CN105470674B

CN105470674B - High-power equipment connector

Info

Publication number: CN105470674B
Application number: CN201610016843.XA
Authority: CN
Inventors: 马凯
Original assignee: Shenzhen Qianhaida Yunyun Intelligent Technology Co ltd
Current assignee: Shenzhen Qianhaida Yunyun Intelligent Technology Co ltd
Priority date: 2016-01-11
Filing date: 2016-01-11
Publication date: 2020-10-23
Anticipated expiration: 2036-01-11
Also published as: CN105470674A; WO2017121342A1

Abstract

The invention provides a high-power equipment connector which mainly comprises a female head and a male head, wherein the female head comprises a connector shell, a connector, a plurality of groups of female head terminals and a plurality of female head pins; female head and public head form the cooperation structure of grafting lock, the width of female head terminal and the width looks adaptation that corresponds public head terminal.

Description

High-power equipment connector

Technical Field

The invention relates to the technical field of interfaces or connectors, in particular to a high-power equipment connector.

Background

With the development of intelligent devices, users tend to be more specialized, diversified and intelligent products in terms of functions. Meanwhile, professional functional modules also need to be rapidly lapped with the intelligent platform, so that the expandability of the intelligent equipment is greatly required. However, the conventional portable intelligent device generally adopts a universal connection interface, the universal connection interface can only select one of charging and data transmission at the same time, and the general portable intelligent device adopts a small current which can be borne by a signal terminal, and cannot adapt to large current and signal transmission of high-power equipment or devices.

Disclosure of Invention

In view of the above technical problems, the present invention provides a connector for high power equipment, which is suitable for high current and signal transmission of high power equipment or devices.

In order to solve the above technical problems, the present invention provides a high power device connector, which mainly comprises a female connector and a male connector. The female head comprises: a connector housing; a connector disposed within the connector housing; the connector comprises a connector shell, a plurality of groups of female terminals and a plurality of groups of connecting terminals, wherein the plurality of groups of female terminals are connected on the connector shell in a bridging manner, each female terminal comprises a female power supply terminal and a female signal terminal, and the width of each female power supply terminal is greater than that of each female signal terminal; and the female pin is connected to the bottom of the connector shell and protrudes out of the side face of the connector shell, the female pin corresponds to the female terminal one to one, and the width of the female pin is matched with the width of the corresponding female terminal. Public first includes public first casing, be equipped with the public first terminal of multiunit on the public first casing, public first terminal contains public first power supply terminal and public first signal terminal, the one side of public first casing is connected with a plurality of public first pins, public first pin protrusion public first casing side and with public first terminal one-to-one, just the width of public first power supply terminal is greater than the width of public first signal terminal. Female head and public head form the cooperation structure of grafting lock, the width of female head terminal and the width looks adaptation that corresponds public head terminal.

The terminal that the interface that current portable smart machine, for example smart mobile phone, was gone up does not distinguish signal terminal and power terminal, because the quantity of terminal is limited and receive the influence of conventional interface design, generally all adopts general interface. The universal interface has the problems that the same channel is basically shared during charging and data transmission, and the small signal terminals are adopted for current and data transmission, so that only one function of charging and data transmission can be realized at the same time, and when the current transmission is increased, a plurality of signal terminals are occupied, and the temperature rise is fast. The connector of the invention is provided with a female power supply terminal and a male power supply terminal which are specially used for current transmission, and the power supply terminals have larger width, thereby realizing simultaneous charging and data transmission and being suitable for large current and signal transmission of high-power equipment or devices.

In a preferred embodiment of the present invention, the female power terminal and the male power terminal are both widened and thickened terminals. In a further preferred embodiment, the width of the female power supply terminal is 3-8 times of the width of the female signal terminal, and the width of the female power supply terminal is 1-3 times of the thickness of the female signal terminal. The width of public first power supply terminal is 3 ~ 8 times of public first signal terminal width, the thickness of public first power supply terminal is 1 ~ 3 times of public first signal terminal thickness. Of course, in some cases, if a widened power supply terminal is employed if the purpose of large current and signal transmission can be achieved, the thickness of the power supply terminal may not be required, for example, a wide terminal equal to the thickness of the signal terminal is employed as the power supply terminal. In general, the power supply terminal with the widened and thickened part can quickly increase the amount of current passing through the power supply terminal under the condition of a certain number of terminals.

In one embodiment of the present invention, the bottom of the connector housing of the female head is provided with a first positioning structure that ensures positioning accuracy of the connector housing on the first soldering substrate. In a preferred embodiment, the first positioning structures are generally two, and are respectively arranged at two ends of the connector housing. Preferably, the first positioning structure is cylindrical, and the two positioning cylinders are respectively matched with the two positioning holes on the first welding substrate during positioning.

In a preferred embodiment of the present invention, the connector of the female connector is provided with guide grooves for insertion on both end faces. In practice, the guide groove can be only arranged on the end face of one end of the connector, and the two ends are arranged, so that particularly under the fully symmetrical structure, the male end and the female end do not need to be distinguished when being installed, the installation effect can be improved, and the cost is reduced.

In a preferred embodiment, the plurality of female terminals are arranged in full symmetry along the length of the connector. The full-symmetrical arrangement structure is beneficial to installation, installation error rate reduction and installation efficiency improvement.

In one embodiment of the invention, the female power terminals are connected in the middle of the connector housing and the female signal terminals are located on either side of the female power terminals.

In another embodiment of the present invention, the female signal terminals are connected to the middle of the connector housing, and the female power terminals are distributed near both ends of the connector housing and located on both sides of the female signal terminals.

In an embodiment of the invention, a convex block is arranged on the inner side of one end of the male shell, and a second positioning structure is connected to one surface of the other end of the male shell, which is close to the male pin. In a preferred embodiment, the number of the second positioning structures is two, and the two second positioning structures are respectively connected to two ends of one surface of the male shell, which is close to the male pin. Preferably, the second positioning structure is cylindrical, and the two positioning cylinders are respectively matched with the two positioning holes on the second welding substrate during positioning.

In one embodiment of the invention, the male power terminal is connected to the middle of the male housing, and the male signal terminals are distributed on two sides of the male power terminal.

In another embodiment of the present invention, the male signal terminal is disposed in the middle of the male housing, and the male power terminals are disposed on two sides of the male signal terminal.

In addition, the invention also discloses portable equipment, and the connector is arranged on the back surface of the portable equipment. Because the existing portable intelligent equipment is arranged at the position of the interface, the interface is generally arranged on the bottom surface or the side surface, and when the portable intelligent equipment is connected on the bottom surface or the side surface through the data line, only a limited space can be provided, so that the connection of the expansion equipment is greatly limited. The connector is arranged on the back of the portable equipment, and the back arrangement mode not only solves the problem of space limitation, but also enables the connection of the expansion equipment and the original equipment to have stronger integral sense, to be more convenient to carry, to be not easily influenced by collision and the like, and to have better connection reliability.

Drawings

Specific embodiments of the present invention will now be described with reference to the accompanying drawings, in which:

FIG. 1 shows a schematic view of one configuration of a female connector of the present invention;

FIG. 2 is a schematic view of a male connector of the present invention;

FIG. 3 is a schematic view showing a male and female snap-fit connection of the connector of the present invention;

FIG. 4 shows an exploded view of the connector of the present invention;

fig. 5 shows a schematic structural diagram of the connector of the present invention applied to a portable device.

Detailed Description

In order to make the technical solutions and advantages of the present invention more apparent, the following further detailed description of exemplary embodiments of the present invention is provided with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and are not exhaustive of all embodiments. And the embodiments and features of the embodiments in the present description may be combined with each other without conflict.

Fig. 1 shows a specific embodiment of a female connector 1 according to the invention. In this embodiment, the female 1 mainly includes a connector housing 11, a connector 19, a female signal terminal 13, a female power supply terminal 12, and a female pin. The female signal terminals 13 and the female power terminals 12 are disposed in parallel on two long sides of the connector housing 11 and the connector 19, and the female power terminals 12 are widened or thickened with respect to the female signal terminals 13, and there are a plurality of female power terminals 12, so that the connector can adapt to the transmission of large current, and does not need to occupy the female signal terminals 13 for current transmission.

In one embodiment of the present invention, a plurality of female pins are disposed in parallel at the bottom of the housing 11, and one end of each female pin protrudes out of the side of the connector housing 11 and corresponds to one of the female signal terminals 13 or the female power terminals 12, i.e., one female pin corresponds to each female signal terminal 13 or each female power terminal 12. For the functional adaptation, the size of the female pin is adapted to the size of the corresponding female terminal, and a widened or thickened pin structure is also adopted for the female pin of the female power terminal 12 using a widened or thickened female terminal. In a preferred embodiment, the axis of the female pin is disposed perpendicular to the axis of the connector 19.

In one embodiment of the present invention, both the connector 19 and the connector housing 11 may be integrally molded by injection molding. The connector 19 is connected in the connector housing 11 and forms with the connector housing 11 an annular plug chamber which accommodates the adapted male part 2.

In a preferred embodiment, the connector 19 is provided with a plurality of metal elastic sheets 14, the metal elastic sheet 14 near the middle corresponds to the corresponding female signal terminal 13, and the metal elastic sheets 14 near the two ends correspond to the female power terminal 12. The main effect of the metal elastic sheet 14 is that when the female head 1 is matched with the male head 2 in an inserting manner, the metal elastic sheet 14 is matched with the male head in an inserting manner, and the metal elastic sheet has high reliability. In addition, the arrangement of the metal elastic sheet 14 can improve the plugging and matching times of the female head 1 and the male head 2, so that the plugging and matching service life of the connector can reach 300 times or more.

In a preferred embodiment, as shown in fig. 1, the connector 19 is provided with guide grooves 17 at both ends, and the guide grooves 17 serve as a guide and a fixing position when the female connector 1 is engaged with the male connector 2.

In addition, in one embodiment, as shown in fig. 1 or fig. 4, the bottom of the housing 11 is further provided with a first positioning structure 18, and the first positioning structure 18 may be a positioning cylinder. The positioning cylinder precisely positions where the female head 1 is attached to the first bonding substrate 3.

Fig. 2 shows a specific embodiment of the male part 2 of the connector according to the invention. In this embodiment, the male 2 mainly includes a male housing 21, a male terminal, and a male pin 25. The male housing 21 is provided with a plurality of sets of male terminals, each male terminal includes a plurality of sets of male power terminals 22 and male signal terminals 23, wherein the width of the male power terminal 22 is obviously equal to that of the male signal terminal 23, and the design is mainly for adapting to the transmission requirement of high-power current and is also adapted to the corresponding female power terminal 12.

In addition, the lower surface of the male housing 21 is connected with a plurality of male pins 25, and the male pins 25 protrude from the side surface of the male housing 21 and correspond to the male terminals one by one. Since the male terminals are disposed in parallel on the two long sides of the male housing 21, the extended end of the male pin 25 protrudes out of the outer side of the corresponding long side. Accordingly, the male pin 25 corresponding to the male power terminal 22 is also significantly wider to meet the delivery requirements of high flow rates.

In one embodiment, as shown in FIG. 3, the male connector 2 is shown in a bayonet-type engagement with the female connector 1. In which the male housing 21 of the male 2 is plugged into the annular plugging chamber between the connector housing 11 and the connector 19. The male pin 25 is pressed on the male pin 25 of the female head 1, and the male power terminal 22 and the male signal terminal 23 located on the same side are respectively connected with the female power terminal 12 and the female signal terminal 13 of the corresponding female head 1, so as to form a transmission channel during power-on or signal transmission.

In a preferred embodiment, the connector of the present invention may employ widened and thickened terminals as power terminals (the power terminals herein correspond to the female power terminal 12 and the male power terminal 22 of the present invention). The width of the power supply terminal is preferably 3 to 8 times the width of the signal terminal. For example, the width of the signal terminal 13 is 0.17mm, and the width of the power supply terminal is 5 times or more of the width of the signal terminal, and for example, a terminal having a width of 1mm is used as the power supply terminal. Through experimental tests, the maximum passing current of a single power supply terminal is 4A, and the maximum passing current of a single signal terminal is 0.5A. Since generally, the power terminals are all provided with a plurality of sets, for example, 6 sets or 8 sets, etc. in parallel, the plurality of sets of terminals together can realize transmission of large current.

In one embodiment, when the widened and thickened terminals are used as the power terminals, if the connector is configured by 6 groups of special widened and thickened power terminals, it is preferable that a single group of power terminals can support a maximum current of 4A, and 6 groups of power terminals can support a current transmission of 24A, so that a large current and a signal of a high-power device can be transmitted simultaneously. By widening and thickening the power supply terminals, the number of the terminals is less, and excessive temperature rise caused by high-power current transmission can be avoided. Through testing, even if 6 groups of power terminals work simultaneously, the temperature rise of the connector can be ensured within 30 ℃.

In a preferred embodiment, as shown in fig. 2 and 4, a protrusion 24 is provided on an inner side of one end of the male housing 21, and the protrusion 24 is engaged with one of the guiding grooves 17 of the connector 19 when the male housing 2 is engaged with the female housing 1 to guide and fix the relative position. A second positioning structure 26 is connected to a surface (bottom surface in fig. 2, upper surface in fig. 4) of the other end of the male housing 21 near the male pin 25. In a further preferred embodiment, the second positioning structure 26 is two positioning cylinders that precisely position where the male 2 is connected to the second solder substrate 4.

In one embodiment, as shown in fig. 2, the male signal terminals 23 are disposed in the middle of the male housing 21, and the male power terminals 22 are symmetrically disposed on both sides of the male signal terminals 23. In an embodiment not shown, the male power terminal 22 may be disposed in the middle of the male housing 21, and the male signal terminals 23 are distributed on both sides of the male power terminal 22.

In a preferred embodiment, the male housing 21 is made of fireproof plastic, and the plurality of sets of male terminals are connected to the male housing 21 by one-time pressing.

It will be appreciated that, since the female head 1 and the male head 2 are of a mating configuration, if the configuration of the female head 1 is changed, the configuration of the male head 2 should be changed accordingly.

In one embodiment, referring to fig. 4, an exploded view of a connector comprising a female header 1 and a male header 2 is shown. As can be seen from this figure, the connector further includes a first solder substrate 3 and a second solder substrate 4. The male head 2 is matched with the positioning hole on the second welding substrate 4 through the second positioning structure 26 on the male head to form accurate positioning connection, and the female head 1 is matched with the positioning hole on the first welding substrate 3 through the first positioning structure 18 on the bottom surface of the female head to form accurate positioning connection. The figure also shows a simple export module 5, by means of which export module 5a connection at the other end can be realized. For example, in the embodiment shown in fig. 5, the connector of the present invention is disposed on the back of the mobile device 6, and can be switched through the export module 5 to connect to the expansion device in a stacked manner, thereby facilitating reliable connection between modules. Common forms of attachment are: back-connecting the small-sized expansion equipment; when large expansion equipment is embedded, connection is generally required through a special data line and an adapter. Meanwhile, the modes of back connection, embedding and the like can provide a stable fixing mode, the integral sense of connection of the original equipment and the expansion equipment is enhanced, and the original equipment and the expansion equipment are combined into a new device. Note that, in fig. 5, the male tab 2 is located on the back surface of the second solder substrate 4.

In addition, the connector supports simultaneous multifunctional connection, including power supply, USB signals and high-speed data, not only enriches the functions of the expansion equipment and provides multiple functional support for single expansion equipment, but also provides more combination modes for the combination of an original equipment platform and the expansion equipment. In addition, the connector provided by the invention has the advantages that the service life of multiple plugging and unplugging operations is ensured in design, different expansion equipment can be replaced on the same original equipment, and the unification of economy, flexibility and reliability is achieved. Meanwhile, the power supply terminal and the signal terminal are arranged in one connector together, so that the space can be saved, and the connection reliability can be improved.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It is also to be understood that the features of the various embodiments may be combined with each other so long as no structural conflict exists, and the resulting combined features are within the scope of the present invention. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A female header for a connector, comprising:

a connector housing;

a connector disposed within the connector housing;

the connector comprises a connector shell, a plurality of groups of female terminals and a plurality of groups of connecting terminals, wherein the connector shell and the connector shell are connected in a bridging manner, the female terminals comprise female power terminals and female signal terminals, the female signal terminals and the female power terminals are fixed on the two long sides of the connector shell and the connector in parallel, the female signal terminals are connected to the middle part of the connector shell, and the female power terminals are distributed on the two sides of the female signal terminals; the number of the female power supply terminals positioned on each side of the female signal terminals is multiple and mutually independent, and the width of the female power supply terminals is greater than that of the female signal terminals; the plurality of female terminals are arranged in full symmetry along the length direction of the connector;

and

the female pin is connected to the bottom of the connector shell and protrudes out of the side face of the connector shell, the female pins correspond to the female terminals one to one, and the width of each female pin is matched with the width of the corresponding female terminal;

the metal elastic sheets are arranged on the connector, the metal elastic sheets close to the middle correspond to the corresponding female signal terminals, and the metal elastic sheets close to the two ends correspond to the female power supply terminals.

2. The female head according to claim 1, wherein: the width of the female power supply terminal is 3-8 times of the width of the female signal terminal.

3. The female head according to claim 1 or 2, wherein: the width of the female power supply terminal is 1-3 times of the thickness of the female signal terminal.

4. The female head according to claim 1 or 2, wherein: the connector shell is characterized in that a first positioning structure is arranged at the bottom of the connector shell, and guide grooves for insertion are formed in the end faces of the two ends of the connector.

5. The female head according to claim 3, wherein: the connector shell is characterized in that a first positioning structure is arranged at the bottom of the connector shell, and guide grooves for insertion are formed in the end faces of the two ends of the connector.

6. A high-power equipment connector is characterized by comprising the female head and the male head of any one of claims 1-5, wherein the female head and the male head form a matching structure in a plug-in buckling manner, and the width of a female head terminal is matched with that of a corresponding male head terminal;

the male head comprises: the male terminal comprises a male power terminal and a male signal terminal, and the male power terminal and the male signal terminal are arranged on two long sides of the male shell in parallel; the male signal terminal is arranged in the middle of the male shell, and male power terminals are distributed on two sides of the male signal terminal; the male power terminals on one side of the male signal terminal are mutually independent; the one side of public first casing is connected with a plurality of public first pins, public first pin protrusion public first casing side and with public first terminal one-to-one, just the width of public first power supply terminal is greater than the width of public first signal terminal.

7. The connector of claim 6, wherein the width of the male power terminal is 3-8 times the width of the male signal terminal.

8. The connector of claim 6 or 7, wherein the thickness of the male power terminal is 1-3 times the thickness of the male signal terminal.

9. The connector according to claim 6 or 7, wherein a protrusion is disposed on an inner side of one end of the male housing, and a second positioning structure is connected to a surface of the other end of the male housing, which is close to the male pin.

10. The connector of claim 9, wherein the connector and connector housing are made of fire-resistant plastic, and the female power terminals and the female signal terminals are connected to the connector and connector housing by one-time pressing; and/or the male shell is made of fireproof plastic, and the multiple groups of male terminals are connected to the male shell through one-time pressing.

11. The connector of claim 8, wherein a protrusion is disposed on an inner side of one end of the male housing, and a second positioning structure is connected to a surface of the other end of the male housing, the surface being close to the male pin.

12. The connector of claim 11, wherein the connector and connector housing are made of fire-resistant plastic, and the female power terminals and the female signal terminals are connected to the connector and connector housing by one-time pressing; and/or the male shell is made of fireproof plastic, and the multiple groups of male terminals are connected to the male shell through one-time pressing.