CN220493425U - Compact air-cooled rectifying device - Google Patents
Compact air-cooled rectifying device Download PDFInfo
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- CN220493425U CN220493425U CN202321879247.6U CN202321879247U CN220493425U CN 220493425 U CN220493425 U CN 220493425U CN 202321879247 U CN202321879247 U CN 202321879247U CN 220493425 U CN220493425 U CN 220493425U
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- 238000001816 cooling Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
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- 238000011161 development Methods 0.000 description 1
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- 230000017525 heat dissipation Effects 0.000 description 1
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Abstract
The utility model belongs to the field of power electronic current transformation, and relates to a compact air-cooled rectifying device, which comprises a cabinet body, a fan arranged at the top of the cabinet body, and a transition air duct and an inner air duct which are respectively arranged in the cabinet body from top to bottom, wherein the inner air duct is formed by combining an air duct framework, a pulse compartment and a wind pressure regulating and controlling component; the air duct framework is also provided with a plurality of power unit components through the unit fixing components, and the air duct framework improves reliability, facilitates assembly and manufacture, meets insulation requirements, saves raw materials, reduces device cost, improves processing and maintenance efficiency, and enhances the overall aesthetic degree of the device on the premise of meeting electrical performance.
Description
Technical Field
The utility model belongs to the field of power electronic current transformation, and relates to a compact air-cooled rectifying device.
Background
With the development of power electronics technology, in order to provide a strong dc power supply for a motor, a thyristor rectifier is often adopted in a rectifying device in the market at present, that is, high-voltage ac power of a power grid is converted into a dc power supply through a rectifier based on a thyristor. The appearance of the thyristor rectifying element also provides possibility for the large-scale, centralized and high-capacity and high-reliability rectifier. In the past, five sets and six sets of parallel connection are needed, and the parallel connection can be completed by one set and two sets, so that the structure of the equipment is greatly simplified, the operation maintenance amount is reduced, and the operation reliability is further improved. Such high performance thyristor rectifying elements must be equipped with a heat sink of comparable capacity to ensure optimum operation and maximum effectiveness. The structural design of the high-power rectifying device is various, and different structural layouts have great influence on the circuit distribution parameters, reliability, heat dissipation performance and the like of the high-power rectifying device. Unreasonable structural design not only influences the electrical property, the reliability and the heat dispersion of device, reduces assembly efficiency, causes the raw and other materials extravagant, leads to later stage processing maintenance inconvenient moreover, also influences holistic succinct, aesthetic measure simultaneously.
Disclosure of Invention
In view of the above, the present utility model provides a simple, optimized and reliable compact air-cooled rectifying device based on the conventional rectifying device circuit topology structure, which improves reliability, facilitates assembly and manufacture, meets insulation requirements, saves raw materials, reduces device cost, improves processing and maintenance efficiency, and enhances the overall aesthetic degree of the device on the premise of meeting electrical performance.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the compact air-cooled rectifying device comprises a cabinet body, a fan arranged at the top of the cabinet body, and a transition air duct and an inner air duct which are respectively arranged in the cabinet body from top to bottom, wherein the inner air duct is formed by combining an air duct framework, a pulse compartment and an air pressure regulating and controlling component; the air duct framework is also provided with a plurality of power unit components through the unit fixing components.
Optionally, the unit fixing component comprises a sliding rail and a sliding block, and the sliding block is arranged in the sliding rail and is connected with the bottom of the power unit component; the power unit component is guided by the sliding rail and the sliding block of the unit fixing component, positioned by the rear inserting holes of the sliding block and the sliding rail, and finally fastened through the front screw holes of the guide rails.
Optionally, the air duct framework is further provided with an outgoing line switching row and an incoming line switching row which are connected with the power unit component, and connection points of the outgoing line switching row and the incoming line switching row are located on the outer side of the air duct in the cabinet and are installed by using round head square neck bolts.
Optionally, the air duct skeleton, the unit fixing assembly and the wind pressure regulating assembly are provided with air holes, and the air holes are determined after calculation and simulation, so that the power unit assembly is cooled through all devices needing cooling and maximally utilizing the radiator fins under the condition that the air quantity is enough.
Optionally, the air duct framework is provided with insulating sealing plates at the front and back, so that good sealing and insulating properties can be ensured, and debugging personnel can observe the working conditions of all devices of the device conveniently.
Optionally, 6 power unit components are installed on the air duct framework, the front and the rear of the rectification are in one phase, the left and the right of the rectification are in ABC three phases in sequence, the front and the rear of the rectification are respectively in direct current positive and negative two groups, and the whole device is simple and convenient for field installation debugging personnel to understand and maintain.
Optionally, a pulse control board is fixedly installed in the pulse compartment, so that the power unit is convenient to install and debug, and heating and floating of the circuit board by the power unit are avoided, and dust deposition on the circuit board is avoided.
Optionally, a busbar outlet and a busbar inlet which are communicated with the power unit component are further arranged below the air duct framework.
The utility model has the beneficial effects that:
1) The compact air-cooled rectifying device has the advantages that the fan is positioned on the cabinet top, is firmly fixed with the cabinet body, the air channel and the air channel formed by the components, reduces vibration and noise, and avoids the defect of circulating heating caused by hot air from the suction device when the utilization rate of the space in the cabinet is improved due to the fact that the fan is positioned on the cabinet top;
2) The utility model relates to a compact air-cooled rectifying device, which is provided with 6 necessary power unit components in an air duct, wherein the front and rear of the rectifying device are in one phase, ABC three phases are sequentially arranged from left to right, the front and rear of the rectifying device are respectively in a direct current positive and negative two groups, and the compact air-cooled rectifying device is simple in whole and convenient for field installation debugging personnel to understand and maintain;
3) According to the compact air-cooled rectifying device, the power unit component is guided by the sliding rail and the sliding block of the unit fixing component, is positioned by virtue of the rear inserting holes of the sliding block and the sliding rail, and can be fastened only by using the front screw holes of the guide rails;
4) According to the compact air-cooled rectifying device, necessary secondary components such as resistance-capacitance absorption, fast melting and the like can be integrally maintained and installed with a power unit by directly using copper bars on each power unit component, and as the connection points of the outgoing line transfer row and the incoming line transfer row are both positioned at the outer side of an air duct and the round-head square neck bolts are used, the power unit components can be installed and maintained in extremely short time;
5) The compact air-cooled rectifying device provided by the utility model has the advantages that the openings of the air duct framework, the unit fixing assembly and the air pressure regulating assembly are determined after calculation and simulation, and the process can ensure that the power unit assembly is cooled through all devices needing cooling and maximally utilizing the radiator fins under the condition that the air quantity is enough;
6) According to the compact air-cooled rectifying device, the pulse control board is fixed in the pulse compartment, so that the installation and the debugging are convenient, the heating of the circuit board by the power unit and ash accumulation on the circuit board due to floating and sinking are avoided, the service life of components is greatly prolonged, and the overhaul frequency of the device is reduced;
7) According to the compact air-cooled rectifying device, the front and rear insulating sealing plates of the air duct framework can ensure good sealing and insulating properties, and debugging personnel can observe the working conditions of all devices of the device conveniently.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is an overall schematic diagram of the exterior of a compact air-cooled rectifier device of the present utility model;
FIG. 2 is a schematic diagram of an air duct structure in a cabinet of a compact air-cooled rectifier device according to the present utility model;
FIG. 3 is a schematic diagram of a power unit assembly of a compact air-cooled rectifying device according to the present utility model;
fig. 4 is a schematic structural diagram of a unit fixing assembly of a compact air-cooled rectifying device according to the present utility model.
