CN202303072U - LED (light emitting diode) illumination streetlamp - Google Patents
LED (light emitting diode) illumination streetlamp Download PDFInfo
- Publication number
- CN202303072U CN202303072U CN2011205609126U CN201120560912U CN202303072U CN 202303072 U CN202303072 U CN 202303072U CN 2011205609126 U CN2011205609126 U CN 2011205609126U CN 201120560912 U CN201120560912 U CN 201120560912U CN 202303072 U CN202303072 U CN 202303072U
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- light source
- source chamber
- lamp holder
- lens
- led
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Abstract
The utility model provides an LED (light emitting diode) illumination streetlamp. An integrated LED is arranged in a metal lamp cap body in which a lamp cap frame, a concave light source chamber and a plurality of radiating fins are formed, wherein a heat conduction block is arranged in the light source chamber, and attached to the bottom wall of the light source chamber; the integrated LED is fixed on the heat conduction block in the light source chamber; the opening end of the light source chamber is provided with a lens component and sealed with the lens component; a drive power supply is arranged in a metal waterproof power supply box; the opening end of the metal waterproof power supply box is provided with a seal cover; a wire incoming port formed on the seal cover is in thread fit with a wire incoming waterproof plug; the metal waterproof power supply box is connected and fixed on the back of the light source chamber of the lamp cap body by a fastening piece, and closely attached to the metal lamp cap body; and the cable of the integrated LED in the light source chamber is connected with the drive power supply in the metal waterproof power supply box through the line hole. The LED illuminating streetlamp has high heat radiation property and high waterproofing performance, and can adapt to various climatic environments.
Description
Technical field
The utility model relates to a kind of lighting, the LED illuminating street lamp that particularly a kind of perfect heat-dissipating and water proofing property are strong.
Background technology
The advantage of LED street lamp is that power consumption is low, and long service life is having bigger advantage aspect energy-saving and cost-reducing, but because the heat that produces during the work of LED street lamp is higher, the heat radiation that must solve the LED street lamp, present LED road lamp cooling mainly contains following several kinds of modes:
The first, take automatic heat radiation, LED is fixed on the aluminium base, aluminium base is connected with main radiator, and the heat of sending out when through aluminium base LED being worked conducts main radiator, utilizes main radiator distribute heat in air to realize the cooling of LED street lamp.The main radiator volume of this structure requires big, causes the volume of whole LED street lamp to increase.
The second, take forced heat radiation, promptly the lamp box at the LED street lamp is provided with electric fan, forces blowing through electric fan to radiator, realizes forced heat radiation.This structure increases the cost of manufacture of LED street lamp, and in the work of LED street lamp, electric fan is also worked simultaneously; Power consumption increases, and the life-span of use cost also corresponding increase, especially electric fan is well below the life-span of LED; Need often maintenance, change electric fan; Maintenance cost also increases, and causes expense to increase, and is unfavorable for promoting the use of of LED street lamp.
Three, adopt the technology heat radiation of the heat-exchange tube cooling of similar refrigeration plant; Refrigerating plant need be set; And carry out heat exchange heat radiation through the fluid heat-exchange tube of flowing through, the volume of the total of LED street lamp was increased, structure is more complicated; Cost of manufacture and use cost are also higher, are unfavorable for promoting the use of of LED street lamp.
In view of the foregoing, the LED street lamp is emphasis heat dispersion, hole that its light source chamber, power pack all can be provided for ventilating usually or mouth usually; Air can be circulated realize heat radiation, cause existing LED street lamp water resistance relatively poor thus, the outer cover of rain cover generally also need be set in addition; Even like this, its outer cover also need maintain the circulation of air, but malaria or heavy rain still can make water smoke or rainwater get in the body; Cause led circuit by etch, cause the LED street lamp to shorten service life.The contradiction of this thermal diffusivity and water proofing property failed effectively to solve in the past always.
Summary of the invention
The purpose of the utility model is the problem that exists to above-mentioned prior art, provides a kind of perfect heat-dissipating and water proofing property strong LED illuminating street lamp.It adopts the metallic lamp holder body of integrated formed structure; Make light source chamber be positioned at lamp holder frame center; Some fin are radial and link to each other with the lamp holder frame with light source chamber, a heat exchange block is set in the light source chamber is connected between integrated LED and the light source chamber diapire, and driving power is installed in the metal waterproof power pack; Make metal waterproof power pack show consideration for tight with the light source chamber back side and metallic lamp holder that securing member is fastened on body; Existing very high thermal diffusivity has very high water proofing property again, can adapt to various climatic environments.
The purpose of the utility model is achieved in that and comprises integrated LED, driving power; Said integrated LED is installed in the metallic lamp holder body, and the said metallic lamp holder body structure that is formed in one forms the lamp holder frame, is light source chamber and some fin of cavity on it; Said light source chamber is positioned at lamp holder frame center; Some fin are radial and link to each other with the lamp holder frame with light source chamber, and the diameter length of fin from light source chamber to lamp holder frame length >=light source chamber has clearance space between the adjacent fin; One heat exchange block is set in the said light source chamber, and heat exchange block and light source chamber diapire are fitted, and integrated LED is fixed on and is arranged in light source chamber on the heat exchange block, and light source chamber mouth end mounted lens assembly also forms sealing; Said driving power is installed in the metal waterproof power pack, and the mouth end of metal waterproof power pack is provided with seal cover, and seal cover is provided with entrance hole and inlet wire waterproof plug screw threaded engagement; The light source chamber back side and the metallic lamp holder that said metal waterproof power pack is fastened on body with securing member shown consideration for tight, and the cable of the integrated LED in the light source chamber is connected with driving power in the metal waterproof power pack through cable-through hole.
Said heat exchange block is the red copper piece, and the area of this red copper piece is greater than the area of integrated LED.
Said heat exchange block is provided with the open slot or the through hole of stepping down for lead.
Said metal waterproof power pack outer wall is provided with some radiating fins.
Said metal waterproof power pack is connected through hollow bolt with the light source chamber of metallic lamp holder body to be fixed, and the axis through-hole on the hollow bolt is a cable-through hole.
Said lens subassembly comprises lens, sealing ring and lens fixed mount; Between lens and the light source chamber sealing ring is set; The lens fixed mount is pushed down lens, is fastenedly connected metallic lamp holder body and lens fixed mount through bolt, lens is press-fited be fixed on light source chamber mouth end and form sealing.
Said lens circumference is provided with the flange that radially extends, and light source chamber mouth end is provided with annular groove, and sealing ring is located in the annular groove of light source chamber mouth end, and the flange of lens circumference is pushed down sealing ring in the annular groove of light source chamber mouth end, forms the sealing to light source chamber.
Be provided with rubber washer between said lens fixed mount and the lens.
A U type support is connected on the metallic lamp holder body through bolt, is with the angle that Anti-rotating grommet is used for fixing support on the bolt.
The erection support that said metallic lamp holder body both sides form two symmetries supplies the installation of U type support to connect.
Adopt such scheme, the utility model LED illuminating street lamp had the following advantages:
The said metallic lamp holder body structure that is formed in one; Form the lamp holder frame on it, be light source chamber and some fin of cavity; Said light source chamber is positioned at lamp holder frame center; Some fin are radial and link to each other with the lamp holder frame with light source chamber, and the diameter length of fin from light source chamber to lamp holder frame length >=light source chamber has clearance space between the adjacent fin.Such structure makes metallic lamp holder body itself just become the device with extremely strong heat sinking function; The diameter length of fin from light source chamber to lamp holder frame length >=light source chamber; The surface area that contacts with air of some fin is far longer than the surface area of light source chamber, and the clearance space between the fin forms gas channel in distribute heat, and gas passes through from the gas channel between the fin; Take away a large amount of heats; Quicken heat radiation, improve the whole heat sinking function of metallic lamp holder body thus, make the radiating efficiency of the utility model LED illuminating street lamp be far longer than existing LED street lamp.
And a heat exchange block is set in said light source chamber, and heat exchange block and light source chamber diapire are fitted, and integrated LED is fixed on and is arranged in light source chamber on the heat exchange block, and light source chamber mouth end mounted lens assembly also forms sealing.Make light source chamber form hermetically-sealed construction like this, can prevent that rainwater, fog from getting into light source chamber, guarantees that the circuit of integrated LED can not guaranteed the service life of LED by etch; And the heat absorption that set heat exchange block produces can integrated LED be worked the time is conducted to the metallic lamp holder body again, through fin on the metallic lamp holder body and light source locular wall distribute heat.Especially heat exchange block adopts the red copper piece; The area of this red copper piece utilizes heat absorption of red copper piece and the good advantage of heat-transfer effect greater than the area of integrated LED, is at light source chamber under the situation of sealing state; Can give the metallic lamp holder body with heat absorption and quick conduction that integrated LED produces; Through the good heat sinking function of metallic lamp holder body structure, a large amount of distribute heats are realized high efficiency cooling.
Because said driving power is installed in the metal waterproof power pack, and the mouth end of metal waterproof power pack is provided with seal cover, seal cover is provided with entrance hole and inlet wire waterproof plug screw threaded engagement simultaneously.Make the power pack of installing drive power supply also be in sealing state like this, have water-proof function.And that the light source chamber back side and metallic lamp holder that said metal waterproof power pack is fastened on body with securing member are shown consideration for is tight, and the cable of the integrated LED in the light source chamber is connected with driving power in the metal waterproof power pack through cable-through hole.Making metal waterproof power pack and metallic lamp holder body like this is two relatively independent parts, makes respectively easily; And both with securing member connect fixedly be close together after; Can conduct heat again; The heat that driving power in the metal waterproof power pack is produced can directly distribute cooling from metal waterproof power pack, and can also heat be conducted to the metallic lamp holder body, distributes from the fin of metallic lamp holder body; Quicken radiating and cooling, improve the service life of driving power.
Especially said metal waterproof power pack is connected through hollow bolt with the light source chamber of metallic lamp holder body to be fixed, and the axis through-hole on the hollow bolt is a cable-through hole.Can be connected and fixed metal waterproof power pack and metallic lamp holder body through hollow bolt like this; The lead that connects integrated LED and driving power is passed from the cable-through hole on the hollow bolt, realize that both are realizing between the hermetic cavity that respectively lead is electrically connected.
The utility model LED illuminating street lamp structure, the radiating and cooling performance is good, and sealing is strong; Can efficiently radiates heat under hot weather; Under microthermal climate,, certain insulation effect is arranged again because of integrated LED and driving power all are in respectively in the sealed chamber; So normal the use is applied widely in 40 ℃～40 ℃ scopes of Ke Yi Zai –.And because of its sealing is strong, good waterproof performance, its waterproof and dustproof reaches the IP67 level, can satisfy round-the-clock open-air being suitable for fully.
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described further.
Description of drawings
Fig. 1 is the fractionation sketch map of the utility model LED illuminating street lamp;
Fig. 2 is the structural representation of the metallic lamp holder body of the utility model;
Fig. 3 is the structural representation of the heat exchange block of the utility model.
In the accompanying drawing, 1 is driving power, and 2 is metal waterproof power pack, and 2a is a radiating fin, and 3 is the waterproof lid, and 4 is the metallic lamp holder body, and 4a is a modelling pattern; 4b is the lamp holder frame, and 4c is an erection support, and 5 is heat exchange block, and 5a is an open slot, and 6 is hollow bolt, and 7 is integrated LED; 8 is light source chamber, and 8a is an annular groove, and 9 is fin, and 10 is lens, and 10a is a flange, and 11 is rubber washer; 12 is the lens fixed mount, and 13 is sealing ring, and 14 is U type support, and 15 is three core water-proof wires, and 16 is the waterproof plug screw, and 17 is bolt.
The specific embodiment
Referring to figs. 1 through Fig. 3, a kind of embodiment of LED illuminating street lamp comprises integrated LED 7, driving power 1; Integrated LED 7 is installed in the metallic lamp holder body 4; Said metallic lamp holder body 4 structure that is formed in one forms lamp holder frame 4b, is light source chamber 8 and some fin 9 of cavity on it, said light source chamber 8 is positioned at lamp holder frame 4b center; Some fin 9 are radial and link to each other with lamp holder frame 4b with light source chamber 8; The diameter length of the length >=light source chamber 8 of fin 9 from light source chamber 8 to lamp holder frame 4b has clearance space between the adjacent fin, and the length of the fin 9 of present embodiment from light source chamber 8 outer walls to lamp holder frame 4b is approximately greater than the diameter length of light source chamber 8; 9 of some fin are taken up space much larger than light source chamber 8; The surface area of its ingress of air is farther much larger than light source chamber 8, can quicken to conduct the heat that from light source chamber 8 and distribute, and improves radiating efficiency; The length of fin is long more, and its radiating efficiency is high more.One heat exchange block 5 is set in the said light source chamber 8, and heat exchange block 5 is fitted with light source chamber 8 diapires, and is close to screw or fixing formation of rivet, enables heat is conducted to the light source locular wall, conducts to fin 9 from the light source locular wall again; Integrated LED 7 is fixed on and is arranged in light source chamber 8 on the heat exchange block 5, absorbs the heat that produces when integrated LED7 works through heat exchange block 5, heat is conducted to the light source locular wall again.Said heat exchange block 5 is the red copper piece; The area of this red copper piece is greater than the area of integrated LED, and is preferable because of heat absorption, the heat transfer property of red copper piece, and the heat that produces when helping integrated LED 7 work conducts fast realizes cooling; Certain other heat-conductive characteristic of employing material preferably also can; But conducting effect maybe be weaker, perhaps too expensive, increases cost of manufacture.Said heat exchange block 5 is provided with the open slot 5a or the through hole of stepping down for lead, and the power line of integrated LED 7 can be passed through from open slot 5a or through hole.The mouth end mounted lens assembly of said light source chamber 8 also forms sealing; The said lens subassembly of present embodiment comprises lens 10, sealing ring 13 and lens fixed mount 12; Between said lens 10 and the light source chamber 8 sealing ring is set; Lens fixed mount 12 is pushed down lens 10, is fastenedly connected metallic lamp holder body 4 and lens fixed mount 12 through bolt, lens 10 is press-fited be fixed on 8 mouthfuls of ends of light source chamber and form sealing.For ease of assembling and dismounting; Simultaneously can guarantee sealing effectiveness again; Said lens 10 circumference are provided with the flange 10a that radially extends, and 8 mouthfuls of ends of light source chamber are provided with annular groove 8a, and sealing ring 13 is located among the annular groove 8a of 8 mouthfuls of ends of light source chamber; The flange 10a of lens 10 circumference pushes down sealing ring 13 in the annular groove 8a of light source chamber mouth end, form the sealing to light source chamber 8.For causing damage in the surface that prevents 12 pairs of lens 10 of lens fixed mount, a rubber washer 11 is set between lens fixed mount 12 and lens 10.Said driving power 1 is installed in the metal waterproof power pack 2; Driving power 1 is fixed in the metal waterproof power pack 2 through screw; The mouth end of metal waterproof power pack 2 is provided with seal cover 3; Seal cover 3 is provided with entrance hole and inlet wire waterproof plug screw 16 threaded engagement, and inlet wire adopts three core water-proof wires 15, and waterproof plug screw 16 is enclosed within three core water-proof wires 15 and forms sealing; Be the radiating effect of reinforcement metal waterproof power pack 2 self, said metal waterproof power pack 2 outer walls are provided with some radiating fin 2a, and these radiating fins and metal waterproof power pack 2 are one-body molded.Light source chamber 8 back sides and metallic lamp holder body 4 that said metal waterproof power pack 2 usefulness securing members are fastened on metallic lamp holder body 4 are adjacent to, and the cable of the integrated LED 7 in the light source chamber 8 is connected with driving power 1 in the metal waterproof power pack 2 through cable-through hole.The said metal waterproof power pack 2 of present embodiment is connected fixing with light source chamber 8 bottoms of metallic lamp holder body 4 through hollow bolt 6; Axis through-hole on the hollow bolt 6 is a cable-through hole; This cable-through hole can pass with the driving power 1 that is arranged in metal waterproof power pack 2 power line of the integrated LED 7 that is arranged in light source chamber 8 from cable-through hole to be connected, and can not influence sealing because of cable-through hole is set simultaneously.If adopt tubular rivet that metal waterproof power pack 2 is fastened on the back side of the light source chamber 8 of metallic lamp holder body 4, be adjacent to fixingly though also can form, be unfavorable for installing, dismantling.A U type support 14 is connected on the metallic lamp holder body 4 through bolt 17; Be with Anti-rotating grommet on the bolt 17 and be used for fixing the angle of support, this Anti-rotating grommet is provided with ratchet, and U type support 14 is fastened on the back metallic lamp holder body 4 by bolt 17; Keep the angle of support, can not rotate.The erection support 4c that said metallic lamp holder body 4 both sides form two symmetries supplies the installation of U type support 14 to connect.Each is fastenedly connected two arms of U type support 14 on the erection support 4c of metallic lamp holder body 4 both sides with a bolt 17; Can adjust the angle of U type support 14 during assembling according to the irradiating angle of LED street lamp; After in case bolt 17 is fastening; U type support 14 just can not relatively rotate with metallic lamp holder body 4, then as required, the LED illuminating street lamp is fixed on the supporter of LED illuminating street lamp through U type support 14.Make the utility model LED illuminating street lamp can realize 4 downward the installing and fixing of metallic lamp holder body, that can realize also that metallic lamp holder body 4 makes progress installs and fixes.
The utility model not only is confined to the foregoing description; Can also moulding on the said metallic lamp holder body 4 be used to the modelling pattern 4a that decorates and gain in strength; This modelling pattern 4a is positioned at the front of metallic lamp holder body 4 lens mounting 10; Fin 9 can local be linked to each other with modelling pattern 4a with lamp holder frame 4b, both increased aesthetic feeling, can increase the intensity of metallic lamp holder body 4 again.
Because the utility model LED illuminating street lamp has said structure, its radiating efficiency is greatly improved, and it can solve the heat dissipation problem of high power LED illumination road lamp; Simultaneously since driving power and led light source be separately positioned in the different operating space that is independently sealed respectively; Have high water resistance, waterproof and dustproof reaches the IP67 level, does not need to be provided with in addition the casing that hides rain again; Adapt to open-air the use fully, even can place water to use as Landscape Lamp.And can adopt wide voltage (constant voltage, the constant-current supply of the input of AC85 ~ 265V) as required; And driving power is designed to adapt to the equivalent resistance in LED when work from motion tracking changes; Automatically adjustment output voltage, the protection driving power that have overvoltage, short circuit, opens circuit.Make the adaptability of the utility model LED illuminating street lamp more extensive, can use in the unstable area of line voltage, prolong service life more, and result of use is better.
Claims (10)
1. a LED illuminating street lamp comprises integrated LED, driving power, it is characterized in that: said integrated LED is installed in the metallic lamp holder body; The said metallic lamp holder body structure that is formed in one; Form the lamp holder frame on it, be light source chamber and some fin of cavity, said light source chamber is positioned at lamp holder frame center, and some fin are radial and link to each other with the lamp holder frame with light source chamber; The diameter length of fin from light source chamber to lamp holder frame length >=light source chamber has clearance space between the adjacent fin; One heat exchange block is set in the said light source chamber, and heat exchange block and light source chamber diapire are fitted, and integrated LED is fixed on and is arranged in light source chamber on the heat exchange block, and light source chamber mouth end mounted lens assembly also forms sealing; Said driving power is installed in the metal waterproof power pack, and the mouth end of metal waterproof power pack is provided with seal cover, and seal cover is provided with entrance hole and inlet wire waterproof plug screw threaded engagement; The light source chamber back side and the metallic lamp holder that said metal waterproof power pack is fastened on body with securing member shown consideration for tight, and the cable of the integrated LED in the light source chamber is connected with driving power in the metal waterproof power pack through cable-through hole.
2. LED illuminating street lamp according to claim 1 is characterized in that: said heat exchange block is the red copper piece, and the area of this red copper piece is greater than the area of integrated LED.
3. LED illuminating street lamp according to claim 1 and 2 is characterized in that: said heat exchange block is provided with the open slot or the through hole of stepping down for lead.
4. LED illuminating street lamp according to claim 1 is characterized in that: said metal waterproof power pack outer wall is provided with some radiating fins.
5. LED illuminating street lamp according to claim 1 is characterized in that: said metal waterproof power pack is connected through hollow bolt with the light source chamber of metallic lamp holder body to be fixed, and the axis through-hole on the hollow bolt is a cable-through hole.
6. LED illuminating street lamp according to claim 1; It is characterized in that: said lens subassembly comprises lens, sealing ring and lens fixed mount; Between lens and the light source chamber sealing ring is set; The lens fixed mount is pushed down lens, is fastenedly connected metallic lamp holder body and lens fixed mount through bolt, lens is press-fited be fixed on light source chamber mouth end and form sealing.
7. LED illuminating street lamp according to claim 6; It is characterized in that: said lens circumference is provided with the flange that radially extends; Light source chamber mouth end is provided with annular groove; Sealing ring is located in the annular groove of light source chamber mouth end, and the flange of lens circumference is pushed down sealing ring in the annular groove of light source chamber mouth end, forms the sealing to light source chamber.
8. LED illuminating street lamp according to claim 6 is characterized in that: be provided with rubber washer between said lens fixed mount and the lens.
9. LED illuminating street lamp according to claim 1 is characterized in that: a U type support is connected on the metallic lamp holder body through bolt, is with the angle that Anti-rotating grommet is used for fixing support on the bolt.
10. LED illuminating street lamp according to claim 1 is characterized in that: the erection support that said metallic lamp holder body both sides form two symmetries supplies the installation of U type support to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205609126U CN202303072U (en) | 2011-12-29 | 2011-12-29 | LED (light emitting diode) illumination streetlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205609126U CN202303072U (en) | 2011-12-29 | 2011-12-29 | LED (light emitting diode) illumination streetlamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202303072U true CN202303072U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205609126U Expired - Fee Related CN202303072U (en) | 2011-12-29 | 2011-12-29 | LED (light emitting diode) illumination streetlamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202303072U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730868A (en) * | 2018-07-25 | 2018-11-02 | 厦门恒宇星光电科技有限公司 | A kind of LED street lamp lamp cap |
| CN109386761A (en) * | 2017-08-09 | 2019-02-26 | 深圳市海洋王照明工程有限公司 | LED platform lamp |
| CN111637377A (en) * | 2020-06-03 | 2020-09-08 | 江门秦王智能科技有限公司 | Highway fog lamp |
-
2011
- 2011-12-29 CN CN2011205609126U patent/CN202303072U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386761A (en) * | 2017-08-09 | 2019-02-26 | 深圳市海洋王照明工程有限公司 | LED platform lamp |
| CN109386761B (en) * | 2017-08-09 | 2021-04-16 | 深圳市海洋王照明工程有限公司 | LED platform lamp |
| CN108730868A (en) * | 2018-07-25 | 2018-11-02 | 厦门恒宇星光电科技有限公司 | A kind of LED street lamp lamp cap |
| CN108730868B (en) * | 2018-07-25 | 2023-12-22 | 厦门恒宇星光电科技有限公司 | LED street lamp cap |
| CN111637377A (en) * | 2020-06-03 | 2020-09-08 | 江门秦王智能科技有限公司 | Highway fog lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20151229 |
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| EXPY | Termination of patent right or utility model |