Multi-specification voltage power supply logic circuit and circuit protection board

Abstract

The utility model provides a multi-specification voltage power supply logic circuit and a circuit protection board. The circuit comprises a battery module, a processor, a battery detection module and an adapter detection module. The processor comprises two signal ports which are respectively connected with the battery detection module and the adapter detection module, the battery detection module is also connected with the battery module and can receive the battery voltage, and through the circuit design, the processor can judge whether the adapter is connected or not and can also judge whether the battery supplies power or not; and acquiring information of a battery for supplying power. According to the multi-specification voltage power supply logic circuit, the multi-specification voltage power supply logic circuit and the circuit protection board, power supply of batteries of various voltage specifications can be achieved, the requirements of a user for the various voltage specifications are met, the multi-specification voltage power supply logic circuit can judge a power supply, the safety of a circuit system is guaranteed, and the practicability is high. And the user is helped to know the information of the battery for supplying power and the residual electric quantity.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of electronic circuits, in particular to a multi-specification voltage power supply logic circuit and a circuit protection board. BACKGROUND

[0002] In modern portable devices, the performance and design of the battery are crucial because these devices often need to run for a long time and support various functions. Users have various requirements for batteries, so multiple factors need to be considered when selecting a battery, such as the number of battery cells, the voltage of the battery, and the maximum charge and discharge current.

[0003] In the prior art, portable devices are generally powered by an adapter or a single battery, but in the use of the functions of the portable device, there may be cases where the required power supply voltage is inconsistent. Powering by an adapter or a single battery cannot achieve the output of multiple power supply voltages, which will affect the use of the portable device.

[0004] Although there are various voltage output power supply circuits on the market at present, it is not possible to determine the source of the currently used power supply voltage, and the user cannot determine the information and remaining capacity of the battery currently being powered, which can easily cause the system of the device to become chaotic. CONTENT OF THE INVENTION

[0005] To solve the above technical problems, the present application provides a multi-specification voltage power supply logic circuit and a circuit protection board.

[0006] In a first aspect, the present application provides a multi-specification voltage power supply logic circuit, which comprises:

[0007] a processor, an adapter detection module, a battery module, and a battery detection module.

[0008] The processor comprises a first signal port and a second signal port, the first signal port is connected to the output end of the adapter detection module, and the second signal port is connected to the output end of the battery detection module.

[0009] With this circuit design, the first signal port is used to detect whether the adapter is connected, and the second signal port is used to detect whether the battery is powered on and which battery is powered on.

[0010] Further, the adapter detection module comprises a resistor R43, a resistor R44, a resistor R45, a resistor R101, and a triode Q5.

[0011] Further, the adapter detection module further comprises:

[0012] One end of the resistor R101 is connected to the first power supply, and the other end is grounded.

[0013] One end of the resistor R43 is connected with the first voltage, and the other end is connected with the resistor R44 and the base of the transistor Q5.

[0014] One end of the resistor R44 is connected with the resistor R43, and the other end is grounded.

[0015] The base of the transistor Q5 is connected with the resistor R43, the emitter of the transistor Q5 is grounded, and the collector of the transistor Q5 is connected with the resistor R45 and the first signal port of the processor.

[0016] One end of the resistor R45 is connected with the collector of the transistor Q5, and the other end is connected with the second power supply.

[0017] Through this circuit design, when the adapter detection module detects that the adapter is connected, it sends a corresponding signal to the processor, thereby helping the circuit system to determine whether the adapter is powered.

[0018] Further, the battery detection module comprises a voltage dividing resistor R37, a voltage dividing resistor R38 and a capacitor C66.

[0019] Further, the battery detection module comprises:

[0020] One end of the resistor R37 is connected with the output end of the battery module, and the other end is connected with the resistor R38 and the second signal port of the processor.

[0021] One end of the resistor R38 is connected with the resistor R37, and the other end is grounded.

[0022] One end of the capacitor C66 is connected with the resistor R37, and the other end is grounded.

[0023] Through this circuit design, the processor receives the voltage after voltage division, and can determine whether the power supply at this time is a battery, and the specific type of the power supply battery.

[0024] Further, the battery module comprises at least two different battery groups.

[0025] Through this circuit design, the circuit system can realize power supply of multiple voltage specifications.

[0026] Further, the battery module further comprises a fault detection pin, and the fault detection pin is connected with the processor.

[0027] When the battery sends a fault, the level signal of the fault detection pin will change, and after the processor receives the change of the level signal, the battery will be disabled.

[0028] Further, the multi-specification voltage power supply logic circuit further comprises a display module, which receives a display signal of the processor.

[0029] Through the circuit design, the display module can display the information of the battery used by the circuit and the remaining power, which can help the user of the circuit system to determine the battery power and charge in time.

[0030] In the second aspect, the utility model provides a circuit protection board, circuit protection board includes: first aspect multi-specification voltage power supply logic circuit and circuit substrate, multi-specification voltage power supply logic circuit is integrated on the circuit substrate.

[0031] To sum up, the application provides a multi-specification voltage power supply logic circuit and a circuit protection board, the circuit provided by the application comprises a battery module, a processor, a battery detection module and an adapter detection module; the processor comprises two signal ports connected with the battery detection module and the adapter detection module respectively, the battery detection module is further connected with the battery module and can receive the battery voltage, through the circuit design, the processor can determine whether the adapter is connected, the processor can also determine whether the battery is powered and obtain the information of the battery powered.

[0032] Compared with the prior art, the application has at least the following beneficial effects:

[0033] The multi-specification voltage power supply logic circuit and the circuit protection board provided by the application can realize power supply of multiple voltage specifications, meet the needs of users for multiple voltage specifications, and the multi-specification voltage power supply logic circuit can also determine the power supply, ensure the safety of the circuit system, and help the user to know the information of the battery powered and the remaining power. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is a multi-specification voltage power supply logic circuit for multiple voltage specification batteries provided by the utility model.

[0035] Figure 2 It is an adapter detection module provided by the utility model.

[0036] Figure 3 It is a battery detection module provided by the utility model.

[0037] Figure 4 It is a battery module provided by the utility model. DETAILED DESCRIPTION

[0038] With reference to the drawings and the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0039] Embodiment one:

[0040] As shown in the accompanying Figure 1 The present application provides a multi-specification voltage supply logic circuit, which comprises:

[0041] a processor, an adapter detection module, a battery module and a battery detection module.

[0042] The processor comprises a first signal port and a second signal port, the first signal port is connected to the output end of the adapter detection module, and the second signal port is connected to the output end of the battery detection module.

[0043] In the embodiment of the present application, the first signal port is used to detect the power supply state of the adapter. When the adapter is connected, the first signal port will detect a high-level signal.

[0044] The second signal port is used to detect the power supply state of the battery. The voltage value detected by the second signal port is divided according to the number of strings of the battery and the voltage range of the battery, to obtain different voltage values.

[0045] In the embodiment of the present application, the adapter detection module further comprises: Figure 2

[0046] One end of the resistor R101 is connected to the first power supply, and the other end is grounded.

[0047] One end of the resistor R43 is connected to the first voltage, and the other end is connected to the resistor R44 and the base of the triode Q5.

[0048] One end of the resistor R44 is connected to the resistor R43, and the other end is grounded.

[0049] The base of the triode Q5 is connected to the resistor R43, the emitter of the triode Q5 is grounded, and the collector of the triode Q5 is connected to the resistor R45 and the first signal port of the processor.

[0050] One end of the resistor R45 is connected to the collector of the triode Q5, and the other end is connected to the second power supply.

[0051] ​When the adapter detection module detects the adapter connection, a corresponding signal is sent to the processor, so as to help the circuit system to judge whether the adapter is powered.

[0052] When the adapter is connected, the triode Q5 is turned on, the adapter detection module sends a high level to the processor, and the processor judges that the adapter is connected.

[0053] In the embodiment of the utility model, optionally, as shown in the accompanying drawings, Figure 3 The battery detection module comprises a voltage dividing resistor R37, a voltage dividing resistor R38 and a capacitor C66.

[0054] In the embodiment of the utility model, optionally, the battery detection module comprises:

[0055] One end of the resistor R37 is connected to the output end of the battery module, and the other end is connected to the resistor R38 and the second signal port of the processor.

[0056] One end of the resistor R38 is connected to the resistor R37, and the other end is grounded.

[0057] One end of the capacitor C66 is connected to the resistor R37, and the other end is grounded.

[0058] The processor receives the voltage after voltage division, and can judge whether the power supply is a battery and the specific type of the power supply battery.

[0059] In the embodiment of the utility model, optionally, the battery module comprises at least two different battery groups.

[0060] Through the circuit design, the circuit system can realize power supply of multiple voltage specifications.

[0061] In the embodiment of the utility model, optionally, the battery module further comprises a fault detection pin, and the fault detection pin is connected to the processor.

[0062] When the battery sends a fault, the level signal of the fault detection pin will change, and after the processor receives the change of the level signal, the battery will be disabled.

[0063] In the embodiment of the utility model, optionally, the multi-specification voltage power supply logic circuit further comprises a display module, and the display module receives the display signal of the processor.

[0064] Through the circuit design, the display module can display the information of the battery used by the circuit and the remaining power, which can help the user of the circuit system to judge the battery power and charge in time.

[0065] Through the circuit design in the above embodiment, the multi-specification voltage power supply logic circuit can effectively complete power supply detection, and the specific implementation is as follows.

[0066] In the embodiment of the utility model, the two kinds of batteries used are 3S battery and 5S battery, the 3S battery is 3 series, 18650 battery is 3V-4.2V, and 3 series is 9-12.6V; the 5S battery is 5 series, 18650 battery is 3V-4.2V, and 5 series is 15V-21V.

[0067] As shown in the accompanying Figure 4 As shown in the accompanying

[0068] The battery detection module receives the voltage delivered by the battery module, and after voltage division, delivers to the ADC3 port of the processor, and the processor judges the battery usage according to the received voltage value, and the specific rules are as follows:

[0069] For 3 series battery, the detected voltage range is 0.818V-1.145V.

[0070] For 5 series battery, the detected voltage range is 1.364V-1.909V.

[0071] Because of the voltage difference between 3 series and 5 series batteries, there is an empty voltage between the full voltage of 3S and the low voltage of 5S, and the processor uses this position to judge the full voltage of 3S and the low voltage of 5S, and also uses this position to judge whether it is 3S battery or 5S battery.

[0072] When the processor detects the voltage of 0.818V, it is judged as 3S battery, and at this time, it is in low power state, and the processor closes the circuit system to protect the battery.

[0073] When the processor detects the voltage of 1.145V, it is judged as 3S battery, and at this time, it is in full power state.

[0074] When the processor detects the voltage of (0.818V-1.145V), it is judged as 3S battery, and it is in normal state.

[0075] When the processor detects the voltage of 1.364V, it is judged as 5S battery, and at this time, it is in low power state, and the processor closes the circuit system to protect the battery.

[0076] When the processor detects the voltage of 1.909, it is judged as 5S battery, and at this time, it is in full power state.

[0077] When the processor detects a voltage between 1.364V and 1.909V, it determines that the battery is a 5S battery and is in normal condition.

[0078] In an embodiment of the present invention, optionally, the processor may also send the detected battery information and power information to the display module, and the display module may synchronously display the battery information and power information used at the time.

[0079] Example 2:

[0080] The utility model provides a circuit protection board, comprising: the circuit protection board comprises: the multi-specification voltage power supply logic circuit described in embodiment 1, and a circuit substrate, wherein the multi-specification voltage power supply logic circuit is integrated on the circuit substrate.

[0081] The printed circuit board (PCB) is a key component in electronic devices, providing physical support for electronic components and enabling electrical connections. Its primary function is to transmit electrical signals to various electronic components and ensure they function correctly as designed.

[0082] In summary, the present application proposes a multi-specification voltage power supply logic circuit and circuit protection board. The circuit proposed in the present application includes a battery module, a processor, a battery detection module and an adapter detection module; the processor includes two signal ports, which are respectively connected to the battery detection module and the adapter detection module. The battery detection module is also connected to the battery module and can receive the battery voltage. Through the circuit design, the processor can determine whether the adapter is connected, and the processor can also determine whether the battery is supplying power, and obtain the information of the battery supplying power. The processor can also send the information of the battery supplying power to the display module for synchronous display. The multi-specification voltage power supply logic circuit and circuit protection board proposed in the present application can realize power supply by batteries of multiple voltage specifications, meeting the user's needs for multiple voltage specifications, and the multi-specification voltage power supply logic circuit can also determine the power supply source, ensure the safety of the circuit system, and help the user know the information of the battery supplying power and the remaining power.

[0083] In several embodiments provided in the present application, it is understood that each box in the flow chart or block diagram can represent a part of a module, program segment or code, and the part of the module, program segment or code contains one or more executable instructions for realizing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the box can also occur in an order different from that marked in the accompanying drawings. For example, two consecutive boxes can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, which depends on the functions involved.

[0084] If the functions are implemented in the form of software function modules and sold or used as independent products, they can be stored in a computer readable storage medium. Based on this understanding, the technical solutions of the present application or the parts that essentially contribute to the prior art or the parts of the technical solutions can be embodied in the form of software products. The computer software product is stored in a storage medium and includes a plurality of instructions for causing an electronic device to execute all or part of the steps of the methods described in the embodiments of the present application. The aforementioned storage medium includes a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and various media that can store program codes.

[0085] The above specific embodiments further illustrate the purpose, technical solutions and beneficial effects of the present application. It should be understood that the above description is only for specific embodiments of the present application and does not limit the protection scope of the present application. It is particularly pointed out that any modification, equivalent replacement, improvement, etc. made by those skilled in the art within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A multi-specification voltage powered logic circuit, characterized by, The multi-specification voltage supply logic circuit comprises: a processor, an adapter detection module, a battery module and a battery detection module; The processor comprises a first signal port and a second signal port, the first signal port is connected to the output end of the adapter detection module, and the second signal port is connected to the output end of the battery detection module.

2. The multiple specification voltage powered logic circuit of claim 1, wherein, The adapter detection module comprises a resistor R43, a resistor R44, a resistor R45, a resistor R101 and a transistor Q5.

3. The multiple specification voltage powered logic circuit of claim 2, wherein, The adapter detection module comprises: One end of the resistor R101 is connected to a first power supply, and the other end is grounded. One end of the resistor R43 is connected to a first voltage, and the other end is connected to the resistor R44 and the base of the transistor Q5. One end of the resistor R44 is connected to the resistor R43, and the other end is grounded. The base of the transistor Q5 is connected to the resistor R43, the emitter of the transistor Q5 is grounded, and the collector of the transistor Q5 is connected to the resistor R45 and the first signal port of the processor. One end of the resistor R45 is connected to the collector of the transistor Q5, and the other end is connected to a second power supply.

4. The multiple specification voltage powered logic circuit of claim 1, wherein, The battery detection module comprises a voltage dividing resistor R37, a voltage dividing resistor R38 and a capacitor C66.

5. The multiple specification voltage powered logic circuit of claim 4, wherein, The battery detection module comprises: One end of the resistor R37 is connected to the output end of the battery module, and the other end is connected to the resistor R38 and the second signal port of the processor. One end of the resistor R38 is connected to the resistor R37, and the other end is grounded. One end of the capacitor C66 is connected to the resistor R37, and the other end is grounded.

6. The multiple specification voltage powered logic circuit of claim 1, wherein, The battery module comprises at least two different battery packs.

7. The multiple specification voltage powered logic circuit of claim 6, wherein, The battery module further comprises a fault detection pin connected to the processor.

8. The multiple specification voltage powered logic circuit of claim 1, wherein, The multi-specification voltage supply logic circuit further comprises a display module receiving a display signal of the processor.

9. A circuit protection board, characterized by The circuit protection board comprises the multi-specification voltage supply logic circuit of any one of claims 1-8 and a circuit substrate, and the multi-specification voltage supply logic circuit is integrated on the circuit substrate.

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