CN202965970U - Truck overload warning device based on single chip microcomputer - Google Patents
Truck overload warning device based on single chip microcomputer Download PDFInfo
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- CN202965970U CN202965970U CN 201220587517 CN201220587517U CN202965970U CN 202965970 U CN202965970 U CN 202965970U CN 201220587517 CN201220587517 CN 201220587517 CN 201220587517 U CN201220587517 U CN 201220587517U CN 202965970 U CN202965970 U CN 202965970U
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- micro controller
- controller system
- chip microcomputer
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Abstract
The utility model discloses a truck overload warning device based on a single chip microcomputer, which comprises four NPX1 pressure sensors, an MC9512XS128 single chip microcomputer, a stepping motor and a truck starter, wherein the pressure sensors are connected with an input end of the single chip microcomputer, and an output end of the single chip microcomputer is connected with the stepping motor, an LED (Light Emitting Diode) light and a voice alarm; the stepping motor is connected with the truck starter through a contact button; and an AX8303 voice alarm chip is adopted by the voice alarm. The truck overload warning device has the advantages of simple and reliable structure and stability in operation, an early warning of truck overload can be effectively realized, an effective reminding effect is performed on a driver, and the truck starter is deenergized, so that a truck cannot be started.
Description
Technical field
The utility model belongs to automotive safety technology and computer application field, is specifically related to a kind of SCM Based truck overloading prior-warning device.
Background technology
Along with the develop rapidly of municipal highway, truck has obtained swift and violent development as the main traffic instrument of highway transportation.But problem is also following, and part driver tends to overload transportation in order to seek number one, and overload transportation not only can cause serious harm to highway, but also can threaten other people's safety of travelling on highway, people's personal safety as well as the property safety is caused have a strong impact on.
Freescale is to use a kind of micro controller system very widely on automobile, has that frequency is high, reaction is fast and working stability, is subjected to the characteristics such as antijamming capability is strong, thereby make overload protection device have very high reliability, uses increasingly extensive.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model is, a kind of SCM Based truck overloading prior-warning device is provided.
In order to realize above-mentioned task, the utility model adopts following technical scheme to be achieved:
A kind of SCM Based truck overloading prior-warning device, comprise pressure sensor, micro controller system, stepping motor and truck starter, pressure sensor is connected with the input end of micro controller system, the mouth of micro controller system is connected with stepping motor, LED lamp and phonetic alarm, and stepping motor is connected with the truck starter by contact button.
The utility model also has following technical characterstic:
Described pressure sensor is 4, adopts the NPX1 pressure sensor.
Described micro controller system adopts the MC9512XS128 micro controller system.
Described phonetic alarm adopts AX8303 audio alert chip.
The utility model is simple and reliable for structure, working stability, and the early warning truck overloading, play the actv. reminding effect to chaufeur effectively, and the truck starter is carried out power operation, and truck can't be started.
Description of drawings
Fig. 1 is annexation schematic diagram of the present utility model.
Below in conjunction with drawings and Examples, particular content of the present utility model is described in more detail.
The specific embodiment
Below provide specific embodiment of the utility model, need to prove that the utility model is not limited to following specific embodiment, all equivalents of doing on present techniques scheme basis all fall into protection domain of the present utility model.
Defer to technique scheme, as shown in Figure 1, a kind of SCM Based truck overloading prior-warning device, comprise pressure sensor, micro controller system, stepping motor and truck starter, pressure sensor is connected with the input end of micro controller system, the mouth of micro controller system is connected with stepping motor, LED lamp and phonetic alarm, and stepping motor is connected with the truck starter by contact button.
Described pressure sensor is 4, adopts the NPX1 pressure sensor, a plurality of sensors can be integrated on a plate, is connected in parallel, and carries out the collection of 4 pressure signals.4 installation of sensors are at four angles of circuit board, and the circuit board of 4 pressure sensors in parallel is embedded in car bottom.
Described micro controller system adopts the MC9S12DP256 micro controller system of Freescale.This micro controller system has adopted performance-oriented 16 bit processor HCS12, and abundant instruction repertoire can be provided, and has stronger numerical operation and logical operation capability; In it, high-capacity FLASH memory device has the online programming ability, and EEPROM and RAM can store various control parameters.The configuration and functions such as the low-power consumption crystal oscillator of MC9S12DP256, the control that resets, house dog and real-time interrupt more help the reliability service of system.This micro controller system has very high integrated level, integrated a lot of functional modules on sheet, as serial communication interface, serial device interfaces, USB interface, A D conv, PWM and CAN etc.The input end of micro controller system also is connected with keyboard.
Described phonetic alarm adopts AX8303 audio alert chip.Be arranged on operator's compartment inside, when the cargo load in the compartment surpassed setting value, the audio alert chip can send chimes of doom.
After truck was packed goods into, goods acted on pressure certain on pressure sensor due to Action of Gravity Field.The pressure sensor NPX1 effect of being under pressure, due to the piezoelectric activity principle, can produce the voltage signal of 0～5V at the mouth of sensor, then voltage signal is transferred to micro controller system, because there is the A/D translation function micro controller system inside, be that voltage signal is converted to digital signal with the analog quantity of inputting.Goods in container is more, and it is just larger that analog quantity is converted into digital quantity.Digital quantity represents with a variable in program, and setting value is a constant, and this constant is measured at the truck at full load and obtained.Digital signal is processed through micro controller system, and compared with setting value, during less than the setting value constant, the truck starter can work when the variate-value in program.When variate-value during greater than the setting value constant, micro controller system is by I/O mouth Driving Stepping Motor, the contact button that stepping motor connects, can carry out power operation to starter, the micro controller system output signal is to phonetic alarm and LED lamp simultaneously, the driving phonetic alarm is sounded, and the LED lamp constantly glimmers, and reminds driver's truck to overload.
Claims (4)
1. SCM Based truck overloading prior-warning device, comprise pressure sensor, micro controller system, stepping motor and truck starter, it is characterized in that, pressure sensor is connected with the input end of micro controller system, the mouth of micro controller system is connected with stepping motor, LED lamp and phonetic alarm, and stepping motor is connected with the truck starter by contact button.
2. SCM Based truck overloading prior-warning device as claimed in claim 1, is characterized in that, described pressure sensor is 4, adopts the NPX1 pressure sensor.
3. SCM Based truck overloading prior-warning device as claimed in claim 1, is characterized in that, described micro controller system adopts the MC9512XS128 micro controller system.
4. SCM Based truck overloading prior-warning device as claimed in claim 1, is characterized in that, described phonetic alarm adopts AX8303 audio alert chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220587517 CN202965970U (en) | 2012-11-08 | 2012-11-08 | Truck overload warning device based on single chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220587517 CN202965970U (en) | 2012-11-08 | 2012-11-08 | Truck overload warning device based on single chip microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202965970U true CN202965970U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220587517 Expired - Fee Related CN202965970U (en) | 2012-11-08 | 2012-11-08 | Truck overload warning device based on single chip microcomputer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202965970U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332113A (en) * | 2013-06-14 | 2013-10-02 | 无锡伊佩克科技有限公司 | Throttle control system based on automobile loading capacity |
| CN104527767A (en) * | 2014-12-27 | 2015-04-22 | 长安大学 | Steering wheel capable of warning driver of fatigue driving and control method of steering wheel |
| CN115402277A (en) * | 2022-09-22 | 2022-11-29 | 东风云南汽车有限公司 | Vehicle-mounted overload monitoring induction system of heavy truck |
-
2012
- 2012-11-08 CN CN 201220587517 patent/CN202965970U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332113A (en) * | 2013-06-14 | 2013-10-02 | 无锡伊佩克科技有限公司 | Throttle control system based on automobile loading capacity |
| CN104527767A (en) * | 2014-12-27 | 2015-04-22 | 长安大学 | Steering wheel capable of warning driver of fatigue driving and control method of steering wheel |
| CN115402277A (en) * | 2022-09-22 | 2022-11-29 | 东风云南汽车有限公司 | Vehicle-mounted overload monitoring induction system of heavy truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20131108 |