CN103511313B - Ventilation travel switch mounting arrangements structure between combustion engine rock gas - Google Patents
Ventilation travel switch mounting arrangements structure between combustion engine rock gas Download PDFInfo
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- CN103511313B CN103511313B CN201310416467.XA CN201310416467A CN103511313B CN 103511313 B CN103511313 B CN 103511313B CN 201310416467 A CN201310416467 A CN 201310416467A CN 103511313 B CN103511313 B CN 103511313B
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- limit switch
- position limit
- outlet damper
- wind channel
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Abstract
The present invention relates to ventilation travel switch mounting arrangements structure between a kind of combustion engine rock gas.The present invention includes blower fan between rock gas, wind channel tube, position limit switch, outlet damper connecting lever; Between wind channel tube with rock gas, blower fan is connected, and form air channel in wind channel tube, wind channel tube is provided with position limit switch installation position, and position limit switch installation position is positioned on the lift path of outlet damper connecting lever; Position limit switch has often leaves node, normally closed node, action connecting lever; It is characterized in that: position limit switch installation position is located at the bottom of wind channel tube; Position limit switch is positioned at the bottom of wind channel tube, is arranged on position limit switch installation position; The terminated line of normally closed node two; Outlet damper connecting lever coordinates with action connecting lever.Reasonable in design of the present invention, reliable performance, simple, convenient easy, low cost.
Description
Technical field
The present invention relates to ventilation travel switch mounting arrangements structure between a kind of combustion engine rock gas.
Background technique
Combustion engine be current countries in the world generally acknowledge environment-friendly high-efficiency generator set, in recent years China introduce in a large number be similar to 9E type combustion engine band combustion engine rock gas between blower fan combustion gas wheel Combined Cycle Unit.
Between combustion engine rock gas, the object of blower fan complete sets of equipment is ventilated exactly, is prevented gas accumulation and produce blast.Between current band combustion engine rock gas, the external ventilation position limit switch of the gas turbine group of blower fan is all adopt to install on the upper run switch installation position 9 in such as Fig. 2 without exception, and position limit switch adopts the mounting arrangements mode often opening node two terminated line.Often following unsafe factor is there is and causes combustion engine trip accident in former position limit switch mounting technique scheme in the unit operation of reality:
1, there is blower fan when exerting oneself certain, be not enough to overcome the downward gravity of outlet damper and make connecting lever fully rise to the height at top, air channel, thus make the position limit switch being installed on connecting lever top cannot regular event.
2, other high-power power consumption subsidiary engine of combustion engine starts moment and draft fan between rock gas may be caused to exert oneself temporarily die down, make connecting lever lifting height decline in short-term and make position limit switch change into abnormal condition.
3, ventilation duct joint slightly leak out, outlet damper connecting lever joining shaft place get rusty after the factors such as frictional force increases, import door between rock gas is opened position limit switch all may be caused to change into abnormal condition.
Summary of the invention
The object of the invention is to overcome above shortcomings in prior art, and ventilation travel switch mounting arrangements structure between the combustion engine rock gas that a kind of reasonable in design, reliable performance, simple, convenient easy, low cost be provided.
The present invention's adopted technological scheme that solves the problem is: ventilation travel switch mounting arrangements structure between a kind of combustion engine rock gas, comprises blower fan between rock gas, wind channel tube, position limit switch, outlet damper connecting lever; Between wind channel tube with rock gas, blower fan is connected, and form air channel in wind channel tube, wind channel tube is provided with position limit switch installation position, and position limit switch installation position is positioned on the lift path of outlet damper connecting lever; Position limit switch has often leaves node, normally closed node, action connecting lever; It is characterized in that: position limit switch installation position is located at the bottom of wind channel tube; Position limit switch is positioned at the bottom of wind channel tube, is arranged on position limit switch installation position; The terminated line of normally closed node two; Outlet damper connecting lever coordinates with action connecting lever.
Outlet damper connecting lever of the present invention controls by the outlet damper installed in air channel; During the non-lifting of outlet damper, the described non-lifting of outlet damper connecting lever, outlet damper connecting lever contacts with action connecting lever, the action connecting lever pressurized of position limit switch, and normally closed node is opened; During the stressed lifting of outlet damper, described outlet damper connecting lever lifting, after outlet damper connecting lever lifting certain altitude, described outlet damper connecting lever and action connecting lever depart from, and the action connecting lever action of position limit switch makes normally closed node in position limit switch close.
The present invention compared with prior art, has the following advantages and effect:
1, existing equipment device is utilized, change the relative installation relation of original equipment product and the back panel wiring mode of mechanical cooperation and former position limit switch, what just energy was safer realizes former design safety requirement, improves the flexible movements Security of complete ventilation equipment group;
2, expense is low, extends relevant complete sets of equipment working life, reduces that equipment spare unit take, the cost of overhaul, Installation and Debugging expense and later maintenance expense;
3, design simple, implement convenient, be beneficial to and alleviate electricity and build and the workload of commissioning staff and operating maintenance personnel and labor intensity, accelerate the progress of engineering;
4, complete sets of equipment opposing external disturbance ability is strong, effectively can resist vibration equipment, frictional force increases, equipment exerts oneself the external actions such as reduction, minor leakage, reduces combustion engine trip accident;
5, be beneficial to the economical operation of combustion engine long-term safety, often once shut down tripping operation less, will the raising of Security be brought, and reduce the waste of rock gas, be easy to realize, be worthy to be popularized;
6, can be widely used in building combustion engine project, the maintenance of constructed item and other item class like on equipment, thus produce certain Economy and effects of energy saving and emission reduction.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the structural representation of embodiment of the present invention position limit switch.
Embodiment
Below in conjunction with accompanying drawing, also by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
See Fig. 1 and Fig. 2, the embodiment of the present invention comprises blower fan 1 between rock gas, wind channel tube 2, position limit switch 3, outlet damper connecting lever 4.
Wind channel tube 2 is connected with blower fan between rock gas 1, forms air channel in wind channel tube 2.The bottom of wind channel tube 2 is provided with position limit switch installation position 8, and position limit switch installation position 8 is positioned on the lift path of outlet damper connecting lever 4.
Position limit switch 3 has often leaves node 5, normally closed node 6, action connecting lever 7.Action connecting lever 7 is connected with normally closed node 6.Position limit switch 3 is positioned at the bottom of wind channel tube 2, is arranged on position limit switch installation position 8.Action connecting lever 7 contacts with outlet damper connecting lever 4.Position limit switch 3 mode of connection is the 6 liang of terminated lines of normally closed node.
Position limit switch 3 is the LSXA3K model micro limit switch of U.S. HoneywellMicroswitch.
The present invention changed original mode of connection as the two ends being connected to normally closed node 6 into by being originally connected to the two ends of often opening node 5, and the mounting point of position limit switch 3 is changed into position limit switch installation position 8 by original upper run switch installation position 9.
The mechanical cooperation of the improved complete sets of equipment of the manner is: outlet damper connecting lever 4 is connected with the outlet damper installed in air channel, control by outlet damper, during the non-lifting of outlet damper, the non-lifting of outlet damper connecting lever 4, outlet damper connecting lever 4 contacts with action connecting lever 7, action connecting lever 7 pressurized of position limit switch 3, normally closed node 6 is opened; When between rock gas blower fan 1 start after the air-flow of generation act on outlet damper through air channel, it is made to overcome gravity upwards lifting, outlet damper drives the upwards lifting of outlet damper connecting lever 4, after outlet damper connecting lever 4 lifting certain altitude, outlet damper connecting lever 4 and action connecting lever 7 depart from, action connecting lever 7 action of position limit switch 3 makes normally closed node 6 in position limit switch close, thus completes whole Mechanical course process.Outlet damper non-invention innovative content.
