CN220628928U - Charging matching identification management circuit and charging adapter - Google Patents
Charging matching identification management circuit and charging adapter Download PDFInfo
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- CN220628928U CN220628928U CN202322265230.8U CN202322265230U CN220628928U CN 220628928 U CN220628928 U CN 220628928U CN 202322265230 U CN202322265230 U CN 202322265230U CN 220628928 U CN220628928 U CN 220628928U
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- 238000001514 detection method Methods 0.000 claims abstract description 31
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Abstract
The utility model discloses a charging matching identification management circuit and a charging adapter, wherein the charging matching identification management circuit is configured at a rechargeable battery end and comprises an interface circuit, a detection circuit and a control circuit; the interface circuit comprises a power port and a control port; the control port is used for being connected with a control electrode output by the matched charging adapter; the detection circuit is connected with the control port and is used for generating corresponding detection signals according to the identification signals received by the control port; the control circuit comprises a controller and a control switch, the control switch is connected in series in the charging loop, the controller is connected with the control switch and the detection circuit, and the controller is used for controlling the state of the control switch according to the detection signal. Based on the management circuit of above-mentioned structure, can effectively accurate discernment whether present adapter that charges and battery assorted, just charge only when matching to effectively promote the life of battery and ensure the security performance that charges.
Description
Technical Field
The utility model relates to the technical field of charging matching detection, in particular to a charging matching identification management circuit and a charging adapter.
Background
The rechargeable electrical appliance is greatly convenient for the life of people, such as portable electronic equipment like mobile phones and the like and life transportation means like electric bicycles and the like. For such rechargeable electric appliances, it is necessary to charge with a charging adapter frequently. However, even the same kind of products, such as electric bicycles, the battery model number and parameters of the charging pad configured by each manufacturer are different, which requires charging using a matched charging adapter.
In the actual use process, as the charging adapter generally has only a charging power output port, a user considers that the battery can be charged by using the unspecified charging adapter at will as long as the charging interface is connected correctly. Thus, although the charging operation can be performed, if the battery is often damaged, the service life of the battery is affected, and potential safety hazards in the charging process are easily caused.
Thus, the charging circuit can automatically identify whether the current charging adapter is exactly matched with the battery when the user wishes to charge.
Disclosure of Invention
The utility model aims to provide a charging matching identification management circuit and a charging adapter, which can automatically identify whether the charging adapter is accurately matched with the current battery and control charging work according to an identification result.
In order to achieve the above object, the present utility model discloses a charge matching identification management circuit configured at a rechargeable battery terminal, the management circuit including an interface circuit, a detection circuit, and a control circuit;
the interface circuit comprises a power port and a control port;
the power port is used for being connected with a charging positive electrode and a charging negative electrode which are output by the charging adapter, and is also connected with a charging loop which is arranged on the battery end so as to connect charging current into the charging loop;
the control port is used for being connected with a control electrode output by the matched charging adapter;
the detection circuit is connected with the control port and is used for generating corresponding detection signals according to the identification signals received by the control port;
the control circuit comprises a controller and a control switch, the control switch is connected in series in the charging loop, the controller is connected with the control switch and the detection circuit, and the controller is used for controlling the state of the control switch according to the detection signal.
Preferably, the detection circuit comprises a first voltage dividing resistor, one end of the first voltage dividing resistor is connected with the control port, and the other end of the first voltage dividing resistor is grounded; the controller is connected with the first voltage dividing resistor to acquire a voltage signal of the first voltage dividing resistor.
Preferably, the control switch is a transistor switch.
Preferably, the charging adapter further comprises a prompter connected with the controller, wherein the prompter is used for sending out prompt information whether the currently accessed charging adapter is matched with the battery or not.
Preferably, the prompter comprises an audible and visual alarm.
The utility model also discloses a charging adapter, which is matched with the charging matching identification management circuit, wherein the output end of the charging adapter is provided with a charging positive electrode, a charging negative electrode and a control electrode, the control electrode is used for sending out a preset identification signal, and the charging positive electrode and the charging negative electrode are used for outputting a charging power signal.
Preferably, the output end of the charging adapter is further provided with a diode connected in series with the control electrode.
Preferably, the output end of the charging adapter is further provided with a second voltage dividing resistor connected with the control electrode in series.
Compared with the prior art, in the charge matching identification management circuit disclosed by the technical scheme of the utility model, the interface circuit is further provided with a control port on the basis of a conventional power port, an identification signal sent by the charge adapter is received through the control port, a corresponding detection signal is generated on the basis of the detection circuit, when the detection signal meets the requirement, the control switch is closed, the charge circuit is communicated, and otherwise, the charge circuit is disconnected; therefore, based on the management circuit with the structure, whether the current charging adapter is matched with the battery or not can be effectively and accurately identified, and the charging is only carried out when the current charging adapter is matched with the battery, so that the service life of the battery is effectively prolonged, and the charging safety performance is ensured.
Drawings
Fig. 1 is a circuit diagram of a connection between a charging adapter and a battery to be charged in an embodiment of the utility model.
Detailed Description
In order to describe the technical content, the constructional features, the achieved objects and effects of the present utility model in detail, the following description is made in connection with the embodiments and the accompanying drawings.
The embodiment discloses a charging matching identification management circuit, which is configured at a rechargeable battery end and is used for providing an identification for a battery to a charging adapter matched with the rechargeable battery, when the identification is that the accessed charging adapter is matched with the battery, a charging loop is opened to enter a charging working state, otherwise, the charging loop is disconnected, and the battery is prevented from being charged by using a non-designated charging adapter. As shown in fig. 1, the management circuit includes an interface circuit, a detection circuit C, and a control circuit.
The interface circuit includes power ports A1, A2 and a control port A3.
The power port is used for being connected with the charging positive electrode B1 and the charging negative electrode B2 which are output by the charging adapter, namely the power port comprises a positive electrode power port A1 and a negative electrode power port A2 and is used for receiving a charging power signal output by the charging adapter. Therefore, the power ports A1, A2 are also connected to a charging circuit provided on the battery to connect the charging current to the charging circuit.
The control port A3 is used for connecting with a control electrode B3 of the matched charging adapter output.
The detection circuit C is connected to the control port A3, and is configured to generate a corresponding detection signal according to the identification signal received by the control port A3.
The control circuit comprises a controller MCU and a control switch K, the control switch K is connected in series in the charging loop, the controller MCU is connected with the control switch K and a detection circuit C, and the controller MCU is used for controlling the state of the control switch K according to detection signals. Specifically, the control switch K in this embodiment is a transistor switch, such as a triode, a MOS transistor, and the like.
In this embodiment, the control switch K is in a normally open state, and when the controller MCU detects a detection signal meeting the requirements, the state of the control switch K is adjusted to be in a closed state, so that the charging loop is connected, and the battery is in a charging state. On the contrary, when the interface circuit of the battery is empty or connected to the charging adapter but the control port A3 does not receive the proper identification signal, the detection circuit C cannot generate the detection signal meeting the requirement, and then the control switch K is not operated and is maintained in the disconnected state, so that the current battery cannot enter the charging state. Therefore, based on the management circuit with the structure, whether the current charging adapter is matched with the battery or not can be effectively and accurately identified, and charging is only carried out when the current charging adapter is matched with the battery, so that the service life of the battery is effectively prolonged, and the safety performance of charging is ensured.
On the other hand, the detection circuit C includes a first voltage dividing resistor R1, one end of the first voltage dividing resistor R1 is connected to the control port A3, and the other end of the first voltage dividing resistor R1 is grounded. The controller MCU is connected with the first voltage dividing resistor R1 to acquire a voltage signal of the first voltage dividing resistor R1. When a charging adapter matched with a battery is connected to the interface circuit, an identification signal output by the control port A3 is loaded on the first voltage dividing resistor R1 to generate a voltage signal serving as a detection signal.
On the other hand, in order to facilitate the user to know the current charging state, the management circuit in this embodiment further includes a prompter Q connected to the controller MCU, where the prompter Q is configured to send out a prompting message about whether the currently accessed charging adapter is matched with the battery. For example, if the current charging adapter matches the battery, a first prompt is sent, and if not, a second prompt is sent.
