CN102499833B - Control method for enabling angle between back plate and leg plate of electric medical bed to be 90 degrees - Google Patents

Abstract

The invention discloses a ninety-degree control method for the back leg board angle of an electric medical bed, which comprises the following steps in turn: a. Take the highest point of the leg board, adjust the height of the back board, and make the included angle between the back board and the leg board be 90 degrees , the controller memorizes the stroke A value of the backboard push rod in this state; b. Take the highest point of the backboard and adjust the height of the leg board so that the angle between the back board and the leg board is 90 degrees, and the controller memorizes this state The stroke B value of the lower leg board push rod; c. According to the relationship between the current position of the back board push rod and the leg board push rod and the relationship between the stroke A value and the stroke B value, determine whether the angle between the back board and the leg board is less than 90 degrees. The invention can effectively keep the angle between the electric medical bed back board and the leg board not less than ninety degrees.

Description

Ninety-degree angle control method for electric medical bed back leg board

technical field

The invention relates to a method for controlling the ninety-degree angle of the back leg board of an electric medical bed.

Background technique

The electric medical bed is mainly composed of two or more independent push rods, a mattress support table and a controller. The mattress support table is mainly divided into a backboard, a seat board, and a leg board. The push rod is connected with the mattress support table. Use the screw nut drive to convert circular motion into linear motion, and use the controller to realize the lifting of two or more push rods, so as to realize the rise, fall and inclination of the mattress support platform, bringing extra comfort to people Spend. The premise of the extra comfort brought by the electric medical bed is that the angle between the backboard and the leg board in the mattress supporting platform must be guaranteed to be more than 90 degrees. If the angle between the back board and the leg board is less than 90 degrees, it will give The patient brings a strong sense of discomfort, and also limits the patient's actions to a certain extent, bringing a lot of inconvenience to the patient.

Contents of the invention

The purpose of the present invention is to provide a ninety-degree control method for the angle of the back and leg boards of the electric medical bed, which can effectively solve the discomfort caused by the nurses and patients adjusting the angle of the back board and the leg boards too small in actual operation. The problem.

In order to solve the above technical problems, the present invention adopts the following technical solutions:

The method for controlling the angle of the back leg board of an electric medical bed at 90 degrees is characterized in that it includes the following steps in sequence:

a. Take the highest point of the leg plate and adjust the height of the back plate so that the angle between the back plate and the leg plate is 90 degrees. The controller memorizes the stroke A value of the back plate push rod in this state;

b. Take the highest point of the backboard and adjust the height of the leg board so that the angle between the back board and the leg board is 90 degrees. The controller memorizes the stroke B value of the leg board push rod in this state;

c. According to the relationship between the current position of the push rod of the back board and the push rod of the leg board and the value of stroke A and stroke B, judge whether the angle between the back board and the leg board is less than 90 degrees.

Further, when the stroke of the backboard push rod is greater than the stroke A value, when the extension of the leg board push rod is greater than the stroke B value, the leg board push rod continues to extend, and the back board push rod returns to the stroke A value.

Further, when the stroke of the leg board push rod is greater than the stroke B value, when the extension of the back board push rod is greater than the stroke A value, the back board push rod continues to extend, and the leg board push rod returns to the stroke B value.

Preferably, the controller adopts a single-chip microcomputer.

Due to the adoption of the above technical scheme, the present invention has the following beneficial effects: it can effectively keep the angle between the electric medical bed backboard and the leg board not less than 90 degrees, avoiding discomfort to the patient, and the simple and effective setting method reduces the number of single-chip microcomputers. The workload of processing real-time data, and at the same time, it can efficiently judge whether the angle between the backboard and the leg board of the medical bed will be less than 90 degrees, and automatically and effectively adjust the angle. It is convenient for customers to choose the same control system to control electric medical beds of different sizes. The rigorous and simple combination key setting method allows the user to reasonably set the angle between the legs of the medical bed backboard according to the actual situation. The normal operation mode and the setting mode are distinguished by the buzzer alarm, which can effectively remind the user of the current mode of the system. Since the number of buttons on the hand-held operator for controlling the electric medical bed is limited, a combination of keys is used to enter a setting mode at a 90-degree angle position of the backboard leg board, and at the same time reduce the risk of entering the setting mode due to misoperation. possibility. Different electric medical beds have different sizes and specifications, so it is necessary to open the position setting function of the 90-degree angle of the backboard leg board to the user, which can effectively solve the common problem of the same control system on electric medical beds of different sizes .

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing:

Fig. 1 is the structural representation of the electric medical bed that adopts control method of the present invention;

Fig. 2 is a schematic diagram of the manipulator of the electric medical bed in Fig. 1;

Fig. 3 is a schematic diagram of the angle of the backboard leg board in the electric medical bed in Fig. 1;

Fig. 4 is a schematic diagram of setting the position of the backboard in the electric medical bed in Fig. 1;

Fig. 5 is a schematic diagram of setting the position of the leg board in the electric medical bed in Fig. 1;

Fig. 6 is a flow chart of the control program of the electric medical bed adopting the control method of the present invention.

Detailed ways

The ninety-degree angle control method of the electric medical bed back legboard of the present invention comprises the following steps in turn: a. Take the highest point of the legboard 2, adjust the height of the backboard 1, so that the angle between the backboard 1 and the legboard 2 is ninety degrees Ten degrees, the single-chip microcomputer memorizes the stroke A value of the backboard push rod 4 in this state; b, take the highest point of the backboard 1, adjust the height of the leg board 2, so that the angle between the back board 1 and the leg board 2 is 90 degrees , the single-chip microcomputer memorizes the stroke B value of the leg push rod 5 in this state; c. According to the relationship between the current position of the back push rod 4 and the leg push rod 5 and the stroke A value and the stroke B value, judge the back board 1 and the leg board Whether the included angle of 2 is less than 90 degrees. Further, when the stroke of the backboard push rod 4 is greater than the stroke A value, when the leg board push rod 5 extends greater than the stroke B value, the leg board push rod 5 continues to extend, and the backboard push rod 4 returns to the stroke A value. Further, when the stroke of the leg board push rod 5 is greater than the stroke B value, when the back board push rod 4 extends greater than the stroke A value, the back board push rod 4 continues to extend, and the leg board push rod 5 returns to the stroke B value.

As shown in Figures 1 to 6, the manipulator of the electric medical bed using the control method of the present invention can use combination keys to realize two working modes: setting mode and operating mode, allowing users to conveniently switch between setting mode and operating mode. In the setting mode, the strokes of the backboard push rod 4 and the leg board push rod 5 are not limited to each other, so the reasonable backboard 1 and leg board 2 clips can be set according to the actual installation distance and structure of various electric medical beds. angle at ninety degrees. In the operation mode, since the setting mode sets the position where the angle between the back board 1 and the leg board 2 is 90 degrees, during operation, when the angle between the two is about to be less than 90 degrees, the electric medical bed will automatically relax. Expand. The angle between the backboard push rod 4 and the leg board push rod 5 of the electric medical bed is 90 degrees. Before the first setting, the system defaults to a stroke A value and a stroke B value, which can be changed in the program. Therefore, for an electric medical bed with a fixed stroke installation distance, the stroke A value and stroke B value can be pre-set in the program, saving the trouble of setting each bed in mass production and improving production efficiency.

For the limited number of buttons, use combination keys to realize the reset function, the switching function between the setting mode and the operating mode, and the function of setting the 4-stroke A value of the backboard push rod and the 5-stroke B value of the leg push rod. In order to reduce the possibility of the user entering the setting mode due to misoperation, priority is set for the combination keys, and different time delays are set for the reset button and the setting button. Enter the reset state, and continue to press the combination key for a few seconds before entering the setting mode to set the stroke of the back leg push rod. Enter the reset state, the buzzer beeps once as a reminder, enter the setting state, the buzzer beeps for a long time, you need to release the button, the buzzer stops beeping, as a reminder to enter the setting state.

In order to enable users to distinguish between the system operation mode and the setting mode, the setting mode is marked as follows: In the setting mode, when the backboard push rod 4 rises and falls, and the leg push rod 5 rises and falls, it will send out intermittent The beep sound reminds the user that the system is currently in the setting mode. The strokes of the backboard push rod 4 and the leg push rod 5 are not limited to each other, and the travel A values of the back board push rod 4 and the leg push rod 5 must be set correctly respectively. And stroke B value, the system can ensure that after entering the operation mode, the backboard 1 and leg board 2 of the electric medical bed are always kept at no less than 90 degrees during operation. When setting the stroke A value and stroke B value, press the set button, the buzzer will beep for a long time, indicating that the setting is in progress, release the button, the setting is completed, and the buzzer will stop beeping.

