CN103513592A - Energy self-adaptation terminal system and energy self-adaptation method of terminal system - Google Patents
Energy self-adaptation terminal system and energy self-adaptation method of terminal system Download PDFInfo
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- CN103513592A CN103513592A CN201310459433.9A CN201310459433A CN103513592A CN 103513592 A CN103513592 A CN 103513592A CN 201310459433 A CN201310459433 A CN 201310459433A CN 103513592 A CN103513592 A CN 103513592A
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Abstract
The invention discloses an energy self-adaptation terminal system which comprises an input module, a current detecting module, a control module and a plurality of loads. The input module is used for providing working power for the control module and the loads. The current detecting module is used for detecting output currents of the input module. The control module is respectively connected with the loads. The invention further discloses an energy self-adaptation method of the terminal system. The method comprises the steps that S1. magnitude of input currents is detected through the current detecting module; S2. the working gear position of the terminal system is judged according to the magnitude of the currents; S3. the control module in the terminal system selects a corresponding terminal system working mode according to the working gear position. According to the terminal system and the method, automatic adaptation adjusting of the terminal system is achieved according to different power supply sources or different power supply conditions, the fact that the terminal system can work at the highest working speed and the working mode under the condition of limited energy is guaranteed, and accordingly the working performance of the terminal system is improved. The method can be widely used in an electronic terminal system.
Description
Technical field
The present invention relates to adaptive electro path control system, relate in particular to a kind of energy self-adaptation terminal system, the invention still further relates to a kind of energy self-adaptation method of terminal system.
Background technology
RFID:Radio Frequency Identification, REID, claim again electronic tag, radio frequency identification, it is a kind of communication technology, can identify specific objective and read and write related data by radio signals, and without setting up machinery between recognition system and specific objective or optics contacts.
NFC:Near Field Communication, near field communication (NFC).
Along with improving constantly of Sci-Tech Level, electronic equipment has goed deep into the aspect of people's life.Electronic equipment is limited by limited energy supply, mode of operation while often needing equipment to move limits, such as reducing equipment travelling speed, reduce functions of the equipments, reducing equipment performance etc., high-performance, multi-functional requirement that this and people wish run in the opposite direction, and usually make user's experience variation.
Especially in the radio-based electronic devices application without battery and non-contact power supply, such as RFID, NFC etc., due to its energy from electromagnetic wave signal, power supply source is uncertain, the energy obtaining is often fainter and relatively unstable.
For example, in NFC wireless power terminal system, prior art can only be used lower operating rate with the different NFC power supply source of compatibility.When if NFC equipment needs while integrated Wi-Fi wireless transmission or Bluetooth wireless transmission function and uses it to carry out more remote Wireless Data Transmission, Wi-Fi wireless transmission or Bluetooth wireless transmission can only be arranged under less emissive power condition, otherwise all may cannot work because of electricity shortage.
In sum, prior art cannot realize terminal system and automatically adapt to adjusting according to difference power supply source or different condition of power supply, ensure terminal system equal can work to the highest operating rate and mode of operation under the condition of finite energy, thereby improve terminal system serviceability.
Therefore need a kind of can be at different NFC power-supply units during as power supply source, all can automatic operation to the method for top speed or peak performance, to solve above-mentioned conflict.
The present invention mainly solves in various power supply environment and condition all operating rate of equipment capable of automatic changing and mode of operation thereby the highest performance is provided.
Summary of the invention
In order to solve the problems of the technologies described above, to the object of this invention is to provide and a kind ofly can regulate according to power supply environment and condition self-adaptation the terminal system of serviceability.
In order to solve the problems of the technologies described above, another object of the present invention is to provide a kind of terminal system that can make and comes source automatic to regulate the method for serviceability according to power supply.
The technical solution adopted in the present invention is:
A kind of energy self-adaptation terminal system, it comprises load module, current detection module, control module and a plurality of load, described load module is used to control module and a plurality of load that working power is provided, described current detection module is for detection of the output current of load module, and described control module is connected with a plurality of loads respectively.
Preferably, it also comprises voltage detection module, and described voltage detection module is for detection of the output voltage of load module.
Preferably, it also comprises voltage limiter, and described voltage limiter is for limiting the voltage that load module outputs to control module.
Preferably, it also comprises restrictor, and described restrictor is for limiting the electric current that output module outputs to control module.
Preferably, described a plurality of load comprise in NFC transceiver module, Wi-Fi transceiver module and bluetooth transceiver module any one or multiple.
Preferably, described terminal system is NFC wireless power terminal system, and described load module is NFC radio source receiver module.
An energy self-adaptation method, it comprises step: S1, by current detection module, detect input current size; S2, according to the work gear of size of current judgement terminal system; S3, the control module in terminal system selects corresponding terminal system mode of operation control terminal system to work under corresponding mode of operation according to work gear.
Preferably, it also comprises step: S4, in terminal system course of normal operation, by voltage detection module sense terminals system works voltage, if operating voltage is lower than setting threshold values, again performs step successively S1～S3.
The invention has the beneficial effects as follows:
A kind of energy self-adaptation terminal system is by current detection module sense terminals system power supply electric current, control chip is selected the mode of operation of terminal system according to the detection signal of current detection module, realize terminal system and automatically adapted to adjusting according to difference power supply source or different condition of power supply, ensure terminal system equal can work to the highest operating rate and mode of operation under the condition of finite energy, thereby improve the serviceability of terminal system.
In addition, energy self-adaptation terminal system also comprises voltage detection module, and real-time monitoring system voltage in terminal system normal operation, can adjust in time according to voltage detection signal terminal system to mode of operation; By voltage limiter, limit control module operating voltage, can keep normal operating conditions; By flow restrictors limit circuit working electric current, protection control module and a plurality of load are not burnt by heavy current impact, thereby guarantee circuit normal operation; It is particularly remarkable to the effect of raising terminal system serviceability that energy self-adaptation terminal system is applied in NFC wireless power terminal system.
Another beneficial effect of the present invention is:
A kind of energy self-adaptation method of terminal system is by first sense terminals system works electric current, according to current detection signal, select again the mode of operation of terminal system, realize terminal system and automatically adapted to adjusting according to difference power supply source or different condition of power supply, ensure terminal system equal can work to the highest operating rate and mode of operation under the condition of finite energy, thereby improve the serviceability of terminal system.
In addition, a kind of energy self-adaptation method of terminal system, by real-time monitoring system voltage in terminal system normal operation, can adjust according to voltage detection signal terminal system in time to mode of operation.
The present invention can be widely used in electric terminal system.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is the system architecture schematic diagram of a kind of embodiment of energy self-adaptation terminal system;
Fig. 2 is the flow chart of steps of the energy self-adaptation method of terminal system;
Fig. 3 is the program flow diagram of a kind of embodiment of energy self-adaptation method of terminal system.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
As shown in Figure 1, a kind of energy self-adaptation terminal system, it comprises load module, current detection module, control module and a plurality of load, load module is used to control module and a plurality of load that working power is provided, current detection module is for detection of the output current of load module, and control module is connected with a plurality of loads respectively.A kind of energy self-adaptation terminal system is by current detection module sense terminals system power supply electric current, control chip is selected the mode of operation of terminal system according to the detection signal of current detection module, realize terminal system and automatically adapted to adjusting according to difference power supply source or different condition of power supply, ensure terminal system equal can work to the highest operating rate and mode of operation under the condition of finite energy, thereby improve the serviceability of terminal system.
Preferably, it also comprises voltage detection module, and voltage detection module is for detection of the output voltage of load module.Real-time monitoring system voltage in terminal system normal operation, can adjust in time according to voltage detection signal terminal system to mode of operation.
Preferably, it also comprises voltage limiter, and voltage limiter is for limiting the voltage that load module outputs to control module.By voltage limiter, limit control module operating voltage, can keep normal operating conditions.
Preferably, it also comprises restrictor, and restrictor is for limiting the electric current that output module outputs to control module.By flow restrictors limit circuit working electric current, protection control module and a plurality of load are not burnt by heavy current impact, thereby guarantee circuit normal operation.
As shown in Figure 2, the present invention also provides a kind of energy self-adaptation method of terminal system, and it comprises step: S1, detects input current size by current detection module; S2, according to the work gear of size of current judgement terminal system; S3, the control module in terminal system selects corresponding terminal system mode of operation control terminal system to work under corresponding mode of operation according to work gear.A kind of energy self-adaptation method of terminal system is by first sense terminals system works electric current, according to current detection signal, select again the mode of operation of terminal system, realize terminal system and automatically adapted to adjusting according to difference power supply source or different condition of power supply, ensure terminal system equal can work to the highest operating rate and mode of operation under the condition of finite energy, thereby improve the serviceability of terminal system.
Preferably, it also comprises step: S4, in terminal system course of normal operation, by voltage detection module sense terminals system works voltage, if operating voltage is lower than setting threshold values, again performs step successively S1～S3.
The NFC wireless power terminal system of take is below example, and design feature and the course of work of this system is described in detail in detail.
The load module of NFC wireless power terminal system is NFC radio source receiver module, and it comprises aerial coil and current rectifying and wave filtering circuit, by aerial coil, receives NFC wireless signal, and therefrom extracts electric current, through current rectifying and wave filtering circuit output direct current.NFC wireless control module is control chip.A plurality of loads of NFC wireless power terminal system are respectively NFC transceiver module, Wi-Fi transceiver module and bluetooth transceiver module.Control module can be set work gear, and controls the in running order or closed condition of each module according to work gear, and controls the frequency of operation under each module duty.In this embodiment, NFC wireless power terminal system is set as third gear, is respectively L1, L2 and L3.Each gear is described as follows:
L1: high state, open NFC transceiver module, Wi-Fi transceiver module and bluetooth transceiver module, all modules are all operated in the highest transmitting-receiving speed.
L2: intermediateness, open NFC transceiver module, and be operated in the highest transmitting-receiving speed; Close Wi-Fi transceiver module and bluetooth transceiver module.
L3: minimum state, open NFC transceiver module, and be operated in minimum transmitting-receiving speed; Close Wi-Fi transceiver module and bluetooth transceiver module.
Set control module input current I1 and I2 that each gear is corresponding, wherein I1 > I2, the concrete numerical value of I1 and I2 can be set according to concrete terminal system working current.
As control module input current Im > during I1, terminal system is operated in gear L1;
As control module input current Im≤I1 and Im > during=I2, terminal system is operated in gear L2;
When control module input current Im < I2, terminal system is operated in gear L3.
Obvious, can terminal system specifically need to set other gear setting and mode of operation corresponding to gear, this tired stating, all belong to protection scope of the present invention.
NFC radio source receiver module receives NFC wireless energy output voltage V p.Voltage detection module is connected in parallel on NFC radio source receiver module output terminal and detects output voltage, and testing result is outputed to control module processes; Current detection module is connected on and in control module power supply input circuit, detects control module input current Im, and testing result is outputed to control module processes; Voltage limiter is connected in parallel on control module power input, because voltage limiter has automatic negative feedback function, the size of current that voltage limiter both end voltage is not flow through affects, and always autostable is on default voltage, be equivalent to a constant voltage load, so can guarantee the normal working voltage of control chip; Current limliting module is connected on control module power input, and in like manner, restrictor can limit the electric current that enters control chip and be no more than ratings, prevents from because electric current is excessive, control chip being impacted.
As shown in Figure 3, NFC wireless power terminal system powers on after also initialization, first putting voltage limiter is a default pressure limiting level VL, VL is more than or equal to the minimum operating voltage of control chip, and the value of VL can require to set (2V as minimum in control chip can limit VL=2.5V) according to the minimum operating voltage of control chip; Connect restrictor, the Limited Current IL of restrictor is set up the high workload electric current (can set according to the high workload current parameters of control chip, high workload electric current as in control chip is 20mA, can set Limited Current IL=25mA) that is greater than control chip.Then, NFC radio source receiver module output current detects and draws input current Im through current detection module, current detection module is input to control chip by current value, control chip, by Im and default gear electric current I 1, I2 and the I3 judgement of comparing, determines the work gear of terminal system according to judged result.
Wherein, NFC radio source receiver module out-put supply produces default pressure limiting level VL on voltage limiter, supplies with control chip as operation level; NFC radio source receiver module out-put supply is by restrictor, if output current Im is greater than Limited Current IL, restrictor is understood limiting input current value, holding circuit safety.
In terminal system work, controller chip still can be monitored the size of output voltage V P in real time, if work in VP voltage lower than default trigger point VDET(according to the minimum operating voltage requirement of chip, as set VP=2V) time, system will again start above-mentioned current detecting work and reset work gear according to testing result.Because each detection only needs the extremely short time, so its detection consumes minimum.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the distortion that these are equal to or replacement are all included in the application's claim limited range.
Claims (8)
1. an energy self-adaptation terminal system, it is characterized in that, it comprises load module, current detection module, control module and a plurality of load, described load module is used to control module and a plurality of load that working power is provided, described current detection module is for detection of the output current of load module, and described control module is connected with a plurality of loads respectively.
2. a kind of energy self-adaptation terminal system according to claim 1, is characterized in that, it also comprises voltage detection module, and described voltage detection module is for detection of the output voltage of load module.
3. a kind of energy self-adaptation terminal system according to claim 2, is characterized in that, it also comprises voltage limiter, and described voltage limiter is for limiting the voltage that load module outputs to control module.
4. a kind of energy self-adaptation terminal system according to claim 2, is characterized in that, it also comprises restrictor, and described restrictor is for limiting the electric current that output module outputs to control module.
5. according to a kind of energy self-adaptation terminal system described in claim 1～4 any one, it is characterized in that, described a plurality of loads comprise in NFC transceiver module, Wi-Fi transceiver module and bluetooth transceiver module any one or multiple.
6. according to a kind of energy self-adaptation terminal system described in claim 1～4 any one, it is characterized in that, described terminal system is NFC wireless power terminal system, and described load module is NFC radio source receiver module.
7. an energy self-adaptation method for terminal system, is characterized in that, it comprises step:
S1, detects input current size by current detection module;
S2, according to the work gear of size of current judgement terminal system;
S3, the control module in terminal system selects corresponding terminal system mode of operation control terminal system to work under corresponding mode of operation according to work gear.
8. the energy self-adaptation method of a kind of terminal system according to claim 7, is characterized in that, it also comprises step:
S4, in terminal system course of normal operation, by voltage detection module sense terminals system works voltage, if operating voltage is lower than setting threshold values, performs step S1～S3 again successively.
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| CN108062157A (en) * | 2017-11-17 | 2018-05-22 | 深圳市创智成科技股份有限公司 | It is a kind of to be suitable for the outdoor dual-mode intelligent terminal used |
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| CN103513592B (en) | 2017-01-04 |
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