CN203717108U - Precombustion generator - Google Patents
Precombustion generator Download PDFInfo
- Publication number
- CN203717108U CN203717108U CN201420092561.4U CN201420092561U CN203717108U CN 203717108 U CN203717108 U CN 203717108U CN 201420092561 U CN201420092561 U CN 201420092561U CN 203717108 U CN203717108 U CN 203717108U
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- CN
- China
- Prior art keywords
- burning generator
- precombustion
- burning
- water
- generator
- 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.)
- Withdrawn - After Issue
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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
- Y02T10/12—Improving ICE efficiencies
Abstract
The utility model discloses a precombustion generator which is mounted in an oil sprayer mounting hole in an engine cylinder cover. The precombustion generator comprises a precombustion generator body, wherein a precombustion chamber is arranged on the precombustion generator body; a jet hole for communicating the precombustion chamber with a combustion chamber is formed in the precombustion generator body; a gas supply device for supplying gas into the precombustion chamber is also arranged on the precombustion generator body; a spark plug mounting hole is formed in the precombustion chamber; a spark plug is mounted in the spark plug mounting hole; a cooling device is also arranged on the precombustion generator body. The precombustion generator is provided with an independent cooling system, a gas inlet system and a control system, so that the precombustion generator is an independent product and can be conveniently applied to modification of a diesel engine into a gas engine; furthermore, the tendency of detonation in a main combustion chamber can be relieved, accordingly, the compression ratio of the conventional gas engine can be increased; moreover, the compression ratio can be changed instead of redesigning a piston and a cylinder cover; the heat efficiency of the gas engine can be effectively improved, and energy is saved.
Description
Technical field
The utility model relates to a kind of for the pre-burning generator that is gas engine by diesel engine refitted.
Background technique
Rock gas is as motor fuel, and maximum advantage is exactly low contaminativity.Compare with petrol engine, the discharge amount of carbon monoxide reduces to 1/15, and carbon hydride discharge amount can reduce to 1/5, and sulfur dioxide has reduced 4/5, and there is no the harmful matters such as stupid, plumbous, sulphur.In addition, rock gas can dilute lubricating oil, can not affect the quality of lubricant oil, therefore can extend the working life of motor and machine oil, improves Economy and also reduces running noises.There is abundant natural gas resource in China, and gas engine has vast potential for future development in China.The gas engine using is at present mainly on the basis of original petrol engine and diesel engine, to carry out the system reform to form, but while diesel engine refitted being gas engine in prior art, need to redesign and change cylinder cap and cooling system, increased R&D costs, affected and promoted the use of.
Summary of the invention
Technical problem to be solved in the utility model is to provide one, and can be applied to easily diesel engine refitted be gas engine, can reduce the tendency of pinking in main combustion chamber, thereby the compression ratio that makes existing gas engine has the space of increase, and change compression ratio without redesign piston, cylinder cap, can effectively promote the thermal efficiency of gas engine, the pre-burning generator of energy saving.
For solving the problems of the technologies described above, the technical solution of the utility model is: pre-burning generator, be arranged in the mounting hole of oil sprayer that engine cylinder covers, comprise pre-burning generator body, described pre-burning generator body is provided with precombustion chamber, described pre-burning generator body is provided with the spray-hole that is communicated with described precombustion chamber and firing chamber, on described pre-burning generator body, be also provided with to the air feeder of described precombustion chamber air feed, described precombustion chamber is provided with spark plug mounting hole, in described spark plug mounting hole, spark plug is installed, on described pre-burning generator body, be also provided with cooling unit.
As preferred technological scheme, described air feeder comprises the pre-burning generator air-inlet cavity being communicated with described precombustion chamber, described pre-burning generator body is provided with the suction port being connected with described pre-burning generator air-inlet cavity, between described pre-burning generator air-inlet cavity and described precombustion chamber, be provided with valve seat, the pre-burning generator valve coordinating with described valve seat is installed in described pre-burning generator body, and described pre-burning generator valve is connected with drive unit.
As preferred technological scheme, described drive unit comprises the electromagnetic driver that connects described pre-burning generator valve.
As preferred technological scheme, also comprise control described air feeder make in the time of engine exhaust strokes described in pre-burning generator valve open, in the time of engine charge stroke, engine compresses stroke, motor expansion stroke described in pre-burning generator valve keep the valve control apparatus of closing.
As preferred technological scheme, described cooling unit comprises and is sleeved on this external coolant jacket of described pre-burning generator, between described coolant jacket and described premix burner body, is provided with cooling water channel, and described cooling water channel is connected with water pump.
As preferred technological scheme, described premix burner body is provided with water inlet and osculum, one end of described cooling water channel is connected on described water inlet, and the other end of described cooling water channel is connected on described osculum, and the water outlet pipeline of described water pump is connected to described water inlet.
As preferred technological scheme, it is the water proof rib of water-inlet cavity and water chamber that the outer wall of described pre-burning generator body is provided with space between the described coolant jacket of separation and described pre-burning generator body outer wall, the bottom of described water proof rib is provided with the mouth of a river of crossing that is communicated with described water-inlet cavity and described water chamber, and the described mouth of a river, described water-inlet cavity and the described water chamber crossed forms described water channel.
Owing to having adopted technique scheme, pre-burning generator, be arranged in the mounting hole of oil sprayer that engine cylinder covers, comprise pre-burning generator body, described pre-burning generator body is provided with precombustion chamber, described pre-burning generator body is provided with the spray-hole that is communicated with described precombustion chamber and firing chamber, on described pre-burning generator body, be also provided with to the air feeder of described precombustion chamber air feed, described precombustion chamber is provided with spark plug mounting hole, in described spark plug mounting hole, spark plug is installed, on described pre-burning generator body, is also provided with cooling unit, can be directly installed in the mounting hole of oil sprayer that engine cylinder covers, change cylinder cap and cooling system without redesigning, R&D costs are reduced, facilitate and promoted the use of, the utlity model has independently cooling system, gas handling system and control system, thereby make the utility model become an independently product, making motivation precombustion chamber is no longer an entirety with engine cylinder cover, can be applied to easily diesel engine refitted is gas engine, and can reduce the tendency of pinking in main combustion chamber, make the compression ratio of existing gas engine have the space of increase, and without redesigning piston, cylinder cap changes compression ratio, can effectively promote the thermal efficiency of gas engine, energy saving.
brief description of the drawings
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the utility model embodiment's structural representation;
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is the plan view of Fig. 1;
Fig. 4 is that the C-C of Fig. 2 is to sectional view;
Fig. 5 is the working principle schematic diagram of cooling unit in the utility model embodiment;
Fig. 6 is the installment state schematic diagram that the utility model embodiment covers at engine cylinder;
In figure: 1-engine cylinder cover; 2-mounting hole of oil sprayer; 3-pre-burning generator body; 4-precombustion chamber; 5-firing chamber; 6-spray-hole; 7-crosses the mouth of a river; 8-spark plug; 9-water proof rib; 10-suction port; 11-valve seat; 12-pre-burning generator valve; 13-electromagnetic driver; 14-coolant jacket; 15-water pump; 16-water inlet; 17-osculum; 18-water-inlet cavity; 19-water chamber.
Embodiment
Understand for technical characteristics of the present utility model, object and effect being had more clearly, now contrast brief description of the drawings embodiment of the present utility model.
As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, pre-burning generator, be arranged in the mounting hole of oil sprayer 2 on engine cylinder cover 1, comprise pre-burning generator body 3, described pre-burning generator body 3 is provided with precombustion chamber 4, described pre-burning generator body 3 is provided with the spray-hole 6 that is communicated with described precombustion chamber 4 and firing chamber 5, on described pre-burning generator body 3, be also provided with to the air feeder of described precombustion chamber 4 air feed, described precombustion chamber 4 is provided with spark plug mounting hole, spark plug 8 is installed in described spark plug mounting hole, on described pre-burning generator body 3, is also provided with cooling unit.
As shown in Fig. 1, Fig. 3 and Fig. 6, described air feeder comprises the pre-burning generator air-inlet cavity being communicated with described precombustion chamber 4, described pre-burning generator body 3 is provided with the suction port 10 being connected with described pre-burning generator air-inlet cavity, between described pre-burning generator air-inlet cavity and described precombustion chamber 4, be provided with valve seat 11, the pre-burning generator valve 12 coordinating with described valve seat 11 is installed in described pre-burning generator body 3, and described pre-burning generator valve 12 is connected with drive unit.
Described drive unit comprises the electromagnetic driver 13 that connects described pre-burning generator valve 12.
Also comprise control described air feeder make in the time of engine exhaust strokes described in pre-burning generator valve 12 open, described in the time of engine charge stroke, engine compresses stroke, motor expansion stroke, pre-burning generator valve 12 keeps the valve control apparatus of closing, described valve control apparatus can adopt prior art, not shown, also repeat no more at this.
As shown in Figure 5, described cooling unit comprises the coolant jacket 14 being sleeved on outside described pre-burning generator body 3, between described coolant jacket 14 and described premix burner body 3, is provided with cooling water channel, and described cooling water channel is connected with water pump 15.
Described premix burner body 3 is provided with water inlet 16 and osculum 17, one end of described cooling water channel is connected on described water inlet 16, the other end of described cooling water channel is connected on described osculum 17, and the water outlet pipeline of described water pump 15 is connected to described water inlet 16.
As shown in Figure 1 and Figure 4, it is the water proof rib 9 of water-inlet cavity 18 and water chamber 19 that the outer wall of pre-burning generator body 3 is provided with space between the described coolant jacket 14 of separation and described pre-burning generator body 3 outer walls, the bottom of described water proof rib 9 is provided with the mouth of a river 7 excessively that is communicated with described water-inlet cavity 18 and described water chamber 19, and the described mouth of a river 7, described water-inlet cavity 18 and the described water chamber 19 crossed forms described water channel.
The utility model has independently cooling system, gas handling system.
When cooling unit work, as shown in Figure 5, cooling water flows out from water pump 15, enter water inlet 16, water proof rib 9 is water-inlet cavity 18 and water chamber 19 by gapping interval between described pre-burning generator body 3 outer walls, cooling water enters water-inlet cavity 18 from water inlet 16, then the mouth of a river 7 of crossing that is communicated with described water-inlet cavity 18 and described water chamber 19 from being located at the bottom of described water proof rib 9 flows into water chamber 19, then flows back to water pump 15.Good cooling results, and can not affect engine cylinder cover cooling water circulation.
When air feeder work, under the control of valve control apparatus, in the time that motor runs to exhaust stroke, electromagnetic driver 13 drives pre-burning generator valve 12 to open, and the gas that air mixes with rock gas is entered by suction port 10, through pre-burning generator air-inlet cavity, enter precombustion chamber 4, clear away pre-burning indoor exhaust air, in the time of engine charge stroke, pre-burning generator valve 12 is closed, until pre-burning generator valve 12 is opened again when engine exhaust strokes.
In complete machine when work,, in engine exhaust strokes, pre-burning generator valve 12 is opened, waste gas in cleaning pre-burning generator, and make to be filled with in precombustion chamber 4 mixed combustible gas body; In engine charge stroke procedure, pre-burning generator valve 12 is closed, and in this process, further makes precombustion chamber be filled with more inflammable mixture.In engine compresses stroke procedure, pre-burning generator valve 12 is closed all the time, and in compression stroke at the end, spark plug 8 is lighted a fire, and in the interior flame spread burning of precombustion chamber 4, and forms flame jet by spray-hole 6, the inflammable gas that pilot combustion is indoor; Motor expansion stroke pre-burning generator attonity; Until engine exhaust strokes pre-burning generator valve 12 is opened again, carry out next work cycle.
The utility model reduces engine knock by following two kinds of methods: (1) precombustion chamber makes burning chamber of diesel engine volume increase reduction compression ratio; (2) pre-burning Indoor Combustion speed depends on diffusive combustion, flame of combustion sprays into firing chamber by spray-hole 6, velocity of combustion depends on flame flow velocity, flame jet velocity is greater than Flame of Natural Gas velocity of propagation, burning is fast, reduce pinking, gas engine compression ratio is improved, improved gas engine efficiency.By above two kinds of methods, the controlling method of compression ratio is become to the pre-chamber volume that changes pre-burning generator from changing engine cylinder cover or piston.
Can be directly installed in the mounting hole of oil sprayer 2 on engine cylinder cover 1, change cylinder cap and cooling system without redesigning, R&D costs are reduced, facilitate and promoted the use of, making motivation precombustion chamber is no longer an entirety with engine cylinder cover, be independent of motor, there is independently cooling system, gas handling system and control system, can be applied to easily diesel engine refitted is gas engine, can reduce the tendency of pinking in main combustion chamber, and the compression ratio that makes existing gas engine has the space of increase, and without redesigning piston, cylinder cap changes compression ratio, can effectively promote the thermal efficiency of gas engine, energy saving.
More than show and described basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. pre-burning generator, it is characterized in that: be arranged in the mounting hole of oil sprayer that engine cylinder covers, comprise pre-burning generator body, described pre-burning generator body is provided with precombustion chamber, described pre-burning generator body is provided with the spray-hole that is communicated with described precombustion chamber and firing chamber, on described pre-burning generator body, be also provided with to the air feeder of described precombustion chamber air feed, described precombustion chamber is provided with spark plug mounting hole, in described spark plug mounting hole, spark plug is installed, on described pre-burning generator body, is also provided with cooling unit.
2. pre-burning generator as claimed in claim 1, it is characterized in that: described air feeder comprises the pre-burning generator air-inlet cavity being communicated with described precombustion chamber, described pre-burning generator body is provided with the suction port being connected with described pre-burning generator air-inlet cavity, between described pre-burning generator air-inlet cavity and described precombustion chamber, be provided with valve seat, the pre-burning generator valve coordinating with described valve seat is installed in described pre-burning generator body, and described pre-burning generator valve is connected with drive unit.
3. pre-burning generator as claimed in claim 2, is characterized in that: described drive unit comprises the electromagnetic driver that connects described pre-burning generator valve.
4. pre-burning generator as claimed in claim 2, it is characterized in that: also comprise control described air feeder make in the time of engine exhaust strokes described in pre-burning generator valve open, in the time of engine charge stroke, engine compresses stroke, motor expansion stroke described in pre-burning generator valve keep the valve control apparatus of closing.
5. pre-burning generator as claimed in claim 1, it is characterized in that: described cooling unit comprises and is sleeved on this external coolant jacket of described pre-burning generator, between described coolant jacket and described premix burner body, be provided with cooling water channel, described cooling water channel is connected with water pump.
6. pre-burning generator as claimed in claim 5, it is characterized in that: described premix burner body is provided with water inlet and osculum, one end of described cooling water channel is connected on described water inlet, the other end of described cooling water channel is connected on described osculum, and the water outlet pipeline of described water pump is connected to described water inlet.
7. pre-burning generator as claimed in claim 6, it is characterized in that: it is the water proof rib of water-inlet cavity and water chamber that the outer wall of described pre-burning generator body is provided with space between the described coolant jacket of separation and described pre-burning generator body outer wall, the bottom of described water proof rib is provided with the mouth of a river of crossing that is communicated with described water-inlet cavity and described water chamber, and the described mouth of a river, described water-inlet cavity and the described water chamber crossed forms described water channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092561.4U CN203717108U (en) | 2014-03-03 | 2014-03-03 | Precombustion generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092561.4U CN203717108U (en) | 2014-03-03 | 2014-03-03 | Precombustion generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717108U true CN203717108U (en) | 2014-07-16 |
Family
ID=51156270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420092561.4U Withdrawn - After Issue CN203717108U (en) | 2014-03-03 | 2014-03-03 | Precombustion generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717108U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821606A (en) * | 2014-03-03 | 2014-05-28 | 潍柴西港新能源动力有限公司 | Pre-combustion generator |
| CN106894876A (en) * | 2017-03-23 | 2017-06-27 | 江苏盛源燃气动力机械有限公司 | Large-diameter single cylinder gas internal-combustion engine and multi-cylinder gas internal-combustion engine |
| CN106930819A (en) * | 2017-03-23 | 2017-07-07 | 江苏盛源燃气动力机械有限公司 | Water jacket air-cooled type pre-burning device |
-
2014
- 2014-03-03 CN CN201420092561.4U patent/CN203717108U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821606A (en) * | 2014-03-03 | 2014-05-28 | 潍柴西港新能源动力有限公司 | Pre-combustion generator |
| CN103821606B (en) * | 2014-03-03 | 2016-04-06 | 潍柴西港新能源动力有限公司 | Pre-burning generator |
| CN106894876A (en) * | 2017-03-23 | 2017-06-27 | 江苏盛源燃气动力机械有限公司 | Large-diameter single cylinder gas internal-combustion engine and multi-cylinder gas internal-combustion engine |
| CN106930819A (en) * | 2017-03-23 | 2017-07-07 | 江苏盛源燃气动力机械有限公司 | Water jacket air-cooled type pre-burning device |
| CN106894876B (en) * | 2017-03-23 | 2019-09-06 | 江苏盛源燃气动力机械有限公司 | Large-diameter single cylinder gas internal-combustion engine and multi-cylinder gas internal-combustion engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140716 Effective date of abandoning: 20160406 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |