CN-122003574-A - Heat exchanger, evaporator, device, and moving object

CN122003574ACN 122003574 ACN122003574 ACN 122003574ACN-122003574-A

Abstract

The heat exchanger of the present disclosure includes an evaporator provided with an evaporator that absorbs heat from the outside and evaporates a liquid-phase working fluid into a gas phase while moving the liquid-phase working fluid by capillary force, and condenses the gas-phase working fluid guided out from the evaporator and returns the gas-phase working fluid to the evaporator as a liquid-phase working fluid, wherein the interior of the evaporator is partitioned by the evaporator, and the evaporator includes a liquid-phase accommodating chamber provided on one side as viewed from the evaporator and accommodating the liquid-phase working fluid, and a gas-phase accommodating chamber provided on the opposite side of the liquid-phase accommodating chamber through the evaporator and accommodating the gas-phase working fluid, the evaporator includes a pressing body provided on the liquid-phase accommodating chamber side as viewed from the evaporator and pressing a side surface of the liquid-phase accommodating chamber in the evaporator, the evaporator having a pressed portion that is a portion pressed by the pressing body and has higher toughness than a portion not pressed by the pressing body.

Inventors

Nagano star
WATANABE YASUSHI
Sugimoto haruhiro
TANABE SHIGEYUKI
Ma Shengren
Hokata Kazuhiro

Assignees

国立大学法人东海国立大学机构
保来得株式会社

Dates

Publication Date: 20260508
Application Date: 20241003
Priority Date: 20231006

Claims (20)

1. A heat exchanger having an evaporator provided with an evaporator body which absorbs heat from the outside and evaporates a working fluid in a liquid phase into a gas phase while moving the working fluid in the liquid phase by capillary force, the heat exchanger condensing the working fluid in the gas phase led out from the evaporator and returning the working fluid in the liquid phase to the evaporator, The inside of the evaporator is partitioned by the evaporator body, and the evaporator has a liquid-phase accommodating chamber provided on one side as viewed from the evaporator body and accommodating a working fluid in a liquid phase, and a gas-phase accommodating chamber provided on the opposite side of the liquid-phase accommodating chamber across the evaporator body and accommodating a working fluid in a gas phase, The evaporator comprises a pressing body which is arranged on the side of the liquid phase accommodating chamber when viewed from the evaporator and presses the side surface of the liquid phase accommodating chamber side in the evaporator, The evaporation body has a pressed portion, which is a portion pressed by the pressing body, and has higher toughness than a portion not pressed by the pressing body.
2. The heat exchanger of claim 1, wherein, The evaporation body is in a flat plate shape, The pressing body presses the periphery on the plate surface of the evaporation body.
3. The heat exchanger of claim 2, wherein, The plate surface of the evaporator is longer in one direction, The pressing body has an outer peripheral frame portion that presses the outer periphery of the evaporation body, and a central pressing portion that extends in a direction intersecting the one direction, connects the one-direction central sides in the outer peripheral frame portion, and presses the plate surface of the evaporation body.
4. A heat exchanger according to claim 3 wherein, The evaporator has a liquid-phase accommodation body forming the liquid-phase accommodation chamber inside, The liquid-phase container has a support portion for supporting the central pressing portion of the pressing body.
5. A heat exchanger according to claim 3 or 4 wherein, The pressing body is provided with a plurality of openings through which the liquid-phase working fluid flows toward the evaporation body, and a plurality of seals are provided at positions surrounding the openings on the plate surface of the evaporation body.
6. The heat exchanger of claim 1, wherein, The pressing body is formed with an opening through which a liquid-phase working fluid flows toward the evaporation body, and a seal is provided at a position surrounding the opening on the side surface of the evaporation body.
7. The heat exchanger of claim 6, wherein, The evaporator has a liquid-phase accommodation body forming the liquid-phase accommodation chamber inside, The thermal conductivity of the pressing body is lower than that of the liquid-phase accommodating body.
8. The heat exchanger of claim 1, wherein, The pressing body is formed with an opening through which a liquid-phase working fluid flows toward the evaporation body, and has an inclined surface that faces the opening at an upper side of the opening and that is inclined in a forward and upward direction as it separates from the side surface of the evaporation body.
9. The heat exchanger of claim 1, wherein, The pore diameter of the pressed portion in the evaporation body is smaller than that of a portion not pressed by the pressing body.
10. A heat exchanger having an evaporator provided with an evaporator body which absorbs heat from the outside and evaporates a working fluid in a liquid phase into a gas phase while moving the working fluid in the liquid phase by capillary force, the heat exchanger condensing the working fluid in the gas phase led out from the evaporator and returning the working fluid in the liquid phase to the evaporator, The inside of the evaporator is partitioned by the evaporator body, and the evaporator has a liquid-phase accommodating chamber provided on one side as viewed from the evaporator body and accommodating a working fluid in a liquid phase, and a gas-phase accommodating chamber provided on the opposite side of the liquid-phase accommodating chamber across the evaporator body and accommodating a working fluid in a gas phase, The evaporator comprises a pressing body which is arranged on the side of the liquid phase accommodating chamber when viewed from the evaporator and presses the side surface of the liquid phase accommodating chamber side in the evaporator, The evaporation body has a high-strength portion that is a portion pressed by the pressing body and has a strength higher than that of a portion not pressed by the pressing body.
11. A heat exchanger having an evaporator provided with a plate-like evaporation body that absorbs heat from the outside and evaporates a working fluid in a liquid phase into a gas phase while moving the working fluid in the liquid phase by capillary force, the heat exchanger condensing the working fluid in the gas phase conducted out of the evaporator and returning the working fluid in the liquid phase to the evaporator, The evaporator is partitioned by the flat plate-like evaporator body, and has a liquid-phase accommodating chamber provided on one side as viewed from the evaporator body and accommodating a liquid-phase working fluid, and a gas-phase accommodating chamber provided on the opposite side of the liquid-phase accommodating chamber across the evaporator body and accommodating a gas-phase working fluid, The evaporator comprises a pressing body which is arranged on the side of the liquid phase accommodating chamber when viewed from the evaporator and presses the periphery of the plate surface on the side of the liquid phase accommodating chamber in the evaporator, The plate surface of the evaporator is long in the horizontal direction, The pore diameter of the outer periphery of the plate surface in the evaporator is smaller than the pore diameter of the central side of the plate surface, The pressing body has an outer peripheral frame portion that presses the outer periphery of the evaporation body, and a central pressing portion that extends in the up-down direction, connects the horizontal central sides in the outer peripheral frame portion, and presses the plate surface of the evaporation body.
12. An evaporator comprising an evaporator body for evaporating a working fluid in a liquid phase into a gas phase while absorbing heat from the outside and moving the working fluid in the liquid phase by capillary force, wherein the evaporator flows out the working fluid in the gas phase evaporated by the evaporator body and condenses and returns the working fluid in the gas phase flowing out, The inside of the evaporator is partitioned by the evaporator body, and the evaporator has a liquid-phase accommodating chamber provided on one side as viewed from the evaporator body and accommodating a working fluid in a liquid phase, and a gas-phase accommodating chamber provided on the opposite side of the liquid-phase accommodating chamber across the evaporator body and accommodating a working fluid in a gas phase, The evaporator comprises a pressing body which is arranged on the side of the liquid phase accommodating chamber when viewed from the evaporator and presses the side surface of the liquid phase accommodating chamber side in the evaporator, The evaporation body has a pressed portion, which is a portion pressed by the pressing body, and has higher toughness than a portion not pressed by the pressing body.
13. An apparatus comprising a heat generating body and a heat exchanger, wherein the heat exchanger comprises an evaporator provided with an evaporator for absorbing heat from the heat generating body and evaporating a liquid-phase working fluid into a gas phase while moving the liquid-phase working fluid by capillary force, the heat exchanger condenses the gas-phase working fluid guided out from the evaporator and returns the condensed gas-phase working fluid to the evaporator as the liquid-phase working fluid, The inside of the evaporator is partitioned by the evaporator body, and the evaporator has a liquid-phase accommodating chamber provided on one side as viewed from the evaporator body and accommodating a working fluid in a liquid phase, and a gas-phase accommodating chamber provided on the opposite side of the liquid-phase accommodating chamber across the evaporator body and accommodating a working fluid in a gas phase, The evaporator comprises a pressing body which is arranged on the side of the liquid phase accommodating chamber when viewed from the evaporator and presses the side surface of the liquid phase accommodating chamber side in the evaporator, The evaporation body has a pressed portion, which is a portion pressed by the pressing body, and has higher toughness than a portion not pressed by the pressing body.
14. A mobile body is provided with: A driving source; A heating element for controlling the driving source, and A heat exchanger including an evaporator provided with an evaporator that absorbs heat from the heat generating body and evaporates a liquid-phase working fluid into a gas phase while moving the liquid-phase working fluid by capillary force, the heat exchanger condensing the gas-phase working fluid guided out from the evaporator and returning the liquid-phase working fluid to the evaporator, The moving body is driven to move by the driving source, wherein, The inside of the evaporator is partitioned by the evaporator body, and the evaporator has a liquid-phase accommodating chamber provided on one side as viewed from the evaporator body and accommodating a working fluid in a liquid phase, and a gas-phase accommodating chamber provided on the opposite side of the liquid-phase accommodating chamber across the evaporator body and accommodating a working fluid in a gas phase, The evaporator comprises a pressing body which is arranged on the side of the liquid phase accommodating chamber when viewed from the evaporator and presses the side surface of the liquid phase accommodating chamber side in the evaporator, The evaporator has a pressed portion which is a portion pressed by the pressing body and has toughness higher than that of a portion not pressed by the pressing body, The evaporator has a housing, the interior of which is partitioned by the evaporator body, the housing being provided with the liquid-phase accommodation chamber and the gas-phase accommodation chamber, The long dimension direction of the housing is a horizontal direction, and the housing is arranged along the traveling direction of the moving body.
15. A heat exchanger having an evaporator provided with a plate-like evaporation body that absorbs heat from the outside and evaporates a working fluid in a liquid phase into a gas phase while moving the working fluid in the liquid phase by capillary force, the heat exchanger condensing the working fluid in the gas phase conducted out of the evaporator and returning the working fluid in the liquid phase to the evaporator, The evaporator is provided with: a liquid storage for storing a working fluid in a liquid phase; A liquid-phase container provided on the lower side of the liquid reservoir in the vertical direction, and containing a liquid-phase working fluid flowing down from the liquid reservoir; the evaporation body having a plate surface arranged in a vertical direction, the evaporation body evaporating a liquid-phase working fluid contained in the liquid-phase container, and And a gas-phase container provided on the opposite side of the liquid-phase container with the evaporation body interposed therebetween, and containing a gas-phase working fluid.
16. The heat exchanger of claim 15, wherein, The liquid-phase container has a liquid-phase container chamber for containing the working fluid in the liquid phase, The liquid-phase accommodation chamber is longer in the horizontal direction than in the up-down direction.
17. The heat exchanger of claim 16, wherein, The liquid-phase accommodating chamber is provided with a first part positioned at the lower side of the liquid storage body and a second part positioned at the lower side of the first part, The first portion has a dimension in the horizontal direction that is shorter than a dimension of the second portion in the horizontal direction.
18. The heat exchanger of claim 17, wherein, The liquid storage body has a dimension in the horizontal direction shorter than that of the second portion.
19. The heat exchanger of claim 15, wherein, The heat exchanger includes a pressing body provided on the liquid-phase accommodation chamber side when viewed from the evaporator, and configured to press an outer periphery of a plate surface of the evaporator on the liquid-phase accommodation chamber side.
20. The heat exchanger of claim 19, wherein, The plate surface of the evaporator is longer in one direction, The pressing body has an outer peripheral frame portion that presses the outer periphery of the evaporation body, and a central pressing portion that extends in a direction intersecting the one direction, connects the one-direction central sides in the outer peripheral frame portion, and presses the plate surface of the evaporation body.

Description

Heat exchanger, evaporator, device, and moving object Technical Field The present disclosure relates to a heat exchanger, an evaporator, an apparatus, and a moving body. Background Patent document 1 discloses a loop-type heat pipe for efficiently cooling a heat generating component regardless of an installation angle, in which an evaporation unit, a condensation unit, and a liquid return pipe are provided in the heat pipe, respectively, and which has a wick (wick) that generates a capillary force. Prior art literature Patent literature Patent document 1 Japanese patent laid-open No. 2008-215702 Disclosure of Invention Problems to be solved by the invention In recent years, development of electric vehicles has been advanced as one of environmental protection measures. With the development of such electric vehicles, the performance of semiconductors controlling motors of electric vehicles is increasing. Further, since the performance improvement of the semiconductor causes an increase in the amount of heat generated by the semiconductor, a heat exchanger or the like is required to efficiently remove the heat flux from the semiconductor. Here, the heat exchanger or the like provided in the automobile may be damaged by an impact from the outside, for example, an evaporation product. Accordingly, an object of the technology disclosed in this specification is to manufacture a heat exchanger or the like that suppresses damage to an evaporator. Solution for solving the problem In view of the above, the present specification discloses a heat exchanger including an evaporator provided with an evaporator that absorbs heat from the outside and evaporates a liquid-phase working fluid into a gas phase while moving the liquid-phase working fluid by capillary force, the heat exchanger condensing the gas-phase working fluid guided out of the evaporator and returning the liquid-phase working fluid to the evaporator, wherein the evaporator is partitioned by the evaporator, and the evaporator includes a liquid-phase accommodating chamber provided on one side when viewed from the evaporator and accommodating the liquid-phase working fluid, and a gas-phase accommodating chamber provided on the opposite side of the liquid-phase accommodating chamber across the evaporator and accommodating the gas-phase working fluid, the evaporator includes a pressing body provided on the liquid-phase accommodating chamber side when viewed from the evaporator and pressing a side surface of the liquid-phase accommodating chamber side in the evaporator, the pressing body including a pressed portion that is a portion pressed by the pressing body and has toughness higher than that of a portion not pressed by the pressing body. Effects of the invention According to the technology disclosed in the present specification, a heat exchanger or the like that suppresses damage to an evaporator can be provided. Drawings Fig. 1 is a schematic configuration diagram showing an automobile. Fig. 2 is a perspective view of the evaporator of the present embodiment. Fig. 3 is an exploded perspective view of the evaporator of the present embodiment. Fig. 4 is an exploded perspective view of the liquid-phase container. Fig. 5 is an exploded perspective view of the wick holder. Fig. 6 is a detailed configuration view of the accommodated body. Fig. 7 is a schematic view of a section on plane VII-VII of fig. 2. Fig. 8 is a diagram illustrating the configuration of the evaporator. Fig. 9 is a diagram illustrating a first modification. Fig. 10 is a diagram illustrating a second modification. Fig. 11 is a diagram illustrating a third modification. Detailed Description Hereinafter, the present embodiment will be described in detail with reference to the accompanying drawings. < Constitution of automobile 1> Fig. 1 is a schematic configuration diagram of an automobile 1. First, a schematic configuration of an automobile 1 to which the present embodiment is applied will be described with reference to fig. 1. The vehicle 1 is a so-called electric vehicle. The automobile 1 has a heat generating body 50 and a loop type heat pipe 10 for cooling the heat generating body 50. The heating element 50 is a control device for controlling the motor 30 provided in the automobile 1. Further, the heating element 50 is a driving element of an inverter (inverter) for driving the motor 30. The heating element 50 is made of, for example, siC semiconductor. Loop heat pipe 10 is one example of a cooling element. The loop type heat pipe 10 is configured to circulate a working fluid to cool the heat generating body 50 without supplying power from the outside. To describe in detail, the loop heat pipe 10 includes an evaporator (Evaporator) 101 for evaporating the working fluid by using latent heat generated when the working fluid is evaporated to cool the heating element 50, and a Condenser (Condenser) 105 for radiating heat via the radiator 70 to liquefy the working fluid evaporated by the evaporator