WO2017041409A1 - 一种电子产品及其logo显示方法、系统 - Google Patents

一种电子产品及其logo显示方法、系统 Download PDF

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Publication number
WO2017041409A1
WO2017041409A1 PCT/CN2016/070271 CN2016070271W WO2017041409A1 WO 2017041409 A1 WO2017041409 A1 WO 2017041409A1 CN 2016070271 W CN2016070271 W CN 2016070271W WO 2017041409 A1 WO2017041409 A1 WO 2017041409A1
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WIPO (PCT)
Prior art keywords
logo
initial value
value
electronic product
module
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Ceased
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PCT/CN2016/070271
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English (en)
French (fr)
Inventor
许锟
陆正华
柳学锋
李钊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Skyworth RGB Electronics Co Ltd
Original Assignee
Shenzhen Skyworth RGB Electronics Co Ltd
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Publication date
Application filed by Shenzhen Skyworth RGB Electronics Co Ltd filed Critical Shenzhen Skyworth RGB Electronics Co Ltd
Priority to US15/328,317 priority Critical patent/US20170206817A1/en
Priority to AU2016294631A priority patent/AU2016294631B2/en
Publication of WO2017041409A1 publication Critical patent/WO2017041409A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
    • G09G3/002—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to project the image of a two-dimensional display, such as an array of light emitting or modulating elements or a CRT
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F21/00—Mobile visual advertising
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
    • G09F27/005—Signs associated with a sensor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3152—Modulator illumination systems for shaping the light beam
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/317—Convergence or focusing systems
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G09F2013/222—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2354/00—Aspects of interface with display user
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2380/00—Specific applications
    • G09G2380/04—Electronic labels

Definitions

  • the invention relates to the field of home appliances, in particular to an electronic product and a LOGO display method and system thereof.
  • LOGO (logo or trademark) is mainly presented by silk screen or inlaid on the casing, which looks like a uniform, no personality, very dull, and can not reflect the high-end atmosphere of the product.
  • LOGO is always displayed after booting, and stops displaying after shutdown. This display mode cannot be changed according to the user's habits. The color and position of the LOGO cannot be adjusted, which makes the advertising effect of LOGO greatly reduced, and the display of LOGO is not conspicuous.
  • an object of the present invention is to provide an electronic product and a LOGO display method and system thereof.
  • the LOGO is projected, and when the human body is away from the electronic product, the LOGO is not displayed. , to play a personalized display, attracting users' attention to LOGO, but also more energy-saving and environmentally friendly.
  • a LOGO display system for electronic products comprising:
  • Infrared emission sensing module for emitting infrared rays and detecting infrared intensity reflected by the human body
  • LOGO projection module for projecting LOGO
  • the processing module is configured to compare the infrared intensity and the threshold value detected by the infrared emission sensing module, and control the LOGO projection module to project the LOGO when the infrared intensity is greater than the threshold.
  • the LOGO projection module includes a casing, and the casing is sequentially provided with an LED light source, a first collecting lens, a film printed with a LOGO, and N lenses.
  • the processing module includes:
  • a sampling unit configured to sample the infrared intensity detected by the infrared emission sensing module every first predetermined time, obtain a sampling value, and continuously sample the first predetermined number of times;
  • a comparison control unit configured to compare the sampled value obtained by sampling the first predetermined number of times with a threshold value, and when the sampled values of the second predetermined number of consecutive samples are greater than the threshold value, controlling the LOGO projection module to project the LOGO; otherwise, detecting the LOGO projection at this time The working state of the module, if the LOGO projection module is projecting the LOGO at this time, the LOGO projection module is controlled to gradually extinguish the LOGO;
  • the first predetermined number of times is greater than or equal to a second predetermined number of times.
  • the processing module further includes an initial value setting unit, wherein the initial value setting unit is configured to acquire 3 ⁇ n sample values by using the sampling unit, and use 3 ⁇ n sample values. Divided into three groups, each taking an average value, and making the three average values two or two. When the difference does not exceed the first predetermined value, the average value of 3 ⁇ n sample values is made.
  • the initial value; the threshold is equal to the sum of the initial value and the threshold.
  • the processing module further includes an initial value adjusting unit, wherein the initial value adjusting unit is configured to obtain an initial value by using the initial value setting unit every second predetermined time, The value is compared with the previous initial value, and the initial value is updated when the difference between the two does not exceed the second predetermined value.
  • a LOGO display method for an electronic product using the LOGO display system of the electronic product comprising the steps of:
  • the infrared emission sensing module emits infrared rays and detects the infrared intensity reflected by the human body;
  • the processing module compares the infrared intensity and the threshold value detected by the infrared emission sensing module, and controls the LOGO projection module to project the LOGO when the infrared intensity is greater than the threshold;
  • the LOGO projection module includes a casing, and the casing is sequentially provided with an LED light source, a film printed with a LOGO, and N lenses.
  • the step B specifically includes:
  • the initial value setting unit acquires 3 ⁇ n sample values through the sampling unit, divides 3 ⁇ n sample values into three groups, respectively takes an average value, and compares the three average values two or two, and the difference does not exceed
  • the first predetermined value the average value of 3 ⁇ n sample values is taken as an initial value
  • the threshold value is equal to the sum of the initial value and the threshold value
  • the sampling unit samples the infrared intensity detected by the infrared emission sensing module every first predetermined time, obtains a sampling value, and continuously samples the first predetermined number of times;
  • the comparison control unit compares the sampled value obtained by sampling the first predetermined number of times with the threshold value, and controls the LOGO projection module to project the LOGO when the sampled values of the second predetermined number of consecutive samples are greater than the threshold value; otherwise, the LOGO projection module is detected at this time.
  • the working state if the LOGO projection module is projecting the LOGO, the LOGO projection module is controlled to gradually extinguish the LOGO;
  • the first predetermined number of times is greater than or equal to a second predetermined number of times.
  • the step B1 further includes: the initial value adjusting unit obtains an initial value by the initial value setting unit every second predetermined time, and compares the initial value with the previous initial value, The initial value is updated when the difference between the two does not exceed the second predetermined value.
  • An electronic product comprising a LOGO display system for an electronic product as described above.
  • the present invention provides an electronic product and a LOGO display method and system thereof, wherein the LOGO display system includes an infrared emission sensing module, a LOGO projection module, and a processing module.
  • Infrared emission sensing module emits infrared rays and detects infrared intensity reflected by the human body; then compares the infrared intensity and the threshold value detected by the infrared emission sensing module through the processing module, and controls the LOGO projection module to project LOGO when the infrared intensity is greater than the threshold;
  • LOGO's personalized display attracts users' attention to LOGO and is more energy-efficient and environmentally friendly than the existing technology that has been displayed at boot.
  • FIG. 1 is a structural block diagram of a LOGO display system for an electronic product provided by the present invention
  • FIG. 2 is a left side view of the infrared radiation sensing module provided by the present invention.
  • FIG. 3 is a front view of an infrared radiation sensing module provided by the present invention.
  • FIG. 4 is a schematic structural diagram of a LOGO projection module provided by the present invention.
  • FIG. 5 is a flow chart of a method for displaying a LOGO of an electronic product according to the present invention.
  • the invention provides an electronic product and a LOGO display method and system thereof.
  • the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • the present invention provides a LOGO display system for an electronic product, including an infrared emission sensing module 10 , a processing module 20 , and a LOGO projection module 30 .
  • the infrared radiation sensing module 10 is configured to emit infrared rays and detect infrared intensity reflected by the human body.
  • the infrared radiation sensing module 10 is preferably an infrared sensor.
  • the LOGO projection module 30 is used to project a LOGO.
  • the LOGO is a logo or a trademark.
  • the processing module 20 is configured to compare the infrared intensity and the threshold value detected by the infrared emission sensing module 10, and control the LOGO projection module 30 to project LOGO when the infrared intensity is greater than the threshold; and detect the LOGO when the infrared intensity is less than the threshold
  • the magnitude of the threshold is preferably the intensity of the infrared light detected by the infrared radiation sensing module 10 when the distance between the human body and the television set is 60 cm.
  • the processing module 20 is preferably an MCU chip, and the MCU chip uses a GPIO module.
  • the pseudo PWM output changes the duty cycle of the LOGO projection module 30 from 100% to 0%, thereby achieving the gradual extinction of the LOGO.
  • the LOGO display system of the electronic product provided by the present invention is applied to an electronic product, and the electronic product includes a television set, a display, a mobile terminal, a tablet computer, various household appliances, a printer, etc.
  • the electronic device The product is a TV set.
  • the infrared radiation sensing module 10 detects that the infrared intensity reflected by the human body is higher than the threshold.
  • the processing module 20 controls the LOGO projection module to project the LOGO; correspondingly, when the user leaves the television, the infrared reflected by the user's body is reduced, and the infrared intensity is lower than the threshold, and the processing module 20 controls the LOGO projection module 30 to gradually extinguish the LOGO.
  • the LOGO displays according to the distance from the user, realizes the personalized display of the LOGO, attracts the user's attention to the LOGO, and is more energy-saving and environmentally friendly than the existing technology that has been displayed at the time of booting.
  • the infrared radiation sensing module 10 includes an infrared sensor chip 110, three infrared light emitting diodes 120, and an infrared receiving diode 130.
  • the three infrared light emitting diodes 120 emit infrared rays, and the infrared rays reflected by the external objects are received by the infrared receiving diodes 130.
  • the infrared sensor chip 110 converts the infrared light received by the infrared receiving diode 130 into a current, and then converts the current into a 16-bit value (maximum 65535) through an integrated ASIC (internal integrated circuit), which represents the infrared intensity.
  • the value is stored in a register.
  • the infrared emission sensing module 10 and the processing module 20 are connected through an I2C bus, and the infrared sensing chip 10 transmits the value in the register to the processing module 20 through the I2C bus.
  • the three infrared light emitting diodes 120 and one infrared receiving diode 130 are disposed on the infrared sensing chip 110.
  • the three infrared light emitting diodes 120 are distributed in the upper left and the left three directions of the infrared receiving diode 130. In this embodiment, three infrared rays are used.
  • the LEDs 120 are distributed on three vertices of an equilateral triangle, and the infrared receiving diode 130 is disposed at the center of the equilateral triangle.
  • the arrangement is such that the total emission range of the three infrared LEDs 120 is the largest (as shown by the solid arrow in FIG. 2). Show).
  • the angle of the receiving range of the infrared receiving diode 130 is 110° (as indicated by the dashed arrow in FIG. 2).
  • the LOGO projection module 30 includes a housing 310, which is a cylindrical housing.
  • the housing 310 is sequentially provided with an LED light source 320, a first collecting lens 330, a film 340 printed with a LOGO, and N lenses 350.
  • one end of the housing 310 is provided with an LED light source 320.
  • a first collecting lens 330 for collecting the light of the LED light source 320 into parallel light and a LOGO printed thereon are sequentially disposed.
  • Film 340 and N lenses 350 that converge through the film 340 into parallel light.
  • the N is a positive integer, and the number of lenses 350 depends on the projection distance. In this embodiment, the N is 4.
  • the LED light source 320 emits light onto the first collecting lens 330.
  • the light is refracted by the first collecting lens 330 and then irradiated onto the film 340 printed with the LOGO, and then passes through the four lenses 350 in sequence, and finally the LOGO is projected onto the ground.
  • Desktop, wall, etc. where you want to project.
  • the LOGO projection module 30 further includes a mirror (not shown) that can adjust the reflective direction, and the mirror is disposed at the other end of the housing 310 (the end projected by the LOGO) for adjustment
  • the reflective direction of the mirror, the LOGO projection It is very practical and convenient to the place where you want to project, and further realizes personalized display.
  • the LOGO display system of the electronic product breaks the conventional thinking that the LOGO needs to be printed on the machine shell by silk screen or mosaic engraving, the installation method is simple, the LOGO brightness is high, and the display is clear.
  • the infrared sensor receives the infrared light reflected from the external object (including the human body)
  • the LOGO can be projected on the desktop.
  • the external object leaves, the LOGO projected onto the desktop will gradually darken until it disappears, giving people a dynamic.
  • the feeling of the product has greatly enhanced the technological sense and mystery of the product, making the display of LOGO attractive.
  • the processing module 20 includes a sampling unit 210 , a comparison control unit 220 , an initial value setting unit 230 , and an initial value adjusting unit 240 .
  • the sampling unit 210 is configured to sample the infrared intensity detected by the infrared emission sensing module 10 every first predetermined time, obtain a sampling value, and continuously sample the first predetermined number of times.
  • the first predetermined time may be set as needed. In this embodiment, the first predetermined time is 4 ms.
  • the first predetermined number of times may be set as needed. In this embodiment, the first predetermined number of times is 16 times. The shorter the first predetermined time, the more the first predetermined number of times, the more accurate the infrared intensity sampled by the sampling unit 210.
  • the sampling unit 210 samples the value of the register in the infrared sensor chip 110 every 4 ms, and samples 16 times.
  • the comparison control unit 220 is configured to compare the sampled value obtained by sampling the first predetermined number of times with the threshold value, and when the sample values of the second predetermined number of consecutive samples are greater than the threshold value, the LOGO projection module 30 is controlled to project LOGO; otherwise, the detection is performed.
  • the comparison control unit 220 compares the size of the 16 sample values with the threshold. Among the 16 sample values, if the values obtained by sampling 10 consecutive times are larger than the threshold, indicating that the infrared intensity is large and stable, then The comparison control unit 220 controls the LOGO projection module 30 to project the LOGO. Among the 16 sample values, if there is no continuous sampling for 10 times, the value is larger than the threshold, indicating that the infrared is strong and weak, unstable, and the user is not close to or has been away from the television, so the comparison control unit 220 is based on The working state of the LOGO projection module 30 makes the next action. When the LOGO is projected, the LOGO projection module 30 is controlled to gradually extinguish the LOGO; when the LOGO is not projected, the closed state of the LOGO projection module 30 is maintained.
  • the first predetermined number of times is greater than or equal to a second predetermined number of times.
  • the second predetermined number of times can be set as needed, and the larger the more the external interference can be excluded, preferably, the second predetermined number of times is 10 times.
  • the comparison control unit 220 eliminates the external interference of the infrared intensity detection by the second predetermined number of screenings, and ensures the accuracy of the approach and departure detection of the object.
  • the initial value setting unit 230 is configured to acquire 3 ⁇ n sample values by the sampling unit 210, divide the 3 ⁇ n sample values into three groups, respectively take an average value, and compare the three average values by two. When the difference does not exceed the first predetermined value, the average value of the 3 ⁇ n sample values is taken as the initial value; the threshold is equal to the sum of the initial value and the threshold.
  • the average of the three groups (the average of A, B, and C) was taken as the initial value. Setting the initial value can eliminate some external infrared interference.
  • the threshold is set to distinguish the proximity of other people, that is, the threshold can be set lower than the infrared intensity increased by the proximity of the human body, which is convenient for detecting the approach of the human body.
  • the initial value adjusting unit 240 is configured to obtain an initial value by the initial value setting unit 230 every second predetermined time, and compare the initial value with the previous initial value, where the difference does not exceed the second predetermined value.
  • the initial value is updated. Specifically, the initial value is updated every second predetermined time. If the working state of the LOGO projection module 30 changes just after the second predetermined time, the initial value is not updated; if the interval is after the second predetermined time, the LOGO projection If the working state of the module 30 is unchanged, an initial value is obtained by the initial value setting unit 230 every second predetermined time, and the initial value is compared with the previous initial value, when the difference between the two does not exceed the second predetermined value. , will update the initial value.
  • the second predetermined time is 1 minute and the second predetermined value is 30.
  • the initial value reflects the infrared intensity detected by the infrared radiation sensing module 10 when no object is approaching. Due to changes in the external environment, no objects are close to the TV set, and the infrared rays near the TV set may change.
  • the initial value adjustment complies with this change, causing the threshold value to float, eliminating the influence of the external environment on the proximity detection of the human body, and improving The accuracy of the LOGO projection on and off.
  • the LOGO display system of the electronic product provided by the present invention has a wide application range and can be used for all household electronic products that need to display LOGO, and the infrared near-human body induction, film, and LOGO display are skillfully combined. Therefore, when a person enters the TV within a certain distance, the LOGO is projected to the desktop, walks away from 60cm, and the LOGO is gradually extinguished.
  • the installation method of the solution is simple, the LOGO projection position or even the projected color can be selected by itself, and the display of the LOGO is clear and bright.
  • the sensing range is relatively large, and the technological sense of the product is improved, which is conducive to improving the high-end image of the product and indirectly improving the corporate image.
  • the present invention further provides a LOGO display method for an electronic product using the LOGO display system, which comprises the steps of:
  • the infrared emission sensing module emits infrared rays and detects the infrared intensity reflected by the human body.
  • the processing module compares the infrared intensity and the threshold value detected by the infrared emission sensing module, and controls the LOGO projection module to project the LOGO when the infrared intensity is greater than the threshold.
  • the LOGO projection module includes a housing in which an LED light source, a film printed with a LOGO, and N lenses are sequentially disposed.
  • the step S20 specifically includes:
  • the initial value setting unit acquires 3 ⁇ n sample values through the sampling unit, divides 3 ⁇ n sample values into three groups, respectively takes an average value, and compares the three average values by two, in the difference.
  • the average value of 3 ⁇ n sample values is taken as an initial value; the threshold value is equal to the sum of the initial value and the threshold.
  • the sampling unit samples the infrared intensity detected by the infrared emission sensing module every first predetermined time, obtains a sampling value, and continuously samples the first predetermined number of times;
  • the comparison control unit compares the sampled value obtained by sampling the first predetermined number of times with the threshold value, and controls the LOGO projection module to project the LOGO when the sampled values of the second predetermined number of consecutive samples are greater than the threshold value; otherwise, detecting the LOGO projection module at this time The working state, if the LOGO projection module is projecting the LOGO, the LOGO projection module is controlled to gradually extinguish the LOGO;
  • the first predetermined number of times is greater than or equal to a second predetermined number of times.
  • the step S210 further includes: the initial value adjusting unit obtains an initial value by the initial value setting unit every second predetermined time, and compares the initial value with the previous initial value, where the difference does not exceed the second predetermined value. When the initial value is updated.
  • the present invention also provides an electronic product comprising the LOGO display system of the electronic product as described above.
  • the electronic product is a television set. Since the features and principles of the electronic product have been elaborated in the foregoing embodiments, they are not described herein again.

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Abstract

一种电子产品及其LOGO显示方法、系统，其中，所述LOGO显示系统包括红外发射感应模块（10）、LOGO投影模块（30）和处理模块（20）。通过红外发射感应模块（10）发射红外线并检测人体反射的红外线强度；然后通过处理模块（20）比较红外发射感应模块（10）检测到的红外线强度与阈值的大小，在红外线强度大于阈值时，控制LOGO投影模块（30）投影LOGO；实现了LOGO的个性化显示，吸引了用户对LOGO的注意力，比开机一直显示的现有技术更加节能环保。

Description

一种电子产品及其LOGO显示方法、系统 技术领域
本发明涉及家电领域，特别涉及一种电子产品及其LOGO显示方法、系统。
背景技术
当下，电子行业产品LOGO(徽标或者商标)的呈现方式主要通过丝印或者镶嵌雕刻在机壳上的，看上去千篇一律，毫无个性，非常呆板，体现不出产品的高端大气。LOGO在开机后一直显示，在关机后停止显示，这种显示方式无法根据用户的习惯进行改变，LOGO的颜色、位置等也无法调节，使得LOGO的广告效应大打折扣，LOGO的显示并不醒目。
因此，现有的电子产品特别是电视机上的LOGO显示并不醒目，显示技术还有待改进和提高。
发明内容
鉴于上述现有技术的不足之处，本发明的目的在于提供一种电子产品及其LOGO显示方法、系统，在人体接近电子产品时，将LOGO投影出来，在人体远离电子产品时，不显示LOGO，起到了个性化的显示，吸引了用户对LOGO的注意力，也更加节能环保。
为了达到上述目的，本发明采取了以下技术方案：
一种电子产品的LOGO显示系统，包括：
红外发射感应模块，用于发射红外线并检测人体反射的红外线强度；
LOGO投影模块，用于投影LOGO；
处理模块，用于比较红外发射感应模块检测到的红外线强度与阈值的大小，在红外线强度大于阈值时，控制LOGO投影模块投影LOGO。
所述的电子产品的LOGO显示系统中，所述LOGO投影模块包括壳体，所述壳体内依次设置有LED光源、第一聚光透镜、印有LOGO的菲林和N个透镜。
所述的电子产品的LOGO显示系统中，所述处理模块包括：
采样单元，用于每隔第一预定时间采样红外发射感应模块检测的红外线强度，得到采样值，并连续采样第一预定次数；
比较控制单元，用于比较第一预定次数采样得到的采样值与阈值的大小，当连续第二预定次数采样的采样值均大于阈值时，控制LOGO投影模块投影LOGO；否则，检测此时LOGO投影模块的工作状态，若此时LOGO投影模块在投影LOGO，则控制LOGO投影模块使LOGO逐渐熄灭；
所述第一预定次数大于等于第二预定次数。
所述的电子产品的LOGO显示系统中，所述处理模块还包括初值设定单元，所述初值设定单元用于通过采样单元获取3×n个采样值，将3×n个采样值分成三组，分别取平均值，将三个平均值两两做差，在差值均不超过第一预定值时，将3×n个采样值的平均值作 为初值；所述阈值等于所述初值与阀值之和。
所述的电子产品的LOGO显示系统中，所述处理模块还包括初值调整单元，所述初值调整单元用于每隔第二预定时间通过初值设定单元得到一个初值，将该初值与上一初值比较，在两者差值不超过第二预定值时，将初值更新。
一种采用所述电子产品的LOGO显示系统的电子产品的LOGO显示方法，包括步骤：
A、红外发射感应模块发射红外线并检测人体反射的红外线强度；
B、处理模块比较红外发射感应模块检测到的红外线强度与阈值的大小，在红外线强度大于阈值时，控制LOGO投影模块投影LOGO；
C、LOGO投影模块投影LOGO。
所述的电子产品的LOGO显示方法中，所述LOGO投影模块包括壳体，所述壳体内依次设置有LED光源、印有LOGO的菲林和N个透镜。
所述的电子产品的LOGO显示方法中，所述步骤B具体包括：
B1、初值设定单元通过采样单元获取3×n个采样值，将3×n个采样值分成三组，分别取平均值，将三个平均值两两做差，在差值均不超过第一预定值时，将3×n个采样值的平均值作为初值；所述阈值等于所述初值与阀值之和；
B2、采样单元每隔第一预定时间采样红外发射感应模块检测的红外线强度，得到采样值，并连续采样第一预定次数；
B3、比较控制单元比较第一预定次数采样得到的采样值与阈值的大小，当连续第二预定次数采样的采样值均大于阈值时，控制LOGO投影模块投影LOGO；否则，检测此时LOGO投影模块的工作状态，若此时LOGO投影模块在投影LOGO，则控制LOGO投影模块使LOGO逐渐熄灭；
所述第一预定次数大于等于第二预定次数。
所述的电子产品的LOGO显示方法中，所述步骤B1还包括：初值调整单元每隔第二预定时间通过初值设定单元得到一个初值，将该初值与上一初值比较，在两者差值不超过第二预定值时，将初值更新。
一种电子产品，包括如上所述的电子产品的LOGO显示系统。
相较于现有技术，本发明提供的电子产品及其LOGO显示方法、系统，其中，所述LOGO显示系统包括红外发射感应模块、LOGO投影模块和处理模块。通过红外发射感应模块发射红外线并检测人体反射的红外线强度；然后通过处理模块比较红外发射感应模块检测到的红外线强度与阈值的大小，在红外线强度大于阈值时，控制LOGO投影模块投影LOGO；实现了LOGO的个性化显示，吸引了用户对LOGO的注意力，比开机一直显示的现有技术更加节能环保。
附图说明
图1为本发明提供的电子产品的LOGO显示系统的结构框图；
图2为本发明提供的红外发射感应模块的左视图；
图3为本发明提供的红外发射感应模块的正视图；
图4为本发明提供的LOGO投影模块的结构示意图；
图5为本发明提供的电子产品的LOGO显示方法的方法流程图。
具体实施方式
本发明提供一种电子产品及其LOGO显示方法、系统。为使本发明的目的、技术方案及效果更加清楚、明确，以下参照附图并举实施例对本发明进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
请参阅图1，本发明提供一种电子产品的LOGO显示系统，包括红外发射感应模块10、处理模块20和LOGO投影模块30。
所述红外发射感应模块10，用于发射红外线并检测人体反射的红外线强度。所述红外发射感应模块10优选为红外线传感器。
所述LOGO投影模块30，用于投影LOGO。所述LOGO为徽标或者商标。
所述处理模块20，用于比较红外发射感应模块10检测到的红外线强度与阈值的大小，在红外线强度大于阈值时，控制LOGO投影模块30投影LOGO；在红外线强度小于阈值时，检测此时LOGO投影模块30的工作状态，若此时LOGO投影模块30在工作(处于开启状态)，则控制LOGO投影模块30使LOGO逐渐熄灭，若此时LOGO投影模块30已停止工作(处于关闭状态)，则使LOGO投影模块维持当前的工作状态。
所述阈值的大小，优选为人体与电视机距离60cm时，红外发射感应模块10检测到的红外线强度。
所述处理模块20优选为MCU芯片，所述MCU芯片用GPIO模 拟PWM输出，使LOGO投影模块30的占空比从100％到0％变化，从而实现LOGO的逐渐熄灭。
本发明提供的电子产品的LOGO显示系统，应用在电子产品上，所述电子产品包括电视机、显示器、移动终端、平板电脑、各类家用电器、打印机等等，本实施例中，所述电子产品为电视机。在用户走进包含所述LOGO显示系统的电视机时，由于用户将红外发射感应模块10发射的红外线大部分大部分反射回去，故红外发射感应模块10检测到人体反射的红外线强度高于阈值，处理模块20控制LOGO投影模块投影LOGO；相应的，用户离开电视机时，用户身体反射的红外线减少，红外线强度低于阈值，处理模块20控制LOGO投影模块30使LOGO逐渐熄灭。这样，LOGO根据与用户的距离进行显示，实现了LOGO的个性化显示，吸引了用户对LOGO的注意力，比开机一直显示的现有技术更加节能环保。
请一并参阅图2和图3，所述红外发射感应模块10包括红外感应芯片(sensor)110、三个红外发光二极管120和一个红外接收二极管130。三个红外发光二极管120发射红外线，被外界物体反射回来的红外线被红外接收二极管130接收。红外感应芯片(sensor)110将红外接收二极管130接收到的红外线转换为电流，然后通过内部集成的ASIC(专用集成电路)将电流转换为16bit的数值(最大为65535)，将该代表红外线强度的数值存储在寄存器中。所述红外发射感应模块10与处理模块20通过I2C总线连接，所述红外感应芯片10将寄存器中的数值通过I2C总线传输给处理模块20。
三个红外发光二极管120和一个红外接收二极管130均设置在所述红外感应芯片110上，三个红外发光二极管120分布在红外接收二极管130的上下左三个方向，本实施例中，三个红外发光二极管120分布在一个等边三角形的三个顶点上，红外接收二极管130设置在这个等边三角形的中心，这样设置使得三个红外发光二极管120总的发射范围最大(如图2实线箭头所示)。红外接收二极管130的接收范围的夹角为110°(如图2虚线箭头所示)。
请参阅图4，所述LOGO投影模块30包括壳体310，所述壳体310为圆筒状壳体。所述壳体310内依次设置有LED光源320、第一聚光透镜330、印有LOGO的菲林340和N个透镜350。换而言之，所述壳体310的一端设置有LED光源320，在LED光源320的光路上依次设置有将LED光源320的光汇聚成平行光的第一聚光透镜330、印有LOGO的菲林340和N个将透过菲林340的光汇聚成平行光的透镜350。所述N为正整数，透镜350的数量根据投射距离而定。本实施例中，所述N为4。
LED光源320发光照射到第一聚光透镜330上，,光线通过第一聚光透镜330折射后照射到印有LOGO的菲林340上，再依次经过4个透镜350，最后将LOGO投射到地面、桌面、墙上等想要投射的地方。
进一步的，所述LOGO投影模块30还包括可调整反光方向的反射镜(图中未示出)，所述反射镜设置在壳体310的另一端(LOGO投射出来的一端)，用于可以调节反射镜的反光方向，将LOGO投影 到想要投影的地方，非常实用和便捷，进一步实现了个性化显示。
由此可知，本发明提供的电子产品的LOGO显示系统，打破了以往需要把LOGO通过丝印或者镶嵌雕刻等方式印在机器面壳上的常规思维，安装方式简单，LOGO亮度高，显示清晰，这种方式只要红外感应头接收到外界物体(含人体)反射回来的红外光，就可以把LOGO投射在桌面，当外界物体离开，投射到桌面的LOGO会渐渐暗下，直到消失，给人们一种动态的感觉，大大提升了产品的科技感、神秘感，使LOGO的显示具有吸引力。
请继续参阅图1，所述处理模块20包括采样单元210、比较控制单元220、初值设定单元230和初值调整单元240。
所述采样单元210，用于每隔第一预定时间采样红外发射感应模块10检测的红外线强度，得到采样值，并连续采样第一预定次数。所述第一预定时间可根据需要进行设定，本实施例中，所述第一预定时间为4ms。所述第一预定次数可根据需要进行设定，本实施例中，所述第一预定次数为16次。所述第一预定时间越短、第一预定次数越多，采样单元210采样的红外线强度越准确。具体的，所述采样单元210每隔4ms对红外感应芯片110中的寄存器的值进行采样，采样16次。
所述比较控制单元220，用于比较第一预定次数采样得到的采样值与阈值的大小，当连续第二预定次数采样的采样值均大于阈值时，控制LOGO投影模块30投影LOGO；否则，检测此时LOGO投影模块30的工作状态，若此时LOGO投影模块30在投影LOGO(处于 工作状态)，则控制LOGO投影模块使LOGO逐渐熄灭；若此时LOGO投影模块30已停止投影LOGO(处于关闭状态)，则使LOGO投影模块30维持当前的工作状态。
换而言之，所述比较控制单元220比较16个采样值与阈值的大小，在这16个采样值中，若连续10次采样得到的值都比阈值大，说明红外线强度大而且稳定，则比较控制单元220控制LOGO投影模块30投影LOGO。在这16个采样值中，若不存在连续10次采样得到的值都比阈值大，则说明红外线时强时弱，不稳定，用户并未接近或者已经远离电视机，故比较控制单元220根据LOGO投影模块30的工作状态做做出下一步动作，在LOGO被投影出来时，控制LOGO投影模块30使LOGO逐渐熄灭；在LOGO没有被投影时，维持LOGO投影模块30的关闭状态。
所述第一预定次数大于等于第二预定次数。所述第二预定次数可根据需要进行设定，越大越能排除外界的干扰，优选的，所述第二预定次数为10次。
由此可知，比较控制单元220通过第二预定次数的筛选，排除了外界对红外线强度检测的干扰，确保了对物体接近和离开检测的准确性。
所述初值设定单元230，用于通过采样单元210获取3×n个采样值，将3×n个采样值分成三组，分别取平均值，将三个平均值两两做差，在差值均不超过第一预定值时，将3×n个采样值的平均值作为初值；所述阈值等于所述初值与阀值之和。所述n根据需要进行设定，为正 整数，优选的，所述n＝16。换而言之，所述初值设定单元230，连续读取48次寄存器的值，将值分为三组，分别取平均值(A、B和C)，两两做差，满足差值不超过5，即
Figure PCTCN2016070271-appb-000001
Figure PCTCN2016070271-appb-000002
便取这三组的平均值(A、B和C的平均值)作为初值。设置初值，可以排除一些外界红外线的干扰。阀值的设定，则是为了能辨别人体的接近，即，阀值可以设置得比因人体接近而增加的红外线强度低一点，便于检测人体的接近。
所述初值调整单元240，用于每隔第二预定时间通过初值设定单元230得到一个初值，将该初值与上一初值比较，在两者差值不超过第二预定值时，将初值更新。具体的，用于每过第二预定时间更新一次初值，若刚好到第二预定时间时，LOGO投影模块30的工作状态改变，则不更新初值；若间隔第二预定时间后，LOGO投影模块30的工作状态无改变，则每隔第二预定时间通过初值设定单元230得到一个初值，将该初值与上一初值比较，在两者差值不超过第二预定值时，将初值更新。优选的，所述第二预定时间为1分钟，所述第二预定值为30。
由此可知，初值反应的是没有物体接近时，红外发射感应模块10检测到的红外线强度。由于外界环境的变化，没有物体接近电视机，电视机附近的红外线也有可能变化，而初值的调整符合了这一变化，使得阈值的大小浮动，消除了外界环境对人体靠近检测的影响，提高了LOGO投影开启和关闭的准确性。
综上所述，本发明提供的电子产品的LOGO显示系统，适用范围比较广泛，可用于所有需要显示LOGO的家用电子产品,，把红外近人体感应、菲林、LOGO的显示三者巧妙结合在一起，从而实现在当人走进电视一定的距离内LOGO投射到桌面、从60cm走开，LOGO渐渐熄灭，本方案安装方式简单，LOGO投射位置甚至是投射的颜色可以自己选择，LOGO的显示清晰明亮，在有效地感应距离内感应范围比较大，产品的科技感得到了提升，有利于提高产品的高端形象，间接提高企业形象。
基于上一实施例提供的电子产品的LOGO显示系统，本发明还提供一种采用所述LOGO显示系统的电子产品的LOGO显示方法，其特征在于，包括步骤：
S10、红外发射感应模块发射红外线并检测人体反射的红外线强度。
S20、处理模块比较红外发射感应模块检测到的红外线强度与阈值的大小，在红外线强度大于阈值时，控制LOGO投影模块投影LOGO。
S30、LOGO投影模块投影LOGO。
所述LOGO投影模块包括壳体，所述壳体内依次设置有LED光源、印有LOGO的菲林和N个透镜。
所述步骤S20具体包括：
S210、初值设定单元通过采样单元获取3×n个采样值，将3×n个采样值分成三组，分别取平均值，将三个平均值两两做差，在差值 均不超过第一预定值时，将3×n个采样值的平均值作为初值；所述阈值等于所述初值与阀值之和。
S220、采样单元每隔第一预定时间采样红外发射感应模块检测的红外线强度，得到采样值，并连续采样第一预定次数；
S230、比较控制单元比较第一预定次数采样得到的采样值与阈值的大小，当连续第二预定次数采样的采样值均大于阈值时，控制LOGO投影模块投影LOGO；否则，检测此时LOGO投影模块的工作状态，若此时LOGO投影模块在投影LOGO，则控制LOGO投影模块使LOGO逐渐熄灭；
所述第一预定次数大于等于第二预定次数。
所述步骤S210还包括：初值调整单元每隔第二预定时间通过初值设定单元得到一个初值，将该初值与上一初值比较，在两者差值不超过第二预定值时，将初值更新。
由于所述电子产品的LOGO显示方法的特征和原理在上一实施例中已详细阐述，在此不再赘述。
本发明还提供一种电子产品，包括如上所述的电子产品的LOGO显示系统。优选的，所述电子产品为电视机。由于所述电子产品的特征和原理在前面的实施例中已详细阐述，在此不再赘述。
可以理解的是，对本领域普通技术人员来说，可以根据本发明的技术方案及其发明构思加以等同替换或改变，而所有这些改变或替换都应属于本发明所附的权利要求的保护范围。

Claims (14)

  1. 一种电子产品的LOGO显示系统，其特征在于，包括：
    红外发射感应模块，用于发射红外线并检测人体反射的红外线强度；
    LOGO投影模块，用于投影LOGO；
    处理模块，用于比较红外发射感应模块检测到的红外线强度与阈值的大小，在红外线强度大于阈值时，控制LOGO投影模块投影LOGO。
  2. 根据权利要求1所述的电子产品的LOGO显示系统，其特征在于，所述LOGO投影模块包括壳体，所述壳体内依次设置有LED光源、第一聚光透镜、印有LOGO的菲林和N个透镜。
  3. 根据权利要求2所述的电子产品的LOGO显示系统，其特征在于，所述处理模块包括：
    采样单元，用于每隔第一预定时间采样红外发射感应模块检测的红外线强度，得到采样值，并连续采样第一预定次数；
    比较控制单元，用于比较第一预定次数采样得到的采样值与阈值的大小，当连续第二预定次数采样的采样值均大于阈值时，控制LOGO投影模块投影LOGO；否则，检测此时LOGO投影模块的工作状态，若此时LOGO投影模块在投影LOGO，则控制LOGO投影模块使LOGO逐渐熄灭；
    所述第一预定次数大于等于第二预定次数。
  4. 根据权利要求3所述的电子产品的LOGO显示系统，其特征在于，所述处理模块还包括初值设定单元，所述初值设定单元用于通过采样单元获取3×n个采样值，将3×n个采样值分成三组，分别取平均值，将三个平均值两两做差，在差值均不超过第一预定值时，将3×n个采样值的平均值作为初值；所述阈值等于所述初值与阀值之和。
  5. 根据权利要求4所述的电子产品的LOGO显示系统，其特征在于，所述处理模块还包括初值调整单元，所述初值调整单元用于每隔第二预定时间通过初值设定单元得到一个初值，将该初值与上一初值比较，在两者差值不超过第二预定值时，将初值更新。
  6. 一种采用所述电子产品的LOGO显示系统的电子产品的LOGO显示方法，其特征在于，包括步骤：
    A、红外发射感应模块发射红外线并检测人体反射的红外线强度；
    B、处理模块比较红外发射感应模块检测到的红外线强度与阈值的大小，在红外线强度大于阈值时，控制LOGO投影模块投影LOGO；
    C、LOGO投影模块投影LOGO。
  7. 根据权利要求6所述的电子产品的LOGO显示方法，其特征在于，所述LOGO投影模块包括壳体，所述壳体内依次设置有LED光源、印有LOGO的菲林和N个透镜。
  8. 根据权利要求7所述的电子产品的LOGO显示方法，其特征在于，所述步骤B具体包括：
    B1、初值设定单元通过采样单元获取3×n个采样值，将3×n个采样值分成三组，分别取平均值，将三个平均值两两做差，在差值均不超过第一预定值时，将3×n个采样值的平均值作为初值；所述阈值等于所述初值与阀值之和；
    B2、采样单元每隔第一预定时间采样红外发射感应模块检测的红外线强度，得到采样值，并连续采样第一预定次数；
    B3、比较控制单元比较第一预定次数采样得到的采样值与阈值的大小，当连续第二预定次数采样的采样值均大于阈值时，控制LOGO投影模块投影LOGO；否则，检测此时LOGO投影模块的工作状态，若此时LOGO投影模块在投影LOGO，则控制LOGO投影模块使LOGO逐渐熄灭；
    所述第一预定次数大于等于第二预定次数。
  9. 根据权利要求8所述的电子产品的LOGO显示方法，其特征在于，所述步骤B1还包括：初值调整单元每隔第二预定时间通过初值设定单元得到一个初值，将该初值与上一初值比较，在两者差值不超过第二预定值时，将初值更新。
  10. 一种电子产品，其特征在于，包括如权利要求1所述的电子产品的LOGO显示系统，所述电子产品的LOGO显示系统包括：
    红外发射感应模块，用于发射红外线并检测人体反射的红外线强度；
    LOGO投影模块，用于投影LOGO；
    处理模块，用于比较红外发射感应模块检测到的红外线强度与阈值的大小，在红外线强度大于阈值时，控制LOGO投影模块投影LOGO。
  11. 根据权利要求10所述的电子产品，其特征在于，所述LOGO投影模块包括壳体，所述壳体内依次设置有LED光源、第一聚光透镜、印有LOGO的菲林和N个透镜。
  12. 根据权利要求10所述的电子产品，特征在于，所述处理模块包括：
    采样单元，用于每隔第一预定时间采样红外发射感应模块检测的红外线强度，得到采样值，并连续采样第一预定次数；
    比较控制单元，用于比较第一预定次数采样得到的采样值与阈值的大小，当连续第二预定次数采样的采样值均大于阈值时，控制LOGO投影模块投影LOGO；否则，检测此时LOGO投影模块的工作状态，若此时LOGO投影模块在投影LOGO，则控制LOGO投影模块使LOGO逐渐熄灭；
    所述第一预定次数大于等于第二预定次数。
  13. 根据权利要求10所述的电子产品，特征在于，所述处理模块还包括初值设定单元，所述初值设定单元用于通过采样单元获取3×n个采样值，将3×n个采样值分成三组，分别取平均值，将三个平均值两两做差，在差值均不超过第一预定值时，将3×n个采样值 的平均值作为初值；所述阈值等于所述初值与阀值之和。
  14. 根据权利要求10所述的电子产品，特征在于，所述处理模块还包括初值调整单元，所述初值调整单元用于每隔第二预定时间通过初值设定单元得到一个初值，将该初值与上一初值比较，在两者差值不超过第二预定值时，将初值更新。
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