CN217427434U

CN217427434U - Power equipment

Info

Publication number: CN217427434U
Application number: CN202220973038.7U
Authority: CN
Inventors: 路政; 苏浩; 李永红; 周杰
Original assignee: Sungrow Power Supply Co Ltd
Current assignee: Sungrow Power Supply Co Ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-09-13
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses an electric power device, which comprises a main box body, a shell and a heat radiating piece, wherein the main box body is provided with a first side wall and a first accommodating cavity; the heat dissipation part comprises a first heat dissipation part and a second heat dissipation part, and the first heat dissipation part is arranged on the inner side surface of the first side wall and is positioned in the first accommodating cavity; the second heat dissipation part is arranged on the outer side surface of the first side wall at a position corresponding to the first heat dissipation part and is positioned in the second accommodating cavity; the heat in the main box body is transferred into the shell through the heat dissipation piece, the heat dissipation piece with high heat dissipation efficiency stretches into the first containing cavity and the second containing cavity, the heat in the main box body is guided out of the shell, the internal temperature of the main box body is reduced, and the heat dissipation efficiency is high.

Description

Power equipment

Technical Field

The utility model relates to a power equipment technical field, in particular to power equipment.

Background

At present, the protection grade of a box body of a commonly used inverter or other power equipment is basically more than IP65, the box body is relatively closed, a large number of electronic devices are arranged in the box body, when the power equipment works, the electronic devices can generate a large amount of heat, the heat dissipation efficiency of the existing power equipment is low, when the temperature in the box is too high, the devices are easily damaged or spontaneously combust, and great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a power equipment, the power equipment radiating efficiency who provides is high.

The utility model provides a power equipment, include: the main box body is provided with a first side wall and a first containing cavity;

the shell is arranged on the first side wall and is provided with a second accommodating cavity;

the heat dissipation piece comprises a first heat dissipation part and a second heat dissipation part, wherein the first heat dissipation part is arranged on the inner side surface of the first side wall and is positioned in the first accommodating cavity; the second heat dissipation part is arranged on the outer side surface of the first side wall at a position corresponding to the first heat dissipation part and is positioned in the second accommodating cavity.

Optionally, a first communication port is formed in the first side wall, the housing includes a substrate, the substrate is attached to the first side wall, a position of the first heat dissipation part corresponding to the first communication port is formed in one side of the substrate facing the main box, and the first heat dissipation part penetrates through the first communication port and is located in the first accommodating cavity; the second heat dissipation part is arranged on one side of the substrate, which is far away from the main box body, corresponding to the first heat dissipation part and is positioned in the second accommodating cavity.

Optionally, a second communication port is arranged on the substrate of the housing corresponding to the first communication port, and the first communication port and the second communication port are communicated with the first accommodating cavity and the second accommodating cavity;

the heat dissipation piece further comprises a connecting plate, the connecting plate is provided with a first side and a second side which are opposite to each other, the first heat dissipation portion is connected to the first side, the second heat dissipation portion is connected to the second side, and the connecting plate seals the first communication opening or the second communication opening.

Optionally, the connecting plate is detachably connected or welded to the first side wall of the main box body through a fastener at a position corresponding to the first communication port, and the first communication port is sealed.

Optionally, the connecting plate is detachably connected or welded to the substrate of the housing through a fastener at a position corresponding to the second communication port, and the second communication port is sealed.

Optionally, the shell is connected with the main box body in a welding manner; or the shell and the main box body are detachably connected through a fastener.

Optionally, first threading mouth has on the first lateral wall, the casing has second threading mouth and third threading mouth, the second threading mouth corresponds the position setting of first threading mouth for the confession is located the exchange output wiring in the first holding chamber of the main tank body penetrates the second holding chamber of casing, the third threading mouth is used for supplying to penetrate the exchange output wiring in second holding chamber is worn out.

Optionally, the third threading opening is located at the bottom of the housing.

Optionally, the casing still includes apron and a plurality of curb plate, apron, a plurality of curb plates and the base plate encloses to form second holding chamber.

Optionally, the heat dissipation member further includes a third heat dissipation member disposed on the cover plate and/or the side plate.

The utility model discloses an electric power device, which comprises a main box body, a shell and a heat radiating piece, wherein the main box body is provided with a first side wall and a first accommodating cavity; the heat dissipation piece comprises a first heat dissipation part and a second heat dissipation part, and the first heat dissipation part is arranged on the inner side surface of the first side wall and is positioned in the first accommodating cavity; the second heat dissipation part is arranged on the outer side surface of the first side wall at a position corresponding to the first heat dissipation part and is positioned in the second accommodating cavity; the heat in the main box body is transferred into the shell through the heat dissipation piece, the heat dissipation piece with high heat dissipation efficiency stretches into the first containing cavity and the second containing cavity, the heat in the main box body is guided out of the shell, the internal temperature of the main box body is reduced, and the heat dissipation efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure according to an embodiment of the present invention;

FIG. 3 is a schematic view from another angle of FIG. 2;

fig. 4 is a schematic structural diagram of another embodiment of the present invention.

The reference numbers indicate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Main box	110	First communication port
120	The first threading opening	130	A first accommodating cavity
				140	First side wall	200	Shell body
210	Second communication port	220	The second threading opening
				230	The third threading opening	240	First heat sink
250	Second heat sink	260	Third heat sink
				270	Second containing cavity	280	Substrate

The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a power equipment, the power equipment radiating efficiency who provides is high, and this power equipment can be dc-to-ac converter etc..

In an embodiment, referring to fig. 1 to 3, the power device includes a main box 100, a housing 200, and a heat sink, the main box 100 having a first sidewall 140 and a first receiving cavity 130, the housing 200 being disposed on the first sidewall 140 and having a second receiving cavity 270; the heat dissipation member includes a first heat dissipation member 240 and a second heat dissipation member 250, the first heat dissipation member 240 is disposed on an inner side surface of the first sidewall 140 and located in the first receiving cavity 130; the second heat sink piece 250 is disposed on the outer side of the first sidewall 140 at a position corresponding to the first heat sink piece 240 and located in the second receiving cavity 270; the heat in the main box 100 is transferred into the casing 200 through the heat dissipation member, the heat dissipation member with high heat dissipation efficiency extends into the first accommodation cavity 130 and the second accommodation cavity 270, the heat in the main box 100 is conducted out into the casing 200, the internal temperature of the main box 100 is reduced, and the heat dissipation efficiency is high.

In this embodiment, the first accommodating cavity 130 of the main box 100 is used for accommodating electronic devices, the heat sink is used for dissipating heat of the electronic devices in the first accommodating cavity, when the power equipment works normally, the heat generation amount of the devices is large, the temperature inside the main box 100 is high, and the housing 200 has no heat generating device, and the heat inside the main box 100 is conducted by the heat sink. Specifically, the method comprises the following steps: the first heat sink 240 extends in a direction away from the inner side of the main box 100 and extends into the first receiving cavity 130 of the main box 100; the second heat sink 250 extends in a direction away from the outer side of the main housing 100 and extends into the second receiving cavity 270 of the housing 200. The heat in the main case 100 is transferred into the housing 200 through the first heat sink piece 240 and the second heat sink piece 250, and the first heat sink piece 240 and the second heat sink piece 250 increase a heat dissipation area, thereby improving heat dissipation efficiency.

In addition, the main box 100 and the housing 200 have a temperature difference, and can conduct heat through contact, and the housing 200 is placed in the air, so that heat can be dissipated through the surface of the housing 200, and the heat dissipation efficiency of the main box 100 is effectively improved due to the increase of the heat dissipation area.

Among them, the first heat sink member 240 and the second heat sink member 250 may have various structures, for example: the first heat dissipation part 240 includes a plurality of heat dissipation fins arranged at equal intervals, and the second heat dissipation part 250 is similar.

