CN206946264U - A kind of shock sensor controlable electric current of low-power consumption - Google Patents
A kind of shock sensor controlable electric current of low-power consumption Download PDFInfo
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- CN206946264U CN206946264U CN201720895981.XU CN201720895981U CN206946264U CN 206946264 U CN206946264 U CN 206946264U CN 201720895981 U CN201720895981 U CN 201720895981U CN 206946264 U CN206946264 U CN 206946264U
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Abstract
It the utility model is related to a kind of shock sensor controlable electric current of low-power consumption, including controlling switch unit, impedance transformation unit, filter unit and multiple resistance, vibration switch R4 feeder ear connection controlling switch unit, the CKEN pins that controlling switch unit passes through resistance R1 connection microprocessors U1, the other end of vibration switch connects filter unit and resistance R11 respectively, resistance R11 accesses power cathode, filter unit connects impedance transformation unit, the CKIN pins that impedance transformation unit passes through resistance R7 connection microprocessors U1.
Description
Technical field
The utility model belongs to battery management circuit field, is related to shock sensor circuit, especially a kind of low-power consumption
Shock sensor controlable electric current.
Background technology
Vehicle mounted battery management system low static power consumption circuit includes vibrations trigger element and control unit, shakes trigger element
Sense the vibrations of car, send trigger signal, if control unit is not received by trigger signal in setting time section, illustrate car
Vibrations or transport condition are not on, control unit will control vehicle mounted battery management system to be in low power consumpting state.Correspondingly, when
Car is touched and shake or during transport condition, the vibrations for sensing car are sent trigger signal by vibrations trigger element, are controlled
Unit, which receives battery management system will be waken up under low power consumpting state after trigger signal, enters normal operating conditions.
In the shock sensor circuit being commonly used, either contact type or induction type are all by vibration signal
After processing, Access Control circuit, corresponding action is completed, such as alarm, wake up.Such a circuit has two problems：
1st, because the contacts status of contact type shock sensor is unstable, being likely to be closure during normality is also possible to
It is separation, if switch is just in closure state during normality, just has current loop, increase the power consumption of circuit.
2nd, some products need vibrations circuit to have effect in application shock sensor when normal, but in special occasions
(such as travel position, vibrations can be triggered by jolting) needs this circuit malfunction again.However, it is necessary to this circuit is closed to reach reduction work(
When consumption or other functions, conventional circuit is applied and can not just realized.
Utility model content
The purpose of this utility model is in place of overcome the deficiencies in the prior art, there is provided a kind of shock sensor of low-power consumption
Controlable electric current, the switch of shock sensor is controlled at any time.
Technical scheme is used by the utility model solves technical problem：
A kind of shock sensor controlable electric current of low-power consumption, including controlling switch unit, impedance transformation unit, filter unit
And multiple resistance, vibration switch R4 feeder ear connection controlling switch unit, controlling switch unit pass through the micro- place of resistance R1 connections
Device U1 CKEN pins are managed, the other end of vibration switch connects filter unit and resistance R11 respectively, and resistance R11 access power supplys are born
Pole, filter unit connection impedance transformation unit, the CKIN pins that impedance transformation unit passes through resistance R7 connection microprocessors U1.
Moreover, described controlling switch unit includes controlling transistor Q1 and voltage-stabiliser tube D1, transistor Q1 colelctor electrode connects
Connect vibration switch R4, emitter stage connection positive source, base stage and connect resistance R1 and voltage-stabiliser tube D1, voltage-stabiliser tube D1 connection power supplys respectively
Positive pole.
Moreover, described filter unit includes resistance R8, electric capacity C1, voltage-stabiliser tube D4, electric capacity C2 and resistance R9, resistance R8's
One end connects vibration switch R4, resistance R8 other end connection electric capacity C1 one end, and the electric capacity C1 other end connects voltage stabilizing respectively
Pipe D4, electric capacity C2, resistance R9 one end, voltage-stabiliser tube D4, electric capacity C2, resistance R9 other end ground connection, resistance R9 are also connected with impedance
Converting unit.
