CN209233454U - Anti-error closing controller for wind-driven generator - Google Patents
Anti-error closing controller for wind-driven generator Download PDFInfo
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- CN209233454U CN209233454U CN201920221832.4U CN201920221832U CN209233454U CN 209233454 U CN209233454 U CN 209233454U CN 201920221832 U CN201920221832 U CN 201920221832U CN 209233454 U CN209233454 U CN 209233454U
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- wind
- driven generator
- control box
- output end
- input interface
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Abstract
The utility model proposes a kind of anti-error closing controllers for wind-driven generator, and including control box and the protection circuit being arranged in outside control box, the control box includes multiple input interfaces, liquid crystal display, button assembly and control circuit；The output end of the input interface connection wind-driven generator, the input interface are also connected with the output end of wind power generation transformer；The input interface, liquid crystal display and button assembly are separately connected control circuit；The input terminal of the protection circuit is connected with the zero curve of the 230V of wind power generation transformer.The electrification situation of breaker and device for under-voltage releasing equipment can be changed by the way that control circuit and button assembly, operating personnel is arranged in control box by key.Ensure not closing a floodgate under column foot；It is independently-powered to control box, is totally independent of other operating systems of blower, when controlling box and/or protection circuit any part stops failure, does not influence the work of blower other parts, unit can operate normally.
Description
Technical field
The utility model relates to technical field of wind power generator, in particular to a kind of anti-error closing for wind-driven generator
Controller.
Background technique
Five-preventing system is the important link of electricity power enterprise's safety in production, and for wind power industry, five-preventing system is always
It cannot be introduced into blower, be only capable of avoiding security risk when operation 690V electricity as far as possible by safety code.In the wind of high-power grade
In machine, for save the cost, usually main transformer is placed in cabin.In general, Field Force makees in the circuit 690V
It when industry, needs first to carry out higher level's breaker disjunction again later operation, after Yu Zuoye, notifies higher level breaker operator people
Member's power transmission.When there is personnel to safeguard in cabin, it is possible to the personnel under occurring do not know above have a maintenance personnel and
Maloperation is carried out, in the process, once the problems such as encountering higher level breaker operator human error, worker safety can not be protected
Barrier, because of power transmission personnel's operation error, leads to the accident of operating personnel's death, commonplace.
Utility model content
The purpose of this utility model aims to solve at least one of the technological deficiency.
For this purpose, a purpose of the utility model is to propose a kind of anti-error closing controller for wind-driven generator,
The function of realizing the safety in production five-preventing system in wind-power electricity generation direction directly passes through key group on control box by operating personnel
After part authorization, upper level breaker can carry out closing operation, can fundamentally prevent a possibility that maloperation, improve
The personal safety of work on the spot.
To achieve the goals above, the embodiment of the utility model one side provides a kind of for the anti-error of wind-driven generator
Switching-on controller, including control box and the protection circuit being arranged in outside control box, the control box includes multiple input interfaces, liquid
Crystal display screen, button assembly and control circuit；The output end of the input interface connection wind-driven generator, the input interface is also
Connect the output end of wind power generation transformer；The input interface, liquid crystal display and button assembly are separately connected control circuit；
The input terminal of the protection circuit is connected with the zero curve of the 230V of wind power generation transformer, and the output end of the protection circuit connects
Connect the input interface of control box.
Preferably, the input interface is at least provided with 8, wherein the first input interface to third input interface is separately connected
UVW three-phase terminal of the output end of wind-driven generator.
In any of the above-described scheme preferably, the control circuit includes current transformer, voltage transformer, AD conversion
Device and single-chip microcontroller；The current transformer connects the input terminal of converter, the AD conversion with the output end of voltage transformer
The input terminal of the output end connection single-chip microcontroller of device, the output end connection protection circuit of the single-chip microcontroller.
In any of the above-described scheme preferably, the protection circuit include air switch, relay, device for under-voltage releasing equipment and
Overvoltage protector；The zero curve of the 230V of one end connection wind power generation transformer of the air switch, the other end of air switch
The input terminal of device for under-voltage releasing equipment and the input terminal of overvoltage protector are connected, the output end ground connection of the overvoltage protector is described to owe
The firewire of the 230V of the output end connection wind power generation transformer of buckle releaser is pressed, and is connected to an input interface of control box.
In any of the above-described scheme preferably, the button assembly includes at least three keys.
In any of the above-described scheme preferably, status indicator lamp, the status indicator lamp are additionally provided on the control box
It is connected with single-chip microcontroller.
In any of the above-described scheme preferably, the status indicator lamp is at least provided with 3.
In any of the above-described scheme preferably, be additionally provided with power circuit in the control box, the power circuit it is defeated
Enter the output end that end connects wind power generation transformer by power interface, the output end of the power circuit connects single-chip microcontroller.
According to a kind of anti-error closing controller for wind-driven generator provided by the embodiment of the utility model, solves mesh
The blank of five-preventing system in preceding wind power plant, by the way that control circuit and button assembly, operating personnel is arranged in control box
The electrification situation of breaker and device for under-voltage releasing equipment can be changed by key.It, will in the case that control box is triggered
Device for under-voltage releasing equipment power-off, it is ensured that breaker can not close a floodgate；
It is independently-powered to control box, is totally independent of other operating systems of blower, when control box and/or protection any portion of circuit
When dividing stopping failure, the work of blower other parts is not influenced, and unit can operate normally.
The additional aspect of the utility model and advantage will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is that a kind of circuit of anti-error closing controller for wind-driven generator provided by the embodiment of the utility model connects
Binding composition
Fig. 2 is to control electricity in a kind of anti-error closing controller for wind-driven generator provided by the embodiment of the utility model
The circuit diagram on road.
In figure: 1, controlling box；2, input interface；3, liquid crystal display；4, button assembly；F1, air switch；KM, relay
Device；YU, device for under-voltage releasing equipment；F2, overvoltage protector；9, status indicator lamp；10, power interface；
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
As shown in Figure 1, a kind of anti-error closing controller for wind-driven generator provided by the embodiment of the utility model, packet
The protection circuit for including control box 1 and being arranged in outside control box 1, control box 1 include multiple input interfaces 2, liquid crystal display 3, press
Key asembly 4 and control circuit；Input interface 2 connects the output end of wind-driven generator, and input interface 2 is also connected with wind-power electricity generation transformation
The output end of device.
Wherein, input interface 2 is at least provided with 8, wherein 3 are three interfaces: input interface U, input interface V and defeated
Incoming interface W；It is separately connected UVW three-phase terminal of the output end of wind-driven generator.It further include 3 grounding ports, ground connection connects
Mouth NO, ground interface COM, ground interface L are separately connected the zero curve of the power supply line of wind power generation transformer output；It further include 2
Interface, i.e., two interface N in figure, the firewire of the power supply line of interface N connection wind power generation transformer output.
Further, input interface 2, liquid crystal display and button assembly 4 are separately connected control circuit；Protect the input of circuit
End is connected with the zero curve of the 230V of wind power generation transformer, and the output end of circuit is protected to connect the input interface 2 of control box 1.
Button assembly 4 includes at least three keys.Button assembly 4 can be carried out authenticating operation for cabin service personnel, and cabin overhauls people
For member first by pressing the button component, single-chip microcontroller receives control interface COM output high level after the push button signalling of service personnel.
When blower works normally, maintenance personal is not necessarily to upper tower, by high-voltage electricity transformation is 690V three in high voltage supply network
Mutually electricity is that wind-driven generator provides driving excitation, and the high-voltage electricity of 690V is main circuit, wherein use dry-type transformer T to divide for
Air switch is installed in the maintenance circuit of 220V-240V on the maintenance circuit, and when air switch closes a floodgate, maintenance circuit obtains electric
It can repair.
Protecting circuit includes air switch F1, relay KM, device for under-voltage releasing equipment YU and overvoltage protector F2；Air switch F1
One end connection wind power generation transformer 230V zero curve, air switch F1 the other end connection device for under-voltage releasing equipment YU input
The input terminal at end and overvoltage protector F2, the output end ground connection of overvoltage protector F2, the output end of device for under-voltage releasing equipment YU connect wind
The firewire of the 230V of power power generation transformer, and it is connected to an input interface 2 of control box 1.
When the present embodiment is in use, under normal condition, after air switch is closed power transmission, the electricity of device for under-voltage releasing equipment is attracted, this
Staff below Shi Taji can control air switch F1, carry out combined floodgate power transmission operation, when it is time for repair, below column foot
Staff make F1 open a sluice gate to power off, for cabin service personnel first by pressing the button component, single-chip microcontroller receives service personnel
Push button signalling after control relay the contact DO (i.e. interface COM and interface NO) export high level, at this time relay KM power off,
Device for under-voltage releasing equipment power loss emergency stop, at this point, air switch F1 combined floodgate power transmission is controlled even if column foot lower work personnel, it will not be right
The on off operating mode of relay and de- mouthpart has an impact, and the staff in cabin is protected not cause the person because of maloperation
It is dangerous.Due to controlling three-phase terminal of three interfaces U, V, W connection blower of box, three interfaces U, V, W connection control electricity
Road, the three-phase electric signal that control circuit will receive carry out circuit conversion, and the electric parameter formed after conversion are sent to liquid
Crystal display screen shows, maintenance personal can determine how maintenance by checking the electric parameter of liquid crystal display screen display at this time.
It should be noted that being realized by pressing the button component to relay DO after cabin crew maintenance
The reset of contact, the staff under column foot restores the control to blower at this time.
As shown in Fig. 2, the present embodiment further expands the control circuit in above-described embodiment, control circuit includes
Current transformer, voltage transformer, converter U1 and single-chip microcontroller U0；Current transformer is connected with the output end of voltage transformer
The input terminal of converter, the input terminal of the output end connection single-chip microcontroller of converter, the output end connection protection electricity of single-chip microcontroller
Road.
In the present embodiment, current transformer connects each interface of three interfaces U, V, W with voltage sensor, this
Wiring can measure three phase unbalance current, can play under any phase fault, single-phase short circuit, ground fault short-circuit conditions
Measurement and protection effect.The current analog signal of acquisition and voltage analog signal are sent to by current transformer and voltage transformer
Converter, converter converts analog signals into digital signal, and the digital signal after conversion is sent to single-chip microcontroller, single
The digital signal that piece machine will receive, i.e. voltage parameter and current parameters are sent to LCD display interface, by LCD liquid crystal display
Screen is shown.
It is additionally provided with status indicator lamp 9 on control box 1, status indicator lamp 9 is connected with single-chip microcontroller.Status indicator lamp 9 is at least
Equipped with 3.Power circuit is additionally provided in control box 1, the input terminal of power circuit connects wind-power generating variable by power interface 10
The output end of the output end of depressor, power circuit connects single-chip microcontroller.It should be noted that wherein, a status indicator lamp connection
Power circuit is used to indicate the working condition of power circuit, the power pin of a status indicator lamp connection single-chip microcontroller, for referring to
Show the working condition of single-chip microcontroller, another indicator light connects the contact DO of relay, is used to indicate the working condition of relay.It is logical
It crosses in control box and control circuit and button assembly is set, operating personnel can be to breaker and device for under-voltage releasing equipment by key
Electrification situation changes.In the case that control box is triggered, device for under-voltage releasing equipment is powered off, it is ensured that breaker can not close a floodgate；
It is independently-powered to control box, is totally independent of other operating systems of blower, when control box and/or protection circuit any part stop event
When barrier, the work of blower other parts is not influenced, and unit can operate normally.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model
Principle and objective in the case where above-described embodiment can be changed in the scope of the utility model, modify, replace and
Modification.The scope of the utility model is by appended claims and its equivalent limits.
Claims (8)
1. a kind of anti-error closing controller for wind-driven generator, including control box and the protection circuit being arranged in outside control box
It is characterized in that, the control box includes multiple input interfaces, liquid crystal display, button assembly and control circuit；The input
Interface connects the output end of wind-driven generator, and the input interface is also connected with the output end of wind power generation transformer；The input
Interface, liquid crystal display and button assembly are separately connected control circuit；
The input terminal of the protection circuit is connected with the zero curve of the 230V of wind power generation transformer, the output of the protection circuit
The input interface of end connection control box.
2. the anti-error closing controller according to claim 1 for wind-driven generator, which is characterized in that the input connects
Mouth is at least provided with 8, wherein the first input interface to third input interface is separately connected the UVW tri- of the output end of wind-driven generator
Connect line terminals.
3. the anti-error closing controller according to claim 2 for wind-driven generator, which is characterized in that the control electricity
Road includes current transformer, voltage transformer, converter and single-chip microcontroller；The output of the current transformer and voltage transformer
End connection converter input terminal, the converter output end connection single-chip microcontroller input terminal, the single-chip microcontroller it is defeated
Outlet connection protection circuit.
4. the anti-error closing controller according to claim 1 for wind-driven generator, which is characterized in that the protection electricity
Road includes air switch, relay, device for under-voltage releasing equipment and overvoltage protector；One end of the air switch connects wind-power generating variable
The zero curve of the 230V of depressor, the input terminal of the other end connection device for under-voltage releasing equipment of air switch and the input terminal of overvoltage protector,
The output end of the overvoltage protector is grounded, the fire of the 230V of the output end connection wind power generation transformer of the device for under-voltage releasing equipment
Line, and it is connected to an input interface of control box.
5. the anti-error closing controller according to claim 1 for wind-driven generator, which is characterized in that the key group
Part includes at least three keys.
6. the anti-error closing controller according to claim 3 for wind-driven generator, which is characterized in that the control box
On be additionally provided with status indicator lamp, the status indicator lamp is connected with single-chip microcontroller.
7. the anti-error closing controller according to claim 6 for wind-driven generator, which is characterized in that the state refers to
Show lamp at least provided with 3.
8. the anti-error closing controller according to claim 1 for wind-driven generator, which is characterized in that the control box
In be additionally provided with power circuit, the input terminal of the power circuit connects the output end of wind power generation transformer by power interface,
The output end of the power circuit connects single-chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920221832.4U CN209233454U (en) | 2019-02-22 | 2019-02-22 | Anti-error closing controller for wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920221832.4U CN209233454U (en) | 2019-02-22 | 2019-02-22 | Anti-error closing controller for wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209233454U true CN209233454U (en) | 2019-08-09 |
Family
ID=67511187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920221832.4U Active CN209233454U (en) | 2019-02-22 | 2019-02-22 | Anti-error closing controller for wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209233454U (en) |
-
2019
- 2019-02-22 CN CN201920221832.4U patent/CN209233454U/en active Active
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