CN223182538U - Heat radiation structure of frequency converter - Google Patents
Heat radiation structure of frequency converterInfo
- Publication number
- CN223182538U CN223182538U CN202422276708.1U CN202422276708U CN223182538U CN 223182538 U CN223182538 U CN 223182538U CN 202422276708 U CN202422276708 U CN 202422276708U CN 223182538 U CN223182538 U CN 223182538U
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- China
- Prior art keywords
- heat dissipation
- power supply
- cabinet
- air guide
- assembly
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Abstract
The utility model discloses a frequency converter heat radiation structure, which belongs to the technical field of frequency converters and comprises a frequency converter cabinet body, a power supply assembly and a heat radiation mechanism, wherein the power supply assembly is arranged in the cabinet body, the heat radiation mechanism comprises a bottom cooling assembly and a top exhaust assembly, the top exhaust assembly is arranged on one side of the bottom of the cabinet body in a communicating way, the top exhaust assembly is arranged on the top of the cabinet body in a communicating way, the bottom cooling assembly and the top exhaust assembly are electrically connected with the power supply assembly, and the bottom cooling assembly and the top exhaust assembly are respectively and electrically connected with the power supply assembly, wherein if the bottom cooling assembly and the top exhaust assembly share 1 power supply assembly, the total power supply switch is tripped due to the failure of the bottom cooling assembly and the top exhaust assembly, the whole machine is stopped, the heat radiation effect is improved, cold air rises from the bottom, hot air is discharged from the top quickly, and meanwhile, and a plurality of heat radiation element power supplies are arranged to enable equipment to work continuously for a long time.
Description
Technical Field
The utility model relates to the field of frequency converters, in particular to a heat dissipation structure of a frequency converter.
Background
The frequency converter is a power control device which controls the alternating current motor by changing the frequency of a working power supply of the motor by applying a frequency conversion technology and a microelectronic technology. The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detecting unit micro-processing unit and the like.
The transformer, rectifying inverter and other elements are installed in the frequency converter cabinet, overheat is easy to occur in operation, the frequency converter is subjected to overtemperature warning and tripping operation for a long time, the reasons for tripping the frequency converter also comprise that a plurality of filter screens are accumulated dust, the filter screens are not replaced in time, the service life of a fan is too long, the ventilation effect of the filter screens is poor, the room temperature is too high, the design of a fan power supply is unreasonable and the like, the tripping operation of a main power switch is caused, the whole production line is easily caused to stop operation when the power is off in the frequency converter cabinet after tripping operation, the working efficiency is influenced, the overtemperature operation of the frequency converter is very unfavorable for unit stability, and the problem of overtemperature operation of the frequency converter is solved. How to invent a heat dissipation structure of a frequency converter to improve the problems becomes a problem to be solved by the person skilled in the art.
Disclosure of utility model
In order to make up for the defects, the utility model provides a heat dissipation structure of a frequency converter, and aims to solve the problem that equipment is easy to stop due to overtemperature of the frequency converter.
The utility model is realized by a frequency converter heat radiation structure, which comprises
The frequency converter cabinet comprises a frequency converter cabinet body, a power supply module and a control module, wherein the frequency converter cabinet body comprises a cabinet body and the power supply module is arranged in the cabinet body;
The heat dissipation mechanism comprises a bottom cooling component and a top exhaust component, wherein the top exhaust component is installed on one side of the bottom of the cabinet body in a communicating manner, the top exhaust component is installed on the top of the cabinet body in a communicating manner, and the bottom cooling component and the top exhaust component are electrically connected with the power supply component.
In a preferred technical scheme of the utility model, the power supply assembly comprises a heat dissipation element power supply, a mounting plate is arranged at the back of the heat dissipation element power supply, positioning rods are fixedly connected to two ends of the mounting plate respectively, and the positioning rods are fixedly arranged in the cabinet body.
In a preferred technical scheme of the utility model, the bottom cooling component comprises a blowing fan and an air guide box, wherein the blowing fan is arranged below the back of the inner wall of the cabinet body, one end of the air guide box is connected to the inner wall of the cabinet body, the blowing fan is positioned in one end of the air guide box, and the top of the air guide box is provided with an opening.
In a preferred technical scheme of the utility model, the back of the blowing fan is in transmission connection with a motor, the back of the cabinet body is provided with a fan housing, the fan housing is positioned at the back of the blowing fan, and the back of the cabinet body positioned at the blowing fan is in hollow arrangement.
In a preferred technical scheme of the utility model, one surface of the fan housing is fixedly connected with the cabinet body, and the other five surfaces of the fan housing are provided with a plurality of groups of air inlet grids.
In a preferred technical scheme of the utility model, the heat dissipation element power supply and the frequency converter are both arranged above the air guide box, and a plurality of groups of air outlet through holes are formed in the top of the air guide box at equal intervals.
In a preferred embodiment of the present utility model, the air outlet through hole above the air guide box increases from one end close to the air blowing fan to one end far from the air blowing fan.
In a preferred technical scheme of the utility model, the top exhaust assembly comprises a mounting frame, the top of the cabinet body is hollow, the mounting frame is fixedly mounted on the top of the cabinet body, and a plurality of air deflectors are equally paved in the mounting frame.
In a preferred technical scheme of the utility model, the air deflectors are obliquely arranged, and a plurality of groups of air deflectors are arranged in parallel with the inside of the mounting frame.
In a preferred technical scheme of the utility model, two ends of the installation frame are hollow, one end of the installation frame is fixedly connected with an air outlet plate, the other end of the installation frame is fixedly connected with a protection plate, the inner side of the protection plate is provided with a positioning plate, a plurality of groups of auxiliary fans are uniformly distributed on the positioning plate, the auxiliary fans are installed on the positioning plate through motor transmission, the inner side of the auxiliary fans is provided with an air deflector, and the auxiliary fans and the air deflector are arranged on the back of one end of the air deflector, which is tilted.
The frequency converter radiating structure has the beneficial effects that the motor drives the blowing fan and the auxiliary fan to rotate respectively to cool the inside of the cabinet body when the frequency converter radiating structure is used, the blowing fan blows external cold air to lower the temperature of a plurality of groups of frequency converters, wherein the hot air in the cabinet body moves upwards, the auxiliary fan blows at the moment, the wind sweeps over the plurality of groups of air deflectors at a high speed to take away the hot air at the bottom of the air deflectors, so that the hot air at the top of the inside of the cabinet body is rapidly discharged, the blowing fan and the positioning plate are respectively electrically connected with the radiating element power supply, the radiating effect is improved, the cold air rises from the bottom, the hot air is rapidly discharged from the top, and meanwhile, the plurality of radiating element power supplies are arranged to enable the equipment to continuously work for a long time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an internal structure of a frequency converter cabinet body according to an embodiment of the present utility model;
Fig. 2 is a schematic structural diagram of a heat dissipation mechanism according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a bottom cooling assembly according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a top exhaust assembly according to an embodiment of the present utility model;
fig. 5 is an enlarged view of a portion a in fig. 4.
The heat-dissipating device comprises a 100-frequency converter cabinet body, a 110-cabinet body, a 120-power supply component, a 121-heat-dissipating element power supply, a 122-mounting plate, a 123-positioning rod, a 200-heat-dissipating mechanism, a 210-bottom cooling component, a 211-fan housing, a 212-air guide box, a 213-blowing fan, a 220-top exhaust component, a 221-mounting frame, a 222-air guide plate, a 223-air outlet plate, a 224-air guide plate, a 225-positioning plate, a 226-auxiliary fan and a 227-protection plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to FIGS. 1 and 2, the present utility model provides a heat dissipation structure of a frequency converter, comprising
The frequency converter cabinet body 100 comprises a cabinet body 110 and a power supply assembly 120, wherein the power supply assembly 120 is arranged in the cabinet body 110, the heat dissipation mechanism 200 comprises a bottom cooling assembly 210 and a top exhaust assembly 220, the top exhaust assembly 220 is arranged on one side of the bottom of the cabinet body 110 in a communicating mode, the top exhaust assembly 220 is arranged on the top of the cabinet body 110 in a communicating mode, the bottom cooling assembly 210 and the top exhaust assembly 220 are electrically connected with the power supply assembly 120 respectively, 1 power supply assembly 120 is shared by a plurality of the bottom cooling assemblies 210 and the top exhaust assembly 220 if the bottom cooling assembly 210 and the top exhaust assembly 220 are in failure, and a total power switch is tripped, so that the whole machine is stopped.
Referring to fig. 2 and 3, the power supply assembly 120 includes a heat dissipation element power supply 121, a mounting plate 122 is disposed on the back of the heat dissipation element power supply 121, two ends of the mounting plate 122 are respectively and fixedly connected with a positioning rod 123, the positioning rod 123 is fixedly mounted in the cabinet 110, and the mounting plate 122 is convenient for mounting the plurality of groups of heat dissipation element power supplies 121 to prevent overall tripping.
Referring to fig. 3 and 4, the bottom cooling assembly 210 includes a blowing fan 213 and an air guide box 212, the blowing fan 213 is installed below the back of the inner wall of the cabinet 110, one end of the air guide box 212 is connected to the inner wall of the cabinet 110, the blowing fan 213 is located inside one end of the air guide box 212, the top of the air guide box 212 is provided with an opening, and a refrigerating device can be arranged inside the air housing 211 to enable the blowing fan 213 to take in and out the cold air from the cabinet 110. The back transmission of blowing fan 213 is connected with the motor, and fan housing 211 is installed at the back of cabinet body 110, and fan housing 211 is located the back of blowing fan 213, and the back that cabinet body 110 is located blowing fan 213 is the fretwork setting. One surface of the fan cover 211 is fixedly connected with the cabinet body 110, a plurality of groups of air inlet grids are arranged on the other five surfaces of the fan cover 211, and sundries are prevented from entering the cabinet body 110 by the fan cover 211. The heat dissipation element power supply 121 and the frequency converter are both arranged above the air guide box 212, and a plurality of groups of air outlet through holes are formed in the top of the air guide box 212 in an equal division mode, so that cold air is blown upwards through the through holes to be cooled. The air outlet through holes above the air guide box 212 are sequentially increased from one end close to the blowing fan 213 to one end far away from the blowing fan 213, so that the outflow of the cold air is more uniform.
Referring to fig. 4 and 5, the top exhaust assembly 220 includes a mounting frame 221, the top of the cabinet 110 is hollow, the mounting frame 221 is fixedly mounted on the top of the cabinet 110, and a plurality of air deflectors 222 are equally arranged in the mounting frame 221. The air deflectors 222 are arranged obliquely, and a plurality of groups of air deflectors 222 are arranged in parallel with the inside of the mounting frame 221. The both ends of installing frame 221 are the cavity setting, the one end fixedly connected with air-out plate 223 of installing frame 221, the other end fixedly connected with guard plate 227 of installing frame 221, the inboard of guard plate 227 is provided with locating plate 225, the partition is arranged on the locating plate 225 has multiunit auxiliary fan 226, auxiliary fan 226 passes through motor drive to be installed in locating plate 225, auxiliary fan 226's inboard is provided with air deflector 224, auxiliary fan 226 and air deflector 224 set up the back at air deflector 222 perk one end for accelerate the discharge of inside hot air, improve radiating effect.
The working principle is that the frequency converters are arranged in the cabinet 110, the motor drives the blowing fan 213 and the auxiliary fan 226 to rotate respectively to cool the interior of the cabinet 110, the blowing fan 213 blows external cold air to lower the temperature of a plurality of groups of frequency converters, hot air in the cabinet 110 moves upwards, at the moment, the auxiliary fan 226 blows, and wind sweeps over a plurality of groups of air deflectors 222 at a high speed to take away the hot air at the bottom of the air deflectors 222, so that the hot air at the top of the interior of the cabinet 110 is discharged rapidly, and the blowing fan 213 and the positioning plate 225 are electrically connected with the heat dissipation element power supply 121 respectively.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422276708.1U CN223182538U (en) | 2024-09-18 | 2024-09-18 | Heat radiation structure of frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422276708.1U CN223182538U (en) | 2024-09-18 | 2024-09-18 | Heat radiation structure of frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223182538U true CN223182538U (en) | 2025-08-01 |
Family
ID=96538257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422276708.1U Active CN223182538U (en) | 2024-09-18 | 2024-09-18 | Heat radiation structure of frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223182538U (en) |
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2024
- 2024-09-18 CN CN202422276708.1U patent/CN223182538U/en active Active
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