CN206135532U - Become reserve power supply unit of oar system - Google Patents
Become reserve power supply unit of oar system Download PDFInfo
- Publication number
- CN206135532U CN206135532U CN201621153071.6U CN201621153071U CN206135532U CN 206135532 U CN206135532 U CN 206135532U CN 201621153071 U CN201621153071 U CN 201621153071U CN 206135532 U CN206135532 U CN 206135532U
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- pitch
- controlled system
- supply installation
- electric supply
- direct current
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Abstract
The utility model discloses a become reserve power supply unit of oar system, the device including each other parallelly connected back and electric NULL circuit and the direct current input circuit who is connected of DC power supply output, the NULL circuit include the alternating current -direct current conversion unit, the one end and the alternating current power supply input electricity of this alternating current -direct current conversion unit are connected, the other end selects the diode electricity to be connected with first height, the relay is connected with the alternating current -direct current conversion unit is electric in addition, the normally open contact of relay does not open when the alternating current -direct current conversion unit has the electric energy to export, closure when having the electric energy to export, direct current input circuit include the DC power supply input and with it the second height connected of electricity select the diode. The utility model discloses a become reserve power supply unit of oar system, its NULL circuit is connected with outside electric wire netting, and its direct current input circuit then is connected with the group battery that becomes the oar system, and under the condition the that externally electric wire netting is normal, the DC voltage that is formed by the ac inversion of outside electric wire netting is higher than the battery voltage that becomes the oar system, has reduced the use number of times of group battery, prolongs its life.
Description
Technical field
This utility model is related to the variable blade control system field of wind-driven generator, more particularly to the one kind in the field
The back-up source electric supply installation of pitch-controlled system.
Background technology
Electric power, is indispensable form of energy in daily production and life.Traditional thermal power generation not only will be consumed greatly
The fossil resource of amount, and substantial amounts of greenhouse gases can be discharged；Although nuclear energy power generation not emission greenhouse gas, unusual danger
Danger, once there is accident, will cause irreversible destruction, so various countries are all being greatly developed with wind-force in recent years to environment
Generate electricity as the clean energy resource of representative.
The battery system of fan paddle-changing system is used to be used as stand-by power supply in electric network power-fail, due in battery system
Set of cells be located in the wheel hub of blower fan, working environment is extremely complex, rotation, vibrations, high temperature, low temperature, and excessive use is all
The life-span of set of cells can be impacted.Pitch-controlled system of the prior art is powered for standby 24V power supplys using set of cells,
Cause battery set charge/discharge frequently, affect the service life of set of cells.
Utility model content
Technical problem to be solved in the utility model, is just to provide one kind in the case of electric network source is normal using electricity
The back-up source electric supply installation of the pitch-controlled system that net electricity is powered for standby 24V power supplys.
In order to solve above-mentioned technical problem, this utility model is adopted the following technical scheme that：
A kind of back-up source electric supply installation of pitch-controlled system, it is theed improvement is that：Described device includes parallel with one another
The ac input circuit for electrically connecting with DC power output end afterwards and direct-flow input circuit；Described ac input circuit includes handing over
Stream DC conversion unit, one end of the AC/DC converting unit electrically connects with ac power input end, and the other end is high with first
Select diode to electrically connect, electrically connect with AC/DC converting unit in addition with relay, the normally opened contact of relay is in exchange
Open when DC conversion unit does not have electric energy to export, close when having electric energy to export；Described direct-flow input circuit includes unidirectional current
Source input and the second height being electrically connected select diode.
Further, described AC/DC converting unit includes being connected to solenoid and the company of ac power input end
The booster circuit module that the first height selects diode is connected to, described booster circuit module is by rectification filtering module and solenoid
Electrical connection, PWM control modules electrically connect to adjust its output voltage with booster circuit module.
Further, described ac input circuit also includes electrically connecting finger with exchanging for ac power input end electrical connection
Showing device.
Further, described direct-flow input circuit also includes electrically connecting finger with the direct current of DC supply input electrical connection
Showing device.
Further, described instruction device is display lamp.
Further, the normally opened contact of the relay electrically connects display lamp electrical connection with direct current.
Further, described relay is electrically connected by inductance capacitance with AC/DC converting unit.
Further, described DC supply input is electrically connected with the set of cells or capacitance group of pitch-controlled system.
Further, the normally opened contact of the relay turns the electrical connection of DC state instruction device with exchanging.
Further, described exchange turns DC state instruction device for display lamp.
The beneficial effects of the utility model are：
The back-up source electric supply installation of pitch-controlled system disclosed in the utility model, its ac input circuit and external electrical network
Connection, the alternating current of external electrical network is converted into unidirectional current by AC/DC converting unit therein, its direct-flow input circuit then with
The set of cells of pitch-controlled system is connected, in the case of external electrical network is normal, by converted straight of the alternating current of external electrical network
Stream voltage selects the effect of diode higher than the battery voltage of pitch-controlled system in height, uses in the case of external electrical network is normal
External electrical network electricity is powered for standby 24V power supplys, is only just switched to using pitch-controlled system in the case of external electrical network loss
Set of cells is powered for standby 24V power supplys, which reduces the access times of set of cells, extends its service life.
Described ac input circuit also includes electrically connecting display lamp with exchanging for ac power input end electrical connection, described
Direct-flow input circuit also include electrically connecting display lamp with the direct current of DC supply input electrical connection, the relay it is normally opened
Contact turns the electrical connection of DC state display lamp with exchanging, no matter alternating current power supply, DC source or AC/DC converting unit, no
Which link managed and is gone wrong and can be clearly indicated, conveniently keeped in repair and use.
Description of the drawings
Fig. 1 is the structural representation of the back-up source electric supply installation of the pitch-controlled system disclosed in this utility model embodiment 1.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain
This utility model, is not used to limit this utility model.
Embodiment 1, as shown in figure 1, present embodiment discloses a kind of back-up source electric supply installation of pitch-controlled system, described
Device includes the rear ac input circuit 2 electrically connected with DC power output end 1 parallel with one another and direct-flow input circuit 3；It is described
Ac input circuit 2 include AC/DC converting unit 21, one end of the AC/DC converting unit 21 is defeated with alternating current power supply
Enter end 22 to electrically connect, the other end selects diode 23 to electrically connect with the first height, in addition with relay 4 and AC/DC converting unit
21 electrical connections, the normally opened contact 41 of relay 4 is opened when AC/DC converting unit 21 is exported without electric energy, has electric energy to export
When close；Described direct-flow input circuit 3 includes that DC supply input 31 selects diode 32 with the second height being electrically connected.
Alternatively, the alternating voltage of ac power input end is 180V-400V in the present embodiment,
The DC voltage of AC/DC converting unit output is 345V ± 2V, the battery voltage 328.8V of pitch-controlled system（24 Battery packs,
Per Battery pack voltage 13.7V）.
Because being higher than the battery voltage of pitch-controlled system by the converted DC voltage of the alternating current of external electrical network, in height
The effect of diode is selected, is powered for standby 24V power supplys using external electrical network electricity in the case of external electrical network is normal, only outside
Portion's electrical network is just switched in the case of losing and is powered for standby 24V power supplys using the set of cells of pitch-controlled system, be which reduces
The access times of set of cells, extend its service life.The normally opened contact of relay does not have electric energy defeated in AC/DC converting unit
Open when going out, close when having electric energy to export, can be used for detecting the working condition of AC/DC converting unit.
Alternatively, in the present embodiment, described AC/DC converting unit 21 includes connection
To ac power input end solenoid 211 and be connected to the booster circuit module 212 that the first height selects diode 23, it is described
Booster circuit module 212 is electrically connected by rectification filtering module 213 with solenoid 211, PWM control modules 214 with rise piezoelectricity
Road module 212 electrically connects to adjust its output voltage.
Alternatively, in the present embodiment, described ac input circuit also includes and alternating current
The exchange of source input electrical connection electrically connects display lamp.Described direct-flow input circuit also includes being electrically connected with DC supply input
The direct current for connecing electrically connects display lamp.When there is power input, display lamp is lighted, and is otherwise extinguished, to indicate whether power supply is connected.
Alternatively, in the present embodiment, can be with the normally opened contact and unidirectional current of relay
Connect display lamp electrical connection.It is so only working properly in AC/DC converting unit and when having DC supply input, Cai Nengdian
Bright direct current electrically connects display lamp, so as to realizing the working condition to AC/DC converting unit and whether having DC supply input
Synchronous detecting.
Alternatively, in the present embodiment, described relay 4 passes through inductance capacitance 5 and exchanges
DC conversion unit 21 is electrically connected.Described DC supply input is electrically connected with the set of cells or capacitance group of pitch-controlled system.
The normally opened contact of the relay turns the electrical connection of DC state instruction device with exchanging.Described exchange turns DC state and indicates dress
It is set to display lamp.
Claims (10)
1. the back-up source electric supply installation of a kind of pitch-controlled system, it is characterised in that：Described device include it is parallel with one another after with it is straight
The ac input circuit and direct-flow input circuit of stream power output end electrical connection；Described ac input circuit includes AC/DC
Converting unit, one end of the AC/DC converting unit electrically connects with ac power input end, and the other end and the first height select two poles
Pipe is electrically connected, and is electrically connected with AC/DC converting unit in addition with relay, and the normally opened contact of relay turns in AC/DC
Change and opened when unit does not have electric energy to export, close when having electric energy to export；Described direct-flow input circuit includes DC supply input
End and the second height being electrically connected select diode.
2. the back-up source electric supply installation of pitch-controlled system according to claim 1, it is characterised in that：Described AC/DC
Converting unit includes being connected to the solenoid of ac power input end and is connected to the booster circuit mould that the first height selects diode
Block, described booster circuit module is electrically connected by rectification filtering module with solenoid, PWM control modules and booster circuit mould
Block electrically connects to adjust its output voltage.
3. the back-up source electric supply installation of pitch-controlled system according to claim 1, it is characterised in that：Described exchange input
Circuit also includes electrically connecting instruction device with exchanging for ac power input end electrical connection.
4. the back-up source electric supply installation of pitch-controlled system according to claim 1, it is characterised in that：Described direct current input
Circuit also includes electrically connecting instruction device with the direct current of DC supply input electrical connection.
5. the back-up source electric supply installation of the pitch-controlled system according to claim 3 or 4, it is characterised in that：Described instruction
Device is display lamp.
6. the back-up source electric supply installation of pitch-controlled system according to claim 5, it is characterised in that：The relay it is normal
Open contact and display lamp electrical connection is electrically connected with direct current.
7. the back-up source electric supply installation of pitch-controlled system according to claim 1, it is characterised in that：Described relay leads to
Cross inductance capacitance to electrically connect with AC/DC converting unit.
8. the back-up source electric supply installation of pitch-controlled system according to claim 1, it is characterised in that：Described DC source
Input is electrically connected with the set of cells or capacitance group of pitch-controlled system.
9. the back-up source electric supply installation of pitch-controlled system according to claim 1, it is characterised in that：The relay it is normal
Open contact and turn the electrical connection of DC state instruction device with exchanging.
10. the back-up source electric supply installation of pitch-controlled system according to claim 9, it is characterised in that：Described exchange turns
DC state instruction device is display lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621153071.6U CN206135532U (en) | 2016-10-31 | 2016-10-31 | Become reserve power supply unit of oar system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621153071.6U CN206135532U (en) | 2016-10-31 | 2016-10-31 | Become reserve power supply unit of oar system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206135532U true CN206135532U (en) | 2017-04-26 |
Family
ID=58575367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621153071.6U Active CN206135532U (en) | 2016-10-31 | 2016-10-31 | Become reserve power supply unit of oar system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206135532U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017245A (en) * | 2019-03-30 | 2019-07-16 | 埃斯倍风电科技(青岛)有限公司 | A kind of double redundancy control circuits and method for driving motor internal contracting brake in pitch-controlled system |
| CN112398318A (en) * | 2020-10-29 | 2021-02-23 | 星展测控科技股份有限公司 | Power supply control device and communication-in-motion equipment |
-
2016
- 2016-10-31 CN CN201621153071.6U patent/CN206135532U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017245A (en) * | 2019-03-30 | 2019-07-16 | 埃斯倍风电科技(青岛)有限公司 | A kind of double redundancy control circuits and method for driving motor internal contracting brake in pitch-controlled system |
| CN110017245B (en) * | 2019-03-30 | 2024-01-26 | 埃斯倍风电科技(青岛)有限公司 | Redundant control circuit and method for motor band-type brake in double-drive variable-pitch system |
| CN112398318A (en) * | 2020-10-29 | 2021-02-23 | 星展测控科技股份有限公司 | Power supply control device and communication-in-motion equipment |
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