Novel low-temperature lithium ion battery pack device for interphone

Abstract

The utility model provides a novel low-temperature lithium ion battery pack device for an interphone, which belongs to the field of battery protection and comprises an interphone provided with a first antenna, a second antenna, a third antenna, a heating device and the like. The interphone is provided with a face shell and a rear shell, and a concave-convex structure is arranged between the face shell and the rear shell. A concave-convex structure is arranged between the front shell and the rear shell, a waterproof rubber ring is arranged between the front shell and the rear shell, the concave-convex structure tightly presses the waterproof rubber ring, and the interphone comprises a host, a lithium ion battery pack and a battery detection device. The problems of short use time, fast capacity reduction, automatic shutdown, battery safety detection and the like of the interphone in severe cold and cold regions are solved, and the durability and the safety are improved.

Description

Technical Field

[0001] This utility model proposes a novel walkie-talkie device using a low-temperature lithium-ion battery pack, belonging to the field of battery protection. Background Technology

[0002] The existing walkie-talkies originally come with two ordinary lithium-ion batteries, which have short standby times and small battery capacities. This results in short usage time, rapid capacity depletion, automatic shutdown, and the batteries failing to function properly in extremely cold conditions. Furthermore, existing walkie-talkies are ill-suited for safety monitoring and early warning systems in extreme environments. Summary of the Invention

[0003] To address the technical problems existing in the prior art, this utility model proposes a novel walkie-talkie using a low-temperature lithium-ion battery pack, the technical features of which are as follows:

[0004] The novel walkie-talkie using a low-temperature lithium-ion battery pack includes a walkie-talkie, which is equipped with a first antenna, a second antenna, and a third antenna; the walkie-talkie is equipped with a front shell and a rear shell, and a concave-convex structure is provided between the front shell and the rear shell; a waterproof rubber ring is provided between the front shell and the rear shell, and the concave-convex structure tightly presses the waterproof rubber ring; the front shell and the rear shell form an outer shell, and an inner shell is simultaneously provided inside the outer shell; a flexible heating film is provided between the outer shell and the inner shell; and a manual switch is provided outside the outer shell.

[0005] Preferably, the flexible heating film is provided with heat dissipation vents, and the flexible heating film is also connected to a temperature control device, with the flexible heating film and the temperature control device being bidirectionally connected.

[0006] The temperature control device includes a backup power supply and a temperature controller. The temperature signal input terminal of the temperature controller is also the temperature signal input terminal of the temperature control device, and the power signal output terminal of the backup power supply is also the power signal output terminal of the temperature control device. The temperature controller is bidirectionally connected to both the flexible heating film and the backup power supply. The manual switch is bidirectionally connected to the temperature controller.

[0007] Preferably, the walkie-talkie includes a main unit, a lithium-ion battery pack, and a battery detection device. The main unit and the lithium-ion battery pack are connected by a latch, and the lithium-ion battery pack and the battery detection device are connected by a wire.

[0008] Preferably, the walkie-talkie housing is connected to a positive electrode and a negative electrode, which are formed together with the housing; a spiral rubber plug is provided on the positive electrode and the negative electrode; the spiral rubber plug is formed together with the locking buckle.

[0009] Preferably, the lithium-ion battery pack is provided with a battery casing, which includes an upper casing and a lower casing, and the upper casing and the lower casing are connected by ultrasonic welding.

[0010] Preferably, the battery detection device includes a sensor group, a microprocessor, a communication module, and an early warning module. The sensor module is connected to the microprocessor via a wire, the microprocessor is connected to the communication module via a wire, and the communication module is connected to the early warning module via a wire. The digital signal output terminal of the sensor group is the digital signal input terminal of the battery detection device, the digital signal output terminal of the communication module is the data signal output terminal of the battery detection module, and the analog signal output terminal of the early warning module is the analog signal output terminal of the battery detection device.

[0011] Preferably, the sensor group includes a current sensor, a voltage sensor, a temperature sensor, and a humidity sensor.

[0012] Preferably, the microprocessor includes a controller and a memory. The controller is the digital signal input terminal of the microprocessor. The controller and the memory are connected by wires. The control signal output terminal of the controller is the control signal output terminal of the microprocessor.

[0013] Preferably, the communication module includes a Bluetooth component and a ZigBee component, wherein the control signal input terminals of the Bluetooth component and the ZigBee component are the control signal input terminals of the communication module, and the control signal output terminals of the Bluetooth component and the ZigBee component are the control signal output terminals of the communication module.

[0014] Preferably, the early warning module includes a buzzer and a vibrator, and the control signal input terminals of the buzzer and the vibrator are the control signal input terminals of the early warning module.

[0015] Preferably, the rated operating voltage of the lithium-ion battery pack is 7.4V, ranging from 6.8V to 8.4V, and the battery capacity is not less than 2500mAh when the cutoff voltage is 6.8V. The operating temperature is -40℃ to 60℃, and the cycle life is within 1000 cycles.

[0016] The beneficial effects of this utility model are as follows: The low-temperature walkie-talkie of this utility model features a large-capacity lithium-ion battery with a long standby time, enabling it to be used in cold regions. This solves the problems of short usage time, rapid capacity degradation, and automatic shutdown of walkie-talkies in extremely cold and cold areas. It improves the emergency communication support capabilities of user units, resolving the difficulty of ensuring emergency communication capabilities with existing walkie-talkie low-temperature lithium-ion battery packs; it also enhances command and communication support capabilities and has the potential for upgrades in related functions and performance.

[0017] This novel walkie-talkie, utilizing a low-temperature lithium-ion battery pack, is small in size, lightweight, and easy to carry. It solves the problems of large size and heavy weight of existing low-temperature lithium-ion battery packs, making them inconvenient to carry. The walkie-talkie is waterproof, suitable for outdoor use, and improves communication capabilities in extremely cold and harsh weather conditions. It addresses the technical problems of poor waterproofing, low adaptability, and weak communication capabilities in extremely cold and harsh weather conditions found in existing walkie-talkie low-temperature lithium-ion battery packs. Furthermore, this invention can collect safety data from the battery pack using a sensor array, control it via a microcontroller, and communicate and issue warnings through a communication module and a warning module. This achieves efficient monitoring of the walkie-talkie and battery in extreme environments, solving the technical problems of difficulty in monitoring and warning of the safety status of low-temperature lithium-ion battery packs in existing walkie-talkies.

[0018] By incorporating a flexible heating film and temperature control device, the existing technology addresses the safety hazard caused by excessively high internal temperatures when heaters are installed inside walkie-talkies, as well as the technical problem of excessively redundant external components and inconvenience when using external heaters. This approach achieves the goal of heating the walkie-talkie to ensure its performance at low temperatures, warming the user's hands and reducing the feeling of coldness, while also improving the safety of heating the walkie-talkie. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the novel walkie-talkie using a low-temperature lithium-ion battery pack according to this utility model.

[0020] Figure 2 This is a schematic diagram of the heating assembly;

[0021] Figure 3 This is a schematic diagram of a battery testing device;

[0022] Figure 4 This is a schematic diagram of the sensor group;

[0023] Figure 5 A schematic diagram of a microprocessor;

[0024] Figure 6 This is a schematic diagram of the communication module;

[0025] Figure 7 This is a schematic diagram of the early warning module.

[0026] Reference numerals in the attached figures (11, waterproof rubber ring; 12, concave-convex structure; 13, battery electrode; 14, lithium-ion battery pack; 16, battery detection device; 17, wire; 18, positive electrode; 19, spiral rubber plug; 21, latch; 22, main unit; 23, third antenna; 24, second antenna; 25, first antenna; 26, upper shell; 27, lower shell; 30, front shell; 31, rear shell; 33, negative electrode; 41, sensor group; 42, communication module; 43, early warning module; 44, microprocessor; 70, outer shell; 71, flexible heating film; 72, inner shell; 73, heat dissipation vent; 74, temperature controller; 75, backup power supply; 76, manual switch). Detailed Implementation

[0027] The present invention will be further described below with reference to specific embodiments, but the present invention is not limited to the embodiments.

[0028] In the description of this utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and "vertical" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; or they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] Furthermore, in the description of this utility model, unless otherwise stated, "multiple", "multiple groups", and "multiple roots" mean two or more.

[0031] Unless otherwise specified, the materials, instruments and methods used in the following embodiments are all conventional materials, instruments and methods in the art and can be obtained through commercial channels.

[0032] Example 1

[0033] This utility model proposes a novel walkie-talkie using a low-temperature lithium-ion battery pack, the overall structure of which is as follows: Figure 1 As shown.

[0034] The novel walkie-talkie uses a low-temperature lithium-ion battery pack device, which includes a walkie-talkie and is equipped with a first antenna 25, a second antenna 24 and a third antenna 23.

[0035] The walkie-talkie is provided with a front cover 30 and a rear cover 31, and a concave-convex structure 12 is provided between the front cover 30 and the rear cover 31.

[0036] A waterproof rubber ring 11 is provided between the front shell 30 and the back shell 31, and the concave-convex structure 12 presses the waterproof rubber ring 11 tightly.

[0037] The outer shell 70 is composed of a front shell 30 and a rear shell 31. An inner shell 72 is synchronously arranged inside the outer shell 70. A flexible heating film 71 is arranged between the outer shell 70 and the inner shell 72. A manual switch 76 is arranged outside the outer shell.

[0038] Preferably, the flexible heating film 71 is provided with a heat dissipation port 73, and the flexible heating film 71 is also connected to a temperature control device, and the flexible heating film 71 and the temperature control device are bidirectionally connected.

[0039] The temperature control device includes a backup power supply 75 and a temperature controller 74. The temperature signal input terminal of the temperature controller 74 is the same as the temperature signal input terminal of the temperature control device, and the power signal output terminal of the backup power supply 75 is the same as the power signal output terminal of the temperature control device. The temperature controller 74 is bidirectionally connected to the flexible heating film 71 and the backup power supply 75, respectively. Figure 2 As shown.

[0040] The manual switch is bidirectionally connected to the temperature controller.

[0041] The walkie-talkie includes a main unit 22, a lithium-ion battery pack 14, and a battery detection device 16. The main unit 22 and the lithium-ion battery pack 14 are connected by a latch 21, and the lithium-ion battery pack 14 and the battery detection device 16 are connected by a wire 17.

[0042] Among them, flexible heating film is an existing technology, which can be resistance wire type flexible heating film, carbon-based material type flexible heating film, metal nanowire type flexible heating film and composite structure type flexible heating film.

[0043] Resistance wire flexible heating films mainly consist of a flexible insulating substrate, resistance wires, and a covering layer. The flexible insulating substrate is typically made of materials such as polyimide (PI) or polyester (PET), which possess good flexibility and insulation properties. The resistance wires are generally made of nickel-chromium alloys or iron-chromium-aluminum alloys, and are evenly distributed on the substrate in a spiral or serpentine pattern, connected to the power source by welding or other methods. The covering layer serves to protect the resistance wires and provide insulation, and is also made of flexible insulating material.

[0044] When an electric current passes through a resistance wire, the electrical energy is converted into heat energy due to the resistance of the wire, thus achieving heating.

[0045] Carbon-based flexible heating films typically use a flexible substrate as a support, on which a carbon-based conductive layer, such as carbon nanotubes, graphene, or carbon paste, is formed through printing or coating. The carbon-based conductive layer can be designed with different patterns to meet various heating requirements. Electrodes are placed on both sides of the conductive layer for connecting to a power source, and finally, a flexible protective layer is applied.

[0046] Carbon-based materials have good electrical and thermal conductivity. When a voltage is applied, free electrons in the carbon-based conductive layer move in a directional manner to generate current. At the same time, due to the resistance of the material, electrical energy is converted into heat energy.

[0047] Metal nanowire flexible heating films are based on flexible substrates. Metal nanowires (such as silver nanowires) are deposited on the substrates using methods such as solution processing and inkjet printing to form a conductive network. Electrodes are placed on both sides of the conductive network and protected by an encapsulation layer to prevent oxidation of the metal nanowires and the influence of the external environment.

[0048] Metal nanowires have excellent electrical conductivity. When current passes through the conductive network, the metal nanowires generate Joule heating, thus achieving the heating function.

[0049] Composite flexible heating films are typically composed of multiple materials. For example, an insulating layer is first coated onto a flexible substrate, then a resistance wire or carbon-based conductive layer is placed on the insulating layer as a heating layer, followed by a thermally conductive layer to accelerate heat transfer, and finally a protective layer is added. Some composite structures also include a heat insulation layer to reduce heat loss in non-heating directions.

[0050] By comprehensively utilizing the properties of different materials, efficient heating and heat management are achieved. The heating layer generates heat, the heat-conducting layer quickly transfers the heat to the heating surface, and the insulation layer reduces heat loss.

[0051] The principle and effect of the above content are as follows: The new walkie-talkie uses a low-temperature lithium-ion battery pack and includes a walkie-talkie. The walkie-talkie is equipped with a first antenna 25, a second antenna 24 and a third antenna 23. The first antenna 25, the second antenna 24 and the third antenna 23 can be used to adjust specific functions of the walkie-talkie.

[0052] The walkie-talkie is provided with a front cover 30 and a rear cover 31, and a concave-convex structure 12 is provided between the front cover 30 and the rear cover 31. The concave-convex structure 12 can make the connection between the front cover 30 and the rear cover 31 tighter, increase the contact area, and press the waterproof rubber ring 11 to make the connection between the front cover 30 and the rear cover 31 tighter and more secure, and the waterproof effect stronger.

[0053] A waterproof rubber ring 11 is provided between the front shell 30 and the back shell 31, and the concave-convex structure 12 presses the waterproof rubber ring 11 tightly.

[0054] The walkie-talkie includes a main unit 22, a lithium-ion battery pack 14, and a battery detection device 16. The main unit 22 and the lithium-ion battery pack 14 are connected by a latch 21, and the lithium-ion battery pack 14 and the battery detection device 16 are connected by a wire 17. The connection of the main unit 22, the lithium-ion battery pack 14, and the battery detection device 16 makes the walkie-talkie device more stable and also enables safe detection and control of the battery pack. The control method is an existing preset detection and control logic.

[0055] By incorporating the flexible heating film 71 and the temperature control device, the existing technology of placing a heater inside the walkie-talkie, which leads to excessively high internal temperatures and poses a safety hazard, is solved. It also solves the technical problem of placing a heater outside the walkie-talkie, which results in excessive redundancy of external components and inconvenience for the user. This technology achieves the goal of heating the walkie-talkie to ensure its performance at low temperatures, warming the user's hands and reducing the feeling of coldness, while also improving the safety of heating the walkie-talkie.

[0056] The present invention adopts a rubber ring for waterproofing, and the front and back shells adopt a concave-convex structure to tightly press the rubber ring; the low-temperature lithium-ion battery pack and the main unit are equipped with a full-circle waterproof rubber ring to partially seal the battery electrode 13 and separate the two electrodes.

[0057] The low-temperature lithium-ion battery pack is secured to the main unit using a locking mechanism.

[0058] The "+" and "-" electrode plates are formed together with the housing in the form of inserts, and the sealing is done with a spiral rubber stopper for waterproofing. The spiral rubber stopper is formed together with the locking buckle.

[0059] The upper and lower casings of the low-temperature lithium-ion battery pack are tightly connected by ultrasonic welding.

[0060] Example 2

[0061] The walkie-talkie's housing is connected to a positive electrode 18 and a negative electrode 33, which are formed together with the housing.

[0062] Spiral rubber plugs 19 are provided on the positive electrode 18 and the negative electrode 33;

[0063] The spiral rubber stopper 19 and the locking buckle 21 are formed together.

[0064] The lithium-ion battery pack 14 is provided with a battery casing, which includes an upper casing 26 and a lower casing 27, and the upper casing 26 and the lower casing 27 are connected by ultrasonic welding.

[0065] The battery detection device 16 includes a sensor group 41, a microprocessor 44, a communication module 42, and an early warning module 43. The sensor module 41 is connected to the microprocessor 44 via a wire 17, the microprocessor 44 is connected to the communication module 42 via a wire 17, and the communication module 42 is connected to the early warning module 43 via a wire 17. The digital signal output terminal of the sensor group 41 is the digital signal input terminal of the battery detection device 16, the digital signal output terminal of the communication module 42 is the data signal output terminal of the battery detection module 16, and the analog signal output terminal of the early warning module 43 is the analog signal output terminal of the battery detection device 16. Figure 3 As shown.

[0066] The sensor group 41 includes a current sensor, a voltage sensor, a temperature sensor, and a humidity sensor, such as... Figure 4 As shown.

[0067] The microprocessor 44 includes a controller and a memory. The controller is the digital signal input terminal of the microprocessor 44. The controller and the memory are connected via wire 17. The control signal output terminal of the controller is the control signal output terminal of the microprocessor 44. Figure 5 As shown.

[0068] The communication module 42 includes a Bluetooth component and a ZigBee component. The control signal input terminals of the Bluetooth component and the ZigBee component are the control signal input terminals of the communication module 42, and the control signal output terminals of the Bluetooth component and the ZigBee component are the control signal output terminals of the communication module 42. Figure 6 As shown.

