CN201260091Y - Electricity supply device for wind motor control system - Google Patents
Electricity supply device for wind motor control system Download PDFInfo
- Publication number
- CN201260091Y CN201260091Y CNU2008201528378U CN200820152837U CN201260091Y CN 201260091 Y CN201260091 Y CN 201260091Y CN U2008201528378 U CNU2008201528378 U CN U2008201528378U CN 200820152837 U CN200820152837 U CN 200820152837U CN 201260091 Y CN201260091 Y CN 201260091Y
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- China
- Prior art keywords
- power supply
- source
- control system
- blower fan
- fan control
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Abstract
Disclosed is a power supply device of a fan control system, which comprises an input power supply, a back-up power supply and a power supply bus-bar, wherein, the input power supply and the back-up power supply are electrically connected with the power supply bus-bar respectively, and are electrically connected with a plurality of subsystems by the power supply bus-bar, thereby changing the previous dispersed mode of power supplies into a centralized one, and the power supply device supplies power to each subsystem by an external input power supply after rectification, charges a back-up battery pack in the meanwhile, and supplies power to the plurality of subsystems by the back-up battery pack via the power supply bus-bar when the input power supply stops working. The centralized back-up power supply is adopted to provide back-up power to each subsystem, therefore each subsystem need not be equipped with independent back-up power supply any longer, the system design and structure are simplified, the manufacturing cost of the system is reduced, and the maintenance to the battery pack is convenient. The power supply device is also equipped with a monitoring apparatus for monitoring the operating state of the power supply device and giving alarms, and is also provided with a communication interface, so operators can detect faults rapidly through on-line detection, and guarantee the safe running of sets.
Description
Technical field
The utility model relates to a kind of electric supply installation of blower fan control system, relates in particular to the electric supply installation that has centralized stand-by power supply.
Technical background
Along with the cry of environmental protection is strong day by day, wind power generation is obtained develop rapidly in recent years, and the shared energy proportion of wind power generation is increasing.Wind generating technology originates from Europe, because the restriction of the historical industrial structure, the control system of wind power generation adopts system integration mode always.As several big subsystem of blower fan control as: pitch-controlled system, yaw system, master control system, lubricating system, emergency braking system etc. are all respectively by different specialized factory's supplies of material.
Consider that blower fan control system must control under the situation of dead electricity in the cabin, also to work on, so that the blower fan unit forwards safe condition to, therefore pitch-controlled system, yaw system, emergency braking system etc. have disposed back-up source (as adopting battery or super capacitor etc.) by the supplier of different sub-systems respectively, utilize the power supply of back-up source as these several big systems under the dead electricity situation of cabin.
Current blower fan control system power supply the principle as shown in Figure 1, because back-up source is that each subsystem disposes separately at present, cause the design and the complex structure of each subsystem, involve great expense, operation maintenance simultaneously need be safeguarded the maintenance workload of the system of increase to the back-up source of each subsystem separately; And the back-up source of each subsystem configures is owing to can't monitor it, the battery that can not online detection back-up source or the state of super capacitor, thereby may cause that back-up source can't reliably drop into when the dead electricity of cabin, thereby the operation of blower fan unit is hidden some dangers for.
Summary of the invention
Because the above-mentioned defective of prior art, technical problem to be solved in the utility model provides a kind of blower fan control system that adopts the back-up source centralized power supply system, it is under the situation of blower fan control system power supply in primary source failure, by stand-by power supply, concentrate to each subsystem power supply, to avoid disposing the wasting of resources and the complex management problem that stand-by power supply brings respectively by this stand-by power supply because of each subsystem.
For achieving the above object, the utility model provides a kind of electric supply installation of blower fan control system, described blower fan control system comprises a plurality of subsystems by described electric supply installation power supply, described electric supply installation comprises the input power supply, back-up source and power supply buses, it is characterized in that, described input power supply and described back-up source are electrically connected with described power supply buses respectively, and be electrically connected with described a plurality of subsystems by described power supply buses, described back-up source is charged by described input power supply, and when quitting work, the input power supply powers to described a plurality of subsystems by described power supply buses.
Preferably, described input power supply comprises supply module and charging module, and described supply module is electrically connected with described a plurality of subsystems by described power supply buses and to its power supply, described charging module is electrically connected with described back-up source and it is charged.
Preferably, described electric supply installation also comprises the back-up source Monitoring and Controlling unit that is electrically connected respectively with described charging module and described back-up source, and the charging process of described charging module to described back-up source monitored and controlled in described back-up source Monitoring and Controlling unit to the state of described back-up source.
Preferably, described supply module is the supply module of two or more parallel operations.
Preferably, described back-up source comprises battery pack, also be provided with regulon in the output of described charging module output and be electrically connected with described power supply buses, thereby control floating current prolongation battery useful life for battery pack in order to regulating cell group voltage by described regulon; Described regulon comprises the electric component of a plurality of series connection that are used to regulate output voltage and by a plurality of by-pass cockes of combination to realize that output voltage is regulated mutually.
Preferably, described electric supply installation also comprises the monitoring running state warning device.
In addition, described power supply buses is a dc bus, and described input power supply comprises rectification adverser, and described back-up source is a direct-flow storage battery.In this case, described supply module and described charging module comprise rectification adverser; The electric component of regulon can be diode; Back-up source can comprise the activation switch, with the problem of the memory effect that solves storage battery.
Because adopting centralized back-up source centralized and unified is that each subsystem is powered, thereby each subsystem no longer needs to dispose independent back-up source, make the design of each subsystem, structure is simplified, reduce system cost, simultaneously can unify back-up source is safeguarded, reduce operations staff's maintenance workload, reduce management cost.In preferred embodiments,, make the operations staff in time to handle hidden danger, ensure the safe operation of unit by the fault of online detection discovery power supply early because electric supply installation also disposes the monitoring running state warning device.
Description of drawings
Fig. 1 is the schematic diagram of existing blower fan system electric supply installation;
Fig. 2 is the circuit diagram of the electric supply installation of blower fan control system of the present utility model;
Fig. 3 is the module map of the monitoring running state warning device of the utility model electric supply installation.
Embodiment
Be described further below with reference to the technique effect of accompanying drawing, to understand the purpose of this utility model, feature and effect fully design of the present utility model, concrete structure and generation.
Fig. 2 is the circuit diagram of electric supply installation 1 one most preferred embodiments of blower fan control system of the present utility model, and this electric supply installation 1 comprises input power supply 2 and back-up source 3.The two-way input of its input power supply 2 is connected with HZ2 with two-way 380V three-phase alternating current HZ1 respectively, can open the power supply of K1 and K2 selection input by inlet wire, possesses the function of autotomying mutually between K1, the K2.
Described input power supply 2 comprises the supply module 5 (MK2 and MK3) of two parallel connections, described three-phase alternating current is converted to the direct current of 220V through supply module 5, and export dc bus 4 to, and be each subsystem (such as pitch-controlled system, yaw system, master control system, lubricating system etc.) HL1 power supply by the switch QF1 that feeds out of dc bus.Each wind-powered electricity generation control subsystem unification feeds out switch by dc bus and connects on the dc bus 4, and is the power supply of accepting electric supply installation by the switch that feeds out of dc bus, accepts the 220V DC power supply.Two supply modules 5 (MK2 and the MK3) flow equalizing circuit by inside modules when operate as normal that is disposed is born 50% load separately, standby each other under the module failure situation, promptly therein one break down and stop when dc bus 4 power supply, another can continue power supply.
Described input power supply 2 also comprises a charging module 6 (MK1), and it has rectification adverser and direct-current supervision unit (not shown), is that back-up source 3 charges when the energising of input power supply.Back-up source 3 comprises direct-flow storage battery 7, also comprises back-up source Monitoring and Controlling unit 8, by cell voltage sampler FU7 and battery current sampler FL1 the state of described back-up source 7 is monitored; The output of charging module 6 also comprises by a plurality of diode in series 9 (V01) and by-pass cock KA1, KA2, KA3 as regulon, thereby with the voltage-regulation control floating current to battery pack 7; Back-up source 3 also comprises an activation switch HK5, by discharging timely to eliminate the memory effect of storage battery.
The output of back-up source 3 also is connected to dc bus 4 by current sampling resistor FL2, all stop under the situation of dc bus 4 power supplies (such as breaking down) at two supply modules 2, this moment is because the voltage of battery pack is higher than dc bus, the combination conducting of diode and by-pass cock, by battery pack to DC bus powered, it is stable to make the voltage of dc bus keep, and is each subsystem (such as pitch-controlled system, yaw system, master control system, lubricating system etc.) HL1 power supply by the switch QF1 that feeds out of dc bus.
In addition, electric supply installation 1 of the present utility model also comprises monitoring running state warning device 10.The module map of described monitoring running state warning device 10 as shown in Figure 3, it comprises that back-up source Monitoring and Controlling unit 8, direct-current supervision unit (comprise current sampling resistor FU1, FU2, FU3, FU4 and FL2, monitor in order to current status dc bus), exchange monitoring unit (a1b1c1, a2b2c2), monitoring module PLC, communication interface RS232 and (carry out communication with higher level SCADA system etc., in time with uploading information data and be convenient to the operations staff and carry out remote monitoring), and display, in order to show the monitor state of each monitoring unit.
In the present embodiment, it is standby each other that two-way exchanges input itself, and two supply modules are standby each other, and can also pass through powered battery when the two-way power supply loses simultaneously, make unit be transformed into safe condition, improved the reliability of system greatly.But those skilled in the art should be understood that the power supply that also can use other quantity.
In the present embodiment, a whole set of electric supply installation 1 is arranged in the pedestal of blower fan column foot, and the attendant can directly safeguard in the face of power supply on ground and overhaul, and needn't arrive the cabin and carry out power-source maintenance, significantly reduced the cost of safeguarding, but also can in other positions that are arranged on column foot.
Because adopting centralized and unifiedly provides power supply (comprising back-up source) for each subsystem, thereby each subsystem no longer needs to dispose independent back-up source, make the design of each subsystem, structure is simplified, reduce system cost, can unify battery is safeguarded, reduce operations staff's maintenance workload.Because disposing the operating state that supervising device can monitoring power supply and reporting to the police of centrally connected power supply also has communication interface simultaneously, makes the operations staff to handle hidden danger as early as possible by the fault of online detection discovery power supply early, the safe operation of guarantee unit.
In sum, be a kind of preferred embodiment of the present utility model described in this specification.All technical staff in the art comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in claim protection range of the present utility model.
Claims (10)
1, a kind of electric supply installation of blower fan control system, described blower fan control system comprises a plurality of subsystems by described electric supply installation power supply, described electric supply installation comprises input power supply, back-up source and power supply buses, it is characterized in that, described input power supply and described back-up source are electrically connected with described power supply buses respectively, also are electrically connected with described a plurality of subsystems by described power supply buses, and described back-up source is charged by described input power supply and powers to described a plurality of subsystems by described power supply buses when the input power supply quits work.
2, the electric supply installation of blower fan control system as claimed in claim 1, it is characterized in that, described input power supply comprises supply module and charging module, described supply module is electrically connected with described a plurality of subsystems by described power supply buses and to its power supply, described charging module is electrically connected with described back-up source and it is charged.
3, the electric supply installation of blower fan control system as claimed in claim 2, it is characterized in that, described electric supply installation also comprises the back-up source Monitoring and Controlling unit that is electrically connected respectively with described charging module and described back-up source, and the charging process of described charging module to described back-up source monitored and controlled in described back-up source Monitoring and Controlling unit to the state of described back-up source.
4, the electric supply installation of blower fan control system as claimed in claim 2 is characterized in that, described supply module is the supply module of two or more parallel operations.
5, the electric supply installation of blower fan control system as claimed in claim 1, it is characterized in that, described back-up source comprises battery pack, also be provided with regulon in the output of described charging module and be electrically connected with described power supply buses by described regulon, in order to the charging current of regulating described battery pack with prolongation battery useful life; Described regulon comprises the electric component of a plurality of series connection that are used to regulate described battery voltage and by a plurality of by-pass cockes of combination to realize that output voltage is regulated mutually.
6, the electric supply installation of blower fan control system as claimed in claim 1 is characterized in that, described electric supply installation also comprises the monitoring running state warning device.
As the electric supply installation of each described blower fan control system in the claim 1 to 6, it is characterized in that 7, described power supply buses is a dc bus, described input power supply comprises rectification adverser, and described back-up source is a direct-flow storage battery.
8, the electric supply installation of blower fan control system as claimed in claim 7 is characterized in that, described supply module and described charging module comprise rectification adverser.
The electric supply installation of described blower fan control system is characterized in that when 9, quoting claim 5 as claim 7, and described electric component is a diode.
10, the electric supply installation of blower fan control system as claimed in claim 7 is characterized in that, described back-up source also comprises the activation switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201528378U CN201260091Y (en) | 2008-09-08 | 2008-09-08 | Electricity supply device for wind motor control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201528378U CN201260091Y (en) | 2008-09-08 | 2008-09-08 | Electricity supply device for wind motor control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201260091Y true CN201260091Y (en) | 2009-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201528378U Expired - Lifetime CN201260091Y (en) | 2008-09-08 | 2008-09-08 | Electricity supply device for wind motor control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201260091Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414226A (en) * | 2013-08-14 | 2013-11-27 | 上海电机学院 | Draught fan variable pitch storage battery device |
| CN106253459A (en) * | 2016-08-17 | 2016-12-21 | 上海电机学院 | A kind of access circuit structure of wind generating set pitch control and master control back-up source |
-
2008
- 2008-09-08 CN CNU2008201528378U patent/CN201260091Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414226A (en) * | 2013-08-14 | 2013-11-27 | 上海电机学院 | Draught fan variable pitch storage battery device |
| CN106253459A (en) * | 2016-08-17 | 2016-12-21 | 上海电机学院 | A kind of access circuit structure of wind generating set pitch control and master control back-up source |
| CN106253459B (en) * | 2016-08-17 | 2019-07-05 | 上海电机学院 | A kind of access circuit structure of wind generating set pitch control and master control backup power supply |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090617 |