Novel harmless ignition electric connector

Abstract

The utility model provides a novel harmless ignition electric connector, and relates to the technical field of connectors. The connector comprises a positive electrode extension sheet. The positive electrode extension sheet is arranged at one end, close to a female seat insulation shell, of a male seat positive electrode metal sheet. One end, close to the female seat insulation shell, of the male seat negative electrode metal sheet is provided with the negative electrode extension sheet; a plurality of groups of signal metal sheets are arranged, and any group of signal metal sheets are arranged as the signal extension sheets; the female seat insulating shell and the male seat insulating shell have a partial plugging state, and when the female seat insulating shell and the male seat insulating shell are partially plugged, the female seat insulating shell and the male seat insulating shell are plugged. A group of positive elastic sheets on the positive electrode end of the female seat is contacted with the positive electrode extension sheet, a group of negative elastic sheets on the negative electrode end of the female seat is contacted with the negative electrode extension sheet, and a group of signal end elastic sheets on the signal end of the female seat is contacted with the signal extension sheet. According to the invention, pre-contact and setting of a harmless ignition area can be realized, the application risk is reduced, and the reliability of the connector is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a novel electric connector with harmless arcing. Background Art

[0002] A connector generally serves as a bridge for electrical connection between two devices. After being connected by the connector, electrical energy or data signals can be transmitted between the two devices. When the male and female connectors are mated, especially in the scenario of hot plugging and unplugging, arcs or / and electric sparks will be generated during initial contact and separation, resulting in burning damage to the metal sheets, mainly concentrated on the head, and causing an increase in contact resistance. The increase in resistance will lead to an increase in temperature rise during current conduction, and in severe cases, it will cause the risk of high-temperature melting in electrical applications, and rapidly reduce the durability and reliability of the power connector.

[0003] Therefore, there is an urgent need for a novel electric connector with harmless arcing that can effectively ensure normal operation and improve the reliability of the connector. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a novel electric connector with harmless arcing, which solves the technical problems in the prior art that arcs or / and electric sparks are generated during initial contact and separation, resulting in the risk of electrical applications and low durability of the connector. The preferred technical solutions provided by the utility model can produce many technical effects, which will be elaborated below.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A novel electric connector with harmless arcing provided by the utility model includes a female seat insulating shell and a male seat insulating shell. A female seat positive terminal, a plurality of female seat signal terminals and a female seat negative terminal are respectively and oppositely installed on the female seat insulating shell. A male seat positive metal sheet, a plurality of signal metal sheets and a male seat negative metal sheet are respectively and oppositely installed on the male seat insulating shell. It further includes:

[0007] A positive electrode extension piece, which is provided at one end of the male seat positive metal sheet close to the female seat insulating shell;

[0008] A negative electrode extension piece, which is provided at one end of the male seat negative metal sheet close to the female seat insulating shell;

[0009] A signal extension piece, there are a plurality of groups of the signal metal sheets, and any group of the signal metal sheets is set as the signal extension piece;

[0010] The female socket insulating housing and the male socket insulating housing include a partial insertion state. When the female socket insulating housing and the male socket insulating housing are partially inserted, a group of positive elastic pieces on the positive terminal of the female socket contact the positive extension piece, a group of negative elastic pieces on the negative terminal of the female socket contact the negative extension piece, and the signal terminal elastic pieces on a group of the signal terminals of the female socket contact the signal extension piece.

[0011] Preferably, the female socket insulating housing and the male socket insulating housing further include a fully inserted state. When the female socket insulating housing and the male socket insulating housing are fully inserted, all the positive elastic pieces on the positive terminal of the female socket contact the positive metal piece of the male socket, all the negative elastic pieces on the negative terminal of the female socket contact the negative metal piece of the male socket, and the signal terminal elastic pieces on all the signal terminals of the female socket contact all the signal metal pieces.

[0012] Preferably, several of the positive elastic pieces include several groups of first positive elastic pieces and a group of second positive elastic pieces, several of the negative elastic pieces include several groups of first negative elastic pieces and a group of second negative elastic pieces, the second positive elastic piece is correspondingly arranged with the positive extension piece, and the second negative elastic piece is correspondingly arranged with the negative extension piece.

[0013] Preferably, the width of the second positive elastic piece is less than the width of the first positive elastic piece, and the width of the second negative elastic piece is less than the width of the first negative elastic piece.

[0014] Preferably, a female socket positive pin is provided at one end of the positive terminal of the female socket away from the positive elastic piece, a female socket negative pin is provided at one end of the negative terminal of the female socket away from the negative elastic piece, a female socket signal pin is provided at one end of the signal terminal of the female socket away from the signal metal piece, and the female socket positive pin, the female socket signal pin and the female socket negative pin are respectively arranged in a U-shaped structure.

[0015] Preferably, one end of the signal extension piece close to the female socket insulating housing extends beyond the other signal metal pieces.

[0016] Preferably, all the pins on the male socket insulating housing are respectively arranged in a serrated shape.

[0017] Preferably, all the pins on the male socket insulating housing include male socket pins. A male socket pin is respectively provided at one end of the positive metal piece, the signal metal piece and the negative metal piece of the male socket away from the female socket insulating housing, and all the male socket pins are arranged in a serrated shape.

[0018] In the technical solution provided by the present utility model, by providing a positive electrode extension piece, a negative electrode extension piece and a signal extension piece on the insulating housing of the male connector, during the insertion process of the insulating housing of the female connector and the insulating housing of the male connector, that is, during partial insertion, the positive electrode end of the female connector first contacts the positive electrode extension piece, the signal end of the female connector first contacts the signal extension piece, and the negative electrode end of the female connector first contacts the negative electrode extension piece, achieving the purpose of pre-contact and generating an arc in advance. With this setting, the metal piece and the positive or negative electrode end will not be damaged during normal operation; the above contact area is a harmless sparking area, and the arc / spark occurs when the insulating housing of the female connector and the insulating housing of the male connector are partially inserted and about to separate; the above contact areas are all much smaller than the contact area during normal operation. With this setting, on the premise of ensuring no loss of the physical size of the connector and meeting the requirement of miniaturization, the overall reasonable current-carrying capacity is ensured. Overall, the present application can achieve pre-contact and set a harmless sparking area, reduce application risks, and improve the reliability of the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 is a schematic diagram of the insertion of the insulating housing of the female connector and the insulating housing of the male connector of the present utility model;

[0021] Figure 2 is a schematic diagram of the partial insertion state of the connector of the present utility model;

[0022] Figure 3 is a schematic diagram of the fully inserted state of the connector of the present utility model;

[0023] Figure 4 is Figure 3 a partial enlarged schematic diagram of A in

[0024] In the figure: 1. insulating housing of the female connector; 2. insulating housing of the male connector; 3. positive electrode pin of the female connector; 4. signal pin of the female connector; 5. negative electrode pin of the female connector; 6. positive electrode end of the female connector; 7. first positive electrode elastic piece; 8. second positive electrode elastic piece; 9. positive electrode metal piece of the male connector; 10. positive electrode extension piece; 11. signal end of the female connector; 12. negative electrode end of the female connector; 13. first negative electrode elastic piece; 14. negative electrode extension piece; 15. second negative electrode elastic piece; 16. negative electrode metal piece of the male connector; 17. signal extension piece; 18. signal metal piece; 19. pin of the male connector; 20. signal end elastic piece. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] To make the objectives, technical solutions and advantages of the present utility model clearer, the technical solutions of the present utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of them. All other implementation manners obtained by those of ordinary skill in the art based on the embodiments in the present utility model without creative efforts belong to the scope protected by the present utility model.

