CN203689918U - Sound recording control circuit and sound recording box assembly - Google Patents
Sound recording control circuit and sound recording box assembly Download PDFInfo
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- CN203689918U CN203689918U CN201420081811.4U CN201420081811U CN203689918U CN 203689918 U CN203689918 U CN 203689918U CN 201420081811 U CN201420081811 U CN 201420081811U CN 203689918 U CN203689918 U CN 203689918U
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Abstract
The utility model discloses a sound recording control circuit and a sound recording box assembly. The sound recording control circuit comprises a power supply, a power supply control unit, a main control chip, a sound recording/playing control key, a sound recording unit and a sound playing unit, wherein the power supply control unit is electrically connected with the power supply; the main control chip is electrically connected with the power supply control unit; the sound recording/playing control key is connected with the main control chip, is pressed for a long time to output a sound recording signal, and is pressed for a short time to output a sound playing signal; the sound recording unit is connected with the main control chip and is used for starting to record a sound after the sound recording signal is received; and the sound playing unit is connected with the main control chip and is used for starting to play the sound after the sound playing signal is received. The sound recording control circuit is reasonable and simple in design, and requirements for miniaturization of a sound recording box body are met favorably, so that the sound recording box body can be widely applied to various types and various sizes of toys such as stuffed toys, intelligence inspiring toys, music toys, remote control toys and early education toys, and the toys have sound recording and playing functions, are very interesting to children, and are beneficial to developing intelligence of the children.
Description
Technical field
The utility model relates to recording device technical field, more particularly, relates to a kind of recording control circuit; Also relate to a kind of recording box assembly of applying described recording control circuit.
Background technology
Traditional down toy function singleness, some down toys can not move, and only have sight, and do not have motility, can not better meet the needs of child's intelligent development, although some down toys can do some fairly simple action, move single, complex structure, lack interest lower, do not there is the shortcoming of the functions such as recording, playback, and control difficulty, can not well cause child's interest.
And there is recording and the toy of player function, need to install one in interior and have and record and the recording box of player function.But, because existing recording control circuit is comparatively complicated, not only cause recording box manufacturing cost high, also cause recording box volume large, required installing space is large, can not meet the demand of some miniaturization toys.And existing recording control circuit, its recording and player function unstable, serious impact the quality of toy.
Utility model content
The purpose of this utility model is to overcome above-mentioned defect in prior art: provide a kind of reasonable in design, simple, sound-recording function and player function are stable, psycho-acoustical quality is good, and be very beneficial for recording box and realize Miniaturization Design more, reduce the recording control circuit of the required assembling space of recording box.
Another object of the utility model is to overcome above-mentioned defect in prior art: a kind of recording box assembly that adopts described recording control circuit is provided.
The purpose of this utility model can be by taking following technical scheme to reach:
A kind of recording control circuit is provided, comprises the power supply for powering, also comprise:
The power control unit being electrically connected with power supply;
The main control chip being electrically connected with power control unit;
Be connected with main control chip, export recorded audio signals long on time, and at short recording/playback control button of exporting playback signal on time;
Be connected with main control chip, in the time receiving described recorded audio signals, start the recording unit of recording; And
Be connected with main control chip, in the time receiving described playback signal, start the playback unit of playback.
Furthermore, described power control unit comprises that input end connects the step-down chip of the power input of power supply, output terminal connection main control chip, node between this step-down chip and power supply is by the first capacity earth, and the node between step-down chip and the power input of main control chip is by the second capacity earth.
Furthermore, described recording unit comprises microphone, the first resistance, the second resistance, the 3rd resistance, the 4th electric capacity, the 5th electric capacity and the 6th electric capacity, wherein, described microphone one end is connected with main control chip by the 4th electric capacity, node between the 4th electric capacity and microphone is by the first resistance eutral grounding, the other end of microphone is connected with main control chip by the 5th electric capacity, node between described the 5th electric capacity and microphone is received on main control chip by the second resistance and the 3rd resistance chain successively, node between the second resistance and the 3rd resistance is by the 6th capacity earth.
Furthermore, described playback unit comprises the 7th electric capacity, the 8th electric capacity, the 9th electric capacity, the 4th resistance, the 5th resistance and loudspeaker, wherein, the 7th described electric capacity one end connects main control chip, the other end is connected on main control chip by the 4th resistance, the 5th resistance and the 9th electric capacity successively, after described the 5th resistance two ends access in parallel the 8th electric capacity, be connected respectively on main control chip, the two ends of described loudspeaker are connected respectively on main control chip.
Furthermore, be also circumscribed with the first decoupling capacitor, the second decoupling capacitor, the 3rd decoupling capacitor, the 4th decoupling capacitor and the 5th decoupling capacitor on described main control chip, the reset terminal of this main control chip connects the 3rd electric capacity.
A kind of recording box assembly is provided, comprises recording box body, be electrically connected with recording box body for carrying the battery case of battery, described recording box assembly also comprises described recording control circuit.
Compared with prior art the beneficial effects of the utility model are: recording control circuit of the present utility model, sound-recording function and player function are stable, and psycho-acoustical quality is good, and reasonable in design, simple, can be widely used in recording box, and effectively reduce the manufacturing cost of recording box; Be very beneficial for recording box simultaneously and realize Miniaturization Design more, can greatly reduce the required assembling space of recording box.
On recording box assembly described in the utility model, apply described recording control circuit, make recording box body very small and exquisite, can be widely used in as down toy, Intelligent toy, musical toy, remote-control toy, early teach on the toy of the multiple types such as toy and many sizes, make toy there is recording and player function, can well cause child's interest, and be of value to children intelligence development.
Below in conjunction with drawings and Examples, a kind of recording control circuit described in the utility model and recording box assembly are described further:
Accompanying drawing explanation
Fig. 1 is the theory diagram of a kind of recording control circuit of the utility model;
Fig. 2 is the partial circuit schematic diagram of a kind of recording control circuit of the utility model;
Fig. 3 is the power control unit circuit theory diagrams of a kind of recording control circuit of the utility model;
Fig. 4 is the structural representation of the utility model recording box assembly.
Embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.
More details are set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection domain of the present utility model is not subject to the restriction of following public specific embodiment.
Embodiment 1
The utility model embodiment 1 provides a kind of recording control circuit, and as shown in Figure 1, Figure 2 and Figure 3, this recording control circuit comprises the power supply for powering, and also comprises:
The power control unit 10 being electrically connected with power supply, this power control unit 10 is for the size of control inputs voltage;
The main control chip IC1 being electrically connected with power control unit 10;
IC1 is connected with main control chip, exports recorded audio signals, at the short recording/playback control button S1 that exports playback signal on time long on time;
IC1 is connected with main control chip, starts the recording unit 11 of recording in the time receiving described recorded audio signals; And
IC1 is connected with main control chip, starts the playback unit 12 of playback in the time receiving described playback signal.
Apparently, the audio file that described recording unit 11 has been recorded is kept in main control chip IC1.As preferred, described main control chip IC1 adopts the audio process that model is H7A36QP to realize in the present embodiment.
With reference to Fig. 3, furthermore, described power control unit 10 comprises that input end connects the step-down chip IC 2 of the power input of power supply, output terminal connection main control chip IC1, node between this step-down chip IC 2 and power supply is by the first capacitor C 1 ground connection, and the node between step-down chip IC 2 and the power input of main control chip IC1 is by the second capacitor C 2 ground connection.
As shown in Figure 2, furthermore, described recording unit 11 comprises microphone 111, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th capacitor C 11, the 5th capacitor C 12 and the 6th capacitor C 13, wherein, described microphone 111 one end are connected with main control chip IC1 by the 4th capacitor C 11, node between the 4th capacitor C 11 and microphone 111 is by the first resistance R 1 ground connection, the other end of microphone 111 is connected with main control chip IC1 by the 5th capacitor C 12, node between described the 5th capacitor C 12 and microphone 111 is linked on main control chip IC1 by the second resistance R 2 and the 3rd resistance R 3 successively, node between the second resistance R 2 and the 3rd resistance R 3 is by the 6th capacitor C 13 ground connection.
In the present embodiment, further particularly, described microphone 111 one end by the 4th capacitor C 11 be connected with the MIC_N pin of main control chip IC1, the other end pass through the 5th capacitor C 12 be connected with the MIC_P pin of main control chip IC1; Node between described the 5th capacitor C 12 and microphone 111 is linked to the P23 pin of main control chip IC1 successively by the second resistance R 2 and the 3rd resistance R 3, with thinking that microphone provides working power.
As shown in Figure 2, furthermore, described playback unit 12 comprises the 7th capacitor C 15, the 8th capacitor C 16, the 9th capacitor C 17, the 4th resistance R 4, the 5th resistance R 5 and loudspeaker 121, wherein, the 7th described capacitor C 15 one end connect main control chip IC1, the other end is connected on main control chip IC1 by the 4th resistance R 4, the 5th resistance R 5 and the 9th capacitor C 17 successively, after described the 5th resistance R 5 two ends access in parallel the 8th capacitor C 16, be connected respectively to main control chip IC1 upper, described loudspeaker 121 two ends are connected respectively on main control chip IC1.
In the present embodiment, more particularly, the 7th described capacitor C 15 one end connect the L_DAC pin of main control chip IC1, the other end is connected to main control chip IC1 successively AMP_IN pin by the 4th resistance R 4, the 5th resistance R 5 and the 9th capacitor C 17; After the 5th described resistance R 5 two ends access in parallel the 8th capacitor C 16, be connected respectively to EQ_I, the EQ_O pin of main control chip IC1; SPK_N pin, the other end that described loudspeaker 121 one end are connected to main control chip IC1 is connected to the SPK_P pin of main control chip IC1; And on main control chip IC1, be also circumscribed with the tenth capacitor C the 10 and the 11 capacitor C 8.
With reference to Fig. 2, furthermore, on described main control chip IC1, be also circumscribed with the first decoupling capacitor C3, the second decoupling capacitor C5, the 3rd decoupling capacitor C6, the 4th decoupling capacitor C7 and the 5th decoupling capacitor C14, the reset terminal of this main control chip IC1 connects the 3rd capacitor C 4.More specifically, the VPP pin of described main control chip IC1 is connected with the output terminal of power control unit 10 by the 6th resistance R 6, node between the 6th resistance R 6 and the output terminal of power control unit 10 is connected to the common port of the 3rd decoupling capacitor C and the 4th decoupling capacitor C7, and the common port of the 3rd described decoupling capacitor C and the 4th decoupling capacitor C7 is also connected on one of them AVCC pin of main control chip IC1; Node between described the 5th decoupling capacitor C14 and main control chip IC1 is connected to the output terminal of power control unit 10 by the 7th resistance R 7.
A kind of recording control circuit described in the utility model, it can be widely used in the recording box of each type toy.With reference to Fig. 1, Fig. 2 and Fig. 3, due to recording control circuit of the present utility model, its sound-recording function and player function are stable, and psycho-acoustical quality is good, and reasonable in design, simple, can effectively reduce the manufacturing cost of recording box; Be very beneficial for recording box simultaneously and realize Miniaturization Design more, can greatly reduce the required assembling space of recording box.
Recording control circuit described in the utility model, after closed electrical source switch normally powers on, can be recorded by recording/playback control button S1 by long.Concrete principle of work and process are: be communicated with power supply main control chip IC1 is normally powered on, now, send to control circuit after a sound of " ticking " by recording/playback control button S1 if long, illustrate at the recorded audio signals of recording/playback control button S1 output and received by main control chip IC1, main control chip IC1 controls recording unit 11 and can record, now user records, until arrive predetermined record length threshold values, recording control circuit sends after " ticking " sound again, main control chip IC1 controls recording unit 11 and stops recording, wherein, in the present embodiment, described record length threshold values is 5.5 seconds.In addition, before arriving record length threshold values, if unclamp recording/playback control button S1, now recording/playback control button S1 can export and stop recorded audio signals, and this stops recorded audio signals and can be received by main control chip IC1 and control the unit of recording and stop recording.And record the audio file autostore obtaining in main control chip IC1.If again record, the audio file that the so current audio file of recording is once recorded before can automatically substituting.
When playback, only need short recording/playback control button S1 that clicks, the playback signal of now recording/playback control button S1 output can be received by main control chip IC1, and main control chip IC1 controls described playback unit 12 and plays the last audio file of recording.Manipulate very simply, be applied on intelligent toy, can make intelligent toy interest pure.
The utility model embodiment 2 provides a kind of recording box assembly of applying described recording control circuit, this recording box assembly can be widely used in as down toy, Intelligent toy, musical toy, remote-control toy, early teach on each type toys such as toy, make toy there is recording and player function, can well cause child's interest, and be of value to children intelligence development.
With reference to Fig. 4, recording box assembly described in the utility model comprises recording box body 20, be electrically connected with recording box body 20 for carrying the battery case 21 of battery, described recording box assembly also comprises described recording control circuit.As shown in Figure 4, the recording/playback control button S1 in recording control circuit is external in recording box body 20 outsides by power lead, so that control recording and playback for user; On described battery case 21, be provided with one for controlling the toggle switch of on/off.
New 200 points of the recording box bodies of this practicality are small and exquisite, and required installing space is little, can be applied on the toy of sizes, practical.
It should be noted that, all technical characterictics of the recording control circuit described in the present embodiment are identical with embodiment 1, do not repeating at this.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (6)
1. a recording control circuit, comprises the power supply for powering, and it is characterized in that, also comprises:
The power control unit (10) being electrically connected with power supply;
The main control chip (IC1) being electrically connected with power control unit (10);
Be connected with main control chip (IC1), export recorded audio signals long on time, and at short recording/playback control button (S1) of exporting playback signal on time;
Be connected with main control chip (IC1), in the time receiving described recorded audio signals, start the recording unit (11) of recording; And
Be connected with main control chip (IC1), in the time receiving described playback signal, start the playback unit (12) of playback.
2. recording control circuit according to claim 1, it is characterized in that, described power control unit (10) comprises that input end connects the step-down chip (IC2) of the power input of power supply, output terminal connection main control chip (IC1), node between this step-down chip (IC2) and power supply is by the first electric capacity (C1) ground connection, and the node between step-down chip (IC2) and the power input of main control chip (IC1) is by the second electric capacity (C2) ground connection.
3. recording control circuit according to claim 1, it is characterized in that, described recording unit (11) comprises microphone (111), the first resistance (R1), the second resistance (R2), the 3rd resistance (R3), the 4th electric capacity (C11), the 5th electric capacity (C12) and the 6th electric capacity (C13), wherein, described microphone (111) one end is connected with main control chip (IC1) by the 4th electric capacity (C11), node between the 4th electric capacity (C11) and microphone (111) is by the first resistance (R1) ground connection, the other end of microphone (111) is connected with main control chip (IC1) by the 5th electric capacity (C12), node between described the 5th electric capacity (C12) and microphone (111) is linked on main control chip (IC1) by the second resistance (R2) and the 3rd resistance (R3) successively, node between the second resistance (R2) and the 3rd resistance (R3) is by the 6th electric capacity (C13) ground connection.
4. recording control circuit according to claim 1, it is characterized in that, described playback unit (12) comprises the 7th electric capacity (C15), the 8th electric capacity (C16), the 9th electric capacity (C17), the 4th resistance (R4), the 5th resistance (R5) and loudspeaker (121), wherein, the 7th described electric capacity (C15) one end connects main control chip (IC1), the other end is successively by the 4th resistance (R4), the 5th resistance (R5) and the 9th electric capacity (C17) are connected on main control chip (IC1), after described the 5th resistance (R5) two ends access in parallel the 8th electric capacity (C16), be connected respectively on main control chip (IC1), the two ends of described loudspeaker (121) are connected respectively on main control chip (IC1).
5. recording control circuit according to claim 1, it is characterized in that, on described main control chip (IC1), be also circumscribed with the first decoupling capacitor (C3), the second decoupling capacitor (C5), the 3rd decoupling capacitor (C6), the 4th decoupling capacitor (C7) and the 5th decoupling capacitor (C14), the reset terminal of this main control chip (IC1) connects the 3rd electric capacity (C4).
6. a recording box assembly, it is characterized in that, comprise recording box body (20), be electrically connected with recording box body (20) for carrying the battery case (21) of battery, described recording box assembly also comprises the recording control circuit described in any one in claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081811.4U CN203689918U (en) | 2014-02-25 | 2014-02-25 | Sound recording control circuit and sound recording box assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081811.4U CN203689918U (en) | 2014-02-25 | 2014-02-25 | Sound recording control circuit and sound recording box assembly |
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| Publication Number | Publication Date |
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| CN203689918U true CN203689918U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420081811.4U Expired - Fee Related CN203689918U (en) | 2014-02-25 | 2014-02-25 | Sound recording control circuit and sound recording box assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110930777A (en) * | 2019-12-19 | 2020-03-27 | 北京中诚博睿教育科技有限公司 | Electronic recorder teaching aid for children intelligence development |
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2014
- 2014-02-25 CN CN201420081811.4U patent/CN203689918U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110930777A (en) * | 2019-12-19 | 2020-03-27 | 北京中诚博睿教育科技有限公司 | Electronic recorder teaching aid for children intelligence development |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20150225 |
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| EXPY | Termination of patent right or utility model |