Moreover, the impedance transformation unit includes transistor Q4, resistance R2, resistance R3, voltage-stabiliser tube D2, transistor Q2 and electricity
Hinder R10, the resistance R9 of transistor Q4 base stage connection filter unit, grounded emitter, colelctor electrode connection resistance R3 one end, electricity
The resistance R3 other ends connect resistance R2 one end, voltage-stabiliser tube D2 one end, transistor Q2 base stage, the resistance R2 other end point respectively
Not Lian Jie the transistor Q1 colelctor electrodes of controlling switch unit and the voltage-stabiliser tube D2 other end, voltage-stabiliser tube D2 connection transistors Q2 hair
Emitter-base bandgap grading, transistor Q2 colelctor electrode connect resistance R7 and resistance R10, resistance R10 ground connection, resistance R7 connection microprocessors U1 respectively
CKIN pins.
The advantages of the utility model and good effect are：
The vibrations that the utility model realizes shock sensor are controllable, in special occasions (such as travel position), can make
Shock sensor fails, while reduces the power consumption of circuit.
Brief description of the drawings
Fig. 1 is circuit diagram of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described in further detail by specific embodiment, and following examples are simply retouched
The property stated, be not limited, it is impossible to limit the scope of protection of the utility model with this.
A kind of shock sensor controlable electric current of low-power consumption, including controlling switch unit 2, impedance transformation unit 1, filtering list
Member 3 and multiple resistance, vibration switch R4 feeder ear connection controlling switch unit, controlling switch unit are micro- by resistance R1 connections
Processor U1 CKEN pins, the other end of vibration switch connect filter unit and resistance R11, resistance R11 access power supplys respectively
Negative pole, filter unit connection impedance transformation unit, the CKIN pins that impedance transformation unit passes through resistance R7 connection microprocessors U1.
Described controlling switch unit includes controlling transistor Q1 and voltage-stabiliser tube D1, transistor Q1 colelctor electrode connection vibrations
Switch R4, emitter stage connection positive source, base stage connect resistance R1 and voltage-stabiliser tube D1, voltage-stabiliser tube D1 connection positive sources respectively.
Described filter unit includes resistance R8, electric capacity C1, voltage-stabiliser tube D4, electric capacity C2 and resistance R9, resistance R8 one end
Connect vibration switch R4, resistance R8 other end connection electric capacity C1 one end, the electric capacity C1 other end connect respectively voltage-stabiliser tube D4,
Electric capacity C2, resistance R9 one end, voltage-stabiliser tube D4, electric capacity C2, resistance R9 other end ground connection.
The impedance transformation unit includes transistor Q4, resistance R2, resistance R3, voltage-stabiliser tube D2, transistor Q2 and resistance
The resistance R9 of R10, transistor Q4 base stage connection filter unit, grounded emitter, colelctor electrode connection resistance R3 one end, resistance
The R3 other ends connect resistance R2 one end, voltage-stabiliser tube D2 one end, transistor Q2 base stage, resistance R2 other end difference respectively
Connect the transistor Q1 colelctor electrodes of controlling switch unit and the voltage-stabiliser tube D2 other end, voltage-stabiliser tube D2 connection transistors Q2 transmitting
Pole, transistor Q2 colelctor electrode connect resistance R7 and resistance R10 respectively, and resistance R10 is grounded, resistance R7 connection microprocessors U1's
CKIN pins.
Operation principle of the present utility model is：
In whole circuit, shock sensor (vibration switch) is the trigger source of a signal, and this circuit is in vibration-sensing
Feeder ear access one controlling transistor Q1 and voltage-stabiliser tube D1 of device, by a resistance R1, access microcontroller U1 CKEN
Pin, sensor signal access power cathode by a resistance R11, while after resistance R8 and electric capacity C1, access crystal
Pipe Q4 base stage, by Q4 come controlling transistor Q2 break-make, then the CKIN pins by signal access microprocessor, so as to complete
Low-power consumption and signal shaping and filtering and enhanced processing.So no matter shock sensor is in closure or separated position, whole electricity
Road not power consumptions.And only when shock sensor continuous vibration, just there can be pulse output in CKIN.
When needing to shake enabled, CKEN pin are set low level by microprocessor, Q1 conductings, when shock sensor shakes, are had
Signal output, when needing to close vibrations trigger signal, CKEN pin are put high level by microprocessor, while enter resting state,
During vibrations, sensor no signal triggering microprocessor, it will be unable to wake up microprocessor, it is achieved thereby that low-power consumption and vibrations can
Control.
Above-described is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of utility model design is not departed from, various modifications and improvements can be made, these belong to this reality
With new protection domain.
Claims (4)
- A kind of 1. shock sensor controlable electric current of low-power consumption, it is characterised in that：Including controlling switch unit, impedance transformation list Member, filter unit and multiple resistance, vibration switch R4 feeder ear connection controlling switch unit, controlling switch unit pass through resistance R1 connection microprocessors U1 CKEN pins, the other end of vibration switch connect filter unit and resistance R11, resistance R11 respectively Power cathode, filter unit connection impedance transformation unit are accessed, impedance transformation unit passes through resistance R7 connection microprocessors U1's CKIN pins.
- 2. the shock sensor controlable electric current of low-power consumption according to claim 1, it is characterised in that：Described controlling switch Unit includes controlling transistor Q1 and voltage-stabiliser tube D1, transistor Q1 colelctor electrode connection vibration switch R4, emitter stage connection power supply Positive pole, base stage connect resistance R1 and voltage-stabiliser tube D1, voltage-stabiliser tube D1 connection positive sources respectively.
- 3. the shock sensor controlable electric current of low-power consumption according to claim 1, it is characterised in that：Described filter unit Including resistance R8, electric capacity C1, voltage-stabiliser tube D4, electric capacity C2 and resistance R9, resistance R8 one end connects vibration switch R4, resistance R8's Other end connection electric capacity C1 one end, the electric capacity C1 other end connect voltage-stabiliser tube D4, electric capacity C2, resistance R9 one end respectively, surely Pressure pipe D4, electric capacity C2, resistance R9 other end ground connection, resistance R9 are also connected with impedance transformation unit.
- 4. the shock sensor controlable electric current of low-power consumption according to claim 1, it is characterised in that：The impedance transformation list Member includes transistor Q4, resistance R2, resistance R3, voltage-stabiliser tube D2, transistor Q2 and resistance R10, transistor Q4 base stage connection filter The resistance R9 of ripple unit, grounded emitter, colelctor electrode connection resistance R3 one end, the resistance R3 other ends connect resistance R2's respectively One end, voltage-stabiliser tube D2 one end, transistor Q2 base stage, the resistance R2 other end connect the transistor of controlling switch unit respectively The other end of Q1 colelctor electrodes and voltage-stabiliser tube D2, voltage-stabiliser tube D2 connection transistors Q2 emitter stage, transistor Q2 colelctor electrode difference Connect resistance R7 and resistance R10, resistance R10 ground connection, resistance R7 connection microprocessors U1 CKIN pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895981.XU CN206946264U (en) | 2017-07-24 | 2017-07-24 | A kind of shock sensor controlable electric current of low-power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895981.XU CN206946264U (en) | 2017-07-24 | 2017-07-24 | A kind of shock sensor controlable electric current of low-power consumption |
Publications (1)
| Publication Number | Publication Date |
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| CN206946264U true CN206946264U (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720895981.XU Active CN206946264U (en) | 2017-07-24 | 2017-07-24 | A kind of shock sensor controlable electric current of low-power consumption |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111038548A (en) * | 2019-12-31 | 2020-04-21 | 数源久融技术有限公司 | Low-power consumption retarder based on vibration sensor |
-
2017
- 2017-07-24 CN CN201720895981.XU patent/CN206946264U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111038548A (en) * | 2019-12-31 | 2020-04-21 | 数源久融技术有限公司 | Low-power consumption retarder based on vibration sensor |
| CN111038548B (en) * | 2019-12-31 | 2021-02-05 | 数源久融技术有限公司 | Low-power consumption retarder based on vibration sensor |
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