KR20190067681A - Method for supplying power and apparatus for supplying power - Google Patents

Abstract

The present invention is to provide a power supply method and a power supply device. The power supply device connected to load facility includes a solar panel, a BMS processor, a first battery, a second battery and a voltage regulation circuit. To enable the first battery, the second battery, or the voltage regulation circuit to provide electrical energy to the load facility, the BMS processor detects an output voltage of the solar panel, the electricity quantity of the first battery, the electricity quantity of the second battery and an operation voltage of the load facility, compares the output voltage of the solar panel with the operation voltage of the load facility, and controls an operation state of the first battery, the second battery, or the voltage regulation circuit based on the comparison result and the electricity quantity of the first and second batteries. Thus, electrical energy can be continuously supplied to the load facility, battery capacity can be saved and actual utilization of solar energy can be improved.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a power supply method,

BACKGROUND OF THE INVENTION Field of the Invention [0002] The present invention relates to the field of power supply technology, and more particularly, to a power supply method and a power supply device.

With global economic development, pollution is getting worse and global warming is getting worse. People are getting more and more demand for new energy resources. Solar energy is clean and eco-friendly and does not cause pollution or secondary pollution. Because of this, solar energy is increasingly recognized as a new energy product that is spotlighted by mankind, and the development and use of solar energy is one of the effective ways to address environmental pollution and energy shortages.

However, at present, most of them use solar energy to charge through a single battery, while the battery provides electrical energy to the load facility. This method has disadvantages in that it can not continuously supply electric energy to the load equipment and the energy utilization rate is not high. Accordingly, it is an urgent problem to be solved by those skilled in the art to provide a power supply device capable of increasing solar energy utilization rate and continuously supplying power to a load facility.

In order to overcome the above-mentioned disadvantages of the prior art, according to one aspect of the present invention, electric energy is continuously supplied to a load facility through a first battery, a second battery, or a voltage regulating circuit, And to provide a power supply method and a power supply apparatus capable of saving the battery capacity and improving the actual utilization ratio of solar energy when power is supplied to the power supply apparatus.

According to an aspect of the present invention, there is provided a power supply method including a first battery, a second battery, and a voltage regulating circuit, the first battery being electrically connected to a load facility electrically connected to the voltage regulating circuit, And a solar cell plate electrically connected to the BMS processor, the first battery, the second battery, and the voltage regulating circuit, the power supply method comprising: (a) detecting, by the BMS processor, an output voltage of the solar panel, an electricity quantity of the first battery, an electricity quantity of the second battery, and an operation voltage of the load facility; And (b) the BMS processor compares the output voltage of the solar panel with the operating voltage of the load facility so that the first battery, the second battery or the voltage regulation circuit provides electrical energy to the load facility, And controlling an operating state of the first battery, the second battery, or the voltage regulating circuit based on the comparison result and the electricity quantity of the first battery and the second battery.

Preferably, the step of controlling the operating state of the first battery, the second battery, or the voltage regulating circuit based on the comparison result and the electricity quantity of the first battery and the second battery includes the steps of: (c) The BMS processor controls the voltage regulating circuit to regulate the output voltage of the solar panel to the operating voltage of the load facility so as to supply electric power to the load facility when the output voltage of the load facility can satisfy the operating voltage of the load facility And charging the first battery or the second battery by controlling the solar panel; And (d) if the output voltage of the solar panel can not satisfy the operating voltage of the load facility, the BMS processor calculates the first battery and the second battery based on the electricity quantity of the first battery and the second battery, And controlling the charging / discharging state of the battery.

Wherein the power supply device comprises a first charge management circuit electrically connected to the solar panel, the first battery and the BMS processor, respectively, and a second charge control circuit electrically connected to the solar panel, the second battery, and the BMS processor, Wherein the step of controlling the solar panel in the step (c) to charge the first battery or the second battery further comprises: increasing the charging current for charging the first battery or the second battery, The BMS processor is configured to reduce the charge current through the first charge management circuit or the second charge management circuit so that the solar panel is operated at the optimum efficiency point when the output voltage of the solar panel is decreased ; Wherein the BMS processor outputs the charge current through the first charge management circuit or the second charge management circuit so that the output voltage of the solar panel is reduced to an optimal efficiency point when the output voltage of the solar cell plate is detected to be increased ; And the BMS processor increases the current of the voltage regulating circuit so that the output voltage of the solar energy is recovered to the optimum efficiency point when it is detected that the operating voltage of the load facility has been increased, 2 charge management circuit to reduce the charge current.

Preferably, the power supply device includes a first charge control switch electrically connected to the solar panel, the first charge management circuit, and the BMS processor, respectively; A first battery discharge control switch electrically connected to the first battery, the BMS processor, and the load facility, respectively; A second charge control switch electrically connected to the solar panel, the second charge management circuit, and the BMS processor, respectively; And a second battery discharge control switch electrically connected to the second battery, the BMS processor, and the load facility, respectively, wherein the step (d) includes the steps of: And controlling the operating states of the first charge control switch, the second charge control switch, the first battery discharge control switch, and the second battery discharge control switch based on the amount of electricity of the battery, And realizing a full charge or a full discharge of the first battery and the second battery by adjusting a discharge state of the first battery and the second battery.

According to another aspect of the present invention, there is provided a power supply apparatus including a solar panel, a BMS processor, a first battery, a second battery, and a voltage regulation circuit, wherein the solar panel includes the BMS processor, the first battery, And the BMS processor is electrically connected to the first battery, the second battery and the voltage regulation circuit, the solar panel absorbs solar energy and converts the absorbed solar energy into electrical energy, The BMS processor detects the output voltage of the solar panel, the amount of electricity of the first battery, the amount of electricity of the second battery, and the operating voltage of the load facility, and the first battery, the second battery, The BMS processor compares the output voltage of the solar panel with the operating voltage of the load facility, Based on the electric charge of the first battery group, the second battery, and controls the first battery, a second battery or a voltage control circuit in the operating state.

Compared with the prior art, the power supply method and the power supply device according to the present invention provide the following effects.

One aspect of the method is applied to a power supply connected to a load facility. The power supply includes a solar panel, a BMS processor, a first battery, a second battery and a voltage regulation circuit, wherein the solar panel is electrically connected to the BMS processor, the first battery, the second battery, And the BMS processor is electrically connected to the first battery, the second battery, and the voltage regulating circuit, and the first battery, the second battery, and the voltage regulating circuit are electrically connected to the load facility, respectively. The BMS processor detects the output voltage of the solar panel, the electricity quantity of the first battery, the electricity quantity of the second battery, and the operation voltage of the load equipment, and compares the output voltage of the solar panel with the operation voltage of the load facility. The BMS processor controls the operation state of the first battery, the second battery or the voltage regulating circuit based on the comparison result and the electricity quantity of the first battery and the second battery to control the operation of the first battery, Allowing the circuit to provide electrical energy to the load facility. Thus, it is possible to continuously provide electrical energy to the load equipment, to save battery capacity, and to improve the actual utilization of solar energy.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, in which: FIG.

BRIEF DESCRIPTION OF THE DRAWINGS In order to more clearly explain the technical solution of the embodiment according to the present invention, the drawings used in the embodiment will be briefly described below. The drawings are to be regarded in an illustrative rather than a restrictive manner and are not to be construed as limiting the scope of the present invention, and that other drawings may be obtained on the basis of such drawings, It is self-evident.
1 is a schematic block diagram of a power supply device provided in a preferred embodiment of the present invention.
2 is a schematic flow chart of the power supply method provided in the preferred embodiment of the present invention.
3 is a schematic block diagram of a power supply device provided in a preferred embodiment of the present invention.
4 is a schematic block diagram of a power supply device provided in a preferred embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention. It is to be understood that the described embodiments are merely illustrative of some of the embodiments of the invention and are not all embodiments. The components of the embodiments of the present invention, which are generally described and shown in the drawings herein, may be arranged or designed through a variety of different arrangements.

