CN205559112U - Exhaust gas recirculation valve - Google Patents
Exhaust gas recirculation valve Download PDFInfo
- Publication number
- CN205559112U CN205559112U CN201620156117.3U CN201620156117U CN205559112U CN 205559112 U CN205559112 U CN 205559112U CN 201620156117 U CN201620156117 U CN 201620156117U CN 205559112 U CN205559112 U CN 205559112U
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- CN
- China
- Prior art keywords
- exhaust gas
- gas recirculation
- driving coil
- recirculation valve
- load
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- 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.)
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Abstract
The utility model discloses an exhaust gas recirculation valve, include: have the solenoid of drive coil, and set up regulation head in the solenoid, the drive coil is used for the electromagnetic force that changes, adjust the head can linear movement takes place under the effect of electromagnetic force, it has the load to connect in parallel in the drive coil both ends. The utility model discloses an in the mode of exhaust gas recirculation valve's drive coil both ends shunt load, can effectively reduce the drive coil and fall the high voltage that the electricity produced in the twinkling of an eye, and then reduce exhaust gas recirculation valve to its self and the interference of its part on every side, electromagnetic compatibility can shown promotes.
Description
Technical field
This utility model relates to automobile correlative technology field, particularly a kind of exhaust gas recirculation valve.
Background technology
Discharging pollutants of gasoline engine mainly has three kinds: HC, CO and NOx, also has in diesel engine
PM.The condition that nitrogen oxides produces is that high temperature (2500 DEG C) is oxygen-enriched, dilutes oxygen concentration, permissible
Reduce ignition temperature exhaust gas constituents (particularly CO2 and H2O) and have the biggest inertia and the highest ratio
Heat, heats up and needs to absorb more heat；EGR Technology can be effectively reduced nitrogen oxides
Discharge.
By recirculating exhaust gas, reduce with extraneous pressure reduction demand in the cylinder required for inlet end, thus
Reduce the loss of pump machine.When ignition temperature reduces, cylinder and combustion chamber wall surface, the heat energy of piston face
Dissipate and can reduce.In waste gas, polyatomic molecule can increase the specific heat ratio of gaseous mixture, thus increases heat
Efficiency.It is very easy to find by above analysis: just because of the application of exhaust gas recirculation valve so that
To NOx emission control effectively, the fuel economy that simultaneously improve.
By application exhaust gas recirculation valve, NOx emission control problem can be solved, improve simultaneously
Fuel economy.
Conventional exhaust gas recirculation valve is the electromagnetic valve of solenoid type, by duty cycle signals control line
The discharge and recharge of circle, and then realize the on-off control to valve.Drive coil during power down, by
In electromagnetic induction principle, the highest induction electromotive force (about about 500V) can be produced on coil,
This voltage can be on himself and the normal work generation impact of other electronic component of surrounding.
Utility model content
Based on this, it is necessary to for prior art exhaust gas recirculation valve to himself and its part of surrounding
Cause the technical problem of electromagnetic interference, it is provided that a kind of exhaust gas recirculation valve.
This utility model provides a kind of exhaust gas recirculation valve, including: there is the solenoid driving coil,
And the regulation head being arranged in described solenoid, described driving coil is for producing the electromagnetism of change
Power, described regulation head can occur linear movement, described driving line under the effect of described electromagnetic force
Circle two ends are parallel with load.
Further, described load is resistance or fly-wheel diode.
Further, the two ends of described load are respectively by two Metallic cards and described driving line
The electrical connection of circle two ends.
Further, described Metallic card is metal clip, and a described metal clip is by described load
One end clamping of one end and described driving coil, another described metal clip is by another of described load
End clamps with the other end of described driving coil.
Further, the first end of described driving coil is that described driving coil is during power down
The positive pole of the induction electromotive force produced, the second end of described driving coil is that described driving coil is falling
The negative pole of the induction electromotive force produced in electric process, described load is fly-wheel diode, and described continuous
The positive pole of stream diode electrically connects with the first end of described driving coil, bearing of described fly-wheel diode
Pole electrically connects with the second end of described driving coil.
Further, described solenoid central authorities are provided with armature, and described regulation head is arranged on described armature
Lower end, described armature can occur linear movement under the effect of described electromagnetic force.
Further, the upper end of described armature is provided with sensor.
This utility model by exhaust gas recirculation valve drive coil two ends shunt loads by the way of,
Driving coil can be effectively reduced and (be reduced to 150V from 500V at the high voltage that power down moment produces
Within), and then reducing exhaust gas recirculation valve to himself and the interference of its part of surrounding, electromagnetism is held concurrently
Capacitive can be significantly improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of exhaust gas recirculation valve of this utility model；
Fig. 2 is the enlarged drawing driving coil；
Fig. 3 is load and Metallic card connection diagram；
Fig. 4 is resistance and the circuit connection diagram driving coil；
Fig. 5 is fly-wheel diode and the circuit connection diagram driving coil.
Detailed description of the invention
The utility model is described in more detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of a kind of exhaust gas recirculation valve of this utility model, including: have and drive
The solenoid 1 of moving winding 2, and it is arranged on the regulation 3 in described solenoid 1, described driving
Coil 2 is for producing the electromagnetic force of change, and described regulation 3 can be in the effect of described electromagnetic force
Lower generation linear movement, as in figure 2 it is shown, described driving coil 2 two ends are parallel with load 21.
Solenoid 1 is provided with driving coil 2 on pedestal 7, drives coil 2 according to control signal
Produce the magnetic field of change, and drive regulation 3 generation linear movement, thus realize the switch control to valve
System.Due to electromagnetic induction principle, around energization solenoid, there is magnetic field, when the magnetic field driving coil 2
When changing suddenly, can produce induction electromotive force, this electromotive force can stop energization solenoid itself
The change in magnetic field.Therefore when hot-wire coil power down, due in very short time, energization solenoid
It is zero that electric current is undergone mutation, and therefore can produce the highest induction electromotive force i.e. induced voltage.Work as driving
After the load in parallel of coil two ends, being equivalent to drive coil as power supply, its energy is by load
Discharge, and then reduce the high voltage driving coil two ends to produce.And then it is double to improve electromagnetism
Capacitive energy.
Wherein in an embodiment, described load 21 is resistance or fly-wheel diode.
As shown in Figure 4 and Figure 5, employing resistance 211 or fly-wheel diode 212 can be well
The induction electromotive force 213 driving coil 2 is allowed to be released.
Wherein in an embodiment, the two ends of described load 21 are respectively by two Metallic cards 22
Electrically connect with described driving coil two ends.
On the one hand Metallic card plays fixation, on the other hand plays electric action, it is simple to drive line
Enclose by load release electric energy.
As it is shown on figure 3, wherein in an embodiment, described Metallic card 22 is metal clip, one
Individual described metal clip 22 is by one end clamping of one end of described load 21 with described driving coil, separately
Metal clip 22 described in one is by the other end clamping of the other end of described load 21 with described driving coil.
Use metal clip 22 thus the two ends of load 21 clamped with the two ends driving coil respectively,
It is easy to fix.
Wherein in an embodiment, the first end of described driving coil 2 is that described driving coil exists
The positive pole of the induction electromotive force 213 produced during power down, the second end of described driving coil 2 is
The negative pole of the induction electromotive force 213 that described driving coil produces during power down, described load is
Fly-wheel diode 212, and the first end of the positive pole of described fly-wheel diode 212 and described driving coil
Electrical connection, the negative pole of described fly-wheel diode 212 electrically connects with the second end of described driving coil.
As it is shown in figure 5, the positive pole of fly-wheel diode with drive induction electromotive force 213 produced by coil
Positive pole connect, the negative pole of fly-wheel diode and the negative pole driving induction electromotive force produced by coil
Connect, to ensure the smooth flow of electric current consequently facilitating drive coil by fly-wheel diode release electricity
Energy.
Wherein in an embodiment, described solenoid 1 central authorities are provided with armature 4, described regulation 3
Being arranged on described armature 4 lower end, described armature 4 can occur line under the effect of described electromagnetic force
Property motion.
Armature 4 moves along solenoidal axis linearity under the effect of electromagnetic force, thus drives regulation
3 there are linear movements, can also arrange spring 6 around regulation 3 so that regulation head exists
Do not have during electromagnetic force under the elastic force effect of spring 6, to return make position, and having electricity
During magnetic force, under the drive of armature 4, open valve.
Wherein in an embodiment, the upper end of described armature is provided with sensor 5.
Position and the voltage signal of regulation head are fed back to vehicle-mounted electronic control unit by sensor 5,
The electronic control unit of such as electromotor.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more
Concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.Should
When it is noted that for the person of ordinary skill of the art, without departing from this utility model structure
On the premise of think of, it is also possible to make some deformation and improvement, these broadly fall into guarantor of the present utility model
Protect scope.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (7)
1. an exhaust gas recirculation valve, it is characterised in that including: there is the solenoid driving coil,
And the regulation head being arranged in described solenoid, described driving coil is for producing the electromagnetism of change
Power, described regulation head can occur linear movement, described driving line under the effect of described electromagnetic force
Circle two ends are parallel with load.
Exhaust gas recirculation valve the most according to claim 1, it is characterised in that described load is
Resistance or fly-wheel diode.
Exhaust gas recirculation valve the most according to claim 2, it is characterised in that described load
Two ends are electrically connected with described driving coil two ends by two Metallic cards respectively.
Exhaust gas recirculation valve the most according to claim 3, it is characterised in that described metal card
Sheet is metal clip, and a described metal clip is by one end of one end of described load Yu described driving coil
Clamping, another described metal clip is by the other end folder of the other end of described load with described driving coil
Tightly.
Exhaust gas recirculation valve the most according to claim 2, it is characterised in that described driving line
The positive pole that first end is the induction electromotive force that described driving coil produces during power down of circle, institute
The second end stating driving coil is the induction electromotive force that described driving coil produces during power down
Negative pole, described load is fly-wheel diode, and the positive pole of described fly-wheel diode and described driving line
First end electrical connection of circle, the negative pole of described fly-wheel diode is electric with the second end of described driving coil
Connect.
Exhaust gas recirculation valve the most according to claim 1, it is characterised in that described solenoid
Central authorities are provided with armature, and described regulation head is arranged on described armature lower end, and described armature can be described
Linear movement is there is under the effect of electromagnetic force.
Exhaust gas recirculation valve the most according to claim 6, it is characterised in that described armature
Upper end is provided with sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620156117.3U CN205559112U (en) | 2016-03-01 | 2016-03-01 | Exhaust gas recirculation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620156117.3U CN205559112U (en) | 2016-03-01 | 2016-03-01 | Exhaust gas recirculation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205559112U true CN205559112U (en) | 2016-09-07 |
Family
ID=56819283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620156117.3U Active CN205559112U (en) | 2016-03-01 | 2016-03-01 | Exhaust gas recirculation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205559112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061065A (en) * | 2017-04-28 | 2017-08-18 | 吉林大学 | Micro- pressurised exhaust gas circulating valve |
-
2016
- 2016-03-01 CN CN201620156117.3U patent/CN205559112U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061065A (en) * | 2017-04-28 | 2017-08-18 | 吉林大学 | Micro- pressurised exhaust gas circulating valve |
| CN107061065B (en) * | 2017-04-28 | 2018-02-06 | 吉林大学 | Micro- pressurised exhaust gas circulating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |