阅读说明：本技术 一种婴儿车用物联网智能控制外接一体式驱动装置 (External integral type drive arrangement of thing networking intelligent control for perambulator ) 是由 张小亮 孙益博 方勇刚 尤鹏鹏 于 2021-02-02 设计创作，主要内容包括：本发明提供了一种婴儿车用物联网智能控制外接一体式驱动装置,属于婴儿车智能辅助技术领域,用于解决婴儿车缺少适配的外挂智能驱动设备,不能智能互联操控的问题。包括控制驱动盒、电控盒和避撞设备,控制驱动盒设置在婴儿车体下端后侧,控制驱动盒包括控制驱动盒体,控制驱动盒体内部设有陀螺仪、磁力计、直流锂电池、蓝牙模块、电机驱动模块、控制主板和对称的两个驱动电机,驱动电机的输出轴上均可调节地固定有驱动轮,电控盒设置在婴儿车体的后推杆上,避撞设备设置在婴儿车体上；本发明可快捷地安装在不同造型、尺寸的婴儿车上,使婴儿车具有不同的智能遛娃模式,通过蓝牙模块与外部移动设备连接,可远距离操控婴儿车动作。(The invention provides an Internet of things intelligent control external integral driving device for a baby carriage, belongs to the technical field of intelligent auxiliary of baby carriages, and is used for solving the problem that the baby carriage lacks adaptive external intelligent driving equipment and cannot be intelligently interconnected and controlled. The control driving box is arranged on the rear side of the lower end of the baby carriage body and comprises a control driving box body, a magnetometer, a direct-current lithium battery, a Bluetooth module, a motor driving module, a control mainboard and two symmetrical driving motors are arranged in the control driving box body, driving wheels are adjustably fixed on output shafts of the driving motors, the electric control box is arranged on a rear push rod of the baby carriage body, and the collision avoidance equipment is arranged on the baby carriage body; the invention can be quickly installed on the baby carriages with different shapes and sizes, so that the baby carriages have different intelligent child walking modes, and can be remotely controlled to act by connecting the Bluetooth module with external mobile equipment.)

1. The utility model provides a external integral type drive arrangement of thing networking intelligent control for perambulator, includes control drive box (2), automatically controlled box (3) and collision avoidance equipment, a serial communication port, control drive box (2) set up in perambulator lower extreme rear side, control drive box (2) are including control drive box body (2 a), control drive box body (2 a) inside is equipped with gyroscope, magnetometer, direct current lithium cell, bluetooth module, motor drive module, control mainboard and two driving motor (2 g) of symmetry, the output shaft of driving motor (2 g) stretches out control drive box body (2 a), and all be fixed with drive wheel (2 b) adjustably on the output shaft of driving motor (2 g), automatically controlled box (3) set up on perambulator body's back push rod (1 c), collision avoidance equipment sets up the front side at perambulator body, the control mainboard respectively with automatically controlled box (3), Collision avoidance equipment, a gyroscope, a magnetometer, a direct current lithium battery and a motor driving module are electrically connected, the motor driving module is electrically connected with a driving motor (2 g), and a Bluetooth module is wirelessly and electrically connected with external mobile equipment.

2. The external connection type driving device of the Internet of things intelligent control for the baby carriage is characterized in that a rear cross rod (1 a) is arranged at the lower end of the baby carriage body, rear wheels (1 b) with brakes are arranged at two ends of the rear cross rod (1 a), the control driving box (2) further comprises an adjusting plate (2 c), the adjusting plate (2 c) is fixed above the control driving box body (2 a), a reinforcing rib (2 d) is arranged between the control driving box and the adjusting plate (2 c), the adjusting plate (2 c) is provided with two adjusting slide blocks (2 j) in a sliding manner, one sides of the adjusting slide blocks (2 j) are respectively fixed with a quick connection clamp (2 e), the quick connection clamp (2 e) is detachably buckled on the rear cross rod (1 a), a hand-screwing bolt (2 f) is arranged on the quick connection clamp (2 e), a clamping pad is arranged inside the quick connection clamp (2 e), and is abutted against the rear cross rod (1 a), the other side of the adjusting slide block (2 j) is connected with a fastening bolt (2 i) in a threaded mode, the end portion of the fastening bolt (2 i) abuts against the adjusting plate (2 c), and the control driving box body (2 a) is provided with a plurality of serial port plugs (2 h).

3. The external connection type driving device of the Internet of things intelligent control for the baby carriage as claimed in claim 1 or 2, wherein the electronic control box (3) comprises an electronic control box body (3 b) and an elastic clamping plate (3 a), the elastic clamping plate (3 a) is fixed at the lower end of the electronic control box body (3 b), the elastic clamping plate (3 a) is clamped on a rear push rod (1 c) of the baby carriage body, an electronic control module is arranged in the electronic control box body (3 b) and electrically connected with a control main board, a mode button (3 d), a power switch (3 g) and a plurality of LED lamps (3 f) with different lamp colors are arranged on the electronic control box body (3 b), the mode button (3 d), the power switch (3 g) and the LED lamps (3 f) are electrically connected with the electronic control module, an identification area (3 c) and a lamp control bright area (3 e) are arranged on the electronic control box body (3 b), the positions of the identification area (3 c) and the lamp control description area (3 e) correspond to the positions of the mode button (3 d) and the power switch (3 g) and the positions of the plurality of LED lamps (3 f) with different lamp colors, respectively.

4. The internet of things intelligent control external connection integrated driving device for the baby carriage as claimed in claim 3, wherein the collision avoidance device is a collision avoidance box (4), the collision avoidance box (4) comprises a collision avoidance box body (4 a), an electric control serial port groove (4 b) is formed in the collision avoidance box body (4 a), the electric control serial port groove (4 b) is electrically connected with the control main board, distance sensors (4 c) are arranged at the upper end, the front end and two sides of the collision avoidance box body (4 a), the distance sensors (4 c) are electrically connected with the electric control serial port groove (4 b), and a plurality of clamping rings (4 d) are fixed on the collision avoidance box body (4 a).

5. The external integrated driving device of internet of things intelligent control for the baby carriage as claimed in claim 4, wherein the control mainboard is a main control chip responsible for logic control of each module, the main control chip has a strolling mode, an indoor playing mode, an outgoing straight trolley mode and a manual control mode, the power switch (3 g) is a metal self-locking switch with a lamp, the mode button (3 d) is a microswitch, the driving motor (2 g) is a direct current speed reducing motor, and the first distance sensor (4 c) is an ultrasonic distance measuring sensor.

6. The internet of things intelligent control external connection integrated driving device for the baby carriage as claimed in claim 1, wherein the collision avoidance device is composed of a plurality of collision avoidance components (5), the plurality of collision avoidance components (5) are respectively arranged on the front side and the left and right sides of the baby carriage body, in this example, the number of collision avoidance components (5) is six, two collision avoidance components (5) at the same height are arranged on the upper and lower sides of the front side of the baby carriage body, the two collision avoidance components (5) at the same height are in a group, the two collision avoidance components (5) at the position are respectively right in front of and above, and one is respectively arranged on the left and right sides of the baby carriage body.

7. The external integral type drive arrangement of thing networking intelligent control for perambulator of claim 6, characterized in that, collision avoidance subassembly (5) includes collision avoidance serial ports box (5 a), and collision avoidance serial ports box (5 a) lower extreme is equipped with elasticity buckle (5 b), and elasticity buckle (5 b) joint is on the perambulator body, is equipped with on collision avoidance serial ports box (5 a) and connects serial ports (5 d), connects serial ports (5 d) and control mainboard electric connection, is equipped with two distance sensor (5 c) inside collision avoidance serial ports box (5 a), and two distance sensor (5 c) and the connection serial ports (5 d) electric connection, and two distance sensor (5 c) are ultrasonic ranging sensor.

Technical Field

The invention belongs to the technical field of intelligent auxiliary of a baby carriage, and relates to an internet of things intelligent control external integral driving device for the baby carriage.

Background

The baby carriage is a tool carriage designed for providing convenience for outdoor activities of babies, and has various vehicle types, the baby carriage is generally played by children aged 1 to 2 years, the toy carriage with wheels is played by children aged over 2 years, the baby carriage can bring certain benefits to the intelligence development of the children, and the brain development of the children is increased.

The baby carriage is a favorite walking vehicle for babies, and is an essential product for mothers to take babies to shop on the street. However, the baby carriage can be divided into a large number of types according to the growth and usage of the baby. Mainly according to the standard of the load capacity, and the general test standard is nine to fifteen kilograms. A typical stroller can be used for about four to five years.

The common baby carriage has single function and cannot meet other use requirements of users, for some guardians who buy the common baby carriage, the burden of the guardians for taking care of the baby is reduced, the baby carriage can walk indoors automatically within a visible range when the guardians are busy with other things, and the baby carriage can also simply and automatically run outdoors to liberate the hands of the guardians.

Therefore, the external integrated driving device of the internet of things intelligent control for the baby carriage is provided, the external integrated driving device can be rapidly installed on various different baby carriages, various operation modes for walking the baby are provided, convenience is provided for guardians under different scenes, and the burden of taking care of the baby by the guardians is reduced.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides an internet of things intelligent control external connection integrated driving device for a baby carriage, which aims to solve the technical problems that: how to realize that various different perambulator all can external intelligent drive device, intelligent interconnection is controlled and is sauntered baby.

The purpose of the invention can be realized by the following technical scheme:

an internet-of-things intelligent control external integral driving device for a baby carriage comprises a control driving box, an electric control box and collision avoidance equipment, wherein the control driving box is arranged on the rear side of the lower end of the baby carriage body and comprises a control driving box body, a gyroscope, a magnetometer, a direct-current lithium battery, a Bluetooth module, a motor driving module, a control mainboard and two symmetrical driving motors are arranged in the control driving box body, an output shaft of each driving motor extends out of the control driving box body, driving wheels are adjustably fixed on the output shaft of each driving motor, the electric control box is arranged on a rear push rod of the baby carriage body, the collision avoidance equipment is arranged on the baby carriage body and is a collision avoidance box, the collision avoidance box is arranged on the front side of the baby carriage body, the control mainboard is respectively and electrically connected with the electric control box, the collision avoidance box, the gyroscope, the direct-current lithium battery and the motor driving module, and the motor driving module are electrically connected with, the Bluetooth module is in wireless electric connection with external mobile equipment.

The working principle of the invention is as follows: the control driving box, the electric control box and the collision avoidance equipment are quickly installed at the corresponding position of the baby carriage body, the control main board has multiple baby walking control modes, the control main board is controlled by the electric control box to start and select different baby walking control modes, the control main board sends signals to the motor driving module, the motor driving module controls two driving motors to rotate in a differential mode so as to drive driving wheels to move in a differential mode, the baby walking in different baby walking control modes is completed, the magnetometer and the gyroscope detect the current direction of the baby carriage and control the direction of the baby carriage, when the collision avoidance box senses that a front obstacle is encountered, the control main board sends signals to the motor driving module, and the motor driving module controls the two driving motors to rotate in a differential mode so as to turn, turn or stop working; after the electronic control box controls the control mainboard to start up, the Bluetooth module starts at the moment, an external mobile device such as a mobile phone is used for connecting the Bluetooth module, the interconnection of the device and the mobile phone is realized, the control mode of walking a baby can be remotely controlled and switched after connection, meanwhile, the functions of shutdown and displaying the electric quantity of a direct-current lithium battery can be controlled, after the manual control mode is selected, a manual control mode interface is entered, virtual keys such as front, back, left and right sides, pause, shutdown and return are controlled in the interface, the mobile phone transmits control information to the Bluetooth module through wireless Bluetooth, the Bluetooth module transmits the control information to the control mainboard, the control mainboard sends a signal to the motor driving module, and the motor driving module controls two driving motors to work, so that the baby carriage is controlled to advance, retreat, turn left and right, and the pause, shutdown and.

The lower extreme of perambulator body is equipped with the back horizontal pole, the both ends of back horizontal pole are equipped with the area rear wheel of stopping, control drive box still includes the regulating plate, the regulating plate is fixed in control drive box body top, be equipped with the strengthening rib between control drive box and the regulating plate, the regulating plate slides and is equipped with two adjusting block, one side of adjusting block all is fixed with the quick-witted clamp that connects, quick-connect clamp detachably lock is on the back horizontal pole, be equipped with the hand on the quick-connect clamp and twist the bolt, the inside clamp pad that is equipped with of quick-connect clamp, press from both sides tight pad conflict on the back horizontal pole, the equal spiro union of adjusting block's opposite side has fastening bolt, fastening bolt.

Structure more than adopting, to connect the clamp soon and open, the lock is on the rear cross pole, then close and connect the clamp soon, this moment, press from both sides tight pad conflict and screw up fastening bolt on the rear cross pole, the distance between the rear wheel is stopped according to the area of different perambulator bodies, adjust the distance between the drive wheel, it is the biggest to guarantee the distance between the drive wheel as far as possible, height according to the rear cross pole of different perambulator bodies, adjust the position of regulating block on the regulating plate, the rear wheel unsettled liftoff of stopping in area of guaranteeing perambulator body, then screw up fastening bolt, make fastening bolt's tip conflict on the regulating plate, position adjustment is accomplished, the drive wheel replaces the work of stopping the rear wheel in area this moment, and the drive wheel initiative application of force, it removes to drive the perambulator body, serial ports plug is used for charging.

Automatically controlled box includes automatically controlled box body and elastic splint, elastic splint fixes the lower extreme at automatically controlled box body, and elastic splint joint baby carriage's back push rod on, the inside automatically controlled module that is equipped with of automatically controlled box body, automatically controlled module and control mainboard electric connection, be equipped with the LED lamp of mode button and switch and a plurality of different light colours on the automatically controlled box body, the mode button, switch and LED lamp all with automatically controlled module electric connection, be equipped with sign area and lamp accuse description area on the automatically controlled box body, the position in sign area and lamp accuse description area corresponds with the position of the LED lamp of mode button and switch and a plurality of different light colours respectively.

Structure more than adopting, on the back push rod of elasticity splint joint perambulator body, can use ribbon or bandage simultaneously, cooperation elasticity splint, fix automatically controlled box body on the back push rod of perambulator body, press switch, this device gets into the power on state, press then shut down again, mode button is used for the adjustment to switch different child modes of sauntering, the LED lamp of different light colours lights and reminds to get into different child modes of sauntering, the sign zone record button sign, the mode state that the light colour of different LED lamps of lamp accuse description zone record corresponds.

The collision avoidance box comprises a collision avoidance box body, an electric control serial port groove is formed in the collision avoidance box body and electrically connected with the control main board, a first distance sensor is arranged at the upper end, the front end and the two sides of the collision avoidance box body and electrically connected with the electric control serial port groove, and a plurality of clamping rings are fixed on the collision avoidance box body.

Structure more than adopting, the collision-avoidance box body is placed in perambulator body front side, adopts snap ring and ribbon or bandage cooperation, and ribbon or bandage pass the snap ring promptly, will collide the box body and fix in perambulator body front side, and the distance of the barrier of different positions is responsible for detecting to the distance information that will gather transmits to the control mainboard through automatically controlled serial port groove.

The control mainboard is the main control chip who is responsible for the logic control of each module, and main control chip has walk child mode, indoor mode of playing, the dolly mode of going out to go straight and manually control the mode, and switch is for taking lamp metal self-locking switch, and the mode button is micro-gap switch, and driving motor is DC gear motor, and distance sensor one is ultrasonic ranging sensor.

Structure more than adopting, the control mainboard is entire system's main control chip, takes lamp metal self-locking switch perambulator circuit control system's switch, opens the back, takes lamp metal self-locking switch to light, reminds start-up work, and micro-gap switch is the button that mode conversion used, and ultrasonic ranging sensor is responsible for detecting the distance of the barrier directly over, directly in the front, left place ahead, right front to the distance information transmission who will gather is to the control mainboard.

The collision avoidance device is composed of a plurality of collision avoidance components, the collision avoidance components are respectively arranged on the front side and the left side and the right side of the baby carriage body, the number of the collision avoidance components is six, the upper side and the lower side of the front side of the baby carriage body are both provided with two collision avoidance components at the same height, the two collision avoidance components at the position are respectively right in front of and right above the baby carriage body, and the left side and the right side of the baby carriage body are respectively provided with one collision avoidance component.

With the adoption of the structure, the collision avoidance components on the left side and the right side of the baby carriage body detect the distance between the obstacles on the left front side and the right front side, and the distance between the obstacles on the right front side and the two groups of obstacles on the upper side and the lower side of the front side of the baby carriage body are detected and transmitted to the control main board.

The collision avoidance assembly comprises a collision avoidance serial port box, an elastic buckle is arranged at the lower end of the collision avoidance serial port box and is connected to the baby carriage body in a clamped mode, a connection serial port is arranged on the collision avoidance serial port box and is electrically connected with the control mainboard, a distance sensor II is arranged inside the collision avoidance serial port box and is electrically connected with the connection serial port, and the distance sensor II is an ultrasonic ranging sensor.

Structure more than adopting, the elasticity buckle joint is on baby's automobile body to with ribbon or bandage cooperation, but will keep away the collision subassembly and install on baby's automobile body fast, distance sensor two detect directly over, the distance of the barrier in the dead ahead, left place, right front, and transmit the distance information of gathering to the control mainboard through connecting the serial ports, avoid colliding the barrier, also avoid getting into the lower part of object (like desk bottom or cupboard lower part), the security performance is higher.

Compared with the prior art, this external integral type drive arrangement of thing networking intelligent control for perambulator has following advantage:

the control driving box, the electric control box and the collision avoidance equipment can be quickly and simply installed on the baby carriages with different shapes and different sizes, the application range is wide, differential motion of the driving wheels is realized through the driving motor, the control main board and the motor driving module, the functions of completing advancing, retreating, steering and the like of the baby carriages in a small space are met, the baby carriages have different intelligent baby walking modes, hands of a guardian are liberated, the baby carriages are suitable for indoor and outdoor use, and the application range is wide; the current direction of the baby carriage is detected and corrected through the cooperation of the gyroscope and the magnetometer, the control is convenient, and the safety performance is high; through bluetooth module and outside mobile device connection, realize the switching of the mode of strolling baby and get into the manual mode of controlling, but remote control perambulator action.

Drawings

FIG. 1 is a schematic rear side view of a first embodiment of the present invention;

FIG. 2 is a schematic front side view of the first embodiment of the present invention;

FIG. 3 is a schematic diagram of the front side structure of the control drive cassette of the present invention;

FIG. 4 is a rear side view of the control drive cassette of the present invention;

FIG. 5 is a schematic structural view of the electronic control box of the present invention;

fig. 6 is a schematic structural view of the crash box of the present invention;

FIG. 7 is a schematic structural diagram of a second embodiment of the present invention;

fig. 8 is a schematic structural view of a collision avoidance assembly of the present invention;

FIG. 9 is a control flow block diagram of the present invention;

FIG. 10 is a control flow block diagram of an external mobile device of the present invention;

FIG. 11 is a block diagram of the electrical control architecture of the present invention;

FIG. 12 is an overall modular wiring diagram of the present invention;

in the figure: 1-baby carriage body, 1 a-rear connecting rod, 1 b-rear wheel with brake, 1 c-rear push rod, 1 d-universal wheel with brake, 2-control drive box, 2 a-control drive box body, 2 b-drive wheel, 2 c-adjusting plate, 2 d-reinforcing rib, 2 e-quick-connection clamp, 2 f-hand-screwed bolt, 2 g-drive motor, 2 h-serial port plug, 2 i-fastening bolt, 2 j-adjusting slide block, 3-electric control box, 3 a-elastic clamp plate, 3 b-electric control box body, 3 c-identification area, 3 d-mode button, 3 e-lamp control description area, 3f-LED lamp, 3 g-power switch, 4-collision-avoiding box, 4 a-collision-avoiding box body, 4 b-electric control serial slot, The device comprises a first 4 c-distance sensor, a first 4 d-snap ring, a 5-collision avoidance component, a 5 a-collision avoidance serial port box, a 5 b-elastic buckle, a second 5 c-distance sensor and a 5 d-connection serial port.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are intended to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example one

Referring to fig. 1-6 and fig. 9-12, the embodiment provides an internet of things intelligent control external connection integrated driving device for a baby carriage, which includes a control driving box 2, an electronic control box 3 and a collision avoidance device, wherein the control driving box 2 is disposed at the rear side of the lower end of the baby carriage body, the control driving box 2 includes a control driving box body 2a, a gyroscope, a magnetometer, a dc lithium battery, a bluetooth module, a motor driving module, a control mainboard and two symmetrical driving motors 2g are disposed in the control driving box body 2a, an output shaft of the driving motor 2g extends out of the control driving box body 2a, driving wheels 2b are adjustably fixed on output shafts of the driving motors 2g, the electronic control box 3 is disposed on a rear push rod 1c of the baby carriage body, the collision avoidance device is a collision avoidance box 4, the collision avoidance box 4 is disposed at the front side of the baby carriage body, the control mainboard is respectively and electrically connected with the electric control box 3, the collision avoidance box 4, the gyroscope, the magnetometer, the direct current lithium battery and the motor driving module, the motor driving module is electrically connected with the driving motor 2g, and the Bluetooth module is wirelessly and electrically connected with external mobile equipment;

the control driving box 2, the electric control box 3 and the collision avoidance equipment are quickly installed at the corresponding positions of a baby carriage body, the control main board has multiple baby walking control modes, the control main board is controlled by the electric control box 3 to be started and different baby walking control modes are selected, the control main board sends signals to the motor driving module, the motor driving module controls two driving motors 2g to rotate in a differential mode, so as to drive driving wheels 2b to move in a differential mode, the baby walking in different baby walking control modes is completed, the magnetometer and the gyroscope detect the current direction of the baby carriage and control the direction of the baby carriage, when the collision avoidance box 4 senses that a front obstacle is met, the control main board sends signals to the motor driving module, and the motor driving module controls the two driving motors 2g to rotate in a differential mode, so as to turn, turn or stop working; after the electric control box 3 controls the control main board to start up, the Bluetooth module is started at the moment, an external mobile device such as a mobile phone APP is used for connecting the Bluetooth module, the interconnection between the device and the mobile phone is realized, the remote control switching between the doll walking control mode can be realized after the connection, and the functions of shutdown, direct-current lithium battery power display and the like can be controlled, after the manual operation mode is selected, the APP enters a manual operation mode interface, virtual keys such as front, back, left and right, pause, shutdown, return and the like are used for controlling the interface, the mobile phone APP transmits control information to the Bluetooth module through wireless Bluetooth, the Bluetooth module transmits the control information to the control main board, the control main board sends a signal to the motor driving module, the motor driving module controls two driving motors 2g to work, therefore, the forward and backward and left and right steering of the baby carriage can be controlled, and the pause, the shutdown and the return to the previous interface can be controlled at the same time.

The baby carriage comprises a baby carriage body and is characterized in that a rear cross rod 1a is arranged at the lower end of the baby carriage body, rear wheels 1b with brakes are arranged at two ends of the rear cross rod 1a, a control driving box 2 further comprises an adjusting plate 2c, the adjusting plate 2c is fixed above the control driving box body 2a, a reinforcing rib 2d is arranged between the control driving box and the adjusting plate 2c, two adjusting sliders 2j are arranged on the adjusting plate 2c in a sliding mode, quick-connection clamps 2e are fixed on one sides of the adjusting sliders 2j, the quick-connection clamps 2e are detachably buckled on the rear cross rod 1a, hand-screwed bolts 2f are arranged on the quick-connection clamps 2e, clamping pads are arranged inside the quick-connection clamps 2e and abut against the rear cross rod 1a, fastening bolts 2i are screwed on the other sides of the adjusting sliders 2j, end portions of the fastening bolts 2i abut against;

the quick-connection hoop 2e is opened and buckled on the rear cross rod 1a, then the quick-connection hoop 2e is closed, at the moment, the clamping pad props against the rear cross rod 1a and a fastening bolt 2i is screwed down, the distance between the driving wheels 2b is adjusted according to the distance between the rear wheels 1b with brakes of different baby carriage bodies, the distance between the driving wheels 2b is ensured to be the maximum as far as possible, the position of the adjusting slide block 2j on the adjusting plate 2c is adjusted according to the height of the rear cross bar 1a of different baby carriage bodies to ensure that the rear wheel 1b with the brake of the baby carriage body is suspended above the ground, then the fastening bolt 2i is tightened to enable the end part of the fastening bolt 2i to abut against the adjusting plate 2c, the position adjustment is completed, the driving wheel 2b replaces the rear wheel 1b with the brake to work, and the driving wheel 2b actively applies force to drive the baby carriage body to move, and the serial port plug 2h is used for charging and connecting each electric element through a wire.

The electric control box 3 comprises an electric control box body 3b and an elastic clamping plate 3a, the elastic clamping plate 3a is fixed at the lower end of the electric control box body 3b, the elastic clamping plate 3a is clamped on a rear push rod 1c of the baby carriage body, an electric control module is arranged inside the electric control box body 3b and is electrically connected with a control main board, a mode button 3d, a power switch 3g and a plurality of LED lamps 3f with different lamp colors are arranged on the electric control box body 3b, the mode button 3d, the power switch 3g and the LED lamps 3f are all electrically connected with the electric control module, an identification area 3c and a lamp control description area 3e are arranged on the electric control box body 3b, and the positions of the identification area 3c and the lamp control description area 3e respectively correspond to the positions of the mode button 3d, the power switch 3g and the plurality of LED lamps;

on the back push rod 1c of elasticity splint 3a joint perambulator body, can use ribbon or bandage simultaneously, cooperation elasticity splint 3a, fix automatically controlled box body 3b on the back push rod 1c of perambulator body, press switch 3g, this device gets into power on state, press then shut down again, mode button 3d is used for the adjustment to switch different child modes of sauntering, the LED lamp 3f of different lamp colours lights and reminds to get into different child modes of sauntering, the sign area 3c records the button sign, the mode state that the lamp colour of different LED lamps 3f of lamp accuse description area 3e record corresponds.

The collision avoidance box 4 comprises a collision avoidance box body 4a, an electric control serial port groove 4b is formed in the collision avoidance box body 4a, the electric control serial port groove 4b is electrically connected with the control main board, distance sensors 4c are arranged at the upper end, the front end and two sides of the collision avoidance box body 4a, the distance sensors 4c are electrically connected with the electric control serial port groove 4b, and a plurality of clamping rings 4d are fixed on the collision avoidance box body 4 a;

the collision-prevention box body 4a is placed on the front side of the baby carriage body, the clamping ring 4d is matched with the binding belt or the binding belt, namely the binding belt or the binding belt penetrates through the clamping ring 4d, the collision-prevention box body 4a is fixed on the front side of the baby carriage body, the distance sensors 4c at different positions are responsible for detecting the distances of obstacles at different positions, and collected distance information is transmitted to the control main board through the electric control serial port groove 4 b.

The control main board is a main control chip which is responsible for logic control of all the modules, the main control chip is provided with a strolling mode, an indoor playing mode, an outgoing straight trolley mode and a manual control mode, the power switch 3g is a metal self-locking switch with a lamp, the mode button 3d is a microswitch, the driving motor 2g is a direct-current speed reducing motor, and the distance sensor I4 c is an ultrasonic ranging sensor;

the control mainboard is entire system's main control chip, takes lamp metal self-locking switch perambulator circuit control system's switch, opens the back, takes lamp metal self-locking switch to light, reminds start-up work, and micro-gap switch is the button that mode conversion used, and ultrasonic ranging sensor is responsible for detecting the distance of the barrier directly over, directly in the place ahead, left place ahead, right front to the distance information transmission who will gather is to the control mainboard.

Example two

Referring to fig. 3-5 and 7-12, the embodiment provides an internet of things intelligent control external integrated driving device for a stroller, wherein a collision avoidance apparatus comprises a plurality of collision avoidance components 5, the plurality of collision avoidance components 5 are respectively arranged on the front side and the left and right sides of the stroller body, in this example, the number of the collision avoidance components 5 is six, two collision avoidance components 5 at the same height are respectively arranged on the upper side and the lower side of the front side of the stroller body, the two collision avoidance components 5 at the same height are in a group, the two collision avoidance components 5 at the position are respectively right in front of and right above the stroller body, and one is respectively arranged on each of the left side and the right side of the stroller body;

collision avoidance components 5 on the left side and the right side of the baby carriage body detect the distance between the obstacles on the left front side and the right front side, two groups of collision avoidance components on the upper side and the lower side of the front side of the baby carriage body detect the distance between the obstacles on the right front side and the obstacles on the right front side, and transmit the acquired distance information to the control main board.

The collision avoidance component 5 comprises a collision avoidance serial port box 5a, an elastic buckle 5b is arranged at the lower end of the collision avoidance serial port box 5a, the elastic buckle 5b is clamped on the baby carriage body, a connection serial port 5d is arranged on the collision avoidance serial port box 5a, the connection serial port 5d is electrically connected with the control mainboard, a distance sensor II 5c is arranged inside the collision avoidance serial port box 5a, the distance sensor II 5c is electrically connected with the connection serial port 5d, and the distance sensor II 5c is an ultrasonic ranging sensor;

elastic buckle 5b joint is on the perambulator body to with ribbon or bandage cooperation, but will keep away collision subassembly 5 and install on the perambulator body fast, distance sensor two 5c detect directly over, the distance of the barrier in the dead ahead, left place ahead, right front, and transmit the distance information of gathering to the control mainboard through connecting serial ports 5d, avoid colliding the barrier, also avoid getting into the lower part of object (like desk bottom or cupboard lower part), the security performance is higher.

In the first and second embodiments, the above fixing manners are all the fixing and connecting manners most commonly used in the art, such as welding or bolt connection; the above electrical elements such as the second distance sensor 5c, the driving motor 2g with the model of 12V/RPM55, the magnetometer with the model of HMC58 5883L, the gyroscope with the model of MPU6050, etc. are all prior art products, and can be directly purchased and used in the market, and the detailed principle is not repeated.

The working principle of the invention is as follows:

the quick-connection hoop 2e is opened and buckled on the rear cross rod 1a, then the quick-connection hoop 2e is closed, at the moment, the clamping pad props against the rear cross rod 1a and a fastening bolt 2i is screwed down, the distance between the driving wheels 2b is adjusted according to the distance between the rear wheels 1b with brakes of different baby carriage bodies, the distance between the driving wheels 2b is ensured to be the maximum as far as possible, the position of the adjusting slide block 2j on the adjusting plate 2c is adjusted according to the height of the rear cross bar 1a of different baby carriage bodies to ensure that the rear wheel 1b with the brake of the baby carriage body is suspended above the ground, then the fastening bolt 2i is tightened to enable the end part of the fastening bolt 2i to abut against the adjusting plate 2c, the position adjustment is completed, the driving wheel 2b replaces the rear wheel 1b with the brake to work, the driving wheel 2b actively applies force to drive the baby carriage body to move, and the serial port plug 2h is used for charging and is connected with each electric element through a wire;

the elastic clamping plate 3a is clamped on the rear push rod 1c of the baby carriage body, and the electric control box body 3b can be fixed on the rear push rod 1c of the baby carriage body by using a binding belt or a binding band in cooperation with the elastic clamping plate 3 a;

the snap ring 4d is matched with a binding tape or a binding belt, namely, the binding tape or the binding belt penetrates through the snap ring 4d, and the collision-preventing box body 4a is fixed on the front side of the baby carriage body;

the elastic buckles 5b are clamped on the baby carriage body and matched with the ribbon or the bandage, so that the collision avoidance components 5 can be quickly arranged on the front side, the left side and the right side of the baby carriage body;

the power switch 3g is pressed, the device enters a starting state, if any button is not pressed, the mainboard is controlled to enter a strolling mode, if the mode needs to be adjusted, the mode button 3d is pressed for a long time, at the moment, the device enters an adjustment mode state, after the adjustment mode state is entered, the device still enters the strolling mode without pressing the button within two seconds, the device presses once, enters an indoor playing mode, presses twice, enters an outgoing straight-going trolley mode, and the direct-current lithium battery provides electric energy for driving the motor 2g to pass through;

the walking baby mode is as follows: the control main board sends a signal to the motor driving module, the motor driving module controls the two driving motors 2g to intermittently switch forward and reverse, so that the driving wheel 2b is controlled to intermittently move forward and backward at a slow speed, namely the driving motors 2g rotate forward for a plurality of seconds and keep moving straight, the driving motors 2g rotate backward for the same time and keep moving backward at equal intervals, and then the motor enters into circulation work, and other electric elements do not work;

indoor play mode: the control mainboard sends a signal to the motor drive module, the motor drive module controls two drive motors 2g to work simultaneously, so as to control the drive wheels 2b to go forward linearly indoors, the magnetometer and the gyroscope detect the current direction of the baby carriage, the direction of the baby carriage is controlled, when the collision avoidance box 4 or the collision avoidance component 5 senses that an obstacle exists in front, the collision avoidance box 4 or the collision avoidance component 5 transmits the signal to the control mainboard, the control mainboard sends the signal to the motor drive module, the motor drive module controls the two drive motors 2g to rotate in a differential mode, and the rotating speed of the drive motor 2g on the left side is smaller than that of the drive motor 2g on the right side, namely the baby carriage turns 90 degrees leftwards; similarly, when the front and the left meet the obstacle, the vehicle turns 90 degrees to the right; when the front and the right meet the obstacle, the vehicle turns 90 degrees to the left; when the front, the left and the right of the vehicle meet an obstacle or the upper part of the vehicle meets an obstacle, the motor driving module controls the two driving motors 2g to rotate in a differential mode, and the vehicle turns around for 180 degrees to avoid collision or enter the bottom of an object;

going out and going straight to the trolley mode: the control mainboard sends a signal to the motor drive module, the motor drive module controls two drive motors 2g to keep the theoretical rotational speed unanimous, realize advancing at low speed, when collision avoidance box 4 or collision avoidance component 5 response the place ahead and meet the barrier, control drive motor 2g stop work immediately, if no matter the road is uneven road or stone reason, the stroke difference of two drive motors 2g leads to the direction transform, magnetometer and gyroscope detect the direction that present perambulator was located, all can keep the direction of previous record, control and revise the direction of perambulator.

Interconnection with external mobile devices: according to power switch 3g, this device gets into the power-on state, and bluetooth module starts this moment, uses outside mobile device to connect bluetooth module like cell-phone APP, realizes the interconnection of this device and cell-phone, can remote control switch after connecting and walk child mode, indoor recreation mode, go out and go straight dolly mode and manual mode of controlling, functions such as steerable shutdown and demonstration direct current lithium cell electric quantity simultaneously.

Manual operation mode: can only select to get into the manual mode of controlling through outside mobile device, get into the back, APP gets into the manual mode interface of controlling, interface inside all around, pause, shutdown, virtual keys such as return are controlled, cell-phone APP passes through wireless bluetooth transmission with control information to bluetooth module, bluetooth module transmits control information to the control mainboard, control mainboard send signal to motor drive module, two driving motor 2g work of motor drive module control, thereby control perambulator advance retreat and control to turn to, steerable pause simultaneously, shutdown and return last interface.

In conclusion, the control drive box 2, the electric control box 3 and the collision avoidance equipment can be quickly and simply installed on the baby carriages with different shapes and sizes, the application range is wide, differential motion of the drive wheel 2b is realized through the drive motor 2g, the control main board and the motor drive module, the functions of the baby carriage such as advancing, retreating and steering in a small space are met, the baby carriage has different intelligent baby walking modes for walking the baby, both hands of a guardian are liberated, the baby carriage is suitable for indoor and outdoor use, and the application range is wide; the current direction of the baby carriage is detected and corrected through the cooperation of the gyroscope and the magnetometer, the control is convenient, and the safety performance is high; through bluetooth module and outside mobile device connection, realize the switching of the mode of strolling baby and get into the manual mode of controlling, but remote control perambulator action.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.