CN205315065U - Engine electric fuel delivery pump controlling means - Google Patents
Engine electric fuel delivery pump controlling means Download PDFInfo
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- CN205315065U CN205315065U CN201620012290.6U CN201620012290U CN205315065U CN 205315065 U CN205315065 U CN 205315065U CN 201620012290 U CN201620012290 U CN 201620012290U CN 205315065 U CN205315065 U CN 205315065U
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Abstract
The utility model discloses an engine electric fuel delivery pump controlling means. The ignition switch of engine is equipped with ON and keeps off and keeping off with ST, and the sensor of signal detection module in arranging the engine in, microprocessor or microcontroller include that signal input pin, ST fender pin, ON keep off pin, electric fuel delivery pump pin and pilot lamp pin, the signal input pin with signal detection module connects, ST keeps off the pin and is connected with the ST fender of ignition switch, ON keeps off the pin and is connected with the ON fender of ignition switch, the electric fuel delivery pump pin concatenates with the ON fender and the electric fuel delivery pump of ignition switch, the pilot lamp pin concatenates with the ON fender and the pilot lamp of ignition switch. The utility model discloses under the long -time situation that does not start or stall of engine, can control electric fuel delivery pump work and report to the police.
Description
Technical field
The utility model relates to technical field of engines, relates in particular to a kind of control device of the electrically operated fuel pump for engine pump oil.
Background technology
At present, the framework of domestic cropper arrange be generally fuel tank in bottom, and engine is up, in order better to give engine pump oil, often in centre, electrically operated fuel pump is set. Due to the particularity of electrically operated fuel pump work, need to before engine start, will give engine pump oil, key operated to ON gear and under the state of engine unstart, electrically operated fuel pump can continuous firing. In addition, because the engine of cropper cuts out by flameout pull-cord, so after flame-out, driver easily forgets key return, under this state, electrically operated fuel pump also keeps duty. Consequent infringement has:
(1) electrically operated fuel pump continues engine pump oil, and engine is because unstart oil consumption is zero, causes petroleum pipeline pressure to continue to increase and occurs the phenomenon of electrically operated fuel pump output leakage of oil.
(2) electrically operated fuel pump persistent fever under zero load, plunger wear increases.
(3) electrically operated fuel pump unloaded operation produces electromagnetic interference, affects instrument and normally works.
(4) electrically operated fuel pump continuous firing produces single uninteresting noise.
Utility model content
In order to overcome above-mentioned defect, technical problem to be solved in the utility model is: a kind of electric engine oil transfer pump control device is provided, this device the engine long time do not start or flame-out situation under, can control electrically operated fuel pump work and report to the police.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of electric engine oil transfer pump control device, and this control device comprises signal detection module, described signal detection module comprises and is placed in in-engine sensor. Microprocessor or microcontroller comprise that signal input pin, ST gear pin, ON keep off pin, electrically operated fuel pump pin and light pin, described signal input pin is connected with described signal detection module, described ST gear pin is connected with the ST gear of ignition switch, described ON gear pin is connected with the ON gear of ignition switch, described electrically operated fuel pump pin is connected in series with ON gear and the electrically operated fuel pump of ignition switch, and described light pin is connected in series with ON gear and the indicator lamp of ignition switch.
Improve as one, described microcontroller is single-chip microcomputer.
Improve as one, described sensor is velocity sensor.
Improve as one, described sensor is oil pressure sensor.
Improve as one, described sensor is voltage sensor.
Adopt the obtained technique effect of technique scheme to be:
This device is installed on cropper, engine long-time do not start or flame-out situation under, this device can be controlled electrically operated fuel pump and quits work and report to the police to remind driver to take measures, or temporary close key, or ato unit. This device can reduce the wearing and tearing that electrically operated fuel pump is worked and caused under Light Condition; Alleviate the pressure of electrically operated fuel pump output oil pipe, thereby avoid oil leakage phenomenon; Alleviate the electromagnetic interference that electrically operated fuel pump is worked to instrumentation generation under Light Condition; Can also reduce the noise that electrically operated fuel pump produces in the time of unstart engine.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is principle schematic of the present utility model;
In figure, the input of 1-power supply, 2-signal detection module, 3-main control module, 31-signal input pin, 32-ST keeps off pin, 33-ON keeps off pin, 34-electrically operated fuel pump pin, 35-light pin, 36-grounding pin, 4-electrically operated fuel pump, 5-indicator lamp, 6-ignition switch, 61-ST gear, 62-ON gear, 7-voltage changing module.
Detailed description of the invention
As shown in Figure 1, a kind of electric engine oil transfer pump control device, power supply input 1 is connected with the ignition switch 6 of engine, ignition switch 6 is provided with ON gear 62 and ST gear 61 (ST gear 61 is engine start gears), this device comprises signal detection module 2, signal detection module 2 comprises and is placed in in-engine sensor, main control module 3 is microprocessor or microcontroller, main control module 3 comprises signal input pin 31, ST keeps off pin 32, ON keeps off pin 33, electrically operated fuel pump pin 34, light pin 35 and grounding pin 36, signal input pin 31 is connected with signal detection module 2, ST gear pin 32 is connected with the ST gear 61 of ignition switch 6, ON gear pin 33 is connected with the ON gear 62 of ignition switch 6, electrically operated fuel pump pin 34 is connected in series with ON gear 62 and the electrically operated fuel pump 4 of ignition switch 6, light pin 35 is connected in series with ON gear 62 and the indicator lamp 5 of ignition switch 6, grounding pin 36 is for ground connection.
The utility model is according to the variation of inner parameter before and after engine start, obtains the signal of controlling electrically operated fuel pump 4 and alarm work. After engine start, some parameters of engine interior can have greatly changed:
Rotating speed aspect, can enter idle state;
Internal oil pressure aspect, can form certain pressure because of the consumption of oil (machine oil) amount after engine start in inside;
When engine unstart, generator excitation winding two ends do not have voltage difference, and after engine start, pressure reduction can produce significant change.
, sensor is set these parameters are gathered in rotating speed, internal pressure, the isoparametric change of Exciting Windings for Transverse Differential Protection both end voltage for engine start front and back. Change for each parameter, main control module 3 is set, main control module 3 is microprocessor or microcontroller (preferably single-chip microcomputer), and microprocessor or microcontroller architecture are simple and function is strong. Export control signal by main control module 3, control respectively electrically operated fuel pump 4 and alarm (indicator lamp 5) work.
The sensor of main control module 3 can be velocity sensor or oil pressure sensor or voltage sensor.
Operation principle of the present utility model is:
Shown in Fig. 1, key is inserted and rotated ON gear 62 but when unstart engine, power supply input 1 is supplied with main control module 3 through power supply voltage changing module 7. Main control module 3 and electrically operated fuel pump 4 simultaneously electric, start working, simultaneously main control module 3 detects the signal that engine place gathers, taking engine speed as example, detecting that rotating speed is zero and starts timing during not from the signal (being unstart car) of ST gear 61. Set the 3 clocking internal time of main control module (2min), reaching after timing time (2min), main control module 3 sends control signal, cut-out electrically operated fuel pump 4 is connected with ground, electrically operated fuel pump 4 is opened circuit, quit work, export another control signal simultaneously, alarm lamp ground connection is lighted.
Key get to ST gear 61 be driver while piloting engine main control module 3 send at once control signal, electrically operated fuel pump 4 is connected. Now engine speed is no longer zero, and main control module 3 has detected tach signal, keeps electrically operated fuel pump 4 on-states.
When unstart engine, engine speed should be 0, and the oil pressure of inner machine oil is 0, and generator excitation winding both end voltage is 0. After piloting engine, engine idle is 700-800r/min, and oil pressure is 0.2-0.6MPa, and generator excitation winding both end voltage is 14V. Each parameter difference before and after engine start is obvious, and signals collecting is convenient, has ensured enforcement of the present utility model.
Claims (5)
1. an electric engine oil transfer pump control device, the ignition switch of engine is provided with ON gear and ST gear, it is characterized in that, comprising:
Signal detection module, described signal detection module comprises and is placed in in-engine sensor;
Indicator lamp;
Microprocessor or microcontroller, described microprocessor or microcontroller comprise that signal input pin, ST gear pin, ON keep off pin, electrically operated fuel pump pin and light pin, described signal input pin is connected with described signal detection module, described ST gear pin is connected with described ST gear, described ON gear pin is connected with described ON gear, described electrically operated fuel pump pin is connected in series with described ON gear and electrically operated fuel pump, and described light pin is connected in series with described ON gear and described indicator lamp.
2. electric engine oil transfer pump control device as claimed in claim 1, is characterized in that, described microcontroller is single-chip microcomputer.
3. electric engine oil transfer pump control device as claimed in claim 1 or 2, is characterized in that, described sensor is velocity sensor.
4. electric engine oil transfer pump control device as claimed in claim 1 or 2, is characterized in that, described sensor is oil pressure sensor.
5. electric engine oil transfer pump control device as claimed in claim 1 or 2, is characterized in that, described sensor is voltage sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620012290.6U CN205315065U (en) | 2016-01-07 | 2016-01-07 | Engine electric fuel delivery pump controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620012290.6U CN205315065U (en) | 2016-01-07 | 2016-01-07 | Engine electric fuel delivery pump controlling means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205315065U true CN205315065U (en) | 2016-06-15 |
Family
ID=56201121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620012290.6U Active CN205315065U (en) | 2016-01-07 | 2016-01-07 | Engine electric fuel delivery pump controlling means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205315065U (en) |
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2016
- 2016-01-07 CN CN201620012290.6U patent/CN205315065U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Weichai leiwo Heavy Industry Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: LOVOL HEAVY INDUSTRY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Weichai Lovol Intelligent Agricultural Technology Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: Weichai leiwo Heavy Industry Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |