CN113347747A - Car is assisted hot PTC heating monotube, heating element and heater - Google Patents
Car is assisted hot PTC heating monotube, heating element and heater Download PDFInfo
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- CN113347747A CN113347747A CN202110559345.0A CN202110559345A CN113347747A CN 113347747 A CN113347747 A CN 113347747A CN 202110559345 A CN202110559345 A CN 202110559345A CN 113347747 A CN113347747 A CN 113347747A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 165
- 230000017525 heat dissipation Effects 0.000 claims abstract description 34
- 238000005192 partition Methods 0.000 claims description 19
- 210000000078 claw Anatomy 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000013464 silicone adhesive Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 7
- 238000010257 thawing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
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- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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Classifications
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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
- H05B3/02—Details
- H05B3/03—Electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
-
- 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
- H05B3/02—Details
-
- 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
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/141—Conductive ceramics, e.g. metal oxides, metal carbides, barium titanate, ferrites, zirconia, vitrous compounds
-
- 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
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H2001/2268—Constructional features
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Resistance Heating (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
本发明涉及加热设备技术领域，尤其涉及一种汽车辅热PTC加热单管、加热组件以及加热器；该加热单管包括导电外壳套，导电外壳套内设置有绝缘框、发热片及第一电极片，绝缘框内设置有可容纳第一电极片和发热片的容置槽，发热片设置在第一电极片的上方，绝缘框上还开设有供发热片穿过的开口，且发热片延伸至与导电外壳套的内壁贴合，第一电极片的一端延伸出导电外壳套并形成第一电极头；该加热组件包含散热条、第二电极片及加热单管，第二电极片和加热单管依次交替的设置在相邻的两个散热条之间；该加热器包含壳体和加热组件。本发明结构简单，安装方便，更利于工业化生产。
The invention relates to the technical field of heating equipment, in particular to a PTC heating single tube, a heating component and a heater for auxiliary heating of an automobile; the heating single tube comprises a conductive outer casing, and an insulating frame, a heating sheet and a first electrode are arranged in the conductive outer casing. The insulating frame is provided with an accommodating groove that can accommodate the first electrode sheet and the heating sheet, the heating sheet is arranged above the first electrode sheet, the insulating frame is also provided with an opening for the heating sheet to pass through, and the heating sheet extends Until it is attached to the inner wall of the conductive outer shell, one end of the first electrode sheet extends out of the conductive outer shell to form a first electrode head; the heating assembly includes a cooling strip, a second electrode sheet and a heating single tube, the second electrode sheet and the heating element The single tubes are alternately arranged between two adjacent heat dissipation bars; the heater includes a casing and a heating assembly. The invention has simple structure, convenient installation, and is more favorable for industrialized production.
Description
Technical Field
The invention relates to the technical field of heating equipment, in particular to an automobile auxiliary heating PTC heating single tube, a heating assembly and a heater.
Background
In fuel-powered vehicles, the defrosting and heating of vehicles in winter are carried out by adopting an independent heat source type (fuel) heating system or a waste heat type (utilizing engine cooling water or waste gas waste heat) heating system. Both of these two heating systems for automobiles need to depend on the engine of the automobile, that is, the defrosting, defogging and heating in the automobile can be implemented only when the engine is in working state, and once the engine stops working, the defrosting, defogging and heating can not be implemented. In addition, the heating system has low heating efficiency and a complex structure, heat supply, particularly defrosting, can be carried out after 6-10 minutes is needed after the engine is started in winter, and heat supply can be carried out after the engine works for a period of time after the defrosting of the front windshield of the automobile is finished, so that fuel oil is wasted, and safe driving is influenced. With the improvement of comfort requirements of customers, the slow temperature rise of warm air in winter becomes a problem which needs to be solved urgently.
The PTC (positive Temperature coefficient) electric heater has the advantages of constant Temperature heating, no open fire, high heat conversion rate, little influence of power supply voltage, long natural service life and the like which are incomparable with the traditional heating elements, is widely applied to the fields of air conditioners, dryers, fan heaters, automobiles and the like, has the characteristics of rapid Temperature rise and wide voltage application range, can automatically control the Temperature when the fan fails, and has long service life. The PTC heating single tube used at present is difficult to assemble, and the difficulty of mass production is increased; the electrode plates of the positive electrode and the negative electrode of the PTC heating assembly are unreasonable in design, and the problem that the local temperature is too high due to overlarge contact resistance exists, so that the use of the PTC heater is influenced, and even the PTC heater can be damaged and the service life of the PTC heater can be shortened.
Disclosure of Invention
In order to solve the problems, the invention provides an automobile auxiliary heating PTC heating single tube which comprises a conductive outer shell, wherein an insulating frame, a heating sheet and a first electrode sheet are arranged in the conductive outer shell, a containing groove capable of containing the first electrode sheet and the heating sheet is arranged in the insulating frame, the heating sheet is arranged above the first electrode sheet, an opening for the heating sheet to penetrate through is further formed in the insulating frame, the heating sheet extends to be attached to the inner wall of the conductive outer shell, and one end of the first electrode sheet extends out of the conductive outer shell to form a first electrode tip.
The insulating frame with the accommodating groove is made of plastic materials, the insulating frame has good insulating performance, the heating sheet is preferably a ceramic sheet in order to achieve a better heating effect, at least one heating sheet can be contained when the insulating frame is used, and a plurality of heating sheets are usually contained in order to achieve a better heating effect; in order to achieve better heat conduction and electric conduction, the aluminum shell is optimally used as the conductive outer shell.
Preferably, an insulating film is arranged at the bottom end of the insulating frame, and the accommodating groove is formed by enclosing the side wall of the insulating frame and the insulating film.
Preferably, still be provided with the horizontal wall on the insulating frame, the horizontal wall is on a parallel with the shorter one end setting of insulating frame just has two sets ofly at least, two sets of adjacent horizontal wall with be used for placing the piece that generates heat between the lateral wall of insulating frame.
First electrode piece and heating plate all set up in the storage tank, and the heating plate setting is in the top of first electrode piece, sets up the opening that can supply the heating plate to pass on the insulating frame, and the heating plate passes the insulating frame and extends to and the inner wall laminating of conductive outer shell cover, carries out heat-conduction.
The surface of the transverse partition is lower than the surface of one side of the insulating frame, which is provided with the insulating film, the insulating frame, the transverse partition and the insulating film are enclosed to form a space for placing the first electrode plate, the distance between the transverse partition and the insulating frame is determined according to the thickness of the first electrode plate, generally ranges from 0.5mm to 1.0mm, and is preferably 0.8mm, a space for placing the heating sheet is enclosed between two adjacent groups of transverse partitions and the side wall of the insulating frame, the heating sheet is placed above the first electrode plate, and the insulating frame is provided with an opening through which the heating sheet can pass and extend to be attached to the conductive shell sleeve; when only one piece that generates heat, the both ends of the piece that generates heat are provided with a set of horizontal wall respectively, and when a plurality of pieces that generate heat, multiunit horizontal wall can form the space that is used for placing the piece that generates heat the same with piece quantity that generates heat.
Preferably, one side of the first electrode plate, which is close to the first electrode tip, is provided with an integrally formed first bending portion.
The first electrode plate is of an integrated structure, and the problem that local heating is too high due to overlarge contact resistance is solved.
The heating sheet is arranged in the insulating frame, one side of the heating sheet is in contact with the first electrode sheet to form a first electrode leading-out end, and the first electrode sheet can be matched with the second electrode sheet for use to form a heating single tube unit.
The invention also provides an automobile auxiliary heating PTC heating assembly, which comprises at least one heat dissipation strip, a second electrode plate and the heating single tube, wherein the heating single tube and the second electrode plate are sequentially and alternately arranged on two sides of the heat dissipation strip.
The heat dissipation strip is used for carrying out heat-conduction to the heat that the heating element produced, the heat dissipation strip is also had fine electric conductive property, the heat dissipation strip bonds with the big surface of heating single tube and second electrode piece area, when heating element only contains a heat dissipation strip, a second electrode piece and a heating single tube, the heat dissipation strip sets up between heating single tube and second electrode piece, when containing a plurality of heat dissipation strips, when a plurality of second electrode pieces and a plurality of heating single tubes, heating single tube and second electrode piece alternate setting in proper order are in adjacent heat dissipation strip, guarantee to heat fully contact in order to guarantee heat-conduction optimization between single tube and second electrode piece and the heat dissipation strip.
Preferably, the heating single tube and the second electrode plate are respectively connected with the heat dissipation strip through a high-temperature silica gel adhesive.
Preferably, the second electrode sheet extends towards the first electrode sheet to form a second electrode sheet, and one end of the second electrode sheet close to the second electrode sheet is provided with an integrally formed second bending portion.
The second electrode plate is of an integrated structure, and the problem that local heating is too high due to overlarge contact resistance is solved.
The first electrode plate can be a positive electrode plate or a negative electrode plate, and the electrode of the second electrode plate is different from the electrode of the first electrode plate.
The invention also provides an automobile auxiliary heating PTC heater, which comprises a shell and the heating assembly, wherein the heating assembly is arranged in the shell.
Preferably, the housing includes an upper housing, a lower housing, and a connector, an inner side of the lower housing is provided with a plurality of elastic claws facing the heating module, the upper housing and the lower housing are detachably coupled, and the connector is detachably coupled to the upper housing and the lower housing.
A groove capable of accommodating the first electrode plate and the second electrode plate is formed above the plug connector, and wiring is facilitated; go up and can dismantle the connection through the buckle between the casing and the lower casing, also can dismantle the connection through the buckle between plug connector and the upper and lower casing.
Preferably, a plurality of clamping grooves capable of accommodating the first electrode plate and the second electrode plate are formed in the inner side of the lower shell.
The first electrode plate and the second electrode plate are respectively formed in an integrated mode and are of an integrated structure, the first electrode tip and the second electrode tip are inserted into the plug connector, the heating function of the PTC heater can be achieved after the power supply wiring harness of the whole vehicle is in butt joint with the plug connector, and extra connecting pieces are not needed to be connected with the first electrode plate and the second electrode plate; first electrode slice and second electrode slice set up respectively, and first electrode slice sets up in heating single tube, overhauls or when changing the device, can overhaul alone or change, and is more convenient.
One end of the first electrode plate and one end of the second electrode plate extend out of the outer side of the heating assembly, when the heating assembly is installed, the heating assembly is placed in the lower shell, the extended first electrode plate and the extended second electrode plate are clamped into the clamping grooves, poor contact between the first electrode plate and the heating plate and poor contact between the second electrode plate and the heating plate are caused in the plugging process of the plug connector for better positioning and preventing the plug connector from being plugged, and the first bending portion and the second bending portion are clamped into the clamping grooves preferably.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1) according to the heating single tube, the insulating frame is provided with the accommodating grooves for accommodating the first electrode plate and the heating plate respectively, and the insulating frame is further provided with the transverse partition, so that the heating single tube is convenient to install, the installation position does not need to be calibrated when the heating single tube is installed, and the installation efficiency is improved;
2) according to the heater provided by the invention, the first electrode plate and the second electrode plate are respectively formed in an integrated manner and are of an integrated structure, the first pole leading-out end and the second pole leading-out end of the heater are formed and can be directly used after being in butt joint with a power supply wire harness of a whole vehicle, the problem of local over-high heating caused by overlarge contact resistance is solved, and the use safety performance of the heater is improved;
3) the lower shell body is internally provided with a plurality of elastic claws, so that the fixation of the heating component by a metal spring is replaced, and the cost can be effectively reduced.
Drawings
FIG. 1 is an exploded view of a heating monotube according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 according to the present invention;
FIG. 3 is a cross-sectional view of an uncompressed heated single tube of the present invention;
FIG. 4 is a cross-sectional view of the heated single tube of the present invention when compressed;
FIG. 5 is a schematic view of a heating element according to the present invention;
FIG. 6 is an exploded view of a heating tube according to the present invention;
FIG. 7 is a schematic structural view of a lower housing according to the present invention;
FIG. 8 is a schematic view of a portion of the lower housing of the present invention after a heating assembly is installed thereon;
fig. 9 is a schematic view of the overall structure of the heater of the present invention.
1-a shell; 11-an upper shell; 12-a lower housing; 121-a spring claw; 122-a card slot; 13-a connector; 2-a heating assembly; 21-heating a single tube; 211-a conductive outer shell; 212-an insulating frame; 2121-a containing groove; 2122-opening; 2123-transverse partition; 213-heating sheet; 214-a first electrode sheet; 2141-a first electrode tip; 2142-first bend; 215-an insulating film; 22-heat dissipation strips; 23-a second electrode sheet; 231-a second electrode tip; 232-second bend.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention. In the drawings, the size and relative sizes of certain features may be exaggerated for clarity.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected" and "coupled" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; the term "connecting" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and a person skilled in the art can understand the specific meaning of the above terms in the present invention in a specific case.
In the description of the present invention, the terms "upper", "lower", "left", "right", "front", "rear", and the like are used in the orientations and positional relationships shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the designated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In addition, in the description of the present invention, the terms "first" and "second" are used only for descriptive distinction.
Example 1
As shown in fig. 1-4 of the specification, the present invention provides an auxiliary heating PTC heating single tube for an automobile, where the heating single tube 21 includes a conductive outer shell 211, and an insulating frame 212, a heating sheet 213, and a first electrode sheet 214 are disposed in the conductive outer shell 211, and in order to ensure that the conductive outer shell 211 has good heat conductivity, electrical conductivity, and deformation requirements, the conductive outer shell 211 is made of a metal material, preferably an aluminum shell; the heating plate 213 is a ceramic plate, in order to heat the single tube 21 for better heat conduction, the insulating frame 212 is provided with a containing groove 2121 capable of containing the first electrode plate 214 and the heating plate 213, the heating plate 213 is arranged above the first electrode plate 214, the first electrode plate 214 and the conductive housing cover 211 are insulated, in order to achieve better insulating effect, the bottom of the insulating frame is provided with an insulating film (the bottom of the insulating frame is referred to herein by reference to the drawings of fig. 3-4), that is, an insulating film 215 is arranged between the first electrode plate and the inner wall of the conductive housing cover, the insulating film 215 is an insulating film with good heat conductivity, preferably a polymer insulating film, and a polyamide film can be used; the insulating frame 212 is provided with an opening 2122 through which the heat generating sheet 213 can pass, the heat generating sheet 213 extends to be attached to the inner wall of the conductive housing 212 to form a good heat conduction, two surfaces of the first electrode sheet 214 are respectively attached to the heat generating sheet 213 and the insulating film 215, one end of the first electrode sheet 214 extends out of the conductive housing 211 to form a first electrode head 2141, and one side of the first electrode sheet 214 close to the first electrode head 2141 is provided with an integrally formed first bending part 2142.
Further, the insulating frame 212 further includes lateral partitions 2123, at least two sets of the lateral partitions 2123 are arranged parallel to the shorter end of the insulating frame 212, each set of the lateral partitions 2123 includes two parallel partition rods, the surface of the lateral partition 2123 is lower than the surface of the insulating frame 212 on the side where the insulating film 215 is installed, a space for placing the first electrode sheet 214 is formed by the side wall of the insulating frame 212, the lateral partitions 2123 and the insulating film 215 in a surrounding manner, and a space for placing the heating sheet 213 is formed by the adjacent two sets of the lateral partitions 2123 and the insulating frame 212 in a surrounding manner; the distance between the surface of the transverse partition 2123 and the surface of the insulating frame 212 may be determined according to the thickness of the first electrode plate 214, and is generally 0.5mm to 1.0mm, and the optimal distance is 0.8mm, when there is only one heat generating sheet 213, two ends of the heat generating sheet 213 are respectively provided with a set of transverse partitions 2123, and when there are a plurality of heat generating sheets 213, the sets of transverse partitions 2123 form spaces for accommodating the heat generating sheets 213, the number of the spaces being the same as the number of the heat generating sheets 213.
The process for heating the single tube comprises the steps of firstly installing the first electrode plate 214 in the accommodating groove 2121 in the insulating frame 212, adhering the insulating film 215 to the lower surfaces of the first electrode plate 214 and the insulating frame 212, placing the heating sheet 213 in the insulating frame 212 and above the first electrode plate 214, contacting the lower surface of the heating sheet 213 with the upper surface of the first electrode plate 214, then inserting the assembled parts into the conductive shell sleeve 211, applying 80-100 KN pressure under a press machine to enable the conductive shell sleeve 211 to be in a plastic deformation state, and finishing the assembly of the heating single tube 21 in a compressed state as shown in figure 4.
Example 2
As shown in the attached fig. 5, the invention provides an automobile auxiliary heating PTC heating assembly, the heating assembly 2 includes at least one heating single tube 21, a heat dissipation strip 22 and a second electrode plate 23, the heating single tube 21 and the second electrode plate 23 are alternately arranged on two sides of the heat dissipation strip 22; the heat dissipation strip 22 is used for conducting heat conduction on heat generated by the heating sheet 213, the heat dissipation strip 22 is adhered to one side of the heating single tube 21 and the second electrode sheet 23 with large area, for firm adhesion and better heat conduction, the heat dissipation strip 22 is tightly adhered by a high-temperature silica gel adhesive, when the heating assembly 2 only comprises one heat dissipation strip 22, one second electrode sheet 23 and one heating single tube 21, the heat dissipation strip 22 is arranged between the heating single tube 21 and the second electrode sheet 23, when the heating assembly comprises a plurality of heat dissipation strips 22, a plurality of second electrode sheets 23 and a plurality of heating single tubes 21, the heating single tubes 21 and the second electrode sheets 23 are sequentially and alternately arranged in the adjacent heat dissipation strips 22, namely, the heat dissipation strips 22 are arranged on two sides of each heating single tube 21, the heat dissipation strips 22 are arranged on two sides of each second electrode sheet 23, one heat dissipation strip 22 is shared between the adjacent heating single tubes 21 and second electrode sheets 23, and sufficient contact between the heating single tubes 21, the second electrode sheets 23 and the heat dissipation strips 22 is ensured so as to be optimized, the radiating strips are preferably made of aluminum materials and have good electric conduction and heat conduction performance.
Further, the second electrode sheet 23 extends towards the first electrode head 2141 to form the second electrode head 231, an integrally formed second bent portion 232 is disposed at an end of the second electrode sheet 23 close to the second electrode head 231, the first electrode sheet 214 and the second electrode sheet 23 have the same height, and the first bent portion 2142 and the second bent portion 232 are located at the same installation height, which is convenient for installation.
The assembly process of the heating assembly 2 is that two large surfaces of the heating single tube 21 are attached to the heat dissipation strips 22, the heat dissipation strips 22 are attached to the second electrode plates 23, the heating single tube 21 and the second electrode plates 23 are sequentially and alternately arranged between the adjacent heat dissipation strips 22, the contact surfaces of the parts are all brushed with high-temperature adhesives, then the heating single tube 21, the heat dissipation strips 22 and the second electrode plates 23 are clamped tightly through a tool, and the assembly of the heating assembly can be completed through high-temperature curing; the curing can be carried out at a temperature of 170 ℃ for 90 min.
The working principle of the heating assembly is that the first electrode plate can be a positive electrode plate or a negative electrode plate, the electrode of the second electrode plate is different from the electrode of the first electrode plate, the first electrode plate is taken as the positive electrode plate, the second electrode plate is taken as the negative electrode plate for example, the first electrode plate 214 is tightly attached to the heating plate 213 to form a positive electrode leading-out end, the other side of the heating plate 213 is tightly attached to the conductive shell cover 211, the outer side wall of the conductive shell cover 211 is tightly attached to the heat dissipation strip 22, the heat dissipation strip 22 is tightly attached to the second electrode plate 23, and the second electrode plate 23 is taken as the negative electrode leading-out end of the heating plate 213 to form the heating assembly 2.
Example 3
As shown in fig. 6 to 9 of the specification, the present invention provides an auxiliary heating PTC heater for an automobile, comprising a housing 1 and the heating element 2 as described above, wherein the heating element 2 is installed in the housing 1, the housing 1 comprises an upper housing 11, a lower housing 12 and a connector 13, a plurality of elastic claws 121 facing the heating element 2 are arranged on an inner side of the lower housing 12, the upper housing 11 and the lower housing 12 are detachably connected by a snap, the connector 13 is detachably connected with the upper housing 11 and the lower housing 12 by a snap, the connector 13 is arranged at one end of the upper housing 11 and the lower housing 12, namely at one end of the first electrode tip 2141 and one end of the second electrode tip 231, the connector 13 is further provided with a groove for accommodating the first electrode tip 2141 and the second electrode tip 231, and can be used for wire connection, the first electrode tip 214 and the second electrode tip 23 are formed integrally, the heating function of the heater can be realized after the whole vehicle power supply wire harness is in butt joint with the connector 13, and the problem of local over-high heating caused by overlarge contact resistance is solved; in order to prevent the first and second electrode plates 214 and 23 from moving relative to the heat generating plate 213 during the insertion process, the first and second electrode plates 214 and 23 may be fixed, and the inner side of the lower housing 12 is provided with a plurality of slots 122 capable of receiving the first and second electrode plates 214 and 23, and preferably, the first and second bent portions 2141 and 232 are clamped in the slots 122, so as to be more secure.
When the heater assembles, place heating element 2 in lower casing 12, bullet claw 121 can fix heating element 2, avoid taking place the position and remove, first portion 2141 of bending and the 232 card of second portion of bending are in draw-in groove 122, then buckle upper housing 11, both can dismantle the connection through the buckle, then install the one end of upper and lower casing with plug connector 13 detachable, first electrode tip 2141 and second electrode tip 231 are located plug connector 13.
It should be understood by those skilled in the art that the present invention may be embodied in many other specific forms without departing from the spirit or scope of the invention. Although an embodiment of the present invention has been described, it is to be understood that the present invention should not be limited to this embodiment, and variations and modifications can be made by those skilled in the art within the spirit and scope of the present invention as defined in the appended claims.
Claims (10)
1. The utility model provides a car is assisted hot PTC and is heated single tube, its characterized in that, includes conductive shell cover, be provided with insulating frame, heating element and first electrode piece in the conductive shell cover, be provided with in the insulating frame and hold the storage tank of first electrode piece and heating element, the heating element sets up the top of first electrode piece, still set up the confession on the insulating frame the opening that the heating element passed, just the heating element extend to with the inner wall laminating of conductive shell cover, the one end of first electrode piece extends conductive shell cover and formation first electrode tip.
2. The automotive auxiliary heating PTC heating monotube of claim 1, wherein an insulating film is disposed at a bottom end of the insulating frame, and the accommodating groove is defined between a side wall of the insulating frame and the insulating film.
3. The automotive auxiliary heating PTC heating single tube according to claim 1, wherein the insulation frame is further provided with transverse partitions, the transverse partitions are arranged in parallel with the shorter end of the insulation frame and are at least two groups, and a heating sheet is arranged between each two adjacent groups of transverse partitions and the side wall of the insulation frame.
4. The vehicle auxiliary heating PTC single tube according to claim 1, wherein a side of the first electrode tab adjacent to the first electrode tab is provided with an integrally formed first bent portion.
5. An automobile auxiliary heating PTC heating assembly, characterized by comprising at least one heat dissipation strip, a second electrode plate and a single heating tube according to any one of claims 1 to 4, wherein the single heating tube and the second electrode plate are alternately arranged on both sides of the heat dissipation strip.
6. The automotive auxiliary heating PTC heating assembly according to claim 5, wherein the heating single tube and the second electrode sheet are connected to the heat dissipation strip by high-temperature silicone adhesive, respectively.
7. The auxiliary heating PTC heating assembly for vehicles according to claim 5, wherein the second electrode tab extends toward the first electrode tab and forms a second electrode tab, and one end of the second electrode tab adjacent to the second electrode tab is provided with an integrally formed second bent portion.
8. An automotive auxiliary heating PTC heater comprising a housing and a heating assembly according to any one of claims 5-7 mounted within the housing.
9. The auxiliary heating PTC heater for vehicles according to claim 8, wherein the housing comprises an upper housing, a lower housing and a connector, an inner side of the lower housing is provided with a plurality of elastic claws facing the heating module, the upper housing and the lower housing are detachably coupled, and the connector is detachably coupled with the upper housing and the lower housing.
10. The auxiliary heating PTC heater for vehicles according to claim 8, wherein a plurality of catching grooves for receiving the first and second electrode sheets are provided on the inner side of the lower case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559345.0A CN113347747A (en) | 2021-05-21 | 2021-05-21 | Car is assisted hot PTC heating monotube, heating element and heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559345.0A CN113347747A (en) | 2021-05-21 | 2021-05-21 | Car is assisted hot PTC heating monotube, heating element and heater |
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| Publication Number | Publication Date |
|---|---|
| CN113347747A true CN113347747A (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110559345.0A Pending CN113347747A (en) | 2021-05-21 | 2021-05-21 | Car is assisted hot PTC heating monotube, heating element and heater |
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| CN (1) | CN113347747A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1673642A (en) * | 2004-03-22 | 2005-09-28 | 汉拏空调株式会社 | Electric heater |
| CN215300947U (en) * | 2021-05-21 | 2021-12-24 | 孝感华工高理电子有限公司 | Car is assisted hot PTC heating monotube, heating element and heater |
-
2021
- 2021-05-21 CN CN202110559345.0A patent/CN113347747A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1673642A (en) * | 2004-03-22 | 2005-09-28 | 汉拏空调株式会社 | Electric heater |
| CN215300947U (en) * | 2021-05-21 | 2021-12-24 | 孝感华工高理电子有限公司 | Car is assisted hot PTC heating monotube, heating element and heater |
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