CN216530646U - Battery with USB reading information - Google Patents
Battery with USB reading information Download PDFInfo
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- CN216530646U CN216530646U CN202123063372.3U CN202123063372U CN216530646U CN 216530646 U CN216530646 U CN 216530646U CN 202123063372 U CN202123063372 U CN 202123063372U CN 216530646 U CN216530646 U CN 216530646U
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Abstract
The utility model discloses a battery with USB read information, which comprises a battery cell, an MCU module, a USB interface, a voltage reduction module and a power input selection module, wherein the battery cell is connected with the MCU module through a USB interface; the voltage output end of the battery core is connected with the input end of the voltage reduction module, the output end of the voltage reduction module is connected with the input end of the power input selection module, and the output end of the power input selection module is connected with the voltage input end of the MCU module; the voltage connection end of the USB interface is respectively connected with the input end of the power input selection module and the high-power operation activation end of the MCU module, and the data transmission end of the USB interface is connected with the data reading end of the MCU module. The utility model can directly read the battery information through the USB interface under the normal condition and the fault condition of the battery.
Description
Technical Field
The utility model relates to a battery with USB read information.
Background
With the strong support of the country on new energy and the increasing maturity of battery technology, batteries have been widely used in electric cars, electric motorcycles, electric bicycles, solar energy, mobile communication terminal products, energy storage products and other products.
The extensive application of battery will bring the maintenance problem of battery yet, and current battery all need take apart the battery under the circumstances of the power loss of breaking down, just can acquire the internal condition, judges the trouble. Such maintenance undoubtedly requires a considerable time for disassembly and assembly, and disassembly of the battery requires a more specialized person to perform.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a battery with USB read information, which can read the battery information through a USB interface under the normal condition and the fault condition of the battery.
To solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a take USB to read battery of information, its includes electric core and the MCU module that has battery information of storage, its characterized in that: the USB interface, the voltage reduction module and the power input selection module are also included; the voltage output end of the battery core is connected with the input end of the voltage reduction module, the output end of the voltage reduction module is connected with the input end of the power input selection module, and the output end of the power input selection module is connected with the voltage input end of the MCU module; the voltage connection end of the USB interface is respectively connected with the input end of the power input selection module and the high-power operation activation end of the MCU module, and the data transmission end of the USB interface is connected with the data reading end of the MCU module.
Furthermore, the high-power operation activation end of the MCU module is connected with the voltage connection end of the USB interface through the form detection circuit.
One preferred version of the form detection circuit is: the form detection circuit comprises a first resistor and a second resistor which are connected in series, one end of the form detection circuit is connected with a voltage connecting end of the USB interface, the other end of the form detection circuit is grounded, and a high-power operation activating end of the MCU module is connected with a connecting point between the first resistor and the second resistor.
The preferable scheme of the voltage reduction module is as follows: the voltage reduction module is a voltage reduction LDO with a voltage reduction function.
The preferred scheme of the power input selection module is as follows: the power input selection module selects the LDO for the power supply.
Furthermore, a first diode is arranged between the output end of the voltage reduction module and the input end of the power input selection module.
Furthermore, a second diode is arranged between the voltage connecting end of the USB interface and the input end of the power input selection module.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the voltage connecting end of the voltage reduced by the battery core and the voltage of the USB interface is connected with the voltage input end of the MCU module through the power input selection module, so that the MCU module can be supplied with power through the USB interface even when the battery is in failure and power is lost, and a maintainer can read data of the MCU module through the data transmission end of the USB interface at the moment.
The voltage connection end of the USB interface is connected with the high-power operation activation end of the MCU module, so that the MCU module can be activated when the high-power operation activation end of the MCU module is at a high level, the MCU module operates at a high power, and the MCU module operates at a low power when the high-power operation activation end of the MCU module is at a low level. When the USB interface is connected with external equipment, the voltage input end of the voltage connection end of the USB interface enables the high-power operation activation end of the MCU module to be at a high level, and the MCU module operates at a high power, so that data of the MCU module can be read; when the external equipment is pulled out for connection, the high-power operation activation end of the MCU module is at a low level, the MCU module operates under low power, namely, the MCU module is in a low-power consumption state when the external equipment is not connected at ordinary times, and therefore power consumption can be better reduced. Therefore, the power consumption of the circuit cannot be increased by setting the function of reading the MCU module data by the USB interface.
Drawings
FIG. 1 is a schematic diagram of the circuit configuration of the present invention;
fig. 2 is a design circuit diagram at a in fig. 1.
The reference numerals in the drawings mean:
1-input end of step-down LDO; 2-the output end of the step-down LDO; 3-input end of LDO selected by power supply; 4-power selection LDO output; 5-voltage input end of MCU module; 6. 7-a data reading end of the MCU module; 8-voltage connecting end of USB interface; 9-the ground terminal of the USB interface; 10-the junction between the first and second resistors; 11-a voltage output of the cell; u1-step-down LDO; U2-Power selection LDO.
Detailed Description
The utility model is further described below with reference to examples.
The battery with the USB reading information comprises a battery core, an MCU module, a USB interface, a voltage reduction module and a power input selection module. Certainly, the MCU module is further connected to other modules of the battery, and the MCU module stores battery information, where the battery information includes charge/discharge usage information of the battery, and the like. Wherein, step-down module is for having the step-down LDO of step-down function, and the concrete model that this embodiment chose for use is: ME6209a45 PG. The power input selection module selects the LDO for the power, and the specific model that this embodiment chose for use is: ME6208a33 PG. The USB interface of this embodiment is a USB of Type-c standard.
