CN105426801A - Method and device for intelligently adjusting ultrahigh-frequency radio frequency identification working modes - Google Patents
Method and device for intelligently adjusting ultrahigh-frequency radio frequency identification working modes Download PDFInfo
- Publication number
- CN105426801A CN105426801A CN201510752294.8A CN201510752294A CN105426801A CN 105426801 A CN105426801 A CN 105426801A CN 201510752294 A CN201510752294 A CN 201510752294A CN 105426801 A CN105426801 A CN 105426801A
- Authority
- CN
- China
- Prior art keywords
- radio frequency
- super high
- frequency identification
- high frequency
- frequency radio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10198—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves setting parameters for the interrogator, e.g. programming parameters and operating modes
- G06K7/10217—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves setting parameters for the interrogator, e.g. programming parameters and operating modes parameter settings controlling the transmission power of the interrogator
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10792—Special measures in relation to the object to be scanned
- G06K7/10801—Multidistance reading
Abstract
The invention discloses a method and device for intelligently adjusting ultrahigh-frequency radio frequency identification working modes. The method comprises the following steps: S1, detecting a temperature T; S2, judging whether the temperature T is greater than T3, if the result is positive, turning to S8, otherwise, turning to S3; S3, judging whether the temperature T is greater than T2, if the result is positive, turning to S5, otherwise, turning to S4; S4, judging whether the temperature T is less than T1, if the result is positive, turning to S6, otherwise, turning to S7; S5, reducing the card reading power and turning to S7; S6, improving the card reading power and turning to S7; S7, delaying for a certain time and turning to S1; and S8, stopping the work and giving an alarm. The method and device provided by the invention are capable of intelligently adjusting the working modes of ultrahigh-frequency radio frequency identification circuits according to the heating conditions of portable terminals so as to ensure that the portable terminals work in the best state all the time.
Description
Technical field
The present invention relates to a kind of method and the device that adjust super high frequency radio frequency identification mode of operation, particularly a kind of can the method for adjustment super high frequency radio frequency identification mode of operation and device.
Background technology
At present, in UHFRFID handheld terminal, Card Reader distance weighs the most critical factor of a properties of product, and the influence factor of Card Reader distance is except the circuit of RFID radio frequency part and Antenna Design, Card Reader power is also the key index directly affecting Card Reader distance, and power is larger just can reach the higher success ratio of Card Reader Distance geometry far away.But rfid system is serious can generate heat during high power work for a long time, suppose module output power 1W, power amplification efficiency 33%, the heat that so will produce is about 2W, power is larger, heating is more serious, thus causes the series of problems such as such as system instability, RFID Card Reader hydraulic performance decline.And various heat abstractor can not be increased as other main equipments in handheld terminal, its heat radiation is main by fuselage heat radiation, and radiating rate comparatively air heat radiation wants slow a lot.In order to ensure that terminal device always works in the state of optimum performance, it is enforceable reduction power that current way mainly contains two kinds: one, high-powerly reads 200ms, then miniwatt reads 200ms; Two is arrange certain stand-by time in the process read, and reads 200ms, stops 100ms, then read 200ms, so repeatedly to reduce power consumption, reduces heating.
But above-mentioned regulation scheme is all generally fixing, by user before use or arrange when dispatching from the factory one acquiescence configuration, Card Reader process is always according to this fixing configuration adjustment, such whole system is in fact still operated in a uncertain state: if low-power and stand-by time arrange long, Consumer's Experience will become non-constant, the normal load and system is far from reaching; If arrange too short by low-power and stand-by time, when working long hours, system heating is final still can inevitably produce.
Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of can according to the method for the heat condition adjustment super high frequency radio frequency identification mode of operation of handheld terminal and device.
The present invention solves the technical scheme that its problem adopts: a kind of method of adjustment super high frequency radio frequency identification mode of operation, comprises the following steps:
S1, detected temperatures T;
S2, judges whether temperature T is greater than T
3if then turn S8, then turn S3 if not;
S3, judges whether temperature T is greater than T
2if then turn S5, then turn S4 if not;
S4, judges whether temperature T is less than T
1if then turn S6, then turn S7 if not;
S5, reduces Card Reader power, turns S7;
S6, improves Card Reader power, turns S7;
S7, postpones a period of time t, turns S1;
S8, quits work, and gives the alarm.
Specifically, in step S1, the detection of temperature T is detected by ADC testing circuit, first measures the voltage V of ADC pin
aDC, then by V
aDCcalculate thermistor R
7resistance, finally find out and thermistor R
7the corresponding temperature T of resistance.
Computing formula is as follows:
V
ADC=V
VDD*R
7/(R
7+R
6)
R7=V
ADC*R
6/(V
VDD-V
ADC)
Specifically, the T in step S2, S3 and S4
3, T
2and T
1meet T
1< T
2< T
3, wherein T
3, T
2and T
1value set according to embody rule.
Specifically, the method changing Card Reader power in step S5 and S6 comprises the ratio read between the stopping time directly changing Card Reader power and change Card Reader, and the thermal value of the less hand-held device of Card Reader power is also less, otherwise thermal value is larger; It is larger that the reading of Card Reader stops time ratios larger hand-held device thermal value, otherwise thermal value is less.
Specifically, t time delay in step S7 sets according to actual needs, because temperature can't produce sudden change, therefore need not moment detected temperatures, carry out next time after postponing appropriate time t again to detect, control chip burden can be alleviated and reduce energy consumption, also decreasing the generation of heat to a certain extent.
A device for adjustment super high frequency radio frequency identification mode of operation, comprise super high frequency radio frequency identification circuit and main control chip, main control chip is connected with super high frequency radio frequency identification circuit.
Further, main control chip is provided with control pin, main control chip is connected with super high frequency radio frequency identification circuit by controlling pin, and main control chip is by controlling the mode of operation of pin adjustment super high frequency radio frequency identification circuit.
Further, main control chip is provided with ADC testing circuit, main control chip is connected with super high frequency radio frequency identification circuit by ADC testing circuit, and main control chip detects the temperature of super high frequency radio frequency identification circuit by ADC testing circuit.
Further, thermistor R is provided with in ADC testing circuit
7, R
7near super high frequency radio frequency identification circuit, make thermistor can the temperature of perception super high frequency radio frequency identification circuit exactly, R
7its parameter of thermistor NCP18XH103E03RB is adopted to be 10K1%at25 DEG C of β-constant (25 DEG C-50 DEG C)=3380K ± 3%.
Further, also comprise battery, described battery is connected with main control chip and super high frequency radio frequency identification circuit respectively, and the normal operation that battery is whole hand-held device provides power supply.
The invention has the beneficial effects as follows: the method for a kind of adjustment super high frequency radio frequency identification mode of operation that the present invention adopts and device, can, according to the mode of operation of the heat condition adjustment super high frequency radio frequency identification circuit of handheld terminal, handheld terminal be made to always work in optimum condition.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the invention will be further described.
Fig. 1 is method flow diagram of the present invention;
Fig. 2 is structured flowchart of the present invention;
Fig. 3 is the connection layout of ADC testing circuit of the present invention;
Fig. 4 is thermistor R
7the corresponding table of resistance and temperature T.
Embodiment
With reference to Fig. 1, a kind of method of adjustment super high frequency radio frequency identification mode of operation, comprises the following steps:
S1, detected temperatures T;
S2, judges whether temperature T is greater than T
3if then turn S8, then turn S3 if not;
S3, judges whether temperature T is greater than T
2if then turn S5, then turn S4 if not;
S4, judges whether temperature T is less than T
1if then turn S6, then turn S7 if not;
S5, reduces Card Reader power, turns S7;
S6, improves Card Reader power, turns S7;
S7, postpones a period of time t, turns S1;
S8, quits work, and gives the alarm.
Specifically, in step S1, the detection of temperature T is detected by ADC testing circuit, first measures the voltage V of ADC pin
aDC, then by V
aDCcalculate thermistor R
7resistance, finally find out and thermistor R
7the corresponding temperature T of resistance.
Computing formula is as follows:
V
ADC=V
VDD*R
7/(R
7+R
6)
R7=V
ADC*R
6/(V
VDD-V
ADC)
Specifically, the T in step S2, S3 and S4
3, T
2and T
1meet T
1< T
2< T
3, wherein T
3, T
2and T
1value set according to embody rule.
Specifically, the method changing Card Reader power in step S5 and S6 comprises the ratio read between the stopping time directly changing Card Reader power and change Card Reader, and the thermal value of the less hand-held device of Card Reader power is also less, otherwise thermal value is larger; It is larger that the reading of Card Reader stops time ratios larger hand-held device thermal value, otherwise thermal value is less.
Specifically, t time delay in step S7 sets according to actual needs, because temperature can't produce sudden change, therefore need not moment detected temperatures, carry out next time after postponing appropriate time t again to detect, control chip burden can be alleviated and reduce energy consumption, also decreasing the generation of heat to a certain extent.
With reference to Fig. 2-Fig. 3, a kind of device of adjustment super high frequency radio frequency identification mode of operation, comprise super high frequency radio frequency identification circuit and main control chip, main control chip is connected with super high frequency radio frequency identification circuit.
Preferably, main control chip is provided with control pin, main control chip is connected with super high frequency radio frequency identification circuit by controlling pin, and main control chip is by controlling the mode of operation of pin adjustment super high frequency radio frequency identification circuit.
Preferably, main control chip is provided with ADC testing circuit, main control chip is connected with super high frequency radio frequency identification circuit by ADC testing circuit, and main control chip detects the temperature of super high frequency radio frequency identification circuit by ADC testing circuit.
Preferably, thermistor R is provided with in ADC testing circuit
7, R
7near super high frequency radio frequency identification circuit, make thermistor can the temperature of perception super high frequency radio frequency identification circuit exactly, R
7its parameter of thermistor NCP18XH103E03RB is adopted to be 10K1%at25 DEG C of β-constant (25 DEG C-50 DEG C)=3380K ± 3%.
Preferably, also comprise battery, described battery is connected with main control chip and super high frequency radio frequency identification circuit respectively, and the normal operation that battery is whole hand-held device provides power supply.
Use procedure of the present invention:
1. use ADC testing circuit to detect the temperature T of super high frequency radio frequency identification circuit, first measure the voltage V of ADC pin
aDC, then by V
aDCcalculate thermistor R
7resistance, finally find out and thermistor R
7the corresponding temperature T of resistance,
Computing formula is as follows:
V
ADC=V
VDD*R
7/(R
7+R
6)
R7=V
ADC*R
6/(V
VDD-V
ADC)
Temperature T and R
7resistance correspondence table please refer to Fig. 4;
2. judge the size of temperature T;
3., according to the size of temperature T, carry out corresponding operation, T is greater than T
3then quit work, give the alarm, T is greater than T
2and be less than T
3then reduce Card Reader power, T is less than T
1then improve Card Reader power, wherein T
1<T
2<T
3, T
1,t
2,t
3occurrence set according to concrete applied environment;
4. carry out next round temperature detection after time delay a period of time t, the occurrence of delay time t sets according to concrete applied environment.
The present invention utilizes the ADC temperature sensing circuit of low cost, achieve the real-time monitoring to UHFRFID system heat condition, and adjust Card Reader power and Card Reader time decreased thermal value flexibly by system software, make system always work in steady state (SS) and can reduce to greatest extent to cause bad impact to user's use.
The method that the present invention adjusts super high frequency radio frequency identification circuit mode of operation has two kinds, and one is the Card Reader power directly adjusting hand-held device, and this will affect the Card Reader distance of hand-held device, and Card Reader power is larger, and Card Reader distance is far away, otherwise Card Reader distance is nearer; Two is the Card Reader quiescent intervals adjusting hand-held device, and this will affect the experience of user, and the ratio of Card Reader time and idle hours is larger, and Consumer's Experience is better, otherwise Consumer's Experience is poorer.
The above, just preferred embodiment of the present invention, the present invention is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present invention with identical means, all should belong to protection scope of the present invention.
Claims (10)
1. a method for adjustment super high frequency radio frequency identification mode of operation, is characterized in that, comprise the following steps:
S1, detected temperatures T;
S2, judges whether temperature T is greater than T
3if then turn S8, then turn S3 if not;
S3, judges whether temperature T is greater than T
2if then turn S5, then turn S4 if not;
S4, judges whether temperature T is less than T
1if then turn S6, then turn S7 if not;
S5, reduces Card Reader power, turns S7;
S6, improves Card Reader power, turns S7;
S7, postpones a period of time t, turns S1;
S8, quits work, and gives the alarm.
2. the method for a kind of adjustment super high frequency radio frequency identification mode of operation according to claim 1, is characterized in that; In step S1, the detection of temperature T is detected by ADC testing circuit.
3. the method for a kind of adjustment super high frequency radio frequency identification mode of operation according to claim 1, is characterized in that; T in step S2, S3 and S4
3, T
2and T
1meet T
1< T
2< T
3, wherein T
3, T
2and T
1value set according to embody rule.
4. the method for a kind of adjustment super high frequency radio frequency identification mode of operation according to claim 1, is characterized in that; The method changing Card Reader power in step S5 and S6 comprises the ratio read between the stopping time directly changing Card Reader power and change Card Reader.
5. the method for a kind of adjustment super high frequency radio frequency identification mode of operation according to claim 1, is characterized in that; T time delay in step S7 sets according to actual needs.
6. a device for adjustment super high frequency radio frequency identification mode of operation, it is characterized in that: comprise super high frequency radio frequency identification circuit and main control chip, main control chip is connected with super high frequency radio frequency identification circuit.
7. the device of a kind of adjustment super high frequency radio frequency identification mode of operation according to claim 6, is characterized in that: main control chip is provided with control pin, and main control chip is connected with super high frequency radio frequency identification circuit by controlling pin.
8. the device of a kind of adjustment super high frequency radio frequency identification mode of operation according to claim 6, is characterized in that: main control chip is provided with ADC testing circuit, and main control chip is connected with super high frequency radio frequency identification circuit by ADC testing circuit.
9. the device of a kind of adjustment super high frequency radio frequency identification mode of operation according to claim 8, is characterized in that: be provided with thermistor R in described ADC testing circuit
7, R
7near super high frequency radio frequency identification circuit.
10. the device of a kind of adjustment super high frequency radio frequency identification mode of operation according to claim 6, it is characterized in that: also comprise battery, described battery is connected with main control chip and super high frequency radio frequency identification circuit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510752294.8A CN105426801A (en) | 2015-11-06 | 2015-11-06 | Method and device for intelligently adjusting ultrahigh-frequency radio frequency identification working modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510752294.8A CN105426801A (en) | 2015-11-06 | 2015-11-06 | Method and device for intelligently adjusting ultrahigh-frequency radio frequency identification working modes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105426801A true CN105426801A (en) | 2016-03-23 |
Family
ID=55505002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510752294.8A Pending CN105426801A (en) | 2015-11-06 | 2015-11-06 | Method and device for intelligently adjusting ultrahigh-frequency radio frequency identification working modes |
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|---|---|
| CN (1) | CN105426801A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111860010A (en) * | 2020-06-30 | 2020-10-30 | 深圳市成为信息技术有限公司 | Control method and storage medium of UHF hand-held terminal |
| CN113378590A (en) * | 2020-02-25 | 2021-09-10 | 东芝泰格有限公司 | Tag reading apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050270153A1 (en) * | 2004-06-08 | 2005-12-08 | Samsung Electronic Co., Ltd. | Radio frequency identification tag for transmitting temperature data and method therefor |
| CN101102130A (en) * | 2006-07-07 | 2008-01-09 | 乐金电子（昆山）电脑有限公司 | RF power control device |
| CN101828190A (en) * | 2007-08-22 | 2010-09-08 | 符号技术有限公司 | Thermal management within mobile RFID readers through the application of temperature governed variable non-emissive intervals |
| CN201668085U (en) * | 2010-05-24 | 2010-12-15 | 刘瑜 | Digital readout air blower capable of setting air outlet temperature |
| CN103207980A (en) * | 2013-02-21 | 2013-07-17 | 广东溢达纺织有限公司 | Radio frequency identification device and thermostatic control method of radio frequency card reader |
-
2015
- 2015-11-06 CN CN201510752294.8A patent/CN105426801A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050270153A1 (en) * | 2004-06-08 | 2005-12-08 | Samsung Electronic Co., Ltd. | Radio frequency identification tag for transmitting temperature data and method therefor |
| CN101102130A (en) * | 2006-07-07 | 2008-01-09 | 乐金电子（昆山）电脑有限公司 | RF power control device |
| CN101828190A (en) * | 2007-08-22 | 2010-09-08 | 符号技术有限公司 | Thermal management within mobile RFID readers through the application of temperature governed variable non-emissive intervals |
| CN201668085U (en) * | 2010-05-24 | 2010-12-15 | 刘瑜 | Digital readout air blower capable of setting air outlet temperature |
| CN103207980A (en) * | 2013-02-21 | 2013-07-17 | 广东溢达纺织有限公司 | Radio frequency identification device and thermostatic control method of radio frequency card reader |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113378590A (en) * | 2020-02-25 | 2021-09-10 | 东芝泰格有限公司 | Tag reading apparatus |
| CN111860010A (en) * | 2020-06-30 | 2020-10-30 | 深圳市成为信息技术有限公司 | Control method and storage medium of UHF hand-held terminal |
| CN111860010B (en) * | 2020-06-30 | 2021-09-17 | 深圳市成为信息技术有限公司 | Control method and storage medium of UHF hand-held terminal |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 518057 Guangdong city of Shenzhen province Nanshan District Xili Street District Science Park Road bossen CLOU building A block 17 layer Applicant after: Shenzhen Hong Lu Technology Co., Ltd. Address before: 518057 Guangdong city of Shenzhen province Nanshan District Xili Street District Science Park Road bossen CLOU building A block 17 layer Applicant before: SHENZHEN KELU INTERNET OF THINGS INFORMATION TECHNOLOGY CO., LTD. |
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Application publication date: 20160323 |
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| RJ01 | Rejection of invention patent application after publication |