CN205210919U - Power adjustable high frequency read write line - Google Patents
Power adjustable high frequency read write line Download PDFInfo
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- CN205210919U CN205210919U CN201520985587.6U CN201520985587U CN205210919U CN 205210919 U CN205210919 U CN 205210919U CN 201520985587 U CN201520985587 U CN 201520985587U CN 205210919 U CN205210919 U CN 205210919U
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Abstract
The utility model discloses a power adjustable high frequency read write line, including the microcontroller module, the RFID module, the communication module that are connected with the microcontroller module to reach the antenna module of being connected with the RFID module, the high frequency read write line still includes adjustable power power amplifier module, and this is adjustable, and power power amplifier module all is connected with microcontroller module, RFID module and antenna module, in order to adjust the output of high frequency read write line. The utility model provides a power adjustable high frequency read write line can effectively improve the high frequency read write line and read the reliability of the data and its interference killing feature according to the output of the needs of its applied environment and reading data distance adjustment high frequency read write line.
Description
Technical field
The utility model relates to a kind of read write line, is specifically related to a kind of high frequency read write line of power adjustable.
Background technology
Read write line is as a data collection station, and read write line reads the range size of data, and the reliability reading data is the problem that user pays special attention to.The scope of the reading data of read write line is mainly subject to the impact of following four factors: the antenna size of read write line, the output power of read write line, the antenna size of label and the impact of working environment.Generally under the application panorama of setting, the antenna size of read write line, label and working environment are determined, therefore, the output power of read write line becomes a crucial variable.Within the specific limits, read write line output power is larger, and reading/writing distance is far away, and antijamming capability is stronger.Existing high frequency read write line, its output power is for fixing non-adjustable, and be difficult to export suitable output power according to its applied environment, the reliability causing it to read and write data is not high, and antijamming capability is lower.
Utility model content
For overcoming the deficiencies in the prior art and Problems existing, the utility model provides a kind of high frequency read write line of power adjustable, this read write line can according to applied environment and the output frequency needing regulation output suitable reading data distance, make the reliability of read write line when reading and writing data high, antijamming capability is strong.
The utility model is achieved through the following technical solutions: a kind of high frequency read write line of power adjustable, comprise micro controller module, the RFID module be connected with micro controller module, communication module, and the Anneta module to be connected with RFID module, described high frequency read write line also comprises power-adjustable power amplifier module, this power-adjustable power amplifier module is all connected with micro controller module, RFID module and Anneta module, to regulate the output power of described high frequency read write line.
Preferably, described power-adjustable power amplifier module comprises digital regulation resistance module and power amplifier module, described power amplifier module is all connected with RFID module, Anneta module, and described power amplifier module is connected with micro controller module by digital regulation resistance module.
Further, described high frequency read write line also comprises the GPIO module, digital I/O port module, indicating lamp module and the hummer module that are connected with micro controller module respectively.
Preferably, described communication module comprises RS-485 serial communication module and/or RS-232 serial communication module.
The high frequency read write line of the power adjustable that the utility model provides, according to its applied environment and the output power needing to adjust high frequency read write line reading data distance, can effectively improve reliability and its antijamming capability that high frequency read write line reads data.
Accompanying drawing explanation
Fig. 1 is the circuit theory schematic block diagram of high frequency read write line described in the utility model embodiment.
Embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of high frequency read write line of power adjustable, comprise micro controller module, the RFID module be connected with micro controller module, communication module, and the Anneta module to be connected with RFID module (radio frequency identification module), described high frequency read write line also comprises power-adjustable power amplifier module, and this power-adjustable power amplifier module is all connected with micro controller module, RFID module and Anneta module, to regulate the output power of described high frequency read write line.In the present embodiment, described power-adjustable power amplifier module comprises digital regulation resistance module and power amplifier module, described power amplifier module is all connected with RFID module, Anneta module, and described power amplifier module is connected with micro controller module by digital regulation resistance module.
Preferably, described high frequency read write line also comprises the indicating lamp module and hummer module that are connected with micro controller module respectively, is convenient to the duty instruction of reminding user high frequency read write line and reminds.
The high frequency read write line that the present embodiment provides, its output power is adjusted by digital regulation resistance module and power amplifier module, thus can according to the working environment of high frequency read write line, distance when reading data makes high frequency read write line export suitable output power, improves reliability and its antijamming capability that high frequency read write line reads data.
In the present embodiment, described communication module is preferably serial communication module, and it comprises RS-485 serial communication module and/or RS-232 serial communication module; Micro controller module adopts chip model to be that the single-chip microcomputer of STC15F2K40S2 is as microcontroller; Adopt chip model to be the radio frequency chip of TRF7962 in RFID module, chip TRF7962 be a integrated, to realize the radio frequency chip that radio-frequency power amplifies by circumferential work amplification module.ISL22416 is that digital regulation resistance controls power amplification; Digital regulation resistance module then adopts chip model to be the digital regulation resistance control chip of ISL22416.
For the ease of the information interaction of high frequency read write line and other equipment, the high frequency read write line in the present embodiment also includes the GPIO module be connected with micro controller module.
In addition, in order to the needs of satisfied control external unit (as concealed light, sensor external unit), the high frequency read write line of the present embodiment also comprises the digital I/O port module be connected with micro controller module.
Certainly, high frequency read write line in the utility model also includes power module, power module is used for providing power supply for needs improve the workable each functional module of relevant voltage, power module is not invention improvement of the present utility model, and the annexation of power module and functional module is also the known general knowledge of those skilled in the art, does not therefore draw this power module and the annexation with each functional module thereof in accompanying drawing 1.
Above-described embodiment is preferably implementation of the present utility model, is not to restriction of the present utility model, and under the prerequisite not departing from inventive concept of the present utility model, any apparent replacement is all within protection domain of the present utility model.
Claims (6)
1. the high frequency read write line of a power adjustable, comprise micro controller module, the RFID module be connected with micro controller module, communication module, and the Anneta module to be connected with RFID module, it is characterized in that: described high frequency read write line also comprises power-adjustable power amplifier module, this power-adjustable power amplifier module is all connected with micro controller module, RFID module and Anneta module, to regulate the output power of described high frequency read write line.
2. high frequency read write line according to claim 1, it is characterized in that: described power-adjustable power amplifier module comprises digital regulation resistance module and power amplifier module, described power amplifier module is all connected with RFID module, Anneta module, and described power amplifier module is connected with micro controller module by digital regulation resistance module.
3. high frequency read write line according to claim 2, is characterized in that: described high frequency read write line also comprises the GPIO module be connected with micro controller module.
4. high frequency read write line according to claim 3, is characterized in that: described high frequency read write line also comprises the digital I/O port module be connected with micro controller module.
5. the high frequency read write line according to any one of Claims 1 to 4, is characterized in that: described high frequency read write line also comprises the indicating lamp module and hummer module that are connected with micro controller module.
6. high frequency read write line according to claim 5, is characterized in that: described communication module comprises RS-485 serial communication module and/or RS-232 serial communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520985587.6U CN205210919U (en) | 2015-12-02 | 2015-12-02 | Power adjustable high frequency read write line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520985587.6U CN205210919U (en) | 2015-12-02 | 2015-12-02 | Power adjustable high frequency read write line |
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| Publication Number | Publication Date |
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| CN205210919U true CN205210919U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520985587.6U Active CN205210919U (en) | 2015-12-02 | 2015-12-02 | Power adjustable high frequency read write line |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929387A (en) * | 2016-05-26 | 2016-09-07 | 福建工程学院 | RFID (radio frequency identification) power transmitting level identification-based adaptive ranging method applied to tunnel |
| CN107729784A (en) * | 2017-09-27 | 2018-02-23 | 北京市振隆科技股份有限公司 | Multi-band frequency multi-protocol power adjustable RFID reader and its reading/writing method |
| CN107818354A (en) * | 2017-11-08 | 2018-03-20 | 西安航天自动化股份有限公司 | A kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation |
| CN111611816A (en) * | 2019-02-22 | 2020-09-01 | 立象科技股份有限公司 | Radio frequency identification reading device and power setting method thereof |
| TWI749291B (en) * | 2019-02-22 | 2021-12-11 | 立象科技股份有限公司 | Rfid reader and power setting method thereof |
-
2015
- 2015-12-02 CN CN201520985587.6U patent/CN205210919U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929387A (en) * | 2016-05-26 | 2016-09-07 | 福建工程学院 | RFID (radio frequency identification) power transmitting level identification-based adaptive ranging method applied to tunnel |
| CN105929387B (en) * | 2016-05-26 | 2018-12-07 | 福建工程学院 | Self application distance measuring method is identified based on RFID power emission shelves in tunnel |
| CN107729784A (en) * | 2017-09-27 | 2018-02-23 | 北京市振隆科技股份有限公司 | Multi-band frequency multi-protocol power adjustable RFID reader and its reading/writing method |
| CN107818354A (en) * | 2017-11-08 | 2018-03-20 | 西安航天自动化股份有限公司 | A kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation |
| CN111611816A (en) * | 2019-02-22 | 2020-09-01 | 立象科技股份有限公司 | Radio frequency identification reading device and power setting method thereof |
| TWI749291B (en) * | 2019-02-22 | 2021-12-11 | 立象科技股份有限公司 | Rfid reader and power setting method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523000 Guangdong city of Dongguan province at the Songshan Lake high tech Industrial Development Zone, Road No. 4 Building No. 19 Keyuan pine Patentee after: Guangdong wisdom Technology Co., Ltd. Address before: Industrial Road, Songshan Lake high tech Industrial Development Zone 523808 Guangdong city of Dongguan province No. 6 Songhu Huake Building 1 Patentee before: Dongguan Sygole Digital Technology Co., Ltd. |