CN104185315A - Wave-shaped electric heating construction and manufacturing method thereof - Google Patents
Wave-shaped electric heating construction and manufacturing method thereof Download PDFInfo
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- CN104185315A CN104185315A CN201310198882.2A CN201310198882A CN104185315A CN 104185315 A CN104185315 A CN 104185315A CN 201310198882 A CN201310198882 A CN 201310198882A CN 104185315 A CN104185315 A CN 104185315A
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- electric heating
- outer tube
- undaform
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Abstract
The invention provides a manufacturing method for a wave-shaped electric heating construction and a finished product thereof. The method comprises the following steps: external tube preparation: an external tube of which the cross section presents to be elliptical is prepared by using a metal tube; electric heating sheet arrangement: a soft electric heating sheet is arranged in the internal part of the external tube; electric heating sheet wrapping and clamping by the external tube: the external tube is relatively clamped and pressed so that the external tube is flattened to wrap and clamp the electric heating sheet; and wave formation: the external tube is formed to be wave-shaped external tube via bending so that the wave-shaped electric heating construction is manufactured.
Description
Technical field
The present invention is relevant with electroheat equipment, in details of the words, and espespecially a kind of manufacture method of undaform electric heating structure.
Background technology
As shown in Figure 1, existing a kind of electric heating structure mainly comprises a thin electric heating sheet 1, two electric leads 2 and two conducting strips 3, wherein, this electric heating piece 1 is that a substrate 4 forms a loop 5 and forms in surface, this loop 5 is to be formed by electric conducting material, the two ends in this loop 5 are electrically connected with this electric lead 2 respectively respectively, when making electric current pass through this loop 5, heating heats up in this loop 5, respectively this conducting strip 3 is respectively the elongated lamellar body that heat conductivity and the good material of thermal endurance are made, this electric heating piece 1 is located in respectively between this conducting strip 3, according to the heat energy that this electric heating piece 1 is produced, passing through respectively this conducting strip 1 outwards transmits.
Because this electric heating piece 1 is located in respectively between this conducting strip 3, make that this electric heating piece 1 is unlikely directly to be contacted with external environment, avoid this loop 5 because ingress of air causes occurring the problem of vigorous oxidation phenomenon, the useful life of improving this electric heating piece 1.
Existing electric heating structure can, according to the demand that place is set, further be processed into various shapes, wherein, while making undaform electric heating structure if want, this electric heating piece 1 double team that can first be about to grow straight shape is in respectively between this conducting strip 3, make this electric heating piece 1 and this conducting strip 3 respectively be combined into the electric heating structure of long straight shape, utilize mould punching technology to be processed into the electric heating structure of undaform the electric heating structure of long and straight type again, but in the process of mould punching processing, easily cause this loop 5 fractures, cannot form current path, if be first about to respectively this conducting strip 3 respectively punching press become wavy, again by this electric heating piece 1 double team in respectively between this conducting strip 3, make accordingly the electric heating structure of undaform, but these two kinds of manufacture methods, all need be after undaform electric heating structure be made, utilize the binding members such as screw or rivet to make respectively these conducting strip 3 combinations, this measure will make the formation of electric heating structure complicated, and be unfavorable for the slimming of electric heating structure.
In addition, as shown in Figure 2, aforementioned existing electric heating structure optionally can be further after the relative sandwiched electric heating piece (not shown) of this conducting strip 3 respectively, utilize welding means by scolder (for example: tin) arrange in the edge of this conducting strip 3 respectively and form edge sealing 6, form accordingly the undaform electric heating structure with edge sealing 6, and this edge sealing 6 and respectively this conducting strip 3 join, by this edge sealing 1, make this electric heating piece more tight with blocking of the external world.
While wanting to make undaform electric heating structure as shown in Figure 2, if be first about to this electric heating piece and respectively these conducting strip 3 combinations, and arrange after this edge sealing 6 in these conducting strip 3 edges respectively, again the electric heating structure of long and straight type is processed into undaform, in the process of machine-shaping, because respectively this conducting strip 3 and this edge sealing 6 form relative stress to each other, easily make this edge sealing 6 and respectively the combination between this conducting strip 3 is destroyed, the problem that causes this edge sealing 6 to be peeled off, if at this electric heating piece and after respectively this conducting strip 3 combines, first being about to the electric heating structure of long and straight type is processed into undaform, in the edge of this conducting strip 3 respectively, arranging this edge sealing 6 again joins respectively this conducting strip 3, because these conducting strip 3 dual-sides respectively form wavy, improve this edge sealing 6 and arranged the degree of difficulty of operation.
In view of this, this case inventor actively creates research and development, and has eventually the present invention who innovates and have industrial value to produce.
Summary of the invention
Main purpose of the present invention is to provide a kind of manufacture method of undaform electric heating structure, by pioneering technique, reduces the manufacture degree of difficulty of undaform electric heating structure.
For meeting aforementioned expection object, the present invention is a kind of manufacture method of undaform electric heating structure, comprises the following step:
Prepare outer tube: get a metal tube, along this pipe fitting radially this pipe fitting is imposed to relative extruding, prepare accordingly cross section and be elliptoid outer tube;
Insert electric heating piece: a soft thin electric heating sheet is inserted to this outer tube inside, and two electric leads are electrically connected with this electric heating piece respectively;
Outer tube double team electric heating piece: the short-axis direction along this outer tube cross section clamps this outer tube relatively, make this outer tube flattening this electric heating piece of double team, and respectively one end of this electric lead and this electric heating piece are electrically connected, and the other end extends this outside pipe, for guiding electric current by this electric heating piece;
Wave moulding: by this outer tube curved prolong be shaped to wavy; Wherein, curved the prolonging in one end of this outer tube formed to a crest section, after this crest section sizing, keeping under the prerequisite of this crest section, curved the prolonging of outer tube formed to a trough section, and this trough section one end is connected with this crest section, after this trough section sizing, keeping under the prerequisite of trough section, repeat aforementioned operation, according to making this outer tube form several crest sections and several trough section, and respectively this crest section is connected with respectively this trough section is staggered, wavy according to this outer tube is shaped to together with this electric heating piece, for making undaform electric heating structure.
The manufacture method of foregoing undaform electric heating structure, wherein, after Wave formed step completes, carries out edge sealing and arranges step, makes accordingly the undaform electric heating structure with edge sealing; It is that the mouth of pipe at wavy these outer tube head and the tail two ends is arranged respectively to an edge sealing that this edge sealing is arranged step, and respectively this edge sealing seals respectively the two ends of this outer tube, for making undaform electric heating structure.
The manufacture method of foregoing undaform electric heating structure, wherein, this electric heating piece mainly consists of a soft substrate and a loop, this substrate surface is located in this loop, and this loop is to be formed by electric conducting material, these two ends, loop form respectively a contact, and this loop is electrically connected with this electric lead respectively respectively by this contact respectively.
The present invention further provides the undaform electric heating structure that the aforementioned manufacture method of a kind of foundation is made, comprise an outer tube, soft thin electric heating sheet and two electric leads, wherein, it is inner that this electric heating piece is located at this outer tube, respectively this electric lead is electrically connected with this electric heating piece respectively, be used for guiding electric current by this electric heating piece, according to this electric heating piece is heated up, generate heat, and by the external transferring heat energy of this outer tube;
This outer tube mainly consists of a plurality of crest sections and a plurality of trough section, and respectively this crest section is connected with respectively this trough section is staggered, for forming undaform electric heating structure.
Foregoing undaform electric heating structure, wherein, this outer tube two ends mouth of pipe is established respectively an edge sealing.
Accompanying drawing explanation
Fig. 1 is the three-dimensional exploded view of existing electric heating structure.
Fig. 2 is the stereogram of the existing electric heating structure of undaform.
Fig. 3 is the flow chart of first embodiment of the invention.
Fig. 4 is the schematic perspective view of the prepared outer tube of first embodiment of the invention.
Fig. 5 is the schematic perspective view that the electric heating piece of first embodiment of the invention is inserted outer tube.
Fig. 6 is the schematic perspective view that the outer tube double team electric heating piece of first embodiment of the invention completes.
Fig. 7 is the radial cross-section that the outer tube double team electric heating piece of first embodiment of the invention completes.
Fig. 8 is the schematic diagram () of first embodiment of the invention wave moulding.
Fig. 9 is the schematic diagram (two) of first embodiment of the invention wave moulding.
Figure 10 is the schematic diagram (three) of first embodiment of the invention wave moulding.
Figure 11 is the flow chart of second embodiment of the invention.
Figure 12 is the axial cross-sectional schematic of carrying out the undaform electric heating structure that second embodiment of the invention makes.
Description of reference numerals: 1-electric heating piece; 2-electric lead; 3-conducting strip; 4-substrate; 5-loop; 6-edge sealing; 10-outer tube; 20-electric heating piece; 22-substrate; 24-loop; 26-contact; 30-electric lead; 42-crest section; 44-trough section; 46-edge sealing.
Embodiment
For being obtained further, feature of the present invention and object thereof, effect understand and approval, hereby for feasible embodiment and coordinate after graphic being illustrated in.
As shown in Figure 3, manufacture method first embodiment of undaform electric heating structure of the present invention, comprises the following step:
Prepare outer tube: get a metal tube, along this pipe fitting radially this pipe fitting is imposed to relative extruding, prepared accordingly as Fig. 4 shows cross section and be elliptoid outer tube 10.
Insert electric heating piece: as shown in Figure 5, a soft thin electric heating sheet 20 is inserted to this outer tube 10 inside by one end of this outer tube 10, and the direction that this electric heating piece 20 launches to both sides is parallel in the long axis direction of ellipticity section with this outer tube 10; Wherein, this electric heating piece 20 mainly consists of a soft substrate 22 and a loop 24, this substrate 22 surfaces are located in this loop 24, and this loop 24 is formed by electric conducting material, the two ends in this loop 24 form respectively a contact 26, this loop 24 is passed through respectively this contact 26 and is electrically connected with an electric lead 30 respectively, for this loop, heats up and generates heat, and the concrete formation of this electric heating piece 20 is identical with existing soft electric heating piece.
Outer tube double team electric heating piece: the short-axis direction along these outer tube 10 cross sections clamps this outer tube 10 relatively, make these outer tube 10 flattenings this electric heating piece 20 of double team, complete the combination (as shown in FIG. 6 and 7) of this outer tube 10 and this electric heating piece 20, make accordingly the electric heating structure of long straight shape, and respectively one end of this electric lead 30 is electrically connected with this loop 24 in this outer tube 10 is inner, the other end extends this outer tube 10 outsides, and the heat energy that this electric heating piece 20 produces outwards transmits by this outer tube 10.
Wave moulding: by this outer tube 10 curved prolong be shaped to wavy, wherein, as Fig. 8 shows, first curved the prolonging in one end of this outer tube 10 formed to a crest section 42, after these crest section 42 sizings, as Fig. 9 shows, this crest section 42 is being kept under the prerequisite of sizing, curved the prolonging of part that outer tube 10 is adjacent with this crest section 42 forms a trough section 44, these trough section 44 one end are connected with this crest section 42, after these trough section 44 sizings, in this trough section 44, keep under the prerequisite of sizing, this outer tube 10 part adjacent with this trough section 44 carried out to the moulding of another crest section, repeat aforementioned operation, can by this outer tube 10 sequentially curved prolonging form several crest sections 42 and several trough section 44, and respectively this crest section 42 is connected with respectively this trough section 44 is staggered, according to making this outer tube 10 be shaped to wavy together with this electric heating piece 20, for making undaform electric heating structure.
Aforementioned manufacture method is in advance by this this electric heating piece 20 of outer tube 10 double teams, again this outer tube 10 is imposed to wave processing and forming, make long straight shape electric heating be constructed to undaform electric heating structure, in the process of wave moulding, this outer tube 10 and this electric heating piece 20 still can keep integrality, in addition, the present invention is in the process of wave moulding, take first moulding one crest section, after this crest section sizing, reshaping one trough section is connected with this crest section, after this trough section sizing, another crest section of reshaping is connected with this trough section, the so staggered moulding of carrying out crest section and trough section, the internal stress that this outer tube 10 and this electric heating piece 20 produce in wave forming process is released, the distortion of avoiding this outer tube 10 to meet accident after wave moulding completes, improve the reliability of manufacturing undaform electric heating structure.
Second embodiment of the invention is change and obtain according to the first embodiment, exists together mutually and does not repeat to repeat for this reason; As shown in figure 11, second embodiment of the invention, after Wave formed step completes, is carried out edge sealing and is arranged step, makes accordingly the undaform electric heating structure with edge sealing; Wherein, it is that the mouth of pipe at wavy outer tube 10 head and the tail two ends is arranged respectively to an edge sealing 46 (as shown in figure 12) that edge sealing is arranged step, to seal respectively the two ends of this outer tube 10 by this edge sealing 46 respectively, for making undaform electric heating structure.
Second embodiment of the invention, after wave moulding, only needs the head and the tail two ends of this outer tube 10 to carry out edge sealing, this electric heating piece 20 effectively can be blocked with the external world, and linearly respectively due to the edge at these outer tube 10 head and the tail two ends, edge sealing processing ease carries out.
As shown in figure 12, carry out the made undaform electric heating structure of aforementioned manufacture method preferred embodiment and comprise an outer tube 10, one soft thin electric heating sheet 20, two electric leads 30 and two edge sealing 46, wherein, this electric heating piece 20 is located at this outer tube 10 inside, respectively this edge sealing 46 is located at respectively this outer tube 10 two ends mouths of pipe, respectively this electric lead 30 is electrically connected with this electric heating piece 20 respectively, be used for guiding electric current by this electric heating piece 20, according to being heated up, this electric heating piece 20 generates heat, and by the external transferring heat energy of this outer tube 10, this outer tube 10 mainly consists of a plurality of crest sections 42 and a plurality of trough section 44, respectively this crest section 42 is connected with respectively this trough section 44 is staggered, for forming undaform electric heating structure.
More than explanation is just illustrative for the purpose of the present invention, and nonrestrictive, those of ordinary skills understand; in the situation that do not depart from the spirit and scope that following claims limit, can make many modifications, change; or equivalence, but all will fall within the scope of protection of the present invention.
Claims (5)
1. a manufacture method for undaform electric heating structure, is characterized in that, comprises the following step:
Prepare outer tube: get a metal tube, along this pipe fitting radially this pipe fitting is imposed to relative extruding, prepare accordingly cross section and be elliptoid outer tube;
Insert electric heating piece: a soft thin electric heating sheet is inserted to this outer tube inside, and two electric leads are electrically connected with this electric heating piece respectively;
Outer tube double team electric heating piece: the short-axis direction along this outer tube cross section clamps this outer tube relatively, make this outer tube flattening this electric heating piece of double team, and respectively one end of this electric lead and this electric heating piece are electrically connected, and the other end extends this outside pipe, for guiding electric current by this electric heating piece;
Wave moulding: by this outer tube curved prolong be shaped to wavy; Wherein, curved the prolonging in one end of this outer tube formed to a crest section, after this crest section sizing, keeping under the prerequisite of this crest section, curved the prolonging of outer tube formed to a trough section, and this trough section one end is connected with this crest section, after this trough section sizing, keeping under the prerequisite of trough section, repeat aforementioned operation, according to making this outer tube form several crest sections and several trough section, and respectively this crest section is connected with respectively this trough section is staggered, wavy according to this outer tube is shaped to together with this electric heating piece, for making undaform electric heating structure.
2. the manufacture method of undaform electric heating structure according to claim 1, is characterized in that, after Wave formed step completes, carries out edge sealing and arranges step, makes accordingly the undaform electric heating structure with edge sealing; It is that the mouth of pipe at wavy these outer tube head and the tail two ends is arranged respectively to an edge sealing that this edge sealing is arranged step, and respectively this edge sealing seals respectively the two ends of this outer tube, for making undaform electric heating structure.
3. the manufacture method that undaform electric heating according to claim 1 and 2 is constructed, it is characterized in that, this electric heating piece mainly consists of a soft substrate and a loop, this substrate surface is located in this loop, and this loop is to be formed by electric conducting material, these two ends, loop form respectively a contact, and this loop is electrically connected with this electric lead respectively respectively by this contact respectively.
4. the undaform electric heating that manufacture method is made is according to claim 1 constructed, it is characterized in that, comprise an outer tube, soft thin electric heating sheet and two electric leads, wherein, it is inner that this electric heating piece is located at this outer tube, and respectively this electric lead is electrically connected with this electric heating piece respectively, for guiding electric current by this electric heating piece, according to being heated up, this electric heating piece generates heat, and by the external transferring heat energy of this outer tube;
This outer tube mainly consists of a plurality of crest sections and a plurality of trough section, and respectively this crest section is connected with respectively this trough section is staggered, for forming undaform electric heating structure.
5. undaform electric heating structure according to claim 4, is characterized in that, this outer tube two ends mouth of pipe is established respectively an edge sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310198882.2A CN104185315A (en) | 2013-05-24 | 2013-05-24 | Wave-shaped electric heating construction and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310198882.2A CN104185315A (en) | 2013-05-24 | 2013-05-24 | Wave-shaped electric heating construction and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104185315A true CN104185315A (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310198882.2A Pending CN104185315A (en) | 2013-05-24 | 2013-05-24 | Wave-shaped electric heating construction and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN104185315A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2157884A (en) * | 1935-05-21 | 1939-05-09 | Charistian B Backer | Electric heating element |
| EP2384837A2 (en) * | 2010-05-03 | 2011-11-09 | Benteler Automobiltechnik GmbH | Heat exchanger and method for manufacturing a heat exchanger pipe |
| CN202750253U (en) * | 2012-08-24 | 2013-02-20 | 东莞常平佐野五金配件厂 | Wave-shaped heating rod |
-
2013
- 2013-05-24 CN CN201310198882.2A patent/CN104185315A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2157884A (en) * | 1935-05-21 | 1939-05-09 | Charistian B Backer | Electric heating element |
| EP2384837A2 (en) * | 2010-05-03 | 2011-11-09 | Benteler Automobiltechnik GmbH | Heat exchanger and method for manufacturing a heat exchanger pipe |
| CN202750253U (en) * | 2012-08-24 | 2013-02-20 | 东莞常平佐野五金配件厂 | Wave-shaped heating rod |
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Application publication date: 20141203 |
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| WD01 | Invention patent application deemed withdrawn after publication |