CN218936286U - Touch structure of automobile indoor ceiling lamp - Google Patents
Touch structure of automobile indoor ceiling lamp Download PDFInfo
- Publication number
- CN218936286U CN218936286U CN202223566848.XU CN202223566848U CN218936286U CN 218936286 U CN218936286 U CN 218936286U CN 202223566848 U CN202223566848 U CN 202223566848U CN 218936286 U CN218936286 U CN 218936286U
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- China
- Prior art keywords
- conductive rubber
- touch
- reflector
- bowl
- reflecting bowl
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
Abstract
The utility model discloses an automobile indoor ceiling lamp touch structure which comprises a shell, a reflecting bowl arranged in the shell, a lampshade arranged above the reflecting bowl, and a PCB arranged below the reflecting bowl, wherein a light source is arranged on the PCB; the PCB is provided with a capacitance sensing chip, a touch pad in circuit conduction with the capacitance sensing chip, a conductive rubber barrel is arranged between the touch pad and the reflecting bowl, and a conductive rubber mounting column in interference fit with the conductive rubber barrel is arranged on the reflecting bowl and is pressed on the touch pad. The utility model has simple structure, is convenient to assemble, can improve the conduction reliability of the touch circuit, and can be widely applied to the field of automobile touch dome lamps.
Description
Technical Field
The utility model relates to the field of automobile switches, in particular to an automobile indoor ceiling lamp touch structure.
Background
With the continuous development of the automobile industry, today, the feeling of science and technology and the comfort of user operation are continuously pursued, and the touch dome lamp has gradually occupied the main stream on new vehicle types of various large host factories. The existing touch dome lamp structure is used for realizing a touch function, a touch FPC structure is generally adopted, a hand feeling capacitor is transmitted to a touch pad of a circuit board through a reflecting bowl, meanwhile, in order to ensure the reliability of matching, a metal spring is generally arranged between the reflecting bowl and a PCB (printed circuit board) so as to solve the manufacturing error and the assembly error of parts, and the conduction reliability of a touch circuit is ensured. Because the reflector is mostly an electroplated part, the surface layer of the reflector is made of conductive materials, and the body is a non-conductive injection molding part, when a vehicle vibrates or the dome lamp vibrates due to the vibration, friction can be produced between the metal spring and the reflector, and the abrasion and even detachment of a conductive layer on the surface of the reflector can be caused for a long time, so that the conductivity of a touch circuit is influenced.
Disclosure of Invention
The utility model aims to provide an automobile indoor ceiling lamp touch structure, which solves the problem that the circuit of the existing automobile indoor ceiling lamp touch structure is poor in conduction stability.
The technical scheme adopted for solving the technical problems is as follows: the touch structure of the indoor ceiling lamp of the automobile comprises a shell, a reflector arranged in the shell, a lampshade arranged above the reflector, and a PCB arranged below the reflector, wherein a light source is arranged on the PCB; the PCB is provided with a capacitance sensing chip, a touch pad in circuit conduction with the capacitance sensing chip, a conductive rubber barrel is arranged between the touch pad and the reflecting bowl, and a conductive rubber mounting column in interference fit with the conductive rubber barrel is arranged on the reflecting bowl and is pressed on the touch pad.
Preferably, the reflecting bowl is an electroplated part, and the surface of the reflecting bowl is plated with a layer of conductive metal chromium; the material of the lampshade is PC2805.
In order to ensure the reliability of the fit connection, the length of the conductive rubber barrel in the natural state is longer than that of the conductive rubber barrel after the conductive rubber barrel is assembled in place.
For improving the reliability that face guard and reflector circuit switched on, the top of reflector is provided with round and lamp shade panel contact complex first touch panel, the side of reflector still is provided with and lamp shade bottom complex second touch panel.
Preferably, the conductive rubber barrel is made of conductive rubber with conductive performance, the material mark is B5090E02, and the conductive rubber is resistant to temperature: -40-105 ℃; shore hardness is 50HA-70HA; the on-resistance is less than 300 omega.
The utility model has the beneficial effects that: according to the utility model, the conductive rubber barrel is arranged between the reflecting bowl and the touch pad, and the problems of manufacturing and assembling errors of the reflecting bowl are solved through the elastic deformation of the conductive rubber barrel. Meanwhile, the conductive rubber cylinder is in interference fit with the conductive rubber mounting column, so that the reliability of contact conduction between the reflecting bowl and the conductive rubber cylinder can be ensured, and in addition, the reliability of contact between the conductive rubber cylinder and a touch pad on the PCB is ensured through assembly pre-pressing; meanwhile, the assembly is convenient. The first contact panel and the second contact panel matched with the mask are arranged on the reflecting bowl, so that the reliability of the mask matched with the reflecting bowl is improved.
The utility model will be described in more detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a cross-sectional view of the present utility model.
Fig. 2 is a schematic perspective view of a reflector according to the present utility model.
Detailed Description
The embodiment is shown in fig. 1 and 2, and the touch structure of the automobile indoor ceiling lamp comprises a shell 1, a reflector 2 arranged in the shell 1, and a lampshade 3 arranged above the reflector 2, wherein the reflector 2 is an electroplated part, and the surface of the reflector is plated with a layer of conductive metal chromium, so that the high brightness requirement and the conductive requirement of the reflector are ensured. The lampshade 3 is made of PC2805 material through injection molding and is made of non-conductive material. In order to ensure the reliability of the matching of the lampshade 3 and the reflector 2, a circle of first contact panel 12 which is matched with the panel of the lampshade 3 is arranged at the top of the reflector 2, a second contact panel 11 which is matched with the bottom of the lampshade 3 is also arranged on the side surface of the reflector 2, the top surface of the lampshade 3 is pressed on the first contact panel 12, and the bottom of the lampshade 3 is pressed on the second contact panel 11.
The LED lamp is characterized in that a PCB (printed Circuit Board) 4 is further arranged below the reflector 2 on the shell 1, a light source 7 is arranged on the PCB 4, and a light guide body 8 is arranged in the reflector 2. The outer wall of the reflector 2 is provided with the conductive rubber mounting column 10, and the conductive rubber mounting column 10 is arranged on the outer wall of the reflector 2, so that the reflecting effect of the reflector cannot be affected. The conductive rubber mounting column 10 is sleeved with a conductive rubber cylinder 6, and the conductive rubber cylinder 6 is installed on the conductive rubber mounting column 10 in an interference fit manner. The conductive rubber barrel is made of conductive rubber with conductive performance, the material mark is B5090E02, and the conductive rubber is resistant to temperature: -40-105 ℃; shore hardness is 50HA-70HA; the on-resistance is less than 300 omega. The PCB 4 is provided with a capacitance sensing chip 9, a touch pad 5 which is in circuit conduction with the capacitance sensing chip 9, and the conductive rubber mounting column 10 is pressed on the touch pad 5. After the conductive rubber cylinder 6 is assembled in place, the conductive rubber cylinder 6 is pressed and deformed, namely the length of the conductive rubber cylinder 6 in a natural state is larger than that of the conductive rubber cylinder 6 after the conductive rubber cylinder 6 is assembled in place, and the conductive rubber cylinder 6 is in a pre-pressing state, so that the reliability of matching is ensured. When a finger touches the lampshade 3, the capacitance sensing chip 9 can detect the capacitance change on the reflector 2 through the circuit conduction characteristics of the touch pad, the conductive rubber barrel and the reflector, so as to control the opening and closing of the light source 7.
The utility model is described above by way of example with reference to the accompanying drawings. It will be clear that the utility model is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present utility model; or the utility model is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the utility model.
Claims (4)
1. The utility model provides an indoor dome lamp touch structure of car, includes casing (1), sets up reflector bowl (2) in casing (1), installs lamp shade (3) above reflector bowl (2), sets up PCB board (4) below reflector bowl (2), be provided with light source (7) on PCB board (4); the method is characterized in that: be provided with electric capacity sensing chip (9) on PCB board (4), still be provided with touch pad (5) that switch on with electric capacity sensing chip (9) circuit, be provided with conductive rubber barrel (6) between touch pad (5) and reflector (2), be provided with on the reflector (2) with conductive rubber barrel (6) interference fit's conductive rubber erection column (10), conductive rubber barrel (6) pressure equipment is on touch pad (5).
2. The automotive interior dome lamp touch architecture of claim 1, wherein: the reflecting bowl (2) is an electroplated part, and the surface of the reflecting bowl is plated with a layer of conductive metal chromium; the material of the lampshade (3) is PC2805.
3. The automotive interior dome lamp touch architecture of claim 1, wherein: the length of the conductive rubber cylinder (6) in a natural state is larger than that of the conductive rubber cylinder (6) after the conductive rubber cylinder is assembled in place.
4. The automotive interior dome lamp touch architecture of claim 1, wherein: the top of reflector (2) is provided with round and lamp shade (3) panel contact complex first touch panel (12), the side of reflector (2) still is provided with and lamp shade (3) bottom complex second touch panel (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223566848.XU CN218936286U (en) | 2022-12-30 | 2022-12-30 | Touch structure of automobile indoor ceiling lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223566848.XU CN218936286U (en) | 2022-12-30 | 2022-12-30 | Touch structure of automobile indoor ceiling lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218936286U true CN218936286U (en) | 2023-04-28 |
Family
ID=86086038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223566848.XU Active CN218936286U (en) | 2022-12-30 | 2022-12-30 | Touch structure of automobile indoor ceiling lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218936286U (en) |
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2022
- 2022-12-30 CN CN202223566848.XU patent/CN218936286U/en active Active
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| GR01 | Patent grant |