CN204415339U - The annunciator of applied acceleration sensor - Google Patents
The annunciator of applied acceleration sensor Download PDFInfo
- Publication number
- CN204415339U CN204415339U CN201420857823.1U CN201420857823U CN204415339U CN 204415339 U CN204415339 U CN 204415339U CN 201420857823 U CN201420857823 U CN 201420857823U CN 204415339 U CN204415339 U CN 204415339U
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- CN
- China
- Prior art keywords
- cpu
- processing unit
- central processing
- powered
- power management
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001133 acceleration Effects 0.000 title claims abstract description 22
- 230000009286 beneficial effect Effects 0.000 description 1
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- Burglar Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Abstract
Applied acceleration sensor alarm.Traditional alarm is greatly affected by environment, such as touches vehicle body gently, and annunciator will send ear-piercing chimes of doom, therefore often there will be similar " false-alarm " phenomenon, and noise is large, the phenomenon that disturbs residents ubiquity.The utility model composition comprises: backup battery (1), described backup battery (1) is powered to power management chip (6), described power management chip (6) is powered to MCU Central Processing Unit (CPU) (8), described backup battery (1) is powered to LIN transceiver (5), described LIN transceiver (5) and described power management chip (6) signal control, described power management chip (6) is powered to described MCU Central Processing Unit (CPU) (8).The utility model is used for the warning of automobile burglar.
Description
technical field:
the utility model relates to a kind of annunciator of applied acceleration sensor.
background technology:
traditional alarm is greatly affected by environment, such as touches vehicle body gently, and annunciator will send ear-piercing chimes of doom, therefore often there will be similar " false-alarm " phenomenon, and noise is large, the phenomenon that disturbs residents ubiquity.
utility model content:
the purpose of this utility model is to provide a kind of annunciator of applied acceleration sensor.
above-mentioned object is realized by following technical scheme:
a kind of annunciator of applied acceleration sensor, its composition comprises: backup battery, described backup battery is powered to power management chip, described power management chip is powered to MCU Central Processing Unit (CPU), described backup battery is powered to LIN transceiver, described LIN transceiver and described power management chip signal control, described power management chip is powered to described MCU Central Processing Unit (CPU), described LIN transceiver is electrically connected with LIN port, described LIN transceiver is electrically connected with described MCU Central Processing Unit (CPU), described MCU Central Processing Unit (CPU) is electrically connected with MENS acceleration pick-up, described MCU Central Processing Unit (CPU) is electrically connected with buzzing driving circuit, described buzzing driving circuit is connected with mechanical sound-producing device.
described MCU Central Processing Unit (CPU) is electrically connected with battery management circuit, and described battery management circuit is electrically connected with described backup battery.
beneficial effect:
1. the utility model MCU gathers 3-axis acceleration value with specific frequency band, and this frequency band has removal noise, reduces the functions such as flase alarm.
the utility model can be taken precautions against trailer and car load and novel robber driver's section such as copy mechanically.
the utility model energy monitor trailer and car load such as to copy mechanically at novel robber driver's section.
the utility model is a kind of annunciator of applied acceleration sensor, its composition comprises: backup battery, described backup battery is powered to power management chip, described power management chip is powered to MCU Central Processing Unit (CPU), described backup battery is powered to LIN transceiver, described LIN transceiver carries out signal control to described power management chip, described power management chip is powered to described MCU Central Processing Unit (CPU), described LIN transceiver and LIN port carry out signal control by LIN, described MCU Central Processing Unit (CPU) and described LIN transceiver carry out signal control by UART, described MCU Central Processing Unit (CPU) and MENS acceleration pick-up carry out signal control by IIC, described MENS acceleration pick-up is the vehicle body X collected, Y, Z 3-axis acceleration value feeds back to described MCU Central Processing Unit (CPU), described MCU Central Processing Unit (CPU) and buzzing driving circuit carry out signal control by PWM, and then sound horn, described MCU Central Processing Unit (CPU) and battery management circuit carry out signal control, described battery management circuit and described backup battery carry out signal control by A/D.
accompanying drawing illustrates:
accompanying drawing 1 is system chart of the present utility model.
detailed description of the invention:
embodiment 1:
a kind of annunciator of applied acceleration sensor, its composition comprises: backup battery 1, described backup battery 1 pair of power management chip 6 is powered, described power management chip 6 pairs of MCU Central Processing Unit (CPU)s 8 are powered, described backup battery 1 pair of LIN transceiver 5 is powered, described LIN transceiver 5 and described power management chip 6 signal control, described power management chip 6 is powered to described MCU Central Processing Unit (CPU) 8, described LIN transceiver 5 is electrically connected with LIN port 4, described LIN transceiver 5 is electrically connected with described MCU Central Processing Unit (CPU) 8, described MCU Central Processing Unit (CPU) 8 is electrically connected with MENS acceleration pick-up 7, described MCU Central Processing Unit (CPU) 8 is electrically connected with buzzing driving circuit 9, described buzzing driving circuit 9 is connected with mechanical sound-producing device 10.
embodiment 2:
acceleration pick-up annunciator according to embodiment 1, described MCU Central Processing Unit (CPU) 8 is electrically connected with battery management circuit 2, and described battery management circuit 2 is electrically connected with described backup battery 1.
embodiment 3:
burglar alarm according to embodiment 1 or 2 adopts MEMS acceleration pick-up as energizing signal, and MEMS acceleration pick-up can gather vehicle body X, Y, Z 3-axis acceleration value.When setting up defences using annunciator, 3-axis acceleration value is as initial value, when accekeration exceeds alarming threshold value, and alarm equipment alarm.If annunciator threshold value setting principle be MEMS tri-axle value square and exceed threshold values, report to the police, formula is SUM=X
2
+ Y
2
+ Z
2
; If SUM value is greater than alarming threshold value, trigger alarm, this principle contains the change of MEMS all directions.
Claims (2)
1.
a kind of annunciator of applied acceleration sensor, its composition comprises: backup battery, it is characterized in that: described backup battery is powered to power management chip, described power management chip is powered to MCU Central Processing Unit (CPU), described backup battery is powered to LIN transceiver, described LIN transceiver and described power management chip signal control, described power management chip is powered to described MCU Central Processing Unit (CPU), described LIN transceiver is electrically connected with LIN port, described LIN transceiver is electrically connected with described MCU Central Processing Unit (CPU), described MCU Central Processing Unit (CPU) is electrically connected with MENS acceleration pick-up, described MCU Central Processing Unit (CPU) is electrically connected with buzzing driving circuit, described buzzing driving circuit is connected with mechanical sound-producing device.
2.
the annunciator of applied acceleration sensor according to claim 1, is characterized in that: described MCU Central Processing Unit (CPU) is electrically connected with battery management circuit, and described battery management circuit is electrically connected with described backup battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420857823.1U CN204415339U (en) | 2014-12-30 | 2014-12-30 | The annunciator of applied acceleration sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420857823.1U CN204415339U (en) | 2014-12-30 | 2014-12-30 | The annunciator of applied acceleration sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204415339U true CN204415339U (en) | 2015-06-24 |
Family
ID=53465733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420857823.1U Expired - Fee Related CN204415339U (en) | 2014-12-30 | 2014-12-30 | The annunciator of applied acceleration sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204415339U (en) |
-
2014
- 2014-12-30 CN CN201420857823.1U patent/CN204415339U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 |