Heat dissipation structure of energy storage converter

Abstract

The utility model discloses a heat dissipation structure of an energy storage converter, relates to the technical field of energy storage converters, and aims to solve the technical problem of poor heat dissipation of the energy storage converter. Comprising a flowing air duct, the air duct flows through an electric appliance element, heat generated in the working process of the electric appliance element is guided out, an air inlet net plate is arranged at the air inlet end of the air duct, an air outlet net plate is arranged at the air exhaust end of the air duct, at least one air guide plate is arranged in the flowing area of the air duct, and flowing air is accelerated. According to the heat dissipation structure of the energy storage converter provided by the embodiment of the utility model, the heat dissipation of the energy storage converter is optimally designed to meet the heat dissipation and high protection requirements of a product, and the heat export in the sealed cavity is improved through the structural design. Air outlet area is enlarged, air resistance of the air outlet is reduced, hot air gathering is avoided, and heat dissipation is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage converter technical field especially relates to a kind of energy storage converter heat dissipation structure. BACKGROUND

[0002] Energy storage converter (PCS) can control the charging and discharging process of battery, carry out AC / DC conversion, and can directly power AC load in the absence of power grid. PCS is composed of DC / AC bidirectional converter, control unit and the like. The PCS controller receives background control instructions through communication, controls the battery to charge or discharge according to the symbol and size of power instruction, and realizes the adjustment of active power and reactive power of power grid. The PCS controller communicates with BMS through CAN interface, obtains battery pack state information, can realize protective charging and discharging of battery, and ensures the safe operation of battery.

[0003] In the structure of energy storage converter (PCS), the power module part mainly includes power semiconductors, filter reactors and other devices, which will generate heat during operation. The existing energy storage converter has poor heat dissipation, which affects the service life of the energy storage converter.

[0004] The utility model optimizes the design of the heat dissipation of energy storage converter, and simultaneously considers the functional requirement design, to meet the heat dissipation and high protection requirement of product. INVENTION CONTENTS

[0005] The embodiment of the utility model provides a kind of energy storage converter heat dissipation structure to at least solve the technical problem of poor heat dissipation of energy storage converter.

[0006] To achieve the above purpose, the embodiment of the utility model adopts the following technical scheme:

[0007] A kind of energy storage converter heat dissipation structure is applied to energy storage converter, and energy storage converter includes upper shell and lower shell, and upper shell and lower shell are oppositely arranged to enclose a sealable cavity, and electrical components are arranged in the cavity, and the heat dissipation structure includes a flowing air duct, and the air duct flows through electrical components, and the heat generated in the working process of electrical components is led out, air inlet screen is arranged at the air inlet end of air duct, air outlet screen is arranged at the air outlet end of air duct, and at least one air deflector is arranged in the flowing area of air duct, to guide and accelerate the air flowing through.

[0008] Beneficial effects: the energy storage converter heat dissipation structure provided by the embodiment of the utility model optimizes the design of the heat dissipation of energy storage converter to meet the heat dissipation and high protection requirement of product, and the heat in the sealed cavity is led out by structure design. Increase the area of air outlet to reduce the air resistance of air outlet, avoid hot air accumulation, and enhance heat dissipation.

[0009] Further, a concave frame is further included, which is composed of two parallel and opposite frames and a support arranged perpendicularly to the frames, wherein one frame, the support and the other frame are connected end to end, and a plurality of fans are arranged side by side along the length direction of the support. In this way, the plurality of fans accelerate the flow of air and speed up the heat export.

[0010] Further, the fans are directed towards the air inlet screen. In this way, the air inlet speed is improved.

[0011] Further, an angle-adjustable first air guide plate is arranged between the air inlet screen and the fans, and the first air guide plate is installed on the inner side of the two frames. In this way, the first air guide plate adjusts the air flow direction and accelerates the air circulation.

[0012] Further, a second air guide plate is arranged at the center position of the upper surface of the lower shell to guide and accelerate the air flow.

[0013] Further, a fin-type radiator and an inductive radiator are respectively installed at the rear side of the inner cavity of the upper shell, and the fin-type radiator and the inductive radiator are arranged in front and back with respect to the air flow direction. The fin-type radiator and the inductive radiator double-heat-dissipate the energy storage converter, and the air after passing through the fans flows into the radiators through the second air guide plate to cool the radiators, and then flows out of the radiators to cool the inductive radiator.

[0014] Further, the opening area of the air outlet screen is larger than that of the air inlet screen. In this way, the air outlet screen avoids forming air resistance at the air outlet due to the large opening area, and the hot air is accelerated to be discharged.

[0015] Further, the air inlet screen is vertically arranged, and the air outlet screen is vertically arranged.

[0016] Further, the air duct is a channel through which the air flows through the internal electrical elements of the energy storage converter. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 An exploded view of the energy storage converter is shown in the embodiment of the present application.

[0018] In the figure: 1, upper shell, 2, lower shell, 3, fan, 4, air inlet screen, 5, first air guide plate, 6, second air guide plate, 7, air outlet screen, 8, fin-type radiator, 9, inductive radiator, 10, concave frame. DETAILED DESCRIPTION

[0019] The embodiment of the present application will be described in detail below with reference to the drawings.

[0020] In the description of the utility model, it is necessary to understand that the orientation or positional relation indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0021] The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0022] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements.

[0023] The utility model embodiment provides a kind of energy storage converter heat dissipation structure, it is applied to energy storage converter, please see Figure 1 Energy storage converter includes upper shell 1 and lower shell 2, and upper shell 1 and lower shell 2 are oppositely arranged to enclose a sealable cavity, and electrical components are arranged in the cavity, and the heat dissipation structure includes a flowing air duct, and the air duct flows through electrical components, and the heat generated in the working process of electrical components is exported, air inlet screen plate 4 is arranged at the air inlet end of the air duct, air outlet screen plate 5 is arranged at the air outlet end of the air duct, and at least one air deflector is arranged in the flowing area of the air duct, to guide and accelerate the air flowing through.

[0024] The energy storage converter heat dissipation structure provided by the utility model embodiment is optimized for the heat dissipation of energy storage converter to meet the heat dissipation and high protection requirements of product, and the heat export in the sealed cavity is improved by structural design, the air outlet area is increased to reduce air outlet resistance, hot air accumulation is avoided, and heat dissipation is enhanced.

[0025] In order to accelerate the heat export, please continue to see Figure 1It also comprises a concave frame 10, which is composed of two parallel and opposite frames and a support arranged perpendicularly to the frames, wherein one frame, the support and the other frame are connected end to end, a plurality of fans 3 are arranged side by side along the length direction of the support, the plurality of fans 3 accelerate the flow of air and accelerate the export of heat, and in the embodiment, the number of the fans 3 is four.

[0026] In order to improve the speed of the incoming air, the fans 3 are arranged towards and parallel to the air inlet net plate 4.

[0027] In order to guide the inflowing air, please continue to refer to Figure 1 An angle-adjustable first air guide plate 5 is arranged between the air inlet net plate 4 and the fan 3, the first air guide plate 5 is installed on the inner side of the two frames, and the first air guide plate adjusts the direction of the air flow on one hand and accelerates the circulation of the air on the other hand.

[0028] A second air guide plate 6 is arranged at the center position of the upper surface of the lower shell 2, and the air passing through is guided and accelerated.

[0029] A fin-type radiator 8 and an inductor radiator 9 are respectively installed at the rear side of the inner cavity of the upper shell, the fin-type radiator 8 and the inductor radiator 9 are arranged in front of and behind the direction of the air flow, the fin-type radiator 8 and the inductor radiator 9 perform double heat dissipation on the energy storage converter, the air after passing through the fan 3 passes through the second air guide plate 6 and flows into the fins of the radiator to cool the radiator 8, and the air after flowing out of the radiator cools the inductor radiator 9.

[0030] The opening area of the air outlet net plate 7 is larger than that of the air inlet net plate 4, and the air outlet net plate 7 is arranged in this way to avoid the formation of air resistance at the air outlet and accelerate the exhaust of hot air.

[0031] The air inlet net plate 4 is vertically placed, and the air outlet net plate 7 is vertically placed.

[0032] The air duct is a channel through which air flows through the internal electrical elements of the energy storage converter.

[0033] When the fan 3 works, the external air is introduced through the air inlet net plate 4, the air flow speed of the external lower bottom plate of the upper shell 1 is accelerated under the action of the first air guide plate 5, the internal design of the upper shell 1 is matched to strengthen the heat export of the shell, the air after passing through the fan 3 passes through the second air guide plate 6 and flows into the fins of the radiator to cool the radiator 8, the air after flowing out of the radiator cools the inductor radiator 9, the opening area of the air outlet net plate 7 is large, which avoids the formation of air resistance at the air outlet and accelerates the exhaust of hot air.

[0034] In the description of the present specification, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An energy storage converter heat dissipation structure applied to an energy storage converter, the energy storage converter comprising an upper shell (1) and a lower shell (2), the upper shell (1) and the lower shell (2) being oppositely arranged to enclose a sealable cavity, and an electrical element being arranged in the cavity, characterized in that, The heat dissipation structure comprises a flow air duct, and the air duct flows through the electric appliance element to lead out the heat generated by the electric appliance element during operation. An air inlet screen plate (4) is arranged at the air inlet end of the air duct, an air outlet screen plate (7) is arranged at the air outlet end of the air duct, and at least one air deflector is arranged at the flow area of the air duct to guide and accelerate the air flow.

2. The heat dissipating structure according to claim 1, wherein The heat dissipation structure further comprises a concave frame (10) comprising two parallel and opposite frames and a support arranged perpendicularly to the frames, wherein one of the frames, the support and the other of the frames are connected end to end, and a plurality of fans (3) are arranged side by side along the length direction of the support.

3. The heat dissipating structure according to claim 2, wherein The fans (3) are directed towards the air inlet screen plate (4).

4. The heat dissipating structure according to claim 3, wherein An angle-adjustable first air deflector (5) is arranged between the air inlet screen plate (4) and the fans (3), and the first air deflector (5) is mounted on the inner side of the two frames.

5. The heat dissipating structure according to claim 3, wherein A second air deflector (6) is arranged at the center of the upper surface of the lower shell (2).

6. The heat dissipating structure according to claim 1, wherein A fin-type heat sink (8) and an inductor heat sink (9) are respectively mounted at the rear side of the inner cavity of the upper shell (1), and the fin-type heat sink (8) and the inductor heat sink (9) are arranged in front and back with respect to the flow direction of the air.

7. The heat dissipating structure according to claim 1, wherein The opening area of the air outlet screen plate (7) is greater than the opening area of the air inlet screen plate (4).

8. The heat dissipating structure according to claim 1, wherein The air inlet screen plate (4) is vertically arranged.

9. The heat dissipating structure according to claim 7, wherein The air outlet screen plate (7) is vertically arranged.

10. The heat dissipating structure according to claim 1, wherein The air duct is a channel for the air to flow through the internal electric appliance element of the energy storage converter.

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