CN216775167U - ADAS domain controller with anti-condensation function - Google Patents
ADAS domain controller with anti-condensation function Download PDFInfo
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- CN216775167U CN216775167U CN202122671425.3U CN202122671425U CN216775167U CN 216775167 U CN216775167 U CN 216775167U CN 202122671425 U CN202122671425 U CN 202122671425U CN 216775167 U CN216775167 U CN 216775167U
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Abstract
The utility model discloses an ADAS domain controller with an anti-condensation function; the vacuum pump vacuumizes the shell through a connector, and then nitrogen or other dry gas is filled into the cavity to ensure that the internal and external pressure intensities are consistent; the controller is also provided with a breathable film, and the breathable film can block water molecules from entering and exiting the controller, but other gas molecules can enter and exit, so that the internal and external pressure intensities of the controller in different environments are consistent, and the influence on internal electronic devices is avoided; meanwhile, the domain controller also adopts a liquid cooling heat dissipation device, so that the chip can be effectively cooled; the designed sealing plug for the sealing plug position process can be repeatedly used on a production line; the designed rubber plug can be recycled after the controller to be controlled and the whole vehicle end are installed; avoids the waste of materials and reduces the assembly cost.
Description
Technical Field
The utility model relates to an automobile driving auxiliary system, in particular to an ADAS domain controller with an anti-condensation function.
Background
The concept of the domain controller was originally proposed by Tier1 including bosch, continent and delofu, in order to solve the information security and ECU bottleneck problems, and the current foreign domain controller is mainly dominated by suppliers such as wegian, continent, bosch and anbo.
As a computing center of an automatic driving system, an automatic driving domain controller is externally connected with a plurality of sensors such as a multi-path camera, a millimeter wave radar and a laser radar, a high-power-consumption chip is inevitably introduced into the automatic driving domain controller with high computing power, and high heat consumption is caused by the high power consumption, so that the performance of the whole machine is influenced, and how to ensure high-efficiency heat dissipation becomes an important link in the design process of the whole machine.
Meanwhile, because the inside temperature of the controller is higher, the condensation is easily caused by the fact that water vapor in the air inside the controller encounters a shell with a lower temperature, at normal temperature, the general temperature difference can form condensed water at 10 ℃, water drops easily drip on a circuit board to cause a circuit short circuit, and potential safety hazards are caused to automatic driving, so that the application of the condensation preventing function in the domain controller is inevitable.
Because present waterproof connector, need two connectors to be satisfied waterproofly after inserting, however, because the plate end connector is fixed on the controller, and line end connector is at whole car end, therefore, the controller itself does not have strict sealing, in the product transportation, or when the product is stored in the warehouse, can't avoid having inside and outside gas interaction, when the ambient moisture is great, have the hydrone to get into the controller, and be difficult to discharge, consequently, the product accomplishes strictly sealed, it is necessary, and present most controller does not have anti-condensing device, and present anti-cold congeals structure uses nanotechnology to carry out surface treatment to the casing, but this scheme still can't guarantee the moisture in the air and adheres to on the lower electronic components of temperature, and this technique is with high costs, and does not obtain wide application on the controller casing.
For example, chinese patent application No.: CN206728470U discloses a radiator for an automobile controller, which comprises a box body, an integrated circuit board arranged in the box body and device units arranged on the integrated circuit board, a radiating mainboard arranged in the box body, radiating assemblies distributed on the radiating mainboard, the bottom of the radiating assembly above each device unit is close to the top surface of each device unit, the bottom of the radiating assembly at one side of each device unit is close to the surface of the integrated circuit board, the side is close to the side end surface of each device unit, the bottom and the side of the radiating assembly are both provided with air suction holes, the radiating mainboard is distributed with air suction holes, the upper part of the radiating mainboard is provided with a conical cavity, and an exhaust fan is arranged at the outlet of the conical cavity. Causing negative effects on driving.
Disclosure of Invention
The utility model mainly solves the problems of insignificant condensation and heat dissipation effects and insufficient sealing performance of the traditional domain controller, and provides the ADAS domain controller with low cost and condensation prevention function.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides an ADAS domain controller with an anti-condensation function, which comprises an upper cover; a circuit board is fixed below the upper cover through screws; one side of the circuit board is provided with a connector; the circuit board is provided with a liquid cooling heat dissipation module; the liquid cooling heat dissipation module is respectively connected with the liquid inlet pipeline and the liquid outlet pipeline; an inlet at the tail end of the liquid inlet pipeline and an outlet of the liquid outlet pipeline are arranged on the side wall of the upper cover; the lower cover is provided with an air hole; the breathable film is attached to the air holes; the upper cover and the lower cover are tightly bonded through glue, and a cavity is formed inside the upper cover and the lower cover; the utility model adopts a vacuum pump to vacuumize the shell through the connector, discharges air containing water vapor out of the controller, fills nitrogen or other dry gas into the cavity to ensure the consistent internal and external pressure, installs the rubber plug on the connector after completing the operation to ensure the strict sealing of the controller, and is also provided with a breathable film which can block water molecules from entering and exiting the controller, but other gas molecules can enter and exit to ensure the consistent internal and external pressure of the controller under different environments to avoid influencing internal electronic devices.
Preferably, the liquid inlet pipeline and the liquid outlet pipeline both comprise pipelines and quick connectors, and the liquid cooling heat dissipation module is connected with the pipelines through the quick connectors; the domain controller uses a liquid cooling mode to dissipate heat, and the related liquid cooling heat dissipation pipelines can dissipate heat of any number of chips.
Preferably, the cavity is filled with a dry gas; the shell is firstly vacuumized by a vacuum pump through a connector, air containing water vapor is discharged out of the controller, and then nitrogen or other dry gas is filled into the cavity to ensure that the internal pressure and the external pressure are consistent.
Preferably, the connector is tightly adhered to the upper cover and the lower cover through glue; after the glue is tightly bonded, the rubber is more stable and is not easy to loosen, and the sealing is ensured.
Preferably, a sealing plug is arranged at the air vent; the sealing plug is installed at the position of the vent hole in the air pumping and inflating processes, and the gas interaction caused by the vent film is blocked.
Preferably, an interference amount is designed between the sealing plug and the lower cover; the sealing is ensured, the designed sealing plug is a process sealing plug, the process sealing plug can be repeatedly used on a production line, and the cost is reduced.
Preferably, the lower edge of one side of the upper cover is provided with a plurality of grooves; and the connector is matched to ensure that the connector can be perfectly connected with the lower cover.
Preferably, the rubber plug is mounted on the connector; the rubber has high elasticity, high strength and high rebound resilience, and the manufactured plugging piece can prevent air leakage and air inlet at the pin position of the connector and has good sealing property.
Preferably, the liquid cooling heat dissipation module and the circuit board are both provided with screw fixing holes, and the liquid cooling heat dissipation module and the circuit board are tightly fixed together through screws; every liquid cooling heat dissipation module all fastens on the circuit board through four screws, is difficult not hard up.
Preferably, four corners of the upper cover are provided with smooth arc surfaces; four angles become level and smooth after the chamfer is handled, be difficult for be injured, improved the security.
The utility model has the advantages that:
(1) the shell is vacuumized by a vacuum pump through a connector, air containing water vapor is discharged out of the controller, and then nitrogen or other dry gas is filled into the cavity to ensure that the internal pressure and the external pressure are consistent. After the operation is finished, the rubber plug is arranged on the connector to ensure the strict sealing of the controller;
(2) the controller is also provided with a breathable film, and the breathable film can block water molecules from entering and exiting the controller, but other gas molecules can enter and exit, so that the internal and external pressure intensities of the controller in different environments are consistent, and the influence on internal electronic devices is avoided;
(3) the domain controller also adopts a liquid cooling heat dissipation device, so that the chip can be effectively cooled;
(4) the designed sealing plug is a sealing plug for the process and can be repeatedly used on a production line, and the designed rubber plug can be recycled after the controller and the whole vehicle end are installed, so that the waste of materials is avoided, and the cost is reduced.
Drawings
Figure 1 is an exploded view of the ADAS domain controller of the present invention;
FIG. 2 is a top view of the ADAS domain controller shown removed from the cover;
FIG. 3 is a cross-sectional view of the ADAS domain controller of the present invention;
fig. 4 is a cross-sectional view of a rubber closure according to the present invention.
In the figure: 1. upper cover 2, lower cover 3, circuit board 4, connector 5, ventilated membrane 6, liquid inlet pipeline 7, liquid outlet pipeline 8, liquid cooling heat dissipation module 9, rubber plug 10, sealing plug
Detailed Description
The technical solutions of the present invention are further described below by way of examples in conjunction with the accompanying drawings, and it should be understood that the preferred examples described herein are only for illustrating and explaining the present invention, and do not limit the present invention.
Example (b): as shown in fig. 1, the present invention provides an ADAS domain controller with condensation prevention function, comprising an upper cover 1; a circuit board 3 is fixed below the upper cover 1 through screws; a connector 4 is arranged on one side of the circuit board 3; the circuit board 3 is provided with a liquid cooling heat radiation module 8; the liquid cooling heat dissipation module 8 is respectively connected with the liquid inlet pipeline 6 and the liquid outlet pipeline 7; an inlet at the tail end of the liquid inlet pipeline 6 and an outlet of the liquid outlet pipeline 7 are arranged on the side wall of the upper cover 1; the lower cover 2 is provided with an air hole; the breathable film 5 is attached in the air holes; the upper cover 1 and the lower cover 2 are tightly bonded through glue, and a cavity is formed inside; through the evacuation, the moisture in the dry gas prevents in the controller from taking place the condensation, the gas of input in the cavity can be nitrogen gas or other does not have the dry gas of hydrone, evacuation and the route of aerifing that relates to, can be the connector, also can be the hole of bleeder vent or other positions, sealed lid is installed at ventilative cap rear side, install rubber closure on the connector, all the other do not adorn, after waiting to glue dry, through the connector of not installing connector rubber closure, utilize the vacuum pump to take out the vacuum with the inside gas of controller, it has the gas of hydrone to fill nitrogen gas or other to inwards, in order to ensure that the product internal and external pressure is unanimous, pull out the gas filled pipeline, install rubber closure, demolish the sealing plug simultaneously.
As shown in fig. 1, the liquid inlet pipeline 6 and the liquid outlet pipeline 7 both include pipelines and quick connectors, and the liquid cooling heat dissipation module 8 is connected with the pipelines through the quick connectors; the domain controller uses a liquid cooling mode to dissipate heat, and related liquid cooling heat dissipation pipelines can dissipate heat of any number of chips.
The inside of a cavity formed after the installation is finished is filled with dry gas; the gas input into the cavity can be nitrogen or other dry gas without water molecules so as to ensure the consistent internal and external pressure.
As shown in fig. 1, the connector 4 is tightly adhered to the upper and lower covers by glue; the connector that uses is waterproof connector, and waterproof connector has waterproof function, even be infected with water because of various factors, can not influence working property yet, and the upper cover round is beaten and is glued to cover the lower cover, through glue closely the back more stable difficult not hard up that bonds, guarantee simultaneously sealedly.
As shown in fig. 3 and 4, a sealing plug 10 is installed at the vent hole; the sealing plug is installed at the breather hole position in the process of bleeding and inflating, and the gas interaction that leads to because of the breather film is stopped up, waits the unanimous back of the inside and outside pressure of product, pulls out the gas-filled pipeline, installs rubber closure, demolishs the sealing plug simultaneously.
As shown in fig. 3, an interference amount is designed between the sealing plug 10 and the lower cover 2; the sealing is ensured, the designed sealing plug is a process sealing plug, the process sealing plug can be repeatedly used on a production line, and the cost is reduced.
As shown in fig. 1, the lower edge of one side of the upper cover 1 is designed with a plurality of grooves; and the connector is matched to ensure that the connector can be perfectly connected with the lower cover.
As shown in fig. 2, the rubber plug 9 is mounted on the connector 4; the rubber has high elasticity, high strength and high resilience, the manufactured plugging piece can prevent air leakage and air inlet at the pin position of the connector, and also has good sealing property, and the designed rubber plugging piece can be recycled, so that the waste of materials is avoided, and the cost is reduced.
As shown in fig. 1, the liquid-cooled heat dissipation module 8 and the circuit board 3 are both provided with screw fixing holes, and the liquid-cooled heat dissipation module 8 and the circuit board 3 are tightly fixed together by screws; every liquid cooling heat dissipation module all fastens on the circuit board through four screws, is difficult not hard up.
As shown in fig. 1, four corners of the upper cover 1 are provided as smooth arc surfaces; the touch has no tip, so that the touch is not easy to be injured, and the safety is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An ADAS domain controller with condensation prevention function comprises an upper cover (1); a circuit board (3) is fixed below the upper cover (1) through screws; a connector (4) is arranged on one side of the circuit board (3); the liquid cooling heat dissipation device is characterized in that a liquid cooling heat dissipation module (8) is installed on the circuit board (3); the liquid cooling heat dissipation module (8) is respectively connected with the liquid inlet pipeline (6) and the liquid outlet pipeline (7); an inlet at the tail end of the liquid inlet pipeline (6) and an outlet of the liquid outlet pipeline (7) are arranged on the side wall of the upper cover (1); the lower cover (2) is provided with an air hole; the breathable film (5) is attached to the air holes; the upper cover (1) and the lower cover (2) are tightly bonded through glue, and a cavity is formed inside.
2. The ADAS domain controller with condensation prevention function as claimed in claim 1, wherein the liquid inlet pipe (6) and the liquid outlet pipe (7) each comprise a pipe and a quick connector, and the liquid cooling heat dissipation module (8) is connected with the pipe through the quick connector.
3. An ADAS domain controller with condensation prevention as claimed in claim 1 wherein the chamber is filled with dry gas.
4. An ADAS domain controller with condensation prevention according to claim 1, wherein the connector (4) is tightly adhered to the upper and lower covers by glue.
5. An ADAS domain controller with condensation prevention according to claim 1, characterised in that a sealing plug (10) is installed at the air vent.
6. An ADAS domain controller with condensation prevention according to claim 5, characterized in that the interference between the sealing plug (10) and the lower cover (2) is designed.
7. An ADAS domain controller with condensation prevention according to claim 1, characterised in that the lower edge of one side of the upper cover (1) is designed with several grooves.
8. An ADAS domain controller with condensation prevention according to claim 1, characterised in that the connector (4) is fitted with a rubber plug (9).
9. The ADAS domain controller with condensation prevention function as claimed in claim 1, wherein the liquid-cooled heat sink module (8) and the circuit board (3) are both provided with screw fixing holes for tightly fixing the liquid-cooled heat sink module (8) and the circuit board (3) together.
10. An ADAS domain controller with condensation prevention according to claim 1, characterized in that the four corners of the upper cover (1) are set to be smooth circular arc surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122671425.3U CN216775167U (en) | 2021-11-03 | 2021-11-03 | ADAS domain controller with anti-condensation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122671425.3U CN216775167U (en) | 2021-11-03 | 2021-11-03 | ADAS domain controller with anti-condensation function |
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| Publication Number | Publication Date |
|---|---|
| CN216775167U true CN216775167U (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122671425.3U Active CN216775167U (en) | 2021-11-03 | 2021-11-03 | ADAS domain controller with anti-condensation function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115023085A (en) * | 2022-07-22 | 2022-09-06 | 中国大恒(集团)有限公司北京图像视觉技术分公司 | Anti-condensation structure for high resolution camera |
-
2021
- 2021-11-03 CN CN202122671425.3U patent/CN216775167U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115023085A (en) * | 2022-07-22 | 2022-09-06 | 中国大恒(集团)有限公司北京图像视觉技术分公司 | Anti-condensation structure for high resolution camera |
| CN115023085B (en) * | 2022-07-22 | 2024-03-15 | 中国大恒(集团)有限公司北京图像视觉技术分公司 | Condensation preventing structure for high-resolution camera |
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