Multifunctional metal air fuel cell circuit structure

Abstract

The utility model relates to a multifunctional metal air fuel cell circuit structure which is characterized by comprising a magnesium air cell unit, a boost integrated circuit, a charge-discharge integrated lithium battery management chip, a lithium battery, a boost voltage-stabilizing dust collection circuit and a core MCU (Microprogrammed Control Unit), according to the utility model, the magnesium air battery is applied to each circuit module of the illuminating lamp, and effective and accurate charging and discharging management can be carried out on the lithium battery and the magnesium air battery; the service life of the battery is prolonged, and the energy utilization rate of the battery is maximized, so that the energy consumption is indirectly reduced and the pollution to the environment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal air fuel cell circuit technical field especially relates to a multifunctional metal air fuel cell circuit structure. BACKGROUND

[0002] As a member of metal air battery, magnesium air battery has high open circuit voltage, and magnesium metal has large electrochemical equivalent (2.2Ah / g), only second to lithium and aluminum, but its density is only 1.74g / cm3, less than aluminum hydrogen, therefore, magnesium air fuel cell has high specific energy. At present, the energy density of magnesium air fuel cell has reached 800wh / kg, equivalent to 30 times of lead-acid battery for automobile. Due to these advantages, it has great potential in charging of mobile electronic equipment and long-time lighting.

[0003] But the control circuit of common magnesium air battery, due to the open circuit voltage of battery monomer being 1.45V, the discharge voltage being 1.0V~1.15V, and the terminal voltage being 0.75V, the reference voltage is changed compared with conventional lithium iron phosphate battery and lithium manganese battery. Therefore, how the battery is compatible with the battery management circuit, and the battery can work safely become a technical problem. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a multifunctional metal air fuel cell circuit structure, which can effectively charge and discharge magnesium air fuel cell.

[0005] In order to solve the above technical problem, the technical scheme of the utility model is as follows: a multifunctional metal air fuel cell circuit structure, the innovation point lies in that: including magnesium air battery unit, boost integrated circuit, charge and discharge integrated lithium battery management chip, lithium battery, boost and voltage stabilization dust collection circuit and core MCU;

[0006] The output end of the magnesium air battery unit is connected to the input end of the boost integrated circuit through a wire, and the power generation voltage of the magnesium air battery unit is boosted through the boost integrated circuit; The output end of the boost integrated circuit is connected to the charge and discharge integrated lithium battery management chip; The charge and discharge integrated lithium battery management chip is provided with a USB charging end and a USB discharging end; The charge and discharge integrated lithium battery management chip is connected to the lithium battery, so as to charge the lithium battery with the power generated by the magnesium air battery unit or charge the lithium battery with the power supply connected through the USB charging end; The USB discharging end is used for charging the power stored in the lithium battery externally;

[0007] The output end of the lithium battery is connected to the input end of the boost and voltage stabilization integrated circuit through a wire; The output end of the boost and voltage stabilization integrated circuit is connected to the core MCU through the power consumption monitoring circuit;

[0008] The core MCU is connected with the discharging end through a discharging monitoring circuit to monitor the USB discharging end; an IO input end and an SPI bus are arranged on the core MCU, and a plurality of LED lamp groups and a loudspeaker are further connected to the core MCU.

[0009] Further, the output end of the lithium battery is further connected to the core MCU through a battery capacity monitoring circuit.

[0010] Further, the voltage of the magnesium air battery unit is greater than 2.7V.

[0011] Further, the supply voltage of the lithium battery is 3.2V-4.2V.

[0012] Further, the supply voltage of the USB charging end is 5V; and the input voltage of the core MCU is 5V.

[0013] The utility model has the advantages that:

[0014] 1) The utility model realizes monitoring of each circuit module of the magnesium air battery applied to the lighting lamp, effectively and accurately manages the charging and discharging of the lithium battery and the magnesium air battery, prolongs the service life of the battery, maximizes the energy utilization rate of the battery, and indirectly reduces energy consumption and pollution to the environment. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in detail in combination with the drawings and specific embodiments.

[0016] Figure 1 It is a multifunctional metal air fuel cell circuit structure principle diagram of the utility model. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantage of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.

