CN114263858A

CN114263858A - Light condensing device, LED lamp assembly, electronic equipment and control method of LED lamp of electronic equipment

Info

Publication number: CN114263858A
Application number: CN202111625403.1A
Authority: CN
Inventors: 刘玉岩
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-04-01

Abstract

The application provides a light condensing device, an LED lamp assembly, electronic equipment and a control method of an LED lamp of the electronic equipment; the light condensing device includes: the device comprises a driving unit, a transmission unit and a reflector; the transmission unit is respectively connected with the driving unit and the reflector, the reflector is made of flexible materials, and the transmission unit can drive the reflector to be bent under the driving of the driving unit, so that the curvature radius of the reflector is changed. The condensing unit for adjusting light source light angle of being bare that this application embodiment provided adjusts the curvature radius of reflector panel through the drive unit and the cooperation of drive unit, and then reaches the purpose of adjusting light source light angle of being bare. The light condensing device in the embodiment of the application has the characteristics of simple structure and strong practicability.

Description

Light condensing device, LED lamp assembly, electronic equipment and control method of LED lamp of electronic equipment

Technical Field

The invention relates to the technical field of LED lamp structures of electronic equipment, in particular to a light condensing device, an LED lamp assembly, electronic equipment and a control method of an LED lamp of the electronic equipment.

Background

At present, mobile terminals in the market, such as mobile phone tablet computers and the like, are equipped with an LED light function to realize flash lamp photographing and flashlight functions in dark environments. Currently, two LEDs are commonly used in a mobile phone, and calibration for increasing brightness, light emitting area and white balance is realized.

Although two LEDs can bring convenience to users, users still have many scenes of inconvenience when using the flashlight function. For example, the functional light source for lighting the flashlight in dark environment is dispersed. Generally, a user only needs a small area to illuminate, a dispersed light source illuminates a large area around, and the user is very troublesome in multiple users or certain specific scenes without the light source; for example, people around the flashlight may sleep and the light source may disperse to affect other people to rest when the flashlight is turned on to find things. In addition, the dispersion of the light source can result in a decrease in the distance the flashlight shines and the intensity of the light source.

Disclosure of Invention

A first aspect of an embodiment of the present application provides a light condensing device for adjusting a light exit angle of a light source, where the light condensing device includes: the device comprises a driving unit, a transmission unit and a reflector; the transmission unit is respectively connected with the driving unit and the reflector, the reflector is made of flexible materials, and the transmission unit can drive the reflector to be bent under the driving of the driving unit, so that the curvature radius of the reflector is changed.

In a second aspect, an embodiment of the present application provides an LED lamp assembly, where the LED lamp assembly includes an LED lamp and the light condensing device described in any one of the above embodiments, the LED lamp is disposed on one side of a concave surface of a reflector of the light condensing device, and the light condensing device adjusts a light emitting angle of the LED lamp by adjusting a curvature radius of the reflector.

In a third aspect, an embodiment of the present application provides an electronic device, where the electronic device includes a display screen, a housing, a control circuit board, and the LED lamp assembly described in the above embodiments, and the LED lamp assembly can emit light through the housing; the shell with the display screen cooperation forms accommodation space, control circuit board locates in the accommodation space and with LED banks spare and the display screen electricity is connected.

In addition, an embodiment of the present application further provides a method for controlling an LED lamp of an electronic device according to the above embodiment, where the method for controlling an LED lamp includes:

receiving a light-gathering angle control signal of the LED lamp;

the curvature radius of the reflector is adjusted through the light condensing device, and then the light condensing angle of the LED lamp is adjusted.

The condensing unit for adjusting light source light angle of being bare that this application embodiment provided adjusts the curvature radius of reflector panel through the drive unit and the cooperation of drive unit, and then reaches the purpose of adjusting light source light angle of being bare. The light condensing device in the embodiment of the application has the characteristics of simple structure and strong practicability.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of a light condensing device for adjusting a light-emitting angle of a light source according to the present invention;

FIG. 2 is a schematic view of the reflector of the light-gathering device of FIG. 1 showing a changed radius of curvature;

FIG. 3 is a schematic structural diagram of another embodiment of a light condensing device for adjusting the light-emitting angle of the light source according to the present invention;

FIG. 4 is a schematic structural diagram of another embodiment of a light condensing device for adjusting the light-emitting angle of the light source according to the present application;

FIG. 5 is a schematic diagram of an embodiment of an LED lamp assembly of the present application;

FIG. 6 is a schematic structural diagram of an embodiment of an electronic device of the present application;

FIG. 7 is a schematic sectional view of the electronic device along the line A-A in the embodiment of FIG. 6;

FIG. 8 is a block diagram illustrating the structural components of an embodiment of the electronic device of the present application;

FIG. 9 is a schematic flow chart diagram of an embodiment of a method for controlling an LED lamp of an electronic device of the present application;

FIG. 10 is a schematic diagram of an interface for displaying control icons on an electronic device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only illustrative of the present invention, and do not limit the scope of the present invention. Likewise, the following examples are only some but not all examples of the present invention, and all other examples obtained by those skilled in the art without any inventive step are within the scope of the present invention.

The terms "first", "second" and "third" in the embodiments of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

As used herein, an "electronic device" (or simply "terminal") includes, but is not limited to, an apparatus that is configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). A communication terminal arranged to communicate over a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. A cellular phone is an electronic device equipped with a cellular communication module.

The method realizes the brightness intensity adjustment and the searchlighting distance adjustment of the mobile phone flashlight so as to meet the requirements of different scenes of different users, and is a very practical function. In order to solve the above problem, an embodiment of the present invention first provides a light condensing device for adjusting a light emitting angle of a light source.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a light condensing device for adjusting a light emitting angle of a light source according to the present application; it should be noted that the light condensing device in the present application is used in an LED lamp assembly, and the LED lamp assembly may be used in an electronic device, and the electronic device may include a mobile phone, a tablet computer, a notebook computer, a wearable device, and the like. The light condensing device 100 for adjusting the light-emitting angle of the light source includes, but is not limited to, the following structures: a driving unit 110, a transmission unit 120, and a reflection plate 130. It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the embodiments of the present application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or may alternatively include other steps or elements inherent to such process, method, article, or apparatus.

Specifically, the transmission unit 120 is connected to the driving unit 110 and the reflection plate 130, and the reflection plate 130 is made of a flexible material, and may specifically be a structure formed by a resin material plate and a reflection coating, such as a PET plate and a reflection coating (where the reflection coating is disposed on a concave surface of the reflection plate 130). The detailed material features of the reflector 130 are not listed and detailed herein.

The transmission unit 120 can drive the reflector 130 to bend under the driving of the driving unit 110, so as to change the curvature radius r of the reflector 130. Referring to fig. 2, fig. 2 is a schematic view illustrating a state that a curvature radius of a reflector of the light condensing device of fig. 1 is changed. By changing the curvature radius r of the reflector 130, the focusing and searchlighting distance of the LED lamp light source can be adjusted.

Optionally, with reference to fig. 1, the transmission unit 120 in this embodiment includes an elastic element 121 and a fixing element 122, the elastic element 121 is disposed on the fixing element 122, two ends of the elastic element 121 are respectively connected to the driving unit 110 and the reflector 130, a center point 131 of the reflector 130 is fixed (specifically, the center point 131 may be fixed on an LED lamp assembly or an electronic device where a light condensing device is installed, and is not specifically limited herein), so as to ensure that the center point 131 is fixed, and further, the curvature radius r is changed under the action of the elastic element 121.

Optionally, the fixing element 122 in this embodiment may be a fixing rod or a sliding rail, and the elastic element 121 may be a spring, the spring is sleeved on the fixing rod and can slide along the fixing rod (in the direction of the double-headed arrow X in the figure) under the driving of the driving unit 110, so as to apply a pulling force or a pushing force to the reflector 130.

Optionally, with reference to fig. 1, the driving unit 110 in the present embodiment includes a driving motor 111, a driving screw 112, and a driving arm 113; one end of the driving screw rod 112 is connected with the motor 111, the other end of the driving screw rod is connected with the driving arm 113, the driving arm 113 is provided with a threaded hole, and the driving screw rod 112 is matched with the threaded hole; the driving arm 113 is connected to the spring (elastic member 121); the driving arm 113 is used for driving the spring to move along the length direction of the fixed rod. Alternatively, the axial direction of the driving screw 112 in this embodiment is parallel to the length direction of the fixing rod, and both are parallel to the double-arrow X direction in the figure, i.e. the moving direction of the driving arm 113 and the elastic member 121.

Alternatively, the light-condensing apparatus 100 in the embodiment of the present application may include a plurality of the transmission units 120 (not limited to two in the illustrated embodiments of the present application), and the plurality of the transmission units 120 may be uniformly arranged along the circumference of the central point 131 of the reflector 130. Two ends of each transmission unit 120 are respectively connected with the driving arm 113 and the reflector 130, so that acting force is applied to the reflector 130 at multiple points, and the reflector 130 is stressed more uniformly and deforms more accurately.

Referring to fig. 3, fig. 3 is a schematic structural diagram of another embodiment of a light condensing device for adjusting a light-emitting angle of a light source according to the present application; the light-focusing device in this embodiment also includes, but is not limited to, a driving unit 110, a transmission unit 120, and a reflector 130. The transmission unit 120 is connected to the driving unit 110 and the reflection plate 130, and the reflection plate 130 is made of a flexible material, and may be a resin material plate and a reflection coating film structure, such as a PET plate and a reflection coating film.

The transmission unit 120 can drive the reflector 130 to bend under the driving of the driving unit 110, so as to change the curvature radius r of the reflector 130. By changing the curvature radius r of the reflector 130, the focusing and searchlighting distance of the LED lamp light source can be adjusted.

Optionally, with reference to fig. 3, the transmission unit 120 in the present embodiment includes an elastic element 121 and a fixing element 122, the elastic element 121 is disposed on the fixing element 122, two ends of the elastic element 121 are respectively connected to the driving unit 110 and the reflector 130, a center point 131 of the reflector 130 is fixed, so as to ensure that the center point 131 is fixed, and further, the curvature radius r is changed under the action of the elastic element 121. Optionally, the fixing element 122 in this embodiment may be a fixing rod or a sliding rail, and the elastic element 121 may be a spring, the spring is sleeved on the fixing rod and can slide along the fixing rod (in the direction of the double-headed arrow X in the figure) under the driving of the driving unit 110, so as to apply a pulling force or a pushing force to the reflector 130.

Unlike the foregoing embodiment, the driving unit 110 in the present embodiment includes a linear motor 114 and a driving arm 113; the mover 1141 of the linear motor is connected with the driving arm 113, the driving arm 113 is connected with the spring, and the driving arm 113 can be driven by the mover 1141 of the linear motor to move, so as to drive the spring to move along the length direction of the fixed rod. It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present application are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Optionally, referring to fig. 4, fig. 4 is a schematic structural diagram of another embodiment of the light condensing device for adjusting the light-emitting angle of the light source according to the present application; the driving unit 110 in this embodiment may include a driving cylinder 115 and a driving arm 113, a piston rod 1151 of the driving cylinder 115 is connected to the driving arm 113, the driving arm 113 is connected to the spring, and the driving arm 113 may be driven by the piston rod 1151 of the driving cylinder 115 to move, so as to drive the spring to move along a length direction of the fixing rod (in a direction of a double-headed arrow X in the figure).

In addition, in some other embodiments, a hydraulic cylinder or other driving means may be used, and it is understood by those skilled in the art that the description and the detailed description are omitted here.

Optionally, an LED lamp assembly is further provided in the embodiment of the present application, please refer to fig. 5, fig. 5 is a schematic structural diagram of an embodiment of the LED lamp assembly of the present application, the LED lamp assembly 10 in the embodiment includes an LED lamp 200, a lampshade 300 and a light condensing device 100, wherein the structure of the light condensing device 100 refers to the foregoing embodiment, and only one structure is illustrated in the drawings of the embodiment.

The lampshade 300 forms an accommodating space 310, the LED lamp 200 and the light gathering device 100 are disposed in the accommodating space 310, and the LED lamp 200 can emit light through the lampshade 300. The LED lamp 200 is disposed on one side of the concave surface of the reflector 130 of the light gathering device 100, and the light gathering device 100 adjusts the light emitting angle of the LED lamp 200 by adjusting the curvature radius of the reflector 130.

The embodiment of the application provides an LED banks spare, its condensing equipment passes through the drive unit and cooperates the curvature radius who adjusts the reflector panel with the drive unit, and then reaches the purpose of adjusting light source light angle of emergence, has simple structure, and the practicality is strong characteristics.

Further, an electronic device is provided in an embodiment of the present application, please refer to fig. 6 and fig. 7 together, fig. 6 is a schematic structural diagram of an embodiment of the electronic device of the present application, fig. 7 is a schematic structural sectional view of the electronic device along the line a-a in the embodiment of fig. 6, and the electronic device in the embodiment may include a display screen 30, a housing 40, a control circuit board 20, a camera module 50, and an LED lamp assembly 10. For details of the LED lamp assembly 10, please refer to the description of the previous embodiment. The LED lamp assembly 10 may emit light through the housing 40; the housing 40 and the display screen 30 are matched to form an accommodating space 1000, the control circuit board 20, the camera module 50 and the LED lamp assembly 10 are arranged in the accommodating space 1000, and the control circuit board 20 is electrically connected with the LED lamp assembly 10 and the display screen 30 and used for controlling the working states of the LED lamp assembly 10 and the display screen 30.

Referring to fig. 8, fig. 8 is a block diagram illustrating a structural composition of an embodiment of an electronic device according to the present application, where the electronic device may be a mobile phone, a tablet computer, a notebook computer, a wearable device, and the like, and the embodiment illustrates a mobile phone as an example. The electronic device may include an RF circuit 910, a memory 920, an input unit 930, a display unit 940 (i.e., the display screen 30 in the above-described embodiment), a sensor 950, an audio circuit 960, a wifi module 970, a processor 980 (which may be the control circuit board 20 in the above-described embodiment), a power supply 990, and the like. Wherein the RF circuit 910, the memory 920, the input unit 930, the display unit 940, the sensor 950, the audio circuit 960, and the wifi module 970 are respectively connected with the processor 980; power supply 990 is used to provide power to the entire electronic device.

Specifically, the RF circuit 910 is used for transmitting and receiving signals; the memory 920 is used for storing data instruction information; the input unit 930 is used for inputting information, and may specifically include a touch panel 931 and other input devices 932 such as operation keys; the display unit 940 may include a display panel 941; the sensor 950 includes an infrared sensor, a laser sensor, etc. for detecting a user approach signal, a distance signal, etc.; a speaker 961 and a microphone 962 are connected to the processor 980 through the audio circuit 960 for emitting and receiving sound signals; the wifi module 970 is used for receiving and transmitting wifi signals, and the processor 980 is used for processing data information of the electronic device. For specific structural features of the electronic device, please refer to the related description of the above embodiments, and detailed descriptions thereof will not be provided herein.

In the electronic device in this embodiment, the light condensing device of the LED lamp assembly adjusts the curvature radius of the reflector through the matching of the driving unit and the transmission unit, so as to achieve the purpose of adjusting the light emitting angle of the light source, and the electronic device has the characteristics of simple structure and strong practicability.

In addition, an embodiment of the present application further provides a method for controlling an LED lamp of an electronic device based on the foregoing embodiments, please refer to fig. 9, and fig. 9 is a schematic flowchart of an embodiment of the method for controlling an LED lamp of an electronic device of the present application, where the method for controlling an LED lamp includes, but is not limited to, the following steps.

And S100, receiving a light condensation angle control signal of the LED lamp.

The spotlight angle control signal of the LED lamp may be triggered by the user by displaying a control icon on the electronic device display 30. Referring to fig. 10, fig. 10 is an interface schematic diagram of a control icon displayed on an electronic device, where the control icon 301 may be used to control a light-gathering angle signal for triggering an LED lamp, and the control icon 302 may be used to trigger a luminance signal of the LED lamp, for example, the light-emitting intensity of the LED may be divided into 10 gears, each gear corresponds to a different driving current intensity, and the light-emitting intensity of the LED is controlled by manually adjusting the gear by a user (specifically, the user may click the control icon 302 on the display screen 30, feed information back to the control circuit board, control the current of the LED driving circuit, and finally realize the change of the light-emitting intensity of the LED), so as to realize the adjustment of the LED luminance.

The control method further comprises a step S200 of adjusting the curvature radius of the reflector through the light condensation device, so that the light condensation angle of the LED lamp is adjusted.

In this step, a bar-shaped control icon 301 may be formed on the display screen 30, and the adjustment of different light-gathering angles is realized through different positions of gear or touch.

The control method in the embodiment can realize the adjustment of the luminous intensity and the light condensation angle of the LED, so as to control the searchlighting range and the light brightness of the flashlight; the requirements of different users on different scenes are met, and the user experience is improved.

The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes performed by the present invention through the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A light condensing device for adjusting the light emitting angle of light from a light source, the light condensing device comprising: the device comprises a driving unit, a transmission unit and a reflector; the transmission unit is respectively connected with the driving unit and the reflector, the reflector is made of flexible materials, and the transmission unit can drive the reflector to be bent under the driving of the driving unit, so that the curvature radius of the reflector is changed.

2. The light gathering device as claimed in claim 1, wherein the transmission unit comprises an elastic member and a fixing member, the elastic member is disposed on the fixing member, two ends of the elastic member are respectively connected to the driving unit and the reflector, and the reflector can change a curvature radius under the action of the elastic member.

3. The light gathering device as claimed in claim 2, wherein the fixing member is a fixing rod, the elastic member is a spring, and the spring is sleeved on the fixing rod and can slide along the fixing rod under the driving of the driving unit, so as to apply a pulling force or a pushing force to the reflector.

4. The light condensing device of claim 3, wherein said driving unit comprises a driving motor, a driving screw, and a driving arm; one end of the driving screw rod is connected with the motor, the other end of the driving screw rod is connected with the driving arm, the driving arm is provided with a threaded hole, and the driving screw rod is matched with the threaded hole; the driving arm is connected with the spring; the driving arm is used for driving the spring to move along the length direction of the fixed rod.

5. The light concentrating device of claim 4, wherein the axial direction of the driving screw is parallel to the length direction of the fixing rod.

6. The light condensing device of claim 3, wherein said driving unit comprises a linear motor and a driving arm; the mover of the linear motor is connected with the driving arm, the driving arm is connected with the spring, and the driving arm can move under the driving of the mover of the linear motor so as to drive the spring to move along the length direction of the fixed rod.

7. The light condensing device according to any one of claims 4 to 6, wherein the light condensing device comprises a plurality of said transmission units, and both ends of each of said transmission units are respectively connected to said driving arm and said reflector.

8. An LED lamp assembly, characterized in that the LED lamp assembly comprises an LED lamp and the light-focusing device of any one of claims 1 to 7, the LED lamp is arranged on one side of the concave surface of the light-focusing device reflecting plate, and the light-focusing device adjusts the light-emitting angle of the LED lamp by adjusting the curvature radius of the reflecting plate.

9. An electronic device comprising a display, a housing, a control circuit board, and the LED lamp assembly of claim 8, wherein the LED lamp assembly emits light through the housing; the shell with the display screen cooperation forms accommodation space, control circuit board locates in the accommodation space and with LED banks spare and the display screen electricity is connected.

10. A method for controlling an LED lamp of an electronic device according to claim 9, the method comprising:

receiving a light-gathering angle control signal of the LED lamp;