The specific connection is as follows: as shown in fig. 1, a voltage output end 11 of the battery cell is connected to an input end 1 of the step-down LDO, an output end 2 of the step-down LDO is connected to an input end 3 of the power selection LDO, and an output end 4 of the power selection LDO is connected to a voltage input end 5 of the MCU module; the voltage connection end 8 of USB interface is connected with the input 3 that the LDO was selected to the power, the voltage connection end of USB interface is used for being connected with outside power, the high power operation activation end INT of MCU module is connected with the voltage connection end 8 of USB interface through the form detection circuit, the data transmission end DM of USB interface, DP and the data reading end 6 of MCU module, 7 are connected, external equipment passes through the data transmission end DM of USB interface, the data in the MCU module is read to DP, the earthing terminal 9 ground connection of USB interface. The form detection circuit comprises a first resistor R1 and a second resistor R2 which are connected in series, one end of the form detection circuit is connected with a voltage connection end 8 of the USB interface, the other end of the form detection circuit is grounded, and a high-power operation activation end INT of the MCU module is connected with a connection point 10 between the first resistor R1 and the second resistor R2.
The step-down LDO has a function of reducing voltage, and when the step-down LDO is used, the step-down LDO reduces the voltage Vbat of the voltage output end 11 of the battery cell to the voltage Vcc 1. The power selection LDO has a function of selecting a power supply, for example, when the USB interface is connected with an external device, the voltage of the voltage connection end 8 of the USB interface is Vcc; when Vcc > Vcc1, the voltage of voltage connection 8 through USB interface supplies power to power selection LDO, and when Vcc > Vcc1 > Vdd (Vdd is the voltage of output end of power selection LDO), the voltage of voltage connection 8 through USB interface supplies power to MCU module. Of course, when the external device connected with the USB interface is pulled out, the power supply selects the LDO and the MCU module to be powered by the battery cell.
The high-power operation activating end INT of the MCU module is a connecting end for triggering the high-power operation of the MCU module, when the port is at a high level, the MCU module is activated and operates at a high power, and the power at the moment can meet the requirement that external equipment reads data in the MCU module through a USB interface; when the high power operation enable terminal INT is at a low level, the MCU module operates at a low power. That is, when the USB interface is connected with external equipment, because there is voltage input at the voltage connection end 8 of USB interface for the high power operation activation end INT of MCU module is in the high level, when extracting external equipment, the high power operation activation end INT of MCU module resumes the low level, and is visible, and the high power operation activation end INT of MCU module can keep at the low level at ordinary times, and MCU module low power operation, thereby the reduction consumption that can be better.
In this embodiment, a first diode D1 is disposed between the output end 2 of the step-down LDO and the input end 3 of the power selection LDO, and a second diode D2 is disposed between the voltage connection end 8 of the USB interface and the input end 3 of the power selection LDO. Fig. 2 shows a specific design circuit at a in fig. 1, U1 in fig. 2 is a step-down LDO, U2 selects a LDO for a power supply, ground terminals of the step-down LDO and the power supply select LDO are grounded, an input terminal of the step-down module is grounded through a capacitor C1, an output terminal of the step-down module is grounded through a capacitor C2, an input terminal of the power input select module is grounded through a capacitor C3 and a capacitor C4, and an output terminal of the power input select module is grounded through a capacitor C5, a capacitor C6, and a capacitor C7.
The above-described embodiments of the present invention are not intended to limit the scope of the present invention, and the embodiments of the present invention are not limited thereto, and various other modifications, substitutions and alterations can be made to the above-described structure of the present invention without departing from the basic technical concept of the present invention as described above, according to the common technical knowledge and conventional means in the field of the present invention.
Claims (7)
1. The utility model provides a take USB to read battery of information, its includes electric core and the MCU module that has battery information of storage, its characterized in that: the USB interface, the voltage reduction module and the power input selection module are also included; the voltage output end of the battery core is connected with the input end of the voltage reduction module, the output end of the voltage reduction module is connected with the input end of the power input selection module, and the output end of the power input selection module is connected with the voltage input end of the MCU module; and the voltage connecting end of the USB interface is respectively connected with the input end of the power input selection module and the high-power operation activating end of the MCU module, and the data transmission end of the USB interface is connected with the data reading end of the MCU module.
2. The battery with USB reading information according to claim 1, wherein: and the high-power operation activation end of the MCU module is connected with the voltage connection end of the USB interface through a form detection circuit.
3. The battery with USB read information of claim 2, wherein: the form detection circuit comprises a first resistor and a second resistor which are connected in series, one end of the form detection circuit is connected with a voltage connecting end of the USB interface, the other end of the form detection circuit is grounded, and a high-power operation activating end of the MCU module is connected with a connecting point between the first resistor and the second resistor.
4. The battery with USB reading information according to claim 1, wherein: the voltage reduction module is a voltage reduction LDO with a voltage reduction function.
5. The battery with USB read information according to any one of claims 1 to 4, wherein: the power input selection module selects the LDO for the power.
6. The battery with USB reading information according to claim 1, wherein: and a first diode is arranged between the output end of the voltage reduction module and the input end of the power input selection module.
7. The battery with USB read information according to claim 1 or 6, wherein: and a second diode is arranged between the voltage connecting end of the USB interface and the input end of the power input selection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123063372.3U CN216530646U (en) | 2021-12-07 | 2021-12-07 | Battery with USB reading information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123063372.3U CN216530646U (en) | 2021-12-07 | 2021-12-07 | Battery with USB reading information |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216530646U true CN216530646U (en) | 2022-05-13 |
Family
ID=81467758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123063372.3U Active CN216530646U (en) | 2021-12-07 | 2021-12-07 | Battery with USB reading information |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216530646U (en) |
-
2021
- 2021-12-07 CN CN202123063372.3U patent/CN216530646U/en active Active
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