CN211692690U - Ignition timing simulation device based on multi-cylinder engine electric control system - Google Patents
Ignition timing simulation device based on multi-cylinder engine electric control system Download PDFInfo
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- CN211692690U CN211692690U CN201922385123.2U CN201922385123U CN211692690U CN 211692690 U CN211692690 U CN 211692690U CN 201922385123 U CN201922385123 U CN 201922385123U CN 211692690 U CN211692690 U CN 211692690U
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Abstract
The utility model discloses an ignition timing analogue means based on multi-cylinder engine electric control system adopts driving motor to drive the pivot rotatory for the current collection needle is to coil motion, because the initial position of the current collection needle that the graduated disk of difference corresponds is different, consequently, when pivot rotation quantity is the same, contained angle between different current collection needles and the ignition coil also is different, consequently, in an experimentation, can accomplish the ignition experiment of a plurality of cylinders, acquires the ignition quality and the ignition state of different ignition angles, and easy operation is convenient. Because the utility model discloses an index plate is the transparence, and is equipped with 360 degrees scale marks with the coaxial setting of ignition electrode on the index plate, consequently, when the current collection needle rotates, can be directly through observing the position that the current collection needle instructed, directly perceived different angles of igniting that obtain, judge and look over whether the angle of igniting is correct, whether ignition energy and ignition state succeed.
Description
Technical Field
The utility model relates to an engine ignition angle test field, more specifically relates to an ignition timing analogue means based on multi-cylinder engine electric control system.
Background
At the end of the compression stroke of the engine, when the piston reaches the top of the stroke, the ignition system provides a high-pressure spark to the spark plug to ignite the compressed mixture in the cylinder to produce work, and this time is the ignition timing. To maximize the ignition energy, the ignition timing is typically advanced by an amount, called the spark advance (ignition angle), so that ignition occurs just as soon as the piston reaches Top Dead Center (TDC), rather than just as it does.
The ignition advance angle when the maximum oil consumption of the engine output power is the lowest is called the optimal ignition advance angle, the optimal ignition advance angles of engines of different models are different, and the optimal ignition advance angles of the same engine are different under different working conditions. At present, no ignition angle table is found in the market, and the optimal ignition advance angle of the engine is not known at all. And whether the ignition characteristic of the engine is consistent with the original design under various working conditions cannot be observed at any time, so that the faults of the engine cannot be found in time.
At present, multi-cylinder engines at home and abroad are not provided with ignition timing simulation devices, and have two general defects that 1, ignition angles cannot be visually observed and judged when the engines work normally; 2. and the ignition angle detection device is not available, so that whether the ignition is normal or not can be guaranteed, the ignition is abnormal in the process of the experiment, and the engine is easy to deposit carbon. The existing gasoline octane number measuring machine automatically controls the ignition angle, the ignition angle is estimated through the rotating speed, and the accuracy is not high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a simple structure, control are simple and can accurately acquire directly perceivedly and obtain ignition angle and ignition energy based on multi-cylinder engine electric control system's ignition timing analogue means to current multi-cylinder engine does not have ignition timing analogue means and leads to unable acquisition ignition angle and ignition state in the solution, admits the technical problem who leads to multi-cylinder engine development cycle length.
According to an aspect of the utility model provides an ignition timing analogue means based on multi-cylinder engine electric control system, including frame, driving motor and mounting bracket, driving motor with the mounting bracket interval is installed on the frame, the pivot has been installed to driving motor's output, pivot other end rotary type erects on the mounting bracket, a plurality of current collection needles have been installed along its axial direction interval in the pivot, and driving motor with frame facial make-up between the mounting bracket is equipped with the graduated disk that a plurality of intervals set up, the graduated disk with the current collection needle corresponds one by one, be equipped with on the graduated disk be the annular and with the ignition electrode of the coaxial setting of pivot, ignition electrode passes through the external ignition coil of cylinder line interface, just current collection needle ground connection.
On the basis of the scheme, the dividing disc is preferably a transparent heat-resistant PVC plate, and the ignition electrode is embedded into the dividing disc.
On the basis of the scheme, preferably, the dividing plate is provided with a circular scale marking coaxial with the ignition electrode.
On the basis of the scheme, preferably, one side, far away from the driving motor, of the mounting frame is provided with a rotating speed signal fluted disc.
On the basis of the scheme, preferably, the mounting frame is provided with a photoelectric sensor, and the rotating speed signal fluted disc is provided with a photoelectric emitter.
On the basis of the scheme, the dividing plates are preferably connected through connecting rods, insulating ceramics are arranged on the connecting rods, and the adjacent dividing plates are abutted through the insulating ceramics.
The utility model discloses an ignition timing analogue means based on multi-cylinder engine electric control system adopts driving motor to drive the pivot rotatory for the current collection needle is to coil motion, because the initial position of the current collection needle that the graduated disk of difference corresponds is different, consequently, when pivot rotation quantity is the same, contained angle between different current collection needles and the ignition coil also is different, consequently, in an experimentation, can accomplish the ignition experiment of a plurality of cylinders, acquires the ignition quality and the ignition state of different ignition angles, and easy operation is convenient.
Because the utility model discloses an index plate is the transparence, and is equipped with 360 degrees scale marks with the coaxial setting of ignition electrode on the index plate, consequently, when the current collection needle rotates, can be directly through observing the position that the current collection needle instructed, directly perceived different angles of igniting that obtain, judge and look over whether the angle of igniting is correct, whether ignition energy and ignition state succeed.
Drawings
Fig. 1 is a structural diagram of an ignition timing simulation device based on a multi-cylinder engine electric control system of the utility model;
fig. 2 is a top view of the ignition timing simulation device based on the multi-cylinder engine electric control system of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Please refer to fig. 1, the utility model provides an ignition timing simulator based on multi-cylinder engine electric control system, including frame 10, driving motor 20 and mounting bracket 30, wherein, frame 10 provides the installation support for driving motor 20 and mounting bracket 30, and driving motor 20 provides power to change the angle of ignition, and mounting bracket 30 is then used for providing the output end support of driving motor 20.
The utility model discloses a driving motor 20 and mounting bracket 30 interval are installed on frame 10, and pivot 21 has been installed to driving motor 20's output, and pivot 21 other end rotary type erects on mounting bracket 30, and when driving motor 20 during operation, it is rotatory to drive pivot 21.
The utility model discloses a pivot 21 has installed a plurality of current collecting needle 40 along the axial direction of pivot 21 interval to every current collecting needle 40 is all the same with the contained angle between the horizontal plane, so that its environment adaptation with multi-cylinder engine. The utility model discloses still be and frame 10 facial make-up between driving motor 20 and mounting bracket 30 is equipped with the graduated disk 50 that a plurality of intervals set up, and pivot 21 passes the middle part of graduated disk 50 to make every graduated disk 50 correspond with one of them current-collecting needle 40, be equipped with on the graduated disk 50 be the annular and with the coaxial ignition electrode 51 that sets up of pivot 21, ignition electrode 51 passes through the external ignition coil of cylinder line interface 52.
During simulation, the rotating shaft 21 can be controlled to rotate by the driving motor 20, the collecting needle 40 on the rotating shaft 21 is driven to rotate relative to the dividing plate 50, the relative position relation between the collecting needle 40 and a graduated scale on the dividing plate 50 is observed, when the rotating shaft rotates to a set position, the coil behind a control point discharges, the ignition electrode 51 on the cylinder line interface 52 discharges relative to the collecting needle 40 to generate sparks, and therefore the purpose of ignition is achieved, the ignition effect, the ignition energy and the ignition state of different angles are observed, and the optimal ignition timing angle is obtained through research.
It is worth explaining that, the utility model discloses a pivot 21 is the cavity form, and the current collection needle 40 is through pivot 21 with ground connection to when making ignition coil discharge, make to produce the high voltage difference between current collection needle 40 and ignition electrode 51, thereby in order to realize its purpose of igniteing.
Preferably, the utility model discloses an index plate 50 corresponds one by one with current collection needle 40, and current collection needle 40 is close to the terminal surface that corresponds index plate 50 one side and corresponds and be equipped with the clearance between the index plate 50, and current collection needle 40's top is to corresponding index plate 50 one side bending to in order to guarantee its effect of igniteing.
The utility model discloses an index plate 50 is the heat-resisting PVC board of transparent form, and ignition electrode 51 inlays to in the index plate 50. Utilize to be transparent heat-resisting PVC board to make things convenient for the experimenter to accurately observe out the relative position angle between current collection needle 40 and the graduated disk 50, and inlay ignition electrode 51 to graduated disk 50 in, and make ignition electrode 51's surface expose on the surface of graduated disk 50, not only can guarantee ignition electrode 51's life-span, simultaneously, because the effect of graduated disk 50, can also play insulating purpose, thereby with guarantee experiment operating personnel's safety.
The utility model discloses be equipped with the circular scale marking coaxial with ignition electrode 51 on graduated disk 50, this circular scale marking evenly distributed is in ignition electrode 51's outer fringe side, when current collection needle 40 is rotatory, because current collection needle 40 is the center of pivot 21 as the tie point, consequently, current collection needle 40 is parallel with graduated disk 50's diameter, so when current collection needle 40 is rotatory, can read the position that current collection needle 40 and graduated disk 50 overlap, with the accurate angle that obtains current collection needle 40, thereby in order to acquire the purpose of ignition angle.
The utility model discloses still keep away from driving motor 20 one side at mounting bracket 30 and installed rotational speed signal fluted disc 31 to be equipped with photoelectric sensor at mounting bracket 30 facial make-up, be equipped with photoelectric transmitter on the rotational speed signal dish, when driving motor 20 drives the rotational speed signal dish rotatory, acquire photoelectric transmitter's electricity signal through photoelectric sensor, the initial position of cooperation collecting needle 40 can acquire the relative angle between collecting needle 40 and ignition electrode 51 automatically.
Of course, as another preferred embodiment of the present invention, the present invention can also install an encoder on the rotating shaft 21, so as to obtain the relative angle between the current collecting pin 40 and the ignition electrode 51.
The utility model discloses a link to each other through connecting rod 32 between the graduated disk 50, and be equipped with insulating ceramic 33 on the connecting rod 32, it is inconsistent through insulating ceramic 33 between the adjacent graduated disk 50. The stability of the entire structure is ensured while ensuring the stability between the index plates 50.
The utility model also provides a method for using the ignition timing simulation device based on the multi-cylinder engine electric control system, which comprises the following steps,
step S1, controlling the motor to rotate to drive the collecting needle 40 to rotate relative to the dividing disc 50, and obtaining the relative position of the collecting needle 40 and the ignition coil through the dividing disc 50;
and step S2, discharging through an ignition coil to obtain the ignition condition of the working engine.
The utility model discloses a driving motor 20, what adopt is inverter motor, during the use, through adjusting its frequency in order to change the rotational speed of motor to in order to reach the relative position relation of adjustment current collection needle 40 and ignition electrode 51.
The utility model discloses an ignition timing analogue means based on multi-cylinder engine electric control system, it is rotatory to adopt driving motor 20 to drive pivot 21 for the relative coil motion of current collection needle 40, because the initial position of the current collection needle 40 that different graduated disk 50 correspond is different, therefore, when pivot 21 rotation volume is the same, contained angle between different current collection needles 40 and the ignition coil also is different, consequently, in an experimentation, can accomplish the ignition experiment of a plurality of cylinders, acquire the ignition quality and the ignition state of different ignition angles, and easy operation is convenient.
Because the utility model discloses an index plate 50 is the transparence, and is equipped with 360 degrees scale marks with the coaxial setting of ignition electrode 51 on the index plate 50, consequently, when current collection needle 40 rotated, can directly obtain different ignition angles through observing the position that current collection needle 40 instructed, judge and look over whether correct with the ignition angle, whether ignition energy and ignition state succeed.
Finally, the method of the present application is only a preferred embodiment and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an ignition timing analogue means based on multi-cylinder engine electric control system, a serial communication port, including frame, driving motor and mounting bracket, driving motor with the mounting bracket interval is installed on the frame, the pivot has been installed to driving motor's output, pivot other end rotary type erects on the mounting bracket, a plurality of current collection needles have been installed at the interval in the pivot along its axial direction, and driving motor with frame facial make-up between the mounting bracket is equipped with the graduated disk that a plurality of intervals set up, the graduated disk with the current collection needle corresponds one by one, be equipped with on the graduated disk be the annular and with the ignition electrode of the coaxial setting of pivot, the ignition electrode passes through the external ignition coil of cylinder line interface, just current collection needle ground connection.
2. The ignition timing simulation apparatus based on the multi-cylinder engine electric control system according to claim 1, wherein the index plate is a transparent heat-resistant PVC plate, and the ignition electrode is embedded in the index plate.
3. The ignition timing simulation apparatus based on the multi-cylinder engine electric control system according to claim 2, wherein a circular scale mark coaxial with the ignition electrode is provided on the index plate.
4. The ignition timing simulation apparatus based on the multi-cylinder engine electric control system as claimed in claim 1, wherein a rotation speed signal fluted disc is installed on a side of the mounting bracket far away from the driving motor.
5. The ignition timing simulation device based on the multi-cylinder engine electric control system as claimed in claim 4, wherein the mounting frame is provided with a photoelectric sensor, and the rotation speed signal fluted disc is provided with a photoelectric emitter.
6. The ignition timing simulation device based on the multi-cylinder engine electric control system as set forth in claim 1, wherein the index plates are connected with each other through a connecting rod, and the connecting rod is provided with insulating ceramics, and adjacent index plates are in contact with each other through the insulating ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922385123.2U CN211692690U (en) | 2019-12-26 | 2019-12-26 | Ignition timing simulation device based on multi-cylinder engine electric control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922385123.2U CN211692690U (en) | 2019-12-26 | 2019-12-26 | Ignition timing simulation device based on multi-cylinder engine electric control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211692690U true CN211692690U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922385123.2U Active CN211692690U (en) | 2019-12-26 | 2019-12-26 | Ignition timing simulation device based on multi-cylinder engine electric control system |
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| Country | Link |
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| CN (1) | CN211692690U (en) |
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- 2019-12-26 CN CN201922385123.2U patent/CN211692690U/en active Active
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