CN215897566U - High temperature resistant excavator electric shovel frequency converter - Google Patents

High temperature resistant excavator electric shovel frequency converter Download PDF

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Publication number
CN215897566U
CN215897566U CN202121885906.8U CN202121885906U CN215897566U CN 215897566 U CN215897566 U CN 215897566U CN 202121885906 U CN202121885906 U CN 202121885906U CN 215897566 U CN215897566 U CN 215897566U
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frequency converter
plate
high temperature
main body
converter main
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CN202121885906.8U
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Chinese (zh)
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张宇
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Shanxi Jianzhi Electromechanical Equipment Co ltd
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Taiyuan Institute of Technology
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Abstract

The utility model discloses a high-temperature-resistant frequency converter of an excavator shovel, which comprises a frequency converter main body, wherein air inlets for communicating the internal air with the external air of the frequency converter main body are formed in two sides of the frequency converter main body, and mounting bottom plates are arranged on two sides below the frequency converter main body; the bottom of the frequency converter main body is provided with the heat collecting plate, the heat collecting plate is detachably mounted, the bottom of the heat collecting plate is provided with the heat radiating fin plate, one end, located at the heat radiating fin plate, of the lower portion of the heat collecting plate is provided with the fan fixing plate, and the fan is mounted on the fan fixing plate.

Description

High temperature resistant excavator electric shovel frequency converter
Technical Field
The utility model belongs to the technical field of frequency converters, and particularly relates to a high-temperature-resistant frequency converter of an excavator electric shovel.
Background
The frequency converter is a power control device which applies the frequency conversion technology and the microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor, and mainly comprises a rectifying unit, a filtering unit, an inverting unit, a braking unit, a driving unit, a detecting unit microprocessing unit and the like, and has a plurality of protection functions, such as overcurrent, overvoltage, overload protection and the like;
the frequency converter of the excavator electric shovel is a frequency converter installed on the excavator electric shovel, but the existing frequency converter of the excavator is simple in structure, slow in heat dissipation speed and low in efficiency, and therefore the service life of the frequency converter is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a high-temperature-resistant excavator electric shovel frequency converter.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a high-temperature-resistant excavator shovel frequency converter comprises a frequency converter main body, wherein air inlets for communicating the internal air with the external air of the frequency converter main body are formed in two sides of the frequency converter main body, and mounting bottom plates are arranged on two sides below the frequency converter main body;
the bottom of the frequency converter main body is provided with a heat collection plate, the heat collection plate is detachably mounted, a heat dissipation fin plate is mounted at the bottom of the heat collection plate, a fan fixing plate is mounted at one end, located below the heat collection plate, of the heat dissipation fin plate, and a fan is mounted on the fan fixing plate.
Preferably, mounting holes are formed in two sides of the mounting base plate, and bolts used for fixing the mounting base plate are arranged in the mounting holes.
Preferably, the vertical section of the heat dissipation fin plate adopts an isosceles trapezoid structure.
Preferably, a plurality of the heat dissipation fin plates are arranged, and the plurality of the heat dissipation fin plates are distributed at equal intervals along the width direction of the heat collection plate.
Preferably, the four corners of the heat collecting plate are provided with mounting mechanisms, the bottom of the frequency converter main body is provided with clamping plates at the positions of the mounting mechanisms, and the mounting mechanisms are fixedly connected with the clamping plates in a clamping manner.
Preferably, installation mechanism includes the mechanism shell, the inside slidable mounting of mechanism shell has the bayonet lock, the one end of bayonet lock extends to the outside of mechanism shell, the other end of bayonet lock with the inner wall connection of mechanism shell, the socket has been seted up on the chucking board, the bayonet lock is inserted and is closed in the socket.
Preferably, a groove is formed in the top of the mechanism shell, a sliding block is arranged above one end, located inside the mechanism shell, of the clamping pin, and the sliding block extends out of the groove.
According to the utility model, the bottom of the frequency converter main body is provided with the mounting bottom plate and the heat collecting plate, so that the frequency converter main body can be in an overhead state, the heat dissipation effect is better when the frequency converter main body operates, and the fan is arranged at one end of the heat dissipation fin plate, so that heat on the heat dissipation fin plate can be blown away when the fan operates, the heat dissipation speed of the device is further improved, the high temperature resistance of the frequency converter is improved, and the service life of the frequency converter is prolonged;
according to the utility model, the vertical section of the heat dissipation fin plate adopts an isosceles trapezoid structure, the surface area of the heat dissipation fin plate can be increased by the structure, so that the heat dissipation effect of the heat dissipation fin plate is improved, the heat collection plate in the device is detachably mounted, when the heat collection plate is mounted, only the sliding block needs to be slid firstly, the sliding block drives the bayonet lock to move, when the bayonet lock is completely received in the shell of the mechanism, the heat collection plate is clamped to the bottom of the frequency converter main body, then the sliding block is released, at the moment, the bayonet lock is ejected under the elastic action of the ejection spring, and the bayonet lock is ejected out of the socket on the clamping plate, so that the mounting of the heat collection plate is completed, and the operation is convenient and rapid.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic bottom view of the present invention;
FIG. 4 is a schematic view of a heat sink fin structure according to the present invention;
FIG. 5 is a schematic view of the mounting mechanism of the present invention.
Reference numerals: 1. mounting a bottom plate; 2. a frequency converter main body; 3. an air inlet; 4. a socket; 5. clamping a plate; 6. a fan; 7. a fan fixing plate; 8. an installation mechanism; 801. a bayonet lock; 802. a slider; 803. a mechanism housing; 804. ejecting a spring; 9. a heat dissipation fin plate; 10. a heat collecting plate.
Detailed Description
The following further describes a specific embodiment of the high temperature resistant excavator electric shovel frequency converter according to the present invention with reference to fig. 1-5. The high temperature resistant excavator electric shovel frequency converter of the present invention is not limited to the description of the following embodiments.
Example 1:
the embodiment provides a specific structure of a high-temperature-resistant excavator shovel frequency converter, which comprises a frequency converter main body 2, wherein air inlets 3 for communicating the internal air and the external air of the frequency converter main body 2 are formed in two sides of the frequency converter main body 2, and mounting bottom plates 1 are arranged on two sides below the frequency converter main body 2;
the bottom of the frequency converter main body 2 is provided with a heat collecting plate 10, the heat collecting plate 10 is detachably mounted, the bottom of the heat collecting plate 10 is provided with a radiating fin plate 9, one end of the heat collecting plate 10, which is located at the radiating fin plate 9, is provided with a fan fixing plate 7, and the fan fixing plate 7 is provided with a fan 6.
By adopting the technical scheme:
when the device is in use, the frequency converter main body 2 is fixed on a corresponding position of an excavator through the mounting base plate 1, when the device is in use, because the bottom of the frequency converter main body 2 is provided with the mounting base plate 1 and the heat collecting plate 10, the frequency converter main body 2 can be in an overhead state, when the frequency converter main body 2 is in operation, the heat dissipation effect is better, one end of the heat dissipation fin plate 9 is provided with the fan 6, when the fan 6 is in operation, the heat on the heat dissipation fin plate 9 can be blown away, the heat dissipation speed of the device is further improved, and the high temperature resistance and the service life of the frequency converter are improved.
Example 2:
the embodiment provides a specific structure of a high-temperature-resistant excavator shovel frequency converter, which comprises a frequency converter main body 2, wherein air inlets 3 for communicating the internal air and the external air of the frequency converter main body 2 are formed in two sides of the frequency converter main body 2, and mounting bottom plates 1 are arranged on two sides below the frequency converter main body 2;
the bottom of the frequency converter main body 2 is provided with a heat collecting plate 10, the heat collecting plate 10 is detachably mounted, the bottom of the heat collecting plate 10 is provided with a radiating fin plate 9, one end of the heat collecting plate 10, which is located at the radiating fin plate 9, is provided with a fan fixing plate 7, and the fan fixing plate 7 is provided with a fan 6.
Mounting holes are formed in two sides of the mounting base plate 1, and bolts used for fixing the mounting base plate 1 are arranged in the mounting holes.
The vertical section of the radiating fin plate 9 adopts an isosceles trapezoid structure.
The plurality of radiating fins 9 are provided, and the plurality of radiating fins 9 are equidistantly distributed along the width direction of the heat collecting plate 10.
The four corners of the heat collecting plate 10 are all provided with mounting mechanisms 8, the bottom of the frequency converter main body 2 is provided with clamping plates 5 at the positions of the mounting mechanisms 8, and the mounting mechanisms 8 are fixedly connected with the clamping plates 5 in a clamping manner.
The mounting mechanism 8 comprises a mechanism housing 803, a bayonet 801 is slidably mounted in the mechanism housing 803, one end of the bayonet 801 extends to the outside of the mechanism housing 803, the other end of the bayonet 801 is connected with the inner wall of the mechanism housing 803, a socket 4 is arranged on a bayonet plate 5, and the bayonet 801 is inserted in the socket 4.
The top of the mechanism outer casing 803 is provided with a groove, one end of the bayonet lock 801 positioned in the mechanism outer casing 803 is provided with a slide block 802, and the slide block 802 extends out of the groove.
By adopting the technical scheme:
the vertical section of the heat dissipation fin plate 9 in the device adopts an isosceles trapezoid structure, and the structure can improve the surface area of the heat dissipation fin plate 9, so that the heat dissipation effect is improved;
the heat collecting plate 10 is detachably mounted in the device, when the heat collecting plate is mounted, only the sliding block 802 needs to be slid firstly, so that the sliding block 802 drives the bayonet 801 to move, when the bayonet 801 is completely received in the mechanism shell 803, the heat collecting plate 10 is clamped to the bottom of the frequency converter main body 2, then the sliding block 802 is released, at the moment, the bayonet 801 is ejected out under the elastic force of the ejection spring 804, and is clamped out of the socket 4 on the clamping plate 5, so that the mounting of the heat collecting plate 10 is completed, and the operation is convenient and fast.
The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims (7)

1. The utility model provides a high temperature resistance excavator power shovel converter, includes converter main part (2), its characterized in that: air inlets (3) for communicating the internal air with the external air of the frequency converter main body (2) are formed in both sides of the frequency converter main body (2), and mounting bottom plates (1) are arranged on both sides below the frequency converter main body (2);
the bottom of converter main part (2) is provided with heat collection plate (10), heat collection plate (10) adopt demountable installation, heat dissipation fin plate (9) are installed to the bottom of heat collection plate (10), heat collection plate (10) below be located fan fixed plate (7) are installed to the one end of heat dissipation fin plate (9), install fan (6) on fan fixed plate (7).
2. The high temperature resistant excavator electric shovel frequency converter of claim 1, characterized in that: mounting holes are formed in two sides of the mounting bottom plate (1), and bolts used for fixing the mounting bottom plate (1) are arranged in the mounting holes.
3. The high temperature resistant excavator electric shovel frequency converter of claim 1, characterized in that: the vertical section of the heat dissipation fin plate (9) adopts an isosceles trapezoid structure.
4. The high temperature resistant excavator electric shovel frequency converter of claim 1, characterized in that: the heat dissipation fin plates (9) are arranged in a plurality, and the heat dissipation fin plates (9) are distributed at equal intervals along the width direction of the heat collection plate (10).
5. The high temperature resistant excavator electric shovel frequency converter of claim 1, characterized in that: all be provided with installation mechanism (8) on four corners of heat collection plate (10), the bottom of converter main part (2) is located the position of installation mechanism (8) is provided with clamping plate (5), installation mechanism (8) with clamping plate (5) block fixed connection.
6. The high temperature resistant excavator electric shovel frequency converter of claim 5, wherein: installation mechanism (8) are including mechanism shell (803), inside slidable mounting of mechanism shell (803) has bayonet lock (801), the one end of bayonet lock (801) extends to the outside of mechanism shell (803), the other end of bayonet lock (801) with the interior wall connection of mechanism shell (803), socket (4) have been seted up on chucking board (5), bayonet lock (801) are inserted and are closed in socket (4).
7. The high temperature resistant excavator electric shovel frequency converter of claim 6, wherein: the top of the mechanism outer shell (803) is provided with a groove, a sliding block (802) is arranged above one end of the bayonet lock (801) positioned in the mechanism outer shell (803), and the sliding block (802) extends out of the groove.
CN202121885906.8U 2021-08-12 2021-08-12 High temperature resistant excavator electric shovel frequency converter Active CN215897566U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121885906.8U CN215897566U (en) 2021-08-12 2021-08-12 High temperature resistant excavator electric shovel frequency converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121885906.8U CN215897566U (en) 2021-08-12 2021-08-12 High temperature resistant excavator electric shovel frequency converter

Publications (1)

Publication Number Publication Date
CN215897566U true CN215897566U (en) 2022-02-22

Family

ID=80502527

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121885906.8U Active CN215897566U (en) 2021-08-12 2021-08-12 High temperature resistant excavator electric shovel frequency converter

Country Status (1)

Country Link
CN (1) CN215897566U (en)

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Effective date of registration: 20220922

Address after: 030000 No. 1611, 16 / F, tower a, Binhe Times Plaza, No. 105, north section of Binhe West Road, Wanbailin District, Taiyuan City, Shanxi Province

Patentee after: Shanxi Jianzhi Electromechanical Equipment Co.,Ltd.

Address before: 030000 No.31, Xinlan Road, Jiancaoping District, Taiyuan City, Shanxi Province

Patentee before: Taiyuan Institure of Technology