A wireless charging device that quickly matches charging position

Abstract

The present invention discloses a wireless charging device for fast matching charging position, comprising: an outer shell, a carrying mechanism is arranged inside the outer shell, a discharge coil module is mounted on the carrying mechanism, a first slot body for accommodating a power receiving device is arranged on the top of the outer shell, a ranging sensor array is arranged around the slot wall of the first slot body, the bottom of the first slot body is an elastic lifting plate that is subjected to pressure drop and returns to its original state when not subjected to pressure, one side of the elastic lifting plate is connected to the inductive elastic body of the pressure sensor, and the pressure sensor is arranged inside the outer shell; a control module is also arranged inside the outer shell; the control module is used to respond to the load-bearing of the pressure sensor, collect the type, model and position of the power receiving device, and then adjust the position of the discharge coil module to make it correspond to the power receiving coil. The present invention improves the matching efficiency of the corresponding position of the discharge coil module and the power receiving coil, so that the discharge coil module can quickly locate the power receiving coil in a short time for the most efficient charging.

Description

Technical Field

[0001] The present invention relates to the field of wireless charging, and in particular to a wireless charging device capable of quickly matching a charging position. Background Art

[0002] With the increasing requirements of electrical equipment for power supply quality, safety, reliability, convenience, immediacy, special occasions, special geographical environments, etc., the contact power transmission method is increasingly unable to meet actual needs. Wireless charging equipment is a device that uses the principle of electromagnetic induction for charging. Its principle is similar to that of a transformer. By placing a coil at the sending and receiving ends, the sending coil sends an electromagnetic signal to the outside world under the action of electricity, and the receiving coil receives the electromagnetic signal and converts it into current, thereby achieving the purpose of wireless charging. Wireless charging technology is a special power supply method that does not require a power cord, relies on electromagnetic wave propagation, and then converts electromagnetic wave energy into electrical energy, ultimately achieving wireless charging.

[0003] When a wireless charging device is charging a powered device, the charging efficiency is often low because the power supply coil and the power receiving coil performing electromagnetic induction are not in correspondence with each other. Summary of the invention

[0004] The applicant has found through research that the existing technology moves the power supply coil of the wireless charging device, then collects the charging efficiency of the receiving device, compares the charging efficiency at each position to determine the position corresponding to the best charging efficiency of the power supply coil and the receiving coil, and then moves the power supply coil to that position for wireless charging. However, this method of constantly changing the position of the power supply coil and then collecting the charging efficiency is not only cumbersome, but also has low efficiency in matching the positions of the power supply coil and the receiving coil.

[0005] In view of some of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is to provide a wireless charging device for quickly matching the charging position, aiming to improve the matching efficiency of the power supply coil module and the power receiving coil, and simplify the process of determining the corresponding positions of the power supply coil module and the power receiving coil.

[0006] To achieve the above-mentioned object, the present invention discloses a wireless charging device for quickly matching a charging position, the wireless charging device comprising: an outer shell, a carrying mechanism is arranged inside the outer shell, a discharge coil module is carried on the carrying mechanism, a first slot for accommodating a powered device is arranged on the top of the outer shell, a ranging sensor array is arranged around the slot wall of the first slot, the bottom of the first slot is an elastic lifting plate that is subjected to pressure drop and returns to its original state when not subjected to pressure, one side of the elastic lifting plate is connected to an inductive elastic body of a pressure sensor, and the pressure sensor is arranged inside the outer shell; a control module is also arranged inside the outer shell, the control module is electrically connected to the discharge coil module, the carrying mechanism, the ranging sensor array and the pressure sensor respectively; the control module comprises: a ranging unit, a type position determination unit, a power receiving coil position determination unit, a discharge coil module position adjustment unit and a charging control unit;

[0007] The distance measuring unit is used to control the distance measuring sensor array to measure the distance of each position of the powered device in response to the pressure sensor sensing that the powered device is placed in the first slot to obtain multiple first distances;

[0008] The type and position determining unit is used to obtain the type and model of the powered device and the first position in the first slot according to the plurality of the first distances;

[0009] The power receiving coil position determination unit is used to determine the charging position of the power receiving coil of the power receiving device in the first slot according to the type and model of the power receiving device and the first position;

[0010] The discharge coil module position adjustment unit controls the transport mechanism to transport the discharge coil module according to the charging position of the power receiving coil, so that the discharge coil module corresponds to the charging position of the power receiving coil;

[0011] The charging control unit is used to, in response to the position adjustment of the discharge coil module being completed, energize the discharge coil module and control the discharge coil module to charge the powered device.

