CN2565198Y - High-voltage frequency change speed regulator - Google Patents
High-voltage frequency change speed regulator Download PDFInfo
- Publication number
- CN2565198Y CN2565198Y CN02217404U CN02217404U CN2565198Y CN 2565198 Y CN2565198 Y CN 2565198Y CN 02217404 U CN02217404 U CN 02217404U CN 02217404 U CN02217404 U CN 02217404U CN 2565198 Y CN2565198 Y CN 2565198Y
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- CN
- China
- Prior art keywords
- cabinet
- control unit
- main control
- intelligent power
- filter screen
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- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a high voltage frequency change speed regulator, which is composed of an auxiliary filter screen, an air collecting passage, a main control unit, a blower, a front door, a touch control screen, a meter, a button, a main filter screen, a cabinet body and intelligent power units, the right side of the front half part of the cabinet body is provided with 3 * N movable intelligent power units in two or three rows; the auxiliary filter screen which is used for ventilating is arranged at lower left part of the front half part of the cabinet body; the main control unit is arranged at the top left part of the front half part of the cabinet body; the air collecting passage is arranged at the back half part of the cabinet body; the blower is arranged above the cabinet body; the touch control screen is arranged above the front door, and the meter is arranged at the side of the touch control screen; the button is arranged below the touch control screen; the main filter screen is arranged below the front door. The utility model has the advantages of high radiation efficiency, small dimension of the device, and low cost.
Description
Technical field:
The utility model relates to a kind of high-voltage frequency conversion and speed-adjusting device that is used on power plant's large-sized asynchronous motor, belongs to the high-voltage frequency conversion and speed-adjusting device technical field.
Background technology:
Be used for the high-voltage frequency conversion and speed-adjusting device on power plant's large-sized asynchronous motor at present, equipment volume is huge, usually need build machine room, therefore investment increases, and cause the huge main cause of equipment volume is that to be used for the radiator volume of high-voltage frequency conversion and speed-adjusting device bigger, because radiator generally adopts aluminum or aluminum alloy to make, radiating efficiency is low.
Summary of the invention:
The purpose of this utility model will be invented a kind of radiating efficiency height exactly, and plant bulk is little, low cost of manufacture, the high-voltage frequency conversion and speed-adjusting device that reliability is high.
For realizing above purpose, the technical solution of the utility model provides a kind of high-voltage frequency conversion and speed-adjusting device, its characteristics are, it is by auxiliary filter screen, the collection air channel, main control unit, blower fan, the Qianmen, touch control flow, the table meter, button, main filter screen, cabinet, the intelligent power unit is formed, the right of cabinet first half divides two～three to equip 3 * N movable-type intelligent power cell, intelligent power has air duct between the unit, the auxiliary filter screen of ventilation usefulness is left in the lower left of cabinet first half, the upper left side of cabinet first half is equipped with main control unit, each intelligent power unit all is connected with main control unit with the mode of connection, the latter half of of cabinet is the collection air channel, blower fan is equipped with in the top of cabinet, the top at Qianmen is equipped with the touch control flow, the table meter is equipped with on the next door that touches control flow, below the touch control flow button is housed, the below at Qianmen is empty, loads onto the main filter screen of being convenient to ventilate.
Radiator in the intelligent power unit is to be made of copper, and the thermal-conduction resistance of copper is about 1/3rd of aluminium, and radiating effect improves greatly, and the size of radiator can be dwindled like this, and corresponding high-voltage frequency conversion and speed-adjusting device size can dwindle about 1/3rd; The size of copper radiator own reduces though the price of copper is higher, thereby the cost of itself does not increase, and the cost of high-voltage frequency conversion and speed-adjusting device can reduce greatly, and need not build machine room, the power electronic device of high-voltage frequency conversion and speed-adjusting device is fully used simultaneously, need not use the big many devices of specification, and its overload capacity is improved, favourable to system safety operation, improved system effectiveness and operational reliability.
Advantage of the present invention is the radiating efficiency height, and device size is little, low cost of manufacture, system reliability height.
Description of drawings:
Fig. 1 is a high-voltage frequency conversion and speed-adjusting device device structure chart;
Fig. 2 is the high-voltage frequency conversion and speed-adjusting device vertical view;
Fig. 3 is intelligent power cellular construction figure;
Fig. 4 is heat spreader structures figure.
Embodiment:
As Fig. 1, shown in Figure 2, high-voltage frequency conversion and speed-adjusting device is by auxiliary filter screen 1, collection air channel 2, main control unit 6, blower fan 7, Qianmen 8, touch control flow 9, table meter 10, button 11, main filter screen 12, cabinet 13, intelligent power unit 14 is formed, the right of cabinet 13 first halfs divides two～three to equip 3 * N movable-type intelligent power cell 14, between the intelligent power unit 14 air duct is arranged, the auxiliary filter screen 1 of ventilation usefulness is left in the lower left of cabinet 13 first halfs, the upper left side of cabinet 13 first halfs is equipped with main control unit 6, each intelligent power unit 14 usefulness mode of connection all is connected with main control unit 6, the latter half of of cabinet 13 is collection air channel 2, blower fan 7 is equipped with in the top of cabinet 13, the top at Qianmen 8 is equipped with and touches control flow 9, table meter 10 is equipped with on the next door that touches control flow 9, below the touch control flow 9 button 11 is housed, the below at Qianmen 8 is empty, loads onto the main filter screen of being convenient to ventilate 12.
Main control unit 6 is made up of guide rail 3, binding post 4, master control circuit plate 5, main control unit cabinet 15, the left side in the main control unit cabinet 15 is equipped with four blocks of pluggable master control circuit plates 5 of two rows, the right in the main control unit cabinet 15 is equipped with binding post 4, the bottom of main control unit cabinet 15 is equipped with guide rail 3, makes main control unit 6 make drawer type and is convenient to install, overhauls and changes.Touching control flow 9 and table counts 10 and is connected with master control circuit plate 5 by button 11.
As shown in Figure 3; intelligent power unit 14 is by connector 16; power electronic device 17; radiator 18; housing 19; damping device 20; wiring board 21; capacitive 22 is formed; two connectors 16 are contained in the back of housing 19; four power electronic device 17 are contained in the top of housing 19; housing 19 places at dress power electronic device 17 places are empty; be close to the back of power electronic device 17 and load onto radiator 18; radiator 18 is to dispel the heat for power electronic device 17 specially; the right side of housing 19 is equipped with damping device 20; the centre is equipped with wiring board 21; capacitive 22 is contained in the left side of housing 19; housing 19 is made for insulating material entirely; there is guide rail on both sides; pulley; but intelligent power unit 14 is the separate part integral replacing; reliable for ensureing high-voltage frequency conversion and speed-adjusting device; in case certain intelligent power unit 14 breaks down; high-voltage frequency conversion and speed-adjusting device is this intelligent power unit 14 of auto by pass; do not influence high-voltage frequency conversion and speed-adjusting device and continue operation; change certain intelligent power unit 14 as need; but charged for replacement need not shut down.
As shown in Figure 4, radiator 18 is to make with copper product, and it is made up of heat-radiating substrate 23, radiating fin 24, and radiating fin 24 is inserted in the groove of heat-radiating substrate 23, leaves the gap between the radiating fin 24, and radiating fin 24 numbers are decided on heat dissipation capacity.Radiator 18 can reduce the temperature rise of power electronic device 17 greatly, has promoted the reliability of power electronic device 17, can reduce the configuration of intelligent power unit 14 simultaneously, makes high-voltage frequency conversion and speed-adjusting device compacter, and volume is also littler.
Main control unit 6, touch control flow 9, table meter 10, button 11, high-pressure frequency-conversion Dian Qi rotation road is formed in intelligent power unit 14, as get N=6,14 series connection of per 6 intelligent power unit form a phase, 18 intelligent power unit 14 form three-phase, electrical network 6KV high-tension current becomes 3 groups of secondary low-voltages through the connector 16 that the phase shift isolating transformer inserts 14 left sides, intelligent power unit, wherein 6 are the folded wave scale number of series connection, an intelligent power unit 14 is delivered in every group of low pressure output, the output of intelligent power unit 14 is the voltage output wave after the frequency conversion, 14 series connection of per 6 intelligent power unit form a phase, once more the folded ripple of low pressure is become high pressure, three-phase is supplied with high-tension motor by connector 16 outputs on 14 the right, intelligent power unit after star connection.Therefore, as long as unified command is accepted in each intelligent power unit 14 coordination, can realize high-voltage frequency conversion and speed-adjusting.And unified command is by button 11, and signal is passed to main control unit 6, sends frequency modulation and voltage modulation instruction and synchronic command by main control unit 6 to each intelligent power unit 14.
Form cooling system by auxiliary filter screen 1, collection air channel 2, blower fan 7, main filter screen 12, air is entered in the cabinet of high-voltage frequency conversion and speed-adjusting device by main filter screen 12 and auxiliary filter screen 1 place, by intelligent power unit 14, radiator 18, connector 16, enter collection air channel 2 at last, the hot blast that will be collected air channel 2 by blower fan 7 is extracted out.Blower fan 7 on the high-voltage frequency conversion and speed-adjusting device has some, and 7 of blower fans are several to be decided according to the size of heat dissipation capacity.
For satisfying the electric machine speed regulation requirement of different voltages, different capacity, high-voltage frequency conversion and speed-adjusting device has the output of different voltages can satisfy from the motor needs of each grade of 100KW～2500KW power.
Claims (4)
1. high-voltage frequency conversion and speed-adjusting device, it is characterized in that, it is by auxiliary filter screen (1), collection air channel (2), main control unit (6), blower fan (7), Qianmen (8), touch control flow (9), table meter (10), button (11), main filter screen (12), cabinet (13), intelligent power unit (14) is formed, the right of cabinet (13) first half divides two～three to equip 3 * N movable-type intelligent power cell (14), there is air duct the intelligent power unit between (14), the auxiliary filter screen (1) of ventilation usefulness is left in the lower left of cabinet (13) first half, the upper left side of cabinet (13) first half is equipped with main control unit (6), each intelligent power unit (14) all is connected with main control unit (6) with the mode of connection, the latter half of of cabinet (13) is collection air channel (2), blower fan (7) is equipped with in the top of cabinet (13), the top at Qianmen (8) is equipped with and touches control flow (9), table meter (10) is equipped with on the next door that touches control flow (9), below the touch control flow (9) button (11) is housed, the below at Qianmen (8) is empty, loads onto the main filter screen of being convenient to ventilate (12).
2. high-voltage frequency conversion and speed-adjusting device according to claim 1, it is characterized in that, main control unit (6) is made up of guide rail (3), binding post (4), master control circuit plate (5), main control unit cabinet (15), the left side in the main control unit cabinet (15) is equipped with two row's four blocks of pluggable master control circuit plates (5), the bottom that the right in the main control unit cabinet (15) is equipped with binding post (4), main control unit cabinet (15) is equipped with guide rail (3), makes main control unit (6) make drawer type and is convenient to install, overhauls and changes.
3. high-voltage frequency conversion and speed-adjusting device according to claim 1, it is characterized in that, intelligent power unit (14) is by connector (16), power electronic device (17), radiator (18), housing (19), damping device (20), wiring board (21), capacitive (22) is formed, two connectors (16) are contained in the back of housing (19), four power electronic device (17) are contained in the top of housing (19), the housing (19) at dress power electronic device (17) place is empty, be close to the back of power electronic device (17) and load onto radiator (18), the right side of housing (19) is equipped with damping device (20), the centre is equipped with wiring board (21), capacitive (22) is contained in the left side of housing (19), and intelligent power unit (14) are integral replacing separately.
4. according to claim 1,3 described high-voltage frequency conversion and speed-adjusting devices, it is characterized in that, radiator (18) is to make with copper product, it is made up of heat-radiating substrate (23), radiating fin (24), radiating fin (24) is inserted in the groove of heat-radiating substrate (23), radiating fin leaves the gap between (24), and radiating fin (24) number is decided on heat dissipation capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02217404U CN2565198Y (en) | 2002-05-15 | 2002-05-15 | High-voltage frequency change speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02217404U CN2565198Y (en) | 2002-05-15 | 2002-05-15 | High-voltage frequency change speed regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2565198Y true CN2565198Y (en) | 2003-08-06 |
Family
ID=33696220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02217404U Expired - Lifetime CN2565198Y (en) | 2002-05-15 | 2002-05-15 | High-voltage frequency change speed regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2565198Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103186116A (en) * | 2011-12-27 | 2013-07-03 | 贵阳铝镁设计研究院有限公司 | Connecting method and connecting structure for monitoring protection instrument of large motor |
| CN104393492A (en) * | 2014-12-18 | 2015-03-04 | 常熟市古里电器厂 | Power distribution cabinet with built-in grids |
| CN105396245A (en) * | 2015-12-30 | 2016-03-16 | 西安必施恩能源科技有限公司 | Box-plugging type fire extinguishing device |
-
2002
- 2002-05-15 CN CN02217404U patent/CN2565198Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103186116A (en) * | 2011-12-27 | 2013-07-03 | 贵阳铝镁设计研究院有限公司 | Connecting method and connecting structure for monitoring protection instrument of large motor |
| CN104393492A (en) * | 2014-12-18 | 2015-03-04 | 常熟市古里电器厂 | Power distribution cabinet with built-in grids |
| CN105396245A (en) * | 2015-12-30 | 2016-03-16 | 西安必施恩能源科技有限公司 | Box-plugging type fire extinguishing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120515 Granted publication date: 20030806 |