[0026] Referring to Figures 1-4 , a specific embodiment of the present utility model provides a harmless ignition new type electrical connector, including a female seat insulating shell 1 and a male seat insulating shell 2. A female seat positive terminal 6, a plurality of female seat signal terminals 11 and a female seat negative terminal 12 are respectively and oppositely installed on the female seat insulating shell 1. A male seat positive metal sheet 9, a plurality of signal metal sheets 18 and a male seat negative metal sheet 16 are respectively and oppositely installed on the male seat insulating shell 2. It further includes:

[0027] A positive electrode extension piece 10, and a positive electrode extension piece 10 is provided at one end of the male seat positive metal sheet 9 close to the female seat insulating shell 1;

[0028] A negative electrode extension piece 14, and a negative electrode extension piece 14 is provided at one end of the male seat negative metal sheet 16 close to the female seat insulating shell 1;

[0029] A signal extension piece 17, there are a plurality of groups of signal metal sheets 18, and any group of signal metal sheets 18 is set as a signal extension piece 17;

[0030] The female seat insulating shell 1 and the male seat insulating shell 2 include a partial insertion state, that is, an initial contact state. When the female seat insulating shell 1 and the male seat insulating shell 2 are partially inserted, a group of positive electrode elastic pieces on the female seat positive terminal 6 contacts the positive electrode extension piece 10, a group of negative electrode elastic pieces on the female seat negative terminal 12 contacts the negative electrode extension piece 14, and a signal terminal elastic piece 20 on a group of female seat signal terminals 11 contacts the signal extension piece 17.

[0031] When the male and female connectors are mated, especially in the scenario of hot plugging and unplugging, electric arcs or / and electric sparks will be generated during initial contact and separation, resulting in burning damage to the metal sheets, mainly concentrated on the head, and causing an increase in contact resistance. The increase in resistance will lead to an increase in temperature rise during current conduction, and in severe cases, it will cause the risk of high-temperature melting in electrical applications, and quickly reduce the durability and reliability of the power connector. In this application, by providing a positive extension piece 10, a negative extension piece 14, and a signal extension piece 17 on the male housing insulator 2, when the female housing insulator 1 is inserted into the male housing insulator 2, that is, during partial insertion, the positive terminal 6 of the female housing first contacts the positive extension piece 10, the signal terminal 11 of the female housing first contacts the signal extension piece 17, and the negative terminal 12 of the female housing first contacts the negative extension piece 14, achieving the purpose of pre-contact and generating an electric arc in advance. With this setting, the metal sheets and the positive or negative terminals will not be damaged during normal operation; the above contact area is a harmless arcing area, and the electric arcs / sparks occur when the female housing insulator 1 and the male housing insulator 2 are partially inserted and about to separate; the above contact areas are all much smaller than the contact area during normal operation. With this setting, while meeting the requirement of the connector for product miniaturization, the overall reasonable current-carrying capacity is ensured. Overall, this application can achieve pre-contact and set a harmless arcing area, reduce application risks, and improve the reliability of the connector.

[0032] Among them, the end of the signal extension piece 17 close to the female housing insulator 1 extends beyond other signal metal sheets 18, and the signal terminal elastic pieces 20 on a group of female housing signal terminals 11 contact the signal extension piece 17. That is, through the length difference between several signal metal sheets 18 and the signal extension piece 17, a time difference for signal transmission can be generated, which is more convenient for the flexible setting of the detection function in electrical applications.

[0033] In a further optimized solution, the female housing insulator 1 and the male housing insulator 2 also include a fully inserted state. Corresponding to the above normal operation, when the female housing insulator 1 and the male housing insulator 2 are fully inserted, all the positive elastic pieces on the positive terminal 6 of the female housing contact the male housing positive metal sheet 9, all the negative elastic pieces on the negative terminal 12 of the female housing contact the male housing negative metal sheet 16, and the signal terminal elastic pieces 20 on all the female housing signal terminals 11 contact all the signal metal sheets 18.

[0034] After the female housing insulator 1 and the male housing insulator 2 are fully inserted, for normal operation, the provision of the positive extension piece 10 and the negative extension piece 14 will not affect the effective contact in the working area and will not affect the normal current shunting function of the pins in the harmless arcing area.

[0035] For a further optimized solution, a plurality of positive electrode elastic sheets include a plurality of groups of first positive electrode elastic sheets 7 and a group of second positive electrode elastic sheets 8, and a plurality of negative electrode elastic sheets include a plurality of groups of first negative electrode elastic sheets 13 and a group of second negative electrode elastic sheets 15. The second positive electrode elastic sheet 8 is correspondingly arranged with the positive electrode extension piece 10, and the second negative electrode elastic sheet 15 is correspondingly arranged with the negative electrode extension piece 14.

[0036] When the female socket insulating shell 1 and the male socket insulating shell 2 are in a partially inserted state, the second positive electrode elastic sheet 8 first contacts the positive electrode extension piece 10, and the second negative electrode elastic sheet 15 contacts the negative electrode extension piece 14 to form a harmless arcing area. As the female socket insulating shell 1 and the male socket insulating shell 2 are fully inserted, a plurality of groups of first positive electrode elastic sheets 7 and a group of second positive electrode elastic sheets 8 simultaneously contact the male socket positive electrode metal sheet 9, and a plurality of groups of first negative electrode elastic sheets 13 and a group of second negative electrode elastic sheets 15 simultaneously contact the male socket negative electrode metal sheet 16.

[0037] For a further optimized solution, the width of the second positive electrode elastic sheet 8 is smaller than the width of the first positive electrode elastic sheet 7, and the width of the second negative electrode elastic sheet 15 is smaller than the width of the first negative electrode elastic sheet 13.

[0038] The relatively small widths of the second positive electrode elastic sheet 8 and the second negative electrode elastic sheet 15 mainly serve to concentrate the generated arc in the pre-contact stage. Even if the second positive electrode elastic sheet 8 and the second negative electrode elastic sheet 15 are damaged due to arcing, it will not affect the contact area (effective contact) between all the first positive electrode elastic sheets 7 and the male socket positive electrode metal sheet 9, nor the contact area (effective contact) between all the first negative electrode elastic sheets 13 and the male socket negative electrode metal sheet 16, thus not affecting the normal function.

[0039] For a further optimized solution, a female socket positive electrode pin 3 is provided at one end of the female socket positive electrode end 6 away from the positive electrode elastic sheet, a female socket negative electrode pin 5 is provided at one end of the female socket negative electrode end 12 away from the negative electrode elastic sheet, a female socket signal pin 4 is provided at one end of the female socket signal end 11 away from the signal metal sheet 18, and the female socket positive electrode pin 3, the female socket signal pin 4, and the female socket negative electrode pin 5 are respectively arranged in a U-shaped structure.

[0040] The pins with a U-shaped structure achieve multi-point support and fixation with the insulating shell, which can meet the requirement of pursuing product miniaturization, and effectively ensure the flatness of the pins and greatly reduce the quality control cost during the production process of the connector and the SMT chip mounting process.

[0041] For a further optimized solution, all the pins on the male socket insulating shell 2 are respectively arranged in a serrated shape.

[0042] For a further optimized solution, all the pins on the male socket insulating shell 2 include male socket pins 19. The male socket positive electrode metal sheet 9, the signal metal sheet 18, and the male socket negative electrode metal sheet 16 are respectively provided with male socket pins 19 at one end away from the female socket insulating shell 1, and all the male socket pins 19 are arranged in a serrated shape.

[0043] The serrated male seat pin 19 ensures the holding force (stability) after being inserted into the PCB board. At the same time, it also increases the amount of tin accumulation, making soldering easier and ensuring an effective and sufficient contact area with the PCB copper plating.

[0044] It should be noted that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. in this article are based on the orientation or positional relationships shown in the drawings. It is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to this application. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0045] In the description of this article, it should also be noted that unless otherwise clearly specified and limited, the terms "install", "connect", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0046] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claimed rights.

Claims

1. A new type of harmless ignition electrical connector, comprising a female insulating shell (1) and a male insulating shell (2), wherein the female insulating shell (1) is respectively and relatively mounted with a female positive terminal (6), a plurality of female signal terminals (11) and a female negative terminal (12), and the male insulating shell (2) is respectively and relatively mounted with a male positive metal sheet (9), a plurality of signal metal sheets (18) and a male negative metal sheet (16), characterized in that: Also includes: A positive electrode extension piece (10), the positive electrode extension piece (10) being arranged at one end of the male positive electrode metal sheet (9) close to the female insulating shell (1); A negative electrode extension piece (14), wherein the negative electrode extension piece (14) is provided at one end of the male negative electrode metal sheet (16) close to the female insulating shell (1); A signal extension sheet (17), wherein the signal metal sheets (18) are provided in a plurality of groups, and any group of the signal metal sheets (18) is provided as the signal extension sheet (17); The female socket insulating shell (1) and the male socket insulating shell (2) include a partially plugged-in state. When the female socket insulating shell (1) and the male socket insulating shell (2) are partially plugged-in, a group of positive pole elastic sheets on the female socket positive terminal (6) are in contact with the positive pole extension sheet (10), a group of negative pole elastic sheets on the female socket negative terminal (12) are in contact with the negative pole extension sheet (14), and a group of signal terminal elastic sheets (20) on the female socket signal terminal (11) are in contact with the signal extension sheet (17).

2. The novel electrical connector for harmless ignition according to claim 1, characterized in that: The female socket insulating shell (1) and the male socket insulating shell (2) also include a fully plugged-in state. When the female socket insulating shell (1) and the male socket insulating shell (2) are fully plugged-in, all the positive elastic sheets on the female socket positive terminal (6) are in contact with the male socket positive metal sheet (9), all the negative elastic sheets on the female socket negative terminal (12) are in contact with the male socket negative metal sheet (16), and all the signal terminal elastic sheets (20) on the female socket signal terminals (11) are in contact with all the signal metal sheets (18).

3. The novel electrical connector for harmless ignition according to claim 2, characterized in that: The plurality of positive electrode elastic sheets include a plurality of groups of first positive electrode elastic sheets (7) and a group of second positive electrode elastic sheets (8); the plurality of negative electrode elastic sheets include a plurality of groups of first negative electrode elastic sheets (13) and a group of second negative electrode elastic sheets (15); the second positive electrode elastic sheets (8) are arranged correspondingly to the positive electrode extension sheets (10); and the second negative electrode elastic sheets (15) are arranged correspondingly to the negative electrode extension sheets (14).

4. The novel electrical connector for harmless ignition according to claim 3 is characterized in that: The width of the second positive electrode elastic sheet (8) is smaller than the width of the first positive electrode elastic sheet (7), and the width of the second negative electrode elastic sheet (15) is smaller than the width of the first negative electrode elastic sheet (13).

5. The novel electrical connector for harmless ignition according to claim 1, characterized in that: A female socket positive pin (3) is provided at one end of the female socket positive terminal (6) away from the positive elastic sheet, a female socket negative pin (5) is provided at one end of the female socket negative terminal (12) away from the negative elastic sheet, and a female socket signal pin (4) is provided at one end of the female socket signal terminal (11) away from the signal metal sheet (18), and the female socket positive pin (3), the female socket signal pin (4) and the female socket negative pin (5) are respectively arranged in a U-shaped structure.

6. The novel electrical connector for harmless ignition according to claim 1, characterized in that: One end of the signal extension sheet (17) close to the female socket insulating shell (1) extends beyond the other signal metal sheets (18).

7. The novel electrical connector for harmless ignition according to claim 1, characterized in that: All the pins on the male socket insulating shell (2) are respectively arranged in a sawtooth shape.

8. The novel electrical connector for harmless ignition according to claim 7, characterized in that: All the pins on the male socket insulating shell (2) include male socket pins (19), and the male socket positive metal sheet (9), the signal metal sheet (18), and the male socket negative metal sheet (16) are respectively provided with male socket pins (19) at one end away from the female socket insulating shell (1), and all the male socket pins (19) are arranged in a serrated shape.

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