CN211508661U - Portable power supply equipment - Google Patents
Portable power supply equipment Download PDFInfo
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- CN211508661U CN211508661U CN202020049652.5U CN202020049652U CN211508661U CN 211508661 U CN211508661 U CN 211508661U CN 202020049652 U CN202020049652 U CN 202020049652U CN 211508661 U CN211508661 U CN 211508661U
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Abstract
The utility model provides a portable power supply device, which comprises an AC/DC converter, a charging and discharging management module, a battery and an output module, wherein the AC/DC converter is electrically connected with a mains supply to receive electric energy; when the electric quantity of the battery is smaller than the charging threshold value, the control chip controls the charging and discharging management module to transmit electric energy to the battery until the electric quantity of the battery is larger than the charging threshold value; when the electric quantity of the battery is greater than the charging threshold value, the control chip closes the AC/DC converter and closes a power supply circuit of the control chip, which supplies power to an internal circuit of the portable power supply equipment; and the control chip reduces the voltage detection frequency and the current detection frequency of the AC/DC converter to the sleep frequency, and only detects the plugging state of the input interface and the output interface. After the technical scheme is adopted, a user only needs to carry one device, and all load devices can be supplied with electric energy.
Description
Technical Field
The utility model relates to a power distribution field especially relates to a portable power source equipment.
Background
With the rapid popularization of intelligent terminals, tablet computers and notebook computers, people have more and more dependence on the use of the equipment. When the device is used for a long time, the power of the device is exhausted, and the device cannot be used continuously. In consideration of the endurance bottleneck of the batteries of the devices, a user often carries the charger, the mobile power supply and the power adapter, the charger is connected with the mains supply to supply power to the devices through the power adapter, the charger is connected with the mains supply to supply power to the devices, the mobile power supply charges the devices, and the charger, the mobile power supply and the power adapter are respectively special, so that the size and the weight bring carrying trouble.
At present, a charging strategy used by the charger, the power adapter and the mobile power supply is to preferentially supply power to a load needing to be charged and then supply power to the built-in battery, the charger, the power adapter and the mobile power supply are in a time-sharing power supply state, the battery in the mobile power supply cannot bring a power multiplication effect, and if the charger is used, the maximum power which can be provided is the capacity of the charger. When the equipment is used, the internal control cannot be adjusted in real time according to the conditions of the plugged commercial power and the battery and the connection of the load, so that the battery loss and the waste of the electric energy of the commercial power are caused
Therefore, a new portable power supply device is needed, which can satisfy the charging requirement no matter whether the load is a mobile terminal, an intelligent terminal or a notebook computer, and once the battery is fully charged, the portable power supply device can enter the sleep mode, so that the electric energy is saved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical defect, the utility model aims to provide a portable power supply device, the user only needs to carry an equipment, all can provide the electric energy to all load devices.
The utility model discloses a portable power supply device, which comprises an AC/DC converter, a charging and discharging management module connected with the AC/DC converter, a battery and an output module, wherein the AC/DC converter is electrically connected with commercial power to receive electric energy,
the portable power supply equipment also comprises a control chip which is connected with the charge-discharge management module, the battery and the AC/DC converter,
the control chip monitors whether the electric quantity of the battery is smaller than a charging threshold value;
when the electric quantity of the battery is smaller than the charging threshold value, the control chip controls the charging and discharging management module to transmit electric energy from the AC/DC converter to the battery until the electric quantity of the battery is larger than the charging threshold value;
when the electric quantity of the battery is greater than the charging threshold value, the control chip closes the AC/DC converter and closes a power supply circuit of the control chip, which supplies power to an internal circuit of the portable power supply equipment;
and the control chip reduces the voltage detection frequency and the current detection frequency of the AC/DC converter to a sleep frequency, and the control chip only detects the plugging state of an input interface connected with the AC/DC converter and an output interface connected with an external load.
Preferably, when the output module is electrically connected with the load and the AC/DC converter is connected with the mains supply, the control chip obtains the desired voltage and the desired current from the load through the output module; the control chip is connected with the AC/DC converter, calculates a first current according to the rated power and the expected voltage of the AC/DC converter, activates the AC/DC converter based on the expected voltage and outputs the first current;
the control chip compares the first current with the expected current of the load, and when the first current is smaller than the expected current, the control chip controls the charge and discharge management module to receive a second current from the battery to complement the first current; when the first current is greater than the desired current, the AC/DC converter outputs a portion of the first current to the battery through the charge and discharge management module.
Preferably, when the AC/DC converter outputs part of the first current to the battery through the charge and discharge management module and the battery power is higher than a first threshold, the AC/DC converter stops outputting power to the charge and discharge management module;
the control chip receives the power condition of the battery and sends a control instruction to the AC/DC converter so as to reduce the first current to the expected current.
Preferably, when the first current is smaller than the expected current and the battery power is higher than a second threshold, the control chip controls the charge and discharge management module to receive a compensation current from the battery.
Preferably, the control chip monitors the desired voltage and/or the desired current of the load in real time to adjust the output voltage and/or the output current of the AC/DC converter.
Preferably, the portable power supply device further comprises a sensor module, wherein the sensor module is connected with any one or more of the AC/DC converter, the charge and discharge management module and the battery and respectively detects the temperatures of the AC/DC converter, the charge and discharge management module and the battery;
the sensor module is connected with the control chip and sends the temperatures of the AC/DC converter, the charge and discharge management module and the battery to the control chip;
a temperature threshold is arranged in the control chip, and when the temperature is higher than the temperature threshold, the control chip reduces the output current of the AC/DC converter and the charging and discharging management module.
Preferably, when the control chip controls the charge and discharge management module to receive the second current from the battery to complement the first current and the battery power is lower than a second threshold, the control chip handshakes with the load and sends a frequency reduction request to the load;
the load reduces the expected power to a required power less than the rated power according to the frequency reduction request;
the AC/DC converter outputs a portion of the first current to the battery through the charge and discharge management module to charge the battery.
Preferably, when the battery power is greater than a third threshold, the control chip handshakes the load and sends an up-conversion request to the load;
the load increases the required power to the desired power in accordance with the up-conversion request.
Preferably, when only the output module is electrically connected with the load, the control chip turns off the AC/DC converter, and the control chip obtains the expected voltage and/or the expected current from the load through the output module; and the control chip is connected with the battery through the charge-discharge management module so as to control the battery to output a second voltage and a second current to the output module.
Preferably, when only the output module is electrically connected with the load, the control chip is in handshake with the load to obtain the expected voltage and/or the expected current from the load;
the control chip calculates full-load power of the battery based on the second voltage and the second current of the battery and compares the full-load power of the battery with expected power;
when the full-load power of the battery is greater than the expected power, the control chip controls the battery to supply power to the load through the charge-discharge management module and the output module;
when the full-load power of the battery is smaller than the expected power, the control chip sends a power supply failure instruction and/or a frequency reduction request to the load.
After the technical scheme is adopted, compared with the prior art, the method has the following beneficial effects:
1. when only the load is connected or only the commercial power is connected, the control chip enters a dormant state according to the situation, so that the electric energy can be saved;
2. the intelligent current distribution technology can be adjusted in real time according to the charging requirement of the load;
3. the power supply device with the charger, the mobile power supply and the power adapter is integrated, and the space required by carrying the device when a user goes out is saved.
Drawings
Fig. 1 is a schematic block diagram of a portable power supply device according to a preferred embodiment of the present invention.
Detailed Description
The advantages of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the following description, suffixes such as "module", "part", or "unit" used to indicate elements are used only for the convenience of description of the present invention, and have no specific meaning in itself. Thus, "module" and "component" may be used in a mixture.
Fig. 1 is a schematic block diagram of a portable power supply device according to a preferred embodiment of the present invention. In this embodiment, the device includes an AC/DC converter, a charge/discharge management module, a battery, and an output module. The AC/DC converter is a converter which is connected to a mains supply, receives alternating current of the mains supply and converts the alternating current into direct current (such as output power of 30W, 20W, 50W and the like), the voltage is converted through a transformer after the MOS tube works to generate a variable waveform by adopting a PWM (pulse width modulation) principle, and then the voltage is rectified and output, and the AC/DC converter can be connected with an input interface of portable power equipment, such as a USB-type c interface, a USB-micro interface, a lighting interface and the like; the charge and discharge management module is connected with the AC/DC converter and the battery, and is used for charging the built-in battery and discharging the battery; the output module is electrically connected with the AC/DC converter and the charging and discharging management module and is used for controlling the output of electric energy and monitoring the output electric energy so as to monitor the magnitude of the output voltage and the magnitude of the output current, and the output module can be provided with a plurality of output interfaces. The portable power supply equipment also comprises a control chip, wherein the control chip is respectively connected with the charging and discharging management module, the AC/DC converter and the output module, the MCU is integrated inside and connected with the AC/DC converter so as to monitor the output voltage and the output current of the AC/DC converter, the charging and discharging management module is connected with the charging and discharging management module so as to monitor the output voltage and the output current of the charging and discharging management module after the charging and discharging management module controls the battery, and the control chip is connected with the output module so as to monitor the output voltage and the output current of the output module. Specifically, in this embodiment, the internally integrated MCU is utilized to handshake with an output protocol supported by the load, such as PD protocol, QC fast charge protocol, etc., and by handshaking with the load, the load receives a desired voltage and/or a desired current transmitted to the output module, where the desired voltage and the desired current are the voltage and the current at which the load is at the fastest charging speed. It can be understood that, in different charging phases (such as fast charging, continuous charging, and trickle charging phases) of the load, the fastest charging speed is different, and the voltage and the current are transmitted to the output module according to different requirements of the output module.
When the AC/DC converter is connected with the mains supply, the control chip monitors whether the electric quantity of the battery is smaller than a charging threshold (such as 90%, 80%, 85% and the like), and when the electric quantity of the battery is smaller than the charging threshold, the difference between the battery and a full-power state is represented, so that the control chip starts the AC/DC converter and controls the charging and discharging management module to transmit electric energy from the AC/DC converter to the battery until the electric quantity of the battery is larger than the charging threshold; when the electric quantity of the battery is greater than the charging threshold value, the control chip closes the AC/DC converter, no commercial power is consumed, the control chip is in a power-saving mode, and a power supply circuit for supplying power to internal circuits (such as an electric connection circuit with the charging and discharging management module and an electric connection circuit with the output module) of the portable power supply device is closed, so that the power consumption of all internal circuits is reduced, and the internal consumption of the battery in the portable power supply device is saved. Furthermore, the control chip will reduce the detection frequency of the voltage and current to a sleep frequency (for example, 100 times for the original 1 second detection and 1 time for the 1 second detection), and reduce its own operating frequency (the requirement for calculation power is reduced, the operating frequency of the CPU is reduced, and the calculation capability is reduced).
In a preferred embodiment, when the load is connected to the output module through the output interface of the portable power supply device, and the AC/DC converter is connected to the commercial power through the input interface (e.g., directly connected to the commercial power interface through an external charging wire), the control chip obtains a desired voltage and a desired current of the load through the output module, calculates a first current with an output voltage equal to the desired voltage and a rated power of the AC/DC converter, and outputs the first current to the outside, and after the required output voltage and output current are obtained, the control chip activates the AC/DC converter, receives the electric energy from the commercial power, converts the alternating current of the commercial power into the direct current, and outputs the first current (the output voltage is equal to the desired voltage). At this time, the control chip will simultaneously obtain the desired voltage and the desired current of the load, and the rated power and the first current that can be output by the AC/DC converter, so that the control chip will calculate the desired power required by the load based on the desired voltage and the desired current, and the first current that can be output by the AC/DC converter under the desired voltage and the rated power originally involved by the AC/DC converter, respectively. It will be appreciated that when the first current is less than the desired current, the AC/DC converter will not be able to meet the charging requirements of the load, and when the first current is greater than the desired current, the output of the AC/DC converter will exceed the charging requirements of the load. In this case, the control chip compares the two signals and outputs different execution instructions for different comparison results. For example, when the first current is smaller than the expected current, the control chip activates a discharging function in the charging and discharging management module, that is, the charging and discharging management module receives electric energy from the battery and outputs a second current to the output module based on the electric energy of the battery, so as to compensate for a part of the first current that is smaller than the expected current, so that the portable power supply device outputs to the load an expected voltage and an expected power required by the load, which are exactly required by the load, and the use requirements of a user on the connected load, such as an intelligent terminal, a tablet computer and a notebook computer, are met; for another example, when the first current is greater than the expected current, it indicates that a redundant portion will appear in the output current provided by the AC/DC converter, and if the first current is used to continuously supply power, the excess portion will be wasted as excess power, so the control chip will activate the charging function of the charging and discharging management module, and control the AC/DC converter to output the excess portion of the first current to the charging and discharging management module and charge the battery. That is, when the desired current required by the load is too high, the battery will complement the part to meet the charging requirement of the load; when the expected current required by the load is too low, the excess part of the first current is output to the charging and discharging management module to charge the battery, and the portable power supply device is endowed with the functions of the power adapter and the mobile power supply by using the commercial power and the battery in each case.
It is understood that the rated power of the AC/DC converter is configured when the AC/DC converter components are shipped, for example, the rated power is 24W, 30W, 55W, etc., and at the rated power, the output voltage and the output current of the AC/DC converter are inversely proportional, that is, the rated power of the AC/DC converter is not changed no matter how the output voltage or the output current is changed.
In a further preferred embodiment, when the rated power is greater than the desired power, and the AC/DC converter outputs a portion of the first current to the battery through the charge and discharge management module, the battery will continue to receive an excess portion of the first current until the battery is fully charged or nearly fully charged, in which case it will be appreciated that the battery will no longer need to receive more power. Therefore, a first threshold is preset in the control chip, the first threshold is a preset electric quantity threshold for the electric quantity of the battery, such as 90%, 95%, 100% of the total quantity of the battery, based on the connection of the control chip and the charge and discharge management module, the control chip will receive the electric quantity of the battery in real time, when the monitored electric quantity of the battery is higher than the first threshold, the control chip will control the charge and discharge management module to stop receiving the electric energy from the AC/DC converter, or directly control the AC/DC converter to stop outputting the redundant part of the first current to the charge and discharge management module. It can be understood that the first current is still higher than the desired current at this time, and therefore, the control chip will continue to send a control instruction to the AC/DC converter, so as to reduce the conversion power of the AC/DC converter to the alternating current of the utility power, and the reduction is such that the first current is equal to or slightly larger than the desired current, that is, the first current of the AC/DC converter is all transmitted to the load through the output module.
Optionally, a second threshold, for example, 5%, 10%, 15%, or the like, based on execution of the battery power control logic is preset in the control chip, and the control chip monitors the battery, and when the first current is smaller than the expected current and the power of the battery is higher than the second threshold, the control chip sends a control instruction to the charge and discharge management module to control the charge management module to receive the power from the battery as the compensation output power, and increase the power to the expected power after compensating the rated power. The second threshold, i.e., the charging ring voltage of the battery, may be set lower in view of the extension of the service life of the battery, reducing the number of charge and discharge cycles of the battery.
In the above embodiments, due to the variability of the power consumption of the load itself, the control chip monitors the desired voltage and the desired current of the load in real time, so as to adjust the output voltage and/or the output current of the AC/DC converter. Specifically. After the portable power supply device is in handshake with the load, the expected voltage of the load is obtained, so that the output voltage of the AC/DC converter is adjusted by the control chip to be equal to the expected voltage of the load, and then the real-time output current of the AC/DC converter is adjusted according to the monitoring and the implementation fluctuation of the expected current of the load. In the above case, it is understood that the AC/DC converter may not be able to adjust the output current to a desired current due to its own performance limit. When the output current cannot be adjusted to the desired current, a situation that the rated power is lower than the desired power is formed and is complemented by the battery, and when the rated output current of the AC/DC converter is larger than the desired current, a situation that the second output power is higher than the desired power is formed, the battery is charged, and therefore the battery is kept at the full power or the almost full power at all times.
Further preferably or optionally, the portable power supply device further comprises a sensor module, wherein the sensor module comprises a temperature sensor, and the temperature sensor is respectively connected with one or more of the AC/DC converter, the charge/discharge management module and the battery to detect the temperature of the module or the element, and send the detected result to the control chip. A temperature threshold value is preset in the control chip, and when the detected temperature result is greater than the temperature threshold value, the current state is indicated that the AC/DC converter outputs electric energy, or the charging and discharging management module is influenced by temperature, or the battery is charged and discharged, approaches the load capacity, or exceeds the load capacity, in order to protect the device, the control chip reduces the output power of the AC/DC converter and the charging and discharging management module.
In another preferred embodiment, when the control chip controls the charge/discharge management module to receive the second current from the battery to replenish the first current and the battery level is lower than a second threshold, as described above, it indicates that the first current that can be output by the AC/DC converter cannot meet the desired current, and when the battery level is lower than the second threshold, the battery will compensate the first current, which will cause the battery level to be exhausted, and after the control chip detects this, it will handshake with the load and send a down-conversion request to the load, where the down-conversion request is a request for the load to reduce the input capability, and informs the load that the load cannot meet the desired power by itself, and wants to reduce the desired power at the load. It is understood that the demanded power may be equal to the rated power, or less than the rated power, so that the rated power of the AC/DC converter is greater than or equal to the demanded power. When the load adjusts the desired power of the load to the required power, the first current is larger than the desired current, the extra part is output to the battery through the charging and discharging management module by the AC/DC converter, and the battery is charged until the extra part is larger than a second threshold value or is fully charged. That is, the portable power device and the load will enter a safe cycle charging process, and when the first current is less than the expected current, but the charge of the battery is greater than the second threshold, the battery provides the compensation current; when the first current is less than the expected current and the electric quantity of the battery is less than the second threshold value, the load reduces the expected power, so that the first current is greater than the expected current, and the battery is charged while the load is charged. In this embodiment, if the load does not accept the down-conversion input, the portable power supply device stops outputting current to the load after receiving the rejection of the down-conversion of the load, and informs that the output power of the load is not enough to support the power consumption requirement of the load.
When the battery capacity is greater than the second threshold value or a third threshold value (e.g., 50%, 60%, 70%), optionally, the control chip again handshakes with the load, sends an up-conversion request to the load, where the up-conversion request is a request for the load to increase the input capacity, informs the load to increase the desired power to a value greater than the rated power again, and provides the compensation current again from the battery, so as to increase the power supply or charging efficiency to the load as much as possible while ensuring the battery capacity and the normal operation of the AC/DC converter. If the portable power supply stops outputting current to the load at the moment, the portable power supply issues an instruction to the load to inform the load that the load has the capacity to provide expected electric energy, and power supply is recovered after the load sends out the power consumption request again; and when the portable power supply outputs current to the load, the load is informed of adjusting the output of higher power, and the load outputs larger output power to the load after sending a request.
Through the configuration, the control chip calculates the rated power of the AC/DC converter at any moment, the AC/DC converter is output to a full power state preferentially, and the part which is lower than the expected current is supplemented by the battery; and meanwhile, the electric quantity of the battery is calculated at any moment, and once the AC/DC converter has surplus output capacity, the battery is fully charged, and the internal battery is kept in a full-charge state at any moment.
In another embodiment, only when the output module is electrically connected to the load, the control chip performs protocol handshaking with the load to obtain the desired voltage and/or the desired current from the load. And on the battery side, the control chip records a second voltage and a second current according to the record of the charge and discharge management module or the maximum output voltage and the maximum output current acquired from the battery, calculates the full-load power of the battery provided by the battery according to the second voltage and the second current, compares the full-load power of the battery with the expected power required by the load, and performs different control on the battery under different comparison results. Specifically, when the full-load power of the battery is greater than the expected power, the battery can provide more output high power than the expected power, so that the control chip sends an instruction to the charge and discharge management module to adjust the output voltage or the output current of the battery so as to output the battery power which is the same as the expected power at the second voltage or the second current, namely, the power is supplied according to the requirement of the load; when the full load power of the battery is smaller than the expected power, which indicates that the battery cannot meet the expected power of the load, the control chip feeds a power failure instruction back to the load or gives a frequency reduction request to the load. After receiving the power supply failure instruction, the load knows the power supply capacity of the portable power supply device, reduces the required expected power of the load according to the frequency reduction request until the required expected power is the same as the full-load power of the battery, and sends the expected power after frequency reduction to the control chip again, so that the battery can supply power to the load.
It should be noted that the embodiments of the present invention have better practicability and are not intended to limit the present invention in any way, and any person skilled in the art may change or modify the technical contents disclosed above to equivalent effective embodiments, but all the modifications or equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.
Claims (10)
1. A portable power supply device comprises an AC/DC converter, a charge and discharge management module connected with the AC/DC converter, a battery and an output module, wherein the AC/DC converter is electrically connected with commercial power to receive electric energy,
the portable power supply equipment also comprises a control chip which is connected with the charge and discharge management module, the battery and the AC/DC converter,
the control chip monitors whether the electric quantity of the battery is smaller than a charging threshold value;
when the electric quantity of the battery is smaller than a charging threshold value, the control chip controls the charging and discharging management module to transmit electric energy from the AC/DC converter to the battery until the electric quantity of the battery is larger than the charging threshold value;
when the electric quantity of the battery is larger than a charging threshold value, the control chip closes the AC/DC converter and closes a power supply circuit of the control chip, which supplies power to an internal circuit of the portable power supply equipment;
and the control chip reduces the voltage detection frequency and the current detection frequency of the AC/DC converter to a sleep frequency, and only detects the plugging state of an input interface connected with the AC/DC converter and an output interface connected with an external load.
2. The portable power supply apparatus of claim 1,
when the output module is electrically connected with a load and the AC/DC converter is connected with a mains supply, the control chip obtains expected voltage and expected current from the load through the output module; the control chip is connected with the AC/DC converter, calculates a first current according to the rated power and the expected voltage of the AC/DC converter, activates the AC/DC converter based on the expected voltage and outputs the first current;
the control chip compares the first current with the expected current of the load, and when the first current is smaller than the expected current, the control chip controls the charge and discharge management module to receive a second current from the battery to complement the first current; when the first current is greater than the desired current, the AC/DC converter outputs a portion of the first current to the battery through the charge and discharge management module.
3. The portable power supply apparatus of claim 2,
when the AC/DC converter outputs part of the first current to the battery through the charging and discharging management module and the battery power is higher than a first threshold value, the AC/DC converter stops outputting power to the charging and discharging management module;
and the control chip receives the electric quantity condition of the battery and sends a control instruction to the AC/DC converter so as to reduce the first current to the expected current.
4. The portable power supply apparatus of claim 2,
when the first current is smaller than the expected current and the battery power is higher than a second threshold value, the control chip controls the charge and discharge management module to receive a compensation current from the battery.
5. The portable power supply apparatus of claim 1,
the control chip monitors the expected voltage and/or the expected current of the load in real time to adjust the output voltage and/or the output current of the AC/DC converter.
6. The portable power supply apparatus of claim 1,
the portable power supply equipment also comprises a sensor module, wherein the sensor module is connected with any one or more of the AC/DC converter, the charging and discharging management module and the battery and is used for respectively detecting the temperatures of the AC/DC converter, the charging and discharging management module and the battery;
the sensor module is connected with the control chip and sends the temperatures of the AC/DC converter, the charge and discharge management module and the battery to the control chip;
and a temperature threshold is arranged in the control chip, and when the temperature is higher than the temperature threshold, the control chip reduces the output current of the AC/DC converter and the charge and discharge management module.
7. The portable power supply apparatus of claim 2,
when the control chip controls the charge and discharge management module to receive a second current from the battery to complement the first current and the electric quantity of the battery is lower than a second threshold value, the control chip handshakes the load and sends a frequency reduction request to the load;
the load reduces the expected power to a required power smaller than the rated power according to the frequency reduction request;
the AC/DC converter outputs a portion of the first current to the battery through the charge and discharge management module to charge the battery.
8. The portable power supply apparatus of claim 7,
when the electric quantity of the battery is larger than a third threshold value, the control chip handshakes with the load and sends an ascending frequency request to the load;
the load increases the required power to the desired power in accordance with the up-conversion request.
9. The portable power supply apparatus of claim 7,
when only the output module is electrically connected with a load, the control chip turns off the AC/DC converter, and the control chip obtains expected voltage and/or expected current from the load through the output module; and the control chip is connected with the battery through the charge-discharge management module so as to control the battery to output a second voltage and a second current to the output module.
10. The portable power supply apparatus of claim 9,
when only the output module is electrically connected with a load, the control chip is in handshake with the load to obtain a desired voltage and/or a desired current from the load;
the control chip calculates battery full load power based on a second voltage and a second current of the battery and compares the battery full load power with the expected power;
when the full-load power of the battery is larger than the expected power, the control chip controls the battery to supply power to the load through the charge-discharge management module and the output module;
when the full-load power of the battery is smaller than the expected power, the control chip sends a power supply failure instruction and/or a frequency reduction request to the load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020049652.5U CN211508661U (en) | 2020-01-10 | 2020-01-10 | Portable power supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020049652.5U CN211508661U (en) | 2020-01-10 | 2020-01-10 | Portable power supply equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112928798A (en) * | 2021-02-04 | 2021-06-08 | 深圳市正浩创新科技有限公司 | Electric quantity control method and device of energy storage equipment and energy storage equipment |
| CN114252775A (en) * | 2020-09-23 | 2022-03-29 | 深圳英集芯科技股份有限公司 | Current detection chip, battery and electronic equipment |
| CN114285145A (en) * | 2021-11-19 | 2022-04-05 | 国网浙江省电力有限公司江山市供电公司 | Standby power supply system of special equipment |
-
2020
- 2020-01-10 CN CN202020049652.5U patent/CN211508661U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252775A (en) * | 2020-09-23 | 2022-03-29 | 深圳英集芯科技股份有限公司 | Current detection chip, battery and electronic equipment |
| CN114252775B (en) * | 2020-09-23 | 2023-12-05 | 深圳英集芯科技股份有限公司 | Current detection chip, battery and electronic equipment |
| CN112928798A (en) * | 2021-02-04 | 2021-06-08 | 深圳市正浩创新科技有限公司 | Electric quantity control method and device of energy storage equipment and energy storage equipment |
| CN112928798B (en) * | 2021-02-04 | 2022-02-01 | 深圳市正浩创新科技股份有限公司 | Electric quantity control method and device of energy storage equipment and energy storage equipment |
| CN114285145A (en) * | 2021-11-19 | 2022-04-05 | 国网浙江省电力有限公司江山市供电公司 | Standby power supply system of special equipment |
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