In an embodiment, referring to fig. 2 and 3, the first sidewall 140 is provided with a first communication opening 110, the housing 200 includes a substrate 280, the substrate 280 is attached to the first sidewall 140, the first heat dissipation portion 240 is disposed on a side of the substrate 280 facing the main housing 100 corresponding to the first communication opening 110, and the first heat dissipation portion 240 penetrates through the first communication opening 110 and is disposed in the first accommodation cavity 130; the second heat sink piece 250 is disposed on one side of the substrate 280 away from the main box 100, corresponding to the first heat sink piece 240, and is located in the second receiving cavity 270.

In the present embodiment, the first heat sink piece 240 and the second heat sink piece 250 are fixedly connected to the housing 200, specifically, fixedly connected to the first sidewall 140 of the housing 200, and may be directly welded to the first sidewall 140. The first heat dissipation part 240 is inserted into the first accommodation cavity 130 from the first communication port 110, the second heat dissipation part 250 is located in the second accommodation cavity 270, heat generated by electronic devices and the like in the first accommodation cavity 130 is transmitted to the first side wall 140 through the first heat dissipation part 240 and then transmitted to the second heat dissipation part 250, and is dissipated to the second accommodation cavity 270 through the second heat dissipation part 250, so that an effective heat dissipation effect on the main box 100 is achieved.

In an embodiment, referring to fig. 2 and 3, the substrate 280 of the housing 200 is provided with a second communication port 210 at a position corresponding to the first communication port 110, and the first communication port 110 and the second communication port 210 communicate the first accommodating chamber 130 and the second accommodating chamber 270; the heat dissipation member further includes a connection plate (not shown) having first and second opposite sides, the first heat dissipation member 240 being connected to the first side, the second heat dissipation member 250 being connected to the second side, and the connection plate enclosing the first communication port 110 or the second communication port 210.

In this embodiment, the first heat dissipation part 240, the second heat dissipation part 250 and the connecting plate are integrally arranged, and the heat dissipation part (including the first heat dissipation part 240, the second heat dissipation part 250 and the connecting plate) and the housing 200 are designed in a split manner, so that the assembly is simple and convenient in processing and installation.

In the present embodiment, the first communication port 110 and the second communication port 210 may be identical or non-identical in size and shape, and the connection plate can function to seal the main casing 100 regardless of whether the first communication port 110 or the second communication port 210 is sealed.

Specifically, the connecting plate may be detachably connected to the first sidewall 140 of the main housing 100 by a fastener at a position corresponding to the first communication port 110, and the first communication port 110 is sealed; of course, the connection plate may be detachably connected to the base plate 280 of the housing 200 at a position corresponding to the second communication port 210 by a fastener; for the convenience and stability of the detachable connection and the guarantee of the sealability of the main case 100, the area of the connection plate is larger than that of the first communication port 110, and the first communication port 110 can be completely sealed, and at this time, the connection plate is fastened and connected with the first sidewall 140 at the overlapped place by the screw.

Specifically, the connection plate may be fixedly connected to the first sidewall 140 by welding at a position corresponding to the first communication port 110 to seal the first communication port 110, or may be fixedly connected to the substrate 280 by welding at a position corresponding to the second communication port 210 to seal the second communication port 210. The welding has high sealing performance and firm connection.

In one embodiment, the housing 200 is welded to the main case 100; alternatively, the housing 200 is detachably coupled to the main casing 100 by a fastener. The casing 200 and the main casing 100 are designed to be attached to each other, so that heat can be transferred by the temperature difference between the casing and the main casing, and the heat transfer efficiency is further improved.

In one embodiment, the first sidewall 140 has a first threading opening 120, the housing 200 has a second threading opening 220 and a third threading opening 230, the second threading opening 220 is disposed at a position corresponding to the first threading opening 120 for allowing the ac output wiring in the first accommodation chamber 130 of the main box 100 to pass through the second accommodation chamber 270 of the housing 200, and the third threading opening 230 is for allowing the ac output wiring passing through the second accommodation chamber 270 to pass through.

In this embodiment, the first threading opening 120, the second threading opening 220 and the third threading opening 230 are arranged to isolate the ac output wiring from the electric devices in the main box 100, so as to prevent the interference of strong electricity to the devices and the influence on the normal operation of the devices.

In an embodiment, the third threading opening 230 is located at the bottom of the housing 200, and it should be noted that the bottom described herein does not refer to a fixed side of the housing 200, but refers to a bottom located at the lower end in the gravity direction, and the third threading opening 230 is located at the bottom and can play a role of waterproof and dustproof.

In an embodiment, referring to fig. 1 and 4, the housing 200 further includes a cover plate and a plurality of side plates, the cover plate, the plurality of side plates and the base plate 280 enclose to form the second accommodating cavity 270, and the cover plate is detachably connected to the plurality of side plates, so as to facilitate operations of the ac output connection, the heat dissipation portion, and the like.

In an embodiment, the heat dissipation member further includes a third heat dissipation member 260, the third heat dissipation member 260 is disposed on the cover plate and/or the side plate, specifically, the third heat dissipation member 260 may be disposed on any side plate or cover plate or both the side plate and the cover plate, and the third heat dissipation member 260 has various structures, may be fin-shaped, and may also have other structural shapes, so as to increase the heat dissipation area and further improve the heat dissipation efficiency; referring to fig. 4, the third heat sink member 260 is disposed on two opposite side plates of the housing 200 in a fin shape.

Above only be the utility model discloses an optional embodiment to do not consequently restrict the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all includes in this novel patent protection scope of use in other relevant technical field.

Claims

1. An electrical device, characterized in that the electrical device comprises:

the main box body is provided with a first side wall and a first containing cavity;

the heat dissipation part comprises a first heat dissipation part and a second heat dissipation part, and the first heat dissipation part is arranged on the inner side surface of the first side wall and is positioned in the first accommodating cavity; the second heat dissipation part is arranged on the outer side surface of the first side wall at a position corresponding to the first heat dissipation part and is positioned in the second accommodating cavity.

2. The power equipment according to claim 1, wherein the first side wall is provided with a first communication port, the housing comprises a substrate, the substrate is attached to the first side wall, the first heat dissipation part is arranged on one side of the substrate facing the main box body corresponding to the position of the first communication port, and the first heat dissipation part penetrates through the first communication port and is positioned in the first accommodating cavity; the second heat dissipation part is arranged on one side of the substrate, which is far away from the main box body, corresponding to the first heat dissipation part and is positioned in the second accommodating cavity.

3. The electric power equipment according to claim 2, wherein a second communication port is provided on the base plate of the housing at a position corresponding to the first communication port, and the first communication port and the second communication port communicate the first accommodation chamber and the second accommodation chamber;

the heat dissipation piece further comprises a connecting plate, the connecting plate is provided with a first side and a second side which are opposite to each other, the first heat dissipation piece is connected to the first side, the second heat dissipation piece is connected to the second side, and the connecting plate is provided with the first communication port or the second communication port in a sealed mode.

4. The electrical apparatus of claim 3, wherein the connection plate is detachably connected or welded to the first side wall of the main housing by a fastener at a position corresponding to the first communication port, and the first communication port is sealed.

5. The electrical equipment according to claim 3, wherein the connecting plate is detachably connected or welded to the base plate of the housing by a fastener at a position corresponding to the second communication port, and the second communication port is sealed.

6. The electrical apparatus of claim 1, wherein the housing is welded to the main tank; or the shell and the main box body are detachably connected through a fastener.

7. The electric power equipment as claimed in claim 1, wherein the first side wall has a first threading opening, the housing has a second threading opening and a third threading opening, the second threading opening is disposed corresponding to the first threading opening for allowing the ac output wiring in the first accommodating cavity of the main box to pass through the second accommodating cavity of the housing, and the third threading opening is for allowing the ac output wiring passing through the second accommodating cavity to pass through.

8. The electrical apparatus of claim 7, wherein the third stringing port is located at a bottom of the housing.

9. The electrical device of claim 2, wherein the housing further comprises a cover plate and a plurality of side plates, the cover plate, the plurality of side plates, and the base plate enclosing the second receiving cavity.

10. The electrical device of claim 9, wherein the heat sink further comprises a third heat sink portion disposed on the cover plate and/or side plate.