CN206845326U - Control device for vehicle tai-gas clean-up - Google Patents
Control device for vehicle tai-gas clean-up Download PDFInfo
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- CN206845326U CN206845326U CN201720751250.8U CN201720751250U CN206845326U CN 206845326 U CN206845326 U CN 206845326U CN 201720751250 U CN201720751250 U CN 201720751250U CN 206845326 U CN206845326 U CN 206845326U
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- suction pipe
- block
- blast pipe
- vehicle
- control device
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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
- Y02T10/40—Engine management systems
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- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses a kind of control device for vehicle tai-gas clean-up, including central electronic control unit ECU (1), the speed probe (3) for measuring speed of crankshaft on engine (2), the vehicle speed sensor (4) for measuring rotating speed on automobile tire, the cooling-water temperature sensor (6) for measuring engine (2) upper water box (5) temperature, pressure/flow sensor (14) and engines exhaust gas recirculation EGR electric-control systems for measuring pressure/flow value on engine (2).There is provided a kind of can more accurately reduce NOx, HC and CO discharge in tail gas and further expand the control device for vehicle tai-gas clean-up of the control device scope of application for vehicle tai-gas clean-up.
Description
Technical field
The utility model belongs to motor vehicle exhaust emission purification techniques field, is related to a kind of control for vehicle tai-gas clean-up
Device.
Background technology
Currently, motor vehicle exhaust emission problem has been the developed country such as one of source of atmosphere pollution, America and Europe for tail gas
Discharge index is more and more stricter.Before, vehicle is usually that ternary catalyzing unit is installed on blast duct for vehicle to reduce vehicle
The discharge of pernicious gas, but ternary catalyzing unit has deficiency easy to aging, that conversion efficiency is low.In the prior art, have by useless
Gas method for recycling reduces noxious gas emission, such as：Utility model patent disclosed in State Intellectual Property Office：It is a kind of
Automobile tail gas purification compound electronic control apparatus, 2011100531134, spray Electronic Control subsystem and hair especially by air
Motivation waste gas recycles the automatically controlled subsystems of EGR to reduce NOx discharge, but two electronic control units in the technical scheme
Input be only engine rotational speed signal and throttle position signal, i.e. the input connection hair of the first electronic control unit
Motivation tach signal connects engine rotational speed signal and solar term with the input of throttle position signal, the second electronic control unit
Door position signal, the data that so two electronic control units are collected are limited, it is impossible to truly reflect engine
Working condition；So as to cause the control that two electronic control unit output ends work two high-frequency electromagnetic valves, and then can not
It is effectively reduced NOx emission；In addition, for current most engine exhaust-gas recirculating system, tail often can only be all reduced
NOx emission in gas, and can not veritably reduce the discharge of HC and CO in tail gas；Further, tail gas clean-up control of the prior art
Device processed is configured the running parameter of electronic control unit both for a vehicle, i.e., a set of tail gas clean-up control device is only
A vehicle is can be suitably used for, this just greatly limit the promotion and popularization of tail gas clean-up control device.
Utility model content
The technical problems to be solved in the utility model is to overcome existing technological deficiency, there is provided one kind can be with more efficient
Ground reduces NOx, HC and CO discharge in tail gas and further expands the control device scope of application for vehicle tai-gas clean-up
Control device for vehicle tai-gas clean-up.
Technical solution of the present utility model is to provide a kind of control for vehicle tai-gas clean-up with following structure
Device processed：It include central electronic control unit ECU, for measuring the speed probe of speed of crankshaft on engine, for surveying
Measure the vehicle speed sensor of rotating speed on automobile tire, the cooling-water temperature sensor for measuring engine upper water box temperature, sent out for measuring
The pressure/flow sensor of pressure/flow value and engines exhaust gas recirculation EGR electric-control systems in motivation；Speed probe with
ECU inputs are connected by signal, and vehicle speed sensor is connected with ECU inputs by signal, cooling-water temperature sensor and ECU inputs
Connected by signal, pressure/flow sensor is connected with ECU inputs by signal, the automatically controlled systems of engines exhaust gas recirculation EGR
System includes being used to connect the bypass line of blast pipe and air inlet pipe in engine on engine, and high-frequency electromagnetic is provided with bypass line
Valve, the control terminal of high-frequency electromagnetic valve are connected with ECU output end signals；ECU output ends pass through letter with the master control system on vehicle
Number connection；Blast pipe is provided with ternary catalyzing unit, and ternary catalyzing unit is between engine and bypass line；ECU output ends are set
There is the communication interface for setting up ECU running parameters；Bypass line is connected with blast pipe by air extractor.
As it is of the present utility model it is a kind of preferably bypass line is provided with cleaner, cleaner be located at high-frequency electromagnetic valve and
Between blast pipe.
As one kind of the present utility model preferably, described air extractor includes suction pipe and block, and suction pipe passes through blast pipe
Side wall is inserted into inside blast pipe, and block is socketed in suction pipe upper end, and suction pipe is provided with the air inlet runner for exhaust gas flow, in block
Provided with the external screw thread for being connected with bypass line, block is provided with the first flow for being used for connecting with air inlet runner；In suction pipe
Guide pad is slidably connected on wall, montant is slidably connected on guide pad, montant lower end is connected with first by the first pin joint
Connecting rod and second connecting rod, first connecting rod, second connecting rod are rotatably connected to the first pendulum by the second pin joint, the 3rd pin joint respectively
Bar, the second swing rod, the first swing rod and the second swing rod are rotatably connected on suction pipe side by the 4th pin joint and the 5th pin joint respectively
On wall, sidewall of suction pipe is provided with the side opening for being used for housing the first swing rod and the second swing rod, and block is provided with heavy platform, heavy platform lower surface
Push against or disengage with montant upper end；Block lower end is provided with radial convex loop, and blast pipe is provided with the first sealing ring with suction pipe intersection, inhales
Stage clip is socketed with one end outside blast pipe on pipe, stage clip one end pushes against with radial convex loop lower surface, and the other end is close with first
Seal pushes against；Axial bulge loop is provided with towards blast pipe axis one end on radial convex loop, axial bulge loop opening profile is and exhaust
The arc line shaped of pipe outer wall fitting, it is provided between block and suction pipe outer wall and is used to fill the locking of block and suction pipe locking or disengagement
Put.
As it is of the present utility model it is a kind of preferably described locking device refers to, suction pipe outer wall is provided with blind hole, block with
The corresponding position of blind hole is provided with breach on suction pipe, and pin is provided between block and suction pipe, and pin passes through breach and blind hole grafting
Or disengage.
As one kind of the present utility model preferably, described guide pad is inverted circular cone structure, and guide pad outer wall is slided
Dynamic to be connected on air inlet runner, guide pad is provided with the through hole slided for montant, and guide pad be provided with for exhaust gas flow the
Two runners.
As one kind of the present utility model preferably, described first flow is arranged on heavy platform.
As one kind of the present utility model preferably, blast pipe is provided with the mounting hole for suction pipe insertion, and the exhaust of suction pipe edge
Pipe diameter direction is inserted into blast pipe；Montant is set along tubing length direction, and montant overlaps with suction pipe axis.
As one kind of the present utility model preferably, described suction pipe is provided with air inlet, air inlet end face and suction pipe axis
Parallel, blast pipe axis is vertical with air inlet end face, and air inlet is arranged on suction pipe positioned at one end inside blast pipe, and air inlet
Set towards the direction of tail gas discharge；Side opening has two, and two side openings are symmetrically distributed in montant both sides, flat residing for two gaging holes
Face is parallel with air inlet end face.
As one kind of the present utility model preferably, the second sealing is provided with suction pipe upper end open between block lower surface
Circle.
After above structure, a kind of control device for vehicle tai-gas clean-up of the utility model and prior art phase
Than the utility model is docked by external computer with communication interface, and then sets up ECU running parameter；It is that is, same
Control device for vehicle tai-gas clean-up can apply to the exhaust emissions situation of different automobile types, it is only necessary to set up in ECU
The range of speeds, vehicle speed range and water temperature range, and then expand the scope of application of the control device for vehicle tai-gas clean-up；
In addition, by collecting engine speed, vehicle speed of operation, engine pressure/flow and engine water temperature situation, can be more
Comprehensively analyze engine behavior, so as to more precisely control high-frequency electromagnetic valve work, and then can more added with
Effect ground reduces NOx emission；Secondly, air-fuel is converted into ECU by measuring the pressure/flow on engine, and by the numerical value
Than correction value, the master control system for then feeding back to the air-fuel ratio correction value on vehicle, master control system on vehicle can be according to
The distributive value of engine, which is regulated and controled, according to the air-fuel ratio correction value reduces HC and CO discharge with abundant burns gasoline；Further,
Need bypass line being connected in blast pipe during bypass line is evacuated from blast pipe, inserted especially by by suction pipe
Suction pipe upper end is anchored to inside blast pipe, then by block, is moved down by withholding block with block, it is downward in block
In moving process montant can be promoted to be moved along tubing length direction and strut first connecting rod and second connecting rod, to cause the first company
Bar and second connecting rod are in splayed structure, and the first swing rod and can be also promoted during first connecting rod and second connecting rod strut
Two swing rods rotate rotating around the 4th pin joint, the 5th pin joint, until the first swing rod, the second swing rod free end bear against and arranged
Untill inner surface of trachea, at the same time, the arc line shaped profile of axial bulge loop is just resisted against on exhaust tube wall in block, finally will
Pin passes through the blind hole clamping on the breach and suction pipe of block to prevent block to be moved relative to suction pipe, so as to complete suction pipe
Installation to blast pipe, the installation form need not be welded, be threadedly coupled, and whole assembling process is convenient and swift.In summary, originally
Utility model offer is a kind of can more efficiently to be reduced NOx, HC and CO discharge in tail gas and further expand for vehicle
The control device for vehicle tai-gas clean-up of the control device scope of application of tail gas clean-up.
Brief description of the drawings
Fig. 1 is the module map for the control device that the utility model is used for vehicle tai-gas clean-up.
Fig. 2 is the fundamental diagram for the control device that the utility model is used for vehicle tai-gas clean-up.
Fig. 3 is state diagram when the utility model is used for air extractor locking in the control device of vehicle tai-gas clean-up.
Fig. 4 is state diagram when the utility model is used for air extractor opening in the control device of vehicle tai-gas clean-up.
Fig. 5 is the structural representation of block in the utility model air extractor.
Fig. 6 is the structural representation of another angle of block in the utility model air extractor.
Fig. 7 is the structural representation of guide pad in the utility model air extractor.
Fig. 8 is the structural representation of another angle of guide pad in the utility model air extractor.
Fig. 9 is the structural representation of suction pipe in the utility model air extractor.
Figure 10 is the structural representation of another angle of suction pipe in the utility model air extractor.
Figure 11 is the structural representation of the another angle of suction pipe in the utility model air extractor.
Shown in figure：1st, central electronic control unit ECU, 2, engine, 3, speed probe, 4, vehicle speed sensor, 5,
Water tank, 6, cooling-water temperature sensor, 7, blast pipe, 8, air inlet pipe, 9, bypass line, 10, high-frequency electromagnetic valve, 11, ternary catalyzing unit,
12nd, communication interface, 13, cleaner, 14, pressure/flow sensor, 15, suction pipe, 16, block, 17, air inlet runner, 18, outer spiral shell
Line, 19, guide pad, 20, first flow, 21, montant, the 22, first pin joint, the 23, second pin joint, the 24, the 3rd pin joint,
25th, the 4th pin joint, the 26, the 5th pin joint, 27, first connecting rod, 28, second connecting rod, the 29, first swing rod, the 30, second swing rod,
31st, platform is sunk, 32, radial convex loop, the 33, first sealing ring, 34, axial bulge loop, 35, arc line shaped, 36, side opening, 37, stage clip, 38, blind
Hole, 39, pin, 40, breach, 41, through hole, 42, second flow channel, 43, air inlet, the 44, second sealing ring.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As illustrated, it includes central electronic control unit (ECU) 1, the rotating speed for measuring speed of crankshaft on engine 2
Sensor 3, the vehicle speed sensor 4 for measuring rotating speed on automobile tire, the water temperature for measuring the temperature of 2 upper water box of engine 5
Sensor 6, the pressure/flow sensor 14 for measuring pressure/flow on engine 2 and engines exhaust gas recirculation EGR electricity
Control system；Speed probe 3 is connected with (ECU) 1 input by signal, and vehicle speed sensor 4 passes through letter with (ECU) 1 input
Number connection, cooling-water temperature sensor 6 is connected with (ECU) 1 input by signal, pressure/flow sensor 14 and (ECU) 1 input
Connected by signal, engines exhaust gas recirculation EGR electric-control systems include being used to connect blast pipe 7 and engine 2 on engine 2
The bypass line 9 of enterprising tracheae 8, bypass line 9 is interior to be provided with high-frequency electromagnetic valve 10, the control terminal of high-frequency electromagnetic valve 10 and (ECU) 1
Output end signal connects；(ECU) 1 output end is connected with the master control system on vehicle by signal, the main control on the vehicle
System is the system that the work to all parts on vehicle is controlled, and a master control system is equipped with each car,
Master control system on the vehicle can be controlled to the distributive value of engine, the air inflow of engine, so that it is guaranteed that starting
Machine be in most efficiently in the state of work；Blast pipe 7 is provided with ternary catalyzing unit 11, ternary catalyzing unit 11 be located at engine 2 with
Between bypass line 9；(ECU) 1 output end is provided with the communication interface 12 for being used for setting up (ECU) 1 running parameter；Bypass line 9 with
Blast pipe 7 is connected by air extractor.Described central electronic control unit (ECU) 1 is the level controllers of ARM 32, the controller
With small volume, low, the high performance feature of power consumption.
Bypass line 9 is provided with cleaner 13, and cleaner 13 is between high-frequency electromagnetic valve 10 and blast pipe 7.
Described air extractor includes suction pipe 15 and block 16, and suction pipe 15 is inserted into blast pipe 7 through the side wall of blast pipe 7
Portion, block 16 are socketed in the upper end of suction pipe 15, and suction pipe 15 is provided with the air inlet runner 17 for exhaust gas flow, and block 16, which is provided with, to be used for
The external screw thread 18 being connected with bypass line 9, block 16 are provided with the first flow 20 for being used for connecting with air inlet runner 17；Suction pipe 15
Guide pad 19 is slidably connected on inwall, montant 21 is slidably connected on guide pad 19, the lower end of montant 21 passes through the first pin joint
22 are connected with first connecting rod 27 and second connecting rod 28, i.e. first connecting rod 27 and second connecting rod 28 is hinged on the first pin joint 22 simultaneously
On；First connecting rod 27, second connecting rod 28 are rotatably connected to the first swing rod by the second pin joint 23, the 3rd pin joint 24 respectively
29th, the second swing rod 30, the first swing rod 29 and the second swing rod 30 are rotated by the 4th pin joint 25 and the 5th pin joint 26 respectively to be connected
It is connected in the side wall of suction pipe 15, the side wall of suction pipe 15 is provided with the side opening 36 for being used for housing the first swing rod 29 and the second swing rod 30, block
16 are provided with heavy platform 31, and the heavy lower surface of platform 31 pushes against or disengaged with the upper end of montant 21；The lower end of block 16 is provided with radial convex loop 32, row
Tracheae 7 and the intersection of suction pipe 15 are provided with the first sealing ring 33, and stage clip 37 is socketed with the outside one end of blast pipe 7 on suction pipe 15,
The one end of stage clip 37 pushes against with the lower surface of radial convex loop 32, and the other end pushes against with the first sealing ring 33；Towards row on radial convex loop 32
The axis one end of tracheae 7 is provided with axial bulge loop 34, and the axial opening profile of bulge loop 34 is the arc line shaped being bonded with the outer wall of blast pipe 7
35, the locking device being used for block 16 and the locking of suction pipe 15 or disengagement is provided between block 16 and the outer wall of suction pipe 15.Wherein, cover
The arc line shaped 35 of the axial lower end of bulge loop 34 is bonded to function well as with the outer wall of blast pipe 7 on cap 16 prevents block 16 from occurring certainly
Turn；Specifically, once suction pipe 15 is locked on blast pipe 7 by locking device, then suction pipe 15 can not just move up；Connect
, block 16 is wanted if being rotated relative to the axis of suction pipe 15, then the profile of arc line shaped 35 of the lower end of block 16 will the row of releasing
The outer wall profile of the circular arc of tracheae 7, must can just realize the arc line shaped 35 of the lower end of block 16 can disengage with the outer wall of blast pipe 7,
This like being that the intersecting intersection principle of two cylinders is the same, and block 16 because the locking of locking device and can not
Moved up relative to suction pipe 15, then block 16 also can not just move up, and can not also be rotated around the axis of suction pipe 15；And because
Block 16 is connected as a single entity with suction pipe 15 by locking device, and then suction pipe 15 can not also rotate around own axes, here it is
Suction pipe 15 be once assembled on blast pipe 7 after can realize be relatively fixed, will not deflect.
Described locking device refers to that the outer wall of suction pipe 15 is provided with blind hole 38, and block 16 is relative with blind hole 38 on suction pipe 15
The position answered is provided with breach 40, and pin 39 is provided between block 16 and suction pipe 15, and pin 39 passes through breach 40 and the grafting of blind hole 38
Or disengage.Here pin 39 can also be replaced with screw, it is only necessary to internal thread is opened up in blind hole 38, can by screw
To improve the stability that block 16 is connected with suction pipe 15.
Described guide pad 19 is inverted circular cone structure, and the outer wall of guide pad 19 is slidably connected on air inlet runner 17,
Guide pad 19 is provided with the through hole 41 slided for montant 21, and guide pad 19 is provided with the second flow channel 42 for exhaust gas flow.It is logical
Crossing setting for guide pad 19 can be so that montant 21 remains vertical state, that is, it is along suction pipe 15 all the time to keep montant 21
Axis direction slides, that is to say, that guide pad 19 plays a part of a support to montant 21 all the time.
Described first flow 20 is arranged on heavy platform 31.
Blast pipe 7 is provided with the mounting hole inserted for suction pipe 15, and suction pipe 15 is inserted into exhaust along the diametric(al) of blast pipe 7
In pipe 7；Montant 21 is set along the length direction of suction pipe 15, and montant 21 overlaps with the axis of suction pipe 15.
Described suction pipe 15 is provided with air inlet 43, the end face of air inlet 43 and the diameter parallel of suction pipe 15, the axis of blast pipe 7 with
The end face of air inlet 43 is vertical, and air inlet 43, which is arranged on suction pipe 15, is located at the inside one end of blast pipe 7, and air inlet 43 is towards tail gas
The direction of discharge is set, and so, tail gas enters directly into the air inlet 43 on suction pipe 15 after the discharge of blast pipe 7, by
It is air tight in the enterprising opposite side of gas port 43 of suction pipe 15, as shown in Figure 9, then tail gas can is upward directed along air inlet runner 17
Flowing；Side opening 36 has two, and two side openings 36 are symmetrically distributed in the both sides of montant 21, plane and air inlet residing for two side openings 36
43 end faces are parallel.
The second sealing ring 44 is provided with the upper end open of suction pipe 15 between the lower surface of block 16.
Need bypass line 9 being connected in blast pipe 7 during bypass line 9 is evacuated from blast pipe 7, it is specific logical
Cross and suction pipe 15 is inserted into inside blast pipe 7, then block 16 is anchored to the upper end of suction pipe 15, by withholding block 16 to cover
Cap 16 moves down, and the inwall of block 16 glides close to the upper end of suction pipe 15, and block 16 can press against the second sealing ring 44 and suction pipe
15 upper ports are adjacent to, and then prevent tail gas from being revealed from the upper port of suction pipe 15 and the inwall of block 16；And bypass line 9 can by with
External screw thread 18 in block 16 is connected to realize the purpose of transmission tail gas；
During block 16 moves down, the lower surface of heavy platform 31 in block 16 can promote montant 21 to be grown along suction pipe 15
Direction movement is spent, as shown in figure 4, montant 21 can be moved down to cause first connecting rod 27 and second connecting rod 28 simultaneously around the first hinge
Contact 22 rotates, so as to and strut first connecting rod 27 and second connecting rod 28 so that first connecting rod 27 and second connecting rod 28 are in eight words
Shape structure；And the first swing rod 29 and the second swing rod 30 can be also promoted to distinguish during first connecting rod 27 and second connecting rod 28 strut
Rotated around the 4th pin joint, the 5th pin joint, until the first swing rod 29, the free end of the second swing rod 30 are born against in blast pipe 7
Untill inwall, that is, reach Fig. 3 state；At the same time, the profile of arc line shaped 35 of axial bulge loop 34 is just resisted against in block 16
On the outer wall of blast pipe 7, finally the clamping of blind hole 38 on the breach and suction pipe 15 of block 16 is passed through to prevent block 16 pin 39
It is moved relative to suction pipe 15, so as to complete installation of the suction pipe 15 to blast pipe 7；Because the exhaust pipe on vehicle is general
Wall thickness is relatively thin, then by the way that usually suction pipe is welded or is threaded on blast pipe, will certainly cause suction pipe and exhaust
Pipe intersection stress concentration, easily cause that tail gas leakage problem occurs for the installation bore deformation of suction pipe insertion on blast pipe, and
By assembly method of the present utility model, conveniently suction pipe 15 can be installed on blast pipe first, it is not necessary to weld,
Threaded connection, and the connection after installation is also more solid and reliable；It is specifically as follows, once pin 39 completes pair
Block 16 and the locking of suction pipe 15, when suction pipe 15 is in Fig. 3 states with block 16, i.e. block 16 will not be sent out relative to suction pipe 15
Life is relative to movement, then montant 21 can not just move up realization and reset, and just must because montant 21 wants online reset
The constraint of the first swing rod 29, the second swing rod 30 to the inwall of blast pipe 7 need be first released, and the first swing rod 29, the second swing rod 30 are
It can not be rotated on the inwall of blast pipe 7 through being resisted against；
Conversely speaking, under Fig. 3 states, the first swing rod 29, the second swing rod 30 are wanted rotating around the 4th pin joint the 25, the 5th
Pin joint 26 rotates, first connecting rod 27, second connecting rod 28 will necessarily be caused to be rotated around the first pin joint 22 with promote montant 21 to
Upper movement, and want montant 21 and can move up just push block 16 and can move relative to suction pipe 15 upwards, still
Pin 39 is by block 16 and the clamping of suction pipe 15 to cause them two will not relatively move, it is possible to by suction pipe 15 with
Block 16 firmly locks together；
Again for a vivid example for, under Fig. 3 states, operating personnel on the other hand grasp blast pipe 7, another hand is grabbed
Block 16 to pull up, because suction pipe 15 and block 16 are connected as a single entity by pin, so what suction pipe 15 was also pulled up by one
Active force；So, by this pulling force effect it is at first the first swing rod 29 and the second swing rod 30 inside suction pipe 15, the first swing rod
29 and the free end of the second swing rod 30 and the inwall of blast pipe 7 push against, so under this pulling force effect, the first swing rod 29 and the second pendulum
Bar 30 has the trend of interior receipts；And the first swing rod 29 and the second swing rod 30 want to realize interior receipts it is necessary to promote first connecting rod
27 and second connecting rod 28 rotate and interior receipts；Further say, if first connecting rod 27 and the interior receipts of second connecting rod 28, will certainly make
Moved up into montant 21, i.e., montant 21 relatively moves relative to suction pipe 15；Furtherly, connect with the upper end of montant 21
Tactile is the lower surface of heavy platform 31 in block 16, and montant 21, which wants to move up, must just head on block 16 and also move up,
That is block 16, suction pipe 15, the relative position of the three of the first pin joint 22 on montant 21 will change, but in Fig. 3
In the state of, the relative position of this three has been fixed, it is impossible to is changed again, so the connection of suction pipe 15 and blast pipe 7 is
Solid and reliable.Wherein, during the slide downward of block 16, the lower surface of radial convex loop 32 in block 16 can compression press spring 37
To cause the first sealing ring 33 to push against the intersection of the outer wall of blast pipe 7 and suction pipe 15 all the time, so as to prevent tail gas from blast pipe more than 7
The intersection of suction pipe 15 leaks, and then improves the sealing of whole device.
Operation principle：First, the component of the device being installed on vehicle, external computer is connected with communication interface 12,
Parameter in ECU is configured, design parameter is as follows, and the rotating speed in ECU, speed and water temperature are set, such as：Will
Rotating speed is arranged on 1500-3000r/min, and speed is arranged on 30-80km/h, and water temperature is arranged on 60 DEG C；
Then, vehicle ignition start, vehicle in the process of moving, when the rotating speed that speed probe 3 measures reaches 2000r/
The water temperature that the speed that min, vehicle speed sensor 4 measure reaches 40km/h, cooling-water temperature sensor 6 measures reaches 60 DEG C, and now ECU is sent
To cause high-frequency electromagnetic valve 10 to work, high-frequency electromagnetic valve 10 can be made signal according to different vehicle speed values, water temperature value and tachometer value
Go out corresponding aperture to control tail gas to enter the quantity of engine 2, the tail gas in blast pipe 7 flows through cleaner 13, high-frequency electromagnetic
Valve 10, air inlet pipe 8 to engine 2, and then burning is participated in, so as to reduce the discharge of NOx in tail gas；In addition, central electronic controls
Unit (ECU) 1 can be converted into air-fuel ratio correction value after receiving the numerical value that pressure/flow sensor 14 measures to the numerical value,
And the master control system for feeding back to the air-fuel ratio correction value after conversion on vehicle, such as：Master control system on vehicle
Receiving air-fuel ratio correction value reduces, then the master control system on vehicle will send signal to improve to engine
The air-fuel ratio correction value causes engine fully to burn, and then ensures the air-fuel ratio sent from central electronic control unit (ECU) 1
(the standard air-fuel ratio of Current vehicle setting is empty to the standard air-fuel ratio numerical value set in master control system in correction value and vehicle
Gas：Gasoline is equal to 14.7:1) it is consistent；And can reduces HC and CO discharge during engine is clean-burning, and then
Playing reduces the discharge of HC and CO in tail gas.
And for the vehicle of different automobile types, it is only necessary to by communication interface 12 come to the rotating speed in ECU, speed and water
Temperature is set, it is possible to while reduce the discharge of NOx, HC and CO in tail gas.
Preferred embodiment of the present utility model is the foregoing is only, is not intended to limit the scope of protection of the utility model.
All any modification, equivalent substitution and improvement within the utility model claims, made etc., it is new to should be included in this practicality
Within the protection domain of type.
Claims (9)
- A kind of 1. control device for vehicle tai-gas clean-up, it is characterised in that：It include central electronic control unit ECU (1), For measuring the speed probe (3) of speed of crankshaft on engine (2), the vehicle speed sensor for measuring rotating speed on automobile tire (4), for measuring the cooling-water temperature sensor (6) of engine (2) upper water box (5) temperature, for measuring pressure/stream on engine (2) The pressure/flow sensor (14) and engines exhaust gas recirculation EGR electric-control systems of amount；Speed probe (3) and ECU (1) are defeated Enter end to connect by signal, vehicle speed sensor (4) is connected with ECU (1) input by signal, cooling-water temperature sensor (6) and ECU (1) input is connected by signal, and pressure/flow sensor (14) is connected with ECU (1) input by signal, and engine gives up Gas recycling EGR electric-control systems include being used for the side for connecting blast pipe (7) and engine (2) enterprising tracheae (8) on engine (2) Siphunculus road (9), bypass line (9) is interior to be provided with high-frequency electromagnetic valve (10), and control terminal and the ECU (1) of high-frequency electromagnetic valve (10) are exported End signal connects；ECU (1) output ends are connected with the master control system on vehicle by signal；Blast pipe (7) is urged provided with ternary Change device (11), ternary catalyzing unit (11) is located between engine (2) and bypass line (9)；ECU (1) output end, which is provided with, to be used to adjust Determine the communication interface (12) of ECU (1) running parameter；Bypass line (9) is connected with blast pipe (7) by air extractor.
- 2. the control device according to claim 1 for vehicle tai-gas clean-up, it is characterised in that：On bypass line (9) Provided with cleaner (13), cleaner (13) is located between high-frequency electromagnetic valve (10) and blast pipe (7).
- 3. the control device according to claim 1 for vehicle tai-gas clean-up, it is characterised in that：Described air extractor Including suction pipe (15) and block (16), suction pipe (15) is inserted into blast pipe (7) inside, block (16) through blast pipe (7) side wall Suction pipe (15) upper end is socketed in, suction pipe (15) is provided with the air inlet runner (17) for exhaust gas flow, and block (16), which is provided with, to be used for The external screw thread (18) being connected with bypass line (9), block (16) are provided with the first flow for being used for connecting with air inlet runner (17) (20)；Guide pad (19) is slidably connected on suction pipe (15) inwall, montant (21), montant are slidably connected on guide pad (19) (21) lower end is connected with first connecting rod (27) and second connecting rod (28), first connecting rod (27), second by the first pin joint (22) Connecting rod (28) is rotatably connected to the first swing rod (29), the second swing rod by the second pin joint (23), the 3rd pin joint (24) respectively (30), the first swing rod (29) and the second swing rod (30) are rotatablely connected by the 4th pin joint (25) and the 5th pin joint (26) respectively In suction pipe (15) side wall, suction pipe (15) side wall is provided with the side opening for being used for housing the first swing rod (29) and the second swing rod (30) (36), block (16) is provided with heavy platform (31), and heavy platform (31) lower surface pushes against or disengaged with montant (21) upper end；Under block (16) End is provided with radial convex loop (32), and blast pipe (7) is provided with the first sealing ring (33) with suction pipe (15) intersection, and suction pipe is on (15) The outside one end of blast pipe (7) is socketed with stage clip (37), and stage clip (37) one end pushes against with radial convex loop (32) lower surface, the other end with First sealing ring (33) pushes against；Axial bulge loop (34) is provided with towards blast pipe (7) axis one end on radial convex loop (32), it is axially convex Ring (34) opening profile is the arc line shaped (35) being bonded with blast pipe (7) outer wall, between block (16) and suction pipe (15) outer wall Provided with for by the locking device of block (16) and suction pipe (15) locking or disengagement.
- 4. the control device according to claim 3 for vehicle tai-gas clean-up, it is characterised in that：Described locking device Refer to, suction pipe (15) outer wall is provided with blind hole (38), and block (16) is provided with the position corresponding with blind hole (38) on suction pipe (15) Breach (40), is provided with pin (39) between block (16) and suction pipe (15), pin (39) is inserted through breach (40) and blind hole (38) Connect or disengage.
- 5. the control device according to claim 3 for vehicle tai-gas clean-up, it is characterised in that：Described guide pad (19) it is inverted circular cone structure, guide pad (19) outer wall is slidably connected on air inlet runner (17), and guide pad is set on (19) There is the through hole (41) slided for montant (21), and guide pad (19) is provided with the second flow channel (42) for exhaust gas flow.
- 6. the control device according to claim 3 for vehicle tai-gas clean-up, it is characterised in that：Described first flow (20) it is arranged on heavy platform (31).
- 7. the control device according to claim 3 for vehicle tai-gas clean-up, it is characterised in that：Blast pipe is set on (7) There is the mounting hole for suction pipe (15) insertion, and suction pipe (15) is inserted into blast pipe (7) along blast pipe (7) diametric(al)；Montant (21) set along suction pipe (15) length direction, and montant (21) overlaps with suction pipe (15) axis.
- 8. the control device according to claim 7 for vehicle tai-gas clean-up, it is characterised in that：Described suction pipe (15) Air inlet (43), air inlet (43) end face and suction pipe (15) diameter parallel are provided with, blast pipe (7) axis is held with air inlet (43) Face is vertical, and air inlet (43) is arranged on suction pipe (15) positioned at the internal one end of blast pipe (7), and air inlet (43) is arranged towards tail gas The direction gone out is set；Side opening (36) has two, and two side openings (36) are symmetrically distributed in montant (21) both sides, two side opening (36) institutes The plane at place is parallel with air inlet (43) end face.
- 9. the control device according to claim 3 for vehicle tai-gas clean-up, it is characterised in that：Open suction pipe (15) upper end The second sealing ring (44) is provided between block (16) lower surface at mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720751250.8U CN206845326U (en) | 2017-06-26 | 2017-06-26 | Control device for vehicle tai-gas clean-up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720751250.8U CN206845326U (en) | 2017-06-26 | 2017-06-26 | Control device for vehicle tai-gas clean-up |
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| Publication Number | Publication Date |
|---|---|
| CN206845326U true CN206845326U (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720751250.8U Expired - Fee Related CN206845326U (en) | 2017-06-26 | 2017-06-26 | Control device for vehicle tai-gas clean-up |
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| Country | Link |
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| CN (1) | CN206845326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061030A (en) * | 2017-06-26 | 2017-08-18 | 雄创（上海）新能源科技有限公司 | Control device for vehicle tai-gas clean-up |
-
2017
- 2017-06-26 CN CN201720751250.8U patent/CN206845326U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061030A (en) * | 2017-06-26 | 2017-08-18 | 雄创（上海）新能源科技有限公司 | Control device for vehicle tai-gas clean-up |
| CN107061030B (en) * | 2017-06-26 | 2024-01-12 | 南京钛洁新材料有限公司 | Control device for purifying vehicle tail gas |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 Termination date: 20200626 |