CN104863733A - Fuel switching control circuit of non-stop type internal combustion engine - Google Patents
Fuel switching control circuit of non-stop type internal combustion engine Download PDFInfo
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- CN104863733A CN104863733A CN201510248791.4A CN201510248791A CN104863733A CN 104863733 A CN104863733 A CN 104863733A CN 201510248791 A CN201510248791 A CN 201510248791A CN 104863733 A CN104863733 A CN 104863733A
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Abstract
The invention provides a fuel switching control circuit of a non-stop type internal combustion engine. The fuel switching control circuit comprises a switching unit. The switching unit at least comprises a stationary contact N1, a stationary contact N2 and a movable contact DN1. The movable contact DN1 is connected to a power supply output point and selectively connected with the stationary contact N1 and the stationary contact N2 in a contact mode. By means of the structure, after the internal combustion engine is started, a fuel oil or gas channel can be controlled to be switched on and off through switching of a toggle switch; fuel can be freely switched under the situation that the internal combustion engine does not stop, and the fuel switching control circuit is convenient to use; the situation that the internal combustion engine is started and stopped in the fuel switching process is avoided, and the service life of the internal combustion engine is guaranteed.
Description
Technical field
The present invention relates to a kind of power equipment control field, particularly relate to a kind of fuel reburning control circuit of not shutting down formula internal-combustion engine.
Background technique
In internal-combustion engine, the most widely used is exactly internal-combustion engine, such as application and automobile, generator etc., and the fuel of internal-combustion engine is mainly fuel oil and combustion gas two kinds, because combustion gas cost is low, the advantages such as sufficient combustion, in use can save user cost and be beneficial to environmental protection, therefore combustion gas is also applied in power equipment more and more, when existing bi-fuel internal combustion engine in use carries out Fuel switching, need after engine shutdown, close the fuel oil in original use or fuel gas supply path, and then open the supply passage of combustion gas or fuel oil, restart internal-combustion engine, this mode uses extremely inconvenience, and start and stop internal-combustion engine combustion motor impacts in switching Fuel Process, affect the working life of internal-combustion engine.
Therefore, need to propose a kind of fuel reburning control circuit of not shutting down formula internal-combustion engine, in the non-stop-machine situation of internal-combustion engine, freely can complete the switching of fuel, easy to use, avoid start and stop internal-combustion engine in the process switching fuel, ensure the working life of internal-combustion engine.
Summary of the invention
In view of this; the object of this invention is to provide a kind of fuel reburning control circuit of not shutting down formula internal-combustion engine, in the non-stop-machine situation of internal-combustion engine, freely can complete the switching of fuel, easy to use; avoid start and stop internal-combustion engine in the process switching fuel, ensure the working life of internal-combustion engine.
Fuel reburning control circuit of not shutting down formula internal-combustion engine provided by the invention, comprise switching unit, described switching unit at least comprises stationary contact N1, stationary contact N2 and movable contact DN1, movable contact DN1 is connected to power supply output point and movable contact DN1 selectivity and stationary contact N1 contact with stationary contact N2 and connect, by this structure, when after internal combustion engine start, by the break-make of the fuel supply passage of the switching internal-combustion engine of movable contact N1, the switching of fuel freely can be completed in the non-stop-machine situation of internal-combustion engine, easy to use, and can not frequent start-stop internal-combustion engine in the process switching fuel, ensure the working life of internal-combustion engine.
Further; described switching unit also comprises stationary contact N3 and movable contact DN2; described stationary contact N3 is connected to the ignition point of internal-combustion engine; described movable contact DN2 be connected to internal-combustion engine flame-out tie point and movable contact DN1 to contact with stationary contact N1 connect time movable contact DN2 to contact with stationary contact N3 and connect; by this structure, movable contact DN2 and stationary contact N3 is made to be connected to form flame-out path, when receiving control command; then by the ignition point short circuit of internal-combustion engine, the shutdown that internal-combustion engine is reliable and stable can be made.
Further, described movable contact DN1 and movable contact DN2 forms linkage structure, is beneficial to control, easy-to-operat.
Further, also comprise the startup control switch of break-make of powering for controlling combustion engine start and stop and switching unit, be beneficial to control.
Further, described startup control switch comprises point of contact FS, point of contact IG, point of contact ST, point of contact BA and point of contact E, described point of contact FS is connected with movable contact DN1 as power supply output point, described point of contact IG is connected with movable contact DN2 as flame-out tie point, and point of contact ST is connected with internal combustion engine starter control gear, and point of contact BA is connected with power output end, point of contact E ground connection, by this structure, be beneficial to Fuel switching, and facilitate combustion motor to carry out flame-out control.
Further, described power supply is storage battery, and power supply is stable, and ensure that the present invention works continually and steadily, certainly, power supply also can adopt other power supplys, as by the direct current formed after AC rectification pressure regulation.
Beneficial effect of the present invention: fuel reburning control circuit of not shutting down formula internal-combustion engine provided by the invention; the switching of fuel freely can be completed in the non-stop-machine situation of internal-combustion engine; easy to use; and switch speed is fast in the process switching fuel; normally can not work and impact by combustion motor; avoid, because switch fuel start and stop internal-combustion engine, ensureing the working life of internal-combustion engine.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is schematic diagram of the present invention.
Embodiment
Fig. 1 is schematic diagram of the present invention, as shown in the figure, fuel reburning control circuit of not shutting down formula internal-combustion engine provided by the invention, comprise switching unit, described switching unit at least comprises stationary contact N1, stationary contact N2 and movable contact DN1, movable contact DN1 is connected to power supply output point and movable contact DN1 selectivity and stationary contact N1 contact with stationary contact N2 and connect, for the motor in internal-combustion engine, the fuel supply passage of duel fuel engine has electrically-controlled valve to control, such as solenoid valve, fuel flow path has fuel oil electrically-controlled valve to control, fuel gas path is controlled by combustion gas electrically-controlled valve, in actual use, stationary contact N1 is connected with the control gear of fuel oil electrically-controlled valve, stationary contact N2 is connected with the control gear of combustion gas electrically-controlled valve, as shown in Figure 1, by this structure, when after engine start, the control gear work of fuel oil electrically-controlled valve and combustion gas electrically-controlled valve is controlled respectively by the switching of movable contact N1, thus control the break-make of fuel oil electrically-controlled valve or combustion gas electrically-controlled valve, the switching of fuel freely can be completed in the non-stop-machine situation of motor, easy to use, avoid start and stop motor in the process switching fuel, ensure the working life of motor.
In the present embodiment, described switching unit also comprises stationary contact N3 and movable contact DN2, described stationary contact N3 is connected to the ignition point of internal-combustion engine, wherein, the ignition point of internal-combustion engine generally all adopts spark coil, described movable contact DN2 be connected to internal-combustion engine flame-out tie point and movable contact DN1 to contact with stationary contact N1 connect time movable contact DN2 to contact with stationary contact N3 and connect, still for above-mentioned duel fuel engine, when movable contact DN1 is connected to the control gear of fuel oil electrically-controlled valve, movable contact DN2 and stationary contact N3 is made to be connected to form flame-out path, and pass through said structure, fuel oil is shut down as during fuel, after contacting with stationary contact N3 connect by DN2, the point of contact IG starting control switch is connected with point of contact E and forms flame-out path, guarantee engine reliable is shut down, when combustion gas electrically-controlled valve is closed, although movable contact DN2 is connected with stationary contact N3 contact, but point of contact IG is not connected with point of contact E, thus ensure that the combustion gas entering into engine combustion indoor exhausts rear internal-combustion engine and naturally shuts down, prevent combustion gas from remaining and the potential safety hazard existed, ensure use safety, when receiving control command, then can by the spark coil short circuit of motor, engine stabilizer is shut down reliably, in fact, also be provided with stationary contact N4 in actual use, with stationary contact N3 with the use of, stationary contact N4 is blank state in actual use, spacing for carrying out interlock to movable contact DN2.
In the present embodiment, described movable contact DN1 and movable contact DN2 forms linkage structure, be beneficial to control, easy-to-operat, both can adopt manually, the mode automatically controlled can be adopted again to control, wherein, when movable contact DN1 and movable contact DN2 links, when movable contact DN1 is connected with the control gear of combustion gas electrically-controlled valve, movable contact DN2 is in vacant state, namely movable contact DN2 is connected with stationary contact N4, when switching fuel, while movable contact DN1 is transformed into and is connected with the control gear of fuel oil electrically-controlled valve, movable contact DN2 is connected to stationary contact N3.
In the present embodiment, also comprise the startup control switch of break-make of powering for controlling combustion engine start and stop and switching unit, described startup control switch comprises point of contact FS, point of contact IG, point of contact ST, point of contact BA and point of contact E, described point of contact FS is connected with movable contact DN1 as power supply output point, described point of contact IG is connected with movable contact DN2 as flame-out tie point, point of contact ST is connected with internal combustion engine starter control gear, and point of contact BA is connected with power output end, point of contact E ground connection;
Said structure is in use:
A, normally operation: when Fuel switching is combustion gas, movable contact DN1 is connected to stationary contact N2, movable contact DN2 is connected with stationary contact N4 (vacant), when switching to fuel oil, movable contact DN1 and DN2 links, movable contact DN1 is connected to stationary contact N1, and now movable contact DN2 is connected to stationary contact N3;
B, when needing to shut down: start the point of contact IG of control switch and be connected with point of contact E, thus form the short circuit path of ignition coil for internal combustion engine, stationary contact N3, movable contact DN2, point of contact IG and point of contact E, make spark coil short circuit, thus closedown internal-combustion engine; Start control switch to be controlled by controller, the such as ECU etc. of engine controller, automobile, certainly, starting control switch also can by Non-follow control, and to start control switch be existing structure, and not in this to go forth;
When c, internal combustion engine start: point of contact BA and point of contact ST and point of contact FS is connected to form igniting path, thus starting apparatus combustion engine, now, movable contact DN1 alternative electrical connection contact stationary contact N1 or stationary contact N2.
In the present embodiment, described power supply is storage battery, and power supply is stable, and ensure that the present invention works continually and steadily, certainly, power supply also can adopt other power supplys, as by the direct current formed after AC rectification pressure regulation.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. do not shut down the fuel reburning control circuit of formula internal-combustion engine for one kind; it is characterized in that: comprise switching unit; described switching unit at least comprises stationary contact N1, stationary contact N2 and movable contact DN1, and movable contact DN1 is connected to power supply output point and movable contact DN2 selectivity and stationary contact N1 contact with stationary contact N2 and connect.
2. do not shut down the fuel reburning control circuit of formula internal-combustion engine according to claim 1; it is characterized in that: described switching unit also comprises stationary contact N3 and movable contact DN2; described stationary contact N3 is connected to the ignition point of internal-combustion engine, described movable contact DN2 be connected to internal-combustion engine flame-out tie point and movable contact DN1 to contact with stationary contact N1 connect time movable contact DN2 to contact with stationary contact N3 and connect.
3. do not shut down the fuel reburning control circuit of formula internal-combustion engine according to claim 2, it is characterized in that: movable contact DN2 and movable contact DN1 forms linkage structure.
4. do not shut down the fuel reburning control circuit of formula internal-combustion engine according to claim 2, it is characterized in that: the startup control switch also comprising break-make of powering for controlling combustion engine start and stop and switching unit.
5. do not shut down the fuel reburning control circuit of formula internal-combustion engine according to claim 4; it is characterized in that: described startup control switch comprises point of contact FS, point of contact IG, point of contact ST, point of contact BA and point of contact E; described point of contact FS is connected with movable contact DN1 as power supply output point; described point of contact IG is connected with movable contact DN2 as flame-out tie point; point of contact ST is connected with the starter control gear of internal-combustion engine; point of contact BA is connected with power output end, point of contact E ground connection.
6. do not shut down the fuel reburning control circuit of formula internal-combustion engine according to claim 5, it is characterized in that: described power supply is storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510248791.4A CN104863733B (en) | 2015-05-15 | 2015-05-15 | The fuel conversion control circuit of formula internal combustion engine is not shut down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510248791.4A CN104863733B (en) | 2015-05-15 | 2015-05-15 | The fuel conversion control circuit of formula internal combustion engine is not shut down |
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| Publication Number | Publication Date |
|---|---|
| CN104863733A true CN104863733A (en) | 2015-08-26 |
| CN104863733B CN104863733B (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510248791.4A Active CN104863733B (en) | 2015-05-15 | 2015-05-15 | The fuel conversion control circuit of formula internal combustion engine is not shut down |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2588062Y (en) * | 2002-01-08 | 2003-11-26 | 上海中茂新能源应用有限公司 | Automatic switching switch for gasoline/gas two-purpose fuel car |
| CN2767681Y (en) * | 2002-07-26 | 2006-03-29 | 本田技研工业株式会社 | Fuel cut-off device for engine |
| JP2011247192A (en) * | 2010-05-27 | 2011-12-08 | Hitachi Automotive Systems Ltd | Device for drive and control of fuel injection valve in internal combustion engine |
| US20130038120A1 (en) * | 2009-12-01 | 2013-02-14 | Honda Motor Co., Ltd., | Power supply apparatus activating method |
| CN204610050U (en) * | 2015-05-15 | 2015-09-02 | 隆鑫通用动力股份有限公司 | Motor fuel control switching circuit |
-
2015
- 2015-05-15 CN CN201510248791.4A patent/CN104863733B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2588062Y (en) * | 2002-01-08 | 2003-11-26 | 上海中茂新能源应用有限公司 | Automatic switching switch for gasoline/gas two-purpose fuel car |
| CN2767681Y (en) * | 2002-07-26 | 2006-03-29 | 本田技研工业株式会社 | Fuel cut-off device for engine |
| US20130038120A1 (en) * | 2009-12-01 | 2013-02-14 | Honda Motor Co., Ltd., | Power supply apparatus activating method |
| JP2011247192A (en) * | 2010-05-27 | 2011-12-08 | Hitachi Automotive Systems Ltd | Device for drive and control of fuel injection valve in internal combustion engine |
| CN204610050U (en) * | 2015-05-15 | 2015-09-02 | 隆鑫通用动力股份有限公司 | Motor fuel control switching circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104863733B (en) | 2018-06-05 |
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