Reference numerals: fan 1, cabinet 2, transition wind channel 3, wind channel skeleton 4, pulse compartment 5, wind pressure regulation and control subassembly 6, be qualified for the next round of competitions female row 7, be qualified for the next round of competitions female row 8, be qualified for the next round of competitions switching row 9, be qualified for the next round of competitions switching row 10, power unit assembly 11, unit fixing assembly 12, guide rail 1201, slider 1202.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present utility model by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the utility model; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present utility model, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-4, a compact air-cooled rectifying device comprises a cabinet body 2, a fan 1 arranged at the top of the cabinet body 2, and a transition air duct 3 and an inner air duct which are respectively arranged in the cabinet body 2 from top to bottom, wherein the inner air duct is formed by combining an air duct framework 4, a pulse compartment 5 and an air pressure regulating and controlling component 6; the air duct framework 4 is further provided with a plurality of power unit assemblies 11 through the unit fixing assembly 12, the air duct framework 4 is further provided with an outgoing line switching row 9 and an incoming line switching row 10 which are connected with the power unit assemblies 11, the outgoing line switching row 9 and the incoming line switching row 10 are all located at the outer side of an air duct in the cabinet and are installed through round-head square neck bolts, the air duct framework 4, the unit fixing assembly 12 and the air pressure regulating assembly 6 are provided with air holes, the air holes are determined after calculation and simulation, under the condition that the air quantity is enough, the power unit assemblies 11 are cooled through all devices needing cooling and maximally utilizing radiator fins, the air duct framework 4 is provided with insulating sealing plates in front of and behind, sealing and insulating performance are good, debugging personnel are convenient to observe working conditions of all devices, the power unit assemblies 11 are installed on the air duct framework 4, the power unit assemblies are in one phase, the front of and the back of rectification are in sequence ABC three-phase, the front of and the back of rectification are respectively in two groups of direct current positive and negative, the site installation debugging personnel understand and maintain the air holes, and the pulse control plates are fixedly installed in the pulse compartment 5, and the power unit installation is convenient to install the power unit to cool the sink plates, and the power unit are prevented from being deposited on a circuit board.
In the embodiment, an outgoing busbar 7 and an incoming busbar 8 which are communicated with the power unit component are also arranged below the air duct framework.
In this embodiment, the unit fixing assembly 12 includes a slide rail and a slider 1202, and the slider 1202 is disposed in the slide rail and connected to the bottom of the power unit assembly 11; the power unit assembly 11 is guided by the sliding rail and the sliding block 1202 of the unit fixing assembly 12, is positioned by means of rear inserting holes of the sliding block 1202 and the sliding rail, and is finally fastened on the reinforcing rib of the air duct framework 4 through front screw holes of each guide rail 1201.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the claims of the present utility model.
Claims (8)
1. The utility model provides a compact forced air cooling fairing which characterized in that: the air conditioner comprises a cabinet body, a fan arranged at the top of the cabinet body, and a transition air duct and an inner air duct which are respectively arranged in the cabinet body from top to bottom, wherein the inner air duct is formed by combining an air duct framework, a pulse compartment and a wind pressure regulating and controlling component;
the air duct framework is also provided with a plurality of power unit components through the unit fixing components.
2. The compact air-cooled rectifying device of claim 1, wherein: the unit fixing assembly comprises a sliding rail and a sliding block, and the sliding block is arranged in the sliding rail and is connected with the bottom of the power unit assembly; the power unit component is guided by the sliding rail and the sliding block of the unit fixing component, positioned by the rear inserting holes of the sliding block and the sliding rail, and finally fastened through the front screw holes of the guide rails.
3. The compact air-cooled rectifying device of claim 1, wherein: and the air duct framework is also provided with an outgoing line switching row and an incoming line switching row which are connected with the power unit component, and the connection points of the outgoing line switching row and the incoming line switching row are all positioned at the outer side of the air duct in the cabinet and are installed by using round head square neck bolts.
4. The compact air-cooled rectifying device of claim 1, wherein: and air holes are formed in the air duct framework, the unit fixing assembly and the air pressure regulating and controlling assembly.
5. The compact air-cooled rectifying device of claim 1, wherein: the front and the back of the air duct framework are provided with insulating sealing plates.
6. The compact air-cooled rectifying device of claim 1, wherein: the power unit components are arranged on the air duct framework, the front and the rear of the rectification are in one phase, ABC three phases are sequentially arranged from left to right, and the front and the rear of the rectification are respectively in a direct current positive and negative two groups.
7. The compact air-cooled rectifying device of claim 1, wherein: a pulse control board is fixedly arranged in the pulse compartment.
8. The compact air-cooled rectifying device of claim 1, wherein: and an outgoing busbar and an incoming busbar which are communicated with the power unit component are also arranged below the air duct framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321879247.6U CN220493425U (en) | 2023-07-17 | 2023-07-17 | Compact air-cooled rectifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321879247.6U CN220493425U (en) | 2023-07-17 | 2023-07-17 | Compact air-cooled rectifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220493425U true CN220493425U (en) | 2024-02-13 |
Family
ID=89840031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321879247.6U Active CN220493425U (en) | 2023-07-17 | 2023-07-17 | Compact air-cooled rectifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220493425U (en) |
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2023
- 2023-07-17 CN CN202321879247.6U patent/CN220493425U/en active Active
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