CN115278948A - Far infrared rapid heating lamp tube and preparation method thereof - Google Patents
Far infrared rapid heating lamp tube and preparation method thereof Download PDFInfo
- Publication number
- CN115278948A CN115278948A CN202210963400.7A CN202210963400A CN115278948A CN 115278948 A CN115278948 A CN 115278948A CN 202210963400 A CN202210963400 A CN 202210963400A CN 115278948 A CN115278948 A CN 115278948A
- Authority
- CN
- China
- Prior art keywords
- heating
- lamp tube
- sheet
- far infrared
- heating sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/0033—Heating devices using lamps
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
Abstract
The invention discloses a far infrared rapid heating lamp tube and a preparation method thereof, wherein the far infrared rapid heating lamp tube comprises a lamp tube, ceramic seats are arranged at two ends of the lamp tube, a conducting strip is arranged at one end of each ceramic seat corresponding to the outer side of the lamp tube, a molybdenum rod is connected with the other end of each ceramic seat, a connecting nose is arranged at one end of the molybdenum rod, which is arranged at the inner side of the lamp tube, a heating piece is arranged in the lamp tube, two ends of the heating piece are respectively connected with the connecting noses, the middle part of the heating piece is a snake-shaped first heating part, and inert gas is filled in the lamp tube. The far infrared rapid heating lamp tube and the preparation method thereof provided by the invention have a more stable structure, the middle part of the heating sheet is arranged in a snake shape, and the resistance value of the heating sheet can be increased under the design of the same size, so that the heating efficiency of the heating sheet is improved, the heating temperature can reach 500-600 ℃ within 1 second, and the heating efficiency is greatly improved.
Description
Technical Field
The invention belongs to the field of heating devices, and particularly relates to a far infrared rapid heating lamp tube and a preparation method thereof.
Background
At present, a quartz heating tube is formed by assembling a resistance material as a heater in a quartz glass tube which is processed by a special process. Because the milky white or transparent quartz glass can absorb almost all visible light and near infrared light radiated from the electric heating wire and can convert the visible light and the near infrared light into far infrared radiation, the quartz heating tube is widely applied to various occasions, such as various heating equipment, drying machinery, heat preservation planting of vegetable greenhouses, dehumidification and the like; sterilizing cabinet, light wave oven, bread maker, and food oven; heating of various acids, chemical reaction kettle, etc.
Because the quartz heating tube utilizes far infrared for heating, the quartz heating tube is also commonly called as a far infrared heating lamp tube, the existing far infrared heating lamp tube mainly utilizes a heating wire for heating, and the heating wire is usually required to be arranged into a spiral structure so as to achieve more ideal heating efficiency, but the spiral structure also easily causes the instability of the heating wire and has larger influence on the service life of the heating lamp tube; some heating lamp tubes use heating sheets to generate heat, so that the structure of the heating lamp tubes can be ensured to be more stable. In addition, the heating rate of the heating lamp in the prior art is still not fast enough, and the heating temperature of 100-200 ℃ can be reached usually in 3-5 seconds, and the heating efficiency is still to be improved.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a far infrared rapid heating lamp tube and a preparation method thereof.
In order to achieve the purpose, the invention provides the following technical scheme:
the far infrared rapid heating lamp tube comprises a lamp tube body, wherein ceramic seats are arranged at two ends of the lamp tube body, one end, corresponding to the outer side of the lamp tube, of each ceramic seat is provided with a conducting strip, the other end of each ceramic seat is connected with a molybdenum rod, one end, arranged on the inner side of the lamp tube, of each molybdenum rod is provided with a connecting nose, a heating piece is arranged in the lamp tube body, two ends of each heating piece are respectively connected with the connecting noses, the middle of each heating piece is a snake-shaped first heating portion, and inert gas is filled in the lamp tube body.
Preferably, the middle part of the heating sheet is evenly provided with a first notch and a second notch at intervals, the first notch corresponds to one end of the heating sheet, the second notch corresponds to the other end of the heating sheet, and the heating sheet forms the first heating part through the first notch and the second notch.
Preferably, the two ends of the heat generating sheet are provided with second heat generating parts, the width of the second heat generating parts is smaller than that of the first heat generating parts, and the second heat generating parts are connected with the molybdenum rods through the connecting noses.
Preferably, the two ends of the heat generating sheet are provided with third heat generating portions, one end of each third heat generating portion is integrally connected with the first heat generating portion, the other end of each third heat generating portion is integrally connected with the second heat generating portion, and the third heat generating portions are provided with a plurality of third notches.
Preferably, the lamp tube is a quartz glass tube.
Preferably, the lamp tube is connected with the ceramic seat through high-temperature silica gel.
Preferably, the heating sheet is a nickel-ink alloy heating sheet.
Preferably, the heating sheet is a graphene heating sheet.
A method for preparing a far infrared rapid heating lamp tube comprises the following steps:
step S1: punching and forming the heating sheet by using a linear cutting technology to enable the middle part of the heating sheet to be snakelike, inserting both ends of the heating sheet into corresponding connecting noses, and clamping the connecting noses to fixedly connect the heating sheet and the molybdenum rod;
step S2: melting a small hole in the middle of the lamp tube by using flame heating, and melting the small hole and one end of the exhaust pipe together to enable the exhaust pipe to be welded on the lamp tube;
and step S3: inserting the heating sheet and the molybdenum rod obtained in the step S1 into the lamp tube obtained in the step S2, introducing nitrogen into the lamp tube by using the exhaust pipe to exhaust air, heating the two ends of the lamp tube by using flame to enable the two ends of the lamp tube to be in a molten state, and flattening the two ends of the lamp tube by using a corresponding mold to seal the two ends of the lamp tube and the molybdenum rod together;
and step S4: vacuumizing the lamp tube by using the exhaust pipe on the lamp tube obtained in the step S3, electrifying the heating sheet by using the molybdenum rod, filling inert gas into the lamp tube by using the exhaust pipe, heating the joint of the exhaust pipe and the lamp tube to a molten state by using flame heating, sealing off and taking out the lamp tube;
step S5: and mounting the ceramic seat on the molybdenum rod, fixing the ceramic seat at two ends of the lamp tube by using high-temperature-resistant silica gel, fixing the lamp tube, and testing the heating sheet by using the conducting sheet to detect the quality parameters of the heating lamp tube.
Compared with the prior art, the far infrared rapid heating lamp tube and the preparation method thereof have the advantages that the heating structure of the heating sheet is utilized, the structure of the heating lamp tube can be ensured to be more stable, the service life of the heating lamp tube is beneficial, in addition, the middle part of the heating sheet is arranged in a snake shape, the resistance value of the heating sheet can be increased under the design of the same size, the heating efficiency of the heating sheet is improved, the heating temperature can reach 500-600 ℃ within 1 second, and the heating efficiency is greatly improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic structural diagram of the heat generating sheet provided by the present invention.
Fig. 4 is a partial enlarged view of fig. 2 provided by the present invention.
The reference numerals include: 10. a lamp tube; 20. a ceramic base; 21. a conductive sheet; 30. a heating sheet; 31. a first heat-generating portion; 32. a second heat generating portion; 33. a third heat generating portion; 34. a first cut; 35. a second cut; 36. a third cut; 40. a molybdenum rod; 41. is connected with the nose.
Detailed Description
The present invention discloses a far infrared rapid heating lamp 10 and a method for making the same, and the following description will be given to the preferred embodiments of the present invention.
Referring to fig. 1 to 4 of the drawings, fig. 1 is a schematic perspective view of the present invention, fig. 2 is a schematic perspective view of the present invention, fig. 3 is a schematic structural view of a heat generating sheet 30 of the present invention, and fig. 4 is a partially enlarged view of fig. 2 of the present invention.
A first embodiment.
The embodiment provides a far infrared rapid heating lamp tube 10, which comprises a lamp tube 10, wherein ceramic seats 20 are arranged at two ends of the lamp tube 10, one end, corresponding to the outer side of the lamp tube, of each ceramic seat 20 is provided with a conducting strip 21, the other end of each ceramic seat is connected with a molybdenum rod 40, one end, arranged on the inner side of the lamp tube 10, of each molybdenum rod 40 is provided with a connecting nose 41, a heating sheet 30 is arranged in the lamp tube 10, two ends of each heating sheet 30 are respectively connected with the connecting noses 41, the middle of each heating sheet 30 is a snake-shaped first heating part 31, and inert gas is filled in the lamp tube 10. After the connection nose 41 is pressed, the molybdenum rod 40 is stably connected with the heating plate 30, the molybdenum rod 40 is communicated with the conducting strip 21 by being inserted into the ceramic seat 20, and the conducting strip is used for connecting a power supply to conduct electricity and heat for the heating plate 30. The inert gas is used for protecting the heating sheet 30 in the lamp tube 10 from being oxidized easily, so that the service life of the lamp tube 10 is ensured. The middle part of the heating sheet 30 is in a snake shape, so that the resistance value of the heating sheet 30 is increased, and the heating effect can be improved.
Preferably, the middle of the heat generating sheet 30 is provided with a first notch 34 and a second notch 35 at regular intervals, the first notch 34 corresponds to one end of the heat generating sheet 30, the second notch 35 corresponds to the other end of the heat generating sheet 30, and the heat generating sheet 30 forms the first heat generating portion 31 through the first notch 34 and the second notch 35. The first incision 34 and the second incision 35 are cut by using a wire cutting technology, so that the first heat generating portion 31 is in a serpentine shape, and the heat generating efficiency of the heat generating sheet 30 is improved.
Preferably, second heat generating portions 32 are disposed at both ends of the heat generating sheet 30, the width of the second heat generating portions 32 is smaller than that of the first heat generating portions 31, and the second heat generating portions 32 are connected to the molybdenum rod 40 through the connection noses 41. The width of the second heat generating part 32 is smaller than that of the first heat generating part 31, which is more convenient for the connection and fixation of the heat generating sheet 30 and the molybdenum rod 40, and for the second heat generating part 32 to be inserted into the connecting nose 41 and to be pressed against the connecting nose 41 for fixation.
Preferably, third heat generating portions 33 are disposed at two ends of the heat generating sheet 30, one end of the third heat generating portion 33 is integrally connected to the first heat generating portion 31, the other end of the third heat generating portion 33 is integrally connected to the second heat generating portion 32, and a plurality of third notches 36 are disposed on the third heat generating portion 33. The third cut 36 is cut by using a wire cutting technique, so that the resistance value of the heating sheet 30 can be further increased, and the heating effect and the heating efficiency of the heating sheet can be further improved.
Preferably, the lamp tube 10 is a quartz glass tube, and the quartz glass tube can ensure the high temperature resistance of the lamp tube 10.
Preferably, the lamp tube 10 is connected to the ceramic base 20 through high temperature silicone, and the high temperature silicone can fix the ceramic base 20 and the lamp tube 10 and has good high temperature resistance.
Preferably, the heat generating sheet 30 is a nickel-ink alloy heat generating sheet 30 (the nickel-ink alloy is a heat generating material with nickel plated on the graphite surface), and the nickel-ink alloy heat generating sheet 30 can ensure the strength of the heat generating sheet 30 and has good heat generating performance.
Tests show that after the traditional heating lamp tube 10 is electrified for 3-5 seconds, the temperature of the heating lamp tube 10 can reach 100-200 ℃, and the temperature of the heating lamp tube 10 can reach 500-600 ℃ after the traditional heating lamp tube 10 is electrified for 1 second, so that the heating efficiency of the heating lamp tube 10 is greatly improved, and the heating effect of equipment provided with the heating lamp tube 10 can be guaranteed to be faster and better. Meanwhile, the heating effect of the 500W heating lamp tube 10 can be compared favorably with the heating effect of the traditional 1000W heating lamp tube 10 in the test process.
A second embodiment.
The present embodiment also provides a far infrared fast heating lamp 10, which is different from the first embodiment described above in that: the heating sheet 30 is a graphene heating sheet 30, and the graphene heating sheet 30 has good heating performance, so that the heating effect is guaranteed.
A third embodiment.
The embodiment provides a method for preparing a far infrared rapid heating lamp tube 10, which comprises the following steps:
step S1: punching and forming the heating sheet 30 by using a wire cutting technology to enable the middle part of the heating sheet 30 to be in a snake shape, inserting both ends of the heating sheet 30 into corresponding connecting noses 41, and clamping the connecting noses 41 to fixedly connect the heating sheet 30 and the molybdenum rod 40;
step S2: melting a small hole in the middle of the lamp tube 10 by using flame heating, and melting the small hole and one end of the exhaust pipe together to enable the exhaust pipe to be welded on the lamp tube 10;
and step S3: inserting the heating sheet 30 and the molybdenum rod 40 obtained in the step S1 into the lamp tube 10 obtained in the step S2, introducing nitrogen gas into the lamp tube 10 by using the exhaust pipe to exhaust air, heating the two ends of the lamp tube 10 by using flame to enable the two ends of the lamp tube 10 to be in a molten state, and flattening the two ends of the lamp tube 10 by using corresponding dies to seal the two ends of the lamp tube 10 and the molybdenum rod 40 together;
and step S4: vacuumizing the lamp tube 10 by using the exhaust pipe on the lamp tube 10 obtained in the step S3, electrifying the heating sheet 30 by using the molybdenum rod 40, filling inert gas (generally argon-krypton mixed gas) into the lamp tube 10 by using the exhaust pipe, heating the connection part of the exhaust pipe and the lamp tube 10 to a molten state by using flame heating, sealing off and taking out the lamp tube 10;
step S5: the ceramic base 20 is installed on the molybdenum rod 40, the ceramic base 20 is fixed at two ends of the lamp tube 10 by using the high temperature resistant silica gel, the lamp tube 10 is fixed, the heating sheet 30 is electrified and tested by using the conducting sheet 21, and the quality parameters of the heating lamp tube 10 are checked.
It should be noted that the technical features of the wire cutting technology, the exhaust pipe, the ceramic seat 20, and the like, which are referred to in the present patent application, should be regarded as the prior art, and the specific structure, the operation principle, the control manner and the spatial arrangement manner that may be referred to in the present patent application should be selected conventionally in the art, and should not be regarded as the invention point of the present patent, and the present patent is not further specifically described in detail.
It will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.
Claims (9)
1. The far infrared rapid heating lamp tube is characterized by comprising a lamp tube (10), wherein ceramic seats (20) are arranged at two ends of the lamp tube (10), a conducting strip (21) is arranged at one end, corresponding to the outer side of the lamp tube, of each ceramic seat (20), a molybdenum rod (40) is connected to the other end of each ceramic seat (20), a connecting nose (41) is arranged at one end, corresponding to the inner side of the lamp tube (10), of each molybdenum rod (40), a heating sheet (30) is arranged in the lamp tube (10), two ends of each heating sheet (30) are respectively connected with the connecting noses (41), a first snake-shaped heating part (31) is arranged in the middle of each heating sheet (30), and inert gas is filled in the lamp tube (10).
2. The far infrared rapid heating lamp tube according to claim 1, wherein a first notch (34) and a second notch (35) are uniformly spaced at a center of the heating sheet (30), the first notch (34) corresponds to one end of the heating sheet (30), the second notch (35) corresponds to the other end of the heating sheet (30), and the heating sheet (30) forms the first heating portion (31) through the first notch (34) and the second notch (35).
3. The far infrared rapid heating lamp tube according to claim 2, wherein the two ends of the heating sheet (30) are provided with second heating portions (32), the width of the second heating portions (32) is smaller than that of the first heating portions (31), and the second heating portions (32) are connected with the molybdenum rod (40) through the connecting nose (41).
4. The far infrared rapid heating lamp tube according to claim 3, wherein the two ends of the heating sheet (30) are provided with third heating portions (33), one end of the third heating portion (33) is integrally connected with the first heating portion (31), the other end of the third heating portion (33) is integrally connected with the second heating portion (32), and the third heating portion (33) is provided with a plurality of third slits (36).
5. The far infrared rapid heating lamp tube according to claim 1, wherein the lamp tube (10) is a quartz glass tube.
6. The far infrared rapid heating lamp tube according to claim 1, wherein the lamp tube (10) is connected with the ceramic base (20) through high temperature silica gel.
7. The far infrared rapid heating lamp tube according to claim 1, wherein the heating sheet (30) is a nickel-ink alloy heating sheet (30).
8. The far infrared rapid heating lamp tube according to claim 1, wherein the heating sheet (30) is a graphene heating sheet (30).
9. A method for preparing a far infrared rapid heating lamp tube, the far infrared rapid heating lamp tube according to any one of claims 1 to 8, characterized by comprising the following steps:
step S1: punching and molding the heating sheet (30) by using a wire cutting technology to enable the middle part of the heating sheet (30) to be in a snake shape, inserting both ends of the heating sheet (30) into corresponding connecting noses (41), and clamping the connecting noses (41) to fixedly connect the heating sheet (30) and the molybdenum rod (40);
step S2: a small hole is melted in the middle of the lamp tube (10) by using flame heating, and the small hole and one end of the exhaust pipe are melted together, so that the exhaust pipe is welded on the lamp tube (10);
and step S3: inserting the heating sheet (30) and the molybdenum rod (40) obtained in the step S1 into the lamp tube (10) obtained in the step S2, introducing nitrogen into the lamp tube (10) by using the exhaust pipe to exhaust air, heating the two ends of the lamp tube (10) by using flame to enable the two ends to be in a molten state, and flattening the two ends of the lamp tube (10) by using corresponding dies to enable the two ends of the lamp tube (10) to be sealed with the molybdenum rod (40);
and step S4: vacuumizing the lamp tube (10) by using the exhaust pipe on the lamp tube (10) obtained in the step S3, electrifying the heating sheet (30) by using the molybdenum rod (40), filling inert gas into the lamp tube (10) by using the exhaust pipe, heating the joint of the exhaust pipe and the lamp tube (10) to a molten state by using flame heating, sealing off and taking out the lamp tube (10);
step S5: and installing the ceramic bases (20) on the molybdenum rods (40), fixing the ceramic bases (20) at two ends of the lamp tube (10) by using high-temperature-resistant silica gel, fixing the lamp tube (10), and testing the heating sheet (30) by using the conducting sheet (21) to test the quality parameters of the heating lamp tube (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210963400.7A CN115278948A (en) | 2022-08-11 | 2022-08-11 | Far infrared rapid heating lamp tube and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210963400.7A CN115278948A (en) | 2022-08-11 | 2022-08-11 | Far infrared rapid heating lamp tube and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115278948A true CN115278948A (en) | 2022-11-01 |
Family
ID=83750702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210963400.7A Pending CN115278948A (en) | 2022-08-11 | 2022-08-11 | Far infrared rapid heating lamp tube and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115278948A (en) |
-
2022
- 2022-08-11 CN CN202210963400.7A patent/CN115278948A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2002063870A (en) | Infrared-ray emitting device | |
| US20080006620A1 (en) | Heating unit and method of manufacturing the same | |
| JP3940722B2 (en) | Discharge lamp provided with bulb fixing device and method of manufacturing discharge lamp | |
| CN105531791A (en) | Dual tube support for electron emitter | |
| CN218570492U (en) | Far infrared fast heating lamp tube | |
| CN115278948A (en) | Far infrared rapid heating lamp tube and preparation method thereof | |
| CN107210186B (en) | For using single-ended infrared emitter that infra-red radiation is injected into the irradiation devices in vacuum processing chamber | |
| CN106356277B (en) | A kind of single-ended xenon lamp and its manufacturing process | |
| US6741805B2 (en) | Flexible graphite felt heating elements and a process for radiating infrared | |
| CN206236642U (en) | A kind of single-ended xenon lamp | |
| JP2001210280A (en) | Tubular lamp device and electric apparatus | |
| CN208424821U (en) | Applied to the carbon fiber heaters in chip wet manufacturing process | |
| CN202772111U (en) | Heating lamp used for heating periphery of hole of punching piece sprayed with paint | |
| CN211509318U (en) | Cooking utensil that culinary art efficiency is high | |
| CN211509319U (en) | Heating tube and cooking utensil of convenient assembly | |
| CN211792090U (en) | Heating radiant tube with waste heat utilization device | |
| US4626735A (en) | Incandescent lamp having two lead-in conductors sealed within one end and including expansion means | |
| CN101246800B (en) | Transition sealing-in type xenon lamp | |
| CN101390181A (en) | Furnace-made feedthrough featuring wrap-around glass-to-metal seal | |
| CN2212245Y (en) | Black body rediate source | |
| CN106373859B (en) | A kind of xenon lamp and its manufacturing process | |
| CN114639589B (en) | Low-power xenon lamp and preparation process thereof | |
| CN210899667U (en) | Single-end carbon fiber quartz electric heating tube heated by liquid water | |
| US20210296073A1 (en) | X-ray tube and x-ray imaging apparatus | |
| CN212438309U (en) | Cooking utensil that culinary art effect is good |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |