Intelligent bed
By designing main control modules, command transceiver modules, motor control modules, etc. in the smart bed, the direction control of the wheel is solved, and the problem of difficult to achieve large or long-distance movement of the existing smart bed is improved, and the user experience and flexibility of the smart bed are improved.
Patent Information
- Application Number
- CN202421541365.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-07-02
AI Technical Summary
Existing smart beds are difficult to achieve large or long distance movement, and cannot meet the diverse needs of users or patients in terms of movement.
A smart bed is designed, including a main control module, a command transceiver module, a motor control module, a motor drive module, a power management module and an alarm module. Through the coordinated work of these modules, the direction of the wheel is controlled, allowing the smart bed to move forward, backward, left and right.
It realizes flexible control and convenient operation of smart beds, and can perform large or long-distance movements, improves user experience and meets diverse mobile needs.
Smart Images
Figure CN222982767U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of intelligent bed control, and particularly relates to an intelligent bed. Background Art
[0002] An intelligent bed is a bed with intelligent functions. It is an adjustable bed based on intelligent sensing technology and has the function of remote control of one or more functions. However, most of the existing intelligent beds directly control an intelligent bed for massage or pitch function adjustment through buttons or remote controls, which solves the problem of inconvenient movement of users or patients to a certain extent. But the above solutions belong to small-scale adjustment. In fact, there are still some users or patients who need large-scale or long-distance movement. Therefore, there is an urgent need in this field for an intelligent control bed that can move large distances and long distances to meet the various needs of users. Summary of the Utility Model
[0003] In view of the above problems, the utility model provides an intelligent bed, which can flexibly control an intelligent bed and is convenient to operate, so as to solve the problems raised in the above background art.
[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0005] The utility model provides an intelligent bed, which includes a main control module, an instruction transceiver module, a motor control module, a motor drive module, a power management module, an alarm module, a plurality of motors and a plurality of wheels adapted to the plurality of motors. The instruction transceiver module, the motor control module, the motor drive module, the power management module and the alarm module are all connected to the main control module. The motor control module is connected to the motor drive module. The power management module is used to provide a stable voltage for each module. The motor drive module is used to connect to the motor. The output shaft of the motor is fixedly connected to the central axis of the wheel;
[0006] The main control module receives the motor operation instruction of the instruction transceiver module and controls the motor control module to send the drive state information of the motor to the motor drive module. The motor control module adjusts the operation state of the motor according to the drive state information. The main control module receives the operation state and the drive state information and controls the alarm module to output the normal operation and alarm prompt information of the motor.
[0007] As a preference of the above technical scheme, the instruction transceiver module includes a button unit and a Bluetooth unit. The button unit and the Bluetooth unit are both connected to the main control module. The button unit is used to send the motor operation instruction to the main control module through buttons. The Bluetooth unit sends an instruction to control the motor operation to the main control module through wireless transmission.
[0008] Preferably, as the above technical solution, the main control module includes a chip U4 with the model number GD32F130C8T6, a reset unit, and an electrostatic protection unit. The reset unit and the electrostatic protection unit are both connected to the chip U4 and are used to provide electrostatic protection for the chip U4.
[0009] Preferably, as the above technical solution, the main control module further includes a program burning interface connected to the chip U4.
[0010] Preferably, as the above technical solution, the Bluetooth unit is connected to the main control module through a USART interface.
[0011] Preferably, as the above technical solution, the motor control module includes a driving chip, an input port and an output port provided on the driving chip. The input port is connected to the main control module, and the output port is connected to the motor driving module.
[0012] Preferably, as the above technical solution, the motor driving module includes a switching circuit and a connection terminal. One end of the switching circuit is connected to the motor control module, and the other end of the switching circuit is connected to the connection terminal.
[0013] Preferably, as the above technical solution, the power management module includes a first clock circuit, a chip U9, a second clock circuit, and a chip U8. One end of the first clock circuit and the second clock circuit is connected to the chip U9, and the other end of the second clock circuit is connected to the chip U8.
[0014] Preferably, as the above technical solution, the model number of the chip U9 is HR8401, and the model number of the chip U8 is ME6210A33PG.
[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0016] By providing a main control module, an instruction transceiver module, a motor control module, a motor driving module, a power management module, an alarm module, a plurality of motors, and a plurality of wheels adapted to the plurality of motors, the main control module receives the motor operation instruction of the instruction transceiver module and controls the motor control module to send the driving state information of the motor to the motor driving module. The motor control module adjusts the operation state of the motor according to the driving state information to realize the direction control of the wheels, so that the intelligent bed can move forward, backward, left and right. The main control module receives the operation state and driving state information and controls the alarm module to output the normal operation and alarm prompt information of the motor, monitors the operation state of the motor in real time, and flexibly adjusts the motor, further improving the use experience of the intelligent bed. Description of the Drawings
[0017] Figure 1 Block diagram of a smart bed proposed by the present utility model;
[0018] Figure 2 Circuit diagram of the main control module proposed by the present utility model;
[0019] Figure 3 Circuit diagram of the motor control module proposed by the present utility model;
[0020] Figure 4 Circuit diagram of the motor drive module proposed by the present utility model;
[0021] Figure 5 Circuit diagram of the power management module proposed by the present utility model;
[0022] Figure 6 Circuit diagram of the alarm module proposed by the present utility model;
[0023] Figure 7 Circuit diagram of the key unit proposed by the present utility model;
[0024] Figure 8 Circuit diagram of the Bluetooth unit proposed by the present utility model;
[0025] Figure 9 Circuit diagram of the program burning interface proposed by the present utility model.
[0026] Descriptions of the main component symbols are as follows:
[0027] 100 - Main control module; 101 - Reset unit; 102 - Electrostatic protection unit; 103 - Program burning interface; 110 - Instruction transceiver module; 111 - Key unit; 112 - Bluetooth unit; 120 - Motor control module; 130 - Motor drive module; 131 - Switch circuit; 132 - Connection terminal; 140 - Power management module; 150 - Alarm module. Detailed implementation manners
[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.
[0029] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the present utility model.
[0030] Referring to Figure 1 and Figure 2 , the present utility model provides an intelligent bed, which includes a main control module 100, a command transceiver module 110, a motor control module 120, a motor drive module 130, a power management module 140, an alarm module 150, a plurality of motors, and a plurality of wheels adapted to the plurality of motors. The command transceiver module 110, the motor control module 120, the motor drive module 130, the power management module 140, and the alarm module 150 are all connected to the main control module 100. The motor control module 120 is connected to the motor drive module 130. The power management module 140 is used to provide a stable voltage to each module. The motor drive module 130 is used to connect to the motor, and the output shaft of the motor is fixedly connected to the central axis of the wheel.
[0031] The main control module 100 receives the motor operation command of the command transceiver module 110 and controls the motor control module 120 to send the drive state information of the motor to the motor drive module 130. The motor control module 120 adjusts the operation state of the motor according to the drive state information. The main control module 100 receives the operation state and the drive state information and controls the alarm module 150 to output the normal operation state and alarm prompt information of the motor.
[0032] Specifically, an intelligent bed in this embodiment includes a traditional bed body structure, wherein the main shaft of the motor at the end is fixedly connected to the central axis of the wheel, and then the motor drives the wheel to rotate. In this embodiment, the motor control module 120, the motor drive module 130, the motors, and the wheels are all in four groups, which are arranged around the bed body to achieve coordinated control of steering in the front, rear, left, and right directions for driving (the principle refers to the Mecanum wheel drive scheme). This scheme has relatively less vibration during the control of movement and will not affect the users or patients on the bed.
[0033] Referring to Figure 3 , Figure 4 and Figure 5, in this embodiment, the instruction transceiver module 110 includes a key unit 111 and a Bluetooth unit 112. Both the key unit 111 and the Bluetooth unit 112 are connected to the main control module 100. The key unit 111 is used to send the motor operation instruction to the main control module 100 through a key, and the Bluetooth unit 112 sends an instruction to control the motor operation to the main control module 100 through wireless transmission. Here, it can be understood that the user controls the motor operation on-site through the Bluetooth connection control method, and then drives the rotation of the wheels to achieve the direction drive and transfer of the intelligent bed.
[0034] The main control module 100 includes a chip U4 of model GD32F130C8T6, a reset unit 101, and an electrostatic protection unit 102. Both the reset unit 101 and the electrostatic protection unit 102 are connected to the chip U4 and are used to provide electrostatic protection for the chip U4. The main control module 100 further includes a program burning interface 103 connected to the chip U4. The Bluetooth unit 112 is connected to the main control module 100 through a USART interface. The motor control module 120 includes a drive chip, an input port and an output port provided on the drive chip. The input port is connected to the main control module 100, and the output port is connected to the motor drive module 130. The motor drive module 130 includes a switch circuit 131 and a connection terminal 132. One end of the switch circuit 131 is connected to the motor control module 120, and the other end of the switch circuit 131 is connected to the connection terminal 132. The model of the chip U9 is HR8401, and the model of the chip U8 is ME6210A33PG.
[0035] Refer to Figure 6 , Figure 7 , Figure 8 and Figure 9, It should be noted that the pin NRT of chip U4 is connected to the reset unit 101. The electrostatic protection unit 102 includes four parallel TV diodes and capacitors, and the electrostatic protection unit 102 is connected to the pins PA8 and PA9 of chip U4. The pins STAT and PWRC of the Bluetooth unit 112 are connected to the pins PA14 and PA15 of chip U4, and the pins RXD and RTD of the Bluetooth unit 112 are connected to the pins PA2 and PA3 of the chip, enabling data transmission between the Bluetooth unit 112 and the main control module 100. The S1, S2, S3, and S4 of the button unit 111 are connected to PA5, PA4, PA3, and PA15 of chip U4, which can correspondingly cooperate to control the forward, backward, left, and right rotations of the wheels connected to the motor to achieve the front, back, left, and right steering movements of the intelligent bed. The power management module 120 includes a first clock circuit, chip U9, a second clock circuit, and chip U8. One end of the first clock circuit and the second clock circuit is connected to chip U9, and the other end of the second clock circuit is connected to chip U8. The first clock circuit includes parallel-connected TVS6, C38, C339, C40, and C37, and the second clock circuit includes C33, C34, C32, C36, and C35. The motor control module 120 includes circuits where four driver chips are located. The HIN terminals of the driver chips are connected to the pins PA10 and PA11 of chip U4. The motor drive module 130 includes four power switch tubes and a connection terminal 132. The program burning interface 103 is connected to the pins PA13 and PA14 of chip U4. The alarm module 150 is a buzzer, and the buzzer includes a triode, a diode, and a resistor.
[0036] During application, the execution process of the intelligent control bed includes: upon receiving instructions from buttons or Bluetooth, the main control module, i.e., the MCU, processes, analyzes, determines, and controls, controls the balanced speed of the motor rotation, controls the forward, backward, left, and right movements of the wheels, and controls the current output according to the conduction or cutoff of the power switch tubes Q1, Q2, Q3, or Q4 to control the operating state of the motor. It can be to adjust the height or position light of an intelligent bed. The MCU feeds back the motor speed and azimuth light to the alarm module, and a warning message will be generated when exceeding the threshold of the alarm module to improve the operating stability of the motor and reasonable adjustment.
[0037] It should be understood that by setting the main control module 100, the instruction transceiver module 110, the motor control module 120, the motor drive module 130, the power management module 140 and the alarm module 150, the main control module 100 receives the motor operation instruction of the instruction transceiver module 110 to control the motor control module 120 to send the drive state information of the motor to the motor drive module 130. The motor control module 120 adjusts the operation state of the motor according to the drive state information to achieve the direction control of the wheels, so that the intelligent bed can move forward, backward, left and right. The main control module 100 receives the operation state and drive state information to control the alarm module 150 to output the normal operation and alarm prompt information of the motor, monitors the operation state of the motor in real time and adjusts it flexibly, further improving the use experience of the intelligent bed.
[0038] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and should be covered by the protection scope of the present utility model.
Claims
1. A smart bed, characterized in that: It includes a main control module, an instruction transceiver module, a motor control module, a motor drive module, a power management module, an alarm module, a plurality of motors and a plurality of wheels adapted to the plurality of motors, wherein the instruction transceiver module, the motor control module, the motor drive module, the power management module and the alarm module are all connected to the main control module, the motor control module is connected to the motor drive module, the power management module is used to provide a stable voltage to each module, the motor drive module is used to connect the motor, and the output shaft of the motor is fixedly connected to the center shaft of the wheel; The main control module receives the motor operation instruction from the instruction transceiver module and controls the motor control module to send the driving status information of the motor to the motor drive module. The motor control module adjusts the operating status of the motor according to the driving status information. The main control module receives the operating status and the driving status information and controls the alarm module to output the normal operation and alarm prompt information of the motor.
2. The smart bed according to claim 1, characterized in that: The instruction transceiver module includes a key unit and a Bluetooth unit, both of which are connected to the main control module. The key unit is used to send the motor operation instruction to the main control module through a key, and the Bluetooth unit sends instructions to the main control module through wireless transmission to control the motor operation.
3. The smart bed according to claim 2, characterized in that: The main control module includes a chip U4 of model GD32F130C8T6, a reset unit and an electrostatic protection unit. The reset unit and the electrostatic protection unit are both connected to the chip U4 to provide electrostatic protection for the chip U4.
4. The intelligent bed according to claim 3, characterized in that: The main control module also includes a program burning interface connected to the chip U4.
5. The intelligent bed according to claim 2, characterized in that: The Bluetooth unit is connected to the main control module via a USART interface.
6. The intelligent bed according to claim 1, characterized in that: The motor control module includes a driving chip, an input port and an output port arranged on the driving chip, the input port is connected to the main control module, and the output port is connected to the motor driving module.
7. The intelligent bed according to claim 6, characterized in that: The motor driving module includes a switch circuit and a connection terminal. One end of the switch circuit is connected to the motor control module, and the other end of the switch circuit is connected to the connection terminal.
8. The intelligent bed according to claim 1, characterized in that: The power management module includes a first clock circuit, a chip U9, a second clock circuit and a chip U8. One end of the first clock circuit and the second clock circuit is connected to the chip U9, and the other end of the second clock circuit is connected to the chip U8.
9. The intelligent bed according to claim 8, characterized in that: The model of the chip U9 is HR8401, and the model of the chip U8 is ME6210A33PG.