CN219592266U - High-voltage variable-frequency power unit control box - Google Patents
High-voltage variable-frequency power unit control box Download PDFInfo
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- CN219592266U CN219592266U CN202320552376.8U CN202320552376U CN219592266U CN 219592266 U CN219592266 U CN 219592266U CN 202320552376 U CN202320552376 U CN 202320552376U CN 219592266 U CN219592266 U CN 219592266U
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- frequency power
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- voltage variable
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Abstract
The utility model discloses a control box of a high-voltage variable-frequency power unit, which comprises a box body, two guide rail slots and a panel, wherein one side surface of the box body is provided with a first opening; two guide rail slots are respectively and fixedly arranged on two inner walls of the box body positioned at two sides of the first opening, and two side ends of the control board can be respectively inserted into the two guide rail slots in a sliding way; a panel is removably secured to the first opening and the panel and the opposite side thereof cooperate to clamp the control panel. In the high-voltage variable-frequency power unit control box, be located on the box body first open-ended both sides inner wall is fixed respectively and is provided with the guide rail slot for the both sides tip of control panel can slide respectively and insert two in the guide rail slot, the quick installation and the dismantlement of the control panel of being convenient for, and the panel can cooperate with rather than the opposite side in order to press from both sides tight control panel, can avoid the control panel to take place the drunkenness in the guide rail slot.
Description
Technical Field
The utility model relates to the technical field of high-voltage variable-frequency power unit installation, in particular to a control box of a high-voltage variable-frequency power unit.
Background
The power unit is a core part in various high-voltage variable-frequency products, and as a core, the power unit not only meets the combined function conditions of all electric appliance units and the inherent requirements of a cabinet body, but also is convenient for workers to install during assembly. Some power units in high-voltage frequency converters are required to be internally provided with a control box, which is called a unit control box, due to the requirements of the structure and the practical environment.
The patent application number 202122925170.9 discloses a control box, including box body, control panel and power parallel operation board, does not disclose the specific structure of box body in this scheme, and generally, the control panel passes through the fix with screw setting in the box body, is inconvenient for the quick installation and the dismantlement of control panel.
Disclosure of Invention
The utility model aims to overcome the technical defects, and provides a control box for a high-voltage variable-frequency power unit, which solves the technical problems that a control board in a power unit is fixed in the control box by a screw in the prior art, and the control board is inconvenient to install and detach quickly.
In order to achieve the technical purpose, the technical scheme of the utility model provides a high-voltage variable-frequency power unit control box, which comprises:
a box body, one side of which is provided with a first opening;
the two guide rail slots are respectively and fixedly arranged on the two inner walls of the box body positioned at the two sides of the first opening, and the two side ends of the control board can be respectively inserted into the two guide rail slots in a sliding way;
a panel is removably secured to the first opening and is engageable with the opposite side thereof to clamp the control panel.
Further, the high-voltage variable-frequency power unit control box further comprises a first folded edge and a first screw, wherein the first folded edge is formed on two sides of the first opening and on the box body, the panel and the first folded edge are provided with first threaded holes at corresponding positions, and the first screw is installed in the first threaded holes and is used for fixedly connecting the panel and the first folded edge.
Further, the first screw is a screw with a knurled head which is not separated from the screw.
Further, the high-voltage variable-frequency power unit control box further comprises a plurality of supporting blocks fixedly arranged on the inner wall of the panel, and the front end of the control board is fixedly connected with the supporting blocks in a detachable mode.
Further, the high-voltage variable-frequency power unit control box further comprises a second screw, and the supporting block is fixedly connected with the control board through the second screw.
Further, a slot is formed in the support block, and the front end of the control board is movably inserted into the slot; the front end of supporting shoe with the control panel has still seted up the second screw hole, second screw is installed to the second screw hole, the second screw passes the supporting shoe with the control panel is in order to fix the front end of control panel in the slot of supporting shoe.
Further, the high-voltage variable frequency power unit control box further comprises a second folded edge, a second opening is formed in the side face, opposite to the first opening, of the box body, and the second folded edge is formed on two sides of the second opening and on the box body.
Further, the high-voltage variable-frequency power unit control box further comprises an insulating partition plate, a third opening is formed in the bottom of the box body, and the insulating partition plate is detachably and fixedly arranged at the third opening.
Further, the high-voltage variable frequency power unit control box further comprises a third folded edge, the two sides of the third opening are respectively provided with the third folded edge on the box body, and the insulating partition plate is detachably and fixedly connected with the third folded edge.
Further, the high-voltage variable-frequency power unit control box further comprises a third screw, and the insulating partition plate is fixedly connected with the third folded edge through the third screw.
Compared with the prior art, the utility model has the beneficial effects that:
in the high-voltage variable-frequency power unit control box, be located on the box body first open-ended both sides inner wall is fixed respectively and is provided with the guide rail slot for the both sides tip of control panel can slide respectively and insert two in the guide rail slot, the quick installation and the dismantlement of the control panel of being convenient for, and the panel can cooperate with rather than the opposite side in order to press from both sides tight control panel, can avoid the control panel to take place the drunkenness in the guide rail slot.
Drawings
Fig. 1 is a schematic structural diagram of a control box of a high-voltage variable-frequency power unit at a first view angle;
fig. 2 is a schematic structural diagram of a control box of a high-voltage variable-frequency power unit at a second view angle according to the present utility model;
FIG. 3 is a schematic view of the structure of FIG. 1 with the panel removed;
FIG. 4 is a schematic view of the connection structure of the control board and the panel in this embodiment;
fig. 5 is an enlarged schematic view of a portion a in fig. 4.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides a high-voltage variable-frequency power unit control box, which is shown in fig. 1 and 2, and comprises a box body 1, two guide rail slots 2 and a panel 3, wherein one side surface of the box body 1 is provided with a first opening;
the two guide rail slots 2 are respectively and fixedly arranged on the two inner walls of the box body 1 positioned at the two sides of the first opening, and the two side ends of the control board 100 can be respectively and slidably inserted into the two guide rail slots 2;
the panel 3 is detachably fixedly disposed at the first opening, and the panel 3 and a side opposite thereto may cooperate to clamp the control board 100.
In the high-voltage variable-frequency power unit control box, be located on the box body 1 the both sides inner wall of first open-ended is fixed respectively and is provided with guide rail slot 2 for the both sides tip of control panel 100 can slide respectively and insert two in the guide rail slot 2, the quick installation and the dismantlement of control panel 100 of being convenient for detect and maintain control panel 100, and panel 3 and rather than the opposite side can cooperate the effect in order to press from both sides tight control panel 100 can avoid control panel 100 to take place the drunkenness in guide rail slot 2.
In order to reduce the weight, the main structures (such as the box body 1 and the panel 3) of the control box of the high-voltage variable-frequency power unit in the embodiment are all made of aluminum alloy materials.
In order to realize the installation of the panel 3 on the box body 1, please refer to fig. 3, as a preferred embodiment, the high-voltage variable-frequency power unit control box further includes a first flange 4 and a first screw 5, the two sides of the first opening are fixedly provided with the first flange 4 on the box body 1, the panel 3 and the first flange 4 are provided with first threaded holes at corresponding positions, and the first screw 5 is installed in the first threaded holes, so as to fixedly connect the panel 3 and the first flange 4.
In order to facilitate the taking and placing of the panel 3 and the control board 100, the first screw 5 is a head of a knurling screw not to be separated from the screw as a preferred embodiment.
It will be appreciated that, since the first screw 5 is a head-non-slip screw, the head-non-slip screw can be handled when the panel 3 and the control board 100 are taken, facilitating the application of force.
In order to realize the connection between the control board 100 and the panel 3, referring to fig. 4, as a preferred embodiment, the high-voltage variable-frequency power unit control box further includes a plurality of support blocks 6 fixedly disposed on the inner wall of the panel 3, and the front end of the control board 100 is detachably and fixedly connected with the support blocks 6.
Specifically, in order to achieve the detachable connection between the control board 100 and the support block 6, as shown in fig. 5, which is a partially enlarged schematic view of fig. 4, as a preferred embodiment, the high-voltage variable frequency power unit control box further includes a second screw 7, and the support block 6 is fixedly connected to the control board 100 through the second screw 7.
Further, in order to improve the connection stability between the control board 100 and the support block 6, as a preferred embodiment, a slot 60 is formed on the support block 6, and the front end of the control board 100 is movably inserted into the slot 60; the front ends of the support block 6 and the control board 100 are further provided with second threaded holes, the second threaded holes are internally provided with second screws 7, and the second screws 7 penetrate through the support block 6 and the control board 100 to fix the front ends of the control board 100 in the slots 60 of the support block 6.
In order to reduce the weight of the control box, please continue to refer to fig. 2, as a preferred embodiment, the high-voltage variable frequency power unit control box further includes a second flange 8, a side surface of the box body 1 opposite to the first opening is provided with a second opening, and the second flange 8 is formed on both sides of the second opening and on the box body 1.
Since the back surface of the control board 100 has many welding points, and the back surface of the control board 100 is installed towards the bottom of the box body 1 when the control board 100 is installed, in order to avoid the discharge phenomenon between the welding points on the back surface of the control board 100 and the box body of the power unit, as a preferred embodiment, the control box for the high-voltage variable-frequency power unit further comprises an insulating partition 9, the bottom of the box body 1 is further provided with a third opening, and the insulating partition 9 is detachably and fixedly arranged at the third opening.
In order to facilitate the installation of the insulating partition 9 at the bottom of the box body 1, please continue to refer to fig. 3, as a preferred embodiment, the high-voltage variable frequency power unit control box further includes a third folded edge 10, the two sides of the third opening are both formed with the third folded edge 10 on the box body 1, and the insulating partition 9 is detachably and fixedly connected with the third folded edge 10.
As a specific embodiment, the high-voltage variable-frequency power unit control box further includes a third screw 11, and the insulating partition 9 is fixedly connected with the third flange 10 through the third screw 11.
For a convenient understanding of the present utility model, the following details of the working principle of the present solution are described with reference to fig. 1 to 5:
when the control board 100 is installed, the front end of the control board 100 is firstly inserted into the slot 60 of the supporting block 6 on the panel 3, and then the second screw 7 is installed in the second threaded hole so as to fix the control board 100 and the supporting block 6;
then, inserting the two sides of the distal end of the control board 100 into the two guide rail slots 2 positioned on the inner walls of the two sides of the box body 1 respectively, pushing the panel 3 until the distal end of the control board 100 abuts against the inner walls of the two second folded edges 8, at this time, the inner walls of the panel 3 are attached to the first folded edges 4, screwing the first screw 5, and fixing the panel 3 at the first opening of the front end of the box body 1 by using the first screw 5;
and then, the insulating partition 9 is fixedly connected with the third folded edge 10 through the third screw 11, so that the insulating partition 9 is fixedly arranged at a third opening at the bottom of the box body 1.
When the high-voltage variable-frequency power unit control box is installed in the box body of the power unit, the high-voltage variable-frequency power unit control box is installed at the corner in the box body of the power unit, and the second opening and the third opening of the high-voltage variable-frequency power unit control box are respectively attached to the side wall and the bottom surface of the box body of the power unit, so that the high-voltage variable-frequency power unit control box, the bottom surface and the side surface of the box body of the power unit are jointly surrounded to form a metal-enclosed space, the control board 100 is positioned in the space to shield interference signals of the outside to the control board 100, and the reliability of the control board 100 in special environments (high-frequency electric furnaces, high-frequency welding machines and the like) is improved; the control board 100 communicates with the main control system through optical fibers to control the power unit.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.
Claims (10)
1. A high voltage variable frequency power unit control box, comprising:
a box body, one side of which is provided with a first opening;
the two guide rail slots are respectively and fixedly arranged on the two inner walls of the box body positioned at the two sides of the first opening, and the two side ends of the control board can be respectively inserted into the two guide rail slots in a sliding way;
a panel is removably secured to the first opening and is engageable with the opposite side thereof to clamp the control panel.
2. The high-voltage variable-frequency power unit control box according to claim 1, further comprising a first folded edge and a first screw, wherein the first folded edge is formed on two sides of the first opening and on the box body, first threaded holes are formed in the panel and the first folded edge at corresponding positions, and the first screw is installed in the first threaded holes and used for fixedly connecting the panel and the first folded edge.
3. The high voltage variable frequency power unit control box of claim 2 wherein the first screw is a knurled head non-backing screw.
4. The control box of a high-voltage variable-frequency power unit according to claim 1, further comprising a plurality of supporting blocks fixedly arranged on the inner wall of the panel, wherein the front end of the control board is detachably and fixedly connected with the supporting blocks.
5. The high voltage variable frequency power unit control box of claim 4, further comprising a second screw, wherein the support block is fixedly connected to the control board by the second screw.
6. The control box of the high-voltage variable-frequency power unit according to claim 5, wherein the supporting block is provided with a slot, and the front end of the control board is movably inserted in the slot; the front end of supporting shoe with the control panel has still seted up the second screw hole, second screw is installed to the second screw hole, the second screw passes the supporting shoe with the control panel is in order to fix the front end of control panel in the slot of supporting shoe.
7. The control box of a high voltage variable frequency power unit according to claim 1, further comprising a second flange, wherein a side of the box body opposite to the first opening is provided with a second opening, and the second flange is formed on both sides of the second opening and on the box body.
8. The high-voltage variable-frequency power unit control box according to claim 1, further comprising an insulating partition plate, wherein a third opening is formed in the bottom of the box body (1), and the insulating partition plate is detachably and fixedly arranged at the third opening.
9. The control box of a high-voltage variable frequency power unit according to claim 8, further comprising a third folded edge, wherein the third folded edge is formed on two sides of the third opening and on the box body, and the insulating partition is detachably and fixedly connected with the third folded edge.
10. The high voltage variable frequency power unit control box of claim 9, further comprising a third screw, wherein the insulating spacer is fixedly connected to the third flange by the third screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320552376.8U CN219592266U (en) | 2023-03-20 | 2023-03-20 | High-voltage variable-frequency power unit control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320552376.8U CN219592266U (en) | 2023-03-20 | 2023-03-20 | High-voltage variable-frequency power unit control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219592266U true CN219592266U (en) | 2023-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320552376.8U Active CN219592266U (en) | 2023-03-20 | 2023-03-20 | High-voltage variable-frequency power unit control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219592266U (en) |
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2023
- 2023-03-20 CN CN202320552376.8U patent/CN219592266U/en active Active
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