CN211959887U - Protection heat dissipation power equipment - Google Patents
Protection heat dissipation power equipment Download PDFInfo
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- CN211959887U CN211959887U CN202020515022.2U CN202020515022U CN211959887U CN 211959887 U CN211959887 U CN 211959887U CN 202020515022 U CN202020515022 U CN 202020515022U CN 211959887 U CN211959887 U CN 211959887U
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Abstract
The utility model discloses a protection heat dissipation power equipment, the power distribution box comprises a box body, power component and the part of blowing, the box is provided with the vent that holds the chamber and communicate the external world and hold the chamber, power component includes the casing, power unit and radiating part, power component sets up in holding the chamber, the casing is provided with inclosed inner chamber, power unit sets up in the inner chamber, radiating part sets up on the casing, the part of blowing sets up on the box in order to form can be for the radiating air current of radiating part, this design uses air-cooled radiating mode under guarantee power unit protection level, the operation is stable, the cost is lower, occupation space is few.
Description
Technical Field
The utility model relates to an electrical equipment, in particular to protection heat dissipation power equipment.
Background
The power equipment of power electronics such as current high-voltage inverter, reactive power compensator, need carry out the heat dissipation to inside power unit and handle, current radiating mode generally has modes such as water-cooling, air conditioner, but the radiating mode of water-cooling and air conditioner, all need install water-cooling radiator or air conditioner additional, thereby the space size of box, investment cost and fortune dimension cost have been increaseed, it is expensive and fortune dimension cost is high to satisfy the air conditioner cost that uses under the adverse circumstances, especially still need refrigerate in low temperature weather air conditioner and have the energy-conserving theory of high-voltage inverter.
In the past, forced air cooling heat dissipation is adopted, but power equipment installed outdoors is easily affected by moist and high-dust environments, and moisture and dust enter a box body and then easily corrode components of a power unit, so that the service life of the components of the power unit is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a protection heat dissipation power equipment uses forced air cooling's radiating mode under the protection level of guarantee power unit, and the cost is lower, and occupation space is few.
According to the utility model discloses a protection heat dissipation power equipment of first aspect embodiment, include: the box body is provided with a containing cavity and a vent for communicating the outside with the containing cavity; the power assembly comprises a shell, a power unit and a heat dissipation component, the power assembly is arranged in the containing cavity, the shell is provided with a closed inner cavity, the power unit is arranged in the inner cavity, and the heat dissipation component is arranged on the shell; and a blowing member provided on the case so as to form a wind current capable of radiating heat to the heat radiating member.
According to the utility model discloses protection heat dissipation power equipment has following beneficial effect at least:
the utility model discloses power equipment, the casing forms relative inclosed inner chamber, power unit sets up and has better protection in relative inclosed inner chamber, the heat dissipation part sets up on the casing, heat conduction to heat dissipation part that the casing gives off power unit, the part of blowing forms the wind current, thereby take away the heat on the heat dissipation part, for the power unit heat dissipation, and probably because the part of blowing operation and aqueous vapor and the dust that gets into from the vent, can not get into power component's inner chamber, can not cause the harm to power unit, this design uses air-cooled radiating mode under guarantee power unit protection level, the operation is stable, the cost is lower, occupation space is few.
According to the utility model discloses a some embodiments still include the wind channel structure of setting in holding the intracavity, the wind chamber that the wind channel structure formed with the vent intercommunication of box, the part of blowing can be in wind intracavity forms the wind flow and the wind channel structure is used for restricting the wind flow in order to flow through the heat dissipation part.
According to some embodiments of the utility model, the wind channel is provided with first wind channel portion structurally, be provided with the installing port in the first wind channel portion, the heat dissipation part passes the installing port extends to in the wind cavity.
According to some embodiments of the utility model, the wind channel is provided with second wind channel portion structurally, be provided with respectively on the second wind channel portion communicate the wind chamber and the air outlet that holds the chamber, the air outlet orientation in the second wind channel portion the heat dissipation part.
According to some embodiments of the present invention, the blowing part is disposed in the wind chamber or in the chamber communicated with the wind chamber.
According to some embodiments of the invention, the power unit is arranged in the cavity of the housing in a one-to-one correspondence.
According to some embodiments of the utility model, power component has a plurality ofly, the wind channel structure includes first wind channel portion and second wind channel portion, be provided with the installing port in the first wind channel portion, part the heat dissipation part passes the installing port extends to in the wind chamber, be provided with respectively on the second wind channel portion and communicate the wind chamber and the air outlet that holds the chamber, the air outlet on the second wind channel portion is towards part the heat dissipation part.
According to some embodiments of the invention, the heat dissipating component is detachably disposed on the housing.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a front view of the internal structure of one embodiment of the power equipment of the present invention;
fig. 2 is a top view of the internal structure of one embodiment of the power device of the present invention;
fig. 3 is a schematic side airflow diagram of one embodiment of the power device of the present invention.
Reference numerals:
the air duct structure comprises a box body 100, a cavity 110, a vent 120, a power assembly 200, a housing 210, a power unit 220, a heat dissipation component 230, an inner cavity 240, a blowing component 300, an air duct structure 400, a first air duct portion 410, a second air duct portion 420, an air chamber 430, a mounting opening 440 and an air outlet 450.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the orientation description, such as the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-3, the protective heat dissipation power device according to the embodiment of the present invention includes a box 100, a power assembly 200, and a blowing component 300, the box 100 is provided with a vent 120 that accommodates the cavity 110 and communicates with the outside and the cavity 110, the power assembly 200 includes a housing 210, a power unit 220, and a heat dissipation component 230, the power assembly 200 is disposed in the cavity 110, the housing 210 is provided with a closed inner cavity 240, the power unit 220 is disposed in the inner cavity 240, the heat dissipation component 230 is disposed on the housing 210, and the blowing component 300 is disposed on the box 100 so as to be able to form a wind flow that can dissipate heat for the heat dissipation component 230.
Wherein, power unit 220 can include the IGBT component, the copper bar component, electric capacity component etc. all can set up in inner chamber 240, and accessible electric conductor extends to in the appearance chamber 110 of box 100, heat dissipation part 230 can be radiating fin, it needs to explain, inner chamber 240 is in relative airtight state, casing 210 may set up when enclosing and may have some clearances when a small amount of through-holes or electric conductor extend to the external world, here is little to the effect influence that prevents aqueous vapor, dust entering inner chamber 240, also belong to the scope of this scheme protection.
The utility model discloses power equipment, casing 210 forms relative inclosed inner chamber 240, power unit 220 sets up and has better protection in relative inclosed inner chamber 240, heat dissipation part 230 sets up on casing 210, heat conduction to heat dissipation part 230 that casing 210 gives off power unit 220, the part 300 of blowing forms the wind current, thereby take away the heat on the heat dissipation part 230, dispel the heat for power unit 220, and probably because the part 300 of blowing moves and aqueous vapor and the dust that gets into from vent 120, can not get into in the inner chamber 240 of power component 200, can not cause the harm to power unit 220, this design uses air-cooled heat dissipation mode under the guarantee power unit 220 protection level, the operation is stable, the cost is lower, occupation space is few.
Some embodiments of the present invention, as shown in fig. 2 and fig. 3, the power unit 220 may be a full-bridge power unit 220 or a half-bridge power unit 220 formed by an IGBT element and a capacitor element, the power unit 220 is disposed in the cavity 110 of the housing 210 in a one-to-one manner, the heat dissipation component 230 on one housing 210 and the housing 210 concentrates on dissipating heat from one power unit 220, thereby improving heat dissipation efficiency, and the housing 100 may be provided with a plurality of power components 200, when being applied to three-phase power transmission, six groups of power modules may be provided, and each power module includes a plurality of power components 200 therein.
In some embodiments of the present invention, in order to improve the heat dissipation efficiency, the heat dissipation device further includes an air duct structure 400 disposed in the accommodating cavity 110, an air chamber 430 formed by the air duct structure 400 is communicated with the ventilation opening 120 of the box body 100, the blowing part 300 can form an air flow in the air chamber 430 and the air duct structure 400 is used for limiting the air flow to flow through the heat dissipation part 230.
There are various embodiments of the air duct structure 400, for example, a first air duct portion 410 is provided on the air duct structure 400, a mounting opening 440 is provided on the first air duct portion 410, and the heat dissipation member 230 extends into the air cavity 430 through the mounting opening 440.
Or, the air duct structure 400 is provided with a second air duct portion 420, the second air duct portion 420 is provided with an air outlet 450 respectively communicating the air cavity 430 and the cavity 110, and the air outlet 450 of the second air duct portion 420 faces the heat dissipation component 230.
Each of the above first air channel portion 410 and the second air channel portion 420 may be a plate member enclosing to form the air cavity 430.
According to different situations, the position of the blowing component 300 may also be different, the blowing component 300 is disposed in the air cavity 430 or in the cavity 110 communicated with the air cavity 430, the blowing component 300 may be a cross-flow fan, an exhaust fan, etc., and disposed in the air cavity 430 or in the cavity 110 communicated with the air cavity 430, may form an air flow in the air cavity 430, so as to blow the heat dissipation component 230 disposed in the air cavity 430 or the heat dissipation component 230 disposed at the air outlet 450 of the second air duct portion 420, and the box 100 may further be provided with an air outlet, and the air flow is finally exhausted from the air outlet of the box 100.
In some embodiments of the present invention, as shown in fig. 3, the power module 200 has a plurality of air duct structures 400, the air duct structure 400 may have both the first air duct portion 410 and the second air duct portion 420, the first air duct portion 410 is provided with the mounting opening 440, a portion of the heat dissipation component 230 passes through the mounting opening 440 and extends to the air cavity 430, the second air duct portion 420 is provided with the air outlet 450 respectively communicating the air cavity 430 and the accommodating cavity 110, and the air outlet 450 of the second air duct portion 420 faces the portion of the heat dissipation component 230.
Specifically, the air duct structure 400 is an air supply duct enclosed by the housing, the first air duct portion 410 and the second air duct portion 420 are parts of the air supply duct, and the air flow enters the air cavity 430 from the ventilation opening 120, flows through the heat dissipation member 230 extending into the air cavity 430 from the mounting opening 440, and finally flows out of the air cavity 430 and blows toward the heat dissipation member 230 disposed at the air outlet 450.
The utility model discloses an in some embodiments, heat dissipation part 230 detachably sets up on casing 210, and heat dissipation part 230 can be connected with casing 210 through modes such as couple, screw, buckle to can dismantle heat dissipation part 230 fast and wash, in order to avoid laying dust and influence the radiating effect.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A protective heat dissipating power device, comprising:
the box body is provided with a containing cavity and a vent for communicating the outside with the containing cavity;
the power assembly comprises a shell, a power unit and a heat dissipation component, the power assembly is arranged in the containing cavity, the shell is provided with a closed inner cavity, the power unit is arranged in the inner cavity, and the heat dissipation component is arranged on the shell;
and a blowing member provided on the case so as to form a wind current capable of radiating heat to the heat radiating member.
2. A protective heat sink power device according to claim 1, wherein: the wind-blowing type heat dissipation device is characterized by further comprising a wind channel structure arranged in the containing cavity, a wind cavity formed by the wind channel structure is communicated with a ventilation opening of the box body, wind flow can be formed in the wind cavity by the wind-blowing component, and the wind channel structure is used for limiting the wind flow to flow through the heat dissipation component.
3. A protective heat sink power device according to claim 2, wherein: the air duct structure is provided with a first air duct portion, the first air duct portion is provided with an installation opening, and the heat dissipation component penetrates through the installation opening and extends into the air cavity.
4. A protective heat sink power device according to claim 2, wherein: the air duct structure is provided with a second air duct portion, the second air duct portion is provided with air outlets which are respectively communicated with the air cavity and the accommodating cavity, and the air outlets on the second air duct portion face the heat dissipation component.
5. A protective heat sink power device according to claim 2, wherein: the blowing component is arranged in the air cavity or in the cavity communicated with the air cavity.
6. A protective heat sink power device according to claim 2, wherein: the power units are arranged in the accommodating cavities of the shell in a one-to-one correspondence mode.
7. A protective heat sink power device according to claim 2, wherein: the power assembly is provided with a plurality of power assemblies, the air channel structure comprises a first air channel part and a second air channel part, a mounting opening is formed in the first air channel part, part of the heat dissipation part penetrates through the mounting opening and extends into the air cavity, air outlets respectively communicated with the air cavity and the accommodating cavity are formed in the second air channel part, and the air outlets in the second air channel part face the part of the heat dissipation part.
8. A protective heat sink power device according to claim 1, wherein: the heat dissipation component is detachably arranged on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020515022.2U CN211959887U (en) | 2020-04-09 | 2020-04-09 | Protection heat dissipation power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020515022.2U CN211959887U (en) | 2020-04-09 | 2020-04-09 | Protection heat dissipation power equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211959887U true CN211959887U (en) | 2020-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020515022.2U Active CN211959887U (en) | 2020-04-09 | 2020-04-09 | Protection heat dissipation power equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211959887U (en) |
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2020
- 2020-04-09 CN CN202020515022.2U patent/CN211959887U/en active Active
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