CN205266118U - From LED power shell of taking heat radiation structure - Google Patents
From LED power shell of taking heat radiation structure Download PDFInfo
- Publication number
- CN205266118U CN205266118U CN201521117774.9U CN201521117774U CN205266118U CN 205266118 U CN205266118 U CN 205266118U CN 201521117774 U CN201521117774 U CN 201521117774U CN 205266118 U CN205266118 U CN 205266118U
- Authority
- CN
- China
- Prior art keywords
- outer casing
- fin
- upper cover
- power supply
- radiator structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a from LED power shell of taking heat radiation structure, include shell base, fin and the shell upper cover who contacts with the fin. The shell upper cover lid closes on the shell base to form the cavity cavity, the fin with shell upper cover sets up perpendicularly, and the fin is located inside the cavity cavity. The utility model discloses will original metal radiation sheet and metal casing lug connection who separates with heating element for heat that heating element distributed self passes through the metal radiation sheet direct transmission to the shell, and further disperses its outside through metal casing, has improved the heat -sinking capability of power shell.
Description
Technical field
The utility model relates to lighting field, carries radiator structure in particular to oneLED outer casing of power supply.
Background technology
Along with the develop rapidly of electronic technology, high-power, high power density device is extensively groundSystem and application, and how these high-power components are carried out rationally, effectively dispel the heat to improveIts reliability is but a difficult problem.
The life-span of electronic equipment is depended on the temperature rise of the electronic devices and components in equipment, according to A HengThis law of knob: 10 DEG C of the every risings of operating temperature of main electronic component, will cause its life-span reductionFor half. The crucial institute that extends the electronic equipment life-span therefore solve the heat dissipation problem of heater element, tool has very important significance.
In lighting field, the shell of LED lighting driving power generally all adopts innerThe structure that driving power shell separates with fin, fin is fixedly mounted on heating electronics unitOn the surface of part, the heat that heat-generating electronic elements produces is delivered to driving power by finIn the air or thermal paste of enclosure, then pass to metal material by air and thermal pasteDriving power shell, by the outside distribute heat of driving power shell. But, air or looseThe thermal resistance of these media of hot glue is larger, unsatisfactory by the effect of its heat radiation.
Utility model content
The purpose of this utility model is to provide outside a kind of LED power supply that carries radiator structureShell, to solve the above problems.
A kind of LED electricity that carries radiator structure is provided in embodiment 1 of the present utility modelSource shell, comprising: outer casing base, fin, with the outer casing upper cover contacting with fin;Described outer casing upper cover covers on described outer casing base, to form hollow cavity;
Described fin is vertical with described outer casing upper cover to be arranged;
Described fin is located at described hollow cavity inside.
Preferably, in the above-mentioned LED outer casing of power supply that carries radiator structure, described outer casing baseComprise sidewall and diapire;
Described sidewall is fixedly connected with described diapire, and orthogonal;
The upper edge of described sidewall is provided with the first draw-in groove, the edge setting of described outer casing upper coverThere is the second draw-in groove matching with described the first draw-in groove.
Preferably, in the above-mentioned LED outer casing of power supply that carries radiator structure, described the first draw-in grooveAll be semi-enclosed face of cylinder with described the second draw-in groove.
Preferably, in the above-mentioned LED outer casing of power supply that carries radiator structure, described fin withDistance between described sidewall is 3.2mm.
Preferably, in the above-mentioned LED outer casing of power supply that carries radiator structure, described outer casing base,Described fin and described outer casing upper cover are aluminum alloy material.
Preferably, in the above-mentioned LED outer casing of power supply that carries radiator structure, also comprise waterproof rubberFilm;
Described sidewall comprises multiple baffle plates, and described baffle plate is all fixedly connected with described diapire;
The junction of two adjacent described baffle plates is provided with waterproof rubber sheet;
The junction of each baffle plate and described diapire is provided with waterproof rubber sheet.
Preferably, in the above-mentioned LED outer casing of power supply that carries radiator structure, on described diapire, establishBe equipped with screwed hole, be provided with in the lower edge of described baffle plate match with described screwed holeOne through hole, is provided with the second through hole on described waterproof rubber sheet, described waterproof rubber sheet connectsBetween described diapire and described baffle plate;
By screw be linked in sequence the first through hole, the second through hole and described screwed hole, make multipleDescribed baffle plate, described waterproof rubber sheet are threaded with described diapire.
Preferably, in the above-mentioned LED outer casing of power supply that carries radiator structure, two symmetrical gearsPlate, is respectively arranged with symmetrical square groove near on the position of described diapire, described squareGroove is towards hollow cavity inside.
Preferably, in the above-mentioned LED outer casing of power supply that carries radiator structure, described fin is far awayBe less than described square recessed from one end of described outer casing upper cover and the vertical range of described outer casing upper coverVertical range between groove and outer casing upper cover.
Preferably, in the above-mentioned LED outer casing of power supply that carries radiator structure, described baffle plate withThe position of described outer casing upper cover contact is also filled with fluid sealant.
General road lamp switch power supply, the heater element of its metal shell, inside is (wholeStream full-bridge, high-power effect pipe and Schottky barrier diodes) and metal fin is allThe heat that internal heating element distributes separates, therefore can not directly fall apart by metalBacking falls apart outside metal shell, but by air, the thermal paste of metal shell insideHeat secondary-conduction internal heating element being distributed Deng heat-conduction medium is outside shell. SoAnd air or the thermal resistance of these heat-conduction mediums of thermal paste is all very large, so generalThe outer casing of power supply radiating effect that opens the light unsatisfactory.
A kind of LED outer casing of power supply that carries radiator structure that the utility model provides, bagDraw together outer casing base, fin, with the outer casing upper cover contacting with fin. Wherein, on shellCover on described outer casing base, to form hollow cavity, on fin and described shellLid is vertical to be arranged, and fin is located at described hollow cavity inside. The utility model is by originalDirectly be connected with metal shell with the metal fin of heater element separation, make heatingThe heat that element distributes self is directly transferred to metal shell by metal finUpper, and be further dispersed into its outside by metal shell, improve outer casing of power supplyHeat-sinking capability.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below will be to realityExecute the accompanying drawing of required use in example and be briefly described, should be appreciated that the following drawings only showsGo out some embodiment of the present utility model, therefore should not be counted as the restriction to scope,For those of ordinary skill in the art, do not paying under the prerequisite of creative work, alsoCan obtain other relevant accompanying drawings according to these accompanying drawings.
Figure 1 shows that the structural representation of LED outer casing of power supply in prior art;
Fig. 2 shows that the utility model embodiment 1 provides a kind of radiator structure that carriesStructural representation when LED outer casing of power supply does not cover;
Fig. 3 shows that the utility model embodiment 1 provides a kind of radiator structure that carriesStructural representation when LED outer casing of power supply covers;
Fig. 4 shows that the utility model embodiment 1 provides a kind of radiator structure that carriesThe schematic diagram in the outer casing base cross section of LED outer casing of power supply.
In accompanying drawing, digitized representation meaning is as follows:
1-metal fin
2-hold-down screw
3-heater element
4-metal shell
5-thermal paste
6-circuit board
7-fin
8-outer casing upper cover
9-outer casing base
10-the first draw-in groove
11-the second draw-in groove
12-square groove
13-screwed hole
Detailed description of the invention
It should be noted that, in the situation that not conflicting, the embodiment in the application and enforcementFeature in example can combine mutually. Come to say in detail below with reference to the accompanying drawings and in conjunction with the embodimentsBright the utility model.
In order to make those skilled in the art person understand better the utility model, below in conjunction withAccompanying drawing in the utility model embodiment, carries out the technical scheme in the utility model embodimentDescribe clearly and completely. Obviously, described embodiment is only one of the utility modelDivide embodiment, instead of whole embodiment. Conventionally describe in accompanying drawing herein and illustrateThe assembly of the utility model embodiment, can arrange and design with various configuration.Therefore, below detailed description to the embodiment of the present utility model providing in the accompanying drawings, andNon-ly be intended to limit claimed scope of the present utility model, but only represent that this practicality is newThe selected embodiment of type. Based on embodiment of the present utility model, those skilled in the art,Do not make the every other embodiment obtaining under the prerequisite of creative work, all belong to thisThe scope of utility model protection.
In correlation technique, general LED Switching Power Supply mainly comprises: metal fin1, heater element 3, for metal fin 1 is fixed on to consolidating on heater element 3Determine screw 2, metal shell 4, thermal paste 5 and circuit board 6. Concrete structure schematic diagramShown in Fig. 1, wherein, metal fin 1, heater element 3, for by heat dissipation metalSheet 1 is fixed on hold-down screw 2, thermal paste 5 and the circuit board 6 on heater element 3All be arranged on metal shell 4 inside. When the work of LED Switching Power Supply, heater element 3Give out heat, simultaneously will by the metal fin 1 being fixed on heater element 3Dissipation of heat is in thermal paste 5. Because thermal paste 5 is to be filled in whole metal shell 4Inside, and thermal paste 5 has certain heat sinking function, can will be dispersed into thermal paste 5In heat be delivered to outside metal shell 4, thereby reached the effect of heat radiation.
In the heat radiation process of LED Switching Power Supply as above, due to metal shell 4,Inner heater element 3 (rectifying full bridge, high-power effect pipe and Schottky rectification two utmost pointsPipe) and metal fin 1 all separate, therefore the heat that internal heat dissipating element 3 distributesAmount can not directly be fallen apart outside metal shell 4 by metal fin 1, but passes throughThe heat-conduction medium such as air or thermal paste 5 of metal shell 4 inside is by inner heat unitThe heat secondary-conduction that part 3 distributes is outside metal shell 4. But, air or looseThe thermal resistance of hot glue 5 these heat-conduction mediums is all very large, so general opening the light outside power supplyShell radiating effect is unsatisfactory.
The utility model embodiment 1 provides outside a kind of LED power supply that carries radiator structureShell, comprises outer casing base 9, fin 7, with the outer casing upper cover 8 contacting with fin 7.Wherein, outer casing upper cover 8 covers on outer casing base 9, to form hollow cavity, fin7 settings vertical with described outer casing upper cover 8, fin 7 is located at described hollow cavity inside.Outside the metal fin 1 that the utility model separates original and heater element 3 and metalShell 4 directly connects, and the heat that heater element 3 is distributed self falls apart by metalBacking 1 directly falls apart to metal shell 4 outsides, greatly improved LED outer casing of power supplyRadiating effect.
A kind of radiator structure that carries that Figure 2 shows that the utility model embodiment 1 providesStructural representation when LED outer casing of power supply does not cover. Comprise outer casing base 9, fin 7,With the outer casing upper cover 8 contacting with fin 7; Outer casing upper cover 8 covers on outer casing base 9,To form hollow cavity;
Fin 7 with state the vertical setting of outer casing upper cover 8;
Fin 7 is located at hollow cavity inside.
Concrete, fin 7 directly contacts with outer casing upper cover 8, and its connected mode canFor bonding, utilize viscose glue that fin 7 is bonded to outer casing upper cover 8 really on allocation, so thatWhen outer casing upper cover 8 covers with outer casing base 9, fin 7 can be direct with heater element 3Contact. Fin 7 can also be screw connecting mode with the connected mode of outer casing upper cover 8,In the upper edge of fin 7, screwed hole 13 is set, outer casing upper cover 8 and fin 7 upper edgesThe position contacting arranges mating holes, uses screw sequentially through above-mentioned mating holes and screw threadHole 13. For reaching the object of waterproof, contact with fin 7 upper edges at outer casing upper cover 8Position between can also fill thermal paste 5.
As a preferred version of the present embodiment 1, by outer casing upper cover 8 and fin 7 oneBody formed, and fin 7 setting vertical with outer casing upper cover 8, thereby ensure to be vertically set onHeater element 3 on circuit board contacts with fin 7 is seamless. Heater element 3 and fin7 directly contacts, the heat that heater element 3 is distributed is directly delivered to LED by fin 7The outside of outer casing of power supply, can reach good radiating effect, but radiating effect also with heat radiationThickness, the fin 7 of sheet 7 are relevant with the size of the contact area of heater element 3. Heat radiationThe thickness of sheet 7 is thicker, and radiating effect is better, still, and the thickness effect LED of fin 7The arrangement space of inner other electronic components of outer casing of power supply, therefore in the present embodiment 1, fin7 preferred thickness is 5mm; Fin 7 is larger with the contact area of heater element 3, looseHeat is better. As shown in Figure 3, in the utility model embodiment 1, LED outer casing of power supply totalHighly be preferably 38mm, the thickness of outer casing base 9 is 2mm, the thickness of outer casing upper cover 8For 2mm, the thickness of circuit board is 2mm, circuit board to the upper surface of outer casing base 9 itBetween distance be 3mm, therefore the upper surface of circuit board to the distance between outer casing upper cover 8 is:38-2-3-2-2＝29mm。
The known heater element 3 being welded on circuit board mainly contains rectifying full bridge, high-power effectShould manage and three kinds of Schottky barrier diodes, and the thickness of above-mentioned three kinds of heater elements 3 is3.5mm, the height except pin is 20mm (above size is GB), thus energyEnough push away fin 7 away from the vertical range of outer casing upper cover 8 one end and outer casing upper cover 8 at modelEnclose between 20mm～29mm, in the present embodiment 1, be preferably 24mm.
It is emphasized that at a kind of radiator structure of carrying that uses the utility model to provideWhen LED outer casing of power supply, all heater elements 3 that are of a size of GB are set up in parallel at circuit boardThe position at edge, so that cover after outer casing upper cover 8, at the bottom of heater element 3 can be close to shellSeat 9 sidewall, and can with fin 7 close contacts.
Outside a kind of LED power supply that carries radiator structure that the utility model embodiment 1 providesShell, outer casing base 9 comprises sidewall and diapire;
Sidewall is fixedly connected with diapire, and orthogonal;
The upper edge of sidewall is provided with the first draw-in groove 10, the edge of outer casing upper cover 8 be provided withThe second draw-in groove 11 that described the first draw-in groove 10 matches.
Concrete, above-mentioned the first draw-in groove 10 and the second draw-in groove matching with the first draw-in groove 1011 are all semi-enclosed face of cylinder, but are not limited only to this structure, can also other clamping shapesFormula realizes covering between outer casing upper cover 8 and outer casing base 9.
Above-mentioned diapire can be designed to have certain thickness polygon (preferably according to actual needs2mm), sidewall comprises multiple baffle plates, and the quantity that baffle plate is set is the polygonal limit of diapire number,Each baffle plate is all fixedly connected with a limit of diapire, and orthogonal.
The upper edge of sidewall is provided with the first draw-in groove 10, the edge of outer casing upper cover 8 be provided withThe second draw-in groove 11 that the first draw-in groove 10 matches. Wherein, the first draw-in groove 10 can be arranged onOn the upper edge of each baffle plate, also can only be arranged on certain two baffle plate in multiple baffle platesOn. For realizing covering between outer casing upper cover 8 and outer casing base 9, outer casing upper cover 8 designsShape identical with the shape of the diapire in outer casing base 9, and the edge of outer casing upper cover 8 is establishedBe equipped with the quantity and of the second draw-in groove 11, the first draw-in grooves 10 that match with the first draw-in groove 10The quantity of two draw-in grooves 11 is identical.
For example: when diapire is triangle, there are three baffle plates to be fixed and to be connected with diapire,Each baffle plate is all mutually vertical with diapire. Wherein, can establish in the upper edge of each baffle platePut the first draw-in groove 10, also can select two baffle plates in three baffle plates above that along on establishPut the first draw-in groove 10. The quantity of the first draw-in groove 10 is set, outer casing upper cover 8 according to three baffle platesThe second draw-in groove 11 of matching with the first draw-in groove 10 of edge setting.
As a preferred scheme in the present embodiment 1, diapire is rectangle, four baffle platesMutually vertical with diapire. Wherein, the upper edge of two symmetrical baffle plates is provided with the first draw-in groove10. Outer casing upper cover 8 is also rectangle, and while covering with outer casing base 9, is arranged on shellSecond draw-in groove 11 at 8 two edges of upper cover matches with the first draw-in groove 10. Take this kind excellentSelect scheme, two baffle plates and the diapire that comprise the first draw-in groove 10 in process of production can oneMoulding, final formation has truncation surface section bar as shown in Figure 4. In like manner, outer casing upper cover 8Also can adopt integrated mode with fin 7, wherein, fin 7 is to shellLid 8 distance is on one side 3.2mm, so that after outer casing upper cover 8 covers with outer casing base 9,Distance between fin 7 and sidewall is 3.2mm, thereby has ensured heater element 3 respectivelyWith sidewall and fin 7 close contacts.
Two baffle plates that comprise the first draw-in groove 10 and diapire are in the time producing, after one-body moldedBecome the section bar with specific transverse shape, determine as required and there is being somebody's turn to do of certain sizeSection bar, two other two baffle plates that do not comprise the first draw-in groove 10 are solid with the form of square catchFix on the two ends in cross section. Transverse shape as shown in Figure 4, the upper left corner in cross section, a left sideInferior horn, the upper right corner and the lower right corner are provided with screwed hole 13, square catch length and wide sizeRespectively with cross section on long and wide measure-alike, and in the upper left corner, the lower-left of square catchAngle, the upper right corner and the lower right corner are provided with the first through hole, screw order through the first through hole andScrewed hole 13, so that square catch is fixed on cross section.
In like manner, after outer casing upper cover 8 is one-body molded with fin 7, also can cut out as requiredThe section bar that goes out certain size matches with the first draw-in groove 10 on above-mentioned outer casing base 9.
A kind of LED outer casing of power supply that carries radiator structure that the utility model provides, described outsideShell base 9, fin 7 and outer casing upper cover 8 are preferably aluminum alloy material.
A kind of LED outer casing of power supply that carries radiator structure that the utility model provides also comprisesWaterproof rubber sheet;
Sidewall comprises multiple baffle plates, and each baffle plate is all fixedly connected with diapire;
The junction of two adjacent baffle plates is provided with waterproof rubber sheet;
The junction of each baffle plate and described diapire is provided with waterproof rubber sheet.
Concrete, for reaching the effect of waterproof, in the above preferred version, adjacent twoThe junction of the junction between individual baffle plate and each baffle plate and diapire is provided with waterproof rubberFilm. The upper left corner, the lower left corner, the upper right corner and the lower right corner of above-mentioned waterproof rubber sheet all arrangeHave the second through hole, screw be linked in sequence the first through hole, the second through hole and screwed hole 13, makeMultiple baffle plates, waterproof rubber sheet are threaded with diapire. It is emphasized that in order to make rawProduction. art is simpler, the appearance and size of described wind waterproof rubber sheet can with above-mentioned square catch(not comprising the baffle plate of the first draw-in groove 10) is identical, only need with the position of screw fit on establishPut the second through hole.
A kind of LED outer casing of power supply that carries radiator structure that the utility model provides, above-mentionedOn the preferred version of embodiment 1, two symmetrical baffle plates, near difference on the position of diapireBe provided with symmetrical square groove 12, square groove 12 is towards hollow cavity inside. As Fig. 4Shown in, this square groove 12 is for inserting circuit board, so that circuit board is fixed on hollow cavityInside, meanwhile, under dismounting after the square catch at two ends, cross section, also facilitates circuit boardInstallation and removal.
A kind of LED outer casing of power supply that carries radiator structure that the utility model provides, at baffle plateThe position contacting with outer casing upper cover 8 is also filled with fluid sealant, to reach the waterproof that covers positionFunction. It is emphasized that the position packing envelope that outer casing upper cover 8 and outer casing base 9 coverGlue is an embodiment of the present embodiment, for reaching better waterproof effect, also canFluid sealant is filled in to whole hollow cavity inside, and it is good that sealing glue can be thermal conductive propertyThermal paste 5.
A kind of LED power supply that carries radiator structure that the utility model embodiment 1 providesShell, combines aforesaid all preferred embodiments, comprises outer casing base, fin,With the outer casing upper cover contacting with fin. Wherein, outer casing upper cover covers at described outer casing baseUpper, to form hollow cavity, fin is vertical with outer casing upper cover to be arranged, and fin is located atHollow cavity inside. By original metal fin separating with heater element and metal shellDirectly connect, the heat that heater element is distributed self is straight by metal finConnect and be transferred on metal shell, and be further dispersed into its outside by metal shell,Improve the heat-sinking capability of outer casing of power supply.
The foregoing is only preferred embodiment of the present utility model, be not limited to thisUtility model, for a person skilled in the art, the utility model can have more variousChange and change. All within spirit of the present utility model and principle, any amendment of doing,Be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a LED outer casing of power supply that carries radiator structure, is characterized in that, comprising:Outer casing base, fin, with the outer casing upper cover contacting with fin; Described outer casing upper cover lidBe combined on described outer casing base, to form hollow cavity;
Described fin is vertical with described outer casing upper cover to be arranged;
Described fin is located at described hollow cavity inside.
2. outside a kind of LED power supply that carries radiator structure according to claim 1Shell, is characterized in that, described outer casing base comprises sidewall and diapire;
Described sidewall is fixedly connected with described diapire, and orthogonal;
The upper edge of described sidewall is provided with the first draw-in groove, the edge setting of described outer casing upper coverThere is the second draw-in groove matching with described the first draw-in groove.
3. outside a kind of LED power supply that carries radiator structure according to claim 2Shell, is characterized in that, described the first draw-in groove and described the second draw-in groove are all semi-enclosed cylinderFace.
4. outside a kind of LED power supply that carries radiator structure according to claim 2Shell, is characterized in that, the distance between described fin and described sidewall is 3.2mm.
5. outside a kind of LED power supply that carries radiator structure according to claim 1Shell, is characterized in that, described outer casing base, described fin and described outer casing upper cover areAluminum alloy material.
6. outside a kind of LED power supply that carries radiator structure according to claim 2Shell, is characterized in that, also comprises waterproof rubber sheet;
Described sidewall comprises multiple baffle plates, and described baffle plate is all fixedly connected with described diapire;
The junction of two adjacent described baffle plates is provided with waterproof rubber sheet;
The junction of each baffle plate and described diapire is provided with waterproof rubber sheet.
7. outside a kind of LED power supply that carries radiator structure according to claim 6Shell, is characterized in that, on described diapire, is provided with screwed hole, in the lower edge of described baffle plateBe provided with the first through hole matching with described screwed hole, on described waterproof rubber sheet, be provided withThe second through hole, described waterproof rubber sheet is connected between described diapire and described baffle plate;
By screw be linked in sequence the first through hole, the second through hole and described screwed hole, make multipleDescribed baffle plate, described waterproof rubber sheet are threaded with described diapire.
8. outside a kind of LED power supply that carries radiator structure according to claim 7Shell, is characterized in that, two symmetrical baffle plates are established respectively near on the position of described diapireBe equipped with symmetrical square groove, described square groove is towards hollow cavity inside.
9. outside a kind of LED power supply that carries radiator structure according to claim 8Shell, is characterized in that, described fin is away from one end and the described shell of described outer casing upper coverThe vertical range of upper cover is less than the vertical range between described square groove and outer casing upper cover.
10. outside a kind of LED power supply that carries radiator structure according to claim 9Shell, is characterized in that, is also filled with the position that described outer casing upper cover contacts at described baffle plateFluid sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521117774.9U CN205266118U (en) | 2015-12-29 | 2015-12-29 | From LED power shell of taking heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521117774.9U CN205266118U (en) | 2015-12-29 | 2015-12-29 | From LED power shell of taking heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205266118U true CN205266118U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521117774.9U Expired - Fee Related CN205266118U (en) | 2015-12-29 | 2015-12-29 | From LED power shell of taking heat radiation structure |
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| Country | Link |
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| CN (1) | CN205266118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642735A (en) * | 2017-10-31 | 2018-01-30 | 江苏优为视界科技有限公司 | A kind of strip light fixture and crane span structure |
-
2015
- 2015-12-29 CN CN201521117774.9U patent/CN205266118U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642735A (en) * | 2017-10-31 | 2018-01-30 | 江苏优为视界科技有限公司 | A kind of strip light fixture and crane span structure |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20201229 |