CN109779772A - Double ECU control devices and control method for V-type engine - Google Patents
Double ECU control devices and control method for V-type engine Download PDFInfo
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- CN109779772A CN109779772A CN201811646388.7A CN201811646388A CN109779772A CN 109779772 A CN109779772 A CN 109779772A CN 201811646388 A CN201811646388 A CN 201811646388A CN 109779772 A CN109779772 A CN 109779772A
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Abstract
The invention belongs to technical field of engines, and in particular to a kind of control method that V-type engine control is carried out for double ECU control devices of V-type engine and using double ECU control devices.Double ECU control devices of the present invention include camshaft signal disk, the first speed probe, the second speed probe, the first ECU controller and the 2nd ECU controller, camshaft signal disk be set to camshaft on and can with the rotation of camshaft common rotation, first speed probe and the second speed probe are set to the lateral surface of camshaft signal disk, first speed probe can be electrically connected with the first ECU controller, and the second speed probe can be electrically connected with the 2nd ECU controller.By using the double ECU control devices and control method of the present invention for V-type engine, reduces the arrangement quantity of camshaft signal disk, improve detection accuracy, reduce manufacturing cost.
Description
Technical field
The invention belongs to technical field of engines, and in particular to a kind of double ECU control devices for V-type engine and make
The control method of V-type engine control is carried out with double ECU control devices.
Background technique
V-type eight cylinder engine is controlled using double ECU, and each ECU controls 4 cylinders.Since each ECU requires cam
Axis tach signal, therefore 2 camshaft speed signals are needed in total.Add 2 cams using 2 camshaft signal disks in the prior art
Axle sensor carries out signal detection.
However the prior art has the disadvantage in that
1, using 2 camshaft signal disks, mismachining tolerance accumulation is larger, and system control precision is poor, at high cost；
2, two camshaft-signal sensors are arranged in the both ends of engine, and connection wiring harness is separately and longer；
3, closer apart from side camshaft-signal sensor because of starter, starter is to camshaft speed signal when engine start
Detection signal will cause interference.
Summary of the invention
Present invention aim to address drawbacks described above and deficiency, which is achieved through the following technical solutions.
The invention proposes a kind of double ECU control devices for V-type engine, the V-type engine includes first convex
Wheel shaft and the second camshaft, wherein double ECU control devices include camshaft signal disk, the first speed probe, second turn
Fast sensor, the first ECU controller and the 2nd ECU controller, the camshaft signal disk are set to first camshaft and institute
State on one of camshaft in the second camshaft and can with the rotation of one camshaft common rotation, described
One speed probe and second speed probe interval are set to the lateral surface of the camshaft signal disk and can examine respectively
The rotation information of the camshaft signal disk is surveyed, first speed probe can pass through electricity with the first ECU controller
The mode of communication is connected, so that the rotation information for the camshaft signal disk that first speed probe is detected is sent out
It send to the first ECU controller, second speed probe can pass through the side of electricity communication with the 2nd ECU controller
Formula is connected, to the rotation information for the camshaft signal disk that second speed probe detects is sent to described
2nd ECU controller.
Further, double ECU control devices of the present invention for V-type engine, the camshaft signal disk are set
In on first camshaft.
Further, double ECU control devices of the present invention for V-type engine, the first ECU controller with
The corresponding cylinder electricity communication connection of first camshaft, the 2nd ECU controller and second camshaft pair
The cylinder electricity communication connection answered.
Further, double ECU control devices of the present invention for V-type engine, the V-type engine are V-type
Eight cylinder engine.
Further, double ECU control devices of the present invention for V-type engine, the camshaft signal disk
Lateral surface is equipped with the multiple datum tooths and a positioning tooth of angle setting at equal intervals.
Further, double ECU control devices of the present invention for V-type engine, the camshaft signal disk
Lateral surface is equipped with eight datum tooths and a positioning tooth of angle setting at equal intervals.
Further, double ECU control devices of the present invention for V-type engine, eight datum tooths include
It is sequentially arranged in the first datum tooth, the second datum tooth, third base of the lateral surface of the camshaft signal disk along clockwise direction
Quasi- tooth, the 4th datum tooth, the 5th datum tooth, the 6th datum tooth, the 7th datum tooth, the 8th datum tooth, wherein the positioning tooth is set
Between first datum tooth and second datum tooth.
Further, double ECU control devices of the present invention for V-type engine, the positioning tooth and described the
One datum tooth differs 15 ° in the angle of same circumferencial direction.
Further, double ECU control devices of the present invention for V-type engine, when the positioning tooth turns to
When the detection position of first speed probe, the first cylinder of the V-type engine reaches compression top center position.
The invention also provides a kind of double ECU control methods for V-type engine, are used for V-type according to described above
Double ECU control devices of engine carry out V-type engine control, the control method the following steps are included:
Detect the rotational angle of camshaft signal disk；
It will test information and be respectively sent to the first ECU controller and the 2nd ECU controller；
The corresponding cylinder of the first camshaft is controlled by the first ECU controller；
The corresponding cylinder of the second camshaft is controlled by the 2nd ECU controller.
By using double ECU control devices of the present invention for V-type engine and use double ECU control devices
The control method of V-type engine control is carried out, it can be using a camshaft signal disk simultaneously to the angle of rotation of two camshafts
Degree is detected, and is reduced the arrangement quantity of camshaft signal disk, is reduced two camshaft signal disks while carrying out information and adopt
The error generated when collection, improves detection accuracy, reduces manufacturing cost.
By using double ECU control devices of the present invention for V-type engine, due to only in engine body
A camshaft signal disk is arranged in side, and camshaft speed sensor is arranged in the side of engine body, can be by starter
It is arranged in the other side of engine body, so that the signal caused by camshaft speed sensor is dry when reducing starter work
It disturbs, simultaneously as two camshaft speed sensor arrangements are closer, carries out harness arrangement convenient for engine.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of camshaft signal disk in Fig. 1；
Fig. 3 is the distributed architecture schematic diagram of the cylinder of v type eight cylinder engine.
Respectively label is expressed as follows in attached drawing:
10: engine body；
20: camshaft signal disk, 21: the first datum tooths, 22: the second datum tooths, 23: third datum tooth, 24: the four benchmark
Tooth, 25: the five datum tooths, 26: the six datum tooths, 27: the seven datum tooths, 28: the eight datum tooths, 29: positioning tooth；
30: the first speed probes；
40: the second speed probes；
51: the first cylinders, 52: the second cylinders, 53: third cylinder, 54: the four cylinders, 55: the five cylinders, 56: the six gas
Cylinder, 57: the seven cylinders, 58: the eight cylinders.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
It should be understood that term used herein merely for description particular example embodiment purpose, and have no intention into
Row limitation.Unless the context clearly indicates otherwise, otherwise singular " one " as used in the text, "one" and " described "
Can also indicate to include plural form.The terms "include", "comprise", " containing " and " having " are inclusives, and therefore
It indicates the presence of stated feature, step, operations, elements, and/or components, but presence or addition one or more is not precluded
A other feature, step, operation, component, assembly unit, and/or their combination.Method and step, process, the Yi Jicao of described in the text
It is not interpreted as that them is necessarily required to execute with described or explanation particular order, executes sequence unless explicitly stated otherwise.Also answer
The step of working as understanding, can be used additionally or alternatively.
Although can be described in the text using term first, second, third, etc. multiple element, component, region, layer and/
Or section, still, these component, assembly units, region, layer and/or section should not be limited by these terms.These terms can be only
For a component, assembly unit, region, layer or section are distinguished with another region, layer or section.Unless context clearly refers to
Out, do not implied that when otherwise the term and other numerical terms of such as " first ", " second " etc use in the text sequence or
Person's order.Therefore, first element discussed below, component, region, layer or section are in the introduction for not departing from example embodiment
In the case of can be referred to as second element, component, region, layer or section.
For ease of description, an element as illustrated in the diagram can be described use space relativeness term in the text
Either feature is relative to another element or the relationship of feature, these relativeness terms are, for example, " inside ", " outside ", " interior
Side ", " outside ", " following ", " lower section ", " above ", " top " etc..This spatial correlation term is intended to include removing to retouch in figure
The different direction of device in use or operation except the orientation drawn.For example, being retouched if the device in figure is overturn
State for " below other elements or feature " either the element " below other elements or feature " will then be orientated "
Above other elements or feature " either " above other elements or feature ".Therefore, exemplary term " in ... lower section " can
To include in orientation upper and under.In addition device can be oriented and (be rotated by 90 ° or in other directions) and used herein
Spatial correlation descriptor correspondingly explains.
Fig. 1 is the overall structure diagram of the embodiment of the present invention.As shown in Figure 1, being used for V-type engine in the present embodiment
Double ECU control devices include the first camshaft, the second camshaft, camshaft signal disk inside the engine body 10
20, the first speed probe 30, the second speed probe 40, the first ECU controller and the 2nd ECU controller.Camshaft signal
Disk 20 be set to the first camshaft on and can with the rotation of the first camshaft common rotation.First speed probe 30 and second
The interval of speed probe 40 is set to the lateral surface of camshaft signal disk 20 and can detect the rotation of camshaft signal disk 20 respectively
Information.First speed probe 20 can be connected by way of electricity communication with the first ECU controller, thus by the first revolving speed
The rotation information for the camshaft signal disk 20 that sensor 20 detects is sent to the first ECU controller.Second speed probe 30
It can be connected by way of electricity communication with the 2nd ECU controller, thus the cam that the second speed probe 30 is detected
The rotation information of axis signal disk 20 is sent to the 2nd ECU controller.
V-type engine in the present embodiment is V-type eight cylinder engine, and the two sides of engine body 10 are respectively provided with four gas
Cylinder, the first camshaft and the second camshaft be respectively used to driving the same side four cylinders (be not shown in the figure the first camshaft and
Second camshaft).First ECU controller cylinder electricity communication connection corresponding with the first camshaft, the 2nd ECU controller
Cylinder electricity communication connection corresponding with the second camshaft.
Camshaft signal disk 20 in the present embodiment is set on the first camshaft, when the first cam axle, camshaft
Signal panels 20 measure the velocity of rotation of camshaft signal disk 20 by the first speed probe 30 with the first camshaft common rotation
And rotational angle, so that the specific works position of the velocity of rotation of the first camshaft and corresponding cylinder is sent to the first ECU control
Device, to carry out control igniting by the cylinder that the first ECU controller corresponds to side to the first camshaft.
Second speed probe 40 and 30 certain angular interval of the first speed probe are arranged, such as 90 °.Second revolving speed passes
Sensor 40 equally can rotational angle to camshaft signal disk 20 and velocity of rotation measure.Due to the first camshaft and
The velocity of rotation of two camshafts is consistent, and the first camshaft and the second camshaft respectively correspond to the position of the cylinder of side
With fixed corresponding relationship, thus the rotation information of the camshaft signal disk 20 detected according to the second speed probe 440,
You can learn that the rotation information of the second camshaft, starts to correspond to side to the second camshaft by the 2nd ECU controller
Machine cylinder carries out control igniting.
Fig. 2 is the structural schematic diagram of camshaft signal disk in Fig. 1.As shown in Fig. 2, in order to effectively to camshaft institute
It is determined in position and rotational angle, the lateral surface of camshaft signal disk 20 is equipped with eight benchmark of angle setting at equal intervals
Tooth and a positioning tooth 29.
Wherein, positioning tooth 29 is for positioning the position of the first camshaft.Datum tooth is used for the first cam
The variation of the rotational angle of axis provides reference, it is ensured that measured value it is accurate.
Further, when positioning tooth 29 turns to the detection position of the first speed probe 30, the first of V-type engine
Cylinder reaches compression top center position.At this point, the first ECU controller, which can control the first cylinder, carries out oil spout igniting.
Further, in this embodiment eight datum tooths include be sequentially arranged in camshaft signal disk along clockwise direction
First datum tooth 21 of 20 lateral surface, the second datum tooth 22, third datum tooth 23, the 4th datum tooth 24, the 5th datum tooth 25,
6th datum tooth 26, the 7th datum tooth 27, the 8th datum tooth 28.Wherein, positioning tooth 29 is set to the first datum tooth 21 and the second base
Between quasi- tooth 22.
Angle of the positioning tooth 29 with the first datum tooth 21 in same circumferencial direction differs 15 ° in the present embodiment.
The invention also provides a kind of double ECU control methods for V-type engine, are used for V according in the present embodiment
Double ECU control devices of h type engine h carry out V-type engine control, the control method the following steps are included:
Detect the rotational angle of camshaft signal disk 20.
It will test information and be respectively sent to the first ECU controller and the 2nd ECU controller.
The corresponding cylinder of the first camshaft is controlled by the first ECU controller.
The corresponding cylinder of the second camshaft is controlled by the 2nd ECU controller.
Fig. 3 is the distributed architecture schematic diagram of the cylinder of v type eight cylinder engine.As shown in Figure 3, wherein the first camshaft is corresponding
The cylinder of side is respectively the first cylinder 51, the second cylinder 52, third cylinder 53 and the 4th cylinder 54.Second camshaft
The cylinder of corresponding side is respectively the 5th cylinder 55, the 6th cylinder 56, the 7th cylinder 57 and 58 cylinder of the 8th gas.When first
When speed probe 30 detects the position of positioning tooth 29, the first cylinder 51 reaches compression top center position, the first ECU control at this time
Device processed controls the first cylinder 51 according to the velocity of rotation of the first camshaft received and lights a fire.When camshaft signal disk 20 is inverse
When hour hands rotate 45 °, the first speed probe 30 detects the right positions of the second datum tooth 22, the second speed probe at this time
40 detect the information of the 8th basic tooth 28, and the 5th cylinder 55 reaches compression top center position at this time, the 2nd ECU controller according to
The velocity of rotation of the second camshaft received controls the 5th cylinder 55 and lights a fire.Camshaft signal disk 20 turns counterclockwise again
When 45 ° dynamic, the first speed probe 30 detects the information of third datum tooth 23, and the 4th cylinder 54 reaches compression top center at this time
Position, the first ECU controller control the 4th cylinder 54 according to the rotation speed of the first camshaft received and light a fire.Work as cam
When axis signal disk 20 rotates counterclockwise 45 ° again, the second speed probe 40 detects the information of the second datum tooth 22, at this time
Eight cylinders 58 reach compression top center position, and the 2nd ECU controller is controlled according to the velocity of rotation of the second camshaft received
8th cylinder 58 is lighted a fire.When camshaft signal disk 20 rotates counterclockwise 45 ° again, the first speed probe 30 is detected
The information of 5th datum tooth 25, the 6th cylinder 56 reaches compression top center position at this time, and the first ECU controller is according to receiving
The velocity of rotation of first camshaft controls the 6th cylinder 56 and lights a fire.When camshaft signal disk 20 rotates counterclockwise 45 ° again,
Second speed probe 40 detects the information of the 4th datum tooth 24, and third cylinder 53 reaches compression top center position at this time, the
Two ECU controllers control third cylinder 53 according to the velocity of rotation of the second camshaft received and light a fire.When camshaft is believed
When dialer 20 rotates counterclockwise 45 ° again, the first speed probe 30 detects the information of the 7th datum tooth 27, at this time the 7th gas
Cylinder 57 reaches compression top center position, and the first ECU controller is according to the velocity of rotation of the first camshaft received control the 7th
Cylinder 57 is lighted a fire.When camshaft signal disk 20 rotates counterclockwise 45 ° again, the second speed probe 40 detects the 6th base
The information of quasi- tooth 26, the second cylinder 52 reaches compression top center position at this time, and the 2nd ECU controller is convex according to receive second
The velocity of rotation of wheel shaft controls the second cylinder 52 and lights a fire.To be completed using the ECU control device in the present embodiment to V-type
Control igniting of the engine in a working cycles.
By using double ECU control devices of the present invention for V-type engine and use double ECU control devices
The control method of V-type engine control is carried out, it can be using a camshaft signal disk simultaneously to the angle of rotation of two camshafts
Degree is detected, and is reduced the arrangement quantity of camshaft signal disk, is reduced two camshaft signal disks while carrying out information and adopt
The error generated when collection, improves detection accuracy, reduces manufacturing cost.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (10)
1. a kind of double ECU control devices for V-type engine, the V-type engine includes the first camshaft and the second cam
Axis, which is characterized in that double ECU control devices include camshaft signal disk, the first speed probe, the second revolution speed sensing
Device, the first ECU controller and the 2nd ECU controller, the camshaft signal disk are set to first camshaft and described second
On one of camshaft in camshaft and can with the rotation of one camshaft common rotation, first revolving speed
Sensor and second speed probe interval are set to the lateral surface of the camshaft signal disk and can detect respectively described
The rotation information of camshaft signal disk, first speed probe can pass through electricity communication with the first ECU controller
Mode is connected, so that the rotation information for the camshaft signal disk that first speed probe detects is sent to institute
The first ECU controller is stated, second speed probe can be connected by way of electricity communication with the 2nd ECU controller
It connects, so that the rotation information for the camshaft signal disk that second speed probe detects is sent to described second
ECU controller.
2. double ECU control devices according to claim 1 for V-type engine, which is characterized in that the camshaft letter
Dialer is set on first camshaft.
3. double ECU control devices according to claim 1 for V-type engine, which is characterized in that the first ECU
Controller cylinder electricity communication connection corresponding with first camshaft, the 2nd ECU controller and described second
The corresponding cylinder electricity communication connection of camshaft.
4. double ECU control devices described in any one of claim 1 to 3 for V-type engine, which is characterized in that
The V-type engine is V-type eight cylinder engine.
5. double ECU control devices according to claim 4 for V-type engine, which is characterized in that the camshaft letter
The lateral surface of dialer is equipped with the multiple datum tooths and a positioning tooth of angle setting at equal intervals.
6. double ECU control devices according to claim 5 for V-type engine, which is characterized in that the camshaft letter
The lateral surface of dialer is equipped with eight datum tooths of angle setting at equal intervals.
7. double ECU control devices according to claim 6 for V-type engine, which is characterized in that eight benchmark
Tooth include the first datum tooth for being sequentially arranged in the lateral surface of the camshaft signal disk along clockwise direction, the second datum tooth,
Third datum tooth, the 4th datum tooth, the 5th datum tooth, the 6th datum tooth, the 7th datum tooth, the 8th datum tooth, wherein described fixed
Position tooth is set between first datum tooth and second datum tooth.
8. double ECU control devices according to claim 7 for V-type engine, which is characterized in that the positioning tooth with
First datum tooth differs 15 ° in the angle of same circumferencial direction.
9. double ECU control devices according to claim 6 for V-type engine, which is characterized in that when the positioning tooth
When turning to the detection position of first speed probe, the first cylinder of the V-type engine reaches compression top center position
It sets.
10. a kind of double ECU control methods for V-type engine, the use according to any one of the claims 1~9
V-type engine control is carried out in double ECU control devices of V-type engine, which comprises the following steps:
Detect the rotational angle of camshaft signal disk；
It will test information and be respectively sent to the first ECU controller and the 2nd ECU controller；
The corresponding cylinder of the first camshaft is controlled by the first ECU controller；
The corresponding cylinder of the second camshaft is controlled by the 2nd ECU controller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811646388.7A CN109779772B (en) | 2018-12-29 | 2018-12-29 | Dual-ECU control device and control method for V-type engine |
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| CN201811646388.7A CN109779772B (en) | 2018-12-29 | 2018-12-29 | Dual-ECU control device and control method for V-type engine |
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| CN109779772A true CN109779772A (en) | 2019-05-21 |
| CN109779772B CN109779772B (en) | 2022-04-26 |
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