CN216554126U

CN216554126U - Cooling system of electronic throttle sensor

Info

Publication number: CN216554126U
Application number: CN202122030548.9U
Authority: CN
Inventors: 史志民
Original assignee: Marelli China Co Ltd
Current assignee: Marelli China Co Ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-05-17
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses an electronic throttle valve sensor cooling system, which relates to the technical field of sensors and comprises a throttle valve aluminum body, a throttle valve cover, a heat conducting sheet, a gear pin, a sensor and a cooling pipeline, wherein the throttle valve cover is arranged at the upper end of the throttle valve aluminum body, the gear pin is arranged at the upper end of the throttle valve aluminum body, one end of the gear pin extends into the throttle valve aluminum body, the heat conducting sheet is arranged on the inner wall of the throttle valve cover, the sensor is arranged on the heat conducting sheet, one side of the heat conducting sheet abuts against the other end of the gear pin, the cooling pipeline is arranged in the throttle valve aluminum body, and one end of the gear pin abuts against the cooling pipeline. The cooling system of the electronic throttle sensor has the characteristics of simple structure, low cost and simple manufacturing process, can realize the arrangement of the cooling system by occupying less space, ensures that the sensor can normally work in a high-temperature environment, and well meets the ultra-high temperature application working condition.

Description

Cooling system of electronic throttle sensor

Technical Field

The utility model relates to the technical field of sensors, in particular to a cooling system of an electronic throttle sensor.

Background

The temperature of the working environment of a general electronic throttle is below 160 ℃, and the throttle angle sensor can normally work at the temperature, so that the angle sensor can meet the temperature application requirement in the conventional application of the throttle at present, the temperature control design for the angle sensor is not specially designed, the angle sensor is fixed on a plastic cover in a hot riveting mode, and a heat dissipation structure is not adopted.

The application environment of the existing electronic throttle valve is more and more rigorous, the working temperature of the throttle valve is always over 180 ℃ under the application working condition of back-middle cooling, the application temperature of an angle sensor of the electronic throttle valve is generally lower than 180 ℃, and when the working temperature of the throttle valve exceeds the upper temperature limit of the angle sensor of the throttle valve, the service life of the angle sensor is influenced, and the sensor is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electronic throttle sensor cooling system for solving the technical problem.

The technical scheme adopted by the utility model is as follows:

the utility model provides an electronic throttle valve sensor cooling system, includes the throttle valve aluminium body and sets up in the throttle valve lid of the upper end of throttle valve aluminium body, still includes conducting strip, gear pin, sensor and cooling pipeline, the upper end of throttle valve aluminium body is equipped with the gear pin, just the one end of gear pin extends to the inside of the throttle valve aluminium body, be equipped with on the inner wall of throttle valve lid the conducting strip, be equipped with on the conducting strip the sensor, one side of conducting strip with the other end of gear pin offsets, the inside of the throttle valve aluminium body is equipped with the cooling pipeline, just the one end of gear pin with the cooling pipeline offsets.

Preferably, the other side of the heat-conducting sheet is formed on the inner wall of the throttle cover in a plastic coating mode.

Preferably, the gear pin structure further comprises a heat conduction pad, wherein the heat conduction pad is arranged on one side of the heat conduction sheet, and the heat conduction sheet is abutted to the other end of the gear pin through the heat conduction pad.

Preferably, the cooling system further comprises a water inlet pipe and a water outlet pipe, wherein the water inlet pipe is connected with one end of the cooling pipeline, and the water outlet pipe is connected with the other end of the cooling pipeline.

Preferably, an installation groove is formed in the side wall of the throttle cover, and the heat conducting sheet is fixed in the installation groove.

Preferably, the heat-conducting cover comprises a heat-conducting pad and a positioning sleeve, wherein the positioning sleeve is arranged on the side wall of the throttle cover, the positioning sleeve is communicated with the mounting groove, and the positioning sleeve is opposite to the heat-conducting pad.

Preferably, the middle part of the heat-conducting strip is exposed outside the mounting groove, and the sensor is arranged in the middle part of the heat-conducting strip.

