CN219534260U

CN219534260U - Reactor, electrical equipment and photovoltaic energy storage system

Info

Publication number: CN219534260U
Application number: CN202320513295.7U
Authority: CN
Inventors: 潘江陵; 黄超龄; 陈林; 吴风雷
Original assignee: Sungrow Power Supply Co Ltd
Current assignee: Sungrow Power Supply Co Ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-08-15
Anticipated expiration: 2033-03-13
Also published as: AU2023263509A1; EP4432316A1

Abstract

The utility model discloses a reactor, electrical equipment and a photovoltaic energy storage system, and belongs to the technical field of electricity. The reactor includes: the shell is provided with a support column; the coil assembly is arranged in the shell; the positioning plate is arranged on the supporting column and is provided with a supporting surface; the conducting bar is electrically connected with the leading-out end of the coil assembly and is provided with a first section, and a first side of the first section is supported on the supporting surface. Through the setting of above-mentioned conducting strip and locating plate, need not to use cable and crimping terminal to realize the drawing forth of port, can simplify overall structure design, reduce parts cost, simultaneously, the locating plate has shortened the conducting strip to the size chain of outside electrical component, has avoided the accumulation of error to improved rigid connection spare's installation accuracy and intensity, and then improved the reliability of electricity connection.

Description

Reactor, electrical equipment and photovoltaic energy storage system

Technical Field

The utility model belongs to the technical field of electricity, and particularly relates to a reactor, electrical equipment and a photovoltaic energy storage system.

Background

In some electrical equipment, a wiring port is led out from a reactor in a cable mode, a wiring terminal is crimped at the tail end of the cable, in the related art, a wiring seat is generally arranged on a circuit board (PCB board, printed Circuit Board), and the terminal at the tail end of the cable of the reactor is locked on the wiring seat of the circuit board through a fastener to realize electric connection with the circuit board.

However, the inventor researches and discovers that the cable sheath of the cable is damaged in the process of installation and use to cause leakage; in addition, the outer cable occupies a space position in the case, so that the utilization rate of the whole space inside the case is reduced; the whole parts are more, and the material cost and the installation time are high.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the reactor, the electrical equipment and the photovoltaic energy storage system, which simplify the overall structural design, reduce the cost of parts and improve the reliability of electrical connection.

In a first aspect, the present utility model provides a reactor comprising:

the shell is provided with a support column;

the coil assembly is arranged in the shell;

the positioning plate is arranged on the supporting column and is provided with a supporting surface;

the conducting bar is electrically connected with the leading-out end of the coil assembly and is provided with a first section, and a first side of the first section is supported on the supporting surface.

According to the reactor disclosed by the utility model, through the arrangement of the conductive bars and the positioning plates, the lead-out of the ports is realized without using cables and crimping terminals, the overall structural design can be simplified, the cost of parts is reduced, meanwhile, the positioning plates shorten the dimension chain from the conductive bars to external electric parts, and the accumulation of errors is avoided, so that the mounting precision and strength of the rigid connecting parts are improved, and the reliability of electric connection is further improved.

According to one embodiment of the present utility model, the positioning plate includes:

the main board body is connected with the support column;

the boss is arranged on the main board body, and the end face of the boss, which is away from the main board body, forms the supporting surface.

According to one embodiment of the utility model, the boss projects with respect to the main plate body in a direction away from the coil assembly, and the second side of the first section is for electrical connection with an external electrical component.

According to one embodiment of the utility model, the first section is provided with a via hole, and the boss is provided with a threaded connection structure opposite to the via hole, and the threaded connection structure is used for being connected with an external electric part.

According to one embodiment of the utility model, the boss is provided with a mounting groove, and a nut is arranged in the mounting groove.

According to one embodiment of the utility model, the conductive bar comprises a second section connected with the first end of the first section, the first section and the second section form a bending structure, and the second section is provided with a first clamping groove; the locating plate includes: the first buckle is arranged on the main board body and is clamped with the first clamping groove.

According to one embodiment of the utility model, the first clamping groove is arranged at the end part of the second section connected with the first section.

According to one embodiment of the utility model, the conductive strip further comprises a third section connected with the second section, the third section and the second section form a bending structure, the third section is parallel to the first section and extends towards the opposite direction relative to the second section, the leading-out end of the coil assembly is provided with a copper strip, and the third section is overlapped with the copper strip.

According to one embodiment of the utility model, the conductive bar further comprises a turned-over edge connected with the second end of the first section, the first section and the turned-over edge form a bending structure, and the turned-over edge is provided with a second clamping groove; the locating plate includes: the second buckle is arranged on the main board body and is clamped with the second clamping groove.

According to one embodiment of the utility model, the plurality of coil groups are provided, the conductive bars comprise a plurality of groups corresponding to the plurality of coil groups one by one, the positioning plate is provided with a plurality of groups of supporting surfaces which are arranged in parallel, and the first sections of the plurality of groups of conductive bars are respectively supported on the plurality of groups of supporting surfaces.

In a second aspect, the present utility model provides an electrical apparatus comprising:

the bottom wall of the case is provided with an avoidance port;

the circuit board is arranged on the chassis;

according to the reactor, the shell is connected with the case, and the conducting bars extend into the case from the avoidance port and are electrically connected with the circuit board.

According to the electrical equipment, through the arrangement of the case, the circuit board and the reactor and the connection design of the conducting bars, the risk of electric leakage caused by line skin damage in the installation and use processes is eliminated, so that the system is simpler and the reliability is higher; the phenomenon that the whole volume is increased due to the fact that large-volume components are accumulated in the case is avoided, and therefore the utilization rate of the whole space inside the case is improved.

In a third aspect, the present utility model provides a photovoltaic energy storage system comprising:

an electrical apparatus as in the above;

a photovoltaic module; the photovoltaic module is electrically connected with the electrical equipment;

a battery; the battery is electrically connected with the electrical device.

According to the photovoltaic energy storage system, through the arrangement of the electrical equipment, the power generation of the system is more stable and durable, the power utilization efficiency is improved, and the power utilization cost is reduced; meanwhile, the fault risk of the energy storage system is reduced, so that the safety is greatly improved, and the working performance of the whole system is further optimized.

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 foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic diagram of a structure of a reactor according to an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of A in FIG. 1;

FIG. 3 is an enlarged schematic view of B in FIG. 1;

fig. 4 is a second schematic structural diagram of a reactor according to an embodiment of the present utility model;

FIG. 5 is an enlarged schematic view of C in FIG. 4;

fig. 6 is a schematic structural diagram of an electrical device according to an embodiment of the present utility model;

FIG. 7 is a second schematic diagram of an electrical device according to an embodiment of the present utility model;

fig. 8 is a third schematic structural diagram of an electrical device according to an embodiment of the present utility model.

Reference numerals:

a reactor 100;

a housing 110, a support column 111;

coil assembly 120, copper bar 121;

the positioning plate 130, the supporting surface 131, the main plate body 132, the boss 133, the first buckle 134, the threaded connection structure 135 and the second buckle 136;

the conductive bar 140, the first section 141, the via hole 142, the second section 143, the first clamping groove 144, the flanging 145, the second clamping groove 146 and the third section 147;

electrical device 200, chassis 300, relief port 310, and circuit board 400.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

The utility model discloses a reactor 100.

A reactor 100 according to an embodiment of the present utility model is described below with reference to fig. 1 to 7.

In some embodiments, the reactor 100 includes: the coil assembly comprises a housing 110, a coil assembly 120, a positioning plate 130 and a conductive bar 140.

The housing 110 is provided with support columns 111.

The case 110 may be an integral frame for supporting the reactor 100, and the material of the case 110 may be a metal material or a plastic material, wherein the plastic may include, but is not limited to, ABS (acrylonitrile butadiene styrene), PC (polycarbonate), and the metal may include, but is not limited to, aluminum alloy, stainless steel, sheet metal, titanium alloy, or the like. For example, in some embodiments, the housing 110 is made of plastic.

The support columns 111 may be provided in a plurality, where a plurality represents 2 or more, such as, in some embodiments, 8 support columns 111 are provided within the housing 110 as shown in fig. 1.

The coil assembly 120 is mounted in the housing 110.

The coil assembly 120 may be used as a functional device for resisting the change of current, and the coil assembly 120 may include a copper wire and an iron core, and the copper wire may be wound around the iron core for a plurality of turns to finally form an inductor.

The positioning plate 130 is mounted on the support column 111, and the positioning plate 130 is provided with a supporting surface 131.

The positioning board 130 may be used to assist in positioning the reactor 100 with external electrical components, and the material of the positioning board 130 may be an insulating material, which may include, but is not limited to, PC (polycarbonate), PVC (polyvinyl chloride), or epoxy, for example, in some embodiments, the material of the positioning board 130 is PVC (polyvinyl chloride).

As shown in fig. 1, the positioning plate 130 may be mounted on the top of the housing 110, and the supporting surface 131 may be located on a side of the positioning plate 130 facing away from the supporting columns 111.

It should be noted that, the housing 110 may realize the precise assembly of the positioning plate 130 through the support column 111, where the support column 111 may be at least one of the following structural forms:

first, the support column 111 has an internally threaded hole.

In this embodiment, as shown in fig. 1 and fig. 4 to fig. 5, the positioning plate 130 may be provided with a connection hole corresponding to the support column 111, the aperture of the connection hole may be equal to the aperture of an internal threaded hole of the support column 111, when the positioning plate 130 is connected with the support column 111, the support column 111 abuts against the positioning plate 130, the internal threaded hole of the support plate may be concentric with the connection hole of the positioning plate 130, the stud may pass through the connection hole to be in threaded connection with the internal threaded hole, and after screwing by using the clamping fixture, the positioning plate 130 may be located between the stud and the support column 111.

Second, the support column 111 has external threads.

In this embodiment, the positioning plate 130 may be provided with a connection hole corresponding to the support column 111, and the hole diameter of the connection hole may be slightly larger than the outer diameter of the support column 111, and the support column 111 may be threaded through the connection hole and the nut when the positioning plate 130 is connected to the support column 111.

Thirdly, the support column 111 has a clamping structure.

In this embodiment, the positioning plate 130 may be provided with a clamping structure corresponding to the support column 111, and when the positioning plate 130 is connected to the support column 111, the clamping structure of the support column 111 is matched with the corresponding clamping structure on the positioning plate 130 in a clamping manner.

The conductive bar 140 is electrically connected to the lead-out terminal of the coil assembly 120, and the conductive bar 140 has a first section 141, and a first side of the first section 141 is supported on the supporting surface 131.

The conductive strip 140 may be used as a conductive medium for electrical connection between the reactor 100 and an external electrical component, which may be the circuit board 400 in the case where the electrical device 200 is an inverter, in which case the conductive strip 140 may be electrically connected with the circuit board 400.

The conductive bars 140 may be made of metal, which may include, but is not limited to, copper, aluminum, or silver, for example, in some embodiments, the conductive bars 140 are made of copper.

In practical implementation, as shown in fig. 1 and fig. 3 to fig. 5, the conductive bar 140 may be in a bent shape, and the first side of the first section 141 may be attached to the supporting surface 131 of the positioning plate 130, so that the first section 141 may protrude from the top of the housing 110, and because the positioning plate 130 is positioned, the assembly accuracy of the conductive bar 140 is higher, and in the process of connecting the conductive bar 140 with an external electrical component, the distance between the conductive bar 140 and the external electrical component may be reduced.

According to the reactor 100 provided by the embodiment of the utility model, through the arrangement of the conductive bars 140 and the positioning plate 130, the lead-out of the ports is realized without using cables and crimping terminals, the overall structural design can be simplified, the cost of parts is reduced, meanwhile, the positioning plate 130 shortens the dimension chain from the conductive bars 140 to external electric parts, and avoids the accumulation of errors, so that the installation precision and strength of the rigid connecting parts are improved, and the reliability of electric connection is further improved.

In some embodiments, as shown in fig. 2 and 5, the positioning plate 130 may include: a main plate body 132 and a boss 133.

The main board body 132 may be connected to the support column 111.

As shown in fig. 1-5, the main plate 132 may be provided with relief holes through which the conductive bars 140 may pass to be supported on the support surface 131.

In practical implementation, as shown in fig. 1 and fig. 4-5, the support column 111 may have an internal threaded hole, the positioning plate 130 may be provided with a connection hole corresponding to the support column 111, during the connection process of the positioning plate 130 and the support column 111, the support column 111 abuts against the main board 132 of the positioning plate 130, the stud may pass through the connection hole to be in threaded connection with the internal threaded hole, and after being screwed by the clamping fixture, the main board 132 may be located between the stud and the support column 111.

