CN209655067U - A kind of LED illumination lamp - Google Patents

Abstract

The utility model provides a kind of LED illumination lamp, includes lamp housing and the luminescence component that is arranged on the lamp housing；There is an electrical chamber on the lamp housing, it is described it is electrical it is intracavitary be additionally provided with electric component, and the electric component is connect with the luminescence component by electric wire；The electrical intracavitary installation and positioning structure being additionally provided with for the electric component and electric wire to be fixedly mounted.LED illumination lamp provided by the utility model is disposed with installation and positioning structure electrically intracavitary, without being positioned manually, so as to realize the automation installation of electric component and electric wire, to improve production efficiency.

Description

A kind of LED lighting fixture

technical field

The utility model relates to the technical field of lighting devices, in particular to an LED lighting fixture.

Background technique

With the international community's restrictions on carbon emissions and the advocacy of energy conservation and emission reduction, people are looking for alternative light sources, and LED light sources have become the object of exploration. LED lamps have the advantages of energy saving, long life, good applicability, short response time, environmental protection, gorgeous colors, and pure luminous colors. They are the development direction of the lamp industry.

The existing LED lamps are basically assembled manually, and each link requires a lot of manpower, which is time-consuming and costly. Therefore, automatic assembly has become a development trend in the LED lighting industry, which can not only improve assembly efficiency, but also save labor costs.

Utility model content

In order to solve the problems in the background technology, the utility model provides an LED lighting fixture, which includes a lamp housing and a light-emitting assembly arranged on the lamp housing; the lamp housing has an electrical cavity, and the electrical cavity An electrical component is also provided, and the electrical component is connected to the light-emitting component through wires; an installation and positioning structure for fixedly installing the electrical component and the wire is also provided in the electrical cavity.

Preferably, the lamp housing is a die-casting part, and the installation and positioning structure is integrally formed with the lamp housing.

Preferably, the electrical component includes a power supply, and a power supply installation and positioning structure is arranged in the electrical cavity; the power supply installation and positioning structure is a plurality of first threaded columns, which are used to fix different types of power supplies; the power supply passes through A screw is mounted to the first threaded post.

Preferably, the electrical component includes a wiring structure, and the electrical cavity is provided with a wiring structure installation and positioning structure; the wiring structure installation and positioning structure is a plurality of second threaded posts; the left and right sides of the second threaded posts Protruding positioning structures are respectively extended on the outer side walls, and the wiring structure is installed on the second threaded column through screws, and the positioning is realized through the protruding positioning structures.

Preferably, the wires connecting the electrical components and the lighting components include first wires and second wires, one end of the first wires is connected to the lighting components, and one end of the second wires is connected to the electrical components, so The other end of the first electric wire is connected with the other end of the second electric wire through the first sealing structure.

Preferably, the first sealing structure includes a sleeve, the upper end of the sleeve is open and the lower end is closed; the other ends of the first electric wire and the second electric wire are placed in the sleeve, and the sleeve is set There is a conductive material to realize the electrical connection between the first electric wire and the second electric wire; and a sealant is injected into the casing to realize sealing.

Preferably, the sleeve is composed of a coaxial large-diameter pipe part at the upper end and a small-diameter pipe part at the lower end; the conductive material is arranged in the small-diameter pipe part at the lower end, and the other ends of the first electric wire and the second electric wire After passing through the large-diameter pipe part at the upper end, it is inserted into the small-diameter pipe part at the lower end; the sealant is filled in the large-diameter pipe part at the upper end.

Preferably, the lamp housing is provided with a wire hole for the wire to pass through, and a second sealing structure is provided between the wire and the wire hole; the second sealing structure includes a sealing plug and A pressing piece, the sealing plug is provided with a threading hole for the power supply line to pass through, one end of the sealing plug is tightly plugged in the wiring hole, and the pressing piece is pressed on the other end of the sealing plug and is connected with the walking hole. Perimeter connections for wire holes.

Preferably, a boss is provided on the other end of the sealing plug, and the threading hole passes through the boss; a through hole matching the boss is provided in the middle of the pressing piece, and the pressing piece is tightly pressed on the other end of the sealing plug, and the boss snaps into the through hole.

Preferably, the hole diameters at both ends of the threading hole are larger than the hole diameter in the middle section.

Preferably, the threading holes in the middle section account for 1/3-1/2 of the threading holes in the entire section.

Preferably, the diameter of the threading hole in the middle section is smaller than the diameter of the electric wire.

Preferably, the diameter of the wiring hole gradually decreases from one end close to the pressing piece to the other end.

Preferably, a convex edge is provided at one end of the wiring hole close to the pressing piece.

Preferably, mounting holes are symmetrically arranged on the pressing piece left and right, and the pressing piece is connected to the periphery of the wiring hole through the mounting hole through a screw.

Preferably, an anti-fall rope is also connected to the electrical cavity, and one end of the anti-fall rope is installed into the electrical cavity through the installation and positioning structure of the anti-fall rope.

Preferably, the installation and positioning structure of the anti-fall rope includes:

A fixed structure is arranged on one end of the anti-falling rope;

The positioning structure is installed in the electrical cavity, and the positioning structure is provided with an installation opening, and the fixing structure is embedded in the installation opening and fixed by a connecting piece.

Preferably, the fixing structure is a cylinder, and the anti-fall rope is connected perpendicular to the axial direction of the cylinder.

Preferably, the installation opening is a rectangular opening, and the length of the installation opening matches the length of the fixing structure, and the fixing structure is just embedded in the installation opening.

Preferably, the positioning structures on the left and right sides of the installation opening are respectively provided with a connecting piece, and a part of the connecting piece extends above the installation opening, so as to limit the fixing structure from the installation opening.

Preferably, the connecting piece adopts screws, and the positioning structures on the left and right sides of the installation port are respectively provided with threaded holes, the screws are installed in the threaded holes, and the nuts of the screws extend into the above the installation port described above.

Preferably, the lamp housing includes a lower housing, the electrical chamber is arranged on the upper end surface of the lower housing, and the electrical chamber is also covered with an upper cover; the light-emitting component is arranged on the lower housing On the lower end face of the light-emitting assembly, a lens assembly is provided on the upper cover of the light-emitting assembly.

Preferably, the lens assembly includes a lens and a lens pressure frame, the lens cover is arranged on the light-emitting assembly, and the lens pressure frame is pressed on a circle of the lens and fixed with the lower housing connected, a third sealing structure is provided between the lens and the lower case.

Preferably, the third sealing structure includes a sealing ring, the sealing ring is tightly pressed between the lens and the lower case, and a first A groove, a second groove is provided on the lens corresponding to the sealing ring, and the sealing ring is pressed into the first groove and the second groove.

Preferably, the shape of the section of the sealing ring located in the first groove is different from the shape of the part located in the second groove.

Preferably, the section of part of the sealing ring located in the first groove is rectangular.

Preferably, a section of a part of the sealing ring located in the second groove is semicircular.

Preferably, the first groove is integrally formed with the lower shell.

Compared with the prior art, the utility model has the following advantages and positive effects due to the adoption of the above technical scheme:

1) The LED lighting fixture provided by the utility model has an installation and positioning structure arranged in the electrical cavity, without manual positioning, so that the automatic installation of electrical components and wires can be realized, thereby improving production efficiency;

2) In the LED lighting fixture provided by the utility model, the wires connecting the light-emitting component and the electrical component are passed through a sealing plug, and the sealing plug is fixed and installed in the wiring hole of the lower case through a pressing piece, thereby realizing the wiring hole On the basis of ensuring the sealing effect, the sealing structure is very convenient to install and can be reused compared with the sealing method of the rubber seal;

3) The LED lighting fixture provided by the utility model divides the wire connecting the light-emitting component and the electrical component into two sections, and the connection between the two sections can be directly sealed with glue with low cost, and the water vapor will be intercepted here , will not enter the electrical cavity, this sealing method is low in cost and simple in process;

4) In the LED lighting fixture provided by the utility model, an anti-falling device is also provided between the upper cover and the lower shell. The anti-falling device in the utility model is pre-set with a positioning structure at the target position, and when the anti-falling rope is installed , only need to directly place the fixed structure in the installation port of the positioning structure, without alignment and other operations, which greatly simplifies the installation structure, and the installation method of the fixed structure and the installation port is simple in structure;

5) In the LED lighting fixture provided by the utility model, the first groove for installing the sealing ring is directly arranged on the lower shell. The purpose of this design is to place the shell on a plane during production and installation, and then seal the One side of the ring is snapped into the first groove, and then the lens is pressed onto the other side of the sealing ring. This sealing structure no longer needs to cover the lens with a bulky housing, and only needs to press the lens onto the sealing ring. That is, and the setting of the first groove makes it easy to position the sealing ring, which is convenient for realizing automation.

Description of drawings

In conjunction with the accompanying drawings, the above and other features and advantages of the present utility model can be more clearly understood through the detailed description below, wherein:

Fig. 1 is the structural representation of the LED lighting fixture provided by the utility model;

Fig. 2 is a schematic diagram of disassembly of the light-emitting assembly on the LED lighting fixture provided by the utility model;

Fig. 3 is a schematic diagram of disassembly of the electric cavity on the LED lighting fixture provided by the utility model;

Fig. 4 is the top view of electric chamber in the utility model;

Fig. 5 is the schematic diagram that electrical assembly is installed in the electric chamber in the utility model;

Fig. 6 is A-A sectional view of Fig. 5;

Fig. 7 is a partial schematic diagram in Fig. 6;

Fig. 8 is a schematic diagram of disassembly of the third sealing structure in the utility model;

Fig. 9 is a structural schematic diagram of the anti-falling device in the utility model;

Figure 10 is a schematic diagram of disassembly of the anti-falling device of the present invention;

Fig. 11 is a schematic diagram of the first sealing structure in the present invention.

Detailed ways

Referring to the accompanying drawings showing embodiments of the invention, the invention will be described in more detail below. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are presented so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In these drawings, the size and relative sizes of layers and regions may be exaggerated for clarity.

Referring to Figures 1-11, the utility model provides an LED lighting fixture, which includes a lamp housing and a light-emitting component arranged on the lamp housing; the lamp housing has an electrical cavity, and an electrical component is arranged in the electrical cavity, and the electrical The component and the light-emitting component are connected by wires; an installation and positioning structure for fixedly installing the electrical component and the wire is also arranged in the electrical cavity.

The LED lighting device provided by the utility model is provided with an installation and positioning structure in the electrical cavity, without manual positioning, thereby realizing automatic installation of electrical components and electric wires, thereby improving production efficiency.

In this embodiment, the lamp housing includes a lower housing 1, the back of the lower housing 1 is provided with an inner concave portion to form an electrical cavity 105, and an upper cover 3 is also covered on the electrical cavity 105; The installation and positioning structure in the cavity 105 is integrally formed with the lamp housing 1 , which is convenient for processing on the one hand, and ensures the stability of the connection between the installation and positioning structure and the lamp housing 1 on the other hand.

In this embodiment, a sealing ring 4 is provided on one edge of the upper cover 3 and the lower case 1 for sealing the electrical cavity 105 .

In this embodiment, an anti-falling device 13 is provided between the upper cover 3 and the lower case 1 . The purpose of the anti-falling device 13 is to prevent the upper cover 3 from falling when the upper cover 3 is opened.

Specifically, referring to FIG. 9 , the anti-falling device includes an anti-falling rope 16, at least one end of the anti-falling rope 16 is provided with a fixing structure 15, and the fixing structure 15 at the end of the anti-falling rope 16 is installed to the lower shell 1 and/or through a positioning structure 17. Or on the upper cover 3; the positioning structure 17 is installed on the lower shell 1 and/or the upper cover 3, and the positioning structure 17 is provided with an installation opening 1701, and the fixing structure 15 is embedded in the installation opening 1701 and fixed by a connector.

The utility model pre-sets the positioning structure on the lower shell 1 and the upper cover 3. When the anti-falling rope 16 is installed, it only needs to directly place the fixing structure in the installation port 1701 of the positioning structure 17, and no alignment and other operations are required. Therefore, the installation structure is greatly simplified, and the installation method of the fixed structure and the installation port is simple in structure.

Further, in this embodiment, both ends of the anti-falling rope 16 are provided with a fixing structure 15; of course, in other embodiments, only one end of the anti-falling rope 16 may be provided with a fixing structure, which is not limited here.

Further, the fixed structure 15 is a cylinder, and the anti-falling rope 16 is connected perpendicular to the axial direction of the cylinder; correspondingly, the installation opening 1701 is a rectangular opening, and the length of the installation opening 1701 matches the length of the fixed structure 15, and the fixed The structure 15 is just embedded in the installation opening 1701 . Of course, in other embodiments, the shape of the fixing structure 15 and the shape of the installation opening are not limited to the above-mentioned ones, and can be adjusted according to specific conditions, as long as the two are matched; The shapes of the fixed structures are the same or different, which is not limited here.

Further, the positioning structure 17 is respectively provided with a connecting piece on the left and right sides of the installation opening 1701 , and a part of the connecting piece extends above the installation opening 1701 , so as to limit the fixing structure from the installation opening 1701 . Of course, in other embodiments, the position-limiting manner of the fixing structure is not limited to the above, and can be adjusted according to specific conditions. In this embodiment, the connector adopts screws 18, and the positioning structure is provided with threaded holes 1702 on the left and right sides of the installation port 1701. The screws 18 are installed in the threaded holes 1702, and the nuts of the screws 18 extend to the installation port 1701. Above, the fixed structure is limited. Of course, in other embodiments, the connecting member can also be directly replaced by other structures, which is not limited here.

Further, in this embodiment, the positioning structure 17 can be installed on the lower case 1 and/or the upper cover 3 through connecting pieces, or can be integrally formed with the lower case 1 and/or the upper cover 3 , which is not limited here.

In this embodiment, with reference to Figures 3-5, the electrical assembly includes a power supply 7, and the electrical cavity 105 is provided with a power supply installation and positioning structure 12; specifically, the power supply installation and positioning structure 12 is a plurality of first threaded columns 12, 14, It is used to fix different types of power sources 7 . The sizes of different types of power sources 7 are different. The power sources 7 are installed on the first threaded columns at different positions by screws, so as to realize the installation of different types of power sources 7 .

Wherein, the first threaded post 14 at one end of the power supply 7 can also be used as a fixing structure for electric wires, and the electric wires can be directly wound on the first threaded post 14 to realize fixing, as shown in FIG. 4 .

In this embodiment, with reference to Figures 3-5, the electrical assembly includes a wiring structure, the wiring structure is the wiring terminal 19, and the wiring terminal 19 is mainly used to realize the connection function between the electric wire on the power supply 7 and the external power supply; the electrical cavity 105 is provided with Wiring structure installation and positioning structure 11; Wiring structure installation and positioning structure 11 is a plurality of second threaded columns 11; The outer walls of the left and right sides of the second threaded column 11 are also respectively extended with raised positioning structures, and the terminal 19 is installed on the On the second threaded column 11 , and through the protrusion positioning structure, it is clamped in the matching bayonet on the connection terminal 19 to realize positioning. Of course, in other embodiments, the structural form of the second threaded column 11 is not limited to the above-mentioned, and can also be adjusted according to specific conditions, which is not limited here.

In this embodiment, with reference to Figures 1-2, the light-emitting assembly is arranged on the downward facing surface of the lower case 1, the light-emitting assembly includes at least one light-emitting module 2, and the light-emitting module includes a PCB board 201, an LED element 202, a lens 204, and a lens press. The LED element 202 is specifically a plurality of LED lamp beads, which are installed on the PCB board 201, and the PCB board 201 is fixedly installed on the lower case 1; the lens 204 is covered on the LED element 202, and the lens 204 passes through the lens pressure ring 205 Installed on the lower shell 1.

In this embodiment, a third sealing structure is provided between the lens 204 and the lower case 1, the third sealing structure includes a sealing ring 203, and the sealing ring 203 is tightly pressed against the lens 204 and the lower case under the action of the lens pressure ring 205. 1 to achieve a sealing effect.

Specifically, referring to Figures 6-7, there is a first groove 104 at the position corresponding to the sealing ring 203 on the lower shell 1, wherein the first groove 104 is directly integrally formed on the lower shell 1, and no additional machining is required, which simplifies the process. Processing steps: the sealing ring 203 is placed in the first groove 104 , and the sealing ring 203 is tightly pressed between the lens 204 and the first groove 104 . The utility model directly sets the first groove 104 for installing the sealing ring on the lower shell 1. The purpose of this design is to place the lower shell on a plane during production and installation, and then snap one side of the sealing ring into the second groove. A groove, and then press the lens onto the other side of the sealing ring, this sealing structure no longer needs to cover the lens with a bulky lower case, just press the lens onto the sealing ring, and the first The setting of the groove makes it easy to position the sealing ring, which is convenient for realizing automation.

Further, a second groove 2041 is provided on the lens 204 corresponding to the sealing ring 203, and the sealing ring 203 is tightly pressed between the first groove 104 and the second groove 2041; The setting of the groove 2041 ensures the positioning of the sealing ring 203 on the lens 204; wherein, the second groove 2041 is integrally formed on the lens 204, and does not require additional machining, which simplifies the processing procedure; of course, in other embodiments The second groove 2041 may not be provided in the middle, and there is no limitation here.

Further, in this embodiment, the shape of the section of the seal ring 203 inside the first groove 104 is different from the shape of the part inside the second groove 2041 . Specifically, the section of part of the sealing ring located in the first groove 104 is rectangular, and the section of part of the sealing ring located in the second groove 2041 is semicircular, and the size of the semicircular section is smaller than that of the rectangle. In this embodiment, the cross-section of the sealing ring located in the first groove 104 of the housing is designed to be rectangular in order to place the sealing ring stably in the first groove 104 during installation, and to seal the sealing ring located in the second groove 2041 of the lens. The cross-section of the ring is designed to be semicircular, so that the lens can better compress the deformation of the sealing ring to achieve a sealing effect during the installation process. Of course, in other embodiments, the cross-sectional shape of the sealing ring 203 can also be adjusted according to specific conditions, which is not limited here.

In this embodiment, referring to Figures 5, 6, and 8, the light-emitting assembly 2 and the power supply 7 are connected by wires, and the lower case 1 is provided with a wiring hole 101, and the wires drawn from the electrical chamber 105 pass through the wiring hole 101 Afterwards, the light-emitting component is directly connected; the second sealing structure 9 is also provided on the wiring hole 101 to realize the sealing of the wiring hole 101 .

Specifically, the second sealing structure 9 includes a sealing plug 901 and a pressing piece 902. The sealing plug 901 is provided with a threading hole 9011 through which the power supply wire passes. The other end of the sealing plug 901 is connected to the periphery of the wiring hole 101 . In the utility model, the wires are passed through a sealing plug 901, and the sealing plug 901 is fixedly installed in the wiring hole through the pressing piece 902, thereby realizing the sealing of the wiring hole. The sealing structure is directly sealed by the sealing plug. It can achieve the sealing effect of IP68 protection level. Compared with the sealing method of rubber seal, the sealing plug is very convenient to install and can be used repeatedly.

Further, referring to FIG. 6 , the shape of the sealing plug 901 is a columnar structure that matches the wire hole 101 . There is no limitation here. The shape of the sealing plug 901 is adjusted according to the shape of the wire hole 101 . Combine to achieve sealing.

Further, the other end of the sealing plug 901 is provided with a boss 9012, and the threading hole 9011 passes through the boss 9012; a through hole 9021 matching the boss 9012 is provided in the middle of the pressing piece 902, and the pressing piece 902 is pressed against the sealing plug 901. on the other end, and the boss 9012 snaps into the through hole 9021. The pressing piece 902 is pressed on the upper end of the sealing plug 901 to realize the axial limit, and the cooperation between the boss 9012 and the through hole 9021 realizes the radial limit of the sealing plug 901, thereby ensuring that the sealing plug 901 is better fixed to prevent the sealing plug 901 from moving and affecting the sealing effect.

Further, the sealing plug 3 is provided with two threading holes 9011. Of course, in other embodiments, the number of threading holes 9011 can be determined according to the number of wires that need to pass through, which is not limited here. The apertures at both ends of the threading hole 9011 are larger than the apertures in the middle section. The above-mentioned structural form is adopted. The large apertures at both ends are for the convenience of the wires passing in and out smoothly, and the small apertures in the middle are for squeezing and sealing the wires. The effect, thus ensuring the sealing effect.

Wherein, preferably, the threading holes in the middle section account for 1/3-1/2 of the threading holes in the entire section. Of course, in other embodiments, the proportion of the middle section can also be adjusted according to specific conditions, and there is no limitation here.

Wherein, the hole diameter of the threading hole in the middle section is smaller than the diameter of the electric wire, so that the threading hole in the middle section can tightly clamp the electric wire to ensure the sealing effect.

In this embodiment, the hole diameter of the wiring hole 101 gradually decreases from one end close to the pressing piece 902 to the other end; in this embodiment, by limiting the structure of the wiring hole 101, on the one hand, it is convenient to insert the sealing plug; on the other hand On the one hand, this structure can exert a force on the sealing plug from the inclined side, so that the middle part of the threading hole 9011 can be squeezed by an external force to improve the sealing effect.

In this embodiment, mounting holes 9022 are arranged symmetrically on the left and right sides of the pressing piece 902, and threaded holes 103 are provided at corresponding positions around the routing holes. 103 are connected together, so as to realize the installation and fixation of the pressing piece 902. Of course, in other embodiments, the fixing method of the pressing piece 902 is not limited to the above, and can be adjusted according to specific conditions.

In this embodiment, the wiring hole 101 is provided with a convex edge 102 at one end close to the pressure piece 902, and the convex edge 102 is set around a circle of the pressure piece 902; the setting of the convex edge 102 is to reserve a glue injection space, which can The sealing plug 901 performs secondary sealing to further improve the sealing effect.

In this embodiment, with reference to Figures 3-5 and Figure 11, the wires connecting the electrical components and the lighting components are divided into first wires a and second wires b, and one end of the first wire a is connected to the light source component on the lighting component (i.e. LED components on the assembly), one end of the second electric wire b is connected to the electrical assembly (namely the power supply 7 ), and the other end of the first electric wire a and the other end of the second electric wire b are connected together through the first sealing structure 10 .

Specifically, the first sealing structure 10 includes a sleeve, the upper end of the sleeve is open and the lower end is closed; the other ends of the first electric wire a and the second electric wire b are placed in the sleeve, and the sleeve is provided with the first wire a and the second wire b. The two electric wires b are electrically connected with a conductive material, and a sealant is injected into the casing, so that the first electric wire a and the second electric wire b are sealed at the ends of the casing.

In the prior art, the wires connecting the electrical components and the light-emitting components are a complete wire. The wires usually consist of a wire core and an insulating outer layer. When the LED element is in operation, due to the high temperature, water vapor is easily generated, and the water vapor will pass through the wire core and the insulating outer layer. The gap between the layers is introduced into the electrical cavity 105, which will affect the electrical components in the electrical cavity; in order to solve this problem, in the prior art, the end of the wire connected to the LED element is glued, because it is in the LED element In order not to affect the normal operation of the LED, the glue used for the general glue sealing cannot be realized. It is necessary to choose a glue with a higher cost, and the sealing process is more complicated.

To solve this problem, the utility model innovatively divides the electric wire into two sections, and directly uses glue with low cost to seal the joint of the two sections, and the water vapor will be intercepted here and will not enter the electrical cavity , this sealing method is low in cost and simple in process.

Further, the sleeve is composed of a coaxial upper large-diameter tube part 1002 and a lower-end small-diameter tube part 1001; conductive material is arranged in the lower-end small-diameter tube part 1001, and the other ends of the first electric wire a and the second electric wire b pass through the upper end The large-diameter tube part 1002 is then inserted into the lower-end small-diameter tube part 1001 ; the sealant is filled in the upper-end large-diameter tube part 1002 .

In this embodiment, the casing is designed to have a large top and a small bottom. The small-diameter pipe part 1001 is to make the other ends of the first electric wire a and the second electric wire b tightly pressed against the small-diameter pipe part 1001. Force the lower part of the casing with pliers. Clamping is to make the electric wire 1 and the electric wire 2 fully contact; the large-diameter pipe part 1002 at the upper end is for the convenience of glue injection. Of course, in other embodiments, the structural form of the sleeve is not limited to the above, and can be adjusted according to specific conditions.

Those skilled in the art should understand that the utility model can be implemented in many other specific forms without departing from the spirit or scope of the utility model. Although the embodiments of the present invention have been described, it should be understood that the present invention should not be limited to these embodiments, and those skilled in the art can make changes within the spirit and scope of the present invention as defined by the appended claims and modify.

Claims (28)

1. An LED lighting fixture, characterized in that it includes a lamp housing and a light-emitting component arranged on the lamp housing; the lamp housing has an electrical cavity, and electrical components are also arranged in the electrical cavity, and The electrical components are connected to the light-emitting components through wires; an installation and positioning structure for fixing the electrical components and wires is also provided in the electrical cavity. 2. The LED lighting fixture according to claim 1, wherein the lamp housing is a die-casting part, and the installation and positioning structure is integrally formed with the lamp housing. 3. The LED lighting fixture according to claim 1, wherein the electrical component includes a power supply, and the electrical cavity is provided with a power supply installation and positioning structure; the power supply installation and positioning structure is a plurality of first threaded columns , used to fix different types of power supplies; said power supplies are installed on the first threaded post through screws. 4. The LED lighting fixture according to claim 1, wherein the electrical component includes a wiring structure, and the electrical cavity is provided with a wiring structure installation and positioning structure; the wiring structure installation and positioning structure is a plurality of first Two threaded columns; the outer walls of the left and right sides of the second threaded column are respectively extended with raised positioning structures, the wiring structure is installed on the second threaded column through screws, and is realized by the raised positioning structure position. 5. The LED lighting fixture according to claim 1, wherein the wires connecting the electrical components and the lighting components include first wires and second wires, one end of the first wires is connected to the lighting components, One end of the second electric wire is connected to the electrical component, and the other end of the first electric wire is connected with the other end of the second electric wire through a first sealing structure. 6. The LED lighting fixture according to claim 5, wherein the first sealing structure includes a sleeve, the upper end of which is open and the lower end is closed; the other ends of the first electric wire and the second electric wire are placed in the sleeve, and the sleeve is provided with a conductive material for realizing the electrical connection between the first electric wire and the second electric wire; and injecting sealant into the sleeve to realize sealing. 7. The LED lighting fixture according to claim 6, wherein the sleeve is composed of an upper large-diameter tube part and a lower-end small-diameter tube part arranged coaxially; the conductive material is arranged in the lower-end small-diameter tube part , the other ends of the first electric wire and the second electric wire pass through the upper large-diameter pipe part and then are inserted into the lower end small-diameter pipe part; the sealant is filled in the upper end large-diameter pipe part. 8. The LED lighting fixture according to claim 1 or 7, characterized in that, the lamp housing is provided with wiring holes for the wires to pass through, and a wiring hole is provided between the wires and the wiring holes. The second sealing structure; the second sealing structure includes a sealing plug and a pressing piece, the sealing plug is provided with a threading hole for the power supply line to pass through, one end of the sealing plug is tightly plugged in the wiring hole, and the pressing piece Press on the other end of the sealing plug and connect with the periphery of the wiring hole. 9. The LED lighting fixture according to claim 8, wherein a boss is provided on the other end of the sealing plug, and the threading hole passes through the boss; The boss is matched with the through hole, the pressure piece is pressed against the other end of the sealing plug, and the boss is locked into the through hole. 10. The LED lighting fixture according to claim 9, wherein the apertures at both ends of the threading hole are larger than the apertures in the middle section. 11. The LED lighting fixture according to claim 10, wherein the threading holes in the middle section account for 1/3-1/2 of the threading holes in the entire section. 12. The LED lighting fixture according to claim 10, wherein the diameter of the threading hole in the middle section is smaller than the diameter of the wire. 13. The LED lighting fixture according to claim 8, wherein the diameter of the wiring hole gradually decreases from one end close to the pressing piece to the other end. 14. The LED lighting fixture according to claim 13, wherein a convex edge is provided at one end of the wiring hole close to the pressing piece. 15. The LED lighting fixture according to claim 9, wherein mounting holes are arranged symmetrically on the left and right sides of the pressing piece, and the pressing piece is connected to the periphery of the wiring hole through the mounting hole by screws. 16. The LED lighting fixture according to claim 1, wherein an anti-falling rope is connected to the electrical cavity, and one end of the anti-falling rope is installed in the electrical cavity through the installation and positioning structure of the anti-falling rope . 17. The LED lighting fixture according to claim 16, wherein the installation and positioning structure of the anti-falling rope comprises: A fixed structure is arranged on one end of the anti-falling rope; The positioning structure is installed in the electrical cavity, and the positioning structure is provided with an installation opening, and the fixing structure is embedded in the installation opening and fixed by a connecting piece. 18. The LED lighting fixture according to claim 17, wherein the fixing structure is a cylinder, and the anti-falling rope is connected perpendicular to the axial direction of the cylinder. 19. The LED lighting fixture according to claim 17, wherein the installation opening is a rectangular opening, and the length of the installation opening matches the length of the fixing structure, and the fixing structure is just embedded in the inside the installation port described above. 20. The LED lighting fixture according to claim 17, characterized in that, the positioning structures on the left and right sides of the installation opening are respectively provided with a connecting piece, and a part of the connecting piece extends above the installation opening for It is limited that the fixing structure is separated from the installation opening. 21. The LED lighting fixture according to claim 20, wherein the connectors are screws, and the positioning structures on the left and right sides of the installation port are respectively provided with threaded holes, and the screws are installed in the threaded holes , and the nut portion of the screw protrudes above the installation opening. 22. The LED lighting fixture according to claim 1, wherein the lamp housing includes a lower housing, the electrical cavity is arranged on the upper surface of the lower housing, and the electrical cavity is also covered with a Upper cover; the light-emitting assembly is arranged on the lower end surface of the lower shell, and the upper cover of the light-emitting assembly is provided with a lens assembly. 23. The LED lighting fixture according to claim 22, wherein the lens assembly includes a lens and a lens pressure frame, the lens cover is arranged on the light-emitting assembly, and the lens pressure frame is pressed on the One circle of the lens is fixedly connected with the lower case, and a third sealing structure is arranged between the lens and the lower case. 24. The LED lighting fixture according to claim 23, wherein the third sealing structure includes a sealing ring, and the sealing ring is tightly pressed between the lens and the lower case, and the lower case A first groove is provided on the lens corresponding to the sealing ring, a second groove is provided on the lens corresponding to the sealing ring, and the sealing ring is pressed against the first groove and the in the second groove. 25. The LED lighting fixture according to claim 24, characterized in that, the shape of the part of the section of the sealing ring located in the first groove is different from the shape of the part located in the second groove . 26. The LED lighting fixture according to claim 25, characterized in that, a section of a part of the sealing ring located in the first groove is rectangular. 27. The LED lighting fixture according to claim 26, wherein a section of a part of the sealing ring located in the second groove is semicircular. 28. The LED lighting fixture as claimed in claim 24, wherein the first groove is integrally formed with the lower shell.