CN205744162U - A kind of system of auxiliary diesel vehicle-mounted method discharge - Google Patents
A kind of system of auxiliary diesel vehicle-mounted method discharge Download PDFInfo
- Publication number
- CN205744162U CN205744162U CN201620700618.3U CN201620700618U CN205744162U CN 205744162 U CN205744162 U CN 205744162U CN 201620700618 U CN201620700618 U CN 201620700618U CN 205744162 U CN205744162 U CN 205744162U
- Authority
- CN
- China
- Prior art keywords
- intake
- electromotor
- vehicle
- delivery temperature
- order
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
This utility model relates to technical field of engines, discloses the system of a kind of auxiliary diesel vehicle-mounted method discharge, including: intake-air throttle valve, it is arranged on engine intake side；Detection device, in order to detect the delivery temperature of described electromotor；And control device, in order to gather the delivery temperature of described institute electromotor, in the case of this delivery temperature is less than preset value, reduce the aperture of described intake-air throttle valve, so that delivery temperature raises；This system is by controlling the aperture of device regulation intake-air throttle valve to control charge flow rate, thus regulate engine exhaust temperature, on the premise of guaranteeing that economy is unaffected, solve the problem causing after-treatment system transformation efficiency to be unable to reach requirement because delivery temperature is low, post processing is made to work at efficient region, i.e. realize post processing transformation efficiency optimization, make the emission level of electromotor meet state (Europe) five, state (Europe) six, and car load vehicle-mounted discharge laws and regulations requirement.
Description
Technical field
This utility model relates to technical field of engines, in particular it relates to the discharge of a kind of auxiliary diesel vehicle-mounted method is
System.
Background technology
Along with socioeconomic development, the attention degree of Environmental protection is more and more higher, in April, 2016 east 11 province
Having been directed towards special vehicle (public transport, environmental sanitation, postal service) and implement state five discharge standard requirement, the whole nation also will be on July 1st, 2017
5 stage engine emission standards are carried out for heavy-duty diesel vehicle.
More acid test is that regulating authorities the most actively carries out discharging (heavy bavin for the vehicle-mounted method of heavy-duty diesel vehicle
Oil car carries out a kind of mode of vehicle-mounted discharge detection in real road driving procedure) and combustion fuel economy regulation, in this discharge and
Under the challenge that economy is dual, manufacturer have to provide the electromotor that more environmental protection is the most economic.
The heavy-duty diesel oil machine technology of present stage uses the post-processing technologies such as DOC, POC and DPF to reduce PM (particulate matter)
Discharge, use the after-treatment device such as EGR, SCR to reduce NOx.But the transformation efficiency of after-treatment system ceases with delivery temperature
Manner of breathing closes, and it is more thorough that the chemical reaction involved by post processing must the most just can be carried out, if so row
Temperature is on the low side, then can have a strong impact on the transformation efficiency of after-treatment system, and then causes exhaust pollutant cannot meet regulation wanting
Ask.
For this situation, the strategy that current auto vendor takes mainly obtains higher row by distributive value after increasing
Temperature, the most naturally can be sacrificed the fuel economy of electromotor, and along with the birth of fuel economy regulation, be added by rear spray
The strategy of heat will not be suitable for.
Utility model content
The purpose of this utility model is to provide the system of a kind of auxiliary diesel vehicle-mounted method discharge, and this system is filled by control
Put the aperture of regulation intake-air throttle valve to control charge flow rate, thus regulate engine exhaust temperature, guaranteeing that economy is not subject to
On the premise of impact, solve the problem causing because delivery temperature is low after-treatment system transformation efficiency to be unable to reach requirement, make
Post processing works at efficient region, i.e. realizes post processing transformation efficiency optimization, makes the emission level of electromotor meet state (Europe)
Five, state (Europe) six, and car load vehicle-mounted discharge laws and regulations requirement.
To achieve these goals, this utility model provides the system of a kind of auxiliary diesel vehicle-mounted method discharge, including: enter
Gas choke valve, is arranged on engine intake side；Detection device, in order to detect the delivery temperature of described electromotor；And control
Device, in order to gather the delivery temperature of described institute electromotor, in the case of this delivery temperature is less than preset value, enters described in reduction
The aperture of gas choke valve, so that delivery temperature raises.
Preferably, described detection device is also configured to detect intake air temperature and the admission pressure of described electromotor.
Preferably, described detection device includes the exhaust gas temperature sensor detecting described engine exhaust temperature, its
It is arranged on described waste pipe.
Preferably, described detection device also includes the air inlet of intake air temperature and the admission pressure detecting described electromotor
Temperature sensor and air inlet pressure sensor, it is arranged in the air inlet of described electromotor.
Preferably, described intake-air throttle valve is arranged in the inlet manifold of described electromotor or before inlet manifold.
Preferably, described intake-air throttle valve includes: valve body, has the passage by gas；Valve block, is installed in rotation on
In the passage of described valve body, in order to control the gas flow by described valve body；And steering structure, including direct current generator, valve
Sheet rotating shaft and gear train, described direct current generator and described valve block rotating shaft are connected by described gear train, described direct current generator defeated
Shaft installs driving gear, and described valve block rotating shaft is installed driven gear；Described direct current generator is driven by described control device.
Preferably, also include detecting structure, in order to detect the aperture of described intake-air throttle valve.
Preferably, described detection structure is to be arranged on the angular transducer of described valve block rotating shaft one end, described angle sensor
Device is in order to gather the rotational angle of described valve block rotating shaft, and is sent to described control device, and described control device is in order to according to connecing
The described rotational angle received determines the aperture of described intake-air throttle valve.
By technique scheme, this system is arranged in inlet manifold or before inlet manifold, by the aperture of valve
Change, controls engine intake airflow, when vehicle travels under the operating mode that delivery temperature is relatively low, then cannot meet post processing normal
The requirement of work, now, controlling device such as car running computer (ECU) will be controlled intake-air throttle valve closed certain angle by instruction
Degree, reduces charge flow rate, increases delivery temperature, thus realizes after-treatment system and can work under higher conversion efficiency, fall
Low exhaust gas emission, reduces the secondary pollution caused because of post processing conversion efficiency ground simultaneously.Native system is by arranging electromotor
Gas system carries out full working scope heat management, adjusts post-processing temperature the most flexibly, makes post processing work at efficient region, i.e. realizes
Post processing transformation efficiency optimization, makes the emission level of electromotor meet state (Europe) five, state (Europe) six, and car load vehicle-mounted discharge method
Rule requirement.
Other features and advantages of the utility model will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes a part for description, with following
Detailed description of the invention be used for explaining this utility model together, but be not intended that restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the system structure schematic diagram of the auxiliary diesel vehicle-mounted method discharge of a kind of embodiment of this utility model；
Fig. 2 is the structural representation of the intake-air throttle valve of a kind of embodiment of this utility model.
Description of reference numerals
1 intake-air throttle valve 2 electromotor 3 inlet manifold
4 exhaust gas temperature sensor 5 intake air temperature sensor 6 air inlet pressure sensors
7 exhaustors 8 control device 10 valve body
11 valve block 12 valve block rotating shaft 13 direct current generators
14 driving gear 15 driven gear 16 angular transducers
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.It should be appreciated that herein
Described detailed description of the invention is merely to illustrate and explains this utility model, is not limited to this utility model.
Fig. 1 is the system structure schematic diagram of the auxiliary diesel vehicle-mounted method discharge of a kind of embodiment of this utility model.
As it is shown in figure 1, the system of the auxiliary diesel vehicle-mounted method discharge of a kind of embodiment of this utility model, including: enter
Gas choke valve 1, is arranged on electromotor 2 air inlet side；Detection device, in order to detect the delivery temperature of described electromotor 2；And control
Device processed, in order to gather the delivery temperature of described institute electromotor 2, in the case of this delivery temperature is less than preset value, reduces institute
State the aperture of intake-air throttle valve 1, so that delivery temperature raises.
According to The Ideal-Gas Equation, in engine working process, it is possible to the principal element affecting delivery temperature is row
Throughput and pressure at expulsion.Pressure at expulsion is mainly determined by the resistance of gas extraction system, according to mass conservation law, extraction flow by
Charge flow rate and fuel injection amount determine, i.e. extraction flow adds fuel injection amount equal to charge flow rate.By to extraction flow
Control with pressure at expulsion can realize the regulation to delivery temperature, and the size of extraction flow depends on charge flow rate, this reality
The system discharged by the vehicle-mounted method of auxiliary diesel of novel a kind of embodiment, can be by adjusting the aperture control of intake-air throttle valve
Make into charge flow rate, coordinate in-cylinder combustion to demarcate, it is achieved gas extraction system to carry out effective heat management control, makes after-treatment system
It is operated in the temperature range that transformation efficiency is higher, thus emission treatment DPF and the catalyst reduction system SCR of rear tail gas are greatly improved
Transformation efficiency.
According to this utility model one embodiment, described detection device is also configured to detect described electromotor 2
Intake air temperature and admission pressure.
According to this utility model one embodiment, the described detection device in order to detect described electromotor 2 delivery temperature
Can be such as exhaust gas temperature sensor 4, it be arranged on the exhaustor 7 of described electromotor 2 or the aerofluxus side of electromotor 2.
According to this utility model one embodiment, described intake air temperature in order to detect described electromotor 2 and air inlet pressure
The detection device of power can be intake air temperature sensor 5 and air inlet pressure sensor 6, and it is arranged on the air inlet of described electromotor 2
In mouthful.
According to this utility model one embodiment, described intake-air throttle valve 1 is arranged on the inlet manifold of described electromotor 2
On 3, it is also possible to before being arranged on inlet manifold 3.
Fig. 2 is the structural representation of the intake-air throttle valve of a kind of embodiment of this utility model.
As in figure 2 it is shown, the system of the auxiliary diesel vehicle-mounted method discharge of a kind of embodiment of this utility model, described air inlet
Choke valve 1 includes: valve body 10, has the passage by gas；Valve block 11, is installed in rotation on the passage of described valve body 10
In, in order to control the gas flow by described valve body 10；And steering structure, including direct current generator 13, valve block rotating shaft 12 and
Gear train, described direct current generator 13 and described valve block rotating shaft 12 are connected by described gear train, the output of described direct current generator 13
Axle installs driving gear 14, and described valve block rotating shaft 12 is installed driven gear 15；Described direct current generator 13 is by described control device
Drive.
According to this utility model one embodiment, also include detecting structure, in order to detect opening of described intake-air throttle valve 1
Degree.
According to this utility model one embodiment, described detection structure is to be arranged on the angle of described valve block rotating shaft 12 one end
Degree sensor 16, described angular transducer 16 is in order to gather the rotational angle of described valve block rotating shaft 12, and is sent to described control
Device, described control device in order to determine the aperture of described intake-air throttle valve 1 according to the described rotational angle received.
By technique scheme, this system is arranged in inlet manifold 3 or before inlet manifold 3, is saved by air inlet
The aperture change of stream valve 1, controls electromotor 2 charge flow rate, when vehicle travels under the operating mode that delivery temperature is relatively low, then cannot expire
The requirement that foot post processing normally works, now, controls device such as car running computer (ECU) and will control air inlet restriction by instruction
Valve 1 cuts out certain angle, reduces charge flow rate, increases delivery temperature, thus realize after-treatment system can be in higher conversion
Work under efficiency, reduce exhaust emission, reduce the secondary pollution caused because of post processing conversion efficiency ground simultaneously.Native system leads to
Cross and electromotor 2 gas extraction system is carried out full working scope heat management, adjust post-processing temperature the most flexibly, make post processing in efficient district
Territory works, and i.e. realizes post processing transformation efficiency optimization, makes the emission level of electromotor 2 meet state (Europe) five, state (Europe) six, and
Car load vehicle-mounted discharge laws and regulations requirement.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing, but, this utility model does not limit
Detail in above-mentioned embodiment, in technology concept of the present utility model, can be to skill of the present utility model
Art scheme carries out multiple simple variant, and these simple variant belong to protection domain of the present utility model.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance
In the case of shield, can be combined by any suitable means.In order to avoid unnecessary repetition, this utility model is to respectively
Plant possible compound mode to illustrate the most separately.
Additionally, combination in any can also be carried out, as long as it is not disobeyed between various different embodiment of the present utility model
Carrying on the back thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (8)
1. the system of an auxiliary diesel vehicle-mounted method discharge, it is characterised in that including:
Intake-air throttle valve, is arranged on engine intake side；
Detection device, in order to detect the delivery temperature of described electromotor；And
Control device, in order to gather the delivery temperature of described electromotor, in the case of this delivery temperature is less than preset value, reduce
The aperture of described intake-air throttle valve, so that delivery temperature raises.
The system of auxiliary diesel the most according to claim 1 vehicle-mounted method discharge, it is characterised in that described detection device is also
It is arranged to detect intake air temperature and the admission pressure of described electromotor.
The system of auxiliary diesel the most according to claim 1 and 2 vehicle-mounted method discharge, it is characterised in that described detection fills
Putting the exhaust gas temperature sensor including detecting the delivery temperature of described electromotor, it is arranged on described waste pipe
On.
The system of auxiliary diesel the most according to claim 3 vehicle-mounted method discharge, it is characterised in that described detection device is also
Including intake air temperature sensor and the air inlet pressure sensor of intake air temperature and admission pressure in order to detect described electromotor, its
It is arranged in the air inlet of described electromotor.
The system of auxiliary diesel the most according to claim 1 and 2 vehicle-mounted method discharge, it is characterised in that described air inlet saves
Stream valve is arranged in the inlet manifold of described electromotor or before inlet manifold.
The system of auxiliary diesel the most according to claim 5 vehicle-mounted method discharge, it is characterised in that described intake-air throttle valve
Including:
Valve body, has the passage by gas；
Valve block, is installed in rotation in the passage of described valve body, in order to control the gas flow by described valve body；And
Steering structure, including direct current generator, valve block rotating shaft and gear train, described direct current generator and described valve block rotating shaft by described
Gear train connects, and the output shaft of described direct current generator installs driving gear, and described valve block rotating shaft is installed driven gear；
Described direct current generator is driven by described control device.
The system of auxiliary diesel the most according to claim 6 vehicle-mounted method discharge, it is characterised in that also include detection knot
Structure, in order to detect the aperture of described intake-air throttle valve.
The system of auxiliary diesel the most according to claim 7 vehicle-mounted method discharge, it is characterised in that described detection structure is
Being arranged on the angular transducer of described valve block rotating shaft one end, described angular transducer is in order to gather the angle of rotation of described valve block rotating shaft
Degree, and it is sent to described control device, described control device is in order to determine described air inlet according to the described rotational angle received
The aperture of choke valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620700618.3U CN205744162U (en) | 2016-07-05 | 2016-07-05 | A kind of system of auxiliary diesel vehicle-mounted method discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620700618.3U CN205744162U (en) | 2016-07-05 | 2016-07-05 | A kind of system of auxiliary diesel vehicle-mounted method discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205744162U true CN205744162U (en) | 2016-11-30 |
Family
ID=57380836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620700618.3U Active CN205744162U (en) | 2016-07-05 | 2016-07-05 | A kind of system of auxiliary diesel vehicle-mounted method discharge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205744162U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180078A (en) * | 2017-12-26 | 2018-06-19 | 浙江亿日气动科技有限公司 | Exhaust-control valve |
| CN113062810A (en) * | 2021-05-06 | 2021-07-02 | 安徽全柴动力股份有限公司 | Method for controlling pollutants of small-displacement diesel engine |
| CN113294227A (en) * | 2021-07-01 | 2021-08-24 | 南昌智能新能源汽车研究院 | Device for improving SDPF low-temperature starting performance and control method thereof |
-
2016
- 2016-07-05 CN CN201620700618.3U patent/CN205744162U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180078A (en) * | 2017-12-26 | 2018-06-19 | 浙江亿日气动科技有限公司 | Exhaust-control valve |
| CN108180078B (en) * | 2017-12-26 | 2020-07-28 | 浙江亿日气动科技有限公司 | Discharge control valve |
| CN113062810A (en) * | 2021-05-06 | 2021-07-02 | 安徽全柴动力股份有限公司 | Method for controlling pollutants of small-displacement diesel engine |
| CN113294227A (en) * | 2021-07-01 | 2021-08-24 | 南昌智能新能源汽车研究院 | Device for improving SDPF low-temperature starting performance and control method thereof |
| CN113294227B (en) * | 2021-07-01 | 2022-08-19 | 南昌智能新能源汽车研究院 | Device for improving SDPF low-temperature starting performance and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102032027B (en) | System and method for particulate filter regeneration in engine exhaust system | |
| CN102032031B (en) | Controlling operation of exhaust of an engine including a particulate filter | |
| CN103982279B (en) | The method of internal combustion engine and the operation type internal combustion engine with the selective catalysis converter for reducing nitrogen oxides | |
| CN101680366B (en) | Internal combustion engine exhaust gas control system and control method of internal combustion engine exhaust gas control system | |
| CN103732902B (en) | Fixed ratio egr system | |
| CN102032028B (en) | Control method of exhaust flow in an engine including a particulate filter | |
| RU151041U1 (en) | ENGINE SYSTEM | |
| CN104975957A (en) | Method and system for engine control | |
| CN103993937A (en) | Internal combustion engine with exhaust-gas aftertreatment arrangement and intake air arrangement and method for operating an internal combustion engine of said type | |
| CN205744162U (en) | A kind of system of auxiliary diesel vehicle-mounted method discharge | |
| CN204082275U (en) | A kind of diesel engine variable exhaust processing system | |
| CN102840045A (en) | Engine starting method | |
| CN101184914A (en) | Control apparatus for vehicle, and vehicle incorporating the same | |
| CN103541791A (en) | Ammonia storage control | |
| CN101713346A (en) | Thermal-protection based engine performance enhancement | |
| CN107939532B (en) | A kind of control method and system of the vehicle-mounted method discharge of auxiliary diesel | |
| CN206889116U (en) | The control system and diesel engine system of diesel engine nitrogen oxide emission | |
| CN105927325A (en) | DPF regeneration control system of heavy type vehicle | |
| CN111379630A (en) | Engine exhaust temperature control system and method | |
| CN103670683A (en) | Method and system for improving stopping and starting of a turbocharged engine | |
| CN102852624A (en) | Method for operating an internal combustion engine with charge-air cooler | |
| CN103382885A (en) | Large-scale engine SCR denitration method and system | |
| CN106930868A (en) | Vehicle-mounted diesel engine waste gas recycling system cold end EGR valve protection system and its guard method | |
| KR20160097253A (en) | Exhaust line for an internal combustion engine and internal combustion engine comprising such an exhaust line | |
| CN101915154A (en) | Diesel engine combustion oil gas intelligent control proportioning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |