CN216486227U - Electronic interaction panel - Google Patents
Electronic interaction panel Download PDFInfo
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- CN216486227U CN216486227U CN202123031936.5U CN202123031936U CN216486227U CN 216486227 U CN216486227 U CN 216486227U CN 202123031936 U CN202123031936 U CN 202123031936U CN 216486227 U CN216486227 U CN 216486227U
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- application terminal
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Abstract
The utility model discloses an electronic interaction is dull and stereotyped. Wherein, this electronic interaction panel includes: the electromagnetic induction device is used for inducing the distance between the application terminal and the writing component and determining the current variation trend and/or the voltage variation trend in the circuit according to the distance; the application terminal is provided with at least one wireless receiving coil; the writing component is provided with at least one wireless transmitting coil, and the application terminal charges or cuts off the power of the writing component through the mutual matching of the at least one wireless receiving coil and the at least one wireless transmitting coil according to the current change trend and/or the voltage change trend. The utility model provides a current detection application terminal and write the mode of the position relation between the subassembly and have technical problem with high costs.
Description
Technical Field
The utility model relates to a display system field particularly, relates to an electronic interaction is dull and stereotyped.
Background
The electronic interactive tablet can be applied to various application scenes, for example, the electronic interactive tablet can be applied to teaching, enterprise meetings and large-scale exhibitions. In practical applications, the electronic interactive tablet is usually used in combination with a writing pen, and a user can perform writing operations in a graphical user interface of the electronic interactive tablet through the writing pen.
In the prior art, a hall sensor is usually used to perform pen lifting detection on an electronic interaction tablet, that is, the state of a current writing pen on the electronic interaction tablet is detected by the hall sensor, and the state includes a writing pen lifting state and a writing pen lowering state. Then, the mode is single in function, and the Hall sensor is arranged in the electronic interaction panel, so that the production line steps are increased, the installation complexity of the electronic interaction panel is increased, and the production cost of the electronic interaction panel is also increased.
In view of the above problems, no effective solution has been proposed.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an electronic interaction is dull and stereotyped to solve current detection application terminal and write the mode of the position relation between the subassembly at least and have with high costs technical problem.
According to an aspect of the embodiment of the utility model provides an electronic interaction is dull and stereotyped, include: the electromagnetic induction device is used for inducing the distance between the application terminal and the writing component and determining the current variation trend and/or the voltage variation trend in the circuit according to the distance; the application terminal is provided with at least one wireless receiving coil; the writing component is provided with at least one wireless transmitting coil, and the application terminal charges or cuts off the power of the writing component through the mutual matching of the at least one wireless receiving coil and the at least one wireless transmitting coil according to the current change trend and/or the voltage change trend.
Further, the electromagnetic induction device is arranged in the application terminal.
Further, the application terminal further includes: and the wireless charging unit is connected with the at least one wireless receiving coil and used for charging the writing assembly through the at least one wireless receiving coil.
Further, the application terminal further includes: the first processor is connected with the electromagnetic induction device through a bus and used for generating prompt information according to the current variation trend and/or the voltage variation trend, wherein the prompt information represents the position relation between the writing component and the application terminal; and the display module is connected with the first processor and used for displaying the prompt message.
Further, the application terminal further includes: and the first wireless transmission module is connected with the first processor through a universal serial bus and is used for carrying out data transmission with the second wireless transmission module in the writing assembly.
Further, an electromagnetic induction device is disposed in the writing assembly.
Further, at least one wireless transmitting coil is connected with the electromagnetic induction device.
Further, the writing assembly further comprises: and the second processor is connected with the electromagnetic induction device and used for generating a control signal according to the current variation trend and/or the voltage variation trend and transmitting the control signal to the first processor of the application terminal through the second wireless transmission module so that the first processor generates prompt information.
Further, the writing assembly further comprises: and the second wireless transmission module is connected with the second processor and is used for carrying out data transmission with the first wireless transmission module in the application terminal, wherein the first wireless transmission module is connected with the first processor.
Further, the electromagnetic induction device comprises at least one of: the device comprises a voltage detection module, a current detection module and a power detection module.
The embodiment of the utility model provides an in, the adoption charges or the mode of outage for writing the subassembly through electric current variation trend and/or the voltage variation trend that the electromagnetic induction device sensed, through set up the electromagnetic induction device in the electronic interaction is dull and stereotyped, with the distance between response application terminal and the writing subassembly, and according to the electric current variation trend and/or the voltage variation trend in the distance confirming circuit, then the application terminal that is provided with at least one wireless receiving coil mutually supports through at least one wireless receiving coil and at least one wireless transmitting coil who sets up in writing the subassembly according to electric current variation trend and/or voltage variation trend, come to charge or the outage for writing the subassembly.
According to the above, in the application, the current change trend and/or the voltage change trend in the circuit are determined by the electromagnetic induction device according to the distance between the writing component and the application terminal, and then the application terminal can charge or cut off the power of the writing component according to the current change trend and/or the voltage change trend. In addition, in the charging assembly, a connecting circuit among the electromagnetic induction device, the application terminal and the writing assembly is simple, debugging is facilitated, and the reliability of the electronic interaction panel is improved.
Therefore, the purpose of carrying out pen lifting detection on the writing assembly is achieved through the scheme provided by the application, the technical effect of carrying the pen detection cost of the electronic interaction panel is achieved, and the technical problem that the existing mode for detecting the position relation between the application terminal and the writing assembly is high in cost is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic structural diagram of an electronic interactive tablet according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an alternative electronic interactive tablet according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an alternative electronic interactive tablet according to an embodiment of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
According to the utility model discloses according to the embodiment of the utility model provides an electronic interaction is dull and stereotyped, wherein, figure 1 is according to the utility model discloses electronic interaction is dull and stereotyped structural schematic diagram, as shown in figure 1, this electronic interaction is dull and stereotyped to include: electromagnetic induction device 10, application terminal 20, and writing assembly 30.
The electromagnetic induction device 10 is used for inducing the distance between the application terminal 20 and the writing component 30, and determining the current variation trend and/or the voltage variation trend in the circuit according to the distance. An application terminal 20 provided with at least one wireless receiving coil 201; and the writing component 30 is provided with at least one wireless transmitting coil 301, wherein the application terminal 20 is matched with at least one wireless receiving coil 201 and at least one wireless transmitting coil 301 to charge or power off the writing component 30 according to the current change trend and/or the voltage change trend.
Optionally, in this application, the electronic interaction tablet is composed of an application terminal 20 and a writing component 30, where the writing component 30 is configured to perform a touch operation in a touch display screen of the application terminal 20 to send a control signal to the application terminal 20, and the writing component 30 may be a writing pen, for example, a capacitive pen. The application terminal 20 is a main body portion of the electronic interactive tablet, which is provided with a wireless charging unit to supply power to the writing assembly 30.
It should be noted that, when the application terminal 20 charges the writing component 30, the writing component 30 is in a charging state; when the distance between the application terminal 20 and the writing assembly 20 reaches a preset distance, the writing assembly 30 is in a power-off state. Wherein it is determined that writing assembly 30 is lifted when writing assembly 30 transitions from the charged state to the de-energized state.
It should be noted that the electromagnetic induction device 10 described above may employ an electromagnetic induction operation mode to sense a distance change between the application terminal 20 and the writing element 30, so as to determine whether the writing element 30 is attached to the application terminal 20. If the writing assembly 30 is attached to the application terminal 20, the application terminal 20 may charge the writing assembly 30.
In an alternative embodiment, the electromagnetic induction device 10 includes at least one of: the device comprises a voltage detection module, a current detection module and a power detection module. The voltage detection module can detect a voltage variation trend in the circuit, the current detection module can detect a current variation trend in the current, and the power detection module can detect a power variation trend in the circuit. When the writing component is close to the application terminal, the magnetic flux of an induction coil in the electromagnetic induction device changes, and then the electromagnetic induction device determines a voltage change value in current according to the change of the magnetic flux. That is, in the present application, the application terminal 20 may determine whether the user has performed a pen-up operation on the writing assembly 30 according to the current variation trend and/or the voltage variation trend and/or the power variation trend in the circuit.
By the way, in the embodiment of the utility model provides an in, the adoption charges or the mode of outage for writing the subassembly through electric current trend and/or the voltage trend that electromagnetic induction device sensed, through set up electromagnetic induction device in the electronic interaction is dull and stereotyped, with the distance between response application terminal and the writing subassembly, and according to the electric current trend and/or the voltage trend in the distance determination circuit, then the application terminal that is provided with at least one wireless receiving coil mutually supports through at least one wireless receiving coil and at least one wireless transmitting coil who sets up in writing the subassembly according to electric current trend and/or voltage trend, come to charge or the outage for writing the subassembly.
It is easy to notice that, in this application, the current variation trend and/or the voltage variation trend in the circuit is determined by the electromagnetic induction device according to the distance between the writing component and the application terminal, and then the application terminal can charge or cut off the power supply for the writing component according to the current variation trend and/or the voltage variation trend, and no additional component is needed in the process, so that the manufacturing cost of the electronic interactive tablet is reduced. In addition, in the charging assembly, a connecting circuit among the electromagnetic induction device, the application terminal and the writing assembly is simple, debugging is facilitated, and the reliability of the electronic interaction panel is improved.
Therefore, the scheme provided by the application achieves the purpose of pen lifting detection on the writing assembly, the technical effect of pen lifting detection cost of an electronic interaction panel is achieved, and the technical problem that the existing mode for detecting the position relation between the application terminal and the writing assembly is high in cost is solved.
It should be noted that, in the present application, the electromagnetic induction device 10 may be disposed in the application terminal 20, and may also be disposed in the writing component 30.
In an alternative embodiment, the electromagnetic induction device 10 is provided in the application terminal 20. Fig. 2 shows an alternative electronic interactive tablet, and in fig. 2, the electromagnetic induction device 10 is disposed in the application terminal 20.
Optionally, as shown in fig. 2, the application terminal 20 includes, in addition to the electromagnetic induction device 10, a wireless receiving coil 201, a wireless charging unit 202, a first processor 203, a display module 204, and a first wireless transmission module 205.
The wireless charging unit 202 is connected with the at least one wireless receiving coil 201, and is used for charging the writing component 30 through the at least one wireless receiving coil 201; the first processor 203 is connected with the electromagnetic induction device 10 through a bus and is used for generating prompt information according to the current variation trend and/or the voltage variation trend, wherein the prompt information represents the position relationship between the writing component 30 and the application terminal 20; the display module 204 is connected with the first processor 203 and is used for displaying prompt information; the first wireless transmission module 205 is connected to the first processor 203 via a universal serial bus, and is configured to perform data transmission with the second wireless transmission module in the writing assembly 30.
Alternatively, in fig. 2, the electromagnetic induction device 10 may be a power detection device, which may determine a power variation trend in the circuit through the current variation trend, and the first processor 203 in the application terminal 20 may determine whether the user has performed pen-up detection on the writing assembly 30 according to the power variation trend. The electromagnetic induction device 10 is connected to the first processor 203 through SCL \ SDA, where SCL \ SDA is an I2C bus, SDA is a bidirectional data line, and SCL is a clock line.
In fig. 2, the system power supply 10 supplies power to the electromagnetic induction device 10. The first wireless transmission module 205 can be, but is not limited to, a bluetooth module, and similarly, the second wireless transmission module in the writing assembly 30 can also be a bluetooth module, where the bluetooth module can implement data communication between the application terminal 20 and the writing assembly 30.
Alternatively, in fig. 2, the first processor 203 may detect the magnitude of the current in the circuit through the power detection chip (i.e., the electromagnetic induction device 10) to determine whether the pen-up detection application needs to be turned on. When the writing component 30 is close to the application terminal 20, at least one wireless receiving coil 201 has voltage output, the total power of at least one wireless receiving coil 201 will rise, at this time, the electromagnetic induction device 10 detects that the current in the circuit becomes large, its internal register 1 is notified to the first processor 203 through the digital control bus, the first processor 203 notifies the top-layer application APP after receiving the electric signal sent by the electromagnetic induction device 10, the APP receives an instruction, the pen lifting detection window of the electronic interactive tablet is controlled, namely, the prompt information is displayed in the display module 204, so as to prompt the user that the writing component 30 is close to or adsorbed on the application terminal 20.
In another alternative embodiment, the electromagnetic induction device 10 is disposed in a writing assembly 30, such as an electronic interactive tablet as shown in FIG. 3, in which the electromagnetic induction device 10 is disposed in the writing assembly 30. In this scenario, the electromagnetic induction device 10 is provided only in the writing assembly 30, and not in the application terminal 20. That is, in fig. 3, the first processor 203 in the application terminal 20 is connected to only the first wireless transmission module 205, and the system power supply 40 is connected to the wireless charging unit 202 for supplying power to the wireless charging unit 202.
Optionally, in fig. 3, at least one wireless transmitting coil 301 is connected to the electromagnetic induction device 10, and meanwhile, the wireless transmitting coil 301 and the wireless receiving coil 201 cooperate with each other, so that the wireless charging unit 202 in the application terminal 20 charges the writing assembly 30.
Optionally, as shown in fig. 3, the writing assembly 30 includes, in addition to the wireless transmitting coil 301 and the electromagnetic induction device 10: a second processor 302 and a second wireless transmission module 303.
The second processor 302 is connected to the electromagnetic induction device 10, and is configured to generate a control signal according to the current variation trend and/or the voltage variation trend, and transmit the control signal to the first processor 203 of the application terminal 20 through the second wireless transmission module 303, so that the first processor 203 generates the prompt information; and a second wireless transmission module 303 connected to the second processor 302, configured to perform data transmission with the first wireless transmission module 205 in the application terminal 20, where the first wireless transmission module 205 is connected to the first processor 203.
In an alternative embodiment, the wireless transmitting coil 301 is disposed in the writing assembly 30 having a bluetooth module (i.e., the second wireless transmission module 303 described above), and the wireless receiving coil 201 is disposed in the application terminal 20. When the writing component 30 is close to the application terminal 20, the electromagnetic induction device 10 in the writing component 30 induces that the wireless receiving coil 201 of the application terminal 20 has voltage output, and at this time, the ADC interface of the second processor 302 can acquire the voltage induced by the electromagnetic induction device 10 and inform the bluetooth module (i.e., the second wireless transmission module 303 mentioned above) through the USB link whether the writing component 30 is close to the application terminal 20. When the second processor 302 detects that the output voltage is 0, it indicates that the writing assembly 30 is lifted; when the second processor 302 detects an output voltage of 1, it indicates that the writing assembly 30 is in a charged state and is not lifted.
In addition, at a moment when the writing component 30 is lifted up, the second processor 302 notifies the bluetooth module (i.e. the second wireless transmission module 303 mentioned above) through an IO interface, the bluetooth module (i.e. the second wireless transmission module 303 mentioned above) notifies the bluetooth module (i.e. the first wireless transmission module 205 mentioned above) in the application terminal 20 through a 2.4G wireless network, and then notifies the first processor 203 in the application terminal 20 through a USB link, the first processor 203 notifies the top-layer application APP after sending an electric signal by the electromagnetic induction device 10, and the APP receives an instruction to control the pen lifting detection window of the electronic interactive tablet, i.e. display a prompt message in the display module 204 to prompt the user that the writing component 30 is close to or attached to the application terminal 20.
According to the electronic interaction panel, the electronic interaction panel can realize a wireless charging function and a pen lifting detection function. Moreover, the electronic interaction panel has the advantages that the pen lifting detection system for pen lifting detection is simple in function, easy to use, low in cost, free of the need of adding other detection devices, stable, reliable and accurate in detection.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An electronic interactive tablet, comprising:
the electromagnetic induction device (10) is used for inducing the distance between the application terminal (20) and the writing component (30) and determining the current variation trend and/or the voltage variation trend in the circuit according to the distance;
the application terminal (20) is provided with at least one wireless receiving coil (201);
the writing component (30) is provided with at least one wireless transmitting coil (301), wherein the application terminal (20) charges or cuts off power to the writing component (30) through the cooperation of the at least one wireless receiving coil (201) and the at least one wireless transmitting coil (301) according to the current change trend and/or the voltage change trend.
2. Electronic interactive tablet according to claim 1, characterised in that the electromagnetic induction means (10) are provided in the application terminal (20).
3. Electronic interactive tablet according to claim 2, characterised in that said application terminal (20) further comprises:
a wireless charging unit (202) connected with the at least one wireless receiving coil (201) for charging the writing assembly (30) through the at least one wireless receiving coil (201).
4. Electronic interactive tablet according to claim 3, characterised in that said application terminal (20) further comprises:
the first processor (203) is connected with the electromagnetic induction device (10) through a bus and used for generating prompt information according to the current variation trend and/or the voltage variation trend, wherein the prompt information represents the position relation between the writing component (30) and the application terminal (20);
and the display module (204) is connected with the first processor (203) and is used for displaying the prompt message.
5. Electronic interactive tablet according to claim 4, characterised in that said application terminal (20) further comprises:
the first wireless transmission module (205) is connected with the first processor (203) through a universal serial bus and used for carrying out data transmission with the second wireless transmission module (303) in the writing component (30).
6. Electronic interaction tablet according to claim 1, characterized in that the electromagnetic induction means (10) are provided in the writing assembly (30).
7. Electronic interactive tablet according to claim 6, characterized in that the at least one wireless transmission coil (301) is connected with the electromagnetic induction means (10).
8. The electronic interactive tablet of claim 7, wherein the writing component (30) further comprises:
and the second processor (302) is connected with the electromagnetic induction device (10) and is used for generating a control signal according to the current change trend and/or the voltage change trend and transmitting the control signal to the first processor (203) of the application terminal (20) through a second wireless transmission module (303) so that the first processor (203) generates prompt information.
9. The electronic interactive tablet of claim 8, wherein the writing component (30) further comprises:
the second wireless transmission module (303) is connected to the second processor (302) and configured to perform data transmission with the first wireless transmission module (205) in the application terminal (20), wherein the first wireless transmission module (205) is connected to the first processor (203).
10. Electronic interactive tablet according to claim 1, characterised in that the electromagnetic induction means (10) comprise at least one of: the device comprises a voltage detection module, a current detection module and a power detection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123031936.5U CN216486227U (en) | 2021-12-03 | 2021-12-03 | Electronic interaction panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123031936.5U CN216486227U (en) | 2021-12-03 | 2021-12-03 | Electronic interaction panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216486227U true CN216486227U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123031936.5U Active CN216486227U (en) | 2021-12-03 | 2021-12-03 | Electronic interaction panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216486227U (en) |
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2021
- 2021-12-03 CN CN202123031936.5U patent/CN216486227U/en active Active
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