Automobile air heating PTC (Positive Temperature Coefficient) heater

By introducing an adsorption filtration and uniform heat dissipation mechanism into the PTC heater, the problem of heat dissipation obstructed by dirt adhering to the air is solved, achieving the effects of dust filtration and uniform heat dissipation, thus improving the performance of the automotive PTC heater.

CN224103833UActive Publication Date: 2026-04-10CHONGQING ZHIXIN HUIYA TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING ZHIXIN HUIYA TECHNOLOGY CO LTD
Filing Date
2025-05-08
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

When existing PTC heaters are installed in automobiles, dirt and dust in the air easily adhere to the heating element, which hinders heat dissipation, reduces heating efficiency, and makes filtration difficult.

Method used

A PTC heater for automotive air heating was designed, comprising an adsorption filtration mechanism and a uniform heat dissipation mechanism. It uses a combination of electrostatic fine filter plates and coarse filter plates for filtration, combined with a uniform air intake component and heat dissipation channels, to achieve air filtration and uniform heat dissipation.

Benefits of technology

It effectively filters out dust and impurities in the air, improving the heating effect of the PTC heater and the convenience of dust filtration, ensuring uniform heat distribution and enhancing the performance of the air-heating system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of PTC heaters, in particular to an automobile air heating PTC heater which comprises a PTC heater body, the PTC heater body comprises a main PTC heater body, PTC heating pieces are fixed in the main PTC heater body at equal intervals, and an adsorption filtering mechanism is further arranged on the PTC heater body. By designing the adsorption filtering mechanism, when air enters the surface of the PTC heater main body after the PTC heater main body is mounted and used, the air can be uniformly fed into the protective cover under the protection of the protective cover, large impurities are coarsely filtered through a coarse filter screen plate, and dust in the fed air is subjected to electrostatic adsorption treatment through an electrostatic fine filter screen plate; therefore, dust in air can be conveniently filtered during air inlet, then the air enters and takes away heat, dust and impurities are not prone to being adsorbed to the surface of the PTC heating piece, effective heating is conducted for air heating treatment, and the convenience and the heating effect of dust and dirt filtering treatment are improved when the PTC heater body is installed on the automobile air conditioner for heating.
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Description

TECHNICAL FIELD

[0001] The utility model relates to PTC heater technical field especially relates to a car wind warm PTC heater. BACKGROUND

[0002] Car wind warm is the heating function of car air conditioner, and when heating in new energy vehicle, installs the PTC heater to heat in its air, and under the condition of blowing, carries out heating blowing through the PTC heater, and the existing PTC heater is the equipment for installing on new energy vehicle and carrying out wind warm heating, and is convenient to install and heat use;

[0003] When the existing PTC heater is installed on the car and carries out wind warm heating, it is directly installed and radiates and carries away heat under the condition of blowing, so that it is not convenient to adsorb and filter the dirt in the air when heating the incoming air, so that more dirt and dust are assisted on the PTC heating sheet, and when adhering, it is easy to cause the heat of the PTC heating sheet to be blocked and radiate slowly after heating, reduce the wind warm heating effect, thereby affecting the convenience and heating effect of the PTC heater installed on the car air conditioner for filtering dust and dirt, therefore the utility model provides a kind of car wind warm PTC heater. UTILITY MODEL CONTENTS

[0004] The utility model technical scheme is aimed at the technical problem that when PTC heater is installed and used, it is not convenient to adsorb and filter the dirt in the air when heating the incoming air, so that more dirt and dust are assisted on the PTC heating sheet, and when adhering, it is easy to cause the heat of the PTC heating sheet to be blocked and radiate slowly after heating, reduce the wind warm heating effect, provides the solution significantly different from prior art, in order to overcome the above-mentioned defects of prior art, the utility model provides a kind of car air conditioner black box controller, to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides a kind of car wind warm PTC heater, including PTC heater main body, the PTC heater main body includes main PTC heater, the inside of main PTC heater is fixed with PTC heating sheet, the PTC heater main body is also provided with:

[0006] Adsorption filter mechanism, and the adsorption filter mechanism includes the fixed mounting assembly of setting in the rear surface of main PTC heater, the bottom of fixed mounting assembly is provided with filter dust removal component, the surface of filter dust removal component is provided with uniform air inlet component in the inside of fixed mounting assembly;

[0007] Uniform heat dissipation mechanism, and the uniform heat dissipation mechanism includes the heat dissipation component of setting in the inside of PTC heating sheet, the both sides of heat dissipation component are provided with uniform heating component.

[0008] Preferably, two mounting plates are fixed on both sides of the top end of the main PTC heater, and a low-voltage wire harness and a high-voltage wire harness are fixed at the middle position of the top end of the main PTC heater.

[0009] Preferably, the fixed mounting assembly comprises a rear fixed frame fixed on the rear surface of the main PTC heater by screws, and a protective cover is welded on the surface of the rear fixed frame.

[0010] Preferably, the filtering and dust-removing assembly comprises an electrostatic fine filter screen plate fixed inside the rear fixed frame by screws, and a coarse filter screen plate is fixed on the upper surface of the electrostatic fine filter screen plate inside the rear fixed frame.

[0011] Preferably, the uniform air inlet assembly comprises a side partition plate one fixed on one end of the upper surface of the coarse filter screen plate by screws, a side partition plate two fixed on the other end of the upper surface of the coarse filter screen plate, and a middle partition plate fixed at the middle position of the upper surface of the coarse filter screen plate.

[0012] Preferably, the side partition plate one, the middle partition plate and the side partition plate two are all inclined surfaces, and the side partition plate one is symmetrical with the side partition plate two.

[0013] Preferably, the heat dissipation assembly comprises a heat dissipation channel formed in the PTC heating sheet, and the heat dissipation channel and the PTC heating sheet are in an integral structure.

[0014] Preferably, the uniform heating assembly comprises a heat dissipation hole one and a heat dissipation hole two equidistantly formed on both sides of the heat dissipation channel, and the heat dissipation hole one and the heat dissipation hole two are both in communication with the inside of the heat dissipation channel.

[0015] The beneficial effects of the utility model are as follows:

[0016] In use, the adsorption and filtration mechanism is designed, when the main body of the PTC heater is installed and used, air is uniformly inhaled into the inside of the protective cover under the protection of the protective cover, large impurities are coarsely filtered by the coarse filter screen plate, and dust in the inhaled air is electrostatically adsorbed and treated by the electrostatic fine filter screen plate again, so that the dust in the inhaled air is filtered, heat is taken away, the surface of the PTC heating sheet is not easy to adsorb dust and impurities, effective heating is carried out for air warming treatment, and the convenience and heating effect of the dust and dirt filtering treatment of the main body of the PTC heater installed on the automobile air conditioner are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below only show some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 is a structural schematic diagram of the embodiment of the present application;

[0019] Figure 2 is a sectional view structural schematic diagram of the main PTC heater, the rear fixed frame and the protective cover of the embodiment of the present application;

[0020] Figure 3 is the embodiment of the present application Figure 2 B part enlarged structural schematic diagram;

[0021] Figure 4 is the embodiment of the present application Figure 1 A part enlarged structural schematic diagram;

[0022] Figure 5 is the embodiment of the present application Figure 4 C part enlarged structural schematic diagram.

[0023] Figure 6 is a partial sectional view structural schematic diagram of the PTC heating sheet, the first heat dissipation hole and the heat dissipation channel of the embodiment of the present application;

[0024] Part name

[0025] 100, PTC heater main body; 101, main PTC heater; 1011, rear fixed frame; 1012, protective cover; 1013, side partition plate one; 1014, middle partition plate; 1015, side partition plate two; 1016, coarse filter screen; 1017, electrostatic fine filter screen; 102, PTC heating sheet; 1021, first heat dissipation hole; 1022, heat dissipation channel; 1023, second heat dissipation hole; 103, mounting plate; 104, pressure line; 105, high-voltage line. DETAILED DESCRIPTION

[0026] The embodiments of the present application will be described in detail below, and the examples of the embodiments are shown in the drawings, and the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0027] In the description of the utility model, need understanding is, the term "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom" "internal", "external" and so on the direction or position relation indicated is based on the direction or position relation shown in the drawing, is only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as the limitation of the utility model. In addition, in the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited.

[0028] Please refer to Figures 1 to 6 The utility model provides a technical scheme: a kind of automobile wind warm PTC heater, including PTC heater main body 100, PTC heater main body 100 includes main PTC heater 101, PTC heating sheet 102 is fixed equidistantly in the inside of main PTC heater 101, two mounting plates 103 are fixed in the top end both sides of main PTC heater 101, low voltage wire harness 104 and high voltage wire harness 105 are fixed in the top end middle position of main PTC heater 101, after PTC heater main body 100 can be fixed and installed, PTC heater main body 100 is powered to PTC heating sheet 102 heating, the heat emitted when PTC heating sheet 102 heats is taken away heat by blowing, it is convenient to heat wind warm use, PTC heater main body 100 is also provided with:

[0029] Adsorption filtering mechanism, and the adsorption filtering mechanism includes the fixed mounting assembly of setting in the rear surface of main PTC heater 101, the bottom of fixed mounting assembly is provided with filter dust removal component, the surface of filter dust removal component is located in the inside of fixed mounting assembly and is provided with uniform air inlet component, after PTC heater main body 100 can be installed, it is convenient to uniform air inlet and filter processing, uniform air inlet wind warm processing.