The boss 133 may be disposed on the main board 132, and an end surface of the boss 133 facing away from the main board 132 may form the supporting surface 131.

In actual implementation, as shown in fig. 1-5, the conductive bar 140 may extend through the relief hole of the main board 132, the first section 141 of the conductive bar 140 is located above the main board 132, and the first side of the first section 141 may be attached to the supporting surface 131 of the boss 133.

According to the reactor 100 provided by the embodiment of the utility model, through the arrangement of the main board 132 and the boss 133, the fixed connection between the positioning board 130 and the shell 110 is realized, and the position height of the first section 141 is increased, so that the size chain from the conductive bar 140 to the external electric component is shortened, and the positioning precision of the connection between the reactor 100 and the external electric component is improved.

In some embodiments, as shown in fig. 2 and 5, the boss 133 may protrude relative to the main plate body 132 in a direction away from the set of coils 120, and a second side of the first segment 141 may be used for electrical connection with external electrical components.

In actual implementation, the conductive strip 140 may penetrate through the avoidance hole of the main board body 132, and the first side of the first section 141 may be attached to the supporting surface 131 of the boss 133, when the reactor 100 is installed into the electrical device 200, the supporting surface 131 of the boss 133 may face an external electrical component at this time, and meanwhile, the second side of the first section 141 may also face the external electrical component, and the second side of the first section 141 may be connected to the external electrical component, so that electrical connection between the conductive strip 140 and the external electrical component is achieved.

It should be noted that, the boss 133 may also protrude toward a direction close to the coil assembly 120 relative to the main board 132, the first side of the first section 141 may be attached to the supporting surface 131 of the boss 133, and other sections of the conductive bar 140 may be connected to external electrical components, so as to realize electrical connection between the conductive bar 140 and the external electrical components.

According to the reactor provided by the embodiment of the utility model, the lead-out form of the reactor 100 is more flexible through the position arrangement of the boss 133 and the connection design of the conductive bar 140 and the external electric component, and the reliability and stability of the electrical connection of the conductive bar 140 and the external electric component are improved under the condition that the installation precision is not affected.

In some embodiments, as shown in fig. 1-2, the first section 141 may have a via 142 and the boss 133 may be provided with a threaded connection 135 directly opposite the via 142, and the threaded connection 135 may be used to connect with external electrical components.

The threaded connection 135 may be at least one of the following:

first, the threaded connection 135 is a nut.

In this embodiment, as shown in fig. 1-2, the internal threaded hole of the screw connection structure 135 may be disposed concentrically with the through hole 142 of the first section 141, the screw connection structure 135 may be located at a first side of the first section 141, an external electric component may be located at a second side of the first section 141, and a stud may sequentially pass through the external electric component and the through hole 142 of the first section 141 to be finally screw-connected with the screw connection structure 135 when the reactor 100 is installed into a target device.

Second, the threaded connection 135 is a stud.

In this embodiment, when the reactor 100 is installed into the target device, the first end of the screw connection structure 135 may be located at the first side of the first section 141, and at this time, the external electric part may be located at the second side of the first section 141, and the second end of the screw connection structure 135 may sequentially pass through the via hole 142 of the first section 141 and the external electric part and finally be screw-connected with the nut.

According to the reactor 100 provided by the embodiment of the utility model, through the arrangement of the through holes 142 and the threaded connection structure 135, the fixed connection between the conductive bars 140 and external electrical components is realized, and the conductive bars 140 are in direct contact with the external electrical components to complete the electrical connection, so that the overall structure is simple, the reliability of connection is ensured, and meanwhile, the installation and the disassembly work of related operators are facilitated.

In some embodiments, as shown in fig. 1-2, the boss 133 may be provided with a mounting groove, and a nut may be provided within the mounting groove.

In other words, in the present utility model, the screw connection structure 135 may be a nut, and the shape of the mounting groove may be matched to the shape of the nut, so that the nut may be fitted into the mounting groove of the boss 133.

In this embodiment, the internal screw hole of the nut may be disposed concentrically with the through hole 142 of the first section 141, the nut may be installed in the installation groove of the boss 133 when the reactor 100 is installed into the target device, and the nut may be located at the first side of the first section 141, the external electric component may be located at the second side of the first section 141, and the stud may sequentially pass through the external electric component and the through hole 142 of the first section 141 to be finally screw-coupled with the nut.

Alternatively, the mounting groove may be provided with a stud, at this time, the threaded connection structure 135 of the boss 133 may be a stud, the first end of the stud may be placed in the mounting groove, and the second end of the stud may sequentially pass through the via hole 142 of the first section 141 and the external electric component to be finally threaded with the nut.

According to the reactor 100 provided by the embodiment of the utility model, through the arrangement of the mounting groove and the nut, the fixed connection between the conductive bar 140 and the external electric part is realized, the matching between the nut and the boss 133 is more firm, and the connection part of the nut and the boss 133 is prevented from being broken by external force, so that the strength of the fixed connection between the conductive bar 140 and the external electric part is improved.

In some embodiments, as shown in fig. 2-3 and 5, the conductive strip 140 may include a second section 143 connected to a first end of the first section 141, the first section 141 and the second section 143 may form a bent structure, and the second section 143 may be provided with a first clamping groove 144; the positioning plate 130 may include: the first buckle 134 is disposed on the main board 132, and the first buckle 134 can be clamped with the first clamping groove 144.

The connection between the first buckle 134 and the main board 132 may be integrally formed, bolted, or adhesively bonded, for example, in some embodiments, the connection between the first buckle 134 and the main board 132 is integrally formed.

The connection between the first section 141 and the second section 143 may be integrally formed, bolted, adhesively bonded, or the like, such as, in some embodiments, the connection between the first section 141 and the second section 143 is integrally formed.

As shown in fig. 3, a 90 ° bend may be formed between the first section 141 and the second section 143, and the second section 143 may be used to secure the conductive strip 140 to the positioning plate 130.

It can be appreciated that after the first side of the first section 141 is attached to the supporting surface 131 of the boss 133, the position of the through hole 142 of the first section 141 is opposite to the position of the internal threaded hole of the nut, and no fastener is provided for fixing, so that the first section 141 may move at any time, thereby changing the spatial position of the through hole 142 of the first section 141, and after the first clamping groove 144 of the second section 143 is clamped and fixed with the first buckle 134 of the positioning plate 130, the first end of the first section 141 may be fixed.

According to the reactor 100 provided by the embodiment of the utility model, through the arrangement of the second section 143, the first buckle 134 and the first clamping groove 144, the primary fixation between the conductive bar 140 and the positioning plate 130 is realized, the first section 141 is fixed from the first end, the large-amplitude movement of the first section 141 is reduced, the risk of breakage of the conductive bar 140 caused by the reduction of force of the stud to the through hole 142 after the movement is avoided, and the installation difficulty is reduced.

In some embodiments, as shown in fig. 2, the first clamping groove 144 may be provided at an end of the second section 143 connected to the first section 141.

In actual implementation, the first buckle 134 and the side wall of the boss 133 may be arranged at intervals, when the first buckle 134 is fixed with the first clamping groove 144, in consideration of the fixing effect, the clamping force between the first buckle 134 and the first clamping groove 144 is larger, if the first buckle 134 is tightly attached to the side wall of the boss 133, the first buckle 134 is stopped against the side wall of the boss 133, the head of the first buckle 134 is hard to be clamped into the first clamping groove 144 in a short time by manpower, and under the condition that the first buckle 134 and the side wall of the boss 133 are arranged at intervals, a gap exists between the first buckle 134 and the side wall of the boss 133, and the head of the first buckle 134 can be stirred by manpower to slightly fall to the direction of the boss 133, so that the first buckle 134 and the first clamping groove 144 can be clamped easily.

It should be noted that, the first clamping groove 144 may also be disposed at other positions of the second section 143, and in actual implementation, when the first buckle 134 is fixed with the first clamping groove 144, the conductive bar 140 may be slightly shifted at this time, so that the first clamping groove 144 on the conductive bar 140 slightly falls to the direction of the head of the first buckle 134, and then the first buckle 134 and the first clamping groove 144 may be relatively easily clamped.

According to the reactor 100 provided by the embodiment of the utility model, through the position design of the first clamping groove 144 and the first buckle 134, firstly, the position with the smallest error is selected for clamping, so that the fixing effect on the first end of the first section 141 is optimized; secondly, reserving an operable space for installers, avoiding that manpower is largely wasted on the clamping structure, thereby reducing the installation time of related operators.

In some embodiments, as shown in fig. 3 and 5, the conductive bar 140 may further include a third section 147 connected to the second section 143, the third section 147 and the second section 143 may form a bent structure, the third section 147 may be parallel to the first section 141, and the third section 147 may extend in an opposite direction with respect to the second section 143, the lead-out terminal of the coil assembly 120 may have a copper bar 121, and the third section 147 may overlap the copper bar 121.

The connection between the third section 147 and the second section 143 may be integrally formed, bolted, adhesively bonded, or the like, such as, in some embodiments, the connection between the third section 147 and the second section 143.

The third section 147 may be connected to the copper bar 121 by a welded connection, a hot melt connection, an adhesive connection, or the like, such as, in some embodiments, the third section 147 is connected to the copper bar 121 by a welded connection.

In actual implementation, the conductive strip 140 may include the third section 147, the second section 143, the first section 141 and the flange 145 sequentially connected, the third section 147 may be disposed parallel to the supporting surface 131 of the positioning plate 130, and the third section 147 may overlap the coil assembly 120 through the copper strip 121, the second section 143 may be disposed perpendicular to the third section 147, and the second section 143 may be engaged with the first buckle 134 of the positioning plate 130, the first section 141 may be disposed parallel to the third section 147, in other words, the first section 141 may be perpendicular to the second section 143, the first section 141 may be further engaged with the boss 133 of the positioning plate 130, and the first section 141 may be connected to an external electrical component, so that electrical connection between the reactor 100 and the external electrical component may be achieved, the flange 145 may be disposed perpendicular to the third section 147, in other words, the flange 145 may be parallel to the second section 143, and the flange 145 may be engaged with the second buckle 136 of the positioning plate 130.

According to the reactor 100 provided by the embodiment of the utility model, through the arrangement of the third section 147 and the copper bar 121, the electric connection between the conductive bar 140 and the coil assembly 120 is realized, and the extraction of the port is realized through the form of the rigid conductive bar 140 without the need of extracting through a traditional cable and a crimping terminal, so that the overall design of the reactor 100 is simplified, and the manufacturing cost is reduced.

In some embodiments, as shown in fig. 2 and 5, the conductive strip 140 may further include a flange 145 connected to the second end of the first section 141, the first section 141 and the flange 145 may form a bent structure, and the flange 145 may be provided with a second clamping groove 146; the positioning plate 130 may include: the second buckle 136 is disposed on the main board 132, and the second buckle 136 can be engaged with the second slot 146.

The connection between the second buckle 136 and the main board 132 may be integrally formed, bolted, or adhesively bonded, for example, in some embodiments, the connection between the second buckle 136 and the main board 132 is integrally formed.

The connection between the first section 141 and the flange 145 may be integrally formed, bolted, adhesively bonded, or the like, such as, in some embodiments, the connection between the first section 141 and the flange 145.

It can be appreciated that after the first side of the first section 141 is attached to the supporting surface 131 of the boss 133, the position of the through hole 142 of the first section 141 is opposite to the position of the internal threaded hole of the nut, and no fastener is provided to fix the first section 141, so that the first section 141 may move at any time, and the spatial position of the through hole 142 of the first section 141 may change, and after the second clamping groove 146 of the flange 145 is clamped and fixed with the second buckle 136 of the positioning plate 130, the second end of the first section 141 may be fixed.

According to the reactor 100 provided by the embodiment of the utility model, through the arrangement of the flange 145, the second buckle 136 and the second clamping groove 146 and the arrangement of the second section 143, the first buckle 134 and the first clamping groove 144, further fixation between the conductive bar 140 and the positioning plate 130 is realized, the large-amplitude movement of the first section 141 is reduced, the risk of breakage of the conductive bar 140 caused by the reduction of force of the stud to the through hole 142 after movement is avoided, and the installation difficulty is reduced.