[0012] Optionally, the control module further includes: a powered device information storage unit;

[0013] The powered device information storage unit is used to store the powered device information compatible with the wireless charging device; wherein the powered device information includes the type, model, and corresponding size and shape of the powered device.

[0014] Optionally, the type and position determination unit includes: a shape and position determination subunit and a type and model comparison subunit;

[0015] The shape and position determination subunit is used to obtain the shape of the powered device and the first position in the first slot according to the plurality of the first distances;

[0016] The type and model comparison subunit is used to compare the shape of the powered device with the powered device information stored in the powered device information storage unit to obtain the type and model of the powered device.

[0017] Optionally, the control module further includes: a powered device information updating unit, the powered device information updating unit being connected to the powered device information storage unit;

[0018] The powered device information updating unit is used to receive new powered device information from the outside, and update the last batch of powered device information stored in the powered device information storage unit according to the new powered device information.

[0019] Optionally, the wireless charging device further includes: a cooling fan and a heating lamp arranged inside the outer shell, and the control module further includes a temperature control unit;

[0020] The temperature control unit is used to control the cooling fan or the heating lamp to adjust the temperature according to the temperature of the contact surface between the powered device and the first slot body, so as to keep the contact surface temperature within a preset range; wherein the preset range is determined according to the charging efficiency of the powered device at different temperatures.

[0021] Optionally, the wireless charging device further includes: a clock module, a display of the clock module being arranged on an outer side wall of the outer shell;

[0022] The clock module is used to display the current time.

[0023] Optionally, the clock module is connected to the control module, and the control module further includes: a power collection unit for a powered device, a charging time calculation unit, and a charging time display control unit;

[0024] The powered device power collection unit is used to communicate with the powered device to obtain the power of the powered device;

[0025] The charging time calculation unit is used to calculate the charging time required for the powered device to complete charging according to the power of the powered device and the discharge efficiency of the discharge coil module;

[0026] The charging time display control unit is used to display the calculated charging time through the display of the clock module.

[0027] Optionally, the wireless charging device further includes: a temperature module; a temperature sensor of the temperature module is arranged on the outside of the outer shell, and a display of the temperature module is arranged on the outer side wall of the outer shell;

[0028] The temperature module is used to measure the external environment temperature and display it on its corresponding display.

[0029] Beneficial effects of the present invention: 1. The wireless charging device of the present invention measures the distance of each position of the power receiving device through the ranging sensor array arranged around the first slot body; then the type signal of the power receiving device and the first position of the first slot body are determined by the type position determination unit; then the power receiving coil position determination unit determines the power receiving coil position of the power receiving device; finally, the discharge coil module is adjusted to correspond to the power receiving coil by the discharge coil module position adjustment unit to achieve the highest charging efficiency. The present invention can determine the type signal and position of the power receiving device through the ranging sensor array, and then determine the power receiving coil position of the power receiving device, and finally adjust the discharge coil module to charge with the highest efficiency. Compared with the prior art, the present invention does not need to measure and compare the charging efficiency of each position, which greatly improves the position matching efficiency of the discharge coil module and the power receiving coil, and can quickly find the most efficient charging position. 2. The bottom of the first slot body of the power receiving device of the present invention is an elastic lifting plate that is subjected to pressure drop and returns to its original state without pressure. One side of the elastic lifting plate is connected to the inductive elastic body of the pressure sensor, and the pressure sensor is arranged inside the outer shell. The present invention uses such a structure to enable the pressure sensor to detect whether the charging device is placed on the powered device, and then start charging. Compared with the prior art, the present invention does not need to continuously and periodically emit low-power electromagnetic waves to detect whether there is a charging device, so the present invention greatly reduces power loss and energy waste. 3. The present invention uses the design of the first slot body to confine the charging device in the slot body, thereby making the charging device less likely to slip and increasing stability during the charging process. 4. The present invention ensures that the charging temperature is maintained within a suitable range through the setting of a cold fan and a heating lamp. It ensures that the charging efficiency of the powered device will not decrease due to too low or too high temperature. 5. The present invention diversifies the functions of the wireless charging device through the setting of the clock module and the temperature module to meet multiple needs of the user. In summary, the present invention measures the distance of each position of the powered device and then adjusts the discharge coil module, so that the discharge coil module can quickly locate the receiving coil in a short time for the most efficient charging. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a structural schematic diagram of a control module provided by a specific embodiment of the present invention;

[0031] Figure 2It is a schematic diagram of the three-dimensional structure of a wireless charging device for quickly matching charging positions provided by a specific embodiment of the present invention;

[0032] Figure 3 It is a schematic cross-sectional structure diagram of a wireless charging device for quickly matching charging positions provided by a specific embodiment of the present invention. DETAILED DESCRIPTION

[0033] The present invention discloses a wireless charging device that quickly matches the charging position. Those skilled in the art can refer to the content of this article and appropriately improve the technical details. It should be pointed out in particular that all similar substitutions and modifications are obvious to those skilled in the art, and they are all considered to be included in the present invention. The method and application of the present invention have been described through preferred embodiments, and relevant personnel can obviously modify or appropriately change and combine the methods and applications described herein without departing from the content, spirit and scope of the present invention to implement and apply the technology of the present invention.

[0034] The applicant has found through research that the existing technology moves the power supply coil of the wireless charging device, then collects the charging efficiency of the receiving device, compares the charging efficiency at each position to determine the position corresponding to the best charging efficiency of the power supply coil and the receiving coil, and then moves the power supply coil to that position for wireless charging. However, this method of constantly changing the position of the power supply coil and then collecting the charging efficiency is not only cumbersome, but also has low efficiency in matching the positions of the power supply coil and the receiving coil.

[0035] Therefore, an embodiment of the present invention provides a wireless charging device that quickly matches the charging position, such as Figures 1 to 3 As shown, the wireless charging device includes: an outer shell 1, a carrying mechanism 2 is arranged inside the outer shell 1, a discharge coil module 3 is carried on the carrying mechanism 2, a first slot 4 for accommodating a powered device is arranged on the top of the outer shell 1, a ranging sensor array 5 is arranged around the slot wall of the first slot 4, and an elastic lifting plate 6 is provided at the bottom of the first slot 4, which is subjected to pressure drop and returns to its original state without pressure, one side of the elastic lifting plate 6 is connected to the inductive elastic body of the pressure sensor 7, and the pressure sensor 7 is arranged inside the outer shell 1.

[0036] The shape of the outer shell 1 can be as follows: Figures 1 to 3 As shown, it can also be other shapes, such as round, etc. Figures 1 to 3 It is for illustration only and is not intended to limit the present invention. Figure 2 The middle portion of the distance measuring sensor array 5 is not fully shown due to occlusion.

[0037] It should be noted that in the embodiment of the present invention, the distance between each position of the powered device in the first slot body 4 and the slot wall can be measured by the distance measuring sensor array 5. The shape and position of the powered device can be obtained through the distances obtained by each measurement, and then the type and model can be obtained.

[0038] In a specific embodiment, if Figure 3 As shown, Figure 3 The sensing elastic body of the medium pressure sensor 7 is connected to the side of the elastic lifting plate 6 to avoid the influence of the metal contained in the sensing elastic body on the wireless charging process. Figure 3 The middle sensing elastic body is the black filling part of the pressure sensor 7.

