CN220381602U - Hall switch label device - Google Patents
Hall switch label device Download PDFInfo
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- CN220381602U CN220381602U CN202321630400.1U CN202321630400U CN220381602U CN 220381602 U CN220381602 U CN 220381602U CN 202321630400 U CN202321630400 U CN 202321630400U CN 220381602 U CN220381602 U CN 220381602U
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- switch
- hall
- chip
- rfid tag
- induction
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- 230000006698 induction Effects 0.000 claims abstract description 58
- 238000013459 approach Methods 0.000 description 4
- 230000003993 interaction Effects 0.000 description 2
- 235000012431 wafers Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
Abstract
The utility model relates to the technical field of RFID labels, in particular to a Hall switch label device, which comprises an RFID label and an induction device, wherein the RFID label is electrically connected with the induction device, is activated in a magnetic field of a rated wave band and records target information detected by the induction device; the RFID tag comprises an induction coil and an IC chip, the IC chip is electrically connected with the induction coil 1 through a conductive pin, the induction device comprises a Hall magnetic switch, one end of the Hall magnetic switch is connected with the induction coil in series, and the other end of the Hall magnetic switch is connected with a ground wire. The RFID tag of the present utility model is used to be fixed with a device; the induction device comprises the Hall magnetic switch, and the read-write function of the RFID tag is controlled through magnetic force, so that the induction device is more convenient to use and has a simple structure and lower cost compared with the prior art.
Description
Technical Field
The utility model relates to the technical field of RFID labels, in particular to a Hall switch label device.
Background
The RFID is widely applied, and is typically applied to animal wafers, automobile wafer burglar alarms, access control, parking lot control, production line automation, material management and the like.
The existing RFID tag generally has no induction device, only an antenna and a chip, and the working state is as follows: after receiving the instruction information of the reader, the fixed serial number information written into the chip is fed back to prove the source of the product. Therefore, the conventional RFID tag has the problems of single function, incapability of being reused in different occasions, and the like.
Aiming at the problems, chinese patent publication No. CN213634544U discloses a label device which comprises a label and a sensing device, wherein the sensing device is electrically connected with the label, the label comprises a chip and an antenna, the chip is connected with the antenna through a conductive pin, the sensing device comprises a film key and a pressure sensor, the pressure sensor is arranged below a film panel of the film key, the film key comprises one or more switch contacts, the switch contacts are arranged in an array, the heights of two adjacent columns of switch contacts in the film key are different, the heights of the switch contacts in each column are the same, the height range of the switch contacts in a single column in the film key is 2-3mm, and the heights of the switch contacts in a double column are 5-6mm. This prior art is through a plurality of switch contact control label functions on the film button, and its use is inconvenient, and this label device structure is complicated, and the cost is higher.
Thus, there is room for improvement in the art.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a Hall switch label device, and the RFID label is used for being fixed with equipment; the induction device comprises the Hall magnetic switch, and the read-write function of the RFID tag is controlled through magnetic force, so that the induction device is more convenient to use compared with the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the Hall switch label device comprises an RFID label and an induction device, wherein the RFID label is electrically connected with the induction device, is activated in a magnetic field of a rated wave band and records target information detected by the induction device; the RFID tag comprises an induction coil and an IC chip, the IC chip is electrically connected with the induction coil 1 through a conductive pin, the induction device comprises a Hall magnetic switch, one end of the Hall magnetic switch is connected with the induction coil in series, and the other end of the Hall magnetic switch is connected with a ground wire. The RFID tag of the present utility model is used to be fixed with a device; the induction device comprises the Hall magnetic switch, and the read-write function of the RFID tag is controlled through magnetic force, so that the induction device is more convenient to use and has a simple structure and lower cost compared with the prior art.
According to the scheme, the IC chip is connected in parallel with the induction coil and the Hall magnetic switch. The magnetic switch is used for carrying out signal interaction among the induction coil, the IC chip and the Hall magnetic switch.
