CN103807054A - Gas engine air supply pipe interlocking valve mechanism - Google Patents
Gas engine air supply pipe interlocking valve mechanism Download PDFInfo
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- CN103807054A CN103807054A CN201210439723.2A CN201210439723A CN103807054A CN 103807054 A CN103807054 A CN 103807054A CN 201210439723 A CN201210439723 A CN 201210439723A CN 103807054 A CN103807054 A CN 103807054A
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- manually operated
- valve
- operated valve
- gas
- air line
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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
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Abstract
The invention discloses an interlocking valve mechanism. The interlocking valve mechanism is connected with a gas filter and a gas spraying system in an air supply pipe to control the air supply pipe to be opened and closed. The gas engine air supply pipe interlocking valve mechanism comprises a first electromagnetic valve, a first manual valve and a gas discharging pipe, the first electromagnetic valve is arranged between the gas filter and the gas spraying system in the air supply pipe, the first manual valve is arranged at the position, at the back end of the first electromagnetic valve, of the air supply pipe, the gas discharging pipe is communicated with the portion, between the gas filter and the gas spraying system, of the air supply pipe and used for controlling residual gas in the air supply pipe to discharge the residual gas, and a second electromagnetic valve and a second manual valve are sequentially arranged on the gas discharging pipe in the gas discharging direction. When the electromagnetic valves lose efficiency, the air supply pipe can be manually controlled through the interlocking valve mechanism; after an engine is stopped, the residual gas in the air supply pipe can be timely discharged out of the pipe, and potential safety hazards are eliminated.
Description
Technical field
The present invention relates to a kind of gas engine gas supply pipe system, particularly a kind of gas engine supply air line interlock valve mechanism.
Background technique
Solenoid valve, for gas engine gas supply pipe system, is controlled its open and close by electronic control unit (ECU).At present, existing gas engine gas supply pipe system as shown in Figure 1.When gas engine is normally worked, air supply system 1 ' unlatching air feed, the solenoid valve 4 of being controlled by ECU ' unlatching, combustion gas by supply air line 2 ', through combustion gas filter cleaner 3 ' filtration and the control of fuel gas injection system 5 ' to its flow and pressure, supply with gas engine 6 '; When gas engine need to be shut down, air supply system 1 ' close air feed, the solenoid valve 4 of being controlled by ECU ' close, stop supplying with gas engine 6 '.
The defect of existing gas engine gas supply pipe system is: ECU controls the opening and closing of solenoid valve, once solenoid valve lost efficacy, does not possess manual-lock supply air line function; After engine shutdown, air supply system also has combustion gas to retain to the pipeline between motor, cannot discharge, and has potential safety hazard.Particularly very multiengined supply air line long (as marine engine, supply air line is generally connected to engine compartment from the deck of ship), retains a large amount of combustion gas and can cause larger potential safety hazard in pipeline.
Summary of the invention
The present invention is in order to overcome defect in above-mentioned prior art, and a kind of interlock valve mechanism is provided.In the time that solenoid valve lost efficacy, this mechanism can realize manual control supply air line; After engine shutdown, remain in outside the timely discharge tube of combustion gas energy in pipeline, eliminate safe hidden trouble.
For achieving the above object, the invention provides a kind of gas engine supply air line interlock valve mechanism, be located in the supply air line between air supply system and gas engine, can control the open and close of supply air line.This gas engine supply air line interlock valve mechanism, comprising: the first solenoid valve, and it is located between the combustion gas filter cleaner and fuel gas injection system in supply air line; The first manually operated valve, it is located on the rear end supply air line of the first solenoid valve; Gas exhaust piping, it is communicated with the supply air line between the first manually operated valve and fuel gas injection system, discharges for the remaining combustion gas of controlling supply air line; On gas exhaust piping, be provided with successively the second solenoid valve and the second manually operated valve by discharge directions.
When motor is during in normal working, the first manually operated valve, the second manually operated valve and the first solenoid valve are opened, the second closed electromagnetic valve; When motor is during in outage state, the first manually operated valve, the second manually operated valve and the second solenoid valve are opened, the first closed electromagnetic valve; In the time that the first solenoid valve lost efficacy, the first manually operated valve cuts out, and the second solenoid valve and the second manually operated valve are opened.
In said mechanism technological scheme, preferably, also comprise the 3rd manually operated valve, it is located on the supply air line between the first manually operated valve and fuel gas injection system and is positioned at the near-end of fuel gas injection system.
When motor is during in normal working, the first manually operated valve, the second manually operated valve, the 3rd manually operated valve and the first solenoid valve are opened, the second closed electromagnetic valve; When motor is during in outage state, the first manually operated valve, the second manually operated valve, the 3rd manually operated valve and the second solenoid valve are opened, the first closed electromagnetic valve; In the time that the first solenoid valve lost efficacy, any one in the first manually operated valve and the 3rd manually operated valve or two close, and the second solenoid valve and the second manually operated valve are opened.
In said mechanism technological scheme, further, the second manually operated valve is connected with vent systems.
Compared with prior art, the present invention has following beneficial effect:
1. by adding manually operated valve, in the situation that solenoid valve lost efficacy, this mechanism can realize manual control supply air line;
2. after engine shutdown, the combustion gas remaining in pipeline can be discharged supply air line in time by gas exhaust piping, eliminates safe hidden trouble;
3. add the 3rd manually operated valve, in the time that solenoid valve lost efficacy, if staff is near fuel gas injection system and gas engine, can manually closes the 3rd manually operated valve to close supply air line, and without going to the first manually operated valve place, shorten the emergency reaction time.
Accompanying drawing explanation
Fig. 1 is gas engine supply air line schematic diagram in the prior art the present invention relates to;
Fig. 2 is the gas engine supply air line schematic diagram (dotted line frame illustrates gas exhaust piping) that the embodiment of the present invention 1 relates to;
Fig. 3 is the gas engine supply air line schematic diagram that the embodiment of the present invention 2 relates to;
Mark by reference to the accompanying drawings the following drawings mark thereon:
1 '-air supply system, 2 '-supply air line, 3 '-combustion gas filter cleaner, 4 '-solenoid valve, 5 '-fuel gas injection system, 6 '-gas engine;
1-air supply system, 2-supply air line, 3-combustion gas filter cleaner, 411-the first solenoid valve, 412-the first manually operated valve, 413-the 3rd manually operated valve, 421-the second solenoid valve, 422-the second manually operated valve, 5-fuel gas injection system, 6-gas engine, 7-vent systems.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of embodiment.
As shown in Figure 2, embodiment 1 gas engine supply air line interlock valve mechanism comprises the first solenoid valve 411, the second solenoid valve 421 controlled by electronic control unit ECU, and can manually operated the first manually operated valve 412, the second manually operated valve 422.The first solenoid valve 411 is located on the supply air line 2 between combustion gas filter cleaner 3 and fuel gas injection system 5; The first manually operated valve 412 is serially connected on the rear end pipeline of the first solenoid valve 411.The rear end pipeline connection of one end of fuel gas injection system 5 and the first manually operated valve 412, the other end of fuel gas injection system 5 is communicated with gas engine 6.Gas exhaust piping (dotted line frame part as shown in Figure 2) and the first manually operated valve 412 and fuel gas injection system 5 pipeline connection between the two.Wherein in gas exhaust piping, be provided with successively the second solenoid valve 421, the second manually operated valve 422 and vent systems 7.
The working procedure of the present embodiment 1 in gas engine supply air line is as follows:
Gas engine is in the time of normal working: two manually operated valves 412,422 are held open state; Air supply system 1 is opened air feed; ECU controls the first solenoid valve 411 and opens, and the second solenoid valve 421 cuts out; Combustion gas, by supply air line 2, through filtration and the control of fuel gas injection system 5 to its flow and pressure of combustion gas filter cleaner 3, is supplied with gas engine 6.
When gas engine need to be shut down: two manually operated valves 412,422 are held open state; Air supply system 1 is closed air feed; ECU controls the first solenoid valve 411 and closes, and the second solenoid valve 421 is opened; Combustion gas remaining in supply air line 2, by the second solenoid valve 421 and the second manually operated valve 422, is discharged and is entered atmosphere via vent systems 7.
When one or two in two solenoid valves of being controlled by electronic control unit ECU 411,421 break down while losing efficacy: air supply system 1 is closed air feed; Manually close the first manually operated valve 412, open the second manually operated valve 422; If, in opening state, in supply air line 2, the second solenoid valve 421 and the second manually operated valve 422 were passed through in remaining combustion gas, discharged supply air line via vent systems 7 when the second solenoid valve 421 loses efficacy; If, in closed condition, combustion gas remaining in supply air line 2 temporarily cannot be discharged when the second solenoid valve 421 loses efficacy, in the time that the second solenoid valve 421 recovers normal work, can discharge in time.
In reality, the supply air line of motor is sometimes long.In embodiment 1, if when staff finds solenoid valve failure, near motor, run to manually to close near air supply system the time that the first manually operated valve 412 needs will be long.Therefore, preferred embodiment 2 is further proposed on embodiment 1 basis.As shown in Figure 3, embodiment 2 gas engine supply air line interlock valve mechanism comprises the first solenoid valve 411, the second solenoid valve 421 controlled by electronic control unit ECU, and can manually operated the first manually operated valve 412, the second manually operated valve 422 and the 3rd manually operated valve 413.The first solenoid valve 411 is located on the supply air line 2 between combustion gas filter cleaner 3 and fuel gas injection system 5; The first manually operated valve 412 and the 3rd manually operated valve 413 are serially connected on the rear end pipeline of the first solenoid valve 411 successively; The rear end pipeline connection of one end of fuel gas injection system 5 and the 3rd manually operated valve 413, the other end of fuel gas injection system 5 is communicated with gas engine 6.Wherein the first manually operated valve 412 near combustion gas filter cleaner 3, the three manually operated valves 413 near fuel gas injection system 5.Pipeline connection between gas exhaust piping and the first manually operated valve 412 and the 3rd manually operated valve 413.Wherein in gas exhaust piping, be provided with successively the second solenoid valve 421, the second manually operated valve 422 and vent systems 7.
Gas engine is in normal working with need to shut down time, and in embodiment 2, three manually operated valves are all held open state, and other working procedure are identical with embodiment 1.
When one or two in two solenoid valves of being controlled by electronic control unit ECU 411,421 break down while losing efficacy: air supply system 1 is closed air feed; Can be according to staff's position, select manually to close the first manually operated valve 412 or the 3rd manually operated valve 413, also can all close; Open the second manually operated valve 422; If, in opening state, in supply air line 2, the second solenoid valve 421 and the second manually operated valve 422 were passed through in remaining combustion gas, discharged supply air line via vent systems 7 when the second solenoid valve 421 loses efficacy; If, in closed condition, combustion gas remaining in supply air line 2 temporarily cannot be discharged when the second solenoid valve 421 loses efficacy, in the time that the second solenoid valve 421 recovers normal work, can discharge in time.
Disclosed is above only two specific embodiments of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (3)
1. a gas engine supply air line interlock valve mechanism, is located in the supply air line between air supply system and gas engine, can control the open and close of supply air line, it is characterized in that, comprising:
The first solenoid valve, it is located between the combustion gas filter cleaner and fuel gas injection system in supply air line;
The first manually operated valve, it is located on the rear end supply air line of described the first solenoid valve;
Gas exhaust piping, it is communicated with the supply air line between described the first manually operated valve and fuel gas injection system, discharges for the remaining combustion gas of controlling supply air line; On described gas exhaust piping, be provided with successively the second solenoid valve and the second manually operated valve by discharge directions;
When motor is during in normal working, the first manually operated valve, the second manually operated valve and the first solenoid valve are opened, the second closed electromagnetic valve; When motor is during in outage state, the first manually operated valve, the second manually operated valve and the second solenoid valve are opened, the first closed electromagnetic valve; In the time that the first solenoid valve lost efficacy, the first manually operated valve cuts out, and the second solenoid valve and the second manually operated valve are opened.
