CN116759908A - Cabinet body for outdoor high-protection micro-grid converter - Google Patents
Cabinet body for outdoor high-protection micro-grid converter Download PDFInfo
- Publication number
- CN116759908A CN116759908A CN202310082056.5A CN202310082056A CN116759908A CN 116759908 A CN116759908 A CN 116759908A CN 202310082056 A CN202310082056 A CN 202310082056A CN 116759908 A CN116759908 A CN 116759908A
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- China
- Prior art keywords
- plate
- equipment
- area
- cabinet body
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005192 partition Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 2
- 238000010009 beating Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to an outdoor high-protection micro-grid converter cabinet body, which is used for intensively protecting devices which are easy to fatigue and damage by adopting partition design on different functions and tolerance parts in equipment so as to ensure the use stability of the equipment and prolong the service life of the equipment. The method is characterized in that: the equipment shell uses the panel beating casing, realizes equipment waterproof dustproof through panel beating and seal structure, and equipment shell protection level is greater than IP54. The inside of the equipment is mainly divided into 3 functional areas, different areas are separated through the partition boards, and functional devices with different characteristics are installed in different areas so as to protect different devices in the cabinet, thereby improving the performance and the service life of the equipment.
Description
Technical Field
The invention relates to the technical field of power electronics and control, in particular to a cabinet body for an outdoor high-protection micro-grid converter.
Background
The direct-current micro-grid is a micro-grid formed by direct current, is an important component of an intelligent power distribution and utilization system in the future, and has important significance for propelling energy conservation and emission reduction and realizing sustainable development of energy. Compared with an alternating-current micro-grid, the direct-current micro-grid can more efficiently and reliably accommodate distributed photovoltaic renewable energy power generation systems, energy storage units, electric automobiles and other direct-current power loads. With the national 'carbon reaching peak' and 'carbon neutralization' strategic proposal, new energy power generation is rapidly growing as an important point of the development of the energy power field. In the last half of the year, the issue and change commission proposes a new mode of developing distributed photovoltaics on roofs of whole counties (cities and regions), and further promotes the distributed photovoltaics to be fully spread in cities and counties.
Aiming at the pressure caused by the popularization of the photovoltaic rural areas in the whole county and the consumption of the transformer area by the series-connected photovoltaic low-voltage grid connection, the novel comprehensive energy project demand of the integrated optical storage and filling is combined, the AC-DC micro-grid converter product family is designed, the demands of different application scenes are met from 50 kVA-500 kVA (1 MW delay development), the heat resistance of different electric devices is different due to the fact that the heat productivity of the internal electric devices is large, and the heat resistances of the different electric devices are mutually interfered, so that the equipment failure rate is high, and the service life of the equipment is greatly influenced.
Disclosure of Invention
Aiming at the defects and drawbacks of the prior art, the invention provides a cabinet body applied to an outdoor high-protection microgrid converter, the whole machine adopts an integrated and modularized design, and the functional areas are divided in the cabinet body, so that devices with different functions and large tolerance difference in the equipment are installed and managed in a partition mode, and the heat dissipation design is carried out on the different areas in a targeted manner, so that the heat generated by the operation of the equipment can be timely discharged, the influence of the environment on sensitive devices can be greatly reduced, and the service life of the devices is prolonged. The problem of the mutual interference that the electrical components that generate heat and tolerance difference are big in current microgrid converter is placed in same region and is led to is solved. The invention also provides a mounting protection mode of the power conversion module, which solves the problem of insufficient service life of the power unit caused by environmental problems.
The aim of the invention can be achieved by the following technical scheme:
a cabinet body applied to an outdoor high-protection microgrid converter comprises a frame, a front door plate, a rear door plate, a left side plate, a right side plate, a top plate, a bottom plate, a diaphragm plate and a longitudinal diaphragm plate;
the front door plate and the rear door plate are respectively arranged at two ends of the frame along the longitudinal direction, the front door plate is divided into two access doors with sealing structures at the upper part and the lower part, the two access doors can be independently opened and closed, the control screen is arranged on the upper access door, the air inlet is arranged on the lower access door, the three access doors with sealing structures at the upper part and the lower part of the rear door plate are respectively divided into three access doors with sealing structures at the middle part, the three access doors can be independently opened and closed, the air outlets are arranged on the upper access door and the middle access door, and the air inlet is arranged on the lower access door;
the left side plate and the right side plate are respectively arranged at two ends of the frame along the transverse direction, and are fixed on the box body frame through screws;
the top plate and the bottom plate are respectively arranged at two ends of the frame along the vertical direction, the top plate and the bottom plate are welded and fixed on the frame, and hanging rings are arranged at four corners of the top plate and used for hanging equipment;
the longitudinal partition plate is fixed on the frame of the cabinet body along longitudinal welding, and the transverse partition plate is fixed on the frame of the cabinet body along transverse welding to divide the internal space of the cabinet body into three areas: region I, region II, region III;
the area I is positioned at the bottom of the cabinet body, is separated from other areas by a diaphragm plate and is used for installing devices with high tolerance and large heating value, and comprises a reactor, a filter capacitor, an incoming line and an outgoing line, and strong cooling ventilation systems are designed in front of and behind the area to timely discharge the generated heat;
the area II is positioned at the front door plate side and is longitudinally separated from the area III by a longitudinal baffle plate for installing a circuit control device and a power conversion module, and the area is isolated from the outside by using a sealing access door so as to prevent the influence of the outside environment on sensitive devices;
the area III is located at the rear door plate side and is separated from the area II along the longitudinal direction through a longitudinal partition plate and used for heat dissipation of the power conversion module, and the area is provided with a forced cooling ventilation system to timely discharge heat generated by the power conversion module.
Further, the access door is used for installation and later maintenance of equipment in three areas.
Furthermore, the air inlet and the air outlet adopt a grid-shaped design and are used for ventilation and heat dissipation of equipment in the cabinet body.
The beneficial technical effects of the invention are as follows: the device with large heating value and high tolerance is completely separated from the sensitive device with small heating value in space, and the sensitive device is sealed and isolated from the atmospheric environment, so that the influence of the environment on the sensitive device can be greatly reduced, and the service life of the device is prolonged.
Drawings
Fig. 1 is a block diagram of the cabinet of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a rear view of the present invention.
Fig. 4 is a left side view of the present invention.
Fig. 5 is a top view of the present invention.
FIG. 6 is a schematic view of the internal area of the present invention.
Reference numerals: 1 is a lifting ring, 2 is a control screen, 3 is an access door, 4 is an access door, 5 is an air inlet, 6 is an access door, 7 is an access door, 8 is an air outlet, 9 is an access door, 10 is an air inlet, 11 is an access door, 12 is an air outlet, 13 is a power conversion module, 14 direct current wire inlet holes, 15 alternating current wire inlet holes, 16 filter capacitor mounting holes, 18 reactor mounting holes and 19 equipment mounting holes.
Description of the embodiments
The present invention 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 invention 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 invention.
Examples
An embodiment according to the present invention is shown in fig. 1, and includes a frame, a front door panel, a rear door panel, a left side panel, a right side panel, a top panel, a bottom panel, a diaphragm, and a longitudinal diaphragm;
the front door plate and the rear door plate are respectively arranged at two ends of the frame along the longitudinal direction. The front door plate is divided into an access door 2 and an access door 3 with sealing structures from top to bottom as shown in fig. 2, the two access doors can be independently opened and closed, the upper access door 3 is provided with an operation screen 2, the lower access door 4 is provided with an air inlet 5, the rear door plate is divided into three access doors 7, 9 and 11 with sealing structures from top to bottom as shown in fig. 3, the three access doors can be independently opened and closed, the upper access door 7 is provided with an air outlet 8, the middle access door 9 is provided with an air outlet 10, the lower access door 11 is provided with an air inlet 12, the access doors are used for mounting and debugging internal equipment, the air inlet is used for air inlet of a forced cooling ventilation system, and the air outlet is used for air outlet of the forced cooling ventilation system;
the left side plate and the right side plate are transversely arranged at two ends of the frame respectively and have the same structure, and the left side plate and the right side plate are fixed on the box body frame through screws. The bottom of the left side plate is provided with an access door 6 as shown in fig. 4.
The top plate and the bottom plate are respectively arranged at two ends of the frame along the vertical direction, the top plate and the bottom plate are welded and fixed on the frame, as shown in fig. 1, lifting rings 1 are arranged at four corners of the top plate and used for lifting equipment, as shown in fig. 5, a direct current wire inlet hole 14 is arranged on the bottom plate and used for installing a direct current wire inlet, an alternating current wire inlet hole 15 is used for installing an alternating current wire inlet, a filter capacitor installation hole 16 is used for installing a filter capacitor, a reactor installation hole 18 is used for installing a reactor, and an equipment installation hole 19 is used for installing and fixing a converter cabinet body;
as shown in fig. 6, the longitudinal partition plate and the transverse partition plate are fixed in the cabinet body by welding, and divide the internal space of the cabinet body into three areas: region I, region II and region III, wherein the arrow in the figure indicates the wind direction;
the area I is positioned at the bottom of the cabinet body and is separated from other areas through a diaphragm plate, and is used for installing devices with high tolerance and large heating value, the devices comprise a reactor and a filter capacitor, a forced cooling ventilation system is designed in front of and behind the area, an air inlet 5 at the bottom of a front door is used for air inlet, an air outlet 12 at the bottom of a rear door is used for air outlet, and generated heat is discharged in time;
the area II is positioned at the front door plate side and is separated from the area III in the longitudinal direction by a longitudinal baffle plate and is used for installing a circuit control device and a power conversion module, and the area is completely isolated from the outside by using a sealing access door so as to prevent the influence of the outside environment on sensitive devices;
the area III is located on the rear door plate side, is separated from the area II in the longitudinal direction through a longitudinal partition plate and is used for heat dissipation of the power conversion module, the area is designed with a forced cooling ventilation system, air is taken in through the rear door air inlet 10, and air is taken out through the rear door air outlet 8, so that heat generated by the power conversion module is timely discharged.
The above embodiments are illustrative of the specific embodiments of the present invention, and not restrictive, and various changes and modifications may be made by those skilled in the relevant art without departing from the spirit and scope of the invention, so that all such equivalent embodiments are intended to be within the scope of the invention.
Claims (3)
1. A cabinet body for an outdoor high-protection microgrid converter comprises a frame, a front door plate, a rear door plate, a left side plate, a right side plate, a top plate, a bottom plate, a diaphragm plate and a longitudinal diaphragm plate;
the front door plate and the rear door plate are respectively arranged at two ends of the frame along the longitudinal direction, the front door plate is divided into two access doors with sealing structures at the upper part and the lower part, the two access doors can be independently opened and closed, the control screen is arranged on the upper access door, the air inlet is arranged on the lower access door, the three access doors with sealing structures at the upper part and the lower part of the rear door plate are respectively divided into three access doors with sealing structures at the middle part, the three access doors can be independently opened and closed, the air outlets are arranged on the upper access door and the middle access door, and the air inlet is arranged on the lower access door;
the left side plate and the right side plate are respectively arranged at two ends of the frame along the transverse direction, and are fixed on the box body frame through screws;
the top plate and the bottom plate are respectively arranged at two ends of the frame along the vertical direction, the top plate and the bottom plate are welded and fixed on the frame, and hanging rings are arranged at four corners of the top plate and used for hanging equipment;
the longitudinal partition plate is fixed on the frame of the cabinet body along longitudinal welding, and the transverse partition plate is fixed on the frame of the cabinet body along transverse welding to divide the internal space of the cabinet body into three areas: region I, region II, region III;
the area I is positioned at the bottom of the cabinet body, is separated from other areas by a diaphragm plate and is used for installing devices with high tolerance and large heating value, and comprises a reactor, a filter capacitor, an incoming line and an outgoing line, and strong cooling ventilation systems are designed in front of and behind the area to timely discharge the generated heat;
the area II is positioned at the front door plate side and is longitudinally separated from the area III by a longitudinal baffle plate for installing a circuit control device and a power conversion module, and the area is isolated from the outside by using a sealing access door so as to prevent the influence of the outside environment on sensitive devices;
the area III is located at the rear door plate side and is separated from the area II along the longitudinal direction through a longitudinal partition plate and used for heat dissipation of the power conversion module, and the area is provided with a forced cooling ventilation system to timely discharge heat generated by the power conversion module.
2. The cabinet for an outdoor high protection microgrid converter according to claim 1, wherein said access door is used for installation and post-maintenance of equipment in three areas.
3. The cabinet for the outdoor high-protection microgrid converter according to claim 1, wherein the air inlet and the air outlet are in a grid-shaped design and are used for ventilation and heat dissipation of equipment in the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310082056.5A CN116759908A (en) | 2023-02-08 | 2023-02-08 | Cabinet body for outdoor high-protection micro-grid converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310082056.5A CN116759908A (en) | 2023-02-08 | 2023-02-08 | Cabinet body for outdoor high-protection micro-grid converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116759908A true CN116759908A (en) | 2023-09-15 |
Family
ID=87959623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310082056.5A Pending CN116759908A (en) | 2023-02-08 | 2023-02-08 | Cabinet body for outdoor high-protection micro-grid converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116759908A (en) |
-
2023
- 2023-02-08 CN CN202310082056.5A patent/CN116759908A/en active Pending
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