[0019] As Figure 1The multifunctional metal air fuel cell circuit structure shown comprises a magnesium air battery unit, a boost integrated circuit, a charge-discharge integrated lithium battery management chip, a lithium battery, a boost voltage stabilizing and dust collecting circuit and a core MCU.

[0020] The output end of the magnesium air battery unit is connected to the input end of the boost integrated circuit through a wire, and the power generation voltage of the magnesium air battery unit is boosted through the boost integrated circuit; the output end of the boost integrated circuit is connected to the charge-discharge integrated lithium battery management chip; the charge-discharge integrated lithium battery management chip is provided with a USB charging end and a USB discharging end; the charge-discharge integrated lithium battery management chip is connected to the lithium battery, so as to charge the lithium battery with the power generated by the magnesium air battery unit or charge the lithium battery with a power supply connected to the USB charging end; and the USB discharging end is used to charge an external power supply with the power stored in the lithium battery.

[0021] The output end of the lithium battery is connected to the input end of the boost voltage stabilizing integrated circuit through a wire; and the output end of the boost voltage stabilizing integrated circuit is connected to the core MCU through a power consumption monitoring circuit.

[0022] The core MCU is connected to the discharging end through a discharging monitoring circuit to monitor the USB discharging end; the core MCU is provided with an IO input end and an SPI bus, and the core MCU is further connected to a plurality of LED lamp groups and a loudspeaker.

[0023] The output end of the lithium battery is further connected to the core MCU through a battery capacity monitoring circuit.

[0024] The voltage of the magnesium air battery unit is greater than 2.7V.

[0025] The power supply voltage of the lithium battery is 3.2V-4.2V.

[0026] The power supply voltage of the USB charging end is 5V; and the input voltage of the core MCU is 5V.

[0027] The working principle of the utility model is: the utility model realizes the monitoring of each circuit module of the magnesium air battery applied to the lighting lamp, effectively and accurately manages the charge and discharge of the lithium battery and the magnesium air battery, prolongs the service life of the battery, maximizes the energy utilization rate of the battery, and indirectly reduces the energy consumption and the pollution to the environment.

[0028] The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall into the scope of the utility model claimed.

Claims

1. A multifunctional metal-air fuel cell circuit structure, characterized in that: This includes magnesium-air battery cells, boost integrated circuits, integrated charge-discharge lithium battery management chips, lithium batteries, boost voltage regulator dust collection circuits, and core MCUs; The output terminal of the magnesium-air battery unit is connected to the input terminal of a boost integrated circuit via a wire, which boosts the generated voltage of the magnesium-air battery unit. The output terminal of the boost integrated circuit is connected to a charge-discharge integrated lithium battery management chip. The charge-discharge integrated lithium battery management chip is equipped with a USB charging terminal and a USB discharging terminal. The charge-discharge integrated lithium battery management chip is connected to a lithium battery, enabling the lithium battery to be charged with electrical energy generated by the magnesium-air battery unit or to be charged with a power source via the USB charging terminal. The USB discharging terminal is used to charge the lithium battery with the electrical energy stored in it. The output terminal of the lithium battery is connected to the input terminal of the boost regulator integrated circuit via a wire; the output terminal of the boost regulator integrated circuit is connected to the core MCU via a power consumption monitoring circuit. The core MCU is connected to the discharge terminal through a discharge monitoring circuit to monitor the USB discharge terminal; the core MCU is equipped with an IO input terminal and an SPI bus, and is also connected to several LED groups and a speaker.

2. The multifunctional metal-air fuel cell circuit structure according to claim 1, characterized in that: The output of the lithium battery is also connected to the core MCU via a battery capacity monitoring circuit.

3. The multifunctional metal-air fuel cell circuit structure according to claim 1, characterized in that: The voltage of the magnesium-air battery cell is greater than 2.7V.

4. The multifunctional metal-air fuel cell circuit structure according to claim 1, characterized in that: The lithium battery is supplied with a voltage of 3.2V-4.2V.

5. The multifunctional metal-air fuel cell circuit structure according to claim 1, characterized in that: The power supply voltage of the USB charging terminal is 5V; the input voltage of the core MCU is 5V.

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