CN105207685B - Beacon light device and its control method - Google Patents
Beacon light device and its control method Download PDFInfo
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- CN105207685B CN105207685B CN201410239810.2A CN201410239810A CN105207685B CN 105207685 B CN105207685 B CN 105207685B CN 201410239810 A CN201410239810 A CN 201410239810A CN 105207685 B CN105207685 B CN 105207685B
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Abstract
A kind of beacon light device and its control method.The beacon light device includes：One antenna, a low-power radio frequency device, an optical sensor, a microprocessor, and a battery.The low-power radio frequency device produces a radiofrequency signal, and the wherein radiofrequency signal is launched via the antenna.Light intensity near optical sensor detection, and produce a detection signal.The microprocessor controls the operator scheme of the low-power radio frequency device according to the detection signal.The battery supplies electrical power to the low-power radio frequency device, the optical sensor, and the microprocessor.
Description
Technical field
The present invention relates to the beacon light dress of a kind of beacon light device (Beacon Device), more particularly to cpable of lowering power consumption
Put.
Background technology
With the prosperity of mobile communication technology, mobile device is more prevalent in recent years, it is common for example：Portable calculating
Machine, mobile phone, the portable electronic apparatus of multimedia player and other mixed functions.In order to meet the needs of people,
Mobile device usually has the function of wireless communication.Some cover the range for wireless communication of long range, such as：Mobile phone uses
2G, 3G, LTE (Long Term Evolution) system and its used 700MHz, 850MHz, 900MHz, 1800MHz,
The frequency band of 1900MHz, 2100MHz, 2300MHz and 2500MHz communicate, and some then cover short-range wireless communication
Scope, such as：Wi-Fi systems are communicated using the frequency band of 2.4GHz, 5.2GHz and 5.8GHz.However, in communication process,
Mobile device in itself and with the device of its line usually all can a large amount of consumption electric powers, in view of this, how to design a kind of brand-new save
Electric installation is to extend the usage time of total system, it has also become a major challenge of designer now.
The content of the invention
The present invention provides a kind of beacon light device, including：One antenna；One low-power radio frequency device, produces a radiofrequency signal, its
In the radiofrequency signal launch via the antenna；One optical sensor, detects neighbouring light intensity, and produces a detection letter
Number；One microprocessor, according to the detection signal, controls the operator scheme of the low-power radio frequency device；An and battery, there is provided electricity
Power is to the low-power radio frequency device, the optical sensor, and the microprocessor.
In addition, the present invention provides a kind of control method of beacon light device, comprise the following steps：By an optical sensor, inspection
Light intensity near surveying, and produce a detection signal；By a microprocessor, a low-power is controlled according to the detection signal
The operator scheme of radio-frequency unit；By the low-power radio frequency device, a radiofrequency signal is produced；And by an antenna, this is penetrated
Frequency signal is launched；The wherein optical sensor, the microprocessor, and the low-power radio frequency device are all supplied by a battery
Electric power.
Brief description of the drawings
Fig. 1 is the schematic diagram for showing the beacon light device described in an embodiment according to the present invention；
Fig. 2 is the signal waveforms for showing the radiofrequency signal described in an embodiment according to the present invention；
Fig. 3 is the operational flowchart for showing the beacon light device described in an embodiment according to the present invention；
Fig. 4 is the operational flowchart for showing the beacon light device described in an embodiment according to the present invention；
Fig. 5 is the operational flowchart for showing the beacon light device described in an embodiment according to the present invention；
Fig. 6 is to show that the radio-frequency power described in an embodiment is to the graph of a relation of light intensity according to the present invention；
Fig. 7 is to show that the radio-frequency power described in an embodiment is to the graph of a relation of light intensity according to the present invention；And
Fig. 8 is the flow chart for showing the control method of the beacon light device described in an embodiment according to the present invention.
【Symbol description】
100~beacon light device；
110~antenna；
120~low-power radio frequency device；
130~optical sensor；
140~microprocessor；
150~battery；
S1~radiofrequency signal；
S2~detection signal；
T1~broadcast cycle；
T2, T3~sleep cycle (signal generation spacing).
Embodiment
For objects, features and advantages of the present invention can be become apparent, it is cited below particularly go out the present invention specific embodiment,
And coordinate attached drawing, it is described in detail below.
Fig. 1 is the schematic diagram for showing the beacon light device described in an embodiment (Beacon Device) 100 according to the present invention.
Beacon light device 100 can have the function of short-distance wireless communication, and can with neighbouring mobile device (such as：Smart mobile phone, meter
Calculation machine, or notebook computer) make wireless connection.As shown in Figure 1, beacon light device 100 includes：One antenna (Antenna)
110th, a low-power radio frequency device (Low-power Radio Frequency Device) 120, one optical sensor (Light
Sensor) 130, one microprocessor (Microprocessor) 140, and a battery (Battery) 150.Battery 150 can provide
Electric power to low-power radio frequency device 120, optical sensor 130, microprocessor 140, and beacon light device 100 other elements (not
Display).In order to reduce the overall volume of beacon light device 100, battery 150 usually can be a button cell or dry cell.Light
Sensor 130 can be a photodiode (Photodiode) or a photo resistance (Photoresistor).Optical sensor
130 can detect neighbouring light intensity, and produce a detection signal S2.Microprocessor 140 can be controlled according to detection signal S2
The operator scheme of low-power radio frequency device 120.Low-power radio frequency device 120 can have multiple modes of operation, and selective real estate
A raw RF signal S 1, wherein RF signal S 1 can launch via antenna 110 again.Antenna 110 can be any kind, example
Such as：One unipole antenna (Monopole Antenna), a dipole antenna (Dipole Antenna), a patch antenna (Patch
Antenna), a planar inverted F-antenna (Planar Inverted F Antenna, PIFA), a loop antenna (Loop
), or an antenna component (Chip Antenna) Antenna.In certain embodiments, RF signal S 1 is a bluetooth
(Bluetooth) signal, and low-power radio frequency device 120 can support Bluetooth4.0 specifications and have One-to-All Broadcast
The function of (Unidirectional Broadcast).In other words, low-power radio frequency device 120 only can outwards be believed broadcast radio frequency
Number S1, but the radiofrequency signal from other devices can not be received.Since the operator scheme of low-power radio frequency device 120 can be according to attached
Near light intensity is suitably adjusted, and the present invention can thereby optimize the output power of beacon light device 100, and effectively prolong
The usage time of long battery 150.The thin portion mode of operation of the present invention will explain in the examples below that.It is to be understood that
These embodiments are only for example, but it is not intended to the limitation present invention.
Fig. 2 is the signal waveforms for showing the RF signal S 1 described in an embodiment according to the present invention.In the embodiment of Fig. 2
In, low-power radio frequency device 120 is at least selectively operative in an operating mode (Work Mode) or an idle mode
(Idle Mode).In operating mode, the intermittently broadcast radio frequency signals S1 of low-power radio frequency device 120.More specifically, it is low
The operating mode of power RF device 120 includes alternate broadcast cycle T1 and sleep cycle T2.During each broadcast cycle T1,
Low-power radio frequency device 120 outwards launches RF signal S 1 with a radio-frequency power, and during each sleep cycle T2, low-power is penetrated
Frequency device 120 then stops launching RF signal S 1.The length of sleep cycle T2 is typically much deeper than the length of broadcast cycle T1.It is another
Aspect, in idle mode, the then completely not broadcast radio frequency signals S1 of low-power radio frequency device 120, to reduce the electric power of battery 150
Consumption.It will be appreciated that when low-power radio frequency device 120 is operated in idle mode, the waveform of its RF signal S 1 with
Its operation it is very much like in the sleep cycle T2 of operating mode (both RF signal Ss 1 all can perseverance maintain low logic electricity
It is flat).In addition, low-power radio frequency device 120 is also operable in particular job pattern and a middle operating mode, and these patterns
It will discuss in embodiment afterwards.
Fig. 3 is the operational flowchart for showing the beacon light device 100 described in an embodiment according to the present invention.In step S310,
Optical sensor 130 detects neighbouring light intensity, and produces detection signal S2.In step S320, microprocessor 140 is according to detection
Signal S2 judges whether light intensity reaches a critical value.If so, in step S330, microprocessor 140 controls low-power to penetrate
Frequency device 120 is operated in operating mode.If it is not, in step S340, microprocessor 140 controls low-power radio frequency device 120 to operate
In idle mode.After the operator scheme of selection low-power radio frequency device 120, optical sensor 130 is sustainably detected
Program (step S310), and microprocessor 140 also can restart determining program (step according to the detection signal S2 of renewal
S320)。
Fig. 4 is the operational flowchart for showing the beacon light device 100 described in an embodiment according to the present invention.In step S410,
Optical sensor 130 detects neighbouring light intensity, and produces detection signal S2.In step S420, microprocessor 140 is according to detection
Signal S2 judges the relative size of light intensity.When light intensity is relatively strong, in step S430, microprocessor 140 is controlled
Low-power radio frequency device 120 processed is operated in operating mode.When light intensity is relatively weak, in step S440, microprocessor 140
Control low-power radio frequency device 120 is operated in idle mode.After the operator scheme of selection low-power radio frequency device 120, light
Sensor 130 is sustainably detected program (step S410), and microprocessor 140 also can be according to the detection signal S2 of renewal
Restart determining program (step S420).The embodiment of Fig. 4 can be applied to a large-scale sales field, and wherein beacon light device 100 can be set
It is placed on a goods shelf.When there is any customer close to this goods shelf, the low-power radio frequency device 120 of beacon light device 100 can be wide
RF signal S 1 is broadcast to the mobile device of customer, to notify the relevant merchandise news of customer.For example, RF signal S 1 can wrap
A Universally Unique Identifier (Universally Unique Identifier, UUID) is included, and when the mobile device of customer receives
During to RF signal S 1, this mobile device can also be downloaded corresponding so far general unique at a network cloud system of large-scale sales field
The merchandise news of identification code so that customer can obtain neighbouring commodity information immediately.In the aforementioned application, in large-scale sales field
During business, the low-power radio frequency device 120 of beacon light device 100 is operated in operating mode because neighbouring lamp source is permanent bright, and big
During the rest of type sales field, the low-power radio frequency device 120 of beacon light device 100 is operated in idle mould because neighbouring lamp source is permanent dark
Formula.Under designing herein, ability broadcast radio frequency signals S1 when beacon light device 100 can only have the customer to patronize in large-scale sales field, therefore mark
The power consumption of lamp device 100 can significantly decrease naturally, and then can increase the service life of its battery 150.
In addition, when light intensity rather moderate, in step S450, the also controllable low-power radio frequency dress of microprocessor 140
Put 120 operations particular job pattern (can in the lump with reference to figure 2 RF signal S 1 waveform).In particular job pattern,
There is low-power radio frequency device 120 relatively long signal to produce the radio-frequency power of spacing T3 and rather moderate (with Working mould
Formula compares).For example, when large-scale sales field has been closed the door, but still leaves limit light, low-power radio frequency device 120 can be grasped
Make in particular job pattern.In another example low-power radio frequency device 120 can be arranged near a commodity show window, and can be to roadside
The customer of process sends relevant show window consumption information, wherein the RF signal S 1 broadcasted includes corresponding to show window merchandise news
Universally Unique Identifier.
It is to be understood that " relatively strong " alleged by the above, " rather moderate ", " relatively weak " comparative degree vocabulary can be with
Define in more detail.For example, if light intensity is more than one first critical value, microprocessor 140 can determine whether that it is opposite
Relatively strong, if light intensity is less than one second critical value, microprocessor 140 can determine whether it to be relatively weak, and if light intensity
Between the first critical value and the second critical value, then microprocessor 140 can determine whether that it is rather moderate.
Fig. 5 is the operational flowchart for showing the beacon light device 100 described in an embodiment according to the present invention.In step S510,
Optical sensor 130 detects neighbouring light intensity, and produces detection signal S2.In step S520, microprocessor 140 is according to detection
Signal S2 judges the relative size of light intensity.When light intensity is relatively strong, in step S530, microprocessor 140 is controlled
Low-power radio frequency device 120 processed is operated in idle mode.When light intensity is relatively weak, in step S540, microprocessor 140
Control low-power radio frequency device 120 is operated in operating mode.After the operator scheme of selection low-power radio frequency device 120, light
Sensor 130 is sustainably detected program (step S510), and microprocessor 140 also can be according to the detection signal S2 of renewal
Restart determining program (step S520).The Rule of judgment of Fig. 5 is just opposite with Fig. 4.It is outdoor that the embodiment of Fig. 5 can be applied to one
Place, wherein beacon light device 100 may be provided on a road indicating device.The low-power radio frequency device 120 of beacon light device 100 can
Broadcast radio frequency signals S1 to neighbouring driver mobile device, to notify the relevant information warning of driver.For example, radio frequency
Signal S1 may include a traffic information or a vehicle speed limit information.In the aforementioned application, during in the daytime, beacon light device
100 low-power radio frequency device 120 is operated in idle mode because neighbouring light is relatively strong, and during night, beacon light device 100
Low-power radio frequency device 120 operated because neighbouring light is weaker in operating mode.Under designing herein, beacon light device 100 can be only
The ability broadcast radio frequency signals S1 when all-round visibility is not high, therefore the power consumption of beacon light device 100 can significantly drop naturally
It is low, and then the service life of its battery 150 can be increased.
In addition, when light intensity rather moderate, in step S550, the also controllable low-power radio frequency dress of microprocessor 140
Put 120 operations a middle operating mode (can in the lump with reference to figure 2 RF signal S 1 waveform).In middle operating mode,
Low-power radio frequency device 120 has the radio-frequency power of rather moderate (compared with operating mode).For example, at the cloudy day or it is close to
Between late period, the broadcasting area of low-power radio frequency device 120 can more trade off, for example, between the broadcasting area at daytime and night it
Between.
Fig. 6 is to show that the radio-frequency power described in an embodiment is to the graph of a relation of light intensity according to the present invention.The relation of Fig. 6
It can be applied to the embodiment of Fig. 4.When 120 not operation of low-power radio frequency device is in idle mode (for example, operation is in operating mode
Or during particular job pattern), the radio-frequency power of low-power radio frequency device 120 can be adjusted according to the light intensity detected
It is whole.For example, when the light intensity increase detected, microprocessor 140 can control low-power radio frequency device 120 to improve it
Radio-frequency power, and when the light intensity detected declines, microprocessor 140 can control low-power radio frequency device 120 to reduce it
Radio-frequency power.In certain embodiments, the radio-frequency power of power RF device 120 is adjusted according to equation (1)：
P=x* (b+n) ... ... ... ... ... ... ... ... (1)
Wherein P represents radio-frequency power, and x represents minimum radio-frequency power, and b represents a radix, and n represent light intensity etc.
Level.N can be a positive integer, it can be just directly proportional to light intensity.
Fig. 7 is to show that the radio-frequency power described in an embodiment is to the graph of a relation of light intensity according to the present invention.The relation of Fig. 7
It can be applied to the embodiment of Fig. 5.When 120 not operation of low-power radio frequency device is in idle mode (for example, operation is in operating mode
Or middle operating mode), the radio-frequency power of low-power radio frequency device 120 can be adjusted according to the light intensity detected.
For example, when the light intensity increase detected, microprocessor 140 can control low-power radio frequency device 120 to reduce it and penetrate
Frequency power, and when the light intensity detected declines, microprocessor 140 can control low-power radio frequency device 120 to improve it and penetrate
Frequency power.In certain embodiments, the radio-frequency power of power RF device 120 is adjusted according to equation (2)：
P=x* (b-n) ... ... ... ... ... ... ... ... (2)
Wherein P represents radio-frequency power, and x represents minimum radio-frequency power, and b represents a radix, and n represent light intensity etc.
Level.N can be a positive integer, it can be just directly proportional to light intensity.
Fig. 8 is the flow chart for showing the control method of the beacon light device described in an embodiment according to the present invention.In step
S810, by an optical sensor, detects neighbouring light intensity, and produces a detection signal.In step S820, by a micro- place
Device is managed, the operator scheme of a low-power radio frequency device is controlled according to detection signal.In step S830, filled by low-power radio frequency
Put, produce a radiofrequency signal.In step S840, by an antenna, emission of radio frequency signals is gone out.Optical sensor, microprocessor,
And low-power radio frequency device all supplies electric power by a battery.Aforementioned control method helps to save the battery of beacon light device
Electric power.It must be noted that above step need not be performed sequentially, and one or more any features of the embodiment of 1-7 figures
The control method of Fig. 8 can be applied to.
The present invention provides a kind of novel beacon light device, and such a beacon light device can judge environment according to neighbouring light intensity
Condition, then its signal emission mode is automatically adjusted accordingly, to reach the purpose for reducing battery power consumption amount.Therefore, this hair
It is bright to be well suited for being applied to the various devices for being limited to battery electric power, or applied to the various fields including a large amount of wireless communication units
Institute.
Ordinal number in this description and in the claims, such as " first ", " second ", " the 3rd " etc., each other it
Between not precedence relationship sequentially, it is only used for sign and distinguishes two different elements with same name.
Though the present invention is disclosed as above with preferred embodiment, so it is not limited to the scope of the present invention, art technology
Personnel without departing from the spirit and scope of the present invention, when can do it is a little change and retouch, therefore protection scope of the present invention
When subject to appended claims institute defender.
Claims (12)
1. a kind of beacon light device, including：
Antenna；
Low-power radio frequency device, produces radiofrequency signal, and the wherein radiofrequency signal is launched via the antenna；
Optical sensor, detects neighbouring light intensity, and produces detection signal；
Microprocessor, according to the detection signal, controls the operator scheme of the low-power radio frequency device；And
Battery, there is provided electric power is to the low-power radio frequency device, the optical sensor, and the microprocessor；
Wherein low-power radio frequency device operation is in operating mode or idle mode, wherein when the low-power radio frequency device not operation
In the idle mode, the radio-frequency power of the low-power radio frequency device is adjusted always according to the light intensity, and wherein this is penetrated
Frequency power is adjusted according to following equation：
P=x* (b+n) or P=x* (b-n)
Wherein P represents the radio-frequency power, and x represents minimum radio-frequency power, and b represents radix, and n represents the grade of the light intensity；
Wherein when the light intensity rather moderate, which also operates in particular job pattern, and in the spy
In different operating mode, which has the radio frequency work(that relatively long signal produces spacing and rather moderate
Rate.
2. beacon light device as claimed in claim 1, the wherein radiofrequency signal are Bluetooth signal, and the low-power radio frequency device branch
Hold 4.0 specifications of Bluetooth and there is One-to-All Broadcast.
3. beacon light device as claimed in claim 1, wherein in the operating mode, which intermittently broadcasts
The radiofrequency signal, and in the idle mode, the low-power radio frequency device are gone off the air the radiofrequency signal completely, to reduce the electricity
The electric power consumption in pond.
4. beacon light device as claimed in claim 1, the wherein microprocessor first judge whether the light intensity reaches critical value,
Low-power radio frequency device operation is controlled according to this again in the operating mode or the idle mode.
5. beacon light device as claimed in claim 1, wherein when the light intensity is relatively strong, low-power radio frequency device behaviour
Make in the operating mode, and when the light intensity is relatively weak, which operates in the idle mode.
6. beacon light device as claimed in claim 1, wherein when the light intensity is relatively strong, low-power radio frequency device behaviour
Make in the idle mode, and when the light intensity is relatively weak, which operates in the operating mode.
7. a kind of control method of beacon light device, comprises the following steps：
By optical sensor, neighbouring light intensity is detected, and produce detection signal；
By microprocessor, the operator scheme of low-power radio frequency device is controlled according to the detection signal；
By the low-power radio frequency device, radiofrequency signal is produced；And
By antenna, which is gone out；
The wherein optical sensor, the microprocessor, and the low-power radio frequency device all supply electric power by battery；
Wherein low-power radio frequency device operation is in operating mode or idle mode, when the low-power radio frequency device not operation is at this
During idle mode, by the microprocessor, the radio-frequency power of the low-power radio frequency device is adjusted according to the light intensity, wherein
The radio-frequency power is adjusted according to following equation：
P=x* (b+n) or P=x* (b-n)
Wherein P represents the radio-frequency power, and x represents minimum radio-frequency power, and b represents radix, and n represents the grade of the light intensity；
Wherein when the light intensity rather moderate, which also operates in particular job pattern, and in the spy
In different operating mode, which has the radio frequency work(that relatively long signal produces spacing and rather moderate
Rate.
8. control method as claimed in claim 7, the wherein radiofrequency signal are a Bluetooth signal, and the low-power radio frequency device
Support 4.0 specifications of Bluetooth and there is One-to-All Broadcast.
9. control method as claimed in claim 7, wherein in the operating mode, which intermittently broadcasts
The radiofrequency signal, and in the idle mode, the low-power radio frequency device are gone off the air the radiofrequency signal completely, to reduce the electricity
The electric power consumption in pond.
10. control method as claimed in claim 7, further includes：
By the microprocessor, judge whether the light intensity reaches critical value, and control the low-power radio frequency device to grasp according to this
Make in the operating mode or the idle mode.
11. control method as claimed in claim 7, wherein when the light intensity is relatively strong, the low-power radio frequency device
In the operating mode, and when the light intensity is relatively weak, which operates in the idle mode for operation.
12. control method as claimed in claim 7, wherein when the light intensity is relatively strong, the low-power radio frequency device
In the idle mode, and when the light intensity is relatively weak, which operates in the operating mode for operation.
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| CN201410239810.2A CN105207685B (en) | 2014-05-30 | 2014-05-30 | Beacon light device and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410239810.2A CN105207685B (en) | 2014-05-30 | 2014-05-30 | Beacon light device and its control method |
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| CN105207685A CN105207685A (en) | 2015-12-30 |
| CN105207685B true CN105207685B (en) | 2018-04-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2010146519A1 (en) * | 2009-06-19 | 2010-12-23 | Koninklijke Philips Electronics N.V. | Illumination system and method with improved snr |
| CN203038313U (en) * | 2012-12-30 | 2013-07-03 | 章玺 | RFID (Radio Frequency Identification) electronic tag with light sensation module and anti-disassembly RFID (Radio Frequency Identification) electronic tag |
| CN103365280A (en) * | 2013-07-15 | 2013-10-23 | 中南林业科技大学 | Intelligent home integrated control system and intelligent home control method |
-
2014
- 2014-05-30 CN CN201410239810.2A patent/CN105207685B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010146519A1 (en) * | 2009-06-19 | 2010-12-23 | Koninklijke Philips Electronics N.V. | Illumination system and method with improved snr |
| CN203038313U (en) * | 2012-12-30 | 2013-07-03 | 章玺 | RFID (Radio Frequency Identification) electronic tag with light sensation module and anti-disassembly RFID (Radio Frequency Identification) electronic tag |
| CN103365280A (en) * | 2013-07-15 | 2013-10-23 | 中南林业科技大学 | Intelligent home integrated control system and intelligent home control method |
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