CN205986638U - Switching power supply device and change oar system control cabinet - Google Patents
Switching power supply device and change oar system control cabinet Download PDFInfo
- Publication number
- CN205986638U CN205986638U CN201620611648.7U CN201620611648U CN205986638U CN 205986638 U CN205986638 U CN 205986638U CN 201620611648 U CN201620611648 U CN 201620611648U CN 205986638 U CN205986638 U CN 205986638U
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- power supply
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- voltage
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- 238000013461 design Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 abstract 2
- 102100031786 Adiponectin Human genes 0.000 abstract 1
- 101000775469 Homo sapiens Adiponectin Proteins 0.000 abstract 1
- 238000010248 power generation Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000151 anti-reflux effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
Abstract
The utility model relates to a switching power supply device and change oar system control cabinet, mainly used wind power generation's change oar system, the switching power supply device includes the shell, AC input mouth, stand -by power supply input port, low -voltage DC output mouth and high voltage DC output mouth, the AC input mouth concatenates connects low -voltage DC output mouth behind the ACDC rectifier, the AC input mouth still concatenates connects high voltage direct current output port behind the rectifier, stand -by power supply input port concatenates and connects low pressure DC output mouth behind the DCDC converter, stand -by power supply input port still concatenates and connects high voltage direct current output port behind the 2nd DCDC converter and the relay. During the use only need with each port of switching power supply device connect corresponding device can, avoided the complicated problem of components and parts installation operation in the design cabinet of traditional conventionality, reduced naked electric wire and components and parts in the cabinet simultaneously, reduced the potential safety hazard.
Description
Technical field
The present invention relates to a kind of switching power unit and pitch-controlled system, specifically, it is that one kind is applied to large-scale wind electricity machine
The switching power unit of group and pitch-controlled system.
Background technology
With the quickening of world energy consumption, the minimizing of traditional energy reserves, greatly developing new clean energy resource becomes
The strategic choice of countries in the world.Wind energy is because have the characteristics that renewable, pollution-free, energy is big, it has also become optimal cleaning
The energy.Wind-power electricity generation is the important form using wind energy.
Wind-power electricity generation needs to use Large-scale Wind Turbines.The pitch-controlled system of Large-scale Wind Turbines needs stable
Motor brake release power supply, with guarantee generating set occur in the case of catastrophe failure or major accident can with safe shutdown,
Therefore the main AC power of pitch-controlled system and DC back-up power supply require and can discharge power supply as motor brake.
The main AC power of pitch-controlled system is the alternating current of 230V at present, and stand-by power supply adopts the direct current that super capacitor provides
0V～430V dc source.
The controller of pitch-controlled system is used for controlling pitch motor main story or reversion, and then controls the feathering of fan blade or open
Oar；Reliability brake and the release of pitch motor brake concerns the startup optimization of blower fan and stops security and the reliability of braking
Property, current direct current 150V level electromotor brake is the mainstream type of wind-powered electricity generation industry pitch motor brake.
Therefore, need in the switch board of pitch-controlled system by corresponding circuit, main AC power and back-up source are turned
It is changed to the power supply being applied to pitch-controlled system controller and pitch motor brake.
Conventional design be apply in the switch board of pitch-controlled system multiple relays, contactor, Switching Power Supply and other
Auxiliary electric energy element connects into corresponding circuit, realizes the power supply to motor brake release and control, in electric Integration Design
With today of application high speed development, not only the installation operation of components and parts is complicated in cabinet for the conventional design of tradition, but also can affect
Wiring technique, or even there is potential safety hazard.
Content of the invention
Discharge components and parts installation operation in the cabinet of power supply in order to solve above-mentioned large-scale wind electricity set pitch control system motor brake
Send out complicated problem, the invention provides a kind of switching power unit and pitch-controlled system.
A kind of switching power unit, including shell, ac input end mouth, stand-by power supply input port, low-voltage direct-current is defeated
Exit port and high-voltage direct-current output port；Ac input end mouth passes through an AC/DC rectifier and connects low-voltage direct output end
Mouthful, described ac input end mouth connects HVDC output port also by the 2nd AC/DC rectifier；Stand-by power supply input port
Low-voltage direct output port is connected by a DC/DC converter, described stand-by power supply input port becomes also by the 2nd DC/DC
Parallel operation connects HVDC output port.
The ac input end mouth of described switching power unit connects exchange 230V power supply, and stand-by power supply input port connects straight
Stream 0V～430V stand-by power supply, low-voltage direct output port output 24V DC voltage, HVDC output port output 150V～
220V DC voltage.
On the circuit between a described AC/DC rectifier and low-voltage output mouth, string is provided with the first counnter attack diode,
On the circuit between a DC/DC converter and low-voltage output mouth, string is provided with the second counnter attack diode；
On the circuit between described ac input end mouth and High voltage output port, string is provided with the first electronic switch, described
On circuit between stand-by power supply input port and High voltage output, string is provided with the second electronic switch.
Described switching power unit is also included for controlling the control of described first electronic switch and the second electronic switch to believe
Number input port.
Described switching power unit also includes the port for connecting theft-resistant link chain, and the described port for connecting theft-resistant link chain is even
Connect normally opened contact.
A kind of pitch-controlled system switch board, including switching power unit, this Switching Power Supply includes shell, ac input end mouth,
Stand-by power supply input port, low-voltage direct-current output port and high-voltage direct-current output port；Ac input end mouth passes through first
AC/DC rectifier connects low-voltage direct output port, and described ac input end mouth connects high pressure also by the 2nd AC/DC rectifier
Direct current output port；Stand-by power supply input port passes through a DC/DC converter and connects low-voltage direct output port, described standby
Connect HVDC output port with power input port also by the 2nd DC/DC converter；
Described ac input end mouth connects the motor drive power supply of pitch-controlled system, and described stand-by power supply input port connects change
The stand-by power supply of oar system, described low-voltage direct output interface connects the controller of pitch-controlled system, and described HVDC exports end
Mouth connects the electromotor brake of pitch-controlled system.
Described pitch-controlled system motor drive power supply is exchange 230V power supply, and the stand-by power supply of described pitch-controlled system is direct current 0V
～430V power supply, low-voltage direct output port exports 24V DC voltage, and HVDC output port exports 150V～220V direct current
Voltage.
On the circuit between a described AC/DC rectifier and low-voltage output mouth, string is provided with the first counnter attack diode,
On the circuit between a DC/DC converter and low-voltage output mouth, string is provided with the second counnter attack diode；
On the circuit between described ac input end mouth and High voltage output port, string is provided with the first electronic switch, described
On circuit between stand-by power supply input port and High voltage output, string is provided with the second electronic switch.
Described switching power unit is also included for controlling the control of described first electronic switch and the second electronic switch to believe
Number input port.
Described switching power unit also includes the port for connecting theft-resistant link chain, and the described mouth for connecting the safe end of the chain is even
Connect normally opened contact.
Direct current 150V level electromotor brake is the main Types of current wind-powered electricity generation industry pitch motor brake, and stand-by power supply is adopted
With the 0V～430V dc source being provided by super capacitor, pitch-controlled system controller power source is typically all the dc source of 24V.
By corresponding signal is inputted to control signal input port, the working condition of described relay can be controlled, from
And select pitch-controlled system to become the oar method of operation or automatically become the oar method of operation using manual.
Safety switch ensure that the reliability that described switching power unit uses, and prevents the switching power unit damaging from accessing
Pitch-controlled system and accident occurs.
Switching power unit that the present invention provides and pitch-controlled system are it is adaptable to the large-scale wind electricity unit of wind-power electricity generation, it is to avoid
The complicated problem of components and parts installation operations in traditional conventional design cabinet；Decrease exposed electric wire in cabinet and first device simultaneously
Part, decreases potential safety hazard.
Brief description
Fig. 1 is the outside drawing of breaker in middle supply unit embodiment of the present invention, is also pitch-controlled system control in the present invention simultaneously
The outside drawing of cabinet embodiment breaker in middle supply unit；
Fig. 2 is the circuit diagram of breaker in middle supply unit embodiment of the present invention, is also pitch-controlled system control in the present invention simultaneously
The circuit diagram of cabinet embodiment breaker in middle supply unit.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Pitch-controlled system switch board embodiment
A kind of pitch-controlled system switch board, including switching power unit.As shown in figure 1, this switching power unit includes shell
10, shell 10 has an ac input end mouth 11, a stand-by power supply input port 12, a control signal input port
13, a low-voltage direct-current output port 21, a high-voltage direct-current output port 22 and a safety switch connectivity port 23.
Circuit diagram is as shown in Fig. 2 ac input end mouth 11 connects after concatenating an AC/DC rectifier 1 and a counnter attack diode 5
Connect low-voltage direct-current output port 21, this ac input end mouth 11 is also by one the first relay switch 7 of concatenation and the
HVDC output port 22 is connected after two AC/DC rectifiers 4；Described stand-by power supply input port 12 concatenates a DC/
After DC converter 2 and the second counnter attack diode 6 connect low-voltage direct-current output port 21, this stand-by power supply input port also by
HVDC output port 22 is connected after one the 2nd DC/DC converter 3 of concatenation and the second relay switch 8.Safety relay
Connectivity port 23 connects safety relay switch 9.
The ac input end mouth 11 of described switching power unit connects the exchange 230V motor drive power supply of pitch-controlled system, standby
With 12 mouthfuls of connection DC standby powers of power end, low-voltage output mouth 21 connection pitch-controlled system controller, High voltage output port 22
Connect pitch-controlled system brake, safety switch port 23 connects the theft-resistant link chain of pitch-controlled system.
The effect of described antireflux diode 5 and antireflux diode 6 is to prevent reverse direction current flow to an AC/
DC rectifier 1 or a DC/DC converter 2 cause to damage.
The effect of described first relay switch 7 and the second relay switch 8 is the change oar operational mode of pitch-controlled system, when
During the first relay switch 7 closure, pitch-controlled system is to become oar operational mode manually, when the second relay switch 8 closes, becomes oar
System is automatically to become oar operational mode.The working condition of the first relay switch 7 and the second relay switch 8 is defeated by control signal
The signal that inbound port 13 accepts controls, and is the logical relation of mutual exclusion between the two, at most can only have a closure in the same time.
First relay switch 7 and the second relay switch 8 use relay switch in the present embodiment, as this
The other embodiment of invention, can adopt other remote controlled electronic switches.
Safety relay switch 9 concatenates the theft-resistant link chain into pitch-controlled system by safety switch port 23, when AC/DC rectifier
1 and DC/DC converter 2 can normal work when, safety relay switch 9 relays closure, otherwise disconnect.Work as safety relay
When device switch 9 disconnects, blower fan does not allow to open or requires stopping action.
In the present embodiment, what safety switch port 23 connected is safety relay switch 9, and other as the present invention are real
Apply mode, safety relay 9 can be using other normally opened contact switch.
As other embodiment, described safety switch port 23 and safety relay switch 9 can be integrated in change oar system
On other devices of system.
During use, ac input end mouth 11 connects the exchange 230V motor drive power supply of pitch-controlled system, stand-by power supply interface
The stand-by power supply of 12 connection 0V～430V, then low-voltage direct output port 21 output 24V DC voltage, is pitch-controlled system controller
Power supply, HVDC output port defeated 22 goes out the DC voltage of 150V～220V, is that motor change oar brake is powered.When change oar system
During the 230V alternating voltage normal work that system provides, the voltage of an AC/DC rectifier 1 output is slightly larger than a DC/DC conversion
The voltage of device 2 output, switching power unit adopts an AC/DC rectifier 1 to provide 24V direct current for low-voltage direct output port 21
Power supply；When the exchange 230V motor drive power supply abnormal work of pitch-controlled system, the voltage of a DC/DC converter 2 output is big
In the output voltage of an AC/DC rectifier 1, it is low-voltage direct output end that switching power unit adopts a DC/DC converter 2
Mouth 21 offer 24V dc sources.
Switching power unit embodiment
A kind of Switching Power Supply in switching power unit, this switching power unit and above-mentioned pitch-controlled system switch board embodiment
Device is identical, has been discussed in detail above, seldom explains here.
It is presented above specific embodiment according to the present invention, but the present invention is not limited to described embodiment.
Under the thinking that the present invention is given, to the skill in above-described embodiment by the way of being readily apparent that to those skilled in the art
Art means enter line translation, replacement, the relevant art means in modification, and the effect played and the present invention are essentially identical, realize
Goal of the invention also essentially identical, so formed technical scheme be that formation is finely adjusted to above-described embodiment, this technology
Scheme still falls within protection scope of the present invention.
Claims (10)
1. a kind of switching power unit, including shell, ac input end mouth, stand-by power supply input port, low-voltage direct-current exports
Port and high-voltage direct-current output port；Ac input end mouth passes through an AC/DC rectifier and connects low-voltage direct output port,
Described ac input end mouth connects HVDC output port also by the 2nd AC/DC rectifier；Stand-by power supply input port leads to
Cross a DC/DC converter and connect low-voltage direct output port, described stand-by power supply input port converts also by the 2nd DC/DC
Device connects HVDC output port.
2. a kind of switching power unit according to claim 1 is it is characterised in that the exchange of described switching power unit is defeated
Inbound port connects exchange 230V power supply, and stand-by power supply input port connects direct current 0V～430V stand-by power supply, and low-voltage direct exports
Port exports 24V DC voltage, and HVDC output port exports 150V～220V DC voltage.
3. a kind of switching power unit according to claim 1 it is characterised in that a described AC/DC rectifier with
On circuit between low-voltage output mouth, string is provided with the first counnter attack diode, in a DC/DC converter and low-voltage output mouth
Between circuit on string be provided with the second counnter attack diode.
4. a kind of switching power unit according to claim 1 is it is characterised in that in described ac input end mouth and high pressure
On circuit between output port, string is provided with the first electronic switch, between described stand-by power supply input port and High voltage output
On circuit, string is provided with the second electronic switch；
Described switching power unit is also included for controlling the control signal of described first electronic switch and the second electronic switch defeated
Inbound port.
5. a kind of switching power unit according to claim 1 is it is characterised in that described switching power unit also includes using
In the port connecting theft-resistant link chain, the described port for connecting theft-resistant link chain connects normally opened contact.
6. it is characterised in that including switching power unit, this Switching Power Supply includes shell to a kind of pitch-controlled system switch board, exchange
Input port, stand-by power supply input port, low-voltage direct-current output port and high-voltage direct-current output port；Ac input end
Mouth connects low-voltage direct output port by an AC/DC rectifier, and described ac input end mouth is also by the 2nd AC/DC rectification
Device connects HVDC output port；Stand-by power supply input port passes through a DC/DC converter and connects low-voltage direct output end
Mouthful, described stand-by power supply input port connects HVDC output port also by the 2nd DC/DC converter；
Described ac input end mouth connects the motor drive power supply of pitch-controlled system, and described stand-by power supply input port connects change oar system
The stand-by power supply of system, described low-voltage direct output interface connects the controller of pitch-controlled system, and described HVDC output port is even
Connect the electromotor brake of pitch-controlled system.
7. a kind of pitch-controlled system switch board according to claim 6 is it is characterised in that described pitch-controlled system Motor drive is electric
Source is exchange 230V power supply, and the stand-by power supply of described pitch-controlled system is direct current 0V～430V power supply, and low-voltage direct output port is defeated
Go out 24V DC voltage, HVDC output port exports 150V～220V DC voltage.
8. a kind of pitch-controlled system switch board according to claim 6 is it is characterised in that in a described AC/DC rectifier
On circuit and low-voltage output mouth between, string is provided with the first counnter attack diode, in a DC/DC converter and low-voltage output
On circuit between mouthful, string is provided with the second counnter attack diode.
9. a kind of pitch-controlled system switch board according to claim 6 it is characterised in that described ac input end mouth with high
On circuit between pressure output port, string is provided with the first electronic switch, between described stand-by power supply input port and High voltage output
Circuit on string be provided with the second electronic switch；
Described switching power unit is also included for controlling the control signal of described first electronic switch and the second electronic switch defeated
Inbound port.
10. a kind of pitch-controlled system switch board according to claim 6 is it is characterised in that described switching power unit also wraps
Include the port for connecting theft-resistant link chain, the described port for connecting theft-resistant link chain connects normally opened contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620611648.7U CN205986638U (en) | 2016-06-20 | 2016-06-20 | Switching power supply device and change oar system control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620611648.7U CN205986638U (en) | 2016-06-20 | 2016-06-20 | Switching power supply device and change oar system control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205986638U true CN205986638U (en) | 2017-02-22 |
Family
ID=58021955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620611648.7U Expired - Fee Related CN205986638U (en) | 2016-06-20 | 2016-06-20 | Switching power supply device and change oar system control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205986638U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958839A (en) * | 2016-06-20 | 2016-09-21 | 许继集团有限公司 | Switching power supply device and variable propeller system control cabinet |
| CN110486224A (en) * | 2019-07-30 | 2019-11-22 | 固安华电天仁控制设备有限公司 | A kind of variable pitch electric power controller |
-
2016
- 2016-06-20 CN CN201620611648.7U patent/CN205986638U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958839A (en) * | 2016-06-20 | 2016-09-21 | 许继集团有限公司 | Switching power supply device and variable propeller system control cabinet |
| CN110486224A (en) * | 2019-07-30 | 2019-11-22 | 固安华电天仁控制设备有限公司 | A kind of variable pitch electric power controller |
| CN110486224B (en) * | 2019-07-30 | 2021-06-29 | 国能信控互联技术(河北)有限公司 | Become oar power management device |
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| 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: 20170222 Termination date: 20200620 |