WO2011057485A1

WO2011057485A1 - Energy-saving compound type lighting lamp

Info

Publication number: WO2011057485A1
Application number: PCT/CN2010/071686
Authority: WO
Inventors: 王红艳
Original assignee: Wang Hongyan
Priority date: 2009-11-16
Filing date: 2010-04-12
Publication date: 2011-05-19
Also published as: CN102062308A

Abstract

An energy-saving compound type lighting lamp includes a lamp housing (1), a lamp plate (2), a plurality of LED beads (3) mounted on the lamp plate (2), a metal halide lamp (4), a reflective cover (5), a light controller (71), a time controller (72), a first electronic rectifier (74) and the second electronic rectifier (73). A through hole (21) in which the metal halide lamp (4) is mounted is arranged at the center of the lamp plate (2). A power input interface used for inputting an alternating current and connected with the input of the light controller (71) is mounted on the lamp housing (1). The outputs of the light controller (71) are respectively connected with the inputs of the first electronic rectifier (74) and the second electronic rectifier (73), the outputs of the first electronic rectifier (74) are connected with each LED bead (3) respectively, and the output of the second electronic rectifier (73) is connected with the metal halide lamp (4). The time controller (72) is connected between the light controller (71) and the first electronic rectifier (74) or between the light controller (71) and the second electronic rectifier (73). The lighting lamp has the advantages of high luminance, long life, high color rendering and remarkable energy-saving effect after the compound application of the metal halide lamp and the LED.

Description

Energy-saving composite lighting fixture

Technical field

The invention relates to a lighting fixture, in particular to an energy-saving composite lighting fixture.

Background technique

As a new type of light source, LED light source has many advantages such as low voltage power supply, low energy consumption, strong applicability, high stability, short response time, no pollution to the environment, multi-color illumination, etc., but when the LED light source is used in street lamps and squares. In the field of lighting and other fields, its shortcomings will also appear: the heat of high-power LEDs is huge, and the LED itself has higher requirements for heat dissipation. Therefore, the poor heat dissipation effect can easily lead to rapid light decay of LEDs. This seriously affects the use of LEDs. For example, the theoretical life of LEDs is 100,000 hours, but in actual operation, its service life is shorter than the theoretical life. In addition, the price/performance ratio of LEDs is too low. Therefore, it is still difficult to completely replace the traditional light source with LED light source for outdoor lighting. In addition, when the LED is used as a street lamp or a square illumination lamp, there is a fault of light in the middle space when directly irradiated, and there are also many drawbacks such as glare problems, blind spots of light, and problems of fogging.

Metal halide lamp is the third generation of green lighting source emerging in the world after incandescent lamp and halogen lamp. It has the advantages of high luminous efficiency, good color rendering and long service life. Compared with ordinary incandescent lamp, metal halide lamp energy saving effect Amazing, the market space is huge. At present, metal halide lamps are developing rapidly in developed countries in Europe and America, with a penetration rate of nearly 40%. However, in the production of 8 billion bulbs in China last year, the proportion of metal halide lamps was less than 2%. Although the metal halide lamp has many advantages in use, since it is a high-temperature illuminant, if the metal halide lamp is continuously operated, the probability of failure is high. In addition, metal halide lamps also have disadvantages such as high power consumption.

Summary of the invention

The object of the present invention is to overcome the deficiencies of the prior art and provide an energy-saving composite lighting fixture, which is composed of gas discharge illuminating and semiconductor illuminating, capable of lengthening and complementing between LED and metal halide lamp, thereby overcoming LED and gold. The deficiencies of the halogen lamps.

The technical solution adopted by the present invention to solve the technical problem thereof is: an energy-saving composite lighting fixture, comprising:

a lamp housing, the lamp housing is provided with a power input interface for inputting AC mains;

a light board installed in the lamp housing and serving as a carrier for mounting two kinds of light sources; wherein a through hole is arranged in the middle of the light board;

a metal halide lamp installed in the through hole in the middle of the lamp panel;

a plurality of LED lamp beads are respectively installed on the front surface of the light plate and distributed around the periphery of the through hole or symmetrically distributed on both sides of the through hole;

a reflector mounted on the back of the lamp panel to cover the rear of the metal halide lamp and completely covering the through hole of the lamp panel from the back of the lamp panel;

a first electronic ballast connected between the power input interface and each of the LED lamp beads to convert the AC mains into a power signal suitable for use with the LED bead; and

a second electronic ballast connected between the power input interface and the metal halide lamp to convert the AC mains into a power signal suitable for use with the metal halide lamp;

Further, it also includes:

a light controller connected between the power input interface and the first electronic ballast and the second electronic ballast; the light controller is affected by the strong/weak light to generate a corresponding off/on signal To simultaneously control the opening/closing of the metal halide lamp and each LED lamp bead;

Further, it also includes:

a time controller connected between the light controller and the first electronic ballast or between the light controller and the second electronic ballast; the time controller is affected by a preset time parameter A corresponding control signal is generated to turn off the power supply of each LED bead or metal halide lamp at an agreed time.

The plurality of LED lamp beads are respectively connected in series into a plurality of LED light strings; the outputs of the first electronic ballasts are respectively connected to the respective LED light strings.

The plurality of LED lamp beads are evenly distributed on both sides of the metal halide lamp.

The plurality of LED lamp beads are evenly surrounded around the periphery of the through hole in the middle of the lamp plate.

The plurality of LED lamp beads are distributed in a plurality of rings and surround the periphery of the periphery of the through hole in the middle of the lamp plate.

In the multi-ring LED lamp bead, the distribution density of the LED lamp bead relative to the inner ring is smaller than the distribution density of the LED lamp bead relative to the outer ring.

The lamp housing comprises a front shell and a rear cover; a transparent glass is arranged in a middle portion of the front end surface of the front shell; a rear end of the front shell is pivotally connected to the rear cover; and the reflector is fastened to the front end of the back cover The rear portion of the front case is also integrally provided with a plurality of fins.

The lamp housing comprises a front cover and a rear cover; a transparent glass is arranged in a middle portion of the front cover; a front end of the rear cover is pivotally connected to the front cover; and a rear surface of the rear cover is further integrally provided with a plurality of heat sinks.

a lamp holder facing the through hole is further disposed at a rear hole of the through hole of the lamp board, wherein the metal halide lamp is inserted into the lamp holder, and the lamp holder is outputted with the output of the second electronic ballast connection.

The front surface of the reflector and the lamp board is made of aluminum as a base material, and after being subjected to oxidation and electrolytic treatment, a surface of an inorganic hard film having a thickness of <10 μm is coated on the surface.

An energy-saving composite lighting fixture comprises a metal halide lamp, a plurality of LED lamp beads and a front end controller, wherein the input of the front controller is connected with a power source, and the output of the front controller is respectively associated with a metal halide lamp and a plurality of LED lights The bead phase connection, the front end controller can output a control signal to the metal halide lamp and the plurality of LED lamp beads when the natural light changes, so that the metal halide lamp and the plurality of LED lamp beads simultaneously emit light to form a combination of the two lights to utilize the gold. The brightness of the halogen lamp compensates for the deficiencies caused by the individual LED beads being individually illuminated, or one of the metal halide lamps and the plurality of LED beads is turned off to form a single light for a predetermined period of time. In order to reduce the power of the lighting fixture to a preset range.

The invention has the beneficial effects that the LED lamp bead and the metal halide lamp are combined together, and the characteristics of the metal halide lamp can be utilized to solve the problem of the fault of the light in the central space when the LED lamp bead is directly irradiated, the problem of glare, The blind spot problem of light and the problem of fogging, the same can be used to solve the drawbacks of metal halide lamps by using the characteristics of LED lamp beads, and achieve the purpose of energy conservation by combining the two light sources. Thereby effectively extending the service life of the lamp; since the LED lamp bead is distributed on both sides of the metal halide lamp or around the periphery of the through hole in the middle of the lamp plate, the distribution pattern of the LED lamp bead greatly reduces the power of the LED lamp bead The density, which increases the heat dissipation space of the LED lamp bead, thus effectively reducing the possibility of light decay of the LED lamp bead; since the light controller is provided in the lamp, the brightness of the metal halide lamp and the LED lamp bead can be utilized Control, also because of the time controller in the luminaire, can be used to separate the metal halide lamp or LED lamp bead, especially when used separately for the metal halide lamp, through the appropriate time period for gold The control of the lamp can not only reduce the power of the lamp, but also make the service life of the metal halide lamp close to the LED lamp bead to extend the service life of the whole lamp; since the reflector is added to the lamp, the luminous efficiency of the lamp is greatly improved. improve.

In summary, the energy-saving composite lighting fixture of the present invention can obtain a large luminous flux of the LED lamp bead, and has the characteristics of long service life, high color rendering, and remarkable energy saving effect.

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments; however, an energy-saving composite lighting fixture of the present invention is not limited to the embodiment.

DRAWINGS

Figure 1 is a bottom plan view of the first embodiment of the present invention;

Figure 2 is a cross-sectional view showing the first embodiment of the present invention;

Figure 3 is a schematic view showing the structure of the first embodiment of the present invention (the front cover is in an open state);

Figure 4 is a block diagram showing the principle of the present invention;

Figure 5 is a schematic view showing the circuit connection of the first embodiment of the present invention;

Figure 6 is a bottom view of the second embodiment of the present invention;

Figure 7 is a cross-sectional view showing the second embodiment of the present invention;

Figure 8 is a schematic view showing the structure of the second embodiment of the present invention (the back cover is in an open state);

Figure 9 is a block diagram showing the principle of the present invention;

Figure 10 is a schematic view showing the circuit connection of the second embodiment of the present invention.

detailed description

Embodiment 1 Referring to FIG. 1 to FIG. 4, an energy-saving composite lighting fixture of the present invention comprises a lamp housing 1, a lamp board 2 installed in the lamp housing 1 and serving as a carrier for arranging two kinds of light sources, and mounting. a plurality of LED lamp beads 3 on the light board 2, a metal halide lamp 4, a reflector 5 and a bracket 6 for mounting the lamp housing 1; a through hole 21 in the middle of the lamp panel 2, a metal halide The lamp 4 is mounted in the through hole 21, and the plurality of LED lamp beads 3 are evenly distributed on both sides of the metal halide lamp 4; the reflector 5 is mounted on the back surface of the lamp plate 2 and completely covers the through hole of the lamp plate 2 21 and coated on the rear of the metal halide lamp 4;

A light controller 71, a time controller 72, a first electronic ballast 74 and a second electronic ballast 73 are also mounted in the front end portion 7 of the lamp housing 1; To input the power input interface of the AC mains; as shown in FIG. 4, the power input interface of the AC mains is connected to the input of the optical controller 71, and the output of the optical controller 71 is respectively associated with the first electronic ballast 74 and time. The inputs of the controller 72 are connected; the outputs of the first electronic ballast 74 are respectively connected to the respective LED bead 3; the output of the time controller 72 is connected to the input of the second electronic ballast 73, the second electronic town The output of the flow device 73 is connected to the metal halide lamp 4.

among them,

The plurality of LED lamp beads 3 are respectively connected in series into a plurality of LED light strings; the outputs of the first electronic ballasts 74 are respectively connected to the respective LED light strings;

The lamp housing 1 includes a front housing 11 and a rear cover 12; the end surface of the rear cover 12 has a square shape; a central portion of the front end surface of the front housing 11 is provided with a transparent glass 111, and the transparent glass 111 has a planar structure; The rear end of the front shell 11 is pivotally connected to the rear cover 12, and the front shell 11 can be opened downward along the pivotal axial direction of the front cover 12 to facilitate the installation of the metal halide lamp 4; the reflector 5 is snapped At the front end of the back cover 12;

The rear portion of the rear case 12 is also integrally provided with a plurality of fins 121;

The rear hole of the through hole 21 of the lamp plate 2 is further provided with a socket 8 facing the through hole 21, and the metal halide lamp 4 is inserted into the socket 8, the lamp holder 8 and the second The outputs of the electronic ballast 73 are connected;

The front surface of the reflector 5 and the lamp panel 2 is made of aluminum as a substrate, and after being subjected to oxidation and electrolytic treatment, an inorganic hard film having a thickness of <10 μm is coated on the surface thereof.

Referring to FIG. 5, an energy-saving composite lighting fixture of the present invention has a light controller 71 of the type JL-201C, and a time controller 72 of the type KG316T. An electronic ballast 74 adopts an electronic ballast of the type 110V-347V50/60Hz30W-50W, and the second electronic ballast 73 adopts an electronic ballast of the type 110V-347V50/60Hz70W-150W; among them, AC110V- The 347V50/60Hz AC mains is coupled to the input of the light controller 71, and the output of the light controller 71 is coupled to the input of the time controller 72 and the input of the first electronic ballast 74, respectively, the first electronic ballast 74. The outputs are respectively connected to respective LED bead 3s, the input of the second electronic ballast 73 is connected to the output of the time controller 72, and the output of the second electronic ballast 73 is connected to the metal halide lamp 4. The invention uses the light controller 71 to respectively control the working states of the LED lamp bead 3 and the metal halide lamp 4, that is, the light controller 71 is affected by the strong/weak light to generate a corresponding off/on signal to simultaneously control the metal halide lamp 4 And the opening/closing of each LED lamp bead 3, such as when the external light illuminance is less than 8 lux, the metal halide lamp 4 and each LED lamp bead 3 are in working state, when the external light illuminance is greater than 60 lux, the metal halide lamp 4 and each The LED lamp bead 3 is in the off state; the present invention uses the time controller 72 to control the operating state of the metal halide lamp 4, such as controlling the metal halide lamp 4 to operate between 19:00 and 02:00 every day. Therefore, the present invention enables the LED lamp bead 3 and the metal halide lamp 4 to be in an intermittent operation state, respectively.

An energy-saving composite lighting fixture of the present invention, for a total power of 200 W, the power of the LED lamp bead 3 and the metal halide lamp 4 can be variously matched, such as a metal halide lamp 4 and an LED lamp bead. The power ratio of 3 is set to 3:1, that is, the power of the metal halide lamp 4 is set to 150W, and the power of the LED lamp bead 3 is set to 50W, the lighting fixture can be used in the primary and secondary trunk lighting, and can be used in the middle of the night. Turn off the metal halide lamp 4, or use the lighting fixture in the main primary and secondary trunk lighting, then turn off the metal halide lamp 4 in the middle of the night; if the power ratio of the metal halide lamp 4 and the LED lamp bead 3 is set to 1: 1. The power of the metal halide lamp 4 and the LED lamp bead 3 is set to 100W, respectively, and the lighting fixture can be used in general roads, and can reduce the power by 50% in the middle of the night; for example, the power of the metal halide lamp 4 is set. For 70W, the power of the LED lamp bead 3 is set to 50W, and the lighting fixture can be used in communities, alleys, main and secondary trunk roads, factories and mines. In particular, the arrangement of the LED lamp bead 3 in the lamp panel 2 is generally determined according to the light distribution curve. For example, when the road lighting is emphasized, the butterfly assembly light curve is emphasized, and the LED lamp bead 3 must be arranged in a little more outer ring. And the placement point is in the form of two dimensions.

Embodiment 2, referring to FIG. 6 to FIG. 8 , an energy-saving composite lighting fixture of the present invention is different from the energy-saving composite lighting fixture of the first embodiment in that the front shell 11 is in a ring shape. The structure, the back cover 12 and the transparent glass 111 have a curved surface structure; the LED lamp beads 3 are evenly surrounded around the periphery of the through hole 21 in the middle of the lamp plate; and the dimmer 75 having the same function as the time controller 72 is used. The control of the metal halide lamp 4 is realized, and the front cover 61 of the bracket 6 can be opened downward to facilitate mounting of the light controller 71, the dimmer 75 and the like; the reflector 5 and the rear cover 12 can be opened upwards to The metal halide lamp 4 is conveniently installed; the rear portion of the front case 11 is also integrally provided with a plurality of fins 112. Here, the plurality of LED lamp beads 3 may also be distributed in a plurality of rings and surround the periphery of the through hole 21 in the middle of the lamp plate. In the multi-ring LED lamp bead, the distribution density of the LED lamp bead relative to the inner ring is smaller than that of the outer ring. The distribution density of the ring LED beads.

Referring to FIG. 9, an energy-saving composite lighting fixture of the present invention has an input of a light controller 71 connected to an AC mains, and an output of the light controller 71 and an input of the dimmer 75 and a first electron, respectively. The inputs of the ballast 74 are connected; the outputs of the first electronic ballast 74 are respectively connected to the respective LED bead 3; the output of the dimmer 75 is connected to the input of the second electronic ballast 73, the second electronic town The output of the flow device 73 is connected to the metal halide lamp 4.

Referring to FIG. 10, in an energy-saving composite lighting fixture of the present invention, the dimmer 75 adopts a dimmer of the type EC0-2-150A; as in the first embodiment, the optical controller 71 adopts a model number. For the light controller of JL-201C, the first electronic ballast 74 adopts an electronic ballast of the type 110V-347V50/60Hz30W-50W, and the second electronic ballast 73 adopts the model 110V-347V50/60Hz70W- 150W electronic ballast; the input of the light controller 71 is connected to AC 110V-347V50/60Hz AC mains, the output of the light controller 71 is respectively input to the dimmer 75 and the input of the first electronic ballast 74 Connected; the output of the first electronic ballast 74 is connected to the LED lamp bead 3; the output of the dimmer 75 is connected to the input of the second electronic ballast 73, and the output of the second electronic ballast 73 is connected to the gold Halogen lamp 4. Here, the dimmer 75 of the present invention, like the time controller 72 of the first embodiment, can be used to control the working time of the metal halide lamp 4 to cooperate with the LED lamp bead 3.

In the energy-saving composite lighting fixture of the present invention, a time controller or a dimmer may be coupled between the light controller 71 and the first electronic ballast 74 to further control the working time of each LED lamp bead 3. .

The energy-saving composite lighting fixture of the invention has the following advantages after the LED lamp bead 3 and the metal halide lamp 4 are compositely applied:

The invention can obtain a large luminous flux, and the invention overcomes the inadequacy of the LED lamp bead 3 that it is difficult to obtain a large luminous flux;

The service life is greatly improved. This is because the metal halide lamp 4 and the LED lamp bead 3 which are discharged by the high-intensity gas are combined, and the metal halide lamp 4 and the LED lamp bead 3 can be intermittently operated, thereby shortening the metal halide lamp. 4 or LED lamp bead 3 working time per day, which can effectively extend the service life of the light source and the lamp; in addition, because the composite lighting can greatly reduce the power density of the LED lamp bead 3, increase the heat dissipation space, thereby effectively reducing the LED The light decay of the lamp bead 3, thereby prolonging the life of the LED lamp bead 3;

With high color rendering, the invention combines the metal halide lamp 4 and the LED lamp bead 3, and the overall visual effect of the lamp is very good due to the enhancement of the intermediate visual effect;

The energy-saving effect is remarkable. For example, a lighting fixture composed of a 100W metal halide lamp and a 50W LED lamp bead and a lighting fixture composed of a 250W high-pressure sodium lamp are used under the same conditions, and the following data can be obtained after testing:

	总光通量Total luminous flux	出光通量Light flux	出光效率Light extraction efficiency	电器损耗Electrical loss	整体光效Overall light effect
100W金卤灯+50W LED灯珠100W metal halide lamp +50W LED lamp beads	15000流明15000 lumens	12000流明（灯具效率80%）12000 lumens (lamp efficiency 80%)	80%80%	5%5%	76.2流明/瓦76.2 lumens / watt
250W高压钠灯250W high pressure sodium lamp	20000流明20000 lumens	12000流明12,000 lumens	60%60%	10%10%	43.6流明/瓦43.6 lumens / watt

It is calculated that the lighting fixture composed of a 100W metal halide lamp and a 50W LED lamp bead can achieve a power saving rate of 42% under the same conditions of use compared with a lighting fixture composed of a 250W high pressure sodium lamp.

Compared with a lighting fixture composed of a 250W metal halide lamp, a lighting fixture composed of a 100W metal halide lamp and a 50W LED lamp bead can be tested to obtain the following data:

	总光通量Total luminous flux	出光通量Light flux	出光效率Light extraction efficiency	电器损耗Electrical loss	整体光效Overall light effect
100W金卤灯+50W LED灯珠100W metal halide lamp +50W LED lamp beads	15000流明15000 lumens	12000流明12,000 lumens	80%80%	5%5%	76.2流明/瓦76.2 lumens / watt
250W金卤灯250W metal halide lamp	20000流明20000 lumens	12000流明12,000 lumens	60%60%	10%10%	43.6流明/瓦43.6 lumens / watt

It is calculated that the lighting fixture composed of a 100W metal halide lamp and a 50W LED lamp bead can achieve 42% power saving under the same conditions of use compared with a lighting fixture composed of a 250W metal halide lamp. rate.

The above embodiments are only used to further illustrate an energy-saving composite lighting fixture of the present invention, but the present invention is not limited to the embodiments, and any simple modifications, equivalent changes, and modifications made to the above embodiments in accordance with the technical spirit of the present invention. All fall within the protection scope of the technical solution of the present invention.

Industrial applicability

The energy-saving composite lighting fixture of the invention has the characteristics of large luminous flux, long service life, high color rendering property, remarkable energy-saving effect, etc., is convenient to implement, and can be widely applied.

Claims

An energy-saving composite lighting fixture characterized by:

a lamp housing (1), the lamp housing (1) is provided with a power input interface for inputting AC mains;

a light board (2), the light board (2) is installed in the lamp housing and serves as a carrier for mounting two kinds of light sources; wherein a through hole (21) is arranged in the middle of the light board (2);

a metal halide lamp (4) installed in the through hole (21) in the middle of the lamp plate (2);

a plurality of LED lamp beads (3) respectively mounted on the front surface of the lamp plate (2) and distributed around the periphery of the through hole (21) or symmetrically distributed on both sides of the through hole (21);

a reflector (5) is mounted on the back of the lamp panel (2) to cover the rear of the metal halide lamp (4) and completely covers the through hole of the lamp panel (2) from the back of the lamp panel (2) (twenty one);

a first electronic ballast (74) connected between the power input interface and each of the LED bead (3) to convert the AC mains into a suitable LED bead (3) ) the power signal used; and

a second electronic ballast (73) connected between the power input interface and the metal halide lamp (4) to convert the AC mains into a metal halide lamp (4) Power signal used;

Further, it also includes:

a light controller (71), the input of the light controller (71) is connected to a power input interface; the output of the light controller (71) is respectively input to the first electronic ballast (74) and the second electron The input of the ballast (73) is connected; the light controller (71) is subjected to a strong/weak light to generate a corresponding off/on signal to simultaneously control the metal halide lamp (4) and each LED lamp bead (3) Off/on;

Further, it also includes:

a time controller (72) coupled between the light controller (71) and the first electronic ballast (74) or the light controller (71) and the second electronic ballast (73) The time controller (72) is affected by a preset time parameter to generate a corresponding control signal to turn on or off each LED lamp bead (3) or metal halide lamp (4) at an agreed time. powered by.
The energy-saving composite lighting fixture according to claim 1, wherein the plurality of LED lamp beads (3) are respectively connected in series into a plurality of LED light strings (D1); and the first electronic ballast (74) The outputs are connected to respective LED strings (D1).
The energy-saving composite lighting fixture according to claim 1 or 2, characterized in that the plurality of LED lamp beads (3) are evenly distributed on both sides of the metal halide lamp (4).
The energy-saving composite lighting fixture according to claim 1, characterized in that the plurality of LED lamp beads (3) are evenly surrounded around the periphery of the central opening of the lamp panel (21).
The energy-saving composite lighting fixture according to claim 1, characterized in that the plurality of LED lamp beads (3) are distributed in a plurality of loops and surround the periphery of the periphery of the through-hole (21) of the central portion of the lamp panel.
The energy-saving composite lighting fixture according to claim 5, wherein in the multi-ring LED lamp bead (3), the distribution density of the LED lamp bead relative to the inner ring is smaller than the distribution density of the LED lamp bead relative to the outer ring.
The energy-saving composite lighting fixture according to claim 1, wherein the lamp housing (1) comprises a front housing (11) and a rear cover (12); and a front end surface of the front housing (11) is provided a transparent glass (111); a rear end of the front shell (11) is pivotally connected to the rear cover (12); the reflector (5) is snapped to the front end of the back cover (12); the front shell The rear portion of (11) is also integrally provided with a plurality of fins (112).
The energy-saving composite lighting fixture according to claim 1, characterized in that: the lamp housing (1) comprises a front cover (11) and a rear case (12); and a transparent glass is arranged in a middle portion of the front cover (11) (111); the front end of the rear case (12) is pivotally connected to the front cover (11); and the rear portion of the rear case (12) is further integrally provided with a plurality of fins (121).
The energy-saving composite lighting fixture according to claim 1 or 2, characterized in that the rear hole of the through hole (21) of the lamp plate (2) is further provided with a lamp holder (8) facing the through hole. The metal halide lamp (4) is inserted into the lamp holder (8), and the lamp holder (8) is connected to the output of the second electronic ballast (73).
The energy-saving composite lighting fixture according to claim 1, characterized in that the front surface of the reflector (5) and the light panel (2) is made of aluminum as a substrate, and after being treated by oxidation and oxidation, on the surface thereof. A layer of inorganic hard film <10 μm thick was applied.
An energy-saving composite lighting fixture, comprising: a metal halide lamp (4), a plurality of LED lamp beads (3) and a front end controller, wherein an input of the front controller is connected to a power source, and an output of the front controller Connected to the metal halide lamp (4) and the plurality of LED lamp beads (3) respectively, the front controller can output a control signal to the metal halide lamp (4) and the plurality of LED lamp beads (3) when the natural light changes. The metal halide lamp 4 and the plurality of LED lamp beads (3) are simultaneously illuminated to form a combination of two lights to utilize the light of the metal halide lamp 4 to compensate for the deficiencies caused by the individual LEDs (3) being individually illuminated, or It is a case that one of the metal halide lamp 4 and the plurality of LED lamp beads (3) is turned off to form a single light for a predetermined period of time to reduce the power of the lighting fixture to a preset range.