CN110594070A - Gas engine ignition system and method for detecting air leakage of spark plug - Google Patents
Gas engine ignition system and method for detecting air leakage of spark plug Download PDFInfo
- Publication number
- CN110594070A CN110594070A CN201910866564.6A CN201910866564A CN110594070A CN 110594070 A CN110594070 A CN 110594070A CN 201910866564 A CN201910866564 A CN 201910866564A CN 110594070 A CN110594070 A CN 110594070A
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- bushing
- voltage
- conducting strip
- voltage wire
- ignition system
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P17/00—Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P3/00—Other installations
- F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
- F02P3/04—Layout of circuits
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Spark Plugs (AREA)
Abstract
The invention belongs to the technical field of gas machines, and particularly relates to a gas machine ignition system and a method for detecting air leakage of a spark plug. The ignition system of a gas engine of the present invention comprises: the high-pressure bushing is provided with a bushing conducting strip; the spark plug is arranged in the spark liner, and the spark liner is connected with the high-voltage liner; one end of the high-voltage wire is connected with the ignition coil, the other end of the high-voltage wire penetrates through the high-voltage bushing to be connected with the spark plug, and a high-voltage wire conducting strip in contact connection with the bushing conducting strip is arranged on the high-voltage wire; and the controller can receive a signal that the bushing conducting strip is in contact connection or contact disconnection with the high-voltage wire conducting strip. According to the gas engine ignition system, when the spark plug leaks gas, the gas pushes the high-voltage wire out of the high-voltage bushing, the bushing conducting plate is separated from the high-voltage wire conducting plate, the controller receives the separated information, a user can stop the machine for maintenance according to the information, online detection can be achieved, and the detection is timely and accurate.
Description
Technical Field
The invention belongs to the technical field of gas machines, and particularly relates to a gas machine ignition system and a method for detecting air leakage of a spark plug.
Background
A gas machine: a system capable of burning combustible gas such as natural gas, methane, industrial waste gas and the like to generate kinetic energy belongs to one type of engine.
In gas engine applications, the problems of spark plug leakage, which is caused by the fact that the spark plug is not assembled in place or the spark plug thread is damaged, the spark plug leaks air, and the like, further cause the problem that the spark plug is directly sintered to the installation spark plug bushing or cause engine abnormity, and the like. Present gas machine leaks gas and measures or artifical inspection through specific device, if measure through specific device, can not real-time on-line measuring, uses inconveniently, if through artifical inspection, has the untimely and inaccurate problem of inspection.
The existing gas machine gas leakage is measured by a specific device or is manually checked, so that the real-time online detection cannot be realized, the checking is not timely, and the checking is not accurate.
Disclosure of Invention
The invention aims to at least solve the problems that the existing gas machine leakage is measured by a specific device or is manually checked, cannot be detected on line in real time, and is not checked in time and inaccurate in check. The purpose is realized by the following technical scheme:
a first aspect of the present invention proposes a gas engine ignition system comprising:
the high-pressure bushing is provided with a bushing conducting strip;
a spark plug disposed within a spark liner, the spark liner connected with the high voltage liner;
one end of the high-voltage wire is connected with the ignition coil, the other end of the high-voltage wire penetrates through the high-voltage bushing and is connected with the spark plug, and a high-voltage wire conducting strip in contact connection with the bushing conducting strip is arranged on the high-voltage wire; and
and the controller can receive a signal that the bushing conducting strip is in contact connection or disconnection with the high-voltage wire conducting strip.
According to the gas engine ignition system, the controller can receive a signal that the bushing conducting strip is in contact connection with or disconnected from the high-voltage wire conducting strip, the bushing conducting strip is always in contact with the high-voltage wire conducting strip in normal assembly and normal working states, when the spark plug leaks, gas pushes the high-voltage wire out of the high-voltage bushing, the bushing conducting strip is separated from the high-voltage wire conducting strip, the controller receives the separated information, a user can stop the machine for maintenance according to the information, online detection can be achieved, and the detection is timely and accurate.
In addition, the gas engine ignition system according to the present invention may further have the following additional technical features:
in some embodiments of the present invention, the gas engine ignition system further comprises an alarm, the alarm is connected to the controller, and the controller receives a signal that the bushing conductive sheet is disconnected from the high-voltage wire conductive sheet to control the alarm to be turned on.
In some embodiments of the present invention, a protrusion is disposed on the high voltage line, the protrusion is disposed corresponding to the high voltage bushing, the high voltage line conductive sheet is disposed on the protrusion, and the bushing conductive sheet is disposed on the high voltage bushing.
In some embodiments of the invention, the high voltage conducting strip is fixed on the boss by gluing or screwing.
In some embodiments of the invention, the bushing conducting strip is fixed on top of the high voltage bushing by a screw.
In some embodiments of the invention, the high voltage wire is provided with an elastic protrusion, and the high voltage wire is in interference fit in the high voltage bushing through the elastic protrusion.
In some embodiments of the present invention, the bushing conductive plate and the high-voltage wire conductive plate are respectively provided with a connecting hole, the connecting hole is used for passing through a connecting wire, and the bushing conductive plate and the high-voltage wire conductive plate are respectively connected to the controller through the connecting wire.
In some embodiments of the present invention, the bushing conductive sheet and the high voltage wire conductive sheet are made of conductive materials, and the high voltage bushing and the high voltage wire are made of insulating materials.
In another aspect of the present invention, a method for detecting air leakage of a spark plug is provided, wherein the method for detecting air leakage of a spark plug has the gas engine ignition system described in any one of the above, and comprises the following steps:
a high-voltage wire conducting strip is arranged on the high-voltage wire, and a bushing conducting strip in contact connection with the high-voltage wire conducting strip is arranged on the high-voltage bushing;
if the bushing conducting strip is disconnected with the high-voltage wire conducting strip in a contact mode, the controller receives a signal.
In some embodiments of the invention, the alarm is controlled to alarm when the controller receives a contact-breaking signal.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings.
In the drawings:
FIG. 1 schematically illustrates a schematic structural diagram of a removal controller in a gas engine ignition system according to an embodiment of the present invention;
FIG. 2 schematically illustrates a schematic configuration of high voltage lines in a gas engine ignition system according to an embodiment of the present invention;
FIG. 3 schematically illustrates a schematic structural view of a high voltage line conducting strip and a bushing conducting strip in a gas engine ignition system according to an embodiment of the invention;
FIG. 4 schematically illustrates a high pressure bushing and a bushing conducting strip in a gas engine ignition system according to an embodiment of the invention;
FIG. 5 schematically illustrates a schematic diagram of a bushing conductive sheet in a gas engine ignition system according to an embodiment of the present invention;
fig. 6 schematically shows a structural diagram of a controller and an alarm in the ignition system of the gas engine according to the embodiment of the invention.
The reference numerals in the drawings denote the following:
1: a high-voltage line; 2: a high pressure bushing; 3: a spark liner; 4: a spark plug; 5: a high-voltage wire conducting strip; 6: a bushing conductive plate; 7: a screw; 8: an elastic bulge; 9: a boss portion; 10: a controller; 11: an alarm; 12: and connecting the holes.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
A first aspect of the present invention is directed to a gas engine ignition system for detecting whether a spark plug leaks gas.
As shown in fig. 1 to 6, the gas engine ignition system in the present embodiment includes: a high-voltage bushing 2, a spark plug 4, a high-voltage line 1 (a lead connecting the spark plug 4 and an ignition coil), and a controller 10; a bushing conducting strip 6 is arranged on the high-pressure bushing 2; the spark plug 4 is arranged in the spark liner 3, and the spark liner 3 is connected with the high-voltage liner 2; one end of a high-voltage wire 1 is connected with an ignition coil, the other end of the high-voltage wire 1 is arranged in a high-voltage bushing 2 in a penetrating way and is connected with a spark plug 4, and a high-voltage wire conducting strip 5 in contact connection with a bushing conducting strip 6 is arranged on the high-voltage wire 1; the controller 10 can receive a signal that the bushing conductive sheet 6 is in contact with or out of contact with the high voltage line conductive sheet 5.
The controller can also be connected with the display screen or the mobile terminal according to the requirements, sends signals to the display screen to prompt personnel or is connected with the mobile terminal through the communication module, and is not required to be watched on site.
The high-voltage bushing 2 is arranged at the top of the spark bushing 3, the bottom of the high-voltage bushing 2 is tightly pressed with the top of the spark bushing 3, a gap is reserved between the high-voltage wire 1 and the high-voltage bushing 2 as well as between the high-voltage wire 1 and the spark bushing 3, and when the spark plug 4 leaks air, the air moves upwards from the gap to push the high-voltage wire 1 out of the high-voltage bushing 2.
Under normal assembly and normal operating condition, the bush conducting strip 6 contacts with high-voltage line conducting strip 5 all the time, and under the condition that spark plug 4 takes place to leak gas, gaseous ejecting high-voltage bushing 2 with high-voltage line 1, bush conducting strip 6 and high-voltage line conducting strip 5 throw off, and controller 10 receives the information of throwing off, and the user can shut down the maintenance according to the information. The high-voltage line 1 and the high-voltage bushing 2 are provided with conducting strips, and when the high-voltage line 1 and the high-voltage bushing 2 are separated, a detection circuit is designed, and an automatic alarm can be given through the gas machine controller 10.
In some embodiments of the present invention, the gas engine ignition system further comprises an alarm 11, the alarm 11 is connected to the controller 10, and the controller 10 receives a signal indicating that the bushing conductive sheet 6 is disconnected from the high-voltage wire conductive sheet 5 to control the alarm 11 to be turned on.
Specifically, when the spark plug 4 leaks air, the high-voltage wire 1 is pushed out of the high-voltage bushing 2, the high-voltage wire conducting strip 5 is separated from the bushing conducting strip 6, and after the detection circuit detects a disconnection signal, the detection circuit controls the alarm 11 to give an alarm through the controller 10.
In some embodiments of the invention, the high voltage wire 1 is provided with a boss 9, the boss 9 is arranged corresponding to the high voltage bushing 2, the high voltage wire conducting strip 5 is arranged on the boss 9, and the bushing conducting strip 6 is arranged on the high voltage bushing 2.
Specifically, the boss 9 is close to the high-voltage bushing 2, the boss 9 is hollow, the high-voltage wire conducting strip 5 is located in the boss 9, the high-voltage wire conducting strip 5 is arranged at the bottom close to the boss 9, and the bushing conducting strip 6 is arranged at the top of the high-voltage bushing 2.
In some embodiments of the invention the high voltage wire conducting strip 5 is fixed on the boss 9 by gluing or screws 7. The high-voltage wire conducting strip 5 is more conveniently arranged on the boss 9 by gluing.
In some embodiments of the invention, the bushing conducting strip 6 is fixed on top of the high voltage bushing 2 by means of screws 7.
Specifically, the bushing conducting strip 6 and the high-voltage bushing 2 are fixed through a fixing screw 7, wherein a threaded hole is formed in the high-voltage bushing 2, and the screw 7 is in threaded connection with the threaded hole. The bushing conducting strip 6 is provided with two countersunk holes for mounting screws 7. The high-voltage wire conducting strip 5 and the bushing conducting strip 6 are both circular rings, and the shape of the bushing conducting strip 6 is matched with that of the high-voltage bushing 2.
In some embodiments of the invention, the high voltage wire 1 is provided with a resilient protrusion 8, and the high voltage wire 1 is interference fitted in the high voltage bushing 2 by means of the resilient protrusion 8.
Specifically, the elastic protrusion 8 is in interference fit with the high-pressure bushing 2, and the elastic protrusion 8 may be a plurality of similar bottle plug sealing structures, and the high-pressure wire 1 is sealed in the high-pressure bushing 2 by interference assembling the elastic protrusion 8 made of rubber to the high-pressure bushing 2.
In some embodiments of the present invention, the bushing conductive plate 6 and the high voltage wire conductive plate 5 are respectively provided with a connection hole 12, the connection hole 12 is used for passing through a connection line, and the bushing conductive plate 6 and the high voltage wire conductive plate 5 are respectively connected to the controller 10 through the connection line.
Specifically, the high-voltage wire conductive sheet 5 is provided with two connection holes 12 for the connection wire to pass through, and the connection wire is connected to the bushing conductive sheet 6 by welding. The connection hole 12 is provided at a side surface of the high voltage wire conductive sheet 5.
In some embodiments of the present invention, the bushing conductive plate 6 and the high voltage wire conductive plate 5 are made of conductive materials, and the high voltage bushing 2 and the high voltage wire 1 are made of insulating materials.
Wherein, high-voltage line 1 is non-conductive plastics and rubber material, and high-voltage bushing 2 is the plastics material, and high-voltage line conducting strip 5 is electrically conductive material, and bushing conducting strip 6 is electrically conductive material.
In another aspect of the present invention, a method for detecting air leakage of a spark plug is provided, wherein the method for detecting air leakage of a spark plug has any one of the gas engine ignition systems, and the method comprises the following steps:
a high-voltage wire conducting plate 5 is arranged on the high-voltage wire 1, and a bushing conducting plate 6 in contact connection with the high-voltage wire conducting plate 5 is arranged on the high-voltage bushing 2;
if the bushing conductive plate 6 is disconnected from the high voltage wire conductive plate 5, the controller 10 receives a signal.
In some embodiments of the present invention, the alarm 11 is controlled to alarm when the controller 10 receives the contact-open signal.
When the ignition system of the gas engine works, the high-voltage wire 1 is provided with the high-voltage wire conducting strip 5, the head part of the high-voltage bushing 2 is provided with the bushing conducting strip 6, and the high-voltage wire conducting strip 5 and the bushing conducting strip 6 are always contacted under the normal assembly and normal working state. The high-voltage wire conducting strip 5 and the lining conducting strip 6 are respectively connected with a detection circuit through connecting wires, when air leakage occurs, the high-voltage wire 1 is pushed out of the lining conducting strip 6 to be separated, and the detection circuit automatically alarms through the controller 10. Therefore, the purposes of timely shutdown and maintenance are achieved, and the gas engine is prevented from being damaged due to incapability of discovering after abnormity occurs.
In summary, in the ignition system of the gas engine of the present invention, the controller 10 can receive a signal indicating that the bushing conductive sheet 6 is in contact with or disconnected from the high-voltage wire conductive sheet 5, the bushing conductive sheet 6 is always in contact with the high-voltage wire conductive sheet 5 in normal assembly and normal operation states, when the spark plug 4 leaks gas, the gas pushes the high-voltage wire 1 out of the high-voltage bushing 2, the bushing conductive sheet 6 is separated from the high-voltage wire conductive sheet 5, and the controller 10 receives the separated information, so that the user can stop the machine for maintenance according to the information, and can perform online detection, and the inspection is timely and accurate.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A gas engine ignition system, comprising:
the high-pressure bushing is provided with a bushing conducting strip;
a spark plug disposed within a spark liner, the spark liner connected with the high voltage liner;
one end of the high-voltage wire is connected with the ignition coil, the other end of the high-voltage wire penetrates through the high-voltage bushing and is connected with the spark plug, and a high-voltage wire conducting strip in contact connection with the bushing conducting strip is arranged on the high-voltage wire; and
and the controller can receive a signal that the bushing conducting strip is in contact connection or disconnection with the high-voltage wire conducting strip.
2. The gas engine ignition system of claim 1, further comprising an alarm connected to the controller, wherein the controller receives a signal indicating that the bushing conductive strip is disconnected from the high-voltage wire conductive strip to control the alarm to turn on.
3. The gas engine ignition system according to claim 1, wherein a boss is provided on the high voltage line, the boss being provided in correspondence with the high voltage bushing, the high voltage line conductive tab being provided on the boss, the bushing conductive tab being provided on the high voltage bushing.
4. A gas engine ignition system as claimed in claim 3, wherein the high voltage conductive sheet is fixed to the boss by gluing or screwing.
5. The gas engine ignition system of claim 3, wherein the bushing conductive tab is secured to the high pressure bushing top by a screw.
6. The gas engine ignition system of claim 1, wherein the high voltage wire is provided with a resilient protrusion, and the high voltage wire is interference fit within the high voltage bushing through the resilient protrusion.
7. The gas engine ignition system according to claim 1, wherein the bushing conductive plate and the high-voltage wire conductive plate are respectively provided with a connecting hole for passing a connecting wire, and the bushing conductive plate and the high-voltage wire conductive plate are respectively connected with the controller through the connecting wire.
8. The gas engine ignition system of claim 1, wherein the bushing conductive tab and the high voltage line conductive tab are electrically conductive and the high voltage bushing and the high voltage line are electrically insulating.
9. A method of detecting a spark plug leak, having a gas engine ignition system according to any one of claims 1 to 8, characterized by the steps of:
a high-voltage wire conducting strip is arranged on the high-voltage wire, and a bushing conducting strip in contact connection with the high-voltage wire conducting strip is arranged on the high-voltage bushing;
if the bushing conducting strip is disconnected with the high-voltage wire conducting strip in a contact mode, the controller receives a signal.
10. The method of detecting air leakage from a spark plug of claim 9, wherein the controller controls the alarm to alarm when the controller receives a contact-breaking signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910866564.6A CN110594070B (en) | 2019-09-12 | 2019-09-12 | Gas engine ignition system and method for detecting air leakage of spark plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910866564.6A CN110594070B (en) | 2019-09-12 | 2019-09-12 | Gas engine ignition system and method for detecting air leakage of spark plug |
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| Publication Number | Publication Date |
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| CN110594070A true CN110594070A (en) | 2019-12-20 |
| CN110594070B CN110594070B (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910866564.6A Active CN110594070B (en) | 2019-09-12 | 2019-09-12 | Gas engine ignition system and method for detecting air leakage of spark plug |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002059479A1 (en) * | 2001-01-26 | 2002-08-01 | Federal-Mogul Corporation | Engine cover with integrated ignition system |
| CN202732189U (en) * | 2012-08-15 | 2013-02-13 | 潍柴动力西港新能源发动机有限公司 | Overhead coil for natural gas engine |
| CN105811246A (en) * | 2015-01-16 | 2016-07-27 | 沃尔布罗有限责任公司 | Spark plug boot cover assembly |
| CN206533032U (en) * | 2017-02-06 | 2017-09-29 | 潍柴动力股份有限公司 | Spark plug for natural gas engine bushing and ignition of natural gas engine system |
| CN207350376U (en) * | 2017-10-16 | 2018-05-11 | 中山德厨科技有限公司 | A kind of on-off type pressure test device |
-
2019
- 2019-09-12 CN CN201910866564.6A patent/CN110594070B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002059479A1 (en) * | 2001-01-26 | 2002-08-01 | Federal-Mogul Corporation | Engine cover with integrated ignition system |
| CN202732189U (en) * | 2012-08-15 | 2013-02-13 | 潍柴动力西港新能源发动机有限公司 | Overhead coil for natural gas engine |
| CN105811246A (en) * | 2015-01-16 | 2016-07-27 | 沃尔布罗有限责任公司 | Spark plug boot cover assembly |
| CN206533032U (en) * | 2017-02-06 | 2017-09-29 | 潍柴动力股份有限公司 | Spark plug for natural gas engine bushing and ignition of natural gas engine system |
| CN207350376U (en) * | 2017-10-16 | 2018-05-11 | 中山德厨科技有限公司 | A kind of on-off type pressure test device |
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| CN110594070B (en) | 2021-07-09 |
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