CN223230186U - Protective shell, transformer, air conditioner outdoor unit and air conditioner - Google Patents

Abstract

The present application discloses a protective housing including an inner housing component and an outer housing component. The inner housing component is arranged to form an inner housing cavity. The inner housing component has an inner ventilation area, and the outer housing component has an outer heat dissipation area. The outer housing component is sleeved on the outside of the inner housing component. A gap cavity is formed between the outer housing component and the inner housing component. The gap cavity includes two relatively independent first and second guide cavities. The first guide cavity is close to the top of the inner housing component, and the second guide cavity is close to the bottom of the inner housing component. The first and second guide cavities are both connected to the inner housing cavity through the inner ventilation area, so that the flowing air is guided from the second guide cavity to the first guide cavity. At the same time, a transformer device using the protective housing, an air conditioner outdoor unit using the transformer device, and an air conditioner using the air conditioner outdoor unit are also disclosed. The technical solution of the present application can ensure the formation of convection in the protective housing, effectively improving the heat dissipation efficiency and effect.

Description

Protective shell, transformer, air conditioner outdoor unit and air conditioner

Technical Field

The application relates to the technical field of voltage transformation, in particular to a protective shell, a voltage transformation device, an air conditioner outdoor unit and an air conditioner.

Background

The transformer is a device for changing alternating voltage by utilizing electromagnetic induction principle, and the main components are a primary coil, a secondary coil and an iron core (magnetic core), and has the main functions of voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer) and the like, and is widely applied to residential communities, commercial centers, industrial and mining enterprises, hospitals, schools and other places.

In the related art, aiming at the situation that the temperature in summer is relatively high, and the transformer generates certain heat during operation, so that potential safety hazards exist for the transformer due to high temperature, a heat dissipation hole/air hole is formed in the existing transformer outer box/transformer cabinet for storing the transformer, so that a large amount of heat on the periphery of the transformer is released through the heat dissipation hole/air hole and discharged to the outside of the transformer outer box/transformer cabinet.

However, due to the blocking of the transformer, the heat dissipation holes/air holes are uniformly formed in the transformer outer box/transformer cabinet, so that convection is not easy to form, and the overall heat dissipation effect of the transformer outer box/transformer cabinet is greatly affected. The utility model provides a problem that the radiating efficiency of current vary voltage outer tank/vary voltage cabinet is low, for example, the high-efficient radiating vary voltage case of authority publication number CN219123051U of 2023 6 month 2 day disclosure, the roof of the box of this current high-efficient radiating vary voltage case be the heat dissipation exhaust plate, and the edge of heat dissipation exhaust plate surpasses the lateral wall of box, and the heat dissipation exhaust plate bottom is equipped with the exhaust grid, and the side bottom of heat dissipation exhaust plate is equipped with the exhaust hole with the exhaust grid intercommunication. In addition, the bottom of the heat dissipation exhaust plate is fixedly provided with a heat dissipation fan positioned below the exhaust grid.

This arrangement not only relies on the radiator fan to promote air circulation, but may not be effective in expelling the heated air from the housing if the radiator fan is not sufficiently powerful or of an unreasonable design. In addition, the air flow generated by the cooling fan may be uneven, resulting in poor cooling effect in a partial region of the transformer. And when the cooling fan breaks down, the cooling fan is replaced and the box body is required to be detached to a large extent, so that the temperature in the box body is greatly increased, and the normal use of the equipment is influenced. Meanwhile, the exhaust grille is positioned at the bottom of the heat dissipation exhaust plate, and dust and sundries are easy to accumulate in the long-term use process. If not cleaned in time, the exhaust grille is blocked, and the heat dissipation efficiency is greatly reduced.

Disclosure of utility model

The embodiment of the application provides a protective shell, a transformer, an air conditioner outdoor unit and an air conditioner, which can ensure that convection is formed in the protective shell, and effectively improve the heat dissipation efficiency and effect.

In a first aspect, embodiments of the present application provide a protective housing comprising:

An inner housing member surrounding an inner housing chamber, the inner housing member having an inner ventilation area thereon;

The outer shell member is provided with an outer heat dissipation area, the outer shell member is sleeved on the outer side of the inner shell member, a gap cavity is formed between the outer shell member and the inner shell member at intervals, the gap cavity comprises two relatively independent first diversion cavities and second diversion cavities, the first diversion cavities are close to the top of the inner shell member, the second diversion cavities are close to the bottom of the inner shell member, and the first diversion cavities and the second diversion cavities are communicated with the inner shell cavity through the inner ventilation area, so that flowing air is guided to flow from the second diversion cavities to the first diversion cavities.

In an embodiment, a support member is provided on at least one of the inner and outer housing members, the support member protruding from one of the inner and outer housing members towards the other and abutting to separate the gap cavity into the first and second flow directing cavities.

In one embodiment, the support member is U-shaped in configuration.

In an embodiment, the support member is integrally formed with the inner housing member or the support member is integrally formed with the outer housing member.

In an embodiment, the outer heat dissipation area is offset from the inner ventilation area, and in a direction perpendicular to the outer side of the outer housing member, the inner ventilation area is located on a side closer to the top cover sealing portion, and the outer heat dissipation area is located on a side farther from the top cover sealing portion.

In an embodiment, the protection housing further comprises a housing top cover, the housing top cover covers the top of the inner housing member, at least one of the inner housing member and the outer housing member is connected with the housing top cover, and the housing top cover is used for sealing the accommodating inner housing cavity.

In an embodiment, the housing top cover comprises a top cover sealing part and a top cover side sealing part, the top cover side sealing part extends from the top cover sealing part towards one side of the bottom of the inner housing component, the top cover side sealing part is positioned on the outer side of the outer housing component, the top cover side sealing part is fixedly connected with the top cover sealing part, and the inner housing component and/or the outer housing component are detachably connected with the top cover sealing part.

In an embodiment, the top cover side seal covers at least part of the outer heat dissipation area in a direction perpendicular to the outer side of the outer housing member.

In an embodiment, a plurality of external heat dissipation openings are arranged in the external heat dissipation area, and shutter baffles are arranged at the edges of at least part of the external heat dissipation openings and are arranged in the clearance cavity.

In a second aspect, an embodiment of the present application provides a transformer apparatus, including:

A protective housing as described above;

The transformation component is fixedly arranged in the accommodating inner shell cavity.

In a third aspect, an embodiment of the present application provides an air conditioner outdoor unit, where the air conditioner outdoor unit includes a casing and the above-mentioned transformer device, and a fan cavity and an electric cavity are disposed in the casing, and the transformer device is fixed in the electric cavity.

In a fourth aspect, an embodiment of the present application provides an air conditioner, including the air conditioner outdoor unit described above.

Based on the above embodiment, the protective housing provided by the embodiment of the application comprises an inner housing member and an outer housing member, wherein the inner housing member is surrounded to form an accommodating inner housing cavity, an inner ventilation area is formed on the inner housing member, an outer heat dissipation area is formed on the outer housing member, the outer housing member is sleeved outside the inner housing member, a gap cavity is formed between the outer housing member and the inner housing member at intervals, the gap cavity comprises two relatively independent first diversion cavities and second diversion cavities, the first diversion cavities are close to the top of the inner housing member, the second diversion cavities are close to the bottom of the inner housing member, and the first diversion cavities and the second diversion cavities are communicated with the accommodating inner housing cavity through the inner ventilation area, so that flowing air is guided to flow from the second diversion cavities to the first diversion cavities.

Compared with the related art, the technical scheme of the application ensures that flowing air can flow from the second diversion cavity to the first diversion cavity through the matching of the first diversion cavity and the second diversion cavity which are relatively independent, so that the convection of the inner shell cavity in the protective shell can be ensured, and the flowing air can better carry a large amount of heat released by the pressure-changing component in the process of flowing through the pressure-changing component and can pass through the outer heat dissipation area to be removed, thereby effectively improving the heat dissipation efficiency and effect, and further ensuring the working performance of the pressure-changing component.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram illustrating an assembly of a transformer device according to an embodiment of the present utility model;

FIG. 2 is a schematic top view of a transformer according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view at E-E of FIG. 2;

FIG. 4 is an enlarged view of a portion of the F position of FIG. 3;

FIG. 5 is a schematic view of a partial explosion of a protective housing according to an embodiment of the present utility model;

FIG. 6 is an overall exploded view of a protective housing according to an embodiment of the present utility model;

FIG. 7 is a schematic view of the whole structure of a protective housing according to an embodiment of the utility model;

FIG. 8 is a schematic view of a semi-sectional assembly of a protective housing according to an embodiment of the present utility model;

FIG. 9 is a schematic view of the structure of the inner housing member of the present utility model;

fig. 10 is a schematic view of the structure of the first housing wall in the present utility model.

Reference numerals illustrate:

1-protective shell, 11-inner shell member, 111-inner ventilation area, 112-first inner shell wall, 113-second inner shell wall, 114-first inner wall, 115-second inner wall, 116-inner extension, 117-inner vent, 118-inner shell reinforcement, 119-first fold, 110-second fold, 12-receiving inner shell cavity, 13-outer shell member, 131-outer cooling area, 132-outer cooling opening, 133-shutter, 134-first outer shell wall, 135-second outer shell wall, 136-first outer side wall, 137-second outer side wall, 14-gap cavity, 141-first guide cavity, 142-second guide cavity, 15-shell top, 151-top cover seal, 152-top cover side seal, 16-gap space, 17-shell base, 171-fixed base body, 172-support beam, 173-base body cavity, 18-shell retainer, 19-inner support member, 191-inner support member, 192-inner support member, 10-outer support member, 101-outer support member, 102-outer support member, 2-outer support member, and 2-pressure-variable-pressure load bearing member.

The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the following detailed description of the embodiments of the present application will be given with reference to the accompanying drawings.

When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the application as detailed in the accompanying claims.

In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present application, unless otherwise indicated, "a plurality" means two or more. "and/or" describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate that there are three cases of a alone, a and B together, and B alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The application provides an air conditioner, which comprises an air conditioner outdoor unit. The air conditioner outdoor unit comprises a shell and a transformation device, wherein the shell is internally provided with a fan cavity and an electric cavity, and the transformation device is installed and fixed in the electric cavity.

In this embodiment, as shown in fig. 1, the present application provides a transformer device, which includes a protective housing 1 and a transformer component 2, wherein the transformer component 2 includes a transformer element and an electric control element, the transformer element is electrically connected with the electric control element through a conductive wire, and can be set and adjusted according to the design requirement, for example, a plurality of transformer elements can be connected in series-parallel and combined with the electric control element for regulation, so that 575V can be converted into 460V, and the purpose of converting 575V into 460V of the input voltage of the transformer device can be achieved. Further, the voltage transformation component 2 is installed and fixed in the accommodating inner shell cavity 12 of the protective shell 1.

Since the transformer element releases a large amount of heat in the inner housing cavity 12 during the working process, in order to avoid a large amount of heat being stagnated in the inner housing cavity 12 and to make the temperature of the inner housing cavity 12 too high, thereby affecting the working states of the transformer element and the electric control element, the existing solution is to use the heat dissipation holes to discharge a large amount of heat in the inner housing cavity 12 out of the protective housing 1, so as to ensure that the inner housing cavity 12 is in a relatively stable temperature range, thereby ensuring that the transformer element and the electric control element are in a better working state. In general, the transformer will be placed in the external environment, and the rainwater in the external environment will drop to the protective housing 1 of the transformer, however, part of the rainwater will drop into the inner housing cavity 12 through the heat dissipation holes under the driving of flowing air, especially, in the weather condition of strong wind or heavy rain, more rainwater will enter into the inner housing cavity 12, which easily causes the problem of short circuit of the transformer 2.

In view of the above-mentioned problems, the inventor provides a protective housing 1, specifically referring to fig. 2 and 8, the protective housing 1 includes an inner housing member 11 and an outer housing member 13, the inner housing member 11 encloses a housing inner housing cavity 12, and the inner housing member 11 has an inner ventilation area 111. The outer housing member 13 has an outer heat dissipation area 131, the outer housing member 13 is sleeved outside the inner housing member 11, and a gap cavity 14 is formed between the outer housing member 13 and the inner housing member 11, and the inner housing member 11 is used for blocking suspended particulate matters so that the suspended particulate matters are retained in the gap cavity 14. It should be noted that suspended particulate matter is understood herein to be small water droplets, dust suspended in the air, mist water formed by the dust adhering to the small water droplets in the air, and some fine dust.

So set up, after part suspended particles pass through inner ventilation area 111 under stronger flowing air's effect will enter into clearance cavity 14 between shell member 13 and the inner shell member 11, receive the separation of inner shell member 11, suspended particles especially drop to the bottom of clearance cavity 14 and assemble and accomodate in clearance cavity 14 under the effect of gravity, and can not pass outer heat dissipation area 131 and enter into the holding inner shell chamber 12 along with flowing air, avoid holding the problem that the pressure changing part 2 in the inner shell chamber 12 takes place the short circuit effectively. The flowing air sequentially accommodates the inner shell cavity 12, the inner ventilation area 111 and the outer heat dissipation area 131 and is output to the outside of the outer shell member 13, and the flowing air also carries a large amount of heat to be output to the outside of the outer shell member 13 in the flowing process, so that the heat dissipation effect is achieved, and the temperature in the inner shell cavity 12 can be ensured to be in a relatively stable temperature range, so that the transformer element and the electric control element are ensured to be in a better working state.

In this embodiment, as shown in fig. 5 to 9, the inner housing member 11 has a first inner housing wall 112, a second inner housing wall 113, a first inner housing wall 114 and a second inner housing wall 115, wherein the first inner housing wall 112 and the second inner housing wall 113 are relatively distributed, the first inner housing wall 114 and the second inner housing wall 115 are relatively distributed, two opposite sides of the first inner housing wall 112 are respectively connected with the first inner housing wall 114 and the second inner housing wall 115, and two opposite sides of the second inner housing wall 113 are respectively connected with the first inner housing wall 114 and the second inner housing wall 115, wherein the connection is optionally integrally formed, or alternatively, a clamping connection, or alternatively, an abutting connection, or alternatively, a bolt connection, or alternatively, a welding connection.

For example, as shown in fig. 9, in order to ensure the convenience and efficiency of manufacturing the inner housing member 11 and to ensure good structural strength of the inner housing member 11, the first inner sidewall 114 and the second inner housing wall 113 are formed by bending, the second inner sidewall 115 and the second inner housing wall 113 are formed by bending, and the first inner sidewall 114, the second inner sidewall 115 and the second inner housing wall 113 are formed into a U-shaped structure. As shown in fig. 5, 6 and 7, the first inner shell wall 112 is configured to be bent and formed with a first bending portion 119 near one side of the first inner wall 114, the second inner shell wall 113 is configured to be bent and formed with a second bending portion 110 near one side of the second inner wall 115, and the first inner shell wall 112 can be clamped and spliced with the u-shaped structure by the cooperation between the first bending portion 119 and the second bending portion 110, and the first inner shell wall 112, the second inner shell wall 113, the first inner wall 114 and the second inner wall 115 of the inner shell member 11 are enclosed to form the accommodating inner shell cavity 12.

In this embodiment, as shown in fig. 5 and 6 specifically, the outer housing member 13 includes a first outer housing wall 134, a second outer housing wall 135, a first outer side wall 136 and a second outer side wall 137, where the first outer housing wall 134 and the second outer housing wall 135 are distributed relatively, the first outer side wall 136 and the second outer side wall 137 are distributed relatively, two opposite sides of the first outer housing wall 134 are connected to the first outer side wall 136 and the second outer side wall 137 respectively, and two opposite sides of the second outer housing wall 135 are connected to the first outer side wall 136 and the second outer side wall 137 respectively, and the connection is formed integrally, or is a clamping connection, or is an abutting connection, or is a bolt connection, or is a welding connection.