According to the scheme, the Hall magnetic switch is an open-circuit switch. When the RFID tag is read, the induction coil generates induction current, and if no external magnetic interference exists at the moment, the current cannot flow into the IC chip and the IC chip cannot be read. When magnetic forces approach, the RFID tag is read by the device. That is, the circuit is closed with the magnetic field, and the non-magnetic field remains open.
According to the scheme, the Hall magnetic switch is a closed switch. When the RFID tag is read, the induction coil generates induction current, and the induction current passes through the closed circuit switch, if no external magnetic force is interfered at the moment, the other end of the closed circuit switch is connected with the IC chip, the IC chip can be read, the RFID tag cannot be read by the equipment when the magnetic force approaches, that is, the magnetic field circuit is disconnected, and the non-magnetic field is kept to be closed.
According to the scheme, the IC chip is a passive RFID tag chip. The passive RFID tag chip omits a power supply system, so that the volume of the passive RFID tag chip can reach centimeter magnitude or even smaller, and the passive RFID tag chip has the advantages of simple structure, low cost, low failure rate and long service life.
According to the scheme, the RFID tag is made of a PCB material or an FPC material.
The Hall switch tag device of the utility model has wide application field,
such as: the device can be used for playing a ground mouse game, an RFID tag can be arranged on the ground mouse, a reader-writer is arranged in the ground mouse, a magnet can be arranged on a hammer head, different data can be written by the tag, and different actions or different voices can be displayed on a display after the game is played;
another example is: the anti-theft alarm device can be used for anti-theft alarm, the RFID tag is attached to the magnetic lock, and in an initial state, the RFID tag is not read (the Hall magnetic switch is a closed switch, a magnetic field circuit is opened, and no magnetic field is kept closed), and when the magnetic lock is opened, the RFID tag is read, and an instruction is sent to the background to alarm or other functions.
The utility model has the beneficial effects that:
the RFID tag of the present utility model is used to be fixed with a device; the induction device comprises the Hall magnetic switch, and the read-write function of the RFID tag is controlled through magnetic force, so that the induction device is more convenient to use and has a simple structure and lower cost compared with the prior art.
Drawings
FIG. 1 is a schematic circuit diagram of the present utility model;
FIG. 2 is an assembly view of a Hall switch tag device according to the first embodiment;
FIG. 3 is an assembly view of a Hall switch tag device in accordance with the second embodiment;
in the figure: 1. an induction coil; 2. an IC chip; 3. an open-circuit switch; 4. and a closed switch.
Detailed Description
The technical scheme of the utility model is described below with reference to the accompanying drawings and examples.
Embodiment one:
as shown in fig. 1 and 2, the hall switch tag device of the present utility model includes an RFID tag and an induction device, the RFID tag is electrically connected with the induction device, and the RFID tag is activated in a magnetic field of a rated wave band and records target information detected by the induction device; the RFID tag comprises an induction coil 1 and an IC chip 2, the IC chip 2 is electrically connected with the induction coil 1 through a conductive pin, the induction device comprises a Hall magnetic switch, one end of the Hall magnetic switch is connected with the induction coil 1 in series, and the other end of the Hall magnetic switch is connected with a ground wire. The RFID tag of the present utility model is used to be fixed with a device; the induction device comprises the Hall magnetic switch, and the read-write function of the RFID tag is controlled through magnetic force, so that the induction device is more convenient to use and has a simple structure and lower cost compared with the prior art.
It should be noted that, the induction coil 1 of the present utility model can increase the length of the wire of the antenna as much as possible in a limited area, thereby increasing the inductance value of the antenna; and a larger inductance value can be obtained by a smaller size of the induction coil 1, thereby downsizing the RFID tag having the induction coil 1.
In this embodiment, the IC chip 2 is connected in parallel to the induction coil 1 and the hall magnetic switch. The magnetic circuit is used for signal interaction, namely signal receiving/transmitting, among the induction coil 1, the IC chip 2 and the Hall magnetic switch.
