WO2017084127A1

WO2017084127A1 - Terminal box structure and lamp composed by the same, and quick electrical connection method for lamp

Info

Publication number: WO2017084127A1
Application number: PCT/CN2015/096814
Authority: WO
Inventors: 李国胜
Original assignee: 东莞市勤明士照明科技有限公司
Priority date: 2015-11-20
Filing date: 2015-12-09
Publication date: 2017-05-26
Also published as: CN105258083B; CN105258083A

Abstract

Provided are a terminal box structure and a lamp composed by the same, and a quick electrical connection method for lamps. The terminal box structure comprises a housing (10) and a drive power board (11) provided in the housing (10). The housing (10) comprises an inner bottom surface (101) and an outer surface (102) provided with a slot (103) for inlet wire or a hole for inlet wire. The sides of the housing (10) in circumference are provided with a guide pitch which is easy to install. The inner bottom surface (101) or the side is provided with an electrical connection piece/electrical connection terminal for supplying power to the lamp. The electrical connection piece/electrical connection terminal is electrically connected to the drive power board (11) or is fixed to the bottom of the drive power board (11). The slot (103) for inlet wire or hole for inlet wire is provided in the housing (10) of the terminal box, so that in the installation of lamp, the terminal box and the external power supply lead can be firstly connected, and through a snap-type structure of the terminal box and the lamp body, the lamp can be quickly installed; and the removal of the lamp can also be done by quickly separating the lamp body and the terminal box, thereby removing the terminal box. The terminal box also adopts an wire securing assembly (12) with a wire securing handle (124), which enables fixed connection of the power supply lead to achieve tool-free installation.

Description

Power box structure and quick electrical connection method of lamp and lamp composed thereof

Technical field

The invention relates to a power box structure and a luminaire, in particular to a split type power box structure and a quick electrical connection method of the luminaire and the luminaire formed thereby.

Background technique

The applicant has applied for a downlight (patent document CN204437887U), which comprises a heat sink, a light-emitting unit fixed on the heat sink, and a driving power source connected to the light-emitting unit, the downlight further comprising a fixing base and a driving power supply box The driving power source is located in the driving power supply box; the fixing base is provided with a receiving slot, and the driving power supply box is installed and fixed in the receiving slot. Although the structure of the luminaire distinguishes the power supply portion from the lamp body portion, the entry slot or the entry hole is still disposed on the lamp body (i.e., the mount), which has the problem of inconvenient installation.

Therefore, it is necessary to further improve the structure of the luminaire so that the luminaire is very convenient to install.

Summary of the invention

In order to remedy the above-mentioned deficiencies of the prior art, it is an object of the present invention to provide a power box structure and a quick electrical connection method of the luminaire and the luminaire constructed therefrom.

In order to achieve the above object, the technical solution of the present invention is:

A power box structure includes a housing and a driving power board disposed in the housing; the housing includes an inner bottom surface and an outer surface provided with an inlet slot or an inlet hole; and a side surface of the housing is provided The guide rail is easy to install; the inner bottom surface or the side surface is provided with an electrical connection piece/electrical connection terminal for supplying power to the lamp; the electrical connection piece/electric connection terminal is electrically connected to the driving power supply board, or is fixed on Drive the bottom of the board.

A further technical solution is that the outer surface is provided with a crimping assembly corresponding to the inlet slot or the inlet hole; the housing comprises a bottom box and an upper cover fixedly coupled to the bottom box.

A further technical solution is as follows: the crimping assembly comprises a crimping base provided with a shrapnel, a conductive elastic piece disposed in the shrapnel, a crimping cover fixedly coupled with the crimping base, and a pressing power supply lead The crimping handle is hinged to the cover of the pressing line; the conductive elastic piece is electrically connected to the driving power board and the external power supply line, respectively.

A further technical solution is that the conductive elastic piece is an annular metal piece with two overlapping ends with a mating surface; the two overlapping lines are respectively provided with a wire insertion hole; the pressing line base or the pressing line The cover is provided with a wire through hole corresponding to the wire insertion hole; the pressure wire handle comprises two hinge pin portions on both sides, and a pressing portion and a cocking portion respectively located at two ends of the hinge pin portion, the wrench The length of the starting portion is greater than the length of the pressing portion; when the cocking portion of the pressing wire handle is erected, the pressing portion acts on the outer side of the annular metal piece, and the annular metal piece is changed by the pressure of the pressing portion, so that The wire insertion holes of the two wire overlapping faces are coincident or misaligned, and the power wire is loosened or clamped; when the nip portion of the pressure wire handle is pressed, the pressing portion is away from the outer side of the annular metal piece, and the ring metal The elastic force of the piece causes the wire insertion holes of the two wire overlapping faces to be misaligned or coincident, and the power wire is clamped or loosened.

A lamp comprising a lamp body provided with a light-emitting component on a front side, a rear side of the lamp body is provided with a power supply compartment for accommodating a power box structure; and a bottom wall or a side wall of the power supply compartment is provided with a power supply box Electrical connection piece / electrical connection terminal Electrical connection terminal / connector.

A further technical solution is that the power box structure as described above is further included, and the power box structure is placed in the power supply bay.

A further technical solution is that the power supply box structure is provided with a convex portion on one side, and the opposite side is provided with an elastic fastening portion, and one side wall of the power supply housing is provided with a recess for accommodating the convex portion. The opposite side wall is provided with a snap groove for inserting the elastic fastening portion.

A further technical solution is: the rear side of the lamp body is provided with a power base, the power base is provided with the power supply bin; and the power base is provided with a connection through hole at the bottom or the side wall of the power supply bin. And a connection component corresponding to the connection through hole; the connection component is an electrical terminal assembly or a power tab assembly;

The electrical terminal assembly includes a terminal circuit board, a spring and a bottom plate sequentially disposed outside the connecting through hole; the bottom plate is provided with a coupling post for fixedly coupling with the power base, and the spacer portion located at the middle and on both sides of the spacer portion a spring positioning groove; the terminal circuit board is further provided with a guiding hole for passing through the coupling post and a guiding groove for inserting the spacer piece; the terminal circuit board is further provided with a power receiving terminal, and is used for a wire bonding leg electrically connected to the light emitting component; the electrical terminal on the terminal circuit board is always electrically connected to the electrical connecting piece on the power supply box under the action of the spring;

The power strip assembly includes a power strip circuit board disposed outside the connection through hole; the power board circuit board is provided with a power receiving piece, and a wire bonding leg for electrically connecting with the light emitting component;

When the connecting component is a power receiving piece assembly, the inner bottom surface or the side surface of the power supply box is provided with an electrical connection terminal supported by a spring; the electrical connection terminal is always connected to the power supply base under the action of the spring. A piece of electrical connection.

A further technical solution is that the front side of the lamp body is provided with a front cavity for accommodating the light-emitting component, the side wall of the front cavity is provided with a card slot, and the front side of the light-emitting component is provided with a fixing ring; The outer side of the ring is provided with a plurality of snap projections embedded in the card slots.

The method of rapid electrical connection of the luminaire, the method is to electrically connect the driving power supply part of the luminaire with the illuminating component, and adopt the quick-disassembling terminal and the connecting piece to make the driving power part become a separate component; when installing the luminaire, Firstly, the external wire is fixedly coupled with the driving power supply part, and then the driving power supply part is installed in the body part of the lamp in a card slot manner, and finally the installation of the whole lamp is completed; wherein the driving power part adopts a pressing line handle, and the lever force is applied. Enables quick installation with external leads.

The invention has the beneficial effects compared with the prior art: the invention is provided with a wire slot or an inlet hole on the casing of the power supply box, so that the lamp can be separately connected to the external power wire before installation. After the power supply box is connected to the power supply wire, the luminaire can be quickly installed through the snap-on structure of the power supply box and the lamp body, and the lamp body can be quickly separated from the power supply box by removing the luminaire, thereby removing the power supply box. . The power box also uses a crimping component with a crimping handle. When the power cord is installed, only the crimping handle needs to be squirted, so that the power cord can be fixedly connected to achieve tool-free installation. The lamp of the invention adopts a spring-supported electrical terminal assembly, which realizes a reliable connection between the power supply box and the lamp body.

The invention is further described below in conjunction with the drawings and specific embodiments.

DRAWINGS

1 is a perspective view of a specific embodiment of a power supply box structure according to the present invention;

Figure 2 is an exploded view of Figure 1;

3 is an exploded perspective view showing the structure of a power supply box using the embodiment of FIG. 1 in a lamp according to the present invention;

Figure 4 is another perspective view of the embodiment of Figure 3;

Figure 5 is a cross-sectional view showing the position of the crimping assembly in the embodiment of Figure 3 and a partial enlarged view thereof (the crimping assembly is not cut away, and the fixing ring is partially enlarged);

Figure 6 is a cross-sectional view showing the position of the crimping assembly in the embodiment of Figure 3 and a partial enlarged view thereof (the crimping assembly is cut away and partially enlarged);

Figure 7 is a perspective exploded view of the embodiment of Figure 3;

Figure 8 is an enlarged view of the connection assembly of Figure 7.

Reference numeral

S power box structure 10 housing

10A bottom box 10B top cover

100 connection hole 101 inner bottom surface

102 outer surface 103 cable trough

104 Side 107 Power cord clamp

11 drive power board 12 crimping assembly

121 crimping base 1230 wire through hole

122 conductive shrapnel 1221 patchwork coincidence surface

1222 Threading hole 123 Pressure line cover

1231 handle slot 1232 articulated slot

124 crimping handle 1241 articulated pin

1242 Pressing part 1243 Pulling part

129 Shrapnel 18 Elastic Buckle

19 raised parts 20 body

200 power supply compartment 208 snap groove

209 groove 21 power base

210 connection through hole 28 buffer positioning piece

29 buckle 30 light assembly

301 card slot

31 ring light strip 311 LED lamp bead

32 light guide plate 33 diffuser plate

39 retaining ring 391 snap-on bump

40 Power terminal assembly 41 Terminal circuit board

411 guide hole 412 guide groove

418 wire soldering foot 419 electrical terminal

42 spring 43 bottom plate

431 connecting post 432 spacer

433 spring positioning slot

detailed description

In order to more fully understand the technical content of the present invention, the technical solutions of the present invention are further described and illustrated in conjunction with the specific embodiments, but are not limited thereto.

As shown in a partially enlarged view of FIG. 1, FIG. 2 and FIG. 6, a power supply box structure S of the present invention includes a housing 10 and a driving power supply board 11 disposed in the housing; the housing 10 includes an inner bottom surface 101 and a housing The outer surface 102 of the inlet slot 103 (which may also be an entry hole in other embodiments); the side surface 104 of the housing 10 is provided with a guiding slope for easy installation, and the inner bottom surface 101 (also in other embodiments) The side is provided with an electrical connecting piece for powering the lamp (not shown in the figure, and may be an electrical connection terminal in other embodiments), and the electrical connecting piece and the driving power supply board 11 are integrated, and are fixed to the driving power source. The bottom of the board 11 (in other embodiments, the electrical connecting piece can also be electrically connected to the driving power board through wires). The outer surface 102 is provided with a crimping assembly 12 corresponding to the inlet slot 103; the housing 10 includes a bottom box 10A and an upper cover 10B that is fixedly coupled to the bottom box 10A. The inner bottom surface 101 is the outer side of the bottom of the bottom case 10A, and the outer surface 102 is the upper outer side of the lower cover 10B. The bottom box 10A is provided with a connecting hole 100 corresponding to the electrical connecting piece so as to penetrate the electrical terminal on the lamp body and electrically connect with the electrical connecting piece.

The crimping assembly 12 includes a crimping base 121 provided with three elastic magazines 129, a conductive elastic piece 122 disposed in the elastic storage box 129, a pressing line cover 123 fixedly coupled to the pressing wire base 121, and a pressing wire for pressing the power supply wire. The crimping handle 124 is connected to the pressing line cover 123; the conductive elastic piece 122 is electrically connected to the driving power supply board 11 and the external power supply line, respectively.

The conductive elastic piece 122 is an annular metal piece having two overlapping ends with a wire overlapping surface 1221; the two overlapping line surfaces are respectively provided with a wire insertion hole 1222; the pressure line cover 123 (in other embodiments, the pressure may also be a pressure) The wire base is provided with a wire through hole 1230 corresponding to the wire insertion hole 1222; the pressure wire handle 124 includes two hinge pin portions 1241 on both sides, and a pressing portion 1242 and a cocking portion respectively located at the two ends of the hinge pin portion 1241 In the portion 1243, the length of the cocking portion 1243 is greater than the length of the pressing portion 1242 (generally about 4-8 times); when the cocking portion 1243 of the crimping handle 124 is cocked, the pressing portion 1242 acts on the annular metal piece. On the outer side, the annular metal piece is changed by the pressure of the pressing portion 1242, so that the wire insertion holes 1222 of the two wire overlapping faces are overlapped (may be misaligned in other embodiments), and the power supply wires are loosened (in other embodiments). The middle portion of the crimping portion 1243 is pressed away from the outer side of the annular metal piece, and the elastic force of the annular metal piece causes the insertion of the two insertion lines. The wire holes 1222 are misaligned (which may also be coincident in other embodiments), and the power wires are clamped (in It may also be embodiments release). In order to better secure the power supply lead, a power line clamp 107 is also provided on the inlet slot 103.

In order to optimize the structure, reduce the volume, facilitate the operation, and save material: the cover 123 is provided with a handle groove 1231 for accommodating the crimping handle 124. In order to facilitate the installation of the crimping handle 124, the handle groove 1231 and the pressure The inner cavity of the wire cover 123 communicates with the hinge groove 1232 for receiving the hinge pin 1241 on the side wall of the handle groove 1231. The upper end of the hinge groove 1232 is closed, and the lower end is also closed with the pressure wire. The inner cavity of the 123 is communicated. When the crimping handle 124 is installed, from the bottom to the top, under the elastic force of the annular metal piece, the hinge pin 1241 is always placed in the hinge groove 1232 to form a hinge joint.

In order to optimize the structure and reduce the volume, the upper cover 10B is provided with a crimping assembly compartment 109 for accommodating the crimping assembly 12, and a pressing line is also provided on the crimping assembly compartment 109 for the purpose of appearance, dustproofing, protection, and the like. Cover plate 108.

As shown in FIG. 3 to FIG. 8 , a lamp body of the present invention includes a lamp body 20 having a light-emitting assembly 30 on a front side thereof, and a power supply compartment 200 for accommodating a power supply box is disposed on a rear side of the lamp body 20; The bottom portion (which may also be a side wall in other embodiments) is provided with a power connection terminal 419 electrically connected to the electrical connection piece of the power supply box (which may also be an electrical connection terminal in other embodiments) (in other embodiments) It can also be a patch). Also included is a power box structure S as previously described, in which the power box structure S is placed.

One side of the power box structure S is provided with a convex portion 19, and the other side is provided with an elastic fastening portion 18, and a side wall of the power supply box 200 is provided with a recess 209 for accommodating the convex portion 19, opposite The other side wall is provided with a snap groove 208 for inserting the elastic fastening portion 18. In this way, the snap-on connection mode of the two is formed, so as to facilitate quick disassembly and assembly.

The power supply base 21 is disposed on the rear side of the lamp body 20. The power supply base 21 is provided with the power supply compartment 200. The power supply base 21 is provided with a connection on the bottom of the power supply compartment 200 (or in other embodiments, the side wall). The hole 210, and the connection component corresponding to the connection through hole 210; the connection component is the electrical terminal assembly 40 (which may also be a power tab assembly in other embodiments). A buckle 29 for mounting is also provided on the lamp body 20. The lamp body 20 is made of a metal material and is used for heat dissipation of the light-emitting component to form a heat sink.

The electrical terminal assembly 40 includes a terminal circuit board 41, a spring 42 and a bottom plate 43 which are sequentially disposed outside the connection through hole 210. The bottom plate 43 is provided with a coupling post 431 for fixedly coupling with the power base 21, and a spacer portion 432 located therebetween. And a spring positioning groove 433 located at two sides of the spacer piece 432; the terminal circuit board 41 is further provided with a guiding hole 411 for passing through the coupling post 431 and a guiding groove 412 for inserting the spacer piece 432; the terminal circuit board 41 is further provided There is a power receiving terminal 419, and a wire bonding leg 418 for electrically connecting with the light emitting component 30; the electrical terminal 419 on the terminal circuit board 41 is always connected to the electrical connecting piece on the power supply box under the action of the spring 42. Electrical connection.

The front side of the lamp body is provided with a front cavity for accommodating the light-emitting assembly 30, the side wall of the front cavity is provided with a card slot 301, and the front side of the light-emitting component 30 is provided with a fixing ring 39; A plurality of snap projections 391 embedded in the card slot 301. The light-emitting assembly 30 includes an annular light strip 31 provided with a plurality of LED lamp beads 311, a light guide plate 32 located between the annular light strips 31, and a diffuser plate 33 located outside the light guide plate 32. A cushioning positioning piece 28 made of a sponge is provided between the light guide plate 32 and the lamp body 20.

In other embodiments, when the connecting component is a power tab assembly, the inner bottom surface or the side surface of the power box is provided with an electrical connection terminal supported by the spring and extended; the electrical connection terminal is always under the action of the spring and the power base The electrical connection is electrically connected. The power strip assembly includes a power board circuit board disposed outside the connection through hole; the power board circuit board is provided with a power receiving piece, and a wire bonding leg for electrically connecting with the light emitting component.

In other embodiments, other forms of lighting components may be utilized, such as a plate or disk shaped LED lighting unit, or a conventional lamp.

The invention also discloses a rapid electrical connection method for a luminaire, which is an electrical connection between a driving power supply part of a luminaire and a illuminating component, and a quick-disassembling terminal and a power-on piece, so that the driving power supply part becomes one Independent component; when installing the luminaire, firstly connect the external wire to the driving power supply part, then install the driving power supply part in the card body part in the card body part, and finally complete the installation of the whole luminaire; wherein the driving power part adopts a pressure line handle, Quick installation with external wires is achieved by lever force.

In other embodiments, the power box structure can also be used in other luminaire products, especially luminaires that are not easy to install, such as ceiling lamps, wall lamps, and the like.

In summary, the present invention is provided with a cable entry slot or an inlet hole in the housing of the power supply box, so that when the lamp is installed, the power supply box can be separately connected with the external power supply wire, and the power supply box is connected to the power supply wire. After that, through the snap-on structure of the power box and the lamp body, the lamp can be quickly installed, and the lamp body can be quickly separated from the power box by removing the lamp, thereby removing the power box. The power box also uses a crimping component with a crimping handle. When the power cord is installed, only the crimping handle needs to be squirted, so that the power cord can be fixedly connected to achieve tool-free installation. The lamp of the invention adopts a spring-supported electrical terminal assembly, which realizes a reliable connection between the power supply box and the lamp body.

The above technical description of the present invention is further described by way of example only, and is not to be understood by the reader, but the embodiments of the present invention are not limited thereto, and any technology extending or re-creating according to the present invention is subject to the present invention. protection of. The scope of the invention is defined by the claims.

Claims

A power box structure comprising a housing and a driving power board disposed in the housing; wherein the housing comprises an inner bottom surface and an outer surface provided with an inlet slot or an inlet hole; The side surface is provided with a guiding inclination for easy installation; the inner bottom surface or the side surface is provided with an electrical connection piece/electric connection terminal for supplying power to the lamp; the electric connection piece/electric connection terminal is electrically connected to the driving power supply board, or It is fixed to the bottom of the driver board.
The power supply box structure according to claim 1, wherein said outer surface is provided with a crimping assembly corresponding to an inlet slot or an entry hole; said housing includes a bottom case and a fixed connection with the bottom case Cover.
The power supply box structure according to claim 2, wherein the pressing line assembly comprises a pressing line base provided with a spring magazine, a conductive elastic piece disposed in the elastic magazine, and a pressure line cover fixedly coupled with the pressing line base. And a crimping handle for pressing the power supply wire, the pressing wire handle is hinged to the pressure wire cover; the conductive elastic piece is electrically connected to the driving power supply board and the external power supply wire, respectively.
The power supply box structure according to claim 3, wherein the conductive elastic piece is an annular metal piece having two overlapping ends with a mating surface; and the two overlapping lines are provided with a wire insertion hole; The crimping base or the pressing wire cover is provided with a wire through hole corresponding to the wire insertion hole; the pressing wire handle comprises two hinge pin portions on both sides, and a pressing portion respectively located at both ends of the hinge pin portion And a cocking portion, the length of the cocking portion is greater than the length of the pressing portion; when the cocking portion of the pressing wire handle is erected, the pressing portion acts on the outer side of the annular metal piece, and the annular metal piece is pressed The pressure of the tight portion changes, so that the wire insertion holes of the two wire overlapping faces are coincident or misaligned, and the power wire is loosened or clamped; when the nip portion of the pressure wire handle is pressed, the pressing portion is away from the ring shape. On the outer side of the metal piece, the elastic force of the annular metal piece displaces or overlaps the wire insertion holes of the two overlapping lines, and the power supply wire is clamped or loosened.
A lamp comprising a lamp body provided with a light-emitting component on a front side, wherein a rear side of the lamp body is provided with a power supply compartment for accommodating a power box structure; and a bottom or side wall of the power supply compartment is provided with The electrical connection piece/electrical connection terminal of the power supply box is electrically connected to the electrical terminal/electrical piece.
The luminaire of claim 5, further comprising a power box structure according to any of claims 1-4, said power box structure being disposed within a power supply bay.
The luminaire according to claim 6, wherein the power supply box structure has a convex portion on one side and an elastic fastening portion on the opposite side, and one side wall of the power supply housing is provided for accommodating The groove of the boss portion and the opposite side wall are provided with a snap groove for inserting the elastic fastening portion.
The luminaire according to claim 5, 6 or 7, wherein the rear side of the lamp body is provided with a power base, the power base is provided with the power supply bin; and the power base is located at the power supply bin a connecting through hole on the bottom or the side wall, and a connecting component corresponding to the connecting through hole; the connecting component is a power receiving terminal assembly or a power tab assembly;

The electrical terminal assembly includes a terminal circuit board, a spring and a bottom plate sequentially disposed outside the connecting through hole; the bottom plate is provided with a coupling post for fixedly coupling with the power base, and the spacer portion located at the middle and on both sides of the spacer portion a spring positioning groove; the terminal circuit board is further provided with a guiding hole for passing through the coupling post and a guiding groove for inserting the spacer piece; the terminal circuit board is further provided with a power receiving terminal, and is used for a wire bonding leg electrically connected to the light emitting component; the electrical terminal on the terminal circuit board is always electrically connected to the electrical connecting piece on the power supply box under the action of the spring;

The power strip assembly includes a power strip circuit board disposed outside the connection through hole; the power board circuit board is provided with a power receiving piece, and a wire bonding leg for electrically connecting with the light emitting component;

When the connecting component is a power receiving piece assembly, the inner bottom surface or the side surface of the power supply box is provided with an electrical connection terminal supported by a spring; the electrical connection terminal is always connected to the power supply base under the action of the spring. A piece of electrical connection.
The luminaire according to claim 5, 6 or 7, wherein the front side of the lamp body is provided with a front cavity for accommodating the illuminating component, and the side wall of the front cavity is provided with a card slot, and the illuminating component The front side is provided with a fixing ring; the outer side of the fixing ring is provided with a plurality of snap protrusions embedded in the card slot.
The method of rapid electrical connection of the luminaire, the method is to electrically connect the driving power supply part of the luminaire with the illuminating component, and adopt the quick-disassembling terminal and the connecting piece to make the driving power part become a separate component; when installing the luminaire, Firstly, the external wire is fixedly coupled with the driving power supply part, and then the driving power supply part is installed in the body part of the lamp in a card slot manner, and finally the installation of the entire lamp is completed;

Among them, the driving power part adopts a crimping handle to realize quick installation with external wires by means of lever force.