In some embodiments, as shown in fig. 1, 4 and 6-7, the coil sets 120 may be plural, and the conductive bars 140 may include plural groups corresponding to the plural coil sets 120 one by one, the positioning plate 130 may be provided with plural groups of support surfaces 131 disposed in parallel, and the first sections 141 of the plural groups of conductive bars 140 may be respectively supported on the plural groups of support surfaces 131.

For example, in some embodiments, the number of the coil groups 120 may be 2 or more, and correspondingly, the conductive bars 140 may include 7 groups corresponding to the 7 coil groups 120 one by one, the positioning plate 130 may be provided with 7 groups of bosses 133,7 corresponding to the conductive bars 140 one by one, and the third sections 147 of the conductive bars 140 of the group 131,7 may be respectively supported on the 7 groups of supporting surfaces 131.

Wherein, the 1 set of conductive bars 140 may include a plurality of 2 or more, for example, in some embodiments, the 1 set of conductive bars 140 includes 2, correspondingly, the 1 set of bosses 133 includes 2, and the 1 set of supporting surfaces 131 includes 2.

In this embodiment, if the plurality of reactors 100 are assembled together, the plurality of coil groups 120 in the plurality of reactors 100 are assembled together, and 1 reactor 100 has 1 group of conductive bars 140 and 1 group of bosses 133, and similarly, the plurality of groups of conductive bars 140 correspond to the plurality of reactors 100, and the plurality of groups of bosses 133 correspond to the plurality of reactors 100.

According to the reactor 100 provided by the embodiment of the utility model, through the arrangement of the number of the reactors 100, the combination of the plurality of coil groups 120 and the extraction of the plurality of ports are realized, the plurality of reactors 100 are assembled uniformly and integrated into a whole, the overall structure layout of the reactor 100 is simplified, the installation is convenient, the overall volume of the reactor 100 is reduced, and the system integration level is improved; the potting of the plurality of reactors 100 can be completed at one time, and the manufacturing cost is reduced compared with a single potting while the production efficiency is improved.

The utility model also discloses an electrical device 200.

In some embodiments, as shown in fig. 6-8, the electrical device 200 includes: chassis 300, circuit board 400, and any of reactors 100 described above.

The bottom wall of the chassis 300 is provided with a relief port 310.

The chassis 300 may be used as a main body frame to carry various electrical components within the electrical device 200, and the chassis 300 may be made of plastic or metal, wherein the plastic may include, but is not limited to, ABS (acrylonitrile butadiene styrene), PC (polycarbonate), the metal may include, but is not limited to, aluminum alloy, stainless steel, sheet metal, or titanium alloy, etc., and in some embodiments, the chassis 300 is made of plastic.

The circuit board 400 is mounted to the chassis 300.

The circuit board 400 may be used as a carrier for electrical connection of electronic components, and as shown in fig. 6-8, the circuit board 400 may be mounted within the chassis 300 of the electrical device 200.

The connection between the circuit board 400 and the chassis 300 may include, but is not limited to, bolting, bonding, welding, etc., for example, in some embodiments, the connection between the circuit board 400 and the chassis 300 is bolting.

The housing 110 is connected to the chassis 300, and the conductive bars 140 extend into the chassis 300 from the escape openings 310 and are electrically connected to the circuit board 400.

As shown in fig. 6 to 8, the conductive bar 140 may be disposed at a side of the reactor 100 near the bottom wall of the case 300, and the reactor 100 may be fixedly connected to the bottom wall of the case 300, thereby achieving contact between the conductive bar 140 and the circuit board 400.

In actual implementation, the circuit board 400 is mounted on the bottom wall of the chassis 300, the conductive strip 140 of the reactor 100 is aligned to the avoidance hole 310 of the bottom wall, the conductive strip 140 of the reactor 100 penetrates through the avoidance hole of the bottom wall, and the conductive strip 140 abuts against the circuit board 400, at this time, the chassis 300 and the reactor 100 are fixed, after the fixation is finished, the circuit board 400 and the conductive strip 140 of the reactor 100 are in an electrically connected state, and then fastening operation can be performed at the connection position of the conductive strip 140 of the reactor 100 and the circuit board 400.

