CN210202112U - PTC single-end heating pipe - Google Patents
PTC single-end heating pipe Download PDFInfo
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- CN210202112U CN210202112U CN201920459514.1U CN201920459514U CN210202112U CN 210202112 U CN210202112 U CN 210202112U CN 201920459514 U CN201920459514 U CN 201920459514U CN 210202112 U CN210202112 U CN 210202112U
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- stainless steel
- steel pipe
- ptc
- magnesium oxide
- lead
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Abstract
The utility model belongs to the heater technique, concretely relates to PTC single-end heating pipe. Comprises a PTC ceramic heating element; the bottom end of the stainless steel pipe is provided with a bottom cover, the stainless steel pipe is internally sleeved with a magnesium oxide sleeve, and the top of the stainless steel pipe is internally provided with a silica gel plug; two oppositely arranged aluminum strips are arranged in the magnesium oxide sleeve, a plurality of PTC ceramic heating elements are clamped between the aluminum strips, and adjacent PTC ceramic heating elements are separated by fragile talc fragments; the upper part of the aluminum strip is connected with a lead, and the top end of the lead passes through the silica gel plug and extends to the outside of the stainless steel pipe; the aluminum strip is of a semi-cylinder structure, the arc-shaped side surface is provided with a square groove along the radial direction, and the outer edges of the two ends are provided with strip-shaped bulges. The utility model discloses directly leave out magnesium oxide filling process, effectively solved a series of problems that lead to because of the high frequency vibrations when irritating the powder. The utility model discloses a PTC pottery is good, generate heat evenly in the middle of, has overcome the product defect problem of the bad or unable normal heating of electrical property that often appears in PTC single-end heating pipe production process.
Description
Technical Field
The utility model belongs to the heater technique, concretely relates to PTC single-end heating pipe.
Background
Along with the progress and innovation of science and technology, the PTC heating element has the advantages of small thermal resistance, high heat exchange efficiency, automatic constant temperature, power saving and the like, is particularly outstanding in safety performance, and cannot generate the phenomenon of 'red' on the surface of other electric heating tube heaters under any application condition, so that potential safety hazards such as scalding and fire disasters are caused, and the PTC heating element is widely applied to the fields of household heating and industrial constant temperature heating.
Most PTC single-end heating pipes in the current market adopt a magnesium oxide filling process to ensure the insulating property, and violent vibration is needed in the filling process to accelerate the filling speed of magnesium oxide so as to improve the density of magnesium oxide, but high-frequency vibration can cause the PTC ceramic heating element to loosen and displace, so that the electrical property of the product is poor. Meanwhile, the magnesium oxide powder may enter the electrode connection portion, so that the PTC ceramic heating element is broken and cannot be normally heated.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide a PTC single-end heating pipe.
For solving the technical problem, the utility model discloses a solution is:
providing a PTC single-head heating tube, which comprises a PTC ceramic heating element; also comprises a stainless steel pipe;
the bottom end of the stainless steel pipe is provided with a bottom cover, the stainless steel pipe is internally sleeved with a magnesium oxide sleeve, and the top of the stainless steel pipe is internally provided with a silica gel plug; two oppositely arranged aluminum strips are arranged in the magnesium oxide sleeve, a plurality of PTC ceramic heating elements are clamped between the aluminum strips, and adjacent PTC ceramic heating elements are separated by fragile talc fragments; the upper part of the aluminum strip is connected with a lead, and the top end of the lead passes through the silica gel plug and extends to the outside of the stainless steel pipe;
the aluminum strip is of a semi-cylinder structure, the arc-shaped side surface is provided with a square groove along the radial direction, and the outer edges of the two ends are provided with strip-shaped bulges.
As an improvement, the bottom of the magnesium oxide sleeve is internally provided with fragile steatite porcelain beads.
As an improvement, the top end of the stainless steel pipe is provided with a flange.
As an improvement, a fragile steatite ceramic plug is arranged between the silica gel plug and the aluminum strip.
As an improvement, a grounding lead is welded in the stainless steel tube.
As an improvement, the mouth of the stainless steel tube is sealed by epoxy resin.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the technical scheme of the utility model directly leave out magnesium oxide filling process, effectively solved a series of problems that lead to because of the high frequency vibrations when irritating the powder.
2. The utility model discloses a PTC pottery is good, generate heat evenly in the middle of, has overcome the product defect problem of the bad or unable normal heating of electrical property that often appears in PTC single-end heating pipe production process.
Drawings
FIG. 1 is a cross-sectional view of a PTC single-end heating tube according to the present invention;
FIG. 2 is a schematic view of a magnesium oxide sleeve according to the present invention;
fig. 3 is a schematic structural diagram of the aluminum strip of the present invention.
Fig. 4 is a structural cross-sectional view of the PTC single-ended heating tube of the present invention.
Description of reference numerals: the ceramic heating element comprises a 1-lead, a 2-ground lead, a 3-flange, 4-epoxy resin, a 5-silica gel plug, a 6-fragile steatite ceramic plug, a 7-magnesium oxide sleeve, an 8-aluminum strip, a 9-PTC ceramic heating element, a 10-fragile steatite ceramic chip, a 11-stainless steel pipe, a 12-fragile steatite ceramic bead and a 13-bottom cover.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
as shown in the attached drawings, a PTC single-ended heating tube comprises a PTC ceramic heating element 9; also comprises a stainless steel pipe 11;
the bottom end of the stainless steel tube 11 is provided with a bottom cover 13, the stainless steel tube 11 is internally sleeved with a magnesium oxide sleeve 7, and the top is internally provided with a silica gel plug 5. The top end of the stainless steel pipe 11 is provided with a flange 3. And a grounding lead 2 is welded in the stainless steel tube 11. The stainless steel tube 11 orifice is sealed with epoxy 4. Two oppositely arranged aluminum strips 8 are arranged in the magnesium oxide sleeve 7, a plurality of PTC ceramic heating elements 9 are clamped between the aluminum strips 8, and adjacent PTC ceramic heating elements 9 are separated by fragile talc fragments. The bottom of the magnesium oxide sleeve 7 is internally provided with fragile steatite porcelain beads 12. The upper part of the aluminum strip 8 is connected with the lead 1, and the top end of the lead 1 penetrates through the silica gel plug 5 and extends to the outside of the stainless steel tube 11;
the aluminum strip 8 is a semi-cylinder structure, the arc side surface of which is provided with a square groove along the radial direction, the groove is used for installing the lead 1, and the outer edges of two ends are provided with strip-shaped bulges. The combination of a group of two aluminum strips 8 is used for ensuring that the PTC ceramic heating element 9 and the breakable talcum ceramic chip 10 do not deviate, so that the assembly of staff is facilitated; and a fragile steatite porcelain plug 6 is arranged between the silica gel plug 5 and the aluminum sheet.
Finally, it is to be noted that the above-mentioned embodiments are only specific embodiments of the present invention. Obviously, the present invention is not limited to the above embodiments, and many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (6)
1. A PTC single-head heating tube comprises a PTC ceramic heating element; it is characterized by also comprising a stainless steel pipe;
the bottom end of the stainless steel pipe is provided with a bottom cover, the stainless steel pipe is internally sleeved with a magnesium oxide sleeve, and the top of the stainless steel pipe is internally provided with a silica gel plug; two oppositely arranged aluminum strips are arranged in the magnesium oxide sleeve, a plurality of PTC ceramic heating elements are clamped between the aluminum strips, and adjacent PTC ceramic heating elements are separated by fragile talc fragments; the upper part of the aluminum strip is connected with a lead, and the top end of the lead penetrates through the silica gel plug and extends to the outside of the stainless steel pipe;
the aluminum strip is of a semi-cylinder structure, the arc-shaped side surface is provided with a square groove along the radial direction, and the outer edges of the two ends are provided with strip-shaped bulges.
2. The heating tube of claim 1, wherein frangible steatite porcelain beads are provided within the bottom of the magnesium oxide sleeve.
3. The heating tube of claim 1, wherein the stainless steel tube is flanged at a top end thereof.
4. The heating tube of claim 1, wherein a frangible steatite porcelain plug is disposed between the silica gel plug and the aluminum sheet.
5. The heating pipe of claim 1, wherein a ground lead is further welded in the stainless steel pipe.
6. The heating tube of claim 1, wherein the stainless steel tube orifice is sealed with epoxy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920459514.1U CN210202112U (en) | 2019-04-08 | 2019-04-08 | PTC single-end heating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920459514.1U CN210202112U (en) | 2019-04-08 | 2019-04-08 | PTC single-end heating pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210202112U true CN210202112U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920459514.1U Active CN210202112U (en) | 2019-04-08 | 2019-04-08 | PTC single-end heating pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210202112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113905467A (en) * | 2021-11-04 | 2022-01-07 | 苏州法密利电子科技有限公司 | Improved PTC heater and preparation method thereof |
-
2019
- 2019-04-08 CN CN201920459514.1U patent/CN210202112U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113905467A (en) * | 2021-11-04 | 2022-01-07 | 苏州法密利电子科技有限公司 | Improved PTC heater and preparation method thereof |
| CN113905467B (en) * | 2021-11-04 | 2023-08-01 | 苏州法密利电子科技有限公司 | Improved PTC heater and preparation method thereof |
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