Therefore, the detailed description of the embodiments of the present invention presented below is not intended to limit the scope of the present invention, but merely shows a preferred embodiment of the present invention. All other embodiments obtained on the premise that the ordinary skill in the art does not incur unequivocal effort based on the embodiments of the present invention are all within the scope of the present invention.

It should be noted that like reference numerals and letters denote like parts in the following drawings, it is to be noted that, when certain parts are defined in the attached drawings, they are not further defined or interpreted in the following attached drawings.

It should be noted in the description of the present invention that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" The orientation or positional relationship indicated is based on the orientation or positional relationship depicted in the figures or on the orientation or positional relationship normally laid out when using the inventive product and is for the purposes of explanation and brief description only, Does not necessarily suggest or imply that it should be constructed or operated with a specific orientation and with a specific orientation, and thus should not be construed as limiting the present invention. In addition, the terms "first", "second", and "third" are intended to be used only as a breakdown and should not be understood as suggesting or suggesting relative importance.

In addition, the terms "horizontal "," vertical ", "open ", and the like do not require the member to be absolutely horizontal or drape, but may be slightly inclined. For example, "horizontal" indicates that the direction is relatively horizontal as compared to "vertical ", and the structure is not necessarily completely horizontal and may be slightly inclined.

In the description of the present invention, "installation", "mounting", "continuous", "connection" should be understood in a broad sense unless otherwise specified or limited. For example, they may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected or indirectly through an intermediate medium, It may also be a connection inside two devices. Those skilled in the art can understand the above-described terms in the specific sense of the present invention depending on the specific situation.

Hereinafter, some embodiments of the present invention will be described in detail by combining the drawings. The features of the following embodiments and examples can be combined with each other.

Referring to Figure 1, Figure 1 is a schematic block diagram of a power supply 10 provided in a preferred embodiment of the present invention. The power supply 10 may include a solar panel 100, a BMS processor 200, a first battery 330, a second battery 430, and a voltage regulator circuit 510. The solar panel 100 absorbs solar energy and converts the absorbed solar energy into electrical energy. The BMS processor 200 controls the operating states of the first battery 330, the second battery 430 and the voltage regulating circuit 510 and controls the operation of the first battery 330, To the load device 600 electrically connected to the power supply device 10.

The solar panel 100 is electrically connected to the BMS processor 200, the first battery 330, the second battery 430, and the voltage regulator circuit 510. The BMS processor 200 is electrically connected to the first battery 330, the second battery 430, and the voltage regulator circuit 510. The first battery 330, the second battery 430 and the voltage regulation circuit 510 are electrically connected to the load facility 600, respectively. The continuous power supply to the load equipment 600 can be realized through the above-described installation.

2 is a flow schematic diagram of a power supply method provided in a preferred embodiment of the present invention. The method is applied to the power supply 10 connected to the load facility 600. Hereinafter, a specific flow of the power supply method will be described in detail.

Referring to FIG. 2, in step S110, the BMS processor 200 calculates an output voltage of the solar battery 100, an electricity quantity of the first battery 330, an electricity quantity of the second battery 430, As shown in Fig.

Since the BMS processor 200 is electrically connected to the solar panel 100, the first battery 330, the second battery 430 and the load facility 600, the BMS processor 200 performs real- The output voltage of the solar panel 100, the operating voltage of the load facility 600, the electricity quantity of the first battery 330, and the electricity quantity of the second battery 430 can be obtained.

Here, the BMS (Battery Management System) is an important connector for connecting a motor vehicle battery and an electric vehicle. The BMS collects, processes, and stores important information in real time during the operation of the battery pack, and exchanges information with an external device (for example, a vehicle control unit) It addresses key issues such as safety, availability, usability and service life, and the main function is to extend the service life of the battery and monitor the condition of the battery by preventing overcharge and overdischarge of the battery to improve battery utilization.

In step S120, the BMS processor 200 compares the output voltage of the solar panel 100 with the operating voltage of the load facility 600 and compares the comparison result with the operating voltage of the first battery 330, the second battery 430, The first battery 330, the second battery 430 or the voltage regulating circuit 510 may supply the electric power to the load facility 600 based on the electricity quantity of the first battery 330, And controls the operation state of the battery 430 or the voltage regulating circuit 510. [

When the output voltage of the solar panel 100 can satisfy the operating voltage of the load facility 600, the BMS processor 200 controls the voltage regulating circuit 510 to control the voltage The output voltage of the battery pack 100 is adjusted to the operating voltage of the load facility 600 to supply power to the load facility 600 and to charge the first battery 330 or the second battery 430 Thereby controlling the battery board 100.

3 is a schematic block diagram of a power supply 10 provided in a preferred embodiment of the present invention. The power supply 10 may further include a power output control switch 530. The power output control switch 530 is electrically connected to the BMS processor 200 and the voltage regulation circuit 510.

3, when the output voltage of the solar panel 100 can satisfy the operation voltage of the load facility 600, the BMS processor 200 sets the operation state of the power output switch to ON and provides the output voltage of the solar panel 100 to the load facility 600 through the voltage regulating circuit 510 in a controlled manner. Also, the first battery 330 or the second battery 430 can be charged at the same time. This not only saves battery capacity, but also improves the actual utilization of solar energy.

In addition, the power supply 10 may further include a capacitor 520. The capacitor 520 is electrically connected to the voltage control circuit 510, the power output control switch 530, and the BMS processor 200. The BMS processor 200 controls the operation states of the voltage regulating circuit 510 and the capacitor 520 to supply electric energy of a predetermined voltage to the load facility 600 through the capacitor 520.

4 is a schematic block diagram of a power supply 10 provided in a preferred embodiment of the present invention. Referring to FIG. 4, the power supply 10 may further include a first charge management circuit 320 and a second charge management circuit 420. The first charge management circuit 320 is electrically connected to the solar panel 100, the first battery 330, and the BMS processor 200. The second charge management circuit 420 is electrically connected to the solar panel 100, the second battery 430, and the BMS processor 200. Next, when power is supplied to the load facility 600 through the solar panel 100, the BMS processor 200 controls the solar panel 100 so that the first battery 330 or the second battery 430 will be described.

The output voltage of the solar panel 100 fluctuates due to the movement of the solar panel 100 itself (for example, moving to a place where there is no sunlight, moving to a place where there is no sunlight, etc.) May occur. Only when the solar panel 100 operates at the highest efficiency point, the solar panel 100 can supply power at the highest efficiency.

The BMS processor 200 controls the solar battery 100 according to the amount of electricity of the first battery 330 and the amount of electricity of the second battery 430 so that the first battery 330 or the second battery 430). For example, when the amount of electricity of the first battery 330 is lower than a preset amount of electricity, when the amount of electricity of the second battery 430 reaches the charging completion state, the BMS processor 200 transmits the first battery 330, And controls the solar panel 100 so as to charge the solar panel 100.

In one embodiment of the present invention, the BMS processor 200 increases the charging current for charging the first battery 330 or the second battery 430, while the output voltage of the solar panel 100 increases The charge current is reduced through the first charge management circuit 320 or the second charge management circuit 420 so that the solar panel 100 operates at the highest efficiency point.

The BMS processor 200 is electrically connected to the first battery 330 and the second battery 430 so that the BMS processor 200 can receive the first battery 330, Can be obtained as a real period. When the charging current for charging the first battery 330 or the second battery 430 is increased while the output voltage of the solar panel 100 is decreased, the current operating state of the solar panel 100 is maximized It indicates that the point has deviated. The first charge management circuit 320 may adjust the charge current for the first battery 330 and the second charge management circuit 420 may adjust the charge current for the second battery 430. For example, The BMS processor 200 reduces the charge current through the first charge management circuit 320 or the second charge management circuit 420 so that the solar panel 100 operates at the highest efficiency point do.

In another embodiment of the present invention, when the BMS processor 200 detects that the output voltage of the solar panel 100 is increased, the first charge management circuit 320 or the second charge management circuit 420 to reduce the output voltage of the solar panel 100 to the highest efficiency point.

In another embodiment of the present invention, when the BMS processor 200 detects that the operating voltage of the load facility 600 is increased, it increases the current of the voltage regulating circuit 510, The charge current is reduced through the charge management circuit 320 or the second charge management circuit 420 so that the output voltage of the solar panel 100 is recovered to the highest efficiency point.

When the output voltage of the solar panel 100 does not satisfy the operating voltage of the load facility 600, the BMS processor 200 controls the first battery 330 and the second battery 430 ) Of the first battery 330 and the second battery 430 based on the electricity amount of the first battery 330 and the second battery 430.

Referring again to FIG. 4, the power supply 10 includes a first charge control switch 310, a first battery discharge control switch 340, a second charge control switch 410, and a second battery discharge control switch 440). The first charge control switch 310 is electrically connected to the solar panel 100, the first charge management circuit 320, and the BMS processor 200. The first battery discharge control switch 340 is electrically connected to the first battery 330, the BMS processor 200, and the load facility 600. The second charge control switch 410 is electrically connected to the solar panel 100, the second charge management circuit 420, and the BMS processor 200. The second battery discharge control switch 440 is electrically connected to the second battery 430, the BMS processor 200, and the load facility 600. Next, when the output voltage of the solar panel 100 does not satisfy the operation voltage of the load facility 600, the BMS processor 200 calculates the amount of electricity of the first battery 330 and the second battery 430 A method of controlling the charge / discharge state of the first battery 330 and the second battery 430 will be described.

When only one battery is used for charging and discharging and the electric energy converted from solar energy fluctuates, the electric energy converted from the solar energy can be used to charge the load equipment (600) and the battery, Therefore, the battery frequently switches between the charging state and the discharging state. In chemical energy batteries, battery life can be greatly reduced. Since the service life of the battery is indicated by the number of charging and discharging times, the service life of the battery can be extended by fully charging and discharging the first battery 330 and the second battery 430.

The BMS processor 200 controls the first charge control switch 310 and the second charge control switch 410 based on the amount of electricity of the first battery 330 and the second battery 430, The first battery discharge control switch 340 and the second battery discharge control switch 440 to control the charging and discharging states of the first battery 330 and the second battery 430, Full charging and full discharging of the battery 330 and the second battery 430 are realized.

Specifically, when the BMS processor 200 selects the first battery 330 to enter the charged state and the second battery 430 selects to enter the discharged state, a specific flow is as follows.

The BMS processor 200 controls the first charge control switch 310 to be in an on state and controls the first battery discharge control switch 340 to be in an off state. The electric energy provided by the solar battery 100 flows to the first battery 330 through the first charge control switch 310 and the first charge management circuit 320 so that the first battery 330 ). At the same time, the BMS processor 200 controls the operation state of the first charge management circuit 320 to adjust the charge current to charge the first battery 330. In addition, when the BMS processor 200 detects completion of charging the first battery 330, the first charging control switch 310 is turned off.

The BMS processor 200 controls the second charge control switch 410 to the off state and controls the second battery discharge control switch 440 to the on state. Accordingly, the second battery 430 supplies electric power to the load facility 600. In addition, when the amount of electricity of the second battery 430 is lower than a predetermined amount, the BMS processor 200 controls the operation of the second battery discharge control switch 440 to be off, The control switch 410 is turned on, and the second battery 430 is charged. The opposite is true. Accordingly, the full charge and full discharge of the first battery 330 and the second battery 430 can be realized, and the service life of the battery can be extended.

Referring again to FIG. 4, the preferred embodiment of the present invention further provides a power supply 10 as follows. That is, the power supply apparatus 10 includes a solar panel 100, a BMS processor 200, a first battery 330, a second battery 430, and a voltage regulation circuit 510, Is electrically connected to the BMS processor 200, the first battery 330, the second battery 430 and the voltage regulating circuit 510. The BMS processor 200 is connected to the first battery 330, The BMS processor 200 is electrically connected to the second battery 430 and the voltage regulating circuit 510. The solar panel 100 absorbs solar energy and converts the absorbed solar energy into electric energy. The first battery 330, the second battery 430, and the load device 600, and detects the output voltage of the solar battery 100, the first battery 330, the second battery 430, The BMS processor 200 may be configured to provide the electrical energy to the load facility 600, The output voltage of the both battery boards 100 is compared with the operating voltage of the load facility 600 and based on the comparison result and the electricity quantity of the first battery 330 and the second battery 430, ), The second battery 430, or the voltage regulating circuit 510.

The power supply 10 may further include a power output control switch 530 and the power output control switch 530 may be electrically connected to the voltage control circuit 510 and the BMS processor 200. [ When the output voltage of the solar panel 100 satisfies the operating voltage of the load facility 600, the BMS processor 200 controls the voltage regulating circuit 510 to control the voltage of the solar panel 100, And adjusts the operating state of the power output control switch 530 so that the voltage regulating circuit 510 supplies power to the load facility 600. [

The power supply apparatus 10 further includes a first charge control switch 310 and a first charge management circuit 320. The first charge control switch 310, The circuit 320 and the first battery 330 are sequentially electrically connected and electrically connected to the BMS processor 200. The first charge control switch 310 is connected to the solar panel 100 The BMS processor 200 transmits a first charge control signal to the first charge control switch 310 so that the first solar battery 100 may charge the first battery 330, And controls the charge current through the charge management circuit 320.

In addition, when the BMS processor 200 detects completion of charging the first battery 330, the BMS processor 200 controls the first charging control switch 310 to be switched from the on state to the off state.

The first battery discharge control switch 340 is connected to the BMS processor 200 and the load facility 600. The first battery discharge control switch 340 is connected to the first battery discharge control switch 340. In this embodiment, And the BMS processor 200 is connected to the first battery discharge control switch 340 so that the first battery 330 supplies power to the load facility 600. [ .

In addition, when the BMS processor 200 detects that the power of the first battery 330 is lower than a preset amount, the BMS processor 200 controls the first battery discharge control switch 340 to switch from the on state to the off state do.

In the present embodiment, the power supply apparatus 10 further includes a second charge control switch 410 and a second charge management circuit 420. The second charge control switch 410, The circuit 420 and the second battery 430 are electrically connected in sequence and electrically connected to the BMS processor 200 respectively and the second charge control switch 410 is connected to the solar panel 100 The BMS processor 200 transmits a second charge control signal to the second charge control switch 410 so that the solar cell panel 100 charges the second battery 430, 2 charge control circuit 420 to control the charging current.

In addition, when the BMS processor 200 detects completion of charging the second battery 430, the BMS processor 200 controls the second charge control switch 410 to be switched from the on state to the off state.

The power supply 10 further includes a second battery discharge control switch 440 and a second battery discharge control switch 440 is connected to the BMS processor 200 and the load facility 600. In this embodiment, And the second battery discharge control switch 440 is electrically connected to the second battery discharge control switch 440 so that the second battery 430 supplies power to the load facility 600. [ .

In addition, when the BMS processor 200 detects that the amount of electricity of the second battery 430 is lower than a preset amount, the BMS processor 200 controls the second battery discharge control switch 440 to switch from the on state to the off state do.

Taking all of the above into account, the present invention provides a power supply method and a power supply. The method is applied to a power supply connected to a load facility. The power supply includes a solar panel, a BMS processor, a first battery, a second battery and a voltage regulation circuit, wherein the solar panel is electrically connected to the BMS processor, the first battery, the second battery, And the BMS processor is electrically connected to the first battery, the second battery, and the voltage regulating circuit, and the first battery, the second battery, and the voltage regulating circuit are electrically connected to the load facility, respectively. The BMS processor detects the output voltage of the solar panel, the electricity quantity of the first battery, the electricity quantity of the second battery, and the operation voltage of the load equipment, and compares the output voltage of the solar panel with the operation voltage of the load facility. The BMS processor controls the operation state of the first battery, the second battery or the voltage regulating circuit based on the comparison result and the electricity quantity of the first battery and the second battery to control the operation of the first battery, Allowing the circuit to provide electrical energy to the load facility. Thus, it is possible to continuously provide electrical energy to the load equipment, to save battery capacity, and to improve the actual utilization of solar energy.

The foregoing is merely illustrative of the present invention and is not to be construed as limiting the present invention. Various modifications and changes may be made by those skilled in the art. Any modifications, equivalent substitutes, improvements, etc., which are made within the spirit and principle of the present invention, are to be included within the scope of the present invention.

10: Power supply
100: Solar panel
200: BMS processor
310: first charge control switch
320: first charge management circuit
330: First battery
340: first battery discharge control switch
410: second charge control switch
420: second charge management circuit
430: Second battery
440: second battery discharge control switch
510: Voltage regulation circuit
520: Capacitor
530: Power output control switch
600: Load equipment

Claims (10)

A BMS processor electrically connected to the first battery, a second battery, and a load arrangement electrically connected to the voltage regulation circuit, the BMS processor electrically connected to the first battery, the second battery and the voltage regulation circuit, A power supply method applicable to a power supply apparatus including a solar battery panel electrically connected to the first battery, the second battery, and the voltage regulation circuit,
(a) detecting, by the BMS processor, an output voltage of the solar panel, an electricity quantity of the first battery, an electricity quantity of the second battery, and an operation voltage of the load facility; And
(b) the BMS processor compares the output voltage of the solar panel with the operating voltage of the load facility so that the first battery, the second battery, or the voltage regulation circuit provides electrical energy to the load facility, And controlling an operating state of the first battery, the second battery, or the voltage regulating circuit based on the result and the quantity of electricity of the first battery, the second battery, and the like.
The method according to claim 1,
Controlling the operating state of the first battery, the second battery, or the voltage regulating circuit based on the comparison result and the electricity quantity of the first battery and the second battery includes:
(c) when the output voltage of the solar panel satisfies the operating voltage of the load facility, the BMS processor controls the voltage regulation circuit to adjust the output voltage of the solar panel to the operating voltage of the load facility Supplying power to the load facility and controlling the solar panel to charge the first battery or the second battery; And
(d) if the output voltage of the solar cell plate can not satisfy the operating voltage of the load facility, the BMS processor calculates, based on the electricity quantity of the first battery and the second battery, And regulating a charge / discharge state.
3. The method of claim 2,
Wherein the power supply device comprises a first charge management circuit electrically connected to the solar panel, the first battery and the BMS processor, respectively, and a second charge control circuit electrically connected to the solar panel, the second battery, and the BMS processor, Further comprising a management circuit,
The step of controlling the solar panel in the step (c) to charge the first battery or the second battery includes:
Wherein the BMS processor is configured to cause the solar cell panel to operate at an optimal efficiency point when the charging current for charging the first battery or the second battery is increased while detecting that the output voltage of the solar cell board has decreased, Reducing the charge current through the management circuit or the second charge management circuit;
Wherein the BMS processor outputs the charge current through the first charge management circuit or the second charge management circuit so that the output voltage of the solar panel is reduced to an optimal efficiency point when the output voltage of the solar cell plate is detected to be increased ; And
The BMS processor increases the current of the voltage regulating circuit so that the output voltage of the solar energy is recovered to the optimum efficiency point when it is detected that the operating voltage of the load facility has increased, And reducing said charge current through a charge management circuit.
The method of claim 3,
The power supply comprises:
A first charge control switch electrically connected to the solar panel, the first charge management circuit, and the BMS processor, respectively;
A first battery discharge control switch electrically connected to the first battery, the BMS processor, and the load facility, respectively;
A second charge control switch electrically connected to the solar panel, the second charge management circuit, and the BMS processor, respectively; And
Further comprising a second battery discharge control switch electrically connected to the second battery, the BMS processor, and the load facility, respectively,
Wherein step (d) comprises:
Wherein the BMS processor is operable to determine an operating state of the first charge control switch, the second charge control switch, the first battery discharge control switch, and the second battery discharge control switch based on the electric quantities of the first battery and the second battery And full discharge and full discharge of the first battery and the second battery by controlling the discharge states of the first battery and the second battery by controlling the first battery and the second battery.
In a power supply apparatus,
The power supply includes a solar panel, a BMS processor, a first battery, a second battery, and a voltage regulation circuit,
Wherein the solar panel is electrically connected to the BMS processor, the first battery, the second battery, and the voltage regulating circuit,
Wherein the BMS processor is electrically connected to the first battery, the second battery, and the voltage regulating circuit,
The solar panel absorbs solar energy and converts the absorbed solar energy into electrical energy,
The BMS processor detects an output voltage of the solar panel, an electricity quantity of the first battery, an electricity quantity of the second battery, and an operation voltage of a load facility,
The BMS processor compares the output voltage of the solar panel with the operating voltage of the load facility so that the first battery, the second battery, or the voltage regulation circuit supplies electric energy to the load facility, And controls the operating state of the first battery, the second battery, or the voltage regulating circuit based on the first battery, the second battery, and the electric quantity of the second battery.
6. The method of claim 5,
The power supply further comprises a power supply output control switch electrically connected to the voltage regulation circuit and the BMS processor,
When the output voltage of the solar panel satisfies the operating voltage of the load facility, the BMS processor controls the voltage adjusting circuit to adjust the output voltage of the solar panel to the operating voltage of the load facility, And controls the operating state of the power output control switch to supply power to the load facility.
6. The method of claim 5,
Wherein the power supply further comprises a first charge control switch and a first charge management circuit,
Wherein the first charge control switch, the first charge management circuit, and the first battery are electrically connected to each other in sequence and electrically connected to the BMS processor,
Wherein the first charge control switch is electrically connected to the solar panel,
The BMS processor sends a first charge control signal to the first charge control switch to control the charge current through the first charge management circuit so that the solar cell plate charges the first battery.
8. The method of claim 7,
Wherein the power supply further comprises a first battery discharge control switch electrically connected to the BMS processor and the load facility,
The BMS processor sends a first battery discharge control signal to the first battery discharge control switch such that the first battery supplies power to the load facility.
6. The method of claim 5,
Wherein the power supply further comprises a second charge control switch and a second charge management circuit,
Wherein the second charge control switch, the second charge management circuit, and the second battery are electrically connected to each other in sequence and electrically connected to the BMS processor,
The BMS processor sends a second charge control signal to the second charge control switch and controls the charge current through the second charge management circuit so that the solar cell plate charges the second battery.
10. The method of claim 9,
Wherein the power supply further comprises a second battery discharge control switch electrically connected to the BMS processor and the load facility,
The BMS processor sends a second battery discharge control signal to the second battery discharge control switch such that the first battery supplies power to the load facility.

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