Xenon lamp
Technical field
The invention belongs to the light source part technical field, be specifically related to a kind of xenon lamp
Background technology
xenon lamp is in anti-ultraviolet quartzy quartz glass tube, to fill inertia chemical gas---xenon.Because the white superpower arclight that xenon produced can significantly improve the light color temperature value; Demonstrate sunshine as daytime; The brightness that is produced during again owing to xenon lamp work is more than three times of traditional Halogen lamp LED; And service life is longer more than ten times than traditional Halogen lamp LED, and therefore extremely people think highly of.
xenon lamp is used comparatively general on vehicle, and this is because it has the energy density and the intensity of illumination of standing out from one's fellows, and being highly advantageous to enlarges the visual range of vehicle front, builds safer running environment.But xenon lamp is not limited only in vehicle application, for example through high power light source the pixel file of digital micro-mirror device or liquid-crystal apparatus etc. is carried out illumination and penetrates and amplify projection, on screen, to throw map.
Xenon lamp in
prior art need be equipped with the interchange stabilizer when putting into actual use, promptly be equipped with alternating current ballast, thereby causes using trouble, inconvenient installation and lose economy.
CN101915394A (by the patent application of the applicant's proposition) is through setting up reflectance coating to the formed narrow neck that contracts between core pipe pipeline section and the discharge pipeline section; The negative electrode operating temperature is stable when realizing regular reflection when making lamp body work; And because of setting up of reflectance coating improved brightness ideally and ensured that light is deleted and do not reduce; And be fit to use price, but still be not enough to thoroughly abandon (breaking away from) ballast with respect to the remarkable cheap dc ballast of alternating current ballast.
Because the structure of the discharge tube of the xenon lamp in the prior art is lost reasonability, therefore there is refraction in
again when luminous when discharge, influence illumination effect.
In view of above-mentioned prior art, be necessary to improve, to this, the applicant has carried out useful design, and the technical scheme that will introduce below produces under this background
Summary of the invention
top priority of the present invention is to provide a kind of and need not to use ballast and use and embody easy for installation and relatively cheap xenon lamp.
another task of the present invention is to provide a kind of discharge tube segment structure rationally when luminous, can avoid the xenon lamp that reflects effectively.
task of the present invention is accomplished like this; A kind of xenon lamp; Comprise a lamp socket, the central authorities of this lamp socket be formed with one be projected on a side plane of lamp socket pin base configuration boss, the central authorities of this pin base configuration boss have a tube face chamber; One insulated pins seat, this insulated pins seat matches with pin base configuration boss at the position corresponding to the tube face chamber, and on this insulated pins seat, is fixed with one first conductive base pin and one second conductive base pin, and first, second conductive base pin corresponds to each other; One tube face, corresponding said tube face chamber of this tube face and match with the tube face chamber offers a core pore in the central authorities of the short transverse of tube face; One fluorescent tube that constitutes jointly by first, second core pipe and discharge tube, the first core pipe is placed in the said core pore, and discharge tube is formed between first, second core pipe; One cathode wire, a positive wire, a filament and a molybdenum thin slice; One end of positive wire is positioned on the said tube face; And behind said insulated pins seat, be connected with said first conductive base pin, the other end of positive wire is fixedly connected with an end of molybdenum thin slice, and the molybdenum thin slice is packaged in the said second core pipe; And the other end of this molybdenum thin slice is connected with an end of filament; Filament is positioned at the discharge cavity of said discharge tube, and the other end of filament is connected with an end of cathode wire, and the other end of cathode wire is connected with said second conductive base pin behind the said first core pipe and insulated pins seat.
another task of the present invention is accomplished like this, described discharge tube be shaped as sphere.
lamp socket of the present invention is towards a side of said tube face and constitute plurality of fixed at interval at the accent position around said tube face chamber and buckle pin; On described tube face and constitute quantity at interval around the circumferencial direction of tube face and equate with said clip pin and position corresponding button pin locating slot, the clip pin insert button pin locating slot interior and with detain the pin locating slot and fix.
Offer the couple of conductor hole on
insulated pins seat of the present invention; This is corresponding with the base portion of described first conductive base pin to one of them wire guide in the wire guide; And another wire guide is corresponding with the base portion of described second conductive base pin; Described positive wire one of them wire guide in the couple of conductor hole is electrically connected with the base portion of first conductive base pin, and described cathode wire is electrically connected through the base portion of another wire guide with second conductive base pin.
Be arranged with an insulating sleeve on
positive wire of the present invention, this insulating sleeve and said tube face are inserted solid.
The material of
tube face of the present invention is a pottery.
Therefore
technical scheme provided by the invention need not to resemble the outfit of prior art ballast in use because the connected mode of cathode and anode lead and filament has been done improvement, not only easy for installation but also can embody desirable economy; Owing to, therefore can avoid refraction effect with the shaped design globulate of discharge tube.
Description of drawings
Fig. 1 is a preferred embodiment structure chart of the present invention.
The specific embodiment
Fig. 1 is asked for an interview in
; Having provided one, to be substantially discoidal and preferably to use the metal material compression molding be the lamp socket 1 of drawing; With present location status shown in Figure 1 is example; The central authorities of this lamp socket 1 and towards on a side constitute one be projected on lamp socket 1 the pin base configuration boss 11 on plane (going up the plane), be formed with the tube face chamber 111 of perforation in the central authorities of this pin base configuration boss 11.And lamp socket 1 towards a side of tube face 3 promptly lamp socket 1 towards under a side and be extended with one group of clip pin 12 at accent position with equidistant intervals around aforesaid tube face chamber 111.In the present embodiment, the quantity of one group of clip pin 12 is 3, and each 60 ° of circumferencial direction with tube face chamber 111 in interval is a benchmark, but the quantity of clip pin 12 does not receive the restriction of related quantity in the present embodiment.
The insulated pins seat 2 that the material that
provide is preferably ceramic matches with tube face chamber 111 at the position corresponding to aforesaid tube face chamber 111; On insulated pins seat 2, also offer the wire guide 23 that a pair of position corresponds to each other; Position promptly illustrate a wire guide 23 on the left side corresponding to one of them wire guide 23 in the couple of conductor hole 23 is equipped with one first conductive base pin 21; And be equipped with one second conductive base pin 22 at the position of a wire guide 23 that promptly illustrates the right corresponding to another wire guide 23 in the couple of conductor hole 23; First, second conductive base pin 21,22 corresponds to each other, and base portion separately is corresponding with wire guide 23.
tube face 3 by ceramic is placed in the aforesaid tube face chamber 111, and corresponding with aforesaid insulated pins seat 2.Central authorities at tube face 3 offer a core pore 31; And offering quantity in the circumferencial direction equidistant intervals of tube face 3 equates with aforesaid clip pin 12 and position corresponding button pin locating slot 32; Clip pin 12 is being inserted the 32 back bendings of button pin locating slot, thereby tube face 3 is positioned on the lamp socket 1 reliably.
fluorescent tube 4 is made up of first, second core pipe 41,42 and discharge tube 43 threes jointly; Wherein: the first core pipe 41 is placed in the aforesaid core pore 31, and discharge tube 43 (also can claim the pipeline section that discharges) is at first, second core pipe 41, between 42.In the present embodiment, be spheroidal with the shaped design of discharge tube 43, this shape have luminous evenly, avoid the strong point of refraction effect effectively.Fluorescent tube 4 is processed by quartz glass.
Be electrically connected with first conductive base pin 21 in the positive wire hole 33 of one end preferred orientation on tube face 3 of
positive wire 6 and through aforesaid wire guide 23, and an end of the other end of the positive wire 6 molybdenum thin slice 8 interior with being encapsulated in the second core pipe 42 is connected.Preferred scheme also can be preferably ceramic insulating sleeve 61 by a sheathed material on positive wire 6.One end of cathode wire 5 is connected with an end of filament 7, and the other end of cathode wire 5 is being electrically connected with second conductive base pin 22 by way of the aforesaid first core pipe, 41 centre bores 411 and aforesaid wire guide 23 backs.Filament 7 is positioned at discharge tube 43, and the other end of this filament 7 is connected with the other end of aforementioned molybdenum thin slice 8.
When
use is of the present invention; When for example applying the present invention to vehicle; As long as with first, second conductive base pin 21,22 and default in the pin holes inserting on the vehicle power supply socket on the vehicle; Need not supporting separately ballast, strong point convenient and the embodiment economy is installed thereby can embody ultimate attainmently for the present invention.Because the operation principle of xenon lamp belongs to known technology; For example can be through understanding to being not limited to the following publication document lifted: TOHKEMY 2004-134104, the flat 8-096751 of TOHKEMY, the flat 11-096970 of TOHKEMY, CN201093285Y, CN2568943Y, CN201377771Y, CN2760751Y, CN1333472C, CN10154787A and CN10169916A or the like, so the applicant no longer gives unnecessary details