CN204946236U - There is the sound-controlled apparatus of auto-alarm function - Google Patents
There is the sound-controlled apparatus of auto-alarm function Download PDFInfo
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- CN204946236U CN204946236U CN201520612810.2U CN201520612810U CN204946236U CN 204946236 U CN204946236 U CN 204946236U CN 201520612810 U CN201520612810 U CN 201520612810U CN 204946236 U CN204946236 U CN 204946236U
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- shell
- voice
- sound
- control alarm
- circuit board
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Abstract
This patent application discloses a kind of sound-controlled apparatus with auto-alarm function, belong to safety-security area.There is the sound-controlled apparatus of auto-alarm function, the base plate comprising shell and removably connect with shell, the sidewall of described shell is provided with multiple downward hole, voice-control alarm circuit board is provided with in described shell, described voice-control alarm welding circuit board, on described base plate, described base plate is provided with multiple mounting hole on the circumferential position of shell; Described voice-control alarm circuit board is one side pcb board, and the voice-control alarm circuit on described voice-control alarm circuit board comprises acoustic-electric converter amplifier circuit and controls warning circuit.This patent inductive effects can be recycled well, again the little low price of volume.
Description
Technical field
The utility model relates to safety-security area, is specifically related to a kind of sound-controlled apparatus with auto-alarm function.
Background technology
In recent years, along with the raising of China's expanding economy and living standards of the people, a large amount of person between twenty and fifty go to flourishing urban work and study away from local is single, cause some Large And Medium Cities too much, very easily cause public security problem.Especially for those solitary people, there is a relieved safe environment very necessary.Electronic alarm can be sounded when robber enters the room crime and be caused the attention of surrounding neighbours and security personnel, and house owner more can be reminded to take the measure of saving oneself in time.Therefore, the demand of people to electronic alarm increases day by day.
But existing electronic alarm presents the development that polarises, some electronic alarm inductive effects well can Reusability, but volume is comparatively large, and expensive; Some electronic alarm volume is little, low price, but but inductive effects difference and can not Reusability.Therefore, be necessary to invent a kind of inductive effects good, can Reusability, the little low-cost sound-controlled apparatus with auto-alarm function of volume.
Utility model content
The utility model provide a kind of inductive effects good, can Reusability, the sound-controlled apparatus with auto-alarm function that volume is little.
For overcoming the above problems, adopt following scheme:
Scheme one: the sound-controlled apparatus with auto-alarm function, the base plate comprising shell and removably connect with shell, the sidewall of described shell is provided with multiple downward hole, voice-control alarm circuit board is provided with in described shell, described voice-control alarm circuit board is fixed on described base plate, and described base plate is provided with multiple mounting hole on the circumferential position of shell; Described voice-control alarm circuit board is one side pcb board, and the voice-control alarm circuit on described voice-control alarm circuit board comprises acoustic-electric converter amplifier circuit and controls warning circuit; The power-line plug being provided with accumulator in described shell and being connected with accumulator, described power-line plug stretches out shell; Described storage battery connects described voice-control alarm circuit board; Voice-control alarm circuit on voice-control alarm circuit board comprises the acoustic-electric converter amplifier circuit and control warning circuit that are connected to each other; Described acoustic-electric converter amplifier circuit comprises for receiving the microphone MIC of sound and operational amplifier IC1; The in-phase input end of operational amplifier IC1 connects electric capacity C1, the inverting input contact resistance R3 of operational amplifier IC1 and electrochemical capacitor C2; Microphone MIC is connected between the negative electrode of electric capacity C1 and electrochemical capacitor C2; The negative feedback of operational amplifier IC1 connects adjustable resistance RP1, the output terminal of operational amplifier IC1 connects the anode of diode D1, is parallel with and presses switch S A and electrochemical capacitor C3 between the negative electrode of diode D1 and the inverting input of operational amplifier IC1; The negative electrode of diode D1 connects the anode of electrochemical capacitor C3.
Principle of work: the place by the mounting hole on base plate, the sound-controlled apparatus with auto-alarm function being arranged on close door and window, when there being people to invade generation sound of movement, sound passes on voice-control alarm circuit board by the hole on shell, start after voice-control alarm board receiver to sound to report to the police, remind house owner to have people to invade.
Beneficial effect:
1. the utility model only comprises shell, base plate and setting voice-control alarm circuit board in the enclosure, and structure is simple.
2. shell and base plate removably connect, and base plate is provided with multiple mounting hole on the circumferential position of shell, for convenience detach and installation, convenient mobile, can repeated multiple timesly use, and few to installation environment restrictive condition.
3. the hole on the sidewall of shell is arrange downwards, is not only conducive to transmitting sound, prevents from dust from dropping entering in shell, effectively can also prevent child from being stretched in shell by hand by mistake and come to harm, have certain safeguard protection effect.
4. voice-control alarm circuit board described in is one side pcb board, and the voice-control alarm circuit on described voice-control alarm circuit board comprises acoustic-electric converter amplifier circuit and controls warning circuit; Use individual layer pcb board, conveniently reduce the overall volume of the sound-controlled apparatus with auto-alarm function, reduce expense simultaneously, reduce cost of products.
5. arrange accumulator in the enclosure and be connected the power-line plug stretching out shell with accumulator, described storage battery connects described voice-control alarm circuit board; Can be charged a battery by external power-line plug, use accumulator still can carry out work in the event of a loss of power, be conducive to the sound-controlled apparatus continuous firing incessantly with auto-alarm function, effectively increase the comprehensive of protection and reliability.
6. acoustic-electric converter amplifier circuit described in comprises for receiving the microphone MIC of sound and operational amplifier IC1; The in-phase input end of operational amplifier IC1 connects electric capacity C1, the inverting input contact resistance R3 of operational amplifier IC1 and electrochemical capacitor C2; Microphone MIC is connected between the negative electrode of electric capacity C1 and electrochemical capacitor C2; The negative feedback of operational amplifier IC1 connects adjustable resistance RP1, the output terminal of operational amplifier IC1 connects the anode of diode D1, is parallel with and presses switch S A and electrochemical capacitor C3 between the negative electrode of diode D1 and the inverting input of operational amplifier IC1; The negative electrode of diode D1 connects the anode of electrochemical capacitor C3; Convenient after microphone MIC receives the voice signal of invasion, convert electric signal in time and be passed to control warning circuit below after being amplified by operational amplifier.
Scheme two: on the basis of scheme one further, described control warning circuit comprises NPN type triode Q1, the relay K be connected on the collector of NPN type triode Q1, the electrochemical capacitor C4 be connected with the normally opened contact of relay K, the hummer H1 be connected with the normally closed contact of relay K and the light emitting diode D2 that is connected with the transfer contact of relay K; The base stage of NPN type triode Q1 connects the negative electrode of diode D1; After convenient control warning circuit receives the signal passed over from acoustic-electric converter amplifier circuit, control hummer H1 sound of movement in time and report to the police.
Scheme three: on the basis of scheme one further, described case surface scribbles water barrier; The components and parts be conducive in protecting sheathing do not soak by rainwater, avoid electric shock accidents to occur.
Scheme four: on the basis of scheme one further, described base plate is provided with buckling groove, and the shape of described buckling groove and the bottom of described shell match; Again can fast assembling-disassembling while of being conducive to shell and base plate to be firmly connected.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the circuit diagram of the acoustic-electric converter amplifier circuit of the utility model embodiment;
Fig. 3 is the circuit diagram of the control warning circuit of the utility model embodiment.
Embodiment
Below by embodiment, the utility model is described in further detail:
Reference numeral in Figure of description comprises: microphone MIC, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, variable resistor RP1, hummer H1, pressing switch S A, electric capacity C1, electrochemical capacitor C2, electrochemical capacitor C3, electrochemical capacitor C4, electrochemical capacitor C5, operational amplifier IC1, diode D1, light emitting diode D2, NPN type triode Q1, relay K, shell 1, base plate 2, blinds fenestra 3, mounting hole 4.
As shown in Figure 1, there is the sound-controlled apparatus of auto-alarm function, comprise shell 1 and the base plate 2 with shell 1 clamping, shell 1 is the open rectangle body of rectangular configuration, four sidewalls of shell 1 all have the blinds fenestra 3 of downward shape as window shutter, wherein each sidewall has five blinds fenestras 3.Voice-control alarm circuit board is installed in shell 1, voice-control alarm welding circuit board is on base plate 4, circumferential position base plate 4 being positioned at shell 1 has four mounting holes 4, the sound-controlled apparatus with auto-alarm function can be arranged on any place wanting to install by devices such as screws.Shell 1 surface scribbles water barrier; The components and parts be conducive in protecting sheathing 1 do not soak by rainwater, avoid electric shock accidents to occur.Base plate 2 has buckling groove, and the shape of buckling groove and the bottom of shell 1 match, and the bottom of shell 1 can be injected in buckling groove, again can fast assembling-disassembling while of being conducive to shell and base plate to be firmly connected.
The sound-controlled apparatus with auto-alarm function also comprises and is connected to the accumulator in shell 1 by the groove in shell 1 and is connected with accumulator and from the hole of shell 1 bottom, stretches out the power-line plug of shell 1.Storage battery connects voice-control alarm circuit board.Voice-control alarm circuit board is one side pcb board, is conducive to the volume reducing whole sound-controlled apparatus.Voice-control alarm circuit on voice-control alarm circuit board comprises acoustic-electric converter amplifier circuit and controls warning circuit.
As shown in Figure 2, be used for receiving the lower end ground connection of microphone MIC of invasion sound in acoustic-electric converter amplifier circuit, the lower end of microphone MIC is the negative electrode of the lower end of contact resistance R2, electrochemical capacitor C2, the pressing lower end of switch S A, the negative electrode of electrochemical capacitor C3 by signal transmission to controlling warning circuit simultaneously; The lower end of upper end contact resistance R1 of microphone MIC and the left end of electric capacity C1; Operational amplifier IC1 adopts TL071, one end (i.e. 7 pin of TL071) of the upper end concatenation operation amplifier IC1 of resistance R1 by signal transmission to controlling warning circuit; The upper end of the right-hand member contact resistance R2 of electric capacity C1, the right-hand member of electric capacity C1 is connected to the input end in the same way of operational amplifier IC1 (i.e. 3 pin of TL071) simultaneously; Reverse input end (i.e. 4 pin of the TL071) upper end of contact resistance R3 of operational amplifier IC1 and the left end of variable resistor RP1; The output terminal (i.e. 6 pin of TL071) of operational amplifier IC1 connects right-hand member and the adjustable side of variable resistor RP1, and the output terminal (i.e. 6 pin of TL071) of operational amplifier IC1 connects the anode of diode D1 simultaneously; The lower end of resistance R3 connects the anode of electrochemical capacitor C2; The negative electrode of diode D1 connects the pressing upper end of switch S A and the anode of electrochemical capacitor C3; The negative electrode of diode D1 simultaneously by signal transmission to controlling warning circuit.
Resistance R1 is the biasing resistor of acoustic-electric converter amplifier circuit, after microphone MIC receives the voice signal of invasion, will convert the sound received to corresponding electric signal.This signal is coupled through electric capacity C1, adds to the input end in the same way of operational amplifier IC1.The input impedance of operational amplifier IC1 is fixed in a fixed value by resistance R2, variable resistor RP1 is the feedback element of operational amplifier IC1, regulates the variable resistor RP1 in feedback control loop that the enlargement factor of operational amplifier IC1 can be made to adjust arbitrarily within the specific limits.
As shown in Figure 3, control the collector of NPN type triode Q1 in warning circuit and receive resistance R1 transmits from acoustic-electric converter amplifier circuit signal and the positive pole connecting accumulator; The base stage of NPN type triode Q1 receives the signal that diode D1 passes over from acoustic-electric converter amplifier circuit, and the emitter of NPN type triode Q1 connects the upper end of relay K, and the lower end of relay K connects the negative electrode of electrochemical capacitor C5 and the negative pole of accumulator; The anode of electrochemical capacitor C5 connects the lower end of the microphone MIC in acoustic-electric converter amplifier circuit and receives its signal passed over; The right-hand member of the transfer contact contact resistance R4 of relay K, the anode of the left end connecting luminous diode D2 of resistance R4, the negative electrode of light emitting diode D2 connects the negative pole of accumulator; The normally closed contact of relay K connects the left end of hummer H1, the left end of the right-hand member contact resistance R5 of hummer H1, the right-hand member ground connection of resistance R5; The normally opened contact of relay K connects the anode of electrochemical capacitor C4, the plus earth of electrochemical capacitor C4.
When not having sound outside door and window, the signal voltage of operational amplifier IC1 in-phase input end is lower than reference voltage, and operational amplifier IC1 output low level, makes NPN type triode Q1 end, and red light emitting diodes D3 does not work.
When there being sound of movement outside door and window, the signal voltage of operational amplifier IC1 in-phase input end is higher than reference voltage, and namely operational amplifier IC1 overturns output high level, makes NPN type triode Q1 conducting, luminous after light emitting diode D3 is energized, and hummer H1 is reported to the police.Stir Push switch SA downwards, circuit reset can be made to arrive initial state.
In order to the protected working making the sound-controlled apparatus with auto-alarm function carry out day and night better selectively, and can control to add a microprocessor between warning circuit at acoustic-electric converter amplifier circuit, set the wave volume preset value of day and night respectively, the sound size received is compared, when exceeding preset value, just makes buzzer warning.
Above-described is only embodiment of the present utility model, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from the utility model structure, some distortion and improvement can also be made; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.
Claims (4)
1. there is the sound-controlled apparatus of auto-alarm function, the base plate comprising shell and removably connect with shell, it is characterized in that: the sidewall of described shell is provided with multiple downward hole, voice-control alarm circuit board is provided with in described shell, described voice-control alarm circuit board is fixed on described base plate, and described base plate is provided with multiple mounting hole on the circumferential position of shell; Described voice-control alarm circuit board is one side pcb board, and the voice-control alarm circuit on described voice-control alarm circuit board comprises acoustic-electric converter amplifier circuit and controls warning circuit; The power-line plug being provided with accumulator in described shell and being connected with accumulator, described power-line plug stretches out shell; Described storage battery connects described voice-control alarm circuit board; Voice-control alarm circuit on voice-control alarm circuit board comprises the acoustic-electric converter amplifier circuit and control warning circuit that are connected to each other; Described acoustic-electric converter amplifier circuit comprises for receiving the microphone MIC of sound and operational amplifier IC1; The in-phase input end of operational amplifier IC1 connects electric capacity C1, the inverting input contact resistance R3 of operational amplifier IC1 and electrochemical capacitor C2; Microphone MIC is connected between the negative electrode of electric capacity C1 and electrochemical capacitor C2; The negative feedback of operational amplifier IC1 connects adjustable resistance RP1, the output terminal of operational amplifier IC1 connects the anode of diode D1, is parallel with and presses switch S A and electrochemical capacitor C3 between the negative electrode of diode D1 and the inverting input of operational amplifier IC1; The negative electrode of diode D1 connects the anode of electrochemical capacitor C3.
2. the sound-controlled apparatus with auto-alarm function according to claim 1, is characterized in that: described control warning circuit comprises NPN type triode Q1, the relay K be connected on the collector of NPN type triode Q1, the electrochemical capacitor C4 be connected with the normally opened contact of relay K, the hummer H1 be connected with the normally closed contact of relay K and the light emitting diode D2 that is connected with the transfer contact of relay K; The base stage of NPN type triode Q1 connects the negative electrode of diode D1.
3. the sound-controlled apparatus with auto-alarm function according to claim 1, is characterized in that: described case surface scribbles water barrier.
4. the sound-controlled apparatus with auto-alarm function according to claim 1, is characterized in that: described base plate is provided with buckling groove, and the shape of described buckling groove and the bottom of described shell match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520612810.2U CN204946236U (en) | 2015-08-14 | 2015-08-14 | There is the sound-controlled apparatus of auto-alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520612810.2U CN204946236U (en) | 2015-08-14 | 2015-08-14 | There is the sound-controlled apparatus of auto-alarm function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204946236U true CN204946236U (en) | 2016-01-06 |
Family
ID=55013642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520612810.2U Expired - Fee Related CN204946236U (en) | 2015-08-14 | 2015-08-14 | There is the sound-controlled apparatus of auto-alarm function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204946236U (en) |
-
2015
- 2015-08-14 CN CN201520612810.2U patent/CN204946236U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20170814 |