CN108233501B - Mobile phone wireless charging, interface expansion and intelligent ordering device and control method thereof - Google Patents
Mobile phone wireless charging, interface expansion and intelligent ordering device and control method thereof Download PDFInfo
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Abstract
The invention discloses a wireless charging, interface expanding and intelligent ordering device of a mobile phone and a control method thereof, wherein the device comprises a box body, an auxiliary power supply device, an electric energy transmitting device, a detecting device, a wireless data transmission device, a touch screen device, an intelligent controller and a power supply interface, wherein the auxiliary power supply device is positioned in the box body and used for providing electric energy for the whole device, the electric energy transmitting device is used for transmitting electric energy to the mobile phone, the detecting device is used for detecting charging voltage and charging current signals of the electric energy transmitting device and pressure signals on a mobile phone placing device, and transmitting the detected signals to the intelligent controller, the wireless data transmission device is connected with the touch screen device and is in wireless data butt joint with the mobile phone, the touch screen device is used for inputting and displaying information, the intelligent controller is used for controlling the whole device, the power supply interface is connected with the auxiliary power supply device, and the mobile phone placing device is arranged above the electric energy transmitting device. The invention not only can save the charging time and improve the charging efficiency, but also can prevent the influence of the overcharge current by the coordination control, and can realize the maximum power safe charging of the charging system.
Description
Technical Field
The invention relates to wireless charging, wireless data transmission and intelligent life of a radio technology, in particular to a wireless charging, interface expansion and intelligent ordering device of a mobile phone and a control method thereof.
Background
With the development of the age and the continuous progress of advanced technology, the life style of people is also greatly changed. In the life of people today, wireless charging devices are increasingly used in electric appliances with storage batteries, such as mobile phones, shavers, hand-held electric drills, buses, etc. Conventional wireless chargers in the market only support the mobile phone charging function.
In addition, along with the increase of dining traffic, the traditional ordering operation flow cannot meet the existing requirements in large-scale dining enterprises, and during the peak period of dining, a server cannot grasp the state of a table at any time and cannot rapidly serve customers; in the dining process of customers, the manual transfer of documents wastes time, the working efficiency is low, the labor intensity is high, and the like.
With the development and popularization of intelligent equipment, a plurality of service industries start to popularize intelligent self-service, so that brand new consumption experience is brought to customers, and service efficiency and service quality are also greatly improved. At present, no device integrating self-service ordering, payment, wireless charging and daily use functions exists in the market.
Disclosure of Invention
The invention aims to: in order to solve the defects in the prior art, a wireless charging, interface expansion and intelligent ordering device of a mobile phone and a control method thereof are provided.
The technical scheme is as follows: the invention provides a wireless charging, interface expansion and intelligent ordering device for a mobile phone, which comprises a box body, an auxiliary power supply device, an electric energy transmitting device, a detection device, a wireless data transmission device, a touch screen device, an intelligent controller, a power interface and a mobile phone placing device, wherein the auxiliary power supply device, the electric energy transmitting device, the detection device, the wireless data transmission device, the touch screen device, the intelligent controller and the power interface are arranged in the box body;
one end of the auxiliary power supply device is connected with the power supply interface and is used for providing electric energy for the whole device;
the electric energy transmitting device is used for transmitting electric energy to the mobile phone with the built-in wireless charging device;
the detection device is used for detecting charging voltage and charging current signals of the electric energy transmitting device and pressure signals on the mobile phone placing device, and transmitting the detected signals to the intelligent controller;
the wireless data transmission device is connected with the touch screen device, and is in wireless data butt joint with the mobile phone with the built-in wireless charging device, so that interface data, model data and electric quantity data of the mobile phone with the built-in wireless charging device are obtained, the interface data of the mobile phone are transmitted to the touch screen device, and the model data and the electric quantity data of the mobile phone are transmitted to the intelligent controller; transmitting touch control data of the touch screen device to a mobile phone with a built-in wireless charging device;
The touch screen device is used for inputting and displaying information;
the intelligent controller receives model data from the wireless data transmission device to control the resolution of a display interface of the touch screen device, judges whether an object is placed on the mobile phone placement device or not by receiving a pressure signal of the detection device, calculates by receiving a charging voltage and a current signal of the detection device and receiving mobile phone data information of the wireless data transmission device, and sends a charging control signal to the electric energy transmitting device.
Preferably, the auxiliary power supply device comprises an AC-AC transformation module, a rectifying and filtering module and a buck step-down module; the electric energy transmitting device comprises a driving module and an LC resonance module, wherein the LC resonance module is formed by serially connecting a coil and a capacitor.
Preferably, the detection device comprises a voltage sensor module, a current sensor module and a pressure sensor module, wherein the pressure sensor module is a piezoelectric sensor and is in a standby state at ordinary times, and when the quality of an object is greater than a certain threshold value, the pressure sensor is started and sends a signal to the intelligent controller.
Preferably, the wireless data transmission device has a mode recognition function supporting a vector machine.
Preferably, the touch screen device comprises a mobile phone interface switching button, an ordering interface switching button and a charging setting switching button, and is used for displaying the current charging voltage, current magnitude and the current electric quantity of the mobile phone.
Preferably, the intelligent controller is an intelligent controller based on a fuzzy control algorithm, and the intelligent controller performs fuzzy operation by receiving charging voltage and current signals of the detection device and receiving mobile phone data information of the wireless data transmission device, and sends charging control signals to the electric energy transmitting device.
The invention also provides another wireless charging, interface expansion and intelligent ordering device of the mobile phone, which comprises a box body, an auxiliary power supply device positioned in the box body, an electric energy transmitting device, a detecting device, a wireless data transmission device, a touch screen device, an intelligent controller, a power interface, a mobile phone placing device and an electric energy receiving device, wherein the mobile phone placing device is arranged above the electric energy transmitting device;
one end of the auxiliary power supply device is connected with the power supply interface and is used for providing electric energy for the whole device;
the electric energy transmitting device transmits electric energy to the mobile phone through the electric energy receiving device, and the mobile phone is electrically connected with the electric energy receiving device;
The detection device is used for detecting charging voltage and charging current signals of the electric energy transmitting device and pressure signals on the mobile phone placing device, and transmitting the detected signals to the intelligent controller;
the wireless data transmission device is connected with the touch screen device, and is in wireless data butt joint with the mobile phone at the same time, so that interface data, model data and electric quantity data of the mobile phone are obtained, the interface data of the mobile phone are transmitted to the touch screen device, and the model data and the electric quantity data of the mobile phone are transmitted to the intelligent controller; transmitting touch control data of the touch screen device to the mobile phone;
the touch screen device is used for inputting and displaying information;
the intelligent controller receives model data from the wireless data transmission device to control the resolution of a display interface of the touch screen device, judges whether an object is placed on the mobile phone placement device or not by receiving a pressure signal of the detection device, calculates by receiving a charging voltage and a current signal of the detection device and receiving mobile phone electric quantity data of the wireless data transmission device, and sends a charging control signal to the electric energy emission device.
Preferably, the electric energy receiving device comprises an LC resonance module, a rectifying and filtering module, an overcurrent protection module, a buck synchronous rectifying and voltage reducing module and a controller, wherein the total weight of the electric energy receiving device is less than 100g, and the electric energy receiving device is connected with a mobile phone through a data line.
The invention also provides a control method based on the wireless charging, interface expansion and intelligent ordering device of the mobile phone, which comprises the following steps:
(1) System detection
Judging whether the self-checking is finished, if so, entering the step (2), and if not, resetting and returning to continue the step (1);
(2) Detect whether there is cell-phone to put into cell-phone placer
The pressure sensor module of the detection device generates a pressure signal under the pressure action and transmits the pressure signal to the intelligent controller, the intelligent controller preliminarily judges whether the pressure signal is within the weight range of the mobile phone through the set pressure interval value, if so, a docking instruction is sent to the wireless data transmission device, the step (3) is entered, otherwise, the step (2) is executed again after the mobile phone is placed, and if not, the mobile phone is waited for placement;
(3) Judging whether the butt joint is successful
If the docking is successful, the wireless data transmission device sends the mobile phone model data to the intelligent controller, the intelligent controller sends a mobile phone resolution signal and a connection signal to the touch screen device through logic operation, a mobile phone access inquiry dialog box is popped up on the interface of the touch screen device to prompt whether a screen expansion and wireless charging function is started to enable the mobile phone to be accessed, and step (4) is performed; otherwise, returning to wait for the mobile phone to be placed, and executing the step (2);
(4) Waiting for a customer to confirm a connection
When a client clicks a 'yes' touch screen button, a screen expanding function is started, namely the wireless data transmission device executes a wireless docking function of the mobile phone and the touch screen device, specifically, the wireless data transmission device receives an interface data signal of the mobile phone and sends the interface data signal to the touch screen device, so that a mobile phone picture is displayed on a display page of the touch screen device, the wireless data transmission device receives the touch screen signal of the touch screen device and sends the touch screen signal to the mobile phone, namely, a user controls the mobile phone through an interface of the touch screen device;
meanwhile, the charging device is started, namely the wireless data transmission device sends the electric quantity data of the mobile phone to the intelligent controller, the intelligent controller sends a starting instruction to the electric energy transmitting device, and meanwhile, the intelligent controller reads a mobile phone charging current signal i and a charging voltage signal v sent by the detection device and a mobile phone electric quantity signal sop sent by the wireless data transmission device; step (5) is entered;
otherwise, returning to wait for the mobile phone to be placed, and executing the step (2);
(5) Transmitting control signal u
The intelligent controller performs fuzzy operation on the three input quantities and sends a control signal u to the electric energy transmitting device;
(6) Judging whether the connection is still in the process of
Returning to continue to step (5) if the connection still exists, and entering step (7) if the connection does not exist;
(7) Detecting whether the weight of the mobile phone is normal
If the weight of the mobile phone is still normal, returning to the step (5) to continue, and if the weight of the mobile phone is not normal, judging that the mobile phone is removed, and returning to the step (2).
Further, the fuzzy operation method of the intelligent controller comprises the following steps:
(1) Defining input variables: the detected current electric quantity sop of the mobile phone, the current charging current i and the current charging voltage v. Defining an output variable: a control signal u;
(2) Setting the range of the arguments of the input variables sop, i and v and the output variable u as [ -6,6];
(3) Setting the range of input variables sop, i and v;
(4) According to the formulaConverting the detected input variable into a value in the theory domain, wherein x' represents the converted value of the input variable, x represents the detected value of the input variable, and a and b represent the minimum value and the maximum value of the input variable respectively;
(5) Substituting the value x' converted by the input variable into a triangle membership function to obtain a fuzzy subset of the input variable;
(6) Performing fuzzy reasoning according to the obtained fuzzy subset of the input variable to obtain a fuzzy subset of the output variable;
The fuzzy subset of input variables is designed to be: f (sop) = -F (i) = F (v) = F (u) = { NB, NM, NS, ZE, PS, PM, PB } i.e. the input variable is divided into 7 fuzzy subsets of: positive large (PB), median (PM), positive Small (PS), zero (ZE), negative Small (NS), negative Medium (NM), negative large (NB). Defining the variation range of the current electric quantity sop as [0, 2400mah ], defining the variation range of the current charging current i as [0, 2000ma ], defining the variation range of the current charging voltage v as [0, 2000mv ], and transforming into the standard domain [ -6,6] interval range through the transformation formula (1), wherein when sop=1000 mah, the value corresponding to the standard domain is:
at i=600 mA, the value corresponding to the standard discourse is:
v=1200 mV, the value corresponding to the standard discourse is:
it can be seen that:
μ NS (sop＝1000)＝0.3，μ ZE (sop＝1000)＝0.3 (4)；
μ ZE (i＝600)＝0.2，μ PS (i＝600)＝0.4 (5)；
μ PS (v＝1200)＝0.7 (6)；
wherein mu NS (sop=1000) is the membership of the corresponding fuzzy subset NS, μ at sop=1000 mah ZE 、μ PS And the same is true. The membership degree of NS and ZE is equal when sop=1000 mah, i.e., x ' (1) = -1, i=600 mah, i.e., x ' (2) = 2.4, the membership degree of PS is the largest, v=1200 mV, i.e., x ' (3) = 1.2, the membership degree of PS is the largest, thus completing the blurring process;
(7) And carrying out grade division on the domain of the output variable into 3 grades according to the mapping value of the output variable in the domain obtained by the fuzzy subset of the obtained output variable through the deblurring process, and controlling the duty ratio output according to the grade division, thereby controlling different charging modes.
The beneficial effects are that: compared with the prior art, the invention not only enables the lithium battery to be charged in a safe environment, thereby saving the charging time and improving the charging efficiency, but also prevents the influence of the overcharge current by the coordination control, and can realize the maximum power safe charging of the charging system. The device is in a three-dimensional shape, is embedded in a desk, does not influence the cleanliness of the desk, and can be connected with a power line. The mobile phone interface can be expanded to the device screen through the internal circuit, and a user can not only charge the mobile phone, but also directly operate the device screen to control the mobile phone. The user can also switch to the mobile phone charging interface through the touch screen interface of the touch screen device to set the charging voltage, the current and the target charging electric quantity of the mobile phone charging parameter setting interface. The user can also switch to the ordering interface to order, the system can automatically calculate the price after ordering, and after the customer confirms, the two-dimension code payment can be scanned, and the counter payment can also be directly carried out, so that the function of the device is realized.
Drawings
FIG. 1 is a schematic view of the structure of the device of the present invention;
FIG. 2 is a front view of the device of the present invention;
FIG. 3 is a view of the installation position of the device of the present invention;
FIG. 4 is a block diagram of the apparatus of the present invention;
FIG. 5 is a schematic diagram of an LC resonance module circuit in an electrical energy emitting device of the present invention;
FIG. 6 is a schematic diagram of an oscillating coil;
FIG. 7 is a schematic circuit diagram of an auxiliary power unit of the present invention;
fig. 8 is a schematic circuit diagram of the power receiving device of the present invention;
fig. 9 is a schematic diagram of a wireless charging part of the mobile phone;
FIG. 10 is a flow chart of a method of controlling the apparatus of the present invention;
FIG. 11 is a schematic diagram of a screen saver interface of the present invention;
FIG. 12 is a diagram of wireless charging, interface expansion and charging parameters for a mobile phone;
FIGS. 13a and 13b are schematic views of a cell phone interface of the device of the present invention;
FIG. 14 is a schematic view of a ordering interface of the apparatus of the present invention;
FIG. 15 is a schematic diagram of a mobile phone access interrogation dialog interface of the apparatus of the present invention;
FIG. 16 is a graph of triangle membership functions;
fig. 17 is a graph of an actual plot of a zero power cell phone charged with the device of the present invention.
Detailed Description
The technical scheme of the invention is described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1: as shown in fig. 1-7, the wireless charging, interface expansion and intelligent ordering device for mobile phones provided by the invention mainly comprises: the portable electronic device comprises a box body 1, an auxiliary power supply device 2 positioned in the box body, an electric energy transmitting device 3, a detecting device 4, a wireless data transmission device 5, a touch screen device 6, an intelligent controller device 7 and a power interface 8, and a mobile phone placing device 9 arranged above the electric energy transmitting device. One end of the auxiliary power supply device is respectively connected with the electric energy transmitting device, the detecting device, the wireless data transmission device, the touch screen device and the intelligent controller device, and the other end of the auxiliary power supply device is connected with the power interface and externally connected with 220V alternating current; the intelligent controller device is also respectively connected with the electric energy transmitting device, the detecting device, the wireless data transmission device and the touch screen device; the wireless data transmission device is also connected with the touch screen device and the mobile phone.
The auxiliary power supply device supplies power to the electric energy transmitting device, the detecting device, the wireless data transmission device, the touch screen device and the intelligent controller device respectively.
The detection device comprises a voltage detection device, a current detection device and a pressure detection device. The voltage detection device can adopt a peak detector, a voltage transformer or an AD637 effective value detection module built by an amplifier; the current detection device can adopt a Hall sensor or a current transformer; the pressure detection device may employ a high-precision pressure sensor. And transmitting the detected charging voltage and charging current signals of the electric energy transmitting device and the detected pressure signal f of the mobile phone placement area to the intelligent controller device.
The wireless data transmission device has a mode identification function of a support vector machine, and interface data, model data and electric quantity data of the mobile phone are obtained by carrying out wireless data docking with the mobile phone. On one hand, interface data of the mobile phone are transmitted to the touch screen device; on the other hand, the model data and the electric quantity data of the mobile phone are transmitted to an intelligent controller device; and transmitting touch control data of the touch screen device to the mobile phone, wherein the mobile phone is provided with the built-in wireless charging device.
The intelligent controller device is an intelligent controller based on a fuzzy control algorithm, and can adopt ARM9 series processors or DSP60XX series. The method comprises the steps that model data from a wireless data transmission device are received to control the resolution of a display interface of a touch screen device; judging whether an object is placed in a mobile phone placement area or not by receiving a pressure signal of the detection device; and the charging control signal is sent to the electric energy transmitting device through fuzzy operation of receiving the charging voltage and current signal of the detecting device and receiving the mobile phone electric quantity data of the wireless data transmission device.
As shown in fig. 1 and 2, the mobile phone placement device and the touch screen device cover the auxiliary power supply device, the electric energy emission device, the detection device, the wireless data transmission device and the intelligent controller device in the box body, and the electric energy emission device and the detection device are located below the mobile phone placement device.
As shown in figures 1 and 3, the device is in a three-dimensional shape, is embedded in a desk, does not influence the cleanliness of the desk top, and only needs to be inserted into a 220V power frequency alternating current socket.
Fig. 5 is a schematic diagram of an LC resonance module circuit in the power transmitting device, where C0 is a capacitor, and a schematic diagram of the oscillating coil L0 is shown in fig. 6.
As shown in fig. 7, the auxiliary power device of the device comprises an AC-AC transformation module, a rectifying and filtering module, a buck synchronous rectifying and voltage reducing module and an overcurrent protection module, wherein the overcurrent protection is designed by a relay. The method comprises the following steps:
the AC-AC transformation module consists of a 220V-12V single-phase transformer T1, and is connected with the rectification filter module; the rectification filter module is formed by connecting a passive or active rectification bridge UR1 and an electrolytic capacitor C1 in parallel, and is connected with the overcurrent protection module and the buck synchronous rectification voltage reduction module; the overcurrent protection module is composed of a relay KV1, an triode NPN1, resistors R1 and R2 and the like, the buck synchronous rectification voltage reduction module adopts a synchronous rectification design and is composed of a voltage stabilizing chip LM1, a controller STC1, an IR2104 driver and a buck topology, wherein the voltage stabilizing chip is connected with the rectification filtering module and the overcurrent protection module, the voltage stabilizing chip is connected with the controller, the controller is connected with the IR2104 driver and the buck topology, and the IR2104 driver is connected with the buck topology. The buck synchronous rectification voltage reduction module comprises field effect transistors MOS1 and MOS2, resistors R3 and R4, an inductor L1, an electrolytic capacitor C4, resistors R5 and R6, a triode NPN2, a Schottky diode D1, ceramic chip capacitors C2 and C3, a driver IR2104, a voltage stabilizing chip LM1 and a controller STC 1.
T1 and UR1 are connected in parallel; UR1 is connected in parallel with electrolytic capacitor C1; the high-voltage end of C1 is connected with the input end of LM1 and one end of KV1, and the low-voltage end is connected with the grounding end of LM1, the grounding end of STC1, one end of R6, the grounding end of IR2104, one end of C2, one end of MOS1 and the low-voltage end of C4; the LM1 output end is connected with the STC1 power end, the KV1 end, the NPN2 collector electrode end, the D1 positive end, the IR2104 power end and the C2 end; one end of the MOS2 is connected with KV1, the base electrode end is connected with R3, and the other end is connected with one end of the IR2104, L1 and MOS 1; l1 is connected with the high-pressure end of C4; the base terminal of the MOS1 is connected with R4; r4 is also connected with one end of C3 and IR 2104; one end of STC1 is connected with R1, and the other end is connected with R5; the NPN1 collector terminal is connected with KV1, the base terminal is connected with R1, and the emitter terminal is connected with R2; the NPN2 base terminal is connected with R5, and the emitter terminal is connected with the input terminals of R6 and IR 2104.
In operation, the mobile phone is placed in the mobile phone placement area of the device, and then the pressure sensor module of the detection device of the device generates a pressure signal under the action of pressure. The detection device transmits the detected pressure signal to the intelligent controller device, the intelligent controller device preliminarily judges whether the pressure signal is in the weight range of the mobile phone or not through the set pressure interval value, and if so, the intelligent controller device sends a docking instruction to the wireless data transmission device. If the docking is successful, the wireless data transmission device sends the mobile phone model data to the intelligent controller device, the intelligent controller device sends a mobile phone resolution signal and a connection signal to the touch screen device through logic operation, a mobile phone access inquiry dialog box is popped up on the interface of the touch screen device to prompt whether a screen expansion and wireless charging function is started so as to enable the mobile phone to be accessed. When a client clicks a 'yes' touch screen button, the wireless data transmission device executes a wireless docking function of the mobile phone and the touch screen device, namely, an interface data signal of the mobile phone is received and sent to the touch screen device, namely, a mobile phone picture is displayed on a display page of the device, and meanwhile, the wireless data transmission device receives and sends a touch screen signal of the touch screen device to the mobile phone, namely, the client can control the mobile phone through touching the interface of the touch screen device; meanwhile, the wireless data transmission device sends the electric quantity data sop of the mobile phone to the intelligent controller device, the intelligent controller device sends a starting instruction to the electric energy transmitting device, the detection device sends the detected mobile phone charging current signal i and charging voltage signal v to the intelligent controller device, and the intelligent controller device carries out fuzzy operation on three input quantities of sop, i and v and sends a control signal u to the electric energy transmitting device.
The touch screen device mainly comprises the following functions: the user can operate the mobile phone through the touch screen, including ordering through operating an ordering app built in the mobile phone; the user can switch to the mobile phone charging interface to set the charging voltage, the charging current and the target charging electric quantity of the mobile phone charging parameter setting interface; the user can also switch to the ordering interface to order or call the attendant, the system can automatically calculate the price after ordering, and the customer can sweep the two-dimension code to pay after confirming.
The intelligent controller device of the device is an intelligent controller based on fuzzy logic reasoning and has good robust performance and self-adaption performance.
Example 2: the wireless charging and intelligent ordering device also comprises an electric energy receiving device, and other devices are the same as those in the embodiment 1, and the mobile phone to be connected in the wireless charging and intelligent ordering device is not provided with a built-in wireless charging device.
One end of the auxiliary power supply device is connected with the power interface and is used for providing electric energy for the whole device. The electric energy transmitting device transmits electric energy to the mobile phone through the electric energy receiving device, and the mobile phone is electrically connected with the electric energy receiving device. The detection device is used for detecting the charging voltage and the charging current signals of the electric energy transmitting device and the pressure signals on the mobile phone placing device, and transmitting the detected signals to the intelligent controller. The wireless data transmission device is connected with the touch screen device, and is in wireless data butt joint with the mobile phone at the same time, so that interface data, model data and electric quantity data of the mobile phone are obtained, the interface data of the mobile phone are transmitted to the touch screen device, and the model data and the electric quantity data of the mobile phone are transmitted to the intelligent controller; and transmitting touch control data of the touch screen device to the mobile phone. Touch screen devices are used for the input and display of information. The intelligent controller receives model data from the wireless data transmission device to control the resolution of a display interface of the touch screen device, judges whether an object is placed on the mobile phone placement device or not by receiving a pressure signal of the detection device, calculates by receiving a charging voltage and a current signal of the detection device and receiving mobile phone electric quantity data of the wireless data transmission device, and sends a charging control signal to the electric energy transmitting device.
As shown in fig. 8, the electric energy receiving device includes a receiving end LC resonance module, a rectifying and filtering module, and a buck synchronous rectifying and voltage reducing module, and has an over-current protection function. The LC resonance module is formed by connecting an inductor L and a capacitor C in series, the rectification filter module is formed by connecting a passive or active rectification bridge UR1 and an electrolytic capacitor C1 in parallel, the overcurrent protection module is formed by a relay KV1, a triode NPN1, resistors R1 and R2 and the like, and the buck synchronous rectification module is formed by field effect transistors MOS1 and MOS2, resistors R3 and R4, an inductor L1, an electrolytic capacitor C4, resistors R5 and R6, a triode NPN2, a Schottky diode D1, ceramic chip capacitors C2 and C3, a driver IR2104, a voltage stabilizing chip LM1 and a controller STC 1. The LC resonance module is connected with the rectification filter module, the rectification filter module is connected with the overcurrent protection module and the buck synchronous rectification step-down module, and the overcurrent protection module is connected with the buck synchronous rectification step-down module.
The LC resonance module is connected with the UR1 in parallel; UR1 is connected in parallel with electrolytic capacitor C1; the high-voltage end of C1 is connected with the input end of LM1 and one end of KV1, and the low-voltage end is connected with the grounding end of LM1, the grounding end of STC1, one end of R6, the grounding end of IR2104, one end of C2, one end of MOS1 and the low-voltage end of C4; the LM1 output end is connected with the STC1 power end, the KV1 end, the NPN2 collector electrode end, the D1 positive end, the IR2104 power end and the C2 end; one end of the MOS2 is connected with KV1, the base electrode end is connected with R3, and the other end is connected with one end of the IR2104, L1 and MOS 1; l1 is connected with the high-pressure end of C4; the base terminal of the MOS1 is connected with R4; r4 is also connected with one end of C3 and IR 2104; one end of STC1 is connected with R1, and the other end is connected with R5; the NPN1 collector terminal is connected with KV1, the base terminal is connected with R1, and the emitter terminal is connected with R2; the NPN2 base terminal is connected with R5, and the emitter terminal is connected with the input terminals of R6 and IR 2104.
Fig. 9 is a schematic structural diagram of a wireless charging portion of a mobile phone, where the wireless charging portion of the mobile phone includes an auxiliary power device, an electric energy transmitting device, a detecting device, an intelligent controller device, a touch screen device and an electric energy receiving device. The electric energy receiving device can be the electric energy receiving device provided by the invention, and can also be the electric energy receiving device of any mobile phone capable of being charged infinitely. The auxiliary power supply device comprises an AC-AC transformation module, a rectifying and filtering module and a buck step-down module, the electric energy transmitting device comprises a driving module and an LC resonance module, the detecting device comprises a voltage detecting module, a current detecting module and a pressure detecting module, and the electric energy receiving device provided by the invention comprises the LC resonance module, the rectifying and filtering module, an overcurrent protection module, the buck synchronous rectifying and step-down module and a controller.
The AC-AC voltage transformation is connected with the power interface and the rectifying and filtering module, the rectifying and filtering module is also connected with the buck voltage reducing module, and the 220V alternating current commercial power is changed into 12V direct current and 5V direct current after passing through the power interface and the auxiliary power supply device; the buck step-down module is also connected with the driving module, the intelligent controller device, the touch screen device and the detection device, and supplies power for the buck step-down module; the intelligent controller device is also connected with the touch screen device, the detection device and the driving module, the detection device sends v and i signals to the intelligent controller device, the intelligent controller device sends a mobile phone resolution signal, whether the mobile phone resolution signal is connected with the touch screen device or not, and the intelligent controller device sends a control signal u to the driving module; the driving module is also connected with the LC resonance module, the voltage detection module and the current detection module, and converts direct current of the buck voltage reduction module into alternating current, and converts the alternating current into wireless electromagnetic waves through the LC resonance module to be sent to the LC resonance module of the electric energy receiving device; the LC resonance module in the electric energy receiving device is connected with the rectifying and filtering module, the rectifying and filtering module is further connected with the buck voltage reducing module, the buck voltage reducing module is further connected with the current and voltage detecting module and the controller, the current and voltage detecting module is connected with the controller, the LC resonance module receives wireless electromagnetic waves and converts the wireless electromagnetic waves into alternating currents, the alternating currents are converted into direct currents through the rectifying and filtering module, the direct currents are converted into stable 5v direct currents through the buck voltage reducing module, the 5v direct currents supply power for the current and voltage detecting module and the controller, and the current and voltage detecting module detects voltage and current signals of the electric energy receiving device and sends the voltage and current signals to the controller.
The electric energy transmitting device transmits electric energy to the electric energy receiving device, the total weight of the electric energy receiving device is less than 100g, and the electric energy receiving device is connected with the mobile phone through a data line.
The touch screen device mainly comprises the following functions: the user can operate the mobile phone through the touch screen, including ordering through operating an ordering app built in the mobile phone; the user can switch to the mobile phone charging interface to set the charging voltage, the charging current and the target charging electric quantity of the mobile phone charging parameter setting interface; the user can also switch to the ordering interface to order or call the attendant, the system can automatically calculate the price after ordering, and the customer can sweep the two-dimension code to pay after confirming.
The invention also provides a control method based on the wireless charging and intelligent ordering device, as shown in fig. 10-17, the method comprises the following steps:
(1) System detection
Judging whether the self-checking is finished or not, and if so, entering the step (2); if the self-test is not completed, resetting and continuing the step (1).
(2) Detect whether there is cell-phone to put into cell-phone placer
The pressure sensor module of the detection device generates a pressure signal under the action of pressure and transmits the pressure signal to the intelligent controller. And (3) the intelligent controller preliminarily judges whether the pressure interval value is within the weight range of the mobile phone through the set pressure interval value [ N, N ], if so, a docking instruction is sent to the wireless data transmission device, and the step (3) is entered. Otherwise, returning to wait for the mobile phone to be placed, and executing the step (2) again.
(3) Judging whether the butt joint is successful
If the docking is successful, the wireless data transmission device sends the mobile phone model data to the intelligent controller, the intelligent controller sends a mobile phone resolution signal and a connection signal to the touch screen device through logic operation, a mobile phone access inquiry dialog box is popped up on the interface of the touch screen device to prompt whether a screen expansion and wireless charging function is started to enable the mobile phone to be accessed, and step (4) is performed. Otherwise, returning to wait for the mobile phone to be placed, and executing the step (2).
(4) Waiting for a customer to confirm a connection
And after clicking the 'yes' touch screen button, starting a screen expanding function, namely the wireless data transmission device executes a wireless docking function of the mobile phone and the touch screen device. Specifically, the wireless data transmission device receives an interface data signal of the mobile phone and sends the interface data signal to the touch screen device, so that a mobile phone picture is displayed on a display page of the touch screen device. And the wireless data transmission device receives a touch screen signal of the touch screen device and sends the touch screen signal to the mobile phone, namely, a user controls the mobile phone through an interface of the touch screen device.
Meanwhile, the charging device is started, namely the wireless data transmission device sends the electric quantity data of the mobile phone to the intelligent controller, the intelligent controller sends a starting instruction to the electric energy transmitting device, and meanwhile the intelligent controller reads the mobile phone charging current signal i and the charging voltage signal v sent by the detection device and the mobile phone electric quantity signal sop sent by the wireless data transmission device. Step (5) is entered.
Otherwise, returning to wait for the mobile phone to be placed, and executing the step (2).
(5) Transmitting control signal u
The intelligent controller performs fuzzy operation on the three input quantities and sends a control signal u to the electric energy transmitting device.
(6) Judging whether the connection is still in the process of
If the connection still exists, the process returns to continue to the step (5), and if the connection does not exist, the process proceeds to the step (7).
(7) Detecting whether the weight of the mobile phone is normal
If the weight of the mobile phone is still normal, returning to the step (5) to continue, and if the weight of the mobile phone is not normal, judging that the mobile phone is removed, and returning to the step (2).
When the mobile phone is used, the mobile phone is placed in the mobile phone placement area of the device, and then the pressure sensor module of the detection device of the device generates a pressure signal under the pressure action. The detection device transmits the detected pressure signal to the intelligent controller device, the intelligent controller device preliminarily judges whether the pressure signal is in the weight range of the mobile phone or not through the set pressure interval value, and if so, the intelligent controller device sends a docking instruction to the wireless data transmission device. If the docking is successful, the wireless data transmission device sends the mobile phone model data to the intelligent controller device, the intelligent controller device sends a mobile phone resolution signal and a connection signal to the touch screen device through logic operation, a mobile phone access inquiry dialog box is popped up on the interface of the touch screen device to prompt whether a screen expansion and wireless charging function is started so as to enable the mobile phone to be accessed. When a client clicks a 'yes' touch screen button, the wireless data transmission device executes a wireless docking function of the mobile phone and the touch screen device, namely, an interface data signal of the mobile phone is received and sent to the touch screen device, namely, a mobile phone picture is displayed on a display page of the device, and meanwhile, the wireless data transmission device receives and sends a touch screen signal of the touch screen device to the mobile phone, namely, the client can control the mobile phone through touching the interface of the touch screen device; meanwhile, the wireless data transmission device sends the electric quantity data sop of the mobile phone to the intelligent controller device, the intelligent controller device sends a starting instruction to the electric energy transmitting device, the detection device sends the detected mobile phone charging current signal i and charging voltage signal v to the intelligent controller device, and the intelligent controller device carries out fuzzy operation on three input quantities of sop, i and v and sends a control signal u to the electric energy transmitting device.
The specific method for the intelligent controller device to perform fuzzy operation on three input quantities of sop, i and v and send a control signal u to the electric energy transmitting device 2 comprises the following steps:
step 1: defining input variables: the detected current electric quantity sop of the mobile phone, the current charging current i and the current charging voltage v. Defining an output variable: a control signal u;
step 2: setting the range of the arguments of the input variables sop, i and v and the output variable u as [ -6,6];
step 3: setting the range of input variables sop, i and v;
step 4: according to the formulaConverting the detected input variable into a value in the theory domain, wherein x' represents the converted value of the input variable, x represents the detected value of the input variable, and a and b represent the minimum value and the maximum value of the input variable respectively;
step 5: substituting the value x' converted by the input variable into a triangle membership function to obtain a fuzzy subset of the input variable;
as shown in fig. 16, the input variables are attached to the membership degrees of each fuzzy subset, and the membership functions are triangle membership functions.
Step 6: performing fuzzy reasoning according to the obtained fuzzy subset of the input variable to obtain a fuzzy subset of the output variable;
the fuzzy subset of input variables is designed to be: f (sop) = -F (i) = F (v) = F (u) = { NB, NM, NS, ZE, PS, PM, PB } i.e. the input variable is divided into 7 fuzzy subsets of: positive large (PB), median (PM), positive Small (PS), zero (ZE), negative Small (NS), negative Medium (NM), negative large (NB). Defining the variation range of the current electric quantity sop as [0, 2400mah ], defining the variation range of the current charging current i as [0, 2000ma ], defining the variation range of the current charging voltage v as [0, 2000mv ], and transforming into the standard domain [ -6,6] interval range through the transformation formula (1), wherein when sop=1000 mah, the value corresponding to the standard domain is:
At i=600 mA, the value corresponding to the standard discourse is:
v=1200 mV, the value corresponding to the standard discourse is:
as can be seen from fig. 16:
μ NS (sop＝1000)＝0.3，μ ZE (sop＝1000)＝0.3 (4)；
μ ZE (i＝600)＝0.2，μ PS (i＝600)＝0.4 (5)；
μ PS (v＝1200)＝0.7 (6)；
wherein mu NS (sop=1000) is the membership of the corresponding fuzzy subset NS, μ at sop=1000 mah ZE 、μ PS And the same is true. The membership to NS and ZE is equal when sop=1000 mah, i.e., x ' (1) = -1, i=600 mah, i.e., x ' (2) = 2.4, and the membership to PS is the largest, v=1200 mV, i.e., x ' (3) = 1.2, and the membership to PS is the largest, thus completing the blurring process.
Step 7: and carrying out grade division on the domain of the output variable into 3 grades according to the mapping value of the output variable in the domain obtained by the fuzzy subset of the obtained output variable through the deblurring process, and controlling the duty ratio output according to the grade division, thereby controlling different charging modes.
The control rules are defined as follows:
(1)if sop is NB
(2)if sop is NM
(3)if sop is NS
(4)if sop is ZE
(5)if sop is PS
(6)if sop is PM
(7)if sop is PB
taking the input quantity x ' (1) = -1, x ' (2) = -2.4, x ' (3) = 1.2 as an example, the fuzzy reasoning and defuzzification process is described, and the membership degree of the input quantity is already obtained in the fuzzy process, as shown in formulas (4), (5) and (6). The 7 tables show that the following rules are valid and the other control rules are invalid.
(1)if sop is ZE and i is PS and v is ZE then u is PS
(2)if sop is ZE and i is PS and v is PS then u is PS
Calculating an output fuzzy set U according to a fuzzy reasoning algorithm of L.A. Zadeh PS By weighted averaging
The deblurring yields an output=y value.
The controller output variables are divided into three classes: the controller sends out corresponding control signals according to the grade to which the output variable belongs.
Grade one: -6.ltoreq.y <4
Grade two: y is more than or equal to 4 and less than or equal to 6
Grade three: y=6
Grade one: the charger carries out constant current charging, class II: the charger performs constant voltage charging, class III: the charger stops charging.
As shown in fig. 17, the charge amount rises approximately linearly in the constant current stage, and the maximum power can be safely charged.
The invention provides a more advanced wireless charging and intelligent ordering device for a mobile phone, which is suitable for service industries of restaurants, kendel, hotel rooms and the like, a user can directly place the mobile phone on a wireless charging sensing plane on a desktop, after a pressure sensor of the sensing plane detects that the device is connected, a system automatically executes a docking program, and at the moment, a touch screen can prompt whether to enable a screen expanding function to enable the mobile phone to be connected. When the customer passes the authorization, the intelligent controller can identify the model of the mobile phone through the sensing device to adjust the resolution, so that the picture of the mobile phone is displayed on the display page of the device. The user can set the charging voltage, current and target charging capacity of the mobile phone by operating the mobile phone through a pull-down option or by operating the touch screen. The touch screen can order food and automatically settle accounts, and the user can sweep the two-dimension code to pay.
The wireless charging and interface expansion and intelligent ordering device of the mobile phone provided by the method can be directly applied to a school library, and the touch screen can search and find the latest activities of the school library. After the restaurant is put into use, customers can be attracted well, the charging inconvenience is solved for the customers, a great propaganda effect is also achieved for the restaurant, and a new sign for the travel industry is opened up.
Claims (6)
1. The wireless charging, interface expansion and intelligent ordering device for the mobile phone is characterized by comprising a box body (1), an auxiliary power supply device (2), an electric energy transmitting device (3), a detecting device (4), a wireless data transmission device (5), a touch screen device (6), an intelligent controller (7) and a power interface (8), and a mobile phone placing device (9) arranged above the electric energy transmitting device;
one end of the auxiliary power supply device is connected with the power supply interface and is used for providing electric energy for the whole device; the auxiliary power supply device comprises an AC-AC transformation module, a rectifying and filtering module and a buck step-down module;
the electric energy transmitting device is used for transmitting electric energy to the mobile phone with the built-in wireless charging device; the electric energy transmitting device comprises a driving module and an LC resonance module, wherein the LC resonance module is formed by connecting a coil and a capacitor in series;
The detection device is used for detecting charging voltage and charging current signals of the electric energy transmitting device and pressure signals on the mobile phone placing device, and transmitting the detected signals to the intelligent controller; the detection device comprises a voltage sensor module, a current sensor module and a pressure sensor module; the pressure sensor module is a piezoelectric sensor and is in a standby state at ordinary times, and when the quality of an object is greater than a certain threshold value, the pressure sensor is started and sends a signal to the intelligent controller;
the wireless data transmission device is connected with the touch screen device, and is in wireless data butt joint with the mobile phone with the built-in wireless charging device, so that interface data, model data and electric quantity data of the mobile phone with the built-in wireless charging device are obtained, the interface data of the mobile phone are transmitted to the touch screen device, and the model data and the electric quantity data of the mobile phone are transmitted to the intelligent controller; transmitting touch control data of the touch screen device to a mobile phone with a built-in wireless charging device;
the touch screen device is used for inputting and displaying information, comprises a mobile phone interface switching button, a meal ordering interface switching button and a charging setting switching button, and is used for displaying the current charging voltage, current and the current electric quantity of the mobile phone;
The intelligent controller receives model data from the wireless data transmission device to control the resolution of a display interface of the touch screen device, judges whether an object is placed on the mobile phone placement device or not by receiving a pressure signal of the detection device, calculates by receiving a charging voltage and a current signal of the detection device and receiving mobile phone data information of the wireless data transmission device, and sends a charging control signal to the electric energy emission device; the intelligent controller is an intelligent controller based on a fuzzy control algorithm, and the intelligent controller carries out fuzzy operation by receiving charging voltage and current signals of the detection device and receiving mobile phone data information of the wireless data transmission device, and sends charging control signals to the electric energy transmitting device.
2. The wireless charging, interface expansion and intelligent ordering device for mobile phones according to claim 1, wherein the wireless data transmission device has a mode recognition function of a support vector machine.
3. The wireless charging, interface expansion and intelligent ordering device for the mobile phone is characterized by comprising a box body (1), an auxiliary power supply device (2), an electric energy transmitting device (3), a detecting device (4), a wireless data transmission device (5), a touch screen device (6), an intelligent controller (7), a power interface (8), a mobile phone placing device (9) and an electric energy receiving device, wherein the auxiliary power supply device (2), the electric energy transmitting device (3), the detecting device (4), the wireless data transmission device (5), the touch screen device (6), the intelligent controller (7), the power interface (8) and the mobile phone placing device (9) are arranged above the electric energy transmitting device;
One end of the auxiliary power supply device is connected with the power supply interface and is used for providing electric energy for the whole device; the auxiliary power supply device comprises an AC-AC transformation module, a rectifying and filtering module and a buck step-down module;
the electric energy transmitting device transmits electric energy to the mobile phone through the electric energy receiving device, and the mobile phone is electrically connected with the electric energy receiving device; the electric energy transmitting device comprises a driving module and an LC resonance module, wherein the LC resonance module is formed by connecting a coil and a capacitor in series;
the detection device is used for detecting charging voltage and charging current signals of the electric energy transmitting device and pressure signals on the mobile phone placing device, and transmitting the detected signals to the intelligent controller; the detection device comprises a voltage sensor module, a current sensor module and a pressure sensor module; the pressure sensor module is a piezoelectric sensor and is in a standby state at ordinary times, and when the quality of an object is greater than a certain threshold value, the pressure sensor is started and sends a signal to the intelligent controller;
the wireless data transmission device is connected with the touch screen device, and is in wireless data butt joint with the mobile phone at the same time, so that interface data, model data and electric quantity data of the mobile phone are obtained, the interface data of the mobile phone are transmitted to the touch screen device, and the model data and the electric quantity data of the mobile phone are transmitted to the intelligent controller; transmitting touch control data of the touch screen device to the mobile phone;
The touch screen device is used for inputting and displaying information, comprises a mobile phone interface switching button, a meal ordering interface switching button and a charging setting switching button, and is used for displaying the current charging voltage, current and the current electric quantity of the mobile phone;
the intelligent controller receives model data from the wireless data transmission device to control the resolution of a display interface of the touch screen device, judges whether an object is placed on the mobile phone placement device or not by receiving a pressure signal of the detection device, calculates by receiving a charging voltage and a current signal of the detection device and receiving mobile phone electric quantity data of the wireless data transmission device, and sends a charging control signal to the electric energy emission device; the intelligent controller is an intelligent controller based on a fuzzy control algorithm, and the intelligent controller carries out fuzzy operation by receiving charging voltage and current signals of the detection device and receiving mobile phone data information of the wireless data transmission device, and sends charging control signals to the electric energy transmitting device.
4. The wireless charging, interface expansion and intelligent ordering device for a mobile phone according to claim 3, wherein the electric energy receiving device comprises an LC resonance module, a rectifying and filtering module, an overcurrent protection module, a buck synchronous rectifying and voltage reducing module and a controller, wherein the total weight of the electric energy receiving device is less than 100g, and the electric energy receiving device is connected with the mobile phone through a data line.
5. A control method for a wireless charging, interface expansion and intelligent ordering device based on a mobile phone according to any one of claims 1-4, which is characterized by comprising the following steps:
(1) System detection
Judging whether the self-checking is finished, if so, entering the step (2), and if not, resetting and returning to continue the step (1);
(2) Detect whether there is cell-phone to put into cell-phone placer
The pressure sensor module of the detection device generates a pressure signal under the pressure action and transmits the pressure signal to the intelligent controller, the intelligent controller preliminarily judges whether the pressure signal is within the weight range of the mobile phone through the set pressure interval value, if so, a docking instruction is sent to the wireless data transmission device, the step (3) is entered, otherwise, the step (2) is executed again after the mobile phone is placed, and if not, the mobile phone is waited for placement;
(3) Judging whether the butt joint is successful
If the docking is successful, the wireless data transmission device sends the mobile phone model data to the intelligent controller, the intelligent controller sends a mobile phone resolution signal and a connection signal to the touch screen device through logic operation, a mobile phone access inquiry dialog box is popped up on the interface of the touch screen device to prompt whether a screen expansion and wireless charging function is started to enable the mobile phone to be accessed, and step (4) is performed; otherwise, returning to wait for the mobile phone to be placed, and executing the step (2);
The touch screen device comprises a mobile phone interface switching button, an ordering interface switching button and a charging setting switching button, and is used for displaying the current charging voltage, current magnitude and the current electric quantity of the mobile phone;
(4) Waiting for a customer to confirm a connection
When a client clicks a 'yes' touch screen button, a screen expanding function is started, namely the wireless data transmission device executes a wireless docking function of the mobile phone and the touch screen device, specifically, the wireless data transmission device receives an interface data signal of the mobile phone and sends the interface data signal to the touch screen device, so that a mobile phone picture is displayed on a display page of the touch screen device, the wireless data transmission device receives the touch screen signal of the touch screen device and sends the touch screen signal to the mobile phone, namely, a user controls the mobile phone through an interface of the touch screen device;
meanwhile, the charging device is started, namely the wireless data transmission device sends the electric quantity data of the mobile phone to the intelligent controller, the intelligent controller sends a starting instruction to the electric energy transmitting device, and meanwhile, the intelligent controller reads a mobile phone charging current signal i and a charging voltage signal v sent by the detection device and a mobile phone electric quantity signal sop sent by the wireless data transmission device; step (5) is entered;
otherwise, returning to wait for the mobile phone to be placed, and executing the step (2);
(5) Transmitting control signal u
The intelligent controller performs fuzzy operation on the three input quantities and sends a control signal u to the electric energy transmitting device;
(6) Judging whether the connection is still in the process of
Returning to continue to step (5) if the connection still exists, and entering step (7) if the connection does not exist;
(7) Detecting whether the weight of the mobile phone is normal
If the weight of the mobile phone is still normal, returning to the step (5) to continue, and if the weight of the mobile phone is not normal, judging that the mobile phone is removed, and returning to the step (2).
6. The control method of the wireless charging, interface expansion and intelligent ordering device of the mobile phone according to claim 5, wherein the fuzzy operation method of the intelligent controller comprises the following steps:
(1) Defining input variables: the detected current electric quantity sop of the mobile phone, the current charging current i and the current charging voltage v; defining an output variable: a control signal u;
(2) Setting the range of the arguments of the input variables sop, i and v and the output variable u as [ -6,6];
(3) Setting the range of input variables sop, i and v;
(4) According to the formulaTo detect the inputConverting the input variable into a value in a theoretical domain, wherein x' represents the value of the converted input variable, x represents the detection value of the input variable, and a and b represent the minimum value and the maximum value of the input variable respectively;
(5) Substituting the value x' converted by the input variable into a triangle membership function to obtain a fuzzy subset of the input variable;
(6) Performing fuzzy reasoning according to the obtained fuzzy subset of the input variable to obtain a fuzzy subset of the output variable;
the fuzzy subset of input variables is designed to be: f (sop) = -F (i) = F (v) = F (u) = { NB, NM, NS, ZE, PS, PM, PB } i.e. the input variable is divided into 7 fuzzy subsets of: positive large (PB), median (PM), positive Small (PS), zero (ZE), negative Small (NS), negative Medium (NM), negative large (NB); defining the variation range of the current electric quantity sop as [0, 2400mah ], defining the variation range of the current charging current i as [0, 2000ma ], defining the variation range of the current charging voltage v as [0, 2000mv ], and transforming into the standard domain [ -6,6] interval range through the transformation formula (1), wherein when sop=1000 mah, the value corresponding to the standard domain is:
at i=600 mA, the value corresponding to the standard discourse is:
v=1200 mV, the value corresponding to the standard discourse is:
it can be seen that:
μ NS (sop＝1000)＝0.3， μ ZE (sop＝1000)＝0.3 (4)；
μ ZE (i＝600)＝0.2， μ PS (i＝600)＝0.4 (5)；
μ PS (v＝1200)＝0.7 (6)；
wherein mu NS (sop=1000) is the membership of the corresponding fuzzy subset NS, μ at sop=1000 mah ZE 、μ PS And the same is done; the membership degree of NS and ZE is equal when sop=1000 mah, i.e., x ' (1) = -1, i=600 mah, i.e., x ' (2) = 2.4, the membership degree of PS is the largest, v=1200 mV, i.e., x ' (3) = 1.2, the membership degree of PS is the largest, thus completing the blurring process;
(7) And carrying out grade division on the domain of the output variable into 3 grades according to the mapping value of the output variable in the domain obtained by the fuzzy subset of the obtained output variable through the deblurring process, and controlling the duty ratio output according to the grade division, thereby controlling different charging modes.
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