CN104507012B - Optically controlled plasma loudspeaking stereophonic system - Google Patents

Abstract

The invention discloses an optically controlled plasma loudspeaking stereophonic system comprising a plasma loudspeaking module, a PLC, a first conductive wire, a second conductive wire and a discharge wire. A controllable laser lamp is controlled to rotate to any angles anytime by the PLC via the preset programs, and optically controlled switches corresponding to any positions on the discharge wire are conducted. Metal pins which are connected in a spacing way are arranged in a fireproof pipeline so that the metal pins and the pipe wall of the fireproof pipeline are enabled to be fixed in an insulating way. The positions, which are corresponding to all the metal pins, of the pipe wall of the fireproof pipeline are fully provided with through holes. The positions corresponding to the gaps among all the metal pins have no through holes. The fireproof pipeline adopts a transparent pipe. The optically controlled switches are arranged in the pipe and wrapped and protected by transparent fireproof material. The optically controlled plasma loudspeaking stereophonic system is great in safety.

Description

A kind of light-operated plasma is raised one's voice stereophonic sound system

Technical field

The present invention relates to electronic audio system regions, especially, relate to plasma loudspeaker field.

Background technology

Plasma loudspeaker is the one of speaker, but it is different from ventional loudspeakers completely, ventional loudspeakers is all to drive air sounding by the vibrations of vibrating diaphragm, owing to every kind of vibrating diaphragm has oneself this composition the most inevitably making the sound amplitude-frequency characteristic variation audio signal medium frequency that sends close with vibrating diaphragm resonant frequency of resonant frequency the strongest, and those frequencies are away from composition general's decay of resonant frequency, decay more far away the most severe is also finally attenuated completely, it is seen that the sounding performance wanting to improve ventional loudspeakers must solve the resonance problems of speaker.Ionophone is precisely in order to overcome this disadvantage of ventional loudspeakers and design, and it does not has vibrating diaphragm, by directly driving the air vibration sounding of ionizing, so performance is optimal during ionophone is speaker in theory.

The ultimate principle of plasma loudspeaker is that the primary coil by being connected with oscillating circuit promotes secondary coil, the two ends making secondary coil produce high-frequency and high-voltage, after secondary coil two ends are connected pointed electrode respectively, just air is punctured in point discharge mode between electrode, electric arc, that is plasma is produced, after adding audio-frequency module in the oscillating circuit of primary coil between air, promotion plasma is regularly vibrated by audio frequency, thus produces acoustics.The circuit structure of plasma loudspeaker is relatively simple, and current major part is electronics fan's designed, designed, as it is shown in figure 1, be a plasma loudspeaker circuit, due to this part the place of non-invention, so Fig. 1 is not repeated by place.

But, come out for a long time although plasma loudspeaker is own, but owing to the technique of current ventional loudspeakers is own the most ripe, at short notice, the effect of single plasma loudspeaker is compared with audio amplifier, substantially it is in a disadvantageous position, and, it is contemplated that the security hidden trouble of plasma loudspeaker, its commercialization paces are the slowest, at present, plasma loudspeaker is only merely prevailing in the DIY field of electronics fan, not for its display platform cut a conspicuous figure.

On the other hand, field is made in Music Appreciation, atmosphere, people are all the time in the surround sound effect aspired after perfection, it is ubiquitous that the most perfect situation is desirable to music naturally, can transmit from the optional position in space, and it is possible to indiscriminately ad. as one wishes control the position of sound source, or can create real, allow music neglect the nearest, the most confusing flowing audio.But, for this preferable audio, by current technology, can only rest in the world of the imagination, even if most advanced, expensive sound-box device, audio effect processing technology, also can only pass through electronic simulation, produce some simple sound illusion, not realize aforesaid arbitrary bulk flow audio at all.

nullIn view of aforesaid reason，Applicant has applied for entitled " All-round controllable flow surround-sound system " on 01 12nd, 2013，The patent of invention of Application No. 2013100106529，It provides a kind of surround-sound system by plasma loudspeaker framework，Arbitrary flowing audio can be produced，But，In the disclosure in this patent，Owing to have employed substantial amounts of electrical switch，And in a specific embodiment，Only point out to realize the control to each electrical switch by control line，Therefore，When practical layout，Need the substantial amounts of control line of extra layout，Not only make construction trouble，And also easily cause the signal disturbing between each control line，Therefore，Although applicant has caught out by the flowing stereophonic sound system of plasma loudspeaker framework，But the control problem for this stereophonic sound system，Do not provide superior technical scheme.

Summary of the invention

For the problems referred to above, it is an object of the invention to provide a kind of light-operated plasma loudspeaker, this system can create arbitrary flowing surround sound effect, and easily controllable, and further enhancing the effect that atmosphere renders.

The technical solution adopted for the present invention to solve the technical problems is: a kind of light-operated plasma is raised one's voice stereophonic sound system, raises one's voice module, PLC, the first wire, the second wire, discharge lines including plasma；Described first wire, the second wire, discharge lines are layed in space parallel to be needed to produce in place of music, and raise one's voice with the described plasma respectively outfan of secondary coil of module of described first wire, the second wire is electrically connected with；Described discharge lines is formed by the series of metal pin cluster each other with airspace；Each adjacent described metal needle is electrically connected at different in described first wire, the second wire one；Each described metal needle is all electrically connected with by a light-operated switch and the first wire or the second wire；Described light-operated switch turns on when accepting strong illumination；It is characterized in that: described PLC controls an illuminator, described illuminator is a controlled laser lamp, and during this controlled laser lamp rotating 360 degrees, the laser light that lamp holder is sent exposes to each position of discharge lines；Described PLC is by preset program so that at any time, controls described controlled laser lamp and rotates to arbitrarily angled, makes the light-operated switch conducting corresponding to optional position in discharge lines；The metal needle that interval is joined together is arranged in fire prevention pipeline, makes metal needle fixing with the tube wall insulation of fire prevention pipeline；The tube wall of described fire prevention pipeline is full of through hole on the position corresponding to each metal needle, and through hole is not offered in the position corresponding to space between each metal needle.

Fire prevention pipeline is according to metal tube, and described light-operated switch exposes outside pipe.

As preferably, described controlled laser lamp has more than one lamp holder, and each lamp holder circumference is uniform, so that this controlled laser lamp can illuminate the multiple positions in discharge lines simultaneously, makes many places sounding in discharge lines；Thus, when laser lamp directive where in hall, the light-operated switch at this is connected, and just makes discharge lines position corresponding at this produce music, and when laser lamp rotates, source of sound is also in company with flowing, great stage effect.

As preferably, described illuminator can also be a LED lamp bar, arranging parallel with described discharge lines, the illumination mode of described LED lamp bar is controlled by described PLC, owing to controllable LED lamp bar is the most universal, therefore, low cost, controllability is high, is programmed by resistance to PLC, arbitrfary point or the luminescence of line segment in any time LED lamp bar be can realize, thus arbitrfary point in discharge lines or the position sounding corresponding to line segment realized.

As preferably, described light-operated switch is light sensitive diode.

The beneficial effects of the present invention is: after plasma raises one's voice module startup, the high pressure at secondary coil two ends is by by described first, second wire, it is transferred to each adjacent metallic object in discharge lines, by PLC according to programme-control illuminator action, indirectly make in discharge lines the break-make of light-operated switch between each metallic object and the first or second wire, the discharge position in discharge lines can be optionally controlled according to program, so, on the route that discharge lines is laid, can indiscriminately ad. as one wishes control sound source position, music is made to produce the effect that various flowings are moved swiftly, produce real omnibearing stereo sound effective value；Owing to using light-operated switch as the electrical switch connected between discharge lines and first, second wire, therefore so that the control system of whole stereophonic sound system is significantly simplified, and greatly reduces cost, it is beneficial to promote and construction.

Accompanying drawing explanation

Fig. 1 is the circuit structure diagram of a kind of plasma loudspeaker.

Fig. 2 is the principle schematic of the present invention.

Fig. 3 is an embodiment schematic diagram of discharge lines in the present invention.

Detailed description of the invention

The present invention is further described with embodiment below in conjunction with the accompanying drawings:

As schematically shown in Figure 2, this system includes that plasma is raised one's voice module 1, PLC2, first wire the 3, second wire 4, discharge lines to the principle of the present invention, and in fig. 2, discharge lines is joined together by a succession of metal needle 5 arranged at equal intervals and formed；Described first wire the 3, second wire 4, discharge lines spreading out is layed in space in place of needing to produce music, e.g., and can be around top, hall one week；Raise one's voice with described plasma respectively outfan of secondary coil of module 1 of described first wire the 3, second wire 4 is electrically connected with；Each adjacent metal needle 5 is electrically connected at different in described first wire the 3, second wire 4 one, and each described metal needle 5 is all electrically connected with by a light-operated switch 6 and the first wire or the second wire；Described PLC2 controls a controlled laser lamp 8, and during this controlled laser lamp 8 rotating 360 degrees, the laser light that lamp holder is sent can expose to each position of discharge lines, makes the light-operated switch 6 corresponding to each position of discharge lines be turned on by strong illumination.

