CN104676495A - Lamp shock-absorption structure and lamp - Google Patents

Lamp shock-absorption structure and lamp Download PDF

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Publication number
CN104676495A
CN104676495A CN201310618026.8A CN201310618026A CN104676495A CN 104676495 A CN104676495 A CN 104676495A CN 201310618026 A CN201310618026 A CN 201310618026A CN 104676495 A CN104676495 A CN 104676495A
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CN
China
Prior art keywords
vibration
damping
light fixture
shock
base
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Application number
CN201310618026.8A
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Chinese (zh)
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CN104676495B (en
Inventor
周明杰
丁牛欢
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海洋王(东莞)照明科技有限公司
海洋王照明科技股份有限公司
深圳市海洋王照明工程有限公司
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Priority to CN201310618026.8A priority Critical patent/CN104676495B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00Protecting lighting devices from damage
    • F21V15/04Resilient mountings, e.g. shock absorbers

Abstract

The invention relates to a lamp shock-absorption structure and a lamp. The lamp comprises a magneto-electrical vibration measuring sensor and at least one hydraulic shock absorber. The magneto-electrical vibration measuring sensor is used for detecting a vibration measuring electrical signal. The at least one hydraulic shock absorber can be used for bearing a lamp holder. Each hydraulic shock absorber comprises a hydraulic cylinder, a piston capable of moving vertically relative to the hydraulic cylinder and an electric control unit for adjusting the moving of the piston. The electric control units are electrically connected with a control unit of the magneto-electrical vibration measuring sensor, and accordingly, the moving of the piston can be controlled through the vibration measuring electrical signal to achieve shock absorption towards the lamp holder born on the pistons. The lamp shock-absorption structure is capable of being adjusted automatically according to the usage environment, wide in application range and good in lamp holder protection effect.

Description

Light fixture shock-damping structure and light fixture
Technical field
The present invention relates to lighting device, particularly relate to a kind of shock-damping structure of light fixture.
Background technology
In existing technology, mostly lamp holder is do not have vibration-proof structure; Or employing directly adds shock mount at lamp holder fixed support, like this when lamp holder is subject to larger vibratory impulse power, is easy to the spring that breaks, even damages internal part; Or spring will do thicker, like this can be heavier.Described shock-damping structure is all fixed damping device substantially, and can not change because vibration environment changes, environment for use is restricted.If needed in following environment, as bank bridge, straddle truck, when large automobile uses, lamp holder is easy to be subject to great vibrations, and the light source of such lamp holder is easy to be shattered.
Summary of the invention
The technical problem to be solved in the present invention is the deficiency overcoming the existence of above-mentioned prior art, and proposes a kind of shock-damping structure of light fixture, and automatically can regulate according to environment for use, applied range, protection lamp holder is effective.
For solving the problems of the technologies described above, the present invention proposes a kind of light fixture vibration-proof structure, and it comprises:
One magneto-electric vibration-measuring sensor, provides a vibration measuring signal of telecommunication in order to detect vibration;
At least one hydraulic damper, can in order to carry a lamp holder, each hydraulic damper comprise a hydraulic cylinder, can the piston that moves up and down of relatively described hydraulic cylinder and in order to regulate an ECU of described piston movement;
Wherein, described ECU is electrically connected with the control unit of described magneto-electric vibration-measuring sensor, thus controls described piston movement to realize the vibration damping to the lamp holder be carried on described piston by the described vibration measuring signal of telecommunication.
Wherein, described piston comprises the base portion being positioned at described hydraulic cylinder and the bar portion protruded upward by described base portion; Described hydraulic cylinder is divided into a upper liquid chamber and once liquid chamber by described base section, and described base portion is provided with a hydraulic regulation passage of through described upper liquid chamber and lower liquid chamber; Described ECU comprises the electrically-controlled valve be installed on described hydraulic regulation passage.
Wherein, described electrically-controlled valve comprises a valve body and the motor in order to control described valve body action, and described motor is controlled by the described vibration measuring signal of telecommunication.
Wherein, described bar portion is provided with a gripper shoe, in order to support described lamp holder.
Wherein, described bar portion comprises the threaded joints that relatively described gripper shoe protrudes upward further, connects a nut to be fixed in described gripper shoe by described Lock with lighting means in order to correspondence.
Wherein, the number of described hydraulic damper is two.
Wherein, described magneto-electric vibration-measuring sensor comprises can respond to external vibration and the magnet moved up and down with spring and the magnetic induction coil matched with described magnet, and the described vibration measuring signal of telecommunication is provided by described magnetic induction coil.
Wherein, described magneto-electric vibration-measuring sensor comprises: the housing of a cylindrical shape, a upper cover corresponding with described housing, and described inner walls is provided with a magnetic induction coil, and its tap place is provided with the holding wire of output signal; One connecting rod through described housing and upper cover, and is fixed on housing with a nut matched with it; Described connecting rod is socketed with a magnet, the both ends of the surface up and down of described magnet are socketed on described connecting rod respectively a spring, and described spring is connected to described upper cover and the bottom of housing respectively.
Wherein, described magnet comprises a cylindric base portion, and two disks laterally extended by described base portion two ends, is provided with a perforation in described base portion and described disk.
The present invention also proposes a kind of light fixture, and it comprises above-mentioned light fixture shock-damping structure.
Compared with prior art, light fixture shock-damping structure of the present invention and light fixture are coordinated with the ingenious of hydraulic damper by magneto-electric vibration-measuring sensor, automatically can regulate, applied range according to environment for use, and protection lamp holder is effective.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of light fixture of the present invention and shock-damping structure embodiment thereof.