[0030] In order to be convenient for air inlet and filter processing by fixed mounting assembly, in the embodiment, preferably, fixed mounting assembly includes rear fixed frame 1011 by screw fixed mounting in the rear surface of main PTC heater 101, the surface of rear fixed frame 1011 is welded with protective cover 1012, can be installed in the inside of protective cover 1012 and carry out uniform air inlet filter processing.

[0031] In order to facilitate the filtering treatment of the air inlet through the filtering and dust removal assembly, in the embodiment, preferably, the filtering and dust removal assembly comprises an electrostatic fine filter screen plate 1017 fixedly installed inside the rear fixed frame 1011 by screws, and a coarse filter screen plate 1016 is fixed on the upper surface of the electrostatic fine filter screen plate 1017 inside the rear fixed frame 1011. When the air is evenly inhaled inside the rear fixed frame 1011, the coarse filter screen plate 1016 can coarsely filter large impurities, and the electrostatic fine filter screen plate 1017 can electrostatically adsorb and treat the dust in the air.

[0032] In order to facilitate the uniform air inlet filtering treatment of the inside of the protective cover 1012 through the uniform air inlet assembly, in the embodiment, preferably, the uniform air inlet assembly comprises a side partition plate one 1013 fixedly installed on one end of the upper surface of the coarse filter screen plate 1016 by screws, a side partition plate two 1015 fixed on the other end of the upper surface of the coarse filter screen plate 1016, and a middle partition plate 1014 fixed at the middle position of the upper surface of the coarse filter screen plate 1016. After the PTC heater main body 100 is installed, the side partition plate one 1013, the middle partition plate 1014, and the side partition plate two 1015 can facilitate the uniform air inlet filtering treatment of the inside of the PTC heater main body 100, and facilitate the uniform air inlet air heating treatment.

[0033] The uniform heat dissipation mechanism comprises a heat dissipation assembly arranged inside the PTC heating sheet 102, and uniform heating assemblies are arranged on both sides of the heat dissipation assembly. When the PTC heater main body 100 is fixedly installed and the PTC heating sheet 102 is heated for use, the uniform heat dissipation mechanism can uniformly dissipate and heat the heat generated inside the PTC heating sheet 102, effectively performing air heating operation.

[0034] In order to facilitate the uniform heat dissipation treatment of the heat inside the PTC heating sheet 102 through the heat dissipation assembly, in the embodiment, preferably, the heat dissipation assembly comprises a heat dissipation channel 1022 opened in the inside of the PTC heating sheet 102, and the heat dissipation channel 1022 and the PTC heating sheet 102 are of an integral structure. When the inside of the PTC heating sheet 102 is heated, the heat dissipation channel 1022 can uniformly dissipate and heat the inside of the PTC heating sheet 102, effectively heating and performing air heating treatment.

[0035] In order to facilitate the uniform heat dissipation of the heat generated on the surface of the PTC heating sheet 102 through the uniform heating assembly, in the embodiment, preferably, the uniform heating assembly comprises heat dissipation holes one 1021 and heat dissipation holes two 1023 equidistantly opened on both sides of the inside of the heat dissipation channel 1022, and the heat dissipation holes one 1021 and the heat dissipation holes two 1023 are in communication with the inside of the heat dissipation channel 1022. After the PTC heating sheet 102 is heated, the heat dissipation channel 1022 inside can dissipate heat, and the heat dissipation holes one 1021 and the heat dissipation holes two 1023 can again uniformly dissipate heat, facilitating heat dissipation operation.

[0036] The working principle and use process of the utility model are as follows: the automobile wind warm PTC heater is directly fixed and installed at the air inlet of the automobile air conditioner through the mounting plate 103 when in use, the high-voltage wire harness 105 is connected with the low-voltage wire harness 104 to connect the power supply, and when in use, the PTC heater main body 100 is powered to heat the PTC heating sheet 102, the heat emitted by the PTC heating sheet 102 when heating is taken away by the blowing, thereby facilitating the heating wind warm use;

[0037] Then when the PTC heater main body 100 is used after installation, the air is inhaled from the two ends of the surface of the coarse filter screen plate 1016 by the side partition plate one 1013 and the side partition plate two 1015 under the protection of the protective cover 1012 when the air is inhaled from the rear surface of the main PTC heater 101, and the air is blown to the middle position of the surface of the coarse filter screen plate 1016 again through the middle partition plate 1014, thereby facilitating the uniform air inlet to the inside of the protective cover 1012, the coarse filtration of large impurities through the coarse filter screen plate 1016, and the electrostatic adsorption treatment of dust in the entering air through the electrostatic fine filter screen plate 1017 again, so that the dust and impurities in the air after filtration when inhaled are taken away, the surface of the PTC heating sheet 102 is not easy to adsorb dust and impurities, and the convenience and heating effect of the filtration treatment of dust and dirt when the PTC heater main body 100 is installed on the automobile air conditioner for heating are improved;

[0038] Finally, when the PTC heater main body 100 is used for heating after being fixed and installed, the PTC heating sheet 102 emits heat when heating and blowing, and emits heat through the heat dissipation channel 1022 after being heated inside the PTC heating sheet 102, and evenly emits heat through the heat dissipation holes one 1021 on both sides of the heat dissipation channel 1022 when emitting heat inside the heat dissipation channel 1022, so that the heat inside the PTC heating sheet 102 is evenly emitted, the heat is effectively taken away when blowing, the heat is not easy to be left, the wind warm treatment is sufficient, and the wind warm effect of the PTC heater main body 100 when installed on the automobile air conditioner for heating is improved.

[0039] The above only discloses a preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, and those skilled in the art can understand that all or part of the processes of the above embodiment are implemented, and equivalent changes are made according to the utility model claims, which still belong to the scope covered by the utility model.

Claims

1. A car wind warm PTC heater, comprising a PTC heater body (100), the PTC heater body (100) comprises a main PTC heater (101), the inside of the main PTC heater (101) is fixed with PTC heating fins (102) equidistantly, characterized in that: The PTC heater body (100) is also provided with: The adsorption filtering mechanism includes a fixed mounting assembly arranged on the rear surface of the main PTC heater (101), and the bottom end of the fixed mounting assembly is provided with a filtering and dust removing assembly, and the surface of the filtering and dust removing assembly is provided with a uniform air inlet assembly inside the fixed mounting assembly. The uniform heat dissipation mechanism includes a heat dissipation assembly arranged inside the PTC heating sheet (102), and the two sides of the heat dissipation assembly are provided with uniform heating assemblies.

2. The automobile wind warm PTC heater according to claim 1, characterized in that: The top end of the main PTC heater (101) is fixed with two mounting plates (103) on both sides, and the top end of the main PTC heater (101) is fixed with a low-voltage wire harness (104) and a high-voltage wire harness (105) at the middle position.

3. The automobile wind warm PTC heater according to claim 1, characterized in that: The fixed mounting assembly includes a rear fixed frame (1011) fixedly installed on the rear surface of the main PTC heater (101) by screws, and the surface of the rear fixed frame (1011) is welded with a protective cover (1012).

4. The automobile wind warm PTC heater according to claim 3, characterized in that: The filtering and dust removing assembly includes an electrostatic fine filter screen (1017) fixedly installed inside the rear fixed frame (1011) by screws, and the upper surface of the electrostatic fine filter screen (1017) is fixed with a coarse filter screen (1016) inside the rear fixed frame (1011).

5. The automobile wind warm PTC heater according to claim 4, characterized in that: The uniform air inlet assembly includes a side partition plate one (1013) fixedly installed on one end of the upper surface of the coarse filter screen (1016) by screws, the other end of the upper surface of the coarse filter screen (1016) is fixed with a side partition plate two (1015), and the middle position of the upper surface of the coarse filter screen (1016) is fixed with an intermediate partition plate (1014).

6. The automobile wind warm PTC heater according to claim 5, characterized in that: The side partition plate one (1013), the intermediate partition plate (1014) and the side partition plate two (1015) are all inclined surfaces, and the side partition plate one (1013) and the side partition plate two (1015) have the same structure.

7. The automobile wind warm PTC heater according to claim 1, characterized in that: The heat dissipation assembly includes a heat dissipation channel (1022) opened in the PTC heating sheet (102), and the heat dissipation channel (1022) and the PTC heating sheet (102) are an integral structure.

8. The automobile wind warm PTC heater according to claim 7, characterized in that: The uniform heating assembly includes heat dissipation holes one (1021) and heat dissipation holes two (1023) equidistantly opened on both sides of the heat dissipation channel (1022), and the heat dissipation holes one (1021) and the heat dissipation holes two (1023) are both in communication with the inside of the heat dissipation channel (1022).