Because the present invention is based upon on the basis of blower fan complete sets of equipment device between original combustion engine rock gas, only change position limit switch 3 and the composite structure position of outlet damper and the mode of connection of position limit switch 3, simple, convenient easy, low cost; Simultaneously because the complete sets of equipment after employing the present invention can be applicable to the combined protection logical operation that former combustion engine blower motor actuating signal and external travel switching signal and valve station hazardous gas detect trip signal completely; and realize original design function; the above-mentioned various unsafe factor of effective elimination, improves complete sets of equipment Security simultaneously.
In addition, it should be noted that, the specific embodiment described in this specification, the shape, institute's title of being named etc. of its parts and components can be different, and the above content described in this specification is only to structure example of the present invention explanation.
Claims (1)
1. a ventilation travel switch mounting arrangements structure between combustion engine rock gas, comprises blower fan between rock gas, wind channel tube, position limit switch, outlet damper connecting lever; Between wind channel tube with rock gas, blower fan is connected, and form air channel in wind channel tube, wind channel tube is provided with position limit switch installation position, and position limit switch installation position is positioned on the lift path of outlet damper connecting lever; Position limit switch has often leaves node, normally closed node, action connecting lever; It is characterized in that: position limit switch installation position is located at the bottom of wind channel tube; Position limit switch is positioned at the bottom of wind channel tube, is arranged on position limit switch installation position; The terminated line of normally closed node two; Outlet damper connecting lever coordinates with action connecting lever; Described outlet damper connecting lever controls by the outlet damper installed in air channel; During the non-lifting of outlet damper, the described non-lifting of outlet damper connecting lever, outlet damper connecting lever contacts with action connecting lever, the action connecting lever pressurized of position limit switch, and normally closed node is opened; During the stressed lifting of outlet damper, described outlet damper connecting lever lifting, after outlet damper connecting lever lifting certain altitude, described outlet damper connecting lever and action connecting lever depart from, and the action connecting lever action of position limit switch makes normally closed node in position limit switch close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416467.XA CN103511313B (en) | 2013-09-13 | 2013-09-13 | Ventilation travel switch mounting arrangements structure between combustion engine rock gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416467.XA CN103511313B (en) | 2013-09-13 | 2013-09-13 | Ventilation travel switch mounting arrangements structure between combustion engine rock gas |
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| Publication Number | Publication Date |
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| CN103511313A CN103511313A (en) | 2014-01-15 |
| CN103511313B true CN103511313B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310416467.XA Active CN103511313B (en) | 2013-09-13 | 2013-09-13 | Ventilation travel switch mounting arrangements structure between combustion engine rock gas |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107695066A (en) * | 2017-10-30 | 2018-02-16 | 中船澄西船舶修造有限公司 | The anti-tampering air lock in dedusting air port |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2416417Y (en) * | 1999-10-08 | 2001-01-24 | 顾建军 | Induced draft fan |
| CN200975746Y (en) * | 2006-11-28 | 2007-11-14 | 王文华 | Device capable of changing airflow channel for warmer |
| CN201277636Y (en) * | 2008-08-01 | 2009-07-22 | 浙江普田电器有限公司 | Exhaust apparatus for range hood |
| CN203532295U (en) * | 2013-09-13 | 2014-04-09 | 华电电力科学研究院 | Gas turbine natural gas spacing ventilation stroke switch installation arrangement structure |
-
2013
- 2013-09-13 CN CN201310416467.XA patent/CN103511313B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2416417Y (en) * | 1999-10-08 | 2001-01-24 | 顾建军 | Induced draft fan |
| CN200975746Y (en) * | 2006-11-28 | 2007-11-14 | 王文华 | Device capable of changing airflow channel for warmer |
| CN201277636Y (en) * | 2008-08-01 | 2009-07-22 | 浙江普田电器有限公司 | Exhaust apparatus for range hood |
| CN203532295U (en) * | 2013-09-13 | 2014-04-09 | 华电电力科学研究院 | Gas turbine natural gas spacing ventilation stroke switch installation arrangement structure |
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| CN103511313A (en) | 2014-01-15 |
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