CN217335404U - Frequency converter convenient to disassemble, assemble and maintain - Google Patents

Abstract

The utility model relates to a converter technical field especially relates to a converter convenient to dismouting is maintained, including the main casing body and installing the converter subassembly in the main casing body, the main casing body includes cap and bottom plate, goes up when the cap assembles on the base, goes up to be formed with the cavity that is used for assembling the converter subassembly between cap and the base, and is located the cap inner wall and is provided with a plurality of draw-in groove near one side of bottom all around, and the top of bottom plate is connected with the installation cavity, and the converter unit mount is in the installation cavity, and the installation cavity outside all around is provided with the fixture block with draw-in groove looks adaptation, goes up the cap and can dismantle to connect on the bottom plate. The utility model discloses a each subassembly simple to operate of converter and neat pleasing to the eye, small, the wiring is simple and easy orderly, the dismouting of being convenient for, the radiating effect is good, and later maintenance is convenient simultaneously.

Description

Frequency converter convenient to disassemble, assemble and maintain

Technical Field

The utility model relates to a converter technical field especially relates to a converter convenient to dismouting is maintained.

Background

The frequency converter is a power converter in a motion control system, and the frequency conversion speed regulation is also an ideal electricity-saving speed regulation technology recognized in the world at present. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off of an internal IGBT, provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation. With the continuous improvement of the industrial automation degree, the frequency converter is also widely applied. Since the electronic components inside the frequency converter are very easily damaged, regular maintenance or replacement of the damaged electronic components is required.

At present, domestic converter producer is in order to realize the high performance, it is multi-functional and pollution-free, required electrical components has been increased, but because electrical components overall arrangement and structural design's are unreasonable, cause the wiring complicated confusion, the appearance is bulky, bring many troubles for dismouting, transportation, use and maintenance, and the converter shell on the existing market generally adopts the mode of bolt fixed, often need utilize the instrument to open, whole structure dismantlement, replacement or installation are very inconvenient, and maintenance efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to solve exist among the prior art that electrical components and parts layout and structural design unreasonable, cause the complicated confusion of wiring, the appearance is bulky simultaneously, and the unreasonable dismouting, transportation, use and the defect problem of maintaining and bringing of giving of heat dissipation design, the utility model provides a converter convenient to dismouting maintenance, small, wiring are simple and easy orderly, the dismouting of being convenient for, it is convenient to maintain, have good radiating effect simultaneously.

The utility model provides a scheme that its technical problem took is: the utility model provides a converter convenient to dismouting is maintained, includes the main casing body and installs the converter subassembly in the main casing body, the main casing body includes cap and bottom plate, when the cap was assembled on the base, it has the cavity that is used for assembling the converter subassembly to go up to be formed with between cap and the base, and be located the cap inner wall and be provided with a plurality of draw-in groove near one side of bottom all around, the top of bottom plate is connected with the installation cavity, the converter unit mount is in the installation cavity, the installation cavity outside all around is provided with the fixture block with draw-in groove looks adaptation, it can dismantle to connect on the bottom plate to go up the cap.

Through the technical scheme, the clamping connection is mutually matched through the clamping groove and the clamping block between the upper shell cover and the bottom plate, so that the frequency converter is convenient to assemble and disassemble, and the maintenance is more convenient.

Furthermore, the cross-sectional area of the installation cavity is smaller than that of the bottom plate, the installation cavity is connected with the upper shell cover in a clamping mode, and a heat dissipation assembly is arranged in the upper shell cover.

Through above-mentioned technical scheme, the installation cavity is used for fixed converter subassembly for the converter subassembly is stabilized in the upper shell cover, and difficult emergence is damaged.

Further, the heat dissipation assembly comprises a heat radiator, a heat dissipation fan and heat dissipation holes, the heat radiator is installed on the frequency converter assembly, the heat dissipation holes are provided with a plurality of parts and located on two sides of the outer surface of the upper shell cover, the heat dissipation fan is installed on one side adjacent to the heat dissipation holes, and the heat dissipation fan is electrically connected with the frequency converter assembly.

Through above-mentioned technical scheme, set up radiator unit and can accelerate the heat dissipation of converter, install radiator fan on last shells inner wall simultaneously, when radiator fan trouble, needn't demolish the converter is whole, only need dismantle the casing can, convenient maintenance.

Further, the frequency converter assembly comprises a driving board, a control board and a relay, a supporting column is arranged between the driving board and the control board, the driving board is connected with the control board through the supporting column, and the driving board deviates from one side of the control board and is fixedly connected with the radiator.

Through the technical scheme, the distribution of the frequency converter assembly enables the internal electrical components to be reasonable and compact in layout, so that the appearance volume of the frequency converter is reduced, and the occupied space of a user is small.

Furthermore, a copper column is arranged between the relay and the drive plate, and the relay is communicated with the drive plate through the copper column.

Through above-mentioned technical scheme, adopt the copper post with relays and drive plate etc. intercommunication, the dismouting of being convenient for has significantly reduced the wiring quantity of converter.

Furthermore, a plurality of capacitors are uniformly distributed on one side, away from the copper columns, of the bottom of the driving plate along the length direction of the driving plate, partition plates are vertically arranged on the bottom plate, and the partition plates are located between the capacitors and perpendicular to the driving plate.

Through above-mentioned technical scheme, the baffle can be isolated with electric capacity, prevents that the converter inner assembly from leading to the radiating effect poor because of compact structure.

Furthermore, the side plates on the periphery of the upper shell cover are spliced with each other to form the upper shell cover, and the top cover of the upper shell cover is buckled on the side plates on the periphery.

Through above-mentioned technical scheme, when the converter needs the dismouting to be maintained, can directly open the upper cover, be convenient for carry out dismouting maintenance to the converter subassembly.

To sum up, the beneficial effects of the utility model are that:

1. the utility model discloses a converter of dismouting of being convenient for is with the whole holding of converter subassembly and radiator unit in last cap for the converter radiating effect is good, and shell structure is simple, and sets up the draw-in groove and set up the fixture block that corresponds at the installation cavity outer wall of bottom plate through the bottom of last cap, makes bottom plate and last cap can dismantle and be connected, the dismouting of being convenient for makes things convenient for the maintenance operation of converter.

2. The utility model discloses a frequency converter, the appearance is small, and it is little to occupy user usage space. The circuit boards are matched, so that the internal electrical components are reasonably and compactly arranged; each circuit board assembly is communicated with the supporting columns through copper columns, the frequency converter is convenient to disassemble and assemble, the wiring quantity of the frequency converter is greatly reduced, manpower and material resources are saved, the operation difficulty and the operation strength of workers are reduced, and the reliability of products is guaranteed.

Drawings

FIG. 1 is a schematic structural diagram of a frequency converter convenient to disassemble, assemble and maintain according to the present embodiment;

FIG. 2 is a schematic structural diagram of the upper housing cover of the present embodiment;

FIG. 3 is a schematic structural diagram of the base plate according to the present embodiment;

FIG. 4 is a schematic view of an installation structure of the frequency converter assembly and the bottom plate in the present embodiment;

fig. 5 is a schematic structural diagram of the frequency converter assembly of the present embodiment.

In the figure: 1. a main housing; 11. an upper shell cover; 12. a base plate; 2. a frequency converter assembly; 21. a drive plate; 22. a control panel; 23. a relay; 3. a card slot; 4. a mounting cavity; 5. a clamping block; 6. a heat dissipating component; 61. a heat sink; 62. a heat radiation fan; 63. heat dissipation holes; 7. a support column; 8. a copper pillar; 9. a capacitor; 10. a separator.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following description of the present invention is provided in connection with the accompanying drawings.

It should be noted that the terms "center," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like as used herein are used in the orientation or positional relationship indicated in the drawings for the convenience of description and simplicity of 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 in a particular manner, and therefore should not be construed as limiting the present invention. "plurality" means two or more unless otherwise specified.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Referring to fig. 1 to 3, in this embodiment, a converter convenient to dismouting is maintained, including main casing body 1 and the converter subassembly 2 of installing in main casing body 1, main casing body 1 includes upper cover 11 and bottom plate 12, upper cover 11 curb plate splices each other all around and forms, and upper cover 11's top cap lock is on curb plate all around, when the converter needs the dismouting to be maintained, can directly demolish upper cover 11, then the curb plate that splices each other removes, the converter just can show, be convenient for carry out dismouting maintenance to converter subassembly 2, only need splice back again after the maintenance, alright act as the shell and continue to use.

