CN203645642U - Sound vibration induction switch circuit - Google Patents
Sound vibration induction switch circuit Download PDFInfo
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- CN203645642U CN203645642U CN201320645037.0U CN201320645037U CN203645642U CN 203645642 U CN203645642 U CN 203645642U CN 201320645037 U CN201320645037 U CN 201320645037U CN 203645642 U CN203645642 U CN 203645642U
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Abstract
The utility model discloses a sound vibration induction switch circuit comprising a voltage input, a voltage stabilization circuit, a receiving amplifying circuit, an under-voltage detection protection circuit, a sampling circuit, an intelligent control circuit, and an output switch circuit. The receiving amplifying circuit comprises a vibration induction receiving amplifying circuit and a sound induction receiving amplifying circuit. An isolation diode is disposed between the vibration induction receiving amplifying circuit and the under-voltage detection protection circuit, and an isolation diode is disposed between the sound induction receiving amplifying circuit and the under-voltage detection protection circuit. The under-voltage detection protection circuit is provided with a detection operation amplifier, which is connected with the sampling circuit. The sound vibration induction switch circuit is advantageous in that the driving recording alarming device can be realized, and at the same time, the alarming requirement can be satisfied by the sound induction and the vibration induction; when the voltage of the battery is too low, the under-voltage detection protection circuit is provided with the detection operation amplifier, and therefore the under-voltage protection function can be realized; and the utilization space of the automobile driving alarming video monitoring field can be enlarged.
Description
Technical field
The utility model relates to a kind of video automatic alarm field of switches, relates in particular to a kind of inductive switch circuit.
Background technology
The use vibration sensing switch circuit start warning that present driving recording warning device majority can only use independent sound inductive switch circuit start to report to the police or can only be independent, in the time that cell voltage is too low, does not have under-voltage protection function.A driving recording warning device for single like this induction, can not meet that sound induction alarm, Vibration induction are reported to the police simultaneously and the multiple environment of under-voltage protection function under demand, limited the application space in running alarm video monitoring field.
Summary of the invention
For solution must not be simultaneously compatible, to report to the police, report to the police and possess the problem of under-voltage protection function simultaneously by vibration sensing switch circuit start by sound inductive switch circuit start, the utility model provides a kind of sound vibrations inductive switch circuit.
For realizing above-mentioned technical purpose; the technical scheme that the utility model is taked is: a kind of sound vibrations inductive switch circuit; comprise voltage input, voltage stabilizing circuit, reception amplifying circuit, under-voltage detection protective circuit, sample circuit, intelligent control circuit and output switch circuit, wherein receive amplifying circuit and comprise that sound induction receives amplifying circuit and Vibration induction receives amplifying circuit.
Described voltage input: input voltage divides two-way, a road is for main circuit work, and another road samples work for sample circuit normally to under-voltage detection protective circuit.
Described voltage stabilizing circuit: be provided with lowering and stabilizing blood pressure triode in circuit; voltage stabilizing IC and filter; the voltage that input is come in is output as stable operating voltage after this triode voltage stabilizing processing and filtering; stable voltage is to intelligent control circuit and receive amplifying circuit power supply, simultaneously for under-voltage detection protective circuit provides stable reference voltage.
Described vibrations receive amplifying circuit: be made up of piezoelectric ceramic buzzing sheet, vibrations spring, RC network and amplifier A.In the time receiving vibration signal, vibrations spring will produce shake, on piezoelectric ceramic buzzing sheet, forms the faint signal of telecommunication, after the amplitude of the signal of telecommunication by RC network adjustment induced voltage, signal is sent to amplifier A, and signal is amplified processing by amplifier A.
Described sound receives amplifying circuit: be made up of miaow head, RC network and amplifier B.In the time receiving voice signal, miaow head is sent to amplifier B by signal after receiving the amplitude of the signal coming by RC network adjustment induced voltage, and signal is amplified processing by amplifier B.
Described sound induced signal and Vibration induction signal receive to amplify to signal through reception amplifying circuit and converge to a bit afterwards, before point, sound receives amplifying circuit and vibrations and receives amplifying circuit and be provided with respectively a diode and isolate, and the effect of this diode is effectively to have shielded interfering with each other between two kinds of circuit signals and impact.
Described sample circuit: detect voltage in under-voltage protecting circuit whether between fixing scope.
Described under-voltage detection protective circuit: comprise amplifier C and detect amplifier D, described amplifier C is that the signal of docking receipts amplifying circuit input carries out secondary amplification, signal is after secondary amplifies and processes, and the signal after enhancing converts square wave level to and be input to the intelligent control circuit of rear end; Described detection amplifier D, as under-voltage protection switch, in the time that sample circuit detects input voltage lower than setting, detects the in-phase end of amplifier D by clamper ground connection, the signal conductively-closed that now the large processing of circuit of premenstrual termination folding and unfolding is crossed; In the time that sample circuit detects that voltage is the normal range (NR) of regulation, detect the in-phase end clamper ground connection of amplifier and cancel, amplifier C enters normal input/output state, and induced signal can triggered as normal warning work.
Described intelligent control circuit: comprise intelligent chip, intelligent chip, by reading the voltage signal after amplifying for bis-times through amplifier C, determines whether to export control command after effective induced signal.
Described output switch circuit: control output electronic switch, thereby start the electric power system of video circuit, the equipment such as video camera, make it to carry out and report to the police, or video monitoring.
After employing the technical solution of the utility model, receive amplifying circuit and comprise that vibrations receive amplifying circuit and sound receives amplifying circuit; vibrations receive between amplifying circuit and under-voltage detection protective circuit and are provided with isolating diode, and sound receives between amplifying circuit and under-voltage detection protective circuit and is provided with isolating diode.Having realized driving recording warning device meets and can respond to and can be by the Vibration induction demand of reporting to the police by sound; in the time that cell voltage is too low; in under-voltage detection protective circuit, be provided with and detect amplifier D; realized the function of under-voltage protection, the employing of this programme has expanded the usage space in running alarm video monitoring field.
Brief description of the drawings
Fig. 1 is sound vibrations inductive switch circuit frame figure;
Fig. 2 is the block diagram that in sound vibrations inductive switch circuit, Vibration induction receives amplifying circuit;
Fig. 3 is the block diagram that in sound vibrations inductive switch circuit, sound induction receives amplifying circuit.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described: a kind of sound vibrations inductive switch circuit as shown in Figure 1; comprise voltage input, voltage stabilizing circuit, reception amplifying circuit, under-voltage detection protective circuit, sample circuit, intelligent control circuit and output switch circuit, wherein receive amplifying circuit and comprise that sound induction receives amplifying circuit and Vibration induction receives amplifying circuit.
At power supply input phase, voltage is with the scope input of DC11.6V-13V, and voltage divides two-way,
The one road voltage stabilizing circuit of flowing through; in voltage stabilizing circuit, be provided with a lowering and stabilizing blood pressure triode; a voltage stabilizing IC and multiple filter; the voltage that input is come in is output as the operating voltage that 5V is stable and powers for main circuit after this triode voltage stabilizing processing and filtering; especially be intelligent control circuit, output switch circuit and the power supply of reception amplifying circuit, simultaneously for under-voltage detection protective circuit provides stable reference voltage.
Described vibrations receive after amplifying circuit receives vibration signal amplifies processing to signal; Described sound receives after amplifying circuit receives voice signal signal is amplified to processing; Described Vibration induction receives amplifying circuit and described sound induction reception amplifying circuit amplifies after processing signal, meet at a bit, before point, sound receives amplifying circuit and vibrations and receives amplifying circuit and be respectively arranged with a diode and isolate, and diode can effectively shield interfering with each other between two kinds of circuit signals and impact.
Described under-voltage detection protective circuit: comprise and detect amplifier D and amplifier C, the signal that amplifying circuit input is received in amplifier C docking carries out secondary amplification, signal is after secondary amplifies and processes, and the signal after enhancing converts square wave level to and is input to the intelligent control circuit of rear end; Detect amplifier D as under-voltage protection switch, in the time that sample circuit detects input voltage lower than the 11.6V of regulation, detect the in-phase end of amplifier D by clamper ground connection, the signal conductively-closed that now the large processing of circuit of premenstrual termination folding and unfolding is crossed; In the time that sample circuit detects that voltage is the 11.6V-13V normal range (NR) of regulation, detecting the in-phase end clamper ground connection of amplifier cancels, amplifier C enters normal input/output state, signal is after secondary amplifies processing, signal is converted into square wave level and is input to the intelligent control circuit of rear end, and induced signal now can triggered as normal warning work.
Described intelligent control circuit, comprise intelligent chip, intelligent chip is by reading the voltage signal after amplifying for bis-times through amplifier C, determine whether to export the output switch circuit of control command to rear end after effective induced signal, output switch circuit receives after signal, controls output electronic switch, thereby start the electric power system of video circuit, make the equipment work such as video camera of rear end, start to carry out and report to the police, or video monitoring.
Preferred vibrations reception amplifying circuit is made up of piezoelectric ceramic buzzing sheet, vibrations spring, RC network and amplifier A as shown in Figure 2.In the time that vibrations spring receives vibration signal, vibrations spring can produce shake, at this moment will on piezoelectric ceramic buzzing sheet, form faint voltage signal, this voltage signal is sent to amplifier A by signal adjust the amplitude of induced voltage by RC network after, and signal is amplified processing by amplifier A.
Preferred sound receives amplifying circuit as shown in Figure 3: be made up of miaow head, RC network and amplifier B.When miaow head receives voice signal when input, at this moment will form faint voltage signal, this voltage signal is sent to amplifier B by signal adjust the amplitude of induced voltage by RC network after, and signal is amplified processing by amplifier B.
It is 5V that preferred described Vibration induction reception amplifying circuit harmony tone sense should receive amplifying circuit operating voltage.
Such scheme is only the one in the utility model preferred version, and described input voltage can be set in any range between 12V to 48V as required.
Claims (4)
1. a sound vibrations inductive switch circuit, comprises voltage input, voltage stabilizing circuit, reception amplifying circuit, under-voltage detection protective circuit, sample circuit, intelligent control circuit and output switch circuit; It is characterized in that described reception amplifying circuit comprises that Vibration induction receives amplifying circuit harmony tone sense and should receive amplifying circuit; Described Vibration induction receives between amplifying circuit and under-voltage detection protective circuit and is provided with isolating diode; Described sound induction receives between amplifying circuit and under-voltage detection protective circuit and is provided with isolating diode; Described under-voltage detection protective circuit is provided with and detects amplifier and amplifier, detects amplifier and is connected with sample circuit.
2. sound vibrations inductive switch circuit according to claim 1, is characterized in that: described Vibration induction receives amplifying circuit and is made up of piezoelectric ceramic buzzing sheet, vibrations spring, RC network and amplifier A.
3. sound vibrations inductive switch circuit according to claim 1, is characterized in that: described sound induction receives amplifying circuit by miaow head, RC network and amplifier B composition.
4. require the sound vibrations inductive switch described in any one in 1 to 3 according to power, it is characterized in that: described Vibration induction receives amplifying circuit, sound induction receives amplifying circuit and under-voltage detection protective circuit operating voltage is 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320645037.0U CN203645642U (en) | 2013-10-20 | 2013-10-20 | Sound vibration induction switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320645037.0U CN203645642U (en) | 2013-10-20 | 2013-10-20 | Sound vibration induction switch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203645642U true CN203645642U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320645037.0U Expired - Fee Related CN203645642U (en) | 2013-10-20 | 2013-10-20 | Sound vibration induction switch circuit |
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| Country | Link |
|---|---|
| CN (1) | CN203645642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107250941A (en) * | 2015-02-27 | 2017-10-13 | 尖端研究公司 | Control system and home automation for SPD device |
-
2013
- 2013-10-20 CN CN201320645037.0U patent/CN203645642U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107250941A (en) * | 2015-02-27 | 2017-10-13 | 尖端研究公司 | Control system and home automation for SPD device |
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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 |
Granted publication date: 20140611 Termination date: 20141020 |
|
| EXPY | Termination of patent right or utility model |