In the embodiment of the utility model, firstly, the conductive bars 140 are used for replacing common cables, so that the phenomenon of electric leakage caused by cable breakage under the condition of long-time use is avoided, and meanwhile, the number of parts is reduced; secondly, the circuit board 400 may be disposed in the chassis 300, the reactor 100 may be disposed outside the chassis 300, and the conductive bar 140 directly passes through the avoiding opening 310 of the bottom wall of the chassis 300 to be electrically connected with the circuit board 400, so as to liberate the reactor 100 from the limited space in the chassis 300, avoid the reactor 100 occupying too large space in the chassis 300, and simplify the structural layout in the chassis 300.

According to the electrical equipment provided by the embodiment of the utility model, through the arrangement of the chassis, the circuit board and the reactor and the connection design of the conducting bars, the risk of electric leakage caused by the damage of the line skin in the installation and use processes is eliminated, so that the system is simpler and the reliability is higher; the phenomenon that the whole volume is increased due to the fact that large-volume components are accumulated in the case is avoided, and therefore the utilization rate of the whole space inside the case is improved.

The utility model also discloses a photovoltaic energy storage system.

In some embodiments, the photovoltaic energy storage system comprises: photovoltaic modules, batteries, and electrical devices 200 as described above.

The photovoltaic module may be electrically connected to the electrical device 200 and the battery may be electrically connected to the electrical device 200.

The photovoltaic module may be used to convert solar energy into electrical energy, the electrical device 200 may be a photovoltaic inverter, the electrical device 200 may convert direct current generated by the photovoltaic module into usable alternating current, and finally the alternating current may be stored in a battery or incorporated into a power grid.

According to the photovoltaic energy storage system provided by the embodiment of the utility model, through the arrangement of the electrical equipment 200, the power generation of the system is more stable and durable, the power utilization efficiency is improved, and the power utilization cost is reduced; meanwhile, the fault risk of the energy storage system is reduced, so that the safety is greatly improved, and the working performance of the whole system is further optimized.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present utility model may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.

In the description of the present utility model, "plurality" means two or more.

In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A reactor, characterized by comprising:

the shell is provided with a support column;

the coil assembly is arranged in the shell;

2. The reactor according to claim 1, characterized in that the positioning plate includes:

the main board body is connected with the support column;

the boss is arranged on the main board body, and the end face, deviating from the coil group, of the boss forms the supporting surface.

3. The reactor according to claim 2, wherein the boss projects in a direction away from the coil assembly with respect to the main board body, and the second side of the first segment is for electrical connection with an external electrical component.

4. A reactor according to claim 2, wherein the first section has a via, the boss being provided with a threaded connection directly opposite the via, the threaded connection being for connection to an external electrical component.

5. The reactor according to claim 2, wherein the boss is provided with a mounting groove, and a nut is provided in the mounting groove.

6. The reactor of claim 2, wherein the conductive strip includes a second section connected to the first end of the first section, the first section and the second section forming a bent structure, the second section having a first slot; the locating plate includes: the first buckle is arranged on the main board body and is clamped with the first clamping groove.

7. The reactor of claim 6, wherein the first clamping groove is provided at an end of the second section connected to the first section.

8. The reactor of claim 6, wherein said conductor bar further comprises a third segment connected to said second segment, said third segment forming a bent structure with said second segment, said third segment being parallel to said first segment and extending in an opposite direction relative to said second segment, said coil assembly pigtail having a copper bar, said third segment overlapping said copper bar.

9. The reactor of claim 2, wherein the conductive strip further comprises a flange connected to the second end of the first section, the first section and the flange forming a bent structure, the flange having a second slot; the locating plate includes: the second buckle is arranged on the main board body and is clamped with the second clamping groove.

10. The reactor according to any one of claims 1 to 8, wherein the number of the coil groups is plural, and the conductive strip includes plural groups corresponding to the plural coil groups one to one, the positioning plate is provided with plural groups of support surfaces arranged in parallel, and the first sections of the plural groups of the conductive strips are supported on the plural groups of the support surfaces, respectively.

11. An electrical device, comprising:

the bottom wall of the case is provided with an avoidance port;

the circuit board is arranged on the chassis;

the reactor according to any one of claims 1 to 10, wherein the case is connected to the chassis, and the conductive strip extends into the chassis from the relief port and is electrically connected to the circuit board.

12. A photovoltaic energy storage system, comprising:

the electrical device as recited in claim 11;

a battery; the battery is electrically connected with the electrical device.