CN203558041U - Automotive anti-theft alarm - Google Patents
Automotive anti-theft alarm Download PDFInfo
- Publication number
- CN203558041U CN203558041U CN201320723481.XU CN201320723481U CN203558041U CN 203558041 U CN203558041 U CN 203558041U CN 201320723481 U CN201320723481 U CN 201320723481U CN 203558041 U CN203558041 U CN 203558041U
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- Prior art keywords
- electric capacity
- relay
- switch
- resistance
- alarm
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- 239000013078 crystal Substances 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 abstract description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052710 silicon Inorganic materials 0.000 abstract description 7
- 239000010703 silicon Substances 0.000 abstract description 7
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses an automotive anti-theft alarm. The automotive anti-theft alarm comprises a battery, a switch, a first key switch, a second key switch, a first resistor to a third resistor, a first capacitor to a sixth capacitor, a relay, a diode, a voltage-regulator diode, a triode, a first inductor, a second inductor, a loudspeaker, a one-way silicon controlled rectifier and a sound effect integrated chip. When the automotive anti-theft alarm is in the waiting state, the switch is turned on, the second key switch is turned off, an automobile is locked, the relay is in the release state, and the automotive anti-theft alarm does not work; when an automotive lock is unlocked, the second key switch is turned on, the one-way silicon controlled rectifier is triggered to be connected, the relay is closed due to attraction, a normally-open contact switch of the relay is closed, the loudspeaker gives an alarm, and the alarm can be ended only on the situation that the second key switch is turned off. According to the automotive anti-theft alarm, the alarm cannot be given out unless a thief unlocks the automotive lock, sensitivity is high, interference caused by external factors is avoided, accuracy of the alarm is high, and the automotive anti-theft alarm has popularization and application value.
Description
Technical field
The utility model relates to a kind of accessory device of automobile, relates in particular to a kind of car alarm.
Background technology
Along with improving constantly of living standards of the people, automobile has progressively entered in people's life, and has further improved people's trip, and still, its robbed or burgled rate is also soaring repeatedly, to user, has brought very large economic loss.Existing car alarm all adopts vibration sensor to report to the police, and transducer sensitivity is low, can not be effectively antitheft, and sensitivity has arranged height, slightly vibration will be reported to the police, during blowing and raining, cab warning is mad makes more than situation of common occurrence, is difficult to take into account sensitivity and wrong report problem simultaneously.
Utility model content
The purpose of this utility model is just to provide in order to address the above problem a kind of car alarm.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of car alarm, comprises battery, switch, the first button switch, the second button switch, the first resistance to the three resistance, the first electric capacity to the six electric capacity, relay, diode, zener diode, aerotron, the first inductance, the second inductance, loud speaker, one-way SCR and audio integrated chip, the positive pole of described battery is connected with the first end of described switch, the second end of described switch respectively with the first end of described the first resistance, the negative pole of described diode, the first end of described relay, the first end of the normally closed contact switch of described relay, the first end of described the first electric capacity, the negative pole of described zener diode, the power end of described audio integrated chip, the first end of described the 3rd resistance, the first end of described the 6th electric capacity, the first end of described the first inductance is connected with the first end of described loud speaker, the second end of described the first resistance is connected with the control utmost point of described one-way SCR, the positive pole of described diode respectively with the second end of described relay and the anodic bonding of described one-way SCR, the second end of the normally closed contact switch of described relay respectively with the first end of the open contact switch of described relay, the first end of described the first button switch, the first end of described the second button switch, the second end of described the first electric capacity, the positive pole of described zener diode is connected with the negative pole of described battery, the first end of described the second resistance is connected with the first crystal oscillator end of described audio integrated chip, the second end of described the second resistance is connected with the second crystal oscillator end of described audio integrated chip, the mouth of described audio integrated chip is connected with the first end of described the second electric capacity, the second end of described the second electric capacity respectively with the first end of described the 3rd electric capacity, the second end of described the 3rd resistance and the base stage of described aerotron are connected, the collecting electrode of described aerotron is connected with the second end of described the 6th electric capacity, the emitter of described aerotron is connected with the first end of the 4th electric capacity, the second end of described the first inductance is connected with the first end of described the 5th electric capacity, the second end of described the 5th electric capacity is connected with the first end of described the second inductance, the second end of described the second inductance respectively with the second end of described loud speaker, the second end of described the 4th electric capacity, the second end of described the 3rd electric capacity, the ground terminal of described audio integrated chip, the second end of the open contact switch of described relay, the negative electrode of described one-way SCR, the second end of described the first button switch is connected with the second end of described the second button switch.
The beneficial effects of the utility model are:
The utility model is a kind of car alarm, only has when robber opens lock and just can give the alarm, highly sensitive, the interference of having avoided external factor to cause, and warning accuracy rate is high, has popularizing value.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of a kind of car alarm of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of car alarm of the utility model, comprises battery E, switch S, the first button switch SB1, the second button switch SB2, the first resistance R 1 is to the 3rd resistance R 3, the first capacitor C 1 is to the 6th capacitor C 6, relay J, diode D, zener diode DW, aerotron VT, the first inductance L 1, the second inductance L 2, loud speaker BY, unidirectional controllable silicon S CR and audio integrated chip IC, the positive pole of battery E is connected with the first end of switch S, the second end of switch S respectively with the first end of the first resistance R 1, the negative pole of diode D, the first end of relay J, the first end of the normally closed contact switch J-1 of relay J, the first end of the first capacitor C 1, the negative pole of zener diode DW, the power end of audio integrated chip IC, the first end of the 3rd resistance R 3, the first end of the 6th capacitor C 6, the first end of the first inductance L 1 is connected with the first end of loud speaker BY, the second end of the first resistance R 1 is connected with the control utmost point of unidirectional controllable silicon S CR, the positive pole of diode D respectively with the second end of relay J and the anodic bonding of unidirectional controllable silicon S CR, the second end of the normally closed contact switch J-1 of relay J respectively with the first end of the open contact switch J-2 of relay J, the first end of the first button switch SB1, the first end of the second button switch SB2, the second end of the first capacitor C 1, the negative pole of the Anode and battery E of zener diode DW connects, the first end of the second resistance R 2 is connected with the first crystal oscillator end of audio integrated chip IC, the second end of the second resistance R 2 is connected with the second crystal oscillator end of audio integrated chip IC, the mouth of audio integrated chip IC is connected with the first end of the second capacitor C 2, the second end of the second capacitor C 2 respectively with the first end of the 3rd capacitor C 3, the second end of the 3rd resistance R 3 is connected with the base stage of aerotron VT, the collecting electrode of aerotron VT is connected with the second end of the 6th capacitor C 6, the emitter of aerotron VT is connected with the first end of the 4th capacitor C 4, the second end of the first inductance L 1 is connected with the first end of the 5th capacitor C 5, the second end of the 5th capacitor C 5 is connected with the first end of the second inductance L 2, the second end of the second inductance L 2 respectively with the second end of loud speaker BY, the second end of the 4th capacitor C 4, the second end of the 3rd capacitor C 3, the ground terminal of audio integrated chip IC, the second end of the open contact switch J-2 of relay J, the negative electrode of unidirectional controllable silicon S CR, the second end of the first button switch SB1 is connected with the second end of the second button switch SB2.
The model of audio integrated chip IC is KD9561.When wait state, switch S is connected, and the second button switch SB2 disconnects, and car is lockable, and relay J is in release position, and annunciator is not worked.When lock is opened, the second button switch SB2 conducting, the unidirectional controllable silicon S CR conducting that is triggered, relay J adhesive, the open contact switch closure of relay J, loud speaker BY gives the alarm, and now only has to disconnect the second button switch SB2 and report to the police and can finish.
Claims (1)
1. a car alarm, is characterized in that: comprise battery, switch, the first button switch, the second button switch, the first resistance to the three resistance, the first electric capacity to the six electric capacity, relay, diode, zener diode, aerotron, the first inductance, the second inductance, loud speaker, one-way SCR and audio integrated chip, the positive pole of described battery is connected with the first end of described switch, the second end of described switch respectively with the first end of described the first resistance, the negative pole of described diode, the first end of described relay, the first end of the normally closed contact switch of described relay, the first end of described the first electric capacity, the negative pole of described zener diode, the power end of described audio integrated chip, the first end of described the 3rd resistance, the first end of described the 6th electric capacity, the first end of described the first inductance is connected with the first end of described loud speaker, the second end of described the first resistance is connected with the control utmost point of described one-way SCR, the positive pole of described diode respectively with the second end of described relay and the anodic bonding of described one-way SCR, the second end of the normally closed contact switch of described relay respectively with the first end of the open contact switch of described relay, the first end of described the first button switch, the first end of described the second button switch, the second end of described the first electric capacity, the positive pole of described zener diode is connected with the negative pole of described battery, the first end of described the second resistance is connected with the first crystal oscillator end of described audio integrated chip, the second end of described the second resistance is connected with the second crystal oscillator end of described audio integrated chip, the mouth of described audio integrated chip is connected with the first end of described the second electric capacity, the second end of described the second electric capacity respectively with the first end of described the 3rd electric capacity, the second end of described the 3rd resistance and the base stage of described aerotron are connected, the collecting electrode of described aerotron is connected with the second end of described the 6th electric capacity, the emitter of described aerotron is connected with the first end of the 4th electric capacity, the second end of described the first inductance is connected with the first end of described the 5th electric capacity, the second end of described the 5th electric capacity is connected with the first end of described the second inductance, the second end of described the second inductance respectively with the second end of described loud speaker, the second end of described the 4th electric capacity, the second end of described the 3rd electric capacity, the ground terminal of described audio integrated chip, the second end of the open contact switch of described relay, the negative electrode of described one-way SCR, the second end of described the first button switch is connected with the second end of described the second button switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723481.XU CN203558041U (en) | 2013-11-15 | 2013-11-15 | Automotive anti-theft alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723481.XU CN203558041U (en) | 2013-11-15 | 2013-11-15 | Automotive anti-theft alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203558041U true CN203558041U (en) | 2014-04-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320723481.XU Expired - Lifetime CN203558041U (en) | 2013-11-15 | 2013-11-15 | Automotive anti-theft alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203558041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965910A (en) * | 2019-12-18 | 2020-04-07 | 浙江锐盈电子科技有限公司 | Sound-insulation fireproof door with antitheft function |
-
2013
- 2013-11-15 CN CN201320723481.XU patent/CN203558041U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965910A (en) * | 2019-12-18 | 2020-04-07 | 浙江锐盈电子科技有限公司 | Sound-insulation fireproof door with antitheft function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |
|
| CX01 | Expiry of patent term |