CN105059351A - Safe intelligent baby carriage capable of preventing baby from being stolen - Google Patents

Abstract

A safe smart baby stroller for preventing babies from being taken away, characterized in that the safe smart baby stroller for preventing babies from being carried away includes: a controller module, a user fingerprint module, a posture detection module, a vehicle body tipping prevention module, and a driving module , brake module, speed detection module, voice control module, voice playback module, power supply module, baby detection module, stroller body. The controller module is respectively connected with the user fingerprint module, attitude detection module, vehicle body tipping prevention module, driving module, braking module, speed detection module, voice control module, voice playback module, power supply module, and baby detection module. This safe and intelligent baby stroller that prevents baby from being taken away can prevent unauthorized users from taking the baby in the stroller, detect the posture of the stroller, actively prevent the stroller body from tipping over, control the speed of the stroller and limit the speed reasonably, and automatically control the baby stroller. Automatically ensure that the stroller does not slip, and detect whether there is a baby in the stroller.

Description

A kind of safe intelligent baby car that prevents taking away the baby

technical field

The invention belongs to the technical field of smart baby carriages, and relates to a smart baby carriage, in particular to a safe smart baby carriage that prevents babies from being picked up.

Background technique

Along with the development of economy and technology, people pay more and more attention to baby's nursing technology, and baby stroller has become one of the essential baby-care tools. However, today's baby carriages have certain defects in safety, which have caused some safety accidents.

At present, the baby carriages in use mainly have the following safety defects: the baby carriage does not have the function of preventing the baby from being stolen; the baby carriage does not have the ability to actively prevent the baby from falling over; , the stroller is prone to slipping; the stroller does not have automatic braking capability; the stroller does not have the function of detecting babies. Therefore, there is a need for a safe intelligent baby carriage that prevents the baby from being carried away to overcome the above-mentioned defects in safety and to ensure the safety of the baby.

Contents of the invention

Aiming at the problem that the prior art cannot solve the above-mentioned baby carriage, the present invention provides a safe smart baby carriage that prevents the baby from being taken away. The safe smart baby stroller that prevents the baby from being taken away can prevent unauthorized users from taking the baby in the stroller; it can detect its own posture in real time and actively prevent the stroller from overturning; it can control the speed of the stroller and limit the speed reasonably; Automatic braking ensures that the stroller does not slip; it can detect whether there is a baby in the stroller.

In order to accomplish the above object, the present invention adopts the following technical solutions.

A safe intelligent baby stroller for preventing babies from being taken away, characterized in that the safe intelligent baby stroller for preventing babies from being carried away includes: a controller module, a user fingerprint module, a posture detection module, a vehicle body tipping prevention module, and a driving module , brake module, speed detection module, voice control module, voice playback module, power supply module, baby detection module, stroller body. The controller module is respectively connected with the user fingerprint module, attitude detection module, vehicle body tipping prevention module, driving module, braking module, speed detection module, voice control module, voice playback module, power supply module, and baby detection module. The power supply module is respectively connected with the controller module, the user fingerprint module, the attitude detection module, the vehicle body overturn prevention module, the driving module, the brake module, the speed detection module, the voice control module, the voice playback module, and the baby detection module.

The controller module is respectively connected with the user fingerprint module, attitude detection module, vehicle body tipping prevention module, driving module, braking module, speed detection module, voice control module, voice playback module, power supply module, and baby detection module, Receive and process the information and data transmitted by the user fingerprint module, attitude detection module, car body tipping prevention module, driving module, braking module, speed detection module, voice control module, voice playback module, power supply module, and baby detection module, and Transmit command information and data to the user fingerprint module, attitude detection module, vehicle body tipping prevention module, driving module, braking module, speed detection module, voice control module, voice playback module, power supply module, and baby detection module, and control each module Realize the corresponding function.

The user fingerprint module is connected with the controller module, and is used to realize user authority identification for users who use the stroller, and users who meet the pre-stored authority are allowed to take away the baby in the stroller; users without authority are prohibited from The baby in the stroller is taken away. The user fingerprint module includes a fingerprint reader, a fingerprint recognition software, a fingerprint storage card, and an independent button.

The posture detection module is connected with the controller module, and is used to detect the posture of the baby carriage body in real time, and feed back the current posture of the baby carriage body to the controller module. The attitude detection module includes an inclination sensor.

The vehicle body tipping prevention module is connected with the controller module, receives the information sent by the controller module, supports the baby carriage body before the baby carriage is overturned, and automatically straightens the baby carriage to make it return to normal placement, preventing the baby carriage from falling over. body overturning. The vehicle body tipping prevention module includes a multi-degree-of-freedom foldable mechanical arm.

The driving module realizes the forward and backward movement and left and right steering of the baby carriage. The driving module includes: a rotary encoder, a motor drive circuit, an independent driving wheel, a buffer universal driven wheel, a reducer, and a DC servo motor.

The braking module realizes automatic braking when the stroller is in a stopped state. The braking module includes an electromagnetic holding brake.

The speed detection module realizes real-time detection of the moving speed and moving direction of the baby carriage, and feeds back the moving speed and moving direction information of the baby carriage to the controller module. The speed detection module includes a speed sensor.

The voice control module realizes controlling the functions of the baby carriage through voice, and completes the control of the baby carriage in a long-distance non-contact manner. The voice control module includes: a voice recognition chip and a miniature microphone.

The voice playing module realizes playing and alarming the current state and function of the stroller through voice. The voice playback module includes: a voice playback chip and a loudspeaker.

The power supply module realizes power supply to the whole system of the stroller, power conversion and voltage transformation, and detection of the remaining power of the energy storage battery. The power supply module includes: a power charger, a voltage converter, a power detection controller, and an energy storage battery.

The baby detection module realizes the real-time detection of the baby in the stroller. When the baby is picked up without user authorization identification, the stroller will send out an alarm to remind the baby to be picked up, so as to prevent the baby from being stolen. The baby detection module includes: pressure sensor, infrared sensor.

The baby carriage body is the body frame of the baby carriage, which has a sunshade umbrella, which can be rotated and moved to change the sunshade angle; and has an armrest handle.

The beneficial effects of the present invention are: a safe smart baby stroller for preventing baby from being taken away by the present invention, which can identify the user, prevent the unauthorized user from taking the baby in the stroller, can detect the posture of the stroller itself in real time, and actively prevent the baby stroller body from Overturning, control the speed of the baby carriage and limit the speed reasonably, realize the automatic braking of the baby carriage to ensure that the baby carriage does not slip, and can detect whether there is a baby in the baby carriage.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure and functions of the intelligent stroller of the present invention.

Fig. 2 is a schematic diagram of the side structure of the intelligent stroller of the present invention.

In the figure 1. Controller module, 2. User fingerprint module, 3. Attitude detection module, 4. Vehicle body tipping prevention module, 5. Driving module, 6. Braking module, 7. Speed detection module, 8. Voice control Module, 9. Voice playback module, 10. Power supply module, 11. Baby detection module, 21. Sunshade, 22. Armrest handle, 23. Fingerprint reader, 24. Miniature microphone, 25. Loudspeaker, 26, 3 degrees of freedom Foldable mechanical arm, 27, independent driving wheel, 28, universal driven wheel, 29, acquisition key, 30, verification key, 31, baby carriage body.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments, so as to specifically illustrate the technical solution of the present invention.

As shown in Fig. 1 and Fig. 2, the present invention is an anti-carrying baby safety intelligent baby stroller, which is characterized in that the anti-carrying baby safety intelligent baby car includes: a controller module 1, a user fingerprint module 2, Attitude detection module 3, car body tipping prevention module 4, driving module 5, braking module 6, speed detection module 7, voice control module 8, voice playback module 9, power supply module 10, baby detection module 11, baby carriage body 31. The controller module 1 is respectively connected with the user fingerprint module 2, the posture detection module 3, the vehicle body overturn prevention module 4, the driving module 5, the braking module 6, the speed detection module 7, the voice control module 8, the voice playback module 9, The power supply module 10 and the baby detection module 11 are connected. The power supply module 10 is respectively connected with the controller module 1, the user fingerprint module 2, the attitude detection module 3, the vehicle body overturn prevention module 4, the driving module 5, the braking module 6, the speed detection module 7, the voice control module 8, the voice The play module 9 and the baby detection module 11 are connected.

Described controller module 1 adopts MSP430 single-chip microcomputer processor as the processor of data processing and control.

Described user fingerprint module 2 adopts fingerprint reader 23, fingerprint identification software, fingerprint storage card, independent button to be connected with MSP430 single-chip processor in controller module 1, carries out data acquisition to people's fingerprint by fingerprint reader 23, passes fingerprint The identification software analyzes and extracts the fingerprint feature data of the person, and stores the acquired fingerprint information data through the fingerprint memory card.

The posture detection module 3 adopts a biaxial inclination sensor installed on the bottom of the baby carriage body 31 to detect the front, rear and left and right inclination angles of the baby carriage body to complete the detection of the posture of the baby carriage body itself.

The vehicle body tipping prevention module 4 is controlled by 8 groups of 3 degrees of freedom foldable mechanical arms 26 to support the baby carriage body 31 before the baby carriage is overturned, automatically righting the baby carriage to restore it to normal placement, and preventing the baby carriage from falling over. The overturning of the car body 31; 8 groups of 3 degrees of freedom foldable mechanical arms 26 are respectively installed on the sides around the baby carriage body 31, and 2 groups of 3 degrees of freedom foldable mechanical arms 26 are installed on each side.

The driving module 5 uses 2 motor drive circuits, 2 reducers, 2 DC servo motors, 2 rotary encoders, 2 independent driving wheels, and 2 buffer universal driven wheels. The motor drive circuit is connected and controlled by the controller module 1; each reducer is connected with each driving wheel; each DC servo motor is connected with a reducer, a rotary encoder, and a motor drive circuit; 2 independent driving wheels 27 are used as The rear wheel of the baby carriage realizes the steering function of the baby carriage through the different speeds of the two independent driving wheels, and realizes the forward and backward movement of the baby carriage at the same speed; 2 buffer universal driven wheels 28 are used as the front wheels of the baby carriage to cooperate Two independent driving wheels complete forward, backward and steering, forming two sets of mobile power devices.

The brake module 6 installs an electromagnetic brake at the tail of the DC servo motor of the driving module 5. When the DC servo motor rotates, the electromagnetic brake is energized and engaged, and the motor does not brake; when the DC servo motor stops, the electromagnetic brake breaks. Electricity, the lock brake brakes the motor under the action of the spring force to realize the braking of the baby carriage.

The speed detection module 7 adopts two speed sensors installed on the inner sides of two independent driving wheels 27 of the stroller to detect the speed thereof, so as to realize the real-time detection of the moving speed and the moving direction of the baby carriage.

The voice control module 8 adopts a voice recognition chip and a miniature microphone 24 to form a voice recognition device, and realizes receiving voice commands to control the functions of the stroller.

The voice playback module 9 adopts a voice playback chip and a loudspeaker 25 to realize voice playback and voice alarm to the current state and function of the baby carriage.

The energy storage battery in the power supply module 10 is selected from a high-efficiency lithium-ion battery pack. When the lithium-ion battery pack is low in power, the power detection controller can detect that the battery pack is low in power, and the stroller plays a voice prompt through the voice playback module 9 to prompt the battery pack to be low in power, reminding the user to charge the lithium-ion battery pack in time; the user charges the battery pack through the power supply The charger plug is connected to the mains for charging. After the charging is over, the power detection controller detects that the lithium-ion battery pack has sufficient power and stops charging the lithium-ion battery pack.

Described detection baby module 11 adopts pressure sensor to be installed on the bottom of baby's area in baby carriage, can detect the gravity of baby; Adopt infrared sensor to be installed on the side of baby's area in baby carriage, can detect baby's body temperature; Pressure sensor and The infrared sensor is connected to the MSP430 single-chip processor in the controller module 1 to realize the detection of the baby's body weight and body temperature in the stroller, and the detection information is fed back to the MSP430 single-chip processor in the controller module 1 to complete the detection of whether there is a baby in the stroller . When the pressure sensor detects gravity and the infrared sensor detects the temperature of the human body, the baby is in the stroller; when the pressure sensor cannot detect gravity or the infrared sensor cannot detect the temperature of the human body, the baby is not in the stroller.

The working principle of a safe intelligent stroller that prevents babies from being taken away is as follows: when the stroller starts to work, the MSP430 single-chip processor in the controller module 1 processes and controls the data of each module. When the user uses the stroller for the first time, Users need to enter the fingerprint information of administrators and other users as pre-storage authority users. First, input the administrator's fingerprint information, after the user presses the collection key 29, the voice playback module 9 voice prompts the administrator to scan the fingerprint information, and the administrator puts the fingertip fingerprint position on the fingerprint recognizer 23, when the voice playback module 9 voice prompts When the entry is successful, the administrator's fingerprint information is collected by the fingerprint reader 23. After the fingerprint identification software analyzes and extracts the fingerprint feature data, the fingerprint storage card stores the acquired administrator's fingerprint information data, and the administrator's fingerprint information is entered. . After the administrator presses the verification key 30, the voice playback module 9 voice prompts the user to scan the fingerprint information, and the administrator puts the fingertip fingerprint position on the fingerprint reader 23. After the user fingerprint module 2 successfully identifies the administrator, the voice playback module 9 The voice prompts the user to use the stroller. After the administrator presses the collection key 29, the voice playback module 9 voice prompts the user to input fingerprint information, and another user puts the fingertip fingerprint position on the fingerprint reader 23, and enters the fingerprint according to the above-mentioned administrator. The information method records the fingerprint information of other users, and the administrator and user fingerprint information data stored in the fingerprint storage card are used as pre-stored authority users.

When the administrator and the user use the stroller, after pressing the verification key 30, after the voice play module 9 voice prompts to collect the fingerprint information, the user puts the position of the fingertip fingerprint on the fingerprint recognizer 23, and the MSP430 single-chip microcomputer in the controller module 1 processes the fingerprint information. The device controls the user fingerprint module 2 to collect and identify the fingerprint information and compare it with the pre-stored authority user. If the user authority identification is successful, the voice playback module 9 voice prompts the user to use the stroller, and the user can normally operate the stroller and pick up the baby. ; If the non-user cannot identify the authority, the voice playback module 9 voice prompts prohibit the use, and the baby carriage cannot be operated and the baby can be picked up.

When the non-user cannot recognize the authority to pick up the baby, the baby detection module 11 feeds back the information that there is no baby in the stroller to the MSP430 single-chip processor in the controller module 1, and the MSP430 single-chip processor in the stroller controller module 1 controls the voice playback Loudspeaker 25 of module 9 plays voice prompting baby and is carried away, and makes user find and stop in time, prevents baby from being stolen.

The MSP430 single-chip processor in the controller module 1 processes the posture data of the baby carriage body 31 fed back by the biaxial inclination sensor in the posture detection module 3. When it is detected that the tilt angle of the baby carriage body 31 is close to the angle value that will fall At this time, the MSP430 single-chip processor in the controller module 1 controls the 2 groups of 3 degrees of freedom foldable mechanical arms 26 on the side of the body of the baby carriage to overturn the module 4 to move sideways and expand to support the baby carriage. The baby carriage continues to overturn, and the foldable mechanical arms 26 of 2 groups of 3 degrees of freedom are controlled to straighten and the baby carriage body is righted to make it return to normal placement.

The user issues a forward voice command to the stroller, and the voice control module 8 receives the user's voice information, recognizes and processes the voice command and feeds it back to the controller module 1, and the controller module 1 controls the two DC servo motors in the driving module 5 Rotate forward at the same speed to complete the forward movement of the baby carriage; the user sends a backward voice command to the baby carriage, and the voice control module 8 receives the user's voice information, recognizes and processes the voice command and feeds it back to the controller module 1 to control The device module 1 controls the two DC servo motors in the driving module 5 to reverse at the same speed to complete the backward driving of the baby carriage; the user sends a voice command to the baby carriage to turn left or turn right, and the voice control module 8 receives the voice information of the user, The voice command is recognized and processed and fed back to the controller module 1. The controller module 1 controls the two DC servo motors in the driving module 5 to rotate at different speeds to complete the left or right steering of the stroller; the left DC servo motor Turn right when the rotational speed is greater than the rotational speed of the right DC servo motor, and turn left when the rotational speed of the right DC servo motor is greater than the rotational speed of the left DC servo motor; Voice information, the voice command is recognized and processed and fed back to the controller module 1, the controller module 1 controls the two DC servo motors in the driving module 5 to stop rotating, and the braking module 6 passes through the DC servo motors in the driving module 5. An electromagnetic holding brake is installed at the tail, and when the DC servo motor rotates, the electromagnetic holding brake is energized and closed, and the motor does not brake; when the DC servo motor stops, the electromagnetic holding brake is powered off, and the holding brake brakes the motor under the action of the spring force, realizing the safety of the baby. car brakes.

The user sends a voice command to the stroller for fast driving or slow driving, and the voice control module 8 receives the voice information of the user, recognizes and processes the command voice and feeds it back to the controller module 1, and the controller module 1 controls the driving module 5 2 DC servo motors for speed adjustment to make the stroller go fast or slow.

The speed detection module 7 adopts 2 speed sensors to be installed on the inside of 2 independent driving wheels 27 of the baby carriage respectively, so as to realize the real-time detection of the moving speed and the moving direction of the baby carriage. When the speed of the baby carriage was fast, 2 speed sensors in the speed detection module 7 detected 2 independent driving wheels 27. The speed was fast, and the speaker 25 of the controller module 1 controlled the voice playback module 9 to play the voice prompt current speed; When the speed of the baby carriage is too fast and exceeds the speed limit, which affects safety, the controller module 1 controls the speaker 25 of the voice playing module 9 to play a voice prompt that the current speed is too fast, and the automatic control driving module 5 reduces the rotational speed of 2 DC servo motors to make the baby The speed of the car is reduced to a safe speed; when the two speed sensors in the speed detection module 7 detect that the speeds of the two independent driving wheels 27 are different, when it is recognized that the speed of the left independent driving wheel is greater than the speed of the right independent driving wheel, the baby carriage It is turning right; when the speed of the right independent driving wheel is greater than the speed of the left independent driving wheel, the stroller is turning left.

Through the above working process of the embodiment of the safe intelligent baby carriage that prevents the baby from being taken away by the present invention, the identification of the user is completed, the unauthorized user is prevented from operating the baby carriage, the posture of the baby carriage is detected in real time, the body of the baby carriage is actively prevented from overturning, and the speed of the baby carriage is greatly affected. Carry out control and reasonable speed limit, realize the automatic braking of the baby carriage to ensure that the baby carriage does not slip, and realize the detection of whether there is a baby in the baby carriage.

Claims (1)

1. A safe smart stroller for preventing babies from being taken away, characterized in that, the safe smart stroller for preventing babies from being taken away comprises: a controller module, a user fingerprint module, a posture detection module, a module for preventing the car body from tipping over, Driving module, brake module, speed detection module, voice control module, voice playback module, power supply module, baby detection module, stroller body; the controller module is respectively connected with the user fingerprint module, attitude detection module, and prevents the car body from turning over. Inversion module, driving module, brake module, speed detection module, voice control module, voice playback module, power supply module, and baby detection module are connected; Body overturning module, driving module, braking module, speed detection module, voice control module, voice playback module, and baby detection module; The user fingerprint module is connected with the controller module, and is used to realize user authority identification for users who use the stroller, and users who meet the pre-stored authority are allowed to take away the baby in the stroller; users without authority are prohibited from The baby in the stroller is taken away; the user fingerprint module includes a fingerprint reader, fingerprint recognition software, fingerprint memory card, and independent buttons; The baby detection module realizes real-time detection of the baby in the stroller. When the baby is picked up without user authority identification, the baby stroller will send an alarm to prompt the baby to be picked up to prevent the baby from being stolen; the baby detection module includes: Pressure sensor, infrared sensor.