Automobile PTC (Positive Temperature Coefficient) core body and controller assembly structure and automobile air conditioner with same

By using a PTC core and controller assembly structure in automotive air conditioning to form an "L"-shaped structure, the interference problem between the PTC core and the foot-blowing air duct is solved, achieving a gap design that adapts to structural changes, reduces costs, and improves efficiency.

CN121487115APending Publication Date: 2026-02-06BONAIRE AUTOMOTIVE ELECTRICAL SYST
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202511857834.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-10
Publication Date
2026-02-06

AI Technical Summary

Technical Problem

The current arrangement of the PTC core and controller in automotive air conditioning systems causes structural interference, making it unsuitable for platform-based modifications, affecting the foot air duct, and this problem has not been effectively resolved.

Method used

The PTC core and controller are assembled into an "L" shaped structure. The PTC core is vertically mounted on the PCB board, and the high-voltage line is soldered through pins. The box protects the PCB board, and the air duct is designed as a three-channel air duct. The box is located at the bottom and does not block the air duct, forming a gap to avoid interference.

Benefits of technology

This design achieves a gap around the PTC unit, preventing interference with the foot-blowing air duct, adapting to changes in automotive air conditioning structure, reducing costs and increasing efficiency, simplifying the assembly process, and saving space.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121487115A_ABST
    Figure CN121487115A_ABST
Patent Text Reader

Abstract

The invention discloses an automobile PTC (Positive Temperature Coefficient) core and controller assembly structure and an automobile air conditioner with the automobile PTC core and controller assembly structure. The PTC core body can be used for heating the air conditioning box; a PCB (Printed Circuit Board), wherein the PTC core body is arranged on the PCB; the PTC core body is perpendicular to the PCB, and the PTC core body and the PCB are connected to form an L-shaped structure; the PTC core body can be inserted into an air conditioning box; and the PCB does not shield the foot blowing air channel. Gaps are formed in the periphery of the PTC, interference with a foot blowing air channel is avoided, the structure change of an automobile air conditioner can be adapted, and the purposes of reducing cost and increasing efficiency are achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of automobile air conditioners, and particularly relates to an automobile PTC core and controller assembly structure and an automobile air conditioner with the same. BACKGROUND

[0002] In the process of implementing the present application, the inventors found that the prior art at least has the following problems:

[0003] At present, the passenger car market is highly competitive, and automobile manufacturers have been promoting product platformization. As an important part of the automobile thermal management system, the air conditioning box (HVAC) is the first to be listed as an optimization object. Therefore, many emerging hybrid vehicles are modified on the basis of the original fuel vehicle platform to achieve the purpose of cost reduction and efficiency improvement.

[0004] The existing PTC is directly inserted into the middle position of the controller, and this arrangement does not consider the PTC peripheral gap. However, if the platform is modified, there is no space around the PTC, and the PTC will block the foot blowing air duct, causing structural interference.

[0005] CN223596216U-Electric vehicle air PTC temperature control sensor mounting structure and automobile air conditioner discloses an electric vehicle air PTC temperature control sensor mounting structure and automobile air conditioner. The air PTC temperature control sensor mounting structure comprises a fixed rod and a sensor mounting block. Arranging the temperature control sensor on the middle shell of the windward side of the PTC core cannot solve the above technical problems. SUMMARY

[0006] The technical problem to be solved by the present application is to provide an automobile PTC core and controller assembly structure and an automobile air conditioner with the same, which has a gap around the PTC and does not interfere with the foot blowing air duct, can adapt to the structural changes of the automobile air conditioner, and achieves the purpose of cost reduction and efficiency improvement.

[0007] To solve the above technical problems, the technical solution adopted by the present application is as follows: an automobile PTC core and controller assembly structure, comprising:

[0008] An air conditioning box is provided with a foot blowing air duct;

[0009] A PTC core can heat treat the air conditioning box;

[0010] A PCB board, the PTC core is installed on the PCB board; the PTC core is perpendicular to the PCB board, and the PTC core and the PCB board are connected to form an "L" shaped structure; the PTC core can be inserted into the air conditioning box; and the PCB board does not block the foot blowing air duct.

[0011] The high-voltage line of the PTC core is welded to the PCB board through a pin.

[0012] It also has a housing, the PCB board is installed inside the housing, the PTC core is connected to the housing, and the pins of the PTC core are inserted into the housing and soldered to the PCB board.

[0013] The housing and the PTC core are connected to form an "L"-shaped structure; the first end face of the housing is flush with the PTC core.

[0014] The second end face of the box is also provided with a connector, which is electrically connected to the PCB board.

[0015] The connector is parallel to the box body.

[0016] The foot-blowing air duct includes a first foot-blowing air duct, a second foot-blowing air duct, and a third foot-blowing air duct, and the box body is located below the first foot-blowing air duct, the second foot-blowing air duct, and the third foot-blowing air duct.

[0017] The first foot blowing duct and the third foot blowing duct are symmetrically arranged on both sides of the second foot blowing duct, and the second foot blowing duct is located above the first foot blowing duct and the third foot blowing duct.

[0018] The first end face of the box is flush with the lower ends of the first and third foot blowing ducts.

[0019] An automotive air conditioner has the aforementioned automotive PTC core and controller assembly structure.

[0020] One of the above technical solutions has the following advantages or beneficial effects: the PTC has a gap around it, which will not interfere with the foot blowing duct, and it can adapt to the structural changes of the car air conditioner, so as to achieve the purpose of reducing costs and increasing efficiency. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the assembly structure of the automotive PTC core and controller provided in an embodiment of the present invention;

[0022] Figure 2 for Figure 1 A schematic diagram of the assembly structure of the automotive PTC core and controller;

[0023] Figure 3 for Figure 1 A schematic diagram of the assembly structure of the automotive PTC core and controller;

[0024] Figure 4 for Figure 1 A schematic diagram of the assembly structure of the automotive PTC core and controller;

[0025] Figure 5 for Figure 1 A schematic diagram of the assembly structure of the automotive PTC core and controller;

[0026] Figure 6 For Figure 1 The structural diagram of the automobile PTC core and controller assembly structure is shown in the figure.

[0027] The marks in the above figure are as follows: 1, PTC core; 2, PCB board; 3, joint; 4, box body; 41, first end face; 5, air conditioner box; 61, first foot blowing air duct; 62, second foot blowing air duct; and 63, third foot blowing air duct. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0029] Embodiment one

[0030] Referring to Figures 1-6 An automobile PTC core 1 and controller assembly structure has the following: an air conditioner box 5, which is provided with a foot blowing air duct; a PTC core 1, which can heat treat the air conditioner box 5; a PCB board 2, on which the PTC core 1 is installed; the PTC core 1 is perpendicular to the PCB board 2, and the PTC core 1 and the PCB board 2 are connected to form an “L” shaped structure; the PTC core 1 can be inserted into the air conditioner box 5; and the PCB board 2 does not block the foot blowing air duct. The PTC periphery has a gap, does not interfere with the foot blowing air duct, can adapt to the structural changes of the automobile air conditioner, and achieves the purpose of reducing cost and increasing efficiency. The PTC core 1 and the controller (PCB board 2) are assembled in a single flat manner, which can save assembly space. The L-shaped structure is simple and easy to use, saves space, is practical, and is conducive to the assembly of the core to the side. The L-shaped connection terminal can enable the heating core to be installed on one side of the controller, which is convenient for the arrangement of the PTC in the air conditioner box 5.

[0031] The high-voltage line of the PTC core 1 is welded with the PCB board 2 through a pin. The high-voltage line of the PTC core 1 is directly welded with the PCB board through a pin, which is more firm in contact and has higher conductivity.

[0032] Further, the PCB board 2 is installed in a box body 4, the PTC core 1 is connected with the box body 4, and the pin of the PTC core 1 is inserted into the box body 4 and welded with the PCB board 2. The box body 4 plays a role in protecting the PCB board 2.

[0033] The box body 4 and the PTC core body 1 are connected to form an "L" shaped structure; the first end surface 41 of the box body 4 is flush with the PTC core body 1. The flush assembly of the PTC core body 1 and the box body 4 on one side can save assembly space, and the L-shaped structure is simple and easy to use, saves space, and has high practicability, which is beneficial to the assembly of the core body on the side. The L-shaped connecting terminal can enable the heating core to be installed on one side relative to the controller, which is convenient for the arrangement of the PTC in the air conditioner box 5.

[0034] The second end surface of the box body 4 is also provided with a connector 3, and the connector 3 is electrically connected with the PCB 2. The PCB 2 is conveniently connected in power.

[0035] The connector 3 is parallel to the box body 4. The connector 3 and the box body 4 form a linear structure, and are connected with the PTC core body 1 to form an "L" shaped structure; the L-shaped structure is simple and easy to use, saves space, and has high practicability, which is beneficial to the assembly of the core body on the side. The L-shaped connecting terminal can enable the heating core to be installed on one side relative to the controller, which is convenient for the arrangement of the PTC in the air conditioner box 5.

[0036] The foot blowing air duct includes a first foot blowing air duct 61, a second foot blowing air duct 62 and a third foot blowing air duct 63, and the box body 4 is located below the first foot blowing air duct 61, the second foot blowing air duct 62 and the third foot blowing air duct 63. The box body 4 will not block the first foot blowing air duct 61, the second foot blowing air duct 62 and the third foot blowing air duct 63, and will not interfere with the foot blowing air duct, which can adapt to the structural changes of the automobile air conditioner and achieve the purpose of reducing cost and increasing efficiency.

[0037] The first foot blowing air duct 61 and the third foot blowing air duct 63 are symmetrically arranged on both sides of the second foot blowing air duct 62, and the second foot blowing air duct 62 is located above the first foot blowing air duct 61 and the third foot blowing air duct 63. The layout of the first foot blowing air duct 61, the second foot blowing air duct 62 and the third foot blowing air duct 63 makes the PTC not interfere with the foot blowing air duct, which can adapt to the structural changes of the automobile air conditioner and achieve the purpose of reducing cost and increasing efficiency.

[0038] The first end surface 41 of the box body 4 is flush with the lower end of the first foot blowing air duct 61 and the third foot blowing air duct 63. The structure of the box body 4 will not block the first foot blowing air duct 61 and the third foot blowing air duct 63, and the PTC will not interfere with the foot blowing air duct, which can adapt to the structural changes of the automobile air conditioner and achieve the purpose of reducing cost and increasing efficiency.

[0039] After adopting the above structure, the PTC has a gap around it, which will not interfere with the foot blowing air duct, which can adapt to the structural changes of the automobile air conditioner and achieve the purpose of reducing cost and increasing efficiency.

[0040] Example two

[0041] The application relates to an automobile air conditioner with the automobile PTC core 1 and controller assembly structure. The automobile PTC core 1 and controller assembly structure comprises an air conditioner box 5 provided with a foot blowing air duct; the PTC core 1 can heat the air conditioner box 5; the PTC core 1 is installed on a PCB 2; the PTC core 1 is perpendicular to the PCB 2, and the PTC core 1 and the PCB 2 are connected to form an L-shaped structure; the PTC core 1 can be inserted into the air conditioner box 5; and the PCB 2 does not shield the foot blowing air duct. The PTC periphery has a gap and does not interfere with the foot blowing air duct, can adapt to the structural change of the automobile air conditioner, and achieves the purpose of reducing cost and increasing efficiency. The PTC core 1 and the controller (PCB 2) are assembled in a single-edge flush mode, the assembly space is saved, the L-shaped structure is simple and easy to implement, space is saved, the practicality is high, and the core body is beneficial to be assembled on the side. The L-shaped connecting terminal can enable the heating core body to be installed on one side of the controller, and the PTC is convenient to arrange in the air conditioner box 5.

[0042] The high-voltage line of the PTC core 1 is welded with the PCB 2 through a pin. The high-voltage line of the PTC core 1 is directly welded with the PCB through a pin, the contact is more firm, and the conductivity is higher.

[0043] The application further comprises a box body 4, the PCB 2 is installed in the box body 4, the PTC core 1 is connected with the box body 4, the pin of the PTC core 1 is inserted into the box body 4 and welded with the PCB 2. The box body 4 protects the PCB 2.

[0044] The box body 4 and the PTC core 1 are connected to form an L-shaped structure; the first end surface 41 of the box body 4 is flush with the PTC core 1. The PTC core 1 and the box body 4 are assembled in a single-edge flush mode, the assembly space is saved, the L-shaped structure is simple and easy to implement, space is saved, the practicality is high, and the core body is beneficial to be assembled on the side. The L-shaped connecting terminal can enable the heating core body to be installed on one side of the controller, and the PTC is convenient to arrange in the air conditioner box 5.

[0045] The second end surface of the box body 4 is further provided with a connector 3, and the connector 3 is electrically connected with the PCB 2. The PCB 2 is conveniently connected with electricity.

[0046] The connector 3 is parallel with the box body 4. The connector 3 and the box body 4 form a linear structure, and are connected with the PTC core 1 to form an L-shaped structure; the L-shaped structure is simple and easy to implement, space is saved, the practicality is high, and the core body is beneficial to be assembled on the side. The L-shaped connecting terminal can enable the heating core body to be installed on one side of the controller, and the PTC is convenient to arrange in the air conditioner box 5.

[0047] The foot blowing air ducts include a first foot blowing air duct 61, a second foot blowing air duct 62 and a third foot blowing air duct 63, and the box body 4 is located below the first foot blowing air duct 61, the second foot blowing air duct 62 and the third foot blowing air duct 63. The box body 4 does not block the first foot blowing air duct 61, the second foot blowing air duct 62 and the third foot blowing air duct 63, and does not interfere with the foot blowing air ducts, so that the structure of the automobile air conditioner can be adapted, and the purpose of reducing cost and increasing efficiency is achieved.

[0048] The first foot blowing air duct 61 and the third foot blowing air duct 63 are symmetrically arranged on both sides of the second foot blowing air duct 62, and the second foot blowing air duct 62 is located above the first foot blowing air duct 61 and the third foot blowing air duct 63. The layout of the first foot blowing air duct 61, the second foot blowing air duct 62 and the third foot blowing air duct 63 makes the PTC not interfere with the foot blowing air ducts, so that the structure of the automobile air conditioner can be adapted, and the purpose of reducing cost and increasing efficiency is achieved.

[0049] The first end surface 41 of the box body 4 is flush with the lower ends of the first foot blowing air duct 61 and the third foot blowing air duct 63. The structure of the box body 4 does not block the first foot blowing air duct 61 and the third foot blowing air duct 63, and the PTC does not interfere with the foot blowing air ducts, so that the structure of the automobile air conditioner can be adapted, and the purpose of reducing cost and increasing efficiency is achieved.

[0050] After the above structure is adopted, the PTC has a gap around it, does not interfere with the foot blowing air ducts, can adapt to the structure change of the automobile air conditioner, and achieves the purpose of reducing cost and increasing efficiency.

[0051] In the description of the present application, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0052] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "arrangement", "connection", "fixing", "threaded connection" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited, and those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0053] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. An assembly structure for an automotive PTC core and controller, characterized in that, have: Air conditioning unit, which is equipped with a foot-blowing air duct; The PTC core is capable of heating the air conditioning unit; The PTC core is mounted on a PCB board; the PTC core is perpendicular to the PCB board, and the PTC core and the PCB board are connected to form an "L" shaped structure; the PTC core can be inserted into an air conditioning unit. The PCB board does not obstruct the foot-blowing air duct.

2. The automotive PTC core and controller assembly structure as described in claim 1, characterized in that, The high-voltage wires of the PTC core are soldered to the PCB board via pins.

3. The automotive PTC core and controller assembly structure as described in claim 2, characterized in that, It also has a housing, the PCB board is installed inside the housing, the PTC core is connected to the housing, and the pins of the PTC core are inserted into the housing and soldered to the PCB board.

4. The automotive PTC core and controller assembly structure as described in claim 3, characterized in that, The housing and the PTC core are connected to form an "L" shaped structure; the first end face of the housing is flush with the PTC core.

5. The automotive PTC core and controller assembly structure as described in claim 4, characterized in that, The second end face of the box is also provided with a connector, which is electrically connected to the PCB board.

6. The automotive PTC core and controller assembly structure as described in claim 5, characterized in that, The connector is parallel to the box body.

7. The automotive PTC core and controller assembly structure as described in claim 6, characterized in that, The foot-blowing air duct includes a first foot-blowing air duct, a second foot-blowing air duct, and a third foot-blowing air duct, and the box body is located below the first foot-blowing air duct, the second foot-blowing air duct, and the third foot-blowing air duct.

8. The automotive PTC core and controller assembly structure as described in claim 7, characterized in that, The first foot blowing duct and the third foot blowing duct are symmetrically arranged on both sides of the second foot blowing duct, and the second foot blowing duct is located above the first foot blowing duct and the third foot blowing duct.

9. The automotive PTC core and controller assembly structure as described in claim 8, characterized in that, The first end face of the box is flush with the lower ends of the first and third foot blowing ducts.

10. An automotive air conditioner, characterized in that, It has the automotive PTC core and controller assembly structure as described in any one of claims 1 to 9.