CN202083550U - Power assembly electronic control development platform and signal simulator thereof - Google Patents
Power assembly electronic control development platform and signal simulator thereof Download PDFInfo
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- CN202083550U CN202083550U CN2011201679007U CN201120167900U CN202083550U CN 202083550 U CN202083550 U CN 202083550U CN 2011201679007 U CN2011201679007 U CN 2011201679007U CN 201120167900 U CN201120167900 U CN 201120167900U CN 202083550 U CN202083550 U CN 202083550U
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- camshaft
- electronic control
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Abstract
The utility model discloses a signal simulator for a power assembly electronic control development platform, which comprises a power component, a driving rotary shaft, a driving gear disk, a crankshaft gear disk, a driven rotary shaft, a driven gear disk, a camshaft gear disk, a crankshaft sensor and a camshaft sensor. The power component outputs rotary driving force; one end of the driving rotary shaft is coaxially fixed to an output shaft of the power component; the driving gear disk and the crankshaft gear disk are respectively arranged on the driving rotary shaft; the driven rotary shaft is oppositely parallel to the driving rotary shaft; the driven gear disk and the camshaft gear disk are respectively arranged on the driven rotary shaft; the driven gear disk is driven by the driving gear disk; and the crankshaft sensor and the camshaft sensor correspond to the crankshaft gear disk and the camshaft gear disk respectively and are used for outputting crankshaft speed signals and camshaft speed signals to an engine control unit on the power assembly electronic control development platform respectively. The signal simulator is capable of outputting stable crankshaft and camshaft speed signals to improve the operating stability of the power assembly electronic control development platform. On the basis, the utility model further provides the power assembly electronic control development platform applying the signal simulator.
Description
Technical field
The utility model relates to technical field of automotive electronics, is specifically related to a kind of signal imitation device and uses the power assembly Electronic Control development platform of this signal imitation device.
Background technology
As everyone knows, the quality of vehicle dynamic quality at first depends on the dynamic property of engine.For this reason, in the R﹠D process of engine, need carry out omnibearing simulation trial-production at structural design and control system.Particularly, car engine electronic control module (ECU) is the core of automobile engine control system, it can be according to the different operating modes of engine, provide control output accurately to engine, make engine be in optimum Working all the time, reach best with the performance (dynamic property, economy, emission performance) of guaranteeing engine.
Obviously, the engine of determining for structure carries out the simulation test of different operating mode control strategies, belongs to one of key procedure of simulation trial-production.
Above-mentioned simulation test is carried out on power assembly Electronic Control development platform, produce bent axle, camshaft speed signal by the simulation of signal imitation device, and offer control unit of engine (ECU), make ECU can enter normal operating conditions, strategy Development, Work condition analogue, bus network exploitation based on ECU can normally be carried out.At present, the signal imitation device of this development platform mostly is the mimic channel formula, uses through actual, though analogue means has the advantages that signal can flexible configuration, occurs undesired signal easily, has the defective of job insecurity.
In view of this, demand urgently being optimized design, to guarantee the stability of simulating signal at existing signal imitation device.
The utility model content
At above-mentioned defective, the technical matters that the utility model solves is to provide a kind of signal imitation device that is used for power assembly Electronic Control development platform, exportable stable bent axle, camshaft speed signal are to improve the job stability of power assembly Electronic Control development platform.On this basis, the utility model also provides the power assembly Electronic Control development platform of this signal imitation device of a kind of application.
The signal imitation device that is used for power assembly Electronic Control development platform that the utility model provides comprises:
The power part of output rotary driving force;
Active rotating shaft, the one end is coaxial fixing with the output shaft of described power part;
Initiatively fluted disc and bent axle fluted disc are separately positioned on the described active rotating shaft;
Passive rotating shaft, itself and described active rotating shaft opposing parallel are provided with;
Passive fluted disc and camshaft fluted disc are separately positioned in the described passive rotating shaft, and described passive fluted disc is moving by described driving tooth dribbling; With
Crankshaft sensor and camshaft-signal sensor, respectively with described bent axle fluted disc and the corresponding setting of described camshaft fluted disc, and be respectively applied for output crank shaft tach signal and camshaft speed signal to the control unit of engine that is arranged on the described power assembly Electronic Control development platform.
Preferably, described power part is a buncher.
Preferably, described passive fluted disc is at least two, and the number of teeth of each passive fluted disc is all inequality, and can be respectively along described passive rotating shaft axial displacement to the position of matching with described active fluted disc.
Preferably, described active fluted disc and described passive fluted disc are specially the gear that is meshed.
Preferably, described active fluted disc is specially the sprocket wheel that is connected by chain with described passive fluted disc.
Preferably, also comprise guide rail and along the slide block of described guide rail slide displacement, the bearing seat of described passive rotating shaft one end is fixedlyed connected with described slide block, to regulate the radial distance between described active rotating shaft and the passive rotating shaft.
Preferably, adopt bolt fastener to fixedly connected between described slide block and the described guide rail, with fixing relative position between the two.
Preferably, described crankshaft sensor and camshaft-signal sensor are specially magnetoelectric sensor or hall sensor.
Preferably, described crankshaft sensor and camshaft-signal sensor all are arranged on the housing of described signal imitation device.
The power assembly Electronic Control development platform that the utility model provides comprises control module and foregoing output crank shaft tach signal and the camshaft speed signal signal imitation device to described control module.
Compared with prior art, the signal imitation device that the utility model provides is respectively arranged with bent axle fluted disc and camshaft fluted disc in active rotating shaft and passive rotating shaft, and by the passive fluted disc rotation in the moving passive rotating shaft of driving tooth dribbling on the active rotating shaft, because ratio of gear is between the two determined, therefore, the camshaft fluted disc is determined with respect to the rotating ratio of bent axle fluted disc; Like this, can export comparatively reliable and stable speed of crankshaft signal and camshaft speed signal with the crankshaft sensor and the camshaft-signal sensor of camshaft fluted disc and the corresponding respectively setting of bent axle fluted disc, thereby guarantee the job stability of power assembly Electronic Control development platform, make and normally carried out based on strategy Development, Work condition analogue, the bus network exploitation of ECU.
In the preferred version of the present utility model, power part is a buncher, adjusts output speed with the needs according to different operating modes, has improved the adaptability of this signal imitation device greatly.
In another preferred version of the present utility model, passive fluted disc is at least two, and the number of teeth of each passive fluted disc is all inequality, and can be respectively along described passive rotating shaft axial displacement to the position of matching with described active fluted disc; That is to say that the speed ratio between active rotating shaft and the passive rotating shaft is at least two kinds, such as two kinds of commonly used speed ratios: 4: 3 and 2: 1.So design, can further improve the scope of application of this signal imitation device.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of the described signal imitation device of embodiment;
Fig. 2 is the vertical view of the device of signal imitation described in Fig. 1;
Fig. 3 shows the active fluted disc and the second passive fluted disc matching relationship synoptic diagram described in the embodiment.
Among the figure:
Embodiment
Core of the present utility model provides a kind of signal imitation device, is used for power assembly Electronic Control development platform, and the exportable stable bent axle of this signal imitation device, camshaft speed signal are to improve the job stability of power assembly Electronic Control development platform.Specify present embodiment below in conjunction with Figure of description.
See also Fig. 1 and Fig. 2, wherein, Fig. 1 is the one-piece construction synoptic diagram of the described signal imitation device of present embodiment; Fig. 2 is the vertical view of this signal imitation device.
As shown in the figure, this signal imitation device adopts component of machine to constitute as the basis.Mainly comprise power part 1, active rotating shaft 2, active fluted disc 3, bent axle fluted disc 4, passive rotating shaft 5, passive fluted disc 6, camshaft fluted disc 7, crankshaft sensor 8 and camshaft-signal sensor 9, above-mentioned each member can be built in the housing 15.Need to prove, be the simplicity of illustration content,, only schematically illustrate among Fig. 2 at housing 15 with the clear member matching relationship that illustrates in the housing 15.
Wherein, power part 1 can be exported rotary driving force.This power part preferably adopts buncher, adjusts output speed with the needs according to different operating modes, has improved the adaptability of this signal imitation device greatly.
Wherein, an end of active rotating shaft 2 is coaxial fixing with the output shaft of power part 1, and the active fluted disc 3 and the bent axle fluted disc 4 that are separately positioned on this active rotating shaft 2 can rotate synchronously.Fluted disc on these bent axle fluted disc 4 simulated engine flywheels is set to (60-2) individual tooth.In fact, the number of teeth can adopt other forms according to the situation of engine.
Wherein, passive rotating shaft 5 and active rotating shaft 2 opposing parallel settings, the passive fluted disc 6 and the camshaft fluted disc 7 that are separately positioned in this passive rotating shaft 5 can rotate synchronously, and passive fluted disc 6 drives rotation by active fluted disc 3.Like this, when the output speed of power part 1, when initiatively the number of teeth of fluted disc 3 and passive fluted disc 6 is determined, bent axle fluted disc 4 is definite with the rotating speed of camshaft fluted disc 7.The camshaft fluted disc of these camshaft fluted disc 7 simulated engines is provided with (6+1) individual tooth, and same, the number of teeth also can adopt other forms according to the situation of engine.
Wherein, crankshaft sensor 8 and camshaft-signal sensor 9, respectively with bent axle fluted disc 3 and the 7 corresponding settings of camshaft fluted disc, thereby obtain the tach signal of simulation bent axle and the tach signal of simulation camshaft in real time, and respectively output crank shaft tach signal and camshaft speed signal to the control unit of engine 10 that is arranged on the power assembly Electronic Control development platform.
Compare with the signal imitation device of existing mimic channel formula, because this programme adopts component of machine to constitute as the basis, the passive fluted disc 6 that active fluted disc 3 drives in the passive rotating shaft 5 on the active rotating shaft 2 rotates, ratio of gear is between the two determined, therefore, camshaft fluted disc 7 is determined with respect to the rotating ratio of bent axle fluted disc 4; Like this, can export comparatively reliable and stable speed of crankshaft signal and camshaft speed signal with the crankshaft sensor 8 and the camshaft-signal sensor 9 of bent axle fluted disc 4 and the corresponding respectively setting of camshaft fluted disc 7, thereby guarantee the job stability of power assembly Electronic Control development platform, make and normally to carry out based on strategy Development, Work condition analogue, the bus network exploitation of ECU.
As everyone knows,, should have higher adaptability for power assembly Electronic Control development platform, being applicable to user modes such as different structure designs, different Work condition analogues, thus the research and development manufacturing cost of control product.For this reason, can do further to adjust at aforementioned signal imitation device, to export corresponding speed of crankshaft signal and camshaft speed signal at different user modes.
As shown in Figure 2, aforementioned passive fluted disc 6 can be set to two: the first passive fluted disc 61 and the second passive fluted disc 62.For obtaining different ratio of gear, the number of teeth of the first passive fluted disc 61 and the second passive fluted disc 62 is inequality, and can be respectively along the axial displacement of passive rotating shaft 5 to the position of matching with active fluted disc 3, can distinguish corresponding two kinds of speed ratios commonly used: 4: 3 and 2: 1; That is, initiatively the number of teeth of fluted disc 3 is 12, and the number of teeth of the first passive fluted disc 61 is 16, and the number of teeth of the second passive fluted disc 62 is 24.That is to say, based on two passive fluted discs two working positions are arranged, one is that initiatively fluted disc 3 drives first passive fluted disc 61 rotations, ratio of gear is 4: 3, i.e. mated condition as shown in Figure 2, it two is that initiatively fluted disc 3 drives the second passive fluted disc 62 and rotates, and ratio of gear is 2: 1, i.e. mated condition as shown in Figure 3.Be to be understood that; for obtaining different ratio of gear between active rotating shaft 2 and the passive rotating shaft 5; can realize in different ways; such as; the quantity of passive fluted disc is not limited to two shown in the figure; also can obtain definite a plurality of ratio of gear, as long as satisfy the use needs all in the scope that the application asks for protection by the quantity of active fluted disc and the variation of the number of teeth.
