CN212586727U

CN212586727U - Baby carriage central control with speed per hour display

Info

Publication number: CN212586727U
Application number: CN202021985968.1U
Authority: CN
Inventors: 谌荣辉; 张旭辉; 张更乐; 刘永超
Original assignee: Zhengzhou Honghui Electronic Products Co ltd
Current assignee: Zhengzhou Honghui Electronic Products Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-02-23
Anticipated expiration: 2030-09-11

Abstract

The utility model provides a accuse in bassinet of area speed per hour demonstration, include: a Bluetooth chip; a power supply circuit; an electric quantity display circuit; a switching on/off circuit; a key circuit; the LED display circuit is connected with the Bluetooth chip; the mode switching circuit is connected with the Bluetooth chip; the audio input circuit is connected with the Bluetooth chip; the audio output circuit is connected with the Bluetooth chip; the utility model discloses in can be connected with external equipment through the bluetooth chip and carry out the music broadcast, increase interestingly, can show the electric quantity of power through electric quantity display circuit connection power simultaneously, remind the user in time to charge, improve the practicality, in addition, LED display circuit can show the functioning speed of bassinet, makes the speed condition of children's understanding bassinet that can audio-visual, has further richened interesting and practicality.

Description

Baby carriage central control with speed per hour display

Technical Field

The utility model belongs to the technical field of the bassinet, concretely relates to accuse in bassinet of area speed per hour demonstration.

Background

The children's toy car is composed of frame, power supply, pedals, central controller and power motor, and the pedals are stepped on by children, and the controller controls the power motor to start up to complete the turning, advancing and swinging of the children's toy car.

The bassinet central control among the prior art only can control the bassinet and move back and forth and play fixed music, and the function is single, and is interesting not enough, can not show the electric quantity and the speed of a motor vehicle to the bassinet, is difficult to satisfy children's user demand.

Therefore, a baby carrier central control with a speed per hour display, which can display the speed and the electric quantity of the vehicle, can be connected with external equipment through Bluetooth to play music and other functions, and can improve interestingness and practicability, needs to be designed to solve the technical problem faced at present.

Disclosure of Invention

To exist not enough among the prior art, the utility model provides a have and show speed of a motor vehicle, electric quantity, connect multiple functions such as external equipment broadcast music through the bluetooth, promote the bassinet of the speed per hour demonstration of interest and practicality and control.

The technical scheme of the utility model is that: the baby carriage central control with speed per hour display comprises: a Bluetooth chip; the power supply circuit is connected with a power supply and used for supplying power to the central control of the baby carrier; the electric quantity display circuit is connected with the power supply and is used for displaying the residual electric quantity of the power supply; the switch circuit is connected with the Bluetooth chip and is used for controlling the central control of the baby carrier to enter a power-off state from a power-on state or enter the power-on state from the power-off state; the key circuit is connected with the Bluetooth chip and used for inputting a control signal to the Bluetooth chip; the LED display circuit is connected with the Bluetooth chip and is used for displaying the speed of the baby carriage; the mode switching circuit is connected with the Bluetooth chip and is used for outputting different motion control instructions; the audio input circuit is connected with the Bluetooth chip and is used for acquiring audio signals; and the audio output circuit is connected with the Bluetooth chip and is used for outputting audio signals.

The power circuit has a DC power converter chip.

The electric quantity display circuit is provided with four five resistors which are connected in series, wherein an LED is connected in parallel in the four resistors.

The key circuit is provided with at least six switches connected with the Bluetooth chip.

The mode switching circuit is provided with three switching circuits which are respectively connected with the Bluetooth chip.

The audio output circuit is provided with a power amplifier chip and a loudspeaker.

The bassinet of area speed per hour demonstration accuse still includes: and the lamplight output circuit is connected with the Bluetooth chip.

The light output circuit is provided with a first light switch circuit and a second light switch circuit.

The bassinet of area speed per hour demonstration accuse still includes: the USB interface is connected with the Bluetooth chip and is used for exchanging data with other external equipment; and the storage circuit is connected with the Bluetooth chip and used for storing data.

The storage circuit is provided with a storage chip.

The utility model has the advantages that: the utility model discloses in can be connected with external equipment through the bluetooth chip and carry out the music broadcast, increase interestingly, can show the electric quantity of power through electric quantity display circuit connection power simultaneously, remind the user in time to charge, improve the practicality, in addition, LED display circuit can show the functioning speed of bassinet, makes the speed condition of children's understanding bassinet that can audio-visual, has further richened interesting and practicality.

Drawings

Fig. 1 is a schematic block diagram of the central control of the baby carriage with an hour speed display of the present invention.

Fig. 2 is the circuit schematic diagram of the middle bluetooth chip of the utility model.

Fig. 3 is a schematic circuit diagram of the power supply circuit of the present invention.

Fig. 4 is a schematic circuit diagram of the medium power display circuit of the present invention.

Fig. 5 is a schematic circuit diagram of the power on/off circuit of the present invention.

Fig. 6 is a schematic circuit diagram of the middle key circuit of the present invention.

Fig. 7 is a schematic circuit diagram of the LED display circuit of the present invention.

Fig. 8 is a schematic circuit diagram of the mode switching circuit according to the present invention.

Fig. 9 is a schematic circuit diagram of the middle audio output circuit of the present invention.

Fig. 10 is a schematic circuit diagram of the middle audio input circuit of the present invention.

Fig. 11 is a schematic circuit diagram of the first light switch circuit of the present invention.

Fig. 12 is a schematic circuit diagram of a second light switch circuit according to the present invention.

Fig. 13 is a schematic circuit diagram of the memory circuit according to the present invention.

Detailed Description

The following describes the embodiments of the present invention with reference to the drawings and examples.

As shown in fig. 1, the center control of the baby carriage with a speed per hour display comprises: a Bluetooth chip; the power circuit is connected with the power supply and used for supplying power to the central control of the baby carrier; the power display circuit is connected with a power supply and is used for displaying the residual power of the power supply, wherein the power supply is a lithium battery outputting DC 12V; the switch circuit is connected with the Bluetooth chip and used for controlling the central control of the baby carrier to enter a power-off state from a power-on state or enter the power-on state from the power-off state, the switch circuit is provided with a switch AN1, and the switch AN1 is pressed for a long time to control the central control of the baby carrier to enter the power-off state from the power-on state or enter the power-on state from the power-off state; the key circuit is connected with the Bluetooth chip and is used for inputting a control signal to the Bluetooth chip; the LED display circuit is connected with the Bluetooth chip and is used for displaying the speed of the baby carriage; the mode switching circuit is connected with the Bluetooth chip and used for outputting different motion control instructions, is in communication connection with an external motion controller, and switches three control states of the motion controller according to the three different output states, namely forward, backward and swing; the audio input circuit is connected with the Bluetooth chip and is used for acquiring audio signals; the audio output circuit is connected with the Bluetooth chip and is used for outputting audio signals; in the embodiment, the Bluetooth chip can be connected with external equipment to play music, so that interestingness is increased, meanwhile, the power supply is connected with the power supply through the power display circuit to display the power of the power supply, a user is reminded of charging in time, and practicability is improved; specifically, the maximum speed of the baby carriage during running is fixed, the acceleration process of the baby carriage is linear, the speed of the baby carriage can be estimated by calculating the forward time of the baby carriage, the LEDs for indicating the speed are sequentially lightened according to the forward or backward time of the baby carriage, the LEDs for keeping all the indicated speeds are normally lightened at the maximum speed, or the speed of the motion controller can be obtained, and the obtained speed value is converted into the number of the lightened LEDs for displaying.

As shown in fig. 2, a crystal oscillator Y1 of 24MHz is connected in series between BT _ OSCO and BT _ OSCI pins of the bluetooth chip.

As shown in fig. 3, the power circuit has a DC power converter chip, the DC power converter chip is an XL1410 converter chip, DC12V output by the power VMCU is rectified, filtered, and then connected to the XL1410 converter chip, and is stepped down to DC5V to supply power to the bluetooth chip and the like.

As shown in fig. 4, the power display circuit has four five resistors connected in series, wherein each of the four resistors is connected in parallel with one LED, and the five resistors connected in series are respectively a resistor R21, a resistor R22, a resistor R23, a resistor R24 and a resistor R25, wherein the resistor R21 is connected in parallel with an LED14, the resistor R22 is connected in parallel with an LED15, the resistor R23 is connected in parallel with an LED16, and the resistor R24 is connected in parallel with an LED 17.

As shown in fig. 5, the switching circuit has a schottky diode D3, the schottky diode D3 is connected to the PAC3 pin of the bluetooth chip, the resistor R12 and the switch AN1, the long press of AN1 can control the control of the stroller from the power-on state to the power-off state or from the power-off state to the power-on state, the short press of AN1 can control the sound playing or pausing, and more specifically, the model of the schottky diode D3 is BAT 754C.

As shown in fig. 6, the key circuit has at least six switches connected to the bluetooth chip, and in this embodiment, the key circuit has six switches, which are respectively a switch AN2, a switch AN3, a 4, a switch AN5, a switch AN6, and a switch AN7, functions of the six switches can be defined as required, for example, the switch AN2 can be used to switch a music next song, the switch AN3 can be used to switch a music previous song, the switch AN4 is used to switch a flashing speed of AN external lamp in the light output circuit, the switch AN5 is used to switch the stroller between a swing mode and AN operation mode, the switch AN6 is used to switch the stroller to a reverse mode in the operation mode, and the switch AN7 is used to switch the stroller to a forward mode in the operation mode.

As shown in fig. 7, the LED display circuit, in which LEDs 1 to 7 are used to indicate the speed of the stroller, the speed is increased from 0 to 6km/h for 3S while the pedal is depressed in the forward state in the operation mode, and LEDs 1 to 7 are turned on one by one for 3S while the pedal is depressed in the backward state in the operation mode, and the speed is increased from 0 to 3km/h for 3S while the pedal is depressed in the backward state in the operation mode, and LEDs 1 to 4 are turned on one by one for 3S to indicate the speed.

As shown in fig. 8, the mode switching circuit has three switching circuits, which are respectively connected to the bluetooth chip, wherein the three switching circuits are respectively a switching circuit having a transistor Q3, which is used for outputting a stroller forward signal; a switching circuit having a transistor Q4 for outputting a stroller back signal; a switching circuit having a transistor Q5 for outputting the stroller swing signal.

As shown in fig. 9, the audio output circuit has a power amplifier chip U3 and a speaker, wherein the power amplifier chip U3 is an 8002 power amplifier chip, and the audio output circuit can output a sound wave simulating acceleration of the vehicle when the vehicle is running, thereby further increasing the interest; as shown in fig. 10, the audio input circuit is connected to the MIC for collecting audio information.

The lamplight output circuit is connected with the Bluetooth chip; specifically, the light output circuit has a first light switch circuit as shown in fig. 11 and a second light switch circuit as shown in fig. 12, the first light switch circuit has a transistor Q7, the lamp of the stroller is connected to the P5 terminal, the flickering of the lamp can be controlled by controlling the output pulse of the bluetooth chip, and the second light switch circuit has a transistor Q6, which has the same control principle as the first light switch circuit.

In the above embodiment, the central control of the stroller with the speed per hour display further includes: the USB interface is connected with the Bluetooth chip and used for exchanging data with other external equipment, and the program of the Bluetooth chip can be modified through the USB interface; a storage circuit, as shown in fig. 13, connected to the bluetooth chip for data storage; the memory circuit is provided with a memory chip, and the memory chip is W25 QXX.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. Take accuse in bassinet of speed per hour demonstration, its characterized in that includes:

a Bluetooth chip;

the power supply circuit is connected with a power supply and used for supplying power to the central control of the baby carrier;

the electric quantity display circuit is connected with the power supply and is used for displaying the residual electric quantity of the power supply;

the switch circuit is connected with the Bluetooth chip and is used for controlling the central control of the baby carrier to enter a power-off state from a power-on state or enter the power-on state from the power-off state;

the key circuit is connected with the Bluetooth chip and used for inputting a control signal to the Bluetooth chip;

the LED display circuit is connected with the Bluetooth chip and is used for displaying the speed of the baby carriage;

the mode switching circuit is connected with the Bluetooth chip and is used for outputting different motion control instructions;

the audio input circuit is connected with the Bluetooth chip and is used for acquiring audio signals;

and the audio output circuit is connected with the Bluetooth chip and is used for outputting audio signals.

2. A stroller center control with a speed per hour display according to claim 1, wherein: the power circuit has a DC power converter chip.

3. A stroller center control with a speed per hour display according to claim 1, wherein: the electric quantity display circuit is provided with four five resistors which are connected in series, wherein an LED is connected in parallel in the four resistors.

4. A stroller center control with a speed per hour display according to claim 1, wherein: the key circuit is provided with at least six switches connected with the Bluetooth chip.

5. A stroller center control with a speed per hour display according to claim 1, wherein: the mode switching circuit is provided with three switching circuits which are respectively connected with the Bluetooth chip.

6. A stroller center control with a speed per hour display according to claim 1, wherein: the audio output circuit is provided with a power amplifier chip and a loudspeaker.

7. The stroller center control with a speed per hour display of claim 1, further comprising: and the lamplight output circuit is connected with the Bluetooth chip.

8. A stroller center control with a speed per hour display according to claim 7, wherein: the light output circuit is provided with a first light switch circuit and a second light switch circuit.

9. The stroller center control with a speed per hour display of claim 1, further comprising:

the USB interface is connected with the Bluetooth chip and is used for exchanging data with other external equipment;

and the storage circuit is connected with the Bluetooth chip and used for storing data.

10. A stroller center control with a speed per hour display according to claim 9, wherein: the storage circuit is provided with a storage chip.