A controller assembly and a recliner chair

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By integrating heating, vibration, and infrared light components into the backrest cushion of the chair and connecting the controller module with the conductive components, multiple massage functions can be achieved, solving the problem of the limited functionality of existing chairs and improving the comfort and functionality of the chair.

CN224522696UActive Publication Date: 2026-07-21SHENZHEN DONGBA IND CO LTD

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Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: SHENZHEN DONGBA IND CO LTD
Filing Date: 2025-06-03
Publication Date: 2026-07-21

AI Technical Summary

Technical Problem

Existing backrest chairs are poorly functional, providing only support and lacking diverse features.

Method used

The backrest cushion of the chair integrates electric heating elements, vibration elements, and red light elements, and connects them to the conductive elements through a controller module to realize electric heating massage, vibration massage, or red light massage functions. The controller module is arranged separately from or on the same side as the backrest cushion to make full use of the space of the backrest.

Benefits of technology

The functionality of the backrest chair has been enhanced, providing a variety of comfort-enhancing features, avoiding a single support function, and improving the user experience.

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Abstract

The application provides a controller assembly and a backrest chair. The backrest chair comprises a backrest chair body provided with a backrest part and a backrest cushion. The backrest cushion is connected with a functional part. The functional part comprises at least one of an electric heating part, a vibrating part and a red light part. A controller module is installed on the backrest part. The controller assembly comprises the controller module. The controller module comprises a shell, a circuit board and a conductive part. The shell is connected with the backrest part. The shell is provided with a receiving cavity. The circuit board is located in the receiving cavity. The circuit board is electrically connected with the functional part through the conductive part. The conductive part passes through the backrest part or the conductive part is wired along the backrest part. At this time, the controller module and the backrest cushion are arranged on the rear side and the front side of the backrest part respectively. Alternatively, the controller module and the backrest cushion are located on the same side of the backrest part. The controller module and the backrest cushion make full use of the space of the backrest part, integrate multiple functions and avoid only having a supporting function, thereby enriching the functionality of the controller assembly.

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Description

Technical Field

[0001] This utility model relates to the technical field of backrest chairs, and more particularly to a controller assembly and a backrest chair. Background Technology

[0002] With the development of technology, backrest chairs have been applied to people's lives. Backrest chairs are used to adjust the contact points between the human body and the seat to obtain a more comfortable angle and reduce user fatigue.

[0003] In the prior art, existing backrest chairs include a backrest chair body, which has a backrest part and a backrest cushion. The backrest part is arranged in an arc shape. The backrest cushion is installed on the backrest part. The backrest cushion is used to contact or support the user's back. However, it only has a supporting function, which results in poor functionality of existing backrest chairs. Utility Model Content

[0004] The purpose of this utility model is to provide a controller assembly and a backrest chair. The backrest chair includes a main body with a backrest section and a backrest cushion. The backrest section is arranged in an arc shape. The backrest cushion is installed on the backrest section and is used to contact or support the user's back. The backrest cushion is connected to a functional component, which includes at least one of an electric heating element, a vibration element, and a red light element. A controller module is installed on the backrest section and includes a housing, a circuit board, and a conductive element. The housing is connected to the backrest section and has a receiving cavity. The circuit board is located in the receiving cavity and is electrically connected to the functional component through the conductive element. The conductive element passes through the backrest section, or the conductive element runs along the backrest section. In this case, the controller module and the backrest cushion are located on the rear and front sides of the backrest section, respectively; or the controller module and the backrest cushion are located on the same side of the backrest section. The controller module and the backrest cushion make full use of the space of the backrest section, integrate multiple functions, avoid only providing support, and enrich the functionality of the controller assembly.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a controller assembly applied to a backrest chair, the backrest chair including a backrest chair body, the backrest chair body having a backrest part and a backrest cushion, the backrest part being arranged in an arc shape; the backrest cushion being installed on the backrest part; the backrest cushion being used to contact or support the user's back; the backrest cushion being connected to a functional component, the functional component including at least one of an electric heating component, a vibration component, and an infrared light component;

[0006] The controller assembly includes a controller module mounted on the backrest. The controller module includes a housing, a circuit board, and a conductive element. The housing is connected to the backrest and has a receiving cavity. The circuit board is located within the receiving cavity and is electrically connected to the functional component via the conductive element. The conductive element passes through the backrest, or it runs along the backrest. In this case, the controller module and the backrest cushion are located on the rear and front sides of the backrest, respectively; or, the controller module and the backrest cushion are located on the same side of the backrest.

[0007] The controller module is located on the rear side of the backrest and is partially exposed on the rear side of the backrest; the housing includes a first housing portion and a second housing portion, the first housing portion being connected to the rear sidewall of the backrest; the first housing portion and the second housing portion are connected and enclose the receiving cavity; the circuit board is mounted on the first housing portion or the second housing portion; the conductive portion of the circuit board is connected to the conductive element, and the conductive element passes through the first housing portion or the backrest;

[0008] The first housing portion is detachably connected to the rear sidewall of the backrest portion; the rear sidewall of the backrest portion is provided with a first through hole, and the first housing portion is provided with a second through hole, the second through hole and the first through hole are connected along the thickness direction of the backrest portion; the conductive element passes through the second through hole and the first through hole.

[0009] Optionally, the functional component is built into the backrest cushion, or the functional component is disposed on the surface of the backrest cushion;

[0010] The conductive element is located between the circuit board and the functional component, passing through the backrest and being electrically connected to the functional component.

[0011] Optionally, the backrest cushion has a channel space, and the channel space has a first opening, which faces the space of the functional component relative to the backrest cushion.

[0012] The conductive element passes through the channel space, enters the space of the functional element relative to the backrest cushion through the first opening, and connects to the conductive part of the functional element; the conductive element includes at least one of conductive wire, conductive sheet, flexible circuit board and conductive layer.

[0013] Optionally, the rear sidewall of the backrest is provided with a connecting portion;

[0014] The controller module further includes a support portion connected to the connecting portion and covered by the backrest cushion. At this time, the support portion is located between the backrest portion and the backrest cushion.

[0015] The first housing portion is integrally connected to or formed into the support portion.

[0016] Optionally, the connecting part is provided with a positioning hole; the supporting part is provided with a positioning post, the positioning post passes through the positioning hole and is positioned and connected with the positioning hole, so that the supporting part is positioned relative to the connecting part.

[0017] Optionally, the second housing portion is located outside the first housing portion, and the second housing portion is detachably mounted on the first housing portion;

[0018] The first housing portion is provided with a first mounting portion; the second housing portion is provided with a second mounting portion, and the first mounting portion and the second mounting portion are a snap-fit structure, a magnetic structure, a locking structure or a docking structure.

[0019] Optionally, the first housing portion is provided with a power supply accommodating space;

[0020] The controller module also includes a power supply housed in a power supply housing space. The power supply is electrically connected to the circuit board and provides power to the circuit board and the functional components.

[0021] To achieve the above objectives, the present invention provides the following technical solution: a backrest chair, including the aforementioned controller assembly.

[0022] Compared with the prior art, the beneficial effects of this utility model are:

[0023] This utility model provides a controller assembly and a backrest chair. The backrest chair includes a main body with a backrest section and a backrest cushion. The backrest section is arranged in an arc shape. The backrest cushion is installed on the backrest section and is used to contact or support the user's back. The backrest cushion is connected to a functional component, which includes at least one of an electric heating element, a vibration element, and a red light element. A controller module is installed on the backrest section and includes a housing, a circuit board, and a conductive element. The housing is connected to the backrest section and has a receiving cavity. The circuit board is located in the receiving cavity and is electrically connected to the functional component through the conductive element. The conductive element passes through the backrest section, or the conductive element runs along the backrest section. In this case, the controller module and the backrest cushion are located on the rear and front sides of the backrest section, respectively; or the controller module and the backrest cushion are located on the same side of the backrest section. The controller module and the backrest cushion make full use of the space of the backrest section, integrate multiple functions, avoid only providing support, and enrich the functionality of the controller assembly. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings. In the following description, the same reference numerals denote the same parts.

[0026] Figure 1 A schematic diagram of a controller component according to an embodiment of this application is shown.

[0027] Figure 2 An exploded view of a controller component according to one embodiment of this application is shown.

[0028] Figure 3 A schematic diagram of a controller module of a controller component according to an embodiment of this application is shown.

[0029] Figure 4 An exploded view of a controller module of a controller assembly according to an embodiment of this application is shown.

[0030] Figure 5 A schematic diagram of the first housing portion of a controller assembly according to an embodiment of this application is shown.

[0031] Figure Labels

[0032] 100. Controller components;

[0033] 10. Backrest chair body; 11. Backrest section; 111. Connecting section; 111a. First through hole; 111b. Positioning hole; 12. Backrest cushion; 12a. Channel space; 12b. First opening; 121. Functional component;

[0034] 20. Controller module; 21. Housing; 211. First housing part; 211a. Second through hole; 211b. Power supply housing space; 2111. First mounting part; 212. Second housing part; 21a. Receiving cavity; 2121. Second mounting part; 22. Circuit board; 23. Conductive component; 24. Support part; 241. Positioning post; 25. Power supply. Detailed Implementation

[0035] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0036] Please refer to the attached document. Figures 1-5 This application provides a controller assembly 100 applied to a backrest chair. The backrest chair includes a chair body 10, a backrest portion 11, and a backrest cushion 12. The backrest portion 11 is arranged in an arc shape. The backrest cushion 12 is installed on the backrest portion 11 and is used to contact or support the user's back. The backrest cushion 12 is connected to a functional component 121, which includes at least one of an electric heating element, a vibration element, and a red light element. The controller assembly 100 is used to control the functional component 121 to perform electric heating massage, vibration massage, or red light massage on the user.

[0037] Please refer to the attached document. Figures 1-5 In this embodiment, the controller assembly 100 includes a controller module 20, which is mounted on the backrest 11. The controller module 20 includes a housing 21, a circuit board 22, and a conductive element 23. The housing 21 is connected to the backrest 11 and has a receiving cavity 21a. The circuit board 22 is located in the receiving cavity 21a and is electrically connected to the functional element 121 via the conductive element 23. The conductive element 23 passes through the backrest 11, or the conductive element 23 runs along the backrest 11. In this case, the controller module 20 and the backrest pad 12 are located on the rear and front sides of the backrest 11, respectively. Alternatively, the controller module 20 and the backrest pad 12 are located on the same side of the backrest 11. The controller module 20 and the backrest pad 12 make full use of the space of the backrest 11, integrate multiple functions, avoid only providing support, and enrich the functionality of the controller assembly 100.

[0038] Please refer to the attached document. Figures 1-5 In this embodiment, the backrest chair body 10 serves as a support component of the controller assembly 100, and is used to support the controller module 20. The backrest chair body 10 is provided with a backrest portion 11 and a backrest cushion 12. The backrest portion 11 is arranged in an arc shape; the backrest cushion 12 is installed on the backrest portion 11; the backrest cushion 12 is used to contact or support the user's back, so that the user's back can make soft contact with the backrest cushion 12, thereby improving the user's comfort; the backrest cushion 12 is connected to a functional component 121, which includes at least one of an electric heating component, a vibration component, and a red light component.

[0039] The controller module 20 is installed on the backrest 11. The controller module 20 includes a housing 21, a circuit board 22, and a conductive element 23. The housing 21 is connected to the backrest 11 so that the controller module 20 can be connected to the backrest 11 through the housing 21. The housing 21 has a receiving cavity 21a, and the circuit board 22 is located in the receiving cavity 21a. The circuit board 22 is electrically connected to the functional element 121 through the conductive element 23. The conductive element 23 passes through the backrest 11, or the conductive element 23 runs along the backrest 11. At this time, the controller module 20 and the backrest pad 12 are located on the rear and front sides of the backrest 11, respectively; or the controller module 20 and the backrest pad 12 are located on the same side of the backrest 11. The controller module 20 and the backrest pad 12 make full use of the space of the backrest 11, integrate multiple functions, avoid only providing support, and enrich the functionality of the controller assembly 100.

[0040] Please refer to the attached document. Figures 1-5 In this embodiment, the functional component 121 is built into the backrest cushion 12, or the functional component 121 is disposed on the surface of the backrest cushion 12, so that the functional component 121 can make full use of the space of the backrest cushion 12. The conductive component 23 is located between the circuit board 22 and the functional component 121. The conductive component 23 passes through the backrest cushion 12 and is electrically connected to the functional component 121, so that the circuit board 22 can achieve electrical connection with the functional component 121 through the conductive component 23, thereby facilitating the circuit board 22 to transmit signals to the functional component 121.

[0041] Please refer to the attached document. Figures 1-5 In this embodiment, the backrest cushion 12 has a channel space 12a, and the channel space 12a has a first opening 12b. The first opening 12b faces the space of the functional component 121 relative to the backrest cushion 12. The conductive component 23 passes through the channel space 12a and enters the space of the functional component 121 relative to the backrest cushion 12 through the first opening 12b, and connects to the conductive part of the functional component 121. This allows the conductive component 23 to enter the inner side of the backrest cushion 12 through the channel space 12a and the first opening 12b, thereby connecting the conductive component 23 with the conductive part of the functional component 121. The conductive component 23 includes at least one of a conductive wire, a conductive sheet, a flexible circuit board 22, and a conductive layer. When the conductive component 23 is a conductive wire, an electrical connection channel can be established between the backrest cushion 12 and the functional component 121.

[0042] When the conductive element 23 is a conductive sheet, it serves as a signal transmission surface, but it typically has a large contact area. This is advantageous in scenarios requiring multi-point signal transmission or stable signal transmission. When the conductive element 23 is a flexible circuit board 22, it is a type of circuit board that can be bent and folded. In the soft environment of the backrest cushion 12, it can adapt well to the shape changes of the backrest cushion 12. When the conductive element 23 is a conductive layer, the conductive layer can be evenly distributed in the contact area between the backrest cushion 12 and the functional element 121.

[0043] In this embodiment, the controller module 20 is located on the rear side of the backrest 11 and is partially exposed on the rear side of the backrest 11; the housing 21 includes a first housing part 211 and a second housing part 212. The first housing part 211 is connected to the rear sidewall of the backrest 11 so that the first housing part 211 is fixed to the rear sidewall of the backrest 11, thereby making full use of the space of the rear sidewall of the backrest 11; the first housing part 211 and the second housing part 212 are connected and enclose to form a receiving cavity 21a; so that the inner sidewalls of the first housing part 211 and the second housing part 212 serve as the inner sidewalls of the receiving cavity 21a.

[0044] The circuit board 22 is mounted on the first housing portion 211 or the second housing portion 212 so that the circuit board 22 is fixed to the first housing portion 211 or the second housing portion 212; the conductive portion of the circuit board 22 is connected to the conductive member 23, and the conductive member 23 passes through the first housing portion 211 or the backing portion 11 so that the conductive member 23 can extend to the conductive portion of the functional member 121.

[0045] Please refer to the attached document. Figures 1-5 In this embodiment, the first housing portion 211 is detachably connected to the rear sidewall of the backrest portion 11 so that the first housing portion 211 can be connected to or detached from the backrest portion 11; the rear sidewall of the backrest portion 11 is provided with a first through hole 111a, and the first housing portion 211 is provided with a second through hole 211a, the second through hole 211a and the first through hole 111a are connected along the thickness direction of the backrest portion 11; the conductive member 23 passes through the second through hole 211a and the first through hole 111a so that the conductive member 23 extends toward the conductive portion of the functional member 121 through the second through hole 211a and the first through hole 111a so as to realize the connection between the conductive member 23 and the conductive portion of the functional member 121.

[0046] Please refer to the attached document. Figures 1-5In this embodiment, the rear sidewall of the backrest 11 is provided with a connecting portion 111; the controller module 20 also includes a support portion 24, which is connected to the connecting portion 111 and covered by the backrest pad 12 to hide the support portion 24 and the connecting portion 111, ensuring aesthetics. At this time, the support portion 24 is located between the backrest 11 and the backrest pad 12. The first housing portion 211 is either separately connected to or integrally connected to the support portion 24. When the first housing portion 211 is separately connected to the support portion 24, it allows the first housing portion 211 to connect to or detach from the support portion 24, facilitating disassembly of the controller module 20 and improving maintenance convenience. When the first housing portion 211 is integrally connected to the support portion 24, it allows the first housing portion 211 to connect to the connecting portion 111 via the support portion 24, facilitating fixation of the first housing portion 211 to the rear sidewall of the backrest 11.

[0047] Please refer to the attached document. Figures 1-5 In this embodiment of the application, the connecting part 111 is provided with a positioning hole 111b; the supporting part 24 is provided with a positioning post 241, the positioning post 241 passes through the positioning hole 111b and is positioned and connected with the positioning hole 111b, so that the supporting part 24 is positioned relative to the connecting part 111, ensuring the positional accuracy of the first housing part 211 relative to the backing part 11 and improving the assembly convenience of the first housing part 211.

[0048] Please refer to the attached document. Figures 1-5 In this embodiment, the second housing portion 212 is located outside the first housing portion 211, and the second housing portion 212 is detachably mounted on the first housing portion 211; so that the second housing portion 212 can be connected to or detached from the first housing portion 211, thereby facilitating the direct removal of the second housing portion 212 for maintenance of the controller module 20.

[0049] The first housing portion 211 is provided with a first mounting portion 2111; the second housing portion 212 is provided with a second mounting portion 2121. The first mounting portion 2111 and the second mounting portion 2121 are snap-fit structures, magnetic structures, locking structures or docking structures, so that the first housing portion 211 and the second housing portion 212 can be detachably connected through snap-fit structures, magnetic structures, locking structures or docking structures.

[0050] Please refer to the attached document. Figures 1-5 In this embodiment, the first housing portion 211 is provided with a power supply accommodating space 211b; the controller module 20 also includes a power supply 25, which is accommodated in the power supply accommodating space 211b so that the power supply 25 can make full use of the power supply accommodating space 211b. The power supply 25 is electrically connected to the circuit board 22 and provides power to the circuit board 22 and the functional component 121 so that the circuit board 22 can maintain its working state, thereby facilitating the circuit board 22 to transmit signals to the functional component 121.

[0051] In a second application embodiment, a backrest chair includes a controller assembly 100, which is part of the backrest chair and is used to adjust the contact point between the human body and the seat.

[0052] At this time, the controller assembly 100 includes a controller module 20, the backrest chair body 10 is provided with a backrest part 11 and a backrest cushion 12, the backrest part 11 is arranged in an arc shape; the backrest cushion 12 is installed on the backrest part 11; the backrest cushion 12 is used to contact or support the user's back; the backrest cushion 12 is connected to a functional component 121, the functional component 121 includes at least one of an electric heating component, a vibration component and a red light component; the controller module 20 is installed on the backrest part 11, the controller module 20 includes a housing 21, a circuit board 22 and a conductive component 23; the housing 21 is connected to the backrest part 11, the housing 21 is provided with a receiving cavity 2 1a, the circuit board 22 is located in the receiving cavity 21a, and the circuit board 22 is electrically connected to the functional component 121 through the conductive component 23; the conductive component 23 passes through the backrest portion 11, or the conductive component 23 is routed along the backrest portion 11; at this time, the controller module 20 and the backrest pad 12 are respectively located on the rear and front sides of the backrest portion 11; or, the controller module 20 and the backrest pad 12 are located on the same side of the backrest portion 11. The controller module 20 and the backrest pad 12 make full use of the space of the backrest portion 11, integrate multiple functions, avoid only providing support, and enrich the functionality of the controller assembly 100.

[0053] Compared with the prior art, the beneficial effects of this utility model are:

[0054] This utility model provides a controller assembly 100 and a backrest chair. The backrest chair includes a backrest chair body 10, which has a backrest portion 11 and a backrest cushion 12. The backrest portion 11 is arranged in an arc shape. The backrest cushion 12 is installed on the backrest portion 11 and is used to contact or support the user's back. The backrest cushion 12 is connected to a functional component 121, which includes at least one of an electric heating element, a vibration element, and a red light element. A controller module 20 is installed on the backrest portion 11 and includes a housing 21, a circuit board 22, and a conductive element 23. The housing 21 is connected to the backrest portion 11. The system has a receiving cavity 21a, and a circuit board 22 is located inside the receiving cavity 21a. The circuit board 22 is electrically connected to the functional component 121 through a conductive element 23. The conductive element 23 passes through the backrest portion 11, or the conductive element 23 runs along the backrest portion 11. At this time, the controller module 20 and the backrest pad 12 are located on the rear and front sides of the backrest portion 11, respectively. Alternatively, the controller module 20 and the backrest pad 12 are located on the same side of the backrest portion 11. The controller module 20 and the backrest pad 12 make full use of the space of the backrest portion 11, integrate multiple functions, avoid only providing support, and enrich the functionality of the controller assembly 100.

[0055] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0056] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features.

[0057] This document uses specific examples to illustrate the principles and implementation methods of this application. The descriptions of the above embodiments are only for the purpose of helping to understand the methods and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A controller component, characterized in that, This invention is applied to a backrest chair, which includes a backrest chair body, a backrest part and a backrest cushion, wherein the backrest part is arranged in an arc shape; the backrest cushion is installed on the backrest part; the backrest cushion is used to contact or support the user's back; the backrest cushion is connected to a functional component, which includes at least one of an electric heating component, a vibration component and an infrared light component. The controller assembly includes a controller module mounted on the backrest. The controller module includes a housing, a circuit board, and a conductive element. The housing is connected to the backrest and has a receiving cavity. The circuit board is located within the receiving cavity and is electrically connected to the functional component via the conductive element. The conductive element passes through the backrest, or it runs along the backrest. In this case, the controller module and the backrest cushion are located on the rear and front sides of the backrest, respectively; or, the controller module and the backrest cushion are located on the same side of the backrest. The controller module is located on the rear side of the backrest and is partially exposed on the rear side of the backrest; the housing includes a first housing portion and a second housing portion, the first housing portion being connected to the rear sidewall of the backrest; the first housing portion and the second housing portion are connected and enclose the receiving cavity; the circuit board is mounted on the first housing portion or the second housing portion; the conductive portion of the circuit board is connected to the conductive element, and the conductive element passes through the first housing portion or the backrest; The first housing portion is detachably connected to the rear sidewall of the backrest portion; the rear sidewall of the backrest portion is provided with a first through hole, and the first housing portion is provided with a second through hole, the second through hole and the first through hole are connected along the thickness direction of the backrest portion; the conductive element passes through the second through hole and the first through hole.

2. The controller assembly according to claim 1, characterized in that, The functional component is built into the backrest cushion, or the functional component is disposed on the surface of the backrest cushion; The conductive element is located between the circuit board and the functional component, passing through the backrest and being electrically connected to the functional component.

3. The controller assembly according to claim 2, characterized in that, The backrest cushion has a channel space, and the channel space has a first opening, which faces the space of the functional component relative to the backrest cushion. The conductive element passes through the channel space, enters the space of the functional element relative to the backrest cushion through the first opening, and connects to the conductive part of the functional element; the conductive element includes at least one of conductive wire, conductive sheet, flexible circuit board and conductive layer.

4. The controller assembly according to claim 1, characterized in that, The rear side wall of the backrest is provided with a connecting part; The controller module further includes a support portion connected to the connecting portion and covered by the backrest cushion. At this time, the support portion is located between the backrest portion and the backrest cushion. The first housing portion is integrally connected to or formed into the support portion.

5. The controller assembly according to claim 4, characterized in that, The connecting part is provided with a positioning hole; the supporting part is provided with a positioning post, the positioning post passes through the positioning hole and is positioned and connected with the positioning hole, so that the supporting part is positioned relative to the connecting part.

6. The controller assembly according to claim 1, characterized in that, The second housing portion is located outside the first housing portion, and the second housing portion is detachably mounted to the first housing portion; The first housing portion is provided with a first mounting portion; the second housing portion is provided with a second mounting portion, and the first mounting portion and the second mounting portion are a snap-fit structure, a magnetic structure, a locking structure or a docking structure.

7. The controller assembly according to claim 1, characterized in that, The first housing portion is provided with a power supply accommodating space; The controller module also includes a power supply housed in a power supply housing space. The power supply is electrically connected to the circuit board and provides power to the circuit board and the functional components.

8. A backrest chair, characterized in that, Includes the controller component as described in any one of claims 1 to 7.