CN220492843U - 4.16KV variable frequency cabinet structure capable of being pulled out and expanded from control room - Google Patents
4.16KV variable frequency cabinet structure capable of being pulled out and expanded from control room Download PDFInfo
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- CN220492843U CN220492843U CN202321806845.0U CN202321806845U CN220492843U CN 220492843 U CN220492843 U CN 220492843U CN 202321806845 U CN202321806845 U CN 202321806845U CN 220492843 U CN220492843 U CN 220492843U
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- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- 230000033228 biological regulation Effects 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model provides a 4.16KV variable frequency cabinet structure capable of being pulled out and expanded from a control room, which comprises the following layout structures: one side of the cabinet body is a control room, the upper part of the other side is a power unit, and the lower part is a transformer. The control room be the extractable expansion structure, including extractable expansion box and slide, the slide install on the cabinet body, the extractable expansion box is installed on the slide, the extractable expansion box includes bottom plate, back plate, left side board and right side board, bottom plate and back plate fixed connection, left side board and right side board pass through hinged joint with the back plate. The unique extractable control room structure solves the difficulty of maintaining or replacing control components in the cabinet.
Description
Technical Field
The utility model relates to the technical field of high-voltage frequency conversion, in particular to a 4.16KV frequency conversion cabinet structure with an extractable expansion control room.
Background
With the rapid development of modern power electronics technology and computer control technology, the technical revolution of electric transmission is promoted. The alternating current speed regulation replaces the direct current speed regulation, and the computer digital control replaces the analog control to become the development trend. The variable frequency speed regulation of the alternating current motor is a main means for saving electric energy, improving the production process flow, improving the product quality and improving the running environment. Variable frequency speed regulation is regarded as the most promising speed regulation mode from domestic and foreign countries by virtue of the advantages of high efficiency, high power factor, excellent speed regulation and starting and braking performance and the like.
Taking the existing conventional frequency conversion cabinet structural scheme as an example, the following problems generally exist:
in the scheme of the existing 4.16KV capacity variable frequency cabinet, the occupied space is larger generally. The transformer cabinet, the power cabinet and the control cabinet generally form a complete variable frequency equipment cabinet body. Which is very disadvantageous for transportation and field installation. In terms of maintenance, such as where individual components are damaged, it is often necessary to reserve space behind the cabinet or sufficient space in the cabinet for maintenance to replace the components. The space in the cabinet is narrow, the illumination is poor, the maintenance is inconvenient, and the maintenance cost and the maintenance time are increased intangibly. If enough maintenance space in the cabinet is ensured, the size of the cabinet body needs to be enlarged, and the manufacturing cost is increased.
Disclosure of Invention
In order to solve the technical problems in the background technology, the utility model provides a 4.16KV variable frequency cabinet body structure of a withdrawable and expandable control room, and the difficulty of maintaining or replacing control components in the cabinet is solved through a unique withdrawable control room structure.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
a4.16 KV variable frequency cabinet structure of a extractable expansion control room is characterized in that the layout structure of the cabinet is as follows: one side of the cabinet body is a control room, the upper part of the other side is a power unit, and the lower part is a transformer.
The control room be the extractable expansion structure, including extractable expansion box and slide, the slide install on the cabinet body, the extractable expansion box is installed on the slide, the extractable expansion box includes bottom plate, back plate, left side board and right side board, bottom plate and back plate fixed connection, left side board and right side board pass through hinged joint with the back plate.
Further, the extractable expansion box body further comprises a front fixing rod, and the front fixing rod is connected between the left side plate and the right side plate after the extractable expansion box body is folded.
Further, the extractable expansion structure of the control room further comprises a rear baffle plate, wherein the rear baffle plate is arranged on the cabinet body and positioned at the rear part of the slideway and used for limiting the sliding position of the extractable expansion box body at the rear part.
Further, the extractable and expandable structure of the control room further comprises a front baffle, and when the extractable and expandable box body is inserted into the slideway, the front baffle is arranged on the cabinet body to block the front end of the extractable and expandable box body.
Further, the power unit front be provided with the air vent door, the transformer front be provided with down the air vent door, cabinet body top still be equipped with one-way air-out centrifugal fan.
Further, the top of the cabinet body is also provided with a power unit pressure relief plate and a transformer pressure relief plate.
Further, the cabinet body in be equipped with the output terminal row and the input terminal row of converter, the output terminal row and the input terminal row of converter are all integrated on the transformer body.
Compared with the prior art, the utility model has the beneficial effects that:
1) The unique extractable control room structure designed by the utility model solves the difficulty of maintaining or replacing control components in the cabinet. When the control components are required to be replaced or maintained, the extractable and expandable box body of the control room can be totally extracted from the cabinet body, and can be totally expanded into a flat plate after being extracted from the cabinet, so that the maintenance is convenient. And when large-scale modulus is produced, the control device and the assembly cabinet body can be installed at the same time, so that the production efficiency is greatly improved.
2) The cabinet body designed by the utility model has compact structural layout and small appearance, and is far smaller than the products of the constant volume section in the appearance dimension. The wall installation behind the cabinet can be realized to this design, need not the cabinet back maintenance space. All devices can be maintained or replaced on the front surface of the cabinet body.
3) The existing air-cooled variable-frequency cabinet heat dissipation mode is usually independent, namely the independent fan of the transformer cabinet dissipates heat, and the independent fan of the power cabinet dissipates heat. It is necessary to make separate heat dissipation air channels. The heat dissipation channel of the fan exhaust is also commonly used as a pressure relief channel of the cabinet body. If an emergency occurs, the generated arc, spark, high temperature and pressure relief airflow are likely to damage the fan body structure, and the cabinet body designed by the utility model has a unique air cooling heat dissipation mode: the upper inlet through door is adopted to enter the air through the power unit, the lower inlet through door is adopted to enter the air through the coil of the transformer, and the converged hot air is discharged out of the cabinet by the unidirectional air outlet centrifugal fan at the top of the cabinet body, so that the aim of simultaneously cooling the power unit and the transformer is fulfilled.
4) The transformer and the power unit designed by the utility model are provided with independent pressure relief channels. When an arc is generated due to sudden faults, the impact air pressure in the cabinet body can be used for removing the outside of the cabinet body from the top of the cabinet body, so that the safety of operators at the operation side is ensured.
5) The transformer appearance of this design has also made the intensive design, with the output terminal row and the input terminal row of converter all integrate on the transformer body, support through the insulating beam and guarantee intensity, saved the switching cable to the internal space of effectual saving cabinet.
Drawings
FIG. 1 is a front view of the structure of a 4.16KV variable frequency cabinet body of the extractable and expandable control room;
FIG. 2 is a side view of the 4.16KV variable frequency cabinet with the drawable and expandable control chamber;
FIG. 3 is a top view of the 4.16KV variable frequency cabinet with the drawable and expandable control chamber;
FIG. 4 is a hidden door panel view of the variable frequency cabinet of the present utility model;
FIG. 5 is a view in the B direction of FIG. 4;
FIG. 6 is a view of the control room of the cabinet of the present utility model as a whole being drawn out of the cabinet;
FIG. 7 is a diagram of the control room extractable and expandable box and chute and tailgate defining positions of the present utility model;
FIG. 8 is a slideway diagram of the present utility model;
FIG. 9 is an expanded view of the control room extractable and expandable tank of the present utility model;
FIG. 10 is a view showing the construction of the exterior of the control room extractable and expandable casing of the present utility model;
FIG. 11 is a view of the connection hinge of the extractable and expandable casing of the present utility model;
FIG. 12 is a limiting aperture view of the extractable and expandable casing of the present utility model;
FIG. 13 is a front baffle view of the extractable and expandable tank of the present utility model;
FIG. 14 is a view of a relief plate according to the present utility model;
fig. 15 is a diagram of a transformer of the present utility model.
In the figure: 1-a control room door 2-an upper ventilation door 3-a lower ventilation door 4-a unidirectional air outlet centrifugal fan 5-a transformer pressure relief plate 6-a power unit pressure relief plate 7-a control room 8-a power unit 9-a transformer 10-an extractable expansion box 11-a slide way 12-a rear baffle 13-a counter bore 14-a locating pin 15-a bottom plate 16-a rear plate 17-a left side plate 18-a right side plate 19-a front fixing rod 20-a hinge 21-a limiting hole 22-a front baffle 23-a nylon bolt 24-an output terminal row 25-an input terminal row.
Detailed Description
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
as shown in fig. 1-15, a 4.16KV variable frequency cabinet structure of a extractable and expandable control room, the layout structure of the cabinet is as follows: one side of the cabinet body is provided with a control room 7, the upper part of the other side is provided with a power unit 8, and the lower part is provided with a transformer 9.
The control room 7 is of a extractable expansion structure and comprises an extractable expansion box body 10 and a slideway 11, the slideway 11 is arranged on a cabinet body, the extractable expansion box body 10 is arranged on the slideway 11, the extractable expansion box body 10 comprises a bottom plate 15, a rear plate 16, a left side plate 17 and a right side plate 18, the bottom plate 15 is fixedly connected with the rear plate 16, and the left side plate 17 and the right side plate 18 are connected with the rear plate 16 through hinges 20.
When the extractable and expandable case 10 is folded, the bottom plate 15, the rear plate 16, the left side plate 17, and the right side plate 18 form a square case structure. When the retractable and expandable casing 10 is expanded, the bottom plate 15 and the rear plate 16 are not moved, and the left side plate 17 and the right side plate 18 are expanded to the outside, so that the retractable and expandable casing can be expanded to a plane with the rear plate 16 at maximum.
The control room 7 is designed into a extractable and expandable structure, so that the control room can be extracted to the outside of the cabinet body for installation and wiring, the installation and wiring of control devices and the installation of primary components in the cabinet body can be simultaneously carried out, and when the installation and wiring of the control devices are completed, an expanded control panel is refolded and then inserted into the cabinet body; when the extractable and expandable box 10 is inserted into the cabinet, the extractable and expandable box can be attached to the air cavity of the space of the power unit 8 through the rear limit baffle (the rear baffle 12) to prevent the air flow of the power chamber from leaking.
In this embodiment, the extractable and expandable casing 10 further includes a front fixing rod 19, and after the extractable and expandable casing 10 is folded, the front fixing rod 19 can be connected between the upper ends of the left side plate 17 and the right side plate 18 for fixing.
In this embodiment, the extractable and expandable structure of the control room 7 further includes a back baffle 12, where the back baffle 12 is installed on the cabinet body and located at the rear of the slideway 11, and the back baffle 12 is a hollow frame structure, and is used for limiting the sliding position of the extractable and expandable box 10 at the rear, and can be attached to the wind cavity of the power unit 8. The extractable and expandable case 10 defines a left-right position by left-right slides 11 and a rear position by a rear baffle 12.
In this embodiment, the left and right slide ways 11 are of an L angle steel structure, and the fixing holes of the left and right slide ways 11 are all opened into counter bores 13, so that the fastening screw is prevented from obstructing the extractable expansion type box 10 in the extraction or pushing process.
The left side plate 17, the right side plate 18 and the back of the back plate 16 of the extractable and expandable box body 10 are fixedly connected by adopting a hinge 20, and limit holes 21 are formed on the left and right sides of the bottom and are used for being matched and limited with the locating pins 14 of the left and right slide ways 11.
After the withdrawable and expandable box 10 is withdrawn from the cabinet, the cabinet can be generally expanded to mount and distribute control devices, so that the problems of poor illumination in the cabinet, limited space and the like are solved. When the large-scale production is carried out, the production period can be effectively saved.
After the bottom of the extractable expansion box body 10 is inserted into the cabinet body through the slideway 11, the limit hole 21 at the rear part is matched with the locating pin 14 of the slideway 11 to be limited and fixed.
In this embodiment, the extractable and expandable structure of the control room 7 further includes a front baffle 22, and when the extractable and expandable box 10 is inserted into the slide 11, the front baffle 22 is mounted on the cabinet to block the front end of the extractable and expandable box 10. The front baffle 22 with the added top is connected with the cabinet body frame, so that the installation strength of the control room 7 is ensured, and the utility model is safer and more reliable during hoisting or transportation.
In this embodiment, be provided with in front of power unit 8 and go up ventilation door 2, be provided with in front of transformer 9 and blow down door 3, cabinet body top sets up one-way air-out centrifugal fan 4, adopts last ventilation door 2 air inlet to pass through power unit 8, adopts down the coil that ventilation door 3 air inlet passed through transformer 9, and the hot air after converging is outside being discharged the cabinet by cabinet body top one-way air-out centrifugal fan 4, reaches the purpose of cooling down simultaneously for power unit 8 and transformer 9.
In this embodiment, the top of the cabinet body is further provided with a power unit pressure release plate 6 and a transformer pressure release plate 5. The front end of the pressure release plate is all fixed by nylon bolts 23 and the other end is fixed by metal bolts. In an emergency, the pressure inside the cabinet body can break the pressure release plate, and the nylon bolts 23 are released outside the cabinet after failure. Ensuring the personal safety of the operation and maintenance personnel in front of the cabinet.
In this embodiment, the cabinet body is provided with an output terminal strip 24 and an input terminal strip 25 of the frequency converter, and the output terminal strip 24 and the input terminal strip 25 of the frequency converter are integrated on the body of the transformer 9. The strength is guaranteed through the insulating beam support, so that the transfer cable is saved, and the internal space of the cabinet is effectively saved.
In the above embodiments, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the azimuth or positional relationship based on the azimuth or positional relationship shown in the drawings. These terms are used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
The above examples are implemented on the premise of the technical scheme of the present utility model, and detailed implementation manners and specific operation processes are given, but the protection scope of the present utility model is not limited to the above examples. All other embodiments, which can be made by those skilled in the art without the inventive effort, are intended to be within the scope of the present utility model.
Claims (7)
1. The utility model provides a 4.16KV frequency conversion cabinet body structure of withdrawable expansion control room which characterized in that, the overall arrangement structure of cabinet body is: one side of the cabinet body is a control room, the upper part of the other side is a power unit, and the lower part is a transformer;
the control room be the extractable expansion structure, including extractable expansion box and slide, the slide install on the cabinet body, the extractable expansion box is installed on the slide, the extractable expansion box includes bottom plate, back plate, left side board and right side board, bottom plate and back plate fixed connection, left side board and right side board pass through hinged joint with the back plate.
2. The 4.16KV frequency conversion cabinet structure of the extractable expansion control room according to claim 1, wherein the extractable expansion cabinet further comprises a front fixing rod, and the front fixing rod is connected to the upper end between the upper ends of the left side plate and the right side plate after the extractable expansion cabinet is folded.
3. The 4.16KV frequency conversion cabinet structure of the extractable expansion control room of claim 1, wherein the extractable expansion structure of the control room further comprises a rear baffle plate, the rear baffle plate is installed on the cabinet body and is located at the rear of the slideway for performing rear limit on the sliding position of the extractable expansion cabinet body.
4. The 4.16KV frequency conversion cabinet structure of the extractable expansion control room according to claim 1, wherein the extractable expansion structure of the control room further comprises a front baffle plate, and the front baffle plate is mounted on the cabinet body to block the front end of the extractable expansion cabinet body after the extractable expansion cabinet body is inserted into the slideway.
5. The 4.16KV variable frequency cabinet structure of the extractable expansion control room according to claim 1, wherein an upper ventilation door is arranged in front of the power unit, a lower ventilation door is arranged in front of the transformer, and a unidirectional air outlet centrifugal fan is further arranged at the top of the cabinet.
6. The 4.16KV variable frequency cabinet structure of the extractable expansion control room of claim 1, wherein the top of the cabinet is also provided with a power unit pressure release plate and a transformer pressure release plate.
7. The 4.16KV frequency conversion cabinet structure of the extractable expansion control room according to claim 1, wherein the cabinet body is internally provided with an output terminal row and an input terminal row of a frequency converter, and the output terminal row and the input terminal row of the frequency converter are integrated on a transformer body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321806845.0U CN220492843U (en) | 2023-07-11 | 2023-07-11 | 4.16KV variable frequency cabinet structure capable of being pulled out and expanded from control room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321806845.0U CN220492843U (en) | 2023-07-11 | 2023-07-11 | 4.16KV variable frequency cabinet structure capable of being pulled out and expanded from control room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220492843U true CN220492843U (en) | 2024-02-13 |
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ID=89838978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321806845.0U Active CN220492843U (en) | 2023-07-11 | 2023-07-11 | 4.16KV variable frequency cabinet structure capable of being pulled out and expanded from control room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220492843U (en) |
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2023
- 2023-07-11 CN CN202321806845.0U patent/CN220492843U/en active Active
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