RU2691909C1 - Talking doll - Google Patents

Abstract

FIELD: games.

SUBSTANCE: invention relates to meeting human vital needs, namely to production of dolls with electronic systems, allowing to communicate with a person recorded in memory of sound synthesizer or microcontroller with words and phrases. Disadvantage of all known technical solutions is absence of doll reaction to ambient temperature. Presence of such a reaction increases the attractiveness of the doll for a child. Set goal is achieved due to that in electronic circuit of doll containing microcontroller and connected to it sound radiator, additionally included are a heating element and a first temperature sensor, arranged together with the inner housing of the doll body, a second temperature sensor located outside the housing directly opposite the first temperature sensor, and a third temperature sensor – on the outer side of the doll body in a region remote from the first two temperature sensors, wherein all temperature sensors and the heating element are connected to the microcontroller.

EFFECT: doll reaction to ambient temperature.

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Description

The invention relates to the field of satisfaction of vital human needs, namely the production of dolls with electronic systems that allow you to communicate with a person recorded in the memory of a sound synthesizer or microcontroller with words and phrases.

For example, the doll according to US Pat. No. 5,795,213, IPC А63Н 3/28, 08/18/1998 contains an electronic memory, a device for reproducing sound and an electromechanical drive of limbs. In the hands of the doll is a book. When you click on the control buttons, the doll turns the pages and reads the child’s literary text.

Known dolls containing a microcontroller with a memory in which a set of voice messages and a speaker are recorded that ensures their pronunciation; these dolls create the effect of communicating with the child. Interactive dolls contain microcontrollers, infrared radiation transceivers, microphones and speakers (US patent 6089942, IPC А63Н 29/10, 07/18/2000) and electromechanical elements. They exchange pre-recorded dialogues, while they change the position of the eyeballs, move lips. In accordance with US patent 8506343, IPC А63Н 30/00, August 13, 2013, the possibility of reprogramming the doll from external control devices is additionally provided. To exclude the impact of the sound of the toy's dynamics on its microphone, the electronic device, according to the patent of the Russian Federation 2218202, IPC А63Н 3/28, 10.12.2003, introduced a delay device controlled from the processor and a key interrupting the circuit from the microphone to the processor. In order to replenish the vocabulary of the doll, it, according to the patent of the Russian Federation 2209651, А63Н 3/28, 10.08.2003, is supplemented with receivers of a television or radio channel.

The disadvantage of all the above solutions is the lack of reaction of the doll to the surrounding temperature. The presence of such a reaction increases the interest of the doll for the child.

The closest in technical essence to the patented solution is a doll containing a speech synthesizer (microcontroller), a speaker and buttons on different parts of the body (US 5376038, IPC А63Н 3/28, 12.27.1994). When you click on the corresponding button, the doll pronounces the name of the part of the body on which it is installed.

The aim of the invention is to ensure the reaction of the doll to the ambient temperature.

This goal is achieved by the fact that in the electronic circuit of the doll containing a microcontroller and a sound emitter associated with it, a heating element and a first temperature sensor are added, located along the inside of the doll body, a second temperature sensor located outside the body directly opposite the first temperature sensor and the third temperature sensor is on the outside of the doll body in an area remote from the first two temperature sensors, all of which are temperature sensors and a heating element are connected to the microcontroller.

The figure shows the head and part of the body of the talking doll, sufficient to explain the patented solution; the remaining parts of the body of the doll are conventionally not shown.

On the back of the doll 1 on the inner side there is the first temperature sensor 2 and with it the heating element 3; opposite the first temperature sensor 2 is located the second temperature sensor 4, and at some distance (determined by the absence of the thermal field of the heater 3; practically this distance is 4-5 mm) the third temperature sensor 5 is installed. At the head of the doll there is a sound emitter 6, however it can be located in any other convenient place. All of the above devices are connected to the microcontroller 7.

The power source, power button, input for reprogramming the microcontroller and other auxiliary elements in the figure are conventionally not shown.

To simplify the electronic circuit of the doll, it is desirable to use a microcontroller 7 with low power consumption and having in its composition:

- ADC with a switch for serial connection of signals from three temperature sensors to it;

- timer for generating pulse-width modulated (PWM) signals of controlled heating of the heater 3;

- non-volatile memory for recording phrases uttered by the doll;

- D / A converter for converting the digital form of recorded phrases into an analog signal applied to the sound emitter 6.

Such microcontrollers are commercially available, for example, the STM32L052C6T6 microcontroller can be used. Platinum resistance thermometers manufactured by Heraeus Sensor Technology type LN 222 (dimensions 2.3 × 2.1 mm) or in the SMD 0805 package article 33208569 (dimensions 2.0 × 1.2 mm) can be used as temperature sensors. The heating element 3 can be a SMD 0805 printed-circuit board resistor (2.0 × 1.2 mm in size).

The electronic circuit of the doll works as follows. Prior to operation, the microprocessor’s memory stores the temperatures of the response of the sensors, heaters and the playback order of the phrases recorded in the memory. For definiteness, let us assume that temperature thresholds of 13 ° C and 5 ° C and the corresponding phrases are entered in the memory of the microcontroller (for example: “Something became cold, it would be good to wear a dress”, “Well, cold, you need to wear a coat”, "It became warm, let's remove the coat", "It became hot, let's remove the dress").

In the process of playing with a doll, i.e. in the operating mode of the electronic circuit, the measurement signal from the third temperature sensor 5 is constantly fed to the input of the microcontroller 7 and, converted into a digital code, is compared with stored temperature threshold values. If the temperature is above the threshold (in our case it is 13 ° C), then the doll does not utter any phrases. When the ambient temperature (and the temperature of the doll's body) drops below 13 ° C, microcontroller 7 gives the command to play the corresponding phrase through the sound emitter 6. The doll starts saying the phrase “Something has become cold, it would be good to wear a dress”.

At the same time, the microcontroller 7 switches on the supply of the PWM current to the heating element 3. Local heating in the area of the first temperature sensor 2 leads to an increase in its temperature and through the microcontroller 7 it regulates the PWM signal of the heater 3 so that it does not exceed the temperature of the third sensor 5 by 2 ° С . This mode provides the minimum power consumption of the power source for heating.

Two thermal processes operate on the second temperature sensor 4: due to heat transfer through the doll body, the temperature of the sensor rises, and due to heat exchange with the environment - decreases. As a result, the second sensor 4 acquires a temperature above ambient, but lower than the first sensor 2. For example, the ambient temperature is 12 ° C, the temperature of the first sensor 2 is 14 ° C, the temperature of the second sensor 4 (due to heat transfer to the environment) is 12.8 ° s The doll continues to utter a phrase about clothes. If you put a dress on the doll, the heat transfer to the external environment decreases, the temperature of the second temperature sensor 4 rises, for example, to 13.5 ° C (the thresholds are set individually depending on the specific parameters of the doll), the microcontroller stops the flow of sound information.

If the doll is brought into a warm room, then the third temperature sensor 5 will show that the ambient temperature is above 13 ° C, for example, 15 ° C. The microcontroller will give a command to the heater to raise the temperature of the first sensor 2 to 17 ° C (the temperature control process continues), the temperature of the second sensor 4 will rise to 16.5 ° C. Play of the phrase “It’s hot, let's remove the dress.” If the dress from the doll is removed, the temperature of the second sensor 4 will decrease (due to the growth of heat exchange with the environment) to 15.5 ° C, the microcontroller interrupts the sound signal and turns off the heater 3.

Similar to the above, the scheme will work when the temperature drops below the second threshold of 5 ° C.

The location of the temperature sensors and the heater are rather arbitrary, but two conditions must be met:

- When dressing the dolls, the first and second sensors should be under clothes; it is advisable, therefore, to place the sensors on the back or chest of the doll.

- The third temperature sensor should be placed outside the zone of heat flow of the heater and preferably on those parts of the body of the doll that will not be covered with clothing. The latter condition reduces the time to establish thermal equilibrium of the sensor with the environment. Therefore, the location of the third sensor can be the bottom of the body, legs or neck of the doll.

The circuit of the doll can be modified using the first temperature sensor as a heating element and the source of the measuring signal. In this case, it is rational to apply a microcontroller with two DAC channels, for example, STM32L072RBT6. One channel of the D / A converter will generate analog audio signals, and the second - the analog current supplying the first temperature sensor.

Claims (2)

1. A talking doll, the electronic circuit of which contains a microcontroller and a sound emitter associated with it, characterized in that a heating element and a first temperature sensor are added to the circuit, located along the inside of the doll body, a second temperature sensor located outside the body directly opposite the first temperature sensor, and the third temperature sensor - from the outside of the doll body in an area remote from the first two temperature sensors, all of which are temperature sensors and a heating element ent connected to a microcontroller. 2. The talking doll according to Claim. 1, characterized in that the first temperature sensor is simultaneously a heating element.

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