CN208439016U

CN208439016U - New-energy automobile PTC electric heater

Info

Publication number: CN208439016U
Application number: CN201820852973.1U
Authority: CN
Inventors: 顾新; 顾一新
Original assignee: DONGGUAN ZHENGYANG ELECTRONIC MECHANICAL Ltd
Current assignee: Guangdong Zhengyang Sensor Technology Co ltd
Priority date: 2018-06-04
Filing date: 2018-06-04
Publication date: 2019-01-29
Anticipated expiration: 2028-06-04

Abstract

The utility model discloses a kind of new-energy automobile PTC electric heater, including heated seats, and PTC heating cavity is provided in the heated seats, installs PTC heating component in PTC heating cavity；PTC heating component includes PTC, upper plastic rubber bracket, lower plastic rubber bracket, the first PTC aluminium flake, the 2nd PTC aluminium flake, the thermally conductive film of PTC, L clevis piece and taper chock；First, second PTC aluminium flake is clipped in the left and right side of PTC respectively, upper and lower plastic rubber bracket is respectively limited by the upper and lower end of PTC, and upper plastic rubber bracket is limited in the top of the first PTC aluminium flake and the 2nd PTC aluminium flake, lower plastic rubber bracket is limited in the bottom end of the first PTC aluminium flake and the 2nd PTC aluminium flake；L clevis piece includes top plate portion and the side plate for being connected to top plate portion；The first PTC aluminium flake, the 2nd PTC aluminium flake are electrically connected on conduction panel；Take this, improved by the structure to PTC electric heater, improve thermal conductivity, moreover it is possible to absorb PTC and expand with heat and contract with cold bring change in size, effectively PTC be avoided to be subject to crushing, or fill up the gap generated after shrinkage.

Description

New-energy automobile PTC electric heater

Technical field

The utility model relates to vehicle PTC electric heater field technologies, refer in particular to a kind of new-energy automobile PTC electric heating Device.

Background technique

In traditional technology, the property reasonable in design of vehicle PTC electric heater is not good enough, leads to the heat transfer efficiency of thermally conductive film Low, heat waste consumption is big, and cannot absorb PTC and expand with heat and contract with cold bring change in size.

In addition, the conducting fragment connecting device of traditional technology, need electric wire, plug connect with docking PTC electrode terminal or The Various Complexes process assembly such as process welding after needing, PTC electrode terminal is also because discontinuity or connection conduction panel are unstable It is fixed, also increase the process costs to conduction panel production.

And existing similar product, in the design feature that the back side of PTC heating cavity is plane, heat dissipation area is small, PTC The heat conduction efficiency of sending is low, and the power of consumption is more.

Therefore, it is necessary to study the new technical solution of one kind to solve the above problems.

Utility model content

In view of this, the utility model is in view of the existing deficiencies of the prior art, main purpose is to provide a kind of new energy Vehicle PTC electric heater is improved by the structure to PTC electric heater, improves thermal conductivity, moreover it is possible to absorb PTC heat Swollen shrinkage bring change in size, effectively avoids PTC from being subject to crushing, or fills up the gap generated after shrinkage.

To achieve the above object, the utility model is using following technical solution:

A kind of new-energy automobile PTC electric heater, includes heated seats, and PTC heating cavity is provided in the heated seats, PTC heating component is installed in the PTC heating cavity；

The PTC heating component includes PTC, upper plastic rubber bracket, lower plastic rubber bracket, the first PTC aluminium flake, the 2nd PTC aluminium The thermally conductive film of piece, PTC, L clevis piece and taper chock；

The first PTC aluminium flake and the 2nd PTC aluminium flake are clipped in the left and right side of PTC, upper plastic rubber bracket, lower plastic cement branch respectively Frame is respectively limited by the upper and lower end of PTC, and, upper plastic rubber bracket is limited in the top of the first PTC aluminium flake and the 2nd PTC aluminium flake, under Plastic rubber bracket is limited in the bottom end of the first PTC aluminium flake and the 2nd PTC aluminium flake；L clevis piece includes top plate portion and is connected to top plate The side plate in portion；The thermally conductive film of PTC is inverted U shape design, and the thermally conductive film of PTC is located in the first PTC aluminium flake and PTC heating chamber respectively Between the inner wall of body, between the 2nd PTC aluminium flake and the side plate of L clevis piece, the top plate portion of upper plastic rubber bracket and L clevis piece it Between；Taper chock presents small lower big gradual change type design, and taper chock is located at the interior of the side plate of L clevis piece and PTC heating cavity Between wall surface；

The first PTC aluminium flake, the 2nd PTC aluminium flake are electrically connected on conduction panel.

As a preferred embodiment, the front and back ends of the side plate of the L clevis piece are bent respectively is extended with positioning plate portion, Enclose composition locating slot between side plate and two positioning plate portions, aforementioned conical plug it is packaged enter locating slot in.

As a preferred embodiment, several insertion holes are offered on the conduction panel, are formed with and are located on the conduction panel The holding shrapnel being inserted by the side of hole, the first PTC aluminium flake, the 2nd PTC aluminium flake all have pin, and pin protrudes into corresponding insertion Clipping electrically conduct is formed in hole and by respective clamp elastic slice.

As a preferred embodiment, the holding shrapnel is set to two pairs of side positions in insertion hole.

As a preferred embodiment, the side in the insertion hole is provided with a holding shrapnel, and another opposite side is provided with two A holding shrapnel, a holding shrapnel correspond to the intermediate position setting of two holding shrapnels.

As a preferred embodiment, the wall surface of the PTC heating cavity is designed as waveform wall surfaces.

As a preferred embodiment, the waveform wall surfaces of the PTC heating cavity and entire PTC heating cavity be one at Type forms.

The utility model has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technology Scheme it is found that its mainly improved by the structure to PTC electric heater, improve thermal conductivity, moreover it is possible to absorb PTC heat expansion Shrinkage bring change in size, effectively avoids PTC from being subject to crushing, or fills up the gap generated after shrinkage；And the first PTC aluminium Piece, the 2nd PTC aluminium flake pin and conduction panel between, by holding shrapnel formed it is clipping electrically conduct, holding shrapnel knot Rationally, production is simple for structure design, and holding shrapnel intensity is high, and electrically clamping is solid and reliable；In addition, the wall surface of PTC heating cavity is set Waveform wall surfaces are calculated as, under the premise of not increasing existing product volume, effectively increase heat dissipation area, is conducive to raising air-conditioning and adds Hot device heat conduction efficiency reduces power consumption.

For the structure feature and effect for more clearly illustrating the utility model, come with reference to the accompanying drawing with specific embodiment pair The utility model is described in detail.

Detailed description of the invention

Fig. 1 is the sectional perspective schematic diagram of the embodiment of the utility model；

Fig. 2 is partial cross section's structural schematic diagram of the embodiment of the utility model；

Fig. 3 is the decomposition texture schematic diagram of PTC heating component in the embodiment of the utility model；

Fig. 4 is the top view of the embodiment of the utility model.

Description of drawing identification:

10, heated seats 20, PTC heating component

21, PTC 22, the first PTC aluminium flake

23, the 2nd PTC aluminium flake 24, the thermally conductive film of PTC

25, L clevis piece 26, upper plastic rubber bracket

27, lower plastic rubber bracket 28, taper chock

29, PTC heating cavity.

Specific embodiment

The utility model is described in further detail below by specific embodiment combination attached drawing.

Please refer to figs. 1 to 4, that show the specific structure of the embodiment of the utility model, a kind of new energy Vehicle PTC electric heater includes heated seats 10, and PTC heating cavity 29, the PTC heating are provided in the heated seats 10 PTC heating component 20 is installed in cavity 29.

The PTC heating component 20 include PTC21, upper plastic rubber bracket 26, lower plastic rubber bracket 27, the first PTC aluminium flake 22, The thermally conductive film 24 of 2nd PTC aluminium flake 23, PTC, L clevis piece 25 and taper chock 28；First PTC aluminium flake 22 and the 2nd PTC aluminium flake 23 are clipped in the left and right side of PTC21 respectively, and upper plastic rubber bracket 26, lower plastic rubber bracket 27 are respectively limited by the upper and lower end of PTC21, And upper plastic rubber bracket 26 is limited in the top of the first PTC aluminium flake 22 and the 2nd PTC aluminium flake 23, lower plastic rubber bracket 27 is limited in The bottom end of one PTC aluminium flake 22 and the 2nd PTC aluminium flake 23；L clevis piece 25 includes top plate portion and the side plate for being connected to top plate portion； The thermally conductive film 24 of PTC is inverted U shape design, and the thermally conductive film 24 of PTC is located in the first PTC aluminium flake 22 and PTC heating cavity 29 respectively Inner wall between, between the 2nd PTC aluminium flake 23 and the side plate of L clevis piece 25, the top of upper plastic rubber bracket 26 and L clevis piece 25 Between plate portion；Taper chock 28 is designed in up-small and down-big gradual change type, and taper chock 28 is located at the side plate and PTC of L clevis piece 25 Between the inner wall of heating cavity 29.In this present embodiment, the front and back ends of the side plate of the L clevis piece 25 are bent respectively prolongs Stretching has positioning plate portion, and composition locating slot is enclosed between side plate and two positioning plate portions, and aforementioned taper chock 28 is packed into locating slot, The convenient installing to taper chock 28 positions；The structural improvement of the L clevis piece 25 designs, and improves PTC electric heating assembly 20 Thermal conductivity, moreover it is possible to absorb PTC21 and expand with heat and contract with cold bring change in size, effectively PTC21 is avoided to be subject to crushing, or after filling up shrinkage The gap of generation.

In general, the first PTC aluminium flake 22, the 2nd PTC aluminium flake 23 are electrically connected on conduction panel；Herein, to conducting Design is also optimized in the structure of plate, and to improve the first PTC aluminium flake 22, the 2nd PTC aluminium flake 23 connects in the electrical property on conduction panel Ease-to-operate and secure and reliable connection are connect, specifically:

Several insertion holes are offered on the conduction panel, and the clamping bullet being located at by insertion hole side is formed on the conduction panel Piece, the first PTC aluminium flake 22, the 2nd PTC aluminium flake 23 all have pin, and pin, which protrudes into, to insert in the hole accordingly and by corresponding Holding shrapnel forms clipping electrically conduct；The holding shrapnel is set to two pairs of side positions in insertion hole；Preferably, described to insert The side for entering hole is provided with a holding shrapnel, and another opposite side is provided with two holding shrapnels, and a holding shrapnel is corresponding should The intermediate position setting of two holding shrapnels；Herein, three holding shrapnels are respectively defined as the first holding shrapnel, the second clamping Elastic slice and third holding shrapnel；First holding shrapnel and the second holding shrapnel are set on same side, the first holding shrapnel There is certain distance between the second holding shrapnel, can be flat with pin face paste, advantageously ensure that the uniform force of electrode terminal；Third Holding shrapnel be arranged in the first holding shrapnel and the second holding shrapnel on side position, the position of third holding shrapnel is first The centre of holding shrapnel and the second holding shrapnel can more fully utilize the plate at the position that inserts in the hole when being punched production Material, to form sufficiently long first holding shrapnel, the second holding shrapnel and third holding shrapnel, it is ensured that clamping force；In this way, the One PTC aluminium flake 22, the 2nd PTC aluminium flake 23 pin and conduction panel between, by holding shrapnel formed it is clipping electrically conduct, Holding shrapnel is reasonable in design, and production is simple, and holding shrapnel intensity is high, and electrically clamping is solid and reliable.

And the wall surface of the PTC heating cavity 29 is designed as waveform wall surfaces；In the present embodiment, PTC heating cavity 29 Waveform wall surfaces and entire PTC heating cavity 29 be to be made of one piece, be easy to make, in this way, the PTC heating cavity 29 Under the premise of not increasing existing product volume, heat dissipation area is effectively increased, is conducive to improve air-conditioning heater heat conduction effect Rate reduces power consumption.

In conclusion the design focal point of the utility model is, mainly carried out by the structure to PTC electric heater Improvement, improves thermal conductivity, moreover it is possible to absorb PTC and expand with heat and contract with cold bring change in size, effectively PTC be avoided to be subject to crushing, or fill up The gap generated after shrinkage；And between the pin and conduction panel of the first PTC aluminium flake, the 2nd PTC aluminium flake, pass through clamping bullet Piece formed it is clipping electrically conduct, holding shrapnel is reasonable in design, and production is simple, and holding shrapnel intensity is high, electrically clamps It is solid and reliable；In addition, the wall surface of PTC heating cavity is designed as waveform wall surfaces, under the premise of not increasing existing product volume, Heat dissipation area is effectively increased, is conducive to improve air-conditioning heater heat conduction efficiency, reduces power consumption.

The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model Any restrictions, therefore any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent change Change and modify, is still within the scope of the technical solutions of the present invention.

Claims

1. a kind of new-energy automobile PTC electric heater, it is characterised in that: include heated seats, be provided with PTC in the heated seats Heating cavity, the PTC heating cavity is interior to install PTC heating component；

The PTC heating component include PTC, upper plastic rubber bracket, lower plastic rubber bracket, the first PTC aluminium flake, the 2nd PTC aluminium flake, The thermally conductive film of PTC, L clevis piece and taper chock；

First PTC aluminium flake and the 2nd PTC aluminium flake are clipped in the left and right side of PTC respectively, and upper plastic rubber bracket, lower plastic rubber bracket limit respectively Positioned at the upper and lower end of PTC, and, upper plastic rubber bracket is limited in the top of the first PTC aluminium flake and the 2nd PTC aluminium flake, lower plastic rubber bracket It is limited in the bottom end of the first PTC aluminium flake and the 2nd PTC aluminium flake；L clevis piece includes top plate portion and the side plate for being connected to top plate portion Portion；The thermally conductive film of PTC is inverted U shape design, and the thermally conductive film of PTC is located in the inner wall of the first PTC aluminium flake and PTC heating cavity respectively Between face, between the 2nd PTC aluminium flake and the side plate of L clevis piece, between upper plastic rubber bracket and the top plate portion of L clevis piece；Taper Chock is designed in up-small and down-big gradual change type, taper chock be located at the side plate of L clevis piece and PTC heating cavity inner wall it Between；

2. new-energy automobile PTC electric heater according to claim 1, it is characterised in that: the side plate of the L clevis piece Front and back ends bend the positioning plate portion that is extended with respectively, composition locating slot, aforementioned taper are enclosed between side plate and two positioning plate portions Chock is packed into locating slot.

3. new-energy automobile PTC electric heater according to claim 1, it is characterised in that: offered on the conduction panel Several insertion holes are formed with the holding shrapnel being located at by insertion hole side, the first PTC aluminium flake, the 2nd PTC on the conduction panel Aluminium flake all has pin, and pin, which protrudes into, to insert in the hole accordingly and form clipping electrically conduct by respective clamp elastic slice.

4. new-energy automobile PTC electric heater according to claim 3, it is characterised in that: the holding shrapnel is set to It is inserted into two pairs of side positions in hole.

5. new-energy automobile PTC electric heater according to claim 4, it is characterised in that: the side in the insertion hole is set It is equipped with a holding shrapnel, another opposite side is provided with two holding shrapnels, which corresponds to two holding shrapnels Intermediate position setting.

6. new-energy automobile PTC electric heater according to claim 1, it is characterised in that: the wall of the PTC heating cavity Face is designed as waveform wall surfaces.

7. new-energy automobile PTC electric heater according to claim 6, it is characterised in that: the wave of the PTC heating cavity Shape wave wall surface is to be made of one piece with entire PTC heating cavity.