CN216700637U

CN216700637U - Protection component and power supply equipment

Info

Publication number: CN216700637U
Application number: CN202123440235.7U
Authority: CN
Inventors: 金红元; 易德刚; 其他发明人请求不公开姓名
Original assignee: Shenzhen Sofarsolar Co Ltd
Current assignee: Shenzhen Sofarsolar Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-07
Anticipated expiration: 2031-12-30

Abstract

The embodiment of the utility model relates to the technical field of power supply systems, and discloses a protection assembly and power supply equipment. This protection component includes: locating part and mounting. The limiting piece is axially provided with a plurality of through holes, and the limiting piece is fixed on the power supply equipment through the through holes, so that a fixed gap is kept between a connector plug and a connector socket of the power supply equipment; the surface of the fixing piece is fixed with a soft material, and both ends of the fixing piece are provided with through holes for fixedly connecting with a cabinet of power supply equipment; the fixing piece is used for buffering mechanical vibration and impact on the power module. The utility model has the beneficial effects that: the integrated transportation of the power module and the power cabinet can be realized through the protection assembly, and the packaging cost, the transportation cost and the labor cost of power equipment are saved.

Description

Protection component and power supply equipment

Technical Field

The utility model relates to the technical field of power supply systems, in particular to a protection assembly and power supply equipment.

Background

A power module, such as a converter, is a key device in the fields of energy storage devices, power supply systems, new energy power generation, and the like, and since the rated power of a single converter is limited, several converters are usually connected in series or in parallel for use.

Taking a high-voltage direct current (HVDC) power supply system for a data center as an example, an HVDC power supply system with a rated power of several hundred kilowatts or even megawatts is generally formed by connecting dozens or even hundreds of power modules with a rated power of dozens of kilowatts (such as 15-40 kw) in parallel. Power transmission and signal transmission between a power module and an HVDC power supply system are often realized by using a connector, the connector includes a connector plug and a connector socket, the connector plug is arranged on the back of the power module, the connector socket is arranged on a power cabinet, and terminals used for establishing good electrical contact in the connector plug and the connector socket are generally manufactured by adopting processes of pure copper stamping or drawing, surface silver plating and the like.

In the hoisting and transporting process of the HVDC power supply system, mechanical vibration and impact are inevitably applied, for example, the acceleration of vibration in road transportation can reach 15g or more, and large mechanical vibration and impact are transmitted to a connector in a connection state, which may cause the terminal of the connector to deform or even damage.

SUMMERY OF THE UTILITY MODEL

Therefore, a protection assembly and power supply equipment are provided for solving the problem that in the prior art, a connection part is easily damaged due to mechanical vibration and impact in the integrated transportation process of the power supply module and the system cabinet.

In order to solve the above technical problem, one technical solution adopted by the embodiment of the present invention is:

a protective assembly comprising: the limiting piece is axially provided with a plurality of through holes and is fixed on the power supply equipment through the through holes; the power supply equipment comprises a power supply module and a power supply cabinet, wherein the power supply module is provided with a connector plug, the power supply cabinet is provided with a connector socket for the insertion of the connector plug, and the limiting piece is used for keeping a fixed gap between the connector plug and the connector socket; the surface of the fixing piece is fixed with a soft material, and two ends of the fixing piece are provided with through holes for fixedly connecting with the power supply cabinet; the fixing piece is used for buffering mechanical vibration and impact on the power module.

As a further improvement of the above scheme, the fixing member includes a fixing member body and folding lugs, and both side edges of the fixing member body are bent toward the same side direction of the fixing member body to form a pair of folding lugs arranged oppositely.

As a further improvement of the above, the folded lug is perpendicular to the fixing member body.

As a further improvement of the above, the cross section of the limiting member is rectangular.

As a further improvement of the above scheme, the limiting member and the fixing member are made of steel.

In order to solve the above technical problem, another technical solution adopted in the embodiment of the present invention is:

a power supply apparatus comprising: the bottom end of a panel of the power supply module is provided with a first mounting hole matched with the through hole of the limiting part, and a connector plug is fixed on the back surface of the power supply module, which is opposite to the panel of the power supply module; the power supply cabinet is fixedly provided with a connector socket for plugging the connector plug; and the protection assembly is detachably arranged on the power supply cabinet.

As a further improvement of the above solution, the power cabinet includes a frame, a plurality of support plates, and a plurality of connection plates; the frame is provided with a plurality of through holes for fixing the support plate and the connecting plate, and the support plate, the connecting plate and the protection component are detachably fixed on the frame through the through holes.

