CN214304086U - Dynamic compensation control device for electrojet valve - Google Patents
Dynamic compensation control device for electrojet valve Download PDFInfo
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- CN214304086U CN214304086U CN202022953456.3U CN202022953456U CN214304086U CN 214304086 U CN214304086 U CN 214304086U CN 202022953456 U CN202022953456 U CN 202022953456U CN 214304086 U CN214304086 U CN 214304086U
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- 238000002347 injection Methods 0.000 claims abstract description 45
- 239000007924 injection Substances 0.000 claims abstract description 45
- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 109
- 239000002737 fuel gas Substances 0.000 claims description 26
- 239000000446 fuel Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
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Classifications
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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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The utility model discloses an electrojet valve dynamic compensation control device, which comprises a gas pipeline, an air pipeline, a gas compensation pipeline and an air inlet manifold, wherein the air inlet manifold comprises a gas inlet manifold and a mixed gas inlet manifold; the gas pipeline is communicated with a pressure regulating valve, the pressure regulating valve is communicated with a mixer, and the mixer is sequentially communicated with a supercharger, a throttle valve and a mixed gas inlet manifold; the electric injection valve is communicated with the gas compensation pipeline and a gas inlet manifold, and the gas inlet manifold comprises a gas inlet manifold and a mixed gas inlet manifold communicated with the cylinder; the utility model discloses a gas is compensated again, adjusts the inhomogeneous jar temperature that causes of single cylinder mixture or the poor great condition of acting, improves the adaptability and the load adaptability of engine to the gas.
Description
Technical Field
The utility model relates to a gas engine technical field especially relates to an electricity electrovalve dynamic compensation controlling means.
Background
At present, the gas engine mainly uses methane natural gas, methane and gas as main markets, and the gas engine is mature and reliable in technology. However, in special occasions, the load changes greatly and the power fluctuates frequently, but in the occasions, the requirements on reliability and stability are higher, such as an oil exploitation drilling operation unit, a single-machine on-board unit and the like. In order to improve the dynamic performance of the premixing unit and combine the safety and reliability of the premixing unit, the development of a dynamic compensation mode is also developed.
SUMMERY OF THE UTILITY MODEL
The utility model provides an solve above-mentioned problem, provide an electricity electrovalve dynamic compensation controlling means, overcome the shortcoming and not enough of current gas engine technique to satisfy the dynamic response special requirement of the gas engine that the load fluctuation is big, realize reliable gas compensation, according to unit running state, calculate suitable compensation pulse width through control algorithm, improve unit dynamic nature.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the electronic injection valve dynamic compensation control device comprises a gas pipeline for conveying gas, an air pipeline for conveying air, a gas compensation pipeline for conveying compensation gas and an air inlet manifold, wherein the air inlet manifold comprises a gas inlet manifold and a mixed gas inlet manifold; the gas pipeline is communicated with a pressure regulating valve, the pressure regulating valve is communicated with a mixer, and the mixer is sequentially communicated with a supercharger, a throttle valve and a mixed gas inlet manifold; the fuel gas compensation pipeline is communicated with a fuel gas inlet manifold through the electrovalve, the fuel gas inlet manifold is communicated with the cylinder, and the fuel gas inlet manifold and the mixed gas inlet manifold are respectively provided with or share a set of manifold;
the gas is subjected to pressure regulation through a gas pipeline by a pressure regulating valve, the air is filtered and purified and then enters a mixer through an air pipeline, the gas and the air after pressure regulation are mixed in the mixer to form mixed gas, and the mixed gas enters a supercharger to be pressurized to form pressurized mixed gas; the supercharged mixed gas enters a mixed gas inlet manifold through a throttle valve; the pressurized mixed gas is mixed with the compensation gas controlled by the electronic injection valve in the gas inlet manifold again and then enters the cylinder through the inlet valve, or the pressurized mixed gas is mixed with the compensation gas controlled by the electronic injection valve in the cylinder again and then enters the cylinder.
In the electronic injection valve dynamic compensation control device, the electronic injection valve is a single-cylinder fuel gas electronic injection compensation valve.
The electronic injection valve dynamic compensation control device further comprises an ECU, wherein the ECU is respectively connected with the throttle valve and the electronic injection controller, the electronic injection controller is connected with the electronic injection valve, the ECU adjusts the electronic injection valve through the electronic injection controller, and the ECU controls the air inlet time of the mixed gas according to the opening time of the throttle valve.
Adopt the utility model discloses a beneficial effect of production does:
(1) the utility model adjusts the condition of cylinder temperature or great work difference caused by uneven mixing of the single cylinder through gas re-compensation; the ECU controls the air intake time of the mixed gas according to the opening time of the throttle valve, so that the compensation gas is prevented from flowing into the mixed gas to influence other cylinders; the change of the rotating speed is calculated constantly through an algorithm, so that the engine meets the working conditions of air source pressure concentration fluctuation and load change, and the adaptability of the engine to fuel gas and the load adaptability are improved.
(2) The electrovalve is responsible for dynamic compensation, mixing in the gas intake manifold or cylinder. According to the air inlet sequence of each cylinder, the auxiliary compensation gas is accurately controlled, so that the load balance and the combustion balance of each cylinder are achieved, and the main air inlet state is not influenced. The electronic injection valve is controlled by an electronic injection controller and an ECU in a coordinated mode to open the pulse width, so that the quantity of fuel gas is compensated, the air inflow is adjusted, and the quick dynamic response of a unit is realized.
Drawings
Fig. 1 is a schematic view of the structure principle of embodiment 1 of the present invention.
Fig. 2 is a schematic view of the structure principle of embodiment 2 of the present invention.
In the figure: 1-a cut-off valve; 2-pressure regulating valve; 3-a mixer; 4, air filtering; 5, a supercharger; 6-a throttle valve; 7-ECU; 8, a cylinder; 9-an electronic injection controller; 10-an electrovalve; 11-gas intake manifold; 12-mixture intake manifold; 13-inlet valve
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 and 2, the utility model discloses mainly to natural gas, biogas power generation or unit on-load unit, the condition that dynamic response is not enough when dealing with load or gas concentration change great overcomes the shortcoming and not enough of current gas engine technique to satisfy the dynamic response special requirement of the gas engine that the load fluctuation is big, realize reliable gas compensation, according to unit running state, calculate suitable compensation pulse width through control algorithm, improve the unit dynamic nature.
The electronic injection valve dynamic compensation control device comprises a gas pipeline 101 for conveying gas, an air pipeline 102 for conveying air, a gas compensation pipeline 103 for conveying compensation gas and an air inlet manifold, wherein the air inlet manifold comprises a gas inlet manifold 11 and a mixed gas inlet manifold 12; the gas pipeline 101 is communicated with a pressure regulating valve 2, the pressure regulating valve 2 is communicated with a mixer 3, and the mixer 3 is sequentially communicated with a supercharger 5, a throttle valve 6 and a mixed gas inlet manifold 12; the fuel gas compensation pipeline 103 is communicated with a fuel gas inlet manifold 11 through the electrovalve 10, the fuel gas inlet manifold is communicated with the cylinder 8, and the fuel gas inlet manifold 11 and the mixed gas inlet manifold 12 are respectively arranged or share one set of manifold;
the fuel gas is subjected to pressure regulation through a fuel gas pipeline 101 by a pressure regulating valve 2, the air is purified by an air filter 4 and then enters a mixer 3 through an air pipeline 102, the fuel gas and the air after pressure regulation are mixed in the mixer 3 to form mixed gas, and the mixed gas enters a supercharger 5 to be supercharged to form supercharged mixed gas; the supercharged mixed gas enters a mixed gas inlet manifold 12 through a throttle valve 6; the pressurized mixture is mixed with the compensation gas controlled by the electric spray valve 10 in the gas inlet manifold 11 again and then enters the cylinder 8 through the inlet valve 13, or the pressurized mixture is mixed with the compensation gas controlled by the electric spray valve 10 again in the cylinder of the cylinder and then enters the cylinder.
The electrojet valve 10 is a single-cylinder gas electrojet compensation valve.
The electronic fuel injection system further comprises an ECU7, the ECU7 is respectively connected with the throttle valve 6 and the electronic fuel injection controller 9, the electronic fuel injection controller 9 is connected with the electronic fuel injection valve 10, the ECU7 adjusts the electronic fuel injection valve 10 through the electronic fuel injection controller 9, and the ECU7 controls the air intake time of the mixed air according to the opening time of the throttle valve 6.
The gas pipeline 101 is also provided with a cut-off valve 1 for cutting off the gas supply when the gas is mixed with the air; the air filter 4 is used for filtering and purifying air before mixing with fuel gas.
In the scheme, the fuel gas is respectively provided with a compensation loop and a main mixing loop, the electric injection valve 10 is responsible for dynamically compensating the fuel gas, and the compensation fuel gas and the mixed gas are mixed in the air inlet manifold 11 or the cylinder 8 of the air cylinder.
The electronic injection valve 10 is opened by the electronic injection controller 9 and the ECU7 in a coordinated control mode, so that the quantity of the compensated fuel gas is realized, the air inflow is adjusted, and the quick dynamic response of the unit is realized.
The utility model discloses to premixing unit gas dynamic compensation, improve gas engine dynamic behavior and security performance, open pulse width control through the electrojet valve to change the in-cylinder combustion environment, make gas engine can adapt to the change and the load change of gas composition.
Example 1.
As shown in figure 1, the electronic injection valve dynamic compensation control device is used for premixing and matching of a gas engine, gas is subjected to pressure regulation through a pressure regulating valve 2, is mixed with air filtered by an air filter 4 in a mixer 3, mixed gas enters a supercharger 5 for supercharging, enters a mixed gas inlet manifold 12 through a throttle valve 6, compensated gas controlled by an electronic injection valve 10 enters a gas inlet manifold 11, and the mixed gas and the compensated gas are mixed in a cylinder 8 again and finally combusted to do work.
When the engine runs, the engine adjusts the electric injection valve 10 through the ECU7 and the electric injection controller 9, so that the air-fuel ratio of fuel gas and air entering a cylinder is always kept in a reasonable interval. When the load fluctuation is large, the uniformity of each cylinder can be controlled by controlling the electric injection valve 10, the stable operation of the unit is ensured, and the dynamic performance of the unit is also realized.
Example 2.
As shown in figure 2, the electronic injection valve dynamic compensation control device is used for premixing and matching of a gas engine, gas is subjected to pressure regulation through a pressure regulating valve 2, is mixed with air filtered by an air filter 4 in a mixer 3, mixed gas enters a supercharger 5 for supercharging, enters a gas inlet manifold 11 through a throttle valve 6, is mixed with compensation gas controlled by an electronic injection valve 10 again in the gas inlet manifold 11, and finally enters a cylinder 8 through an inlet valve 13 for combustion and work.
The utility model adjusts the condition of cylinder temperature or great work difference caused by uneven mixing of the single cylinder through gas re-compensation; the ECU7 controls the air intake time of the mixed gas according to the opening time of the throttle valve 6, and prevents the compensation gas from flowing into the mixed gas and influencing other cylinders; the change of the rotating speed is calculated constantly through an algorithm, so that the engine meets the working conditions of air source pressure concentration fluctuation and load change, and the adaptability of the engine to fuel gas and the load adaptability are improved.
The electrovalve 10 is responsible for dynamic compensation, mixing in the gas intake manifold 11 or cylinder. According to the air inlet sequence of each cylinder, the auxiliary compensation gas is accurately controlled, so that the load balance and the combustion balance of each cylinder are achieved, and the main air inlet state is not influenced. The electronic injection valve 10 is opened by the coordinated control of the electronic injection controller 9 and the ECU7, so that the quantity of the compensated fuel gas is realized, the air inflow is adjusted, and the quick dynamic response of the unit is realized.
The foregoing is a more detailed description of the present invention taken in conjunction with the accompanying drawings, which are not intended to limit the invention to the particular embodiments described herein. For those skilled in the art to which the invention pertains, equivalent substitutes or obvious modifications may be made without departing from the spirit of the invention, and the same properties or uses are deemed to be within the scope of the invention as determined by the claims as filed.
Claims (3)
1. An electronic injection valve dynamic compensation control device is characterized in that: the gas supply system comprises a gas pipeline (101) for conveying gas, an air pipeline (102) for conveying air, a gas compensation pipeline (103) for conveying compensation gas and an intake manifold, wherein the intake manifold comprises a gas intake manifold (11) and a mixed gas intake manifold (12); the gas pipeline (101) is communicated with a pressure regulating valve (2), the pressure regulating valve (2) is communicated with a mixer (3), and the mixer (3) is sequentially communicated with a supercharger (5), a throttle valve (6) and a mixed gas inlet manifold (12); the fuel gas compensation pipeline (103) is communicated with a fuel gas inlet manifold (11) through the electric injection valve (10), the fuel gas inlet manifold is communicated with the cylinder (8), and the fuel gas inlet manifold (11) and the mixed gas inlet manifold (12) are respectively arranged or share one set of manifold;
the pressure of gas is regulated through a pressure regulating valve (2) through a gas pipeline (101), air is purified through an air filter (4) and then enters a mixer (3) through an air pipeline (102), the gas and the air after pressure regulation are mixed in the mixer (3) to form mixed gas, and the mixed gas enters a supercharger (5) to be supercharged to form supercharged mixed gas; the supercharged air mixture enters an air mixture intake manifold (12) through a throttle valve (6); the pressurized mixed gas is mixed with the compensation gas controlled by the electric spray valve (10) in the gas inlet manifold (11) again and then enters the cylinder (8) through the inlet valve (13) or the pressurized mixed gas is mixed with the compensation gas controlled by the electric spray valve (10) again in the cylinder and then enters the cylinder.
2. An electrovalve dynamics compensation control device according to claim 1, characterized in that: the electric injection valve (10) is a single-cylinder gas electric injection compensation valve.
3. An electrovalve dynamics compensation control device according to claim 1, characterized in that: the electronic fuel injection device is characterized by further comprising an ECU (7), wherein the ECU (7) is respectively connected with the throttle valve (6) and the electronic injection controller (9), the electronic injection controller (9) is connected with an electronic injection valve (10), the ECU (7) adjusts the electronic injection valve (10) through the electronic injection controller (9), and the ECU (7) controls the air intake time of mixed air according to the opening time of the throttle valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022953456.3U CN214304086U (en) | 2020-12-11 | 2020-12-11 | Dynamic compensation control device for electrojet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022953456.3U CN214304086U (en) | 2020-12-11 | 2020-12-11 | Dynamic compensation control device for electrojet valve |
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| Publication Number | Publication Date |
|---|---|
| CN214304086U true CN214304086U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022953456.3U Active CN214304086U (en) | 2020-12-11 | 2020-12-11 | Dynamic compensation control device for electrojet valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115095424A (en) * | 2022-06-17 | 2022-09-23 | 潍柴动力股份有限公司 | Transient compensation ultra-lean-burn gas engine and method |
| CN115142967A (en) * | 2022-05-27 | 2022-10-04 | 河南柴油机重工有限责任公司 | Control device and method for gas fuel internal combustion engine |
-
2020
- 2020-12-11 CN CN202022953456.3U patent/CN214304086U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142967A (en) * | 2022-05-27 | 2022-10-04 | 河南柴油机重工有限责任公司 | Control device and method for gas fuel internal combustion engine |
| CN115142967B (en) * | 2022-05-27 | 2023-10-10 | 河南柴油机重工有限责任公司 | Control device and method for gas fuel internal combustion engine |
| CN115095424A (en) * | 2022-06-17 | 2022-09-23 | 潍柴动力股份有限公司 | Transient compensation ultra-lean-burn gas engine and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Dynamic Compensation Control Device for Electronic Injection Valve Effective date of registration: 20230314 Granted publication date: 20210928 Pledgee: Xi'an Caijin Financing Guarantee Co.,Ltd. Pledgor: XI'AN AEROSPACE BASE SIPU POWER TECHNOLOGY CO.,LTD. Registration number: Y2023610000169 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210928 Pledgee: Xi'an Caijin Financing Guarantee Co.,Ltd. Pledgor: XI'AN AEROSPACE BASE SIPU POWER TECHNOLOGY CO.,LTD. Registration number: Y2023610000169 |