CN203166262U - Busbar apparatus and power supply conversion apparatus - Google Patents

Abstract

The utility model provides a busbar device and a power conversion device. The busbar device includes: a housing; The bus conductor includes an upper terminal, a lower terminal, and a body portion connected between the upper terminal and the lower terminal, wherein each body portion of the plurality of bus conductors is along a first plane from the upper terminal side of the housing to the housing The directions on one side of the lower terminal are parallel to each other and superimposed on each other. The bus bar device according to the utility model has simple structure and low cost. The utility model also provides a power conversion device with the aforementioned bus bar device.

Description

Bus bar assemblies and power conversion equipment

technical field

The utility model relates to a busbar device suitable for power conversion equipment and the corresponding power conversion equipment.

Background technique

For some important loads, two power supplies are usually required to ensure the continuity of power supply. These two power sources are usually used as a backup or as backups for each other. When the active power supply fails, the important load whose power supply is stopped is immediately switched to be powered by another backup power supply by the power conversion equipment, so that the load can continue to be powered. In order to facilitate wiring, the power conversion equipment usually has a busbar device, which gathers the two terminals directly or indirectly connected with the power supply into one outlet terminal to be connected to the load.

In the traditional bus bar device, one of them is to press the bus conductor of the bus bar device into a solid body by thermosetting plastic, and the thermosetting plastic is used to realize the insulation, support and fixation between the bus conductors, and to serve as a protective shell. Due to the solid structure, it brings disadvantages such as heavy weight and more materials used. Moreover, due to the use of thermosetting plastics for molding, the cost of materials is high, and it cannot be recycled, which does not conform to the concept of environmental protection, and requires a large press for processing, and the manufacturing cost is also high.

The other is to add an insulating layer on the outer surface of the bus conductors of each phase to realize the insulation between the bus conductors, and put the bus conductors into a plastic casing, and the plastic casing provides mutual spacing, support and protection between the bus conductors. Fixed, and reach a certain enclosure protection level. Compared with the first type, the cost and manufacturing difficulty of this type of busbar are reduced, but a production link is still required, that is, an additional insulating layer is added on the outer surface of the conductor, which is usually a heat-shrinkable tube sleeved on the conductor. This production link not only requires additional heat shrinkable tubing costs, but also usually needs to be completed manually, resulting in increased material costs and labor costs.

In view of the above-mentioned problems in the conventional busbar device, there is a need to provide a busbar device with lower cost and more convenient manufacture and a power conversion device having such a busbar device.

Utility model content

According to the above-mentioned shortcomings and deficiencies, the purpose of the utility model is to at least solve the above-mentioned problems existing in the prior art.

According to a preferred embodiment of the present invention, there is provided a bus bar device, the bus bar device includes: a housing; and most of the bus conductor units accommodated in the housing, wherein the bus conductor unit is composed of a Conductors, each bus conductor includes an upper terminal for direct or indirect connection to a power source, a lower terminal for direct or indirect connection to a load, and a body part connected between the upper terminal and the lower terminal, and the upper terminal The end portion and the end portion of the lower terminal are exposed outside the housing to facilitate wiring, wherein each body portion of the plurality of bus conductors is along a first plane from the upper terminal side of the housing to the lower terminal side of the housing directions parallel to each other and superimposed on each other.

In the above embodiment according to the present invention, further preferably, the main body parts of the plurality of bus conductors are each formed in a second plane perpendicular to the first plane to form a facade structure.

In the above-mentioned embodiment according to the present utility model, it is further preferred that the bus conductor unit includes N bus conductors, where N is a natural number greater than 1, and the lower terminals of the N bus conductors are arranged according to the lower terminal of the first bus conductor. The order to the lower terminals of the Nth bus conductors is arranged successively, and the main body parts of the N bus conductors are not in the direction from the side of the upper terminal of the housing to the side of the lower terminal of the housing in the same order as from the first The sequence from the main part of the bus conductor to the main part of the Nth bus conductor or the sequence from the main part of the Nth bus conductor to the main part of the first bus conductor are arranged successively.

In the above embodiment according to the present utility model, further preferably, the housing is assembled from an upper housing and a lower housing, so as to accommodate a plurality of bus conductors therein.

In the above embodiment according to the present invention, further preferably, the upper casing has four side walls and a top wall extending between the four side walls, and a plurality of raised ribs are formed on the top wall.

In the above embodiment according to the present invention, it is further preferred that the number of the ribs is one less than the number of the bus conductors, and the ribs are respectively located in the corresponding spaces formed between the body parts of the bus conductors adjacent to each other .

In the above embodiment according to the present invention, it is further preferred that the lower housing has four side walls and a bottom wall extending between the four side walls, the bottom wall is formed with a plurality of protruding ribs formed grooves.

In the above embodiment according to the present utility model, further preferably, the upper terminal and the above-mentioned lower terminal are accommodated in corresponding grooves, respectively.

In the above embodiment according to the present invention, further preferably, the casing is made of thermoplastic material.

The utility model also provides a power conversion device, including the aforementioned busbar device.

It should be appreciated that the above description is for the purpose of illustration only, and is not intended to limit the scope of the present invention.

Description of drawings

The above and other features and advantages of exemplary embodiments of the present invention will become more apparent from the following detailed description in conjunction with the accompanying drawings, and the description and drawings are for illustrative purposes only and do not limit the present invention in any way. The scope of utility models, among which:

Fig. 1 is a top view of a traditional bus bar device;

Fig. 2 is a three-dimensional schematic diagram of the traditional bus bar device shown in Fig. 1 after removing the housing, wherein only the bus conductor unit of the bus bar device is shown;

Fig. 3 is a schematic diagram of the appearance of a busbar device according to an embodiment of the present invention;

Fig. 4 is an exploded schematic view of the busbar device shown in Fig. 3;

Fig. 5 is a three-dimensional schematic diagram of a bus conductor unit in the bus bar device shown in Fig. 4;

Fig. 6 is an exploded schematic view of the bus conductor unit in Fig. 5;

Fig. 7 is a three-dimensional schematic diagram of the upper case in the bus bar device as shown in Fig. 4; and

8 is a three-dimensional schematic diagram of a bus conductor unit of a bus bar device according to another embodiment of the present invention.

Detailed ways

Various exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings.

The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the embodiments with reference to the accompanying drawings. In the following description, the directional terms mentioned, such as: up, down, left, right, front or back, etc., are only for the convenience of description, and are not used to limit the present invention. In addition, in this utility model, unless otherwise stated or implied, the horizontal plane, which is also referred to as the first plane in some descriptions, refers to the plane where the power supply side terminals are common or the plane where the load side terminals are common. Correspondingly, the horizontal plane A direction refers to a direction lying in the aforementioned horizontal plane; a vertical plane, also referred to as a second plane in some descriptions, refers to a plane perpendicular to the aforementioned horizontal plane, and a vertical direction refers to a direction lying in the aforementioned vertical plane .

Referring to FIG. 1 , it is a top view of a conventional busbar device. As shown in Figure 1, the traditional bus bar device includes a housing 1 and a bus conductor unit accommodated in the housing 1, wherein, in Figure 1, it is shown that the bus conductor unit is composed of 4 bus conductors, and their main parts Enclosed in the shell, only 8 upper terminals 2 for connecting to the power supply are exposed (of which 4 on the left are a group for connecting to a power supply; 4 on the right are in a group for connecting to another power supply) (note that usually the upper terminal is not directly connected to the power supply, but is connected to the power supply through such as a circuit breaker or isolating switch) and 4 lower terminals for connection to the load 3 (note that the lower terminal is connected to the power supply with load can be connected directly or indirectly). It can be seen that what is shown here is a 4-pole busbar device, and a 3-pole busbar device is commonly used in the prior art, and its structure is similar to that of a 4-pole busbar device, so it will not be described here for brevity.

Referring to FIG. 2 , it is a three-dimensional schematic diagram of the conventional busbar device shown in FIG. 1 after removing the housing, wherein only the busbar unit of the busbar device is shown. As shown in FIG. 2 , the bus conductor unit includes four bus conductors stacked on each other, and each bus conductor consists of an upper terminal 2 , a lower terminal 3 and a main body 4 between the upper terminal 2 and the lower terminal 3 . As shown in the figure, in the conventional bus bar device, the main body portions 4 of the respective bus conductors are stacked parallel to each other in the vertical direction.

A bus bar device according to an embodiment of the present utility model will be described below with reference to FIGS. 4-7 , and a bus bar device according to another embodiment of the present utility model will be described with reference to FIG. 8 .

Referring to Figures 3 and 4, Figure 3 is a schematic diagram of the appearance of a busbar device according to an embodiment of the present invention, and Figure 4 is an exploded schematic view of the busbar device as shown in Figure 3 . As shown in FIGS. 3 and 4 , the bus bar device according to the present invention includes an upper case 10 , a lower case 20 and a bus conductor unit 30 accommodated between the upper and lower cases except terminals. The bus conductor unit is composed of a plurality of bus conductors (four are shown in the figure), each bus conductor includes a main body part accommodated between the upper and lower housings and a terminal part partially exposed outside the housing, the terminals The part includes upper terminals 320, 320' for connecting to a power source (terminals 320 as a group for connecting to one power source; terminals 320' as a group for connecting to another power source) and for connecting to a load The lower terminal 310.

Note that the 4-pole (that is, 4 terminals connected to the load end) busbar device is shown in the drawings, but this is only exemplary, and the inventive concept of the present utility model can be applied to any N-pole A busbar device, wherein N is a natural number greater than 1.

Referring to Figures 5 and 6, Figure 5 is a three-dimensional schematic view of the bus conductor unit in the bus bar device shown in Figure 4; Figure 6 is an exploded schematic diagram of the bus conductor unit in Figure 5. As shown in Figures 5 and 6, in a preferred embodiment according to the present utility model, the bus conductor unit is made up of 4 sheet-shaped bus conductors (as previously mentioned, 4 are just exemplary, and the bus conductor can be 3 or other numbers), the first bus conductor includes 2 upper terminals 321, 321' for connecting to two power supplies respectively, 1 lower terminal 311 for connecting to the load, and the upper terminal and the lower terminal. The connected main body part 331, wherein the upper terminal and the lower terminal are generally located in a horizontal plane, and the main body part is generally located in a vertical plane perpendicular to the horizontal plane. The structure of the second to four busbar conductors is basically the same as that of the first busbar conductor, specifically, the second busbar conductor includes upper terminals 322, 322', lower terminal 312 and main body part 332; the third busbar conductor includes upper terminal 323 , 333', the lower terminal 313 and the body part 333; the fourth bus conductor includes the upper terminal 324, 324', the lower terminal 314 and the body part 334. The structure of these four bus conductors is generally similar, the main difference is that the length of each terminal (the distance from the end of the terminal to the vertical main body) is different, and the bending method is different, so that the length and bending form of each terminal can make the bus bar In the finished device, the terminals of the four bus conductors are arranged successively.

As shown in Figure 5, in the present utility model, the main body parts 331, 332, 333, 334 of the bus conductor adopt the facade structure respectively located in the vertical plane, thereby forming each main part The direction from one side of the upper terminal to the side of the lower terminal of the housing is vertically arranged parallel to each other and superimposed on each other. Vertical stacking is completely different. The façade structure and vertical arrangement of the bus conductors make it easier for the bus bar device of the present invention to dissipate heat, and, importantly, it makes the cost of clamping and fixing the bus conductors by having upper and lower shells corresponding to the bus conductor structure become Possibly, the upper and lower housings can be made of thermoplastic materials that are cheaper than thermosetting materials, and it is more material-saving than using thermosetting materials to compress and fill between and on each bus conductor to form the housing in the prior art, Manufacturing costs are thereby reduced, which will be described further below.

The structure of the upper and lower housings of the busbar device according to an embodiment of the present invention is now described with reference to Figures 4, 5 and 7, wherein Figure 7 is a three-dimensional schematic diagram of the upper housing 10 in the busbar device as shown in Figure 4 . The main function of the upper and lower shells is that when they are assembled together, they play two roles: on the one hand, support each bus conductor to realize the fixation of the bus conductor; on the other hand, space each bus conductor to realize the bus conductor good insulation between. For this reason, the internal shape of the upper and lower housings can be designed to be compatible with the spatial shape of the bus conductors that fit together. Specifically, in the utility model, preferably, as shown in FIGS. 4 and 7 , the upper housing 10 is mainly used for fixing the main body part of the bus conductor and the interval insulation between the main parts; the lower housing 20 is mainly used for Fixing of the terminal portions of the bus conductors and insulation of spaces between the terminal portions.

As shown in Figure 7, the upper housing 10 includes four side walls 101, 102, 103 and 104 and a top wall 105 extending between the four side walls; similarly, the lower housing 20 may also include four side walls. wall and a bottom wall extending between the four side walls, whereby when the upper and lower housings are assembled together, the side walls of the upper and lower housings abut against each other, thereby forming a The enclosed receiving space is used to accommodate the main body portion of the bus conductor and a portion of each terminal therein, thereby forming the final bus bar arrangement. As shown in FIG. 7, three protruding ribs 111, 112 and 113 are formed on the top wall 105 of the upper housing 10. The three spaces correspond to each other, and the three convex ribs are respectively inserted into the aforementioned three spaces, so as to insulate the four main parts at intervals. As shown in FIG. 4, four grooves surrounded by raised ribs are formed on the lower half of the bottom wall of the lower case 20 (the side near the bottom of the paper in FIG. 4) for accommodating bus conductors. Correspondingly, on the upper half, eight grooves surrounded by raised ribs can be formed for accommodating the eight upper terminals of the bus conductor, whereby each terminal is accommodated in the corresponding The ribs of the groove form the spacer insulation between the terminals. Thus, when the upper and lower housings are assembled together, the terminal portion and the main body portion of each bus conductor can be firmly supported and insulated at intervals.

For the upper and lower housings with the above structure, it can be manufactured quickly and simply by means of a molding process with relatively cheap thermoplastic materials, so the bus bar device of the present invention has lower manufacturing cost and also ensures a good structure stability and electrical performance.

According to the present invention, the vertical arrangement of the main parts of the bus conductors of the bus conductor unit of the bus bar device is not limited to the way shown in FIG. 5 , which will now be described with reference to FIG. 8 . 8 is a three-dimensional schematic diagram of a bus conductor unit of a bus bar device according to another embodiment of the present invention. Referring to Fig. 8, the lower terminals 1311, 1312, 1313, 1314 of the first to fourth bus conductors are successively arranged from left to right, but, in the horizontal plane, along the direction from the upper terminal side to the lower terminal side The main body portion 1332 of the second bus conductor, the main body portion 1334 of the fourth bus conductor, the main body portion 1331 of the first bus conductor and the main body portion 1333 of the third bus conductor are arranged in sequence. Different from this, in the embodiment shown in FIG. 5, the lower terminals 311, 312, 313, 314 of the first to fourth bus conductors are also arranged sequentially from left to right, but, differently, in the horizontal plane Among them, along the direction from the upper terminal side to the lower terminal side, the main body part 333 of the third busbar conductor, the main body part 331 of the first busbar conductor, and the main body part 334 of the fourth busbar conductor are arranged in sequence. and the main body portion 332 of the second bus conductor. Apparently, the plurality of body parts of the bus conductors of the bus bar device of the present invention can also be arranged in other ways, for example, when the lower terminals of the first to fourth bus conductors are arranged in sequence from left to right, that is, the first The lower terminal of the bus conductor, the lower terminal of the second bus conductor, the lower terminal of the third bus conductor, and the lower terminal of the fourth bus conductor, and their main parts are in the horizontal plane along the line from the upper The direction from one side of the terminal to the side of the lower terminal is also arranged sequentially, that is, the main part of the first bus conductor, the lower main part of the second bus conductor, the main part of the third bus conductor, and the bottom body of the fourth bus conductor. The sequence of arrangement of the main parts, or the arrangement order of the main part of the fourth bus conductor, the lower body part of the third bus conductor, the main part of the second bus conductor, and the main part of the first bus conductor, as long as it is guaranteed Each confluence body is generally located in a vertical plane, and it only needs to be vertically arranged along the horizontal direction. Certainly, the embodiment shown in Fig. 5 or 8 according to the present invention is more preferable, because the main parts thereof are better spaced apart, so that it is more favorable for the heat generated by the main parts to dissipate.

The utility model also provides a power conversion device, which includes the above-mentioned bus bar device.

Although the present invention has been described in the specification and illustrated in the drawings on the basis of referring to various embodiments, those skilled in the art can understand that the above-mentioned embodiments are only preferred implementations, and the Some technical features may not be necessary to solve a specific technical problem, so these technical features can be omitted or omitted without affecting the solution to the technical problem or the formation of the technical solution; moreover, the features, elements and/or functions of an embodiment The features, elements and/or functions of one or more other embodiments may be properly combined, combined or coordinated with each other, unless the combination, combination or cooperation is obviously impossible.

Claims (10)

1. cylinder manifold device, this cylinder manifold device comprises:

Housing; And

Major part is contained in the conductor element that confluxes in the housing,

Wherein, the described conductor element that confluxes is made up of a plurality of conductors that conflux, each conductor that confluxes comprise for the upper terminal that directly or indirectly is connected to power supply, be used for directly or indirectly being connected to the lower terminal of load and be connected described upper terminal and described lower terminal between main part, and the end of described upper terminal and the end of described lower terminal expose to outside the described housing so that wiring

It is characterized in that,

Each main part of described a plurality of conductors that conflux is stacked mutually in parallel with each other to the direction of lower part of frame terminal one side from upper terminal one side of housing in first plane.

2. cylinder manifold device as claimed in claim 1 is characterized in that, the main part of described a plurality of conductors that conflux be formed on separately perpendicular in second plane on described first plane to form facade structures.

3. cylinder manifold device as claimed in claim 1, it is characterized in that, the described conductor element that confluxes comprises N the conductor that confluxes, wherein N is the natural number greater than 1, the conflux lower terminal of conductor of this N is arranged in order in succession according to the order of the lower terminal of lower terminal to the N the conductor that confluxes of the conductor that confluxes from first, and the main part of this N the conductor that confluxes not is to be arranged in order in succession according to the order of the main part of main part to the N the conductor that confluxes of the conductor that confluxes from first or the order from the main part of N the conductor that confluxes to the main part of first conductor that confluxes in the direction from upper terminal one side of housing to lower part of frame terminal one side.

4. cylinder manifold device as claimed in claim 1 is characterized in that, described housing is assembled by upper shell and lower house, so that described a plurality of conductors that conflux are contained in wherein.

5. cylinder manifold device as claimed in claim 4 is characterized in that, the roof that described upper shell has four sidewalls and extends between described four sidewalls is formed with the fin of a plurality of projectioies on the described roof.

6. cylinder manifold device as claimed in claim 5 is characterized in that, the number of described fin lacks one than the described number of conductors of confluxing, and described fin lays respectively in the corresponding space that forms between the main part adjacent one another are of the described conductor that confluxes.

7. cylinder manifold device as claimed in claim 4 is characterized in that, the diapire that described lower house has four sidewalls and extends between described four sidewalls is formed with the groove that the fin by a plurality of projectioies surrounds on the described diapire.

8. cylinder manifold device as claimed in claim 7 is characterized in that, described upper terminal and above-mentioned lower terminal are contained in respectively in the corresponding described groove.

9. the described cylinder manifold device of arbitrary claim as described above is characterized in that described housing is made by thermoplastic.

10. a power converter is characterized in that, comprises the described cylinder manifold device of arbitrary claim as described above.

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