Energy storage connector

Abstract

The present invention belongs to the technical field of electrical connection devices, and in particular relates to an energy storage connector, comprising a flange, and further comprising: a female insulating column, the female insulating column being arranged on one side of the flange; a male insulating sleeve being sleeved on the outside of the female insulating column, the outer wall of the female insulating column being integrally formed with two symmetrical fan-shaped protrusions, the inner wall of the male insulating sleeve being integrally formed with two symmetrical inner protrusions, and both inner protrusions being arranged between the two fan-shaped protrusions, and the two fan-shaped protrusions and the two inner protrusions being jointly installed with a movable electrical connection assembly. The present invention effectively improves the ability of the energy storage connector to withstand axial tensile force by rotating the plug-in connection, ensures stable connection, is easy to use, and can enhance the heat dissipation capacity of the conductive connection, ensuring the stability of power transmission. At the same time, single-pole or double-pole connectors can be flexibly manufactured according to demand to adapt to diverse circuit transmission requirements.

Description

Technical Field

[0001] The present invention belongs to the technical field of electrical connection devices, and in particular relates to an energy storage connector. Background Art

[0002] Amid the rapid development of new energy, energy storage systems have become crucial for a stable power supply. As a core component of energy storage systems, energy storage connectors are widely used in scenarios such as connecting battery packs and interacting with batteries and inverters, fulfilling the role of power transmission and distribution.

[0003] Currently, energy storage connectors are indispensable electrical connection devices in energy storage systems. They can realize the rapid connection of cables, terminals, etc., such as the energy storage connector disclosed in patent publication number CN116315885A. As for the connector structure disclosed in the above patent, most existing energy storage connectors use a plug-in structure to connect the male and female connectors. Since the connector is easily subjected to axial tension during use, in order to prevent the male and female connectors of the connector from loosening, the connector needs to be designed with an anti-slip structure or a locking structure. However, when subjected to axial tension for a long time, the anti-slip structure or the locking structure is subjected to large pressure and is prone to damage. At the same time, the anti-slip structure or the locking structure generally requires a secondary operation, that is, after insertion, the anti-slip structure or the locking structure needs to be operated to fix the connector again, which increases the complexity of use. Summary of the Invention

[0004] The object of the present invention is to provide an energy storage connector in view of the above problems.

[0005] To achieve the above-mentioned object, the present invention adopts the following technical solution: an energy storage connector, comprising a flange, and further comprising:

[0006] A female insulating column is provided on one side of the flange;

[0007] A male insulating sleeve is sleeved on the outer side of the female insulating column, the outer side wall of the female insulating column is integrally formed with two symmetrical fan-shaped protrusions, and the inner wall of the male insulating sleeve is integrally formed with two symmetrical inner protrusions, and the two inner protrusions are both arranged between the two fan-shaped protrusions, and the two fan-shaped protrusions and the two inner protrusions are jointly installed with a movable electrical connection component;

[0008] A female terminal assembly is mounted on the side wall of the flange;

[0009] The male terminal assembly is mounted on the side wall of the male insulating sleeve.

[0010] Preferably, the movable electrical connection component includes an arc-shaped conductive column fixedly mounted on the side walls on opposite sides of the two inner protrusions, the side walls of the two fan-shaped protrusions are provided with plug-in slots matching the corresponding inner protrusions, and U-shaped elastic conductive sheets are installed inside the two plug-in slots, the side walls of the U-shaped elastic conductive sheet are integrally bent and provided with multiple elastic contact parts, and after the arc-shaped conductive column is rotated and moved into the plug-in slot, the U-shaped elastic conductive sheet contacts the side wall of the arc-shaped conductive column through the elastic contact part.

[0011] Preferably, the female terminal assembly includes a first connecting insulating column integrally formed at the end of the female insulating column, and the first connecting insulating column passes through the side wall of the flange, and the first connecting insulating column is installed with a first female terminal at the end away from the female insulating column, and a conductive rod and two conductive strips are fixedly inserted into the interior of the female insulating column, and the side walls on the opposite sides of the two conductive strips are electrically connected to the ends of the corresponding U-shaped elastic conductive sheets, the conductive rod is electrically connected to the two conductive strips, and the conductive rod is electrically connected to the first female terminal.

[0012] Preferably, the male terminal assembly includes two second connecting insulating columns fixedly mounted on the side wall of the male insulating sleeve, the second connecting insulating columns and the inner protruding side wall on the same side are jointly plugged with a first curved conductive column, the two second connecting insulating columns are jointly installed with an insulating plate at one end away from the male insulating sleeve, and a first male terminal is installed at the center of the side wall of the insulating plate, and the first male terminal is electrically connected to the two first curved conductive columns.

[0013] Preferably, two arc-shaped thermally conductive cotton blocks are fixedly installed on the outer wall of the female insulating column, and the side walls of the two arc-shaped thermally conductive cotton blocks are in contact with the inner wall of the male insulating sleeve. The side wall of the male insulating sleeve is fixedly plugged with multiple thermally conductive rods, and the rod ends of the multiple thermally conductive rods on the same side are jointly fixedly installed with an arc-shaped heat dissipation plate, and the arc-shaped heat dissipation plate is arranged on the outside of the male insulating sleeve.

[0014] Preferably, two symmetrical threaded portions are fixedly mounted on the outer side of the female insulating column, and the two inner protruding inner walls are both threadedly connected to the threaded portion on the same side.

[0015] Preferably, the female terminal assembly includes two third connecting insulating columns integrally formed at the end of the female insulating column, and the two third connecting insulating columns both pass through the side wall of the flange, and the two third connecting insulating columns are each installed with a second female terminal at one end away from the female insulating column, and two conductive plates are fixedly inserted into the interior of the female insulating column, and both conductive plates are electrically connected to the end of the U-shaped elastic conductive sheet on the same side, and both conductive plates are electrically connected to the corresponding second female terminal.

[0016] Preferably, the male terminal assembly includes two fourth connecting insulating columns fixedly mounted on the side wall of the male insulating sleeve, and the fourth connecting insulating columns and the inner protruding side wall on the same side are fixedly plugged with a second curved conductive column. The ends of the two fourth connecting insulating columns away from the male insulating sleeve are fixedly connected to the second male terminal, and the two second male terminals are electrically connected to the second curved conductive column on the same side.

[0017] Compared with existing technologies, the advantages of an energy storage connector are:

[0018] 1. Through the mutual cooperation of the flange, female insulating column, male insulating sleeve, fan-shaped protrusion, inner protrusion and movable electrical connection component, the male and female heads of the energy storage connector can be connected by rotating and plugging, effectively improving its ability to withstand axial tensile force, making it less likely to have axial displacement, ensuring the connection stability of the connector, and cooperating with the threaded part, the connector can be stably fixed in one connection action, making it easy and reliable to use.

[0019] 2. The female terminal assembly and the male terminal assembly are provided to realize the connection between the connector and the external cable or terminal. The male and female connectors are connected by two arc-shaped conductive columns and a U-shaped elastic conductive sheet. This design is highly flexible and can be used to manufacture single-pole connectors or bipolar connectors according to production requirements. It can adapt to different circuit systems and meet the diverse application scenarios of single-line transmission or positive and negative dual-line transmission.

[0020] 3. By cooperating with the arc-shaped thermal conductive cotton block, the thermal conductive rod and the arc-shaped heat dissipation plate, the heat dissipation capacity of the connection between the arc-shaped conductive column and the U-shaped elastic conductive sheet can be increased, thereby minimizing the temperature accumulation at the electrical connection position of the male and female connectors from being too high, which may affect the stability of power transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 1 is a structural diagram of embodiment 1 of an energy storage connector provided by the present invention;

[0022] Figure 2 This is a structural diagram of a female insulating post and a male insulating sleeve of an energy storage connector according to embodiment 1 of the present invention before rotational plugging;

[0023] Figure 3 This is a schematic structural diagram of a female insulating post of Example 1 of an energy storage connector provided by the present invention;

[0024] Figure 4 1 is a schematic structural diagram of a male insulating sleeve of an energy storage connector according to embodiment 1 of the present invention;

[0025] Figure 5This is a structural diagram of a female insulating post and a male insulating sleeve of an energy storage connector according to embodiment 1 of the present invention after rotational plugging;

[0026] Figure 6 1 is a schematic structural diagram of a female terminal assembly and a male terminal assembly of Example 1 of an energy storage connector provided by the present invention;

[0027] Figure 7 1 is a structural diagram of embodiment 2 of an energy storage connector provided by the present invention;

[0028] Figure 8 1 is a schematic structural diagram of a female terminal assembly and a male terminal assembly of a second embodiment of an energy storage connector provided by the present invention;

[0029] Figure 9 This is a structural schematic diagram of a female insulating post and a male insulating sleeve of Example 2 of an energy storage connector provided by the present invention before rotational plugging.

[0030] In the figure: 1 flange, 2 female insulating column, 3 male insulating sleeve, 4 fan-shaped protrusion, 5 inner protrusion, 6 movable electrical connection assembly, 61 arc-shaped conductive column, 62 plug-in slot, 63 U-shaped elastic conductive sheet, 64 elastic contact portion, 7 female terminal assembly, 71a first connecting insulating column, 72a first female terminal, 73a conductive rod, 74a conductive strip, 71b third connecting insulating column, 72b second female terminal, 73b conductive plate, 8 male terminal assembly, 81a second connecting insulating column, 82a first curved conductive column, 83a insulating plate, 84a first male terminal, 81b fourth connecting insulating column, 82b second curved conductive column, 83b second male terminal, 9 arc-shaped thermal cotton block, 10 thermal rod, 11 arc-shaped heat sink, 12 threaded portion. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0032] Example 1:

[0033] like Figures 1-6As shown, an energy storage connector includes a flange 1 and also includes: a female insulating column 2, the female insulating column 2 is arranged on one side of the flange 1, a male insulating sleeve 3 is sleeved on the outside of the female insulating column 2, the outer wall of the female insulating column 2 is integrally formed with two symmetrical fan-shaped protrusions 4, the inner wall of the male insulating sleeve 3 is integrally formed with two symmetrical inner protrusions 5, and the two inner protrusions 5 are both arranged between the two fan-shaped protrusions 4, the two fan-shaped protrusions 4 and the two inner protrusions 5 are jointly installed with a movable electrical connection component 6, the movable electrical The connecting component 6 includes an arc-shaped conductive column 61 fixedly installed on the side wall on the opposite side of the two inner protrusions 5. The side walls of the two fan-shaped protrusions 4 are each provided with a plug-in slot 62 that matches the corresponding inner protrusion 5, and a U-shaped elastic conductive sheet 63 is installed inside the two plug-in slots 62. The side wall of the U-shaped elastic conductive sheet 63 is integrally bent and provided with multiple elastic contact portions 64. After the arc-shaped conductive column 61 rotates and moves into the inside of the plug-in slot 62, the U-shaped elastic conductive sheet 63 contacts the side wall of the arc-shaped conductive column 61 through the elastic contact portion 64.

[0034] The female terminal assembly 7 is installed on the side wall of the flange 1. The female terminal assembly 7 includes a first connecting insulating column 71a integrally formed at the end of the female insulating column 2, and the first connecting insulating column 71a passes through the side wall of the flange 1. The first connecting insulating column 71a is installed at the end away from the female insulating column 2 with the first female terminal 72a. A conductive rod 73a and two conductive strips 74a are fixedly inserted into the interior of the female insulating column 2. The side walls on the opposite side of the two conductive strips 74a are electrically connected to the ends of the corresponding U-shaped elastic conductive sheets 63. The conductive rod 73a is electrically connected to the two conductive strips 74a, and the conductive rod 73a is electrically connected to the first female terminal 72a.

[0035] The male terminal assembly 8 is installed on the side wall of the male insulating sleeve 3. The male terminal assembly 8 includes two second connecting insulating columns 81a fixedly installed on the side wall of the male insulating sleeve 3. The second connecting insulating columns 81a and the side wall of the inner protrusion 5 on the same side are jointly plugged with the first curved conductive column 82a. The two second connecting insulating columns 81a are jointly installed with an insulating plate 83a at one end away from the male insulating sleeve 3, and a first male terminal 84a is installed at the center of the side wall of the insulating plate 83a. The first male terminal 84a is electrically connected to the two first curved conductive columns 82a.