In this embodiment, the hall magnetic switch is an open switch 3. When the RFID tag is read, the induction coil 1 generates an induction current, and if no external magnetic interference occurs at this time, the current cannot flow into the IC chip 2 and the IC chip 2 cannot be read through the open switch 3, and the other ground line of the open switch 3 is not electrically connected. When magnetic forces approach, the RFID tag is read by the device. That is, the circuit is closed with the magnetic field, and the non-magnetic field remains open.
In this embodiment, the IC chip 2 is a passive RFID tag chip. The passive RFID tag chip omits a power supply system, so that the volume of the passive RFID tag chip can reach centimeter magnitude or even smaller, and the passive RFID tag chip has the advantages of simple structure, low cost, low failure rate and long service life.
In this embodiment, the RFID tag is made of a PCB material or an FPC material.
Embodiment two:
as shown in fig. 3, the hall magnetic switch is a closed switch 4. When the RFID tag is read, the induction coil 1 generates induction current, and the induction current passes through the closed circuit switch 4, if no external magnetic force interference exists at the moment, the other end of the closed circuit switch 4 is connected with the IC chip 2, the IC chip 2 can be read, when magnetic force approaches, the RFID tag cannot be read by the equipment, that is, a magnetic field circuit is disconnected, and no magnetic field is kept to be closed.
The second embodiment is different from the first embodiment in that the hall magnetic switch is a closed switch 4, and the working principle of the hall magnetic switch is opposite to that of the first embodiment; the other structures and working principles are the same as those of the first embodiment, and the description thereof will not be repeated.
The Hall switch tag device of the utility model has wide application field,
such as: the device can be used for playing a ground mouse game, an RFID tag can be arranged on the ground mouse, a reader-writer is arranged in the ground mouse, a magnet can be arranged on a hammer head, different data can be written by the tag, and different actions or different voices can be displayed on a display after the game is played;
another example is: the anti-theft alarm device can be used for anti-theft alarm, the RFID tag is attached to the magnetic lock, and in an initial state, the RFID tag is not read (the Hall magnetic switch is a closed switch 4, a magnetic field circuit is opened, no magnetic field is kept closed), and when the magnetic lock is opened, the RFID tag is read, and an instruction is sent to the background to alarm or other functions.
The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative, not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are all within the scope of the present utility model.
Claims (5)
1. A hall switch label device, includes RFID label and induction system, its characterized in that: the RFID tag is electrically connected with the induction device, is activated in a magnetic field of a rated wave band and records target information detected by the induction device; the RFID tag comprises an induction coil and an IC chip, the IC chip is electrically connected with the induction coil through a conductive pin, the induction device comprises a Hall magnetic switch, one end of the Hall magnetic switch is connected with the induction coil in series, and the other end of the Hall magnetic switch is connected with a ground wire.
2. A hall switch tag assembly as set forth in claim 1, wherein: the IC chip is connected in parallel with the induction coil and the Hall magnetic switch.
3. A hall switch tag assembly as set forth in claim 2, wherein: the Hall magnetic switch is an open-circuit switch.
4. A hall switch tag assembly as set forth in claim 2, wherein: the Hall magnetic switch is a closed switch.
5. A hall switch tag assembly as set forth in claim 2, wherein: the IC chip is a passive RFID tag chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321630400.1U CN220381602U (en) | 2023-06-26 | 2023-06-26 | Hall switch label device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321630400.1U CN220381602U (en) | 2023-06-26 | 2023-06-26 | Hall switch label device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220381602U true CN220381602U (en) | 2024-01-23 |
Family
ID=89563109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321630400.1U Active CN220381602U (en) | 2023-06-26 | 2023-06-26 | Hall switch label device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220381602U (en) |
-
2023
- 2023-06-26 CN CN202321630400.1U patent/CN220381602U/en active Active
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