CN109854974A - Lighting device - Google Patents
Lighting device Download PDFInfo
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- CN109854974A CN109854974A CN201711235224.0A CN201711235224A CN109854974A CN 109854974 A CN109854974 A CN 109854974A CN 201711235224 A CN201711235224 A CN 201711235224A CN 109854974 A CN109854974 A CN 109854974A
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- illumination region
- interconnecting piece
- rotatable illumination
- lamp cap
- conducting wire
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Abstract
The present invention relates to technical fields of lighting fixtures, disclose a kind of lighting device with rotatable illumination region, it include: rotatable illumination region, the circuit board that driving is provided for rotatable illumination region and the rotatable illumination region of connection and the lamp cap for storing circuit board, wherein, rotatable illumination region can be rotated relative to lamp cap；Conducting wire is contained in lamp cap, conducting wire one end is connected to the contact of lamp cap, and conducting wire is connected by interconnecting piece with circuit board, and the thermal contraction casing tube closely coated is additionally provided on interconnecting piece.The present invention can be adjusted the main light emission direction of rotatable illumination region by the way that lamp cap and rotatable illumination region to be rotatably attached to together, so that light selectively irradiates, and then meet different lighting demands.
Description
Technical field
The present invention relates to a kind of field of lighting devices, in particular to a kind of lighting device with rotatable illumination region.
Background technique
In lighting device, light bulb is very common, and is still widely available application in life of today.Usual light bulb
Including two parts of lamp cap and illumination region, it is fixedly connected between lamp cap and illumination region.
In actual use, with the increase of the diversified demands such as usage scenario and mounting condition, to the lamp after installation
The adjustable demand of luminous direction of bubble and lighting device is more and more.
In the prior art, such as Chinese utility model patent application CN201120409272.9 discloses a kind of LED bulb,
The bulb body is rotatingly connected to lamp cap with respect to lamp cap, screws tight after light bulb holder in lamp cap, as the direction of LED lamp panel is not inconsistent
Closing requirement, then opposite direction rotates bulb body, and the lamp cap for being installed on light bulb holder at this time is motionless, and bulb body rotates,
So that the direction of LED lamp panel is met requirement, requirement is not met with direction when solving the problems, such as LED bulb installation.
But in the prior art, when progress multiple reversed torsion adjustment is directed toward in the illumination of light bulb, exist due to light bulb phase
Relative rotary motion is occurred for lamp cap, thus in lamp cap the conducting wire that connect with bulb contact and other interior electronic devices of light bulb with
And the tie point between conducting wire, fracture or off-line can occur under stress because of reversed torsion, and then influence normal shine
The problem of bright use.
Summary of the invention
The purpose of the present invention is to provide a kind of lighting devices with rotatable illumination region, comprising:
Rotatable illumination region, the circuit board that driving is provided for rotatable illumination region and the rotatable illumination region of connection are simultaneously stored
The lamp cap of circuit board, the rotatable illumination region can be rotated relative to lamp cap；
Conducting wire is contained in lamp cap, conducting wire one end is connected to the contact of lamp cap, and passes through interconnecting piece and circuit board phase
Even；
Setting thermal contraction casing tube closely coats interconnecting piece.
The present invention can be passed through again by the way that lamp cap and rotatable illumination region link together after lamp cap is fixed on lamp holder
Rotatable illumination region is reversed, so that the main light emission direction to rotatable illumination region is adjusted, so that light is needed according to user
Realistic existing irradiation.For connecting the conducting wire of circuit board and cap contact by interconnecting piece, because of the fixed touching with lamp cap of one end
Point, and the other end is fixed on circuit board by interconnecting piece, so the reversed torsion lamp cap under unused state, or using shape
When twisting rotatable illumination region under state repeatedly, conductor part also passively can more be held with reversed torsion, especially interconnecting piece
It easily concentrates and bears distorting stress.Therefore present invention tight outside interconnecting piece and conducting wire has thermal contraction casing tube, to increase company
Intensity and anti-torsion fatigue fracture ability at socket part.
Preferably, interconnecting piece is connected by electronic device with circuit board；
Thermal contraction casing tube can also include the first thermal contraction casing tube and the second thermal contraction casing tube, and the first thermal contraction casing tube is close
It is coated on interconnecting piece, the electronics that the second thermal contraction casing tube at least coats the part of the first thermal contraction casing tube and is connected with interconnecting piece
Device.
Since the size of electronic device and the radial dimension difference of conducting wire are larger, thermal contraction casing tube can not be wrapped relatively closely
It is rolled in interconnecting piece, therefore two layers of thermal contraction casing tube is arranged preferably to play better protecting effect to interconnecting piece, it is effectively anti-
Only interconnecting piece caused by the torsion of conducting wire because be broken.
In addition, preferably, the length of conducting wire is greater than the contact of lamp cap to the linear distance of interconnecting piece；
The length of extension lead can be that there are surpluses for the torsion of conducting wire when lamp cap or rotatable illumination region rotate.Into
And conducting wire is made, in relatively loose state, to reduce interconnecting piece in the rotation process of lamp cap or rotatable illumination region and bear
Distorting stress, achieve the effect that protect interconnecting piece.
In addition, preferably, the length of conducting wire the contact of 1.5 times of lamp caps to interconnecting piece distance to 2 times of lamp caps touching
Point is between the distance of interconnecting piece；
It is preferred that the contact that the length of conducting wire is limited to contact to the distance of interconnecting piece to the 2 times of lamp caps of 1.5 times of lamp caps is arrived
It between the distance of interconnecting piece, can not only play to the good protecting effect of conducting wire, but also rationally remaining space in control lamp cap, have
Conducive to the placement of other electric elements.
Further, preferably, conducting wire part in lamp cap in the shape of a spiral, there is the helical form close to lamp cap one end to lead
The spiral lead part of line part and close interconnecting piece one end；
It is more fragile since the junction and interconnecting piece of conducting wire and contact are all the connections of two different parts, wherein
The junction of conducting wire and contact is faster subjected to the distorting stress generated when lamp cap rotation, and interconnecting piece is then easier to bear to revolve
Turn the distorting stress generated when illumination region rotation, compared to for integrally formed structure, the fatigue strength of junction is lower,
More easily by the destruction of distorting stress.Therefore, spiral lead part is separately positioned on lamp cap one end close to the position of contact
It sets and close to the position of interconnecting piece, conducting wire twisting resistance caused by the rotation of lamp cap and rotatable illumination region can be effectively absorbed
Square avoids stress concentration at junction and causes to be broken.
In addition, the height of these electric elements is no more than preferably, being additionally provided with other electric elements on circuit boards
The height of interconnecting piece；
In order to make lighting device normal luminous, therefore also need that other electric elements are arranged.These electric elements are most of
It can integrate on circuit boards.By the height limitation of electric elements under interconnecting piece, when can be to avoid rotation, conducting wire and electric appliance
Element is intertwined, and plays better protecting effect to interconnecting piece.
In addition, the height of other electric elements is not higher than close preferably, being additionally provided with other electric elements on circuit board
The height of the spiral lead part of interconnecting piece one end.
Since conducting wire is installing spiral lead part close to connecting portion, be easy when rotatable illumination region is rotated with
Other neighbouring electric elements are intertwined.Therefore, the height limitation of other electric elements is in the spiral shell close to interconnecting piece one end
It revolves under shape conductor part, spiral lead part and interconnecting piece can be protected.
In addition, light shielding part locally covers rotatable shine preferably, being additionally provided with light shielding part outside rotatable illumination region
Portion, for realizing with directionality shining.
The side of rotatable illumination region is arranged in light shielding part, and the light of the side pair is stopped or reflected, so that light
Line can only be projected from the opposite side of light shielding part, and then make to shine with directionality, realize that the directive property of light utilizes.
It is further, integrally formed with rotatable illumination region preferably, light shielding part is the part of rotatable illumination region,
Collectively form rotatable illumination region.
Using light shielding part as a part of rotatable illumination region, it is possible to reduce the weight of rotatable illumination region, so that
Entirely the lighting device with rotatable illumination region is lighter, and can rationally reduce cost.
Further, preferably, light shielding part is made of metal material.
Light shielding part uses metal material, since metal has preferable reflecting properties to light, can make rotatable
The light intensity of light from light source side is promoted.Also, metal material has preferable thermal conductivity, can will be in rotatable illumination region
Heat sheds in time.
Detailed description of the invention
Fig. 1 is the schematic elevation view for the lighting device that first embodiment of the invention has rotatable illumination region；
Fig. 2 is the explosive view for the lighting device that first embodiment of the invention has rotatable illumination region；
Fig. 3 is the partial enlargement diagram of the rotatable illumination region internal structure of first embodiment of the invention；
Fig. 4 is second embodiment of the invention setting electronic device and the first thermal contraction casing tube and the second thermal contraction casing tube
The partial enlargement diagram of lighting device；
Fig. 5 is second embodiment of the invention setting electronic device and the first thermal contraction casing tube and the second thermal contraction casing tube
The half-section diagram of lighting device；
Fig. 6 is the part for the lighting device for having rotatable illumination region that second embodiment of the invention conducting wire has there are surplus
Enlarged diagram；
Fig. 7 is the partial enlargement diagram for the lighting device that third embodiment of the invention has spiral lead.
Description of symbols:
The rotatable illumination region of 1-；1a- light shielding part；2- circuit board；3- lamp cap；The contact 3a-；4- conducting wire；4a, 4b- helical form
Conductor part；5- interconnecting piece；6- thermal contraction casing tube；The first thermal contraction casing tube of 6a-；The second thermal contraction casing tube of 6b-；7- electronics device
Part；8- electric elements.
Specific embodiment
Embodiment one
First embodiment of the invention provides a kind of lighting device with rotatable illumination region 1, referring to Fig. 1, Fig. 2
And Fig. 3 comprising:
Rotatable illumination region 1, the circuit board 2 that driving is provided for rotatable illumination region 1 and the rotatable illumination region 1 of connection are simultaneously
The lamp cap 3 of circuit board 2 is stored, rotatable illumination region 1 can be rotated relative to lamp cap 3；
Conducting wire 4 is contained in lamp cap 3,4 one end of conducting wire is connected to the contact 3a of lamp cap 3, and the other end passes through connection
Portion 5 is connected with circuit board 2；
The closely cladding interconnecting piece 5 of thermal contraction casing tube 6 is set.
In lighting device provided by the invention, rotatable illumination region 1 can be relatively rotated with lamp cap 3, can adapt to various
Demand to the luminous polydirectional of lighting device.
In simple terms, the installation and use of lighting device of the invention operate as follows:
Lamp cap 3 is corresponding with needing to install lamp holder (not shown) of lighting apparatus；
Lamp cap 3 is tightened on above-mentioned lamp holder；
In the case where keeping lamp cap 3 not rotate relative to lamp holder, with certain rotatable illumination region of torque turn-back
1, so that rotatable illumination region 1 is shone towards the direction for needing to irradiate；
Further according to actual needs, with certain torque forward direction or turn-back rotatable luminous 1, to adjust at any time
The direction of illumination of light.
After lamp cap 3 and lamp holder are tightened, when adjusting light direction of illumination, by rotatable illumination region 1 towards tightening screw-in lamp
When the opposite direction rotation in seat direction, if needing biggish torque when rotation, lamp cap 3 can be unscrewed, and then may cause
The poor contact of lamp cap 3 and lamp holder.In the present invention, torque needed for circling round is needed for usually screwing in lamp holder for lamp cap compared with torque
Afterwards, 0.12Nm or less ratio is set more preferably for maximum moment needed for convolution, can either smoothly be infinitely variable rotatable
The rotation of illumination region 1, and it is avoided that the influence connecting to lamp cap 3 with lamp holder.
It not can determine that the adjustment for needing what kind of specific angle after installing since installation is preceding, enough rotations are set
Gyration, so that there is enough surpluses when subsequent adjustment.In the present invention, the angle surplus there are 320 ° is than more preferably side
Case can not only substantially meet different adjusting requirements, can also avoid excessively reversing, in lamp cap 3 and rotatable illumination region 1
Structure play a certain protective role.
Rotatable illumination region 1 relies primarily on setting and connect in lamp cap 3 with rotatable illumination region 1 relative to the rotation with lamp cap 3
The rotational structure (not shown) at place.Wherein, which can be the cooperation of guide rail and sliding block, can also use threaded engagement
It realizes.
In lamp cap 3, one end of conducting wire 4 is fixed on the contact 3a of lamp cap 3, and the other end is fixed on electricity by interconnecting piece 5
On road plate 2.For interconnecting piece 5 by two different elements connection conductings, the interconnecting piece 5 in lighting device is usually solder joint, therefore strong
It spends lower, it is difficult to bear twisting resistance that is larger or repeatedly applying repeatedly.It is turned round when user confirms product before installing lighting device
When turning lamp cap 3 and rotatable illumination region 1, or after mounting rotatable illumination region 1 by user reverse and when rotating, due to conducting wire
4 both ends are separately fixed on the contact 3a of interconnecting piece 5 and lamp cap 3, therefore conducting wire 4 can also twist therewith.For turning round
The torque for turning lamp cap 3 or rotatable illumination region 1 can generate distorting stress on conducting wire 4, be easy in more fragile interconnecting piece 5
It concentrates and causes to be broken in place.
Thermal contraction casing tube 6 has high-temperature shrinkage and soft fire-retardant characteristic, therefore conducting wire 4 and interconnecting piece 5 are passed through heat and received
It after Heat-Shrinkable Tubings 6, then is heated with temperature appropriate, it will be able to make thermal contraction casing tube 6 closely coated wire 4 and interconnecting piece 5.
It, can be with conducting wire 4 and interconnecting piece 5 since thermal contraction casing tube 6 is soft and closely coats when the torque transmitting twisted
Distorting stress is born together, and generate certain deformation, and then twisting resistance is transmitted and dispersed.
In embodiment in the present invention, by being provided with close 4 part of coated wire outside interconnecting piece 5 and conducting wire 4 and connecting
The thermal contraction casing tube 6 of socket part 5, therefore the globality of conducting wire 4 Yu interconnecting piece 5 is enhanced, disperse the torsion that interconnecting piece 5 is individually born
Turning stress, so that the intensity of interconnecting piece 5 and anti-torsion fatigue fracture ability are preferably enhanced.
Compared to existing technologies, the present invention is by being rotatably attached to one for lamp cap 3 and rotatable illumination region 1
It rises, the main light emission direction of rotatable illumination region 1 can be adjusted, so that the direction of light as desired is irradiated.
Also, it is close outside interconnecting piece 5 and conducting wire 4 for being separately connected the conducting wire 4 that circuit board 2 and lamp cap 3 get an electric shock by interconnecting piece 5
It is enclosed with thermal contraction casing tube 6, the ability of the anti-torsion fatigue fracture of interconnecting piece 5 is enhanced, is preferably ensureing lighting device just
Often while work, the service life of the lighting device with rotatable illumination region 1 is also extended.
In addition, in the present embodiment, the outside or inside of rotatable illumination region 1 are additionally provided with light shielding part 1a, shading
Portion 1a locally covers rotatable illumination region 1, for realizing with directionality shining.
Specifically, the outer surface of rotatable illumination region 1 is arranged in as a part of rotatable illumination region 1 by light shielding part 1a
Side or inner surface side do not allow the light of the part to penetrate, so that light can only be from the part other than light shielding part 1a
It projects, therefore the material of light shielding part 1a has opaqueness.
During installation, the purpose for reversing rotatable illumination region 1 be exactly adjust rotatable illumination region 1 towards position, to light
The direction that line projects is selected.Therefore make to shine and there is directionality, realize that the directive property of light is adjusted.
In summary it considers, the lighting device provided by the invention with rotatable illumination region, compared to common illumination
Equipment is more suitable for needing the occasion of directional lighting, in particular improves the anti-torsion fatigue of the interconnecting piece 5 of lamp cap inside conductor 4
Fracture energy, can be as needed for user, repeatedly twists lamp cap 3 repeatedly or rotatable illumination region 1 adjusts illumination direction,
The interconnecting piece 5 that conducting wire 4 will not occur is broken because of torsion, thus the case where influencing normal illumination.
Meanwhile because having thermal contraction casing tube 6 in interconnecting piece 5 and the outer tight of conducting wire 4, interconnecting piece 5 is especially enhanced
Intensity objectively extends the service life of the lighting device with rotatable illumination region 1.
Embodiment two
Second embodiment of the present invention provides a kind of lighting device with rotatable illumination region 1, present embodiment
It is the further improvement to first embodiment.The part not illustrated, with first embodiment phase of the invention
Together, details are not described herein.
It is main to the improvement is that relative to first embodiment, in second embodiment of the present invention, referring to figure
4, shown in Fig. 5 and Fig. 6, the lighting apparatus with lamp cap 3 includes: that interconnecting piece 5 is connected by electronic device 7 with circuit board 2；
Thermal contraction casing tube 6 further includes the first thermal contraction casing tube 6a and the second thermal contraction casing tube 6b, the first thermal contraction casing tube 6a
It closely is coated on interconnecting piece 5, the second thermal contraction casing tube 6b closely coats at least part and the electronics of the first thermal contraction casing tube 6a
Device 7.
Electronic device 7 can not only be provided on circuit board 2, can also be arranged between conducting wire 4 and interconnecting piece 5.Due to
There may be biggish radial dimension gaps between 5 three of electronic device 7, conducting wire 4 and interconnecting piece, therefore, are used only one layer
Thermal contraction casing tube 6 can not be closely coated on three simultaneously, may also there are gaps between conducting wire 4, interconnecting piece 5.
In the present embodiment, three is wrapped up respectively using the first thermal contraction casing tube 6a and the second thermal contraction casing tube 6b.
First thermal contraction casing tube 6a is coated on interconnecting piece 5 and conducting wire 4, and the second thermal contraction casing tube 6b is coated on the first thermal contraction casing tube 6a
At least part and electronic device 7 on, enhance three between connection more fasten, enhance the globality of three.
When rotatable illumination region 1 is reversed when rotating by user, conducting wire 4 is distorted deformation due to by torque, so that
Torsional moment is transmitted along conducting wire 4.Since the first thermal contraction casing tube 6a and the second thermal contraction casing tube 6b is by conducting wire 4, interconnecting piece 5 and electricity
Sub- device 7 is integrally closely coated togather, and increases the intensity of junction.
In the present embodiment, electronic device 7 can be protective device.It is further preferred that electronic device 7 can be insurance
The devices such as resistance, to improve safety when lighting device uses.
Since the size of electronic device 7 and the diameter dimension difference of conducting wire 4 are larger, single thermal contraction casing tube 6 cannot be compared with
To be closely wrapped on interconnecting piece 5 and conducting wire 4 and electronic device 7 simultaneously, therefore two layers thermal contraction casing tube 6a and 6b, energy are set
It is enough that better protecting effect is played to interconnecting piece 5.Specifically, the first thermal contraction casing tube 6a is used to protect interconnecting piece 5 and guiding
Connection, the second thermal contraction casing tube 6b are used for the connection of interconnecting piece 5 and electronic device 7.
Preferably, in the present embodiment, the length of conducting wire 4 be greater than the contact 3a of lamp cap 3 to interconnecting piece 5 straight line away from
From；
When reversing rotatable illumination region 1 or lamp cap 3, can directly cause conducting wire 4 follows torsion.And conducting wire 4 has one
Fixed retractility, therefore when conducting wire 4 twists, conducting wire 4 will receive internal stress effect.At this point, interconnecting piece 5 is by torque
When will also by conducting wire 4 when tight to its pulling force, cause interconnecting piece 5 to be easier to be broken.
The length of extension lead 4, can when rotatable illumination region 1 or lamp cap 3 rotate, be conducting wire 4 movement there are
Ampleness, so that conducting wire 4 is in the state for being in relative relaxation, the torsional moment for delaying interconnecting piece 5 to receive and elimination conducting wire 4
To the pulling force of interconnecting piece 5, achieve the effect that protect interconnecting piece 5.
Preferably, in the present embodiment, the length of conducting wire 4 1.5 times of lamp caps 3 contact 3a to interconnecting piece 5 distance
To 2 times of lamp caps 3 contact 3a between the distance of interconnecting piece 5.
In lamp cap 3, the length for increasing conducting wire 4 can provide sufficient surplus for the torsion of conducting wire 4.In view of rotatable
The rotation angle that illumination region 1 needs, while conducting wire 4 being avoided to be wrapped on other electric elements 8, the present invention is preferably by conducting wire 4
Length is set in contact 3a of the contact 3a of 1.5 times of lamp caps 3 to the distance of interconnecting piece 5 to 2 times of lamp caps 3 to the distance of interconnecting piece 5
In the range of.This range can either leave sufficient surplus for the movement and deformation of conducting wire 4, and can control conducting wire 4 in lamp
Shared volume and motion range in first 3.
Also, it in the present embodiment, is additionally provided with other electric elements 8, the height of electric elements 8 on the circuit board 2
No more than the height of interconnecting piece 5；
In order to make lighting apparatus normal luminous, therefore also need to be arranged other electric elements 8.These big portions of electric elements 8
Dividing can integrate on the circuit board 2.But the space in lamp cap 3 is limited, may be with when conducting wire 4 such as is distorted at the movement
Other higher-height electric elements 8 are touched or are wound, and then may pull conducting wire 4 is broken interconnecting piece 5.At this
In invention, the height of electric elements 8 is reduced, electric elements 8 is made to be located at the height of interconnecting piece 5 or less.Specifically, Ke Yitong
The length for shortening 8 pin of electric elements is crossed, realizes the height for reducing electric elements 8.
By the height limitation of electric elements 8 under interconnecting piece 5, it can reduce in torsion, conducting wire 4 and electric elements 8
The probability of happening for touching or being intertwined plays the effect of protection to interconnecting piece 5.
Considering for comprehensive first and second embodiments, in the present invention specifically limits 4 length of conducting wire in lamp cap 3
It is fixed, reduce the stress of conducting wire 4 and interconnecting piece 5, to improve the integral strength of conducting wire 4 and interconnecting piece 5, increases lamp cap 3 and can
The convolution number in rotary luminous portion 1 while improving safety, extends the lighting device with rotatable illumination region 1
Service life.
Embodiment three
The third embodiment of the invention provides a kind of lighting device with rotatable illumination region 1, this embodiment party
Formula is the further improvement to first embodiment or second embodiment any embodiment.Mainly the improvement is that,
Shown in Figure 7 during third embodiment party of the invention is, the part in lamp cap 3 of conducting wire 4 in the shape of a spiral, is respectively provided with by low beam
The spiral lead part 4b of the spiral lead part 4a of first 3 one end and close 5 one end of interconnecting piece.
It is that a kind of reduce reverses arranging for the influence to interconnecting piece 5 by the length of extension lead 4 there are certain surplus
It applies, but twisting in motion process in conducting wire 4, excessive balance may touch or be wound into other electric elements 8.Cause
This, it is using conducting wire 4 is arranged to spiral helicine mode that the limitation of these surpluses is fixed in a certain range in present embodiment.
Specifically, a spiral lead part 4a is arranged in one end of lamp cap 3, close to the position of contact 3a, separately
5 top of interconnecting piece is arranged in close to the position of interconnecting piece 5 in one spiral lead part 4b.
Since conducting wire 4 is all the connecting portion of two different components from the junction of contact 3a and interconnecting piece 5, compared with
For fragility.Compared to for integrally formed structure, the fatigue strength of junction is lower, it is easier to be broken by stress is twisted
It is bad.Therefore spiral lead part 4a and 4b are separately positioned on 3 one end of lamp cap close to the position of contact 3a and close to interconnecting piece 5
Position.
When illumination region 1 rotatable under 3 stationary state of lamp cap twists convolution, when conducting wire 4 reverses therewith, because torsional deflection is most
It is first transmitted to spiral lead part 4b, is absorbed in the part of spiral lead part 4b so that twisting, quilt is deformed
Control will not have an impact other electric elements 8 on circuit board 2 in the range of spiral lead part.
When being not in installation condition, such as holding rotatable illumination region 1 and twist the test of lamp cap 3,4 part of conducting wire is twisted
Transformation shape is transmitted to spiral lead part 4a at first, and is absorbed in the part, and deformation is controlled in close to contact
In the range of the spiral lead part of the side 3a, interference or touching will not be generated with other electric elements 8.
Preferably, other electric elements 8 are additionally provided on circuit board 2, the height of other electric elements 8 is not higher than close to connection
The height of the spiral lead part 4b of 5 one end of portion.
Spiral lead part 4b is arranged above interconnecting piece 5, is connected since the height of spiral shell rotary wire part 4b is greater than
The height of socket part 5, therefore conducting wire 4 and electric elements 8 can be efficiently reduced there is a situation where wind or touch generation.
Embodiment four
The present invention also provides a kind of lighting device with rotatable illumination region 1, present embodiment is to above-mentioned three
The further improvement of any one embodiment in embodiment.It mainly thes improvement is that, in the 4th embodiment party of the invention
In formula, referring to figure 1 and figure 2, light shielding part 1a is the part of rotatable illumination region 1, integrally formed with rotatable illumination region 1,
It collectively forms.
Since the present invention can be realized directional lighting, it is provided with light shielding part 1a.Using light shielding part 1a as rotatable hair
The part in light portion 1 is integrally formed the two, can generate better shaded effect.
Specifically, can be set also can be set on the inner wall of rotatable illumination region 1 rotatable illumination region 1 it
Outside, so that light can not penetrate the region, and then shading can be reached to needing the region of shading to smear the coating of shading performance
Purpose.Certainly, use other materials with shading performance equally can be with as light shielding part 1a.
It is further preferred that light shielding part 1a can be such that light shielding part 1a has reflective using the material with good reflective function
Performance reflects the light of the side light shielding part 1a, increases the light intensity of rotatable 1 side of illumination region, realizes to illumination
The effective use of light.
Also, using light shielding part 1a as a part of rotatable illumination region 1, it is possible to reduce the weight of rotatable illumination region 1,
So that entirely the lighting device with rotatable illumination region 1 is lighter, and it can rationally reduce cost.
It is further preferred that in the present embodiment, light shielding part 1a is made of metal material.
Metal material has good ductility plasticity and reflective function.Light shielding part 1a uses metal material, can incite somebody to action
Light reflection, make rotatable illumination region 1 shine side light intensity promoted.Also, metal material also has preferable thermal conductivity.If
When internal luminescent device is not LED component, a large amount of heat may be generated, the light shielding part 1a being made of metal material can
Heat exchange effectively is carried out with the external world, achievees the effect that heat dissipation.Light shielding part 1a can also link together with circuit board 2, will be electric
Heat on road plate 2 is exchanged with the external world to improve heat dissipation effect.
It will be understood by those skilled in the art that in above-mentioned each embodiment, in order to keep reader more preferably geographical
It solves the application and proposes many technical details.But even if without these technical details and based on the respective embodiments described above
Various changes and modifications can also realize each claim technical solution claimed of the present invention substantially.Therefore, in reality
In, can to above embodiment, various changes can be made in the form and details, without departing from spirit and model of the invention
It encloses.
Claims (10)
1. the lighting device that one kind has rotatable illumination region (1), comprising:
It can be revolved described in rotatable illumination region (1), the circuit board (2) that driving is provided for the rotatable illumination region (1) and connection
Turn illumination region (1) and store the lamp cap (3) of the circuit board (2), which is characterized in that
The rotatable illumination region (1) can rotate relative to lamp cap (3)；
It being contained conducting wire (4) in the lamp cap (3), described conducting wire (4) one end is connected to the contact (3a) of the lamp cap (3),
And it is connected by interconnecting piece (5) with the circuit board (2)；
Setting thermal contraction casing tube (6) closely coats the interconnecting piece (5).
2. the lighting device according to claim 1 with rotatable illumination region (1), which is characterized in that the interconnecting piece
(5) it is connected by electronic device (7) with the circuit board (2)；
The thermal contraction casing tube (6) includes the first thermal contraction casing tube (6a) and the second thermal contraction casing tube (6b), and first heat is received
Heat-Shrinkable Tubings (6a) are closely coated on the interconnecting piece (5), and second thermal contraction casing tube (6b) coats first heat shrinking sleeve
Manage at least local and described electronic device (7) of (6a).
