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CN-224214272-U - Be used for EGR cooling collector of device

CN224214272UCN 224214272 UCN224214272 UCN 224214272UCN-224214272-U

Abstract

The utility model discloses a collector for an EGR cooler, which comprises an air outlet section, a collecting section and a connecting section, wherein the air outlet section, the collecting section and the connecting section are sequentially connected, the air outlet section, the collecting section and the connecting section are of an integrated structure, the air outlet section is of a cylindrical shape, the connecting section is of a rectangular structure, an arc-shaped transition structure is arranged at the joint of the collecting section and the air outlet section, an arc-shaped transition structure is also arranged at the joint of the collecting section and the connecting section, and a temperature sensor interface and a pressure difference sensor interface are arranged on the collecting section. The intelligent exhaust gas collecting device has the advantages that thin plates can be used for stamping forming, the wall thickness is thin, the weight is light, the structure is simple, mass production is realized, the manufacturing cost is low, arc-shaped transition structures are arranged at the interconnection positions of all sections, an internal airflow channel is smoother, the exhaust gas travelling resistance is small in the use process, the pressure loss of a cooler can be reduced, the exhaust gas conveying is facilitated, and a temperature sensor interface and a differential pressure sensor interface are arranged on a collecting section, so that the temperature sensor and the differential pressure sensor can be connected conveniently.

Inventors

  • JING JIANZHOU
  • TANG JUNJIE
  • YIN CONGJUAN
  • DUAN ZHIHUI
  • ZHANG JING

Assignees

  • 渭南美益特发动机减排技术有限公司

Dates

Publication Date
20260508
Application Date
20250610

Claims (10)

  1. 1. The collector for the EGR cooler is characterized by comprising an air outlet section (1), a collecting section (2) and a connecting section (3), wherein the air outlet section (1), the collecting section (2) and the connecting section (3) are sequentially connected, the air outlet section (1), the collecting section (2) and the connecting section (3) are of an integrated structure, the air outlet section (1) is of a cylindrical shape, the connecting section (3) is of a rectangular structure, an arc-shaped transition structure is arranged at the joint of the collecting section (2) and the air outlet section (1), an arc-shaped transition structure is also arranged at the joint of the collecting section (2) and the connecting section (3), and a temperature sensor interface (4) and a pressure difference sensor interface (5) are arranged on the collecting section (2).
  2. 2. A collector for an EGR cooler according to claim 1, characterized in that the collecting segment (2) is of rectangular construction, the outlet segment (1), the collecting segment (2) and the connecting segment (3) being arranged coaxially.
  3. 3. A collector for an EGR cooler according to claim 1, characterized in that the collecting section (2) has a conical structure, the diameter of the end of the collecting section (2) connected to the connecting section (3) being larger than the diameter of the end of the collecting section (2) connected to the outlet section (1).
  4. 4. A collector for an EGR cooler according to claim 3, characterized in that the outlet section (1), the collecting section (2) and the connecting section (3) are arranged coaxially.
  5. 5. A collector for an EGR cooler according to claim 3, characterized in that the outlet section (1) is arranged coaxially with the collecting section (2), the angle between the collecting section (2) axis and the connecting section (3) axis being greater than 90 °.
  6. 6. A collector for an EGR cooler according to claim 1, characterized in that the temperature sensor interface (4) is a flanging hole.
  7. 7. A collector for an EGR cooler according to claim 1, characterized in that the pressure difference sensor interface (5) is a punched hole.
  8. 8. A collector for an EGR cooler according to claim 1, characterized in that the length of the connecting section (3) is greater than 4mm.
  9. 9. A collector for an EGR cooler according to claim 1, characterized in that the length of the outlet section (1) is greater than 3mm.
  10. 10. A collector for an EGR cooler according to claim 1, characterized in that the four corners of the connecting section (3) are rounded.

Description

Be used for EGR cooling collector of device Technical Field The utility model relates to the technical field of EGR systems, in particular to a collector for an EGR cooler. Background An EGR system (Exhaust Gas recirculation) is an effective technique for reducing emission of nitrogen oxides from automobiles, and an EGR cooler and an EGR valve are key components of the EGR system. After the high-temperature exhaust gas is effectively cooled by the EGR cooler, the high-temperature exhaust gas is transmitted to the EGR valve to regulate the flow of the gas, so that the high-temperature exhaust gas is effectively utilized. The collector is arranged at the air outlet end of the EGR cooler and is used for conveying the exhaust gas cooled by the tube core to the engine. The structure of the existing collector is generally complex, the processing and the manufacturing are not easy, and meanwhile, the structure of an internal airflow channel is complex, so that the waste gas conveying is not facilitated. Disclosure of utility model To this end, the present utility model provides a collector for an EGR cooler to solve the above-mentioned problems of the prior art. In order to achieve the above object, the present utility model provides the following technical solutions: According to the first aspect of the utility model, the collector for the EGR cooler comprises an air outlet section, a collecting section and a connecting section, wherein the air outlet section, the collecting section and the connecting section are sequentially connected, the air outlet section, the collecting section and the connecting section are of an integrated structure, the air outlet section is of a cylindrical shape, the connecting section is of a rectangular structure, an arc transition structure is arranged at the joint of the collecting section and the air outlet section, an arc transition structure is also arranged at the joint of the collecting section and the connecting section, and a temperature sensor interface and a pressure difference sensor interface are arranged on the collecting section. Further, the collecting section is of a rectangular structure, and the air outlet section, the collecting section and the connecting section are coaxially arranged. Further, the collecting section is of a conical structure, and the diameter of one end, connected with the connecting section, of the collecting section is larger than that of one end, connected with the air outlet section, of the collecting section. Further, the gas outlet section, the collecting section and the connecting section are coaxially arranged. Further, the air outlet section and the collecting section are coaxially arranged, and an included angle between the axis of the collecting section and the axis of the connecting section is larger than 90 degrees. Further, the temperature sensor interface is a flanging hole. Further, the differential pressure sensor interface is a punched hole. Further, the length of the connecting section is greater than 4mm. Further, the length of the air outlet section is greater than 3mm. Further, the four corners of the connecting section are rounded corners. The utility model has the advantages that the whole collector can be formed by stamping thin plates, has thin wall thickness, light weight and simple structure, can be produced in batch, has low manufacturing cost, has arc-shaped transition structures at the interconnection parts of all sections, has smoother internal airflow channels, has small exhaust gas travelling resistance in the use process, can reduce the pressure loss of the cooler and is more beneficial to the transportation of the exhaust gas, and the collecting section is provided with a temperature sensor interface and a differential pressure sensor interface, so that the temperature sensor and the differential pressure sensor are conveniently connected. Drawings In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be derived from the drawings provided without undue effort. The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the scope of the utility model. Fig. 1 is a first perspective view of a first collector for an EGR cooler provided in accordance with some embodiments of the present utility model. Fig. 2 is a second perspecti