[0069] The warning module 43 includes a buzzer and a vibrator, and the control signal input terminals of the buzzer and vibrator are the control signal input terminals of the warning module 43, such as... Figure 7 As shown.

[0070] The rated operating voltage of the lithium-ion battery pack is 7.4V, ranging from 6.8V to 8.4V. When the cutoff voltage is 6.8V, the battery capacity is not less than 2500mAh, the operating temperature is -40℃ to 60℃, and the cycle life is within 1000 cycles.

[0071] The principles and effects of the above content are as follows:

[0072] The walkie-talkie's housing is connected to a positive electrode 18 and a negative electrode 33, which are formed together with the housing.

[0073] The co-molded design increases the stability of the connection between the positive and negative electrode plates and the housing, while also improving production efficiency.

[0074] The positive electrode 18 and the negative electrode 33 are provided with spiral rubber plugs 19; the spiral rubber plugs 19 increase the water resistance and stability of the positive and negative electrode sheets.

[0075] The spiral rubber stopper 19 and the locking buckle 21 are formed together. The co-forming arrangement increases the stability of the connection between the spiral rubber stopper 19 and the locking buckle 21, and also improves production efficiency.

[0076] The lithium-ion battery pack 14 is provided with a battery casing, which includes an upper casing 26 and a lower casing 27. The upper casing 26 and the lower casing 27 are connected by ultrasonic welding. Ultrasonic welding can make the connection between the upper casing 26 and the lower casing 27 tighter.

[0077] The battery detection device 16 includes a sensor group 41, a microprocessor 44, a communication module 42, and an early warning module 43. The sensor module 41 is connected to the microprocessor 44 via a wire 17, the microprocessor 44 is connected to the communication module 42 via a wire 17, and the communication module 42 is connected to the early warning module 43 via a wire 17. The digital signal output terminal of the sensor group 41 is the digital signal input terminal of the battery detection device 16, the digital signal output terminal of the communication module 42 is the data signal output terminal of the battery detection module 16, and the analog signal output terminal of the early warning module 43 is the analog signal output terminal of the battery detection device 16.

[0078] The sensor group 41 includes a current sensor, a voltage sensor, a temperature sensor, and a humidity sensor. The sensor group can collect current, voltage, temperature, and humidity data of the battery pack, enabling monitoring of these parameters.

[0079] The microprocessor 44 includes a controller and a memory. The controller is the digital signal input terminal of the microprocessor 44, and the controller and the memory are connected via wire 17. The control signal output terminal of the controller is the control signal output terminal of the microprocessor 44. The controller performs data warning and communication according to preset control rules. For example, it compares the collected data with the battery's factory threshold. When the collected data exceeds the battery's factory threshold, a control signal is sent through the communication module to the warning module for buzzer and vibration warnings. This achieves simple and efficient battery safety detection, and the comparison and control information is stored in the memory.

[0080] The communication module 42 includes a Bluetooth component and a ZigBee component. The control signal input segments of the Bluetooth component and the ZigBee component are the control signal input terminals of the communication module 42, and the control signal output terminals of the Bluetooth component and the ZigBee component are the control signal output terminals of the communication module 42. Control signals are transmitted and communicated through the Bluetooth component and the ZigBee component of the communication module 42.

[0081] The early warning module 43 includes a buzzer and a vibrator, and the control signal input terminals of the buzzer and vibrator are also the control signal input terminals of the early warning module 43. The buzzer and vibrator of the early warning module 43 are used to issue early warnings for abnormal data.

[0082] The rated operating voltage of the lithium-ion battery pack is 7.4V, ranging from 6.8V to 8.4V. When the cutoff voltage is 6.8V, the battery capacity is not less than 2500mAh, the operating temperature is -40℃ to 60℃, and the cycle life is within 1000 cycles.

[0083] All data acquisition, communication, and battery detection control methods involved in the host, lithium-ion battery pack, and battery detection device of this utility model are existing technologies in the field. This utility model does not improve any software programs or methods. This utility model only designs the hardware structure that combines the host, lithium-ion battery pack, and battery detection device. The methods or software programs involved in the hardware structure to achieve the effects or functions of the host, lithium-ion battery pack, and battery detection device are all based on existing methods or software program design books, manuals, or product manuals by those skilled in the art, combined with the functions involved in the principles and effects of this utility model, and can be implemented by writing their own programs.

[0084] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Anyone skilled in the art can make various modifications and alterations without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be determined by the claims.

Claims

1. A novel walkie-talkie using a low-temperature lithium-ion battery pack, characterized in that, The novel walkie-talkie uses a low-temperature lithium-ion battery pack device, which includes a walkie-talkie and is equipped with a first antenna, a second antenna, and a third antenna. The walkie-talkie is provided with a front cover and a rear cover, and a concave-convex structure is provided between the front cover and the rear cover; A waterproof rubber ring is provided between the front shell and the back shell, and the concave-convex structure tightly presses the waterproof rubber ring; The outer shell consists of a front shell and a back shell, and an inner shell is simultaneously installed inside the outer shell. A flexible heating film is installed between the outer shell and the inner shell, and a manual switch is installed outside the outer shell.

2. The novel walkie-talkie using a low-temperature lithium-ion battery pack device according to claim 1, characterized in that, The flexible heating film is provided with heat dissipation vents, and the flexible heating film is also connected to a temperature control device, which is bidirectionally connected to the temperature control device. The temperature control device includes a backup power supply and a temperature controller. The temperature signal input terminal of the temperature controller is the same as the temperature signal input terminal of the temperature control device. The power signal output terminal of the backup power supply is the same as the power signal output terminal of the temperature control device. The temperature controller is bidirectionally connected to the flexible heating film and the backup power supply. The manual switch is bidirectionally connected to the temperature controller.

3. The novel walkie-talkie using a low-temperature lithium-ion battery pack device according to claim 1, characterized in that, The walkie-talkie includes a main unit, a lithium-ion battery pack, and a battery detection device. The main unit and the lithium-ion battery pack are connected by a latch, and the lithium-ion battery pack and the battery detection device are connected by a wire.

4. The novel walkie-talkie using a low-temperature lithium-ion battery pack device according to claim 3, characterized in that, The walkie-talkie's housing is connected to a positive electrode and a negative electrode, which are formed together with the housing. The positive and negative electrode plates are provided with spiral rubber plugs; The spiral plug and the latch are formed together.

5. The novel walkie-talkie using a low-temperature lithium-ion battery pack device according to claim 3, characterized in that, The lithium-ion battery pack is provided with a battery casing, which includes an upper casing and a lower casing, and the upper casing and the lower casing are connected by ultrasonic welding.

6. The novel walkie-talkie using a low-temperature lithium-ion battery pack device according to claim 3, characterized in that, The battery detection device includes a sensor group, a microprocessor, a communication module, and an early warning module. The sensor group is connected to the microprocessor via a wire, the microprocessor is connected to the communication module via a wire, and the communication module is connected to the early warning module via a wire. The digital signal output terminal of the sensor group is the digital signal input terminal of the battery detection device, the digital signal output terminal of the communication module is the data signal output terminal of the battery detection module, and the analog signal output terminal of the early warning module is the analog signal output terminal of the battery detection device.

7. The novel walkie-talkie using a low-temperature lithium-ion battery pack device according to claim 6, characterized in that, The microprocessor includes a controller and a memory. The controller is the digital signal input terminal of the microprocessor. The controller and the memory are connected by wires. The control signal output terminal of the controller is the control signal output terminal of the microprocessor.

8. The novel walkie-talkie using a low-temperature lithium-ion battery pack device according to claim 6, characterized in that, The communication module includes a Bluetooth component and a ZigBee component. The control signal input terminals of the Bluetooth component and the ZigBee component are the control signal input terminals of the communication module, and the control signal output terminals of the Bluetooth component and the ZigBee component are the control signal output terminals of the communication module.

9. The novel walkie-talkie using a low-temperature lithium-ion battery pack device according to claim 6, characterized in that, The early warning module includes a buzzer and a vibrator, and the control signal input terminals of the buzzer and the vibrator are the control signal input terminals of the early warning module.

10. A novel walkie-talkie using a low-temperature lithium-ion battery pack device according to claim 3, characterized in that, The rated operating voltage of the lithium-ion battery pack is 7.4V, ranging from 6.8V to 8.4V. When the cutoff voltage is 6.8V, the battery capacity is not less than 2500mAh, the operating temperature is -40℃ to 60℃, and the cycle life is within 1000 cycles.

Images