CN203690963U - Portable energy storage power supply - Google Patents

Abstract

The utility model discloses a portable energy storage power supply, which comprises: a plurality of charging interfaces; a first voltage conversion module for converting the voltage input by the plurality of charging interfaces into a preset charging voltage; and a charging device for detecting the preset charging voltage. A controller; a battery pack; a first controllable switch, one end of the first controllable switch is connected to the charge controller, and the other end of the first controllable switch is connected to one end of the battery pack; a battery manager, the battery manager detects that the battery When the group is in a normal charging state, the first controllable switch is controlled to close, and a charging permission signal is issued; the control module is connected to the charging controller, and the control module communicates with the battery manager when the charging controller detects the preset charging voltage. communicates, and controls the charge controller to charge the battery pack when a charge enable signal is received. The portable energy storage power supply uses batteries to store energy, has multiple charging methods, is simple and convenient to use, has no noise, no pollution, and is energy-saving and environmentally friendly.

Description

Portable energy storage power supply

technical field

The utility model relates to the technical field of power supplies, in particular to a portable energy storage power supply.

Background technique

With the popularization of electronic products, it has brought a lot of convenience to our life, but in the case of power outages, sudden accidents or temporary special places, the power supply of electronic products has become a problem that people need to face.

At present, there is mainly a power supply method using a generator. However, using a generator for power supply requires consumption of diesel or gasoline, which is costly, noisy, and likely to cause environmental pollution.

Utility model content

The purpose of this utility model is to at least solve the above-mentioned technical problems to a certain extent.

For this reason, the purpose of this utility model is to propose a portable energy storage power supply, the portable energy storage power supply uses batteries to store energy, has a variety of charging methods, simple and convenient to use, and has no noise, no pollution, energy saving and environmental protection.

In order to achieve the above purpose, a portable energy storage power source proposed by the utility model includes: a plurality of charging interfaces; a first voltage conversion module for converting the voltage input by the plurality of charging interfaces into a preset charging voltage, the The first voltage conversion module is respectively connected to the plurality of charging interfaces; a charging controller for detecting the preset charging voltage, and the charging controller is connected to the first voltage conversion module; a battery pack; the first A controllable switch, one end of the first controllable switch is connected to the charging controller, and the other end of the first controllable switch is connected to one end of the battery pack; the battery manager is connected to the battery manager The other end of the battery pack is respectively connected to the control end of the first controllable switch. When the battery manager detects that the battery pack is in a normal charging state, it controls the first controllable switch to close and sends a permission charging signal; a control module, the control module is connected to the charging controller, and the control module performs CAN communication with the battery manager when the charging controller detects the preset charging voltage, and receives The charging controller is controlled to charge the battery pack when the charging permission signal is received.

According to the portable energy storage power supply proposed by the utility model, various charging methods can be realized through multiple charging interfaces, and the use is simple and convenient, and the battery pack is used to store energy, no generator is needed for power generation, no noise, no pollution, energy saving and environmental protection, providing users with Use brings convenience.

Additional aspects and advantages of the present invention will be set forth in part in the description which follows, and part will be apparent from the description which follows, or can be learned by practice of the present invention.

Description of drawings

The above-mentioned and/or additional aspects and advantages of the utility model will become apparent and easy to understand from the following description of the embodiments in conjunction with the accompanying drawings, wherein:

1 is a schematic circuit diagram of a portable energy storage power supply according to an embodiment of the present invention;

2 is a schematic circuit diagram of a portable energy storage power supply according to an embodiment of the present invention; and

Fig. 3 is a schematic circuit diagram of a portable energy storage power supply according to a specific embodiment of the present invention.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are only used to explain the present invention, and cannot be construed as limiting the present invention.

The following disclosure provides many different embodiments or examples for realizing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the utility model. Furthermore, the present invention may repeat reference numerals and/or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art will recognize the applicability of other processes and/or the use of other materials. Additionally, configurations described below in which a first feature is "on" a second feature may include embodiments where the first and second features are formed in direct contact, and may include additional features formed between the first and second features. For example, such that the first and second features may not be in direct contact.

In the description of the present utility model, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be The internal communication between two elements may be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations.

These and other aspects of embodiments of the present invention will become apparent with reference to the following description and drawings. In these descriptions and drawings, some specific implementations of the embodiments of the present invention are specifically disclosed to represent some ways of implementing the principles of the embodiments of the present invention, but it should be understood that the embodiments of the present invention The range is not limited by this. On the contrary, the embodiments of the present invention include all changes, modifications and equivalents falling within the spirit and scope of the appended claims.

The following describes the portable energy storage power supply according to the embodiment of the present invention with reference to the accompanying drawings.

Fig. 1 is a schematic circuit diagram of a portable energy storage power supply according to an embodiment of the present invention. As shown in Figure 1, the portable energy storage power supply includes a plurality of charging interfaces 10, a first voltage conversion module 20, a charging controller 30, a battery pack 40, a first controllable switch K1, and a BMS (Battery Management System, battery manager) ) 50 and the control module 60 .

Wherein, the first voltage conversion module 20 is respectively connected to a plurality of charging interfaces 10, the first voltage conversion module 20 is used to convert the voltage input by the plurality of charging interfaces 10 into a preset charging voltage Vs, and the charging controller 30 is connected with the first voltage The conversion module 20 is connected, and the charging controller 30 is used to detect the preset charging voltage Vs. One end of the first controllable switch K1 is connected to the charging controller 30, the other end of the first controllable switch K1 is connected to one end of the battery pack 40, the battery manager 50 is connected to the other end of the battery pack 40 and the first controllable switch K1 The control terminals are connected respectively, and when the battery manager 50 detects that the battery pack 40 is in a normal charging state, it controls the first controllable switch K1 to close, and sends out a charging permission signal; the control module 60 is connected to the charging controller 30, and the control module 60 is charging. The controller 30 performs CAN communication with the battery manager 50 when detecting the preset charging voltage Vs, and controls the charging controller 30 to charge the battery pack 40 when receiving the charging permission signal.

In one embodiment of the present invention, as shown in FIG. 1, when the first charging interface 101 among the multiple charging interfaces 10 is connected to the car cigarette lighter 100, the first voltage conversion module 20 includes a first diode D1 and the first DC/DC converter 201, wherein the cathode of the first diode D1 is connected to the charging controller 30, and one end of the first DC/DC converter 201 is connected to the car cigarette lighter 100 through the first charging interface 101 The other end of the first DC/DC converter 201 is connected to the anode of the first diode D1, and the first DC/DC converter 201 is used to convert the voltage output by the car cigarette lighter 100 into a preset charging voltage Vs .

That is to say, when the above-mentioned portable energy storage power supply is charged by the car cigarette lighter 100, the first DC/DC converter 201 works, and the control module 60 communicates with the battery manager after detecting the preset charging voltage Vs through the charging controller 30. 50 for CAN communication. After the battery manager 50 detects that the battery pack 40 can be charged normally, it sends out a charging permission signal, and at the same time controls the first controllable switch K1 to close, for example, pulls in the relay 1 . After receiving the charging permission signal sent by the battery manager 50 , the control module 60 controls the charging controller 30 to work and charge the battery pack 40 .

Further, in one embodiment of the utility model, as shown in FIG. 1, when the second charging interface 102 among the multiple charging interfaces 10 is connected to the AC mains 200, the first voltage conversion module 20 includes a second diode Tube D2 and AC/DC converter 202. Wherein, the cathode of the second diode D2 is connected to the charging controller 30, one end of the AC/DC converter 202 is connected to the AC mains 200 through the second charging interface 102, and the other end of the AC/DC converter 202 is connected to the second The anodes of the diode D2 are connected, and the AC/DC converter 202 is used to convert the voltage output by the AC mains 200 into a preset charging voltage Vs.

That is to say, when the above-mentioned portable energy storage power supply is charged by the AC mains 200, the AC/DC converter 202 works, and after the control module 60 detects the preset charging voltage Vs through the charge controller 30, it communicates with the battery manager 50 After CAN communication is performed, the battery manager 50 detects that the battery pack 40 can be charged normally, sends out a charging permission signal, and controls the first controllable switch K1 to close, for example, pulls in the relay 1 . After receiving the charging permission signal sent by the battery manager 50 , the control module 60 controls the charging controller 30 to work and charge the battery pack 40 .

And, in one embodiment of the utility model, as shown in FIG. 1, when the third charging interface 103 in the plurality of charging interfaces 10 is connected to a PV (Photo Voltaic, photovoltaic cell) panel 300, the first voltage conversion module 20 A third diode D3 is also included, wherein the cathode of the third diode D3 is connected to the charging controller 30 , and the anode of the third diode D3 is connected to the PV panel 300 . That is to say, when the above-mentioned portable energy storage power supply is charged by generating electricity through the PV panel 300, after the control module 60 detects the preset charging voltage Vs through the charging controller 30 through the diode D3, it performs CAN communication with the battery manager 50, and the battery management After the device 50 detects that the battery pack 40 can be charged normally, it sends out a charging permission signal, and at the same time controls the first controllable switch K1 to close, for example, pulls in the relay 1 . After the control module 60 receives the charging permission signal sent by the battery manager 50, it controls the charging controller 30 to work, and performs MPPT (Maximum Power Point Tracking, maximum power point tracking) to maximize the use of the energy of the PV panel 300 for the battery pack. to charge.

Therefore, the portable energy storage power supply of the embodiment of the utility model can adopt various charging methods, for example, it can be charged by AC mains, car cigarette lighter or PV panel power generation, which is simple and convenient to use and brings convenience to users . Moreover, when the PV panel is used to generate electricity to charge the battery pack, the energy is clean, pollution-free, and noise-free. Among them, the diodes D1, D2, and D3 play the role of anti-reverse, so as to protect devices with different charging methods from being damaged.

In an embodiment of the present invention, as shown in FIG. 2 , the above-mentioned portable energy storage power supply further includes a second controllable switch K2 , a plurality of discharge interfaces 70 and a second voltage conversion module 80 .

Wherein, one end of the second controllable switch K2 is connected to one end of the battery pack 40 and the other end of the first controllable switch K1 respectively, and the control end of the second controllable switch K2 is connected to the battery manager 50, wherein the control module 60 receives After receiving the power-on signal, CAN communication is carried out with the battery manager 50. When the battery manager 50 detects that the battery pack 40 is in a normal discharge state, it controls the second controllable switch K2 to close and sends a discharge-allowing signal; the second voltage conversion module 80 and the second The other ends of the two controllable switches K2 are respectively connected to a plurality of discharge interfaces 70 , and the second voltage conversion module 80 is used to convert the voltage of the battery pack 40 into a plurality of preset output voltages for outputting through the plurality of discharge interfaces 70 respectively.

As shown in FIG. 2 , the second voltage conversion module 80 includes a DC/AC converter 801 , a second DC/DC converter 802 and a third DC/DC converter 803 . Wherein, one end of the DC/AC converter 801 is connected to the other end of the second controllable switch K2, and the other end of the DC/AC converter 801 is connected to the first discharge interface 701, and the DC/AC converter 801 is used to discharge the battery pack The voltage at 49 is converted into the first alternating current and output through the first discharge interface 701 of the plurality of discharge interfaces 70 , that is, AC output. One end of the second DC/DC converter 802 is connected to the other end of the second controllable switch K2, the other end of the second DC/DC converter 802 is connected to the second discharge interface 702, and the second DC/DC converter 802 is used to The purpose is to convert the voltage of the battery pack 40 into a first direct current such as 12V and output it through the second discharge interface 702 of the plurality of discharge interfaces, that is, to perform 12VDC output. One end of the third DC/DC converter 803 is connected to the other end of the second controllable switch K2, the other end of the third DC/DC converter 803 is connected to the third discharge interface 703, and the third DC/DC converter 803 is used for In order to convert the voltage of the battery pack 40 into a second direct current such as 5V and output it through the third discharge interface 703 among the plurality of discharge interfaces, that is, to perform 5V USB output.

The discharge process of the portable energy storage power supply in the embodiment of the present utility model is as follows: when the control module 60 receives the power-on signal and performs CAN communication with the battery manager 50, the battery manager 50 detects that the battery pack 40 can be discharged normally, and then sends a permission to discharge signal, and control the second controllable switch K2 to close at the same time, such as pulling in the relay 2, and the battery pack 40 starts to discharge, wherein, the first alternating current can be obtained after passing through the DC/AC converter 801 for output, and through the second DC/DC converter After 802, 12VDC is obtained for output, and after passing through the third DC/DC converter 803, 5V DC is obtained for 5V USB output.

As shown in Figure 2, the above-mentioned portable energy storage power supply also includes a charging indicator light 901 and a discharging indicator light 902, wherein the charging indicator light 901 is connected to the control module 60, wherein the control module 60 controls The charging indicator light 901 lights up to display the charging status. The discharge indicator light 902 is connected to the control module 60, wherein the control module 60 controls the discharge indicator light 902 to light up to display the discharge state when receiving the discharge permission signal.

In an embodiment of the present invention, as shown in FIG. 3 , the above-mentioned portable energy storage power supply further includes: a current sampling module 90 and a fault indicator light 903 . Wherein, one end of the current sampling module 90 is connected to one end of the battery pack 40, and the other end of the current sampling module 90 is respectively connected to the other end of the first controllable switch K1 and one end of the second controllable switch K2, and the current sampling module 90 The sampling output terminal of the battery is connected to the battery manager 50, wherein the battery manager 50 controls the first controllable switch K1 to turn off or the second controllable switch K2 to turn off when detecting abnormal charging or discharging through the current sampling module 90, and sends out Abnormal charging signal or abnormal discharging signal; the fault indicator light 903 is connected to the control module 60, wherein the control module 60 controls the charging controller 30 to stop working and controls the fault indicator light 903 to display the abnormal charging fault when receiving the abnormal charging signal, and The control module 60 controls the fault indicator light 903 to display an abnormal discharge fault when receiving the abnormal discharge signal.

That is to say, when the battery manager 50 detects the charging abnormality through the current sampling module 90, it sends out a charging abnormal signal, and at the same time controls the first controllable switch K1 to be turned off, such as turning off the relay 1, or, when the battery manager 50 passes the current The sampling module 90 sends out an abnormal discharge signal after detecting abnormal discharge, and at the same time controls the second controllable switch K2 to be turned off, for example, the relay 2 is turned off. When the control module 60 receives the abnormal charging signal, it controls the charging controller 30 to stop working and controls the fault indicator light 903 to display the charging fault state; when the control module 60 receives the abnormal discharge signal, it controls the fault indicator light 903 to display the discharging fault state.

In the embodiment of the present invention, the first controllable switch K1 and the second controllable switch K2 can be relays, of course, they can also be other controllable electronic switches.

In addition, as shown in FIG. 3 , the above-mentioned portable energy storage power supply further includes a battery indicator light 904 . The battery indicator 904 is connected to the control module 60, wherein the battery manager 50 controls the first controllable switch K1 to turn off when detecting that the battery pack 40 is in a fully charged state or an abnormal state, and sends a signal to stop charging or an abnormal signal, and the control module 60 When the charging stop signal or abnormal signal is received, the charging controller 30 is controlled to stop working, and the battery indicator 904 is controlled to display full charge or abnormal failure.

To sum up, the portable energy storage power supply of the embodiment of the utility model adopts multiple charging methods, which is simple and convenient to use, and can generate and store energy with photovoltaic panels, without noise and pollution; at the same time, the charging and discharging are controlled by the battery manager, Safe and reliable. In addition, it also includes AC and DC outputs to meet different power needs at the same time. Therefore, the portable energy storage power supply according to the embodiment of the utility model is suitable for various electricity demands such as indoor and outdoor lighting, small household appliances, mobile electronic products such as mobile phones and notebooks, and outdoors, and fully meets the needs of users.

According to the portable energy storage power supply proposed by the embodiment of the utility model, various charging methods can be realized through multiple charging interfaces, and the use is simple and convenient, and the battery pack is used to store energy, no generator is needed for power generation, no noise, no pollution, energy saving and environmental protection, Bring convenience to users.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (10)

1. A portable energy storage power supply, comprising: Multiple charging ports; A first voltage conversion module for converting the voltage input by the plurality of charging interfaces into a preset charging voltage, and the first voltage conversion module is respectively connected to the plurality of charging interfaces; a charging controller for detecting the preset charging voltage, the charging controller is connected to the first voltage conversion module; Battery; A first controllable switch, one end of the first controllable switch is connected to the charging controller, and the other end of the first controllable switch is connected to one end of the battery pack; A battery manager, the battery manager is respectively connected to the other end of the battery pack and the control end of the first controllable switch, and controls the battery pack when it detects that the battery pack is in a normal charging state The first controllable switch is closed and sends a charging permission signal; A control module, the control module is connected to the charging controller, and the control module performs CAN communication with the battery manager when the charging controller detects the preset charging voltage, and receives the The charging controller is controlled to charge the battery pack when the charging signal is enabled. 2. The portable energy storage power supply according to claim 1, wherein when the first charging interface among the plurality of charging interfaces is connected to a car cigarette lighter, the first voltage conversion module includes: a first diode, the cathode of the first diode is connected to the charge controller; A first DC/DC converter for converting the voltage output by the car cigarette lighter into the preset charging voltage, one end of the first DC/DC converter is connected to the The car cigarette lighter is connected, and the other end of the first DC/DC converter is connected with the anode of the first diode. 3. The portable energy storage power supply according to claim 1, wherein when the second charging interface in the plurality of charging interfaces is connected to the AC mains, the first voltage conversion module comprises: a second diode, the cathode of the second diode is connected to the charge controller; an AC/DC converter for converting the output voltage of the AC mains into the preset charging voltage, one end of the AC/DC converter is connected to the AC mains through the second charging interface, The other end of the AC/DC converter is connected to the anode of the second diode. 4. The portable energy storage power supply according to claim 1, wherein when the third charging interface in the plurality of charging interfaces is connected to a photovoltaic battery PV panel, the first voltage conversion module further comprises: A third diode, the cathode of the third diode is connected to the charge controller, and the anode of the third diode is connected to the PV panel. 5. The portable energy storage power supply according to any one of claims 1-4, further comprising: A second controllable switch, one end of the second controllable switch is connected to one end of the battery pack and the other end of the first controllable switch respectively, the control end of the second controllable switch is connected to the battery The manager is connected, wherein the control module performs CAN communication with the battery manager after receiving the power-on signal, and the battery manager controls the second controllable switch to close when the battery manager detects that the battery pack is in a normal discharge state, And send out a signal to allow discharge; Multiple discharge interfaces; A second voltage conversion module for converting the voltage of the battery pack into a plurality of preset output voltages for output through the plurality of discharge interfaces, the second voltage conversion module and the second controllable switch The other end is connected to the plurality of discharge interfaces respectively. 6. The portable energy storage power supply according to claim 5, wherein the second voltage conversion module comprises: A DC/AC converter for converting the voltage of the battery pack into a first alternating current and outputting it through a first discharge interface among the plurality of discharge interfaces, one end of the DC/AC converter is connected to the first The other ends of the two controllable switches are connected, and the other end of the DC/AC converter is connected to the first discharge interface; a second DC/DC converter for converting the voltage of the battery pack into a first direct current and outputting it through a second discharge interface among the plurality of discharge interfaces, one end of the second DC/DC converter connected to the other end of the second controllable switch, and the other end of the second DC/DC converter is connected to the second discharge interface; a third DC/DC converter for converting the voltage of the battery pack into a second direct current and outputting it through a third discharge interface among the plurality of discharge interfaces, one end of the third DC/DC converter It is connected to the other end of the second controllable switch, and the other end of the third DC/DC converter is connected to the third discharge interface. 7. The portable energy storage power supply according to claim 5, further comprising: A charging indicator, the charging indicator is connected to the control module, wherein the control module controls the charging indicator to light up when receiving the charging permission signal; A discharge indicator light, the discharge indicator light is connected to the control module, wherein the control module controls the discharge indicator light to light up when receiving the discharge permission signal. 8. The portable energy storage power supply according to claim 5, further comprising: A current sampling module, one end of the current sampling module is connected to one end of the battery pack, and the other end of the current sampling module is connected to the other end of the first controllable switch and one end of the second controllable switch respectively connected, and the sampling output terminal of the current sampling module is connected to the battery manager, wherein the battery manager controls the first controllable switch to be disconnected when detecting abnormal charging or discharging through the current sampling module Or the second controllable switch is turned off, and an abnormal charging signal or an abnormal discharging signal is sent; A fault indicator light, the fault indicator light is connected to the control module, wherein the control module controls the charging controller to stop working and controls the fault indicator light to display a charging abnormal fault when receiving the abnormal charging signal, And the control module controls the fault indicator light to display an abnormal discharge fault when receiving the abnormal discharge signal. 9. The portable energy storage power supply according to claim 1, further comprising: A battery indicator light, the battery indicator light is connected to the control module, wherein the battery manager controls the first controllable switch to turn off when detecting that the battery pack is in a fully charged state or an abnormal state, and sends a stop signal charging signal or abnormal signal, when the control module receives the charging stop signal or abnormal signal, it controls the charging controller to stop working, and controls the battery indicator to display full charge or abnormal fault. 10. The portable energy storage power supply according to claim 5, wherein the first controllable switch and the second controllable switch are relays.

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