CN203420756U - Engine air intake and exhaust system - Google Patents
Engine air intake and exhaust system Download PDFInfo
- Publication number
- CN203420756U CN203420756U CN201320393318.1U CN201320393318U CN203420756U CN 203420756 U CN203420756 U CN 203420756U CN 201320393318 U CN201320393318 U CN 201320393318U CN 203420756 U CN203420756 U CN 203420756U
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- Prior art keywords
- engine
- solenoid valve
- valve
- exhaust system
- electronic control
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- Expired - Fee Related
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Abstract
The utility model discloses an engine air intake and exhaust system. The engine air intake and exhaust system comprises solenoid valves and an electronic control system, wherein the solenoid valves are arranged in an engine. The electronic control system is used for controlling the solenoid valves to drive valves in the engine to take in or exhaust air and comprises an information processor, a rotation speed sensor, a phase sensor and a crank angle sensor, wherein computer programs of engine valve timing data are arranged in the information processor, and the information processor is simultaneously and electrically connected with the rotation speed sensor, the phase sensor, the crank angle sensor and the solenoid valves. In this way, mechanical structures such as a timing gear, a timing gear belt and a camshaft are not needed, the solenoid valves and the electronic control system are used for achieving opening and closing the valves of the engine so as to achieve the air intake and air exhaust functions of the valves of the engine, the weight of the engine air intake and exhaust system is reduced, and valve timing of a valve timing mechanism can be precisely controlled.
Description
Technical field
The utility model relates to car engine machine technology, particularly relates to air inlet and the vent systems of motor car engine.
Background technique
The air inlet of motor car engine and the technological scheme that vent systems generally adopts are at present: distribution device adopts overhead camshaft, Overhead valve in upright arrangement, hydraulic tappet formula valve mechanism, as shown in Figure 2, comprise oil baffle 11, camshaft 13, camshaft-bearing cap 12 and synchromesh gear etc.Distribution device is according to the work cycle of carrying out in each cylinder of motor and the requirement of ignition order, camshaft promotes hydraulic tappet and drives valve to move up and down, time opening and air inlet, the exhaust valve of closing each cylinder, make fresh inflammable mixture enter in time cylinder, waste gas is discharged from cylinder in time.Shortcoming is complex structure, the port timing difficulty of change distribution device, and component of machine is numerous, makes motor overall weight heavier.
Model utility content
The technical problem that the utility model mainly solves is to provide a kind of engine intake and exhaust system, this engine intake and exhaust system has been cancelled timing gear, the mechanical structures such as timing gear belt and camshaft, by solenoid valve and electronic control system, realize the unlatching of engine valve with closed, realize air inlet and the scavenging action of engine valve, alleviate the weight of engine intake and exhaust system, and can accurately control the port timing of distribution device.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of engine intake and exhaust system is provided, it comprises and is arranged at described in-engine solenoid valve and electronic control system, described electronic control system is controlled in-engine valve intake and exhaust described in described solenoid-driven, described electronic control system comprises message handler, speed probe, phase detector and CKP, described message handler while and described speed probe, phase detector, CKP and described solenoid valve are electrically connected respectively.
In preferred embodiment of the utility model, described solenoid valve is covered with a solenoid valve housing.
In preferred embodiment of the utility model, the quantity of described solenoid valve is corresponding with described in-engine valve quantity, the corresponding described solenoid valve of valve described in each.
In preferred embodiment of the utility model, described a plurality of solenoid valve centralized integration together, form solenoid valve assembly parts.
In preferred embodiment of the utility model, in described solenoid valve, be provided with a solenoid valve push rod, the position of described solenoid valve push rod and the position of described in-engine hydraulic tappet over against.
In preferred embodiment of the utility model, described message handler is computer.
The beneficial effect of engine intake and exhaust system of the present utility model is: this engine intake and exhaust system has been cancelled timing gear, the mechanical structures such as timing gear belt and camshaft, by solenoid valve and electronic control system, realize the unlatching of engine valve with closed, realize air inlet and the scavenging action of engine valve, alleviated the weight of engine intake and exhaust system, and can accurately control the port timing of distribution device, realize the accurate control of engine breathing.
Accompanying drawing explanation
Fig. 1 is the utility model engine intake and exhaust system embodiment's structural representation;
Fig. 2 is the structural representation of the engine intake and exhaust system of prior art;
Fig. 3 is the structured flowchart of the electronic control system in the utility model engine intake and exhaust system;
In figure, the mark of each parts is as follows: 1, solenoid valve housing, 2, solenoid valve, 3, solenoid valve push rod, 4, hydraulic tappet, 5, cotter seat, 6, valve spring, 7, spring groove plane, 8, cylinder, 9, valve, 10, valve guide bushing, 11, oil baffle, 12, camshaft-bearing cap, 13, camshaft, 14, speed probe, 15, message handler, 16, phase detector, 17, CKP.
Embodiment
Below in conjunction with accompanying drawing and concrete preferred embodiment, the utility model is elaborated, so that advantage of the present utility model and feature can be easier to be understood by those skilled in the art, these embodiments are only illustrative objects, are not intended to scope of the present utility model to limit.
Refer to Fig. 1 and Fig. 3, engine intake and exhaust system of the present utility model comprises and is arranged at described in-engine solenoid valve 2 and electronic control system, described electronic control system is controlled described solenoid valve 2 and is driven described in-engine valve 9 intake and exhaust, described electronic control system comprises message handler 15, speed probe 14, phase detector 16 and CKP 17, described message handler 15 is built-in with the computer program that gas distribution phase of engine is controlled data, described 15 whiles and described speed probe 14 of message handler, phase detector 16, CKP 17 and described solenoid valve 2 are electrically connected respectively.
In addition, the quantity of described solenoid valve 2 is corresponding with described in-engine valve 9 quantity, and described in each, valve 9 comprises intake valve and all corresponding described solenoid valve 2 of exhaust valve.A plurality of solenoid valves 2 can centralized integration together, form solenoid valve assembly parts, be convenient to conserve space.
Described electronic control system (as shown in Figure 3) comprises message handler 15, speed probe 14, phase detector 16 and CKP 17, described message handler 15 is built-in with the computer program of gas distribution phase of engine data, and described message handler 15 is electrically connected respectively with described speed probe 14, phase detector 16, CKP 17 and described solenoid valve 2 simultaneously.
Preferably, described solenoid valve 2 is covered with a solenoid valve housing 1, prevents that dust, steam etc. from entering solenoid valve 2.
In addition, described in-engine hydraulic tappet 4 is provided with valve spring 6 and cotter seat 5, described cotter seat 5 is fastened on the periphery wall of described valve 9, one end of described valve spring 6 is vertically fixed on described cotter seat 5, the other end of described valve spring 6 props up the spring groove plane 7 in its place cylinder 8, and described valve 9 is through described valve spring 6.
Further, during engine intake and exhaust system of the present utility model work, the speed conditions that speed probe 14 can perception motors, the start-up time of phase detector 16 and CKP 17 perception inlet and outlet doors 9 and opening perdurabgility.These sensors send perception data to message handler 15, message handler 15 preferably uses computer, computer program in message handler 15 is to these data analysis and processing, send the signals such as the switching endurance of the inlet and outlet door 9 of needs, opening angle to solenoid valve 2, solenoid valve 2 electric promotion solenoid valve push rod 3 moves downward and then promotes hydraulic tappet 4 and moves downward, hydraulic tappet 4 move downward drive cotter seat 5 and valve 9 downward, valve spring 6 is now compressed.When solenoid valve 2 dead electricity, solenoid valve 2 runs out of steam, and valve spring 6 loses pressure and by compressive state resilience, drives cotter seat 5, hydraulic tappet 4, valve 9 and solenoid valve push rod 3 to rise.By the lifting of valve 9, realize the unlatching and closure of inlet and outlet door 9.By electrical signal and program control, can accurately control and adjust intake and exhaust time and the intake and exhaust amount of inlet and outlet door 9.
In addition, described computer program can not be changed later in being sintered to described computer.
In addition, valve guide bushing 10 makes valve 9 remain linear state when valve 9 carries out elevating movement, can partially not fall.Can also be simultaneously that the heat producing passes to cylinder by valve 9 bar portion kinetic friction, make the operating temperature of valve 9 can be too not high.
Be different from prior art, engine intake and exhaust system of the present utility model has been cancelled timing gear, the mechanical structures such as timing gear belt and camshaft, by solenoid valve and electronic control system, realize the unlatching of engine valve with closed, realize air inlet and the scavenging action of engine valve, alleviate the weight of engine intake and exhaust system, and can by computer program, accurately control the port timing of distribution device, realized the accurate control of engine breathing.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. an engine intake and exhaust system, it is characterized in that: comprise and be arranged at described in-engine a plurality of solenoid valves and electronic control system, described a plurality of solenoid valve centralized integration together, form solenoid valve assembly parts, described electronic control system is controlled in-engine valve intake and exhaust described in described solenoid-driven, described electronic control system comprises message handler, speed probe, phase detector and CKP, described message handler while and described speed probe, phase detector, CKP and described solenoid valve are electrically connected respectively.
2. engine intake and exhaust system according to claim 1, is characterized in that, described solenoid valve is covered with a solenoid valve housing.
3. engine intake and exhaust system according to claim 1, is characterized in that, the quantity of described solenoid valve is corresponding with described in-engine valve quantity, the corresponding described solenoid valve of valve described in each.
4. engine intake and exhaust system according to claim 1, is characterized in that, is provided with a solenoid valve push rod in described solenoid valve, the position of described solenoid valve push rod and the position of described in-engine hydraulic tappet over against.
5. engine intake and exhaust system according to claim 1, is characterized in that, described message handler is computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320393318.1U CN203420756U (en) | 2013-07-04 | 2013-07-04 | Engine air intake and exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320393318.1U CN203420756U (en) | 2013-07-04 | 2013-07-04 | Engine air intake and exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203420756U true CN203420756U (en) | 2014-02-05 |
Family
ID=50019855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320393318.1U Expired - Fee Related CN203420756U (en) | 2013-07-04 | 2013-07-04 | Engine air intake and exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203420756U (en) |
-
2013
- 2013-07-04 CN CN201320393318.1U patent/CN203420756U/en not_active Expired - Fee Related
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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: 20140205 Termination date: 20140704 |
|
| EXPY | Termination of patent right or utility model |