CN218603827U - Two-phase flow heat exchanger and heat exchange core thereof - Google Patents
Two-phase flow heat exchanger and heat exchange core thereof Download PDFInfo
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- CN218603827U CN218603827U CN202221935158.4U CN202221935158U CN218603827U CN 218603827 U CN218603827 U CN 218603827U CN 202221935158 U CN202221935158 U CN 202221935158U CN 218603827 U CN218603827 U CN 218603827U
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Abstract
The utility model discloses a two-phase flow heat exchanger and a heat exchange core body thereof, wherein the heat exchange core body comprises an evaporator, a condenser, an air inlet pipe and a liquid return pipe; the condenser is arranged along the vertical direction, and the plane area where the evaporator is located and the horizontal plane form an included angle with the angle theta; the evaporator comprises an evaporator main body, a first gas collecting cavity and a first liquid collecting cavity, the first gas collecting cavity and the first liquid collecting cavity are formed in the upper end and the lower end of the evaporator main body and are communicated with the evaporator main body, and the condenser comprises a condenser main body, and a second gas collecting cavity and a second liquid collecting cavity which are formed in the condenser main body; the heat exchange core body of the two-phase flow heat exchanger is suitable for a heat dissipation structure needing internal and external circulation, the condenser can be placed outside the cabinet body, the evaporator is placed inside the cabinet body for heat dissipation circulation, the heat dissipation space of the internal and external heat dissipation structures is fully utilized, the two-phase flow heat exchanger is particularly suitable for internal high-heating-value devices, the heat dissipation utilization rate is higher, and the cost is lower.
Description
Technical Field
The utility model relates to a power electronics heat dissipation technical field especially relates to a two-phase flow heat exchanger and heat transfer core thereof.
Background
The evaporator and the condenser of the two-phase flow heat exchanger and the heat exchange core body thereof in the prior art are generally placed in a cabinet, the cabinet is divided into two different cavities to place the evaporator and the condenser, and ventilation openings communicated with the outside air are formed in the different cavities, but the condenser is not placed outside the cabinet, the evaporator is placed in the heat exchange core body structure in the cabinet, and the heat dissipation space of the special heat dissipation mode is difficult to be fully utilized;
chinese utility model patent CN 114659394A discloses a heat exchange core body of a phase change heat exchanger, including the evaporimeter and with the evaporimeter intercommunication just is located the condenser of evaporimeter top, the evaporimeter with the condenser is and presets the obtuse angle and arranges, it is 100-170 to predetermine the obtuse value scope of taking.
The problem that this kind of structural style exists is that the setting of evaporimeter and condenser is internal for same cabinet, but this kind of core can not place the evaporimeter and generate heat the device and fully dispel the heat in cabinet internal portion and rack, runs into the heat radiation structure that needs inside and outside circulation, can only place in the part outside that generates heat with whole cores, leads to the radiating efficiency low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a two-phase flow heat exchanger's heat transfer core, this two-phase flow heat exchanger's heat transfer core is applicable to the heat radiation structure who needs the internal and external circulation, can place the condenser outside the cabinet body, and the evaporimeter is placed in the internal circulation that dispels the heat of cabinet, carries out make full use of to the heat dissipation space of internal and external heat radiation structure, is particularly adapted to inside high calorific capacity device, and the heat dissipation utilization ratio is higher, and the cost is lower.
In order to solve the technical problem, the utility model provides a heat exchange core body of a two-phase flow heat exchanger, which is applied to the heat dissipation of a cabinet and comprises an evaporator, a condenser, an air inlet pipe and a liquid return pipe; the condenser is placed along the vertical direction, and the plane area where the evaporator is located and the horizontal plane form an included angle with the angle theta;
the condenser comprises a condenser main body, and a second gas collecting cavity and a second liquid collecting cavity which are arranged on the condenser main body;
the condenser is arranged at the upper part of the evaporator, the air outlet end of the first air collecting cavity is communicated with the air inlet end of the second air collecting cavity through the air inlet pipe, and the liquid inlet end of the first liquid collecting cavity is communicated with the liquid outlet end of the second liquid collecting cavity through the liquid return pipe;
the evaporator is inserted into the cabinet, and the condenser is arranged outside the cabinet.
Preferably, the angle θ ranges from 0 ° to 30 °.
Preferably, the evaporator and the condenser are both microchannel heat sinks.
Preferably, the evaporator, the condenser, the air inlet pipe and the liquid return pipe are designed in an integrated mode.
Preferably, the condenser body comprises a plurality of micro-channel flat tubes connected with the second gas collecting cavity and the second liquid collecting cavity, and the evaporator body comprises a plurality of micro-channel flat tubes connected with the first gas collecting cavity and the first liquid collecting cavity.
In order to solve the technical problem, the utility model also discloses a two-phase flow heat exchanger, including foretell two-phase flow heat exchanger's heat transfer core.
Preferably, still include the heat exchanger main part, the condenser pass through the intake pipe and return the liquid pipe with the evaporimeter links together, the heat exchanger main part includes horizontal cabinet and vertical cabinet, the fan hole that is used for placing radiator fan is offered to horizontal cabinet upper surface, horizontal cabinet lower surface is provided with and is used for letting the evaporimeter directly to carry out the heat transfer of transmitting to the heat that generates heat the device and lead to the groove, vertical cabinet both sides face switches on, a side of vertical cabinet be used for with the condenser contacts with the outside air, the another side of vertical cabinet is used for the inside circulation that dispels the heat of the leading-in heat exchanger main part of air through the condenser.
Preferably, the heat generating device is a reactor.
After the structure is adopted, the heat exchange core body of the two-phase flow heat exchanger comprises an evaporator, a condenser, an air inlet pipe and a liquid return pipe; the condenser is arranged along the vertical direction, and the plane area where the evaporator is located and the horizontal plane form an included angle with the angle theta; the condenser comprises a condenser main body, and a second gas collecting cavity and a second liquid collecting cavity which are arranged on the condenser main body; the condenser is arranged at the upper part of the evaporator, the air outlet end of the first air collecting cavity is communicated with the air inlet end of the second air collecting cavity through the air inlet pipe, and the liquid inlet end of the first liquid collecting cavity is communicated with the liquid outlet end of the second liquid collecting cavity through the liquid return pipe; this two-phase flow heat exchanger's heat transfer core is applicable to the heat radiation structure who needs internal and external circulation, can place the condenser outside the cabinet body, and the evaporimeter is placed in the cabinet body and is carried out the heat dissipation circulation, carries out make full use of to the heat dissipation space of internal and external heat radiation structure, is particularly suitable for inside high heat value device, and the heat dissipation utilization ratio is higher, and the cost is lower.
Drawings
Fig. 1 is an overall structural view of a heat exchange core of a two-phase flow heat exchanger according to the present invention;
fig. 2 is a second overall structure diagram of a heat exchange core of a two-phase flow heat exchanger according to the present invention;
fig. 3 is an overall structure diagram of a two-phase flow heat exchanger according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example one
Referring to fig. 1 to 2, fig. 1 is a first overall structural view of a heat exchange core of a two-phase flow heat exchanger according to the present invention; fig. 2 is a second overall structure diagram of a heat exchange core of a two-phase flow heat exchanger according to the present invention;
the embodiment discloses a heat exchange core 10 of a two-phase flow heat exchanger, which is applied to heat dissipation of a cabinet and comprises an evaporator 14, a condenser 11, an air inlet pipe 13 and a liquid return pipe 12; the condenser 11 is arranged along the vertical direction, and the plane area where the evaporator 14 is located and the horizontal plane form an included angle with the angle theta;
the evaporator 14 includes an evaporator main body 142, and a first gas collecting chamber 141 and a first liquid collecting chamber 143 which are provided at upper and lower ends of the evaporator main body 142 and communicated with the evaporator main body 142, and the condenser 11 includes a condenser main body 112, and a second gas collecting chamber 111 and a second liquid collecting chamber 113 which are provided on the condenser main body 112;
the condenser 11 is arranged at the upper part of the evaporator 14, the air outlet end of the first air collecting cavity 141 is communicated with the air inlet end of the second air collecting cavity 111 through an air inlet pipe 13, and the liquid inlet end of the first liquid collecting cavity 143 is communicated with the liquid outlet end of the second liquid collecting cavity 113 through a liquid return pipe 12;
the evaporator is inserted into the cabinet, and the condenser is arranged outside the cabinet.
Example two
In this embodiment, based on the first embodiment, in this embodiment, the value of the angle θ ranges from 0 ° to 30 °.
EXAMPLE III
The present embodiment is based on the first embodiment, and in the present embodiment, both the evaporator 14 and the condenser 11 are microchannel radiators.
The evaporator 14, the condenser 11, the air inlet pipe 13 and the liquid return pipe 14 are designed in an integrated manner.
The condenser body 112 includes a plurality of microchannel flat tubes connected to the second gas collecting chamber 111 and the second liquid collecting chamber 113, and the evaporator body 142 includes a plurality of microchannel flat tubes connected to the first gas collecting chamber 141 and the first liquid collecting chamber 143.
Example four
The embodiment discloses a two-phase flow heat exchanger 20, which includes a heat exchange core 10 of the two-phase flow heat exchanger according to any one of the first to third embodiments, and a heat exchanger main body 23, wherein a condenser 11 is connected with an evaporator 14 through an air inlet pipe 13 and a liquid return pipe 12, the heat exchanger main body 23 includes a horizontal cabinet 24 and a vertical cabinet 21, a fan hole 25 for placing a heat dissipation fan is formed in the upper surface of the horizontal cabinet 24, a heat transfer through groove for directly transferring heat of a heating device by the evaporator is formed in the lower surface of the horizontal cabinet 24, two side surfaces of the vertical cabinet 21 are communicated, one side surface of the vertical cabinet 21 is used for contacting the condenser with outside air, and the other side surface of the vertical cabinet is used for guiding air passing through the condenser 11 into the heat exchanger main body 23 to perform heat dissipation circulation.
In the present embodiment, the preferred heat generating device is a reactor, and in other embodiments, the heat generating device may be another type of heat generating device.
The heat exchange core body of the two-phase flow heat exchanger is suitable for a heat dissipation structure needing internal and external circulation, the condenser can be placed outside the cabinet body, the evaporator is placed inside the cabinet body for heat dissipation circulation, the heat dissipation space of the internal and external heat dissipation structures is fully utilized, the two-phase flow heat exchanger is particularly suitable for internal high-heating-value devices, the heat dissipation utilization rate is higher, and the cost is lower.
It should be understood that the above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.
Claims (8)
1. A heat exchange core body of a two-phase flow heat exchanger is applied to heat dissipation of a cabinet and is characterized by comprising an evaporator, a condenser, an air inlet pipe and a liquid return pipe; the condenser is placed along the vertical direction, and the plane area where the evaporator is located and the horizontal plane form an included angle with the angle theta;
the condenser comprises a condenser main body, and a second gas collecting cavity and a second liquid collecting cavity which are arranged on the condenser main body;
the condenser is arranged at the upper part of the evaporator, the air outlet end of the first air collecting cavity is communicated with the air inlet end of the second air collecting cavity through the air inlet pipe, and the liquid inlet end of the first liquid collecting cavity is communicated with the liquid outlet end of the second liquid collecting cavity through the liquid return pipe;
the evaporator is inserted into the cabinet, and the condenser is arranged outside the cabinet.
2. The heat exchange core of the two-phase flow heat exchanger of claim 1, wherein the angle θ ranges from 0 ° to 30 °.
3. The heat exchange core of the two-phase flow heat exchanger of claim 1, wherein the evaporator and the condenser are both microchannel heat sinks.
4. The heat exchange core of a two-phase flow heat exchanger as recited in claim 1 wherein the evaporator, the condenser, the inlet tube and the return tube are of one-piece design.
5. A heat exchange core for a two-phase flow heat exchanger as defined in claim 1, wherein the condenser body includes a plurality of microchannel flat tubes connecting the second gas collecting chamber and the second liquid collecting chamber, and the evaporator body includes a plurality of microchannel flat tubes connecting the first gas collecting chamber and the first liquid collecting chamber.
6. A two-phase flow heat exchanger comprising the heat exchange core of the two-phase flow heat exchanger according to any one of claims 1 to 5.
7. The two-phase flow heat exchanger according to claim 6, further comprising a heat exchanger body, wherein the condenser is connected to the evaporator through an intake duct and a return duct, the heat exchanger body includes a horizontal cabinet and a vertical cabinet, a fan hole for placing a cooling fan is formed in an upper surface of the horizontal cabinet, a heat transfer channel for allowing the evaporator to directly transfer heat generated by a heat generating device is formed in a lower surface of the horizontal cabinet, two side surfaces of the vertical cabinet are connected, one side surface of the vertical cabinet is used for contacting the condenser with outside air, and the other side surface of the vertical cabinet is used for guiding air passing through the condenser into the heat exchanger body for heat dissipation and circulation.
8. The two-phase flow heat exchanger of claim 7, wherein the heat generating device is a reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221935158.4U CN218603827U (en) | 2022-07-25 | 2022-07-25 | Two-phase flow heat exchanger and heat exchange core thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221935158.4U CN218603827U (en) | 2022-07-25 | 2022-07-25 | Two-phase flow heat exchanger and heat exchange core thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218603827U true CN218603827U (en) | 2023-03-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221935158.4U Active CN218603827U (en) | 2022-07-25 | 2022-07-25 | Two-phase flow heat exchanger and heat exchange core thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218603827U (en) |
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2022
- 2022-07-25 CN CN202221935158.4U patent/CN218603827U/en active Active
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