CN220544875U - Inverter packaging box device and household energy storage power supply - Google Patents

Abstract

The utility model provides an inverter packaging box device and a household energy storage power supply. The above-mentioned inverter packaging box device is used to be installed on the top of the power module. The inverter packaging box device includes a packaging box cover, an inverter board and an air inlet cooling fan; the packaging box cover is used to be fixedly connected to the power module. Set, the packaging box cover is formed with a ventilation chamber, an air supply port and an air outlet, the ventilation chamber is connected with the air supply port and the air outlet respectively, the air supply port and the air outlet are arranged oppositely, and the outside of the air outlet is used to be arranged toward the air outlet cooling fan; The inverter board is installed in the ventilation chamber; the air inlet cooling fan is installed on the packaging box cover, so that the cooling airflow can concentrate on the surface of the inverter board, avoiding the problem of scattered cooling airflow acting on the inverter board, and improving It improves the heat dissipation performance of household energy storage power supply; because the inverter board is installed in the ventilation chamber, the inverter board is contained in the ventilation chamber, which plays a better shielding role and improves the reliability of the inverter board.

Description

Inverter packaging box device and household energy storage power supply

Technical field

The utility model relates to the technical field of energy storage power supplies, and in particular to an inverter packaging box device and a household energy storage power supply.

Background technique

Energy storage power supply is a power supply device used to store electrical energy. It can output AC 220V, so that the energy storage power supply can be used to power electronic products such as rice cookers or coffee machines. It can also be used for lighting, and can also be used to power electrical equipment using strips. Charging, specially designed for outdoor emergency use, it has the characteristics of light weight, large capacity and high power.

Household energy storage power supplies are developing in the direction of miniaturization, that is, the space inside the household energy storage power supplies is smaller, which requires higher heat dissipation performance of household energy storage power supplies. The heat dissipation mechanism of the traditional household energy storage power supply is located above the inverter control board of the battery module. The heat generated by the operation of the inverter control board rises to the cavity where the heat dissipation mechanism is located for cleaning. For example, patent CN114784985A improves the heat dissipation speed of the battery module. It is relatively slow, especially for the heat dissipation speed of the inverter control board with high heat production, which makes the heat dissipation performance of the household energy storage power supply poor.

Utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art and provide an inverter packaging box device and a household energy storage power supply with better heat dissipation performance.

The purpose of this utility model is achieved through the following technical solutions:

An inverter packaging box device for installation on the top of a power module. The inverter packaging box device includes:

The packaging box cover is used to be fixedly connected to the power module. The packaging box cover is formed with a ventilation chamber, an air supply port and an air outlet. The ventilation chamber is connected to the air supply port and the air outlet respectively. The air supply port is arranged opposite to the air outlet, and the outside of the air outlet is arranged toward the air outlet cooling fan;

An inverter board is installed in the ventilation chamber;

An air inlet cooling fan is installed on the packaging box cover, and the active end of the air inlet cooling fan is arranged corresponding to the air supply port.

In one of the embodiments, the packaging box cover includes a box body and a cover plate. The box body is formed with a mounting groove, and the cover plate is placed on the top of the box body to jointly surround the box body. The ventilation chamber is formed, the air supply port is formed in the box body, and the air outlet is formed in at least one of the box body and the cover plate; the inverter board is fixedly connected to the installation inside the tank.

In one embodiment, support pillars are protruding from the inner wall of the installation tank, the inverter packaging box device further includes a fixing member, the inverter board is provided with through holes, and the support pillars are provided with Threaded holes, the fixing members are respectively inserted into the through holes and the threaded holes; there is a flow path between the inverter board and the bottom wall of the installation tank that is connected to the ventilation chamber. gap.

In one embodiment, the number of the fixing members and the support pillars is multiple, and the number of the via holes is multiple, and each of the fixing members is respectively passed through the corresponding via hole and the corresponding inside the threaded hole.

In one embodiment, the box body and the cover plate are both stamped and formed parts.

In one of the embodiments, positioning steps are formed on both side walls of the top of the box, the cover is provided on the top of the box, and both sides of the cover are respectively in contact with the on the positioning steps on both sides of the box.

In one embodiment, the inverter packaging box device further includes a first locking piece and a first locking nut, the side wall of the cover plate is provided with a first locking via hole, and the positioning step is provided with a first locking hole and a first locking nut. The first locking via hole communicates with the first lock fixing hole, and the first locking member is respectively inserted into the first locking via hole and the first lock fixing hole. The fastener is screwed to the first lock nut, and the first lock nut is in contact with the inside of the box body.

In one embodiment, the end of the cover plate away from the air inlet cooling fan is protruding with a bent extended end surface;

The inverter packaging box device also includes a second locking piece and a second locking nut. The bent extension end face is provided with a second lock fixing hole, and the box body is provided with a second lock fixing hole. The second locking via hole is connected, and the second locking piece is respectively inserted into the second locking via hole and the second lock fixing hole. The second locking piece and the second locking via hole are connected to each other. The locking nut is screwed, and the second locking nut is in contact with the inside of the bent extended end surface.

In one embodiment, the air outlet includes an opening area formed in the box body and an air outlet mesh formed in the cover. The opening area and the air outlet mesh are both connected with the ventilation chamber. are connected, and the opening area and the air outlet mesh are both arranged toward the air outlet cooling fan.

A household energy storage power supply, including a power module, an air outlet cooling fan and the inverter packaging box device described in any of the above embodiments. The air outlet cooling fan and the packaging box cover are both fixedly connected to the On the top of the power module, the outer side of the air outlet is arranged toward the air outlet cooling fan.

Compared with the existing technology, the present utility model has at least the following advantages:

1. In the above-mentioned inverter packaging box device, the packaging box cover is formed with a ventilation chamber, an air supply port and an air outlet. The ventilation chamber is connected with the air supply port and the air outlet respectively. Since the air supply port and the air outlet are arranged oppositely, the air outlet is The outside is set toward the outlet cooling fan, and the air supply inlet is set correspondingly with the action end of the inlet heat dissipation fan, so that the heat dissipation airflow on the outside of the packaging box cover quickly passes through the air supply inlet, ventilation chamber, and air outlet. The inverter board is installed in the ventilation chamber. , so that the cooling airflow can concentrate on the surface of the inverter board, avoiding the problem of scattered cooling airflow acting on the inverter board, and improving the heat dissipation performance of household energy storage power supply;

2. Since the inverter board is installed in the ventilation chamber, the inverter board is accommodated in the ventilation chamber, which plays a better shielding role and improves the reliability of the inverter board.

Description of drawings

In order to explain the technical solutions of the embodiments of the present utility model more clearly, the drawings required in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the utility model. Therefore, it should not be regarded as limiting the scope. For those of ordinary skill in the art, other relevant drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a partial schematic diagram of a household energy storage power supply according to an embodiment;

Figure 2 is a schematic diagram of the household energy storage power supply shown in Figure 1 from another perspective;

Figure 3 is a cross-sectional view of the household energy storage power supply shown in Figure 1;

Figure 4 is a schematic diagram of the inverter packaging box device of the household energy storage power supply shown in Figure 1;

Figure 5 is an exploded view of the inverter packaging box device shown in Figure 4;

FIG. 6 is a schematic diagram of the inverter packaging box device shown in FIG. 5 from another perspective.

Detailed ways

In order to facilitate understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to provide a thorough and comprehensive understanding of the disclosure of the present invention.

It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements may also be present. When an element is said to be "connected" to another element, it can be directly connected to the other element or there may also be intervening elements present. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation manner.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the invention belongs. The terms used in the description of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

This application provides an inverter packaging box device for installation on the top of a power module. The inverter packaging box device includes a packaging box cover, an inverter board and an air inlet and cooling fan; the packaging box cover is used for Fixedly connected to the power module, the packaging box cover is formed with a ventilation chamber, an air supply port and an air outlet. The ventilation chamber is connected to the air supply port and the air outlet respectively, and the air supply port is connected to the air supply port. The air outlets are arranged oppositely, and the outer side of the air outlet is arranged toward the air outlet cooling fan; the inverter board is installed in the ventilation chamber; the air inlet cooling fan is installed on the packaging box cover, and the inlet heat dissipation fan The active end of the fan is arranged corresponding to the air supply port.

In the above-mentioned inverter packaging box device, the packaging box cover is formed with a ventilation chamber, an air supply port and an air outlet. The ventilation chamber is connected to the air supply port and the air outlet respectively. Since the air supply port and the air outlet are arranged oppositely, the outside of the air outlet faces The air outlet cooling fan is set, and the air supply outlet is set correspondingly with the action end of the air inlet cooling fan, so that the heat dissipation airflow outside the packaging box cover can quickly pass through the air supply outlet, ventilation chamber and air outlet. The inverter board is installed in the ventilation chamber, so that The cooling airflow can concentrate on the surface of the inverter board, avoiding the problem of scattered cooling airflow acting on the inverter board, and improving the heat dissipation performance of the household energy storage power supply; because the inverter board is installed in the ventilation chamber, The inverter board is housed in the ventilation chamber, which plays a better shielding role and improves the reliability of the inverter board.

In order to better understand the technical solutions and beneficial effects of the present application, the present application will be further described in detail below in conjunction with specific embodiments:

As shown in FIGS. 1 to 3 , a household energy storage power supply 10 according to an embodiment includes a power module 100 , an air outlet cooling fan 200 and an inverter packaging box device 300 . Among them, the inverter packaging box device 300 is used to be installed on the top of the power module 100 . The inverter packaging box device 300 includes a packaging box cover 310 , an inverter board 320 and an air inlet and cooling fan 330 . The packaging box cover 310 is used to be fixedly connected to the power module 100. The packaging box cover 310 is formed with a ventilation chamber 302, an air supply port 304 and an air outlet 306. The ventilation chamber 302 is connected to the air supply port 304 respectively. The air supply port 304 is connected with the air outlet 306 , the air supply port 304 is arranged opposite to the air outlet 306 , and the outer side of the air outlet 306 is arranged toward the air outlet cooling fan 200 .

In one embodiment, the inverter board 320 is mounted within the ventilation chamber 302 . The air inlet cooling fan 330 is installed on the packaging box cover 310 , and the active end of the air inlet cooling fan 330 is arranged corresponding to the air supply port 304 . In this embodiment, the air outlet cooling fan 200 is fixedly connected to the top of the power module 100 , and the outside of the air outlet 306 is disposed toward the air outlet cooling fan 200 , so that the air outlet cooling fan 200 can be more easily connected. To effectively act on the air outlet 306, that is, to draw the air from the ventilation chamber 302 out of the ventilation chamber 302.

In the above-mentioned inverter packaging box device 300, the packaging box cover 310 is formed with a ventilation chamber 302, an air supply port 304 and an air outlet 306. The ventilation chamber 302 is connected with the air supply port 304 and the air outlet 306 respectively. Since the air supply port 304 is connected with the air outlet The air outlets 306 are arranged oppositely, and the outside of the air outlet 306 is arranged toward the outlet cooling fan 200. The air supply opening 304 is arranged corresponding to the action end of the air inlet cooling fan 330, so that the heat dissipation airflow outside the packaging box cover 310 can quickly pass through the air supply opening 304 and the ventilation cavity. Chamber 302 and air outlet 306, the inverter board 320 is installed in the ventilation chamber 302, so that the heat dissipation airflow can concentrate on the surface of the inverter board 320, and avoid the problem that the heat dissipation airflow acts on the inverter board 320 in a scattered manner. , improving the heat dissipation performance of the household energy storage power supply 10; since the inverter board 320 is installed in the ventilation chamber 302, the inverter board 320 is accommodated in the ventilation chamber 302, which plays a better shielding role and improves the heat dissipation performance of the household energy storage power supply 10. Usage reliability of the inverter board 320.

As shown in Figures 3, 4 and 5, in one embodiment, the packaging box cover 310 includes a box body 312 and a cover plate 314. The box body 312 is formed with a mounting groove 3122. The cover plate A cover 314 is provided on the top of the box 312 to together form the ventilation chamber 302 with the box 312 , and the air supply port 304 is formed in the box 312 . The inverter board 320 is fixedly connected in the installation slot 3122 so that the inverter board 320 is installed in the ventilation chamber 302 . In this embodiment, the air outlet 306 is formed in at least one of the box body 312 and the cover plate 314. That is, the air outlet 306 may be formed only in the box body 312, or may be formed only in the cover plate 314. Or it can be formed on the box body 312 and the cover 314 at the same time. The box body 312 and the cover plate 314 are separately formed, which reduces the manufacturing difficulty of the packaging box cover 310 .

As shown in FIGS. 3 , 4 and 5 , further, the box 312 is installed and fixed on the top of the power module 100 . In this embodiment, the top of the power module 100 is protruding with a thermal conductive column 102, and the bottom of the box 312 is fixed to the thermal conductive column 102, so that the heat of the power module 100 can be conducted to the box 312 through the thermal conductive column 102 for heat dissipation. Heat can also be dissipated by conduction to the box 312 through thermal radiation. Specifically, the bottom of the box 312 is fixed to the thermal conductive column 102 through screws.

As shown in Figures 3, 4 and 5, in one embodiment, support pillars 3123 are protruding from the inner wall of the installation groove 3122, and the inverter packaging box device 300 also includes a fixing member (not shown in the figure). (shown in the figure), the inverter board 320 is provided with a through hole 322, the support column 3123 is provided with a threaded hole (not shown), and the fixing members are respectively inserted into the through hole 322 and the threaded hole. , so that the inverter board 320 is supported and fixed in the installation groove 3122. In this embodiment, there is a flow gap 327 connected to the ventilation chamber 302 between the inverter board 320 and the bottom wall of the installation tank 3122, so that part of the heat dissipation airflow can act on the inverter. The other part of the upper surface of the board 320 acts on the lower surface of the inverter board 320, thereby improving the heat dissipation performance of the inverter board 320. Fixings can be screws or studs.

As shown in Figure 3, Figure 4 and Figure 5, in one embodiment, the number of the fixing members and the support pillars 3123 is multiple, and the number of the through holes 322 is multiple. The fixing members are respectively inserted into the corresponding through holes 322 and corresponding threaded holes, so that the inverter board 320 is more firmly fixed in the installation groove 3122.

As shown in Figures 3, 4 and 5, in one embodiment, the box body 312 and the cover plate 314 are stamped parts, making the structure of the box body 312 and the cover plate 314 simpler and easier. Processing and shaping.

As shown in Figures 3, 4 and 5, in one embodiment, positioning steps 3124 are formed on both side walls of the top of the box 312, and the cover 314 is provided on the top of the box 312. The top, and both sides of the cover 314 are respectively abutted on the positioning steps 3124 on both sides of the box 312, so that the cover 314 can be smoothly covered on both sides of the box 312.

As shown in FIG. 3 , FIG. 4 and FIG. 5 , in one embodiment, the inverter packaging box device 300 further includes a first locking component 350 and a first locking nut 360 . The side wall of the cover 314 is provided with a first locking through hole 322, and the positioning step 3124 is provided with a first locking fixing hole 3125 connected with the first locking through hole 322. The components 350 are respectively inserted into the first locking through hole 322 and the first lock fixing hole 3125. The first locking piece 350 is screwed to the first locking nut 360, and the first locking nut 360 abuts the inside of the box 312, so that the side wall of the cover 314 is in contact with the box. 312 firmly connected. In this embodiment, the first locking fixing hole 3125 is a threaded hole. The number of the first locking parts 350 and the first locking nuts 360 is two. The cover plate 314 is provided with first locking through holes 322 on both sides of the side walls. The number of the first locking fixing holes 3125 is Two, each first locking member 350 is respectively inserted into the corresponding first locking through hole 322 and the corresponding first lock fixing hole 3125. The first locking member 350 is a screw or bolt.

As shown in FIGS. 3 , 4 and 5 , in one embodiment, a bent extension end surface 3142 is protruding from an end of the cover 314 away from the air inlet and cooling fan 330 . The inverter packaging box device 300 also includes a second locking member 370 and a second locking nut (not shown). The bent extension end surface is provided with a second lock fixing hole 3143, and the box body 312 is provided with a second locking hole 3143. There is a second locking through hole 322 connected with the second lock fixing hole 3143, and the second locking member 370 is passed through the second locking through hole 322 and the second lock fixing hole 3143 respectively. Inside. The second locking member 370 is screwed to the second locking nut, and the second locking nut is in contact with the inside of the bent extended end surface 3142, so that the side wall of the cover 314 is in contact with the box body. 312 for a stronger connection. In this embodiment, the second locking fixing hole 3143 is a threaded hole. The number of the second locking parts 370 and the second locking nuts is two. The cover plate 314 has two second locking holes 3143 on both sides of the side walls. The number of the second locking through holes 322 is two. Each first locking member 350 is passed through the corresponding second locking through hole 322 and the corresponding second lock fixing hole 3143 respectively. The second locking member 370 is a screw or bolt.

As shown in Figures 3, 4 and 5, in one embodiment, the air outlet 306 includes an opening area 3121 formed in the box 312 and an air outlet mesh 3145 formed in the cover 314. , the opening area 3121 and the air outlet mesh 3145 are both connected to the ventilation chamber 302, and the opening area 3121 and the air outlet mesh 3145 are arranged toward the air outlet cooling fan 200, so that the packaging box The cover 310 has better heat dissipation effect. In this embodiment, the air outlet mesh 3145 is formed on the bent extended end surface 3142. In other embodiments, the bent extended end surface 3142 may be omitted, that is, the cover plate 314 is provided with a bare area connected to the opening area 3121.

Compared with the existing technology, the present utility model has at least the following advantages:

1. In the above-mentioned inverter packaging box device 300, the packaging box cover 310 is formed with a ventilation chamber 302, an air supply port 304 and an air outlet 306. The ventilation chamber 302 is connected to the air supply port 304 and the air outlet 306 respectively. Since the air supply port 304 The air outlet 306 is arranged opposite to the air outlet 306, and the outer side of the air outlet 306 is arranged toward the air outlet cooling fan 200. The air supply outlet 304 is arranged corresponding to the action end of the air inlet cooling fan 330, so that the heat dissipation airflow outside the packaging box cover 310 can quickly pass through the air supply outlet 304, The ventilation chamber 302 and the air outlet 306, and the inverter board 320 are installed in the ventilation chamber 302, so that the heat dissipation airflow can concentrate on the surface of the inverter board 320 and prevent the heat dissipation airflow from acting on the inverter board 320 in a scattered manner. problem, improving the heat dissipation performance of household energy storage power supply 10;

2. Since the inverter board 320 is installed in the ventilation chamber 302, the inverter board 320 is accommodated in the ventilation chamber 302, which plays a better shielding role and improves the reliability of the inverter board 320.

The above-mentioned embodiments only express several implementation modes of the present invention. The descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present utility model, and these all fall within the protection scope of the present utility model. Therefore, the protection scope of the utility model patent should be determined by the appended claims.

Claims (10)

1. An inverter packaging box device for install in power module's top, its characterized in that, inverter packaging box device includes:

the packaging box cover is used for being fixedly connected with the power supply module, a ventilation cavity, an air supply opening and an air outlet are formed in the packaging box cover, the ventilation cavity is respectively communicated with the air supply opening and the air outlet, the air supply opening and the air outlet are oppositely arranged, and the outer side of the air outlet is used for being arranged towards an air outlet cooling fan;

an inverter board installed in the ventilation chamber;

and the air inlet radiating fan is arranged on the packaging box cover, and the acting end of the air inlet radiating fan is arranged corresponding to the air supply opening.

2. The inverter enclosure device of claim 1, wherein the enclosure cover comprises a box body and a cover plate, the box body is provided with a mounting groove body, the cover plate is covered on the top of the box body to enclose the ventilation chamber together with the box body, the air supply opening is formed in the box body, and the air outlet is formed in at least one of the box body and the cover plate; the inverter board is fixedly connected in the installation groove body.

3. The inverter packaging box device according to claim 2, wherein the inner wall of the mounting groove body is convexly provided with a support column, the inverter packaging box device further comprises a fixing piece, the inverter board is provided with a via hole, the support column is provided with a threaded hole, and the fixing piece is respectively penetrated in the via hole and the threaded hole; and an overcurrent gap communicated with the ventilation cavity is formed between the inverter plate and the bottom wall of the mounting groove body.

4. The inverter enclosure device of claim 3, wherein the number of the fixing members and the supporting columns is plural, the number of the through holes is plural, and each fixing member is respectively disposed through a corresponding through hole and a corresponding threaded hole.

5. The inverter enclosure device of claim 2, wherein the case and the cover are stamped and formed pieces.

6. The inverter packaging box device of claim 5, wherein positioning steps are formed on two side walls of the top of the box body, the cover plate is covered on the top of the box body, and two side edges of the cover plate are respectively abutted on the positioning steps of the two side walls of the box body.

7. The inverter enclosure device of claim 6, further comprising a first locking member and a first locking nut, wherein a first locking via hole is formed in a side wall of the cover plate, a first locking fixing hole communicated with the first locking via hole is formed in the positioning step, the first locking member is respectively arranged in the first locking via hole and the first locking fixing hole in a penetrating manner, the first locking member is in threaded connection with the first locking nut, and the first locking nut is abutted to the inner side of the box body.

8. The inverter enclosure device of claim 6, wherein an end of the cover plate remote from the air intake and heat dissipation fan is convexly provided with a bent extension end face;

the inverter packaging box device further comprises a second locking piece and a second locking nut, a second locking fixing hole is formed in the bending extension end face, a second locking through hole communicated with the second locking fixing hole is formed in the box body, the second locking piece is respectively arranged in the second locking through hole and the second locking fixing hole in a penetrating mode, the second locking piece is in threaded connection with the second locking nut, and the second locking nut is in butt joint with the inner side of the bending extension end face.

9. The inverter enclosure device of claim 2, wherein the air outlet comprises an opening area formed in the case body and an air outlet mesh formed in the cover plate, the opening area and the air outlet mesh are both communicated with the ventilation chamber, and the opening area and the air outlet mesh are both arranged towards the air outlet cooling fan.

10. The utility model provides a domestic energy storage power, its characterized in that includes power module, air-out radiator fan and the inverter encapsulation box device of any one of claims 1 to 9, air-out radiator fan with encapsulation box cover all fixed connection in power module's top, the outside of air-out is towards air-out radiator fan sets up.