The technical scheme has the following advantages or beneficial effects:

the cooling system of the electronic throttle sensor has the characteristics of simple structure, low cost and simple manufacturing process, can realize the arrangement of the cooling system by occupying less space, ensures that the sensor can normally work in a high-temperature environment, and well meets the ultra-high temperature application working condition.

Drawings

FIG. 1 is an exploded schematic view of an electronic throttle sensor cooling system according to the present invention;

FIG. 2 is a schematic view showing the internal structure of a throttle cover in the present invention;

FIG. 3 is a schematic view of the internal structure of the throttle aluminum body in the present invention.

In the figure: 1. a throttle aluminum body; 2. a throttle cover; 3. a heat conductive sheet; 4. a gear pin; 5. a sensor; 6. a cooling pipeline; 7. a thermally conductive pad; 8. a water inlet pipe; 9. a water outlet pipe; 10. a positioning sleeve.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

FIG. 1 is an exploded schematic view of an electronic throttle sensor cooling system according to the present invention; FIG. 2 is a schematic view showing the internal structure of a throttle cover in the present invention; fig. 3 is a schematic diagram of an internal structure of a throttle aluminum body according to the present invention, please refer to fig. 1 to 3, which illustrate a preferred embodiment, and illustrate a cooling system of an electronic throttle sensor 5, which includes a throttle aluminum body 1 and a throttle cover 2 disposed at an upper end of the throttle aluminum body 1, and further includes a heat conducting plate 3, a gear pin 4, a sensor 5 and a cooling pipeline 6, wherein the upper end of the throttle aluminum body 1 is provided with the gear pin 4, one end of the gear pin 4 extends into the throttle aluminum body 1, the inner wall of the throttle cover 2 is provided with the heat conducting plate 3, the sensor 5 is disposed on the heat conducting plate 3, one side of the heat conducting plate 3 abuts against the other end of the gear pin 4, the inside of the throttle aluminum body 1 is provided with the cooling pipeline 6, and one end of the gear pin 4 abuts against the cooling pipeline 6. In this embodiment, as shown in fig. 1, the throttle cover 2 is detachably connected to the throttle aluminum body 1, the throttle aluminum body 1 is made of metal, and the heat conducting sheet 3 is made of metal and is used for conducting heat of the sensor 5 to the heat conducting sheet 3, conducting the heat conducting sheet 3 to the gear pin 4, conducting the heat conducting sheet 3 to the throttle aluminum body 1 through the gear pin 4, and continuously pouring cooling water into the cooling pipeline 6 to exchange heat with the heat conducted by the gear pin 4, so as to achieve the cooling effect of the sensor 5. According to the cooling system of the electronic throttle sensor 5, through thermal simulation analysis, the temperature of the throttle angle sensor 5 can be effectively controlled below 180 ℃ under the ambient temperature of 200 ℃ and the air inlet temperature of 210 ℃, so that the electronic throttle can meet the ultrahigh-temperature application working condition, and the service life and the precision of the throttle angle sensor 5 are not influenced.

Further, as a preferred embodiment, the other side of the heat-conducting sheet 3 is molded on the inner wall of the throttle cover 2.

Further, as a preferred embodiment, the gear pin further includes a heat conduction pad 7, the heat conduction pad 7 is disposed on one side of the heat conduction sheet 3, and the heat conduction sheet 3 abuts against the other end of the gear pin 4 through the heat conduction pad 7. In the present embodiment, as shown in fig. 1 and 2, the heat conductive pad 7 is in contact with the heat conductive sheet 3, and can effectively conduct heat of the heat conductive sheet 3 to the gear pin 4. The heat conducting pad 7 in this embodiment is made of soft rubber, and after the throttle cover 2 is mounted on the throttle aluminum body 1, the heat conducting sheet 3 and the gear pin 4 extrude the heat conducting pad 7, so that the three are in close contact, and the heat conducting effect is ensured.

Further, as a preferred embodiment, the cooling system further comprises a water inlet pipe 8 and a water outlet pipe 9, wherein the water inlet pipe 8 is connected with one end of the cooling pipeline 6, and the water outlet pipe 9 is connected with the other end of the cooling pipeline 6. In this embodiment, the water inlet pipe 8 is connected to the water inlet of the cooling pipeline 6, the water outlet pipe 9 is connected to the water outlet of the cooling pipeline 6, and the cooling water is continuously pumped into the cooling pipeline 6 through the water inlet pipe 8, and the cooling water after heat exchange is discharged from the water outlet.

Further, as a preferred embodiment, a mounting groove is formed on the side wall of the throttle cover 2, and the heat conducting fin 3 is fixed in the mounting groove. In the present embodiment, as shown in fig. 2, a mounting groove is provided in the inner wall of the upper side of the throttle cover 2, and one side of the mounting groove is high and the other side is low, both sides of the mounting groove are located on the inner wall of the throttle cover 2, one side of the heat conducting strip 3 is located inside the other side of the mounting groove, and the other side of the heat conducting strip 3 is located inside one side of the mounting groove. The sensor 5 is arranged in the middle of the heat conducting fin 3, and the sensor 5 is coated on the heat conducting fin 3.

Further, as a preferred embodiment, the thermal insulation cover further comprises a positioning sleeve 10, the positioning sleeve 10 is arranged on the side wall of the throttle cover 2, the positioning sleeve 10 is communicated with the installation groove, and the positioning sleeve 10 is opposite to the thermal pad 7. In this embodiment, as shown in fig. 2, the positioning sleeve 10 is opposite to the heat conducting pad 7, and the upper end of the gear pin 4 is inserted into the positioning sleeve 10 and abuts against the heat conducting pad 7. In the present embodiment, the positioning sleeve 10 is integrally connected to the throttle cover 2.

Further, as a preferred embodiment, the middle part of the heat conducting strip 3 is exposed outside the mounting groove, and the sensor 5 is disposed in the middle part of the heat conducting strip 3.

In this embodiment, the sensor 5 is connected to the heat-conducting strip 3, the heat-conducting strip 3 is connected to the gear pin 4 through the heat-conducting pad 7, and the gear pin 4 is cooled by the cooling pipeline 6 beside the gear pin, so that the temperature of the throttle sensor 5 can be effectively maintained below 180 ℃ by the whole system at the ambient temperature of 200 ℃ and the intake temperature of 210 ℃. The cooling system of the electronic throttle sensor 5 has the characteristics of simple structure, low cost and simple manufacturing process, can realize the arrangement of the cooling system by occupying less space, ensures that the sensor 5 can normally work in a high-temperature environment, and well meets the ultra-high temperature application working condition.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims

1. The cooling system of the electronic throttle valve sensor comprises a throttle valve aluminum body and a throttle valve cover arranged at the upper end of the throttle valve aluminum body, and is characterized by further comprising a heat conducting sheet, a gear pin, a sensor and a cooling pipeline, wherein the gear pin is arranged at the upper end of the throttle valve aluminum body, one end of the gear pin extends into the throttle valve aluminum body, the heat conducting sheet is arranged on the inner wall of the throttle valve cover, the sensor is arranged on the heat conducting sheet, one side of the heat conducting sheet abuts against the other end of the gear pin, the cooling pipeline is arranged inside the throttle valve aluminum body, and one end of the gear pin abuts against the cooling pipeline.

2. The electronic throttle sensor cooling system of claim 1, wherein the other side of the thermally conductive sheet is over-molded on an inner wall of the throttle cover.

3. The electronic throttle sensor cooling system according to claim 1, further comprising a heat conduction pad, the heat conduction pad being provided on one side of the heat conduction sheet, and the heat conduction sheet being abutted against the other end of the gear pin via the heat conduction pad.

4. The electronic throttle sensor cooling system as defined in claim 1, further comprising a water inlet pipe and a water outlet pipe, the water inlet pipe being connected to one end of the cooling pipeline, the water outlet pipe being connected to the other end of the cooling pipeline.

5. The cooling system for an electronic throttle sensor according to claim 3, wherein a mounting groove is formed in a side wall of the throttle cover, and the heat-conducting fin is fixed in the mounting groove.

6. The electronic throttle sensor cooling system according to claim 5, further comprising a locating sleeve provided on a side wall of the throttle cover, the locating sleeve communicating with the mounting groove, and the locating sleeve facing the thermal pad.

7. The electronic throttle sensor cooling system according to claim 5, wherein a middle portion of the thermally conductive sheet is exposed to an outside of the mounting groove, and the sensor is provided in the middle portion of the thermally conductive sheet.