CN102003243A - Electrically regenerative engine retarder and control method thereof - Google Patents
Electrically regenerative engine retarder and control method thereof Download PDFInfo
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- CN102003243A CN102003243A CN2010105165337A CN201010516533A CN102003243A CN 102003243 A CN102003243 A CN 102003243A CN 2010105165337 A CN2010105165337 A CN 2010105165337A CN 201010516533 A CN201010516533 A CN 201010516533A CN 102003243 A CN102003243 A CN 102003243A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses an electrically regenerative engine retarder and a control method thereof. A retarder gear selecting handle, an engine speed sensor, a slider reversing sensor, and a stored energy state sensor output a gear signal of the gear selecting handle, an engine speed signal, a reversing signal of a linear generator slider and a stored energy state signal of an energy storage device to a signal processing circuit respectively, the signal processing circuit outputs the signals to an electronic control unit (ECU), and the ECU outputs a control signal to a flow divider valve driving circuit to adjust the openness of a flow divider valve; the ECU outputs the control signal to a reversing valve driving circuit according to the reversing signal of the linear generator slider to drive a reversing valve to change the working position, so that the linear generator slider does reciprocating linear motion, the vehicle kinetic energy absorbed by tail gas of an engine is transformed into electric energy; therefore, fuel oil economy of a vehicle is improved and energy resources are saved by electric energy regeneration technology, and the regenerated energy is electric energy which is easy to utilize.
Description
Technical field
The present invention relates to realize the engine braking technology of braking energy recovery, refer in particular to a kind of slowing down speed of engine and controlling method thereof that adopts the electric energy regeneration techniques.
Background technique
Slowing down speed of engine commonly used has motor to leak retarder on the vehicle, forms such as motor decompression retarder.During slowing down speed of engine work, by changing valve timing or valve timing and the lift under the engine-driving operating mode, convert motor to air compressor, car assisted primary brake system is braked temporarily.The braking force of slowing down speed of engine reasonable in design and driving power are suitable substantially, even may surpass driving power.For the performance that improves slowing down speed of engine, reduce amount of parts and size and alleviate engine weight, U.S. Pat 6450144B2, US6691674B2 have announced cam, valve driving component length adjustment device and the integrated speed buffer structure of Rocker arm assembly.But U.S. Pat has been announced the motor decompression retarder of brake gas recirculation and has announced a kind of slowing down speed of engine that this slowing down speed of engine reduces intake temperature by intercooler, increases the air inlet charge; Announced that a kind of motor leaks retarder, but fully utilized brake gas recirculation, exhaust back pressure can regulate and variable turbine geometry supercharging technology.But the braking energy of the slowing down speed of engine of above-mentioned U.S. Patent Publication all is to transfer in the atmosphere by the high pressure brake gas, and braking energy is not utilized effectively.
Summary of the invention
The objective of the invention is to propose a kind of electric regenerative motor retarder and controlling method thereof that the braking energy of slowing down speed of engine is recycled in the electric energy mode.
The present invention's electricity regenerative motor retarder adopts following technological scheme: comprise signal processing circuit and valve actuating mechanism, the signal processing circuit input is electrically connected retarder block selecting handle, engine rotation speed sensor, energy conversion device and energy storing device respectively, output is electrically connected control unit ECU, control unit ECU output is electrically connected selector valve drive circuit and diverter valve drive circuit, the output of selector valve drive circuit is electrically connected selector valve, and the output of diverter valve drive circuit is electrically connected bypassing exhaust mechanism; Energy storing device has the super capacitor group connects with two-way DC/DC transducer, and the series connection back is in parallel with battery pack, energy storage state sensor and power inverter, and the output of energy storage state sensor connects signal processing circuit; Energy conversion device has double-acting cylinder and linear electric generator, and double-acting cylinder has cylinder chamber, a left side and the right chamber of cylinder; Linear electric generator has the linear generating machine stator, the linear electric generator slider, be little Spielpassung between linear generating machine stator two ends and the linear generating machine stator and be fixedly installed in the double-acting cylinder left and right directions neutral position and between cylinder chamber, a left side and the right chamber of cylinder, in cylinder chamber, a left side and the right chamber of cylinder, respectively establish a slider commutation sensors that is electrically connected signal processing circuit, chamber, a cylinder left side links to each other with reflow pipe with the ram's horns of bypassing exhaust mechanism through selector valve with the right chamber of cylinder, bypassing exhaust mechanism comprise outlet pipe and on ram's horns and reflow pipe, in outlet pipe and between ram's horns and reflow pipe position is diverter valve, diverter valve connects outlet pipe by the shunting valve shaft, and selector valve is a three-position four-way valve.
The controlling method of the present invention's electricity regenerative motor retarder is to adopt following steps successively: retarder block selecting handle, engine rotation speed sensor, slider commutation sensors and energy storage state sensor are exported to signal processing circuit with block selecting handle shift signal, engine rotational speed signal, linear electric generator slider commutation signal and energy storing device energy storage state signal respectively, signal processing circuit is exported to control unit ECU with each described signal, control unit ECU outputs a control signal to the diverter valve drive circuit, regulates the aperture of diverter valve; Control unit ECU is according to the commutation signal of linear electric generator slider, output a control signal to the selector valve drive circuit, drive selector valve conversion working position, during the selector valve neutral position, the right chamber of cylinder chamber, a left side and cylinder does not communicate with ram's horns, the reflow pipe of bypassing exhaust mechanism, during non-neutral position, the right chamber of cylinder chamber, a left side and cylinder communicates with ram's horns, reflow pipe respectively, and the linear electric generator slider is done reciprocating linear motion.
The vehicle energy that when linear electric generator slider of the present invention does reciprocating linear motion motor exhaust is absorbed is converted to electric energy, adopts the electric energy regeneration techniques, improves fuel economy, the energy saving of vehicle; And regenerated energy is an electric energy, is easy to utilize.
Description of drawings
Fig. 1 is circuit, the gas circuit connection diagram of structure of the present invention.
Fig. 2 is the structural principle schematic representation of energy conversion device 2 among Fig. 1.
Fig. 3 is the structural principle schematic representation of energy storing device 1 among Fig. 1.
Fig. 4 is the structural principle schematic representation of bypassing exhaust mechanism 4 among Fig. 1.
Among the figure: 1. energy accumulating device; 2. energy conversion device; 3. selector valve; 4. bypassing exhaust mechanism; 5. selector valve drive circuit, 6. diverter valve drive circuit, 7. control unit ECU, 8. valve actuating mechanism, 9. engine rotation speed sensor; 10. retarder block selecting handle; 11. signal processing circuit; 12. slider commutation sensors; 13. energy storage state sensor; 14. chamber, a cylinder left side; 15. linear generating machine stator; 16. linear electric generator slider; 17. the right chamber of cylinder; 19. gas-tpe fitting; 20. linear electric generator output terminal; 21. linear electric generator; 22. gas-tpe fitting; 24. double-acting cylinder; 25. super capacitor group; 26. two-way DC/DC transducer; 27. lead-acid battery; 28. energy storage state sensor output; 29. energy storage device input; 30. power inverter; 31. energy storage device input; 32. outlet pipe; 33. ram's horns; 34. shunting valve shaft; 35. diverter valve; 36. reflow pipe.
Embodiment
Referring to Fig. 1, the present invention's electricity regenerative motor retarder comprises valve actuating mechanism 8, bypassing exhaust mechanism 4, energy conversion device 2, energy storing device 1, control unit ECU7 and signal processing circuit 11.Wherein, valve actuating mechanism 8 is one of electronic control type valve actuating mechanism or conventional valve actuating mechanism with reference to existing slowing down speed of engine valve actuation technology.The input of signal processing circuit 11 is electrically connected the output of energy storage state sensor 13 in slider commutation sensors 12, the energy storing device 1 in retarder block selecting handle 10, engine rotation speed sensor 9, the energy conversion device 2 respectively.The output of signal processing circuit 11 is electrically connected to the input of control unit ECU 7.The output of control unit ECU 7 is electrically connected to the input of selector valve drive circuit 5 and diverter valve drive circuit 6, if valve actuating mechanism 8 adopts electronic control type, the output of control unit ECU 7 also is electrically connected to the input of electronic control type valve actuating mechanism 8.The output of selector valve drive circuit 5 is electrically connected to the input of selector valve 3, and the output of diverter valve drive circuit 6 is electrically connected bypassing exhaust mechanism 4, specifically is diverter valve 35 inputs that are electrically connected in the bypassing exhaust shown in Figure 4 mechanism 4.
Referring to energy conversion device 2 shown in Figure 2, have double-acting cylinder 24 and linear electric generator 21, double-acting cylinder 24 has two active chambers: be respectively the right chamber 17 of cylinder chamber 14, a left side and cylinder; Linear electric generator 21 is magneto, induction type or reaction equation, have linear generating machine stator 15, linear electric generator slider 16 and linear electric generator output terminal 20, linear generating machine stator 15 is fixedly mounted on the neutral position of left and right directions in the double-acting cylinder 24, between cylinder chamber 14, a left side and the right chamber 17 of cylinder, be little Spielpassung between linear electric generator slider 16 two ends and the linear generating machine stator 15, linear electric generator slider 16 is the piston of double-acting cylinder 24 simultaneously.Chamber 14, a cylinder left side is connected gas-tpe fitting 22 and 19 respectively with the right chamber 17 of cylinder, communicate with the external world by gas-tpe fitting 22 and 19, in cylinder chamber 14, a left side and the right chamber 17 of cylinder a slider commutation sensors 12 that is electrically connected signal processing circuit 11 is installed respectively respectively, slider commutation sensors 12 can be fixedly mounted on the housing of double-acting cylinder 24 or linear electric generator 21.When linear electric generator slider 16 arrives left or right limit position, corresponding slider commutation sensors 12 output high level, during other position, output low level.Chamber 14, a cylinder left side links to each other with reflow pipe 36 with the ram's horns 33 of bypassing exhaust mechanism 4 through selector valve 3 with the right chamber 17 of cylinder, referring to accompanying drawing 1.The present invention is when implementing, and linear electric generator 21 can not be arranged in the cylinder, the slider of cylinder piston rod and linear electric generator 21 can be fixedly connected to get final product.
Referring to energy storing device 1 shown in Figure 3, energy storing device 1 comprises power inverter 30, energy storage state sensor 13, super capacitor group 25 and two-way DC/DC transducer 26, wherein, in parallel after super capacitor group 25 is connected with two-way DC/DC transducer 26 with battery pack 27, battery pack 27, energy storage state sensor 13 and power inverter 30 parallel connections; Power inverter 30 has two input ends 29,31, and the energy storage signal exports signal processing circuit 11 to by the output terminal 28 of energy storage state sensor 13.
Referring to bypassing exhaust shown in Figure 4 mechanism 4, bypassing exhaust mechanism 4 comprises outlet pipe 32, and ram's horns 33 and reflow pipe 36 are installed on the outlet pipe 32.In outlet pipe 32, and diverter valve 35 is installed between ram's horns 33 and reflow pipe 36 positions, diverter valve 35 connects outlet pipe 32 by shunting valve shaft 34.Before the engine exhaust gas processing unit, diverter valve 35 full cut-offs, waste gas can only flow out through ram's horns 33, and ram's horns 33 is connected energy conversion device 2 respectively with reflow pipe 36.Bypassing exhaust mechanism 4 among the present invention sets up shunting air flue and backflow air flue on the basis of conventional engines outlet pipe, under the engine-driving operating mode, and diverter valve 35 standard-sized sheets, waste gas is not shunted; Under overrunning condition, diverter valve 35 apertures change according to the operating mode needs, and waste gas enters energy conversion device 2 through ram's horns 33, flow back to outlet pipe through reflow pipe 36 after the transformation of energy, referring to accompanying drawing 1.
Selector valve 3 is a three-position four-way valve, during the neutral position, the right chamber 17 of cylinder chamber 14, a left side and cylinder does not communicate with the ram's horns 33 and the reflow pipe 36 of bypassing exhaust mechanism 4, during non-neutral position, the right chamber 17 of cylinder chamber 14, a left side and cylinder communicates with ram's horns 33, reflow pipe 36 respectively, but the right chamber 17 of cylinder chamber 14, a left side and cylinder is not connected, communicates with ram's horns 33 or reflow pipe 36 when chamber 14, a cylinder left side, the 17 single-actings work of the right chamber of cylinder.
Retarder block selecting handle 10, engine rotation speed sensor 9, slider commutation sensors 12 and energy storage state sensor 13 are exported to signal processing circuit 11 with the energy storage state signal of block selecting handle shift signal, engine rotational speed signal, linear electric generator slider 16 commutation signal and energy storing device 1 respectively, signal processing circuit 11 becomes control unit ECU 7 accessible signals with above-mentioned signal conversion, and exports to control unit ECU 7.If valve actuating mechanism 8 is an electronic control type, valve timing or timing and lift when control unit ECU 7 regulates engine braking according to engine rotational speed signal, block selecting handle shift signal and energy storing device 1 energy storage state signal, output a control signal to diverter valve drive circuit 6, regulate the aperture of diverter valve 35, the expected value of valve timing when determining engine braking or valve timing and lift, diverter valve 35 apertures; If conventional valve actuating mechanism 8, control unit ECU 7 outputs a control signal to diverter valve drive circuit 6, regulates the aperture of diverter valve 35, the expected value of diverter valve 35 apertures when determining engine braking according to above-mentioned signal.Control unit ECU 7 is according to the commutation signal of linear electric generator slider 16, output a control signal to selector valve drive circuit 5, drive selector valve 3 conversion working positions, the break-make of the cylinder chamber 14, a left side of switch dual active cylinder 24 and the right chamber 17 of cylinder and ram's horns 33, reflow pipe 36, realize the linear reciprocating motion of linear electric generator slider 16, thereby the vehicle energy that motor exhaust is absorbed is converted to electric energy.
Claims (3)
1. electric regenerative motor retarder, comprise signal processing circuit (11) and valve actuating mechanism (8), signal processing circuit (11) input is electrically connected retarder block selecting handle (10) respectively, engine rotation speed sensor (9), energy conversion device (2) and energy storing device (1), output is electrically connected control unit ECU(7), control unit ECU (7) output is electrically connected selector valve drive circuit (5) and diverter valve drive circuit (6), selector valve drive circuit (5) output is electrically connected selector valve (3), diverter valve drive circuit (6) output is electrically connected bypassing exhaust mechanism (4), it is characterized in that: described energy storing device (1) has super capacitor group (25) and connects with two-way DC/DC transducer (26), series connection back and battery pack (27), energy storage state sensor (13) and power inverter (30) parallel connection, energy storage state sensor (13) output connects signal processing circuit (11); Described energy conversion device (2) has double-acting cylinder 24 and linear electric generator (21), and double-acting cylinder (24) has cylinder chamber (14), a left side and the right chamber (17) of cylinder; Linear electric generator (21) has linear generating machine stator (15), linear electric generator slider (16), between linear generating machine stator (15) two ends and the linear generating machine stator (15) is little Spielpassung, and be fixedly installed on double-acting cylinder (24) interior left and right directions neutral position and be positioned at chamber (14), a cylinder left side and cylinder chamber, the right side (17) between, in cylinder chamber (14), a left side and the right chamber of cylinder (17), respectively establish a slider commutation sensors (12) that is electrically connected signal processing circuit (11), cylinder chamber, a left side (14) links to each other with reflow pipe (36) with the ram's horns (33) of bypassing exhaust mechanism (4) through selector valve (3) with the right chamber of cylinder (17), described bypassing exhaust mechanism (4) comprise outlet pipe (32) and on ram's horns (33) and reflow pipe (36), in exhaust (pipe 32) and to be positioned between ram's horns (33) and reflow pipe (36) position be diverter valve (35), diverter valve (35) connects outlet pipe (32) by shunting valve shaft (34), and described selector valve (3) is a three-position four-way valve.
2. a kind of electric regenerative motor retarder according to claim 1 is characterized in that: control unit ECU(7) output is electrically connected valve actuating mechanism (8) input of electronic control type.
3. the controlling method of an electric regenerative motor retarder is characterized in that in turn including the following steps:
A, retarder block selecting handle (10), engine rotation speed sensor (9), slider commutation sensors (12) and energy storage state sensor (13) are exported to signal processing circuit (11) with block selecting handle shift signal, engine rotational speed signal, linear electric generator slider (16) commutation signal and energy storing device (1) energy storage state signal respectively, and signal processing circuit (11) is exported to control unit ECU(7 with each described signal);
B, control unit ECU(7) output a control signal to diverter valve drive circuit (6), regulate the aperture of diverter valve (35);
C, control unit ECU(7) according to the commutation signal of linear electric generator slider (16), output a control signal to selector valve drive circuit (5), drive selector valve (3) conversion working position, during selector valve (3) neutral position, cylinder chamber (14), a left side and the right chamber of cylinder (17) do not communicate with ram's horns (33), the reflow pipe (36) of bypassing exhaust mechanism (4), during non-neutral position, cylinder chamber (14), a left side and cylinder chamber, the right side (17) communicate with ram's horns (33), reflow pipe (36) respectively; Linear electric generator slider (16) is done reciprocating linear motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105165337A CN102003243B (en) | 2010-10-25 | 2010-10-25 | Electrically regenerative engine retarder and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105165337A CN102003243B (en) | 2010-10-25 | 2010-10-25 | Electrically regenerative engine retarder and control method thereof |
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| Publication Number | Publication Date |
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| CN102003243A true CN102003243A (en) | 2011-04-06 |
| CN102003243B CN102003243B (en) | 2012-08-15 |
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| CN2010105165337A Expired - Fee Related CN102003243B (en) | 2010-10-25 | 2010-10-25 | Electrically regenerative engine retarder and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954126A (en) * | 2012-11-05 | 2013-03-06 | 江苏大学 | Hydraulic retarder with temperature difference power generation assembly and control method thereof |
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2010
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Patent Citations (7)
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