[0036] Two arc-shaped thermally conductive cotton blocks 9 are fixedly installed on the outer wall of the female insulating column 2, and the side walls of the two arc-shaped thermally conductive cotton blocks 9 are in contact with the inner wall of the male insulating sleeve 3. The side wall of the male insulating sleeve 3 is fixedly plugged with multiple thermally conductive rods 10, and the rod ends of multiple thermally conductive rods 10 on the same side are jointly fixedly installed with an arc-shaped heat dissipation plate 11. The arc-shaped heat dissipation plate 11 is arranged on the outside of the male insulating sleeve 3, which can increase the heat dissipation efficiency of the contact part between the U-shaped elastic conductive sheet 63 and the arc-shaped conductive column 61.

[0037] Two symmetrical threaded portions 12 are fixedly mounted on the outer side of the female insulating column 2 , and the inner walls of the two inner protrusions 5 are both threadedly connected to the threaded portions 12 on the same side, thereby ensuring the connection stability between the female insulating column 2 and the male insulating sleeve 3 .

[0038] The operating principle of the present invention is described as follows: the flange 1 is installed at a suitable position on the equipment support of the energy storage system (threaded holes are left on the flange 1 to facilitate its connection with the equipment support). Then, the staff takes the male insulating sleeve 3 and puts it on the outside of the female insulating column 2, and makes the inner protrusion 5 located between the fan-shaped protrusions 4 (refer to Figure 2 ), and then the staff rotates the male insulating sleeve 3, at this time the male insulating sleeve 3 will drive the two arc-shaped conductive pillars 61 to rotate and move through the inner protrusion 5, so that the two arc-shaped conductive pillars 61 are inserted into the corresponding insertion slots 62 and contact with the corresponding U-shaped elastic conductive pieces 63 (refer to Figure 5 ), and during the rotation of the male insulating sleeve 3, the inner walls of the two inner protrusions 5 will be threadedly engaged with the corresponding threaded portions 12. When the side walls of the two inner protrusions 5 are against the side walls of the fan-shaped protrusions 4 on the same side, it means that the arc-shaped conductive column 61 is in contact with the elastic contact portion 64 of the side wall of the U-shaped elastic conductive piece 63. At this time, the connection between the male insulating sleeve 3 and the female insulating column 2 is completed. Since it is only necessary to rotate the male insulating sleeve 3 at a certain angle to complete the connection of the connector, the installation is very convenient. Then, the cable of the energy storage device is connected to the first female terminal 72a and the first male terminal 84a to complete the connection between the connector and the energy storage device. Since the arc-shaped conductive column 61 is plugged into the plug slot 62, therefore, when the male insulating sleeve 3 is subjected to axial tension, the arc-shaped conductive pillar 61 will not be displaced due to the axial blocking of the arc-shaped conductive pillar 61 by the insertion groove 62, thereby ensuring the stability of the arc-shaped conductive pillar 61 in the axial direction. In the radial direction, since the inner protrusion 5 is threadedly engaged with the threaded portion 12, even if subjected to radial tension, the inner protrusion 5 and the threaded portion 12 are not easily separated, thereby ensuring the stability of the connection between the arc-shaped conductive pillar 61 and the U-shaped elastic conductive sheet 63 (at the contact surface between the inner protrusion 5 and the sector-shaped protrusion 4, the side wall of the sector-shaped protrusion 4 is provided with a sealing member, such as a sealing ring, to improve the sealing performance in the insertion groove 62 after the arc-shaped conductive pillar 61 is inserted);

[0039] After the male insulating sleeve 3 is connected to the female insulating column 2, the electric energy can be transmitted to the U-shaped elastic conductive sheet 63 through the first female terminal 72a, the conductive rod 73a and the conductive strip 74a, and then the U-shaped elastic conductive sheet 63 transmits the electric energy to the arc-shaped conductive column 61, and then the electric energy is further output through the first curved conductive column 82a and the first male terminal 84a. When the electric energy is output, heat is generated at the contact position between the arc-shaped conductive column 61 and each elastic contact part 64 of the U-shaped elastic conductive sheet 63 (it is difficult to achieve completely ideal contact at the contact point of the connector. Even if the surface looks smooth, there are still bumps and unevenness at the microscopic level, which makes the actual contact area much smaller than the apparent contact area. When current flows through, it will form contraction at these contact points, resulting in increased resistance and heat generation. As the use time increases, the surface of the contact points may be oxidized, corroded, or impurities may adhere, further increasing the contact resistance and increasing the heat generation. Since the arc-shaped conductive column 61 and the U-shaped elastic conductive sheet 63 are located at the outer edge of the female insulating column 2, their heat will be quickly transferred to the arc-shaped thermal conductive cotton block 9, and the arc-shaped thermal conductive cotton block 9 will quickly transfer the heat to each thermal rod 10 and the arc-shaped heat dissipation plate 11. This can increase the heat dissipation area of the female insulating column 2, quickly dissipate the heat of the arc-shaped conductive column 61 and the U-shaped elastic conductive sheet 63 during operation, improve the stability of power transmission, and reduce losses.

[0040] In this embodiment, since there is only one first female terminal 72a and one first male terminal 84a, it is suitable for single-pole connection, such as a scenario where multiple energy storage battery units are connected.

[0041] Example 2:

[0042] like Figure 7-Figure 9 As shown, this embodiment differs from embodiment 1 in that: the female terminal assembly 7 includes two third connecting insulating columns 71b integrally formed at the end of the female insulating column 2, and the two third connecting insulating columns 71b both pass through the side wall of the flange 1, and the two third connecting insulating columns 71b are installed with a second female terminal 72b at one end away from the female insulating column 2, and two conductive plates 73b are fixedly inserted into the interior of the female insulating column 2, and the two conductive plates 73b are electrically connected to the end of the U-shaped elastic conductive sheet 63 on the same side, and the two conductive plates 73b are electrically connected to the corresponding second female terminal 72b.

[0043] The male terminal assembly 8 includes two fourth connecting insulating columns 81b fixedly installed on the side wall of the male insulating sleeve 3. The fourth connecting insulating columns 81b and the side wall of the inner protrusion 5 on the same side are fixedly plugged with the second curved conductive column 82b. The ends of the two fourth connecting insulating columns 81b away from the male insulating sleeve 3 are fixedly connected to the second male terminal 83b, and the two second male terminal 83b are electrically connected to the second curved conductive column 82b on the same side.

[0044] In this embodiment, during production, when the female insulating column 2 is injection molded, two third connecting insulating columns 71b are injection molded simultaneously, and a conductive plate 73b is left inside the third connecting insulating column 71b and inside the female insulating column 2, and then the second female terminal 72b is installed at the end of the two conductive plates 73b. At the same time, when making the male head, the insulating plate 83a is removed, and two second male terminals 83b are installed at the end of the two second curved conductive columns 82b. At this time, the second female terminal 72b is separately connected to the U-shaped elastic conductive sheet 63, the arc-shaped conductive column 61 and the second curved conductive column 82b and the second male terminal 83b on the same side through the corresponding conductive plate 73b. Therefore, when wiring, the positive and negative wires can be connected to the corresponding second female terminal 72b and the second male terminal 83b respectively, which is suitable for dual-electrode connection, such as the scenario of powering a device with an energy storage power supply, and can be flexibly produced according to demand.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An energy storage connector, comprising a flange (1), characterized in that: Also includes: A female insulating column (2) is arranged on one side of the flange (1); A male insulating sleeve (3) is sleeved on the outer side of the female insulating column (2); the outer side wall of the female insulating column (2) is integrally formed with two symmetrical fan-shaped protrusions (4); the inner side wall of the male insulating sleeve (3) is integrally formed with two symmetrical inner protrusions (5), and the two inner protrusions (5) are both arranged between the two fan-shaped protrusions (4); the two fan-shaped protrusions (4) and the two inner protrusions (5) are jointly equipped with a movable electrical connection component (6); The movable electrical connection assembly (6) includes an arc-shaped conductive column (61) fixedly mounted on the side walls on opposite sides of the two inner protrusions (5), the side walls of the two fan-shaped protrusions (4) are each provided with a plug-in slot (62) matching the corresponding inner protrusion (5), and a U-shaped elastic conductive sheet (63) is installed inside the two plug-in slots (62), and the side walls of the U-shaped elastic conductive sheet (63) are integrally bent and provided with a plurality of elastic contact portions (64), and after the arc-shaped conductive column (61) rotates and moves into the inside of the plug-in slot (62), the U-shaped elastic conductive sheet (63) contacts the side wall of the arc-shaped conductive column (61) through the elastic contact portion (64); A female terminal assembly (7) is mounted on a side wall of the flange (1), and the female terminal assembly (7) is electrically connected to the U-shaped elastic conductive sheet (63); A male terminal assembly (8) is mounted on the side wall of the male insulating sleeve (3), and the male terminal assembly (8) is electrically connected to the arc-shaped conductive column (61).

2. An energy storage connector according to claim 1, characterized in that: The female terminal assembly (7) includes a first connecting insulating column (71a) integrally formed and arranged at the end of the female insulating column (2), and the first connecting insulating column (71a) passes through the side wall of the flange (1), and a first female terminal (72a) is installed at the end of the first connecting insulating column (71a) away from the female insulating column (2), and a conductive rod (73a) and two conductive strips (74a) are fixedly inserted into the interior of the female insulating column (2), and the side walls on the opposite sides of the two conductive strips (74a) are electrically connected to the ends of the corresponding U-shaped elastic conductive sheets (63), the conductive rod (73a) is electrically connected to the two conductive strips (74a), and the conductive rod (73a) is electrically connected to the first female terminal (72a).

3. The energy storage connector according to claim 1, characterized in that: The male terminal assembly (8) includes two second connecting insulating columns (81a) fixedly mounted on the side wall of the male insulating sleeve (3), the second connecting insulating columns (81a) and the side wall of the inner protrusion (5) on the same side are jointly plugged with a first curved conductive column (82a), the two second connecting insulating columns (81a) are jointly mounted with an insulating plate (83a) at one end away from the male insulating sleeve (3), and a first male terminal (84a) is mounted at the center of the side wall of the insulating plate (83a), and the first male terminal (84a) is electrically connected to the two first curved conductive columns (82a).

4. The energy storage connector according to claim 1, characterized in that: Two arc-shaped heat-conducting cotton blocks (9) are fixedly mounted on the outer side wall of the female insulating column (2), and the side walls of the two arc-shaped heat-conducting cotton blocks (9) are in contact with the inner wall of the male insulating sleeve (3). A plurality of heat-conducting rods (10) are fixedly plugged into the side wall of the male insulating sleeve (3), and an arc-shaped heat dissipation plate (11) is fixedly mounted on the rod ends of the plurality of heat-conducting rods (10) on the same side. The arc-shaped heat dissipation plate (11) is arranged on the outer side of the male insulating sleeve (3).

5. The energy storage connector according to claim 1, characterized in that: Two symmetrical threaded portions (12) are fixedly mounted on the outer side of the female insulating column (2), and the inner walls of the two inner protrusions (5) are both threadedly connected to the threaded portions (12) on the same side.

6. The energy storage connector according to claim 1, characterized in that: The female terminal assembly (7) includes two third connecting insulating columns (71b) integrally formed and arranged at the end of the female insulating column (2), and the two third connecting insulating columns (71b) both penetrate the side wall of the flange (1), and the ends of the two third connecting insulating columns (71b) away from the female insulating column (2) are both installed with a second female terminal (72b), and the interior of the female insulating column (2) is fixedly plugged with two conductive plates (73b), and the two conductive plates (73b) are both electrically connected to the end of the U-shaped elastic conductive sheet (63) on the same side, and the two conductive plates (73b) are both electrically connected to the corresponding second female terminal (72b).

7. The energy storage connector according to claim 1, characterized in that: The male terminal assembly (8) includes two fourth connecting insulating columns (81b) fixedly mounted on the side wall of the male insulating sleeve (3), the fourth connecting insulating columns (81b) and the side wall of the inner protrusion (5) on the same side are fixedly plugged with a second curved conductive column (82b), and the ends of the two fourth connecting insulating columns (81b) away from the male insulating sleeve (3) are fixedly connected to the second male terminal (83b), and the two second male terminal (83b) are electrically connected to the second curved conductive column (82b) on the same side.

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