[0039] A control module is also provided inside the outer shell 1, and the control module is electrically connected to the discharge coil module 3, the carrying mechanism 2, the ranging sensor array 5 and the pressure sensor 7 respectively; the control module includes: a ranging unit 101, a type position determination unit 102, a power receiving coil position determination unit 103, a discharge coil module position adjustment unit 104 and a charging control unit 105.

[0040] The distance measuring unit 101 is used to control the distance measuring sensor array 5 to measure the distance of each position of the powered device in response to the pressure sensor 7 sensing that a powered device is placed in the first slot 4 to obtain multiple first distances.

[0041] Specifically, the distance sensor array 5 is divided into two corresponding sides, and the distance measuring unit 101 controls the two sides of the distance sensor array 5 to be turned on and off in sequence. This separate opening method can prevent the relative distance sensor units in the distance sensor array 5 from affecting each other. Figure 2 , the distance measuring sensor units on the length and width of one side of the first slot body 4 can be controlled to measure the distance first, and then the distance measuring sensor units on the length and width of the other side of the first slot body 4 can be controlled to measure the distance.

[0042] The type and position determining unit 102 is used to obtain the type and model of the powered device and the first position in the first slot 4 according to the multiple first distances.

[0043] The power receiving coil position determining unit 103 is used to determine the charging position of the power receiving coil of the power receiving device in the first slot 4 according to the type and model of the power receiving device and the first position.

[0044] The discharge coil module position adjustment unit 104 controls the transport mechanism 2 to transport the discharge coil module 3 according to the charging position of the power receiving coil, so that the discharge coil module 3 corresponds to the charging position of the power receiving coil.

[0045] The charging control unit 105 is used to energize the discharge coil module 3 in response to the position adjustment of the discharge coil module 3, and control the discharge coil module 3 to charge the powered device.

[0046] In the embodiment of the present invention, the corresponding (matching) position of the discharge coil module 3 and the power receiving coil is the position with the highest charging efficiency.

[0047] In a specific embodiment, the control module further includes: a powered device information storage unit;

[0048] The powered device information storage unit is used to store the powered device information compatible with the wireless charging device; wherein the powered device information includes the type, model, and corresponding size and shape of the powered device.

[0049] By storing the powered device information itself, the type and model of the powered device can be obtained according to the first distance obtained by the distance measuring sensor.

[0050] Optionally, the type and position determination unit 102 includes: a shape and position determination subunit and a type and model comparison subunit;

[0051] A shape and position determination subunit, used to obtain the shape of the powered device and the first position in the first slot 4 according to the multiple first distances;

[0052] The type and model comparison subunit is used to compare the shape of the powered device with the powered device information stored in the powered device information storage unit to obtain the type and model of the powered device.

[0053] Furthermore, the shape of the powered device is compared with the size and shape of the powered device in the powered device information stored in the powered device information storage unit, thereby obtaining the type and model of the powered device corresponding to the size and shape.

[0054] In a specific embodiment, the control module further includes: a powered device information updating unit, the powered device information updating unit being connected to the powered device information storage unit;

[0055] The powered device information updating unit is used to receive new powered device information from the outside, and update the last batch of powered device information stored in the powered device information storage unit according to the new powered device information.

[0056] It should be noted that by updating the powered device information, the timeliness of the wireless charging device can be guaranteed, ensuring that it can keep up with the rapidly developing wireless charging electronic devices and perform normal charging.

[0057] Optionally, the wireless charging device further includes: a cooling fan and a heating lamp arranged inside the outer shell 1, and the control module further includes a temperature control unit;

[0058] The temperature control unit is used to control the cooling fan or the heating lamp to adjust the temperature according to the temperature of the contact surface between the powered device and the first slot 4, so as to keep the contact surface temperature within a preset range; wherein the preset range is determined according to the charging efficiency of the powered device at different temperatures.

[0059] It should be noted that if the temperature is too high, the charging protection of the powered device will reduce the charging efficiency, and if the temperature is too low, it will affect the activity of lithium electrons, thus slowing down the charging speed. By controlling the temperature, the temperature can be effectively kept within the most suitable charging temperature range, within which the charging efficiency is the highest.

[0060] In a specific embodiment, the wireless charging device further includes: a clock module 8, a display of the clock module 8 is disposed on the outer side wall of the outer shell 1;

[0061] The clock module 8 is used to display the current time.

[0062] Furthermore, the clock module 8 is connected to the control module, and the control module further includes: a power collection unit for the power receiving device, a charging time calculation unit, and a charging time display control unit;

[0063] A power collection unit for a powered device, used to communicate with the powered device to obtain the power of the powered device;

[0064] A charging time calculation unit, used to calculate the charging time required for the powered device to complete charging according to the power of the powered device and the discharge efficiency of the discharge coil module 3;

[0065] The charging time display control unit is used to display the calculated charging time through the display of the clock module 8.

[0066] It should be noted that by displaying the charging time so that the user can know the charging time required, the user can better arrange the use time of the powered device.

[0067] In a specific embodiment, the wireless charging device further includes: a temperature module 9; a temperature sensor of the temperature module 9 is arranged outside the outer shell 1, and a display of the temperature module 9 is arranged on the outer wall of the outer shell 1;

[0068] The temperature module 9 is used to measure the external environment temperature and display it on its corresponding display.

[0069] It should be noted that the configuration of the clock module 8 and the temperature module 9 diversifies the functions of the wireless charging device of the embodiment of the present invention to meet different needs of users.

[0070] In a specific embodiment, the category location determination unit 102 is further configured to:

[0071] According to the multiple first distances, it is determined whether the object placed in the first slot 4 is a powered device adapted by the wireless charging device according to the embodiment of the present invention.

[0072] It should be noted that by judging whether the object placed in the first slot 4 is an adapted powered device, potential safety hazards caused by erroneous discharge can be effectively avoided.

[0073] The wireless charging device of the embodiment of the present invention measures the distance of each position of the power receiving device through the distance sensor array 5 arranged around the first slot body 4; then the type signal of the power receiving device and the first position of the first slot body 4 are determined by the type position determination unit 102; then the power receiving coil position determination unit 103 determines the power receiving coil position of the power receiving device; finally, the discharge coil module 3 is adjusted to correspond to the power receiving coil by the discharge coil module position adjustment unit 104 to achieve the highest charging efficiency. The embodiment of the present invention can determine the type signal and position of the power receiving device through the distance sensor array 5, and then determine the power receiving coil position of the power receiving device, and finally adjust the discharge coil module 3 to charge with the highest efficiency. Compared with the prior art, the embodiment of the present invention does not need to measure and compare the charging efficiency of each position, which greatly improves the position matching efficiency of the discharge coil module 3 and the power receiving coil, and can quickly find the most efficient charging position. The bottom of the first slot body 4 of the power receiving device of the embodiment of the present invention is an elastic lifting plate 6 that is subjected to pressure drop and returns to its original state without pressure. One side of the elastic lifting plate 6 is connected to the inductive elastic body of the pressure sensor 7, and the pressure sensor 7 is arranged inside the outer shell 1. The embodiment of the present invention uses such a structure to enable the pressure sensor 7 to detect whether the charging device is placed on the powered device, and then start charging. Compared with the prior art, the embodiment of the present invention does not need to continuously and periodically emit low-power electromagnetic waves to detect whether there is a charging device, so the embodiment of the present invention greatly reduces power loss and energy waste. The embodiment of the present invention uses the design of the first slot body 4 to lock the charging device in the slot body, thereby making the charging device less likely to slip and increasing the stability during the charging process. The embodiment of the present invention ensures that the charging temperature is maintained within a suitable range by setting a cooling fan and a heating lamp. It ensures that the charging efficiency of the powered device will not decrease due to too low or too high temperature. The embodiment of the present invention diversifies the functions of the wireless charging device by setting a clock module 8 and a temperature module 9 to meet multiple needs of users. In summary, the embodiment of the present invention measures the distance of each position of the powered device, and then adjusts the discharge coil module 3, so that the discharge coil module 3 can quickly locate the receiving coil in a short time for the most efficient charging.

[0074] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0075] Each embodiment in this specification is described in a related manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0076] The above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. A wireless charging device for quickly matching charging positions, characterized in that: The wireless charging device comprises: an outer shell, a carrying mechanism is arranged inside the outer shell, a discharge coil module is mounted on the carrying mechanism, a first slot for accommodating a power receiving device is arranged on the top of the outer shell, a distance sensor array is arranged around the slot wall of the first slot, and an elastic lifting plate is arranged at the bottom of the first slot for reducing pressure and restoring the original state when not under pressure, one side of the elastic lifting plate is connected to the inductive elastic body of the pressure sensor, and the pressure sensor is arranged inside the outer shell; a control module is also arranged inside the outer shell, and the control module is electrically connected to the discharge coil module, the carrying mechanism, the distance sensor array and the pressure sensor respectively; the control module comprises: a distance measuring unit, a type position determining unit, a power receiving coil position determining unit, a discharge coil module position adjusting unit and a charging control unit; The distance measuring unit is used to control the distance measuring sensor array to measure the distance of each position of the powered device in response to the pressure sensor sensing that the powered device is placed in the first slot to obtain multiple first distances; The type and position determining unit is used to obtain the type and model of the powered device and the first position in the first slot according to the plurality of the first distances; The power receiving coil position determination unit is used to determine the charging position of the power receiving coil of the power receiving device in the first slot according to the type and model of the power receiving device and the first position; The discharge coil module position adjustment unit controls the transport mechanism to transport the discharge coil module according to the charging position of the power receiving coil, so that the discharge coil module corresponds to the charging position of the power receiving coil; A charging control unit, configured to, in response to the position adjustment of the discharge coil module being completed, energize the discharge coil module and control the discharge coil module to charge the powered device; The control module further includes: a powered device information storage unit; the powered device information storage unit is used to store the powered device information adapted by the wireless charging device; wherein the powered device information includes the type, model, and corresponding size and shape of the powered device; The type and position determination unit includes: a shape and position determination subunit and a type and model comparison subunit; the shape and position determination subunit is used to obtain the shape of the powered device and the first position located in the first slot according to the plurality of first distances; the type and model comparison subunit is used to compare the shape of the powered device with the powered device information stored in the powered device information storage unit to obtain the type and model of the powered device; The wireless charging device also includes: a cooling fan and a heating lamp arranged inside the outer shell, and the control module also includes a temperature control unit; the temperature control unit is used to control the cooling fan or the heating lamp to adjust the temperature according to the temperature of the contact surface between the powered device and the first slot, so as to keep the contact surface temperature within a preset range; wherein the preset range is determined according to the charging efficiency of the powered device at different temperatures.

2. The wireless charging device according to claim 1, characterized in that: The control module further includes: a powered device information updating unit, the powered device information updating unit being connected to the powered device information storage unit; The powered device information updating unit is used to receive new powered device information from the outside, and update the last batch of powered device information stored in the powered device information storage unit according to the new powered device information.

3. The wireless charging device according to claim 1, characterized in that: The wireless charging device further comprises: a clock module, wherein a display of the clock module is arranged on an outer side wall of the outer shell; The clock module is used to display the current time.

4. The wireless charging device according to claim 3, characterized in that: The clock module is connected to the control module, and the control module further includes: a power collection unit for a powered device, a charging time calculation unit, and a charging time display control unit; The powered device power collection unit is used to communicate with the powered device to obtain the power of the powered device; The charging time calculation unit is used to calculate the charging time required for the powered device to complete charging according to the power of the powered device and the discharge efficiency of the discharge coil module; The charging time display control unit is used to display the calculated charging time through the display of the clock module.

5. The wireless charging device according to claim 1, characterized in that: The wireless charging device further comprises: a temperature module; a temperature sensor of the temperature module is arranged outside the outer shell, and a display of the temperature module is arranged on an outer side wall of the outer shell; The temperature module is used to measure the external environment temperature and display it on its corresponding display.

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