CN202165870U - Electrodeless lamp - Google Patents

Abstract

The utility model discloses an electrodeless lamp, which comprises a lamp socket, a lamp shell, a lamp tube, a reflector and a lamp tube fixing device. Clamping terminals are arranged on the reflector, and the lamp tube fixing device for fixing the lamp tube is fixed at the central position of the reflector and clamped between the clamping terminals for limiting radial freedom degree of the installation position of the lamp tube. Therefore, even large vibration occurs during long-term transportation of the electrodeless lamp, loosing and dropping of nuts caused by overlarge turning moment can be avoided, thereby enabling the structure to be firm and being convenient to transport and free of damage to products. The lamp tube fixing device is arranged between the two clamping terminals and fixed at the central position of the reflector, thereby on one hand causing no damage to the reflecting surface of the reflector and improving the light emitting rate of the electrodeless lamp, on the other hand being very convenient to install, simple in structure, small in assembling difficulty and low in manufacturing cost.

Description

Electrodeless lamp

Technical field

The utility model relates to a kind of lighting device, relates in particular to the firm electrodeless lamp of a kind of mounting structure.

Background technology

Used electrodeless lamp is generally HF lamp without electrodes (High Frequency Electronic Discharge Lamp) now; HF lamp without electrodes is to integrate the novel light source of high-tech that up-to-date electronics is power technology and electric light source technology; It is without filament; Adopt magnetic field to come energizing gas discharge, luminous, have plurality of advantages such as energy-efficient, environmental protection, long-life.

The principle of HF lamp without electrodes is: it mainly is made up of excitation power supply, power coupler and fluorescent tube (also being bulb) three parts; Driving source produces the above electricity of 2Mhz electric current frequently, and it delivers to power coupler through feeder line, when high frequency electric passes through power coupler; Produce an electromagnetic field of high frequency; The magnetic field that changes promptly produces an electric field perpendicular to changes of magnetic field, the electronics in bulb internal discharge space is quickened, when energy reaches certain value by electric field; Bump with the gas molecule in the container, the gas avalanche ionization forms plasma in the bulb.Plasma receives and exciting when returning ground state, spontaneous ejaculation ultraviolet light, and it excites the phosphor powder on the bulb inner wall to send visible light.The advantage of HF lamp without electrodes is: no stroboscopic, can with the supporting use of conventional light fixture.

Electrodeless lamp commonly used now generally comprises lamp socket, lamp housing, fluorescent tube; Said lamp housing one end is fixed on the said lamp socket; And other end opening is provided with reflector so that said lamp housing has a host cavity in the lamp housing, and fluorescent tube is fixed on the reflector and is placed in the host cavity of lamp housing; And present stage mainly contains two kinds with the mode that fluorescent tube is fixed on the reflector, and a kind of is that the bottom of rotation magnet ring folder and the reflector in the lamp housing are developed, and directly is connected with screw and nut then both are fixed; Another kind is to be provided with center connection strap with holes in rotation magnet ring folder bottom, is connected through double-screw bolt and nut and connection strap is fixed in the center position of reflector.

But all there is weak point in above-mentioned two kinds of connected modes, and first kind of connected mode can be destroyed reflex reflector lens, and the light emission rate of reflector light fixture under same reflectivity situation of formulating is on the low side; Though second kind of connected mode can be through locking two nuts or play locking effect through adding spring washer, because of tube diameter is far longer than the diameter of screw thread, therefore; In the process of light fixture long-distance transport; If run into the relatively more severe situation of vibration,, very easily cause the loosening of nut because the arm of force that makes fluorescent tube move back the active force of pine is far longer than the arm of force at major diameter of thread place; Even drop, cause light fixture to be damaged.

Therefore, be necessary to provide a kind of improved fluorescent tube fixed form, have higher steadiness when making fluorescent tube be fixed on the reflector.

The utility model content

The purpose of the utility model is to provide a kind of improved fluorescent tube fixed form, thereby has higher steadiness when making fluorescent tube be fixed on the reflector.

For realizing above-mentioned purpose; The technical scheme of the utility model is: a kind of electrodeless lamp is provided; Comprise lamp socket, lamp housing, fluorescent tube, reflector and fluorescent-tube fixer, said lamp housing one end is fixed on the said lamp socket, and other end opening is so that said lamp housing has a host cavity; Said reflector is fixed on the said lamp socket and is placed in the said host cavity; Said fluorescent tube is fixed on the reflector through said fluorescent-tube fixer, and also is provided with corresponding screens terminal on the said reflector, and said fluorescent-tube fixer is fixed in the center of said reflector and is sticked between the said screens terminal.

Preferably; Has the square opening that punching press forms on the said reflector; Two opposed side edges places of said square opening have the said screens terminal that is bent to form to same direction, form the engaging district between the two said screens terminals, and said fluorescent-tube fixer is sticked in the said engaging district.

Preferably; Said fluorescent-tube fixer comprises connection strap, and the two ends of said connection strap are provided with retainer ring, and said fluorescent tube is fixed in the said retainer ring; The center of said reflector is fixed at the middle part of said connection strap, and said connection strap is sticked in the said engaging district.

Preferably, the position corresponding to said square opening on the said connection strap also offers through hole, can be used for wearing lead.

Preferably, said electrodeless lamp also comprises a sheet glass, and said sheet glass is covered on the opening part of said lamp housing.

Preferably, the opening part of said lamp housing also is provided with a guard circle, and said guard circle has the shape identical with the opening of said lamp housing, and said guard circle is installed on the opening part of said lamp housing.

Compared with prior art; Because the electrodeless lamp of the utility model comprises lamp socket, lamp housing, fluorescent tube, reflector and fluorescent-tube fixer, and reflector is provided with the screens terminal, and the fluorescent-tube fixer that is fixed with fluorescent tube is fixed in the center of reflector and is fastened between the said screens terminal; Thereby the restriction fluorescent tube is radially the free degree in the installation site; Therefore, even light fixture runs into bigger vibration in the process of long-distance transport, also can avoid because of the excessive nut that causes of the reverse rotation moment phenomenon that pitches; Make fitting structure more firm, conveniently transport and be difficult for causing the damage of product self; And fluorescent-tube fixer is positioned between the two screens terminals, and is fixed in the center of reflector, can not destroy the reflecting surface of reflector on the one hand, can improve the light emission rate of light fixture, install on the other hand easily through nut; And simple in structure, difficulty of processing is little, production cost is low.

Description of drawings

Fig. 1 is the structural representation of the electrodeless lamp of the utility model.

Fig. 2 is the internal structure sketch map of the electrodeless lamp of the utility model.

Fig. 3 is the three-dimensional exploded view of the electrodeless lamp of the utility model.

Fig. 4 is the enlarged diagram of the reflector of the electrodeless lamp of the utility model.

Fig. 5 is the enlarged diagram of the fluorescent-tube fixer of the electrodeless lamp of the utility model.

The specific embodiment

With reference now to accompanying drawing, describe the embodiment of the utility model, the similar elements label is represented similar elements in the accompanying drawing.As stated, the utility model provides a kind of electrodeless lamp, and this electrodeless lamp can effectively be avoided the loosening of fluorescent tube in the long-distance transport process, has guaranteed the fastness of fitting structure, convenient long-distance transport, and be difficult for causing the damage of product self.

Like Fig. 1, shown in Figure 2; The electrodeless lamp 1 of the utility model comprises lamp socket 10, lamp housing 20, reflector 30, fluorescent-tube fixer 40, fluorescent tube 50 and sheet glass 60; Said lamp socket 10 pushes up, embeds, lifts form fix such as (adopting straight tube or chain) and suction wall on wall or other bracing frame with suction, fix whole electrodeless lamp 1 to carry.

Like Fig. 2, shown in Figure 3; The inside of said lamp housing 20 is hollow structure, and the hollow structure of said lamp housing 20 forms a host cavity 210, and an end of lamp housing 20 is fixed on the said lamp socket 10; The other end of lamp housing 20 has opening 220; Said reflector 30 is fixed on the said lamp socket 10 and is placed in the host cavity 210 of said lamp housing 20, and said fluorescent tube 50 is fixed on the reflector 30 through said fluorescent-tube fixer 40, scribbles phosphor powder on the inwall of said fluorescent tube 50; When said electrodeless lamp 1 is worked; Phosphor powder on said fluorescent tube 50 inwalls is excited and luminous lighting, and reflector 30 is used for the light that said fluorescent tube 50 sends is reflected, so that said electrodeless lamp 1 has better illuminating effect; Opening 220 places at lamp housing 20 also are covered with a sheet glass 60, and said lamp housing 20 is installed in fluorescent tube 50, fluorescent-tube fixer 40 and other device in the said host cavity 210 in order to protection, continue operate as normal to guarantee said electrodeless lamp 1.

Of Fig. 3; In a preferred embodiment of the invention, opening 220 places of lamp housing 20 also are provided with a guard circle 70, and said guard circle 70 has the shape identical with the opening of said lamp housing 20 220; And said guard circle 70 is installed on opening 220 places of said lamp housing 20; When making other devices collide said electrodeless lamp 1 when meeting accident, guard circle 70 can cushion the damage of extraneous device to said lamp housing 20 effectively, thereby protects said lamp housing 20 to avoid damaging or reducing the influence of damage effect; Therefore said electrodeless lamp 1 is played protective effect, prolonged the service life of said electrodeless lamp 1.

As shown in Figure 4, said reflector 30 rounded structures are during installation; Reflector 30 is placed in the host cavity 210 of lamp housing 20 and through fixture and is fixed on the lamp socket 10, and the center position in the bottom of reflector 30 offers installing hole 310, and punching press forms two square openings 320 on the diametric(al) of reflector 30; And two square openings 320 punching press respectively are formed at the both sides of installing hole 310, have screens terminal 330a, the 330b that upwards is bent to form at two opposed side edges places of square opening 320, form the engaging district between two relative screens terminal 330a, the 330b; Fluorescent-tube fixer 10 matches through nut and double-screw bolt in the installing hole 310 that is fixed in reflector 30; And fluorescent-tube fixer 40 is sticked in the said engaging district, in the present embodiment, and on 30 diametric(al)s of reflector; And the bilateral symmetry ground punching press at installing hole 310 forms said square opening 320; And be formed with corresponding screens terminal 330a, 330b at square opening 320 places, so that being fixed in 30 last times of reflector, fluorescent-tube fixer 40 has better steadiness, certainly; Square opening 320 is only one of punching press also; Also punching press is more a plurality of as required, and forms said screens terminal 330a, 330b, the technology that this is well known to those skilled in the art in each square opening 320 places correspondence.

As shown in Figure 5; Said fluorescent-tube fixer 40 comprises connection strap 410; The two ends of said connection strap 410 are provided with retainer ring 420, and said fluorescent tube 50 is fixed in the said retainer ring 420, certainly; Retainer ring 420 is not limited to the structural design in the present embodiment, also can be set to other corresponding structure according to the concrete shape of fluorescent tube 50; Offer connecting hole 430 at the middle part of connection strap 410; Connecting hole 430 on the connection strap 410 is corresponding to the installing hole on the reflector 30 310; Connection strap 410 is installed on 30 last times of reflector, connection strap 410 correspondences is fastened between two screens terminal 330a, the 330b, and makes the connecting hole 430 on the connection strap 410 corresponding with the installing hole 310 on the reflector 30; One double-screw bolt 450 is arranged in connecting hole 430 and the installing hole 310; Thereby and be connected with nut 460 both fixed, on double-screw bolt 450, also be equipped with packing ring 470, with anti-loosening; Position corresponding to the square opening 320 of said reflector 30 on the connection strap 410 also offers through hole 440, and through hole 440 can be used for wearing lead.

Because the electrodeless lamp 1 of the utility model comprises lamp socket 10, lamp housing 20, reflector 30, fluorescent-tube fixer 40, fluorescent tube 50 and sheet glass 60; And reflector 30 is provided with relative screens terminal 330a, 330b; Form the engaging district between two screens terminal 330a, the 330b; The fluorescent-tube fixer 40 that is fixed with fluorescent tube 50 is fixed in the center of reflector 3 and is sticked in the said engaging district, thus restriction fluorescent tube 50 in the installation site radially the free degree, therefore; Even electrodeless lamp 1 runs into bigger vibration in the process of long-distance transport; Also can avoid making the structure of electrodeless lamp 1 more firm, conveniently transport and be difficult for causing the damage of product self because of the excessive nut that causes of the reverse rotation moment phenomenon that pitches; And fluorescent-tube fixer 40 is positioned between two screens terminal 330a, the 330b; And be fixed in the center of reflector 30 through double-screw bolt 450, nut 460; Can not destroy the reflecting surface of reflector 30 on the one hand, can improve the light emission rate of electrodeless lamp 1, install on the other hand easily; And simple in structure, difficulty of processing is little, production cost is low.

The concrete operation principle of the electrodeless lamp 1 of the utility model and the course of work are well known to those of ordinary skill in the art, no longer do detailed explanation at this.

The above disclosed preferred embodiment that is merely the utility model can not limit the interest field of the utility model certainly with this, so according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.

Claims (6)

1. electrodeless lamp; Comprise lamp socket, lamp housing, fluorescent tube, reflector and fluorescent-tube fixer; Said lamp housing one end is fixed on the said lamp socket; And other end opening is so that said lamp housing has a host cavity, and said reflector is fixed on the said lamp socket and is placed in the said host cavity, and said fluorescent tube is fixed on the reflector through said fluorescent-tube fixer; It is characterized in that: also be provided with corresponding screens terminal on the said reflector, said fluorescent-tube fixer is fixed in the center of said reflector and is sticked between the said screens terminal.

2. electrodeless lamp as claimed in claim 1; It is characterized in that: have the square opening that punching press forms on the said reflector; Two opposed side edges places of said square opening have the said screens terminal that is bent to form to same direction; Form the engaging district between the two said screens terminals, said fluorescent-tube fixer is sticked in the said engaging district.

3. electrodeless lamp as claimed in claim 2; It is characterized in that: said fluorescent-tube fixer comprises connection strap; The two ends of said connection strap are provided with retainer ring; Said fluorescent tube is fixed in the said retainer ring, and the center of said reflector is fixed at the middle part of said connection strap, and said connection strap is sticked in the said engaging district.

4. electrodeless lamp as claimed in claim 3 is characterized in that: the position corresponding to said square opening on the said connection strap also offers through hole.

5. electrodeless lamp as claimed in claim 1 is characterized in that: also comprise a sheet glass, said sheet glass is covered on the opening part of said lamp housing.

6. electrodeless lamp as claimed in claim 5 is characterized in that: the opening part of said lamp housing also is provided with a guard circle, and said guard circle has the shape identical with the opening of said lamp housing, and said guard circle is installed on the opening part of said lamp housing.

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