Summary of the invention
It is a kind of based on being applied to various mobile phones that technical problem of the present invention will provide, and cheaply, need not to change mobile phone original structure, portable radio frequency read-write assembly.
In order to solve above technical problem, the invention provides a kind of portable radio frequency read-write assembly for mobile phone, mobile phone and radio frequency read-write assembly be separates, independently install each other, radio frequency read-write assembly uses as the Function Extension spare of mobile phone, and both nationalitys help USB or serial ports or 1394 multiple interfaces communications.After both were connected, radio frequency read-write assembly energy automatic identification mobile phone model was set up corresponding communication and is connected, and reads and writes assembly work by mobile phone control.Wherein, radio frequency read-write assembly is provided with radio frequency module for reading and writing, communication management module, power management module.
The communication management module is carried out physical connection by USB or serial ports or 1394 various connected modes and mobile phone, when using serial ports to connect, adopts the standard serial port agreement to carry out communication between assembly and the mobile phone; When using the USB pattern to connect, assembly is by USB holotype control chip, for the USB in the mobile phone provides 5V voltage from the pattern chip, USB in the driving mobile phone is from the pattern chip operation, USB in the mobile phone is behind the pattern chip enable, can send out by the D+/D-of USB the flag information of mobile phone, the information that assembly returns from the pattern chip by analyzing mobile phone USB, just can obtain the version information of mobile phone, the mutual identification of realization and mobile phone, according to the activation bit storehouse in the assembly, obtain the communications protocol that mobile phone is supported, set up the communication mode corresponding with mobile phone 1.At the other end, the communication management module is carried out communication by serial mode and less radio-frequency RFID module for reading and writing, the command information of mobile phone is passed to less radio-frequency RFID module for reading and writing, and operating result or label information are returned to mobile phone.
Preferably, described communication management module can be identified the mobile phone that connects automatically, and serial ports, USB, the multiple communication modes such as 1394 are provided.
Power management module comprises one or more built-in rechargeable battery, for radio frequency read-write assembly provides supply of electric power; Simultaneously, as required, the handset port of reading and writing assembly by less radio-frequency carries out charging operations to mobile phone.
Preferably, described power management module can the various powering modes of automatic discrimination, according to different activation bits, except for less radio-frequency RFID module for reading and writing provides electric power, being cell-phone charging simultaneously;
The radio frequency module for reading and writing is for different application, can select the less radio-frequency RFID module for reading and writing of one or more frequency ranges, less radio-frequency RFID module for reading and writing is after receiving the mobile phone instruction that the communication management module sends, by less radio-frequency RFID antenna, the operation that mobile phone is finished inquiry, identifies, reads and write less radio-frequency RFID label.
Preferably, described less radio-frequency RFID module for reading and writing adopts the less radio-frequency RFID module for reading and writing of low-power consumption, to reduce power consumption, extends working time.
Preferably, described less radio-frequency RFID module for reading and writing adopts directed less radio-frequency RFID read-write antenna, guarantees the readwrite performance that under low-power consumption mode one party is made progress.
Described less radio-frequency read-write assembly is made the dorsal clamp type structure, and nationality helps USB or serial ports or 1394 interfaces, connects mobile communication and is clipped in the back of mobile phone.
The less radio-frequency of described dorsal clamp type structure read-write assembly is used for hyper band, and assembly is provided with module for reading and writing, communication management module, power management module, ultra-high frequency antenna and battery, is provided with the interface that is connected with mobile phone in the projection of back clip structure one end.
Described radio frequency read-write assembly is made a box-shaped structure, connects USB or serial ports or 1394 interface sockets and mobile phone connecting communication by cable.
The radio frequency read-write assembly of described box-shaped structure is used for high-frequency band, and assembly is provided with module for reading and writing, communication management module, power management module, high frequency antenna and battery, is provided with USB or serial ports or 1394 interface sockets in box one side.
Superior effect of the present invention is:
1. the present invention's energy automatic identification mobile phone type is set up corresponding connection mechanism, therefore only needs conversion less radio-frequency RFID to read and write the Interface Shape of assembly, can directly be connected with various mobile phones easily, and for mobile phone provides less radio-frequency RFID read-write, and charge function;
2. effectively less radio-frequency RFID read-write assembly and mobile phone are integrated, so that less radio-frequency RFID read-write assembly can share man-machine interface and the message handler of mobile phone, thereby reduced the cost of less radio-frequency RFID read-write assembly, improved the portability of less radio-frequency RFID read-write assembly;
3. the present invention can be used as the external assembly use of mobile phone, need not to destroy cell phone appearance, can not affect mobile phone self functions of modules.
Embodiment
See also shown in the accompanying drawing, the invention will be further described.
The objective of the invention is to delete module identical with function in the mobile phone in the portable read-write machine, communication, the powering mode of optimization and mobile phone reduce the read-write power consumption, to reach the purpose that reduces cost, volume and weight.
As shown in Figure 1, the invention provides a kind of portable radio frequency read-write assembly for mobile phone, mobile phone 1 and radio frequency read-write assembly 2 both be separates, independently install each other, radio frequency read-write assembly 2 uses as the Function Extension spare of mobile phone 1, and both nationalitys help USB or serial ports or 3 communications of 1394 multiple interfaces.After both were connected, radio frequency read-write assembly energy automatic identification mobile phone model was set up corresponding communication and is connected, and reads and writes assembly 2 work by mobile phone 1 control.Wherein, radio frequency read-write assembly 2 is provided with radio frequency module for reading and writing 201, communication management module 202, power management module 203.
The concrete function of each module is as follows:
Communication management module 202 is carried out physical connection by USB or serial ports or 1394 various connected modes and mobile phone 1, when using serial ports to connect, adopts the standard serial port agreement to carry out communication between assembly and the mobile phone; When using the USB pattern to connect, by the USB holotype control chip in the module, for the USB in the mobile phone 1 provides 5V voltage from the pattern chip, USB in the driving mobile phone 1 is from the pattern chip operation, USB in the mobile phone is behind the pattern chip enable, can send out by the D+/D-of USB the flag information of mobile phone, such as production firm, mobile phone model, the data such as software version, the information that assembly returns from the pattern chip by analyzing mobile phone USB, just can obtain the version information of mobile phone 1, realize and the mutual identification of mobile phone 1, according to the activation bit storehouse in the assembly, the communication mode that foundation and mobile phone 1 are corresponding.Carry out communication by serial mode and less radio-frequency RFID module for reading and writing 201, the command information of mobile phone 1 is passed to less radio-frequency RFID module for reading and writing 201, and operating result or label information are returned to mobile phone 1.
Power management module 203 comprises one or more built-in rechargeable battery, when with the electric source modes of determining assembly after mobile phone is connected by the voltage of differentiating cellular phone power supplies pin and external power supply pin, do not having in the situation of external power supply, to 201 power supplies of less radio-frequency RFID module for reading and writing, start less radio-frequency RFID module for reading and writing 201 with battery; Simultaneously, as required, 3 pairs of mobile phones of handset port 1 of reading and writing assembly 2 by less radio-frequency carry out charging operations.
For different application, less radio-frequency RFID module for reading and writing can be comprised of the less radio-frequency RFID module for reading and writing 201 of one or more frequency ranges, less radio-frequency RFID module for reading and writing 201 is after receiving mobile phone 1 control command that communication management module 202 sends, by the information in the less radio-frequency RFID antenna read-write RFID label, and the result is transferred to mobile phone 1 by communication management module 202, thereby realize the operation that 1 couple of less radio-frequency RFID of mobile phone label is finished inquiry, identifies, reads and write.
Preferably, described communication management module 202 can be identified the mobile phone 1 that connects automatically, and serial ports, USB, the multiple communication modes such as 1394 are provided.
Preferably, described power management module 203 can the various powering modes of automatic discrimination, except for less radio-frequency RFID module for reading and writing 201 provides electric power, can be mobile phone 1 charging simultaneously;
Preferably, described less radio-frequency RFID module for reading and writing 201 adopts the less radio-frequency RFID module for reading and writing of low-power consumption, to reduce power consumption, extends working time.
Preferably, described less radio-frequency RFID module for reading and writing 201 adopts directed less radio-frequency RFID read-write antenna, guarantees the readwrite performance that under low-power consumption mode one party is made progress.
In order to improve the communication efficiency of module and mobile phone 1, communication management module 202 can also be added data storage elements, and the data that module obtains are carried out the redundancy processing, perhaps the control command of module for reading and writing is carried out secondary encapsulation, to improve applicability of the present invention.
Shown in Fig. 2 workflow diagram of the present invention, the program circuit of assembly is as follows:
1) when the external interface of radio frequency read-write assembly 2 with after mobile phone 1 links to each other, judge that radio frequency reads and writes the external interface of assembly 2 whether signal is arranged, go on foot if no signal then turns the 1st;
2) signal condition being arranged, judge whether it is that serial ports connects, is then to adopt the standard serial port pattern; If USB connects, then the USB holotype control chip of communication management module 202 applies 5V voltage in the power pins of USB, drive the USB of mobile phone from chip operation, and read a series of data from USBD+/D-and be used for to confirm the cell phone apparatus feature, such as vendor ID, product ID, interface working method, the parameters such as power consumption;
3) communication management module 202 is by the parameter comparison activation bit storehouse of above-mentioned acquisition, differentiate mobile phone model, and the communication protocol supported of mobile phone, and the communication mode of automatic and mobile phone 1, and the connection corresponding with mobile phone 1 foundation, set up module for reading and writing in application layer simultaneously and be connected with the transparent transmission of mobile phone 1;
4) judge whether and need to carry out charging operations to mobile phone,
If do not need charging then to turn the 6th) step;
5) if need charging, then 203 pairs of mobile phones of power management module charge;
6) judge whether mobile phone has read write command, if without then waiting for, then quit a program if receive to exit command;
7) after less radio-frequency RFID module for reading and writing 201 receives mobile phone 1 control command that communication management module 202 sends, start the read-write operation of less radio-frequency RFID module for reading and writing 201, read information in the RFID label by the RFID antenna;
8) result is transferred to mobile phone 1 by communication management module 202, turns the 2nd) step.
As shown in Figure 3 and Figure 4, described less radio-frequency read-write assembly 2 is made the dorsal clamp type construction package, and nationality helps USB or serial ports or 1394 interface sockets 405, connects mobile phone 1 communication and is clipped in the back of mobile phone 1.
The less radio-frequency read-write assembly 4 of described dorsal clamp type structure is used for hyper band, in a rectangular flat plate 404 structures, to accompany circuit board 401, circuit board 401 is provided with UHF module for reading and writing 403, communication management module, power management module, folding line antenna 402 and battery 403, be one section of 90 ° of bending at rectangular flat plate 404 structures one end, be provided with handset port 405.
The present invention is with 1 binding of back splint form and mobile phone, and the USB interface design corresponding with mobile phone 1 is in the back splint bottom, and the interface profile can be according to the formal transformation of different mobile phones with adapter.UHF module for reading and writing 406, power management module 203 and communication management module 202 all are produced on the inner same FR4 of the back splint dielectric circuit board 401, to reduce the volume of assembly.406 pairs of RFID module for reading and writing power supplies of power management module 203 usefulness internal batteries are perhaps charged to mobile phone 1 by USB interface according to arranging; When external external power supply, power management module 203 is given the charging of mobile phone 1 and internal battery simultaneously.UHF read-write chip 403 is used high integration, meets the super high frequency radio frequency identification special transceivers chip of EPC G2,18000-6C, with the quantity of effective minimizing discrete component, thereby reaches the purpose of dwindling circuit size; Increase low noise amplifier at the reception path and can improve the sensitivity of system, omit the loss that power amplifier brings thereby remedy.UHF read-write antenna 402 has adopted the folding line structure, uses microstrip line Ba Lun to carry out uneven conversion to balance.The geometric widths of antenna is 66 millimeters, and gain reaches 3.6dB, and operating frequency is 895MHz-932MHz, and half-power beam width is 115 degree.
After the USB interface of mobile phone is inserted into the USB interface of less radio-frequency read-write assembly, the USB holotype control chip of administration module 202 can apply 5V voltage in the USB power pins, thereby drive mobile phone from the pattern chip operation, and send out the information such as mobile phone brand, model from the D+/D-of USB, the mobile phone characteristic that the contrast of USB holotype control chip is built-in, differentiate the employed communications protocol of mobile phone, and call driving function and set up communication with mobile phone 1 and be connected, according to the setting that drives, power management module 203 sets whether mobile phone is carried out charging operations simultaneously.When mobile phone 1 sends the RFID read write command, communication management module 202 will order bag to send to RFID module for reading and writing 201, and the information that RFID module for reading and writing 201 returns is sent to mobile phone 1.
As shown in Figure 5 and Figure 6, described radio frequency read-write assembly is made a box-shaped structure assembly, connects USB or serial ports or 1394 handset ports 504 and mobile phone 1 connecting communication by cable 505.
The radio frequency read-write assembly 5 of described box-shaped structure is used for high-frequency band, be provided with circuit board 502 in the box 501, circuit board 502 is provided with module for reading and writing, communication management module, power management module, loop aerial 503 and the battery that meets ISO-15693, ISO-14443, is provided with USB or serial ports or 1394 interface sockets 504 in box 501 1 sides.
HF module for reading and writing 502, power management module 203, communication management module 202, battery with loop aerial 503 all are integrated in the inside of box 501, and have reserved the handset port 504 of USB form, are connected with mobile phone 1 by external cable 505.The operation principle of present embodiment is with the less radio-frequency read-write assembly of dorsal clamp type structure, and difference is that the operating frequency of the HF read-write chip of this example is 13.56MHz.