Fan assembly for energy storage inverter

Abstract

The utility model discloses a fan assembly for an energy storage inverter. The fan assembly comprises a heat dissipation fan assembly and a heat dissipation metal net arranged at the front end of the heat dissipation fan assembly. A contact connecting column is arranged on the side face, close to the tail end, of a driven rotating fan blade, a telescopic connecting column is arranged on the side face of a built-in connecting spring, the driven rotating fan blade can be driven to rotate when the heat dissipation fan assembly blows air, and the surface of an outer contact ball can make contact with the surface of a heat dissipation metal net. When the external contact ball moves on the surface of the heat dissipation metal net, the external contact ball can vibrate to act on the heat dissipation metal net due to the flat concave of the net and the action of the built-in connecting spring, and after the improvement of the heat dissipation metal net, dust accumulated in the heat dissipation metal net can become loose and fall off due to the vibration action. Therefore, the phenomenon that the air circulation effect is poor due to the fact that gaps are blocked by dust can be effectively avoided, and the use practicability of the fan assembly for the energy storage inverter is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the new energy related technical field, concretely relates to a fan assembly for energy storage inverter. BACKGROUND

[0002] In the operation of the energy storage cabinet, the energy storage inverter (PCS, Power Conversion System) plays a crucial role. It is not only responsible for regulating the charge and discharge function of the energy storage battery, but also responsible for realizing the conversion between direct current and alternating current. Since the PCS generates heat when performing these functions, optimizing its heat dissipation mode is crucial for maintaining the long-term stable operation of the energy storage device and prolonging the service life.

[0003] With the improvement of the design requirements of the air cooling system matched with the energy storage inverter, it is difficult to complete the complete design only by relying on experience, so it is necessary to use professional CFD simulation software to provide data reference for the design of the air cooling system in the energy storage inverter. However, due to the complex internal structure of the energy storage inverter, it takes a long time to obtain the optimal air cooling system data, which is not conducive to the design and development of the product to some extent.

[0004] In view of the long design cycle of the air cooling system of the energy storage inverter, the utility model provides an innovative PCS air cooling and heat dissipation system design solution. By controlling the size and position of the fan, the heat dissipation efficiency of the PCS is optimized, and the overall performance and stability of the energy storage cabinet are significantly improved. In addition, the design of the air cooling and heat dissipation system also realizes the reduction of energy consumption and the reduction of space occupation, and at the same time has the ability to work stably under different environmental temperatures. This provides an efficient, space-saving and environment-adaptive heat dissipation solution for the widespread deployment of energy storage cabinets.

[0005] However, the fan assembly for energy storage inverter is used to intercept the heat dissipation net structure, which is easily blocked by dust accumulation, which greatly reduces the heat dissipation effect.

[0006] The utility model improves the above problems, and specifically relates to a fan assembly for energy storage inverter which can vibrate to clean dust. INVENTION CONTENTS

[0007] The utility model aims at providing a fan assembly for energy storage inverter to solve the problem that the fan assembly for energy storage inverter is used to intercept the heat dissipation net structure, which is easily blocked by dust accumulation, which greatly reduces the heat dissipation effect.

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a fan assembly for energy storage inverter, including heat dissipation fan assembly and heat dissipation metal net of heat dissipation fan assembly front end position setting has,

[0009] The side of the heat dissipation metal net is rotationally connected with a driven rotary fan blade, the side of the driven rotary fan blade near the end is provided with a contact connecting column, the inside of the contact connecting column is provided with an embedded connecting spring, the side of the embedded connecting spring is provided with an extension connecting column, the inside of the extension connecting column is provided with an inner contact ball, the outer side of the inner contact ball is provided with an outer contact ball, and the heat dissipation fan assembly blows the wind to drive the driven rotary fan blade to rotate.

[0010] Preferably, the side of the heat dissipation fan assembly is provided with an insulated gate bipolar transistor, the insulated gate bipolar transistor contains a heating element, aluminum, a heat dissipation fin and the like.

[0011] Preferably, the side of the insulated gate bipolar transistor is provided with a high-voltage box, the outer side of the high-voltage box is provided with an inverter outer frame, and the inverter outer frame is formed by splicing and connecting through screws.

[0012] Preferably, the front side of the inverter outer frame is provided with a front connecting plate, and the front connecting plate is installed and connected with the inverter outer frame in a clamping manner.

