Irradiation apparatus

FIELD: agricultural engineering.

SUBSTANCE: irradiation apparatus has start regulating device with contact mains wires, gas discharge lamp chuck, and reflector attachment device. Apparatus is further equipped with two photo-resistors connected to inductance coil and located on reflector internal surface. Inductance coil with winding and core is positioned centrally on casing. Isolating insert is located between casing and core. Receptacle surface of photo-resistors is turned to internal surface of reflector and is made in the form of wavy strip extending through the entire length of reflector at its both sides, symmetrically to edge of emitter. Casing is connected to attachment device through vibration isolators.

EFFECT: increased efficiency in protecting of lightening equipment from settling of dust thereon and reduced consumption of power.

2 dwg

 

The invention relates to lighting technology, in particular to the lamp, protected against aerosol particles for irradiation of farm animals.

Agricultural areas are areas with severe environmental conditions due to high concentrations of dust, lint, moisture, chemically active gases. Such environment is the cause of rapid deterioration of materials and failure of electrical parts used in irradiators. Particles of dust and moisture from settling on the surface of the emitters, polymerizers and burn them due to the impact of temperature from the radiation source, which impairs the stability of the artificial optical radiation. When servicing installations require significant costs for periodic cleaning of the lamps, replacement and repair of irradiators. In addition, constant monitoring of the quality of the exposure due to the deterioration over time of the characteristics of optical elements irradiators. During operation as a result of multiple contaminants and cleansing is an irreversible reduction of the efficiency of a lighting device due to aging reflective materials, which is the smaller, the harder the material.

Currently used cleaning irradiation devices - dry RUB reflectors, wash with warm soapy water or special cleaning solution. The COI the box is used Shoe electric, mechanical, ultrasonic, thermal methods. Many of these methods are associated with a contact cleaning parts with reflective surfaces, which reduces the reflective properties of the irradiator and the lowering of the coefficient of the recovery efficiency of the irradiation device.

Known industrial outdoor lamp with incandescent lamps or discharge lamps high pressure, designed to work in harsh environmental conditions (A.S. No. 356426, IPC F 21 V 29/00, 1972 - equivalent).

A disadvantage of the known lamp is the design complexity, as they require an additional device to create air pressure.

A device for lighting and exposure of farm animals (A.S. USSR №1280261, IPC F 21 V 31/00, 1986 - prototype)containing the sources of optical radiation, lighting fittings, and means for protection from aerosol particles in the form of electrodes and a high voltage source.

A disadvantage of the known device is the complexity of the design of the irradiation device and inefficient energy consumption, because for its implementation it is necessary to have additional electrodes, a high voltage source with reliable grounding of one pole, and the high voltage source must operate continuously.

The aim of the invention is to increase the efficiency of C the shields lighting fixture from dust precipitation for the entire period of operation and reduced energy consumption by the irradiator.

The technical result is achieved in that the irradiation device comprises pascarelli the device with the wires of the contact network, the patron of the discharge lamp, the reflector mounting with vibration isolators. In the center is fixed inductor windings and the core. Between the shell and the core is placed an insulating insert. On the inner surface of the reflector with two guard added two photoresistor in the form of wavy stripes with the relay and turn the resistance of the connecting wires. The reception surface of the photoresistor rotated to the inner surface of the reflector and located along the length of the reflector symmetrically along the edge of the irradiator, though the body is connected to the mounting device through the vibration isolators.

Figure 1 shows the irradiation device, figure 2 - section a-A.

The irradiation device comprises pascarelli apparatus 1 (Fig 1, 2) contact with the wires of the network 2, the cartridge 3 discharge lamp 4, the fastening device 5 of the housing 6 with the reflector 7 and the vibration isolators 8. In the center of the housing 6 outside fixed inductor 9 with the windings 10 and core 11. Between the housing 6 and the core 11 is placed an insulating insert 12. On the inner surface of the reflector 7 with two sides placed DV is the photoresistor 13 with a photocell (not shown) and the trimmer resistance 14 with the connecting wires 15. When the photoconductive 13 made in the form of wavy strips placed along the length of the reflector symmetrically along the edge of the irradiator and turned the receiving surface to the reflector 7.

The irradiation device operates as follows. When voltage is applied to the wires of the contact network 2 in pastoralism apparatus 1 is formed by a pulse of high voltage for ignition of the discharge lamp 4, which is attached to the ballast housing of the apparatus 1 by means of a holder 3. When the resistance of the photoresistor 13 configured using the setting potentiometer 14 so that when the nominal radiant flux emitted from the discharge lamp 4 in the circuit to the coil with windings 9 and 10, the amount of current sufficient to core 11 was not involved in the coil and was in the top position. At lower radiant flux due to contamination of the surface of the reflector 7 in the photoconductive 13 decreases the photocurrent trigger photocell (not shown). Thus the connecting wires 15 to the coil 9 with the windings 10 and core 11 is energized. While passing through the coils 10 coils 9 of the electric current core 11 moves in and hits an insulating insert 12, which is located on the housing 6. The latter receives mechanical the cue pulse resulting aerosol particles deposited on the surface of the reflector 7, shaken off down. As a result, the reflector 7 is cleaned from dust, the reflected flux from the lamp 4 increases and the photoresistor 13 with the photosensitive device is no longer triggered. When this discharge lamp 4 does not fall under the influence of the mechanical momentum as fixed independently on pastoralism apparatus 1, and the presence of vibration-damping inserts 8 allows you to balance the mechanical impulse acting on the mount 5 of the housing 6. Furthermore, the presence of the insulating insert 12 that is located between the housing 6 and the inductor 9, eliminates noise and mechanical damage to the casing 6 when the retraction of the core 11, and the position of the spool 9 in the center of the body enables you to evenly distribute the impact of mechanical impulse on the entire surface of the reflector. As the inevitable reduction of the optical properties of the reflector during operation in order to avoid constant of coil inductance 9 core 11 configured using the trimmer resistance 14 the current operation of the photoconductive 13, made in the form of wavy stripes, with photocell. The proposed lighting device can significantly reduce the energy consumption, since the cleaning device of the reflector 7 from aerosol particles containing FD is resistor 13 with the relay and connecting wires 15 with the tweaked resistance 14, the inductor 9 with the windings 10 and core 11 will not operate continuously, but only as the dust of the reflector 7.

The use of the proposed device provides in comparison with existing devices the following benefits:

1. The design of the photoresistor in the form of a wavy strip will allow you to control the degree of contamination of the lamp along the length of the lamp.

2. The position inside the receiving surface to the reflector will allow for the reflected component of effective radiation flux and to avoid contact cleaning methods.

3. The independent position of the housing with a reflector, mounted on vibration isolators, eliminates the effect of the mechanical pulse to the lamp.

4. The position of the coils on the body of the reflector in the center allows you to evenly distribute the mechanical momentum and keep reflective properties of the irradiator for the entire period of its operation and to avoid burning aerosol particles to the reflector.

The irradiation device has a simple construction, reliable in operation and can be easily implemented in agriculture.

The irradiation device containing pascarelli the device with the wires of the contact network, the patron of the discharge lamp, the device mounting reflector, distinguish what Eesa fact, what it additionally has two photoresistor connected to the inductor, which is installed on the inner surface of the reflector, and in the center of the body is equipped with the coil winding and the core, between the casing and the core set, the insulating insert and the reception surface of the photoconductive rotated to the inner surface of the reflector and made in the form of wavy stripes along the length of the reflector symmetrically along the edge of the irradiator, the housing connected to the mounting device through the vibration isolators.



 

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