2. gas engine supply air line interlock valve according to claim 1 mechanism, it is characterized in that, also comprise the 3rd manually operated valve, described the 3rd manually operated valve is located on the supply air line between the first manually operated valve and fuel gas injection system and is positioned at the near-end of fuel gas injection system;
When motor is during in normal working, the first manually operated valve, the second manually operated valve, the 3rd manually operated valve and the first solenoid valve are opened, the second closed electromagnetic valve; When motor is during in outage state, the first manually operated valve, the second manually operated valve, the 3rd manually operated valve and the second solenoid valve are opened, the first closed electromagnetic valve; In the time that the first solenoid valve lost efficacy, any one in the first manually operated valve and the 3rd manually operated valve or two close, and the second solenoid valve and the second manually operated valve are opened.
3. gas engine supply air line interlock valve according to claim 1 and 2 mechanism, is characterized in that, described the second manually operated valve is connected with vent systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210439723.2A CN103807054B (en) | 2012-11-07 | 2012-11-07 | A kind of gas engine supply air line interlock valve mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210439723.2A CN103807054B (en) | 2012-11-07 | 2012-11-07 | A kind of gas engine supply air line interlock valve mechanism |
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| Publication Number | Publication Date |
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| CN103807054A true CN103807054A (en) | 2014-05-21 |
| CN103807054B CN103807054B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210439723.2A Active CN103807054B (en) | 2012-11-07 | 2012-11-07 | A kind of gas engine supply air line interlock valve mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963777A (en) * | 2015-07-13 | 2015-10-07 | 中船动力有限公司 | Engine gas valve group system and control method |
| CN107882657A (en) * | 2017-12-13 | 2018-04-06 | 安徽建筑大学 | Gas injection mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002295312A (en) * | 2001-03-29 | 2002-10-09 | Nissan Diesel Motor Co Ltd | Fuel supply device for gas engine |
| JP2003201921A (en) * | 2002-01-08 | 2003-07-18 | Honda Motor Co Ltd | Gas fuel supplying device |
| CN102680183A (en) * | 2012-04-28 | 2012-09-19 | 盐城市康杰机械制造有限公司 | Automatic gas leakage detecting device for gas aluminum brazing furnace |
| CN202926489U (en) * | 2012-11-07 | 2013-05-08 | 广西玉柴机器股份有限公司 | Interlocking valve mechanism for gas supply pipeline of gas engine |
-
2012
- 2012-11-07 CN CN201210439723.2A patent/CN103807054B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002295312A (en) * | 2001-03-29 | 2002-10-09 | Nissan Diesel Motor Co Ltd | Fuel supply device for gas engine |
| JP2003201921A (en) * | 2002-01-08 | 2003-07-18 | Honda Motor Co Ltd | Gas fuel supplying device |
| CN102680183A (en) * | 2012-04-28 | 2012-09-19 | 盐城市康杰机械制造有限公司 | Automatic gas leakage detecting device for gas aluminum brazing furnace |
| CN202926489U (en) * | 2012-11-07 | 2013-05-08 | 广西玉柴机器股份有限公司 | Interlocking valve mechanism for gas supply pipeline of gas engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963777A (en) * | 2015-07-13 | 2015-10-07 | 中船动力有限公司 | Engine gas valve group system and control method |
| CN104963777B (en) * | 2015-07-13 | 2018-04-27 | 中船动力有限公司 | Engine gas valve set system and control method |
| CN107882657A (en) * | 2017-12-13 | 2018-04-06 | 安徽建筑大学 | Gas injection mechanism |
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| Publication number | Publication date |
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| CN103807054B (en) | 2016-04-13 |
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