CN217880349U - Digital currency visible standard card implanted into planar inductance chip - Google Patents
Digital currency visible standard card implanted into planar inductance chip Download PDFInfo
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- CN217880349U CN217880349U CN202221692233.9U CN202221692233U CN217880349U CN 217880349 U CN217880349 U CN 217880349U CN 202221692233 U CN202221692233 U CN 202221692233U CN 217880349 U CN217880349 U CN 217880349U
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Abstract
The utility model discloses a digital currency visible standard card implanted with a planar inductance sheet, which comprises a circuit layer, wherein the upper and lower ends of the circuit layer are both provided with transparent colloid layers, one ends of the two transparent colloid layers, which are far away from the circuit layer, are both provided with a printing layer, and the outer side of one printing layer is provided with a display screen; the circuit layer comprises a digital currency security chip U1, a power supply processing circuit connected with the digital currency security chip U1, a two-in-one antenna circuit connected with the digital currency security chip U1 and used for providing energy collection and NFC communication for the digital currency security chip U1, and a screen driving circuit connected with the digital currency security chip U1 and used for displaying data. The utility model integrates the display screen and the digital currency security chip on the same card through the structure optimization of the smart card, thereby being convenient for people to inquire the data in the card in real time through the display screen while not influencing the normal use of the smart card; the multifunctional electric heating cooker is simple in structure, convenient to use, rich in functions and high in practicability and market popularization value.
Description
Technical Field
The utility model relates to a smart card technical field, concretely relates to visual standard card of digital currency of planting plane inductance piece.
Background
The smart card has wide application in our life, including identity cards, bank cards, transportation cards and the like, which belong to smart cards, and also include various membership cards, access control cards, shopping cards and the like. Although the shapes are different and the application fields are different, the core of the card is the microchip inside the card. Which are classified into a contact type and a non-contact type according to different chip protocols. The contact type, such as a bank card, needs to be inserted into a machine for use, while the non-contact type, such as an identity card and a transportation card, needs to be placed in a sensing area for completing data reading and transmission, and an NFC (Near field communication) technology is used. In the application, the NFC read write line sends specific electromagnetic wave to the carrier (for example bus card) that carries the NFC chip, and series resonance circuit in the carrier, its frequency is the same with the frequency of read write line transmission, accepts the electromagnetic wave back of read write line, and resonance circuit produces resonance, produces the power and provides operating voltage for other circuits, and the NFC read write line alright with accomplish data transmission and mutual with the carrier. The NFC card chip is a passive NFC chip, a battery is not needed, the data transmission speed is high and can reach 106-848kbit/s, data can be kept for more than 10 years, the erasable times are more than one hundred thousand times, each device has a unique serial number, 3-time authentication is needed, eavesdropping attack protection is achieved, a hierarchical key system is supported, and the application requirement of a multi-wallet function can be met.
Because of the passive reading of the NFC card, and in the actual use process, the data state of the NFC card cannot be reflected on the card body, and the use state of the NFC card cannot actively prompt the card holder, for example, the use state of the NFC card such as data interaction being prepared, data interaction being performed, or data interaction being completed cannot be known from the card body of the NFC card, and can only be known from the smart terminal device such as a card reader, which brings inconvenience to the safe use of the NFC card.
The main reason is that the whole thickness of the visible smart card researched and developed in the current market is more than 1.0mm and far exceeds the thickness standard of the ISO standard card by 0.76 +/-0.08 mm, and the main reason is that the inductance of an external boosting device of a flexible ink screen of a visible smart card module is caused, the thickness of the thinnest device in the current market is about 0.6mm, so that the whole thickness of the module is about 0.7mm, the standard thickness of the module is about 0.5mm, the thickness of the finished product of the smart card is seriously influenced, and the thickness of the ISO standard card cannot be realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a visual standard card of digital currency of planting plane inductance piece for solve current NFC card and do not have instruction function, the user can not follow the card body and learn the technical problem of NFC card user state.
To achieve the purpose, the utility model adopts the following technical proposal:
providing a digital currency visible standard card implanted with a planar inductance chip, comprising:
the circuit comprises circuit layers, wherein transparent colloid layers are arranged at the upper end and the lower end of each circuit layer, one ends of the two transparent colloid layers, which are far away from the circuit layers, are provided with printing layers, and the outer side of one of the printing layers is provided with a display screen;
the circuit layer comprises a digital currency security chip U1, a power supply processing circuit connected with the digital currency security chip U1 and used for providing a power supply for the digital currency security chip U1, a two-in-one antenna circuit connected with the digital currency security chip U1 and used for providing energy collection and NFC communication for the digital currency security chip U1, and a screen driving circuit connected with the digital currency security chip U1 and used for receiving and transmitting control signals and displaying data.
As a preferable scheme of the digital currency visible standard card implanted with the planar inductance chip, the power supply processing circuit comprises a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a capacitor C1, a capacitor C2, a capacitor C3 and a capacitor C4, the capacitor C1 is respectively connected with the capacitor C2, the diode D1, the diode D3 and the diode D4 in parallel and then connected with the power supply processing circuit, the diode D2 is connected with the diode D3 in parallel and then connected with the terminal 6 of the digital currency safety chip U1, the digital currency safety chip U1's 6 ends respectively with electric capacity C3 with insert after the electric capacity C4 connects in parallel the one end of two unification antenna circuit, diode D4 with diode D5 connects in parallel the back with digital currency safety chip U1's 5 ends is connected, digital currency safety chip U1's 5 ends respectively with electric capacity C3 with insert after the electric capacity C4 connects in parallel the other end of two unification antenna circuit, electric capacity C1, electric capacity C2 diode D1 diode D2 and diode D5 all ground connection.
As a preferable scheme of the digital currency visual standard card implanted with the planar inductance sheet, the screen driving circuit includes a screen communication circuit and a screen boosting circuit, wherein the screen communication circuit includes a screen driving chip J1, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a capacitor C10, a capacitor C11, a capacitor C12 and a capacitor C13, the 4 end of the screen driving chip J1 is connected with the capacitor C5, the 6 end of the screen driving chip J1 is connected with the capacitor C6, the 10 end, the 12 end, the 13 end and the 14 end of the screen driving chip J1 are respectively connected with the 8 end, the 10 end, the 7 end and the 9 end of the digital currency security chip U1 in a one-to-one correspondence manner, the 14 ends and the 15 ends of the screen driving chip J1 are connected with the capacitor C7 in parallel and then are connected into the power supply processing circuit, the 18 ends of the screen driving chip J1 are connected with the capacitor C8, the 19 ends of the screen driving chip J1 are connected with the capacitor C9, the 20 ends of the screen driving chip J1 are connected with the capacitor C10, the 22 ends of the screen driving chip J1 are connected with the capacitor C11, the 23 ends of the screen driving chip J1 are connected with the capacitor C12, the 24 ends of the screen driving chip J1 are connected with the capacitor C13, and the capacitor C5, the capacitor C6, the capacitor C7, the capacitor C8, the capacitor C9, the capacitor C10, the capacitor C11, the capacitor C12, the capacitor C13, and the 11 ends and the 17 ends of the screen driving chip J1 are all grounded.
As a preferable scheme of the digital currency visual standard card implanted with the planar inductance sheet, the screen boosting circuit comprises a planar inductance sheet L, a field effect transistor Q1, a diode D6, a diode D7, a diode D8, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17, a capacitor C18 and a capacitor C19, the capacitor C14 is connected in parallel with the capacitor C15, the capacitor C16 and the resistor R1 respectively and then is connected to the power processing circuit, the resistor R1 is connected with the planar inductance sheet L, the planar inductance sheet L is connected in parallel with the capacitor C17, the capacitor C18 and the 3 ends of the field effect transistor Q1 respectively and then is connected with the diode D6, diode D6 with behind the parallelly connected back of electric capacity C19 with screen driver chip J1's 21 end is connected, screen driver chip J1's 2 end with behind the parallelly connected back of resistance R4 with field effect transistor Q1's 1 end is connected, field effect transistor Q1's 2 end respectively with behind the parallelly connected back of resistance R2 with resistance R3 with screen driver chip J1's 3 end is connected, electric capacity C17 respectively with behind the parallelly connected back of electric capacity C18 with diode D7 with diode D8 is connected, diode D8 with screen driver chip J1's 23 end is connected, electric capacity C14 capacitor C15 capacitor C16 capacitor C19 diode D7 resistor R2 resistor R3 and resistor R4 all ground connection.
As a preferable scheme of the digital currency visual standard card implanted into the planar inductance chip, the display screen is flexible electronic paper.
The utility model has the advantages that:
(1) The utility model integrates the display screen and the digital currency safety chip on the same card through the structure optimization of the smart card, thereby being convenient for people to inquire the data in the card in real time through the display screen while not influencing the normal use of the smart card; the multifunctional electric heating cooker is simple in structure, convenient to use, rich in functions and high in practical value and market popularization value.
(2) The utility model discloses the circuit layer of visual standard card adopts flexible FPCB technology preparation to form, ensures that the circuit layer thickness is within 0.1mm, and the plane inductance piece adopts FPCB technology simulation to form simultaneously, and the display screen directly inlays in the printing layer, has both reduced the whole thickness of module and reduction in production cost, and the utility model discloses a transparent colloid layer adopts the mode through the pressfitting to make its thickness within 0.15mm to ensure that visual standard card finished product thickness satisfies ISO standard 0.76 +/-0.08 mm.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic cross-sectional view of a digital currency standard visible card according to an embodiment of the present invention.
Fig. 2 is a circuit frame diagram of a digital currency standard visible card according to an embodiment of the present invention.
Fig. 3 is a schematic circuit diagram of a power processing circuit according to an embodiment of the present invention.
Fig. 4 is a schematic circuit diagram of a screen communication circuit according to an embodiment of the present invention.
Fig. 5 is a schematic circuit diagram of a screen boosting circuit according to an embodiment of the present invention.
In fig. 1:
1. a circuit layer; 2. a transparent colloid layer; 3. printing layer; 4. and a display screen.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better explanation of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes and should not be construed as limitations of the present patent, and specific meanings of the above terms can be understood according to specific situations by those of ordinary skill in the art.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
As shown in fig. 1, the utility model provides a visual standard card of digital currency of planting plane inductance piece, include:
As shown in fig. 2, the circuit layer 1 includes a digital currency security chip U1, a power processing circuit connected to the digital currency security chip U1, a two-in-one antenna circuit connected to the digital currency security chip U1, and a screen driving circuit connected to the digital currency security chip U1.
The mobile phone/POS machine/cash register device provides necessary electromagnetic field environmental conditions for the visible standard card, and the transaction related control information is initiated at the cash register end and performs data interaction with the card;
the two-in-one antenna circuit is mainly used for realizing NFC communication and NFC energy collection, and only one antenna is shared;
the power supply processing circuit comprises two parts of power supply waveform processing and voltage conversion; the power waveform processing circuit converts the induced alternating-current voltage of the NFC electromagnetic field provided by the cash receiving end into direct-current voltage-stabilizing source input, comprises bridge rectification, voltage stabilization and filtering, and then is converted into voltage suitable for the power supply of the digital currency safety chip U1 through the voltage conversion circuit;
the digital currency security chip U1 comprises a minimum system circuit element started by a chip, is a main control circuit, is internally provided with an NFC card chip circuit and a security core, and can provide necessary processing capacity and data guarantee for digital currency transaction;
the screen driving circuit comprises a screen communication circuit and a screen boosting circuit, wherein the screen communication circuit is used for receiving and transmitting control signals and displaying data, the screen boosting circuit is used for boosting an input power supply to necessary voltage for driving and refreshing screen content, the display screen is used for displaying transaction information, and the screen is made of flexible electronic paper, can display in a power failure mode and can be bent.
The utility model integrates the display screen and the digital currency safety chip on the same card through the structure optimization of the smart card, thereby being convenient for people to inquire the data in the card in real time through the display screen while not influencing the normal use of the smart card; the multifunctional electric heating cooker is simple in structure, convenient to use, rich in functions and high in practical value and market popularization value.
As shown in fig. 3, the power processing circuit includes a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a capacitor C1, a capacitor C2, a capacitor C3, and a capacitor C4, the capacitor C1 is connected in parallel with the capacitor C2, the diode D1, the diode D3, and the diode D4 respectively and then is connected with the power processing circuit, the diode D2 is connected in parallel with the diode D3 and then is connected with the terminal 6 of the digital currency security chip U1, the terminal 6 of the digital currency security chip U1 is connected in parallel with the capacitor C3 and the capacitor C4 respectively and then is connected to one end of the two-in-one antenna circuit, the diode D4 is connected in parallel with the diode D5 and then is connected to the terminal 5 of the digital currency security chip U1, the terminal 5 of the digital currency security chip U1 is connected in parallel with the capacitor C3 and the capacitor C4 respectively and then is connected to the other end of the two-in-one antenna circuit, and the capacitors C1, C2, the diode D1, the diode D2, and the diode D5 are all grounded.
As shown in fig. 4, the screen communication circuit includes a screen driving chip J1, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a capacitor C10, a capacitor C11, a capacitor C12 and a capacitor C13, wherein 4 ends of the screen driving chip J1 are connected with the capacitor C5, 6 ends of the screen driving chip J1 are connected with the capacitor C6, 10 ends, 12 ends, 13 ends and 14 ends of the screen driving chip J1 are respectively connected with 8 ends, 10 ends, 7 ends and 9 ends of the digital currency security chip U1 in a one-to-one correspondence manner, 14 ends and 15 ends of the screen driving chip J1 are connected in parallel with the capacitor C7 and then connected to the power processing circuit, the 18 ends of the screen driving chip J1 are connected with the capacitor C8, the 19 ends of the screen driving chip J1 are connected with the capacitor C9, the 20 ends of the screen driving chip J1 are connected with the capacitor C10, the 22 ends of the screen driving chip J1 are connected with the capacitor C11, the 23 ends of the screen driving chip J1 are connected with the capacitor C12, the 24 ends of the screen driving chip J1 are connected with the capacitor C13, the capacitor C5, the capacitor C6, the capacitor C7, the capacitor C8, the capacitor C9, the capacitor C10, the capacitor C11, the capacitor C12, the capacitor C13, the 11 ends and the 17 ends of the screen driving chip J1 are all grounded.
As shown in fig. 5, the screen boosting circuit includes a planar inductor L, a field effect transistor Q1, a diode D6, a diode D7, a diode D8, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17, a capacitor C18 and a capacitor C19, the capacitor C14 is connected to the power processing circuit after being connected in parallel with the capacitor C15, the capacitor C16 and the resistor R1, the resistor R1 is connected to the planar inductor L, the planar inductor L is connected to the capacitor C17, the capacitor C18 and the 3 end of the field effect transistor Q1 after being connected in parallel with each other and then to the diode D6, the diode D6 is connected to the 21 end of the screen driving chip J1 after being connected in parallel with the capacitor C19, the 2 end of the screen driving chip J1 is connected to the 1 end of the resistor R1 after being connected in parallel with the resistor R4, the 2 end of the field effect transistor Q1 is connected to the 3 end of the screen driving chip J1 after being connected in parallel with the resistor R2 and the resistor R3, the capacitor C18 and the diode C7, the diode C7 is connected to the capacitor C8, the capacitor C14 and the diode C14 are connected to the diode C7, the capacitor C14, the diode C14.
The utility model discloses a circuit layer adopts flexible FPCB technology preparation to form, ensures that the circuit layer thickness is within 0.1mm, adopts plane inductance piece L to replace conventional inductance simultaneously, and the display screen directly inlays in the printing layer, has both reduced the whole thickness of module and reduction in production cost, and the utility model discloses a transparent colloid layer adopts the mode through the pressfitting to make its thickness within 0.15mm to ensure that visual standard card finished product thickness satisfies ISO standard 0.76 0.08mm.
It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications should be within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
Claims (5)
1. A digital currency visible standard card implanted into a planar inductance chip is characterized by comprising:
the circuit board comprises a circuit layer (1), wherein transparent colloid layers (2) are arranged at the upper end and the lower end of the circuit layer (1), printing layers (3) are arranged at the ends, far away from the circuit layer (1), of the two transparent colloid layers (2), and a display screen (4) is arranged on the outer side of one printing layer (3);
the circuit layer (1) comprises a digital currency security chip U1, a power supply processing circuit connected with the digital currency security chip U1 and used for providing a power supply for the digital currency security chip U1, a two-in-one antenna circuit connected with the digital currency security chip U1 and used for providing energy collection and NFC communication for the digital currency security chip U1, and a screen driving circuit connected with the digital currency security chip U1 and used for receiving and transmitting control signals and displaying data.
2. The digital currency visual standard card implanted with a planar inductor according to claim 1, wherein the power processing circuit comprises a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a capacitor C1, a capacitor C2, a capacitor C3 and a capacitor C4, the capacitor C1 is connected to the power processing circuit after being connected in parallel with the capacitor C2, the diode D1, the diode D3 and the diode D4, respectively, the diode D2 is connected to the diode D3 after being connected in parallel, the terminal 6 of the digital currency security chip U1 is connected to the terminal 6 of the digital currency security chip U1 after being connected in parallel with the capacitor C3 and the capacitor C4, respectively, the terminal 6 of the digital currency security chip U1 is connected to one end of the two-in-one antenna circuit after being connected in parallel with the capacitor C3 and the capacitor C4, the diode D4 is connected to the terminal 5 of the digital currency security chip U1 after being connected in parallel with the diode D5, the terminal 5 of the digital currency security chip U1 is connected to the other end of the two-in-one antenna circuit after being connected in parallel with the capacitor C3 and the capacitor C4, the capacitor C1, the capacitor C2, the capacitor D2 and the diode D2 are all grounded.
3. The digital currency visual standard card implanted with a planar inductance chip according to claim 2, wherein the screen driving circuit comprises a screen communication circuit and a screen boosting circuit, wherein the screen communication circuit comprises a screen driving chip J1, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a capacitor C10, a capacitor C11, a capacitor C12 and a capacitor C13, wherein the 4 terminal of the screen driving chip J1 is connected with the capacitor C5, the 6 terminal of the screen driving chip J1 is connected with the capacitor C6, the 10 terminal, the 12 terminal, the 13 terminal and the 14 terminal of the screen driving chip J1 are respectively connected with the 8 terminal, the 10 terminal, the 7 terminal and the 9 terminal of the digital currency safety chip U1 in a one-to-one correspondence manner, the 14 ends and the 15 ends of the screen driving chip J1 are connected with the capacitor C7 in parallel and then are connected into the power supply processing circuit, the 18 ends of the screen driving chip J1 are connected with the capacitor C8, the 19 ends of the screen driving chip J1 are connected with the capacitor C9, the 20 ends of the screen driving chip J1 are connected with the capacitor C10, the 22 ends of the screen driving chip J1 are connected with the capacitor C11, the 23 ends of the screen driving chip J1 are connected with the capacitor C12, the 24 ends of the screen driving chip J1 are connected with the capacitor C13, and the capacitor C5, the capacitor C6, the capacitor C7, the capacitor C8, the capacitor C9, the capacitor C10, the capacitor C11, the capacitor C12, the capacitor C13, and the 11 ends and the 17 ends of the screen driving chip J1 are all grounded.
4. The digital currency visual standard card implanted with a planar inductor according to claim 3, wherein the screen boosting circuit comprises a planar inductor L, a field effect transistor Q1, a diode D6, a diode D7, a diode D8, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17, a capacitor C18 and a capacitor C19, wherein the capacitor C14 is connected in parallel with the capacitor C15, the capacitor C16 and the resistor R1 respectively and then connected to the power processing circuit, the resistor R1 is connected to the planar inductor L, the planar inductor L is connected to the capacitor C17, the capacitor C18 and the 3 terminal of the field effect transistor Q1 respectively and then connected to the diode D6, the diode D6 is connected to the capacitor C19 in parallel and then connected to the 21 terminal of the screen driving chip J1, the 2 terminal of the screen driving chip J1 is connected to the 1 terminal of the field effect transistor Q1 after being connected to the capacitor C4 in parallel, the resistor Q1 is connected to the capacitor C2 terminal of the capacitor C1 and the capacitor C7, the capacitor C14 is connected to the capacitor C7, the capacitor C14 and the capacitor C19 are connected to the capacitor C7, and the capacitor C7, respectively and the capacitor C19 are connected to the capacitor C14.
5. The digital currency visual standard card of implanting planar inductance sheet of claim 1, wherein, the display screen (4) is flexible electronic paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221692233.9U CN217880349U (en) | 2022-06-30 | 2022-06-30 | Digital currency visible standard card implanted into planar inductance chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221692233.9U CN217880349U (en) | 2022-06-30 | 2022-06-30 | Digital currency visible standard card implanted into planar inductance chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217880349U true CN217880349U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221692233.9U Active CN217880349U (en) | 2022-06-30 | 2022-06-30 | Digital currency visible standard card implanted into planar inductance chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217880349U (en) |
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- 2022-06-30 CN CN202221692233.9U patent/CN217880349U/en active Active
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