CN209134284U - Copper bar fixtures, electrical components and converters - Google Patents

Abstract

Embodiments of the utility model provide a copper bar fixing device, an electrical component and a converter. The copper bar fixing device includes: a fixing plate; a connecting bar including a connecting part and a transfer part connected at an angle. The connecting part includes a fixed The first connecting part of the board, the bus bar, is connected to the adapter part through an insulating fixing piece, so that the bus bar can be suspended and fixed to the fixed plate through the connecting bar. In the copper bar fixing device of the embodiment of the present invention, it includes a fixing plate, a connecting bar and a bus bar, wherein the bus bar is connected to the adapter part of the connecting bar through an insulating fixing piece, so that the bus bar is connected to the fixing plate through the connecting bar Forming an assembly, the busbar can be suspended and fixed at the target position through the fixing plate, thus simplifying the fixing structure of the busbar and reducing the space occupied by the busbar.

Description

Copper bar fixtures, electrical components and converters

technical field

The utility model relates to the technical field of wind power equipment, in particular to a copper bar fixing device, an electrical component and a wind power generator set.

Background technique

With the development of wind power generation technology and the pressure on the cost of electricity at the same price as wind and fire, wind power generation equipment is constantly developing towards a capacity above megawatt. The core electronic control equipment in the direct-drive wind turbine, and the capacity of full-power converters are also continuously expanding.

The full-power wind turbine converter is generally placed in the tower or the nacelle, but the size of the tower and the nacelle are very tight, which requires the wind power converter to have a very high power density. A high-power converter usually requires a confluence device, and the current confluence device has a complicated fixing structure and needs to occupy a large space.

Therefore, there is an urgent need for a new copper bar fixing device, electrical components and converters.

Utility model content

The embodiments of the present invention provide a copper bar fixing device, an electrical component and a converter, which aim to simplify the fixing structure of the bus bar and reduce the space occupied by the bus bar.

One aspect of the embodiments of the present utility model provides a copper bar fixing device, comprising: a fixing plate; a connecting bar, comprising a connecting part and an adapting part connected at an angle, the connecting part includes a first connecting part connected to the fixing plate; The busbar is connected to the adapter part through the insulating fixing member, so that the busbar can be suspended and fixed to the fixing plate through the connecting row.

According to one aspect of the present invention, the connecting portion further includes a second connecting portion, the second connecting portion and the first connecting portion are arranged at intervals in the second direction, and the first connecting portion and the second connecting portion are arranged on two sides of the fixing plate. side;

The adapter portion is located between the fixing plate and the bus bar in the first direction, and the adapter portion is connected between the first connection portion and the second connection portion.

According to one aspect of the present invention, the fixing plate includes a front surface and a rear surface oppositely arranged in the second direction, and the first connection portion is fixedly connected to the rear surface through the fixing terminal.

According to one aspect of the present invention, there are more than two connection rows, the second connection portions of the two or more connection rows are spaced apart along the third direction, and the second connection portions of each connection row include connection terminals;

Wherein, in the third direction, the connection terminals located at the outermost side are extended and formed in a direction approaching each other.

According to one aspect of the present invention, it also includes:

The clamping member, the surface of the clamping member is recessed with two or more grooves spaced along the second direction;

There are more than two bus bars, and the two or more bus bars are respectively arranged in more than two grooves.

According to one aspect of the present invention, the card firmware is elastic card firmware.

According to one aspect of the present invention, there are more than two card members, the two or more card members are arranged at intervals along the third direction, and the two or more bus bars are respectively arranged in the grooves of each card member, the third direction and the third The two directions intersect.

Another aspect of the present utility model further provides an electrical component, comprising: the above-mentioned copper bar fixing device; an electrical component, which is fixedly arranged on the fixing plate, and the second connecting portion is connected to the electrical component.

Another aspect of the present invention further provides a converter, comprising: a cabinet part with an accommodation space; and the above-mentioned electrical components, wherein the electrical components are arranged in the accommodation space.

According to one aspect of the present invention, the utility model further includes: a fuse, which is arranged on the side of the bus bar away from the electrical device in the first direction, and is connected to the bus bar.

In the copper bar fixing device of the embodiment of the present invention, it includes a fixing plate, a connecting bar and a bus bar, wherein the bus bar is connected to the adapter part of the connecting bar through an insulating fixing member, so that the bus bar is connected through the connecting bar and the fixing plate. To form an assembly, the busbar can be suspended and fixed at the target position through the fixing plate, so the fixing structure of the busbar can be simplified and the space occupied by the busbar can be reduced. When the copper bar fixing device is used for the converter, the fixing plate and the bus bar can be assembled and formed outside the cabinet of the converter through the connecting bar and then put into the cabinet, which is convenient for the assembly and molding of the converter and reduces the assembly of the converter. time and improve the installation efficiency of the converter.

Description of drawings

Other features, objects and advantages of the present invention will become more apparent upon reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar features.

1 is a schematic structural diagram of a copper bar fixing device and an electrical component according to an embodiment of the present invention;

2 is a schematic structural diagram of a copper bar fixing device and an electrical component from another viewing angle according to an embodiment of the present invention;

3 is a schematic diagram of the positional structure of a plurality of connecting rows of a copper bar fixing device according to an embodiment of the present invention;

4 is a schematic structural diagram of a fastener of a copper bar fixing device according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a converter according to an embodiment of the present invention.

Description of reference numbers:

100. Electrical devices;

110. Output row;

200, connecting row;

210, connecting part; 211, first connecting part; 212, second connecting part; 212a, connecting terminal; 220, adapting part; 230, fixing terminal;

300, busbar;

310. Insulation fixing parts;

400, fixed plate;

410, front surface; 420, rear surface;

500, card firmware;

510, groove;

600. Cabinet Department;

610. Accommodating space;

700. Fuse.

Detailed ways

Features and exemplary embodiments of various aspects of the invention are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely to provide a better understanding of the present invention by illustrating examples of the present invention. In the drawings and the following description, at least some well-known structures and techniques are not shown in order to avoid unnecessarily obscuring the present invention; and, the dimensions of some structures may be exaggerated for clarity. Furthermore, the features, structures or characteristics described below may be combined in any suitable manner in one or more embodiments.

The orientation words appearing in the following description are all directions shown in the drawings, and are not intended to limit the specific structures of the embodiments of the present invention. In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, Or integrally connected; it can be directly connected or indirectly connected. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific conditions.

For a better understanding of the present invention, the electrical components and the converter according to the embodiments of the present invention will be described in detail below with reference to FIGS. 1 to 5 .

1 is a schematic structural diagram of a copper bar fixing device according to an embodiment of the present invention. The copper bar fixing device includes: a fixing plate 400; 210 includes a first connecting portion 211 fixedly connected to the fixing plate 400 ; the bus bar 300 is connected to the adapter portion 220 through the insulating fixing member 310 , so that the bus bar 300 can be suspended on the fixing plate 400 through the adapter bar 200 .

There are various relative positions of the bus bar 300 and the fixing plate 400 , for example, the bus bar 300 and the fixing plate 400 are arranged at intervals along the first direction (Z direction in FIG. 1 ).

The copper bar fixing device of the embodiment of the present invention includes a fixing plate 400 , a connecting bar 200 and a bus bar 300 , wherein the bus bar 300 is connected to the adapter portion 220 of the connecting bar 200 through the insulating fixing member 310 , thereby making the bus bar 300 The busbar 300 is connected by the connecting bar 200 and the fixing plate 400 to form an assembly, and the busbar 300 can be suspended and fixed at the target position by the fixing plate 400 , so the fixing structure of the busbar 300 can be simplified and the space occupied by the busbar 300 can be reduced. When the copper bar fixing device is used for the converter, the fixing plate 400 and the bus bar 300 can be assembled and formed outside the cabinet of the converter by the connecting bar 200 and then put into the cabinet, which is convenient for the assembling and molding of the converter and reduces the current conversion rate. The assembly time of the converter is reduced, and the installation efficiency of the converter is improved.

Please refer to FIG. 2 together. In some optional embodiments, the connecting part 210 further includes a second connecting part 212 , and the second connecting part 212 and the first connecting part 211 are in the second direction (the Y direction in FIG. 1 ). The second connecting portion 212 and the first connecting portion 211 are respectively arranged on both sides of the fixing plate 400, and the adapter portion 220 is located between the fixing plate 400 and the bus bar 300 in the first direction, and is connected to the first between the connecting portion 211 and the second connecting portion 212 .

In these optional embodiments, the connection row 200 includes a first connection part 211 , a second connection part 212 arranged at intervals, and a transition part 220 connected between the first connection part 211 and the second connection part 212 , the second connection part 212 . The connecting portion 212 and the first connecting portion 211 are respectively arranged on both sides of the fixing plate 400 , that is, the fixing plate 400 is arranged between the first connecting portion 211 and the second connecting portion 212 , which can reduce the common occupation of the connecting row 200 and the fixing plate 400 Space.

Further, in some other optional embodiments, the fixing plate 400 includes a front surface 410 and a rear surface 420 that are oppositely disposed in the second direction, and the first connecting portion 211 is fixed to the rear surface 420 through the fixing terminal 230 .

In these optional embodiments, the first connection portion 211 of the connection bar 200 is fixed to the rear surface 420 through the fixing terminal 230 , so that the relative position between the connection bar 200 and the fixing plate 400 is more stable, and the adapter portion 220 is ensured Therefore, the stability of the relative position between the bus bar 300 and the adapter portion 220 is improved.

The number of the connection rows 200 is not limited here, and the number of connection rows 200 may be one or more than two. When there are more than two connection rows 200, the second connection portions 212 of the two or more connection rows 200 are along the third direction. (X direction in FIG. 1 ) spaced apart, each second connection portion 212 further includes connection terminals 212a; wherein, in the third direction, the outermost connection terminals 212a are extended and formed in a direction approaching each other.

In these optional embodiments, the outermost connection terminals 212a in the third direction are extended and formed in a direction approaching each other, which can increase the distance between the outermost connection terminals 212a and the middle connection terminals 212a, thereby increasing the electrical Clearance, improve the safety performance of the entire copper bar fixing device.

The number of bus bars 300 is not limited here, and the number of bus bars 300 may be one or more than two. Considering that three-phase electricity is usually used in a wind turbine, there are three bus bars 300 .

Please also refer to FIG. 4 , in some optional embodiments, the copper bar fixing device further includes: a clamping member 500 . The surface of the clamping member 500 is recessed with two or more grooves 510 spaced along the second direction. The above bus bars 300 are respectively disposed in two or more grooves 510 .

The shape of the groove 510 is not limited here. Preferably, the groove 510 is extended and formed in the third direction (X direction in FIG. 1 ), so that the bus bar 300 extended and formed in the third direction can be clamped in the groove , and two or more bus bars 300 are arranged at intervals along the second direction.

In these optional embodiments, more than two bus bars 300 can be connected together by the clamping member 500, so the two or more bus bars 300 can be fixedly connected to the adapter portion 220 through a set of insulating fixing members 310, The consumption of the insulating fixing member 310 can be reduced, the installation time of the bus bar 300 can be reduced, and the installation efficiency can be improved. By arranging the grooves 510, the bus bar 300 can also be limited to prevent the bus bar 300 from moving with the clamping member 500 in the second direction.

The connection method between the busbar 300 and the clamping member 500 is not limited herein. For example, the size of the groove 510 is slightly smaller than that of the busbar 300 , and the busbar 300 is connected to the clamping member 500 by interference fit through the groove 510 . Preferably, the groove 510 is provided with a penetrating connection hole, the bus bar 300 is also provided with a penetrating connection hole, and a connecting member such as a screw passes through the connecting hole to connect the bus bar 300 and the fastener 500 .

The manufacturing material of the clamping member 500 is not limited herein. Preferably, the clamping member 500 is an elastic clamping member 500 . When the bus bar 300 is subjected to force and vibrates, the buffering effect of the elastic fastener 500 can not only protect the bus bar 300 from being damaged when subjected to vibration, but also prevent the vibration from being transmitted to the adapter portion 220 or the fixing plate 400 , thereby improving the bus bar 300 . and the service life of the adapter portion 220 and the fixing plate 400 .

In addition, when the copper bar fixing device is applied to the converter and the bus bar 300 is connected to functional devices such as fuses, due to the buffering effect of the elastic fastener 500, the vibration of the bus bar 300 can be prevented from being transmitted to the functional devices such as fuses, protecting the Functional devices such as fuses are damaged by force.

The number of card firmware 500 is not limited here, and the number of card firmware 500 can be one or more. The above card members 500 are arranged at intervals along the third direction, and two or more bus bars 300 are respectively disposed in the grooves 510 of each card member 500 .

The number of insulating fixing members 310 is also not limited. In order to ensure the stability of the relative position between the bus bar 300 and the adapter portion 220, there are more than two insulating fixing members 310. Orientation interval distribution. In one embodiment, the number of insulating fixing members 310 is equal to the number of connecting bars 200 , and the transition portion 220 of each connecting bar 200 is connected to the bus bar 300 through the insulating fixing member 310 .

The installation positions of the insulating fixing members 310 are not limited. In order to ensure the force balance of the bus bars 300, when there are more than two bus bars 300 and the two or more bus bars 300 are spaced apart along the second direction, the insulating fixing members 310 It is disposed near the middle position of the two or more bus bars 300 in the second direction. Specifically, as shown in FIG. 1 , when there are three bus bars 300 and the three bus bars 300 are arranged at intervals along the second direction, the insulating fixing member 310 is arranged on the middle bus bar 300 .

The second embodiment of the present invention also provides an electrical component, including: the above-mentioned copper bar fixing device;

As shown in FIG. 1 , the electrical component includes: an electrical device 100 ; a connecting row 200 includes a connecting portion 210 and an adapter portion 220 connected at an angle, and the connecting portion 210 includes a second connecting portion 212 connected to the electrical device 100 , and the adapter portion 210 is connected to the electrical device 100 . The parts 220 and the electrical devices 100 are distributed in sequence along the first direction; the bus bar 300 is connected to the adapter part 220 through the insulating fixing member 310 , and the bus bar 300 is spaced from the adapter part 220 in the first direction.

The arrangement of the electrical device 100 is not limited herein, and the electrical device 100 may be a circuit breaker, an isolating switch, a contactor, or the like of a converter.

The electrical component of the embodiment of the present invention includes an electrical device 100 , a connecting bar 200 and a bus bar 300 , wherein the bus bar 300 is connected to the adapter portion 220 of the connecting bar 200 through an insulating fixing member 310 , so that the bus bar 300 passes through The connection bar 200 and the electrical device 100 are connected to form an assembly, and the bus bar 300 can be fixed at the target position through the electrical device 100 , and there is no need to provide a separate fixing component for the bus bar 300 , so the fixing structure of the bus bar 300 can be simplified, and the cost of the bus bar 300 can be reduced. take up space. In the electrical components, the electrical device 100 and the bus bar 300 can be assembled and formed outside the cabinet of the converter through the bus bar 300 and then put into the cabinet, which facilitates the assembly and molding of the converter, reduces the assembly time of the converter, and improves the Converter installation efficiency.

In addition, the bus bar 300 is connected to the electrical device 100 through the connection bar 200. When the first direction is the vertical direction, the bus bar 300 can also be suspended in the cabinet portion 600 of the converter through the electrical device 100. The occupied space of the bus bar 300 is further reduced.

Please refer to FIG. 3 together. There are various connection methods between the electrical device 100 and the connection row 200 . In some optional embodiments, the electrical device 100 includes spaced distribution along the third direction (X direction in FIG. 1 ). The output row 110 of the third direction intersects the first direction; there are more than two connection rows 200 , and the two or more connection rows 200 are respectively connected to more than two output rows 110 through their respective second connection parts 212 .

There are various ways of setting the two or more second connection parts 212. For example, the second connection parts 212 include connection terminals 212a, and the second connection parts 212 of the two or more connection rows 200 are connected to the output row 110 through the respective connection terminals 212a. .

Since the two or more output rows 110 are arranged at intervals along the third direction, the connection terminals 212a connected to the two or more output rows 110 are also arranged at intervals along the third direction.

As shown in FIG. 1 and FIG. 2 , the electrical device 100 includes three output rows 110 , three connection rows 200 , and the second connection portions 212 of the three connection rows 200 are respectively connected to the three output rows through respective connection terminals 212 a 110. The outermost connecting terminals 212a in the third direction are extended and formed in a direction close to each other, which can increase the distance between the outermost connecting terminals 212a and the middle connecting terminals 212a, thereby increasing the electrical clearance and improving the safety performance of the entire electrical assembly .

Please also refer to FIG. 5 , the third embodiment of the present invention further provides a converter, which includes a cabinet body 600 having an accommodating space 610 and the above-mentioned electrical components, and the electrical components are arranged in the accommodating space 610 .

Since the converter of the embodiment of the present invention includes the above-mentioned electrical components, the converter of the embodiment of the present invention has the beneficial effects of the above-mentioned electrical components, that is, when the first direction is the vertical direction, the bus bar 300 It can be suspended in the accommodating space 610 of the cabinet part 600 .

In some optional embodiments, the converter further includes: a fuse 700 , disposed on the side of the bus bar 300 away from the electrical device 100 in the first direction, and connected to the bus bar 300 .

In these alternative embodiments, the fuse 700 is disposed below the bus bar 300 when the bus bar 300 is suspended. During the maintenance process of the converter, the electrical device 100 and the fuse 700 can be disassembled separately or together with the bus bar 300, which increases the variety of maintenance. The electrical components can be assembled outside the cabinet body 600, thereby realizing modular production, improving installation efficiency, and reducing working time.

The present invention may be implemented in other specific forms without departing from its spirit and essential characteristics. For example, the algorithms described in specific embodiments may be modified without departing from the basic spirit of the invention in system architecture. Accordingly, the present embodiments are to be regarded in all respects as illustrative and not restrictive, the scope of the present invention being defined by the appended claims rather than the foregoing description, and falling within the meaning and equivalents of the claims All changes within the scope of are thus included in the scope of the present invention.

Claims (10)

1. A copper bar fixing device is characterized in that, comprising: fixing plate (400); A connecting row (200), comprising a connecting portion (210) and an adapter portion (220) connected at an angle, the connecting portion (210) including a first connecting portion (211) fixedly connected to the fixing plate (400) ; The bus bar (300) is connected to the adapter portion (220) through an insulating fixing member (310), so that the bus bar (300) can be suspended and fixed to the fixing plate (220) through the connecting bar (200). 400). 2. The copper bar fixing device according to claim 1, characterized in that, The connection part (210) further includes a second connection part (212), the second connection part (212) and the first connection part (211) are spaced apart in the second direction, and the first connection part The part (211) and the second connecting part (212) are respectively arranged on both sides of the fixing plate (400); The adapter portion (220) is located between the fixing plate (400) and the bus bar (300) in the first direction, and the adapter portion (220) is connected to the first connection portion ( 211) and the second connecting part (212). 3. The copper bar fixing device according to claim 2, wherein the fixing plate (400) comprises a front surface (410) and a rear surface (420) oppositely arranged in the second direction, the The first connection part (211) is fixedly connected to the rear surface (420) through the fixing terminal (230). 4. The copper bar fixing device according to claim 2, characterized in that, The number of the connecting rows (200) is two or more, the second connecting portions (212) of the two or more connecting rows (200) are spaced apart along the third direction, and the The second connection portion (212) includes a connection terminal (212a); Wherein, in the third direction, the connection terminals (212a) located at the outermost side are extended and formed in a direction approaching each other. 5. The copper bar fixing device according to claim 2, characterized in that, further comprising: a clamping member (500), wherein the surface of the clamping member (500) is concavely formed with two or more grooves (510) spaced apart along the second direction; The number of the bus bars (300) is more than two, and the two or more bus bars (300) are respectively arranged in the two or more grooves (510). 6. The copper bar fixing device according to claim 5, characterized in that, the clamping member (500) is an elastic clamping member (500). 7. The copper bar fixing device according to claim 5, characterized in that, there are more than two said card members (500), two or more said card members (500) are arranged at intervals along the third direction, and two The above-mentioned bus bars (300) are respectively disposed in the grooves (510) of each of the clamping members (500), and the third direction and the second direction intersect. 8. An electrical component, characterized in that, comprising: The copper bar fixing device according to any one of claims 2-7; An electrical device (100) is fixedly arranged on the fixing plate (400), and the second connecting portion (212) is connected to the electrical device (100). 9. A converter, characterized in that, comprising: a cabinet body (600) having an accommodating space (610); The electrical component according to claim 8, wherein the electrical component is arranged in the accommodating space (610). 10 . The converter according to claim 9 , further comprising: a fuse ( 700 ), arranged in the first direction on the bus bar ( 300 ) away from the fixing plate ( 400 ). 11 . one side, and connected to the bus bar (300).