CN105263084A - Self-protected electronic horn and automobile comprising self-protected electronic horn - Google Patents
Self-protected electronic horn and automobile comprising self-protected electronic horn Download PDFInfo
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- CN105263084A CN105263084A CN201510600018.XA CN201510600018A CN105263084A CN 105263084 A CN105263084 A CN 105263084A CN 201510600018 A CN201510600018 A CN 201510600018A CN 105263084 A CN105263084 A CN 105263084A
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Abstract
The invention provides a self-protected electronic horn and an automobile comprising the self-protected electronic horn. The self-protected electronic horn comprises a drive circuit, wherein an input end is connected with a starting switch, an output end is connected with a horn coil, and the drive circuit is used for driving the horn to work; a detection circuit, wherein an input end is connected with the starting switch, the detection is used for detecting whether the starting switch is closed, and if yes, a delay starting signal is output; a delay circuit, wherein an input end is connected with an output end of the detection circuit, and the delay circuit is used for starting time delaying when the delay starting signal is received and outputting a stop signal when a preset delay time is over; a controlled switch, wherein the controlled switch is serially connected between the output end of the drive circuit and the horn coil, a controlled end is connected with an output end of the time delay circuit, and the controlled switch is used for cutting off the connection between the drive circuit and the horn coil when the stop signal is received. According to the invention, when the closing time of the starting switch reaches the preset delay time, the connection between the drive circuit and the horn coil is cut off, the horn is prevented from ringing for a long time, and the service lifetime of the horn and the vehicle safety are free from influences.
Description
Technical field
The present invention relates to electronic device field, be specifically related to a kind of self-insurance's electronic horn and comprise the automobile of this self-insurance's electronic horn.
Background technology
Electronic horn is the safety signal device that automobile uses, and is the indispensable element of automobile.Along with increasing sharply of car owning amount, loudspeaker noise has become the main source of traffic noise, has had a strong impact on daily life.
When automobile travels the situation running into long-time traffic congestion on highway, the mood of part driver can become more irritable, now then may mad honking, can not solve so current faced by problem, bring environmental noise to surrounding population again.Meanwhile, pin starting switch for a long time and do not put, not only affect the life-span of loudspeaker, loudspeaker more may be made to cause heating owing to piping for a long time, and then cause the short circuit of circuit, affect the safety of car load.On the other hand, when loudspeaker self be short-circuited cause loudspeaker to pipe for a long time time, then need to carry out power-off to it at once, in order to avoid affect car load safety.But, in the process that loudspeaker of the prior art travel at vehicle, due to the situation such as manual operation or short circuit occur time, may pipe for a long time, affect the useful life of loudspeaker.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is to overcome loudspeaker of the prior art when piping for a long time, automatically can not stop the defect piping, thus provides a kind of self-insurance's electronic horn and comprise the automobile of this self-insurance's electronic horn.
For this reason, technical scheme of the present invention is as follows:
A kind of self-insurance's electronic horn, comprising:
Drive circuit, its input is connected with starting switch, and its output is connected with horn coil, for driving loudspeaker work;
Testing circuit, whether its input is connected with starting switch, close for detecting described starting switch, if then its output exports delayed start-up signal;
Delay circuit, its input is connected with the output of described testing circuit, for when receiving described delayed start-up signal, start-up study; After the delay time of Preset Time terminates, its output exports stop signal;
Controlled switch, it is series between the output of described drive circuit and described horn coil, and controlled end is connected with the output of described delay circuit; When receiving described stop signal, cut off the connection of described drive circuit and described horn coil.
Preferably, described self-insurance's electronic horn, also comprises pulse control circuit, and it is series between the output of described drive circuit and described horn coil, for changing the duty ratio of the pulse that described drive circuit exports.
Preferably, described controlled switch comprises: triode and metal-oxide-semiconductor, wherein,
The base stage of described triode is connected with the output of described delay circuit as the controlled end of described controlled switch; The collector electrode of described triode is connected with the output of described drive circuit; The grounded emitter of described triode;
The grid of described metal-oxide-semiconductor is connected with the collector electrode of described triode; The source ground of described metal-oxide-semiconductor; The drain electrode of described metal-oxide-semiconductor is connected with one end of described horn coil; The other end of described horn coil connects power supply.
Preferably, described drive circuit comprises: chip CD4060, the first resistance, the second resistance, the first electric capacity, wherein,
The signal forward output of described chip CD4060 is connected with one end of described first electric capacity;
The signals reverse output of described chip CD4060 is connected with one end of described first resistance;
The signal input part of described chip CD4060 is connected with one end of described second resistance;
One end of described first electric capacity, described first resistance is connected with the other end of described second resistance;
The power end of described chip CD4060 is as the input of described drive circuit;
6 frequency division output terminal of described chip CD4060 are as the output of described drive circuit.
Preferably, the resistance of described first resistance and described second resistance is adjustable; The capacitance of described first electric capacity is adjustable.
Preferably, described testing circuit comprises described chip CD4060, and the power end of described chip CD4060 is as the input of described testing circuit; 14 frequency division output terminal of described chip CD4060 are as the output of described testing circuit.
Preferably, described delay circuit adopts chip CD4520 and peripheral circuit thereof to realize, and the trailing edge counting end of described chip CD4520 is as the input of described delay circuit; As the output of described delay circuit after the clock signal terminal of described chip CD4520 is connected with an output.
Preferably, described pulse control circuit comprises: the first diode, the second diode, the 3rd diode, the 3rd resistance and the 4th resistance, wherein,
The anode of described first diode is as the input of described pulse control circuit; As the output of described pulse control circuit after the negative electrode of described first diode, the negative electrode of described second diode are connected with one end of described 3rd resistance;
The other end ground connection of described 3rd resistance;
The anode of described second diode, the anode of described 3rd diode are connected with one end of described 4th resistance;
The other end of described 4th resistance is connected with 4 frequency division output terminal of described chip CD4060;
The negative electrode of described 3rd diode is connected with 5 frequency division output terminal of described chip CD4060.
A kind of automobile, comprises above-mentioned self-insurance's electronic horn.
Technical solution of the present invention, tool has the following advantages:
1. self-insurance's electronic horn provided by the invention, drive circuit drives loudspeaker work; Testing circuit is detecting that starting switch exports delayed start-up signal after closed; Delay circuit is when receiving delayed start-up signal, and start-up study, and after the delay time of Preset Time terminates, exports stop signal; Controlled switch, it is series between drive circuit and horn coil, when controlled end receives stop signal, cuts off the connection of drive circuit and horn coil.Self-insurance's electronic horn provided by the invention, when the time that starting switch closes equals default delay time, cut off the connection between drive circuit and horn coil, namely automatically stopped loudspeaker to pipe, this just avoid due to the situation such as manual operation or short circuit occur time, loudspeaker pipe for a long time, affect the useful life of loudspeaker and the problem of car load safety.
2. self-insurance's electronic horn provided by the invention, also comprises pulse control circuit, and it is series between the output of drive circuit and horn coil, for changing the duty ratio of the pulse that drive circuit exports.By changing duty ratio, being beneficial to the phonation efficiency improving loudspeaker, meanwhile, being beneficial to and improving tonequality.
3. self-insurance's electronic horn provided by the invention, drive circuit, testing circuit, delay circuit and controlled switch all adopt hardware implementing, convenient and simple, do not have program, and antijamming capability is stronger, uses more reliable.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the theory diagram of a concrete example of self-insurance's electronic horn in the embodiment of the present invention 1;
Fig. 2 is the theory diagram of another concrete example of self-insurance's electronic horn in the embodiment of the present invention 1;
Fig. 3 is the circuit diagram of a concrete example of self-insurance's electronic horn in the embodiment of the present invention 1;
Fig. 4 is the oscillogram that in the embodiment of the present invention 1, drive circuit and pulse control circuit export;
Fig. 5 is the sequential chart of each pin of the embodiment of the present invention 1 chips CD4520;
Reference numeral: 1-drive circuit; 2-testing circuit; 3-delay circuit, 4-controlled switch, 5-pulse control circuit.
Embodiment
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can also be the connection of two element internals, can be wireless connections, also can be wired connection.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
In addition, if below in the described different execution mode of the present invention involved technical characteristic do not form conflict each other and just can be combined with each other.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of self-insurance's electronic horn, comprising:
Drive circuit 1, its input is connected with starting switch, and its output is connected with horn coil, for driving loudspeaker work;
Testing circuit 2, whether its input is connected with starting switch, close for detecting starting switch, if then its output exports delayed start-up signal;
Delay circuit 3, its input is connected with the output of testing circuit 2, for when receiving delayed start-up signal, start-up study; After the delay time of Preset Time terminates, its output exports stop signal.Delay time can be arranged according to the needs of user, as delay time can be set to 4S.
Controlled switch 4, between its output being series at drive circuit 1 and horn coil, and controlled end is connected with the output of delay circuit 3; When receiving stop signal, cut off the connection of drive circuit 1 and horn coil.
Self-insurance's electronic horn that the present embodiment provides, when the time that starting switch closes equals default delay time, cut off the connection between drive circuit 1 and horn coil, namely automatically stopped loudspeaker to pipe, this just avoid due to the situation such as manual operation or short circuit occur time, loudspeaker pipe for a long time, affect the useful life of loudspeaker and the problem of car load safety.
On the basis of such scheme, as shown in Figure 2, self-insurance's electronic horn that the present embodiment provides, can also comprise pulse control circuit 5, between its output being series at drive circuit 1 and horn coil, for changing the duty ratio of the pulse that drive circuit 1 exports.The duty ratio of the pulse that such as drive circuit can be exported is adjusted to the pulse of 62.5%, by changing duty ratio, being beneficial to the phonation efficiency improving loudspeaker, meanwhile, being beneficial to the tonequality improving loudspeaker.
As a kind of specific implementation, as shown in Figure 3, drive circuit 1 can comprise: chip CD4060, the first resistance R1, the second resistance R2, the first electric capacity C1, and wherein, the signal forward output (pin 9) of chip CD4060 is connected with one end of the first electric capacity C1; The signals reverse output (pin 10) of chip CD4060 is connected with one end of described first resistance R1; The signal input part (pin 11) of chip CD4060 is connected with one end of the second resistance R2; One end of first electric capacity C1, the first resistance R1 is connected with the other end of the second resistance R2; The power end (pin 16) of chip CD4060 as drive circuit 1 input (when collect starting switch closed after, power supply is connected); 6 frequency division output terminal (pin 4) of chip CD4060 are as the output of drive circuit 1.
Testing circuit 2 can comprise chip CD4060, the power end (pin 16) of chip CD4060 as testing circuit 2 input (when collect starting switch closed after, power supply is connected, and chip is started working); 14 frequency division output terminal (pin 3) of chip CD4060 are as the output (being connected with the trailing edge counting end of chip CD4520) of testing circuit 2.
Delay circuit 3 can adopt chip CD4520 and peripheral circuit thereof to realize, and the trailing edge counting end (pin 2) of chip CD4520 is as the input of delay circuit 3; As the output of delay circuit 3 after the clock signal terminal (pin 1) of chip CD4520 is connected with an output (pin 6).
Controlled switch 4 can comprise: triode T1 and metal-oxide-semiconductor Q1, and wherein, the base stage of triode T1 is connected with the output of delay circuit 3 (that is: the pin 6 of Fig. 3 chips CD4520); The collector electrode of triode T1 is connected with the output (that is: the 6 frequency division output terminal pins 4 of chip CD4060) of drive circuit 1; The grounded emitter of triode T1; The grid of metal-oxide-semiconductor Q1 is connected with the collector electrode of triode T1; The source ground of metal-oxide-semiconductor Q1; The drain electrode of metal-oxide-semiconductor Q1 is connected with one end of horn coil; The other end of horn coil connects power supply.Those skilled in the art should be appreciated that and adopt the device except triode and MOS to be also fine, as long as can realize when receiving stop signal, cut off the function of the connection between drive circuit and horn coil.
Pulse control circuit 5 can comprise: the first diode D1, the second diode D2, the 3rd diode D3, the 3rd resistance R3 and the 4th resistance R4, wherein, the anode of the first diode D1 is as the input (being connected with the pin 4 of chip CD4060) of pulse control circuit 5; As the output (being connected with the collector electrode of triode T1, the grid of MOSQ1) of pulse control circuit 5 after the negative electrode of the first diode D1, the negative electrode of the second diode D2 are connected with one end of the 3rd resistance R3; The other end ground connection of the 3rd resistance R3; The anode of the second diode D2, the anode of the 3rd diode D3 are connected with one end of the 4th resistance R4; The other end of the 4th resistance R4 is connected with 4 frequency division output terminal (pin 7) of described chip CD4060; The negative electrode of the 3rd diode D3 is connected with 5 frequency division output terminal (pin 5) of described chip CD4060.As shown in Figure 4, what the output (that is: the pin 4 of chip CD4060) of drive circuit 1 exported is duty ratio be 50% square wave, this pulse control circuit 5 by duty ratio be 50% square wave change the pulse that duty ratio is 62.5% into, be beneficial to the luminous efficiency improving loudspeaker, improve the tonequality of loudspeaker.
Chip CD4060 is made up of an oscillator and 14 grades of binary counters, RC oscillating circuit is formed by the first resistance R1, the second resistance R2, the first electric capacity C1, by regulating the size of the first resistance R1, the second resistance R2, the first electric capacity C1, the occurrence frequency of loudspeaker can be changed, simple.It will be understood by those skilled in the art that chip CD4060 is a kind of 14 grades of relatively more conventional binary counters, replacing chip CD4060 to be also fine as adopted 14 grades of binary counters of other types.
Chip CD4520 is a kind of two heuristicimal counter, those skilled in the art are to be understood that, chip CD4520 is a kind of relatively more conventional two heuristicimal counters, replaces chip CD4520 to be also fine as adopted two heuristicimal counters of other types.
When testing circuit 2 detects that starting switch closes, the output of testing circuit 2 exports delayed start-up signal, as exported a 0.5Hz pulse at the pin 3 of chip CD4060; This Puled input to the input of delay circuit 3, as the trailing edge counting end (pin 2) of chip CD4520, after counting down to the 8th pulse, the pin 6 of CD4520 exports high level, triode T1 conducting, the S pole of metal-oxide-semiconductor Q1 and the short circuit of G pole, metal-oxide-semiconductor ends, horn coil dead electricity.Due to pin 1 (CLOCK) and pin 6 short circuit of CD4520, as shown in table 1 truth table and Fig. 5 sequential chart, when CLOCK is high level, Q0-Q3 state remains unchanged always, until down circuitry could reset, does not then affect and honks next time again.
Table 1:
×=not affects state 1=high level 0=low level
The drive circuit 1 of the self-insurance's electronic horn provided due to the present embodiment, testing circuit 2, delay circuit 3 and controlled switch 4 all adopt hardware implementing, and convenient and simple, do not have program, antijamming capability is stronger, uses more reliable.
Embodiment 2
The present embodiment provides a kind of automobile, and comprising the self-insurance's electronic horn mentioned in car body and embodiment 1, car body is car body of the prior art, is not described in detail at this.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range of the invention.
Claims (9)
1. self-insurance's electronic horn, is characterized in that, comprising:
Drive circuit (1), its input is connected with starting switch, and its output is connected with horn coil, for driving loudspeaker work;
Testing circuit (2), whether its input is connected with starting switch, close for detecting described starting switch, if then its output exports delayed start-up signal;
Delay circuit (3), its input is connected with the output of described testing circuit (2), for when receiving described delayed start-up signal, start-up study; After the delay time of Preset Time terminates, its output exports stop signal;
Controlled switch (4), between its output being series at described drive circuit (1) and described horn coil, and controlled end is connected with the output of described delay circuit (3); When receiving described stop signal, cut off the connection of described drive circuit (1) and described horn coil.
2. self-insurance's electronic horn according to claim 1, it is characterized in that, also comprise pulse control circuit (5), between its output being series at described drive circuit (1) and described horn coil, for changing the duty ratio of the pulse that described drive circuit (1) exports.
3. self-insurance's electronic horn according to claim 1 and 2, is characterized in that, described controlled switch (4) comprising: triode (T1) and metal-oxide-semiconductor (Q1), wherein,
The base stage of described triode (T1) is connected with the output of described delay circuit (3) as the controlled end of described controlled switch (4); The collector electrode of described triode (T1) is connected with the output of described drive circuit (1); The grounded emitter of described triode (T1);
The grid of described metal-oxide-semiconductor (Q1) is connected with the collector electrode of described triode (T1); The source ground of described metal-oxide-semiconductor (Q1); The drain electrode of described metal-oxide-semiconductor (Q1) is connected with one end of described horn coil; The other end of described horn coil connects power supply.
4. according to the arbitrary described self-insurance's electronic horn of claim 1-3, it is characterized in that, described drive circuit (1) comprising: chip CD4060, the first resistance (R1), the second resistance (R2), the first electric capacity (C1), wherein
The signal forward output of described chip CD4060 is connected with one end of described first electric capacity (C1);
The signals reverse output of described chip CD4060 is connected with one end of described first resistance (R1);
The signal input part of described chip CD4060 is connected with one end of described second resistance (R2);
One end of described first electric capacity (C1), described first resistance (R1) is connected with the other end of described second resistance (R2);
The power end of described chip CD4060 is as the input of described drive circuit (1);
6 frequency division output terminal of described chip CD4060 are as the output of described drive circuit (1).
5. self-insurance's electronic horn according to claim 4, is characterized in that, the resistance of described first resistance (R1) and described second resistance (R2) is adjustable; The capacitance of described first electric capacity (C1) is adjustable.
6. the self-insurance's electronic horn according to claim 4 or 5, is characterized in that, described testing circuit (2) comprises described chip CD4060, and the power end of described chip CD4060 is as the input of described testing circuit (2); 14 frequency division output terminal of described chip CD4060 are as the output of described testing circuit (2).
7. according to the arbitrary described self-insurance's electronic horn of claim 4-6, it is characterized in that, described delay circuit (3) adopts chip CD4520 and peripheral circuit thereof to realize, and the trailing edge counting end of described chip CD4520 is as the input of described delay circuit (3); As the output of described delay circuit (3) after the clock signal terminal of described chip CD4520 is connected with an output.
8. according to the arbitrary described self-insurance's electronic horn of claim 4-7, it is characterized in that, described pulse control circuit (5) comprising: the first diode (D1), the second diode (D2), the 3rd diode (D3), the 3rd resistance (R3) and the 4th resistance (R4), wherein
The anode of described first diode (D1) is as the input of described pulse control circuit (5); As the output of described pulse control circuit (5) after the negative electrode of described first diode (D1), the negative electrode of described second diode (D2) are connected with one end of described 3rd resistance (R3);
The other end ground connection of described 3rd resistance (R3);
The anode of described second diode (D2), the anode of described 3rd diode (D3) are connected with one end of described 4th resistance (R4);
The other end of described 4th resistance (R4) is connected with 4 frequency division output terminal of described chip CD4060;
The negative electrode of described 3rd diode (D3) is connected with 5 frequency division output terminal of described chip CD4060.
9. an automobile, is characterized in that, comprises the arbitrary described self-insurance's electronic horn of claim 1-8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510600018.XA CN105263084B (en) | 2015-09-18 | 2015-09-18 | Self-insurance's electronic horn and automobile comprising self-insurance's electronic horn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510600018.XA CN105263084B (en) | 2015-09-18 | 2015-09-18 | Self-insurance's electronic horn and automobile comprising self-insurance's electronic horn |
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| CN105263084A true CN105263084A (en) | 2016-01-20 |
| CN105263084B CN105263084B (en) | 2019-04-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257452A (en) * | 2018-01-30 | 2018-07-06 | 上海乐田教育科技有限公司 | A kind of vibration module for teaching programming plate |
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| CN1076558A (en) * | 1992-03-13 | 1993-09-22 | 牛本宽 | Automatic protector for electrical equipment of car |
| JP2008306269A (en) * | 2007-06-05 | 2008-12-18 | Yamaha Corp | Power amplifying circuit |
| CN202663192U (en) * | 2012-05-31 | 2013-01-09 | 广西泽龙电子科技有限公司 | Detection and control integrated user boundary switch |
| CN104066035A (en) * | 2013-03-21 | 2014-09-24 | 万喻 | Motor vehicle horn long-time sounding protection method and circuit |
| CN205040012U (en) * | 2015-09-18 | 2016-02-17 | 浙江胜必得汽车配件科技有限公司 | Self preservation formula electron loudspeaker and contain car of these self preservation formula electron loudspeaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076558A (en) * | 1992-03-13 | 1993-09-22 | 牛本宽 | Automatic protector for electrical equipment of car |
| JP2008306269A (en) * | 2007-06-05 | 2008-12-18 | Yamaha Corp | Power amplifying circuit |
| CN202663192U (en) * | 2012-05-31 | 2013-01-09 | 广西泽龙电子科技有限公司 | Detection and control integrated user boundary switch |
| CN104066035A (en) * | 2013-03-21 | 2014-09-24 | 万喻 | Motor vehicle horn long-time sounding protection method and circuit |
| CN205040012U (en) * | 2015-09-18 | 2016-02-17 | 浙江胜必得汽车配件科技有限公司 | Self preservation formula electron loudspeaker and contain car of these self preservation formula electron loudspeaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108257452A (en) * | 2018-01-30 | 2018-07-06 | 上海乐田教育科技有限公司 | A kind of vibration module for teaching programming plate |
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