CN216670739U - Passive electronic tag with energy collecting function - Google Patents
Passive electronic tag with energy collecting function Download PDFInfo
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- CN216670739U CN216670739U CN202123146387.6U CN202123146387U CN216670739U CN 216670739 U CN216670739 U CN 216670739U CN 202123146387 U CN202123146387 U CN 202123146387U CN 216670739 U CN216670739 U CN 216670739U
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Abstract
The utility model discloses a passive electronic tag with an energy collecting function, which comprises a shell, an electronic ink screen, a central processing unit and a power supply unit. The power supply unit at least comprises a first power supply assembly and an energy storage assembly, the first power supply assembly comprises a PCB coil and an NFC channel chip, and the NFC channel chip comprises an energy collecting circuit; the first power supply assembly is electrically connected with the first end of the energy storage assembly, and the second end of the energy storage assembly is electrically connected with the central processing unit; the central processing unit is electrically connected with the electronic ink screen; the electronic ink screen is arranged on the upper surface of the shell, and the central processing unit and the power supply unit are arranged inside the shell. The utility model collects and stores energy through the matching of the built-in coil and the high-capacity farad capacitor, thereby reducing the electric quantity of the button battery to the maximum extent and greatly prolonging the service cycle of the button battery; meanwhile, energy is acquired through an NFC field for flashing under the condition that the button battery is not powered, and the overall performance of the electronic tag is improved.
Description
Technical Field
The utility model belongs to the field of electronic tags, and particularly relates to a passive electronic tag with an energy collecting function.
Background
In recent years, with the gradual increase of energy crisis and environmental awareness, the traditional paper label has been gradually replaced by an electronic label, and is widely applied to various fields such as fresh food, business overload, warehouses and the like.
The electronic tag is also called a radio frequency tag, a transponder and a data carrier, and the reader is also called a reading device, a scanner, a reading head, a communicator and a reader-writer. The electronic tag and the reader realize the space coupling of radio frequency signals through the coupling element, and the energy transfer and the data exchange are realized in the coupling channel according to the time sequence relation. The traditional electronic tag mainly comprises an electronic ink screen, a tag circuit and a button cell, although the power consumption of the electronic tag is very low, the button cell needs to be replaced after the electronic tag generally works for 2-3 years, so that a large amount of manpower and material resources are consumed to replace the battery, and meanwhile, if the replaced button cell is not treated properly, the environment is polluted greatly.
Therefore, designing a passive electronic tag with an energy collecting function is a research direction.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects in the prior art, the utility model provides the passive electronic tag with energy collection, the energy collection is carried out through the additionally arranged built-in coil, the energy is stored through the large-capacity farad capacitor, when the electronic tag needs to refresh the content, the energy is released to be used by the electronic tag, and the electronic tag can be normally used even under the passive condition.
In order to achieve the above object, an embodiment of the present invention provides a passive electronic tag with an energy collecting function, which includes a housing, an electronic ink screen, a central processing unit, and a power supply unit.
The power supply unit at least comprises a first power supply assembly and an energy storage assembly, the first power supply assembly comprises a PCB coil and an NFC channel chip, and the NFC channel chip contains an energy collection circuit; the first power supply assembly is electrically connected with a first end of the energy storage assembly, and a second end of the energy storage assembly is electrically connected with the central processing unit; the central processing unit is electrically connected with the electronic ink screen; the electronic ink screen is arranged on the upper surface of the shell, and the central processing unit and the power supply unit are arranged inside the shell.
Furthermore, the power supply unit further comprises a second power supply assembly, and the second power supply assembly is connected with the third end of the energy storage assembly.
Furthermore, the second power supply assembly is a solar wafer, and the solar wafer is arranged on the upper surface of the shell.
Further, the energy storage component is a farad capacitor.
Further, the passive electronic tag further comprises a UHF radio frequency chip, the UHF radio frequency chip is arranged inside the shell, and the UHF radio frequency chip is electrically connected with the central processing unit.
Furthermore, the power supply unit further comprises a third power supply assembly, and the third power supply assembly is a button battery; the third power supply assembly is electrically connected with the central processing unit.
Furthermore, the surface of the shell is also provided with a key for awakening the electronic tag and prompting a matching interface to perform man-machine interaction.
Further, the passive electronic tag operates in an NFC field in a frequency band of 13.56 MHZ.
The utility model has the beneficial effects that:
1. according to the utility model, through the arrangement of the first power supply assembly and the energy storage assembly, the electronic tag is refreshed under the passive condition, the electric quantity use of the button battery is reduced to the maximum extent, and the service cycle of the button battery is greatly prolonged; the energy can be acquired through the NFC field for flashing even if the button battery is not powered, so that the energy-saving and environment-friendly effects are achieved;
2. the utility model is provided with abundant data transmission interfaces, and a user can operate the passive displayable electronic tag through the mobile phone APP integrated with the NFC function; the user can also operate the wireless displayable electronic tag through a UHF long-distance international standard reader or a base station.
Drawings
FIG. 1 is a schematic diagram of a front side view of one embodiment of a passive electronic tag with energy harvesting of the present invention;
FIG. 2 is a system framework diagram of one embodiment of the present invention.
In the figure:
1-electronic ink screen; 2-an indicator light; 3-pressing a key; 4-solar flakes; 5-a shell.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following description is further provided with reference to the accompanying drawings and examples.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1, a passive electronic tag with an energy collecting function according to an embodiment of the present invention is an electronic tag with a length and a width of 80 × 50mm, and includes a housing 5, a 2.9 inch electronic ink screen 1, a three-color LED indicator 2, a central processing unit, and a power supply unit.
The power supply unit at least comprises a first power supply assembly and an energy storage assembly, the first power supply assembly comprises a PCB coil and an NFC channel chip, and the NFC channel chip comprises an energy collecting circuit; the first power supply assembly is connected with the first end of the energy storage assembly, and the second end of the energy storage assembly is connected with the central processing unit; the central processing unit is electrically connected with the electronic ink screen 1; the electronic ink screen 1 is arranged on the upper surface of the shell 5, and the central processing unit and the power supply unit are arranged inside the shell 5. The power supply unit further comprises a second power supply assembly, and the second power supply assembly is connected with the third end of the energy storage assembly; the energy storage component is a farad capacitor. The passive electronic tag further comprises a UHF radio frequency chip, the UHF radio frequency chip is arranged inside the shell 5, and the UHF radio frequency chip is electrically connected with the central processing unit. The power supply unit also comprises a second power supply assembly, the second power supply assembly is a solar slice 4 which is an amorphous silicon solar photovoltaic slice; the second power supply assembly is connected with the third end of the energy storage assembly. The power supply unit also comprises a third power supply assembly, and the third power supply assembly is a button battery; the third power supply assembly is electrically connected with the central processing unit. The solar sheet 4 is provided on the upper surface of the housing 5. The surface of the shell 5 is also provided with a key 3 for awakening the electronic tag and prompting a matching interface to carry out man-machine interaction.
As shown in fig. 2, the coil is a 3-turn on-board PCB coil, and is connected with an NFC channel chip of an enzimapu antenna, the NFC channel chip includes an energy collection circuit, the whole coil energy collection circuit operates in an NFC field of a frequency band of 13.56MHZ, data can be transmitted through the field while collecting energy, and the energy is stored through a large-capacity faraday capacitor after being collected; the built-in solar slice 4 can trickle charge the farad capacitor and simultaneously keeps the power supply of the original button cell; UHF is a radio frequency chip near ultrahigh frequency 800MHz, which realizes remote radio frequency communication; the processing unit is composed of an ultra-low power consumption Bluetooth SOC and is responsible for receiving and processing external data and driving the electronic ink screen 1 to refresh the screen.
In the prior art, RFI D is a radio frequency identification technology, which mainly identifies a specific target by a radio signal and can read and write data, but only reads in one direction. RFI D has a low frequency (transmission distance of several mm), a high frequency (13.56Mhz), an ultrahigh frequency, a microwave frequency band, and the like, and different frequency bands cause different power and different transmission distances. NFC is a near field communication technology, and chips have mutual communication capacity and computing capacity. NFC can be seen as a subset of RFID, using the high frequency (13.56MHz) standard for RF ID, but a two-way procedure. NFC is only limited to the 13.56MHz frequency band, while the RFI D has low frequency (125KHz to 135KHz), high frequency (13.56MHz) and ultra-high frequency (860MHz to 960 MHz. the difference is mainly due to the fact that in some applications of cash payment and credit card design, personal RFID information can be received by other devices under the condition of the communication distance of the RFI D, and unsafe factors exist, and the NFC has high safety due to the fact that the working effective distance is about 10 cm.
When the NFC flash memory is actually used, the onboard coil is connected to the NFC channel chip through the matching circuit, the chip is responsible for energy collection and conversion of an NFC field and data transmission of field generation equipment, output current is stored through a high-capacity farad capacitor, when the electric quantity of the farad capacitor reaches the working state of the system, the processor unit works and initializes the system, NFC data are received through the I2C protocol interface, and after the data transmission is finished, the voltage detection circuit is used for driving the electronic ink screen 1 to conduct screen refreshing and updating operations after the electronic ink screen 1 is refreshed. Under the NFC _ RFID application scene, a user can operate the passive displayable electronic tag through a mobile phone APP integrating the NFC function. For example: file cabinet electronic label, factory warehouse goods location shelf label; dynamic information display is realized, data are synchronized to a background or a cloud, and the function of the Internet of things is realized. The advantages are that: universality: the passive displayable electronic tag can be driven without special equipment, and is ubiquitous in application; compatibility: the intelligent processor is integrated in the passive realistic electronic tag, bidirectional information interaction can be carried out, and the traditional marker is overturned.
The UHF is a radio frequency chip working at 800MHz, is connected with the processing unit through an SPI protocol interface, and can realize the data transmission and searching functions of the electronic tag through a special UHF reader. In the UHF _ RFID application scenario, a user may operate the wireless displayable electronic tag through a remote international standard reader or base station. For example: electronic identification of logistics packaging boxes and electronic identification of containers; dynamic information display is realized, data are synchronized to a background or a cloud, and the function of the Internet of things is realized. The advantages are that: the dynamic display, the rewriting and the real-time uploading of the information of the electronic identification are realized; long range operation, passive mode 10 meters, battery assisted mode 25 meters. The mass group reading is as high as 900/s, the remote wireless activation is supported, the passive displayable electronic tags and readers are supported to conform to the international standard, and the universal global application is realized.
A2.9-inch SP I interface protocol screen adopted by the electronic ink screen 1 has the characteristic of passively retaining display information. The solar slice 4 is connected with a farad capacitor, and generates milliwatt-level current to charge the farad capacitor under the ideal illumination environment.
The passive electronic tag with energy collection has the advantages that the structure provides three power supplies, the first power supply collects energy through the additionally arranged built-in coil and stores the energy through the large-capacity farad capacitor, when the electronic tag needs to refresh the content, the energy is released to be used by the electronic tag, and the electronic tag can be normally used even under the passive condition. The button battery power supply system has the advantages that the three power supply energy sources complement each other, so that the electricity consumption of the button battery is reduced to the maximum extent, the service cycle of the button battery is greatly prolonged, the energy can be acquired through the NFC field for writing even if the button battery is not powered, the energy-saving and environment-friendly effects are achieved, abundant data transmission interfaces are arranged, the use scene expansion of the electronic tag is achieved, and the overall performance of the electronic tag is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. A passive electronic tag with an energy collecting function is characterized by comprising a shell, an electronic ink screen, a central processing unit and a power supply unit;
the power supply unit at least comprises a first power supply assembly and an energy storage assembly, the first power supply assembly comprises a PCB coil and an NFC channel chip, and the NFC channel chip contains an energy collection circuit; the first power supply assembly is electrically connected with a first end of the energy storage assembly, and a second end of the energy storage assembly is electrically connected with the central processing unit; the central processing unit is electrically connected with the electronic ink screen;
the electronic ink screen is arranged on the upper surface of the shell, and the central processing unit and the power supply unit are arranged inside the shell.
2. The passive electronic tag with the energy collecting function according to claim 1, wherein the power supply unit further comprises a second power supply component, and the second power supply component is connected to the third end of the energy storage component.
3. The passive electronic tag with the energy collecting function according to claim 2, wherein the second power supply assembly is a solar sheet, and the solar sheet is arranged on the upper surface of the housing.
4. The passive electronic tag with the energy harvesting function of claim 1, wherein the energy storage component is a farad capacitor.
5. The passive electronic tag with the energy collecting function according to claim 1, further comprising a UHF radio frequency chip, wherein the UHF radio frequency chip is disposed inside the housing, and the UHF radio frequency chip is electrically connected to the central processing unit.
6. The passive electronic tag with the energy collecting function according to claim 1, wherein the power supply unit further comprises a third power supply assembly, and the third power supply assembly is a button battery; the third power supply assembly is electrically connected with the central processing unit.
7. The passive electronic tag with the energy collecting function according to claim 1, wherein a button is further arranged on the surface of the shell and used for waking up the electronic tag and matching with an interface prompt for human-computer interaction.
8. The passive electronic tag with the energy harvesting function according to claim 1, wherein the passive electronic tag operates in an NFC field in a frequency band of 13.56 MHZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123146387.6U CN216670739U (en) | 2021-12-15 | 2021-12-15 | Passive electronic tag with energy collecting function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123146387.6U CN216670739U (en) | 2021-12-15 | 2021-12-15 | Passive electronic tag with energy collecting function |
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| CN216670739U true CN216670739U (en) | 2022-06-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116455430A (en) * | 2023-03-22 | 2023-07-18 | 上海金怪兽科技有限公司 | NFC-based power taking method, long-time communication NFC power taking method and electronic equipment |
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2021
- 2021-12-15 CN CN202123146387.6U patent/CN216670739U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116455430A (en) * | 2023-03-22 | 2023-07-18 | 上海金怪兽科技有限公司 | NFC-based power taking method, long-time communication NFC power taking method and electronic equipment |
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