CN113809576A

CN113809576A - Connector socket with shielding function of wireless cable and vehicle-mounted charger

Info

Publication number: CN113809576A
Application number: CN202111154751.5A
Authority: CN
Inventors: 冯颖盈; 徐金柱; 罗耀文; 王虎
Original assignee: Shenzhen Vmax Power Co Ltd
Current assignee: Shenzhen Vmax Power Co Ltd; Shenzhen VMAX New Energy Co Ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2021-12-17

Abstract

The invention discloses a connector socket with a shielding function of a wireless cable and a vehicle-mounted charger, wherein the connector socket with the shielding function of the wireless cable comprises a head part, a flange plate and a tail part, the head part is exposed outside a shell, and the center of the head part is provided with a plurality of plug pins which can be inserted into external plugs; the flange plate can be fixedly connected with the shell; the tail part is provided with a plurality of welding feet which can be welded with a circuit board in the shell; the pins and the welding feet are electrically connected through copper bars and are arranged at 90 degrees; a barrel-shaped shielding cover is surrounded in the middle of the head part, and the shielding cover is connected with the shell and is connected with a shielding piece of the plug when the plug is inserted; the novel shielding structure has the advantages of reliable structure, high shielding efficiency, low production cost, high production efficiency and the like, is particularly suitable for the use requirement of new energy automobiles on the electric connector, and has high use value.

Description

Connector socket with shielding function of wireless cable and vehicle-mounted charger

Technical Field

The invention relates to the field of automobile charging technology and voltage conversion, in particular to a vehicle-mounted charger OBC, a voltage converter DCDC and a high-voltage shielding electric connector of a related integrated product and the vehicle-mounted charger.

Background

With the requirements of energy conservation and emission reduction and air pollution control, new energy automobiles are gradually commercialized in the market, and electric automobiles are more the main force of the new energy automobiles. The vehicle-mounted charger of the electric automobile is an important component of the electric automobile. The circuit board of the existing vehicle-mounted charger and the casing of the charger are manufactured respectively, an external electric socket of the charger is fixed on the casing, and the circuit board is fixed in the inner cavity of the casing and is connected with the electric socket through a cable. The existing cable is connected with the circuit board through the plug, so that one more contact point is provided, more cables are provided, the number of elements is increased, the cost and the hidden trouble are increased, the manual assembly efficiency is low, and the automatic production is not facilitated.

Along with the excitation of national policies and the maturity of related technologies of new energy automobiles, the industry of new energy automobiles develops into express lanes, part of automobile models of various main new energy manufacturers are produced in large batch, and a host factory puts new requirements on various accessory manufacturers, such as cost reduction, mass supply, quality guarantee capability improvement and the like; in response, all vehicle-mounted high-voltage electric equipment manufacturers successively invest in developing brand-new product series capable of being automatically produced and manufacturing automatic production lines of products by repelling materials; automated production places new demands on high voltage electrical connectors used therein.

The existing high-voltage shielding electric connector socket, in particular to a high-voltage shielding electric connector socket for a new energy automobile, generally comprises a plastic shell, a plastic mounting plate, a contact element, a sealing element, a metal shielding cover, tail accessories and other parts; when an existing high-voltage shielding electric connector socket, especially a high-voltage low-current electric connector socket is communicated with a vehicle-mounted electric device circuit, the conventional implementation means is cable switching: one end of the cable is in compression joint with a contact in the connector, the other end of the cable is in compression joint with a wiring terminal, the wiring terminal is lapped on a copper bar of the electric equipment, and then the wiring terminal is locked by a bolt for regulation, so that the circuit communication between the high-voltage connector and the vehicle-mounted electric equipment is realized; in the circuit connection mode of the cable pressing line switching, the cable is flexible and cannot be shaped and pre-positioned, the wiring terminal and the copper bar in the equipment need to be manually positioned, manpower is wasted, the polarity is wrongly connected, and the risk of equipment ablation is caused; meanwhile, the contact element of the connector and the socket are fixed by the elastic gear sleeve, and when wiring is carried out in the equipment, the contact element is separated from the socket shell, so that the system is broken.

In summary, it can be seen that the existing high-voltage shielded electrical connector socket has the disadvantages of low production efficiency, high production cost and poor quality assurance capability when being communicated with the equipment circuit.

There is a need in the art to develop a connector receptacle that reduces the number of connecting elements, increases connection reliability, and reduces costs and potential hazards.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides a connector socket with a shielding function of a wireless cable and a vehicle-mounted charger.

The technical scheme adopted by the invention is to design a connector socket with a shielding function for a wireless cable, which comprises a head part, a flange plate and a tail part, wherein the head part is exposed outside a shell, and the center of the head part is provided with a plurality of pins which can be inserted into an external plug; the flange plate can be fixedly connected with the shell; the tail part is provided with a plurality of welding feet which can be welded with a circuit board in the shell; the pins and the welding feet are electrically connected through copper bars and are arranged at 90 degrees; the head portion surrounds a barrel-shaped shield in the middle, which shield is connected to the housing and to the shield of the plug when the plug is inserted.

The head includes tubbiness overcoat, columnar stem, the one end and the ring flange of stem and overcoat are linked together, and the stem is located the middle part, and overcoat cover is in the stem outside and be protected a tubbiness with the stem and allow the outer lane male space of plug, the shield cover cladding is on the lateral wall of stem, be equipped with a plurality of blind holes in the stem, set up in the blind hole participate in.

Two sides of the shielding cover extend out of a shielding cover elastic sheet respectively, and the shielding cover elastic sheets penetrate through the flange plate and extend to the tail direction; when the flange plate is connected with the shell, the elastic sheet of the shielding cover is in elastic contact with the metal shell.

Be equipped with the outside open tongue piece of polylith on the shield cover lateral wall, the tongue piece is formed by the punching press on the shield cover, with the outer lane suppress contact of metal when the outer lane of plug inserts.

The bottom in space erects a plurality of shield cover location protruding muscle around the shield cover, forms the shield cover mounting groove between the lateral wall of shield cover location protruding muscle and stem, the shield cover is inserted in the shield cover mounting groove.

The cross section of the outer sleeve is rectangular, and strip-shaped fool-proof ribs are arranged on the outer side wall of the outer sleeve; the outer side wall of the outer sleeve is provided with a buckling position which is inclined and protrudes upwards.

The cross section of the flange plate is rectangular, mounting holes are formed in four corners of the flange plate, and annular metal nests are embedded in the mounting holes.

The one side of ring flange towards the casing is equipped with an annular sealing washer mounting groove, is equipped with the sealing washer in the sealing washer mounting groove.

The head, the flange plate and the tail are integrally formed by plastic injection molding.

A vehicle-mounted charger comprises a shell and a circuit board inside the shell, wherein the shell and the circuit board are connected with the connector socket with the wireless cable shielding function.

The technical scheme provided by the invention has the beneficial effects that:

the plastic mounting plate and the contact element adopt an integrated plastic package design, so that the risk of the contact element falling off is avoided, and the contact is stable and reliable when the connector head base is inserted; the contact piece at the tail part of the socket is a 90-degree copper bar outgoing line, and after the connector socket is installed on equipment, the printed circuit board is only required to be vertically covered on the upper part of the copper bar, so that the whole body of the connector socket can be welded and fixed by an automatic welding machine, and the circuit communication between the electric equipment and the electric connector is realized; thereby when realizing with consumer circuit intercommunication: the production efficiency is improved, the production cost is reduced, and the quality assurance capability is enhanced.

Drawings

The invention is described in detail below with reference to examples and figures, in which:

FIG. 1 is a front view of a preferred embodiment of the present invention;

FIG. 2 is a rear view of the preferred embodiment of the present invention;

FIG. 3 is a perspective view of the preferred embodiment of the present invention in a forward direction;

FIG. 4 is a rear perspective view of the preferred embodiment of the present invention;

FIG. 5 is a perspective view of a preferred embodiment shield of the present invention;

FIG. 6 is an exploded view of the preferred embodiment of the present invention;

fig. 7 is a side cross-sectional view of a preferred embodiment of the present invention with a housing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The invention discloses a connector socket with a shielding function for a wireless cable, which comprises a head part 1, a flange plate 2 and a tail part 3, wherein the head part is exposed outside a shell, and the center of the head part is provided with a plurality of pins 4 which can be inserted into an external plug; the flange plate can be fixedly connected with the shell 20; the tail part is provided with a plurality of welding feet 5 which can be welded with a circuit board 21 in the shell; the pins and the welding feet are electrically connected through copper bars and are arranged at 90 degrees; the head part is surrounded by a barrel-shaped shielding 6 which is connected to the housing and to the shielding of the plug when the plug is inserted.

Fig. 1 to 7 show a front view, a back view, a front perspective view, a back perspective view, a shield perspective view, an exploded view, and a side sectional view of a tape enclosure, respectively, according to a preferred embodiment of the present invention. The socket is provided with a 90-degree copper bar outgoing line (convenient for an automatic welding machine to be welded and fixed with a PCB), and the head part 1, the flange plate 2 and the tail part 3 are in an integrated plastic package design (the copper bar and the welding plate do not move when the copper bar is vibrated and impacted in the vehicle running process).

Referring to the preferred embodiment shown in fig. 3, 4, 6 and 7, the head portion includes a barrel-shaped outer sleeve 7 and a cylindrical core column 8, one end of the core column and one end of the outer sleeve are connected with the flange 2, the core column is located in the middle, the outer sleeve is sleeved outside the core column and keeps a barrel-shaped gap with the core column, the gap allows the outer ring of the plug to be inserted, the shielding cover 6 is covered on the outer side wall of the core column, a plurality of blind holes are arranged in the core column, and the pins 4 are arranged in the blind holes. It should be noted that the car charging plug also has an outer sleeve and a jack, the outer sleeve of the plug is inserted into the gap of the invention, and the jack of the plug is inserted into the pin 4 of the invention for transmitting electric energy. It should also be noted that the pins in the present invention also include signal pins, and in the drawing, the icon 4 indicates a strong electrical pin for transmitting electrical energy, and the icon 4a indicates a signal pin for transmitting a signal. The solder tails also include signal solder tails, designated by the reference numeral 5 in the drawings as strong power solder tails for delivering electrical power, and designated by the reference numeral 5a as signals for delivering signals. The pins and the welding feet are electrically connected through the copper bar, so that a wider copper bar is welded on the circuit board conveniently, and one copper bar is divided into a plurality of smaller welding feet to facilitate welding.

Referring to fig. 3, 5, 6 and 7, in the preferred embodiment, a shield shell fragment 6a extends from each side of the shield 6, and the shield shell fragment extends through the flange 2 to the direction of the tail 3; when the flange 2 is connected with the shell, the elastic sheet of the shielding cover is in elastic contact with the metal shell. The contact part of the shell and the elastic sheet of the shielding case can not be painted, so that the electric contact is good. The periphery that lies in the afterbody when the shield cover shell fragment is worn out ring flange 2, if the diameter of afterbody is less, the afterbody can set up the boss of a uplift in shield cover shell fragment below to provide the support to the shield cover shell fragment, let shield cover shell fragment and casing pressure enough, the contact is good.

Referring to fig. 5 and 7, in the preferred embodiment, the shield 6 has a plurality of outwardly flared tabs 6b on its side walls, which are stamped from the shield and are in resilient contact with the metal collar when the plug collar is inserted. The shell, the socket, the plug and the shielding layer of the charging cable of the powered device (which can be a vehicle-mounted charger) are completely connected by the structure.

In order to stabilize the shield, a component for fixing the shield is added in the preferred embodiment. Referring to fig. 1 and 6, a plurality of shield positioning ribs 11 are erected around the shield at the bottom of the gap, a shield mounting groove is formed between the shield positioning ribs and the outer side wall of the stem 8, and the shield 6 is inserted into the shield mounting groove.

In order to further stabilize the shielding cover 6, four grooves 14 are arranged at the edge of the end face of the core column, and four inward-rolling hand grips 15 extend out of the top end of the shielding cover 6. After the shield 6 is fitted, the hand 15 grips into the groove 14 to fix the shield 6. For balancing, four recesses 14 are provided at the four sides of the end surface of the stem, and four fingers 15 are also provided at the four sides of the top end of the shielding cage 6. The hand grip 15 is punched and folded from the shield case 6.

In a preferred embodiment, the cross section of the outer sleeve 7 is rectangular, and a strip-shaped fool-proof rib 12 is arranged on the outer side wall of the outer sleeve; and the outer side wall of the outer sleeve is provided with a buckling position 9 which is inclined and raised upwards. Referring to fig. 1, 3, 4 and 7, the number of fool-proof ribs 12 provided on each outer sidewall of the outer sleeve is different, so that the plug can be inserted into the receptacle only if a correct orientation is selected. The clasp is arranged on the external plug, and when the plug is inserted, the clasp and the buckle position 9 on the outer sleeve are hooked, so that the plug is prevented from loosening.

Referring to fig. 1 and 7, in the preferred embodiment, the cross section of the flange 2 is rectangular, and mounting holes are formed at four corners of the flange, and annular metal nests 10 are embedded in the mounting holes. The flange is made of plastic and the mounting holes of the flange 2 are easily milled if the flange contacts with the screws of the metal, so in the preferred embodiment, the metal nests 10 are embedded in the mounting holes to increase the strength of the flange 2.

Referring to the preferred embodiment shown in fig. 2, 3, 6 and 7, the flange 2 is provided with an annular sealing ring mounting groove on a side facing the casing, and a sealing ring 13 is arranged in the sealing ring mounting groove. After the screw is tightened, the socket and the shell can be sealed, and a good waterproof and dustproof effect can be achieved.

In the preferred embodiment, the flange 2 has at least two positioning posts 16 on its side facing the housing. The corresponding positioning holes are also formed in the shell, so that the positioning accuracy of the socket can be improved during installation, and the quick installation is facilitated. The location post 16 and the socket are also integrally injection molded.

In the preferred embodiment, the head portion 1, the flange 2 and the tail portion 3 are integrally formed by plastic injection molding. Because integral type injection moulding has reduced the part kind, no longer the manual work carries out the forceful electric power and participates in and the packing into of signal and participating in, has improved assembly rate, has reduced the cost of labor, has improved production efficiency simultaneously

The invention also discloses a vehicle-mounted charger which comprises a casing 20 and a circuit board 21 in the casing, wherein the casing and the circuit board are connected with the connector socket with the shielding function of the wireless cable.

The foregoing examples are illustrative only and are not intended to be limiting. Any equivalent modifications or variations without departing from the spirit and scope of the present application should be included in the claims of the present application.

Claims

1. The utility model provides a connector socket of wireless cable area shielding function which characterized in that: comprises a head part (1), a flange plate (2) and a tail part (3),

the head part is exposed outside the shell, and the center of the head part is provided with a plurality of pins (4) which can be inserted with an external plug;

the flange plate can be fixedly connected with the shell (20);

the tail part is provided with a plurality of welding feet (5) which can be welded with a circuit board (21) in the shell;

the pins and the welding feet are electrically connected through copper bars and are arranged at 90 degrees;

the head part is surrounded by a barrel-shaped shielding cover (6) which is connected to the housing and to the shielding of the plug when the plug is inserted.

2. The shielded connector jack of claim 1, wherein: the head includes tubbiness overcoat (7), columnar stem (8), the one end and ring flange (2) of stem and overcoat are linked together, and the stem is located the middle part, and overcoat cover is in the stem outside and be protected a tubbiness with the stem and allow the outer lane male space of plug, shield (6) cladding is on the lateral wall of stem, be equipped with a plurality of blind holes in the stem, set up in the blind hole participate in (4).

3. The shielded connector jack of claim 2, wherein: two sides of the shielding cover (6) extend out of a shielding cover elastic sheet (6 a) respectively, and the shielding cover elastic sheets penetrate through the flange plate (2) and extend to the tail part (3) direction; when the flange plate (2) is connected with the shell, the elastic sheet of the shielding cover is elastically contacted with the metal shell.

4. The shielded connector jack of claim 3, wherein: be equipped with polylith tongue piece (6 b) that outwards opens on shield cover (6) lateral wall, the tongue piece is formed by the last punching press of shield cover, with the outer lane suppress contact of metal when the outer lane of plug inserts.

5. The shielded connector jack of claim 4, wherein: a plurality of shield cover location protruding muscle (11) are erect around the shield cover to the bottom in space, form the shield cover mounting groove between the lateral wall of shield cover location protruding muscle and stem (8), shield cover (6) are inserted in the shield cover mounting groove.

6. The shielded connector jack of claim 2, wherein: the cross section of the coat (7) is rectangular, and the outer side wall of the coat is provided with a strip-shaped fool-proof rib (12); the outer side wall of the outer sleeve is provided with a buckling position (9) which is inclined and raised upwards.

7. The shielded connector jack of claim 1, wherein: the cross section of the flange plate (2) is rectangular, mounting holes are formed in four corners of the flange plate, and annular metal nests (10) are embedded in the mounting holes.

8. The shielded connector jack of claim 1, wherein: the one side of ring flange (2) towards the casing is equipped with an annular sealing washer mounting groove, is equipped with sealing washer (13) in the sealing washer mounting groove.

9. The shielded connector jack of claim 1, wherein: the head (1), the flange plate (2) and the tail (3) are integrally formed by plastic injection molding.

10. The utility model provides a vehicle-mounted charger, includes casing (20) and inside circuit board (21) of casing, its characterized in that: the connector receptacle with shielding function of the wireless cable of any one of claims 1 to 9 is connected to the housing and the circuit board.