CN209916436U

CN209916436U - Intelligent hospital bed

Info

Publication number: CN209916436U
Application number: CN201920224109.1U
Authority: CN
Inventors: 周文军; 伍贤洪
Original assignee: Nanning College for Vocational Technology
Current assignee: Nanning College for Vocational Technology
Priority date: 2019-02-22
Filing date: 2019-02-22
Publication date: 2020-01-10
Anticipated expiration: 2029-02-22

Abstract

The utility model discloses an intelligent sickbed, including the bed body, head of a bed elevator motor, tailstock elevator motor and automatically controlled subassembly, automatically controlled subassembly wherein includes speech recognition module, microphone, single chip microcomputer control board, motor drive board, head of a bed acceleration sensor and tailstock acceleration sensor. The utility model discloses an intelligent hospital bed adopts the voice interaction mode to realize the human-computer interaction, has thoroughly broken away from traditional electric hospital bed's button control mode, provides a brand-new convenient control mode for the inconvenient patient of trick. And the inclination angles of the bed head and the bed tail are accurately measured by adopting the bed head acceleration sensor and the bed tail acceleration sensor, so that the error of the rotation angle of the sickbed can be controlled within the range of plus or minus 0.2 degree.

Description

Intelligent hospital bed

Technical Field

The embodiment of the utility model relates to a bedding particularly, relates to an intelligent hospital bed.

Background

The sickbed is a bed for patients or severely disabled people to recover at home or to be used in hospitalization and rest, has multiple nursing functions, and is convenient for the patients to have a rest, eat and move. The sickbeds include common sickbeds and multifunctional back-lifting sickbeds, and the multifunctional back-lifting sickbeds are used more at present. The multifunctional back-lifting sickbed has multiple functions, such as: the patient can be helped to sit up and turn over, so that the sitting up position and angle of the patient can be adjusted according to the comfort level of the patient; the knee bending of the patient can be helped, so that the leg part is always in a self-comfortable posture; can be convenient for the patient to eat and read, and the patient can keep a more comfortable posture when having a meal and reading on the sickbed.

With the development of science and technology, an electric intelligent control function is added into a multifunctional back-rising sickbed, and control is realized by means of buttons and a panel, so that the intelligent sickbed greatly improves the use convenience, but has a problem that the operability of the intelligent sickbed is greatly limited when the hands of a patient are inconvenient to move, and therefore, the development of the intelligent sickbed based on voice interaction is particularly necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the above-mentioned defect among the prior art, provide an intelligent sick bed based on voice interaction.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: an intelligent sickbed comprises a bed body, a bed head lifting motor, a bed tail lifting motor and an electric control assembly, wherein the electric control assembly comprises a voice recognition module, a microphone, a single chip microcomputer control panel, a motor drive plate, a bed head acceleration sensor and a bed tail acceleration sensor; the microphone is in data connection with the voice recognition module and used for reading a user voice signal and sending the user voice signal to the voice recognition module; the voice recognition module is also in data connection with the singlechip control board and is used for modulating a user voice signal and sending the user voice signal to the singlechip control board; the single chip microcomputer control board controls the bed head lifting motor and the bed tail lifting motor through the motor drive board; the bedside acceleration sensor is arranged on the bedside, is in data connection with the singlechip control board, and is used for detecting the lifting angle of the bedside and sending the angle value to the singlechip control board; the bed tail acceleration sensor is arranged at the bed tail, is in data connection with the single chip microcomputer control board and is used for detecting the lifting angle of the bed tail and sending the angle value to the single chip microcomputer control board.

Furthermore, the utility model discloses still provide following subsidiary technical scheme:

the electronic control assembly further comprises a loudspeaker, and the loudspeaker is in data connection with the voice recognition module and used for outputting prompt voice.

The electric control assembly further comprises a serial port-to-WIFI module, a WIFI transmitter and a monitoring server, the serial port-to-WIFI module is in data connection with the single chip microcomputer control panel and is in wireless signal connection with the WIFI transmitter, and the WIFI transmitter is in wireless signal connection with the monitoring server.

The serial port-to-WIFI module adopts a TLN13UA06 module.

The model of the singlechip control board is STC15W 204S.

The motor drive board is model number L298N module.

The model of the bed head acceleration sensor is an ADXL345 type triaxial acceleration sensor; the model of the bed tail acceleration sensor is an ADXL345 type triaxial acceleration sensor.

The model of the voice recognition module is an LM567 type universal phase-locked loop circuit tone decoder.

Compared with the prior art, the utility model has the advantages that: the voice interaction mode is adopted to realize man-machine interaction, the traditional key control mode of the electric sickbed is thoroughly eliminated, and a brand-new convenient control mode is provided for patients with inconvenience in hands and feet. And the inclination angles of the bed head and the bed tail are accurately measured by adopting the bed head acceleration sensor and the bed tail acceleration sensor, so that the error of the rotation angle of the sickbed can be controlled within the range of plus or minus 0.2 degree.

Drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention and are not limiting to the present invention.

Fig. 1 is a block diagram of an electric control assembly of an intelligent hospital bed according to a preferred embodiment of the present invention.

Fig. 2 is a schematic circuit diagram of the electric control assembly of the intelligent hospital bed according to the preferred embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the following detailed description of the present invention, taken in conjunction with the accompanying drawings and the detailed description, is given in a non-limiting manner.

The sickbed of the embodiment mainly comprises a sickbed body, a bedside lifting motor 11, a bed tail lifting motor 12 and an electric control assembly. The bed body is syllogic structure, and head of a bed, bed centre and tailstock promptly, and head of a bed elevator motor is installed in the head of a bed position for drive head of a bed goes up and down, and tailstock elevator motor is installed in the tailstock position, is used for driving tailstock to go up and down. The electric control assembly is electrically connected with the bed head lifting motor and the bed tail lifting motor respectively to control the rotation direction and the rotation angle of the bed head lifting motor and the bed tail lifting motor, so that the angle adjustment of the bed head and the bed tail is realized.

Referring to fig. 1 and 2, the electric control assembly mainly comprises a microphone 1, a voice recognition module 2, a single chip microcomputer control board 3, a motor drive board 4, a bed head acceleration sensor 5 and a bed tail acceleration sensor 6.

The microphone 1 is in data connection with the voice recognition module 2, the microphone 1 is mainly used for capturing a user voice signal, and sending the voice signal to the voice recognition module 2 after amplifying the power of the voice signal, and the effective user voice signal comprises: up, down, and angle values. The voice recognition module 2 is connected with the singlechip control board 3 in a data mode, in the embodiment, the model of the voice recognition module 2 is an LM567 type general phase-locked loop circuit tone decoder, voice signals captured and amplified by the sound transmitter 1 enter the voice recognition module and then are modulated and decoded to be alternating voltage signals, and then the alternating voltage signals are sent to the singlechip control board 3 through a serial port to be processed.

The model of the singlechip control board 3 is STC15W204S, and the model of the motor drive board 4 is L298N module. In fig. 2, a 24V power supply supplies power for the bed head lifting motor and the bed tail lifting motor, and a 5V power supply supplies power for the whole electric control assembly. The IN1-IN4 ports of the motor driving board 4 are respectively IN data connection with the P1.2-P1.5 ports of the single chip microcomputer control board 3, wherein the IN1 port and the IN2 port are control information input ports of the bed head lifting motor, and the IN3 port and the IN4 port are control information input ports of the bed tail lifting motor. The singlechip control board 3 receives the alternating voltage signal sent by the voice recognition module 2 and outputs a motor control signal to the motor drive board 4 according to an instruction of the alternating voltage signal, the motor control signal comprises a speed signal and a direction signal, and the motor drive board 4 controls the bed head lifting motor or the bed tail lifting motor to start according to the motor control signal so as to complete the lifting of the bed head or the bed tail.

The bedside acceleration sensor 5 is an ADXL345 type triaxial acceleration sensor, is arranged at the position of the bedside, moves synchronously with the bedside and can measure the included angle between the bedside and the horizontal plane in real time. Similarly, the bed tail acceleration sensor 6 is an ADXL345 type triaxial acceleration sensor, which is installed at the bed tail position, moves synchronously with the bed tail, and can measure the included angle between the bed tail and the horizontal plane in real time. The bed head acceleration sensor 5 and the bed tail acceleration sensor 6 are the same I2C interface with the single chip microcomputer control panel 3 interface, and the two sensors are identified by setting different addresses of the two sensors in the single chip microcomputer control panel 3. Through the filtering processing of the singlechip control board 3, the precision of the measuring angles of the bed head acceleration sensor 5 and the bed tail acceleration sensor 6 can be controlled within plus or minus 0.2 degrees. The singlechip control board 3 compares the angle value fed back by the two sensors with the angle value instructed by the user, and controls the motor to stop working once the angle values are matched.

For improving user's convenience, automatically controlled subassembly can also feed back sick bed real-time status through image display and voice broadcast's mode, consequently, automatically controlled subassembly still includes serial ports commentaries on classics WIFI module 7, WIFI transmitter 8, monitoring server 9 and speaker 10.

Serial port to WIFI module 7 carries out data connection, is connected with 8 wireless signal of WIFI transmitter with singlechip control panel 3 through serial ports 2, and WIFI transmitter 8 is connected with 9 wireless signal of monitoring server, and monitoring server 9 has the display. Serial ports change WIFI module 7 is used for accepting sick bed real-time status, voice module state, sensor state information such as that singlechip control panel 3 sent to be connected to the monitoring server 9 in ward through WIFI transmitter 8, and monitoring server 9 receives the information that WIFI transmitter 8 sent, and shows through its self display.

Speaker 10 and speech recognition module 2, singlechip control panel 3 sends suggestion voice information for speech recognition module 2 through the serial ports, and speech recognition module 2 carries out voice broadcast through speaker 10 after decoding the information modulation.

To sum up, the intelligent hospital bed of this embodiment adopts the voice interaction mode to realize man-machine interaction, has thoroughly broken away from traditional electric hospital bed's button control mode, provides a brand-new convenient control mode for the inconvenient patient of trick, owing to adopt the modular speech recognition chip, the design is compact, speech recognition's excellent in use effect moreover. The intelligent sickbed of the embodiment can accurately measure the inclination angle of the bed plate by adopting the triaxial acceleration sensor, and can control the rotation angle error of the sickbed within the range of plus or minus 0.2 degrees. The intelligent hospital bed of this embodiment can carry out seamless upgrading on the basis of traditional electric hospital bed, practices thrift the cost.

It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides an intelligent sickbed, includes the bed body, head of a bed elevator motor and tailstock elevator motor, its characterized in that: the electric control assembly comprises a voice recognition module, a microphone, a single chip microcomputer control board, a motor drive board, a bed head acceleration sensor and a bed tail acceleration sensor; wherein the content of the first and second substances,

the microphone is in data connection with the voice recognition module and used for reading a user voice signal and sending the user voice signal to the voice recognition module;

the voice recognition module is also in data connection with the singlechip control board and is used for modulating a user voice signal and sending the user voice signal to the singlechip control board;

the single chip microcomputer control board controls the bed head lifting motor and the bed tail lifting motor through the motor drive board;

the bedside acceleration sensor is arranged on the bedside, is in data connection with the singlechip control board, and is used for detecting the lifting angle of the bedside and sending the angle value to the singlechip control board;

the bed tail acceleration sensor is arranged at the bed tail, is in data connection with the single chip microcomputer control board and is used for detecting the lifting angle of the bed tail and sending the angle value to the single chip microcomputer control board.

2. The smart hospital bed according to claim 1, wherein: the electronic control assembly further comprises a loudspeaker, and the loudspeaker is in data connection with the voice recognition module and used for outputting prompt voice.

3. The smart hospital bed according to claim 1, wherein: the electronic control assembly further comprises a serial port-to-WIFI module, a WIFI transmitter and a monitoring server, the serial port-to-WIFI module is in data connection with the single chip microcomputer control panel and is in wireless signal connection with the WIFI transmitter, and the WIFI transmitter is in wireless signal connection with the monitoring server.

4. The smart hospital bed according to claim 3, wherein: the serial port-to-WIFI module adopts a TLN13UA06 module.

5. The smart hospital bed according to claim 1, wherein: the model of the single chip microcomputer control board is STC15W 204S.

6. The smart hospital bed according to claim 1, wherein: the model of the motor driving board is an L298N module.

7. The smart hospital bed according to claim 1, wherein: the model of the bedside acceleration sensor is an ADXL345 type triaxial acceleration sensor; the model of the bed tail acceleration sensor is an ADXL345 type triaxial acceleration sensor.

8. The smart hospital bed according to claim 1, wherein: the model of the voice recognition module is an LM567 type universal phase-locked loop circuit tone decoder.