CN209895255U

CN209895255U - Wind-liquid mixed heat dissipation case

Info

Publication number: CN209895255U
Application number: CN201920859352.0U
Authority: CN
Inventors: 李世龙; 鹿志遥; 高长松
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-01-03
Anticipated expiration: 2029-06-06

Abstract

A wind-liquid mixed heat dissipation case comprises a case body, a liquid cooling heat dissipation structure arranged on a main body frame of the case body, and an air cooling heat dissipation structure arranged on the main body frame and a rear cover plate and located at the top and the bottom of the liquid cooling heat dissipation structure. When the cooling liquid is normally supplied, the heat dissipation case dissipates heat through the liquid cooling heat dissipation structure, so that the temperature of components is controlled within a certain range, and the equipment normally works; when the cooling liquid is cut off from the supply, the case dissipates heat through the air cooling heat dissipation structure to take away heat generated during the operation of components in the case body, so that the equipment can also normally work in an emergency state.

Description

Wind-liquid mixed heat dissipation case

Technical Field

The utility model belongs to the technical field of the quick-witted case that dispels the heat, concretely relates to wind-liquid mixed heat dissipation machine case.

Background

With the development of modern science and technology, the heat power consumption of electronic equipment is continuously increased, so that the heat productivity is larger and larger. The larger heat reduces the working efficiency and the service life of the components, so the requirement for the heat dissipation performance of the electronic equipment is also increasing day by day. The chassis for loading the electronic equipment is generally divided into an air-cooled heat dissipation chassis and a pure liquid-cooled heat dissipation chassis, and the traditional air-cooled heat dissipation chassis has the defects of high noise, low heat dissipation efficiency, large occupied space, large influence on the surrounding environment of the chassis and the like, so that the heat dissipation requirement of the electronic equipment is difficult to meet; the pure liquid cooling heat dissipation case has the advantages of low noise, high heat dissipation efficiency, compact structure and the like, is widely applied, can better realize heat dissipation through liquid cooling under the condition of normal liquid flowing, but cannot realize better heat dissipation through the liquid cooling case when liquid is disconnected, and at the moment, a heating element in the case works in a high-temperature environment to have certain risk, so that the service life of components is shortened.

Disclosure of Invention

For solving the drawback of traditional forced air cooling machine case and pure liquid cooling machine case, the utility model aims to provide a have the integral type heat dissipation machine case of forced air cooling and liquid cooling concurrently.

The purpose of the utility model is realized by adopting the following technical scheme. According to the utility model provides an air-liquid mixed heat dissipation case, which comprises 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 both connected with a runner adapter plate, one cold plate is provided with a liquid inlet connector, the other cold plate is provided with a liquid outlet connector, a runner for flowing cooling liquid is arranged in each cold plate, and a transition runner for communicating the runners in the two cold plates to enable the cooling liquid to flow from one cold plate to the other cold plate is arranged in the 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.

Furthermore, the runner adapter plate is embedded on at least one of the two side plates.

Furthermore, the front end part of the cover plate is not in contact with the front panel, so that a gap exists between the front end part of the cover plate and the front panel to serve as an air inlet of the air duct, and the rear end part of the cover plate is abutted to the rear cover plate.

Furthermore, each cold plate is provided with a plurality of fins which are positioned in the air duct and extend along the front-back direction.

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

Furthermore, the baffle plate is fixedly connected to the rear cover plate and covers the outlet of the transition air duct, and two ends of the baffle plate are respectively connected with the two cold plates.

When the cooling liquid is normally supplied, the heat dissipation case dissipates heat through the liquid cooling heat dissipation structure, so that the temperature of components is controlled within a certain range, and the equipment normally works; when the cooling liquid is cut off from the supply, the case dissipates heat through the air cooling heat dissipation structure to take away heat generated during the operation of components in the case body, so that the equipment can also normally work in an emergency state.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of a case for heat dissipation by mixing wind and liquid according to the present invention.

Fig. 2 is a schematic perspective view of the enclosure shown in fig. 1 with a front panel, a rear cover, an upper cover, and a lower cover removed.

Fig. 3 is a front schematic view of fig. 1.

Fig. 4 is a sectional view a-a of fig. 3.

Fig. 5 is a schematic view of the rear cover plate in the present embodiment.

[ description of main element symbols ]

1: the front panel 2: rear cover plate 201: mounting hole

202: transition wind groove 2021: inlet 2022: an outlet

3: an upper side cold plate 4: lower side cold plate 5: left side plate

6: right side plate 7: flow channel adapter plate 801: handle bar

901: liquid inlet connector 902: liquid outlet connector 10: upper cover plate

11: lower cover plate 12: partition plate 13: upper air inlet

14: the lower air inlet 15: the upper fan assembly 16: lower fan assembly

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

Fig. 1 is a schematic view of an embodiment of a case for heat dissipation by mixing wind and liquid according to the present invention. This embodiment the heat dissipation machine case includes the box, set up liquid cooling heat radiation structure on the main body frame of box, set up on main body frame and back shroud and be located the air-cooled heat radiation structure of liquid cooling heat radiation structure top and bottom.

Please refer to fig. 2, the box body includes a front panel 1, a back 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 sealing performance of the internal space of the box body, in this embodiment, the upper side cold plate 3 and the lower side cold plate 4 are respectively welded with the left side plate 5 and the right side plate 6 by vacuum brazing to form a main body frame, the front panel 1 and the back cover plate 2 are respectively fixed to the main body frame by bolts, and certainly, other types of fixing modes can be adopted to construct the box body according to actual needs. The front panel 1 is used for installing components such as a handle 801 and various functional indicator lamps 802, and the rear cover plate 2 is provided with a plurality of mounting holes 201 for installing components in the box body.

Referring to fig. 4, the liquid cooling heat dissipation structure includes an upper cold plate 3, a lower cold plate 4, and a flow channel adapter plate 7, wherein a liquid inlet connector 901 for communicating with a cooling liquid inlet pipe to allow cooling liquid to enter the lower cold plate is installed on the lower cold plate 4, a liquid outlet connector 902 for communicating with a cooling liquid outlet pipe to allow cooling liquid to flow out from the upper cold plate is installed on the upper cold plate 3, and flow channels for circulating cooling liquid are installed inside the upper cold plate 3 and the lower cold plate 4, and may be S-shaped or in other shapes; the inside transition runner that is equipped with of runner keysets 7, the transition runner is linked together with the inside runner of upside cold drawing, the inside runner of downside cold drawing respectively, and the coolant liquid in the downside cold drawing of being convenient for can flow to the upside cold drawing and carry out circulation flow. In this embodiment, the flow channel adapter plate 7 is embedded in the right side plate 6, but may also be embedded in the left side plate 5 or embedded in each of the left and right side plates.

Referring to fig. 1, 4 and 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 above the upper cold plate 3, and a gap exists between the upper cover plate and the upper cold plate as an upper air duct, the lower cover plate 11 is fixed below the lower cold plate 4, and a gap exists between the upper cover plate and the lower cold plate as a lower air duct. The rear cover plate 2 is provided with two transition air ducts 202 distributed up and down, and grooves extending in the left-right direction are processed on the upper edge or the lower edge of the rear cover plate to serve as inlets 2021 of the transition air ducts, and the inlets are respectively communicated with the air outlets of the upper air duct and the lower air duct; two through holes which are distributed up and down are arranged in the middle of the rear cover plate and are used as outlets 2022 of the transition air duct, and the through holes are used for installing the upper fan assembly 15 and the lower fan assembly 16. The partition plate 12 is arranged between the upper side cold plate and the lower side cold plate and the rear cover plate and is used for separating the transition air duct from the interior of the box body and simultaneously ensuring the communication of the transition air duct and the upper air duct and the lower air duct.

In this embodiment, the front end of the upper cover plate 10 is not in contact with the front panel 1, and a gap between the front end and the front panel is used as an upper air inlet 13 of the upper air duct, and the rear end thereof is abutted to the rear cover plate 2, the front end of the lower cover plate 11 is not in contact with the front panel 1, and a gap between the front end and the front panel is used as a lower air inlet 14 of the lower air duct, and the rear end thereof is abutted to the rear cover plate 2, but other air inlets may be adopted.

Referring to fig. 2, in this embodiment, the upper cold plate 3 and the lower cold plate 4 are both provided with grooves extending in the front-rear direction, gaps exist between the upper cover plate and the upper cold plate and between the lower cover plate and the lower cold plate as air ducts through the grooves, and the rear end portions of the grooves are narrower than the front end portions, so that the air outlets of the air ducts are narrower than the air inlets, and the heat dissipation effect is improved. And a plurality of fins 17 extending in the front-rear direction are provided in the groove for enlarging the heat dissipation area.

In this embodiment, the partition plate 12 is fixedly connected to the rear cover plate 2, two ends of the partition plate are respectively connected to the upper cold plate 3 and the lower cold plate 4, and the main body of the partition plate covers the outlets 2022 of the two transition air ducts to separate the transition air ducts from the interior of the box body.

When the cooling liquid circulation cooling device is used, when 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 flows circularly from the inner part of the lower side cold plate to the inner part of the upper side cold plate through the runner adapter plate so as to take away heat generated by components in the box body during working, and the temperature of the components is controlled within a certain range, so that the equipment works normally; when the cooling liquid is in a state of being disconnected from the supply, the case dissipates heat through the air cooling heat dissipation structure, the two fans act to enable the upper side wall and the lower side wall of the box body to generate forced convection heat transfer in an air draft mode so as to take away heat generated during operation of components inside the box body, and therefore the equipment can also work normally in an emergency state.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art can make any simple modification, equivalent change and modification to the above embodiments according to the technical spirit of the present invention without departing from the technical scope of the present invention.

Claims

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.