CN205424438U - LED module and LED point source lamp utensil - Google Patents

Abstract

The utility model provides a LED module and LED point source lamp utensil, the LED module, it includes one or more installs the LED chip on the independent metal surface of silicon substrate, the silicon substrate is installed on a midplane who has indent reflection of light surface metal heat dissipation base, the LED chip passes through the gold thread and connects and pass through the surface that lead bonding arrived metal pin -attached, metal pin -attached pass through the electric insulation layer with metal heat dissipation base is insulating, the LED point source lamp utensil, it includes an extrusion's notched cylindrical case, its inside inside spin that contains mountable LED module, one has the external screw thread and includes the LED module of first and second contact mats, it has rational in infrastructurely, compact, and convenient to use is reliable, and especially the radiating effect is good, improves luminous efficacy, and increase of service life increases the characteristics such as application range of product.

Description

LED module and LED point light source light fixture

Technical field

The utility model relates to a kind of LED module and LED point light source light fixture, a kind of high efficiency and heat radiation and highly integrated special LED module and highly integrated LED down apply the point source light fixture of AS-LED module with other, belong to LED technology field.

Background technology

Known existing great power LED is made up of the optical glass of the one or more LED chip being installed on substrate and one or more covering LED chip, and wherein substrate can be metal-core printed circuit board (MCPCB) or ceramic printed-circuit board (generally comprising the electric insulation layer of 0.1 millimeters thick).These high-power LED encapsulation being adhered to also have in another one MCPCB of the electric insulation layer of 0.1 millimeters thick；Finally it is secured to a fin and generally has further below on the Edison-type screw screw-in pedestal of other set plastics or glass lens.

The typical manufacture of existing LED module is to adhere on another MCPCB by packaged LED, being fixed on a casting metal fin having Additional optical lens combination, the purposes finally according to design requires to be installed to generally to have in the shell of one or more lens or reflector again.

The manufacture of current LED down generally has two kinds of ways: one is Edison-type screw to screw in LED lamp be arranged in tradition Down lamp, and another is to be fixed in Down lamp by high-power LED module.

Additional insulating barrier and optical lens system can reduce heat dispersion and the light output of existing LED point light source light fixture, and the most existing LED module is difficult to change.

Summary of the invention

The purpose of this utility model is the deficiency overcoming prior art to exist, and provides a kind of by by optics, and machinery and cooling system are integrated in a LED module, such that it is able to remove the LED module of unnecessary electric insulation layer, reflecting mirror and optical lens system.This integrated meeting makes the heat radiation of the LED module heat dissipation design by pedestal, and fringing and the extruded aluminium fin shell of module are carried out, and wherein extruded aluminium surgeon's needle needs two adjustable contact points to the heat radiation of different LED configurations；This design also can allow manufacture simpler, and LED module becomes replaceable.

This utility model another one utility model purpose is just to provide Down lamp and other LED point light source light fixture of a kind of integrated LED modules and flange-cooled cylindrical case；So shell has just had the function of fin, it is no longer necessary to be joined together by the assembly that two independent；So can manufacture shell by one piece of reeded extruded aluminium, just can secure a lamp on ceiling with a plastic stent.This integration mode makes the efficient Down lamp of minimum by utility model out.Compared with extruded aluminium, existing cast aluminium down lamp causes thermal conductivity low due to the impurity in cast aluminium and cavity, and additionally extruded aluminium can use anodized finish, and cast aluminium can only use paint, and the thermal conductivity painted is lower.

Another utility model purpose of the present utility model is to provide LED down and other point source light fixture of an angle adjustable；The fin shell of integrated AS-LED module can remain and the contacting of cylindrical case while rotating, and so cylindrical case can also be used as other fin.

The purpose of this utility model completes by following technical solution, a kind of LED module, it includes one or more LED chip being arranged on silicon substrate independent metal surface, and described silicon substrate is arranged on a central plane with indent reflecting surface heat dissipation metal pedestal；LED chip is connected by gold thread and passes through the wire bonding surface to metal pins；Described metal pins is insulated with described heat dissipation metal pedestal by electric insulation layer.

As preferably: described LED chip gold-tin alloy or soldering paste or heat-conducting cream or conductive and heat-conductive cream are arranged on the metal surface of described silicon substrate independence；Described heat dissipation metal pedestal also comprises the cincture step of a projecting base plane, and is mounted with the glass lens for output beam rise on step；At the described recessed or non-recessed heat dissipation metal pedestal back side, printed circuit board (PCB) is installed；Offer on heat dissipation metal pedestal one or more for metal pins from the through hole being above branched to below.

As preferably: the space between described LED chip and glass lens is filled with the optical material thin layer of curable silica gel and constitutes a single lens systems；The surface-coated of LED chip or glass lens has fluorescent material；The external screw thread for connecting fin, reflector, diffusing globe it is provided with on heat dissipation metal pedestal；Described heat dissipation metal pedestal is provided with the thick electric insulation layer of one layer of 0.0001mm；It is connected with the metal pins being welded on printed circuit board (PCB) finish line by wire bonding with multiple LED chip that serial or parallel connection form is inline, or uses the flip-chip that need not wire bonding.

A kind of LED point light source light fixture utilizing described LED module to make, it includes an extruded reeded cylindrical case, and it is internal containing installing internal coiling of LED module, and one with external screw thread the LED module that includes the first and second engagement pads；It also includes that one is installed to support and the remote LED driving of ceiling equipped with thermal cut-off and the circuit board of branch protection device and；First side of described circuit board is welded with the contact element of two such as spring compositions, and described contact element is connected with the engagement pad of LED module；Second side of described circuit board is welded with two electric wires, and wherein an electric wire is connected to include the external power source that remote LED drives, and another electric wire is connected to described thermal cut-off.

Preferred as one: described cylindrical case also includes a reeded urceolus and a reeded inner core, it is connected by multiple axial supports between described urceolus and inner core, described LED module is placed in reeded inner core, and described reeded inner core is made into concave shape.

Preferred as one: described cylindrical case also includes: to have between the rotatable spherical housing portion of female thread and inner cylindrical portion, and spherical housing portion and inner cylindrical portion and be connected at least through an axial support；Described LED module is connected with carrying female spherical shell by screw thread, and the depression that housing portion is formed with inner cylindrical portion can make the spherical shell of embedding the most also keep contacting with cylindrical case.

Preferred as one: to apply tension force when described support is included in support and light fixture puts in place and clamp the movable teeth of light fixture and back brace in place is installed carries the movable teeth of whole support on the ceiling；Described cylindrical case is cut with multiple vent along groove, and each cylindrical case the inner is provided with at least one LED module by screw thread.

Preferred as one: to be arranged at intervals with, between groove and the groove of described cylindrical case, the groove joint being connected together with another cylindrical case, and make multiple light fixture can form various shape；Described cylindrical case stretches out the supporting leg for installation into wall or ground from side；It is also equipped with on cylindrical case only covering sealing cap or the sealing cap covered after whole shell can being installed when not installing second LED module of inner core；Described LED module is at the glass lens seal glass sheet being connected with module reflector installed above；The installation that described LED module and PC light fixture and remote LED drive uses the connecting line and Wiring connector installed according to National Electrical standard code (NEC).

Preferred as one: in described multiple light fixtures, the line of first light fixture drives with remote LED respectively and second light fixture is connected, second light fixture is connected with first and the 3rd light fixture respectively, and by that analogy, to the last a light fixture drives with second from the bottom and remote LED and is connected；Described remote LED drive installation is in the standard box switch of NEC certification, and described LED drives to be arranged and is arranged on the close LED lamp position assembled.

The features such as compared with prior art, it has rational in infrastructure, compact this utility model, easy to use and reliable, especially good heat dissipation effect, improves luminous efficiency, the range of the increase product that increases the service life.

Accompanying drawing explanation

Fig. 1 is the layout top view of LED module described in the utility model.

Fig. 2 is a schematic cross-section of LED module described in the utility model.

Fig. 3 is another schematic cross-section of LED module described in the utility model.

Fig. 4 be LED module described in the utility model have a schematic cross-section.

Fig. 5 is the perspective view of an example Down lamp described in the utility model.

Fig. 6 is the exploded view of an example Down lamp described in the utility model.

Fig. 7 is the perspective view of another example LED down described in the utility model.

Fig. 8 is the exploded view of another example LED down described in the utility model.

Fig. 9 is the perspective view of another adjustable LED Down lamp example described in the utility model.

Figure 10 is the exploded view of another adjustable LED Down lamp example described in the utility model.

Figure 11 is the perspective view of three connected LED down embodiment layouts described in the utility model.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in detail: shown in Fig. 1-4, a kind of LED module described in the utility model, it includes one or more LED chip being arranged on silicon substrate independent metal surface, and described silicon substrate is arranged on a central plane with indent reflecting surface heat dissipation metal pedestal；LED chip is connected by gold thread and passes through the wire bonding surface to metal pins；Described metal pins is insulated with described heat dissipation metal pedestal by electric insulation layer.

LED chip gold-tin alloy described in the utility model or soldering paste or heat-conducting cream or conductive and heat-conductive cream are arranged on the metal surface of described silicon substrate independence；Described heat dissipation metal pedestal also comprises the cincture step of a projecting base plane, and is mounted with the glass lens for output beam rise on step；At the described recessed or non-recessed heat dissipation metal pedestal back side, printed circuit board (PCB) is installed；Offer on heat dissipation metal pedestal one or more for metal pins from the through hole being above branched to below.

Space between LED chip described in the utility model and glass lens is filled with the optical material thin layer of curable silica gel and constitutes a single lens systems；The surface-coated of LED chip or glass lens has fluorescent material；The external screw thread for connecting fin, reflector, diffusing globe it is provided with on heat dissipation metal pedestal；Described heat dissipation metal pedestal is provided with the thick electric insulation layer of one layer of 0.0001mm；It is connected with the metal pins being welded on printed circuit board (PCB) finish line by wire bonding with multiple LED chip that serial or parallel connection form is inline, or uses the flip-chip that need not wire bonding.

Shown in Fig. 5-8, a kind of LED point light source light fixture utilizing LED module described in claim 1 or 2 or 3 to make described in the utility model, it includes an extruded reeded cylindrical case, it is internal containing installing internal coiling of LED module, and one with external screw thread the LED module that includes the first and second engagement pads；It also includes that one is installed to support and the remote LED driving of ceiling equipped with thermal cut-off and the circuit board of branch protection device and；First side of described circuit board is welded with the contact element of two such as spring compositions, and described contact element is connected with the engagement pad of LED module；Second side of described circuit board is welded with two electric wires, and wherein an electric wire is connected to include the external power source that remote LED drives, and another electric wire is connected to described thermal cut-off.

Cylindrical case described in the utility model also includes a reeded urceolus and a reeded inner core, it is connected by multiple axial supports between described urceolus and inner core, described LED module is placed in reeded inner core, and described reeded inner core is made into concave shape.

Cylindrical case described in the utility model also includes: has between the rotatable spherical housing portion of female thread and inner cylindrical portion, and spherical housing portion and inner cylindrical portion and is connected at least through an axial support；Described LED module is connected with carrying female spherical shell by screw thread, and the depression that housing portion is formed with inner cylindrical portion can make the spherical shell of embedding the most also keep contacting with cylindrical case.

Apply tension force when support described in the utility model is included in support and light fixture puts in place clamp the movable teeth of light fixture and back brace in place is installed carries the movable teeth of whole support on the ceiling；Described cylindrical case is cut with multiple vent along groove, and each cylindrical case the inner is provided with at least one LED module by screw thread.

It is arranged at intervals with, between groove and the groove of cylindrical case described in the utility model, the groove joint being connected together with another cylindrical case, and makes multiple light fixture can form various shape；Described cylindrical case stretches out the supporting leg for installation into wall or ground from side；It is also equipped with on cylindrical case only covering sealing cap or the sealing cap covered after whole shell can being installed when not installing second LED module of inner core；Described LED module is at the glass lens seal glass sheet being connected with module reflector installed above；The installation that described LED module and PC light fixture and remote LED drive uses the connecting line and Wiring connector installed according to National Electrical standard code (NEC).

In multiple light fixture described in the utility model, the line of first light fixture drives with remote LED respectively and second light fixture is connected, second light fixture is connected with first and the 3rd light fixture respectively, and by that analogy, to the last a light fixture drives with second from the bottom and remote LED and is connected；Described remote LED drive installation is in the standard box switch of NEC certification, and described LED drives to be arranged and is arranged on the close LED lamp position assembled.

This utility model can design in several ways, include but not limited to, two or more shells connect together formation wall lamp, mounting bracket and lid form Landscape Lamp, independent or packet is hung shell and is formed pendent lamp, multiple shells combination formation group or formation definite shape are as high-power or high pressure pendent lamp, and multiple shells are assembled into difformity and form high-power or high pressure street lamp.

Embodiment:

Fig. 1 shows the top view example 1 of an AS-LED module placement, comprises the multi views of an embodiment LED chip 11.Shown AS-LED module 1 has 7 chips 11, is arranged on the independent metal surface 12 of silicon substrate 14.Although have employed the module of 7 chips 11 as example, it should be noted that this patent is also suitable the situation of more or less chip.Such as, AS-LED module can be with only one of which LED chip 11.Silicon substrate 14 is arranged in the plane 101 of cooling base 100-1.LED chip is connected by gold thread 15, and then wire bonding is to the surface 201 of metal pins, and metal pins 200 is after cooling base 100-1 is branched off into previously by hole.

Fig. 2 shows a sectional view example of AS-LED module 1, and a LED chip 11 part diagram being installed to independent metal surface 12 on silicon substrate 14 in more detail.Silicon substrate is then installed in the plane 101 of cooling base 100-1.LED chip 11 by gold thread 15 serial or parallel connection, then wire bonding to by electric insulation layer 13 with on the surface 201 of the metal pins 200 of cooling base 100-1 insulation.Electric insulation layer 13 about 0.0001mm is thick (this utility model is also suitable thicker or thinner situation).Fluorescent material 10 is coated in LED chip 11.One glass lens 300 is seated on the step 102 of cooling base 100-1 inner surface.Optical material 16 is filled in the space between glass lens 300 and LED chip 11.Sunk surface [103] and metal surface [12] are all used to reflect light.It is installed to the galley (PCB) 400 of flat surfaces 104, has two for the pad 401,402 welding metal pins 200.There is optional screw thread [106] outside of heat dissipation base 100-1.

Fig. 3 shows the sectional view of AS-LED module 2 example, and the more detailed part diagram of another embodiment.One or more LED chip 11 are installed on independent metal surface 12 on a silicon substrate.Silicon substrate is then installed on the flat surfaces 101 of cooling base 100-2.Electric insulation layer 13 is the thinnest, such as, constituted insulating barrier by a thin layer SiO2 or Si3N4, then the thickness of electric insulation layer is just at about 100nm.

LED chip 11 by gold thread 15 serial or parallel connection, then wire bonding in hole 105 through on the surface 201 of the metal pins 200 of cooling base 100-2.Fluorescent material 10 is coated in LED chip 11.One glass lens 300 is seated on the step 102 of cooling base 100-2 inner surface.Optical material 16 is filled in the space between glass lens 300 and LED chip 11.Heat dissipation base 100 also includes the reflector 103 of an indent, and has the broader periphery of front surface 107 and rear surface 108.Although not drawing, cooling base 100-2 also can comprise screw thread (similar with shown in Fig. 2).The threaded portion carried may be similar to the wider periphery girth of surrounding, or has different girth.It is installed to the 400 of flat surfaces 104, has two for the pad 401,402 welding metal pins 200.

Fig. 4 shows the sectional view of an embodiment AS-LED3 module, and the more detailed part diagram of another embodiment.One or more LED chip 11 are installed on independent metal surface 12 on a silicon substrate.Silicon substrate is then installed on the flat surfaces 101 of cooling base 100-2.Electric insulation layer 13 is the thinnest.LED chip 11 is by gold thread 15 serial or parallel connection, and then wire bonding is to the surface 201 of the metal pins 200 passing cooling base 100-2 in hole 105.Fluorescent material 10 is coated in LED chip 11.Glass lens 300 is seated on the step 102 of cooling base 100-3 inner surface.Optical material 16 is filled in the space between glass lens 300 and LED chip 11.Heat dissipation base 100-3 also includes the broader periphery of front surface 107 and rear surface 108.It is installed to the printed circuit board (PCB) (PCB) 400 of flat surfaces [104], has two for the pad 401,402 welding metal pins 200.

FI Fig. 5 and Fig. 6 is respectively an example Down lamp module 590, perspective and exploded view.The external screw thread 106 of AS-LED module 1 matches with the female thread 501 of the cylindrical case 500 of lighting module 590.Cylindrical case 500 is made up to increase the heat radiation to fin of the extruding metal of fluted 502.The groove 502 of cylindrical case [500] can be made given shape and form tenon 503 groove 504 joint with another cylindrical case.Lamp module [590] also includes a bar printing plate (PCB) 505, and two contact elements 506,507, such as spring have been welded in first side of PCB, are connected with the engagement pad 401,402 of AS-LED module 1, and electric wire 508,509 has been welded in second side of PCB.Article one, line 509 can be used for being connected to an external power source (such as remote LED driver 1000), and another 508 can connect thermal cut-off 510.There is external screw thread 512 to match with the female thread 513 of cylindrical case above optional tail-hood 511, and may be mounted to tubbiness shell and there is no the other end of AS-LED module 1.The optional fringing 514 of lighting module 590 can be placed between cylindrical case 500 and AS-LED module 1.Plastic stent can be used during use the lightest Down lamp module to be installed on ceiling.

Fig. 7 and Fig. 8 is respectively perspective and the exploded view of another example LED down.The external screw thread 106 of AS-LED module 1 matches with the female thread 601 of the reeded inner core 617 of the cylindrical case 600 of lighting module 690.The cylindrical case 600 of lighting module 690 is made up of reeded urceolus 618 and reeded inner core 617, axially supports 619 by minimum of one and be connected, to expand diffusion sheet area between inner/outer tube.Cylindrical case can select the groove of cylindrical case 600 is made tenon 603 groove 604 adapter system that given shape is formed between multiple lamp outer casing.Lamp module 690 also includes that two contact elements 606,607, such as spring have been welded in first side of a piece of PCB605, PCB, is connected with the engagement pad 401,402 of AS-LED module 1, and electric wire 608,609 has been welded in second side of PCB.Wherein a line can be used for being connected to an external power source (such as remote LED driver).Optional tail-hood 611 can be matched with cylindrical case by the rivet on screw thread 612 or other end AS-LED module 1.The optional fringing 614 of lighting module 690 can be placed between cylindrical case 600 and AS-LED module 1.Metal rack 615 can be used during use the lightest Down lamp module 690 to be installed on ceiling.

Fig. 9 and Figure 10 is respectively perspective and the exploded view of another adjustable LED Down lamp example.The external screw thread 106 of AS-LED module 1 matches with the female thread 701 of spherical shell 702.Cylindrical case 700 is made up of reeded urceolus 703 and extruding metal inner core 617.Pass through axially to support 705 outside interior 704 between 703 connected.It is constructed to embed the size and shape of spherical shell 720 in conjunction with urceolus 703 and inner core 704, the depression 721 formed can make the spherical shell 720 of embedding the most also keep contacting with cylindrical case, spherical shell 720 so can be made to remain with cylindrical case 700 and contact to promote effectively heat radiation.The pattern adjusting the formation of barrel shrond 700 upper groove 702 can be selected to promote heat radiation.Two contact elements 706,707, such as spring have been welded in first side of PCB705, are connected with the engagement pad 401,402 of AS-LED module 1, and electric wire 708,709 has been welded in second side of PCB.Can be used for being connected to an external power source (such as remote LED driving).Identical with upper example, wherein an electric wire 708,709 can connect thermal cut-off.One optional tail-hood 711 is placed on cylindrical case 700 by the screw 712 on the spherical shell of the other end 720.The optional fringing 514 of lighting module 590 can be placed between cylindrical case 500 and AS-LED module 1.One ornamental cover plate 714 is connected with the external screw thread 713 of cylindrical case 700 by screw thread and is pressed on the spherical shell 720 containing AS-LED module 1 use support 715 and can be installed on ceiling by the lightest Down lamp.

Figure 11 is the perspective view of three connected LED down embodiment layouts.Three fully assembled light fixture A as illustrated in Figures 5 and 6, B, C drive 1000 to be connected with remote LED.It is noted that any light fixture described above can use this or other configuration mode.Visible three light fixture A in figure, the shell 500 of B, C, plastics ceiling mount 515, decorative cushion ring 514 and AS-LED module 1.According to national standard electrician's code (NEC), wiring and Wiring connector are installed.The line 508-A of lamp A is connected to LED remote boot server 1000, and line 509-A is connected to the line 508-B of lamp B.Lamp B is connected by the line 509-A of line 508-B and lamp A, is connected by the 508-C of line 509-B with lamp C.Lamp C is connected by the 509-B of line 508-C and lamp B, is connected by line 509-C and LED remote boot server 1000.Three light fixtures use series connection in this figure.It is noted that light fixture may be used without the form of parallel connection.Remote LED drives 1000 to be arranged in the standard box switch of NEC certification.For reducing the power consumption of electric wire, LED to be made drives as far as possible close to LED lamp A assembled, B, C.

Function described above and following notice can combine without departing from this patent scope with arbitrary form.Example below illustrates some combination examples:

(A1) lamp module may include that (1) reeded cylinder or non-cylindrical extruding metal shell；(2) the special LED module (AS-LED) being arranged in shell.Module has first and second liang of set contact plates；(3) print circuit Slab element.

(B1) in lighting module described in A1, first of printed circuit board can be connected with two set engagement pads respectively containing (a) two set contact assembly.And/or (b) second bread is containing branch protection device and both threads, wherein one is integrated with thermal cut-off.

(C1) in the described lighting module of (A1)-(B1), lamp module can comprise the ornamental fringing being arranged between shell and AS-LED module.

(D1) in the described lighting module of (A1)-(C1), lamp module can comprise for ceiling mounted support.

(E1) in the described lighting module of (A1)-(D1), light fixture can comprise remote LED and drive.

(F1) in the described lighting module of (A1)-(E1), AS-LED module can include one or more: (a) has the cooling base of concave reflective surfaces；B () is arranged on the base on heat dissipation base；C () LED chip is connected with one or more metal pins and is arranged on base；Metal pins is connected on the PCB of AS-LED module and is each passed through respective hole on cooling base；D () covers the optical material in LED chip；(e) optical lens near the bottom reflecting concave surface it is placed in heat dissipation metal base step.

(G1) in (F1) described lighting module, LED chip can comprise the multiple LED chip being arranged on base, and each LED chip is arranged on base relatively independent region and is connected with another LED chip by connecting assembly.

(H1) in the described lighting module of (F1)-(G1), base can be made up of silicon.

(I1) in the described lighting module of (A1)-(H1), shell can comprise a reeded urceolus and a reeded inner core, and both are connected by axially supporting.AS-LED module is placed in reeded inner core.

(J1) in (I1) described lighting module, reeded cylinder can make indent.

(K1) in the described lighting module of (I1)-(J1), module can comprise the lid being arranged on reeded inner core.

(L1) in the described lighting module of (I1)-(J1), module can comprise the lid being arranged on reeded urceolus.

(M1) in the described lighting module of (A1)-(H1), shell comprises the steps that (a) female spherical housing portion is connected by least one axial support with outer cylinder portion with (b) inner cylindrical portion；Being constructed to embed the size and shape of spherical shell in conjunction with urceolus and inner core, the depression formed can make the spherical shell of embedding the most also keep contacting with cylindrical case；AS-LED module is attached thereto by the internal coiling of spherical shell.

(N1) in (M1) described lighting module, module includes that an ornamental cover plate is attached thereto and covers a part of spherical shell by the screw thread of urceolus.

(O1) in the described lighting module of (M1)-(N1), module can comprise the lid being arranged on inner cylindrical portion.

(P1) in the described lighting module of (M1)-(N1), module can comprise the lid being arranged on outer cylinder portion.

(Q1) in the described lighting module of (A1)-(H1), module can comprise and is arranged on AS-LED module relative on the shell of position；

(R1) in the described lighting module of (A1)-(Q1), shell can have the vent cut along groove.

(S1) in the described lighting module of (A1)-(H1), shell can have groove joint to connect multiple Down lamp modules.

(T1) in the described lighting module of (I1)-(J1), reeded urceolus shell can have groove joint to connect multiple lighting modules.

(U1) in the described lighting module of (M1)-(N1), outer cylinder portion can have groove joint to connect multiple lighting modules.

(V1) in the described lighting module of (F1)-(U1), cooling base can comprise external screw thread.

(W1) in the described lighting module of (F1)-(V1), AS-LED module can comprise the glass lens of the sealing being connected with reflector in the position different from optical glass.

(X1) in the described lighting module of (F1)-(W1), the base part of cooling base can be wider than the reflecting surface of depression.

(Y1) in (X1) described lighting module, cooling base can have the peripheral part wider than the reflecting surface of depression.

(Z1) in the described lighting module of (D1)-(Y1), support can comprise by applying the tension force movable teeth with fixing light fixture to peripheral parts.

(A2) in the described lighting module of (A1)-(Z1), also include being coupled the multiple lighting modules described in (A1)-(Z1), series connection and or compose in parallel a lighting module

(B2) in (A2) described lighting module, multiple lighting modules are linked together by the groove joint on each lamp module shell.

In the above-described embodiments, can change without departing from the range of this utility model.It should be noted that the content interior the most shown in the drawings described in described above should be interpreted illustrative and not restrictive.The purpose of following claims is to contain all generic and specific functions described herein, and can be referred to as all statements being included in the range of system and method in terms of language.

Claims (9)

1. a LED module, it includes one or more LED chip being arranged on silicon substrate independent metal surface, it is characterised in that described silicon substrate is arranged on a central plane with indent reflecting surface heat dissipation metal pedestal；LED chip is connected by gold thread and passes through the wire bonding surface to metal pins；Described metal pins is insulated with described heat dissipation metal pedestal by electric insulation layer.

LED module the most according to claim 1, it is characterised in that described LED chip gold-tin alloy or soldering paste or heat-conducting cream or conductive and heat-conductive cream are arranged on the metal surface of described silicon substrate independence；Described heat dissipation metal pedestal also comprises the cincture step of a projecting base plane, and is mounted with the glass lens for output beam rise on step；At the described heat dissipation metal pedestal back side, printed circuit board (PCB) is installed；Offer on heat dissipation metal pedestal one or more for metal pins from the through hole being above branched to below.

LED module the most according to claim 2, it is characterised in that the space between described LED chip and glass lens is filled with the optical material thin layer of curable silica gel and constitutes a single lens systems；The surface-coated of LED chip or glass lens has fluorescent material；The external screw thread for connecting fin, reflector, diffusing globe it is provided with on heat dissipation metal pedestal；Described heat dissipation metal pedestal is provided with the thick electric insulation layer of one layer of 0.0001mm；It is connected with the metal pins being welded on printed circuit board (PCB) finish line by wire bonding with multiple LED chip that serial or parallel connection form is inline, or uses the flip-chip that need not wire bonding.

4. one kind utilizes the LED point light source light fixture that LED module described in claim 1 or 2 or 3 is made, it is characterized in that it includes an extruded reeded cylindrical case, it is internal containing installing internal coiling of LED module, and one with external screw thread the LED module that includes the first and second engagement pads；It also includes that one is installed to support and the remote LED driving of ceiling equipped with thermal cut-off and the circuit board of branch protection device and；First side of described circuit board is welded with the contact element of two such as spring compositions, and described contact element is connected with the engagement pad of LED module；Second side of described circuit board is welded with two electric wires, and wherein an electric wire is connected to include the external power source that remote LED drives, and another electric wire is connected to described thermal cut-off.

LED point light source light fixture the most according to claim 4, it is characterized in that described cylindrical case also includes a reeded urceolus and a reeded inner core, it is connected by multiple axial supports between described urceolus and inner core, described LED module is placed in reeded inner core, and described reeded inner core is made into concave shape.

LED point light source light fixture the most according to claim 4, it is characterised in that described cylindrical case also includes: have between the rotatable spherical housing portion of female thread and inner cylindrical portion, and spherical housing portion and inner cylindrical portion and be connected at least through an axial support；Described LED module is connected with carrying female spherical shell by screw thread, and the depression that housing portion is formed with inner cylindrical portion can make the spherical shell of embedding the most also keep contacting with cylindrical case.

LED point light source light fixture the most according to claim 4, it is characterised in that apply tension force when described support is included in support and light fixture puts in place and clamp the movable teeth of light fixture and install back brace in place and carry the movable teeth of whole support on the ceiling；Described cylindrical case is cut with multiple vent along groove, and each cylindrical case the inner is provided with at least one LED module by screw thread.

8. according to the LED point light source light fixture described in claim 5 or 6 or 7, it is characterised in that be arranged at intervals with, between groove and the groove of described cylindrical case, the groove joint being connected together with another cylindrical case, and make multiple light fixture can form various shape；Described cylindrical case stretches out the supporting leg for installation into wall or ground from side；It is also equipped with on cylindrical case only covering sealing cap or the sealing cap covered after whole shell can being installed when not installing second LED module of inner core；Described LED module is at the glass lens seal glass sheet being connected with module reflector installed above；Installing that described LED module and PC light fixture and remote LED drive uses the connecting line and Wiring connector installed according to National Electrical standard code NEC.

LED point light source light fixture the most according to claim 8, it is characterized in that in described multiple light fixtures, the line of first light fixture drives with remote LED respectively and second light fixture is connected, second light fixture is connected with first and the 3rd light fixture respectively, by that analogy, to the last a light fixture is connected with second from the bottom and remote LED driving；Described remote LED drive installation is in the standard box switch of NEC certification, and described LED drives to be arranged and is arranged on the close LED lamp position assembled.