Kakvi sa lamp for MGL lamps and a diagram for them for connection
For quite a long time, metal halide lamps (MGL) have been widely used in various lighting technologies. They are compact, economical, and their power can reach up to 20 kW. At some point in time, lighting fixtures with MGL have excellent color rendering and dory can shine in a variety of colors. How does this lamp work and what are its main features? Rather dissuade me from theses and ask for it, and at some point in time, it seems like you yourself can destroy a metal halide device.
Containment: 1. Lampata design MGL 2. Principle for action 3. Species and characteristics 4. Girth per application 5. Advantages and disadvantages 6. Scheme on the wire
Lampata design MGL
A metal halide lamp belongs to a gas discharge device. Work on the principle of ionization on the bet bait in a mixture with halogenide - combination on halogenite with other chemical elements.
Structurally, the metal halide lighting device is a flask made from refractory quartz or ceramic glass with an electrode soldered. Kolbat separating with inert gas, to which koito se will add metalen zhivak and metalni halogenide. It is precisely those that expand and trim the radiation spectrum of the device, and if so, you allow and exchange the color temperature and colors in the dark for a lamp.
Tazi flask, sometimes playing rolls on the burner, putting it in a friend, vnshna, full with inert gas or evakuirana. The task of preventing the burner from mechanical and fuel influences and absorbing ultraviolet radiation, which is present in the radiation spectrum of the living organism and when interacting with air, forming ozone, is toxic for horata.Osvent tova vnshnata krushka namalyava toplinnit ruin it, which significantly increases the efficiency and operational life of the device.
Construction on a metal halide lamp
2 kW single mug industrial metal halide mug
For the connection of the electric grid, the device, when delivering it from the base or bases, follow the typical:
- E27, E40 (Edison base);
- RX7s (soffit version with twin hoods);
- G8.5, E12 (shift).
Devices with a power of 2 kW and more often have wires with screws and clamps instead of a base / plinth.
Metal halide illuminators with various types of base/base back kjm sdzharzhanieto ↑
Principle for action
In a cold state, along the wall on the burner, they will lay off the livelihoods of pari and halogenides, and the gas interval in the wind in it is high resistance. Therefore, after starting the lamp, after applying a voltage to the electrode, it is necessary to apply an impulse with a high voltage to the electrodes. For this, I used a device for impulse zapalvane - IZU.
Impulse igniter for metal halide lamps
Thanksgiving to him in the burner, having appeared a luminous discharge, some zagrya zhivak and halogenide. As a result, the last one is out of steam. Nalyaganeto in the kolbata is increasing, and the resistance is on the gasy distance is drawn. They light up the discharge gradually turning into a arc discharge, force the yoni to live and make visible light - lampata flame. The time for reaching the work mode on the device is usually 10-15 minutes.
At some point in time, halogenite is put into action - they are permanently soiled and radiated in a certain spectrum, leveling and additional radiation spectrum on a livestock.As a result, the source of metal halogenide can be very bright, not only with different colors and temperatures from warm red to cold blue, but also with different nuances: green, red, blue, etc. Everything depends on the composition and quantity of halogenide. This is the main characteristic of a metal halide lamp: its color rendering is exceptionally high and can reach 95.
The spectrum on the beam on a metal halide mug is much smoother and wider than the spectrum on all sides, a gas-discharge bright source.
For yes, it prevents it from turning into a burner in an uncontrolled fire, when it heats up, then it prevents the device by limiting the special ballast: electromagnet (throttle) or electronic. First, select the EMPRA (electromagnetic ballast), and second, select the electronic ballast (electronic ballast). Throttle yourself a lot more from electronic analyses, but the latter increase the efficiency and reliability of the lighting system and, most importantly, eliminate the trepteneto on the lampata from the doubled frequency on the light.
Electromagnets and electronic ballasts for metal halide jars back kjm sdzharzhanieto ↑
Species and characteristics
For squeezing in the light, it’s still not marked on a metal halide lamp, any manufacturer can mark the device at its own price. In spite of the goods, some of the eminent on the MGL sase have set up and in the middle of the day you can and intend your own way. In Russia, metal halogen lamps are usually denoted with the letter DRI (W), following from the idea of \u200b\u200bpower in wool, kadeto:
- D - dga;
- P - zhivak;
- I - iodide;
- W - spherical shape on the burner.
Lamp DRISH-450-djov zhyvachen iodide with a firebox with a burner with a power of 450 W
The work voltage may not be indicated on the crash.For devices with power up to 2000 W e 220 V, for devices with power 2000 W and over 380 V.
As far as foreign manufacturers are concerned, those imat nay are often crossed with the designation for a metal halide lamp - HMI (English metal halide lamp) or HM, based on power.
For stop the characteristics of the project, they accept the following designations:
- SE - one-time.
- DE - twins (soffit).
- BH - horizontal working position.
- BUD - vertical working position.
- U - any work position.
- T is a cylindrical flask.
- E - ellipsoidal flask.
- ET - ellipsoid tube flask.
- VT - a tube flask with a mold on a cap.
- R - reflex cap.
- P is a parabolic flask.
An Osvent metal halide lamp can be set to a neutral color temperature in Kelvin.
