CN217062610U - Integrated economical quick-connection large-current energy storage connector - Google Patents

Abstract

The utility model provides an integrated economical quick-connection large-current energy storage connector, which comprises a socket shell, a screw cap and two groups of cable connecting components; two connecting cavities which respectively penetrate through the socket shell along the axial direction are arranged in the socket shell; a connecting boss is arranged in each connecting cavity, a nut groove is formed in each connecting boss, two screw holes are formed in the shell wall of the socket shell, and the two screw holes correspond to the two connecting bosses respectively. Each group of cable connecting assemblies comprise a first end cable, a first connecting terminal, a second end cable, a second connecting terminal, a nut and a screw. In this energy storage connector, the inside two connection chambeies that set up of socket shell can realize two sets of cable coupling assembling's connection simultaneously, and when being applied to energy storage system, usable energy storage connector realizes the connection of positive negative pole cable, not only can reduce use cost, manufacturing cost, promotes the economic nature, reduces the volume of energy storage connection module, can also realize working efficiency.

Description

Integrated economical quick-connection large-current energy storage connector

Technical Field

The utility model relates to a new forms of energy storage connector field especially relates to an integrated form economical connects heavy current energy storage connector soon.

Background

The large-current energy storage system is used for storing electricity generated by the photovoltaic power generation system into the energy storage system, and further applied to civil or commercial new energy power supply systems, such as urban rail transit, new energy automobile charging stations, large-scale electric equipment, automation control systems and the like. After an energy storage link is introduced into the power production system, demand side management, peak clipping, valley leveling and load smoothing can be effectively carried out, power equipment can be effectively utilized, power supply cost is reduced, application of renewable energy can be promoted, and the method is a means for improving operation stability and adjusting frequency of the power system. Therefore, the development of the energy storage connector has important significance on the energy storage connecting system.

The existing energy storage connector can only be connected with a single-pole cable generally, when the positive cable and the negative cable of an energy storage system are connected, one energy storage connector realizes the positive cable connection, and the other energy storage connector realizes the negative cable connection. So, to a set of positive negative pole cable connection, need set up two connection terminal on energy storage system, not only bring energy storage connector's use cost, manufacturing cost's increase, also be favorable to energy storage system to realize quick wiring, work efficiency is lower, and has also improved the system maintenance cost.

Disclosure of Invention

The utility model aims at solving the shortcoming that exists among the prior art, and the economic heavy current energy storage connector that connects soon of an integrated form that proposes reduces energy storage connector's use cost, manufacturing cost, promotes the economic nature, realizes energy storage system's quick wiring simultaneously, improves work efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an integrated economical quick-connection large-current energy storage connector comprises a socket shell, a screw cap matched with the socket shell and two groups of cable connection assemblies arranged inside the socket shell; wherein the content of the first and second substances,

the socket shell is characterized in that the body of the socket shell is cylindrical and is provided with a first end and a second end in the axial direction of the body, and two connecting cavities which respectively penetrate through the socket shell along the axial direction of the body are arranged in the socket shell; a connecting boss is arranged in each connecting cavity, a nut groove is arranged on each connecting boss, and the depth direction of each nut groove is perpendicular to the axial direction of the socket shell; two screw holes are formed in the wall of the socket shell, each screw hole is communicated with the corresponding connecting cavity, and the two screw holes correspond to the two connecting bosses respectively;

each group of cable connecting components comprises a first end cable, a first connecting terminal, a second end cable, a second connecting terminal, a nut and a screw, the nut is embedded in a nut groove in the corresponding connecting cavity, the first connecting terminal and the second connecting terminal respectively comprise a cable connecting end and a screw connecting end, the screw connecting end of the first connecting terminal is lapped on the nut, the cable connecting end of the first connecting terminal corresponds to the first end of the socket shell, and the first end cable is connected with the cable connecting end of the first connecting terminal; the screw connecting end of the second connecting terminal is correspondingly lapped on the screw connecting end of the first connecting terminal, the cable connecting end of the second connecting terminal is corresponding to the second end of the socket shell, and the cable of the second end is connected with the cable connecting end of the second connecting terminal; the screw passes corresponding screw hole in proper order, second connecting terminal's screw link end, behind the screw link end of first connecting terminal with nut screw thread fit is connected.

Preferably, an insulating sheet is arranged between the two connecting cavities, and the insulating sheet is parallel to the axial direction of the socket shell.

Preferably, the first connection terminal and the second connection terminal are all OT connection terminals.

Preferably, an installation panel with a square outer edge is arranged on the outer wall of the first end of the socket shell, the installation panel is perpendicular to the axis direction of the socket shell, and a plurality of first installation holes are formed in the installation panel; and a sealing gasket is arranged between the mounting panel and the energy storage equipment.

Preferably, the energy storage connector further comprises a plug, an inner claw and an O-ring, a plug mounting groove is formed in the end face of the second end of the socket shell, and the end of the plug extends into the plug mounting groove; the inner claw is sleeved on the plug; a circle of annular sealing groove is formed in the outer wall of the socket shell and is located between the mounting panel and the screw hole; o type circle is located in the annular seal groove, the nut cover is located the inner claw and between the mounting panel and the second end socket shell's outside, O type circle with the inner wall of nut closely laminates.

Preferably, the plug is provided with two cable holes extending along the axial direction of the plug, and the second-end cables of the two sets of cable connecting components respectively penetrate through the corresponding cable holes.

Preferably, the nut includes integrated into one piece's first nut portion and second nut portion, first nut portion with second nut portion coaxial coupling, the outer wall of first nut portion is hexagonal column shape, second nut portion is cylindrical, the terminal surface of second nut portion is equipped with the second round hole, and the second end cable in two sets of cable coupling assembling all passes the second round hole.

Preferably, the nut groove is a square or polygonal groove, and the nut is a corresponding square or polygonal nut matched with the nut groove.

Preferably, the connection corner between the screw connection end of the first connection terminal and the cable connection end of the second connection terminal abuts against the side surface of the connection boss; the side surface of the boss is an inclined surface or a vertical surface.

Preferably, a positive mark or a negative mark is arranged on the surface of the socket shell corresponding to the position of the connecting cavity.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an among the energy storage connector, socket shell is inside to be set up two and to connect the chamber, can realize two sets of cable coupling assembling's connection simultaneously, and when this energy storage connector was applied to energy storage system, usable energy storage connector realized the connection of positive negative pole cable, not only can reduce use cost, manufacturing cost, promoted the economic nature, reduced the volume of energy storage connection module, can also realize quick wiring, improved work efficiency.

Drawings

Fig. 1 is an exploded schematic view of an integrated economical quick-connect high-current energy storage connector according to embodiment 1 of the present invention;

FIG. 2 is a perspective view of the integrated economical quick-connect high-current energy-storage connector shown in FIG. 1;

FIG. 3 is a disassembled schematic view of a nut of the integrated economical quick-connect high-current energy-storage connector of FIG. 2;

fig. 4 is a schematic front view of the integrated economical quick-connect high-current energy storage connector of fig. 2;

FIG. 5 is a schematic cross-sectional view taken along A-A of FIG. 4;

FIG. 6 is a top view of the integrated economical quick connect high current energy storage connector of FIG. 2;

fig. 7 is a schematic sectional view along the direction B-B in fig. 6.

In the figure, 10-socket shell, 11-first end, 12-second end, 13-connecting cavity, 131-insulating sheet, 14-connecting boss, 15-nut groove, 16-screw hole, 17-mounting panel, 171-first mounting hole, 18-plug mounting groove, 19-annular sealing groove; 20-cable connection assembly, 21-first end cable, 22-first connection terminal, 23-second end cable, 24-second connection terminal, 25-nut, 26-screw; 30-a sealing gasket, 31-a first round hole, 32-a second mounting hole; 40-plug, 41-cable hole; 50-inner jaw; 60-O-shaped ring; 70-nut, 71-first nut part, 72-second nut part, 721-second circular hole.

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.

Referring to fig. 1 to 7, the present invention relates to an economical quick-connection high-current energy-storage connector 100, which includes a socket housing 10, a nut 70 engaged with the socket housing 10, and two sets of cable connection assemblies 20 disposed inside the socket housing 10.

Specifically, the body of the socket housing 10 is cylindrical and has a first end 11 and a second end 12 in the axial direction thereof, two connection cavities 13 penetrating the socket housing along the axial direction thereof are provided inside the socket housing 10, and each connection cavity 13 corresponds to one set of cable connection assemblies 20. Each connecting cavity 13 is provided with a connecting boss 14, the connecting boss 14 is provided with a nut groove 15, and the depth direction of the nut groove 15 is perpendicular to the axial direction of the socket shell 10. Two screw holes 16 are formed in the wall of the socket housing 10, each screw hole 16 is communicated with the corresponding connecting cavity 13, and the two screw holes 16 correspond to the two connecting bosses 14 respectively. Set up two sets of connection chambeies 13 in the socket shell 10, can realize the connection of two sets of cable coupling assembling 20 simultaneously, when being applied to energy storage system, the connection of positive negative pole cable is realized to usable energy storage connector, not only can reduce use cost, manufacturing cost, promotes the economic nature, reduces the volume that the module was connected in the energy storage, can also realize quick wiring, improves work efficiency.

The two sets of cable connection assemblies 20 are identical in composition and connection. Each set of cable connection assembly 20 includes a first end cable 21, a first connection terminal 22, a second end cable 23, a second connection terminal 24, a nut 25 and a screw 26, the nut 25 is embedded in the nut groove 15 in the corresponding connection cavity 13, and a central axis of an inner hole of the nut 25 is parallel to a depth direction of the nut groove 15. The first connection terminal 22 and the second connection terminal 24 are both OT terminals (the head is a circle, the tail is a cylinder, the appearance presents an OT shape and is called as OT terminal in the industry) and have opposite cable connection end and screw connection end, the screw connection end of the first connection terminal 22 is lapped on the nut 25, the cable connection end of the first connection terminal 22 corresponds to the first end 11 of the socket shell 10, and the first end cable 21 is connected with the cable connection end of the first connection terminal 22; the screw connecting end of the second connecting terminal 24 is correspondingly lapped on the screw connecting end of the first connecting terminal 22, the cable connecting end of the second connecting terminal 24 is corresponding to the second end 12 of the socket shell 10, and the second end cable 23 is connected with the cable connecting end of the second connecting terminal 24; the screw 26 passes through the corresponding screw hole 16, the screw connecting end of the second connecting terminal 24 and the screw connecting end of the first connecting terminal 22 in sequence and then is in threaded fit connection with the nut 25 to realize the connection and fixation of the two OT terminals.

In practical applications, the first connection terminal 22 and the second connection terminal 24 are both copper terminals, and have good electrical conductivity.

Referring to fig. 1 and fig. 2, in an embodiment, an outer wall of the first end of the receptacle housing 10 is provided with a mounting panel 17 having a square outer edge, the mounting panel 17 is perpendicular to an axial direction of the receptacle housing 10, and the mounting panel 17 is provided with a plurality of first mounting holes 171. Preferably, the utility model discloses an economical connects big current energy storage connector 100 soon still includes sealed the pad 30, and the inside of sealed pad 30 is equipped with first round hole 31, and the outer fringe of sealed pad 30 is squarely and with installation panel 17's structure phase-match, and the first end 10 that socket shell 10 was located to sealed pad 30 cover just pastes with installation panel 17 mutually, is equipped with a plurality of second mounting holes 32 on the sealed pad 30, second mounting hole 32 and first mounting hole 171 one-to-one. The mounting panel 17 is used for facilitating connection and fixation of the energy storage connector 100 with electrical equipment in an energy storage system, and the sealing gasket 30 can enhance connection sealing performance.

Referring to fig. 1, fig. 5 and fig. 7, the economical quick-connection large-current energy storage connector 100 of the present invention further includes a plug 40, an inner claw 50, an O-ring 60 and a nut 70, wherein a plug mounting groove 18 is formed on the end surface of the second end 12 of the socket housing 10, and the end of the plug 40 extends into the plug mounting groove 18. The inner jaw 50 is sleeved on the plug 40. The outer wall of the socket shell 10 is provided with a ring of annular sealing groove 19, and the annular sealing groove 19 is located between the mounting panel 17 and the screw hole 16; the O-ring 60 is disposed in the annular sealing groove 19, the nut 70 is sleeved on the inner claw 50 and the outside of the receptacle housing 10 between the mounting panel 17 and the second end 12, the O-ring 60 is tightly attached to the inner wall of the nut 70, and the O-ring 60 can enhance the connection sealing performance of the nut 70.

In an embodiment, the plug 40 is provided with two cable holes 41 extending along the axial direction of the plug 40, and the second-end cables 23 in the two sets of cable connection assemblies 20 respectively pass through the corresponding cable holes 41.

Further, the nut 70 includes a first nut part 71 and a second nut part 72 which are integrally formed, the first nut part 71 and the second nut part 72 are coaxially connected, and the outer wall of the first nut part 71 is a hexagonal cylinder shape, which is convenient for installation. The second nut part 72 is cylindrical, a second round hole 721 is formed in an end face of the second nut part 72, and the second end cables 23 of the two sets of cable connection assemblies 20 all pass through the second round hole 721.

Referring to fig. 5, in the preferred embodiment of the present invention, an insulation sheet 131 is disposed between the two connection cavities 13, and the insulation sheet 131 is parallel to the axial direction of the socket housing 10. When the utility model discloses a when energy storage connector 100 is applied to energy storage system's positive negative pole cable and connects, insulating piece 131 plays insulating effect, can keep apart the positive, negative pole cable coupling assembling of both sides, reaches the effect that protection circuit is safe.

Alternatively, the nut groove 15 is a square groove and the nut 25 is a square nut, the structure of the nut groove 15 matching the structure of the nut 25. The method comprises the following specific steps: the width and depth of the nut groove 15 are equal to the side length and height of the nut 25, respectively. Thus, the nut 25 is not easily rotated when being inserted into the nut groove 15, thereby ensuring stability and reliability when the screw 26 is tightened. Similarly, the nut groove 15 may have another polygonal structure, and the nut 25 may also have a matching polygonal shape to prevent the nut from rotating during mounting.

Referring to fig. 7, a connection corner of the screw connection end and the cable connection end of the first connection terminal 22 abuts against a side surface of the connection boss 14 close to the first end 11 of the socket housing 10. Preferably, the side surface of the connection boss 14 is an inclined surface or a vertical surface, and the first connection terminal 22 and the second connection terminal 24 are also provided with side surfaces having matching shapes. Thus, the first connecting terminal 22 and the second connecting terminal 24 can be installed and limited by the connecting boss 14, the positioning precision of the two sets of cable connecting assemblies 20 during connection can be guaranteed, and quick connection during installation is guaranteed.

In practical applications, a positive mark and a negative mark (not shown in the figure) may be further disposed on the end face of the first end 10 of the socket housing 10 or the side of the mounting panel 17 facing the first end 11, and the positive mark and the negative mark respectively correspond to the two connecting cavities 13. The arrangement of the anode mark and the cathode mark facilitates the connection of the anode cable and the cathode cable by operators, avoids wrong connection and ensures the safe and reliable line connection.

The utility model discloses an economical connects connection process of heavy current energy storage connector 100 soon as follows:

in each group of cable connection assemblies 20, a second end cable 23 sequentially passes through the nut 70, the inner claw 50 and the corresponding cable hole 41 on the plug 40; the first end cable 21 is connected to the cable connection end of the first connection terminal 22, and the second end cable 23 is connected to the cable connection end of the second connection terminal 24; the nuts 25 are inserted into the corresponding nut grooves 15; extending the screw connecting end of the first connecting terminal 22 from the first end 10 of the socket housing 10 into the corresponding connecting cavity 13 and lapping on the nut 25, and extending the screw connecting end of the second connecting terminal 24 from the second end 12 of the socket housing 10 into the corresponding connecting cavity 13 and lapping on the screw connecting end of the first connecting terminal 22; the screws 26 are inserted into the corresponding screw holes 16, sequentially inserted through the screw connection ends of the second connection terminals 24 and the screw connection ends of the first connection terminals 22, and then screwed with the nuts 25. After the two sets of cable connection assemblies 20 are connected, the plug 40 is installed in the plug installation groove 18 of the second end 12 of the socket housing 10, the inner jaw 50 is sleeved outside the plug 40, the O-ring 60 is embedded in the annular seal groove 19, and finally the nut 70 is sleeved outside the inner jaw 50 and the socket housing 10.

To sum up, the utility model provides an integrated form economical high current energy storage connector that connects soon, socket shell are inside to be set up two and to connect the chamber, can realize two sets of cable coupling assembling's connection simultaneously, and when this energy storage connector was applied to energy storage system, usable energy storage connector realized the connection of positive negative pole cable, not only can reduce use cost, manufacturing cost, promoted economic nature, reduced the volume of energy storage connection module, can also realize quick wiring, improved work efficiency.

The present invention has been described in connection with the above embodiments, which are only examples of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.

Claims (10)

1. An integrated economical quick-connection large-current energy storage connector is characterized by comprising a socket shell, a nut matched with the socket shell and two groups of cable connecting components arranged inside the socket shell; wherein the content of the first and second substances,

the socket shell is characterized in that the body of the socket shell is cylindrical and is provided with a first end and a second end in the axial direction of the body, and two connecting cavities which respectively penetrate through the socket shell along the axial direction of the body are arranged in the socket shell; a connecting boss is arranged in each connecting cavity, a nut groove is arranged on each connecting boss, and the depth direction of each nut groove is perpendicular to the axial direction of the socket shell; two screw holes are formed in the wall of the socket shell, each screw hole is communicated with the corresponding connecting cavity, and the two screw holes respectively correspond to the two connecting bosses;

each group of cable connecting components comprises a first end cable, a first connecting terminal, a second end cable, a second connecting terminal, a nut and a screw, the nut is embedded in a nut groove in a corresponding connecting cavity, the first connecting terminal and the second connecting terminal both comprise a cable connecting end and a screw connecting end, the screw connecting end of the first connecting terminal is lapped on the nut, the cable connecting end of the first connecting terminal corresponds to the first end of the socket shell, and the first end cable is connected with the cable connecting end of the first connecting terminal; the screw connecting end of the second connecting terminal is correspondingly lapped on the screw connecting end of the first connecting terminal, the cable connecting end of the second connecting terminal is corresponding to the second end of the socket shell, and the cable of the second end is connected with the cable connecting end of the second connecting terminal; the screw passes corresponding screw hole in proper order, second connecting terminal's screw link end, behind the screw link end of first connecting terminal with nut screw thread fit is connected.

2. An integrated economical quick-connect high-current energy-storage connector as claimed in claim 1, wherein an insulating sheet is disposed between two said connection cavities, said insulating sheet is parallel to the axial direction of said socket housing.

3. An integrated economical quick-connect high-current energy-storage connector as claimed in claim 1 or 2, wherein said first connecting terminal and said second connecting terminal are all OT connecting terminals.

4. The integrated economical quick-connection large-current energy storage connector as claimed in claim 3, wherein the outer wall of the first end of the socket housing is provided with a mounting panel with a square outer edge, the mounting panel is perpendicular to the axial direction of the socket housing, and the mounting panel is provided with a plurality of first mounting holes; and a sealing gasket is arranged between the mounting panel and the energy storage equipment.

5. The integrated economical quick-connection large-current energy storage connector as claimed in claim 4, wherein the energy storage connector further comprises a plug, an inner claw and an O-ring, a plug mounting groove is formed in the second end face of the socket housing, and the end of the plug extends into the plug mounting groove; the inner claw is sleeved on the plug; a circle of annular sealing groove is formed in the outer wall of the socket shell and is located between the mounting panel and the screw hole; o type circle is located in the annular seal groove, the nut cover is located the inner claw and between the second end the socket shell's outside, O type circle with the inner wall of nut closely laminates.

6. An integrated economical quick-connection large-current energy storage connector as claimed in claim 5, wherein the plug is provided with two cable holes extending along the axial direction of the plug, and the cables at the second ends of the two sets of cable connection assemblies respectively pass through the corresponding cable holes.

7. The integrated economical quick-connection large-current energy storage connector as claimed in claim 3, wherein the nut comprises a first nut part and a second nut part which are integrally formed, the first nut part is coaxially connected with the second nut part, the outer wall of the first nut part is in a hexagonal column shape, the second nut part is in a cylindrical shape, a second round hole is formed in the end face of the second nut part, and the second end cables of the two sets of cable connection assemblies penetrate through the second round hole.

8. An integrated economical high-current energy storage connector for quick connection as claimed in claim 3, wherein said nut groove is a square or polygonal groove and said nut is a corresponding square or polygonal nut matching with the nut groove.

9. The integrated economical quick-connection large-current energy storage connector as claimed in claim 8, wherein the connecting corners of the screw connecting ends of the first connecting terminal and the second connecting terminal and the cable connecting end are abutted against the side surfaces of the connecting bosses; the side surface of the boss is an inclined surface or a vertical surface.

10. An integrated economical quick-connection large-current energy storage connector as claimed in claim 3, wherein the surface of the socket housing is provided with positive or negative marks at positions corresponding to the connection cavities.

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