CN204131516U - A kind of radiofrequency signal R-T unit - Google Patents
A kind of radiofrequency signal R-T unit Download PDFInfo
- Publication number
- CN204131516U CN204131516U CN201420491558.XU CN201420491558U CN204131516U CN 204131516 U CN204131516 U CN 204131516U CN 201420491558 U CN201420491558 U CN 201420491558U CN 204131516 U CN204131516 U CN 204131516U
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- signal
- module
- radio frequency
- chip
- frequency
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Abstract
The utility model discloses a kind of radiofrequency signal R-T unit, comprise for carrying out the multifrequency functional module of radio-frequency communication with the RF-SIM card in mobile phone and providing the power module of electric power for described multifrequency functional module, the control interface of radio frequency chip working control module is connected with main control chip I/O port, and radio frequency chip working control module is connected with the power pins line of high-frequency radio frequency chip with low frequency radio frequency chip respectively by circuit; Whether the low frequency radio frequency chip described in main control chip is controlled by described radio frequency chip working control module and high-frequency radio frequency chip be by described power module power taking; Described main control chip also comprises conditioning module and processing module, and described conditioning module connects described antenna respectively; The utility model has the advantage of: structure is simple, and easy to use, stable signal transmission, achieves radiofrequency signal that is active and passive, high and low frequency and interconnect.
Description
Technical field
The utility model relates to a kind of signal receiving/transmission device, and specifically a kind of radiofrequency signal R-T unit for mobile phone, belongs to signal receiving/transmission device field.
Background technology
Mobile phone is because possess Presentation Function, key-press input function, network function and smart card STK function, and popularization degree is very wide, has natural advantage for Internet of Things and payment.The more existing radio-frequency unit for mobile-phone payment and Internet of Things also starts to use on mobile phone, has the communication plan of 13.56MHz, also has the high frequency scheme of 2.4G.Name is called that " a kind of signal receiving/transmission device of multiband " application number is the signal receiving/transmission device that the Chinese utility model patent of " 201110358400.6 " provides a kind of multiband, comprises multifrequency functional module and provides the power module of electric power for it; Described multifrequency functional module can carry out radio-frequency communication with the RF-SIM card in mobile phone, comprise: the main control chip of a low-power consumption, a low frequency radio frequency chip, a high-frequency radio frequency chip, radio frequency chip working control module, whether main control chip controls low frequency radio frequency chip, high-frequency radio frequency chip by radio frequency chip working control module can power taking, main control chip, by independent I/O port and low frequency radio frequency chip, high-frequency radio frequency chip communication, achieves radiofrequency signal that is active and passive, high and low frequency and interconnects.But the stable signal transmission of this equipment is poor.
Utility model content
In order to solve the problem, the utility model devises a kind of radiofrequency signal R-T unit, and structure is simple, and easy to use, stable signal transmission, achieves radiofrequency signal that is active and passive, high and low frequency and interconnect.
The technical solution of the utility model is:
A kind of radiofrequency signal R-T unit, comprise for carrying out the multifrequency functional module of radio-frequency communication with the RF-SIM card in mobile phone and providing the power module of electric power for described multifrequency functional module, described power module comprises power management module and battery; Described mobile phone is provided with radio freqnency generator, and described radio freqnency generator is connected with controller;
Described multifrequency functional module comprise a low-power consumption main control chip, one supporting have with the low frequency radio frequency chip of the antenna of its adaptation, one supportingly to have and the high-frequency radio frequency core of the antenna of its adaptation and radio frequency chip working control module;
The control interface of described radio frequency chip working control module is connected with an I/O port of described main control chip, and described radio frequency chip working control module is connected with the power pins line of high-frequency radio frequency chip with described low frequency radio frequency chip respectively by circuit;
Whether the low frequency radio frequency chip described in described main control chip is controlled by described radio frequency chip working control module and high-frequency radio frequency chip be by described power module power taking;
Described main control chip also comprises conditioning module and processing module, described conditioning module connects described antenna respectively, the signal that low frequency radio frequency chip described in antenna receives and high-frequency radio frequency chip send, then next Signal transmissions will be received to described conditioning module, signal is converted to the signal that processing module can identify by described conditioning module, thus complete transmission and the reception of remote signal, realize the several functions such as Long-distance Control.
Further, described controller is also connected with wireless receiving module, and described main control chip also comprises the wireless communication module be connected with described processing module, and described wireless communication module is corresponding with described wireless receiving module.The wireless communication module of main control chip be interrupted by Signal transmissions to wireless receiving module, the signal received by radio frequency receiver like this and the signal sent compare, thus judge that whether telecommunication reliable and stable.
The wireless receiving module that signal interior during this period of time sends at interval of a period of time control wireless communication module by described main control chip, and by this Signal transmissions to controller, the main control chip signal received is judged the reliable and stable of transmitting procedure by controller compared with the signal originally sent.If find inconsistent, then repeat the signal sent in the transmission intercal time.
When there being power supply, corresponding radio frequency chip is in active operating mode, when without power supply, corresponding radio frequency chip is in non-active mode of operation, when two pieces of radio frequency chips are all in non-active mode of operation, main control chip is in the standby mode of low-power consumption, and now multifrequency functional module is in low power consumpting state;
Low frequency radio frequency chip without power supply time, induction electric energy can be obtained from card reader by the antenna supporting with low frequency radio frequency chip, and and card reader swap data, main control chip by independent I/O port respectively with low frequency radio frequency chip, high-frequency radio frequency chip communication.
When mode of operation, main control chip operation radio frequency chip working control module, is placed in active operating mode respectively by low frequency radio frequency chip, high-frequency radio frequency chip, does data communication respectively by I/O port with low frequency radio frequency chip, high-frequency radio frequency chip.
The utility model has the advantage of: structure is simple, and easy to use, stable signal transmission, achieves radiofrequency signal that is active and passive, high and low frequency and interconnect.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Below preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
Embodiment 1
As shown in Figure 1, a kind of radiofrequency signal R-T unit, comprise for carrying out the multifrequency functional module 2 of radio-frequency communication with the RF-SIM card in mobile phone 1 and providing the power module 3 of electric power for described multifrequency functional module, described power module 3 comprises power management module 31 and battery 32; Described mobile phone 1 is provided with radio freqnency generator 11, and described radio freqnency generator 11 is connected with controller 12;
Described radio freqnency generator 11 also comprises external signal input interface, signal selecting circuit, signal generator, radiofrequency signal output interface and signal drive circuit, and described external signal input interface is connected with described signal selecting circuit; Described external signal input interface is for receiving the external input signal from radio-frequency power supply; Described signal selecting circuit is used for having judged whether external input signal, when described signal selecting circuit has judged external input signal, then external input signal is sent to described phase regulating circuit, when described signal selecting circuit judges do not have external input signal, then enable described signal generator, start described signal generator and produce frequency signal, and described frequency signal is delivered to described radiofrequency signal output interface and described signal drive circuit; The radiofrequency signal of adjusted phase place for regulating the phase place of outer input radio frequency signal, and is delivered to described signal drive circuit by described phase regulating circuit; The radiofrequency signal received is carried out drive amplification by described signal drive circuit, exports the radiofrequency signal that can promote described rf power amplifier circuit work.Thus the signal phase difference eliminated between this radio-frequency power supply and the radio-frequency power supply that radiofrequency signal is provided, avoid crosstalk, improve stability.
Described multifrequency functional module 2 comprise the main control chip 21, of a low-power consumption supporting have have and the high-frequency radio frequency core 23 of the antenna of its adaptation and radio frequency chip working control module 24 with the low frequency radio frequency chip 22, of the antenna of its adaptation is supporting;
The control interface of described radio frequency chip working control module 24 is connected with an I/O port of described main control chip 21, and described radio frequency chip working control module 24 is connected with the power pins line of high-frequency radio frequency chip 23 with described low frequency radio frequency chip 22 respectively by circuit;
Whether described main control chip 21 controls described low frequency radio frequency chip 22 and high-frequency radio frequency chip 23 by described power module power taking by described radio frequency chip working control module 24;
Described main control chip 21 also comprises conditioning module 25 and processing module 26, described conditioning module 25 connects described antenna respectively, the signal that low frequency radio frequency chip 22 described in antenna receives and high-frequency radio frequency chip 23 (radio freqnency generator) send, then next Signal transmissions will be received to described conditioning module 25, signal is converted to the signal that processing module 26 can identify by described conditioning module 25, thus complete transmission and the reception of remote signal, realize the several functions such as Long-distance Control.
Described controller 12 is also connected with wireless receiving module 13, and described main control chip 21 also comprises the wireless communication module 27 be connected with described processing module 26, and described wireless communication module 27 is corresponding with described wireless receiving module 13.The wireless communication module 27 of main control chip 21 be interrupted by Signal transmissions to wireless receiving module 13, the signal received by radio frequency receiver like this and the signal sent compare, thus judge that whether telecommunication reliable and stable.
Described low frequency radio frequency chip 22 and high-frequency radio frequency core 23 are connected with antenna described in several (radio-frequency antenna) respectively by shielding conductor, are preferably 4.By adopting multiple antennas time-sharing polling gated fashion to read, solve data path isolation and the matching addresses problem of intensive read-write system.
Described radio-frequency antenna is the radio-frequency antenna of 125KHZ frequency.
Described main control chip can control at interval of a period of time the wireless receiving module that the signal in during this period of time sends to by wireless communication module, and by this Signal transmissions to controller, the main control chip signal received is judged the reliable and stable of transmitting procedure by controller compared with the signal originally sent.If find inconsistent, then repeat the signal sent in the transmission intercal time.
When there being power supply, corresponding radio frequency chip is in active operating mode, when without power supply, corresponding radio frequency chip is in non-active mode of operation, when two pieces of radio frequency chips are all in non-active mode of operation, main control chip is in the standby mode of low-power consumption, and now multifrequency functional module is in low power consumpting state;
Low frequency radio frequency chip without power supply time, induction electric energy can be obtained from card reader by the antenna supporting with low frequency radio frequency chip, and and card reader swap data, main control chip by independent I/O port respectively with low frequency radio frequency chip, high-frequency radio frequency chip communication.
When mode of operation, main control chip operation radio frequency chip working control module, is placed in active operating mode respectively by low frequency radio frequency chip, high-frequency radio frequency chip, does data communication respectively by I/O port with low frequency radio frequency chip, high-frequency radio frequency chip.
Claims (4)
1. a radiofrequency signal R-T unit, it is characterized in that: comprise for carrying out the multifrequency functional module of radio-frequency communication with the RF-SIM card in mobile phone and providing the power module of electric power for described multifrequency functional module, described power module comprises power management module and battery; Described mobile phone is provided with radio freqnency generator, and described radio freqnency generator is connected with controller;
Described multifrequency functional module comprise a low-power consumption main control chip, one supporting have with the low frequency radio frequency chip of the antenna of its adaptation, one supportingly to have and the high-frequency radio frequency core of the antenna of its adaptation and radio frequency chip working control module;
The control interface of described radio frequency chip working control module is connected with an I/O port of described main control chip, and described radio frequency chip working control module is connected with the power pins line of high-frequency radio frequency chip with described low frequency radio frequency chip respectively by circuit;
Whether the low frequency radio frequency chip described in described main control chip is controlled by described radio frequency chip working control module and high-frequency radio frequency chip be by described power module power taking;
Described main control chip also comprises conditioning module and processing module, and described conditioning module connects described antenna respectively.
2. a kind of radiofrequency signal R-T unit according to claim 1, it is characterized in that: described controller is also connected with wireless receiving module, described main control chip also comprises the wireless communication module be connected with described processing module, and described wireless communication module is corresponding with described wireless receiving module.
3. a kind of radiofrequency signal R-T unit according to claim 1 and 2, it is characterized in that: the wireless receiving module that signal interior during this period of time sends at interval of a period of time control wireless communication module by described main control chip, and by this Signal transmissions to controller, the main control chip signal received is judged the reliable and stable of transmitting procedure by controller compared with the signal originally sent.
4. a kind of radiofrequency signal R-T unit according to claim 1, is characterized in that; Described radio freqnency generator also comprises external signal input interface, signal selecting circuit, signal generator, radiofrequency signal output interface and signal drive circuit, and described external signal input interface is connected with described signal selecting circuit; Described external signal input interface is for receiving the external input signal from radio-frequency power supply; Described signal selecting circuit is used for having judged whether external input signal, when described signal selecting circuit has judged external input signal, then external input signal is sent to phase regulating circuit, when described signal selecting circuit judges do not have external input signal, then enable described signal generator, start described signal generator and produce frequency signal, and described frequency signal is delivered to described radiofrequency signal output interface and described signal drive circuit; The radiofrequency signal of adjusted phase place for regulating the phase place of outer input radio frequency signal, and is delivered to described signal drive circuit by described phase regulating circuit; The radiofrequency signal received is carried out drive amplification by described signal drive circuit, exports the radiofrequency signal that can promote described rf power amplifier circuit work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491558.XU CN204131516U (en) | 2014-08-29 | 2014-08-29 | A kind of radiofrequency signal R-T unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491558.XU CN204131516U (en) | 2014-08-29 | 2014-08-29 | A kind of radiofrequency signal R-T unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204131516U true CN204131516U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420491558.XU Expired - Fee Related CN204131516U (en) | 2014-08-29 | 2014-08-29 | A kind of radiofrequency signal R-T unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204131516U (en) |
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2014
- 2014-08-29 CN CN201420491558.XU patent/CN204131516U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20150829 |
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| EXPY | Termination of patent right or utility model |