Fig. 2 A to Fig. 2 E is the schematic diagram of magneto-electric vibration-measuring sensor in light fixture shock-damping structure embodiment of the present invention, and wherein, Fig. 2 A is stereogram, and Fig. 2 B is front view, and Fig. 2 C is top view, and Fig. 2 D is sectional view, and Fig. 2 E is exploded view.
Fig. 3 A and Fig. 3 B is the schematic diagram of hydraulic damper in light fixture shock-damping structure of the present invention, and wherein, Fig. 3 A is front view, and Fig. 3 B is sectional view.
Wherein, description of reference numerals is as follows:
1 fixed head; 2 magneto-electric vibration-measuring sensors, 21 housings, 22 upper covers, 221 cable-through holes, 222 through holes, 23 fixing feet, 231 installing holes, 24 connecting rods, 25 nuts, 26 magnet, 261 base portions, 262 disks, 263 perforation, 27 springs, 28 induction coils, 29 holding wires; 3 hydraulic damper, 31 hydraulic cylinders, 311 upper liquid chambers, 312 times liquid chambers, 32 hydraulic oil, 33 base portions, 331 cavitys, 332 through holes, 333 damping holes, 34 motors, 35 valve bodies, 36 bar portions, 361 fairleads, 362 threaded joints, 37 gripper shoes, 38 holding wires; 4 supports; 5 lamp holders.
Detailed description of the invention
In order to further illustrate principle of the present invention and structure, below in conjunction with accompanying drawing, to a preferred embodiment of the present invention will be described in detail.
Accompanying drawings 1, have a kind of light fixture of light fixture shock-damping structure of the present invention, it roughly comprises: magneto-electric vibration-measuring sensor 2, two hydraulic damper 3, support 4 and the lamp holder 5 be installed on support 4.Wherein, this magneto-electric vibration-measuring sensor 2 and two hydraulic damper 3 can be installed in a supporting plane jointly, such as: on fixed head 1.
Accompanying drawings 2A to Fig. 2 E, this magneto-electric vibration-measuring sensor 2 comprises can respond to external vibration and the magnet 26 moved up and down with spring 27 and the magnetic induction coil 28 matched with described magnet 26.Described magnetic induction coil 28 can produce a vibration measuring signal of telecommunication in vibration processes.Further, light fixture shock-damping structure of the present invention also can be provided with the control unit (scheming not shown) coordinated with this magneto-electric vibration-measuring sensor 2, and this control unit can process the described vibration measuring signal of telecommunication, to provide suitable control signal.Particularly, described magneto-electric vibration-measuring sensor 2 comprises a cylindrical shell 21, be provided with a through hole (not shown) bottom it, the upper surface of this cylindrical shell 21 is provided with a corresponding upper cover 22, and described housing 21 lower limb is radially arranged with a pair fixing feet 23.The center of wherein said upper cover 22 is provided with a through hole 222, its capping is also provided with a cable-through hole 221.A pair fixing feet 23 of described cylinder housing 21 lower edge is provided with an installing hole 231, described magneto-electric vibration-measuring sensor 2 can be fixed on described fixed head 1 by described installing hole 231.The through hole 222 of the bottom through-hole and described upper cover center that are arranged in described housing 21 has a connecting rod 24, and connects with a nut 25.Wherein said connecting rod 24 is socketed with a magnet 26, described connecting rod 24 is positioned at described magnet 26 both sides and is also respectively socketed with a spring 27, this spring 27 one end is connected to upper cover 22, and one end is connected to described magnet 26; An other spring one end abuts magnet 26, and one end is connected to the bottom of housing 21.Described magnet 26 when this lamp holder 5 is subject to the vibration of environment, can follow spring 27 together along connecting rod 24 up-down vibration.One induction coil 28 is also installed in wherein said housing 21, the coiling trend of this induction coil 28 is not parallel with the magnetic field of described magnet 26, namely require when magnet 26 up-down vibration, induced-current can be produced in induction coil 28, the induced-current of the vibration measuring signal of telecommunication can be converted into.Two taps place of described induction coil 28 are connected with the holding wire 29 of an output vibration measuring signal of telecommunication.Accompanying drawings 2E, wherein said magnet 26 comprises a cylindrical base 261, and laterally extend two disks 262 by these cylindrical base 261 two ends, be provided with a perforation 263 between two disk 262 centers and base portion 261, described magnet 26 can be socketed on described connecting rod 24 by this perforation 263.
Accompanying drawings 3A and Fig. 3 B, this hydraulic damper 3 can in order to carry a lamp holder 5, each hydraulic damper 3 comprise a hydraulic cylinder 31, can the piston that moves up and down of relatively described hydraulic cylinder 31 and in order to regulate an ECU of described piston movement.Further, described hydraulic damper 3 comprises: a hydraulic cylinder 31, has filled hydraulic oil 32 in this hydraulic cylinder 31, is socketed on described hydraulic cylinder 31 inwall and has a piston, described piston comprises a base portion 33, in the bar portion 36 that center, described base portion 33 plate face protrudes upward.Described hydraulic cylinder 31 is divided into upper liquid chamber 311 and lower liquid chamber 312 by the base portion 33 of described piston.Be provided with a cavity 331 in the base portion 33 of wherein said piston, be horizontally connected with a through hole 332 with described cavity 331.The base portion 33 of described piston is also provided with a hydraulic regulation passage of a through upper liquid chamber 311 and lower liquid chamber 312, described hydraulic regulation passage comprises described cavity 331, described through hole 332 and longitudinally runs through the damping hole 333 of described base portion 33.Further, described ECU comprises the electrically-controlled valve be installed in described hydraulic regulation passage.Described electrically-controlled valve comprises a valve body 35 and the motor 34 in order to control the action of described valve body 35, and described motor 34 is controlled by the vibration measuring signal of telecommunication that described magneto-electric vibration-measuring sensor 2 produces.Described ECU comprises described electrically-controlled valve and provides the holding wire 38 of input control signal for this electrically-controlled valve.Wherein, described motor 34 is installed in described cavity 331, the rotating shaft of this motor 34 is connected with a valve body 35, this valve body 35 is installed in described through hole 332, this valve body 35 can move along described through hole 332 transversal stretching under the drive of motor, thus controls the size of described damping hole 333.The axle center place of bar portion 36 of described piston is provided with a fairlead 361, and described fairlead 361 is communicated with described cavity 331, draws two holding wires 38 from described motor 34.The upper end outer wall in the bar portion 36 of described piston is provided with a threaded joints 362, and described threaded joints 362 can an external support.Other one end of described holding wire 38 is electrically connected with the holding wire 29 of the tap of the magnetic induction coil 28 of described magneto-electric vibration-measuring sensor 2.The bar portion 36 of wherein said piston is also provided with a gripper shoe 37, a threaded joints 362 is extended on this gripper shoe 37 top further, and it also can a direct external lamp holder.
Accompanying drawings 1, this support 4 takes the shape of the letter U tabular, and bottom and the two described hydraulic damper 3 of this U-shaped support 4 are connected and fixed.Described support 4 end can be provided with a lamp holder 5.
Light fixture shock-damping structure operation principle of the present invention roughly has:
1, magneto-electric vibration-measuring sensor is by housing 21, upper cover 22, connecting rod 24, nut 25, magnet 26, spring 27 and magnetic induction coil 28 form, when sensing vibration, magnet 26 will teetertotter, and such magnet will move up and down, and making has electric current to produce in magnetic induction coil 28.The change of electric current can draw the ambient conditions of vibration.
2, two hydraulic damper 3 are fixed on fixed head 1, and magneto-electric vibration-measuring sensor 2 is assemblied on the same fixed head 1 in lamp holder 5 side.
3, after lamp holder is assemblied in environment for use, first convert the signal of telecommunication by magneto-electric vibration-measuring sensor 2 to according to the frequency of vibration and amplitude and feed back to hydraulic damper 3.
4, in hydraulic damper 3, motor 34 is installed, when the signal of telecommunication feeds back to motor 34, thus damping hole 333 size that valve body 35 comes on the base portion 33 of regulating piston can be promoted.So just can adjust damping property.
Compared with prior art, light fixture shock-damping structure of the present invention, this damper structure being combined with band vibration measuring function, can the size of regulator solution pressure damper damping hole, so can adapt to multiple vibration environment, and frequency and amplitude can effectively regulate.Thus protect the light source of lamp holder and the life-span of other parts.Lamp holder can be made at the environment of judder as bank bridge, straddle truck, when large automobile uses, protection light source, dependable performance.Light fixture shock-damping structure of the present invention, can be generalized to automotive field, in the large-scale dampening apparatus such as undercarriage, and applied range.
These are only better possible embodiments of the present invention, not limit the scope of the invention, all utilizations description of the present invention and the change of the equivalent structure done by accompanying drawing content, be all included in protection scope of the present invention.

Claims (10)

1. a light fixture vibration-proof structure, is characterized in that, comprising:
One magneto-electric vibration-measuring sensor, provides a vibration measuring signal of telecommunication in order to detect vibration;
At least one hydraulic damper, can in order to carry a lamp holder, each hydraulic damper comprise a hydraulic cylinder, can the piston that moves up and down of relatively described hydraulic cylinder and in order to regulate an ECU of described piston movement;
Wherein, described ECU is electrically connected with the control unit of described magneto-electric vibration-measuring sensor, thus controls described piston movement to realize the vibration damping to the lamp holder be carried on described piston by the described vibration measuring signal of telecommunication.
2. light fixture shock-damping structure as claimed in claim 1, it is characterized in that, described piston comprises the base portion being positioned at described hydraulic cylinder and the bar portion protruded upward by described base portion; Described hydraulic cylinder is divided into a upper liquid chamber and once liquid chamber by described base section, and described base portion is provided with a hydraulic regulation passage of through described upper liquid chamber and lower liquid chamber; Described ECU comprises the electrically-controlled valve be installed on described hydraulic regulation passage.
3. light fixture shock-damping structure as claimed in claim 2, it is characterized in that, described electrically-controlled valve comprises a valve body and the motor in order to control described valve body action, and described motor is controlled by the described vibration measuring signal of telecommunication.
4. light fixture shock-damping structure as claimed in claim 2, it is characterized in that, described bar portion is provided with a gripper shoe, in order to support described lamp holder.
5. light fixture shock-damping structure as claimed in claim 2, it is characterized in that, described bar portion comprises the threaded joints that relatively described gripper shoe protrudes upward further, connects a nut to be fixed in described gripper shoe by described Lock with lighting means in order to correspondence.
6. light fixture shock-damping structure as claimed in claim 1, it is characterized in that, the number of described hydraulic damper is two.
7. light fixture shock-damping structure as claimed in claim 1, it is characterized in that, described magneto-electric vibration-measuring sensor comprises can respond to external vibration and the magnet moved up and down with spring and the magnetic induction coil matched with described magnet, and the described vibration measuring signal of telecommunication is provided by described magnetic induction coil.
8. light fixture shock-damping structure as claimed in claim 7, it is characterized in that, described magneto-electric vibration-measuring sensor also comprises: the housing of a cylindrical shape, a upper cover corresponding with described housing, described inner walls is provided with a magnetic induction coil, and its tap place is provided with the holding wire of output signal; One connecting rod through described housing and upper cover, and is fixed on housing with a nut matched with it; Described connecting rod is socketed with a magnet, the both ends of the surface up and down of described magnet are socketed on described connecting rod respectively a spring, and described spring is connected to described upper cover and the bottom of housing respectively.
9. light fixture shock-damping structure as claimed in claim 8, it is characterized in that, described magnet comprises a cylindric base portion, and two disks laterally extended by described base portion two ends, is provided with a perforation in described base portion and described disk.
10. a light fixture, is characterized in that, comprises the light fixture shock-damping structure as described in any one of claim 1 to 9.
CN201310618026.8A 2013-11-27 2013-11-27 Lamps and lanterns shock-damping structure and lamps and lanterns Active CN104676495B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101144516A (en) * 2007-09-30 2008-03-19 北京航空航天大学 Vibration isolator
CN101737734A (en) * 2009-12-22 2010-06-16 海洋王照明科技股份有限公司 Vibration damper and lamp using same
CN101761884A (en) * 2010-02-04 2010-06-30 海洋王照明科技股份有限公司 Vibration isolator and lamp with vibration isolator
CN201680903U (en) * 2010-04-29 2010-12-22 三门峡上阳电器平衡机械有限公司 High sensitivity sensor for dynamic balancing machine
CN102278408A (en) * 2011-05-05 2011-12-14 江苏大学 Coaxial integrated air spring absorber with linkage and controllable rigidity and damping
CN102486213A (en) * 2010-12-03 2012-06-06 海洋王照明科技股份有限公司 Vibration isolating device and illuminating device comprising same
RU2470201C1 (en) * 2011-05-23 2012-12-20 Закрытое акционерное общество Научная организация "Тверской институт вагоностроения" (ЗАО НО ТИВ") System for damping vertical vibrations of railway passenger car body

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101144516A (en) * 2007-09-30 2008-03-19 北京航空航天大学 Vibration isolator
CN101737734A (en) * 2009-12-22 2010-06-16 海洋王照明科技股份有限公司 Vibration damper and lamp using same
CN101761884A (en) * 2010-02-04 2010-06-30 海洋王照明科技股份有限公司 Vibration isolator and lamp with vibration isolator
CN201680903U (en) * 2010-04-29 2010-12-22 三门峡上阳电器平衡机械有限公司 High sensitivity sensor for dynamic balancing machine
CN102486213A (en) * 2010-12-03 2012-06-06 海洋王照明科技股份有限公司 Vibration isolating device and illuminating device comprising same
CN102278408A (en) * 2011-05-05 2011-12-14 江苏大学 Coaxial integrated air spring absorber with linkage and controllable rigidity and damping
RU2470201C1 (en) * 2011-05-23 2012-12-20 Закрытое акционерное общество Научная организация "Тверской институт вагоностроения" (ЗАО НО ТИВ") System for damping vertical vibrations of railway passenger car body

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