CN100565032C - The electric connection structure of warm air machine heater - Google Patents
The electric connection structure of warm air machine heater Download PDFInfo
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- CN100565032C CN100565032C CNB2006100628209A CN200610062820A CN100565032C CN 100565032 C CN100565032 C CN 100565032C CN B2006100628209 A CNB2006100628209 A CN B2006100628209A CN 200610062820 A CN200610062820 A CN 200610062820A CN 100565032 C CN100565032 C CN 100565032C
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Abstract
A kind of electric connection structure of warm air machine heater, one or more electric connection terminals (20) and heat generating component support (30) that this structure comprises PTC heat generating component (10), is connected with the PTC heat generating component, it is characterized in that, in described one or more electric connection terminal (20), one of them first electric connection terminal (21) is arranged at the nearly upper side of PTC heat generating component (10), and remaining second electric connection terminal (22) is arranged at the top of PTC heat generating component (10).Electric connection structure of the present invention can make the easy to assembly quick of PTC electrothermal device, can save a large amount of leads again, and make the electrical connection of PTC electrothermal device safe and reliable.
Description
[technical field]
The present invention relates to heat the warm-air drier that room air is used, particularly relate to a kind of electric connection structure of the warm air machine heater of saving material and being convenient to assemble.
[background technology]
On small-sized household electric heating products such as warm-air drier, be equipped with electric heater unit, be used for media such as air, water are heated.Traditional electric heating device comprises resistance wire, electric heating piece, electrothermal tube etc., the no temp regulating function of this class electrothermal device self, thereby service life is short, fault rate height, poor stability.The electrothermal device that another kind is called PTC (positive temperature coefficient) then replaces traditional heater members because of it has advantages such as reliability height, easy to use, safe, power saving, is widely used in various fields such as electric power facility, electronic equipment and automobile industry.This PTC electrothermal device is a kind of semiconductor function ceramics with positive temperature coefficient.PTC at transition temperature (Tc) before, resistance descends with the rising of temperature; Temperature from transition temperature to the design maximum temperature before, resistance is phenomenal growth with the rising of temperature, forms the PTC effect.Utilize the PTC effect,, can make the PTC thermal sensitive ceramics of different purposes according to different temperatures coefficient.
PTC electrothermal device on the existing warm-air drier all uses with the fin combination, metal heat sink is equipped with in both sides at the PTC electrothermal device, the heat that the PTC electrothermal device produces through radiator to external radiation, the air of being sent into by the wind wheel that is arranged at the electrothermal device rear portion is heated, and hot blast forwards blows out through radiator.The temperature controller of control PTC heating-up temperature is housed at the top of PTC electrothermal device.Reach gauge tap or the circuit board that operation knob is housed and is attached thereto in the body on the body of PTC electrothermal device top.The PTC electrothermal device is connected with gauge tap or circuit board by the electric connection terminal of being located at its end.Owing at PTC electrothermal device top temperature controller is housed, makes the installation site of electric connection terminal be restricted.Therefore the electric connection terminal of traditional PTC electrothermal device all is arranged on its bottom, be connected with long lead between the circuit board at terminal and body top, obviously, this structure not only causes a large amount of wastes that connect lead, and taken space in the more machine, cause body volume to increase, and cause inconvenience and because lead pile warp heater and the issuable potential faults of installation.
[summary of the invention]
The present invention is intended to address the above problem, and a kind of the easy to assembly quick of PTC electrothermal device that can make is provided, and can save a large amount of leads again, and makes the electric connection structure of the safe and reliable warm air machine heater of the electrical connection of PTC electrothermal device.
For achieving the above object, the invention provides a kind of electric connection structure of warm air machine heater, this structure comprises PTC heat generating component, the one or more electric connection terminals that are connected with the PTC heat generating component and heat generating component support, it is characterized in that, in described one or more electric connection terminal, one of them first electric connection terminal is arranged at the nearly upper side of PTC heat generating component, and remaining second electric connection terminal is arranged at the top of PTC heat generating component.
In described one or more electric connection terminal, one of them first electric connection terminal is arranged at nearly upper side of PTC heat generating component and the corresponding position of temperature controller that is contained in PTC heat generating component top, and remaining second electric connection terminal is arranged at the both sides of PTC heat generating component head temperature controller.
The PTC heat generating component comprises at least one PTC heating sheet, is connected at least one group of metal heat sink of PTC heating sheet both sides and the metal side plate that is connected in single group radiator both sides or connects many group radiators.
The both sides of PTC heating sheet are provided with electrode, and this electrode is that the end of its each salient point is tip shape at the aluminium-plated or silver-colored formed multi-convex point formula electrode of both side surface of PTC heating sheet.
First electric connection terminal is located at a side along its length of described side plate, and protrude from the side surface of PTC heat generating component, it is corresponding with the temperature controller that is contained in PTC heat generating component top that it is provided with the position, and first electric connection terminal forms conduction with side plate and PTC heating sheet and is connected.
Second electric connection terminal is located at the upper end of described side plate, and protrudes from the end face of PTC heat generating component, and second electric connection terminal forms conduction with side plate and PTC heating sheet and is connected.
First electric connection terminal or second electric connection terminal can be in the upper end of side plate or lateral edges upwards or stretch out formed and the integral structure side plate one, also can or be riveted on the upper end or the lateral edges of side plate with the independent terminals welding.
Be provided with the axially extending bore that places for first electric connection terminal by top at the heat generating component support.
Contribution of the present invention is that it efficiently solves the electrical connection problem of PTC heat generating component.Because the electric connection terminal of PTC heat generating component is arranged on its top, shortened the distance between terminal and circuit board greatly, only can realize connecting with very short lead, therefore can save a large amount of leads, and make the shared space of lead reduce greatly.Simultaneously, by electric connection terminal being set, efficiently solve the problem that is provided with of the terminal of temperature controller position again in PTC heat generating component side.Clearly, because electric connection terminal is positioned at the top of PTC heat generating component, it is more convenient to make that electric connection terminal is connected with the lead of circuit board, has improved efficiency of assembling greatly.Also, therefore eliminated because the accident potential that lead is heated and may causes because lead need not pile warp PTC heat generating component.
[description of drawings]
Fig. 1 is PTC heat generating component of the present invention and electric connection terminal structural upright schematic diagram.
Fig. 2 is a parts exploded perspective schematic diagram of the present invention.
Fig. 3 is a structure cutaway view of the present invention.
Fig. 4 is a PTC heat generating component parts exploded perspective schematic diagram of the present invention.
Fig. 5 is PTC heat generating component of the present invention and electric connection terminal and warm-air drier syndeton schematic perspective view.
Fig. 6 is PTC heat generating component of the present invention and electric connection terminal and another schematic perspective view of warm-air drier syndeton.
Fig. 7 is PTC heat generating component of the present invention and electric connection terminal and warm-air drier syndeton parts exploded perspective schematic diagram.
[specific embodiment]
The following example is to further explanation of the present invention and explanation, and the present invention is not constituted any limitation.
The electric connection structure of warm air machine heater of the present invention relates generally to the electrical connections of the electrothermal device of warm-air drier, and the other parts of warm-air drier are not described further.
Consult Fig. 2, Fig. 3, the electric connection structure of this warm air machine heater comprises PTC heat generating component 10, electric connection terminal 20 and heat generating component support 30.Described PTC heat generating component 10 structures as shown in Figure 1, it comprises PTC heating sheet 11, metal heat sink 12 and metal side plate 13, the volume of Jia Re area and warm-air drier is different as required, PTC heating sheet 11 can be that a heating sheet is used with single group radiator 12, also can be that a plurality of heating sheets are used with many group radiators.As shown in Figure 4, this PTC heating sheet is the bar shaped plates, commercially available acquisition, and it is installed between two unit radiators 121 of every group of radiator 12.Shorter because of common PTC heating leaf length, therefore can between two unit radiators 121, install multi-disc PTC heating sheet 11, the biside plate 13 usefulness high-temperature plastics of the opposite side of PTC heating sheet and two unit radiators 121 are adhesively fixed.Both sides at each PTC heating sheet 11 are provided with electrode 111, because of this electrode 111 must pass with the bonding insulation adhesive linkage of biside plate 13 could with metal side plate 13 conductings, therefore pass through aluminium spraying or silver in the both side surface of PTC heating sheet, form irregular multi-convex point formula electrode, they irregularly are covered with the both side surface of PTC heating sheet, when aluminium spraying or silver, make the end of each salient point of electrode form sharp-pointed thorn-like tip, make it to pierce through the adhesive linkage of bonding electrode 111 and biside plate 13, be connected and form conduction with side plate 13 contacts.Each PTC heating sheet is connected with the gauge tap 80 that is contained in body 70 internal upper parts by electric connection terminal 20 usefulness leads, and 80 of gauge taps are connected with the switching knob 90 that is contained in the body top, is powered to the PTC sheet that generates heat by external power source.External power source is connected to PTC heating sheet 11 through electric connection terminal 20, side plate 13, PTC heating plate electrode 111.The corrugated metal heat sink that described radiator 12 connects for front and back.Single group radiator is made of two unit radiators 121, each unit radiator 121 is made of two corrugated plates 1211 and two blocks of side plates 13, described corrugated plate is formed by an aluminum alloy plate materials backfin, article two, the both sides of corrugated plate are fixing with side plate 13 welding of its both sides respectively, forming cross section one by one between the ripple of corrugated plate and the ripple is the air channel that subtriangular front and back connect, and hot wind supply passes through.Among Fig. 1, Fig. 2 and Fig. 4, many group radiators 12 are linked to be an integral body by a plurality of side plates 13, a PTC heating sheet 11 is housed between two unit radiators 121 of every group of radiator, the whole PTC heat generating component 10 that formation is made of a plurality of PTC heating sheets and a plurality of radiator, this heat generating component 10 is screwed in the front side of heat generating component support 30.The rear side of heat generating component support 30 is connected with motor 50, and wind wheel 60 is housed on the motor output shaft, is rotated by the motor-driven wind wheel.The air that enters warm-air drier blows to air outlet by wind wheel with hot blast again by 10 heating of PTC heat generating component.At PTC heat generating component 10 tops temperature controller 40 is housed, is used to control the heating-up temperature of PTC heat generating component.
Main points of the present invention are, to be arranged at the top and the side of PTC heat generating component respectively with generate heat electric connection terminal 20 that sheet is connected of PTC, as Fig. 1～shown in Figure 4, top at the PTC heat generating component of being made up of four PTC heating sheets and four groups of radiators 10 is provided with four second electric connection terminals 22, this second electric connection terminal 22 is located at the upper end of described side plate 13, and protrudes from the end face of PTC heat generating component 10.Second electric connection terminal 22 can be the integral structure by aluminium sheet and the whole machine-shaping of side plate, also can be that the upper end of side plate 13 or the split type syndeton of lateral edges are welded or be riveted on to independent terminals, in this example, second electric connection terminal 22 is to extend upward formed integral structure in the upper end of side plate 13.Because each unit radiator 121 welds with the side plate 13 of both sides, side plate forms multipoint mode with the electrode 111 of PTC heating sheet 11 again and is connected, and therefore makes PTC heating sheet form conduction with external power source by second electric connection terminal 22, side plate 13, radiator 12 and PTC heating plate electrode and is connected.
Because of temperature controller 40 must be contained in PTC heat generating component 10 tops, make and to draw from PTC heat generating component top at the electric connection terminal of temperature controller position, for this reason, another main points of the present invention are to draw from PTC heat generating component side with the electric connection terminal of temperature controller 40 opposite positions.As Fig. 1, Fig. 2 and shown in Figure 4, nearly upper side central authorities at PTC heat generating component 10 are provided with first electric connection terminal 21, this first electric connection terminal 21 is located at a side along its length of described side plate 13, and protrude from the side surface of PTC heat generating component 10, it is corresponding with the temperature controller 40 that is contained in PTC heat generating component 10 tops that it is provided with the position, it is vertical with second electric connection terminal 22 that it is provided with direction, and first electric connection terminal 21 forms conduction with side plate 13 and PTC heating sheet 11 and is connected.Identical with second electric connection terminal, 22 structures, first electric connection terminal 21 can be the integral structure by aluminium sheet and the whole machine-shaping of side plate, also can be that the upper end of side plate 13 or the split type syndeton of lateral edges are welded or be riveted on to independent terminals.As Fig. 3, Fig. 5 and shown in Figure 6, when PTC heat generating component 10 is attached on the heat generating component support 30, first electric connection terminal 21 is placed through heat generating component support 30 by in the upper axial through hole 31, and the lead that is connected with first electric connection terminal 21 is drawn in 23 holes 32 by heat generating component support 30 tops.
Fig. 5～7 show the application example of electric connection structure on warm-air drier of warm air machine heater of the present invention, wherein, Fig. 5 is the blower structure schematic diagram that has removed front housing, motor and wind wheel that is provided with the electric connection structure of warm air machine heater of the present invention, Fig. 6 is the blower structure schematic diagram that has removed back cabinet, and Fig. 7 then is a warm-air drier overall structure exploded view.As Fig. 7, the body 70 of warm-air drier is by front housing 71, back cabinet 72 snappings, and is formed by connecting with screw, and the body top is equipped with power switch and knob 90 is set, and 90 of knobs are connected with the gauge tap 80 that is contained in the body top.Among Fig. 5, the locating slot 33 that PTC heat generating component 10 inserts heat generating component supports 30 both sides by a plurality of spacers 131 with its both sides is fixed in the front end of heat generating component support 30.First electric connection terminal 21 that is arranged in PTC heat generating component side is placed through the through hole 31 of heat generating component support 30, and the lead that is connected with first electric connection terminal 21 is drawn in 23 holes 32 by heat generating component support 30 tops, and is connected with gauge tap 80.Among Fig. 6, Fig. 7, the PTC heat generating component 10 that is contained in heat generating component support 30 front sides places the air outlet place on the casing 71.By this application example as seen, second electric connection terminal 22, first electric connection terminal 21 that are positioned at PTC heat generating component 10 tops and side are near gauge tap 80, can will be connected with circuit board with very short lead in the PTC heat generating component, not only can save a large amount of leads and production cost, and simple installation is quick.
Although by above embodiment the present invention is disclosed, scope of the present invention is not limited thereto, do not departing under the condition of the present invention design, more than each element can replace with the similar or equivalent element that affiliated technical field personnel understand.
Claims (7)
1, a kind of electric connection structure of warm air machine heater, a plurality of electric connection terminals (20) that comprise PTC heat generating component (10), are connected and heat generating component support (30) with the PTC heat generating component, it is characterized in that, in described a plurality of electric connection terminal (20), one of them first electric connection terminal (21) is arranged at nearly upper side of PTC heat generating component (10) and the corresponding position of temperature controller (40) that is contained in PTC heat generating component (10) top, and remaining second electric connection terminal (22) is arranged at the both sides of PTC heat generating component (10) head temperature controller (40).
2, the electric connection structure of warm air machine heater as claimed in claim 1, it is characterized in that, described PTC heat generating component (10) comprises at least one PTC heating sheet (11) and at least one group of metal heat sink (12), each PTC heating sheet (11) all is arranged between two unit radiators (121) of its corresponding one group of metal heat sink, and be connected with two metal side plate (13) of the opposite side of these two unit radiators, single group metal heat sink two outsides also are connected with a metal side plate (13) respectively, a shared metal side plate (13) between the two adjacent groups metal heat sink (12) fuses thereby will organize radiator more.
3, the electric connection structure of warm air machine heater as claimed in claim 2, it is characterized in that, the both sides of described PTC heating sheet (11) are provided with electrode (111), and this electrode is that the end of its each salient point is tip shape at the aluminium-plated or silver-colored formed multi-convex point formula electrode of both side surface of PTC heating sheet.
4, the electric connection structure of warm air machine heater as claimed in claim 3, it is characterized in that, described first electric connection terminal (21) is located at a side along its length of metal side plate (13) correspondingly, and protruding from the side surface of PTC heat generating component (10), first electric connection terminal (21) forms conduction with corresponding metal side plate (13) and PTC heating sheet (11) and is connected.
5, the electric connection structure of warm air machine heater as claimed in claim 3, it is characterized in that, described second electric connection terminal (22) is located at the upper end of metal side plate (13) correspondingly, and protruding from the end face of PTC heat generating component (10), second electric connection terminal (22) forms conduction with corresponding metal side plate (13) and PTC heating sheet (11) and is connected.
6, as the electric connection structure of claim 4 or 5 described warm air machine heaters, it is characterized in that, described first electric connection terminal (21) is stretch out formed and an integral structure this metal side plate one of the lateral edges in metal side plate (13), or with the independent terminals welding or be riveted on the formed split-type structural of lateral edges of metal side plate (13); Second electric connection terminal (22) is to extend upward formed in the upper end of metal side plate (13) and integral structure this metal side plate one, or independent terminals is welded or is riveted on the formed split-type structural in upper end of metal side plate (13).
7, as the electric connection structure of claim 3 or 4 described warm air machine heaters, it is characterized in that, be provided with the axially extending bore (31) that places for first electric connection terminal (21) by top at heat generating component support (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100628209A CN100565032C (en) | 2006-09-27 | 2006-09-27 | The electric connection structure of warm air machine heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100628209A CN100565032C (en) | 2006-09-27 | 2006-09-27 | The electric connection structure of warm air machine heater |
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| Publication Number | Publication Date |
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| CN1945159A CN1945159A (en) | 2007-04-11 |
| CN100565032C true CN100565032C (en) | 2009-12-02 |
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| CNB2006100628209A Active CN100565032C (en) | 2006-09-27 | 2006-09-27 | The electric connection structure of warm air machine heater |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662651B (en) * | 2018-07-16 | 2024-01-19 | 珠海格力电器股份有限公司 | Heating element, warm air blower and warm air system |
| CN111089424B (en) * | 2018-10-23 | 2021-04-16 | 东翰生技股份有限公司 | Heating device and heating sheet fixing frame thereof |
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Assignee: Shenzhen Sunzone Electrical Apparatus Ltd. Assignor: Gao Tianyu Contract record no.: 2011440020043 Denomination of invention: Electric connection structure for warm air machine heater Granted publication date: 20091202 License type: Exclusive License Open date: 20070411 Record date: 20110309 |