CN202031719U - Novel electronic control horizontal single cylinder diesel - Google Patents
Novel electronic control horizontal single cylinder diesel Download PDFInfo
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- CN202031719U CN202031719U CN201120102930XU CN201120102930U CN202031719U CN 202031719 U CN202031719 U CN 202031719U CN 201120102930X U CN201120102930X U CN 201120102930XU CN 201120102930 U CN201120102930 U CN 201120102930U CN 202031719 U CN202031719 U CN 202031719U
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- electronic control
- single cylinder
- gear chamber
- horizontal single
- cylinder diesel
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Abstract
Disclosed is a novel electronic control horizontal single cylinder diesel. An electronic control single cylinder pump (19) and a transitional sleeve (18) are assembled in an inner cavity of a gear chamber cover (10) in an assorted manner, a high-pressure oil tube (21) is connected with a P-type oil sprayer (3), and the gear chamber cover (10) is provided with an electronic control unit (7) and connected with various sensors and electronic control components via leads (L), so that an automatic feedback control system is formed. An elongated shaft head is arranged at a shaft end of a cam shaft (16) and is sleeved with a sliding bearing (17) in a bearing block hole (G) of the gear chamber cover (10). A circle of induction holes (V) is arranged on the periphery of a plane of a flywheel (26) and matches with a phase sensor (28). The phase sensor (28) and a temperature sensor (34) feed back operation information of the diesel to the electronic control unit (7), an accelerator opening controller (32) and the electronic control single cylinder pump (19) are automatically adjusted, and the rotation speed of the diesel is adjusted by means of changing oil supply quantity so that the diesel safely operates under reasonable work conditions. The novel electronic control horizontal single cylinder diesel is fine in performance and high in efficiency, reduces oil consumption and reduces pollution, and the service life of the novel electronic control horizontal single cylinder diesel is prolonged.
Description
Technical field
The utility model relates to diesel engine, relates in particular to single cylinder diesel.
Background technique
China's single cylinder diesel Annual output is 700～9,000,000, wherein horizontal single cylinder diesel accounts for more than 95%, the social recoverable amount of present national single cylinder engine is about 200,000,000, being mainly used in the power of agricultural transportation, irrigation, farming, small power generation equipment and spitkit, is one of major impetus of Tendency of Agricultural Machinery in Chinaization.Because inadequate natural endowment, single cylinder diesel exists problems such as specific fuel consumption height, discharging is poor, noise is big, and its discharging and oil consumption index do not reach national energy-saving and cost-reducing, requirements of green environmental protection.Along with the issuing and implementation of the high-level environmental regulation emission standard of country and the development of electromechanical integration technology, make the horizontal single cylinder diesel that has used over half a century develop into inexorable trend to the upgrading direction.
Summary of the invention
The purpose of this utility model, on the mechanical structure basis of existing horizontal single cylinder diesel, improved exactly, the novel diesel machine of a kind of efficient, energy-conservation, safety, environmental protection is provided, improve matching performance, every performance index all can satisfy the NBS requirement, reach the requirement of outlet international market, increase the service life, improve economic and social benefits.
Task of the present utility model is finished like this: design the horizontal single cylinder diesel of a kind of new electronic control, on the horizontal single cylinder diesel architecture basics of mechanical type, improve and form, high-pressure injection pump adopts automatically controlled simplex pump, in the supporting inner chamber that is installed in gear chamber cover of spacer shell, be connected with the P type oil sprayer of body front end by high-pressure oil pipe, install electronic control unit on the gear chamber cover of body side, connect sensor and electric-controlled parts and constitute feedback electronic control system automatically, the camshaft axle head is provided with the lengthening spindle nose, bearing set is erected in body and the gear chamber cover inner chamber, the other body of flywheel side is provided with sensor stand, the installing phase detector.Evenly have a circle sensing hole on the flywheel planar circumferential, cooperate with phase detector, the induction head of phase detector and the sensing hole of flywheel are at a distance of 0.5～1.5mm.Spacer shell is the step axle sleeve type structure that is provided with mounting disc, spacer shell center hole and automatically controlled simplex pump be supporting to be installed in the inner chamber of gear chamber cover, big end is in the gear chamber cover outside, have in the mounting disc and unthreaded hole is installed and is connected screw, respectively by screw connection gear chamber cap and automatically controlled simplex pump, have dress locating stud in the positioning pin hole on the spacer shell tube wall, match with the tappet body of automatically controlled simplex pump in the spacer shell center hole.Bearing adopts sliding bearing, outer end installing bearing cap, and bearing cap is the disk that has central boss, has the center shrinkage pool in the middle of the central boss, has oil-return groove on the central boss.The Lower Half of gear chamber cover has bearing saddle bore, and is equipped with sliding bearing, has the lubricating oil return hole on the bearing saddle bore bottom surface.The axis body of camshaft is provided with cam of injection pump, intake cam and exhaust cam, and the end lengthening spindle nose and the sliding bearing that connect cam of injection pump are equipped, have the spirality oil-feed tank on the cylndrical surface of lengthening spindle nose.Electronic control unit is installed in the electronic control unit vent hole place of the gear chamber cover first half, connect each sensor and electric-controlled parts by lead, be communicated with Vehicular accumulator cell and make power supply, be communicated with ignition switch and make enable switch, and leave interface connection demarcation computer.Sensor comprises the phase detector that is installed on the sensor stand, is installed in the temperature transducer on oil pump oil duct or the cooling water channel, and electric-controlled parts comprises the solenoid valve of installing on accelerator open degree controller, the automatically controlled simplex pump.The utility model is compared with the structure of existing horizontal single cylinder diesel, remove original manual cranking parts, speed regulator parts, hand pump oil parts, mechanical type fuel injection system, set up the automatic feedback electronic control system that electronic control unit and related sensor and electric-controlled parts constitute.Improved core, be to have used the automatically controlled simplex pump of patented product (patent No. ZL201020265503.9), adopted supporting with it P type oil sprayer, electronic control unit (ECU) and automatic feedback system around automatically controlled simplex pump, and improved gear chamber cover, flywheel, camshaft and bearing part according to supporting needs redesign.After the improvement, owing to adopted the electronic fuel injection structure, when the temperature of machine oil or cooling water was higher than predefined temperature, to electronic control unit, electronic control unit sent and subtracts the oil instruction temperature transducer automatically with feedback information, the output oil mass of automatically controlled simplex pump is reduced, reduce rotating speed and output power, make oily temperature or water temperature recover normal setting value, the assurance diesel engine is reasonably being worked under the operating mode, the accident that prevents takes place, and prolongs diesel engine working life.Phase detector cooperates with the flywheel sensing hole, the monitoring diesel engine speed.Camshaft axle head extension shaft headgear dress sliding bearing is erected in gear chamber cover and the body inner chamber, and cam of injection pump, intake cam and exhaust cam act on fuel injection system, is of value to and improves oil-supply speed and pump end pressure.Adopt P type oil sprayer, make fuel oil have fabulous spray pattern, it is more abundant to burn, and improves discharge function.
Manufacture experimently, test according to above-mentioned design proposal, prove of the present utility model reasonable in design, compact structure, complete machine running steadily, vibrate little, noise is low, the fuel consume reduction, output power improves, and speed adjustable range is big, matching performance good, meets the policy requirements and the standard code of national energy-saving, emission-reducing, environment friendly, can satisfy export requirement, low cost of manufacture, economic and social benefits are good, performance safety, reliable, long service life has reached predetermined purpose preferably.
Description of drawings
Fig. 1 is a final assembly schematic representation of the present utility model;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is that the B of Fig. 2 is to partial view;
Fig. 4 is the structural representation of camshaft 16;
Fig. 5 is the structural representation of facing of gear chamber cover 10;
Fig. 6 is the F-F cross-sectional view of Fig. 5;
Fig. 7 is the cross section view of spacer shell 18;
Fig. 8 is the E-E cross section view of Fig. 7;
Fig. 9 is the structural representation of bearing cap 14;
Figure 10 is that the N of Fig. 9 is to the H-H cross section view;
Figure 11 is the structural representation of automatically controlled simplex pump 19;
Figure 12 is that electronic control unit 7 connects sensor and electric-controlled parts schematic representation.
Among the figure, 1-baffler, 2-air-strainer, 3-P type oil sprayer, the 4-cooling water tank, 5-vaporizer, 6-fuel filter, the 7-electronic control unit, 8-pouring orifice, 9-fuel tank, the 10-gear chamber cover, 11-body, 12-oil rule, the 13-support, 14-bearing cap, 15-sump, the 16-camshaft, 17-sliding bearing, 18-spacer shell, the automatically controlled simplex pump of 19-, 20-cylinder head, 21-high-pressure oil pipe, the 22-cylinder head cover, 23-outlet pipe, 24-suction tude, the 25-solenoid valve, 26-flywheel, 27-sensor stand, the 28-phase detector, 29-tightening nut, 30-locating stud, 31-stile cylinder, 32-accelerator open degree controller, 33-ignition switch, 34-temperature transducer, 35-are demarcated and are used computer, 36-storage battery; A-line of vision symbol, B-line of vision symbol, L-lead, V-sensing hole, the T-cam of injection pump, J-intake cam, S-exhaust cam, D-electronic control unit vent hole, the F-section symbols, U-lubricating oil return hole, G-bearing saddle bore, E-section symbols, Q-oil inlet and oil return hole, W-installs unthreaded hole, K-spacer shell center hole, Y-positioning pin hole, M-connects screw, N-line of vision symbol, H-section symbols, Z-central boss, R-center shrinkage pool, C-oil-return groove, X-counterbore.
Embodiment
Below in conjunction with accompanying drawing mode of execution of the present utility model is illustrated.
Consult Fig. 1, Fig. 2, Fig. 3, the oil sprayer of diesel engine adopts the automatically controlled simplex pump 19 of patented product, with spacer shell 18 supporting being installed in improved gear chamber cover 10 inner chambers, be fixed on the body 11, oil sprayer adopts P type oil sprayer 3, connect automatically controlled simplex pump 19 by high-pressure oil pipe 21, the first half installing electronic control unit 7 of the gear chamber cover 10 of body 11 sides, Lower Half has bearing saddle bore G, in establish sliding bearing 17, the one end lengthening spindle nose of suit camshaft 16, frame is contained in gear chamber cover 10 inner chambers, and the other end spindle nose frame is contained in body 11 inner chambers.On the body 11 of flywheel 26 sides sensor stand 27 is housed, phase detector 28 is housed, the circle sensing hole V of inductive head on the flywheel 26.Electronic control unit 7 connects each sensor and electric-controlled parts by lead L, constitute diesel engine and feed back electronic control system automatically, each sensor feeds back to electronic control unit 7 with relevant information, automatically accelerator open degree controller 32 and automatically controlled simplex pump 19 are adjusted, adjust the rotating speed of diesel engine by changing fuel delivery, make it safe operation under reasonable operating mode.The P type oil sprayer 3 supporting with automatically controlled simplex pump 19 is 5 hole oil sprayers, and injection diameter is φ 0.20mm, makes fuel injection evenly abundant, has good spray pattern, guarantees sufficient combustion.
Consult Fig. 4, camshaft 16, one end is provided with cam of injection pump T and connects the lengthening spindle nose, the middle part is provided with intake cam J, exhaust cam S, the lengthening spindle nose has the spirality oil-feed tank on the cylndrical surface, suit sliding bearing 17 is erected in the bearing saddle bore G of gear chamber cover 10 Lower Halves, and the other end is erected in the inner chamber of body 11.The lift of cam of injection pump T is 12～14mm, can improve the pump end pressure and the oil-supply speed of automatically controlled simplex pump 19 effectively.
Consult Fig. 5, Fig. 6, the first half of gear chamber cover 10 leaves electronic control unit vent hole D, front installing electronic control unit 7, Lower Half has bearing saddle bore G, thickening on every side forms bearing support, supporting with sliding bearing 17, bearing saddle bore G bottom has lubricating oil return hole U, and the lubrication oil circulation that is used for sliding bearing 17 is lubricated.
Consult Fig. 7, Fig. 8, spacer shell 18 is the middle big small end step axle sleeve that has supporting center hole K, the automatically controlled simplex pump of suit 19 front portions in the big end through hole, stile's cylinder 31 at the automatically controlled simplex pump of suit 19 rear portions in the small end through hole, have the radially lubricant oil oil inlet and oil return hole Q of symmetry on the small end casing wall of spacer shell 18, on a side small end casing wall, have the positioning pin hole Y that is parallel to lubricant oil oil inlet and oil return hole Q, interior dress locating stud 30, equipped with stile's cylinder 31 of automatically controlled simplex pump 19.Having on the big end end face planar circumferential of spacer shell 18 is separated by 90 ° three connects unthreaded hole W, the planar circumferential inboard has laterally zygomorphic four and connects screw M, connection unthreaded hole W is used for screw spacer shell 18 is fixed on gear chamber cover 10, and connection screw M is used for screw automatically controlled simplex pump 19 is connected and fixed with spacer shell 18.
Consult Fig. 9, Figure 10, bearing cap 14 is the disk of band central boss Z, be installed on the bearing saddle bore G of gear chamber cover 10 Lower Halves, sliding bearing 17 outer ends are sealed, have center shrinkage pool R in the middle of the central boss Z, have penetrating oil-return groove C on the sidewall of central boss Z, can be connected, be used for the circulation of sliding bearing 17 lubricant oil with the lubricating oil return hole U of bearing saddle bore G bottom surface.The interval evenly has three counterbore X for 120 ° on the disk plane, is used for mounting screw and fixes.
Consult Figure 11, the patented product (patent No. ZL201020265503.9) that automatically controlled simplex pump 19 is the inventor, pump housing suit spacer shell 18, the big end of pump stretch out at spacer shell 18 front ends, are connected the P type oil sprayer 3 of body 11 front ends by high-pressure oil pipe 21.Spacer shell 18 usefulness fastening screw trip bolts are fixed in gear chamber cover 10 inner chambers, and the solenoid valve 25 end wiring terminals that are installed on the automatically controlled simplex pump 19 connect electronic control unit 7 by lead L.
Consult Figure 12, electronic control unit 7 external sensors and electric-controlled parts are formed the automatic feedback electronic control system of diesel engine.Electronic control unit 7 connects Vehicular accumulator cell 36 by lead L and makes power supply, and connection ignition switch 33 is made control switch, respectively by the solenoid valve 25 on lead L connection accelerator open degree controller 32, phase detector 28, temperature transducer 34, the automatically controlled simplex pump 19, and leave interface, can connect and demarcate with computer 35.The connection lead L of electronic control unit 7 is connected on the wiring terminal or socket of each sensor and each electric-controlled parts circuit.
The utility model is when practical application, open ignition switch 33 and connect power supply, automatic feedback control system is started working, and is every performance index of diesel engine according to the expectant control strategy, will demarcate with computer 35 calibrated MAP figure input electronic control units 7.7 of electronic control units are controlled the operation of diesel engine automatically according to calibrated MAP figure, diesel engine is remained on carry out work under the desirable state.The signal that electronic control unit 7 is carried according to accelerator open degree controller 32 to the solenoid valve 25 transmission pulse width signals of automatically controlled simplex pump 19, is gathered the signal from phase detector 28 simultaneously, adjusts the accurate fuel feeding advancement amount that is controlled under the different rotating speeds automatically.Automatically controlled simplex pump 19 by high-pressure oil pipe 21 with fuel delivery to P type oil sprayer 3, to the in-cylinder injection fuel oil.When the oily temperature of diesel engine or water temperature are higher than when setting temperature, electronic control unit 7 is according to the feedback signal of temperature transducer 34, automatically adjust the pulse width signal of the solenoid valve 25 of automatically controlled simplex pump 19, reduce fuel delivery, diesel engine speed is reduced, output power downward modulation is worked thereby diesel engine is remained under the temperature operating mode of setting, prevents that the diesel engine overload from having an accident.When diesel engine keeps in repair, can connect by spare interface and demarcate with computer 35, every performance index are demarcated, make diesel engine keep normal operating condition.After tested, pump end pressure of the present utility model reaches more than the 100MPa, is three times of former mechanical pump; specific fuel consumption reduces more than 8%; smoke intensity is lower than 1.0FSU, and power can improve 1～2KW, to the utmost point low scope that the speed governing rate is adjustable; ride quality is good; the efficient height, cost is low, has improved Safety performance; meet environmental protection requirement, prolonged working life.
Claims (8)
1. horizontal single cylinder diesel of new electronic control, on the horizontal single cylinder diesel architecture basics of mechanical type, improve and form, it is characterized in that high-pressure injection pump adopts automatically controlled simplex pump (19), in the supporting inner chamber that is installed in gear chamber cover (10) of spacer shell (18), be connected by the P type oil sprayer (3) of high-pressure oil pipe (21) with body (11) front end, the gear chamber cover (10) of body (11) side is gone up installing electronic control unit (7), connect sensor and electric-controlled parts and constitute feedback electronic control system automatically, camshaft (16) axle head is provided with the lengthening spindle nose, bearing set is erected in body (11) and gear chamber cover (10) inner chamber, the other body of flywheel (26) side (11) is provided with sensor stand (27), installing phase detector (28).
2. according to the horizontal single cylinder diesel of the described new electronic control of claim 1, it is characterized in that evenly having on said flywheel (26) planar circumferential circle sensing hole (V), cooperate with phase detector (28), the sensing hole (V) of the inductive head of phase detector (28) and flywheel (26) is at a distance of 0.5～1.5mm.
3. according to the horizontal single cylinder diesel of the described new electronic control of claim 1, it is characterized in that said spacer shell (18) is for being provided with the step axle sleeve type structure of mounting disc, spacer shell center hole (K) and automatically controlled simplex pump (19) be supporting to be installed in the inner chamber of gear chamber cover (10), big end is in gear chamber cover (10) outside, have in the mounting disc and unthreaded hole (W) is installed and is connected screw (M), respectively by screw connection gear chamber cap (10) and automatically controlled simplex pump (19), have dress locating stud (30) in the positioning pin hole (Y) on spacer shell (18) tube wall, match with the tappet body (31) of automatically controlled simplex pump (19) in the spacer shell center hole (K).
4. according to the horizontal single cylinder diesel of the described new electronic control of claim 1, it is characterized in that said bearing adopts sliding bearing (17), outer end installing bearing cap (14), bearing cap (14) is for having the disk of central boss (Z), have center shrinkage pool (R) in the middle of the central boss (Z), have oil-return groove (C) on the central boss (Z).
5. according to the horizontal single cylinder diesel of the described new electronic control of claim 1, it is characterized in that the Lower Half of said gear chamber cover (10) has bearing saddle bore (G), equipped with sliding bearing (17), bearing saddle bore (G) has lubricating oil return hole (U) on the bottom surface.
6. according to the horizontal single cylinder diesel of the described new electronic control of claim 1, the axis body that it is characterized in that said camshaft (16) is provided with cam of injection pump (T), intake cam (J) and exhaust cam (S), the end lengthening spindle nose and the sliding bearing (17) that connect cam of injection pump (T) are equipped, have the spirality oil-feed tank on the cylndrical surface of lengthening spindle nose.
7. according to the horizontal single cylinder diesel of the described new electronic control of claim 1, it is characterized in that the electronic control unit vent hole (D) that said electronic control unit (7) is installed in gear chamber cover (10) first half locates, (L) connects each sensor and electric-controlled parts by lead, be communicated with Vehicular accumulator cell (36) and make power supply, be communicated with ignition switch (33) and make enable switch, and leave the interface connection and demarcate with computer (35).
8. according to the horizontal single cylinder diesel of the described new electronic control of claim 1, it is characterized in that said sensor comprises the phase detector (28) that is installed on the sensor stand (27), is installed in the temperature transducer (34) on oil pump oil duct or the cooling water channel, electric-controlled parts comprises that accelerator open degree controller (32), automatically controlled simplex pump (19) go up the solenoid valve (25) of installing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120102930XU CN202031719U (en) | 2011-03-30 | 2011-03-30 | Novel electronic control horizontal single cylinder diesel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120102930XU CN202031719U (en) | 2011-03-30 | 2011-03-30 | Novel electronic control horizontal single cylinder diesel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202031719U true CN202031719U (en) | 2011-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120102930XU Expired - Fee Related CN202031719U (en) | 2011-03-30 | 2011-03-30 | Novel electronic control horizontal single cylinder diesel |
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| Country | Link |
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| CN (1) | CN202031719U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748151A (en) * | 2012-07-23 | 2012-10-24 | 李良德 | High-efficiency energy-saving device for zero-emission motor vehicle |
| CN103321705A (en) * | 2013-07-04 | 2013-09-25 | 苏州工业园区职业技术学院 | Engine intake-exhaust system |
-
2011
- 2011-03-30 CN CN201120102930XU patent/CN202031719U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748151A (en) * | 2012-07-23 | 2012-10-24 | 李良德 | High-efficiency energy-saving device for zero-emission motor vehicle |
| CN102748151B (en) * | 2012-07-23 | 2014-10-29 | 李良德 | High-efficiency energy-saving device for zero-emission motor vehicle |
| CN103321705A (en) * | 2013-07-04 | 2013-09-25 | 苏州工业园区职业技术学院 | Engine intake-exhaust system |
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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: 20111109 Termination date: 20170330 |