In addition, active fluted disc 3 and passive fluted disc 6 (first passive fluted disc 61, the second passive fluted disc 62) are sprocket wheel shown in the figure, connect by chain 11 between the two and drive, can simulate the real work operating mode fully, can produce reliable and stable parameter signal by analogue means on the one hand, can revise phase place and speed ratio flexibly on the other hand, have adaptability preferably.
In fact, initiatively fluted disc 3 and passive fluted disc 6 (first passive fluted disc 61, the second passive fluted disc 62) also can adopt the gear (not shown) that is meshed, and all can as long as can obtain different ratio of gear between the two.In addition, for meshed transmission gear, also can be such design (not shown): active rotating shaft 2 and passive rotating shaft 5 mutual vertical settings, initiatively fluted disc 3 and passive fluted disc 6 adopt the bevel gear that is meshed.Certainly, from processing and manufacturing cost angle, adopting sprocket wheel to cooperate transmission with chain is optimal case.
Be further to improve the adaptability of this programme, guarantee the different numbers of teeth passive fluted disc 6 can and active fluted disc 3 between set up reliable power transmission relationship.Preferably, also comprise guide rail 12 and along the slide block 13 of guide rail 12 slide displacements, passive rotating shaft 5 one ends are installed in the bearing seat 51 by bearing 52, this bearing seat 51 is fixedlyed connected with slide block 13, to regulate the radial distance between active rotating shaft 2 and the passive rotating shaft 5.After relative position was between the two determined, employing bolt fastener 14 was fixedlyed connected between slide block 13 and the guide rail 12.
Need to prove that the concrete matching relationship of relative slip is same as the prior art between slide block 13 and the guide rail 12, those skilled in the art can realize fully based on prior art, so this paper repeats no more.
Particularly, crankshaft sensor 8 and camshaft-signal sensor 9 are specially magnetoelectric sensor or hall sensor, on all corresponding housing 15 that is arranged on the signal imitation device.In the course of work, when selecting magnetoelectric sensor, according to the magneto-electric induction principle, cause the variation of magnetic circuit magnetic resistance when utilizing corresponding fluted disc to rotate, produce periodically variable induced electromotive force, and export speed of crankshaft signal and the camshaft speed signal that collects to control unit of engine ECU, make ECU can enter normal operating conditions, simultaneously, can normally carry out based on strategy Development, Work condition analogue, the bus network exploitation of ECU.When selecting hall sensor,, produce speed of crankshaft signal and camshaft speed signal and export control unit of engine ECU to according to hall principle.
In the course of work, buncher drives bent axle fluted disc 4 and rotates, and drives 7 rotations of camshaft fluted disc by chain drive, and bent axle fluted disc 4 and camshaft fluted disc 7 produce speed of crankshaft signal and camshaft speed signal by cutting magnetic field.When needs are changed passive fluted disc 6 or are adjusted the relative phase of bent axle and camshaft, take off the bolt fastener 14 on the slide block 13, moving slider 13 gets loose chain 11, at this moment another fluted disc is connected to chain on another fluted disc after sliding, or under the situation that chain gets loose, it is motionless that the bent axle fluted disc keeps, and the camshaft fluted disc rotates to an angle around passive rotating shaft, changes the relative phase of bent axle and camshaft.
Based on aforesaid signal imitation unit, a kind of power assembly Electronic Control development platform that the utility model also provides comprises control module and foregoing output crank shaft tach signal and the camshaft speed signal signal imitation device to described control module.
What specify is that the concrete formation of this power assembly Electronic Control development platform (not shown) and principle of work thereof and prior art are identical, so this paper repeats no more.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. be used for the signal imitation device of power assembly Electronic Control development platform, it is characterized in that, comprising:
The power part of output rotary driving force;
Active rotating shaft, the one end is coaxial fixing with the output shaft of described power part;
Initiatively fluted disc and bent axle fluted disc are separately positioned on the described active rotating shaft;
Passive rotating shaft, itself and described active rotating shaft opposing parallel are provided with;
Passive fluted disc and camshaft fluted disc are separately positioned in the described passive rotating shaft, and described passive fluted disc is moving by described driving tooth dribbling; With
Crankshaft sensor and camshaft-signal sensor, respectively with described bent axle fluted disc and the corresponding setting of described camshaft fluted disc, and be respectively applied for output crank shaft tach signal and camshaft speed signal to the control unit of engine that is arranged on the described power assembly Electronic Control development platform.
2. the signal imitation device that is used for power assembly Electronic Control development platform according to claim 1 is characterized in that described power part is a buncher.
3. the signal imitation device that is used for power assembly Electronic Control development platform according to claim 1, it is characterized in that, described passive fluted disc is at least two, the number of teeth of each passive fluted disc is all inequality, and can be respectively along described passive rotating shaft axial displacement to the position of matching with described active fluted disc.
4. the signal imitation device that is used for power assembly Electronic Control development platform according to claim 3 is characterized in that, described active fluted disc and described passive fluted disc are specially the gear that is meshed.
5. the signal imitation device that is used for power assembly Electronic Control development platform according to claim 3 is characterized in that, described active fluted disc is specially the sprocket wheel that is connected by chain with described passive fluted disc.
6. according to claim 4 or the 5 described signal imitation devices that are used for power assembly Electronic Control development platform, it is characterized in that, also comprise guide rail and along the slide block of described guide rail slide displacement, the bearing seat of described passive rotating shaft one end is fixedlyed connected with described slide block, to regulate the radial distance between described active rotating shaft and the passive rotating shaft.
7. the signal imitation device that is used for power assembly Electronic Control development platform according to claim 6 is characterized in that, adopts bolt fastener to fixedly connected between described slide block and the described guide rail, with fixing relative position between the two.
8. the signal imitation device that is used for power assembly Electronic Control development platform according to claim 1 is characterized in that described crankshaft sensor and camshaft-signal sensor are specially magnetoelectric sensor or hall sensor.
9. the signal imitation device that is used for power assembly Electronic Control development platform according to claim 9 is characterized in that described crankshaft sensor and camshaft-signal sensor all are arranged on the housing of described signal imitation device.
10. power assembly Electronic Control development platform, comprise control module and output crank shaft tach signal and camshaft speed signal signal imitation device to described control module, it is characterized in that each described signal imitation device in described signal imitation device such as the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201679007U CN202083550U (en) | 2011-05-24 | 2011-05-24 | Power assembly electronic control development platform and signal simulator thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201679007U CN202083550U (en) | 2011-05-24 | 2011-05-24 | Power assembly electronic control development platform and signal simulator thereof |
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| CN202083550U true CN202083550U (en) | 2011-12-21 |
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| CN2011201679007U Expired - Lifetime CN202083550U (en) | 2011-05-24 | 2011-05-24 | Power assembly electronic control development platform and signal simulator thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102346476A (en) * | 2011-05-24 | 2012-02-08 | 潍柴动力股份有限公司 | Power assembly electronic control development platform and signal simulation device thereof |
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2011
- 2011-05-24 CN CN2011201679007U patent/CN202083550U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102346476A (en) * | 2011-05-24 | 2012-02-08 | 潍柴动力股份有限公司 | Power assembly electronic control development platform and signal simulation device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111221 Effective date of abandoning: 20130508 |
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| RGAV | Abandon patent right to avoid regrant |