It is specific, when going up cap 11 and assembling on the base, go up and be formed with the cavity that is used for assembling converter subassembly 2 between cap 11 and the base, and it is provided with a plurality of draw-in groove 3 to be located 11 inner walls of upper cap one side that is close to the bottom all around, the top of bottom plate 12 is connected with installation cavity 4, converter subassembly 2 is installed in installation cavity 4, installation cavity 4 outside all around is provided with the fixture block 5 with draw-in groove 3 looks adaptation, go up cap 11 and can dismantle and connect on bottom plate 12, main casing body 1 simple structure, and set up draw-in groove 3 and the fixture block 5 that corresponds at 4 outer walls of installation cavity of bottom plate 12 through the bottom of upper cap 11, make bottom plate 12 can dismantle with upper cap 11 and be connected, the dismouting of being convenient for, make things convenient for the maintenance operation of converter.

In the present embodiment, various electronic components with different sizes and different functions are gathered in the inner space of the frequency converter. If one or more of these electronic components are damaged, the normal operation of the frequency converter is affected. For this reason, it is necessary to periodically maintain the frequency converter or replace the broken electronic components therein. However, the medium and small power frequency converters on the market are not considered in this respect, and once the frequency converter structure is installed, individual components in the frequency converter structure are difficult to replace. When the change demand appears, because inside electronic structure is compact complicated, in order to change a little device, often need spend energetically to look for and maintain, if the electronic component that damages sets up more concealably, then need open the converter casing to can find after waiting the electronic component on top layer to demolish one by one, invisibly having risen the maintenance cost like this, having increaseed the maintenance degree of difficulty, and inefficiency.

Specifically, the cross-sectional area of installation cavity 4 is less than the cross-sectional area of bottom plate 12, and the block is connected between installation cavity 4 and the last cap 11, and installation cavity 4 is less than bottom plate 12 for it is stable that lock that last cap 11 can be fine is connected outside installation cavity 4 and with bottom plate 12. The heat dissipation assembly 6 is arranged in the upper shell cover 11, the heat dissipation assembly 6 comprises a heat radiator 61, a heat dissipation fan 62 and heat dissipation holes 63, the heat radiator 61 is installed on the frequency converter assembly 2, the heat dissipation holes 63 are provided with a plurality of heat dissipation fans and located on two sides of the outer surface of the upper shell cover 11, the heat dissipation fan 62 is installed on one side adjacent to the heat dissipation holes 63, the heat dissipation fan 62 is electrically connected with the frequency converter assembly 2, the heat dissipation holes 63 are arranged in a plurality and evenly distributed on two sides of the upper shell cover 11, the vent holes avoid being formed in the top of the upper shell cover 11 and are formed in the side wall of the upper shell cover 11, therefore, when the frequency converter is vertically installed in an application place, a vertically falling fixed medium or a liquid medium cannot enter the upper shell cover 11, and the protection capability of the frequency converter to foreign pollutants is effectively improved; after the heat emitted by the frequency converter assembly 2 is absorbed and discharged through the radiator 61, the heat is blown out through the radiating holes 63 through the radiating fan 62, and meanwhile, the radiating fan 62 can blow external cold air into the frequency converter assembly 2, so that the effect of cooling is rapidly achieved. The power device utilizes the radiator 61 to radiate heat, thereby solving the problem of radiating heat of the frequency converter; meanwhile, the heat radiation fan 62 is prevented from being assembled inside the bottom plate 12, so that other parts of the whole machine do not need to be disassembled during disassembly, assembly and maintenance, and the disassembly, assembly and maintenance difficulty of the heat radiation fan is effectively reduced.

Referring to fig. 4 to 5, in the present embodiment, the frequency converter assembly 2 includes a driving board 21, a control board 22 and a relay 23, a supporting column 7 is disposed between the driving board 21 and the control board 22, the driving board 21 is connected to the control board 22 through the supporting column 7, and a side of the driving board 21 away from the control board 22 is fixedly connected to a heat sink 61; drive plate 21 is used for driving the operation of converter to for it provides power, and control panel 22 is mainly responsible for processing control data, and sends out signal data and send to each relay 23 unit, is provided with copper post 8 between relay 23 and the drive plate 21, and relay 23 communicates in drive plate 21 through copper post 8.

Specifically, one side of the bottom of the driving plate 21, which is far away from the copper columns 8, is uniformly provided with a plurality of capacitors 9 along the length direction, a bottom plate 12 is vertically provided with a partition plate 10, the partition plate 10 is positioned between the capacitors 9 and is perpendicular to the driving plate 21, the number of the copper columns 8 is at least four, the partition plates are respectively arranged between the bottom plate 12 and the driving plate 21, one ends of the copper columns 8 are fixed on the bottom plate 12, and the other ends of the copper columns are fixed on the driving plate 21. The copper column 8 can make the heat dissipation space between the driving board 21 and the heat sink 61 and facilitate bottom line connection. The quantity of support column 7 also is four at least, and the left and right sides of the upper surface of drive plate 21 is equallyd divide and is provided with two support column 7 installation positions, and control panel 22's lower surface corresponds to support column 7 installation position of drive plate 21 is provided with support column 7 and holds the hole, and the one end of support column 7 is impressed through the mode of pressing support column 7 installation position, its other end is impressed through the mode of pressing support column 7 holds the hole to make control panel 22 install in on the drive plate 21. The installation among the radiator 61, the drive plate 21 and the control panel 22 can be rapidly carried out by utilizing the copper columns 8 and the support columns 7, so that the disassembly and the assembly are convenient, and the maintenance of the frequency converter is facilitated.

The working principle of the embodiment is as follows: when needs dismouting converter, open the top cap of upper housing cover 11 earlier, then demolish the block curb plate of splicing each other on installation cavity 4, break off fixture block 5 hard from the draw-in groove 3 of upper housing cover 11, alright directly carry out the dismouting to converter subassembly 2 and maintain, when needing to change components and parts, can demolish support column 7 and copper post 8, then alright change the components and parts on drive plate 21 and the control panel 22, its process need not use the dismouting that any complementary instrument alright is complete, be favorable to the maintenance of converter.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and modifications made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (7)

1. The utility model provides a converter convenient to dismouting is maintained, includes main casing body (1) and installs converter subassembly (2) in main casing body (1), its characterized in that: the main casing body (1) includes cap (11) and bottom plate (12), when cap (11) is gone up and is assembled on the base, go up and be formed with the cavity that is used for assembling converter subassembly (2) between cap (11) and the base, and be located one side that cap (11) inner wall is close to the bottom all around and be provided with a plurality of draw-in groove (3), the top of bottom plate (12) is connected with installation cavity (4), install in installation cavity (4) converter subassembly (2), the outside all around of installation cavity (4) is provided with fixture block (5) with draw-in groove (3) looks adaptation, it can dismantle to connect on bottom plate (12) to go up cap (11).

2. The frequency converter convenient to disassemble, assemble and maintain according to claim 1, characterized in that: the cross-sectional area of installation cavity (4) is less than the cross-sectional area of bottom plate (12), and the block is connected between installation cavity (4) and last cap (11), is provided with radiator unit (6) in last cap (11).

3. The frequency converter convenient to disassemble, assemble and maintain according to claim 2, characterized in that: the heat dissipation assembly (6) comprises a heat sink (61), a heat dissipation fan (62) and heat dissipation holes (63), wherein the heat sink (61) is installed on the frequency converter assembly (2), the heat dissipation holes (63) are provided with a plurality of parts and located on two sides of the outer surface of the upper shell cover (11), the heat dissipation fan (62) is installed on one side adjacent to the heat dissipation holes (63), and the heat dissipation fan (62) is electrically connected with the frequency converter assembly (2).

4. The frequency converter convenient to disassemble, assemble and maintain according to claim 3, characterized in that: the frequency converter assembly (2) comprises a driving plate (21), a control board (22) and a relay (23), a supporting column (7) is arranged between the driving plate (21) and the control board (22), the driving plate (21) is connected with the control board (22) through the supporting column (7), and the driving plate (21) deviates from one side of the control board (22) and is fixedly connected with a radiator (61).

5. The frequency converter convenient to disassemble, assemble and maintain according to claim 4, characterized in that: a copper column (8) is arranged between the relay (23) and the drive plate (21), and the relay (23) is communicated with the drive plate (21) through the copper column (8).

6. The frequency converter convenient to disassemble, assemble and maintain according to claim 5, characterized in that: one side of the bottom of the driving plate (21) far away from the copper column (8) is uniformly distributed with a plurality of capacitors (9) along the length direction of the driving plate, a partition plate (10) is vertically arranged on the bottom plate (12), and the partition plate (10) is positioned between the capacitors (9) and is perpendicular to the driving plate (21).

7. The frequency converter convenient to disassemble, assemble and maintain according to claim 6, characterized in that: go up cap (11) curb plate around and splice each other and form, and go up the top cap lock of cap (11) on curb plate all around.

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