3. the lighting device according to claim 1 with rotatable illumination region (1), which is characterized in that the conducting wire (4)
Length be greater than the lamp cap (3) contact (3a) arrive the interconnecting piece (5) distance；.
4. the lighting device according to claim 1 or 2 with rotatable illumination region (1), which is characterized in that the conducting wire
(4) length the contact (3a) of 1.5 times of lamp caps (3) to the interconnecting piece (5) distance to 2 times of lamp caps (3)
Contact (3a) is between the distance of the interconnecting piece (5)；.
5. the lighting device according to claim 3 or 4 with rotatable illumination region (1), which is characterized in that the conducting wire
(4) in the lamp cap (3) part in the shape of a spiral, have close to the lamp cap (3) one end spiral lead part (4a) and
Close to the spiral lead part (4b) of the interconnecting piece (5) one end；.
6. the lighting device according to claim 1-3 with rotatable illumination region (1), which is characterized in that
Other electric elements (8) are additionally provided on the circuit board (2), the height of the electronic device (7) is no more than the connection
The height in portion (5)；.
7. the lighting device according to claim 5 with rotatable illumination region (1), which is characterized in that the circuit board
(2) other electric elements (8) are additionally provided on, the height of other electric elements (8) is not higher than close to the interconnecting piece (5)
The height of the spiral lead part (4a) of one end.
8. the lighting device according to claim 1-3 with rotatable illumination region (1), which is characterized in that institute
It states and is additionally provided with light shielding part (1a) outside rotatable illumination region (1), the light shielding part (1a) locally covers rotatable illumination region
(1), for realizing with directionality shining.
9. the lighting device according to claim 8 with rotatable illumination region (1), which is characterized in that the light shielding part
(1a) is the part of the rotatable illumination region (1), integrally formed with the rotatable illumination region (1), is collectively formed.
10. the lighting device with rotatable illumination region (1) according to claim 8 or claim 9, which is characterized in that the screening
(1a) is made of metal material in light portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711235224.0A CN109854974B (en) | 2017-11-30 | 2017-11-30 | Lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711235224.0A CN109854974B (en) | 2017-11-30 | 2017-11-30 | Lighting device |
Publications (2)
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| CN109854974B CN109854974B (en) | 2022-09-09 |
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| US5644189A (en) * | 1995-02-08 | 1997-07-01 | Bunker Sales & Marketing, Inc. | Strain and vibration resistant halogen light bulb for aircraft and method |
| JPH10208564A (en) * | 1997-01-21 | 1998-08-07 | Sumitomo Wiring Syst Ltd | Concentrated splice device of wire harness and concentrated splice method |
| CN1296147A (en) * | 2000-12-08 | 2001-05-23 | 徐培鑫 | Novel decorative lamp and conductive wire connection tool |
| JP2007244096A (en) * | 2006-03-08 | 2007-09-20 | Nsk Ltd | Motor |
| CN202140870U (en) * | 2011-07-22 | 2012-02-08 | 陕西国强光电科技股份有限公司 | Lighting lamp capable of being rotatably adjusted |
| CN104169770A (en) * | 2011-10-31 | 2014-11-26 | 康宁光电通信有限责任公司 | Strain relief for pigtail module comprising heat shrink elements |
| CN102544874A (en) * | 2012-03-02 | 2012-07-04 | 上海航天科工电器研究院有限公司 | Sealed cable connector |
| CN203734891U (en) * | 2013-02-18 | 2014-07-23 | 松下电器产业株式会社 | Light source for lighting and lighting device |
| CN203760709U (en) * | 2013-12-05 | 2014-08-06 | 四川新力光源股份有限公司 | Lamp holder terminal with limiting structure and with insulating cover |
| CN206080106U (en) * | 2016-07-21 | 2017-04-12 | 东莞市久旺电子有限公司 | Signal connection and state indicating line that rice cooker was used restraint |
| CN205880317U (en) * | 2016-08-06 | 2017-01-11 | 深圳长飞智连技术有限公司 | Pyrocondensation formula fiber cable branch strengthening mechanism |
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| CN109854974B (en) | 2022-09-09 |
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