CN1260471C - Self temperature limiting heater for diesel engine oil supply system - Google Patents
Self temperature limiting heater for diesel engine oil supply system Download PDFInfo
- Publication number
- CN1260471C CN1260471C CN 01135242 CN01135242A CN1260471C CN 1260471 C CN1260471 C CN 1260471C CN 01135242 CN01135242 CN 01135242 CN 01135242 A CN01135242 A CN 01135242A CN 1260471 C CN1260471 C CN 1260471C
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- Prior art keywords
- heating
- oil
- supply system
- pipe
- power supply
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- 239000010710 diesel engine oil Substances 0.000 title claims description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 59
- 239000003921 oil Substances 0.000 claims abstract description 27
- 239000000446 fuel Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002283 diesel fuel Substances 0.000 claims description 22
- 239000002828 fuel tank Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 abstract description 4
- 239000000295 fuel oil Substances 0.000 abstract description 2
- 230000008021 deposition Effects 0.000 description 17
- 238000007789 sealing Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to a self temperature limited heating device of an oil supply system of a diesel motor, which comprises a power supply and a PCT heating sleeve pipe which is arranged in an oil tank and is integrated with an oil suction pipe. The present invention is characterized in that heating bands which are laid on an oil delivery pipe and an oil return pipe, a heating disk band which is arranged in the oil tank and heating sleeves which cover an oil-water separator and a fuel filter are additionally arranged; the heat bands, the heating disk band and the heating sleeve are respectively connected with the power supply by a switch to control the self temperature limited heating of the oil supply system of the diesel motor. The device uses a PCT electric heating element for whole range heating from the oil tank to an oil pump, and thus, fuel oil can be heated above a solidifying point in several minutes. The problems of cold starting and normal operation of the diesel motor can be effectively solved, and the present invention has the advantages of high efficiency, low consumption, flame resistance, safety and security, and is an ideal electric heating device of the oil supply system of the diesel motor.
Description
Technical field
The invention provides a kind of self temperature limiting heater for diesel engine oil supply system, specifically is the heat treating device of a kind of diesel fuel of design before the input motor.
Background technique
In cold season, owing to the solidifying of some component in the fuel oil (particularly diesel oil) blocked oil supply system, cause and be difficult to the motor normal fuel injection, making with diesel oil etc. is the motor vehicle such as automobile, steamer, internal combustion locomotive, rig of power and equipment can't start or normally operation, all cause huge direct and indirect economic loss every year, bring very big inconvenience to people.
At present, domestic existing employing PTC (positive temperature coefficient) element is made the patented technology report that heating apparatus solves fuel sucking pipe wax deposition problem in the cryogenic conditions lower fuel tank, as the patent No. is ZL 95221563.2 " diesel engine low-temperature startup device ", adopt the PTC sheet heating element to the fuel tank suction filter, transport pipe, return tube, diesel-oil filter, engine intake heats, wherein, the fuel tank suction filter, diesel-oil filter is that element is placed in the inside, be immersed in the diesel oil, transport pipe and return tube are put 10 PTC elements for every meter, shortcoming is that element seals difficulty in oil, and the segmentation heating is inhomogeneous; The patent No. is " the diesel oil heater " of ZL 95210992.1 for another example, sheet PTC heater element is placed the both sides of heating pipe, become heater, be installed in fuel tank fuel sucking pipe lower end with other component-assembled, shortcoming is the heating that only solves the fuel sucking pipe lower end, and has sealing problem equally; Also having the patent No. is ZL 97212885 " automobile oil circuit heater ", this model utility is a kind of automobile oil circuit heating apparatus, its structure includes the interior fuel sucking pipe of band heater, heating element in the heater is the PTC ribbon heater that the cross section is the C type, some inserts the ribbon heater in the interior fuel sucking pipe, some is outside fuel sucking pipe in addition, with bag outer transport pipe of card and winding filter cleaner, shortcoming is that insert in the interior fuel sucking pipe ribbon heater, reduced the useful area of fuel sucking pipe, influenced oil transportation, moreover be that electrode is difficult to draw from oil pipe, the heating tape, the fixing operation of thermal insulating material is loaded down with trivial details, is difficult to carry out.We have also done some improvement to the self temperature limiting heater of diesel engine oil supply system, and applied for patent with " PTC from limit warm sleeve formula fuel heating device ", application number " 98110425 ", the main PTC sleeve pipe that adopts heats whole fuel sucking pipe, solved the problem that in the past only heats fuel sucking pipe part and heat generating material and electrode sealing difficulty, but diesel fuel other stroke before the input motor is not done heat treatment, can't effectively solve the cold start-up and the normal operation problem of diesel engine.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can overcome above-mentioned defective, fire-retardant, safety, the good self temperature limiting heater for diesel engine oil supply system of usability.
The object of the present invention is achieved like this:
Comprise that being installed in the fuel tank with fuel sucking pipe is the PTC heating muff of one, it is characterized in that: set up the heating tape on be laid in transport pipe and the return tube, be installed in the heating dribbling in the fuel tank and be coated on oil and water seperator, heating resistance collar on the diesel-oil filter, the heating tape comprises two metal films, ptc material and sheath, one of them electrode connects positive source through switch, another ground connection, outwards be coated with ptc material around two metal films successively, sheath constitutes the ribbon heater, be coated with thermal insulation layer after fitting into one with transport pipe or return tube, and fix with fixing belt, be used for the heating of the diesel oil in transport pipe and the return tube, heating dribbling and heating resistance collar connect power supply by switch control respectively.
Described self temperature limiting heater for diesel engine oil supply system, the heating dribbling comprises two metal films, ptc material, sheath and copper pipes, one of them electrode connects positive source through switch, another ground connection, outwards be coated with ptc material, sheath and copper pipe around two metal films successively and constitute the ribbon heater, the bending coiling gets final product then, places fuel tank can the diesel oil of fuel tank be heated.
The present invention compared with prior art, on the basis that reservation PTC sleeve pipe heats whole fuel sucking pipe, adopt the PTC electric heating element before diesel oil to be carried out the whole process heating to the input oil pump from fuel tank, overcome in original technology element and in oil, sealed difficulty, the segmentation heating is inhomogeneous, take the fuel sucking pipe useful area, influence oil transportation, defectives such as complicated operation, just can be in a few minutes fuel heating to more than the condensation point, can effectively solve the cold start-up and the normal operation problem of diesel engine, efficiently, low consumption, fire-retardant, safety is current comparatively desirable diesel engine oil supply system Electric heating appliance.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the structural representation of middle oil pipe heating embodiment illustrated in fig. 1;
Fig. 3 is the cross section structure schematic representation of middle heating dribbling embodiment illustrated in fig. 1;
Fig. 4 is the structural representation that the heating dribbling is adopted in middle fuel tank embodiment illustrated in fig. 1 bottom.
Embodiment
Among the figure: 1, diesel oil 2, heating dribbling 3, PTC heating muff 4, power supply 5, return tube 6～9, switch 10, fuel tank 11, transport pipe 12, oil and water seperator 13, heating resistance collar 14, diesel-oil filter 15, high-pressure service pump 16, motor 17, electrode 18, fixing belt 19, ptc material 20, sheath 21, thermal insulation layer 22, copper pipe 23, fixed block
In the embodiment shown in Fig. 1～4: PTC heating muff 3 is installed in the fuel tank 10 and is integrated with fuel sucking pipe, and connect power supply 4 through switch 8, be used for whole fuel sucking pipe heated, solved the problem that in the past only heats fuel sucking pipe part and heat generating material and electrode sealing difficulty; Heating dribbling 2 comprises two metal films 17, ptc material 19, sheath 20 and copper pipe 22, one of them electrode 17 connects power supply 4 positive poles through switch 8, another ground connection, outwards be coated with ptc material 19, sheath 20 and copper pipe 22 around two metal films 17 successively, constitute the ribbon heater, the bending coiling gets final product then, and being fixed in by fixed block 23 can be to diesel oil 1 heating wherein in the fuel tank 10.Transport pipe 11 and return tube 5 adopt the mode of fixing with fixing belt 18 with heating tape applying outsourcing thermal insulation layer 21, outermost surface to heat, the heating tape comprises two metal films 17, ptc material 19 and sheath 20, outwards be coated with ptc material 19, sheath 20 around two metal films 17 successively, 17 1 of two metal films of heating tape and 4 anodal connections of power supply, another bonding, establish switch 7 and switch 9 in the circuit, control heating respectively diesel oil 1 in transport pipe 11, the return tube 5; Many heating tapes are in parallel fixing, just constitute heating resistance collar 13, are coated on oil and water seperator 12, the diesel-oil filter 14, connect power supply 4 positive poles through switch 6, are used for the diesel oil in oil and water seperator 12, the diesel-oil filter 14 is heated.
For confirming the effect of this heating equipment, we have installed this heating equipment on 5 tons of Isuzu Motors trucies, and following table is Medium Truck winter 0
#The data of diesel oil cold start-up and running test:
| Numbering | Forecast temperature (℃) | Ambient temperature (℃) | Actual oil temperature (℃) | Wax deposition whether | Preheat time (min) | The sparking situation | The duration of operation (min) |
| 1 2 3 4 5 6 7 8 9 10 11 12 | - - - - -2～1 -9～-3 -5～3 - -6～0 -8～2 -3～5 -3～6 | 2 -1 -2 0 -1 -3 1 -2 0 -1 1 -2 | - -1.8 -2 0 -4.5 -7.8 -3.3 -3.0 -1.5 -3 2 -2.8 | Wax deposition wax deposition wax deposition wax deposition wax deposition wax deposition wax deposition wax deposition wax deposition wax deposition is wax deposition not | 15 10 10 5 10 15 10 10 5 11 0 0 | Success success success success success success success success success success success success | ＞60＞60＞60＞60＞60＞60＞60＞60＞60＞60＞60 30min are flame-out |
By learning in the table, adopt the combined heated device of being developed, 0
#Heat cold start-up success, and continuously-running under the situation of diesel oil wax deposition (particularly-7.8 ℃ of height of oil temperature wax deposition).Illustrate that this heating equipment proves effective to the cold start-up and the normal operation of 24V power supply truck very much, this can't realize under no heating equipment situation at all.
And under the situation that wax deposition does not heat (12
#Test), though the cold start-up success, operation is promptly stopped working because of wax deposition half an hour, and this illustrates that from another point of view heating equipment has also played very crucial effect to normal operation.
Claims (2)
1, a kind of self temperature limiting heater for diesel engine oil supply system, it comprises that being installed in the fuel tank (10) with fuel sucking pipe is the PTC heating muff (3) of one, it is characterized in that: set up the heating tape on transport pipe that is laid in (11) and the return tube (5), be installed in the heating dribbling (2) in the fuel tank (10) and be coated on oil and water seperator (12), heating resistance collar (13) on the diesel-oil filter (14), the heating tape comprises two metal films (17), ptc material (19) and sheath (20), one of them electrode (17) connects power supply (4) positive pole through switch, another ground connection, outwards be coated with ptc material (19) around two metal films (17) successively, sheath (20) constitutes the ribbon heater, be coated with thermal insulation layer (21) after fitting into one with transport pipe (11) or return tube (5), and fixing with fixing belt (18), heating dribbling (2) and heating resistance collar (13) connect power supply (4) by switch control respectively.
2, self temperature limiting heater for diesel engine oil supply system as claimed in claim 1, it is characterized in that: heating dribbling (2) comprises two metal films (17), ptc material (19), sheath (20) and copper pipe (22), one of them electrode (17) connects power supply (4) positive pole through switch, another ground connection, outwards be coated with ptc material (19), sheath (20) and copper pipe (22) around two metal films (17) successively and constitute the ribbon heater, the bending coiling gets final product then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01135242 CN1260471C (en) | 2001-12-12 | 2001-12-12 | Self temperature limiting heater for diesel engine oil supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01135242 CN1260471C (en) | 2001-12-12 | 2001-12-12 | Self temperature limiting heater for diesel engine oil supply system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1425851A CN1425851A (en) | 2003-06-25 |
| CN1260471C true CN1260471C (en) | 2006-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01135242 Expired - Fee Related CN1260471C (en) | 2001-12-12 | 2001-12-12 | Self temperature limiting heater for diesel engine oil supply system |
Country Status (1)
| Country | Link |
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| CN (1) | CN1260471C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITBO20040800A1 (en) * | 2004-12-23 | 2005-03-23 | Magneti Marelli Powertrain Spa | OF THE FUEL AND CONSEQUENTLY CONSTRUCT THE COLD START OF AN INTERNAL COMBUSTION ENGINE. |
| DE102005037201A1 (en) * | 2005-08-06 | 2007-02-22 | Eichenauer Heizelemente Gmbh & Co. Kg | heating system |
| CN100416076C (en) * | 2006-06-07 | 2008-09-03 | 浙江工业大学 | Diesel Vehicle Low Pressure Fuel Supply System |
| CN102116226A (en) * | 2010-12-28 | 2011-07-06 | 中国第一汽车集团公司 | Electric-cooling liquid mixed fuel heating system |
| CN106483004B (en) * | 2015-08-26 | 2021-07-16 | 徕卡显微系统(上海)有限公司 | Paraffin distribution device for embedding machine and embedding machine with paraffin distribution device |
| CN107339175A (en) * | 2016-11-18 | 2017-11-10 | 安徽江淮汽车集团股份有限公司 | A kind of diesel oil thermostat and control method |
| CN111794882B (en) * | 2020-06-30 | 2022-05-10 | 东风越野车有限公司 | Oil supply heating method of diesel vehicle |
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2001
- 2001-12-12 CN CN 01135242 patent/CN1260471C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1425851A (en) | 2003-06-25 |
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| C14 | Grant of patent or utility model | ||
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Owner name: CHINA PETROLEUM & CHEMICAL CORPORATION Free format text: FORMER OWNER: QILU PETROCHEMICAL GROUP CO., CHINA PETROCHEMICAL CORP. Effective date: 20080104 |
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Effective date of registration: 20080104 Address after: Linzi Zibo District, Shandong province Sinopec Qilu Branch of science and technology Patentee after: Sinopec Corp. Address before: 124 mailbox, Linzi District, Zibo, Shandong Patentee before: Qilu Petrochemical Co., China Petrochemical Group Corp. |
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| C17 | Cessation of patent right | ||
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Granted publication date: 20060621 Termination date: 20131212 |