阅读说明：本技术 一种多喷嘴甲醇喷射器总成结构 (Multi-nozzle methanol ejector assembly structure ) 是由 刘松超 张寻 任皓 于 2021-06-15 设计创作，主要内容包括：本发明涉及柴油甲醇双燃料发动机系统技术领域,特别涉及一种多喷嘴甲醇喷射器总成结构。其结构包括喷醇器本体,所述的喷醇器本体上分别设置有进气口和出气口,出气口内侧的喷醇器本体上设置有喷射器总成机构,所述的喷射器总成机构将外部的甲醇气体喷入所述的喷醇器本体内,并保证其喷射方向与所述喷醇器本体内气体流动的方向一致。本发明的一种多喷嘴甲醇喷射器总成结构,其降低生产成本的同时又保证了产品的耐久可靠性和尺寸稳定性。(The invention relates to the technical field of diesel oil and methanol dual-fuel engine systems, in particular to a multi-nozzle methanol injector assembly structure. The structure of the device comprises an alcohol sprayer body, wherein an air inlet and an air outlet are respectively formed in the alcohol sprayer body, an ejector assembly mechanism is arranged on the alcohol sprayer body on the inner side of the air outlet, and the ejector assembly mechanism sprays outside methanol gas into the alcohol sprayer body and ensures that the spraying direction of the methanol gas is consistent with the flowing direction of the gas in the alcohol sprayer body. The multi-nozzle methanol ejector assembly structure reduces production cost and ensures durability, reliability and dimensional stability of products.)

1. The utility model provides a multinozzle methyl alcohol sprayer assembly structure, is including spouting mellow wine ware body, spout mellow wine ware body on be provided with air inlet and gas outlet respectively, its characterized in that, the inboard mellow wine ware body that spouts of gas outlet on be provided with sprayer assembly mechanism, sprayer assembly mechanism spout outside methyl alcohol gas spout mellow wine ware this internal to guarantee that its injection direction is unanimous with the direction of gas flow in spouting mellow wine ware body.

2. The multi-nozzle methanol injector assembly structure of claim 1, wherein the injector assembly mechanism comprises a base which is formed on the methanol injector body in a die-casting mode, a through hole for accommodating a methanol rail oil cup is formed in the base, the methanol rail oil cup is embedded in the through hole, a methanol injection nozzle is connected above the methanol rail oil cup, a methanol rail flange is connected above the base through a bolt, a methanol rail is fixed above the methanol rail flange, and the upper end of the methanol injection nozzle penetrates through the methanol rail flange to be connected with the methanol rail.

3. The multi-nozzle methanol injector assembly structure of claim 1, wherein the outlet is provided with an outlet flange, and the alcohol nozzle of the injector assembly structure is arranged perpendicular to the outlet flange to ensure that the injection direction is consistent with the gas flowing direction in the alcohol injector body.

4. The multi-nozzle methanol injector assembly of claim 1 wherein the alcohol injector body is integrally formed using an aluminum die casting process.

5. The multi-nozzle methanol injector assembly structure of claim 1, wherein the injector assembly structure is electrically connected to an external controller ECU.

6. The multi-nozzle methanol injector assembly of claim 1 wherein the injector assembly is disposed at a right angle turn of the alcohol injector body.

7. The multi-nozzle methanol injector assembly of claim 1 wherein the injector assembly comprises two sets of three-nozzle alcohol nozzles.

Technical Field

The invention relates to the technical field of diesel oil and methanol dual-fuel engine systems, in particular to a multi-nozzle methanol injector assembly structure.

Background

The current contradiction between supply and demand for petroleum is becoming more severe, environmental problems are becoming worse, and these problems are further exacerbated by the increasing automobile holding capacity. The diesel and methanol dual-fuel system can meet the operation of the dual-fuel system only by adding a methanol injection system on an air inlet manifold without changing an engine system.

The commonly used methanol ejector at present mainly adopts a welding process, has the defects of large welding deformation, unstable size and the like during production, and has the failure phenomena of low durability, low vibration resistance and the like frequently occurring in the using process.

Disclosure of Invention

In order to solve the problems of the prior art, the invention provides a multi-nozzle methanol injector assembly structure which reduces the production cost and ensures the endurance reliability and the dimensional stability of the product.

The technical scheme adopted by the invention is as follows:

the utility model provides a multinozzle methyl alcohol sprayer assembly structure, is including spouting mellow wine ware body, spout mellow wine ware body on be provided with air inlet and gas outlet respectively, be provided with sprayer assembly mechanism on the mellow wine ware body of spouting of gas outlet inboard, sprayer assembly mechanism spout outside methyl alcohol gas spout mellow wine ware this internally to guarantee that its injection direction with spout the gaseous mobile direction unanimity in the mellow wine ware body.

The ejector assembly mechanism comprises a base which is formed on the alcohol sprayer body in a die-casting mode, a through hole used for accommodating an alcohol rail oil cup is formed in the base, the alcohol rail oil cup is embedded in the through hole, an alcohol nozzle is connected to the upper portion of the alcohol rail oil cup, an alcohol rail flange is further connected to the upper portion of the base through bolts, an alcohol rail is fixed to the upper portion of the alcohol rail flange, and the upper end of the alcohol nozzle penetrates through the alcohol rail flange to be connected with the alcohol rail.

An air outlet flange is arranged at the air outlet, and an alcohol spraying nozzle of the ejector assembly mechanism is perpendicular to the air outlet flange so as to ensure that the spraying direction of the alcohol spraying nozzle is consistent with the flowing direction of gas in the alcohol spraying device body.

The alcohol sprayer body is integrally formed by adopting an aluminum die-casting forming process.

The injector assembly mechanism is electrically connected to an external controller ECU.

The injector assembly mechanism is arranged at the right-angle corner of the alcohol sprayer body.

The injector assembly mechanism includes two sets of three nozzle alcohol spray nozzles.

The technical scheme provided by the invention has the beneficial effects that:

the alcohol sprayer main body adopts an aluminum die-casting forming process, and machining of the mounting hole is performed after casting is completed, so that the production cost is reduced, the durability, reliability and dimensional stability of a product are ensured, the technical defects that components are frequently cracked, air leaked and unstable in size in the conventional welding process are effectively overcome, and in addition, the main body has the following functions:

1. the device can provide a sufficient and closed methanol cavity to inhibit the pulsation of the oil pressure of an alcohol supply system;

2. ensuring that enough methanol with stable pressure is provided for the alcohol sprayer;

3. fixing the methanol sprayer at an accurate position to ensure that the methanol spraying direction is consistent with the air inlet direction;

4. providing installation positions of other parts (such as wiring harnesses and the like);

5. receiving the command of ECU, and spraying methanol according to the specified requirement.

According to the multi-nozzle methanol injector assembly structure, two groups of 3-nozzle alcohol nozzles are arranged at the right-angle turning part of the alcohol injector body, and the two groups of injection systems effectively solve the problem of alcohol rail pressure fluctuation during injection. The design of base provides accurate mounted position for the nozzle for the direction of the methyl alcohol of injection is unanimous with the flow direction that admits air, guarantees to spray the back abundant atomizing. The 6 alcohol spraying nozzles are installed between the alcohol spraying device body and the alcohol rail flange through bolts, and even and sufficient atomization in distribution after methanol spraying is guaranteed. The design of base and mellow wine rail flange provides the correct methyl alcohol nozzle pencil and connects the direction of inserting, guarantees pencil simple to operate.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a front view of a multi-nozzle methanol injector assembly configuration of the present invention;

FIG. 2 is a structural right side view of a multi-nozzle methanol injector assembly configuration of the present invention;

FIG. 3 is an exploded view of a multi-nozzle methanol injector assembly according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Example one

As shown in fig. 1-3, a multi-nozzle methanol injector assembly structure comprises an alcohol injector body 1, wherein the alcohol injector body 1 is provided with an air inlet 2 and an air outlet 3, respectively, the alcohol injector body 1 on the inner side of the air outlet 3 is provided with an injector assembly mechanism, and the injector assembly mechanism injects external methanol gas into the alcohol injector body 1 and ensures that the injection direction is consistent with the gas flowing direction in the alcohol injector body 1.

The sprayer assembly mechanism of this embodiment includes the die-casting shaping and is in base 4 on the alcohol sprayer body 1, base 4 on be provided with the through-hole 6 that is used for holding alcohol rail oil cup 5, alcohol rail oil cup 5 inlay and be in through-hole 6 in, alcohol rail oil cup 5 top connect and spout mellow wine mouth 7, base 4 top still connect mellow wine rail flange 9 through bolt 8, mellow wine rail flange 9 top be fixed with mellow wine rail 10, the upper end of spouting mellow wine mouth 7 pass mellow wine rail flange 9 connect mellow wine rail 10.

An air outlet flange 31 is arranged at the air outlet 3, and an alcohol spraying nozzle 7 of the ejector assembly mechanism is perpendicular to the air outlet flange 31 so as to ensure that the spraying direction of the alcohol spraying nozzle is consistent with the flowing direction of the gas in the alcohol sprayer body.

The alcohol sprayer body of the embodiment is integrally formed by adopting an aluminum die-casting forming process.

The injector assembly mechanism is electrically connected to an external controller ECU.

The injector assembly mechanism of the present embodiment is disposed at the right angle corner of the alcohol sprayer body 1.

The injector assembly mechanism of the present embodiment includes two sets of three nozzle alcohol injection nozzles 7.

The multi-nozzle methanol injector assembly structure of the embodiment controls the alcohol rail of the injector assembly through the ECU of the external controller, further controls the alcohol nozzle 7 to spray methanol with stable pressure in a specified amount into the cavity of the alcohol sprayer body 1, and ensures that the formaldehyde spraying angle is consistent with the air inlet direction because the installation position of the alcohol nozzle 7 is positioned at the right-angle turning of the alcohol sprayer body 1.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.