CN209895255U - Wind-liquid mixed heat dissipation case - Google Patents

Abstract

An air-liquid mixed heat dissipation case includes a case body, a liquid-cooled heat dissipation structure arranged on a main frame of the case body, and an air-cooled heat dissipation structure disposed on the main frame and a rear cover and located at the top and bottom of the liquid-cooled heat dissipation structure. When the cooling liquid is normally supplied by the cooling case proposed by the utility model, the case is dissipated through the liquid cooling heat dissipation structure, so that the temperature of the components is controlled within a certain range, so that the equipment can work normally; The cold heat dissipation structure dissipates heat to take away the heat generated by the internal components of the box, so that the equipment can work normally in an emergency state.

Description

An air-liquid mixed cooling case

technical field

The utility model belongs to the technical field of heat-dissipating cabinets, in particular to an air-liquid mixed heat-dissipating cabinet.

Background technique

With the development of modern technology, the thermal power consumption of electronic equipment continues to increase, resulting in more and more heat generation. Larger heat reduces the working efficiency and service life of components, so the requirements for heat dissipation performance of electronic equipment are also increasing. The chassis loaded with electronic equipment is usually divided into air-cooled heat dissipation chassis and pure liquid-cooled heat dissipation chassis. Meet the needs of heat dissipation of electronic equipment; pure liquid cooling chassis has the advantages of low noise, high heat dissipation efficiency and compact structure, and has been widely used. Liquid-cooled chassis cannot achieve good heat dissipation. At this time, there is a certain risk of heating components inside the chassis working in a high temperature environment, which will shorten the working life of components.

SUMMARY OF THE INVENTION

In order to solve the drawbacks of the traditional air-cooled case and the pure liquid-cooled case, the purpose of the utility model is to propose an integrated heat-dissipating case with both air-cooling and liquid-cooling.

The purpose of the utility model is achieved by adopting the following technical solutions. An air-liquid mixed heat-dissipating case according to the utility model includes a case body formed by a front panel, a rear cover plate, two cold plates and two side plates fixedly connected, and the two cold plates are connected with the flow channel. The plates are connected, one of the cold plates is installed with a liquid inlet connector, and the other cold plate is installed with a liquid outlet connector, each cold plate is provided with a flow channel for the flow of cooling liquid, and the flow channel adapter plate is provided with a channel for connecting the two. The flow channels inside each cold plate make the cooling liquid flow from one cold plate to the transition channel of the other cold plate; each cold plate is fixed with a cover plate and there is a gap between them as an air channel for air flow. The rear cover is provided with a transition air trough which is connected with the air outlet of the air duct, and the outlet is installed with a fan assembly. clapboard.

Further, the flow channel adapter plate is embedded on at least one of the two side plates.

Further, the front end portion of the cover plate is not in contact with the front panel, so that there is a gap between the two as the air inlet of the air duct, and the rear end portion of the cover plate is in contact with the rear cover plate.

Further, each cold plate is provided with a plurality of fins located in the air duct and extending in the front-rear direction.

Further, the air outlet of the air duct is narrower than the air inlet.

Further, the partition plate is fixed on the rear cover plate and covers the outlet of the transition air groove, and the two ends of the partition plate are respectively connected with the two cold plates.

When the cooling liquid is normally supplied in the cooling case proposed by the utility model, the case is radiated through the liquid cooling heat dissipation structure, so that the temperature of the components is controlled within a certain range, so that the equipment can work normally; The cold heat dissipation structure dissipates heat to take away the heat generated by the internal components of the box, so that the equipment can work normally in an emergency state.

The above description is only an overview of the technical solutions of the present utility model, in order to understand the technical means of the present utility model more clearly, it can be implemented according to the contents of the specification, and in order to make the above-mentioned and other purposes, features and advantages of the present utility model better. It is obvious and easy to understand, and the preferred embodiments are exemplified below, and the detailed description is as follows in conjunction with the accompanying drawings.

Description of drawings

FIG. 1 is a three-dimensional schematic diagram of an embodiment of an air-liquid mixed heat dissipation case according to the present invention.

FIG. 2 is a perspective view of the chassis shown in FIG. 1 with the front panel, the rear cover, the upper cover and the lower cover removed.

FIG. 3 is a schematic front view of FIG. 1 .

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 .

FIG. 5 is a schematic diagram of the rear cover in this embodiment.

【Description of main component symbols】

1: Front panel 2: Rear cover 201: Mounting holes

202: Transition duct 2021: Import 2022: Export

3: Upper side cold plate 4: Lower side cold plate 5: Left side plate

6: Right side plate 7: Runner adapter plate 801: Handle

901: Liquid inlet connector 902: Liquid outlet connector 10: Upper cover

11: Lower cover 12: Partition 13: Upper air inlet

14: Lower air inlet 15: Upper fan assembly 16: Down fan assembly

Detailed ways

The technical solutions of the present utility model are further described in detail below in conjunction with the accompanying drawings and preferred embodiments.

Please refer to FIG. 1 , which is a schematic diagram of an embodiment of an air-liquid mixed heat dissipation case of the present invention. The heat dissipation case in this embodiment includes a case body, a liquid-cooled heat dissipation structure disposed on the main frame of the case body, and an air-cooled heat dissipation structure disposed on the main body frame and the rear cover and located at the top and bottom of the liquid-cooled heat dissipation structure.

Please refer to Figure 2 at the same time, the box body includes a front panel 1, a rear cover plate 2, an upper side cold plate 3, a lower side cold plate 4, a left side plate 5, and a right side plate 6. In order to ensure the airtightness of the inner space of the box, In this embodiment, the upper cold plate 3 and the lower cold plate 4 and the left plate 5 and the right plate 6 are respectively vacuum brazed to form the main frame, and the front plate 1 and the rear cover 2 are respectively fixed to the main frame by bolts. Of course, other types of fixed connection methods can be used to construct the box according to actual needs. The front panel 1 is used to install components such as handles 801 and various function indicator lights 802 , and the rear cover 2 is provided with a plurality of installation holes 201 for installing components in the box.

Please refer to FIG. 4 at the same time, the liquid-cooled heat dissipation structure includes an upper side cold plate 3, a lower side cold plate 4, and a flow channel adapter plate 7. The lower side cold plate 4 is installed with a cooling liquid inlet pipe for communicating with the cooling liquid to allow the cooling liquid to enter the lower side. The liquid inlet connector 901 of the side cold plate, the upper side cold plate 3 is equipped with a liquid outlet connector 902 for communicating with the cooling liquid outlet pipe to allow the cooling liquid to flow out from the upper side cold plate. The side cold plate 4 is provided with a flow channel for the circulation of cooling liquid, and the flow channel can be S-shaped or other shapes; the flow channel adapter plate 7 is provided with a transition flow channel, and the transition flow channel is respectively connected with the upper side cold plate. The inner flow channel and the inner flow channel of the lower side cold plate are connected, so that the cooling liquid in the lower side cold plate can flow to the upper side cold plate for circulating flow. In this embodiment, the flow channel adapter plate 7 is embedded on the right side plate 6 , of course, it can also be embedded on the left side plate 5 or one on each of the left and right side plates.

Please refer to FIG. 1 , FIG. 4 and FIG. 5 , the air-cooled heat dissipation structure includes an upper cover plate 10 , a lower cover plate 11 , a partition plate 12 , and a rear cover plate 2 . The upper cover plate 10 is fixed on the upper side of the upper cold plate 3 and There is a gap between the two as an upper air duct, the lower cover plate 11 is fastened to the lower side of the lower side cold plate 4 and there is a gap between the two as a lower air duct. The rear cover plate 2 is provided with two transition air grooves 202 distributed up and down. In this embodiment, grooves extending in the left and right directions are processed on the upper edge or the lower edge of the rear cover plate as the inlets 2021 of the transition air grooves. It is communicated with the air outlet of the upper air duct and the air outlet of the lower air duct; two through holes distributed up and down are opened in the middle of the rear cover plate as the outlet 2022 of the transition air groove, which is used to install the upper fan assembly 15 and the lower fan assembly 16. The partition plate 12 is arranged between the upper and lower side cold plates and the rear cover plate to separate the transition air trough from the inside of the box, and at the same time ensure the communication between the transition air trough and the upper and lower air ducts.

In this embodiment, the front end of the upper cover 10 is not in contact with the front panel 1 and the gap between the two is used as the upper air inlet 13 of the upper air duct, the rear end of which is in contact with the rear cover 2, and the lower cover The front end of the 11 is not in contact with the front panel 1 and the gap between the two is used as the lower air inlet 14 of the lower air duct, and its rear end is in contact with the rear cover 2. Of course, other forms of air inlets can also be used.

Referring to FIG. 2 , in this embodiment, the upper cold plate 3 and the lower cold plate 4 are provided with grooves extending in the front and rear directions, through which grooves are formed between the upper cover plate and the upper cold plate, There is a gap between the lower cover plate and the lower cold plate as an air duct, and the rear end of the groove is narrower than the front end, so that the air outlet of the air duct is narrower than the air inlet to improve the heat dissipation effect. At the same time, a plurality of fins 17 extending in the front-rear direction are arranged in the groove to expand the heat dissipation area.

In this embodiment, the partition plate 12 is fixedly connected to the rear cover plate 2, and its two ends are respectively connected with the upper side cold plate 3 and the lower side cold plate 4, and the main part of the partition plate 12 covers the outlets 2022 of the two transition air grooves. , to separate the transition air duct from the inside of the box.

When this embodiment is in use, when the cooling liquid is in a normal supply state, the chassis dissipates heat through the liquid cooling heat dissipation structure, the cooling liquid enters the lower side cold plate through the liquid inlet connector, and is cooled from the lower side through the flow channel adapter plate The inside of the plate flows into the upper cold plate for circulating flow, so as to take away the heat generated by the components inside the box, so that the temperature of the components can be controlled within a certain range, so that the equipment can work normally; In the state, the chassis is dissipated by the air-cooled heat dissipation structure, and the two fans act to generate forced convection heat exchange on the upper and lower side walls of the box by means of ventilation, so as to take away the heat generated by the internal components of the box, so as to make the equipment It can also work normally in emergency state.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model in any form. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solutions of the present invention.

Claims (6)

1. A wind-liquid mixed heat dissipation case is characterized by comprising a case body formed by fixedly connecting a front panel, a rear cover plate, two cold plates and two side plates, wherein the two cold plates are connected with a runner adapter plate; each cold plate is fixedly connected with a cover plate, a gap exists between the cover plate and the cold plate to serve as an air channel for air flowing, a transition air groove is formed in the rear cover plate, the inlet of the transition air groove is communicated with an air outlet of the air channel, the outlet of the transition air groove is provided with a fan assembly, and a partition plate used for separating the transition air groove from the interior of the box body is arranged between the two cold plates and the rear cover plate.

2. The air-liquid hybrid heat dissipation chassis of claim 1, wherein the flow channel adapter plate is embedded in at least one of the two side plates.

3. The case of claim 1, wherein the front end of the cover plate is not in contact with the front panel, so that a gap is formed between the front end and the front panel to serve as an air inlet of the air duct, and the rear end of the cover plate is abutted to the rear cover plate.

4. The air-liquid hybrid heat dissipation case of claim 1, wherein each cold plate has a plurality of fins located within the duct and extending in a front-to-back direction.

5. The case of claim 1, wherein the outlet of the duct is narrower than the inlet.

6. The air-liquid mixed heat dissipation cabinet as claimed in claim 1, wherein the partition plate is fixedly connected to the rear cover plate and covers the outlet of the transition air duct, and both ends of the partition plate are respectively connected to the two cold plates.

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