Interphone with boosting charging function

Abstract

The utility model discloses an interphone with a boost charging function, which comprises an interphone body, a lithium ion battery pack arranged in the interphone body, and a boost charging circuit for charging the lithium ion battery pack, the boost charging circuit comprises a boost management module, a charging overtime protection module, a charging NTC temperature protection module, an input protection module and an output protection module, and one end of the boost module is connected with one end of the boost management module. The charging overtime protection module, the charging temperature protection module, the output protection module and the input protection module are all connected with the other end of the boost management module, the boost management module is used for increasing the charging voltage of the lithium ion battery pack, and the boost management module comprises a boost chip connected with a TYPE-C charging port. The charging overtime protection module is used for monitoring and controlling the charging time, and the charging NTC temperature protection module is used for monitoring and controlling the charging temperature.

Description

Technical Field

[0001] The utility model relates to the technical field of interphones, in particular to an interphone with self-boosting charging. Background Art

[0002] Traditionally, lithium-ion battery packs for two-way radios are charged through a charger. Usually, the charger for two-way radios charges the lithium-ion battery pack in step-down mode, that is, the charger input voltage is 12V and the output voltage is 8.4V. Such charging methods require standard switching power supplies and chargers, which increase product costs and after-sales quantity, and have poor versatility, thereby reducing the convenience of charging. Utility Model Content

[0003] The utility model aims to provide a walkie-talkie with self-contained boost charging to solve the above-mentioned problem.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A walkie-talkie with built-in boost charging comprises a walkie-talkie body, a lithium-ion battery pack arranged in the walkie-talkie body, and a boost charging circuit for charging the lithium-ion battery pack, wherein the boost charging circuit comprises a boost management module, a charging timeout protection module, a charging NTC temperature protection module, an input protection module and an output protection module, one end of the boost module is connected to one end of the boost management module, the charging timeout protection module, the charging temperature protection module, the output protection module and the input protection module are all connected to the other end of the boost management module, the boost management module is used to increase the charging voltage of the lithium-ion battery pack, the boost management module comprises a boost chip connected to a TYPE-C charging port, the charging timeout protection module is used to monitor and control the charging time, the charging NTC temperature protection module is used to monitor and control the charging temperature, the input protection module is used to adjust the input current and voltage, and the output protection module is used to adjust the output current and voltage.

[0006] Preferably, the input protection module includes an input overvoltage unit, an undervoltage protection unit and an automatic input current adjustment unit. The input overvoltage unit is used to timely monitor the overvoltage condition of the charging circuit and cut off the charging connection to prevent the lithium-ion battery pack from operating in a high voltage environment for a long time. The undervoltage protection unit is used to stop power supply in time when the charging voltage is too low to protect the safety of the lithium-ion battery pack. The automatic input current adjustment unit is used to automatically adjust the input current of the charging circuit according to the circuit and battery status.

[0007] Preferably, the output protection module comprises an output overcurrent unit and an output overvoltage unit, the output overcurrent unit is used to limit the output current of the lithium-ion battery pack, and the output overvoltage unit is used to limit the output voltage of the lithium-ion battery pack.

[0008] Preferably, a short-circuit protection module is also included, and the short-circuit protection module is used to cut off the output in time when a short circuit occurs in the boost charging circuit to avoid overload and damage risks.

[0009] Preferably, it also includes an adaptive adapter load module, and the adaptive adapter load module is used to intelligently adjust the charging current and adaptively adjust the adapter load.

[0010] Preferably, it further comprises a charging indication module, and the charging indication module is used to monitor and indicate the charging state of the lithium-ion battery pack.

[0011] After adopting the above technical solution, the utility model has the following advantages compared with the background technology:

[0012] The utility model provides a walkie-talkie with built-in boost charging, which does not require a standard charger and a switching power supply. It can be directly charged by connecting a 5V switching power supply with a TYPE-C male connector or a 5V power supply such as a mobile power supply to the TYPE-C charging port of the walkie-talkie. Charging is more convenient and more diversified, and a plurality of protection modules are arranged in the boost charging circuit to ensure the safety of the boost charging. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the structural diagram of the utility model;

[0014] Figure 2 This is the circuit diagram of the utility model. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0016] It should be noted that in the present invention, the terms "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element of the present invention must have a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0017] Example

[0018] Please refer to Figure 1 to Figure 2As shown, the utility model discloses a walkie-talkie with built-in boost charging, comprising an intercom body, a lithium-ion battery pack arranged in the intercom body, and a boost charging circuit for charging the lithium-ion battery pack, the boost charging circuit comprising a boost management module, a charging timeout protection module, a charging NTC temperature protection module, an input protection module and an output protection module, one end of the boost module is connected to one end of the boost management module, the charging timeout protection module, the charging temperature protection module, the output protection module and the input protection module are all connected to the other end of the boost management module, the boost management module is used to increase the charging voltage of the lithium-ion battery pack, the boost management module comprises a boost chip connected to a TYPE-C charging port, the charging timeout protection module is used to monitor and control the charging time, the charging NTC temperature protection module is used to monitor and control the charging temperature, the input protection module is used to adjust the input current and voltage, and the output protection module is used to adjust the output current and voltage.

[0019] The input protection module includes an input overvoltage unit, an undervoltage protection unit and an automatic input current adjustment unit. The input overvoltage unit is used to timely monitor the overvoltage situation of the charging circuit and cut off the charging connection to prevent the lithium-ion battery pack from operating in a high-voltage environment for a long time. The undervoltage protection unit is used to stop power supply in time when the charging voltage is too low to protect the safety of the lithium-ion battery pack. The automatic input current adjustment unit is used to automatically adjust the input current of the charging circuit according to the circuit and battery status.

[0020] The output protection module includes an output overcurrent unit and an output overvoltage unit. The output overcurrent unit is used to limit the output current of the lithium-ion battery pack, and the output overvoltage unit is used to limit the output voltage of the lithium-ion battery pack.

[0021] It also includes a short-circuit protection module, which is used to cut off the output in time when a short circuit occurs in the boost charging circuit to avoid overload and damage risks.

[0022] It also includes an adaptive adapter load module, which is used to intelligently adjust the charging current and the adaptive adapter load.

[0023] The charging indicator module is also included, and the charging indicator module is used to monitor and indicate the charging status of the lithium-ion battery pack. During the charging process, the red light is always on, and when the indicator light turns to a green light, it indicates that the lithium-ion battery pack is fully charged.

[0024] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A walkie-talkie with built-in boost charging, comprising a walkie-talkie body, a lithium-ion battery pack arranged in the walkie-talkie body, and a boost charging circuit for charging the lithium-ion battery pack, characterized in that: The boost charging circuit includes a boost management module, a charging timeout protection module, a charging NTC temperature protection module, an input protection module and an output protection module. The charging timeout protection module, the charging temperature protection module, the output protection module and the input protection module are all connected to the boost management module. The boost management module is used to increase the charging voltage of the lithium-ion battery pack. The boost management module includes a boost chip connected to a TYPE-C charging port. The charging timeout protection module is used to monitor and control the charging time. The charging NTC temperature protection module is used to monitor and control the charging temperature. The input protection module is used to adjust the input current and voltage. The output protection module is used to adjust the output current and voltage.

2. A walkie-talkie with built-in boost charging as claimed in claim 1, characterized in that: The input protection module includes an input overvoltage unit, an undervoltage protection unit and an automatic input current adjustment unit. The input overvoltage unit is used to timely monitor the overvoltage condition of the charging circuit and cut off the charging connection to prevent the lithium-ion battery pack from operating in a high-voltage environment for a long time. The undervoltage protection unit is used to stop power supply in time when the charging voltage is too low to protect the safety of the lithium-ion battery pack. The automatic input current adjustment unit is used to automatically adjust the input current of the charging circuit according to the circuit and battery status.

3. A walkie-talkie with built-in boost charging as claimed in claim 1, characterized in that: The output protection module includes an output overcurrent unit and an output overvoltage unit. The output overcurrent unit is used to limit the output current of the lithium-ion battery pack, and the output overvoltage unit is used to limit the output voltage of the lithium-ion battery pack.

4. A walkie-talkie with built-in boost charging as claimed in claim 1, characterized in that: It also includes a short-circuit protection module, which is used to cut off the output in time when a short circuit occurs in the boost charging circuit to avoid overload and damage risks.

5. The intercom with self-contained boost charging as claimed in claim 1, characterized in that: It also includes an adaptive adapter load module, which is used to intelligently adjust the charging current and the adaptive adapter load.

6. A walkie-talkie with built-in boost charging as claimed in claim 1, characterized in that: It also includes a charging indication module, which is used to monitor and indicate the charging state of the lithium-ion battery pack.

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