CN2293166Y - Electric heater - Google Patents
Electric heater Download PDFInfo
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- CN2293166Y CN2293166Y CN 95210677 CN95210677U CN2293166Y CN 2293166 Y CN2293166 Y CN 2293166Y CN 95210677 CN95210677 CN 95210677 CN 95210677 U CN95210677 U CN 95210677U CN 2293166 Y CN2293166 Y CN 2293166Y
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- electric heater
- matrix
- heat
- electrothermal tube
- heating wire
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Abstract
The utility model relates to a late-model electric heater which adopts a structure that material with good heat conducting performance and common material are composite. A space which can be used for holding heating wires is increased, which leads the surface load of the space to be decreased. A combination electric heater is characterized in that a plurality of heating elements are inserted into a basal body, the heating element can be replaced, and the combination electric heater can be repaired. A direct electric heater is characterized in that heating wires, insulating packing and a basal body are compactly sealed to form the direct electric heater, and heat is directly conducted. A heat inhibiting electric heater is characterized in that a heating element is positioned in a basal body with oil, and the heat inertia is inhibited by hot and cold oil alternately. A derivative heat inhibiting electric heater is characterized in that the electric heater is provided with a cooling passage, and a cooling body flows to inhibit the heat inertia and enhance the temperature controlled precision. The utility model belongs to the field of electric appliances. The utility model can be used in plastic mechanical devices, chemical fiber mechanical devices, light industrial mechanical devices, petrifaction mechanical devices, chemical industry mechanical devices, etc.
Description
The utility model relates to the electric heating appliance in the electrical apparatus industry.
Existing electric heater has mica metallic plate sheet electric heater, pottery and carborundum electric heater, cast aluminium electric heater, wherein cast aluminium be use wide, generally acknowledge a kind of preferably.To be the mode that adopts casting be embedded in an electric heating tube that bends to definite shape among the body for it, have that long service life, vibration resistance, dielectric strength are big, the characteristics of good heat conductivity, if, also can obtain comparatively ideal and the supporting precision of main frame through after the suitable cut.Because the cast aluminium electric heater only adopts an electrothermal tube, wherein the surface loading of heating wire is always bigger than normal, generally at 20~30W/cm
2About, thereby influence useful life, electrothermal tube crooked and arrange can not be well-balanced and intensive etc. in addition, the uniformity coefficient of temperature is not ideal, moreover be volume big (general section is thick 〉=20mm), it is many not only to consume aluminium, and thermal inertia is big, to energy-conservation, improve temperature-controlled precision, it is all unfavorable to reduce cost etc., and the high temperature aluminum liquation is to the impact of electrothermal tube when casting in addition, make it should have be affected useful life, External Defect is difficult to remedy behind the casting, and internal flaw is difficult to find, and after heating wire blows, do not have any way reparation, whole electric heater is discarded thereupon.
The purpose of this utility model is to provide a kind of surface loading of heating wire little, volume is little, thermal inertia is little, heat transfer efficiency is high, energy-conservation and can be supporting, easy to install with various dissimilar main frames, the novel electric heater of long service life.
Solution of the present utility model is: the structure that the metal material of matrix adopting good heat conductivity is mutually compound with the common metal material, in matrix, increase the useful space position that to lay heating wire, to strengthen the sectional area and the length of heating wire, reduce the surface loading of heating wire.
The concrete structure pattern is as follows:
1, composite type: on by heat carrier and the compound matrix that constitutes of combination, be provided with through hole or half hole, electrothermal tube is placed in the through hole or half hole of matrix, and the mica dividing plate is housed at the terminals of drawing of electrothermal tube, again two particular power source wiring pile crowns on the drawing the wiring pile crown and be fixed on matrix of electrothermal tube are linked to each other with brace.
2, direct-type: in the matrix that constitutes by heat carrier and combination, put into equably wherein making and being connected to the heating wire and the heat-resistant insulation material of drawing the wiring pile crown at two ends, and compress compacting, make heating wire with the isolated situation of air under heating power.
3, press down hot type: in the matrix that constitutes by heat carrier and combination, electrothermal tube or other electric heating element are placed among the matrix that fills with oil.
4, derivation presses down hot type: electric heater is provided with the cooling duct.
The utility model compared with prior art, the beneficial effect that is had is:
Composite type and other pattern that derive to develop thereof, press down hot type and utilized the locus fully, the electrothermal tube total length is increased, cause the surface loading of heating wire to reduce, and broken away from the unfavorable factor of casting process, can improve 8~10 times useful life; After the long-term service failure of electrothermal tube, can renew as before once changing, thereby remedy the defective that prior art can not be repaired in addition.
Heating wire in other pattern that direct-type and derivation thereof develop, completely cutting off not oxidation of heating power and stable vibration resistance down with air, space in the matrix is more convenient for making full use of, thereby the surface loading of heating wire is more reduced, so can improve 8~10 times equally useful life, metal material is not only saved in the direct heat conduction of matrix, and has improved heat transfer efficiency.
Press down hot type and derive from and press down hot type, take away surplus heat with cooling fluid in internal flow, and the utility model itself just has the essential characteristic that volume is little, thermal inertia is little, its effect is more remarkable.
Accompanying drawing has provided the embodiment of the utility model electric heater:
Fig. 1-2 is the structural representation of the utility model embodiment 1.
Fig. 3 is the axial cutaway view that the utility model embodiment 1 presses Fig. 1-2 electrothermal tube.
Fig. 4 is the structural representation of particular power source wiring pile crown among the utility model embodiment 1.
Fig. 5-15 is the structural representation that electrothermal tube and the through hole or half hole of matrix cooperate or make up among the utility model embodiment 1.
Figure 16-19 is the utility model embodiment 1 matrix composite construction schematic diagram.
Figure 20 is the structural representation of the utility model embodiment 2.
Figure 21 is the structural representation of the utility model embodiment 3.
Figure 22 is the structural representation of mouth in parallel among the utility model embodiment 3.
Figure 23-25 is the structural representation of the utility model embodiment 4.
Below in conjunction with accompanying drawing the utility model electric heater embodiment is described in detail:
1, embodiment 1 combined electrical heater:
Fig. 1-2 shows the utility model fabricated structure.Electrothermal tube (1) inserts in the through hole of matrix (2), brace (3) with electrothermal tube draw the wiring pile crown and two particular power source wiring pile crowns (4) that are fixed on the matrix (2) connect into the two-phase circuit.(Fig. 1 is when electrothermal tube is not too intensive, and the cross section of matrix becomes the peak valley shape; Fig. 2 is that the cross section of matrix becomes concentric shape when electrothermal tube comparatively dense or specific (special) requirements, if electric heater is the dull and stereotyped parallel shape that then is.)
Fig. 3 shows that the terminals of drawing at electrothermal tube are equipped with mica dividing plate (5), and the insulating shield (8) that will be lined with micarex (7) inserts in the matrix (2), and support (6) is done further stable.
Fig. 4 shows that particular power source wiring pile crown is an integral body of not conducting of two ends, isolates with electroceramics (11) between power supply wiring stud (9) and the fixing stud (10), not only be fixed on matrix (2) but on but energized.
Fig. 5-15 shows that electrothermal tube and matrix multiple non exhaustive cooperating or combining structure: Fig. 5 is Cylinder interference stationary fit, and electrothermal tube (1) close-fitting is in the through hole of matrix (2); Fig. 6 is that cone cooperates, electrothermal tube (1) from microcephaly's close-fitting the through hole of matrix (2); Fig. 7 has externally threaded electrothermal tube (1) screw-in and has in the through hole of internal thread matrix (2) for being threaded into cooperation; Fig. 8 is the open pore resilient engagement, and electrothermal tube (1) close-fitting is used its opening of asbestos (12) embedding again in the open pore of matrix (2); Fig. 9 is locked for inclined open pore bolt, and electrothermal tube (1) fits in the inclined open hole of matrix (2), with bolt (13) locking, uses its opening of asbestos (12) embedding again; Figure 10 is locked for width of cloth formula open pore bolt, and electrothermal tube (1) fits in the width of cloth formula open hole of matrix (2), with bolt (13) and nut (14) locking, uses its opening of asbestos (12) embedding again; Figure 11 is the screw in compression combination, and electrothermal tube (1) fits in the through hole of matrix (2), with arc briquetting (15) protection, compresses with screw (16) more earlier; Figure 12 is the combination of monomer gland, and electrothermal tube (1) places half hole of heat carrier (18), earlier with the top of asbestos (12) parcel electrothermal tubes (1), compresses respectively with monomer gland (17) and bolt (13) and nut (14) again; Figure 13 is conjuncted gland combination, and electrothermal tube (1) places half hole of heat carrier (18), wraps up the top of electrothermal tube (1) earlier with asbestos, fixes the two ends of conjuncted gland (19) again, and compresses at its grain tank place; Figure 14 inlays combination outward for monomer, and electrothermal tube (1) places the through hole or half hole of the outer mold insert (20) of monomer, compresses with heat carrier (18) respectively with bolt (13) and nut (14); Figure 15 is conjuncted outer edge combination, and electrothermal tube (1) places the through hole or half hole of conjuncted outer mold insert (21), closely combines with heat carrier (18) again.These two kinds outer edge combinations have can with non-dismountable two kinds, the hole of wherein placing electrothermal tube also has all or part ofly inlays on the body two kinds etc. outside.(above Figure 12-15 shows that directly matrix is a composite construction, and Fig. 5-11 only shows the mated condition of electrothermal tube and matrix, also can make composite construction simultaneously).