For example, as shown in fig. 5 and 6, to ensure the convenience and high efficiency of manufacturing the outer housing member 13 and to ensure the good structural strength of the outer housing member 13, the first outer sidewall 136 and the second outer sidewall 135 are formed by bending, the second outer sidewall 137 and the second outer sidewall 135 are formed by bending, and the first outer sidewall 136, the second outer sidewall 137 and the second outer sidewall 135 are formed into a u-shaped structure, and two opposite sides of the first outer sidewall 134 are respectively abutted against the first outer sidewall 136 and the second outer sidewall 137, so that the first outer sidewall 134 can be fixedly connected with the u-shaped structure.

In the installation process, after the transformer component 2 is placed in the inner housing cavity 12, the first inner housing wall 112 is clamped and spliced to form a U-shaped structure formed by the first inner housing wall 114, the second inner housing wall 115 and the second inner housing wall 113, then the U-shaped structure formed by the first outer housing wall 136, the second outer housing wall 137 and the second outer housing wall 135 is sleeved on the inner housing member 11, and finally the abutting reinforcement of the first outer housing wall 134 is completed. The reinforcement here may be a bolted connection or alternatively a welded connection. It should be noted that the above-mentioned installation steps are only referred to for convenience of the structure and connection relation of the transformer device and the protective housing 1, but are not limited to the above-mentioned installation steps, and can be modified according to the assembly requirements and design requirements.

In some embodiments, as shown in detail with reference to fig. 3 to 8, at least one of the inner housing member 11 and the outer housing member 13 is provided with a supporting member protruding from and abutting one of the inner housing member 11 and the outer housing member 13 toward the other to partition the gap cavity 14 to form a first diversion cavity 141 and a second diversion cavity 142.

As a preferable mode of this embodiment, specifically, as shown in fig. 9, the support member includes an inner support member 19 provided on the inner housing member 11, the inner support member 19 is formed protruding from the inner housing member 11 toward the outer housing member 13, and the inner support member 19 is provided extending in the circumferential direction of the inner housing member 11. It will be appreciated that the inner support member 19 is provided on a part of the outer peripheral side surface of the inner housing member 11, for example, the inner support member 19 is provided on the first inner side wall 114, the second inner side wall 115 and the second inner housing wall 113. Or the inner support members 19 are uniformly disposed on the outer peripheral side surface of the inner housing member 11, that is, the first inner side wall 114, the second inner side wall 115, the first inner housing wall 112, and the second inner housing wall 113 are provided with the inner support members 19.

Preferably, as shown in fig. 9, the inner support member 19 has a u-shaped structure, that is, the inner support member 19 includes an inner stress portion 191 and inner support portions 192 disposed on opposite sides of the inner stress portion 191, and the inner stress portion 191 is fixedly connected to the inner support portions 192, where the fixed connection is welded connection or integrally formed. By the arrangement, the weight of the inner supporting member 19 is greatly reduced, and the structure is simple, thereby being convenient for production and manufacture. To secure the structural strength of the inner support member 19, an inner reinforcing rib is provided between the inner stress portion 191 and the inner support portion 192.

It should be noted that, the inner stress portion 191 of the inner supporting member 19 is preferably integrally formed with the inner housing member 11, which not only ensures the comprehensive performance of the connection portion between the inner housing member 11 and the inner supporting member 19, but also can be used as a reinforcing rib of the inner housing member 11 as a whole, thereby improving the structural strength of the inner housing member 11 as a whole, and reducing or even avoiding deformation of the inner housing member 11 during long-term use.

In addition, as shown in fig. 4, under the action of the inner supporting member 19, the outer housing member 13 is sleeved outside the inner housing member 11 to form the clearance cavity 14 by itself, so that the assembly process is simplified, the assembly difficulty is reduced, and the assembly efficiency is effectively improved. Meanwhile, as shown in fig. 8, when the inner housing member 11 and the outer housing member 13 are assembled, the outer housing member 13 abuts against the inner stress portion 191 on the inner support member 19, so that the assembly of the protective housing 1 is more compact.

In addition to the above-described preferred manner in which the inner support member 19 is integrally formed with the inner housing member 11, the inner support portion 192 of the inner support member 19 is bolted to the inner housing member 11, or the inner support portion 192 of the inner support member 19 is welded to the inner housing member 11, or the inner support portion 192 of the inner support member 19 is snap-fitted to the inner housing member 11.

As another preferable mode of the present embodiment, specifically, as shown in fig. 10, the support member includes an outer support member 10 provided on an outer case member 13, the outer support member 10 is formed protruding from the outer case member 13 toward an inner case member 11, and the outer support member 10 is provided extending in a circumferential direction of the outer case member 13. It will be appreciated that the outer support member 10 is provided on a portion of the peripheral side of the outer housing member 13, for example, the outer support member 10 is provided on the first inner housing wall 112. Or the outer support members 10 are uniformly disposed on the inner peripheral side surface of the outer case member 13, that is, the first outer side wall 136, the second outer side wall 137, the first outer case wall 134, and the second outer case wall 135 are provided with the outer support members 10.

Preferably, as shown in fig. 10, the outer support member 10 has a u-shaped structure, that is, the outer support member 10 includes an outer stress portion 101 and outer support portions 102 disposed on opposite sides of the outer stress portion 101, the outer stress portion 101 is fixedly connected to the outer support portions 102, and the fixed connection is welded connection or integrally formed. By the arrangement, the weight of the outer supporting member 10 is greatly reduced, and the structure is simple, thereby being convenient for production and manufacture. To secure the structural strength of the outer support member 10, an outer reinforcing rib is provided between the outer stress portion 101 and the outer support portion 102.

It should be noted that, the outer stress portion 101 of the outer support member 10 is preferably integrally formed with the outer housing member 13, which not only ensures the comprehensive performance of the connection portion between the outer housing member 13 and the outer support member 10, but also can be used as a reinforcing rib of the outer housing member 13 as a whole, thereby improving the structural strength of the outer housing member 13 as a whole and reducing or even avoiding deformation of the outer housing member 13 during long-term use.

In addition, as shown in fig. 4, under the action of the outer support member 10, the outer housing member 13 is sleeved outside the inner housing member 11 to form the clearance cavity 14 by itself, so that the assembly process is simplified, the assembly difficulty is reduced, and the assembly efficiency is effectively improved. Meanwhile, as shown in fig. 8, when the inner housing member 11 and the outer housing member 13 are assembled, the inner housing member 11 abuts against and is attached to the outer stress portion 101 on the outer support member 10, so that the assembly of the protective housing 1 is more compact.

In addition to the above-described preferred manner in which the outer support member 10 is integrally formed with the outer case member 13, the outer support portion 102 of the outer support member 10 is bolted to the outer case member 13, or the outer support portion 102 of the outer support member 10 is welded to the outer case member 13, or the outer support portion 102 of the outer support member 10 is snap-fitted to the outer case member 13.

Preferably, as shown in detail with reference to fig. 5 to 9, the end of the inner housing member 11 that is far from the transformer component 2 is defined as the top of the inner housing member 11, and the end of the inner housing member 11 that is near to the transformer component 2 is defined as the bottom of the inner housing member 11. The protective housing 1 still includes the casing top cap 15 that is used for sealed holding inner shell chamber 12, and the top of inner shell member 11 is located to casing top cap 15 lid, then little drop of water drops on casing top cap 15, will not fall into the inside of holding inner shell chamber 12, further avoids little drop of water to enter into behind the holding inner shell chamber 12 and leads to the risk that the transformer unit 2 takes place the short circuit, has improved transformer's safety in utilization and stability in use.

It should be noted that the inner support member 19 and the outer support member 10 may be used independently. Referring specifically to fig. 4-8, the inner support member 19 may be used in combination with the outer support member 10.

Further, as shown in detail with reference to fig. 5 to 9, at least one of the inner housing member 11 and the outer housing member 13 is connected to the housing top cover 15. Preferably, the top of the inner housing member 11 is provided with an inner extension 116, the inner extension 116 extending from the inner housing member 11 towards the outer housing member 13, the inner extension 116 being adapted to abut the support housing top cover 15. So set up, under the effect of interior extension 116, increased the area of contact between inner shell member 11 and the casing top cap 15, not only improved the area of force between inner shell member 11 and the casing top cap 15, reduced the wearing and tearing of casing top cap 15, simultaneously, casing top cap 15 still can be with interior extension 116 bolted connection to the connection between casing top cap 15 and the inner shell member 11 has been consolidated, the problem of casing top cap 15 dismantlement inner shell member 11 is avoided.

Of course, in addition to the manner in which the top of the inner housing member 11 is provided with the inner extension 116 described above, the top of the outer housing member 13 is provided with the outer extension that extends from the outer housing member 13 toward the inner housing member 11 for abutting against the support housing top cover 15, and the top of the outer housing member 13 is the end of the outer housing member 13 for approaching the housing top cover 15. In this way, under the action of the outer extension portion, the contact area between the outer housing member 13 and the housing top cover 15 is increased, so that the stress area between the outer housing member 13 and the housing top cover 15 is increased, and the abrasion of the housing top cover 15 can be reduced. At the same time, the housing top cover 15 can also be bolted to the outer extension, so that the mounting connection of the housing top cover 15 can be reinforced.

It should be noted that, the manner in which the inner extension 116 is provided at the top of the inner housing member 11 and the manner in which the outer extension is provided at the top of the outer housing member 13 may be used independently, or the inner extension 116 and the outer extension may be used in combination.

Specifically, referring to fig. 4 to 8, the housing top cover 15 includes a top cover sealing portion 151 and a top cover side sealing portion 152, the top cover side sealing portion 152 extends from the top cover sealing portion 151 toward the bottom side of the inner housing member 11, the top cover side sealing portion 152 is located outside the outer housing member 13, the top cover side sealing portion 152 is fixedly connected to the top cover sealing portion 151, and the inner housing member 11 and/or the outer housing member 13 are detachably connected to the top cover sealing portion 151. The fixed connection is preferably formed in one piece, but is also optionally a welded connection.

Preferably, as shown in detail with reference to fig. 4 to 8, the top cover sealing portion 151 is vertically connected to the top cover side sealing portion 152, so that an assembly gap between the housing top cover 15 and the outer housing member 13 is smaller, and the assembly compactness of the protective housing 1 is achieved. Of course, the top cover side sealing portion 152 may also be connected to the top cover sealing portion 151 in an inclined manner toward a side far away from the outer housing member 13, that is, an included angle is formed between the top cover side sealing portion 152 and the outer housing member 13, so that the shielding range of the housing top cover 15 is larger, and the shielding effect of the housing top cover 15 is improved.

As a preferred mode of this embodiment, as shown in fig. 4, a space 16 is formed between the top cover side seal 152 and the outer case member 13. On the one hand, the shielding range of the shell top cover 15 is further enlarged, friction resistance caused by direct contact between the inner side surface of the shell top cover 15 and the outer shell member 13 is avoided, and convenience of the shell top cover 15 in the covering process is ensured. On the other hand, the external flowing air can flow through the space 16, then pass through the outer heat dissipation area 131, the clearance cavity 14 and the inner ventilation area 111, and finally flow into the inner shell accommodating cavity 12, so as to effectively dissipate heat of the transformer component 2.

Preferably, as shown in fig. 8, the inner extension 116 can abut against the top cover sealing portion 151, thereby achieving a quick positioning of the housing top cover 15 during the cover setting to the inner housing member 11, and the inner extension 116 extends out of the outer housing member 13, so that the above-mentioned spacing space 16 will be automatically and precisely formed after the housing top cover 15 is engaged with the inner housing member 11. Of course, the outer extension extends away from the inner housing member 11 beyond the outer housing member 13, so that the housing top cover 15 will automatically and precisely form the above-mentioned spacing space 16 after being engaged with the inner housing member 11.

As a further preferred mode of this embodiment, specifically as shown in fig. 8, in the direction perpendicular to the outer side surface of the outer housing member 13, the top cover side seal 152 covers at least part of the outer heat dissipation area 131, so as to prevent part of the suspended particles from entering the gap cavity 14 after passing through the outer heat dissipation area 131, thereby further avoiding the suspended particles from entering the inner housing cavity 12. Therefore, the top cover side seal 152 of the top cover 15 of the housing is matched with the clearance cavity 14, so as to achieve the effect of double protection.

Further, as shown in fig. 8, the outer heat dissipation area 131 and the inner ventilation area 111 are offset, and the inner ventilation area 111 is located at a side close to the top cover sealing portion 151 and the outer heat dissipation area 131 is located at a side far from the top cover sealing portion 151 in a direction perpendicular to the outer side surface of the outer case member 13. It will be appreciated that the inner ventilation area 111 preferably does not overlap the outer heat dissipation area 131 in a direction perpendicular to the outer side of the outer housing member 13, and that the inner ventilation area 111 may also optionally overlap the outer heat dissipation area 131 partially.

By means of the arrangement, suspended particles entering the clearance cavity 14 can be effectively prevented from being blocked by the inner shell component 11, so that the suspended particles are further prevented from entering the accommodating inner shell cavity 12 to influence the working state and the use stability of the transformer component 2, and the risk that the transformer component 2 is invalid due to the suspended particles entering the accommodating inner shell cavity 12 is avoided. Through multiple tests, the outer heat dissipation area 131 and the inner ventilation area 111 are arranged in a staggered mode and combined with the top cover side sealing part 152 and the gap cavity 14 of the top cover 15 of the shell, so that suspended particles can be effectively prevented from entering the inner shell accommodating cavity 12, and the best protection effect is achieved.

As a preferred mode of this embodiment, referring to fig. 1 to 4, the protective housing 1 further includes a housing base 17, the housing base 17 is disposed at the bottom of the inner housing member 11, and at least one of the inner housing member 11 and the outer housing member 13 is fixedly connected with the housing base 17. The fixed connection is selected from bolt connection, welding connection and clamping connection. In this way, the housing base 17, the housing top cover 15, and the inner housing member 11 cooperate with each other so that the housing inner housing chamber 12 is formed as a relatively closed space. Meanwhile, the transformation component 2 is fixedly arranged on the base 17 of the shell, so that the transportation of the transformation device is facilitated.

Further, as shown in fig. 4, the housing base 17 includes a fixed base body 171 and a support beam portion 172, a base body cavity 173 is provided in the fixed base body 171, the support beam portion 172 is embedded in and fixed to the inside of the base body cavity 173, and in a first direction, the support beam portion 172 is located in a coverage area of the inner housing cavity 12, and the first direction is a front projection direction from a side close to the housing top cover 15 to a side close to the housing base 17. It should be noted that the number of the support beam portions 172 may be selected to be one, and in the first direction, one support beam portion 172 is preferably located at the middle portion where the inner housing chamber 12 is accommodated. The number of the support beam portions 172 may also be plural.

So set up, under the effect of supporting beam portion 172, can guarantee the structural strength of casing base 17 effectively to can guarantee better that this transformer can not take place deformation at the in-process casing base 17 of transport, and then avoid the containment to take place dislocation and lead to the poor problem of contact in the pressure change part 2 in the inner shell chamber 12, improve transformer's stability in use.

In order to facilitate the assembly of the protective housing 1, the assembly efficiency of the protective housing 1 is improved. The inventor has provided a preferred way, specifically please refer to fig. 6 to 9, wherein one of the inner housing member 11 and the outer housing member 13 is provided with a housing stopper 18, the housing stopper 18 extends towards the first direction, the housing stopper 18 is located at the outer side of the fixing base body 171, and the housing stopper 18 abuts against the side wall of the fixing base body 171.

It should be further noted that, in order to ensure that the inner housing member 11 and the outer housing member 13 can be firmly fixed to the fixing base body 171 of the housing base 17, as shown in fig. 9, specifically, the inner housing member 11 is provided with an inner housing reinforcement portion 118, the inner housing reinforcement portion 118 is vertically connected to the inner housing member 11, and the inner housing reinforcement portion 118 is disposed to extend toward a side away from the housing inner housing chamber 12. As shown in fig. 5 and 6, when the inner housing member 11 and the outer housing member 13 are mounted and fixed on the housing base 17, the inner housing reinforcement portion 118 is abutted against the fixing base 171, and the contact area between the inner housing member 11 and the housing base 17 is increased under the action of the inner housing reinforcement portion 118, so that the inner housing member 11 and the outer housing member 13 can be stably mounted on the housing base 17.

And/or be provided with shell reinforcement on the shell body member 13, shell reinforcement is perpendicular to shell body member 13 to shell reinforcement extends towards the one side that keeps away from holding inner shell chamber 12 and sets up, and under shell reinforcement's effect, the area of contact between shell body member 13 and shell base 17 increases, also can guarantee that inner shell body member 11 and shell body member 13 both can install on shell base 17 firmly.

The above protective shell 1 can effectively avoid suspended particles from entering the accommodating inner shell cavity 12, and prevent the suspended particles from affecting the working state of the voltage transformation component 2. Since the existing heat dissipation holes generally discharge the heat contained in the inner housing chamber 12 to the outside of the protective housing 1. That is, relatively cool air outside the protective housing 1 enters into the accommodating inner housing chamber 12 through the heat radiation holes, and a large amount of hot air filled in the accommodating inner housing chamber 12 is released to the outside of the protective housing 1 through the heat radiation holes.

However, the existing heat dissipation holes are directly opened in the protective case 1, and air flow is not easily formed, which affects the heat dissipation capability of air. The transformer 2 and the air around the transformer 2 still have more heat, and a large amount of heat released by the transformer 2 needs to be released to the inner housing 12 and then discharged through the heat dissipation holes. Such a heat dissipation method requires that a large amount of heat released from the variable-pressure member 2 be slowly diffused, and the heat dissipation efficiency is low. And if not timely discharging a large amount of heat, the operating state of the variable-voltage part 2 will be greatly affected.

In view of the above problems, the inventor also discloses a preferred manner, as shown in fig. 8, the above-mentioned gap cavity 14 includes a first diversion cavity 141 and a second diversion cavity 142 which are relatively independent, the first diversion cavity 141 is close to the top of the inner shell member 11, the second diversion cavity 142 is close to the bottom of the inner shell member 11, and the first diversion cavity 141 and the second diversion cavity 142 are both communicated with the inner shell cavity 12 through the inner ventilation area 111, so that the flowing air is guided to flow from the second diversion cavity 142 to the first diversion cavity 141. So arranged, the flowing air outside the protective housing 1 can enter the second flow guiding chamber 142 from the outer heat dissipating region 131 and flow towards the top close to the inner housing member 11 under the flow guiding action of the second flow guiding chamber 142 until the flowing air flows through the inner ventilation region 111 into the accommodating inner housing chamber 12. At this time, the flowing air will flow through the side of the varying member near the top of the inner housing member 11, and will be able to carry a lot of heat released by the varying member and flow toward the first guide chamber 141 during the flow through the varying member, and when the flowing air flows toward near the outer heat dissipation region 131 under the guide action of the first guide chamber 141, the flowing air finally flows through the outer heat dissipation region 131 to be outputted to the outside of the inner housing member 11.

In summary, as shown in fig. 4, the flowing air is less resistant by the variable-pressure component 2, so that the smoothness of the flowing air is ensured and improved, a large amount of heat energy released by the variable-pressure component 2 is rapidly discharged to the outside of the protective shell 1, and the heat dissipation efficiency of the variable-pressure component 2 is improved, so that the variable-pressure component 2 is very effectively ensured to be in an optimal use state.

It should be noted that, referring to fig. 5 to 10 specifically, a plurality of inner ventilation openings 117 are uniformly disposed in the inner ventilation area 111, a plurality of outer heat dissipation openings 132 are disposed in the outer heat dissipation area 131, and a plurality of outer heat dissipation openings 132 are preferably uniformly disposed.

The unexpected effect is that the offset placement of the outer heat sink region 131 from the inner vent region 111 will enable the directional flow of the aforementioned flowing air within the first flow directing chamber 141 and within the second flow directing chamber 142. Meanwhile, the top cover side sealing part 152 of the top cover 15 of the shell body at least covers part of the outer heat dissipation area 131 in the direction perpendicular to the outer side surface of the outer shell body member 13, so that most or even all flowing air can be prevented from flowing into the first diversion cavity 141, the flowing air in the inner shell cavity 12 is well ensured to flow from the second diversion cavity 142 to the first diversion cavity 141, effective convection is formed, and finally, the flowing air carrying a large amount of heat is ensured to be discharged from the first diversion cavity 141, and the heat dissipation efficiency of the voltage transformation component 2 is further improved.

As a preferred solution of this embodiment, as shown in fig. 4, the inner support member 19 is preferably located at the middle part of the outer housing member 13 in a direction perpendicular to the outer side surface of the outer housing member 13, and at this time, the gap cavity 14 is separated by the inner support member 19 to form the first diversion cavity 141 and the second diversion cavity 142, so that when flowing air flows to the inner support member 19, the flowing air will be blocked by the inner support member 19, so that the flowing air cannot flow between the first diversion cavity 141 and the second diversion cavity 142, and the purpose of relatively independent arrangement between the first diversion cavity 141 and the second diversion cavity 142 is achieved. At the same time, as shown in fig. 8, it is also possible to better direct the flowing air through the inner ventilation zone 111 and into the inner housing cavity 12 and/or to better direct the flowing air through the outer heat dissipation zone 131 and into the inner housing cavity 12.

As a preferred solution of this embodiment, specifically as shown in fig. 4, the outer support member 10 is preferably located at the middle part of the outer housing member 13 in the direction perpendicular to the outer side surface of the outer housing member 13, at this time, the gap cavity 14 is separated by the outer support member 10 to form the first diversion cavity 141 and the second diversion cavity 142, and when flowing air flows to the outer support member 10, the flowing air will be blocked by the outer support member 10, so that the flowing air cannot flow between the first diversion cavity 141 and the second diversion cavity 142, and the purpose of relatively independent arrangement between the first diversion cavity 141 and the second diversion cavity 142 can also be achieved. At the same time, as shown in fig. 8, it is also possible to better guide the flowing air through the inner ventilation zone 111 and into the inner housing cavity 12 and/or to better guide the flowing air through the outer heat dissipation zone 131 and into the inner housing cavity 12.

It should be noted that one of the inner support member 19 and the outer support member 10 may be used to form the first and second relatively independent flow directing chambers 141 and 142, and the inner support member 19 and the outer support member 10 may be used to cooperate to form the first and second relatively independent flow directing chambers 141 and 142.

As a further preferred solution of this embodiment, as shown in fig. 4 and 5, at least a part of the edges of the outer heat dissipation openings 132 are provided with louvers 133, and the louvers 133 are disposed inside the gap cavity 14, so that the flowing air outside the protective housing 1 changes in flow direction under the action of the louvers 133, so as to better guide the flowing air to flow along the gap cavity 14. Specifically, as shown in fig. 10, a plurality of external heat dissipation ports 132 are arranged in an array along the first direction, and a louver plate 133 is provided at the external heat dissipation port 132 near the side of the housing top cover 15. As shown in fig. 8, the shutter 133 extends toward the side of the housing base 17, wherein the shutter 133 may be a flat plate structure, or an arc plate structure.

The foregoing is an explanation of the protective housing 1 provided in the embodiment of the present application, and since the transformer device provided in the embodiment of the present application adopts all the technical solutions of all the embodiments, at least the beneficial effects brought by the technical solutions of the embodiments are not described in detail herein.

In the description of the present application, it should be understood that, if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not intended to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and are not to be construed as limiting the present application, and that the specific meaning of the terms described above should be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims (12)

1. A protective housing, comprising:

An inner housing member surrounding an inner housing chamber, the inner housing member having an inner ventilation area thereon;

The outer shell member is provided with an outer heat dissipation area, the outer shell member is sleeved on the outer side of the inner shell member, a gap cavity is formed between the outer shell member and the inner shell member at intervals, the gap cavity comprises a first diversion cavity and a second diversion cavity which are independent relatively, the first diversion cavity is close to the top of the inner shell member, the second diversion cavity is close to the bottom of the inner shell member, and the first diversion cavity and the second diversion cavity are communicated with the inner shell cavity through the inner ventilation area, so that flowing air is guided to flow from the second diversion cavity to the first diversion cavity.

2. The protective housing of claim 1, wherein at least one of the inner housing member and the outer housing member is provided with a support member projecting from one of the inner housing member and the outer housing member toward the other and abutting to separate the interstitial cavity to form the first and second flow directing cavities.

3. The protective housing of claim 2, wherein the support member is a U-shaped structure.

4. The protective housing of claim 2, wherein the support member is integrally formed with the inner housing member or the support member is integrally formed with the outer housing member.

5. The protective enclosure of any one of claims 1 to 4, further comprising an enclosure top cover disposed atop said inner enclosure member, at least one of said inner enclosure member and said outer enclosure member being connected to said enclosure top cover, said enclosure top cover for sealing said interior housing cavity.

6. The protective enclosure of claim 5, wherein said enclosure top cover includes a top cover seal and a top cover side seal, said top cover side seal extending from said top cover seal toward a bottom side of said inner enclosure member, said top cover side seal being located outside of said outer enclosure member, said top cover side seal being fixedly connected to said top cover seal, said inner enclosure member and/or said outer enclosure member being removably connected to said top cover seal.

7. The protective enclosure of claim 6, wherein said top cover side seal covers at least a portion of said outer heat dissipation area in a direction perpendicular to an outer side of said outer enclosure member.

8. The protective enclosure of claim 6, wherein said outer heat dissipation area is offset from said inner ventilation area and said inner ventilation area is located on a side proximate said top cover seal and said outer heat dissipation area is located on a side distal from said top cover seal in a direction perpendicular to an outer side of said outer enclosure member.

9. The protective enclosure of any one of claims 1 to 4, wherein a plurality of external heat sinks are provided within the external heat sink region, and wherein at least a portion of the edges of the external heat sinks are provided with louvers disposed within the interstitial cavity.

10. A transformer apparatus, comprising:

the protective case of any one of claims 1 to 9;

The transformation component is fixedly arranged in the accommodating inner shell cavity.

11. An outdoor unit of an air conditioner, comprising a casing and the transformer according to claim 10, wherein the casing is provided with a fan cavity and an electric cavity, and the transformer is fixed in the electric cavity.

12. An air conditioner comprising the air conditioner outdoor unit according to claim 11.