CN108954034B - LED corn lamp - Google Patents

LED corn lamp Download PDF

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Publication number
CN108954034B
CN108954034B CN201810970171.5A CN201810970171A CN108954034B CN 108954034 B CN108954034 B CN 108954034B CN 201810970171 A CN201810970171 A CN 201810970171A CN 108954034 B CN108954034 B CN 108954034B
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CN
China
Prior art keywords
light source
led
source module
led light
connecting ring
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Active
Application number
CN201810970171.5A
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Chinese (zh)
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CN108954034A (en
Inventor
林麟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yinxu Fujian Intelligent Electrical Appliance Co ltd
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Yinxu Fujian Intelligent Electrical Appliance Co ltd
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Priority to CN201810970171.5A priority Critical patent/CN108954034B/en
Publication of CN108954034A publication Critical patent/CN108954034A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V31/00—Gas-tight or water-tight arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/30—Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

The invention provides an LED corn lamp, comprising: the LED light source module comprises a shell, a driving power supply and an LED light source module, wherein the driving power supply is arranged in the shell, the driving power supply is electrically connected with the LED light source module, the LED light source module further comprises a first connecting piece, the first connecting piece comprises a cover plate and a first connecting ring, the cover plate is covered on the shell, the first connecting ring is connected with the cover plate through a plurality of first connecting ribs arranged at intervals, and the first connecting ring, the cover plate and the adjacent first connecting ribs jointly form a through hole; the LED light source module is of a hollow cylindrical structure and comprises a plurality of hollow cylindrical light source units which are detachably spliced end to end, the head end of the LED light source module is connected to a first connecting ring of a first connecting piece, and a tail end opening, an inner hollow cavity and a through hole of the first connecting piece of the LED light source module are communicated to form a heat dissipation channel.

Description

LED corn lamp
Technical Field
The invention relates to the field of illumination, in particular to an LED corn lamp which has the advantages of good heat dissipation performance, simple structure, low cost, adjustable power and easy replacement.
Background
Energy and environment are important challenges facing humans in the 21 st century, so green energy conservation is the focus of world attention. Taking illumination as an example, the LED is called a fourth generation illumination light source or a green light source because of the advantages of energy saving, environmental protection, long service life, small volume and the like, and has no opportunity in the illumination field.
In people's life, LED light sources are widely used, and compared with traditional vacuum incandescent bulbs, LED light sources have incomparable advantages, do not need to be packaged in vacuum glass, are impact and collision resistant, are durable in use, and are pollution-free and mercury-free light sources. Then, since the maximum light emitting angle of the LED is 120 °, the LED is specially designed to emit light of 360 ° in consideration of uniformity of light emission, and is shaped like a corn cob, so that the LED corn light appears. Because the larger the LED power is, the larger the generated heat is, the lamp beads are stuck on the aluminum substrate by using the solder paste produced by the conventional process to be stuck into a single light source board for insertion, and in order to better dissipate heat, a radiator is added in many LED corn lamps, and the LED corn lamps are conducted to the support through wafers to the solder paste to the aluminum substrate to the radiating piece to the plastic surface, so that the heat conductivity is low, and the practical use power of the lamp beads is low. And the increase of the radiator increases the cost of the LED corn lamp, and the volume of the LED corn lamp is larger, the structure is complex, and the cost is high. In addition, in the light source of the LED corn lamp, the particle number of the LED chips is fixed, and when the power of the regulator is required, the power of the light source can be regulated only by changing the current, so that the regulating range is limited. Furthermore, if the light source is mostly fixed into an integral structure, if individual or partial dead lamps occur, the part connected with the dead lamps in series cannot work, and the integral light source structure cannot be replaced by the light source part alone after the dead lamps occur, so that resources are wasted.
Disclosure of Invention
Therefore, the LED corn lamp provided by the invention has the characteristics of simple structure, low cost, adjustable power, easiness in replacement and good heat dissipation performance.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an LED corn light comprising: the LED light source module comprises a shell, a driving power supply and an LED light source module, wherein the driving power supply is arranged in the shell, the driving power supply is electrically connected with the LED light source module, the LED light source module further comprises a first connecting piece, the first connecting piece comprises a cover plate and a first connecting ring, the cover plate is covered on the shell, the first connecting ring is connected with the cover plate through a plurality of first connecting ribs arranged at intervals, and the first connecting ring, the cover plate and the adjacent first connecting ribs jointly form a through hole; the LED light source module is of a hollow cylindrical structure and comprises a plurality of hollow cylindrical light source units which are detachably spliced end to end, the head end of the LED light source module is connected to a first connecting ring of a first connecting piece, and a tail end opening, an inner hollow cavity and a through hole of the first connecting piece of the LED light source module are communicated to form a heat dissipation channel.
Further, an annular connecting groove is formed in the first connecting ring of the first connecting piece, and the first end of the LED light source module is fixedly connected to the annular connecting groove of the first connecting ring.
Further, the LED lamp further comprises a second connecting piece, the second connecting piece comprises a second connecting ring, the second connecting ring is detachably and fixedly arranged between the head end and the tail end of the adjacent light source units, and further, the head end and the tail end of the adjacent light source units are detachably spliced.
Still further, the upper and lower surfaces of second go-between all are equipped with annular spread groove, and the head and the tail end of adjacent light source unit respectively detachable fixed connection is in the annular spread groove of the upper and lower surface of second go-between, and then realizes the detachable concatenation of head and the tail.
Still further, the head end and the tail end of the light source units are respectively provided with an electric contact, the second connecting ring is provided with an electrode column, and when the adjacent light source units are connected through the second connecting ring, the electric contact at the tail end of the first light source unit is electrically connected with the electric contact at the head end of the second light source unit through the electrode column.
Still further, the positions of the electrical contacts at the head end and the electrical contacts at the tail end of the light source unit are staggered in the axial direction.
Still further, the plurality of light source units are connected in parallel.
Still further, be equipped with location structure on the second go-between, location connection between second go-between and the light source unit, and then make electrode post and electrical contact corresponding and form electric connection.
Still further, still include the guide post, the guide post is in the cavity of interval wears to locate LED light source module to in the fixed connecting hole of locating the apron of first connecting piece that inserts, the second connecting piece still includes the uide bushing, the uide bushing is the interval setting in the second intra-annular that connects, and the two links to each other through many second connecting bars that are the interval setting, the uide bushing cup joints and fixes a position on the guide post.
Further, the LED lamp module comprises an end cover, wherein the end cover is covered on the tail end of the LED lamp module, and a yielding port corresponding to the tail end opening of the LED lamp module is formed in the end cover.
Further, the light source units each include: the light source units each include: the LED chip array is packaged on the outer surface of the bracket and is electrically connected with the bracket line, the packaging glue comprises fluorescent glue and insulating glue, the fluorescent glue is coated on the surface of the LED chip, and the insulating glue is used for sealing and covering the outer surface of the bracket and the surface of the bracket line.
The LED light source module is characterized in that a wafer is directly packaged on a whole soft and foldable bracket, and the wafer is not required to be adhered to an aluminum substrate. The LED wafers are packaged on the support in an array mode according to a certain interval and are connected with the support, and the packaging adhesive comprises fluorescent adhesive and insulating adhesive. The front support of the light source is insulated. The back of the bracket is exposed, and a plurality of through air guide holes (diameter is phi 1.5mm x 6 mm) are arranged on the module to increase heat dissipation.
According to the technical scheme provided by the invention, the LED light source module is connected to the shell through the first connecting piece, the through hole is formed in the first connecting piece, the LED light source module is of a hollow cylindrical structure, and the tail end opening of the LED light source module, the hollow cavity in the LED light source module and the through hole of the first connecting piece are communicated to form a heat dissipation channel, so that the heat dissipation piece is not needed. When the LED whole lamp is lighted, the heat of the wafer is directly conducted to the inner surface and the outer surface of the bracket to be contacted with air, the heat is directly radiated by hot and cold air convection, the outer surface of the LED whole lamp is directly contacted with the air to radiate, and the internal heat flows upwards to the through hole of the first connecting piece and the through hole of the module according to the airflow of the chimney effect to flow out, so that the circulating radiating airflow is formed. The LED light source module improves the heat dissipation rate and the heat dissipation surface, so that the product has the advantages of light flux, light effect, light flux maintenance rate, service life improvement, simple structure and low cost.
The LED light source module comprises a plurality of hollow cylindrical light source units which are detachably spliced end to end, the number of the assembled light source units can be selected according to the actually required power, and the adjustment range is wide; if an abnormality occurs in a single light source unit, such as a lamp-dead phenomenon, the abnormal light source unit can be replaced in a targeted manner, and other parts of the lamp, such as the shell, the driving power supply and the normal light source unit, can be continuously used, so that the loss is controlled to be minimum, and the resource waste is avoided.
Drawings
Fig. 1 is a schematic structural diagram of an LED corn lamp according to a first embodiment;
FIG. 2 is an exploded view of an LED corn light according to the first embodiment;
FIG. 3 is a schematic cross-sectional view of an LED corn light according to the first embodiment;
fig. 4 is a schematic structural diagram of a first connector of the LED corn lamp according to the first embodiment;
fig. 5 is a schematic structural diagram of a second connector of the LED corn lamp according to the first embodiment;
fig. 6 is a simplified schematic diagram of the circuit connection of the LED corn light in the second embodiment.
Detailed Description
For further illustration of the various embodiments, the invention is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present invention. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.
The invention will now be further described with reference to the drawings and detailed description.
Example 1
Referring to fig. 1 to 5, an LED corn lamp provided in this embodiment includes: the LED lamp comprises a shell, a driving power supply and an LED light source module, wherein the shell comprises a lamp cap 11 and an outer shell 12, the outer shell 12 is a plastic shell, the driving power supply is arranged in the outer shell 12, the lamp cap 11 is electrically connected with the driving power supply, and the structure of the lamp cap 11 electrically connected with the driving power supply is conventional technology and will not be described in detail.
The first connecting piece 40 is further included, the first connecting piece 40 includes a cover plate 41 and a first connecting ring 42, the cover plate 41 is covered on the housing, and then the driving power supply is covered, the first connecting ring 42 is connected with the cover plate 41 through six first connecting ribs 43 arranged at intervals, the first connecting ring 42, the cover plate 41 and the adjacent first connecting ribs 43 jointly form a through hole 44, in this specific embodiment, the through holes 44 are distributed along the outer circumference side of the first connecting piece 40, six through holes 44 are provided, and in other embodiments, the number of the through holes 44 can be set to be other, such as two, three and the like.
The LED light source module is of a hollow cylindrical structure, and includes a plurality of hollow cylindrical light source units 30 that are detachably spliced end to end, in this embodiment, the number of the light source units 30 is three, and in other embodiments, two or more than three may be adopted, which will not be described in detail.
In the LED light source modules spliced by the plurality of hollow cylindrical light source units 30, the head end of the first light source unit 30 is the head end of the LED light source module, the tail end of the last light source unit 30 is the tail end of the LED light source module, the head end of the LED light source module is connected to the first connection ring 42 of the first connection member 40, and the tail end opening 31, the internal hollow cavity 32 and the through hole 44 of the first connection member 40 of the LED light source module are communicated to form a heat dissipation channel.
Specifically, the first connecting ring 42 of the first connecting member 40 is provided with an annular connecting groove 421, and the first end of the LED light source module is fixedly connected to the annular connecting groove 421 of the first connecting ring 42. In this embodiment, the fixing manner of the head end of the LED light source module and the annular connecting groove 421 is a screw connection, and in other embodiments, the fastening manner, the bonding manner, etc. in the prior art may also be adopted, which will not be described in detail here.
Further, in this embodiment, the device further includes a second connecting member 50, where the second connecting member 50 includes a second connecting ring 51, where the second connecting ring 51 is detachably and fixedly disposed between the head and tail ends of the adjacent light source units 30, specifically, the upper and lower surfaces of the second connecting ring 51 are respectively provided with an annular connecting groove 511, and the head and tail ends of the adjacent light source units 30 are respectively and detachably and fixedly connected in the annular connecting grooves 511 of the upper and lower surfaces of the second connecting ring 51, so as to realize the head and tail detachable splicing. Similarly, the annular connecting groove 511 is screwed to the light source unit 30, and of course, in other embodiments, the fastening, bonding, etc. of the prior art may be adopted, which will not be described in detail herein.
Further, in this embodiment, the LED light source module further includes a guide post 70, the guide post 70 is arranged in the hollow cavity of the LED light source module in a penetrating manner at intervals, and is fixedly inserted into the connecting hole 45 of the cover plate 41 of the first connecting piece 40, the second connecting piece 50 further includes a guide sleeve 52, the guide sleeve 52 is arranged in the second connecting ring 51 at intervals, the guide sleeve 52 and the guide sleeve are connected through a plurality of second connecting ribs 53 arranged at intervals, and the guide sleeve 52 is sleeved on the guide post 70 for positioning. By adding the guiding positioning matching of the guiding post 70 and the guiding sleeve 52, on one hand, the structure of positioning guiding can be realized, and on the other hand, the supporting effect can be realized, so that the connecting structure is enhanced, and the light source units 30 spliced end to end are not easy to deviate.
Further, in this embodiment, the LED light source module further includes an end cover 60, wherein the end cover 60 covers the tail end of the LED light source module, and a yielding port corresponding to the tail end opening of the LED light source module is provided on the end cover. Further, to reduce parts, the end cap 60 is directly replaced with the structure of the second connector 50. The end cover 60 is added to prevent the tail end of the LED light source module from being exposed, so that the tail end of the LED light source module is prevented from being damaged, and the stability of the structure is improved. Of course, in other embodiments, the configuration of the end cap 60 may not be required.
The light source units 30 each include: the LED packaging structure comprises a hollow cylindrical support (not shown), a support circuit (not shown), an LED chip (not shown) and packaging glue (not shown), wherein the support is flexible, a hollow cylindrical structure is integrally formed through bending of the support, and particularly, the support is an iron nickel-plated composite layer, and the thickness of the iron nickel-plated composite layer is 0.1-0.5 mm. Of course, in other embodiments, the bracket may also be a composite layer structure such as iron-plated copper or iron-plated aluminum.
The LED chip array is packaged on the support and connected to form an LED luminous part, the packaging adhesive comprises fluorescent adhesive and insulating adhesive, the fluorescent adhesive is coated on the surface of the LED chip, and the insulating adhesive is used for sealing and covering the support circuit. So set up, the light source unit outward appearance is sealed the setting, has fine protective structure, can effectually waterproof, dustproof, need not to adopt the structure of lamp shade, and the light source unit outward appearance is direct with external environment contact, and heat dispersion is better. Further, the insulating paste is preferably made of silica gel or the like having good thermal conductivity.
Further, a plurality of air guide holes penetrating through the LED light source module are further formed in the LED light source module, the air guide holes are connected with the inside and the outside of the hollow cylinder, circulation of air inside and outside is enhanced, and heat dissipation is better.
The driving power supply is electrically connected to the LED light source module, in this embodiment, the cover plate 41 of the first connecting member 40 is provided with a threading hole 411 through which the power cord passes, and the output end of the driving power supply is electrically connected to each light source unit 30 through the power cord. For convenience of operation, the electrical connection between the power cord and the light source unit 30 is preferably a plug connection, i.e., plug connection is implemented between the power cord and the light source unit through a male-female electrical plug.
Through the scheme of this embodiment, tail end opening, inside cavity and the through-hole of first connecting piece of LED light source module link up mutually and form a heat dissipation passageway, and when the whole lamp of LED lights the during operation wafer heat direct conduction is all contacted with the air to support inside and outside 2 faces, by the direct heat dissipation of hot and cold air convection, the surface is direct with the air contact heat dissipation, and inside heat flows to the through-hole of first connecting piece and the module through-hole outflow according to chimney effect air current upwards, forms circulation heat dissipation wind flow. The LED light source module improves the heat dissipation rate and the heat dissipation surface, so that the product has the advantages of light flux, light effect, light flux maintenance rate, service life improvement, simple structure and low cost.
Example two
The structure of the LED corn lamp provided in this embodiment is substantially the same as that in the first embodiment, and the difference is that: referring to fig. 6, in this embodiment, the driving power supply 20 is electrically connected to the LED light source module in the following manner: the head end and the tail end of the light source units 30 are respectively provided with electrical contacts 301 and 302, the second connecting ring 51 is provided with an electrode column 501, and when adjacent light source units 30 are connected through the second connecting ring 51, the electrical contact 302 at the tail end of the previous light source unit 30 is electrically connected with the electrical contact 301 at the head end of the next light source unit 30 through the electrode column 501.
Compared with the first embodiment, the complicated power line structure is omitted, and the driving power supply 20 only needs to be electrically connected with the first light source unit 30 through the power line, so that the structure is simplified, and the abnormality such as broken line, short circuit and the like caused by excessive exposure of the power line is avoided; more importantly, when the user is in replacement, the power line is not required to be electrically connected to each light source unit 30, the step is omitted, the operation is simpler and more convenient, the operation steps are simply described, the circuit-unaware people can also assemble the circuit-unaware people by themselves, and the use population is wider.
Further, in this embodiment, a positioning structure (not shown) is disposed on the second connection ring 51, and the second connection ring 51 is connected to the light source unit 30 in a positioning manner, so that the electrode pillar 501 corresponds to the electrical contact and forms an electrical connection. The addition of the positioning structure can more conveniently lead the electrode column 501 to correspond to the electric contact and form electric connection. In this embodiment, the annular connecting groove 511 of the second connecting ring 51 is screwed to the light source unit 30, and the positioning structure is an abutting portion (not shown) disposed in the annular connecting groove 511 of the second connecting ring 51 and close to the end of the screw thread, when the light source unit 30 is screwed to the end of the annular connecting groove 511, the abutting portion is abutted, and at this time, as long as a certain force is applied to make the light source unit 30 pass over the abutting portion to the end of the screw thread, the electrode column 501 exactly corresponds to the electrical contact and forms an electrical connection. Of course, in other embodiments, the positioning structure may be a clamping positioning in the conventional technology, or a positioning structure of the positioning hole and the positioning column, which will not be described in detail herein.
Further, the positions of the electrical contacts 301 at the head end and the electrical contacts 302 at the tail end of the light source unit 30 are staggered in the axial direction, as shown in fig. 6. Although the LED chip has a reverse blocking function, if the positive and negative poles of the light source unit 30 are reversed, there is a possibility of breakdown. The positions of the electric contact 301 at the head end and the electric contact 302 at the tail end are staggered in the axial direction, so that when the light source units 30 are reversely arranged, the adjacent light source units 30 can not form electric contact, and better prevention is realized. Of course, the electrical contact 301 at the head end of the light source unit and the electrical contact 302 at the tail end can also be indicated by conventional labels to tell the user to distinguish.
Further, the plurality of light source units 30 are connected in parallel so as not to affect each other among the light source units 30.
Of course, in other embodiments, if a serial arrangement is used, electrode pads (not shown) may be provided on the end caps to connect the positive and negative electrical contacts at the tail end of the last light source unit to complete the circuit.
Through the technical scheme, the LED light source module is connected to the shell through the first connecting piece, the through hole is formed in the first connecting piece, the LED light source module is of a hollow cylindrical structure, the tail end opening of the LED light source module, the inner hollow cavity and the through hole of the first connecting piece are communicated with each other to form a heat dissipation channel, when the LED light source module is used, heat generated by the LED light source module is accumulated in the inner hollow cavity of the LED light source module, the temperature rises, airflow upwards flows to the through hole of the first connecting piece according to the chimney effect and flows out, cold air flows in from the tail end opening of the LED light source module to form circulating heat dissipation airflow, and the LED light source module is simple in structure, low in cost and good in heat dissipation performance.
The LED light source module comprises a plurality of hollow cylindrical light source units which are detachably spliced end to end, the number of the assembled light source units can be selected according to the actually required power, and the adjustment range is wide; if an abnormality occurs in a single light source unit, such as a lamp-dead phenomenon, the abnormal light source unit can be replaced in a targeted manner, and other parts of the lamp, such as the shell, the driving power supply and the normal light source unit, can be continuously used, so that the loss is controlled to be minimum, and the resource waste is avoided.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. An LED corn light comprising: casing, drive power supply and LED light source module, drive power supply sets up in the casing, drive power supply electricity is connected LED light source module, its characterized in that: the connecting device comprises a shell, and is characterized by further comprising a first connecting piece, wherein the first connecting piece comprises a cover plate and a first connecting ring, the cover plate is covered on the shell, the first connecting ring is connected with the cover plate through a plurality of first connecting ribs arranged at intervals, and the first connecting ring, the cover plate and the adjacent first connecting ribs form a through hole together; the LED light source module is of a hollow cylindrical structure and comprises a plurality of hollow cylindrical light source units which are detachably spliced end to end, the head end of the LED light source module is connected to a first connecting ring of a first connecting piece, and the tail end opening of the LED light source module, the hollow cavity in the LED light source module and the through hole of the first connecting piece are communicated to form a heat dissipation channel;
the first connecting ring of the first connecting piece is provided with an annular connecting groove, and the head end of the LED light source module is fixedly connected to the annular connecting groove of the first connecting ring;
the second connecting piece comprises a second connecting ring, and the second connecting ring is detachably and fixedly arranged between the head end and the tail end of the adjacent light source units, so that the head end and the tail end of the adjacent light source units can be detachably spliced;
the upper surface and the lower surface of the second connecting ring are respectively provided with an annular connecting groove, the head end and the tail end of the adjacent light source units are respectively and detachably fixedly connected in the annular connecting grooves of the upper surface and the lower surface of the second connecting ring, and then the head end and the tail end can be detachably spliced.
2. The LED corn light of claim 1, wherein: the head end and the tail end of the light source units are respectively provided with an electric contact, the second connecting ring is provided with an electrode column, and when adjacent light source units are connected through the second connecting ring, the electric contact at the tail end of the previous light source unit is electrically connected with the electric contact at the head end of the next light source unit through the electrode column.
3. The LED corn light of claim 2, wherein: the positions of the electric contact at the head end and the electric contact at the tail end of the light source unit are staggered in the axial direction.
4. The LED corn light of claim 2, wherein: the second connecting ring is provided with a positioning structure, and the second connecting ring is in positioning connection with the light source unit, so that the electrode column corresponds to the electric contact and is electrically connected with the electric contact.
5. The LED corn light of claim 1, wherein: still include the guide post, the guide post is in the cavity of interval wears to locate LED light source module to in the fixed connecting hole of locating the apron of first connecting piece that inserts, the second connecting piece still includes the uide bushing, the uide bushing is the interval setting in the second intra-annular that connects, and the two links to each other through many second connecting bars that are the interval setting, the uide bushing cup joints and fixes a position on the guide post.
6. The LED corn light of claim 1, wherein: the LED light source module is characterized by further comprising an end cover, wherein the end cover covers the tail end of the LED light source module, and a yielding port corresponding to the tail end opening of the LED light source module is formed in the end cover.
7. The LED corn light of claim 1, wherein: the light source units each include: the LED chip array is packaged on the outer surface of the bracket and is electrically connected with the bracket line, the packaging glue comprises fluorescent glue and insulating glue, the fluorescent glue is coated on the surface of the LED chip, and the insulating glue is used for sealing and covering the outer surface of the bracket and the surface of the bracket line.
CN201810970171.5A 2018-08-24 2018-08-24 LED corn lamp Active CN108954034B (en)

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202915073U (en) * 2012-07-03 2013-05-01 中山市雷震子安防科技有限公司 Light-emitting diode (LED) corn lamp
CN203068326U (en) * 2013-02-01 2013-07-17 上海大晨光电科技有限公司 Inclination tunable waterproof modular LED street lamp
CN203176809U (en) * 2013-02-28 2013-09-04 深圳市通普科技有限公司 LED corn lamp
CN203628364U (en) * 2013-12-12 2014-06-04 深圳市柏西凌光电科技有限公司 Fin type radiating LED corn lamp
CN104214575A (en) * 2014-09-30 2014-12-17 杨小晨 LED corn lamp
CN104565933A (en) * 2015-01-01 2015-04-29 华南理工大学 LED corn light
CN204328950U (en) * 2014-07-17 2015-05-13 颜革强 A kind of cross-ventilation two-side radiation corn lamp
CN204513063U (en) * 2015-04-28 2015-07-29 谢金杰 A kind of LED corn lamp
CN205579210U (en) * 2016-05-12 2016-09-14 中山市卡弗照明有限公司 Modular LED light structures
CN205806980U (en) * 2016-06-06 2016-12-14 深圳市莱可照明科技有限公司 A kind of LED corn lamp
CN106523944A (en) * 2016-12-29 2017-03-22 东莞市合将艺光光电科技有限公司 Improved corn light
CN206469095U (en) * 2016-12-29 2017-09-05 东莞市合将艺光光电科技有限公司 A kind of improved corn lamp
CN207661555U (en) * 2017-12-28 2018-07-27 南京勤绿光电科技有限公司 Efficiency heat-radiating LED lamp
CN208566241U (en) * 2018-08-24 2019-03-01 厦门银旭工贸有限公司 A kind of LED corn lamp

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202915073U (en) * 2012-07-03 2013-05-01 中山市雷震子安防科技有限公司 Light-emitting diode (LED) corn lamp
CN203068326U (en) * 2013-02-01 2013-07-17 上海大晨光电科技有限公司 Inclination tunable waterproof modular LED street lamp
CN203176809U (en) * 2013-02-28 2013-09-04 深圳市通普科技有限公司 LED corn lamp
CN203628364U (en) * 2013-12-12 2014-06-04 深圳市柏西凌光电科技有限公司 Fin type radiating LED corn lamp
CN204328950U (en) * 2014-07-17 2015-05-13 颜革强 A kind of cross-ventilation two-side radiation corn lamp
CN104214575A (en) * 2014-09-30 2014-12-17 杨小晨 LED corn lamp
CN104565933A (en) * 2015-01-01 2015-04-29 华南理工大学 LED corn light
CN204513063U (en) * 2015-04-28 2015-07-29 谢金杰 A kind of LED corn lamp
CN205579210U (en) * 2016-05-12 2016-09-14 中山市卡弗照明有限公司 Modular LED light structures
CN205806980U (en) * 2016-06-06 2016-12-14 深圳市莱可照明科技有限公司 A kind of LED corn lamp
CN106523944A (en) * 2016-12-29 2017-03-22 东莞市合将艺光光电科技有限公司 Improved corn light
CN206469095U (en) * 2016-12-29 2017-09-05 东莞市合将艺光光电科技有限公司 A kind of improved corn lamp
CN207661555U (en) * 2017-12-28 2018-07-27 南京勤绿光电科技有限公司 Efficiency heat-radiating LED lamp
CN208566241U (en) * 2018-08-24 2019-03-01 厦门银旭工贸有限公司 A kind of LED corn lamp

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