As a further improvement of the above solution, a plurality of second mounting holes adapted to the through holes of the limiting member are distributed on the cross beam of the frame along the axial direction of the cross beam, the cross beam supports the other edge of the supporting plate opposite to the second side plate, and the limiting member is fixed on the cross beam through the second mounting holes.

As a further improvement of the above solution, a plurality of conducting bars are fixed on the surface of the supporting plate, the conducting bars are distributed in an array manner, the conducting bars are parallel to each other, a plurality of guide grooves are formed on the surface of the supporting plate, and the power module can slide into the power cabinet through the guide grooves.

As a further improvement of the above scheme, the plurality of connecting plates are fixed on the frame to enclose a first side, a second side, and a third side of the power supply cabinet, the first side and the third side are arranged oppositely, and the second side is connected between the first side and the third side; the connector receptacle is secured to the third side.

The bracket provided by the utility model has the beneficial effects that: the power module and the power cabinet can be kept in a completely disconnected state in the shipping process through the limiting piece; the fixing piece can buffer the mechanical vibration and impact on the power module; after power supply equipment is transported to the scene and takes one's place, dismantle this protective assembly again, realized the integral type transportation of power module and power rack through this protective assembly, saved power supply equipment's packing cost, cost of transportation and cost of labor to, locating part and mounting circulated use accord with green's theory.

Drawings

One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.

Fig. 1 is a schematic structural diagram of a limiting element according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a fixing member provided in an embodiment of the present invention;

FIG. 3 is a schematic structural view of the power supply apparatus when the shield assembly is not installed;

FIG. 4 is a schematic diagram of a power module;

fig. 5 is a schematic structural view of a power supply apparatus mounted with a shield assembly provided by an embodiment of the present invention;

fig. 6 is a full sectional view of the power supply apparatus of fig. 5.

Detailed Description

The utility model is described in detail below with reference to specific embodiments, it should be emphasized that the following description is only exemplary and is not intended to limit the scope and application of the utility model.

It is to be understood that, unless otherwise expressly specified or limited, the terms "central," "longitudinal," "lateral," "upper," "lower," "vertical," "horizontal," "inner," "outer," and the like as used herein are intended to refer to those orientations and positional relationships illustrated in the drawings, and are intended to facilitate the description of the utility model and to simplify the description. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "plurality" means two or more; "and/or" includes any and all combinations of one or more of the associated listed items. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In order to better understand the technical solution, the following brief description is made on the existing power supply device.

In the process of shipping the power supply equipment, if the connecting terminals of the power supply module and the connecting terminals of the power supply cabinet are connected together without any anti-collision measures, the connecting terminals of the power supply module and/or the power supply cabinet are easily deformed or damaged when mechanical vibration and impact are applied.

Packaging the power module separately from the power cabinet during transportation, while avoiding such problems, can result in additional packaging, transportation, and labor costs.

In view of the above-mentioned problems, the applicant provides a protection assembly suitable for integrally transporting a power module and a power cabinet, by which a relatively fixed distance between a connection terminal of the power module and a connection terminal of the power cabinet can be maintained, so as to weaken mechanical vibration and impact on power equipment during transportation, and prevent deformation or damage of the connection terminal of the power module and/or the power cabinet.

Referring to fig. 1 and 2, the protection assembly of the present invention includes a limiting member 110 and a fixing member 120.

The limiting member 110 is a long tubular structure, and the limiting member 110 has a plurality of through holes along the axial direction.

The cross section of the limiting member 110 may be rectangular or other shapes, and in order to better fasten the limiting member 110 and the power supply device together in a close contact manner, the cross section of the limiting member 110 in this embodiment is designed to be rectangular.

The fixing element 120 includes a fixing element body 121 and a folded lug 122, the fixing element body 121 is a long plate-shaped structure, two side edges of the fixing element body 121 are bent toward the same side direction of the fixing element body 121 to form a pair of folded lugs 122 which are oppositely arranged, the folded lugs 122 can improve the mechanical strength and rigidity of the fixing element 120, in this embodiment, the folded lugs 122 are bent toward the direction perpendicular to the fixing element body 121, that is, the bent angle of the folded lugs 122 is 90 degrees.

Through holes for fixedly connecting the fixing member 120 to the power supply device are formed at both ends of the fixing member body 121.

The surface of the fixing member 120 away from the folded lug 122 is fixed with a soft material 123, specifically, the soft material 123 may be a rubber strip or a foam pad, and is used for buffering mechanical impact vibration and impact on the power supply device during transportation, and improving the protection effect.

The limiting member 110 and the fixing member 120 may be made of steel to ensure sufficient mechanical strength and rigidity against mechanical vibration and impact generated during shipment of the power supply device.

As shown in fig. 3 and 4, the power supply apparatus 200 includes a number of power supply modules 210 and a power supply cabinet 220.

A pull rod is fixed in the middle of the panel 211 of the power module 210, a first mounting hole 2111 matched with the through hole of the limiting member 110 is formed at the bottom end of the panel 211, a connector plug 212 is fixedly mounted on the back surface of the power module 210 opposite to the panel 211, and the connector plug 212 includes an input connector plug 2121 and an output connector plug 2122.

Referring to fig. 3, the power cabinet 220 is used for installing the power module 210, the power cabinet 220 includes a plurality of support plates 221, a plurality of connection plates 222, and a frame 223, a plurality of through holes for fixing the support plates 221 and the connection plates 222 are opened on the frame 223, and the support plates 221 and the connection plates 222 are detachably fixed on the frame 223 in a threaded connection manner.

The supporting plate 221 has a plurality of guide bars 2211 distributed in an array, the plurality of guide bars 2211 are parallel to each other and perpendicular to the supporting plate 221 to form a plurality of guide slots 2212, and the power module 210 can slide into the power cabinet 220 along the guide slots 2212.

In this embodiment, the number of the supporting plates 221 is two, and the two supporting plates 221 are arranged in parallel in the power supply cabinet 220, so as to divide the power supply cabinet 220 into an upper layer and a lower layer, which are used for installing the power supply module 210.

The plurality of connecting plates 222 are fixed on the frame 223 to form a first side, a second side and a third side of the power cabinet 223, the first side and the third side are opposite, and the second side is connected between the first side and the third side.

In some embodiments, the first side, the third side, and the supporting plate 221 may be integrally connected plates, that is, the first side, the third side, and the supporting plate 221 are formed by bending one plate, for example, a steel plate, twice.

Fixedly mounted on the third side in an array are connector jacks 224, the connector jacks 224 including input connector jacks 2241 that mate with input connector plugs 2121 of the power module 210, and output connector jacks 2242 that mate with output connector plugs 2122.

In the non-shipping state, after the power module 210 is pushed into position along the guide slots 2212 in the power cabinet 210, the connector plugs 212 on the back of the power module 220 will be plugged into the connector sockets 224 to establish a reliable electrical connection.

On one of the cross beams 2231 of the frame 223, a plurality of second mounting holes are distributed along the axial direction of the cross beam 2231, the second mounting holes being matched with the through holes on the limiting member 110, the cross beam 2231 is used for supporting the other edge of the supporting plate 221, which is opposite to the second side plate, and the limiting member 110 can be fixed on the cross beam 2231 through the second mounting holes.

The power module 210 can be locked in the power cabinet 210 by using screws to pass through the first mounting hole 221 and the second mounting hole in sequence.

If a maintenance person detects a failure of a power module 210 during the operation of the power supply apparatus 200, the maintenance person only needs to detach the screws at the bottom end of the panel 211 of the failed power module 210, pull the failed power module 210 out of the power cabinet 220, and then push the replaced power module 210 in again. The power supply apparatus 200 system does not need to be stopped during the entire replacement process.

The process of using the protection component provided by the embodiment of the present invention to realize the integrated transportation of the power module 210 and the power cabinet 220 is as follows:

s10, as shown in fig. 5, before the power supply device 200 is shipped, the stopper 110 is fixedly mounted on the cross member 2231 at the other edge of the support plate 221 opposite to the second side plate using screws.

S20, the power module 210 is pushed into the power cabinet 220 along the guide slot 2212.

S30, passing screws through the first mounting holes 2111 of the panel 211 of the power module 210, the through holes of the stoppers 110, and the second mounting holes of the cross beam 2231 in sequence, so as to lock the power module 210 in the power cabinet 220.

S40, fixing both ends of the fixing member 120 to the top end of the power cabinet 220 in a threaded manner, and making the surface fixed with the soft material 123 face the inside of the power cabinet 220, wherein one end of the fixing member 120 is fixedly connected to the top end face of the first side plate, and the other end is fixedly connected to the top end face of the third side plate.

S50, after the power supply device 200 is shipped to the site, the limiting members 110 and the fixing members 120 are disassembled, then the power supply modules 210 are pushed into place along the guiding slots 2212 one by one, so as to completely connect the connector plugs 212 to the connector sockets 224, and finally the power supply modules 210 are locked in the power supply cabinet 220 according to the step S30.

As shown in fig. 6, the position limiting member 110 can keep a sufficient gap S between the connector plug 212 of the power module 210 and the connector socket 224 of the power cabinet 220 during the shipping process, so that the power module 210 is completely disconnected from the connector (connector plug 212, connector socket 224) of the power cabinet 220, and the connector is prevented from being damaged during the transportation process.

It should be noted that the thickness of the limiting member 110 in the direction of the power module 210 moving along the guiding slot 2212 (hereinafter referred to as "broadside") should be a certain thickness, so that after the power module 210 is mounted to the power cabinet 220 equipped with the shielding assembly, a safe gap can be maintained between the connector plug 212 and the connector socket 224, in this embodiment, the gap value is equal to the broadside value of the limiting member 110.

It can be understood by those skilled in the art that the protection component provided by the present invention is also applicable to other power supply systems that implement electrical connection between modules and systems through connectors, such as power module cascaded medium voltage frequency converters MVDs, static var compensators (STATCOM or SVG), Electric Vehicle Charging Systems (EVCS), energy storage systems (PCS), and the like.

In the protection assembly provided by the utility model, the stopper 110 can keep the connector plug 212 of the power module 210 and the connector socket 224 of the power cabinet 220 in a completely disconnected state in the shipping process, the fixing element 120 can buffer the mechanical vibration and impact on the power module 210, the protection assembly is disassembled after the power equipment 200 is transported to the site, the integrated transportation of the power module 210 and the power cabinet 220 can be realized through the protection assembly, the packaging cost, the transportation cost and the labor cost of the power equipment 200 are saved, and the stopper 110 and the fixing element 120 can be recycled, so that the protection assembly conforms to the concept of green environmental protection.

The foregoing is a further detailed description of the utility model in connection with specific/preferred embodiments and is not intended to limit the practice of the utility model to these descriptions. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims

1. A protective assembly, comprising:

the limiting piece is axially provided with a plurality of through holes and is fixed on the power supply equipment through the through holes, so that a preset gap is kept between a connector plug and a connector socket which are mutually inserted in the power supply equipment;

the fixing pieces are respectively provided with through holes at two ends and are fixed on the power supply equipment through the through holes; and soft materials are arranged on the surfaces of the fixing pieces, which are tightly attached to the power supply equipment.

2. The shield assembly of claim 1 wherein the fastener includes a fastener body and a pair of flanges, the two sides of the fastener body are bent toward the same side of the fastener body to form a pair of flanges opposite to each other.

3. The shield assembly of claim 2 wherein said tabs are perpendicular to said fastener body.

4. The shield assembly of claim 1 wherein said retainer is rectangular in cross-section.

5. The fender assembly of claim 1, wherein the retaining member and the securing member are fabricated from steel.

6. A power supply apparatus, characterized by comprising:

the bottom end of a panel of the power supply module is provided with a first mounting hole matched with the through hole of the limiting part, and a connector plug is fixed on the back surface of the power supply module, which is opposite to the panel of the power supply module;

the power supply cabinet is fixedly provided with a connector socket for plugging the connector plug;

and a guard assembly as claimed in any one of claims 1 to 5, the guard assembly being removably mounted to the power supply cabinet.

7. The power supply apparatus of claim 6, wherein the power cabinet comprises a frame, a plurality of support plates, and a plurality of connection plates; the frame is provided with a plurality of through holes for fixing the support plate and the connecting plate, and the support plate, the connecting plate and the protection component are detachably fixed on the frame through the through holes.

8. The power supply device according to claim 7, wherein a plurality of second mounting holes are distributed on a cross beam of the frame along an axial direction of the cross beam, the second mounting holes being adapted to the through holes of the position limiting member, the cross beam supporting the support plate, and the position limiting member being fixed to the cross beam through the second mounting holes.

9. The power supply apparatus of claim 7, wherein a plurality of conductive bars are fixed on the surface of the support plate, the conductive bars are arranged in an array, the conductive bars are parallel to each other, a plurality of guide grooves are formed on the surface of the support plate, and the power supply module can slide into the power supply cabinet through the guide grooves.

10. The power supply apparatus of claim 7, wherein the plurality of connection boards are secured to the frame to define a first side, a second side, and a third side of the power cabinet, the first side being opposite the third side, the second side being connected between the first side and the third side; the connector receptacle is secured to the third side.