CN102072030B - Diesel engine system and electronic air distributor - Google Patents
Diesel engine system and electronic air distributor Download PDFInfo
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- CN102072030B CN102072030B CN201010616965.5A CN201010616965A CN102072030B CN 102072030 B CN102072030 B CN 102072030B CN 201010616965 A CN201010616965 A CN 201010616965A CN 102072030 B CN102072030 B CN 102072030B
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Abstract
The embodiment of the invention provides a diesel engine system and an electronic air distributor. The diesel engine system comprises a gas storage device, a cylinder starting valve and an electronic control unit, wherein the gas storage device is used for storing air; the cylinder starting valve is connected between the gas storage device and a cylinder and is used for switching on or switching off an air channel between the gas storage device and the cylinder; and the electronic control unit is coupled to the cylinder starting valve and is used for controlling the opening or closing of the cylinder starting valve on the basis of vehicle states, so that when the cylinder starting valve is opened, the air channel between the gas storage device and the cylinder is switched on. The opening and closing of the cylinder starting valve is completely independent of the working conditions of the diesel engine system, so that various functions such as a compressed air energy recycling function and an air exhaust braking function can be realized, air starting of the diesel engine system can be realized, and the compression ratio of all the cylinders of the diesel engine system can be regulated.
Description
Technical field
Embodiments of the present invention relate generally to engine art, and more specifically, relate to a kind of diesel engine system and electronic air distributing device.
Background technique
Existing diesel mixed power system is many to be comprised of " battery-motor-motor ".This electric power diesel engine mixed power system has that weight is large, cost is high, and the battery altering cycle is short to be waited not enoughly, and it is long that particularly energy reclaims the response time, can not brake energy be realized effectively and being reclaimed, cause hybrid vehicles (such as, vehicle, boats and ships etc.) not necessarily fuel-efficient.
In addition, also have the partial cylinders of multicylinder engine is used as to pneumatically operated cylinder specially, due to two same bent axles of system share, so the rotating speed of pneumatic linear actuator and diesel engine must be consistent.And the economic zone of diesel engine is high speed high-load region, and the economic zone of pneumatic linear actuator is positioned at low speed high load region, adds the reason of mechanical friction, and the pressurized air of this kind of form and the overall efficiency of engine combined power are low.
Therefore, related domain need to a kind ofly be transformed conventional diesel, to realize the recycling of diesel engine traffic tool energy, reaches the technology of energy-saving and emission-reduction effect.
Summary of the invention
Given this, an object of embodiments of the present invention is to provide a kind of diesel engine system and a kind of electronic air distributing device, at least to address the above problem,
According to an aspect, embodiments of the present invention provide a kind of diesel engine system, and this system can comprise: caisson, is configured for storage air; Cylinder starter gate valve, is connected between described caisson and cylinder, is configured for the gas circuit being switched on or switched off between described caisson and described cylinder; And electronic control unit, be coupled to described cylinder starter gate valve, be configured for based on traffic tool state and control the unlatching of described cylinder starter gate valve or close, make to connect the gas circuit of described air between described caisson and described cylinder when described cylinder starter gate valve is opened.
According to an embodiment of the invention, described traffic tool state can comprise traffic tool travelling state, piston mode and atmospheric pressure state; Wherein said traffic tool travelling state can be that the traffic tool travelling state detective device that is coupled to described electronic control unit in the traffic tool provides; Described system may further include: piston mode detective device, and be coupled to described electronic control unit and be arranged on the bent axle of described diesel engine system and have on the running shaft of fixed speed ratio, be configured for piston mode described in sensing; With atmospheric pressure state determining device, be coupled to described electronic control unit and described caisson, be configured for the atmospheric pressure state of determining described caisson and described cylinder.
According to an embodiment of the invention, if described traffic tool travelling state is that the described traffic tool are in braking state, described piston mode is that described piston is in compression stroke, and the described atmospheric pressure state pressure that is described cylinder is greater than the pressure of described caisson, described electronic control unit can be opened described cylinder starter gate valve, makes to connect the gas circuit of described air from described cylinder to described caisson.
According to an embodiment of the invention, if described traffic tool travelling state is that the described traffic tool are in lower-speed state, described piston mode is that described piston is in suction stroke, and the described atmospheric pressure state pressure that is described caisson is greater than the pressure of described cylinder, described electronic control unit can be opened described cylinder starter gate valve, makes to connect the gas circuit of described air from described caisson to described cylinder.
According to an embodiment of the invention, if described traffic tool travelling state is that the described traffic tool are in fast state, described piston mode is that described piston is in compression stroke, and the described atmospheric pressure state pressure that is described cylinder is greater than the pressure of described caisson, described electronic control unit can be opened described cylinder starter gate valve, makes to connect the gas circuit of described air from described cylinder to described caisson.
According to an embodiment of the invention, described piston mode detective device comprises electronic air distributing device, and this electronic air distributing device can comprise: housing, installation of sensors disk body, be fixed on described housing, wherein the circumferential equal angles interval along described installation of sensors disk body disposes the installation of sensors hole for sensor installation, described installation of sensors hole and the number of sensor are identical with the number of cylinders of described diesel engine system, and described sensor is along the sense of rotation of running shaft, be arranged in described installation of sensors hole according to the boot sequence of its sensing cylinder, rotation disk body, be assemblied on the running shaft that bent axle with described diesel engine system has fixed speed ratio and synchronous rotary with it, the position that described rotation disk body can overlap with described sensing station diametrically disposes sensor block or gauge hole, and the initial initial position of described sensor block or gauge hole is for to overlap with the sensor that the cylinder of the first boot sequence is carried out to sensing, when described sensor overlaps with described sensor block or gauge hole, the electrical signal that described sensor sends from when described sensor, compare and there is different level with the electrical signal sending during partially overlapping except described sensor block or gauge hole in described rotation disk body, with by utilizing the cylinder numbers of this its piston of different level indicatings in top dead center to indicate described piston mode to described electronic control unit.
According to an embodiment of the invention, if described traffic tool travelling state is that the described traffic tool are in starting state, described piston mode is that described piston is in top dead center, and the described atmospheric pressure state pressure that is described caisson is greater than the pressure of described cylinder, described electronic control unit can be opened described cylinder starter gate valve before the IO Intake Valve Opens of described cylinder, made to connect the gas circuit of described air from described caisson to described cylinder.
According to an embodiment of the invention, the gas circuit between described caisson and cylinder starter gate valve can comprise controls gas circuit and primary air gas circuit; Described control gas circuit can comprise controls gas circuit valve, and wherein said electronic control unit is controlled the unlatching of described cylinder starter gate valve or closed is by controlling the unlatching of described control gas circuit valve or closing that described control gas circuit and described cylinder starter gate valve are switched on or switched off to realization; And mobile between described caisson and described cylinder of air occurs by described primary air gas circuit.
According to an embodiment of the invention, described caisson can comprise air cylinder, and it is connected with primary air gas circuit with described cylinder starter gate valve or described control gas circuit.
According to an embodiment of the invention, described caisson can comprise gas rail and air cylinder; Wherein said gas rail is connected with primary air gas circuit with described cylinder starter gate valve or described control gas circuit, is configured for interim storage air; Described air cylinder is connected with described gas rail, is configured for longer-term storage air; Described system may further include the valve between described air cylinder and described gas rail, and described valve is opened or closed to wherein said electronic control unit based on certain strategy, to be switched on or switched off the gas circuit between described air cylinder and described gas rail.
According to an embodiment of the invention, this system may further include the air cylinder total valve between described air cylinder and described valve, is configured for the air of storing in air cylinder described in long term seal; Described electronic control unit is based on valve and described air cylinder total valve described in the next closure or openness simultaneously of described certain strategy, to be switched on or switched off the gas circuit between described air cylinder and described gas rail.
According on the other hand, embodiments of the present invention provide a kind of electronic air distributing device using in diesel engine system, and this electronic air distributing device can comprise: housing; Installation of sensors disk body, be fixed on described housing, wherein the circumferential equal angles interval along described installation of sensors disk body disposes the installation of sensors hole for sensor installation, described installation of sensors hole and the number of sensor are identical with the number of cylinders of described diesel engine system, and described sensor is along the sense of rotation of running shaft, be arranged in described installation of sensors hole according to the boot sequence of its sensing cylinder; rotation disk body, be assemblied on the running shaft that bent axle with described diesel engine system has fixed speed ratio and synchronous rotary with it, the position that described rotation disk body can overlap with described sensing station diametrically disposes sensor block or gauge hole, and the initial initial position of described sensor block or gauge hole is for to overlap with the sensor that the cylinder of the first boot sequence is carried out to sensing, when described sensor overlaps with described sensor block or gauge hole, the electrical signal that described sensor sends from when described sensor, compare and there is different level with the electrical signal sending during partially overlapping except described sensor block or gauge hole in described rotation disk body, using by utilizing the cylinder numbers of this its piston of different level indicatings in top dead center to carry out the described piston mode as a traffic tool state part to described electronic control unit indication, for the electronic control unit of described diesel engine system in the unlatching of control cylinder starter gate valve or close while making to connect the gas circuit of air between caisson and cylinder when described cylinder starter gate valve is opened and use.
According to an embodiment of the invention, described sensor can comprise noncontacting proximity sensor.
According to an embodiment of the invention, described noncontacting proximity sensor can comprise at least one in electro-optical pickoff, magnetoelectric sensor and inductive transducer; And wherein said sensor block or gauge hole corresponding with the type of described noncontacting proximity sensor.
According to an embodiment of the invention, described sensor block or gauge hole can cover sensor described in one or two simultaneously.
The present invention is because the keying of cylinder starter gate valve is totally independent of the working state of diesel engine system, can realize various functions, for example compressed air energy reclaims and exhaust brake function, realize the air starting of diesel engine system, and the compression ratio of adjusting each cylinder of diesel engine system.
Accompanying drawing explanation
Aspect whole, described embodiments of the present invention, with reference now to accompanying drawing, wherein accompanying drawing is not necessarily drawn in proportion, and wherein:
Fig. 1 shows according to the schematic block diagram of the diesel engine system of embodiment of the present invention;
Fig. 2 shows the detailed schematic configuration diagram according to the diesel engine system of embodiment of the present invention;
Fig. 3 A shows according to the schematic cross-section of single channel cylinder starter gate valve embodiment of the present invention, that use in diesel engine system;
Fig. 3 B shows according to the schematic cross-section of two-way cylinder starter gate valve embodiment of the present invention, that use in diesel engine system;
Fig. 4 shows the start-up time curve synoptic diagram according to cylinder starter gate valve embodiment of the present invention, that use in diesel engine system;
Fig. 5 A show according to embodiment of the present invention, for the assembling schematic diagram of the electronic air distributing device of diesel engine system;
Fig. 5 B show according to embodiment of the present invention, for the schematic diagram of the installation of sensors disk body of the electronic air distributing device of diesel engine system;
Fig. 5 C show according to embodiment of the present invention, for the schematic diagram of the rotation disk body of the electronic air distributing device of diesel engine system; And
Fig. 5 D for example shows, according to the schematic diagram of relation between the phase place of running shaft (, camshaft) embodiment of the present invention, that rotate for the electronic air distributing device of diesel engine system and cylinder boot sequence thereupon.
Run through accompanying drawing, omitted and well known to a person skilled in the art parts, with the present invention that avoids confusion.
Embodiment
Below by with reference to accompanying drawing, by way of example, describe embodiments of the present invention in detail, to pass on principle of the present invention.
First with reference to figure 1, wherein show according to the schematic block diagram of the diesel engine system of embodiment of the present invention.
As shown in Figure 1, diesel engine system 100 for example can comprise caisson 101, is configured for storage air (for example, pressurized air); Cylinder starter gate valve 102, is connected between caisson 101 and cylinder 104, is configured for the gas circuit being switched on or switched off between caisson 101 and cylinder 104; And electronic control unit 103, be coupled to cylinder starter gate valve 102, be configured for based on traffic tool state carry out the unlatching of control cylinder starter gate valve 102 or close, make to connect the gas circuit of air between caisson 101 and cylinder 104 when cylinder starter gate valve 102 is opened.
According to an embodiment of the invention, traffic tool state for example can comprise traffic tool travelling state, piston mode and atmospheric pressure state.Wherein, traffic tool travelling state can be by the traffic tool (such as, vehicle, boats and ships etc.) traffic tool travelling state detective device that is coupled to electronic control unit 103 in is (attached not shown, such as brake detective device, speed measurement device etc., these well known to a person skilled in the art) provide.
Further, diesel engine system 100 for example can comprise: piston mode detective device 106 (such as, well known to a person skilled in the art magnetic switch etc.), be coupled to electronic control unit 103, and be arranged on the bent axle (not shown in figure 1) of diesel engine system 100 have fixed speed ratio running shaft (such as, camshaft, oil spout pump shaft or pneumatics arbor etc.) on, be configured for sensing piston mode (such as piston stroke and position etc.), and atmospheric pressure state determining device 105, be coupled to electronic control unit 103 and caisson 101, be configured for the atmospheric pressure state of determining caisson 101 and cylinder 104.
Yet, it will be understood by those skilled in the art that diesel engine system 100 must not comprise piston mode detective device 106 and atmospheric pressure state determining device 105, and can be with it away from arranging and coupling with it.
And, it will be appreciated by those skilled in the art that, electronic control unit 103 is used for the traffic tool state of control cylinder starter gate valve and can comprises any parameter relevant with the traffic tool, and must not be above-mentioned traffic tool travelling state, piston mode and atmospheric pressure state, provide the only unrestricted the present invention for example of these states.
And, it will be appreciated by those skilled in the art that, when traffic tool state comprises other parameters except traffic tool travelling state, piston mode and atmospheric pressure state, this diesel engine system 100 must not comprise piston mode detective device 106 and atmospheric pressure state determining device 105 or coupling with it, but can comprise for the detective device of other parameters or coupling with it.
Next with reference to figure 2, wherein show according to the detailed schematic configuration diagram of the diesel engine system 200 of embodiment of the present invention.
Wherein, each reference character in Fig. 2 represents respectively:
200 diesel engine system
201 air cylinders
202 air cylinder total valves
203 valves
204 electronic control units
205 piston mode detective device
206 gas rails
207 control gas circuit valve
208 camshafts
209 control gas circuit
210 primary air gas circuits
211 cylinder starter gate valves
212 cylinders
213 atmospheric pressure state determining devices
As shown in Figure 2, according to an embodiment of the invention, diesel engine system 200 comprises air cylinder 201 (corresponding to the caisson 101 in Fig. 1), cylinder starter gate valve 211 is (corresponding to the cylinder starter gate valve 102 in Fig. 1, it can be to well known to a person skilled in the art single channel cylinder starter gate valve or two-way cylinder starter gate valve, as shown in Fig. 3 A and 3B), electronic control unit 204 (corresponding to the electronic control unit 103 in Fig. 1), control gas circuit 209 and primary air gas circuit 210, in order to the gas circuit as between air cylinder 201 and cylinder starter gate valve 211, wherein this control gas circuit 209 comprises that controlling gas circuit valve 207 (comprises any valve that can control gas path on-off known to those skilled in the art, such as solenoid valve etc.), the wherein unlatching of electronic control unit 204 control cylinder starter gate valves 211 or to close be to be controlled the unlatching of gas circuit valve 207 or closed to be switched on or switched off realization by controlling gas circuit 209 with cylinder starter gate valve 211 by control.By primary air gas circuit 210, there is (in connection with Fig. 3 A and Fig. 3 B, further describing) in mobile between air cylinder 201 and cylinder 212 of air.
Further, diesel engine system 200 for example can comprise piston mode detective device 205 (corresponding to the piston mode detective device 106 in Fig. 1) and atmospheric pressure state determining device 213 (corresponding to the atmospheric pressure state determining device 105 in Fig. 1).
According to another embodiment of the present invention, diesel engine system 200 comprises the gentle rail 206 of air cylinder 201 (corresponding to the caisson 101 in Fig. 1), wherein gas rail 206 is connected with primary air gas circuit 210 with cylinder starter gate valve 211/ control gas circuit 209, is configured for interim storage air; Air cylinder 201 is connected with gas rail 206, is configured for longer-term storage air.Further, diesel engine system 200 comprise valve 203 between air cylinder 201 and gas rail 206 (comprise known to those skilled in the art can break-make air cylinder 201 and gas rail 206 between any valve of gas circuit), wherein electronic control unit 204 based on certain strategy (such as, the traffic tool are in braking state, and the air pressure of gas rail 206 is greater than the air pressure of air cylinder 201; Or the traffic tool are in starting state, and the air in air cylinder 201 enough moves downward for promoting the piston of cylinder, etc.) open or throttle down 203, to be switched on or switched off the gas circuit between air cylinder 201 and gas rail 206.
Further, diesel engine system 200 comprises air cylinder total valve 202 between air cylinder 201 and valve 203 (comprise those skilled in the art known to any valve that can open or close air cylinder 201), is configured for the air of storage in long term seal air cylinder 201.Wherein, electronic control unit 204 comes closure or openness valve 203 and air cylinder total valve 202 simultaneously based on above-mentioned strategy, to be switched on or switched off the gas circuit between air cylinder 201 and gas rail 206.
Wherein, the specific operation of piston mode detective device 205 and atmospheric pressure state determining device 213 are as follows.
The piston mode detective device 205 for example fixed phase relationship based between camshaft 208 and engine crankshaft (attached not shown) carrys out sensing piston mode (such as, piston position).Atmospheric pressure state determining device 213 for example sensing air cylinder 201 (in the situation that caisson comprises air cylinder 201)/gas rail 206 (caisson comprise the gentle rail of air cylinder 201 206 the two in the situation that) atmospheric pressure state (for example, air pressure size), and for example according to following gas conservation equation, (for example utilize the initial gas pressure of cylinder, be approximately the air pressure of air cylinder 201/ gas rail 206 (at the traffic tool in starting and during lower-speed state, below describe in detail) or atmospheric pressure (at the traffic tool during in brake and fast state, below describe in detail)) and piston position calculate the current atmospheric pressure state of cylinder 212:
p wherein
1and p
2the air pressure that represents respectively the first state (depend on traffic tool status, be approximately equal to respectively air pressure or the barometric pressure of caisson) and the second state (current state), V
1and V
2the gas volume that represents respectively the first state (piston is in lower dead center) and the second state, wherein this gas volume by piston position and cylinder bore (because of cylinder model different) calculate.Thus, at known p
1, V
1and V
2situation under, can calculate the current air pressure p of cylinder 212
2.And judge thus the atmospheric pressure state between caisson and cylinder, that is, and the magnitude relationship between the two.
Below with reference to Fig. 3 A, wherein show according to the schematic cross-section of single channel cylinder starter gate valve embodiment of the present invention, that use in diesel engine system.
As shown in Figure 3A, single channel cylinder starter gate valve 301 comprises controls gas inlet and outlet 3011, for being connected with control gas circuit 209; Starter gate valve valve body 3012; Starter gate valve piston 3013, for when control gas inlet and outlet 3011 is communicated with control gas circuit 209, in controlling gas circuit 209, under compressed-air actuated effect, towards the direction of cylinder, move, so that air door body 3015 is towards the direction motion of cylinder, thereby make air ports 3016 connect primary air gas circuits 210 and cylinders 212; Spring 3014, while being communicated with for disconnecting in control gas inlet and outlet 3011 and control gas circuit 209, the power of utilizing pressurized deformation to produce promotes air door body 3015 and starter gate valve piston 3013 moves towards the direction away from cylinder, thereby while contacting with valve seat or cylinder head 3017 in the bottom of air door body 3015, closed single channel cylinder starter gate valve 301 is to disconnect the gas circuit between primary air gas circuit 210 and cylinder 212; Air door body 3015; Air ports 3016, for connecting primary air gas circuit 210 and cylinder 212, to realize air flowing between the two; With valve seat or cylinder head 3017.
Then with reference to figure 3B, wherein show according to the schematic cross-section of two-way cylinder starter gate valve embodiment of the present invention, that use in diesel engine system.
As shown in Figure 3 B, two-way cylinder starter gate valve 302 comprises to be controlled gas inlet and outlet 1 3021 and controls gas inlet and outlet 2 3022, and the two is all for being connected with control gas circuit 209, starter gate valve valve body 3023, air door body 3024, for when control gas inlet and outlet 3021 is communicated with control gas circuit 209, in controlling gas circuit 209, under compressed-air actuated effect, towards the direction of cylinder, move, so that air ports 3025 is connected primary air gas circuit 210 and cylinder 212, and for controlling gas inlet and outlet 3021 and controlling gas circuit 209 and disconnect and being communicated with and while controlling gas inlet and outlet 3022 and 209 connection of control gas circuit, in controlling gas circuit 209, under compressed-air actuated effect, towards the direction away from cylinder, move, thereby while contacting with valve seat or cylinder head 3026 in the bottom of air door body 3024, closed two-way cylinder starter gate valve 302 is to disconnect the gas circuit between primary air gas circuit 210 and cylinder 212, air ports 3025, for connecting primary air gas circuit 210 and cylinder 212, to realize air flowing between the two, with valve seat or cylinder head 3026.
Wherein, according to the present invention, as shown in Fig. 3 A and 3B, the air door body of single channel cylinder starter gate valve 301 and two-way cylinder starter gate valve 302 bottom is trapezoid, and this point is different from inverted trapezoidal of the prior art.This improved advantage is to be less than cylinder inner air pressure in the situation that control the pressure of gas circuit 209, guarantees the closure of cylinder starter gate valve.
Next, with reference to Fig. 4, in conjunction with concrete situation, describe the unlatching of electronic control unit 204 control cylinder starter gate valves 211 or the specific operation of closing, wherein Fig. 4 shows the start-up time curve synoptic diagram according to cylinder starter gate valve embodiment of the present invention, that use in diesel engine system.
In one example, when traffic tool travelling state sensing device senses is that the traffic tool are in braking state to traffic tool travelling state, piston mode detective device 205 sense piston mode be piston in compression stroke (in this example, it is the abscissa 540-720 degree in Fig. 4, wherein the intake valve of cylinder and exhaust valve are all closed), and the pressure that the definite atmospheric pressure state of atmospheric pressure state determining device 213 is cylinder 212 is greater than caisson (201; 206), during pressure, electronic control unit 204 can send instruction to controlling gas circuit valve 207, so that it connects the control gas inlet and outlet (3011 of controlling gas circuit 209 and cylinder starter gate valve 211; 3021), thus the air door body (3015 of cylinder starter gate valve 211; 3024) in controlling gas circuit 209, under compressed-air actuated thrust, towards the direction of cylinder, move, thus by the air ports (3016 of cylinder starter gate valve 211; 3025) connect primary air gas circuit 210 and cylinder 212 (as shown in curve 2), realized air from cylinder 212 to caisson (201; 206) flow.
Alternatively, when air flows to gas rail 206 from cylinder 212, electronic control unit 204 can be based on control strategy (such as speed of a motor vehicle continuous decrease whether, the pressurized air that in the time of may reclaiming in a large number brake to determine whether thus, piston is produced when compression stroke) determine whether to open valve 203/ valve 203 and air cylinder total valve 202 between gas rail 206 and air cylinder 201, to avoid the reclaiming capacity that tolerance too much exceeds gas rail 206.
As can be seen here, embodiments of the present invention can convert the brake energy of the traffic tool to compressed-air actuated pressure energy storage, and collected pressurized air can be applied to startup and the traffic tool starting accelerating mode of diesel engine system.And, this diesel engine system has skidding function, can reduce the wearing and tearing of traffic tool friction plate and the maintenance period of brake system, and can produce pressurized air, can reduce the size that diesel engine system carries air compressor, reduce air compressor power loss.
In another example, when traffic tool travelling state sensing device senses is that the traffic tool for example, in lower-speed state (speed per hour is lower than 15km/h) to traffic tool travelling state, piston mode detective device 205 sense piston mode be piston in suction stroke (in this example, it is the abscissa 360-540 degree in Fig. 4, the IO Intake Valve Opens of cylinder wherein, exhaust valve closing), and atmospheric pressure state determining device 213 determine that atmospheric pressure state is caisson (201; 206), when pressure is greater than the pressure of cylinder 212, electronic control unit 204 can send instruction to controlling gas circuit valve 207, so that it connects the control gas inlet and outlet (3011 of controlling gas circuit 209 and cylinder starter gate valve 211; 3021), thus the air door body (3015 of cylinder starter gate valve 211; 3024) in controlling gas circuit 209, under compressed-air actuated thrust, towards the direction of cylinder, move, thus by the air ports (3016 of cylinder starter gate valve 211; 3025) connect primary air gas circuit 210 and cylinder 212 (as shown in curve 1), realized air from caisson (201; 206) flowing to cylinder 212.
Wherein, in the situation that diesel engine system 200 comprises the gentle rail of air cylinder 201 206, whether electronic control unit 204 can the air quantity based in gas rail 206 meet the air quantity requirement that will flow into cylinder 212, determines whether to open valve 203/ valve 203 and the air cylinder total valve 202 between air cylinder 201 and gas rail 206.
In another example, when traffic tool travelling state sensing device senses is that the traffic tool for example, in fast state (speed per hour is higher than 60km/h) to traffic tool travelling state, piston mode detective device 205 sense piston mode be piston in compression stroke (in this example, it is the abscissa 540-720 degree in Fig. 4, intake valve and the exhaust valve of cylinder are all closed), and the pressure that the definite atmospheric pressure state of atmospheric pressure state determining device 213 is cylinder 212 is greater than caisson (201; 206), during pressure, electronic control unit 204 can send instruction to controlling gas circuit valve 207, so that it connects the control gas inlet and outlet (3011 of controlling gas circuit 209 and cylinder starter gate valve 211; 3021), thus the air door body (3015 of cylinder starter gate valve 211; 3024) in controlling gas circuit 209, under compressed-air actuated thrust, towards the direction of cylinder, move, thus by the air ports (3016 of cylinder starter gate valve 211; 3025) connect primary air gas circuit 210 and cylinder 212 (as shown in curve 2), realized air from cylinder 212 to caisson (201; 206) flow.
Alternatively, when air flows to gas rail 206 from cylinder 212, electronic control unit 204 can be based on control strategy (such as whether the speed of a motor vehicle continues at a high speed, to determine whether thus, may reclaim in a large number the pressurized air that piston is produced when the compression stroke) determine whether to open valve 203/ valve 203 and air cylinder total valve 202 between gas rail 206 and air cylinder 201, to avoid the reclaiming capacity that tolerance too much exceeds gas rail 206.
As can be seen here, according to the diesel engine system of embodiment of the present invention, can adjust the compression ratio of diesel engine.By dynamic adjustment compression ratio, diesel engine system can be operated in economic scene as far as possible.This diesel engine system can be at any time to injecting compressed air in cylinder, thereby Economy and emission performance in the time of can improving diesel engine system low speed high load and can improve low speed torque.
Below, with reference to Fig. 5 A, 5B and 5C, wherein show respectively according to the schematic diagram of electronic air distributing device embodiment of the present invention, that use in diesel engine system, its installation of sensors disk body and rotation disk body.
As shown in the figure, electronic air distributing device 500 comprises housing 501; Installation of sensors disk body 505, be fixed on housing 501, wherein the circumferential equal angles interval along installation of sensors disk body 505 disposes the installation of sensors hole 5051 for sensor installation 503, the number of installation of sensors hole 5051 and sensor 503 and the number of cylinders of diesel engine system are (in this example, be 6) identical, and sensor 503 is along the sense of rotation of running shaft 506 (being to have the camshaft of fixed speed ratio with the bent axle of diesel engine system in this example), be arranged in installation of sensors hole 5051 according to the boot sequence of its sensing cylinder; rotation disk body 504, be assemblied on running shaft 506 (for example, via axis hole 5041) synchronous rotary with it, the position that rotation disk body 504 can overlap with sensor 503 positions diametrically disposes sensor block or gauge hole 5042, and the initial initial position of sensor block or gauge hole 5042 is for to overlap with the sensor 503 that the cylinder of the first boot sequence is carried out to sensing, when sensor 503 overlaps with sensor block or gauge hole 5042, the electrical signal that sensor 503 sends to electronic control unit 204 via sensor line 502 from when sensor 503, compare and there is different level with the electrical signal sending during partially overlapping except sensor block or gauge hole 5042 in rotation disk body 504, using by utilizing the cylinder numbers of this its piston of different level indicatings in top dead center to carry out the piston mode as a traffic tool state part to electronic control unit 204 indications, for this electronic control unit 204 in the unlatching of control cylinder starter gate valve 211 or close and make to connect air at caisson (201 when cylinder starter gate valve 211 is opened, 206) during gas circuit and between cylinder 212, use.
Wherein, sensor 503 can comprise noncontacting proximity sensor, such as at least one in electro-optical pickoff, magnetoelectric sensor and inductive transducer.Sensor block or gauge hole 5042 are corresponding with the type of noncontacting proximity sensor 503.For example, as adopted photoelectric or inductive transducer, in Fig. 5 C, the sensor of 5042 representatives corresponds to a slotted hole.As adopt magnetoelectric sensor, the magnet that in Fig. 5 C, the sensors of 5042 representatives are respective shapes.Certainly, those skilled in the art can expect the more type of multisensor, and these variants can not depart from spirit of the present invention, thereby all will fall into scope of the present invention.
In addition, sensor block or gauge hole 5042 can cover one or two sensor 503 simultaneously.
Below with reference to Fig. 5 D, the six cylinder diesel engine system of take, describe according to the working principle of electronic air distributing device embodiment of the present invention, that use in diesel engine system as example (being only illustrative rather than definitive thereof), wherein Fig. 5 D shows the schematic diagram of relation between the phase place of the camshaft that this electronic air distributing device rotates thereupon and cylinder boot sequence.
The port timing that six cylinder diesel engine gas start has been shown in Fig. 5 D, wherein abscissa represents camshaft degree (Yi Duwei unit), needs the cylinder phase place of pressurized air air inlet with the rectangle of grid line in the abscissa region representation start-up course covering.Rectangle numbering with grid line represents corresponding cylinder numbers.Visible, the distribution that six cylinder diesel engine gas start is sequentially the first cylinder, the 5th cylinder, the 3rd cylinder, the 6th cylinder, the second cylinder and the 4th cylinder.According to the present invention, by sensor 503 along the sense of rotation of running shaft 506 (being to have the camshaft of fixed speed ratio with the bent axle of diesel engine system in this example), be arranged in installation of sensors hole 5051 according to the boot sequence of its sensing cylinder (being the first cylinder, the 5th cylinder, the 3rd cylinder, the 6th cylinder, the second cylinder and the 4th cylinder in this example).The rotation sensor block of disk body 504 or the initial initial position of gauge hole 5042 are for to overlap with the sensor 503 that the cylinder of the first boot sequence (being the first cylinder in this example) is carried out to sensing; thereby guarantee when diesel engine system 200 is shut down or restarted, the sensor block of rotation disk body 504 or the corresponding sensor of gauge hole 5042 for be exactly the cylinder of its piston in top dead center.
When with running shaft 506 synchronous rotary, the rotation sensor block of disk body 504 or gauge hole 5042 can along with the rotation of running shaft 506, according to the boot sequence of cylinder cover to its piston in succession the cylinder in top dead center carry out the sensor 503 of sensing.When thereby sensor 503 overlaps interaction with sensor block or gauge hole 5042, the electrical signal that sensor 503 sends via sensor line 502 there is different level from comparing with the electrical signal sending during partially overlapping except sensor block or gauge hole 5042 in rotation disk body 504 when sensor 503 (, be in a ratio of " minority " with other electrical signal levels, for example, other electrical signal levels are low, and this electrical signal levels is high, or vice versa), using by utilizing the cylinder numbers of this its piston of different level indicatings in top dead center to carry out the piston mode as a traffic tool state part to electronic control unit 204 indications, for the electronic control unit 204 of diesel engine system 200 in the unlatching of control cylinder starter gate valve 211 or close and make to connect air at caisson (201 when cylinder starter gate valve 211 is opened, 206) during gas circuit and between cylinder 212, use.When the sent electrical signal levels being associated with certain cylinder is when " minority " becomes " majority ", finish the intake process to this cylinder.
In one example, when traffic tool travelling state sensing device senses is that the traffic tool are in starting state to traffic tool travelling state, piston mode sensing device senses to piston mode be piston in top dead center, and atmospheric pressure state determining device determines that atmospheric pressure state is caisson (201; 206), when pressure is greater than the pressure of cylinder 212, electronic control unit 204 sends instruction to controlling gas circuit valve 207, so that it connected the control gas inlet and outlet (3011 of controlling gas circuit 209 and cylinder starter gate valve 211 before the IO Intake Valve Opens of cylinder; 3021), thus the air door body (3015 of cylinder starter gate valve 211; 3024) in controlling gas circuit 209, under compressed-air actuated thrust, towards the direction of cylinder, move, thus by the air ports (3016 of cylinder starter gate valve 211; 3025) connect primary air gas circuit 210 and cylinder 212 (as shown in the curve 3 in Fig. 4), to realize air from caisson (201; 206) flowing to cylinder 212, thereby the piston of cylinder 212 moves towards cylinder bottom direction under the promotion of air, drive thus crankshaft rotating, and bent axle drives other cylinder piston motions of diesel engine system 200, thereby light diesel engine system 200.
Wherein, in the situation that diesel engine system 200 comprises the gentle rail of air cylinder 201 206, whether electronic control unit 204 can the air quantity based in gas rail 206 meet the air quantity requirement that will flow into cylinder 212, determines whether to open valve 203/ valve 203 and the air cylinder total valve 202 between air cylinder 201 and gas rail 206.
It will be appreciated by those skilled in the art that take six cylinder diesel engine is example, in six cylinders, the phase angle of adjacent two differs 60 degree.When utilizing while providing the cylinder numbers of its piston in top dead center according to the electronic air distributing device of embodiment of the present invention to electronic control unit 204, electronic control unit 204 certainly can the phase angle differences based between this information and cylinder be judged the piston mode of other cylinders in diesel engine system.
As can be seen here, according to the diesel engine system of embodiment of the present invention, can there is start-up performance, can use alternately or simultaneously with electric Starting mode, improve the reliability that diesel engine system starts.
To sum up, visible, the diesel engine system pipeline of embodiment of the present invention is short, inflation/deflation is rapid, and energy recovery efficiency is high; Pressurized air and the public identical cylinder of diesel engine system, compact structure, system cost is lower.The work of compressed air system can be integrated in the working procedure of diesel engine system, and two systems complement each other, and performance improves jointly.Even without pressurized air, diesel engine system also can work, and original performance of diesel engine system is not affected.
Benefit from the instruction presenting in aforementioned description and associated drawings, embodiment of the present invention those skilled in the art can expect other mode of executions of the present invention and a lot of improvement.Therefore, should be appreciated that embodiments of the present invention are not limited to disclosed specific implementations, and modification is intended to be included in the scope of claims with other mode of executions.And, although above description and association service have been described illustrative embodiments in the context of some example combinations of element and/or function, but be to be understood that, do not departing under the prerequisite of claims scope, alternate embodiment can provide the various combination of element and/or function.With regard to this point, for example, can expect the element of explicit description above and/or the various combination of function, and be documented in some of claims.Although used particular term at this, only aspect universal description, use these terms, rather than for restriction.
Claims (14)
1. a diesel engine system, is characterized in that comprising:
Caisson, is configured for storage air;
Cylinder starter gate valve, is connected between described caisson and cylinder, is configured for the gas circuit being switched on or switched off between described caisson and described cylinder; And
Electronic control unit, be coupled to described cylinder starter gate valve, be configured for based on traffic tool state and control the unlatching of described cylinder starter gate valve or close, make to connect the gas circuit of described air between described caisson and described cylinder when described cylinder starter gate valve is opened;
Described traffic tool state comprises traffic tool travelling state, piston mode and atmospheric pressure state; Wherein said traffic tool travelling state is that the traffic tool travelling state detective device that is coupled to described electronic control unit in the traffic tool provides; Described system further comprises:
Piston mode detective device, is coupled to described electronic control unit and is arranged on the bent axle of described diesel engine system and have on the running shaft of fixed speed ratio, is configured for piston mode described in sensing; With
Atmospheric pressure state determining device, is coupled to described electronic control unit and described caisson, is configured for the atmospheric pressure state of determining described caisson and described cylinder.
2. system as claimed in claim 1, it is characterized in that, if described traffic tool travelling state is that the described traffic tool are in braking state, described piston mode is that described piston is in compression stroke, and the described atmospheric pressure state pressure that is described cylinder is greater than the pressure of described caisson, described electronic control unit is opened described cylinder starter gate valve, makes to connect the gas circuit of described air from described cylinder to described caisson.
3. system as claimed in claim 1, it is characterized in that, if described traffic tool travelling state is that the described traffic tool are in lower-speed state, described piston mode is that described piston is in suction stroke, and the described atmospheric pressure state pressure that is described caisson is greater than the pressure of described cylinder, described electronic control unit is opened described cylinder starter gate valve, makes to connect the gas circuit of described air from described caisson to described cylinder.
4. system as claimed in claim 1, it is characterized in that, if described traffic tool travelling state is that the described traffic tool are in fast state, described piston mode is that described piston is in compression stroke, and the described atmospheric pressure state pressure that is described cylinder is greater than the pressure of described caisson, described electronic control unit is opened described cylinder starter gate valve, makes to connect the gas circuit of described air from described cylinder to described caisson.
5. system as claimed in claim 1, is characterized in that, described piston mode detective device comprises electronic air distributing device, and this electronic air distributing device comprises:
Housing;
Installation of sensors disk body, be fixed on described housing, wherein the circumferential equal angles interval along described installation of sensors disk body disposes the installation of sensors hole for sensor installation, described installation of sensors hole and the number of sensor are identical with the number of cylinders of described diesel engine system, and described sensor is along the sense of rotation of running shaft, be arranged in described installation of sensors hole according to the boot sequence of its sensing cylinder;
Rotation disk body, be assemblied on the running shaft that bent axle with described diesel engine system has fixed speed ratio and synchronous rotary with it, the position that described rotation disk body can overlap with described sensing station diametrically disposes sensor block or gauge hole, and the initial initial position of described sensor block or gauge hole is for to overlap with the sensor that the cylinder of the first boot sequence is carried out to sensing, when described sensor overlaps with described sensor block or gauge hole, the electrical signal that described sensor sends from when described sensor, compare and there is different level with the electrical signal sending during partially overlapping except described sensor block or gauge hole in described rotation disk body, with by utilizing the cylinder numbers of this its piston of different level indicatings in top dead center to indicate described piston mode to described electronic control unit.
6. system as claimed in claim 5, it is characterized in that, if described traffic tool travelling state is that the described traffic tool are in starting state, described piston mode is that described piston is in top dead center, and the described atmospheric pressure state pressure that is described caisson is greater than the pressure of described cylinder, described electronic control unit was opened described cylinder starter gate valve before the IO Intake Valve Opens of described cylinder, made to connect the gas circuit of described air from described caisson to described cylinder.
7. system as claimed in claim 1, is characterized in that, the gas circuit between described caisson and cylinder starter gate valve comprises controls gas circuit and primary air gas circuit;
Described control gas circuit comprises controls gas circuit valve, and wherein said electronic control unit is controlled the unlatching of described cylinder starter gate valve or closed is by controlling the unlatching of described control gas circuit valve or closing that described control gas circuit and described cylinder starter gate valve are switched on or switched off to realization; And mobile between described caisson and described cylinder of air occurs by described primary air gas circuit.
8. as the system of claim 1 or 7, it is characterized in that, described caisson comprises air cylinder, and it is connected with primary air gas circuit with described cylinder starter gate valve or described control gas circuit.
9. as the system of claim 1 or 7, it is characterized in that, described caisson comprises gas rail and air cylinder;
Wherein said gas rail is connected with primary air gas circuit with described cylinder starter gate valve or described control gas circuit, is configured for interim storage air;
Described air cylinder is connected with described gas rail, is configured for longer-term storage air;
Described system further comprises the valve between described air cylinder and described gas rail, and described valve is opened or closed to wherein said electronic control unit based on certain strategy, to be switched on or switched off the gas circuit between described air cylinder and described gas rail.
10. system as claimed in claim 9, is characterized in that, further comprises the air cylinder total valve between described air cylinder and described valve, is configured for the air of storing in air cylinder described in long term seal;
Described electronic control unit is based on valve and described air cylinder total valve described in the next closure or openness simultaneously of described certain strategy, to be switched on or switched off the gas circuit between described air cylinder and described gas rail.
11. 1 kinds of electronic air distributing devices for diesel engine system, is characterized in that comprising:
Housing;
Installation of sensors disk body, be fixed on described housing, wherein the circumferential equal angles interval along described installation of sensors disk body disposes the installation of sensors hole for sensor installation, described installation of sensors hole and the number of sensor are identical with the number of cylinders of described diesel engine system, and described sensor is along the sense of rotation of running shaft, be arranged in described installation of sensors hole according to the boot sequence of its sensing cylinder;
Rotation disk body, be assemblied on the running shaft that bent axle with described diesel engine system has fixed speed ratio and synchronous rotary with it, the position that described rotation disk body can overlap with described sensing station diametrically disposes sensor block or gauge hole, and the initial initial position of described sensor block or gauge hole is for to overlap with the sensor that the cylinder of the first boot sequence is carried out to sensing, when described sensor overlaps with described sensor block or gauge hole, the electrical signal that described sensor sends from when described sensor, compare and there is different level with the electrical signal sending during partially overlapping except described sensor block or gauge hole in described rotation disk body, using by utilizing the cylinder numbers of this its piston of different level indicatings in top dead center to carry out the described piston mode as a traffic tool state part to described electronic control unit indication, for the electronic control unit of described diesel engine system in the unlatching of control cylinder starter gate valve or close while making to connect the gas circuit of air between caisson and cylinder when described cylinder starter gate valve is opened and use.
12. as the electronic air distributing device of claim 11, it is characterized in that, described sensor comprises noncontacting proximity sensor.
13. as the electronic air distributing device of claim 12, it is characterized in that, described noncontacting proximity sensor comprises at least one in electro-optical pickoff, magnetoelectric sensor and inductive transducer; And
Wherein said sensor block or gauge hole are corresponding with the type of described noncontacting proximity sensor.
14. as the electronic air distributing device of claim 11, it is characterized in that, described sensor block or gauge hole cover sensor described in one or two simultaneously.
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| CN201010616965.5A CN102072030B (en) | 2010-12-31 | 2010-12-31 | Diesel engine system and electronic air distributor |
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| CN201010616965.5A CN102072030B (en) | 2010-12-31 | 2010-12-31 | Diesel engine system and electronic air distributor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3025251A1 (en) * | 2014-08-28 | 2016-03-04 | Antoine Zalcman | THERMAL MIXED MOTOR / COMPRESSED AIR |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140251267A1 (en) * | 2013-03-07 | 2014-09-11 | Ford Global Technologies, Llc | Method and system for improving engine starting |
| DE102014113597A1 (en) * | 2014-09-19 | 2016-03-24 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Method for controlling a compressed air system, as well as compressed air system and vehicle |
| CN104329175A (en) * | 2014-11-21 | 2015-02-04 | 东风商用车有限公司 | Turbo-charged diesel engine auxiliary braking system |
| EP3139031A3 (en) * | 2015-09-02 | 2017-03-29 | Winterthur Gas & Diesel AG | Method for starting a large diesel engine and large diesel engine |
| CN105626342A (en) * | 2015-12-24 | 2016-06-01 | 沪东重机有限公司 | Slow-turning starting system for marine diesel engine |
| CN105781843A (en) * | 2016-05-17 | 2016-07-20 | 陕西柴油机重工有限公司 | Starting system and starting method for gas engine |
| CN107269439A (en) * | 2017-05-04 | 2017-10-20 | 中国北方发动机研究所(天津) | A kind of plateau starting device |
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| CN108223229A (en) * | 2017-12-27 | 2018-06-29 | 沪东重机有限公司 | A kind of start-control device of high-powered medium-speed diesel engines |
| CN108547701A (en) * | 2018-04-03 | 2018-09-18 | 苏伟 | Full working scope shunting timesharing super charge internal-combustion engine variable compression ratio technique |
| CN110206635A (en) * | 2019-06-05 | 2019-09-06 | 国营第六一六厂 | A kind of combustion air auxiliary air compensating system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6223846B1 (en) * | 1998-06-15 | 2001-05-01 | Michael M. Schechter | Vehicle operating method and system |
| CN101092902A (en) * | 2007-07-16 | 2007-12-26 | 靳北彪 | Other gas filled type engine |
| CN101649786A (en) * | 2008-08-12 | 2010-02-17 | 彭德康 | Hybrid flexible engine |
| CN202065074U (en) * | 2010-12-31 | 2011-12-07 | 潍柴动力股份有限公司 | Diesel engine system and electronic air distributing device |
-
2010
- 2010-12-31 CN CN201010616965.5A patent/CN102072030B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6223846B1 (en) * | 1998-06-15 | 2001-05-01 | Michael M. Schechter | Vehicle operating method and system |
| CN101092902A (en) * | 2007-07-16 | 2007-12-26 | 靳北彪 | Other gas filled type engine |
| CN101649786A (en) * | 2008-08-12 | 2010-02-17 | 彭德康 | Hybrid flexible engine |
| CN202065074U (en) * | 2010-12-31 | 2011-12-07 | 潍柴动力股份有限公司 | Diesel engine system and electronic air distributing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3025251A1 (en) * | 2014-08-28 | 2016-03-04 | Antoine Zalcman | THERMAL MIXED MOTOR / COMPRESSED AIR |
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