CN217280686U

CN217280686U - Gas discharge lamp

Info

Publication number: CN217280686U
Application number: CN202221011068.6U
Authority: CN
Inventors: 陈晖�
Original assignee: Ningbo Yamao Optoelectronics Co Ltd
Current assignee: Ningbo Yamao Optoelectronics Co Ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-23
Anticipated expiration: 2032-04-28

Abstract

The application discloses gas discharge lamp relates to light technical field. The gas discharge lamp comprises a luminous tube, an electrode spot welding assembly, a power supply connector and a U-shaped molybdenum bracket; the main tube of the luminous tube is provided with a through hole which is used for filling metal halide, mercury and gas into the main tube; the electrode spot welding assembly comprises an emitter electrode, a molybdenum sheet, a first molybdenum rod and a second molybdenum rod, the head of the emitter electrode is arranged in the main pipe, the tail of the emitter electrode penetrates out of the main pipe to be connected with the molybdenum sheet, the molybdenum sheet is connected with the first molybdenum rod, the second molybdenum rod is connected with the power supply connector, and the first molybdenum rod and the second molybdenum rod are connected through a U-shaped molybdenum support. The lamp is likely to have poor contact with the power supply due to expansion with heat and contraction with cold when the lamp is operated and turned off. The U-shaped molybdenum bracket is arranged, is similar to a spring and can be freely contracted, so that the reliable conduction of the lamp and a power supply can be ensured, and the service life of the gas discharge lamp is prolonged; and filling the main tube with a metal halide gas can provide a light source with a wavelength of 660 nm.

Description

Gas discharge lamp

Technical Field

The application relates to the technical field of illuminating lamps, in particular to a gas discharge lamp.

Background

The main wavelength of the special plant illumination is 650-660nm, and a high-light-efficiency high-pressure sodium lamp is mainly adopted in the light source for light supplement illumination in the greenhouse at present, and the product is characterized in that the main wavelength is 580-590 nm. According to the research on the growth characteristics of plants, the conversion of the phytochrome Pr to Pfr is mainly induced by 660nm deep red light (representing sunlight in the daytime), the chlorophyll absorption rate is low, the photosynthesis and the photoperiod effect are obviously influenced, and the phytochrome Pr can promote the photosynthesis, the germination, the flowering and the rich nutrient components in the fruit period of the plants.

At present, a high-light-efficiency high-pressure sodium lamp (agricultural sodium lamp) is adopted in a high shed as a main light source, and a light source with the wavelength of 660nm is lacked. This application mainly is for increasing the irradiant artificial light 660nm spectral characteristic of plant, solves the problem that artificial light sodium lamp spectrum lacks 660nm, for guaranteeing the contact reliability between lamp and the lamps and lanterns, improves the life of lamp simultaneously.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a gas discharge lamp which is used for increasing a light source with the wavelength of 660nm, ensuring the reliable conduction of the lamp and a power supply and prolonging the service life of the lamp.

In order to solve the technical problem, the application provides a gas discharge lamp which comprises a luminous tube, an electrode spot welding assembly, a power supply connector and a U-shaped molybdenum bracket;

a through hole is formed in the main tube of the light-emitting tube and is used for filling metal halide, mercury and gas into the main tube;

the electrode spot welding assembly comprises an emitting electrode, a molybdenum sheet, a first molybdenum rod and a second molybdenum rod, the head of the emitting electrode is arranged in the main pipe, the tail of the emitting electrode penetrates out of the main pipe to be connected with the molybdenum sheet, the molybdenum sheet is connected with the first molybdenum rod, the second molybdenum rod is connected with the power supply connector, and the first molybdenum rod and the second molybdenum rod are connected through a U-shaped molybdenum support.

Preferably, the power connector is an IEC standard lamp cap.

Preferably, the number of the electrode spot welding assemblies is two, and the two electrode spot welding assemblies are respectively arranged at two ends of the main pipe.

Preferably, both ends of the main pipe are bowl-shaped.

Preferably, the light emitting tube further comprises auxiliary tubes, the auxiliary tubes are arranged at two ends of the main tube, and the auxiliary tubes are used for packaging the molybdenum sheets and the first molybdenum rods.

Preferably, the LED spot welding device further comprises a shell, the luminous tube and the electrode spot welding assembly are arranged inside the shell, the number of the power connectors is two, and the two power connectors are respectively fixed at two ends of the shell; the second molybdenum rods penetrate out of the two ends of the shell and are connected with the power supply connector.

Preferably, the power connector comprises a ceramic piece and a T-shaped pure nickel metal contact piece; the T-shaped pure nickel metal contact piece is arranged in the ceramic piece, and the two ends of the shell are provided with bonding layers which are used for fixing the ceramic piece at the two ends of the shell; and the second molybdenum rod penetrates into a central hole of the T-shaped pure nickel metal contact piece.

Preferably, the diameter ratio of the main pipe to the auxiliary pipe is 3: 2.

Preferably, two spring support brackets are arranged inside the shell, and the two spring support brackets are respectively connected with the first molybdenum rods in the electrode spot welding assemblies at two ends of the light-emitting tube so as to fix the light-emitting tube.

The application provides a gas discharge lamp, which comprises a light emitting tube, an electrode spot welding assembly, a power supply connector and a U-shaped molybdenum bracket; the main tube of the luminotron is provided with a through hole which is used for filling metal halide, mercury and gas into the main tube; the electrode spot welding assembly comprises an emitter electrode, a molybdenum sheet, a first molybdenum rod and a second molybdenum rod, the head of the emitter electrode is arranged in the main pipe, the tail of the emitter electrode penetrates out of the main pipe to be connected with the molybdenum sheet, the molybdenum sheet is connected with the first molybdenum rod, the second molybdenum rod is connected with the power supply connector, and the first molybdenum rod and the second molybdenum rod are connected through a U-shaped molybdenum support. Because the lamp expands with heat and contracts with cold when working and is closed, the temperature in the lamp is high when the lamp works, and the extrusion denaturation of each component in the gas discharge lamp is easy to cause; when the lamp is turned off, the temperature is reduced, each component in the gas discharge lamp retracts, and the gas discharge lamp is easy to have poor contact with a power supply. The U-shaped molybdenum bracket is arranged, is similar to a spring and can be freely contracted, so that reliable conduction with a power supply can be ensured, the early failure of the gas discharge lamp is effectively avoided, and the service life of the gas discharge lamp is prolonged; and a light source having a wavelength of 660nm can be provided by filling the metal halide and the gas in the main tube.

Drawings

In order to more clearly illustrate the embodiments of the present application, the drawings required for the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained by those skilled in the art without inventive effort.

Fig. 1 is a structural diagram of a gas discharge lamp provided in an embodiment of the present application;

fig. 2 is a block diagram of another gas discharge lamp provided in the embodiments of the present application;

fig. 3 is a structural diagram of a light emitting tube according to an embodiment of the present application;

the reference numbers are as follows: 1 is a main tube, 2 is an emitter electrode, 3 is a molybdenum sheet, 4 is a first molybdenum rod, 5 is a U-shaped molybdenum support, 6 is a second molybdenum rod, 7 is a power supply connector, 8 is an auxiliary tube, 9 is a ceramic piece, 10 is a T-shaped pure nickel metal contact piece, 11 is an adhesive layer and 12 is a spring support.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the present application.

The core of the present application is to provide a gas discharge lamp for ensuring reliable conduction with a power supply.

In order that those skilled in the art will better understand the disclosure, the following detailed description will be given with reference to the accompanying drawings.

Fig. 1 is a structural diagram of a gas discharge lamp provided in an embodiment of the present application, and as shown in fig. 1, the gas discharge lamp includes a light-emitting tube, an electrode spot welding assembly, a power connector 7, and a U-shaped molybdenum bracket 5; the luminous tube comprises a main tube 1; the electrode spot welding assembly includes an emitter electrode 2, a molybdenum sheet 3, a first molybdenum rod 4, and a second molybdenum rod 6.

Fig. 2 is a structural diagram of another gas discharge lamp provided in an embodiment of the present application, and as shown in fig. 2, the gas discharge lamp includes: the luminotron comprises a main tube 1 and an auxiliary tube 8; the electrode spot welding assembly comprises an emitter electrode 2, a molybdenum sheet 3, a first molybdenum rod 4, a U-shaped molybdenum bracket 5 and a second molybdenum rod 6; the power connector 7 comprises a ceramic piece 9 and a T-shaped pure nickel metal contact 10, an adhesive layer 11 and a spring support 12.

The gas discharge lamp in the embodiment of the application comprises a luminous tube, an electrode spot welding assembly, a U-shaped molybdenum bracket 5 and a power supply connector 7; the main tube 1 of the luminotron is provided with a through hole which is used for filling metal halide, mercury and gas into the main tube 1; the electrode spot welding assembly comprises an emitter electrode 2, a molybdenum sheet 3, a first molybdenum rod 4 and a second molybdenum rod 6, the head of the emitter electrode 2 is arranged in the main pipe 1, the tail of the emitter electrode 2 penetrates out of the main pipe 1 to be connected with the molybdenum sheet 3, the molybdenum sheet 3 is connected with the first molybdenum rod 4, the second molybdenum rod 6 is connected with a power supply connector 7, and the first molybdenum rod 4 is connected with the second molybdenum rod 6 through a U-shaped molybdenum support 5.

In the embodiment of the application, the material of the luminescent tube is high-purity quartz glass, the luminescent tube comprises a main tube 1, a through hole is formed in the main tube, the diameter of the through hole can be 2.5mm, and metal halide, mercury and gas are filled into the main tube 1. Fig. 3 is a structural diagram of a light-emitting tube provided in an embodiment of the present application, and as shown in fig. 3, the light-emitting tube may include a main tube 1 (cavity) and an auxiliary tube 8 (extraction tube), and the diameters of the main tube 1 and the auxiliary tube 8 are 3: 2. the main pipe 1 can be provided with the auxiliary pipe 8 at both ends, or one end is provided with the auxiliary pipe 8; the main tube 1 and the auxiliary tube 8 are both made of quartz tubes. The electrode spot welding assembly comprises an emitter electrode 2, a molybdenum sheet 3, a first molybdenum rod 4 and a second molybdenum rod 6; the emitter electrode 2 adopts a high-purity tungsten wire as a main material, the tungsten spiral and the tungsten rod are welded together, one end with the tungsten spiral is the head of the emitter electrode, namely the tungsten spiral is positioned in the main pipe 1, the tungsten rod penetrates out of the main pipe 1 to be welded with the molybdenum sheet 3, the molybdenum sheet 3 is welded with the first molybdenum rod 4, the first molybdenum rod 4 is connected with the second molybdenum rod 6 through the U-shaped molybdenum support 5, and direct current welding can be specifically adopted. The second molybdenum rod 6 is connected to a power connector 7, the power connector 7 in this embodiment is a connector for connecting to a power source configured to output power of an electrical appliance, and the power connector 7 in this embodiment is not particularly limited, and may be a single-ended structure or a double-ended structure. The single-ended structure can be that the power connector 7 is an IEC standard lamp holder which is directly arranged on the existing lamp; the double-end structure adopts a metal soft guide wire and a special lamp holder of the lamp to be arranged in the lamp. The lamp and the matched electric appliance are all used in the prior agricultural high-pressure sodium lamp, and the lamp and the matched electric appliance do not need to be replaced.

The gas discharge lamp provided by the embodiment of the application comprises a light emitting tube, an electrode spot welding assembly, a power supply connector and a U-shaped molybdenum bracket; the main tube of the luminotron is provided with a through hole which is used for filling metal halide, mercury and gas into the main tube; the electrode spot welding assembly comprises an emitter electrode, a molybdenum sheet, a first molybdenum rod and a second molybdenum rod, the head of the emitter electrode is arranged in the main pipe, the tail of the emitter electrode penetrates out of the main pipe to be connected with the molybdenum sheet, the molybdenum sheet is connected with the first molybdenum rod, the second molybdenum rod is connected with the power supply connector, and the first molybdenum rod and the second molybdenum rod are connected through a U-shaped molybdenum support. Because the lamp expands with heat and contracts with cold when working and is closed, the temperature in the lamp is high when the lamp works, and the extrusion denaturation of each component in the gas discharge lamp is easy to cause; when the lamp is turned off, the temperature is reduced, each component in the gas discharge lamp retracts, and the gas discharge lamp is easy to have poor contact with a power supply. The U-shaped molybdenum bracket is arranged, is similar to a spring and can be freely contracted, so that good conduction with a power supply can be ensured, poor contact and early failure of the gas discharge lamp are effectively avoided, and the service life of the gas discharge lamp is prolonged; and a light source having a wavelength of 660nm can be provided by filling the metal halide and the gas in the main tube.

Based on above-mentioned embodiment, this application embodiment adopts double-ended structure, and both ends and power adoption top formula connected mode. The double-end structure enables the gas discharge lamp to be in two-surface contact with a power supply, and meanwhile, a spring is arranged on the ejector rod in the lamp holder to push the gas discharge lamp, so that good contact is further kept, and the phenomenon of sparking caused by poor contact is avoided when the high-voltage 3500V is triggered.

Specifically, as shown in fig. 2, the number of the electrode spot welding assemblies is two, and the two electrode spot welding assemblies are respectively provided at both ends of the main pipe 1. The two ends of the main tube 1 are formed into a bowl bottom structure by adopting a quartz tube hot melting bubble blowing technology, the bowl bottom structure is a conical structure, and the distances between the main tube 1 and the emitting electrode 2 are relatively equal, so that the temperature is uniform, and the uniformity and the consistency of the cold end temperature of the gas discharge lamp during working are met. In order to improve the light effect, the length of the main pipe 1 is set to be one third of the length of the normal specification, and the diameter of the main pipe is smaller than one fourth of the length of the normal specification. If electrode spot welding assemblies are arranged at the two ends of the main pipe 1, the auxiliary pipes 8 are arranged at the two ends of the main pipe 1, and the auxiliary pipes 8 and the molybdenum sheets 3 are pressed together through a die, so that the light-emitting tube is ensured to be sealed by matching between metal and nonmetal. It can be understood that the device also comprises a shell, the shell can also be made of quartz material, the luminotrons and the electrode spot welding components are arranged in the shell, the number of the power connectors 7 is two, and the two power connectors 7 are respectively fixed at two ends of the shell; the second molybdenum rod 6 penetrates out of the two ends of the shell and is connected with a power supply connector 7. The power supply structure of the double-ended structure may include a ceramic piece 9 and a T-shaped pure nickel metal contact 10; the T-shaped pure nickel metal contact 10 is arranged inside the ceramic piece 9, the two ends of the shell are provided with bonding layers 11, and the bonding layers 11 are used for fixing the ceramic piece 9 at the two ends of the shell; the second molybdenum rod 6 penetrates into the central hole of the T-shaped pure nickel metal contact 10. The ceramic member 9 serves as a protective member against electric shock, and the adhesive layer 11 may be a ceramic glass adhesive agent for firmly adhering the ceramic member 9 to both ends of the outer envelope of the luminous tube.

Based on the above embodiments, the two spring support brackets 12 are disposed inside the casing of the embodiment of the present application, and the two spring support brackets 12 are respectively connected with the first molybdenum rods 4 in the electrode spot welding assemblies at the two ends of the light-emitting tube to fix the light-emitting tube. The arc tube is formed by the arc tube and the electrode spot welding assembly, the arc tube is arranged inside the shell through the spring support frame 12, the spring support frame 12 can be a molybdenum spring, the molybdenum spring serves as a support frame, and when the arc tube works, the deformation can be avoided due to the fact that the molybdenum spring is adopted when the temperature rises.

A gas discharge lamp as provided by the present application is described in detail above. The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

It should also be noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. A gas discharge lamp is characterized by comprising a luminous tube, an electrode spot welding assembly, a power supply connector and a U-shaped molybdenum bracket;

a through hole is formed in a main tube of the light-emitting tube and used for filling metal halide, mercury and gas into the main tube;

2. A gas discharge lamp as claimed in claim 1, characterized in that the power supply connection is an IEC standard burner.

3. The gas discharge lamp of claim 1, wherein the number of the electrode spot welding assemblies is two, and the two electrode spot welding assemblies are respectively disposed at two ends of the main tube.

4. A gas discharge lamp as claimed in claim 3, wherein the main tube is bowl-bottomed at both ends.

5. The gas discharge lamp of claim 3, wherein the light emitting tube further comprises auxiliary tubes, the auxiliary tubes are arranged at two ends of the main tube, and the auxiliary tubes are used for packaging the molybdenum sheets and the first molybdenum rods.

6. The gas discharge lamp of claim 5, further comprising a housing, wherein the light emitting tube and the electrode spot welding assembly are disposed inside the housing, the number of the power connectors is two, and the two power connectors are respectively fixed at two ends of the housing; the second molybdenum rod penetrates out of the two ends of the shell and is connected with the power supply connector.

7. The gas discharge lamp of claim 6, wherein the power connection comprises a ceramic piece and a T-shaped pure nickel metal contact piece; the T-shaped pure nickel metal contact piece is arranged in the ceramic piece, and the two ends of the shell are provided with bonding layers which are used for fixing the ceramic piece at the two ends of the shell; and the second molybdenum rod penetrates into a central hole of the T-shaped pure nickel metal contact piece.

8. A gas discharge lamp as claimed in claim 5, wherein the diameter ratio of the main tube to the auxiliary tube is 3: 2.

9. The gas discharge lamp of claim 6, wherein two spring support brackets are provided inside the outer envelope, and the two spring support brackets are respectively connected to the first molybdenum rods of the electrode spot welding assemblies at both ends of the light emitting tube to fix the light emitting tube.