CN205971607U - Anti -interference theftproof warning circuit of electric motor car - Google Patents
Anti -interference theftproof warning circuit of electric motor car Download PDFInfo
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- CN205971607U CN205971607U CN201620938947.1U CN201620938947U CN205971607U CN 205971607 U CN205971607 U CN 205971607U CN 201620938947 U CN201620938947 U CN 201620938947U CN 205971607 U CN205971607 U CN 205971607U
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Abstract
The utility model discloses an anti -interference theftproof warning circuit of electric motor car, including singlechip, relay, relay switch, first amplifier, second amplifier and speaker, the input of singlechip is connected in power V's positive pole, and power V's positive pole is connected with first resistance R1's one end, second resistance R2's one end, potentiometre rp's one end, potentiometre rp's slip end, the one end of relay, relay switch's control electrode respectively, first resistance R1's the other end is connected with vibration switch K1's the one end and the output of singlechip respectively, and second resistance R2's the other end is connected with key switch S's the one end and the output of singlechip respectively, and first electric capacity C1's one end is connected with the output of singlechip, inserts power V's negative pole and ground connection. This anti -interference theftproof warning circuit of electric motor car, the relay switch who adopts hilted broadsword no. 3 to throw, whole warning circuit simple structure, it is small, the safety and stability, the misstatement rate is low.
Description
Technical field
This utility model is related to burglar alarm technical field, the anti-interference anti-theft warning circuit of specially a kind of electric motor car.
Background technology
Develop rapidly with scientific and technical, the continuous improvement of living standards of the people, electric motor car has stepped into people's
In life, and further improve the trip of people.Electric motor car with electricity as the energy, non-exhaust emission, noise are little, it is laborsaving to ride,
Economic and practical the features such as, so that electric motor car becomes the optimum selection of wage-earners, is favored by more and more people.But, its mistake
Robber leads also rises repeatedly, brings very big economic loss to user.The anti-warning of existing electric motor car steals device complex structure, power consumption
Amount is high, and capacity of resisting disturbance is weak.
Utility model content
The purpose of this utility model is to provide the easy electric motor car of a kind anti-interference anti-theft warning circuit, has anti-dry
Disturb effect, solve the problems, such as to mention in above-mentioned technical background.
For achieving the above object, this utility model provides following technical scheme：
A kind of anti-interference anti-theft warning circuit of electric motor car, including single-chip microcomputer, relay, relay switch, the first amplifier,
Second amplifier and speaker, the input of described single-chip microcomputer is connected to the positive pole of power supply V, and the positive pole of power supply V is respectively with
One end of one resistance R1, one end of second resistance R2, one end of potentiometer Rp, the sliding end of potentiometer Rp, the one of relay
End, the control pole of relay switch connect；The other end of first resistor R1 respectively with one end of vibroswitch K1 and single-chip microcomputer
Outfan connects, and the other end of second resistance R2 is connected with one end of key switch S and the outfan of single-chip microcomputer respectively, and first
One end of electric capacity C1 is connected with the outfan of single-chip microcomputer, is linked into the negative pole of power supply V and is grounded；
The other end of described potentiometer Rp is connected with the outfan of single-chip microcomputer and one end of the second electric capacity C2 respectively, monolithic
The outfan of machine is connected with one end of 3rd resistor R3, the base stage of the other end of 3rd resistor R3 and the first audion VT1
Connect, the colelctor electrode of the first audion VT1 is connected with the other end of relay, and the emitter stage of the first audion VT1 is connected to electricity
The negative pole of source V, one end of relay switch is connected with one end of the 5th resistance R5, the 6th resistance R6 and speaker, relay
The other end of switch is connected with the 4th resistance R4 one end, and the other end of the 4th resistance R4 is connected to the second amplifier in the same direction
End, the other end of the 5th resistance R5 is connected to the end in the same direction of the first amplifier, and the other end of the 6th resistance R6 is connected to first
The backward end of amplifier and one end of the 9th resistance R9, the other end of the 9th resistance R9 is connected to the backward end of the second amplifier
And the 7th resistance R7 one end, the other end of the 7th resistance R7 is connected to the emitter stage of the second audion VT2, the first amplification
The outfan of device and the second amplifier connects the first LED 1 and the second LED 2 respectively, and simultaneously
Connection, accesses one end of the 8th resistance R8 after parallel connection, the other end of the 8th resistance R8 is connected with the base stage of the second audion VT2,
The other end of described speaker is connected with the colelctor electrode of the second audion VT2.
Preferably, the voltage of described power supply V is 12V.
Preferably, the model chip IC 8051 of described single-chip microcomputer.
Preferably, described relay switch is SP3T switch.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the anti-interference anti-theft warning circuit of this electric motor car, when causing electric motor car smaller tremors because of electric motor car surrounding,
Vibroswitch K closes automatically, the model chip IC 8051 of single-chip microcomputer, and the triggering terminal potential moment of its chip IC 8051 is changed into low
Level, the first audion VT1 conducting simultaneously, the downward adhesive of relay switch is so that the speaker in circuit is in short-circuit shape
State, speaker will not be reported to the police, and solves the possibility of false alarm.
2nd, the anti-interference anti-theft warning circuit of this electric motor car, when having robber to occur to lead to electric motor car vibration or by mobile when,
The 4th resistance R4 in this circuit opens a way into during short circuit or relay switch adhesive upwards, it will turn-on relay switch and
First LED 1 and the second LED 2, simultaneously luminous in the first LED 1 and second
The parallel interface of diode (LED) 2 arranges the second audion VT2, and speaker is connected on the colelctor electrode of the second audion VT2, this
When circuit in the second audion VT2 in the conduction state, speaker sends warning；Whole alarm circuit structure is simple, body
Amass little, safety and stability, rate of false alarm is low.
Brief description
Fig. 1 is anti-interference anti-theft warning circuit figure of the present utility model.
In figure：1 single-chip microcomputer, 2 relays, 3 relay switches, 4 first amplifiers, 5 second amplifiers, 6 speakers.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1, a kind of anti-interference anti-theft warning circuit of electric motor car, including single-chip microcomputer 1, relay 2, relay switch
3rd, the first amplifier 4, the second amplifier 5 and speaker 6, the input of described single-chip microcomputer 1 is connected to the positive pole of power supply V, power supply
The voltage of V is 12V, by arranging small voltage, can reach power saving and the effect that saves time, the positive pole of power supply V is electric with first respectively
Resistance one end of R1, one end of second resistance R2, one end of potentiometer Rp, the sliding end of potentiometer Rp, one end of relay 2,
The control pole of relay switch 3 connects；The other end of first resistor R1 is defeated with one end of vibroswitch K1 and single-chip microcomputer 1 respectively
Go out end to connect, the other end of second resistance R2 is connected with one end of key switch S and the outfan of single-chip microcomputer 1 respectively, first
One end of electric capacity C1 is connected with the outfan of single-chip microcomputer 1, and the effect of the first electric capacity C1 is filtering, eliminates foreign voltage to single-chip microcomputer
Interference, be linked into the negative pole of power supply V and be grounded；When vibroswitch K and key switch S opens, power supply V can not be direct
Ground connection, is therefore used as by concatenation first resistor R1 and second resistance R2 respectively and whole circuit is protected.
The other end of described potentiometer Rp is connected with the outfan of single-chip microcomputer 1 and one end of the second electric capacity C2 respectively, monolithic
The outfan of machine 1 is connected with one end of 3rd resistor R3, the base of the other end of 3rd resistor R3 and the first audion VT1
Pole connects, and the colelctor electrode of the first audion VT1 is connected with the other end of relay 2, and the emitter stage of the first audion VT1 is connected to
The negative pole of power supply V, one end of relay switch 3 is connected with one end of the 5th resistance R5, the 6th resistance R6 and speaker 6, continues
The other end of electric switch 3 is connected with the 4th resistance R4 one end, and the other end of the 4th resistance R4 is connected to the second amplifier 5
Hold in the same direction, the other end of the 5th resistance R5 is connected to the end in the same direction of the first amplifier 4, the other end of the 6th resistance R6 is connected to
The backward end of the first amplifier 4 and one end of the 9th resistance R9, the other end of the 9th resistance R9 is connected to the second amplifier 5
Backward end and one end of the 7th resistance R7, the other end of the 7th resistance R7 is connected to the emitter stage of the second audion VT2, the
The outfan of one amplifier 4 and the second amplifier 5 connects the first LED 1 and the second light emitting diode respectively
LED2, and in parallel, one end of access the 8th resistance R8 after parallel connection, the other end of the 8th resistance R8 and the second audion VT2's
Base stage connects, and the other end of described speaker 6 is connected with the colelctor electrode of the second audion VT2.Relay switch 3 is hilted broadsword three
Throw switch, when because when electric motor car surrounding causes electric motor car smaller tremors, vibroswitch K closes automatically, the type of single-chip microcomputer 1
Number it is chip IC 8051, the triggering terminal potential moment of its chip IC 8051 is changed into low level, and the first audion VT1 leads simultaneously
Logical, the downward adhesive of relay switch 3 so that the speaker 6 in circuit is in short-circuit condition, will not report to the police by speaker 6, but due to
In whole circuit, it is provided with the first LED 1 and the second LED 2, by the first light-emitting diodes
Pipe LED1 and the second LED 2 act on controlling luminous alarm；When having robber to occur to lead to electric motor car vibration or
When being moved, the 4th resistance R4 in this circuit opens a way into during short circuit or relay switch 3 adhesive upwards, it will conducting relay
Device switch 3 and the first LED 1 and the second LED 2, simultaneously in the first LED 1
Second audion VT2 is set with the parallel interface of the second LED 2, speaker 6 is connected on the second audion VT2's
On colelctor electrode, now the second audion VT2 in circuit is in the conduction state, and speaker 6 sends warning.
In sum：The anti-interference anti-theft warning circuit of this electric motor car, when having robber to occur to lead to electric motor car vibration, vibration
Switch K closes automatically, the model chip IC 8051 of single-chip microcomputer 1, and the triggering terminal potential moment of its chip IC 8051 is changed into low electricity
Flat, the first audion VT1 conducting simultaneously, the downward adhesive of relay switch 3 is so that the speaker 6 in circuit is in short-circuit shape
State, speaker 6 will not be reported to the police；When relay switch 3 adhesive upwards, the first LED 1 and the second light emitting diode
LED2 works, and the second audion VT2 in circuit is in the conduction state, and speaker 6 sends warning.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. the anti-interference anti-theft warning circuit of a kind of electric motor car, including single-chip microcomputer（1）, relay（2）, relay switch（3）, first
Amplifier（4）, the second amplifier（5）And speaker（6）It is characterised in that：Described single-chip microcomputer（1）Input be connected to power supply
The positive pole of V, the positive pole of power supply V respectively with one end of first resistor R1, one end of second resistance R2, one end of potentiometer Rp,
The sliding end of potentiometer Rp, relay（2）One end, relay switch（3）Control pole connect；First resistor R1 another
End one end and the single-chip microcomputer with vibroswitch K1 respectively（1）Outfan connect, the other end of second resistance R2 respectively with press
One end of key switch S and single-chip microcomputer（1）Outfan connect, one end of the first electric capacity C1 and single-chip microcomputer（1）Outfan connect,
It is linked into the negative pole of power supply V and be grounded；
The other end of described potentiometer Rp respectively with single-chip microcomputer（1）Outfan and the second electric capacity C2 one end connect, single-chip microcomputer
（1）Outfan be connected with one end of 3rd resistor R3, the base stage of the other end of 3rd resistor R3 and the first audion VT1
Connection, the colelctor electrode of the first audion VT1 and relay（2）The other end connect, the emitter stage of the first audion VT1 is connected to
The negative pole of power supply V, relay switch（3）One end and the 5th resistance R5, the 6th resistance R6 and speaker（6）One end even
Connect, relay switch（3）The other end be connected with the 4th resistance R4 one end, the other end of the 4th resistance R4 is connected to second and puts
Big device（5）End in the same direction, the other end of the 5th resistance R5 is connected to the first amplifier（4）End in the same direction, the 6th resistance R6's
The other end is connected to the first amplifier（4）Backward end and the 9th resistance R9 one end, the other end of the 9th resistance R9 connects
In the second amplifier（5）Backward end and the 7th resistance R7 one end, the other end of the 7th resistance R7 is connected to the two or three pole
The emitter stage of pipe VT2, the first amplifier（4）With the second amplifier（5）Outfan connect the first light emitting diode respectively
LED1 and the second LED 2, and in parallel, access one end of the 8th resistance R8 after parallel connection, the 8th resistance R8's is another
One end is connected with the base stage of the second audion VT2, described speaker（6）The other end and the second audion VT2 colelctor electrode
Connect.
2. a kind of anti-interference anti-theft warning circuit of electric motor car according to claim 1 it is characterised in that：Described power supply V
Voltage be 12V.
3. a kind of anti-interference anti-theft warning circuit of electric motor car according to claim 1 it is characterised in that：Described single-chip microcomputer
（1）Model chip IC 8051.
4. a kind of anti-interference anti-theft warning circuit of electric motor car according to claim 1 it is characterised in that：Described relay is opened
Close（3）For SP3T switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620938947.1U CN205971607U (en) | 2016-08-25 | 2016-08-25 | Anti -interference theftproof warning circuit of electric motor car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620938947.1U CN205971607U (en) | 2016-08-25 | 2016-08-25 | Anti -interference theftproof warning circuit of electric motor car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205971607U true CN205971607U (en) | 2017-02-22 |
Family
ID=58034936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620938947.1U Active CN205971607U (en) | 2016-08-25 | 2016-08-25 | Anti -interference theftproof warning circuit of electric motor car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205971607U (en) |
-
2016
- 2016-08-25 CN CN201620938947.1U patent/CN205971607U/en active Active
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |