CN219421064U - Semiconductor electrothermal film tube type electric heating element - Google Patents
Semiconductor electrothermal film tube type electric heating element Download PDFInfo
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- CN219421064U CN219421064U CN202223136761.9U CN202223136761U CN219421064U CN 219421064 U CN219421064 U CN 219421064U CN 202223136761 U CN202223136761 U CN 202223136761U CN 219421064 U CN219421064 U CN 219421064U
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- copper
- electric heating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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Abstract
The utility model discloses a semiconductor electric heating film tube type electric heating element, which belongs to the technical field of liquid heating and comprises a quartz glass tube, an electric heating film layer, an electrode coating, an electrode lead-out device, a copper terminal and a sealing device, wherein the upper end of the quartz glass tube is closed, the lower end of the quartz glass tube is opened, the inner wall of the quartz glass tube is coated with the high-temperature curing semiconductor electric heating film layer, the upper end and the lower end of the inner wall are respectively provided with longitudinal blank areas with different lengths, the electrode coating is longitudinally coated on the electric heating film layer and extends to the blank area of the lower end opening of the quartz glass tube, the electrode lead-out device is tightly attached to the electrode coating, the lower end of the electrode lead-out device is connected with the copper terminal, the sealing device is sealed at the opening of the lower end of the quartz glass tube, and the copper terminal penetrates through the sealing device and extends out of the tube. The utility model can stably heat large-capacity liquid, has firm and reliable electrode connection, can be suitable for high-temperature working conditions, and has good safety, good insulativity and good sealing property.
Description
Technical Field
The utility model relates to the technical field of liquid heating, in particular to a semiconductor electrothermal film tube type electric heating element.
Background
The common electric heating element such as an electric heating tube and the like usually adopts a metal shell, has a plurality of defects when being used for devices such as a water dispenser and the like, and is prominent in the defect of safety and reliability, and the development of products such as an instant heating type water dispenser instant heating type commercial water boiler and the like is hindered. There are also attempts to use non-metallic tubular heating elements such as: a carbon fiber quartz tube; heating wire quartz tube, etc., but is unsuitable as a liquid heating element for a number of reasons, such as heating technology, manufacturing process, external structure, etc. CN210899667U discloses a single-end carbon fiber quartz electric heating tube heated by liquid water, in which an upper molybdenum alloy double-cladding electrode, a spiral carbon fiber heating body, a molybdenum wire quartz glass inner tube with molybdenum wire inside, a lower molybdenum alloy double-cladding electrode and a molybdenum wire spring are respectively arranged, and the liquid water is heated by carbon fiber, but the heating power is not high, only can be used for heating a small amount of liquid, and the use requirement of a large-capacity water heater is difficult to meet. The electrode is drawn out to the common tin soldering mode of some quartz capsule that spray coating has now, adopts the mode of tin soldering can't be applicable to the operating mode of high temperature, has the potential safety hazard, increases risk factor, is difficult to satisfy modern industry's requirement.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a semiconductor electrothermal film tube type electric heating element.
The technical scheme of the utility model is as follows: the utility model provides a semiconductor electric heat membrane tubular electric heating element, includes quartz glass tube, electric heat rete, electrode coating, electrode extraction device, copper terminal and sealing device, the upper end of quartz glass tube seals the lower extreme opening, the coating has high temperature solidification semiconductor electric heat rete on the inner wall of quartz glass tube, and both ends are equipped with the vertical blank district of leaving of a different length respectively about the inner wall, electrode coating vertically coats on the electric heat rete and extends to quartz glass tube lower extreme opening and leave white department, electrode extraction device hugs closely electrode coating department and lower extreme and is connected extraction electrode with copper terminal, sealing device seals the lower extreme opening part at quartz glass tube, copper terminal passes sealing device and stretches out outside the pipe.
The electrode coating is formed by one or more pairs of silver paste materials which are silk-screen coated on the surface of the electrothermal film layer on the inner wall of the quartz glass tube by adopting a semicircular sleeve silk screen device along the longitudinal direction of the electrothermal film layer, and each pair of electrode coating is symmetrically arranged along the longitudinal direction of the electrothermal film layer by 180 degrees.
The electrode leading-out device comprises two semicircular pieces, two pressure springs, an elastic copper sheet, a copper stud, a copper nut, a spring gasket and a flat gasket, wherein the two semicircular pieces are arranged at the white position of the lower end pipe mouth of the quartz glass pipe, the two semicircular pieces are connected through the pressure springs, the side faces of the two semicircular pieces are connected with the elastic copper sheet, the side faces of the elastic copper sheet are contacted with the electrode coating 3, the lower end of the elastic copper sheet is connected with the flat gasket, the flat gasket is fixed at the lower end of the semicircular piece through the copper stud and the copper nut, and one end of the copper stud is connected with a copper terminal.
Two blind round holes are formed in the inner side plane of the semicircular piece in a left-right mode, the pressure springs are arranged in the round holes, and the elastic copper sheet is tightly attached to the longitudinal electrode coating in the quartz glass tube through pressure generated by the pressure springs.
A spring gasket is arranged between the flat gasket and the copper nut, and is sleeved on the copper stud.
The sealing device comprises a compression ring, a tubular base, an inner sealing sleeve, an electrode positioning sheet and a high-temperature electronic encapsulating layer, wherein the inner sealing sleeve is arranged in the tubular base, the electrode positioning sheet is arranged at the lower part of the tubular base, the inner sealing sleeve is positioned above the electrode positioning sheet, the lower opening end of a quartz glass tube penetrates through the compression ring to be plugged into the inner sealing sleeve, and an external thread on the compression ring is screwed with an internal thread at the upper end of the inner ring of the tubular base to compress the inner sealing sleeve.
The bottom of the inner wall of the inner sealing sleeve is provided with a groove and buckled into the lower opening end of the quartz glass tube, and two through holes for leading out copper terminals are arranged at corresponding positions on the horizontal line of the center of the electrode positioning sheet.
The lower end of the sealing device is provided with high-temperature electronic pouring sealant, the glue is poured into a space formed by the lower end of the tubular base and the electrode locating plate, the inner wall of the lower end of the tubular base is provided with coarse threads, and the glue is poured into the pipe orifice of the lower end of the tubular base to be flush.
The utility model can stably heat large-capacity liquid, has high heating efficiency, adopts a mode that two semicircular electrode pieces are clung to the electrode coating layer to lead out electrodes, has firm and reliable electrode connection, can be suitable for high-temperature working conditions, has good safety, and can prevent leakage and strengthen insulation by bottom sealing.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic illustration of the locations of the electrothermal film layers and electrode coatings on a quartz glass tube according to an embodiment of the utility model.
Fig. 3 is a schematic view of the structure of an electrode lead-out device according to an embodiment of the present utility model.
Fig. 4 is a schematic structural view of a sealing device according to an embodiment of the present utility model.
In the figure: the high-temperature electronic sealing device comprises a 1-quartz glass tube, a 2-electric heating film layer, a 3-electrode coating, a 4-electrode lead-out device, a 5-copper terminal, a 6-sealing device, a 41-semicircle piece, a 42-pressure spring, a 43-elastic copper sheet, a 44-copper stud, a 45-copper nut, a 46-spring gasket, a 47-flat gasket, a 61-pressing ring, a 62-tubular base, a 63-inner sealing sleeve, a 64-electrode positioning piece and a 65-high-temperature electronic sealing layer.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-2, a semiconductor electrothermal film tube type electric heating element comprises a quartz glass tube 1, an electrothermal film layer 2, an electrode coating 3, an electrode lead-out device 4, a copper terminal 5 and a sealing device 6, wherein the upper end of the quartz glass tube 1 is sealed with a lower end opening, the inner wall of the quartz glass tube 1 is coated with the high-temperature curing semiconductor electrothermal film layer 2, the upper end and the lower end of the inner wall of the quartz glass tube 1 are respectively provided with longitudinal blank areas with different lengths, the electrode coating 3 is longitudinally coated on the electrothermal film layer 2 and extends to the lower end opening blank of the quartz glass tube 1, the electrode lead-out device 4 is tightly attached to the electrode coating 3, the lower end of the electrode lead-out device is connected with the copper terminal 5, the sealing device 6 is sealed at the lower end opening of the quartz glass tube 1, and the copper terminal 5 penetrates through the sealing device 6 to extend out of the tube.
As shown in FIG. 2, the electrode coating 3 is formed by one or more pairs of silver paste materials which are silk-screen coated on the surface of the electrothermal film layer 2 on the inner wall of the quartz glass tube 1 along the longitudinal direction of the electrothermal film layer by adopting a semicircular sleeve silk screen device, and each pair of electrode coating 3 is symmetrically arranged along the longitudinal direction of the electrothermal film layer 2 by 180 degrees, and then the electrode coating 3 is dried and sintered.
The electrothermal film layer 2 comprises a high-purity silica pretreatment layer and a semiconductor oxide conductive layer, the quartz glass tube 1 adopts a high-purity quartz tube, the high-temperature solidified semiconductor electrothermal film layer is formed by longitudinally and uniformly spraying a nano semiconductor conductive precursor solution on the 360-degree circumference of the inner wall of the quartz tube by taking compressed air as a carrier and matching with ultrasonic atomization and a nozzle under the temperature condition of a 635-720 ℃ base material, and the thickness of the electrothermal film layer 4 is about 600 nm.
As shown in fig. 3, the electrode lead-out device 4 comprises two semicircular pieces 41, two pressure springs 42, an elastic copper sheet 43, a copper stud 44, a copper nut 45, a spring washer 46 and a flat washer 47, wherein the two semicircular pieces 41 are arranged at the blank position of the lower end pipe orifice of the quartz glass tube 1, the two semicircular pieces 41 are connected through the pressure springs 42, the side surfaces of the two semicircular pieces 41 are connected with the elastic copper sheet 43, the side surfaces of the elastic copper sheet 43 are contacted with the electrode coating 3, the lower end of the elastic copper sheet 43 is connected with the flat washer 47, the flat washer 47 is fixed at the lower end of the semicircular pieces 41 through the copper stud 44 and the copper nut 45, the spring washer 46 is arranged between the flat washer 47 and the copper nut 45, the spring washer 46 is sleeved on the copper stud 44, and one end of the copper stud 44 is connected with the copper terminal 5.
The inner side plane of the semicircular piece 41 is provided with two blind round holes in a left-right mode, the pressure springs 42 are arranged in the round holes, the mechanical pressure generated by the pressure springs 42 by the two semicircular pieces 41 ensures that the elastic copper piece 43 is tightly attached to the longitudinal electrode coating 3 in the quartz glass tube 1, and the electrodes are firmly and reliably connected in an electrified mode and high in safety performance.
As shown in fig. 4, the sealing device 6 includes a compression ring 61, a tubular base 62, an inner sealing sleeve 63, an electrode positioning sheet 64 and a high-temperature electronic sealing layer 65, the inner sealing sleeve 63 is disposed in the tubular base 62, the electrode positioning sheet 64 is mounted at the lower part of the tubular base 62, the inner sealing sleeve 63 is located above the electrode positioning sheet 64, the lower opening end of the quartz glass tube 1 is plugged into the inner sealing sleeve 63 through the compression ring 61, and the external thread on the compression ring 61 is screwed with the internal thread at the upper end of the inner ring of the tubular base 62 and compresses the inner sealing sleeve 63.
The bottom of the inner wall of the inner sealing sleeve 63 is provided with a groove and buckled into the lower opening end of the quartz glass tube 1, the corresponding position on the horizontal line of the center of the electrode positioning sheet 64 is provided with two through holes led out by the copper terminals 5, the high-temperature electronic pouring sealant is injected into the dispenser, and the sealant can prevent liquid leakage and strengthen insulation.
The lower end of the sealing device 6 is provided with high-temperature electronic pouring sealant, the high-temperature electronic pouring sealant is injected into the dispenser, the sealant is poured into a space formed by the lower end of the tubular base 62 and the electrode positioning sheet 64, the inner wall of the lower end of the tubular base 62 is provided with coarse threads, and the sealant is poured to the pipe orifice of the lower end of the tubular base 62 to be flush.
Claims (8)
1. The utility model provides a semiconductor electric heat membrane tubular electrical heating element, includes quartz glass tube (1), electric heat membrane layer (2), electrode coating (3), electrode extraction device (4), copper terminal (5) and sealing device (6), its characterized in that: the upper end of quartz glass tube (1) seals the lower extreme opening, coating has electrothermal film layer (2) on the inner wall of quartz glass tube (1), and both ends are equipped with the vertical blank district of different length about quartz glass tube (1) inner wall respectively, electrode coating (3) vertically coats on electrothermal film layer (2) and extends to quartz glass tube (1) lower extreme opening blank department, electrode extraction device (4) are hugged closely electrode coating (3) department and lower extreme and are connected extraction electrode with copper terminal (5), sealing device (6) seal in the lower extreme opening part of quartz glass tube (1), copper terminal (5) pass sealing device (6) and stretch out outside the pipe.
2. A semiconductor electrothermal film tube type electric heating element as claimed in claim 1, wherein: the electrode coating layers (3) are provided with one or more pairs, and each pair of electrode coating layers (3) is symmetrically arranged along the longitudinal direction of the electrothermal film layer (2) by 180 degrees.
3. A semiconductor electrothermal film tube type electric heating element as claimed in claim 1, wherein: the electrode leading-out device (4) comprises two semicircular pieces (41), two pressure springs (42), an elastic copper sheet (43), a copper stud (44), a copper nut (45), a spring gasket (46) and a flat gasket (47), wherein the two semicircular pieces (41) are arranged at the blank-keeping position of the lower end pipe orifice of the quartz glass pipe (1), the two semicircular pieces (41) are connected through the pressure springs (42), the side faces of the two semicircular pieces (41) are connected with the elastic copper sheet (43), the side faces of the elastic copper sheet (43) are in contact with the electrode coating (3), the lower end of the elastic copper sheet (43) is connected with the flat gasket (47), the flat gasket (47) is fixed at the lower end of the semicircular piece (41) through the copper stud (44) and the copper nut (45), and one end of the copper stud (44) is connected with the copper terminal (5).
4. A semiconductor electrothermal film tube type electric heating element as claimed in claim 3, wherein: two blind round holes are formed in the inner side plane of the semicircular piece (41) in a left-right mode, the pressure springs (42) are arranged in the round holes, and the elastic copper piece (43) is tightly attached to the longitudinal electrode coating (3) in the quartz glass tube (1) through pressure generated by the pressure springs (42) through the two semicircular pieces (41).
5. A semiconductor electrothermal film tube type electric heating element as claimed in claim 3, wherein: a spring gasket (46) is arranged between the flat gasket (47) and the copper nut (45), and the spring gasket (46) is sleeved on the copper stud (44).
6. A semiconductor electrothermal film tube type electric heating element as claimed in claim 1, wherein: sealing device (6) are including clamp ring (61), tubular base (62), interior seal cover (63), electrode spacer (64) and high temperature electron encapsulating layer (65), interior seal cover (63) set up in tubular base (62), electrode spacer (64) are equipped with to the lower part of tubular base (62), interior seal cover (63) are located the top of electrode spacer (64), interior seal cover (63) are plugged into through clamp ring (61) to the lower open end of quartz glass tube (1), external screw thread on clamp ring (61) closes and compresses tightly interior seal cover (63) with the internal screw thread of tubular base (62) inner circle upper end department.
7. A semiconductor electrothermal film tube type electric heating element according to claim 6, wherein: the bottom of the inner wall of the inner sealing sleeve (63) is provided with a groove and buckled into the lower opening end of the quartz glass tube (1), and the corresponding position on the central horizontal line of the electrode positioning sheet (64) is provided with two through holes for leading out the copper terminals (5).
8. A semiconductor electrothermal film tube type electric heating element according to claim 6, wherein: the lower end of the sealing device (6) is provided with high-temperature electronic pouring sealant, the glue is poured into a space formed by the lower end of the tubular base (62) and the electrode locating plate (64), the inner wall of the lower end of the tubular base (62) is provided with coarse threads, and the glue is poured into the pipe orifice of the lower end of the tubular base (62) to be flush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223136761.9U CN219421064U (en) | 2022-11-25 | 2022-11-25 | Semiconductor electrothermal film tube type electric heating element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223136761.9U CN219421064U (en) | 2022-11-25 | 2022-11-25 | Semiconductor electrothermal film tube type electric heating element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219421064U true CN219421064U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223136761.9U Active CN219421064U (en) | 2022-11-25 | 2022-11-25 | Semiconductor electrothermal film tube type electric heating element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219421064U (en) |
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- 2022-11-25 CN CN202223136761.9U patent/CN219421064U/en active Active
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