JP5429936B2 - Safety bathing device - Google Patents

Description

  The present invention relates to a safe bathing device for assisting bathing of physically disabled people and elderly people (hereinafter, care recipients).

  Patent Document 1 of the conventional device has a designation button for designating the bathing depth, and stops the descent when the support plate reaches a predetermined depth designated by the designation button.

Japanese Patent Publication No. 6-9588

In the configuration described in Patent Document 1, safety measures at the time of failure of the water level detection sensor, safety measures against an increase in water level, and the like are not disclosed.
Safety measures such as a configuration that stops the support plate from entering when there is an abnormality and a configuration that raises the support plate when the water level rises are issues.
Moreover, in the general bathtub lift, when a plurality of lifts are installed, the water surface height varies greatly depending on the number of lifts (= lifts in which the platform is intruded). The prevention of accidents due to this change in water level is also an issue.

  The present invention has been made to solve these problems, and an object of the present invention is to provide a safe bathing apparatus that can safely enter a bathtub and can be safe against fluctuations in the hot water surface.

The present invention that achieves the above object comprises a bathtub 2, a platform 3, a platform support 4, and a safety stop mechanism 5, and either or both of the bathtub 2 and the platform 3 are moved up and down. 2 is a safe bathing apparatus 1 for advancing and retreating the mounting table 3 with respect to the hot water in the bath 2 and bathing a bather on the mounting table 3, wherein the water depth of the mounting table 3 is arbitrarily set in the safety stop mechanism 5 A detection unit 21 to detect, a motor 22 that is a drive source for the elevation, and a control unit 23 that controls the motor 22 by obtaining the output of the bathing switch 33 or the detection unit 21 are provided. If the assistant manually moves the platform 3 into the hot water of the bathtub 2 and the platform 3 reaches a suitable water depth, the manual operation is stopped. At this time, when the assistant continues without stopping the manual operation, the detection unit 21 and the control unit 23 are operated to stop the entry. .
Moreover, the swivel type bathing lift 6 is comprised by the mounting base 3, the mounting base support body 4 which raises / lowers the mounting base 3, and the safety stop mechanism 5, and the detection part 21 is a suitable mounting base water level sensor 20a. When the water level of the tub 2 rises during bathing, the upper stage water level sensor 20b outputs a signal and the control unit 23 is configured. Is to appropriately move the platform 3 in the direction of leaving the bathtub 2, and the appropriate platform water level sensor 20 a and the upper platform water level sensor 20 b are provided on the platform 3 so that their mounting positions can be changed.
Further, the platform 3, the platform support 4, and the safety stop mechanism 5 constitute a forward bath lift 46, and the platform 3 is provided with a water depth scale 59. It has a winding type lifting mechanism 50 that raises and lowers the mounting table 3, and the detection unit 21 detects a water level by using a potentiometer 56 that is provided in the winding type lifting mechanism 50 and detects the position of the mounting table 3, a float 58, and a section switch 57. A water level detector 54, a water depth setting device 60 for setting the water depth of the mounting table 3, and a calculation unit 53 for calculating the water depth of the mounting table 3 and comparing the calculated value with the set value. When the water depth of the mounting table 3 increases, the calculation unit 53 outputs a signal, and the control unit 23 moves the mounting table 3 in the exit direction from the bathtub 2, and the water depth of the mounting table 3 is arbitrarily set in advance. It can be set by inputting to the water depth setting device 60.
Furthermore, the control unit 23 has a rise determination processing memory 19 that raises the platform 3, and when the water level of the bathtub 2 rises during bathing, the detection unit 21 and the rise determination processing memory 19 operate, and the control unit 23 Raise the platform 3.
The safety stop mechanism 5 has a delay time setter 38. When the safety stop mechanism 5 causes the stage 3 to follow in the exit direction in response to a change in the water level of the bathtub 2, the delay time setter 38 The follow-up delay time of the stage 3 with respect to the fluctuation of the stage 3 is set, and the follow-up delay time of the stage 3 can be arbitrarily adjusted by this setting.
Furthermore, the safety stop mechanism 5 has a threshold value setting device 61 that determines a threshold value related to the value of the water level fluctuation, and when the control unit 23 causes the mounting table 3 to follow the exit direction in response to the water level fluctuation of the bathtub 2, The threshold setting device 61 sets the reaction sensitivity of the control unit 23 with respect to fluctuations in the water level. With this setting, the reaction sensitivity of the control unit 23 can be arbitrarily adjusted.
Furthermore, the safety stop mechanism 5 includes a detection unit 21 and a bathing notification unit 25 connected to the detection unit 21, and the detection unit 21 detects a distance between the mounting table 3 and the water surface.
When the descending platform 3 approaches the water surface of the bathtub 2 at the beginning of bathing, the detection unit 21 and the bathing notification unit 25 are activated, and the bathing reporting unit 25 notifies the entrance of the platform 3 in advance.

In the present invention, at the beginning of bathing, an assistant enters the tub 2 by manual operation, and when the platform 3 reaches a suitable water depth, the assistant stops the manual operation. Even if the person continues and does not stop the manual operation, the detection unit 21 and the control unit 23 operate, and the safety stop mechanism 5 stops the entry. The safety stop mechanism 5 is activated and the entry of the platform 3 is stopped, which is safe and convenient for the bather to be submerged.
Further, even when the bathing switch 33 is broken, the safety stop mechanism 5 is activated to stop the entry of the platform 3, which is safe and can prevent the bather from being submerged.

  Further, according to the present invention, when the hot water level of the bathtub 2 rises during bathing, the stage water level sensor 20 and the control unit 23 are operated, and the safety stop mechanism 5 appropriately moves the stage 3 in the direction of leaving the bathtub 2. Since the mounting water level sensor 20 is provided on the mounting table 3 so that its mounting position can be changed, the position of the mounting water level sensor 20 is adjustable and is mounted according to the situation of the bather. This prevents the bather from being submerged and is convenient.

In addition, the detection unit 21 according to the present invention is provided on the mounting support 4, and the assistant can arbitrarily input the water depth value to the water depth setting device 60 with reference to the water depth scale 59.
The water depth can be arbitrarily set with an input to the water depth setting device 60, and bathing can be given at a water depth suitable for the bather, which is convenient.

  Moreover, the control part 23 which concerns on this invention has the raise judgment processing memory 19 which raises the mounting base 3, and if the water level of the bathtub 2 goes up during bathing, the raise judgment processing memory 19 will operate | move and the control part 23 will be mounted. Since the table 3 is raised, when the water level of the bathtub 2 fluctuates, the table 3 rises corresponding to this, which is safe and convenient. That is, when the water level rises, the platform 3 also rises, so that the bather can be prevented from being submerged. When there are a plurality of bathers and the water level rises, when the water level rises due to forgetting to tighten the hot water supply valve, or when the water level rises due to an accident, etc., it can be handled safely.

The safety stop mechanism 5 according to the present invention has a delay time setter 38. When the safety stop mechanism 5 causes the stage 3 to follow in the exit direction in response to a change in the water level of the bathtub 2, a delay time setter is provided. No. 38 sets the delay time of follow-up of the stage 3 with respect to the fluctuation of the water level, and the follow-up delay time of the stage 3 can be arbitrarily adjusted by this setting. The movement of 3 is stable, does not move frequently, and is convenient.
In addition, when the water level rises, it is convenient to set the platform 3 to follow the stage at an early stage, which is safe and convenient.

Further, the safety stop mechanism 5 according to the present invention has a threshold setting device 61 that determines a threshold value related to the value of the water level fluctuation, and the control unit 23 moves the platform 3 in the exit direction in response to the water level fluctuation of the bathtub 2. When tracking, the threshold setting unit 61 sets the reaction sensitivity of the control unit 23 with respect to fluctuations in the water level, and the reaction sensitivity of the control unit 23 can be arbitrarily adjusted by this setting. The movement of the platform 3 is stable and convenient.
Further, when the water level rises, it is convenient to raise the stage 3 by reacting even if it is small, and it is convenient for safety.

  The safety stop mechanism 5 according to the present invention includes a detection unit 21 and a bathing notification unit 25 connected to the detection unit 21, and the detection unit 21 detects the water depth of the mounting table 3 and also mounts the mounting table. 3 detects that it has approached the water surface of the bathtub 2, and when the platform 3 being lowered approaches the water surface of the bathtub 2 to a predetermined distance at the beginning of bathing, the detection unit 21 and the bath notification unit 25 Since the bathing notification unit 25 operates in sequence and notifies the entrance of the platform 3 in advance, a notification sound can be heard immediately before the entrance of the water, so that it is possible to prepare the mind and suppress the startle feeling, which is convenient.

It is the block diagram which showed Example 1, 2 of this invention. It is the detailed block diagram which showed Example 1 of this invention. It is the right view which showed Example 1 of this invention. It is the detailed block diagram which showed Example 2 of this invention. It is the right view which showed Example 2 of this invention.

The purpose of providing a safe bathing apparatus 1 that can safely enter the bathtub 2 and can be safe against fluctuations in the hot water surface is provided from the bathtub 2, the platform 3, the platform support 4, and the safety stop mechanism 5. It is a safe bathing apparatus 1 for raising or lowering either one or both of the tub 2 and the pedestal 3 to move the pedestal 3 forward and backward in the hot water in the tub 2, and bathing the bather on the pedestal 3. The safety stop mechanism 5 obtains the output of the detection unit 21 that arbitrarily sets and detects the water depth of the mounting table 3, the motor 22 that is the driving source for the elevation, and the bath switch 33 or the detection unit 21. And a controller 23 for controlling the motor 22. At the beginning of bathing, an assistant manually moves the platform 3 into the hot water of the bathtub 2, and the manual operation is performed when the platform 3 reaches a suitable water depth. At this time, if the assistant continues without stopping the manual operation, the detection unit 21 and the control unit 2 are stopped. There have safety bath apparatus characterized by stopping the ingress actuated, was realized.

  1 to 3 show a first embodiment of the present invention. 1 is a block diagram, FIG. 2 is a detailed block diagram, and FIG. 3 is a right side view.

  A safe bathing apparatus 1 shown in FIG. 1 includes a bathtub 2, a platform 3, a platform support 4, and a safety stop mechanism 5.

A safe bathing apparatus 1 shown in FIG. 3 has a bathing lift 6 attached to a bathtub 2.
This is a safe bathing device 1 in which the platform 3 moves up and down to move the platform 3 forward and backward in the hot water in the bathtub 2 and bathes the bather on the platform 3.
As another specific example, although not shown in the figure, the bathtub 2 is a lifting / lowering bathtub, the mounting table 3 is a fixed mounting table, the lifting / lowering bathtub is moved up and down, and the fixed mounting table is moved back and forth in the hot water in the lifting / lowering bathtub. It may be a bathtub elevating type safe bathing device for bathing the upper bather.
Moreover, both the bathtub 2 and the mounting base 3 may move up and down.

The bathtub 2 has the hot water temperature detection part 7 inside, and stores hot water.
The mounting table support 4 supports the mounting table 3, and includes a column unit 8, a column head unit 9, a lifting mechanism 10, a lift table unit 11, a remote control operation unit 12, a base unit 13, And a turning mechanism 14.
The platform support 4 is provided with an upper limit sensor 28 and a lower limit sensor 29.

  The platform 3 is for placing a bather, and includes a horizontal arm 15, a vertical arm 16, a hooking portion 17, a handle 18, and a mounting portion 24. A mounting table water level sensor 20 including an upper mounting table water level sensor 20b, an appropriate mounting table water level sensor 20a, and a lower mounting table water level sensor 20c is attached to the mounting table 3. The mounting table 3 is moved up and down by driving the motor 22.

The mounting portion 24 includes a carriage 35 and a seat portion 36 that is detachably placed on the carriage 35. The cart 35 and the seat portion 36 form a separate wheelchair.
The latching portion 17 of the vertical arm 16 latches the backrest 37 of the seat portion 36 on the vertical arm 16 when taking a bath.

  The safety stop mechanism 5 shown in FIG. 2 includes a detection unit 21 that detects the water depth of the platform 3, a motor 22 that is a driving source for the elevation, and a control unit that obtains the output of the detection unit 21 and controls the motor 22. 23, a remote control operation unit 12 for performing manual operation, and a slow start function 27 for slow starting the motor 22.

  The detection unit 21 can be set to an arbitrary height according to the height and body shape of the bather. The detection unit 21 includes a mounting table water level sensor 20. The mounting table water level sensor 20 includes an appropriate mounting table water level sensor 20a and an upper mounting table water level sensor 20b provided at a higher position than the appropriate mounting table water level sensor 20a. Have

The control unit 23 includes an output of the power transformer 30, an output of the detection unit 21, an output of the upper limit sensor 28, an output of the lower limit sensor 29, an output of the operation panel 31, and an output of the remote control operation unit 12. Is connected.
The output of the control unit 23 is connected to the slow start function 27 and the display panel 32.
The upper limit sensor 28 detects the position of the rising stage 3 and regulates the upper limit, and the lower limit sensor 29 detects the position of the lower stage 3 and regulates the lower limit.

The remote control operation unit 12 includes a bathing switch 33 and a bathing switch 34.
The bathing switch 33 is a switch in which the assistant causes the switch 3 to enter the bathtub 2 by manual operation (= push operation) and stops the entry by releasing the switch 33.
The bathing switch 34 is a switch for the assistant to leave the platform 3 from the bathtub by manually operating the switch 34 (= pressing operation).

The mounting table water level sensor 20 operates when the mounting table 3 reaches an appropriate position in the hot water, and stops the entry of the mounting table 3 by the operation.
The upper stage water level sensor 20b is activated when the hot water level rises during bathing, and the safety stop mechanism 5 appropriately moves the stage 3 from the bathtub 2 in the exit direction.

The lower stage water level sensor 20c is a switch that operates when the water level of hot water drops during bathing.
The mounting water level sensor 20 is attached to the seat portion 36 so that its mounting position can be changed.

The alerting | reporting part 42 alert | reports that the hot_water | molten_metal surface changed to the improper position by obtaining the output of the high level mounting water level sensor 20b and the low level mounting water level sensor 20c.
In FIG. 2, 39 is a power plug, 40 is a water level detection safety device for detecting a failure of the proper position water level sensor 20a, 41 is a position detection safety device for detecting a failure of the lower limit sensor 29, and 43 in FIG. Is a headrest, 44 is a caster, and 45 is a footrest.

When bathing using the first embodiment, the assistant changes the bather to the seat portion 36.
The seat portion 36 on which the bather is placed is hooked on the vertical arm 16 of the swivel bath lift 6. The cart 35 is unlocked from the seat portion 36 by the hooking.

The assistant rotates the seat portion 36 to the upper position of the bathtub 2 and then presses the bathing switch 33 to lower the mounting table 3.
When the bather on the seat portion 36 reaches a suitable position in the hot water, the pushing operation of the bathing switch 33 is stopped. When the pushing operation is stopped, the platform 3 stops descending and stops entering the hot water.

  When an assistant passes the bathing switch 33 by mistake, the detection unit 21 and the control unit 23 are operated and the platform 3 stops descending.

In the first embodiment, when the mounting table 3 descends and enters the hot water, the mounting water level sensor 20 is activated. That is, when an assistant passes the bathing switch 33 by mistake, first, the appropriate position water level sensor 20a is activated to stop the operation.
The mounting position of the mounting water level sensor 20 is changed and adjusted in accordance with the height, body shape, etc. of the bather, and the depth of hot water bathed by the bather is set to a suitable position.
The bather takes a bath at a suitable position in the hot water. Take a bath in a safe depth.

When the water surface of the bathtub 2 rises during bathing, the upper surface water level sensor 20b detects the water surface height. Based on the detection, the control unit 23 raises the platform 3.
When the water level of the bathtub 2 falls, the lower level water level sensor 20c detects the water level height, but the control unit 23 does not lower the elevating unit 49 for risk prevention.
When the upper stage water level sensor 20b detects the water surface and when the lower stage water level sensor 20c detects the water surface, the notification unit 42 operates to notify that the water surface has changed.

  During the bathing, take a bath when appropriate time passes. When the assistant pushes the bath switch 34 at the time of bathing, the platform 3 rises and the bather gets out of the hot water.

  The assistant moves the seat portion 36 toward the cart 35 and places it on the cart 35. The seat 18 is removed from the vertical arm 16 by operating the handle 18.

When the proper position water level sensor 20a breaks down, the water level detection safety device 40 is activated and the stage 3 stops moving up and down.
Further, when the lower limit sensor 29 or the upper limit sensor 28 breaks down, the position detection safety device 41 is activated, and the platform 3 stops moving up and down.

Next, Example 2 will be described. FIG. 4 is a detailed block diagram, and FIG. 5 is a right side view.
The safe bathing apparatus 1 shown in FIG. 5 is provided with a forward bath lift 46 attached to the bathtub 2.
The forward bath lift 46 is composed of a platform 3, a platform support 4, and a safety stop mechanism 5.

The mounting table 3 includes an elevating part 49 and a seat part 36. A separable wheelchair is formed from the seat portion 36 and the carriage 35 on which the seat portion 36 is placed. The seat portion 36 is provided with a water depth scale 59.
A guide rail 48 is provided in the elevating part 49. The guide rail 48 mounts the seat part 36 separated from the carriage 35 thereon.

The mounting support 4 includes a joint rail 47, a winding type lifting mechanism 50, a frame 51, and a housing 52.
The joint rail 47 is a rail that relays between the guide rail 48 and the carriage 35.
The joint rail 47, the guide rail 48, and the carriage 35 support the seat portion 36 so as to be slidable.
The raised guide rail 48 is positioned as an extension of the joint rail 47, and the seat portion 36 is placed so as to be able to reciprocate between the carriage 35, the joint rail 47 and the guide rail 48. The seat portion 36 separated from 35 is transferred to and placed on the guide rail 48 via the joint rail 47.

The platform support 4 raises and lowers the seat portion 36 placed on the guide rail 48 along the frame 51.
The platform support 4 allows the seat part 36 to enter the hot water of the bathtub 2 by lowering, and causes the seat part 36 to exit from the hot water by raising.

The safety stop mechanism 5 shown in FIG. 4 includes a detection unit 21, a control unit 23, a remote control operation unit 12, a motor 22, and a setting device 26.
The detection unit 21 is provided in the housing 52, and includes a calculation unit 53, a water level detector 54, a position detector 55, and a water depth setting device 60.

  The position detector 55 is a potentiometer 56 attached to the winding type lifting mechanism 50, and the potentiometer 56 detects the position of the lifting unit 49 in conjunction with the lifting and lowering of the lifting unit 49.

The water level detector 54 includes a section switch 57 attached to the stage support 4 and a float 58 acting on the section switch 57. The float 58 floats on the hot water surface. When the hot water surface moves up and down, the float 58 follows the hot water surface and moves up and down along the water level detector 54.
The section switch 57 is provided in a hanging manner at the tip of the joint rail 47 projecting forward from the housing 52, and a number of switches 57a, 57b, 57c,. It is provided in a series.

  The calculation unit 53 obtains the output of the potentiometer 56 and the output of the section switch 57, and calculates the water depth. Further, the calculated water depth value is compared with the set water depth value.

  The water depth setting device 60 sets the water depth of the seat portion 36 by an assistant. That is, the assistant inputs and sets the water depth value to the water depth setting device 60 with reference to the water depth scale 59, and the water depth of the seat portion 36 can be adjusted by this setting.

The setter 26 includes a delay time setter 38 and a threshold setter 61.
When the safety stop mechanism 5 causes the seat part 36 to follow the exit direction in response to the fluctuation of the water level, the delay time setting unit 38 arbitrarily sets the follow-up delay time of the seat part 36 with respect to the fluctuation of the water level, By this setting, the follow-up delay time of the seat portion 36 is adjusted.

  When the safety stop mechanism 5 causes the seat portion 36 to follow the exit direction in response to a change in the water level, the threshold setting unit 61 determines a threshold value of a signal at which the safety stop mechanism 5 starts operating in response to the water level change. is there. That is, the threshold setting device 61 arbitrarily sets the reaction sensitivity of the safety stop mechanism 5 with respect to fluctuations in the water level, and adjusts the reaction sensitivity of the safety stop mechanism 5 by this setting.

The controller 23 lowers and stops the seat portion 36 by pushing the bathing switch 33, and stops the seat portion 36 if there is an instruction to stop the computing portion 53 even during the pushing operation of the bathing switch 33. is there.
In addition, the control unit 23 includes an ascent determination processing memory 19 that ascends the seat portion 36 when an abnormality occurs. In the specific example, when the water level rises from the initial water level during bathing, the rise determination processing memory 19 is operated according to an instruction from the calculation unit 53 and gives an instruction to raise the platform to the control unit 23 by this operation. It is.

When the ascent judgment processing memory 19 is activated, the control unit 23 moves the seat unit 36 from the bathtub 2 in the exit direction as appropriate under the set value of the setting device 26.
The safety stop mechanism 5 includes a bathing notification unit 25 connected to the detection unit 21.
The bathing notification unit 25 obtains a signal from the detection unit 21 and notifies the bather and the assistant in advance of the water entering the seat unit 36.
In FIG. 4, 57a is the highest section switch, and 57n is the lowest section switch.

When bathing using Example 2, the assistant inputs the value of the water depth to the water depth setting device 60 with reference to the water depth scale 59 according to the height, body shape, etc. of the bather. Bathers take a bath at a suitable depth.
The assistant transfers the bather from a general wheelchair or the like to the seat portion 36. The seat portion 36 on which the bather is placed is transferred to the forward bath lift 46. The seat portion 36 is moved forward on the joint rail 47 to reach the guide rail 48.

The assistant pushes the bathing switch 33 and lowers the seat part 36 together with the elevating part 49.
When the descending seat part 36 approaches the water surface of the bathtub 2 up to a predetermined distance, the calculation part 53 and the bathing notification part 25 of the detection part 21 are sequentially operated, and the bathing alerting part 25 notifies the entrance of the seat part 36 in advance. To do.
Note that the water level detector 54 can be used to adjust the speed of descent of the platform 3 immediately before entering water (= decrease in speed, etc.).

At the beginning of bathing, the assistant stops pressing the bathing switch 33 when the bather reaches a suitable position in the hot water. By this stop operation, the seat portion 36 stops descending, stops the approach operation, and stays at a suitable position in the hot water.
When the assistant continues to push the bathing switch 33, the section switch 57 (= appropriate section switch 57f), the calculation section 53 and the control section 23 of the detection section 21 are sequentially operated, and the seat section 36 is lowered. Stop.

In this descent stop, the control unit 23 stops the motor 22 because the measured value of the water depth has reached the set value, and the bather is at a suitable position in the hot water at a safe suitable water depth. Then take a bath.
During bathing, when the hot water level rises and the measured value of the water depth exceeds the set value, the control unit 23 is activated, and the motor 22 appropriately moves the seat unit 36 from the bathtub 2 in the exit direction.

When the water level rises during bathing, the water level height is detected by a comparative upper section switch 57e provided above the appropriate section switch 57f. Based on the detection, the control unit 23 raises the seat unit 36.
That is, the output of the comparison upper section switch 57e activates the ascending judgment processing memory 19 held by the control unit 23, and the control unit 23 raises the seat portion 36 by this operation, thereby ensuring safety. In addition, the control part 23 does not automatically lower the seat part 36 during bathing to prevent danger.

  The seat 36 is raised following the rise of the water level. At that time, a threshold is set for the amount of increase in the water level. When the water level of the bathtub 2 fluctuates more than the value related to the threshold set by the threshold setting device 61, the control unit 23 reacts. By this reaction, the control unit 23 raises the seat unit 36 to ensure safety. The reaction sensitivity of the control unit 23 is arbitrarily adjusted by appropriately setting the threshold value.

When the output of the comparison upper section switch 57e is given to the control unit 23, the control unit 23 drives the motor 22 after being delayed by the delay time set by the delay time setting unit 38.
When the water level falls, the water level is detected by a comparative lower section switch 57g provided below the appropriate section switch 57f.

When the comparative upper section switch 57e detects the water surface and when the comparative lower section switch 57g detects the water surface, the notification unit 42 operates to notify that the water surface has changed.
When the comparison lower section switch 57g is operated, only a notification signal such as a notification sound is generated, and the control unit 23 does not lower the elevating unit 49 for risk prevention.

Move to a retreat bath where bathing was performed for an appropriate time. When the bather takes a bath, when the assistant pushes the bath switch 34, the seat portion 36 is raised and the bather gets out of the hot water.
The seat part 36 is moved backward together with the bather, transferred from the joint rail 47 to the carriage 35, and bathing is completed.

When the section switch 57 fails, the water level detection safety device 40 is activated and the seat portion 36 stops moving up and down.
When the potentiometer 56 fails, the position detection safety device 41 is activated and the seat portion 36 stops moving up and down.

  The present invention comprises a bathtub 2, a platform 3, a platform support 4, and a safety stop mechanism 5, and either one or both of the bathtub 2 and the platform 3 are raised and lowered to the hot water in the bathtub 2. A safe bathing apparatus 1 that moves the platform 3 forward and backward and bathes a bather on the platform 3, and includes a detection unit 21 that sets and detects the water depth of the platform 3 in the safety stop mechanism 5; A motor 22 that is a drive source for raising and lowering and a control unit 23 that controls the motor 22 by obtaining the output of the detection unit 21 are provided. The detection unit 21 can arbitrarily adjust the water depth of the platform 3 according to the body shape of the bather. At the beginning of bathing, an assistant manually moves the platform 3 into the bathtub 2 and stops the manual operation when the platform 3 reaches a suitable water depth. If the manual operation is continued without stopping, the detection unit 21 and the control unit 23 are operated to stop the entry. Safety bath apparatus characterized applicable.

DESCRIPTION OF SYMBOLS 1 Safe bathing apparatus 2 Bathtub 3 Mounting base 4 Mounting base support body 5 Safe stop mechanism 6 Swing type bath lift 19 Ascent judgment processing memory 20 Mounting stage water level sensor 20a Right position mounting stage water level sensor 20b Upper level mounting stage water level sensor 21 Detection part 22 Motor 23 Control unit 25 Bathing notification unit 38 Delay time setting device 42 Notification unit 46 Advance type bathing lift 50 Winding lift mechanism 53 Calculation unit 56 Potentiometer 57 Section switch 58 Float 59 Water depth scale 60 Water depth setting device 61 Threshold setting device

Claims (7)

The tub 2, the pedestal 3, the pedestal support 4, and the safety stop mechanism 5, and either or both of the tub 2 and the pedestal 3 are moved up and down to put the pedestal 3 on the hot water in the tub 2. A safe bathing apparatus 1 for advancing and retreating and bathing a bather on the platform 3, wherein the safety stop mechanism 5 has a detection unit 21 for arbitrarily setting and detecting the water depth of the platform 3, and the raising and lowering And a control unit 23 that controls the motor 22 by obtaining the output of the bathing switch 33 or the detection unit 21.
At the beginning of bathing, the assistant manually moves the platform 3 into the hot water of the bathtub 2 and stops the manual operation when the platform 3 reaches a suitable water depth. At this time, the assistant performs the manual operation. If it continues without stopping, the detection part 21 and the control part 23 operate | move and the said approach is stopped, The safe bathing apparatus characterized by the above-mentioned. The platform 3, the platform support 4 that raises and lowers the platform 3, and the safety stop mechanism 5 constitute a swivel bath lift 6, and the detection unit 21 includes an appropriate platform water level sensor 20 a, It is composed of an upper stage water level sensor 20b provided at a position higher than the position stage water level sensor 20a,
When the water level of the bathtub 2 rises during bathing, the upper stage water level sensor 20b outputs a signal, and the control unit 23 moves the stage 3 in the direction of exiting the bathtub 2 as appropriate. The safe bathing apparatus according to claim 1, wherein the sensor (20a) and the upper platform water level sensor (20b) are provided on the platform (3) so that their mounting positions can be changed. The platform 3, the platform support 4, and the safety stop mechanism 5 constitute a forward bath lift 46, and the platform 3 is provided with a water depth scale 59. The detecting unit 21 includes a potentiometer 56 provided on the winding type lifting mechanism 50 for detecting the position of the mounting table 3, a float 58 and a section switch 57 for detecting the water level. It comprises a detector 54, a water depth setting device 60 in which the water depth of the mounting table 3 is set, and a calculation unit 53 that calculates the water depth of the mounting table 3 and compares the calculated value with the set value.
When the water depth of the mounting table 3 increases during bathing, the calculation unit 53 outputs a signal, and the control unit 23 moves the mounting table 3 in the exit direction from the bathtub 2, and the water depth of the mounting table 3 is set in advance. The safe bathing apparatus according to claim 1, wherein the safety bathing apparatus can be arbitrarily set by inputting to the water depth setting device 60. The control unit 23 has a rise determination processing memory 19 that raises the platform 3, and when the water level of the bathtub 2 rises during bathing, the detection unit 21 and the elevation determination processing memory 19 operate, and the control unit 23 operates the platform 3. 4. The safe bathing apparatus according to claim 3, wherein The safety stop mechanism 5 has a delay time setter 38. When the safety stop mechanism 5 causes the stage 3 to follow the exit direction in response to the change in the water level of the bathtub 2, the delay time setter 38 changes the water level. 5. The safety bathing apparatus according to claim 3 or 4, wherein a delay time for following the platform 3 with respect to is set, and the following delay time for the platform 3 can be arbitrarily adjusted by this setting. The safety stop mechanism 5 has a threshold setting unit 61 that determines a threshold value related to the value of the water level fluctuation, and the threshold value is set when the control unit 23 causes the platform 3 to follow the exit direction in response to the water level fluctuation of the bathtub 2. The vessel 61 sets the reaction sensitivity of the control unit 23 with respect to fluctuations in the water level,
The safe bathing apparatus according to any one of claims 3 to 5, wherein the reaction sensitivity of the controller 23 can be arbitrarily adjusted by this setting. The safety stop mechanism 5 includes a detection unit 21 and a bathing notification unit 25 connected to the detection unit 21, and the detection unit 21 detects the distance between the mounting table 3 and the water surface.
At the beginning of bathing, when the platform 3 being lowered approaches the water surface of the bathtub 2, the detection unit 21 and the bathing notification unit 25 are activated, and the bathing notification unit 25 notifies the entrance of the platform 3 in advance. The safe bathing device according to any one of claims 3 to 6, characterized in that

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