CN105673270A - Flame-proof type PTC air inlet preheating device of diesel engine - Google Patents
Flame-proof type PTC air inlet preheating device of diesel engine Download PDFInfo
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- CN105673270A CN105673270A CN201510057433.5A CN201510057433A CN105673270A CN 105673270 A CN105673270 A CN 105673270A CN 201510057433 A CN201510057433 A CN 201510057433A CN 105673270 A CN105673270 A CN 105673270A
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Abstract
The invention provides a flame-proof type PTC air inlet preheating device of a diesel engine. The device comprises a heater, and the heater is of a disc type structure; the heater comprises an inner cavity and is communicated with an air inlet manifold; the inner cavity is provided with a heating pipe in a shape of a coiled pipe, electric heating is adopted in the coiled pipe, and a power line of the coiled pipe is led out of a wire leading device locking device of the side face of the heater; the wire leading device locking device is of a sleeve structure and comprises a fixed seat, a sleeve and a pressing block, wherein the sleeve and the pressing block are coaxial; a threaded hole is formed in the middle of the fixed seat, the sleeve tightly ejects the pressing block, and the sleeve and the pressing block are jointly mounted in the threaded hole; and a hole allowing the power line to penetrate is formed between the sleeve and the pressing block, and a sealing ring is arranged between the pressing block and the fixed seat. The flame-proof type PTC air inlet preheating device is reliable in work, simple in structure, good in energy-saving emission-reduction effect and capable of meeting the surface temperature requirement of an IIBT4 type flame-proof diesel engine, the diesel engine can be helped to be started in cold weather, the surface temperature does not exceed 135 DEG C, and the flame-proof performance of the diesel engine is improved.
Description
Technical field
The present invention relates to anti-explosion diesel engine technical field, be specifically related to a kind of can by diesel engine starting surface temperature control diesel engine flame-proof type PTC air inlet heating device within the specific limits.
Background technology
The current producer's genus producing mine engines at home is generally based on east wind comings Diesel engine and is transformed into the producer of mine engines, there are certain popularity and technical capability at home, it is widely used at colliery and petroleum gas and inflammable and explosive industry, particular/special requirement due to mining diesel engine, high-pressure common rail anti-explosion diesel engine is presently mainly conventional automobile-used state III and above discharge standard electromotor, high-pressure common rail anti-explosion diesel engine on production facility of coalmine power source domestic market is imported product entirely, there is price height, spare parts purchasing difficulty, the problems such as maintenance cycle is long.
At present according to national requirements, what mine mainly adopted is IIBT4 class anti-explosion diesel engine, and its difference being different from general diesel engine is mainly manifested in the following aspects:
There are strict requirements to the surface temperature of body for IIBT4 class anti-explosion diesel engine, it is desirable to surface temperature control is below 135 DEG C;
Air inlet system and exhaust system to install fire retardant device additional;
Gas extraction system to install emission-control equipment additional, it is therefore an objective to EGT is down to less than 135 DEG C, and is got rid of by the Mars of exhaust residual;
Having protection arresting gear, namely when a certain monitoring index of electromotor is beyond safety requirements, electromotor must be reported to the police and shut down.
The heating-up temperature of heater plug or charge heating will reach more than 800 DEG C in the market, and engine surface temperature will can easily exceed 135 DEG C, it is impossible to meets IIBT4 class anti-explosion diesel engine requirement.
Summary of the invention
The technical problem to be solved is the deficiency for above-mentioned existence, there is provided one can meet IIBT4 class anti-explosion diesel engine surface temperature requirements, luminous energy does not help diesel engine to start in cold weather, and surface temperature is less than 135 degree DEG C, improve the diesel engine flame-proof type PTC air inlet heating device of the explosion-proof performance of diesel engine.
The technical solution adopted for the present invention to solve the technical problems is:
Diesel engine flame-proof type PTC air inlet heating device, it is characterized in that: include a heater, heater is tray type structure, after being arranged on the air inlet spark arrester of Diesel engine, being positioned at inlet manifold side, heater includes an internal cavity, and connect with inlet manifold, internal cavity is provided with the heat pipe that adds of coil shape, and coil adopts electrical heating, and its power line is drawn from the down-lead device locking device of heater side;Described down-lead device locking device is tube-in-tube structure, include fixing seat, coaxial sleeve and briquetting, wherein fix and in the middle of seat, be provided with screwed hole, sleeve holds out against briquetting and is jointly installed in screwed hole, the hole of power line traverse it is provided with mean in the middle of sleeve and briquetting, being provided with sealing ring between briquetting and fixing seat, its middle sleeve is externally provided with helical structure and screws and be installed in screwed hole.
In such scheme, described heater body is double-decker, and its outer layer is the air flue of annular, and internal layer is the spaced apart of internal cavity, outer layer and internal layer and leaves and connect pore, and gas flows into internal layer after outer flow.
In such scheme, described inlet manifold side is connected with heater by flange, and the diameter of inlet manifold lateral opening hole is identical with the size adding heat pipe.
In such scheme, described heater is connected to electrical autocontrol system, is provided with sensor in inlet manifold, and electrical autocontrol system connects the air inflow being connected detection inlet manifold with sensor, controls the heating power of heater according to air inflow.
Principles of the invention is to adopt heater that the air of inlet manifold is preheated, and can mate different heating powers according to different air inflows simultaneously, prevents engine surface temperature too high by controlling preheating temperature; Simultaneously for improving explosion-proof performance, adopt down-lead device locking device, power line is drawn.
The beneficial effects of the present invention is:
Reliable operation, simple in construction, effects of energy saving and emission reduction is good, can meet IIBT4 class anti-explosion diesel engine surface temperature requirements, and luminous energy does not help diesel engine to start in cold weather, and surface temperature is less than 135 degree DEG C, improves the explosion-proof performance of diesel engine.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of the embodiment of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the down-lead device locking device structure figure of the embodiment of the present invention;
In figure: 1 inlet manifold, 2 heaters, 3 fixing seats, 4 briquettings, 5 sleeves.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is further illustrated:
Diesel engine flame-proof type PTC air inlet heating device as shown in Fig. 1 Fig. 2 Fig. 3, include a heater 2, heater 2 is tray type structure, after being arranged on the air inlet spark arrester of Diesel engine, being positioned at inlet manifold 1 side, heater 2 includes an internal cavity, and connect with inlet manifold 1, internal cavity is provided with the heat pipe that adds of coil shape, and coil adopts electrical heating, and its power line is drawn from the down-lead device locking device of heater side; Described down-lead device locking device is tube-in-tube structure, include fixing seat 3, coaxial sleeve 5 and briquetting 4, wherein fix and be provided with screwed hole in the middle of seat 3, sleeve 5 holds out against briquetting 4 and is jointly installed in screwed hole, the hole of power line traverse it is provided with mean in the middle of sleeve 5 and briquetting 4, being provided with sealing ring between briquetting 4 and fixing seat 3, its middle sleeve 5 is externally provided with helical structure and screws and be installed in fixing seat 3 screwed hole.
In the present embodiment, described heater 2 is internal be double-decker, and its outer layer is annular air flue, and internal layer is the spaced apart of internal cavity, outer layer and internal layer and leaves and connect pore, and gas flows into internal layer after outer flow.
In the present embodiment, described inlet manifold 1 side is connected with heater 2 by flange, and the diameter of inlet manifold 1 lateral opening hole is identical with the size adding heat pipe.
In the present embodiment, described heater 2 is connected to electrical autocontrol system, is provided with sensor in inlet manifold 1, and electrical autocontrol system connects the air inflow being connected detection inlet manifold 1 with sensor, controls the heating power of heater according to air inflow.
The embodiment of the present invention is to adopt heater 2 that the air of inlet manifold 1 is preheated, and can mate different heating powers according to different air inflows simultaneously, prevents engine surface temperature too high by controlling preheating temperature; Simultaneously for improving explosion-proof performance, adopt down-lead device locking device, power line is drawn.
The Application Example being only the present invention described above, with this interest field limiting the present invention, therefore can not change according to the equivalence that the present patent application the scope of the claims is made, still belongs to protection scope of the present invention certainly.
Claims (4)
1. diesel engine flame-proof type PTC air inlet heating device, it is characterized in that: include a heater, heater is tray type structure, after being arranged on the air inlet spark arrester of Diesel engine, being positioned at inlet manifold side, heater includes an internal cavity, and connect with inlet manifold, internal cavity is provided with the heat pipe that adds of coil shape, and coil adopts electrical heating, and its power line is drawn from the down-lead device locking device of heater side; Described down-lead device locking device is tube-in-tube structure, include fixing seat, coaxial sleeve and briquetting, wherein fix and in the middle of seat, be provided with screwed hole, sleeve holds out against briquetting and is jointly installed in screwed hole, the hole of power line traverse it is provided with mean in the middle of sleeve and briquetting, being provided with sealing ring between briquetting and fixing seat, its middle sleeve is externally provided with helical structure and screws and be installed in screwed hole.
2. diesel engine flame-proof type PTC air inlet heating device as claimed in claim 1, it is characterised in that described heater body is double-decker, its outer layer is the air flue of annular, internal layer is the spaced apart of internal cavity, outer layer and internal layer and leaves and connect pore, and gas flows into internal layer after outer flow.
3. diesel engine flame-proof type PTC air inlet heating device as claimed in claim 1, it is characterised in that described inlet manifold side is connected with heater by flange, and the diameter of inlet manifold lateral opening hole is identical with the size adding heat pipe.
4. diesel engine flame-proof type PTC air inlet heating device as claimed in claim 1, it is characterized in that, described heater is connected to electrical autocontrol system, sensor is installed in inlet manifold, electrical autocontrol system connects the air inflow being connected detection inlet manifold with sensor, controls the heating power of heater according to air inflow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057433.5A CN105673270A (en) | 2015-02-04 | 2015-02-04 | Flame-proof type PTC air inlet preheating device of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057433.5A CN105673270A (en) | 2015-02-04 | 2015-02-04 | Flame-proof type PTC air inlet preheating device of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105673270A true CN105673270A (en) | 2016-06-15 |
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ID=56946757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510057433.5A Pending CN105673270A (en) | 2015-02-04 | 2015-02-04 | Flame-proof type PTC air inlet preheating device of diesel engine |
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| CN (1) | CN105673270A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60201062A (en) * | 1984-03-23 | 1985-10-11 | Hitachi Ltd | Combustion air heating device for emergency diesel generator |
| CN2104314U (en) * | 1991-07-22 | 1992-05-13 | 郑州郑深机电化工研究所 | Sunk mixed gas constant-temp. heating device for automobile |
| CN2184796Y (en) * | 1993-12-07 | 1994-12-07 | 许克行 | Energy saving device for automobile cold starting |
| CN1904341A (en) * | 2005-07-27 | 2007-01-31 | 石在涛 | Diesel oil motor vehicle oil box heater |
| CN202152701U (en) * | 2011-07-14 | 2012-02-29 | 安徽江淮汽车股份有限公司 | 24 V electric control system of 2.8 L diesel engine |
-
2015
- 2015-02-04 CN CN201510057433.5A patent/CN105673270A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60201062A (en) * | 1984-03-23 | 1985-10-11 | Hitachi Ltd | Combustion air heating device for emergency diesel generator |
| CN2104314U (en) * | 1991-07-22 | 1992-05-13 | 郑州郑深机电化工研究所 | Sunk mixed gas constant-temp. heating device for automobile |
| CN2184796Y (en) * | 1993-12-07 | 1994-12-07 | 许克行 | Energy saving device for automobile cold starting |
| CN1904341A (en) * | 2005-07-27 | 2007-01-31 | 石在涛 | Diesel oil motor vehicle oil box heater |
| CN202152701U (en) * | 2011-07-14 | 2012-02-29 | 安徽江淮汽车股份有限公司 | 24 V electric control system of 2.8 L diesel engine |
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Application publication date: 20160615 |