CN101715255B - Ptc heater structure - Google Patents
Ptc heater structure Download PDFInfo
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- CN101715255B CN101715255B CN2008101670132A CN200810167013A CN101715255B CN 101715255 B CN101715255 B CN 101715255B CN 2008101670132 A CN2008101670132 A CN 2008101670132A CN 200810167013 A CN200810167013 A CN 200810167013A CN 101715255 B CN101715255 B CN 101715255B
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Abstract
The invention provides a PTC heater structure. A middle insulating plate is mainly clamped between two conducting plates with different electric polarities, and the position of the middle insulating plate corresponding to each PTC thermistor is provided with a notch through which the PTC thermistor penetrates. The two conducting plates with different electric polarities are firmly partitioned and insulated by the installation of the middle insulating plate, and the assembly of the PTC thermistors is more stable.
Description
[technical field]
The present invention relates to a kind of PTC heater structure, refer to especially a kind ofly can be really two conductive plates that are positioned at the different electric polarities of the inboard tool of PTC heater be separated insulation, have more the PTC heater structure of fail safe during in order to do energising.
[background technology]
No. the 5125070th, U.S.'s patent of invention, name is called: PTC heater (Positive TemperatureCoefficient Thermistors) patent case (hereinafter to be referred as preceding case), by the inventor is invented and is applied for (as shown in Figures 1 to 3), the structure of preceding case mainly is to be provided with the poroid PTC thermal resistor 10 of a plurality of honeycombs in the centre, have corresponding each PTC thermal resistor 10 position of a metallic conduction plate 11,12, two conductive plates 11,12 plate faces in the both sides of a plurality of PTC thermal resistors 10 respectively and have notch 110,120; Wherein, notch 110 inwalls of a conductive plate 11 cooperate the face area projection tab area of PTC thermal resistor 10 to be separated with location notch 111, and notch 120 inwalls of another conductive plate 12 are then to flexible 121 of PTC thermal resistor 10 end face consubstantiality projection.Be respectively arranged with the insulation board 13 of a plurality of notches in two conductive plates, 11,12 outsides, again with locked assembly 14 with above-mentioned member in conjunction with after, the power connection end 112,122 of two conductive plates 11,12 is connected with the mains respectively again, then PTC thermal resistor 10 two ends blow to PTC heater by fan the heat temperature of PTC thermal resistor 10 are taken out of through the notch 110,120 of conductive plate 11,12 and the notch of insulation board 13 because of the energising generation thermal source that generates heat.In addition, for preventing that two conductive plates 11,12 are because of producing superheating phenomenon with 10 liang of end in contact of PTC thermal resistor, before case the heat-conducting plate 15 of the plural notch of tool contacts with conductive plate 11,12 in also having additional between conductive plate 11,12 and the insulation board 13 again, to disperse the temperature of two conductive plates 11,12.
After the structure of case is formed before above-mentioned, promptly shown in Fig. 2,3, in the centre, two heat-conducting plates 15 and two insulation boards 13 are arranged in the outside of conductive plate 11,12 to two conductive plates 11,12 more in regular turn with a plurality of PTC thermal resistor 10 clampings, and with locked assembly 14 with each member combination.Borrow PTC thermal resistor 10 1 end faces to embed the location notch 111 of a conductive plate 11, the other end is withstood by the flexure strip 121 of another conductive plate 12, tool compactness when making PTC thermal resistor 10 by two conductive plates, 11,12 clampings.The positive and negative electricity that the power connection end 112,122 of two conductive plates 11,12 is connected with the mains respectively, PTC thermal resistor 10 both ends of the surface, one energising effect heating immediately forms thermal source.
Case connects two conductive plates 11,12 of positive and negative polarity power supply respectively before above-mentioned, the two PTC thermal resistor 10 that only relies on dispersed arrangement separates, the thickness of PTC thermal resistor 10 is little, so that two electropolar conductive plate 11,12 partition distance of difference are little, disappearance with poor insulativity, if each locked assembly 14 in conjunction with the time application of force packing degree inequality, two conductive plates, 11,12 partition distance are furthered, so easily cause poor insulativity, very likely make two conductive plates 11,12 form contact short circuit, cause the misgivings on the safety.Moreover, PTC thermal resistor 10 clampings are between two conductive plates 11,12, one end face only embeds in the little location notch 111 of a conductive plate 11 groove depths a little, the other end is withstood by the flexure strip 121 of another conductive plate 12 then, integrated structure like this, PTC thermal resistor 10 are easy to because of the not enough slippage of building-in depth.
[summary of the invention]
The object of the present invention is to provide a kind of PTC heater structure, separate insulation really will connect different electropolar two conductive plates, to guarantee safety in utilization.
A kind of PTC heater structure of the present invention, principal character is: be folded with an intermediate insulation plate between two electropolar conductive plates of difference, corresponding each the PTC thermal resistor position of this intermediate insulation plate is provided with notch, wears wherein for the PTC thermal resistor.By the setting of intermediate insulation plate, so that two different electropolar conductive plates are separated really, insulate, and make the assembling of PTC thermal resistor more firm.
Wherein, the both sides of intermediate insulation plate two corresponding outer rims have a bonding jumper respectively, and the two ends evagination of bonding jumper, evagination partly can ride over the shoulder of two external insulation plate outer rims, and the intermediate insulation plate can not slided arbitrarily.
Wherein, in the outside of two conductive plates one heat-conducting plate can be set respectively, heat-conducting plate tool thermal conductivity is amplexiformed with two conductive plates respectively, makes the hot temperature of two conductive plates contact PTC thermal resistor can conduct to heat-conducting plate, to reduce the conductive plate temperature; Corresponding each the PTC thermal resistor of the plate face of two conductive plates is provided with the position and also has notch, and the hot temperature that the PTC thermal resistor is produced can be sent through notch smoothly.
Wherein, two conductive plates, the notch inwall of one of them conductive plate cooperates the face area of PTC thermal resistor to separate location notch, the notch inwall of another conductive plate then is extended with flexure strip to PTC thermal resistor opposite side end face consubstantiality, two conductive plate mat location notchs embed for PTC thermal resistor one end face, flexure strip is the other end of pushing tow PTC thermal resistor then, and PTC thermal resistor both ends of the surface are fixed.
A kind of PTC heater structure of the present invention, its advantage and effect are: the insulating properties that can guarantee two different electric polarity conductive plates; Can make the steadiness that fixedly has more of PTC thermal resistor.
[description of drawings]
The STRUCTURE DECOMPOSITION figure of case before Figure 1 shows that.
The assembled sectional view of case before Figure 2 shows that.
Figure 3 shows that the part enlarged drawing of second figure.
Figure 4 shows that the STRUCTURE DECOMPOSITION figure of the embodiment of the invention.
Figure 5 shows that the partial enlarged drawing () of the 4th figure.
Figure 6 shows that the partial enlarged drawing (two) of the 4th figure.
Figure 7 shows that the assembled sectional view of the embodiment of the invention.
Figure 8 shows that the part enlarged drawing of the 7th figure.
Figure 9 shows that the part assembled sectional view of the embodiment of the invention.
[concrete label declaration among the figure]
10, PTC thermal resistor 11,12, conductive plate 110,120, notch
111, location notch 121, flexure strip 13, insulation board
14, locked assembly 112,122, power connection end 15, heat-conducting plate
20, PTC thermal resistor 21,22, conductive plate
210,220,230,240,260, notch
211, location notch 22,1 flexure strip 212,222 power connection ends
23, heat-conducting plate 24, external insulation plate 241, lug
242, perforation 25, locked assembly 26, intermediate insulation plate
243, shoulder 261, bonding jumper
[embodiment]
Below in conjunction with accompanying drawing, technical scheme of the present invention is further described.
See also shown in Fig. 4 to 7, as the PTC heater structure such as preceding case of the embodiment of the invention, have:
A plurality of PTC thermal resistors 20, the centre has honeycomb, and both ends of the surface energising back is heatable, as the source of heat.
Two conductive plates 21,22, tool conductivity, corresponding each the PTC thermal resistor 20 of plate face is provided with the position and has notch 210,220; Wherein, notch 210 inwalls of one conductive plate 21 cooperate the face area projection of PTC thermal resistor 20 fin to be arranged to have separated location notch 211 (as shown in Figure 5), notch 220 inwalls of another conductive plate 22 then are extended with flexure strip 221 (as shown in Figure 6) to PTC thermal resistor 20 opposite side end face consubstantialities, two conductive plates 21,22 borrow location notch 211 to embed for PTC thermal resistor 20 1 end faces, PTC thermal resistor 20 both ends of the surface are fixed in the other end of 221 pushing tow PTC of flexure strip thermal resistor 20.And after the power connection end 212,222 of two conductive plates 21,22 connected positive and negative polarity power supply respectively, PTC thermal resistor 20 both ends of the surface can be generated heat because of energising.
Two heat-conducting plates 23, the tool thermal conductivity is located at the outside of two conductive plates 21,22 respectively and amplexiforms with two conductive plates 21,22, two conductive plates, 21,22 contact PTC thermal resistors 20 hot temperature can conduct to heat-conducting plate 23, to reduce conductive plate 21,22 temperature.Corresponding each the PTC thermal resistor 20 of the plate face of two heat-conducting plates 23 is provided with the position and also has notch 230, and the hot temperature that PTC thermal resistor 20 is produced can be sent through notch 230 smoothly.
Two external insulation plates 24 by heat-resisting, nonconducting insulation material made (material that adds glass fibre as pps or nylon is made), are located at the outside of two heat-conducting plates 23 respectively, and corresponding each the PTC thermal resistor 20 of plate face is provided with the position and is respectively equipped with notch 240.Outer rim has poroid lug 241, and has perforation 242 in the middle of the plate face.
A plurality of locked assemblies 25, in order to the lug 241 that runs through two external insulation plates 24 and bore a hole 242, with above-mentioned member in conjunction with packing.
The present invention's main improvement is:
Tool one intermediate insulation plate 26 (as shown in Figure 4), heat-resisting, the electrical insulating property of tool is located between two conductive plates 21,22, and corresponding each PTC thermal resistor 20 position of plate face all have notch 260 and wear wherein for PTC thermal resistor 20.Both sides in two corresponding outer rims of intermediate insulation plate 26 have a bonding jumper 261 respectively, and the two ends evagination of bonding jumper 261, evagination partly can ride over the shoulder 243 (shown in Fig. 4,9) of two external insulation plates, 24 outer rims, and intermediate insulation plate 26 can not slided arbitrarily.
Promptly as shown in Figure 7, the power connection end 212,222 of two conductive plates 21,22 connects the positive and negative electrode power supply respectively after above-mentioned member is made up in regular turn, and PTC thermal resistor 20 is because of the both ends of the surface energized formation thermal source that generates heat.The heat that PTC thermal resistor 20 is produced can conduct via the notch 210,220 of conductive plate 21,22, the notch 230 of heat-conducting plate 23 and the notch 240 of external insulation plate 24.Because therefore tool insulation, stable on heating intermediate insulation plate 26, can be with different electropolar conductive plates 21,22 to separate with two really, guarantee the insulating properties of two conductive plates 21,22 between the conductive plate 21,22 of two tool conducting functions.Moreover the plate mask notch 260 of intermediate insulation plate 26 can embed wherein for PTC thermal resistor 20, therefore, can make PTC thermal resistor 20 have more certain, steadiness on assembling is fixing.
Claims (2)
1. PTC heater structure comprises:
A plurality of PTC thermal resistors, the centre has honeycomb;
Two conductive plates, tool conductivity is connected different electropolar power supplys respectively, and in order to the PTC thermal resistor is clamped between the two, corresponding each the PTC thermal resistor of plate face is provided with the position and has notch;
Described two conductive plates, the notch inwall of one of them conductive plate cooperates the face area of PTC thermal resistor to separate location notch, the notch inwall of another conductive plate then is extended with flexure strip to PTC thermal resistor opposite side end face consubstantiality, two conductive plate location notchs embed for PTC thermal resistor one end face, flexure strip is the other end of pushing tow PTC thermal resistor then, and PTC thermal resistor both ends of the surface are fixed;
Two external insulation plates, by insulation, heat-resisting material is made, is located at the outside of two conductive plates respectively, corresponding each the PTC thermal resistor of plate face is provided with the position and also is provided with notch respectively; And
The a plurality of locked assemblies of tool are in order to run through two external insulation plates and the combination that locked;
It is characterized in that: this heater structure tool one intermediate insulation plate, this intermediate insulation plate tool electric insulation and thermal endurance are located between two conductive plates, and corresponding each the PTC thermal resistor position of plate face all has notch, wears wherein for the PTC thermal resistor; The both sides of two corresponding outer rims of described intermediate insulation plate have a bonding jumper respectively, and bonding jumper two ends evagination, evagination partly ride over the shoulder of two external insulation plate outer rims.
2. PTC heater structure according to claim 1, it is characterized in that: the outside of described two conductive plates is provided with a heat-conducting plate respectively, and heat-conducting plate tool thermal conductivity is amplexiformed with two conductive plates respectively, make the hot temperature of two conductive plates contact PTC thermal resistor conduct to heat-conducting plate, to reduce the conductive plate temperature; Corresponding each the PTC thermal resistor of the plate face of two conductive plates is provided with the position and also has notch, and the docile profit of the heat that the PTC thermal resistor is produced is sent through notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101670132A CN101715255B (en) | 2008-10-08 | 2008-10-08 | Ptc heater structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101670132A CN101715255B (en) | 2008-10-08 | 2008-10-08 | Ptc heater structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101715255A CN101715255A (en) | 2010-05-26 |
| CN101715255B true CN101715255B (en) | 2011-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101670132A Active CN101715255B (en) | 2008-10-08 | 2008-10-08 | Ptc heater structure |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542528B (en) * | 2012-07-13 | 2015-04-22 | 比亚迪股份有限公司 | Electric heating device and electric vehicle |
| CN103517469B (en) * | 2012-06-27 | 2015-03-04 | 比亚迪股份有限公司 | PTC electrical heating element, electric heater unit and electric car |
| DE102013110504B4 (en) | 2013-09-23 | 2018-02-01 | Chia-Hao Chang | Ceramic semiconductor capable of increasing the density of surrounding superoxide ions after heating |
| CN104582020B (en) * | 2013-10-22 | 2017-05-31 | 比亚迪股份有限公司 | PTC heats component and automotive defroster |
| CN108317497A (en) * | 2017-12-26 | 2018-07-24 | 宁波浩嘉电器有限公司 | A kind of Width funtion evaporator |
| KR102246518B1 (en) * | 2019-11-27 | 2021-04-30 | (주)하이엘 | Honeycomb-type high voltage type ptc heating-module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1984000275A1 (en) * | 1982-06-24 | 1984-01-19 | Matsushita Electric Ind Co Ltd | Panel heater |
| CN2074523U (en) * | 1990-03-15 | 1991-04-03 | 张崇泰 | Heating appliance with positive temperature coefficient |
| US5028763A (en) * | 1989-07-11 | 1991-07-02 | Chung Tai Chang | High heat dissipation PTC heater structure |
| US5125070A (en) * | 1989-07-11 | 1992-06-23 | Chung Tai Chang | PTC heater assembly with securely positioned PTC resistors |
| CN2665571Y (en) * | 2003-12-02 | 2004-12-22 | 天津大学 | PTC thermal sensitive ceramic electric heater |
-
2008
- 2008-10-08 CN CN2008101670132A patent/CN101715255B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1984000275A1 (en) * | 1982-06-24 | 1984-01-19 | Matsushita Electric Ind Co Ltd | Panel heater |
| US5028763A (en) * | 1989-07-11 | 1991-07-02 | Chung Tai Chang | High heat dissipation PTC heater structure |
| US5125070A (en) * | 1989-07-11 | 1992-06-23 | Chung Tai Chang | PTC heater assembly with securely positioned PTC resistors |
| CN2074523U (en) * | 1990-03-15 | 1991-04-03 | 张崇泰 | Heating appliance with positive temperature coefficient |
| CN2665571Y (en) * | 2003-12-02 | 2004-12-22 | 天津大学 | PTC thermal sensitive ceramic electric heater |
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| CN101715255A (en) | 2010-05-26 |
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