TWI337507B - - Google Patents

Description

IX. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a fin-type PTC heating H structure, in particular, a kind of insulating layer which can be surely placed on the inner side of a PTC heater having different electrodes. More secure PTC heater structure. [Prior Art] According to 'US Invention Patent No. 5 (10) 70 "PTC Heater" (p.

TemPerature CoefflcientThermist〇rs) is a special name (hereinafter referred to as the former case, the inventor invented the application (the figure is shown in the first three figures), the structure of the previous case is mainly the middle door, and there are multiple turns of the PTC thermal resistance body. , on Wei nc = both sides have a metal conductive plate U, 12, two conductive miscellaneous two groups of 甩 plate 11, 12 plate surface corresponding to each PTC thermal resistance body 10 position has notches 11 〇, 12 〇; The inner surface of the notch 110 of the bean is matched with the end surface area of the PTC thermal resistance body 1 : the positioning groove (1), and the notch 12 of the conductive plate 12 is the inner wall of the pTc thermal resistance body 1 The end face of the crucible has a bullet-like shape 121. The outer side of the two conductive plates n and 12 are respectively provided with a plurality of notches 13 of the notches, and then the upper (four) pieces are joined by the component 14, and the two conductive plates 11 12 are connected. The electric ir and 112, 122 are respectively connected to the power supply, then the pTC thermal resistance body 1 〇 〇 而 而 而 % % % % % % % % 务 务 务 产生 产生 产生 产生 产生 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉Through the slots 110, 12〇 of the conductive plate 1 and the notch of the insulating plate 13, the other is to prevent the two conductive plates u and 12 from contacting the two ends of the pTC thermal resistance body 1 In the case of overheating, the former case is overlapped between the conductive plates u, U and the impurity B. The heat conducting plate 15 also having the Wei slot is in contact with the conductive plates u, 12 to disperse the temperatures of the two conductive plates 11, 12. After the structural composition of the case, as shown in the second and third figures, the two conductive plates u, 12 will be a plurality of PTC thermal resistors 1G _ in the middle, two heat conducting plates 丨 5 and two insulating plates are sequentially fabricated in the plate U 12, the outer side of the 12' and the locking member 14 to the members ^. PTC thermal resistance body 1G - end surface embedded - the positioning groove (1) of the conductive plate u, ΐ r = f another - the elastic plate 121 of the conductive plate 12 withstand The PTC thermal resistance body 10-H 11 and 12 are tight when clamped. The n2 and m of the two conductive plates n and 12 are respectively connected to the positive and negative power sources of the power supply, and the pTC thermal resistance (four) is immediately applied to both ends of the surface. It generates heat and forms a heat source. % Only the two conductive plates of the positive and negative polarity power supply, n, 2,

The thickness of the pTC thermal resistance body ι〇 is not so large as to be separated from each other. The lack of difference 'the charm locking element 14 when the combination of the force is not uniform, the two conductive plates Η, 12 卩 _ close, so easy to cause noisy, it is very possible to make the two conductive plates 11, 12 The job is difficult, resulting in safety. In addition, the heat I and the body 1G are clamped between the two conductive plates u, 12, the end face is only slightly embedded in a conductive, π slot ice is not large positioning groove U1 n The other end face is subject to the other - the conductive plate a, the bomber it> W21 withstands the 'so-bonded structure, and the pTC thermal resistance body is easily slipped off due to insufficient embedding.

