CN215222523U - Single-double-end electric heating tube capable of independently controlling temperature - Google Patents
Single-double-end electric heating tube capable of independently controlling temperature Download PDFInfo
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- CN215222523U CN215222523U CN202120998024.6U CN202120998024U CN215222523U CN 215222523 U CN215222523 U CN 215222523U CN 202120998024 U CN202120998024 U CN 202120998024U CN 215222523 U CN215222523 U CN 215222523U
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- Prior art keywords
- hole
- insulating rod
- central
- edge
- heating wire
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- Expired - Fee Related
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- 238000005485 electric heating Methods 0.000 title claims description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 71
- 239000000945 filler Substances 0.000 claims abstract description 5
- 238000000605 extraction Methods 0.000 claims 2
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229910000897 Babbitt (metal) Inorganic materials 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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Abstract
The utility model discloses a single double-end can control temperature electrothermal tube alone, include: the insulating rod is arranged in the tubular shell, and insulating filler is filled between the tubular shell and the insulating rod; at least two sections of heating wires are sequentially wound on the insulating rod from left to right, a central through hole and at least two edge through holes are formed in the insulating rod, one end of each heating wire is led in from the central through hole, and the other end of each heating wire is led out from the edge through holes. The utility model discloses can design the operating condition of each section heating wire according to the heat dissipation condition of the object of being heated, through independent control, realize by the highly uniform of heating part surface temperature.
Description
Technical Field
The utility model relates to an electrothermal tube, in particular to a single-double-end electrothermal tube capable of independently controlling the temperature.
Background
The electrothermal tube is made up by filling high-resistance electrothermal alloy wire heating material in metal tube, filling and filling the periphery of electrothermal wire, and has good insulating property, and uses high-purity magnesium oxide with high heat conductivity coefficient as filling material. The single-end heating pipe can be widely applied to heating water, oil, air, nitrate solution, acid solution, alkali solution and low melting point metal (aluminum, zinc, tin and babbitt metal).
The existing electric heating tube is mostly a one-section type electric heating tube, an electric heating wire is arranged in a metal tube, the working mode is full-forehead work, two ends of the electric heating tube are respectively provided with a non-heating section of about 10mm, and the temperature of the two ends is lower than that of the middle section in the working process. In one application, the electrothermal tube needs to be arranged in the metal block for heating the metal block, two more radiating surfaces are arranged at two ends of the metal block, so that the temperature at two ends of the metal block is low, the temperature at the middle is high during heating, and a customer has the defect that segmented control cannot be realized at different positions of the heater during use.
Present patent CN 208707972U discloses an electric heater that multistage heating can monitor temperature respectively, including casing and the heating wire of setting in the casing, wherein, the heating wire has 3 sections at least, set gradually these 3 sections heating wires from the one end to the other end of casing, each section heating wire external power source of separate connection, fill high temperature resistant heat conduction material between heating wire and the casing, independent setting between every section heating wire in this scheme, steerable appointed heating wire section generates heat, its shortcoming is that heating wire lead-out wire end is more, if will keep the safe distance between the coiling part of heating wire and the lead-out wire, then need great casing space, the heating effect of heating wire to the casing is influenced in the again expansion of tubulose space, application scope is little.
Thus, there is a need for improvements in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a single double-end can control the temperature electrothermal tube alone for solve above-mentioned problem.
The utility model discloses a technical scheme be:
a single-head and double-head electric heating tube capable of independently controlling temperature is provided, which comprises: the insulating rod is arranged in the tubular shell, and insulating filler is filled between the tubular shell and the insulating rod; at least two sections of heating wires are sequentially wound on the insulating rod from left to right, a central through hole and at least two edge through holes are formed in the insulating rod, one end of each heating wire is led in from the central through hole, and the other end of each heating wire is led out from the edge through holes.
Furthermore, a leading-out rod is arranged in the central through hole, and the leading-in end of each section of the electric heating wire is connected with the leading-out rod.
Furthermore, the central through hole is arranged on the central axis of the insulating rod, the edge through holes are parallel to the central through hole, and the edge through holes are uniformly distributed around the central through hole.
Further, at least two lead-in holes are arranged from the central through hole to the outer surface of the insulating rod, and at least one lead-out hole is arranged from the edge through hole to the outer surface of the insulating rod.
Further, at least one introduction hole is provided from the central through hole to an outer surface of the insulating rod, and in this case, one introduction hole may be shared by two adjacent segments of the heating wires.
Further, the introducing hole and the leading-out hole are perpendicular to the central axis of the insulating rod.
Furthermore, the lead-in holes and the lead-out holes are designed at equal angles when viewed from the left end surface and the right end surface of the insulating rod.
The utility model discloses but single double-end accuse temperature electrothermal tube alone's beneficial effect is:
1. the electric heating wire and the leading-out rod are separated by the insulating rod with a porous design, so that a good insulating effect is achieved, and the safe use of the electric heating tube is ensured;
2. the porous design enables the electric heating wire to have a compact structure, the volume of the electric heating tube can be effectively reduced, the heating effect is improved, and the application range is expanded;
3. the working state of each section of the electric heating wire can be designed according to the heat dissipation condition of the heated object, and the surface temperature of the heated parts is highly consistent through independent control.
Drawings
Fig. 1 is a cross-sectional view of a first embodiment of the present invention;
fig. 2 is a plan view of the first embodiment of the present invention;
fig. 3 is a side view of a first embodiment of the present invention;
fig. 4 is a cross-sectional view of a second embodiment of the present invention;
fig. 5 is a top view of a second embodiment of the present invention;
fig. 6 is a side view of a second embodiment of the present invention;
FIG. 7 is a detail view of section A of FIG. 4;
the parts in the drawings are numbered as follows: 1. a tubular housing, 2, an insulating rod, 3, an insulating filler, 4, a first heating wire, 5, a second heating wire, 6, a third heating wire, 7, a fourth heating wire, 21, a central through hole, 22, a first edge through hole, 23, a second edge through hole, 24, a third edge through hole, 25, a fourth edge through hole, 211, a first introduction hole, 212, a second introduction hole, 213, a third introduction hole, 214, a fourth introduction hole, 221, a first lead-out hole, 231, a second lead-out hole, 241, a third lead-out hole, 251, a fourth lead-out hole.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "horizontal", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1 to 3, a first embodiment of the present invention provides a single-head and dual-head electric heating tube capable of controlling temperature independently, comprising: the insulation device comprises a tubular shell 1 and an insulation rod 2 arranged in the tubular shell 1, wherein an insulation filler 3 is filled between the tubular shell 1 and the insulation rod; a first heating wire 4 and a second heating wire 5 are sequentially wound on the insulating rod 2 from left to right.
The insulating rod 2 is internally provided with a central through hole 21, a first edge through hole 22 and a second edge through hole 23, wherein the central through hole 21 is arranged on the central axis of the insulating rod 2, and the first edge through hole 22 and the second edge through hole 23 are parallel to the central through hole 21 and symmetrically arranged on two sides of the central through hole 21.
A first lead-in hole 211 and a second lead-in hole 212 are formed from the central through hole 21 to the outer surface of the insulating rod 2, a first lead-out hole 221 is formed from the first edge through hole 22 to the outer surface of the insulating rod 2, a second lead-out hole 231 is formed from the second edge through hole 23 to the outer surface of the insulating rod 2, and the first lead-in hole 211, the first lead-out hole 221, the second lead-in hole 212 and the second lead-out hole 231 are formed in this order from left to right along the central axis direction of the insulating rod 2.
The left end of the first heating wire 4 enters the central through hole 21 from the first introduction hole 211, the right end enters the first edge through hole 22 from the first lead-out hole 221, the left end of the second heating wire 5 enters the central through hole 21 from the second introduction hole 211, and the right end enters the second edge through hole 23 from the second lead-out hole 231.
Specifically, a lead-out rod (not shown) is provided in the central through hole 21, and lead-in ends of the first and second heating wires 4 and 5 are connected to the lead-out rod.
