CN216588876U

CN216588876U - Air inlet heat insulation sheet of EGR cooler

Info

Publication number: CN216588876U
Application number: CN202122770289.3U
Authority: CN
Inventors: 陈法献; 叶万鑫; 徐恭宇; 杨广
Original assignee: Zhejiang Bondlye Environmental Technology Co ltd
Current assignee: Zhejiang Bondlye Environmental Technology Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-05-24
Anticipated expiration: 2031-11-12

Abstract

The utility model provides an air inlet heat insulation sheet of an EGR (exhaust gas recirculation) cooler, which comprises a shell, wherein an air inlet flange and an air outlet chamber are arranged at two symmetrical ends of the shell, a water inlet pipe is arranged at one end, close to the air inlet flange, of the side wall of the shell, a water outlet pipe is arranged at one end, close to the air outlet chamber, of the side wall of the shell, a plurality of heat dissipation rings are installed in the shell, two symmetrical ends of each heat dissipation ring are respectively abutted against the air inlet flange and the air outlet chamber, and a plurality of corrugated sheets are equidistantly arranged in each heat dissipation ring. Through set up a plurality of radiating rings in the casing, the radiating ring is inside to be equipped with a plurality of corrugated sheets, is convenient for carry out the heat exchange with the cooling water in high temperature waste gas and the radiating ring outside, avoids the heat in the high temperature waste gas to give off the casing outside to improve the thermal-insulated ability of casing, improved EGR cooler's life.

Description

Air inlet heat insulation sheet of EGR cooler

Technical Field

The utility model relates to an air inlet heat insulation sheet of an EGR cooler, belonging to the technical field of engine tail gas cooling.

Background

Along with the increase of the use of car, the emission requirement of automobile exhaust is stricter, when the car produced tail gas, need discharge after cooling the tail gas of high temperature to the EGR cooler of various structures has been produced, current EGR cooler generally dispels the heat through turbulent flow radiating fin, but turbulent flow radiating fin is through being in the high temperature state for a long time, lead to on the heat of high temperature conducts the casing easily, it is relatively poor to insulate against heat the effect, be in the high temperature state for a long time and can reduce the life of EGR cooler, for this reason, we propose the heat insulating strip that admits air of EGR cooler.

SUMMERY OF THE UTILITY MODEL

The present invention provides a solution to the problem of poor heat insulation effect of the existing EGR cooler.

In order to realize the purpose, the utility model is realized by the following technical scheme: the utility model provides a EGR cooler's heat insulating strip that admits air, includes the casing, the symmetry both ends of casing are equipped with the flange that admits air and go out the air chamber, and the one end that is close to the flange that admits air on the casing lateral wall is equipped with the inlet tube, the one end that the lateral wall of casing is close to the air chamber is equipped with the outlet pipe, and installs a plurality of radiating rings in the casing, the symmetry both ends butt respectively of radiating ring is on the flange that admits air and go out the air chamber, and the radiating ring intra-annular equidistance is equipped with a plurality of corrugated sheets.

Further, the cross section of casing is established to the rectangle, and the symmetry is equipped with a plurality of rectangle recesses on the casing, two be equipped with a plurality of bar protrudingly between the recess.

Further, the guard ring that admits air is installed in the outside of the flange that admits air, the guard ring of giving vent to anger is installed in the outside of giving vent to anger room, establish to triangle-shaped in the cross section of inlet tube, and the bottom one end pipeline intercommunication of inlet tube has the connecting pipe that admits air, establish to arc in the cross section of outlet pipe, and the bottom side one end pipeline intercommunication of outlet pipe has the connecting pipe of giving vent to anger, the outside one end of the connecting pipe that admits air is equipped with three hornblocks, be equipped with the round hole on the three hornblocks.

Furthermore, the symmetrical both ends of radiating ring all are equipped with the protection and fill up, the protection is filled up and is installed respectively in the inboard one end of air inlet flange and air outlet chamber.

Furthermore, the protection pad is provided with a plurality of air holes which are respectively communicated with the corresponding heat dissipation rings, the protection pad is provided with a rectangular plate, and the other end of the rectangular plate is attached to the heat dissipation rings.

Furthermore, a plurality of supporting frames are arranged between every two adjacent heat dissipation rings.

The utility model has the beneficial effects that: through set up a plurality of radiating rings in the casing, radiating ring inside is equipped with a plurality of corrugated sheets, is convenient for carry out the heat exchange with the cooling water in high temperature waste gas and the radiating ring outside, avoids the heat in the high temperature waste gas to give off the casing outside to improve the thermal-insulated ability of casing, improved EGR cooler's life.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of an intake insulator for an EGR cooler in accordance with the present invention;

FIG. 2 is a bottom schematic view of an intake insulator for an EGR cooler in accordance with the present invention;

FIG. 3 is a right side view of an intake insulator for an EGR cooler in accordance with the present invention;

FIG. 4 is a schematic view of a heat sink ring in the inlet insulation of an EGR cooler in accordance with the present invention;

FIG. 5 is a schematic view of a protective pad in an intake insulation sheet of an EGR cooler in accordance with the present invention;

fig. 6 is an enlarged view of a portion a in fig. 3.

In the figure: 1-a shell; 2-an air inlet flange; 3-an air outlet chamber; 4-water inlet pipe; 5-water outlet pipe; 6-heat dissipation ring; 7-corrugated sheets; 8-a rectangular groove; 9-strip-shaped protrusions; 10-an air intake guard ring; 11-an air-out protective ring; 12-an air inlet connecting pipe; 13-an air outlet connecting pipe; 14-a triangular block; 15-round hole; 16-a protective pad; 17-a vent hole; 18-a rectangular plate; 19-support frame.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a heat insulating strip that admits air of EGR cooler, which comprises a housin 1, the symmetry both ends of casing 1 are equipped with inlet flange 2 and go out air chamber 3, and the one end that is close to inlet flange 2 on the 1 lateral wall of casing is equipped with inlet tube 4, the one end that the lateral wall of casing 1 is close to going out air chamber 3 is equipped with outlet pipe 5, and install a plurality of radiating rings 6 in the casing 1, the symmetry both ends butt respectively on inlet flange 2 and air chamber 3 of going out, and the equidistance is equipped with a plurality of corrugated sheets 7 in the radiating ring 6, through radiating ring 6, the waste gas or the waste water of inlet flange 2 and the inflow of inlet tube 4 department of being convenient for cool down the heat dissipation and handle, the cross section of casing 1 is established to the rectangle, and the symmetry is equipped with a plurality of rectangle recesses 8 on the casing 1, be equipped with a plurality of bar archs 9 between two recesses, through bar arch 9, be convenient for increase the intensity of casing 1.

Air inlet protection ring 10 is installed in the outside of air inlet flange 2, air outlet protection ring 11 is installed in the outside of air outlet chamber 3, the cross section of inlet tube 4 is established to triangle-shaped, and the bottom one end pipeline intercommunication of inlet tube 4 has air inlet connection pipe 12, the cross section of outlet pipe 5 is established to arc, and the bottom side one end pipeline intercommunication of outlet pipe 5 has air outlet connection pipe 13, the outside one end of air inlet connection pipe 12 is equipped with triangle-shaped piece 14, be equipped with round hole 15 on the triangle-shaped piece 14, through air inlet protection ring 10 and air outlet protection ring 11, be convenient for prevent that waste gas from revealing, through the connecting pipe of intaking, be convenient for connect the pipeline of waste water inflow.

The symmetry both ends of cooling ring 6 all are equipped with protection pad 16, the inboard one end at inlet flange 2 and air outlet chamber 3 is installed respectively to protection pad 16, through protection pad 16, be convenient for protect the both ends of cooling ring 6 and seal, prevent that water from revealing from the both ends of cooling ring 6, be equipped with a plurality of braced frame 19 between two adjacent cooling rings 6, through braced frame 19, be convenient for improve the stability between the adjacent cooling ring 6, be equipped with a plurality of air vents 17 on the protection pad 16, a plurality of air vents 17 are linked together with corresponding cooling ring 6 respectively, be equipped with rectangular plate 18 on the protection pad 16, the other end laminating of rectangular plate 18 is on cooling ring 6, through rectangular plate 18, be convenient for laminate protection pad 16 on cooling ring 6, through air vent 17, be convenient for prevent that protection pad 16 obstructs in waste gas flows into cooling ring 6.

The specific implementation mode is as follows: discharge waste gas from air intake flange 2, then waste gas dispersion gets into the inside of cooling ring 6, corrugated sheet 7 in the cooling ring 6 further shunts waste gas, simultaneously from the cooling water of discharging into of inlet tube 4, the cooling water covers the surface at cooling ring 6, heat exchange is carried out with cooling ring 6 when the cooling water flows, make the heat on the cooling ring 6 absorb by the cooling water and take away, make the cooling water after the heating flow from outlet pipe 5, the waste gas after the cooling flows from giving vent to anger 3, thereby accomplish the cooling operation to high temperature waste gas, this device is effectual to the thermal-insulated of waste gas, the cooling water is direct to take away the heat, conduct on the casing after avoiding the heat to spill, the life of EGR cooler has been prolonged.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An intake air insulation sheet of an EGR cooler, comprising a housing (1), characterized in that: the symmetry both ends of casing (1) are equipped with air inlet flange (2) and go out air chamber (3), and the one end that is close to air inlet flange (2) on casing (1) lateral wall is equipped with inlet tube (4), the one end that the lateral wall of casing (1) is close to air chamber (3) is equipped with outlet pipe (5), and installs a plurality of radiating rings (6) in casing (1), the symmetry both ends butt respectively of radiating ring (6) is on air inlet flange (2) and air chamber (3), and the equidistance is equipped with a plurality of corrugated sheets (7) in radiating ring (6).

2. The intake heat insulating sheet of an EGR cooler according to claim 1, wherein: the cross section of casing (1) is established to the rectangle, and the symmetry is equipped with a plurality of rectangle recesses (8) on casing (1), two be equipped with a plurality of bar protrudingly (9) between the recess.

3. The intake heat insulating sheet of an EGR cooler according to claim 1, wherein: the utility model discloses a solar water heater, including inlet flange (2), air inlet flange (2), the outside of giving vent to anger flange (10) is installed, the outside of giving vent to anger room (3) is installed and is given vent to anger flange (11), the cross section of inlet tube (4) is established to triangle-shaped, and the bottom one end pipeline intercommunication of inlet tube (4) has inlet connection pipe (12), the cross section of outlet pipe (5) is established to arc, and the bottom side one end pipeline intercommunication of outlet pipe (5) has outlet connection pipe (13), the outside one end of inlet connection pipe (12) is equipped with three hornblocks (14), be equipped with round hole (15) on three hornblocks (14).

4. The intake heat insulating sheet of an EGR cooler according to claim 1, wherein: the symmetrical two ends of the heat dissipation ring (6) are respectively provided with a protective pad (16), and the protective pads (16) are respectively arranged at one end of the inner side of the air inlet flange (2) and one end of the inner side of the air outlet chamber (3).

5. The intake heat insulating sheet of an EGR cooler according to claim 4, wherein: be equipped with a plurality of air vents (17) on protection pad (16), it is a plurality of air vent (17) are linked together with corresponding heat dissipation ring (6) respectively, be equipped with rectangular plate (18) on protection pad (16), the other end laminating of rectangular plate (18) is on heat dissipation ring (6).

6. The intake heat insulating sheet of an EGR cooler according to claim 1, wherein: a plurality of supporting frames (19) are arranged between every two adjacent radiating rings (6).