VPX case heat dissipation structure with vapor chamber

Abstract

The VPX case heat dissipation structure comprises a rectangular frame, a front cover plate, a rear cover plate, an upper cover plate and a lower cover plate are installed on the front portion, the rear portion, the upper portion and the lower portion of the rectangular frame through screws respectively, side cover plates are installed on the left side and the right side of the rectangular frame through screws respectively, and an exhaust fan is installed at the position, corresponding to an air outlet, of the inner side of the front cover plate. Inserting grooves are formed in the two sides of the outer portion of an air inlet of the rear cover plate, filtering frames are inserted into the inserting grooves, a box body is installed in the rectangular frame, soaking plates are installed on the outer sides of the left side and the right side of the box body, a plurality of horizontally-arranged heat dissipation fins are fixed to the outward sides of the soaking plates, heat conduction plates are fixed to the side faces of the heat dissipation fins, and the heat conduction plates make contact with the inner walls of the side cover plates. The heat uniformizing plates are arranged on the left side and the right side of the box body of the heat dissipation structure, heat in the box body can be rapidly and evenly absorbed and conducted to the heat dissipation fins outside, meanwhile, the heat conduction plates on the side faces of the heat dissipation fins make close contact with the inner walls of the side cover plates of the case, and the heat can be dissipated to the surrounding environment through the large surface area of the side cover plates.

Description

Technical Field

[0001] This utility model relates to the field of VPX chassis technology, specifically a VPX chassis heat dissipation structure with a heat spreader. Background Technology

[0002] In the current field of electronic devices, VPX technology, with its advantages of high bandwidth, high reliability, and modularity, is widely used in military, aerospace, and communications sectors where performance requirements are extremely stringent. As a key component housing VPX modules, the performance of the VPX chassis directly affects the stability and reliability of the entire system. Heat dissipation is one of the key factors ensuring the normal operation of the VPX chassis. Traditional VPX chassis cooling methods typically employ simple air cooling, using air inlets and outlets at the front and rear of the chassis with fans. When the fans start, they create airflow within the chassis, thus removing heat. However, this method has limited effectiveness in cooling high-power-density VPX modules.

[0003] Therefore, this utility model provides a VPX chassis heat dissipation structure with a heat spreader to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a VPX chassis heat dissipation structure with a heat spreader, thereby solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] The VPX chassis cooling structure with a heat spreader includes a rectangular frame. A front cover, rear cover, upper cover, and lower cover are screwed onto the front, rear, top, and bottom of the rectangular frame. Side covers are screwed onto both sides of the frame. An air outlet is located on the front cover, with an exhaust fan installed on its inner side corresponding to the outlet. An air inlet is located on the rear cover, with slots on both sides of the inlet for inserting filter frames. A limit block is located below the air inlet, supporting the bottom of the filter frames. A housing is installed inside the rectangular frame, with heat spreaders installed on the outer sides of both sides. Multiple horizontally arranged heat dissipation fins are fixed to the outward-facing side of the heat spreaders. A heat-conducting plate is fixed to the entire side of all the heat dissipation fins, contacting the inner wall of the side cover.

[0007] As a preferred technical solution of this utility model, the filter frame includes a rectangular frame, and inserts that cooperate with slots are provided on the outer sides of the left and right sides of the rectangular frame. The rectangular frame is installed on the back cover plate through the cooperation of the inserts and slots. A dust filter is fixed on the inner side of the rectangular frame and covers the air inlet. Protrusions are provided on the top and bottom of the front of the rectangular frame.

[0008] As a preferred embodiment of this utility model, a speed control switch for turning the exhaust fan on and off and controlling the fan speed is installed on the front cover.

[0009] As a preferred technical solution of this utility model, rubber pads are fixed at the four corners of the bottom of the lower cover plate, and anti-slip textures are provided on the bottom of the rubber pads.

[0010] As a preferred embodiment of this utility model, the box body has an upward opening and multiple slots inside, with a VPX backplate installed at the bottom of its inner cavity.

[0011] As a preferred technical solution of this utility model, the rear cover is provided with an HDMI display interface, a network port, a USB interface, a DC input and network port socket, a grounding post, a fuse and a switch.

[0012] Compared with the prior art, this utility model provides a VPX chassis heat dissipation structure with a heat spreader, which has the following advantages:

[0013] 1. The VPX chassis with heat dissipation structure features heat dissipation plates on both sides of the chassis. These plates have extremely high heat conduction efficiency, quickly and evenly absorbing and transferring the heat generated by the VPX modules inside the chassis to the external heat dissipation fins. This effectively prevents heat from accumulating near the VPX modules. At the same time, the heat-conducting plates on the sides of the heat dissipation fins are in close contact with the inner wall of the chassis's side panel, further efficiently transferring the heat from the heat dissipation fins to the side panel. The large surface area of ​​the side panel then dissipates the heat into the surrounding environment, greatly enhancing the heat dissipation effect. In addition, the exhaust fan accelerates the airflow inside the chassis, creating effective air convection. This allows hot air inside the chassis to be quickly exhausted from the exhaust vents, further improving heat dissipation efficiency and ensuring that the VPX modules can operate stably in a suitable temperature environment, extending their service life.

[0014] 2. The VPX chassis cooling structure with a heat spreader effectively prevents external dust from entering the chassis and affecting the heat dissipation and operation of internal components by setting a filter frame at the air inlet. In addition, the filter frame adopts a quick-replacement design, which makes it convenient for users to replace and clean the filter frame later. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall front structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the overall rear structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of this utility model;

[0018] Figure 4This is a schematic diagram of the top cover of this utility model when opened;

[0019] Figure 5 This is a schematic diagram of the filter frame structure of this utility model.

[0020] Reference numerals: 1. Rectangular frame; 2. Front cover plate; 3. Rear cover plate; 4. Top cover plate; 5. Bottom cover plate; 6. Side cover plate; 7. Air outlet; 8. Exhaust fan; 9. Air inlet; 10. Slot; 11. Limiting block; 12. Filter frame; 1201. Rectangular frame; 1202. Insert strip; 1203. Dust filter; 1204. Protrusion; 13. Box body; 14. Heat dissipation plate; 15. Heat dissipation fins; 16. Heat conduction plate; 17. Speed ​​control switch; 18. Rubber pad. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-5 This embodiment is a newly designed VPX chassis heat dissipation structure with a heat spreader, which aims to improve heat dissipation efficiency and facilitate cleaning and maintenance.

[0023] It includes a rectangular frame 1, which is made of aluminum alloy. A front cover 2, a rear cover 3, an upper cover 4, and a lower cover 5 are screwed onto the frame. Side cover plates 6 are screwed onto both sides of the frame. All cover plates are also made of aluminum alloy. An air outlet 7 is provided on the front cover 2, and an exhaust fan 8 is installed on its inner side corresponding to the air outlet 7. A speed control switch 17 is also installed on the front cover 2 to turn the exhaust fan 8 on and off and to control its speed. The operating status of the exhaust fan 8 can be easily controlled by operating the speed control switch 17. An air inlet 9 is provided on the rear cover 3, and slots 10 are provided on both sides of the air inlet 9. Filter frames 12 are inserted into the slots 10, and the filter frames 12 include rectangular frames. 1201, rectangular frame 1201 has inserts 1202 on its left and right outer sides that mate with slot 10. Rectangular frame 1201 is mounted on rear cover 3 via the inserts 1202 and slot 10. Dust filter 1203 is fixed inside rectangular frame 1201, covering air inlet 9 to prevent dust from entering the chassis and thus avoiding dust affecting the heat dissipation of internal components. A soft rubber pad is fixed to the back of rectangular frame 1201. After the filter frame 12 is inserted into slot 10, the soft rubber pad can make tight contact with rear cover 3, thus preventing dust from entering the chassis through the gap between rectangular frame 1201 and rear cover 3. Protrusions 1204 are provided at the top and bottom of the front of rectangular frame 1201. The design of block 1204 facilitates easy insertion and removal of the filter frame 12. A limiting block 11 is located below the outside of the air inlet 9, supporting the bottom of the filter frame 12 to prevent it from falling due to gravity. The rectangular frame 1 houses the power module and also contains a housing 13. The housing 13 has an upward-facing opening and multiple slots inside. A VPX backplate is installed at the bottom of its inner cavity. After removing the top cover 4, the VPX module can be inserted into the slots of the housing 13. Heat dissipation plates 14 are installed on both outer sides of the housing 13. Multiple horizontally arranged heat dissipation fins 15 are fixed to the outward-facing side of the heat dissipation plate 14. Through the cooperation of the heat dissipation plate 14, heat dissipation fins 15, and exhaust fan, the housing 13 and... For heat dissipation of internal components, a heat-conducting plate 16 is fixed to the side of all heat sink fins 15. The heat-conducting plate 16 contacts the inner wall of the side cover plate 6, and thermal grease is applied between them. This design can quickly transfer some of the heat on the heat sink fins 15 to the side cover plate 6 through the heat-conducting plate 16, and then dissipate it to the external environment through the side cover plate 6, thereby further improving the heat dissipation effect inside the chassis. Rubber pads 18 are fixed at the four corners of the bottom of the bottom cover plate 5. The bottom of the rubber pads 18 is provided with anti-slip texture, which can play a role in shock absorption and anti-slip. The rear cover plate 3 is provided with an HDMI display interface, a network port, a USB interface, a DC input and network port socket, a grounding post, a fuse and a switch, which facilitates the connection of external devices and ensures safe use.

[0024] This embodiment further optimizes the control of the exhaust fan 8. In this embodiment, the rectangular frame 1 is equipped with a temperature sensor and a controller. Both the exhaust fan 8 and the temperature sensor are connected to the controller. The temperature sensor is used to monitor the temperature inside the chassis in real time and feed the monitoring data back to the controller. The controller controls the opening and closing of the exhaust fan 8 and the wind speed according to the actual temperature, thereby realizing intelligent control of the exhaust fan 8 and effectively saving energy.

[0025] In actual use, if a lot of dust adheres to the dust filter screen 1203 of the filter frame 12 and affects the air intake, the protrusion 1204 on the filter frame 12 can be lifted to pull the old filter frame 12 out of the top of the slot 10, and then the new filter frame 12 can be reinserted into the slot 10 until the bottom of the filter frame 12 contacts the limiting block 11, thereby completing the replacement of the filter frame 12. The replaced filter frame 12 can be reused after cleaning.

[0026] When using the VPX chassis cooling structure with a heat spreader, the exhaust fan 8 at the corresponding air outlet 7 on the inside of the front cover 2 is turned on by the speed control switch 17. During chassis use, outside air enters through the air inlet 9 on the rear cover 3. The air enters the chassis after being filtered by the dust filter 1203 of the filter frame 12. The heat generated by the VPX module is transferred to the box 13, and then quickly absorbed and conducted by the heat spreaders 14 on the left and right sides of the box 13 to the multiple horizontally arranged heat dissipation fins 15 on the outside. The heat conduction plates 16 on the sides of all the heat dissipation fins 15 are in contact with the inner wall of the side cover 6, further transferring the heat to the side cover 6 for dissipation. At the same time, the exhaust fan 8 exhausts the hot air in the chassis from the air outlet 7, forming air convection and accelerating heat dissipation.

[0027] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A VPX chassis heat dissipation structure with a heat spreader, comprising a rectangular frame (1), characterized in that: The rectangular frame (1) is fitted with a front cover plate (2), a rear cover plate (3), an upper cover plate (4), and a lower cover plate (5) by screws at the front, back, top, and bottom. Side cover plates (6) are fitted with screws on both sides. An air outlet (7) is provided on the front cover plate (2), and an exhaust fan (8) is installed on its inner side corresponding to the air outlet (7). An air inlet (9) is provided on the rear cover plate (3), and slots (10) are provided on both sides of the outer side of the air inlet (9). A filter frame (1) is inserted into the slot (10). 2) A limiting block (11) is provided on the lower outside of the air inlet (9). The limiting block (11) is supported on the bottom of the filter frame (12). A box (13) is installed inside the rectangular frame (1). Heat dissipation plates (14) are installed on the outer sides of the left and right sides of the box (13). Multiple horizontally arranged heat dissipation fins (15) are fixed on the outer side of the heat dissipation plate (14). A heat conduction plate (16) is fixed on the entire side of all heat dissipation fins (15). The heat conduction plate (16) is in contact with the inner wall of the side cover plate (6).

2. The VPX chassis heat dissipation structure with a heat spreader according to claim 1, characterized in that: The filter frame (12) includes a rectangular frame (1201). The outer sides of the rectangular frame (1201) are provided with inserts (1202) that cooperate with the slots (10). The rectangular frame (1201) is installed on the rear cover plate (3) through the cooperation of the inserts (1202) and the slots (10). A dust filter (1203) is fixed inside the rectangular frame (1201). The dust filter (1203) covers the air inlet (9). The top and bottom of the front of the rectangular frame (1201) are provided with protrusions (1204).

3. The VPX chassis heat dissipation structure with a heat spreader according to claim 1, characterized in that: The front cover plate (2) is equipped with a speed control switch (17) for turning the exhaust fan (8) on and off and for controlling the speed of the exhaust fan (8).

4. The VPX chassis heat dissipation structure with a heat spreader according to claim 1, characterized in that: Rubber pads (18) are fixed at the four corners of the bottom of the lower cover plate (5), and anti-slip textures are provided on the bottom of the rubber pads (18).

5. The VPX chassis heat dissipation structure with a heat spreader according to claim 1, characterized in that: The box (13) has an upward opening and multiple slots inside, with a VPX backplate installed at the bottom of its inner cavity.

6. The VPX chassis heat dissipation structure with a heat spreader according to claim 1, characterized in that: The rear cover plate (3) is provided with an HDMI display interface, a network port, a USB interface, a DC input and network port socket, a grounding post, a fuse and a switch.

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