CN203402314U - Three-wire burglar alarm - Google Patents
Three-wire burglar alarm Download PDFInfo
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- CN203402314U CN203402314U CN201320544089.9U CN201320544089U CN203402314U CN 203402314 U CN203402314 U CN 203402314U CN 201320544089 U CN201320544089 U CN 201320544089U CN 203402314 U CN203402314 U CN 203402314U
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Abstract
The utility model relates to the technical field of locks, in particular to a three-wire burglar alarm. The three-wire burglar alarm comprises a microprocessor which is connected with the input of a vibration detection circuit and the input of a high-frequency receiving circuit, the output of the microprocessor is connected with an electric switch control circuit and a sound amplifying circuit, and the high-frequency receiving circuit receives signals of a remote-control unit. The three-wire burglar alarm is simple in structure and can achieve a motor locking function only by being provided with a power-source positive-pole wire, a power-source negative-pole wire and an electric switch lock wire.
Description
Technical field
The utility model relates to a kind of Car Burglar Alarm, relates in particular to a kind of three line Car Burglar Alarms.
Background technology
Because the reference power supply interface in the industry of battery-driven car is all the cable of 3 cores, be respectively positive source, negative pole and ACC electric switch lock control line.Because the lock motor mode of traditional alert device by power supply positive and negative electrode, also have electric switch locking wire and lock lock motor signal wire (SW) to form, controller lock machine operation process is mainly divided into two part A: electric switch (ACC) must have a trigger voltage to start controller to enter readiness for action.B: controller enters and lock motor signal detected after readiness for action and can carry out lock electric motors function.The battery-driven car of simple type does not have unnecessary interface to do lock motor signal wire (SW) so, so the battery-driven car of simple type can not be done lock electric motors function.
Summary of the invention
The technical problems to be solved in the utility model is: the battery-driven car of simple type does not have unnecessary interface to do lock motor signal wire (SW), so the battery-driven car of simple type can not be done the deficiency of lock electric motors function, provides a kind of three line Car Burglar Alarms.
In order to overcome the defect existing in background technology, the utility model solves the technical scheme that its technical matters adopts: this three line Car Burglar Alarms comprise microprocessor, on described microprocessor, connect the input of shock detection circuit, the input of high frequency receiving circuit, the output of microprocessor connects electric switch control circuit and sound amplifying circuit, and high frequency receiving circuit receives remote controller signal.
According to another embodiment of the invention, further comprise that described microprocessor is micro controller system U2, pin 1 end of described micro controller system U2 connects power end input 48V voltage, 48V voltage connects diode D3 rectification, through diode D3 rectification, connect again mu balanced circuit, described mu balanced circuit is by resistance R 35, capacitor C 32, resistance R 30, zener diode Z2, capacitor C 23, diode Q5 and capacitor C 22 form, the pin 4 of described micro controller system U2 connects RF acceptor circuit, on the pin 7 of described micro controller system U2, connect vibration sensor, the pin 2 of described micro controller system U2 connects the A09 end of electric switch control circuit, the pin 3 of described micro controller system U2 connects the A10 end of electric switch control circuit, the pin 6 of described micro controller system U2 connects the A0 end of sound amplifying circuit, the pin 5 of described micro controller system U2 connects the A1 end of sound amplifying circuit.
According to another embodiment of the invention, further comprise that described sound amplifying circuit comprises that aerotron Q6, aerotron Q7, aerotron Q10 and aerotron Q11 form symmetrical expression Complementary push-pull power amplifier.
According to another embodiment of the invention, further comprise that described electric switch control circuit comprises aerotron Q4, the B utmost point contact resistance R9 of aerotron Q4, the G utmost point of the C utmost point connecting triode Q8 of aerotron Q4, the D utmost point of aerotron Q8 connects the anode of diode D2, and the negative electrode contact resistance R19 of diode D2, resistance R 19 contact resistance R17 and C18 form electric switch testing circuit.
The beneficial effects of the utility model are: this three line Car Burglar Alarms simple in structure, can realize by electric switch line transmission lock motor signal and reach lock electric motors function.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is functional block diagram structural representation of the present utility model;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the RF acceptor circuit schematic diagram being connected with 4 pin in Fig. 2;
Fig. 4 is the acousto-optic amplifying circuit schematic diagram being connected with 5 pin, 6 foots in Fig. 2;
Fig. 5 is the electric switch control circuit schematic diagram being connected with 2 pin, 3 foots in Fig. 2.
The specific embodiment
As shown in Figure 1, figure comprises microprocessor, connects the input of shock detection circuit, the input of high frequency receiving circuit on microprocessor, and the output of microprocessor connects electric switch control circuit and sound amplifying circuit, and high frequency receiving circuit receives remote controller signal.Thereby electric switch control circuit reaches lock electric motors function by transmitted signal, its transmitted signal can be impulse singla, low and high level signal.When high frequency receiving circuit amplifies when remote controller connects signal, after main shock, demodulation, detection and shaping, send microprocessor decoding, when what receive, it is anti-theft signal, microprocessor can enter anti-theft state, and start to detect vibrations circuit, if any trigger alarm signal, can send sound amplifying circuit by output audio signal, the while is output pulse signal power transmission gate control circuit also.
Embodiment: as shown in Figure 2, in figure, be a micro controller system U2, pin 1 end of micro controller system U2 connects power end input, the pin 4 of micro controller system U2 connects RF acceptor circuit, on the pin 7 of micro controller system U2, connect vibration sensor, the pin 2 of micro controller system U2 connects the A09 end of electric switch control circuit, and the pin 3 of micro controller system U2 connects the A10 end of electric switch control circuit, the pin 6 of micro controller system U2 connects the A0 end of sound amplifying circuit, and the pin 5 of micro controller system U2 connects the A1 end of sound amplifying circuit.
As shown in Figure 2, micro controller system U2 pin 1 termination enters 48V voltage, 48V voltage connects diode D3 rectification, through diode D3 rectification, connect again mu balanced circuit, mu balanced circuit is comprised of resistance R 35, capacitor C 32, resistance R 30, zener diode Z2, capacitor C 23, diode Q5 and capacitor C 22, and 48V voltage carries out reduced output voltage 5V voltage through mu balanced circuit.
As shown in Figure 3, the pin of micro controller system U2 4 connects RF acceptor circuits, i.e. high frequency receiving circuit, RF acceptor circuit be mainly during by the high-frequency signal receiving after row amplification, main shock, demodulation, detection and shaping commutation pulse deliver to micro controller system U2 decoding.
As shown in Figure 4, in figure, the pin 6 of micro controller system U2 connects the A0 end of sound amplifying circuit, and the pin 5 of described micro controller system U2 connects the A1 end of sound amplifying circuit.Sound amplifying circuit comprises that aerotron Q6, aerotron Q7, aerotron Q10 and aerotron Q11 form symmetrical expression Complementary push-pull power amplifier.
As shown in Figure 5, the pin 2 of micro controller system U2 connects the A09 end of electric switch control circuit, the pin 3 of micro controller system U2 connects the A10 end of electric switch control circuit, electric switch control circuit comprises aerotron Q4, the B utmost point contact resistance R9 of aerotron Q4, the G utmost point of the C utmost point connecting triode Q8 of aerotron Q4, the D utmost point of aerotron Q8 connects the anode of diode D2, and the negative electrode contact resistance R19 of diode D2, resistance R 19 contact resistance R17 and C18 form electric switch testing circuit.Electric switch output circuit, when micro controller system U2 pin 3 output high level or impulse singla, when micro controller system U2 output high level is delivered to the B utmost point of aerotron Q4 by R9, after its conducting, the pole tension of deleting of aerotron Q8 is dragged down to its conducting work that makes, now aerotron Q8 is to crossing diode D2 to ACC output voltage, micro controller system U2 stops output, and aerotron Q4 also loses conducting-state voltage and ends, and aerotron Q8 also stops output (ACC no-output) simultaneously.Electric switch testing circuit is that ACC detects, and detects ACC for opening or closed condition.
Aerotron Q8 adopts metal-oxide-semiconductor or power triode, guarantees the stable performance of the long-time use of relay, low to the area requirement of voltage, and the effect of long service life.
When Car Burglar Alarm is subject to vibrating, the pin 3 of micro controller system U2 is also to electric switch control circuit transmission lock motor signal when trigger voltage being provided to electric switch control circuit, and electric switch control circuit will be carried out lock electric motors function after signal being detected.Having realized lock motor signal transmits by electric switch line.
Claims (4)
1. a line Car Burglar Alarm, it is characterized in that: comprise microprocessor, on described microprocessor, connect the input of shock detection circuit, the input of high frequency receiving circuit, the output of microprocessor connects electric switch control circuit and sound amplifying circuit, and high frequency receiving circuit receives remote controller signal.
2. three line Car Burglar Alarms as claimed in claim 1, it is characterized in that: described microprocessor is micro controller system U2, pin 1 end of described micro controller system U2 connects power end input 48V voltage, 48V voltage connects diode D3 rectification, through diode D3 rectification, connect again mu balanced circuit, described mu balanced circuit is by resistance R 35, capacitor C 32, resistance R 30, zener diode Z2, capacitor C 23, diode Q5 and capacitor C 22 form, the pin 4 of described micro controller system U2 connects RF acceptor circuit, on the pin 7 of described micro controller system U2, connect vibration sensor, the pin 2 of described micro controller system U2 connects the A09 end of electric switch control circuit, the pin 3 of described micro controller system U2 connects the A10 end of electric switch control circuit, the pin 6 of described micro controller system U2 connects the A0 end of sound amplifying circuit, the pin 5 of described micro controller system U2 connects the A1 end of sound amplifying circuit.
3. three line Car Burglar Alarms as claimed in claim 1, is characterized in that: described sound amplifying circuit comprises that aerotron Q6, aerotron Q7, aerotron Q10 and aerotron Q11 form symmetrical expression Complementary push-pull power amplifier.
4. remote theft-preventing apparatus as claimed in claim 1, it is characterized in that: described electric switch control circuit comprises aerotron Q4, the B utmost point contact resistance R9 of aerotron Q4, the G utmost point of the C utmost point connecting triode Q8 of aerotron Q4, the D utmost point of aerotron Q8 connects the anode of diode D2, and the negative electrode contact resistance R19 of diode D2, resistance R 19 contact resistance R17 and C18 form electric switch testing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320544089.9U CN203402314U (en) | 2013-09-03 | 2013-09-03 | Three-wire burglar alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320544089.9U CN203402314U (en) | 2013-09-03 | 2013-09-03 | Three-wire burglar alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203402314U true CN203402314U (en) | 2014-01-22 |
Family
ID=49938253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320544089.9U Expired - Lifetime CN203402314U (en) | 2013-09-03 | 2013-09-03 | Three-wire burglar alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203402314U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879479A (en) * | 2014-04-01 | 2014-06-25 | 常州市武进华瑞电子有限公司 | Power failure motor-locking anti-theft device |
-
2013
- 2013-09-03 CN CN201320544089.9U patent/CN203402314U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879479A (en) * | 2014-04-01 | 2014-06-25 | 常州市武进华瑞电子有限公司 | Power failure motor-locking anti-theft device |
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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: 20140122 |
|
| CX01 | Expiry of patent term |