CN101865054B - Air heater for diesel - Google Patents
Air heater for diesel Download PDFInfo
- Publication number
- CN101865054B CN101865054B CN2010102058422A CN201010205842A CN101865054B CN 101865054 B CN101865054 B CN 101865054B CN 2010102058422 A CN2010102058422 A CN 2010102058422A CN 201010205842 A CN201010205842 A CN 201010205842A CN 101865054 B CN101865054 B CN 101865054B
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- Prior art keywords
- heater
- mica
- air heater
- housing
- rivet
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- 239000010445 mica Substances 0.000 claims abstract description 54
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 54
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 5
- 239000010935 stainless steel Substances 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 210000002435 tendon Anatomy 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 241000293001 Oxytropis besseyi Species 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 241000270295 Serpentes Species 0.000 abstract 1
- 238000005452 bending Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Abstract
The invention relates to an air heater for a diesel, comprising a shell, mica sheets and a heating element, wherein an assembly notch is arranged at the inner side of the shell; the mica sheets comprise a master mica sheet, a perforated mica sheet and an insulated mica sheet, wherein the perforated mica sheet externally covers one side of the master mica sheet, the insulated mica sheet externally covers one side of the perforated mica sheet away from the master mica sheet, and the three mica sheets are wrapped, fixed and arranged in the assembly notch by adopting stainless steel sheets; the heating element is a banding body, at least one rivet hole is arranged on the heating element at intervals of setting distance, the heating element is bent into a snake shape, all rivet holes are positioned at the bending part, and rivets pass through the rivet holes and are riveted with the master mica sheet. The invention can effectively prolong the service life by adopting the banding-shaped heating element, satisfy requirements of an engine with high-standard emission, improve the engine power and reduce the cost.
Description
Technical field
The present invention relates to a kind of heater, the air heater that particularly a kind of diesel engine preheating is used.
Background technique
Diesel engine air preheater is the equipment that diesel engine starts at low temperatures, is used for the air heating that gets into cylinder impelling diesel engine to light a fire to uniform temperature.
Past and the air heater that uses now, heater adopts circle silk or flat filament shape, curves snakelikely, and two ends retrain with ceramic component.Such structure has very big drawback: ceramic body is cracked easily, along with air-flow gets into cylinder, causes motor to damage; Heater just constraint is unfixing, the friction damage heater that vibration produces; For obtaining enough intensity, heater cross section Elongation is less, and surface area is less, and core temperature and surface temperature difference are bigger, and thermal cycle constantly causes the heater early fracture to lose efficacy.This structure can not heat stage by stage, is not suitable for the demand of high standard discharging motor.
In view of this, for solving the many disadvantages in the known air heater for diesel technology, the inventor is based on the research and development of association area, and constantly test and improvement of process, and then generation of the present invention is arranged.
Summary of the invention
The object of the present invention is to provide a kind of air heater for diesel, it adopts banded heater, can effectively improve the life-span, and satisfy the demand of high standard discharging motor, engine power is increased and can reduce cost.
For reaching above-mentioned purpose, a kind of air heater for diesel of the present invention, it comprises:
Housing, its inboard is provided with the assembling notch;
Sheet mica; It comprises main sheet mica, sheet mica with holes and insulating concrete mica plate; One side of said main sheet mica is covered with sheet mica with holes outward; Said sheet mica with holes is covered with insulating concrete mica plate outside the side away from said main sheet mica, the employing stainless steel sheets is fixed above-mentioned three cloudlet master slice inclusions and is installed in the assembling notch of housing; And
Heater, it is a shoestring, whenever is provided with at least one rivet hole at a distance from one section setpoint distance on the said heater, said heater is bent into snakelike, and each rivet hole is positioned at bend part, adopts rivet to pass said rivet hole and rivets with main sheet mica.
Described air heater for diesel wherein, also is provided with at least one screw via hole on the said housing.
Described air heater for diesel, wherein, the two ends of said heater are equipped with attachment hole, and screw passes said attachment hole successively and is connected with the screw via hole of housing and with nut thread, and heater and housing are interfixed.
Described air heater for diesel, wherein, that said attachment hole can be done is circular, open type or ellipse.
Described air heater for diesel, wherein, mounting spring packing ring between screw and heater, and metal washer and mica insulation packing ring are installed between heater and housing successively, between the screw via hole of screw and housing, insulation tube is installed.
Described air heater for diesel, wherein, said heater offers a plurality of slits along its length.
Described air heater for diesel wherein, also is provided with a plurality of convex tendons on the said heater.
Described air heater for diesel, wherein, the middle part between each elbow of said heater is formed with curved part.
Described air heater for diesel, wherein, said sheet mica with holes is provided with the rivet via hole, the diameter of said rivet via hole greater than rivet after the diameter of cap.
Described air heater for diesel, wherein, said housing is the aluminium casing of extruding and moulding.
Effect of the present invention is, adopts banded heater, and under identical sectional area condition, surface area enlarges several times, has reduced the heat load of heater per surface area, makes the internal-external temperature difference of heater reduce, and effectively improves the life-span.And after surface area increased, the length of heater can shorten, and was fit to heater and divided into groups, and realized heating stage by stage, satisfied the demand of high standard discharging motor.The serpentine configuration two ends are fixed on the mica material with rivet, avoid the vibration friction.Owing to adopt banded heater, take the long-pending minimizing of pipeline section, intake resistance reduces, and engine power increases.The present invention not only can satisfy actual demand through life test, reliability trial and adaptive, can also reduce cost.
Description of drawings
Fig. 1 is a stereogram of the present invention;
Fig. 2 is the stereogram of heater of the present invention;
Fig. 3 is the schematic cross-section of heater and sheet mica riveted joint among Fig. 1;
Fig. 4 A, Fig. 4 B and Fig. 4 C are respectively embodiment's schematic representation of the attachment hole of heater of the present invention;
Fig. 5 is the schematic cross-section of the screw via hole of Fig. 1 middle shell.
Description of reference numerals: 1-housing; 11-first limit; 12-second limit; 13-the 3rd limit; 14-the 4th limit; 15-assembles notch; The 2-stainless steel sheets; The 3-insulating concrete mica plate; The 4-sheet mica; 4 '-sheet mica with holes; 41-rivet via hole; The 15-heater; The 51-rivet hole; The 52-slit; The 53-convex tendon; The 54-attachment hole; The 55-curved part; The 61-screw; The 62-spring washer; The 63-metal washer; 64-mica insulation packing ring; The 65-insulation tube; The 66-nut; The 7-rivet.
Embodiment
About the present invention is the application target that reaches above-mentioned and effect and the technological means that adopted, enumerate preferable feasible embodiment, and shown in the conjunction with figs., details are as follows at present:
At first as shown in Figure 1; A kind of air heater for diesel of the present invention; Its shell is the aluminium casing 1 of extruding and moulding, and said housing 1 has four limits, be respectively first limit 11 that is positioned at the top, be positioned at the below second limit 12, be positioned at the 3rd limit 13 in left side and be positioned at the 4th limit 14 on right side.The inboard on said first limit 11 and second limit 12 is equipped with assembling notch 15, in order to heater 5 members such as grade to be installed.Be equipped with at least one screw via hole (not shown) on said the 3rd limit 13, the 4th limit 14.
As shown in Figure 2 again; Said heater 5 is the bar-shape body of broad; Whenever promptly be provided with at least one rivet hole 51 (in the present embodiment on it at a distance from one section setpoint distance; Said heater 5 whenever is provided with two rivet holes 51 at a distance from one section setpoint distance), said heater 5 is bent into snakelike, and guarantee that each rivet hole 51 is positioned at bend part.Said heater 5 offers a plurality of slits 52 along its length, is used to reduce the amount of deformation of heater 5.And, also be provided with a plurality of convex tendons 53 on the said heater 5, be used to strengthen the rigidity of heater 5.The two ends of heater 5 are equipped with attachment hole 54, are used for fixing with housing 1.In addition, can make the middle part between heater 5 each elbow form curved part 55, be used to absorb heater 5 and expand, shrink the distortion that produces.
As shown in Figure 3; Adopt the rivet hole 51 and main sheet mica 4 riveted joints of rivet 7 with bend part on the heater 5; Said main sheet mica 4 is covered with sheet mica 4 ' with holes outside the side away from heater 5, the diameter of the rivet via hole 41 on the said sheet mica 4 ' with holes greater than rivet after the diameter of cap.Said sheet mica 4 ' with holes is covered with insulating concrete mica plate 3 outside the side away from main sheet mica 4; And adopt stainless steel sheets 2 that three cloudlet master slices (main sheet mica 4, sheet mica with holes 4 ' and insulating concrete mica plate 3) inclusion is fixed, so that be installed in the assembling notch 15 of housing 1.
Fig. 4 A, Fig. 4 B, Fig. 4 C and shown in Figure 5 for another example, the attachment hole 54 that screw 61 is passed successively heater 5 is threaded with the screw via hole of housing 1 and with nut 66, and heater 5 and housing 1 are interfixed.Said attachment hole 54 can be done circular (Fig. 2), open type (Fig. 4 A or Fig. 4 B) or ellipse (Fig. 4 C) as required.The screw via hole can be made into open type or closed type equally.But mounting spring packing ring 62 between this external screw 61 and the heater 5 makes screw 61 and nut 66 be difficult for unclamping.And metal washer 63 and mica insulation packing ring 64 can be installed between heater 5 and housing 1 successively, between the screw via hole of screw 61 and housing 1, insulation tube 65 be installed.
In sum, air heater heater of the present invention adopts banded heater, and under identical sectional area condition, surface area enlarges several times, has reduced the heat load of heater per surface area, makes the internal-external temperature difference of heater reduce, and effectively improves the life-span.And after surface area increased, the length of heater can shorten, and was fit to heater and divided into groups, and realized heating stage by stage, satisfied the demand of high standard discharging motor.The serpentine configuration two ends are fixed on the mica material with rivet, avoid the vibration friction.Owing to adopt banded heater, take the long-pending minimizing of pipeline section, intake resistance reduces, and engine power increases.Air heater of the present invention through life test, reliability trial and adaptive, not only can satisfy actual demand, can also reduce cost.
More than explanation is just illustrative for the purpose of the present invention; And nonrestrictive, those of ordinary skills understand, under the situation of spirit that does not break away from claim and limited and scope; Can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.
Claims (10)
1. an air heater for diesel is characterized in that, comprises:
Housing, its inboard is provided with the assembling notch;
Sheet mica; It comprises main sheet mica, sheet mica with holes and insulating concrete mica plate; One side of said main sheet mica is covered with sheet mica with holes outward; Said sheet mica with holes is covered with insulating concrete mica plate outside the side away from said main sheet mica, the employing stainless steel sheets is fixed above-mentioned three cloudlet master slice inclusions and is installed in the assembling notch of housing; And
Heater, it is a shoestring, whenever is provided with at least one rivet hole at a distance from one section setpoint distance on the said heater, said heater is bent into snakelike, and each rivet hole is positioned at bend part, adopts rivet to pass said rivet hole and rivets with main sheet mica.
2. air heater for diesel according to claim 1 is characterized in that, also is provided with at least one screw via hole on the said housing.
3. air heater for diesel according to claim 2 is characterized in that the two ends of said heater are equipped with attachment hole, and screw passes said attachment hole successively and is connected with the screw via hole of housing and with nut thread, and heater and housing are interfixed.
4. air heater for diesel according to claim 3 is characterized in that, that said attachment hole can be done is circular, open type or ellipse.
5. air heater for diesel according to claim 3; It is characterized in that; Mounting spring packing ring between screw and heater, and metal washer and mica insulation packing ring are installed between heater and housing successively, between the screw via hole of screw and housing, insulation tube is installed.
6. air heater for diesel according to claim 1 is characterized in that said heater offers a plurality of slits along its length.
7. air heater for diesel according to claim 1 is characterized in that, also is provided with a plurality of convex tendons on the said heater.
8. air heater for diesel according to claim 1 is characterized in that, the middle part between each elbow of said heater is formed with curved part.
9. air heater for diesel according to claim 1 is characterized in that, said sheet mica with holes is provided with the rivet via hole, the diameter of said rivet via hole greater than rivet after the diameter of cap.
10. air heater for diesel according to claim 1 is characterized in that, said housing is the aluminium casing of extruding and moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102058422A CN101865054B (en) | 2010-06-21 | 2010-06-21 | Air heater for diesel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102058422A CN101865054B (en) | 2010-06-21 | 2010-06-21 | Air heater for diesel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101865054A CN101865054A (en) | 2010-10-20 |
| CN101865054B true CN101865054B (en) | 2012-01-11 |
Family
ID=42956937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102058422A Active CN101865054B (en) | 2010-06-21 | 2010-06-21 | Air heater for diesel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101865054B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273805A (en) * | 2018-03-17 | 2019-09-24 | 紫光汽车零部件襄阳有限公司 | A kind of engine cold-starting device |
| CN110536493A (en) * | 2019-09-18 | 2019-12-03 | 扬州宝珠电器有限公司 | A kind of riveted type fever tablet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200968244Y (en) * | 2005-05-09 | 2007-10-31 | 菲利普斯&坦洛工业有限公司 | Warm-air furnace |
| CN201292899Y (en) * | 2008-10-27 | 2009-08-19 | 柯桂华 | Engine cylinder air-intake preheater |
| CN201396227Y (en) * | 2009-05-12 | 2010-02-03 | 南京奥联汽车电子电器有限公司 | Electrical heating grilling type air intake pre-heater |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004004551A1 (en) * | 2004-01-29 | 2005-08-25 | Beru Ag | Heating flange for preheating the intake air for an internal combustion engine |
| CN201818399U (en) * | 2010-06-21 | 2011-05-04 | 董国庆 | Air heater of diesel engine |
-
2010
- 2010-06-21 CN CN2010102058422A patent/CN101865054B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200968244Y (en) * | 2005-05-09 | 2007-10-31 | 菲利普斯&坦洛工业有限公司 | Warm-air furnace |
| CN201292899Y (en) * | 2008-10-27 | 2009-08-19 | 柯桂华 | Engine cylinder air-intake preheater |
| CN201396227Y (en) * | 2009-05-12 | 2010-02-03 | 南京奥联汽车电子电器有限公司 | Electrical heating grilling type air intake pre-heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101865054A (en) | 2010-10-20 |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20180116 Address after: 100144 Badachu high tech park in Shijingshan District, Beijing Patentee after: BEIJING AOBO AUTOMOTIVE ELECTRONIC & ELECTRIC APPLIANCE CO., LTD. Address before: 065201 Yanjiao town Sanhe Hebei province Yifeng Street Patentee before: Dong Guoqing |