Specifically, the prompter Q includes an audible and visual alarm.
Because the conventional charging adapter only can output a charging power signal and does not have a function of outputting a charging identification signal, according to the charging matching identification management circuit configured on the battery, in another preferred embodiment of the present utility model, a charging adapter matched with the management circuit is further disclosed, an output end of the charging adapter is provided with a charging positive electrode B1, a charging negative electrode B2 and a control electrode B3, the control electrode B3 is used for sending out a preset identification signal, and the charging positive electrode B1 and the charging negative electrode B2 are used for outputting the charging power signal.
When the charging adapter in this embodiment is plugged into the interface circuit on the battery to be charged, the charging positive electrode B1 and the charging negative electrode B2 are connected with the power ports A1 and A2, the control electrode B3 is connected with the control port A3, and the charging adapter outputs an identification signal of a preset specification through the control electrode B3. Specifically, the identification signal is a voltage signal of a preset specification.
On the other hand, the output terminal of the charging adapter is further provided with a diode D0 connected in series with the control electrode B3, so that the backflow of current into the charging adapter via the control electrode B3 is prevented.
Furthermore, the output end of the charging adapter is also provided with a second voltage dividing resistor R2 connected in series with the control electrode B3, so that the overlarge voltage loaded on the first voltage dividing resistor R1 is avoided, and the charging safety performance is improved.
The foregoing description of the preferred embodiments of the present utility model is not intended to limit the scope of the claims, which follow, as defined in the claims.
Claims (8)
1. A charging matching identification management circuit configured at a rechargeable battery terminal, characterized in that the management circuit comprises an interface circuit, a detection circuit and a control circuit;
the interface circuit comprises a power port and a control port;
the power port is used for being connected with a charging positive electrode and a charging negative electrode which are output by the charging adapter, and is also connected with a charging loop which is arranged on the battery end so as to connect charging current into the charging loop;
the control port is used for being connected with a control electrode output by the matched charging adapter;
the detection circuit is connected with the control port and is used for generating corresponding detection signals according to the identification signals received by the control port;
the control circuit comprises a controller and a control switch, the control switch is connected in series in the charging loop, the controller is connected with the control switch and the detection circuit, and the controller is used for controlling the state of the control switch according to the detection signal.
2. The charge matching identification management circuit according to claim 1, wherein the detection circuit comprises a first voltage dividing resistor, one end of the first voltage dividing resistor is connected with the control port, and the other end of the first voltage dividing resistor is grounded; the controller is connected with the first voltage dividing resistor to acquire a voltage signal of the first voltage dividing resistor.
3. The charge matching identification management circuit of claim 1, wherein the control switch is a transistor switch.
4. The charge matching identification management circuit of claim 1, further comprising a reminder connected to the controller for sending a reminder of whether a currently accessed charge adapter matches the battery.
5. The charge matching identification management circuit of claim 4, wherein the prompter comprises an audible and visual alarm.
6. The charging adapter is characterized in that the charging adapter is matched with the charging matching identification management circuit according to any one of claims 1 to 5, a charging positive electrode, a charging negative electrode and a control electrode are arranged at the output end of the charging adapter, the control electrode is used for sending out a preset identification signal, and the charging positive electrode and the charging negative electrode are used for outputting a charging power signal.
7. The charging adapter of claim 6, wherein the output of the charging adapter is further provided with a diode connected in series with the control electrode.
8. The charging adapter of claim 6, wherein the output of the charging adapter is further provided with a second voltage divider resistor connected in series with the control electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322265230.8U CN220628928U (en) | 2023-08-22 | 2023-08-22 | Charging matching identification management circuit and charging adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322265230.8U CN220628928U (en) | 2023-08-22 | 2023-08-22 | Charging matching identification management circuit and charging adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220628928U true CN220628928U (en) | 2024-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322265230.8U Active CN220628928U (en) | 2023-08-22 | 2023-08-22 | Charging matching identification management circuit and charging adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220628928U (en) |
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2023
- 2023-08-22 CN CN202322265230.8U patent/CN220628928U/en active Active
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