CN216981776U - Energy storage power module - Google Patents

Abstract

The utility model provides an energy storage power module, comprising: the shell is provided with an accommodating cavity, and an input terminal and an output terminal are arranged on the shell; the water-cooling radiator is fixed in the accommodating cavity; the filtering module is positioned in the accommodating cavity and comprises a filtering capacitor, a filtering inductor and an IGBT module, the filtering capacitor, the filtering inductor and the IGBT module are all fixed on the surface of the water-cooled radiator, and the filtering module is electrically connected with the input terminal and the output terminal respectively; and the control module is arranged in the accommodating cavity and is electrically connected with the filtering module. By applying the technical scheme of the utility model, the problem of unstable operation of the energy storage power module in the prior art can be solved.

Description

Energy storage power module

Technical Field

The utility model relates to the technical field of converters, in particular to an energy storage power module.

Background

The conventional energy storage module generally includes a housing, a filtering module and a control module, and the filtering module and the control module are disposed in the housing. In prior art, energy storage module can give out the heat at the operation in-process, and the heat is piled up in the casing, so can influence the stability when device moves to the working property of device has been influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an energy storage power module, which aims to solve the problem that the energy storage power module in the prior art is unstable in operation.

The utility model provides an energy storage power module, comprising: the shell is provided with an accommodating cavity, and an input terminal and an output terminal are arranged on the shell; the water-cooling radiator is fixed in the accommodating cavity; the filtering module is positioned in the accommodating cavity and comprises a filtering capacitor, a filtering inductor and an IGBT module, the filtering capacitor, the filtering inductor and the IGBT module are all fixed on the surface of the water-cooling radiator, and the filtering module is electrically connected with the input terminal and the output terminal respectively; and the control module is arranged in the accommodating cavity and is electrically connected with the filtering module.

Furthermore, the water-cooled radiator is provided with a water inlet and a water outlet, the IGBT module, the filter inductor and the filter capacitor are sequentially fixed on the surface of the water-cooled radiator along the flowing direction of cooling water from the water inlet to the water outlet, and the IGBT module is arranged close to the water inlet.

Further, the water inlet and the water outlet are both arranged on the same side of the shell.

Further, the filtering module further includes: the driving unit is electrically connected with the IGBT module, can receive an external control signal and drives the IGBT module to work through the control signal; and the bus capacitor is electrically connected with the IGBT module.

Further, the energy storage power module further comprises: and the clamp is fixed on the surface of the water-cooled radiator, the clamp sleeve is arranged on the filter capacitor, and the filter capacitor is fixed on the water-cooled radiator through the clamp.

Further, the IGBT module, the filter inductor and the filter capacitor are all arranged on the same side of the water-cooling radiator.

Further, the control module is arranged above the filtering module along the thickness direction of the shell.

Further, the shell is internally provided with a mounting plate, the mounting plate is fixedly arranged above the filtering module, the control module comprises a power panel, a control panel and a sampling protection unit, the power panel, the control panel and the sampling protection unit are all fixed on the mounting plate, the sampling protection unit is electrically connected with the input terminal, the power panel is electrically connected with the control panel, and the control panel is electrically connected with the IGBT module.

Furthermore, the input terminal and the output terminal are both positioned on one side of the shell, and the water inlet and the water outlet are both positioned on the other side of the shell.

Further, still be provided with seal structure on the casing, seal structure can be used to hold chamber and external isolation.

By applying the technical scheme of the utility model, the water-cooled radiator is arranged in the accommodating cavity of the shell, and the filter capacitor, the filter inductor and the IGBT module are all fixed on the surface of the water-cooled radiator. When the device operates, the water-cooling radiator can exchange heat with the filter capacitor, the filter inductor and the IGBT module, so that heat generated by the module is taken away, normal temperature of the module can be guaranteed when the module operates, and stability of the device during operation can be guaranteed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a schematic structural diagram of an energy storage power module provided by the present invention;

FIG. 2 is a schematic view illustrating an assembly of the filter module, the water-cooled heat sink and the housing according to the present invention;

FIG. 3 is a schematic view illustrating the assembly of the filter module and the water-cooled heat sink according to the present invention;

fig. 4 shows a schematic structural diagram of the filter inductor provided by the present invention.

Wherein the figures include the following reference numerals:

11. an accommodating chamber; 12. an input terminal; 13. an output terminal;

20. a water-cooled radiator; 21. a water inlet; 22. a water outlet;

31. a filter capacitor; 32. a filter inductor; 321. a coil; 322. an iron core; 323. a heat dissipating aluminum housing; 33. an IGBT module; 34. a drive unit; 35. a bus capacitor; 36. clamping a hoop;

41. a power panel; 42. a control panel; 43. a sampling protection unit;

50. and (7) mounting the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to fig. 3, an embodiment of the utility model provides an energy storage power module, which includes a housing, a water-cooled heat sink 20, a filtering module, and a control module. Wherein, the casing has and holds chamber 11, be provided with input terminal 12 and output terminal 13 on the casing, water-cooling radiator 20 is fixed in holding chamber 11, filter module is located and holds chamber 11, filter module includes filter capacitance 31, filter inductance 32 and IGBT module 33, filter capacitance 31, filter inductance 32 and IGBT module 33 are all fixed on water-cooling radiator 20's surface, filter module is connected with input terminal 12 and output terminal 13 electricity respectively, control module sets up in holding chamber 11, and control module is connected with filter module electricity. In the embodiment of the present application, the positive electrode of the filter inductor 32 is connected to the output terminal 13 through a wire, and the negative electrode is connected to the IGBT module 33 through a wire.

By applying the technical scheme of the utility model, the water-cooled radiator 20 is arranged in the accommodating cavity 11 of the shell, and the filter capacitor 31, the filter inductor 32 and the IGBT module 33 are all fixed on the surface of the water-cooled radiator 20. When the device operates, the water-cooling radiator 20 can exchange heat with the filter capacitor 31, the filter inductor 32 and the IGBT module 33, so that heat generated by the modules is taken away, normal temperature of the modules can be guaranteed when the modules operate, and stability of the device during operation can be guaranteed.

Further, the water-cooled heat sink 20 has a water inlet 21 and a water outlet 22, along the flowing direction of the cooling water from the water inlet 21 to the water outlet 22, the IGBT module 33, the filter inductor 32 and the filter capacitor 31 are sequentially fixed on the surface of the water-cooled heat sink 20, and the IGBT module 33 is disposed near the water inlet 21. Through setting up above-mentioned structure, in the operation of device, the temperature of the inside coolant liquid of water-cooling radiator 20 can be in the heat transfer process of flowing by water inlet 21 to keeping away from the direction of water inlet 21 and rise gradually, because the calorific capacity of IGBT module 33 is great compared in other modules, so set up it near water inlet 21 department, filter inductance 32 and filter capacitance 31 set gradually in the low reaches, so can prevent that the operating temperature of above-mentioned module when the operation is too high, and can make each part temperature keep unanimous, and then can further guarantee the stability of device work.

As shown in fig. 3 and 4, in the embodiment of the present application, the IGBT module 33, the filter inductor 32, and the filter capacitor 31 are fixed to the surface of the water-cooled heat sink 20 by screws, which not only reduces the production cost of the device, but also ensures the structural strength of the fixed module. Of course, the module and the water-cooled heat sink 20 may be fixedly connected by other means such as bonding or welding, as long as the structural strength after connection is satisfied.

Because the heating source of the filter inductor 32 is mainly the coil 321 and the iron core 322, but the heat is dispersed due to the structure thereof, and the filter inductor 32 cannot be in full contact with the water-cooled radiator 20 to perform heat exchange, in the embodiment of the present application, the filter inductor 32 adopts the heat-dissipating aluminum housing 323 to make the heat of the filter inductor 32 uniformly concentrated on the surface of the heat-dissipating aluminum housing 323, and performs heat exchange with the water-cooled radiator 20, the filter inductor 32 is placed in the heat-dissipating aluminum housing 323, and then all the gaps in the heat-dissipating aluminum housing 323 are filled with the heat-conducting silica gel, so that the heat can be conducted to the heat-dissipating aluminum housing 323, and then performs heat exchange with the water-cooled radiator 20, so that the heat-dissipating efficiency of the filter inductor 32 can be improved, and the heat-dissipating effect of the device is ensured.

Further, the water inlet 21 and the water outlet 22 are both disposed on the same side of the housing. The arrangement is reasonable, and the pipeline connection and arrangement are convenient while the cooling water flows.

In particular, the filter module further comprises a drive unit 34 and a bus capacitor 35. The driving unit 34 is electrically connected to the IGBT module 33, the driving unit 34 can receive an external control signal, and drive the IGBT module 33 to operate by the control signal, and the bus capacitor 35 is electrically connected to the IGBT module 33. By adopting the above structure, the driving signal is subjected to photoelectric conversion, isolation amplification and other processing in the driving unit 34 to drive the IGBT module 33 to operate, and the operating state of the system and whether a fault occurs are determined by detecting the voltage and current values of the IGBT module 33, so that the system is subjected to closed-loop feedback control, and the pulse width modulation function is realized.

Further, the energy storage power module further comprises a clamp 36, the clamp 36 is fixed on the surface of the water-cooled radiator 20, the clamp 36 is sleeved on the filter capacitor 31, and the filter capacitor 31 is fixed on the water-cooled radiator 20 through the clamp 36. The filter capacitor 31 and the water-cooling radiator 20 can be fixed more firmly while the production cost of the device is reduced. In the embodiment of this application, filter capacitor 31 radiating mode is mainly with inside heat transfer to aluminium shell, then electric capacity aluminium shell passes through clamp 36 to be fixed on water-cooling radiator 20 and carry out the heat exchange, so can improve filter capacitor 31 and water-cooling radiator 20's heat transfer effect to improve filter capacitor 31's radiating effect, further guaranteed the stability of device during operation.

Specifically, the IGBT module 33, the filter inductor 32, and the filter capacitor 31 are all disposed on the same side of the water-cooled heat sink 20. Through the arrangement, the heat exchange between the module and the water-cooling radiator 20 is facilitated, the installation and the arrangement of the device are facilitated, and the maintenance efficiency of the device is improved.

Further, the control module is arranged above the filtering module along the thickness direction of the shell. Because current scheme is half water-cooling half air-cooling structure usually, perhaps is full air-cooling structure to can increase the required space of device, reduce the power density of device, in the embodiment of this application, can rationally utilize the space that holds the chamber 11 inside through above-mentioned setting, make the whole overall arrangement of device more compact, so be favorable to reducing the installation space of device and occupy the volume, thereby make the device possess higher power density.

Specifically, a mounting plate 50 is arranged in the housing, the mounting plate 50 is fixedly arranged above the filtering module, the control module comprises a power supply board 41, a control board 42 and a sampling protection unit 43, the power supply board 41, the control board 42 and the sampling protection unit 43 are all fixed on the mounting plate 50, the sampling protection unit 43 is electrically connected with the input terminal 12, the power supply board 41 is electrically connected with the control board 42, and the control board 42 is electrically connected with the IGBT module 33. The sampling protection unit 43 is a resistance sampling board, i.e. a dc ground protection, for ensuring the safety of the circuit, and the resistance sampling board is connected to the input terminal 12 through a wire. Through setting up mounting panel 50, be convenient for fix control module in holding chamber 11, this fixed mode is simple and can guarantee the structural strength after control module is connected with mounting panel 50 to stability when control module moves has been guaranteed.

Further, the input terminal 12 and the output terminal 13 are both located at one side of the housing, and the water inlet 21 and the water outlet 22 are both located at the other side of the housing. Wherein, in this embodiment, input terminal 12 and output terminal 13 all adopt to insert soon and establish the meter, and still are provided with the communication interface to the outside in water inlet 21 and delivery port 22 side, when maintaining the device, only need pull out communication interface and water route interface, alright directly pull out the device and maintain the change, can not receive the restriction of environment to further improve the installation and the maintenance efficiency of device, the module extension of the device of also being convenient for simultaneously has improved the application scope of device.

Specifically, the housing is further provided with a sealing structure, and the sealing structure can be used for isolating the accommodating cavity 11 from the outside. Through setting up above-mentioned structure, make the device be totally enclosed structure, can be isolated with external environment, no matter how external environment changes, can not exert an influence to the environment that holds 11 insides in chamber to guaranteed the stability that holds 11 inside components and parts operational environment in chamber, and then promoted the reliability of whole device. In the embodiment of the present application, the input terminal 12 and the output terminal 13 are sealed with the housing by flanges; the external communication interface is sealed by a sealing shell; the water inlet 21 and the water outlet 22 are sealed from the housing by the end faces of the heat sink.

By applying the technical scheme of the utility model, the water-cooled radiator 20 is arranged in the accommodating cavity 11 of the shell, the filter capacitor 31, the filter inductor 32 and the IGBT module 33 are all fixed on the surface of the water-cooled radiator 20, and when the device runs, the water-cooled radiator 20 can exchange heat with the filter capacitor 31, the filter inductor 32 and the IGBT module 33, so that heat generated by the modules is taken away, the modules can be at normal temperature when running, and the running stability of the device can be ensured. Meanwhile, the mounting plate 50 is arranged in the shell, the mounting plate 50 is fixedly arranged above the filtering module, the control module is conveniently fixed in the accommodating cavity 11 by arranging the mounting plate 50, the fixing mode is simple, the structural strength of the control module after being connected with the mounting plate 50 can be guaranteed, and the stability of the control module during operation is guaranteed.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the directions or positional relationships shown in the drawings, and are for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An energy storage power module, characterized in that the energy storage power module comprises:

a housing having an accommodation chamber (11), the housing having an input terminal (12) and an output terminal (13) provided thereon;

the water-cooling radiator (20) is fixed in the accommodating cavity (11);

the filtering module is positioned in the accommodating cavity (11), and comprises a filtering capacitor (31), a filtering inductor (32) and an IGBT module (33), wherein the filtering capacitor (31), the filtering inductor (32) and the IGBT module (33) are all fixed on the surface of the water-cooling radiator (20), and the filtering module is respectively and electrically connected with the input terminal (12) and the output terminal (13);

the control module is arranged in the accommodating cavity (11) and is electrically connected with the filtering module.

2. The energy storage power module as claimed in claim 1, wherein the water-cooled heat sink (20) has a water inlet (21) and a water outlet (22), the IGBT module (33), the filter inductor (32) and the filter capacitor (31) are sequentially fixed on the surface of the water-cooled heat sink (20) along the flow direction of cooling water from the water inlet (21) to the water outlet (22), and the IGBT module (33) is disposed near the water inlet (21).

3. The energy storage power module of claim 2, wherein the water inlet (21) and the water outlet (22) are both disposed on the same side of the housing.

4. The energy storage power module of claim 3, wherein the filtering module further comprises:

a driving unit (34) electrically connected to the IGBT module (33), wherein the driving unit (34) can receive an external control signal and drive the IGBT module (33) to operate through the control signal;

and a bus capacitor (35) electrically connected to the IGBT module (33).

5. The energy storage power module of claim 4, further comprising:

clamp (36), clamp (36) are fixed the surface of water-cooling radiator (20), clamp (36) cover is established on filter capacitor (31), filter capacitor (31) pass through clamp (36) are fixed on water-cooling radiator (20).

6. The energy storage power module according to claim 1, wherein the IGBT module (33), the filter inductor (32) and the filter capacitor (31) are all arranged on the same side of the water-cooled heat sink (20).

7. The energy storage power module of claim 6, wherein the control module is disposed above the filter module in a thickness direction of the housing.

8. The energy storage power module as claimed in claim 7, wherein a mounting plate (50) is disposed in the housing, the mounting plate (50) is fixedly disposed above the filtering module, the control module comprises a power board (41), a control board (42) and a sampling protection unit (43), the power board (41), the control board (42) and the sampling protection unit (43) are all fixed on the mounting plate (50), the sampling protection unit (43) is electrically connected with an input terminal (12), the power board (41) is electrically connected with the control board (42), and the control board (42) is electrically connected with the IGBT module (33).

9. The energy storage power module of claim 2, wherein the input terminal (12) and the output terminal (13) are both located on one side of the housing, and the water inlet (21) and the water outlet (22) are both located on the other side of the housing.

10. The energy storage power module of claim 1, wherein the housing further comprises a sealing structure disposed thereon, the sealing structure being configured to isolate the receiving cavity from the environment.

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