High-temperature protective cover of turbocharger
By designing through holes, arc grooves, and mounting frames for the high-temperature protective cover of the turbocharger, combined with a heat insulation air chamber and coolant circulation system, the performance degradation problem of existing high-temperature protective covers of turbochargers under high-temperature environments has been solved, achieving effective heat insulation and heat dissipation, and ensuring stable operation of the turbocharger at suitable temperatures.
Patent Information
- Application Number
- CN202521103500.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-30
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-05-30
AI Technical Summary
Existing turbocharger high-temperature shields are prone to performance degradation and structural loosening under long-term high-temperature environments, lacking effective heat dissipation and heat conduction mechanisms, thus affecting the turbocharger's heat dissipation performance.
A high-temperature protective cover for a turbocharger, comprising a first protective cover and a second protective cover, is designed. It is fixed by setting through holes, arc grooves and mounting frame plates. Combined with a heat insulation air chamber, heat exchange pipes and coolant circulation system, it achieves effective heat insulation and heat dissipation. It uses gas circulation and coolant circulation to prevent heat transfer and actively absorb heat.
It effectively prevents heat from being transferred to the outside, reduces the surface temperature of the turbocharger, extends the life of components, and improves engine performance and reliability.
Smart Images
Figure CN223908491U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to turbocharger protection cover technical field, more specifically, the utility model relates to a kind of turbocharger high-temperature protection cover. BACKGROUND
[0002] Turbocharger drives turbine rotation by utilizing the exhaust gas of engine, and then drives compressor to compress air, to improve the air intake of engine, to improve the power and efficiency of engine, however, in the high-speed operation process of turbocharger, turbine end will produce 600-900 ℃ high temperature, compressor end will also produce certain heat due to air compression, so high temperature will cause many serious problems if not effectively protected;
[0003] The existing turbocharger high-temperature protection cover on the market is mostly made of single heat insulation material, such as asbestos, ceramic fiber board, etc. Although this kind of protection cover has certain heat insulation capacity, it is easy to have performance attenuation, structure loosening and other problems in long-term high-temperature environment, which leads to gradually reduced protection effect, and some protection covers only protect by wrapping, lack of effective heat dissipation and heat dissipation mechanism, heat accumulates between protection cover and turbocharger, which affects the heat dissipation performance of turbocharger itself, therefore, a kind of turbocharger high-temperature protection cover is proposed. SUMMARY
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of turbocharger high-temperature protection cover to solve the problems raised in the above background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of turbocharger high-temperature protection cover, including first protection cover and second protection cover, the top of the second protection cover is equipped with first through hole, the bottom of the first protection cover is equipped with second through hole, the inlet and outlet pipe of turbocharger can be positioned and installed through first through hole and second through hole, arc-shaped slot is formed in the middle of both ends of the opposite side wall of the first protection cover and the second protection cover, for the shaft, pipeline and other components of turbocharger to pass through, to ensure normal installation and operation of turbocharger, installation frame plate is fixedly connected to the opposite side of the first protection cover and the second protection cover symmetrically around, to facilitate the close fixing of the first protection cover and the second protection cover by installation frame plate, to ensure firm installation and close fitting, to reduce high-temperature gas leakage;
[0006] The middle part of the wall of the first protective cover and the second protective cover is provided with a heat insulation air cavity, the heat insulation air cavity is filled with air and other gases with good heat insulation performance, the low thermal conductivity of the gas is used to form a heat insulation barrier, effectively preventing heat from being transmitted from the turbocharger to the outside, the middle part of the heat insulation air cavity is fixedly connected with a plurality of supporting blocks, the supporting blocks are used to support the upper and lower walls of the heat insulation air cavity, prevent the air cavity from being deformed under the action of pressure, and ensure the stability and heat insulation effect of the heat insulation air cavity, the bottom of the first protective cover and the second protective cover is fixedly connected with an air inlet pipe, and the top of the first protective cover and the second protective cover is fixedly connected with an air outlet pipe, fresh gas is introduced into the heat insulation air cavity through an external gas source, the heated gas in the air cavity is discharged, gas circulation is realized, and the heat insulation effect is further enhanced.
[0007] The middle part of the first protective cover and the second protective cover is provided with a heat exchange pipe, one side of the heat exchange pipe is fixedly provided with a heat absorption plate, the heat absorption plate is made of a metal material with high thermal conductivity, such as copper or aluminum, can quickly absorb the heat emitted by the turbocharger, and transmit to the heat exchange pipe, the top of the first protective cover and the second protective cover is provided with a liquid inlet pipe and a liquid outlet pipe on both sides, the inner cavities of the liquid outlet pipe and the liquid inlet pipe are respectively connected with both ends of the inner cavity of the heat exchange pipe, through an external cooling liquid circulation system, the cooling liquid flows into the heat exchange pipe from the liquid inlet pipe, absorbs the heat transmitted by the heat absorption plate, and then flows out from the liquid outlet pipe, realizes active absorption and transfer of the heat of the turbocharger, effectively reduces the surface temperature of the turbocharger.
[0008] Preferably, the first protective cover and the second protective cover are the same size, the two mounting frame plates are attached, and the two adjacent arc-shaped grooves form a circular through hole, facilitating the combination and fixation of the first protective cover and the second protective cover together to set the turbocharger between the first protective cover and the second protective cover.
[0009] Preferably, the first through hole and the second through hole are the same size, the first through hole and the second through hole are respectively located on both sides of the central axis of the first protective cover and the second protective cover, and the inlet and outlet pipes of the turbocharger can be positioned and installed through the first through hole and the second through hole.
[0010] Preferably, the heat exchange pipe is provided in a wave shape, the heat exchange pipes are uniformly distributed in the middle part of the first protective cover and the second protective cover, and the heat absorption plate is arranged on the side of the heat exchange pipe close to the turbocharger, the wave shape increases the surface area of the heat exchange pipe and improves the heat exchange efficiency with the surrounding air or cooling liquid.
[0011] Preferably, the air inlet pipe and the air outlet pipe are connected with the inner cavity of the heat insulation air cavity, and the inner cavity of the heat insulation air cavity is provided with a heat insulation coating on the side wall close to the heat exchange pipe, the coating is made of a material with high temperature resistance and low thermal conductivity, such as a ceramic heat insulation coating, which can further reduce the heat transfer to the heat insulation air cavity and improve the overall heat insulation performance.
[0012] Preferably, the inner cavities of the liquid outlet pipe and the liquid inlet pipe are respectively connected with the inner cavities of the heat exchange pipes at two ends, the heat exchange pipes are staggered with the second through hole and the first through hole, the heat exchange pipes avoid affecting the installation and passing of the turbocharger components, and the rationality and practicability of the protective cover structure are ensured.
[0013] The technical effects and advantages of the utility model are as follows:
[0014] 1. The utility model discloses a first through hole, a second through hole and an arc-shaped groove are arranged, the first protective cover and the second protective cover can be conveniently installed on the outside of the turbocharger, convenient combination installation is used, and the cooling liquid is circulated through the external cooling liquid circulation system, the cooling liquid flows into the heat exchange pipe from the liquid inlet pipe, the temperature of the cooling liquid is increased after absorbing heat in the heat exchange pipe, the cooling liquid flows out from the liquid outlet pipe, enters the heat dissipation device of the cooling liquid circulation system to be cooled, and the cooled cooling liquid flows into the liquid inlet pipe again to form circulation, continuously removes the heat of the turbocharger, realizes the effect of cooling and heat dissipation, significantly reduces the damage of high temperature to the surrounding components, and prolongs the service life of the components.
[0015] 2. Fresh gas is introduced into the air inlet pipe through the external gas source, the fresh gas enters the heat insulation air cavity, the heated gas is discharged from the air outlet pipe, the gas circulation in the heat insulation air cavity is realized, the heat insulation effect is further enhanced, the heat insulation coating is arranged, the heat transfer to the heat insulation air cavity can be further reduced, the overall heat insulation performance is improved, the stability of the inner cavity of the heat insulation air cavity can be improved through the supporting block, deformation does not occur even in the high-temperature and high-pressure environment, the long-term stable and reliable heat insulation performance is ensured, the service life of the protective cover is prolonged, and the heat absorption effect of the liquid in the heat exchange pipe can be improved through the heat absorption plate.
[0016] Through the mutual influence of the above-mentioned multiple effects, the heat insulation can be realized through the heat insulation air cavity, the heat of the turbocharger can be effectively blocked from being transferred to the surrounding, the surface temperature of the turbocharger can be quickly reduced, the turbocharger can be stably operated at the appropriate temperature, and the engine performance and reliability are improved. ACCURACY OF DRAWINGS
[0017] Figure 1 It is a whole structure schematic view of the utility model.
[0018] Figure 2 It is another angle structure schematic view of the utility model.
[0019] Figure 3 It is a split structure schematic view of the utility model.
[0020] Figure 4 It is a sectional structure schematic view of the utility model 1.
[0021] The attached figures are labeled as follows: 1. First protective cover; 2. Second protective cover; 3. First through hole; 4. Second through hole; 5. Arc groove; 6. Mounting frame plate; 7. Insulating air cavity; 8. Support block; 9. Air inlet pipe; 10. Air outlet pipe; 11. Heat exchange pipe; 12. Heat absorption plate; 13. Liquid inlet pipe; 14. Liquid outlet pipe. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] As attached Figures 1-4 The high-temperature protective cover for a turbocharger shown includes a first protective cover 1 and a second protective cover 2. The top of the second protective cover 2 is provided with a first through hole 3, and the bottom of the first protective cover 1 is provided with a second through hole 4. The inlet and outlet pipes of the turbocharger can be limited and installed through the first through hole 3 and the second through hole 4. Arc-shaped grooves 5 are provided at the middle of both ends of the opposite side wall of the first protective cover 1 and the second protective cover 2, for the turbocharger shaft, pipeline and other components to pass through, to ensure the normal installation and operation of the turbocharger. Mounting frame plates 6 are symmetrically fixedly connected around the opposite side of the first protective cover 1 and the second protective cover 2. The mounting frame plates 6 facilitate the tight fixing and fitting of the first protective cover 1 and the second protective cover 2, ensuring a firm and tight fit and reducing the leakage of high-temperature gas.
[0024] Both the first protective cover 1 and the second protective cover 2 have heat-insulating air chambers 7 in the middle of their walls. The heat-insulating air chambers 7 are filled with gases with good heat insulation properties, such as air. Utilizing the low thermal conductivity of the gas, a heat insulation barrier is formed to effectively prevent heat from being transferred from the turbocharger to the outside. Multiple support blocks 8 are fixedly connected to the middle of the heat-insulating air chamber 7. The support blocks 8 are used to support the upper and lower walls of the heat-insulating air chamber 7 to prevent the air chamber from deforming under pressure, ensuring the stability and heat insulation effect of the heat-insulating air chamber 7. The bottom of both the first protective cover 1 and the second protective cover 2 are fixedly connected to air inlet pipes 9, and the top of both the first protective cover 1 and the second protective cover 2 are fixedly connected to air outlet pipes 10. Fresh gas is introduced into the heat-insulating air chamber 7 through an external air source to discharge the heated gas in the air chamber, realizing gas circulation and further enhancing the heat insulation effect.
[0025] The middle part of the first protective cover 1 and the second protective cover 2 is provided with a heat exchange pipe 11, one side of the heat exchange pipe 11 is fixedly provided with a heat absorption plate 12, the heat absorption plate 12 is made of a metal material with high thermal conductivity, such as copper or aluminum, can quickly absorb the heat emitted by the turbocharger, and is transmitted to the heat exchange pipe 11, the top of the first protective cover 1 and the second protective cover 2 is provided with a liquid inlet pipe 13 and a liquid outlet pipe 14, the inner cavities of the liquid outlet pipe 14 and the liquid inlet pipe 13 are respectively connected with the two ends of the inner cavity of the heat exchange pipe 11, through the external cooling liquid circulation system, the cooling liquid flows into the heat exchange pipe 11 from the liquid inlet pipe 13, after absorbing the heat transmitted by the heat absorption plate 12, flows out from the liquid outlet pipe 14, realizes the active absorption and transfer of the heat of the turbocharger, effectively reduces the surface temperature of the turbocharger.
[0026] As shown in the accompanying drawings, Figures 1-4 The size of the first protective cover 1 and the second protective cover 2 is same, the two mounting frame plates 6 are attached, the two adjacent arc-shaped grooves 5 form a circular through hole, the size of the first through hole 3 and the second through hole 4 is same, the first through hole 3 and the second through hole 4 are respectively located on the two sides of the central axis of the first protective cover 1 and the second protective cover 2, the heat exchange pipe 11 is arranged in a wave shape, the heat exchange pipe 11 is uniformly distributed in the middle part of the first protective cover 1 and the second protective cover 2, the heat absorption plate 12 is arranged on the side of the heat exchange pipe 11 close to the turbocharger, the air inlet pipe 9 and the air outlet pipe 10 are connected with the inner cavity of the heat insulation air cavity 7, the inner cavity of the heat insulation air cavity 7 is provided with a heat insulation coating on the side wall close to the heat exchange pipe 11, the inner cavities of the liquid outlet pipe 14 and the liquid inlet pipe 13 are respectively connected with the two ends of the inner cavity of the heat exchange pipe 11, the heat exchange pipe 11 is dislocated with the second through hole 4 and the first through hole 3, which facilitates the combination and fixation of the first protective cover 1 and the second protective cover 2, so that the turbocharger is arranged between the first protective cover 1 and the second protective cover 2, the inlet and outlet pipes of the turbocharger can be limited and installed through the first through hole 3 and the second through hole 4, the wave shape increases the surface area of the heat exchange pipe 11, improves the heat exchange efficiency with the surrounding air or cooling liquid, the coating is made of a material with high temperature resistance and low thermal conductivity, such as a ceramic heat insulation coating, which can further reduce the heat transfer to the heat insulation air cavity 7, improve the overall heat insulation performance, avoid the influence of the heat exchange pipe 11 on the installation and passing of the turbocharger components, and ensure the rationality and practicability of the protective cover structure.
[0027] The working principle of the utility model is: when in use, the first protective cover 1 and the second protective cover 2 are respectively close to the upper and lower sides of the turbocharger, the arc-shaped groove 5 is aligned with the shaft, pipeline and other components of the turbocharger, the components can smoothly pass through the circular through hole, and the inlet and outlet pipes of the turbocharger respectively pass through the middle part of the first through hole 3 and the second through hole 4 and extend out, which is convenient for installation and use, until the two mounting frame plates 6 are attached, and are fixed through bolts.
[0028] The air inlet pipe 9 and the air outlet pipe 10 are connected with external air source pipelines respectively, and the liquid inlet pipe 13 and the liquid outlet pipe 14 are connected with corresponding pipelines of a cooling liquid circulating system, so that the cooling liquid circulating is ensured smooth;
[0029] When the turbocharger works to generate high temperature, heat is first absorbed by the heat absorption plate 12, and the heat absorption plate 12 quickly transmits the heat to the heat exchange pipe 11. The external cooling liquid circulating system is started, the cooling liquid flows into the heat exchange pipe 11 from the liquid inlet pipe 13, absorbs heat in the heat exchange pipe 11, and then flows out from the liquid outlet pipe 14 to a heat dissipation device of the cooling liquid circulating system to be cooled, and the cooled cooling liquid flows into the liquid inlet pipe 13 again to form a circulation and continuously take away the heat of the turbocharger;
[0030] At the same time, the air or other heat insulation gas in the heat insulation air cavity 7 plays a heat insulation role to prevent heat from being transmitted outward. The external air source supplies fresh air into the air inlet pipe 9, the fresh air enters the heat insulation air cavity 7, and the heated gas is discharged from the air outlet pipe 10 to realize the circulation of the gas in the heat insulation air cavity and further enhance the heat insulation effect. The heat insulation coating also effectively reduces the heat transmission to the heat insulation air cavity 7, and cooperates to guarantee the heat insulation performance of the protective cover.
[0031] The above only describes preferred embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A turbocharger high temperature shield comprising a first shield (1) and a second shield (2), characterized in that: The top of the second protective cover (2) is provided with a first through hole (3), the bottom of the first protective cover (1) is provided with a second through hole (4), the middle of the two ends of the opposite side walls of the first protective cover (1) and the second protective cover (2) are provided with arc-shaped grooves (5), and the opposite sides of the first protective cover (1) and the second protective cover (2) are symmetrically and fixedly connected with mounting frame plates (6). The middle of the wall of the first protective cover (1) and the second protective cover (2) is provided with a heat insulation cavity (7), a plurality of supporting blocks (8) are fixedly connected to the middle of the heat insulation cavity (7), the bottom of the first protective cover (1) and the second protective cover (2) is fixedly connected with an air inlet pipe (9), and the top of the first protective cover (1) and the second protective cover (2) is fixedly connected with an air outlet pipe (10). The middle of the first protective cover (1) and the second protective cover (2) is provided with a heat exchange pipe (11), one side of the heat exchange pipe (11) is fixedly inserted with a heat absorption plate (12), and the top of the first protective cover (1) and the second protective cover (2) is provided with a liquid inlet pipe (13) and a liquid outlet pipe (14).
2. A high temperature protective shroud for a turbocharger according to claim 1, wherein: The first protective cover (1) and the second protective cover (2) are the same size, the two mounting frame plates (6) are attached to each other, and the two adjacent arc-shaped grooves (5) form a circular through hole.
3. A high temperature protective shroud for a turbocharger as defined in claim 1 wherein: The first through hole (3) and the second through hole (4) are the same size, and the first through hole (3) and the second through hole (4) are located on both sides of the central axis of the first protective cover (1) and the second protective cover (2).
4. A high temperature protective cover for a turbocharger as defined in claim 1, wherein: The heat exchange pipe (11) is arranged in a wave shape, the heat exchange pipes (11) are uniformly distributed in the middle of the first protective cover (1) and the second protective cover (2), and the heat absorption plate (12) is arranged on the side of the heat exchange pipe (11) close to the turbocharger.
5. A high temperature protective cover for a turbocharger as defined in claim 1, wherein: The air inlet pipe (9) and the air outlet pipe (10) are in communication with the inner cavity of the heat insulation cavity (7), and the side wall of the inner cavity of the heat insulation cavity (7) close to the heat exchange pipe (11) is provided with a heat insulation coating.
6. A high temperature protective cover for a turbocharger as defined in claim 1, wherein: The inner cavities of the liquid outlet pipe (14) and the liquid inlet pipe (13) are in communication with the inner cavities of the two ends of the heat exchange pipe (11), and the heat exchange pipe (11) is dislocated with the second through hole (4) and the first through hole (3).