CN210897200U

CN210897200U - Water-cooled discharge lamp

Info

Publication number: CN210897200U
Application number: CN201922500500.2U
Authority: CN
Inventors: 徐琴玉; 殷尧平
Original assignee: CHANGZHOU YUYU ELECTRIC LIGHT APPLIANCE CO LTD
Current assignee: CHANGZHOU YUYU ELECTRIC LIGHT APPLIANCE CO LTD
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-06-30
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to the technical field of discharge lamps, in particular to a water-cooled discharge lamp, which is provided with a bulb shell and two quartz tubes which are formed by shrinking and are positioned at the two ends of the bulb shell, wherein a composite electrode is arranged in each quartz tube, each composite electrode is internally provided with an inner cavity with an outward opening, a water guide tube is inserted in each inner cavity, the inner ring wall of each water guide tube is enclosed into a water inlet channel, a water outlet channel is formed between the outer ring wall of each water guide tube and the inner ring wall of the quartz tube at the end where the water guide tube is positioned, and a gap for communicating the water inlet channel with the water outlet channel is reserved between the end part at the inner end of each water guide tube and the cavity bottom of the inner cavity where the water guide tube is positioned. Prevent that the heat from at the inside accumulation of cell-shell, improve radiating efficiency and life.

Description

Water-cooled discharge lamp

Technical Field

The utility model belongs to the technical field of discharge lamp technique and specifically relates to a water-cooled discharge lamp.

Background

The discharge lamp is a light source which generates light rays or radiation energy close to visible light due to current flowing through special steam or gas, and mainly comprises a bulb shell, a cathode and an anode which are oppositely arranged in the bulb shell, and luminescent substances such as xenon or argon sealed in the bulb shell, wherein a large amount of heat energy is generated during working, in order to avoid damage of the discharge lamp due to overhigh temperature, an air cooling structure is usually adopted to dissipate heat of the discharge lamp in the prior art, however, the heat dissipation effect of the air cooling heat dissipation mode is not ideal, only the heat transferred to the outer surface of the discharge lamp can be dissipated, the heat in the discharge lamp cannot be dissipated quickly, the heat is easy to accumulate in the discharge lamp to generate high temperature, the damage of internal components of the discharge lamp is caused, the service life is influenced, and the continuous working time of the discharge lamp is limited.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the invention provides a water-cooled discharge lamp, aiming at solving the problems that in the prior art, a discharge lamp adopts an air-cooled structure for heat dissipation, only the heat transferred to the outer surface of the discharge lamp can be dissipated, and the heat in the discharge lamp can not be dissipated quickly, so that the heat is easy to accumulate in the discharge lamp to generate high temperature, the internal components of the discharge lamp are damaged, and the service life is influenced.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a water-cooled discharge lamp, has the cell-shell and is located two quartz tubes that the shrink of cell-shell both ends formed, all be equipped with a combined electrode in the quartz tube, combined electrode extends to in the cell-shell, two one is the positive pole in the combined electrode, another is the negative pole, all have opening inner chamber outwards in the combined electrode, all insert in the inner chamber and be equipped with a aqueduct, synthetic water inlet channel is enclosed to the inner circle wall of aqueduct, form out the water passageway between the outer lane wall of aqueduct and the inner circle wall of its place end quartz tube, leave the clearance that is used for communicateing water inlet channel and play water passageway between the inner tip of aqueduct and the inner chamber end at its place.

Utilize in this scheme to set up the inner chamber in combined electrode to correspond and insert the aqueduct, with form inhalant canal and exhalant canal that supplies the cooling water circulation to circulate, make the cooling water can flow in combined electrode's inside, thereby in time take away the inside heat of combined electrode and cell-shell, realize dispelling the heat from inside, prevent that the heat from accumulating inside the cell-shell, improve radiating efficiency and life.

Furthermore, the outer ends of the composite electrodes are respectively provided with a fixing piece, the outer ends of the composite electrodes are provided with a first flange ring, the fixing pieces are fixedly connected with the quartz tube, and the first flange rings of the composite electrodes are clamped and fixed between the end surface of the outer end of the quartz tube at the end where the first flange rings are located and the fixing pieces; thereby fixing the composite electrodes on the corresponding quartz tubes.

Furthermore, a second flange ring is arranged at the end part of the outer end of the quartz tube, a threaded sleeve is sleeved outside the second flange ring, the outer end of the threaded sleeve is in threaded connection with the fixing piece, and the end part of the inner end of the threaded sleeve abuts against the end surface of the inner end of the second flange ring; thereby realizing the fixed connection of the threaded sleeve and the fixing piece.

Furthermore, the fixed part is provided with a bottom edge for plugging the water inlet channel and the water outlet channel, the bottom edge is provided with a mounting hole and a water outlet, the water outlet on the bottom edge is communicated with the water outlet channel at the end where the water outlet is located, the water guide pipe passes through the mounting hole on the bottom edge at the end where the water guide pipe is located, and the outer end of the water inlet channel is a water inlet; the design that the water guide pipe penetrates through the mounting hole in the bottom edge is utilized, the water guide pipe can be supported and fixed on the bottom edge, and the water guide pipe and the bottom edge can be sealed and fixed in a welding mode.

Furthermore, a first sealing ring is arranged between the end face of the inner end of the fixed piece and the end face of the outer end of the first flange ring at the end where the fixed piece is located, and a second sealing ring is arranged between the end face of the inner end of the first flange ring and the end face of the outer end of the second flange ring of the quartz tube at the end where the fixed piece is located; thereby preventing the leakage of cooling water between the fixing piece and the composite electrode and between the composite electrode and the quartz tube and improving the sealing performance.

Furthermore, a gasket is arranged between the outer peripheral surface of the second flange ring and the inner peripheral surface of the threaded sleeve at the end where the second flange ring is located; the setting of packing ring can form radial support to the screw sleeve, improves the steadiness of installation.

Furthermore, the composite electrode is made of tungsten alloy.

Furthermore, the material of aqueduct is copper.

The utility model has the advantages that: the utility model discloses a water-cooled discharge lamp utilizes and sets up the inner chamber in combined electrode to correspond and insert the aqueduct, with inhalant canal and the exhalant canal that forms the cooling water circulation and circulate, make the cooling water can flow in combined electrode's inside, thereby in time take away the inside heat of combined electrode and cell-shell, realize dispelling the heat from inside, prevent that the heat from accumulating inside the cell-shell, improve radiating efficiency and life.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of a high pressure exposure lamp of the present invention;

FIG. 2 is an enlarged partial schematic view of A of FIG. 1;

fig. 3 is a partially enlarged schematic view of a in fig. 1.

In the figure: 1. the bulb comprises a bulb shell, 2 parts of a quartz tube, 2-1 parts of a second flange ring, 3 parts of a composite electrode, 3-1 parts of a first flange ring, 4 parts of a water guide pipe, 4-1 parts of a water inlet channel, 5 parts of a water outlet channel, 6 parts of a gap, 7 parts of a fixing part, 7-1 parts of a bottom edge, 7-2 parts of a mounting hole, 7-3 parts of a water outlet, 8 parts of a first sealing ring, 9 parts of a second sealing ring, 10 parts of a gasket, 11 parts of a screw sleeve.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

Example 1

As shown in fig. 1-3, a water-cooled discharge lamp includes a bulb 1 and two quartz tubes 2 formed by shrinking at two ends of the bulb 1, wherein a composite electrode 3 is disposed in each quartz tube 2, the composite electrode 3 extends into the bulb 1, one of the two composite electrodes 3 is an anode, the other is a cathode, each composite electrode 3 has an inner cavity with an outward opening, a water guide tube 4 is inserted into each inner cavity, an inner ring wall of the water guide tube 4 surrounds a water inlet channel 4-1, a water outlet channel 5 is formed between an outer ring wall of the water guide tube 4 and an inner ring wall of the quartz tube 2 at the end where the water guide tube 4 is located, and a gap 6 for communicating the water inlet channel 4-1 with the water outlet channel 5 is left between an inner end of the water guide tube 4 and a bottom of the inner cavity where the water guide tube is located.

The outer ends of the composite electrodes 3 are respectively provided with a fixing piece 7, the outer ends of the composite electrodes 3 are provided with a first flange ring 3-1, the fixing pieces 7 are fixedly connected with the quartz tube 2, and the first flange rings 3-1 of the composite electrodes 3 are clamped and fixed between the end surface of the outer end of the quartz tube 2 at the end where the first flange rings are located and the fixing pieces 7; thereby fixing the composite electrodes 3 to the corresponding quartz tubes 2.

The outer end part of the quartz tube 2 is provided with a second flange ring 2-1, a threaded sleeve 11 is sleeved outside the second flange ring 2-1, the outer end of the threaded sleeve 11 is in threaded connection with the fixing piece 7, and the inner end part of the threaded sleeve 11 abuts against the inner end face of the second flange ring 2-1; the screw sleeve 11 and the fastening element 7 are thereby fixedly connected.

The fixing piece 7 is provided with a bottom edge 7-1 for plugging the water inlet channel 4-1 and the water outlet channel 5, the bottom edge 7-1 is provided with a mounting hole 7-2 and a water outlet 7-3, the water outlet 7-3 on the bottom edge 7-1 is communicated with the water outlet channel 5 at the end where the water outlet 7-3 is positioned, the water guide pipe 4 penetrates through the mounting hole 7-2 of the bottom edge 7-1 at the end where the water guide pipe is positioned, and the outer end of the water inlet channel 4-1 is provided with a water inlet; the design that the water guide pipe 4 penetrates through the mounting hole 7-2 on the bottom edge 7-1 is utilized, the water guide pipe 4 can be supported, the water guide pipe 4 can be fixed on the bottom edge 7-1, and the water guide pipe 4 and the bottom edge 7-1 can be sealed and fixed in a welding mode.

A first sealing ring 8 is arranged between the end part of the inner end of the fixing piece 7 and the end surface of the outer end of the first flange ring 3-1 at the end where the fixing piece is positioned, and a second sealing ring 9 is arranged between the end surface of the inner end of the first flange ring 3-1 and the end surface of the outer end of the second flange ring 2-1 of the quartz tube 2 at the end where the fixing piece is positioned; thereby preventing the leakage of cooling water between the fixing member 7 and the composite electrode 3 and between the composite electrode 3 and the quartz tube 2, and improving the sealing performance.

A gasket 10 is arranged between the outer peripheral surface of the second flange ring 2-1 and the inner peripheral surface of a threaded sleeve 11 at the end where the second flange ring is located; the washer 10 can radially support the threaded sleeve 11, and the mounting stability is improved.

The composite electrode 3 is made of tungsten alloy.

The material of the water guide pipe 4 is copper.

The operation principle of the water-cooled discharge lamp in this embodiment is as follows:

cooling water enters the water inlet channel 4-1 from a water inlet at the outer end of the water inlet channel 4-1, then enters the water outlet channel 5 through a gap 6 between the end part of the inner end of the water guide pipe 4 and the cavity bottom of the inner cavity, and finally is discharged from a water outlet 7-3 on the bottom edge 7-1; make the cooling water can flow in composite electrode 3's inside to in time take away composite electrode 3 and the inside heat of cell-shell 1, realize dispelling the heat from inside, prevent that the heat from improving radiating efficiency and life in the inside accumulation of cell-shell 1.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a water-cooled discharge lamp, has bulb (1) and is located two quartz tubes (2) that the shrink of bulb (1) both ends formed, all be equipped with a combined electrode (3) in quartz tube (2), in combined electrode (3) extended to bulb (1), two one in combined electrode (3) is the positive pole, and the other is the negative pole, its characterized in that: the composite electrode is characterized in that inner cavities with outward openings are formed in the composite electrodes (3), a water guide pipe (4) is inserted into each inner cavity, a water inlet channel (4-1) is formed by enclosing the inner ring wall of the water guide pipe (4), a water outlet channel (5) is formed between the outer ring wall of the water guide pipe (4) and the inner ring wall of the quartz tube (2) at the end where the water guide pipe is located, and a gap (6) for communicating the water inlet channel (4-1) with the water outlet channel (5) is reserved between the end part of the inner end of the water guide pipe (4) and the bottom of the inner cavity where the water guide pipe is located.

2. The water-cooled discharge lamp according to claim 1, wherein: the outer end of the composite electrode (3) is provided with a fixing piece (7), the outer end of the composite electrode (3) is provided with a first flange ring (3-1), the fixing piece (7) is fixedly connected with the quartz tube (2), and the first flange ring (3-1) of the composite electrode (3) is clamped and fixed between the end face of the outer end of the quartz tube (2) at the end where the first flange ring is located and the fixing piece (7).

3. The water-cooled discharge lamp according to claim 2, wherein: the outer end part of the quartz tube (2) is provided with a second flange ring (2-1), a threaded sleeve (11) is sleeved outside the second flange ring (2-1), the outer end of the threaded sleeve (11) is in threaded connection with the fixing part (7), and the inner end part of the threaded sleeve (11) abuts against the inner end face of the second flange ring (2-1).

4. The water-cooled discharge lamp according to claim 3, wherein: the water distributor is characterized in that the fixing piece (7) is provided with a bottom edge (7-1) used for plugging the water inlet channel (4-1) and the water outlet channel (5), the bottom edge (7-1) is provided with a mounting hole (7-2) and a water outlet (7-3), the water outlet (7-3) on the bottom edge (7-1) is communicated with the water outlet channel (5) at the end where the water outlet is located, the water guide pipe (4) penetrates through the mounting hole (7-2) of the bottom edge (7-1) at the end where the water guide pipe is located, and the outer end of the water inlet channel (4-1) is provided with a water inlet.

5. The water-cooled discharge lamp according to claim 4, wherein: a first sealing ring (8) is arranged between the end part of the inner end of the fixing piece (7) and the end surface of the outer end of the first flange ring (3-1) at the end where the fixing piece is located, and a second sealing ring (9) is arranged between the end surface of the inner end of the first flange ring (3-1) and the end surface of the outer end of the second flange ring (2-1) of the quartz tube (2) at the end where the first flange ring is located.

6. The water-cooled discharge lamp according to claim 4, wherein: and a gasket (10) is arranged between the outer peripheral surface of the second flange ring (2-1) and the inner peripheral surface of the threaded sleeve (11) at the end where the second flange ring is positioned.

7. The water-cooled discharge lamp according to claim 1, wherein: the composite electrode (3) is made of tungsten alloy.

8. The water-cooled discharge lamp according to claim 1, wherein: the water guide pipe (4) is made of copper.