Energy storage connector terminal

Abstract

The utility model belongs to the technical field of connectors, and particularly relates to an energy storage connector terminal, which comprises a connector terminal body, the connector terminal body is integrally formed through die casting and is made of pure copper, one end of the connector terminal body is a wiring end, the other end of the connector terminal body is a female plug end, a die casting part is arranged between the wiring end and the female plug end, and the female plug end is a male plug end. The end, close to the die-casting part, of the interior of the wiring end is a conical cavity, a slope is arranged between the bottom end of the die-casting part and the bottom end of the wiring end, the bottommost ends of the female plug end and the die-casting part are lower than the lowest end of the wiring end, a plurality of protruding blocks are fixedly arranged on the inner wall of the wiring end in a staggered mode, and a plurality of sets of grooves are formed in the inner wall of the female plug end in an annular array at equal intervals. According to the connector terminal body adopting the die-casting integrated forming process, the production cycle is greatly shortened, the resistance is reduced, the electric energy transmission loss is effectively reduced, the overall performance of an energy storage system is improved, efficient utilization of energy is guaranteed, and the structural connection is reliable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of connector, specifically a kind of energy storage connector terminal. BACKGROUND

[0002] Energy storage connector is the device for connecting battery module, battery cluster, energy storage converter and other electrical equipment in energy storage system, applied to electrochemical energy storage system, renewable energy storage matching and industrial energy storage and emergency power supply system and other fields.

[0003] The existing energy storage connector is mainly composed of the following parts: contact, insulator, shell, and its working principle is as follows: the working principle of energy storage connector is mainly based on the conduction principle in electricity, when two devices to be connected are connected through energy storage connector, the contact of the connector is in close contact, and the conductive part of one device is conducted to the conductive part of the other device through the contact.

[0004] The existing energy storage connector has the following disadvantages: the existing energy storage connector is manufactured by adopting split manufacturing, riveting and soldering treatment, which is complicated in process, long in production cycle, high in labor and raw material cost, high in waste rate, high in product price and lack of market competitiveness; And the connection structure tolerance accumulates, the electronic conduction path is not good, the resistance is large, the electric energy loss is large, the performance of energy storage system is affected, and the connection reliability is low, the external wire harness is only plugged and unplugged, lacks stable design, is easy to loosen under external force interference, causes unstable current and frequent power failure, causes heating, sparking and other faults, greatly increases maintenance cost and downtime, and cannot meet the demand in large energy storage power station and other scenes with high reliability requirement; Therefore, a kind of energy storage connector terminal is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the shortcomings of the existing energy storage connector, a kind of energy storage connector terminal is proposed.

[0006] The utility model solves the technical scheme that the utility model discloses a kind of energy storage connector terminal, including connector terminal body, the connector terminal body is integrally formed by die casting, one end of the connector terminal body is wiring end, the other end is female plug end, and the die casting part is between the wiring end and female plug end.

[0007] Preferably, the inside of the wiring end is tapered chamber close to one end of the die casting part.

[0008] Preferably, a slope is provided between the bottom end of the die casting part and the bottom end of the wiring end, and the bottom end of the die casting part and the bottom end of the wiring end are lower than the lowest end of the wiring end.

[0009] Preferably, a bevel is formed at the inlet of both the wiring end and the female plug end.

[0010] Preferably, a plurality of protrusions are fixedly arranged on the inner wall of the terminal in an interlaced manner.

[0011] Preferably, the protrusions are arranged in a trapezoidal shape.

[0012] Preferably, a plurality of grooves are equidistantly arranged on the inner wall of the female terminal in a ring array, and a T-shaped conductive reed is fixedly arranged in each groove.

[0013] Preferably, one side of the T-shaped conductive reed protrudes from the inner wall of the female terminal.

[0014] Preferably, the connector terminal body is made of pure copper.

[0015] The utility model discloses the beneficial effect:

[0016] 1, die casting integrated structure: production efficiency is promoted greatly, and the cumbersome procedure of abandoning traditional first body manufacturing female terminal and connector terminal, then riveting, soldering treatment is discarded, and pure copper material is formed in the mould under high temperature and high pressure once, and production cycle is greatly shortened, and labor cost and raw material consumption are reduced, and the rejection rate caused by manual operation error is reduced, and the product is more competitive in price, and the customer is provided with high cost performance selection, and the electric energy transmission loss is effectively reduced, and the overall performance of the energy storage system is improved, and the efficient use of energy is guaranteed.

[0017] 2, reliable structure connection: the trapezoidal protrusion greatly increases the friction, effectively resists system vibration, daily pulling and other external force influence, ensures that the current input is stable and reliable, reduces the power failure and fault risk caused by loose connection, improves the running stability of the energy storage system, and the T-shaped conductive reed tightly holds the outer wall of the male plug, and the reaction force and the male plug are tightly attached, and stable electrical connection is maintained all the time, and the smooth flow of current is guaranteed, and the energy loss and fault risk caused by poor contact are greatly reduced, especially in large energy storage power stations and industrial uninterruptible power supply systems with high requirements, the energy storage system can be reliably operated, the downtime maintenance time is reduced, and the system operation efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings described herein are used to provide further understanding of the utility model and constitute a part of the application, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:

[0019] Figure 1 It is the structure of the utility model as a whole Sectional view;

[0020] Legend:

[0021] 1, connector terminal body; 2, terminal; 3, female plug end; 4, die-casting part; 5, tapered chamber; 6, slope; 7, bevel; 8, bump; 9, groove; 10, T-shaped conductive reed. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Specific embodiments are given below.

[0024] Please refer to Figure 1The utility model discloses a kind of energy storage connector terminals, including connector terminal body 1, the connector terminal body 1 material is pure copper, the connector terminal body 1 is integrally formed by die casting, one end of the connector terminal body 1 is wiring end 2, the other end is female plug end 3, it is die casting part 4 between wiring end 2 and female plug end 3, the inside of wiring end 2 is tapered chamber 5 close to one end of die casting part 4, a plurality of bosses 8 are fixedly arranged on the inner wall of wiring end 2, the boss 8 is set to trapezoidal;When working, in production link, connector terminal body 1 is prepared using die casting integrated molding process, pure copper material is integrally formed in mould under high temperature and high pressure for one time, compared with the complex process that traditional first respectively manufacturing female plug end 3 and connector terminal, then through riveting connection, soldering treatment gap, integrated die casting avoids the tolerance accumulation problem when multiple components are combined, ensure the high accuracy and integrity of structure, from electrical point of view, free electron in pure copper can flow along regular and continuous metal lattice structure under the action of electric field, build up low resistance conduction path from wiring end 2 to female plug end 3, in actual use scene, when needing to connect external wire harness, operator first peels off the shell of wire harness one end, accurately exposes the wire part of specified length, then it is inserted into the inside of wiring end 2, the tapered chamber 5 designed close to one end of die casting part 4 of wiring end 2 plays a guiding role, its shape is similar to a precise funnel, can effectively reduce the difficulty of wire insertion, so that wire can smoothly penetrate deeply, then by means of special external extrusion equipment (such as wire clamp etc.), moderate external force is applied to wiring end 2, wiring end 2 is deformed uniformly according to the plasticity of material after stress, tightly wraps wire, the trapezoidal boss 8 fixedly arranged on the inner wall of wiring end 2 is like closely arranged micro anchor hook, they embed into the texture of wire deeply by virtue of unique trapezoidal structure, greatly increase the friction between wire, ensure that wiring end 2 and wire part form firm, stable mechanical connection from microcosmic level, lay a solid foundation for stable input of electric current;Die casting integrated molding process connector terminal body 1 simplifies cumbersome production process, discards error-prone riveting, soldering process, not only improves production efficiency, but also reduces scrap rate caused by manual operation error, to reduce manufacturing cost, on the other hand, reducing connection point means reducing resistance, improving conduction efficiency.

[0025] Further, a slope 6 is arranged between the bottom end of the die-casting part 4 and the bottom end of the terminal end 2, the lowest end of the female plug end 3 is lower than the lowest end of the terminal end 2; during work, the slope 6 makes the female plug end 3 and the die-casting part 4 have a difference with the terminal end 2, the lowest points are on different horizontal lines, in order to make the connector terminal body 1 perfectly match the external shell in appearance, in the actual assembly process, the external shell usually has a specific internal structure and space layout, the terminal design with high and low staggered can be ingeniously embedded in it, fully utilizing the internal space of the shell, avoiding the difficulty in assembly caused by structural conflict.

[0026] Further, a slope 6 is arranged between the bottom end of the die-casting part 4 and the bottom end of the terminal end 2, the lowest end of the female plug end 3 is lower than the lowest end of the terminal end 2; during work, the slope 6 makes the female plug end 3 and the die-casting part 4 have a difference with the terminal end 2, the lowest points are on different horizontal lines, in order to make the connector terminal body 1 perfectly match the external shell in appearance, in the actual assembly process, the external shell usually has a specific internal structure and space layout, the terminal design with high and low staggered can be ingeniously embedded in it, fully utilizing the internal space of the shell, avoiding the difficulty in assembly caused by structural conflict.

[0027] Further, a slope 6 is arranged between the bottom end of the die-casting part 4 and the bottom end of the terminal end 2, the lowest end of the female plug end 3 is lower than the lowest end of the terminal end 2; during work, the slope 6 makes the female plug end 3 and the die-casting part 4 have a difference with the terminal end 2, the lowest points are on different horizontal lines, in order to make the connector terminal body 1 perfectly match the external shell in appearance, in the actual assembly process, the external shell usually has a specific internal structure and space layout, the terminal design with high and low staggered can be ingeniously embedded in it, fully utilizing the internal space of the shell, avoiding the difficulty in assembly caused by structural conflict.

[0028] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. An energy storage connector terminal, characterized in that: It includes a connector terminal body (1), which is integrally formed by die casting. One end of the connector terminal body (1) is a wiring terminal (2), and the other end is a female plug (3). The die-cast part (4) is located between the wiring terminal (2) and the female plug (3).

2. The energy storage connector terminal according to claim 1, characterized in that: The interior of the terminal (2) near the die-casting part (4) is a conical cavity (5).

3. The energy storage connector terminal according to claim 1, characterized in that: A ramp (6) is provided between the bottom end of the die-cast part (4) and the bottom end of the terminal (2), and the bottom end of the female plug (3) and the die-cast part (4) is lower than the lowest end of the terminal (2).

4. The energy storage connector terminal according to claim 1, characterized in that: Both the terminal (2) and the female plug (3) have bevels (7) at their entrances.

5. The energy storage connector terminal according to claim 1, characterized in that: Several protrusions (8) are fixedly and alternately arranged on the inner wall of the terminal (2).

6. The energy storage connector terminal according to claim 5, characterized in that: The protrusion (8) is set in a trapezoidal shape.

7. The energy storage connector terminal according to claim 1, characterized in that: The inner wall of the female plug (3) is provided with an array of grooves (9) arranged in a ring array at equal intervals, and a T-shaped conductive spring (10) is fixedly arranged in the groove (9).

8. The energy storage connector terminal according to claim 7, characterized in that: One side of the T-shaped conductive spring (10) protrudes from the inner wall of the female plug (3).

9. The energy storage connector terminal according to claim 8, characterized in that: The connector terminal body (1) is made of pure copper.

Images