CN215071764U - Charging device capable of automatically adjusting charging power - Google Patents
Charging device capable of automatically adjusting charging power Download PDFInfo
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- CN215071764U CN215071764U CN202023304047.7U CN202023304047U CN215071764U CN 215071764 U CN215071764 U CN 215071764U CN 202023304047 U CN202023304047 U CN 202023304047U CN 215071764 U CN215071764 U CN 215071764U
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Abstract
The utility model provides an automatic adjust charging device of charging power, include: the input circuit is connected to an alternating current power supply and converts an alternating current power supply signal of the alternating current power supply into a first direct current power supply signal; the voltage regulating circuit is connected with the input circuit and is used for regulating the voltage of the first direct-current power supply signal and outputting a second direct-current power supply signal; the output circuit is connected with the voltage regulating circuit and is used for converting the second direct-current power supply signal into a charging signal; the environment detection circuit is used for detecting the environment parameters of the charging device; and the control circuit is connected with the environment detection circuit and the voltage regulation circuit and is used for controlling a second direct current power supply signal of the voltage regulation circuit according to the environment parameter so as to regulate the charging power of the charging signal. According to the utility model discloses an automatically regulated charging device of charging power can monitor the environment that charging device located through environment detection device, adjusts charging device's charging power according to the change of environment, promotes user experience.
Description
Technical Field
The application relates to the technical field of charging, in particular to a charging device capable of automatically adjusting charging power.
Background
When a traditional charger generally charges a product, the given charging power is charged according to the maximum power required by a charged device, although the fastest charging speed can be ensured. However, the user is not urgent to demand the electric energy at some time, such as sleeping time, and is concerned about the safety problem caused by quick charging. Most chargers are provided with LED indicating lamps for indicating the charging state of products, but the constantly-lighted indicating lamps often interfere with the rest of users at night; in addition, noise generated when a built-in fan of some chargers operates for heat dissipation also seriously affects sleep and rest of users.
Therefore, the charging power of the charging device in the prior art is fixed, and the charging power cannot be automatically adjusted according to the environment, so that the user experience is not good.
SUMMERY OF THE UTILITY MODEL
The present invention has been made in view of the above problems. According to the utility model provides an automatic adjust charging device of power of charging to it is fixed to solve charging device's power of charging, can't lead to the not good problem of user experience according to environment automatically regulated power of charging.
According to the utility model discloses the embodiment provides an automatic charging device of adjusting charging power, include:
the input circuit is connected to an alternating current power supply and converts an alternating current power supply signal of the alternating current power supply into a first direct current power supply signal;
the voltage regulating circuit is connected with the input circuit and is used for regulating the voltage of the first direct-current power supply signal and outputting a second direct-current power supply signal;
the output circuit is connected with the voltage regulating circuit and is used for converting the second direct current power supply signal into a charging signal;
the environment detection circuit is used for detecting the environment parameters of the charging device;
and the control circuit is connected with the environment detection circuit and the voltage regulation circuit and is used for controlling the second direct current power supply signal of the voltage regulation circuit according to the environment parameter so as to regulate the charging power of the charging signal.
Optionally, the environmental parameter includes at least one of illumination intensity and sound intensity.
Optionally, controlling the second dc power signal of the voltage regulating circuit according to the environmental parameter includes:
when the environmental parameter is in a first range and lasts for a first time, controlling the second direct current power supply signal to be a first direct current signal;
when the environmental parameter is in a second range and lasts for a second time, controlling the second direct current power supply signal to be a second direct current signal;
wherein the voltage of the second DC signal is less than the voltage of the first DC signal.
Optionally, the charging device further comprises: and the indicating circuit is connected with the control circuit and is used for indicating the working state of the charging device.
Optionally, the control circuit controls the indication circuit to be turned on when the environmental parameter is in a first range and lasts for a first time; when the environmental parameter is in a second range and lasts for a second time, the control circuit controls the indicating circuit to be closed.
Optionally, the charging device further comprises: and the heat dissipation circuit is connected with the control circuit and used for dissipating heat of the charging device.
Optionally, when the environmental parameter is in a first range and lasts for a first time, the control circuit controls the heat dissipation circuit to be opened; when the environmental parameter is in a second range and lasts for a second time, the control circuit controls the heat dissipation circuit to be closed.
Optionally, the charging device further comprises: and the communication circuit is connected with the control circuit and is used for receiving an external control signal.
Optionally, the control circuit controls at least one of the voltage regulating circuit, the indicating circuit or the heat dissipating circuit according to the control signal.
Optionally, the charging device comprises a wired charging device or a wireless charging device.
According to the utility model provides an automatically regulated charging device of charging power monitors the environment that charging device located through environment detection device, adjusts charging device's charging power according to the change of environment, promotes user experience.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail embodiments of the present invention with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the invention and not to limit the invention. In the drawings, like reference numbers generally represent like parts or steps.
Fig. 1 is a schematic block diagram of a charging device for implementing an automatic adjustment of charging power according to an embodiment of the present invention;
fig. 2 is an example of a charging device for realizing automatic adjustment of charging power according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, exemplary embodiments according to the present invention will be described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the present invention and are not intended to limit the invention to the particular embodiments described herein. Based on the embodiments of the present invention described in the present application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.
According to the utility model discloses the embodiment provides an automatic charging device of adjusting charging power. Referring to fig. 1, fig. 1 is a schematic block diagram of a charging device for automatically adjusting charging power according to an embodiment of the present invention. As shown in fig. 1, the charging device 100 includes:
the input circuit 110 is connected to an ac power supply, and converts an ac power supply signal of the ac power supply into a first dc power supply signal;
the voltage regulating circuit 120 is connected with the input circuit and is used for regulating the voltage of the first direct-current power supply signal and outputting a second direct-current power supply signal;
the output circuit 130 is connected with the voltage regulating circuit and is used for converting the second direct current power supply signal into a charging signal;
an environment detection circuit 140 for detecting an environmental parameter of the charging device;
and the control circuit 150 is connected with the environment detection circuit and the voltage regulating circuit and is used for controlling the second direct current power supply signal of the voltage regulating circuit according to the environment parameter so as to regulate the charging power of the charging signal.
Wherein, the environment that charging device is located is different, and the environmental parameter that environmental detection circuit detected is just different like illumination intensity etc. promptly, can judge the surrounding environment through environmental parameter, and then realizes charging device's automatically regulated according to the environment of difference and promote user experience.
Optionally, the environmental parameter includes at least one of illumination intensity and sound intensity.
In one embodiment, the environmental parameter is illumination intensity. The environment detection circuit detects the illumination intensity around the charging device, if the illumination intensity is in a first range, such as greater than or equal to a certain threshold value, the charging device is in a bright environment, and the user is in a non-sleep state; if the light intensity is in a second range, for example, less than a certain threshold, it indicates that the charging device is in a non-bright environment and the user is in a sleep state.
In one embodiment, the environment detection circuit comprises a photodiode or a phototransistor.
The photodiode is also called a photodiode, and a tube core of the photodiode is a PN junction with photosensitive characteristics and has unidirectional conductivity, so that reverse voltage is applied during operation. When there is no illumination, the photodiode has a small saturation reverse leakage current, i.e., dark current, and is turned off. When the light is irradiated, the saturated reverse leakage current is greatly increased to form a photocurrent which changes with the change of the incident light intensity, and the current in the photosensitive diode can be changed according to the intensity of the light intensity.
In one embodiment, the environmental parameter is sound intensity. The environment detection circuit detects the sound intensity around the charging device, if the sound intensity is in a first range, such as greater than or equal to a certain threshold value, the charging device is in a non-quiet environment, and the user is in a non-sleep state; if the sound intensity is in a second range, such as less than a certain threshold, it indicates that the charging device is in a quiet environment and the user is in a sleep state.
It is understood that the environmental parameter may be one parameter or a combination of multiple parameters, and the number of the environmental parameters is not limited herein.
Optionally, controlling the second dc power signal of the voltage regulating circuit according to the environmental parameter includes:
when the environmental parameter is in a first range and lasts for a first time, controlling the second direct current power supply signal to be a first direct current signal;
when the environmental parameter is in a second range and lasts for a second time, controlling the second direct current power supply signal to be a second direct current signal;
wherein the voltage of the second DC signal is less than the voltage of the first DC signal.
In one embodiment, the environment parameter is illumination intensity, the environment detection circuit is a photodiode, the photodiode detects the illumination intensity around the charging device and converts the illumination intensity into a corresponding detection voltage signal and/or detection current signal, when the illumination intensity is in a first range and lasts for a first time, the corresponding detection voltage signal and/or detection current signal is also in the first signal range, and at this time, after the detection voltage signal and/or detection current signal is continuously in the first signal range for the first time, it can be determined that the charging device is in a bright environment, a user is in a non-sleep state, at this time, charging can be performed according to rated charging power to ensure charging speed, and the control device controls the voltage regulation circuit to output the second dc power supply signal as a first dc signal; when the illumination intensity is in the second range and lasts for the second time, the corresponding detection voltage signal and/or detection current signal are also in the second signal range, at the moment, after the detection voltage signal and/or the detection current signal are continuously in the second signal range for the second time, it can be determined that the charging device is in a non-bright environment, and a user is in a sleep state. Thus, in view of safety expectations, lower charging power also results in a correspondingly lower temperature, and a safer user psychological experience. The charging device realizes the automatic adjustment of the charging efficiency of the charging device according to the environment, so that different use requirements of users in different environments are met, and the user experience is further improved.
It is to be understood that the first range and the second range are different ranges, and the first time and the second time may be the same or different, and may be set as needed, and are not limited herein.
It should be noted that the above-mentioned controlling the second dc power signal of the voltage regulating circuit according to the environmental parameter is only an example, and the controlling the second dc power signal of the voltage regulating circuit according to the environmental parameter may also be dividing the environmental parameter into more ranges and corresponding dc signals.
In one embodiment, the voltage regulation circuit includes a BUCK circuit.
Optionally, the charging device further comprises: and the indicating circuit is connected with the control circuit and is used for indicating the working state of the charging device.
Optionally, the control circuit controls the indication circuit to be turned on when the environmental parameter is in a first range and lasts for a first time; when the environmental parameter is in a second range and lasts for a second time, the control circuit controls the indicating circuit to be closed.
In one embodiment, the indicator circuit includes an LED indicator light.
Since the LED indicator light indicates the charging state of the product, but the constantly-on indicator light often interferes with the rest of the user at night, whether the charging device is in a bright environment or a quiet environment can be judged according to the environmental parameters, and the LED indicator light is turned on or off.
In one embodiment, the environment parameter is illumination intensity, the environment detection circuit is a photodiode, when the illumination intensity is in a first range and lasts for a first time, and a corresponding detection voltage signal and/or detection current signal lasts in the first signal range for the first time, it can be determined that the charging device is in a bright environment, and a user is in a non-sleep state, at which time, the indication circuit can be controlled to be turned on; when the illumination intensity is in the second range and lasts for the second time, the detection voltage signal and/or the detection current signal continuously stays in the second signal range for the second time, it can be determined that the charging device is in a non-bright environment, and the user is in a sleep state.
Optionally, the charging device further comprises: and the heat dissipation circuit is connected with the control circuit and used for dissipating heat of the charging device.
Optionally, when the environmental parameter is in a first range and lasts for a first time, the control circuit controls the heat dissipation circuit to be opened; when the environmental parameter is in a second range and lasts for a second time, the control circuit controls the heat dissipation circuit to be closed.
In one embodiment, the heat dissipation circuit includes a fan.
Similar to the LED indicator, the noise generated when the built-in fan of the charging device for dissipating heat runs also seriously affects the sleep and rest of the user, so that it can be determined whether the charging device is in a bright environment or a quiet environment according to the environmental parameters, and the fan is turned on or off.
In one embodiment, the environment parameter is illumination intensity, the environment detection circuit is a photodiode, when the illumination intensity is in a first range and lasts for a first time, and a corresponding detection voltage signal and/or detection current signal lasts in the first signal range for the first time, it can be determined that the charging device is in a bright environment, and a user is in a non-sleep state, and at this time, the heat dissipation circuit can be controlled to be turned on; when the illumination intensity is in the second range and lasts for the second time, the detection voltage signal and/or the detection current signal continuously stays in the second signal range for the second time, it can be determined that the charging device is in a non-bright environment, and the user is in a sleep state.
Optionally, the charging device further comprises: and the communication circuit is connected with the control circuit and is used for receiving an external control signal.
The communication mode of the communication circuit may be wired communication or wireless communication, such as bluetooth and wifi. And the external control signal can be sent by a user through a physical key, voice and the like.
Optionally, the control circuit controls at least one of the voltage regulating circuit, the indicating circuit or the heat dissipating circuit according to the control signal.
Optionally, the charging device comprises a wired charging device or a wireless charging device.
In one embodiment, referring to fig. 2, fig. 2 shows an example of a charging device that automatically adjusts charging power according to an embodiment of the present invention. Referring to fig. 2, taking the charging apparatus as a wireless charging apparatus as an example for explanation, the charging apparatus 200 includes:
the input circuit 210 is connected to an ac power supply, and converts an ac power supply signal of the ac power supply into a first dc power supply signal; the input circuit 210 is an input port connected to an ac power supply (not shown);
the voltage regulating circuit 220 is connected to the input circuit 210, and is configured to regulate a voltage of the first dc power supply signal and output a second dc power supply signal; wherein, the voltage regulating circuit 220 is a BUCK voltage regulating circuit;
the output circuit 230 is connected to the voltage regulating circuit 220, and is configured to convert the second dc power signal into a charging signal; wherein the output circuit 230 comprises a full bridge resonant circuit;
an environment detection circuit 240 for detecting an environmental parameter of the charging device; the environment detection circuit 240 is a light intensity detection circuit, and is configured to detect an illumination intensity around the charging device;
a control circuit 250, connected to the environment detection circuit 230 and the voltage regulation circuit 220, for controlling the second dc power signal of the voltage regulation circuit 220 according to the environment parameter, so as to regulate the charging power of the charging signal; wherein, the control circuit 250 is an MCU (Microcontroller Unit);
an indication circuit 260, connected to the control circuit 250, for indicating the operating status of the charging device; wherein, the indicating circuit 260 is an LED indicating circuit;
a heat dissipation circuit 270 connected to the control circuit 250, for dissipating heat from the charging device; the heat dissipation circuit 270 is a fan circuit;
a communication circuit 280 connected to the control circuit 250 for receiving an external control signal;
a DC power supply circuit 290 for supplying an internal power source to the charging device;
based on the structure, the photosensitive diode detects the illumination intensity around the charging device and converts the illumination intensity into a corresponding detection voltage signal and/or detection current signal, when the illumination intensity is in a first range and lasts for a first time, the corresponding detection voltage signal and/or detection current signal is also in the first signal range, at the moment, after the detection voltage signal and/or detection current signal is continuously in the first signal range for the first time, the charging device can be determined to be in a bright environment, a user is in a non-sleep state, at the moment, charging can be carried out according to rated charging power to guarantee the charging speed, the control device controls the voltage regulating circuit to output the second direct current power supply signal as a first direct current signal, and meanwhile, the LED indicating circuit and/or the fan circuit can be turned on;
when the illumination intensity is in a second range and lasts for a second time, the corresponding detection voltage signal and/or detection current signal is also in the second signal range, and at the moment, after the detection voltage signal and/or the detection current signal is continuously in the second signal range for the second time, the charging device can be determined to be in a non-bright environment, and a user is in a sleep state; meanwhile, the LED indicating circuit and/or the fan circuit can be turned off, so that a user is prevented from being interfered by light and/or noise;
when the communication circuit receives an external control signal, at least one of the charging power, the LED indicating circuit and the fan circuit can be directly controlled according to the control signal.
Further, the charging device 200 further includes:
a foreign matter detection circuit connected to the control circuit 250, configured to detect whether a foreign matter exists at an interface of the charging device, and send a foreign matter detection signal to the control device when the foreign matter exists, and the control device may send a foreign matter alarm signal to an alarm circuit (not shown) to alarm to prompt a user to perform processing;
an over-temperature protection circuit, connected to the control circuit 250, configured to detect whether the temperature of the charging device is in a normal range, and send an over-temperature signal to the control circuit when the temperature of the charging device is detected to be in an abnormal range, where the control circuit may perform over-temperature protection (such as disconnecting the circuit connection) and/or send an over-temperature alarm signal to an alarm circuit (not shown) to alarm to prompt a user;
an input voltage detection circuit, connected to the control circuit 250, for detecting whether a first dc power signal of the input circuit is in a normal range, and sending an overvoltage signal to the control circuit when detecting that the first dc power signal is in an abnormal range, where the control circuit may perform overvoltage protection (such as disconnecting the circuit connection) and/or send an input voltage overvoltage/undervoltage alarm signal to an alarm circuit (not shown) for alarming to prompt a user;
an output circuit voltage detection circuit, connected to the control circuit 250, for detecting whether the output voltage of the output circuit is in a normal range, and sending an over/under voltage signal to the control circuit when detecting that the output voltage of the output circuit is in an abnormal range, where the control circuit can perform overvoltage protection (such as disconnecting the circuit connection) and/or send an output voltage over/under voltage alarm signal to an alarm circuit (not shown) for alarming to prompt a user;
an output circuit current detection circuit, connected to the control circuit 250, for detecting whether the output current of the output circuit is in a normal range, and when detecting that the output current of the output circuit is in an abnormal range, sending an over/under current signal to the control circuit, where the control circuit can perform overvoltage protection (such as disconnecting the circuit connection) and/or send an output voltage over/under current alarm signal to an alarm circuit (not shown) for alarming to prompt a user;
the output circuit control circuit is connected with the control circuit 250 and used for controlling the on/off of the switch of the output circuit 230;
an output circuit communication decoding circuit; is connected with the control circuit 250 and is used for realizing the communication between the control circuit 250 and the output circuit 230.
