CN211600556U - Lamp holder, lighting module and vehicle - Google Patents

Abstract

The utility model provides a lamp stand, lighting module and vehicle, this lamp stand include connector casing (1) and radiator, the radiator includes radiator body (4), the one end of radiator body (4) be suitable for with the joint is carried out to the one end of connector casing (1), connector casing (1) nestification is in radiator body (4), on connector casing (1) with the one end of radiator body (4) joint and/or radiator body (4) with one side of upper circuit board (2) contact is equipped with first recess (17), be equipped with radiator (18) in first recess (17), lower floor's circuit board (3) and/or upper circuit board (2) with radiator (18) contact. The heat dissipation body contacted with the lower layer circuit board and/or the upper layer circuit board is additionally arranged on the connector shell and/or the heat dissipation body, so that the heat dissipation speed of the lamp holder is further increased.

Description

Lamp holder, lighting module and vehicle

Technical Field

The utility model relates to a lighting device specifically, relates to a lamp stand, lighting module and vehicle.

Background

The LED has the characteristics of high brightness, rich color types, low power consumption and long service life, and is widely applied to the field of automobiles, such as headlights, rear combination lamps, automobile reading lamps and the like. The LED lamp holder is a standardized detachable LED light source integrating an LED light source, a circuit and a mounting structure, and can be directly screwed in and fixed on a lamp body or a reflector during use, and the LED lamp holder is electrically connected with the outside through a connector structure at the tail part and is convenient to detach and replace. Due to the standardized structure, the lamp can be borrowed by lamps of various vehicle types, so that the design and manufacturing cost is reduced. According to different LED models, the LED lamp holder can be designed into an LED lamp holder with multiple functions such as a tail lamp, a brake lamp, a steering lamp, a reversing lamp, a fog lamp and the like.

Since the size of the LED socket is limited by regulations, and in order to realize miniaturization and multi-functionalization of the lighting device for a vehicle, it is necessary to arrange not only LEDs but also a large number and variety of components on a substrate having a limited space. In addition, the small structure of the product means that the heat dissipation of the LED light source and components is relatively more difficult, and the temperature of the LED can be increased due to the over-concentrated heat generating area, so that the service life of the LED is shortened, or the luminous flux is reduced, so that the problems of regulations and the like cannot be met. Therefore, it is highly desirable to provide an LED lamp socket that can increase the substrate area or the component arrangement space and efficiently dissipate heat generated from the LED light source and the components to the outside while satisfying the miniaturization and the multi-functionalization of products.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a problem that the aspect will be solved provides a lamp stand, and this lamp stand can promote the radiating effect on the basis of realizing lamp stand basic function.

The utility model discloses the technical problem who still remains to solve provides a lighting module, and this lighting module has more perfect heat dissipation function on the basis of realizing the illumination.

Further, the utility model aims to solve the technical problem that a vehicle is provided, the lighting module of this vehicle is on the basis of realizing the illumination, and the radiating effect is better.

In order to achieve the above object, an aspect of the present invention provides a lamp socket, which includes a connector housing and a heat sink, wherein the heat sink includes a heat sink body, one end of the heat sink body is suitable for being connected to one end of the connector housing in a clamped manner, the connector housing is embedded in the heat sink body, a lower circuit board is disposed at one end of the connector housing connected to the heat sink body, and an upper circuit board is disposed at an outer side of one end of the heat sink body connected to the connector housing in a clamped manner; the upper layer circuit board is electrically connected with the lower layer circuit board, and the lower layer circuit board is electrically connected with an electric signal output device; one end of the connector shell, which is connected with the radiator body in a clamping mode, and/or one side of the radiator body, which is in contact with the upper-layer circuit board, is/are provided with a first groove, a radiator is arranged in the first groove, and the lower-layer circuit board and/or the upper-layer circuit board are/is in contact with the radiator.

Preferably, the heat radiator is an aluminum heat radiator.

Specifically, the heat radiation body is a block-shaped body with flat upper and lower surfaces; or the upper surface of the heat radiation body is flat, and the lower surface of the heat radiation body is provided with a plurality of heat radiation columns.

Preferably, a heat conducting glue is arranged between the first groove and the heat radiation body.

Preferably, an upper heat conducting adhesive is arranged on one side plate of the upper layer circuit board close to the radiator body, and a lower heat conducting adhesive is arranged on two side plates of the lower layer circuit board.

Preferably, the side wall of the connector housing is provided with a first cooling fin, and the side wall of the radiator body is provided with a second cooling fin.

Preferably, the upper circuit board and the lower circuit board are electrically connected through an inter-board PIN, and the lower circuit board and the electrical signal output device are electrically connected through a PIN of a connector.

Specifically, the PIN PINs between the boards and the PIN PINs of the connector are both metal inserts, the lower end heads of the PIN PINs between the boards and the middle parts of the PIN PINs of the connector are embedded in the connector shell, and holes, grooves, gaps or protrusions are arranged on the parts, embedded in the connector shell, of the PIN PINs between the boards and the PIN PINs of the connector.

Preferably, the PIN PINs between the boards are respectively welded with the upper layer circuit board and the lower layer circuit board, and the PIN PINs of the connector assembly are welded with the lower layer circuit board.

Specifically, the holes are round holes, square holes or waist-shaped holes.

Preferably, a first sealing surface is arranged at the clamping position of the connector shell and the heat radiator body, a second sealing surface is arranged at the clamping position of the heat radiator body and the connector shell, and the first sealing surface is connected with the second sealing surface in a sealing mode.

Preferably, the upper circuit board is provided with a positioning hole, the radiator body is provided with a positioning column, and the positioning hole is matched with the positioning column.

Preferably, be equipped with the circuit board on the circuit board of lower floor and dodge the groove, the connector casing with the one end of radiator body joint is equipped with casing guide way and casing spacing groove in proper order, be equipped with fixed muscle on the radiator body, the circuit board dodge the groove the casing guide way the casing spacing groove all with fixed muscle phase-match.

The utility model discloses another aspect still provides an illumination module, this illumination module include above-mentioned arbitrary one the lamp stand, be equipped with light emitting component on the upper circuit board, be equipped with electronic components on the circuit board of lower floor.

Further, the lighting module further comprises a lamp body matching structure, the lamp body matching structure is connected with the lamp holder, a lamp holder clamping pin is arranged on the radiator body, and the lamp holder clamping pin is matched with the lamp body matching structure.

Preferably, the radiator body and the lamp holder clamping pin are a double-shot injection molding integrated piece.

Preferably, the radiator body is provided with a bulge protruding out of the side face of the radiator body, and the inner side of the lamp holder clamping pin of the lamp holder is provided with a concave cavity capable of being matched with the bulge.

Preferably, the radiator body is provided with an annular groove, the radiator body is provided with an annular flange, and the lamp holder clamping pin is provided with a second groove capable of being embedded into the radiator body.

Further preferably, the annular flange is provided with at least one through groove, and the lamp holder clamping pin is provided with a first bump capable of being embedded into the through groove.

Further preferably, a third groove is formed in the annular groove, and a second projection capable of being inserted into the third groove is arranged on the inner side of the lamp holder clamping pin.

Preferably, a sealing ring is arranged at one end of the radiator body, which is connected with the lamp body matching structure, and the sealing ring is in interference fit with the lamp body matching structure.

Further, this lighting module still includes the line terminal connector, the line terminal connector with the lamp stand is connected, be equipped with mistake proofing structure and anticreep buckle on the lateral wall of connector casing, be equipped with mistake proofing spacing groove and anticreep bayonet socket on the line terminal connector, mistake proofing structure with mistake proofing spacing groove phase-match, the anticreep buckle with anticreep bayonet socket phase-match.

The third aspect of the present invention also provides a vehicle including the lighting module of any one of the above aspects.

Through the technical scheme, the beneficial effects of the utility model are that:

1. the light-emitting element is arranged on the upper circuit board, the electronic component is arranged on the lower circuit board, and the light source electric board and the control electric board are arranged separately, so that the control electric board has a larger space, the multifunctional control of the lamp holder is realized by conveniently arranging various electronic components, or the cost of the lighting equipment can be reduced by arranging the electronic component with low cost and large volume, and meanwhile, the lamp holder has sufficient design allowance;

2. the heat generated by the light-emitting element on the upper circuit board is directly radiated by the radiator, and the heat generated by the electronic element on the lower circuit board is simultaneously radiated by the connector shell and the radiator, so that the temperature resistance requirement of the electronic element is reduced, and the production cost can be further reduced;

3. the socket connector comprises a socket connector shell and/or a radiator body, wherein the socket connector shell is provided with a plurality of radiating columns, the radiating columns are arranged on the upper surface of the socket connector shell, the radiating columns are arranged on the lower surface of the socket connector shell, the radiating bodies are in contact with the lower layer circuit board and/or the upper layer circuit board, the radiating speed of the socket connector can be further increased, the radiating bodies can be special-shaped bodies with flat upper surfaces and a plurality of radiating columns arranged on the lower surfaces, the radiating columns are arranged below the electronic components which generate heat, the length of the radiating columns can be.

Drawings

Fig. 1 is a perspective structural view of an embodiment of the lamp socket of the present invention;

fig. 2 is a bottom view of the lamp socket shown in fig. 1;

figure 3 is a side view of the lamp socket shown in figure 1;

fig. 4 is a top view of the lamp socket shown in fig. 1;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is a perspective structural view of an embodiment of a heat sink according to the present invention;

figure 7 is a circuit diagram of the lamp socket of figure 1;

FIG. 8 is a top view of one embodiment of a connector housing of the present invention;

fig. 9 is a bottom view of an embodiment of the heat sink body of the present invention;

fig. 10 is a schematic structural view of an assembly a formed by the inter-board PIN, the connector PIN, the heat sink and the connector housing according to an embodiment of the present invention;

FIG. 11 is a schematic structural view of an assembly B formed by the assembly A and the lower circuit board shown in FIG. 10;

FIG. 12 is a schematic structural view of an assembly C formed by the assembly B and the heat sink body and the upper circuit board shown in FIG. 11;

fig. 13 is a schematic view of an embodiment of the lighting module of the present invention;

FIG. 14 is a perspective view of one embodiment of a connector housing of the present invention;

fig. 15 is a schematic top view of a first embodiment of the dual-color injection molding of the heat sink body and the lamp holder pins of the present invention;

FIG. 16 is a schematic structural view of a second embodiment of the present invention, showing the two-color injection molding of the heat sink body and the lamp holder pins;

figure 17 is an exploded view of the heat sink body and socket clip of figure 16;

FIG. 18 is a schematic structural view of a third embodiment of the present invention, showing a heat sink body and a lamp holder clamping pin by two-color injection molding;

figure 19 is an exploded view of the heat sink body and socket clip of figure 18;

fig. 20 is a schematic structural view of a fourth embodiment of the invention, in which the radiator body and the lamp holder pins are molded in two colors;

figure 21 is an exploded view of the heat sink body and socket clip of figure 20.

Description of the reference numerals

1 connector housing 11 housing guide groove

12 mistake proofing structure 13 anti-drop buckle

14 casing limiting groove 15 first radiating fin

16 first sealing surface 17 first groove

18 radiator 181 radiating column

2 Upper layer circuit board 21 light emitting element

22 positioning holes 23 are filled with heat-conducting glue

3 lower layer circuit board 31 electronic component

32 lower heat-conducting glue 33 circuit board avoiding groove

4 radiator body 41 second fin

42 lamp holder clamping pin 43 positioning column

44 anchor rib 45 second sealing surface

46 raised 47 ring groove

48 annular flange 481 channel

49 second recess 410 first projection

411 third recess 412 second projection

5 first through hole of PIN 51 between boards

6 plug-in PIN 61 second through hole

7 lamp body cooperation structure 8 line end connector

81 mistake proofing spacing groove 9 sealing washer

10 baffle plate

Detailed Description

The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, and it should be understood that the embodiments described herein are merely for purposes of illustration and explanation, and the scope of the present invention is not limited to the following embodiments.

The terms "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The utility model discloses a lamp holder that the first aspect provided, as shown in fig. 1-5, including connector housing 1 and radiator, the radiator includes radiator body 4, and the one end of radiator body 4 is suitable for carrying out the joint with one end of connector housing 1, and connector housing 1 nests in radiator body 4, and the one end of connector housing 1 with radiator body 4 joint is equipped with lower floor's circuit board 3, and the one end outside with connector housing 1 joint on radiator body 4 is equipped with upper floor's circuit board 2; the upper circuit board 2 is electrically connected with the lower circuit board 3, and the lower circuit board 3 is electrically connected with the electrical signal output device.

It should be noted that a partition plate 10 may be disposed at one end of the heat sink body 4, which is clamped with the connector housing 1, an upper circuit board 2 is disposed on one side of the partition plate 10, which is away from the connector housing 1, and a lower circuit board 3 is disposed between the partition plate 10 and the connector housing 1. The utility model discloses well radiator body 4 and connector casing 1's joint can be after radiator body 4 and connector casing 1 inserted rotatory joint each other, and it is sealed fixed through sealed glue again with both, also can be set up matched with buckle and draw-in groove on radiator body 4 and the connector casing 1, perhaps other modes that can realize radiator body 4 and connector casing 1 joint. The utility model discloses connector casing 1, upper circuit board 2, lower floor's circuit board 3, parts such as radiator body 4 can be through integrative moulding plastics, the encapsulating, modes such as welding fasten, connector casing 1 includes matrix material and filler by thermal conductivity plastics [ thermal conductivity plastics principal components, matrix material includes PPS ((polyphenylene sulfide), PA6/PA66 (nylon 6/nylon 66), LCP (liquid crystal polymer), TPE (thermoplastic elastomer), PC (polycarbonate), PP (polypropylene), PPA (polyphthalamide), PEEK (polyether ether ketone) etc. the filler includes AlN, SiC, Al₂O₃Graphite, fibrous carbon powder with high thermal conductivity, scaly carbon powder with high thermal conductivity and the like]The heat sink body 4 is molded from a heat dissipating material.

Through the utility model discloses above-mentioned basic technical scheme's lamp stand, be connected connector casing 1 with lower floor's circuit board 3 after, with connector casing 1 joint to radiator body 4 on, be connected upper circuit board 2 and radiator body 4 again, and be connected upper circuit board 2 and lower floor's circuit board 3 electricity, lower floor's circuit board 3 is connected with the electric signal output device electricity, in use, as shown in fig. 5, set up light-emitting element 21 on upper circuit board 2, set up the electronic components 31 of control light-emitting element 21 and the electronic components 31 of other functions on lower floor's circuit board 3, the signal of telecommunication is imported lower floor's circuit board 3 from the electric signal output device, lower floor's circuit board 3 carries out logical operation according to the signal of telecommunication of input, transmit upper circuit board 2 again, the light-emitting element 21 on the control. At this time, the heat generated by the light emitting element 21 on the upper circuit board 2 can be directly transferred to the heat sink body 4 and diffused to the external environment from the heat sink body 4, and the heat generated by the electronic component 31 on the lower circuit board 3 can be transferred to the connector housing 1 and the heat sink body 4, so as to dissipate the heat at the same time, thereby reducing the temperature-resistant requirement of the electronic component 31.

As an embodiment of the present invention, as shown in fig. 5 and 10, a first groove 17 is disposed on the connector housing 1 and at one end of the heat sink body 4, a heat sink 18 is disposed in the first groove 17, and the heat sink 18 contacts the lower circuit board 3. The heat dissipation body 18 can increase the heat dissipation speed of the electronic component 31 on the lower circuit board 3, and preferably, the material of the heat dissipation body 18 can be aluminum with good heat dissipation performance.

The shape of the heat radiator 18 can be determined according to the heat distribution on the lower circuit board 3, and when the heat distribution on the lower circuit board 3 is uniform, the heat radiator 18 can be a block with flat upper and lower surfaces; when the heat generation amount of each electronic component 31 on the lower circuit board 3 is very different, which results in uneven heat distribution on the lower circuit board 3, the heat dissipation body 18 may be a special-shaped body with a flat upper surface and a plurality of heat dissipation columns 181 arranged on a lower surface, as shown in fig. 6, each heat dissipation column 181 is arranged below each heat generating electronic component 31, the length of each heat dissipation column 181 is different according to the heat generation amount of each electronic component 31, and the length of each heat dissipation column 181 is proportional to the heat generation power of the corresponding electronic component 31.

Further, a heat conductive adhesive is provided between the first groove 17 and the heat radiator 18 to further improve the heat radiation efficiency.

As an embodiment of the present invention, the first groove 17 can also be opened on one side (i.e. on the above-mentioned baffle 10) of the heat sink body 4 and the contact of the upper circuit board 2, the heat sink 18 is arranged in the first groove 17, the heat sink 18 contacts with the upper circuit board 2, the effect and the form of the heat sink 18 are the same as the effect and the form of the heat sink 18 arranged on the connector housing 1, and the description is omitted here.

As an embodiment of the present invention, as shown in fig. 5, the upper circuit board 2 and the lower circuit board 3 are electrically connected through the PIN 5 between the boards, and the lower circuit board 3 is electrically connected with the electrical signal output device through the PIN 6, so as to improve the efficiency of electrical signal transmission between the upper circuit board 2 and the lower circuit board 3, and between the lower circuit board 3 and the electrical signal output device. The length of the PIN PINs 5 between the boards is determined according to the distance between the upper circuit board 2 and the lower circuit board 3, and the number of the PIN PINs is set according to different control circuits.

The PIN PINs 5 and the connector PIN PINs 6 between boards can be made of metal inserts, such as tin bronze, the lower ends of the PIN PINs 5 and the middle parts of the connector PIN PINs 6 between boards being embedded in the connector housing 1. During processing, the inter-board PIN needles 5 and the connector PIN needles 6 are arranged in a mold of the connector shell 1 and then are injection molded together with the connector shell 1, so that certain binding force is formed among the inter-board PIN needles 5, the connector PIN needles 6 and the connector shell 1. However, because the structural space of the lamp holder is limited, the PIN 5 and the PIN 6 between the boards can only be made into straight rod-shaped structures, but can not be made into bent structures, and in the mounting process of the lamp holder, the PIN 5, the PIN 6 and the connector shell 1 between the boards are easy to loosen or even separate due to small binding force, so that potential safety hazards exist. In view of this, as shown in fig. 5 and 7, holes or grooves or notches or projections are provided in the portions of the board-to-board PIN PINs 5 and the connector PIN PINs 6 that are embedded in the connector housing 1. When the PIN needle 5 and the PIN needle 6 of the connector and the connector shell 1 are integrally molded, the injection molding material of the connector shell 1 can enter the hole or the groove or the notch (or the injection molding material is coated with the protrusion), and finally the injection molding material and the PIN needle 5 and the PIN needle 6 of the connector are integrally molded into a part, at the moment, along the extending direction of the PIN needle 5 and the PIN needle 6 of the connector between plates, the PIN needle 5 and the PIN needle 6 of the connector between plates are not only subjected to the wrapping force wrapped by the connector shell 1, but also subjected to the structural force generated by the injection molding material inside and outside the hole or the groove or the notch (or the protrusion generates the structural force on the injection molding material), so that the PIN needle and the groove are difficult to loosen, and the PIN needle can not. The structure of the PIN needle 5 and the PIN needle 6 between the boards is small and flexible, the PIN needle structure is not excessively increased in a limited space, the binding force between the PIN needle and the connector shell 1 can be greatly improved, and the PIN needle and the connector shell 1 can be effectively fixed.

Preferably, the shape of the hole may be a circular hole, a square hole, a kidney-shaped hole, or the like. As an embodiment of the present invention, the hole on the PIN 5 between the boards is the first through hole 51, the hole on the PIN 6 of the connector is the second through hole 61 (as shown in fig. 5), and the shapes of the first through hole 51 and the second through hole 61 may be the same or different.

Further, the PIN PINs 5 between the boards are respectively welded with the upper-layer circuit board 2 and the lower-layer circuit board 3, and the PIN PINs 6 of the connector are welded with the lower-layer circuit board 3. The firm connection of PIN needle 5, connector PIN needle 6 between the board avoids PIN needle and each part to form not hard up.

As an embodiment of the present invention, as shown in fig. 8 and 9, the connector housing 1 is provided with a first sealing surface 16 at the joint with the heat sink body 4, the heat sink body 4 is provided with a second sealing surface 45 at the joint with the connector housing 1, and the first sealing surface 16 is connected with the second sealing surface 45 in a sealing manner. The first sealing surface 16 and the second sealing surface 45 may be adhesively fixed and sealed by a sealant to enhance the sealing stability of the connector housing 1 and the heat sink body 4. Here, the sealant may be a sealant having only a sealing and bonding function, or a heat conductive adhesive having both a sealing and bonding function and a heat conductive function may be used according to the heat conductive requirement.

As an embodiment of the utility model, as shown in fig. 1, be equipped with locating hole 22 on upper circuit board 2, be equipped with reference column 43 on the radiator body 4, locating hole 22 and reference column 43 phase-match guarantee the position accuracy between upper circuit board 2 and the radiator body 4, and stable connection avoids taking place the phenomenon of dislocation.

As an embodiment of the present invention, as shown in fig. 9 and fig. 11, the circuit board avoiding groove 33 is disposed on the lower layer circuit board 3, the connector housing 1 and the one end of the heat sink body 4 are sequentially provided with the housing guide groove 11 and the housing limiting groove 14, the heat sink body 4 is provided with the fixing rib 44, the circuit board avoiding groove 33, the housing guide groove 11, the housing limiting groove 14 are all matched with the fixing rib 44, so that the lower layer circuit board 3 and the heat sink body 4 cannot interfere when the connector housing 1 and the heat sink body 4 are mounted, the fixing rib 44 on the heat sink body 4 rotates after passing through the housing guide groove 11 and reaching the housing limiting groove 14, so that the fixing rib 44 is clamped into the housing limiting groove 14, and the axial movement of the fixing rib 44 is limited, and the connector housing 1 is prevented from being separated from the lower side of the heat.

The substrates of the upper layer circuit board 2 and the lower layer circuit board 3 may be ceramic substrates, embedded ceramic substrates, or double-layer FR4 substrates, depending on the model and the amount of heat generated. As an embodiment of the present invention, as shown in fig. 5, an upper heat conducting glue 23 is disposed on a side surface of the upper circuit board 2 close to the heat sink body 4, and a lower heat conducting glue 32 is disposed on a side surface of the lower circuit board 3. Go up heat conduction glue 23 and adopt the heat conduction adhesive, realize between upper circuit board 2 and the radiator body 4 heat conduction and the fixed effect of bonding, lower heat conduction glue 32 on a side panel that lower floor's circuit board 3 is close to connector casing 1 can adopt the heat conduction adhesive, also can adopt ordinary heat conduction glue, lower heat conduction glue 32 on a side panel that lower floor's circuit board 3 is close to radiator body 4 adopts the higher ordinary heat conduction glue of heat conductivity, strengthen lower floor's circuit board 3 and connector casing 1, the heat transfer effect between the radiator body 4, improve radiating rate.

As an embodiment of the present invention, as shown in fig. 10 to 12, the first radiation fins 15 are provided on the side wall of the connector housing 1, and the second radiation fins 41 are provided on the side wall of the heat sink body 4. The first and second heat dissipation fins 15 and 41 can enlarge the heat dissipation area, enhance the heat dissipation effect, and enhance the strength of the lamp socket.

In a relatively preferred embodiment of the present invention, the lamp holder is assembled as shown in fig. 10-12, and the specific assembling process is as follows: integrally injection-molding the inter-board PIN needle 5, the connector PIN needle 6 and the connector shell 1, coating heat-conducting glue in a first groove 17 of the connector shell 1, and then installing a radiator 18 to form an assembly A; after the lower surface of the lower circuit board 3 is coated with the lower heat conducting glue 32, the PIN 5 and the PIN 6 between the boards penetrate through the welding holes on the lower circuit board 3, and the lower circuit board 3 is installed on the connector shell 1 of the assembly A and is tightly attached to the radiator. Firmly welding the PIN PINs 5 and the connector PIN PINs 6 between the lower circuit board 3 and the board by electric welding to form an assembly B; and (3) putting the assembly B into a radiator body 4, then carrying out glue filling between the plug-in shell 1 and the radiator body 4 to form lower heat-conducting glue 32, coating the lower surface of the upper circuit board 2 with upper heat-conducting glue 23, enabling the PIN needles 5 between the boards to penetrate through welding holes in the upper circuit board 2, installing the upper circuit board 2 on the radiator body 4, and then firmly welding the upper circuit board 2 and the PIN needles 5 between the boards to form an assembly C. When the LED lamp is used, the light-emitting element 21 is arranged on the upper-layer circuit board 2, the electronic element 31 for controlling the light-emitting element 21 and the electronic element 31 with other functions are arranged on the lower-layer circuit board 3, an electric signal is input to the lower-layer circuit board 3 from the electric signal output device, the lower-layer circuit board 3 carries out logic operation according to the input electric signal and then transmits the electric signal to the upper-layer circuit board 2 to control the light-emitting element 21 on the upper-layer circuit board 2, and meanwhile, the sealing ring 9 can be arranged on the radiator body 4 of the assembly C to form an assembly D shown in figure 1 and used for being connected with other.

As can be seen from the above description, the lamp socket of the present invention has the advantages of: on the first hand, the light-emitting element 21 is arranged on the upper circuit board 2, the electronic component 31 is arranged on the lower circuit board 3, and the light source electric board and the control electric board are arranged separately, so that the control electric board has a larger space, and the multifunctional control of the lamp holder is realized by conveniently arranging various electronic components 31, or the cost of the lamp holder can be reduced by arranging the electronic component 31 with low cost and large volume, so that the lamp holder has sufficient design allowance; in the second aspect, the heat generated by the light-emitting element 21 on the upper circuit board 2 is directly dissipated through the heat sink body 4, most of the heat generated by the electronic component 31 on the lower circuit board 3 is absorbed by the heat sink 18, and is finally dissipated through the connector shell 1 and the heat sink body 4, so that the temperature-resistant requirement of the electronic component 31 is greatly reduced, and the production cost can be further reduced; the upper layer circuit board 2 has good heat dissipation performance and larger heat dissipation redundancy, and can be used for arranging high-power light-emitting elements 21; in the third aspect, the heat radiator 18 contacting with the lower circuit board 3 and/or the upper circuit board 2 is additionally arranged on the connector shell 1 and/or the heat radiator body 4, so that the heat radiation speed of the lamp holder can be further increased; the heat dissipation body 18 may be a special-shaped body with a flat upper surface and a plurality of heat dissipation columns 181 arranged on a lower surface, each heat dissipation column 181 is arranged below each electronic component 31 which generates heat, and the length of each heat dissipation column 181 can be set according to the heat generation amount of each electronic component 31, so that the heat dissipation power of each electronic component 131 is basically consistent.

On the basis of the utility model discloses on the basis of foretell lamp stand, the utility model discloses the second aspect provides a lighting module, and this lighting module includes foretell lamp stand, is equipped with light-emitting component 21 on the upper circuit board 2, is equipped with electronic components 31 on the lower floor's circuit board 3. Depending on the design of the lighting module, a small number of electronic components may be provided on the upper circuit board 2 in addition to the light-emitting elements 21.

Further, as shown in fig. 13, the lighting module further includes a lamp body matching structure 7, the lamp body matching structure 7 is fixed on the lamp body and connected to the lamp socket, the heat sink body 4 is provided with a lamp socket fastening pin 42, and the lamp socket fastening pin 42 is matched with the lamp body matching structure 7 to connect the lamp socket and the lamp body matching structure 7. The shape and distribution of the lamp holder clamping pins 42 are different according to different types of lamp body matching structures 7, so that misassembly is prevented.

In order to meet the requirements of vibration regulations and realize firm installation of the lamp holder and the lamp body, the lamp holder clamping pins 42 need to have enough strength, and because the lamp holder clamping pins 42 are integrally formed on the radiator body 4, if the radiator body 4 is made of a metal material, the strength of the lamp holder clamping pins 42 can be ensured, but the weight of the lamp holder can be increased; when radiator body 4 material is thermal conductive plastic, lamp body weight can alleviate, but thermal conductive plastic intensity is not high, and at the assembly with lamp body cooperation structure 7 or in the lamp body use, lamp stand bayonet catch 42 has the risk of breaking. Therefore, as the utility model discloses an embodiment, lamp stand bayonet socket 42 and radiator body 4 are the integrative piece of double-colored injection moulding, and the material that heat conductivility is good can be chooseed for use to the material of radiator body 4, for example thermal conductive plastic, and the material that intensity is high can be chooseed for use to the material of lamp stand bayonet socket 42, for example 30% glass fibre reinforced polypropylene [ PP + 30% GF (glass fibre) ], like this, has both guaranteed the heat dispersion of radiator, has guaranteed lamp stand bayonet socket 42's mechanical properties again.

Further, in order to enhance the bonding strength between the two materials of the lamp holder clamping pin 42 and the heat sink body 4, the heat sink body 4 and the lamp holder clamping pin 42 are molded in a double-color manner to have various expression forms. It should be noted that, in fig. 15-21, the heat sink body 4 and the socket pins 42 are both integrally molded in two colors, and both are an integral piece, fig. 17, 19 and 21 are exploded schematic views for showing the combination form between the two, and the following description is based on the detailed structure description of the two under the condition of imaginary separation.

As a first expression, as shown in fig. 15, the heat sink body 4 is formed with a protrusion 46 protruding from a side surface of the heat sink body 4, a cavity capable of engaging with the protrusion 46 is formed inside the socket engaging pin 42, and an outer surface of the protrusion 46 is in full contact with an inner surface of the cavity.

As a second expression, as shown in fig. 16 and 17, an annular groove 47 is formed in the heat sink body 4, an annular flange 48 is formed in the annular groove 47 on the heat sink body 4, a second recess 49 capable of fitting into the heat sink body 4 is formed in the socket engaging pin 42, that is, the upper and lower surfaces of the annular flange 48 are in contact with the upper and lower surfaces of the second recess 49 of the socket engaging pin 4, respectively, and the lower surface of the socket engaging pin 42 is in contact with the lower surface of the annular groove 47 of the heat sink body 4.

Further, in order to enhance the bonding strength between the two materials of the heat sink body 4 and the socket pins 42, two through grooves 481 are formed on the annular flange 48, the first protrusions 410 capable of being inserted into the through grooves 481 are formed on the socket pins 42, and the outer surfaces of the first protrusions 410 are in contact with the inner surfaces of the through grooves 481.

As a third expression, as shown in fig. 18 and 19, the difference from the second expression is that four through grooves 481 are formed in the annular flange 48, four first protrusions 410 are formed in the socket pins 42, and the number of the through grooves 481 and the first protrusions 410 is increased to improve the bonding strength between the two materials of the socket pins 42 and the heat sink body 4.

As a fourth expression, as shown in fig. 20 and 21, it is different from the second expression in that a third recess 411 is formed in the annular groove 47, and accordingly, a second projection 412 capable of being inserted into the third recess 411 is formed inside the socket engaging pin 42, and an outer surface of the second projection 412 is capable of contacting an inner surface of the third recess 411 to further increase the bonding strength between the two materials of the socket engaging pin 42 and the heat sink body 4.

As an embodiment of the present invention, as shown in fig. 13, fig. 14, this lighting module further includes line terminal connector 8, the lamp stand is connected with line terminal connector 8, be equipped with mistake proofing structure 12 and anticreep buckle 13 on connector housing 1's the lateral wall, be equipped with mistake proofing spacing groove 81 and anticreep bayonet socket (not shown in the figure) on the line terminal connector 8, wherein, mistake proofing structure 12 and mistake proofing spacing groove 81 phase-match, anticreep buckle 13 and anticreep bayonet socket can prevent to produce when lamp stand and line terminal connector 8 cooperate and drop, mistake proofing structure 12 and mistake proofing spacing groove 81 can prevent that the lamp stand from inserting or not inserting to joining in marriage when cooperating with line terminal connector 8.

As an embodiment of the present invention, as shown in fig. 13, the one end of the heat sink body 4 connected to the lamp body fitting structure 7 is provided with a sealing ring 9, and the sealing ring 9 is in interference fit with the lamp body fitting structure 7, so as to ensure the sealing performance of the lighting module.

In the present invention, the third aspect of the present invention provides a vehicle including the above-mentioned lighting module. Therefore, the lamp holder at least has all the advantages brought by the technical scheme of the embodiment of the lamp holder and the lighting module, and the description is omitted.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide the technical solution of the present invention with a plurality of simple modifications, including combining each specific technical feature in any suitable manner, and in order to avoid unnecessary repetition, the present invention does not provide additional description for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims (23)

1. The lamp holder is characterized by comprising a connector shell (1) and a radiator, wherein the radiator comprises a radiator body (4), one end of the radiator body (4) is suitable for being clamped with one end of the connector shell (1), the connector shell (1) is nested in the radiator body (4), a lower circuit board (3) is arranged at one end, clamped with the radiator body (4), of the connector shell (1), and an upper circuit board (2) is arranged on the outer side of one end, clamped with the connector shell (1), of the radiator body (4); the upper layer circuit board (2) is electrically connected with the lower layer circuit board (3), and the lower layer circuit board (3) is electrically connected with an electric signal output device;

one end of the connector shell (1) connected with the radiator body (4) in a clamped mode and/or one side of the radiator body (4) contacted with the upper-layer circuit board (2) are/is provided with a first groove (17), a radiator (18) is arranged in the first groove (17), and the lower-layer circuit board (3) and/or the upper-layer circuit board (2) are/is contacted with the radiator (18).

2. A socket as claimed in claim 1, characterised in that the heat sink (18) is an aluminium heat sink.

3. The lamp socket according to claim 1, wherein the heat sink (18) is a block body with flat upper and lower surfaces; or

The upper surface of the heat dissipation body (18) is flat, and the lower surface of the heat dissipation body is provided with a plurality of heat dissipation columns (181).

4. A lamp holder as claimed in claim 1, characterized in that a thermally conductive glue is provided between the first recess (17) and the heat sink (18).

5. A lamp holder as claimed in any one of claims 1 to 4, wherein an upper heat-conducting glue (23) is provided on one side surface of the upper circuit board (2) close to the heat sink body (4), and a lower heat-conducting glue (32) is provided on both side surfaces of the lower circuit board (3).

6. A lampholder as claimed in any one of claims 1 to 4, characterized in that the connector housing (1) is provided with first cooling fins (15) on a side wall and the heat sink body (4) is provided with second cooling fins (41) on a side wall.

7. A lampholder as claimed in any one of claims 1 to 4, characterized in that the upper circuit board (2) and the lower circuit board (3) are electrically connected by an inter-board PIN (5), and the lower circuit board (3) and the electrical signal output means are electrically connected by a connector PIN (6).

8. The lampholder according to claim 7, characterized in that the board-to-board PIN PINs (5) and the connector PIN PINs (6) are metal inserts, the lower ends of the board-to-board PIN PINs (5) and the middle portions of the connector PIN PINs (6) are embedded in the connector housing (1), and the portions of the board-to-board PIN PINs (5) and the connector PIN PINs (6) embedded in the connector housing (1) are provided with holes, grooves, notches or protrusions.

9. A lampholder as claimed in claim 8, characterized in that the interplate PIN PINs (5) are soldered to the upper and lower circuit boards (2, 3), respectively, and the connector PIN PINs (6) are soldered to the lower circuit board (3).

10. A lamp holder as claimed in claim 8, characterized in that the hole is a round hole, a square hole or a kidney-shaped hole.

11. A socket according to any one of claims 1 to 4, wherein the connector housing (1) is provided with a first sealing surface (16) at the location of engagement with the heat sink body (4), and the heat sink body (4) is provided with a second sealing surface (45) at the location of engagement with the connector housing (1), the first sealing surface (16) being in sealing connection with the second sealing surface (45).

12. The lamp holder according to any one of claims 1 to 4, wherein a positioning hole (22) is formed on the upper circuit board (2), a positioning post (43) is formed on the heat sink body (4), and the positioning hole (22) is matched with the positioning post (43).

13. The lamp holder according to any one of claims 1 to 4, wherein a circuit board avoiding groove (33) is formed in the lower circuit board (3), a housing guide groove (11) and a housing limiting groove (14) are sequentially formed in one end of the connector housing (1) clamped with the heat sink body (4), a fixing rib (44) is formed in the heat sink body (4), and the circuit board avoiding groove (33), the housing guide groove (11) and the housing limiting groove (14) are matched with the fixing rib (44).

14. A lighting module, characterized in that, comprising the lamp socket according to any one of claims 1 to 13, the upper circuit board (2) is provided with light emitting elements (21), and the lower circuit board (3) is provided with electronic components (31).

15. The lighting module of claim 14, further comprising a lamp body engaging structure (7), wherein the lamp body engaging structure (7) is connected to the socket, and the heat sink body (4) is provided with a socket engaging pin (42), wherein the socket engaging pin (42) is matched with the lamp body engaging structure (7).

16. The lighting module of claim 15, wherein the heat sink body (4) and the socket pins (42) are a two-shot molded unitary piece.

17. The lighting module of claim 15, wherein the heat sink body (4) is provided with a protrusion (46) protruding from a side surface of the heat sink body (4), and a cavity capable of being engaged with the protrusion (46) is provided inside the socket locking pin (42) of the socket.

18. The lighting module of claim 15, wherein the heat sink body (4) is provided with an annular groove (47), the heat sink body (4) is provided with an annular flange (48), and the socket pins (42) are provided with second grooves (49) capable of being embedded into the heat sink body (4).

19. The lighting module according to claim 18, wherein the annular flange (48) is provided with at least one through slot (481), and the socket engaging pin (42) is provided with a first protrusion (410) capable of being inserted into the through slot (481).

20. The lighting module as claimed in claim 18, wherein a third recess (411) is provided in the annular groove (47), and a second projection (412) capable of being inserted into the third recess (411) is provided on the inner side of the socket engaging pin (42).

21. The lighting module of claim 15, wherein a sealing ring (9) is disposed at an end of the heat sink body (4) connected to the lamp body fitting structure (7), and the sealing ring (9) is in interference fit with the lamp body fitting structure (7).

22. The lighting module according to claim 14, further comprising a wire end connector (8), wherein the wire end connector (8) is connected to the socket, the sidewall of the connector housing (1) is provided with a mistake-proof structure (12) and an anti-drop buckle (13), the wire end connector (8) is provided with a mistake-proof limiting groove (81) and an anti-drop bayonet, the mistake-proof structure (12) is matched with the mistake-proof limiting groove (81), and the anti-drop buckle (13) is matched with the anti-drop bayonet.

23. A vehicle, characterized in that it comprises a lighting module according to any one of claims 14 to 22.

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