As shown in FIG. 2 , the function of the button 31 is to raise the backboard 1 , the function of the button 32 is to lower the backboard 1 , the function of the button 33 is to raise the leg board 2 , and the function of the button 34 is to lower the leg board 2 . When the electric medical bed is powered on, press and hold button 31 and button 32 at the same time, the backboard push rod 4 and leg board push rod 5 will drop to the bottom, continue to hold down button 31 and button 32 at the same time and after two seconds, the buzzer will sound With a beep, the reset is complete. After the reset function is completed, if you continue to press and hold the button 31 and the button 32 at the same time, after five seconds, the buzzer will sound for a long time, and the system will enter the setting mode.

After entering the setting mode, as shown in Figure 4, press the button 33 to raise the leg board 2 to the highest position, press the button 31 or button 32 to adjust the stroke of the backboard push rod 4 until the angle between the backboard 1 and the leg board 2 of the bed At ninety degrees, press the button 31 and the button 33 at the same time, the buzzer will sound for a long time, release the button, and the stroke A value of the push rod 4 on the backboard is set.

As shown in Figure 5, press the button 31 to raise the backboard 1 to the highest level, press the button 33 or button 34 to adjust the stroke of the leg board push rod 5 until the angle between the back board 1 and the leg board 2 of the bed is 90 degrees, and at the same time Press the button 32 and the button 34, the buzzer will sound for a long time, release the button, and the stroke B value of the leg push rod 5 is set.

After the setting is completed, press button 31 and button 32 at the same time, the buzzer will sound for a long time, release the button, exit the setting mode, and enter the operation mode. At this time, in the operation mode, press buttons 31 to 34 alone. The function of button 31 is to raise the backboard 1. When the stroke of the backboard push rod 4 is higher than the stroke A value, if the position of the leg push rod 5 is higher than When the stroke B value is reached, the backboard 1 can continue to rise, but at the same time, the leg board push rod 5 needs to drop to the stroke B value. The function of the button 32 is to lower the backboard 1; the function of the button 33 is to raise the leg board 2, and when the leg board push rod 5 rises to the stroke B value, if the position of the back board push rod 4 is higher than the stroke A value, the leg board push rod 5 can continue to rise, but simultaneously the backboard push rod 4 needs to descend to the stroke A value place.

The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications based on the present invention to achieve substantially the same technical effect are covered by the protection scope of the present invention.

Claims (1)

1. The ninety-degree control method for the angle of the back and leg of the electric medical bed is characterized in that: the switching between the reset mode, the setting mode and the operation mode is realized through the combined keys of the manipulator on the electric medical bed, and the combined keys include the reset button and the set button , and the reset button and the set button are set with different time delays, and the buzzer alarm prompts the current mode of the electric medical bed:  a. The electric medical bed is powered on and started. Long press the reset button to reset the electric medical bed and then switch to the setting mode. When entering the setting mode, the buzzer will beep as a reminder; b. In the setting mode: press the setting button to raise the leg board (2) to the highest point, take the highest point of the leg board (2), adjust the height of the back board (1), and make the back board (1) and the leg board The included angle of (2) is 90 degrees, press the set button and the reset button at the same time to complete the setting of the stroke A value of the backplane push rod (4), and the single-chip microcomputer memorizes the stroke of the backplane push rod (4) in this state A value; press the setting button to raise the backboard (2) to the highest point, take the highest point of the backboard (1), adjust the height of the leg board (2), so that the back board (1) and the leg board (2) The included angle is 90 degrees, press the set button and the reset button at the same time to complete the setting of the stroke B value of the leg push rod (5), and the single-chip microcomputer memorizes the stroke B value of the leg push rod (5) in this state; c. Press the reset button to switch the electric medical bed from the setting mode to the operation mode, and the buzzer will sound for a long time as a reminder. The relationship between the current position of the push rod (5) and the stroke A value and the stroke B value, judge whether the angle between the back board (1) and the leg board (2) is less than 90 degrees, and push When the stroke of the rod (4) is greater than the value of stroke A, when the extension of the leg board push rod (5) is greater than the value of stroke B, the leg board push rod (5) continues to extend, and the back board push rod ( 4) Return to the value of stroke A, when the stroke of the leg push rod (5) is greater than the value of stroke B, when the extension of the back push rod (4) is greater than the value of stroke A, the back push The rod (4) continues to extend, and the leg board push rod (5) returns to the value of stroke B. Therefore, when the angle between the back board and the leg board is about to be less than 90 degrees, the electric medical bed will automatically stretch out, so that the electric medical bed The back board (1) and the leg board (2) of the bed are always kept at not less than ninety degrees during operation; d. Press the reset button to switch the system from the operation mode to the reset mode. When entering the reset mode, the buzzer will beep as a reminder; e. Press the reset button to switch the system from the reset mode to the setting mode. When entering the setting mode, the buzzer will beep for a long time as a reminder.

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