CN203927528U - A kind of straight tube LED lamp of replaceable lamp bar - Google Patents
A kind of straight tube LED lamp of replaceable lamp bar Download PDFInfo
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- CN203927528U CN203927528U CN201420356685.9U CN201420356685U CN203927528U CN 203927528 U CN203927528 U CN 203927528U CN 201420356685 U CN201420356685 U CN 201420356685U CN 203927528 U CN203927528 U CN 203927528U
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- led lamp
- plastic
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- bar
- straight tube
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Abstract
The utility model discloses a kind of straight tube LED lamp of replaceable lamp bar, mainly comprise electrode, driver module, Plastic lamp socket, glass tube, LED lamp bar, also comprise heat-conducting plastic support and metal bar.Wherein heat-conducting plastic support has open C type groove and a groove of an accommodating LED lamp bar, metal bar runs through groove and its two assigns into respectively in the excellent groove in Plastic lamp socket, Plastic lamp socket also comprises that an outer annulus and two fan angle is the interior annulus of 90 degree, and they form and support glass tube together.Under certain build-up tolerance coordinates, between plastic stent and glass tube inwall and plastic stent and LED lamp bar, be and closely cooperate, thereby the thermal resistance having reduced from LED to external environment condition heat dissipation channel is improved the condition of work of LED.The utility model entirety is the assembling of pegging graft, without any adhesive, thereby realized global facility disassembled, change, convenient manufacture, test with keep in repair.
Description
Technical field
The utility model relates to a kind of lighting, relates to specifically a kind of straight tube LED lamp of replaceable lamp bar.
Background technology
As light source of new generation, LED have light efficiency high, without features such as mercury environmental protection, easy to control, stable, life-span are long, in illumination application, have wide prospect in future.LED has been used to be made into the light fixtures such as shot-light, bulb lamp, Down lamp, is applied to again afterwards in fluorescent lamp.Half early stage aluminium half packaged by plastic type LED fluorescent lamp cost is high and not too meet traditional visual custom, the glass straight pipe type LED lamp occurring has recently changed the view to LED fluorescent lamp that people form based on half aluminium half plastotype structure, straight pipe type LED lamp can directly be replaced the fluorescent tube in traditional fluorescent lamp light fixture, and its profile is also easier to be accepted by user.But a lot of straight tube LED lamps are directly bonded in the lamp bar at LED lamp pearl place on glass tube inwall during fabrication, once in degradation or use procedure, circuit malfunction causes dead lamp and while needing repairing, after can only glass tube destroying, takes out lamp bar; Thereby the mode that this stickup is installed has caused the inconvenience of maintenance, and causes maintenance also to need professional tool.
For this reason, the utility model proposes a kind of straight tube LED lamp of replaceable lamp bar, adopt one-time formed heat-conducting plastic support that glass straight tube is connected with lamp bar, this heat-conducting plastic support is securely fixed on the lamp holder of both sides by a bonding jumper or metal bar again.Because heat-conducting plastic support has certain deformability, therefore, in the utility model structure, do not need by adhesive, various parts to be fixed, thus realized keep in good heat radiating can be easily to straight tube LED lamp disassemble, inspection and repair.
Utility model content
The utility model object is to provide a kind of straight tube LED lamp of replaceable lamp bar, and the efficiently radiates heat and the structure that realize straight tube LED lamp are easily-disassembled.
The technical solution of the utility model is:
A kind of straight tube LED lamp of replaceable lamp bar, for symmetrical structure, mainly comprise electrode, driver module, Plastic lamp socket, glass tube, LED lamp bar, it is characterized in that, also comprise heat-conducting plastic support and metal bar, the LED string that described driver module obtains electric backward LED lamp bar from electrode provides direct current, the matrix of described Plastic lamp socket is plastic cylinder and the excellent groove that comprises an accommodating metal bar, described heat-conducting plastic support and glass tube contact-making surface are curved surfaces, and described heat-conducting plastic support also has an open C type groove and a groove, described LED lamp bar is embedded in open C type groove, described metal bar runs through groove and its Length Ratio plastic stent is slightly long, two of described metal bar assigns into respectively in the excellent groove in the Plastic lamp socket of both sides, described Plastic lamp socket also comprises that an outer annulus and two fan angle is the interior annulus of 90 degree, described glass tube is inserted between outer annulus and interior annulus and contact-making surface formation closely cooperates.
The straight tube LED lamp of described a kind of replaceable lamp bar, is characterized in that the curved surfaces of described plastic stent and open C type rooved face are evenly distributed with salient point, and described salient point is that spherical crown shape and diameter are 0.05 to 0.2 millimeter, and its spacing is 0.2 to 0.5 millimeter.
The straight tube LED lamp of described a kind of replaceable lamp bar, is characterized in that described plastic stent is spherical, and it is highly 1/4 to 1/3 of glass tube radius, and its curved surfaces and glass tube inwall are for closely cooperating.
The straight tube LED lamp of described a kind of replaceable lamp bar, is characterized in that described metal bar is rectangle cross section iron staff.
The straight tube LED lamp of described a kind of replaceable lamp bar, is characterized in that described metal bar is circular cross-section iron staff.
The straight tube LED lamp of described a kind of replaceable lamp bar, is characterized in that described metal bar is stainless steel solid rod.
The straight tube LED lamp of described a kind of replaceable lamp bar, is characterized in that on described glass tube inwall, there is a reflective transparent coatings.
The straight tube LED lamp of described a kind of replaceable lamp bar, is characterized in that the outer annulus on described Plastic lamp socket is metal ring.
Operation principle of the present utility model is:
LED replaces conventional fluorescent as light source, and because LED is graininess, and its rising angle is less, and therefore, the granular sensation when preventing eye-observation and reduce dazzle, is similar to traditional fluorescent lamp, the even reflective printing opacity coating of brushing one deck on glass tube inwall.In the time that LED is luminous, its graininess distribution of light sources phenomenon is because the reflection and the transmission effect that have this coating are eliminated, and by optimizing coating, can obtain good light transmittance, thereby improve the light efficiency of whole straight tube LED lamp.
The straight tube LED lamp of a kind of replaceable lamp bar of the utility model is symmetrical structure, and electrode is arranged in two perforates of Plastic lamp socket, but in the time being connected with outside, only gives the electrode power supply of driver module place one side.Driver module obtains electric backward LED lamp pearl string from electrode direct current is provided.LED lamp strip adoption aluminium base lamp bar, LED string is distributed in the mid portion of aluminium base, thus the heat that can LED be sent by aluminium base conducts.
Heat-conducting plastic is in plastics, to fill some metal oxide powder, carbon, fiber or ceramic powders to form.For example polyphenylene sulfide is mixed to the heat-conducting plastic that just can make a kind of shape of insulating mutually with bulky grain magnesia, its typical pyroconductivity scope is 1-20W/mK, and this numerical value is approximately 5-100 times of conventional plastic.Again can one-shot forming due to heat-conducting plastic, therefore, employing heat-conducting plastic is material, is made into heat-conducting plastic support, by this support, LED lamp bar is fixed and well aluminium base calorie spread is gone out.
For LED lamp bar being made to structure easily-disassembled and that change, adopt plough groove type to support and draw and insert-type installation.On described heat-conducting plastic support, have an open C type groove, described LED lamp bar is embedded in open C type groove, thereby has formed the support to LED lamp bar.Because heat-conducting plastic self has certain deformability, therefore, when one-shot forming, design and make mould, make the open C type rooved face of plastic stent be evenly distributed with salient point, described salient point is that spherical crown shape and diameter are 0.05 to 0.2 millimeter, and its spacing is 0.2 to 0.5 millimeter.Thereby in the time that LED lamp bar is inserted in open C type groove, lamp bar aluminium base pushes these salient points, thereby forms close contact between aluminium base and heat-conducting plastic support, make LED go here and there the heat sending and easily distribute.As a same reason, the curved surfaces that heat-conducting plastic support is contacted with glass tube also does roughening processing with salient point, and the radius that this curved surfaces is corresponding with glass tube inwall is consistent.
Because heat-conducting plastic stent length is longer, the undercapacity of himself, to support the LED lamp bar being embedded in wherein, only will form bending subsidence by its independent support.For this reason, on heat-conducting plastic support, be provided with a groove, and groove run through with a metal bar.Metal bar can adopt iron that intensity is higher or stainless steel and other materials to make, and cross section can be rectangle or circle.Because metal bar intensity is enough high, and heat-conducting plastic support and LED lamp bar are all low weight, and therefore, the metal bar of small bore is just enough to bear supporting role and the distortion of sinking hardly.Adopt suitable assembling matching design, can make fixing rear metal bar form the pressure toward curved surfaces direction to heat-conducting plastic support, thereby make the salient point deformation of heat-conducting plastic support curved surfaces, heat-conducting plastic support and glass tube inwall form close contact, reduce the thermal resistance of heat dissipation channel, improved radiating effect.
For fixing glass pipe and metal bar, on Plastic lamp socket, design corresponding structure.The matrix of described Plastic lamp socket is plastic cylinder and the excellent groove that comprises an accommodating metal bar.Described metal bar is than slightly long by the groove length that it ran through, and two of described metal bar assigns into respectively in the excellent groove in Plastic lamp socket, thereby to metal bar and by metal bar, heat-conducting plastic support and LED lamp bar is formed to support.Described Plastic lamp socket also comprises that an outer annulus and two fan angle is the interior annulus of 90 degree, and described glass tube is inserted in outer annulus between annulus and contact-making surface forms and closely cooperates, thereby glass tube is formed and supported.
In order to improve heat radiation of the present utility model, groove surface on heat-conducting plastic support also can be made into the structure with salient point, change described Plastic lamp socket into plastic-aluminum structure simultaneously, it is its matrix adopting plastic material, but the excellent groove contacting with metal bar adopts aluminium, and excellent groove and outer annulus are made of one to structure, thereby better the heating of LED are distributed.
The utility model has the advantages that:
1, the straight tube LED lamp of the replaceable lamp bar of the utility model supports LED lamp bar by heat-conducting plastic support, thereby LED lamp bar is easily changed;
2, the straight tube LED lamp of the replaceable lamp bar of the utility model is pressed on heat-conducting plastic on glass tube inwall by metal bar, with respect to by the fixing method of adhesive, make lamp overall structure all be easy to disassemble, improved entirety of the present utility model disassembled and maintainable.
3, the straight tube LED lamp of the replaceable lamp bar of the utility model adopts heat-conducting plastic to make the support that supports LED lamp bar, has improved the radiating condition of LED string, contributes to extend the service life of lamp.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model mid portion schematic cross-section;
Fig. 3 is the utility model cap part schematic cross-section;
Detailed description of the invention
Shown in Fig. 1, Fig. 2 and Fig. 3, the straight tube LED lamp of a kind of replaceable lamp bar of the utility model is symmetrical structure, mainly comprise electrode 9, driver module, Plastic lamp socket, glass tube 1, LED lamp bar 3, it is characterized in that, also comprise heat-conducting plastic support 2 and metal bar 4.The LED string that driver module obtains electric backward LED lamp bar 3 from electrode 9 provides direct current.The matrix of Plastic lamp socket is plastic cylinder 6 and the excellent groove 42 that comprises an accommodating metal bar 4, heat-conducting plastic support 2 is curved surfaces with glass tube 1 contact-making surface, and on heat-conducting plastic support 2, also have an open C type groove 31 and a groove 41, LED lamp bar 3 is embedded in open C type groove 31, metal bar 4 runs through groove 41 and its Length Ratio plastic stent is slightly long, two of metal bar 4 assigns into respectively in the excellent groove 42 in the Plastic lamp socket of both sides, Plastic lamp socket also comprises that an outer annulus 7 and two fan angle is the interior annulus 8 of 90 degree, the contact-making surface formation that glass tube 1 is inserted between outer annulus 7 and interior annulus 8 and between them closely cooperates.
Driver module is only from a side lamp head power taking, and provides drive current for the LED string on LED lamp bar.In the time that LED is luminous, the reflective printing opacity coating of one deck of evenly brushing on glass tube inwall, can make glass tube appear as uniformly light-emitting and there is no granular sensation.
The curved surfaces of plastic stent and open C type rooved face are evenly distributed with salient point, salient point is that spherical crown shape and diameter are 0.05 to 0.2 millimeter, its spacing is 0.2 to 0.5 millimeter, make in the time that certain build-up tolerance coordinates, between plastic stent and glass tube inwall and plastic stent and LED lamp bar, be and closely cooperate, thereby reduce the thermal resistance on the heat dissipation channel from LED to external environment condition, improved the condition of work of LED.
Metal bar is rectangle or circular cross-section, and material adopts the large metal such as iron or stainless steel of intensity.The utility model entirety is the assembling of pegging graft, and without any adhesive, thereby has realized overall disassembledly, convenient manufacture, test with keep in repair.
The foregoing is only preferred embodiment of the present utility model; the detailed description of the straight tube LED lamp to this replaceable lamp bar is illustrative instead of determinate; therefore in the variation and the amendment that do not depart under the utility model general plotting, should belong to protection domain of the present utility model.
Claims (8)
1. the straight tube LED lamp of a replaceable lamp bar, for symmetrical structure, mainly comprise electrode, driver module, Plastic lamp socket, glass tube, LED lamp bar, it is characterized in that, also comprise heat-conducting plastic support and metal bar, the LED string that described driver module obtains electric backward LED lamp bar from electrode provides direct current, the matrix of described Plastic lamp socket is plastic cylinder and the excellent groove that comprises an accommodating metal bar, described heat-conducting plastic support and glass tube contact-making surface are curved surfaces, and described heat-conducting plastic support also has an open C type groove and a groove, described LED lamp bar is embedded in open C type groove, described metal bar runs through groove and its Length Ratio plastic stent is slightly long, two of described metal bar assigns into respectively in the excellent groove in the Plastic lamp socket of both sides, described Plastic lamp socket also comprises that an outer annulus and two fan angle is the interior annulus of 90 degree, described glass tube is inserted between outer annulus and interior annulus and contact-making surface formation closely cooperates.
2. the straight tube LED lamp of a kind of replaceable lamp bar according to claim 1, the curved surfaces and the open C type rooved face that it is characterized in that described plastic stent are evenly distributed with salient point, described salient point is that spherical crown shape and diameter are 0.05 to 0.2 millimeter, and its spacing is 0.2 to 0.5 millimeter.
3. the straight tube LED lamp of a kind of replaceable lamp bar according to claim 1, is characterized in that described plastic stent is spherical, and it is highly 1/4 to 1/3 of glass tube radius, and its curved surfaces and glass tube inwall are for closely cooperating.
4. the straight tube LED lamp of a kind of replaceable lamp bar according to claim 1, is characterized in that described metal bar is rectangle cross section iron staff.
5. the straight tube LED lamp of a kind of replaceable lamp bar according to claim 1, is characterized in that described metal bar is circular cross-section iron staff.
6. the straight tube LED lamp of a kind of replaceable lamp bar according to claim 1, is characterized in that described metal bar is stainless steel solid rod.
7. the straight tube LED lamp of a kind of replaceable lamp bar according to claim 1, is characterized in that on described glass tube inwall, there is a reflective transparent coatings.
8. the straight tube LED lamp of a kind of replaceable lamp bar according to claim 1, is characterized in that the outer annulus on described Plastic lamp socket is metal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356685.9U CN203927528U (en) | 2014-06-25 | 2014-06-25 | A kind of straight tube LED lamp of replaceable lamp bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356685.9U CN203927528U (en) | 2014-06-25 | 2014-06-25 | A kind of straight tube LED lamp of replaceable lamp bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203927528U true CN203927528U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420356685.9U Expired - Fee Related CN203927528U (en) | 2014-06-25 | 2014-06-25 | A kind of straight tube LED lamp of replaceable lamp bar |
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| CN (1) | CN203927528U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075161A (en) * | 2014-06-25 | 2014-10-01 | 浙江金陵光源电器有限公司 | Straight-tube LED lamp with replaceable lamp bar |
-
2014
- 2014-06-25 CN CN201420356685.9U patent/CN203927528U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075161A (en) * | 2014-06-25 | 2014-10-01 | 浙江金陵光源电器有限公司 | Straight-tube LED lamp with replaceable lamp bar |
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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 |
Granted publication date: 20141105 Termination date: 20150625 |
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| EXPY | Termination of patent right or utility model |