CN218906968U - Heat radiation structure and charging pile - Google Patents

Abstract

The utility model relates to the technical field of heat dissipation, in particular to a heat dissipation structure and a charging pile, wherein the heat dissipation structure can be arranged at the top or bottom of equipment and comprises a shell, a baffle, an inlet fan and an exhaust fan, wherein the shell comprises an air inlet surface and an air outlet surface which are oppositely arranged on the side surfaces, an outer circulation air inlet is arranged on the air inlet surface, and an outer circulation air outlet is arranged on the air outlet surface; the baffle is positioned inside the shell and arranged between the air inlet surface and the air outlet surface, and the baffle divides the inside of the shell into an air inlet area and an air outlet area; the air inlet fan is communicated with the air inlet area and the equipment; the exhaust fan is communicated with the air outlet area and the equipment. The heat radiation structure is arranged at the top or the bottom of the equipment, air enters the equipment through the air inlet fan by utilizing the baffle plate and then is exhausted out of the equipment through the exhaust fan, so that the equipment is relatively closed when the heat radiation structure is stopped, the possibility that foreign matters enter the equipment is reduced, meanwhile, the heat radiation structure is far away from a high temperature area of the equipment, and the service life of the heat radiation structure is prolonged.

Description

Heat radiation structure and charging pile

Technical Field

The utility model relates to the technical field of heat dissipation, in particular to a heat dissipation structure and a charging pile.

Background

With the popularization of electric vehicles, various high-power quick-charging piles have been developed in order to shorten the charging time of electric vehicles. The high-power charging pile has higher power output by the charging pile, and the corresponding power modules in the cabinet have higher power and more quantity, but higher heating value and larger noise are brought along with the high-power charging pile.

The traditional charging pile generally adopts a mode of combining two modes of module heat dissipation and cabinet integral heat dissipation to dissipate heat, wherein the module heat dissipation is built in a power module, the prior art is relatively mature, the cabinet integral heat dissipation adopts a through heat dissipation ventilation structure (namely, a mode of respectively arranging an air inlet and an air outlet on opposite sides of the cabinet and arranging a heat dissipation fan at the air outlet), the heat dissipation structure is limited by the internal heat dissipation of the charging pile, the internal environment of the charging pile cannot be isolated from the external environment, and even if the heat dissipation structure is stopped, wind dust of the external environment easily enters the internal of the charging pile through the air inlet or the air outlet, the service life of the charging pile is influenced, and the time for overhauling the charging pile is shortened; in addition, the fan of the heat dissipation and ventilation structure is located in a high temperature area, namely a power module, and the temperature of the fan is generally higher than 70 ℃, so that the service life of the heat dissipation fan is seriously influenced.

Disclosure of Invention

One of the purposes of the utility model is to provide a heat dissipation structure which can be far away from a high-temperature area of equipment needing heat dissipation and well separate the internal environment and the external environment of the equipment.

To achieve the purpose, the utility model adopts the following technical scheme:

the heat radiation structure can be arranged at the top or the bottom of the equipment and comprises a shell, a baffle, an inlet fan and an exhaust fan, wherein the shell comprises an air inlet surface and an air outlet surface, the side surfaces of the air inlet surface and the air outlet surface are oppositely arranged, an external circulation air inlet is formed in the air inlet surface, and an external circulation air outlet is formed in the air outlet surface; the baffle is positioned in the shell and arranged between the air inlet surface and the air outlet surface, and the baffle divides the inner part of the shell into an air inlet area and an air outlet area; the air inlet fan is communicated with the air inlet area and the equipment; the exhaust fan is communicated with the air outlet area and the equipment.

Optionally, the air inlet fan is located outside the casing, the casing corresponds to the position of the air inlet fan and has seted up the inner loop import, the exhaust fan is located in the air inlet area of the casing, the casing corresponds to the position of the exhaust fan and has seted up the inner loop export.

Optionally, the external circulation air inlet and the external circulation air outlet are louver holes.

Optionally, silencing cotton is arranged at the inner sides of the outer circulation air inlet and the outer circulation air outlet.

Optionally, the air inlet fan outer cover is provided with an air guide cover, and the radius of the air guide cover gradually increases from the inlet end of the air inlet fan to the outlet end of the air inlet fan.

Optionally, a power supply is further arranged inside the shell, the power supply is configured to provide power for the air inlet fan and the exhaust fan, and the power supply is located in a power area between the air inlet area and the air outlet area.

Optionally, the shell includes casing and cap, the casing is the slot-like structure that the four sides enclose, the cap with the casing detachable connection.

The utility model further aims at providing a charging pile, which comprises a cabinet and the heat dissipation structure, wherein the heat dissipation structure is arranged at the top of the cabinet, and avoidance holes corresponding to an inlet fan and an exhaust fan are formed in the top of the cabinet.

Optionally, the rack includes the cabinet body, power module and control module, power module with control module passes through the mounting panel to be fixed in the cabinet body is internal, the mounting panel power module with control module will the internal portion of cabinet is ventilation zone and heat exchange area, the ventilation zone with the air inlet zone intercommunication, the heat exchange area with the air-out district intercommunication.

Optionally, the power module includes a built-in fan.

The beneficial effects of the utility model are as follows: the heat radiation structure changes the heat radiation mode that the equipment is directly communicated with the external environment, is externally arranged, and is communicated with the equipment by the air inlet area and the air outlet area which are mutually separated through the arrangement of the air inlet fan, and is communicated with the equipment by the air outlet area through the exhaust fan, so that the isolation between the internal environment and the external environment of the equipment is realized, the heat radiation structure is far away from the high-temperature area, and the service life of the heat radiation structure is prolonged; the charging pile utilizing the heat dissipation structure for heat dissipation can enable the power supply module to be in a relatively closed environment, and noise emitted in the operation process of the power supply module is isolated.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the interior of the housing as proposed in the embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of the inside of the protective cover according to the embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a boot according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a charging pile according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a cabinet according to an embodiment of the utility model;

fig. 7 is a path diagram of air entering and exiting the cabinet in an embodiment of the utility model.

In the figure, 10, a heat dissipation mechanism; 11. a housing; 11a, an air inlet surface; 11b, an air outlet surface; 12. a cover; 13. an inlet fan; 14. an exhaust fan; 15. a wind scooper; 16. a fixing plate; 17. a power supply; 18. a baffle; 19. a protective cover; 20. a cabinet; 21. a cabinet body; 21a, front door; 21b, a rear door; 22. a power module; 23. a control module; 24. and (3) mounting a plate.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of operation, and are not intended to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

For the charging pile for charging electric automobiles or electric bicycles, particularly for direct current charging piles, the heating source is mainly a power module of the charging pile, heat generated by the power module needs to be discharged out of equipment in time, otherwise, the equipment aging can be accelerated, the service life of the equipment is influenced, and the conventional direct current heat dissipation and ventilation structure is difficult to meet the requirements. Therefore, the present embodiment proposes a heat dissipation structure capable of dissipating heat for various devices requiring efficient heat exchange, such as the charging pile and the computer case, unlike the conventional through-type heat dissipation structure, which is installed at the top or bottom of the device to dissipate heat for the device.

Referring to fig. 1-7, the heat dissipation structure provided in this embodiment includes a housing, an exhaust fan 14, an intake fan 13 and a baffle 18, where the housing includes an intake surface 11a and an exhaust surface 11b with opposite sides, an external circulation air inlet is provided on the intake surface 11a, an external circulation air outlet is provided on the exhaust surface 11b, the baffle 18 is located inside the housing and is disposed between the intake surface 11a and the exhaust surface 11b, the interior of the housing is divided into an intake area and an exhaust area, the intake fan 13 is connected with the intake area and the equipment, and the exhaust fan 14 is connected with the exhaust area and the equipment.

The heat radiation structure is arranged outside the equipment, under the suction effect of the air inlet fan 13, air is sucked into an air inlet area in the shell from an external circulation air inlet, the baffle 18 prevents the air from directly flowing from the air inlet area to an air outlet area, and the air enters the equipment through the air inlet fan 13, enters the air outlet area after circulating for a circle in the equipment, and is discharged from the external circulation air outlet under the action of the exhaust fan 14. For the through type heat radiation structure, the equipment is not directly communicated with the external environment, when the heat radiation structure is stopped, the equipment is relatively closed, the possibility that foreign matters enter the equipment is reduced, meanwhile, the heat radiation structure can be installed in a non-high temperature area of the equipment, the influence of the high temperature environment on the heat radiation structure is reduced, the service life of the heat radiation structure can be remarkably prolonged, the fluidity of air is increased, and the heat radiation effect is improved.

