at this time, for example, it is possible to effectively use a morning time. Further, when the user leaves the bed B and later returns to the bed B, the bed B is transformed into a chair so that the user can return to the bed B from the open space S in front of the bed B. It becomes easy to return to the bed B. Further, returning to the bed B and changing the bed B into a bed state by operating the remote controller 13, the user can easily take a sleeping posture on the floor. Therefore, even a physically handicapped user can easily perform the operation from returning from the bed B to returning to the bed B and taking a sleeping posture, which also assists in assistance.
Further, the bed leaving detection means 14, 14,... Is detected by the load applied from the user to the floor portion of the bed B, so that the user's standing state and bed leaving state are detected. The bed leaving state can be detected reliably.
When the bed B is being deformed by the bed detection means 14, 14,..., If at least one bed detection means 14 detects the presence of the user, the drive means 10 is stopped to deform the bed B. The operation was stopped. According to this, the deformation | transformation operation | movement of the bed B can be stopped by giving the pseudo | simulation information which determines with having detected the bed presence state to the at least one bed leaving detection means 14. FIG. Therefore, even if there is no user on the floor portion of the bed B, the deformation operation of the bed B by the bed leaving detection means 14, 14,... Can be stopped only by applying a load to a part of the floor portion. become. In other words, the entire floor portion of the bed B becomes a switch for stopping the deformation operation of the bed B by the bed leaving detection means 14, 14,... Can be easily performed.

Next, another embodiment of the control device according to the second embodiment will be described with reference to the drawings. FIG. 9 is a front view showing the configuration of the bed leaving detection means. FIG. 10 is an explanatory view showing an installation state of the bed leaving detection means.
The difference between this control device and the control device 1 of the first embodiment is only the bed leaving detection means 30. Hereinafter, only the bed leaving detection unit 30 will be described.
As shown in FIG. 9, the bed leaving detection means 30 is pivotally connected to a bracket body 32 by a shaft member 33 at one end of a detection rod 31. Further, a bracket 32a for holding the detection rod 31 in the substantially horizontal state shown in FIG. 9 (a) and the upward rotation state shown in FIG. 9 (b) is the bracket body 32. It is fixed to. Furthermore, when the detection rod 31 is rotated upward by a predetermined amount from a substantially horizontal state, the detection rod 31 shown in FIG. 9 (b) is rotated until it is in the upward rotation state. The detection rod 31 is biased by a spring body 34. In addition, a limit switch 35 for electrically detecting that the detection rod 31 has been turned upward is fixed to the bracket body 32. When the detection rod 31 is rotated to be in the upward rotation state, the contact 31a provided at the end of the detection rod 31 is brought into contact with the detection piece 35a of the limit switch 35, and the detection piece 35a is rotated. Thus, the upward rotation state of the detection rod 31 is electrically detected.

  As shown in FIG. 10, the bed leaving detection means 30 and 30 configured in this manner are provided on the support pillars 31 and 31 erected on the front part of the base frame 2 of the bed B, and below the bracket bodies 32 and 32. Is fixed and installed. At this time, the bed leaving detection means 30, 30 are installed such that the detection rods 31, 31 are positioned above the floor portion of the bed B and substantially in a straight line. Further, the bed leaving detection means 30 and 30 are arranged such that the floor portion of the bed B and the detection rod 31 are not operated by touching the detection rods 31 and 31 when the user turns over on the floor portion. , 31 are spaced apart by a predetermined amount. By installing in this way, the bed detection means 30, 30 can be used by the user when the detection rods 31, 31 shown in FIG. 9 (a) are in a substantially horizontal state. It is assumed that the user is in a bed while the bed B is not disturbed by the presence of the user. Further, when the bed B leaves the bed B in the bed state, if the user wakes up and then moves away from the bed B, the detection rods 31 and 31 are in the way, and the user detects The bars 31 and 31 are naturally operated so as not to get in the way. Therefore, the bed leaving detection means 30, 30 is provided with a detection bar 31 that becomes a hindrance when the user leaves the bed B when the detection bars 31, 31 shown in FIG. Assuming that the user is turning, the user's bed leaving state is detected. That is, the bed leaving detection means 30 and 30 detect the bed leaving state by capturing the user's action to leave the bed.

According to the bed leaving detection means 30, 30, first, when the detection rods 31, 31 are rotated upward by a predetermined amount from a substantially horizontal state by the spring bodies 34, 34, the detection rods 31, 31 are in an upward rotation state. It is possible to perform the operation easily by being rotated until it becomes.
Further, according to the bed leaving detection means 31 and 31, by operating the detection rods 31 and 31 while the user is sleeping on the bed B, the bed B is automatically chaired by the control unit 15 thereafter. Therefore, the bed B can be transformed into a chair state without operating the remote controller 13.
Furthermore, by setting up the bed leaving detection means 30 and 30 as described above, when the user wakes up from the sleeping state, the user is gripped by the detection rods 31 and 31 to wake up the body. Is also possible. In other words, the bed leaving detection means 30, 30 can be used as an assisting tool, and the user can easily wake up the body.

In the present embodiment, the bed leaving state can be electrically detected by rotating the detection rods 31, 31 of the bed leaving detection means 30, 30 upward. However, although not shown, the bed detection means may be configured so that the bed leaving state can be electrically detected by rotating the detection rod forward, that is, in the direction along the side of the bed B. There is no functional problem.
In the present embodiment, the bed leaving detection means 30 and 30 are fixed to the columns 36 and 36 erected on the front part of the base frame 2 of the bed B. However, although not shown, there is no problem even if the bed leaving means 30 and 30 are provided on the side fence provided on the bed B that prevents the user from falling from the side of the bed B. The place where the bed leaving detection means 30 and 30 are installed is a place where the deformation operation of the bed B is not hindered, and a place where the user gets out of the bed B while the bed B is in the bed state. If there is, it is not limited to the present embodiment.
Furthermore, in this embodiment, the two bed leaving detection means 30, 30 are installed on the bed B. Although not shown, the length of the detection bar 31 is about the length of the bed B in the floor width direction. Even if there is only one bed detection means 30 to be installed, there is no functional problem.

The perspective view which shows the bed with which a control apparatus is comprised. Example 1 The block diagram which shows the structure of a control apparatus. Example 1 The side view which shows a bed. (Example 1) (a) The side view which shows a bed state. (B) The side view which shows a chair state. The sectional side view which shows the state of the drive means in the state of each bed. (Example 1) (a) Side sectional view which shows the state of the drive means in a bed state. (B) Side sectional view which shows the state of the drive means in a chair state. The side view which shows a bed leaving detection means. (Example 1) (a) The side view which shows the state which detected the bed leaving state. (B) The side view which shows the state which detected the bed presence state. Explanatory drawing which shows the installation state of a bed leaving detection means. (Example 1) (a) The top view. (B) The sectional side view. The flowchart which shows the flow of control of a control apparatus. Example 1 Explanatory drawing which shows the installation state of another bed leaving detection means. (Example 1) (a) The side view which shows the monitoring area | region of the bed leaving detection means in a bed state. (B) The side view which shows the monitoring area | region of the bed leaving detection means in a chair state. The front view which shows a bed leaving detection means. (Example 2) (a) The front view which shows the state which detected the bed presence state. (B) The front view which shows the state which detected the bed leaving state. Explanatory drawing which shows the installation state of a bed leaving detection means. (Example 2) (a) The top view. (B) The front view.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Control apparatus 5 Waist receiving bottom 7 Back receiving bottom 9 Leg receiving bottom 10 Drive means 14 Get-off detection apparatus 15 Control part 29 Get-off detection means 30 Get-off detection means B Bed M ₁ mat M ₂ mat

Claims (4)

  In the bed control device that can be transformed into a chair state, when all the bed detection means for detecting the bed leaving state of the user from the bed floor part detects the bed leaving state from the user floor part, the control is performed thereafter. The bed control device characterized in that the driving means is operated in the section to deform the bed into a chair state.   The bed leaving detection means is provided with a portion that is displaced between a state in which a load from a user applied to the bed portion of the bed is applied and a state in which the load is not applied, and the displacement of the displaced portion is detected, thereby The bed control apparatus according to claim 1, wherein the bed control apparatus is configured to detect a state and a bed leaving state.   The bed detection means is configured to detect the bed leaving state from the floor of the user's bed by rotating the detection bar. The bed leaving detection means is installed so that the user is detected to be in a bed leaving state when the detection rod is in a position where it is rotated to a position that does not interfere with bed leaving. The bed control device according to claim 1.   When the bed detecting operation by the bed leaving means is detected, when the at least one bed detecting means detects the user's bed state, the driving means is stopped to stop the bed deforming operation. Item 4. The bed control device according to Item 1 to 3.

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