CN218216698U - Energy storage device of wind turbine generator - Google Patents
Energy storage device of wind turbine generator Download PDFInfo
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- CN218216698U CN218216698U CN202222356778.9U CN202222356778U CN218216698U CN 218216698 U CN218216698 U CN 218216698U CN 202222356778 U CN202222356778 U CN 202222356778U CN 218216698 U CN218216698 U CN 218216698U
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Abstract
The utility model discloses a wind turbine generator system energy memory, including generating set, be in the intelligence switch A of off-state, be in the intelligence switch B of open mode, battery A, battery B, battery state monitoring module A, battery state monitoring module B, synchronous module, controller and intelligent switching module, battery A's voltage input end and intelligence switch A's output electric connection. The utility model discloses at the in-process of normal work, battery A switches the module through intelligence, DC-AC conversion module, wave filter and voltage detection device come to provide the low-voltage electricity for the case becomes, when voltage detection device detected to be less than the minimum voltage value through its inside voltage, can the automatic switch to battery B come through the intelligence switch-over module, DC-AC conversion module, wave filter and voltage detection device come to provide the low-voltage electricity for the case becomes, the normal operating that the case becomes has been guaranteed, still control intelligent switch A simultaneously and switch on, come to charge for battery A automatically.
Description
Technical Field
The utility model relates to a wind turbine generator system energy storage technical field especially relates to a wind turbine generator system energy memory.
Background
The traditional wind turbine generator system energy storage device comprises a battery, a DC-AC conversion module and a filter, wherein the DC-AC conversion module is electrically connected with the battery, the filter is electrically connected with the DC-AC conversion module, the battery is electrically mounted with a generator set through the DC-DC conversion module, the filter provides required low-voltage electricity for a box transformer substation through a voltage detection device, the electricity storage amount of the battery is certain, when electricity inside the battery is discharged, the energy storage device must stop supplying power for the box transformer substation to perform charging operation, and the wind turbine generator system energy storage device is provided based on the condition.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the wind turbine generator system energy memory who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an energy storage device of a wind turbine generator comprises a generator set, an intelligent switch A in a closed state, an intelligent switch B in an open state, a battery A, a battery B, a battery state monitoring module A, a battery state monitoring module B, a synchronization module, a controller and an intelligent switching module, wherein a voltage input end of the battery A is electrically connected with an output end of the intelligent switch A, a voltage input end of the battery B is electrically connected with an output end of the intelligent switch B, an input end of the intelligent switch A and an input end of the intelligent switch B are electrically connected with a same DC-DC conversion module which is electrically connected with the generator set, a voltage output end of the battery A and a voltage output end of the battery B are electrically connected with a same intelligent switching module which is in a conducting state with the battery A, an output end of the intelligent switching module is electrically connected with a DC-AC conversion module, an output end of the DC-AC conversion module is electrically connected with an input end of a filter, an output end of the filter is electrically connected with an input end of a voltage detection device, and the filter is electrically connected with a box transformer through the voltage detection device;
the control end of the voltage detection device is electrically connected with the controller, the control end of the voltage detection device is electrically connected with the synchronization module through the controller, and the synchronization module is respectively electrically connected with the controlled end of the intelligent switching module, the controlled end of the intelligent switch A and the controlled end of the intelligent switch B.
Preferably, the battery state monitoring module a is electrically connected with a battery state monitoring end of the battery a, the battery state monitoring module a is further electrically connected with a controlled end of the intelligent switch a, the battery state monitoring module a is started when the battery a is monitored to be in a charging state, and the intelligent switch a is automatically controlled to be turned off after the battery state monitoring module a in the starting state monitors that the battery a is fully charged.
Preferably, the battery state monitoring module B is electrically connected to a battery state monitoring end of the battery B, and the battery state monitoring module B is further electrically connected to a controlled end of the intelligent switch B, the battery state monitoring module B is started when monitoring that the battery B is in a charging state, and the battery state monitoring module B in the starting state automatically controls the intelligent switch B to be turned off when monitoring that the battery B is fully charged.
Preferably, the intelligent switching module is in a state of being connected with the battery a and in a state of being disconnected from the battery B, and the intelligent switching module is configured to perform intelligent switching between the battery a and the battery B.
Preferably, the voltage detection device may set a minimum voltage value inside the voltage detection device and detect a voltage passing through the voltage detection device, and the voltage detection device controls the synchronization module through the controller when detecting that the voltage inside the voltage detection device is lower than the set minimum voltage value.
Preferably, the synchronous module is under the control of the controller, if the intelligent switching module is conducted with the battery a at this time, the synchronous control module controls the intelligent switching module to switch from conducting with the battery a to conducting with the battery B, meanwhile, the synchronous module is also conducted with the intelligent switch A, if the intelligent switching module is conducted with the battery B at the moment, the synchronous control module controls the intelligent switching module to be switched to be conducted with the battery A from being conducted with the battery B, and meanwhile, the synchronous module is also conducted with the intelligent switch B.
Preferably, the intelligent switch B in the on state is used for charging the battery B by the DC-DC conversion module, and the DC-DC conversion module is used for converting the direct current generated by the generator set into the direct current required by the battery a and the battery B.
The utility model discloses at the in-process of normal work, battery A passes through the intelligence switching module, DC-AC conversion module, wave filter and voltage detection device come to provide low-voltage electricity for the case becomes, when voltage detection device detected to be less than the minimum voltage value through its inside voltage, can come to provide low-voltage electricity for the case becomes through intelligence switching module by automatic switch-over to battery B, DC-AC conversion module, wave filter and voltage detection device, the normal operating of case becomes has been guaranteed, still control intelligence switch A simultaneously and switch on, come to charge for battery A automatically.
Drawings
FIG. 1 is a system connection diagram of a wind turbine energy storage device in the prior art;
fig. 2 is the utility model provides a system connection diagram of wind turbine generator system energy memory.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 2, an energy storage device of a wind turbine generator system includes a generator set, an intelligent switch a in a closed state, an intelligent switch B in an open state, a battery a, a battery B, a battery state monitoring module a, a battery state monitoring module B, a synchronization module, a controller and an intelligent switching module, wherein a voltage input end of the battery a is electrically connected to an output end of the intelligent switch a, a voltage input end of the battery B is electrically connected to an output end of the intelligent switch B, an input end of the intelligent switch a and an input end of the intelligent switch B are electrically connected to a same DC-DC conversion module electrically connected to the generator set, the intelligent switch B in the open state is used for charging the battery B by the DC-DC conversion module, the DC-DC conversion module is used for converting DC generated by the generator set into DC required by the battery a and the battery B, a voltage output end of the battery a and a voltage output end of the battery B are electrically connected to the same intelligent switching module in the open state with the battery a, the intelligent switching module is in the open state with the battery B, the intelligent switching module is electrically connected to an output end of the intelligent switching module, an AC-DC conversion module is electrically connected to an AC-AC detection filter, and an AC filter is electrically connected to the AC conversion filter;
voltage detection device's control end and controller electric connection, and voltage detection device's control end passes through controller and synchronous module electric connection, synchronous module respectively with the controlled end of intelligence switch module, intelligent switch A's controlled end and intelligent switch B's controlled end electric connection, the utility model discloses at the in-process of normal work, battery A provides low-voltage electricity for the case becomes through intelligence switch module, DC-AC conversion module, wave filter and voltage detection device, when voltage detection device detects to be less than the minimum voltage value through its inside voltage, can the automatic switch to battery B come to provide low-voltage electricity for the case becomes through intelligence switch module, DC-AC conversion module, wave filter and voltage detection device, has guaranteed the normal operating of case becomes, still controls intelligent switch A to switch on simultaneously, comes the automation to charge for battery A.
Further, the battery state monitoring module a is electrically connected with a battery state monitoring end of the battery a, and the battery state monitoring module a is also electrically connected with a controlled end of the intelligent switch a, the battery state monitoring module a is started when monitoring that the battery a is in a charging state, and the battery state monitoring module a in the starting state automatically controls the intelligent switch a to be closed after monitoring that the battery a is fully charged; the battery state monitoring module B is electrically connected with a battery state monitoring end of the battery B, the battery state monitoring module B is also electrically connected with a controlled end of the intelligent switch B, the battery state monitoring module B is started when the battery B is monitored to be in a charging state, and the battery state monitoring module B in the starting state automatically controls the intelligent switch B to be closed after the battery B is monitored to be fully charged.
Furthermore, the voltage detection device can set the lowest voltage value inside the voltage detection device and detect the voltage passing through the voltage detection device, when the voltage detection device detects that the voltage inside the voltage detection device is lower than the set lowest voltage value, the voltage detection device controls the synchronization module through the controller, the synchronization module is under the control of the controller, if the intelligent switching module is conducted with the battery A at the moment, the synchronization control module controls the intelligent switching module to be conducted with the battery B from being conducted with the battery A, meanwhile, the synchronization module is conducted with the intelligent switch A, if the intelligent switching module is conducted with the battery B at the moment, the synchronization control module controls the intelligent switching module to be conducted with the battery A from being conducted with the battery B, and meanwhile, the synchronization module is conducted with the intelligent switch B.
When the utility model is in operation, the intelligent switch A is in a closed state, the intelligent switch B is in an open state, the DC-DC conversion module is used for converting direct current generated by a generator set into direct current required by the battery A and the battery B, the DC-DC conversion module charges the battery B through the intelligent switch B in the open state, the battery state monitoring module B is started when monitoring that the battery B is in a charging state, the battery state monitoring module B in the start state is full of the battery B, the intelligent switch B is automatically controlled to be closed, the battery A is switched through the intelligent switching module, the DC-AC conversion module, the filter and the voltage detection device provide low voltage for the box transformer, when the voltage detection device detects that the voltage in the battery state monitoring module is lower than the minimum voltage value, the voltage detection device controls the synchronous module through the controller, because the intelligent switching module is switched on with the battery A at the moment, the synchronous control module controls the intelligent switching module to be switched on with the battery B from being switched on with the battery A, the synchronous module is also switched on, the intelligent switching module is switched on when monitoring that the battery B is in the normal charging state, the battery A is monitored, the intelligent switching module is normally, the charging state, the intelligent switching module is ensured by the charging state monitoring device A, the charging switch A, the battery A, the charging state monitoring device is normally, the charging state of the battery A, the battery A provides low voltage electricity for the box transformer substation through the intelligent switching module, the DC-AC conversion module, the filter and the voltage detection device, when the voltage detection device detects that the voltage passing through the battery A is lower than the minimum voltage value, the battery A can be automatically switched to the battery B to provide low voltage electricity for the box transformer substation through the intelligent switching module, the DC-AC conversion module, the filter and the voltage detection device, normal operation of the box transformer substation is guaranteed, and meanwhile, the intelligent switch A is controlled to be conducted to automatically charge the battery A.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. An energy storage device of a wind turbine generator comprises a generator set, an intelligent switch A in a closed state, an intelligent switch B in an open state, a battery A, a battery B, a battery state monitoring module A, a battery state monitoring module B, a synchronization module, a controller and an intelligent switching module, and is characterized in that a voltage input end of the battery A is electrically connected with an output end of the intelligent switch A, a voltage input end of the battery B is electrically connected with an output end of the intelligent switch B, an input end of the intelligent switch A and an input end of the intelligent switch B are electrically connected with a same DC-DC conversion module which is electrically connected with the generator set, a voltage output end of the battery A and a voltage output end of the battery B are electrically connected with a same intelligent switching module which is in a conducting state with the battery A, an output end of the intelligent switching module is electrically connected with a DC-AC conversion module, an output end of the DC-AC conversion module is electrically connected with an input end of a filter, an output end of the filter is electrically connected with an input end of a voltage detection device, and the filter is electrically connected with a box transformer through the voltage detection device;
the control end of the voltage detection device is electrically connected with the controller, the control end of the voltage detection device is electrically connected with the synchronization module through the controller, and the synchronization module is respectively electrically connected with the controlled end of the intelligent switching module, the controlled end of the intelligent switch A and the controlled end of the intelligent switch B.
2. The energy storage device of the wind turbine generator according to claim 1, wherein the battery state monitoring module a is electrically connected to a battery state monitoring end of the battery a, the battery state monitoring module a is further electrically connected to a controlled end of the intelligent switch a, the battery state monitoring module a is started when the battery a is monitored to be in a charging state, and the battery state monitoring module a in the starting state automatically controls the intelligent switch a to be turned off after the battery a is monitored to be fully charged.
3. The wind turbine generator energy storage device according to claim 1, wherein the battery state monitoring module B is electrically connected to a battery state monitoring terminal of the battery B, and the battery state monitoring module B is further electrically connected to a controlled terminal of the intelligent switch B, the battery state monitoring module B is started when the battery B is monitored to be in a charging state, and the battery state monitoring module B in the starting state automatically controls the intelligent switch B to be turned off after the battery B is monitored to be fully charged.
4. The wind turbine generator energy storage device according to claim 1, wherein the intelligent switching module is in a conducting state with the battery a and in a disconnecting state with the battery B, and the intelligent switching module is configured to perform intelligent switching between the battery a and the battery B.
5. The wind turbine generator energy storage device according to claim 1, wherein the voltage detection device is capable of setting a minimum voltage value inside the voltage detection device and detecting a voltage passing through the voltage detection device, and when the voltage detection device detects that the voltage inside the voltage detection device is lower than the set minimum voltage value, the voltage detection device controls the synchronization module through the controller.
6. The wind turbine generator energy storage device according to claim 5, wherein the synchronous module is controlled by the controller, the synchronous control module controls the intelligent switching module to switch from being conducted with the battery A to being conducted with the battery B, and the synchronous module is also controlled by the intelligent switch A to be conducted.
7. The wind turbine generator energy storage device according to claim 1, wherein the intelligent switch B in an on state is used for charging the battery B by the DC-DC conversion module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222356778.9U CN218216698U (en) | 2022-09-06 | 2022-09-06 | Energy storage device of wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222356778.9U CN218216698U (en) | 2022-09-06 | 2022-09-06 | Energy storage device of wind turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218216698U true CN218216698U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222356778.9U Active CN218216698U (en) | 2022-09-06 | 2022-09-06 | Energy storage device of wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218216698U (en) |
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2022
- 2022-09-06 CN CN202222356778.9U patent/CN218216698U/en active Active
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