The utility model discloses the steerable first heating wire is generated heat alone, the second heating wire is generated heat alone or first, two heating wires generate heat simultaneously to two sections temperatures about the adjustment electrothermal tube, with this adjustment by the temperature on heating part surface.
It is right that the first embodiment of the present invention can be further optimized, the scheme is as follows:
only a first lead-in hole 211 is arranged from the central through hole 21 to the outer surface of the insulating rod 2, along the central axis direction of the insulating rod 2, a first lead-out hole 221, a first lead-in hole 211 and a second lead-out hole 231 are sequentially arranged from left to right, the left end of the first heating wire 4 enters the first edge through hole 22 from the first lead-out hole 221, the right end of the second heating wire 5 enters the second edge through hole 23 from the second lead-out hole 231, and the right end of the first heating wire 4 and the left end of the second heating wire 5 both enter the central through hole 21 through the first lead-in hole 211.
Referring to fig. 3, the first inlet hole 211, the first outlet hole 221, the second inlet hole 212, and the second outlet hole 231 are perpendicular to the central axis of the insulating rod 2, such that the heating wire is closest to the outer surface of the insulating rod from the through hole.
Referring to fig. 4 to 7, in the second embodiment of the present invention, four sections of heating wires, namely, a first heating wire 4, a second heating wire 5, a third heating wire 6 and a fourth heating wire 7, are sequentially wound on the insulating rod 2 from left to right.
The insulating rod 2 is internally provided with a central through hole 21, a first edge through hole 22, a second edge through hole 23, a third edge through hole 24 and a fourth edge through hole 25, wherein the central through hole 21 is arranged on the central axis of the insulating rod 2, and the first edge through hole 22, the second edge through hole 23, the third edge through hole 24 and the fourth edge through hole 25 are parallel to the central through hole 21 and are uniformly distributed around the central through hole 21.
A first lead-in hole 211, a second lead-in hole 212, a third lead-in hole 213, and a fourth lead-in hole 214 are provided from the central through hole 21 to the outer surface of the insulating rod 2, a first lead-out hole 221 is provided from the first edge through hole 22 to the outer surface of the insulating rod 2, a second lead-out hole 231 is provided from the second edge through hole 23 to the outer surface of the insulating rod 2, a third lead-out hole 241 is provided from the third edge through hole 24 to the outer surface of the insulating rod 2, and a fourth lead-out hole 251 is provided from the fourth edge through hole 25 to the outer surface of the insulating rod 2, the first lead-in hole 211, the first lead-out hole 221, the second lead-in hole 212, the second lead-out hole 231, the third lead-in hole 213, the third lead-out hole 241, the fourth lead-in hole 214, and the fourth lead-out hole 251 being arranged in order from left to right along the central axis direction of the insulating rod 2.
The left end of the first heating wire 4 enters the central through hole 21 from the first introduction hole 211, the right end enters the first edge through hole 22 from the first lead-out hole 221, the left end of the second heating wire 5 enters the central through hole 21 from the second introduction hole 211, the right end enters the second edge through hole 23 from the second lead-out hole 231, the left end of the third heating wire 6 enters the central through hole 21 from the third introduction hole 213, the right end enters the third edge through hole 24 from the third lead-out hole 241, the left end of the fourth heating wire 7 enters the central through hole 21 from the fourth introduction hole 214, and the right end enters the fourth edge through hole 25 from the fourth lead-out hole 251.
Specifically, a lead-out rod (not shown) is provided in the central through hole 21, and lead-in ends of the first heating wire 4, the second heating wire 5, the third heating wire 6, and the fourth heating wire 7 are connected to the lead-out rod.
Referring to fig. 6, the first inlet hole 211, the first outlet hole 221, the second inlet hole 212, the second outlet hole 231, the third inlet hole 213, the third outlet hole 241, the fourth inlet hole 214, and the fourth outlet hole 251 are perpendicular to the central axis of the insulating rod 2, such that the heating wire is closest to the outer surface of the insulating rod from the through hole.
Specifically, the angle design between each lead-in hole and each lead-out hole is equal when viewed from a side view (namely, when viewed from the left end face and the right end face of the insulating rod), the space of the insulating rod can be utilized to a greater extent during winding, all sections of electric heating wires are tightly connected, and the structure is reasonable and compact.
The rest is the same as the first embodiment of the present invention.
It is right the utility model discloses the second embodiment also can do further optimization for hole is introduced to first, two heating wires sharing one, and hole is introduced to third, four heating wires sharing one, and the optimization scheme of first embodiment is referred to the method, and here is no longer repeated.
The utility model discloses the steerable four sections heating wires of second embodiment are alone, generate heat in turn or simultaneously to the surface temperature of adjustment electrothermal tube, the lower defect of the better temperature of both ends heat dissipation when heating the metal block in order to solve a customer, can first, four heating wires of independent control, prolong its operating time, make by heating part surface temperature highly uniform, equally, the customer can use three-section or five sections heating wires to realize independent control.
The utility model discloses but single double-end accuse temperature electrothermal tube alone's beneficial effect is:
1. the electric heating wire and the leading-out rod are separated by the insulating rod with a porous design, so that a good insulating effect is achieved, and the safe use of the electric heating tube is ensured;
2. the porous design enables the electric heating wire to have a compact structure, the volume of the electric heating tube can be effectively reduced, the heating effect is improved, and the application range is expanded;
3. the working state of each section of the electric heating wire can be designed according to the heat dissipation condition of the heated object, and the surface temperature of the heated parts is highly consistent through independent control.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. A single-double-end independent temperature control electric heating tube is characterized by comprising: the insulating rod is arranged in the tubular shell, and insulating filler is filled between the tubular shell and the insulating rod; at least two sections of heating wires are sequentially wound on the insulating rod from left to right, a central through hole and at least two edge through holes are formed in the insulating rod, one end of each heating wire is led in from the central through hole, and the other end of each heating wire is led out from the edge through holes.
2. The single-head and double-head electric heating tube capable of independently controlling temperature according to claim 1, wherein an extraction rod is arranged in the central through hole, and an introduction end of each section of the electric heating wire is connected with the extraction rod.
3. The single-ended and double-ended independently temperature-controllable electrothermal tube of claim 1, wherein the central through hole is disposed on a central axis of the insulating rod, the edge through holes are parallel to the central through hole, and each of the edge through holes is uniformly distributed around the central through hole.
4. The single-ended and double-ended independently temperature-controllable electrothermal tube according to claim 1, wherein at least two lead-in holes are formed from the central through hole to the outer surface of the insulating rod, and at least one lead-out hole is formed from the edge through hole to the outer surface of the insulating rod.
5. The single-ended and single-ended electrothermal tube according to claim 4, wherein at least one inlet is provided from the central through hole to the outer surface of the insulating rod, and in this case, two adjacent segments of the heating wires can share one inlet.
6. The single-ended and double-ended independently temperature-controllable electrothermal tube of claim 4, wherein the inlet and outlet holes are perpendicular to the central axis of the insulating rod.
7. The single-ended and double-ended independently temperature-controllable electrothermal tube of claim 5, wherein each of the inlet and outlet holes is formed at an equal angle when viewed from both left and right end faces of the insulating rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120998024.6U CN215222523U (en) | 2021-05-11 | 2021-05-11 | Single-double-end electric heating tube capable of independently controlling temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120998024.6U CN215222523U (en) | 2021-05-11 | 2021-05-11 | Single-double-end electric heating tube capable of independently controlling temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215222523U true CN215222523U (en) | 2021-12-17 |
Family
ID=79418331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120998024.6U Expired - Fee Related CN215222523U (en) | 2021-05-11 | 2021-05-11 | Single-double-end electric heating tube capable of independently controlling temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215222523U (en) |
-
2021
- 2021-05-11 CN CN202120998024.6U patent/CN215222523U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |