CN203129820U - Control circuit of anti-pinch power window - Google Patents
Control circuit of anti-pinch power window Download PDFInfo
- Publication number
- CN203129820U CN203129820U CN2012207160686U CN201220716068U CN203129820U CN 203129820 U CN203129820 U CN 203129820U CN 2012207160686 U CN2012207160686 U CN 2012207160686U CN 201220716068 U CN201220716068 U CN 201220716068U CN 203129820 U CN203129820 U CN 203129820U
- Authority
- CN
- China
- Prior art keywords
- control circuit
- microcontroller
- pinch
- pinch power
- power windows
- Prior art date
- 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
- 239000000523 sample Substances 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Landscapes
- Window Of Vehicle (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The utility model discloses a control circuit of an anti-pinch power window. The control circuit of the anti-pinch power window is characterized in that a microcontroller receives speed signals and direction signals collected by a double-Hall revolution speed transducer, and a high voltage input module of the microcontroller receives control signals of a window lifting control panel and drives a positive and negative relay to drive a motor to work through a lower side driving switch. According to the above structure, the control circuit of the anti-pinch power window has the advantages that the anti-pinch function of the power window is achieved at low cost, the anti-pinch power window is popularized fast, vehicle safety is improved, the complexity of the control circuit of the power window is decreased, and the reliability of the control circuit is improved.
Description
Technical field
The utility model relates to vehicle electric field, particularly a kind of control circuit of anti-pinch power windows.
Background technology
Along with vehicle safety more and more is subject to people's attention, traditional power windows can't satisfy the requirement of people's safety.Because the anti-pinch power windows can effectively prevent in the vehicle window uphill process unexpected injury to human body, therefore more and more widely be applied to various automobiles, become the automotive window development trend, also become the standard configuration of high-grade automobile.
Existing anti-pinch power windows control circuit generally is made up of modules such as power management module, microcontroller MCU, LIN Physical layer, motor drive module, switching signal inputs, the circuit structure complexity, cost is higher, has limited popularizing of anti-pinch power windows to a certain extent.And each module has circuit separately, and the device that whole anti-pinch power vehicle window controller comprises is many, circuit is complicated, reliability is low, cost is high.
At above-mentioned problem, a kind of novel control circuit is provided, realize the pinch resistant functionality of power windows with lower cost, stable performance.
The utility model content
Technical problem to be solved in the utility model is, a kind of control circuit of anti-pinch power windows is provided, and realizes the pinch resistant functionality of power windows with lower cost, stable performance.
For achieving the above object, the technical solution of the utility model is that a kind of control circuit of anti-pinch power windows is characterized in that: described control circuit is that microcontroller receives rate signal and the direction signal that two Hall speed probes are gathered; Drive the rotating relay by low limit driving switch after the control signal of the high pressure input module reception window lifting control panel of microcontroller and drive machine operation, thereby speed and the direction of gathering the vehicle window motion when controlling window lifting realize pinch resistant functionality.
The model of described microcontroller is 16 MC9S12VR64 high integration mixed signal microcontrollers of Freescale company.
Described microcontroller connects automobile and receives that the voltage adjuster by self provides 5V power supply for two Hall speed probes behind the 12V electricity of battery.
Described motor inserts the high pressure input module of microcontroller by relay and motor diagnostic loop, thereby monitors the working condition of motor constantly, in time cuts off circuit when appearance is unusual.
The LIN Physical layer of described microcontroller inserts the LIN bus of automobile.
Described microcontroller is connected to BDM and SCI debugging module, realizes data monitoring and debugging to microcontroller.
The voltage signal of described battery is realized the real-time monitoring to battery tension by the high pressure input module of electric voltage observation circuit access microcontroller.
The model of described pair of Hall speed probe is MLX92251.
A kind of control circuit of anti-pinch power windows, owing to adopt above-mentioned structure, advantage of the present utility model is: the pinch resistant functionality that 1, realizes power windows with lower cost; 2, accelerate popularizing of anti-pinch power windows, improve vehicle safety; 3, reduce the control of anti-pinch power windows circuit complexity, improve its reliability.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail;
Fig. 1 is the structured flowchart of the control circuit of a kind of anti-pinch power windows of the utility model;
In Fig. 1,1, microcontroller; 2, two Hall speed probes; 3, battery; 4, rotating relay; 5, motor; 6, LIN bus; 7, BDM and SCI debugging module; 8, relay and motor diagnostic loop; 9, window lifting control panel; 10, electric voltage observation circuit.
