CN219937675U - Frame structure converter and control cabinet using same - Google Patents
Frame structure converter and control cabinet using same Download PDFInfo
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- CN219937675U CN219937675U CN202321293786.1U CN202321293786U CN219937675U CN 219937675 U CN219937675 U CN 219937675U CN 202321293786 U CN202321293786 U CN 202321293786U CN 219937675 U CN219937675 U CN 219937675U
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- radiator
- frame
- frame structure
- converter according
- structure converter
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- 238000009434 installation Methods 0.000 claims description 13
- 239000004065 semiconductor Substances 0.000 claims description 12
- 238000004146 energy storage Methods 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Dc-Dc Converters (AREA)
Abstract
The utility model discloses a frame structure converter and a control cabinet applying the same, and belongs to the technical field of converters. The frame structure takes the supporting plate as a main supporting part, is tightly connected with the radiator through large-surface contact, and is not easy to loose. In addition, the frame is stable in structure and is connected with the supporting plate through a plurality of points, so that a stable frame is formed; and the heat dissipation is convenient. Solves the problems existing in the prior art.
Description
Technical Field
The utility model relates to a frame structure converter and a control cabinet applying the same, and belongs to the technical field of converters.
Background
The function of the converter is to convert electrical energy, i.e. to convert electrical energy in the form of certain voltages and currents into electrical energy in the form of other voltages and currents. Such devices include frequency converters, grid-connected inverters, uninterruptible power supply inverters, dc-dc power supplies, and the like. Such devices are typically composed of power electronic semiconductor components, passive power electronic components such as capacitive inductive resistors, high current wires and terminals, circuit boards, heat dissipating components and support structures. In order for the current transformer to perform best, be at a minimum cost, and be robust, it is desirable to have the components properly arranged and connected.
The current transformer that exists among the prior art has various different structural style according to its application occasion, but exists the heat dispersion poor, and mounting structure is unreasonable, and the technical problem that compactness low sturdiness is poor, like patent application number is: CN202020627345.0, discloses an isolated converter based on micro-grid technology, which is structurally designed to dissipate heat through a heat dissipation port, and has poor heat dissipation performance and low compactness, so that the current urgent need is met by combining the problems in the prior art.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a frame structure converter and a control cabinet applying the structure, and solves the problems in the prior art.
The utility model discloses a frame structure converter which comprises a converter body, wherein the converter body comprises a radiator, a supporting plate and a frame, the radiator and the frame are respectively arranged on two sides of the supporting plate, the middle part of the supporting plate is hollowed out, the inner surface of the radiator is embedded in the hollowed-out position, the outer surface of the radiator is exposed outside, the frame is square, four corners of the frame are arranged on the outer side of the inner surface of the radiator, and electric elements are arranged on the inner side and the surrounding space of the frame.
As a further aspect of the present utility model, the electrical component includes a semiconductor component, an energy storage component, and a control component, where the semiconductor component, the energy storage component, and the control component are connected to a circuit board.
As a further scheme of the utility model, a wiring terminal is also arranged in the frame, the wiring terminal is connected with a connecting wire, and the wiring terminal is connected with the electrical element through the connecting wire.
As a further scheme of the utility model, a radiator fan is arranged in the radiator.
As a further aspect of the present utility model, a radiator cover is provided outside the radiator, and the radiator cover surrounds the radiator.
As a further proposal of the utility model, the outer side of the frame is provided with a shell which is fixed on the supporting plate.
As a further aspect of the present utility model, the heat sink is of a tooth, comb or fin structure.
As a further scheme of the utility model, the semiconductor element is an IGBT or a MOSFET, is fixed close to the surface of the radiator, and the energy storage element is a capacitor and is fixed on the frame.
As a further scheme of the utility model, the peripheral edges of the supporting plate are provided with mounting holes.
The control cabinet applying the frame-structure current transformer comprises the frame-structure current transformer, wherein an installation space is formed in the back plate of the control cabinet, and the frame-structure current transformer is embedded into the installation space.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model relates to a frame structure converter and a control cabinet using the same, which have the following effects:
the frame structure takes the supporting plate as a main supporting part, is tightly connected with the radiator through large-surface contact, and is not easy to loose. In addition, the frame is stable in structure and is connected with the supporting plate through a plurality of points, so that a stable frame is formed; the short-cut main circuit is convenient to realize, so that electromagnetic interference generated by current and voltage changes of the main circuit is convenient to reduce, and the use of wires is also convenient to reduce, thereby being beneficial to reducing materials, reducing cost and reducing weight.
The frame structure converter circuit board provides good placement space, and is convenient for realizing a short signal path from a control signal to a power electronic switch component, so that the interference of a weak signal of the circuit board by a main circuit can be reduced; and the heat dissipation is convenient. The frame structure provides a clear channel for the heat dissipation medium, so that the medium can be conveniently and fully contacted with the surface of the heat sink, and heat can be rapidly discharged out of the converter. The structure clearly separates the high temperature part from the low temperature part, so that the temperature sensitive component is far away from the heating component.
After the frame structure converter is installed in industrial equipment such as a control cabinet, the supporting plate is in close contact with the back plate of the control cabinet, and the radiator fan assembly integrally extend out of the controller to be hermetically isolated from the inside, so that heat generated by the converter is completely discharged out of the control cabinet, and the temperature rise in the control cabinet is reduced. Is convenient for product installation. When the converter is installed in the control cabinet, the converter radiator and the fan assembly are only required to be inserted into the reserved square installation space of the back plate of the control cabinet, and the supporting plate is fastened with the back plate of the control cabinet by screws, so that other operations are not required. Solves the problems in the prior art.
Drawings
Figure 1 is a side view of a frame structure current transformer structure of the present utility model;
figure 2 is a top view of a frame structure current transformer structure of the present utility model;
FIG. 3 is an assembly view of parts in a frame structure according to an embodiment of the present utility model;
FIG. 4 is a diagram showing the effect of the frame structure according to the embodiment of the present utility model;
in the figure: 1. a heat sink; 2. a support plate; 3. a frame; 4. a housing; 5. an energy storage element; 6. a connection terminal; 7. a connecting wire; 8. a heat radiation fan; 9. a radiator cover; 10. a control element; 11. a semiconductor element; 12. a circuit board; 14. a control cabinet; 15. an installation space; 16. a current transformer body.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
example 1:
as shown in fig. 1-3, the converter with the frame structure according to the utility model comprises a converter body 16, wherein the converter body 16 comprises a radiator 1, a supporting plate 2 and a frame 3, the radiator 1 and the frame 3 are respectively arranged on two sides of the supporting plate 2, the middle part of the supporting plate 2 is hollowed out, the inner surface of the radiator 1 is embedded in the hollowed-out position, the outer surface of the radiator 1 is exposed outside, the frame 3 is square, four corners of the frame 3 are arranged on the outer side of the inner surface of the radiator 1, and electric elements are arranged on the inner side and the surrounding space of the frame 3.
In the present embodiment, the electrical components include a semiconductor component 11, an energy storage component 5, and a control component 10, and a circuit board 12 is connected to the semiconductor component 11, the energy storage component 5, and the control component 10.
In this embodiment, a connection terminal 6 is further installed in the frame 3, the connection terminal 6 is connected with a connection wire 7, and the connection terminal 6 is connected with the electrical component through the connection wire 7.
In the present embodiment, a radiator fan 8 is mounted in the radiator 1.
In the present embodiment, a radiator cover 9 is provided outside the radiator 1, and the radiator cover 9 surrounds the outer periphery of the radiator 1.
In this embodiment, a housing 4 is mounted on the outer side of the frame 3, and the housing 4 is fixed to the support plate 2.
In this embodiment, the heat sink 1 is of a tooth, comb or fin-shaped structure.
In this embodiment, the semiconductor element 11 is an IGBT or a MOSFET, and is fixed to the surface of the heat sink 1, and the energy storage element 5 is a capacitor and is fixed to the frame 3.
In this embodiment, mounting holes are formed in the peripheral edges of the support plate 2.
The working principle of the embodiment is as follows: the 3 parts of the heat sink 1, the support plate 2 and the frame 3 are mechanically connected and fixed by welding, riveting or screws. The radiator 1 is sufficiently contacted with the cooling medium to radiate heat. The middle of the supporting plate 2 is provided with an installation space, the radiator 1 is embedded in the installation space and exposes out of the outer surface, so that components needing heat dissipation can be conveniently installed. The periphery of the supporting plate 2 is provided with mounting holes for integrally fixing the converter in industrial equipment such as a control cabinet, and the frame structure takes the supporting plate 2 as a main supporting part and is tightly connected with the radiator 1 through large-surface contact, so that the converter is not easy to loose. In addition, the frame 3 itself is structurally stable and is connected to the support plate 2 through 4 points, thus constituting a stable frame. The structure is compact, and the short main circuit is convenient to realize, so that electromagnetic interference generated by current and voltage change of the main circuit is convenient to reduce, and the use of wires is also convenient to reduce, thereby being beneficial to reducing materials, reducing cost and reducing weight.
The radiator cover 9 surrounds the radiator periphery and is fixedly connected with the frame structure to form a refrigerating medium channel so as to increase the radiating effect. The radiator fan 8 is fixed to the support plate 2, or may be fixed to the radiator cover 4. The terminal 6 is fixed on the frame 3 or the support plate 2 for connection with an external power source and an electrical load and with power electronics inside the converter via wires. The semiconductor element 11 may be an IGBT, a MOSFET, or the like, and generally generates a large amount of heat, and is required to be fixed to the surface of the heat sink 1. The energy storage element 5 may be a capacitor, and is generally small in heat generation amount, and may be fixed to the frame 3. The circuit board 12 performs functions of converter control, driving, external signal input and output, and the like, and is fixedly connected with the frame structure through mechanical connecting parts. The circuit board 12 houses control software and provides an external interface for exchanging commands, data and signals with other control devices. The connection wire 7 is used for carrying a larger current, and can be a thicker cable or a copper bar with a larger sectional area. The housing 4 is fixed on the support plate 2 and provides mechanical, electrical and dust protection for the internal components of the current transformer.
Example 2:
on the basis of embodiment 1, the control cabinet using the frame-structure current transformer comprises the frame-structure current transformer, wherein an installation space 15 is formed in the back plate of the control cabinet 14, and the frame-structure current transformer is embedded into the installation space 15.
The working principle of the embodiment is as follows:
as shown in fig. 4, when the current transformer radiator and the fan assembly are installed in the control cabinet 14, the current transformer radiator and the fan assembly are only required to be inserted into the square installation space 15 reserved in the back plate of the control cabinet, and the support plate is fastened with the back plate of the control cabinet by using screws, so that other operations are not required. Is convenient to install and simple to operate.
In the structure, the high-temperature part and the low-temperature part are clearly separated through the supporting plate, so that the temperature-sensitive component is far away from the heating component. After the frame structure converter is installed in industrial equipment such as a control cabinet, the supporting plate 2 is in close contact with the back plate of the control cabinet, and the radiator fan assembly integrally extend out of the controller and are hermetically isolated from the inside, so that heat generated by the converter is completely discharged out of the control cabinet, and the temperature rise in the control cabinet is reduced. The frame structure enables each part in the converter to be installed with the frame structure to the maximum extent, and reduces the installation dependency relationship among the parts, so that most parts can be independently disassembled, and the replacement and the maintenance are convenient.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A frame structure current transformer comprising a current transformer body (16), characterized in that: the converter body (16) include radiator (1), backup pad (2) and frame (3), radiator (1) and frame (3) are installed respectively in the both sides of backup pad (2), the middle part position of backup pad (2) is dug, the internal surface embedding of radiator (1) is in the position department of dug and the surface of radiator (1) exposes in the outside, the outside at radiator (1) internal surface is installed in four angles of square and frame (3) in frame (3), electrical components is installed in the inboard and the surrounding space of frame (3).
2. A frame structure converter according to claim 1, wherein: the electric element comprises a semiconductor element (11), an energy storage element (5) and a control element (10), wherein the semiconductor element (11), the energy storage element (5) and the control element (10) are connected with a circuit board (12).
3. A frame structure converter according to claim 1, wherein: the frame (3) in still install binding post (6), binding post (6) are connected with connecting wire (7), binding post (6) are through connecting wire (7) connection electrical components.
4. A frame structure converter according to claim 1, wherein: a radiator fan (8) is arranged in the radiator (1).
5. A frame structure converter according to claim 1, wherein: the radiator is characterized in that a radiator cover (9) is arranged outside the radiator (1), and the radiator cover (9) surrounds the periphery of the radiator (1).
6. A frame structure converter according to claim 1, wherein: the outer side of the frame (3) is provided with a shell (4), and the shell (4) is fixed on the supporting plate (2).
7. A frame structure converter according to claim 1, wherein: the radiator (1) is of a tooth-shaped, comb-shaped or wing-shaped structure.
8. A frame structure converter according to claim 2, wherein: the semiconductor element (11) is an IGBT or a MOSFET, is fixed close to the surface of the radiator (1), and the energy storage element (5) is a capacitor and is fixed on the frame (3).
9. A frame structure converter according to claim 1, wherein: the periphery of the supporting plate (2) is provided with mounting holes.
10. The utility model provides an use switch board of frame construction converter which characterized in that: the frame structure converter of any one of claims 1-9, further comprising a control cabinet (14), wherein an installation space (15) is arranged at the back plate of the control cabinet (14), and the frame structure converter is embedded in the installation space (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321293786.1U CN219937675U (en) | 2023-05-24 | 2023-05-24 | Frame structure converter and control cabinet using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321293786.1U CN219937675U (en) | 2023-05-24 | 2023-05-24 | Frame structure converter and control cabinet using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219937675U true CN219937675U (en) | 2023-10-31 |
Family
ID=88493869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321293786.1U Active CN219937675U (en) | 2023-05-24 | 2023-05-24 | Frame structure converter and control cabinet using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219937675U (en) |
-
2023
- 2023-05-24 CN CN202321293786.1U patent/CN219937675U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |