CN213717797U - Mounting and protecting structure for placing frequency converter for variable frequency motor - Google Patents
Mounting and protecting structure for placing frequency converter for variable frequency motor Download PDFInfo
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- CN213717797U CN213717797U CN202022990871.6U CN202022990871U CN213717797U CN 213717797 U CN213717797 U CN 213717797U CN 202022990871 U CN202022990871 U CN 202022990871U CN 213717797 U CN213717797 U CN 213717797U
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Abstract
The utility model provides a place installation and protective structure for converter for inverter motor, relates to the converter field, including iron system casing. The iron shell is characterized in that a plurality of threaded holes are formed in the inner bottom surface of the iron shell and used for placing bolts to fix the frequency converter in the iron shell. And a plurality of positioning lugs are arranged on two sides of the iron shell and used for fixing the iron shell on the variable frequency motor. And ventilation grooves are oppositely arranged on the other two sides of the iron shell. The utility model discloses in reduce cost, overall structure is simple, is convenient for make, and the radiating effect is good.
Description
Technical Field
The utility model belongs to the technical field of the converter and specifically relates to a place installation and protective structure for converter for inverter motor is related to.
Background
In a conventional frequency converter, related electronic components of a controller are mounted on a PCB, wherein a group of power components generate a large amount of heat during operation, and a metal heat sink is usually attached to a heat dissipation surface of the power components for heat dissipation. However, since the washing machine has a special working environment, the mounted PCB is generally placed in a sealed plastic case to prevent water and foreign materials from entering, in order to protect the reliability of the internal electronic components. The radiator is now located in a closed plastic housing, the air flow is poor, the heat exchange effect is also poor, and the cost of the plastic is also high.
For example, the utility model discloses a utility model publication No. CN209692600U, publication No. 2019, 26.11.9, the name of the utility model is a waterproof, heat-dissipating type tamper-proof frequency converter protective cover, which discloses a waterproof, heat-dissipating type tamper-proof frequency converter protective cover, comprising a shell main body, a door body arranged at the front opening of the shell main body and a protective cover covering the rear part of the shell main body, the protective cover is provided with a convex body, a right-angle groove is arranged at the lower inclined plane of the convex body, an air outlet is arranged in the right-angle groove, a heat dissipating device is arranged at the inner side of the air outlet, at least one fan is arranged on the heat dissipating device, a circle of concave ring is arranged at the edge of the mounting surface of the protective cover at the air outlet of the right-angle groove at the air outlet end of the fan, a waterproof rubber ring is embedded in the concave ring, the protective cover is fixed at the, the end face of the cap body is provided with an anti-dismantling structure which is a circular conical surface, the circular conical surface is provided with circular array type bosses, and bayonets are formed at intervals among the bosses. The utility model discloses a converter safety cover is waterproof, improve the radiating efficiency and prevent tearing open, but adopts aluminium system cost higher, and the structure is complicated moreover, the die of being not convenient for is made.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes converter protection device among the prior art is with high costs, and the complicated problem of the die of being not convenient for of structure manufacturing, has provided one kind in reduce cost, overall structure is simple, the installation and the protective structure that are used for inverter motor to place the converter usefulness of being convenient for to make.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a mounting and protecting structure for placing a frequency converter for a variable frequency motor comprises an iron shell; a plurality of threaded holes are formed in the inner bottom surface of the iron shell and used for placing bolts to fix the frequency converter in the iron shell; a plurality of positioning lugs are arranged on two sides of the iron shell and used for fixing the iron shell on the variable frequency motor; and ventilation grooves are oppositely arranged on the other two sides of the iron shell.
The iron shell is made of iron, is firmer and easier to dissipate heat compared with plastic, and has lower cost compared with plastic and other metals. The frequency converter is placed the bolt fastening through the screw hole and on the iron casing, and is fixed more firmly, plays better safeguard effect. The positioning lug fixes the iron shell on the variable frequency motor, so that the installation is convenient and firm. The ventilation and heat dissipation are convenient due to the arrangement of the ventilation groove. The whole structure is simple, and one-time injection molding is convenient.
Preferably, a plurality of supporting columns are arranged on the inner bottom surface of the iron shell, and the supporting columns correspond to the insulating edges of the frequency converter when arranged.
The setting up of support column makes converter and iron system casing insulating connection, guarantees the normal work of converter, can not have the electric leakage risk.
Preferably, the height of the supporting column is greater than that of the threaded hole.
When screw hole installation converter like this, the converter can be supported by the support column and live, and the installation is more stable.
Preferably, the supporting columns are uniformly distributed at the edge of the inner bottom surface of the iron shell.
Therefore, when the frequency converter is installed and supported, the frequency converter is more stable, and the phenomenon that the frequency converter is inclined due to the fact that the supporting point is in the middle position is avoided.
Preferably, the bottom of the ventilation groove is higher than the top of the support column.
The arrangement ensures that the wiring position of the electronic element of the frequency converter is not exposed under the ventilation groove, and the frequency converter is effectively waterproof and damage-proof.
Preferably, the threaded holes are uniformly distributed on the inner bottom surface of the iron shell.
Thus, the frequency converter is more stable when being installed.
Preferably, the size of the inner bottom surface of the iron case is the same as the size of the corresponding bottom surface when the frequency converter is mounted.
The arrangement enables the wiring position of the electronic element of the frequency converter to be sealed and effectively waterproof.
Preferably, the number of the positioning lugs arranged on the two sides of the iron shell is different.
Thus, the front and the back are clearly distinguished when the installation is convenient, and the installation and the positioning are more accurate.
Preferably, the width of the ventilation groove is smaller than the width of the frequency converter.
Therefore, the frequency converter is not easy to fall out of the iron shell when being ventilated and radiated, and the installation is more stable.
Preferably, the outer surface of the iron shell corresponding to the bottom of the ventilation groove is provided with a wire placing lug.
The wire placing lugs are convenient for placing electric wires of the variable frequency motor and effectively fix the wire harness.
The utility model has the advantages that: the iron shell is made of iron, is firmer and easier to dissipate heat compared with plastic, and has lower cost compared with plastic and other metals. The frequency converter is placed the bolt fastening through the screw hole and is just insulated through the support column and place on the iron-made casing, has the fixed effect of better installation, effective anticreep. The bottom of the ventilation groove is higher than the top of the support column, the size of the inner bottom surface of the iron shell is the same as that of the bottom surface corresponding to the frequency converter during installation, and therefore the electronic element wiring position of the frequency converter is sealed and effectively waterproof due to the arrangement. The ventilation and heat dissipation are convenient due to the arrangement of the ventilation groove. The whole structure is simple, and one-time injection molding is convenient.
Drawings
Fig. 1 is a front schematic view of the present invention.
Fig. 2 is an internal schematic view of the present invention.
In the figure: 1-iron shell, 2-threaded hole, 3-positioning lug, 31-mounting hole, 4-ventilation groove, 5-support column, 6-wire placing lug and 61-wire placing port.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the mounting and protection structure for placing the frequency converter for the variable frequency motor comprises an iron shell 1. Be equipped with a plurality of screw hole 2 on the bottom surface in the iron casing 1, screw hole 2 is used for placing the bolt and fixes the converter in iron casing 1. The iron shell is characterized in that a plurality of positioning lugs 3 are arranged on two sides of the iron shell 1, and the positioning lugs 3 are used for fixing the iron shell 1 on the variable frequency motor. And ventilation grooves 4 are oppositely arranged on the other two sides of the iron shell 1.
The iron shell 1 is made of iron, is firmer and easier to dissipate heat compared with plastic, and has lower cost compared with plastic and other metals. The frequency converter is placed the bolt fastening through screw hole 2 and on iron system casing 1, and is fixed more firm, plays better protective effect. The positioning lug 3 fixes the iron shell 1 on the variable frequency motor, and the installation is convenient and firm. The ventilation groove 4 is arranged to facilitate ventilation and heat dissipation. The whole structure is simple, and one-time injection molding is convenient.
The utility model discloses a structure of iron casing 1. The frequency converter is formed by mounting related electronic components of the controller on a PCB. The size of the inner bottom surface of the iron shell 1 is the same as that of the position corresponding to the bottom surface when the frequency converter is installed, namely the size of the inner bottom surface of the iron shell is the same as that of the PCB. The PCB board is the rectangle, iron casing 1 wholly is the cuboid, and the interior bottom is personally submitted the rectangle. Therefore, the wiring position of the electronic element of the frequency converter is sealed, and the frequency converter is effectively waterproof.
The utility model discloses a mounting structure of iron casing 1. Four threaded holes 2 are arranged on the bottom surface of the iron shell 1, and the threaded holes 2 are used for placing bolts to fix the frequency converter in the iron shell 1. Preferably, the four threaded holes 2 are uniformly distributed on the inner bottom surface of the iron shell 1, so that the frequency converter is more stable when being installed. The iron shell is characterized in that a plurality of positioning lugs 3 are arranged on two sides of the iron shell 1, and the positioning lugs 3 are used for fixing the iron shell 1 on the variable frequency motor. The positioning lug 3 is provided with a mounting hole 31, and the mounting hole 31 fixes the positioning lug 3 on the variable frequency motor through a bolt. Preferably, the number of the positioning lugs 3 arranged on the two sides of the iron shell 1 is different, so that the installation is convenient to be clearly and positively carried out, and the installation and positioning are more accurate.
The utility model discloses a heat radiation structure of iron casing 1. The other two sides of the iron shell 1 are provided with ventilation grooves 4 relatively, so that ventilation and heat dissipation are convenient, and the electronic elements are protected to work normally. Preferably, the width of the ventilation groove 4 is smaller than that of the frequency converter, so that the frequency converter is not easy to fall out of the iron shell 1 while ventilating and radiating, and the installation is more stable.
The utility model discloses an insulation system of iron casing 1. Four supporting columns 5 are arranged on the bottom surface of the iron shell 1, and the supporting columns 5 correspond to the insulating edges of the frequency converter when arranged. The setting of support column 5 makes converter and 1 insulated connection of iron system casing, guarantees the normal work of converter, can not have the electric leakage risk. The height of support column 5 is greater than the height of screw hole 2, and when screw hole 2 installation converter like this, the converter can be supported by support column 5, and the installation is more stable. Preferably, the supporting columns 5 are uniformly distributed at the edge of the inner bottom surface of the iron shell 1. Therefore, when the frequency converter is installed and supported, the frequency converter is more stable, and the phenomenon that the frequency converter is inclined due to the fact that the supporting point is in the middle position is avoided. Preferably, the bottom of the ventilation groove 4 is higher than the top of the support column 5, so that the electronic component wiring position of the frequency converter is not exposed under the ventilation groove 4, and the ventilation groove is effectively waterproof and damage-proof.
The utility model discloses a wire arrangement structure of iron shell 1. And the outer surface of the iron shell 1 corresponding to the bottom of the ventilation groove 4 is provided with a wire placing lug 6. The wire placing lug 6 is provided with a wire placing opening 61, so that the wire can be conveniently buckled on the wire placing concave lug to effectively fix the wire harness.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. A mounting and protecting structure for placing a frequency converter for a variable frequency motor is characterized by comprising an iron shell; a plurality of threaded holes are formed in the inner bottom surface of the iron shell and used for placing bolts to fix the frequency converter in the iron shell; a plurality of positioning lugs are arranged on two sides of the iron shell and used for fixing the iron shell on the variable frequency motor; and ventilation grooves are oppositely arranged on the other two sides of the iron shell.
2. The mounting and protection structure for placing the frequency converter for the variable frequency motor according to claim 1, wherein a plurality of supporting columns are arranged on the inner bottom surface of the iron shell, and the supporting columns correspond to the insulating edges of the frequency converter when being arranged.
3. The mounting and protective structure for frequency converter is characterized in that the height of the supporting column is larger than that of the threaded hole in claim 2.
4. The mounting and protection structure for placing the frequency converter for the variable frequency motor according to claim 2, wherein the supporting columns are uniformly distributed at the edge of the inner bottom surface of the iron shell.
5. The mounting and protective structure for frequency converter is characterized in that the bottom of the ventilation groove is higher than the top of the supporting column according to claim 2.
6. The mounting and protection structure for placing the inverter for the inverter motor according to claim 1, wherein the threaded holes are uniformly distributed on the inner bottom surface of the iron shell.
7. The mounting and protection structure for placing the frequency converter for the variable frequency motor according to claim 1, wherein the size of the inner bottom surface of the iron shell is the same as the size of the position corresponding to the bottom surface when the frequency converter is mounted.
8. The mounting and protecting structure for frequency converter of frequency conversion motor as set forth in claim 1, wherein said iron casing has different numbers of positioning lugs on both sides.
9. The mounting and protective structure for frequency converter according to claim 1, wherein the width of the ventilation groove is smaller than the width of the frequency converter.
10. The mounting and protecting structure for frequency converter of frequency conversion motor as claimed in claim 1, wherein the corresponding iron casing at the bottom of said ventilation groove has wire-holding lugs on its outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022990871.6U CN213717797U (en) | 2020-12-14 | 2020-12-14 | Mounting and protecting structure for placing frequency converter for variable frequency motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022990871.6U CN213717797U (en) | 2020-12-14 | 2020-12-14 | Mounting and protecting structure for placing frequency converter for variable frequency motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213717797U true CN213717797U (en) | 2021-07-16 |
Family
ID=76787196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022990871.6U Active CN213717797U (en) | 2020-12-14 | 2020-12-14 | Mounting and protecting structure for placing frequency converter for variable frequency motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213717797U (en) |
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2020
- 2020-12-14 CN CN202022990871.6U patent/CN213717797U/en active Active
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