CN211144616U - Fuel control device for DPF regeneration - Google Patents
Fuel control device for DPF regeneration Download PDFInfo
- Publication number
- CN211144616U CN211144616U CN201922154450.7U CN201922154450U CN211144616U CN 211144616 U CN211144616 U CN 211144616U CN 201922154450 U CN201922154450 U CN 201922154450U CN 211144616 U CN211144616 U CN 211144616U
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- control base
- oil
- pressure sensor
- valve switch
- metering valve
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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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Abstract
The utility model relates to the technical field of DPF regeneration, and discloses a fuel control device for DPF regeneration, which comprises a control base, the control base is provided with an oil inlet, an oil outlet, a solenoid valve switch, a metering valve, a first pressure sensor and a second pressure sensor, the oil inlet of the control base is used for communicating a fuel supply device, such as an oil pump, the oil outlet of the control base is used for connecting an injection valve to inject fuel into an exhaust pipe of a diesel engine, the oil inlet of the solenoid valve switch is communicated with the oil inlet of the control base, the oil outlet of the solenoid valve switch is communicated with the oil inlet of the metering valve, the oil outlet of the metering valve is communicated with the oil outlet of the control base, the first pressure sensor is arranged on an oil path between the solenoid valve switch and the metering valve, the second pressure sensor is arranged on an oil path behind the metering valve, the joint of the solenoid valve switch, the manufacturing difficulty is low, and the cost can be directly reduced.
Description
Technical Field
The utility model relates to a DPF regeneration technical field, concretely relates to fuel controlling means for DPF regeneration.
Background
In order to meet increasingly stringent emission regulations, current internal combustion engines, particularly diesel internal combustion engines, are required to be equipped with exhaust gas aftertreatment systems, including diesel particulate traps (DPFs). Such traps accumulate soot during engine operation and thus cause an increase in engine exhaust back pressure, with consequent deterioration in the economy and dynamics of diesel internal combustion engines, and therefore must burn off the trapped soot in a timely manner to effect regeneration of the diesel particulate trap. Therefore, atomized diesel oil needs to be injected into the exhaust pipe of the diesel engine at regular time and quantity, atomized diesel oil droplets and exhaust gas in the exhaust pipe are mixed to generate violent oxidation reaction in an oxidation catalyst (DOC), and huge heat generated by the oxidation reaction comes into the DPF along with the exhaust gas to ignite carbon black particles, so that the regeneration of the DPF is realized.
The fuel control device has the function of accurately controlling the oil injection amount, and the fuel control device on the current market is complex in structure and high in manufacturing cost.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of background art, the utility model provides a fuel controlling means for DPF regeneration, the problem of solution is among the prior art, and fuel controlling means structure is comparatively complicated, and manufacturing cost is high.
For solving the technical problem, the utility model provides a following technical scheme:
The fuel control device for DPF regeneration comprises a control base, wherein an oil inlet, an oil outlet, a solenoid valve switch, a metering valve, a first pressure sensor and a second pressure sensor are arranged on the control base, the oil inlet of the control base is used for being communicated with a fuel supply device such as an oil pump, the oil outlet of the control base is used for being connected with an injection valve to inject fuel into an exhaust pipe of a diesel engine, the oil inlet of the solenoid valve switch is communicated with the oil inlet of the control base, the oil outlet of the solenoid valve switch is communicated with the oil inlet of the metering valve, the oil outlet of the metering valve is communicated with the oil outlet of the control base, the first pressure sensor is arranged on an oil path between the solenoid valve switch and the metering valve, the second pressure sensor is arranged on the oil path behind the metering valve, and the joint of the solenoid valve switch, compared with the prior art in which the sealing is realized through crimping or other methods, the manufacturing difficulty is low, and the cost can be directly reduced.
Preferably, the control base is provided with two notches, two opposite side walls in the notches are correspondingly provided with connecting holes, the solenoid valve switch and the metering valve are respectively arranged in one of the notches and are fixedly connected with the control base through inserting the connecting holes, and the connecting holes are communicated with an oil path in the control base or an oil inlet of the control base or an oil outlet of the control base.
Preferably, the connecting hole is provided with a clamp, the clamp is sleeved on the end part of the solenoid valve switch to be connected with the solenoid valve switch and the control base, or the clamp is sleeved on the end part of the solenoid valve switch to be connected with the metering valve and the control base, the connection firmness degree of the solenoid valve switch and the control base and the connection firmness degree of the metering valve and the control base are improved by the clamp, and the reliability of the solenoid valve switch and the control base are guaranteed to be kept under the working environment with large vibration and jolt.
Preferably, the first pressure sensor and the second pressure sensor are fixed above the control base through screws and threads respectively, and the interface of the first pressure sensor and the interface of the second pressure sensor are arranged oppositely, so that the volume of the fuel control device is further reduced.
The utility model has the advantages of compared with the prior art: the fuel control device has the advantages of reasonable and compact structural design, improvement of connection and sealing modes, capability of ensuring working reliability, reduction of manufacturing difficulty, further reduction of cost, simplification of structure, reduction of volume of the fuel control device and reduction of occupied space.
Drawings
The utility model discloses there is following figure:
FIG. 1 is a schematic view of the present invention;
Fig. 2 is a top view of the base of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1 and fig. 2, the fuel control device for DPF regeneration includes a control base 1, the control base 1 is provided with an oil inlet, an oil outlet, a solenoid valve switch 13, a metering valve 14, a first pressure sensor 15 and a second pressure sensor 16, the oil inlet 11 of the control base 1 is used for communicating with a fuel supply device, such as an oil pump, the oil outlet 12 of the control base 1 is used for connecting an injection valve to inject fuel into an exhaust pipe of a diesel engine, the oil inlet 17 of the solenoid valve switch 13 is communicated with the oil inlet 11 of the control base 1, the oil outlet 18 of the solenoid valve switch 13 is communicated with the oil inlet 19 of the metering valve 14, the oil outlet 20 of the metering valve 14 is communicated with the oil outlet 12 of the control base 1, the first pressure sensor 15 is arranged on an oil path between the solenoid valve switch 13 and the metering valve 14, the second pressure sensor 16 is arranged on an oil path, compared with the prior art in which the sealing is realized through crimping or other methods, the manufacturing difficulty is low, and the cost can be directly reduced.
Two notches 2 are arranged on the control base 1, two opposite side walls in the notches 2 are correspondingly provided with connecting holes 21, the electromagnetic valve switch 13 and the metering valve 14 are respectively arranged in one notch 2 and are fixedly connected with the control base 1 by being inserted into the connecting holes 21, the connecting hole 21 at one end of the electromagnetic valve switch 13 is communicated with the oil inlet hole 11 of the control base 1, the connecting hole 21 at the other end of the electromagnetic valve switch 13 is communicated with an oil way arranged in the control base 1, the other end of the oil way is communicated with the connecting hole 21 at one end of the metering valve 14, the connecting hole 21 at the other end of the metering valve 14 is communicated with the oil outlet hole 12 of the control base 1, and the oil way which enters from the oil inlet.
The connecting hole 21 is provided with a clamp 22, the end part of the electromagnetic valve switch 13 sleeved with the clamp 22 is connected with the electromagnetic valve switch 13 and the control base 1, or the end part of the electromagnetic valve switch 13 sleeved with the metering valve 14 is connected with the control base 1, the connection firmness degree of the electromagnetic valve switch 13 and the control base 1 and the connection firmness degree of the metering valve 14 and the control base 1 are improved by the clamp 22, and the reliable maintenance is ensured under the working environment with large vibration and bumpiness.
The first pressure sensor 15 and the second pressure sensor 16 are fixed above the control base 1 through screws and threads respectively, and the interface 24 of the first pressure sensor 15 and the interface 24 of the second pressure sensor 16 are arranged oppositely, so that the volume of the fuel control device is further reduced.
In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. A fuel control device for DPF regeneration, characterized in that: the oil outlet of the electromagnetic valve switch is communicated with the oil inlet of the metering valve, the oil outlet of the metering valve is communicated with the oil outlet of the control base, the first pressure sensor is arranged on an oil path between the electromagnetic valve switch and the metering valve, the second pressure sensor is arranged on an oil path behind the metering valve, and the joint of the electromagnetic valve switch and the control base is sealed through a sealing ring.
2. The fuel control apparatus for DPF regeneration according to claim 1, wherein: the electromagnetic valve switch and the metering valve are respectively arranged in one of the notches and are fixedly connected with the control base through inserting the connecting hole, and the connecting hole is communicated with an oil circuit in the control base or an oil inlet of the control base or an oil outlet of the control base.
3. The fuel control apparatus for DPF regeneration according to claim 2, wherein: the end part of the electromagnetic valve switch is sleeved with the clamp and connected with the electromagnetic valve switch and the control base, or the end part of the electromagnetic valve switch is sleeved with the clamp and connected with the metering valve and the control base.
4. The fuel control apparatus for DPF regeneration according to claim 1, wherein: the first pressure sensor and the second pressure sensor are fixed above the control base through screws respectively, and the interface of the first pressure sensor and the interface of the second pressure sensor are arranged oppositely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922154450.7U CN211144616U (en) | 2019-12-04 | 2019-12-04 | Fuel control device for DPF regeneration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922154450.7U CN211144616U (en) | 2019-12-04 | 2019-12-04 | Fuel control device for DPF regeneration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211144616U true CN211144616U (en) | 2020-07-31 |
Family
ID=71778071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922154450.7U Active CN211144616U (en) | 2019-12-04 | 2019-12-04 | Fuel control device for DPF regeneration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211144616U (en) |
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2019
- 2019-12-04 CN CN201922154450.7U patent/CN211144616U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200818 Address after: 405-1, building D, Xingye building, 97-1 Linghu Avenue, Xinwu District, Wuxi City, Jiangsu Province Patentee after: Wuxi Keka Technology Co., Ltd Address before: No.10, Hewan group, Taochong village, Qingcao Town, Tongcheng City, Anqing City, Anhui Province Patentee before: Wang Liushuai |