CN204610050U - Motor fuel control switching circuit - Google Patents
Motor fuel control switching circuit Download PDFInfo
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- CN204610050U CN204610050U CN201520315317.4U CN201520315317U CN204610050U CN 204610050 U CN204610050 U CN 204610050U CN 201520315317 U CN201520315317 U CN 201520315317U CN 204610050 U CN204610050 U CN 204610050U
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Abstract
The motor fuel control switching circuit that the utility model provides, 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, the break-make of fuel oil or fuel gas supply path can be controlled by the switching of diverter switch, the switching of fuel freely can be completed in the non-stop-machine situation of internal-combustion engine, easy to use, avoid start and stop internal-combustion engine in the process switching fuel, ensure the working life of internal-combustion engine.
Description
Technical field
The utility model relates to a kind of power equipment control field, particularly relates to a kind of motor fuel control switching circuit.
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 motor fuel control switching circuit, 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.
Model utility content
In view of this; the purpose of this utility model is to provide a kind of motor fuel control switching circuit, freely can complete the switching of fuel in the non-stop-machine situation of internal-combustion engine, easy to use; avoid start and stop internal-combustion engine in the process switching fuel, ensure the working life of internal-combustion engine.
The motor fuel control switching circuit that the utility model provides, 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 utility model works continually and steadily, certainly, power supply also can adopt other power supplys, as by the direct current formed after AC rectification pressure regulation.
The beneficial effects of the utility model: the motor fuel control switching circuit that the utility model provides; 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 utility model is further described:
Fig. 1 is schematic diagram of the present utility model.
Embodiment
Fig. 1 is schematic diagram of the present utility model, as shown in the figure, the motor fuel control switching circuit that the utility model provides, 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 utility model 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 the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (6)
1. a motor fuel control switching circuit, 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. motor fuel control switching circuit 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. motor fuel control switching circuit according to claim 2, is characterized in that: movable contact DN2 and movable contact DN1 forms linkage structure.
4. motor fuel control switching circuit according to claim 3, 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. motor fuel control switching circuit 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. motor fuel control switching circuit according to claim 5, is characterized in that: described power supply is storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520315317.4U CN204610050U (en) | 2015-05-15 | 2015-05-15 | Motor fuel control switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520315317.4U CN204610050U (en) | 2015-05-15 | 2015-05-15 | Motor fuel control switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204610050U true CN204610050U (en) | 2015-09-02 |
Family
ID=53962623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520315317.4U Expired - Fee Related CN204610050U (en) | 2015-05-15 | 2015-05-15 | Motor fuel control switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204610050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863733A (en) * | 2015-05-15 | 2015-08-26 | 隆鑫通用动力股份有限公司 | Fuel switching control circuit of non-stop type internal combustion engine |
-
2015
- 2015-05-15 CN CN201520315317.4U patent/CN204610050U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863733A (en) * | 2015-05-15 | 2015-08-26 | 隆鑫通用动力股份有限公司 | Fuel switching control circuit of non-stop type internal combustion engine |
| CN104863733B (en) * | 2015-05-15 | 2018-06-05 | 隆鑫通用动力股份有限公司 | The fuel conversion control circuit of formula internal combustion engine is not shut down |
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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 |
Granted publication date: 20150902 Termination date: 20190515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |