CN204910769U - Intelligence child's bike - Google Patents

Abstract

The utility model discloses an intelligence child's bike, it includes: singlechip, bluetooth unit, obstacle unit, tracking unit, display element and motor drive unit, wherein: the output of bluetooth unit links to each other with the singlechip, the output of obstacle unit links to each other with the singlechip, the output of tracking unit links to each other with the singlechip, display element's input links to each other with the singlechip, the input of motor drive unit links to each other with the singlechip. The mobile terminal (like the cell -phone) that the accessible has bluetooth function to realize the control to the child's bike, realizes the conversion between the advancing of child's bike, tracking and the obstacle three. The utility model discloses an intelligence child's bike has increased the detection range, does not need special remote controller, and driving safety is stable, has effectively ensured children's safety, has alleviateed head of a family's burden.

Description

A kind of intelligent children's car

technical field

The utility model relates to the technical field of children's toys, in particular to an intelligent children's vehicle.

Background technique

With the continuous development of the times, more and more smart products have entered our field of vision. The continuous improvement of people's quality of life makes these intelligent products have a good development market. Intelligent vehicle is a research hotspot in the field of vehicle engineering in the world. With the continuous improvement of science and technology and the continuous deepening of product automation requirements, intelligent vehicles have been widely used in many fields. In recent years, there has been more and more research on smart cars, including driverless cars, smart vacuum cleaners, and more. The research and development of smart products is also in line with the development trend of the times.

Information integration technology has brought broad development prospects to the development of intelligent vehicles, which greatly improves the intelligence and safety of intelligent vehicles. However, there are still many problems to be solved to seamlessly combine the various sensors, and there are still very few applications of smart car technology to the development of children's cars, which cannot effectively guarantee the safety of children's cars.

Utility model content

The utility model aims at the problems existing in the above-mentioned prior art, and proposes an intelligent children's car, which can realize the conversion of the three functions of the children's car: traveling, tracking, and barriers. The driving is safe and stable, effectively ensuring the safety of children, and reducing the Parent burden.

In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:

The utility model provides an intelligent children's car, which includes: a single-chip microcomputer, a Bluetooth unit, a barrier unit, a tracking unit, a display unit and a motor drive unit; wherein:

The single-chip microcomputer is connected with the Bluetooth unit, the barrier unit, the tracking unit, the display unit and the motor drive unit, further;

The output end of the bluetooth unit is connected to the single-chip microcomputer; the output end of the barrier unit is connected to the single-chip microcomputer; the output end of the tracking unit is connected to the single-chip microcomputer; the input end of the display unit is connected to the single-chip microcomputer. The single-chip microcomputer is connected; the input end of the motor drive unit is connected with the single-chip microcomputer.

Preferably, the barrier unit is installed in the center of the front of the smart children's vehicle, the barrier unit includes a steering gear and an ultrasonic unit, and the ultrasonic unit is installed above the steering gear. By turning the steering gear 90 degrees left and right, you can detect the distance of the front, left, and right obstacles at once, so as to judge the direction of travel. The barrier unit adopting this scheme has a wider adjustable distance and better barrier effect. Better, with less jolting in the buggy.

Preferably, the model of the steering gear is: SG90.

Preferably, the tracking unit includes infrared probes installed on both sides of the track.

Preferably, the number of infrared probes on each side of the track is two; the two infrared probes on each side are separated by a predetermined distance. Two infrared probes with small spacing are installed on the left and right sides of the track, so that even if the speed of the baby car passes the first probe too fast, the second probe will detect and adjust the method in time, thus achieving double protection Function, to better realize the tracking of children's vehicles.

Preferably, the predetermined distance is smaller than the width of the black line; the predetermined distance should be as small as possible and close together as much as possible, so as to play a better role of double insurance.

Preferably, the model of the single-chip microcomputer is: STC89S52.

Preferably, the model of the Bluetooth unit is: ZK-07.

Preferably, the motor drive unit is driven by an L298 motor.

Preferably, the controller of the bluetooth unit is a mobile terminal with bluetooth function. The stroller can be controlled by mobile terminals with bluetooth functions such as mobile phones and PADs. It is easy to carry and control the stroller; and there is no need to worry about damage to the remote control, which prolongs the service life.

Compared with the prior art, the utility model has the following advantages:

(1) The smart children's car provided by the utility model has a Bluetooth module, which can be controlled by mobile terminals such as mobile phones, and is more intelligent, and the control distance is farther than the general infrared remote control distance; and there is no need to design a special remote control, avoiding The remote control often fails, which is convenient and quick to save costs;

(2) The intelligent children's car of the present invention can realize the conversion of the three functions of traveling, tracking, and barriers, and the driving is safe and stable, which effectively guarantees the safety of children and reduces the burden on parents.

Of course, any product implementing the present utility model does not necessarily need to achieve all the above-mentioned advantages at the same time.

Description of drawings

Below in conjunction with accompanying drawing, the embodiment of the present utility model is further described:

Fig. 1 is the structural representation of the intelligent children's car of the present utility model;

Fig. 2 is the pin figure of bluetooth unit of the present utility model;

FIG. 3 is a schematic diagram of the tracking unit of the present invention.

Reference numerals: 1-single-chip microcomputer, 2-bluetooth unit, 3-barrier unit, 4-tracking unit, 5-display unit, 6-motor drive unit.

Detailed ways

The following is a detailed description of the embodiments of the present utility model. This embodiment is implemented on the premise of the technical solution of the present utility model, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present utility model is not limited to the following the described embodiment.

In conjunction with Fig. 1, this embodiment describes in detail the smart children's car of the present invention, which includes: a single-chip microcomputer 1, a bluetooth unit 2, a barrier unit 3, a tracking unit 4, a display unit 5 and a motor drive unit 6; wherein: the bluetooth unit The output end of 2 is connected with single-chip microcomputer 1; The output end of barrier unit 3 is connected with described single-chip microcomputer; The output end of tracking unit 4 is connected with single-chip microcomputer 1; The input end of display unit 5 is connected with single-chip microcomputer 1; The input end is connected with the one-chip computer 1.

In this embodiment, the mobile phone software realizes the switching of the traveling, tracking and barriers of the baby car by pairing the mobile phone with the Bluetooth unit 2 . When the mobile phone turns on Bluetooth and connects to the Bluetooth unit 2 of the stroller, the single-chip microcomputer 1 starts to receive the signal sent by the mobile phone software, that is, to detect the key press of the mobile phone software, and through the parameter setting of the Bluetooth unit 2, a total of "A" is defined. , "B", "C", "D", "E", "F", and "G" seven keys, representing the functions in order: forward, backward, left turn, right turn, stop, track and wall If the corresponding button is pressed, the single-chip microcomputer 1 can judge the function represented by the button, and feed back the signal to each module, thereby controlling the baby carriage to realize the corresponding function.

In this embodiment, the bluetooth unit 2 adopts the ZK-07 bluetooth module, which is a wireless bluetooth data transmission module, and the user does not need to write complicated setting and transmission programs. The module interface adopts a transparent data transmission mode, which can be used for both standard and non-standard users protocol. The pin diagram of the ZK-07 Bluetooth module is shown in Figure 2, and its pin definitions are shown in Table 1:

Table 1

pin definition illustrate 1 GND Ground 0V 2 VCC 5V-6.5V 3 EN Search enable terminal, active low (re-search slave master is valid) 4 RXD URAT input port (serial data receiving and sending end), TTL level 5 TXD URAT output port (serial data receiving end), TTL level 6 STA Status output terminal (the output is high after pairing), and the pairing is high and ground alternately 7 NC Empty feet (spare)

STA, status output pin, for pairing is high ground alternately, pairing output is high, connect an LED light in series, by observing the state of the LED light, you can judge whether the connection is successful.

The barrier unit 3 is installed in the center of the front of the intelligent children's car, and it includes a steering gear and an ultrasonic unit, and the ultrasonic unit is installed above the steering gear. The ultrasonic unit adopts the US-100 ultrasonic module, which can realize the non-contact distance measurement of 0-4.5m, with a wide voltage input range of 2.4-5.5V, and the shocking power consumption is lower than 2mA. Real-time correction, with GPIO, serial port and other communication methods, built-in watchdog, the effect is stable and reliable; the steering gear adopts Fraser SG909G steering gear. The working process of the barrier unit 3 is as follows: firstly, the ultrasonic unit detects the distance of the obstacle in front, if it is greater than 30 cm, the stroller will continue to move forward; if it is less than 30 cm, the steering gear will turn 90 degrees left and right to detect the distance of the obstacle on the left and right ; If the distance to the right is greater than 20 cm, regardless of the distance to the left, the stroller will turn right first; if the distance to the right is less than 20 cm, and the distance to the left is greater than 20 cm, the stroller will turn left; If the distance between the left and right sides is less than 20 cm, the stroller will back up and turn around.

The tracking unit 4 includes infrared probes installed on both sides of the track. Two infrared probes with small intervals are installed on the left and right sides. The infrared emitting and receiving tubes are used as the probes, and an LM339 voltage comparator is added to prevent critical output. Jitter, the schematic diagram shown in Figure 3. The working process of the tracking unit 4 is as follows: judge the presence or absence of the black line according to the line-tracking mark position, the probes on both sides of the black line detect the position of the black line in real time, and adjust the direction of the stroller in time, when the left probe senses the black line When the probe on the right side detects a black line, the stroller turns left; when the probes on the left and right sides do not sense the black line, the stroller goes straight.

The display unit 5 adopts a nixie tube, which displays the distance measured by the barrier unit 3 in real time, so that it can be judged whether the baby carriage chooses the forward direction according to the selected mode according to the distance displayed by the nixie tube.

The motor drive unit 6 is driven by an L298 motor and is used to drive the baby carriage.

What is disclosed here is only the preferred embodiment of the utility model. This specification selects and describes these embodiments in detail to better explain the principle and practical application of the utility model, not to limit the utility model. Any modifications and changes made by those skilled in the art within the scope of the description shall fall within the protection scope of the present utility model.

Claims (10)

1. an intelligent carriage for children, is characterized in that, comprising: single-chip microcomputer, bluetooth unit, obstacle unit, tracking unit, display unit and electric-motor drive unit; Wherein:

Described single-chip microcomputer is connected with described bluetooth unit, described obstacle unit, described tracking unit, described display unit and described electric-motor drive unit;

The output of described bluetooth unit is connected with described single-chip microcomputer; The output of described obstacle unit is connected with described single-chip microcomputer; The output of described tracking unit is connected with described single-chip microcomputer; The input of described display unit is connected with described single-chip microcomputer; The input of described electric-motor drive unit is connected with described single-chip microcomputer.

2. intelligent carriage for children according to claim 1, is characterized in that, described obstacle cellular installation is in the headstock central authorities of described intelligent carriage for children, and described obstacle unit comprises steering wheel and ultrasound unit, and described ultrasound unit is installed on the top of described steering wheel.

3. intelligent carriage for children according to claim 2, is characterized in that, the model of described steering wheel is: SG90.

4. intelligent carriage for children according to claim 1, is characterized in that, described tracking unit comprises the infrared probe being installed on track both sides.

5. intelligent carriage for children according to claim 4, is characterized in that, the quantity of the infrared probe of the every side of track is two;

Two described infrared probes of every side spaced a predetermined distance.

6. intelligent carriage for children according to claim 5, is characterized in that, described preset distance is less than black line width.

7. intelligent carriage for children according to claim 1, is characterized in that, the model of described single-chip microcomputer is: STC89S52.

8. intelligent carriage for children according to claim 1, is characterized in that, the model of described bluetooth unit is: ZK-07.

9. intelligent carriage for children according to claim 1, is characterized in that, described electric-motor drive unit adopts L298 motor to drive.

10. intelligent carriage for children according to claim 1, is characterized in that, described bluetooth unit controller be mobile terminal with Bluetooth function.