CN113131592A

CN113131592A - Charging device, charging control method, charging control device, and storage medium

Info

Publication number: CN113131592A
Application number: CN202110412735.5A
Authority: CN
Inventors: 李达寰; 张晓洪
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-07-16

Abstract

The application discloses a charging device, a charging control method, a charging control device and a storage medium. The charging device includes: the rectification module is used for rectifying the accessed electric signal to obtain a rectified input signal; the power conversion module is used for adjusting the power of the input signal and outputting an adjusted charging signal; the voltage detection module is connected with the rectification module and used for detecting the voltage value of the input signal; the trigger module is connected with the voltage detection module and used for generating a first voltage signal under the condition that the voltage value is greater than or equal to a preset voltage threshold value and generating a second voltage signal under the condition that the voltage value is less than the voltage threshold value; and the logic control module is used for controlling the power conversion module to increase the power of the charging signal under the condition of receiving the first voltage signal or controlling the power conversion module to reduce the power of the charging signal under the condition of receiving the second voltage signal.

Description

Charging device, charging control method, charging control device, and storage medium

Technical Field

The application belongs to the technical field of intelligent charging, and particularly relates to a charging device, a charging control method, a charging control device and a storage medium.

Background

In the related art, the fast charging technology greatly improves the charging experience, the fast charging technology means higher charging power, and since the mains voltage is in a sine wave type, after rectification, the voltage difference between the wave crest and the wave trough of the input voltage is larger, and therefore a large-capacity capacitor needs to be used.

The large-capacity capacitor affects harmonics and also causes an increase in the size of the charger.

How to reduce the capacitor capacity to achieve the purpose of reducing the volume of the charger on the premise of ensuring the 'quick charging' efficiency is a technical problem to be solved urgently.

Disclosure of Invention

The present application aims to provide a charging device, a charging control method, a charging control device, and a storage medium, which at least achieve the technical effect of being able to reduce the capacitance to reduce the size of a charger.

In a first aspect, an embodiment of the present application provides a charging apparatus, configured to charge an electric device, including:

the rectification module is used for rectifying the accessed electric signal to obtain a rectified input signal;

the power conversion module is used for adjusting the power of the input signal and outputting an adjusted charging signal;

the voltage detection module is connected with the rectification module and used for detecting the voltage value of the input signal;

the trigger module is connected with the voltage detection module and used for generating a first voltage signal under the condition that the voltage value is greater than or equal to a preset voltage threshold value and generating a second voltage signal under the condition that the voltage value is less than the voltage threshold value;

and the logic control module is connected with the voltage detection module, the trigger module and the power conversion module and is used for controlling the power conversion module to increase the power of the charging signal under the condition of receiving the first voltage signal or controlling the power conversion module to reduce the power of the charging signal under the condition of receiving the second voltage signal.

In a second aspect, an embodiment of the present application provides a charging control method for controlling a charging apparatus according to the first aspect, where the method includes:

acquiring a voltage value of an input signal;

generating a corresponding voltage signal and a request signal according to the voltage value and a preset voltage threshold;

and controlling the charging device to adjust the power of the charging signal through the voltage signal and the request signal.

In a third aspect, an embodiment of the present application provides a charging control apparatus for controlling the charging apparatus according to the first aspect, the apparatus including:

an acquisition unit configured to acquire a voltage value of an input signal;

the generating unit is used for generating a corresponding voltage signal and a corresponding request signal according to the voltage value and a preset voltage threshold;

and the adjusting unit is used for controlling the charging device to adjust the power of the charging signal through the voltage signal and the request signal.

In a fourth aspect, the present application proposes a readable storage medium having stored thereon a program or instructions which, when executed by a processor, implement the steps of the charging control method as proposed in the second aspect.

In an embodiment of the application, the charging device at least comprises a rectifying module, a power conversion module, a voltage detection module and a logic control module. The rectifier module is used for rectifying the accessed alternating current commercial power to obtain a rectified direct current input signal. After the direct current input signal is input into the power conversion module, the power of the input signal is adjusted through the power conversion module to obtain an adjusted charging signal, and the electric equipment is charged through the charging signal.

The voltage detection module detects the waveform of the input voltage in real time to obtain the voltage value of the input signal, and controls the power conversion module to change the working state according to the voltage value so as to adjust the power of the charging signal. Specifically, when the voltage value of the input signal is higher, the power conversion module is controlled to output a charging signal with higher power, so that high-power charging is performed on the electric equipment, and the requirement of 'quick charging' is met. When the voltage value of the input signal is lower, the power conversion module is controlled to output a charging signal with lower power, so that the electric energy output of the capacitor is reduced, and the stable work of the charging device is ensured.

The charging device further comprises a trigger module, wherein the trigger module is connected with the rectifying module and generates a corresponding voltage signal according to a comparison result of the voltage value of the input signal detected by the voltage detection module and a preset voltage threshold value. The voltage signal may specifically include two signals, one of which is a first voltage signal, that is, a "high voltage" signal, generated by the trigger module when the voltage value is greater than or equal to the voltage threshold. The second voltage signal is a "low voltage" signal generated by the trigger module when the voltage value is smaller than the voltage threshold.

Specifically, according to whether the voltage value of the input signal of the power conversion module is smaller than the voltage threshold, the embodiment of the present application determines whether the current charging device performs fast charging with "high power" or maintains stable operation of the charging device with "low power". When the voltage value of the input signal is greater than or equal to the voltage threshold value, the input voltage is considered to be higher and is close to the wave crest of the input waveform, and at the moment, the high-power high-voltage input circuit works at high power to meet the requirement of quick charging. When the voltage value of the input signal is lower than the voltage threshold value, the input voltage is considered to be lower and close to the 'trough' of the input waveform, and the charging device is operated at low power at the moment so as to ensure stable operation of the charging device. When the voltage of the input signal is lower, the charging device is controlled to output with lower power, so that a large-capacity capacitor is not needed to be arranged to compensate the low input voltage, the size of the capacitor can be effectively reduced, and the size of the charging device is further reduced.

The embodiment that this application provided has been used, when the work of charging, gather the input voltage value of power conversion module in real time to according to the change of input voltage value, the power value of the charging signal of output for consumer is adjusted to developments, thereby works with less output when the input voltage value is lower, and need not to set up large capacity electric capacity and come to compensate low input voltage, consequently can reduce the volume of condenser effectively, and then reduces charging device's volume. Meanwhile, due to the fact that the small-capacity capacitor is arranged, when a voltage wave valley is input, electric energy released by the capacitor is small, and therefore the degree of current and voltage asynchronism is reduced, harmonic interference is reduced, and power supply quality of the charging device is improved.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 shows a schematic structural diagram of a charging device according to an embodiment of the present application;

fig. 2 shows one of the flowcharts of a charge control method according to an embodiment of the present application;

fig. 3 shows a second flowchart of a charge control method according to an embodiment of the present application;

fig. 4 illustrates waveform diagrams of voltage and current of a charging signal output by a charging device according to an embodiment of the present application;

fig. 5 is a block diagram showing a configuration of a charge control device according to an embodiment of the present application.

Reference numerals:

100 charging device, 102 rectifying module, 104 power conversion module, 106 voltage detection module, 108 logic control module, 110 trigger module, 112 port module, 114 output control module, 116 signal transmission module, 118 feedback module, 120 driving module, 122 signal receiving module, 124 first filtering module, 126 second filtering module, 128 third filtering module, 130 auxiliary module, 132 current detection module.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

A charging device, a charging control method, a charging control device, and a storage medium according to embodiments of the present application are described below with reference to fig. 1 to 5.

In some embodiments of the present application, there is provided a charging device, and fig. 1 shows a schematic structural diagram of a charging device according to an embodiment of the present application, and as shown in fig. 1, the charging device includes:

the rectification module 102 is configured to rectify the accessed electrical signal to obtain a rectified input signal;

a power conversion module 104, configured to adjust power of an input signal and output an adjusted charging signal;

the voltage detection module 106 is connected with the rectification module 102 and is used for detecting the voltage value of the input signal;

the trigger module 110 is connected to the voltage detection module 106, and the trigger module 110 is configured to generate a first voltage signal when the voltage value is greater than or equal to a preset voltage threshold, and generate a second voltage signal when the voltage value is less than the voltage threshold;

and the logic control module 108, connected to the voltage detection module 106, the trigger module 110 and the power conversion module 104, is configured to control the power conversion module to increase the power of the charging signal when receiving the first voltage signal, or to control the power conversion module to decrease the power of the charging signal when receiving the second voltage signal.

In the embodiment of the present application, the charging device 100 includes at least a rectifying module 102, a power conversion module 104, a voltage detection module 106, and a logic control module 108. The rectifier module 102 rectifies the ac mains supply to obtain a rectified dc input signal. After the input signal of the direct current is input to the power conversion module 104, the power of the input signal is adjusted by the power conversion module 104 to obtain an adjusted charging signal, and the electric device is charged by the charging signal.

The voltage detection module 106 detects the waveform of the input voltage in real time to obtain the voltage value of the input signal, and controls the power conversion module 104 to change the working state according to the voltage value, so as to adjust the power of the charging signal. Specifically, when the voltage value of the input signal is higher, the power conversion module 104 is controlled to output a charging signal with higher power, so that the electric equipment is charged with high power, and the requirement of 'quick charging' is met. When the voltage value of the input signal is low, the power conversion module 104 is controlled to output a charging signal with low power, so that the electric energy output of the capacitor is reduced, and the stable operation of the charging device 100 is ensured.

The charging device 100 further includes a triggering module 110, where the triggering module 110 is connected to the rectifying module 102, and generates a corresponding voltage signal according to a comparison result between the voltage value of the input signal detected by the voltage detecting module 106 and a preset voltage threshold. The voltage signal may specifically include two signals, one of which is a first voltage signal, i.e., a "high voltage" signal, generated by the trigger module 110 when the voltage value is greater than or equal to the voltage threshold. The second voltage signal is a "low voltage" signal generated by the trigger module 110 when the voltage value is smaller than the voltage threshold.

Specifically, according to whether the voltage value of the input signal of the power conversion module 104 is smaller than the voltage threshold, the embodiment of the present application determines whether the charging device 100 performs fast charging at "high power" or keeps stable operation of the charging device 100 at "low power". When the voltage value of the input signal is greater than or equal to the voltage threshold value, the input voltage is considered to be higher and is close to the wave crest of the input waveform, and at the moment, the high-power high-voltage input circuit works at high power to meet the requirement of quick charging. When the voltage value of the input signal is lower than the voltage threshold value, the input voltage is considered to be lower and close to the 'trough' of the input waveform, and the charging device is operated at low power at the moment so as to ensure stable operation of the charging device. When the voltage of the input signal is low, the charging device 100 is controlled to output with low power, so that a large-capacity capacitor is not needed to be arranged to compensate for the low input voltage, the size of the capacitor can be effectively reduced, and the size of the charging device 100 can be further reduced.

By applying the embodiment provided by the application, when the charging device works, the input voltage value of the power conversion module 104 is acquired in real time, so that the power value of the charging signal output to the electric equipment is dynamically adjusted according to the change of the input voltage value, the charging device works with smaller output power when the input voltage value is lower, and the low input voltage is compensated without setting a large-capacity capacitor, so that the size of the capacitor can be effectively reduced, and the size of the charging device 100 is further reduced. Meanwhile, due to the arrangement of the small-capacity capacitor, when a voltage wave valley is input, the electric energy released by the capacitor is small, so that the degree of current and voltage asynchronism is reduced, the harmonic interference is reduced, and the power supply quality of the charging device 100 is improved.

In some embodiments of the present application, the number of the preset voltage thresholds is plural. When the voltage detection module 106 detects that the voltage value is smaller than one of the voltage thresholds, if the voltage value is smaller than the voltage threshold a1, the logic control module 108 controls the power conversion module 104 to reduce the power of the output charging signal. Thereafter, the voltage detection module 106 continuously detects the voltage value of the input signal of the rectification module 102, and if it is further detected that the voltage value is less than a2(a2 < a1) in the plurality of voltage thresholds, generates a second voltage signal again, so that the logic control module 108 controls the power conversion module 104 again to further reduce the power of the output charging signal, and similarly, if it is further detected that the voltage value is less than A3(A3 < a2) in the plurality of voltage thresholds, the power of the output charging signal is further reduced until the voltage of the input signal enters a rising interval.

In the rising interval, when the voltage detection module 106 detects that the voltage value is greater than one of the plurality of voltage thresholds, if the voltage value is greater than the voltage threshold a4, the logic control module 108 controls the power conversion module 104 to increase the power of the output charging signal. Then, the voltage detection module 106 continuously detects the voltage value of the input signal of the rectification module 102, and if it is further detected that the voltage value is greater than a5(a5 > a4) in the plurality of voltage thresholds, generates a first voltage signal again, so that the logic control module 108 controls the power of the charging signal further increased by the power conversion module 104 again, and if it is further detected that the voltage value is greater than a6(a6 > a5), the power of the charging signal is further increased until the voltage of the input signal enters the falling interval again, so that the power variation trend of the charging signal matches the current variation trend of the input signal, thereby improving the power supply efficiency and the power supply quality of the charging device 100.

In some embodiments of the present application, as shown in fig. 1, the charging device 100 further includes: a port module 112 for connecting the electric device to transmit and receive signals; the output control module 114 is connected with the trigger module 110 and the port module 112, and the output control module 114 is configured to generate a first request signal according to the first voltage signal, and send the first request signal to the electric device through the port module 112, so that the power-taking power of the electric device is adjusted to be the first power-taking power; or generating a second request signal according to the second voltage signal, and sending the second request signal to the electric equipment through the port module 112 so as to adjust the power-taking power of the electric equipment to a second power-taking power; the first power taking power is larger than the second power taking power.

In this embodiment, the charging device 100 includes the port module 112, and the electric device can establish an electrical connection with the charging device through the port module 112, so as to receive a charging signal of the charging device to perform charging, and meanwhile, the charging device 100 and the electric device can also perform other data instruction interaction through the port module 112, such as establishing a connection according to a charging protocol, transmitting a request signal, getting an electric signal, and the like.

The port module 112 may be configured as a Universal Serial Bus (USB) interface, such as USB-A, USB-C. The embodiment of the present application does not limit the specific type of the port module 112.

Further, the charging device 100 further includes an output control module 114, the output control module 114 is connected to the triggering module 110 and the port module 112, and when the output control module 114 receives a first voltage signal, that is, a high voltage signal, a first request signal is generated and sent to the electric equipment, and the electric equipment can respond to the first request signal to increase its own power taking power, specifically, to increase the first power taking power. Then, the charging equipment supplies power to the electric equipment with higher charging power, and the electric equipment also gets power from the charging equipment with higher power, so when the input waveform reaches the wave crest, the high-power charging is carried out to meet the quick charging requirement.

When the output control module 114 receives the second voltage signal, that is, the low voltage signal, sent by the trigger module 110, the output control module 114 generates a corresponding second request signal, and sends the second request signal to the electric device through the port module 112, so as to inform that the waveform of the current input signal of the electric device is located near the trough, and therefore, the electric device is requested to reduce the power consumption.

And after receiving the second request signal, the electric equipment responds to the second request signal to reduce the self power taking power, specifically to the second power taking power. And then, the charging equipment supplies power to the electric equipment with lower charging power, and the electric equipment also takes power from the charging equipment with lower power taking power. Therefore, when the waveform reaches the valley, the smooth operation of the charging device is ensured by reducing the charging power, and the volume of the charging device 100 can be effectively reduced without providing a large-capacity capacitor.

In some embodiments of the present application, as shown in fig. 1, the charging device 100 further includes: a signal transceiver module, wherein the signal transceiver module includes a signal transmitting module 116, and is connected to the logic control module 108 and the trigger module 110; a feedback module 118 connected with the signal sending module 116 and the output control module 114; the signal transmitting module 116 receives the first request signal or the second request signal and transmits the first request signal or the second request signal to the port module 112 through the feedback module 118.

In this embodiment, the charging device 100 further includes a signal sending module 116 and a feedback module 118, data instruction communication among the logic control module 108, the trigger module 110, and the feedback module 118 is realized through the signal sending module 116, data transmission between the logic control module 108 and the output control module 114 is further realized through the feedback module 118, and finally request signals, specifically, a first request signal and a second request signal, are transmitted to the port module 112 and are finally sent to the electric device, so that internal data transmission of the charging device 100 is realized.

In some embodiments of the present application, as shown in fig. 1, the charging device 100 further includes: and the driving module 120 is connected with the logic control module 108 and the power conversion module 104, and the driving module 120 is used for driving the power conversion module 104 to operate.

In the embodiment of the present application, the charging device 100 further includes a driving module 120, and the driving module 120 is connected to the logic control module 108 and the power conversion module. During the operation of the charging device 100, the logic control module 108 generates a corresponding control signal according to the voltage value of the input signal detected in real time, and controls the driving module 120 to drive the power conversion module 104 to operate through the control signal, so as to change the power of the charging signal of the power conversion module 104.

Specifically, when the voltage value of the input signal is lower than the preset voltage threshold, the driving module 120 drives the power conversion module 104 to output a charging signal with lower power under the control of the logic control module 108, so that the charging device may not be provided with a capacitor with large capacity, and the size of the charging device may be reduced.

When the voltage value of the input signal is not lower than the preset voltage threshold, the driving module 120 drives the power conversion module 104 to output a charging signal with higher power under the control of the logic control module 108, so as to perform fast charging.

In some embodiments of the present application, as shown in fig. 1, the signal transceiver module further includes a signal receiving module 122, and the signal receiving module 122 is connected to the port module 112, the output control module 114, and the logic control module 108;

the port module 112 is further configured to receive a power taking signal sent by the electric device;

the output control module 114 is further configured to send the voltage signal to the signal receiving module 122;

the logic control module 108 obtains the voltage signal and the power taking signal through the signal receiving module 122, and determines the power taking power of the electric device according to the voltage signal and the power taking signal.

In this embodiment, the charging device 100 further includes a signal receiving module 122, the signal receiving module 122 is disposed in parallel with the signal sending module 116, and is connected to the port module 112, the output control module 114 and the logic control module 108, and the signal receiving module 122 is responsible for receiving signals from the port module 112 to the output control module 114, then to the feedback module 118, and then to the logic control module 108, and similarly, the signal sending module 116 is responsible for sending signals from the logic control module 108 or the trigger module 110 to the feedback module 118, then to the output control module 114, and then to the port module 112.

Further, the port module 112 receives a power-taking signal sent by the electric device, where the power-taking signal corresponds to a request signal sent by the charging apparatus 100 to the electric device, that is, after the charging apparatus 100 sends a request for reducing or increasing power-taking to the electric device, the electric device may reduce or increase its power-taking power according to the received request signal, generate a corresponding feedback signal, that is, the power-taking signal, and send the feedback signal to the charging apparatus 100.

After receiving the power-taking signal, the charging device 100 combines the received power-taking signal with the voltage signal acquired by the charging device through the output control module 114 and the feedback module 118, and sends the voltage signal to the logic control module 108, and the logic control module 108 determines the power-taking power requested by the power-taking device according to the received voltage signal and the power-taking signal. The voltage signal corresponds to the power taking signal, that is, when the voltage signal is a high voltage signal, the power taking signal corresponds to power taking with high power, and when the voltage signal is a low voltage signal, the power taking signal corresponds to power taking with low power.

When the power-taking signal and the voltage signal are matched, the logic control module 108 may generate a control instruction to control the driving module 120 to drive the power conversion module 104, so as to change the power of the charging signal of the power conversion module 104, so as to output with high power when the input voltage waveform is close to the peak, thereby realizing fast charging, and output with low power when the input voltage waveform is close to the valley, thereby realizing miniaturization of the charging device 100 without providing a capacitor with large capacity.

In some embodiments of the present application, the logic control module 108 is further configured to generate a first control signal according to the power-taking power when receiving the first voltage signal, and control the driving module 120 through the first control signal, so that the driving module 120 drives the power conversion module 104 to adjust the power of the charging signal to the first charging power; or generating a second control signal according to the second power taking power under the condition of receiving the second voltage signal, and controlling the driving module 120 through the second control signal, so that the driving module 120 drives the power conversion module 104 to adjust the power of the charging signal to the second charging power;

the first charging power is larger than the second charging power, the first charging power is matched with the first power taking power, and the second charging power is matched with the second power taking power.

In this embodiment of the application, if the logic control module 108 determines that the power-taking power from the electrical device is the first power-taking power according to the voltage signal and the power-taking signal, and the corresponding voltage signal is the first voltage signal at the same time, that is, the voltage signal is a high voltage signal, and when the power-taking power is high power, the corresponding first control signal is generated and sent to the driving module 120, and the driving module 120 adjusts the power of the charging signal to the first charging power matched with the first power-taking signal according to the first control signal and the driving power conversion module 104.

If the logic control module 108 determines that the power-taking power of the electric device is the second power-taking power and the corresponding voltage signal is the second voltage signal, that is, the voltage signal is the low voltage signal, and the corresponding second control signal is generated under the condition that the power-taking power is low power, and the second control signal is sent to the driving module 120, the driving module 120 adjusts the power of the charging signal to the second charging power matched with the second power-taking signal according to the second control signal by the driving power conversion module 104.

It can be understood that the first charging power is "higher" charging power, when the power conversion module 104 outputs a charging signal of the first charging power, the charging device 100 supplies power at higher power to achieve fast charging, the second charging power is "lower" charging power, and when the power conversion module 104 outputs a charging signal of the second charging power, the charging device 100 supplies power at lower power to improve the stability of the charging device 100.

In some embodiments of the present application, as shown in fig. 1, the charging device 100 further includes:

the first filtering module 124 is disposed between the rectifying module 102 and the power converting module 104, and is configured to filter the input signal; and/or

The second filtering module 126 is disposed between the power conversion module 104 and the port module 112, and is configured to filter the charging signal.

In this embodiment, the charging device 100 is provided with a first filtering module 124 and a second filtering module 126, wherein the first filtering module 124 is located after the rectifying module 102 and before the power converting module 104, and the first filtering module 124 can filter the rectified mains signal, so as to remove a clutter signal in the mains signal. The second filtering module 126 is located after the power conversion module 104 and before the port module 112, and is configured to filter the charging signal after the power conversion module 104 converts the power, so as to reduce the ripple of the charging signal and improve the power supply quality of the charging device 100.

The first filtering module 124 and the second filtering module 126 are each provided with an energy storage device, such as a capacitor, for filtering out noise in the signal. It can be understood that, since the power of the charging signal is dynamically adjusted according to the voltage waveform of the input signal in the embodiment of the present application, when the voltage waveform is close to the trough position, that is, when the voltage of the input signal is lower than the threshold, the power is supplied with lower power, and thus, the stable operation of the charging device 100 is ensured, it is not necessary to provide capacitors with large capacity in the first filtering module 124 and the second filtering module 126, so that the size of the charging device 100 is effectively reduced, and the miniaturization of the charging device 100 is facilitated.

In some embodiments of the present application, the charging device 100 further comprises: the third filtering module 128 is disposed at the input end of the rectifying module 102, and is configured to filter the mains supply; the third filtering module 128 is an electromagnetic interference filtering module.

In the embodiment of the present application, a third filtering module 128 is further disposed at the input end of the rectifying module 102, wherein the third filtering module 128 may be specifically configured as an Electromagnetic Interference (EMI) filtering module. Through setting up third filtering module 128, can further filter the clutter in the electric wire netting, reduce electromagnetic interference, improve the rate of accuracy of signal sampling.

In some embodiments of the present application, as shown in fig. 1, the charging device 100 includes: the auxiliary module 130 is connected with the logic control module 108 and used for supplying power to the logic control module 108; and a current detection module 132, connected to the logic control module 108 and the power conversion module 104, for detecting an output current of the power conversion module 104, so that the logic control module 108 controls the power conversion module 104 to operate according to the output current.

In the embodiment of the present application, the charging device 100 includes an auxiliary module 130, and the auxiliary module 130 can supply power to a chip such as the logic control module 108. Specifically, after the charging device 100 is powered on, the auxiliary module 130 starts to store electric energy, and when the voltage value of the auxiliary module 130 satisfies the power supply voltage of the chip such as the logic control module 108, each control module is powered on and started.

The charging device 100 further includes a current detection module 132, the current detection module 132 is connected to the logic control module 108 and the power conversion module 104 to detect a current value of the charging signal output by the power conversion module 104, and the logic control module 108 determines the power of the charging signal according to the current value detected by the current detection module 132, so as to determine a control result of the power conversion module 104, thereby forming a closed-loop control.

In some embodiments of the present application, there is provided a charging control method for controlling a charging device as in any of the above embodiments, fig. 2 shows one of flowcharts of the charging control method according to an embodiment of the present application, and as shown in fig. 2, the control method includes:

step 202, acquiring a voltage value of an input signal;

step 204, generating a first voltage signal and a first request signal when the voltage value is greater than or equal to the voltage threshold, and generating a second voltage signal and a second request signal when the voltage value is less than the voltage threshold;

in step 206, the charging device is controlled to increase the power of the charging signal by the first voltage signal and the first request signal, or the charging device is controlled to decrease the power of the charging signal by the second voltage signal and the second request signal.

In the embodiment of the present application, the charging device dynamically adjusts the power of the charging signal according to a comparison result between the voltage value of the input signal and a preset voltage threshold. Specifically, the waveform of the input voltage is detected in real time through the voltage detection module, so that the voltage value of the input signal is obtained, the magnitude relation between the voltage value and the voltage threshold is judged, and the power conversion module is controlled to change the working state according to the magnitude relation value, so that the power of the charging signal is adjusted, namely, the charging device is adjusted to perform fast charging at high power or maintain stable operation of the charging device at low power.

When the voltage value of the input signal is lower than the voltage threshold value, the input voltage is considered to be lower and close to the 'trough' of the input waveform, and the charging device is operated at low power at the moment so as to ensure stable operation of the charging device. When the voltage of the input signal is lower, the charging device is controlled to output with lower power, so that a large-capacity capacitor is not needed to be arranged to compensate the low input voltage, the size of the capacitor can be effectively reduced, and the size of the charging device is further reduced.

Specifically, when the output control module of the charging device receives a first voltage signal, that is, a high voltage signal, a first request signal is generated and sent to the electric equipment, and the electric equipment can respond to the first request signal, so that the self power taking power is improved, specifically, the first power taking power is improved. Then, the charging equipment supplies power to the electric equipment with higher charging power, and the electric equipment also gets power from the charging equipment with higher power, so when the input waveform reaches the wave crest, the high-power charging is carried out to meet the quick charging requirement.

When the output control module of the charging device receives a second voltage signal, namely a low voltage signal, sent by the trigger module, the output control module generates a corresponding second request signal, and sends the second request signal to the electric equipment through the port module, so that the electric equipment is informed that the waveform of the current input signal is near the trough, and the electric equipment is requested to reduce the power taking power.

And after receiving the second request signal, the electric equipment responds to the second request signal to reduce the self power taking power, specifically to the second power taking power. And then, the charging equipment supplies power to the electric equipment with lower charging power, and the electric equipment also takes power from the charging equipment with lower power taking power. Therefore, when the waveform is input to the wave valley, the stable work of the charging equipment is ensured by reducing the charging power, a large-capacity capacitor is not required to be arranged, and the size of the charging device can be effectively reduced.

In some embodiments of the present application, the charge control method further comprises: sending the first request signal to the electric equipment so that the electric equipment can increase the electricity taking power according to the first request signal; or

And sending the second request signal to the electric equipment so that the electric equipment can reduce the power taking power according to the second request signal.

In this application embodiment, charging equipment generates corresponding voltage signal according to the comparison result of the voltage value of input signal and preset voltage threshold, and charging equipment's output control module generates corresponding request signal according to the voltage signal that receives, and send to consumer, consumer can adjust self according to the request signal that receives and get electric power, in order when charging device outputs the charging signal of high power, with higher power of getting work, satisfy self demand of fast filling, and when charging device outputs the charging signal of low power, with lower power of getting work, guarantee charging equipment's stability.

Specifically, the charging device sends the first request signal to the electric equipment, and then the electric equipment improves its own power taking power, and the charging device sends the second request signal to the electric equipment, and then the electric equipment reduces its own power taking power.

In some embodiments of the present application, fig. 3 illustrates a second flowchart of a charging control method according to an embodiment of the present application, and as shown in fig. 3, the charging control method includes:

step 302, receiving a power getting signal sent by the electric equipment according to the request signal;

and 304, determining the power taking power of the electric equipment according to the power taking signal.

In this application embodiment, charging device receives the electricity-taking signal that the consumer sent, wherein, should get the electricity signal and the request signal that charging device sent to the consumer corresponds, promptly, charging device sends the request back that reduces or improve to get the electricity to the consumer, and the consumer can reduce or improve self according to the received request signal and get the electric power, and generate corresponding feedback signal, promptly get the electricity signal above-mentioned, and send charging device to.

After receiving the power taking signal, the charging device determines the power taking power requested by the power taking equipment according to the received voltage signal and the power taking signal. The voltage signal corresponds to the power taking signal, that is, when the voltage signal is a high voltage signal, the power taking signal corresponds to power taking with high power, and when the voltage signal is a low voltage signal, the power taking signal corresponds to power taking with low power.

When getting electric signal and voltage signal phase matching, charging device changes the power of the signal of charging to when the input voltage waveform is close to the crest, carry out output with high-power, realize fast charging, and when the input voltage waveform is close to the crest, carry out output with miniwatt, thereby need not set up the condenser of large capacity, realize charging device's miniaturization.

In some embodiments of the present application, controlling the charging device to adjust the power of the charging signal through the voltage signal and the request signal includes:

under the condition that the voltage signal is the first voltage signal, adjusting the power of the charging signal to be first charging power;

under the condition that the voltage signal is the second voltage signal, adjusting the power of the charging signal to be the second charging power;

In this application embodiment, according to the voltage signal and the power-taking signal, it is determined that the power-taking power from the electric device is the first power-taking power, and the corresponding voltage signal is the first voltage signal at the same time, that is, the voltage signal is a high voltage signal, and the power of the charging signal is adjusted to the first charging power matched with the first power-taking signal when the power-taking power is the high power.

And if the power-taking power of the electric equipment is determined to be the second power-taking power and the corresponding voltage signal is the second voltage signal, namely the voltage signal is a low-voltage signal, and under the condition that the power-taking power is low, the power of the charging signal is adjusted to be the second charging power matched with the second power-taking signal.

It can be understood that the first charging power is "higher" charging power, when the power conversion module outputs a charging signal of the first charging power, the charging device supplies power with higher power to realize quick charging, the second charging power is "lower" charging power, and when the power conversion module outputs a charging signal of the second charging power, the charging device supplies power with lower power to improve the stability of the charging device.

In some embodiments of the present application, a specific workflow of a charging device is described.

In this embodiment of the present application, a charging-power-taking system is formed between the charging device and the electric device, and in this charging-power-taking system, three functional units may be specifically included:

the device comprises a power unit, a control unit and a power utilization unit.

The power unit comprises the rectification module, a power conversion module, an output control module, a port module, a feedback module, a first filtering module, a second filtering module and a third filtering module.

The control unit comprises a trigger module, a voltage detection module, an auxiliary module, a driving module, a current detection module, a signal receiving module, a signal sending module and a logic control module.

The electricity utilization unit is the electricity utilization equipment.

Step 001, after the charging device is started, after the electric energy obtained by commercial power passes through the rectifying module, the electric energy supplies power to the auxiliary module on the primary side (input side), and after the voltage value of the auxiliary module reaches the starting voltage value of the control unit, each module in the control unit starts to work.

And step 002, after the control unit is started, the voltage detection module detects the voltage waveform of the input signal rectified by the rectification module in real time, and sends the detection information to the logic control module and the trigger module.

In this process, the current detection module synchronously transmits a current signal to the logic control module to form closed-loop control. The logic control module controls the power conversion module to operate according to a preset rule. The preset rule may be determined according to a charging protocol of the powered device.

And the logic control module judges whether the voltage of the input signal is lower than a voltage threshold value according to the voltage waveform fact. During the falling of the voltage waveform, there are the following steps 003 to 007:

step 003, when the voltage is lower than the threshold value V₀When the charging equipment is used, the trigger module sends a low-voltage signal to the logic control module and the signal sending module, and meanwhile, the logic control module controls the primary side (input side) of the charging equipment to maintain working.

Step 004, the signal sending module sends the low-voltage signal to the output control module through the feedback module.

In step 005, the output control module outputs a request signal through the port module to request the power consumption equipment (power consumption unit) to reduce power consumption.

Step 0051, the output control module sends a command to reduce power output to the signal receiving module of the control unit through the feedback module (step 0051 may also be performed after step 006, as in step 0061 below).

In step 006, the electric device reduces the power supply power (generally, reduces the charging power by 1W to 10W) in response to the request signal, and feeds back the related request signal.

0061, if step 0051 is executed, skipping, if step 0051 is not executed, the output control module sends a command of reducing power output to the signal receiving module of the control unit through the feedback module.

Step 007, the signal receiving module sends the feedback request signal to the logic control module, and the logic control module controls the driving module to reduce the duty ratio of the driving signal, so that the power of the charging signal output by the power conversion module is reduced to the lower power (reduced current) requested by the electric equipment.

In the process of the rising voltage waveform, there are the following steps 008 to 012:

step 008, when the voltage is higher than the threshold value V₀When the charging device is used, the trigger module sends a high-voltage signal to the logic control module and the signal sending module, and meanwhile, the logic control module 108 controls and controls the primary side (input side) of the charging device to maintain working.

And step 009, the signal sending module sends the high-voltage signal to the output control module through the feedback module.

And 010, the output control module requests the electric equipment to boost the power taking power through the output port.

In step 0101, the output control module sends a command for increasing the power output to the signal receiving module of the control unit through the feedback module (step 0101 may also be executed after step 011, as in step 0111 below).

Step 011, the electric equipment extracts the electric power (usually, the maximum output power of the charging equipment), and feeds back the relevant request signal to the output control module through the port module.

Step 0111, if step 0101 is executed, skipping, if step 0101 is not executed, the output control module sends the instruction of increasing power output to the signal receiving module of the control unit through the feedback module.

In step 012, the signal receiving module sends the fed back request signal to the logic control module, and the logic control module controls the driving module to increase the duty ratio of the driving signal, so that the power of the charging signal output by the power conversion module is increased to the higher power (fast charging power) requested by the electric device.

And 013, rectifying the charging signal output by the power conversion module through the second filtering module, and outputting the rectified charging signal to the electric equipment.

According to the embodiment of the application, the change of the output power is dynamically controlled by sampling the value of the input voltage in real time, so that the value of the output power can be adjusted by using a single capacitor according to the value of the capacitance. In the whole working period, the working time of the capacitor is short, and the harmonic ratio is small. The capacitance of the capacitor is reduced, so that the volume of the capacitor becomes small. The volume of the final charging device can be greatly reduced.

With the charging device and the control method thereof provided by the embodiment of the present application applied, fig. 4 shows a waveform diagram of voltage and current of the charging signal output by the charging device according to the embodiment of the present application, as shown in fig. 4, the power supply detects the waveform of the voltage in real time, and when the voltage decreases, at t₀When is below the threshold value V₀Adjusting the output power, wherein the current of the charging signal is reduced to I₁So that the discharge curve of the capacitor is L₁(if the output power is not adjusted, the voltage curve is L₂) So that the minimum voltage V in the cycle₁Greater than the minimum value V of the operating voltage₂The output power is maintained continuously.

When the voltage rises, at t₂Is higher than the threshold value V₀Adjusting the output power to the maximum required value and increasing the current to I₀And charging experience is improved.

In some embodiments of the present application, a charging control device is provided for controlling a charging device in any of the above embodiments, fig. 5 shows a block diagram of a charging control device according to an embodiment of the present application, and as shown in fig. 5, the charging control device 500 includes:

an acquisition unit 502 for acquiring a voltage value of an input signal;

a generating unit 504 for generating a first voltage signal and a first request signal in a case where the voltage value is greater than or equal to the voltage threshold; generating a second voltage signal and a second request signal if the voltage value is less than the voltage threshold;

an adjusting unit 506, configured to control the charging device to increase the power of the charging signal through the first voltage signal and the first request signal; or the charging device is controlled to reduce the power of the charging signal through the second voltage signal and the second request signal.

