Wireless charging button and working method thereof

Abstract

This invention discloses a wireless charging button and its operating method, belonging to the field of electronic device technology. The wireless charging button includes: a housing, a circuit module disposed within the housing, and a connector disposed on the surface of the housing and electrically connected to the circuit module. The circuit module includes: a data processing unit, and a power supply unit, an input unit, a data output unit, and a charging unit electrically connected to the data processing unit. The input unit is a touch button disposed on the surface of the housing, and the charging unit is a wireless charging coil disposed within the housing. The working areas of the wireless charging coil and the touch button overlap. This invention enables charging based on existing button circuitry, and because the charging unit is a wireless charging coil, it allows passengers to charge their electronic devices without carrying a charger, solving the problems of low installation rates and inconvenience associated with existing charging units.

Description

Technical Field

[0001] This invention belongs to the field of electronic device technology, specifically a wireless charging button and its working method. Background Technology

[0002] Although some public transportation vehicles have charging sockets, the limited space inside these vehicles has resulted in a lower priority for their installation. Consequently, some passengers do not have charging sockets installed next to their seats when designing the circuits. Furthermore, passengers need to bring their own chargers and charging cables to charge their electronic devices. Summary of the Invention

[0003] Purpose of the invention: To provide a wireless charging button that can increase the installation rate of charging units in public transportation vehicles while reducing modifications to them, and at the same time make it convenient for passengers to charge their devices.

[0004] The technical solution of the present invention is as follows: In the first aspect, a wireless charging button is provided, which is a disembarkation prompt button, a disabled person's button, or a stroller button in public transportation.

[0005] The wireless charging button includes: a housing, a circuit module disposed within the housing, and a connector disposed on the surface of the housing and electrically connected to the circuit module.

[0006] The circuit module includes: a data processing unit, and a power supply unit, an input unit, a data output unit, and a charging unit electrically connected to the data processing unit.

[0007] The data processing unit is equipped with a power interface, a touch input interface, a data output interface, and a charging output interface.

[0008] The power supply unit is a power converter, which is electrically connected to the power interface and connector of the data processing unit.

[0009] The input unit is a touch button disposed on the surface of the housing, which is electrically connected to the touch input interface of the data processing unit.

[0010] The data output unit is electrically connected to the data output interface and connector of the data processing unit.

[0011] The charging unit is a wireless charging coil located inside the housing, which is electrically connected to the charging output interface of the data processing unit.

[0012] The working areas of the wireless charging coil and the touch button overlap.

[0013] When the data processing unit detects that the parameter change of the touch button reaches a threshold range, the data processing unit starts the charging unit.

[0014] In a further embodiment of the data processing unit in the first aspect, the data processing unit includes an MCU chip, the MCU chip storing a parameter comparison algorithm and / or a timing algorithm.

[0015] The parameter comparison algorithm includes a parameter threshold for comparing the parameter changes of the input unit.

[0016] The timing algorithm includes a time threshold for comparing the duration of parameter changes with that of the input unit.

[0017] In another embodiment of the data processing unit in the first aspect, the data processing unit includes a parameter comparison circuit and / or a timing circuit.

[0018] The parameter comparison circuit is equipped with a parameter threshold for comparing the parameter change value with that of the input unit.

[0019] The timing circuit is equipped with a time threshold that compares the duration of parameter changes with that of the input unit. By storing the algorithm in the MCU chip or setting up the corresponding circuit, it is possible to determine the passenger's need to touch the button.

[0020] In a further embodiment of the first aspect, the input unit is a capacitive touch button, a current-type touch button, a voltage-type touch button, or an inductive touch button.

[0021] The input unit inputs the parameter change values ​​of capacitance, current, voltage or inductance to the data processing unit. By monitoring different parameters through parameter monitoring algorithms, it can adapt to different types of touch buttons and meet the design requirements of different public transportation systems.

[0022] In a further embodiment of the first aspect, a permanent magnet is provided at one end of the housing near the charging unit. By providing the permanent magnet, the magnetic attraction of the button can be improved, further reducing the drop rate of electronic products.

[0023] In a further embodiment of the first aspect, the wireless charging button further includes a status display unit disposed on the surface of the housing.

[0024] The data processing unit is also equipped with a status output interface.

[0025] The status display unit is electrically connected to the status output interface of the data processing unit and the power supply unit.

[0026] The status display unit includes a display element of at least one color.

[0027] When the data processing unit detects a change in the parameters of the touch button, the data processing unit activates the status display unit.

[0028] In a further embodiment of the first aspect, the data processing unit is further provided with a first state output interface and a second state output interface.

[0029] The status display unit includes: a first display element, a first cutoff element, a first resistor, a second display element, a second cutoff element, and a second resistor.

[0030] The first display element is electrically connected to the power supply unit, the input terminal of the first cutoff element is electrically connected to the first display element, the first resistor is electrically connected to the output terminal of the first cutoff element, and the control terminal of the first cutoff element is electrically connected to the first state output interface of the data processing unit.

[0031] The second display element is electrically connected to the power supply unit, the input terminal of the second cutoff element is electrically connected to the first display element, the second resistor is electrically connected to the output terminal of the second cutoff element, and the control terminal of the second cutoff element is electrically connected to the second status output interface of the data processing unit.

[0032] There is a color difference between the first display element and the second display element.

[0033] In a further embodiment of the first aspect, the input unit further includes a timing circuit.

[0034] The timing circuit is electrically connected to the touch button, the power supply unit, and the touch input interface of the data processing unit.

[0035] The timing circuit is equipped with a time threshold. The timing circuit compares the duration of parameter changes of the touch button with the time threshold. By integrating the timing circuit into the input unit, the effect of reducing the false judgment rate can also be achieved.

[0036] In the second aspect, the method of operating the wireless charging button based on the first aspect includes: S1. The data processing unit monitors the parameter change value of the input unit.

[0037] S2. When the data processing unit detects a change in the parameters of the input unit, it compares the change in parameters with the parameter threshold.

[0038] S3. When the parameter change value is greater than the parameter threshold, the data processing unit starts the data output unit.

[0039] When the parameter change value is less than or equal to the parameter threshold, the data processing unit monitors the duration of the parameter change in the input unit and compares the duration of the parameter change with the time threshold.

[0040] S4. When the duration of parameter change is greater than or equal to the threshold, the data processing unit starts the charging unit.

[0041] When the duration of parameter change is less than the threshold, the data processing unit starts the data output unit. By combining the parameter change value and the duration of parameter change, the unit determines the passenger's need when pressing the button, further reducing the false judgment rate.

[0042] The beneficial effects of this invention are: by installing the charging unit in the high-priority disembarkation button, disabled person button, or stroller button in public transportation vehicles, charging can be achieved on the basis of the original button circuit, reducing the need for modifications to public transportation vehicles and thus increasing the installation rate of the charging unit in public transportation vehicles, solving the problem of low installation rate of existing charging units in public transportation vehicles.

[0043] Furthermore, the charging unit of this application is a wireless charging coil, which can charge passengers' electronic products without them carrying chargers, thus solving the problem of inconvenience for passengers using existing public transportation charging units.

[0044] Furthermore, the wireless charging coil used in this application has a strong magnetic attraction capability when powered on, which allows passengers' mobile phones and other electronic products to be attached to the surface of the casing for charging without falling off when the button is set vertically on the surface without any external support. Attached Figure Description

[0045] Figure 1 This is a schematic diagram of the circuit module of the present invention.

[0046] Figure 2 This is a front view schematic diagram of the housing of the present invention.

[0047] Figure 3 This is a rear view schematic diagram of the housing of the present invention.

[0048] Figure 4 This is a schematic diagram of the circuit module operation of the present invention.

[0049] The reference numerals in the figure are as follows: 1. Housing; 2. Connector; 3. Electronic product; 101. Data processing unit; 102. Power supply unit; 103. Input unit; 104. Data output unit; 105. Charging unit; 106. Status display unit; 107. Status setting unit; 1051. Wireless charging driver board; 1061. First display element; 1062. First cutoff element; 1063. First resistor; 1064. Second display element; 1065. Second cutoff element; 1066. Second resistor. Detailed Implementation

[0050] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the invention. However, it will be apparent to those skilled in the art that the invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid obscuring the invention.

[0051] This application discloses a wireless charging button that can increase the installation rate of charging units in public transportation vehicles while reducing modifications to public transportation vehicles, and at the same time making it convenient for passengers to charge their devices.

[0052] This wireless charging button is used as a disembarkation button, a disabled person's button, or a stroller button on public transportation.

[0053] In the first embodiment of the first aspect

[0054] The wireless charging button includes: a housing 1, a circuit module disposed within the housing 1, and a connector 2 disposed on the surface of the housing 1 and electrically connected to the circuit module.

[0055] The housing 1 can be provided with mounting holes or mounting clips for fixing to public transportation vehicles.

[0056] Connector 2 is used for electrical connection with external systems on public transportation used for voice announcements, call services, or adjustment of circuit module parameters.

[0057] like Figure 1 The circuit module shown includes: a data processing unit 101, and a power supply unit 102, an input unit 103, a data output unit 104, and a charging unit 105 electrically connected to the data processing unit 101.

[0058] The data processing unit 101 includes a power interface, a touch input interface, a data output interface, and a charging output interface. The data processing unit 101 is a circuit system including control components such as an MCU, and its function is to coordinate input, output, and the scheduling of the wireless charging unit 105. The MCU stores the system's program, performs system initialization and reset operations, controls the switching of input and output states, and judges and monitors the wireless charging unit 105, such as determining whether the product is being touched or requesting charging, and monitoring the charging status of the mobile phone. The initialization and reset operations of the data processing unit 101 can be performed by connecting the connector 2 to an external system used for adjusting the circuit module parameters. Figure 1The status setting unit 107 shown converts signals from the external system, thereby adjusting the parameter threshold or time threshold of the data processing unit 101, and adjusting the triggering conditions of the status display unit 106. For example, the data processing unit 101 can be set to output a low level when the input unit 103 is not touched, and the status display unit 106 will display a solid green light. When the input unit 103 is touched, the data processing unit 101 outputs a high level, i.e., 24VDC, for a duration of about 300ms, during which the output current is about 200mA, and the status display unit 106 displays a red light.

[0059] By converting the signals of the external system through the status setting unit 107, the data processing unit 101 can be set to output a low level when the input unit 103 is not touched, and the status display unit 106 will display a solid green light. When the input unit 103 is not touched, the data processing unit 101 outputs a high level of 24VDC for a duration of about 300ms, during which the output current is about 200mA, and the status display unit 106 displays a red light.

[0060] The power supply unit 102 is a power converter that is electrically connected to the power interface and connector 2 of the data processing unit 101. It primarily handles the power supply and distribution for the system. The input power for the entire product in this application is 24VDC, which is converted to 5VDC to power the data processing unit 101, the status display unit 106, and the charging unit 105 after DC-DC conversion. The power supply unit 102 can handle an input current of approximately 10mA in a static state, approximately 16mA when touched, and approximately 500mA when charging a mobile phone. Therefore, the current supply capability of the DC-DC conversion element must be at least 2A.

[0061] Input unit 103 is a touch button disposed on the surface of housing 1, which is electrically connected to the touch input interface of data processing unit 101. In data processing unit 101 using MCU, the PTC touch sensing function of MCU can be used to realize data monitoring. The input unit 103 of capacitive touch button is mainly composed of electrodes. When a hand touches the electrodes, it causes a change in electrode capacitance to identify whether the PTC has been touched and sensed.

[0062] The data output unit 104 is electrically connected to the data output interface and connector 2 of the data processing unit 101.

[0063] The charging unit 105 is a wireless charging coil disposed inside the housing 1, and it is electrically connected to the charging output interface of the data processing unit 101, such as... Figure 1In the embodiment shown, the wireless charging coil is also equipped with a wireless charging driver board 1051. The wireless charging driver board 1051 is connected to the data processing unit 101, and then the wireless charging coil is connected to the wireless charging driver board 1051 to realize wireless charging. It can realize the control of charging current and time, and can also feed back the working status of the charging unit 105 to the data processing unit 101.

[0064] The working areas of the wireless charging coil and the touch button overlap. When the working area of ​​the wireless charging coil is larger than the working area of ​​the touch button, the overlapping part is the working area of ​​the touch button. When the working area of ​​the wireless charging coil is smaller than the working area of ​​the touch button, the overlapping part is the working area of ​​the wireless charging coil.

