CN219016840U - Hot testing arrangement of intelligent driving domain controller - Google Patents
Hot testing arrangement of intelligent driving domain controller Download PDFInfo
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- CN219016840U CN219016840U CN202223583902.1U CN202223583902U CN219016840U CN 219016840 U CN219016840 U CN 219016840U CN 202223583902 U CN202223583902 U CN 202223583902U CN 219016840 U CN219016840 U CN 219016840U
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Abstract
The utility model provides a thermal testing device of an intelligent driving domain controller, which comprises an environment bin, wherein a heat dissipation shell is arranged in the environment bin, and a workpiece to be tested is arranged in the heat dissipation shell; the heat dissipation shell is provided with a first side face and a second side face which are oppositely arranged, a plurality of heat dissipation through holes are distributed on the first side face and the second side face, a circulating fan is arranged above the inner cavity of the environment bin, and an air outlet of the circulating fan faces to the top of the heat dissipation shell. According to the utility model, the heat dissipation shell is placed in the environmental chamber for thermal test, so that the influence of thermal convection in the environmental chamber on the temperature test result is compensated, and the test data is more accurate.
Description
Technical Field
The utility model belongs to the technical field of intelligent automobiles, relates to thermal testing of a heat dissipation assembly, and particularly relates to a thermal testing device of an intelligent driving domain controller.
Background
In recent years, the automobile industry is under subversion change, and under the development trend of dynamoelectric, intelligent and networking, a new EE architecture (electronic and electric architecture) becomes a key ring for realizing the development of the automobile industry. The automotive electronics components under the new EE architecture can be divided into five domains, and the intelligent driving domain controller (Advanced Driver Assistance System, ADAS) is one of the core domain controls. The ADAS domain control is a brain for realizing intelligent driving and is responsible for environment sensing, operation, path planning and control, great calculation power is required to be consumed, and energy consumption generated by running a large calculation power chip (SOC) is increased by orders of magnitude compared with a traditional automobile electronic processing chip, so that heat generated by the system during operation is also huge. Therefore, the risk of thermal failure faced by the intelligent automobile is also high, so that the thermal test and the temperature test are very critical verification items for ADAS domain control, directly influence the reliability, service life and safety of the domain control product, and further influence the running safety of the intelligent automobile and the life safety of passengers.
The heat transfer is divided into heat conduction, heat convection and heat radiation, and the result of the temperature test can be influenced by changing the heat transfer condition or changing the heat radiation state of the actual product. The verification standard of the temperature test is often referred to the IEC60068 standard requirement, the standard has different requirements on test environments of a heat dissipation sample and a non-heat dissipation sample, and the test is required to be carried out on a heat dissipation test piece in an environment without forced air flow, otherwise, the heat convection heat dissipation effect of the sample is additionally enhanced, the temperature of the test piece is reduced, and error test data and conclusions are obtained.
ADAS domain control belongs to a heat dissipation test piece, and data and conclusions of temperature tests of the ADAS domain control can directly influence the quality of intelligent driving automobiles. However, in the conventional temperature test equipment, in order to keep the temperature of each area in the cabin uniform, the interior of the temperature test equipment pushes the airflow in the cabin to flow through a fan so as to achieve the temperature balance in the cabin. At present, the wind speed flow in the high-low temperature environment box used in the market can be more than 1.5m/s on average at the air outlet, which is obviously different from the test environment requirement required by ADAS domain control.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide the thermal testing device of the intelligent driving domain controller, and the heat dissipation shell is arranged in the environmental bin for thermal testing so as to compensate the influence of the thermal convection in the environmental bin on the temperature test result, so that the test data is more accurate, the conclusion is more in accordance with the actual use scene requirement of the intelligent automobile, and the thermal performance of ADAS domain control is more accurately evaluated.
The system has higher safety, stability and reliability.
To achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a thermal testing device of an intelligent driving domain controller, which comprises an environment bin, wherein a heat dissipation shell is arranged in the environment bin, and a workpiece to be tested is arranged in the heat dissipation shell;
the heat dissipation shell is provided with a first side face and a second side face which are oppositely arranged, a plurality of heat dissipation through holes are distributed on the first side face and the second side face, a circulating fan is arranged above the inner cavity of the environment bin, and an air outlet of the circulating fan faces to the top of the heat dissipation shell.
According to the heat testing device of the intelligent driving domain controller, the workpiece to be tested is placed in the heat dissipation shell of the environment bin, the heat dissipation shell blocks the air flow provided by the circulating fan, part of the air flow bypasses two sides of the heat dissipation shell and enters the heat dissipation shell through the heat dissipation through holes at two sides to be in contact with the workpiece to be tested, the air flow convection at two sides is weakened mutually and then flows out of the heat dissipation through holes, part of the temperature inside the heat dissipation shell is taken away, the continuous temperature rise is prevented, the air flow stability of the whole vehicle environment is simulated, and the intelligent driving domain controller meets the actual use scene requirements of an intelligent automobile.
The thermal testing device provided by the utility model is suitable for thermal testing of a heat dissipation workpiece, and the intelligent driving domain controller is used as a heat dissipation workpiece, so that the thermal testing device provided by the utility model can be used for thermal testing.
In a preferred embodiment of the present utility model, the diameter of the heat dissipation through hole is 5 to 20mm, for example, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 13mm, 15mm, 16mm, 18mm or 20mm, but the present utility model is not limited to the above-mentioned values, and other values not shown in the above-mentioned value range are equally applicable.
As a preferable technical scheme of the utility model, the environment bin is provided with an induced air window, the circulating fan is arranged at the induced air window, and the induced air window is also provided with a first filter screen.
As a preferable technical scheme of the utility model, a temperature control module is arranged outside the environmental chamber, the temperature control module comprises a fan, a compression device, a gas storage device and a heating device which are sequentially connected along the gas flowing direction, and the outlet end of the heating device is connected with the induced air window through an air supply pipeline.
As a preferable technical scheme of the utility model, the temperature control module further comprises a first temperature sensing assembly, a second temperature sensing assembly and a control panel, wherein the control panel is respectively and electrically connected with the first temperature sensing assembly and the second temperature sensing assembly.
The first temperature sensing assembly is arranged on the inner cavity wall of the environment bin and used for detecting the temperature in the environment bin, and the second temperature sensing assembly is arranged on the inner cavity wall of the heat dissipation shell and used for detecting the temperature in the heat dissipation shell.
The control panel is provided with a display screen, and the display screen is used for displaying the real-time temperature in the environment bin and the heat dissipation shell.
As a preferable technical scheme of the utility model, a supporting frame is arranged in the environment bin, and the heat dissipation shell is fixed on the supporting frame.
As a preferable technical scheme of the utility model, a return air channel is arranged below the supporting frame and is communicated with the interior of the environmental bin.
As a preferable technical scheme of the utility model, a second filter screen is arranged in the return air channel.
As a preferable technical scheme of the utility model, the environment bin is provided with a sealing bin door, and the sealing bin door is a heat-insulating door plate.
As a preferable technical scheme of the utility model, at least one side outer wall surface of the environmental chamber is provided with a visual window, and the visual window is used for observing the interior of the environmental chamber.
To help those skilled in the art better understand the overall technical solution and operation of the present utility model, the present utility model illustratively provides the following specific operation of a thermal test device having a Guan Zhijia domain controller:
the heat dissipation shell is arranged on a supporting frame in the environment bin, and the workpiece to be tested is placed in the heat dissipation shell. And then starting the temperature control module, and sequentially sending air into the compression device and the heating device by the fan to heat to obtain hot air flow, and conveying the hot air to an induced air window of the environmental bin through an air supply pipeline. The circulating fan at the induced air window blows the hot air flow to the heat dissipation shell, and the hot air flow bypasses two sides of the heat dissipation shell due to the blocking of the top wall surface and the rear side wall surface of the heat dissipation shell. The part of hot air flow is divided into two paths, namely a first air flow and a second air flow, wherein the first air flow enters the inside of the heat dissipation shell through the heat dissipation through hole on the first side surface of the heat dissipation shell and contacts with the workpiece to be tested, and the second air flow enters the inside of the heat dissipation shell through the heat dissipation through hole on the second side surface of the heat dissipation shell and contacts with the workpiece to be tested. After the convection of the first air flow and the second air flow entering the heat dissipation shell is weakened mutually, the first air flow flows out of the heat dissipation through holes on the second side face of the heat dissipation shell, the second air flow flows out of the heat dissipation through holes on the first side face of the heat dissipation shell, and meanwhile, part of the temperature inside the heat dissipation shell is taken away, so that the temperature is prevented from continuously rising. The air flow flowing out of the heat dissipation shell and part of the hot air flow reenters the return air channel and then flows to the circulating fan to realize air flow circulation. Simultaneously, the first temperature sensing assembly detects the temperature in the environment bin, and the second temperature sensing assembly detects the temperature in the heat dissipation shell, and real-time temperature data transmission and display are carried out on the control panel, so that an operator can regulate and control the temperature.
Compared with the prior art, the utility model has the beneficial effects that:
according to the heat testing device of the intelligent driving domain controller, the workpiece to be tested is placed in the heat dissipation shell of the environment bin, so that air flow provided by the circulating fan bypasses two sides of the heat dissipation shell, part of the air flow enters the heat dissipation shell through the heat dissipation through holes at two sides and contacts with the workpiece to be tested, the air flow convection at two sides weakens each other and then flows out of the heat dissipation through holes, part of the temperature in the heat dissipation shell is taken away, the temperature is prevented from continuously rising, the influence of the heat convection in the environment bin on the temperature test result is compensated, the test data is more accurate, the conclusion is more in accordance with the actual use scene requirement of an intelligent automobile, and the heat performance of ADAS domain control is more accurately evaluated.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation housing according to an embodiment of the present utility model;
FIG. 2 is a front view of an environmental chamber provided in accordance with one embodiment of the present utility model;
FIG. 3 is a side view of an environmental chamber provided in accordance with one embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a thermal testing apparatus for a domain controller according to an embodiment of the present utility model.
Wherein, 1-an environmental bin; 2-a heat dissipation shell; 3-a first side; 4-a second side; 5-heat dissipation through holes; 6-a circulation fan; 7-an air supply pipeline; 8-a return air channel; 9-a fan; 10-compression means; 11-heating means; 12-supporting frames; 13-the workpiece to be tested.
Detailed Description
It is to be understood that in the description of the present utility model, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature.
It should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
It will be appreciated by those skilled in the art that the present utility model necessarily includes the necessary piping, conventional valves and general pumping equipment for achieving process integrity, but the foregoing is not a major innovation of the present utility model, and that the present utility model is not particularly limited to this, as the skilled person can add the layout by himself based on the process flow and the equipment configuration options.
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
In a specific embodiment, the utility model provides a thermal testing device of an intelligent driving domain controller, which comprises an environment bin 1, wherein a heat dissipation shell 2 shown in fig. 1 is arranged in the environment bin 1, and a workpiece 13 to be tested is arranged in the heat dissipation shell 2;
as shown in fig. 2 and 3, the heat dissipation casing 2 has a first side 3 and a second side 4 that are disposed opposite to each other, a plurality of heat dissipation through holes 5 are distributed on the first side 3 and the second side 4, a circulation fan 6 is disposed above an inner cavity of the environmental chamber 1, and an air outlet of the circulation fan 6 faces to the top of the heat dissipation casing 2.
The fan is adopted in the common high-low temperature environment box bin to provide output airflow with balanced temperature for the interior of the environment bin 1, the airflow can be directly swept by the surface of the workpiece 13 to be tested, the surface temperature of the workpiece 13 to be tested is taken away, and therefore the internal temperature accumulation of products is reduced, and the maximum temperature of the heat dissipation workpiece can not be reached under the high-temperature environment. According to the utility model, the workpiece 13 to be tested is arranged in the heat dissipation shell 2 of the environment bin 1, and due to the blocking of the heat dissipation shell 2, the air flow provided by the circulating fan 6 bypasses two sides of the heat dissipation shell 2, part of the air flow enters the heat dissipation shell 2 through the heat dissipation through holes 5 at two sides and contacts with the workpiece 13 to be tested, the air flow convection at two sides is weakened mutually and then flows out through the heat dissipation through holes 5, and meanwhile, part of the temperature in the heat dissipation shell 2 is taken away, so that the continuous temperature rise is prevented, the air flow stability of the whole vehicle environment space is simulated, and the actual use scene requirement of the intelligent automobile is more met.
The circulating fan 6 is positioned above the heat dissipation shell 2 and is fixed on the inner cavity wall of the environmental chamber 1, and can be the top surface of the inner cavity of the environmental chamber 1 or the side wall surface of the inner cavity of the environmental chamber 1. The air flow blown by the circulation fan 6 is blocked by the top surface of the heat dissipation housing 2 and one side (not the first side 3 and the second side 4) close to the circulation fan 6, and part of the air flow bypasses two sides of the heat dissipation housing 2 and enters the heat dissipation housing 2 through the first side 3 and the second side 4 respectively and contacts the workpiece 13 to be tested.
In some embodiments, the diameter of the heat dissipation through hole 5 is 5-20 mm. The heat dissipation shell 2 of the utility model can be made of stainless steel with good temperature resistance, and the first side surface 3 and the second side surface 4 are provided with the heat dissipation through holes 5 with certain diameters, so that hot air smoothly enters the heat dissipation shell 2 and is smoothly discharged out of the heat dissipation shell 2 along the opposite direction after convection is generated in the heat dissipation shell.
In some embodiments, the environmental chamber 1 is provided with an air guiding window, the circulating fan 6 is disposed at the air guiding window, and the air guiding window is further provided with a first filter screen for filtering the air flow entering the environmental chamber 1.
In some embodiments, a temperature control module is disposed outside the environmental chamber 1, as shown in fig. 4, the temperature control module includes a fan 9, a compression device 10, a gas storage device and a heating device 11, which are sequentially connected along the gas flow direction, and an outlet end of the heating device 11 is connected with the air inducing window through an air supply pipeline 7.
In the utility model, the fan 9 sequentially sends air into the compression device 10 and the heating device 11, heats the air to obtain hot air flow, sends the hot air to the induced air window through the air supply pipeline 7, and sends the hot air into the environment bin 1 through the circulating fan 6 after filtering.
In some embodiments, the temperature control module further includes a first temperature sensing component, a second temperature sensing component, and a control panel, where the control panel is electrically connected to the first temperature sensing component and the second temperature sensing component, respectively.
The first temperature sensing assembly is arranged on the inner cavity wall of the environmental chamber 1 and used for detecting the temperature in the environmental chamber 1, and the second temperature sensing assembly is arranged on the inner cavity wall of the heat dissipation shell 2 and used for detecting the temperature in the heat dissipation shell 2.
The control panel is provided with a display screen which is used for displaying the real-time temperature in the environment bin 1 and the heat dissipation shell 2.
In some embodiments, a supporting frame 12 is disposed inside the environmental chamber 1, and the heat dissipation housing 2 is fixed on the supporting frame 12.
In some embodiments, a return air channel 8 is arranged below the support frame 12, and the return air channel 8 is communicated with the interior of the environmental chamber 1.
In some embodiments, a second filter screen is disposed in the return air channel 8. The air return channel 8 is communicated with the interior of the environmental chamber 1, so that air flow in the environmental chamber 1 enters the air return channel 8 and then enters the interior of the environmental chamber 1 to flow to the circulating fan 6, and circulation of the air flow is realized.
In some embodiments, the environmental chamber 1 is provided with a sealed chamber door, which is a thermal insulation door panel.
In some embodiments, at least one side outer wall surface of the environmental chamber 1 is provided with a visual window for viewing the interior of the environmental chamber 1.
To help those skilled in the art better understand the overall technical solution and operation of the present utility model, the present utility model illustratively provides the following specific operation of a thermal test device having a Guan Zhijia domain controller:
the heat dissipation shell 2 is placed on the supporting frame 12 in the environment bin 1, and the workpiece 13 to be tested is placed in the heat dissipation shell 2. Then the temperature control module is started, the fan 9 sequentially sends air into the compression device 10 and the heating device 11 to be heated to obtain hot air flow, and the hot air flow is conveyed to an air inducing window of the environment bin 1 through the air supply pipeline 7. The circulation fan 6 at the induced air window blows the hot air flow toward the heat dissipation housing 2, and the hot air flow bypasses both sides of the heat dissipation housing 2 due to the blocking of the top wall surface and the rear side wall surface of the heat dissipation housing 2. The partial hot air flow is divided into two paths, namely a first air flow and a second air flow, wherein the first air flow enters the heat dissipation shell 2 from the heat dissipation through hole 5 of the first side surface 3 and contacts with the workpiece 13 to be tested, and the second air flow enters the heat dissipation shell from the heat dissipation through hole 5 of the second side surface 4 of the heat dissipation shell 2 and contacts with the workpiece 13 to be tested. After the convection of the first air flow and the second air flow entering the heat dissipation shell 2 is weakened mutually, the first air flow flows out of the heat dissipation through holes 5 of the second side surface 4 of the heat dissipation shell 2, the second air flow flows out of the heat dissipation through holes 5 of the first side surface 3 of the heat dissipation shell 2, and meanwhile, part of the temperature inside the heat dissipation shell 2 is taken away, so that the temperature is prevented from continuously rising. The air flow from the heat dissipation shell 2 and part of the hot air flow re-enter the return air channel 8 and then flow to the circulating fan 6, so that the air flow circulation is realized. Meanwhile, the first temperature sensing component detects the temperature in the environmental chamber 1, the second temperature sensing component detects the temperature in the heat dissipation shell 2, and real-time temperature data are transmitted and displayed on the control panel, so that an operator can regulate and control the temperature.
According to the thermal testing device of the intelligent driving domain controller, the workpiece 13 to be tested is placed in the heat dissipation shell 2 of the environment bin 1, and the influence of heat convection in the environment bin 1 on the temperature test result is compensated, so that the test data is more accurate, the conclusion is more in accordance with the actual use scene requirement of the intelligent automobile, and the thermal performance of ADAS domain control is more accurately evaluated.
The applicant declares that the above is only a specific embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and it should be apparent to those skilled in the art that any changes or substitutions that are easily conceivable within the technical scope of the present utility model disclosed by the present utility model fall within the scope of the present utility model and the disclosure.
Claims (10)
1. The heat testing device of the intelligent driving domain controller is characterized by comprising an environment bin, wherein a heat dissipation shell is arranged in the environment bin, and a workpiece to be tested is arranged in the heat dissipation shell;
the heat dissipation shell is provided with a first side face and a second side face which are oppositely arranged, a plurality of heat dissipation through holes are distributed on the first side face and the second side face, a circulating fan is arranged above the inner cavity of the environment bin, and an air outlet of the circulating fan faces to the top of the heat dissipation shell.
2. The thermal testing apparatus of the intelligent driving domain controller according to claim 1, wherein the diameter of the heat dissipation through hole is 5-20 mm.
3. The thermal testing device of the intelligent driving domain controller according to claim 1, wherein the environmental bin is provided with an induced air window, the circulating fan is arranged at the induced air window, and the induced air window is further provided with a first filter screen.
4. The intelligent driving domain controller thermal testing device according to claim 3, wherein a temperature control module is arranged outside the environmental bin, the temperature control module comprises a fan, a compression device, a gas storage device and a heating device which are sequentially connected along the gas flow direction, and the outlet end of the heating device is connected with the induced air window through an air supply pipeline.
5. The thermal testing apparatus of the intelligent driving domain controller according to claim 4, wherein the temperature control module further comprises a first temperature sensing assembly, a second temperature sensing assembly and a control panel, the control panel being electrically connected to the first temperature sensing assembly and the second temperature sensing assembly, respectively;
the first temperature sensing component is arranged on the inner cavity wall of the environment bin and used for detecting the temperature in the environment bin, and the second temperature sensing component is arranged on the inner cavity wall of the heat dissipation shell and used for detecting the temperature in the heat dissipation shell;
the control panel is provided with a display screen, and the display screen is used for displaying the real-time temperature in the environment bin and the heat dissipation shell.
6. The intelligent driving domain controller thermal testing apparatus according to claim 4, wherein a supporting frame is provided in the environmental chamber, and the heat dissipation housing is fixed on the supporting frame.
7. The intelligent driving area controller thermal testing apparatus according to claim 6, wherein a return air channel is arranged below the supporting frame, and the return air channel is communicated with the interior of the environmental bin.
8. The intelligent driving domain controller thermal testing apparatus according to claim 7, wherein a second filter screen is disposed in the return air channel.
9. The thermal testing apparatus of the intelligent driving domain controller according to claim 1, wherein the environmental chamber is provided with a sealing chamber door, and the sealing chamber door is a thermal insulation door plate.
10. The thermal testing apparatus of the intelligent driving domain controller according to claim 1, wherein at least one side outer wall surface of the environmental chamber is provided with a visual window for observing the interior of the environmental chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223583902.1U CN219016840U (en) | 2022-12-30 | 2022-12-30 | Hot testing arrangement of intelligent driving domain controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223583902.1U CN219016840U (en) | 2022-12-30 | 2022-12-30 | Hot testing arrangement of intelligent driving domain controller |
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| Publication Number | Publication Date |
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| CN219016840U true CN219016840U (en) | 2023-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223583902.1U Active CN219016840U (en) | 2022-12-30 | 2022-12-30 | Hot testing arrangement of intelligent driving domain controller |
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- 2022-12-30 CN CN202223583902.1U patent/CN219016840U/en active Active
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