CN212486478U - Wireless answering machine system capable of touching plus-minus scores - Google Patents

Abstract

The utility model relates to a wireless answering machine system capable of touching plus-minus scores, which comprises a master controller, a plurality of answering machines and a receiving base station; the main controller comprises a first control unit, a magnetic element and a first communication module; the answering machine comprises a second control unit, a magnetic-sensitive sensor and a second communication module; the magnetic sensor is used for converting a magnetic field change signal caused by the main controller entering a preset magnetic induction area into an electric signal and transmitting the electric signal to the second control unit; the second communication module is used for receiving the control instruction sent by the first communication module and transmitting the control instruction to the second control unit; the second control unit outputs an operation instruction according to the electric signal and the control instruction so as to complete corresponding addition, subtraction and division operations. The system completes the operation of adding and subtracting points by touching (or not touching, and entering a preset magnetic induction area) through the magnetic sensor, and achieves the purposes of low power consumption, simple circuit, small volume and capability of mobilizing the enthusiasm of students.

Description

Wireless answering machine system capable of touching plus-minus scores

Technical Field

The utility model relates to a technical field of magnetic field response especially relates to a can touch wireless answer ware system of plus-minus score.

Background

In recent years, wireless electronic answering machines are increasingly used in audio-visual teaching because they can quickly understand how students grasp knowledge points, and can improve teaching interactivity. The wireless electronic answering machine uses a wireless communication technology, has keys and liquid crystal display, has one hand for each student, has a receiver for a teacher computer, can collect the answering results of the students for several seconds, and can also be used for quiz answering or other game competitions.

The teacher often has a master controller to control the computer operation remotely, and in order to improve the study enthusiasm of children, the scores of the children are added in the form of gold coins or small red flowers when the children answer the book.

In order to realize the functions, the general scheme is to adopt the current near field communication mode of NFC, namely, an NFC chip is added at the answer device end, an NFC read-write circuit is added at the main controller end, and therefore integral reward operation is executed through NFC read-write operation when the main controller is close to the keyboard. Because the NFC chip and the NFC read-write circuit are added, the problem of power consumption increase is also considered besides cost increase, and meanwhile, because the NFC coil is arranged, a circuit board is not arranged around the coil as much as possible, so that the thicknesses of the main controller and the answer device structure are increased.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the above-mentioned shortcoming, the deficiency of prior art, the utility model provides a can touch add and subtract wireless answer ware system of dividing, it has solved under the condition that does not use NFC, utilizes the original radio frequency communication circuit of system, just can realize touching the function of dividing, still guarantees the technical problem of low-cost and low-power consumption simultaneously.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

in a first aspect, an embodiment of the present invention provides a wireless answering machine system capable of touching add-subtract-divide, which includes a master controller, a plurality of answering machines and a receiving base station; the main controller is in wireless communication with the answering machines through the receiving base station; the main controller comprises a first control unit, a magnetic element and a first communication module electrically connected with the first control unit; the answering machine comprises a second control unit, a magnetic sensor and a second communication module, wherein the magnetic sensor and the second communication module are electrically connected with the second control unit; the magnetic sensor is used for converting a magnetic field change signal caused by the main controller entering a preset magnetic induction area into an electric signal and transmitting the electric signal to the second control unit; the second communication module is used for receiving the control instruction sent by the first communication module and transmitting the control instruction to the second control unit; and the second control unit outputs an operation instruction according to the electric signal and the control instruction so as to complete corresponding addition, subtraction and division operations.

Optionally, the magnetic sensor is a hall sensor, and the magnetic element is a magnet.

Optionally, the range of the preset magnetic induction area is 0cm to 20 cm.

Optionally, the electrical signal comprises a high level signal and a low level signal; the magnetic sensor correspondingly outputs the low level signal when the current magnetic field strength is higher than a first magnetic field strength, and the magnetic sensor correspondingly outputs the high level signal when the current magnetic field strength is lower than a second magnetic field strength; the first magnetic field strength is higher than the second magnetic field strength.

Optionally, the second control unit includes a setting function module, configured to dynamically adjust the first magnetic field strength and the second magnetic field strength according to a change of a background magnetic field.

Optionally, the first communication module and the second communication module are both wireless radio frequency modules; the first control unit and the second control unit are both a single chip microcomputer or a CPLD or an FPGA.

Optionally, the main controller further includes a first key module and a first display module electrically connected to the first control unit; the first key module is used for acquiring the input operation of adding and subtracting the scores of the main controller; the first display module is used for displaying the contents including scores of different answering machines and successful bonus points.

Optionally, the answering machine further comprises a second key module, a second display module, a status indicator light and/or a sound generating device, wherein the second key module, the second display module and the status indicator light and/or the sound generating device are connected with the second control unit; the second key module is used for acquiring input operation of answering of the answering machine; the second display module is used for displaying the integral, the answering content and the name; and the state indicator light and/or the sound generating device are used for prompting the completion of the division operation.

(III) advantageous effects

The utility model has the advantages that: the utility model discloses a can touch the wireless answer ware system of addding the mark to the weak point development of traditional teaching feedback. Firstly, a first communication module of a main controller sends a control instruction to a second communication module of the answer device through a receiving base station, then the main controller provided with a magnetic element enters a preset magnetic induction area of the answer device provided with a magnetic-sensitive sensor, the magnetic-sensitive sensor detects a surrounding magnetic field change signal, the magnetic field change signal is processed and converted into an electric signal to be output, and a second control unit of the answer device receives the control instruction and the electric signal to execute a corresponding add-subtract instruction. The system completes the operation of adding and subtracting points by touching (or not touching, and only can the system enter a preset magnetic induction area) through the magnetic sensor, structurally realizes the purposes of low power consumption, simple circuit and small volume, functionally realizes the function of adding points on the spot when a teacher walks to a student, and stimulates the learning enthusiasm and the honor of the student in a face-to-face adding way.

Drawings

Fig. 1 is a schematic diagram illustrating a wireless answering machine system capable of touching plus-minus scores provided by the present invention;

fig. 2 is a schematic diagram illustrating the main controller of the wireless answering machine system capable of touching plus-minus scores provided by the present invention;

fig. 3 is a schematic diagram illustrating the composition of the answering machine of the wireless answering machine system capable of touching plus-minus scores provided by the present invention;

fig. 4 is a schematic structural diagram of a main controller of a wireless answering machine system capable of touching add-subtract-divide provided by the present invention;

fig. 5 is a schematic structural view of an answering machine of the wireless answering machine system capable of touching add-subtract score;

fig. 6 is a schematic flow chart of a wireless answering machine system capable of touching add-subtract scores provided by the present invention;

fig. 7 is a flow chart of the main controller of the wireless answering machine system capable of touching plus-minus division according to the present invention for receiving and transmitting signals;

fig. 8 is a flow chart of the answering machine transceiving signals of the wireless answering machine system capable of touching the add-subtract score.

[ description of reference ]

10: a master controller; 11: a first control unit; 12: a first communication module; 13: a first key module; 14: a first display module; 15: a magnetic element;

20: an answering machine; 21: a second control unit; 22: a second communication module; 23: the second key module: 24: a second display module; 25: a magnetic sensor; 26: status indicator lights and/or audible devices;

30: a base station is received.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

Fig. 1 is the utility model provides a pair of can touch the constitution sketch map of the wireless answer ware system of plus-minus minutes, as shown in fig. 1, the embodiment of the utility model provides a can touch the wireless answer ware 20 system of plus-minus minutes, it includes master controller 10, a plurality of answer ware 20 and receiving base station 30, every answer ware 20's structure is unanimous with the function is all. Master controller 10 and plurality of answering machines 20 communicate wirelessly via a receiving base station. The plurality of answering machines 20 are not affected by each other and are all connected with the receiving base station 30.

Fig. 2 is a schematic diagram illustrating a main controller 10 of a wireless answering machine 20 system capable of touching add-subtract-divide, as shown in fig. 2, the main controller 10 includes a first control unit 11, a magnetic element 15, and a first communication module 12 electrically connected to the first control unit 11.

Fig. 3 is a schematic diagram illustrating the composition of answer device 20 of the wireless answer device 20 system capable of touching add-subtract-divide provided by the present invention, as shown in fig. 3, answer device 20 includes a second control unit 21, and a magnetic sensor 25 and a second communication module 22 electrically connected to second control unit 21.

The magnetic sensor 25 is used for converting a magnetic field change signal caused by the master controller 10 entering a preset magnetic induction area into an electric signal. When the main controller 10 with the magnetic element 15 enters the magnetic induction area, the magnetic sensor 25 detects the change signal of the surrounding magnetic field, and the change signal is processed and converted into an electric signal to be output to the second control unit 21. The second communication module 22 is configured to receive the control instruction sent by the first communication module 12 and transmit the control instruction to the second control unit 21. The second control unit 21 outputs an operation instruction according to the electric signal and the control instruction to complete corresponding operation of addition, subtraction and division.

The utility model discloses a can touch the wireless answer ware 20 system of addding the mark to the weak development of traditional teaching feedback. First, the first communication module 12 of the master controller 10 sends a control command to the second communication module 22 of the answering machine 20 through the receiving base station 30, then the master controller 10 provided with the magnetic element 15 enters a preset magnetic induction area of the answering machine 20 provided with the magnetic sensor 25, the magnetic sensor 25 detects a surrounding magnetic field change signal, the signal is processed and converted into an electric signal to be output, and the second control unit 21 of the answering machine 20 receives the control command and the electric signal to execute a corresponding plus-minus division command. The system completes the operation of adding and subtracting points by touching (or not touching, and only can the system enter a preset magnetic induction area) through the magnetic sensor 25, structurally realizes the purposes of low power consumption, simple circuit and small volume, functionally realizes the function of adding points on the spot when a teacher walks to a student, and stimulates the learning enthusiasm and the honor sense of the student in a face-to-face adding way.

Further, the magnetic sensor 25 is a hall sensor, and the magnetic element 15 is a magnet. The Hall sensor comprises a voltage stabilizer, a Hall potential generator, a differential amplifier, a Schmitt trigger and an OC gate output. The Hall sensor has the advantages of high measurement precision, wide measurement range, firm structure, small volume and long service life. Preferably, the hall sensor is a switch type hall sensor, and the magnet is a permanent magnet.

Fig. 4 is a schematic structural view of the main controller 10 of the wireless answering machine 20 system capable of touching plus-minus separation provided by the present invention, as shown in fig. 4, the hall sensor is disposed at the first end of the answering machine 20. Fig. 5 is a schematic structural view of the answering machine 20 of the wireless answering machine 20 system of the present invention, which can be touched to add or subtract score, as shown in fig. 5, a magnet is disposed at the first end of the master controller 10. In addition, the range of the preset magnetic field induction area is 0 cm-20 cm.

The electrical signal then includes a high level signal and a low level signal. When the current magnetic field strength detected by the magnetic sensor 25 is higher than the first magnetic field strength, a low level signal is output, and when the magnetic field strength detected by the magnetic sensor 25 is lower than the second magnetic field strength, a high level signal is output. The first magnetic field strength is higher than the second magnetic field strength, where both magnetic field strengths are provided to achieve a hysteresis function to make the switching action of the magneto-sensitive sensor more reliable. Further, it is also possible to provide: when the current magnetic field strength is higher than the first magnetic field strength, a high level signal is output, and when the magnetic field strength detected by the magnetic sensor 25 is lower than the second magnetic field strength, a low level signal is output.

Furthermore, the second control unit 21 includes a setting function module, and the setting function module is configured to dynamically adjust the first magnetic field strength and the second magnetic field strength according to the change of the background magnetic field. In a specific application, the magnetic field of the magnetic field sensor area of the answer sheet 20 may be changed by other magnetic elements 15, and thus a false sensing occurs, for example, the master controller 10 does not enter the magnetic field sensor area and directly performs the operation of adding or subtracting points. Therefore, a setting function module for dynamically adjusting the first magnetic field strength and the second magnetic field strength according to the change of the background magnetic field needs to be added to the second control unit 21.

The first communication module 12 and the second communication module 22 are both wireless rf modules, and each wireless rf module includes a rf transmitter, a rf receiver, a clock generator, and a voltage regulator. The first control unit 11 and the second control unit 21 are both a single chip microcomputer or a CPLD or an FPGA. Because the singlechip or the CPLD or the FPGA can interfere the wireless radio frequency module, an isolation circuit is arranged between the singlechip or the CPLD or the FPGA to inhibit electromagnetic interference.

As shown in fig. 2, the main controller 10 further includes a first key module 13 electrically connected to the first control unit 11 and a first display module 14. The first key module 13 is used for obtaining the input operation of adding and subtracting the scores of the master controller 10. The first display module 14 is used for displaying the contents including scores of different answering machines which are successful in scoring.

As shown in fig. 3, the answering machine 20 further includes a second key module 23 connected to the second control unit 21, a second display module 24, and a status indicator light and/or sound emitting device 26; the second key module 23 is used for input operation of answering of the answering machine 20. The second display module 24 is used for displaying the scores, the answering contents and the names. The status indicator light and/or the sound generating device 26 is used for prompting that the add/subtract division operation is completed, specifically, after the add/subtract division operation is completed, the second display module 24 of the answering machine 20 updates the integral display, and then sends a response instruction to the main controller 10 to tell that the add division is successful, and meanwhile, a sound/light prompt is set.

To sum up, the utility model provides a can touch add and subtract wireless answer ware 20 system of dividing, fig. 6 does the utility model provides a can touch the flow schematic diagram of add and subtract wireless answer ware 20 system of dividing, as shown in fig. 6, this answer system includes a plurality of answer wares 20, receive basic station 30 and master controller 10, master controller 10 connects and receives basic station 30, each other does not influence and all is connected with receiving basic station 30 between a plurality of answer wares 20, master controller 10 includes first the control unit 11, magnetic element 15 and the first communication module 12 of being connected with first the control unit 11, first display module 14 and first button module 13. The main controller 10 includes a second control unit 21, and a magnetic sensor 25, a second communication module 22, a second display module 24, a second key module 23, and a status indicator light and/or a sound device 26 connected to the second control unit 21. In particular, the scheme is also provided with a function of dynamically adjusting the first magnetic field intensity and the second magnetic field intensity according to the change of the background magnetic field so as to prevent the false induction caused by the change of the surrounding background magnetic field. The utility model discloses a concrete working process as follows:

fig. 7 is a flow chart of the main controller 10 for receiving and transmitting signals of the wireless answering machine 20 system capable of touching plus-minus division, as shown in fig. 7, in the first step, pressing down the plus division on the first key module 13 of the main controller 10 will send the plus division instruction to the second communication module 22 of the answering machine 20 by the first communication module 12 of the main controller 10; in a second step, master controller 10 is brought close to answering machine 20, i.e. into a predetermined magnetic induction range of answering machine 20. The second control unit 21 of the answering machine 20 performs an adding operation and an integration update on the second display module 24 according to the reception of the adding instruction and the electric signal converted from the magnetic field change signal. The bonus can also be done by sound or light cues. If no sound or light prompt exists, the first step of the process is returned.

Fig. 8 is a flowchart of the answering machine 20 transmitting and receiving signals of the wireless answering machine 20 system capable of touching plus and minus scores, as shown in fig. 8, in the first step, the second communication module 22 of the answering machine 20 receives a score adding instruction; and the second step, judging whether the magnetic sensor 25 has an electric signal, if so, executing a scoring instruction, and if not, returning to the first step of the process.

The utility model discloses a magnetic element 15 on the remote controller sends a signal for magnetosensitive sensor 25 on answer ware 20 to the near field communication is realized to cooperation radio frequency communication circuit, and the touching of student's total mark can be accomplished and add the subtraction and the division. Meanwhile, data such as classroom answer and point reward of students can be transmitted to the cloud end, so that learning conditions of the students can be mastered, and the teaching purpose can be achieved more easily.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions.

It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the terms first, second, third and the like are for convenience only and do not denote any order. These words are to be understood as part of the name of the component.

Furthermore, it should be noted that in the description of the present specification, the description of the term "one embodiment", "some embodiments", "examples", "specific examples" or "some examples", etc., means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, the claims should be construed to include preferred embodiments and all changes and modifications that fall within the scope of the invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention should also be covered thereby.

Claims (8)

1. A wireless answering machine system capable of touching plus-minus scores is characterized by comprising a master controller, a plurality of answering machines and a receiving base station; the main controller is in wireless communication with the answering machines through the receiving base station;

the main controller comprises a first control unit, a magnetic element and a first communication module electrically connected with the first control unit;

the answering machine comprises a second control unit, a magnetic sensor and a second communication module, wherein the magnetic sensor and the second communication module are electrically connected with the second control unit;

the magnetic sensor is used for converting a magnetic field change signal caused by the main controller entering a preset magnetic induction area into an electric signal and transmitting the electric signal to the second control unit;

the second communication module is used for receiving the control instruction sent by the first communication module and transmitting the control instruction to the second control unit;

and the second control unit outputs an operation instruction according to the electric signal and the control instruction so as to complete corresponding addition, subtraction and division operations.

2. The wireless transponder system according to claim 1, wherein the magnetic sensor is a hall sensor, and the magnetic element is a magnet.

3. The wireless answering machine system capable of being touched for plus-minus scoring as claimed in claim 1, wherein the predetermined magnetic induction area is in a range of 0cm to 20 cm.

4. The system of claim 1, wherein said electrical signals comprise high level signals and low level signals; the magnetic sensor correspondingly outputs the low level signal when the current magnetic field strength is higher than a first magnetic field strength, and the magnetic sensor correspondingly outputs the high level signal when the current magnetic field strength is lower than a second magnetic field strength; the first magnetic field strength is higher than the second magnetic field strength.

5. The wireless transponder system according to claim 4, wherein the second control unit comprises a setting function module for dynamically adjusting the first magnetic field strength and the second magnetic field strength according to the variation of the background magnetic field.

6. The system of claim 1, wherein the first communication module and the second communication module are both rf modules; the first control unit and the second control unit are both a single chip microcomputer or a CPLD or an FPGA.

7. The wireless answering machine system capable of touching plus-minus scores of claim 1, wherein the main controller further comprises a first key module and a first display module electrically connected with the first control unit; the first key module is used for acquiring the input operation of adding and subtracting the scores of the main controller; the first display module is used for displaying the contents including scores of different answering machines and successful bonus points.

8. The wireless transponder system according to any one of claims 1-7, wherein said transponder further comprises a second key module, a second display module, and a status indicator light and/or a sound generating device connected to said second control unit; the second key module is used for acquiring input operation of answering of the answering machine; the second display module is used for displaying the integral, the answering content and the name; and the state indicator light and/or the sound generating device are used for prompting the completion of the division operation.

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