CN205663344U - Automobile -usedly prevent pressing from both sides controller based on two hall sensor - Google Patents
Automobile -usedly prevent pressing from both sides controller based on two hall sensor Download PDFInfo
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- CN205663344U CN205663344U CN201620555446.5U CN201620555446U CN205663344U CN 205663344 U CN205663344 U CN 205663344U CN 201620555446 U CN201620555446 U CN 201620555446U CN 205663344 U CN205663344 U CN 205663344U
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- motor
- hall sensor
- automobile
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Abstract
The utility model provides an automobile -usedly prevent pressing from both sides controller based on two hall sensor, include microprocessor MCU, with input interface circuit, position detection circuit that microprocessor MCU is connected, motor -drive circuit and microprocessor MCU's control -end signal are connected, the position detection circuit be two hall sensor circuit, microprocessor MCU demarcates the duty cycle, the door window that detect the hall device pulse width to the door window and forms and the motor revolution of each position of normal climb in -process door window and the moment of torsion of each position, the door window motor is rotatory to make and sets up on the motor the two hall square signal that the two hall sensor of utensil dephased sent the rule respectively to send into treater MCU controller. Because the position detection circuit has adopted two hall sensor circuit, obtain the door window in real time at the moment of torsion of each position, the high accuracy realizes preventing pressing from both sides, and hardware architecture is simple, the software algorithm is convenient, with low costs.
Description
Technical field
Automatically controlling of this utility model design vehicle glass for vehicle window, particularly relates to a kind of lifting glass for vehicle window and prevents clamping
Put.
Background technology
Along with the fast development of auto industry, automobile popularity rate the most quickly improves.It is raw that automobile increasingly becomes people
The vehicles important in the middle of living, he will become a part indispensable in our life.Along with Hyundai Motor electronic technology
Progress, parts traditional in automobile and assembly also to electromechanical integration develop.The electronic equipment widely applied in automobile,
Not only increase the comfortableness of automobile, also the requirement to the proposing property of safety of automobile.
Power windows is to use the devices such as motor, lifter, switch to control the lifting of glass for vehicle window, and he has switch
Convenient, multiple vehicle window can be operated, the advantage such as remote controlled simultaneously.If but the most easily there is security incident in misoperation.
Child was the most all occurred to be blocked the time being choked to death by automobile electric window.For safety, exploitation has anti-pinch merit
The vehicle window control module of energy is the most necessary.
Anti-pinching car window mainly considers anti-pinch regionally detecting, anti-grip force, vehicle window Parameters variation and road condition change thereof etc..Common
Power window clamp prevention typically uses electric current testing, and it uses the fault current monitoring Car window electric machine in real time, it is judged that whether vehicle window
Clamping foreign body, the method hardware cost is higher, and software algorithm is complicated, and accuracy is the highest, and precision is relatively low, it is impossible at low price car
Middle popularization, and easily caused anti-pinch by mistake by ectocine.And anti-pinch current threshold with vehicle, service condition etc. change and
Change, and need before application to test in a large number, portable poor.
Summary of the invention
The purpose of this utility model is the defect existed for prior art, it is provided that one is realized with a low cost anti-pinching car window
Function and precision height, the automobile-used clamp prevention controller of safety and stability.
For reaching above-mentioned purpose, this utility model uses following technical proposals: a kind of based on dual-Hall sensor automobile-used
Clamp prevention controller, the input interface circuit being connected with Micro-processor MCV including power circuit, Micro-processor MCV, motor drive
Circuit, position sensing circuit, motor-drive circuit is connected with the control end signal of Micro-processor MCV, described position sensing electricity
Road is dual-Hall sensor circuit, Micro-processor MCV to vehicle window demarcate detection the dutycycle of hall device pulsewidth, vehicle window formed and
The motor rotations of each position of vehicle window and the moment of torsion of each position in normal uphill process, Car window electric machine rotates and makes to be arranged on
Have dephased dual-Hall sensor on motor and send two Hall square-wave signals of rule respectively, and send into processor MCU control
Device processed, judges direction of motor rotation, motor rotations, window travel position, and root by calculating contrast two Hall square-wave signals
Calculate the moment of torsion of real electrical machinery according to motor rotations rate of change, and judge there is clear on vehicle window compared with calibration value, drive
Motor reversal or stall realize pinch resistant functionality.
Improve as one: dual-Hall sensor circuit is connected with Micro-processor MCV position I/O message number respectively.
Improve as one: judge motor by the phase contrast relation contrasting two Hall square-wave signal rising edges or trailing edge
Rotation direction forward or reverse.
Improve as one: the Hall element initial offset angle that two are arranged on motor is less than or equal to 90 °.
Improve as one: rotary speed data is processed by low pass filter and draws a smooth speed by Micro-processor MCV
Curve, when curvilinear motion reaches anti-grip force threshold value, Micro-processor MCV controls the reversion of motor powered glass for vehicle window or stall, real
Existing anti-pinch.
The utility model has the advantages that: owing to position sensing circuit have employed dual-Hall sensor circuit, obtain car in real time
Window is in the moment of torsion of each position, done with high accuracy anti-pinch, and hardware configuration is simple, software algorithm convenient, low cost.Can keep away simultaneously
Exempt from motor and distinguish rotation direction and the stroke recording mistake that causes by mistake, make the problems such as vehicle window is not closed completely.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing to this practicality
Novel it is described in further detail.
Accompanying drawing explanation
Fig. 1 is the block diagram of a kind of automobile-used clamp prevention controller based on dual-Hall sensor of this utility model.
Fig. 2 is the circuit theory diagrams of a kind of automobile-used clamp prevention controller based on dual-Hall sensor.
Detailed description of the invention
A kind of embodiment of this utility model automobile-used clamp prevention controller based on dual-Hall sensor, including power circuit A,
Input interface circuit B that Micro-processor MCV is connected with Micro-processor MCV, motor-drive circuit C, position sensing circuit D, Lin
The control end letter of transceiver module E, push button signalling input circuit F, key signal circuit G, motor-drive circuit and Micro-processor MCV
Number connect, dual-Hall sensor circuit is connected with Micro-processor MCV position I/O message number respectively.Described position sensing circuit
For dual-Hall sensor circuit, vehicle window is demarcated the detection dutycycle of hall device pulsewidth by Micro-processor MCV, vehicle window is formed and just
The often motor rotations of each position of vehicle window and the moment of torsion of each position in uphill process, Car window electric machine rotates and makes to be arranged on electricity
Have dephased dual-Hall sensor on machine and send two Hall square-wave signals of rule respectively, and send into processor MCU control
Device, judges direction of motor rotation, motor rotations, window travel position by calculating contrast two Hall square-wave signals, and according to
Motor rotations rate of change calculates the moment of torsion of real electrical machinery, and judges there is clear on vehicle window compared with calibration value, drives electricity
Machine reversion or stall realize pinch resistant functionality.The present embodiment is by contrasting two Hall square-wave signal rising edge or the phase contrasts of trailing edge
Relation judges direction of motor rotation forward or reverse.Precisely differentiate direction of motor rotation, accurately calculate stroke and the car of vehicle window
Window present position, it is to avoid motor distinguishes rotation direction and the stroke recording mistake that causes by mistake, makes the problems such as vehicle window is not closed completely.For side
Just two Hall square-wave signal rising edges or the phase contrast relation of trailing edge are contrasted, it is seen that two are arranged on the Hall element on motor
Initial offset angle is less than or equal to 90 °.
For simplifying controller circuitry algorithm, reducing cost, rotary speed data is processed by Micro-processor MCV by low pass filter
Drawing a smooth rate curve, when curvilinear motion reaches anti-grip force threshold value, Micro-processor MCV controls motor powered vehicle window glass
Glass reversion or stall, it is achieved anti-pinch.
Although this utility model is open as above with specific embodiment, but it is not limited to this utility model, appoints
What those skilled in the art, in the case of without departing from spirit and scope of the present utility model, still can make a little change with
Retouching, protection domain the most of the present utility model should be as the criterion depending on the defined person of the scope of appending claims.
Claims (9)
1. an automobile-used clamp prevention controller based on dual-Hall sensor, it is characterised in that: include power circuit, microprocessor
Input interface circuit that MCU is connected with Micro-processor MCV, motor-drive circuit, position sensing circuit, motor-drive circuit with
The control end signal of Micro-processor MCV connects, and described position sensing circuit is dual-Hall sensor circuit, Micro-processor MCV
Vehicle window is demarcated the detection dutycycle of hall device pulsewidth, vehicle window is formed and the motor of each position of vehicle window in normal uphill process
Revolution and the moment of torsion of each position, Car window electric machine rotates to make to be arranged on and has dephased dual-Hall sensor on motor and divide
Do not send two Hall square-wave signals of rule, and send into processor MCU controller, sentence by calculating contrast two Hall square-wave signals
Break and direction of motor rotation, motor rotations, window travel position, and calculate the torsion of real electrical machinery according to motor rotations rate of change
Square, and judge there is clear on vehicle window compared with calibration value, drive motor reversal or stall to realize pinch resistant functionality.
Automobile-used clamp prevention controller based on dual-Hall sensor the most according to claim 1, it is characterised in that: double hall sensings
Device circuit is connected with Micro-processor MCV position I/O message number respectively.
Automobile-used clamp prevention controller based on dual-Hall sensor the most according to claim 1 or claim 2, it is characterised in that: by right
Direction of motor rotation forward or reverse is judged than the phase contrast relation of two Hall square-wave signal rising edges or trailing edge.
Automobile-used clamp prevention controller based on dual-Hall sensor the most according to claim 1 or claim 2, it is characterised in that: two install
Hall element initial offset angle on motor is less than or equal to 90 °.
Automobile-used clamp prevention controller based on dual-Hall sensor the most according to claim 3, it is characterised in that: two are arranged on electricity
Hall element initial offset angle on machine is less than or equal to 90 °.
Automobile-used clamp prevention controller based on dual-Hall sensor the most according to claim 1 or claim 2, it is characterised in that: micro-process
Rotary speed data is processed by low pass filter and draws a smooth rate curve, when curvilinear motion reaches anti-grip force threshold by device MCU
During value, Micro-processor MCV controls the reversion of motor powered glass for vehicle window or stall, it is achieved anti-pinch.
Automobile-used clamp prevention controller based on dual-Hall sensor the most according to claim 3, it is characterised in that: microprocessor
Rotary speed data is processed by low pass filter and draws a smooth rate curve, when curvilinear motion reaches anti-grip force threshold value by MCU
Time, Micro-processor MCV controls the reversion of motor powered glass for vehicle window or stall, it is achieved anti-pinch.
Automobile-used clamp prevention controller based on dual-Hall sensor the most according to claim 4, it is characterised in that: microprocessor
Rotary speed data is processed by low pass filter and draws a smooth rate curve, when curvilinear motion reaches anti-grip force threshold value by MCU
Time, Micro-processor MCV controls the reversion of motor powered glass for vehicle window or stall, it is achieved anti-pinch.
Automobile-used clamp prevention controller based on dual-Hall sensor the most according to claim 5, it is characterised in that: microprocessor
Rotary speed data is processed by low pass filter and draws a smooth rate curve, when curvilinear motion reaches anti-grip force threshold value by MCU
Time, Micro-processor MCV controls the reversion of motor powered glass for vehicle window or stall, it is achieved anti-pinch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620555446.5U CN205663344U (en) | 2016-06-07 | 2016-06-07 | Automobile -usedly prevent pressing from both sides controller based on two hall sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620555446.5U CN205663344U (en) | 2016-06-07 | 2016-06-07 | Automobile -usedly prevent pressing from both sides controller based on two hall sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205663344U true CN205663344U (en) | 2016-10-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620555446.5U Expired - Fee Related CN205663344U (en) | 2016-06-07 | 2016-06-07 | Automobile -usedly prevent pressing from both sides controller based on two hall sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205663344U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863424A (en) * | 2016-06-07 | 2016-08-17 | 浙江精通自动控制技术有限公司 | Automotive anti-pinch controller based on double Hall sensors |
| CN106869670A (en) * | 2017-03-23 | 2017-06-20 | 东莞雅音电子科技有限公司 | Electric door detection means and detection control method |
-
2016
- 2016-06-07 CN CN201620555446.5U patent/CN205663344U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863424A (en) * | 2016-06-07 | 2016-08-17 | 浙江精通自动控制技术有限公司 | Automotive anti-pinch controller based on double Hall sensors |
| CN106869670A (en) * | 2017-03-23 | 2017-06-20 | 东莞雅音电子科技有限公司 | Electric door detection means and detection control method |
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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: 20161026 Termination date: 20170607 |