CN219638960U - Embedded diesel engine air inlet heater - Google Patents
Embedded diesel engine air inlet heater Download PDFInfo
- Publication number
- CN219638960U CN219638960U CN202320385455.4U CN202320385455U CN219638960U CN 219638960 U CN219638960 U CN 219638960U CN 202320385455 U CN202320385455 U CN 202320385455U CN 219638960 U CN219638960 U CN 219638960U
- Authority
- CN
- China
- Prior art keywords
- embedded
- diesel engine
- air inlet
- engine air
- air intake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005485 electric heating Methods 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- 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
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Resistance Heating (AREA)
Abstract
The utility model discloses an embedded diesel engine air inlet heater which comprises a shell embedded and installed in an air inlet pipeline, wherein an insulating support is arranged in the shell, a spiral electric heating sheet is installed on the insulating support, and two ends of the spiral electric heating sheet are provided with electric terminals which penetrate through the outer wall of the shell. The embedded diesel engine air inlet heater provided by the utility model belongs to the technical field of engine air inlet heating, and is simple in design, reasonable in structure, easy to process and manufacture, simple to implement, free of additional design and manufacture of an air inlet connecting pipe, simple and convenient to operate, low in cost and construction time, and less in modification and processing of an air inlet pipeline.
Description
Technical Field
The utility model relates to an engine intake air heating technology, in particular to an embedded diesel engine intake air heater.
Background
In low temperature environments, the engine generally requires a heating device to heat the air passing through the intake duct to start up smoothly. The existing air inlet heater of the diesel engine is generally a grid type heater, as shown in fig. 6, the grid type air inlet heater is generally stacked between an air inlet pipe and an air inlet connecting pipe, and if the original air inlet pipe and the air inlet connecting pipe have no gap reserved for installing the grid type air inlet heater, the air inlet connecting pipe needs to be additionally designed and changed. This is inconvenient for the engine of which the use is changed or the engine which has been purchased but which requires the addition of an intake air heater. In addition, since the grill heater is to be stacked between the intake pipe and the intake nipple, which makes its thickness limited by the space of the intake pipe, it cannot be designed too thick, otherwise the spatial position of the pipe is too varied to interfere with other parts on the engine, so that the grill heater is densely arranged on the same cross section, which increases the intake resistance to some extent, consuming more engine power.
Disclosure of Invention
The utility model aims to solve the technical problems of the prior art and aims to provide an embedded diesel engine air inlet heater.
In order to achieve the above purpose, the utility model provides an embedded diesel engine air inlet heater, which comprises a shell embedded and installed in an air inlet pipeline, wherein an insulating bracket is arranged in the shell, a spiral electric heating sheet is installed on the insulating bracket, and two ends of the spiral electric heating sheet are provided with electric terminals which are arranged through the outer wall of the shell.
Further, the electric terminal is of a bolt structure in threaded connection with the spiral electric heating plate, a nut structure in phase with the outer wall of the shell is arranged on the electric terminal, and an insulating gasket is arranged between the nut structure and the outer wall of the shell.
Further, the spiral electric heating fin is a spiral radiating fin with a radius which is gradually smaller and then gradually larger, and the spiral radiating fin is staggered in the axial direction.
Still further, the shell is the tubular shell, insulating support is including locating the cross board at shell inner chamber center, four tip of cross board are equipped with two to the extension of both ends slope and set up the extension board, each the tip of extension board with the inner wall connection of tubular shell, four tip and each of cross board be equipped with on the extension board and supply the location jack that spiral electrical heating sheet passed.
Furthermore, the positioning jacks on the support plates at the two ends of the four ends of the cross plate are staggered, and the distances between the positioning jacks on the support plates at the two ends and the center of the cross plate are different.
Furthermore, four clamping grooves which are respectively matched with the support plates on the four end parts of the cross plate are uniformly arranged on the inner wall of the cylindrical shell, and the two support plates on the four end parts of the cross plate are in sliding connection with the clamping grooves.
Furthermore, a plurality of heat-resistant silica gel strips which are uniformly arranged are arranged on the outer wall of the cylindrical shell in a protruding mode, and the cylindrical shell is embedded and installed in the air inlet pipeline through the plurality of heat-resistant silica gel strips.
Advantageous effects
Compared with the prior art, the embedded diesel engine air inlet heater has the following beneficial effects: the embedded diesel engine air inlet heater has the advantages of simple design of the whole structure, reasonable structure, easiness in processing and manufacturing, simplicity in implementation, no need of additionally designing and manufacturing an air inlet connecting pipe, reduction of cost and construction time, simplicity and convenience in operation, and less modification and processing of an air inlet pipeline.
Drawings
FIG. 1 is a schematic diagram of an embedded diesel engine intake heater of the present utility model;
FIG. 2 is a schematic view of the structure of the spiral electric heating plate in the present utility model;
FIG. 3 is a schematic view of the structure of an insulating support according to the present utility model;
FIG. 4 is a schematic view of the assembly of the spiral electric heating plate and the insulating bracket in the present utility model;
FIG. 5 is a schematic view of the structure of the housing of the present utility model;
fig. 6 is a schematic view of a prior art grill heater.
In the figure: 1. a housing; 2. an insulating support; 3. a spiral electric heating plate; 4. an electrical terminal; 5. a nut structure; 6. an insulating gasket; 7. a crisscross plate; 8. a support plate; 9. positioning the jack; 10. a clamping groove; 11. a heat resistant silica gel strip; 12. a mounting hole; 13. and a through hole.
Detailed Description
The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.
The specific embodiments of the present utility model are as follows: as shown in fig. 1-5, an embedded diesel engine air intake heater comprises a shell 1 embedded and installed in an air intake pipeline, wherein an insulating support 2 is arranged in the shell 1, the insulating support 2 is of a structure made of high-temperature resistant insulating materials, a spiral electric heating sheet 3 is installed on the insulating support 2, two ends of the spiral electric heating sheet 3 are provided with electric terminals 4 which penetrate through the outer wall of the shell 1, and the outer ends of the electric terminals 4 also penetrate through the pipe wall of the air intake pipeline.
The shell 1 of the embedded diesel engine air inlet heater can be embedded and installed in an air inlet pipeline of an engine, the spiral electric heating sheet 3 is installed in the shell 1 through the insulating support 2, the spiral electric heating sheet 3 is electrically connected with an external power supply through the electric connection terminal 4, the spiral electric heating sheet 3 is electrified, the spiral electric heating sheet 3 generates heat, and when air in the air inlet pipeline passes through the spiral electric heating sheet 3, the air is heated by the spiral electric heating sheet 3, so that the engine can be started smoothly, and the stable operation of the engine is ensured.
The embedded diesel engine air inlet heater can be quickly assembled at the pipe orifice of the original engine air inlet pipe, the shell 1 of the heater is installed and positioned on the air inlet pipe, the operation is simple and convenient, the improvement and the processing of the air inlet pipe are less, the whole structure is simple in design and easy to process and manufacture, the implementation is simple, the air inlet connecting pipe does not need to be additionally designed and manufactured, and the cost and the construction time are reduced; moreover, the air inlet heater only occupies the space in the air inlet pipeline, and does not interfere with external engine accessories; and the inner cavity of the shell 1 is provided with the spiral electric heating sheet 3, and the structure of the spiral electric heating sheet 3 avoids that the heating sheets are concentrated on the same section, namely the occupied area of the heating sheet structure on a single section is particularly small, so that the air inlet resistance is smaller than that of a traditional grid type heater, the air inlet smoothness of an engine is ensured, and the stable operation of the engine is ensured.
In this embodiment, the air inlet pipe is provided with a via-pin hole through which the power connection terminal 4 passes outwards, and an insulating sleeve can be designed between the via-pin hole and the power connection terminal 4 for insulating treatment.
In this embodiment, the electric terminal 4 is a bolt structure in threaded connection with the spiral electric heating plate 3, the electric terminal 4 is provided with a nut structure 5 in phase with the outer wall of the housing 1, an insulating washer 6 is arranged between the nut structure 5 and the outer wall of the housing 1, the part of the electric terminal 4 passing through the housing 1 is also sleeved with an insulating sleeve, the electric terminal 4 is prevented from contacting the housing 1, the nut structure 5 is prevented from contacting the housing 1 through the insulating washer 6, and insulation treatment is performed.
In this embodiment, the spiral electric heating sheet 3 is a spiral heat sink with a radius that gradually decreases and then gradually increases, mounting holes 12 through which the power connection terminals 4 pass are provided at both ends of the spiral electric heating sheet 3, and the spiral heat sinks are arranged in a staggered manner in the axial direction. The position of the mounting hole 12 is positioned at the maximum diameter of the two ends of the spiral electric heating sheet 3 and is close to the inner wall of the shell 1, so that the electric terminal can be conveniently mounted.
Namely, the centrifugal radius at the two ends of the spiral electric heating sheet 3 is large, the centrifugal radius in the middle is small, the spiral cooling sheets are not concentrated on the same air inlet flow section, the air inlet section with a small area is not provided, and the air inlet resistance is small. The radius is firstly increased and then decreased, so that both ends of the heating plate are at the maximum diameter and are close to the shell, and the binding post is convenient to install.
In this embodiment, the casing 1 is a cylindrical casing, the insulating support 2 includes a cross plate 7 disposed at the center of the inner cavity of the casing 1, four ends of the cross plate 7 are provided with two support plates 8 extending obliquely toward two ends, the ends of each support plate 8 are connected with the inner wall of the cylindrical casing, and four ends of the cross plate 7 and each support plate 8 are provided with positioning insertion holes 9 for the spiral electric heating sheet 3 to pass through. The structure of the cross plate 7 is a cross-shaped structure seen from the end surface, and can also be other star-shaped structures, and the distribution of the positioning jacks 9 on the support plate 8 corresponds to the spiral shape of the spiral electric heating plate 3.
In the present embodiment, the outer wall of the cylindrical housing is provided with a through hole 13 through which the power terminal 4 passes, and the through hole 13 is not in contact with the power terminal 4.
In this embodiment, the positioning insertion holes 9 on the support plates 8 at two ends of the four ends of the cross plate 7 are staggered, and the distances between the positioning insertion holes 9 on the support plates 8 at two ends and the center of the cross plate 7 are different, so that the spiral electric heating plate 3 is positioned on the cross plate 7 and the support plates 8 in a spiral shape.
In this embodiment, the inner wall of the tubular housing is uniformly provided with four clamping grooves 10 respectively matched with the support plates 8 on the four ends of the cross plate 7, the two support plates 8 on the four ends of the cross plate 7 are slidably connected with the clamping grooves 10, the two support plates 8 on the four ends of the cross plate 7 can slide into the corresponding clamping grooves 10, the installation is convenient, the support plates 8 and the clamping grooves 10 are in interference fit, the support plates 8 and the clamping grooves 10 are not easy to axially move, the plurality of clamping grooves 10 limit the whole insulating support 2 in the circumferential direction, and the insulating support 2 and the spiral electric heating sheet 3 are prevented from rotating.
In this embodiment, a plurality of heat-resistant silica gel strips 11 which are uniformly arranged are arranged on the outer wall of the cylindrical shell in a protruding mode, the cylindrical shell is embedded and installed in the air inlet pipeline through the plurality of heat-resistant silica gel strips 11, and the heat-resistant silica gel strips 11 have an insulating effect and are in interference fit with the inner wall of the pipeline at the same time, so that the heat-resistant silica gel strips have the functions of fixing and buffering.
While only the preferred embodiments of the present utility model have been described above, it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these do not affect the effect of the implementation of the present utility model and the utility of the patent.
Claims (7)
1. The utility model provides an embedded diesel engine air intake heater, its characterized in that, including embedding install shell (1) in air intake duct, be equipped with insulating support (2) in shell (1), install spiral electrical heating piece (3) on insulating support (2), the both ends of spiral electrical heating piece (3) are equipped with and pass electric terminal (4) that the outer wall of shell (1) set up.
2. An embedded diesel engine air intake heater according to claim 1, characterized in that the electric terminal (4) is of a bolt structure in threaded connection with the spiral electric heating plate (3), the electric terminal (4) is provided with a nut structure (5) in phase with the outer wall of the housing (1), and an insulating washer (6) is arranged between the nut structure (5) and the outer wall of the housing (1).
3. An embedded diesel engine air intake heater according to claim 1, characterized in that the spiral electric heating fins (3) are spiral cooling fins with gradually smaller radius and then gradually larger radius, and the spiral cooling fins are staggered in the axial direction.
4. An embedded diesel engine air intake heater according to claim 1, 2 or 3, wherein the housing (1) is a cylindrical shell, the insulating support (2) comprises a cross plate (7) arranged at the center of an inner cavity of the housing (1), two support plates (8) obliquely extending towards two ends are arranged at four ends of the cross plate (7), the end parts of the support plates (8) are connected with the inner wall of the cylindrical shell, and positioning jacks (9) for the spiral electric heating sheets (3) to pass through are arranged at the four end parts of the cross plate (7) and on the support plates (8).
5. An embedded diesel engine air intake heater according to claim 4, characterized in that the positioning insertion holes (9) on the support plates (8) at the two ends of the four ends of the cross plate (7) are arranged in a staggered manner, and the distances between the positioning insertion holes (9) on the support plates (8) at the two ends and the center of the cross plate (7) are different.
6. An embedded diesel engine air intake heater according to claim 4, wherein four clamping grooves (10) respectively matched with the support plates (8) on the four ends of the cross plate (7) are uniformly arranged on the inner wall of the cylindrical shell, and two support plates (8) on the four ends of the cross plate (7) are in sliding connection with the clamping grooves (10).
7. An embedded diesel engine air intake heater according to claim 6, wherein a plurality of heat-resistant silica gel strips (11) are arranged on the outer wall of the cylindrical shell in a protruding mode, and the cylindrical shell is embedded and installed in an air intake pipeline through the plurality of heat-resistant silica gel strips (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320385455.4U CN219638960U (en) | 2023-03-03 | 2023-03-03 | Embedded diesel engine air inlet heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320385455.4U CN219638960U (en) | 2023-03-03 | 2023-03-03 | Embedded diesel engine air inlet heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219638960U true CN219638960U (en) | 2023-09-05 |
Family
ID=87821161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320385455.4U Active CN219638960U (en) | 2023-03-03 | 2023-03-03 | Embedded diesel engine air inlet heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219638960U (en) |
-
2023
- 2023-03-03 CN CN202320385455.4U patent/CN219638960U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |