CN105823012A - Lamp cap capable of automatically increasing heat dissipation area - Google Patents
Lamp cap capable of automatically increasing heat dissipation area Download PDFInfo
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- CN105823012A CN105823012A CN201610161709.9A CN201610161709A CN105823012A CN 105823012 A CN105823012 A CN 105823012A CN 201610161709 A CN201610161709 A CN 201610161709A CN 105823012 A CN105823012 A CN 105823012A
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- China
- Prior art keywords
- radiating tube
- lamp holder
- tube
- internal tooth
- level
- Prior art date
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 46
- 210000001513 Elbow Anatomy 0.000 claims abstract description 52
- 229910001285 shape-memory alloys Inorganic materials 0.000 claims abstract description 42
- 230000000875 corresponding Effects 0.000 claims abstract description 21
- 210000000515 Tooth Anatomy 0.000 claims description 98
- 210000000614 Ribs Anatomy 0.000 claims description 89
- 229910045601 alloy Inorganic materials 0.000 claims description 49
- 239000000956 alloy Substances 0.000 claims description 49
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- 230000000694 effects Effects 0.000 claims description 26
- 238000001514 detection method Methods 0.000 claims 3
- 230000005611 electricity Effects 0.000 claims 2
- 240000006028 Sambucus nigra Species 0.000 abstract description 93
- 239000011257 shell materials Substances 0.000 abstract 1
- 239000007789 gases Substances 0.000 description 12
- 238000005452 bending Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 8
- 238000010586 diagrams Methods 0.000 description 6
- 239000011901 water Substances 0.000 description 4
- 230000001276 controlling effects Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
-
- 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
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
Abstract
The invention discloses a lamp cap capable of automatically increasing the heat dissipation area and relates to the technical field of lamp cap heat dissipation. According to the lamp cap capable of automatically increasing the heat dissipation area, the corresponding heat dissipation area of the lamp cap can be automatically changed according to the current temperature of the lamp cap. The lamp cap comprises a lamp cap body. A heat dissipation shell of the lamp cap body comprises a lamp shade connecting pipe, a lamp cap heat dissipation pipe and a lamp holder connecting pipe which are sequentially connected from bottom to top. A first heat conduction ring is connected to the outer surface of the lamp cap heat dissipation pipe. A plurality of first-level heat dissipation pipes are vertically and movably placed side by side on the outer surface of the lamp cap heat dissipation pipe above the first heat conduction ring, and a heat conduction connecting block is fixedly connected to the lower end of the outer surface of each first-level heat dissipation pipe. The lamp cap further comprises memory alloy elbows of which the number is equal to that of the first-level heat dissipation pipes. The upper end of each memory alloy elbow is connected to the corresponding heat conduction connecting block in a one-to-one correspondence mode. The lower end of each memory alloy elbow is connected to the first heat conduction ring.
Description
Technical field
The present invention relates to the technical field of heat dissipation of lamp holder, particularly relate to be automatically increased the lamp holder of area of dissipation.
Background technology
Lamp holder is the important component of illuminating lamp, and LED illumination lamp is higher to the cooling requirements of lamp holder, and the lamp holder radiating effect of existing LED illumination lamp is poor.Therefore, design one can change lamp holder area of dissipation according to different temperatures, and the lamp holder that can be automatically increased area of dissipation of good heat dissipation effect seems the most necessary.
Summary of the invention
The present invention is the deficiency in order to solve the lamp holder radiating effect of existing illuminating lamp difference.There is provided a kind of and can automatically change the area of dissipation that lamp holder is corresponding, good heat dissipation effect, the lamp holder that can be automatically increased area of dissipation that heat radiation reliability is high according to the Current Temperatures of lamp holder.
To achieve these goals, the present invention is by the following technical solutions:
The lamp holder of area of dissipation can be automatically increased, including lamp holder body, the heat-dissipating casing of lamp holder body includes lampshade connecting tube cylindrically, lamp holder radiating tube cylindrically and in cone shape lamp socket connecting tube, the lower end heat conduction of lamp holder radiating tube is integrally attached to the upper end of lampshade connecting tube, and the upper end heat conduction of lamp holder radiating tube is integrally attached to the lower end of lamp socket connecting tube；Fasten heat conduction connection at the outer surface lower end of lamp holder radiating tube set and have a heat conduction circle；On the outer surface of the lamp holder radiating tube above a heat conduction circle, vertically activity is placed with some one-level radiating tubes side by side, and has been respectively fixedly connected with heat conduction contiguous block in the outer surface lower end of every one-level radiating tube；Also include the memorial alloy elbow that radical is equal with the radical of one-level radiating tube, and memorial alloy elbow is in " L " word shape when the temperature of described memorial alloy elbow is below design temperature, when the temperature of described memorial alloy elbow is higher than design temperature, memorial alloy elbow is in " one " word shape；The upper end of every memorial alloy elbow is fixed heat conduction the most one to one and is connected on one piece of heat conduction contiguous block, the lower end of every memorial alloy elbow is all fixed heat conduction and is connected on a heat conduction circle, and one-level radiating tube is connected on the outer surface of lamp holder radiating tube at the active force next stage radiating tube abutting contact of memorial alloy elbow when the temperature of memorial alloy elbow is below design temperature, when the temperature of memorial alloy elbow is higher than design temperature, one-level radiating tube can outwards do the upset at 0-90 degree angle at the active force next stage radiating tube of memorial alloy elbow.
The lamp holder of this programme is when the temperature of memorial alloy elbow is higher than design temperature, memorial alloy elbow will become " one " word state from the case of bending in " L " font, one-level radiating tube the most just becomes water from vertical state and tilts or level state, thus be equivalent to expand the area of dissipation of lamp holder, thus realize the operation of more preferably lowering the temperature of lamp holder.When memorial alloy elbow temperature less than design temperature time, memorial alloy elbow will from become in " one " font state " L " font case of bending, one-level radiating tube the most just from water inclination or level state become vertical state.This programme can change, according to the Current Temperatures of lamp holder, the area of dissipation that lamp holder is corresponding automatically, the area of dissipation of lamp holder it is reduced by when the temperature of lamp holder is low, the area of dissipation of lamp holder is just increased during the temperature height of lamp holder, thus intellectuality realizes the cooling operation of lamp holder, good heat dissipation effect, heat radiation reliability is high, and intelligence degree is high, uses simple.
As preferably, it is provided with an annular groove in the outer surface upper end of lamp holder radiating tube, it is provided with electric magnet in an annular groove, just it is provided with a bore on the outer tube wall located at the every one-level radiating tube corresponding with electric magnet, a permanent magnet it is fixed with respectively in each bore, and the electric magnet just energising when there being electricity in lamp holder, when not having electricity in lamp holder, electric magnet is with regard to power-off, and during electric magnet energising, produced by electric magnet, the magnetic force of magnetic force and a permanent magnet is mutually exclusive.
This structure makes lamp holder that one-level radiating tube can be allowed as far as possible to launch when electricity consumption, increases the area of dissipation of lamp holder, it is provided that the reliability of lamp holder.
As preferably, No. two annular grooves it are provided with on the outer surface of the lamp holder radiating tube below an annular groove, No. two permanent magnets it are provided with in No. two annular grooves, just it is provided with No. two bore on outer tube wall to place at the every one-level radiating tube corresponding with No. two permanent magnets, No. three permanent magnets it are fixed with respectively in each No. two bore, and the magnetic force of the magnetic force of No. two permanent magnets and No. three permanent magnets attracts each other, the captivation that electric magnet and the mutually exclusive repulsive force of permanent magnet attract each other more than No. two permanent magnets and No. three permanent magnets.
This structure makes lamp holder when not having electricity consumption, allows a radiating tube be adjacent on the outer surface of lamp holder radiating tube as far as possible, reduces taking up room of lamp holder when reducing the area of dissipation of lamp holder, illuminating lamp on impracticable lamp holder as far as possible, and practicality is higher.
As preferably, the lower end nozzle diameter of lamp socket connecting tube is more than the upper end nozzle diameter of lamp socket connecting tube, and the lower end nozzle diameter of lamp socket connecting tube is equal to the upper end nozzle diameter of lamp holder radiating tube；In the tube chamber of every one-level radiating tube, be the most all sequentially provided with the heat conduction stator of band heat conduction through hole, memory alloy spring and two-class heat dissipation pipe, and the temperature of described memory alloy spring below design temperature time memory alloy spring extended length less than the temperature of described memory alloy spring higher than memory alloy spring extended length during design temperature；Every piece of heat conduction stator is all fixed in the tube chamber that heat conduction is connected to corresponding one-level radiating tube lower end, the lower end of every memory alloy spring is all fixed heat conduction and is connected on corresponding heat conduction stator, the upper end of every memory alloy spring is all fixed heat conduction and is connected on corresponding two-class heat dissipation pipe, and two-class heat dissipation pipe two-class heat dissipation pipe under the active force of memory alloy spring is positioned at one-level radiating tube when the temperature of memory alloy spring is below design temperature, when the temperature of memory alloy spring is higher than design temperature, two-class heat dissipation pipe upper end of two-class heat dissipation pipe under the active force of memory alloy spring can be stretched out from the upper end mouth of pipe of one-level radiating tube.
When the temperature of memory alloy spring is higher than design temperature, memory alloy spring will be from elongation, the outer end of two-class heat dissipation pipe will be released from one-level radiating tube by the memory alloy spring of elongation, two-class heat dissipation pipe is so allowed to be exposed to outside one-level radiating tube, adding the area of dissipation of lamp holder, radiating effect is more.
As preferably, on the inner tubal wall of one-level radiating tube, the pipe internal perisporium along one-level radiating tube is provided with some internal tooth ribs in spiral distribution, thus forms internal tooth rib groove on the inner tubal wall of the one-level radiating tube between adjacent two internal tooth ribs.
Internal tooth rib makes air-flow helically flow in one-level radiating tube, and the air-flow of helical flow is long for time of contact with the inner tubal wall of one-level radiating tube, and the heat taken away is the most, and radiating effect is the best.
As preferably, on the outer tube wall of one-level radiating tube, the pipe periphery wall along one-level radiating tube is provided with some external tooth ribs in spiral distribution, thus forms external tooth rib groove on the outer tube wall of the one-level radiating tube between adjacent two external tooth ribs.
External tooth rib by one-level radiating tube outside air-flow around one-level radiating tube helical flow, the air-flow of helical flow is long for time of contact with the outer tube wall of one-level radiating tube, and the heat taken away is the most, and radiating effect is the best.
As preferably, internal tooth rib includes internal tooth rib A, internal tooth rib B, the internal tooth rib D of the trapezoidal shape of internal tooth rib C and cross section, on arbitrary cross section of one-level radiating tube, internal tooth rib A and internal tooth rib B place cambered surface respectively account for 80 ° of central angles, internal tooth rib C place cambered surface respectively accounts for 50 ° of central angles, internal tooth rib D place cambered surface accounts for 150 ° of central angles, the drift angle of internal tooth rib A and the drift angle of internal tooth rib B are fillet, and the arc radius of the drift angle fillet that the arc radius of the drift angle fillet of internal tooth rib A is more than internal tooth rib B, is provided with V-shaped groove at the top of internal tooth rib C.
In this programme, this structure heat exchange effect of internal tooth rib A, internal tooth rib B, internal tooth rib C and internal tooth rib D is good.Owing to the internal tooth rib on one-level radiating tube can cause the disturbance of heat exchange air-flow, the gas being in heat exchange air-flow edge will be moved to the centre of heat exchange air-flow, it is in the gas in the middle of heat exchange air-flow and will be moved to the edge of heat exchange air-flow, be in the gas in the middle of heat exchange air-flow will during heat exchange air-flow advances repeatedly inner tubal wall with one-level radiating tube contact, heat exchange frequency is big, can be sufficiently one-level radiating tube is in the gas at the heat exchange air-flow edge centre moving to heat exchange air-flow repeatedly, being in the edge moving to heat exchange air-flow repeatedly of the gas in the middle of heat exchange air-flow, and then allow the gas the being in heat exchange air-flow centre inner tubal wall with one-level radiating tube during advancing repeatedly contact, and then quickly the heat heat exchange on one-level radiating tube is gone out, heat exchange effect is more preferably.
As preferably, the external diameter of one-level radiating tube is 2.16 millimeters, and the tolerance of its external diameter is ± 0.03 millimeter；
The internal diameter of one-level radiating tube is 2.62 millimeters, and the tolerance of its internal diameter is ± 0.04 millimeter；
The diapire thickness of one-level radiating tube is 0.2 millimeter, and the tolerance that its diapire is thick is ± 0.02 millimeter；
The tooth depth of internal tooth rib is 0.14 millimeter, and the tolerance of its tooth depth is ± 0.02 millimeter；
The addendum angle of internal tooth rib is 11 °, and the maximum allowance of its addendum angle is+6 °, and the minimal tolerance of addendum angle is-3 °；
The helical angle of internal tooth rib is 22 °, and the tolerance of its helical angle is ± 2 °；
The number of teeth on the inner tubal wall circumference of one-level radiating tube is 10.
This structure not only makes one-level radiating tube lightweight, and thermal response development rate is fast, and radiating effect is preferable.
As preferably, also include the current control module of lighting brightness size, controller and the horizontal detection sensor that can control to be connected on lamp holder, control end and the horizontal detection sensor of current control module are connected with controller respectively, and horizontal detection transducer arrangements is in one-level radiating tube.
When horizontal detection sensor detects that one-level radiating tube is horizontal, horizontal detection sensor is to the signal of one one-level radiating tube level of controller, after controller receives the signal of one-level radiating tube level, controller limits the signal of electric current to immediately current control module one, current control module reduces the electric current flowing through illuminating lamp immediately according to setting value, after the current reduction of illuminating lamp, the heat that illuminating lamp produces will reduce；After the temperature of illuminating lamp reduces, the temperature of memorial alloy elbow also can reduce, after the temperature of memorial alloy elbow is reduced to design temperature, memorial alloy elbow will upwards become case of bending from " one " font state, after memorial alloy elbow becomes case of bending, one-level radiating tube the most just becomes obliquely or vertically state from level；When horizontal detection sensor detects one-level radiating tube the most not at horizontal level, horizontal detection sensor to one one-level radiating tube of controller the most not at the signal of horizontal level, controller receives one-level radiating tube the most not after the signal of horizontal level, the signal of one restoring current of current control module given immediately by controller, and current control module recovers to flow through the normal current of illuminating lamp immediately.Cooling is realized by controlling the brightness of illuminating lamp.Reliability is high, good cooling effect.Current control module in this programme is connected in series on the electric power loop of illuminating lamp.This programme substantially increases the radiating effect of lamp holder, and the reliability of heat radiation is high.
The present invention can reach following effect:
The lamp holder of the present invention can change, according to the Current Temperatures of lamp holder, the area of dissipation that lamp holder is corresponding automatically, the area of dissipation of lamp holder it is reduced by when the temperature of lamp holder is low, the area of dissipation of lamp holder is just increased during the temperature height of lamp holder, thus intellectuality realizes the cooling operation of lamp holder, good heat dissipation effect, heat radiation reliability is high, and intelligence degree is high, uses simple.
Accompanying drawing explanation
Fig. 1 be one-level radiating tube of the present invention the most not deployed time a kind of attachment structure schematic diagram.
Fig. 2 is the one-level radiating tube of the present invention a kind of attachment structure schematic diagram when having launched.
Fig. 3 is two-class heat dissipation pipe also a kind of attachment structure schematic diagram when one-level radiating tube stretches out after one-level radiating tube of the present invention launches.
Fig. 4 is a kind of cross section attachment structure schematic diagram of one-level radiating tube of the present invention.
Fig. 5 is a kind of axially section view attachment structure schematic diagram of one-level radiating tube of the present invention.
Fig. 6 is a kind of circuit theory attachment structure schematic block diagram of the present invention.
Detailed description of the invention
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment, the lamp holder of area of dissipation can be automatically increased, see shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, including lamp holder body, the heat-dissipating casing of lamp holder body includes lampshade connecting tube 1 cylindrically, lamp holder radiating tube 12 cylindrically and in cone shape lamp socket connecting tube 17, the lower end heat conduction of lamp holder radiating tube is integrally attached to the upper end of lampshade connecting tube, and the upper end heat conduction of lamp holder radiating tube is integrally attached to the lower end of lamp socket connecting tube；Fasten heat conduction connection at the outer surface lower end of lamp holder radiating tube set and have a heat conduction circle 3；On the outer surface of the lamp holder radiating tube above a heat conduction circle, vertically activity is placed with some one-level radiating tubes 11 side by side, and has been respectively fixedly connected with heat conduction contiguous block 6 in the outer surface lower end of every one-level radiating tube；Also include the memorial alloy elbow 2 that radical is equal with the radical of one-level radiating tube, and memorial alloy elbow is in " L " word shape when the temperature of described memorial alloy elbow is below design temperature, when the temperature of described memorial alloy elbow is higher than design temperature, memorial alloy elbow is in " one " word shape；The upper end of every memorial alloy elbow is fixed heat conduction the most one to one and is connected on one piece of heat conduction contiguous block, the lower end of every memorial alloy elbow is all fixed heat conduction and is connected on a heat conduction circle, and one-level radiating tube is connected on the outer surface of lamp holder radiating tube at the active force next stage radiating tube abutting contact of memorial alloy elbow when the temperature of memorial alloy elbow is below design temperature, when the temperature of memorial alloy elbow is higher than design temperature, one-level radiating tube can outwards do the upset at 0-90 degree angle at the active force next stage radiating tube of memorial alloy elbow.
It is provided with an annular groove in the outer surface upper end of lamp holder radiating tube, electric magnet 16 it is provided with in an annular groove, just it is provided with a bore on the outer tube wall located at the every one-level radiating tube corresponding with electric magnet, a permanent magnet 15 it is fixed with respectively in each bore, and the electric magnet just energising when there being electricity in lamp holder, when not having electricity in lamp holder, electric magnet is with regard to power-off, and during electric magnet energising, produced by electric magnet, the magnetic force of magnetic force and a permanent magnet is mutually exclusive.
No. two annular grooves it are provided with on the outer surface of the lamp holder radiating tube below an annular groove, No. two permanent magnets 14 it are provided with in No. two annular grooves, just it is provided with No. two bore on outer tube wall to place at the every one-level radiating tube corresponding with No. two permanent magnets, No. three permanent magnets 13 it are fixed with respectively in each No. two bore, and the magnetic force of the magnetic force of No. two permanent magnets and No. three permanent magnets attracts each other, the captivation that electric magnet and the mutually exclusive repulsive force of permanent magnet attract each other more than No. two permanent magnets and No. three permanent magnets.
The lower end of every one-level radiating tube all rotates heat conduction and is connected on the outer surface of lamp holder radiating tube lower end.One end that this example is fixed on the heat-conducting block 4 that cross section is L-shaped is fixed on the outer surface of lamp holder radiating tube lower end, and the lower end of one-level radiating tube is connected by rotating shaft 5 with heat-conducting block.
The lower end nozzle diameter of lamp socket connecting tube is more than the upper end nozzle diameter of lamp socket connecting tube, and the lower end nozzle diameter of lamp socket connecting tube is equal to the upper end nozzle diameter of lamp holder radiating tube；In the tube chamber of every one-level radiating tube, be the most all sequentially provided with the heat conduction stator 7 of band heat conduction through hole 8, memory alloy spring 9 and two-class heat dissipation pipe 10, and the temperature of described memory alloy spring below design temperature time memory alloy spring extended length less than the temperature of described memory alloy spring higher than memory alloy spring extended length during design temperature；Every piece of heat conduction stator is all fixed in the tube chamber that heat conduction is connected to corresponding one-level radiating tube lower end, the lower end of every memory alloy spring is all fixed heat conduction and is connected on corresponding heat conduction stator, the upper end of every memory alloy spring is all fixed heat conduction and is connected on corresponding two-class heat dissipation pipe, and two-class heat dissipation pipe two-class heat dissipation pipe under the active force of memory alloy spring is positioned at one-level radiating tube when the temperature of memory alloy spring is below design temperature, when the temperature of memory alloy spring is higher than design temperature, two-class heat dissipation pipe upper end of two-class heat dissipation pipe under the active force of memory alloy spring can be stretched out from the upper end mouth of pipe of one-level radiating tube.
On the inner tubal wall of one-level radiating tube, the pipe internal perisporium along one-level radiating tube is provided with some internal tooth ribs 21 in spiral distribution, thus forms internal tooth rib groove 22 on the inner tubal wall of the one-level radiating tube between adjacent two internal tooth ribs.On the outer tube wall of one-level radiating tube, the pipe periphery wall along one-level radiating tube is provided with some external tooth ribs 20 in spiral distribution, thus forms external tooth rib groove 23 on the outer tube wall of the one-level radiating tube between adjacent two external tooth ribs.
On the inner tubal wall of two-class heat dissipation pipe, the pipe internal perisporium along two-class heat dissipation pipe also is provided with some internal tooth ribs in spiral distribution, thus also forms internal tooth rib groove on the inner tubal wall of the two-class heat dissipation pipe between adjacent two internal tooth ribs.On the outer tube wall of two-class heat dissipation pipe, the pipe periphery wall along two-class heat dissipation pipe also is provided with some external tooth ribs in spiral distribution, thus also forms external tooth rib groove on the outer tube wall of the two-class heat dissipation pipe between adjacent two external tooth ribs.
Internal tooth rib includes internal tooth rib A, internal tooth rib B, the internal tooth rib D of the trapezoidal shape of internal tooth rib C and cross section, on arbitrary cross section of one-level radiating tube, internal tooth rib A and internal tooth rib B place cambered surface respectively account for 80 ° of central angles, internal tooth rib C place cambered surface respectively accounts for 50 ° of central angles, internal tooth rib D place cambered surface accounts for 150 ° of central angles, the drift angle of internal tooth rib A and the drift angle of internal tooth rib B are fillet, and the arc radius of the drift angle fillet that the arc radius of the drift angle fillet of internal tooth rib A is more than internal tooth rib B, is provided with V-shaped groove at the top of internal tooth rib C.The structure of two-class heat dissipation pipe is identical with the structure of one-level radiating tube.
The external diameter of one-level radiating tube is 2.16 millimeters, and the tolerance of its external diameter is ± 0.03 millimeter；
The internal diameter of one-level radiating tube is 2.62 millimeters, and the tolerance of its internal diameter is ± 0.04 millimeter；
The diapire thickness of one-level radiating tube is 0.2 millimeter, and the tolerance that its diapire is thick is ± 0.02 millimeter；
The tooth depth of internal tooth rib is 0.14 millimeter, and the tolerance of its tooth depth is ± 0.02 millimeter；
The addendum angle of internal tooth rib is 11 °, and the maximum allowance of its addendum angle is+6 °, and the minimal tolerance of addendum angle is-3 °；
The helical angle of internal tooth rib is 22 °, and the tolerance of its helical angle is ± 2 °；
The number of teeth on the inner tubal wall circumference of one-level radiating tube is 10.
Also include the current control module 24 of illuminating lamp 27 brightness size, controller 25 and the horizontal detection sensor 26 that can control to be connected on lamp holder, control end and the horizontal detection sensor of current control module are connected with controller respectively, and horizontal detection transducer arrangements is in one-level radiating tube.
When horizontal detection sensor detects that one-level radiating tube is horizontal, horizontal detection sensor is to the signal of one one-level radiating tube level of controller, after controller receives the signal of one-level radiating tube level, controller limits the signal of electric current to immediately current control module one, current control module reduces the electric current flowing through illuminating lamp immediately according to setting value, after the current reduction of illuminating lamp, the heat that illuminating lamp produces will reduce；After the temperature of illuminating lamp reduces, the temperature of memorial alloy elbow also can reduce, after the temperature of memorial alloy elbow is reduced to design temperature, memorial alloy elbow will upwards become case of bending from " one " font state, after memorial alloy elbow becomes case of bending, one-level radiating tube the most just becomes obliquely or vertically state from level；When horizontal detection sensor detects one-level radiating tube the most not at horizontal level, horizontal detection sensor to one one-level radiating tube of controller the most not at the signal of horizontal level, controller receives one-level radiating tube the most not after the signal of horizontal level, the signal of one restoring current of current control module given immediately by controller, and current control module recovers to flow through the normal current of illuminating lamp immediately.Cooling is realized by controlling the brightness of illuminating lamp.Reliability is high, good cooling effect.Current control module in this programme is connected in series on power supply 28 loop of illuminating lamp 27.
The lamp holder of this example is when the temperature of memorial alloy elbow is higher than design temperature, memorial alloy elbow will become " one " word state from the case of bending in " L " font, one-level radiating tube the most just becomes water from vertical state and tilts or level state, thus be equivalent to expand the area of dissipation of lamp holder, thus realize the operation of more preferably lowering the temperature of lamp holder.When memorial alloy elbow temperature less than design temperature time, memorial alloy elbow will from become in " one " font state " L " font case of bending, one-level radiating tube the most just from water inclination or level state become vertical state.This example can change, according to the Current Temperatures of lamp holder, the area of dissipation that lamp holder is corresponding automatically, the area of dissipation of lamp holder it is reduced by when the temperature of lamp holder is low, the area of dissipation of lamp holder is just increased during the temperature height of lamp holder, thus intellectuality realizes the cooling operation of lamp holder, good heat dissipation effect, heat radiation reliability is high, and intelligence degree is high, uses simple.
This structure of electric magnet, a permanent magnet, No. two permanent magnets and No. three permanent magnets makes lamp holder that one-level radiating tube can be allowed as far as possible to launch when electricity consumption, make lamp holder when there is no electricity consumption, allow a radiating tube be adjacent on the outer surface of lamp holder radiating tube as far as possible, reduce the area of dissipation of lamp holder, reduce taking up room of lamp holder during illuminating lamp on impracticable lamp holder as far as possible, practicality is higher, increases the area of dissipation of lamp holder, it is provided that the reliability of lamp holder.
When the temperature of memory alloy spring is higher than design temperature, memory alloy spring will be from elongation, the outer end of one-level radiating tube will be released from one-level radiating tube by the memory alloy spring of elongation, one-level radiating tube is so allowed to be exposed to outside one-level radiating tube, adding the area of dissipation of lamp holder, radiating effect is more.
Internal tooth rib makes air-flow helically flow in one-level radiating tube, and the air-flow of helical flow is long for time of contact with the inner tubal wall of one-level radiating tube, and the heat taken away is the most, and radiating effect is the best.
External tooth rib by one-level radiating tube outside air-flow around one-level radiating tube helical flow, the air-flow of helical flow is long for time of contact with the outer tube wall of one-level radiating tube, and the heat taken away is the most, and radiating effect is the best.Thermal diffusion in lamp holder chamber body 18 is easily gone out by this example, and radiating effect is preferable.
In this example, this structure heat exchange effect of internal tooth rib A, internal tooth rib B, internal tooth rib C and internal tooth rib D is good.Owing to the internal tooth rib on one-level radiating tube can cause the disturbance of heat exchange air-flow, the gas being in heat exchange air-flow edge will be moved to the centre of heat exchange air-flow, it is in the gas in the middle of heat exchange air-flow and will be moved to the edge of heat exchange air-flow, be in the gas in the middle of heat exchange air-flow will during heat exchange air-flow advances repeatedly inner tubal wall with one-level radiating tube contact, heat exchange frequency is big, can be sufficiently one-level radiating tube is in the gas at the heat exchange air-flow edge centre moving to heat exchange air-flow repeatedly, being in the edge moving to heat exchange air-flow repeatedly of the gas in the middle of heat exchange air-flow, and then allow the gas the being in heat exchange air-flow centre inner tubal wall with one-level radiating tube during advancing repeatedly contact, and then quickly the heat heat exchange on one-level radiating tube is gone out, heat exchange effect is more preferably.
Describing embodiments of the present invention above in conjunction with accompanying drawing, but do not limited by above-described embodiment when realizing, those of ordinary skill in the art can make a variety of changes within the scope of the appended claims or revise.
Claims (9)
1. the lamp holder that can be automatically increased area of dissipation, including lamp holder body, it is characterized in that, the heat-dissipating casing of lamp holder body includes lampshade connecting tube cylindrically, lamp holder radiating tube cylindrically and in cone shape lamp socket connecting tube, the lower end heat conduction of lamp holder radiating tube is integrally attached to the upper end of lampshade connecting tube, and the upper end heat conduction of lamp holder radiating tube is integrally attached to the lower end of lamp socket connecting tube；Fasten heat conduction connection at the outer surface lower end of lamp holder radiating tube set and have a heat conduction circle；On the outer surface of the lamp holder radiating tube above a heat conduction circle, vertically activity is placed with some one-level radiating tubes side by side, and has been respectively fixedly connected with heat conduction contiguous block in the outer surface lower end of every one-level radiating tube；Also include the memorial alloy elbow that radical is equal with the radical of one-level radiating tube, and memorial alloy elbow is in " L " word shape when the temperature of described memorial alloy elbow is below design temperature, when the temperature of described memorial alloy elbow is higher than design temperature, memorial alloy elbow is in " one " word shape；The upper end of every memorial alloy elbow is fixed heat conduction the most one to one and is connected on one piece of heat conduction contiguous block, the lower end of every memorial alloy elbow is all fixed heat conduction and is connected on a heat conduction circle, and one-level radiating tube is connected on the outer surface of lamp holder radiating tube at the active force next stage radiating tube abutting contact of memorial alloy elbow when the temperature of memorial alloy elbow is below design temperature, when the temperature of memorial alloy elbow is higher than design temperature, one-level radiating tube can outwards do the upset at 0-90 degree angle at the active force next stage radiating tube of memorial alloy elbow.
2. the lamp holder that can be automatically increased area of dissipation according to claim 1, it is characterized in that, it is provided with an annular groove in the outer surface upper end of lamp holder radiating tube, it is provided with electric magnet in an annular groove, just it is provided with a bore on the outer tube wall located at the every one-level radiating tube corresponding with electric magnet, a permanent magnet it is fixed with respectively in each bore, and the electric magnet just energising when there being electricity in lamp holder, when not having electricity in lamp holder, electric magnet is with regard to power-off, and produced by electric magnet, the magnetic force of magnetic force and a permanent magnet is mutually exclusive during electric magnet energising.
3. the lamp holder that can be automatically increased area of dissipation according to claim 2, it is characterized in that, No. two annular grooves it are provided with on the outer surface of the lamp holder radiating tube below an annular groove, No. two permanent magnets it are provided with in No. two annular grooves, just it is provided with No. two bore on outer tube wall to place at the every one-level radiating tube corresponding with No. two permanent magnets, No. three permanent magnets it are fixed with respectively in each No. two bore, and the magnetic force of the magnetic force of No. two permanent magnets and No. three permanent magnets attracts each other, the captivation that electric magnet and the mutually exclusive repulsive force of permanent magnet attract each other more than No. two permanent magnets and No. three permanent magnets.
4. the lamp holder that can be automatically increased area of dissipation according to claim 1, it is characterized in that, the lower end nozzle diameter of lamp socket connecting tube is more than the upper end nozzle diameter of lamp socket connecting tube, and the lower end nozzle diameter of lamp socket connecting tube is equal to the upper end nozzle diameter of lamp holder radiating tube；In the tube chamber of every one-level radiating tube, be the most all sequentially provided with the heat conduction stator of band heat conduction through hole, memory alloy spring and two-class heat dissipation pipe, and the temperature of described memory alloy spring below design temperature time memory alloy spring extended length less than the temperature of described memory alloy spring higher than memory alloy spring extended length during design temperature；Every piece of heat conduction stator is all fixed in the tube chamber that heat conduction is connected to corresponding one-level radiating tube lower end, the lower end of every memory alloy spring is all fixed heat conduction and is connected on corresponding heat conduction stator, the upper end of every memory alloy spring is all fixed heat conduction and is connected on corresponding two-class heat dissipation pipe, and two-class heat dissipation pipe two-class heat dissipation pipe under the active force of memory alloy spring is positioned at one-level radiating tube when the temperature of memory alloy spring is below design temperature, when the temperature of memory alloy spring is higher than design temperature, two-class heat dissipation pipe upper end of two-class heat dissipation pipe under the active force of memory alloy spring can be stretched out from the upper end mouth of pipe of one-level radiating tube.
5. the lamp holder that can be automatically increased area of dissipation according to claim 1, it is characterized in that, on the inner tubal wall of one-level radiating tube, the pipe internal perisporium along one-level radiating tube is provided with some internal tooth ribs in spiral distribution, thus forms internal tooth rib groove on the inner tubal wall of the one-level radiating tube between adjacent two internal tooth ribs.
6. the lamp holder that can be automatically increased area of dissipation according to claim 1, it is characterized in that, on the outer tube wall of one-level radiating tube, the pipe periphery wall along one-level radiating tube is provided with some external tooth ribs in spiral distribution, thus forms external tooth rib groove on the outer tube wall of the one-level radiating tube between adjacent two external tooth ribs.
7. the lamp holder that can be automatically increased area of dissipation according to claim 5, it is characterized in that, internal tooth rib includes internal tooth rib A, internal tooth rib B, the internal tooth rib D of the trapezoidal shape of internal tooth rib C and cross section, on arbitrary cross section of one-level radiating tube, internal tooth rib A and internal tooth rib B place cambered surface respectively account for 80 ° of central angles, internal tooth rib C place cambered surface respectively accounts for 50 ° of central angles, internal tooth rib D place cambered surface accounts for 150 ° of central angles, the drift angle of internal tooth rib A and the drift angle of internal tooth rib B are fillet, and the arc radius of the drift angle fillet that the arc radius of the drift angle fillet of internal tooth rib A is more than internal tooth rib B, it is provided with V-shaped groove at the top of internal tooth rib C.
8. the lamp holder that can be automatically increased area of dissipation according to claim 5, it is characterised in that
The external diameter of one-level radiating tube is 2.16 millimeters, and the tolerance of its external diameter is ± 0.03 millimeter；
The internal diameter of one-level radiating tube is 2.62 millimeters, and the tolerance of its internal diameter is ± 0.04 millimeter；
The diapire thickness of one-level radiating tube is 0.2 millimeter, and the tolerance that its diapire is thick is ± 0.02 millimeter；
The tooth depth of internal tooth rib is 0.14 millimeter, and the tolerance of its tooth depth is ± 0.02 millimeter；
The addendum angle of internal tooth rib is 11 °, and the maximum allowance of its addendum angle is+6 °, and the minimal tolerance of addendum angle is-3 °；
The helical angle of internal tooth rib is 22 °, and the tolerance of its helical angle is ± 2 °；
The number of teeth on the inner tubal wall circumference of one-level radiating tube is 10.
9. the lamp holder that can be automatically increased area of dissipation according to claim 1, it is characterized in that, also include the current control module of lighting brightness size, controller and the horizontal detection sensor that can control to be connected on lamp holder, control end and the horizontal detection sensor of current control module are connected with controller respectively, and horizontal detection transducer arrangements is in one-level radiating tube.
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| CN201610161709.9A CN105823012B (en) | 2016-03-21 | 2016-03-21 | The lamp cap of heat dissipation area can be automatically increased |
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| CN106764511A (en) * | 2016-11-22 | 2017-05-31 | 遵义市义阳光电有限公司 | Radiating LED lamp |
| CN108181004A (en) * | 2017-12-22 | 2018-06-19 | 烟台艾睿光电科技有限公司 | A kind of infrared thermography |
| CN110290451A (en) * | 2019-06-26 | 2019-09-27 | 维沃移动通信有限公司 | A kind of package assembling and microphone mould group |
| CN111546633A (en) * | 2020-07-02 | 2020-08-18 | 深圳市深华科科技有限公司 | 3D printer that cooling effect is good |
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| CN105823012B (en) | 2019-01-08 |
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