The specific embodiment
As shown in Figure 1, the utility model is that microcontroller 1 receives rate signal and the direction signal that two Hall speed probes 2 are gathered; Work by low limit driving switch driving rotating relay 4 drive motors 5 after the control signal of the high pressure input module reception window lifting control panel 9 of microcontroller 1, thereby in the control window lifting, gather speed and the direction realization pinch resistant functionality that vehicle window moves.Microcontroller 1 connects automobile and receives that the voltage adjuster by self provides 5V power supply for two Hall speed probes 2 behind the 12V electricity of battery 3.
The utility model improves stability in order to reduce the system complex degree, reduces cost, and the utility model adopts 16 MC9S12VR64 high integration mixed signal microcontrollers of Freescale company as the microcontroller 1 of control circuit.This chip internal comprises EEPROM, LIN Physical layer, 5V voltage adjuster, low limit driving switch and flash driving switch, high pressure input module, ADC, SCI, PWM, the Timer etc. of SRAM, the 512B of the Flash of microcontroller, 64KB of 25MHz S12 kernel and 2KB.
At the anti-pinch power windows, the function of each module is as follows in the chip: the microcontroller of 25MHz S12 kernel provides very strong processing and operational capability, execution anti-pinch algorithm software code that can be rapidly and efficiently.The Flash of 64KB and the SRAM of 2KB cooperate the CPU of 25MHz to allow the more complicated control algolithm of operation, equally also support the advanced development approach based on model.The EEPROM of 512B can preserve non-volatile type data, and the data that requirements such as self study value and calibrating parameters outage can not be lost are kept at this zone.The LIN Physical layer provides LIN communication interface, need not the outer LIN transceiver hardware of independent sheet.The 5V voltage adjuster directly converts automobile 12V power supply to CPU and the 5V power supply that two Hall speed probe 2 circuit such as grade need, and need not independent sheet external voltage regulator circuit.Low limit driving switch can directly drive the relay 4 of control lifting glass for vehicle window motor positive and inverse, does not need the relay drive circuit of traditional controller.The flash driving switch can control lifting key on draw and enable.The high pressure input module can be used for directly gathering the action of lifting key, can also be used for the measured automobiles battery tension.ADC, SCI, PWM, Timer etc. can be configured to functions such as electric current and voltage collection, communication, timing.
Can find out thus only needs to adopt this chip of a slice to cooperate some very simple peripheral circuits just can build a perfect anti-pinch power-operated window system circuit again, and reaches the purpose that reduces system complexity, improves stability, reduces cost.
As shown in Figure 1, the 12V power supply of automobile storage battery 3 directly inserts microcontroller 1; Microcontroller 1 builtin voltage adjuster is given two Hall speed probes 2 power supplies of microcontroller 1 kernel and external belt direction measuring ability; Microcontroller 1 can detect battery 3 voltages; Two Hall speed probes 2 of band direction measuring ability are input to microcontroller 1 with rate signal and the direction of motion signal of glass for vehicle window; Microcontroller 1 is communicated by letter in other control modules of automobile by the LIN bus; BDM and SCI debugging module 7 can be used for data monitoring and the debugging of development process; Thereby the lower edge switch module of microcontroller 1 can directly drive rising and decline that the relay drive motors drives glass for vehicle window; The high pressure input module of microcontroller 1 can be used for detecting the user control signal of window lifting control panel 9, simultaneously can be for detection of the fault of relay and motor.Thereby speed and the direction of gathering the vehicle window motion in the control window lifting realize pinch resistant functionality.
For example, four anti-pinching car window controller circuit of various automobiles, specific implementation method is: adopt the MC9S12VR64 chip as microcontroller 1, two Hall speed probes 2 that the band direction of employing MLX92251 or similar model detects are as glass for vehicle window position and velocity sensor, adopt the motor positive and inverse relay 4 of band direction control as motor 5 driving elements, window lifting control panel 9 signals and battery voltage signal are inserted microcontroller 1 by suitable interface circuit, the LIN line is inserted vehicle-mounted LIN bus, can design the automobile anti-pinch power vehicle window controller circuit of complete band LIN communication function.
By reference to the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted technical solutions of the utility model to carry out; or directly apply to other occasion without improvement, all within protection domain of the present utility model.
Claims (8)
1. the control circuit of an anti-pinch power windows is characterized in that: described control circuit is that microcontroller (1) receives rate signal and the direction signal that two Hall speed probes (2) are gathered; Driving rotating relay (4) drive motor (5) by low limit driving switch after the control signal of the high pressure input module reception window lifting control panel (9) of microcontroller (1) works.
2. the control circuit of a kind of anti-pinch power windows according to claim 1, it is characterized in that: the model of described microcontroller (1) is 16 MC9S12VR64 high integration mixed signal microcontrollers of Freescale company.
3. the control circuit of a kind of anti-pinch power windows according to claim 1 and 2 is characterized in that: described microcontroller (1) connects automobile and receives that the voltage adjuster by self provides 5V power supply for pair Hall speed probes (2) behind the 12V electricity of batteries (3).
4. the control circuit of a kind of anti-pinch power windows according to claim 1 and 2 is characterized in that: described motor (5) inserts the high pressure input module of microcontrollers (1) by relay and motor diagnostic loop (8).
5. the control circuit of a kind of anti-pinch power windows according to claim 1 and 2 is characterized in that: the LIN bus (6) of the LIN Physical layer access automobile of described microcontroller (1).
6. the control circuit of a kind of anti-pinch power windows according to claim 1 and 2, it is characterized in that: described microcontroller (1) is connected to BDM and SCI debugging module (7).
7. the control circuit of a kind of anti-pinch power windows according to claim 1 and 2 is characterized in that: the voltage signal of described battery (3) inserts the high pressure input module of microcontroller (1) by electric voltage observation circuit (10).
8. according to the control circuit of claim 1 or 3 described a kind of anti-pinch power windows, it is characterized in that: the model of described pair of Hall speed probe (2) is MLX92251.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207160686U CN203129820U (en) | 2012-12-21 | 2012-12-21 | Control circuit of anti-pinch power window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207160686U CN203129820U (en) | 2012-12-21 | 2012-12-21 | Control circuit of anti-pinch power window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203129820U true CN203129820U (en) | 2013-08-14 |
Family
ID=48937812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207160686U Expired - Fee Related CN203129820U (en) | 2012-12-21 | 2012-12-21 | Control circuit of anti-pinch power window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203129820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533217A (en) * | 2014-11-28 | 2015-04-22 | 埃泰克汽车电子(芜湖)有限公司 | Automobile window control circuit |
-
2012
- 2012-12-21 CN CN2012207160686U patent/CN203129820U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533217A (en) * | 2014-11-28 | 2015-04-22 | 埃泰克汽车电子(芜湖)有限公司 | Automobile window control circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102312634B (en) | Anti-pinching control method and control system for automotive electric window | |
| CN102904504A (en) | Permanent magnet synchronous motor system for automobile | |
| CN101916984B (en) | A kind of IGBT intelligent driving module for new energy automobile and control method thereof | |
| CN101748952A (en) | CAN bus electrical control system for automobile windows | |
| CN203643815U (en) | A Vehicle Controller Based on Safety Function | |
| CN103397828B (en) | Power window switch anti-pinch system | |
| CN201736748U (en) | Electric bicycle tyre pressure detection system | |
| CN201810096U (en) | Novel car window electric control device | |
| CN107745743A (en) | A kind of Electric Power Steering Control System based on functional safety | |
| CN101961998B (en) | Low-power consumption control system of automobile electric trunk system and control method thereof | |
| CN203129820U (en) | Control circuit of anti-pinch power window | |
| CN105059121A (en) | Vehicle control method for solar electric vehicle | |
| CN203381621U (en) | Intelligent vehicle speed control system | |
| CN201941730U (en) | Control circuit of automatic-return wiper motor for vehicle use | |
| CN206336212U (en) | A kind of automobile side pedal control system | |
| CN203104349U (en) | Brush motor controller and electric vehicle | |
| CN107834925B (en) | Alternating current asynchronous motor controller controlled by directional vector | |
| CN112994558B (en) | Asynchronous motor controller | |
| CN203796799U (en) | Low-speed high-power clutch control assembly based on AMT system | |
| CN203613935U (en) | Intelligent control device of electric automobile window | |
| CN201705107U (en) | Clamping-preventive control system of automobile electric window | |
| CN103036489A (en) | Permanent magnet synchronous motor control system | |
| CN204323254U (en) | A kind of multiplex circuit for relay for automobile | |
| CN103600666A (en) | Automatic cruising device used for electric bicycle | |
| CN201989712U (en) | Rearview mirror converter with memorizing function |
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 |
Granted publication date: 20130814 Termination date: 20141221 |
|
| EXPY | Termination of patent right or utility model |