CN201994463U

CN201994463U - Connecting assembly of power line

Info

Publication number: CN201994463U
Application number: CN2011200543993U
Authority: CN
Inventors: 徐旭芬
Original assignee: NINGBO YINZHOU ACOUSTO-OPTIC ELECTRONIC Manufacturing Co Ltd
Current assignee: NINGBO YINZHOU ACOUSTO-OPTIC ELECTRONIC Manufacturing Co Ltd
Priority date: 2011-03-03
Filing date: 2011-03-03
Publication date: 2011-09-28
Anticipated expiration: 2021-03-03

Abstract

The utility model relates to an improved connecting assembly of a power line, which is beneficial to effective avoidance of damages to electronic elements on a circuit board and increase of a welding area. The connecting assembly comprises an interface end, a built-in circuit board, a cable and a light guide tube, wherein the interface end is used for accommodating terminals and is in interference fit with the terminals, the terminals comprise a signal terminal and a power supply terminal, and the power supply terminal is larger than the signal terminal in size; the built-in circuit board is provided with a light-emitting diode and is connected with a terminal electric appliance; the cable is provided with a plurality of conductor wires and a stress release part; the light guide tube is arranged between the circuit board and the stress release part; the built-in circuit board is provided with a through hole as well as a front end face and a rear end face, the light-emitting diode is arranged on the rear end face of the built-in circuit board, and the conductor wires of the cable are connected with the terminal electric appliance at the front end after passing through the through hole of the built-in circuit board; the through hole is arranged in the central position of the built-in circuit board and penetrates through the front end face and the rear end face of the built-in circuit board; and the built-in circuit board is adjacent to the light guide tube.

Description

The power line coupling assembling

Technical field

The relevant a kind of power line coupling assembling of the utility model refers to it is the power line coupling assembling of the transmission power supply signal in low-tension supply is used especially.

Background technology

The power line coupling assembling is widely used in the hyundai electronics electric equipment, for example, the power line coupling assembling of transmission power supply signal commonly used, can its service behaviour quality directly whole electronic and electrical equipment of influence normally be moved.

Simultaneously, along with the trend of power line coupling assembling structure miniaturization, the electronic component on its internal circuit board is used and is increased, and when carrying out welding operation on internal circuit board, is easy to injure the sensitive electronic component of periphery.

Therefore, necessary the power line coupling assembling is improved to solve above-mentioned defective of the prior art.

The utility model content

Main purpose of the present utility model is to provide a kind of power line coupling assembling that improves structure that has, and it can effectively avoid hurting the electronic component on the circuit board.

To achieve these goals, the utility model provides a kind of power line coupling assembling, it comprises: accommodate terminal and become the interface head of interference fit with described terminal, described terminal comprises signal terminal and power supply terminal, and described power supply terminal is bigger than the size of signal terminal; The internal circuit board that has light-emitting diode and be connected with described terminal electrical equipment; Be provided with the cable and the light pipe between described circuit board and Stress Release part of some leads and Stress Release part; Described internal circuit board is provided with through hole and has front/rear end, and described light-emitting diode is arranged at the rear end face of this internal circuit board, and the lead of described cable passes the through hole of internal circuit board and is connected with terminal electrical equipment at front end; Described through hole is arranged at the middle position of internal circuit board and runs through its front/rear end; The contiguous light pipe setting of described internal circuit board.

Compared with prior art, the utility model has following beneficial effect: this power line coupling assembling is effectively avoided the electronic component on the internal circuit board and is increased bonding area by improved built-in circuit plate structure.

Description of drawings

Fig. 1 is the three-dimensional assembly diagram of the utility model power line coupling assembling.

Fig. 2 is the three-dimensional exploded view of the utility model power line coupling assembling preferred embodiment.

Fig. 3 is the view at another visual angle of power line coupling assembling shown in Figure 2.

Fig. 4 is the stereogram after the subelement of power line coupling assembling shown in Figure 3 is assembled.

Fig. 5 is the view at another visual angle of power line coupling assembling shown in Figure 4.

Fig. 6 is the cross-sectional schematic along Fig. 1 center line A-A.

Embodiment

The utility model provides a kind of power line coupling assembling, and it comprises: accommodate terminal and become the interface head of interference fit with described terminal, described terminal comprises signal terminal and power supply terminal, and described power supply terminal is bigger than the size of signal terminal; The internal circuit board that has light-emitting diode and be connected with described terminal electrical equipment; Be provided with the cable and the light pipe between described circuit board and Stress Release part of some leads and Stress Release part; Described internal circuit board is provided with through hole and has front/rear end, and described light-emitting diode is arranged at the rear end face of this internal circuit board, and the lead of described cable passes the through hole of internal circuit board and is connected with terminal electrical equipment at front end; Described through hole is arranged at the middle position of internal circuit board and runs through its front/rear end; The contiguous light pipe setting of described internal circuit board.

Please refer to Fig. 1 to shown in Figure 5, the utility model power line coupling assembling 100 comprises internal circuit board 2, be positioned at the interface head 3 of internal circuit board 2 front ends, be positioned at internal circuit board 2 rear ends light pipe 4, can be with the fixing module 5, the cable 7 that is coated on the outer module 6 of power line coupling assembling 100 peripheries and is provided with some leads 71 together of described internal circuit board 2, light pipe 4 and interface head 3, described in module 5 be provided with annular recess (unmarked) in the rear end.

Please refer to Fig. 2 to shown in Figure 3, internal circuit board 2 is along the direction setting perpendicular to the butt joint direction, and described interface head 3 and light pipe 4 lay respectively at the both sides of internal circuit board 2.This internal circuit board 2 is a cardinal principle disk shape hollow structure, and its outside becomes regular polygon, it has front/rear end, and described internal circuit board 2 is provided with the through hole 23 that runs through front/rear end in the cardinal principle middle position, and be provided with two

conductive regions

21,22 in the below of front end face, described

conductive region

21,22 is provided with separately along the horizontal direction perpendicular to the butt joint direction.In addition, the rear end face of described internal circuit board 2 is symmetrically distributed with 4 light-emitting diodes (LED) 24 that are used to indicate power line coupling assembling 100 operating states, and the top of internal circuit board 2 front end faces is provided with two resistive elements 25.

Describedly accommodate terminal and become the interface head 3 of interference fit to comprise: be formed at its front end and the docking section 31 of making by metal material, be coated on insulating body (unmarked) in the docking section 31, be contained in a pair of signal terminal 34, part in the insulating body and extend the pair of power source terminals 33 of 31 rear ends, docking section and be folded in dividing plate 35 between the pair of power source terminals 33 with described terminal, described signal terminal 34 is littler than power supply terminal 33 sizes, so on the one hand convenient identification, covert on the other hand increase the bonding area during with internal circuit board 2 welding.Described docking section 31 is formed with spatial accommodation 32, and its top is formed with slit 311.Described signal terminal 34 is contained in the terminal channel (unmarked) in the spatial accommodation 32.The end of described power supply terminal 33 has the horizontally extending to the inside weld part 331 from the bottom.The top of described dividing plate 35 is higher than pair of power source terminals 33, so can prevent the short circuit between the two.

Light pipe 4 roughly becomes the nut shape configuration of pre-large post-small hollow, and it is made and be used for transmitting the light that light-emitting diode 24 sends by transparent plastic material.Light pipe 4 comprises the bigger light guide section of the external diameter of front end 43 and is positioned at the less holding parts 41 of external diameter of light guide section 43 rear ends, the rear end of described light guide section 43 has the transmittance section 431 of observing light-emitting diode 24 states for the user, described holding parts 41 outer surfaces are provided with the screw thread that is alternately formed by fin (unmarked) and ring-shaped groove (unmarked), and described fin surface is provided with tangent plane 411.By Fig. 2 and Fig. 3 as seen, before and after light pipe 4 is run through by a through hole 42.

Cable 7 has comprised the Stress Release part 72 of fixing and Stress Release effect and the some leads 71 that extend forward from described Stress Release part 72.

Please refer to Fig. 2 to Fig. 6, during assembling, described interface head 3 is assembled with internal circuit board 2 mutually by pair of power source terminals 33, described pair of power source terminals 33 is passed the through hole 23 of internal circuit board 2, the a pair of weld part 331 of its below is resisted against two

conductive regions

21,22 of internal circuit board 2, and is welded in corresponding conductive region by solder technology.The front end face of described internal circuit board 2 contiguous light pipes 4, some leads 71 of described cable 7 extend through the through hole 42 of light pipe 4 and the through hole 23 of internal circuit board 2, and the front end of internal circuit board 2 respectively with described signal terminal 34 and power supply terminal 33 welding, to prevent to hurt the electronic component on the internal circuit board 2 and can increase bonding area.Mold forming will be assembled together internal circuit board 2, interface head 3, light pipe 4 moulding one in adopting, and described interior module 5 promptly is the structure behind interior mold forming, and it is made to improve bonding strength in narrow space by engineering plastics.At last, by external mold is Overmolded above-mentioned each element that is assembled into one is coated one again, described outer module 6 is the structure behind the outer mold forming.After described power line coupling assembling 100 moulding finish, the Stress Release part 72 of described cable 7 can be coated on the holding parts 41 of the rear end of light pipe 4, the transmittance section 431 of light pipe 4 is exposed to the outside of outer module 6, with the operating state of display power supply line coupling assembling 100, the rear end of module 5 in Stress Release part 72 parts of described cable 7 are coated on.

In the utility model, because the rear end of described light pipe 4 is provided with fin and the groove that shape of threads is arranged, when Stress Release part 72 was overmolded in light pipe 4, these structures can strengthen molding effect, improved the performance of waving of product, increased the service life.In addition, the utility model power line coupling assembling 100 directly is provided with the holding parts 41 with Stress Release function in the rear end of light pipe 4, has omitted the ring body structurc in the conventional art, and is simple in structure, makes easily.Moreover described circuit board 2 has reduced the loss of light in being transferred to light pipe 4 processes that light-emitting diode 24 sends to greatest extent near the front end face of light pipe 4, has strengthened the leaded light performance of power line coupling assembling 100.At last, the fin of the holding parts 41 of described light pipe 4 is by being provided with tangent plane 411, can prevent Stress Release part 72 with light pipe 4 moulding after rotate.

Claims

1. power line coupling assembling is characterized in that it comprises:

Accommodate terminal and become the interface head of interference fit with described terminal, described terminal comprises signal terminal and power supply terminal, and described power supply terminal is bigger than the size of signal terminal;

The internal circuit board that has light-emitting diode and be connected with described terminal electrical equipment;

Be provided with the cable and the light pipe between described circuit board and Stress Release part of some leads and Stress Release part;

Described internal circuit board is provided with through hole and has front/rear end, and described light-emitting diode is arranged at the rear end face of this internal circuit board, and the lead of described cable passes the through hole of internal circuit board and is connected with terminal electrical equipment at front end;

Described through hole is arranged at the middle position of internal circuit board and runs through its front/rear end; The contiguous light pipe setting of described internal circuit board.

2. power line coupling assembling as claimed in claim 1, it is characterized in that: described power line coupling assembling also comprises integrated interior module that is formed at described power line coupling assembling inside and the integrated outer module that is coated on its outside, described interior module is made by engineering plastics and is provided with annular recess in its rear end, described outer module is coated on this annular recess front end, described light pipe is arranged at this annular recess, the rear end of module in the Stress Release portion of described cable partly is coated on.

3. power line coupling assembling as claimed in claim 1 is characterized in that: the end of described power supply terminal has the weld part that extends from the bottom downwards, and described circuit board is provided with the conductive region that welds mutually with the weld part of power supply terminal; The end of described power supply terminal passes the through hole of internal circuit board, and described weld part is resisted against described conductive region.

4. power line coupling assembling as claimed in claim 3 is characterized in that: described circuit board is provided with some resistive elements in its front end face, and described resistive element and described conductive region are symmetrically distributed; Also be provided with the dividing plate that prevents the two short circuit between the described pair of power source terminals, and the top of described dividing plate is higher than power supply terminal.