400 W metal chloride mug back kjm sdzharzhanieto ↑
Girth per application
Coverage for an application on a lamp with MGL is determined by rubbing it with the main differences from other light sources:
- Excellent color reproduction.
- High light power.
- Compactness
For the sake of burning properties, metal halide illuminators are widely used in film and photography, stage lighting, lighting and lighting on mass cultural events, including open areas.
High power from a small size can be directed to a metal halide light source in searchlights and illuminators from the type of flood to open objects: burned iron spots, flyers, stadiums. You can use Tosi-type lamps in architectural lighting and lighting systems in the industry and public buildings, as well as in far-out on various means: from cars to airplanes.On a daily basis, for pity, metal halide lamps are not rooted for the sake of a long heating and impossibility for a barzo restarter.
Try on metal halide illuminators
There is another area for metal halide lamp application. Selection of composition and quantity on halogenide, and possibly even a spectrum, is necessary for the abdomen on various plants. It is these lamps that are used successfully in the greenhouse and in aquarium lighting.
Used on metal chloride lamps for clarification on plants and clarification on the aquarium back kjm sdzharzhanieto ↑
Advantages and disadvantages
Nai is an important predominance for a metal halide lamp and it has a wide and uniform spectrum on the lamp. Svetlinat tomu almost completely corresponds to slantseto, and the color rendering to him reached 95%. This is exactly what is produced at the blooming without providing any artificial light source, including LED lamps.
Secondly, it is important to offer high energy efficiency. A metal halide lamp with a low power rating is capable of producing a light output of up to 70 lumens per watt of energy consumption. And this is far from kilowatt and more, the light power per device can reach 95 lm/W. unjustifiably curtly).
Let's add some predimstvata relatively low price (ten five times from LED, check the power supply) and the operational life, which, depending on the power, varies from 10,000 to 15,000 hours. For comparison, the average stomach on a sodium lamp is 10,000-20,000 hours, and the LED, which MTBF is considered fantastic, is 15,000-30,000 hours.
Metal halide light sources and follow the shortcomings:
- High operating temperature... Like every other source of light, there is a lot of metal halide. The temperature on the burner can reach 1200, and the internal burner (which is foreseen by the design) - 300 degrees Celsius. Tova, take it apart, find out the special measurements for the sigurnost.
- Long time to reach work mode... The next turn on the device takes 10-15 minutes, and then you get into the work mode - that flame. It’s like this, the trace is out of the way, the lamp is yama and the starter, don’t cool it down. There is a lack of rising factor due to the use of metal halide lamps on a daily basis, sometimes it is quite difficult to do it for 10-30 minutes, but the lamp is still light and bright.
- Containing toxic substances. The burner on a metal halide lamp is e full with a metal zhivak and cannot be taken and twisted into a kofat for a bokluk. MGL trebva yes all izkhvarlya on spetsialni places.
- The need for additional equipment. For a starter, a metal halide lamp, a necessary ballast and IZU, which is quite a size from a samata lamp and, sorting it out, make a lot of bets.
Scheme on the wire
Somehow, a Kazakh in a mountain, an impulse igniter is necessary for a starter on a metal halide lamp, and a ballast (ballast) is necessary for limiting the current. Parviyat all assiduously from the lampat, repeat consistently from it.
Including metal halide lamp chain with two- and three-terminal IZU
Usually such a scheme is applied directly to the ballast and IZU, therefore it is not difficult and easy to knock down a metal halide lamp with your own mother. For the goods, a screwdriver and an indicator for the voltage are sufficient, and for this, determine the nulate and phaseate in the medium.
The only thing is something, some trebva and this Ima foresaw, e, what lampata and ballast it heats up enough: parviyat up to 300, second up to 100-120 degrees. This is why, when designing on a lighting hood, it is necessary and all ventilation on the equipment is necessary (it is usually sufficient to open the ventilation itself), and the samiyat fener trebva should be placed far from ignited objects.
Characteristics for work
When using an electromagnetic ballast (throttle), for yes, they paint reactive ruins and donyakde yes, they increase efficiency, and it is desirable that the installation is equipped with a compensation capacitor directly on the illuminating body, it is drawn on the diagram from the dotted line. The operating voltage of the trebva is even a little bit 400 V (for 380 V lamps - 600 V), and the samiyat of that treabva is even a non-polar charter. Capacitance on the capacitor is chosen based on the power per lamp. For DRI-250, for example, 35 uF is enough, for DRI-400, you can increase the capacitance to 45 uF.
For high-quality and long-term work on the lighting rod, the power for the ballast and the response to the power for the lamp. IZU is not selected such that the power on the lamp is even in the range, it is at the top of the low.
And one more light. Install the DRI lamp itself from the manual or from a clean carp. The fact is, the four flask on the device is now heated up to 300 degrees, and the device is the same flask, togava up to 1200. “Forgive me”, which will leave the flask on top, it will burn out and form a layer of carbon, which is not good for toplinate. the result on the other side was obtained locally and the glass was just a mess. Somehow or some other evening “caught” the crumble, I’ll choose a napkin, moistened with alcohol.
The tasi lamp can be damaged for the sake of pugnatini, causing local heating on the dark glass.
This is why the metal halide lamps are different. Aco ste have read the article to the brim, now you know how to work, how to turn it on and how to distinguish it from other gas discharge lights from the source.
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