CN209115193U - A kind of engine energy-saving auxiliary pressurization system - Google Patents
A kind of engine energy-saving auxiliary pressurization system Download PDFInfo
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- CN209115193U CN209115193U CN201821527117.5U CN201821527117U CN209115193U CN 209115193 U CN209115193 U CN 209115193U CN 201821527117 U CN201821527117 U CN 201821527117U CN 209115193 U CN209115193 U CN 209115193U
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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
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Abstract
A kind of engine energy-saving auxiliary pressurization system, wherein air compressor machine (8) gas outlet is connected by gas exhaust piping (9) with switching valve (11), accumulator (10) air inlet is connected by pressure accumulation pipeline (16) with switching valve (11), the gas outlet of accumulator (10) is connected by additional mechanical supercharging air inlet pipeline (19) with engine charge connecting tube (4), pressure accumulation pipeline is provided with check valve I (17) in (16), by-passing valve (21) and check valve II (20) are provided on additional mechanical supercharging air inlet pipeline (19), gas storage pressure sensor (14) are provided on air accumulator (13), pressure accumulation pressure sensor (18) are provided on accumulator (10), air inlet pressure sensor (22) are provided on engine air inlet tube (5).It reduces energy dissipation, energy consumption, effectively improve capacity usage ratio.
Description
Technical field
The utility model relates to a kind of pressure charging system, more specifically to a kind of engine energy-saving auxiliary pressurization system,
Belong to automobile additional mechanical supercharging technology technical field.
Background technique
In the prior art, engine generallys use exhaust turbine pressuring technology, drives turbine using engine exhaust energy
Booster is improved charge density, increases air inflow, hoisting power is improved fuel oil by turbocharger compresses air inlet cylinder
Economy, emission performance.But since exhaust-driven turbo-charger exhaust-gas turbo charger own operating characteristics influence, there are problems that following turbo lag:
1, when low speed, since engine exhaust energy is low, turbo charger speed is low, and degree of boost is low, in addition the variation of exhaust energy
Certain time is needed to admission pressure foundation, therefore causes engine power insufficient；2, accelerate when, exhaust energy change into
Atmospheric pressure foundation needs certain time, and booster response characteristic is poor.And turbo lag problem will affect engine power performance, economy
Property, acceleration, emission performance etc., although having developed various turbocharging technologies at present, as pressure booster with variable cross section, two-stage increase
The technologies such as pressure, combined supercharging, asymmetric double runner booster, can improve turbo lag problem, but still can not thoroughly solve whirlpool
Take turns braking problems.
Chinese utility model patent " automobile engine waste gas turbine pressure boost auxiliary device " (license notification number
CN201535195U, authorized announcement date are on 07 28th, 2010) disclose a kind of automobile engine waste gas turbine pressure boost auxiliary
Device, including turbocharger, one end connect exhaust pipe, and the other end connects inlet manifold；Its main feature is that: it is set on inlet manifold
There is branch pipe, be connected with caisson thereon, valving is installed on the output end of caisson, is installed on the inlet manifold
There are pressure sensor, temperature sensor；The control terminal connection electronic control of valving, pressure sensor and temperature sensor is single
Member passes through the control of electronic control unit.The utility model patent in right amount carries out engine charge by gas receiver necessary
Additional mechanical supercharging makes engine operating condition meet the needs of automobile sudden load rapidly, can improve turbo lag problem, and improvement is started
Machine acceleration responsiveness.But realized by the compressed air of gas receiver to engine additional mechanical supercharging, and gas receiver compressed air is come
From inflating, supplying in air compressor machine, air compressor machine power consumption is consumed, extra power consumption is caused to lose, reduces engine output, energy benefit
It is low with rate；Meanwhile realizing that gas receiver compressed air is for braking system to engine additional mechanical supercharging by the compressed air of gas receiver
System gas, influences whether use for brake system gas.
Summary of the invention
The purpose of this utility model is that for additional consumption of engine existing for existing engine auxiliary pressurization system
The problems such as energy, provides a kind of engine energy-saving auxiliary pressurization system.
