CN203660862U - Outdoor cabinet with DC variable-frequency drives - Google Patents
Outdoor cabinet with DC variable-frequency drives Download PDFInfo
- Publication number
- CN203660862U CN203660862U CN201320801285.XU CN201320801285U CN203660862U CN 203660862 U CN203660862 U CN 203660862U CN 201320801285 U CN201320801285 U CN 201320801285U CN 203660862 U CN203660862 U CN 203660862U
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- Prior art keywords
- cabinet
- frequency
- cabinet body
- variable
- heat exchange
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Abstract
The utility model discloses an outdoor cabinet with DC variable-frequency drives. The outdoor cabinet comprises a cabinet body and a front cabinet door. The cabinet body is provided with a distribution chamber and a variable-frequency drive chamber; the variable-frequency drive chamber is disposed below the distribution chamber; the variable-frequency drive chamber is internally provided with the multiple DC variable-frequency drives and a baffle plate; a ventilation gap is formed between the baffle plate and the back side plate of the cabinet body; a drawing fan is arranged between the top portion of the baffle plate and the back side plate of the cabinet body; the front cabinet door is provided with a heat exchange temperature control unit; and the cabinet body is internally provided with a temperature sensor, such that the heat exchange temperature control unit is automatically controlled by using the temperature sensor to sense the temperature of the cabinet body and is enabled to generate cold air to cool the inside of the cabinet body, and at the same time, the heat quantity inside the cabinet body is extracted by use of the drawing fan, thus the purpose of really effective temperature reduction is achieved, the cooling efficiency is substantially improved, and the normal operation of the DC variable-frequency drives inside the cabinet body is ensured. Besides, the outdoor cabinet provided by the utility model also has the advantage of quite good waterproofing performance.
Description
Technical field
The utility model relates to rack art, refers in particular to a kind of band DC frequency-changing Cabinet.
Background technology
Frequency converter (Variable-frequency Drive, VFD) is application converter technique and microelectric technique, controls the electric control appliance of alternating current motor by changing machine operation supply frequency mode.Frequency converter is mainly made up of rectification (AC-DC), filtering, inversion (direct current becomes interchange), brake unit, driver element, detecting unit microprocessing unit etc.Voltage and the frequency of cut-offfing to adjust out-put supply of the inner IGBT of portion of frequency converter; provide its needed supply voltage according to the actual needs of motor, and then reach object energy-conservation, speed governing, in addition; frequency converter also has a lot of defencive functions, as overcurrent, overvoltage, overload protection etc.Along with improving constantly of industrial automatization, frequency converter has also obtained application very widely.
Along with the extensive use of frequency converter, frequency converter is applied in various device, for the ease of unified management, frequency converter is installed concentratedly conventionally in a rack, but, current still adopts comparatively common simple and crude rack with DC frequency-changing Cabinet, and radiating effect is poor, affects the normal operation of DC frequency-changing device.
Utility model content
In view of this, the utility model is for the disappearance of prior art existence, its main purpose is to provide a kind of band DC frequency-changing Cabinet, and it can effectively solve existing with the poor affected problem of operation that causes DC frequency-changing device of DC frequency-changing Cabinet radiating effect.
For achieving the above object, the utility model adopts following technical scheme:
A kind of band DC frequency-changing Cabinet, includes cabinet and the front cabinet door with cabinet pivot joint; This cabinet has wiring closet and Transducer Room, this Transducer Room is positioned at the below of wiring closet, multiple DC frequency-changing devices are installed in Transducer Room, and in Transducer Room, be provided with baffle plate, between this baffle plate and the back side panel of cabinet, be formed with ventilation gap, between the top of baffle plate and the back side panel of cabinet, be provided with air exhauster, be provided with multiple ventilation holes on the back side panel of cabinet, the plurality of ventilation hole is communicated with between the external world and ventilation gap; Heat exchange temperature conditioning unit is installed on this front cabinet door, and the air outlet of heat exchange temperature conditioning unit is positioned at the medial surface lower end of front cabinet door, and in cabinet, is provided with temperature sensor, and this temperature sensor is connected with heat exchange temperature conditioning unit.
As a kind of preferred version, described heat exchange temperature conditioning unit is integral air conditioner.
As a kind of preferred version, described multiple DC frequency-changing devices by shelve framework suspend with Transducer Room in.
As a kind of preferred version, described in shelve aluminium material or the copper material that framework is good heat dissipation effect.
As a kind of preferred version, the left plate of described front cabinet door, cabinet, right plate and back side panel are two-layer equation corrosion resistant plate, between two corrosion resistant plates, are filled with heat-barrier material, and the thickness of heat-barrier material is greater than corrosion resistant plate thickness.
The utility model compared with prior art has obvious advantage and beneficial effect, particularly, and as shown from the above technical solution:
By utilizing the temperature of temperature sensor senses cabinet, heat exchange temperature conditioning unit is controlled automatically, making heat exchange temperature conditioning unit produce cold wind carries out cooling to cabinet inside, utilize air exhauster that the heat of cabinet inside is extracted out simultaneously, the real object that effectively reaches cooling, greatly improve cooling effectiveness, be conducive to guarantee the normal operation of DC frequency-changing device in cabinet, and the utility model also has good fire resistance characteristic.
For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is elaborated.
Accompanying drawing explanation
Fig. 1 is the open mode schematic perspective view of the preferred embodiment of the utility model;
Fig. 2 is the open mode schematic perspective view of another angle of preferred embodiment of the utility model;
Fig. 3 is the partial section of front cabinet door in the preferred embodiment of the utility model.
Accompanying drawing identifier declaration:
10, cabinet 11, wiring closet
12, Transducer Room 13, back side panel
14, shelve framework 15, left plate
16, right plate 101, ventilation hole
102, corrosion resistant plate 103, heat-barrier material
20, front cabinet door 30, DC frequency-changing device
40, baffle plate 50, air exhauster
60, heat exchange temperature conditioning unit 61, air outlet
70, temperature sensor.
Embodiment
Please refer to shown in Fig. 1 to Fig. 3, the concrete structure that it has demonstrated the preferred embodiment of the utility model, includes cabinet 10 and the front cabinet door 20 with cabinet 10 pivot joints.
This cabinet 10 has wiring closet 11 and Transducer Room 12, this Transducer Room 12 is positioned at the below of wiring closet 11, multiple DC frequency-changing devices 30 are installed in Transducer Room 12, and in Transducer Room 12, be provided with baffle plate 40, between this baffle plate 40 and the back side panel 13 of cabinet 10, be formed with ventilation gap (not shown), between the back side panel 13 of the top of baffle plate 40 and cabinet 10, be provided with air exhauster 50, this air exhauster 50 is for forcing the heat in cabinet 10 to extract out, on the back side panel 13 of cabinet 10, be provided with multiple ventilation holes 101, the plurality of ventilation hole 101 is communicated with between the external world and ventilation gap, utilize this baffle plate 40 can effectively stop that outside rainwater enters in cabinet 10.
On this front cabinet door 20, heat exchange temperature conditioning unit 60 is installed, the air outlet 61 of heat exchange temperature conditioning unit 60 is positioned at the medial surface lower end of front cabinet door 20, and in cabinet 10, be provided with temperature sensor 70, this temperature sensor 70 is connected with heat exchange temperature conditioning unit 60, by the temperature in temperature sensor 70 sensing cabinets 10, thereby realize, heat exchange temperature conditioning unit 60 is controlled automatically; In the present embodiment, this heat exchange temperature conditioning unit 60 is integral air conditioner, its have easy for installation, volume is little, heat exchanger effectiveness advantages of higher.
And the plurality of DC frequency-changing device 30 is suspended in Transducer Room 12 by shelving framework 14, this shelves aluminium material or copper material that framework 14 is good heat dissipation effect.
In addition, left plate 15, right plate 16 and the back side panel 13 of this front cabinet door 20, cabinet 10 are two-layer equation corrosion resistant plate, as shown in Figure 3, between two corrosion resistant plates 102, be filled with heat-barrier material 103, the thickness of heat-barrier material 103 is greater than the thickness of corrosion resistant plate 102, the consumption that is delivered in cabinet 10 and reduces corrosion resistant plate 102 more effectively to completely cut off outside heat.
When use, open front cabinet door 20, DC frequency-changing device 30 is installed in Transducer Room 12, and at the interior installation Wiring module of wiring closet 11 (not shown), Wiring module is connected with DC frequency-changing device 30, then front cabinet door 20 is closed.In running, DC frequency-changing device 30 produces amount of heat, in the time that cabinet 10 internal temperatures are elevated to preset temperature, temperature sensor 70 is controlled heat exchange temperature conditioning unit 60 and is opened, heat exchange temperature conditioning unit 60 produces cold wind lowers the temperature to cabinet 10 inside, meanwhile, and hot air rising, and by air exhauster 50, hot-air is extracted out outside cabinet 10, really effectively reach the object of cooling.
Design focal point of the present utility model is: by utilizing the temperature of temperature sensor senses cabinet, heat exchange temperature conditioning unit is controlled automatically, making heat exchange temperature conditioning unit produce cold wind carries out cooling to cabinet inside, utilize air exhauster that the heat of cabinet inside is extracted out simultaneously, the real object that effectively reaches cooling, greatly improve cooling effectiveness, be conducive to guarantee the normal operation of DC frequency-changing device in cabinet, and the utility model also has good fire resistance characteristic.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore any trickle modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.
Claims (5)
1. a band DC frequency-changing Cabinet, is characterized in that: include cabinet and the front cabinet door with cabinet pivot joint; This cabinet has wiring closet and Transducer Room, this Transducer Room is positioned at the below of wiring closet, multiple DC frequency-changing devices are installed in Transducer Room, and in Transducer Room, be provided with baffle plate, between this baffle plate and the back side panel of cabinet, be formed with ventilation gap, between the top of baffle plate and the back side panel of cabinet, be provided with air exhauster, be provided with multiple ventilation holes on the back side panel of cabinet, the plurality of ventilation hole is communicated with between the external world and ventilation gap; Heat exchange temperature conditioning unit is installed on this front cabinet door, and the air outlet of heat exchange temperature conditioning unit is positioned at the medial surface lower end of front cabinet door, and in cabinet, is provided with temperature sensor, and this temperature sensor is connected with heat exchange temperature conditioning unit.
2. band DC frequency-changing Cabinet according to claim 1, is characterized in that: described heat exchange temperature conditioning unit is integral air conditioner.
3. band DC frequency-changing Cabinet according to claim 1, is characterized in that: described multiple DC frequency-changing devices by shelve framework suspend with Transducer Room in.
4. band DC frequency-changing Cabinet according to claim 3, is characterized in that: described in shelve aluminium material or the copper material that framework is good heat dissipation effect.
5. band DC frequency-changing Cabinet according to claim 1, it is characterized in that: left plate, right plate and the back side panel of described front cabinet door, cabinet are two-layer equation corrosion resistant plate, between two corrosion resistant plates, be filled with heat-barrier material, the thickness of heat-barrier material is greater than corrosion resistant plate thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320801285.XU CN203660862U (en) | 2013-12-09 | 2013-12-09 | Outdoor cabinet with DC variable-frequency drives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320801285.XU CN203660862U (en) | 2013-12-09 | 2013-12-09 | Outdoor cabinet with DC variable-frequency drives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203660862U true CN203660862U (en) | 2014-06-18 |
Family
ID=50927211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320801285.XU Expired - Fee Related CN203660862U (en) | 2013-12-09 | 2013-12-09 | Outdoor cabinet with DC variable-frequency drives |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203660862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104159439A (en) * | 2014-08-31 | 2014-11-19 | 宁波天韵通信设备有限公司 | Outdoor cabinet with automatic cooling function |
-
2013
- 2013-12-09 CN CN201320801285.XU patent/CN203660862U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104159439A (en) * | 2014-08-31 | 2014-11-19 | 宁波天韵通信设备有限公司 | Outdoor cabinet with automatic cooling function |
| CN104159439B (en) * | 2014-08-31 | 2016-08-24 | 宁波天韵通信设备有限公司 | A kind of outdoor cabinet of automatic heat radiation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20181209 |