In fig. 2, PLC2 controls controlled laser lamp 8, laser light is made to be irradiated in discharge lines corresponding position along dotted line, the then conducting of light-operated switch 6 between two of corresponding position adjacent metal needle 5 and the first or second wires in discharge lines, the raise one's voice high pressure at secondary coil two ends of module 1 of plasma will be transmitted to described first, second wire 3, on 4, and be applied between these two metal needles 5, make to produce between these two metal needles high pressure, thus there is point discharge effect, puncture air, form electric arc 7, owing to discharge current containing audio frequency, electric arc 7 just constitutes source of sound, produce music.

Convenience due to PLC2 programming, therefore, can be as required, by preset program, make at any time, control controlled laser lamp 8 and rotate to the most arbitrarily angled, make in discharge lines the light-operated switch 6 corresponding to optional position turn on. so that music sound source is arbitrarily waved on the path that discharge lines is laid, make music produce the effect that various flowings are moved swiftly, produce real omnibearing stereo sound effective value.

In a particular embodiment, for described discharge lines, can arrange as shown in Figure 3, the metal needle 5 that interval is joined together is arranged in fire prevention pipeline 50, make metal needle 5 fixing with the tube wall insulation of fire prevention pipeline 50；The tube wall of described fire prevention pipeline 50 is full of through hole 500 on the position corresponding to each metal needle 5, through hole is not offered in the position corresponding to space between each metal needle 5, thus, both ensure that music freely discharging to external world in pipe, electric spark it is possible to prevent again to leap up out outside pipe, now, if fire prevention pipeline 50 uses metal tube, then described light-operated switch 6 should be made to expose outside pipe；If fire prevention pipeline 50 uses transparent tube, then light-operated switch 6 can be made to be placed in pipe, and by the parcel protection of transparent fireproof material.

After the plasma in the present invention raises one's voice module 1 startup, the high pressure at secondary coil two ends is by by described first, second wire 3, 4, it is transferred to each adjacent metal needle in discharge lines, by PLC according to programme-control controlled laser lamp 8 action, indirectly make in discharge lines the break-make of light-operated switch 6 between each metal needle 5 and the first or second wire, the discharge position in discharge lines can be optionally controlled according to program, so, on the route that discharge lines is laid, can indiscriminately ad. as one wishes control sound source position, music is made to produce the effect that various flowings are moved swiftly, produce real omnibearing stereo sound effective value；Owing to employing light-operated switch 6 is as the electrical switch connected between discharge lines and first, second wire, therefore. the control system of whole stereophonic sound system is significantly simplified, greatly reduces cost, be beneficial to promote and construction.

The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (1)

1. light-operated plasma is raised one's voice a stereophonic sound system, including plasma raise one's voice module, PLC, the first wire, the second wire, put Electric wire；Described first wire, the second wire, discharge lines are layed in space in place of needing to produce music parallel, and described first Raise one's voice with described plasma respectively outfan of secondary coil of module of wire, the second wire is electrically connected with；Described discharge lines Joined together by the series of metal pin each other with airspace and form；Each adjacent described metal needle is electrically connected at described Different in one wire, the second wire one；Each described metal needle is all by a light-operated switch and the first wire or the second wire It is electrically connected with；Described light-operated switch turns on when accepting strong illumination；It is characterized in that: described PLC controls an illumination system System, described illuminator is a controlled laser lamp, and during this controlled laser lamp rotating 360 degrees, lamp holder is sent Laser light exposes to each position of discharge lines；Described PLC is by preset program so that at any time, controls described Controlled laser lamp rotates to arbitrarily angled, makes the light-operated switch conducting corresponding to optional position in discharge lines；The gold that interval is joined together Belong to pin to be arranged in fire prevention pipeline, make metal needle fixing with the tube wall insulation of fire prevention pipeline；The tube wall of described fire prevention pipeline is at each gold Belonging to and be full of through hole on the position corresponding to pin, through hole is not offered in the position corresponding to space between each metal needle；Fire prevention pipeline Using transparent tube, light-operated switch is placed in pipe, and by the parcel protection of transparent fireproof material；After plasma raises one's voice module startup, The high pressure at secondary coil two ends, by by the first described wire and the second wire, is transferred to each adjacent metallic object in discharge lines, By PLC according to programme-control controlled laser lamp action, indirectly make in discharge lines between each metallic object and the first or second wire The break-make of light-operated switch, control sound source position, make music produce.