An inventor has invented the present invention in view of the fact that the prior case has the above-mentioned improvements in use and design improvements. SUMMARY OF THE INVENTION The main object of the present invention is to provide a heater structure which can provide a "separate insulation" of electrodes which are connected to different electrodes to ensure safety in use. The main feature of this service is that a middle door, a 邑, and a 彖 plate are sandwiched between two conductive plates of different electrodes, and an intermediate insulating plate of 5 hai is provided with a notch for each _ PTC thermal resistance body to 仏 PTC thermal resistance The body is worn through it. By means of the arrangement of the intermediate insulating plates, the conductive plates of two different electrical polarities are surely separated and insulated, and the assembly of the money ptc thermal resistance body is more stable. 1337507 [Embodiment] 1 The technical means and structure employed in order to achieve the above object and effect are described in detail with reference to the following embodiments. Clearly see the fourth to seventh figure, this _ day Xiao _ > Ming Bei fine • Example ptc heater as in the previous case 〗        PTC thermal resistance body 20, with a honeycomb hole in the middle, after the end faces are energized It can be hot, as a source of heat.

The two conductive plates 2b are electrically conductive, and the plate faces each of the PTC thermal resistors 2〇 with the notches 21G, 22 (K, wherein the conductive plates are notched with the inner wall of the PTC thermal resistor 2 The end surface area of the crucible protrudes from the fin piece to be separated by the positioning groove 2ΐ (as shown in FIG. 5). The slot of the other conductive plate 22 is moved to the inner wall of the PTC thermal resistor 2 and the other end surface. The elastic sheet 221 (shown in FIG. 6), the second conductive plate 2b 22 is provided with a positioning groove 211 for the PTC thermal resistor body 2 to be embedded in one end surface, and the elastic piece 221 pushes the other of the PTC thermal resistor body 20 - The end faces of the PTC thermal resistor body 2 are fixed to each other. Further, after the power receiving ends 212 and 222 of the two conductive plates 21 and 22 are respectively connected to the positive and negative power sources, the end faces of the PTC thermal resistor body 20 are heated by energization.

The two heat conducting plates 23 are thermally conductive and are respectively disposed on the outer sides of the two conductive plates 21 and 22 and are attached to the two conductive plates 21 and 22, and the second conductive plates 21 and 22 are in contact with the PTC thermal resistor 20 to conduct heat. To the heat conducting plate 23 to lower the temperature of the conductive plates 21, 22. The plate surface of the second heat guide plate 23 also has a notch 230 corresponding to each pTC heat-resistance body 2, so that the heat temperature generated by the PTC heat-resistance body 2 can be smoothly sent through the notch 23〇. An outer insulating plate 24' is made of heat-resistant and non-conductive insulating material (such as pps or nylon plus glass fiber), and is respectively disposed on the outer side of the two heat conducting plates 23, and the plate surface corresponds to each PTC heat. The notch body 240 is also provided with a notch 240 at each position. The outer edge has a perforated lug 241 with a perforation 242 in the middle of the plate. 6 1337507 A plurality of locking elements 25 for engaging the members through the lugs 241 and the perforations 242' of the two outer insulating plates 24. The main improvement of the present invention is as follows: an intermediate insulating plate 26 (shown in the fourth figure) having heat resistance and electrical insulation is disposed between the two conductive plates 21 and 22, and the plate surface corresponds to each PTC thermal resistance. The body 20 has a notch 260 for the PTC thermal resistor 20 to pass through. A lap piece 261 is respectively disposed on two sides of the corresponding outer edges of the intermediate insulating plate 26, and the outer protruding portion of the lap piece 261 can be placed on the shoulder 243 of the outer edge of the two outer insulating plates 24. (As shown in the fourth and ninth figures) '俾The intermediate insulating plate 26 does not slide arbitrarily. When the above components are sequentially assembled, as shown in the seventh figure, the power receiving ends 212 and 222 of the two conductive plates 21 and 22 are respectively connected to the positive and negative power sources, and the pTc thermal resistor body 2 is connected to the power source due to the two end faces. Heat forms a heat source. The heat generated by the pT c thermal resistor 2 is conducted through the notches 210, 220 of the conductive plates 21, 22, the notches 230 of the heat conducting plates 23, and the notches 240 of the outer insulating plates 24. Since the intermediate insulating plate 26 having insulation and heat resistance is located between the conductive plates 21 and 22 having a V electric power, it is possible to surely separate the two conductive plates 2 and 22 of different polarity to ensure the second conductivity. The insulation of the board 2 is 22 . Furthermore, the mask groove σ of the intermediate insulating plate 26 can be embedded in the pTC31 resistor body. Therefore, the PTC thermal resistor 2 can be made more secure and stable in the assembly and fixing. It has the following advantages and effects: 1. It can ensure the insulation of two different electrode conductive plates. 2. The fixing of the PTC thermal resistor can be made more stable. Looking at the above, the present invention is not only inventive, but also practical and progressive. & 7 1337507 [Simple description of the diagram] The first figure shows the structural exploded view of the previous case. The second figure shows a combined cross-sectional view of the previous case. The second figure is not a partial enlarged view of the second figure. The fourth figure is not an exploded view of the embodiment of the present invention. The fifth figure is a partial enlarged view of the fourth figure (1). The sixth figure is a partial enlarged view of the fourth figure (2). Figure 7 is a cross-sectional view showing a combination of embodiments of the present invention. The eighth figure is a partial enlarged view of the seventh figure. A sectional view of a part of the combination of the present invention and the present invention. [Main component symbol description] Conventional part: 120 PTC thermal resistance body...1〇 Conductive plate...η, notch...no Positioning groove...111 elastic piece—12ι Insulation board—13

Locking component...14 Powering terminal 112,122 heat conducting plate...15 Part of the invention: PTC thermal resistor body _-2 〇 conductive plate a 21, 22 slot one 210, 220, 230, 240, 260 positioning slot 211 Elastomeric piece 221 Electrical connection end 212 Thermal conduction plate...23 External insulation plate...24 lug...241 Perforation...242 locking element...25 Intermediate insulation plate...26 Shoulder...243 lap piece _„261 8 222

Claims (1)

X. Yin's patent scope: The PTC heater structure mainly includes: a plurality of PTC thermal resistors with a honeycomb hole between them. Two conductive plates with conductivity, and the PTC thermal resistor is clamped to the electrode. The power supply 'has a position with a slot σ;, - the 'plane' corresponds to each PTC thermal resistance body, and the electric plate edge f is made of an insulating and heat-resistant material, and is respectively disposed on the two guiding members. The component is used for locking through the two outer insulating plates, and the above-mentioned structural features are attached to the H-insulating plate, which is electrically insulated, compared to the system. Further, between the conductive plates, the plate surface has a groove α corresponding to the position of each PTC thermal resistor body for the batch heat resist body to pass through. 2. For the PTC heater structure according to Item 1 of the patent application, the two sides of the corresponding outer edges of the intermediate insulating plate respectively have a lap piece, and the two ends of the lap piece protrude outward. The protruding portion can be placed on the shoulder of the outer edge of the two outer insulating plates so that the intermediate insulating plate does not slide freely. 3. The p-butyl heater structure according to claim 1, wherein a heat-conducting plate is disposed on the outer side of the two conductive plates, and the heat-conducting plate has thermal conductivity and is respectively attached to a conductive plate. The thermal temperature of the second conductive plate contacting the PTC thermal resistor can be transmitted to the heat conducting plate to reduce the temperature of the conductive plate; the surface of the second conductive plate also has a notch corresponding to the position of each PTC thermal resistor, so that the PTC thermal resistance The heat generated by the body can be smoothly sent through the slot. 4. PTC heater structure as described in claim 1 of the patent scope, wherein two conductive 1337507 The inner surface of the notch of one of the conductive plates is separated from the end surface area of the PTC thermal resistor by a positioning groove, and the inner wall of the notch of the other conductive plate extends to the same end surface of the PTC thermal resistance body with an elastic piece. The second conductive plate is embedded in one end surface of the PTC thermal resistance body by the positioning groove, and the elastic piece pushes the other end surface of the PTC thermal resistance body to fix both end faces of the PTC thermal resistance body. 10