[0065] When the data processing unit 101 detects that the parameter change of the touch button reaches the threshold range, the data processing unit 101 starts the charging unit 105.

[0066] Working principle: The data processing unit 101 can monitor the parameter changes and / or trigger time of the trigger button.

[0067] When the data processing unit 101 detects that the parameter change value is greater than the parameter threshold, the data processing unit 101 outputs a signal to the public transportation service system through the data output unit 104.

[0068] When the data processing unit 101 detects that the parameter change value is less than or equal to the parameter threshold, the data processing unit 101 monitors the trigger time of the trigger button. When the parameter change duration is less than the time threshold, the data processing unit 101 outputs a signal to the public transportation service system through the data output unit 104.

[0069] When the data processing unit 101 detects that the parameter change value is less than or equal to the parameter threshold, and the parameter change duration is greater than or equal to the time threshold, the data processing unit 101 controls the charging unit 105 to charge the electronic product 3.

[0070] Alternatively, the duration of parameter change can be ignored. When the data processing unit 101 detects that the parameter change value is less than or equal to the parameter threshold, the data processing unit 101 controls the charging unit 105 to charge the electronic product 3.

[0071] Alternatively, the parameter change value may not be judged. When the parameter change duration is less than the time threshold, the data processing unit 101 outputs a signal to the public transportation service system through the data output unit 104. When the parameter change duration is greater than or equal to the time threshold, the data processing unit 101 controls the charging unit 105 to charge the electronic product 3.

[0072] In a further embodiment of the data processing unit in the first aspect, the data processing unit 101 includes an MCU chip, the MCU chip storing a parameter comparison algorithm and / or a timing algorithm.

[0073] The parameter comparison algorithm is equipped with a parameter threshold that is compared with the parameter change value of the input unit 103.

[0074] The timing algorithm is set with a time threshold for comparing the duration of parameter changes with that of the input unit 103.

[0075] The algorithm software can compare the threshold value with the parameter change value and parameter change duration of the input unit.

[0076] In this embodiment, either the parameter comparison algorithm or the timing algorithm can be used alone. Alternatively, the timing algorithm can be started when the parameter meets the condition of the parameter comparison algorithm for the change value. Data can then be output from the charging output interface or the data output interface when the parameter change duration meets the timing algorithm requirement.

[0077] In another embodiment of the data processing unit in the first aspect, the data processing unit 101 includes a parameter comparison circuit and / or a timing circuit.

[0078] The parameter comparison circuit is equipped with a parameter threshold that is compared with the parameter change value of the input unit 103.

[0079] The timing circuit is equipped with a time threshold that compares the duration of parameter changes with that of the input unit 103.

[0080] In this embodiment, the parameter comparison circuit is equipped with a comparator and a transistor or a resistor of the corresponding type whose control terminal is electrically connected to the comparator, and a transistor whose control terminal is electrically connected to the resistor. The input terminal of the transistor or other cutoff element is electrically connected to the power interface, and the output terminal is electrically connected to the charging output interface or the data output interface.

[0081] In this embodiment, either the parameter comparison circuit or the timing circuit can be used alone. Alternatively, the timing circuit can be activated when the parameter changes to the specified value. Data can then be output from the charging output interface or the data output interface when the parameter change duration satisfies the timing circuit.

[0082] The ability to determine a passenger's button touch request can be achieved by storing algorithms in the MCU chip or setting up corresponding circuits.

[0083] While it's possible to determine a passenger's need when touching a button by using either the parameter change value or the parameter change duration alone, combining both parameters further reduces the false positive rate.

[0084] In this embodiment, the input unit 103 is a capacitive touch button, a current-type touch button, a voltage-type touch button, or an inductive touch button.

[0085] The input unit 103 inputs the parameter change values ​​of capacitance, current, voltage or inductance to the data processing unit.

[0086] Different types of touch buttons can meet the design needs of different public transportation systems.

[0087] In this embodiment, a permanent magnet is provided at one end of the housing 1 near the charging unit 105. The permanent magnet can be a ring magnet, a columnar magnet disposed in the middle of the housing 1, or a sheet magnet attached to the housing 1.

[0088] By setting a permanent magnet, the magnetic attraction of the button can be improved, further reducing the drop rate of electronic product 3.

[0089] exist Figure 1 In this embodiment, the wireless charging button further includes a status display unit 106 disposed on the surface of the housing 1.

[0090] The data processing unit 101 is also equipped with a status output interface.

[0091] The status display unit 106 is electrically connected to the status output interface of the data processing unit 101 and the power supply unit 102.

[0092] The status display unit 106 includes a display element of at least one color, which may be a white, red, or green LED.

[0093] When the data processing unit 101 detects a change in the parameters of the touch button, the data processing unit 101 activates the status display unit 106.

[0094] exist Figure 1 In this embodiment, the data processing unit 101 is further provided with a first state output interface and a second state output interface.

[0095] The status display unit 106 includes: a first display element 1061, a first cutoff element 1062, a first resistor 1063, a second display element 1064, a second cutoff element 1065, and a second resistor 1066.

[0096] The first display element 1061 is electrically connected to the power supply unit 102, the input terminal of the first cutoff element 1062 is electrically connected to the first display element 1061, the first resistor 1063 is electrically connected to the output terminal of the first cutoff element 1062, and the control terminal of the first cutoff element 1062 is electrically connected to the first state output interface of the data processing unit 101.

[0097] The second display element 1064 is electrically connected to the power supply unit 102, the input terminal of the second cutoff element 1065 is electrically connected to the first display element 1061, the second resistor 1066 is electrically connected to the output terminal of the second cutoff element 1065, and the control terminal of the second cutoff element 1065 is electrically connected to the second status output interface of the data processing unit 101.

[0098] There is a color difference between the first display element 1061 and the second display element 1064. For example, the first display element 1061 is a green LED and the second display element 1064 is a red LED.

[0099] In the second embodiment of the first aspect

[0100] The difference between this embodiment and the first embodiment is that the input unit 103 further includes a timing circuit.

[0101] The timing circuit is electrically connected to the touch button, the power supply unit 102, and the touch input interface of the data processing unit 101.

[0102] The timing circuit has a time threshold set inside, and it compares the duration of parameter changes of the touch button with the time threshold.

[0103] By integrating the timing circuit into the input unit 103, the error rate can also be reduced, and the load on the data processing unit 101 can be reduced.

[0104] In the second aspect, the method of operating the wireless charging button based on the first aspect includes: S1. The data processing unit 101 monitors the parameter change value of the input unit 103.

[0105] S2. When the data processing unit 101 detects a change in the parameter of the input unit 103, it compares the parameter change value with the parameter threshold.

[0106] S3. When the parameter change value is greater than the parameter threshold, the data processing unit 101 starts the data output unit 104.

[0107] When the parameter change value is less than or equal to the parameter threshold, the data processing unit 101 monitors the parameter change duration of the input unit 103 and compares the parameter change duration with the time threshold.

[0108] S4. When the duration of parameter change is greater than or equal to the threshold, the data processing unit 101 starts the charging unit 105.

[0109] When the duration of parameter change is less than the threshold, the data processing unit 101 activates the data output unit 104. By combining the parameter change value and the duration of parameter change, the unit determines the passenger's need when pressing the button, further reducing the false judgment rate.

[0110] By combining the parameter change value and the duration of the parameter change, the system determines the passenger's need when pressing the button, further reducing the false judgment rate.

[0111] In the above embodiments, the parameter change value and parameter change duration mentioned above are all greater than, less than, and equal to the difference between the parameter and the initial state when the input unit 103 changes state.

[0112] As described above, although the invention has been shown and described with reference to specific preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A wireless charging button, which is a disembarkation button, a disabled access button, or a stroller button in public transportation; Its features are, include: Housing (1), circuit module disposed within housing (1), and connector (2) disposed on the surface of housing (1) and electrically connected to circuit module; The circuit module includes: a data processing unit (101), and a power supply unit (102), an input unit (103), a data output unit (104), and a charging unit (105) electrically connected to the data processing unit (101). The data processing unit (101) is provided with a power interface, a touch input interface, a data output interface and a charging output interface; The power supply unit (102) is a power converter that is electrically connected to the power interface and connector (2) of the data processing unit (101); The input unit (103) is a touch button disposed on the surface of the housing (1), which is electrically connected to the touch input interface of the data processing unit (101); The data output unit (104) is electrically connected to the data output interface and connector (2) of the data processing unit (101); The charging unit (105) is a wireless charging coil disposed inside the housing (1), which is electrically connected to the charging output interface of the data processing unit (101). The working areas of the wireless charging coil and the touch button overlap; The data processing unit (101) is provided with a parameter threshold for comparing the parameter change value with that of the input unit (103); The data processing unit (101) is equipped with a time threshold for comparing the parameter change duration with that of the input unit (103); When the data processing unit (101) detects that the parameter change of the touch button reaches the threshold range, the data processing unit (101) starts the charging unit (105).

2. The wireless charging button according to claim 1, characterized in that, The data processing unit (101) includes an MCU chip, which stores a parameter comparison algorithm and a timing algorithm. The parameter comparison algorithm is equipped with a parameter threshold for comparing the parameter change value with that of the input unit (103); The timing algorithm is equipped with a time threshold that compares the duration of parameter changes with that of the input unit (103).

3. The wireless charging button according to claim 1, characterized in that, The data processing unit (101) includes a parameter comparison circuit and a timing circuit; The parameter comparison circuit is equipped with a parameter threshold for comparing the parameter change value with that of the input unit (103); The timing circuit is equipped with a time threshold that compares the duration of parameter changes with that of the input unit (103).

4. A wireless charging button according to claim 2, characterized in that, The input unit (103) is a capacitive touch button, a current-type touch button, a voltage-type touch button, or an inductive touch button; The input unit (103) inputs the parameter changes of capacitance, current, voltage or inductance to the data processing unit (101).

5. A wireless charging button according to claim 1, characterized in that, A permanent magnet is provided inside the housing (1) at one end near the charging unit (105).

6. A wireless charging button according to claim 1, characterized in that, Also includes: A status display unit (106) is provided on the surface of the housing (1); The data processing unit (101) is also provided with a status output interface; The status display unit (106) is electrically connected to the status output interface of the data processing unit (101) and the power supply unit (102); The status display unit (106) includes at least one color display element; When the data processing unit (101) detects a change in the parameters of the touch button, the data processing unit (101) activates the status display unit (106).

7. A wireless charging button according to claim 6, characterized in that, The data processing unit (101) is also provided with a first state output interface and a second state output interface; The status display unit (106) includes: a first display element (1061), a first cutoff element (1062), a first resistor (1063), a second display element (1064), a second cutoff element (1065), and a second resistor (1066). The first display element (1061) is electrically connected to the power supply unit (102), the input terminal of the first cutoff element (1062) is electrically connected to the first display element (1061), the first resistor (1063) is electrically connected to the output terminal of the first cutoff element (1062), and the control terminal of the first cutoff element (1062) is electrically connected to the first state output interface of the data processing unit (101). The second display element (1064) is electrically connected to the power supply unit (102), the input terminal of the second cutoff element (1065) is electrically connected to the first display element (1061), the second resistor (1066) is electrically connected to the output terminal of the second cutoff element (1065), and the control terminal of the second cutoff element (1065) is electrically connected to the second status output interface of the data processing unit (101). There is a color difference between the first display element (1061) and the second display element (1064).

8. A wireless charging button according to claim 1, characterized in that, The input unit (103) also includes a timing circuit. The timing circuit is electrically connected to the touch button, the power supply unit (102), and the touch input interface of the data processing unit (101); The timing circuit is equipped with a time threshold, and the timing circuit compares the duration of parameter changes of the touch button with the time threshold.

9. A method for operating a wireless charging button according to any one of claims 1-8, characterized in that, include: S1. The data processing unit (101) monitors the parameter changes of the input unit (103); S2. When the data processing unit detects a change in the parameter of the input unit (103), it compares the parameter change value with the parameter threshold. S3. When the parameter change value is greater than the parameter threshold, the data processing unit (101) starts the data output unit; When the parameter change value is less than or equal to the parameter threshold, the data processing unit (101) monitors the parameter change duration of the input unit and compares the parameter change duration with the time threshold; S4. When the duration of parameter change is greater than or equal to the threshold, the data processing unit (101) starts the charging unit; When the duration of parameter change is less than the threshold, the data processing unit (101) starts the data output unit.

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