CN204557923U - A kind of engine rotational speed signal simulation generator - Google Patents
A kind of engine rotational speed signal simulation generator Download PDFInfo
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- CN204557923U CN204557923U CN201520194941.3U CN201520194941U CN204557923U CN 204557923 U CN204557923 U CN 204557923U CN 201520194941 U CN201520194941 U CN 201520194941U CN 204557923 U CN204557923 U CN 204557923U
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- signal
- teeth
- dish
- crankshaft
- signal generation
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Abstract
The utility model discloses a kind of engine rotational speed signal simulation generator, comprise crankshaft signal dish, camshaft signal generation dish and drive motor, described crankshaft signal generation dish is fixed in the power output shaft of drive motor, the inner face of described camshaft signal generation dish is close to the lateral surface being fixed on and stating crankshaft signal generation dish, and the central shaft of crankshaft signal dish, camshaft signal generation dish and drive motor power output shaft is overlapping; On the periphery of described crankshaft signal generation dish, annular is distributed with 116 signal teeth, in 116 described signal teeth except the 1st adjacent signal teeth and the 116th signal teeth, the 58th signal teeth and the 59th signal teeth, the distance remained between two adjacent signal teeth is equal, distance between 1st signal teeth with the 116th signal teeth and the distance that be all greater than other adjacent two signal teeth between equal with the distance between the 58th signal teeth with the 59th signal teeth, meets simulation in-cylinder direct fuel-injection engine fuel cut-off control conditional request.
Description
Technical field
The utility model relates to a kind of engine rotational speed signal simulation generator, is mainly used in electric-control motor teaching system.
Background technology
Electric-control motor teaching system chooses prototype based on a electric-control motor, by sensor, electronic control part, ECU and meter displaying device link up, realize the simulation operation of electronic engine control, the course of work of demonstration engine electric-controlled system, particularly can observe engine injection process intuitively, high speed oil-break process, the working condition of spark plug, the course of work of the executive components such as throttle body, some for engine working sensor states can also be changed, the change of executive component is detected with Decoder and oscillograph, the control strategy of checking control unit of engine.
Do not have engine mechanical part to work in electric-control motor teaching system, the work noise just without engine disturbs, and is conducive to the judgement of electric control element working condition; There is no the consumption of fuel oil equally, there is no the pollution of tail gas, more economically environmental protection.But engine electric-controlled system work condition precedent is exactly that engine speed sensor must obtain correct signal, otherwise engine electric-controlled system storage failure code, engine electric-controlled system stops oil spout and igniting at once.
What existing demonstrator generally adopted is installation crankshaft signal dish, camshaft signal dish is not installed, ECU (Electrical Control Unit) adopts default value, report failure code, but system still can be lighted a fire in oil spout, but in in-cylinder direct fuel-injection engine controls, owing to controlling very accurate to oil injection time, just must gather camshaft-position signal, otherwise engine can only control igniting, and can not oil spout.
Separately, when meeting in-cylinder direct fuel-injection engine engine fuel cut-off control condition, engine speed is also needed to bring up to 6000 revs/min, if crankshaft signal generation dish brings up to 6000 revs/min by also corresponding for rotating speed, first be type selecting and the increasing of speed regulating control difficulty of motor, the signal panels secondly under high rotating speed can produce judder because transient equilibrium is bad.
Utility model content
Utility model object: the purpose of this utility model is for the deficiencies in the prior art, provides a kind of engine rotational speed signal simulation generator, by crankshaft-position signal generation dish and the global design of camshaft signal generation dish.
Technical scheme: a kind of engine rotational speed signal simulation generator described in the utility model, comprise crankshaft signal dish, camshaft signal generation dish and drive motor, described crankshaft signal generation dish is fixed in the power output shaft of drive motor, the inner face of described camshaft signal generation dish is close to the lateral surface being fixed on described crankshaft signal generation dish, and the central shaft of crankshaft signal dish, camshaft signal generation dish and drive motor power output shaft is overlapping;
On the periphery of described crankshaft signal generation dish, annular is distributed with 116 signal teeth, in 116 described signal teeth except the 1st adjacent signal teeth and the 116th signal teeth, the 58th signal teeth and the 59th signal teeth, the distance remained between two adjacent signal teeth is equal, and the distance that be all greater than other adjacent two signal teeth between equal with the distance between the 58th signal teeth with the 59th signal teeth of the distance between the 1st signal teeth with the 116th signal teeth.
Further, the inner face of described camshaft signal generation dish is fixedly welded on the lateral surface stating crankshaft signal generation dish.
Compared with prior art, its beneficial effect is the utility model:
(1) by traditional engine crankshaft signals dish 58 double wedges, 57 teeth lack, 1 canine tooth lacks version, change into crankshaft signal dish 116 double wedges in the present invention, 114 teeth lack, version that 2 canine tooths lack, now signal generation dish turns around, crankshaft position sensor obtains two ring signals, the crankshaft-position signal generation dish rotating speed 3000 revs/min of such design, just can realize engine rotational speed signal 6000 revs/min of functional requirements.
(2) by crankshaft-position signal generation dish and the global design of camshaft signal generation dish, the concerns mandate of speed of crankshaft and camshaft speed 2:1 is met.
Accompanying drawing explanation
Fig. 1 is the structural representation of engine rotational speed signal simulation generator described in embodiment 1.
Fig. 2 is the structural representation of described crankshaft signal generation dish.
Fig. 3 is the structural representation of described camshaft signal generation dish.
Fig. 4 is the vertical view of engine rotational speed signal simulation generator described in embodiment 1.
In figure: 1-direct current generator, 2-crankshaft signal dish, 3-camshaft signal dish.
Embodiment
Below in conjunction with accompanying drawing, technical solutions of the utility model are described in detail, but protection domain of the present utility model is not limited to described embodiment.
Embodiment 1: a kind of engine rotational speed signal simulation generator, comprise crankshaft signal generation dish 2, camshaft signal generation dish 3 and direct current generator 1, described crankshaft signal generation dish 2 is fixed in the power output shaft of direct current generator 1, the inner face of described camshaft signal generation dish 3 is fixedly welded on the lateral surface of described crankshaft signal generation dish 2, and the central shaft of crankshaft signal generation dish 2, camshaft signal generation dish 3 and direct current generator 1 power output shaft is overlapping;
On the periphery of described crankshaft signal generation dish 2, annular is distributed with 116 signal teeth, in 116 described signal teeth except the 1st adjacent signal teeth and the 116th signal teeth, the 58th signal teeth and the 59th signal teeth, the distance remained between two adjacent signal teeth is equal, and the distance that be all greater than other adjacent two signal teeth between equal with the distance between the 58th signal teeth with the 59th signal teeth of the distance between the 1st signal teeth with the 116th signal teeth.
As mentioned above, although represented with reference to specific preferred embodiment and described the utility model, it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model not departing from claims definition, various change can be made in the form and details to it.
Claims (2)
1. an engine rotational speed signal simulation generator, comprise crankshaft signal dish, camshaft signal generation dish and drive motor, it is characterized in that: described crankshaft signal generation dish is fixed in the power output shaft of drive motor, the inner face of described camshaft signal generation dish is close to the lateral surface being fixed on and stating crankshaft signal generation dish, and the central shaft of crankshaft signal dish, camshaft signal generation dish and drive motor power output shaft is overlapping;
On the periphery of described crankshaft signal generation dish, annular is distributed with 116 signal teeth, in 116 described signal teeth except the 1st adjacent signal teeth and the 116th signal teeth, the 58th signal teeth and the 59th signal teeth, the distance remained between two adjacent signal teeth is equal, and the distance that be all greater than other adjacent two signal teeth between equal with the distance between the 58th signal teeth with the 59th signal teeth of the distance between the 1st signal teeth with the 116th signal teeth.
2. a kind of engine rotational speed signal simulation generator according to claim 1, is characterized in that: the inner face of described camshaft signal generation dish is fixedly welded on the lateral surface stating crankshaft signal generation dish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520194941.3U CN204557923U (en) | 2015-04-01 | 2015-04-01 | A kind of engine rotational speed signal simulation generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520194941.3U CN204557923U (en) | 2015-04-01 | 2015-04-01 | A kind of engine rotational speed signal simulation generator |
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| Publication Number | Publication Date |
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| CN204557923U true CN204557923U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520194941.3U Expired - Fee Related CN204557923U (en) | 2015-04-01 | 2015-04-01 | A kind of engine rotational speed signal simulation generator |
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| CN (1) | CN204557923U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105573146A (en) * | 2016-02-26 | 2016-05-11 | 上海工程技术大学 | Shaft transmission-based engine rotation speed signal simulation system |
| CN110631833A (en) * | 2019-09-09 | 2019-12-31 | 哈尔滨工程大学 | Magnetoelectric rotating speed generator |
-
2015
- 2015-04-01 CN CN201520194941.3U patent/CN204557923U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105573146A (en) * | 2016-02-26 | 2016-05-11 | 上海工程技术大学 | Shaft transmission-based engine rotation speed signal simulation system |
| CN105573146B (en) * | 2016-02-26 | 2019-04-30 | 上海工程技术大学 | A kind of engine rotational speed signal simulation system based on axis transmission |
| CN110631833A (en) * | 2019-09-09 | 2019-12-31 | 哈尔滨工程大学 | Magnetoelectric rotating speed generator |
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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: 20150812 Termination date: 20170401 |