CN202771722U - 900 megahertz (MHz) passive radio frequency identification devices (RFID) label with new electricity-taking function - Google Patents
900 megahertz (MHz) passive radio frequency identification devices (RFID) label with new electricity-taking function Download PDFInfo
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- CN202771722U CN202771722U CN201220463192.6U CN201220463192U CN202771722U CN 202771722 U CN202771722 U CN 202771722U CN 201220463192 U CN201220463192 U CN 201220463192U CN 202771722 U CN202771722 U CN 202771722U
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Abstract
The utility model relates to a 900 megahertz (MHz) passive radio frequency identification devices (RFID) label with a new electricity-taking function. The 900 MHz passive RFID label with the new electricity-taking function comprises a 900 MHz passive RFID label body and an electricity-taking device. The 900 MHz passive RFID label body comprises a 900 MHz passive label module, a microprogrammed control unit (MCU) and an electronic paper drive module. The 900 MHz passive label module is connected with a 900 MHz antenna. The 900 MHz passive label module, the MCU and the electronic paper drive module are connected sequentially through a general purpose input/output (GPIO) interface. The electricity-taking device comprises a 13.56 MHz sensing antenna. The 13.56 MHz sensing antenna is sequentially connected with a bridge rectifier circuit, a step-down circuit and a voltage stabilizing circuit. The voltage stabilizing circuit outputs direct current (DC) voltage to the MCU and the electronic paper drive module to offer power. Under the circumstance without a built-in power supply, the electronic paper of the 900 MHz passive label can sense the power reserve through the 13.56 MHz sensing antenna, and therefore the function of the label is broadened.
Description
Technical field
The utility model relates to the mobile communication technology field, especially relates to a kind of 900MHz passive RFID tags with novel current-taking function.
Background technology
The passive label of 900MHz is applied in logistics, the field such as false proof extraordinary technical advantage, but the sourceless characteristic of label, also so that the expanded function of label be restricted, the energy that the passive label of 900MHz obtains a little less than, be not enough to drive the Electronic Paper driver module work that is integrated on the label.
The utility model content
The weak problem of energy of obtaining in order to solve the 900MHz passive label, the utility model proposes a kind of on the 900MHz passive label induction antenna of integrated another 13.56MHz, induction antenna by 13.56MHz closely obtains inductive energy, is integrated in the driver module work of the Electronic Paper on the 900MHz passive label with driving.
The purpose of this utility model is achieved through the following technical solutions:
A kind of 900MHz passive RFID tags with novel current-taking function is characterized in that: comprising:
One 900MHz passive RFID tags body and an electricity getting device;
Described 900MHz passive RFID tags body comprises 900MHz passive label module, MCU and Electronic Paper driver module, described 900MHz passive label module connects a 900MHz antenna, and described 900MHz passive label module, MCU and Electronic Paper driver module sequentially connect by the GPIO interface;
Described electricity getting device comprises a 13.56MHz induction antenna, its bridge rectifier circuit road and mu balanced circuit that is used for the induction current of the induction antenna of 13.56MHz is rectified to direct current output that be linked in sequence, described mu balanced circuit output DC is depressed into described MCU and the Electronic Paper driver module is its power supply.
Described Electronic Paper driver module connects an Electronic Paper.
Another kind has the 900MHz passive RFID tags of novel current-taking function, it is characterized in that: comprising:
One 900MHz passive RFID tags body and an electricity getting device;
Described 900MHz passive RFID tags body comprises 900MHz passive label module, MCU and Electronic Paper driver module, described 900MHz passive label module connects a 900MHz antenna, and described 900MHz passive label module, MCU and Electronic Paper driver module sequentially connect by the GPIO interface;
Described electricity getting device comprises a 13.56MHz induction module and a 13.56MHz induction antenna that is connected with this 13.56MHz induction module, and described 13.56MHz induction module output DC is depressed into described MCU and the Electronic Paper driver module is its power supply.
Compared with prior art, the utility model has the advantage of:
The 900MHz passive label is in the situation that without built-in power, the Electronic Paper driver module on the label can show by the energy drives Electronic Paper that the induction antenna of 13.56MHz is sensed, so that the function of label is expanded.
Description of drawings
Fig. 1 is the modular structure schematic diagram of the utility model embodiment.
Embodiment
As shown in Figure 1, the 900MHz passive RFID tags with novel current-taking function of the present embodiment comprises a 900MHz passive RFID tags body and an electricity getting device, described 900MHz passive RFID tags body comprises 900MHz passive label module, MCU and Electronic Paper driver module, described 900MHz passive label module connects a 900MHz antenna, and described 900MHz passive label module, MCU and Electronic Paper driver module sequentially connect by the GPIO interface; Described electricity getting device comprises a 13.56MHz induction antenna, and its be linked in sequence a bridge rectifier circuit road and a mu balanced circuit, described mu balanced circuit output DC are depressed into described MCU and the Electronic Paper driver module is its power supply.Described Electronic Paper driver module connects an Electronic Paper.
Described bridge rectifier circuit is rectified to direct current output with the induction current of the induction antenna of 13.56MHz; Described mu balanced circuit with the outputting current steadily of bridge rectifier circuit in a less domain of walker.
Above-mentioned mu balanced circuit and bridge rectifier circuit, also available existing 13.56MHz induction module substitutes, and described 13.56MHz induction module is only finished the work of power taking.
MCU by the GPIO mouth, reads the data of the passive label module of 900MHz, and by the GPIO mouth data is sent to the Electronic Paper driver module after being powered.The Electronic Paper driver module can refresh electronic paper screen according to the instruction that receives after powering up.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (2)
1. 900MHz passive RFID tags with novel current-taking function is characterized in that: comprising:
A kind of 900MHz passive RFID tags body and an electricity getting device;
Described 900MHz passive RFID tags body comprises 900MHz passive label module, MCU and Electronic Paper driver module, described 900MHz passive label module connects a 900MHz antenna, and described 900MHz passive label module, MCU and Electronic Paper driver module sequentially connect by the GPIO interface;
Described electricity getting device comprises a 13.56MHz induction antenna, its bridge rectifier circuit and mu balanced circuit that is used for the induction current of the induction antenna of 13.56MHz is rectified to direct current output that be linked in sequence, described mu balanced circuit output DC is depressed into described MCU and the Electronic Paper driver module is its power supply.
2. 900MHz passive RFID tags with novel current-taking function is characterized in that: comprising:
One 900MHz passive RFID tags body and an electricity getting device;
Described 900MHz passive RFID tags body comprises 900MHz passive label module, MCU and Electronic Paper driver module, described 900MHz passive label module connects a 900MHz antenna, and described 900MHz passive label module, MCU and Electronic Paper driver module sequentially connect by the GPIO interface;
Described electricity getting device comprises a 13.56MHz induction module and a 13.56MHz induction antenna that is connected with this 13.56MHz induction module, and described 13.56MHz induction module output DC is depressed into described MCU and the Electronic Paper driver module is its power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220463192.6U CN202771722U (en) | 2012-09-12 | 2012-09-12 | 900 megahertz (MHz) passive radio frequency identification devices (RFID) label with new electricity-taking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220463192.6U CN202771722U (en) | 2012-09-12 | 2012-09-12 | 900 megahertz (MHz) passive radio frequency identification devices (RFID) label with new electricity-taking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202771722U true CN202771722U (en) | 2013-03-06 |
Family
ID=47778281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220463192.6U Expired - Lifetime CN202771722U (en) | 2012-09-12 | 2012-09-12 | 900 megahertz (MHz) passive radio frequency identification devices (RFID) label with new electricity-taking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202771722U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104463720A (en) * | 2013-09-24 | 2015-03-25 | 孙亚民 | Contact type receiving device of electronic making card |
| CN105466580A (en) * | 2014-09-26 | 2016-04-06 | 大同大学 | Method for managing logistics temperature by using near field communication technology |
| CN107958279A (en) * | 2016-10-18 | 2018-04-24 | 上海天臣防伪技术股份有限公司 | From display radio-frequency device |
-
2012
- 2012-09-12 CN CN201220463192.6U patent/CN202771722U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104463720A (en) * | 2013-09-24 | 2015-03-25 | 孙亚民 | Contact type receiving device of electronic making card |
| CN105466580A (en) * | 2014-09-26 | 2016-04-06 | 大同大学 | Method for managing logistics temperature by using near field communication technology |
| CN107958279A (en) * | 2016-10-18 | 2018-04-24 | 上海天臣防伪技术股份有限公司 | From display radio-frequency device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |