CN112217259B - Remote management system for wireless charging of internet mobile phone - Google Patents
Remote management system for wireless charging of internet mobile phone Download PDFInfo
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- CN112217259B CN112217259B CN202011156377.8A CN202011156377A CN112217259B CN 112217259 B CN112217259 B CN 112217259B CN 202011156377 A CN202011156377 A CN 202011156377A CN 112217259 B CN112217259 B CN 112217259B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
Abstract
The invention discloses a remote management system for wireless charging of an internet mobile phone, which comprises a power supply adaptation terminal, a wireless charging terminal and a remote charging management platform, wherein the power supply adaptation terminal is connected with the wireless charging terminal, and the remote charging management platform is respectively connected with the power supply adaptation terminal and the wireless charging terminal. According to the invention, the remote charging management platform is used for comprehensively analyzing and processing the temperature abnormal risk coefficient, the internal and external temperature values of the power supply adaptive terminal and the temperature value of the upper surface of the wireless charging terminal, counting the continuous adaptive charging risk coefficient of the mobile phone terminal continuously charged under the current condition, and further carrying out intelligent cut-off control on the wireless charging terminal and the power supply adaptive terminal so as to prevent the power supply adaptive terminal or the wireless charging terminal from continuously supplying power to the mobile phone terminal, reduce the risk of battery damage or explosion caused by overhigh temperature, effectively protect the charging mobile phone and charging equipment, improve the safety in the wireless charging process and realize remote intelligent control protection.
Description
Technical Field
The invention belongs to the technical field of wireless charging management, and relates to a remote management system for wireless charging of an internet mobile phone.
Background
With the requirement of the mobile phone for power supply being higher and higher, the contact type electric energy transmission mode can not meet the actual requirement. The wireless charger is a device which utilizes the principle of electromagnetic induction to charge, the principle is similar to that of a transformer, a coil is respectively arranged at a transmitting end and a receiving end, the coil at the transmitting end sends out an electromagnetic signal to the outside under the action of electric power, and the coil at the receiving end receives the electromagnetic signal and converts the electromagnetic signal into current, so that the purpose of wireless charging is achieved. The wireless charging technology is a special power supply mode, does not need a power line, depends on electromagnetic wave propagation, converts electromagnetic wave energy into electric energy, and finally realizes wireless charging.
At present, the following problems exist in the wireless charging process of a mobile phone: 1. the temperature of the wireless charging equipment is too high due to reasons such as heat dissipation, continuous charging and the like in the process of converting alternating current into direct current of the wireless charging equipment, so that the service life of the wireless charging equipment is influenced; 2. when the mobile phone is placed on the wireless charging seat for charging, and the surface temperature of the mobile phone is too high, so that the continuous charging risk cannot be analyzed; 3. the state of continuous charging can not be intelligently blocked according to the risk degree of the mobile phone in the wireless charging process, and further the mobile phone lacks the safety charging management protection in the wireless charging process.
Disclosure of Invention
The invention aims to provide a remote management system for wireless charging of an internet mobile phone, which solves the problems in the prior art.
The purpose of the invention can be realized by the following technical scheme:
a remote management system for wireless charging of an Internet mobile phone comprises a power supply adaptation terminal, a wireless charging terminal and a remote charging management platform, wherein the power supply adaptation terminal is connected with the wireless charging terminal, and the remote charging management platform is respectively connected with the power supply adaptation terminal and the wireless charging terminal;
the power supply adapter terminal is used for converting commercial alternating current into direct current, converting the converted direct current into alternating current required by a coil in the wireless charging terminal through the first inverter, acquiring inner and outer temperature parameters of the power supply adapter terminal, analyzing and processing the inner and outer temperature parameters, analyzing a temperature abnormity danger coefficient of the power supply adapter terminal, performing blocking control on power supply conversion through the temperature abnormity danger coefficient, sending the detected temperature abnormity danger coefficient and the acquired inner and outer temperature parameters of the power supply adapter terminal to the remote charging management platform, and receiving a charging blocking control instruction fed back by the remote charging management platform to block commercial power from continuing to supply power to the wireless charging terminal;
the wireless charging terminal is used for receiving alternating current sent by the power supply adapting terminal, the alternating current enters the coil to generate a magnetic field and can charge an internal storage battery, meanwhile, the wireless charging terminal collects the surface temperature of the wireless charging terminal, sends the surface temperature to the remote charging management platform and receives a charging cut-off control instruction fed back by the remote charging management platform to block the storage battery from continuing to supply power to the coil to generate the magnetic field;
the remote charging management platform is used for receiving the temperature abnormal risk coefficient sent by the power supply adaptive terminal and the collected internal and external temperature parameters of the power supply adaptive terminal, screening out a temperature value of which the internal temperature value of the power supply adaptive terminal is greater than the set internal dangerous temperature lower limit and a temperature value of which the external temperature value is greater than the set external dangerous temperature lower limit, comparing the temperature value of which the internal temperature lower limit is greater than the set internal temperature lower limit with the temperature range corresponding to each internal temperature grade Ki, comparing the temperature value of which the external dangerous temperature lower limit is greater than the set external dangerous temperature lower limit with the temperature range corresponding to each external temperature grade Fi, obtaining the accumulated time length of each internal temperature grade and each external temperature grade, receiving the temperature of the surface of the wireless charging terminal sent by the wireless charging terminal, and judging the temperature rise rate of the surface of the wireless charging terminal in each monitoring time, and screening the highest temperature of the surface and the temperature rise rates in the first n monitoring time periods reaching the highest temperature, substituting the accumulated time length under each internal temperature level, the accumulated time length under each external temperature level, the abnormal temperature risk coefficient of the current power adapter terminal, the highest temperature of the surface of the wireless charging terminal and the temperature rise rates in the first n monitoring time periods reaching the highest temperature into a power adaptation interception risk model by the remote charging management platform to obtain a continuously adaptive charging risk coefficient, judging whether the continuously adaptive charging risk coefficient is greater than a set safety risk coefficient threshold value or not by the remote charging management platform, and if the continuously adaptive charging risk coefficient is greater than the set safety risk coefficient threshold value, sending a charging interception control instruction to the power adapter terminal or the wireless charging terminal by the remote charging management platform to prevent the mobile phone terminal from being continuously powered.
Furthermore, the power supply adaptation terminal comprises an AC/DC converter, a first inverter, a heating protection unit, an ambient temperature acquisition unit, an internal temperature acquisition unit and an adaptation regulation processing unit, wherein the first inverter is connected with the AC/DC converter through the heating protection unit, and the adaptation regulation processing unit is respectively connected with the heating protection unit, the ambient temperature acquisition unit and the internal temperature acquisition unit;
the AC/DC converter is used for converting commercial alternating current into direct current, the converted direct current is transmitted to the first inverter through the heating protection unit in a conducting state, and the first inverter is used for converting the input converted direct current into alternating current required by the power receiving coil;
the environment temperature acquisition unit is used for acquiring the temperature value of the power supply adaptation terminal in the environment in real time;
the internal temperature acquisition unit is used for acquiring a temperature value in the power supply adaptation terminal in real time;
the adaptation adjusting and processing unit receives the temperature value in the power adaptation terminal sent by the internal temperature acquisition unit and the temperature value in the environment sent by the environment temperature acquisition unit, sequentially screens out the temperature value in the power adaptation terminal which is greater than the lower limit of the set internal dangerous temperature and the temperature value in the external temperature which is greater than the lower limit of the set external dangerous temperature in the single charging process of the mobile phone terminal, counts out the temperature abnormal danger coefficient, judges whether the temperature abnormal danger coefficient is greater than the threshold value of the set temperature abnormal danger coefficient or not, if the temperature abnormal danger coefficient is greater than the threshold value of the temperature abnormal danger coefficient, sends a charging cut-off control instruction to the heating protection unit, and respectively sends the counted temperature abnormal danger coefficient and the detected temperature values in the internal environment and the external environment of the power adaptation terminal to the remote charging management platform, meanwhile, receiving a charging cut-off control instruction sent by the remote charging management platform to the heating protection unit;
the heating protection unit is used for receiving the charging cut-off control instruction sent by the adaptive adjustment processing unit and blocking the communication between the first inverter and the AC/DC converter.
Further, the calculation formula of the temperature abnormal risk coefficient in the power supply adapting terminal is
Lambda is the influence proportion coefficient of the temperature in the power supply adaptive terminal on the power supply adaptive terminal, 0 & ltlambda & lt 1, beta is the influence proportion coefficient of the temperature in the environment where the power supply adaptive terminal is located on the power supply adaptive terminal, 0 & ltbeta & lt 1, and beta & ltlambda,
the accumulated time length which is expressed as the temperature value in the power adapter terminal is larger than the temperature value of the lower limit of the set dangerous internal temperature,
t1, which is the cumulative duration of the temperature value in the environment of the power adapter terminal greater than the temperature value at which the set external dangerous temperature lower limit is setThreshold(s)T2, which is expressed as the time length that the internal temperature value of the power supply adaptive terminal is greater than the minimum safety threshold value of the set internal dangerous temperature lower limitThreshold(s)The time length is expressed as that the temperature value in the environment where the power supply adaptive terminal is located is larger than the minimum safety threshold value of the set external dangerous temperature lower limit.
Further, the protection unit generates heat includes the copper sheet, the iron sheet, the insulation board, insulating lasso and the circular telegram coil that is connected with first dc-to-ac converter, insulation board and insulating lasso are fixed respectively on the switch, insulation board one end is passed through the copper sheet and is connected with insulating lasso, the other end passes through the iron sheet and is connected with insulating lasso, circular telegram coil is installed in the iron sheet and the copper sheet outside, when the adaptation is adjusted processing unit and is received the control command that blocks that charges that the management platform sent that charges of long-range, for the protection unit that generates heat provides the alternating current, circular telegram coil circular telegram back, iron sheet and copper sheet are heated deformation under the effect of circular telegram magnetic field, drive the little iron.
Furthermore, a storage battery, a second inverter, a coil, a storage power supply protection unit, a temperature detection unit and an electric power storage allocation processing unit are arranged in the wireless charging terminal, the coil is respectively connected with the power supply adapting terminal and the storage power supply protection unit, the storage battery is connected with the second inverter, the second inverter is connected with the coil through the storage power supply protection unit, and the electric power storage allocation processing unit is respectively connected with the storage power supply protection unit and the temperature detection unit;
the temperature detection unit is arranged on the upper surface of the wireless charging terminal and used for collecting the temperature of the mobile phone terminal placed on the wireless charging terminal in the charging process and sending the collected temperature of the mobile phone terminal in the charging process to the electric power storage allocation processing unit;
the electric power storage allocation processing unit is used for extracting the temperature of the mobile phone terminal placed on the wireless charging terminal in the charging process, sending the temperature to the remote charging management platform, and receiving a charging cut-off control instruction sent by the remote charging management platform to carry out power supply blocking control on the storage power supply protection unit;
the storage power supply protection unit receives the charge cut-off control instruction sent by the power storage allocation processing unit, and controls the disconnection of a lead between the second inverter and the coil, so that the situation that the storage battery continues to supply power to the coil to generate a magnetic field is avoided, and further the situation that the mobile phone terminal on the wireless charging terminal continues to be charged is prevented.
Further, the power supply adaptation cutoff risk model is
Wherein, the temperature range corresponding to the inner temperature grade Ki is all larger than the temperature value of the set inner temperature lower limit, the temperature range corresponding to the outer temperature grade Fi is all larger than the temperature value of the set outer temperature lower limit, e is a natural number, WmaxThe highest temperature of the surface of the wireless charging terminal is W' which is the highest temperature bearable by the mobile phone terminal in a safe charging state, and gamma isFiThe influence proportion coefficient of external temperature grade Fi on the interior of the power adapter is more than 0 and more than gammaFi＜1，gKiIs a weight scale factor corresponding to the internal temperature level Ki, and gK1+gK2+...+gK8＝1，TFiAnd TKiRespectively, the accumulated time corresponding to the outer temperature level Fi and the accumulated time corresponding to the inner temperature level Ki, TFi thresholdAnd TKi thresholdRespectively, a safety accumulated time length threshold corresponding to the outer temperature grade Fi and a safety accumulated time length threshold corresponding to the inner temperature grade Ki, VfIs the temperature rise rate in the f monitoring time period, f is a natural number, VmaxThe highest rate of temperature rise.
The invention has the beneficial effects that:
the invention detects and analyzes the internal and external temperature of the power supply adaptive terminal through the remote management system of the internet mobile phone wireless charging to obtain the temperature abnormal danger coefficient of the power supply adaptive terminal, and the remote charging management platform comprehensively analyzes and processes the temperature abnormal danger coefficient, the internal and external temperature values of the power supply adaptive terminal and the temperature value of the upper surface of the wireless charging terminal to count the continuous adaptive charging danger coefficient of the mobile phone terminal continuously charging under the current condition, and then intelligently controls the wireless charging terminal and the power supply adaptive terminal according to the continuous adaptive charging danger coefficient to prevent the power supply adaptive terminal or the wireless charging terminal from continuously supplying power to the mobile phone terminal with high continuous adaptive charging danger coefficient, reduce the risk of battery damage or explosion caused by overhigh temperature in the charging process, and effectively protect the charging mobile phone and the charging equipment, the safety in the wireless charging process is improved, and remote and intelligent control protection is realized.
According to the invention, the remote charging management platform can evaluate the risk degree of the mobile phone terminal in the charging process through the simulated power supply adaptation cut-off danger model, once the continuous adaptation charging danger coefficient is larger than the set value, the remote charging management platform sends a charging cut-off control instruction to the power supply adaptation terminal or the wireless charging terminal, and further triggers the internal heating protection unit or the storage power supply protection unit to be disconnected, so that the mobile phone is prevented from being continuously charged, the charging management protection of the mobile phone is realized, and the service lives of the mobile phone and the wireless charging equipment are prolonged.
According to the invention, the electrified coils are sleeved on the copper sheet and the iron sheet and are respectively positioned at two ends of the switch, so that the switch is driven to deviate due to different thermal expansion coefficients of the iron sheet and the copper sheet under the heating condition, and the switch is further controlled to be turned on or off, the intelligent power-off control is satisfied, and the intelligent power-off control circuit has the characteristics of simplicity in operation and high safety.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a remote management system for wireless charging of an internet phone according to the present invention;
FIG. 2 is an internal schematic diagram of the power adapter terminal of the present invention;
fig. 3 is an internal schematic view of a wireless charging terminal according to the present invention;
fig. 4 is a schematic diagram of a heat-generating protection unit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a remote management system for wireless charging of an internet phone includes a power adapter terminal, a wireless charging terminal, and a remote charging management platform, where the power adapter terminal is connected to the wireless charging terminal, and the remote charging management platform is connected to the power adapter terminal and the wireless charging terminal, respectively.
The power supply adaptation terminal is used for converting commercial alternating current into direct current, then converting the converted direct current into alternating current required by a coil in the wireless charging terminal through the first inverter, acquiring inner and outer temperature parameters of the power supply adaptation terminal, analyzing and processing the inner and outer temperature parameters, analyzing the abnormal temperature danger coefficient of the power supply adaptation terminal, blocking and controlling power supply conversion through the abnormal temperature danger coefficient, sending the detected abnormal temperature danger coefficient and the acquired inner and outer temperature parameters of the power supply adaptation terminal to the remote charging management platform, and receiving a charging blocking and controlling instruction fed back by the remote charging management platform to block the commercial power to continue supplying power to the wireless charging terminal.
The power supply adapting terminal comprises an AC/DC converter, a first inverter, a heating protection unit, an ambient temperature acquisition unit, an internal temperature acquisition unit and an adapting adjustment processing unit, wherein the first inverter is connected with the AC/DC converter through the heating protection unit, and the adapting adjustment processing unit is respectively connected with the heating protection unit, the ambient temperature acquisition unit and the internal temperature acquisition unit.
The AC/DC converter is used for converting commercial alternating current into direct current, the converted direct current is transmitted to the first inverter through the heating protection unit in a conducting state, and the first inverter is used for converting the input converted direct current into alternating current required by the power receiving coil.
The environment temperature acquisition unit is used for acquiring the temperature value of the power supply adaptation terminal in the environment in real time;
the internal temperature acquisition unit is used for acquiring a temperature value in the power supply adaptation terminal in real time;
the adaptation adjusting and processing unit receives the temperature value inside the power adaptation terminal sent by the internal temperature acquisition unit and the temperature value in the environment sent by the environment temperature acquisition unit, sequentially screens out the temperature value of which the internal temperature value is greater than the lower limit of the set internal dangerous temperature and the temperature value of which the external temperature value is greater than the lower limit of the set external dangerous temperature in the single charging process of the mobile phone terminal, and counts out the abnormal temperature danger coefficient
Lambda is the influence proportion coefficient of the temperature in the power supply adaptive terminal on the power supply adaptive terminal, 0 & ltlambda & lt 1, beta is the influence proportion coefficient of the temperature in the environment where the power supply adaptive terminal is located on the power supply adaptive terminal, 0 & ltbeta & lt 1, and beta & ltlambda,
is shown asThe accumulated time length of the temperature value in the power supply adaptive terminal is greater than the temperature value of the lower limit of the set internal dangerous temperature,
t1, which is the cumulative duration of the temperature value in the environment of the power adapter terminal greater than the temperature value at which the set external dangerous temperature lower limit is setThreshold(s)T2, which is expressed as the time length that the internal temperature value of the power supply adaptive terminal is greater than the minimum safety threshold value of the set internal dangerous temperature lower limitThreshold(s)The adaptive adjustment processing unit judges whether a temperature abnormal risk coefficient is larger than a set temperature abnormal risk coefficient threshold value or not, if the temperature abnormal risk coefficient threshold value is larger than the temperature abnormal risk coefficient threshold value, a charging cut-off control instruction is sent to the heating protection unit, the counted temperature abnormal risk coefficient and the detected temperature values of the internal environment and the external environment of the power adaptation terminal are respectively sent to the remote charging management platform, and meanwhile, the charging cut-off control instruction sent by the remote charging management platform is received to the heating protection unit.
The heating protection unit is used for receiving the charging cut-off control instruction sent by the adaptation adjusting processing unit and blocking the communication between the first inverter and the AC/DC converter.
The wireless charging terminal is used for receiving alternating current sent by the power supply adapting terminal, the alternating current enters the coil to generate a magnetic field, the internal storage battery can be charged, meanwhile, the wireless charging terminal collects the surface temperature of the wireless charging terminal, sends the surface temperature to the remote charging management platform, and receives a charging cutoff control instruction fed back by the remote charging management platform to block the storage battery from continuing to supply power to the coil to generate the magnetic field.
The wireless charging terminal is internally provided with a storage battery, a second inverter, a coil, a storage power supply protection unit, a temperature detection unit and an electric power storage allocation processing unit, the coil is respectively connected with the power supply adaptation terminal and the storage power supply protection unit, the storage battery is connected with the second inverter, the second inverter is connected with the coil through the storage power supply protection unit, and the electric power storage allocation processing unit is respectively connected with the storage power supply protection unit and the temperature detection unit.
The temperature detection unit is installed on the upper surface of the wireless charging terminal and used for collecting the temperature of the mobile phone terminal placed on the wireless charging terminal in the charging process and sending the collected temperature of the mobile phone terminal in the charging process to the electric power storage allocation processing unit.
The electric power storage allocation processing unit is used for extracting the temperature of the mobile phone terminal placed on the wireless charging terminal in the charging process, sending the temperature to the remote charging management platform, and receiving a charging cut-off control instruction sent by the remote charging management platform to carry out power supply blocking control on the storage power supply protection unit.
The storage power supply protection unit receives the charge cut-off control instruction sent by the power storage allocation processing unit, and controls the disconnection of a lead between the second inverter and the coil, so that the situation that the storage battery continues to supply power to the coil to generate a magnetic field is avoided, and further the situation that the mobile phone terminal on the wireless charging terminal continues to be charged is prevented.
Wherein, the protection unit generates heat includes copper sheet 1, iron sheet 2, insulation board 3, insulating lasso 4 and the circular telegram coil 5 that is connected with first dc-to-ac converter, insulation board 3 and insulating lasso 4 are fixed respectively on the switch, 3 one end of insulation board is passed through copper sheet 1 and is connected with insulating lasso 4, the other end passes through iron sheet 2 and is connected with insulating lasso 4, circular telegram coil 5 is installed in iron sheet 2 and the 1 outside of copper sheet, when the adaptation is adjusted processing unit and is received the control command that blocks that charges that long-range charging management platform sent, for the protection unit that generates heat provides the alternating current, circular telegram coil 5 circular telegram back, iron sheet 2 and copper sheet 1 are heated deformation under the effect in circular telegram magnetic field, drive the 2 directions of iron sheet that the switch.
The storage power supply protection unit and the heating protection unit have the same structure and the same principle.
The remote charging management platform is used for receiving the temperature abnormal risk coefficient sent by the power supply adaptive terminal and the collected internal and external temperature parameters of the power supply adaptive terminal, screening out a temperature value of which the internal temperature value of the power supply adaptive terminal is greater than a set internal dangerous temperature lower limit and a temperature value of which the external temperature value is greater than a set external dangerous temperature lower limit, comparing the temperature value greater than the set internal temperature lower limit with a temperature range corresponding to each internal temperature grade Ki (i is 1,2, 8), comparing the temperature value greater than the set external dangerous temperature lower limit with a temperature range corresponding to each external temperature grade Fi (i is 1,2, 5), obtaining the accumulated duration of each internal temperature grade and each external temperature grade, and receiving the temperature of the surface of the wireless charging terminal sent by the wireless charging terminal, judging the temperature rising rate of the surface of the wireless charging terminal in each monitoring time period, screening the highest temperature of the surface and the temperature rising rates in the first n monitoring time periods reaching the highest temperature, substituting the accumulated time length under each internal temperature level, the accumulated time length under each external temperature level, the temperature abnormal risk coefficient of the current power supply adapter terminal, the highest temperature of the surface of the wireless charging terminal and the temperature rising rates in the first n monitoring time periods reaching the highest temperature into a power supply adaptation truncation risk model by a remote charging management platform to obtain a continuously adaptive charging risk coefficient, wherein the larger the continuously adaptive charging risk coefficient is, the higher the possibility of causing thermal fault or danger of a mobile phone in the charging process of the wireless charging terminal for the mobile phone terminal is, even causing the risks of explosion and the like of a storage battery in the mobile phone terminal, and continuously charging the mobile phone terminal, the wireless charging terminal can be damaged by heating, the remote charging management platform judges whether the continuous adaptive charging danger coefficient is larger than a set safe danger coefficient threshold value or not, and if the continuous adaptive charging danger coefficient is larger than the set safe danger coefficient threshold value, the remote charging management platform sends a charging cutoff control instruction to the power supply adaptive terminal or the wireless charging terminal so as to prevent the mobile phone terminal from being continuously powered.
Wherein the power adaptation cutoff risk model is
Wherein, the temperature range corresponding to the inner temperature grade Ki is all larger than the temperature value of the set inner temperature lower limit, the temperature range corresponding to the outer temperature grade Fi is all larger than the temperature value of the set outer temperature lower limit, e is a natural number, WmaxThe highest temperature on the surface of the wireless charging terminal is W' which indicates that the mobile phone terminal is in safetyMaximum temperature, gamma, sustainable in the charged stateFiThe influence proportion coefficient of external temperature grade Fi on the interior of the power adapter is more than 0 and more than gammaFi＜1，gKiIs a weight scale factor corresponding to the internal temperature level Ki, and gK1+gK2+...+gK8＝1，TFiAnd TKiRespectively, the accumulated time corresponding to the outer temperature level Fi and the accumulated time corresponding to the inner temperature level Ki, TFi thresholdAnd TKi thresholdRespectively, a safety accumulated time length threshold corresponding to the outer temperature grade Fi and a safety accumulated time length threshold corresponding to the inner temperature grade Ki, VfIs the temperature rise rate in the f monitoring time period, f is a natural number, VmaxThe maximum temperature rise rate is achieved, the danger model is cut off through power supply adaptation, the continuous charging danger degree of the mobile phone terminal caused by the temperature in the wireless charging process is accurately obtained, the feedback of stopping continuous charging of the wireless charging terminal and the power supply adaptation terminal is timely carried out according to the continuous charging danger degree, the battery damage and explosion accidents of the mobile phone terminal caused by the temperature influence can be effectively avoided, and the charging performance of the wireless charging equipment can be protected.
Before the remote charging management platform sends a charging cut-off control instruction, the following operations are carried out:
the method comprises the steps that firstly, whether a power supply adaptation terminal sends a temperature abnormity risk coefficient or not is judged, if the power supply adaptation terminal does not send the temperature abnormity risk coefficient, the fact that a storage battery in the wireless charging terminal supplies power is indicated, a remote charging management platform only sends a charging cut-off control instruction to the wireless charging terminal;
and step two, if the power supply adaptation terminal sends the temperature abnormal danger coefficient, the power supply adaptation terminal is indicated to transmit alternating current to the wireless charging terminal, and then the mobile phone terminal is charged, and the remote charging management platform only sends a charging cut-off control instruction to the power supply adaptation terminal.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.
Claims (4)
1. The utility model provides a remote management system that internet cell-phone is wireless charges which characterized in that: the wireless charging system comprises a power supply adaptation terminal, a wireless charging terminal and a remote charging management platform, wherein the power supply adaptation terminal is connected with the wireless charging terminal, and the remote charging management platform is respectively connected with the power supply adaptation terminal and the wireless charging terminal;
the power supply adapter terminal is used for converting commercial alternating current into direct current, converting the converted direct current into alternating current required by a coil in the wireless charging terminal through the first inverter, acquiring inner and outer temperature parameters of the power supply adapter terminal, analyzing and processing the inner and outer temperature parameters, analyzing a temperature abnormity danger coefficient of the power supply adapter terminal, performing blocking control on power supply conversion through the temperature abnormity danger coefficient, sending the detected temperature abnormity danger coefficient and the acquired inner and outer temperature parameters of the power supply adapter terminal to the remote charging management platform, and receiving a charging blocking control instruction fed back by the remote charging management platform to block commercial power from continuing to supply power to the wireless charging terminal;
the calculation formula of the temperature abnormity risk coefficient in the power supply adaptive terminal is
Lambda is the influence proportion coefficient of the temperature in the power supply adaptive terminal on the power supply adaptive terminal, 0 & ltlambda & lt 1, beta is the influence proportion coefficient of the temperature in the environment where the power supply adaptive terminal is located on the power supply adaptive terminal, 0 & ltbeta & lt 1, and beta & ltlambda,
the accumulated time length which is expressed as the temperature value in the power adapter terminal is larger than the temperature value of the lower limit of the set dangerous internal temperature,
is shown as electricityCumulative duration of temperature value in environment of source adaptation terminal greater than temperature value of set external dangerous temperature lower limit, T1Threshold(s)T2, which is expressed as the time length that the internal temperature value of the power supply adaptive terminal is greater than the minimum safety threshold value of the set internal dangerous temperature lower limitThreshold(s)The minimum safety threshold duration is expressed as that the temperature value in the environment where the power supply adaptive terminal is located is greater than the set external dangerous temperature lower limit;
the wireless charging terminal is used for receiving alternating current sent by the power supply adapting terminal, the alternating current enters the coil to generate a magnetic field and can charge an internal storage battery, meanwhile, the wireless charging terminal collects the surface temperature of the wireless charging terminal, sends the surface temperature to the remote charging management platform and receives a charging cut-off control instruction fed back by the remote charging management platform to block the storage battery from continuing to supply power to the coil to generate the magnetic field;
the remote charging management platform is used for receiving the temperature abnormal risk coefficient sent by the power supply adaptive terminal and the collected internal and external temperature parameters of the power supply adaptive terminal, screening out a temperature value of which the internal temperature value of the power supply adaptive terminal is greater than the set internal dangerous temperature lower limit and a temperature value of which the external temperature value is greater than the set external dangerous temperature lower limit, comparing the temperature value of which the internal temperature lower limit is greater than the set internal temperature lower limit with the temperature range corresponding to each internal temperature grade Ki, comparing the temperature value of which the external dangerous temperature lower limit is greater than the set external dangerous temperature lower limit with the temperature range corresponding to each external temperature grade Fi, obtaining the accumulated time length of each internal temperature grade and each external temperature grade, receiving the temperature of the surface of the wireless charging terminal sent by the wireless charging terminal, and judging the temperature rise rate of the surface of the wireless charging terminal in each monitoring time, screening the highest temperature of the surface and the temperature rise rates in the first n monitoring time periods reaching the highest temperature, substituting the accumulated time length under each internal temperature level, the accumulated time length under each external temperature level, the abnormal temperature risk coefficient of the current power adapter terminal, the highest temperature of the surface of the wireless charging terminal and the temperature rise rates in the first n monitoring time periods reaching the highest temperature into a power adaptation interception risk model by a remote charging management platform to obtain a continuously adaptive charging risk coefficient, judging whether the continuously adaptive charging risk coefficient is greater than a set safety risk coefficient threshold value or not by the remote charging management platform, and if the continuously adaptive charging risk coefficient is greater than the set safety risk coefficient threshold value, sending a charging interception control instruction to the power adapter terminal or the wireless charging terminal by the remote charging management platform to prevent the mobile phone terminal from being continuously powered;
wherein the power adaptation cutoff risk model is
Wherein eta is a temperature abnormal danger coefficient in the power supply adaptation terminal, the temperature ranges corresponding to the internal temperature levels Ki are all larger than the temperature value of the set internal temperature lower limit, the temperature ranges corresponding to the external temperature levels Fi are all larger than the temperature value of the set external temperature lower limit, e is a natural number, WmaxThe highest temperature of the surface of the wireless charging terminal is W' which is the highest temperature bearable by the mobile phone terminal in a safe charging state, and gamma isFiThe influence proportion coefficient of external temperature grade Fi on the interior of the power adapter is more than 0 and more than gammaFi＜1，gKiIs a weight scale factor corresponding to the internal temperature level Ki, and gK1+gK2+...+gK8＝1，TFiAnd TKiRespectively, the accumulated time corresponding to the outer temperature level Fi and the accumulated time corresponding to the inner temperature level Ki, TFi thresholdAnd TKi thresholdRespectively, a safety accumulated time length threshold corresponding to the outer temperature grade Fi and a safety accumulated time length threshold corresponding to the inner temperature grade Ki, VfIs the temperature rise rate in the f monitoring time period, f is a natural number, VmaxThe highest rate of temperature rise.
2. The remote management system for wireless charging of internet mobile phone according to claim 1, wherein: the power supply adaptation terminal comprises an AC/DC converter, a first inverter, a heating protection unit, an ambient temperature acquisition unit, an internal temperature acquisition unit and an adaptation regulation processing unit, wherein the first inverter is connected with the AC/DC converter through the heating protection unit, and the adaptation regulation processing unit is respectively connected with the heating protection unit, the ambient temperature acquisition unit and the internal temperature acquisition unit;
the AC/DC converter is used for converting commercial alternating current into direct current, the converted direct current is transmitted to the first inverter through the heating protection unit in a conducting state, and the first inverter is used for converting the input converted direct current into alternating current required by the power receiving coil;
the environment temperature acquisition unit is used for acquiring the temperature value of the power supply adaptation terminal in the environment in real time;
the internal temperature acquisition unit is used for acquiring a temperature value in the power supply adaptation terminal in real time;
the adaptation adjusting and processing unit receives the temperature value in the power adaptation terminal sent by the internal temperature acquisition unit and the temperature value in the environment sent by the environment temperature acquisition unit, sequentially screens out the temperature value in the power adaptation terminal which is greater than the lower limit of the set internal dangerous temperature and the temperature value in the external temperature which is greater than the lower limit of the set external dangerous temperature in the single charging process of the mobile phone terminal, counts out the temperature abnormal danger coefficient, judges whether the temperature abnormal danger coefficient is greater than the threshold value of the set temperature abnormal danger coefficient or not, if the temperature abnormal danger coefficient is greater than the threshold value of the temperature abnormal danger coefficient, sends a charging cut-off control instruction to the heating protection unit, and respectively sends the counted temperature abnormal danger coefficient and the detected temperature values in the internal environment and the external environment of the power adaptation terminal to the remote charging management platform, meanwhile, receiving a charging cut-off control instruction sent by the remote charging management platform to the heating protection unit;
the heating protection unit is used for receiving the charging cut-off control instruction sent by the adaptive adjustment processing unit and blocking the communication between the first inverter and the AC/DC converter.
3. The remote management system for wireless charging of internet mobile phone according to claim 2, wherein: the heating protection unit comprises a copper sheet (1), an iron sheet (2), an insulation board (3), an insulation ferrule (4) and an electrified coil (5) connected with the first inverter, the insulation board (3) and the insulation ferrule (4) are respectively fixed on the switch, one end of the insulation board (3) is connected with the insulation ferrule (4) through the copper sheet (1), the other end of the insulation board is connected with the insulation ferrule (4) through the iron sheet (2), the electrified coil (5) is installed on the outer sides of the iron sheet (2) and the copper sheet (1), when the adaptive adjustment processing unit receives a charge cutoff control instruction sent by the remote charge management platform, alternating current is provided for the heating protection unit, after the energizing coil (5) is energized, the iron sheet (2) and the copper sheet (1) are heated and deformed under the action of an energizing magnetic field, and the switch is driven to move towards the iron sheet (2) with a small thermal expansion coefficient, so that the switch is disconnected with the lead.
4. The remote management system for wireless charging of internet mobile phone according to claim 1, wherein: the wireless charging terminal is internally provided with a storage battery, a second inverter, a coil, a storage power supply protection unit, a temperature detection unit and an electric power storage allocation processing unit, the coil is respectively connected with the power supply adapting terminal and the storage power supply protection unit, the storage battery is connected with the second inverter, the second inverter is connected with the coil through the storage power supply protection unit, and the electric power storage allocation processing unit is respectively connected with the storage power supply protection unit and the temperature detection unit;
the temperature detection unit is arranged on the upper surface of the wireless charging terminal and used for collecting the temperature of the mobile phone terminal placed on the wireless charging terminal in the charging process and sending the collected temperature of the mobile phone terminal in the charging process to the electric power storage allocation processing unit;
the electric power storage allocation processing unit is used for extracting the temperature of the mobile phone terminal placed on the wireless charging terminal in the charging process, sending the temperature to the remote charging management platform, and receiving a charging cut-off control instruction sent by the remote charging management platform to carry out power supply blocking control on the storage power supply protection unit;
the storage power supply protection unit receives the charge cut-off control instruction sent by the power storage allocation processing unit, and controls the disconnection of a lead between the second inverter and the coil, so that the situation that the storage battery continues to supply power to the coil to generate a magnetic field is avoided, and further the situation that the mobile phone terminal on the wireless charging terminal continues to be charged is prevented.
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