CN202971236U - Direct current series machine cooling fan system - Google Patents
Direct current series machine cooling fan system Download PDFInfo
- Publication number
- CN202971236U CN202971236U CN 201220634446 CN201220634446U CN202971236U CN 202971236 U CN202971236 U CN 202971236U CN 201220634446 CN201220634446 CN 201220634446 CN 201220634446 U CN201220634446 U CN 201220634446U CN 202971236 U CN202971236 U CN 202971236U
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- China
- Prior art keywords
- cooling fan
- direct current
- current series
- power
- series machine
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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 - Fee Related
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses a direct current series machine cooling fan system which comprises a 24-volt direct voltage and a cooling fan. The cooling fan comprises a motor cooling fan and a temperature switch. The direct current series machine cooling fan system is simple in structure, obvious in effect, capable of ensuring that the fan can work normally at any condition, changes power supply of the cooling fan from 220VAC to 24VDC, supplies power through a switch power supply independently, thus, the cooling fan is enabled to work normally on the condition of power-down of a power grid.
Description
Technical field
The utility model relates to a kind of wind generating technology, and what be specifically related to is a kind of direct current series-excited motor cooling blower system.
Background technique
Direct current series-excited motor is one of core component in variable blade control system, be mainly used in the angle of drive vane, thereby change air-flow to the angle of attack of blade, the output power of wind-driven generator can be automatically adjusted according to the size of wind speed, the delivery efficiency that guarantees wind-driven generator is the highest, and output is in rated power.
When line voltage fall or power down after after 3S, the power supply of variable blade control system is by the back-up power 220VDC that powers, because the power supply of cooling blower is line voltage, therefore, cooling blower can't be worked.But in variable blade control system, when system is powered by back-up power, when promptly putting away the oars, when switching to cell voltage due to motor power by line voltage, inrush current is very large, make the motor internal temperature sharply rise, and cooling blower can not normally move, cause the motor internal heating fast, have a strong impact on the use of motor or burn.
Summary of the invention
The purpose of this utility model is to overcome the above problem that prior art exists, and a kind of direct current series-excited motor cooling blower system is provided, and can satisfy in the situation of electric network power-fail, and the cooling air function is normally moved.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions:
A kind of direct current series-excited motor cooling blower system comprises 24V VDC and cooling blower, and described cooling blower comprises motor cooling fan and thermal switch.
The beneficial effects of the utility model are:
The utility model is simple in structure, and successful can guarantee that blower fan under any circumstance can normally move, the power supply of cooling blower is changed to 24VDC by 220VAC, and powered separately by switch power, can satisfy like this in the situation of electric network power-fail, cooling blower can normally move.
Description of drawings
Fig. 1 is the overall structure schematic diagram.
Number in the figure explanation: 1,24V VDC, 2, cooling blower, 3, thermal switch, 4, the motor cooling fan.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
With reference to shown in Figure 1, a kind of direct current series-excited motor cooling blower system comprises 24V VDC 1 and cooling blower 2, and described cooling blower 2 comprises motor cooling fan 4 and thermal switch 3.
Claims (1)
1. direct current series-excited motor cooling blower system, it is characterized in that: comprise 24V VDC (1) and cooling blower (2), described cooling blower (2) comprises motor cooling fan (4) and thermal switch (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220634446 CN202971236U (en) | 2012-11-27 | 2012-11-27 | Direct current series machine cooling fan system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220634446 CN202971236U (en) | 2012-11-27 | 2012-11-27 | Direct current series machine cooling fan system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202971236U true CN202971236U (en) | 2013-06-05 |
Family
ID=48512320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220634446 Expired - Fee Related CN202971236U (en) | 2012-11-27 | 2012-11-27 | Direct current series machine cooling fan system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202971236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835964A (en) * | 2012-11-27 | 2014-06-04 | 苏州风行电气有限公司 | Cooling blower system of direct current series excited machine |
-
2012
- 2012-11-27 CN CN 201220634446 patent/CN202971236U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835964A (en) * | 2012-11-27 | 2014-06-04 | 苏州风行电气有限公司 | Cooling blower system of direct current series excited machine |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20131127 |