[0013] Preferably, the middle of the front connecting plate is provided with a mounting connecting heat dissipation frame, and the mounting connecting heat dissipation frame and the front connecting plate are of an integral structure.

[0014] Preferably, the upper side of the inverter outer frame is provided with an upper connecting plate, and the upper connecting plate is provided with a groove structure.

[0015] Preferably, the heat dissipation fan assembly is provided with a heat dissipation fan blade and a connecting plug-in wire, and the motor of the heat dissipation fan blade is electrically connected with the power supply through the connecting plug-in wire.

[0016] Compared with the prior art, the utility model provides a fan assembly for energy storage inverter, which has the following beneficial effects:

[0017] In the fan assembly for energy storage inverter, the side of the heat dissipation metal net is rotationally connected with a driven rotary fan blade, the side of the driven rotary fan blade close to the end is provided with a contact connecting column, the inner part of the contact connecting column is provided with an embedded connecting spring, the side of the embedded connecting spring is provided with an extension connecting column, the inner part of the extension connecting column is provided with an inner contact ball, the outer side of the inner contact ball is provided with an outer contact ball, the driven rotary fan blade is rotated by the blowing of the heat dissipation fan assembly, the surface of the outer contact ball contacts the surface of the heat dissipation metal net, because the surface of the heat dissipation metal net is a mesh structure, the outer contact ball vibrates on the surface of the heat dissipation metal net when moving on the surface, and the accumulated dust in the heat dissipation metal net is loosened and falls off due to the vibration, so that the phenomenon that the air flow effect is poor due to the dust blockage of the gap is effectively avoided, and the practicality of the fan assembly for energy storage inverter is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an overall structure schematic view of the fan assembly for energy storage inverter and the energy storage inverter.

[0019] Figure 2 It is a front view structure schematic view of the fan assembly for energy storage inverter.

[0020] Figure 3 It is an enlarged structure schematic view of the fan assembly for energy storage inverter, and the number A.

[0021] Figure 4 It is a contact connecting column cross section structure schematic view of the fan assembly for energy storage inverter.

[0022] In the figure: 1, inverter outer frame; 2, front connecting plate; 3, upper connecting plate; 4, install and connect heat dissipation frame; 5, high voltage box; 6, insulated gate bipolar transistor; 7, heat dissipation metal net; 8, heat dissipation fan assembly; 9, heat dissipation fan blade; 10, connecting plug-in line; 11, driven rotary fan blade; 12, contact connecting column; 13, embedded connecting spring; 14, extension connecting column; 15, inner contact ball; 16, outer contact ball. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0024] The utility model provides a fan assembly for energy storage inverter Figures 1-4 As shown in a kind of fan assembly for energy storage inverter, including heat dissipation fan assembly 8 and the heat dissipation fan assembly 8 front end position place of setting there is heat dissipation metal screen 7;Heat dissipation metal screen 7 side rotationally connected and is provided with driven rotary fan blade 11, driven rotary fan blade 11 is close to the side position of end and is provided with contact connecting column 12, the inside position of contact connecting column 12 is provided with built-in connecting spring 13, the side position of built-in connecting spring 13 is provided with telescopic connecting column 14, the inside position of telescopic connecting column 14 is provided with inner contact ball 15, the outside position of inner contact ball 15 is provided with outer contact ball 16, heat dissipation fan assembly 8 blows wind and can drive driven rotary fan blade 11 to rotate, the surface of outer contact ball 16 can contact the surface of heat dissipation metal screen 7, because the surface of heat dissipation metal screen 7 is mesh structure, when outer contact ball 16 moves on its surface, because the flat concave of mesh and built-in connecting spring 13 can make it vibrate on heat dissipation metal screen 7, after the utility model is improved, because the effect of vibration can make the dust accumulated in heat dissipation metal screen 7 become loose and fall off, so it can effectively avoid the phenomenon that its dust blocks gap and causes air flow effect to be poor, to effectively improve the practicality of fan assembly for energy storage inverter.

[0025] As shown in a kind of fan assembly for energy storage inverter Figure 1 The side position of heat dissipation fan assembly 8 is provided with insulated gate bipolar transistor 6, and the insulated gate bipolar transistor 6 contains heating elements, aluminum, heat dissipation fins, etc. The side position of insulated gate bipolar transistor 6 is provided with high-voltage box 5, and the outside position of high-voltage box 5 is provided with inverter outer frame 1. The inverter outer frame 1 is connected by splicing and screws. The insulated gate bipolar transistor 6 and the high-voltage box 5 are important elements inside the energy storage inverter. The insulated gate bipolar transistor 6 mainly has the functions of inversion, power amplification and control protection, efficiency improvement and isolation. The high-voltage box 5 has the functions of electrical connection, protection and safety, signal detection and control, etc.

[0026] As shown in a kind of fan assembly for energy storage inverter Figure 1 The front side position of inverter outer frame 1 is provided with front connecting plate 2, which is installed and connected with inverter outer frame 1 by clamping. The middle position of front connecting plate 2 is provided with installation and connection heat dissipation frame 4, which is an integral structure with heat dissipation metal screen 7. The installation and connection heat dissipation frame 4 can dissipate the wind blown by heat dissipation fan assembly 8 through its heat dissipation net and supplement new cool wind from the external environment to realize air cooling heat dissipation.

[0027] As shown in a kind of fan assembly for energy storage inverter Figure 1As shown, the upper side of the inverter outer frame 1 is provided with an upper connecting plate 3, and the upper connecting plate 3 is provided with a groove structure, and the groove structure of the upper connecting plate 3 can make the upper connecting plate 3 partially thin, so as to increase the contact area of the external environment, and then improve the heat dissipation capacity of the inverter outer frame 1.

[0028] As shown in the drawings, Figure 2 As shown, the heat dissipation fan assembly 8 is provided with a heat dissipation fan blade 9 and a connecting plug line 10, the motor of the heat dissipation fan blade 9 is electrically connected with the power supply through the connecting plug line 10, the heat dissipation fan blade 9 is powered and driven to rotate through the motor, and the rotation can accelerate the flow of the wind to achieve rapid heat dissipation.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A fan assembly for energy storage inverters, comprising A heat dissipation fan assembly (8) and a heat dissipation metal mesh (7) arranged at the front end of the heat dissipation fan assembly (8); characterized in that The side of the heat dissipation metal mesh (7) is rotatably connected with a driven rotating fan blade (11), the side of the driven rotating fan blade (11) near the end is provided with a contact connecting column (12), the inside of the contact connecting column (12) is provided with an embedded connecting spring (13), the side of the embedded connecting spring (13) is provided with an extension connecting column (14), the inside of the extension connecting column (14) is provided with an inner contact ball (15), the outside of the inner contact ball (15) is provided with an outer contact ball (16), the blowing of the heat dissipation fan assembly (8) drives the driven rotating fan blade (11) to rotate, the surface of the outer contact ball (16) contacts the surface of the heat dissipation metal mesh (7), because the surface of the heat dissipation metal mesh (7) is meshed, the outer contact ball (16) vibrates on the heat dissipation metal mesh (7) when moving on the surface due to the concave of the mesh and the effect of the embedded connecting spring (13).

2. A fan assembly for an energy storage inverter according to claim 1, characterized in that: An insulated gate bipolar transistor (6) is arranged at the side of the heat dissipation fan assembly (8), the insulated gate bipolar transistor (6) contains a heating element, aluminum and a heat dissipation fin.

3. A fan assembly for an energy storage inverter according to claim 2, wherein: A high-voltage box (5) is arranged at the side of the insulated gate bipolar transistor (6), an inverter outer frame (1) is arranged at the outside of the high-voltage box (5), the inverter outer frame (1) is formed by splicing and connecting through screws.

4. A fan assembly for an energy storage inverter according to claim 3, wherein: A front connecting plate (2) is arranged at the front side of the inverter outer frame (1), the front connecting plate (2) is installed and connected with the inverter outer frame (1) in a clamping manner.

5. A fan assembly for an energy storage inverter according to claim 4, wherein: An installation and connection heat dissipation frame (4) is arranged at the middle of the front connecting plate (2), the installation and connection heat dissipation frame (4) is an integral structure with the heat dissipation metal mesh (7).

6. A fan assembly for an energy storage inverter according to claim 5, wherein: An upper connecting plate (3) is arranged at the upper side of the inverter outer frame (1), the upper connecting plate (3) is provided with a groove structure.

7. A fan assembly for an energy storage inverter according to claim 1, wherein: A heat dissipation fan blade (9) and a connecting plug-in wire (10) are arranged in the heat dissipation fan assembly (8), the motor of the heat dissipation fan blade (9) is electrically connected with a power supply through the connecting plug-in wire (10).

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