Figure 16-19 shows that multiple non exhaustive composite construction: Figure 16 is for all imbedding structure in addition for matrix, and metal tube (22) is all imbedded in the heat carrier (18); Figure 17 imbeds structure for part, is welded with lug (23) on metal tube (22), and part is imbedded in the heat carrier (18); Figure 18 is the monomer embedded structure, and special-shaped metal tube (24) is partially submerged in the heat carrier (18); Figure 19 is whole embedded structure, and whole externally inlaid part (25) makes up in the mode that embeds with heat carrier (18).These all can make can with non-removable two kinds of structures, said structure to the processing of deep and long hole and electric heater form standardization, seriation is useful.
2, embodiment 2 direct-type electric heaters:
Figure 20 shows the matrix that combination (27) that the heat carrier (26) made by the metal material of good heat conductivity and common metal material are made constitutes, good and two ends are connected to heating wire (28) (not necessarily traditional helical form of drawing wiring pile crown (30) with coiling, can be plane corrugated other shape that waits), and magnesia powder (comprising the section bar made from this powder) or ceramic silicon Barbiturates and other heat-resistant insulation material (29), place among the matrix equably and compress compacting, make its inside not have the space, thereby heating wire is heating power under the isolated situation of air, and then further improves matrix.Select different insulating material and metal material for use, its technological process is inevitable to be adjusted to some extent: before pressurization, should increase the high-frequency vibrations as the insulating material of powdery; Insulating material as the ceramic silicon Barbiturates should increase sintering process; Magnesian in this way section bar or flexible insulating material are done product elongated especially again, and then the scope of application is bigger; As housing is that weldering, riveting, screw are twisted and closed, corresponding technology such as involution when not eliminating pressure; Bigger as surface area, the similar flat board of overall shape particularly makes insulating barrier loose for the back that prevents to be heated be out of shape drum, should look concrete condition when manufacturing and designing, and arranges the reinforcement on some connection two sides or other structure of a same effect.
3, embodiment 3 presses down the hot type electric heater:
Figure 21 shows the matrix that combination (32) that heat carrier (31) that the metal material of good heat conductivity is made and common metal material are made constitutes (have can with non-removable two kinds), electrothermal tube (33) is placed in the matrix that fills with oil (34), the wiring pile crown (35) of drawing of electrothermal tube exposes, the electric heater that closes of two lobe ancient piece of jade, round, flat and with a hole in its centres in this way, also to adorn two and make standardized mouth in parallel (36) by oneself, work to connect locking and connect oil circuit and connect with the turnover oil pipe, electromagnetically operated valve and oil pump are opened simultaneously when temperature is raised to predetermined value, cold, hot oil replaces, and its flow can be adjusted as requested.For preventing that oil from repeating after the work temperature and progressively raising and influence cooling effect, can be equipped with the oil circuit cooler in addition.Figure 22 (being attached to Figure 21 left side) shows the structure of mouth in parallel, fluid is by being tightened in the cross bore in the bolt (37) on the housing, enter the annular groove in the base (38), base compresses with nut (40) with the horn mouth of adapter (39) and is connected, and leads to cooling fluid source.
4, embodiment 4 derives from and presses down the hot type electric heater:
Figure 23 shows that independent electric heater (42) and independent cooling duct (41) two bodies combine.Figure 24 shows set up cooling duct (41) among electric heater body (43).Figure 25 shows the position of cooling duct (41), can also can be clipped in the middle optional position of the heater (44) of electric heater as Figure 23,24 at thermal conductive surface here by instructions for use.The cooling duct is to reserve in the electric heater body or built-in metal pipe during casting.
Above-mentioned two kinds of cooling fluids that press down hot type are all better with conduction oil, and its heat-conducting effect is particularly outstanding, also available wind or water.As use wind, and the cross section of cooling duct is not necessarily enclosed, and can save a limit and become flute profile, the glide path of wind, also not necessarily circulating, denumerable groove is gone forward side by side and is gone out.As water, discharge outlet can often be opened, and a reversing solenoid valve must be adorned in the admission port, and its cooling effect is particularly desirable, and auxiliary system is comparatively succinct and economical.But water should all be discharged when heating, otherwise because maximum temperaturerise≤100 of water ℃, can not satisfy job requirement, after residual water will progressively produce the whole discharges of steam, could progressively reach temperature required, so not only wasted electric energy, delayed the heating-up time again concerning the main frame of continuous operation, temperature difference phenomenon will appear in the bottom and the anhydrous top of retaining simultaneously.Fouling easily in addition, long-term use will have the hidden danger of stopping up the cooling duct.For this reason should be by the geometry and the installation site of each electric heater, to give, the position and the glide path of discharge outlet does corresponding the adjustment, and it is heated under anhydrous state.
The utility model electric heater can be made various geometry by supporting requirement.
Among the utility model, the various tectonic types with heat carrier formation composite construction are referred to as combination.Make matrixes with two kinds of material composite constructions, the economic technology benefit is good, can also a kind of material (little, the user requires to some extent etc.) as batch.
Claims (6)
1, novel electric heater, the metal material structure mutually compound that it is characterized in that the matrix adopting good heat conductivity with the common metal material, in matrix, increase the useful space position that to lay heating wire,, reduce the surface loading of heating wire to strengthen the sectional area and the length of heating wire.
2, novel electric heater according to claim 1, it is characterized in that on by heat carrier and the compound matrix that constitutes of combination, being provided with through hole or half hole, electrothermal tube is placed in the through hole or half hole of matrix, and draw terminals at electrothermal tube the mica dividing plate is housed, again two particular power source wiring pile crowns on the drawing the wiring pile crown and be fixed on matrix of electrothermal tube are linked to each other with brace.
3, novel electric heater according to claim 1, it is characterized in that in the matrix that constitutes by heat carrier and combination, put into equably wherein making and being connected to the heating wire and the heat-resistant insulation material of drawing the wiring pile crown at two ends, and compress compacting, make heating wire with the isolated situation of air under heating power.
4, novel electric heater according to claim 1 is characterized in that in the matrix that is made of heat carrier and combination, and electrothermal tube or other electric heating element are placed among the matrix that fills with oil.
5, novel electric heater according to claim 1 is characterized in that electric heater is provided with the cooling duct.
6, novel electric heater according to claim 2 is characterized in that particular power source wiring pile crown is an integral body of not conducting of two ends.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 95210677 CN2293166Y (en) | 1995-06-12 | 1995-06-12 | Electric heater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 95210677 CN2293166Y (en) | 1995-06-12 | 1995-06-12 | Electric heater |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2293166Y true CN2293166Y (en) | 1998-09-30 |
Family
ID=33861326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 95210677 Expired - Fee Related CN2293166Y (en) | 1995-06-12 | 1995-06-12 | Electric heater |
Country Status (1)
Country | Link |
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CN (1) | CN2293166Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107514798A (en) * | 2012-07-17 | 2017-12-26 | 伊麦克斯股份有限公司 | Modular heating system of new generation |
-
1995
- 1995-06-12 CN CN 95210677 patent/CN2293166Y/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107514798A (en) * | 2012-07-17 | 2017-12-26 | 伊麦克斯股份有限公司 | Modular heating system of new generation |
CN107514798B (en) * | 2012-07-17 | 2020-12-01 | 伊麦克斯股份有限公司 | Heating unit and heating system |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |