CN103335257B - Spotlight - Google Patents

Spotlight Download PDF

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Publication number
CN103335257B
CN103335257B CN201310247646.5A CN201310247646A CN103335257B CN 103335257 B CN103335257 B CN 103335257B CN 201310247646 A CN201310247646 A CN 201310247646A CN 103335257 B CN103335257 B CN 103335257B
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China
Prior art keywords
cavity
led
spotlight
housing
power supply
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CN201310247646.5A
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Chinese (zh)
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CN103335257A (en
Inventor
陈熙鹏
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Beijing lexta electronic Polytron Technologies Inc
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BEIJING LIGHTSTAR ELECTRONIC Co Ltd
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Abstract

The present invention relates to lighting field, in particular to spotlight, comprising: housing, enclosure interior is divided into the first cavity, the second cavity and the 3rd cavity from top to bottom; First inside cavity is provided with power supply module, and be provided with fan between the first cavity and the second cavity, fan is connected with power supply module, for the wind of the first cavity is imported the second cavity; Second cavity is provided with radiating subassembly, and radiating subassembly is connected with power supply module; Be provided with LED lamp bead plate between second cavity and the 3rd cavity, all LED are all connected with power supply module, and LED lamp bead plate is provided with multiple LED, and each LED is furnished with LED lens, and all LED lens are in the 3rd inside cavity.This spotlight is electricity-saving lamp, and conversion of energy is little; Enclosure interior is provided with fan and radiating subassembly, can make LED quick heat radiating, reduces LED internal heat, avoids light fixture to cause damage because of overheated around, avoid repeatedly changing light fixture.

Description

Spotlight
Technical field
The present invention relates to lighting field, in particular to spotlight.
Background technology
Spotlight is applicable to the illumination light fixture of various motor-car exhibition, indoor and outdoor business activity, party celebration, large-scale performance and competitive sports, can meet the high-speed photography demand of pro digital video camera simultaneously.The many employings of spotlight 575 watts/1200 watts HMI lamps, the light source of this lamp uses metal halide bulb, and the caloric value of this lamp is higher, and lamp body hot face temperature, at about 130 DEG C, accidentally easily occurs burning if used, causes light fixture to damage, need often to change.
Summary of the invention
The object of the present invention is to provide a kind of spotlight, to solve the above problems.
Provide a kind of spotlight in an embodiment of the present invention, comprising: housing, the inside of described housing is divided into the first cavity, the second cavity and the 3rd cavity from top to bottom;
The inside of described first cavity is provided with power supply module, and be provided with fan between described first cavity and described second cavity, described fan is connected with described power supply module, for the wind of described first cavity is imported described second cavity;
Described second cavity is provided with radiating subassembly;
LED lamp bead plate is provided with between described second cavity and described 3rd cavity, all described LED lamp bead plates are provided with multiple LED, state LED to be all connected with described power supply module, each described LED is furnished with LED lens, and all described LED lens are in the inside of described 3rd cavity.
This spotlight adopts LED, LED is a kind of light fixture of economize energy, the heat energy transformed is less, namely heat release is few, avoid because overheated the causing of light fixture is burnt, and, the enclosure interior of spotlight is also provided with fan and radiating subassembly, quick heat radiating can be carried out to the heat that all LED send further, reduce the heat of LED inside from entirety, the inside of LED is lowered the temperature, also light fixture is avoided to cause damage because surrounding is overheated, avoid repeatedly changing light fixture, thus improve the service life of this spotlight, decrease the cost of spotlight.
Accompanying drawing explanation
Fig. 1 shows the schematic front view of spotlight in embodiment 2;
Schematic diagram is looked on the left side that Fig. 2 shows spotlight in embodiment 2;
Fig. 3 shows the profile in A-A direction in Fig. 1.
Note: 1 lamp bow; 2 through holes; 3 handles; 4 heat dissipation channels; 5 hide door leaf; 6 suspension assemblies; 7 binding posts; 8 power panels; 9 lamp pearl plates; 10LED lamp lens; 11 process chip; 12 fans; 13 heronsbill radiators.
Detailed description of the invention
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Embodiment 1:
A kind of spotlight, comprising: housing, the inside of described housing is divided into the first cavity, the second cavity and the 3rd cavity from top to bottom;
The inside of described first cavity is provided with power supply module, and be provided with fan between described first cavity and described second cavity, described fan is connected with described power supply module, for the wind of described first cavity is imported described second cavity;
Described second cavity is provided with radiating subassembly;
LED lamp bead plate is provided with between described second cavity and described 3rd cavity, all described LED lamp bead plates are provided with multiple LED, state LED to be all connected with described power supply module, each described LED is furnished with LED lens, and all described LED lens are in the inside of described 3rd cavity.
This spotlight adopts LED, LED is a kind of light fixture of economize energy, the heat energy transformed is less, namely heat release is few, avoid because overheated the causing of light fixture is burnt, and, the enclosure interior of spotlight is also provided with fan and radiating subassembly, quick heat radiating can be carried out to the heat that all LED send further, reduce the heat of LED inside from entirety, the inside of LED is lowered the temperature, also light fixture is avoided to cause damage because surrounding is overheated, avoid repeatedly changing light fixture, thus improve the service life of this spotlight, decrease the cost of spotlight.
Embodiment 2:
The present embodiment further limits on the basis of embodiment 1 and increases.
A kind of spotlight, as Fig. 1, 2, shown in 3, comprise housing, the two ends of rotatable coupling connecting lamp bow 1 are passed through in the relative both sides of the upper end of housing, the middle part of lamp bow 1 is fixedly connected with suspension assembly 6, thus the part that housing covers can relatively rotate around a rotating shaft with lamp bow 1, rotating shaft is on the line at lamp bow 1 two ends, simultaneously, the part covered in order to avoid housing is in use because relatively rotate with lamp bow 1, thus the hot spot moment that spotlight is got rock, rotatable coupling is also furnished with spacing handle 3, this spacing handle 3 is on the tie point of the two, the part that housing can be covered by the spacing handle of turn 3 is relative with lamp bow 1 fixing, there is not relative motion.Wherein, suspension assembly 6, can use the existing various various concrete structures for hanging, but, suspension assembly 6 will meet the following conditions: one, convenient suspension; Two, possess lock function after hanging, prevent spotlight from coming off from hanger.
The inside of housing is divided into the first cavity, the second cavity, the 3rd cavity from top to bottom;
In the first cavity, be provided with power panel 8, this power panel 8 is furnished with binding post 7, power panel 8 is connected with external power source, and then enters electric energy from outside, uses in order to spotlight, binding post 7 can through the upper end (such as: upper surface, top of side surface etc.) of housing.
Be provided with multiple through hole 2 on the top of the first cavity, all through holes 2 are evenly distributed state on the side surface on the top of the first cavity, thus the cold air of spotlight outside can enter in the housing of spotlight through through hole 2.First cavity can be cylindrical shell also can be square column housing.
Be provided with fan 12 between first cavity and the second cavity, this fan 12 is unidirectional fans 12, can by from outside, the air entered in the first cavity carries as the second cavity.And the hot-air of the second cavity can not enter the first cavity.In order to accomplish cooling further, the housing of the second cavity is provided with multiple equally distributed heat dissipation channel 4, and this heat dissipation channel 4 can be slender type.Heat dissipation channel 4 meeting other distribution modes in equally distributed situation, shape can set as required, also can set according to aesthetic.These heat dissipation channels 4 are a concrete form of radiating subassembly.
Another concrete form of the radiating subassembly set in the inside of the second cavity is as radiator 13, in order to improve area of dissipation, do not increase the weight of again the weight of spotlight, the radiator 13 adopted in this spotlight is heronsbill radiator 13, its area of dissipation is 1500-5000 square centimeter, and the quality of radiator 13 is 500-1500 gram.This radiator 13 not exclusively contacts with the inwall of the housing of the second cavity, space be therebetween radiating subassembly have a concrete form---heat radiation road.Heronsbill radiator 13 is normally for the fin of high-power electronic component heat radiation, need not additional power source, naturally cool, great majority are all make aluminium alloy extrusions, the size of needs is cut into, the fin of such as high-power switch tube or triode according to components and parts size.Certainly in particular cases the electronic component of super high power also has band radiator fan, and the switching tube of such as Switching Power Supply just must install radiator fan additional.
Lamp pearl plate 9 is provided with between the second cavity and the 3rd cavity, this lamp pearl plate 9 is provided with multiple LED, all LED linearly array distribution, or circular array distributes, or the distribution that linear array and circular array combine, the number of LED can be selected between 28-60, such as 28, 30, 45, 60, a number of LED depends primarily on the power output of spotlight, power output is larger, a number of LED is more, in order to contribute to the light extraction efficiency promoting LED, each LED is furnished with LED lens 10, the optical field distribution of LED lens 10 and then change LED.These LED lens 10 adopt optical grade resin lens.In order to improve the environment for use of spotlight, half light intensity angle of LED lens 10 is 5 °-20 °.The area of lamp pearl plate 9 can between 250 square centimeters be to 700 square centimeters.Relatively traditional lamp, this area is very little, but the power output of spotlight is but very large, between 250 watts to 600 watts.
In order to avoid LED is covered with dust, reduce and sweep frequency, between LED and LED lens 10, adopt dust seal to connect, the 3rd cavity is an enclosure space, thus LED is sealed in an enclosure space, prevents dust from entering.
LED is electricity-saving lamp, relatively traditional spotlight, and spotlight of the present invention can reduce the electric energy of 50%; LED is lightweight, and calculate according to use 800 desk lamp tool with the exhibition position of 800 square metres, what gross weight was more traditional decreases about 1600 kilograms, namely decreases the workload that aerial suspension is installed, too increases the safety coefficient of exhibition position stage bracket, more portable.LED is without ultraviolet radiation, and colour temperature, illumination remain on highly stable desired value state always, even if employ 50000 hours, colour temperature is still highly stable, and brightness value also maintains more than 70% of initial value.
This spotlight also adopts constant current temperature-controlling component, this constant current temperature-controlling component also serves the effect of temperature control, concrete structure is: process chip 11, resistance, the first temperature sensor, the second temperature sensor, three-temperature sensor, wherein, described process chip 11 is connected with three-temperature sensor with the first temperature sensor, the second temperature sensor respectively; Constant current assembly is connected with power supply module, to obtain electric energy; Described power supply module place is located at by first temperature sensor, for gathering the temperature of power panel 8 in power supply module and this temperature value being sent to process chip 11; Described fan 12 place is located at by described second temperature sensor, for gathering the temperature at fan 12 place and this temperature value being sent to process chip 11; Described three-temperature sensor is located at described radiating subassembly place, for gathering the temperature value at radiator 13 place of radiating subassembly, and this temperature value is sent to process chip 11; Process chip 11 obtains the temperature value gathered everywhere, and compared with the temperature value allowed with setting, if exceeded, then heighten the running speed of fan 12, described process chip 11 is connected with described fan 12, to control the speed of described fan 12, and then temperature control.Described process chip 11 is located at the inside of described first cavity.Described process chip 11 is connected with resistance, and circuit board, resistance, process chip 11 form a loop, when process chip 11 is for induced-current, and according to induced-current controlling resistance, and then reaches the effect of constant current.In order to better arrange the structure of whole spotlight inside further, process chip 11, resistance are positioned over the inside of the first cavity, reach the homogenising of spotlight internal structure on the one hand, in addition, cold wind is blown into from through hole 2, can also to as electric current, process chip 11, resistance lowers the temperature.
Present invention employs above three temperature sensors; automatically adjustment cooling air quantity can be carried out, when occurring abnormal causing the temperature change that surpasss the expectation can cut off the electricity supply again and carry out self-protection once fan 12, power supply along with the variations in temperature of core position (LED light emitting source, power panel 8).This point is connected with resistance by with process chip 11, carries out this operation by notice resistance value.
In addition, it should be noted that, by the spotlight of above Structure composing, the hot spot at 7 meters of can between 1.5 meters to 3 meters; The power of lamp is between 250 watts to 600 watts.Described lamp pearl plate 9 is the aluminium base of heat conduction; Inwall, the described radiating subassembly of described housing all scribble heat-conducting silicone grease.Better heat conduction can be carried out.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (7)

1. a spotlight, is characterized in that, comprising: housing, and the inside of described housing is divided into the first cavity, the second cavity and the 3rd cavity from top to bottom;
The inside of described first cavity is provided with power supply module, and be provided with fan between described first cavity and described second cavity, described fan is connected with described power supply module, for the wind of described first cavity is imported described second cavity;
Described second cavity is provided with radiating subassembly;
LED lamp bead plate is provided with between described second cavity and described 3rd cavity, described LED lamp bead plate is provided with multiple LED, all described LED are all connected with described power supply module, and each described LED is furnished with LED lens, and all described LED lens are in the inside of described 3rd cavity;
The inside of described housing is also provided with constant current temperature-controlling component, and described constant current temperature-controlling component comprises process chip, resistance and the first temperature sensor, the second temperature sensor and the three-temperature sensor that are connected with described process chip respectively;
Described process chip, resistance, power supply module form loop, to obtain electric energy;
Described power supply module place is located at by described first temperature sensor, and described fan place is located at by described second temperature sensor; Described three-temperature sensor is located at described radiating subassembly place;
Described process chip is connected with described fan, to control the speed of described fan;
Described process chip is located at the inside of described first cavity;
Described radiating subassembly comprises heronsbill radiator and heat radiation road, and the space between the inwall of described heronsbill radiator and described second cavity forms described heat radiation road, and the area of dissipation of described heronsbill radiator is 1500-5000 square centimeter;
Described power supply module comprises power panel, and described power panel is connected with external power source;
Hinged multiple screening door leaf, lower end of described housing.
2. spotlight according to claim 1, is characterized in that,
The upper body of described first cavity is provided with multiple equally distributed through hole, and the air for described spotlight outside enters described first cavity.
3. spotlight according to claim 1, is characterized in that,
Described radiating subassembly comprises multiple heat dissipation channel, and all heat dissipation channels are arranged at the housing of described second cavity in a uniformly distributed manner.
4. spotlight according to claim 1, is characterized in that,
The upper end of described housing is fixedly connected with suspension assembly by lamp bow, be connected by rotatable coupling between described housing with described lamp bow, described rotatable coupling is furnished with spacing handle, and described spacing handle is for limiting described housing and the relative motion of described lamp bow.
5. the spotlight according to any one of claim 1-4, is characterized in that, the number of described LED is 28-60; All described LED are arranged with linear array and/or circular array mode.
6. the spotlight according to any one of claim 1-4, is characterized in that, half light intensity angle of described LED lens is 5 °-20 °.
7. the spotlight according to any one of claim 1-4, is characterized in that,
Described lamp pearl plate is the aluminium base of heat conduction;
Inwall, the described radiating subassembly of described housing all scribble heat-conducting silicone grease.
CN201310247646.5A 2013-06-20 2013-06-20 Spotlight Active CN103335257B (en)

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Application Number Priority Date Filing Date Title
CN201310247646.5A CN103335257B (en) 2013-06-20 2013-06-20 Spotlight

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Application Number Priority Date Filing Date Title
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CN103335257B true CN103335257B (en) 2015-12-23

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108006587A (en) * 2017-11-21 2018-05-08 浙江邝记汽车零部件有限公司 A kind of lamp for automobile
CN109630947B (en) * 2019-01-08 2021-01-05 王世勇 Subway top linkage

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101932873A (en) * 2007-09-07 2010-12-29 飞利浦固体状态照明技术公司 Methods and apparatus for providing led-based spotlight illumination in stage lighting applications
CN102080794A (en) * 2011-03-03 2011-06-01 格瑞电子(厦门)有限公司 LED (light emitting diode) radiating illumination device
CN202091815U (en) * 2010-03-08 2011-12-28 罗姆股份有限公司 Lighting device
CN102518983A (en) * 2011-11-08 2012-06-27 浙江北光照明科技有限公司 Guide rail spotlight
CN103123105A (en) * 2012-11-23 2013-05-29 广州市雅江光电设备有限公司 Radiating system and radiating method of light-emitting diode (LED) threaded spot lamp
CN203442631U (en) * 2013-06-20 2014-02-19 北京莱斯达电子科技有限公司 Spot lamp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101932873A (en) * 2007-09-07 2010-12-29 飞利浦固体状态照明技术公司 Methods and apparatus for providing led-based spotlight illumination in stage lighting applications
CN202091815U (en) * 2010-03-08 2011-12-28 罗姆股份有限公司 Lighting device
CN102080794A (en) * 2011-03-03 2011-06-01 格瑞电子(厦门)有限公司 LED (light emitting diode) radiating illumination device
CN102518983A (en) * 2011-11-08 2012-06-27 浙江北光照明科技有限公司 Guide rail spotlight
CN103123105A (en) * 2012-11-23 2013-05-29 广州市雅江光电设备有限公司 Radiating system and radiating method of light-emitting diode (LED) threaded spot lamp
CN203442631U (en) * 2013-06-20 2014-02-19 北京莱斯达电子科技有限公司 Spot lamp

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Effective date of registration: 20161031

Address after: 100044, room 2, building 1, No. 711, Golden Sail Road, Beijing, Shunyi District

Patentee after: Beijing culture science and technology finance leasing Limited by Share Ltd

Address before: 101111, Tongzhou District Beijing Lake Town light mechanical and electrical integration industrial base, Light Industrial Park No. two, No. two workshop, C District

Patentee before: Beijing lexta electronic Polytron Technologies Inc

CP01 Change in the name or title of a patent holder

Address after: 101111, Tongzhou District Beijing Lake Town light mechanical and electrical integration industrial base, Light Industrial Park No. two, No. two workshop, C District

Patentee after: Beijing lexta electronic Polytron Technologies Inc

Address before: 101111, Tongzhou District Beijing Lake Town light mechanical and electrical integration industrial base, Light Industrial Park No. two, No. two workshop, C District

Patentee before: Beijing Lightstar Electronic Co., Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190910

Address after: 101300 Beijing Tongzhou Taihu Town Optical Mechatronics Industrial Base

Patentee after: Beijing lexta electronic Polytron Technologies Inc

Address before: 100044, room 2, building 1, No. 711, Golden Sail Road, Beijing, Shunyi District

Patentee before: Beijing culture science and technology finance leasing Limited by Share Ltd