According to the utility model discloses automatically regulated charging device of charging power monitors the environment that charging device located through environment detection device, adjusts charging device's charging power according to the change of environment, promotes user experience.
Although the example embodiments have been described herein with reference to the accompanying drawings, it is to be understood that the above-described example embodiments are merely illustrative and are not intended to limit the scope of the present invention thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention. All such changes and modifications are intended to be included within the scope of the present invention as claimed in the appended claims.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the method of the present invention should not be interpreted as reflecting an intention that: rather, the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
It will be understood by those skilled in the art that all of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where such features are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
The above description is only for the specific embodiments of the present invention or the description of the specific embodiments, the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A charging device for automatically adjusting charging power, comprising:
the input circuit is connected to an alternating current power supply and converts an alternating current power supply signal of the alternating current power supply into a first direct current power supply signal;
the voltage regulating circuit is connected with the input circuit and is used for regulating the voltage of the first direct-current power supply signal and outputting a second direct-current power supply signal;
the output circuit is connected with the voltage regulating circuit and is used for converting the second direct current power supply signal into a charging signal;
the environment detection circuit is used for detecting the environment parameters of the charging device;
and the control circuit is connected with the environment detection circuit and the voltage regulation circuit and is used for controlling the second direct current power supply signal of the voltage regulation circuit according to the environment parameter so as to regulate the charging power of the charging signal.
2. The charging device for automatically adjusting charging power as claimed in claim 1, wherein the environment parameter includes at least one of light intensity and sound intensity.
3. The charging device for automatically adjusting charging power according to claim 1, wherein controlling the second dc power signal of the voltage regulator circuit according to the environmental parameter comprises:
when the environmental parameter is in a first range and lasts for a first time, controlling the second direct current power supply signal to be a first direct current signal;
when the environmental parameter is in a second range and lasts for a second time, controlling the second direct current power supply signal to be a second direct current signal;
wherein the voltage of the second DC signal is less than the voltage of the first DC signal.
4. The charging device for automatically adjusting charging power according to claim 1, further comprising: and the indicating circuit is connected with the control circuit and is used for indicating the working state of the charging device.
5. The charging device for automatically adjusting charging power according to claim 4, wherein the control circuit controls the indication circuit to be turned on when the environmental parameter is in a first range and lasts for a first time; when the environmental parameter is in a second range and lasts for a second time, the control circuit controls the indicating circuit to be closed.
6. The charging device for automatically adjusting charging power according to claim 4, wherein the charging device further comprises: and the heat dissipation circuit is connected with the control circuit and used for dissipating heat of the charging device.
7. The charging device for automatically adjusting charging power according to claim 6, wherein the control circuit controls the heat dissipation circuit to be turned on when the environmental parameter is in a first range and lasts for a first time; when the environmental parameter is in a second range and lasts for a second time, the control circuit controls the heat dissipation circuit to be closed.
8. The charging device for automatically adjusting charging power according to claim 6, further comprising: and the communication circuit is connected with the control circuit and is used for receiving an external control signal.
9. The charging device for automatically adjusting charging power according to claim 8, wherein the control circuit controls at least one of the voltage adjusting circuit, the indicating circuit or the heat dissipating circuit according to the control signal.
10. The charging device for automatically adjusting charging power as claimed in claim 8, wherein the charging device comprises a wired charging device or a wireless charging device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023304047.7U CN215071764U (en) | 2020-12-31 | 2020-12-31 | Charging device capable of automatically adjusting charging power |
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| CN202023304047.7U CN215071764U (en) | 2020-12-31 | 2020-12-31 | Charging device capable of automatically adjusting charging power |
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