Unmanned aerial vehicle battery management equipment

Abstract

The utility model provides an unmanned aerial vehicle battery management device which comprises a shell, and a master control and peripheral circuit, an unmanned aerial vehicle battery management module, a built-in lithium battery, a management circuit of the built-in lithium battery and a constant temperature control system are arranged in the shell. The master control and peripheral circuit comprises a master control MCU, a NET communication circuit, a display screen and a buzzer. The unmanned aerial vehicle battery management module comprises a battery management MCU, an unmanned aerial vehicle battery communication circuit, an aluminum shell resistor, a two-way relay and a one-way relay. The built-in lithium battery and management circuit comprises a lithium battery, a lithium battery charging circuit, a lithium battery protection circuit and a lithium battery booster circuit. Through automatic discharging and charging functions, the battery of the unmanned aerial vehicle is maintained in a safe electric quantity range in the transportation and storage process, the battery is prevented from being over-discharged, and the service life of the battery is prolonged; through the automatic constant temperature function, the battery of the unmanned aerial vehicle is maintained in a proper temperature range in the transportation and storage process, and the service life of the battery is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery management, and in particular relates to a battery management device for an unmanned aerial vehicle. Background Art

[0002] With the widespread application of drone technology, the management of drone batteries has become increasingly important. During transportation and storage, the battery power and temperature control directly affect its safety and service life. Existing drone battery management equipment has the following problems:

[0003] Imperfect power management: Existing equipment lacks intelligent power management functions, and batteries are prone to high power storage or over-discharge during storage and transportation, which affects battery life.

[0004] Unstable temperature control system: Existing equipment rarely has a temperature control system, which makes it difficult to maintain a suitable temperature for the battery, resulting in battery performance degradation or damage. Utility Model Content

[0005] In view of this, the utility model aims to overcome the shortcomings of the above-mentioned problems in the prior art and proposes a drone battery management device to ensure the safety and reliability of the battery during transportation and storage.

[0006] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0007] A drone battery management device comprises a housing, wherein a main control and peripheral circuits, a drone battery management module, a built-in lithium battery and its management circuit, and a constant temperature control system are arranged in the housing; the main control and peripheral circuits are respectively connected to the drone battery management module, the built-in lithium battery and its management circuit, and the constant temperature control system;

[0008] The main control and peripheral circuits include a main control MCU, a NET communication circuit, an OLED display screen and a buzzer;

[0009] The drone battery management module includes a battery management MCU, a drone battery communication circuit, an aluminum shell resistor, a dual-channel relay and a single-channel relay; the battery management MCU is connected to the drone battery through the drone battery communication circuit, the battery management MCU is also connected to the dual-channel relay and the single-channel relay respectively, the single-channel relay is also connected to the dual-channel relay and the drone battery respectively, and the dual-channel relay is also connected to the aluminum discharge battery; the battery management MCU is connected to the main control MCU;

[0010] The built-in lithium battery and its management circuit include a lithium battery, a lithium battery charging circuit, a lithium battery protection circuit, and a lithium battery boost circuit. The lithium battery is used to charge the drone battery and provide energy for the constant temperature control system. The lithium battery charging circuit, the lithium battery protection circuit, and the lithium battery boost circuit are all connected to the lithium battery; the lithium battery boost circuit is also connected to a dual-channel relay; the lithium battery is connected to the main control MCU;

[0011] The constant temperature control system includes a first temperature sensor arranged in the drone management device, a second temperature sensor arranged outside the drone management device, a first relay, a second relay and a semiconductor refrigeration plate. The first temperature sensor, the second temperature sensor, the first relay and the second relay are all connected to the main control MCU, the second relay is connected to the semiconductor refrigeration plate, and the semiconductor refrigeration plate is also connected to the first temperature sensor.

[0012] Furthermore, the NET communication circuit, OLED display screen and buzzer are all electrically connected to the main control MCU.

[0013] Furthermore, the battery management MCU controls the charging and discharging of the drone battery by switching the status of the single-channel relay and the dual-channel relay.

[0014] Furthermore, the main control MCU switches the positive and negative polarities through the first relay and the second relay to control the semiconductor refrigeration plate to work in cooling and heating modes.

[0015] Furthermore, the main control MCU realizes remote access control through the NET communication circuit.

[0016] Compared with the prior art, the drone battery management device described in the utility model has the following advantages:

[0017] The utility model ensures that the drone battery is kept within a safe power range during transportation and storage through automatic discharge and charging functions, prevents overcharging and over-discharging of the battery, and prolongs the battery life;

[0018] The utility model has a built-in constant temperature control system, which uses a thermocouple temperature sensor and a semiconductor refrigeration sheet to start heating when the temperature is lower than the set temperature, and start cooling when the temperature is higher than the set temperature, ensuring that the battery is within a suitable temperature range, improving battery performance and safety;

[0019] The utility model has multiple built-in battery protection circuits to ensure the safety of the battery under various working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0021] Figure 1 This is a principle block diagram of a UAV battery management device of the utility model;

[0022] Figure 2 This is a schematic diagram of the principle of the UAV battery management module of the utility model;

[0023] Figure 3 This is a circuit diagram of the battery management MCU of the drone battery management module of the utility model;

[0024] Figure 4 A circuit diagram of a battery management UAV battery communication circuit of a UAV battery management module of the utility model;

[0025] Figure 5 The circuit diagram of the single-circuit relay and the double-circuit relay of the drone battery management module of the utility model;

[0026] Figure 6 This is the built-in lithium battery and its management circuit diagram of the utility model;

[0027] Figure 7 This is a schematic diagram of the principle of the constant temperature control system of the utility model;

[0028] Figure 8 This is a circuit diagram of the constant temperature control system of the utility model;

[0029] Fig. 9 This is a schematic diagram of the main control and peripheral circuit principles of the utility model;

[0030] Fig.10 A circuit diagram of the main control MCU of the main control and peripheral circuits of the utility model;

[0031] Fig.11 The circuit diagram of the OLED display screen of the main control and peripheral circuits of the utility model;

[0032] Fig.12 A circuit diagram of a buzzer for the main control and peripheral circuits of the utility model;

[0033] Fig.13 The utility model is a circuit diagram of the NET communication circuit. DETAILED DESCRIPTION

[0034] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0035] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0037] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0038] like Figure 1 As shown, the utility model provides a drone battery management device, including a shell, in which a main control and peripheral circuits, a drone battery management module, a built-in lithium battery and its management circuit, and a constant temperature control system are arranged; the main control and peripheral circuits are respectively connected to the drone battery management module, the built-in lithium battery and its management circuit, and the constant temperature control system;

[0039] like Figure 2-Figure 5 As shown, the drone battery management module includes a battery management MCU, a drone battery communication circuit, an aluminum shell resistor, a dual-channel relay, and a single-channel relay. The battery management MCU is connected to the drone battery through the drone battery communication circuit. The battery management MCU is also connected to the dual-channel relay and the single-channel relay respectively. The single-channel relay is also connected to the dual-channel relay and the drone battery respectively. The dual-channel relay is also connected to the aluminum discharge battery. The main control MCU communicates with the battery management MCU to read the real-time status of the drone battery.

[0040] The battery management MCU reads the drone battery power through the drone battery communication circuit, and determines whether the battery needs to be charged, discharged or maintained based on the power. When the drone battery power is lower than the set value (such as 20%), the single-channel relay is controlled to open, and the dual-channel relay is switched to the 25V lithium battery boost circuit to charge the drone battery. When the power is higher than the set value (such as 50%), the single-channel relay is disconnected to stop charging. When the drone battery power is higher than the set value (such as 70%), the single-channel relay is controlled to open, and the dual-channel relay is switched to the aluminum shell resistor to discharge the drone battery, and the single-channel relay is disconnected to stop discharging when the power is lower than the set value (such as 50%). The utility model regulates the battery voltage through the battery management MCU to ensure that the battery power is maintained in a suitable storage range, and automatically controls the charging and discharging of the drone battery by switching the relay state.

[0041] like Figure 6 As shown, the built-in lithium battery and its management circuit include a lithium battery, a lithium battery charging circuit, a lithium battery protection circuit, and a lithium battery boost circuit. The lithium battery is used to charge the drone battery and provide energy for the constant temperature control system. The lithium battery charging circuit, the lithium battery protection circuit, and the lithium battery boost circuit are all connected to the lithium battery, and the lithium battery boost circuit is also connected to a dual-channel relay. The main control MCU is connected to the lithium battery to monitor the power of the built-in lithium battery.

[0042] The lithium battery is used to charge the drone battery and provide energy for the constant temperature system. The lithium battery charging circuit is used to charge the lithium battery built into the device with constant voltage and constant current to ensure that it can stably control the voltage and current required for charging the lithium battery. The lithium battery protection circuit is used to protect the lithium battery from overcharging, over-discharging and short-circuiting to ensure safe operation of the battery. The lithium battery boost circuit is used to boost the voltage of the built-in lithium battery to the 25V voltage required for charging the drone battery.

[0043] The internal voltage detection circuit of the lithium battery protection chip (DW01V) monitors the voltage of the lithium battery, and the internal current detection circuit monitors the charge and discharge current of the lithium battery. When the battery voltage or current exceeds the set threshold, the protection chip will trigger the corresponding protection mechanism, such as overcharge protection, over-discharge protection, overcurrent protection, etc., to protect the lithium battery from damage.

[0044] like Figure 7-Figure 8 As shown, the constant temperature control system includes a first temperature sensor arranged in the drone management device, a second temperature sensor arranged outside the drone management device, a first relay, a second relay and a semiconductor refrigeration chip. The first temperature sensor, the second temperature sensor, the first relay and the second relay are all connected to the main control MCU, the second relay is connected to the semiconductor refrigeration chip, and the semiconductor refrigeration chip is also connected to the first temperature sensor.

[0045] The main control MCU drives 2 relays. The first relay controls the power on and off of the semiconductor refrigeration chip to control whether cooling or heating is needed. The second relay switches the positive and negative polarity of the semiconductor refrigeration chip to achieve cooling and heating for temperature adjustment. The 2-way thermocouple temperature sensor feeds back the temperature inside the battery management device and the ambient temperature outside the battery management device to the main control MCU in real time. Specifically, the main control MCU reads the temperature of the 2-way temperature sensor, and identifies 3 states according to the set temperature target value and the 2-way temperature difference: stop control, cooling or heating. If stop control is required, disconnect the first relay. If cooling or heating is required, open the first relay and switch the second relay to control cooling or heating to ensure that the battery is always stored in an appropriate temperature range.

[0046] like Figure 9-13 As shown, the main control and peripheral circuits include a main control MCU, a NET communication circuit, an OLED display screen and a buzzer. The main control MCU is responsible for overall control. Remote access control can be achieved through the NET communication circuit. The OLED is controlled to display the battery power, built-in battery power, temperature information, etc. of the drone. The main control MCU realizes the alarm function and drives the buzzer to emit an alarm sound to prompt the user to handle it in time.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A drone battery management device, comprising a housing, characterized in that: The housing is provided with a main control and peripheral circuit, a drone battery management module, a built-in lithium battery and its management circuit, and a constant temperature control system; the main control and peripheral circuit are respectively connected to the drone battery management module, the built-in lithium battery and its management circuit, and the constant temperature control system; The main control and peripheral circuits include a main control MCU, a NET communication circuit, an OLED display screen and a buzzer; The drone battery management module includes a battery management MCU, a drone battery communication circuit, an aluminum shell resistor, a dual-channel relay and a single-channel relay; the battery management MCU is connected to the drone battery through the drone battery communication circuit, the battery management MCU is also connected to the dual-channel relay and the single-channel relay respectively, the single-channel relay is also connected to the dual-channel relay and the drone battery respectively, and the dual-channel relay is also connected to the aluminum shell resistor; the battery management MCU is connected to the main control MCU; The built-in lithium battery and its management circuit include a lithium battery, a lithium battery charging circuit, a lithium battery protection circuit, and a lithium battery boost circuit. The lithium battery is used to charge the drone battery and provide energy for the constant temperature control system. The lithium battery charging circuit, the lithium battery protection circuit, and the lithium battery boost circuit are all connected to the lithium battery; the lithium battery boost circuit is also connected to a dual-channel relay; the lithium battery is connected to the main control MCU; The constant temperature control system includes a first temperature sensor arranged in the drone management device, a second temperature sensor arranged outside the drone management device, a first relay, a second relay and a semiconductor refrigeration plate. The first temperature sensor, the second temperature sensor, the first relay and the second relay are all connected to the main control MCU, the second relay is connected to the semiconductor refrigeration plate, and the semiconductor refrigeration plate is also connected to the first temperature sensor.

2. The UAV battery management device according to claim 1, characterized in that: The NET communication circuit, OLED display screen and buzzer are all electrically connected to the main control MCU.

Images