CN111664012A - Electronic control idling device, idling system and control method thereof - Google Patents
Electronic control idling device, idling system and control method thereof Download PDFInfo
- Publication number
- CN111664012A CN111664012A CN202010346548.7A CN202010346548A CN111664012A CN 111664012 A CN111664012 A CN 111664012A CN 202010346548 A CN202010346548 A CN 202010346548A CN 111664012 A CN111664012 A CN 111664012A
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- Prior art keywords
- rotor
- coil
- idling
- rotary valve
- reduced
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1005—Details of the flap
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1065—Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1075—Materials, e.g. composites
- F02D9/1085—Non-organic materials, e.g. metals, alloys, ceramics
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2024—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit the control switching a load after time-on and time-off pulses
- F02D2041/2027—Control of the current by pulse width modulation or duty cycle control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/2068—Output circuits, e.g. for controlling currents in command coils characterised by the circuit design or special circuit elements
- F02D2041/2075—Type of transistors or particular use thereof
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The invention provides an electronic control idling device, an idling system and a control method of the idling system, wherein the electronic control idling device comprises an electrified coil and a rotor, the lower part of the rotor is connected with a rotary valve, the rotary valve is used for shielding an idling hole, the lower part of the rotor is connected with a torsion spring, the rotor is a permanent magnet, and the electrified coil drives the rotor to deflect after being electrified. An idle speed stepping motor is omitted, and the cost of the throttle body is effectively reduced; and the hardware cost of the ECU is reduced. A stepping motor driving chip is not needed, and only one NMOS tube is needed; the software complexity is reduced, and the real-time performance of the software is improved. The MCU only needs to control one path of PWM duty ratio, and the code amount and the time consumption are reduced by one order of magnitude; the step-out worry of the stepping motor is avoided; is not sensitive to oil stain and carbon deposit.
Description
Technical Field
The invention relates to the field of automobile control, in particular to an electronic control idling device, an idling system and a control method thereof.
Background
The idle hole mode of regulation includes following three kinds at present, and is first, not adjust, adopts the idle hole of fixed size, advantage: the cost is low and extremely low; the disadvantages are as follows: the method is only suitable for malformed products under the competition of fixed altitude prices, and has low cost, low performance and no prospect. Is commonly used in three-wheeled vehicles in plain. Secondly, manual screw adjustment; the advantages are that: low cost, light weight and high reliability; the disadvantages are as follows: the requirement on a driver is high, and manual adjustment is needed for different altitudes; is commonly used in racing cars. Thirdly, adjusting a stepping motor; the advantages are that: the performance is best; the disadvantages are as follows: the cost is the highest. The motor is high in cost and wire harness cost, a driving chip is needed, and the motor is used in a large area at present, so that the problem existing in the adjustment of the idle speed hole is that the cost is too high or the performance is low.
Disclosure of Invention
In order to solve the technical problem, the invention provides an electronic control idling device which comprises an electrifying coil and a rotor, wherein the lower part of the rotor is connected with a rotary valve, the rotary valve is used for shielding an idling hole, the lower part of the rotor is connected with a torsion spring, the rotor is a permanent magnet, and the rotor is driven to deflect after the electrifying coil is electrified.
Preferably, the energizing coil is connected with a power supply, and the other end of the energizing coil is connected with a PWM end of the ECU.
The electric control idling system comprises a power supply module and an MCU module, wherein the output end of the MCU module is connected with an NMOS (N-channel metal oxide semiconductor) tube, two input pins of the NMOS tube are connected to the output end of the MCU, and the output pins are connected with a coil.
Preferably, the current of the electrified coil is controlled, electromagnetism generated by the electrified coil is repelled by the rotor to push the rotor to rotate by an angle, so that the rotor drives the idling hole controlled by the rotary valve to be opened and adjusted, and the rotor is reset under the action of the torsion spring after power failure.
Preferably, the current of the control coil is adjusted by adjusting the duty ratio of the PWM.
The electric control idling device, the idling system and the control method thereof provided by the invention have the following beneficial effects: the wiring harness is simplified, and the wiring harness cost is reduced. The stepping motor is controlled by 4 wires, and the scheme is a single wire; an idle speed stepping motor is omitted, and the cost of the throttle body is effectively reduced; and the hardware cost of the ECU is reduced. A stepping motor driving chip is not needed, and only one NMOS tube is needed; the software complexity is reduced, and the real-time performance of the software is improved. The MCU only needs to control one path of PWM duty ratio, and the code amount and the time consumption are reduced by one order of magnitude; the step-out worry of the stepping motor is avoided; is not sensitive to oil stain and carbon deposit.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the steering apparatus of the present invention;
FIG. 3 is a schematic circuit diagram of the present invention;
wherein, 1, coil; 2. a permanent magnet; 3. and an idle hole.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, the invention provides an electronic control idling device, which comprises an electrified coil 1 and a rotor, wherein the lower part of the rotor is connected with a rotary valve, the rotary valve is used for shielding an idling hole 3, the lower part of the rotor is connected with a torsion spring, the rotor is a permanent magnet, the electrified coil 1 is electrified to drive the rotor to deflect, the electrified coil 1 is connected with a power supply, and the other end of the electrified coil is connected with a PWM end of an ECU. And (6) unidirectional electrification. One end of the coil 1 is connected with the anode of the battery, and the other end is pulled down by PWM inside the ECU; when the power is on, the coil 1 generates magnetism and repels the rotor permanent magnet 2, overcomes the return force of the rotor torsion spring, and pushes the rotor to deflect for an angle. The current of the coil 1 is adjusted (the PWM duty ratio is changed), the deviation angle of the rotor can be controlled, and the purpose of controlling the opening degree of the idle hole 3 is achieved. As shown in fig. 3, the electronic control idling system comprises a power module and an MCU module, wherein an output end of the MCU module is connected to an NMOS tube, two input pins of the NMOS tube are connected to an output end of the MCU, and an output pin is connected to a coil 1. Controlling the current of the electrified coil 1, repelling the rotor by electromagnetism generated by the electrified coil 1, pushing the rotor to rotate by an angle, so that the rotor drives the idle hole 3 controlled by the rotary valve to open, and resetting the rotor under the action of the torsion spring after power failure; the current of the control coil 1 is adjusted by adjusting the duty ratio of the PWM.
The return force is generated by a torsion spring. When the rotor is not electrified, the torsion spring fixes the rotor to an initial position, the permanent magnet 2 is fixed on the rotor, the rotor can deflect moderately under the repulsive force of the external single coil 1 and the permanent magnet 2, the deflection angle is in positive correlation with the current of the coil 1, and the rotor drives the rotary valve to open and close.
Compared with the scheme of the stepping motor, the device simplifies the wiring harness and reduces the wiring harness cost. The stepping motor is controlled by 4 wires, and the scheme is a single wire; an idle speed stepping motor is omitted, and the cost of the throttle body is effectively reduced; and the hardware cost of the ECU is reduced. A stepping motor driving chip is not needed, and only one NMOS tube is needed; the software complexity is reduced, and the real-time performance of the software is improved. The MCU only needs to control one path of PWM duty ratio, and the code amount and the time consumption are reduced by one order of magnitude; the step-out worry of the stepping motor is avoided; is not sensitive to oil stain and carbon deposit.
Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides an automatically controlled idle device, its characterized in that, includes circular telegram coil, rotor sub-unit connection has the rotary valve, the rotary valve is used for sheltering from the idle hole, rotor sub-unit connection has the torsional spring, the rotor is the permanent magnet, drive behind the circular telegram coil circular telegram the rotor deflects.
2. The electronically controlled idling device of claim 1, wherein the energizing coil is connected to a power source and the other end is connected to a PWM terminal of the ECU.
3. The electric control idling system is characterized by comprising a power supply module and an MCU module, wherein the output end of the MCU module is connected with an NMOS (N-channel metal oxide semiconductor) tube, two input pins of the NMOS tube are connected to the output end of the MCU, and the output pins are connected with a coil.
4. The method as claimed in claim 3, wherein the current of the coil is controlled, the electromagnetic force generated by the coil is repelled from the rotor to push the rotor to rotate, so that the rotor drives the idle hole controlled by the rotary valve to open, and the rotor is reset by the torsion spring after power failure.
5. The electronically controlled idle device of claim 4, wherein the current of the control coil is adjusted by adjusting a PWM duty cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010346548.7A CN111664012A (en) | 2020-04-27 | 2020-04-27 | Electronic control idling device, idling system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010346548.7A CN111664012A (en) | 2020-04-27 | 2020-04-27 | Electronic control idling device, idling system and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111664012A true CN111664012A (en) | 2020-09-15 |
Family
ID=72382824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010346548.7A Pending CN111664012A (en) | 2020-04-27 | 2020-04-27 | Electronic control idling device, idling system and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111664012A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4302720A (en) * | 1979-04-20 | 1981-11-24 | Bulova Watch Company | Galvanometer-type motor |
| DE3039521A1 (en) * | 1980-10-20 | 1982-05-19 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Motor vehicle IC engine idle run control - has throttle servomotor with rotor-facing pole shoes asymmetric w.r.t. rotor |
| US5065718A (en) * | 1989-08-20 | 1991-11-19 | Nippondenso Co., Ltd. | Engine idle control valve |
| KR20010026286A (en) * | 1999-09-04 | 2001-04-06 | 윤장진 | Rotary Type Idle Speed Actuator |
| CN201991622U (en) * | 2010-03-16 | 2011-09-28 | 无锡市吉通机电技术开发有限责任公司 | Electronic throttle instruction device |
| CN106558901A (en) * | 2017-01-25 | 2017-04-05 | 北京鸿智电通科技有限公司 | A kind of output voltage controlling circuit for being applied to charging quickly source |
| CN107045740A (en) * | 2017-03-07 | 2017-08-15 | 吉利汽车研究院（宁波）有限公司 | A kind of car running computer shows system and method |
-
2020
- 2020-04-27 CN CN202010346548.7A patent/CN111664012A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4302720A (en) * | 1979-04-20 | 1981-11-24 | Bulova Watch Company | Galvanometer-type motor |
| DE3039521A1 (en) * | 1980-10-20 | 1982-05-19 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Motor vehicle IC engine idle run control - has throttle servomotor with rotor-facing pole shoes asymmetric w.r.t. rotor |
| US5065718A (en) * | 1989-08-20 | 1991-11-19 | Nippondenso Co., Ltd. | Engine idle control valve |
| KR20010026286A (en) * | 1999-09-04 | 2001-04-06 | 윤장진 | Rotary Type Idle Speed Actuator |
| CN201991622U (en) * | 2010-03-16 | 2011-09-28 | 无锡市吉通机电技术开发有限责任公司 | Electronic throttle instruction device |
| CN106558901A (en) * | 2017-01-25 | 2017-04-05 | 北京鸿智电通科技有限公司 | A kind of output voltage controlling circuit for being applied to charging quickly source |
| CN107045740A (en) * | 2017-03-07 | 2017-08-15 | 吉利汽车研究院（宁波）有限公司 | A kind of car running computer shows system and method |
Non-Patent Citations (1)
| Title |
|---|
| 史立伟 等: "《汽车电子技术》", 31 January 2012 * |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200915 |
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| WD01 | Invention patent application deemed withdrawn after publication |