CN222168858U

CN222168858U - Novel high-voltage connection shielding device and high-voltage connector using the same

Info

Publication number: CN222168858U
Application number: CN202420029165.0U
Authority: CN
Inventors: 胡绍平; 唐朝飞
Original assignee: Suzhou Recodeal Interconnect System Co ltd
Current assignee: Suzhou Recodeal Interconnect System Co ltd
Priority date: 2024-01-05
Filing date: 2024-01-05
Publication date: 2024-12-13
Anticipated expiration: 2034-01-05

Abstract

The utility model discloses a novel high-voltage connection shielding device and a high-voltage connector using the same. The novel high-voltage connection shielding device comprises a shielding ring, a mounting seat and a mounting panel, wherein the shielding ring comprises a circular ring-shaped main body, a plurality of notch-shaped containing spaces are formed at the front end of the main body, an axial wallboard is formed between adjacent containing spaces, the end head of the axial wallboard is bent outwards to form a spring tooth, the mounting seat comprises an elastic clamping head for fixing the shielding ring and a backward plug for protecting the spring tooth, the mounting panel comprises at least one stepped through hole-shaped mounting hole, the main body is inserted in the rear step hole in a sleeved mode, the outer wall of the mounting seat is sleeved with the main body, the end faces of the spring teeth are elastically contacted with positioning steps of the mounting hole, and an inner core of a cable penetrates through an inner hole of the mounting seat. The utility model has the effects of avoiding dust caused by friction due to side contact in radial shielding, along with simple structure, stable shielding performance, low cost, stable contact and being especially suitable for new energy connectors.

Description

Novel high-voltage connection shielding device and high-voltage connector using same

Technical Field

The utility model relates to the technical field of electrical connection, in particular to a novel high-voltage connection shielding device and a high-voltage connector using the same.

Background

The high-voltage connector is widely applied to providing stable high-voltage and high-current transmission scenes between electric equipment, such as with the vigorous development of new energy automobile markets (especially electric automobiles, oil-electricity mixing and the like), the demand of the IPT high-voltage connector is increased, and meanwhile, the requirements on quality, performance, process and cost are stricter.

The prior high-voltage connector shielding structure has two types, namely, a first type of radial shielding structure, a convex point elastic sheet on the side surface of a shielding ring is contacted with a mounting panel, but metal dust is easily generated due to friction generated in the opposite insertion process by a customer feedback, and the problems of influence on the sealing performance of a sealing ring, an electric gap and the like are likely to occur. Secondly, the end face is sealed, a corrugated ring is assembled on the shielding ring and is in contact with the mounting panel, but the structure is complex, the cost is high, the process is complex, meanwhile, the shielding performance is improved by switching between the shielding ring and the corrugated ring, compared with a conventional shielding closed-loop system, the switching is added, and the probability of lowering the shielding performance exists;

There is therefore a need for a solution which avoids dust disturbances, has high shielding properties, is simple in construction, is low in cost and is contact-stable.

Disclosure of utility model

To address one or more of the above problems, the present utility model provides a novel high voltage connection shield apparatus.

According to one aspect of the utility model, the novel high voltage connection shielding device comprises a shielding ring, a mounting seat and a mounting panel;

The shielding ring comprises a circular main body, the front end of the main body is provided with a plurality of notch-shaped containing spaces, an axial wallboard is formed between adjacent containing spaces, and the end head of the axial wallboard is outwards bent to form spring teeth;

the mounting seat comprises an elastic clamping head for fixing the shielding ring and a backward plug for protecting the spring teeth;

The installation panel comprises at least one stepped through hole-shaped installation hole, a positioning step is formed at the joint of a rear step hole and a front step hole of the installation hole, a main body is inserted in the rear step hole and sleeved on the outer wall of the installation seat in a shaft sleeve mode, the end faces of the elastic teeth are elastically contacted with the positioning step, and an inner core of the cable penetrates through the inner hole of the installation seat.

The novel high-voltage connection shielding device adopts the shielding ring end face to set a plurality of spring teeth and the installation panel to set a positioning step for end face elastic contact. The novel radial shielding structure has the advantages that dust caused by friction generated by side contact in radial shielding is avoided, good sealing performance and electric clearance of the sealing ring can be kept, compared with a traditional end face contact structure corrugated ring and a traditional end face contact structure shielding ring, the structure is simple, the shielding performance is stable when the corrugated ring is connected with an installation panel, the shielding performance is reduced due to the fact that a switching structure does not exist, mass production is convenient, cost is low, contact is stable, and the novel radial shielding structure has obvious advantages particularly in a new energy connector, and the structure is convenient to install and maintain.

In some embodiments, the spring tooth is in a secondary bending structure, the end head of the axial wall plate is outwards bent upwards in a small-angle inclined manner to form a first bending arm, the tail end of the first bending arm is backwards bent to form a turnover end tooth which is approximately straight, and the end face of the turnover end tooth elastically contacts with the positioning step;

Wherein a first bending fillet is formed between the first bending arm and the axial wall plate.

In some embodiments, the spring tooth is machined by a stamping process.

In some embodiments, the receiving space, the axial webs, and the spring teeth are in a circumferential array.

In some embodiments, the rear end of the main body is further provided with a small-diameter wire fixing ring, the wire fixing ring is inserted between the inner core of the cable and the inner shielding layer, and the shielding pressing sleeve is fixed on the outer wall of the inner shielding layer.

In some embodiments, the accommodating space is a rectangular notch, the end part of the mounting seat is provided with a backward plug, and the backward plug is positioned in the accommodating space to prevent the mounting hole from being scratched when the spring tooth is in overpressure failure or skew by the mounting panel;

or the rear end in the main body is also provided with a plurality of clamping holes distributed circumferentially, the mounting seat is provided with a plurality of elastic chucks, and the elastic chucks enter the clamping holes.

In some embodiments, a first sealing ring is further arranged between the rear-stage hole and the main body, and the front end of the shell is attached to the rear end of the first sealing ring;

in some embodiments, a second sealing ring is further arranged between the tail end of the shell and the cable, and the rear end of the second sealing ring is attached to the tail cover.

The utility model also provides a high-voltage connector, which comprises any novel high-voltage connection shielding device.

Further, the utility model also comprises an installation seat, a shielding pressing sleeve, a tail cover and a shell,

The mounting seat is sleeved on the outer wall of the inner core of the cable and is clamped in a shielding ring of the shielding device;

the end plate of the shell is connected with the mounting panel of the shielding device through a screw, shielding rings and shielding press sleeves are arranged at the front end and the rear end of the inner cavity of the shell, and the tail end of the shell is clamped with the tail cover;

the cable is sleeved with the cable outer wall by the shielding pressing sleeve and is positioned outside the inner shielding layer, and the wire fixing ring at the rear end of the shielding ring is inserted and sleeved between the inner core and the inner shielding layer.

The novel high-voltage connection shielding device is adopted by the high-voltage connector, a plurality of spring teeth are arranged on the end face of the shielding ring, and positioning steps are arranged on the end face of the shielding ring and the mounting panel to conduct end face elastic contact. The novel radial shielding structure has the advantages that dust caused by friction generated by side contact in radial shielding is avoided, good sealing performance and electric clearance of the sealing ring can be kept, compared with a traditional end face contact structure corrugated ring and a traditional end face contact structure shielding ring, the structure is simple, the shielding performance is stable when the corrugated ring is connected with an installation panel, the shielding performance is reduced due to the fact that a switching structure does not exist, mass production is convenient, cost is low, contact is stable, and the novel radial shielding structure has obvious advantages particularly in a new energy connector, and the structure is convenient to install and maintain.

Drawings

FIG. 1 is a three-dimensional schematic view of a high voltage connector with a novel high voltage connection shield according to one embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of the high voltage connector of FIG. 1;

FIG. 3 is a three-dimensional schematic view of the shield ring of FIG. 2;

FIG. 4 is a three-dimensional schematic view of the shield ring of FIG. 2;

FIG. 5 is a three-dimensional schematic view of the mounting panel of FIG. 2;

FIG. 6 is a three-dimensional schematic view of the mount shown in FIG. 2;

FIG. 7 is a three-dimensional schematic view of the shield ring, mount, and cable of FIG. 2;

The shielding ring 1, the main body 100, the accommodating space 101, the axial wall plate 102, the spring tooth 103, the first bending arm 104, the first bending fillet 105, the turnover end tooth 106, the solid wire ring 107, the clamping hole 108 and the spring plate 109;

Mounting panel 2, mounting hole 21, positioning step 210, rear step hole 211, front step hole 212;

The device comprises a mounting seat 3, a backward plug 31, an elastic clamping head 32, a shielding pressing sleeve 4 and a tail cover 5;

A housing 6, an end plate 61, a first seal ring 7, a second seal ring 8;

The cable 01, inner core 010, inner shielding layer 011, heat shrinkage tube 012, copper bar terminal 013.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

Fig. 1 to 7 schematically show a novel high voltage connection shielding device according to an embodiment of the present utility model. As shown in the figure, the novel high-voltage connection shielding device comprises a shielding ring 1, a mounting seat 3 and a mounting panel 2;

The shielding ring 1 comprises a circular main body 100, a plurality of notch-shaped containing spaces 101 are arranged at the front end of the main body 100, an axial wall plate 102 is formed between two adjacent containing spaces 101, and the end heads of the axial wall plates 102 are outwards bent to form spring teeth 103. In addition, the spring tooth 103 is preferably processed by a stamping process, and the stamping process has the advantages of convenience in processing, relatively high processing precision, high production speed and low processing cost.

The mounting seat 3 comprises an elastic clamping head 32 for fixing the shielding ring 1 and a backward plug 31 for protecting the spring tooth 103;

The mounting panel 2 comprises at least one stepped through hole-shaped mounting hole 21, a positioning step 210 is formed at the joint of a rear step hole 211 and a front step hole 212 of the mounting hole 21, the main body 100 is inserted into the rear step hole 211 and sleeved on the outer wall of the mounting seat 3, the end faces of the plurality of spring teeth 103 elastically contact the positioning step 210, and an inner core 010 of the cable 01 penetrates through an inner hole of the mounting seat 3.

The novel high-voltage connection shielding device adopts the shielding ring 1 to set up a plurality of spring teeth 103 on the end face and the installation panel 2 to set up a positioning step 210 for end face elastic contact. The novel radial shielding structure has the advantages that dust caused by friction generated by side contact in radial shielding is avoided, good sealing performance and electric clearance of the sealing ring can be kept, compared with a traditional end surface contact structure corrugated ring and a traditional end surface contact structure shielding ring, the structure is simple, the shielding performance is stable when the corrugated ring is connected with the mounting panel 2, the shielding performance is reduced due to the fact that a switching structure does not exist, mass production is convenient, cost is low, contact is stable, and the novel radial shielding structure has obvious advantages particularly in a new energy connector, and the novel radial shielding structure is convenient to mount and maintain.

Further, the spring tooth 103 is in a secondary bending structure, the end of the axial wall plate 102 is bent outwards and obliquely upwards at a small angle to form a first bending arm 104, the tail end of the first bending arm 104 is bent backwards to form a nearly straight turning end tooth 106, and the end face of the turning end tooth 106 elastically contacts with the positioning step 210;

Wherein a first radius 105 is formed between the first bending arm 104 and the axial wall 102, and a second radius is formed between the turnup end tooth 106 and the first bending arm 104. The spring tooth 103 has the beneficial effects that the elasticity of the spring tooth 103 can be further improved by secondary bending, the possibility of friction dust generation is further reduced, the loaded distribution of the bending ends can be ensured to be uniform, the bending crack defect is avoided, and the fracture phenomenon caused by local amplified stress is avoided.

In some embodiments, the bend angle of the first bend arm 104 and the axial wall plate 102 is greater than 90 ° and less than 120 °. The bending angle has the advantages that the bending angle can be used for conducting good elastic end face contact, conducting effective end face shielding, and friction dust is not generated.

Further, the rear end of the main body 100 is also provided with a small diameter wire loop 107,

The solid wire ring 107 is inserted between the inner core 010 and the inner shielding layer 011 of the cable 01;

the shield press jacket 4 is fixed to the outer wall of the inner shield layer 011. The cable 01 has the beneficial effect that the arrangement can optimize the shielding performance of the cable 01.

Further, the accommodating space 101 is a rectangular notch, the end part of the mounting seat 3 is provided with a backward plug 31, and the backward plug 31 is positioned in the accommodating space 101 to prevent the bullet tooth 103 from scratching the mounting hole 21 when the bullet tooth is in overpressure failure or skew by the mounting panel 2.

Preferably, the rear end in the main body 100 is further provided with a plurality of circumferentially distributed clamping holes 108, each clamping hole 108 is internally provided with a spring plate 109, the mounting seat 3 is provided with a plurality of elastic chucks 32, and the elastic chucks 32 enter the clamping holes 108. The cable 01 has the beneficial effects that the structure is convenient for insertion, so that the cable 01 is well fixed.

Further, a first sealing ring 7 is further arranged between the rear-stage hole 211 and the main body 100, and the front end of the shell 6 is attached to the rear end of the first sealing ring 7.

Further, a second sealing ring 8 is further arranged between the tail end of the shell 6 and the cable 01, and the rear end of the second sealing ring 8 is attached to the tail cover 5. The sealing device has the beneficial effects that the two sealing devices can prevent impurities from entering, and keep the shielding device in good sealing performance for a long time.

Further, after the front end of the core 010 of the cable 01 passes through the mounting panel 2, the front end of the core 010 is connected to the copper bar terminal 013 through the heat shrink tube 012, and the copper bar terminal 013 is connected to the copper bar 014.

Furthermore, a shielding ring 1 and a shielding pressing sleeve 4 are arranged in the shell 6 back and forth, the mounting seat 3 is inserted into the shielding ring 1, the end plate 61 of the shell 6 is fixedly provided with the panel 2 through a screw, a protective sleeve is arranged on the screw, and the tail end of the shell 6 is clamped with the tail cover 5.

A high-voltage connector comprises any one of the novel high-voltage connection shielding devices.

Further, the high voltage connector comprises a shielding ring 1, a mounting panel 2, a mounting seat 3, a shielding press sleeve 4, a tail cover 5 and a shell 6,

The mounting seat 3 is sleeved on the outer wall of the inner core 010 of the cable 01 and is clamped in the shielding ring 1 of the shielding device;

The end plate 61 of the shell 6 is connected with the mounting panel 2 of the shielding device through a screw, the shielding rings 1 and the shielding press sleeves 4 are arranged at the front end and the rear end of the inner cavity of the shell 6, and the tail end of the shell 6 is clamped with the tail cover 5;

The shielding press sleeve 4 is sleeved on the outer wall of the cable 01 and is positioned outside the inner shielding layer 011, and the wire fixing ring 107 at the rear end of the shielding ring 1 is inserted between the inner core 010 and the inner shielding layer 011.

The high-voltage connector adopts a novel high-voltage connection shielding device, and the end face of a shielding ring 1 is provided with a plurality of spring teeth 103 and a positioning step 210 for end face elastic contact with a mounting panel 2. The novel radial shielding structure has the advantages that dust caused by friction generated by side contact in radial shielding is avoided, good sealing performance and electric clearance of the sealing ring can be kept, compared with a traditional end surface contact structure corrugated ring and a traditional end surface contact structure shielding ring, the structure is simple, the shielding performance is stable when the corrugated ring is connected with the mounting panel 2, the shielding performance is reduced due to the fact that a switching structure does not exist, mass production is convenient, cost is low, contact is stable, and the novel radial shielding structure has obvious advantages particularly in a new energy connector, and the novel radial shielding structure is convenient to mount and maintain.

Preferably, the front end of the shielding ring 1 is provided with the spring teeth 103, the spring teeth 103 can be processed by a stamping process, the mounting panel 2 comprises at least one stepped through hole-shaped mounting hole 21, the mounting hole 21 is provided with a positioning step 210, the shielding ring 1 is inserted into a rear step hole 211 of the mounting hole 21 and sleeved on the outer wall of the mounting seat 3 in a sleeved mode, and the end faces of the spring teeth 103 elastically contact with the positioning step 210.

Further, the end part of the mounting seat 3 is provided with a backward plug 31, the backward plug 31 is positioned in the accommodating interval 101, the mounting seat 3 is provided with a plurality of elastic chucks 32, and the elastic chucks 32 enter the clamping holes 108 of the shielding ring 1;

After the inner core 010 at the front end of the cable 01 passes through the inner hole of the mounting seat 3 and the mounting panel 2, the front end of the inner core 010 is connected with the copper bar terminal 013 through the heat shrinkage tube 012, and the copper bar terminal 013 is connected with the copper bar.

Further, a first sealing ring 7 is further arranged between the rear-stage hole 211 and the main body 100, the front end of the shell 6 is attached to the rear end of the first sealing ring 7, a second sealing ring 8 is further arranged between the tail end of the shell 6 and the cable 01, and the rear end of the second sealing ring 8 is attached to the tail cover 5.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims

1. The novel high-voltage connection shielding device is characterized by comprising a shielding ring (1), a mounting seat (3) and a mounting panel (2);

The shielding ring (1) comprises a circular main body (100), a plurality of notch-shaped containing intervals (101) are arranged at the front end of the main body (100), an axial wall plate (102) is formed between two adjacent containing intervals (101), and the end heads of the axial wall plates (102) are outwards bent to form spring teeth (103);

The mounting seat (3) comprises an elastic clamping head (32) for fixing the shielding ring (1) and a backward plug (31) for protecting the spring teeth (103);

The installation panel (2) comprises at least one stepped through hole-shaped installation hole (21), a locating step (210) is formed at the joint of a rear step hole (211) and a front step hole (212) of the installation hole (21), the main body (100) is inserted and sleeved in the rear step hole (211) and sleeved on the outer wall of the installation seat (3), the end faces of the elastic teeth (103) are elastically contacted with the locating step (210), and an inner core (010) of the cable (01) penetrates through an inner hole of the installation seat (3).

2. The novel high-voltage connection shielding device according to claim 1, wherein the spring tooth (103) is of a secondary bending structure, the end of the axial wall plate (102) is bent outwards and obliquely upwards at a small angle to form a first bending arm (104), the end of the first bending arm (104) is bent backwards to form a turnover end tooth (106) which is approximately straight, and the end face of the turnover end tooth (106) elastically contacts the positioning step (210);

Wherein a first bending fillet (105) is formed between the first bending arm (104) and the axial wall plate (102).

3. The novel high voltage connection shielding device according to claim 2, wherein the spring tooth (103) is machined by a stamping process.

4. A novel high voltage connection shielding device according to any of claims 1 to 3, characterized in that the receiving space (101), the axial wall plate (102) and the spring teeth (103) are arranged in a circumferential array.

5. The novel high-voltage connection shielding device according to claim 4, wherein the rear end of the main body (100) is further provided with a small-diameter wire fixing ring (107),

The wire fixing ring (107) is inserted between an inner core (010) and an inner shielding layer (011) of the cable (01);

the shielding pressing sleeve (4) is fixed on the outer wall of the inner shielding layer (011).

6. The novel high-voltage connection shielding device according to claim 4, wherein the accommodating space (101) is a rectangular notch, the end part of the mounting seat (3) is provided with the backward plug (31), the backward plug (31) is positioned in the accommodating space (101) to prevent the mounting hole (21) from being scratched when the spring tooth (103) is in overpressure failure or skew by the mounting panel (2);

Or the rear end still is equipped with a plurality of circumference distribution's joint hole (108) in main part (100), mount pad (3) are equipped with a plurality of elasticity dop (32), elasticity dop (32) get into joint hole (108).

7. The novel high-voltage connection shielding device according to claim 4, wherein a first sealing ring (7) is further arranged between the rear-stage hole (211) and the main body (100), and the front end of the shell (6) is attached to the rear end of the first sealing ring (7).

8. The novel high-voltage connection shielding device according to claim 7, wherein a second sealing ring (8) is further arranged between the tail end of the shell (6) and the cable (01), and the rear end of the second sealing ring (8) is attached to the tail cover (5).

9. A high-voltage connector, characterized by comprising the novel high-voltage connection shielding device according to any one of claims 1 to 8.

10. The high voltage connector according to claim 9, further comprising a mounting base (3), a shield press sleeve (4), a tail cap (5) and a housing (6),

The mounting seat (3) is sleeved on the outer wall of an inner core (010) of the cable (01) and is clamped in a shielding ring (1) of the shielding device;

The end plate (61) of the shell (6) is connected with the mounting panel (2) of the shielding device through a screw, the shielding rings (1) and the shielding press sleeves (4) are arranged at the front end and the rear end of the inner cavity of the shell (6), and the tail end of the shell (6) is clamped with the tail cover (5);

The shielding pressing sleeve (4) is sleeved on the outer wall of the cable (01) and is positioned on the outer side of the inner shielding layer (011), and the wire fixing ring (107) at the rear end of the shielding ring (1) is inserted between the inner core (010) and the inner shielding layer (011).