CN105041532A - Diesel and alcohol dual-fuel integrated injector - Google Patents
Diesel and alcohol dual-fuel integrated injector Download PDFInfo
- Publication number
- CN105041532A CN105041532A CN201510399856.5A CN201510399856A CN105041532A CN 105041532 A CN105041532 A CN 105041532A CN 201510399856 A CN201510399856 A CN 201510399856A CN 105041532 A CN105041532 A CN 105041532A
- Authority
- CN
- China
- Prior art keywords
- fuel
- pressure chamber
- valve
- ejiction opening
- movable body
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 101
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title abstract 8
- 239000002283 diesel fuel Substances 0.000 claims abstract description 39
- 238000002347 injection Methods 0.000 claims abstract description 26
- 239000007924 injection Substances 0.000 claims abstract description 26
- 150000001298 alcohols Chemical class 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 description 5
- 238000012857 repacking Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The embodiment of the invention discloses a diesel and alcohol dual-fuel integrated injector. The integrated injector comprises an injector body, and the injector body is provided with a diesel fuel inlet, an alcohol fuel inlet, a fuel injection opening, a first channel, a second channel, a diesel return opening, a diesel return control valve, a diesel fuel injection control needle valve and an alcohol fuel injection control valve, wherein the diesel fuel injection control needle valve is used for controlling communication or cutoff between a second pressure chamber and the fuel injection opening according to the mutual acting force among the second pressure chamber, a first elastic part and a first pressure chamber, and the alcohol fuel injection control valve is arranged in a second valve cavity and used for controlling communication or cutoff between the second valve cavity and the fuel injection opening. The diesel and alcohol dual-fuel integrated injector is simple in structure and convenient to install, control over diesel fuel injection can be achieved through cooperation of the diesel return control valve and the diesel fuel injection control needle valve, or control over injection of alcohol fuel can be achieved through the alcohol fuel injection control valve, and different kinds of fuel can be switched smoothly.
Description
Technical field:
The present invention relates to a kind of double fuel electrically controlled injector, especially diesel oil, alcohols double fuel integral type sparger.
Background technique:
Along with the concern to vehicle economy and alternative fuel Economy, the feature of environmental protection, automaker and Market for refitting turn to more economically, Cleaning Equipment, to raise the efficiency and energy-conserving and environment-protective, so effective use of alternative fuel or dual-purpose fuel or pluralities of fuel, need the distinct configuration of traditional fuel engine components.
Use for adapting to the used in combination of multi fuel or selecting to switch, the double fuel of repacking or production or the economic environmentally friendly vehicle of multi fuel, generally on former car basis, in intake manifold, repacking has the newly-increased fuel injector be communicated with intake manifold, and former car fuel injector and newly-increased fuel injector are separate Split type structures.There is following defect: the interference 1, easily causing other related accessory of automobile, inconvenience is installed in repacking.2, the newly-increased fuel injector after repacking equally with former car fuel injector cannot reach best spray angle, can cause the increase of oil consumption.3, newly-increased fuel injector easily produces oil film deposition and covers.4, cannot adapt to or mate advanced cylinder Inner direct injection technology.
For overcoming above-mentioned defect, there is a kind of double fuel unit injector on the market, but its complex structure, switch between fuel and have some setbacks.
Summary of the invention:
For overcoming existing dual fuel injector complex structure, between fuel, switching the problem had some setbacks, embodiments providing a kind of diesel oil, alcohols double fuel integral type sparger.
A kind of diesel oil, alcohols double fuel integral type sparger, comprise injector body, this injector body is provided with:
Diesel fuel entrance, for being connected with high-pressure oil pipe;
Aalcohols fuel entrance, for being connected with Aalcohols fuel supply pipeline;
Fuel ejiction opening;
First passage, is communicated with fuel ejiction opening with diesel fuel entrance, be provided with successively from top to bottom in this first passage be interconnected the first valve pocket, the first pressure chamber and the second pressure chamber; Described diesel fuel entrance is communicated with the second pressure chamber with the first pressure chamber; Described second pressure chamber is communicated with fuel ejiction opening;
Second channel, is communicated with fuel ejiction opening with Aalcohols fuel entrance, and the upper position of this second channel is provided with the second valve pocket;
Return opening, is communicated with described first valve pocket;
Oil return control valve, is located in the first valve pocket, for controlling the pressure size be communicated with or ended to regulate the first pressure chamber of the first pressure chamber and return opening;
Diesel fuel spraying fire needle-valve, to be located in first passage and between the first pressure chamber and fuel ejiction opening, its upper end is arranged with the first elastic component, and it is provided with relative to the second pressure chamber little gradually large taper compression zone, for moving up and down to control being communicated with or cut-off of the second pressure chamber and fuel ejiction opening according to the second pressure chamber, interaction force between the first elastic component and the first pressure chamber;
Aalcohols fuel injection control valve, is located at the second valve pocket, for controlling being communicated with or cut-off of the second valve pocket and fuel ejiction opening.
The embodiment of the present invention, its structure is simple, easy for installation, coordinates by oil return control valve and diesel fuel spraying fire needle-valve the spraying fire realizing diesel fuel, or the spraying fire of Aalcohols fuel is realized by Aalcohols fuel injection control valve, can smooth and easyly switch between different fuel; Secondly, it directly can be replaced former car sparger and be installed on former car sparger position, can reach best spray angle, reduces oil consumption; In addition, oil film deposition can not be produced and cover.
Accompanying drawing illustrates:
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structure cut-away view of embodiment of a kind of diesel oil of the present invention, alcohols double fuel integral type sparger.
Embodiment:
In order to make technical problem solved by the invention, technological scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, a kind of diesel oil, alcohols double fuel integral type sparger, comprise injector body, this injector body is provided with:
Diesel fuel entrance 11, for being connected with high-pressure oil pipe;
Aalcohols fuel entrance 12, for being connected with Aalcohols fuel supply pipeline;
Fuel ejiction opening 2;
First passage, is communicated with fuel ejiction opening 2 with diesel fuel entrance 11, is provided with the first valve pocket 30, first pressure chamber 31 and the second pressure chamber 32 be interconnected in this first passage from top to bottom successively; Described diesel fuel entrance 11 is communicated with the second pressure chamber 32 with the first pressure chamber 31; Described second pressure chamber 32 is communicated with fuel ejiction opening 2;
Second channel, is communicated with fuel ejiction opening 2 with Aalcohols fuel entrance 12, and the upper position of this second channel is provided with the second valve pocket 42;
Return opening 13, is communicated with described first valve pocket 30;
Oil return control valve, to be located in the first valve pocket 30, for controlling the pressure size be communicated with or ended to regulate the first pressure chamber 31 of the first pressure chamber 31 and return opening 13;
Diesel fuel spraying fire needle-valve 51, to be located in first passage and between the first pressure chamber 31 and fuel ejiction opening 2, its upper end is arranged with the first elastic component 52, and it is provided with relative to the second pressure chamber 32 little gradually large taper compression zone, for moving up and down to control being communicated with or cut-off of the second pressure chamber 32 and fuel ejiction opening 2 according to the interaction force between the second pressure chamber 32, first elastic component 52 and the first pressure chamber 31;
Aalcohols fuel injection control valve, is located at the second valve pocket 42, for controlling being communicated with or cut-off of the second valve pocket 42 and fuel ejiction opening 2.
The embodiment of the present invention, its structure is simple, easy for installation, coordinates by oil return control valve and diesel fuel spraying fire needle-valve the spraying fire realizing diesel fuel, or the spraying fire of Aalcohols fuel is realized by Aalcohols fuel injection control valve, can smooth and easyly switch between different fuel; Secondly, it directly can be replaced former car sparger and be installed on former car sparger position, can reach best spray angle, reduces oil consumption; In addition, oil film deposition can not be produced and cover; And can adapt to or mate advanced cylinder Inner direct injection technology.
Further, described fuel ejiction opening 2 comprises the first ejiction opening 21 and the second ejiction opening 22, first ejiction opening 21 is communicated with the second pressure chamber 32, and the second ejiction opening 22 is communicated with the second valve pocket 42, first ejiction opening 21 and the second ejiction opening 22 are parallel to each other, and injection direction is identical.Structure is simple, no matter be diesel fuel or Aalcohols fuel, all can reach best spray angle, reduce oil consumption.
Again further, described oil return control valve comprises:
I-shaped coil brace 61, its longitudinal axis center place is provided with downward opening socket guide portion, and its circumferential exterior surface offers annular groove;
First electromagnetic coil 62, is located on the annular groove of I-shaped coil brace 61;
First movable body 63, can to move up and down along socket guide portion in the socket guide portion that its one end is socketed on described I-shaped coil brace 61;
Ball valve 64, is connected with the other end of the first movable body 63 and being interconnected between the first valve pocket and the first pressure chamber is located;
Second elastic component 65, offsets with the first movable body 63 in the socket guide portion being located at described I-shaped coil brace 61;
When described first electromagnetic coil 62 is energized, the active force that the magnetic force that first electromagnetic coil 62 is energized generation drives the first movable body 63 to overcome the second elastic component 65 moves up along socket guide portion, make ball valve 64 follow the first movable body 63 to move from bottom to top and depart from being interconnected between the first valve pocket 30 and the first pressure chamber 31 and locate, now return opening 13 is communicated with the first pressure chamber 31, first pressure chamber 31 is by return opening 13 pressure release, the pressure of the first pressure chamber 31 is reduced, now, the pressure that the pressure of the second pressure chamber 32 promotes the elastic force and the first pressure chamber 31 that diesel fuel spraying fire needle-valve 51 overcomes the first elastic component 52 moves up, second pressure chamber 32 is communicated with the first ejiction opening 21, realize diesel fuel to spray, during described first electromagnetic coil 62 power-off, first movable body 63 moves down along socket guide portion under the reset response power of the second elastic component 65, make ball valve 64 follow the first movable body 63 to move from top to bottom and be tight against being interconnected between the first valve pocket 30 and the first pressure chamber 31 and locate, now return opening 13 ends with the first pressure chamber 31 phase, the pressure of the first pressure chamber 31 is increased gradually until equal with the second pressure chamber 32, now, diesel fuel spraying fire needle-valve 51 moves down and is tight against the first ejiction opening 21 under the active force of the first elastic component 52, second pressure chamber 32 is ended with the first ejiction opening 21 phase, thus stop diesel fuel spraying.Structure is simple, by the control to oil return control valve, indirectly can control the injection of diesel fuel.
Again further, described Aalcohols fuel injection control valve comprises:
Valve seat 71, it is installed in the second valve pocket 42, and this valve seat is in T shape, there is a located lateral portion and a downward opening longitudinal direction is socketed guide portion, wherein, located lateral portion offers the fuel pod apertures running through itself, and fuel pod apertures is positioned at the periphery of longitudinally socket guide portion;
Second movable body 72, its one end is located at and is longitudinally socketed in guide portion;
Second electromagnetic coil 73, is located at the periphery of the second valve pocket 42, and relative with the second movable body 72;
3rd elastic component 74, is located at and is longitudinally socketed in guide portion, and offset with the located lateral portion of the second movable body 72 and valve seat 71 respectively;
Needle-valve 75, is installed in the second valve pocket 42, and between the second movable body 72 and the second ejiction opening 22, it is connected with the other end of the second movable body 72 and can moves up and down;
When described second electromagnetic coil 73 is energized, the active force that the magnetic force that second electromagnetic coil 73 is energized generation drives the second movable body 72 to overcome the 3rd elastic component 74 is longitudinally socketed guide portion and moves up, make needle-valve 75 follow the second movable body 72 to move from bottom to top and the connectivity part departing from the second valve pocket 42 and second channel, now the second valve pocket 42 is communicated with the second ejiction opening 22, realizes the injection of Aalcohols fuel; During described second electromagnetic coil 73 power-off, second movable body 72 is longitudinally socketed guide portion and moves down under the reset response power of the 3rd elastic component 74, make needle-valve 75 follow the second movable body 72 to move from top to bottom and the connectivity part being tight against the second valve pocket 42 and second channel, now the second valve pocket 42 ends with the second ejiction opening 22 phase, thus stops the injection of Aalcohols fuel.Structure is simple, and Absorbable organic halogens controls the injection of Aalcohols fuel.
Particularly, described Aalcohols fuel entrance 12 and fuel ejiction opening 2 periphery offer circular groove respectively, and circular groove is respectively equipped with seal ring.Structure is simple, and connection sealing is good.
Further, described Aalcohols fuel entrance 12 place is provided with filter screen.Structure is simple, can filter Aalcohols fuel.
Be one or more mode of executions provided in conjunction with particular content as mentioned above, do not assert that specific embodiment of the invention is confined to these explanations.Method all and of the present invention, structure etc. are approximate, identical, or for making some technology deduction or replace under concept thereof of the present invention, all should be considered as protection scope of the present invention.
Claims (6)
1. diesel oil, an alcohols double fuel integral type sparger, comprise injector body, it is characterized in that, this injector body is provided with:
Diesel fuel entrance, for being connected with high-pressure oil pipe;
Aalcohols fuel entrance, for being connected with Aalcohols fuel supply pipeline;
Fuel ejiction opening;
First passage, is communicated with fuel ejiction opening with diesel fuel entrance, be provided with successively from top to bottom in this first passage be interconnected the first valve pocket, the first pressure chamber and the second pressure chamber; Described diesel fuel entrance is communicated with the second pressure chamber with the first pressure chamber; Described second pressure chamber is communicated with fuel ejiction opening;
Second channel, is communicated with fuel ejiction opening with Aalcohols fuel entrance, and the upper position of this second channel is provided with the second valve pocket;
Return opening, is communicated with described first valve pocket;
Oil return control valve, is located in the first valve pocket, for controlling the pressure size be communicated with or ended to regulate the first pressure chamber of the first pressure chamber and return opening;
Diesel fuel spraying fire needle-valve, to be located in first passage and between the first pressure chamber and fuel ejiction opening, its upper end is arranged with the first elastic component, and it is provided with relative to the second pressure chamber little gradually large taper compression zone, for moving up and down to control being communicated with or cut-off of the second pressure chamber and fuel ejiction opening according to the second pressure chamber, interaction force between the first elastic component and the first pressure chamber;
Aalcohols fuel injection control valve, is located at the second valve pocket, for controlling being communicated with or cut-off of the second valve pocket and fuel ejiction opening.
2. diesel oil according to claim 1, alcohols double fuel integral type sparger, it is characterized in that, described fuel ejiction opening comprises the first ejiction opening and the second ejiction opening, first ejiction opening is communicated with the second pressure chamber, second ejiction opening is communicated with the second valve pocket, first ejiction opening and the second ejiction opening are parallel to each other, and injection direction is identical.
3. diesel oil according to claim 2, alcohols double fuel integral type sparger, it is characterized in that, described oil return control valve comprises:
I-shaped coil brace, its longitudinal axis center place is provided with downward opening socket guide portion, and its circumferential exterior surface offers annular groove;
First electromagnetic coil, is located on the annular groove of I-shaped coil brace;
First movable body, can to move up and down along socket guide portion in the socket guide portion that its one end is socketed on described I-shaped coil brace;
Ball valve, is connected with the other end of the first movable body and being interconnected between the first valve pocket and the first pressure chamber is located;
Second elastic component, offsets with the first movable body in the socket guide portion being located at described I-shaped coil brace;
During described first electromagnetic coil energising, the active force that the magnetic force that first electromagnetic coil energising produces drives the first movable body to overcome the second elastic component moves up along socket guide portion, make ball valve follow the first movable body to move from bottom to top and depart from being interconnected between the first valve pocket and the first pressure chamber and locate, now return opening is communicated with the first pressure chamber, and the first pressure chamber is by return opening pressure release; During described first electromagnetic coil power-off, first movable body moves down along socket guide portion under the reset response power of the second elastic component, make ball valve follow the first movable body to move from top to bottom and be tight against being interconnected between the first valve pocket and the first pressure chamber and locate, now return opening ends mutually with the first pressure chamber.
4. diesel oil according to claim 2, alcohols double fuel integral type sparger, it is characterized in that, described Aalcohols fuel injection control valve comprises:
Valve seat, it is installed in the second valve pocket, and this valve seat is in T shape, there is a located lateral portion and a downward opening longitudinal direction is socketed guide portion, wherein, located lateral portion offers the fuel pod apertures running through itself, and fuel pod apertures is positioned at the periphery of longitudinally socket guide portion;
Second movable body, its one end is located at and is longitudinally socketed in guide portion;
Second electromagnetic coil, is located at the periphery of the second valve pocket, and relative with the second movable body;
3rd elastic component, is located at and is longitudinally socketed in guide portion, and offset with the located lateral portion of the second movable body and valve seat respectively;
Needle-valve, is installed in the second valve pocket, and between the second movable body and the second ejiction opening, it is connected with the other end of the second movable body and can moves up and down;
During described second electromagnetic coil energising, the active force that the magnetic force that second electromagnetic coil energising produces drives the second movable body to overcome the 3rd elastic component is longitudinally socketed guide portion and moves up, make needle-valve follow the second movable body to move from bottom to top and the connectivity part departing from the second valve pocket and second channel, now the second valve pocket is communicated with the second ejiction opening; During described second electromagnetic coil power-off, second movable body is longitudinally socketed guide portion and moves down under the reset response power of the 3rd elastic component, make needle-valve follow the second movable body to move from top to bottom and the connectivity part being tight against the second valve pocket and second channel, now the second valve pocket ends mutually with the second ejiction opening.
5. the diesel oil according to claim 3 or 4, alcohols double fuel integral type sparger, is characterized in that, described Aalcohols fuel entrance and fuel ejiction opening periphery offer circular groove respectively, and circular groove is respectively equipped with seal ring.
6. the diesel oil according to claim 3 or 4, alcohols double fuel integral type sparger, it is characterized in that, described Aalcohols fuel ingress is provided with filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510399856.5A CN105041532B (en) | 2015-07-09 | 2015-07-09 | Diesel oil, alcohols double fuel integral type injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510399856.5A CN105041532B (en) | 2015-07-09 | 2015-07-09 | Diesel oil, alcohols double fuel integral type injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105041532A true CN105041532A (en) | 2015-11-11 |
| CN105041532B CN105041532B (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510399856.5A Active CN105041532B (en) | 2015-07-09 | 2015-07-09 | Diesel oil, alcohols double fuel integral type injector |
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| Country | Link |
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| CN (1) | CN105041532B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131207A (en) * | 2017-12-22 | 2018-06-08 | 湖南城市学院 | A kind of adjusting method of proportion adjustable alcohol-gasoline double fuel fuel injector |
| CN113833592A (en) * | 2021-09-30 | 2021-12-24 | 潍柴动力股份有限公司 | Injection valve subassembly, engine and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS56159559A (en) * | 1980-05-09 | 1981-12-08 | Nissan Motor Co Ltd | Fuel injection device |
| CN101806265A (en) * | 2009-03-18 | 2010-08-18 | 临海弘征汽车电喷技术有限公司 | Swirling electronic-controlled fuel injector of gasoline engine |
| CN102705120A (en) * | 2012-06-19 | 2012-10-03 | 哈尔滨工程大学 | Dual-fuel electric control monomer ejector |
| US20120325350A1 (en) * | 2011-06-24 | 2012-12-27 | Caterpilla Inc. | Dual fuel injector for a common rail system |
| CN204783397U (en) * | 2015-07-09 | 2015-11-18 | 胡松平 | Diesel oil, alcohols double fuel integral type sprayer |
-
2015
- 2015-07-09 CN CN201510399856.5A patent/CN105041532B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56159559A (en) * | 1980-05-09 | 1981-12-08 | Nissan Motor Co Ltd | Fuel injection device |
| CN101806265A (en) * | 2009-03-18 | 2010-08-18 | 临海弘征汽车电喷技术有限公司 | Swirling electronic-controlled fuel injector of gasoline engine |
| US20120325350A1 (en) * | 2011-06-24 | 2012-12-27 | Caterpilla Inc. | Dual fuel injector for a common rail system |
| CN102705120A (en) * | 2012-06-19 | 2012-10-03 | 哈尔滨工程大学 | Dual-fuel electric control monomer ejector |
| CN204783397U (en) * | 2015-07-09 | 2015-11-18 | 胡松平 | Diesel oil, alcohols double fuel integral type sprayer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131207A (en) * | 2017-12-22 | 2018-06-08 | 湖南城市学院 | A kind of adjusting method of proportion adjustable alcohol-gasoline double fuel fuel injector |
| CN108131207B (en) * | 2017-12-22 | 2020-09-04 | 湖南城市学院 | Adjusting method of proportion-adjustable ethanol-gasoline dual-fuel oil injector |
| CN113833592A (en) * | 2021-09-30 | 2021-12-24 | 潍柴动力股份有限公司 | Injection valve subassembly, engine and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105041532B (en) | 2018-07-27 |
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Effective date of registration: 20230504 Address after: Building 31, No. 1123, Yunmenshan Road, Dongying District, Dongying City, Shandong Province, 257000 Patentee after: Dongying New Plastic Industry and Trade Co.,Ltd. Address before: 273400 intersection of Yanbin road and yanpo Road, Fei County, Linyi City, Shandong Province Patentee before: Mach Technology (Linyi) Co.,Ltd. |
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Denomination of invention: Diesel and alcohol dual fuel integrated injector Granted publication date: 20180727 Pledgee: Bank of China Limited by Share Ltd. Dongying Xicheng sub branch Pledgor: Dongying New Plastic Industry and Trade Co.,Ltd. Registration number: Y2024980001656 |
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