Referring to fig. 1, the housing in this embodiment includes a housing 11 and a housing cover 12, where the housing 11 is a four-sided enclosed slot structure, and the housing cover 12 is used to close one end of the opening of the housing 11 and detachably connected to the housing 11, for example, by bolting or fastening, so as to facilitate the opening of the housing, and the replacement or repair of various parts inside the housing, and the installation and detachment of the housing cover 12 does not affect the normal operation of the intake fan 13 and the exhaust fan 14. The air inlet surface 11a and the air outlet surface 11b are respectively two side surfaces of the shell 11 which are oppositely arranged, and a plurality of blind holes with downward openings are respectively formed in the two side surfaces and serve as an external circulation air inlet and an external circulation air outlet, and the arrangement of the blind holes can prevent external dust or sundries from entering the shell along with air and affecting the normal operation of the air inlet fan 13 and the exhaust fan 14. In order to reduce noise generated during air inlet and outlet, noise-reducing cotton is arranged on the inner sides of the air inlet face 11a and the air outlet face 11b, and the noise-reducing cotton not only has the purpose of reducing noise, but also can further prevent foreign matters from entering.

Further, the air inlet fan 13 is disposed outside the casing 11, specifically disposed at a side of the air inlet area of the casing 11 facing the device, the bottom of the casing 11 is provided with an internal circulation air inlet corresponding to the position of the air inlet fan 13, the inlet of the air inlet fan 13 is connected with the internal circulation air inlet, that is, the air inlet fan 13 is located inside the device, the exhaust fan 14 is disposed inside the casing 11, specifically disposed at the air outlet area of the casing 11, the side of the casing 11 facing the device is provided with an internal circulation outlet corresponding to the position of the exhaust fan 14, and the inlet of the exhaust fan 14 is connected with the internal circulation air outlet. The air inlet fan 13 and the exhaust fan 14 are all provided with a plurality of to satisfy the heat dissipation requirement of high-power equipment, and the air inlet fan 13 and the exhaust fan 14 are all arranged at intervals along the direction perpendicular to the air entering the shell 11. In order to protect the air intake fan 13 inside the equipment, the outer cover of the air intake fan 13 is provided with a protective cover 19, the protective cover 19 fixes the plurality of air intake fans 13 outside the shell 11 together, and the exhaust fan 14 is fixed inside the shell 11 through a U-shaped fixing plate 16. The air inlet fan 13 and the exhaust fan 14 are respectively vortex fans, the wind power is high, the heat dissipation capacity is high, meanwhile, a horn-shaped air guide cover 15 is further arranged outside the air inlet fan 13, the radius of the air guide cover 15 gradually increases from one inlet end of the air inlet fan 13 to one outlet end of the air inlet fan 13, so that the air exhaust quantity of the air inlet fan 13 is increased, sufficient air is provided for the inside of the equipment, and heat generated in the equipment is taken away more quickly.

A power supply 17 is also provided inside the housing 11 to power the air intake fan 13 and the exhaust fan 14. The power supply 17 is located in the power area between the air inlet area and the air outlet area, the power area is formed by the baffle 18 in a spaced mode, and the power supply 17 is arranged in the power area between the air inlet area and the air outlet area, so that the length of wires connected with the air inlet fan 13 and/or the exhaust fan 14 can be shortened, the power supply 17 can be separated from the air inlet fan 13 and the exhaust fan 14, and the influence of the too fast air flow speed on the service life of the power supply 17 is avoided. Specifically, the power supply 17 is provided with a plurality of groups to provide sufficient power for the air intake fan 13 and the exhaust fan 14.

This embodiment still provides a fill electric pile, fills electric pile and includes rack 20 and above-mentioned heat radiation structure, and rack 20 is as the equipment that needs radiating, and heat radiation structure sets up in the top of rack 20, for installing in rack 20 bottom, can conveniently overhaul heat radiation structure, carries thermal air simultaneously because of volume expansion rises, sets up heat radiation structure at rack 20 top, more is favorable to carrying thermal air to discharge. The avoidance holes corresponding to the air inlet fan 13 and the exhaust fan 14 are formed in the top of the cabinet 20, the heat dissipation structure is detachably connected with the cabinet 20, and the heat dissipation structure can be fixed to the top of the cabinet 20 through bolts at the bottom of the heat dissipation structure. The cabinet 20 and the heat dissipation structure are assembled to form a seal. The cabinet 20 includes a cabinet body 21, a power module 22 and a control module 23, wherein the cabinet body 21 includes a front door 21a and a rear door 21b which are oppositely arranged, and the front door 21a and the rear door 21b can be opened to overhaul the power supply 17 and the control module 23 inside the cabinet body 21. Specifically, the inner sides of the front door 21a and the rear door 21b may be provided with reinforcing ribs to promote the overall rigidity of the front door 21a and the rear door 21 b. It should be emphasized that the front door 21a and the rear door 21b are not provided with heat dissipation holes or other holes to keep isolation from the external environment, so as to prevent noise in the cabinet from leaking, and the noise generated in this process is mainly generated by the operation of the power module 22.

The power module 22 and the control module 23 are fixed inside the cabinet 21 through the mounting plate 24, and the control module 23 is used for controlling and managing the power module 22 and is connected with the power module 22 through a cable. Specifically, the power module 22 is disposed above the control module 23. In order to enable air to flow through the power module 22 as much as possible, the heat dissipation effect is improved, the mounting plate 24 is arranged around the power module 22 and the control module 23 and used for blocking gaps among the power module 22, the control module 23 and the cabinet body 21, the mounting plate 24 is matched with the power module 22 and the control module 23 to divide the interior of the cabinet body 21 into a ventilation area communicated with an air inlet area and a heat exchange area communicated with an air outlet area, most of air enters the heat exchange area from the ventilation area through a built-in fan of the power module 22, the heat dissipation effect on the power module 22 is improved, and internal air backflow is prevented.

Of course, it is understood that multiple sets of power modules 22 may be included within the cabinet 20, and that air may also flow from the ventilation zone to the air intake zone via the gaps between adjacent power modules 22.

Fig. 7 shows a path of air entering and exiting the cabinet 20, wherein the air is sucked into the housing 11 through the air inlet fan 13, then enters the ventilation area through the air inlet area, then enters the heat exchange area through the built-in fan of the power module 22, and the air in the cabinet 21 is sucked into the housing 11 through the exhaust fan 14 and then is exhausted out of the housing 11, so that heat dissipation is realized. The whole charging pile is used for placing the heat dissipation structure above the cabinet 20 and away from a high-temperature area (where the power module 22 is located) of the cabinet 20, so that the service life of the heat dissipation structure is prolonged; and the cabinet body 21 where the power module 22 is positioned is relatively closed, so that the noise reduction effect is more obvious.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. Heat radiation structure, can install at the top or the bottom of equipment, its characterized in that includes:

the shell comprises an air inlet surface (11 a) and an air outlet surface (11 b) which are arranged on the side surfaces in an opposite mode, wherein an outer circulation air inlet is formed in the air inlet surface (11 a), and an outer circulation air outlet is formed in the air outlet surface (11 b);

the baffle plate (18), the said baffle plate (18) locates inside said outer cover and is set up between said air inlet surface (11 a) and said air outlet surface (11 b), the said baffle plate (18) will the said outer cover is inside to be divided into air inlet area and air outlet area;

an air inlet fan (13), wherein the air inlet fan (13) is communicated with the air inlet area and the equipment;

and the exhaust fan (14) is communicated with the air outlet area and the equipment.

2. The heat dissipation structure as defined in claim 1, wherein the air intake fan (13) is located outside the housing, an inner circulation inlet is provided at a position of the housing corresponding to the air intake fan (13), the exhaust fan (14) is located in the air intake area of the housing, and an inner circulation outlet is provided at a position of the housing corresponding to the exhaust fan (14).

3. The heat dissipating structure of claim 1, wherein said outer circulation air inlet and said outer circulation air outlet are louvres.

4. The heat dissipating structure of claim 1, wherein the inner sides of the outer circulation air inlet and the outer circulation air outlet are provided with noise-reducing cotton.

5. The heat dissipation structure as defined in claim 1, wherein the air intake fan (13) is provided with an air guiding cover (15) in a cover manner, and the radius of the air guiding cover (15) gradually increases from the inlet end of the air intake fan (13) to the outlet end of the air intake fan (13).

6. The heat dissipating structure according to claim 1, wherein a power source (17) is further provided inside the housing, the power source (17) being configured to power the air intake fan (13) and the exhaust fan (14), the power source (17) being located in a power zone between the air intake zone and the air outlet zone.

7. The heat dissipation structure as defined in claim 1, wherein the housing includes a shell (11) and a cover (12), the shell (11) is a four-sided enclosed groove structure, and the cover (12) is detachably connected with the shell (11).

8. Charging pile, its characterized in that includes rack (20), still includes the heat radiation structure of any one of claims 1-7, heat radiation structure set up in the top of rack (20), dodge the hole with air inlet fan (13) and exhaust fan (14) correspondence is seted up at rack (20) top.

9. The charging pile according to claim 8, characterized in that the cabinet (20) comprises a cabinet body (21), a power module (22) and a control module (23), the power module (22) and the control module (23) are fixed inside the cabinet body (21) through a mounting plate (24), the power module (22) and the control module (23) divide the interior of the cabinet body (21) into a ventilation area and a heat exchange area, the ventilation area is communicated with the air inlet area, and the heat exchange area is communicated with the air outlet area.

10. The charging pile according to claim 9, characterized in that the power supply module (22) comprises a built-in fan.

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