To achieve the above object, the technical solution of the utility model is: a kind of engine energy-saving auxiliary pressurization system,
Including air cleaner, booster, intercooler, engine charge connecting tube, engine air inlet tube, engine body, engine
Exhaust manifold, air compressor machine, vehicle VCU, the engine charge connecting tube are connect with engine air inlet tube, the air compressor machine
Air inlet is connect by air compressor air intake pipeline with air cleaner, further includes having accumulator, switching valve, drier and gas storage
Tank, the air compressor machine gas outlet are connected by gas exhaust piping with switching valve, and the switching valve is connect with drier, institute
The drier stated is connected with air accumulator, and the accumulator air inlet is connected by pressure accumulation pipeline with switching valve, accumulator
Gas outlet be connected by additional mechanical supercharging air inlet pipeline with engine charge connecting tube, be provided with list in the pressure accumulation pipeline
To valve I, it is provided with by-passing valve and check valve II on the additional mechanical supercharging air inlet pipeline, is provided with gas storage on the air accumulator
Pressure sensor is provided with pressure accumulation pressure sensor on the accumulator, is provided with air inlet on the engine air inlet tube
Pressure sensor, the switching valve, gas storage pressure sensor, pressure accumulation pressure sensor, by-passing valve, air inlet pressure sensor point
It is not electrically connected with vehicle VCU.
The switching valve two position three-way valve.
The by-passing valve is automatically controlled butterfly valve.
Pressure accumulation pressure sensor, gas storage pressure sensor and the air inlet pressure sensor is semiconductor varistor
Formula pressure sensor.
Compared with prior art, the beneficial effects of the utility model are:
1, by the way that accumulator is arranged between gas exhaust piping and drier in the utility model, when gas receiver reaches setting pressure
When power, when needing off-load, compressed air enters accumulator through pressure accumulation pipeline, exhausts in atmosphere when collecting former off-load by accumulator
Compressed air reduces energy dissipation, energy consumption, effectively improves capacity usage ratio.
2, the utility model collects the air that atmosphere is discharged into when air compressor machine off-load by accumulator, reduces energy dissipation；Together
The pressure accumulation air of Shi Liyong accumulator realizes the air inlet of engine additional mechanical supercharging, effectively promotes hair by additional mechanical supercharging air inlet pipeline
Motivation air inflow improves low engine speed, acceleration responsiveness, and improves capacity usage ratio.
Detailed description of the invention
Fig. 1 is the utility model structure diagram.
In figure: air cleaner 1, intercooler 3, engine charge connecting tube 4, engine air inlet tube 5, starts booster 2
Machine ontology 6, enmgine exhaust 7, air compressor machine 8, gas exhaust piping 9, accumulator 10, switching valve 11, drier 12, air accumulator
13, gas storage pressure sensor 14, vehicle VCU 15, pressure accumulation pipeline 16, check valve I 17, pressure accumulation pressure sensor 18, additional mechanical supercharging
Air inlet pipeline 19, check valve II 20, by-passing valve 21, air inlet pressure sensor 22.
Specific embodiment
The utility model is described in further detail below in conjunction with Detailed description of the invention and specific embodiment.
Referring to Fig. 1, a kind of engine energy-saving auxiliary pressurization system, including air cleaner 1, booster 2, intercooler 3, hair
Motivation inlet pipe connection 4, engine air inlet tube 5, engine body 6, enmgine exhaust 7, air compressor machine 8, vehicle VCU 15,
Accumulator 10, switching valve 11, drier 12 and air accumulator 13；It realizes that engine is auxiliary when can recycle 8 off-load of air compressor machine
Super charge is helped, exhaust-driven turbo-charger exhaust-gas turbo charger braking problems is solved, improves supercharging effect, improve capacity usage ratio；
Referring to Fig. 1, the engine charge connecting tube 4 is connect with engine air inlet tube 5,8 air inlet of air compressor machine
Mouth is connect by air compressor air intake pipeline with air cleaner 1；8 gas outlet of air compressor machine passes through gas exhaust piping 9 and conversion
Valve 11 is connected, and the switching valve 11 is connect with drier 12, and the drier 12 is connected with air accumulator 13.Described
10 air inlet of accumulator is connected by pressure accumulation pipeline 16 with switching valve 11, and the gas outlet of accumulator 10 passes through additional mechanical supercharging air inlet
Pipeline 19 is connected with engine charge connecting tube 4；Check valve I 17, the auxiliary are provided in the pressure accumulation pipeline 16
By-passing valve 21 and check valve 21 II are provided on super charge pipeline 19.Gas storage pressure sensing is provided on the air accumulator 13
Device 14 is provided with pressure accumulation pressure sensor 18 on the accumulator 10, is provided with air inlet pressure on the engine air inlet tube 5
Force snesor 22；The switching valve 11, gas storage pressure sensor 14, pressure accumulation pressure sensor 18, by-passing valve 21 control terminal,
Air inlet pressure sensor 22 is electrically connected with vehicle VCU15 respectively, gas storage pressure sensor 14, pressure accumulation pressure sensor 18 and air inlet
Pressure sensor 22 detects the variation of pressure respectively, is then converted into signal voltage and send to vehicle VCU15.
Referring to Fig. 1, specifically, the switching valve 11 is two position three-way valve.
Referring to Fig. 1, specifically, the by-passing valve 21 is automatically controlled butterfly valve.
Referring to Fig. 1, specifically, the pressure accumulation pressure sensor 18, gas storage pressure sensor 14 and admission pressure sensing
Device 22 is semiconductor piezo-resistive pressure sensor.
Referring to Fig. 1, when work, air compressor machine 8 is inflated through 1 air inlet of air cleaner to air accumulator 13, when 13 pressure of air accumulator
When reaching setting value, electric signal is fed back to vehicle VCU15 by gas storage pressure sensor 14, and vehicle VCU15 issues electric signal control
Switching valve 11 on gas exhaust piping 9 opens pressure accumulation pipeline 16, closes the exhaust passage for leading to drier 12, starts to accumulator 10
Gas supply, makes to be discharged into when off-load in the compressed-air-storing to accumulator 10 of atmosphere；The guarantee of check valve I 17 in pressure accumulation pipeline 16 is unloaded
It in compressed-air-storing to accumulator 10 when lotus, will not be blowed back into air compressor machine gas exhaust piping 9 from accumulator 10, realize recycling
Energy consumption when 8 off-load of air compressor machine.When not up to pressure is arranged in 5 air pressure of engine air inlet tube, air inlet pressure sensor 22 will
Electric signal feeds back to vehicle VCU15, and vehicle VCU15 issues electric signal control and opens by-passing valve 21, and air is through auxiliary in accumulator 10
It helps super charge pipeline 19 to enter engine charge connecting tube 4, enters engine body 6 through engine air inlet tube 5 and participate in burning；
Check valve II 20 in additional mechanical supercharging air inlet pipeline 19 guarantees that the pressurized air from accumulator 10 can only enter engine charge
Connecting tube 4, the pressurized air in engine charge connecting tube 4 will not be flow backwards into accumulator 10, realize engine additional mechanical supercharging
Air inlet improves low engine speed, acceleration responsiveness；Energy additional mechanical supercharging air inlet when recycling 8 off-load of air compressor machine to realize,
Improve capacity usage ratio.When 5 air pressure of engine air inlet tube reaches setting pressure, by-passing valve 21 is in off state, auxiliary
It helps super charge pipeline 19 to close, does not consume 10 energy of accumulator.After braking system work gas, 13 pressure of air accumulator is less than
When setting value or 10 pressure of accumulator reach setting value, pressure accumulation pressure sensor 18, gas storage pressure sensor 14 are anti-by electric signal
Feed vehicle VCU15, and the switching valve 11 that vehicle VCU15 is issued on electric signal control gas exhaust piping 9 closes 16 channel of pressure accumulation pipeline,
The channel of drier 12 is opened, and starts to supply to air accumulator 13；Thus in the case where not influencing the just common gas of air accumulator 13,
Energy additional mechanical supercharging air inlet when realizing recycling 8 off-load of air compressor machine, improves capacity usage ratio.
