CN216389550U - Ultrathin energy storage device for single-frequency-band radio frequency tag - Google Patents
Ultrathin energy storage device for single-frequency-band radio frequency tag Download PDFInfo
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- CN216389550U CN216389550U CN202122902852.8U CN202122902852U CN216389550U CN 216389550 U CN216389550 U CN 216389550U CN 202122902852 U CN202122902852 U CN 202122902852U CN 216389550 U CN216389550 U CN 216389550U
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Abstract
The utility model discloses an ultrathin energy storage device for a single-frequency-band radio frequency tag, and relates to the technical field of batteries. The key points of the technical scheme comprise: a label substrate; the antenna coil is arranged on the first surface of the label base material; the flexible battery component is arranged on the second surface of the label substrate; and, a conductive dot passing through the label substrate; the flexible battery component is connected with the conduction bridge component, and the conduction bridge component is connected with the antenna coil through the conductive point. The utility model can improve the stability of the connection between the flexible battery pack and the antenna coil, thereby realizing stable power supply.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to an ultrathin energy storage device for a single-frequency-band radio frequency tag.
Background
The flexible ultrathin battery is a soft and deformable portable power supply, and the thickness of the flexible ultrathin battery is generally not more than 1 mm. With the rapid development of the fields of logistics, medical treatment, wearable equipment and the like in recent years, the rapid development of flexible ultrathin batteries is promoted.
At present, a flexible ultrathin battery is applied to an RF label, but the RF label and the flexible ultrathin battery can be connected only through an external structure and a process, and the conditions of virtual connection, poor contact and the like exist.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an ultrathin energy storage device for a single-frequency-band radio frequency tag, which can improve the connection stability of a flexible battery assembly and an antenna coil, thereby realizing stable power supply.
In order to achieve the purpose, the utility model provides the following technical scheme:
an ultra-thin energy storage device for a single band radio frequency tag, comprising:
a label substrate;
the antenna coil is arranged on the first surface of the label base material;
the flexible battery component is arranged on the second surface of the label substrate;
the conduction bridge assembly is arranged on the second surface of the label base material; and the number of the first and second groups,
conductive dots through the label substrate;
the flexible battery component is connected with the conduction bridge component, and the conduction bridge component is connected with the antenna coil through the conductive point.
Further, the antenna coil includes a first end contact formed at an inner side thereof, and a second end contact formed at an outer side thereof; the conduction bridge assembly comprises a first conduction bridge and a third conduction bridge; and the first conduction bridge and the first end part connecting point and the third conduction bridge and the second end part connecting point are electrically connected through the conductive points respectively.
Furthermore, the conducting bridge assembly further comprises a second conducting bridge matched with the first conducting bridge and a fourth conducting bridge matched with the third conducting bridge; the flexible battery component comprises a positive current collector and a negative current collector which are arranged at intervals, the positive current collector is connected with the second conduction bridge, and the negative current collector is connected with the fourth conduction bridge.
Furthermore, radio frequency chips are arranged at the collection points of the first conduction bridge, the second conduction bridge, the third conduction bridge and the fourth conduction bridge.
Further, the radio frequency chip is opposite to the inner side area of the antenna coil.
Further, the flexible battery assembly also includes a positive electrode disposed on the positive current collector, a negative electrode disposed on the negative current collector, and a separator disposed on the positive electrode and the negative electrode, the separator carrying an electrolyte therein.
Further, the flexible battery component also comprises a sealing rubber ring for packaging the diaphragm on the surface of the label base material, and a sealing film is arranged on the sealing rubber ring.
Further, an insulating area is formed between the positive current collector and the negative current collector which are arranged at intervals, the length of the insulating area is the same as that of the positive current collector, and the width of the insulating area is 1-3 mm.
Further, the conductive points comprise ultrasonic welding points.
In conclusion, the utility model has the following beneficial effects:
the antenna coil and the flexible battery component are respectively arranged on two surfaces of the label base material, so that the insulation between the antenna coil and the flexible battery component can be realized; antenna coil prints in the first surface of label substrate, switch on the bridge subassembly and prints in the second surface of label substrate, switch on the bridge subassembly and pass through conductive point and antenna coil and be connected, then arrange flexible battery pack in the second surface of label substrate when direct and switch on the bridge subassembly and be connected and can realize the power supply, can simplify connection structure and production technology, improve production efficiency, and can improve flexible battery pack and antenna coil's stability of being connected, make flexible battery pack can stabilize the power supply for the radio frequency label.
Drawings
FIG. 1 is a schematic structural diagram of an ultra-thin energy storage device for a single-band RF tag according to an embodiment;
FIG. 2 is a schematic structural diagram of an antenna coil according to an embodiment;
fig. 3 is a schematic structural diagram of a flexible battery assembly in an embodiment.
In the figure: 1. a label substrate; 2. an antenna coil; 21. a first end contact; 22. a second end contact; 31. a first conduction bridge; 32. a second conduction bridge; 41. a third pass-through bridge; 42. a fourth pass-through bridge; 5. a flexible battery assembly; 51. a positive current collector; 52. a negative current collector; 53. a positive electrode; 54. a negative electrode; 55. a diaphragm; 56. sealing the rubber ring; 57. a sealing film; 6. and (4) a conductive point.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example (b):
an ultra-thin energy storage device for a single-frequency-band radio frequency tag is disclosed, and referring to fig. 1 to 3, the ultra-thin energy storage device comprises a tag substrate 1; the antenna coil 2 is arranged on the first surface of the label base material 1, the flexible battery component 5 and the conduction bridge component are respectively arranged on the second surface of the label base material 1, and the conductive points 6 are arranged on the label base material 1 in a penetrating mode; the flexible battery component 5 is connected with the conducting bridge component, and the conducting bridge component is electrically connected with the antenna coil 2 through the conducting point 6; in the embodiment, the antenna coil 2 and the flexible battery assembly 5 are respectively arranged on two surfaces of the label base material 1, so that the insulation between the antenna coil and the flexible battery assembly can be realized; antenna coil 2 prints in the first surface of label substrate 1, switch on the bridge subassembly and print in the second surface of label substrate 1, and switch on the bridge subassembly and realize the electricity with antenna coil 2 through conductive point 6 and be connected, then arrange flexible battery pack 5 when the second surface of label substrate 1 directly can realize the power supply with switching on the bridge subassembly and be connected, connection structure and production technology can be simplified, the production efficiency is improved, and the stability of being connected of flexible battery pack 5 and antenna coil 2 can be improved, make flexible battery pack 5 can stabilize the power supply for the radio frequency label.
Referring to fig. 1 to 3, specifically, the antenna coil 2 in the present embodiment includes a first end contact 21 formed on an inner side thereof, and a second end contact 22 formed on an outer side thereof; the pass-bridge assembly comprises a first pass-bridge 31 and a third pass-bridge 41; the first conductive bridge 31 and the first end contact 21, and the third conductive bridge 41 and the second end contact 22 are electrically connected through the conductive point 6 penetrating through the label substrate 1; specifically, the conductive point 6 in this embodiment is an ultrasonic welding point, that is, the conductive point 6 penetrating through the tag substrate 1 is formed between the first conductive bridge 31 and the first end contact 21 by ultrasonic welding; of course, in other alternative embodiments, the conductive dots 6 may be formed by coating conductive paste after punching, which is not limited herein.
Referring to fig. 1 to 3, the pass-bridge assembly in this embodiment further includes a second pass-bridge 32 cooperating with the first pass-bridge 31, and a fourth pass-bridge 42 cooperating with the third pass-bridge 41; the flexible battery assembly 5 comprises a positive current collector 51 and a negative current collector 52 which are arranged at intervals, the positive current collector 51 is connected with the second conduction bridge 32, and the negative current collector 52 is connected with the fourth conduction bridge 42; radio frequency chips (not shown in the drawing) are arranged at the collection points of the first conduction bridge 31, the second conduction bridge 32, the third conduction bridge 41 and the fourth conduction bridge 42, and a complete conduction loop is formed by using the radio frequency chips, so that the flexible battery assembly 5 stably supplies power to the radio frequency tag; preferably, the radio frequency chip is opposite to the inner area of the antenna coil 2.
Referring to fig. 1 to 3, the flexible battery assembly 5 in the present embodiment further includes a positive electrode 53 disposed on the positive current collector 51, a negative electrode 54 disposed on the negative current collector 52, and a separator 55 disposed on the positive electrode 53 and the negative electrode 54, the separator 55 carrying an electrolyte therein; meanwhile, the flexible battery assembly 5 further comprises a sealing rubber ring 56 for packaging the diaphragm 55 on the surface of the label substrate 1, and a sealing film 57 is arranged on the sealing rubber ring 56; in the present embodiment, the label substrate 1 and the sealing film 57 encapsulate the positive current collector 51, the negative current collector 52, the positive electrode 53, the negative electrode 54, and the separator 55 carrying an electrolyte therein by the sealing rubber ring 56, and the sealing rubber ring 56 is arranged at the outline of the separator 55, so that the sealing property can be ensured; in this embodiment, the positive tab protruding from the diaphragm 55 is integrally formed at the end of the positive current collector 51, the positive tab is connected to the second conduction bridge 32, the negative tab protruding from the diaphragm 55 is integrally formed at the end of the negative current collector 52, and the negative tab is connected to the fourth conduction bridge 42; specifically, in the present embodiment, an insulating region is formed between the positive current collector 51 and the negative current collector 52 which are spaced apart from each other, the length of the insulating region is the same as the length of the positive current collector 51, and the width of the insulating region is 1 to 3 mm.
The working principle is as follows:
during production, the antenna coil 2 and the conduction bridge assembly are printed on the first surface and the second surface of the label substrate 1 respectively, and then the first conduction bridge 31 and the first end contact 21 and the third conduction bridge 41 and the second end contact 22 are electrically connected through ultrasonic welding; then, arranging the positive and negative current collectors, the positive and negative electrodes, the diaphragm 55, the sealing rubber ring 56 and the sealing film 57 of the flexible battery assembly 5 on the second surface of the label substrate 1 in sequence, so as to realize the integration of the antenna coil 2 and the flexible battery assembly 5; after the antenna coil 2 and the flexible battery pack 5 are integrated, the connecting structure and the production process can be simplified, the production efficiency is improved, the connection stability of the antenna coil 2 and the flexible battery pack 5 can be improved, and stable power supply of the radio frequency tag is guaranteed.
Claims (9)
1. An ultra-thin energy storage device for a single-band radio frequency tag, comprising:
a label substrate;
the antenna coil is arranged on the first surface of the label base material;
the flexible battery component is arranged on the second surface of the label substrate;
the conduction bridge assembly is arranged on the second surface of the label base material; and the number of the first and second groups,
conductive dots through the label substrate;
the flexible battery component is connected with the conduction bridge component, and the conduction bridge component is connected with the antenna coil through the conductive point.
2. The ultra-thin energy storage device for single-band radio frequency tags of claim 1, wherein: the antenna coil includes a first end contact formed at an inner side thereof, and a second end contact formed at an outer side thereof; the conduction bridge assembly comprises a first conduction bridge and a third conduction bridge; and the first conduction bridge and the first end part connecting point and the third conduction bridge and the second end part connecting point are electrically connected through the conductive points respectively.
3. The ultra-thin energy storage device for single-band radio frequency tags of claim 2, wherein: the conducting bridge assembly further comprises a second conducting bridge matched with the first conducting bridge and a fourth conducting bridge matched with the third conducting bridge; the flexible battery component comprises a positive current collector and a negative current collector which are arranged at intervals, the positive current collector is connected with the second conduction bridge, and the negative current collector is connected with the fourth conduction bridge.
4. The ultra-thin energy storage device for single-band radio frequency tags of claim 3, wherein: and radio frequency chips are arranged at the collection points of the first conduction bridge, the second conduction bridge, the third conduction bridge and the fourth conduction bridge.
5. The ultra-thin energy storage device for single-band radio frequency tags of claim 4, wherein: the radio frequency chip is opposite to the inner side area of the antenna coil.
6. The ultra-thin energy storage device for single-band radio frequency tags of claim 3, wherein: the flexible battery assembly also includes a positive electrode disposed on the positive current collector, a negative electrode disposed on the negative current collector, and a separator disposed on the positive and negative electrodes, the separator carrying an electrolyte therein.
7. The ultra-thin energy storage device for single-band radio frequency tags of claim 6, wherein: the flexible battery component further comprises a sealing rubber ring for packaging the diaphragm on the surface of the label base material, and a sealing film is arranged on the sealing rubber ring.
8. The ultra-thin energy storage device for single-band radio frequency tags of claim 3, wherein: an insulating area is formed between the positive current collector and the negative current collector which are arranged at intervals, the length of the insulating area is the same as that of the positive current collector, and the width of the insulating area is 1-3 mm.
9. The ultra-thin energy storage device for single-band radio frequency tags of claim 1, wherein: the conductive points comprise ultrasonic welding points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122902852.8U CN216389550U (en) | 2021-11-24 | 2021-11-24 | Ultrathin energy storage device for single-frequency-band radio frequency tag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122902852.8U CN216389550U (en) | 2021-11-24 | 2021-11-24 | Ultrathin energy storage device for single-frequency-band radio frequency tag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216389550U true CN216389550U (en) | 2022-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122902852.8U Active CN216389550U (en) | 2021-11-24 | 2021-11-24 | Ultrathin energy storage device for single-frequency-band radio frequency tag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216389550U (en) |
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2021
- 2021-11-24 CN CN202122902852.8U patent/CN216389550U/en active Active
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