CN211907544U

CN211907544U - Lithium titanate battery module for wind driven generator

Info

Publication number: CN211907544U
Application number: CN202020933505.4U
Authority: CN
Inventors: 张云峰; 赵爽; 李民; 黄久平; 王秋强; 刘钊辰; 刘玉希; 张笑华; 武珈锐
Original assignee: Guodian Hefeng Wind Power Development Co Ltd
Current assignee: Guodian Hefeng Wind Power Development Co Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-11-10
Anticipated expiration: 2030-05-28

Abstract

The utility model provides a lithium titanate battery module for a wind driven generator, which comprises a module mounting base, a lithium titanate battery, a pressing plate, a circuit connecting plate and a junction box; be equipped with 2 rows of pedestal mounting grooves on the module installation base, install a lithium titanate battery on every pedestal mounting groove, 2 rows the wiring end of lithium titanate battery sets up relatively, and 2 rows the wiring end of lithium titanate battery is connected with the electrode slice that sets up the circuit connection board correspondence of its top, electrode slice on the circuit connection board and the circuit board binding post electric connection that its corresponds on the junction box, the top of lithium titanate battery compresses tightly fixedly through the clamp plate. The utility model discloses optimized mounting structure and wiring setting, the radiating effect is good, still is favorable to the on-the-spot maintenance, reduces cost of maintenance, improves maintenance efficiency.

Description

Lithium titanate battery module for wind driven generator

Technical Field

The utility model relates to a battery module technical field, in particular to lithium titanate battery module for aerogenerator.

Background

The lead-acid battery is used as a variable-pitch backup power supply and needs to be replaced frequently, and the service life of the lead-acid battery is generally only two years. The replacement of the battery module is difficult, and a large amount of workload is brought to field maintenance. Lead-acid batteries have frequent failures, and shutdown due to battery failures also brings a large amount of economic loss to wind power plants. In addition, the existing wind power pitch control system is not good in heat dissipation effect due to the fact that a standby power supply is equipped, and the circuits of the wind power pitch control system are messy, so that the wind power pitch control system is more unfavorable for field maintenance.

SUMMERY OF THE UTILITY MODEL

The purpose of the present invention is to solve at least one of the technical drawbacks.

Therefore, the utility model aims to provide a lithium titanate battery module for aerogenerator has optimized mounting structure and wiring setting, and the radiating effect is good, still is favorable to the on-the-spot maintenance, reduces cost of maintenance, improves maintenance efficiency.

In order to achieve the above object, an embodiment of the present invention provides a lithium titanate battery module for a wind turbine, including a module mounting base, a lithium titanate battery, a pressing plate, a circuit connecting plate, and a junction box; be equipped with 2 rows of pedestal mounting grooves on the module installation base, install a lithium titanate battery on every pedestal mounting groove, 2 rows the wiring end of lithium titanate battery sets up relatively, and 2 rows the wiring end of lithium titanate battery is connected with the electrode slice that sets up the circuit connection board correspondence of its top, electrode slice on the circuit connection board and the circuit board binding post electric connection that its corresponds on the junction box, the top of lithium titanate battery compresses tightly fixedly through the clamp plate.

In any one of the above schemes, preferably, a control board is arranged in the junction box, and the control board is electrically connected with the wiring terminal of the circuit board.

In any of the above schemes, preferably, a plurality of interfaces are arranged below the junction box, and the interfaces are connected with the control board.

In any of the above schemes, preferably, the circuit connecting board is a PCB.

In any of the above aspects, preferably, the terminal of the lithium titanate battery is connected to the electrode plate corresponding to the circuit connecting plate disposed above the terminal by a screw.

In any of the above schemes, preferably, a plurality of heat dissipation holes are further provided in the base mounting groove.

In any of the above schemes, preferably, a rubber ring is further arranged between the base mounting groove and the lithium titanate battery.

In any of the above schemes, preferably, one or more pressing plates are provided on each row of lithium titanate batteries.

In any of the above aspects, preferably, a gap is provided between each base mounting groove and its adjacent base mounting groove.

In any of the above schemes, preferably, the pressing plate comprises a main plate, clamping pieces and reinforcing ribs, the clamping pieces are arranged at two ends of the main plate, and the reinforcing ribs are further arranged on the main plate.

The utility model discloses a lithium titanate battery module for aerogenerator has following beneficial effect:

1. the utility model discloses an be equipped with certain clearance between every pedestal mounting groove and its adjacent pedestal mounting groove to still be equipped with a plurality of louvres in the pedestal mounting groove, its purpose is in order to improve the radiating effect.

2. The utility model discloses the clamp plate includes mainboard, clamping piece, strengthening rib, and the mainboard both ends all are equipped with the clamping piece, still are equipped with the strengthening rib on the mainboard for improve the intensity of clamp plate, make clamp plate and every row of 2 chucking compactors of lithium titanate battery.

3. The utility model discloses a make the dress card firm between pedestal mounting groove and the lithium titanate battery, still be equipped with the rubber ring between pedestal mounting groove and the lithium titanate battery.

4. The utility model discloses a circuit connecting plate replaces traditional connection of electric lines, can avoid the mixed and disorderly condition of circuit, can also avoid the ageing condition of circuit to appear, can also be integrated at the junction box with the wiring end of all lithium titanate batteries, and the on-the-spot maintenance of being convenient for reduces cost of maintenance, improves maintenance efficiency.

5. The utility model discloses a design of junction box still is favorable to carrying out the function expansion with lithium titanate battery, and the junction box can set up the control panel inside it, and the below sets up the interface, still carries out the function expansion with external equipment, the different voltage of outside output.

6. The utility model discloses a circuit is simple, convenient to detach and installation, easily transform, and easy construction can greatly reduced installation cost of maintenance.

7. The utility model discloses an each components and parts are than less, and the low price, and are with low costs, can use widely on a large scale.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a schematic structural view of the module mounting base of the present invention;

fig. 4 is a schematic diagram of the circuit connection board of the present invention;

in the figure, 1, a module mounting base; 2. a lithium titanate battery; 3. pressing a plate; 4. reinforcing ribs; 5. a circuit connecting plate; 6. a junction box; 7. an electrode sheet; 8. a module wiring terminal; 9. a wiring terminal of the circuit board; 10. a base mounting groove; 11. heat dissipation holes;

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The utility model provides a lithium titanate battery module for a wind driven generator, which comprises a module mounting base 1, a lithium titanate battery 2, a pressing plate 3, a circuit connecting plate 5 and a junction box 6, as shown in figures 1-4; be equipped with 2 rows of pedestal mounting grooves 10 on module installation base 1, install a lithium titanate battery 2 on every

pedestal mounting groove

10, 2 rows of lithium titanate battery 2's wiring end sets up relatively, and 2 rows of lithium titanate battery 2's wiring end and the electrode slice 7 that sets up the circuit connection board 5 correspondence of its top are connected, electrode slice 7 on the circuit connection board 5 and the circuit board binding post 9 electric connection of its correspondence on the junction box 6, the top of lithium titanate battery 2 compresses tightly fixedly through clamp plate 3.

When installing, insert lithium titanate battery 2 at first in base mounting groove 10, then through clamp plate 3 with every row of lithium titanate battery 2 chucking compaction, then pass through the screw connection with lithium titanate battery 2's wiring end and the electrode slice 7 that sets up the circuit connection board 5 correspondence of its top, wiring through circuit board binding post 9 on junction box 6 and external equipment.

In order to facilitate the control aerogenerator with the output voltage of lithium titanate battery module, be equipped with the control panel in the junction box 6, control panel and circuit board binding post 9 electric connection. A plurality of interfaces are arranged below the junction box 6 and connected with the control panel. The circuit connecting board 5 is a PCB. According to the use requirement, the device can be connected with the outside through a wiring terminal 9 of a circuit board, and can also be connected with external equipment through an interface below the junction box 6.

The utility model discloses an in another embodiment, in order to facilitate the heat dissipation, improve the radiating effect, still be equipped with a plurality of louvres 11 in the base mounting groove 10.

The utility model discloses a further embodiment, in order to make the dress card firm between pedestal mounting groove 10 and the lithium titanate battery 2, still be equipped with rubber ring between pedestal mounting groove 10 and the lithium titanate battery 2.

The utility model discloses a further embodiment, in order to make every row of lithium titanate battery 2 can both install firmly, be equipped with one or more clamp plate 3 on every row of lithium titanate battery 2.

In another embodiment of the present invention, in order to further improve the heat dissipation effect, a certain gap is provided between each base mounting groove 10 and its adjacent base mounting groove 10.

The utility model discloses an in another embodiment, in order to improve the intensity of clamp plate 3 for clamp plate 3 and every row of lithium titanate 2 chucking compaction, clamp plate 3 includes mainboard, clamping piece, strengthening rib 4, and the mainboard both ends all are equipped with the clamping piece, still are equipped with strengthening rib 4 on the mainboard.

The utility model discloses regard as wind-powered electricity generation oar variable pitch system with the lithium titanate battery and can be equipped with stand-by power supply, the self-discharge of lithium titanate battery is little, lithium titanate battery 20 ℃ storage 90 days capacity surplus rate more than 90%, capacity recovery rate more than 95%; compared with the traditional lead-acid battery, the lead-acid battery has long service life, and is safer and more stable.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A lithium titanate battery module for a wind driven generator is characterized by comprising a module mounting base, a lithium titanate battery, a pressing plate, a circuit connecting plate and a junction box; be equipped with 2 rows of pedestal mounting grooves on the module installation base, install a lithium titanate battery on every pedestal mounting groove, 2 rows the wiring end of lithium titanate battery sets up relatively, and 2 rows the wiring end of lithium titanate battery is connected with the electrode slice that sets up the circuit connection board correspondence of its top, electrode slice on the circuit connection board and the circuit board binding post electric connection that its corresponds on the junction box, the top of lithium titanate battery compresses tightly fixedly through the clamp plate.

2. The lithium titanate battery module for the wind driven generator according to claim 1, wherein a control board is arranged in the connection box, and the control board is electrically connected with the circuit board connection terminal.

3. The lithium titanate battery module for the wind driven generator according to claim 2, wherein a plurality of interfaces are provided below the junction box, and the interfaces are connected to the control board.

4. The lithium titanate battery module for the wind driven generator according to claim 1, wherein the circuit connecting board is a PCB.

5. The lithium titanate battery module for the wind driven generator according to claim 1, wherein the terminal of the lithium titanate battery is connected to the electrode tab corresponding to the line connection board disposed thereabove by a screw.

6. The lithium titanate battery module for the wind driven generator according to claim 1, wherein a plurality of heat dissipation holes are further formed in the base mounting groove.

7. The lithium titanate battery module for the wind driven generator according to claim 1, wherein a rubber ring is further disposed between the base mounting groove and the lithium titanate battery.

8. The lithium titanate battery module for the wind driven generator according to claim 1, wherein one or more pressing plates are provided on each row of the lithium titanate batteries.

9. The lithium titanate battery module for a wind power generator of claim 1, wherein a certain gap is provided between each pedestal mounting groove and its adjacent pedestal mounting groove.

10. The lithium titanate battery module for the wind driven generator according to claim 1, wherein the pressing plate comprises a main plate, clamping pieces and reinforcing ribs, the clamping pieces are arranged at two ends of the main plate, and the reinforcing ribs are further arranged on the main plate.