CN206160447U - Electric heating device - Google Patents
Electric heating device Download PDFInfo
- Publication number
- CN206160447U CN206160447U CN201620760092.8U CN201620760092U CN206160447U CN 206160447 U CN206160447 U CN 206160447U CN 201620760092 U CN201620760092 U CN 201620760092U CN 206160447 U CN206160447 U CN 206160447U
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- CN
- China
- Prior art keywords
- ptc
- fluid passage
- electrical heating
- negative electrode
- producing machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/142—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using electric energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
- F24H9/1827—Positive temperature coefficient [PTC] resistor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/02—Heaters using heating elements having a positive temperature coefficient
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/021—Heaters specially adapted for heating liquids
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Resistance Heating (AREA)
Abstract
The utility model relates to an electric heating device, including the PTC electrical heating group body, the PTC electrical heating group body is including PTC electrode strip subassembly, and PTC electrode strip subassembly includes positive electrode strip, PTC generate heat potsherd group, negative electrode strip, and PTC generates heat potsherd group and generates heat the potsherd by a plurality of PTC and constitute, positive electricity pole piece and negative electrode sheet one side of outside separately are equipped with the first insulation layer. First whole is formed in PTC electrode strip subassembly, first insulation layer, fin group sets up with first whole piece interval in proper order and forms the PTC electrical heating group body. The utility model discloses a sandwich formula structure is arranged, and heat transfer efficiency is high, power density is big, compact structure, small, and is with low costs to the assembly is simple.
Description
Technical field
The present invention relates to a kind of electric heat-producing machine, especially hot-water heating field of electric heating.
Background technology
In prior art CN101170844A and CN100567843C plus hot water or anti-icing fluid (main component be ethylene glycol and
Water) electric heater adopt metal base, then PTC electric heating sheets are inserted above, and with wedge-shaped element compression.It is primarily present two
Individual defect, shortcoming one is that thermal resistance increases, and the thermal efficiency is low, power density is little because wedge-shaped element increased heat transfer intermediate link;Lack
Point two is that each PTC electric heating sheets all respectively needs single wedge-shaped element to be fastened, and will affect its production efficiency.
The content of the invention
The technical problem to be solved in the present invention is:Overcome the deficiencies in the prior art, there is provided a kind of electric heat-producing machine.
The technical solution adopted for the present invention to solve the technical problems is:A kind of electric heat-producing machine, including PTC electrical heating groups
Body, the PTC electrical heating group body includes PTC electrode bar assemblies, and described PTC electrodes bar assembly includes that positive electrode bar, PTC generate heat
Piece group, negative electrode bar, the PTC fever tablets group is made up of some PTC fever tablets;
The positive electrode bar includes electrode film, positive pole ear;
The negative electrode bar includes negative electrode plate, negative lug;
Described PTC fever tablet groups are arranged between electrode film and negative electrode plate;
The each outside side of the electrode film and negative electrode plate is provided with the first insulating barrier.
Wherein, the PTC fever tablets in PTC electrodes bar assembly are preferably connected by gluing mode with positive and negative electrode piece;When
So, the mode that may also be employed compressing connects.
Further, the PTC electrodes bar assembly, the first insulating barrier constitute the first single piece;The PTC electricity heat-producing machine bag
Fluid passage is included, the fluid passage forms PTC electrical heating group bodies with first single piece successively interval setting.
Further, the outermost of the PTC electrical heating group body is preferably fluid passage.
Further, first seal is respectively provided between adjacent two fluid passage, each first seal is overall to first
The both sides of the edge of part are integrally formed sealed insulation.So, serve heat exchanging liquid and the first single piece (or PTC electrode strips
Component) between seal the effect of isolation.
Further, described PTC electricity heat-producing machine also includes mainboard, and the mainboard has internal cavity;Described PTC electrical heating
Group body is arranged in the internal cavity of mainboard, and forms sealing structure between mainboard inwall;The outer wrap of the mainboard has
For accommodating the shell of mainboard and PTC electrical heating group bodies.The preferred plastic casing of the shell, and preferably using surrounding form up and down
Plastic casing.
Wherein, the mainboard can be single radial cut slot form, or many open slot forms.
Or, further, described PTC electricity heat-producing machine also includes liquid collecting cavity, the two ends of described PTC electrical heating group bodies
Connect with the liquid collecting cavity, inlet and liquid outlet are provided with the liquid collecting cavity.The two ends of described PTC electrical heating group bodies with
The connection of the liquid collecting cavity is preferably by the way of gluing.The liquid collecting cavity is used to pass in and out the liquid collecting of fluid or point liquid, the collection
Sap cavity can be the header used by similar parallel-flow heat exchanger, or can be end socket used by plate-fin heat exchanger etc..
Further, the fluid passage adopts closed type fluid passage.So-called closed type fluid passage refers to, perpendicular to
Four sides on the section of the fluid passage of liquid flow direction are (i.e. parallel to four of fluid passage of liquid flow direction
Face) it is closing (being connected with each other in other words), it is not directly contacted between fluid and the first entirety.
Further, the closed type fluid passage is plate beam or flat tube.The plate beam is made up of dividing plate, fin, strip of paper used for sealing,
Fin is placed between adjacent two dividing plate, strip of paper used for sealing is placed in fin bottom with top.The flat tube can be single hole or porous;Can
To be extrusion molding, or welding fabrication, flat tube material can be that metal, or plastics etc. are nonmetallic
's.
Or, further, the fluid passage adopts open fluid passage.So-called open fluid passage refers to,
Four sides on the section of the fluid passage of liquid flow direction are not all closing, deposit between fluid and the first entirety
In the part of directly contact, such as fluid and the first unitarily formed first insulating barrier directly contact.
The open fluid passage includes following several forms:The fluid passage by two adjacent first single pieces with set
The second seal being placed between two adjacent first single pieces surrounds to be formed;Or, the fluid passage is whole by two adjacent first
Main board between body part first single piece adjacent with two surrounds to be formed;Or, the fluid passage is by the first single piece, side
Plate and the second seal being arranged between the first single piece and side plate surround to be formed;Or, the fluid passage is by first
Single piece, shell and the second seal being arranged between the first single piece and shell surround to be formed.
Described second seal, its effect is the space for sealing between adjacent two first single pieces, prevents heat exchange
Liquid is from the above-below direction stream between adjacent two first single pieces to outside mainboard or shell.If mainboard is many open slot forms
, each open slot inserts the first single piece, and is full of and is sealed by the first single piece, so can then omit the second sealing
Part.
The side plate, positioned at the outermost of PTC electrical heating group bodies, as a part for both sides fluid passage.
Further, top between two adjacent first single pieces arranges a second seal, or two adjacent
Upper and lower between first single piece respectively arranges a second seal.
Further, some fins are provided with the open fluid passage, with enhanced heat exchange performance.The fin can
To be various forms of fins, such as light straight fins, saw tooth fin, perforated fin etc..
Further, first insulating layer material is the insulating materials of resistance to heat exchanging liquid immersion.This material has resistance to changing
Hot liquid immersion insulation silica gel, be externally coated with Kapton of epoxy resin, etc..So-called resistance to heat exchanging liquid immersion
Insulating materials refer to that the insulating materials is immersed in heat exchanging liquid and remain to keep good insulation function.If selecting the liquid of resistance to heat exchange
The insulating materials of body immersion then also can select the insulating materials as first seal as the first insulating layer material.It is existing
Passenger car heat exchanging liquid is usually the water base anti-icing fluid of ethylene glycol type, and ethylene glycol has significantly swelling to general insulation silica gel
Effect, so as to cause the insulating protection disabler of insulation silica gel, so the insulating materials principal character of resistance to heat exchanging liquid immersion
One of be exactly anti-ethylene glycol swelling function, this insulation silica gel is such as swelling fluorosioloxane rubber of anti-ethylene glycol type anti-icing fluid etc.
Deng.In addition, the insulating materials of resistance to heat exchanging liquid immersion can be homogenous material or composite or various in the present invention
Combination of materials, it can simultaneously play insulation and resistance to cooling immersion bubble function.
Further, first insulating barrier be ceramic insulation piece or macromolecular material insulating trip or coating (as spraying,
Dip-coating etc.) insulating barrier or plating insulating barrier, or, the insulating barrier of outer wrap first of the electrode film and negative electrode plate.
Further, the first insulating barrier material is selected from insulating polymeric material, ceramic insulating material and doped with pottery
Any one or a few in the polymer composite insulating material of porcelain.
Further, the first insulating barrier material is selected from silica gel, organic siliconresin, inorganic silicon, polyimides, Teflon
Dragon, polyester-imide, epoxy resin, esters of acrylic acid adhesive, acrylic tackifier, benzoxazine, doped with ceramics silicon
Any one or a few in glue.
Further, one of the method for first insulating barrier in coating, smooth and wrapped (or parcel) is set
Plant or several combinations.
Further, the painting method for arranging first insulating barrier is selected from spraying, brushing, roller coat, deposition, dip-coating, point
The combination of one or several in glue, screen printing, roller coating, electrophoresis and blade coating.
Further, the first seal is electric insulating sealant or electro-insulating rubber circle or welded seal part.
Further, the positive pole ear is located at the top of electrode film, and the negative lug is located at the top of negative electrode plate
Portion;The heat exchanging liquid flow direction of the fluid passage be PTC electricity heat-producing machine left side to right side or by right side to left side.
Heat exchanging liquid used by PTC electricity heat-producing machine of the present invention preferably adopts water base coolant, so-called water base coolant to refer to
With water as basis, such as pure water or conventional anti-icing fluid, the wherein host component of anti-icing fluid are water and second two to coolant
Alcohol, such as proportioning are preferably from about 50% ethylene glycol+about 50% water.
Further, the electric heat-producing machine also includes heat exchanging liquid, and heat exchanging liquid flows in the fluid passage, the heat exchange
Liquid is water base coolant.Preferably, water base coolant is pure water or the anti-icing fluid with ethylene glycol and water as main component.
The invention has the beneficial effects as follows:The present invention is arranged using sandwiched type structure, heat transfer efficiency is high, power density is big,
Compact conformation, small volume, low cost, and assemble simple.
Description of the drawings
Below in conjunction with the accompanying drawings the present invention is further described.
Fig. 1 is the first unitarily formed structural representation;
Fig. 2 is the structural representation that the first single piece is overlapped with fluid passage;
Fig. 3 is the cross section schematic diagram of the insulating barrier of outer wrap first of electrode film and negative electrode plate;
Fig. 4 is the partial enlarged drawing in Fig. 3 at A;
Fig. 5 is the structural representation of PTC electrical heating group bodies;
Fig. 6 is the structural representation of single radial cut groove mainboard;
Fig. 7 is PTC electrical heating groups body installation cross section schematic diagram in the motherboard;
Fig. 8 is a kind of structural representation of closed type fluid passage (plate beam);
Fig. 9 is the structural representation of another kind of closed type fluid passage (flat tube);
Figure 10 is the side structure schematic diagram of the PTC electrical heating group bodies for including open fluid passage;
Figure 11-1 and Figure 11-2 is the structural representation of various fins;
Figure 12-1 and Figure 12-2 is the PTC electrical heating group bodies for including open fluid passage and middle setting fin
Side structure schematic diagram;
Figure 13-1 and Figure 13-2 is the structural representation of many open slot mainboards;
Figure 14-1 and Figure 14-2 is the structural representation of liquid collecting cavity;
Wherein, 1, positive electrode bar, 2, negative electrode bar, 3, PTC fever tablets, the 4, first insulating barrier, 5, fluid passage, 511, plate
Beam, 512, flat tube, 52, open fluid passage, 6, first seal, 7, mainboard, 71, internal cavity, 72, internal cavity, 73, interior sky
Chamber, the 8, first single piece, 9 side plates, 10, second seal, 11, liquid collecting cavity, 12, fin.
Specific embodiment
Presently in connection with accompanying drawing, the present invention is further illustrated.These accompanying drawings are simplified schematic diagram only with signal side
The basic structure of the formula explanation present invention, therefore it only shows the composition relevant with the present invention.
Embodiment one
As shown in Figures 1 to 8, a kind of electric heat-producing machine, including PTC electrical heating group body, PTC electrical heating groups body includes that PTC is electric
Pole bar assembly, PTC electrodes bar assembly includes positive electrode bar 1, PTC fever tablet groups, negative electrode bar 2, and PTC fever tablet groups are by some
PTC fever tablets 3 are constituted.
Positive electrode bar 1 includes electrode film, positive pole ear;Negative electrode bar 2 includes negative electrode plate, negative lug;PTC generates heat
3 groups of piece is arranged between electrode film and negative electrode plate.Positive pole ear is located at the left side top of electrode film, negative lug position
In the right edge top of negative electrode plate.Positive pole ear, negative lug can be arranged on according to the actual requirements electrode film or negative electricity
The optional position on pole piece top, can be left side or right side or centre.Preferably, PTC fever tablet groups can be glued using silica gel
It is connected between positive and negative electrode piece.
PTC electrode bar assemblies, the first insulating barrier 4 constitute the first single piece 8;First single piece 8 as shown in Figure 1, it is just
The each outside side of electrode slice and negative electrode plate is provided with the first insulating barrier 4.First insulating barrier 4 is ceramic insulation piece or macromolecule
Material is absolutely or spray applied insulation or plating insulating barrier;Or, the first single piece 8 as shown in Figure 3, Figure 4, its electrode film and negative electricity
First insulating barrier of outer wrap 4 of pole piece.
PTC electricity heat-producing machines include fluid passage 5, as shown in figure 5, the single piece 8 of fluid passage 5 and first interval setting successively
PTC electrical heating group bodies are formed, the outermost of PTC electrical heating group bodies is fluid passage 5.
Fluid passage 5 is operationally internal to have heat exchanging liquid stream to pass through, by the heat that PTC electrode strips component operation is produced
Heat exchanging liquid in fluid passage 5 is heated, the outermost of PTC electrical heating group bodies is set to fluid passage 5, remaining stream
Body passage 5 and the overlapping setting of PTC electrodes bar assembly.
As shown in figure 5, first seal 6 is respectively provided between adjacent two fluid passage 5, each first seal 6 pairs first
The both sides of the edge of single piece 8 form sealed insulation, it is also possible to bottom, top to the first single piece 8 and sealing is integrally formed
Insulation.First seal 6 is paste electric insulating sealant or electro-insulating rubber circle or welded seal part.
As shown in Figure 6, Figure 7, it is the PTC electrical heating group bodies of good seal to be assembled, PTC electricity heat-producing machine also includes master
Plate 7, the mainboard 7 has internal cavity 71, and PTC electrical heating group bodies are arranged in the internal cavity 71 of mainboard 7, and with mainboard 7 in
Sealing structure is formed between wall.In addition, the outer wrap of mainboard 7 has for accommodating outside plastics of the mainboard 7 with PTC electrical heating group bodies
Shell (not shown).The effect of plastic casing is a cavity volume, and heat exchanging liquid is passed therethrough.In addition to import and export, elsewhere
Sealed, plastic casing surrounds form using upper and lower shell.
The quantity of PTC fever tablets 3 is 18, and some PTC fever tablets 3 are in the column distribution of three row six in electrode film and negative electrode
Between piece, required according to the embodiment, the quantity of the first single piece 8 is 3, and the quantity of fluid passage 5 is 4, for other
Embodiment, it is also possible to which first single piece 8 and the quantity of fluid passage 5 of other quantity are set.For the quantity of PTC fever tablets 3
Select, user can select according to the actual requirements, and all numerals, are only for example in the application, can be in the same way.
Fluid passage 5 as shown in Figure 8 be lamina beam 511, be a kind of closed type fluid passage, by two pieces of dividing plates, one
Group fin, two strip of paper used for sealing compositions, place fin between two dividing plates, and strip of paper used for sealing is placed in fin bottom with top.Can also put at fin
Put to the flow deflector of water conservancy diversion.In fluid passage 5 flow direction of heat exchanging liquid be PTC electricity heat-producing machine left side to right side or by
Right side to left side.In order to preferably be sealed, it is preferable that a circle groove can be opened up in the two of plate beam dividing plate outer surfaces, use
In O-ring seal is placed, the first single piece is preferably sealed and two plate beams between.
Fluid passage 5 is 190*70mm, and thickness is 5 ± 0.5mm;The thickness of fluid passage 5 also may be used according to actual demand
With using other sizes.Positive electrode bar 1 is 180*60mm, and thickness is 0.2 ± 0.05mm, and negative electrode bar 2 is 180*60mm,
Thickness is 0.2 ± 0.05mm, and positive pole ear, the size of negative lug are 10*10mm;PTC fever tablets 3 are 30*20mm, and thickness is
3.5±0.05mm;The thickness of the first insulating barrier 4 is 0.5 ± 0.05mm.
The present invention is arranged using sandwiched type structure, and heat transfer efficiency is high, power density is big, compact conformation, small volume, cost
It is low, and assemble simple.
Embodiment two
The present embodiment is most of identical with embodiment one, except that, fluid passage 5 adopts porous as shown in Figure 9
Extruding flat tube 512., used as a kind of closed type fluid passage, its moulding process is simple, and heat transfer efficiency is high for extruding flat tube.
Embodiment three
Fluid passage in the present embodiment is open fluid passage, and as shown in Figure 10, a part of fluid passage 52 is by two
Second seal 10 between adjacent first single piece 8 first single piece 8 adjacent with being arranged at two is surrounded and formed;Another part stream
Body passage 52 is surrounded by the first single piece 8, side plate 9 and the second seal 10 being arranged between the first single piece 8 and side plate 9
Formed.
In addition to both positive and negative polarity ear portions, remainder (including all around four sides and bottom) is applied PTC electrodes bar assembly
Cover (spraying or dip-coating) first insulating barrier 4, the insulation silica gel that the material of the first insulating barrier 4 is soaked using resistance to heat exchanging liquid.This silicon
Glue is soaked in heat exchanging liquid can remain in that good electric insulation functions, be suitably applied using open fluid passage
PTC electrical heating group bodies.It is additionally, since PTC electrode bar assembly both sides and bottom and has been coated with the first of the resistance to heat exchanging liquid immersion
Insulating barrier 4, therefore no longer need to arrange first seal 6 in addition.
PTC electrical heating group bodies as shown in Figure 10, in the two adjacent upper and lowers of first single piece 8 one is respectively provided with
Two seals 10, on the one hand for being spaced and fixing the first single piece 8, on the other hand for prevent heat exchanging liquid from mainboard overflow
Go out.
The PTC electricity heat-producing machine simple structures of this kind of structure, its insulating barrier is directly contacted with heat exchanging liquid, and heat exchange efficiency is more
It is high.
Example IV
The present embodiment is identical with embodiment three parts, except that:It is overall two adjacent first as shown in Figure 12-1
Top between part 8 is provided with a second seal 10, and is provided with one group of fin between two adjacent first single pieces 8
12.The one side of fin 12 can strengthen heat exchange, on the other hand for supporting and be spaced two adjacent first single pieces 8.Fin 8
Form has various ways optional, as shown in figure 11.
Embodiment five
The present embodiment adopts the mainboard of many open slot forms, and the mainboard is as shown in Figure 13-1 or Figure 13-2.Two adjacent
Fin 12 is provided between one single piece 8, the top of the first single piece 8 or lug are corresponded to respectively 7 one openings of insertion mainboard
In groove 72 or 73, and guarantee the sealing between the first single piece 8 and mainboard 7.The fluid passage 5 of the present embodiment is by two adjacent first
The part of mainboard 7 between first entirety 8 adjacent with two of single piece 8 surrounds to be formed;Or, fluid passage by the first single piece 8,
Shell and the part of mainboard 7 surround to be formed.Preferably, can increase fin 12 to improve machine between two adjacent first entirety 8
Tool performance and exchange capability of heat.The insulation silica gel that first insulating barrier 4 is soaked using resistance to heat exchanging liquid, and in addition to lug, it is electric in PTC
The all outer surfaces of pole bar assembly are coated with the insulation silica gel.
Embodiment six
The present embodiment is using the PTC electrical heating group bodies described in embodiment one, the i.e. single piece of closed type fluid passage 5 and first
8 interval settings form PTC electrical heating group bodies.Except that, at PTC electrical heating group bodies or so two ends using as shown in figure 14
Liquid collecting cavity 11 is communicated therewith, and the mode of connection is gluing, constitutes the electricity heat-producing machines of the PTC with liquid collecting cavity 11.
Embodiment seven
The present embodiment is identical with example IV major part, except that:As shown in fig. 12-2, it is overall two adjacent first
Top between part 8 is not provided with second seal, and between two adjacent first single pieces 8 one group of fin 12 is only provided with.
PTC electrical heating groups body as shown in fig. 12-2 can be used cooperatively with the mainboard shown in Figure 13-2, the first single piece 8
Top (such as lug) is stretched out on mainboard through the internal cavity 73 shown in Figure 13-2.First insulating barrier 4 adopts resistance to heat exchanging liquid
The insulation silica gel (the swelling fluorosioloxane rubber such as anti-ethylene glycol type anti-icing fluid) of immersion, and in addition to lug, in PTC electrode bar assemblies
All outer surfaces be coated with the insulation silica gel, and the silica gel sealing is adopted between lug and mainboard.
With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Entirely various change and modification can be carried out in the range of without departing from this invention technological thought.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (8)
1. a kind of electric heat-producing machine, is characterized in that, including PTC electrical heating group bodies, and the PTC electrical heating group body includes PTC electrode strips
Component, described PTC electrodes bar assembly includes positive electrode bar, PTC fever tablet groups, negative electrode bar, if the PTC fever tablets group by
Dry PTC fever tablets composition;
The positive electrode bar includes electrode film, positive pole ear;
The negative electrode bar includes negative electrode plate, negative lug;
Described PTC fever tablet groups are arranged between electrode film and negative electrode plate;
The each outside side of the electrode film and negative electrode plate is provided with the first insulating barrier;
The PTC electrodes bar assembly, the first insulating barrier constitute the first single piece;The PTC electricity heat-producing machine includes fluid passage, institute
State fluid passage and form PTC electrical heating group bodies with first single piece successively interval setting;
The fluid passage is open fluid passage, and the open fluid passage refers to, perpendicular to liquid flow direction
Four sides on the section of fluid passage are not all closing, there is the part of directly contact between fluid and the first entirety;
The electric heat-producing machine also includes heat exchanging liquid, and heat exchanging liquid flows in the fluid passage, the heat exchanging liquid be pure water or
Person is the anti-icing fluid with ethylene glycol and water as main component.
2. a kind of electric heat-producing machine, is characterized in that, including PTC electrical heating group bodies, and the PTC electrical heating group body includes PTC electrode strips
Component, described PTC electrodes bar assembly includes positive electrode bar, PTC fever tablet groups, negative electrode bar, if the PTC fever tablets group by
Dry PTC fever tablets composition;
The positive electrode bar includes electrode film, positive pole ear;
The negative electrode bar includes negative electrode plate, negative lug;
Described PTC fever tablet groups are arranged between electrode film and negative electrode plate;
The each outside side of the electrode film and negative electrode plate is provided with the first insulating barrier;
The PTC electrodes bar assembly, the first insulating barrier constitute the first single piece;The PTC electricity heat-producing machine includes fluid passage, institute
State fluid passage and form PTC electrical heating group bodies with first single piece successively interval setting;
The fluid passage is open fluid passage, and the open fluid passage refers to, perpendicular to liquid flow direction
Four sides on the section of fluid passage are not all closing, there is the part of directly contact between fluid and the first entirety;
Wherein, the positive pole ear is located at the top of electrode film, and the negative lug is located at the top of negative electrode plate;The stream
The heat exchanging liquid flow direction of body passage be PTC electricity heat-producing machine left side to right side or by right side to left side.
3. a kind of electric heat-producing machine according to claim 1 and 2, is characterized in that, also set up in the open fluid passage
There are some fins.
4. a kind of electric heat-producing machine according to claim 1 and 2, is characterized in that, described PTC electricity heat-producing machine also includes master
Plate, the mainboard has internal cavity;
Described PTC electrical heating group bodies are arranged in the internal cavity of mainboard, and sealing structure is formed and the inwall of mainboard between;
The outer wrap of the mainboard has the shell for accommodating mainboard and PTC electrical heating group bodies.
5. a kind of electric heat-producing machine according to claim 1 and 2, is characterized in that, described PTC electricity heat-producing machine also includes liquid collecting
Chamber, the two ends of described PTC electrical heating group bodies connect with the liquid collecting cavity, inlet is provided with the liquid collecting cavity and goes out liquid
Mouthful.
6. a kind of electric heat-producing machine according to claim 1 and 2, is characterized in that, first insulating barrier be ceramic insulation piece,
Or macromolecular material insulating trip or painting insulating layer coating or plating insulating barrier, or, the outside of the electrode film and negative electrode plate
Wrap up the first insulating barrier.
7. a kind of electric heat-producing machine according to claim 1 and 2, is characterized in that, first insulating layer material is resistance to heat exchange
The insulating materials of liquid immersion.
8. a kind of electric heat-producing machine according to claim 1 and 2, is characterized in that, the open fluid passage includes as follows
Several forms:The fluid passage is sealed by second between two adjacent first single pieces, first single piece adjacent with being arranged at two
Part surrounds to be formed;
Or, the fluid passage surrounds shape by the main board between two adjacent first single pieces, first single piece adjacent with two
Into;
Or, the fluid passage by the first single piece, side plate and be arranged between the first single piece and side plate it is second close
Sealing surrounds to be formed;
Or, the fluid passage by the first single piece, shell and be arranged between the first single piece and shell it is second close
Sealing surrounds to be formed.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510441821 | 2015-07-26 | ||
CN2015104418213 | 2015-07-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206160447U true CN206160447U (en) | 2017-05-10 |
Family
ID=57916692
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610568529.2A Pending CN106382739A (en) | 2015-07-26 | 2016-07-19 | Electric heater |
CN201620760092.8U Expired - Fee Related CN206160447U (en) | 2015-07-26 | 2016-07-19 | Electric heating device |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610568529.2A Pending CN106382739A (en) | 2015-07-26 | 2016-07-19 | Electric heater |
Country Status (1)
Country | Link |
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CN (2) | CN106382739A (en) |
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CN110243072A (en) * | 2019-06-04 | 2019-09-17 | 浙江银轮机械股份有限公司 | A kind of ptc heater |
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ATE385470T1 (en) * | 2003-03-13 | 2008-02-15 | Behr Gmbh & Co Kg | ELECTRIC HEATING DEVICE, PARTICULARLY FOR A MOTOR VEHICLE |
CN201928457U (en) * | 2011-01-11 | 2011-08-10 | 杨玲敏 | Instant PTC (positive temperature coefficient) liquid heater |
CN203691655U (en) * | 2013-12-06 | 2014-07-02 | 比亚迪股份有限公司 | PTC electric heating assembly, electric liquid heater and electric vehicle warming system thereof |
CN103912989A (en) * | 2014-04-10 | 2014-07-09 | 东辉休闲运动用品(上海)有限公司 | Double-insulation double-waterway-seal PTC (positive temperature coefficient) heater |
CN104540247A (en) * | 2014-12-16 | 2015-04-22 | 江苏港星方能超声洗净科技有限公司 | Electric heater |
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