CN214125158U - High-power frequency converter - Google Patents
High-power frequency converter Download PDFInfo
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- CN214125158U CN214125158U CN202023332862.4U CN202023332862U CN214125158U CN 214125158 U CN214125158 U CN 214125158U CN 202023332862 U CN202023332862 U CN 202023332862U CN 214125158 U CN214125158 U CN 214125158U
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- 239000003990 capacitor Substances 0.000 claims abstract description 32
- 230000017525 heat dissipation Effects 0.000 claims description 83
- 238000009434 installation Methods 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The application belongs to the technical field of frequency converters and provides a high-power frequency converter which comprises a power module, an inversion module, a capacitor module, an electric connection control board, an electric connection assembly and a cabinet body. The first mounting cavity and the second mounting cavity of the cabinet body are arranged in a back-to-back manner, and the power module and the inversion module are also arranged in a back-to-back manner, so that the power module and the inversion module are convenient to dismount and mount, meanwhile, the overall structure of the high-power frequency converter is more compact, the excessively flat structure can be avoided, the improvement of the internal space utilization rate of the high-power frequency converter is facilitated, and the transportation of the high-power frequency converter is facilitated; an operator can enter the wiring cavity from one side of the cabinet body to perform wiring on the first electric connecting piece and enter the wiring cavity from the other side of the cabinet body to perform wiring on the second electric connecting piece, and the two wiring parts cannot interfere with each other; in addition, the capacitor module is arranged close to the inverter module through the electric connection control board, so that stray inductance can be reduced, the assembly process is simplified, and the production cost is reduced.
Description
Technical Field
The application relates to the technical field of frequency converters, in particular to a high-power frequency converter.
Background
The frequency converter is a common power supply device in the prior art, and in the design scheme of a main device of the existing frequency converter, a power module and an inversion module of the frequency converter are usually arranged in a frequency converter cabinet body in a line-type manner, so that the frequency converter cabinet body is not compact in structure and low in internal space utilization rate, the frequency converter is not convenient to transport, and the power module and the inversion module are arranged on the same side of the frequency converter cabinet body in the frequency converter cabinet body, so that an input cable connecting part and an output cable connecting part are easy to interfere, and the cables are inconvenient to access and maintain; in addition, in the design of the existing frequency converter, the capacitor module and the inverter module are connected by adopting a copper bar, the assembly process is complex, and the generated stray inductance is large, so that the operation safety of the inverter module can be influenced.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide a frequency converter system, in order to solve the technical problems that the internal structure layout of the frequency converter existing in the prior art is unreasonable, the external cable is not convenient to access, the stray inductance generated by internal elements is large, and the assembly process is complex.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: the high-power frequency converter comprises a frequency conversion cabinet, a power module, an inversion module, a capacitor module, an electric connection control board and an electric connection assembly; the frequency conversion cabinet comprises a cabinet body provided with a first mounting cavity, a second mounting cavity and a wiring cavity, wherein the first mounting cavity and the second mounting cavity are arranged on two opposite sides of the cabinet body in a back mode, and the wiring cavity is arranged below the first mounting cavity and the second mounting cavity or above the first mounting cavity and the second mounting cavity; the power module is detachably arranged in the first installation cavity; the inversion module, the capacitor module and the electric connection control board are detachably arranged in the second installation cavity, and the capacitor module is electrically connected with the inversion module through the electric connection control board; the electric connection assembly comprises a first electric connection piece and a second electric connection piece, one end of the first electric connection piece is electrically connected with the power module, the other end of the first electric connection piece extends into the wiring cavity, one end of the second electric connection piece is electrically connected with the inversion module, and the other end of the second electric connection piece extends into the wiring cavity.
In one embodiment, the high-power frequency converter further comprises a third electrical connector, the capacitor module is arranged above the inverter module, and the capacitor module is electrically connected with the power module through the third electrical connector.
In one embodiment, the high-power frequency converter further comprises a control module electrically connected with the power module and the inverter module, the frequency conversion cabinet further comprises a control panel installed on the cabinet body, a control cavity is formed in the control panel, and the control module is arranged in the control cavity.
In one embodiment, the control panel is provided with a first wiring port, and the control cavity is communicated with the wiring cavity through the first wiring port.
In one embodiment, the high-power frequency converter further comprises a heat dissipation device, the cabinet body further comprises a heat dissipation cavity located between the first installation cavity and the second installation cavity, and the heat dissipation device is arranged in the heat dissipation cavity.
In one embodiment, the frequency conversion cabinet further comprises a drawer, the control panel is provided with a drawing opening, the control cavity is communicated with the heat dissipation cavity through the drawing opening, the drawer is slidably installed in the heat dissipation cavity through the drawing opening, and the heat dissipation device is arranged in the drawer.
In one embodiment, the heat dissipation device is a heat dissipation fan, the power module is provided with a first heat dissipation fin disposed in the heat dissipation cavity, the inverter module is provided with a second heat dissipation fin disposed in the heat dissipation cavity, and an air outlet end of the heat dissipation fan is opposite to the first heat dissipation fin and the second heat dissipation fin.
In one embodiment, the control panel comprises a plate body and a cover body, the plate body is provided with the control cavity, and the cover body is detachably arranged on the plate body to seal the control cavity.
In one embodiment, the frequency conversion cabinet further comprises a first side plate and a second side plate which are arranged oppositely, a first disassembly and assembly opening communicated with the first installation cavity and a second wiring opening communicated with the wiring cavity are formed in one side of the cabinet body, a second disassembly and assembly opening communicated with the second installation cavity and a third wiring opening communicated with the wiring cavity are formed in the other side of the cabinet body, the first side plate is detachably mounted on one side of the cabinet body to seal the first disassembly and assembly opening and the second wiring opening, and the second side plate is detachably mounted on the other side of the cabinet body to seal the second disassembly and assembly opening and the third wiring opening.
In one embodiment, the cabinet further has an expansion cavity.
The application provides a high-power converter's beneficial effect lies in: compared with the prior art, the high-power frequency converter provided by the application has the advantages that the first mounting cavity and the second mounting cavity of the cabinet body are arranged in a back-to-back manner, the power module is mounted in the first mounting cavity, the inversion module is mounted in the second mounting cavity, the power module and the inversion module are also arranged in a back-to-back manner, the power module and the inversion module are convenient to dismount and mount, meanwhile, the overall structure of the high-power frequency converter is more compact, the formation of a too flat structure can be avoided, the internal space utilization rate of the high-power frequency converter is improved, and the transportation of the high-power frequency converter is facilitated; an operator can enter the wiring cavity from one side of the cabinet body to perform wiring on the first electric connecting piece and enter the wiring cavity from the other side of the cabinet body to perform wiring on the second electric connecting piece, and the two wiring parts cannot interfere with each other, so that the wiring operation is more convenient; in addition, the capacitor module is arranged close to the inverter module through the electric connection control board, so that the generation of stray inductance can be reduced, the number of parts for assembly is reduced, the assembly process is simplified, and the production cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic view of a first view structure of a high-power frequency converter according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a second view structure of the high-power frequency converter according to the embodiment of the present application;
FIG. 3 is a schematic structural diagram of the high-power frequency converter shown in FIG. 1 with the first side plate, the second side plate and the cover removed;
FIG. 4 is an exploded view of the high power frequency converter shown in FIG. 1;
FIG. 5 is a schematic structural diagram of the capacitor module and the inverter module of the high-power frequency converter shown in FIG. 1;
fig. 6 is a left side view of the high power inverter shown in fig. 1.
Wherein, in the figures, the respective reference numerals:
100-frequency conversion cabinet; 110-a cabinet body; 111-a first mounting cavity; 112-a second mounting cavity; 113-a wiring cavity; 114-a heat dissipation cavity; 115-an expansion cavity; 116-a first disassembly and assembly port; 117-second connection port; 118-a second disassembly and assembly port; 119-a third wiring port; 120-a control panel; 121-control chamber; 122-a plate body; 123-a cover body; 124-a first wiring port; 125-drawing mouth; 130-a backplane; 131-cable perforation; 140-a drawer; 141-mounting a disk; 142-a push-pull member; 150-a first side panel; 160-a second side plate; 170-grid top plate; 180-an air inlet; 190-air outlet; 200-a power module; 210-a first heat sink fin; 300-an inverter module; 310-second heat dissipation fins; 400-a capacitive module; 500-electrically connecting a control board; 600-an electrical connection assembly; 610-a first electrical connection; 620-second electrical connection; 700-a third electrical connection; 800-a control module; 900-a heat sink; 910-sliding rail.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 and intended to be used for explaining the present application and should not be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship as shown in the drawings, which are used for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, fig. 3 and fig. 4, a description will now be given of a high power frequency converter according to an embodiment of the present application. The high-power frequency converter comprises a frequency conversion cabinet 100, a power module 200, an inversion module 300, a capacitance module 400, an electric connection control board 500 and an electric connection assembly 600; the variable frequency cabinet 100 comprises a cabinet body 110 with a first mounting cavity 111, a second mounting cavity 112 and a wiring cavity 113, wherein the first mounting cavity 111 and the second mounting cavity 112 are arranged on two opposite sides of the cabinet body 110 in a back-to-back manner, and the wiring cavity 113 is arranged below the first mounting cavity 111 and the second mounting cavity 112 or above the first mounting cavity 111 and the second mounting cavity 112; the power module 200 is detachably mounted in the first mounting cavity 111; the inverter module 300, the capacitor module 400 and the electrical connection control board 500 are detachably mounted in the second mounting cavity 112, and the capacitor module 400 is electrically connected with the power module 200 through the electrical connection control board 500; the electrical connection assembly 600 includes a first electrical connector 610 and a second electrical connector 620, wherein one end of the first electrical connector 610 is electrically connected to the power module 200 and the other end extends into the wiring cavity 113, and one end of the second electrical connector 620 is electrically connected to the inverter module 300 and the other end extends into the wiring cavity 113.
It is worth to be noted that the power module 200 is electrically connected to the inverter module 300 through the capacitor module 400, wherein the power module 200 is configured to rectify and convert the three-phase ac input voltage into dc power; the capacitor module 400 is configured to filter the rectified dc voltage and then transmit the filtered dc voltage to the inverter module 300; the inverter module 300 is used to convert the dc voltage into an ac voltage with adjustable frequency, amplitude and phase. The electrical connection control board 500 has a connection terminal, and both the inverter module 300 and the capacitor module 400 may be connected to the connection terminal by a fastener. The power module 200, the inverter module 300 and the capacitor module 400 may all adopt a modular design, and the sizes of the first mounting cavity 111, the second mounting cavity 112 and the wiring cavity 113 in the cabinet 110 may be adjusted according to the numbers of the power module 200, the capacitor module 400 and the inverter module 300. The first electrical connector 610 and the second electrical connector 620 may each be provided as a copper bar assembly.
Compared with the prior art, the high-power frequency converter provided by the embodiment has the advantages that the first mounting cavity 111 and the second mounting cavity 112 of the cabinet body 110 are arranged in a reverse manner, the power module 200 is mounted in the first mounting cavity 111, and the inverter module 300 is mounted in the second mounting cavity 112, so that the power module 200 and the inverter module 300 are also arranged in a reverse manner, the power module 200 and the inverter module 300 are convenient to dismount and mount, meanwhile, the overall structure of the high-power frequency converter is more compact, a too flat structure can be avoided, the internal space utilization rate of the high-power frequency converter is improved, and the transportation of the high-power frequency converter is more convenient; and an operator can enter the wiring cavity 113 from one side of the cabinet body 110 to perform wiring on the first electric connector 610, and enter the wiring cavity 113 from the other side of the cabinet body 110 to perform wiring on the second electric connector 620, and the two wiring parts do not interfere with each other, so that the wiring operation is more convenient. In addition, the capacitor module 400 is disposed adjacent to the inverter module 300 through the electrical connection control board 500, so that the generation of stray inductance can be reduced, the influence on the safe operation of the inverter module 300 can be avoided, the number of parts for assembly can be reduced, the assembly process can be simplified, and the production cost can be reduced.
In another embodiment of the present application, the high power frequency converter further includes a third electrical connector 700, the capacitor module 400 is disposed above the inverter module 300, and the capacitor module 400 is electrically connected to the power module 200 through the third electrical connector 700.
It should be noted that one end of the third electrical connector 700 is electrically connected to the power module 200, and the other end of the third electrical connector is electrically connected to the capacitor module 400 after penetrating into the second mounting cavity 112 from the first mounting cavity 111. Third electrical connector 700 may be provided as a copper bar assembly.
The high-power frequency converter with the structure can lead out positive and negative buses from the upper part of the capacitor module 400 conveniently, and meanwhile, leads the wires of the inverter module 300 and the second electric connecting piece 620 below conveniently, so that the wiring is smoother, and the cable is convenient to install and maintain by operators.
Alternatively, the capacitor module 400 and the inverter module 300 may be connected by a structure in which a plurality of copper bars are stacked.
In another embodiment of the present application, referring to fig. 2 and fig. 3, the high-power frequency converter further includes a control module 800 electrically connected to the power module 200 and the inverter module 300, the frequency conversion cabinet 100 further includes a control panel 120 installed on the cabinet body 110, a control cavity 121 is formed in the control panel 120, and the control module 800 is disposed in the control cavity 121.
It should be noted that the first mounting cavity 111 and the second mounting cavity 112 are disposed on two opposite sides of the cabinet 110, and the control panel 120 may be disposed on one of the two remaining sides of the cabinet 110, so that the control module 800, the power module 200, and the inverter module 300 can be respectively installed in and taken out from the side of the cabinet 110, thereby further improving the assembly and maintainability of the high-power frequency converter.
Specifically, the control panel 120 includes a plate body 122 and a cover body 123, the plate body 122 has a control cavity 121, and the cover body 123 is detachably covered on the plate body 122 to seal the control cavity 121, so as to perform waterproof and dustproof functions on the control module 800 in the control cavity 121.
In another embodiment of the present application, referring to fig. 3, the control panel 120 is provided with a first wire connection port 124, and the control cavity 121 is communicated with the wire connection cavity 113 through the first wire connection port 124.
As a specific implementation manner, the frequency conversion cabinet 100 includes a bottom plate 130, a cable through hole 131 communicated with the wiring cavity 113 is formed in the bottom plate 130, when an external input cable and an external output cable need to be accessed, the external input cable and the external output cable penetrate into the wiring cavity 113 from the cable through hole 131 at the bottom of the cabinet body 110, and then only the cover 123 of the control panel 120 needs to be removed, an operator can complete the electrical connection between the input cable and the first electrical connector 610 and between the output cable and the second electrical connector 620 in the wiring cavity 113 through the first wiring port 124, so that the installation and maintenance operations of the input cable and the output cable are more convenient and faster.
In another embodiment of the present application, referring to fig. 3 and fig. 4, the high power frequency converter further includes a heat dissipation device 900, a heat dissipation cavity 114 is disposed between the first mounting cavity 111 and the second mounting cavity 112 of the cabinet 110, and the heat dissipation device 900 is disposed in the heat dissipation cavity 114.
It should be noted that the heat dissipation device 900 may have various forms, and may be an air cooling device or a water cooling device, and the like, which is not limited herein.
By adopting the high-power frequency converter with the structure, the heat dissipation device 900 can simultaneously dissipate the heat of the power module 200 in the first mounting cavity 111 and the inversion module 300 in the second mounting cavity 112 in a single heat dissipation cavity 114 in at least one of heat dissipation modes such as heat conduction, forced convection heat transfer and the like, so that the high-power frequency converter has good heat dissipation performance and a compact internal structure; and the heat dissipation cavity 114 is arranged between the first installation cavity 111 and the second installation cavity 112, so that the distance between the first installation cavity 111 and the second installation cavity 112 is increased, the size of the wiring cavity 113 along the direction from the first installation cavity 111 to the second installation cavity 112 is increased, a sufficient operation space can be reserved for the access of an external cable, and the installation and maintenance of the external cable are facilitated.
In another embodiment of the present application, referring to fig. 4, the frequency conversion cabinet 100 further includes a drawer 140, the control panel 120 is provided with a drawing opening 125, the control cavity 121 is communicated with the heat dissipation cavity 114 through the drawing opening 125, the drawer 140 is slidably installed in the heat dissipation cavity 114 through the drawing opening 125, and the heat dissipation device 900 is disposed in the drawer 140.
It can be understood that the heat dissipation device 900 can be installed into the heat dissipation cavity 114 from the drawing opening 125 of the control panel 120, and the heat dissipation device 900 can also be detached from the drawing opening 125, so that the heat dissipation device 900 can be directly maintained and installed through the control cavity 121, and the installation and maintenance are more convenient and faster.
As an implementation manner, the drawer 140 includes a mounting plate 141 and a push-pull member 142 disposed at one end of the mounting plate 141, the heat sink 900 is disposed in the mounting plate 141, and a slide rail 910 is disposed inside the heat dissipation cavity 114; when the heat dissipation apparatus 900 is installed, one end of the installation plate 141, which is far away from the push-pull piece 142, enters the heat dissipation cavity 114 from the pull opening 125 and is slidably installed on the slide rail 910, and one end of the installation plate 141, which is provided with the push-pull piece 142, is detachably connected to the periphery of the pull opening 125 of the control panel 120, so that the heat dissipation apparatus 900 is fixed. When the heat dissipation device 900 is disassembled, the end of the release mounting plate 141 provided with the push-pull piece 142 is connected with the periphery of the drawing opening 125 of the control panel 120, and the heat dissipation device 900 can be drawn out by using the push-pull piece 142, so that the heat dissipation device 900 is convenient to assemble and disassemble.
In another embodiment of the present application, referring to fig. 3 and 4, the heat dissipation device 900 is a heat dissipation fan, the power module 200 is provided with a first heat dissipation fin 210 disposed in the heat dissipation cavity 114, the inverter module 300 is provided with a second heat dissipation fin 310 disposed in the heat dissipation cavity 114, and an air outlet end of the heat dissipation fan is disposed opposite to the first heat dissipation fin 210 and the second heat dissipation fin 310.
In the high-power frequency converter provided by this embodiment, the heat dissipation cavity 114 is communicated with the wiring cavity 113 below, and external air is introduced into the heat dissipation cavity 114 through the wiring cavity 113, so that the wiring cavity 113 has dual functions of accommodating the electrical connection assembly 600 and serving as an air inlet channel, the utilization rate of space is improved, the internal structure of the high-power frequency converter is more compact, and the heat dissipation of the electrical connection assembly 600 is facilitated.
Preferably, the heat dissipation fan guides the external air introduced through the wiring cavity 113 to the first heat dissipation fins 210 and the second heat dissipation fins 310 and then exhausts the external air out of the cabinet 110 from the top of the heat dissipation cavity 114, and the heat dissipation fan guides the external air out of the cabinet 110 from the bottom of the cabinet 110 and then exhausts the external air out of the cabinet 110, so that heat can be conveniently exhausted outwards, and dust deposition during heat dissipation can be reduced.
Preferably, one end of the capacitor module 400 close to the heat dissipation cavity 114 may penetrate into the heat dissipation cavity 114 through the second mounting cavity 112 and is disposed opposite to the air outlet end of the heat dissipation fan, and the heat dissipation fan cools the capacitor module 400.
In another embodiment of the present application, referring to fig. 1 to 4, the variable frequency cabinet 100 further includes a first side plate 150 and a second side plate 160 disposed oppositely, one side of the cabinet body 110 is provided with a first dismounting hole 116 communicated with the first mounting cavity 111 and a second wiring hole 117 communicated with the wiring cavity, and the other side is provided with a second dismounting hole 118 communicated with the second mounting cavity 112 and a third wiring hole 119 communicated with the wiring cavity, the first side plate 150 is detachably mounted on one side of the cabinet body 110 to seal the first dismounting hole 116 and the second wiring hole 117, and the second side plate 160 is detachably mounted on the other side of the cabinet body 110 to seal the second dismounting hole 118 and the third wiring hole 119.
It can be understood that the first side plate 150 and the second side plate 160 are oppositely disposed, the control panel 120 is disposed between the first side plate 150 and the second side plate 160, the power module 200 can be installed and maintained from the first disassembling and assembling port 116 when the first side plate 150 is disassembled, the external input cable is electrically connected with the first electrical connector 610 through the first wiring port 124, the inverter module 300 can be installed and maintained from the second disassembling and assembling port 118 when the second side plate 160 is disassembled, and the external output cable is electrically connected with the second electrical connector 620 through the third wiring port 119, so that the installation and maintenance efficiency of the high-power frequency converter is high.
In another embodiment of the present application, referring to fig. 3, the cabinet 110 further has an expansion cavity 115.
It should be noted that the expansion cavity 115 may be disposed above the first mounting cavity 111, the expansion cavity 115 is used to mount optional components such as a dc converter and a circuit board assembly, and a space is reserved for the function expansion of the high-power frequency converter, and the expansion cavity 115 may be disposed with an independent heat dissipation air duct, which may avoid affecting the heat dissipation of the power module 200, the inverter module 300, and the capacitor module 400.
In another embodiment of the present application, referring to fig. 2 and fig. 3, the frequency conversion cabinet 100 further includes a grid top plate 170, an air outlet 190 communicated with the heat dissipation cavity 114 is formed at the top of the cabinet body 110, and the grid top plate 170 is detachably mounted on the periphery of the air outlet 190 of the cabinet body 110; at least one of the first side plate 150, the second side plate 160, and the cover 123 of the control panel 120 is provided with an air inlet 180. In this way, the cold air introduced by the cooling fan from the outside of the frequency conversion cabinet 100 sequentially passes through the air inlets 180 and the wiring cavity 113 and then enters the cooling cavity 114 to cool the first cooling fins 210, the second cooling fins 310 and the capacitor module 400, and finally is discharged to the outside of the frequency conversion cabinet 100.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (10)
1. A high-power frequency converter is characterized in that: the high-power frequency converter comprises a frequency conversion cabinet, a power module, an inversion module, a capacitor module, an electric connection control board and an electric connection assembly; the frequency conversion cabinet comprises a cabinet body provided with a first mounting cavity, a second mounting cavity and a wiring cavity, wherein the first mounting cavity and the second mounting cavity are arranged on two opposite sides of the cabinet body in a back mode, and the wiring cavity is arranged below the first mounting cavity and the second mounting cavity or above the first mounting cavity and the second mounting cavity; the power module is detachably arranged in the first installation cavity; the inversion module, the capacitor module and the electric connection control board are detachably arranged in the second installation cavity, and the capacitor module is electrically connected with the inversion module through the electric connection control board; the electric connection assembly comprises a first electric connection piece and a second electric connection piece, one end of the first electric connection piece is electrically connected with the power module, the other end of the first electric connection piece extends into the wiring cavity, one end of the second electric connection piece is electrically connected with the inversion module, and the other end of the second electric connection piece extends into the wiring cavity.
2. The high power frequency converter according to claim 1, characterized in that: the high-power frequency converter further comprises a third electric connecting piece, the capacitor module is arranged above the inverter module, and the capacitor module is electrically connected with the power module through the third electric connecting piece.
3. The high power frequency converter according to claim 1, characterized in that: the high-power frequency converter further comprises a control module which is used for being electrically connected with the power module and the inversion module, the frequency conversion cabinet further comprises a control panel which is installed on the cabinet body, a control cavity is formed in the control panel, and the control module is arranged in the control cavity.
4. The high power frequency converter according to claim 3, characterized in that: the control panel is provided with a first wiring port, and the control cavity is communicated with the wiring cavity through the first wiring port.
5. The high power frequency converter according to claim 3, characterized in that: the high-power frequency converter further comprises a heat dissipation device, the cabinet body is further provided with a heat dissipation cavity located between the first installation cavity and the second installation cavity, and the heat dissipation device is arranged in the heat dissipation cavity.
6. The high power frequency converter according to claim 5, wherein: the frequency conversion cabinet further comprises a drawer, the control panel is provided with a drawing opening, the control cavity is communicated with the heat dissipation cavity through the drawing opening, the drawer is slidably installed in the heat dissipation cavity through the drawing opening, and the heat dissipation device is arranged in the drawer.
7. The high power frequency converter according to claim 5, wherein: the heat dissipation device is a heat dissipation fan, a first heat dissipation fin arranged in the heat dissipation cavity is arranged on the power module, a second heat dissipation fin arranged in the heat dissipation cavity is arranged on the inversion module, and an air outlet end of the heat dissipation fan is opposite to the first heat dissipation fin and the second heat dissipation fin.
8. The high power frequency converter according to claim 3, characterized in that: the control panel comprises a panel body and a cover body, the panel body is provided with the control cavity, and the cover body is detachably arranged on the panel body in a covering mode so as to seal the control cavity.
9. The high power frequency converter according to any one of claims 1 to 8, characterized in that: the frequency conversion cabinet is characterized by further comprising a first side plate and a second side plate which are arranged oppositely, one side of the cabinet body is provided with a first disassembly and assembly port communicated with the first installation cavity and a second wiring port communicated with the wiring cavity, the other side of the cabinet body is provided with a second disassembly and assembly port communicated with the second installation cavity and a third wiring port communicated with the wiring cavity, the first side plate is detachably installed on one side of the cabinet body to enable the first disassembly and assembly port and the second wiring port to be sealed, and the second side plate is detachably installed on the other side of the cabinet body to enable the second disassembly and assembly port and the third wiring port to be sealed.
10. The high power frequency converter according to any one of claims 1 to 8, characterized in that: the cabinet body also has an expansion cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023332862.4U CN214125158U (en) | 2020-12-30 | 2020-12-30 | High-power frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023332862.4U CN214125158U (en) | 2020-12-30 | 2020-12-30 | High-power frequency converter |
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| Publication Number | Publication Date |
|---|---|
| CN214125158U true CN214125158U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023332862.4U Active CN214125158U (en) | 2020-12-30 | 2020-12-30 | High-power frequency converter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114901050A (en) * | 2022-05-30 | 2022-08-12 | 日立电梯（中国）有限公司 | Elevator frequency converter heat dissipation device and maintenance method thereof |
| CN117560872A (en) * | 2023-10-31 | 2024-02-13 | 厦门科华数能科技有限公司 | An electrical cabinet |
-
2020
- 2020-12-30 CN CN202023332862.4U patent/CN214125158U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114901050A (en) * | 2022-05-30 | 2022-08-12 | 日立电梯（中国）有限公司 | Elevator frequency converter heat dissipation device and maintenance method thereof |
| CN117560872A (en) * | 2023-10-31 | 2024-02-13 | 厦门科华数能科技有限公司 | An electrical cabinet |
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