CN205846740U - A kind of wind-power electricity generation frequency conversion device chopper and rear end copper bar quick-assembling connecting structure - Google Patents
A kind of wind-power electricity generation frequency conversion device chopper and rear end copper bar quick-assembling connecting structure Download PDFInfo
- Publication number
- CN205846740U CN205846740U CN201620568991.8U CN201620568991U CN205846740U CN 205846740 U CN205846740 U CN 205846740U CN 201620568991 U CN201620568991 U CN 201620568991U CN 205846740 U CN205846740 U CN 205846740U
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- CN
- China
- Prior art keywords
- terminal
- row
- copper bar
- chopper
- rear end
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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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- 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
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- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
This utility model relates to a kind of wind-power electricity generation frequency conversion device chopper and rear end copper bar quick-assembling connecting structure, including chopper, there is upper row's terminal chopper rear end, lower row's terminal, upper row's terminal, lower row's terminal all includes that three connect terminal, it is characterized in that: three connection terminals of described upper row's terminal connect the horizontal ends of row's copper bar respectively, three connection terminals of described lower row's terminal connect the horizontal ends of lower row's copper bar respectively, three connection terminal lower portion of described upper row's terminal install a top nut plate jointly, described upper row's copper bar, three connection terminals of upper row's terminal are fastenedly connected with top nut plate by upper row's nut；Three connection terminal lower portion of described lower row's terminal install nutplate jointly, and described lower row's copper bar, three connection terminals of lower row's terminal are fastenedly connected with lower nut plate by lower row's nut.This utility model scientific structure design is reasonable, it is achieved that chopper and the Fast Installation of rear end copper bar, saves the time, improves work efficiency.
Description
Technical field
This utility model relates to open circuit row's attachment structure to be improved, particularly to a kind of wind-power electricity generation frequency conversion device chopper with after
End copper bar quick-assembling connecting structure.
Background technology
Converter is requisite vitals in wind power generating set.Converter is by double-fed asynchronous wind-power electricity generation
The rotor of machine carries out excitation so that the amplitude of stator side output voltage of double-fed generator, frequency are identical with electrical network with phase place, and
And meritorious and idle independent uneoupled control can be carried out as required.Frequency Converter Control dual-feed asynchronous wind power generator realize soft also
Net, reduces the adverse effect that motor and electrical network are caused by grid-connected dash current.
Existing converter is made up of main circuit system, distribution system and control system.Including the grid-connected switch of stator, whole
Flow module, inversion module, input/output wave filter, IGBT, PLC, JCE1000-AXS current sensor, blower fan, active
The parts such as Crowbar circuit, controller, monitoring interface.Main circuit of converter system comprises rotor side inverter, dc bus list
Unit, grid side commutator.Distribution system is made up of grid-connected catalyst, main circuit breaker, relay, transformator etc., and self is integrated with
Grid-connection control system, user need not be reconfigured at grid-connection cabinet, improve level of integrated system, has saved cabin space, also can carry in cabinet
220V power supply for field adjustable.Control system is by high speed digital signal processor (DSP), man machine operation interface and able to programme patrols
Collect controller (PLC) to collectively form.Whole control system is equipped with uninterrupted power source (UPS), it is simple to during Voltage Drop, system has
Uninterrupted operation ability.
Above-mentioned each function is assigned in switch board, power cabinet, grid-connection cabinet.
Switch board: the various analog and digital signals gathered back are mainly analyzed by switch board, send control instruction, controls
The running status of current transformer.Switch board is mainly made up of Main Control Tank, PLC, wave filter, power module etc..
Power cabinet: the main transmission being responsible for rotor slip energy.Power cabinet mainly by power model, IGBT, PLC,
JCE1005-FS current sensor, blower fan, active C rowbar etc. are constituted.
Grid-connection cabinet: be mainly used in current transformer be connected with generator system and electrical network control, number control signal collection with
And the configuration of secondary circuit.Grid-connection cabinet is mainly by chopper, catalyst, signal collecting element, UPS, heater, signaling interface portion
Grade composition.
Need between chopper and catalyst to be attached by copper bar, and there are two rows arranged up and down chopper rear end
Terminal, needs to connect two row's copper bars.Existing copper bar is fixed by bolt, nut with chopper rear end terminal.Due to disconnected
Device rear end, road terminal is upper and lower two rows, and often row's terminal includes horizontally arranged three terminal, and each terminal is required to and copper bar
End is attached, and copper bar level connection joint end is the shortest, and therefore, its rear end terminal is less with the installing space of copper bar, manually enters
Row bolt, nut fixing operation extremely difficult, staff can not extend into the terminal lower portion of centre and carry out the fixing of nut, it is impossible to
Realize the connection of chopper and copper bar fast and effectively.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of simple in construction, it is achieved chopper with
Rear end copper bar is quickly fixing to be connected, and improves chopper and the rear end copper bar quick-assembling connecting structure of work efficiency.
This utility model solves its technical problem and is achieved through the following technical solutions:
A kind of wind-power electricity generation frequency conversion device chopper and rear end copper bar quick-assembling connecting structure, including chopper, chopper rear end
Three connect terminal to have upper row's terminal, lower row's terminal, upper row's terminal, lower row's terminal all to include, it is characterised in that: described upper row's end
Three connection terminals of son connect the horizontal ends of row's copper bar respectively, under three connection terminals of described lower row's terminal connect respectively
The horizontal ends of row's copper bar, three of described upper row's terminal connection terminal lower portion install a top nut plate jointly, described upper row's copper bar,
Three connection terminals of upper row's terminal are fastenedly connected with top nut plate by upper row's nut；Three companies of described lower row's terminal
Connecting terminal bottom installs nutplate jointly, and described lower row's copper bar, three connection terminals of lower row's terminal pass through lower row's nut
It is fastenedly connected with lower nut plate.
And, described upper row's copper bar, lower row's copper bar include the vertical section of horizontal ends and downward bending.
And, described nutplate is the square nutplate being shaped with many group bolts hole.
Advantage of the present utility model and having the beneficial effect that
1, this chopper and rear end copper bar quick-assembling connecting structure, three connection terminal lower portion of upper row's terminal install one jointly
Top nut plate, upper row's copper bar, three connection terminals of upper row's terminal are fastenedly connected with top nut plate by upper row's nut；Under
Three connection terminal lower portion of row's terminal install nutplate jointly, and lower row's copper bar, three connection terminals of lower row's terminal lead to
Cross down row's nut to be fastenedly connected with lower nut plate, when installing fastening, it is only necessary to operator fix nutplate,
The installation carrying out bolt from top connects, and staff is not required to stretch to copper bar bottom, facilitates the connection of breaker terminals and copper bar, real
Existing chopper is quickly connected with copper bar, saves the set-up time, improves work efficiency, it is ensured that connection reliability.
2, this chopper and rear end copper bar quick-assembling connecting structure, upper row's copper bar, lower row's copper bar include horizontal ends and roll over downwards
Curved vertical section, reasonable structural arrangement, it is to avoid space waste, and it is easy to the connection of other modules.
3, this chopper and rear end copper bar quick-assembling connecting structure, nutplate is the square nut being shaped with many group bolts hole
Plate so that being connected firmly between chopper and rear end copper bar, prevents part absent-mindedness from causing landing, and security performance is high.
4, this utility model scientific structure design is reasonable, it is achieved that chopper is quickly connected with rear end copper bar, operation side
Just, save the time, improve work efficiency, improve Product Safety and connection reliability.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model；
Fig. 2 is structural representation of the present utility model.
Description of reference numerals
Arrange on 1-chopper, 2-and on terminal, 3-, arrange row's nut, 7-lower nut under nut, 4-horizontal ends, the vertical section of 5-, 6-
Terminal, 9-top nut plate is arranged under plate, 8-.
Detailed description of the invention
Below by specific embodiment, the utility model is described in further detail, and following example are illustrative, no
It is determinate, it is impossible to limit protection domain of the present utility model with this.
A kind of wind-power electricity generation frequency conversion device chopper and rear end copper bar quick-assembling connecting structure, including chopper 1, chopper rear end
Three connect terminal to have upper row's terminal 2, lower row's terminal 8, upper row's terminal, lower row's terminal all to include, its innovation is: upper row
Three connection terminals of terminal connect the horizontal ends 4 of row's copper bar respectively, under three connection terminals of lower row's terminal connect respectively
The horizontal ends of row's copper bar, three connection terminal lower portion of upper row's terminal install a top nut plate 9, upper row's copper bar, upper row's end jointly
Three connection terminals of son are fastenedly connected with top nut plate by upper row's nut 3；Under three connection terminals of lower row's terminal
Nutplate 7 are installed in portion jointly, and lower row's copper bar, three connection terminals of lower row's terminal pass through lower row's nut 6 and lower nut plate
It is fastenedly connected, when installing fastening, it is only necessary to operator fix nutplate, can carry out the installation of bolt from top
Connecting, staff is not required to stretch to copper bar bottom, facilitates the connection of breaker terminals and copper bar, it is achieved chopper is quick with copper bar
Connect, save the set-up time, improve work efficiency, it is ensured that connection reliability.
Upper row's copper bar includes that the vertical section 5 of horizontal ends and downward bending, lower row's copper bar include horizontal ends and downward bending
Vertically section, reasonable structural arrangement, it is to avoid space waste, and it is easy to the connection of other modules.
Top nut plate, lower nut plate are the square nutplate being shaped with many group bolts hole so that chopper and rear end copper
Being connected firmly between row, prevents part absent-mindedness from causing landing, and security performance is high.
Although disclosing embodiment of the present utility model and accompanying drawing for the purpose of illustration, but those skilled in the art being permissible
Understanding: without departing from this utility model and spirit and scope of the appended claims, various replacements, to change and modifications be all can
Can, therefore, scope of the present utility model is not limited to embodiment and accompanying drawing disclosure of that.
Claims (3)
1. wind-power electricity generation frequency conversion device chopper and a rear end copper bar quick-assembling connecting structure, including chopper, chopper rear end has
Upper row's terminal, lower row's terminal, upper row's terminal, lower row's terminal all include that three connect terminal, it is characterised in that: described upper row's terminal
Three connection terminals connect the horizontal ends of row's copper bar respectively, three connection terminals of described lower row's terminal connect lower row respectively
The horizontal ends of copper bar, three of described upper row's terminal connection terminal lower portion install a top nut plate jointly, described upper row's copper bar, on
Three connection terminals of row's terminal are fastenedly connected with top nut plate by upper row's nut；Three connections of described lower row's terminal
Terminal lower portion installs nutplate jointly, described lower row's copper bar, lower row's terminal three connection terminals by lower row's nut with
Lower nut plate is fastenedly connected.
Chopper the most according to claim 1 and rear end copper bar quick-assembling connecting structure, it is characterised in that: described upper row's copper
Row, lower row's copper bar include the vertical section of horizontal ends and downward bending.
Chopper the most according to claim 1 and rear end copper bar quick-assembling connecting structure, it is characterised in that: described nutplate
It is shaped with the nutplate organizing bolt hole for square more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620568991.8U CN205846740U (en) | 2016-06-13 | 2016-06-13 | A kind of wind-power electricity generation frequency conversion device chopper and rear end copper bar quick-assembling connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620568991.8U CN205846740U (en) | 2016-06-13 | 2016-06-13 | A kind of wind-power electricity generation frequency conversion device chopper and rear end copper bar quick-assembling connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205846740U true CN205846740U (en) | 2016-12-28 |
Family
ID=58152352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620568991.8U Expired - Fee Related CN205846740U (en) | 2016-06-13 | 2016-06-13 | A kind of wind-power electricity generation frequency conversion device chopper and rear end copper bar quick-assembling connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205846740U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958541A (en) * | 2016-06-13 | 2016-09-21 | 天津瑞能电气有限公司 | Fast installation and connection structure for wind power generation converter circuit breaker and rear end copper bars |
-
2016
- 2016-06-13 CN CN201620568991.8U patent/CN205846740U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958541A (en) * | 2016-06-13 | 2016-09-21 | 天津瑞能电气有限公司 | Fast installation and connection structure for wind power generation converter circuit breaker and rear end copper bars |
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Legal Events
| 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: 20161228 Termination date: 20210613 |