Greeting card
Technical Field
The present utility model relates to greeting cards, and in particular to electronic greeting cards.
Background
Greeting cards are popular as a means of enhancing emotion, with the congratulation of the greeting cards being popular among friends and relatives or during holidays. The electronic greeting card can be a music greeting card controlled by a single chip microcomputer when the greeting card is opened along with music and light, such as a Chinese patent bulletin No. CN205130689U, and comprises a greeting card and a control circuit arranged in the greeting card, wherein the control circuit comprises a single chip microcomputer unit, a color lamp display unit, a music playing unit and an induction triggering unit, the color lamp display unit, the music playing unit and the induction triggering unit are respectively connected with the single chip microcomputer unit, the greeting card is provided with a window, and a color lamp in the color lamp display unit is exposed out of the window of the greeting card. The existing electronic greeting card has not much new meaning, basically plays music after opening the greeting card, and is accompanied by LED light flashing along with the music, so that the electronic greeting card is not lively enough, and cannot realize the interaction effect between people and the greeting card.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a greeting card, which can realize interaction between people and the greeting card and improve the interest of the greeting card.
The technical scheme includes that the greeting card comprises a folding main body and an acousto-optic playing circuit, wherein the folding main body comprises a front cover and a back cover which are connected in a folding mode, a scene modeling paperboard and a candle modeling paperboard are arranged between the front cover and the back cover, the acousto-optic playing circuit comprises a central processing unit, a power supply, a loudspeaker, a magnetic induction element, an air flow sensor, a candle LED lamp and the scene LED lamp, the power supply supplies power to the central processing unit, the magnetic induction element controls a central processing unit to switch, the air flow sensor outputs signals to the central processing unit, the central processing unit outputs signals to control the loudspeaker, the scene LED lamp and the candle LED lamp, the candle LED lamp is arranged on flame of the candle modeling paperboard, the air flow sensor is arranged on a body of the candle modeling paperboard, and the scene LED lamp can irradiate on the scene modeling paperboard. The utility model is characterized in that after the front cover and the back cover are opened, the scene modeling paper board and the candle modeling paper board are unfolded and presented in front of eyes to realize the impact of visual effect, meanwhile, the magnetic induction element sends a trigger signal to the central processing unit, the central processing unit controls the scene LED lamp and the candle LED lamp to be lightened, the scene LED lamp irradiates the scene modeling paper board to improve the visual effect of the scene, the candle LED lamp is used as the flame of the candle modeling to improve the vitality of the candle, the whole atmosphere is rendered and improved, after the air flow sensor on the candle modeling paper board is blown, the air flow sensor sends a signal to the central processing unit to realize the extinction of the candle LED lamp and the scene LED lamp and the playing of cheering, the interaction between people and greeting cards is realized, the scene of celebration of birthday in life is simulated more realistically, and the utility model has extremely strong interestingness and entertainment.
As an improvement, the inner side surface of the cover is provided with a firework modeling, and the sound-light playing circuit comprises a firework LED lamp arranged at the firework modeling position.
As an improvement, the scenery modeling paper board forms a three-dimensional space after being unfolded, and the scenery LED lamp is arranged in the three-dimensional space.
As an improvement, the acousto-optic playing circuit also comprises a recording device connected with the central processing unit.
Compared with the prior art, the utility model has the beneficial effects that:
The LED lamp of the scenery irradiates the scenery modeling paperboard, improves the visual effect of the scenery, takes the LED lamp of the candle as the flame of the candle modeling, improves the vitality of the candle, renders and improves the whole atmosphere, and sends a signal to the central processing unit after blowing against the airflow sensor on the candle modeling paperboard, so that the LED lamp of the candle and the LED lamp of the scenery are extinguished, and the LED lamp of the scenery is played along with cheering, so that the interaction between people and greeting cards is realized, the scene of celebration in the birthday in real life is simulated more realistically, and the scenery has extremely strong interestingness and entertainment.
Drawings
FIG. 1 is a schematic view of a greeting card after it has been opened.
Fig. 2 is a block diagram of an acousto-optic playing circuit.
Description of the embodiments
The utility model is further described below with reference to the drawings.
As shown in FIG. 1, a greeting card includes a folding body and an audible and visual playback circuit. The folding main body comprises a front cover 1 and a back cover 2 which are movably connected in a folding mode, a scene modeling paper board 3 and a candle modeling paper board 4 are arranged between the front cover 1 and the back cover 2, after the front cover 1 and the back cover 2 are unfolded, the scene modeling paper board 3 and the candle modeling paper board 4 can show three-dimensional sense, especially the scene modeling paper board 3, a three-dimensional space is formed after the scene modeling paper board 3 is unfolded, a firework model 5 is arranged on the inner side surface of the front cover 1, the firework model 5 comprises drawing and hollowed-out holes, and the combination of the firework model 5, the scene modeling paper board 3 and the candle modeling paper board 4 has layering sense and has celebration atmosphere.
As shown in fig. 1 and 2, the acousto-optic playing circuit comprises a central processing unit, a power supply, a loudspeaker, a magnetic induction element, an air flow sensor 8, a firework LED lamp 9, a candle LED lamp 7 and a scenery LED lamp 6. The power supplies power to the central processing unit, the magnetic induction element controls the central processing unit to switch, the air flow sensor 8 outputs signals to the central processing unit, and the central processing unit outputs signals to control the loudspeaker, the firework LED lamp 9, the scenery LED lamp 6 and the candle LED lamp 7. The magnetic induction element is a Hall element, the central processing unit is a singlechip, and the power supply is a button cell. The candle LED lamp 7 is arranged on the flame of the candle modeling paper board 4, the air flow sensor 8 is arranged on the body of the candle modeling paper board 4, the candle LED lamp 7 and the air flow sensor 8 are designed in a hidden mode, the candle LED lamp 7 emits yellow light after being lightened, the real candle flame is simulated, the air flow sensor 8 is arranged below the flame, the candle modeling paper board 4 is provided with a through hole exposing the air flow sensor 8, and the air flow sensor 8 can be triggered to close the candle LED lamp 7 after the candle blows, so that the scene of blowing the candle is simulated. The scenery LED lamp 6 is arranged on the front cover 1 or the back cover 2, and specifically is arranged according to the shape of the scenery modeling paper board 3, generally, the scenery LED lamp 6 is arranged in a three-dimensional space formed by unfolding the scenery modeling paper board 3, light energy of the scenery LED lamp 6 irradiates the scenery modeling paper board 3, and the scenery LED lamp 6 is a color lamp and has a flashing function, so that the scenery modeling paper board 3 is better in rendering effect. The firework LED lamp 9 is arranged in the cover 1, and the light of the firework LED lamp 9 can be emitted through the hollowed-out hole of the firework modeling 5, and the firework LED lamp 9 is a color lamp and has a flickering function, so that the firework modeling 5 is more vivid. The sound-light playing circuit also comprises a recording device connected with the central processing unit, wherein the recording device can be a microphone or a data transmission interface connected with the central processing unit, and can record congratulatory words into the central processing unit in advance and play the recording according to scene program settings.
The utility model is based on the principle that after a cover 1 and a back cover 2 are opened, a scene modeling paper board 3 and a candle modeling paper board 4 are unfolded and presented in front of eyes to realize the impact of visual effects, meanwhile, a magnetic induction element sends a trigger signal to a central processing unit, the central processing unit controls a scene LED lamp 6 and a candle LED lamp 7 to be lightened, the scene LED lamp 6 irradiates the scene modeling paper board 3 to improve the visual effects of the scene, the candle LED lamp 7 is used as the flame of the candle modeling, the vitality of the candle is improved, the whole atmosphere is rendered and improved, after the air flow sensor 8 on the candle modeling paper board 4 is blown, the air flow sensor 8 sends a signal to the central processing unit to realize the extinction of the candle LED lamp 7 and the scene LED lamp 6 and the playing of the accompanying cheering sounds, the interaction between people and greeting cards is realized, the scene of birthday celebration in real life is simulated more realistically, and the scene of celebration is extremely fun and entertainment.