In some embodiments of the present application, the charging control apparatus 500 further includes:

a sending unit 508, configured to send the first request signal to the electric device, so that the electric device increases the power consumption according to the first request signal; or sending the second request signal to the electric equipment so that the electric equipment can reduce the power taking power according to the second request signal.

In some embodiments of the present application, the obtaining unit 502 is further configured to receive a power getting signal sent by the electric device according to the request signal;

the adjusting unit 506 is further configured to determine the power-taking power of the electric device according to the power-taking signal.

In some embodiments of the present application, the adjusting unit 506 is further configured to adjust the power of the charging signal to the first charging power if the voltage signal is the first voltage signal; under the condition that the voltage signal is the second voltage signal, adjusting the power of the charging signal to be the second charging power; the first charging power is larger than the second charging power, the first charging power is matched with the first power taking power, and the second charging power is matched with the second power taking power.

In some embodiments of the present application, a readable storage medium is provided, on which a program or an instruction is stored, and the program or the instruction, when executed by a processor, implements the steps of the charging control method provided in any of the above embodiments, so that the readable storage medium also includes all the beneficial effects of the charging control method provided in any of the above embodiments, and in order to avoid repetition, details are not described herein again.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A charging device for charging a powered device, comprising:

2. The charging device according to claim 1, further comprising:

the port module is used for connecting the electric equipment to send and receive signals;

the output control module is connected with the trigger module and the port module and used for generating a first request signal according to the first voltage signal and sending the first request signal to the electric equipment through the port module so as to adjust the electricity taking power of the electric equipment to be first electricity taking power; or

Generating a second request signal according to the second voltage signal, and sending the second request signal to the electric equipment through the port module so as to adjust the power-taking power of the electric equipment to a second power-taking power;

the first power taking power is larger than the second power taking power.

3. The charging device according to claim 2, further comprising:

the signal transceiving module is connected with the logic control module and the trigger module;

the feedback module is connected with the signal transceiving module and the output control module;

the signal transceiver module receives the first request signal or the second request signal and sends the first request signal or the second request signal to the port module through the feedback module.

4. A charging device as claimed in claim 3, further comprising:

and the driving module is connected with the logic control module and the power conversion module and is used for driving the power conversion module to work.

5. The charging device according to claim 4, further comprising:

the signal receiving and transmitting module is also connected with the port module and the output control module;

the port module is also used for receiving a power taking signal sent by the electric equipment;

the output control module is also used for sending the voltage signal to the signal transceiving module;

the logic control module acquires the voltage signal and the power taking signal through the signal transceiving module, and determines the power taking power of the electric equipment according to the voltage signal and the power taking signal.

6. A charging arrangement as claimed in claim 5,

the logic control module is further configured to generate a first control signal according to the first power taking power under the condition that the first voltage signal is received, and control the driving module through the first control signal, so that the driving module drives the power conversion module to adjust the power of the charging signal to first charging power; or

Under the condition of receiving the second voltage signal, generating a second control signal according to the second power taking power, and controlling the driving module through the second control signal so that the driving module drives the power conversion module to adjust the power of the charging signal to be second charging power;

7. A charging arrangement as claimed in any of claims 2 to 6, further comprising:

the first filtering module is arranged between the rectifying module and the power conversion module and is used for filtering the input signal; and/or

And the second filtering module is arranged between the power conversion module and the port module and is used for filtering the charging signal.

8. A charge control method, characterized in that the method comprises:

acquiring a voltage value of an input signal;

generating a first voltage signal and a first request signal if the voltage value is greater than or equal to a voltage threshold;

generating a second voltage signal and a second request signal if the voltage value is less than the voltage threshold; controlling a charging device to increase power of a charging signal through the first voltage signal and the first request signal; or

And controlling the charging device to reduce the power of the charging signal through the second voltage signal and the second request signal.

9. The method of claim 8, further comprising:

sending the first request signal to electric equipment so that the electric equipment increases power taking power according to the first request signal; or

And sending the second request signal to the electric equipment so that the electric equipment reduces the power taking power according to the second request signal.

10. The method of claim 9, further comprising:

receiving a power taking signal sent by the electric equipment according to the request signal;

and determining the power taking power of the electric equipment according to the power taking signal.

11. The method of claim 10, wherein the controlling the charging device to adjust the power of the charging signal via the voltage signal and the request signal comprises:

adjusting the power of the charging signal to a first charging power if the voltage signal is the first voltage signal;

adjusting the power of the charging signal to a second charging power when the voltage signal is the second voltage signal;

12. A charge control device, characterized in that the device comprises:

an acquisition unit configured to acquire a voltage value of an input signal;

a generation unit configured to generate a first voltage signal and a first request signal when the voltage value is greater than or equal to a voltage threshold; generating a second voltage signal and a second request signal if the voltage value is less than the voltage threshold;

the adjusting unit is used for controlling the charging device to increase the power of the charging signal through the first voltage signal and the first request signal; or controlling the charging device to reduce the power of the charging signal through the second voltage signal and the second request signal.

13. A readable storage medium on which a program or instructions are stored, which program or instructions, when executed by a processor, carry out the steps of the method according to any one of claims 8 to 11.