CN207715242U - Small-sized single cylinder Natural Gas ＆ Diesel Dual Fuel Engine engine control system - Google Patents
Small-sized single cylinder Natural Gas ＆ Diesel Dual Fuel Engine engine control system Download PDFInfo
- Publication number
- CN207715242U CN207715242U CN201721464637.1U CN201721464637U CN207715242U CN 207715242 U CN207715242 U CN 207715242U CN 201721464637 U CN201721464637 U CN 201721464637U CN 207715242 U CN207715242 U CN 207715242U
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- CN
- China
- Prior art keywords
- natural gas
- connecting rod
- control valve
- diesel
- shift fork
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model is related to a kind of small-sized single cylinder Natural Gas ＆ Diesel Dual Fuel Engine engine control systems, belong to the technical field of machine power.A kind of the problems such as system is increased year by year primarily directed to current diesel-fuel price and shortage of resources, and diesel emission standard is increasingly stringenter, it is proposed that Natural Gas ＆ Diesel Dual Fuel Engine engine management protocols simple, cost-effective using Mechanical course, repacking.The system increases a set of inlet duct including threeway natural gas/air mixer (4), natural gas control valve (6) between air cleaner (2) and gaseous mixture air inlet pipe (7), inlet duct is connected by controls connecting rod (8) with speed governing shift fork (21), increase the angle of release of shift fork, make former governor that can adjust oil inlet quantity or adjust air inflow, to maintain the stabilization of speed under different loads.While ensureing larger diesel oil substitution rate, the different working modes of two kinds of fuel of gaseous mixture diesel oil multifuel combustion and diesel oil are realized.
Description
Technical field
The utility model belongs to the technical field of agricultural machinery power, and in particular to mini gas/diesel dual-fuel hair
Motivation air inlet and speed regulation device are especially suitable for the abundant area of natural gas resource and use.
Background technology
Diesel-fuel price increases and shortage of resources year by year at present, and China's natural gas is resourceful, and the discharge of diesel engine is wanted
Ask also higher and higher, Natural Gas ＆ Diesel Dual Fuel Engine starts function to reduce oil consumption, improves efficiency.China is for the double of large scale multi-cylinder
Engine fuel, which grinds comparison, to be goed deep into, and using precise control systems such as automatically controlled EFI, but small-sized double fuel is started
Machine, such repacking cost is higher, is unable to large-scale promotion, it is therefore desirable to design it is a kind of using Mechanical course, repacking is simple, saves
The Natural Gas ＆ Diesel Dual Fuel Engine engine control system of cost.
Utility model content
The utility model increases year by year primarily directed to current diesel-fuel price and shortage of resources, China's natural gas resource are rich
The problems such as richness, the emission request of diesel engine is also higher and higher, it is proposed that a kind of to use Mechanical course, reequiping simple, saving
The Natural Gas ＆ Diesel Dual Fuel Engine engine control system of cost.
The technical solution that the utility model is taken is：A kind of mini gas/Diesel Dual-Fuel Engine control system, packet
Include threeway natural gas/air mixer (4), natural gas control valve (6), natural gas air inlet pipe (5), controls connecting rod 1 (15), control
Connecting rod 2 (19), restriction plate (9), sliding block (18) constitute, it is characterized in that three end of threeway mixer respectively with air cleaner (2), day
Right gas control valve (6), gaseous mixture air inlet pipe (7) are connected, and natural gas control valve (6) other end is connected with natural gas line (22),
Natural gas control valve (6) is swinging, and controls connecting rod 1 (15) one end is fixedly linked with natural gas control valve valve rotary shaft (14),
Other end shift fork (16) is connected with controls connecting rod 2 (19) by sliding block (18), sliding block (18) movement in restriction plate groove (17),
Controls connecting rod 2 (19) other end is fixed together with speed governing shift fork (21).
The mini gas/Diesel Dual-Fuel Engine control system, natural gas application valve body (6) one end with it is natural
Feed channel (22) is connected, and the other end is connected with natural gas/air mixer (4), and valve body (25) has INO Intake Open with flap (13)
Mouthful, open amount is identical but flap air inlet openings (26) angle is less than valve body, passes through the weight of the rotation control opening of flap (13)
It is right, to control the air inflow of natural gas.
The mini gas/Diesel Dual-Fuel Engine control system, threeway natural gas/air mixer (4) are
Venturi type, natural gas by control valve (6) with through cleaner (2) enter air mixer (4) air fully merge after,
Mixed gas is entered by gaseous mixture air inlet pipe (2) in cylinder (1).
The mini gas/Diesel Dual-Fuel Engine control system, controls connecting rod 1 (15) one end and natural gas control
Flap rotary shaft (14) welding processed controls natural gas control valve valve (13) and cuts rotation, the other end above plate (24) in valve body openings
Shift fork (16) is connected with controls connecting rod 2 (19) by double end sliding block (18) upper end, and straight line is done in restriction plate groove in the middle part of sliding block
Movement, sliding block lower end are connect with 2 shift fork of interlocking bar (20), and controls connecting rod 2 (19) other end is welded with speed governing shift fork (21) upper end.
The mini gas/Diesel Dual-Fuel Engine control system, L-shaped restriction plate (9) one end and gear chamber cover
(12) it is welded and fixed, rectangular recess (17) and controls connecting rod (8) stroke dimension match, and ensure the precise and stable of interlocking bar and sliding block
Movement.
Description of the drawings
Fig. 1 is the structural schematic diagram of small-sized single cylinder Natural Gas ＆ Diesel Dual Fuel Engine engine control system
Fig. 2 is the structural schematic diagram of controls connecting rod device
Fig. 3-1 is to cut open figure before natural gas control valve
Fig. 3-2 be natural gas control valve on cut open figure
In figure, 1. cylinders；2. air cleaner；3. air intake duct；4. threeway natural gas/air mixer；5. natural
6. natural gas control valve of gas air inlet pipe；7. gaseous mixture air inlet pipe；8. controls connecting rod；9. restriction plate；10. speed governing direction board；11. adjusting
Fast bolt；12. gear cap room；13. natural gas control valve valve；14. natural gas control valve valve rotary shaft；15. controls connecting rod 1；16.
1 shift fork of controls connecting rod；17. restriction plate groove；18. sliding block；19. controls connecting rod 2；20. 2 shift fork of controls connecting rod；21. speed governing is dialled
Fork；22. natural gas line；23. natural gas control valve valve opening cuts plate；24. natural gas application valve body opening cuts plate；25. natural
Gas control valve body；26. natural gas control valve valve air inlet openings；27. natural gas application valve body air inlet openings
Specific implementation mode
It is described in further detail below in conjunction with the most preferred embodiment shown in attached drawing：
Embodiment 1 is shown in that Fig. 1, mini gas/Diesel Dual-Fuel Engine control system are ensureing former diesel engine knot
In the case that structure is basically unchanged, it includes that threeway is natural to increase between air cleaner (2) and gaseous mixture air inlet pipe (7) a set of
Inlet duct including gas/air mixer (4), natural gas application valve body (6), inlet duct pass through controls connecting rod (8) and tune
Fast shift fork is connected, and increases the angle of release of shift fork, makes former governor that can adjust oil inlet quantity or adjust air inflow, to maintain
Stabilization of speed under different loads.Threeway gas mixer (4) be venturi type, respectively with air intake duct (3), natural gas into
Tracheae (5), gaseous mixture air inlet pipe (7) are connected.Natural gas enters natural gas/air by control valve (6) with through cleaner (2)
After the air of mixer (4) fully merges, mixed gas enters in cylinder (1).Dual fuel engine is with the starting of former diesel engine
Mode starts, and using diesel oil ignited natural gas, diesel engine is made to obtain the rotating speed of setting.In natural gas abundance, speed governing shift fork band
Dynamic controls connecting rod (8) rotation, to which control controls natural gas air inflow by the registration of control valve (6) air inlet.Natural gas
When supplying normal, Pilot diesel flow rate is held essentially constant, and governor automatically adjusts air inflow when operating mode changes；Natural gas supply is insufficient
When, oil pump increases diesel oil amount automatically；After natural gas is broken off completely, restore former diesel engine working condition.Bavin under normal operating conditions
Oily supply keeps stablizing, i.e. speed regulating bolt (11) position of (10) on speed governing direction board is held essentially constant.
Embodiment 2 is shown in that Fig. 2, controls connecting rod 1 (15) one end are welded with natural gas control valve valve rotary shaft (14), control valve
Valve rotates, and other end shift fork (16) is connected with controls connecting rod 2 (19) by double end sliding block (18) upper end, in restriction plate in the middle part of sliding block
It is moved in a straight line in groove (17), sliding block lower end is connect with 2 shift fork of controls connecting rod (20), controls connecting rod 2 (19) other end and tune
Fast shift fork (21) welding.L-shaped restriction plate (9) one end is welded and fixed with gear chamber cover (12), rectangular recess (17) and controls connecting rod
(8) shift fork stroke dimension matches, and ensures the precise and stable movement of controls connecting rod (8) and sliding block (18).
Embodiment 3 is shown in that Fig. 3, natural gas control valve (6) one end are connected with natural gas line (22), the other end and natural gas/
Air mixer (4) is connected, and has air inlet openings to cut plate (24) in valve body (25), and natural gas control valve valve (13) lower part is to have air inlet
Opening (26) cuts plate (23), and opening angle is less than valve body and cuts plate air inlet openings (27), by natural gas control valve valve around rotation
Shaft (14) rotation control air inflow.
The foregoing is merely the preferred embodiments of the utility model, are not intended to limit the utility model, all new in this practicality
Within the spirit and principle of type, any modification, equivalent replacement, improvement and so on should be included in the protection of the utility model
In range.
Claims (5)
1. a kind of small-sized single cylinder Natural Gas ＆ Diesel Dual Fuel Engine engine control system, including it is threeway gas mixer (4), natural
Gas control valve (6), natural gas air inlet pipe (5), controls connecting rod 1 (15), controls connecting rod 2 (19), restriction plate (9), sliding block (18) structure
At, it is characterized in that three end of threeway mixer respectively with air cleaner (2), natural gas control valve (6), gaseous mixture air inlet pipe (7)
It is connected, natural gas control valve (6) other end is connected with natural gas line (22), and natural gas control valve (6) is swinging, and control connects
Bar 1 (15) one end is fixedly linked with natural gas control valve valve rotary shaft (14), other end shift fork (16) and 2 shift fork of controls connecting rod
(20) it is connected by sliding block (18), sliding block movement, controls connecting rod 2 (19) other end and speed governing shift fork in restriction plate groove (17)
(21) it is fixed together.
2. small-sized single cylinder Natural Gas ＆ Diesel Dual Fuel Engine engine control system as described in claim 1, it is characterized in that natural gas
Control valve (6) one end is connected with natural gas line (22), and the other end is connected with natural gas/air mixer (4), valve body (25) with
Flap (13) has air inlet openings, and open amount is identical but flap air inlet openings (26) angle is less than valve body, passes through flap (13)
Rotation control opening registration, to control the air inflow of natural gas.
3. small-sized single cylinder Natural Gas ＆ Diesel Dual Fuel Engine engine control system as described in claim 1, it is characterized in that three is exceedingly high
Right gas/air mixer (4) is venturi type, and natural gas enters gas mixer by control valve (6) with through cleaner (2)
(4) after air fully merges, mixed gas is entered by gaseous mixture air inlet pipe (7) in cylinder (1).
4. small-sized single cylinder Natural Gas ＆ Diesel Dual Fuel Engine engine control system as described in claim 1, it is characterized in that control connects
Bar 1 (15) one end is welded with natural gas control valve valve rotary shaft (14), is controlled natural gas control valve valve (13) and is cut in valve body openings
Rotation, other end shift fork (16) are connected with controls connecting rod 2 (19) by double end sliding block (18) upper end above plate (24), in the middle part of sliding block
It is moved in a straight line in inherent restriction plate groove (17), sliding block lower end is connect with 2 shift fork of interlocking bar (20), and controls connecting rod 2 (19) is another
It is welded with speed governing shift fork (21) upper end one end.
5. small-sized single cylinder Natural Gas ＆ Diesel Dual Fuel Engine engine control system as described in claim 1, it is characterized in that L-shaped limits
Making sheet (9) one end is welded and fixed with gear chamber cover (12), and rectangular recess (17) matches with controls connecting rod (8) stroke dimension, is ensured
The precise and stable movement of interlocking bar and sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721464637.1U CN207715242U (en) | 2017-11-06 | 2017-11-06 | Small-sized single cylinder Natural Gas ＆ Diesel Dual Fuel Engine engine control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721464637.1U CN207715242U (en) | 2017-11-06 | 2017-11-06 | Small-sized single cylinder Natural Gas ＆ Diesel Dual Fuel Engine engine control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715242U true CN207715242U (en) | 2018-08-10 |
Family
ID=63061221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721464637.1U Expired - Fee Related CN207715242U (en) | 2017-11-06 | 2017-11-06 | Small-sized single cylinder Natural Gas ＆ Diesel Dual Fuel Engine engine control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715242U (en) |
-
2017
- 2017-11-06 CN CN201721464637.1U patent/CN207715242U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180810 Termination date: 20191106 |