State indicating device of charging equipment and charging equipment
By combining signal processing circuits and RGB light-emitting areas, the problem of charging devices being unable to indicate output power in real time has been solved, realizing intelligent indication of output power, input power, and battery power, and improving the level of intelligent power management.
Patent Information
- Application Number
- CN202422783835.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-14
AI Technical Summary
Existing charging devices lack real-time indication of output power, leaving users unable to understand the device's operating status, especially since chargers and power banks cannot provide detailed power management information.
The signal processing circuit acquires the output voltage and current of the charging device, and generates indicator signals through analog-to-digital conversion and microprocessor processing. These signals drive the RGB light-emitting area to emit light in color, brightness, and frequency, providing status indicators of output power, input power, and battery level.
It enables intelligent power management of charging equipment, allowing users to monitor output power, input power, and battery level in real time, thus improving the level of intelligence in power management.
Smart Images
Figure CN223514626U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of charging equipment technology, and in particular to status indication devices and charging equipment for charging equipment. Background Technology
[0002] With the widespread use of portable electronic devices, chargers and power banks have become indispensable in people's daily lives. Their primary function is to provide power to smartphones, tablets, and other electronic devices. As the demand for more efficient and intelligent power management continues to grow, users are placing higher demands on information displays that can provide real-time feedback on device operating status.
[0003] Most existing chargers lack indicator lights to display their operating status. A few use a single dual-color LED, which uses a simple two-color change to indicate the connection status with the power source (e.g., green for power on, red for power off). Existing power banks generally use several single-color LEDs, with the number of lit LEDs indicating the remaining power (e.g., four lit LEDs for a full charge, one lit LED for a low charge).
[0004] For chargers, those without indicator lights provide no information about their operating status, making it difficult for users to monitor their progress. Chargers with a single dual-color LED can only display basic power connection status and cannot provide more detailed information such as output power. For power banks, current LED designs can only indicate battery level and cannot provide more detailed information such as input power and output power. Utility Model Content
[0005] In view of the aforementioned problems, this application is made to provide a status indication device for a charging device and a charging device that overcomes or at least partially solves the problems, comprising:
[0006] A status indicator for a charging device includes a signal processing circuit and a light-emitting device;
[0007] The signal processing circuit is electrically connected to the main circuit board of the charging device and the light-emitting device, respectively. The signal processing circuit acquires the output voltage and output current of the charging device, processes the output voltage and output current to obtain a first indication signal for indicating the output power, and transmits the first indication signal to the light-emitting device to drive the light-emitting device to emit light in a color, brightness and frequency corresponding to the first indication signal.
[0008] Preferably, the signal processing circuit includes a first analog-to-digital converter, a second analog-to-digital converter, a bidirectional current sensing amplifier, and a microprocessor;
[0009] The first analog-to-digital converter (ADC) is electrically connected to the microprocessor; the first ADC acquires the output voltage of the charging device, converts the output voltage into a first digital signal, and transmits it to the microprocessor; the second ADC is electrically connected to the bidirectional current sensing amplifier; the second ADC acquires the output current of the charging device, converts the output current into a second digital signal, and transmits it to the bidirectional current sensing amplifier; the bidirectional current sensing amplifier is electrically connected to the microprocessor; the bidirectional current sensing amplifier amplifies the second digital signal and transmits it to the microprocessor; the microprocessor is electrically connected to the light-emitting device; the microprocessor processes the first digital signal and the amplified second digital signal to obtain a first indication signal for indicating output power, and transmits the first indication signal to the light-emitting device to drive the light-emitting device to emit light in a color, brightness, and frequency corresponding to the first indication signal.
[0010] Preferably, the light-emitting device includes a light-emitting area and a light-guiding structure; the light-guiding structure is disposed on the surface of the light-emitting area;
[0011] The signal processing circuit is electrically connected to the light-emitting area; the signal processing circuit transmits the first indication signal to the light-emitting area to drive the light-emitting area to emit light in a color, brightness and frequency corresponding to the first indication signal.
[0012] Preferably, the light-emitting device further includes a diffusion structure; the diffusion structure is disposed on the side of the light-emitting area.
[0013] Preferably, the light-emitting device further includes a fixed bracket; the light-emitting area is mounted on the surface of the fixed bracket.
[0014] Preferably, there are two or more light-emitting areas.
[0015] Preferably, two or more of the light-emitting areas are arranged side by side.
[0016] Preferably, the light-emitting area is an RGB light-emitting area.
[0017] Preferably, the signal processing circuit is a flexible circuit board.
[0018] A charging device with a status indication function includes a charging device and a status indication device as described in any of the preceding claims; the status indication device is mounted on the surface of the charging device.
[0019] This application has the following advantages:
[0020] To address the problem that existing status indicators cannot indicate the output power of charging devices, this application provides a solution that uses a signal processing circuit to process the output current and output voltage of the charging device and drive a light-emitting device to emit light with corresponding colors, brightness, and frequencies. Specifically, a status indicator for a charging device includes a signal processing circuit and a light-emitting device; the signal processing circuit is electrically connected to the main circuit board of the charging device and the light-emitting device, respectively; the signal processing circuit acquires the output voltage and output current of the charging device, processes the output voltage and output current to obtain a first indication signal for indicating the output power, and transmits the first indication signal to the light-emitting device to drive the light-emitting device to emit light with colors, brightness, and frequencies corresponding to the first indication signal.
[0021] By acquiring the output voltage and output current of the charging device, a first indication signal for indicating the output power is obtained, and the light-emitting device is driven to emit light in a color, brightness, and frequency corresponding to the first indication signal, so that the user can understand the current output power of the charging device and improve the level of intelligence in power management. Attached Figure Description
[0022] To more clearly illustrate the technical solution of this application, the accompanying drawings used in the description of this application will be briefly introduced below. Obviously, the accompanying drawings described below are only a part of the embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0023] Figure 1 This is a schematic diagram of the structure of a status indication device provided in an embodiment of this application;
[0024] Figure 2 This is a circuit logic block diagram of a status indication device provided in an embodiment of this application;
[0025] Figure 3 This is a circuit logic diagram of a status indication device provided in an embodiment of this application;
[0026] Figure 4 This is a schematic diagram of the structure of a charging device provided in an embodiment of this application.
[0027] The reference numerals in the accompanying drawings are as follows:
[0028] 10. Signal processing circuit; 20. Light-emitting device; 21. Light-emitting area; 22. Light guide structure; 23. Diffusion structure; 24. Fixing bracket; 30. Main circuit board. Detailed Implementation
[0029] To make the objectives, features, and advantages of this application more apparent and understandable, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.
[0030] The inventors discovered through analysis of existing technologies that the status indicators of existing charging devices only focus on the power connection status and battery level, and lack signal processing circuits that can analyze charging power in real time, thus failing to indicate the output power of the charging device.
[0031] It should be noted that, in any embodiment of this application, the charging device refers to a device that provides power support to other electronic devices, including chargers and power banks; the charger refers to a device that connects to the mains power supply and converts it into DC power suitable for use by other electronic devices, such as mobile phone chargers, tablet chargers, laptop power adapters, etc.; the power bank refers to a portable battery pack device that can store electrical energy and output electrical energy to charge devices such as smartphones, tablets, and smartwatches. The power bank usually has a built-in battery and is designed to be rechargeable and rechargeable.
[0032] Reference Figure 1-3 In one embodiment of this application, a status indicator device for a charging device is provided, including a signal processing circuit 10 and a light-emitting device 20;
[0033] The signal processing circuit 10 is electrically connected to the main circuit board 30 of the charging device and the light-emitting device 20, respectively. The signal processing circuit 10 acquires the output voltage and output current of the charging device, processes the output voltage and output current to obtain a first indication signal for indicating the output power, and transmits the first indication signal to the light-emitting device 20 to drive the light-emitting device 20 to emit light in a color, brightness and frequency corresponding to the first indication signal.
[0034] By acquiring the output voltage and output current of the charging device, a first indication signal for indicating the output power is obtained, and the light-emitting device 20 is driven to emit light in a color, brightness and frequency corresponding to the first indication signal, so that the user can understand the current output power of the charging device and improve the level of intelligence of power management.
[0035] The status indication device in this exemplary embodiment will now be further described.
[0036] In one embodiment of this application, when the charging device is a power bank, the signal processing circuit 10 also acquires the input voltage and input current of the charging device, processes the input voltage and input current to obtain a second indication signal for indicating input power and transmits it to the light-emitting device 20 to drive the light-emitting device 20 to emit light in a color, brightness and frequency corresponding to the second indication signal.
[0037] When the charging device is a power bank, it will be used for battery charging. By acquiring the input voltage and input current of the charging device, a second indication signal is obtained to indicate the input power. The light-emitting device 20 is then driven to emit light in a color, brightness, and frequency corresponding to the second indication signal. This allows the user to understand the current input power of the charging device and improves the level of intelligence in power management.
[0038] In one embodiment of this application, when the charging device is a power bank, the signal processing circuit 10 also acquires the battery voltage of the charging device, processes the battery voltage to obtain a third indication signal for indicating the battery level, and transmits it to the light-emitting device 20 to drive the light-emitting device 20 to emit light in a color, brightness, and frequency corresponding to the third indication signal.
[0039] When the charging device is a portable power bank, there is a need to manage the battery power. By acquiring the battery voltage of the charging device, processing it to obtain a third indication signal for indicating the battery power, and driving the light-emitting device 20 to emit light in a color, brightness, and frequency corresponding to the third indication signal, the user can easily understand the current battery power of the charging device, thus improving the level of intelligence in power management.
[0040] In one embodiment of this application, the signal processing circuit 10 includes a first analog-to-digital converter, a second analog-to-digital converter, a bidirectional current sensing amplifier, and a microprocessor;
[0041] The first analog-to-digital converter (ADC) is electrically connected to the microprocessor; the first ADC acquires the output voltage of the charging device, converts the output voltage into a first digital signal, and transmits it to the microprocessor; the second ADC is electrically connected to the bidirectional current sensing amplifier; the second ADC acquires the output current of the charging device, converts the output current into a second digital signal, and transmits it to the bidirectional current sensing amplifier; the bidirectional current sensing amplifier is electrically connected to the microprocessor; the bidirectional current sensing amplifier amplifies the second digital signal and transmits it to the microprocessor; the microprocessor is electrically connected to the light-emitting device 20; the microprocessor processes the first digital signal and the amplified second digital signal to obtain a first indication signal for indicating output power, and transmits the first indication signal to the light-emitting device 20 to drive the light-emitting device 20 to emit light in a color, brightness, and frequency corresponding to the first indication signal.
[0042] The combination of the first analog-to-digital converter, the second analog-to-digital converter, and the bidirectional current sensing amplifier can effectively convert analog signals into digital signals, enabling the microprocessor to accurately calculate the output power of the device and generate a first indication signal to indicate the output power.
[0043] In one embodiment of this application, the light-emitting device 20 includes a light-emitting area 21 and a light-guiding structure 22; the light-guiding structure 22 is disposed on the surface of the light-emitting area 21.
[0044] The signal processing circuit 10 is electrically connected to the light-emitting area 21; the signal processing circuit 10 transmits the first indication signal to the light-emitting area 21 to drive the light-emitting area 21 to emit light in a color, brightness and frequency corresponding to the first indication signal.
[0045] The light guide structure 22 is typically made of transparent acrylic material, with its surface covered by a precisely designed microstructure pattern. This microstructure can be tiny dots, stripes, or a grid. When a light source is placed on one side of the light guide structure 22, light enters the structure and is transmitted via total internal reflection. The microstructure pattern disrupts the total internal reflection path, causing the light to exit uniformly from the surface of the light guide structure 22, thus converting a linear or point light source into a uniform planar light output. By using the light guide structure 22, non-uniform point or line light sources can be converted into uniform surface light sources, avoiding localized over-brightness or under-brightness.
[0046] In one embodiment of this application, the light-emitting device 20 further includes a diffusion structure 23; the diffusion structure 23 is disposed on the side of the light-emitting area 21.
[0047] The diffusion structure 23 is typically made of milky white plastic, frosted glass, or a specially coated transparent material. Its surface may be textured to increase the scattering angle of light, thereby achieving a uniform light distribution. By setting the diffusion structure 23, bright spots and dark areas can be eliminated, making the light distribution more uniform, while also helping to reduce glare and improve the user's visual comfort.
[0048] In one embodiment of this application, the light-emitting device 20 further includes a fixing bracket 24; the light-emitting area 21 is mounted on the surface of the fixing bracket 24. Specifically, the surface of the fixing bracket 24 is provided with a groove that matches the contours of the light-emitting area 21 and the diffusion structure 23, and the light-emitting area 21 and the diffusion structure 23 are mounted inside the groove. By providing the fixing bracket 24, the installation stability of the light-emitting area 21 and the diffusion structure 23 can be ensured.
[0049] In one embodiment of this application, there are two or more light-emitting areas 21. By setting two or more light-emitting areas 21, more information display space and more complex status indication functions can be provided.
[0050] In one embodiment of this application, two or more light-emitting areas 21 are arranged side by side. By arranging two or more light-emitting areas 21 side by side, it is convenient to display different state information through a clearly defined physical division.
[0051] In one embodiment of this application, the light-emitting area 21 is an RGB light-emitting area. By designing the light-emitting area 21 as an RGB light-emitting area, various color combinations can be generated by mixing different primary colors, thereby providing rich status indication information.
[0052] In one embodiment of this application, the signal processing circuit 10 is a flexible circuit board. By designing the signal processing circuit 10 as a flexible circuit board, it is possible to adapt to the requirements of miniaturization and high-density electronic design, thereby improving the integration and flexibility of the device.
[0053] Reference Figure 4 In one embodiment of this application, a charging device with a status indication function is also provided, including a charging device and a status indication device as described in any of the above embodiments; the status indication device is mounted on the surface of the charging device.
[0054] As an example, the status indicator is mounted on the side of the charging device.
[0055] By setting up the status indicator device, users can easily understand the current output power of the charging equipment, thus improving the level of intelligence in power management.
[0056] In one specific implementation of the application, the charging device is a charger; the status indicator includes a signal processing circuit 10 and a light-emitting area 21; the signal processing circuit 10 is electrically connected to the main circuit board 30 of the charging device and the light-emitting area 21 respectively;
[0057] The signal processing circuit 10 acquires the output voltage and output current of the charging device, processes the output voltage and output current to obtain a first indication signal for indicating the output power, and transmits it to the light-emitting area 21 to drive the light-emitting area 21 to emit light in a color, brightness, and frequency corresponding to the first indication signal; wherein, the first indication signal and light emission scheme corresponding to each level of output power are shown in the following table:
[0058] Table 1 shows the first indicator signal and lighting scheme corresponding to each output power level of the charger.
[0059]
[0060]
[0061] In another specific implementation of the application, the charging device is a power bank; the status indicator includes a signal processing circuit 10, a first light-emitting area, a second light-emitting area, and a third light-emitting area; the signal processing circuit 10 is electrically connected to the main circuit board 30 of the charging device, the first light-emitting area, the second light-emitting area, and the third light-emitting area, respectively;
[0062] The signal processing circuit 10 acquires the output voltage and output current of the charging device, processes the output voltage and output current to obtain a first indication signal for indicating output power, and transmits it to the first light-emitting area to drive the first light-emitting area to emit light in a color, brightness, and frequency corresponding to the first indication signal; wherein, the first indication signal and light emission scheme corresponding to each level of output power are shown in the following table:
[0063] Table 2 shows the first indicator signal and light emission scheme corresponding to each output power level of the power bank.
[0064]
[0065] The signal processing circuit 10 also acquires the input voltage and input current of the charging device, processes the input voltage and input current to obtain a second indication signal for indicating the input power, and transmits it to the second light-emitting area to drive the second light-emitting area to emit light in a color, brightness, and frequency corresponding to the second indication signal; wherein, the second indication signal and light emission scheme corresponding to each level of output power are shown in the following table:
[0066] Table 3. Second indicator signals and light emission schemes corresponding to each input power level of the power bank.
[0067]
[0068] The signal processing circuit 10 also acquires the battery voltage of the charging device, processes the battery voltage to obtain a third indication signal for indicating battery level, and transmits it to the third light-emitting area to drive the third light-emitting area to emit light in a color, brightness, and frequency corresponding to the third indication signal; wherein, the third indication signal and light emission scheme corresponding to each level of battery level are shown in the following table:
[0069] Table 4 shows the third indicator signal and illumination scheme corresponding to each battery level of the portable power bank.
[0070]
[0071] The above embodiments are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. Similar or identical parts between embodiments can be referred to each other.
[0072] Although preferred embodiments of this application have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are interpreted to include both the preferred embodiments and all changes and modifications falling within the scope of the embodiments of this application.
[0073] Finally, it should be noted that in this specification, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or terminal device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or terminal device. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of additional identical elements in the process, method, article, or terminal device that includes said element.
[0074] The status indicator device and charging device of this application have been described in detail above. Specific embodiments have been used to illustrate the principles and implementation methods of this application. The descriptions of these embodiments are merely for the purpose of helping to understand the method and core ideas of this application. Furthermore, those skilled in the art will recognize that, based on the ideas of this application, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this application.
Claims
1. A status indication device for a charging device, characterized in that, Includes signal processing circuitry and light-emitting devices; The signal processing circuit is electrically connected to the main circuit board of the charging device and the light-emitting device, respectively. The signal processing circuit acquires the output voltage and output current of the charging device, processes the output voltage and output current to obtain a first indication signal for indicating the output power, and transmits the first indication signal to the light-emitting device to drive the light-emitting device to emit light in a color, brightness and frequency corresponding to the first indication signal.
2. The status indication device according to claim 1, characterized in that, The signal processing circuit includes a first analog-to-digital converter, a second analog-to-digital converter, a bidirectional current sensing amplifier, and a microprocessor; The first analog-to-digital converter (ADC) is electrically connected to the microprocessor; the first ADC acquires the output voltage of the charging device, converts the output voltage into a first digital signal, and transmits it to the microprocessor; the second ADC is electrically connected to the bidirectional current sensing amplifier; the second ADC acquires the output current of the charging device, converts the output current into a second digital signal, and transmits it to the bidirectional current sensing amplifier; the bidirectional current sensing amplifier is electrically connected to the microprocessor; the bidirectional current sensing amplifier amplifies the second digital signal and transmits it to the microprocessor; the microprocessor is electrically connected to the light-emitting device; the microprocessor processes the first digital signal and the amplified second digital signal to obtain a first indication signal for indicating output power, and transmits the first indication signal to the light-emitting device to drive the light-emitting device to emit light in a color, brightness, and frequency corresponding to the first indication signal.
3. The status indication device according to claim 1, characterized in that, The light-emitting device includes a light-emitting area and a light-guiding structure; the light-guiding structure is disposed on the surface of the light-emitting area. The signal processing circuit is electrically connected to the light-emitting area; the signal processing circuit transmits the first indication signal to the light-emitting area to drive the light-emitting area to emit light in a color, brightness and frequency corresponding to the first indication signal.
4. The status indication device according to claim 3, characterized in that, The light-emitting device further includes a diffusion structure; the diffusion structure is disposed on the side of the light-emitting area.
5. The status indication device according to claim 3, characterized in that, The light-emitting device also includes a fixed bracket; the light-emitting area is mounted on the surface of the fixed bracket.
6. The status indication device according to claim 3, characterized in that, The light-emitting area has two or more.
7. The status indication device according to claim 6, characterized in that, Two or more of the aforementioned light-emitting areas are arranged side by side.
8. The status indication device according to claim 3, characterized in that, The light-emitting area is an RGB light-emitting area.
9. The status indication device according to claim 1, characterized in that, The signal processing circuit is a flexible circuit board.
10. A charging device with status indication function, characterized in that, It includes a charging device and a status indicator as described in any one of claims 1-9; the status indicator is mounted on the surface of the charging device.