Referring to Fig. 1, in the utility model in the case where not influencing the just common gas of air accumulator 13, collected by accumulator 10
It is discharged into the air of atmosphere when 8 off-load of air compressor machine, reduces energy dissipation；The pressure accumulation air for utilizing accumulator 10 simultaneously, utilizes compression
Air energy is realized the air inlet of engine additional mechanical supercharging, is effectively promoted and started by 19 supply engine of additional mechanical supercharging air inlet pipeline
Machine air inflow solves exhaust-driven turbo-charger exhaust-gas turbo charger braking problems, improves low engine speed, acceleration responsiveness, and improves energy benefit
With rate.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, above structure
It all shall be regarded as belonging to the protection scope of the utility model.
Claims (4)
1. a kind of engine energy-saving auxiliary pressurization system, including air cleaner (1), booster (2), intercooler (3), engine
Inlet pipe connection (4), engine air inlet tube (5), engine body (6), enmgine exhaust (7), air compressor machine (8), vehicle
VCU (15), the engine charge connecting tube (4) are connect with engine air inlet tube (5), the air compressor machine (8) air inlet
It is connect by air compressor air intake pipeline with air cleaner (1), it is characterised in that: further include having accumulator (10), switching valve
(11), drier (12) and air accumulator (13), the air compressor machine (8) gas outlet pass through gas exhaust piping (9) and switching valve (11)
It is connected, the switching valve (11) is connect with drier (12), and the drier (12) is connected with air accumulator (13), institute
Accumulator (10) air inlet stated is connected by pressure accumulation pipeline (16) with switching valve (11), and the gas outlet of accumulator (10) passes through
Additional mechanical supercharging air inlet pipeline (19) is connected with engine charge connecting tube (4), is provided with list in the pressure accumulation pipeline (16)
To valve I (17), by-passing valve (21) and check valve II (20), the storage are provided on the additional mechanical supercharging air inlet pipeline (19)
It is provided on gas tank (13) gas storage pressure sensor (14), the accumulator is provided with pressure accumulation pressure sensor on (10)
(18), it is provided with air inlet pressure sensor (22) on the engine air inlet tube (5), the switching valve (11), gas storage pressure
Force snesor (14), pressure accumulation pressure sensor (18), by-passing valve (21), air inlet pressure sensor (22) respectively with vehicle VCU
(15) it is electrically connected.
2. a kind of engine energy-saving auxiliary pressurization system according to claim 1, it is characterised in that: the switching valve
It (11) is two position three-way valve.
3. a kind of engine energy-saving auxiliary pressurization system according to claim 1, it is characterised in that: the by-passing valve
It (21) is automatically controlled butterfly valve.
4. a kind of engine energy-saving auxiliary pressurization system according to claim 1, it is characterised in that: the pressure accumulation pressure
Sensor (18), gas storage pressure sensor (14) and air inlet pressure sensor (22) are semiconductor piezoresistor type pressure sensing
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821527117.5U CN209115193U (en) | 2018-09-19 | 2018-09-19 | A kind of engine energy-saving auxiliary pressurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821527117.5U CN209115193U (en) | 2018-09-19 | 2018-09-19 | A kind of engine energy-saving auxiliary pressurization system |
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| Publication Number | Publication Date |
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| CN209115193U true CN209115193U (en) | 2019-07-16 |
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ID=67198869
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| CN201821527117.5U Active CN209115193U (en) | 2018-09-19 | 2018-09-19 | A kind of engine energy-saving auxiliary pressurization system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098837A (en) * | 2018-09-19 | 2018-12-28 | 东风商用车有限公司 | A kind of engine energy-saving auxiliary pressurization system |
| CN110410220A (en) * | 2019-07-29 | 2019-11-05 | 东风商用车有限公司 | Exhaust brake valve and air compressor machine United Assistant Brake system and method |
| CN112682180A (en) * | 2021-01-05 | 2021-04-20 | 东风商用车有限公司 | Auxiliary exhaust braking system of supercharged engine |
-
2018
- 2018-09-19 CN CN201821527117.5U patent/CN209115193U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098837A (en) * | 2018-09-19 | 2018-12-28 | 东风商用车有限公司 | A kind of engine energy-saving auxiliary pressurization system |
| CN110410220A (en) * | 2019-07-29 | 2019-11-05 | 东风商用车有限公司 | Exhaust brake valve and air compressor machine United Assistant Brake system and method |
| CN112682180A (en) * | 2021-01-05 | 2021-04-20 | 东风商用车有限公司 | Auxiliary exhaust braking system of supercharged engine |
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