CN216562716U

CN216562716U - Photovoltaic energy storage cabinet filter reactor

Info

Publication number: CN216562716U
Application number: CN202122792459.8U
Authority: CN
Inventors: 陈善智
Original assignee: Guangdong NRE Technology Co Ltd
Current assignee: Guangdong NRE Technology Co Ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-05-17
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a filter reactor of a photovoltaic energy storage cabinet, which comprises an E-shaped iron core column, wherein three groups of coils are wound on the E-shaped iron core column, two ends of each coil are respectively connected with a first conductive bar and a second conductive bar, and each coil comprises: one end of each first conductive bar is arranged inside the outer ring of each coil and connected with one end of the coil, and the other end of each first conductive bar extends to the outside of the coil; every second is electrically conductive to be arranged and is included first wiring portion and first kink, and every first wiring portion one end sets up in the inside other end that is connected the coil of the inner circle of every coil, and the other end extends to the first kink one end of coil external connection, and two first kink other ends are connected with second kink and third kink respectively. In order to shorten the wiring length more reasonably and save the copper bar, the filter reactor is changed into a two-side discharge bar, the copper-aluminum composite bar is only used as a client terminal wiring part, and the rest parts consist of aluminum bars, so that the cost is saved more.

Description

Photovoltaic energy storage cabinet filter reactor

Technical Field

The utility model relates to the technical field of reactors, in particular to a photovoltaic energy storage cabinet filter reactor.

Background

Energy consumption in the world is almost supplied by 'primary energy' or 'conventional energy', and comprises coal, oil, natural gas, nuclear fission and the like. Due to the limited resources of primary energy resources on the earth, the higher and higher mining costs of mineral products, the trend of the sharp increase of human energy demand, the serious environmental pollution and the like, the energy structure based on the conventional energy is increasingly not suitable for the requirement of sustainable development along with the continuous consumption of the resources. Therefore, new energy and renewable energy are not only needed supplement energy in recent times but also the foundation of future energy structures. In the field of energy, it has become common knowledge to accelerate the development and utilization of renewable energy mainly based on solar energy. In recent years, solar photovoltaic power generation technology has made a breakthrough in many aspects internationally.

The key technology of the product is a small component filter reactor in the photovoltaic energy storage cabinet, which is used for limiting the current impact caused by the sudden change of the voltage of a power grid and the overvoltage operation, smoothing the spike pulse contained in the voltage of a power supply or smoothing the voltage defect generated when a bridge rectifier circuit carries out phase commutation, effectively protecting an inverter and improving the power factor, and not only can prevent the interference from the power grid, but also can reduce the pollution of harmonic current generated by a rectifier unit to the power grid.

The traditional reactor conducting bar is too long in wire design, so that the use price of the traditional reactor conducting bar is too high, and the distance between the traditional reactor conducting bars is fixed, so that the distance between the conducting bars cannot be adjusted when the distance between the conducting bars needs to be changed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to at least solve one technical problem in the prior art, and therefore the utility model provides a filter reactor of a photovoltaic energy storage cabinet.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

according to the embodiment of the first aspect of the utility model, the photovoltaic energy storage cabinet filter reactor comprises an E-shaped iron core column, three groups of coils are wound on the E-shaped iron core column, a first conducting bar and a second conducting bar are respectively connected to two ends of each coil, and the coil comprises: one end of each first conductive bar is connected with the inside of the outer ring of each coil, and the other end of each first conductive bar extends to the outside of the coil; every the second is electrically conductive to be arranged and is included first wiring portion and first kink, every first wiring portion one end is connected every inside the inner circle of coil, the other end extends to coil external connection first kink one end, two the first kink other end is connected with second kink and third kink respectively.

According to some embodiments of the present invention, a second wiring portion is connected to one of the first bending portions and the other end of each of the first conductive bars, and a third wiring portion is connected to each of the second bending portions and the third bending portions.

According to some embodiments of the utility model, the other ends of the first conductive bar and the second wire portion are connected by a screw; the other end of the second wiring part is connected with one of the first bending parts through threads; the two first bending parts are respectively connected with the second bending part and the third bending part through threads.

According to some embodiments of the present invention, outer surfaces of the second wire connecting portion and the third wire connecting portion are plated with copper.

According to some embodiments of the utility model, a plurality of heat dissipating air channels are provided at both ends of each of the coils at equal intervals.

According to some embodiments of the utility model, the reactor body is provided with a mounting portion at a top thereof, the mounting portion being connected to a temperature relay.

According to some embodiments of the utility model, the bottom of the reactor main body is provided with a supporting leg, the supporting leg comprises an upper contact end, a lower contact end, a connecting block and a supporting block, the upper contact end is connected with the bottom of the reactor main body, two ends of the connecting block are respectively connected with the edges of the upper contact end and the lower contact end, and the supporting block is respectively connected with the upper contact end, the lower contact end and the connecting block.

The photovoltaic energy storage cabinet filter reactor provided by the embodiment of the utility model at least has the following beneficial effects: in order to more reasonably shorten the wiring length and save the copper bar, the filter reactor is changed into a two-side discharge bar, the copper-aluminum composite bar is only used as a client terminal wiring part, the rest part consists of an aluminum bar, the cost is saved, the two sections of bars are connected together by using a locking bolt, and the distance between the conductive bars can be changed according to the requirements of clients.

Additional aspects and advantages of the utility model 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 utility model.

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 front view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a top view of the coil;

FIG. 4 is an exploded view of the various conductor bars of the present invention;

fig. 5 is a supporting foot of the present invention.

In the figure: 1. a reactor main body; 2. e-shaped iron core columns; 3. a coil; 4. a first conductive bar; 5. a second conductive bar; 6. a first wiring portion; 7. a first bent portion; 8. a second bent portion; 9. a third bent portion; 10. a second wiring portion; 11. an installation part; 12. a third wiring portion; 13. a heat dissipation air passage; 14. supporting legs; 15. an upper contact end; 16. a lower contact end; 17. connecting blocks; 18. and (7) a supporting block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are further described below with reference to the accompanying drawings.

The technical solutions in the embodiments of the present invention will be fully described below, and it should be apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

According to some embodiments, the E-type core limb 2 is included, the E-type core limb 2 is wound with three groups of coils 3, a first conductive bar 4 and a second conductive bar 5 are respectively connected to two ends of each coil 3, and the coil 3 includes: one end of each first conductive bar 4 is connected with the inner part of the outer ring of each coil 3, and the other end of each first conductive bar extends to the outer part of each coil 3; every the second conductive bar 5 includes first wiring portion 6 and first kink 7, every first wiring portion 6 one end is connected every inside the inner circle of coil 3, the other end extends to coil 3 external connection first kink 7 one end, two the other end of first kink 7 is connected with second kink 8 and third kink 9 respectively.

Based on the above embodiment, as shown in fig. 1-2, the first conductive bar 4 and the second conductive bar 5 are wired and led out from the inner side and the outer side of the coil 3, so that the routing length of the conductive bars is greatly saved. After the second conductive bar 5 is led out, the second conductive bar 5 is bent outwards by a certain distance through the first bending part 7, so that the second conductive bar 5 is prevented from contacting the E-shaped iron core column 2. The other ends of the two first bending parts 7 are respectively connected with a second bending part 8 and a third bending part 9, the position of the first wiring part 6 is adjusted according to the requirement of a customer, and the distance between the two conductive bars is adjusted.

According to some embodiments, a second wire connection portion 10 is connected to one of the first bent portions 7 and the other end of each of the first conductive bars 4, and a third wire connection portion 12 is connected to each of the second bent portions 8 and the third bent portions 9.

Based on the above embodiment, as shown in fig. 1, 2 and 4, five screw holes are provided at one end of each of the second wiring portion 10 and the third wiring portion 12, so that a customer can conveniently connect the wiring through the screw holes and screws.

According to some embodiments, the other ends of the first conductor bar 4 and the second wire portion 10 are connected by a screw; the other end of the second wiring portion 10 is connected with one of the first bent portions 7 through a thread; the two first bending portions 7 are respectively connected with the second bending portion 8 and the third bending portion 9 through threads.

Based on the above embodiment, as shown in fig. 1, fig. 2, and fig. 4, the other ends of the first conductive bar 4 and the second wiring portion 10 are respectively provided with five corresponding screw holes, and the other ends of the first conductive bar 4 and the second wiring portion 10 are connected by screw screws, which can also be detached, so as to facilitate replacement of the second wiring portion 10 with different lengths, sizes, or shapes. Five screw holes are formed in the first bending part 7, and the other end of the second wiring part 10 is connected with one of the first bending parts 7 through a screw hole screw, and can be detached, so that the second wiring part 10 can be replaced conveniently. The second bending part 8 and the third bending part 9 are provided with five screw holes, and the two first bending parts 7 are respectively connected with the second bending part 8 and the third bending part 9 through screw holes and screws, and can be detached, so that the second bending part 8 and the third bending part 9 can be replaced conveniently. The position of the third wiring portion 12 can be further adjusted by replacing the second bent portion 8 and the third bent portion 9, and the distance between the third wiring portion 12 and the second wiring portion 10 can also be adjusted. Among the five screw holes, four screw holes form four vertexes of a square, and one screw hole is arranged at the focus of a diagonal line of the square. The contact surface is more uniform and comprehensive, the conductivity is higher, and sparks are prevented.

According to some embodiments, the second wire connecting portion 10 and the third wire connecting portion 12 are plated with copper on the outer surfaces thereof.

Based on the above embodiment, the conductive bar is made of aluminum, and the outer surfaces of the second wire connecting portion 10 and the third wire connecting portion 12 of the conductive bar are plated with copper, so that the conductivity of the conductive bar can be improved, and the material use cost of the conductive bar can be saved. Compared with the traditional copper-aluminum composite bar, the cost is saved.

According to some embodiments, a plurality of heat dissipation air channels 13 are provided at both ends of each of the coils 3 at equal intervals.

Based on the above embodiment, as shown in fig. 1-3, a plurality of heat dissipation air channels 13 are provided at two ends of the coil 3 at equal intervals, an arch-shaped aluminum sheet is provided in the heat dissipation air channels 13, and the heat dissipation air channels 13 are formed in the coil 3 by supporting the arch-shaped aluminum sheet, so as to facilitate heat dissipation.

According to some embodiments, the top of the reactor body 1 is provided with a mounting part 11, and the mounting part 11 is connected with a temperature relay.

Based on the above embodiment, as shown in fig. 1, the reactor main body 1 is provided with a mounting portion 11 at the top, and the mounting portion 11 is used for mounting a temperature relay, so that when the temperature is too high, the temperature relay is automatically powered off to protect the reactor.

According to some embodiments, a supporting leg 14 is arranged at the bottom of the reactor main body 1, the supporting leg 14 comprises an upper contact end 15, a lower contact end 16, a connecting block 17 and a supporting block 18, the upper contact end 15 is connected with the bottom of the reactor main body 1, two ends of the connecting block 17 are respectively connected with the edges of the upper contact end 15 and the lower contact end 16, and the supporting block 18 is respectively connected with the upper contact end 15, the lower contact end 16 and the connecting block 17.

Based on the above embodiment, the upper contact terminal 15 is in contact with the bottom of the reactor main body 1, the connecting block 17 and the supporting block 18 are used for supporting the upper contact terminal 15, and the lower contact terminal 16 is used for supporting the connecting block 17 and the supporting block 18, which has stability as a whole, so that the supporting leg 14 is firmer.

It will be evident to those skilled in the art that the utility model is not limited to the exemplary embodiments illustrated above, and that the present solution is capable of being embodied in other specific forms without departing from the essential characteristics thereof. Accordingly, the embodiments should be considered as exemplary and non-limiting.

Claims

1. Photovoltaic energy storage cabinet filter reactor, including E type iron core post (2), E type iron core post (2) are wound there are three group's coils (3), every coil (3) both ends are connected with first electrically conductive row (4) and the electrically conductive row (5) of second respectively, its characterized in that, coil (3) include:

one end of each first conductive bar (4) is connected with the inner part of the outer ring of each coil (3), and the other end of each first conductive bar extends to the outer part of each coil (3);

every second conductive bar (5) includes first wiring portion (6) and first kink (7), every first wiring portion (6) one end is connected every inside the inner circle of coil (3), the other end extends to coil (3) external connection first kink (7) one end, two first kink (7) the other end is connected with second kink (8) and third kink (9) respectively.

2. The photovoltaic energy storage cabinet filter reactor according to claim 1, wherein one of the first bent portions (7) and the other end of each of the first conductive bars (4) are connected with a second wiring portion (10), and the second bent portions (8) and the third bent portions (9) are connected with a third wiring portion (12).

3. The photovoltaic energy storage cabinet filter reactor according to claim 2, wherein the other ends of the first conductive bar (4) and the second wiring portion (10) are connected by a screw thread;

the other end of the second wiring part (10) is connected with one of the first bending parts (7) through threads;

the two first bending parts (7) are respectively connected with the second bending part (8) and the third bending part (9) through threads.

4. The photovoltaic energy storage cabinet filter reactor according to claim 2, wherein the outer surfaces of the second wiring portion (10) and the third wiring portion (12) are plated with copper.

5. The photovoltaic energy storage cabinet filter reactor according to claim 1, characterized in that a plurality of equally spaced heat dissipation air channels (13) are arranged at both ends of each coil (3).

6. The photovoltaic energy storage cabinet filter reactor according to claim 1, wherein a mounting part (11) is arranged on the top of the reactor main body (1), and the mounting part (11) is connected with a temperature relay.

7. The photovoltaic energy storage cabinet filter reactor according to claim 1, wherein a supporting leg (14) is arranged at the bottom of the reactor main body (1), the supporting leg (14) comprises an upper contact end (15), a lower contact end (16), a connecting block (17) and a supporting block (18), the upper contact end (15) is connected with the bottom of the reactor main body (1), two ends of the connecting block (17) are respectively connected with the edges of the upper contact end (15) and the lower contact end (16), and the supporting block (18) is respectively connected with the upper contact end (15), the lower contact end (16) and the connecting block (17).